/* ═══════════════════════════════════════════════════
   ERIC LEUNG — Modern Youth-Friendly Design System
   ═══════════════════════════════════════════════════ */

/* ── Design Tokens ── */
:root {
    --blue: #003366;
    --blue-mid: #0055aa;
    --blue-light: #e8f1ff;
    --accent: #3b82f6;
    --green: #2ec4b6;
    --gold: #f4a261;
    --purple: #7c3aed;

    --text-dark: #0f172a;
    --text-body: #475569;
    --text-muted: #94a3b8;
    --bg-white: #ffffff;
    --bg-light: #f8faff;
    --border: rgba(0, 0, 0, 0.07);

    --radius-sm: 8px;
    --radius: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);

    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --transition: all 0.35s var(--ease);
}

/* ── Reset & Base ── */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', 'Noto Sans HK', system-ui, sans-serif;
    color: var(--text-body);
    background: var(--bg-white);
    overflow-x: hidden;
    line-height: 1.7;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Outfit', 'Noto Sans HK', sans-serif;
    font-weight: 800;
    color: var(--text-dark);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

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

img {
    max-width: 100%;
    height: auto;
}

/* ── Section Commons ── */
.section-padding {
    padding: 100px 0;
}

.section-label {
    text-align: center;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 900;
    color: var(--text-dark);
    position: relative;
    padding-bottom: 20px;
    margin-bottom: 0;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 4px;
    border-radius: 99px;
    background: linear-gradient(90deg, var(--accent), var(--blue));
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 0;
}


/* ══════════════════════════════════════
   NAVBAR
══════════════════════════════════════ */
.glass-nav {
    border-radius: var(--radius-xl);
    background: rgba(255, 255, 255, 0.88) !important;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid rgba(255, 255, 255, 0.55);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    transition: var(--transition);
}

.glass-nav .navbar-brand {
    color: var(--blue) !important;
    font-weight: 900;
    font-size: 1.15rem;
    letter-spacing: -0.03em;
}

.glass-nav .nav-link {
    color: var(--text-dark) !important;
    font-weight: 600;
    font-size: 0.88rem;
    padding: 6px 14px !important;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.glass-nav .nav-link:hover {
    color: var(--accent) !important;
    background: var(--blue-light);
}

.nav-cta {
    background: var(--blue) !important;
    color: white !important;
    border-radius: var(--radius) !important;
}

/* Higher specificity to beat .glass-nav .nav-link colour override */
.glass-nav .nav-link.nav-cta {
    color: white !important;
}

.glass-nav .nav-link.nav-cta:hover {
    color: white !important;
    background: var(--blue-mid) !important;
}

.nav-cta:hover {
    background: var(--blue-mid) !important;
    color: white !important;
}


/* ══════════════════════════════════════
   HERO
══════════════════════════════════════ */
.hero-section {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero-background {
    position: absolute;
    inset: 0;
    background-image: url('img/hero_bg.jpg');
    background-size: cover;
    background-position: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
            rgba(0, 22, 66, 0.93) 0%,
            rgba(0, 51, 102, 0.86) 45%,
            rgba(59, 130, 246, 0.72) 100%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

.particle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    animation: floatParticle linear infinite;
}

@keyframes floatParticle {
    0% {
        transform: translateY(0) scale(1);
        opacity: 0;
    }

    10% {
        opacity: 1;
    }

    90% {
        opacity: 1;
    }

    100% {
        transform: translateY(-100vh) scale(0.5);
        opacity: 0;
    }
}

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

.hero-text-col {
    color: white;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.28);
    backdrop-filter: blur(8px);
    border-radius: 99px;
    padding: 8px 20px;
    font-size: 0.83rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.95);
    letter-spacing: 0.05em;
}

.hero-title {
    font-size: clamp(2.8rem, 7vw, 5rem);
    font-weight: 900;
    color: white;
    line-height: 1.05;
    margin-bottom: 20px;
    letter-spacing: -0.03em;
}

.hero-title-en {
    font-size: 0.5em;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.62);
    letter-spacing: 0.1em;
    display: block;
    margin-top: 4px;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.78);
    margin-bottom: 30px;
    line-height: 1.9;
}

.hero-subtitle strong {
    color: white;
    font-weight: 700;
}

.hero-stats {
    margin-bottom: 40px;
}

.hero-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-num {
    font-size: 1.8rem;
    font-weight: 900;
    color: white;
    line-height: 1;
}

.stat-label {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.58);
    margin-top: 4px;
    font-weight: 500;
    letter-spacing: 0.05em;
}

.hero-stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.22);
    align-self: center;
}

.btn-hero-primary {
    background: white;
    color: var(--blue);
    border-radius: var(--radius);
    font-weight: 700;
    padding: 14px 32px;
    font-size: 1rem;
    border: none;
    transition: var(--transition);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.btn-hero-primary:hover {
    background: var(--blue-light);
    transform: translateY(-3px);
    box-shadow: 0 16px 30px rgba(0, 0, 0, 0.2);
    color: var(--blue);
}

.btn-hero-outline {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.48);
    border-radius: var(--radius);
    font-weight: 700;
    padding: 14px 32px;
    font-size: 1rem;
    transition: var(--transition);
}

.btn-hero-outline:hover {
    background: rgba(255, 255, 255, 0.14);
    border-color: white;
    color: white;
    transform: translateY(-3px);
}

/* Profile image with animated rings */
.profile-wrapper {
    position: relative;
    display: inline-block;
}

.profile-ring {
    position: absolute;
    inset: -20px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.2);
    animation: spinRing 12s linear infinite;
}

.profile-ring-2 {
    position: absolute;
    inset: -40px;
    border-radius: 50%;
    border: 1px dashed rgba(255, 255, 255, 0.14);
    animation: spinRing 20s linear infinite reverse;
}

@keyframes spinRing {
    to {
        transform: rotate(360deg);
    }
}

.profile-img {
    width: 100%;
    max-width: 340px;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    object-position: center 20%;
    border-radius: 40% 60% 60% 40% / 60% 40% 60% 40%;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
    border: 4px solid rgba(255, 255, 255, 0.2);
    animation: morphShape 8s ease-in-out infinite;
}

@keyframes morphShape {

    0%,
    100% {
        border-radius: 40% 60% 60% 40% / 60% 40% 60% 40%;
    }

    50% {
        border-radius: 60% 40% 40% 60% / 40% 60% 40% 60%;
    }
}

.hero-scroll-hint {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    color: rgba(255, 255, 255, 0.45);
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    animation: bounceDown 2s ease-in-out infinite;
}

@keyframes bounceDown {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(8px);
    }
}


/* ══════════════════════════════════════
   ABOUT
══════════════════════════════════════ */
.about-section {
    background: var(--bg-white);
}

/* Biography text block */
.about-bio {
    max-width: 840px;
    margin: 48px auto 0;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 40px 48px;
    border: 1.5px solid var(--border);
}

.about-bio p {
    font-size: 1rem;
    line-height: 1.85;
    color: var(--text-body);
    margin-bottom: 1.2em;
}

.about-bio p:last-child {
    margin-bottom: 0;
}

.about-bio strong {
    color: var(--text-dark);
    font-weight: 700;
}

.about-bio a {
    color: var(--blue-mid);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: rgba(0, 85, 170, 0.35);
    transition: var(--transition);
}

.about-bio a:hover {
    color: var(--accent);
    text-decoration-color: var(--accent);
}

/* Award banner */
.about-award {
    max-width: 840px;
    margin: 24px auto 0;
    display: flex;
    align-items: center;
    gap: 24px;
    background: linear-gradient(135deg, var(--blue) 0%, var(--blue-mid) 100%);
    border-radius: var(--radius-lg);
    padding: 28px 40px;
    color: white;
}

.about-award__icon {
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.18);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    flex-shrink: 0;
    color: #ffd700;
}

.about-award__year {
    display: block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 6px;
}

.about-award__text p {
    margin: 0;
    font-size: 0.98rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

.about-award__text strong {
    color: white;
    font-size: 1.05rem;
}

/* About pillar cards */
.about-card {
    background: var(--bg-white);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    height: 100%;
    transition: var(--transition);
    cursor: default;
}

.about-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.about-icon-wrap {
    width: 64px;
    height: 64px;
    border-radius: var(--radius);
    background: var(--blue-light);
    color: var(--accent);
    font-size: 1.6rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

/* Base card typography — must come BEFORE accent overrides */
.about-card h5 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.about-card p {
    font-size: 0.92rem;
    color: var(--text-body);
    margin: 0;
    line-height: 1.7;
}

/* Accent variant — defined AFTER base so it wins */
.about-card--accent {
    background: linear-gradient(135deg, var(--blue) 0%, var(--blue-mid) 100%);
    border-color: transparent;
}

.about-card--accent h5 {
    color: white;
}

.about-card--accent p {
    color: rgba(255, 255, 255, 0.85);
}

.about-card--accent .about-icon-wrap {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}


/* ══════════════════════════════════════
   CURRENT POSITIONS
══════════════════════════════════════ */
.current-section {
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.role-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    height: 100%;
    position: relative;
    overflow: hidden;
    border: 1.5px solid var(--border);
    transition: var(--transition);
    cursor: default;
}

.role-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--blue), var(--accent));
}

.role-card--blue::before {
    background: linear-gradient(90deg, var(--accent), #60a5fa);
}

.role-card--green::before {
    background: linear-gradient(90deg, var(--green), #34d399);
}

.role-card--gold::before {
    background: linear-gradient(90deg, var(--gold), #fbbf24);
}

.role-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.role-card__index {
    position: absolute;
    top: 20px;
    right: 24px;
    font-size: 2.5rem;
    font-weight: 900;
    color: rgba(0, 0, 0, 0.05);
    letter-spacing: -0.05em;
    line-height: 1;
}

.role-card__icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius);
    background: var(--blue-light);
    color: var(--blue);
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: var(--transition);
}

.role-card--blue .role-card__icon {
    background: #dbeafe;
    color: var(--accent);
}

.role-card--green .role-card__icon {
    background: #ccfbf1;
    color: var(--green);
}

.role-card--gold .role-card__icon {
    background: #fef3c7;
    color: #d97706;
}

.role-card:hover .role-card__icon {
    transform: scale(1.1) rotate(-5deg);
}

.role-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
    line-height: 1.4;
}

.role-badge {
    display: inline-block;
    background: var(--blue-light);
    color: var(--blue);
    font-size: 0.78rem;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 99px;
}

.role-card--blue .role-badge {
    background: #dbeafe;
    color: var(--accent);
}

.role-card--green .role-badge {
    background: #ccfbf1;
    color: #0d9488;
}

.role-card--gold .role-badge {
    background: #fef3c7;
    color: #d97706;
}


/* ══════════════════════════════════════
   INSTRUCTOR / CERTS
══════════════════════════════════════ */
.instructor-section {
    background: var(--bg-white);
}

.cert-card {
    background: white;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 24px;
    text-align: center;
    height: 100%;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    cursor: default;
}

.cert-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

/* Base cert typography — comes BEFORE featured overrides */
.cert-card--featured {
    background: linear-gradient(135deg, #1e0b44 0%, #3b0c81 100%);
    border-color: transparent;
}

.cert-glow {
    position: absolute;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    top: -30px;
    right: -30px;
    background: rgba(59, 130, 246, 0.12);
    filter: blur(20px);
    pointer-events: none;
}

.cert-glow--blue {
    background: rgba(59, 130, 246, 0.15);
}

.cert-glow--gold {
    background: rgba(251, 191, 36, 0.2);
}

.cert-glow--purple {
    background: rgba(167, 139, 250, 0.35);
}

.cert-icon {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    background: var(--blue-light);
    color: var(--blue);
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: var(--transition);
}

.cert-icon--blue {
    background: #dbeafe;
    color: var(--accent);
}

.cert-icon--gold {
    background: #fef3c7;
    color: #d97706;
}

.cert-icon--purple {
    background: rgba(255, 255, 255, 0.15);
    color: #c4b5fd;
}

.cert-card:hover .cert-icon {
    transform: scale(1.15) rotate(8deg);
}

.cert-card h5 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

/* Featured (dark) variant overrides — defined AFTER base so they win */
.cert-card--featured h5 {
    color: white;
}

.cert-card--featured p {
    color: rgba(255, 255, 255, 0.72);
}

.cert-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}


/* ══════════════════════════════════════
   PAST POSITIONS — tag layout, no images
══════════════════════════════════════ */
.past-section {
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.past-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    position: relative;
    padding-left: 28px;
}

.past-grid::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 10px;
    width: 2px;
    background: linear-gradient(180deg, var(--accent), var(--blue));
    border-radius: 99px;
}

.past-item {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    padding: 24px 0;
    position: relative;
    transition: var(--transition);
}

.past-item:not(:last-child) {
    border-bottom: 1px solid var(--border);
}

.past-item__dot {
    position: absolute;
    left: -22px;
    top: 32px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--blue);
    border: 2px solid white;
    box-shadow: 0 0 0 3px var(--accent);
    z-index: 1;
}

.past-item__dot--blue {
    background: var(--accent);
    box-shadow: 0 0 0 3px #93c5fd;
}

.past-item__dot--green {
    background: var(--green);
    box-shadow: 0 0 0 3px #6ee7b7;
}

.past-item__dot--gold {
    background: var(--gold);
    box-shadow: 0 0 0 3px #fde68a;
}

.past-item__content {
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1;
}

.past-item__org {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.3;
}

.past-item__roles {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.past-tag {
    display: inline-block;
    background: white;
    border: 1.5px solid rgba(0, 51, 102, 0.14);
    color: var(--blue);
    font-size: 0.78rem;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 99px;
    transition: var(--transition);
}

.past-tag:hover {
    background: var(--blue);
    color: white;
    border-color: var(--blue);
}

.past-tag--blue {
    border-color: rgba(59, 130, 246, 0.2);
    color: var(--accent);
}

.past-tag--blue:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.past-tag--green {
    border-color: rgba(46, 196, 182, 0.25);
    color: #0d9488;
}

.past-tag--green:hover {
    background: var(--green);
    color: white;
    border-color: var(--green);
}

.past-tag--gold {
    border-color: rgba(244, 162, 97, 0.3);
    color: #c2410c;
}

.past-tag--gold:hover {
    background: var(--gold);
    color: white;
    border-color: var(--gold);
}

/* Desktop: 2-column card grid */
@media (min-width: 768px) {
    .past-grid {
        grid-template-columns: 1fr 1fr;
        column-gap: 24px;
        padding-left: 0;
    }

    .past-grid::before {
        display: none;
    }

    .past-item__dot {
        display: none;
    }

    .past-item {
        background: white;
        border-radius: var(--radius);
        border: 1.5px solid var(--border) !important;
        padding: 28px;
    }

    .past-item:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow);
    }
}


/* ══════════════════════════════════════
   ACTIVITIES
══════════════════════════════════════ */
.activities-section {
    background: var(--bg-white);
}

.activities-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 768px) {
    .activities-grid {
        grid-template-columns: 1fr 1fr;
    }

    .activity-card--featured {
        grid-column: 1 / -1;
    }
}

@media (min-width: 1200px) {
    .activities-grid {
        grid-template-columns: 1fr 1fr 1fr;
    }

    /* On 3-columns, featured card spans 2 columns */
    .activity-card--featured {
        grid-column: span 2;
    }
}

.activity-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 280px;
    transition: var(--transition);
    cursor: default;
}

.activity-card--featured {
    height: 360px;
}

.activity-card:hover {
    transform: scale(1.02);
}

.activity-card__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s ease;
}

.activity-card:hover .activity-card__bg {
    transform: scale(1.06);
}

.activity-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg,
            rgba(0, 22, 66, 0.8) 0%,
            rgba(0, 22, 66, 0.55) 50%,
            rgba(0, 22, 66, 0.28) 100%);
}

.activity-card__body {
    position: absolute;
    inset: 0;
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    color: white;
}

.activity-chip {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    padding: 4px 14px;
    border-radius: 99px;
    margin-bottom: 12px;
    width: fit-content;
}

.activity-chip--red {
    background: rgba(230, 57, 70, 0.38);
}

.activity-chip--gold {
    background: rgba(244, 162, 97, 0.38);
}

.activity-chip--purple {
    background: rgba(124, 58, 237, 0.38);
}

.activity-chip--blue {
    background: rgba(59, 130, 246, 0.38);
}

.activity-card__body h3 {
    font-size: 1.6rem;
    font-weight: 800;
    color: white;
    margin-bottom: 8px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.activity-date {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.72);
    margin-bottom: 6px;
    font-weight: 500;
}

.activity-desc {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.62);
    margin: 0;
}


/* ══════════════════════════════════════
   CONTACT
══════════════════════════════════════ */
.contact-section {
    background: var(--bg-light);
}

.contact-info-card,
.contact-form-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 36px;
    height: 100%;
    box-shadow: var(--shadow-sm);
    border: 1.5px solid var(--border);
}

.contact-info-card h4,
.contact-form-card h4 {
    font-size: 1.2rem;
    color: var(--text-dark);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: var(--blue-light);
    color: var(--blue);
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 3px;
}

.contact-item p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-dark);
    font-weight: 500;
}

.contact-item a {
    color: var(--blue);
    font-weight: 600;
}

.contact-item a:hover {
    color: var(--accent);
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--blue);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: var(--transition);
}

.social-link:hover {
    transform: scale(1.15) rotate(8deg);
    color: white;
}

.social-link--insta {
    background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
}

.social-link--wa {
    background: #25d366;
}

/* Form */
.form-label {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.form-control {
    border-radius: var(--radius-sm);
    border: 1.5px solid #e2e8f0;
    background: #f8faff;
    padding: 12px 16px;
    font-size: 0.95rem;
    color: var(--text-dark);
    transition: var(--transition);
}

.form-control::placeholder {
    color: #cbd5e1;
}

.form-control:focus {
    border-color: var(--accent);
    background: white;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
    outline: none;
}

.btn-wa {
    background: linear-gradient(135deg, #25d366, #128c7e);
    color: white;
    border: none;
    border-radius: var(--radius);
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 700;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-wa:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(37, 211, 102, 0.3);
    color: white;
}


/* ══════════════════════════════════════
   FOOTER
══════════════════════════════════════ */
.site-footer {
    background: var(--blue);
    padding: 36px 0;
    color: rgba(255, 255, 255, 0.65);
}

.footer-name {
    font-size: 1.1rem;
    font-weight: 800;
    color: white;
    font-family: 'Outfit', 'Noto Sans HK', sans-serif;
}

.footer-copy {
    font-size: 0.82rem;
}


/* ══════════════════════════════════════
   DECORATIVE BLOBS
══════════════════════════════════════ */
.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(70px);
    z-index: 0;
    pointer-events: none;
}

.blob-1 {
    width: 400px;
    height: 400px;
    top: -10%;
    left: -8%;
    background: rgba(59, 130, 246, 0.12);
}

.blob-2 {
    width: 500px;
    height: 500px;
    bottom: -10%;
    right: -8%;
    background: rgba(0, 51, 102, 0.1);
}

.blob-3 {
    width: 600px;
    height: 600px;
    top: 20%;
    left: 30%;
    background: rgba(59, 130, 246, 0.07);
}


/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
@media (max-width: 991.98px) {
    .section-padding {
        padding: 70px 0;
    }

    .hero-section {
        min-height: 100svh;
    }
}

@media (max-width: 767.98px) {
    .section-padding {
        padding: 56px 0;
    }

    .hero-title {
        font-size: clamp(2.4rem, 10vw, 3.5rem);
    }

    .hero-stats {
        gap: 16px;
    }

    .stat-num {
        font-size: 1.4rem;
    }

    .about-bio {
        padding: 28px 24px;
    }

    .about-award {
        flex-direction: column;
        text-align: center;
        padding: 28px 24px;
        gap: 16px;
    }

    .activity-card {
        height: 240px;
    }

    .activity-card--featured {
        height: 280px;
    }

    .activity-card__body h3 {
        font-size: 1.3rem;
    }

    .contact-info-card,
    .contact-form-card {
        padding: 24px;
    }
}