@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

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

:root {
    --bg: #0a0a0a;
    --bg-card: #111111;
    --bg-elevated: #1a1a1a;
    --border: #2a2a2a;
    --text: #e5e5e5;
    --text-muted: #9ca3af;
    --accent: #ff6b35;
    --accent-glow: rgba(255, 107, 53, 0.3);
    --blue: #3b82f6;
    --green: #10b981;
    --red: #dc2626;
    --yellow: #fbbf24;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.text-center { text-align: center; }

h1, h2, h3, h4 {
    font-weight: 600;
    letter-spacing: -0.3px;
    line-height: 1.2;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: background 0.3s;
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo img { display: block; }

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

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

.nav-cta {
    padding: 8px 20px;
    background: var(--accent);
    color: #fff !important;
    border-radius: 6px;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--accent-glow);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: 0.3s;
}


/* Hero */
.hero {
    position: relative;
    padding: 160px 0 100px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 50% 0%, rgba(255, 107, 53, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 80% 20%, rgba(59, 130, 246, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(255, 107, 53, 0.1);
    border: 1px solid rgba(255, 107, 53, 0.2);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(36px, 5vw, 64px);
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff 0%, #d1d5db 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    font-size: 18px;
    color: var(--text-muted);
    max-width: 640px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 64px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, #ff8c42 100%);
    color: #fff;
    box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-ghost {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.stat { text-align: center; }

.stat-num {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

/* Sections */
.section {
    padding: 100px 0;
}

.section-dark {
    background: var(--bg-card);
}

.section h2 {
    font-size: clamp(28px, 3vw, 40px);
    margin-bottom: 12px;
}

.section-sub {
    font-size: 16px;
    color: var(--text-muted);
    max-width: 560px;
    margin: 0 auto 48px;
}

/* Problem Section */
.problem-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.problem-text h2 { margin-bottom: 20px; }

.problem-text p {
    color: var(--text-muted);
    margin-bottom: 16px;
    font-size: 15px;
    line-height: 1.7;
}

.threat-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.threat-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    transition: border-color 0.3s;
}

.threat-card:hover { border-color: var(--accent); }

.threat-icon { font-size: 28px; margin-bottom: 12px; }

.threat-card h4 {
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--accent);
}

.threat-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Approaches */
.approach-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    max-width: 800px;
    margin: 0 auto;
}

.approach-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 36px;
    text-align: center;
    transition: all 0.3s;
}

.approach-card:hover {
    border-color: var(--accent);
    box-shadow: 0 8px 24px rgba(255, 107, 53, 0.1);
}

.approach-icon { font-size: 40px; margin-bottom: 16px; }

.approach-card h3 { font-size: 22px; margin-bottom: 4px; }

.approach-role {
    font-size: 13px;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 12px;
}

.approach-card p:last-child {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}
.approach-card:hover { border-color: var(--accent); box-shadow: 0 8px 24px rgba(255,107,53,0.1); }
.approach-icon { font-size: 40px; margin-bottom: 16px; }
.approach-card h3 { font-size: 22px; margin-bottom: 4px; }
.approach-role { font-size: 13px; color: var(--accent); font-weight: 600; margin-bottom: 12px; }
.approach-card p:last-child { font-size: 14px; color: var(--text-muted); line-height: 1.6; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.feature-card { background: var(--bg); border: 1px solid var(--border); border-radius: 16px; padding: 32px 28px; transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1); position: relative; overflow: hidden; }
.feature-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--icon-color, var(--accent)), transparent); opacity: 0; transition: opacity 0.35s; }
.feature-card:hover { border-color: var(--icon-color, var(--accent)); box-shadow: 0 8px 32px var(--icon-glow, rgba(255,107,53,0.1)); transform: translateY(-4px); }
.feature-card:hover::before { opacity: 1; }
.feature-icon-wrap { width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; background: var(--icon-glow, rgba(255,107,53,0.1)); color: var(--icon-color, var(--accent)); transition: all 0.35s; }
.feature-card:hover .feature-icon-wrap { box-shadow: 0 0 20px var(--icon-glow, rgba(255,107,53,0.2)); transform: scale(1.05); }
.feature-card h3 { font-size: 17px; margin-bottom: 10px; }
.feature-card > p { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; }
.feature-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.feature-tags span { padding: 3px 10px; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: 20px; font-size: 11px; font-weight: 500; color: var(--text-muted); letter-spacing: 0.3px; }
.pipeline { display: flex; align-items: flex-start; gap: 0; justify-content: center; }
.pipeline-step { flex: 1; max-width: 240px; text-align: center; padding: 0 16px; }
.step-num { width: 48px; height: 48px; background: linear-gradient(135deg, var(--accent) 0%, #ff8c42 100%); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 700; margin: 0 auto 16px; }
.pipeline-step h3 { font-size: 18px; margin-bottom: 8px; }
.pipeline-step p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }
.pipeline-arrow { color: var(--accent); font-size: 24px; font-weight: 700; padding-top: 12px; flex-shrink: 0; }
.screenshots-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.screenshot-card { background: var(--bg); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; transition: all 0.3s; }
.screenshot-card:hover { border-color: var(--accent); box-shadow: 0 8px 24px rgba(255,107,53,0.15); transform: translateY(-4px); }
.screenshot-card img { width: 100%; height: auto; display: block; border-bottom: 1px solid var(--border); }
.screenshot-card h4 { font-size: 16px; padding: 16px 20px 4px; }
.screenshot-card p { font-size: 13px; color: var(--text-muted); padding: 0 20px 16px; line-height: 1.5; }
.sources-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.source-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 28px; text-align: center; transition: all 0.3s; }
.source-card:hover { border-color: var(--accent); box-shadow: 0 4px 16px rgba(255,107,53,0.1); }
.source-icon { font-size: 40px; margin-bottom: 16px; }
.source-card h3 { font-size: 17px; margin-bottom: 8px; }
.source-card p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }
.stack-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; max-width: 900px; margin: 0 auto; }
.stack-item { display: flex; align-items: center; gap: 16px; padding: 16px 20px; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; }
.stack-label { font-size: 12px; font-weight: 600; color: var(--accent); text-transform: uppercase; letter-spacing: 0.5px; min-width: 90px; }
.stack-value { font-size: 14px; color: var(--text-muted); }
.code-block { max-width: 640px; margin: 36px auto 0; background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; text-align: left; }
.code-header { display: flex; align-items: center; gap: 8px; padding: 12px 16px; background: var(--bg-elevated); border-bottom: 1px solid var(--border); }
.code-dot { width: 12px; height: 12px; border-radius: 50%; }
.code-dot.red { background: #dc2626; }
.code-dot.yellow { background: #fbbf24; }
.code-dot.green { background: #10b981; }
.code-title { font-size: 12px; color: var(--text-muted); margin-left: 8px; }
.code-block pre { padding: 24px; overflow-x: auto; }
.code-block code { font-family: 'SF Mono', 'Fira Code', 'Courier New', monospace; font-size: 14px; line-height: 1.8; color: var(--text); }
.code-comment { color: #6b7280; }
.footer { background: #000; border-top: 1px solid var(--border); padding: 64px 0 32px; }
.footer-inner { display: flex; justify-content: space-between; gap: 48px; margin-bottom: 48px; }
.footer-brand img { margin-bottom: 12px; }
.footer-brand p { font-size: 14px; color: var(--text-muted); max-width: 280px; }
.footer-links { display: flex; gap: 64px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h4 { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.footer-col a { font-size: 14px; color: var(--text-muted); text-decoration: none; transition: color 0.2s; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 24px; }
.footer-bottom p { font-size: 13px; color: #6b7280; }
@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-links.open { display: flex; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: rgba(10,10,10,0.95); backdrop-filter: blur(12px); padding: 24px; gap: 16px; border-bottom: 1px solid var(--border); }
    .nav-toggle { display: flex; }
    .hero { padding: 120px 0 60px; }
    .hero-stats { gap: 24px; }
    .hero-actions { flex-direction: column; align-items: center; }
    .problem-grid, .approach-grid, .screenshots-grid { grid-template-columns: 1fr; }
    .pipeline { flex-direction: column; align-items: center; }
    .pipeline-arrow { transform: rotate(90deg); padding: 8px 0; }
    .pipeline-step { max-width: 100%; }
    .footer-inner { flex-direction: column; }
    .footer-links { gap: 32px; }
}
@media (max-width: 480px) {
    .hero h1 { font-size: 28px; }
    .features-grid, .sources-grid, .stack-grid { grid-template-columns: 1fr; }
}
::selection { background: var(--accent); color: #fff; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.contact-info h2 { margin-bottom: 16px; }
.contact-info > p { font-size: 15px; color: var(--text-muted); line-height: 1.7; margin-bottom: 32px; }
.contact-details { display: flex; flex-direction: column; gap: 16px; }
.contact-detail { display: flex; align-items: center; gap: 12px; color: var(--text-muted); }
.contact-detail svg { color: var(--accent); flex-shrink: 0; }
.contact-detail a { color: var(--text); text-decoration: none; font-size: 15px; font-weight: 500; transition: color 0.2s; }
.contact-detail a:hover { color: var(--accent); }
.contact-form-wrap { background: var(--bg); border: 1px solid var(--border); border-radius: 16px; padding: 36px; }
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--text); }
.form-group input, .form-group select, .form-group textarea { padding: 12px 16px; background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 8px; font-size: 14px; color: var(--text); font-family: 'Poppins', sans-serif; transition: border-color 0.2s, box-shadow 0.2s; resize: vertical; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(255,107,53,0.1); }
.form-group input::placeholder, .form-group textarea::placeholder { color: #6b7280; }
.form-group select { cursor: pointer; -webkit-appearance: none; appearance: none; background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%239ca3af' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; padding-right: 40px; }
@media (max-width: 768px) { .contact-grid { grid-template-columns: 1fr; gap: 40px; } }