/* ==========================================================================
   DigiCrown — design system
   ========================================================================== */

:root {
  --white: #FFFFFF;
  --ink: #14142B;
  --ink-soft: #2A2A45;
  --gold: #C9A227;
  --gold-bright: #E3BE4C;
  --gray-050: #FAFAFB;
  --gray-100: #F3F3F6;
  --gray-200: #E4E4EA;
  --gray-400: #9A9AA8;
  --gray-600: #5F5F72;
  --gray-800: #33334A;
  --serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --max-width: 1180px;
  --reading-width: 700px;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(20, 20, 43, .05), 0 8px 24px rgba(20, 20, 43, .06);
}

*, *::before, *::after { box-sizing: border-box; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
}

a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 .5em;
  letter-spacing: -.01em;
}
h1 { font-size: clamp(2.25rem, 5.5vw, 3.75rem); }
h2 { font-size: clamp(1.75rem, 3.6vw, 2.5rem); }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.05rem; font-family: var(--sans); font-weight: 700; letter-spacing: .01em; }
p  { margin: 0 0 1.1em; }

.section-label {
  font-family: var(--sans);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 .9em;
}

.lede { font-size: 1.15rem; color: var(--gray-600); max-width: var(--reading-width); }

/* --- Layout --- */
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 5.5rem 0; }
.section--tight { padding: 3.5rem 0; }
.section--gray { background: var(--gray-050); }

/* --- Buttons --- */
.btn {
  display: inline-block;
  font-family: var(--sans);
  font-size: .95rem;
  font-weight: 600;
  padding: .85em 1.9em;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.btn--accent { background: var(--gold); color: var(--ink); }
.btn--accent:hover { background: var(--gold-bright); }
.btn--ghost { border-color: var(--gray-200); color: var(--ink); background: transparent; }
.btn--ghost:hover { border-color: var(--ink); }
.btn--on-dark { border-color: rgba(255,255,255,.35); color: var(--white); background: transparent; }
.btn--on-dark:hover { border-color: var(--white); background: rgba(255,255,255,.08); }

/* --- Header --- */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--gray-200);
}
.header__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; min-height: 72px;
}
.logo { display: flex; align-items: center; gap: .55rem; font-family: var(--serif); font-size: 1.3rem; font-weight: 700; }
.logo svg { width: 26px; height: 26px; flex: none; }
.logo span em { font-style: normal; color: var(--gold); }

.nav { display: flex; align-items: center; gap: 2rem; }
.nav__links { display: flex; gap: 1.75rem; list-style: none; margin: 0; padding: 0; }
.nav__links a { font-size: .95rem; font-weight: 500; color: var(--gray-800); padding-bottom: 2px; border-bottom: 2px solid transparent; }
.nav__links a:hover { color: var(--ink); }
.nav__links a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--gold); }

.nav-toggle {
  display: none; background: none; border: 1px solid var(--gray-200);
  border-radius: 8px; padding: .5rem .7rem; cursor: pointer; font-size: 1rem; line-height: 1;
}

/* --- Hero --- */
.hero {
  background: linear-gradient(160deg, var(--ink) 0%, #1E1E3C 55%, #262647 100%);
  color: var(--white);
  padding: 6.5rem 0 6rem;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; inset: auto -10% -55% auto;
  width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(circle, rgba(201,162,39,.20) 0%, transparent 68%);
  pointer-events: none;
}
.hero__inner { max-width: 780px; position: relative; z-index: 1; }
.hero h1 { color: var(--white); }
.hero h1 em { font-style: normal; color: var(--gold-bright); }
.hero p { font-size: 1.2rem; color: rgba(255,255,255,.78); max-width: 620px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2rem; }

/* --- Grids & cards --- */
.grid { display: grid; gap: 1.5rem; }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease;
}
.card:hover { box-shadow: var(--shadow); transform: translateY(-2px); border-color: var(--gray-400); }
.card h3 { margin-bottom: .4em; }
.card p { color: var(--gray-600); margin-bottom: 0; font-size: .97rem; }
.card__icon {
  width: 44px; height: 44px; border-radius: 9px;
  background: rgba(201,162,39,.13); color: var(--gold);
  display: grid; place-items: center; margin-bottom: 1.15rem;
}
.card__icon svg { width: 22px; height: 22px; }

/* --- Steps --- */
.steps { counter-reset: step; list-style: none; margin: 0; padding: 0; display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.steps li { counter-increment: step; padding-top: 1.25rem; border-top: 2px solid var(--gray-200); }
.steps li::before {
  content: "0" counter(step);
  display: block; font-family: var(--serif); font-size: 1.6rem; color: var(--gold); margin-bottom: .35rem;
}
.steps h4 { margin-bottom: .3em; }
.steps p { color: var(--gray-600); font-size: .95rem; margin: 0; }

/* --- Stats --- */
.stats { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.stat__num { font-family: var(--serif); font-size: 2.6rem; color: var(--ink); line-height: 1; }
.stat__label { font-size: .9rem; color: var(--gray-600); margin-top: .4rem; }

/* --- Split --- */
.split { display: grid; gap: 3.5rem; grid-template-columns: 1fr 1fr; align-items: start; }
.split__aside .sidebar-block { padding: 1.25rem 0; border-top: 1px solid var(--gray-200); }
.split__aside .sidebar-block:first-child { border-top: 0; padding-top: 0; }
.split__aside h4 { margin-bottom: .25em; }
.split__aside p { color: var(--gray-600); font-size: .95rem; margin: 0; }

/* --- CTA banner --- */
.cta-banner { background: var(--ink); color: var(--white); padding: 4.5rem 0; text-align: center; }
.cta-banner h2 { color: var(--white); }
.cta-banner p { color: rgba(255,255,255,.75); max-width: 560px; margin: 0 auto 1.8rem; }

/* --- Forms --- */
.form-group { margin-bottom: 1.15rem; }
.form-group label { display: block; font-size: .88rem; font-weight: 600; margin-bottom: .4rem; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  font-family: var(--sans);
  font-size: 1rem;
  color: var(--ink);
  padding: .75rem .9rem;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  background: var(--white);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,162,39,.18);
}
.form-row { display: grid; gap: 1.15rem; grid-template-columns: 1fr 1fr; }

.honeypot { position: absolute !important; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.form-status { font-size: .93rem; margin: 1rem 0 0; min-height: 1.3em; }
.form-status.success { color: #1B7A4C; }
.form-status.error { color: #C0392B; }

.form-note { font-size: .82rem; color: var(--gray-400); margin-top: .9rem; }

/* --- Footer --- */
.footer { background: var(--gray-050); border-top: 1px solid var(--gray-200); padding: 3rem 0 2rem; }
.footer__inner { display: flex; flex-wrap: wrap; gap: 1.5rem; justify-content: space-between; align-items: center; }
.footer__links { display: flex; flex-wrap: wrap; gap: 1.5rem; list-style: none; margin: 0; padding: 0; }
.footer__links a { font-size: .92rem; color: var(--gray-600); }
.footer__links a:hover { color: var(--ink); }
.footer__legal { font-size: .85rem; color: var(--gray-400); margin: 1.75rem 0 0; }

/* --- Page hero (interior) --- */
.page-hero { padding: 4.5rem 0 2.5rem; border-bottom: 1px solid var(--gray-200); }
.page-hero h1 { margin-bottom: .35em; }

/* --- Prose --- */
.prose { max-width: var(--reading-width); }
.prose h2 { margin-top: 2.2em; }
.prose h2:first-child { margin-top: 0; }
.prose ul { padding-left: 1.2rem; color: var(--gray-600); }
.prose li { margin-bottom: .5em; }

/* --- Responsive --- */
@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 720px) {
  .section { padding: 4rem 0; }
  .hero { padding: 4.5rem 0 4rem; }
  .form-row { grid-template-columns: 1fr; }
  .nav-toggle { display: block; }
  .nav {
    display: none; position: absolute; top: 72px; left: 0; right: 0;
    background: var(--white); border-bottom: 1px solid var(--gray-200);
    padding: 1rem 1.5rem 1.5rem; flex-direction: column; align-items: stretch; gap: 1rem;
  }
  .nav.is-open { display: flex; }
  .nav__links { flex-direction: column; gap: 1rem; }
  .footer__inner { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}