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

:root {
    --bg-primary: #08080d;
    --bg-secondary: #0e0e16;
    --bg-card: #12121c;
    --bg-card-hover: #181826;
    --border: #1e1e2e;
    --text-primary: #e8e8ef;
    --text-secondary: #8888a0;
    --text-muted: #55556a;
    --accent: #e84040;
    --accent-glow: #e8404040;
    --accent-soft: #ff6b6b;
    --green: #4ade80;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ── Ambient background ──────────────────────────────────────── */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(ellipse at 20% 20%, #e8404010 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, #4040e808 0%, transparent 50%),
        radial-gradient(ellipse at 50% 0%, #e8404008 0%, transparent 40%);
    pointer-events: none;
    z-index: 0;
}

/* ── Layout ──────────────────────────────────────────────────── */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

section {
    padding: 80px 0;
}

/* ── Typography ──────────────────────────────────────────────── */
h1, h2, h3 { font-weight: 800; }

.section-title {
    font-size: 1.5rem;
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title .chevron {
    color: var(--accent);
    font-size: 1.2rem;
}

/* ── Navigation ──────────────────────────────────────────────── */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 16px 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(8, 8, 13, 0.85);
}

nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-logo .crab-icon {
    width: 44px;
    height: 44px;
    object-fit: contain;
    position: relative;
    top: 1px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

.nav-links .btn-github {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 8px 16px;
    border-radius: 8px;
    color: var(--text-primary);
    font-weight: 600;
    transition: all 0.2s;
}

.nav-links .btn-github:hover {
    border-color: var(--accent);
    background: var(--bg-card-hover);
}

.github-stars {
    color: #f0c040;
    font-size: 0.85em;
    margin-left: 2px;
}

/* ── Hero ────────────────────────────────────────────────────── */
.hero {
    text-align: center;
    padding: 160px 0 80px;
}

.hero-crab {
    width: 240px;
    height: auto;
    margin-bottom: 0;
    display: block;
    margin-left: auto;
    margin-right: auto;
    filter: drop-shadow(0 0 40px var(--accent-glow));
}


.hero h1 {
    font-size: 4rem;
    font-weight: 900;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-soft));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: -8px;
    margin-bottom: 8px;
}

.hero-tagline {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 24px;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 100px;
    padding: 10px 24px 10px 12px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: border-color 0.2s;
    text-decoration: none;
}

.hero-badge:hover {
    border-color: var(--accent);
}

.hero-badge .badge-new {
    background: var(--accent);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 100px;
    letter-spacing: 0.05em;
}

.hero-badge .arrow {
    color: var(--text-muted);
}

/* ── Quick Start ─────────────────────────────────────────────── */
.terminal {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    max-width: 700px;
    margin: 0 auto;
}

.terminal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}

.terminal-dots {
    display: flex;
    gap: 6px;
}

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

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

.terminal-tabs {
    display: flex;
    gap: 0;
}

.terminal-tabs button {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 4px 14px;
    font-size: 0.78rem;
    font-family: var(--font-mono);
    cursor: pointer;
    transition: all 0.2s;
}

.terminal-tabs button:first-child {
    border-radius: 6px 0 0 6px;
}

.terminal-tabs button:last-child {
    border-radius: 0 6px 6px 0;
}

.terminal-tabs button.active {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

.terminal-platform {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.terminal-body {
    padding: 20px 24px;
    font-family: var(--font-mono);
    font-size: 0.88rem;
    line-height: 1.8;
}

.terminal-comment {
    color: var(--text-muted);
}

.terminal-prompt {
    color: var(--green);
}

.terminal-cmd {
    color: var(--text-primary);
}

.download-row {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 12px;
}

.download-btn {
    display: inline-block;
    background: var(--accent);
    color: white;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 10px 24px;
    border-radius: 8px;
    text-decoration: none;
    transition: opacity 0.2s;
}

.download-btn:hover {
    opacity: 0.85;
}

.download-all {
    color: var(--text-muted);
    font-size: 0.8rem;
    text-decoration: none;
    font-family: var(--font-mono);
}

.download-all:hover {
    color: var(--text-secondary);
}

.download-divider {
    color: var(--text-muted);
    font-size: 0.78rem;
    margin: 8px 0 12px;
    text-align: center;
    position: relative;
}

.download-divider::before,
.download-divider::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 35%;
    height: 1px;
    background: var(--border);
}

.download-divider::before { left: 0; }
.download-divider::after { right: 0; }

.nav-download {
    background: var(--accent);
    color: white !important;
    padding: 6px 16px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    transition: opacity 0.2s;
}

.nav-download:hover {
    opacity: 0.85;
}

.terminal-note {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 16px;
}

/* ── Feature Cards ───────────────────────────────────────────── */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px 24px;
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: #2a2a3e;
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 1.8rem;
    margin-bottom: 16px;
    display: block;
    color: var(--accent);
}

.feature-card h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
    font-weight: 700;
}

.feature-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ── Integrations ────────────────────────────────────────────── */
.integrations-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.integration-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 18px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.integration-badge:hover {
    border-color: #2a2a3e;
    color: var(--text-primary);
}

.integrations-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 12px;
}

.integrations-links {
    text-align: center;
    margin-top: 24px;
    font-size: 0.88rem;
}

.integrations-links a {
    color: var(--accent);
    text-decoration: none;
    margin: 0 12px;
}

.integrations-links a:hover {
    text-decoration: underline;
}

/* ── Testimonials ────────────────────────────────────────────── */
.testimonials-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 40px;
}

.testimonials-header a {
    color: var(--accent);
    text-decoration: none;
    font-size: 0.9rem;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    transition: all 0.2s;
}

.testimonial-card:hover {
    border-color: #2a2a3e;
}

.testimonial-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
}

.testimonial-author {
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
}

/* ── Community Links ─────────────────────────────────────────── */
.community-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.community-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px 20px;
    text-align: center;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s;
}

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

.community-card .icon {
    font-size: 2rem;
    margin-bottom: 12px;
    display: block;
}

.community-card h3 {
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.community-card p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ── Newsletter ──────────────────────────────────────────────── */
.newsletter {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 48px;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.newsletter h2 {
    font-size: 1.4rem;
    margin-bottom: 8px;
}

.newsletter p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 24px;
}

.newsletter-form {
    display: flex;
    gap: 12px;
    justify-content: center;
    max-width: 450px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 16px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: var(--font-sans);
    outline: none;
    transition: border-color 0.2s;
}

.newsletter-form input::placeholder {
    color: var(--text-muted);
}

.newsletter-form input:focus {
    border-color: var(--accent);
}

.newsletter-form button {
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 12px 24px;
    font-size: 0.9rem;
    font-weight: 600;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.newsletter-form button:hover {
    background: #d03030;
    transform: translateY(-1px);
}

/* ── Footer ──────────────────────────────────────────────────── */
footer {
    padding: 48px 0;
    text-align: center;
    border-top: 1px solid var(--border);
    position: relative;
    z-index: 1;
}

.footer-links {
    display: flex;
    gap: 24px;
    justify-content: center;
    margin-bottom: 16px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s;
}

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

.footer-star-cta {
    display: inline-block;
    color: #f0c040;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    margin-bottom: 1.2rem;
    padding: 8px 20px;
    border: 1px solid #f0c04030;
    border-radius: 8px;
    transition: all 0.2s;
}

.footer-star-cta:hover {
    border-color: #f0c040;
    background: #f0c04010;
}

.footer-tagline {
    color: var(--text-muted);
    font-size: 0.82rem;
}

.footer-tagline a {
    color: var(--accent);
    text-decoration: none;
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .hero-crab { font-size: 3.5rem; }
    .features-grid { grid-template-columns: 1fr; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .community-grid { grid-template-columns: repeat(2, 1fr); }
    .nav-links { gap: 16px; }
    section { padding: 48px 0; }
    .newsletter { padding: 32px 20px; }
    .newsletter-form { flex-direction: column; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 2rem; }
    .nav-links a:not(.btn-github) { display: none; }
}