/* =========================================================
   ZiLex — Zilwa Legal Transcription | style.css
   Dark-navy & gold brand system, fully responsive.
   ========================================================= */

/* ---------- 1. Design tokens ---------- */
:root {
  --bg:            #16283e;
  --bg-alt:        #101d30;
  --bg-deep:       #0d1930;
  --surface:       #22364e;
  --surface-2:     #2a3f59;
  --border:        rgba(255, 255, 255, .09);
  --gold:          #d8b64c;
  --gold-strong:   #c9a53c;
  --gold-soft:     rgba(216, 182, 76, .12);
  --ink:           #f4f7fb;
  --muted:         #aebccd;
  --paper:         #f6f4ee;
  --paper-ink:     #23364e;
  --radius:        14px;
  --shadow:        0 18px 45px rgba(4, 12, 24, .45);
  --font-sans:     "Archivo", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-serif:    "Playfair Display", Georgia, "Times New Roman", serif;
  --font-mono:     ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --header-h:      76px;
}

/* ---------- 2. Base / reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 18px);
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; }
ul, ol { list-style: none; padding: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
h1, h2, h3 { line-height: 1.15; font-weight: 800; letter-spacing: -.01em; }

::selection { background: var(--gold); color: var(--bg-deep); }

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  width: min(1120px, 100% - 3rem);
  margin-inline: auto;
}

.accent { color: var(--gold); }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--gold);
  color: var(--bg-deep);
  padding: .6rem 1rem;
  font-weight: 700;
  z-index: 200;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- 3. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .85rem 1.6rem;
  border-radius: 10px;
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .01em;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn-gold {
  background: linear-gradient(180deg, #e6c25e, var(--gold-strong));
  color: #1b2a41;
  box-shadow: 0 8px 22px rgba(201, 165, 60, .28);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(201, 165, 60, .38); }
.btn-ghost {
  border: 1px solid rgba(216, 182, 76, .5);
  color: var(--gold);
}
.btn-ghost:hover { background: var(--gold-soft); transform: translateY(-2px); }
.btn-sm { padding: .55rem 1.05rem; font-size: .85rem; }

/* ---------- 4. Header & nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(16, 29, 48, .88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .25s ease;
}
.site-header.scrolled { box-shadow: 0 10px 30px rgba(4, 12, 24, .5); }

.header-inner {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 2rem;
}

.brand { display: flex; flex-direction: column; line-height: 1.1; }
.brand-mark { font-size: 1.45rem; font-weight: 900; letter-spacing: .01em; }
.brand-sub {
  font-size: .58rem;
  font-weight: 600;
  letter-spacing: .34em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: .2rem;
}

.site-nav { margin-left: auto; }
.site-nav ul { display: flex; align-items: center; gap: 1.9rem; }
.site-nav a:not(.btn) {
  font-size: .93rem;
  font-weight: 600;
  color: var(--muted);
  padding: .35rem 0;
  border-bottom: 2px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}
.site-nav a:not(.btn):hover,
.site-nav a.active:not(.btn) { color: var(--ink); border-bottom-color: var(--gold); }

.header-meta { display: flex; align-items: center; gap: 1.1rem; }
.reg-no {
  font-family: var(--font-mono);
  font-size: .72rem;
  line-height: 1.45;
  letter-spacing: .06em;
  color: var(--muted);
  text-align: right;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .25s ease, opacity .25s ease;
}
body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 5. Hero ---------- */
.hero {
  position: relative;
  padding: clamp(4rem, 9vw, 7rem) 0 clamp(4.5rem, 9vw, 7.5rem);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(55% 45% at 85% 8%, rgba(216, 182, 76, .12), transparent 62%),
    radial-gradient(45% 40% at 8% 92%, rgba(72, 128, 196, .14), transparent 60%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(70% 65% at 50% 35%, #000, transparent);
  mask-image: radial-gradient(70% 65% at 50% 35%, #000, transparent);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.1rem);
  text-transform: uppercase;
  letter-spacing: -.015em;
  line-height: 1.04;
}

.tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 600;
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  color: var(--gold);
  margin: 1.1rem 0 1.2rem;
}
.tagline::before { content: "•  "; }

.lead { color: var(--muted); font-size: 1.05rem; max-width: 34rem; }

.hero-cta { display: flex; flex-wrap: wrap; gap: .9rem; margin: 2rem 0 1.8rem; }

.hero-badges { display: flex; flex-wrap: wrap; gap: .6rem; }
.hero-badges li {
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--muted);
  border: 1px solid var(--border);
  background: rgba(34, 54, 78, .55);
  padding: .45rem .85rem;
  border-radius: 999px;
}
.hero-badges li::before { content: "• "; color: var(--gold); }

/* Hero artwork (pure CSS "transcript" mock) */
.hero-art { display: grid; place-items: center; }
.doc-stack { position: relative; width: min(420px, 100%); aspect-ratio: 4 / 3.4; }
.doc-back {
  position: absolute;
  inset: 9% -3% -5% 7%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  transform: rotate(3.5deg);
}
.doc-card {
  position: absolute;
  inset: 0 4% 0 0;
  background: linear-gradient(160deg, #fdfcf9, var(--paper));
  color: var(--paper-ink);
  border-radius: 16px;
  padding: 1.5rem 1.6rem;
  box-shadow: var(--shadow);
  transform: rotate(-1.6deg);
}
.doc-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1.1rem; }
.doc-title { font-size: .66rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: #4a5d75; }
.doc-seal {
  flex: none;
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, #eccb6d, var(--gold-strong));
  color: #1b2a41;
  font-weight: 900;
  font-size: .72rem;
}
.line { height: 10px; border-radius: 6px; background: rgba(35, 54, 78, .16); margin: .62rem 0; }
.stamp {
  position: absolute;
  right: 1.3rem;
  bottom: 1.1rem;
  border: 2px solid rgba(201, 165, 60, .6);
  color: rgba(160, 128, 40, .9);
  border-radius: 6px;
  padding: .3rem .6rem;
  font-size: .6rem;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
  transform: rotate(-7deg);
}
.chip {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(13, 25, 48, .92);
  border: 1px solid rgba(216, 182, 76, .4);
  border-radius: 999px;
  padding: .55rem .95rem;
  font-size: .8rem;
  font-weight: 600;
  color: var(--ink);
  box-shadow: 0 10px 26px rgba(4, 12, 24, .5);
  animation: float 6s ease-in-out infinite;
}
.chip svg { color: var(--gold); }
.chip-1 { top: -16px; left: -12px; }
.chip-2 { bottom: -18px; right: -4px; animation-delay: -3s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-9px); }
}

/* ---------- 6. Sections (shared) ---------- */
.section { padding: clamp(4rem, 8vw, 6.5rem) 0; }
.section-alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-head { max-width: 42rem; margin-bottom: clamp(2.2rem, 5vw, 3.2rem); }
.eyebrow {
  color: var(--gold);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .3em;
  text-transform: uppercase;
  margin-bottom: .8rem;
}
.section-head h2 { font-size: clamp(1.75rem, 3.6vw, 2.5rem); }
.section-sub { color: var(--muted); margin-top: .8rem; font-size: 1.02rem; }

.icon-box {
  flex: none;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--gold-soft);
  border: 1px solid rgba(216, 182, 76, .28);
  color: var(--gold);
}

/* ---------- 7. Services ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.1rem;
}
.service-item {
  display: flex;
  gap: 1.05rem;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem 1.4rem;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.service-item:hover {
  transform: translateY(-4px);
  border-color: rgba(216, 182, 76, .45);
  box-shadow: 0 14px 34px rgba(4, 12, 24, .4);
}
.service-item h3 { font-size: 1.03rem; font-weight: 700; }
.service-item p { color: var(--muted); font-size: .9rem; margin-top: .3rem; }
.service-item-wide { grid-column: 1 / -1; }

/* ---------- 8. Why us ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.1rem;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.7rem 1.5rem;
  transition: transform .2s ease, border-color .2s ease;
}
.feature-card:hover { transform: translateY(-4px); border-color: rgba(216, 182, 76, .45); }
.feature-card .icon-box { margin-bottom: 1.1rem; }
.feature-card h3 { font-size: 1.05rem; margin-bottom: .45rem; }
.feature-card p { color: var(--muted); font-size: .93rem; }

/* ---------- 9. Process ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.6rem;
  counter-reset: step;
}
.step { position: relative; }
.step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 23px;
  left: 60px;
  right: -1.2rem;
  height: 1px;
  background: linear-gradient(90deg, rgba(216, 182, 76, .45), transparent);
}
.step-num {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  border: 1px solid rgba(216, 182, 76, .5);
  background: var(--gold-soft);
  color: var(--gold);
  font-weight: 800;
  font-family: var(--font-mono);
  margin-bottom: 1.1rem;
}
.step h3 { font-size: 1.03rem; margin-bottom: .45rem; }
.step p { color: var(--muted); font-size: .92rem; }

/* ---------- 10. Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: clamp(1.6rem, 4vw, 3rem);
  align-items: start;
}
.contact-list { display: grid; gap: .9rem; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.05rem 1.2rem;
}
.contact-item .icon-box { width: 42px; height: 42px; }
.contact-label {
  display: block;
  font-size: .66rem;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: .15rem;
}
.contact-item a, .contact-item strong { font-weight: 700; font-size: .98rem; }
.contact-item a:hover { color: var(--gold); }
.contact-note { color: var(--muted); font-size: .85rem; }
.copy-btn {
  margin-left: auto;
  flex: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--muted);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .4rem .6rem;
  transition: color .18s ease, border-color .18s ease;
}
.copy-btn:hover { color: var(--gold); border-color: rgba(216, 182, 76, .5); }

.quote-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(1.4rem, 3.5vw, 2.2rem);
  display: grid;
  gap: 1.05rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.05rem; }
.form-field { display: grid; gap: .45rem; }
.form-field label { font-size: .82rem; font-weight: 700; letter-spacing: .04em; }
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--ink);
  font: inherit;
  font-size: .95rem;
  padding: .8rem .95rem;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.form-field textarea { resize: vertical; min-height: 120px; }
.form-field ::placeholder { color: #6d7f95; }
.form-field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--gold) 50%), linear-gradient(135deg, var(--gold) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%; background-size: 6px 6px; background-repeat: no-repeat; }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(216, 182, 76, .22);
}
.form-status { min-height: 1.3em; font-size: .9rem; font-weight: 600; color: var(--gold); }
.form-hint { font-size: .8rem; color: var(--muted); }

/* ---------- 11. Footer ---------- */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--border);
  padding: clamp(3rem, 6vw, 4.5rem) 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
}
.footer-blurb { color: var(--muted); font-size: .92rem; margin-top: 1.1rem; max-width: 24rem; }
.footer-title {
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}
.footer-links { display: grid; gap: .55rem; }
.footer-links a { color: var(--muted); font-size: .93rem; transition: color .18s ease; }
.footer-links a:hover { color: var(--gold); }

.footer-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 600;
  text-align: center;
  color: var(--gold);
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  border-top: 1px solid var(--border);
  padding: 2rem 0 1.6rem;
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .6rem;
  color: var(--muted);
  font-size: .8rem;
}
.reg-no-inline { font-family: var(--font-mono); letter-spacing: .05em; }

/* ---------- 12. Reveal-on-scroll ---------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
.service-grid .reveal:nth-child(2n), .feature-grid .reveal:nth-child(2n), .steps .reveal:nth-child(2n) { transition-delay: .08s; }
.service-grid .reveal:nth-child(3n), .steps .reveal:nth-child(3n) { transition-delay: .16s; }
.steps .reveal:nth-child(4n) { transition-delay: .24s; }

/* ---------- 13. Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { order: -1; margin-bottom: 1rem; }
  .doc-stack { width: min(360px, 88%); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .step:not(:last-child)::after { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .reg-no { display: none; }

  .nav-toggle { display: flex; }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin: 0;
    background: var(--bg-deep);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 24px 40px rgba(4, 12, 24, .55);
    display: none;
  }
  body.nav-open .site-nav { display: block; animation: navIn .22s ease; }
  .site-nav ul { flex-direction: column; align-items: stretch; gap: 0; padding: 1rem 1.5rem 1.6rem; }
  .site-nav li { border-bottom: 1px solid var(--border); }
  .site-nav li:last-child { border-bottom: 0; padding-top: 1rem; }
  .site-nav a:not(.btn) { display: block; padding: .95rem .2rem; border-bottom: 0; font-size: 1.02rem; }
  .site-nav .btn { width: 100%; }
}

@keyframes navIn {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: none; }
}

@media (max-width: 720px) {
  .service-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
}

@media (max-width: 480px) {
  .steps { grid-template-columns: 1fr; }
  .hero-cta .btn { width: 100%; }
  .chip-1 { left: -4px; }
  .chip-2 { right: 0; }
}

/* ---------- 14. Reduced motion & print ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header, .hero-art, .quote-form, .nav-toggle { display: none !important; }
  body { background: #fff; color: #000; }
}