/* Asterloop AI — site styles. Brand: Deep Navy #0B1F33, Teal #00D1B2, Sky Blue #3B82F6, Green #22C55E, Light Gray #E5E7EB */
:root {
  --navy: #0B1F33;
  --navy-2: #0F2A44;
  --navy-3: #13355A;
  --ink: #0B1F33;
  --teal: #00D1B2;
  --teal-d: #00A88F;
  --sky: #3B82F6;
  --green: #22C55E;
  --gray: #E5E7EB;
  --paper: #FFFFFF;
  --paper-2: #F5F8FA;
  --mint: #E8FAF6;
  --text: #1B2A3A;
  --muted: #5B6B7D;
  --on-dark: #E8EEF5;
  --on-dark-muted: #9DB0C6;
  --line: #E1E7EE;
  --line-dark: rgba(255,255,255,.10);
  --surface: #FFFFFF;
  --mint-2: #F3FCFA;
  --badge-bg: #FFFFFF;
  --article-text: #2C3D50;
  --input-bg: #FFFFFF;
  --input-border: #CBD5E1;
  --tag-bg: #E8FAF6; --tag-fg: #087F6D;
  --tag-blue-bg: #EAF2FE; --tag-blue-fg: #1E5BC6;
  --tag-amber-bg: #FFF5E0; --tag-amber-fg: #8A5A00;
  --notice-bg: #FFF8EB; --notice-border: #F6D58E; --notice-fg: #5C4200;
  --ok: #087F6D;
  --header-bg: rgba(11,31,51,.92);
  color-scheme: light;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(11,31,51,.06), 0 8px 24px rgba(11,31,51,.06);
  --font-display: "Montserrat", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --wrap: 1180px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font-body); color: var(--text); background: var(--paper); line-height: 1.6; transition: background-color .25s, color .25s; font-size: 16px; overflow-x: hidden; }
img, svg { max-width: 100%; display: block; }
a { color: var(--teal-d); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { font-family: var(--font-display); color: var(--ink); line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); font-weight: 700; }
h3 { font-size: 1.12rem; font-weight: 700; }
p { margin: 0 0 1em; }
.wrap { width: min(var(--wrap), 100% - 32px); margin-inline: auto; }
.accent { color: var(--teal); }
.eyebrow { font-family: var(--font-body); font-size: .75rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--teal-d); margin: 0 0 .9rem; }
.dark .eyebrow { color: var(--teal); }
.lead { font-size: 1.12rem; color: var(--muted); max-width: 60ch; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--teal); color: var(--navy); padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; border-radius: 4px; }

/* Dark theme — set on <html data-theme="dark"> by the inline script in <head> */
:root[data-theme="dark"] {
  --ink: #F1F5F9;
  --text: #D3DDE8;
  --muted: #94A6BA;
  --paper: #07111D;
  --paper-2: #0B1828;
  --surface: #0F2033;
  --mint: #0A1E28;
  --mint-2: #081723;
  --badge-bg: #0F2033;
  --article-text: #C9D4E0;
  --line: rgba(255,255,255,.09);
  --teal-d: #2EE0C3;
  --input-bg: #0B1828;
  --input-border: rgba(255,255,255,.16);
  --tag-bg: rgba(0,209,178,.14); --tag-fg: #3FE6CB;
  --tag-blue-bg: rgba(59,130,246,.18); --tag-blue-fg: #8DB8FF;
  --tag-amber-bg: rgba(245,158,11,.15); --tag-amber-fg: #FBC560;
  --notice-bg: rgba(245,158,11,.10); --notice-border: rgba(245,158,11,.35); --notice-fg: #F8D48A;
  --ok: #3FE6CB;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.25);
  --header-bg: rgba(7,17,29,.9);
  color-scheme: dark;
}
:root[data-theme="dark"] .dark { background: var(--navy); }
:root[data-theme="dark"] .hero, :root[data-theme="dark"] .page-hero { border-bottom: 1px solid var(--line); }
:root[data-theme="dark"] .site-footer { background: #050D17; border-top: 1px solid var(--line); }
:root[data-theme="dark"] .card:hover { border-color: rgba(0,209,178,.45); }

/* Theme toggle */
.theme-toggle { width: 40px; height: 40px; border-radius: 50%; border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.04); color: var(--on-dark); display: grid; place-items: center; cursor: pointer; transition: background .15s, border-color .15s, color .15s; flex: none; }
.theme-toggle:hover { border-color: var(--teal); color: #fff; background: rgba(0,209,178,.1); }
.theme-toggle svg { width: 19px; height: 19px; }
.theme-toggle .moon { display: none; }
:root[data-theme="dark"] .theme-toggle .sun { display: none; }
:root[data-theme="dark"] .theme-toggle .moon { display: block; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: .5rem; padding: .78rem 1.35rem; border-radius: 999px; font-weight: 600; font-size: .95rem; border: 1.5px solid transparent; cursor: pointer; transition: transform .15s, background .15s, border-color .15s; text-decoration: none !important; font-family: var(--font-body); }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--teal); color: var(--navy); }
.btn-primary:hover { background: #19E0C2; }
.btn-ghost { border-color: rgba(255,255,255,.55); color: #fff; background: transparent; }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.06); }
.btn-outline { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-outline:hover { background: var(--ink); color: var(--paper); }
.btn svg { width: 16px; height: 16px; }
.link-arrow { font-weight: 600; font-size: .9rem; display: inline-flex; align-items: center; gap: .35rem; color: var(--teal-d); }
.link-arrow svg { width: 14px; height: 14px; transition: transform .15s; }
.link-arrow:hover svg { transform: translateX(3px); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: var(--header-bg); backdrop-filter: saturate(150%) blur(10px); border-bottom: 1px solid var(--line-dark); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff !important; text-decoration: none !important; font-family: var(--font-display); font-weight: 600; font-size: 1.2rem; letter-spacing: -.01em; white-space: nowrap; }
.brand img { width: 38px; height: 38px; }
.brand span { background: linear-gradient(90deg, #2FD3C8, #3B9BF5); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a { color: var(--on-dark); font-size: .92rem; font-weight: 500; padding: 8px 12px; border-radius: 8px; text-decoration: none; position: relative; }
.nav a:hover { color: #fff; background: rgba(255,255,255,.06); }
.nav a[aria-current="page"] { color: #fff; }
.nav a[aria-current="page"]::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: -14px; height: 2px; background: var(--teal); border-radius: 2px; }
.header-cta { display: flex; align-items: center; gap: 10px; }
.header-cta .btn { padding: .6rem 1.1rem; font-size: .88rem; }
.menu-btn { display: none; background: none; border: 0; color: #fff; padding: 8px; cursor: pointer; }
.menu-btn svg { width: 26px; height: 26px; }
@media (max-width: 960px) {
  .nav { position: fixed; inset: 72px 0 auto 0; flex-direction: column; align-items: stretch; background: var(--navy); padding: 12px 16px 20px; border-bottom: 1px solid var(--line-dark); display: none; }
  .nav.open { display: flex; }
  .nav a { padding: 12px; font-size: 1rem; }
  .nav a[aria-current="page"]::after { display: none; }
  .nav a[aria-current="page"] { background: rgba(0,209,178,.12); color: var(--teal); }
  .menu-btn { display: block; }
  .header-cta .btn { display: none; }
}

/* Sections */
section { padding: 96px 0; }
.section-tight { padding: 64px 0; }
.dark { background: var(--navy); color: var(--on-dark); }
.dark h1, .dark h2, .dark h3 { color: #fff; }
.dark .lead, .dark p { color: var(--on-dark-muted); }
.soft { background: var(--paper-2); }
.mint { background: linear-gradient(180deg, var(--mint), var(--mint-2)); }
.section-head { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: end; margin-bottom: 48px; }
.section-head > p { color: var(--muted); margin: 0; border-left: 1px solid var(--line); padding-left: 28px; }
.dark .section-head > p { border-color: var(--line-dark); }
@media (max-width: 820px) { .section-head { grid-template-columns: 1fr; gap: 16px; } .section-head > p { border: 0; padding: 0; } section { padding: 72px 0; } }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 0; background: radial-gradient(1200px 600px at 80% 40%, #11406B 0%, var(--navy) 60%); }
.hero .wrap { position: relative; display: grid; grid-template-columns: 1.05fr 1fr; align-items: center; min-height: 620px; gap: 24px; }
.hero-copy { position: relative; z-index: 2; padding: 72px 0; }
.hero h1 { color: #fff; }
.hero p.lead { color: #C6D3E2; font-size: 1.15rem; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }
.hero-visual { position: relative; height: 100%; min-height: 520px; }
.hero-visual canvas { position: absolute; inset: -40px -120px -40px -60px; width: calc(100% + 180px); height: calc(100% + 80px); }
.regions { position: absolute; top: 34px; right: 0; list-style: none; margin: 0; padding: 0; z-index: 3; display: grid; gap: 8px; font-size: .82rem; color: var(--on-dark); }
.regions li { display: flex; align-items: center; gap: 8px; }
.regions li::before { content: ""; width: 9px; height: 9px; border: 1.5px solid var(--teal); border-radius: 2px; box-shadow: inset 0 0 0 2px var(--navy), inset 0 0 0 5px var(--teal); }
.page-hero { background: radial-gradient(900px 400px at 85% 0%, #11406B 0%, var(--navy) 65%); padding: 88px 0 72px; position: relative; overflow: hidden; }
.page-hero h1 { font-size: clamp(2rem, 4.2vw, 3rem); max-width: 22ch; }
.page-hero .lead { color: #C6D3E2; }
.page-hero::after { content: ""; position: absolute; right: -80px; top: -60px; width: 420px; height: 420px; background: url("../img/net.svg") center/contain no-repeat; opacity: .5; pointer-events: none; }
@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: 1fr; min-height: 0; }
  .hero-copy { padding: 56px 0 8px; }
  .hero-visual { min-height: 320px; }
  .hero-visual canvas { inset: -20px -16px; width: calc(100% + 32px); height: calc(100% + 40px); }
  .regions { top: auto; bottom: 16px; right: 0; }
  .page-hero::after { opacity: .25; }
}

/* Cards */
.grid { display: grid; gap: 20px; }
.grid-5 { grid-template-columns: repeat(5, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 1100px) { .grid-5 { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 900px) { .grid-4, .grid-3 { grid-template-columns: repeat(2, 1fr); } .grid-5 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid-5, .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; } }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px; box-shadow: var(--shadow); display: flex; flex-direction: column; transition: border-color .2s, transform .2s; }
.card:hover { border-color: rgba(0,209,178,.55); }
.card h3 { margin-top: 18px; }
.card p { color: var(--muted); font-size: .93rem; flex: 1; }
.card .link-arrow { margin-top: 6px; }
.dark .card { background: var(--navy-2); border-color: var(--line-dark); box-shadow: none; }
.dark .card h3 { color: #fff; }
.icon { width: 44px; height: 44px; color: var(--teal-d); }
.icon svg { width: 100%; height: 100%; stroke-width: 1.6; }
.dark .icon { color: var(--teal); }
.icon-badge { width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; border: 1.5px solid rgba(0,209,178,.5); color: var(--teal-d); background: var(--badge-bg); flex: none; }
.icon-badge svg { width: 24px; height: 24px; }
.tag { display: inline-block; align-self: flex-start; justify-self: start; width: fit-content; font-size: .72rem; font-weight: 600; letter-spacing: .04em; padding: 4px 10px; border-radius: 999px; background: var(--tag-bg); color: var(--tag-fg); }
.tag.blue { background: var(--tag-blue-bg); color: var(--tag-blue-fg); }
.tag.amber { background: var(--tag-amber-bg); color: var(--tag-amber-fg); }
.dark .tag { background: rgba(0,209,178,.14); color: var(--teal); }

/* Process */
.process { display: grid; grid-template-columns: 260px repeat(4, 1fr); gap: 20px; align-items: start; }
.process h2 { font-size: 1.7rem; }
.step { position: relative; }
.step .icon-badge { margin-bottom: 14px; }
.step h3 { font-size: 1rem; margin-bottom: .3em; }
.step p { font-size: .9rem; color: var(--muted); margin: 0; }
.step:not(:last-child)::after { content: ""; position: absolute; top: 26px; left: 66px; right: 4px; height: 1px; background: repeating-linear-gradient(90deg, var(--teal) 0 4px, transparent 4px 9px); opacity: .6; }
@media (max-width: 1000px) { .process { grid-template-columns: repeat(2, 1fr); } .process > div:first-child { grid-column: 1 / -1; } .step::after { display: none; } }
@media (max-width: 560px) { .process { grid-template-columns: 1fr; } }

/* Feature split */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 32px; } }
.checklist { list-style: none; padding: 0; margin: 0 0 1.4em; display: grid; gap: 10px; }
.checklist li { display: flex; gap: 10px; align-items: flex-start; }
.checklist li::before { content: ""; flex: none; width: 18px; height: 18px; margin-top: 3px; border-radius: 50%; background: var(--teal) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230B1F33' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/11px no-repeat; }
.dark .checklist li { color: var(--on-dark); }

/* Concept mockup (product UI, illustrative) */
.mock { background: #0A1A2B; border: 1px solid var(--line-dark); border-radius: 16px; padding: 18px; color: var(--on-dark); font-size: .82rem; box-shadow: 0 30px 60px rgba(0,0,0,.35); position: relative; }
.mock-bar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.mock-title { display: flex; align-items: center; gap: 8px; font-weight: 600; color: #fff; font-size: .9rem; }
.mock-title img { width: 20px; }
.mock-label { font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; color: var(--on-dark-muted); border: 1px dashed rgba(255,255,255,.25); padding: 3px 8px; border-radius: 6px; }
.mock-agents { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 12px; }
.agent { background: var(--navy-2); border: 1px solid var(--line-dark); border-radius: 10px; padding: 10px; }
.agent b { display: block; color: #fff; font-size: .8rem; margin-bottom: 2px; }
.agent small { color: var(--on-dark-muted); }
.agent .bar { height: 4px; background: rgba(255,255,255,.08); border-radius: 4px; margin-top: 8px; overflow: hidden; }
.agent .bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--teal), var(--sky)); border-radius: 4px; }
.mock-row { display: grid; grid-template-columns: 54px 1fr auto; gap: 10px; align-items: center; padding: 9px 10px; border-radius: 8px; background: rgba(255,255,255,.03); margin-bottom: 6px; }
.mock-row code { font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; color: var(--teal); font-size: .75rem; }
.pill { font-size: .68rem; padding: 3px 8px; border-radius: 999px; font-weight: 600; }
.pill.ok { background: rgba(34,197,94,.15); color: #4ADE80; }
.pill.rev { background: rgba(59,130,246,.18); color: #7FB0FF; }
.pill.wait { background: rgba(245,158,11,.15); color: #FBBF24; }
@media (max-width: 520px) { .mock-agents { grid-template-columns: 1fr; } }

/* Case studies */
.case { display: grid; grid-template-columns: 300px 1fr; gap: 48px; padding: 56px 0; border-top: 1px solid var(--line); scroll-margin-top: 90px; }
.case:first-of-type { border-top: 0; padding-top: 0; }
.case-num { font-family: var(--font-display); font-size: 3.4rem; font-weight: 700; color: var(--teal); line-height: 1; margin-bottom: 12px; }
.case dl { margin: 0; display: grid; gap: 22px; }
.case dt { font-size: .75rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--teal-d); margin-bottom: 4px; }
.case dd { margin: 0; color: var(--text); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font-size: .8rem; padding: 4px 10px; border-radius: 6px; background: var(--paper-2); border: 1px solid var(--line); color: var(--text); }
.notice { background: var(--notice-bg); border: 1px solid var(--notice-border); color: var(--notice-fg); border-radius: var(--radius-sm); padding: 12px 14px; font-size: .9rem; }
.case-card { text-decoration: none !important; color: inherit; }
.case-card .case-num { font-size: 2rem; margin-bottom: 0; }
@media (max-width: 860px) { .case { grid-template-columns: 1fr; gap: 20px; } }

/* Articles */
.article { max-width: 760px; padding: 56px 0; border-top: 1px solid var(--line); scroll-margin-top: 90px; }
.article:first-of-type { border-top: 0; padding-top: 0; }
.article h2 { font-size: 1.7rem; }
.article p { font-size: 1.05rem; color: var(--article-text); }
.toc { position: sticky; top: 100px; display: grid; gap: 4px; align-self: start; }
.toc a { color: var(--muted); font-size: .92rem; padding: 8px 12px; border-left: 2px solid var(--line); text-decoration: none; }
.toc a:hover { color: var(--ink); border-color: var(--teal); }
.with-toc { display: grid; grid-template-columns: 240px 1fr; gap: 56px; }
@media (max-width: 900px) { .with-toc { grid-template-columns: 1fr; } .toc { position: static; } }

/* Values / meaning */
.value { display: flex; gap: 16px; align-items: flex-start; }
.value h3 { margin: 0 0 .25em; font-size: 1rem; }
.value p { margin: 0; color: var(--muted); font-size: .92rem; }
.meaning { border-left: 3px solid var(--teal); padding: 4px 0 4px 20px; }
.meaning .word { font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; color: var(--ink); }
.statement { font-family: var(--font-display); font-size: clamp(1.4rem, 2.8vw, 2rem); font-weight: 600; line-height: 1.3; color: #fff; max-width: 28ch; }

/* CTA band */
.cta-band { background: linear-gradient(120deg, #0E5A73 0%, #0B7F86 45%, #12A39A 100%); color: #fff; border-radius: 20px; padding: 56px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; align-items: center; position: relative; overflow: hidden; }
.cta-band h2 { color: #fff; margin: 0 0 .4em; }
.cta-band p { color: #D7F3EF; margin: 0; }
.cta-band .actions { display: flex; gap: 12px; justify-content: flex-end; flex-wrap: wrap; }
.cta-band .btn-primary { background: #fff; color: var(--navy); }
.cta-band::after { content: ""; position: absolute; right: -40px; bottom: -60px; width: 220px; height: 220px; background: url("../img/logo-mark.svg") center/contain no-repeat; opacity: .12; }
@media (max-width: 800px) { .cta-band { grid-template-columns: 1fr; padding: 36px 24px; } .cta-band .actions { justify-content: flex-start; } }

/* Forms */
.form { display: grid; gap: 16px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .form .row { grid-template-columns: 1fr; } }
label { font-size: .85rem; font-weight: 600; color: var(--ink); display: grid; gap: 6px; }
input, select, textarea { font: inherit; font-weight: 400; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--input-border); background: var(--input-bg); color: var(--text); width: 100%; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(0,209,178,.18); }
textarea { min-height: 140px; resize: vertical; }
.form-note { font-size: .82rem; color: var(--muted); }
.form-status { font-size: .9rem; color: var(--ok); min-height: 1.2em; }

/* FAQ */
details { border-bottom: 1px solid var(--line); padding: 18px 0; }
summary { cursor: pointer; font-weight: 600; color: var(--ink); list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--teal-d); font-size: 1.3rem; line-height: 1; }
details[open] summary::after { content: "–"; }
details p { color: var(--muted); margin: 10px 0 0; }

/* Footer */
.site-footer { background: var(--navy); color: var(--on-dark-muted); padding: 64px 0 28px; font-size: .92rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; }
.site-footer h4 { color: #fff; font-family: var(--font-body); font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 14px; }
.site-footer a { color: var(--on-dark-muted); display: block; padding: 3px 0; }
.site-footer a:hover { color: var(--teal); text-decoration: none; }
.footer-tag { font-family: var(--font-display); color: #fff; font-size: 1.1rem; margin: 14px 0 6px; }
.footer-bottom { border-top: 1px solid var(--line-dark); margin-top: 40px; padding-top: 20px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: .8rem; }
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-grid > div:first-child { grid-column: 1 / -1; } }

.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }