:root {
    --bg: #f2f2ee;
    --fg: #1a1a1a;
    --accent: #ff3c00; /* Subtle warm orange/red accent */
    --border: rgba(26, 26, 26, 0.1);
}

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

body {
    background-color: var(--bg);
    color: var(--fg);
    font-family: 'Inter', sans-serif;
    line-height: 1.4;
    overflow-x: hidden;
    cursor: crosshair;
}

/* GRAIN TEXTURE EFFECT */
.grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://grainy-gradients.vercel.app/noise.svg');
    opacity: 0.15;
    pointer-events: none;
    z-index: 10000;
}

/* HEADER */
header {
    border-bottom: 1px solid var(--border);
    padding: 2rem 5%;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    font-size: 2rem;
    letter-spacing: -2px;
}

nav a {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    text-decoration: none;
    color: var(--fg);
    margin-left: 3rem;
    font-weight: 700;
}

/* HERO SECTION */
.hero-split {
    display: flex;
    min-height: 80vh;
    border-bottom: 1px solid var(--border);
}

.hero-left {
    flex: 1.5;
    padding: 8rem 5%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border-right: 1px solid var(--border);
}

.meta-data {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    opacity: 0.5;
    letter-spacing: 2px;
    margin-bottom: 2rem;
}

h1 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(4rem, 10vw, 8rem);
    line-height: 0.85;
    letter-spacing: -4px;
    margin-bottom: 3rem;
}

h1 em {
    font-style: italic;
    font-weight: 400;
}

.hero-left p {
    font-size: 1.5rem;
    max-width: 500px;
    font-weight: 300;
}

.hero-cta {
    margin-top: 5rem;
    display: flex;
    align-items: center;
    gap: 3rem;
}

.btn-primary {
    display: inline-block;
    background: var(--fg);
    color: var(--bg);
    border: none;
    padding: 1.5rem 3rem;
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.2s;
}

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

.scroll-indicator {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    opacity: 0.5;
}

/* HERO RIGHT / SPEC CARD */
.hero-right {
    flex: 1;
    background: #fff;
    padding: 5%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.spec-card {
    width: 100%;
    max-width: 400px;
}

.spec-header {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--fg);
    margin-bottom: 2rem;
}

.spec-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.spec-item {
    display: flex;
    flex-direction: column;
}

.spec-item span {
    font-size: 0.7rem;
    opacity: 0.5;
    margin-bottom: 0.2rem;
}

.spec-item strong {
    font-size: 1.25rem;
    font-weight: 700;
}

/* DETAILS */
.detail-section {
    padding: 10rem 5%;
    border-bottom: 1px solid var(--border);
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10%;
}

.detail-box .index {
    font-family: 'JetBrains Mono', monospace;
    display: block;
    margin-bottom: 2rem;
}

.detail-box h3 {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    margin-bottom: 2rem;
}

.detail-box p {
    font-size: 1.1rem;
    line-height: 1.6;
    opacity: 0.8;
}

.detail-box code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9em;
    background: rgba(26, 26, 26, 0.06);
    padding: 0.15em 0.4em;
    border-radius: 3px;
}

/* QUOTE */
.quote-section {
    padding: 15rem 5%;
    text-align: center;
    background: #000;
    color: #fff;
}

blockquote {
    font-family: 'Playfair Display', serif;
    font-size: 4rem;
    line-height: 1;
    max-width: 1000px;
    margin: 0 auto;
}

/* START SECTION */
.start-section {
    padding: 10rem 5%;
    border-bottom: 1px solid var(--border);
}

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

.start-inner h2 {
    font-family: 'Playfair Display', serif;
    font-size: 4rem;
    margin-bottom: 4rem;
}

.terminal {
    background: #1a1a1a;
    color: #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 3rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.terminal-header {
    display: flex;
    gap: 8px;
    padding: 1rem 1.25rem;
    background: rgba(255, 255, 255, 0.05);
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-dot.red { background: #ff5f57; }
.terminal-dot.yellow { background: #febc2e; }
.terminal-dot.green { background: #28c840; }

.terminal pre {
    padding: 1.5rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    line-height: 1.8;
    overflow-x: auto;
}

.terminal .comment {
    color: #6a9955;
}

.start-note {
    font-size: 1.1rem;
    line-height: 1.6;
    opacity: 0.8;
    margin-bottom: 3rem;
}

.start-note code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9em;
    background: rgba(26, 26, 26, 0.06);
    padding: 0.15em 0.4em;
    border-radius: 3px;
}

.start-links {
    display: flex;
    gap: 2rem;
}

/* FOOTER */
footer {
    padding: 4rem 5%;
    display: flex;
    justify-content: space-between;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    opacity: 0.5;
}

@media (max-width: 1024px) {
    .hero-split { flex-direction: column; }
    .hero-left, .hero-right { flex: none; width: 100%; border: none; }
    .detail-grid { grid-template-columns: 1fr; gap: 4rem; }
    h1 { font-size: 5rem; }
    blockquote { font-size: 2.5rem; }
    .start-inner h2 { font-size: 3rem; }
}