:root {
    --bg: #f0f6ff;
    --bg-frost: rgba(255, 255, 255, 0.55);
    --bg-card: rgba(255, 255, 255, 0.7);
    --bg-card-solid: #ffffff;
    --blue-deep: #1a3a6e;
    --blue-mid: #2e6bd6;
    --blue-bright: #4a9eff;
    --blue-light: #7ec4ff;
    --blue-pale: #d0e8ff;
    --blue-ghost: rgba(46, 107, 214, 0.08);
    --blue-glow: rgba(74, 158, 255, 0.15);
    --text-primary: #0f2444;
    --text-secondary: #4a6485;
    --text-muted: #8aa4c4;
    --border: rgba(46, 107, 214, 0.12);
    --border-light: rgba(255, 255, 255, 0.6);
    --glass-border: rgba(255, 255, 255, 0.4);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

/* Hide scrollbar */
html::-webkit-scrollbar { display: none; }
html { -ms-overflow-style: none; scrollbar-width: none; }

body {
    font-family: 'Onest', sans-serif;
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
    background: var(--bg);
}

/* ===== ANIMATED GRADIENT BG ===== */
.gradient-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    background: linear-gradient(135deg,
        #e8f2ff 0%,
        #d4e8ff 15%,
        #f0f6ff 30%,
        #c8e0ff 45%,
        #e0eeff 60%,
        #f5f9ff 75%,
        #d0e4ff 90%,
        #e8f2ff 100%
    );
    background-size: 400% 400%;
    animation: gradientFlow 12s ease infinite;
}

@keyframes gradientFlow {
    0% { background-position: 0% 50%; }
    25% { background-position: 100% 25%; }
    50% { background-position: 50% 100%; }
    75% { background-position: 25% 0%; }
    100% { background-position: 0% 50%; }
}

.gradient-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 50% 40% at 20% 20%, rgba(74, 158, 255, 0.12), transparent),
        radial-gradient(ellipse 40% 50% at 80% 80%, rgba(46, 107, 214, 0.08), transparent),
        radial-gradient(ellipse 60% 30% at 50% 50%, rgba(126, 196, 255, 0.1), transparent);
    animation: orbFloat 8s ease-in-out infinite alternate;
}

@keyframes orbFloat {
    0% { opacity: 0.7; }
    100% { opacity: 1; }
}

/* Subtle dot pattern */
.dot-overlay {
    position: fixed;
    inset: 0;
    z-index: 0;
    background-image: radial-gradient(circle, rgba(46, 107, 214, 0.06) 1px, transparent 1px);
    background-size: 36px 36px;
    pointer-events: none;
}

/* ===== NAV ===== */
nav {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    padding: 14px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: calc(100% - 48px);
    max-width: 1200px;
    backdrop-filter: blur(24px) saturate(180%);
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(15, 36, 68, 0.06);
}

.logo {
    font-family: 'Unbounded', sans-serif;
    font-weight: 800;
    font-size: 1.15rem;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--blue-deep);
}

.logo-mark {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--blue-mid), var(--blue-bright));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.85rem;
    font-weight: 900;
    box-shadow: 0 2px 12px rgba(46, 107, 214, 0.3);
}

.logo-sub {
    font-weight: 400;
    font-size: 0.6rem;
    color: var(--text-muted);
    font-family: 'Onest', sans-serif;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-top: 1px;
}

.nav-links {
    display: flex;
    gap: 28px;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover { color: var(--blue-mid); }

.nav-cta {
    padding: 10px 22px;
    background: linear-gradient(135deg, var(--blue-mid), var(--blue-bright));
    color: #fff;
    border: none;
    border-radius: 10px;
    font-family: 'Onest', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    box-shadow: 0 2px 12px rgba(46, 107, 214, 0.25);
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(46, 107, 214, 0.35);
}

/* ===== HERO ===== */
.hero {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 60px 100px;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 64px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--blue-mid);
    margin-bottom: 28px;
    box-shadow: 0 2px 12px rgba(46,107,214,0.06);
    animation: fadeInUp 0.7s ease;
}

.badge-dot {
    width: 7px; height: 7px;
    background: var(--blue-bright);
    border-radius: 50%;
    animation: pulse 2s infinite;
    box-shadow: 0 0 8px rgba(74,158,255,0.4);
}

@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 8px rgba(74,158,255,0.4); }
    50% { opacity: 0.5; box-shadow: 0 0 16px rgba(74,158,255,0.2); }
}

.hero h1 {
    font-family: 'Unbounded', sans-serif;
    font-size: clamp(2.6rem, 5.5vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
    animation: fadeInUp 0.7s ease 0.1s both;
    color: var(--blue-deep);
}

.hero h1 .gradient-text {
    background: linear-gradient(135deg, var(--blue-mid), var(--blue-bright), var(--blue-light), var(--blue-mid));
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 5s ease infinite;
}

@keyframes shimmer {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-desc {
    font-size: 1.08rem;
    color: var(--text-secondary);
    max-width: 480px;
    line-height: 1.7;
    margin-bottom: 36px;
    animation: fadeInUp 0.7s ease 0.2s both;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    animation: fadeInUp 0.7s ease 0.3s both;
}

.btn-primary {
    padding: 14px 30px;
    background: linear-gradient(135deg, var(--blue-mid), var(--blue-bright));
    color: #fff;
    border: none;
    border-radius: 12px;
    font-family: 'Onest', sans-serif;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 20px rgba(46, 107, 214, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(46, 107, 214, 0.4);
}

.btn-glass {
    padding: 14px 30px;
    background: rgba(255,255,255,0.6);
    backdrop-filter: blur(12px);
    color: var(--blue-deep);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    font-family: 'Onest', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
}

.btn-glass:hover {
    background: rgba(255,255,255,0.85);
    box-shadow: 0 4px 20px rgba(46,107,214,0.1);
}

/* Hero cards */
.hero-visual {
    animation: fadeInUp 0.8s ease 0.3s both;
    position: relative;
}

.visual-stack {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.vcard {
    background: rgba(255,255,255,0.65);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 20px 22px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: 0 4px 24px rgba(15,36,68,0.04);
    transition: all 0.35s cubic-bezier(0.16,1,0.3,1);
}

.vcard:hover {
    transform: translateX(6px);
    box-shadow: 0 8px 36px rgba(46,107,214,0.1);
    background: rgba(255,255,255,0.85);
}

.vcard-icon {
    width: 44px; height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.vcard-icon.c1 { background: linear-gradient(135deg, #e0eeff, #c8e0ff); color: var(--blue-mid); }
.vcard-icon.c2 { background: linear-gradient(135deg, #dff5f0, #c3ebe2); color: #1a8a7d; }
.vcard-icon.c3 { background: linear-gradient(135deg, #e8e4f8, #d4cef5); color: #5b4fc4; }
.vcard-icon.c4 { background: linear-gradient(135deg, #fff0e0, #ffe4c4); color: #d4880f; }
.vcard-icon.c5 { background: linear-gradient(135deg, #d4e8ff, #b8d8ff); color: #3a7bd5; }
.vcard-icon.i1 { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; }
.vcard-icon.i2 { background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%); color: white; }
.vcard-icon.i3 { background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); color: white; }
.vcard-icon.i4 { background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%); color: white; }
.vcard-icon.i5 { background: linear-gradient(135deg, #fa709a 0%, #fee140 100%); color: white; }
.vcard-icon.i6 { background: linear-gradient(135deg, #30cfd0 0%, #330867 100%); color: white; }
.vcard-icon.i7 { background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%); color: #5a5a5a; }

.vcard-text h4 {
    font-family: 'Unbounded', sans-serif;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--blue-deep);
}

.vcard-text p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.vcard-tag {
    margin-left: auto;
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.68rem;
    font-weight: 700;
    white-space: nowrap;
}

.vcard-tag.free { background: rgba(26,138,125,0.1); color: #1a8a7d; }
.vcard-tag.open { background: rgba(46,107,214,0.1); color: var(--blue-mid); }

/* ===== SECTIONS ===== */
section {
    position: relative;
    z-index: 1;
    padding: 100px 60px;
}

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

.section-header { margin-bottom: 56px; }
.section-header.center { text-align: center; }

.section-tag {
    font-family: 'Unbounded', sans-serif;
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--blue-bright);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 12px;
}

.section-title {
    font-family: 'Unbounded', sans-serif;
    font-size: clamp(1.6rem, 3.5vw, 2.3rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.15;
    color: var(--blue-deep);
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-top: 14px;
    max-width: 520px;
}

.section-header.center .section-subtitle {
    margin-left: auto; margin-right: auto;
}

/* ===== STUDY GRID ===== */
.study-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.study-card {
    background: rgba(255,255,255,0.6);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 32px 26px;
    transition: all 0.4s cubic-bezier(0.16,1,0.3,1);
    position: relative;
    overflow: hidden;
}

.study-card:hover {
    transform: translateY(-6px);
    background: rgba(255,255,255,0.9);
    box-shadow: 0 20px 60px rgba(46,107,214,0.1);
}

.study-icon {
    width: 50px; height: 50px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}

.study-icon.c1 { background: linear-gradient(135deg, #d0e8ff, #b0d4ff); color: var(--blue-mid); }
.study-icon.c2 { background: linear-gradient(135deg, #d0f5ee, #b0e8dd); color: #1a8a7d; }
.study-icon.c3 { background: linear-gradient(135deg, #e0dbf8, #cec5f5); color: #5b4fc4; }
.study-icon.c4 { background: linear-gradient(135deg, #fff0d4, #ffe4b8); color: #d4880f; }
.study-icon.c5 { background: linear-gradient(135deg, #d4e8ff, #b8d8ff); color: #3a7bd5; }
.study-icon.i1 { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; }
.study-icon.i2 { background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%); color: white; }
.study-icon.i3 { background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); color: white; }
.study-icon.i4 { background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%); color: white; }
.study-icon.i5 { background: linear-gradient(135deg, #fa709a 0%, #fee140 100%); color: white; }
.study-icon.i6 { background: linear-gradient(135deg, #30cfd0 0%, #330867 100%); color: white; }
.study-icon.i7 { background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%); color: #5a5a5a; }

.study-card h3 {
    font-family: 'Unbounded', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--blue-deep);
}

.study-card p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.6;
}

.study-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 14px;
}

.study-tags span {
    padding: 3px 10px;
    background: var(--blue-ghost);
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--blue-mid);
}

/* ===== SCHEDULE ===== */
.schedule-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.schedule-card {
    background: rgba(255,255,255,0.6);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 28px 22px;
    transition: all 0.35s cubic-bezier(0.16,1,0.3,1);
}

.schedule-card:hover {
    transform: translateY(-4px);
    background: rgba(255,255,255,0.9);
    box-shadow: 0 16px 48px rgba(46,107,214,0.08);
}

.schedule-day {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.day-icon {
    width: 42px; height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--blue-mid), var(--blue-bright));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 16px rgba(46,107,214,0.25);
}

.day-icon.saturday {
    background: linear-gradient(135deg, #667eea, #764ba2);
    box-shadow: 0 4px 16px rgba(102,126,234,0.3);
}

.schedule-day h3 {
    font-family: 'Unbounded', sans-serif;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--blue-deep);
}

.schedule-times {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.time-slot {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    background: var(--blue-ghost);
    border-radius: 12px;
    transition: all 0.3s;
}

.time-slot:hover {
    background: rgba(46,107,214,0.12);
}

.time-slot > i {
    color: var(--blue-mid);
    font-size: 0.9rem;
    width: 20px;
    text-align: center;
}

.time-range {
    display: block;
    font-family: 'Unbounded', sans-serif;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--blue-deep);
}

.time-label {
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* ===== WHY US ===== */
.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.why-card {
    text-align: center;
    padding: 32px 18px;
    border-radius: 20px;
    background: rgba(255,255,255,0.6);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    transition: all 0.35s;
}

.why-card:hover {
    transform: translateY(-4px);
    background: rgba(255,255,255,0.9);
    box-shadow: 0 16px 48px rgba(46,107,214,0.08);
}

.why-icon {
    width: 52px; height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--blue-mid), var(--blue-bright));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    box-shadow: 0 4px 16px rgba(46,107,214,0.25);
}

.why-card h3 {
    font-family: 'Unbounded', sans-serif;
    font-size: 0.82rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--blue-deep);
}

.why-card p {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ===== JOIN STEPS ===== */
.join-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    position: relative;
}

.join-steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 17%;
    right: 17%;
    height: 2px;
    background: repeating-linear-gradient(90deg, var(--blue-pale) 0, var(--blue-pale) 8px, transparent 8px, transparent 16px);
}

.step-card {
    background: rgba(255,255,255,0.65);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 36px 24px;
    text-align: center;
    position: relative;
    z-index: 1;
    transition: all 0.35s;
}

.step-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(46,107,214,0.08);
    background: rgba(255,255,255,0.9);
}

.step-num {
    width: 46px; height: 46px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--blue-mid), var(--blue-bright));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Unbounded', sans-serif;
    font-weight: 800;
    font-size: 1.05rem;
    margin: 0 auto 18px;
    box-shadow: 0 4px 16px rgba(46,107,214,0.25);
}

.step-card h3 {
    font-family: 'Unbounded', sans-serif;
    font-size: 0.88rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--blue-deep);
}

.step-card p {
    color: var(--text-muted);
    font-size: 0.84rem;
    line-height: 1.5;
}

/* ===== FREE BANNER ===== */
.free-banner {
    max-width: 1200px;
    margin: 60px auto 0;
    background: linear-gradient(135deg, var(--blue-mid), var(--blue-bright), var(--blue-light));
    background-size: 200% 200%;
    animation: shimmer 5s ease infinite;
    border-radius: 24px;
    padding: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 36px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 12px 48px rgba(46,107,214,0.25);
}

.free-banner::before {
    content: '';
    position: absolute;
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(255,255,255,0.15), transparent 70%);
    top: -120px; right: -60px;
}

.free-banner::after {
    content: '';
    position: absolute;
    width: 200px; height: 200px;
    background: radial-gradient(circle, rgba(255,255,255,0.1), transparent 70%);
    bottom: -80px; left: -40px;
}

.free-banner-text h3 {
    font-family: 'Unbounded', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 8px;
}

.free-banner-text p {
    color: rgba(255,255,255,0.8);
    font-size: 0.95rem;
    max-width: 400px;
}

.btn-white {
    padding: 14px 32px;
    background: #fff;
    color: var(--blue-mid);
    border: none;
    border-radius: 12px;
    font-family: 'Onest', sans-serif;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}

/* ===== LOCATION ===== */
.location-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    align-items: center;
}

.location-map {
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    height: 380px;
    box-shadow: 0 8px 32px rgba(46,107,214,0.06);
}

.location-map iframe {
    width: 100%; height: 100%; border: none;
}

.location-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.loc-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.loc-icon {
    width: 42px; height: 42px;
    border-radius: 12px;
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--blue-mid);
}

.loc-item h4 {
    font-family: 'Unbounded', sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 3px;
    color: var(--blue-deep);
}

.loc-item p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.loc-item a {
    color: var(--blue-mid);
    text-decoration: none;
    font-weight: 600;
}

.loc-item a:hover { text-decoration: underline; }

/* ===== FOOTER ===== */
footer {
    position: relative;
    z-index: 1;
    padding: 44px 60px;
    border-top: 1px solid var(--border);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-left p {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-top: 6px;
}

.footer-social {
    display: flex;
    gap: 10px;
}

.social-link {
    width: 40px; height: 40px;
    border-radius: 12px;
    background: rgba(255,255,255,0.6);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.3s;
    text-decoration: none;
}

.social-link:hover {
    color: var(--blue-mid);
    background: rgba(255,255,255,0.9);
    box-shadow: 0 4px 16px rgba(46,107,214,0.1);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: all 0.6s cubic-bezier(0.16,1,0.3,1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero-content { grid-template-columns: 1fr; }
    .hero-visual { display: none; }
    .study-grid { grid-template-columns: repeat(2, 1fr); }
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    .schedule-grid { grid-template-columns: repeat(2, 1fr); }
    .location-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    nav { padding: 12px 18px; width: calc(100% - 24px); top: 10px; border-radius: 14px; }
    .nav-links { display: none; }
    .hero { padding: 120px 20px 60px; }
    section { padding: 60px 20px; }
    .study-grid, .why-grid, .join-steps, .schedule-grid { grid-template-columns: 1fr; }
    .join-steps::before { display: none; }
    .free-banner { flex-direction: column; padding: 32px 22px; text-align: center; }
    .footer-content { flex-direction: column; gap: 18px; text-align: center; }
    .location-map { height: 260px; }
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 6px;
    cursor: pointer;
    color: var(--blue-deep);
}

@media (max-width: 768px) {
    .mobile-menu-btn { display: flex; }
    .nav-cta { font-size: 0.78rem; padding: 8px 14px; }
}