/* ============================================
   Illnicity Corp — styles
   ============================================ */

:root {
  --bg: #0a0a0b;
  --bg-alt: #101013;
  --surface: #17171b;
  --ink: #f4f4f2;
  --ink-dim: #a4a4ad;
  --accent: #d6ff3f;
  --accent-ink: #0a0a0b;
  --line: rgba(244, 244, 242, 0.12);
  --font-display: "Archivo Black", "Arial Black", sans-serif;
  --font-body: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --max: 72rem;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--accent); color: var(--accent-ink); }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

h2 em, h1 em, .contact-title em {
  font-style: normal;
  color: var(--accent);
}

a { color: inherit; }

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem clamp(1.25rem, 4vw, 3rem);
  background: rgba(10, 10, 11, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 0.4rem;
  background: var(--accent);
  color: var(--accent-ink);
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.14em;
}

.brand-corp { color: var(--ink-dim); }

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2rem);
}

.site-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-dim);
  transition: color 0.2s ease;
}

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

.nav-cta {
  padding: 0.5rem 1rem;
  border: 1px solid var(--accent);
  border-radius: 999px;
  color: var(--accent) !important;
  transition: background 0.2s ease, color 0.2s ease;
}

.nav-cta:hover {
  background: var(--accent);
  color: var(--accent-ink) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: 0;
  padding: 0.5rem;
  cursor: pointer;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* ---------- hero ---------- */

.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(5rem, 12vh, 9rem) clamp(1.25rem, 4vw, 3rem) clamp(4rem, 9vh, 7rem);
}

.hero-kicker {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.6rem, 8vw, 6.25rem);
}

.hero-title .line { display: block; }

.hero-sub {
  max-width: 38rem;
  margin-top: 2rem;
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--ink-dim);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.5rem;
}

.btn {
  display: inline-block;
  padding: 0.9rem 1.9rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
}

.btn-ghost {
  border: 1px solid var(--line);
  color: var(--ink);
}

.btn-ghost:hover { border-color: var(--ink); }

.hero-meta {
  display: flex;
  gap: 0.75rem;
  margin-top: 3rem;
  font-size: 0.9rem;
  color: var(--ink-dim);
}

.hero-meta a { color: var(--ink-dim); }
.hero-meta a:hover { color: var(--accent); }

/* ---------- marquee ---------- */

.marquee {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 1.1rem 0;
  background: var(--bg-alt);
}

.marquee-track {
  display: flex;
  gap: 2.5rem;
  width: max-content;
  animation: marquee 28s linear infinite;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-dim);
  white-space: nowrap;
}

.marquee-track span:nth-child(even) { color: var(--accent); }

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ---------- sections ---------- */

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(4rem, 10vh, 7.5rem) clamp(1.25rem, 4vw, 3rem);
}

.section-alt {
  max-width: none;
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-alt > * {
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
}

.section-kicker {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.section-head h2 {
  font-size: clamp(1.9rem, 4.5vw, 3.25rem);
  max-width: 46rem;
}

/* ---------- services ---------- */

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: 1.5rem;
  margin-top: 3.5rem;
}

.service {
  padding: 2rem 1.75rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 1rem;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.service:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.service-num {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--accent);
}

.service h3 {
  font-size: 1.35rem;
  margin: 0.9rem 0 0.9rem;
}

.service p { color: var(--ink-dim); }

.service ul {
  margin-top: 1.25rem;
  list-style: none;
}

.service li {
  padding: 0.55rem 0;
  border-top: 1px solid var(--line);
  font-size: 0.95rem;
}

.service li::before {
  content: "→ ";
  color: var(--accent);
}

/* ---------- approach ---------- */

.approach-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 2.5rem;
  margin-top: 3.5rem;
}

.approach-step h3 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  padding-top: 1rem;
  border-top: 2px solid var(--accent);
}

.approach-step p { color: var(--ink-dim); }

/* ---------- about ---------- */

.about-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about-copy p { color: var(--ink-dim); }
.about-copy p + p { margin-top: 1.25rem; }

@media (max-width: 48rem) {
  .about-wrap { grid-template-columns: 1fr; }
}

/* ---------- contact ---------- */

.contact { text-align: center; }

.contact-title {
  font-size: clamp(2.2rem, 6vw, 4.5rem);
}

.contact-email {
  display: inline-block;
  margin-top: 2.25rem;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3.5vw, 2.4rem);
  color: var(--accent);
  text-decoration: none;
  border-bottom: 3px solid transparent;
  transition: border-color 0.2s ease;
}

.contact-email:hover { border-color: var(--accent); }

.contact-address {
  margin-top: 2rem;
  font-style: normal;
  color: var(--ink-dim);
}

/* ---------- footer ---------- */

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: space-between;
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.75rem clamp(1.25rem, 4vw, 3rem);
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--ink-dim);
}

/* ---------- reveal animation ---------- */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

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

/* ---------- mobile nav ---------- */

@media (max-width: 44rem) {
  .nav-toggle { display: flex; }

  .site-nav {
    position: fixed;
    inset: 3.6rem 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    transform: translateY(-120%);
    transition: transform 0.3s ease;
  }

  .site-nav.open { transform: translateY(0); }

  .site-nav a {
    padding: 1.1rem clamp(1.25rem, 4vw, 3rem);
    border-top: 1px solid var(--line);
    font-size: 1rem;
  }

  .nav-cta {
    border: 0;
    border-radius: 0;
  }
}