/* ============================================
   AUSTRALIAN THERMAL OPTICS CLUB - STYLES
   ============================================ */

/* CSS Variables */
:root {
    /* Colors */
    --color-bg: #0a0a0a;
    --color-bg-light: #111111;
    --color-bg-card: #161616;
    --color-text: #e5e5e5;
    --color-text-muted: #888888;
    --color-thermal-cold: #3b82f6;
    --color-thermal-mid: #a855f7;
    --color-thermal-warm: #f59e0b;
    --color-thermal-hot: #ef4444;
    --color-accent: #f59e0b;
    --color-accent-hover: #fbbf24;
    --color-success: #22c55e;

    /* Gradients */
    --gradient-thermal: linear-gradient(135deg, var(--color-thermal-cold), var(--color-thermal-mid), var(--color-thermal-warm), var(--color-thermal-hot));
    --gradient-thermal-text: linear-gradient(90deg, var(--color-thermal-warm), var(--color-thermal-hot));

    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --container-width: 1200px;
    --section-padding: 100px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.6s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

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

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

ul {
    list-style: none;
}

/* Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   NAVIGATION
   ============================================ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-medium);
}

.nav.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.5rem;
}

.logo-icon {
    color: var(--color-accent);
    font-size: 1.8rem;
}

.logo-text {
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-menu a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: var(--transition-fast);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-thermal-text);
    transition: var(--transition-fast);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--color-text);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

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

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition-fast);
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
}

.scanlines {
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.1) 2px,
        rgba(0, 0, 0, 0.1) 4px
    );
    pointer-events: none;
    opacity: 0.5;
}

.thermal-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 0%, rgba(10, 10, 10, 0.8) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 900px;
    padding: 0 24px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--color-accent);
    margin-bottom: 32px;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
}

.title-line {
    display: block;
}

.gradient-text {
    background: var(--gradient-thermal-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    margin-bottom: 48px;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

.scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    margin: 12px auto 0;
    position: relative;
}

.scroll-indicator::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 2px;
    animation: scroll-bounce 1.5s ease-in-out infinite;
}

@keyframes scroll-bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
    50% { transform: translateX(-50%) translateY(10px); opacity: 0.5; }
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: var(--gradient-thermal-text);
    color: #000;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(245, 158, 11, 0.3);
}

.btn-secondary {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: var(--color-text);
}

.btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-accent);
    color: var(--color-accent);
}

.btn-outline:hover {
    background: var(--color-accent);
    color: #000;
}

.btn-large {
    padding: 18px 40px;
    font-size: 1rem;
}

/* ============================================
   SECTIONS
   ============================================ */

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

.section-dark {
    background: var(--color-bg-light);
}

.section-header {
    margin-bottom: 60px;
}

.section-header.centered {
    text-align: center;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    max-width: 600px;
}

.section-header.centered .section-subtitle {
    margin: 0 auto;
}

.section-cta {
    text-align: center;
    margin-top: 48px;
}

/* ============================================
   MISSION SECTION
   ============================================ */

.mission-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.mission-card {
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 40px 32px;
    transition: var(--transition-medium);
}

.mission-card:hover {
    transform: translateY(-8px);
    border-color: rgba(245, 158, 11, 0.2);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.mission-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(245, 158, 11, 0.1);
    border-radius: 12px;
    margin-bottom: 24px;
}

.mission-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-accent);
}

.mission-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.mission-card p {
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ============================================
   FEATURES SECTION
   ============================================ */

.features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.feature-description {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 32px;
    line-height: 1.8;
}

.feature-list {
    margin-bottom: 40px;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.feature-check {
    color: var(--color-success);
    font-weight: bold;
}

.feature-image {
    position: relative;
}

.image-frame {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    aspect-ratio: 4/3;
    background: var(--color-bg-card);
}

.image-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thermal-frame-overlay {
    position: absolute;
    inset: 0;
    border: 3px solid var(--color-accent);
    border-radius: 16px;
    pointer-events: none;
}

.thermal-frame-overlay::before {
    content: 'THERMAL VIEW';
    position: absolute;
    top: 16px;
    left: 16px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--color-accent);
    background: rgba(0, 0, 0, 0.7);
    padding: 4px 12px;
    border-radius: 4px;
}

/* ============================================
   EVENTS SECTION
   ============================================ */

.events-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.event-card {
    display: flex;
    gap: 20px;
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 24px;
    transition: var(--transition-medium);
}

.event-card:hover {
    border-color: rgba(245, 158, 11, 0.3);
    transform: translateY(-4px);
}

.event-date {
    flex-shrink: 0;
    width: 60px;
    text-align: center;
    padding: 12px;
    background: rgba(245, 158, 11, 0.1);
    border-radius: 8px;
}

.date-month {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.date-day {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-text);
}

.event-content {
    flex: 1;
}

.event-category {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-accent);
    margin-bottom: 8px;
}

.event-content h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.event-content p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 12px;
    line-height: 1.6;
}

.event-meta {
    display: flex;
    gap: 16px;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* ============================================
   PARTNERS SECTION
   ============================================ */

.partners-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 48px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.partner-logo {
    width: 150px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--color-text-muted);
    font-size: 0.8rem;
    transition: var(--transition-fast);
}

.partner-logo:hover {
    border-color: var(--color-accent);
}

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

.partner-cta p {
    color: var(--color-text-muted);
    margin-bottom: 16px;
}

/* ============================================
   CTA SECTION
   ============================================ */

.section-cta-full {
    position: relative;
    padding: 120px 0;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}

.cta-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

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

.footer {
    background: var(--color-bg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.3rem;
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--color-text-muted);
    margin-bottom: 20px;
    line-height: 1.7;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-card);
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-accent);
    color: #000;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--color-text-muted);
    transition: var(--transition-fast);
}

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

.footer-contact p {
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* ============================================
   ANIMATIONS
   ============================================ */

[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

[data-aos-delay="100"] { transition-delay: 100ms; }
[data-aos-delay="200"] { transition-delay: 200ms; }
[data-aos-delay="300"] { transition-delay: 300ms; }

/* Thermal glow effect */
.glow-thermal {
    box-shadow: 0 0 40px rgba(245, 158, 11, 0.3);
}

/* Pulse animation */
@keyframes pulse-thermal {
    0%, 100% { box-shadow: 0 0 20px rgba(245, 158, 11, 0.2); }
    50% { box-shadow: 0 0 40px rgba(245, 158, 11, 0.4); }
}

.pulse {
    animation: pulse-thermal 2s ease-in-out infinite;
}

/* ============================================
   RESPONSIVE
   ============================================ */

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

    .features-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .feature-image {
        order: -1;
    }

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

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--color-bg);
        flex-direction: column;
        justify-content: center;
        gap: 24px;
        padding: 40px;
        transition: var(--transition-medium);
        border-left: 1px solid rgba(255, 255, 255, 0.05);
    }

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

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

    .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-stats {
        flex-direction: column;
        gap: 20px;
    }

    .stat-divider {
        width: 60px;
        height: 1px;
    }

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

    .btn {
        width: 100%;
        max-width: 280px;
    }

    .mission-grid,
    .events-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

/* ============================================
   PAGE TEMPLATES
   ============================================ */

.page-header {
    padding: 160px 0 80px;
    background: var(--color-bg-light);
    text-align: center;
}

.page-header .section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

.page-content {
    padding: 80px 0;
}

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

.prose p {
    margin-bottom: 1.5em;
    line-height: 1.8;
    color: var(--color-text-muted);
}

.prose h2 {
    font-size: 1.8rem;
    margin: 2em 0 1em;
}

.prose h3 {
    font-size: 1.4rem;
    margin: 1.5em 0 0.75em;
}

.prose ul, .prose ol {
    margin-bottom: 1.5em;
    padding-left: 1.5em;
}

.prose li {
    margin-bottom: 0.5em;
    color: var(--color-text-muted);
}

.prose ul li {
    list-style: disc;
}

.prose ol li {
    list-style: decimal;
}