/* alba.one — site styles */
:root {
  --orange: #F7941D;
  --orange-ink: #A85A00;
  --teal: #39C0C4;
  --teal-ink: #0B7478;
  --ink: #111418;
  --ink-2: #3B414A;
  --muted: #6A717C;
  --line: #E6E8EC;
  --bg: #FFFFFF;
  --bg-2: #F6F7F9;
  --code-bg: #0F1419;
  --radius: 14px;
  --max: 1160px;
  --font: 'Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--bg); line-height: 1.6; font-size: 17px; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration-color: var(--orange); text-underline-offset: 3px; }
a:hover { color: var(--orange-ink); }
h1, h2, h3, h4 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 .5em; font-weight: 800; }
h1 { font-size: clamp(2.3rem, 5.2vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.2rem; letter-spacing: -0.01em; font-weight: 700; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--teal); outline-offset: 2px; border-radius: 4px; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
.muted { color: var(--muted); }

/* Buttons */
.btn, .prose a.btn { display: inline-flex; align-items: center; gap: .4em; background: var(--orange); color: var(--ink); font-weight: 700; text-decoration: none; padding: .8em 1.4em; border-radius: 999px; border: 2px solid var(--orange); font-size: 1rem; cursor: pointer; font-family: inherit; transition: transform .15s, background .15s; }
.btn:hover { background: #ffa53d; color: var(--ink); transform: translateY(-1px); }
.btn.ghost, .prose a.btn.ghost { background: transparent; border-color: var(--line); color: var(--ink); }
.btn.ghost:hover { border-color: var(--ink); }
.btn-sm { padding: .5em 1.1em; font-size: .92rem; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.9); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line); }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand img { height: 30px; width: auto; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a:not(.btn) { text-decoration: none; font-weight: 600; font-size: .96rem; color: var(--ink-2); }
.site-nav a:not(.btn):hover, .site-nav a[aria-current] { color: var(--ink); }
.site-nav a[aria-current]:not(.btn) { box-shadow: inset 0 -2px 0 var(--orange); }
.menu-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 999px; padding: .45em 1em; font: 600 .92rem var(--font); color: var(--ink); cursor: pointer; }

/* Eyebrow */
.eyebrow { font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--teal-ink); margin-bottom: 1em; display: flex; align-items: center; gap: .6em; }
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--orange); display: inline-block; }
.eyebrow a { text-decoration: none; }

/* Hero */
.hero { padding: 96px 0 72px; position: relative; overflow: hidden; }
.hero::after { content: ""; position: absolute; right: -180px; top: -160px; width: 520px; height: 520px; border-radius: 50%; background: radial-gradient(circle at 30% 30%, rgba(57,192,196,.22), rgba(247,148,29,.12) 55%, transparent 70%); pointer-events: none; }
.hero .container { position: relative; z-index: 1; }
.hero-copy { max-width: 860px; }
.hero h1 { margin-bottom: .35em; }
.hero h1 em, h2 em { font-style: normal; color: var(--orange-ink); }
.hero-copy > p:not(.eyebrow) { font-size: 1.2rem; color: var(--ink-2); max-width: 680px; }
.hero-copy p:has(.btn) { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 1.8em; }
.hero-small { padding: 72px 0 40px; }
.hero-small h1 { font-size: clamp(2rem, 4.2vw, 3.1rem); }
.hero-stats ul { list-style: none; padding: 0; margin: 64px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.hero-stats li { padding: 22px 24px 0 0; color: var(--muted); font-size: .95rem; }
.hero-stats strong { display: block; color: var(--ink); font-size: 1.35rem; font-weight: 800; letter-spacing: -.01em; }
.lede { font-size: 1.2rem; color: var(--ink-2); }
.byline { color: var(--muted); font-size: .95rem; }

/* Sections */
.section { padding: 88px 0; }
.section + .section { border-top: 1px solid var(--line); }
.tone-alt { background: var(--bg-2); border-top: 0 !important; }
.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head > p:not(.eyebrow) { color: var(--ink-2); font-size: 1.1rem; }
.section-head a:not(.btn) { font-weight: 700; }

/* Grids and cards */
.grid { display: grid; gap: 20px; }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }
.card { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; transition: border-color .2s, transform .2s, box-shadow .2s; }
.card:hover { border-color: #cfd3d9; transform: translateY(-2px); box-shadow: 0 10px 30px -18px rgba(17,20,24,.25); }
.card p, .card li { color: var(--ink-2); font-size: .98rem; }
.card p:last-child, .card ul:last-child { margin-bottom: 0; }
.card ul { padding-left: 1.1em; margin: 0 0 1em; }
.card li { margin-bottom: .3em; }
.card h4 { font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin: 1.2em 0 .5em; }
.num { display: inline-block; font-family: var(--mono); font-size: .85rem; color: var(--orange-ink); margin-bottom: 18px; font-weight: 500; }
.meta { font-size: .82rem; font-weight: 600; color: var(--teal-ink); display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.card .meta { color: var(--teal-ink); }
.tag { background: rgba(57,192,196,.12); color: var(--teal-ink); border-radius: 999px; padding: 2px 10px; }
.card a.more { font-weight: 700; text-decoration: none; font-size: .95rem; display: inline-block; margin-top: .6em; }
.post-card h3 a { text-decoration: none; }

.steps .card { background: transparent; border: 0; border-top: 2px solid var(--ink); border-radius: 0; padding: 22px 0 0; }
.steps .card:hover { transform: none; box-shadow: none; }
.steps .num { font-size: 1rem; }

/* Split */
.split-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.split-col { min-width: 0; }
.split-col > :first-child { margin-top: 0; }
.split-col ul { padding-left: 1.1em; color: var(--ink-2); }
.split-col li { margin-bottom: .45em; }
dl, .facts { margin: 0; }
ul.facts { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; border-top: 1px solid var(--line); padding-top: 18px; margin-bottom: 1.6em; }
ul.facts li { font-size: .95rem; color: var(--ink); margin: 0; }
ul.facts strong { display: block; font-size: .75rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); font-weight: 700; }
ul.tags { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
ul.tags li { border: 1px solid var(--line); border-radius: 999px; padding: 4px 14px; font-size: .9rem; margin: 0; color: var(--ink-2); }
ul.checks { list-style: none; padding: 0; }
ul.checks li { position: relative; padding-left: 1.6em; }
ul.checks li::before { content: ""; position: absolute; left: 0; top: .55em; width: .7em; height: .7em; border-radius: 50%; background: var(--teal); }

/* Code */
pre { position: relative; background: var(--code-bg); color: #E6EDF3; border-radius: var(--radius); padding: 44px 24px 24px; overflow-x: auto; font: 400 .86rem/1.65 var(--mono); margin: 0 0 1.5em; }
pre .code-lang { position: absolute; top: 14px; left: 24px; font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--orange); }
pre::before { content: ""; position: absolute; top: 16px; right: 20px; width: 10px; height: 10px; border-radius: 50%; background: #39C0C4; box-shadow: -16px 0 0 #F7941D, -32px 0 0 #3a414b; }
code { font-family: var(--mono); font-size: .9em; background: var(--bg-2); padding: .1em .35em; border-radius: 5px; }
pre code { background: none; padding: 0; font-size: inherit; color: inherit; }

/* Band */
.band { padding: 32px 0 96px; }
.band-inner { background: var(--ink); color: #fff; border-radius: 24px; padding: 64px 56px; position: relative; overflow: hidden; }
.band-inner::after { content: ""; position: absolute; right: -80px; bottom: -120px; width: 360px; height: 360px; border-radius: 50%; background: radial-gradient(circle, rgba(247,148,29,.45), rgba(57,192,196,.2) 60%, transparent 72%); }
.band-inner > * { position: relative; z-index: 1; max-width: 640px; }
.band-inner p { color: #C9CED6; font-size: 1.1rem; }
.band-inner a:not(.btn) { color: #fff; }
.band-inner p:has(.btn) { display: flex; gap: 12px; flex-wrap: wrap; margin: 1.6em 0 0; }
.band-inner .btn.ghost { color: #fff; border-color: #3a414b; }

/* Prose */
.prose { max-width: 760px; }
.prose h2 { font-size: 1.7rem; margin-top: 1.8em; }
.prose h3 { margin-top: 1.6em; }
.prose > :first-child { margin-top: 0; }
.prose p, .prose li { color: var(--ink-2); }
.prose ul, .prose ol { padding-left: 1.2em; margin: 0 0 1.2em; }
.prose li { margin-bottom: .4em; }
.prose blockquote { margin: 1.6em 0; padding: 4px 0 4px 22px; border-left: 3px solid var(--orange); font-size: 1.15rem; }
.prose blockquote p { color: var(--ink); }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2.4em 0; }
.prose a:not(.btn) { font-weight: 600; }
.article .prose { font-size: 1.07rem; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: 56px; align-items: start; }
.contact-info .section-head { margin-bottom: 32px; }
.contact-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.contact-list li { display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line); font-weight: 600; }
.contact-list span { width: 80px; flex: none; color: var(--muted); font-weight: 500; }
.contact-list a { text-decoration: none; }
.form-card { background: var(--bg-2); border: 1px solid var(--line); border-radius: 20px; padding: 32px; display: grid; gap: 18px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-card label { display: grid; gap: 6px; font-size: .9rem; font-weight: 600; color: var(--ink-2); }
.form-card input, .form-card select, .form-card textarea { width: 100%; font: 400 1rem var(--font); color: var(--ink); background: #fff; border: 1px solid #d5d9df; border-radius: 10px; padding: .75em .9em; }
.form-card textarea { resize: vertical; min-height: 140px; }
.form-card input:focus, .form-card select:focus, .form-card textarea:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(57,192,196,.25); }
.form-card .check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; font-size: .88rem; }
.form-card .check input { width: auto; margin-top: .25em; accent-color: var(--orange); }
.form-card .btn { justify-self: start; }
.has-error input, .has-error textarea, .has-error select { border-color: #c2410c; }
.has-error { color: #9a3412 !important; }
.form-error { background: #fff3e6; border: 1px solid #fcd9b0; color: #7a3d00; padding: 10px 14px; border-radius: 10px; margin: 0; font-size: .92rem; }
.hp { position: absolute !important; left: -9999px; }
.form-done h3 { font-size: 1.5rem; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 64px 0 28px; background: var(--bg-2); font-size: .95rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand img { height: 26px; width: auto; margin-bottom: 16px; }
.footer-brand p { color: var(--muted); max-width: 320px; }
.site-footer h2 { font-size: .78rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); margin-bottom: 1em; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: .55em; color: var(--ink-2); }
.site-footer a { text-decoration: none; color: var(--ink-2); }
.site-footer a:hover { color: var(--ink); }
.footer-base { display: flex; justify-content: space-between; gap: 16px; margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--muted); font-size: .88rem; }
.footer-base p { margin: 0; }

/* Responsive */
@media (max-width: 980px) {
  .cols-3, .cols-4 { grid-template-columns: repeat(2, 1fr); }
  .split-cols, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 820px) {
  .menu-toggle { display: inline-block; }
  .site-nav { display: none; position: absolute; top: 72px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; gap: 0; padding: 8px 16px 20px; }
  .site-nav.open { display: flex; }
  .site-nav a:not(.btn) { padding: 14px 4px; border-bottom: 1px solid var(--line); }
  .site-nav a[aria-current]:not(.btn) { box-shadow: none; color: var(--orange-ink); }
  .site-nav .btn { margin-top: 16px; justify-content: center; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .container { padding: 0 16px; }
  .hero { padding: 64px 0 48px; }
  .section { padding: 64px 0; }
  .cols-2, .cols-3, .cols-4, .field-row, ul.facts { grid-template-columns: 1fr; }
  .hero-stats ul { grid-template-columns: 1fr; }
  .hero-stats li { padding: 16px 0; border-bottom: 1px solid var(--line); }
  .band-inner { padding: 44px 24px; border-radius: 18px; }
  .form-card { padding: 22px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-base { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }