/* Noklok / Hammurabi — static site styles */

:root {
  --ink:            #0F1B2D;
  --ink-soft:       #24405F;
  --ink-mute:       #4A5F79;
  --line:           #E1E7EF;
  --line-soft:      #EEF2F7;
  --paper:          #FFFFFF;
  --paper-soft:     #F6F8FB;
  --paper-deep:     #EDF1F7;
  --gold:           #B08A3E;
  --gold-soft:      #FDF6E8;
  --gold-line:      #E7D9B8;
  --dark:           #0B1524;

  --radius:         14px;
  --radius-sm:      10px;
  --radius-lg:      22px;

  --shadow-sm:      0 1px 2px rgba(15, 27, 45, .06), 0 4px 14px rgba(15, 27, 45, .05);
  --shadow-md:      0 2px 6px rgba(15, 27, 45, .07), 0 18px 40px rgba(15, 27, 45, .09);

  --font-sans: "Inter", "Helvetica Neue", "PingFang SC", "Hiragino Sans GB",
               "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, sans-serif;
  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia,
                "Songti SC", "Source Han Serif SC", "Noto Serif CJK SC", serif;

  --wrap: 1160px;
  --gutter: 24px;
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-soft);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

h1, h2, h3, h4 { color: var(--ink); line-height: 1.28; margin: 0 0 .5em; font-weight: 650; }
h1, h2 { font-family: var(--font-serif); font-weight: 600; }
h1 { letter-spacing: -.01em; }
p { margin: 0 0 1em; }
a { color: var(--ink-soft); text-decoration-color: var(--gold); text-underline-offset: 3px; }
a:hover { color: var(--gold); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { margin: 0; padding: 0; }
button { font: inherit; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--ink); color: #fff; padding: 10px 16px;
  border-radius: var(--radius-sm); transition: top .18s ease;
}
.skip-link:focus { top: 12px; color: #fff; }

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

.container { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.container.narrow { max-width: 800px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .9);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line-soft);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; min-height: 72px;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark { width: 34px; height: 34px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-weight: 700; font-size: 1.0625rem; color: var(--ink); letter-spacing: .01em; }
.brand-tag { font-size: .6875rem; letter-spacing: .07em; text-transform: uppercase; color: var(--ink-mute); }

.site-nav ul { display: flex; align-items: center; gap: 4px; list-style: none; }
.site-nav a {
  display: inline-block; padding: 8px 14px; border-radius: 999px;
  font-size: .9375rem; text-decoration: none; color: var(--ink-mute);
  transition: background .16s ease, color .16s ease;
}
.site-nav a:hover { background: var(--paper-deep); color: var(--ink); }
.site-nav a[aria-current="page"] { color: var(--ink); font-weight: 600; }
.site-nav .nav-cta { margin-left: 8px; background: var(--ink); color: #fff; font-weight: 600; }
.site-nav .nav-cta:hover { background: var(--ink-soft); color: #fff; }

.nav-toggle {
  display: none; width: 42px; height: 42px; border: 1px solid var(--line);
  border-radius: 10px; background: #fff; cursor: pointer; padding: 10px;
}
.nav-toggle-bar { display: block; height: 2px; background: var(--ink); border-radius: 2px; }
.nav-toggle-bar + .nav-toggle-bar { margin-top: 5px; }

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute; left: 0; right: 0; top: 100%;
    background: #fff; border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md); padding: 10px var(--gutter) 18px;
    display: none;
  }
  .site-nav.is-open { display: block; }
  .site-nav ul { flex-direction: column; align-items: stretch; gap: 2px; }
  .site-nav a { padding: 12px 14px; border-radius: 10px; }
  .site-nav .nav-cta { margin: 8px 0 0; text-align: center; }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 12px 24px; border-radius: 999px;
  font-size: .9688rem; font-weight: 600; text-decoration: none;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .16s ease, background .16s ease, box-shadow .16s ease, color .16s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--ink); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--ink-soft); color: #fff; }
.btn-ghost { background: #fff; border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--gold); color: var(--ink); }
.btn-ghost-light { background: transparent; border-color: rgba(255,255,255,.34); color: #EAF0F7; }
.btn-ghost-light:hover { border-color: var(--gold-line); color: #fff; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 0; }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; padding: 72px 0 0; }
.hero::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 620px;
  background:
    radial-gradient(900px 380px at 82% -8%, rgba(176, 138, 62, .14), transparent 68%),
    radial-gradient(760px 340px at 6% 4%, rgba(36, 64, 95, .10), transparent 70%),
    linear-gradient(180deg, #FBFCFE 0%, #FFFFFF 78%);
  z-index: -1;
}
.hero-grid {
  display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
  gap: 56px; align-items: center;
}
.eyebrow {
  font-size: .75rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase;
  color: var(--gold); margin: 0 0 14px;
}
.eyebrow-light { color: var(--gold-line); }
.hero h1 { font-size: clamp(2.6rem, 5.2vw, 3.9rem); margin-bottom: .35em; }
.h1-sub {
  display: block; font-family: var(--font-sans); font-size: clamp(1.0625rem, 2vw, 1.375rem);
  font-weight: 600; letter-spacing: .01em; color: var(--ink-mute); margin-top: .55em;
}
.lead { font-size: 1.0938rem; color: var(--ink-mute); max-width: 46ch; }
.hero-note {
  font-size: .875rem; color: var(--ink-mute); margin: 22px 0 0;
  padding-left: 14px; border-left: 2px solid var(--gold-line);
}
.hero-visual { margin: 0; }
.hero-visual img {
  width: 100%; border-radius: var(--radius-lg); border: 1px solid var(--line);
  box-shadow: var(--shadow-md); background: #fff;
}
.figure-caption { font-size: .8125rem; color: var(--ink-mute); margin: 12px 0 0; text-align: center; }

.stat-strip { margin-top: 64px; }
.stat-strip dl {
  display: grid; grid-template-columns: repeat(4, 1fr); margin: 0;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.stat-strip dl > div { padding: 24px 8px; text-align: center; }
.stat-strip dl > div + div { border-left: 1px solid var(--line-soft); }
.stat-strip dt { font-family: var(--font-serif); font-size: 1.75rem; color: var(--ink); font-weight: 600; }
.stat-strip dd { margin: 4px 0 0; font-size: .875rem; color: var(--ink-mute); }

@media (max-width: 980px) {
  .hero { padding-top: 48px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .lead { max-width: none; }
  .stat-strip { margin-top: 44px; }
  .stat-strip dl { grid-template-columns: repeat(2, 1fr); }
  .stat-strip dl > div:nth-child(odd) { border-left: 0; }
  .stat-strip dl > div:nth-child(n+3) { border-top: 1px solid var(--line-soft); }
}

/* ---------- sections ---------- */
.section { padding: 88px 0; }
.section-alt {
  background: var(--paper-soft);
  border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft);
}
.section-dark { background: var(--dark); color: #C3D0DE; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark a { color: #EAF0F7; }

.section-head { max-width: 68ch; margin-bottom: 44px; }
.section-head h2 { font-size: clamp(1.75rem, 3.4vw, 2.375rem); }
.section-head p { color: var(--ink-mute); margin: 0; font-size: 1.0313rem; }
.section-head-left { max-width: none; }
.section-dark .section-head p { color: #A9B8C9; }

/* ---------- cards & products ---------- */
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.product-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.product-card { overflow: hidden; display: flex; flex-direction: column; }
.card-visual { background: var(--paper-soft); border-bottom: 1px solid var(--line-soft); }
.card-visual img { width: 100%; }
.card-body { padding: 26px 28px 30px; }
.card-body h3 { font-size: 1.1875rem; margin-bottom: .45em; }
.card-body > p { color: var(--ink-mute); font-size: .9688rem; margin-bottom: 0; }

.ticks { list-style: none; display: flex; flex-direction: column; gap: 8px; margin-top: 18px; }
.ticks li { position: relative; padding-left: 24px; font-size: .9375rem; }
.ticks li::before {
  content: ""; position: absolute; left: 3px; top: .62em;
  width: 9px; height: 9px; border-radius: 2px;
  background: var(--gold-soft); border: 1.5px solid var(--gold);
}
.ticks-light li::before { background: rgba(176,138,62,.24); border-color: var(--gold-line); }
.ticks-light li { color: #D5DFEA; }
.steps-dark { margin-top: 26px; }

@media (max-width: 860px) { .product-grid { grid-template-columns: 1fr; } }

/* ---------- feature grid ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; }
.feature { padding: 32px 40px 32px 0; border-top: 1px solid var(--line); }
.feature-grid .feature:nth-child(even) { padding-left: 40px; border-left: 1px solid var(--line); }
.feature-icon { width: 48px; height: 48px; margin-bottom: 18px; }
.feature h3 { font-size: 1.125rem; margin-bottom: .45em; }
.feature p { color: var(--ink-mute); font-size: .9688rem; margin-bottom: .6em; }
.feature-meta { font-size: .8125rem; color: var(--gold); letter-spacing: .02em; margin: 0; }

@media (max-width: 860px) {
  .feature-grid { grid-template-columns: 1fr; }
  .feature, .feature-grid .feature:nth-child(even) { padding: 26px 0; border-left: 0; }
}

/* ---------- steps ---------- */
.steps { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.steps li { position: relative; padding: 34px 26px 0 0; }
.steps li::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--line);
}
.steps li::after {
  content: ""; position: absolute; top: -4px; left: 0; width: 10px; height: 10px;
  border-radius: 50%; background: var(--gold);
}
.steps li + li { padding-left: 26px; }
.step-index {
  display: block; font-family: var(--font-serif); font-size: 1.375rem; color: var(--gold);
  margin-bottom: 10px;
}
.steps h3 { font-size: 1.0625rem; margin-bottom: .4em; }
.steps p { font-size: .9375rem; color: var(--ink-mute); margin: 0; }

@media (max-width: 900px) {
  .steps { grid-template-columns: 1fr; }
  .steps li, .steps li + li { padding: 22px 0 22px 30px; }
  .steps li::before { top: 0; bottom: 0; left: 0; right: auto; width: 2px; height: auto; }
  .steps li::after { top: 30px; }
  .steps li:last-child::before { bottom: 50%; }
}

.disclaimer {
  margin: 48px 0 0; padding: 22px 26px; font-size: .9375rem;
  background: var(--gold-soft); border: 1px solid var(--gold-line);
  border-radius: var(--radius); color: var(--ink-soft);
}
.disclaimer strong { color: var(--ink); }

/* ---------- cooperation / contact ---------- */
.access-grid {
  display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .85fr);
  gap: 56px; align-items: start;
}
.access-grid h2 { font-size: clamp(1.75rem, 3.4vw, 2.375rem); margin-bottom: .5em; }
.access-grid > div > p { color: #A9B8C9; }

.panel {
  background: rgba(255,255,255,.045);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius); padding: 30px 30px 26px;
}
.panel h3 { font-size: 1.0625rem; margin-bottom: .8em; }
.contact-mail { font-size: 1.25rem; font-family: var(--font-serif); margin: 0 0 22px; }
.contact-mail a { color: var(--gold-line); text-decoration: none; }
.contact-mail a:hover { color: #fff; }

.contact-list { margin: 0; display: flex; flex-direction: column; }
.contact-list > div {
  padding: 12px 0; border-top: 1px solid rgba(255,255,255,.1);
}
.contact-list dt { font-size: .8125rem; letter-spacing: .06em; text-transform: uppercase; color: #8FA2B7; }
.contact-list dd { margin: 4px 0 0; font-size: .9375rem; color: #E2E9F1; }

@media (max-width: 940px) {
  .access-grid { grid-template-columns: 1fr; gap: 36px; }
}

/* ---------- page hero (team) ---------- */
.page-hero {
  position: relative;
  padding: 68px 0 76px;
  background: linear-gradient(180deg, #FBFCFE 0%, #FFFFFF 100%);
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(820px 320px at 88% 0%, rgba(176,138,62,.15), transparent 70%);
  z-index: 0;
}
.page-hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .95fr);
  gap: 52px; align-items: center;
}
.page-hero h1 { font-size: clamp(2.1rem, 4.2vw, 3rem); margin-bottom: .4em; }
.page-hero-art { width: 100%; }
@media (max-width: 940px) {
  .page-hero { padding: 48px 0 56px; }
  .page-hero-inner { grid-template-columns: 1fr; gap: 36px; }
  .page-hero-art { max-width: 460px; }
}

/* ---------- prose ---------- */
.prose p { font-size: 1.0625rem; color: var(--ink-soft); }
.prose p + p { margin-top: 1.1em; }

/* ---------- discipline & principles ---------- */
.discipline-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.discipline-card { padding: 30px 28px; }
.discipline-card img { width: 40px; height: 40px; margin-bottom: 16px; }
.discipline-card h3 { font-size: 1.0625rem; }
.discipline-card p { font-size: .9375rem; color: var(--ink-mute); margin: 0; }

.principle-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 48px; }
.principle { padding: 28px 0; border-top: 1px solid var(--line); }
.principle-index { font-family: var(--font-serif); color: var(--gold); font-size: 1.125rem; }
.principle h3 { font-size: 1.0625rem; margin: .5em 0 .4em; }
.principle p { font-size: .9375rem; color: var(--ink-mute); margin: 0; }

@media (max-width: 860px) {
  .discipline-grid { grid-template-columns: 1fr; }
  .principle-grid { grid-template-columns: 1fr; gap: 0; }
}

/* ---------- footer ---------- */
.site-footer {
  background: var(--paper-soft);
  border-top: 1px solid var(--line);
  padding: 48px 0 40px;
  font-size: .9375rem;
}
.footer-inner { display: flex; flex-direction: column; gap: 20px; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand img { width: 28px; height: 28px; }
.footer-name { margin: 0; font-weight: 700; color: var(--ink); }
.footer-desc { margin: 2px 0 0; font-size: .875rem; color: var(--ink-mute); }
.footer-nav { display: flex; flex-wrap: wrap; gap: 10px 24px; }
.footer-nav a { font-size: .9375rem; color: var(--ink-mute); text-decoration: none; }
.footer-nav a:hover { color: var(--gold); text-decoration: underline; }
.footer-legal { margin: 0; font-size: .8125rem; color: var(--ink-mute); max-width: 80ch; }

@media (min-width: 860px) {
  .footer-inner { flex-direction: row; flex-wrap: wrap; align-items: center; justify-content: space-between; }
  .footer-legal { flex-basis: 100%; }
}

/* ---------- small screens ---------- */
@media (max-width: 620px) {
  :root { --gutter: 20px; }
  .section { padding: 64px 0; }
  .hero h1 { font-size: 2.25rem; }
  .brand-tag { display: none; }
  .card-body { padding: 22px 20px 26px; }
  .panel { padding: 24px 22px; }
  .contact-mail { font-size: 1.0625rem; }
  .btn { width: 100%; }
  .hero-actions { flex-direction: column; align-items: stretch; }
}