/* =============================================================================
   Synaxi Design System: sourced from brand prototype by Cory
   Tokens: colors, typography, radius, shadow, motion, surface contexts
   ============================================================================= */

/* ── Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500&display=swap');
@import url('https://api.fontshare.com/v2/css?f[]=general-sans@300,400,500,600&display=swap');
/* Inter via system or Google Fonts fallback */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Design Tokens ── */
:root {
  /* Brand colours */
  --color-cobalt:    #1e6bff;
  --color-azure:     #4da3ff;
  --color-sky-mint:  #22c7a5;
  --color-navy:      #0b1220;
  --color-mist:      #f3f6fa;
  --color-stone:     #d8dee7;
  --color-white:     #ffffff;
  --color-black:     #000000;

  /* Ink scale (navy-tinted greys) */
  --color-ink-100: #e8ecf4;
  --color-ink-200: #c6cdd9;
  --color-ink-300: #8b95a8;
  --color-ink-400: #5b6577;
  --color-ink-500: #3d4a66;
  --color-ink-600: #2a3550;
  --color-ink-700: #1b2438;
  --color-ink-800: #0f172a;

  /* Typography */
  --font-display: "Aeonik", "General Sans", "Inter Display", system-ui, sans-serif;
  --font-ui:      "Inter", system-ui, -apple-system, sans-serif;
  --font-mono:    "JetBrains Mono", "SF Mono", Menlo, monospace;

  /* Text scale */
  --text-caption:                 0.75rem;
  --text-caption--letter-spacing: 0.08em;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;

  /* Spacing / layout */
  --container-wide: 1360px;

  /* Radius */
  --radius-sm:   6px;
  --radius:      10px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-sm:         0 1px 2px rgba(11, 18, 32, 0.06);
  --shadow:            0 4px 12px rgba(11, 18, 32, 0.08);
  --shadow-lg:         0 12px 32px rgba(11, 18, 32, 0.12);
  --shadow-glow-cobalt: 0 0 32px rgba(30, 107, 255, 0.28);

  /* Motion */
  --motion-fast: 120ms;
  --motion:      220ms;
  --ease-out:    cubic-bezier(0.2, 0, 0, 1);

  /* Light surface (default) */
  --surface-bg:           var(--color-white);
  --surface-bg-elevated:  var(--color-mist);
  --surface-fg:           var(--color-navy);
  --surface-fg-muted:     var(--color-ink-500);
  --surface-fg-subtle:    var(--color-ink-400);
  --surface-border:       var(--color-stone);
  --surface-border-strong: var(--color-ink-200);
  --surface-accent:       var(--color-cobalt);
  --surface-accent-soft:  var(--color-azure);
  --surface-success:      var(--color-sky-mint);
}

/* ── Dark surface context ── */
.surface-dark {
  --surface-bg:           var(--color-navy);
  --surface-bg-elevated:  var(--color-ink-800);
  --surface-fg:           var(--color-ink-100);
  --surface-fg-muted:     var(--color-ink-300);
  --surface-fg-subtle:    var(--color-ink-400);
  --surface-border:       var(--color-ink-700);
  --surface-border-strong: var(--color-ink-600);
  background-color: var(--surface-bg);
  color: var(--surface-fg);
}

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

body {
  font-family: var(--font-ui);
  background-color: var(--color-navy);
  color: var(--color-ink-100);
  line-height: 1.6;
}

/* ── Typography utilities ── */
.font-display { font-family: var(--font-display); }
.font-mono    { font-family: var(--font-mono); }

.eyebrow {
  font-family: var(--font-ui);
  font-size: var(--text-caption);
  letter-spacing: var(--text-caption--letter-spacing);
  text-transform: uppercase;
  color: var(--surface-fg-subtle);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* ── Colour utilities ── */
.text-cobalt   { color: var(--color-cobalt); }
.text-azure    { color: var(--color-azure); }
.text-sky-mint { color: var(--color-sky-mint); }
.text-navy     { color: var(--color-navy); }
.text-muted    { color: var(--surface-fg-muted); }
.text-subtle   { color: var(--surface-fg-subtle); }

.bg-cobalt     { background-color: var(--color-cobalt); }
.bg-mist       { background-color: var(--color-mist); }
.bg-navy       { background-color: var(--color-navy); }

/* ── Layout ── */
.container {
  max-width: var(--container-wide);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}
@media (min-width: 1024px) {
  .container { padding-left: 2.5rem; padding-right: 2.5rem; }
}

/* ── Button system ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: var(--text-sm);
  white-space: nowrap;
  cursor: pointer;
  border: none;
  outline: none;
  text-decoration: none;
  border-radius: var(--radius);
  transition: background-color var(--motion-fast) var(--ease-out),
              border-color     var(--motion-fast) var(--ease-out),
              color            var(--motion-fast) var(--ease-out),
              box-shadow       var(--motion-fast) var(--ease-out);
}
.btn:focus-visible {
  outline: 2px solid rgba(30, 107, 255, 0.6);
  outline-offset: 2px;
}
.btn:disabled { opacity: 0.5; pointer-events: none; }

.btn-sm  { height: 2.25rem; padding: 0 0.875rem; font-size: var(--text-sm); }
.btn-md  { height: 2.75rem; padding: 0 1.375rem; font-size: var(--text-sm); }
.btn-lg  { height: 3.25rem; padding: 0 1.5rem;   font-size: var(--text-base); }

.btn-primary {
  background-color: var(--color-cobalt);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover  { background-color: color-mix(in oklab, var(--color-cobalt) 88%, white); }
.btn-primary:active { background-color: color-mix(in oklab, var(--color-cobalt) 75%, black); }

.btn-ghost {
  background-color: transparent;
  color: var(--surface-fg);
  border: 1px solid var(--surface-border);
}
.btn-ghost:hover { border-color: var(--surface-fg); background-color: var(--surface-bg-elevated); }

.btn-text {
  background-color: transparent;
  color: var(--surface-fg);
  padding-left: 0;
  padding-right: 0;
}
.btn-text:hover { background-color: var(--surface-bg-elevated); padding-left: 0.75rem; padding-right: 0.75rem; }

/* ── Pill / badge ── */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  border-radius: var(--radius-pill);
  border: 1px solid;
  padding: 0.25rem 0.625rem;
  font-size: var(--text-caption);
  font-weight: 500;
  letter-spacing: var(--text-caption--letter-spacing);
  text-transform: uppercase;
}
.pill-cobalt { border-color: rgba(30,107,255,0.3); color: var(--color-cobalt); background: rgba(30,107,255,0.08); }
.pill-azure  { border-color: rgba(77,163,255,0.3); color: var(--color-azure); }
.pill-stone  { border-color: var(--color-stone);   color: var(--color-ink-500); }
.pill-dot    { display: inline-block; width: 0.375rem; height: 0.375rem; border-radius: 999px; background: currentColor; }

/* ── Card ── */
.card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--surface-border);
  background-color: var(--surface-bg-elevated);
  transition: transform var(--motion) var(--ease-out),
              border-color var(--motion) var(--ease-out),
              box-shadow var(--motion) var(--ease-out);
}
.card:hover {
  transform: translateY(-2px);
  border-color: rgba(30,107,255,0.4);
  box-shadow: var(--shadow);
}

/* ── Icon container ── */
.icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius);
  border: 1px solid;
  flex-shrink: 0;
}
.icon-wrap-cobalt { border-color: rgba(30,107,255,0.3); background: rgba(30,107,255,0.1); color: var(--color-cobalt); }
.icon-wrap-light  { border-color: var(--color-stone); background: var(--color-white); color: var(--color-navy); }

/* ── Decorative backgrounds ── */
.bg-grid-overlay {
  background-image: linear-gradient(to right, white 1px, transparent 1px),
                    linear-gradient(to bottom, white 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 40%, transparent 80%);
          mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 40%, transparent 80%);
  opacity: 0.04;
  pointer-events: none;
  position: absolute;
  inset: 0;
}

.bg-token-flow {
  background: radial-gradient(60% 50%, rgba(30,107,255,0.18) 0%, transparent 60%),
              radial-gradient(80% 70% at 80% 90%, rgba(77,163,255,0.14) 0%, transparent 60%);
}

/* ── Synaxi mark / wordmark ── */
.synaxi-mark svg { display: block; }
.synaxi-wordmark {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--surface-fg);
}

/* ── CountUp animation ── */
@keyframes countup-fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
.countup { display: inline-block; }

/* ── Mobile nav menu ── */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--surface-fg);
  cursor: pointer;
  transition: border-color var(--motion-fast) var(--ease-out), background-color var(--motion-fast) var(--ease-out);
}
.nav-toggle:hover { border-color: var(--surface-fg); }
.nav-toggle svg { width: 1.25rem; height: 1.25rem; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-open  { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

.mobile-menu {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  z-index: 40;
  background: var(--color-navy);
  border-top: 1px solid var(--surface-border);
  border-bottom: 1px solid var(--surface-border);
  padding: 1rem 1.5rem 1.5rem;
}
.mobile-menu[data-open] { display: block; animation: mm-in 180ms var(--ease-out); }
@keyframes mm-in { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

.mobile-menu-list { list-style: none; display: flex; flex-direction: column; }
.mobile-menu-list a {
  display: block;
  padding: 0.875rem 0;
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--color-ink-100);
  text-decoration: none;
  border-bottom: 1px solid var(--color-ink-700);
}
.mobile-menu-list a:active { color: var(--color-cobalt); }
.mobile-menu-actions { margin-top: 1.25rem; display: flex; flex-direction: column; gap: 0.75rem; }
.mobile-menu-actions .btn { width: 100%; }

/* Below the desktop nav breakpoint: show toggle, hide inline CTAs */
@media (max-width: 899px) {
  .nav-actions .nav-signin,
  .nav-actions > .btn { display: none; }
}
@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .mobile-menu { display: none !important; }
}

/* ── Section spacing ── */
.section-py   { padding-top: 6rem;  padding-bottom: 6rem; }
.section-py-lg { padding-top: 8rem; padding-bottom: 8rem; }
@media (min-width: 1024px) {
  .section-py   { padding-top: 8rem;  padding-bottom: 8rem; }
  .section-py-lg { padding-top: 10rem; padding-bottom: 10rem; }
}

/* ── Divider ── */
hr.surface-border { border: none; border-top: 1px solid var(--surface-border); }