:root {
    /* Colors – IEEE RAS Palette */
    --primary: #00629B;
    --primary-hover: #004F7C;
    --secondary: #3AB7E9;
    --accent: #862633;
    --background-dark: #020617;
    --surface-dark: #0f172a;
    --surface-border: #1e293b;
    --text-white: #ffffff;
    --text-slate-200: #e2e8f0;
    --text-slate-300: #cbd5e1;
    --text-slate-400: #94a3b8;
    --text-slate-500: #64748b;

    /* Fonts */
    --font-display: "Space Grotesk", sans-serif;
    --font-body: "Noto Sans", sans-serif;

    /* Spacing */
    --container-padding: 1.5rem;
    --header-height: 72px;
}

/* ============================
   RESET & BASE
   ============================ */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    background-color: var(--background-dark);
    color: var(--text-white);
    font-family: var(--font-display);
    overflow-x: hidden;
    line-height: 1.6;
}

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

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

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

/* ============================
   ACCESSIBILITY
   ============================ */

.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    z-index: 9999;
    padding: 0.75rem 1.5rem;
    background: var(--primary);
    color: white;
    border-radius: 0 0 0.5rem 0.5rem;
    font-weight: 700;
    transition: top 0.2s;
}

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

/* ============================
   UTILITIES
   ============================ */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.container-narrow {
    max-width: 896px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.text-center {
    text-align: center;
}

.text-secondary {
    color: var(--secondary) !important;
}

.relative {
    position: relative;
}

.mb-2 {
    margin-bottom: 0.5rem;
}

.mb-10 {
    margin-bottom: 2.5rem;
}

.mb-12 {
    margin-bottom: 3rem;
}

/* ============================
   BUTTONS
   ============================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: 1rem;
    font-weight: 700;
    transition: all 0.2s ease;
    font-size: 0.875rem;
    line-height: 1.25rem;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 10px 15px -3px rgba(0, 98, 155, 0.3);
}

.btn-primary:hover {
    background-color: var(--secondary);
    color: var(--background-dark);
}

.btn-secondary {
    background-color: transparent;
    color: var(--secondary);
    box-shadow: 0 10px 15px -3px rgba(58, 183, 233, 0.15);
    height: 3rem;
    padding: 0 2rem;
    font-size: 1rem;
    border: 2px solid var(--primary);
    border-radius: 1rem;
}

.btn-secondary:hover {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: scale(1.03);
}

.btn-surface {
    background-color: var(--surface-dark);
    color: var(--text-slate-300);
    border: 1px solid var(--surface-border);
    height: 3rem;
    padding: 0 2rem;
    font-size: 1rem;
}

.btn-surface:hover {
    background-color: var(--surface-border);
    color: white;
}

.btn-lg {
    height: 3rem;
    padding: 0 2rem;
    font-size: 1rem;
}

.btn-register {
    height: 2.5rem;
    padding: 0 1.5rem;
}

.hover-scale:hover {
    transform: scale(1.03);
}

.btn-full-width {
    width: 100%;
}

.btn-half-width {
    width: 100%;
}

@media (min-width: 640px) {
    .btn-half-width {
        flex: 1;
    }
}

.icon-lg {
    font-size: 1.25rem;
}

/* ============================
   HEADER
   ============================ */

.main-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background-color: rgba(2, 6, 23, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--surface-border);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: box-shadow 0.3s ease;
}

.main-header.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: white;
}

.brand-logo {
    height: 2.5rem;
    width: auto;
    border-radius: 0.25rem;
    padding: 0.25rem;
}

.brand-divider {
    height: 2rem;
    width: 1px;
    background-color: var(--surface-border);
    display: none;
}

.brand-name {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.025em;
}

.nav-container {
    display: none;
    align-items: center;
    gap: 2rem;
}

.main-nav {
    display: flex;
    gap: 1.75rem;
}

.nav-link {
    color: var(--text-slate-300);
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s;
    position: relative;
}

.nav-link:hover {
    color: white;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary);
    transition: width 0.2s ease;
}

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

.mobile-menu-btn {
    color: white;
    display: flex;
    align-items: center;
    padding: 0.25rem;
}

.mobile-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: rgba(2, 6, 23, 0.98);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--surface-border);
    padding: 1rem;
    display: none;
    flex-direction: column;
    align-items: center;
}

.mobile-menu.active {
    display: flex;
    flex-direction: column;
}

.mobile-nav-link {
    display: block;
    padding: 0.875rem 1rem;
    color: var(--text-slate-300);
    text-align: center;
    font-size: 1rem;
    transition: color 0.2s;
}

.mobile-nav-link:hover {
    color: white;
}

.mobile-register-btn {
    margin-top: 0.5rem;
    width: 100%;
    justify-content: center;
}

@media (min-width: 640px) {
    .brand-divider {
        display: block;
    }
}

@media (min-width: 1024px) {
    .nav-container {
        display: flex;
    }

    .mobile-menu-btn {
        display: none;
    }

    .main-header {
        padding: 1rem 5rem;
    }
}

/* ============================
   HERO
   ============================ */

.hero-section {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 600px;
    padding: 4rem 1rem;
    overflow: hidden;
}

@media (min-width: 1024px) {
    .hero-section {
        min-height: 85vh;
        padding: 4rem 5rem;
    }
}

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

.hero-gradient-vertical {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--background-dark), rgba(2, 6, 23, 0.6), transparent);
    z-index: 3;
}

.hero-gradient-horizontal {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(2, 6, 23, 0.7), transparent, rgba(2, 6, 23, 0.7));
    z-index: 3;
}

/* Pure CSS hero background — no external images needed */
.hero-canvas {
    position: absolute;
    inset: 0;
    z-index: 1;
    overflow: hidden;
}

.grid-pattern {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(58, 183, 233, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(58, 183, 233, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 1;
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: orbFloat 12s ease-in-out infinite;
}

.hero-orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--primary), transparent 70%);
    top: -10%;
    right: -5%;
    animation-delay: 0s;
}

.hero-orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--secondary), transparent 70%);
    bottom: -15%;
    left: -10%;
    animation-delay: -4s;
}

.hero-orb-3 {
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, var(--accent), transparent 70%);
    top: 40%;
    left: 50%;
    opacity: 0.2;
    animation-delay: -8s;
}

@keyframes orbFloat {

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

    33% {
        transform: translate(20px, -30px) scale(1.05);
    }

    66% {
        transform: translate(-15px, 20px) scale(0.95);
    }
}

.hero-content {
    position: relative;
    z-index: 20;
    max-width: 56rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.25rem;
}

.badge-registration {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 1rem;
    border-radius: 9999px;
    background-color: rgba(0, 98, 155, 0.15);
    border: 1px solid rgba(0, 98, 155, 0.3);
    color: var(--secondary);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.ping-container {
    position: relative;
    display: flex;
    height: 0.5rem;
    width: 0.5rem;
}

.ping-animation {
    position: absolute;
    display: inline-flex;
    height: 100%;
    width: 100%;
    border-radius: 50%;
    background-color: var(--secondary);
    opacity: 0.75;
    animation: ping 1s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes ping {

    75%,
    100% {
        transform: scale(2);
        opacity: 0;
    }
}

.ping-dot {
    position: relative;
    display: inline-flex;
    border-radius: 50%;
    height: 0.5rem;
    width: 0.5rem;
    background-color: var(--secondary);
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.03em;
    color: white;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 6rem;
    }
}

.gradient-text {
    color: transparent;
    background-clip: text;
    -webkit-background-clip: text;
    background-image: linear-gradient(135deg, var(--secondary), #c084fc, var(--secondary));
    background-size: 200% 200%;
    animation: gradientShift 6s ease-in-out infinite;
}

@keyframes gradientShift {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

.hero-title-sub {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-slate-200);
    letter-spacing: -0.01em;
}

@media (min-width: 768px) {
    .hero-title-sub {
        font-size: 2rem;
    }
}

.hero-subtitle {
    color: var(--text-slate-300);
    font-size: 1rem;
    font-weight: 300;
    max-width: 42rem;
    line-height: 1.7;
}

@media (min-width: 768px) {
    .hero-subtitle {
        font-size: 1.25rem;
    }
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    width: 100%;
    max-width: 520px;
    justify-content: center;
    margin-top: 1rem;
}

.hero-actions-row {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    width: 100%;
}

@media (min-width: 640px) {
    .hero-actions-row {
        flex-direction: row;
    }
}

/* ============================
   KEY DATES BAR
   ============================ */

.dates-bar {
    background: linear-gradient(to right, rgba(0, 98, 155, 0.15), rgba(58, 183, 233, 0.1));
    border-top: 1px solid var(--surface-border);
    border-bottom: 1px solid var(--surface-border);
    padding: 1.5rem;
}

.dates-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

@media (min-width: 768px) {
    .dates-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }
}

.date-item {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    justify-content: center;
}

.date-icon {
    font-size: 1.5rem;
    color: var(--secondary);
    flex-shrink: 0;
}

.date-info {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.date-label {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-slate-400);
}

.date-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-white);
}

/* ============================
   CHALLENGE SECTION
   ============================ */

.section-challenge {
    padding: 5rem 1.5rem;
    background-color: var(--background-dark);
}

@media (min-width: 1024px) {
    .section-challenge {
        padding: 5rem 10rem;
    }
}

.section-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1.5rem;
}

.section-divider {
    height: 0.25rem;
    width: 5rem;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    margin: 0 auto 2rem;
    border-radius: 9999px;
}

.section-description {
    color: var(--text-slate-300);
    font-size: 1.0625rem;
    line-height: 1.75;
}

/* ============================
   SPECS SECTION
   ============================ */

.section-specs {
    padding: 5rem 1.5rem;
    background: linear-gradient(to bottom, rgba(0, 98, 155, 0.05), var(--background-dark));
    border-top: 1px solid var(--surface-border);
}

@media (min-width: 1024px) {
    .section-specs {
        padding: 5rem 5rem;
    }
}

.specs-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin-top: 1rem;
}

@media (min-width: 640px) {
    .specs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.spec-card {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 1.75rem;
    border-radius: 1rem;
    background: var(--surface-dark);
    border: 1px solid var(--surface-border);
    transition: border-color 0.3s, transform 0.3s;
}

.spec-card:hover {
    border-color: rgba(58, 183, 233, 0.3);
    transform: translateY(-2px);
}

.spec-icon {
    font-size: 2rem;
    color: var(--secondary);
}

.spec-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: white;
}

.spec-desc {
    font-size: 0.875rem;
    color: var(--text-slate-400);
    line-height: 1.6;
}

/* ============================
   PRIZES SECTION
   ============================ */

.section-prizes {
    padding: 5rem 1.5rem;
    background-color: rgba(15, 23, 42, 0.3);
    border-top: 1px solid var(--surface-border);
    border-bottom: 1px solid var(--surface-border);
}

@media (min-width: 1024px) {
    .section-prizes {
        padding: 5rem;
    }
}

.prize-total {
    font-size: 1.25rem;
    color: var(--text-slate-300);
    font-weight: 500;
}

.prizes-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

@media (min-width: 768px) {
    .prizes-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.prize-card {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    border-radius: 0.75rem;
    background-color: var(--surface-dark);
    padding: 2rem;
    position: relative;
    border: 1px solid var(--surface-border);
    transition: border-color 0.2s, transform 0.3s;
}

.prize-card:hover {
    border-color: var(--text-slate-500);
    transform: translateY(-2px);
}

.prize-silver {
    order: 2;
    margin-top: 1rem;
}

.prize-gold {
    order: 1;
    border: 2px solid var(--primary);
    box-shadow: 0 25px 50px -12px rgba(0, 98, 155, 0.15);
}

.prize-bronze {
    order: 3;
    margin-top: 1rem;
}

@media (min-width: 768px) {
    .prize-silver {
        order: 1;
        margin-top: 2rem;
    }

    .prize-gold {
        order: 2;
        transform: translateY(-1rem);
    }

    .prize-gold:hover {
        transform: translateY(calc(-1rem - 2px));
    }

    .prize-bronze {
        order: 3;
        margin-top: 2rem;
    }
}

.prize-header {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
}

.prize-icon {
    font-size: 2.25rem;
    margin-bottom: 0.5rem;
}

.icon-silver {
    color: var(--text-slate-400);
}

.icon-gold {
    color: #facc15;
    font-size: 3rem;
}

.icon-bronze {
    color: #b45309;
}

.prize-rank {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-slate-300);
}

.prize-gold .prize-rank {
    color: white;
    font-size: 1.5rem;
}

.prize-amount {
    font-size: 2.25rem;
    font-weight: 900;
    letter-spacing: -0.025em;
    color: white;
}

.prize-gold .prize-amount {
    font-size: 3rem;
    color: var(--secondary);
}

.prize-label {
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-slate-500);
}

.label-gold {
    color: #facc15;
}

.prize-features {
    border-top: 1px solid var(--surface-border);
    padding-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    color: var(--text-slate-300);
}

.icon-check {
    color: var(--secondary);
    font-size: 1.25rem;
}

.badge-champion {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(to right, var(--primary), var(--secondary));
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 4px 12px rgba(0, 98, 155, 0.3);
}

/* ============================
   PROCESS SECTION
   ============================ */

.section-process {
    padding: 5rem 1.5rem;
    background-color: var(--background-dark);
    position: relative;
    overflow: hidden;
}

@media (min-width: 1024px) {
    .section-process {
        padding: 5rem 10rem;
    }
}

.bg-blur-1 {
    position: absolute;
    top: -5rem;
    right: -5rem;
    width: 24rem;
    height: 24rem;
    background-color: rgba(0, 98, 155, 0.08);
    border-radius: 50%;
    filter: blur(80px);
    z-index: 0;
}

.bg-blur-2 {
    position: absolute;
    bottom: -5rem;
    left: -5rem;
    width: 24rem;
    height: 24rem;
    background-color: rgba(58, 183, 233, 0.06);
    border-radius: 50%;
    filter: blur(80px);
    z-index: 0;
}

.process-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    position: relative;
    z-index: 10;
}

@media (min-width: 640px) {
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.process-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
    padding: 2rem 1.5rem;
    border-radius: 1rem;
    background-color: var(--surface-dark);
    border: 1px solid var(--surface-border);
    transition: border-color 0.3s, transform 0.3s;
    position: relative;
}

.process-card:hover {
    border-color: rgba(58, 183, 233, 0.4);
    transform: translateY(-2px);
}

.process-number {
    position: absolute;
    top: 0.75rem;
    right: 1rem;
    font-size: 2rem;
    font-weight: 900;
    color: rgba(58, 183, 233, 0.08);
    line-height: 1;
    letter-spacing: -0.05em;
    user-select: none;
}

.process-icon-wrapper {
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    background-color: var(--surface-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-slate-400);
    transition: all 0.3s;
}

.process-card:hover .process-icon-wrapper {
    background-color: var(--primary);
    color: white;
}

.process-icon {
    font-size: 1.875rem;
}

.process-title {
    color: white;
    font-size: 1.125rem;
    font-weight: 700;
}

.process-desc {
    color: var(--text-slate-400);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* ============================
   FAQ SECTION
   ============================ */

.section-faq {
    padding: 5rem 1.5rem;
    background: linear-gradient(to bottom, var(--background-dark), rgba(15, 23, 42, 0.4));
    border-top: 1px solid var(--surface-border);
}

@media (min-width: 1024px) {
    .section-faq {
        padding: 5rem 10rem;
    }
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.faq-item {
    border-bottom: 1px solid var(--surface-border);
}

.faq-item:first-child {
    border-top: 1px solid var(--surface-border);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-slate-200);
    list-style: none;
    transition: color 0.2s;
    gap: 1rem;
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question::marker {
    content: '';
}

.faq-question:hover {
    color: white;
}

.faq-chevron {
    color: var(--text-slate-500);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item[open] .faq-chevron {
    transform: rotate(180deg);
    color: var(--secondary);
}

.faq-answer {
    padding: 0 0 1.25rem;
    color: var(--text-slate-400);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.faq-answer a {
    color: var(--secondary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.faq-answer a:hover {
    color: white;
}

/* ============================
   VENUE SECTION
   ============================ */

.section-venue {
    padding: 5rem 1.5rem;
    background-color: var(--background-dark);
}

@media (min-width: 1024px) {
    .section-venue {
        padding: 5rem;
    }
}

.venue-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 1024px) {
    .venue-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.venue-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.venue-name {
    color: var(--secondary);
    font-size: 1.25rem;
    font-weight: 500;
}

.venue-desc {
    color: var(--text-slate-300);
    line-height: 1.7;
}

.venue-details {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.25rem;
    font-size: 0.875rem;
    color: var(--text-slate-300);
    margin-top: 0.5rem;
}

.venue-detail-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.venue-map {
    height: 400px;
    width: 100%;
    border-radius: 0.75rem;
    overflow: hidden;
    border: 1px solid var(--surface-border);
    background-color: var(--surface-dark);
}

.venue-map iframe {
    border: 0;
}

/* ============================
   FOOTER
   ============================ */

.main-footer {
    padding: 3rem 1.5rem;
    background-color: var(--background-dark);
    border-top: 1px solid var(--surface-border);
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-logo {
    height: 2rem;
    width: auto;
    opacity: 0.6;
}

.copyright {
    color: var(--text-slate-500);
    font-size: 0.8125rem;
    max-width: 400px;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
    margin-top: 0.25rem;
}

.footer-links a {
    color: var(--text-slate-400);
    font-size: 0.875rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: white;
}

/* ============================
   ANIMATIONS – Scroll Reveal
   ============================ */

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* Stagger children */
.reveal-stagger .reveal:nth-child(1) { transition-delay: 0s; }
.reveal-stagger .reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger .reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal-stagger .reveal:nth-child(4) { transition-delay: 0.3s; }

/* ============================
   ORGANIZING COMMITTEE
   ============================ */

.section-committee {
    padding: 5rem 1.5rem;
    background: linear-gradient(to bottom, rgba(15,23,42,0.4), var(--background-dark));
    border-top: 1px solid var(--surface-border);
}

.committee-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    max-width: 680px;
    margin: 0 auto;
}

.committee-card {
    background: var(--surface-1);
    border: 1px solid var(--surface-border);
    border-radius: 1rem;
    padding: 1.5rem 1.25rem;
    text-align: center;
    transition: border-color 0.2s, transform 0.2s;
}

.committee-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.committee-role {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.committee-name {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--text-primary);
}

@media (max-width: 500px) {
    .committee-grid {
        grid-template-columns: 1fr;
    }
}