/* ========================================
   Traders at Arlington - Stylesheet
   ======================================== */

:root {
    --primary: #1a1a2e;
    --primary-light: #16213e;
    --accent: #e94560;
    --accent-secondary: #0f3460;
    --gold: #c9a227;
    --text: #ffffff;
    --text-muted: #a0a0a0;
    --bg-dark: #0a0a12;
    --bg-card: #12121f;
    --gradient-1: linear-gradient(135deg, #1a1a2e 0%, #0f3460 100%);
    --gradient-2: linear-gradient(180deg, transparent 0%, var(--bg-dark) 100%);
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ========================================
   Navigation
   ======================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 18, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text);
}

.nav-logo-svg {
    color: var(--accent);
    transition: color 0.3s ease;
}

.nav-logo:hover .nav-logo-svg {
    color: var(--text);
}

.logo-text {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 1.1rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.btn-join {
    background: var(--accent);
    color: var(--text) !important;
    padding: 0.6rem 1.5rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.btn-join:hover {
    background: #d13a52;
    transform: translateY(-2px);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.bar {
    width: 25px;
    height: 2px;
    background: var(--text);
    transition: 0.3s;
}

/* ========================================
   Hero Section with Key Bridge
   ======================================== */

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    padding: 6rem 2rem 2rem;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

/* Key Bridge Silhouette - Enhanced */
.bridge-silhouette {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 300px;
    overflow: hidden;
}

.bridge-silhouette::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: -5%;
    right: -5%;
    height: 200px;
    background:
        /* Bridge arches - more realistic Key Bridge style */
        radial-gradient(ellipse 180px 120px at 5% 100%, transparent 68%, rgba(233, 69, 96, 0.15) 68%, rgba(233, 69, 96, 0.15) 72%, transparent 72%),
        radial-gradient(ellipse 180px 120px at 22% 100%, transparent 68%, rgba(233, 69, 96, 0.15) 68%, rgba(233, 69, 96, 0.15) 72%, transparent 72%),
        radial-gradient(ellipse 180px 120px at 39% 100%, transparent 68%, rgba(233, 69, 96, 0.15) 68%, rgba(233, 69, 96, 0.15) 72%, transparent 72%),
        radial-gradient(ellipse 180px 120px at 56% 100%, transparent 68%, rgba(233, 69, 96, 0.15) 68%, rgba(233, 69, 96, 0.15) 72%, transparent 72%),
        radial-gradient(ellipse 180px 120px at 73% 100%, transparent 68%, rgba(233, 69, 96, 0.15) 68%, rgba(233, 69, 96, 0.15) 72%, transparent 72%),
        radial-gradient(ellipse 180px 120px at 90% 100%, transparent 68%, rgba(233, 69, 96, 0.15) 68%, rgba(233, 69, 96, 0.15) 72%, transparent 72%);
}

.bridge-silhouette::after {
    content: '';
    position: absolute;
    bottom: 80px;
    left: 0;
    right: 0;
    height: 8px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(233, 69, 96, 0.3) 10%,
        rgba(233, 69, 96, 0.4) 50%,
        rgba(233, 69, 96, 0.3) 90%,
        transparent 100%);
    box-shadow: 0 0 30px rgba(233, 69, 96, 0.2);
}

/* City lights effect - Rosslyn/Georgetown skyline */
.city-lights {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        /* Rosslyn towers on the left */
        radial-gradient(circle at 15% 65%, rgba(233, 69, 96, 0.12) 0%, transparent 20%),
        radial-gradient(circle at 20% 55%, rgba(255, 255, 255, 0.03) 0%, transparent 15%),
        radial-gradient(circle at 10% 70%, rgba(201, 162, 39, 0.08) 0%, transparent 18%),
        /* Georgetown on the right */
        radial-gradient(circle at 85% 70%, rgba(15, 52, 96, 0.15) 0%, transparent 25%),
        radial-gradient(circle at 80% 60%, rgba(255, 255, 255, 0.02) 0%, transparent 20%),
        /* Potomac water reflection */
        radial-gradient(ellipse 100% 30% at 50% 95%, rgba(15, 52, 96, 0.3) 0%, transparent 70%);
}

/* Water shimmer effect */
.city-lights::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(180deg,
        transparent 0%,
        rgba(15, 52, 96, 0.1) 50%,
        rgba(15, 52, 96, 0.2) 100%);
    animation: shimmer 8s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* Animated dots representing city lights */
.hero-background::before {
    content: '';
    position: absolute;
    bottom: 100px;
    left: 0;
    right: 0;
    height: 200px;
    background-image:
        radial-gradient(circle, rgba(255, 255, 255, 0.3) 1px, transparent 1px),
        radial-gradient(circle, rgba(255, 220, 100, 0.2) 1px, transparent 1px);
    background-size: 50px 30px, 70px 40px;
    background-position: 0 0, 25px 15px;
    opacity: 0.5;
    animation: twinkle 4s ease-in-out infinite;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.3; }
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-logo {
    margin-bottom: 2rem;
}

.logo-svg {
    width: 200px;
    height: 120px;
}

.hero h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.tagline {
    font-size: 1.4rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.university-sub {
    font-size: 1rem;
    color: var(--accent);
    margin-bottom: 3rem;
}

.hero-cta {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 2rem 3rem;
    backdrop-filter: blur(10px);
}

.hero-cta h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--gold);
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 0.9rem 2rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--accent);
    color: var(--text);
}

.btn-primary:hover {
    background: #d13a52;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(233, 69, 96, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    border-color: var(--text);
    background: rgba(255, 255, 255, 0.05);
}

.btn-signup {
    background: var(--gold);
    color: var(--bg-dark);
}

.btn-signup:hover {
    background: #d4a82a;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(201, 162, 39, 0.3);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(10px); }
}

/* ========================================
   Events Section
   ======================================== */

/* ========================================
   Leadership Section
   ======================================== */

.leadership {
    padding: 5rem 0;
    background: var(--bg-dark);
}

.leader-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 300px;
    margin: 0 auto;
}

.leader-photo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: 1.5rem;
    border: 3px solid var(--accent);
    position: relative;
}

.leader-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-placeholder {
    width: 100%;
    height: 100%;
    background: var(--bg-card);
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--text-muted);
}

.leader-info h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.leader-title {
    color: var(--accent);
    font-size: 0.95rem;
    font-weight: 500;
    display: block;
    margin-bottom: 1rem;
}

.leader-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.leader-links a {
    color: var(--text-muted);
    font-size: 1.5rem;
    transition: color 0.3s ease, transform 0.3s ease;
}

.leader-links a:hover {
    color: var(--accent);
    transform: translateY(-2px);
}

/* Bridge arch divider */
.section-divider {
    width: 100%;
    height: 60px;
    position: relative;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
}

.section-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 50px;
    background:
        radial-gradient(ellipse 80px 35px at 12.5% 100%, transparent 60%, rgba(233, 69, 96, 0.25) 60%, rgba(233, 69, 96, 0.25) 68%, transparent 68%),
        radial-gradient(ellipse 80px 35px at 37.5% 100%, transparent 60%, rgba(233, 69, 96, 0.25) 60%, rgba(233, 69, 96, 0.25) 68%, transparent 68%),
        radial-gradient(ellipse 80px 35px at 62.5% 100%, transparent 60%, rgba(233, 69, 96, 0.25) 60%, rgba(233, 69, 96, 0.25) 68%, transparent 68%),
        radial-gradient(ellipse 80px 35px at 87.5% 100%, transparent 60%, rgba(233, 69, 96, 0.25) 60%, rgba(233, 69, 96, 0.25) 68%, transparent 68%);
}

.section-divider::after {
    content: '';
    position: absolute;
    top: 35%;
    left: 50%;
    transform: translateX(-50%);
    width: 400px;
    height: 3px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(233, 69, 96, 0.3) 20%,
        rgba(233, 69, 96, 0.4) 50%,
        rgba(233, 69, 96, 0.3) 80%,
        transparent 100%);
}

.events {
    padding: 6rem 0;
    background: var(--bg-dark);
}

.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 3rem;
}

.events-table {
    max-width: 800px;
    margin: 0 auto;
}

.event-row {
    display: flex;
    gap: 2rem;
    padding: 1.5rem;
    border-radius: 8px;
    transition: background 0.3s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.event-row:hover {
    background: rgba(255, 255, 255, 0.02);
}

.event-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 70px;
    padding: 1rem;
    background: var(--accent-secondary);
    border-radius: 8px;
}

.event-date .month {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
}

.event-date .day {
    font-size: 1.75rem;
    font-weight: 700;
    font-family: 'Space Grotesk', sans-serif;
}

.event-details h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.event-details p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.event-location {
    font-size: 0.85rem;
    color: var(--gold);
}

.event-location i {
    margin-right: 0.5rem;
}

/* Events Placeholder */
.events-placeholder {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px dashed rgba(255, 255, 255, 0.2);
    max-width: 600px;
    margin: 0 auto;
}

.events-placeholder i {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
    opacity: 0.7;
}

.events-placeholder h4 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.events-placeholder p {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.6;
}

/* ========================================
   About Section
   ======================================== */

.about {
    padding: 6rem 0;
    background: var(--gradient-1);
}

.pillars {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.pillar {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.pillar:hover {
    transform: translateY(-5px);
    border-color: rgba(233, 69, 96, 0.3);
}

.pillar-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-secondary);
    border-radius: 50%;
    font-size: 1.5rem;
    color: var(--accent);
}

.pillar h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.pillar p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ========================================
   Featured Cards
   ======================================== */

.featured {
    padding: 6rem 0;
    background: var(--bg-dark);
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.featured-card {
    background: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.featured-card:hover {
    transform: translateY(-5px);
    border-color: rgba(233, 69, 96, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.card-image {
    height: 180px;
    background: var(--gradient-1);
    position: relative;
    overflow: hidden;
}

.card-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(233, 69, 96, 0.2), rgba(15, 52, 96, 0.3));
}

/* Card images with Key Bridge motif */
.trading-comp {
    background:
        linear-gradient(135deg, rgba(233, 69, 96, 0.4), rgba(15, 52, 96, 0.6));
    position: relative;
}

.trading-comp::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background:
        radial-gradient(ellipse 60px 40px at 20% 100%, transparent 60%, rgba(255,255,255,0.1) 60%, rgba(255,255,255,0.1) 65%, transparent 65%),
        radial-gradient(ellipse 60px 40px at 50% 100%, transparent 60%, rgba(255,255,255,0.1) 60%, rgba(255,255,255,0.1) 65%, transparent 65%),
        radial-gradient(ellipse 60px 40px at 80% 100%, transparent 60%, rgba(255,255,255,0.1) 60%, rgba(255,255,255,0.1) 65%, transparent 65%),
        linear-gradient(to bottom, transparent 50%, rgba(255,255,255,0.05) 50%, rgba(255,255,255,0.05) 55%, transparent 55%);
}

.education-img {
    background:
        linear-gradient(135deg, rgba(15, 52, 96, 0.6), rgba(201, 162, 39, 0.4));
    position: relative;
}

.education-img::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background:
        radial-gradient(ellipse 60px 40px at 20% 100%, transparent 60%, rgba(255,255,255,0.08) 60%, rgba(255,255,255,0.08) 65%, transparent 65%),
        radial-gradient(ellipse 60px 40px at 50% 100%, transparent 60%, rgba(255,255,255,0.08) 60%, rgba(255,255,255,0.08) 65%, transparent 65%),
        radial-gradient(ellipse 60px 40px at 80% 100%, transparent 60%, rgba(255,255,255,0.08) 60%, rgba(255,255,255,0.08) 65%, transparent 65%);
}

.sponsors-img {
    background:
        linear-gradient(135deg, rgba(201, 162, 39, 0.4), rgba(233, 69, 96, 0.4));
    position: relative;
}

.sponsors-img::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background:
        radial-gradient(ellipse 60px 40px at 20% 100%, transparent 60%, rgba(255,255,255,0.08) 60%, rgba(255,255,255,0.08) 65%, transparent 65%),
        radial-gradient(ellipse 60px 40px at 50% 100%, transparent 60%, rgba(255,255,255,0.08) 60%, rgba(255,255,255,0.08) 65%, transparent 65%),
        radial-gradient(ellipse 60px 40px at 80% 100%, transparent 60%, rgba(255,255,255,0.08) 60%, rgba(255,255,255,0.08) 65%, transparent 65%);
}

.card-content {
    padding: 1.5rem;
}

.card-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--accent);
    background: rgba(233, 69, 96, 0.1);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    margin-bottom: 1rem;
}

.card-content h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.card-content p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.card-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.3s ease;
}

.card-link:hover {
    gap: 1rem;
}

/* ========================================
   Key Bridge Section
   ======================================== */

.bridge-section {
    padding: 8rem 0;
    position: relative;
    overflow: hidden;
}

.bridge-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, var(--primary) 0%, var(--bg-dark) 100%);
    overflow: hidden;
}

/* Full Key Bridge illustration */
.bridge-bg::before {
    content: '';
    position: absolute;
    bottom: 50px;
    left: -5%;
    right: -5%;
    height: 180px;
    background:
        /* Bridge arches */
        radial-gradient(ellipse 160px 100px at 8% 100%, transparent 65%, rgba(233, 69, 96, 0.2) 65%, rgba(233, 69, 96, 0.2) 70%, transparent 70%),
        radial-gradient(ellipse 160px 100px at 24% 100%, transparent 65%, rgba(233, 69, 96, 0.2) 65%, rgba(233, 69, 96, 0.2) 70%, transparent 70%),
        radial-gradient(ellipse 160px 100px at 40% 100%, transparent 65%, rgba(233, 69, 96, 0.2) 65%, rgba(233, 69, 96, 0.2) 70%, transparent 70%),
        radial-gradient(ellipse 160px 100px at 56% 100%, transparent 65%, rgba(233, 69, 96, 0.2) 65%, rgba(233, 69, 96, 0.2) 70%, transparent 70%),
        radial-gradient(ellipse 160px 100px at 72% 100%, transparent 65%, rgba(233, 69, 96, 0.2) 65%, rgba(233, 69, 96, 0.2) 70%, transparent 70%),
        radial-gradient(ellipse 160px 100px at 88% 100%, transparent 65%, rgba(233, 69, 96, 0.2) 65%, rgba(233, 69, 96, 0.2) 70%, transparent 70%);
}

/* Bridge deck */
.bridge-bg::after {
    content: '';
    position: absolute;
    bottom: 130px;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(233, 69, 96, 0.4) 10%,
        rgba(233, 69, 96, 0.5) 50%,
        rgba(233, 69, 96, 0.4) 90%,
        transparent 100%);
    box-shadow: 0 0 40px rgba(233, 69, 96, 0.3);
}

/* Potomac water */
.bridge-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(180deg,
        transparent 0%,
        rgba(15, 52, 96, 0.2) 50%,
        rgba(15, 52, 96, 0.4) 100%);
    z-index: 0;
}

.bridge-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.bridge-content h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.bridge-content p {
    color: var(--text-muted);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 3rem;
}

.stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
}

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

.stat-number {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ========================================
   Education Section
   ======================================== */

.education {
    padding: 6rem 0;
    background: var(--bg-dark);
}

.curriculum-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.curriculum-item {
    padding: 2rem;
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.curriculum-item:hover {
    border-color: rgba(233, 69, 96, 0.3);
}

.curriculum-num {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: rgba(233, 69, 96, 0.2);
    position: absolute;
    top: 1rem;
    right: 1.5rem;
}

.curriculum-item h4 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
    position: relative;
}

.curriculum-item p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    position: relative;
}

/* Subsection Titles */
.subsection-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.75rem;
    font-weight: 600;
    text-align: center;
    margin: 4rem 0 2rem;
    color: var(--text);
}

/* Books Grid */
.books-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.book-category {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.book-category h4 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.book-category h4 i {
    font-size: 1rem;
    opacity: 0.8;
}

.book-list {
    list-style: none;
}

.book-list li {
    padding: 0.6rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.book-list li:last-child {
    border-bottom: none;
}

.book-list li strong {
    color: var(--text);
    font-weight: 500;
    font-size: 0.9rem;
}

.book-list li span {
    color: var(--text-muted);
    font-size: 0.8rem;
    font-style: italic;
}

/* Resources Grid */
.resources-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.resource-item {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.resource-item:hover {
    border-color: rgba(233, 69, 96, 0.3);
    transform: translateY(-3px);
}

.resource-item i {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

.resource-item h4 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.resource-item p {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.5;
}

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

    .resources-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

/* ========================================
   Sponsors Section
   ======================================== */

.sponsors {
    padding: 6rem 0;
    background: var(--gradient-1);
}

.sponsor-logos {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
    margin: 3rem 0;
}

.sponsor-placeholder {
    width: 180px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px dashed rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.sponsor-cta {
    text-align: center;
    color: var(--text-muted);
}

.sponsor-cta a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

.sponsor-cta a:hover {
    text-decoration: underline;
}

/* ========================================
   Join Section
   ======================================== */

.join {
    padding: 8rem 0;
    background: var(--bg-dark);
    position: relative;
}

.join::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(233, 69, 96, 0.1) 0%, transparent 60%);
}

.join-content {
    position: relative;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.join-content h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.join-content > p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

.join-steps {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
}

.step {
    text-align: center;
    padding: 2rem;
    flex: 1;
    max-width: 250px;
}

.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--accent);
    border-radius: 50%;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.step h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.step p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.btn-large {
    padding: 1.1rem 3rem;
    font-size: 1.05rem;
}

/* ========================================
   Footer
   ======================================== */

.footer {
    padding: 4rem 0 2rem;
    background: var(--primary);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.footer-logo-svg {
    color: var(--accent);
}

.footer-brand p {
    font-weight: 500;
}

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

.footer-links a {
    color: var(--text-muted);
    font-size: 1.25rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.disclaimer {
    font-size: 0.75rem !important;
    max-width: 600px;
    margin: 0 auto;
    opacity: 0.7;
}

/* ========================================
   Responsive Design
   ======================================== */

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

    .featured-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .curriculum-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-dark);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
        gap: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        padding: 1rem 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .tagline {
        font-size: 1.1rem;
    }

    .hero-cta {
        padding: 1.5rem;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .pillars {
        grid-template-columns: 1fr;
    }

    .featured-grid {
        grid-template-columns: 1fr;
    }

    .curriculum-grid {
        grid-template-columns: 1fr;
    }

    .stats {
        flex-direction: column;
        gap: 2rem;
    }

    .join-steps {
        flex-direction: column;
        align-items: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .event-row {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .event-date {
        flex-direction: row;
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .logo-text {
        display: none;
    }

    .bridge-content h2 {
        font-size: 2rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }
}