@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+KR:wght@400;700&family=Noto+Sans+Sinhala:wght@400;700&family=Inter:wght@300;400;600&display=swap');

:root {
    --color-ink-navy: #FFFFF0;
    --color-hanji: #1E3A8A;
    --color-dancheong-red: #0B1E4A;
    --color-obangsaek-gold: #2563EB;
    --color-celadon-green: #1E40AF;

    --font-heading: 'Noto Serif KR', 'Noto Sans Sinhala', serif;
    --font-body: 'Inter', 'Noto Sans Sinhala', sans-serif;
    
    --hanji-texture: url('data:image/svg+xml;utf8,<svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"><filter id="noiseFilter"><feTurbulence type="fractalNoise" baseFrequency="0.85" numOctaves="3" stitchTiles="stitch"/></filter><rect width="100%" height="100%" filter="url(%23noiseFilter)" opacity="0.05"/></svg>');
}

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

body {
    font-family: var(--font-body);
    background-color: #FFFFF0;
    color: var(--color-hanji);
    overflow-x: hidden;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
}

/* Hanji Texture Layer */
.texture-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: var(--hanji-texture);
    pointer-events: none;
    z-index: 9999;
    opacity: 0.8;
}

/* Typography & Accent Text */
.hangul-watermark {
    position: absolute;
    font-family: var(--font-heading);
    font-size: 15rem;
    color: rgba(30, 58, 138, 0.05); /* Faint dark blue */
    z-index: -1;
    top: -50px;
    left: -50px;
    user-select: none;
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: center;
    background: transparent;
    z-index: 1000;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    background: transparent;
    border-radius: 40px;
    padding: 0;
}

.right-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
    justify-content: flex-end;
    flex: 1;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
    flex: 1;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
}

.logo-text-wrapper {
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    color: var(--color-hanji);
    font-weight: 700;
    letter-spacing: -0.5px;
    line-height: 1;
    transition: color 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.logo-text-highlight {
    color: var(--color-dancheong-red);
    font-style: italic;
}

.logo-subtitle {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--color-hanji);
    margin-top: 0.2rem;
    opacity: 0.9;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.taegeuk-mark {
    width: 26px;
    height: 26px;
    background: linear-gradient(180deg, var(--color-dancheong-red) 50%, #FFFFF0 50%);
    border-radius: 50%;
    flex-shrink: 0;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-capsule {
    background: #FFFFF0;
    padding: 0.7rem 2.5rem;
    border-radius: 40px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    overflow: hidden;
    max-width: 1000px;
    opacity: 1;
    margin: 0;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    white-space: nowrap;
}

/* Scrolled overrides */
header.scrolled {
    padding: 1rem 5%;
}

header.scrolled .header-inner {
    background: #FFFFF0;
    max-width: 480px;
    padding: 0.5rem 0.5rem 0.5rem 1.5rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    gap: 1rem;
}

header.scrolled .logo-container,
header.scrolled .right-actions {
    flex: 0 1 auto;
}

header.scrolled .logo-text {
    color: var(--color-hanji);
    font-size: 1.3rem;
}

header.scrolled .taegeuk-mark {
    width: 20px;
    height: 20px;
}

header.scrolled .logo-subtitle {
    opacity: 0;
    max-width: 0;
    max-height: 0;
    margin: 0;
    overflow: hidden;
}

header.scrolled .nav-capsule {
    background: transparent;
    box-shadow: none;
    padding: 0;
    max-width: 0;
    opacity: 0;
}

header.scrolled .header-inner:hover {
    max-width: 1100px; /* Increased to fit all elements properly */
}

header.scrolled .header-inner:hover .nav-capsule {
    max-width: 900px; /* Increased to fit nav links properly */
    opacity: 1;
    padding: 0 1.5rem;
}

header.scrolled .btn-lms,
header.scrolled .lang-toggle {
    height: 32px;
    font-size: 0.8rem;
    padding: 0 0.8rem;
}

header.scrolled .lang-toggle img {
    width: 14px;
}

.nav-links a {
    color: #1E3A8A;
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--color-obangsaek-gold);
}

.btn-lms {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 38px;
    background-color: var(--color-dancheong-red);
    color: #FFFFF0 !important;
    padding: 0 1.2rem;
    border-radius: 20px;
    font-size: 0.9rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    box-sizing: border-box;
}

.btn-lms:hover {
    background-color: #1E3A8A;
}

.lang-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 38px;
    gap: 0.5rem;
    background: #E2E8F0;
    border: none;
    color: var(--color-hanji);
    padding: 0 1rem;
    border-radius: 20px;
    cursor: pointer;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    box-sizing: border-box;
}

.lang-toggle:hover {
    background: #CBD5E1;
}

.lang-toggle img {
    width: 16px;
    height: auto;
    display: block;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.lang-toggle i {
    font-size: 0.7rem;
    display: flex;
    align-items: center;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--color-hanji);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Buttons */
.btn-primary {
    background-color: var(--color-dancheong-red);
    color: #FFFFF0;
    padding: 0.8rem 2rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s, transform 0.2s;
    display: inline-block;
    border: 1px solid var(--color-dancheong-red);
}

.btn-primary:hover {
    background-color: #1E3A8A;
    transform: translateY(-2px);
}

.btn-ghost {
    background-color: transparent;
    color: var(--color-hanji);
    padding: 0.8rem 2rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    border: 1px solid var(--color-hanji);
    transition: all 0.3s;
    display: inline-block;
}

.btn-ghost:hover {
    background-color: rgba(245, 240, 230, 0.1);
    transform: translateY(-2px);
}

/* Sections Base */
section {
    padding: 1rem 5%;
    position: relative;
}

.section-title {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    text-align: left;
    position: relative;
    z-index: 1;
}



.dancheong-divider {
    width: 100%;
    height: 20px;
    background-image: radial-gradient(var(--color-obangsaek-gold) 15%, transparent 16%),
                      radial-gradient(var(--color-obangsaek-gold) 15%, transparent 16%);
    background-size: 30px 30px;
    background-position: 0 0, 15px 15px;
    opacity: 0.5;
    margin: 2rem 0;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 130px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    flex: 1;
    position: relative;
    z-index: 2;
    padding-right: 2rem;
    text-align: left;
}

.hero-teacher-name {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--color-hanji);
    margin-bottom: 1.5rem;
    font-weight: 700;
    letter-spacing: 1px;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.5rem 1.2rem;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(5px);
    border-radius: 30px;
    border: 1px solid rgba(30, 58, 138, 0.15);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.hero-teacher-name i {
    color: var(--color-dancheong-red);
}

.hero h1 {
    font-size: 2.8rem;
    line-height: 1.2;
    margin-bottom: 0.8rem;
    color: #000000;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: #E53E3E;
    margin-bottom: 1.2rem;
    font-family: var(--font-heading);
}

.hero-desc {
    font-size: 0.95rem;
    margin-bottom: 1.8rem;
    max-width: 480px;
    color: #000000;
}

.hero-ctas {
    display: flex;
    gap: 1rem;
}

.hero-bg-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}
.mobile-video {
    display: none;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0.15) 35%, rgba(255, 255, 255, 0) 60%);
    z-index: 1;
}


/* Dual Clocks Widget */
.clock-widget-container {
    position: absolute;
    top: 130px;
    right: 5%;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    z-index: 10;
}

.clock-card {
    background: #0B1121;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 1.8rem;
    text-align: center;
    width: 220px;
    border-top: 4px solid var(--color-obangsaek-gold);
    color: #FFFFF0;
    box-shadow: 0 10px 30px rgba(11, 17, 33, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.clock-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 35px rgba(11, 17, 33, 0.4);
}
.clock-card.seoul {
    border-top: 4px solid var(--color-dancheong-red);
}

.clock-time {
    font-size: 2.2rem;
    font-family: var(--font-heading);
    font-weight: 700;
    margin: 0.5rem 0 0.2rem;
    color: #FFFFF0;
}
.clock-date {
    font-size: 1rem;
    color: #94A3B8;
}
.clock-label {
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: #FFFFF0;
    font-weight: 700;
}
.clock-label img {
    width: 18px;
    border-radius: 2px;
}

/* Trust Strip */
.trust-strip {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    color: var(--color-hanji);
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 1.5rem;
    
    position: relative;
    z-index: 10;
    margin: -1.8rem auto 1.2rem;
    width: 90%;
    max-width: 1000px;
    border-radius: 16px;
    border: 1px solid rgba(30, 58, 138, 0.1);
    box-shadow: 0 8px 25px rgba(30, 58, 138, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.trust-strip:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(30, 58, 138, 0.12);
}

.trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
}

.trust-item h4 {
    font-size: 0.95rem;
    color: var(--color-hanji);
}

.trust-icon {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: rgba(56, 189, 248, 0.12);
    border: 2px solid rgba(56, 189, 248, 0.3);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    color: #1E3A8A;
}

/* Courses */
.courses-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.courses-header .section-title {
    margin-bottom: 0;
}

.courses-filter {
    display: flex;
    justify-content: flex-start;
    gap: 1rem;
    margin-bottom: 0;
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--color-hanji);
    color: var(--color-hanji);
    padding: 0.5rem 1.2rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

.filter-btn.active, .filter-btn:hover {
    background: var(--color-hanji);
    color: var(--color-ink-navy);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
    justify-items: center;
}

.course-card {
    background: #FFFFF0;
    border: 1px solid rgba(30, 58, 138, 0.08);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
    max-width: 320px;
    width: 100%;
    box-shadow: 0 8px 25px rgba(30, 58, 138, 0.06);
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    border: 2px solid transparent;
    transition: all 0.3s;
    pointer-events: none;
    z-index: 2;
}

.course-card:hover::before {
    border-color: var(--color-dancheong-red);
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(30, 58, 138, 0.12);
}

.course-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    transition: transform 0.5s;
}

.course-card:hover .course-img {
    transform: scale(1.05);
}

.course-info {
    padding: 1.5rem;
    background: #FFFFF0;
}

.course-info h3 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
    color: var(--color-hanji);
}

.course-info p {
    font-size: 0.9rem;
    color: rgba(30, 58, 138, 0.75);
    margin-bottom: 1rem;
}

.course-link {
    color: #1E3A8A;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.3s;
}

.course-link:hover {
    color: var(--color-dancheong-red);
    gap: 0.75rem;
}

/* Student Journey */
.journey-section {
    background: transparent;
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0;
    padding: 4rem 0;
}

.timeline-line {
    position: absolute;
    top: 39px;
    left: 0;
    width: 0; /* Animated with GSAP */
    height: 2px;
    background: var(--color-dancheong-red);
    z-index: 1;
}

.timeline-nodes {
    display: flex;
    justify-content: space-between;
    position: relative;
    z-index: 2;
}

.timeline-node {
    flex: 1;
    text-align: left;
    padding: 0 10px;
    opacity: 0; /* Animated */
    transform: translateY(20px);
}

.node-circle {
    width: 30px;
    height: 30px;
    background: var(--color-ink-navy);
    border: 2px solid var(--color-dancheong-red);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 0 1rem;
    font-family: var(--font-heading);
    font-weight: bold;
    font-size: 0.85rem;
    color: var(--color-hanji);
}

.timeline-node h4 { margin-bottom: 0.5rem; font-size: 1rem; }
.timeline-node p { font-size: 0.8rem; color: rgba(30, 58, 138, 0.7); }

/* Resources */
.resources-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.resources-grid.three-col {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.timeline-vertical {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    padding-top: 0;
}

.timeline-node-vertical {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.timeline-node-vertical .node-circle {
    margin: 0;
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    font-size: 0.75rem;
}

.timeline-node-vertical h4 {
    margin-bottom: 0;
    font-size: 0.95rem;
}

.timeline-node-vertical p {
    font-size: 0.75rem;
    color: rgba(15, 23, 41, 0.7);
    margin: 0;
}

.resource-panel {
    background: #FFFFF0;
    border: 1px solid rgba(30, 58, 138, 0.08);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(30, 58, 138, 0.06);
}

.resource-panel h3 {
    margin-bottom: 1.5rem;
    color: var(--color-hanji);
    border-bottom: 1px solid rgba(30, 58, 138, 0.1);
    padding-bottom: 0.5rem;
}

.resource-list {
    list-style: none;
}

.resource-list li {
    padding: 0.8rem 0;
    border-bottom: 1px dashed rgba(245, 240, 230, 0.1);
    display: flex;
    align-items: center;
    gap: 1rem;
}
.resource-list li::before {
    content: '→';
    color: var(--color-obangsaek-gold);
}

/* Achievements */
.achievements {
    background-color: transparent;
    color: var(--color-hanji);
    text-align: center;
}

.achievements .resources-grid.three-col {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
}

.achievements .journey-wrapper {
    grid-column: 1 / 2;
    grid-row: 1 / 2;
}

.achievements .testimonials-wrapper {
    grid-column: 2 / 3;
    grid-row: 1 / 2;
}

.achievements .stats-wrapper {
    grid-column: 1 / -1;
    grid-row: 2 / 3;
}

@media (max-width: 992px) {
    .achievements .resources-grid.three-col {
        grid-template-columns: 1fr;
    }
    
    .achievements .journey-wrapper,
    .achievements .stats-wrapper,
    .achievements .testimonials-wrapper {
        grid-column: 1 / -1;
        grid-row: auto;
    }
}

.achievement-card, .profile-card {
    background: #FFFFF0;
    border: 1px solid rgba(30, 58, 138, 0.08);
    border-radius: 16px;
    padding: 0.8rem 1rem;
    box-shadow: 0 8px 25px rgba(30, 58, 138, 0.06);
    height: 100%;
}

.stats-wrapper {
    background: #0B1121;
    color: #FFFFF0;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 30px rgba(11, 17, 33, 0.25);
}

.stats-wrapper h3 {
    color: #FFFFF0 !important;
}

.stats-grid {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.stat-icon {
    font-size: 1.2rem;
    color: var(--color-dancheong-red);
    margin-bottom: 0;
}
.stat-number {
    font-size: 1.5rem;
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0;
    color: var(--color-hanji);
}
.stats-wrapper .stat-number {
    color: #FFFFF0;
}
.stat-label {
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    color: rgba(30, 58, 138, 0.7);
    font-size: 0.75rem;
}
.stats-wrapper .stat-label {
    color: #94A3B8;
}

/* Testimonials */
.testimonials-container {
    display: flex;
    gap: 2rem;
    overflow-x: auto;
    padding-bottom: 2rem;
    scroll-snap-type: x mandatory;
}

.testimonials-container-vertical {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.testimonial-card {
    min-width: 200px;
    flex: 1;
    background: #F8FAFC;
    border: 1px solid rgba(30, 58, 138, 0.08);
    padding: 0.6rem 0.8rem;
    border-radius: 8px;
    border-left: 3px solid var(--color-dancheong-red);
    scroll-snap-align: start;
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.04);
}
.stars { color: #F59E0B; margin-bottom: 0.2rem; font-size: 0.8rem; }
.test-quote { font-style: italic; margin-bottom: 0.2rem; font-size: 0.85rem; color: rgba(30, 58, 138, 0.85); }
.test-author { font-weight: bold; font-family: var(--font-heading); font-size: 0.85rem; color: var(--color-hanji); margin-bottom: 0; }
.test-level { font-size: 0.75rem; color: #1E3A8A; font-weight: 600; margin-top: 0; }

/* Culture & Gallery Combined Wrapper */
.culture-gallery-wrapper {
    display: flex;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    align-items: stretch;
    padding: 1rem 0;
}

.culture-half {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: #FFFFF0;
    border: 1px solid rgba(30, 58, 138, 0.08);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 8px 25px rgba(30, 58, 138, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gallery-half {
    flex: 2;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: #FFFFF0;
    border: 1px solid rgba(30, 58, 138, 0.08);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 8px 25px rgba(30, 58, 138, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.culture-half:hover, .gallery-half:hover {
    box-shadow: 0 15px 35px rgba(30, 58, 138, 0.1);
    transform: translateY(-4px);
}

@media (max-width: 1024px) {
    .culture-gallery-wrapper {
        flex-direction: column;
    }
}

/* Compact Culture Layout */
.culture-layout-compact {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    height: 100%;
}
.culture-grid-compact {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}
.culture-tile.compact {
    max-width: 110px;
    padding: 0.8rem;
    border-radius: 50%;
    aspect-ratio: 1;
}
.culture-tile.compact .culture-icon {
    font-size: 1.5rem;
    margin-bottom: 0.3rem;
}
.culture-tile.compact span {
    font-size: 0.8rem;
}

.culture-image-placeholder.compact {
    flex: 1;
    background: #FFFFF0;
    border: 1px dashed rgba(30, 58, 138, 0.15);
    box-shadow: 0 4px 15px rgba(30, 58, 138, 0.04);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    color: rgba(30, 58, 138, 0.6);
    font-family: var(--font-heading);
    position: relative;
    overflow: hidden;
    border-radius: 12px;
}
.culture-image-placeholder img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.5s ease, transform 0.5s ease;
    transform: scale(1.05);
    pointer-events: none;
}
.culture-image-placeholder img.active {
    opacity: 1;
    transform: scale(1);
}
.culture-tile {
    aspect-ratio: 1;
    max-width: 150px;
    width: 100%;
    margin: 0 auto;
    border-radius: 50%;
    border: 1px solid rgba(15, 23, 41, 0.05);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 1rem;
    font-family: var(--font-heading);
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    background: #FFFFF0;
    box-shadow: 0 4px 10px rgba(15, 23, 41, 0.03);
    color: var(--color-hanji);
    position: relative;
    overflow: hidden;
}
.culture-tile::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(125, 211, 252, 0.1) 0%, rgba(56, 189, 248, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
}
.culture-tile:hover, .culture-tile.active {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(15, 23, 41, 0.08);
    border-color: rgba(56, 189, 248, 0.3);
}
.culture-tile:hover::before, .culture-tile.active::before {
    opacity: 1;
}
.culture-tile > * {
    position: relative;
    z-index: 1;
    transition: color 0.3s;
}
.culture-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), color 0.3s;
    color: var(--color-hanji);
}
.culture-tile:hover .culture-icon, .culture-tile.active .culture-icon {
    transform: scale(1.15) translateY(-2px);
    color: var(--color-dancheong-red);
}
.culture-tile:hover span, .culture-tile.active span {
    color: var(--color-hanji);
}

/* Banner Section */
.banner-section {
    padding: 0.5rem 5%;
    display: flex;
    justify-content: center;
    background: transparent;
}

.banner-container {
    position: relative;
    width: 100%;
    max-width: 1200px;
    background: #0B1121; /* Dark blue from image */
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    padding: 1.2rem 2rem;
}

.banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.banner-bg-img {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0.6;
}

.banner-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(11, 17, 33, 0.95) 0%, rgba(11, 17, 33, 0.6) 100%);
}

.banner-content-wrapper {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    gap: 2rem;
}

.banner-text {
    flex: 1;
    max-width: 550px;
}

.banner-title {
    font-size: 1.3rem;
    font-family: var(--font-body);
    font-weight: 600;
    color: #F8FAFC;
    margin-bottom: 0.4rem;
    line-height: 1.2;
}

.banner-subtitle {
    font-size: 0.75rem;
    color: #94A3B8;
    margin: 0;
}

.banner-form-wrapper {
    flex: 0 0 450px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.banner-form {
    width: 100%;
    margin-bottom: 0.8rem;
}

.banner-input-group {
    display: flex;
    background: #F1F5F9;
    border-radius: 50px;
    padding: 0.3rem 0.3rem 0.3rem 1.5rem;
    align-items: center;
}

.banner-input-group input {
    flex: 1;
    border: none;
    background: transparent;
    outline: none;
    font-size: 0.85rem;
    color: #334155;
    padding-right: 1rem;
}

.banner-input-group input::placeholder {
    color: #64748B;
}

.banner-submit-btn {
    background: #1E6BBA; /* Blue from image */
    color: #FFFFF0;
    border: none;
    padding: 0.6rem 1.4rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: background 0.3s ease;
}

.banner-submit-btn:hover {
    background: #175494;
}

.banner-form-hint {
    font-size: 0.7rem;
    color: #94A3B8;
    margin: 0;
    padding-left: 1rem;
}

/* Responsive Banner */
@media (max-width: 992px) {
    .banner-content-wrapper {
        flex-direction: column;
        align-items: flex-start;
    }
    .banner-form-wrapper {
        flex: 1;
        width: 100%;
    }
    .banner-gradient {
        background: linear-gradient(180deg, rgba(11, 17, 33, 0.9) 0%, rgba(11, 17, 33, 0.7) 100%);
    }
}

@media (max-width: 600px) {
    .banner-container {
        padding: 1.5rem 1.5rem;
    }
    .banner-title {
        font-size: 1.2rem;
    }
    .banner-input-group {
        flex-direction: column;
        border-radius: 12px;
        padding: 0.5rem;
        background: transparent;
    }
    .banner-input-group input {
        width: 100%;
        background: #F1F5F9;
        border-radius: 8px;
        padding: 1rem;
        margin-bottom: 0.5rem;
    }
    .banner-submit-btn {
        width: 100%;
        justify-content: center;
        border-radius: 8px;
        padding: 1rem;
    }
    .banner-form-hint {
        padding-left: 0;
        text-align: center;
        width: 100%;
    }
}
/* Footer */
footer {
    background: #ffffff;
    color: rgba(15, 23, 41, 0.8);
    padding: 4rem 5% 2rem;
    position: relative;
    border-top: 1px solid rgba(15, 23, 41, 0.1);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}
.footer-col h4 {
    color: var(--color-hanji);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    position: relative;
    display: inline-block;
}
.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    height: 2px;
    width: 30px;
    background: var(--color-dancheong-red);
}
.footer-col .logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-hanji);
}
#footer-tagline {
    color: rgba(15, 23, 41, 0.7) !important;
    line-height: 1.6;
}
.footer-col ul {
    list-style: none;
}
.footer-col ul li {
    margin-bottom: 0.8rem;
}
.footer-col ul li a, .contact-list li {
    color: rgba(15, 23, 41, 0.7);
    text-decoration: none;
    transition: color 0.3s;
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
}
.contact-list li i {
    margin-top: 0.3rem;
    color: var(--color-hanji);
}
.footer-col ul li a:hover { 
    color: var(--color-dancheong-red); 
}
.social-icon {
    color: var(--color-hanji);
    font-size: 1.5rem;
    transition: color 0.3s, transform 0.3s;
}
.social-icon:hover {
    color: var(--color-dancheong-red);
    transform: translateY(-3px);
}
.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(15, 23, 41, 0.1);
    color: rgba(15, 23, 41, 0.6);
    font-size: 0.9rem;
}
.developer-credit a {
    color: var(--color-hanji);
    text-decoration: none;
    transition: color 0.3s;
}
.developer-credit a:hover {
    color: var(--color-dancheong-red);
}

/* Gallery Overrides */
.gallery-item {
    cursor: pointer;
}
.gallery-item:hover img {
    transform: scale(1.05);
}

/* Timetable Cards Styling */
.timetable-wrapper {
    background: #FFFFF0;
    border: 1px solid rgba(30, 58, 138, 0.08);
    border-radius: 16px;
    padding: 1.5rem 1.8rem;
    box-shadow: 0 8px 25px rgba(30, 58, 138, 0.06);
    max-width: 1200px;
    margin: 0 auto;
}

.timetable-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.2rem;
    width: 100%;
    margin: 0 auto;
}

.class-card {
    background-color: #FFFFF0;
    color: #334155;
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s ease;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 25px rgba(30, 58, 138, 0.08);
    border: 1px solid rgba(30, 58, 138, 0.05);
    min-width: 0;
    width: 100%;
    position: relative;
}

.class-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(30, 58, 138, 0.15);
    border-color: rgba(30, 58, 138, 0.1);
}

.class-card-header {
    background: linear-gradient(135deg, var(--color-hanji) 0%, #3B82F6 100%);
    color: #FFFFF0;
    padding: 0.9rem 1.2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    border-bottom: none;
    position: relative;
    overflow: hidden;
}

.class-card-header::before {
    content: '';
    position: absolute;
    top: -50%; left: -50%; width: 200%; height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 10%, transparent 20%);
    background-size: 20px 20px;
    transform: rotate(30deg);
    pointer-events: none;
}

.class-day {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    position: relative;
    z-index: 1;
}

.class-time {
    font-size: 0.85rem;
    color: var(--color-obangsaek-gold);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 600;
    position: relative;
    z-index: 1;
    background: rgba(0, 0, 0, 0.2);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
}

.class-card-body {
    padding: 1.2rem 1.2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    background: #FFFFF0;
}

.class-title {
    font-size: 1.15rem;
    margin-bottom: 0.8rem;
    color: var(--color-hanji);
    font-family: var(--font-heading);
    font-weight: 800;
    letter-spacing: -0.5px;
    position: relative;
    padding-bottom: 0.5rem;
}

.class-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 4px;
    background: var(--color-dancheong-red);
    border-radius: 2px;
    transition: width 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.class-card:hover .class-title::after {
    width: 80px;
}

.class-desc {
    font-size: 0.85rem;
    color: rgba(15, 23, 41, 0.8);
    margin-bottom: 1.2rem;
    line-height: 1.4;
    flex: 1;
}

.class-details {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-top: auto;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.9rem;
    color: #475569;
    font-weight: 500;
}

.detail-item i {
    color: var(--color-dancheong-red);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(56, 189, 248, 0.1);
    border-radius: 50%;
    font-size: 0.8rem;
}

.class-card-footer {
    padding: 0.8rem 1.2rem;
    background: #F8FAFC;
    border-top: 1px solid #E2E8F0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.btn-enroll-sm {
    background: var(--color-dancheong-red);
    color: #FFFFF0;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.55rem 1.2rem;
    border-radius: 25px;
    transition: all 0.3s;
    box-shadow: 0 4px 10px rgba(56, 189, 248, 0.3);
    width: 100%;
}

.btn-enroll-sm:hover {
    background: #1E3A8A;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(2, 132, 199, 0.4);
    color: #FFFFF0;
    gap: 0.6rem;
}

.mode-badge {
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.mode-badge.physical {
    background: #DEF7EC;
    color: #03543F;
}
.mode-badge.online {
    background: #E0F2FE;
    color: #0369A1;
}

/* Gallery Half Styles */
.gallery-main-display {
    width: 100%;
    aspect-ratio: 16/9;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 1rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}
.gallery-main-display img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-marquee-container {
    width: 100%;
    overflow: hidden;
    position: relative;
    border-radius: 8px;
    background: rgba(15, 23, 41, 0.02);
    padding: 0.5rem 0;
}
.gallery-marquee-track {
    display: flex;
    gap: 0.5rem;
    width: max-content;
    animation: marquee 20s linear infinite;
}
.gallery-marquee-track:hover {
    animation-play-state: paused;
}
.gallery-marquee-item {
    width: 120px;
    aspect-ratio: 4/3;
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    flex-shrink: 0;
    transition: transform 0.2s, box-shadow 0.2s;
}
.gallery-marquee-item:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}
.gallery-marquee-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@keyframes marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* Responsive */
@media (max-width: 1024px) {
    .clock-widget-container { 
        position: relative;
        top: 0;
        right: 0;
        flex-direction: row;
        justify-content: flex-start;
        margin-top: 2rem;
        gap: 1rem;
    }
    .clock-card { width: 180px; padding: 1.2rem; }
    .clock-time { font-size: 1.8rem; }
    .hero h1 { font-size: 2.8rem; }
    .moon-gate { width: 300px; height: 300px; }
}

@media (max-width: 768px) {
    /* Mobile Header Reset */
    header {
        padding: 1rem 5%;
        background: #FFFFF0;
        box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    }
    .header-inner {
        max-width: 100%;
        padding: 0;
        background: transparent;
        box-shadow: none;
    }
    header.scrolled {
        padding: 0.8rem 5%;
        background: #FFFFF0;
    }
    header.scrolled .header-inner {
        max-width: 100%;
        padding: 0;
        box-shadow: none;
    }
    header.scrolled .header-inner:hover {
        max-width: 100%;
    }
    .logo-text { font-size: 1.15rem; }
    header.scrolled .logo-text { font-size: 1.15rem; }
    .taegeuk-mark { width: 18px; height: 18px; }
    header.scrolled .taegeuk-mark { width: 18px; height: 18px; }
    .logo-subtitle { display: none; }
    
    .nav-capsule {
        background: transparent;
        padding: 0;
        box-shadow: none;
    }

    .nav-links {
        position: fixed;
        top: 0; right: -100%; width: 100%; height: 100vh;
        background: rgba(255, 255, 240, 0.95);
        backdrop-filter: blur(15px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        z-index: 999;
        transition: right 0.4s cubic-bezier(0.77, 0, 0.175, 1);
        margin: 0;
        gap: 2.5rem;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
    }
    .nav-links a {
        font-size: 1.6rem;
        font-weight: 800;
        color: var(--color-hanji);
        font-family: var(--font-heading);
        text-transform: uppercase;
        letter-spacing: 2px;
        position: relative;
        padding: 0.5rem 1rem;
    }
    .nav-links a::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 0;
        height: 3px;
        background: var(--color-dancheong-red);
        transition: width 0.3s ease;
        border-radius: 2px;
    }
    .nav-links a:hover::after, .nav-links a:active::after {
        width: 40px;
    }
    .nav-links.active { right: 0; }
    
    .hamburger { 
        display: flex;
        align-items: center;
        justify-content: center;
        width: 42px;
        height: 42px;
        background: rgba(30, 58, 138, 0.05);
        border-radius: 50%;
        z-index: 1000; 
        position: relative; 
        font-size: 1.2rem;
        color: var(--color-hanji);
        border: none;
        cursor: pointer;
        transition: background 0.3s ease;
    }
    .hamburger:active {
        background: rgba(30, 58, 138, 0.15);
    }
    
    .right-actions { gap: 0.8rem; }
    .lang-toggle { height: 42px; border-radius: 21px; font-size: 0.85rem; padding: 0 0.8rem; }
    .btn-lms { display: none; }
    
    .desktop-video { display: none; }
    .mobile-video { display: block; }
    .hero-bg-overlay { 
        display: block; 
        background: linear-gradient(to bottom, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0.4) 60%, rgba(255, 255, 255, 0.1) 100%);
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 80px;
        min-height: auto;
        height: auto;
        aspect-ratio: 9 / 16; /* Force exact 9:16 ratio so the video is 100% uncropped */
        width: 100%;
        padding-bottom: 1rem;
        justify-content: center;
    }
    .hero-content { padding-right: 0; margin-bottom: 0; display: flex; flex-direction: column; align-items: center; z-index: 2; width: 100%; text-align: center; }
    .hero-teacher-name { margin-bottom: 0.8rem; font-size: 0.9rem; padding: 0.4rem 1rem; }
    .hero h1 { font-size: 1.8rem; text-align: center; margin-bottom: 0.6rem; }
    .hero-subtitle { font-size: 1rem; text-align: center; margin-bottom: 0.8rem; }
    .hero-desc { margin: 0 0 1.2rem; text-align: center; font-size: 0.85rem; max-width: 95%; }
    .hero-ctas { justify-content: center; flex-direction: row; gap: 0.8rem; align-items: center; width: 100%; max-width: 320px; }
    .hero-ctas .btn-primary, .hero-ctas .btn-ghost { padding: 0.6rem 1rem; font-size: 0.85rem; flex: 1; display: flex; justify-content: center; align-items: center; text-align: center; }
    
    .clock-widget-container {
        flex-direction: row;
        align-items: center;
        justify-content: center;
        gap: 0.6rem;
        margin-top: 1.5rem;
        width: 100%;
    }
    .clock-card { 
        width: auto; 
        padding: 0.6rem 0.8rem;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.6rem;
        border-radius: 12px;
    }
    .clock-label { font-size: 0.75rem; margin: 0; display: flex; align-items: center; justify-content: center; gap: 0.3rem; }
    .clock-label img { width: 14px; }
    .clock-time { font-size: 1rem; margin: 0; font-weight: 700; }
    .clock-date { display: none; }

    .trust-strip {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
        padding: 1.2rem;
        margin-top: 0; /* Removed negative margin to prevent overlapping the clocks */
    }
    .trust-item h4 { font-size: 0.85rem; }
    
    .profile-card { padding: 1.2rem; }
    .profile-card > div[style*="grid-template-columns"] { grid-template-columns: 1fr !important; gap: 1rem !important; }
    .profile-card h2 { font-size: 1.2rem; }
    .profile-card h4 { font-size: 0.95rem !important; line-height: 1.3; }
    .profile-card p { font-size: 0.8rem !important; line-height: 1.4; }
    
    .timeline-node-vertical { padding: 0.8rem !important; gap: 0.8rem !important; }
    .timeline-node-vertical .node-circle { width: 32px !important; height: 32px !important; font-size: 1rem !important; }
    .timeline-node-vertical h4 { font-size: 0.95rem !important; }
    .timeline-node-vertical p { font-size: 0.8rem !important; }
    .stats-grid { gap: 1rem !important; flex-wrap: wrap; justify-content: center !important; }
    .stat-item { padding: 0.8rem; flex: 1; min-width: 120px; }
    .stat-number { font-size: 1.2rem; }
    .stat-label { font-size: 0.8rem; }
    
    .resources-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .footer-col .logo { justify-content: center; }
    .footer-col ul li a, .contact-list li { justify-content: center; }
    .footer-col h4::after { left: 50%; transform: translateX(-50%); }
    .social-links { justify-content: center; }
    .newsletter-form { flex-direction: column; }
}

@media (max-width: 640px) {
    .culture-grid-compact { grid-template-columns: repeat(2, 1fr); }
    
    .clock-widget-container { flex-direction: column; }
    .clock-card { width: 100%; }
    
    .timeline { padding: 1rem 0; }
    .timeline-nodes { 
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem; 
        flex-direction: unset;
    }
    .timeline-line { display: none !important; }
    .timeline-node { transform: none; padding-left: 0; position: relative; text-align: center; }
    .node-circle { margin: 0 auto 0.5rem auto; position: static; width: 30px; height: 30px; font-size: 0.9rem; }
    .timeline-node h4 { font-size: 0.85rem; margin-bottom: 0.2rem; }
    .timeline-node p { font-size: 0.75rem; }
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--color-ink-navy);
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease-in-out, visibility 0.5s ease-in-out;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.loader-logo {
    width: 60px;
    height: 60px;
    animation: spin 2s linear infinite;
}

.loader-text {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--color-hanji);
    font-weight: 700;
    letter-spacing: 2px;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}