:root {
    --orange: #e57125;
    --orange-hover: #cf6520;
    --dark: #1e1e1e;
    --darker: #161616;
    --charcoal: #2b2b2b;
    --gray-light: #f5f5f5;
    --gray-mid: #888;
    --gray-border: #333;
    --white: #ffffff;
    --code-bg: #0d1117;
    --code-border: #30363d;
}

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

body {
    font-family: 'Lato', sans-serif;
    color: var(--white);
    background: var(--dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ── Navigation ── */
.site-nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: rgba(22, 22, 22, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-border);
}

.site-nav .nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.site-nav .logo {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.4rem;
    color: var(--white);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.site-nav .logo span { color: var(--orange); }

.site-nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.site-nav a {
    color: var(--gray-mid);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 400;
    transition: color 0.2s;
}

.site-nav a:hover { color: var(--white); }

.site-nav .nav-cta {
    background: var(--orange);
    color: var(--white);
    padding: 0.5rem 1.25rem;
    border-radius: 6px;
    font-weight: 600;
    transition: background 0.2s;
}

.site-nav .nav-cta:hover { background: var(--orange-hover); color: var(--white); }

/* ── Hero ── */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 2rem 4rem;
    background:
        radial-gradient(ellipse at 30% 20%, rgba(229, 113, 37, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 70% 80%, rgba(229, 113, 37, 0.05) 0%, transparent 50%),
        var(--dark);
}

.hero-content { max-width: 800px; }

.hero-badge {
    display: inline-block;
    background: rgba(229, 113, 37, 0.15);
    color: var(--orange);
    padding: 0.35rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 2rem;
    border: 1px solid rgba(229, 113, 37, 0.3);
}

.hero h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero h1 .accent { color: var(--orange); }

.hero p {
    font-size: 1.25rem;
    color: var(--gray-mid);
    max-width: 600px;
    margin: 0 auto 2.5rem;
    font-weight: 300;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 0.85rem 2rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--orange);
    color: var(--white);
}

.btn-primary:hover { background: var(--orange-hover); transform: translateY(-1px); }

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 1px solid var(--gray-border);
}

.btn-outline:hover { border-color: var(--gray-mid); transform: translateY(-1px); }

/* ── Hero Code Preview ── */
.hero-code {
    margin-top: 3.5rem;
    text-align: left;
    background: var(--code-bg);
    border: 1px solid var(--code-border);
    border-radius: 12px;
    overflow: hidden;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
}

.code-header {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid var(--code-border);
}

.code-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray-border);
}

.code-dot:nth-child(1) { background: #ff5f57; }
.code-dot:nth-child(2) { background: #febc2e; }
.code-dot:nth-child(3) { background: #28c840; }

.code-header span {
    margin-left: auto;
    font-size: 0.75rem;
    color: var(--gray-mid);
    font-family: 'JetBrains Mono', monospace;
}

.hero-code pre {
    padding: 1.25rem 1.5rem;
    overflow-x: auto;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.7;
}

.hero-code code { color: #e6edf3; }
.kw { color: #ff7b72; }
.ann { color: #d2a8ff; }
.str { color: #a5d6ff; }
.typ { color: #79c0ff; }
.cmt { color: #8b949e; }
.param { color: #ffa657; }

/* ── Sections ── */
section {
    padding: 6rem 2rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-label {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--orange);
    margin-bottom: 1rem;
}

.section-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray-mid);
    max-width: 600px;
    font-weight: 300;
    margin-bottom: 3.5rem;
}

/* ── Philosophy ── */
.philosophy {
    background: var(--darker);
    border-top: 1px solid var(--gray-border);
    border-bottom: 1px solid var(--gray-border);
}

.philosophy-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.philosophy blockquote {
    font-size: 1.6rem;
    font-weight: 300;
    line-height: 1.5;
    border-left: 3px solid var(--orange);
    padding-left: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
}

.philosophy blockquote em {
    color: var(--orange);
    font-style: normal;
    font-weight: 600;
}

.stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.stat {
    background: var(--charcoal);
    border-radius: 12px;
    padding: 1.75rem;
    border: 1px solid var(--gray-border);
}

.stat-number {
    font-family: 'Montserrat', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--orange);
}

.stat-desc {
    font-size: 0.9rem;
    color: var(--gray-mid);
    margin-top: 0.25rem;
}

/* ── Features ── */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    display: block;
    background: var(--charcoal);
    border: 1px solid var(--gray-border);
    border-radius: 12px;
    padding: 2rem;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
    border-color: var(--orange);
    transform: translateY(-2px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: rgba(229, 113, 37, 0.12);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    font-size: 1.5rem;
}

.feature-card h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--gray-mid);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ── Code Examples ── */
.examples { background: var(--darker); border-top: 1px solid var(--gray-border); }

.example-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--gray-border);
}

.tab {
    padding: 0.85rem 1.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--gray-mid);
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
    font-family: 'Lato', sans-serif;
}

.tab:hover { color: var(--white); }
.tab.active { color: var(--orange); border-bottom-color: var(--orange); }

.example-panel { display: none; }
.example-panel.active { display: block; }

.example-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

.example-desc h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.example-desc p {
    color: var(--gray-mid);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.example-desc ul {
    list-style: none;
    padding: 0;
}

.example-desc li {
    color: var(--gray-mid);
    padding: 0.35rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.example-desc li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.85rem;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--orange);
}

.code-block {
    background: var(--code-bg);
    border: 1px solid var(--code-border);
    border-radius: 12px;
    overflow: hidden;
}

.code-block pre {
    padding: 1.5rem;
    overflow-x: auto;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.82rem;
    line-height: 1.7;
}

.code-block code { color: #e6edf3; }

/* ── Table Output ── */
.table-showcase { border-bottom: 1px solid var(--gray-border); }

.table-demo {
    background: var(--code-bg);
    border: 1px solid var(--code-border);
    border-radius: 12px;
    padding: 1.5rem;
    margin-top: 2rem;
    overflow-x: auto;
}

.table-demo pre {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.82rem;
    line-height: 1.6;
    color: #e6edf3;
}

.table-styles {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.table-style-card {
    background: var(--code-bg);
    border: 1px solid var(--code-border);
    border-radius: 10px;
    padding: 1.25rem;
}

.table-style-card h4 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--orange);
    margin-bottom: 0.75rem;
}

.table-style-card pre {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    line-height: 1.5;
    color: #8b949e;
}

/* ── Getting Started ── */
.getting-started {
    background: var(--darker);
    border-top: 1px solid var(--gray-border);
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.step {
    position: relative;
    padding: 2rem;
    background: var(--charcoal);
    border: 1px solid var(--gray-border);
    border-radius: 12px;
}

.step-number {
    font-family: 'Montserrat', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: rgba(229, 113, 37, 0.15);
    position: absolute;
    top: 1rem;
    right: 1.5rem;
}

.step h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.step p {
    color: var(--gray-mid);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.step code {
    display: block;
    background: var(--code-bg);
    border: 1px solid var(--code-border);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    color: #e6edf3;
    overflow-x: auto;
}

/* ── Footer ── */
footer {
    padding: 4rem 2rem 2rem;
    border-top: 1px solid var(--gray-border);
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
}

.footer-brand .logo {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.footer-brand .logo span { color: var(--orange); }

.footer-brand p {
    color: var(--gray-mid);
    font-size: 0.9rem;
    line-height: 1.6;
}

footer h4 {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

footer ul { list-style: none; }

footer li { margin-bottom: 0.5rem; }

footer a {
    color: var(--gray-mid);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

footer a:hover { color: var(--orange); }

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--gray-mid);
}

/* ── Responsive ── */
@media (max-width: 900px) {
    .hero h1 { font-size: 2.5rem; }
    .features-grid { grid-template-columns: 1fr; }
    .example-grid { grid-template-columns: 1fr; }
    .philosophy-grid { grid-template-columns: 1fr; gap: 2rem; }
    .steps { grid-template-columns: 1fr; }
    .table-styles { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
    .hero h1 { font-size: 2rem; }
    .site-nav ul { display: none; }
    .stat-grid { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; }
}