/* ========================================
   HACK TO THE FUTURE
   Back to the Future Movie Theme
   ======================================== */

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

:root {
    /* BttF Color Palette */
    --orange: #FF6B1A;
    --orange-bright: #FF8533;
    --yellow: #FFD700;
    --yellow-light: #FFEA00;
    --cyan: #00D9FF;
    --cyan-dark: #00A8CC;
    --blue-storm: #1A2744;
    --blue-dark: #0D1525;
    --purple-lightning: #8B5CF6;

    /* UI Colors */
    --bg-storm: linear-gradient(180deg, #0D1525 0%, #1A2744 50%, #2D3B5E 100%);
    --panel-bg: rgba(13, 21, 37, 0.85);
    --panel-border: #00D9FF;
    --text-primary: #FFFFFF;
    --text-secondary: #B0C4DE;
    --text-glow: #FFD700;

    /* Typography */
    --font-display: 'Orbitron', sans-serif;
    --font-mono: 'Share Tech Mono', monospace;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
}

body {
    font-family: var(--font-display);
    background: var(--bg-storm);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ========================================
   LIGHTNING EFFECTS
   ======================================== */
.lightning-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    overflow: hidden;
}

.lightning {
    position: absolute;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg,
        transparent 0%,
        var(--cyan) 10%,
        var(--yellow-light) 20%,
        var(--cyan) 30%,
        transparent 40%
    );
    opacity: 0;
    box-shadow: 0 0 20px var(--cyan), 0 0 40px var(--yellow);
    animation: lightning-strike 8s infinite;
}

.lightning-1 {
    left: 15%;
    animation-delay: 0s;
}

.lightning-2 {
    left: 60%;
    animation-delay: 3s;
}

.lightning-3 {
    left: 85%;
    animation-delay: 6s;
}

@keyframes lightning-strike {
    0%, 100% { opacity: 0; }
    49% { opacity: 0; }
    50% { opacity: 1; }
    51% { opacity: 0; }
    52% { opacity: 1; }
    53%, 99% { opacity: 0; }
}

/* ========================================
   NAVIGATION
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(13, 21, 37, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 2px solid var(--cyan);
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.3);
    z-index: 1000;
    padding: var(--space-sm) 0;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.nav-logo-img {
    height: 50px;
    width: auto;
    transition: transform 0.3s ease, filter 0.3s ease;
}

.nav-logo-img:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 10px rgba(0, 217, 255, 0.5));
}

.nav-logo-text {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
}

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

.logo-bracket {
    color: var(--cyan);
    text-shadow: 0 0 10px var(--cyan);
}

.logo-text {
    color: var(--orange);
    text-shadow: 0 0 15px var(--orange);
}

.logo-year {
    color: var(--yellow);
    text-shadow: 0 0 10px var(--yellow);
    font-size: 0.9em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a::before {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--cyan);
    box-shadow: 0 0 10px var(--cyan);
    transition: width 0.3s ease;
}

.nav-menu a:hover {
    color: var(--cyan);
    text-shadow: 0 0 10px var(--cyan);
}

.nav-menu a:hover::before {
    width: 100%;
}

.nav-cta {
    padding: 0.75rem 2rem;
    background: linear-gradient(135deg, var(--orange), var(--yellow));
    color: var(--blue-dark);
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 1px;
    border: none;
    position: relative;
    overflow: hidden;
    clip-path: polygon(10% 0, 100% 0, 90% 100%, 0 100%);
    transition: all 0.3s ease;
}

.nav-cta:hover {
    box-shadow: 0 0 30px rgba(255, 215, 0, 0.6);
    transform: translateY(-2px);
}

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

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--cyan);
    box-shadow: 0 0 10px var(--cyan);
    transition: all 0.3s ease;
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(80px + var(--space-3xl)) var(--space-lg) var(--space-3xl);
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, #0D1525 0%, #1A2744 50%, #2D3B5E 100%);
}

.storm-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 30% 40%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 60%, rgba(255, 107, 26, 0.1) 0%, transparent 50%);
    animation: storm-pulse 8s ease-in-out infinite;
    z-index: 0;
}

@keyframes storm-pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.8; }
}

.grid-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(0deg, transparent 24%, rgba(0, 217, 255, 0.05) 25%, rgba(0, 217, 255, 0.05) 26%, transparent 27%, transparent 74%, rgba(0, 217, 255, 0.05) 75%, rgba(0, 217, 255, 0.05) 76%, transparent 77%, transparent),
        linear-gradient(90deg, transparent 24%, rgba(0, 217, 255, 0.05) 25%, rgba(0, 217, 255, 0.05) 26%, transparent 27%, transparent 74%, rgba(0, 217, 255, 0.05) 75%, rgba(0, 217, 255, 0.05) 76%, transparent 77%, transparent);
    background-size: 80px 80px;
    z-index: 0;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 2rem;
    background: rgba(0, 217, 255, 0.1);
    border: 2px solid var(--cyan);
    clip-path: polygon(5% 0, 100% 0, 95% 100%, 0 100%);
    margin-bottom: var(--space-xl);
}

.badge-text {
    font-size: 0.875rem;
    color: var(--cyan);
    letter-spacing: 2px;
    text-shadow: 0 0 10px var(--cyan);
}

.hero-title {
    margin-bottom: var(--space-lg);
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-logo {
    max-width: min(90vw, 800px);
    height: auto;
    filter: drop-shadow(0 0 30px rgba(255, 107, 26, 0.6)) drop-shadow(0 0 50px rgba(255, 215, 0, 0.4));
    animation: logo-glow 3s ease-in-out infinite alternate;
}

@keyframes logo-glow {
    0% {
        filter: drop-shadow(0 0 30px rgba(255, 107, 26, 0.6)) drop-shadow(0 0 50px rgba(255, 215, 0, 0.4));
    }
    100% {
        filter: drop-shadow(0 0 50px rgba(255, 107, 26, 0.9)) drop-shadow(0 0 70px rgba(255, 215, 0, 0.6));
    }
}

.title-word {
    display: block;
    background: linear-gradient(135deg, var(--orange) 0%, var(--yellow) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 80px rgba(255, 215, 0, 0.8);
    filter: drop-shadow(0 0 30px rgba(255, 107, 26, 0.6));
    animation: title-glow 3s ease-in-out infinite alternate;
}

@keyframes title-glow {
    0% {
        filter: drop-shadow(0 0 30px rgba(255, 107, 26, 0.6));
    }
    100% {
        filter: drop-shadow(0 0 50px rgba(255, 215, 0, 0.9));
    }
}

.title-connector {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.25em;
    font-style: italic;
}

.connector-line {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cyan), transparent);
    box-shadow: 0 0 10px var(--cyan);
}

.connector-text {
    color: var(--cyan);
    text-shadow: 0 0 15px var(--cyan);
    -webkit-text-fill-color: var(--cyan);
}

.hero-tagline {
    font-family: var(--font-mono);
    font-size: clamp(1.25rem, 3vw, 2rem);
    color: var(--cyan);
    margin-bottom: var(--space-2xl);
    letter-spacing: 3px;
}

.tagline-brackets {
    color: var(--orange);
    text-shadow: 0 0 10px var(--orange);
    font-weight: 700;
}

.tagline-text {
    text-shadow: 0 0 20px var(--cyan);
}

.time-display {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.time-circuit {
    padding: var(--space-md);
    background: var(--panel-bg);
    border: 2px solid var(--orange);
    clip-path: polygon(0 0, 95% 0, 100% 100%, 5% 100%);
    min-width: 280px;
    box-shadow:
        0 0 20px rgba(255, 107, 26, 0.3),
        inset 0 0 20px rgba(255, 107, 26, 0.1);
}

.circuit-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--orange);
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}

.circuit-date {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--yellow);
    text-shadow: 0 0 15px var(--yellow);
    letter-spacing: 1px;
}

.hero-cta {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    margin-bottom: var(--space-3xl);
    flex-wrap: wrap;
}

.btn {
    padding: 1.25rem 3rem;
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: 2px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--orange), var(--yellow));
    color: var(--blue-dark);
    clip-path: polygon(8% 0, 100% 0, 92% 100%, 0 100%);
}

.btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(255, 215, 0, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--cyan);
    border: 3px solid var(--cyan);
    clip-path: polygon(0 0, 92% 0, 100% 100%, 8% 100%);
}

.btn-secondary:hover {
    background: var(--cyan);
    color: var(--blue-dark);
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0, 217, 255, 0.5);
}

.btn-glitch {
    position: relative;
    display: inline-block;
}

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

.speed-label {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
    letter-spacing: 2px;
    margin-bottom: var(--space-md);
}

.speedometer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xl);
    background: var(--panel-bg);
    border: 3px solid var(--cyan);
    box-shadow:
        0 0 30px rgba(0, 217, 255, 0.4),
        inset 0 0 30px rgba(0, 217, 255, 0.1);
    clip-path: polygon(2% 0, 98% 0, 100% 100%, 0 100%);
}

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

.speed-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 900;
    color: var(--yellow);
    text-shadow: 0 0 20px var(--yellow);
    line-height: 1;
}

.speed-unit {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 1px;
    margin-top: 0.25rem;
}

.speed-divider {
    font-size: 2.5rem;
    color: var(--cyan);
    text-shadow: 0 0 15px var(--cyan);
    font-weight: 700;
}

/* ========================================
   SECTIONS
   ======================================== */
.section {
    padding: var(--space-3xl) 0;
    position: relative;
}

.section-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 10px,
            rgba(0, 217, 255, 0.02) 10px,
            rgba(0, 217, 255, 0.02) 20px
        );
    pointer-events: none;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.title-glitch {
    position: relative;
    display: inline-block;
    background: linear-gradient(135deg, var(--orange), var(--yellow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 40px rgba(255, 215, 0, 0.5);
}

.section-lead {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--text-secondary);
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ========================================
   PANEL SYSTEM
   ======================================== */
.panel-border {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 2px solid var(--panel-border);
    clip-path: polygon(0 0, 96% 0, 100% 10px, 100% 100%, 4% 100%, 0 calc(100% - 10px));
    pointer-events: none;
}

.panel-corner {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 20px;
    height: 20px;
    border-top: 2px solid var(--orange);
    border-right: 2px solid var(--orange);
}

.card-border {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 2px solid var(--cyan);
    pointer-events: none;
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

/* ========================================
   MISSION GRID
   ======================================== */
.mission-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
}

.mission-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.mission-card,
.stat-card,
.builders-card {
    background: var(--panel-bg);
    padding: var(--space-xl);
    position: relative;
    transition: all 0.3s ease;
}

.mission-card:hover .card-border,
.stat-card:hover .card-border,
.builders-card:hover .card-border {
    opacity: 1;
    box-shadow: 0 0 20px var(--cyan);
}

.main-mission {
    grid-column: span 4;
}

.card-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.card-icon {
    font-size: 2rem;
}

.card-header h3 {
    font-size: 1.75rem;
    color: var(--yellow);
    letter-spacing: 1px;
}

.mission-split {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--space-xl);
}

.mission-label {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--orange);
    letter-spacing: 2px;
    margin-bottom: var(--space-sm);
}

.mission-item p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.mission-divider {
    width: 2px;
    background: linear-gradient(180deg, transparent, var(--cyan), transparent);
}

.stat-card {
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    flex: 0 0 auto;
    width: 350px;
    min-height: 250px;
}

.stat-display {
    font-family: var(--font-display);
    font-size: 4.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--orange), var(--yellow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--space-md);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.builders-card {
    grid-column: span 4;
}

.builders-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.tag {
    padding: 0.5rem 1.25rem;
    background: rgba(255, 107, 26, 0.1);
    border: 1px solid var(--orange);
    color: var(--orange-bright);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 1px;
    clip-path: polygon(5% 0, 100% 0, 95% 100%, 0 100%);
}

.builders-note {
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.7;
}

/* ========================================
   TRACKS TIMELINE
   ======================================== */
.section-tracks {
    background: linear-gradient(180deg, #1A2744 0%, #0D1525 100%);
}

.tracks-timeline {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
}

.timeline-track {
    flex: 1;
    min-width: 320px;
    max-width: 400px;
}

.track-panel {
    background: var(--panel-bg);
    padding: var(--space-xl);
    position: relative;
    transition: all 0.4s ease;
}

.track-panel:hover {
    transform: translateY(-10px);
}

.track-panel:hover .panel-border {
    box-shadow: 0 0 30px var(--cyan);
}

.track-number {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--orange), var(--yellow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.track-icon {
    font-size: 3.5rem;
    margin-bottom: var(--space-md);
}

.track-name {
    font-size: 1.75rem;
    color: var(--text-primary);
    letter-spacing: 1px;
    margin-bottom: var(--space-sm);
}

.track-era {
    font-size: 0.875rem;
    color: var(--cyan);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: var(--space-md);
}

.track-description {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.track-motto {
    padding-top: var(--space-md);
    border-top: 2px solid rgba(255, 107, 26, 0.3);
    font-style: italic;
    color: var(--orange);
    font-weight: 600;
}

.timeline-connector {
    font-size: 3rem;
    color: var(--cyan);
    text-shadow: 0 0 30px var(--cyan);
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        text-shadow: 0 0 20px var(--cyan);
        transform: scale(1);
    }
    50% {
        text-shadow: 0 0 40px var(--cyan), 0 0 60px var(--yellow);
        transform: scale(1.2);
    }
}

/* ========================================
   SCHEDULE
   ======================================== */
.schedule-alert {
    display: inline-block;
    padding: 0.75rem 2rem;
    background: rgba(255, 107, 26, 0.1);
    border: 2px solid var(--orange);
    color: var(--orange);
    font-weight: 700;
    letter-spacing: 1px;
    clip-path: polygon(5% 0, 100% 0, 95% 100%, 0 100%);
}

.schedule-days {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: var(--space-2xl);
}

.day-panel {
    background: var(--panel-bg);
    padding: var(--space-xl);
    position: relative;
}

.day-header {
    margin-bottom: var(--space-xl);
}

.day-header h3 {
    font-size: 2rem;
    color: var(--orange);
    letter-spacing: 1px;
    margin-bottom: var(--space-sm);
}

.day-date {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.events-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.event-item {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background: rgba(0, 217, 255, 0.05);
    border-left: 3px solid var(--cyan);
    transition: all 0.3s ease;
}

.event-item:hover {
    transform: translateX(10px);
    background: rgba(0, 217, 255, 0.1);
    border-left-color: var(--orange);
}

.event-item.highlight {
    background: rgba(255, 107, 26, 0.1);
    border-left-color: var(--orange);
}

.event-time {
    font-family: var(--font-mono);
    color: var(--cyan);
    min-width: 60px;
    flex-shrink: 0;
    font-weight: 700;
}

.event-details h4 {
    color: var(--text-primary);
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
    letter-spacing: 0.5px;
}

.event-details p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

/* ========================================
   SPONSORS
   ======================================== */
.section-sponsors {
    background: linear-gradient(180deg, #0D1525 0%, #1A2744 100%);
}

.sponsor-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-3xl);
}

.benefit-panel {
    background: var(--panel-bg);
    padding: var(--space-xl);
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
}

.benefit-panel:hover {
    transform: translateY(-10px);
}

.benefit-panel:hover .panel-border {
    box-shadow: 0 0 20px var(--cyan);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.benefit-panel h4 {
    font-size: 1.25rem;
    color: var(--yellow);
    margin-bottom: var(--space-sm);
    letter-spacing: 1px;
}

.benefit-panel p {
    color: var(--text-secondary);
}

.tiers-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.tier-panel {
    background: var(--panel-bg);
    padding: var(--space-xl);
    position: relative;
    transition: all 0.3s ease;
}

.tier-stripe {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.tier-panel.gold .tier-stripe {
    background: linear-gradient(90deg, var(--yellow), var(--orange));
}

.tier-panel.silver .tier-stripe {
    background: linear-gradient(90deg, #C0C0C0, #E8E8E8);
}

.tier-panel.bronze .tier-stripe {
    background: linear-gradient(90deg, #CD7F32, #B87333);
}

.tier-panel.inkind .tier-stripe {
    background: linear-gradient(90deg, var(--purple-lightning), var(--cyan));
}

.tier-panel:hover {
    transform: translateY(-10px);
}

.tier-panel:hover .panel-border {
    box-shadow: 0 0 20px var(--cyan);
}

.tier-top {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 2px solid rgba(0, 217, 255, 0.2);
}

.tier-badge {
    font-size: 3rem;
}

.tier-info h3 {
    font-size: 1.75rem;
    color: var(--text-primary);
    letter-spacing: 1px;
    margin-bottom: 0.25rem;
}

.tier-price {
    font-family: var(--font-mono);
    color: var(--cyan);
    font-weight: 700;
    font-size: 1.125rem;
}

.tier-perks {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.tier-perks li {
    padding-left: 2rem;
    color: var(--text-secondary);
    position: relative;
    line-height: 1.6;
}

.tier-perks li::before {
    content: '⚡';
    position: absolute;
    left: 0;
    color: var(--orange);
}

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

/* ========================================
   FAQ
   ======================================== */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: var(--space-lg);
}

.faq-panel {
    background: var(--panel-bg);
    padding: var(--space-xl);
    position: relative;
    transition: all 0.3s ease;
}

.faq-panel:hover {
    transform: translateX(10px);
}

.faq-panel:hover .panel-border {
    box-shadow: 0 0 20px var(--cyan);
}

.faq-question {
    font-size: 1.25rem;
    color: var(--yellow);
    margin-bottom: var(--space-md);
    letter-spacing: 0.5px;
}

.faq-answer {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ========================================
   AISC & CONTACT
   ======================================== */
.section-aisc {
    background: linear-gradient(180deg, #1A2744 0%, #0D1525 100%);
}

.aisc-panel {
    max-width: 900px;
    margin: 0 auto;
    background: var(--panel-bg);
    padding: var(--space-3xl);
    position: relative;
    text-align: center;
}

.aisc-lead {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-xl);
}

.aisc-mission {
    padding: var(--space-xl);
    background: rgba(255, 107, 26, 0.05);
    border-left: 4px solid var(--orange);
    margin: var(--space-xl) 0;
}

.aisc-mission h3 {
    font-size: 2rem;
    background: linear-gradient(135deg, var(--orange), var(--yellow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
}

.aisc-network {
    color: var(--text-secondary);
    line-height: 1.8;
}

.aisc-link {
    margin-top: var(--space-lg);
    color: var(--text-secondary);
    font-size: 1rem;
}

.aisc-link a {
    color: var(--cyan);
    text-decoration: none;
    transition: all 0.3s ease;
    border-bottom: 1px solid transparent;
}

.aisc-link a:hover {
    color: var(--yellow);
    border-bottom: 1px solid var(--yellow);
    text-shadow: 0 0 10px var(--yellow);
}

.contact-panels {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-lg);
}

.contact-panel {
    background: var(--panel-bg);
    padding: var(--space-xl);
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
}

.contact-panel:hover {
    transform: translateY(-10px);
}

.contact-panel:hover .panel-border {
    box-shadow: 0 0 20px var(--cyan);
}

.contact-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.contact-panel h4 {
    font-size: 1.25rem;
    color: var(--yellow);
    letter-spacing: 1px;
    margin-bottom: var(--space-md);
}

.contact-panel a {
    color: var(--cyan);
    text-decoration: none;
    transition: all 0.3s ease;
}

.contact-panel a:hover {
    color: var(--orange);
    text-shadow: 0 0 10px var(--orange);
}

.contact-panel p {
    color: var(--text-secondary);
    margin-top: 0.5rem;
    font-size: 0.9375rem;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--blue-dark);
    border-top: 2px solid var(--cyan);
    padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-section h4 {
    font-size: 1.125rem;
    color: var(--orange);
    letter-spacing: 1px;
    margin-bottom: var(--space-md);
}

.footer-section p,
.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--cyan);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(0, 217, 255, 0.2);
}

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 968px) {
    .mission-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .main-mission,
    .builders-card {
        grid-column: span 2;
    }

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

    .mission-divider {
        height: 2px;
        width: 100%;
        background: linear-gradient(90deg, transparent, var(--cyan), transparent);
    }

    .tracks-timeline {
        flex-direction: column;
    }

    .timeline-connector {
        transform: rotate(90deg);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(13, 21, 37, 0.98);
        flex-direction: column;
        padding: var(--space-lg);
        border-top: 2px solid var(--cyan);
        gap: var(--space-md);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-cta {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero {
        padding: calc(80px + var(--space-xl)) var(--space-md) var(--space-xl);
    }

    .time-display {
        flex-direction: column;
    }

    .speedometer {
        flex-wrap: wrap;
        padding: var(--space-lg);
    }

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

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

    .main-mission,
    .stat-card,
    .builders-card {
        grid-column: span 1;
    }

    .schedule-days,
    .faq-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --space-lg: 1rem;
        --space-xl: 2rem;
        --space-2xl: 3rem;
        --space-3xl: 4rem;
    }

    .hero-title {
        font-size: 3rem;
    }

    .speedometer {
        gap: var(--space-xs);
    }

    .speed-number {
        font-size: 2rem;
    }

    .speed-divider {
        font-size: 2rem;
    }
}

/* ========================================
   ANIMATIONS & EFFECTS
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-container > * {
    animation: fadeInUp 1s ease-out backwards;
}

.hero-badge { animation-delay: 0.1s; }
.hero-title { animation-delay: 0.2s; }
.hero-tagline { animation-delay: 0.3s; }
.time-display { animation-delay: 0.4s; }
.hero-cta { animation-delay: 0.5s; }
.speed-display { animation-delay: 0.6s; }

/* Scanline Effect */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.15),
        rgba(0, 0, 0, 0.15) 1px,
        transparent 1px,
        transparent 2px
    );
    pointer-events: none;
    z-index: 9998;
    opacity: 0.5;
}