/* Helixx AI — Main stylesheet
 * Combined from main site, subpage shell, and article styles.
 */


:root {
  --ink: #0A0E1A;
  --ink-2: #0E1426;
  --ink-3: #141B30;
  --paper: #FFFFFF;
  --muted: rgba(255,255,255,0.62);
  --muted-2: rgba(255,255,255,0.38);
  --hair: rgba(255,255,255,0.08);
  --hair-2: rgba(255,255,255,0.14);
  --cyan: #00D4FF;
  --cyan-soft: rgba(0,212,255,0.12);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; padding: 0; background: var(--ink); color: var(--paper); font-family: 'Inter Tight', system-ui, sans-serif; -webkit-font-smoothing: antialiased; line-height: 1.5; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* Layout */
.wrap { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
section { padding: 120px 0; position: relative; }
section.tight { padding: 80px 0; }

/* Type */
h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -0.035em; line-height: 1.05; }
h1 { font-size: clamp(40px, 6vw, 84px); font-weight: 700; }
h2 { font-size: clamp(32px, 4.4vw, 56px); }
h3 { font-size: 22px; letter-spacing: -0.02em; }
.kicker { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 11px; letter-spacing: 0.24em; text-transform: uppercase; color: var(--cyan); }
.lead { font-size: 18px; color: var(--muted); line-height: 1.65; max-width: 620px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 22px; border-radius: 6px; font-size: 14px; font-weight: 500; letter-spacing: -0.005em; transition: all 0.18s; cursor: pointer; border: 1px solid transparent; }
.btn-primary { background: var(--cyan); color: var(--ink); }
.btn-primary:hover { background: #FFFFFF; }
.btn-ghost { border-color: var(--hair-2); color: var(--paper); background: transparent; }
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.btn .arr { transition: transform 0.2s; }
.btn:hover .arr { transform: translateX(3px); }

/* Wordmark */
.word { font-family: 'Inter Tight', sans-serif; font-weight: 600; letter-spacing: -0.045em; line-height: 1; display: inline-block; color: var(--paper); }
.word .dot { color: var(--cyan); font-weight: 700; }

/* NAV */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(10,14,26,0.78); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid var(--hair); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 18px 32px; max-width: 1440px; margin: 0 auto; }
.nav-logo { font-size: 26px; }
.nav-menu { display: flex; gap: 36px; font-size: 14px; color: var(--muted); }
.nav-menu a { transition: color 0.15s; }
.nav-menu a:hover { color: var(--paper); }
.nav-mobile { display: none; background: transparent; border: 1px solid var(--hair-2); color: var(--paper); width: 40px; height: 40px; border-radius: 8px; align-items: center; justify-content: center; cursor: pointer; padding: 0; font-size: 16px; }
@media (max-width: 980px) {
  .nav-menu { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; background: rgba(10,14,26,0.96); backdrop-filter: blur(16px); padding: 20px 32px; border-bottom: 1px solid var(--hair); gap: 18px; }
  .nav-menu.open { display: flex; }
  .nav-cta { display: none; }
  .nav-mobile { display: inline-flex; }
}

/* HERO */
.hero { padding: 180px 0 140px; position: relative; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px); background-size: 56px 56px; mask-image: radial-gradient(ellipse at top center, black 20%, transparent 70%); -webkit-mask-image: radial-gradient(ellipse at top center, black 20%, transparent 70%); }
.hero-glow { position: absolute; top: 30%; left: 50%; transform: translateX(-50%); width: 900px; height: 600px; background: radial-gradient(ellipse at center, rgba(0,212,255,0.12), transparent 60%); filter: blur(60px); }
.hero h1 { max-width: 980px; }
.hero h1 .accent { color: var(--cyan); }
.hero-sub { margin-top: 28px; font-size: 19px; color: var(--muted); max-width: 680px; line-height: 1.6; }
.hero-cta { margin-top: 44px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero-trust { margin-top: 80px; display: flex; align-items: center; gap: 24px; padding-top: 40px; border-top: 1px solid var(--hair); flex-wrap: wrap; }
.hero-trust-text { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted-2); }
.hero-trust-flags { display: flex; gap: 28px; font-size: 13px; color: var(--muted); }
.flag { display: inline-flex; align-items: center; gap: 8px; }
.flag::before { content: ""; width: 6px; height: 6px; background: var(--cyan); border-radius: 50%; box-shadow: 0 0 12px var(--cyan); }

/* Section header pattern */
.sec-head { margin-bottom: 64px; max-width: 760px; }
.sec-head .kicker { display: block; margin-bottom: 18px; }
.sec-head h2 { margin-bottom: 18px; }

/* PROBLEM */
.problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pain-card { background: var(--ink-2); border: 1px solid var(--hair); border-radius: 12px; padding: 36px; transition: border-color 0.2s, transform 0.2s; }
.pain-card:hover { border-color: var(--hair-2); transform: translateY(-3px); }
.pain-icon { width: 48px; height: 48px; border-radius: 10px; background: var(--cyan-soft); display: flex; align-items: center; justify-content: center; margin-bottom: 28px; color: var(--cyan); }
.pain-card h3 { margin-bottom: 12px; }
.pain-card p { color: var(--muted); font-size: 15px; margin: 0; line-height: 1.6; }

/* PLATFORM */
.platform-tabs { display: grid; grid-template-columns: 320px 1fr; gap: 32px; }
.tab-list { display: flex; flex-direction: column; gap: 4px; }
.tab { display: flex; align-items: flex-start; gap: 14px; padding: 18px 20px; border-radius: 10px; cursor: pointer; border: 1px solid transparent; transition: all 0.18s; text-align: left; background: transparent; color: inherit; font-family: inherit; }
.tab:hover { background: var(--ink-2); }
.tab.active { background: var(--ink-2); border-color: var(--hair-2); }
.tab-num { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 11px; color: var(--cyan); margin-top: 4px; letter-spacing: 0.1em; }
.tab-body { flex: 1; }
.tab-title { font-size: 16px; font-weight: 600; margin-bottom: 4px; letter-spacing: -0.01em; }
.tab-blurb { font-size: 13px; color: var(--muted); line-height: 1.5; }
.tab.active .tab-title { color: var(--cyan); }
.tab-panel { background: var(--ink-2); border: 1px solid var(--hair); border-radius: 16px; padding: 40px; min-height: 500px; }

/* Mock dashboards */
.mock { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 11px; }
.mock-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 20px; border-bottom: 1px solid var(--hair); margin-bottom: 24px; }
.mock-title { font-family: 'Inter Tight'; font-size: 18px; font-weight: 600; letter-spacing: -0.02em; }
.mock-status { font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--cyan); display: flex; align-items: center; gap: 8px; }
.mock-status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

.mock-row { display: flex; gap: 12px; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--hair); font-size: 13px; }
.mock-row:last-child { border-bottom: none; }
.mock-bar { height: 6px; background: var(--hair); border-radius: 3px; overflow: hidden; flex: 1; }
.mock-bar > span { display: block; height: 100%; background: var(--cyan); border-radius: 3px; }
.mock-pill { padding: 3px 8px; border-radius: 4px; background: var(--cyan-soft); color: var(--cyan); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; font-family: 'JetBrains Mono', monospace; }

.mock-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 24px; }
.mock-stat { background: var(--ink-3); border: 1px solid var(--hair); border-radius: 8px; padding: 18px; }
.mock-stat-lbl { font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--muted-2); letter-spacing: 0.16em; text-transform: uppercase; margin-bottom: 8px; }
.mock-stat-val { font-size: 26px; font-weight: 600; letter-spacing: -0.02em; }
.mock-stat-delta { font-size: 12px; color: var(--cyan); margin-top: 4px; font-family: 'JetBrains Mono', monospace; }

/* SOLUTIONS */
.markets-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.market-card { background: var(--ink-2); border: 1px solid var(--hair); border-radius: 12px; padding: 32px; position: relative; overflow: hidden; transition: all 0.2s; }
.market-card:hover { border-color: var(--cyan); }
.market-flag { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.18em; color: var(--cyan); margin-bottom: 18px; }
.market-card h4 { font-size: 22px; font-weight: 600; letter-spacing: -0.02em; margin-bottom: 14px; }
.market-card p { font-size: 14px; color: var(--muted); line-height: 1.6; margin: 0; }

/* USE CASES */
.use-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.use-card { background: var(--ink-2); border: 1px solid var(--hair); border-radius: 12px; padding: 36px; transition: all 0.2s; }
.use-card:hover { border-color: var(--hair-2); transform: translateY(-3px); }
.use-tag { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--cyan); margin-bottom: 28px; }
.use-card h3 { margin-bottom: 14px; }
.use-card p { color: var(--muted); margin: 0; font-size: 15px; line-height: 1.6; }

/* ROI numbers */
.roi { background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 100%); padding: 120px 0; border-top: 1px solid var(--hair); border-bottom: 1px solid var(--hair); position: relative; overflow: hidden; }
.roi::before { content: ""; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 1000px; height: 600px; background: radial-gradient(ellipse, var(--cyan-soft), transparent 70%); filter: blur(80px); }
.roi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
.roi-stat { padding: 0 24px; border-right: 1px solid var(--hair); text-align: left; }
.roi-stat:last-child { border-right: none; }
.roi-num { font-size: clamp(64px, 8vw, 110px); font-weight: 700; letter-spacing: -0.05em; line-height: 1; background: linear-gradient(180deg, #FFFFFF 0%, var(--cyan) 120%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.roi-lbl { margin-top: 16px; font-size: 14px; color: var(--muted); line-height: 1.5; max-width: 200px; }

/* HOW IT WORKS — 3 steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; counter-reset: step; }
.step { padding: 40px; border-right: 1px solid var(--hair); position: relative; }
.step:last-child { border-right: none; }
.step-num { font-family: 'JetBrains Mono', monospace; font-size: 12px; letter-spacing: 0.2em; color: var(--cyan); margin-bottom: 32px; }
.step-line { position: absolute; top: 60px; left: 100px; right: -8px; height: 1px; background: linear-gradient(90deg, var(--cyan), transparent); opacity: 0.4; }
.step:last-child .step-line { display: none; }
.step h3 { font-size: 32px; letter-spacing: -0.03em; margin-bottom: 14px; }
.step p { color: var(--muted); margin: 0; font-size: 15px; line-height: 1.6; }

/* TESTIMONIALS */
.testimonials { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.quote-card { background: var(--ink-2); border: 1px solid var(--hair); border-radius: 12px; padding: 48px; position: relative; }
.quote-mark { font-family: Georgia, serif; font-size: 64px; line-height: 1; color: var(--cyan); margin-bottom: 16px; }
.quote-text { font-size: 22px; line-height: 1.4; letter-spacing: -0.015em; margin-bottom: 32px; font-weight: 500; }
.quote-attr { font-family: 'JetBrains Mono', monospace; font-size: 12px; letter-spacing: 0.12em; color: var(--muted); }

/* PRICING */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.price-card { background: var(--ink-2); border: 1px solid var(--hair); border-radius: 14px; padding: 40px; display: flex; flex-direction: column; }
.price-card.featured { border-color: var(--cyan); position: relative; background: linear-gradient(180deg, var(--ink-3), var(--ink-2)); }
.price-badge { position: absolute; top: -12px; left: 40px; padding: 6px 12px; background: var(--cyan); color: var(--ink); font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; border-radius: 4px; font-weight: 500; }
.price-name { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--cyan); margin-bottom: 24px; }
.price-amt { display: flex; align-items: baseline; gap: 6px; margin-bottom: 8px; }
.price-num { font-size: 56px; font-weight: 700; letter-spacing: -0.04em; line-height: 1; }
.price-per { color: var(--muted); font-size: 14px; }
.price-tagline { color: var(--muted); font-size: 14px; margin-bottom: 32px; }
.price-features { list-style: none; padding: 0; margin: 0 0 32px; flex: 1; }
.price-features li { padding: 10px 0; font-size: 14px; color: var(--paper); border-bottom: 1px solid var(--hair); display: flex; gap: 10px; align-items: flex-start; }
.price-features li::before { content: "✓"; color: var(--cyan); font-weight: 700; }
.price-features li:last-child { border-bottom: none; }

/* ABOUT */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.about-locs { display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--hair); }
.about-loc { display: grid; grid-template-columns: 80px 1fr auto; gap: 24px; padding: 22px 0; border-bottom: 1px solid var(--hair); align-items: center; }
.about-loc-tag { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.18em; color: var(--cyan); }
.about-loc-name { font-size: 18px; font-weight: 500; letter-spacing: -0.015em; }
.about-loc-meta { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--muted-2); letter-spacing: 0.1em; }

/* BLOG */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.blog-card { display: block; background: var(--ink-2); border: 1px solid var(--hair); border-radius: 12px; overflow: hidden; transition: all 0.2s; cursor: pointer; color: inherit; text-decoration: none; }
.blog-card:hover { border-color: var(--cyan); transform: translateY(-3px); }
.blog-thumb { aspect-ratio: 16/9; background: linear-gradient(135deg, var(--ink-3), var(--cyan-soft)); position: relative; overflow: hidden; }
.blog-thumb::after { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px); background-size: 24px 24px; }
.blog-meta { padding: 24px 24px 8px; font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--cyan); }
.blog-title { padding: 0 24px 24px; font-size: 18px; font-weight: 600; line-height: 1.3; letter-spacing: -0.02em; }

/* CTA */
.cta { padding: 140px 0; background: var(--ink-2); border-top: 1px solid var(--hair); border-bottom: 1px solid var(--hair); position: relative; overflow: hidden; text-align: center; }
.cta::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at center, var(--cyan-soft), transparent 60%); }
.cta > * { position: relative; }
.cta h2 { max-width: 800px; margin: 0 auto 20px; }
.cta-sub { color: var(--muted); font-size: 18px; max-width: 560px; margin: 0 auto 40px; }
.cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* CONTACT FORM */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.form-row { display: flex; flex-direction: column; gap: 18px; }
.form-row label { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
.form-row input, .form-row textarea { background: var(--ink-2); border: 1px solid var(--hair); border-radius: 8px; padding: 14px 16px; color: var(--paper); font-family: inherit; font-size: 15px; transition: border-color 0.15s; }
.form-row input:focus, .form-row textarea:focus { outline: none; border-color: var(--cyan); }
.form-row textarea { min-height: 140px; resize: vertical; }
.form-field { display: flex; flex-direction: column; gap: 8px; }

/* FOOTER */
footer { padding: 80px 0 40px; border-top: 1px solid var(--hair); background: var(--ink); }
.foot-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 64px; }
.foot-about { max-width: 320px; }
.foot-about p { color: var(--muted); font-size: 13px; margin-top: 18px; line-height: 1.6; }
.foot-col h5 { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted-2); margin: 0 0 18px; font-weight: 500; }
.foot-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.foot-col a { color: var(--muted); font-size: 14px; transition: color 0.15s; }
.foot-col a:hover { color: var(--cyan); }
.foot-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 32px; border-top: 1px solid var(--hair); flex-wrap: wrap; gap: 20px; }
.foot-bottom-left { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--muted-2); letter-spacing: 0.1em; }
.foot-social { display: flex; gap: 12px; }
.foot-social a { width: 36px; height: 36px; border-radius: 8px; border: 1px solid var(--hair); display: flex; align-items: center; justify-content: center; color: var(--muted); transition: all 0.15s; }
.foot-social a:hover { color: var(--cyan); border-color: var(--cyan); }

/* Reveal animations */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 980px) {
  section { padding: 80px 0; }
  .hero { padding: 140px 0 80px; }
  .problem-grid, .markets-grid, .use-grid, .pricing-grid, .blog-grid, .testimonials, .platform-tabs, .about-grid, .contact, .roi-grid, .steps, .foot-top { grid-template-columns: 1fr; }
  .roi-stat { border-right: none; border-bottom: 1px solid var(--hair); padding: 24px; }
  .roi-stat:last-child { border-bottom: none; }
  .step { border-right: none; border-bottom: 1px solid var(--hair); }
  .step:last-child { border-bottom: none; }
  .step-line { display: none; }
}


/* ============ SUBPAGE SHELL ============ */
/* Shared subpage styles for Helixx — extends main site tokens */
:root {
  --ink: #0A0E1A;
  --ink-2: #0E1426;
  --ink-3: #141B30;
  --paper: #FFFFFF;
  --muted: rgba(255,255,255,0.62);
  --muted-2: rgba(255,255,255,0.38);
  --hair: rgba(255,255,255,0.08);
  --hair-2: rgba(255,255,255,0.14);
  --cyan: #00D4FF;
  --cyan-soft: rgba(0,212,255,0.12);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; padding: 0; background: var(--ink); color: var(--paper); font-family: 'Inter Tight', system-ui, sans-serif; -webkit-font-smoothing: antialiased; line-height: 1.5; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap { max-width: 980px; margin: 0 auto; padding: 0 32px; }
.wrap-wide { max-width: 1280px; margin: 0 auto; padding: 0 32px; }

h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -0.035em; line-height: 1.1; }
h1 { font-size: clamp(36px, 5vw, 64px); font-weight: 700; line-height: 1.05; }
h2 { font-size: clamp(26px, 3.2vw, 38px); margin-top: 56px; margin-bottom: 18px; }
h3 { font-size: 20px; margin-top: 32px; margin-bottom: 12px; letter-spacing: -0.02em; }
p { margin: 0 0 20px; color: rgba(255,255,255,0.78); font-size: 17px; line-height: 1.75; }
.lead { font-size: 20px; color: var(--muted); line-height: 1.65; }
ul, ol { color: rgba(255,255,255,0.78); font-size: 17px; line-height: 1.85; padding-left: 22px; margin: 0 0 24px; }
li { margin-bottom: 8px; }
strong { color: var(--paper); font-weight: 600; }
.kicker { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 11px; letter-spacing: 0.24em; text-transform: uppercase; color: var(--cyan); }

.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 22px; border-radius: 6px; font-size: 14px; font-weight: 500; transition: all 0.18s; cursor: pointer; border: 1px solid transparent; }
.btn-primary { background: var(--cyan); color: var(--ink); }
.btn-primary:hover { background: #FFFFFF; }
.btn-ghost { border-color: var(--hair-2); color: var(--paper); background: transparent; }
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.btn .arr { transition: transform 0.2s; }
.btn:hover .arr { transform: translateX(3px); }

.word { font-family: 'Inter Tight', sans-serif; font-weight: 600; letter-spacing: -0.045em; line-height: 1; display: inline-block; color: var(--paper); }
.word .dot { color: var(--cyan); font-weight: 700; }

/* NAV (matches main) */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(10,14,26,0.85); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid var(--hair); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 18px 32px; max-width: 1440px; margin: 0 auto; }
.nav-logo { font-size: 26px; }
.nav-menu { display: flex; gap: 36px; font-size: 14px; color: var(--muted); }
.nav-menu a { transition: color 0.15s; }
.nav-menu a:hover { color: var(--paper); }
.nav-mobile { display: none; background: transparent; border: 1px solid var(--hair-2); color: var(--paper); width: 40px; height: 40px; border-radius: 8px; align-items: center; justify-content: center; cursor: pointer; padding: 0; font-size: 16px; }
@media (max-width: 980px) {
  .nav-menu { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; background: rgba(10,14,26,0.96); backdrop-filter: blur(16px); padding: 20px 32px; border-bottom: 1px solid var(--hair); gap: 18px; }
  .nav-menu.open { display: flex; }
  .nav-cta { display: none; }
  .nav-mobile { display: inline-flex; }
}

/* Article hero */
.article-hero { padding: 160px 0 60px; border-bottom: 1px solid var(--hair); position: relative; overflow: hidden; }
.article-hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px); background-size: 48px 48px; opacity: 0.5; mask-image: radial-gradient(ellipse at 70% 30%, black 30%, transparent 75%); pointer-events: none; }
.article-hero .wrap { position: relative; z-index: 1; }
.crumbs { display: flex; gap: 8px; align-items: center; font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 24px; }
.crumbs a { color: var(--muted); transition: color 0.15s; }
.crumbs a:hover { color: var(--cyan); }
.crumbs span { color: var(--cyan); }
.article-meta { display: flex; gap: 16px; align-items: center; font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--cyan); margin-bottom: 24px; }
.article-meta .dot { color: var(--muted-2); }
.article-title { font-size: clamp(36px, 5.2vw, 60px); line-height: 1.05; max-width: 900px; margin-bottom: 28px; }
.article-byline { display: flex; gap: 14px; align-items: center; color: var(--muted); font-size: 14px; }
.avatar { width: 36px; height: 36px; border-radius: 50%; background: linear-gradient(135deg, var(--cyan), #0EA5C8); display: flex; align-items: center; justify-content: center; color: var(--ink); font-weight: 700; font-size: 13px; }

.cover { aspect-ratio: 16/8; border: 1px solid var(--hair); border-radius: 16px; overflow: hidden; margin: 48px auto 0; max-width: 980px; position: relative; background: var(--ink-2); }
.cover svg { width: 100%; height: 100%; display: block; }

.article { padding: 80px 0 120px; }
.article p:first-of-type::first-letter { font-size: 56px; float: left; line-height: 0.9; padding: 6px 12px 0 0; font-weight: 600; color: var(--cyan); }

.callout { border-left: 2px solid var(--cyan); padding: 4px 0 4px 24px; margin: 32px 0; color: var(--paper); font-size: 19px; font-style: italic; line-height: 1.55; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--hair); border: 1px solid var(--hair); border-radius: 12px; overflow: hidden; margin: 40px 0; }
.stat-row > div { background: var(--ink-2); padding: 28px 24px; }
.stat-row .num { font-family: 'Inter Tight', sans-serif; font-size: 36px; font-weight: 700; color: var(--cyan); letter-spacing: -0.03em; line-height: 1; }
.stat-row .lab { margin-top: 8px; font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); }

.endnote { margin-top: 64px; padding-top: 32px; border-top: 1px solid var(--hair); display: flex; gap: 20px; align-items: flex-start; }
.endnote .avatar { width: 48px; height: 48px; flex-shrink: 0; }
.endnote .who { color: var(--paper); font-weight: 600; }
.endnote .what { color: var(--muted); font-size: 14px; }

.cta-card { margin-top: 80px; padding: 56px 48px; background: linear-gradient(135deg, var(--ink-2), var(--ink-3)); border: 1px solid var(--hair-2); border-radius: 20px; text-align: center; }
.cta-card h3 { font-size: 28px; margin: 0 0 12px; }
.cta-card p { color: var(--muted); max-width: 520px; margin: 0 auto 28px; }

/* FOOTER */
.footer { background: var(--ink-2); border-top: 1px solid var(--hair); padding: 80px 0 40px; margin-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 60px; margin-bottom: 60px; }
.footer h5 { font-size: 12px; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 18px; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 12px; font-size: 14px; }
.footer-foot { padding-top: 32px; border-top: 1px solid var(--hair); display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--muted-2); flex-wrap: wrap; gap: 12px; }
.footer-legal { font-size: 11px; color: var(--muted-2); margin-top: 12px; max-width: 100%; }

/* Page-specific layouts */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; padding: 80px 0; }
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin: 48px 0; }
.value { padding: 28px 24px; background: var(--ink-2); border: 1px solid var(--hair); border-radius: 12px; }
.value-num { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--cyan); letter-spacing: 0.2em; }
.value h4 { font-size: 18px; margin: 14px 0 10px; }
.value p { font-size: 14px; line-height: 1.6; margin: 0; }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; padding: 80px 0; }
.contact-list { display: flex; flex-direction: column; gap: 28px; }
.contact-block h4 { font-size: 13px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted-2); font-weight: 500; margin-bottom: 8px; }
.contact-block .v { font-size: 18px; color: var(--paper); }
.contact-block .v a { transition: color 0.15s; }
.contact-block .v a:hover { color: var(--cyan); }

.form { background: var(--ink-2); border: 1px solid var(--hair); border-radius: 16px; padding: 36px; }
.form .row { display: grid; gap: 16px; margin-bottom: 16px; }
.form label { display: block; font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 8px; }
.form input, .form textarea, .form select { width: 100%; padding: 14px 16px; background: var(--ink); border: 1px solid var(--hair-2); border-radius: 8px; color: var(--paper); font-family: inherit; font-size: 15px; transition: border-color 0.15s; }
.form input:focus, .form textarea:focus, .form select:focus { outline: none; border-color: var(--cyan); }
.form textarea { min-height: 120px; resize: vertical; }
.form button { margin-top: 8px; }

.blog-list-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; padding: 80px 0; }
.blog-card-page { display: block; background: var(--ink-2); border: 1px solid var(--hair); border-radius: 12px; overflow: hidden; transition: all 0.2s; cursor: pointer; color: inherit; }
.blog-card-page:hover { border-color: var(--cyan); transform: translateY(-3px); }
.blog-card-page .thumb { aspect-ratio: 16/9; position: relative; overflow: hidden; }
.blog-card-page .thumb svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.blog-card-page .meta { padding: 24px 24px 8px; font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--cyan); }
.blog-card-page .title { padding: 0 24px 24px; font-size: 18px; font-weight: 600; line-height: 1.3; letter-spacing: -0.02em; }

@media (max-width: 980px) {
  .stat-row { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .values-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .blog-list-grid { grid-template-columns: 1fr; }
}


/* ============ BLOG ARTICLE ============ */
/* blog-article.css — extends blog-page.css with article-specific layouts */

/* Related articles strip */
.related { padding: 80px 0 40px; border-top: 1px solid var(--hair); }
.related-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 32px; flex-wrap: wrap; gap: 16px; }
.related-head h3 { font-size: 24px; margin: 0; letter-spacing: -0.02em; }
.related-head a { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--cyan); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.related-card { display: block; background: var(--ink-2); border: 1px solid var(--hair); border-radius: 10px; overflow: hidden; transition: all 0.2s; color: inherit; }
.related-card:hover { border-color: var(--cyan); transform: translateY(-2px); }
.related-card .thumb { aspect-ratio: 16/9; position: relative; overflow: hidden; }
.related-card .thumb svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.related-card .meta { padding: 18px 20px 6px; font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--cyan); }
.related-card .title { padding: 0 20px 20px; font-size: 15px; font-weight: 600; line-height: 1.35; letter-spacing: -0.015em; }
@media (max-width: 980px) { .related-grid { grid-template-columns: 1fr; } }

/* Avatar with logo image */
.avatar-img { width: 36px; height: 36px; border-radius: 50%; background: var(--ink-3); border: 1px solid var(--hair-2); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.avatar-img img { width: 26px; height: 26px; object-fit: contain; }
.endnote .avatar-img { width: 48px; height: 48px; }
.endnote .avatar-img img { width: 34px; height: 34px; }

/* Article content tweaks */
.article h2 { letter-spacing: -0.025em; }
.article h2::before { content: ""; display: block; width: 28px; height: 2px; background: var(--cyan); margin-bottom: 18px; }
.article a:not(.btn) { color: var(--cyan); border-bottom: 1px solid rgba(0,212,255,0.3); transition: border-color 0.15s; }
.article a:not(.btn):hover { border-bottom-color: var(--cyan); }
.article .callout { font-style: normal; font-size: 20px; line-height: 1.5; padding: 24px 32px; background: var(--ink-2); border-radius: 12px; border-left: 3px solid var(--cyan); margin: 36px 0; color: var(--paper); }
.article .callout strong { color: var(--cyan); }

/* Comparison / cost table */
.cmp { width: 100%; border-collapse: collapse; margin: 32px 0; font-size: 15px; background: var(--ink-2); border: 1px solid var(--hair); border-radius: 12px; overflow: hidden; }
.cmp th, .cmp td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--hair); }
.cmp th { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--cyan); background: var(--ink-3); font-weight: 500; }
.cmp tr:last-child td { border-bottom: none; }
.cmp td:first-child { color: var(--paper); font-weight: 500; }
.cmp td:not(:first-child) { color: var(--muted); }
.cmp td.win { color: var(--cyan); font-weight: 500; }

/* Numbered checklist */
.checklist { list-style: none; padding: 0; margin: 32px 0; counter-reset: item; }
.checklist li { counter-increment: item; padding: 18px 0 18px 56px; border-bottom: 1px solid var(--hair); position: relative; font-size: 16px; line-height: 1.6; color: var(--paper); }
.checklist li::before { content: counter(item, decimal-leading-zero); position: absolute; left: 0; top: 18px; font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--cyan); letter-spacing: 0.1em; }
.checklist li:last-child { border-bottom: none; }
.checklist li strong { display: block; font-weight: 600; margin-bottom: 4px; }

/* Inline cite block */
.cite { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted-2); margin-top: -16px; margin-bottom: 24px; }



/* ============ BLOG INDEX FILTER & GRID ============ */
.blog-filter-row{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0 36px;}
.blog-filter-chip{padding:8px 14px;border:1px solid rgba(255,255,255,0.12);border-radius:999px;font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--paper);background:rgba(255,255,255,0.02);cursor:pointer;transition:all .2s;}
.blog-filter-chip:hover{border-color:var(--cyan);color:var(--cyan);}
.blog-filter-chip.active{background:var(--cyan);color:#0A0E1A;border-color:var(--cyan);}
.blog-list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;}
@media (max-width:980px){.blog-list-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:640px){.blog-list-grid{grid-template-columns:1fr;}}
.blog-card-page{display:block;text-decoration:none;color:inherit;}
.blog-card-page .thumb{aspect-ratio:16/9;border-radius:12px;overflow:hidden;border:1px solid rgba(255,255,255,0.08);margin-bottom:14px;transition:border-color .2s;}
.blog-card-page .thumb svg{display:block;width:100%;height:100%;}
.blog-card-page:hover .thumb{border-color:var(--cyan);}
.blog-card-page .meta{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--muted-2);margin-bottom:8px;}
.blog-card-page .title{font-family:'Inter Tight',sans-serif;font-size:20px;font-weight:500;line-height:1.3;letter-spacing:-0.01em;color:var(--paper);}
.blog-card-page:hover .title{color:var(--cyan);}
.featured-row{display:grid;grid-template-columns:1.4fr 1fr;gap:32px;margin-bottom:48px;}
@media (max-width:880px){.featured-row{grid-template-columns:1fr;}}
.featured-card{display:block;text-decoration:none;color:inherit;border:1px solid rgba(255,255,255,0.1);border-radius:16px;overflow:hidden;background:rgba(255,255,255,0.02);transition:border-color .2s;}
.featured-card:hover{border-color:var(--cyan);}
.featured-card .thumb{aspect-ratio:16/9;}
.featured-card .thumb svg{display:block;width:100%;height:100%;}
.featured-card .body{padding:24px;}
.featured-card .meta{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--cyan);margin-bottom:10px;}
.featured-card h3{font-family:'Inter Tight',sans-serif;font-size:28px;font-weight:600;line-height:1.2;letter-spacing:-0.02em;margin:0 0 12px;color:var(--paper);}
.featured-card .excerpt{color:var(--muted);line-height:1.55;}
.featured-side{display:flex;flex-direction:column;gap:16px;}
.featured-side a{display:flex;gap:14px;text-decoration:none;color:inherit;padding:14px;border:1px solid rgba(255,255,255,0.08);border-radius:12px;transition:all .2s;background:rgba(255,255,255,0.02);}
.featured-side a:hover{border-color:var(--cyan);}
.featured-side .pin{flex:0 0 80px;aspect-ratio:1;border-radius:8px;overflow:hidden;}
.featured-side .pin svg{display:block;width:100%;height:100%;}
.featured-side .info{flex:1;min-width:0;}
.featured-side .info .meta{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:2px;text-transform:uppercase;color:var(--muted-2);margin-bottom:6px;}
.featured-side .info .ttl{font-family:'Inter Tight',sans-serif;font-size:14px;font-weight:500;line-height:1.35;color:var(--paper);}
.featured-side a:hover .ttl{color:var(--cyan);}
.section-rule{display:flex;align-items:center;gap:14px;margin:56px 0 24px;}
.section-rule .lab{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:3px;text-transform:uppercase;color:var(--cyan);}
.section-rule .ln{flex:1;height:1px;background:rgba(255,255,255,0.1);}

/* 404 */
.error-wrap{min-height:60vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:80px 24px;}
.error-code{font-family:'JetBrains Mono',monospace;font-size:14px;letter-spacing:6px;color:var(--cyan);text-transform:uppercase;margin-bottom:24px;}
.error-title{font-family:'Inter Tight',sans-serif;font-size:clamp(56px,10vw,120px);font-weight:600;letter-spacing:-0.04em;line-height:1;margin-bottom:16px;}
.error-lead{font-size:18px;color:var(--muted);max-width:520px;margin:0 auto 36px;line-height:1.6;}