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

:root {
    --bg: #F2EAD3;
    --primary: #8B6914;
    --secondary: #C4956A;
    --accent: #4A7C59;
    --dark: #1C1810;
    --pearl: #D4B483;
    --font-ui: 'Manrope', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

html { scroll-behavior: smooth; }

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

/* === Hero === */
.hero {
    position: relative;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--dark) 0%, #2a2418 60%, #3a3020 100%);
    overflow: hidden;
}

.hero-circuit {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(90deg, rgba(139,105,20,0.08) 1px, transparent 1px),
        linear-gradient(rgba(139,105,20,0.08) 1px, transparent 1px);
    background-size: 40px 40px;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 3rem 2rem;
}

.hero-title {
    font-family: var(--font-ui);
    font-size: clamp(2.5rem, 7vw, 5rem);
    font-weight: 800;
    color: var(--bg);
    letter-spacing: -0.02em;
}

.hero-title .dot {
    color: var(--accent);
}

.hero-subtitle {
    font-family: var(--font-mono);
    font-size: clamp(0.85rem, 2vw, 1.1rem);
    color: var(--pearl);
    margin: 1rem 0 2rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.btn-y2k {
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: 1rem;
    padding: 0.8rem 2.2rem;
    border: none;
    border-radius: 50px;
    background: linear-gradient(145deg, var(--pearl), var(--secondary));
    color: var(--dark);
    cursor: pointer;
    box-shadow: 4px 4px 0 var(--primary), inset 0 1px 0 rgba(255,255,255,0.3);
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-y2k:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--primary), inset 0 1px 0 rgba(255,255,255,0.3);
}

.iridescent-strip {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--pearl), var(--secondary), var(--primary), var(--accent));
    background-size: 200% 100%;
    animation: shimmer 4s linear infinite;
}

@keyframes shimmer {
    0% { background-position: 0% 0; }
    100% { background-position: 200% 0; }
}

/* === Terminal Section === */
.terminal-section {
    padding: 4rem 2rem;
    display: flex;
    justify-content: center;
}

.terminal-window {
    width: 100%;
    max-width: 680px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 12px 40px rgba(28,24,16,0.2);
}

.terminal-chrome {
    background: linear-gradient(180deg, #3a3020, #2a2418);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dot-red, .dot-yellow, .dot-green {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot-red { background: #e55; }
.dot-yellow { background: #ed4; }
.dot-green { background: var(--accent); }

.terminal-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--pearl);
    margin-left: 0.5rem;
}

.terminal-body {
    background: var(--dark);
    padding: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--bg);
    line-height: 1.8;
}

.terminal-body .prompt {
    color: var(--accent);
    font-weight: 700;
}

.terminal-body .output {
    color: var(--pearl);
    padding-left: 1.2rem;
}

/* === Features / Card Flip === */
.features {
    padding: 4rem 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.section-title {
    font-family: var(--font-ui);
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 2rem;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.card-container {
    perspective: 900px;
    height: 280px;
}

.card {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
    cursor: pointer;
}

.card.flipped {
    transform: rotateY(180deg);
}

.card-front, .card-back {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    border-radius: 12px;
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    /* Leather texture */
    background: linear-gradient(145deg, #e8dcc4, #ddd0b8);
    box-shadow:
        inset 0 2px 6px rgba(28,24,16,0.15),
        inset 0 -2px 6px rgba(28,24,16,0.1),
        0 4px 16px rgba(28,24,16,0.1);
}

.card-back {
    transform: rotateY(180deg);
    background: linear-gradient(145deg, var(--dark), #2a2418);
    color: var(--bg);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.card-front h3, .card-back h3 {
    font-family: var(--font-ui);
    font-weight: 700;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.card-front h3 { color: var(--primary); }
.card-back h3 { color: var(--pearl); }

.card-front p { color: var(--dark); font-size: 0.95rem; }
.card-back p { color: var(--pearl); font-size: 0.9rem; line-height: 1.6; }

/* === Docs / Get Started === */
.docs-section {
    padding: 4rem 2rem;
    max-width: 700px;
}

.docs-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.code-block {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(28,24,16,0.15);
}

.code-block pre {
    background: var(--dark);
    padding: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--accent);
    line-height: 1.8;
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.step-num {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    min-width: 2.5rem;
}

.step h4 {
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.25rem;
}

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

/* === Footer === */
.footer {
    padding: 2rem;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--secondary);
    border-top: 1px solid var(--pearl);
}