/* ============================================================
   Vera Global — styles.css
   Theming: CSS variables. :root = light, [data-theme="dark"] = dark.
   Fonts: Fraunces (display) + Inter (body), loaded per-page.
   ============================================================ */

:root {
  --bg: #faf9f6;
  --bg-alt: #f1efe9;
  --surface: #ffffff;
  --text: #16181a;
  --text-soft: #4d5257;
  --text-faint: #7d8288;
  --border: #e4e1d8;
  --accent: #0e7a5c;
  --accent-strong: #0a5c45;
  --accent-soft: #e3f0ea;
  --on-accent: #ffffff;
  --shadow: 0 1px 2px rgba(20, 24, 22, .05), 0 8px 24px rgba(20, 24, 22, .06);
  --hero-glow: radial-gradient(60% 80% at 70% 20%, rgba(14, 122, 92, .10), transparent 70%);
}

[data-theme="dark"] {
  --bg: #0c0e0f;
  --bg-alt: #121517;
  --surface: #16191c;
  --text: #f2f3f2;
  --text-soft: #b3b9bc;
  --text-faint: #7d8288;
  --border: #262b2e;
  --accent: #35d49e;
  --accent-strong: #5ee0b4;
  --accent-soft: #123126;
  --on-accent: #06231a;
  --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 10px 30px rgba(0, 0, 0, .35);
  --hero-glow: radial-gradient(60% 80% at 70% 20%, rgba(53, 212, 158, .09), transparent 70%);
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  transition: background .25s ease, color .25s ease;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; background: none; border: none; color: inherit; }

h1, h2, h3, .display {
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.025em;
}
h1 { font-size: clamp(2.3rem, 5vw, 3.7rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.3rem; }

.wrap { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
section { padding: 88px 0; }
.section-alt { background: var(--bg-alt); }

.eyebrow {
  display: inline-block;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 20px;
}
.lede { font-size: 1.15rem; color: var(--text-soft); max-width: 62ch; }
.center { text-align: center; }
.center .lede { margin-inline: auto; }
.section-head { margin-bottom: 48px; }
.section-head h2 { margin-bottom: 14px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600; font-size: .95rem;
  border: 1px solid transparent;
  transition: transform .15s ease, background .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: var(--accent-strong); }
.btn-ghost { border-color: var(--border); background: var(--surface); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-lg { padding: 15px 30px; font-size: 1rem; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-bar { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: .02em; font-size: 1.05rem; white-space: nowrap; }
.logo-mark {
  width: 30px; height: 30px; border-radius: 8px;
  background: var(--accent); color: var(--on-accent);
  display: grid; place-items: center;
  font-weight: 800; font-size: .95rem;
}
.logo span em { font-style: normal; color: var(--text-faint); font-weight: 500; }
.nav-links { display: flex; align-items: center; gap: 28px; font-size: .92rem; font-weight: 500; color: var(--text-soft); white-space: nowrap; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a.active { color: var(--accent); }
.nav-actions { display: flex; align-items: center; gap: 12px; }

.theme-toggle {
  width: 38px; height: 38px; border-radius: 999px;
  border: 1px solid var(--border);
  display: grid; place-items: center;
  color: var(--text-soft);
  transition: border-color .2s ease, color .2s ease;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
.theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

.nav-burger { display: none; width: 38px; height: 38px; border: 1px solid var(--border); border-radius: 8px; place-items: center; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 110px 0 90px; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; background: var(--hero-glow); pointer-events: none; }
.hero .wrap { position: relative; }
.hero h1 { max-width: 17ch; margin-bottom: 22px; }
.hero h1 .accent { color: var(--accent); }
.hero .lede { margin-bottom: 34px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-note { margin-top: 26px; font-size: .85rem; color: var(--text-faint); }

/* ---------- Stats ---------- */
.stats-row {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px;
  border-top: 1px solid var(--border);
  padding-top: 44px; margin-top: 20px;
}
.stat .num {
  font-size: clamp(2.1rem, 3.8vw, 3rem);
  font-weight: 700; letter-spacing: -0.02em; line-height: 1; color: var(--text);
}
.stat .num sup { font-size: .5em; color: var(--accent); }
.stat .label {
  margin-top: 10px; font-size: .72rem; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase; color: var(--text-faint);
}

/* ---------- Cards ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; align-items: stretch; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  box-shadow: var(--shadow);
}
.card h3 { margin-bottom: 12px; }
.card p { color: var(--text-soft); font-size: .95rem; }
.card .icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--accent-soft); color: var(--accent);
  display: grid; place-items: center; margin-bottom: 18px;
}
.card-link { margin-top: 18px; display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: .9rem; color: var(--accent); }
.card-link:hover { color: var(--accent-strong); }

/* Audience split cards */
.audience-card { position: relative; overflow: hidden; }
.audience-card .tag {
  font-size: .7rem; font-weight: 700; letter-spacing: .13em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 14px; display: block;
}
.check-list { margin-top: 20px; display: grid; gap: 12px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; font-size: .95rem; color: var(--text-soft); }
.check-list svg { flex: none; margin-top: 3px; color: var(--accent); }
.check-list strong { color: var(--text); font-weight: 600; }

/* Collapsible block inside a card */
.expand summary {
  list-style: none; display: inline-flex; align-items: center; gap: 7px;
  margin-top: 16px; cursor: pointer;
  color: var(--accent); font-weight: 600; font-size: .88rem;
}
.expand summary::-webkit-details-marker { display: none; }
.expand summary:hover { color: var(--accent-strong); }
.expand .chev { transition: transform .2s ease; }
.expand[open] .chev { transform: rotate(180deg); }
.expand .check-list { margin-top: 14px; }

/* Accordion card (icon + title visible, body collapses) */
details.card.acc { padding: 0; }
.acc summary {
  list-style: none; display: flex; align-items: center; gap: 16px;
  padding: 20px 24px; cursor: pointer;
}
.acc summary::-webkit-details-marker { display: none; }
.acc summary .icon { margin-bottom: 0; width: 40px; height: 40px; flex: none; }
.acc summary h3 { margin: 0; flex: 1; font-size: 1.05rem; }
.acc summary .chev { color: var(--text-faint); transition: transform .2s ease; flex: none; }
.acc[open] summary .chev { transform: rotate(180deg); }
.acc[open] summary { padding-bottom: 6px; }
.acc > p { padding: 0 24px 22px 80px; }
.acc .sub-list { padding: 0 24px 22px 80px; display: grid; gap: 14px; }
.acc .sub-list li { font-size: .93rem; color: var(--text-soft); position: relative; padding-left: 18px; }
.acc .sub-list li::before { content: ""; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.acc .sub-list strong { color: var(--text); font-weight: 600; display: block; }
@media (max-width: 640px) { .acc > p, .acc .sub-list { padding-left: 24px; } }

/* Services index (single-column numbered accordions) */
.services-list { max-width: 880px; margin: 0 auto; display: grid; gap: 16px; }
.services-list .acc summary { padding: 26px 28px; gap: 18px; }
.services-list .acc[open] summary { padding-bottom: 10px; }
.acc-num { flex: none; width: 30px; font-weight: 800; font-size: .9rem; color: var(--text-faint); letter-spacing: .02em; }
.acc:hover, .acc[open] { border-color: var(--accent); }
.acc[open] .acc-num { color: var(--accent); }
.acc-head { flex: 1; }
.acc-head .kicker { display: block; font-size: .85rem; font-weight: 400; color: var(--text-faint); margin-top: 3px; }
.acc .count {
  flex: none; font-size: .74rem; font-weight: 700;
  color: var(--accent); background: var(--accent-soft);
  border-radius: 999px; padding: 4px 11px;
}
.services-list .sub-list { padding: 0 28px 26px 124px; }
@media (max-width: 640px) {
  .services-list .sub-list { padding-left: 28px; }
  .acc .count { display: none; }
  .acc-num { display: none; }
}

/* Anchor chips */
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
a.pill:hover { border-color: var(--accent); color: var(--accent); }

/* Rotating word (hero) */
.rotator-line { font-size: 1.2rem; font-weight: 600; color: var(--text); margin-bottom: 34px; }
.rotator {
  display: inline-block; color: var(--accent);
  border-bottom: 2px solid var(--accent); padding-bottom: 1px;
  transition: opacity .25s ease, transform .25s ease;
}
.rotator.swap { opacity: 0; transform: translateY(8px); }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; counter-reset: step; }
.steps .card { padding: 26px; }
.step { position: relative; }
.step::before {
  counter-increment: step; content: "0" counter(step);
  font-size: 2rem; font-weight: 800; letter-spacing: -0.02em;
  color: var(--accent); opacity: .9; display: block; margin-bottom: 10px;
}
.step h3 { font-size: 1.1rem; margin-bottom: 8px; }
.step p { font-size: .92rem; color: var(--text-soft); }

/* ---------- Testimonials ---------- */
.quote-card { display: flex; flex-direction: column; gap: 18px; }
.quote-card blockquote { font-size: 1rem; color: var(--text); line-height: 1.65; }
.quote-card blockquote::before { content: "\201C"; color: var(--accent); font-size: 1.6rem; font-weight: 700; line-height: 0; margin-right: 2px; }
.quote-who { display: flex; align-items: center; gap: 12px; margin-top: auto; }
.avatar {
  width: 40px; height: 40px; border-radius: 999px; flex: none;
  background: var(--accent-soft); color: var(--accent);
  display: grid; place-items: center; font-weight: 700; font-size: .85rem;
}
.quote-who .who b { display: block; font-size: .9rem; }
.quote-who .who span { font-size: .8rem; color: var(--text-faint); }

/* ---------- Case study (Silna-style) ---------- */
.story-hero { display: grid; grid-template-columns: 1.4fr 1fr; gap: 44px; align-items: start; }
.story-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; border-top: 1px solid var(--border); margin-top: 34px; padding-top: 30px; }
.story-visual {
  border-radius: 18px; min-height: 300px;
  background:
    linear-gradient(140deg, var(--accent-soft), transparent 60%),
    var(--surface);
  border: 1px solid var(--border);
  display: grid; place-items: center; padding: 30px;
}
.pull-quote {
  border-left: 3px solid var(--accent);
  background: var(--surface);
  border-radius: 0 14px 14px 0;
  padding: 28px 30px;
  font-size: 1.08rem; line-height: 1.7; color: var(--text);
  margin: 34px 0;
}
.pull-quote footer { margin-top: 14px; font-size: .85rem; color: var(--text-faint); font-weight: 600; }
.story-meta { position: sticky; top: 96px; display: grid; gap: 22px; }
.meta-block .meta-label {
  font-size: .68rem; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; color: var(--text-faint); margin-bottom: 8px;
}
.pill { display: inline-block; border: 1px solid var(--border); background: var(--surface); border-radius: 999px; padding: 5px 13px; font-size: .82rem; margin: 0 6px 8px 0; }
.story-body h3 { margin: 34px 0 12px; }
.story-body p { color: var(--text-soft); margin-bottom: 16px; }
.story-body .expand summary {
  margin-top: 24px; font-size: 1.15rem; font-weight: 700;
  letter-spacing: -0.02em; color: var(--text);
}
.story-body .expand summary .chev { color: var(--accent); }
.story-body .expand p { margin-top: 10px; }
.story-divider { border: none; border-top: 1px solid var(--border); margin: 70px 0; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  color: #fff; border-radius: 22px;
  padding: 64px 48px;
  display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap;
}
[data-theme="dark"] .cta-band { color: var(--on-accent); }
.cta-band h2 { max-width: 22ch; }
.cta-band .btn { background: var(--bg); color: var(--text); }

/* ---------- Forms (Coder-style) ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: start; }
.form-card { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 36px; box-shadow: var(--shadow); }
.form-card h3 { margin-bottom: 22px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: .82rem; font-weight: 600; margin-bottom: 6px; color: var(--text-soft); }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px;
  border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text);
  font: inherit; font-size: .93rem;
  transition: border-color .2s ease;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); }
.field textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: .78rem; color: var(--text-faint); margin-top: 14px; line-height: 1.5; }
.form-note a { color: var(--accent); }

/* ---------- Contact info ---------- */
.contact-lines { display: grid; gap: 16px; margin-top: 30px; }
.contact-lines li { display: flex; gap: 14px; align-items: flex-start; color: var(--text-soft); font-size: .95rem; }
.contact-lines svg { flex: none; margin-top: 3px; color: var(--accent); }
.contact-lines b { color: var(--text); }

/* ---------- FAQ ---------- */
.faq { max-width: 760px; margin: 0 auto; display: grid; gap: 12px; }
.faq details { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 20px 24px; }
.faq summary { font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-size: 1.3rem; font-weight: 400; }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { margin-top: 12px; color: var(--text-soft); font-size: .93rem; }

/* ---------- Values / team ---------- */
.value-num { color: var(--accent); font-size: .95rem; font-weight: 700; margin-bottom: 10px; }
.team-card { text-align: center; }
.team-card .avatar { width: 74px; height: 74px; font-size: 1.3rem; margin: 0 auto 16px; }
.team-card h3 { font-size: 1.05rem; }
.team-card .role { font-size: .84rem; color: var(--accent); font-weight: 600; margin-bottom: 10px; }

/* ---------- Footer (Coder-style) ---------- */
.site-footer { background: var(--bg-alt); border-top: 1px solid var(--border); padding: 64px 0 32px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-grid .logo { margin-bottom: 16px; }
.footer-grid p { font-size: .88rem; color: var(--text-soft); max-width: 34ch; }
.footer-col h4 { font-size: .78rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 16px; }
.footer-col ul { display: grid; gap: 10px; font-size: .9rem; color: var(--text-soft); }
.footer-col a:hover { color: var(--accent); }
.footer-base {
  border-top: 1px solid var(--border); padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
  font-size: .82rem; color: var(--text-faint);
}
.socials { display: flex; gap: 14px; }
.socials a { color: var(--text-faint); }
.socials a:hover { color: var(--accent); }

/* ---------- Page hero (inner pages) ---------- */
.page-hero { padding: 80px 0 56px; border-bottom: 1px solid var(--border); position: relative; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; inset: 0; background: var(--hero-glow); pointer-events: none; }
.page-hero .wrap { position: relative; }
.page-hero h1 { max-width: 20ch; margin-bottom: 16px; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  section { padding: 64px 0; }
  .grid-3, .grid-4, .steps { grid-template-columns: 1fr 1fr; }
  .stats-row { grid-template-columns: 1fr 1fr; gap: 34px; }
  .story-hero, .contact-grid { grid-template-columns: 1fr; }
  .story-meta { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links {
    display: none;
    position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--border);
    padding: 10px 24px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; width: 100%; }
  .nav-burger { display: grid; }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4, .steps, .form-row { grid-template-columns: 1fr; }
  .nav-actions .btn { display: none; }
  .cta-band { padding: 44px 28px; }
  .hero { padding: 72px 0 64px; }
}

/* ---------- Polish pass: focus, depth, motion-safety ---------- */
a:focus-visible, button:focus-visible, summary:focus-visible,
input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 8px;
}
a, button, summary { outline: none; }
/* subtle lift on content cards (details/acc keep their own affordance) */
.card:not(.acc):not(details) {
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:not(.acc):not(details):hover {
  transform: translateY(-3px);
  border-color: var(--accent-soft);
  box-shadow: 0 2px 4px rgba(20, 24, 22, .06), 0 14px 34px rgba(20, 24, 22, .10);
}
[data-theme="dark"] .card:not(.acc):not(details):hover {
  box-shadow: 0 2px 6px rgba(0, 0, 0, .45), 0 16px 38px rgba(0, 0, 0, .45);
}
.card-link { transition: color .15s ease, gap .15s ease; }
.card-link:hover { gap: 10px; }
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}