:root {
    /* Colors */
    --bg-dark: #050510;
    --bg-card: #0F0F1A;
    --bg-overlay: rgba(15, 15, 26, 0.85);

    --primary: #9D4EDD;
    --primary-glow: #9D4EDD80;
    --accent: #00B4D8;
    --text-primary: #FFFFFF;
    --text-secondary: #8B8B9E;
    --text-tertiary: #525263;

    --success: #00F5D4;
    --warning: #F15BB5;
    --danger: #FF0054;

    /* Fonts */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 32px;
    --space-xl: 64px;

    /* Effects */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --shadow-glow: 0 0 20px var(--primary-glow);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --backdrop-blur: blur(20px);

    /* Transitions */
    --ease-elastic: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --ease-smooth: cubic-bezier(0.4, 0.0, 0.2, 1);
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.5;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Nav */
.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg) var(--space-xl);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: linear-gradient(180deg, var(--bg-dark) 0%, transparent 100%);
    backdrop-filter: blur(2px);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: 1px;
}

.logo-icon {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: var(--space-xl);
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--text-primary);
}

.nav-status {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.75rem;
    color: var(--success);
    border: 1px solid rgba(0, 245, 212, 0.2);
    padding: 6px 12px;
    border-radius: 20px;
    background: rgba(0, 245, 212, 0.05);
}

.status-indicator {
    width: 8px;
    height: 8px;
    background-color: var(--success);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--success);
    animation: pulse 2s infinite;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    padding: 0 var(--space-xl);
    padding-top: 80px;
    /* Nav offest */
    gap: var(--space-xl);
    max-width: 1440px;
    margin: 0 auto;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    z-index: 10;
}

.phase-indicator {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--primary);
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.pulsing-dot {
    width: 6px;
    height: 6px;
    background-color: var(--primary);
    border-radius: 50%;
    animation: pulse-purple 2s infinite;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 5rem;
    line-height: 0.9;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: -2px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    color: var(--text-secondary);
    max-width: 450px;
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Countdown */
.countdown-container {
    display: flex;
    gap: var(--space-lg);
    margin: var(--space-md) 0;
}

.countdown-unit {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 16px 24px;
    border-radius: var(--radius-md);
    min-width: 90px;
}

.time-value {
    font-family: var(--font-heading);
    font-size: 2rem;
    /* Reduced from 2.5rem */
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    line-height: 1.1;
    color: var(--text-primary);
}

.final-seconds {
    color: var(--warning);
    text-shadow: 0 0 15px rgba(241, 91, 181, 0.4);
}

.time-label {
    font-size: 0.65rem;
    color: var(--text-tertiary);
    letter-spacing: 1px;
    margin-top: 4px;
}

/* Sync Status */
.server-sync-status {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-tertiary);
    font-size: 0.75rem;
    letter-spacing: 1px;
    margin-top: -10px;
}

.sync-icon {
    width: 14px;
    height: 14px;
    animation: spin-slow 10s linear infinite;
}

/* Inventory Status */
.inventory-status-card {
    background: linear-gradient(180deg, rgba(15, 15, 26, 0.5) 0%, rgba(15, 15, 26, 0) 100%);
    border: 1px solid var(--glass-border);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    margin-top: var(--space-md);
}

.inventory-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.current-stock-val {
    color: var(--primary);
}

.sub-text {
    color: var(--text-tertiary);
    font-size: 0.7rem;
    margin-left: 4px;
}

/* Stock Bar */
.stock-progress-track {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--space-sm);
    position: relative;
}

.stock-progress-fill {
    height: 100%;
    width: var(--progress, 100%);
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
    border-radius: 4px;
    box-shadow: 0 0 15px var(--primary-glow);
    transition: width 0.5s cubic-bezier(0.25, 1, 0.5, 1);
    position: relative;
}

/* Pulse animation on purchase */
.stock-progress-fill.pulse {
    animation: bar-pulse 0.4s ease-out;
}

.inventory-footer {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    color: var(--text-tertiary);
}

.demand-level {
    color: var(--warning);
    font-weight: 600;
}

/* Pre Order Button */
.cta-container {
    margin-top: var(--space-lg);
    position: relative;
}

.pre-order-btn {
    width: 100%;
    padding: 24px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
    transition: all 0.4s var(--ease-elastic);
    background: transparent;
    color: var(--text-primary);
    z-index: 10;
}

.pre-order-btn::before {
    /* Gradient Border */
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-sm);
    padding: 1px;
    background: linear-gradient(90deg, var(--text-tertiary), rgba(255, 255, 255, 0.1));
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    transition: all 0.4s ease;
}

/* Disabled State */
.pre-order-btn.disabled {
    cursor: not-allowed;
    color: var(--text-tertiary);
    background: rgba(255, 255, 255, 0.02);
}

.btn-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    z-index: 2;
    position: relative;
}

.lock-icon {
    width: 20px;
    height: 20px;
}

/* Active State */
.pre-order-btn.active {
    background: var(--primary);
    box-shadow: 0 0 40px var(--primary-glow);
    transform: scale(1.02);
}

.pre-order-btn.active::before {
    background: linear-gradient(90deg, var(--accent), var(--primary));
    opacity: 0;
    /* Hide border on active filled */
}

/* 3D Product Stage */
.product-stage {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: 1000px;
}

.product-container {
    position: relative;
    width: 400px;
    height: 400px;
    transform-style: preserve-3d;
}

.product-model {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    transform: rotateX(10deg) rotateY(-15deg);
    transition: transform 0.1s ease-out;
    /* Smooth follow with mouse/scroll */
}

/* Simplified Cube/Box Representation for 3D Product */
.model-face {
    position: absolute;
    width: 400px;
    height: 400px;
    background: var(--bg-card);
    /* Placeholder texture */
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    backface-visibility: hidden;
    box-shadow: inset 0 0 50px rgba(0, 0, 0, 0.8);
    overflow: hidden;
}

.front {
    transform: translateZ(200px);
    background: #e0e0e0;
}

.back {
    transform: rotateY(180deg) translateZ(200px);
    background: #333;
}

.right {
    transform: rotateY(90deg) translateZ(200px);
    background: #222;
}

.left {
    transform: rotateY(-90deg) translateZ(200px);
    background: #222;
}

.top {
    transform: rotateX(90deg) translateZ(200px);
    width: 400px;
    height: 400px;
    background: #111;
}

.bottom {
    transform: rotateX(-90deg) translateZ(200px);
    width: 400px;
    height: 400px;
    background: #111;
}

/* Customizing the front face with an image or gradient */
.front .face-content {
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 30%, #f5f5f5, #ccc);
    position: relative;
}

/* Bezel/Screen look */
.front::after {
    content: '';
    position: absolute;
    inset: 20px;
    background: #000;
    border-radius: 4px;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.8);
}

/* Product Graphic inside screen */
.front::before {
    content: '';
    position: absolute;
    inset: 25px;
    z-index: 2;
    background: url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?auto=format&fit=crop&q=80&w=800') center/cover no-repeat;
    opacity: 0.8;
}

.face-label {
    position: absolute;
    top: 40px;
    left: 40px;
    font-size: 0.6rem;
    color: #666;
    letter-spacing: 1px;
    z-index: 5;
}

.face-id {
    position: absolute;
    top: 55px;
    left: 40px;
    font-family: var(--font-heading);
    font-weight: 700;
    color: #111;
    z-index: 5;
}

.product-shadow {
    position: absolute;
    bottom: -150px;
    left: 50%;
    transform: translateX(-50%) rotateX(90deg);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(157, 78, 221, 0.2) 0%, transparent 60%);
    filter: blur(20px);
    z-index: -1;
}


/* Markers */
.feature-marker {
    position: absolute;
    top: 60%;
    right: 0%;
    opacity: 0;
    transform: translateY(20px);
    animation: fade-in-up 1s forwards 1s;
    display: flex;
    align-items: center;
    gap: 16px;
}

.marker-line {
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--text-primary));
}

.marker-text {
    display: flex;
    flex-direction: column;
}

.marker-title {
    font-size: 0.6rem;
    color: var(--text-tertiary);
    letter-spacing: 1px;
}

.marker-value {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-primary);
}


/* Specs Section */
.specs-section {
    padding: var(--space-xl);
    background: #080812;
    border-top: 1px solid var(--glass-border);
}

.spec-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    max-width: 1440px;
    margin: 0 auto;
}

.spec-card {
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.spec-card:hover {
    opacity: 1;
}

.spec-label {
    display: block;
    font-size: 0.65rem;
    color: var(--text-tertiary);
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.spec-value {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
}


/* Checkout Overlay */
.checkout-overlay {
    position: fixed;
    inset: 0;
    background: rgba(5, 5, 16, 0.6);
    backdrop-filter: blur(10px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.checkout-overlay.hidden {
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    /* Added visibility for a11y */
}

.checkout-modal {
    background: var(--bg-card);
    width: 100%;
    max-width: 500px;
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    position: relative;
    transform: scale(1);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.checkout-overlay.hidden .checkout-modal {
    transform: scale(0.9);
}

.close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    width: 32px;
    height: 32px;
}

.close-btn:hover {
    color: var(--text-primary);
}

.checkout-header {
    margin-bottom: var(--space-lg);
    text-align: center;
}

.checkout-header h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    margin-bottom: 8px;
}

.checkout-timer {
    font-family: monospace;
    color: var(--warning);
    font-size: 0.9rem;
}

/* Plan Selection */
.plan-selection {
    display: grid;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.plan-card {
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 20px;
    cursor: pointer;
    transition: all 0.2s ease;
    background: rgba(255, 255, 255, 0.02);
}

.plan-card:hover {
    background: rgba(255, 255, 255, 0.05);
}

.plan-card.selected {
    border-color: var(--primary);
    background: rgba(157, 78, 221, 0.1);
    box-shadow: 0 0 20px rgba(157, 78, 221, 0.1);
}

.plan-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4px;
    font-weight: 600;
}

.plan-price {
    font-family: var(--font-heading);
}

.plan-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Summary */
.checkout-summary {
    border-top: 1px solid var(--glass-border);
    padding-top: var(--space-md);
    margin-bottom: var(--space-lg);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.summary-row.total {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.1rem;
    margin-top: 16px;
    font-family: var(--font-heading);
}

/* Submit */
.checkout-submit-btn {
    width: 100%;
    padding: 18px;
    background: var(--text-primary);
    color: var(--bg-dark);
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: background 0.2s ease;
}

.checkout-submit-btn:hover {
    background: #ccc;
}


/* Early Bird Badge */
.supporter-badge {
    position: fixed;
    top: 100px;
    right: 32px;
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.3);
    color: #FFD700;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 90;
    backdrop-filter: blur(5px);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.supporter-badge.hidden {
    transform: translateX(100%);
    opacity: 0;
}


/* Animations */
@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.5);
        opacity: 0.5;
    }

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

@keyframes pulse-purple {
    0% {
        box-shadow: 0 0 0 0 rgba(157, 78, 221, 0.7);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(157, 78, 221, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(157, 78, 221, 0);
    }
}

@keyframes spin-slow {
    100% {
        transform: rotate(360deg);
    }
}

@keyframes fade-in-up {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bar-pulse {
    0% {
        filter: brightness(1);
    }

    50% {
        filter: brightness(2);
    }

    100% {
        filter: brightness(1);
    }
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .hero-section {
        grid-template-columns: 1fr;
        padding-top: 100px;
        text-align: center;
    }

    .hero-content {
        align-items: center;
    }

    .hero-title {
        font-size: 3.5rem;
    }

    .countdown-container {
        gap: var(--space-sm);
    }

    .countdown-unit {
        min-width: 70px;
        padding: 12px 16px;
    }

    .product-stage {
        height: 500px;
    }

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