/* ============================================
   TN-NOVATE SDG Innovation Expo — Design System
   Theme: Warm Forest Green + Amber + Clean White
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Inter:wght@400;500;600&display=swap');

/* ── Tokens ── */
:root {
    --green-900: #0a2e1a;
    --green-800: #103d24;
    --green-700: #1a5733;
    --green-600: #22703f;
    --green-500: #2d9152;
    --green-400: #3ab368;
    --green-300: #6dcf94;
    --green-100: #d4f5e3;
    --green-50: #f0fdf5;

    --amber-500: #f59e0b;
    --amber-400: #fbbf24;
    --amber-300: #fcd34d;
    --amber-100: #fef3c7;

    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-500: #6b7280;
    --gray-700: #374151;
    --gray-900: #111827;

    --clr-bg: var(--gray-50);
    --clr-surface: var(--white);
    --clr-border: var(--gray-200);
    --clr-text: var(--gray-900);
    --clr-muted: var(--gray-500);
    --clr-primary: var(--green-600);
    --clr-primary-light: var(--green-100);
    --clr-accent: var(--amber-500);

    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;

    --nav-h: 72px;
    --r-sm: 8px;
    --r-md: 14px;
    --r-lg: 20px;
    --r-xl: 28px;
    --r-full: 9999px;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, .1);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, .12);
    --shadow-green: 0 8px 28px rgba(34, 112, 63, .22);

    --t-fast: 0.18s cubic-bezier(.4, 0, .2, 1);
    --t-normal: 0.28s cubic-bezier(.4, 0, .2, 1);
    --t-slow: 0.48s cubic-bezier(.4, 0, .2, 1);

    --s1: 4px;
    --s2: 8px;
    --s3: 12px;
    --s4: 16px;
    --s5: 24px;
    --s6: 32px;
    --s7: 40px;
    --s8: 48px;
    --s10: 64px;
    --s12: 80px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    background: var(--clr-bg);
    color: var(--clr-text);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

img {
    display: block;
    max-width: 100%;
}

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

button {
    border: none;
    background: none;
    cursor: pointer;
    font: inherit;
}

/* ── Skip link ── */
.skip-link {
    position: absolute;
    top: -99px;
    left: var(--s4);
    z-index: 1000;
    background: var(--clr-primary);
    color: #fff;
    padding: 8px 16px;
    border-radius: 0 0 var(--r-sm) var(--r-sm);
    font-weight: 600;
    transition: top var(--t-fast);
}

.skip-link:focus {
    top: 0;
}

/* ── Container ── */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--s5);
}

/* ═══════════════════════════
   NAVBAR
═══════════════════════════ */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, .95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--clr-border);
    transition: box-shadow var(--t-normal);
    height: var(--nav-h);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--s5);
    height: 100%;
    display: flex;
    align-items: center;
    gap: var(--s5);
}

.navbar__brand {
    display: flex;
    align-items: center;
    gap: var(--s3);
    flex-shrink: 0;
}

.navbar__logo {
    height: 42px;
    width: auto;
}

.navbar__name {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 700;
    color: var(--green-800);
    line-height: 1.2;
}

.navbar__name span {
    display: block;
    font-size: 11px;
    font-weight: 500;
    color: var(--green-600);
    letter-spacing: 0.04em;
}

.navbar__links {
    display: flex;
    align-items: center;
    gap: var(--s5);
    margin-left: auto;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
    position: relative;
    padding-bottom: 2px;
    transition: color var(--t-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--clr-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--t-normal);
}

.nav-link:hover {
    color: var(--clr-primary);
}

.nav-link:hover::after {
    transform: scaleX(1);
}

.navbar__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--s2);
}

.navbar__hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: var(--t-normal);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: var(--r-full);
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    transition: all var(--t-normal);
    cursor: pointer;
    white-space: nowrap;
}

.btn-primary {
    background: var(--green-600);
    color: #fff;
    box-shadow: var(--shadow-green);
}

.btn-primary:hover {
    background: var(--green-700);
    box-shadow: 0 10px 32px rgba(34, 112, 63, .35);
    transform: translateY(-2px);
}

.btn-ghost {
    border: 2px solid var(--green-600);
    color: var(--green-600);
    background: transparent;
}

.btn-ghost:hover {
    background: var(--green-600);
    color: #fff;
}

.btn-amber {
    background: var(--amber-500);
    color: #fff;
}

.btn-amber:hover {
    background: #d97706;
    transform: translateY(-2px);
}

/* Mobile menu */
.mobile-menu {
    display: none;
}

.mobile-menu.is-open {
    display: block;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--clr-border);
    box-shadow: var(--shadow-lg);
    z-index: 99;
}

.mobile-menu__inner {
    padding: var(--s4) var(--s5);
    display: flex;
    flex-direction: column;
    gap: var(--s2);
}

.mobile-menu__link {
    padding: var(--s3) 0;
    font-weight: 500;
    color: var(--gray-700);
    border-bottom: 1px solid var(--clr-border);
}

.mobile-menu__link:last-of-type {
    border-bottom: none;
}

/* ═══════════════════════════
   MARQUEE
═══════════════════════════ */
.announcement-bar {
    background: linear-gradient(90deg, var(--green-700), var(--green-600));
    color: #fff;
    height: 38px;
    overflow: hidden;
    display: flex;
    align-items: center;
    position: sticky;
    top: var(--nav-h);
    z-index: 90;
}

.marquee-track {
    display: flex;
    overflow: hidden;
    width: 100%;
}

.marquee-content {
    display: flex;
    align-items: center;
    gap: var(--s6);
    padding: 0 var(--s6);
    white-space: nowrap;
    animation: marqueeSroll 28s linear infinite;
    flex-shrink: 0;
}

.marquee-content a {
    color: var(--amber-300);
    font-weight: 700;
    text-decoration: underline;
}

.marquee-content a:hover {
    color: var(--amber-400);
}

.marquee-content .pill {
    background: rgba(255, 255, 255, .18);
    border: 1px solid rgba(255, 255, 255, .35);
    padding: 2px 10px;
    border-radius: var(--r-full);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .08em;
}

@keyframes marqueeSroll {
    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(-50%);
    }
}

/* ═══════════════════════════
   LOADER
═══════════════════════════ */
#loader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--green-800);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: var(--s5);
    transition: opacity .5s ease;
}

.loader-logo {
    height: 56px;
}

.loader-wordmark {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    letter-spacing: .12em;
}

.loader-bar {
    width: 160px;
    height: 3px;
    background: rgba(255, 255, 255, .2);
    border-radius: 2px;
    overflow: hidden;
}

.loader-bar::after {
    content: '';
    display: block;
    height: 100%;
    background: var(--amber-400);
    animation: loaderFill 1.2s ease forwards;
}

@keyframes loaderFill {
    from {
        width: 0;
    }

    to {
        width: 100%;
    }
}

/* ═══════════════════════════
   HERO
═══════════════════════════ */
.hero {
    position: relative;
    overflow: hidden;
    min-height: calc(100vh - var(--nav-h) - 38px);
    display: flex;
    align-items: center;
    background: var(--green-900);
    color: #fff;
}

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

.hero__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(.28) saturate(.8);
}

.hero__overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(135deg, rgba(10, 46, 26, 0.85) 0%, rgba(16, 61, 36, 0.65) 100%);
}

.hero__overlay::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent, rgba(34, 112, 63, 0.1), transparent);
    background-size: 100% 200px;
    animation: scanline 8s linear infinite;
    pointer-events: none;
    opacity: 0.4;
}

.hero__orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 1;
    pointer-events: none;
}

.hero__orb--1 {
    width: 480px;
    height: 480px;
    background: rgba(45, 145, 82, .35);
    top: -120px;
    right: -80px;
    animation: orbFloat 9s ease-in-out infinite;
}

.hero__orb--2 {
    width: 340px;
    height: 340px;
    background: rgba(245, 158, 11, .18);
    bottom: -60px;
    left: 5%;
    animation: orbFloat 12s ease-in-out infinite reverse;
}

@keyframes orbFloat {

    0%,
    100% {
        transform: translateY(0)
    }

    50% {
        transform: translateY(-30px)
    }
}

/* ── Hero Animated Shapes ── */
.hero__shapes {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

.hero__shape {
    position: absolute;
    color: rgba(255, 255, 255, 0.05);
    filter: blur(1px);
    animation: float 20s ease-in-out infinite;
}

.hero__shape--gear {
    font-size: 120px;
    top: 15%;
    left: 10%;
    animation-duration: 25s;
    animation-name: float, rotate;
}

.hero__shape--bolt {
    font-size: 40px;
    bottom: 25%;
    right: 15%;
    animation-duration: 18s;
    animation-delay: -5s;
}

.hero__shape--wrench {
    font-size: 80px;
    top: 60%;
    left: 20%;
    animation-duration: 22s;
    animation-delay: -2s;
    transform: rotate(45deg);
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0);
    }

    33% {
        transform: translate(20px, -30px);
    }

    66% {
        transform: translate(-15px, 20px);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes scanline {
    from {
        background-position: 0 -200px;
    }

    to {
        background-position: 0 100%;
    }
}

.hero__content {
    position: relative;
    z-index: 2;
    max-width: 820px;
    padding: var(--s12) 0;
}

.hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--s2);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--green-300);
    margin-bottom: var(--s5);
}

.hero__eyebrow .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--amber-400);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1)
    }

    50% {
        opacity: .6;
        transform: scale(.8)
    }
}

.hero__logos {
    display: flex;
    align-items: center;
    gap: var(--s4);
    margin-bottom: var(--s6);
    flex-wrap: wrap;
}

.hero__logos .logo-pill {
    background: rgba(255, 255, 255, .12);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: var(--r-md);
    padding: var(--s2) var(--s3);
    display: flex;
    align-items: center;
}

.hero__logos .logo-pill img {
    height: 44px;
    width: auto;
}

.hero__heading {
    font-family: var(--font-display);
    font-size: clamp(44px, 7vw, 80px);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -.02em;
    margin-bottom: var(--s5);
}

.hero__heading .accent {
    color: var(--amber-400);
}

.hero__subtext {
    font-size: clamp(16px, 2vw, 19px);
    color: rgba(255, 255, 255, .8);
    line-height: 1.7;
    max-width: 600px;
    margin-bottom: var(--s7);
}

.hero__ctas {
    display: flex;
    flex-wrap: wrap;
    gap: var(--s3);
    margin-bottom: var(--s8);
}

.hero__stats {
    display: grid;
    grid-template-columns: repeat(4, auto);
    gap: var(--s6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: var(--s6);
    border-radius: var(--r-lg);
    width: fit-content;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.hero__stat-num {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    color: var(--amber-400);
}

.hero__stat-label {
    font-size: 11px;
    color: rgba(255, 255, 255, .6);
    text-transform: uppercase;
    letter-spacing: .1em;
    margin-top: 2px;
}

/* ═══════════════════════════
   SECTIONS
═══════════════════════════ */
.section {
    padding: var(--s12) 0;
}

.section--alt {
    background: var(--green-50);
}

.section--dark {
    background: var(--green-900);
    color: #fff;
}

.section-header {
    text-align: center;
    margin-bottom: var(--s8);
}

.section-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--green-600);
    margin-bottom: var(--s3);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(28px, 4vw, 46px);
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.1;
    margin-bottom: var(--s4);
}

.section--dark .section-title {
    color: #fff;
}

.section--dark .section-label {
    color: var(--green-300);
}

.section-subtitle {
    font-size: 17px;
    color: var(--clr-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Divider line */
.divider {
    width: 48px;
    height: 3px;
    background: var(--green-600);
    border-radius: 2px;
    margin: var(--s4) auto 0;
}

/* ═══════════════════════════
   GRIDS
═══════════════════════════ */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--s6);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--s5);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--s5);
}

@media (max-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* ═══════════════════════════
   CARDS
═══════════════════════════ */
.card {
    background: var(--white);
    border: 1px solid var(--clr-border);
    border-radius: var(--r-lg);
    overflow: hidden;
    transition: transform var(--t-normal), box-shadow var(--t-normal), border-color var(--t-normal);
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--green-300);
}

.card--green {
    background: var(--green-800);
    color: #fff;
    border-color: var(--green-700);
}

.card--green:hover {
    border-color: var(--green-400);
}

.card__icon {
    width: 52px;
    height: 52px;
    border-radius: var(--r-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: var(--s4);
}

.card__icon--green {
    background: var(--green-100);
    color: var(--green-600);
}

.card__icon--amber {
    background: var(--amber-100);
    color: var(--amber-500);
}

.card__icon--blue {
    background: #dbeafe;
    color: #2563eb;
}

.card__icon--purple {
    background: #ede9fe;
    color: #7c3aed;
}

.card__body {
    padding: var(--s5);
}

.card__title {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: var(--s2);
    color: var(--gray-900);
}

.card--green .card__title {
    color: #fff;
}

.card__desc {
    font-size: 14.5px;
    color: var(--clr-muted);
    line-height: 1.7;
}

.card--green .card__desc {
    color: rgba(255, 255, 255, .75);
}

/* Stat card */
.stat-card {
    text-align: center;
    padding: var(--s5);
}

.stat-card__num {
    font-family: var(--font-display);
    font-size: 38px;
    font-weight: 700;
    color: var(--green-600);
}

.stat-card__label {
    font-size: 13px;
    font-weight: 600;
    color: var(--clr-muted);
    text-transform: uppercase;
    letter-spacing: .07em;
    margin-top: 4px;
}

/* Track card */
.track-card {
    border-radius: var(--r-xl);
    padding: var(--s7);
    border: 2px solid var(--clr-border);
    transition: transform var(--t-normal), box-shadow var(--t-normal), border-color var(--t-normal);
}

.track-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.track-card--green {
    background: var(--green-800);
    border-color: var(--green-700);
    color: #fff;
}

.track-card--white {
    background: var(--white);
}

.track-card--white:hover {
    border-color: var(--green-400);
}

.track-card--green:hover {
    border-color: var(--green-400);
    box-shadow: var(--shadow-green);
}

.track-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--s3);
    margin: var(--s5) 0 var(--s6);
}

.track-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--s3);
    font-size: 15px;
}

.track-list li i {
    color: var(--green-400);
    margin-top: 3px;
    flex-shrink: 0;
}

.track-card--white .track-list li i {
    color: var(--green-600);
}

/* SDG Grid */
.sdg-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--s4);
}

.sdg-item {
    background: var(--white);
    border: 1px solid var(--clr-border);
    border-radius: var(--r-md);
    padding: var(--s4) var(--s3);
    text-align: center;
    cursor: default;
    position: relative;
    overflow: hidden;
    transition: transform var(--t-normal), box-shadow var(--t-normal), border-color var(--t-normal);
}

.sdg-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
    border-color: var(--green-300);
    z-index: 2;
}

.sdg-item__num {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    color: var(--green-600);
    margin-bottom: 4px;
}

.sdg-item__label {
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-700);
    line-height: 1.3;
}

/* ═══════════════════════════
   TIMELINE
═══════════════════════════ */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--green-200, #bbf7d0);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 0 var(--s7) var(--s7);
}

.timeline-item:nth-child(odd) {
    left: 0;
    text-align: right;
}

.timeline-item:nth-child(even) {
    left: 50%;
    text-align: left;
}

.timeline-item::after {
    content: '';
    position: absolute;
    top: 8px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--green-600);
    border: 3px solid var(--white);
    box-shadow: 0 0 0 3px var(--green-300);
}

.timeline-item:nth-child(odd)::after {
    right: -8px;
}

.timeline-item:nth-child(even)::after {
    left: -8px;
}

.timeline-date {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: var(--green-600);
    margin-bottom: 6px;
}

.timeline-title {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.timeline-desc {
    font-size: 13.5px;
    color: var(--clr-muted);
}

@media (max-width: 640px) {
    .timeline::before {
        left: 16px;
    }

    .timeline-item {
        left: 0 !important;
        width: 100%;
        text-align: left;
        padding-left: 48px;
        padding-right: var(--s4);
    }

    .timeline-item::after {
        left: 8px !important;
        right: auto !important;
    }
}

/* ═══════════════════════════
   FAQ ACCORDION
═══════════════════════════ */
.faq-list {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--s3);
}

.faq-item {
    background: var(--white);
    border: 1px solid var(--clr-border);
    border-radius: var(--r-md);
    overflow: hidden;
}

.faq-btn {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--s4) var(--s5);
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-900);
    gap: var(--s3);
    text-align: left;
    transition: background var(--t-fast);
}

.faq-btn:hover {
    background: var(--green-50);
}

.faq-btn i {
    color: var(--green-600);
    transition: transform var(--t-normal);
    flex-shrink: 0;
}

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

.faq-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--t-slow);
}

.faq-item.open .faq-body {
    max-height: 500px;
}

.faq-body p {
    padding: 0 var(--s5) var(--s4);
    font-size: 15px;
    color: var(--clr-muted);
    line-height: 1.75;
}

/* ═══════════════════════════
   COMMITTEE / PERSON CARDS
═══════════════════════════ */
.person-card {
    background: var(--white);
    border: 1px solid var(--clr-border);
    border-radius: var(--r-lg);
    padding: var(--s5);
    text-align: center;
    transition: transform var(--t-normal), box-shadow var(--t-normal), border-color var(--t-normal);
}

.person-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--green-300);
}

.person-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--green-200, #bbf7d0);
    margin: 0 auto var(--s3);
    background: var(--green-50);
}

.person-avatar-placeholder {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--green-100);
    border: 3px solid var(--green-200, #bbf7d0);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: var(--green-600);
    margin: 0 auto var(--s3);
}

.person-name {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 700;
    color: var(--gray-900);
}

.person-role {
    font-size: 12px;
    font-weight: 600;
    color: var(--green-600);
    margin-top: 2px;
}

.person-dept {
    font-size: 12px;
    color: var(--clr-muted);
    margin-top: 3px;
}

/* ═══════════════════════════
   DOWNLOAD TABLE
═══════════════════════════ */
.dl-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: var(--r-lg);
    overflow: hidden;
    border: 1px solid var(--clr-border);
}

.dl-table th {
    background: var(--green-700);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    padding: var(--s3) var(--s4);
    text-align: left;
}

.dl-table td {
    padding: var(--s3) var(--s4);
    border-top: 1px solid var(--clr-border);
    font-size: 15px;
    vertical-align: middle;
}

.dl-table tr:hover td {
    background: var(--green-50);
}

/* ═══════════════════════════
   FOOTER
═══════════════════════════ */
.footer {
    background: var(--green-900);
    color: rgba(255, 255, 255, .8);
    padding: var(--s12) 0 var(--s6);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: var(--s8);
    margin-bottom: var(--s10);
}

.footer__logos {
    display: flex;
    align-items: center;
    gap: var(--s4);
    margin-bottom: var(--s4);
}

.footer__logos img {
    height: 40px;
    width: auto;
}

.footer__heading {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--green-300);
    margin-bottom: var(--s4);
}

.footer__tagline {
    font-size: 14px;
    color: rgba(255, 255, 255, .6);
    line-height: 1.7;
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: var(--s2);
}

.footer__links a {
    font-size: 14px;
    color: rgba(255, 255, 255, .65);
    transition: color var(--t-fast);
}

.footer__links a:hover {
    color: var(--green-300);
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, .1);
    padding-top: var(--s5);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--s3);
}

.footer__copy {
    font-size: 13px;
    color: rgba(255, 255, 255, .45);
}

.footer__dev {
    font-size: 13px;
    color: rgba(255, 255, 255, .45);
}

.footer__dev a {
    color: var(--green-300);
}

.social-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, .8);
    font-size: 14px;
    transition: background var(--t-fast), color var(--t-fast);
}

.social-btn:hover {
    background: var(--green-600);
    color: #fff;
    border-color: var(--green-600);
}

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

/* ═══════════════════════════
   REGISTER CTA SECTION
═══════════════════════════ */
.register-cta {
    background: linear-gradient(135deg, var(--green-800), var(--green-700));
    padding: var(--s12) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.register-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 50%, rgba(245, 158, 11, .15), transparent 60%);
}

.register-cta h2 {
    font-family: var(--font-display);
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 700;
    color: #fff;
    margin-bottom: var(--s4);
    position: relative;
}

.register-cta p {
    font-size: 17px;
    color: rgba(255, 255, 255, .75);
    margin-bottom: var(--s7);
    position: relative;
}

/* ═══════════════════════════
   UTILITIES
═══════════════════════════ */
.text-center {
    text-align: center;
}

.mt-4 {
    margin-top: var(--s4);
}

.mt-6 {
    margin-top: var(--s6);
}

.mb-6 {
    margin-bottom: var(--s6);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: var(--r-full);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .06em;
}

.badge--green {
    background: var(--green-100);
    color: var(--green-600);
}

.badge--amber {
    background: var(--amber-100);
    color: #92400e;
}

.badge--white {
    background: rgba(255, 255, 255, .18);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .3);
}

/* ═══════════════════════════
   RESPONSIVE
═══════════════════════════ */
@media (max-width: 768px) {
    .navbar__links {
        display: none;
    }

    .navbar__hamburger {
        display: flex;
    }

    .hero__heading {
        font-size: 38px;
    }

    .hero__stats {
        grid-template-columns: repeat(2, auto);
    }

    .sdg-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}

@media (max-width: 480px) {
    .hero__ctas {
        flex-direction: column;
    }

    .hero__stats {
        gap: var(--s5);
    }
}