/* 폰트 불러오기 */
@import url('fonts.css');

/* --- :ROOT VARIABLES --- */
:root {
    --primary: #0066FF;
    --primary-light: #4D94FF;
    --secondary: #00D1FF;
    --accent: #6C5CE7;
    --bg-light: #F8FAFC;
    --text-main: #1E293B;
    --text-muted: #64748B;
    --white: #FFFFFF;
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.4);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
    --glass-blur: blur(16px);
    
    --radius-lg: 32px;
    --radius-md: 20px;
    --radius-sm: 12px;
    
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);

    /* Bottom Action Bar Glow Effects (Default: Purple/Magenta) */
    --glow-color-1: #402fb5;
    --glow-color-2: #FF007F; /* Vibrant Hot Pink */
    --glow-color-3: #18116a;
    --glow-color-4: #A30052; /* Dark Hot Pink */
    --glow-color-5: #a099d8;
    --glow-color-6: #FF80C0; /* Light Hot Pink */
}

/* --- GLOBAL STYLES --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'GmarketSans', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    padding-bottom: 100px;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- GLASS EFFECT --- */
.glass {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.hidden {
    display: none !important;
}

/* --- NAVIGATION --- */
.nav-container {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 40px);
    max-width: 1200px;
    height: 70px;
    z-index: 1000;
    border-radius: 20px;
    display: flex;
    align-items: center;
    padding: 0 30px;
}

.nav-content {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-main);
    transition: var(--transition);
    position: relative;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--primary);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

.cta-button {
    background: var(--primary);
    color: var(--white);
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 102, 255, 0.4);
    background: var(--primary-light);
}

/* --- HERO SECTION --- */
.hero-section {
    position: relative;
    padding: 180px 0 100px;
    min-height: 85vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-container {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 2;
    gap: 360px; /* 3x of 120px */
    max-width: 1600px; /* Expanded container for wider layout */
    margin: 0 auto;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(180deg, #ffffff 0%, #f0f7ff 100%);
}

.glow-sphere {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    z-index: -1;
    animation: float-sphere 20s infinite alternate;
}

.sphere-1 {
    width: 400px;
    height: 400px;
    background: rgba(0, 102, 255, 0.1);
    top: -100px;
    right: -100px;
}

.sphere-2 {
    width: 300px;
    height: 300px;
    background: rgba(108, 92, 231, 0.05);
    bottom: -50px;
    left: -50px;
    animation-delay: -5s;
}

@keyframes float-sphere {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 100px); }
}

.hero-content {
    flex: 1;
    max-width: 850px; /* Widened for single line text */
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(0, 102, 255, 0.1);
    color: var(--primary);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--text-main);
}

.hero-title span {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    max-width: 480px;
}

.floating-3d {
    width: 100%;
    animation: floating 6s ease-in-out infinite;
}

@keyframes floating {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-30px); }
}

@keyframes hero-glow-pulse {
    0%, 100% { filter: drop-shadow(0 0 15px rgba(0, 102, 255, 0.2)); }
    50% { filter: drop-shadow(0 0 35px rgba(0, 102, 255, 0.5)); }
}

.floating-3d {
    width: 100%;
    height: auto;
    aspect-ratio: 1 / 1;
    object-fit: contain;
    animation: floating 6s ease-in-out infinite, hero-glow-pulse 3s ease-in-out infinite;
}

/* --- CALCULATOR SECTION --- */
.main-calculator-wrapper {
    padding: 100px 0;
    background: #ffffff;
    position: relative;
}

.main-calculator-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(0, 102, 255, 0.02) 0%, transparent 70%);
    pointer-events: none;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.section-main-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.3;
}

.section-main-title span {
    color: var(--primary);
}

.calculator-grid {
    display: flex;
    gap: 30px;
    margin-bottom: 50px;
}

.calculator-card {
    border-radius: var(--radius-lg);
    padding: 50px 30px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    flex: 1;
    min-width: 0;
}

.calculator-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.9);
    border-color: var(--primary-light);
}

.card-num {
    position: absolute;
    top: -20px;
    right: -10px;
    font-size: 8rem;
    font-weight: 900;
    color: rgba(0, 102, 255, 0.03);
    z-index: 0;
}

.card-body {
    position: relative;
    z-index: 1;
}

.card-title {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.calculator-card .card-title {
    color: var(--primary);
}

.card-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 30px;
}

/* Telecom Buttons */
.telecom-options {
    display: grid;
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
    gap: 15px;
}

.telecom-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 10px;
    padding: 15px 30px;
    height: 110px;
    background: var(--white);
    border: 1px solid #E2E8F0;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    font-weight: 700;
    font-size: 1.25rem;
    position: relative;
    overflow: hidden;
    z-index: 1;
    /* Neumorphism Shadow */
    box-shadow: 6px 6px 12px rgba(0, 0, 0, 0.05), 
                -6px -6px 12px rgba(255, 255, 255, 0.8);
}

.telecom-btn::before,
.speed-btn::before,
.tv-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    opacity: 0;
    transform: scale(0.9) translate(-10%, -10%);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
    border-radius: inherit;
}

.telecom-btn:hover,
.speed-btn:hover,
.tv-btn:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 10px 10px 20px rgba(0, 0, 0, 0.08), 
                -10px -10px 20px rgba(255, 255, 255, 0.9);
    color: var(--white);
}

.telecom-btn:hover::before,
.speed-btn:hover::before,
.tv-btn:hover::before,
.telecom-btn.active::before,
.speed-btn.active::before,
.tv-btn.active::before {
    opacity: 1;
    transform: scale(1) translate(0, 0);
}

.telecom-btn.active,
.speed-btn.active,
.tv-btn.active {
    color: var(--white);
    border-color: transparent;
    box-shadow: inset 4px 4px 8px rgba(0, 0, 0, 0.15),
                6px 6px 15px rgba(0, 102, 255, 0.2);
}

.btn-icon {
    display: none; /* Hidden until icons are provided to ensure text centering */
    width: 36px;
    height: 36px;
    background-size: contain;
    background-repeat: no-repeat;
    transition: var(--transition);
}

.telecom-btn:hover .btn-icon,
.telecom-btn.active .btn-icon {
    filter: brightness(0) invert(1);
}

.btn-icon.sk { background-image: url('images/favicon/sk.png'); }
.btn-icon.kt { background-image: url('images/favicon/kt.png'); }
.btn-icon.lgu { background-image: url('images/favicon/lg.png'); }

/* Speed Buttons */
.speed-options {
    display: grid;
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
    gap: 15px;
}

.speed-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    gap: 5px;
    padding: 15px 30px;
    height: 110px;
    background: var(--white);
    border: 1px solid #E2E8F0;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    z-index: 1;
    box-shadow: 6px 6px 12px rgba(0, 0, 0, 0.05), 
                -6px -6px 12px rgba(255, 255, 255, 0.8);
}

.speed-btn.active {
    box-shadow: inset 4px 4px 8px rgba(0, 0, 0, 0.15),
                6px 6px 15px rgba(0, 102, 255, 0.2);
}

.speed-val {
    font-size: 1.5rem;
    font-weight: 800;
}

.speed-label {
    font-size: 0.95rem;
    opacity: 0.7;
}

/* TV Options */
.tv-options {
    display: grid;
    grid-template-columns: 1fr;
    grid-auto-rows: 1fr;
    gap: 15px;
}

.tv-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 5px;
    padding: 15px 30px;
    height: 110px;
    background: var(--white);
    border: 1px solid #E2E8F0;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    font-size: 1.15rem;
    position: relative;
    overflow: hidden;
    z-index: 1;
    box-shadow: 6px 6px 12px rgba(0, 0, 0, 0.05), 
                -6px -6px 12px rgba(255, 255, 255, 0.8);
}

.tv-btn.active {
    box-shadow: inset 4px 4px 8px rgba(0, 0, 0, 0.15),
                6px 6px 15px rgba(0, 102, 255, 0.2);
}

/* --- SUMMARY CARD --- */
.summary-card {
    max-width: 1200px;
    margin: 40px auto 0;
    border-radius: var(--radius-lg);
    padding: 60px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

.summary-header {
    text-align: center;
}

.summary-title {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 10px;
    line-height: 1.3;
}

.summary-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 25px;
    white-space: pre-line;
}

.summary-3d-icon {
    width: 200px;
    height: 200px;
    aspect-ratio: 1 / 1;
    object-fit: contain;
    animation: floating 5s ease-in-out infinite;
}

.summary-content {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    font-size: 1rem;
}

.row-label { color: var(--text-muted); }
.row-value { font-weight: 700; }
.row-value.discount { color: #F87171; }

.summary-divider {
    height: 1px;
    background: rgba(0, 0, 0, 0.05);
    margin: 10px 0;
}

.summary-row.total {
    font-size: 1.3rem;
}

.row-value.highlight {
    font-size: 1.8rem;
    color: var(--primary);
}

.cashback-badge {
    background: linear-gradient(135deg, var(--accent), var(--primary));
    color: var(--white);
    padding: 12px;
    border-radius: var(--radius-sm);
    text-align: center;
    font-weight: 800;
    margin-top: 10px;
}

.summary-cta {
    grid-column: 1 / -1;
    background: var(--primary);
    color: var(--white);
    border: none;
    padding: 18px;
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    font-weight: 800;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 20px;
}

.summary-cta:hover {
    transform: scale(1.02);
    box-shadow: 0 15px 30px rgba(0, 102, 255, 0.3);
}

.summary-disclaimer {
    grid-column: 1 / -1;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 15px;
}

@media (max-width: 992px) {
    .hero-section {
        padding: 120px 0 60px;
        min-height: auto;
    }
    .hero-container {
        flex-direction: column-reverse;
        gap: 30px;
    }
    .hero-title { font-size: 2.4rem; }
    .hero-image {
        display: flex;
        justify-content: center;
        width: 100%;
        max-width: 320px;
        margin: 0 auto;
    }
    .hero-content { max-width: 100%; text-align: center; }
    .hero-stats { justify-content: center; flex-wrap: wrap; gap: 20px; }
    .calculator-card { padding: 30px; }
    .summary-card { grid-template-columns: 1fr; padding: 30px; }
}
/* --- CENTRALIZED COMPACT FACT SECTION --- */
.fact-final {
    padding: 50px 0 !important;
    background: #fdfdfe !important;
}

.fact-final .container {
    max-width: 1200px !important; 
}

.fact-row-force {
    display: flex !important;
    flex-wrap: wrap !important;
    margin: 0 -15px !important;
    justify-content: center !important;
}

.fact-col-force {
    flex: 0 0 50% !important;
    max-width: 50% !important;
    padding: 0 15px !important;
    width: 50% !important;
}

.fact-card-restored {
    background: transparent !important;
    padding: 15px !important;
    min-height: 160px;
}

.fact-content-split {
    display: grid !important;
    grid-template-columns: 1fr 1.3fr !important;
    gap: 15px !important;
    align-items: center !important;
}

.fact-icon-blue {
    width: 55px !important;
    height: 55px !important;
    background: #eef4ff !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 1.6rem !important;
    color: #3b82f6 !important;
    margin-bottom: 10px !important;
}

.fact-text-main h3 {
    font-size: 2.3rem !important;
    font-weight: 800 !important;
    margin: 0 !important;
    color: #1e293b !important;
    line-height: 1 !important;
}

.fact-text-main p {
    font-size: 0.9rem !important;
    color: #64748b !important;
    margin: 5px 0 !important;
    font-weight: 600 !important;
}

.fact-date-text {
    font-size: 0.8rem !important;
    color: #94a3b8 !important;
}

.list-part marquee {
    height: 140px !important;
}

.m-item {
    display: flex !important;
    justify-content: flex-start !important;
    gap: 10px !important;
    padding: 5px 0 !important;
    border-bottom: 1px solid rgba(0,0,0,0.03) !important;
    font-size: 0.9rem !important;
    color: #475569 !important;
    line-height: 1.4 !important;
}

.m-status { color: #0ea5e9 !important; font-weight: 700 !important; min-width: 60px !important; }
.m-name { min-width: 40px !important; }
.m-provider { color: #94a3b8 !important; }
.m-highlight { color: #06b6d4 !important; font-weight: 800 !important; }

@media (max-width: 991px) {
    .fact-col-force {
        flex: 0 0 100% !important;
        max-width: 100% !important;
        width: 100% !important;
        margin-bottom: 25px;
    }
    .fact-content-split {
        grid-template-columns: 1fr !important;
        text-align: center;
    }
    .stats-part {
        display: flex;
        flex-direction: column;
        align-items: center;
        margin-bottom: 15px;
    }
    .fact-text-main h3 { font-size: 2.1rem !important; }
}

marquee div {
    padding: 10px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.fact-right marquee div {
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

marquee b {
    color: var(--primary);
}

/* --- REVIEW SECTION --- */
.review-section {
    padding: 120px 0;
    background: #ffffff;
    position: relative;
}

.review-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(0, 102, 255, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.review-slider-outer {
    position: relative;
    max-width: 1600px;
    margin: 60px auto 0;
    padding: 0 70px;
}

.review-title-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 70px;
    text-align: left;
}

.review-title-container .section-title {
    margin: 0;
    font-size: 2rem;
    text-align: left; /* 제목을 왼쪽으로 정렬 */
}

.review-slider-container {
    overflow: hidden;
    width: 100%;
}

.review-cards-wrapper {
    display: flex;
    gap: 30px;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.review-card {
    flex: 0 0 calc((100% - 60px) / 3); /* 3개씩 나오게 설정 */
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--white);
    border: 1px solid #E2E8F0;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.review-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
    border-color: var(--primary);
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-main);
    transition: all 0.3s ease;
}

.slider-arrow:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    box-shadow: 0 10px 20px rgba(0, 102, 255, 0.2);
}

.slider-arrow.prev { left: 10px; }
.slider-arrow.next { right: 10px; }

.card-image-wrapper {
    height: 250px;
    overflow: hidden;
}

.card-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.review-card:hover .card-image-wrapper img {
    transform: scale(1.1);
}

.review-card .card-content {
    padding: 30px;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 15px;
    color: var(--text-main);
}

.card-title strong {
    color: var(--primary);
}

.review-text {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.8;
}

@media (max-width: 1024px) {
    .review-card { flex: 0 0 calc((100% - 30px) / 2); } /* 태블릿에선 2개 */
}

@media (max-width: 768px) {
    .review-slider-outer, .review-title-container { padding: 0 40px; }
    .review-card { flex: 0 0 100%; } /* 모바일에선 1개 */
    .slider-arrow { width: 45px; height: 45px; }
}

/* --- FAQ SECTION --- */
.faq-section {
    padding: 120px 0;
    background: linear-gradient(180deg, #ffffff 0%, #f1f7ff 100%);
    border-top: 1px solid rgba(0, 102, 255, 0.05);
}

.faq-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 70px;
}

.faq-section .section-title {
    text-align: left; /* Aligned to the left matching the layout */
    margin-bottom: 50px;
    font-size: 2rem;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 1000px; /* FAQ list itself shouldn't be too wide for readability */
}


.faq-item {
    background: var(--white);
    border-radius: var(--radius-sm);
    border: 1px solid #E2E8F0;
    overflow: hidden;
    transition: var(--transition);
}

.faq-question {
    padding: 24px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 700;
    font-size: 1.15rem;
}

.faq-question:hover {
    background: rgba(0, 102, 255, 0.02);
}

.faq-answer {
    padding: 0 32px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-muted);
    line-height: 1.8;
    font-size: 1rem;
}

.faq-item.open .faq-answer {
    padding: 24px 32px 32px;
    max-height: 500px;
    border-top: 1px solid #E2E8F0;
}

.faq-question .arrow {
    transition: transform 0.3s;
    font-size: 1rem;
    color: var(--primary);
}

.faq-item.open .arrow {
    transform: rotate(180deg);
}


/* --- FOOTER --- */
footer {
    padding: 80px 0;
    background: #0f172a;
    color: rgba(255, 255, 255, 0.5);
    text-align: center;
}

footer .logo {
    color: var(--white);
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 24px;
    display: block;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

footer p {
    font-size: 0.9rem;
    margin-bottom: 10px;
}

/* --- RESPONSIVE --- */
@media (max-width: 992px) {
    .fact .row.counters { grid-template-columns: 1fr; }
    .hero-title { font-size: 2.8rem; }
}

@media (max-width: 768px) {
    .hero-title { font-size: 2.2rem; }
    .hero-subtitle { font-size: 1rem; }
    .nav-links { display: none; }
    .sticky-action-bar { 
        width: calc(100% - 40px); 
        gap: 10px;
    }
    .action-button { 
        flex: 1; 
        padding: 14px; 
        font-size: 0.9rem; 
        justify-content: center;
        gap: 6px;
    }
    .calculator-grid { flex-direction: column; }
    .summary-card { padding: 30px; }
}

.tv-option-box .tv-package-name {
    font-size: 1.2em;
    font-weight: 700; margin-bottom: 5px; line-height: 1.2;
    transition: color var(--transition-speed);
    color: var(--text-color-dark);
    width: 100%;
}
.tv-option-box .channel-count {
    font-size: 0.75em;
    font-weight: 300;
    color: var(--text-color-light);
    transition: color var(--transition-speed); margin-bottom: 8px;
    width: 100%;
    line-height: 1.3;
}


.telecom-option-box:hover:not(.selected-option),
.speed-option-box:hover:not(.selected-option),
.tv-option-box:hover:not(.selected-option) {
    transform: translateY(1px);
    background-color: var(--background-color-dark);
    box-shadow: inset 3px 3px 6px var(--neumo-shadow-on-dark-bg-darker),
                inset -3px -3px 6px var(--neumo-shadow-on-dark-bg-lighter),
                -2px -5px  40px rgba(255, 217, 0, 0.479), /* 따뜻한 골드 글로우 */
                5px 2px 40px rgba(255, 166, 0, 0.445); /* 보조 오렌지 글로우 */
}

.telecom-option-box:active:not(.selected-option),
.speed-option-box:active:not(.selected-option),
.tv-option-box:active:not(.selected-option) {
    transform: translateY(2px); /* 더 깊이 눌린 효과 */
    background-color: var(--background-color-dark);
    box-shadow: inset 6px 6px 12px var(--neumo-shadow-on-dark-bg-darker),
                inset -6px -6px 12px var(--neumo-shadow-on-dark-bg-lighter);
}

.telecom-option-box.selected-option,
.speed-option-box.selected-option,
.tv-option-box.selected-option {
    background-color: var(--text-color-dark); /* 어두운 텍스트 색상을 배경으로 */
    box-shadow: inset 5px 5px 10px rgba(0, 0, 0, 0.2),
                inset -5px -5px 10px rgba(255, 255, 255, 0.3),
                0 0 15px rgba(255, 215, 0, 0.5); /* 선택 시 글로우 효과 */
    transform: translateY(1px);
}

.telecom-option-box.selected-option .fas,
.telecom-option-box.selected-option .fab,
.telecom-options-container .telecom-option-box.selected-option span {
    color: var(--background-color-dark); /* 아이보리 배경 색상을 텍스트로 */
    font-weight: 800; /* 더 굵게 */
}

/* A 박스는 B, C 박스와 동일한 색상 사용 (통신사별 브랜드 색상 제거) */
.speed-option-box.selected-option .speed-value {
    color: var(--background-color-dark); /* 아이보리 배경 색상을 텍스트로 */
    font-size: 2.6em;
    font-weight: 800; /* 더 굵게 */
}
.speed-option-box.selected-option .speed-unit {
    color: var(--background-color-dark); /* 아이보리 배경 색상을 텍스트로 */
    opacity: 0.9;
    font-weight: 600; /* 더 굵게 */
}
.tv-option-box.selected-option .tv-package-name,
.tv-option-box.selected-option .channel-count {
    color: var(--background-color-dark); /* 아이보리 배경 색상을 텍스트로 */
    font-weight: 800; /* 더 굵게 */
}


.dynamic-summary-message-style { color: rgb(51, 51, 51); font-size: 1.0em; font-weight: 500; line-height: 1.6; margin-top: -10px; margin-bottom: 25px; text-align: center; white-space: pre-line; padding: 0 15px; max-width: 90%; }
.summary-details { width: 100%; max-width: 500px; margin: 0 auto; text-align: center; }
.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    width: 100%;
    font-size: 1.1em;
    margin-bottom: 12px;
    flex-wrap: nowrap;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    padding-bottom: 8px;
    text-align: left;
}
.summary-row:last-child { border-bottom: none; padding-bottom: 0; }
.summary-row .label {
    font-weight: 500;
    color: rgba(54, 54, 54, 0.8);
    text-align: left;
    margin-bottom: 0;
    margin-right: 10px;
    flex-shrink: 0;
}
.summary-row .value {
    font-weight: 700;
    font-size: 1.25em;
    color: rgb(70, 70, 70);
    text-align: right;
    margin-left: auto;
    flex-shrink: 0;
}
.summary-row .unit {
    font-size: 0.9em;
    color: rgb(41, 41, 41);
    font-weight: 500;
    opacity: 0.9;
    margin-left: 3px;
    flex-shrink: 0;
}
.summary-row.highlight-total {
    margin-top: 15px;
    margin-bottom: 12px;
    padding-top: 15px;
    font-size: 1.3em;
    background: var(--background-color-light); /* 밝은 아이보리 배경 */
    border-radius: 8px; 
    padding: 12px 10px;
    transform: scale(1.02);
    border-bottom: none;
    box-shadow: 3px 3px 8px var(--neumo-shadow-dark),
                -3px -3px 8px var(--neumo-shadow-light); /* 뉴모피즘 효과 */
}
.summary-row.highlight-total .label { font-size: 1.1em; color: var(--text-color-dark); font-weight: 600; text-align: left;}
.summary-row.highlight-total .value.red-text { font-size: 1.5em; color: #ff0000; text-align: right;}

.cashback-info-summary {
    display: block !important; /* 강제로 블록 요소로 설정 */
    text-align: center;
    margin-top: 15px;
    padding: 15px; /* 패딩 증가 */
    background: var(--background-color-dark); /* 아이보리 배경 */
    border-radius: 6px;
    color: var(--text-color-dark);
    font-size: 1.8em; /* 2배 크기 (0.9em → 1.8em) */
    font-weight: 500;
    box-shadow: 2px 2px 6px var(--neumo-shadow-on-dark-bg-darker),
                -2px -2px 6px var(--neumo-shadow-on-dark-bg-lighter);
    width: 100%; /* 전체 너비 사용 */
    box-sizing: border-box;
}
.cashback-info-summary .value { 
    color: #ff0000; /* 빨간색 */
    font-weight: 700; 
    font-size: 2.2em; /* 반으로 줄임 (4.4em → 2.2em) */
}
.summary-disclaimer { margin-top: 25px; font-size: 0.8em; line-height: 1.5; color: rgba(0, 0, 0, 0.6); text-align: center;}

/*******************************/
/********** Fact CSS ***********/
/*******************************/
.fact {
    position: relative;
    width: 100%;
    padding: 20px 0;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out, filter 0.8s ease-out; /* filter 추가 */
    background-color: transparent;
}
.fact.visible {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0); /* visible 시 블러 제거 */
}

.fact .container-fluid {
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
    max-width: 1140px;
}

.fact .row.counters {
    display: flex;
    flex-wrap: wrap;
    margin-right: -15px;
    margin-left: -15px;
}

.fact .fact-left,
.fact .fact-right {
    position: relative;
    flex: 1;
    min-width: 300px; /* Minimum width to prevent too much squishing */
    padding: 30px 20px;
    border-radius: var(--radius-md);
    margin: 10px;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

.fact .fact-left {
    color: var(--text-color-dark);
    background: var(--background-color-dark); /* 아이보리 배경 */
    box-shadow: 5px 5px 10px var(--neumo-shadow-on-dark-bg-darker),
                -5px -5px 10px var(--neumo-shadow-on-dark-bg-lighter);
}
.fact .fact-right {
    color: var(--text-color-dark);
    background: var(--background-color-dark); /* 아이보리 배경 */
    box-shadow: 5px 5px 10px var(--neumo-shadow-on-dark-bg-darker),
                -5px -5px 10px var(--neumo-shadow-on-dark-bg-lighter);
}

@media (min-width: 768px) {
    .fact .fact-left,
    .fact .fact-right {
        height: 160px;
    }
}

.fact .row.counters {
    display: flex;
    justify-content: center;
    gap: 0;
}

.fact .fact-left > .row,
.fact .fact-right > .row {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    margin-right: -10px;
    margin-left: -10px;
}

.fact .fact-left > .row > .col-6,
.fact .fact-right > .row > .col-6 {
    position: relative;
    width: 100%;
    padding-left: 10px;
    padding-right: 10px;
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
}

.fact .fact-left > .row > .col-6:last-child,
.fact .fact-right > .row > .col-6:last-child {
    display: block;
}

@media (min-width: 576px) {
    .fact .fact-left > .row > .col-6,
    .fact .fact-right > .row > .col-6 {
        flex: 0 0 50%;
        max-width: 50%;
        margin-bottom: 0;
    }
}

.fact .fact-icon {
    position: relative;
    margin-right: 15px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.fact .fact-icon i {
    font-size: 35px;
    line-height: 1;
}
.fact .fact-left .fact-icon i { 
    color: var(--text-color-dark); /* 텍스트와 동일한 색상 */
    animation: location-blink 2s ease-in-out infinite;
    display: inline-block;
    transform-origin: center;
}
.fact .fact-right .fact-icon i { 
    color: var(--text-color-dark); /* 텍스트와 동일한 색상 */
    animation: users-bounce 2s ease-in-out infinite;
    display: inline-block;
    transform-origin: center;
}

/* 실시간 상담 아이콘 애니메이션 - 위치 마커가 깜빡이는 효과 */
@keyframes location-blink {
    0%, 100% { 
        transform: scale(1);
        opacity: 1;
    }
    50% { 
        transform: scale(1.2);
        opacity: 0.7;
    }
}

/* 실시간 현금 지급 아이콘 애니메이션 - 사람들이 움직이는 효과 */
@keyframes users-bounce {
    0%, 100% { 
        transform: translateY(0px) scale(1);
    }
    25% { 
        transform: translateY(-3px) scale(1.05);
    }
    50% { 
        transform: translateY(0px) scale(1);
    }
    75% { 
        transform: translateY(-2px) scale(1.02);
    }
}

/* 호버 시 애니메이션 일시정지 및 강화 효과 */
.fact .fact-left:hover .fact-icon i,
.fact .fact-right:hover .fact-icon i {
    animation-play-state: paused;
    transform: scale(1.3);
    filter: drop-shadow(0 0 8px rgba(0, 0, 0, 0.3));
    transition: all 0.3s ease;
}

.fact .fact-text h3 {
    font-family: 'GmarketSans', sans-serif;
    font-weight: 700;
    font-size: 30px;
    margin-bottom: 5px;
    line-height: 1.1;
}
.fact .fact-text p {
    font-family: 'GmarketSans', sans-serif;
    font-weight: 300;
    margin: 0;
    font-size: 14px;
    text-transform: none;
    line-height: 1.2;
}
.fact .fact-left .fact-text h3, .fact .fact-left .fact-text p { color: var(--text-color-dark); }
.fact .fact-right .fact-text h3, .fact .fact-right .fact-text p { color: var(--text-color-dark); }

.fact input[type="date"] {
    padding: 5px;
    border-radius: 4px;
    font-family: 'GmarketSans', sans-serif;
    font-weight: 300;
    font-size: 13px;
    margin-top: 5px;
    width: 150px;
    max-width: 100%;
    display: block;
}
.fact .fact-left input[type="date"] {
    background-color: var(--background-color-light);
    border: 1px solid var(--neumo-shadow-dark);
    color: var(--text-color-dark);
}
.fact .fact-left input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
}

.fact marquee {
    font-family: 'GmarketSans', sans-serif;
    font-weight: 300;
    line-height: 1.6;
    font-size: 14px;
    height: 80px;
    width: 100%;
    display: block;
    overflow: hidden;
    box-sizing: border-box;
}

.fact marquee > div {
    padding-bottom: 2px;
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.fact .fact-left marquee { color: var(--text-color-dark); }
.fact .fact-right marquee { color: var(--text-color-dark); }
.fact marquee b {
    font-family: 'GmarketSans', sans-serif;
    font-weight: 500;
}

@media (min-width: 992px) {
    .fact {
        padding: 15px 0;
    }
    .fact .fact-left,
    .fact .fact-right {
        padding-top: 20px;
        padding-bottom: 20px;
        display: flex;
        align-items: center;
        min-height: 120px;
        height: 150px;
    }
    .fact .fact-left > .row,
    .fact .fact-right > .row {
        width: 100%;
        align-items: center;
    }

    .fact .fact-left > .row > .col-6,
    .fact .fact-right > .row > .col-6 {
       align-items: center;
    }

    .fact .fact-icon {
        width: 40px; height: 40px; margin-right: 10px;
    }
    .fact .fact-icon i { font-size: 30px;}

    .fact .fact-text h3 { font-size: 24px; }
    .fact .fact-text p { font-size: 13px; }
    .fact input[type="date"] {
        font-size: 12px; padding: 3px 5px; width: auto; max-width: 120px;
        margin-top: 3px;
    }

    .fact marquee {
        min-height: 70px;
        font-size: 13px;
    }
}


/* MEDIA QUERIES (기존 계산기, FAQ 등 나머지 섹션 스타일) */

@media (max-width: 599px) {
    :root {
        --action-bar-height: 50px;
    }
    :root { --sticky-footer-height: 170px; }

    body { padding-bottom: calc(170px + 50px); }

    .page-section, .main-calculator-wrapper { padding-top: 30px; padding-bottom: 30px; }
    .calculator-title { font-size: 1.8em; margin-bottom: 30px; }
    .page-header-intro .intro-title { font-size: 1.8em; margin-bottom: 30px; }
    .benefit-grid { grid-template-columns: 1fr; gap: 20px; padding: 0 10px; }
    .benefit-item {
        /* 모바일에서 benefit-item에 공통 애니메이션 초기 상태 적용 */
        opacity: 0;
        transform: translateY(30px); /* 기본 아래에서 시작 */
        filter: blur(5px);
        transition: opacity 0.6s ease-out, transform 0.6s ease-out, filter 0.6s ease-out;
    }
    .benefit-item.visible { /* 모바일에서도 visible 클래스 적용 시 애니메이션 */
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
    /* 모바일에서 좌우 이동 애니메이션은 빼고, 그냥 위에서 아래로 나타나는 효과만 적용 */
    .benefit-item:nth-child(1), .benefit-item:nth-child(2), .benefit-item:nth-child(3), .benefit-item:nth-child(4) {
        transform: translateY(30px); /* 기본값으로 재설정 */
    }

    .benefit-item .benefit-icon { font-size: 2.2em; }
    .benefit-item .title { font-size: 1.15em; }
    .benefit-item .description { font-size: 0.9em; }

    .card { padding: 40px 15px 30px 15px; }
    #telecomCard h2, #speedCard h2, #tvBundleCard h2 { font-size: 1.3em; margin-bottom: 20px;}
    /* A, B, C 박스의 이니셜 크기 조정 */
    #telecomCard .card-initial-wrapper .card-initial,
    #speedCard .card-initial-wrapper .card-initial,
    #tvBundleCard .card-initial-wrapper .card-initial { font-size: 3.2em; top: -15px; left: 15px;}

    #finalSummarySection.card.input-card { padding: 40px 20px 30px 20px; }
    .summary-card-style .card-content h2 { font-size: 1.2em; margin-bottom: 20px;}
    .dynamic-summary-message-style { font-size: 0.9em; margin-bottom: 20px;}
    .summary-row { font-size: 1em; margin-bottom: 10px; padding-bottom: 8px;}
    .summary-row .label { min-width: auto; margin-right: 5px; }
    .summary-row .value { font-size: 1.1em; }
    .summary-row .unit { font-size: 0.85em; }
    .summary-row.highlight-total { font-size: 1.15em; padding: 10px; margin-top:12px; margin-bottom:10px; }
    .summary-row.highlight-total .label {font-size: 1em;}
    .summary-row.highlight-total .value.red-text {font-size: 1.3em;}
    .cashback-info-summary { 
        font-size: 1.4em; /* 모바일에서도 2배 크기 */
        padding: 12px; 
        margin-top: 12px;
    }
    .cashback-info-summary .value {
        font-size: 1.6em; /* 모바일에서도 반으로 줄임 (3.2em → 1.6em) */
    }
    .summary-disclaimer {font-size: 0.75em; margin-top: 20px;}


    .telecom-options-container, .speed-options-container, .tv-options-container { gap: 10px; }
    .telecom-option-box, .speed-option-box, .tv-option-box {
        width: calc(50% - 5px);
        max-width: none;
        height: 100px;
        padding: 8px;
    }
    .telecom-options-container .telecom-option-box span { font-size: 1.8em; }
    .speed-option-box .speed-value { font-size: 1.8em; }
    .speed-option-box .speed-unit { font-size: 0.9em; }
    .tv-option-box .tv-package-name { font-size: 1.0em; margin-bottom: 3px; }
    .tv-option-box .channel-count { font-size: 0.7em; margin-bottom: 5px;}
    #telecomCard .icon-wrapper, #speedCard .icon-wrapper, #tvBundleCard .icon-wrapper {
        padding: 8px;
        border-radius: 12px;
    }
    
    #telecomCard .house-gif, #speedCard .speed-gif, #tvBundleCard .tv-gif { 
        width: 60px; 
        height: 60px;
        /* 골드 색상 필터 적용 */
        filter: hue-rotate(45deg) saturate(1.5) brightness(1.2) contrast(1.1);
    }

    .comparison-section .section-title, .faq-section .section-title, .calculator-title { font-size: 1.8em; margin-bottom: 30px; }
    .comparison-cards-wrapper, .faq-list { gap: 15px; padding-left:10px; padding-right:10px;}
    .comparison-card { padding: 30px 20px;}
    .comparison-card .card-header {font-size: 1.3em;}
    .comparison-card .card-header .initial {font-size: 1.8em;}
    .comparison-card .card-body p, .comparison-card .card-body li {font-size: 0.9em;}

    .faq-item { padding: 20px; }
    .faq-item .faq-question { font-size: 1.05em; }
    .faq-item .faq-answer { font-size: 0.95em; margin-top: 15px; padding-top:15px; }

    .result-area-wrapper { padding: 8px 10px; }
    .result-item { font-size: 0.85em; }
    .result-item.highlight-total { font-size: 1.1em; }
    .result-item.highlight-total .result-value.red-text {font-size: 1.2em;}
    .cashback-info {font-size: 0.6em;}
    .disclaimer-text {font-size: 0.65em;}
}

@media (min-width: 600px) and (max-width: 991px) {
    :root { --sticky-footer-height: 175px; }

    .page-section, .main-calculator-wrapper { padding-top: 50px; padding-bottom: 50px; }
    .main-calculator-wrapper, .comparison-section, .faq-section { padding-left: 15px; padding-right: 15px;}

    .card h2 { font-size: 1.3em; }
    /* A, B, C 박스의 이니셜 크기 조정 */
    .card-initial { font-size: 4em; }

    #telecomCard, #speedCard, #tvBundleCard { padding: 50px 25px 35px 25px; }
    #telecomCard h2, #speedCard h2, #tvBundleCard h2 { font-size: 1.45em; margin-bottom: 22px; }
    #telecomCard .card-initial-wrapper .card-initial,
    #speedCard .card-initial-wrapper .card-initial,
    #tvBundleCard .card-initial-wrapper .card-initial { font-size: 3.8em; top: -18px; left: 18px; }

    .telecom-options-container, .speed-options-container, .tv-options-container { gap: 12px; }
    .telecom-option-box, .speed-option-box, .tv-option-box {
        width: calc(33.33% - 8px);
        max-width: 140px;
        height: 115px;
        padding: 8px;
    }

    .telecom-option-box .fas, .telecom-option-box .fab { font-size: 2.1em; }
    .telecom-options-container .telecom-option-box span { font-size: 2.0em; }

    .speed-option-box .speed-value { font-size: 2.0em; }
    .speed-option-box .speed-unit { font-size: 0.85em; }
    .tv-option-box .tv-package-name { font-size: 1.1em; margin-bottom: 4px;}
    .tv-option-box .channel-count { font-size: 0.75em; margin-bottom: 6px;}


    .page-header-intro .intro-title { font-size: 2.2em; margin-bottom: 45px; }
    .benefit-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 25px; padding: 0 15px;}
    .benefit-item {
        /* 태블릿/모바일 뷰에서 benefit-item 애니메이션 조정 */
        opacity: 0;
        transform: translateY(30px); /* 기본 아래에서 시작 */
        filter: blur(5px);
        transition: opacity 0.6s ease-out, transform 0.6s ease-out, filter 0.6s ease-out;
    }
    .benefit-item.visible {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
    /* 모바일에서 좌우 이동 애니메이션은 빼고, 그냥 위에서 아래로 나타나는 효과만 적용 */
    .benefit-item:nth-child(1), .benefit-item:nth-child(2), .benefit-item:nth-child(3), .benefit-item:nth-child(4) {
        transform: translateY(30px); /* 기본값으로 재설정 */
    }

    .benefit-item { padding: 18px; }
    .benefit-item .title { font-size: 1.25em; }
    .benefit-item .description { font-size: 0.95em; }
    .comparison-section .section-title, .faq-section .section-title, .calculator-title { font-size: 2.0em; margin-bottom: 40px;}
    .comparison-cards-wrapper, .faq-list { gap: 25px; }
    .comparison-card { padding: 35px 25px; }
    .comparison-card .card-header { font-size: 1.5em; }
    .comparison-card .card-body li { font-size: 0.95em; }

    .faq-item { padding: 25px 30px; }
    .faq-item .faq-question { font-size: 1.1em; }
    .faq-item .faq-answer { font-size: 1.0em; }
}

@media (min-width: 992px) {
    :root { --sticky-footer-height: 180px; }

    .page-section, .main-calculator-wrapper { padding-top: 70px; padding-bottom: 70px; }
    .main-calculator-wrapper, .comparison-section, .faq-section { max-width: none; padding-left: 0; padding-right: 0; }
    .page-header-intro { max-width: 1200px; margin-left: auto; margin-right: auto; padding-left: 20px; padding-right: 20px; }
    .main-calculator-wrapper .input-area-wrapper { max-width: 800px; padding-left: 20px; padding-right: 20px;}
    .comparison-section .comparison-cards-wrapper { max-width: 1100px; margin-left: auto; margin-right: auto; padding-left: 20px; padding-right: 20px;}
    .faq-section .faq-list { max-width: 900px; margin-left: auto; margin-right: auto; padding-left: 20px; padding-right: 20px;}


    #telecomCard, #speedCard, #tvBundleCard { padding: 60px 30px 40px 30px; margin-bottom: 50px; }

    .telecom-option-box .fas, .telecom-option-box .fab { font-size: 2.5em; }
    .telecom-options-container .telecom-option-box span { font-size: 2.2em; }

    .speed-option-box .speed-value { font-size: 2.3em; }
    .speed-option-box .speed-unit { font-size: 1.0em; }
    .tv-option-box .tv-package-name { font-size: 1.3em; }
    .tv-option-box .channel-count { font-size: 0.85em; font-weight: 300; }

    .page-header-intro .intro-title { font-size: 2.8em; margin-bottom: 60px; }
    .benefit-grid { gap: 30px; }
    .benefit-item {
        /* PC 화면에서 benefit-item 애니메이션 조정 */
        opacity: 0;
        transform: translateX(0) translateY(30px); /* 기본값 */
        filter: blur(5px);
        transition: opacity 0.6s ease-out, transform 0.6s ease-out, filter 0.6s ease-out;
    }
    .benefit-item:nth-child(1),
    .benefit-item:nth-child(3) { /* 왼쪽 박스 */
        transform: translateX(-50px);
    }
    .benefit-item:nth-child(2),
    .benefit-item:nth-child(4) { /* 오른쪽 박스 */
        transform: translateX(50px);
    }
    .benefit-item.visible {
        opacity: 1;
        transform: translateX(0) translateY(0);
        filter: blur(0);
    }

    .benefit-item .title { font-size: 1.3em; }
    .benefit-item .description { font-size: 1.0em; }
    .comparison-section .section-title, .faq-section .section-title, .calculator-title { font-size: 2.3em; margin-bottom: 50px; }
    .comparison-cards-wrapper, .faq-list { gap: 25px; }
    .comparison-card { padding: 40px 30px; }
    .comparison-card .card-header { font-size: 1.6em; }
    .comparison-card .card-body li { font-size: 1.0em; }

    .faq-item { padding: 25px 30px; }
    .faq-item .faq-question { font-size: 1.15em; }
    .faq-item .faq-answer { font-size: 1.05em; }

    .telecom-options-container, .speed-options-container, .tv-options-container { gap: 20px; }
    .telecom-option-box, .speed-option-box { width: 150px; height: 130px; flex: 0 0 150px; }
    .tv-option-box { width: calc(50% - 10px); max-width: 180px; height: 130px; flex: 0 0 auto; }
}

/* ===== START: 하단 고정 액션바 스타일 (Full Width Bar with Summary) ===== */
.sticky-action-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0; /* Add right: 0 for full centering */
    width: 100%;
    z-index: 2000;
    background: rgba(255, 255, 255, 0.5); /* 50% transparency glassmorphism */
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.15);
    padding: 20px 0;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    justify-content: center; /* Ensure horizontal centering of inner container */
}

.bar-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.sticky-summary-info {
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding-bottom: 15px;
    animation: slideUp 0.4s ease-out;
}

.summary-items {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 12px;
}

.summary-item {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.summary-item .value {
    color: var(--text-main);
    font-weight: 700;
    margin-left: 5px;
}

.summary-item.highlight .value {
    color: var(--primary);
    font-size: 1.2rem;
}

.summary-item.highlight-cashback .value {
    color: #ff4d4d; /* Reddish color for emphasis */
    font-size: 1.2rem;
}

.bar-disclaimer {
    font-size: 0.75rem;
    color: var(--text-muted);
    opacity: 0.8;
    text-align: center;
}

.action-buttons-wrapper {
    display: flex;
    justify-content: center;
    gap: 36px; /* 3배 더 넓은 간격 (12px * 3 = 36px) */
}

.action-button {
    flex: 1;
    max-width: 350px;
    min-width: 220px;
    height: 55px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-weight: 800;
    font-size: 1.1rem;
    border-radius: 12px;
    transition: var(--transition);
    position: relative;
    z-index: 1;
    background: transparent !important;
    border: none !important;
    overflow: visible !important;
}

/* 6개의 개별 글로잉 레이어 정의 (React 원본 소스 코드의 스타일 완벽 이식 - 검정색을 흰색으로 변경) */
.glowing-border-layer {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    z-index: -2;
    overflow: hidden;
    pointer-events: none;
}

.glowing-border-layer::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(0deg);
    background-repeat: no-repeat;
    transition: transform 2s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

/* Layer 1: blur-[3px], max-h-[70px], max-w-[314px], conic-gradient(#fff,var(--glow-color-1)_5%,#fff_38%,#fff_50%,var(--glow-color-2)_60%,#fff_87%), duration-2000, rotate-60 */
.glowing-border-layer.layer-1 {
    width: calc(100% + 5px);
    height: calc(100% + 5px);
    border-radius: 14px;
    filter: blur(3px);
}
.glowing-border-layer.layer-1::before {
    width: 999px;
    height: 999px;
    transform: translate(-50%, -50%) rotate(60deg);
    background: conic-gradient(#fff, var(--glow-color-1) 5%, #fff 38%, #fff 50%, var(--glow-color-2) 60%, #fff 87%);
}
.action-button:hover .glowing-border-layer.layer-1::before {
    transform: translate(-50%, -50%) rotate(-120deg);
}

/* Layer 2, 3, 4: blur-[3px], max-h-[65px], max-w-[312px], conic-gradient(rgba(255,255,255,0),var(--glow-color-3),rgba(255,255,255,0)_10%,rgba(255,255,255,0)_50%,var(--glow-color-4),rgba(255,255,255,0)_60%), duration-2000, rotate-[82deg] */
.glowing-border-layer.layer-2,
.glowing-border-layer.layer-3,
.glowing-border-layer.layer-4 {
    width: calc(100% + 4px);
    height: calc(100% + 4px);
    border-radius: 14px;
    filter: blur(3px);
}
.glowing-border-layer.layer-2::before,
.glowing-border-layer.layer-3::before,
.glowing-border-layer.layer-4::before {
    width: 600px;
    height: 600px;
    transform: translate(-50%, -50%) rotate(82deg);
    background: conic-gradient(rgba(255, 255, 255, 0), var(--glow-color-3), rgba(255, 255, 255, 0) 10%, rgba(255, 255, 255, 0) 50%, var(--glow-color-4), rgba(255, 255, 255, 0) 60%);
}
.action-button:hover .glowing-border-layer.layer-2::before,
.action-button:hover .glowing-border-layer.layer-3::before,
.action-button:hover .glowing-border-layer.layer-4::before {
    transform: translate(-50%, -50%) rotate(-98deg);
}

/* Layer 5: blur-[2px], max-h-[63px], max-w-[307px], conic-gradient(rgba(255,255,255,0)_0%,var(--glow-color-5),rgba(255,255,255,0)_8%,rgba(255,255,255,0)_50%,var(--glow-color-6),rgba(255,255,255,0)_58%), duration-2000, rotate-[83deg], brightness-140 */
.glowing-border-layer.layer-5 {
    width: calc(100% + 2.5px);
    height: calc(100% + 2.5px);
    border-radius: 13px;
    filter: blur(2px);
}
.glowing-border-layer.layer-5::before {
    width: 600px;
    height: 600px;
    transform: translate(-50%, -50%) rotate(83deg);
    background: conic-gradient(rgba(255, 255, 255, 0) 0%, var(--glow-color-5), rgba(255, 255, 255, 0) 8%, rgba(255, 255, 255, 0) 50%, var(--glow-color-6), rgba(255, 255, 255, 0) 58%);
    filter: brightness(1.4);
}
.action-button:hover .glowing-border-layer.layer-5::before {
    transform: translate(-50%, -50%) rotate(-97deg);
}

/* Layer 6: blur-[0.5px], max-h-[59px], max-w-[303px], conic-gradient(#fff,var(--glow-color-1)_5%,#fff_14%,#fff_50%,var(--glow-color-2)_60%,#fff_64%), duration-2000, rotate-70, brightness-130 */
.glowing-border-layer.layer-6 {
    width: calc(100% + 1px);
    height: calc(100% + 1px);
    border-radius: 12.5px;
    filter: blur(0.5px);
}
.glowing-border-layer.layer-6::before {
    width: 600px;
    height: 600px;
    transform: translate(-50%, -50%) rotate(70deg);
    background: conic-gradient(#fff, var(--glow-color-1) 5%, #fff 14%, #fff 50%, var(--glow-color-2) 60%, #fff 64%);
    filter: brightness(1.3);
}
.action-button:hover .glowing-border-layer.layer-6::before {
    transform: translate(-50%, -50%) rotate(-110deg);
}

/* --- TELECOM THEME GLOW EFFECTS OVERRIDES --- */
.sticky-action-bar.sk-theme {
    --glow-color-1: #FF6E00; /* SK Orange */
    --glow-color-2: #FFAE00;
    --glow-color-3: #B34E00;
    --glow-color-4: #B37D00;
    --glow-color-5: #FFB780;
    --glow-color-6: #FFE580;
}

.sticky-action-bar.kt-theme {
    --glow-color-1: #EA002C; /* KT Red */
    --glow-color-2: #FF4D6A;
    --glow-color-3: #9E001B;
    --glow-color-4: #9E1A30;
    --glow-color-5: #FF99A8;
    --glow-color-6: #FFA6B5;
}

.sticky-action-bar.lgu-theme {
    --glow-color-1: #E6007E; /* LG U+ Magenta/Pink */
    --glow-color-2: #FF5CB3;
    --glow-color-3: #9E0056;
    --glow-color-4: #85309E;
    --glow-color-5: #FF99D1;
    --glow-color-6: #E9B3FF;
}

/* 100% 불투명 백그라운드 바디 레이어 */
.action-button::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 12px;
    background: rgba(255, 255, 255, 1.0) !important;
    z-index: -1;
    border: 1px solid rgba(255, 255, 255, 0.4);
    transition: var(--transition);
}

.action-button:hover::after {
    background: rgba(255, 255, 255, 1.0) !important;
}

/* 버튼 내부 텍스트 콘텐츠 레이어 */
.action-button .button-content {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    height: 100%;
}

.action-button.call-button {
    color: #0066FF !important; /* 원래 배경색인 블루계열(var(--primary)) 적용 */
}

.action-button.kakao-button {
    color: #E69A08 !important; /* 원래 배경색인 카카오 옐로우(가독성 극대화된 골드옐로우) 적용 */
}

.action-button:hover {
    transform: translateY(-5px);
}

.action-button i {
    font-size: 1.3rem;
}

/* Continuous Animations */
.action-button.call-button i {
    animation: ring-shake 1.5s infinite;
}

.action-button.kakao-button i {
    animation: bounce-small 1.5s infinite;
}

@keyframes ring-shake {
    0%, 100% { transform: rotate(0); }
    10%, 30%, 50% { transform: rotate(15deg); }
    20%, 40%, 60% { transform: rotate(-15deg); }
    70% { transform: rotate(0); }
}

@keyframes bounce-small {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    .summary-items {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    .summary-item.highlight {
        margin-top: 5px;
        border-top: 1px dashed #eee;
        padding-top: 5px;
        width: 100%;
    }
}
/* ===== END: 하단 고정 액션바 스타일 ===== */





.calculator-1 {
    font-size: 2.2em;
    font-weight: 700;
    margin-bottom: 40px;
    letter-spacing: 0.05em;

    /* 그라데이션 배경 설정 */
    background: linear-gradient(to right, #b18200, #333, #b18200); /* 파랑 -> 핑크 -> 파랑 */
    
    /* 배경 크기를 2배로 늘려 애니메이션 공간 확보 */
    background-size: 200% auto;
  
    /* 배경을 텍스트 모양으로 잘라냄 */
    -webkit-background-clip: text;
    background-clip: text;
  
    /* 텍스트 색상을 투명하게 만들어 배경이 보이게 함 */
    color: transparent;
    -webkit-text-fill-color: transparent;
  
    /* 애니메이션 적용 */
    animation: text-gradient-animation 3s linear infinite;
  }



/* Fix CSS Nesting Error */
@media (max-width: 599px) {
    .calculator-1 { font-size: 1.8em; margin-bottom: 30px; }
}
@media (min-width: 600px) and (max-width: 991px) {
    .calculator-1 { font-size: 2.0em; margin-bottom: 40px;}
}
@media (min-width: 992px) {
    .calculator-1 { font-size: 2.3em; margin-bottom: 50px; }
}

/* --- SCROLL REVEAL ANIMATIONS --- */
.scroll-reveal {
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
    will-change: transform, opacity;
}

.scroll-reveal.visible {
    opacity: 1;
    transform: translate(0, 0) scale(1) !important;
}

/* Directions */
.reveal-up { transform: translateY(50px); }
.reveal-down { transform: translateY(-50px); }
.reveal-left { transform: translateX(-50px); }
.reveal-right { transform: translateX(50px); }
.reveal-zoom { transform: scale(0.8); }

/* Bounce Effect */
.reveal-bounce {
    transform: translateY(50px);
}
.reveal-bounce.visible {
    animation: bounceReveal 1s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

@keyframes bounceReveal {
    0% { opacity: 0; transform: translateY(50px); }
    50% { transform: translateY(-10px); }
    70% { transform: translateY(5px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* Staggered Delays */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }
.delay-500 { transition-delay: 0.5s; }

/* Pulse Effect */
@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0, 102, 255, 0.15); }
    70% { transform: scale(1.01); box-shadow: 0 0 0 15px rgba(0, 102, 255, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0, 102, 255, 0); }
}
.pulse {
    animation: pulse 2s infinite !important;
}


/* --- SERVICE PAGES STYLES --- */
.service-hero {
    padding: 160px 0 80px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.service-hero .container {
    position: relative;
    z-index: 2;
}

.service-badge {
    display: inline-block;
    padding: 8px 20px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.2);
}

.service-title {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1.3;
    margin-bottom: 20px;
}

.service-title span {
    color: var(--primary);
}

.service-main-content {
    padding: 60px 0;
    background: #ffffff;
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 50px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.03);
    margin-bottom: 40px;
}

.service-table-wrapper {
    overflow-x: auto;
    margin: 30px 0;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
}

.service-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

.service-table th {
    background: #f8fafc;
    padding: 20px 15px;
    font-weight: 800;
    color: var(--text-main);
    border-bottom: 2px solid #edf2f7;
    text-align: center;
}

.service-table td {
    padding: 18px 15px;
    border-bottom: 1px solid #f1f5f9;
    text-align: center;
    color: var(--text-muted);
    font-weight: 500;
}

.service-table tr:hover td {
    background: #fdfdfd;
    color: var(--primary);
}

.service-table .highlight {
    color: var(--primary);
    font-weight: 800;
}

.service-note-box {
    background: #f8fafc;
    border-left: 4px solid var(--primary);
    padding: 25px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: 30px 0;
}

.service-note-box h4 {
    color: var(--text-main);
    margin-bottom: 10px;
    font-weight: 800;
}

.service-note-box ul {
    list-style: disc;
    margin-left: 20px;
    color: var(--text-muted);
}

.service-note-box li {
    margin-bottom: 8px;
}

@media (max-width: 768px) {
    .service-hero { padding: 120px 0 60px; }
    .service-title { font-size: 1.8rem; }
    .service-card { padding: 25px; }
    .service-table th, .service-table td { padding: 12px 8px; font-size: 0.85rem; }
}

/* ==========================================
   Premium Glassmorphic Table Styling (SEO)
   ========================================== */
.table-section {
    padding: 60px 0;
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.table-section .section-subtitle {
    font-size: 1.8em;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 30px;
    text-align: center;
    position: relative;
    padding-bottom: 12px;
}

.table-section .section-subtitle::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 2px;
}

.comparison-table {
    width: 100%;
    max-width: 1000px;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 24px;
    padding: 30px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.05);
    overflow-x: auto;
    margin: 0 auto;
}

.comparison-table table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 12px; /* Spacing between rows for 3D card effect */
    text-align: center;
    color: var(--text-main);
}

.comparison-table th {
    font-size: 1rem;
    font-weight: 800;
    padding: 15px;
    color: var(--text-muted);
    border-bottom: 2px solid rgba(0, 0, 0, 0.03);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.comparison-table tbody tr {
    transition: var(--transition);
    background: var(--white);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
}

.comparison-table tbody tr:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 25px rgba(0, 102, 255, 0.12);
}

.comparison-table td {
    padding: 18px 15px;
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    vertical-align: middle;
}

/* Border radius for separated row cells */
.comparison-table tbody tr td:first-child {
    border-top-left-radius: 16px;
    border-bottom-left-radius: 16px;
    font-weight: 800;
    color: var(--text-main);
}

.comparison-table tbody tr td:last-child {
    border-top-right-radius: 16px;
    border-bottom-right-radius: 16px;
}

/* Accent highlight styles */
.comparison-table .highlight-amount {
    color: var(--primary);
    font-weight: 800;
}

.comparison-table tbody tr.highlight-row {
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.02) 0%, rgba(0, 209, 255, 0.02) 100%);
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.05);
}

.comparison-table tbody tr.highlight-row td {
    border-top: 1px solid rgba(0, 102, 255, 0.1);
    border-bottom: 1px solid rgba(0, 102, 255, 0.1);
}

.comparison-table tbody tr.highlight-row td:first-child {
    border-left: 1px solid rgba(0, 102, 255, 0.1);
}

.comparison-table tbody tr.highlight-row td:last-child {
    border-right: 1px solid rgba(0, 102, 255, 0.1);
}

/* Responsive design adjustments */
@media (max-width: 768px) {
    .table-section {
        padding: 40px 15px;
    }
    
    .table-section .section-subtitle {
        font-size: 1.4em;
    }
    
    .comparison-table {
        padding: 15px;
        border-radius: 18px;
    }
    
    .comparison-table td, .comparison-table th {
        padding: 12px 10px;
        font-size: 0.85rem;
    }
}

/* ==========================================
   Premium SEO Content and Q&A Section Styling
   ========================================== */
.detailed-content-section {
    padding: 80px 0;
    background-color: var(--bg-light);
}
.detailed-content-box {
    background: var(--white);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: var(--radius-lg);
    padding: 50px;
    max-width: 1000px;
    margin: 0 auto;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.03);
    backdrop-filter: var(--glass-blur);
}
.detailed-content-box h2 {
    font-size: 1.8rem;
    color: var(--text-main);
    margin-bottom: 25px;
    border-left: 5px solid var(--primary);
    padding-left: 15px;
    line-height: 1.3;
}
.detailed-content-box h3 {
    font-size: 1.3rem;
    color: var(--primary);
    margin: 40px 0 20px 0;
    line-height: 1.4;
}
.detailed-content-box p {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 25px;
}
.detailed-content-box table {
    width: 100%;
    border-collapse: collapse;
    margin: 30px 0;
    box-shadow: 0 4px 15px rgba(0,0,0,0.02);
    border-radius: var(--radius-sm);
    overflow: hidden;
}
.detailed-content-box th, .detailed-content-box td {
    padding: 15px 20px;
    text-align: center;
    border-bottom: 1px solid #e2e8f0;
}
.detailed-content-box th {
    background-color: #f1f5f9;
    color: var(--text-main);
    font-weight: 700;
}
.detailed-content-box td {
    background-color: #ffffff;
    color: var(--text-muted);
}
.detailed-content-box tr:last-child td {
    border-bottom: none;
}
.qna-block {
    background: var(--bg-light);
    border-radius: var(--radius-md);
    padding: 25px;
    margin-top: 20px;
    border: 1px solid rgba(0, 0, 0, 0.05);
}
.qna-question {
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 10px;
    font-size: 1.1rem;
}
.qna-answer {
    color: var(--text-main);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .detailed-content-section {
        padding: 40px 0;
    }
    .detailed-content-box {
        padding: 25px 20px;
        border-radius: var(--radius-md);
    }
    .detailed-content-box h2 {
        font-size: 1.3rem;
        line-height: 1.4;
        margin-bottom: 15px;
    }
    .detailed-content-box h3 {
        font-size: 1.1rem;
        margin: 30px 0 15px 0;
    }
    .detailed-content-box p {
        font-size: 0.95rem;
    }
    .detailed-content-box th, .detailed-content-box td {
        padding: 10px 8px;
        font-size: 0.8rem;
    }
    .qna-block {
        padding: 15px;
        border-radius: var(--radius-sm);
    }
    .qna-question {
        font-size: 0.95rem;
    }
    .qna-answer {
        font-size: 0.85rem;
    }
}

/* ==========================================
   Responsive Promo Banners Section (SEO)
   ========================================== */
.promo-banners-section {
    padding: 80px 0;
    background: #ffffff;
    position: relative;
    border-top: 1px solid rgba(0, 102, 255, 0.05);
}

.promo-banners-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.promo-banner-card {
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid #E2E8F0;
    transition: var(--transition);
    background: var(--white);
    display: flex;
    justify-content: center;
    align-items: center;
}

.promo-banner-card img {
    width: 100%;
    height: auto;
    display: block;
    max-width: 100%;
    transition: var(--transition);
}

.promo-banner-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 102, 255, 0.1);
    border-color: var(--primary);
}

.promo-banner-card:hover img {
    transform: scale(1.02);
}

@media (max-width: 768px) {
    .promo-banners-section {
        padding: 50px 0;
    }
    .promo-banners-container {
        gap: 25px;
        padding: 0 20px;
    }
    .promo-banner-card {
        border-radius: var(--radius-md);
    }
}

/* ==========================================
   Station Navigation & Vertical Remote Control System (Limelight)
   ========================================== */
:root {
    --carrier-primary: #0066FF;
    --carrier-primary-rgb: 0, 102, 255;
}

/* Desktop Vertical Remote Control */
@media (min-width: 1300px) {
    .station-remote-container {
        position: fixed;
        right: 20px;
        top: 50%;
        transform: translateY(-50%);
        background: rgba(255, 255, 255, 0.85);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border: 1px solid rgba(255, 255, 255, 0.6);
        border-radius: 24px;
        padding: 16px 12px;
        box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
        z-index: 90; /* lowered to sit behind sticky header button overlap */
        display: flex;
        flex-direction: column;
        gap: 8px;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        width: 200px; /* 늘어난 너비: 아이콘 + 텍스트가 잘리지 않게 조절 */
        box-sizing: border-box;
    }

    .station-remote-container ul {
        list-style: none !important;
        padding: 0 !important;
        margin: 0 !important;
        display: flex;
        flex-direction: column;
        gap: 6px;
        position: relative;
    }

    .station-remote-item {
        position: relative;
        z-index: 20;
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 10px 14px;
        border-radius: 14px;
        cursor: pointer;
        transition: all 0.3s ease;
        box-sizing: border-box;
    }

    .station-remote-item i {
        font-size: 1.25rem;
        color: var(--text-muted);
        opacity: 0.5;
        width: 24px;
        text-align: center;
        transition: all 0.3s ease;
    }

    .station-remote-item .remote-label {
        font-size: 0.85rem;
        font-weight: 700;
        color: var(--text-muted);
        opacity: 0.6;
        transition: all 0.3s ease;
        white-space: nowrap;
    }

    /* Hover & Active States */
    .station-remote-item:hover i, .station-remote-item.active i {
        opacity: 1;
        color: var(--carrier-primary);
        transform: scale(1.1);
    }

    .station-remote-item:hover .remote-label, .station-remote-item.active .remote-label {
        opacity: 1;
        color: var(--carrier-primary);
    }

    /* Limelight Indicator - Left Side */
    .remote-limelight {
        position: absolute;
        left: -4px;
        width: 4px;
        height: 24px;
        background: var(--carrier-primary);
        border-radius: 99px;
        box-shadow: 0 0 15px var(--carrier-primary);
        z-index: 15;
        transition: top 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        pointer-events: none;
    }

    /* Spotlight beam projecting to the right */
    .remote-limelight-beam {
        position: absolute;
        left: 4px;
        top: -12px;
        height: 48px;
        width: 176px; /* 늘어난 너비에 맞춰 빔 영역도 확장 */
        background: linear-gradient(to right, rgba(var(--carrier-primary-rgb), 0.2), transparent);
        clip-path: polygon(0% 20%, 100% 0%, 100% 100%, 0% 80%);
        pointer-events: none;
        transition: opacity 0.3s ease;
    }

    .mobile-station-fab {
        display: none !important;
    }

    /* Height-based responsive Scaling to prevent screen overflow */
    @media (max-height: 850px) {
        .station-remote-container {
            width: 185px; /* 늘어난 너비: 텍스트 잘림 방지 */
            padding: 12px 10px;
            gap: 6px;
        }
        .station-remote-item {
            gap: 10px;
            padding: 8px 10px;
            border-radius: 10px;
        }
        .station-remote-item i {
            font-size: 1.1rem;
            width: 20px;
        }
        .station-remote-item .remote-label {
            font-size: 0.8rem;
        }
        .remote-limelight {
            height: 20px;
        }
        .remote-limelight-beam {
            height: 40px;
            top: -10px;
            width: 165px; /* 늘어난 너비에 맞게 조절 */
        }
    }

    @media (max-height: 700px) {
        .station-remote-container {
            width: 170px; /* 늘어난 너비: 텍스트 잘림 방지 */
            padding: 10px 6px;
            gap: 4px;
        }
        .station-remote-item {
            gap: 8px;
            padding: 6px 8px;
            border-radius: 8px;
        }
        .station-remote-item i {
            font-size: 0.95rem;
            width: 18px;
        }
        .station-remote-item .remote-label {
            font-size: 0.75rem;
        }
        .remote-limelight {
            height: 16px;
        }
        .remote-limelight-beam {
            height: 32px;
            top: -8px;
            width: 158px; /* 늘어난 너비에 맞게 조절 */
        }
    }
}

@media (max-width: 1299px) {
    .station-remote-container {
        display: none !important;
    }
}

/* Mobile Floating Navigation Button */
.mobile-station-fab {
    position: fixed;
    bottom: 100px;
    right: 20px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--carrier-primary), #1e293b);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px rgba(var(--carrier-primary-rgb), 0.4);
    cursor: pointer;
    z-index: 999;
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.mobile-station-fab:hover {
    transform: scale(1.1) translateY(-3px);
}

.mobile-station-fab i {
    font-size: 1.4rem;
}

/* Mobile Drawer Overlay */
.mobile-station-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1001;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.mobile-station-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* Mobile Station Drawer */
.mobile-station-drawer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 30px 30px 0 0;
    z-index: 1002;
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 -15px 40px rgba(0, 0, 0, 0.15);
    padding: 30px 24px;
    max-height: 75vh;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
}

.mobile-station-drawer.active {
    transform: translateY(0);
}

.mobile-drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.mobile-drawer-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
}

.mobile-drawer-header h3 i {
    color: var(--carrier-primary);
}

.mobile-drawer-close {
    background: #f1f5f9;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-main);
    font-weight: bold;
    transition: all 0.2s ease;
}

.mobile-drawer-close:hover {
    background: #e2e8f0;
}

.mobile-drawer-content {
    overflow-y: auto;
    flex: 1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding-bottom: 20px;
}

.mobile-drawer-item {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 14px;
    text-align: center;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-main);
    transition: all 0.2s ease;
    cursor: pointer;
}

.mobile-drawer-item:hover, .mobile-drawer-item.active {
    background: rgba(var(--carrier-primary-rgb), 0.08);
    border-color: var(--carrier-primary);
    color: var(--carrier-primary);
}

/* Station Highlight Animation */
@keyframes heading-flash {
    0% {
        background-color: rgba(var(--carrier-primary-rgb), 0.25);
        box-shadow: 0 0 0 10px rgba(var(--carrier-primary-rgb), 0.25);
        padding-left: 25px;
    }
    100% {
        background-color: transparent;
        box-shadow: 0 0 0 0 transparent;
    }
}

.station-highlight {
    animation: heading-flash 1.6s cubic-bezier(0.25, 1, 0.5, 1) forwards;
    border-radius: 8px;
}

/* 인터넷 신청 / 변경 리모컨 & 모바일 서랍 아이템 강조 스타일 */
.station-remote-item[data-station-id="station-application"] {
    background: var(--carrier-primary) !important;
    box-shadow: 0 4px 12px rgba(var(--carrier-primary-rgb), 0.3);
}
.station-remote-item[data-station-id="station-application"] i,
.station-remote-item[data-station-id="station-application"] .remote-label {
    color: #ffffff !important;
    opacity: 1 !important;
}
.station-remote-item[data-station-id="station-application"]:hover {
    filter: brightness(1.1) !important;
}

.mobile-drawer-item[data-target-id="station-application"] {
    background: var(--carrier-primary) !important;
    color: #ffffff !important;
    border-color: var(--carrier-primary) !important;
    box-shadow: 0 4px 12px rgba(var(--carrier-primary-rgb), 0.2);
}
.mobile-drawer-item[data-target-id="station-application"]:hover,
.mobile-drawer-item[data-target-id="station-application"].active {
    filter: brightness(1.1) !important;
    color: #ffffff !important;
}

/* 전문가 안심 분석 카운셀링 Glass Card */
.counseling-glass-card {
    background: rgba(255, 255, 255, 0.45);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: var(--radius-md);
    padding: 30px;
    margin: 30px 0 50px;
    box-shadow: 
        0 15px 35px rgba(0, 0, 0, 0.04),
        inset 0 2px 3px rgba(255, 255, 255, 0.8),
        inset 0 -2px 3px rgba(0, 0, 0, 0.05);
    text-align: left;
    transition: var(--transition);
}

.counseling-glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.08),
        inset 0 2px 3px rgba(255, 255, 255, 0.9),
        inset 0 -2px 3px rgba(0, 0, 0, 0.04);
}

.counseling-title {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.counseling-content {
    color: #1e293b; /* Dark slate text to ensure high contrast against the light-ish background */
    font-size: 0.98rem;
    line-height: 1.8;
}

.counseling-content ul {
    list-style: none !important;
    padding-left: 0 !important;
    margin: 0 !important;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.counseling-content li {
    position: relative;
    padding-left: 24px !important;
    color: #334155 !important;
}

.counseling-content li::before {
    content: '•';
    position: absolute;
    left: 8px;
    color: currentColor;
    font-size: 1.2rem;
    top: -2px;
}

.counseling-content li strong {
    font-weight: 700;
    color: #1e293b !important;
}

.counseling-content p {
    color: #334155 !important;
    margin-bottom: 15px;
}

.counseling-content p strong {
    color: #1e293b !important;
}