/* ============================================
   STEAM Research Centre — Main Stylesheet
   Aesthetic: Vibrant Academic / Bold & Warm
   ============================================ */

:root {
    /* Core palette — vibrant but professional */
    --c-primary: #1a5276;
    --c-primary-light: #2471a3;
    --c-primary-vivid: #2e86c1;
    --c-accent: #e67e22;
    --c-accent-warm: #d35400;
    --c-accent-light: #f0a04b;
    --c-teal: #0e8c7f;
    --c-teal-light: #1abc9c;
    --c-coral: #e74c3c;
    --c-gold: #f39c12;

    /* Neutrals */
    --c-bg: #faf8f5;
    --c-bg-warm: #f5f0ea;
    --c-bg-alt: #eee8df;
    --c-surface: #ffffff;
    --c-text: #1c1917;
    --c-text-secondary: #57534e;
    --c-text-muted: #a8a29e;
    --c-border: #e7e0d8;
    --c-border-light: #f0ebe4;

    /* Typography */
    --f-display: 'DM Serif Display', Georgia, serif;
    --f-body: 'Plus Jakarta Sans', system-ui, sans-serif;
    --f-mono: 'JetBrains Mono', monospace;

    /* Spacing */
    --section-pad: clamp(4rem, 8vw, 7rem);
    --container-max: 1200px;

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--f-body);
    color: var(--c-text);
    background: var(--c-bg);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

/* ---- Typography ---- */
.section-tag {
    display: inline-block;
    font-family: var(--f-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--c-accent);
    background: linear-gradient(135deg, rgba(230,126,34,0.1), rgba(230,126,34,0.05));
    padding: 0.4rem 1rem;
    border-radius: 100px;
    border: 1px solid rgba(230,126,34,0.2);
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--f-display);
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    line-height: 1.2;
    color: var(--c-text);
    margin-bottom: 1rem;
}

.section-sub {
    font-size: 1.05rem;
    color: var(--c-text-secondary);
    max-width: 600px;
}

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-header .section-sub {
    margin: 0 auto;
}

.text-accent { color: var(--c-primary-vivid); }
.text-accent-alt { color: var(--c-teal); }
.text-warm { color: var(--c-accent); }

.section {
    padding: var(--section-pad) 0;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.8rem;
    border-radius: 8px;
    font-family: var(--f-body);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.35s var(--ease-out);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--c-accent), var(--c-accent-warm));
    color: #fff;
    box-shadow: 0 4px 15px rgba(230,126,34,0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(230,126,34,0.4);
}

.btn-outline {
    border-color: var(--c-primary-light);
    color: var(--c-primary);
    background: transparent;
}

.btn-outline:hover {
    background: var(--c-primary);
    color: #fff;
    border-color: var(--c-primary);
    transform: translateY(-2px);
}

.btn-outline-light {
    border-color: rgba(255,255,255,0.5);
    color: #fff;
    background: transparent;
}

.btn-outline-light:hover {
    background: rgba(255,255,255,0.15);
    border-color: #fff;
}

.btn-sm { padding: 0.6rem 1.4rem; font-size: 0.85rem; }
.btn-lg { padding: 1rem 2.2rem; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

/* ---- Navigation ---- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(250,248,245,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all 0.4s var(--ease-out);
}

.nav.scrolled {
    border-bottom-color: var(--c-border);
    box-shadow: 0 2px 20px rgba(0,0,0,0.06);
}

.nav-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 clamp(1.25rem, 4vw, 2.5rem);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 2px;
    font-family: var(--f-display);
    font-size: 1.5rem;
    color: var(--c-primary);
}

.logo-s {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--c-accent), var(--c-accent-warm));
    color: #fff;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1.2rem;
}

.logo-text {
    margin-left: 4px;
    font-weight: 400;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.75rem;
}

.nav-links a {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--c-text-secondary);
    transition: color 0.25s;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--c-accent);
    border-radius: 2px;
    transition: width 0.3s var(--ease-out);
}

.nav-links a:hover::after { width: 100%; }

.nav-cta {
    background: linear-gradient(135deg, var(--c-accent), var(--c-accent-warm)) !important;
    color: #fff !important;
    padding: 0.5rem 1.2rem;
    border-radius: 6px;
    font-weight: 600 !important;
    box-shadow: 0 2px 10px rgba(230,126,34,0.25);
}

.nav-cta::after { display: none !important; }
.nav-cta:hover { box-shadow: 0 4px 15px rgba(230,126,34,0.4) !important; transform: translateY(-1px); }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--c-text);
    border-radius: 2px;
    transition: all 0.3s;
}

/* ---- Hero ---- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 72px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 80%, rgba(26,82,118,0.12) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 20%, rgba(230,126,34,0.1) 0%, transparent 50%),
        radial-gradient(ellipse 50% 40% at 50% 50%, rgba(14,140,127,0.08) 0%, transparent 50%),
        linear-gradient(180deg, var(--c-bg) 0%, var(--c-bg-warm) 50%, var(--c-bg) 100%);
}

.hero-mesh {
    position: absolute;
    inset: 0;
    opacity: 0.03;
    background-image:
        linear-gradient(var(--c-primary) 1px, transparent 1px),
        linear-gradient(90deg, var(--c-primary) 1px, transparent 1px);
    background-size: 60px 60px;
}

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

.hero-particle {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    opacity: 0.15;
    animation: particleFloat 12s infinite ease-in-out;
}

@keyframes particleFloat {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.1; }
    25% { transform: translate(30px, -40px) scale(1.2); opacity: 0.25; }
    50% { transform: translate(-20px, -80px) scale(0.8); opacity: 0.15; }
    75% { transform: translate(40px, -30px) scale(1.1); opacity: 0.2; }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 820px;
    padding: 2rem clamp(1.25rem, 4vw, 2.5rem);
}

.hero-badge {
    display: inline-block;
    font-family: var(--f-mono);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--c-primary-light);
    background: rgba(26,82,118,0.07);
    border: 1px solid rgba(26,82,118,0.15);
    padding: 0.5rem 1.5rem;
    border-radius: 100px;
    margin-bottom: 2rem;
}

.hero-title {
    font-family: var(--f-display);
    font-size: clamp(2.5rem, 6.5vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--c-text);
}

.hero-sub {
    font-size: clamp(1rem, 2vw, 1.15rem);
    color: var(--c-text-secondary);
    max-width: 600px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
}

.stat { text-align: center; }

.stat-num {
    display: block;
    font-family: var(--f-display);
    font-size: 2rem;
    color: var(--c-primary);
    line-height: 1.1;
}

.stat-label {
    font-size: 0.78rem;
    color: var(--c-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--c-border);
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--c-text-muted);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--c-accent), transparent);
    animation: scrollPulse 2s infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ---- About ---- */
.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.about-desc {
    font-size: 1.02rem;
    color: var(--c-text-secondary);
    margin-bottom: 1.2rem;
    line-height: 1.8;
}

.about-img-wrapper {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.1);
}

.about-img-wrapper img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
}

.about-img-accent {
    position: absolute;
    inset: 0;
    border-radius: 16px;
    border: 2px solid transparent;
    background: linear-gradient(135deg, rgba(230,126,34,0.2), transparent 50%) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
}

/* ---- Vision & Mission ---- */
.vision-mission {
    background: linear-gradient(180deg, var(--c-bg-warm) 0%, var(--c-bg) 100%);
}

.vm-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.vm-card {
    padding: 2.5rem;
    border-radius: 16px;
    background: var(--c-surface);
    border: 1px solid var(--c-border-light);
    box-shadow: 0 4px 24px rgba(0,0,0,0.04);
}

.vm-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    margin-bottom: 1.5rem;
}

.vm-vision .vm-icon {
    background: linear-gradient(135deg, rgba(26,82,118,0.1), rgba(46,134,193,0.08));
    color: var(--c-primary-vivid);
}

.vm-mission .vm-icon {
    background: linear-gradient(135deg, rgba(230,126,34,0.1), rgba(211,84,0,0.08));
    color: var(--c-accent);
}

.vm-card h3 {
    font-family: var(--f-display);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--c-text);
}

.vm-card p {
    color: var(--c-text-secondary);
    line-height: 1.8;
}

.vm-card ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.vm-card li {
    position: relative;
    padding-left: 1.5rem;
    color: var(--c-text-secondary);
    line-height: 1.6;
}

.vm-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--c-accent), var(--c-accent-warm));
}

/* ---- Values ---- */
.values { background: var(--c-bg); }

.values-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
}

.value-card {
    padding: 2rem 1.5rem;
    border-radius: 12px;
    background: var(--c-surface);
    border: 1px solid var(--c-border-light);
    transition: all 0.4s var(--ease-out);
    position: relative;
    overflow: hidden;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--c-accent), var(--c-teal));
    opacity: 0;
    transition: opacity 0.3s;
}

.value-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.08);
}

.value-card:hover::before { opacity: 1; }

.value-number {
    font-family: var(--f-mono);
    font-size: 0.72rem;
    color: var(--c-accent);
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.value-card h4 {
    font-family: var(--f-display);
    font-size: 1.15rem;
    margin-bottom: 0.6rem;
}

.value-card p {
    font-size: 0.88rem;
    color: var(--c-text-secondary);
    line-height: 1.6;
}

/* ---- Services ---- */
.services {
    background: linear-gradient(180deg, var(--c-bg) 0%, var(--c-bg-warm) 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.75rem;
}

.service-card {
    padding: 2.5rem;
    border-radius: 16px;
    background: var(--c-surface);
    border: 1px solid var(--c-border-light);
    position: relative;
    overflow: hidden;
    transition: all 0.4s var(--ease-out);
}

.service-accent {
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    border-radius: 0 2px 2px 0;
    transition: height 0.5s var(--ease-out);
}

.service-card:nth-child(1) .service-accent { background: linear-gradient(to bottom, var(--c-primary-vivid), var(--c-teal)); }
.service-card:nth-child(2) .service-accent { background: linear-gradient(to bottom, var(--c-accent), var(--c-gold)); }
.service-card:nth-child(3) .service-accent { background: linear-gradient(to bottom, var(--c-teal), var(--c-primary-vivid)); }
.service-card:nth-child(4) .service-accent { background: linear-gradient(to bottom, var(--c-coral), var(--c-accent)); }

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.08);
}

.service-card:hover .service-accent {
    height: 100%;
}

.service-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(26,82,118,0.08), rgba(46,134,193,0.05));
    color: var(--c-primary-vivid);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-family: var(--f-display);
    font-size: 1.25rem;
    margin-bottom: 0.8rem;
}

.service-card p {
    color: var(--c-text-secondary);
    font-size: 0.92rem;
    line-height: 1.7;
    margin-bottom: 1.2rem;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.service-tags li {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.3rem 0.8rem;
    border-radius: 100px;
    background: var(--c-bg-warm);
    color: var(--c-text-secondary);
    border: 1px solid var(--c-border-light);
}

/* ---- Conferences ---- */
.conferences {
    background: var(--c-bg-warm);
}

/* Featured Banner — ICCR 2026 */
.conf-featured-banner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-radius: 20px;
    overflow: hidden;
    background: linear-gradient(135deg, #0c2d48 0%, var(--c-primary) 40%, #145a7e 100%);
    color: #fff;
    margin-bottom: 2rem;
    box-shadow: 0 16px 48px rgba(26,82,118,0.25);
    position: relative;
}

.conf-featured-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.04;
    background-image: radial-gradient(circle at 2px 2px, rgba(255,255,255,0.5) 1px, transparent 0);
    background-size: 30px 30px;
    pointer-events: none;
}

.conf-featured-left {
    padding: 3rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: relative;
    z-index: 1;
}

.conf-featured-left .conf-badge {
    background: rgba(230,126,34,0.2);
    color: var(--c-accent-light);
    border: 1px solid rgba(230,126,34,0.35);
    margin-bottom: 1.25rem;
}

.conf-featured-title {
    font-family: var(--f-display);
    font-size: 2.5rem;
    line-height: 1.1;
    margin-bottom: 0.4rem;
}

.conf-featured-fullname {
    font-size: 1rem;
    opacity: 0.75;
    margin-bottom: 0.75rem;
    line-height: 1.5;
}

.conf-featured-theme {
    font-style: italic;
    font-size: 0.92rem;
    opacity: 0.6;
    margin-bottom: 2rem;
    line-height: 1.6;
    max-width: 400px;
}

.conf-featured-left .btn-primary {
    background: var(--c-accent);
    box-shadow: 0 4px 20px rgba(230,126,34,0.35);
}

.conf-featured-left .btn-primary:hover {
    background: var(--c-accent-warm);
    box-shadow: 0 6px 25px rgba(230,126,34,0.5);
}

.conf-featured-right {
    padding: 3rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    justify-content: center;
    background: rgba(0,0,0,0.12);
    position: relative;
    z-index: 1;
    border-left: 1px solid rgba(255,255,255,0.08);
}

.conf-featured-detail {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.conf-featured-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.1);
    flex-shrink: 0;
    color: var(--c-accent-light);
}

.conf-featured-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    opacity: 0.5;
    margin-bottom: 0.15rem;
}

.conf-featured-detail strong {
    font-size: 0.92rem;
    font-weight: 600;
    line-height: 1.4;
}

/* Generic badge */
.conf-badge {
    display: inline-block;
    font-family: var(--f-mono);
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.35rem 0.9rem;
    border-radius: 100px;
    width: fit-content;
}

.conf-badge-past {
    background: rgba(168,162,158,0.12);
    color: var(--c-text-muted);
    border: 1px solid rgba(168,162,158,0.25);
}

.conf-badge-workshop {
    background: rgba(14,140,127,0.1);
    color: var(--c-teal);
    border: 1px solid rgba(14,140,127,0.2);
}

/* Past events row */
.conf-past-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.75rem;
}

.conf-past-card {
    padding: 2rem 2.25rem;
    border-radius: 16px;
    background: var(--c-surface);
    border: 1px solid var(--c-border-light);
    transition: all 0.4s var(--ease-out);
}

.conf-past-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.06);
}

.conf-past-top {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}

.conf-past-top h4 {
    font-family: var(--f-display);
    font-size: 1.35rem;
}

.conf-past-fullname {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--c-primary-light);
    margin-bottom: 0.6rem;
    line-height: 1.4;
}

.conf-past-desc {
    font-size: 0.88rem;
    color: var(--c-text-secondary);
    line-height: 1.75;
}

/* ---- Impact ---- */
.impact {
    background: linear-gradient(180deg, var(--c-bg-warm) 0%, var(--c-bg) 100%);
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
}

.impact-card {
    text-align: center;
    padding: 2rem 1.25rem;
    border-radius: 12px;
    background: var(--c-surface);
    border: 1px solid var(--c-border-light);
    transition: all 0.4s var(--ease-out);
}

.impact-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.06);
}

.impact-icon-wrap {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    margin: 0 auto 1.25rem;
    color: #fff;
}

.impact-card:nth-child(1) .impact-icon-wrap { background: linear-gradient(135deg, var(--c-primary-vivid), var(--c-primary)); }
.impact-card:nth-child(2) .impact-icon-wrap { background: linear-gradient(135deg, var(--c-accent), var(--c-accent-warm)); }
.impact-card:nth-child(3) .impact-icon-wrap { background: linear-gradient(135deg, var(--c-teal), var(--c-teal-light)); }
.impact-card:nth-child(4) .impact-icon-wrap { background: linear-gradient(135deg, var(--c-gold), var(--c-accent)); }
.impact-card:nth-child(5) .impact-icon-wrap { background: linear-gradient(135deg, var(--c-coral), #c0392b); }

.impact-card h4 {
    font-family: var(--f-display);
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
}

.impact-card p {
    font-size: 0.82rem;
    color: var(--c-text-secondary);
    line-height: 1.5;
}

/* ---- Gallery / Slider ---- */
.gallery { background: var(--c-bg); overflow: hidden; }

.slider-container {
    max-width: 100%;
    position: relative;
    padding: 0 0 2rem;
}

.slider {
    overflow: hidden;
    cursor: grab;
    padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

.slider:active { cursor: grabbing; }

.slider-track {
    display: flex;
    gap: 1.25rem;
    transition: transform 0.6s var(--ease-out);
    will-change: transform;
}

.slide {
    flex: 0 0 calc(33.333% - 0.85rem);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    transition: all 0.4s var(--ease-out);
}

.slide:hover {
    transform: scale(1.02);
    box-shadow: 0 16px 40px rgba(0,0,0,0.12);
}

.slide img {
    width: 100%;
    aspect-ratio: 3/2;
    object-fit: cover;
    transition: transform 0.6s var(--ease-out);
}

.slide:hover img { transform: scale(1.05); }

.slider-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2rem;
}

.slider-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid var(--c-border);
    background: var(--c-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    color: var(--c-text-secondary);
}

.slider-btn:hover {
    background: var(--c-primary);
    border-color: var(--c-primary);
    color: #fff;
}

.slider-dots {
    display: flex;
    gap: 8px;
}

.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--c-border);
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    padding: 0;
}

.slider-dot.active {
    background: var(--c-accent);
    transform: scale(1.2);
}

/* ---- Partners ---- */
.partners {
    background: var(--c-bg-warm);
}

.partners-image {
    max-width: 700px;
    margin: 0 auto 3rem;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.08);
    border: 1px solid var(--c-border-light);
    background: #fff;
}

.partners-image img {
    width: 100%;
}

.partner-cta {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.partner-cta h3 {
    font-family: var(--f-display);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.partner-cta p {
    color: var(--c-text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

/* ---- Contact ---- */
.contact {
    background: var(--c-bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.contact-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(26,82,118,0.08), rgba(46,134,193,0.05));
    color: var(--c-primary-vivid);
    flex-shrink: 0;
}

.contact-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--c-text-muted);
    margin-bottom: 0.2rem;
}

.contact-item a, .contact-item span {
    font-size: 0.95rem;
    color: var(--c-text);
}

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

.contact-form-wrap {
    padding: 2.5rem;
    border-radius: 16px;
    background: var(--c-surface);
    border: 1px solid var(--c-border-light);
    box-shadow: 0 8px 30px rgba(0,0,0,0.04);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--c-text);
    margin-bottom: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1.5px solid var(--c-border);
    border-radius: 8px;
    font-family: var(--f-body);
    font-size: 0.92rem;
    color: var(--c-text);
    background: var(--c-bg);
    transition: border-color 0.3s, box-shadow 0.3s;
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--c-primary-vivid);
    box-shadow: 0 0 0 3px rgba(46,134,193,0.12);
}

.form-group textarea { resize: vertical; min-height: 100px; }

/* ---- Footer ---- */
.footer {
    background: var(--c-text);
    color: rgba(255,255,255,0.7);
    padding: 4rem 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand p {
    margin-top: 1rem;
    font-size: 0.88rem;
    line-height: 1.7;
    opacity: 0.6;
}

.footer-brand .nav-logo {
    color: #fff;
}

.footer-brand .logo-s {
    background: linear-gradient(135deg, var(--c-accent), var(--c-accent-warm));
}

.footer-links h4 {
    color: #fff;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 1.25rem;
}

.footer-links a,
.footer-links span {
    display: block;
    font-size: 0.88rem;
    color: rgba(255,255,255,0.5);
    margin-bottom: 0.6rem;
    transition: color 0.25s;
}

.footer-links a:hover { color: var(--c-accent-light); }

.footer-bottom {
    padding: 1.5rem 0;
    text-align: center;
    font-size: 0.8rem;
    opacity: 0.4;
}

/* ---- Animations ---- */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

[data-animate].animated {
    opacity: 1;
    transform: translateY(0);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .values-grid { grid-template-columns: repeat(3, 1fr); }
    .impact-grid { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(250,248,245,0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
    }

    .nav-links.active { display: flex; }
    .nav-toggle { display: flex; }

    .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .nav-toggle.active span:nth-child(2) { opacity: 0; }
    .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

    .hero-title { font-size: clamp(2rem, 8vw, 3rem); }
    .about-grid { grid-template-columns: 1fr; gap: 2rem; }
    .vm-grid { grid-template-columns: 1fr; }
    .values-grid { grid-template-columns: 1fr 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .conf-featured-banner { grid-template-columns: 1fr; }
    .conf-featured-right { border-left: none; border-top: 1px solid rgba(255,255,255,0.08); }
    .conf-featured-title { font-size: 2rem; }
    .conf-past-grid { grid-template-columns: 1fr; }
    .impact-grid { grid-template-columns: 1fr 1fr; }
    .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
    .hero-stats { gap: 1.25rem; }
    .stat-num { font-size: 1.5rem; }

    .slide { flex: 0 0 calc(50% - 0.625rem); }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 480px) {
    .values-grid { grid-template-columns: 1fr; }
    .impact-grid { grid-template-columns: 1fr; }
    .slide { flex: 0 0 85%; }
    .hero-stats { flex-direction: column; gap: 1rem; }
    .stat-divider { width: 40px; height: 1px; }
}