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

:root {
    --bg: #09090b;
    --bg-subtle: #0f0f12;
    --bg-card: #141418;
    --bg-card-hover: #1a1a1f;
    --border: #1e1e23;
    --border-light: #2a2a30;
    --text: #ececee;
    --text-secondary: #a0a0a8;
    --text-tertiary: #636370;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --accent-subtle: rgba(99,102,241,0.07);
    --accent-border: rgba(99,102,241,0.15);
    --radius: 10px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --transition: 0.2s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6,
.logo,
.stat-value,
.big-num,
.price-card .price,
.metric-value,
.featured-badge,
.section-tag,
.timeline-date,
.step-card::before {
    font-family: 'Space Grotesk', sans-serif;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.container-sm { max-width: 760px; margin: 0 auto; padding: 0 24px; }
.container-lg { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* ===== TYPOGRAPHY ===== */
.gradient-text { color: var(--accent); }
.gradient-text-warm { color: var(--accent); }
.gradient-text-cool { color: var(--accent); }

.section-header { text-align: center; margin-bottom: 56px; }
.section-header.left { text-align: left; }
.section-tag {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--text-tertiary);
    margin-bottom: 16px;
}
.section-header h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 600;
    line-height: 1.15;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}
.section-header p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 580px;
    margin: 0 auto;
    line-height: 1.7;
}
.section-header.left p { margin: 0; }

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: inherit;
    white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: var(--bg-card); color: var(--text); border: 1px solid var(--border-light); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-outline { border: 1px solid var(--border-light); color: var(--text-secondary); background: transparent; }
.btn-outline:hover { border-color: var(--accent-border); color: var(--text); }
.btn-ghost { background: transparent; color: var(--text-tertiary); padding: 8px 12px; }
.btn-ghost:hover { color: var(--text-secondary); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-hover); }
.btn-green { background: var(--accent); color: #fff; }
.btn-green:hover { background: var(--accent-hover); }
.btn-orange { background: var(--accent); color: #fff; }
.btn-orange:hover { background: var(--accent-hover); }
.btn-lg { padding: 12px 28px; font-size: 0.9rem; border-radius: 9999px; }
.btn-sm { padding: 7px 16px; font-size: 0.78rem; }
.btn-full { width: 100%; }
.btn-icon { width: 40px; height: 40px; padding: 0; border-radius: 50%; }

/* ===== NAVBAR ===== */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    padding: 14px 0;
    transition: var(--transition);
    background: transparent;
}
.navbar.scrolled {
    background: rgba(9,9,11,0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 10px 0;
}
.nav-container { display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 1.1rem; letter-spacing: -0.02em; }
.logo-icon {
    width: 32px; height: 32px;
    background: var(--accent);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 0.9rem; color: #fff;
}

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-signin { font-size: 0.84rem; font-weight: 500; }
.nav-link { font-size: 0.84rem; font-weight: 400; color: var(--text-tertiary); transition: var(--transition); padding: 7px 12px; border-radius: 6px; position: relative; }
.nav-link:hover { color: var(--text-secondary); }
.nav-link.active { color: var(--text); }

/* Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown-trigger { cursor: pointer; display: flex; align-items: center; gap: 4px; }
.nav-dropdown-trigger::after { content: ''; width: 0; height: 0; border-left: 3.5px solid transparent; border-right: 3.5px solid transparent; border-top: 3.5px solid currentColor; transition: var(--transition); }
.nav-dropdown:hover .nav-dropdown-trigger::after { transform: rotate(180deg); }
.nav-dropdown-menu {
    position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
    min-width: 240px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 6px;
    opacity: 0; visibility: hidden;
    transition: var(--transition);
    margin-top: 8px;
}
.nav-dropdown:hover .nav-dropdown-menu { opacity: 1; visibility: visible; margin-top: 4px; }
.nav-dropdown-item {
    display: flex; align-items: center; gap: 12px;
    padding: 9px 12px;
    border-radius: 7px;
    transition: var(--transition);
    font-size: 0.84rem;
    color: var(--text-tertiary);
}
.nav-dropdown-item:hover { background: rgba(255,255,255,0.03); color: var(--text); }
.nav-dropdown-icon {
    width: 30px; height: 30px;
    border-radius: 7px;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.65rem; font-weight: 600;
    flex-shrink: 0;
    background: var(--accent-subtle);
    color: var(--text-secondary);
}
.nav-dropdown-icon svg {
    flex-shrink: 0;
}
.nav-dropdown-icon.discover-c,
.nav-dropdown-icon.materials-c,
.nav-dropdown-icon.protein-c,
.nav-dropdown-icon.genomics-c { background: var(--accent-subtle); color: var(--text-secondary); }
.nav-dropdown-logo {
    width: 30px; height: 30px;
    border-radius: 7px;
    flex-shrink: 0;
}
.nav-dropdown-text strong { display: block; color: var(--text); font-size: 0.84rem; font-weight: 500; }
.nav-dropdown-text span { font-size: 0.72rem; color: var(--text-tertiary); }

.logo-img { height: 24px; width: auto; display: block; }

.nav-cta { margin-left: 8px; }

/* Mobile */
.mobile-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; padding: 4px; }
.mobile-toggle span { width: 20px; height: 1.5px; background: var(--text-secondary); transition: var(--transition); display: block; }

/* ===== HOMEPAGE HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}
.hero h1 {
    font-size: clamp(2.8rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.08;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}
.hero p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 40px;
    line-height: 1.7;
}
.hero .section-tag { margin-bottom: 24px; }

/* ===== PAGE HERO ===== */
.page-hero {
    padding: 160px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
    max-width: 1120px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}
.page-hero .container {
    max-width: 100%;
    padding: 0;
}
.page-hero .section-tag,
.page-hero .tag { margin-bottom: 20px; }
.page-hero h1 {
    font-size: clamp(2.2rem, 4.5vw, 3.4rem);
    font-weight: 600;
    line-height: 1.12;
    margin-bottom: 20px;
    letter-spacing: -0.03em;
}
.page-hero > p,
.page-hero .container > p:not(.hero-subtitle):not(.hero-description) {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 32px;
    line-height: 1.7;
}
.page-hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ===== CARDS ===== */
.card {
    padding: 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}
.card:hover { border-color: var(--border-light); }
.card-sm { padding: 22px; border-radius: var(--radius); }
.card-icon {
    width: 44px; height: 44px;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
    background: var(--accent-subtle);
    color: var(--text-secondary);
}
.card-icon svg {
    width: 22px; height: 22px;
    stroke: var(--accent);
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.card-icon.primary,
.card-icon.accent,
.card-icon.green,
.card-icon.orange,
.card-icon.pink { background: var(--accent-subtle); color: var(--text-secondary); }
.card h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 8px; letter-spacing: -0.01em; }
.card h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 6px; }
.card p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.65; }

/* ===== GRID LAYOUTS ===== */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid-2-1 { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; }
.grid-1-2 { display: grid; grid-template-columns: 1fr 2fr; gap: 40px; }
.grid-split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }

/* ===== STATS ===== */
.stats-bar {
    display: flex;
    justify-content: center;
    gap: 56px;
    padding: 40px 0;
    flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-value {
    font-size: 2.2rem;
    font-weight: 600;
    line-height: 1;
    margin-bottom: 4px;
    color: var(--text);
    letter-spacing: -0.02em;
}
.stat-label { font-size: 0.78rem; color: var(--text-tertiary); letter-spacing: 0.02em; }

/* ===== ARCHITECTURE DIAGRAM ===== */
.arch-layer-label { font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; color: var(--text-tertiary); margin-bottom: 4px; }
.arch-layer-title { font-weight: 700; font-size: 1.1rem; color: var(--text); }
.arch-layer-desc { font-size: 0.85rem; color: var(--text-secondary); margin-top: 4px; }

/* ===== FEATURE ROW (alternating) ===== */
.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    padding: 64px 0;
}
.feature-row + .feature-row {
    border-top: 1px solid var(--border);
}

.feature-row.reverse .feature-content { order: 2; }
.feature-row.reverse .feature-visual { order: 1; }
.feature-content .section-tag { margin-bottom: 10px; }
.feature-content h3 { font-size: 1.5rem; font-weight: 600; margin-bottom: 14px; line-height: 1.2; letter-spacing: -0.02em; }
.feature-content p { color: var(--text-secondary); margin-bottom: 20px; line-height: 1.7; font-size: 0.92rem; }
.feature-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.feature-list-item {
    display: flex; align-items: flex-start; gap: 10px;
    font-size: 0.85rem; color: var(--text-secondary);
}
.feature-list-icon {
    width: 20px; height: 20px; flex-shrink: 0;
    border-radius: 5px;
    background: var(--accent-subtle);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.6rem; color: var(--accent); font-weight: 600;
    margin-top: 2px;
}
.feature-list-icon svg {
    width: 12px; height: 12px;
    stroke: var(--accent);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.feature-visual {
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 0;
    display: flex; align-items: center; justify-content: center;
    min-height: 300px;
    position: relative;
    overflow: hidden;
}
.feature-visual img {
    width: 100%; height: 100%; object-fit: cover;
    position: absolute; inset: 0;
}
.feature-visual--padded {
    padding: 40px;
}
.feature-visual-icon {
    font-size: 5rem;
    opacity: 0.06;
    position: absolute;
}
.feature-visual-content {
    position: relative; z-index: 1;
    text-align: center;
}
.feature-visual-content .big-num {
    font-size: 3.2rem;
    font-weight: 600;
    line-height: 1;
    color: var(--text);
    letter-spacing: -0.03em;
}
.feature-visual-content p {
    color: var(--text-tertiary);
    font-size: 0.85rem;
    line-height: 1.5;
    margin-top: 8px;
}
.feature-visual-content p + p {
    margin-top: 16px;
    font-size: 0.82rem;
}

/* ===== SECTION DIVIDER ===== */
.section-divider {
    height: 1px;
    background: var(--border);
    margin: 0;
    border: none;
}

/* ===== CTA BANNER ===== */
.cta-banner {
    padding: 96px 0;
    text-align: center;
    background: var(--bg);
}
.cta-banner h2 {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 600;
    margin-bottom: 14px;
    letter-spacing: -0.02em;
}
.cta-banner p { color: var(--text-secondary); margin-bottom: 28px; font-size: 1rem; }
.cta-banner-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ===== PRICING ===== */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.price-card {
    padding: 36px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    position: relative;
    transition: var(--transition);
}
.price-card:hover { border-color: var(--border-light); }
.price-card.featured { border-color: var(--accent-border); background: rgba(99,102,241,0.03); }
.price-card.featured:hover { border-color: var(--accent); }
.featured-badge {
    position: absolute;
    top: -11px; left: 50%; transform: translateX(-50%);
    padding: 4px 16px;
    background: var(--accent);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 999px;
}
.price-card h4 { font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; }
.price-card .price {
    font-size: 2.4rem;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: -0.03em;
}
.price-card .price span { font-size: 0.9rem; font-weight: 400; color: var(--text-tertiary); }
.price-card .price-desc { font-size: 0.8rem; color: var(--text-tertiary); margin-bottom: 24px; }
.price-card ul { margin-bottom: 28px; }
.price-card li {
    padding: 9px 0;
    font-size: 0.84rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; gap: 10px;
}
.price-card li:last-child { border-bottom: none; }
.price-card li::before { content: '\2713'; color: var(--accent); font-weight: 600; font-size: 0.75rem; }

/* ===== FORM STYLES ===== */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.82rem; font-weight: 500; margin-bottom: 6px; color: var(--text-secondary); }
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 0.88rem;
    font-family: inherit;
    transition: var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { outline: none; border-color: var(--accent-border); }
.form-group select { cursor: pointer; }
.form-group select option { background: var(--bg-card); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ===== FOOTER ===== */
.footer {
    padding: 72px 0 28px;
    background: var(--bg);
}
.footer-grid { display: grid; grid-template-columns: 2.5fr 1fr 1fr 1fr 1fr; gap: 36px; margin-bottom: 48px; }
.footer-brand p { color: var(--text-tertiary); font-size: 0.82rem; margin-top: 12px; max-width: 280px; line-height: 1.6; }
.footer-col h5 {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 16px;
    color: var(--text-tertiary);
}
.footer-col li { margin-bottom: 8px; }
.footer-col a { font-size: 0.82rem; color: var(--text-tertiary); transition: var(--transition); }
.footer-col a:hover { color: var(--text-secondary); }
.footer-bottom {
    display: flex; justify-content: space-between; align-items: center;
    padding-top: 24px; border-top: 1px solid var(--border);
    font-size: 0.75rem; color: var(--text-tertiary);
}
.footer-links { display: flex; gap: 20px; }
.footer-links a { color: var(--text-tertiary); transition: var(--transition); }
.footer-links a:hover { color: var(--text-secondary); }

/* ===== TESTIMONIAL ===== */
.testimonial {
    padding: 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    position: relative;
}
.testimonial p,
.testimonial-quote {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 18px;
    font-style: normal;
}
.testimonial-author { display: flex; align-items: center; gap: 10px; }
.testimonial-avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--accent-subtle);
    display: flex; align-items: center; justify-content: center;
    font-weight: 600; font-size: 0.75rem; color: var(--text-secondary);
    overflow: hidden;
}
.testimonial-avatar img {
    width: 100%; height: 100%; object-fit: cover;
}
.team-avatar {
    width: 80px; height: 80px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 16px;
}
.team-avatar img {
    width: 100%; height: 100%; object-fit: cover;
}
.testimonial-name { font-size: 0.84rem; font-weight: 500; }
.testimonial-role { font-size: 0.75rem; color: var(--text-tertiary); }

/* ===== TIMELINE ===== */
.timeline { position: relative; padding-left: 36px; }
.timeline::before {
    content: '';
    position: absolute;
    left: 14px; top: 0; bottom: 0;
    width: 1px;
    background: var(--border);
}
.timeline-item { position: relative; padding-bottom: 36px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
    position: absolute;
    left: -30px; top: 4px;
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--accent);
    border: 2px solid var(--bg);
}
.timeline-item h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 4px; }
.timeline-item p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; }
.timeline-date { font-size: 0.72rem; color: var(--text-tertiary); font-weight: 600; margin-bottom: 4px; text-transform: uppercase; letter-spacing: 1px; }

/* ===== TAGS ===== */
.tag {
    display: inline-flex;
    padding: 3px 10px;
    font-size: 0.68rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 5px;
    border: 1px solid var(--border-light);
    background: var(--bg-subtle);
    color: var(--text-tertiary);
}
.tag-discover,
.tag-materials,
.tag-protein,
.tag-genomics {
    background: var(--accent-subtle);
    color: var(--text-secondary);
    border-color: var(--accent-border);
}

/* ===== JOB CARD ===== */
.job-card {
    padding: 24px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
    margin-bottom: 10px;
}
.job-card:hover { border-color: var(--border-light); }
.job-info h4 { font-size: 0.98rem; font-weight: 600; margin-bottom: 4px; }
.job-meta { display: flex; gap: 14px; font-size: 0.78rem; color: var(--text-tertiary); }
.job-meta span { display: flex; align-items: center; gap: 4px; }

/* ===== BLOG CARD ===== */
.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}
.blog-card:hover { border-color: var(--border-light); }
.blog-card-img {
    height: 200px;
    background: var(--bg-subtle);
    display: flex; align-items: center; justify-content: center;
    font-size: 2.5rem;
    border-bottom: 1px solid var(--border);
    overflow: hidden;
}
.blog-card-img img {
    width: 100%; height: 100%; object-fit: cover;
}
.blog-card-body { padding: 24px; }
.blog-card-body .tag { margin-bottom: 10px; }
.blog-card-body h3 { font-size: 1rem; font-weight: 600; margin-bottom: 6px; line-height: 1.4; }
.blog-card-body p { font-size: 0.82rem; color: var(--text-secondary); margin-bottom: 14px; line-height: 1.6; }
.blog-card-footer { display: flex; justify-content: space-between; align-items: center; font-size: 0.75rem; color: var(--text-tertiary); }

/* ===== PROCESS / STEPS ===== */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step-card { counter-increment: step; position: relative; padding-top: 44px; }
.step-card::before {
    content: counter(step, decimal-leading-zero);
    position: absolute; top: 0; left: 0;
    font-size: 1.6rem; font-weight: 600;
    color: rgba(255,255,255,0.04);
}
.step-card h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 6px; }
.step-card p { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.6; }
.step-line {
    position: absolute; top: 60px; right: -10px;
    width: 20px; height: 1px;
    background: var(--border);
}

/* ===== ACCORDION / FAQ ===== */
.accordion { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.accordion-item { border-bottom: 1px solid var(--border); }
.accordion-item:last-child { border-bottom: none; }
.accordion-trigger {
    width: 100%;
    padding: 18px 22px;
    background: transparent;
    border: none;
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 500;
    font-family: inherit;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}
.accordion-trigger:hover { background: rgba(255,255,255,0.015); }
.accordion-trigger::after {
    content: '+';
    font-size: 1.1rem;
    color: var(--text-tertiary);
    transition: var(--transition);
}
.accordion-item.active .accordion-trigger::after { content: '-'; }
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}
.accordion-content-inner {
    padding: 0 22px 18px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== USE CASE CARD ===== */
.usecase-card {
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}
.usecase-card:hover { border-color: var(--border-light); }
.usecase-card .usecase-icon {
    width: 48px; height: 48px;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 16px;
    background: var(--accent-subtle);
}
.usecase-card h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 8px; }
.usecase-card p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.65; margin-bottom: 16px; }
.usecase-metrics { display: flex; gap: 20px; }
.usecase-metric .metric-val { font-size: 1.2rem; font-weight: 600; display: block; }
.usecase-metric .metric-lbl { font-size: 0.7rem; color: var(--text-tertiary); }

/* ===== FAQ (use-case pages) ===== */
.faq-accordion { max-width: 760px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 10px; overflow: hidden; }
.faq-item.active .faq-answer { max-height: 300px; }
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-question {
    width: 100%; padding: 18px 22px; background: var(--bg-card); border: none;
    color: var(--text); font-size: 0.9rem; font-weight: 500; font-family: inherit;
    text-align: left; cursor: pointer; display: flex; justify-content: space-between; align-items: center;
    transition: var(--transition);
}
.faq-question:hover { background: var(--bg-card-hover); }
.faq-icon { color: var(--text-tertiary); font-size: 1.1rem; transition: var(--transition); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; background: var(--bg-card); }
.faq-answer p { padding: 0 22px 18px; font-size: 0.85rem; color: var(--text-secondary); line-height: 1.7; }

/* ===== PRICING TABS ===== */
.pricing-tab {
    padding: 9px 20px; background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 9999px; color: var(--text-tertiary); font-size: 0.84rem; font-weight: 500;
    font-family: inherit; cursor: pointer; transition: var(--transition);
}
.pricing-tab:hover { border-color: var(--border-light); color: var(--text-secondary); }
.pricing-tab.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.pricing-set { display: none; }
.pricing-set.active { display: block; }

/* ===== USE CASE METRICS ===== */
.metric-item { text-align: center; }
.metric-value { display: block; font-size: 1.15rem; font-weight: 600; color: var(--text); }
.metric-label { font-size: 0.7rem; color: var(--text-tertiary); }
.usecase-metrics, .usecase-card .usecase-metrics { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 14px; }

/* ===== HERO SUBTITLE ===== */
.hero-subtitle { font-size: 0.78rem; font-weight: 500; text-transform: uppercase; letter-spacing: 2.5px; color: var(--text-tertiary); margin-bottom: 10px; }
.hero-description { font-size: 1.05rem; color: var(--text-secondary); max-width: 640px; margin: 0 auto 32px; line-height: 1.7; }

/* ===== SECTION SPACING ===== */
.section { padding: 96px 0; }
.section-alt { padding: 96px 0; }

/* ===== PARTNER LOGOS ===== */
.partners-label {
    text-align: center;
    font-size: 0.78rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    color: var(--text-tertiary);
    margin-bottom: 32px;
}
.partners-logo-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}
.partner-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.5;
    transition: opacity 0.3s ease;
    filter: grayscale(100%) brightness(2);
}
.partner-logo:hover {
    opacity: 0.9;
    filter: grayscale(0%) brightness(1);
}
.partner-logo img {
    height: 32px;
    width: auto;
    max-width: 120px;
    object-fit: contain;
}
@media (max-width: 768px) {
    .partners-logo-bar {
        gap: 28px;
    }
    .partner-logo img {
        height: 24px;
        max-width: 90px;
    }
}

/* ===== ANIMATIONS ===== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .grid-split, .feature-row { grid-template-columns: 1fr; gap: 32px; }
    .feature-row.reverse .feature-content,
    .feature-row.reverse .feature-visual { order: unset; }
    .footer-grid { grid-template-columns: repeat(3, 1fr); }
    .pricing-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 0; left: 0; right: 0; bottom: 0;
        background: rgba(9,9,11,0.97);
        flex-direction: column;
        padding: 100px 32px 32px;
        gap: 6px;
        z-index: 999;
    }
    .nav-links.open { display: flex; }
    .mobile-toggle { display: flex; z-index: 1001; }
    .nav-dropdown-menu {
        position: static; transform: none;
        opacity: 1; visibility: visible;
        margin-top: 0;
        background: transparent;
        border: none;
        padding-left: 16px;
    }
    .nav-cta { margin-left: 0; margin-top: 12px; }
    .nav-actions { display: none; }

    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
    .stats-bar { gap: 28px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
    .form-row { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr; }
    .step-line { display: none; }
    .page-hero { padding: 130px 0 60px; }
    .section { padding: 64px 0; }
    .hero-actions { flex-direction: column; align-items: center; }
    .job-card { flex-direction: column; align-items: flex-start; gap: 14px; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .footer-grid { grid-template-columns: 1fr; }
    .section, .section-alt { padding: 56px 0; }
    .page-hero { padding: 110px 0 48px; }
}

/* ===== CAREERS PAGE ===== */
.careers-filter {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
}
.careers-filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 9999px;
    color: var(--text-tertiary);
    font-size: 0.84rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
}
.careers-filter-btn:hover {
    border-color: var(--border-light);
    color: var(--text-secondary);
}
.careers-filter-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}
.careers-filter-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    border-radius: 9999px;
    font-size: 0.72rem;
    font-weight: 600;
    background: rgba(255,255,255,0.1);
}
.careers-filter-btn.active .careers-filter-count {
    background: rgba(255,255,255,0.2);
}

.careers-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.careers-job {
    display: grid;
    grid-template-columns: 1fr auto auto;
    align-items: center;
    gap: 24px;
    padding: 24px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all 0.25s ease;
    text-decoration: none;
    color: inherit;
}
.careers-job:hover {
    border-color: var(--accent-border);
    background: var(--bg-card-hover);
    transform: translateY(-1px);
}
.careers-job:hover .careers-job-arrow {
    color: var(--accent);
    transform: translateX(3px);
}
.careers-job-main h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}
.careers-job-main p {
    font-size: 0.84rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 560px;
}
.careers-job-meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}
.careers-tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: 6px;
    white-space: nowrap;
}
.careers-tag svg {
    stroke: currentColor;
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
}
.careers-tag.tag-dept {
    background: var(--accent-subtle);
    border-color: var(--accent-border);
    color: var(--accent-hover);
    font-weight: 500;
}
.careers-job-arrow {
    color: var(--text-tertiary);
    transition: all 0.25s ease;
    flex-shrink: 0;
}
.careers-job-arrow svg {
    stroke: currentColor;
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

@media (max-width: 1024px) {
    .careers-job {
        grid-template-columns: 1fr auto;
    }
    .careers-job-arrow {
        display: none;
    }
}
@media (max-width: 768px) {
    .careers-job {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .careers-job-meta {
        gap: 6px;
    }
    .careers-filter {
        gap: 6px;
    }
    .careers-filter-btn {
        padding: 7px 14px;
        font-size: 0.78rem;
    }
}