/* ============================================================
   Lyticly site stylesheet
   Dark modern theme
   ============================================================ */

/* Self-hosted Inter (variable) — no third-party font requests */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../fonts/inter-variable.woff2") format("woff2");
}

:root {
  --bg: #0a0f1c;
  --bg-alt: #0d1425;
  --surface: #111a2e;
  --surface-2: #16213a;
  --border: #1f2b45;
  --text: #e6eaf2;
  --muted: #9aa7bd;
  /* Brand colours from the Lyticly logo */
  --accent: #1fbdff;      /* logo sky blue (lightened for text) */
  --accent-2: #fbc512;    /* logo yellow */
  --accent-3: #f5a623;    /* logo orange */
  --accent-grad: linear-gradient(135deg, #fbc512 0%, #f5a623 100%);
  --radius: 14px;
  --maxw: 1120px;
  --shadow: 0 10px 30px rgba(2, 6, 23, 0.45);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16.5px;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 15, 28, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none !important;
}

.brand .logo-mark { width: 30px; height: 30px; }

.brand-name {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.site-nav { display: flex; align-items: center; gap: 26px; }

.site-nav a {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none !important;
  transition: color 0.15s ease;
}

.site-nav a:hover { color: var(--text); }

.site-nav a[aria-current="page"] { color: var(--text); }

.site-nav a.nav-cta {
  color: #06121f;
  background: var(--accent-grad);
  padding: 9px 18px;
  border-radius: 999px;
  font-weight: 600;
}

.site-nav a.nav-cta:hover { filter: brightness(1.08); color: #06121f; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  min-width: 44px;
  min-height: 44px;
  padding: 7px 10px;
  cursor: pointer;
  font-size: 1.05rem;
  line-height: 1;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 110px 0 90px;
  background:
    radial-gradient(ellipse 60% 50% at 70% -10%, rgba(56, 189, 248, 0.14), transparent 60%),
    radial-gradient(ellipse 50% 40% at 15% 110%, rgba(251, 197, 18, 0.07), transparent 60%),
    var(--bg);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 20%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 20%, black 30%, transparent 75%);
  pointer-events: none;
}

.hero .container { position: relative; }

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(2.3rem, 5.4vw, 3.7rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  font-weight: 800;
  max-width: 17ch;
}

.hero h1 .grad { background: var(--accent-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

.hero .lede {
  margin-top: 22px;
  max-width: 58ch;
  font-size: 1.15rem;
  color: var(--muted);
}

.hero-actions { margin-top: 34px; display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none !important;
  transition: filter 0.15s ease, background 0.15s ease;
}

.btn-primary { background: var(--accent-grad); color: #06121f; }
.btn-primary:hover { filter: brightness(1.08); }

.btn-ghost { border: 1px solid var(--border); color: var(--text); background: rgba(255, 255, 255, 0.02); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.05); }

/* ---------- Sections ---------- */
.section { padding: 84px 0; }
.section.alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.section-head { max-width: 62ch; margin-bottom: 46px; }

.section-head h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.3rem);
  letter-spacing: -0.02em;
  font-weight: 700;
  line-height: 1.2;
}

.section-head p { margin-top: 14px; color: var(--muted); font-size: 1.05rem; }

/* ---------- Cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 26px;
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.card:hover { transform: translateY(-3px); border-color: rgba(56, 189, 248, 0.45); }

.card .icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(56, 189, 248, 0.10);
  border: 1px solid rgba(56, 189, 248, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.card .icon svg { width: 22px; height: 22px; stroke: var(--accent); }

.card h3 { font-size: 1.12rem; font-weight: 650; margin-bottom: 10px; letter-spacing: -0.01em; }

.card p { color: var(--muted); font-size: 0.95rem; }

.card a.more { display: inline-block; margin-top: 14px; font-size: 0.9rem; font-weight: 600; }

.tag-lg .tag { font-size: 0.95rem; padding: 8px 16px; color: var(--text); }

/* ---------- Split / feature rows ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.check-list { list-style: none; margin-top: 8px; }

.check-list li {
  position: relative;
  padding-left: 32px;
  margin-bottom: 16px;
  color: var(--muted);
}

.check-list li strong { color: var(--text); display: block; margin-bottom: 2px; }

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(251, 197, 18, 0.12);
  border: 1px solid rgba(251, 197, 18, 0.55);
}

.check-list li::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 11px;
  width: 8px;
  height: 5px;
  border-left: 2px solid var(--accent-2);
  border-bottom: 2px solid var(--accent-2);
  transform: rotate(-45deg);
}

/* ---------- Case studies ---------- */
.case {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 38px 36px;
  margin-bottom: 26px;
}

.case .eyebrow { margin-bottom: 10px; }

.case h2 { font-size: 1.45rem; letter-spacing: -0.02em; margin-bottom: 18px; }

.case-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 6px; }

.case-cols h3 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 8px;
}

.case-cols p { color: var(--muted); font-size: 0.95rem; }

@media (max-width: 900px) {
  .case-cols { grid-template-columns: 1fr; gap: 18px; }
  .case { padding: 30px 26px; }
}

/* ---------- Capability detail blocks ---------- */
.cap-block {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 24px;
  padding: 34px 0;
  border-bottom: 1px solid var(--border);
}

.cap-block:last-child { border-bottom: none; }

.cap-block .icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: rgba(56, 189, 248, 0.10);
  border: 1px solid rgba(56, 189, 248, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cap-block .icon svg { width: 26px; height: 26px; stroke: var(--accent); }

.cap-block h3 { font-size: 1.25rem; font-weight: 650; margin-bottom: 10px; letter-spacing: -0.01em; }

.cap-block p { color: var(--muted); max-width: 72ch; }

.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }

.tag {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 999px;
}

/* ---------- Values / numbered list ---------- */
.value-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }

.value {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
}

.value .num {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.value h3 { font-size: 1.08rem; margin-bottom: 8px; font-weight: 650; }
.value p { color: var(--muted); font-size: 0.95rem; }

/* ---------- CTA band ---------- */
.cta-band { margin: 0 24px; }

.cta-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  background:
    radial-gradient(ellipse 70% 120% at 85% 0%, rgba(56, 189, 248, 0.16), transparent 60%),
    var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 58px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.cta-inner h2 { font-size: clamp(1.5rem, 3vw, 2rem); letter-spacing: -0.02em; max-width: 24ch; }
.cta-inner p { color: var(--muted); margin-top: 10px; max-width: 50ch; }

/* ---------- Page hero (interior pages) ---------- */
.page-hero {
  padding: 84px 0 60px;
  background:
    radial-gradient(ellipse 55% 70% at 75% -20%, rgba(56, 189, 248, 0.12), transparent 60%),
    var(--bg);
  border-bottom: 1px solid var(--border);
}

.page-hero h1 { font-size: clamp(2rem, 4.5vw, 3rem); letter-spacing: -0.03em; font-weight: 800; }
.page-hero p { margin-top: 16px; color: var(--muted); font-size: 1.1rem; max-width: 62ch; }

/* ---------- Prose ---------- */
.prose { max-width: 72ch; }
.prose p { margin-bottom: 18px; color: var(--muted); }
.prose p strong, .prose li strong { color: var(--text); }
.prose h2 { font-size: 1.5rem; letter-spacing: -0.02em; margin: 38px 0 14px; }
.prose h3 { font-size: 1.15rem; margin: 28px 0 10px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: start; }

.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  margin-bottom: 20px;
}

.contact-card h3 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--accent); margin-bottom: 10px; }
.contact-card p { color: var(--muted); }
.contact-card a.big { font-size: 1.25rem; font-weight: 600; }

/* ---------- Footer ---------- */
.site-footer {
  margin-top: 84px;
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
  padding: 56px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr;
  gap: 44px;
  padding-bottom: 44px;
}

.footer-grid h4 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text);
  margin-bottom: 16px;
}

.footer-grid p, .footer-grid li, .footer-grid a { color: var(--muted); font-size: 0.93rem; }
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 9px; }
.footer-grid a { text-decoration: none; }
.footer-grid a:hover { color: var(--text); }

.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand .logo-mark { width: 26px; height: 26px; }
.footer-brand span { font-weight: 700; font-size: 1.15rem; }

.footer-bottom a { color: inherit; }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  text-align: center;
  color: #64748b;
  font-size: 0.85rem;
}

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.55s ease, transform 0.55s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .split, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* Nav collapses at 760px: the 7-item menu collides with the wordmark below ~720px */
@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }

  .site-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    padding: 14px 24px 20px;
  }

  .site-nav.open { display: flex; }
  .site-nav a { padding: 10px 0; font-size: 1.05rem; width: 100%; }
  .site-nav a.nav-cta { text-align: center; margin-top: 8px; }
}

@media (max-width: 640px) {
  .hero { padding: 72px 0 60px; }
  .section { padding: 60px 0; }
  .card-grid, .value-grid, .footer-grid { grid-template-columns: 1fr; }
  .cap-block { grid-template-columns: 1fr; }
  .cta-inner { padding: 40px 28px; }
}

/* ---------- Team ---------- */
.founder-head {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 22px;
}

.founder-head .eyebrow { display: block; margin-bottom: 4px; }

.monogram {
  flex: 0 0 auto;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.10);
  border: 1px solid rgba(56, 189, 248, 0.28);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}