/*
  Synnax Tech — Global Stylesheet
  Path: assets/css/styles.css

  Global only: tokens, reset, typography, shared layout, navbar, footer,
  buttons, cards, forms, and responsive foundations.
*/

:root {
  --color-background: #fbf9f1;
  --color-paper: #f0eee6;
  --color-paper-soft: #f6f4ec;
  --color-parchment: #e6e1d3;
  --color-parchment-strong: #dcdad2;
  --color-ink: #141413;
  --color-ink-soft: #30312c;
  --color-text: #1b1c17;
  --color-muted: #464742;
  --color-border: #c7c7c0;
  --color-border-soft: rgba(20, 20, 19, 0.12);
  --color-footer: #111210;
  --color-footer-text: #f3f1e9;
  --color-footer-muted: rgba(243, 241, 233, 0.72);
  --color-accent: #d97757;
  --color-accent-strong: #99462a;
  --color-white: #ffffff;
  --font-serif: "Source Serif 4", Georgia, serif;
  --font-sans: "Hanken Grotesk", Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --text-xs: clamp(0.75rem, 0.72rem + 0.1vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.84rem + 0.12vw, 0.9375rem);
  --text-md: clamp(1rem, 0.96rem + 0.14vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1.04rem + 0.28vw, 1.25rem);
  --text-xl: clamp(1.5rem, 1.25rem + 0.9vw, 2rem);
  --text-2xl: clamp(2rem, 1.55rem + 1.6vw, 3rem);
  --text-display: clamp(2.625rem, 1.55rem + 4vw, 4rem);
  --container-max: 1280px;
  --container-pad: clamp(1rem, 3.5vw, 4rem);
  --section-sm: clamp(2.5rem, 5vw, 4rem);
  --section-md: clamp(4rem, 7vw, 5rem);
  --section-lg: clamp(5rem, 10vw, 7rem);
  --section-xl: clamp(6rem, 12vw, 9rem);
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-pill: 999px;
  --transition-fast: 160ms ease;
  --transition-base: 240ms ease;
  --header-height: 76px;
}

* { box-sizing: border-box; }
*::before, *::after { box-sizing: border-box; }
html { min-height: 100%; scroll-behavior: smooth; text-size-adjust: 100%; }
body {
  min-height: 100%;
  margin: 0;
  background:
    radial-gradient(circle at 6% -6%, rgba(217, 119, 87, 0.12), transparent 30rem),
    linear-gradient(180deg, var(--color-background), var(--color-paper));
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--text-md);
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.nav-open { overflow: hidden; }
img, picture, svg, video, canvas { display: block; max-width: 100%; }
img { height: auto; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--color-accent-strong); }
p, h1, h2, h3, h4, h5, h6, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; }
::selection { background: var(--color-ink); color: var(--color-paper); }
:focus-visible { outline: 2px solid var(--color-ink); outline-offset: 4px; }

.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: fixed; z-index: 9999; top: 1rem; left: 1rem; transform: translateY(-180%);
  background: var(--color-ink); color: var(--color-paper); padding: .75rem 1rem;
  border-radius: var(--radius-sm); font-family: var(--font-mono); font-size: var(--text-xs);
  text-transform: uppercase; letter-spacing: .05em; transition: transform var(--transition-fast);
}
.skip-link:focus { transform: translateY(0); }

.container { width: min(100% - (var(--container-pad) * 2), var(--container-max)); margin-inline: auto; }
.section-sm { padding-block: var(--section-sm); }
.section-md { padding-block: var(--section-md); }
.section-lg { padding-block: var(--section-lg); }
.section-xl { padding-block: var(--section-xl); }
.border-top { border-top: 1px solid var(--color-border-soft); }
.border-bottom { border-bottom: 1px solid var(--color-border-soft); }
.surface-muted { background: var(--color-paper); }
.surface-parchment { background: var(--color-parchment); }

.eyebrow {
  color: var(--color-accent-strong); font-family: var(--font-mono); font-size: var(--text-xs);
  font-weight: 600; letter-spacing: .08em; line-height: 1.35; text-transform: uppercase;
}
.eyebrow-light { color: var(--color-accent); }
h1, h2, h3, h4 { color: var(--color-ink); font-family: var(--font-serif); font-weight: 600; letter-spacing: -.02em; line-height: 1.08; }
h1 { max-width: 980px; font-size: var(--text-display); }
h2 { max-width: 900px; font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
p { color: var(--color-muted); }
.lead, .hero-lead { max-width: 760px; font-size: var(--text-lg); line-height: 1.55; }
.section-heading { display: grid; gap: 1rem; margin-bottom: clamp(2rem, 5vw, 4rem); }
.section-heading.wide-heading { max-width: 860px; }
.editorial-split { display: grid; grid-template-columns: minmax(160px, .32fr) minmax(0, 1fr); gap: clamp(2rem, 6vw, 6rem); align-items: start; }
.editorial-split > div { display: grid; gap: 1.25rem; }
.editorial-split p:not(.eyebrow) { max-width: 780px; font-size: var(--text-lg); }

.site-header {
  position: sticky; z-index: 1000; top: 0;
  background: rgba(251, 249, 241, .88); border-bottom: 1px solid var(--color-border-soft);
  backdrop-filter: blur(18px);
}
.nav-shell { min-height: var(--header-height); display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .75rem; color: var(--color-ink); font-weight: 700; line-height: 1; }
.brand:hover { color: var(--color-ink); }
.brand-mark {
  width: 2.25rem; height: 2.25rem; display: inline-grid; place-items: center;
  background: var(--color-ink); color: var(--color-paper); border-radius: var(--radius-sm);
  font-family: var(--font-serif); font-size: 1.25rem; font-weight: 700; letter-spacing: -.04em;
}
.brand-text { font-size: 1rem; letter-spacing: -.01em; white-space: nowrap; }
.primary-nav { display: flex; align-items: center; gap: clamp(1.25rem, 3vw, 2.25rem); }
.primary-nav a {
  position: relative; color: var(--color-muted); font-size: .975rem; font-weight: 500; line-height: 1;
  transition: color var(--transition-fast);
}
.primary-nav a::after {
  content: ""; position: absolute; right: 0; bottom: -.55rem; left: 0; height: 1px;
  transform: scaleX(0); transform-origin: center; background: var(--color-ink); transition: transform var(--transition-fast);
}
.primary-nav a:hover, .primary-nav a[aria-current="page"] { color: var(--color-ink); }
.primary-nav a:hover::after, .primary-nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav-toggle {
  display: none; width: 2.75rem; height: 2.75rem; border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-sm); background: transparent; color: var(--color-ink); padding: 0;
}
.nav-toggle-line { width: 1.25rem; height: 1.5px; display: block; margin: .28rem auto; background: currentColor; transition: transform var(--transition-fast), opacity var(--transition-fast); }
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-of-type(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-of-type(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-of-type(3) { transform: translateY(-6px) rotate(-45deg); }

.button {
  min-height: 2.875rem; display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  border: 1px solid transparent; border-radius: var(--radius-sm); padding: .8rem 1.05rem;
  font-size: .95rem; font-weight: 600; line-height: 1;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}
.button:hover { transform: translateY(-1px); }
.button-primary { background: var(--color-ink); color: var(--color-paper); border-color: var(--color-ink); }
.button-primary:hover { background: var(--color-accent-strong); color: var(--color-white); border-color: var(--color-accent-strong); }
.button-secondary { background: transparent; color: var(--color-ink); border-color: var(--color-ink); }
.button-secondary:hover { background: var(--color-ink); color: var(--color-paper); }
.button-tertiary { min-height: auto; padding: 0; border: 0; background: transparent; color: var(--color-accent-strong); text-decoration: underline; text-underline-offset: .28em; }

.card-grid { display: grid; gap: 1rem; }
.two-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.three-cols { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.four-cols { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.capability-card, .info-card, .feature-card {
  min-height: 100%; display: grid; align-content: start; gap: 1rem;
  background: var(--color-background); border: 1px solid var(--color-border-soft); border-radius: var(--radius-sm);
  padding: clamp(1.25rem, 3vw, 2rem);
}
.capability-card h3, .info-card h3, .feature-card h3, .info-card h2, .feature-card h2 { font-size: clamp(1.25rem, 1.05rem + .55vw, 1.6rem); }
.capability-card p, .info-card p, .feature-card p { max-width: 36rem; }
.capability-card a, .info-card a, .feature-card a { width: fit-content; margin-top: .4rem; color: var(--color-accent-strong); font-weight: 600; text-decoration: underline; text-underline-offset: .26em; }
.card-index, .step-index, .meta-chip {
  width: fit-content; display: inline-flex; align-items: center; border-radius: var(--radius-pill);
  background: rgba(20, 20, 19, .06); color: var(--color-ink); font-family: var(--font-mono);
  font-size: var(--text-xs); font-weight: 600; letter-spacing: .06em; line-height: 1;
  padding: .45rem .6rem; text-transform: uppercase;
}
.feature-list { display: grid; gap: .75rem; list-style: none; }
.feature-list li { position: relative; color: var(--color-muted); padding-left: 1.25rem; }
.feature-list li::before { content: ""; position: absolute; left: 0; top: .72em; width: .38rem; height: .38rem; border-radius: 50%; background: var(--color-accent); transform: translateY(-50%); }
.feature-list.compact { gap: .55rem; }

.page-hero { background: var(--color-background); }
.page-hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr); gap: clamp(2rem, 7vw, 6rem); align-items: end; }

.final-panel-section { background: var(--color-background); }
.final-panel {
  display: flex; align-items: center; justify-content: space-between; gap: 2rem;
  background: var(--color-parchment); border: 1px solid var(--color-border-soft); border-radius: var(--radius-sm);
  padding: clamp(1.25rem, 4vw, 2.5rem);
}
.final-panel > div { display: grid; gap: .75rem; }
.final-panel h2 { max-width: 720px; font-size: clamp(1.8rem, 1.35rem + 1.4vw, 2.65rem); }

.ink-section { background: var(--color-ink); color: var(--color-footer-text); }
.ink-section h1, .ink-section h2, .ink-section h3 { color: var(--color-footer-text); }
.ink-section p, .ink-section a { color: var(--color-footer-muted); }

.form-grid { display: grid; gap: 1rem; }
.form-field { display: grid; gap: .45rem; }
.form-field label { color: var(--color-ink); font-size: var(--text-sm); font-weight: 600; }
.form-field input, .form-field textarea, .form-field select {
  width: 100%; border: 1px solid var(--color-border-soft); border-radius: var(--radius-sm);
  background: var(--color-parchment); color: var(--color-ink); padding: .9rem 1rem;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}
.form-field textarea { min-height: 10rem; resize: vertical; }
.form-field input:focus, .form-field textarea:focus, .form-field select:focus { border-color: var(--color-ink); background: var(--color-paper-soft); outline: none; }

.site-footer { background: var(--color-footer); color: var(--color-footer-text); padding-block: clamp(4rem, 8vw, 6.5rem); }
.footer-grid { display: grid; grid-template-columns: minmax(220px, 1.25fr) repeat(4, minmax(130px, .75fr)); gap: clamp(2.25rem, 5vw, 5rem); align-items: start; }
.footer-brand-block { display: grid; gap: 1.35rem; max-width: 360px; }
.footer-brand { display: inline-flex; align-items: center; gap: .8rem; width: fit-content; color: var(--color-footer-text); font-weight: 700; }
.footer-brand:hover { color: var(--color-footer-text); }
.footer-logo { width: 2.45rem; height: 2.45rem; display: inline-grid; place-items: center; border: 1px solid rgba(243,241,233,.24); border-radius: var(--radius-sm); color: var(--color-footer-text); font-family: var(--font-serif); font-size: 1.35rem; font-weight: 700; letter-spacing: -.04em; }
.footer-brand-block p { color: var(--color-footer-muted); font-size: var(--text-sm); }
.footer-copy { margin-top: 1.25rem; color: rgba(243,241,233,.56) !important; font-family: var(--font-mono); font-size: var(--text-xs) !important; }
.footer-column { display: grid; gap: .72rem; align-content: start; }
.footer-column h2 { margin-bottom: .22rem; color: var(--color-footer-text); font-family: var(--font-sans); font-size: var(--text-sm); font-weight: 700; letter-spacing: -.01em; line-height: 1.25; }
.footer-column a { color: var(--color-footer-muted); font-size: var(--text-sm); line-height: 1.35; transition: color var(--transition-fast), transform var(--transition-fast); }
.footer-column a:hover { color: var(--color-footer-text); transform: translateX(2px); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}
@media (max-width: 1180px) {
  .footer-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .footer-brand-block { grid-column: 1 / -1; max-width: 680px; }
  .four-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 960px) {
  :root { --header-height: 68px; }
  .three-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .editorial-split, .page-hero-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .nav-toggle { display: inline-grid; place-items: center; }
  .primary-nav {
    position: fixed; z-index: 999; top: var(--header-height); right: 0; left: 0;
    max-height: calc(100dvh - var(--header-height)); display: grid; align-content: start; gap: 0;
    overflow-y: auto; background: var(--color-background); border-bottom: 1px solid var(--color-border-soft);
    padding: .75rem var(--container-pad) 1rem; transform: translateY(-110%); opacity: 0;
    pointer-events: none; visibility: hidden; transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
  }
  .primary-nav.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; visibility: visible; }
  .primary-nav a { display: block; border-bottom: 1px solid var(--color-border-soft); padding: 1.05rem 0; color: var(--color-ink); font-size: 1.05rem; }
  .primary-nav a::after { display: none; }
}
@media (max-width: 680px) {
  :root { --container-pad: 1rem; }
  .brand-text { font-size: .96rem; }
  .brand-mark { width: 2rem; height: 2rem; font-size: 1.1rem; }
  .section-heading { margin-bottom: 2rem; }
  .two-cols, .three-cols, .four-cols { grid-template-columns: 1fr; }
  .button { width: 100%; }
  .final-panel { display: grid; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand-block { max-width: none; }
}
@media (max-width: 380px) {
  h1 { font-size: clamp(2.25rem, 12vw, 2.65rem); }
  .nav-shell { gap: 1rem; }
}