/* =========================================================================
   yadallest — base.css
   Shared tokens, reset, typography, navigation and footer.
   Every page on the site imports this before its own stylesheet.
   ========================================================================= */

@import url("https://fonts.googleapis.com/css2?family=Caveat:wght@500;600&family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;1,400&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap");

:root {
  /* ---- pigments, lifted from js/palette.js so the whole site shares
     one paint box with the generative canvas ---- */
  --pigment-prussian: #1b2a4a;
  --pigment-ultramarine: #2e4b8f;
  --pigment-cobalt: #1f5fa8;
  --pigment-chrome-yellow: #f4c430;
  --pigment-ochre: #e8a33d;
  --pigment-viridian: #3e7c5a;
  --pigment-cream: #f2e9d8;
  --pigment-vermilion: #c1440e;

  /* ---- surfaces ---- */
  --canvas-base: #0d1a30;
  --surface-1: #101f3a;
  --surface-2: #142446;
  --surface-raised: #17294d;
  --hairline: rgba(242, 233, 216, 0.14);
  --hairline-strong: rgba(242, 233, 216, 0.26);

  /* ---- text ---- */
  --ink-primary: var(--pigment-cream);
  --ink-secondary: rgba(242, 233, 216, 0.72);
  --ink-muted: rgba(242, 233, 216, 0.48);
  --ink-on-accent: #12213f;

  /* ---- accents ---- */
  --accent: var(--pigment-chrome-yellow);
  --accent-warm: var(--pigment-ochre);
  --accent-rare: var(--pigment-vermilion);
  --accent-cool: var(--pigment-cobalt);

  /* ---- type ---- */
  --font-display: "Cormorant Garamond", "Iowan Old Style", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-script: "Caveat", cursive;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;

  /* ---- rhythm ---- */
  --gutter: clamp(1.25rem, 4vw, 3.5rem);
  --content-max: 76rem;
  --radius-sm: 6px;
  --radius-md: 10px;

  /* ---- motion ---- */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 160ms;
  --dur-mid: 420ms;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  background: var(--canvas-base);
  color: var(--ink-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg, canvas {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

::selection {
  background: var(--pigment-chrome-yellow);
  color: var(--ink-on-accent);
}

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

/* =========================================================================
   Site chrome — a thin canvas-edge nav that sits above every page.
   The little brush-stroke divider is the one recurring signature mark.
   ========================================================================= */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem var(--gutter);
  backdrop-filter: blur(10px) saturate(1.1);
  background: linear-gradient(
    to bottom,
    rgba(13, 26, 48, 0.86),
    rgba(13, 26, 48, 0)
  );
  pointer-events: none;
}

.site-nav__mark,
.site-nav__links a,
.site-nav__toggle {
  pointer-events: auto;
}

.site-nav__mark {
  font-family: var(--font-script);
  font-size: 1.4rem;
  color: var(--ink-primary);
  opacity: 0.85;
  letter-spacing: 0.02em;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.site-nav__mark small {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  opacity: 0.9;
}

.site-nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 2.5vw, 2.5rem);
  list-style: none;
}

.site-nav__links a {
  position: relative;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-secondary);
  padding-bottom: 3px;
  transition: color var(--dur-fast) var(--ease-out);
}

.site-nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -2px;
  height: 1px;
  background: var(--accent);
  transition: right var(--dur-mid) var(--ease-out);
}

.site-nav__links a:hover,
.site-nav__links a[aria-current="page"] {
  color: var(--ink-primary);
}

.site-nav__links a:hover::after,
.site-nav__links a[aria-current="page"]::after {
  right: 0;
}

.site-nav__toggle {
  display: none;
}

@media (max-width: 640px) {
  .site-nav__links {
    position: fixed;
    inset: 0 0 auto 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 5.5rem var(--gutter) 2.5rem;
    background: var(--surface-1);
    border-bottom: 1px solid var(--hairline);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--dur-mid) var(--ease-out),
      transform var(--dur-mid) var(--ease-out), visibility 0s linear var(--dur-mid);
  }

  .site-nav[data-open="true"] .site-nav__links {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    transition: opacity var(--dur-mid) var(--ease-out),
      transform var(--dur-mid) var(--ease-out), visibility 0s;
  }

  .site-nav__toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 6px;
  }

  .site-nav__toggle span {
    width: 20px;
    height: 1.5px;
    background: var(--ink-primary);
    transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast);
  }

  .site-nav[data-open="true"] .site-nav__toggle span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
  }
  .site-nav[data-open="true"] .site-nav__toggle span:nth-child(2) {
    opacity: 0;
  }
  .site-nav[data-open="true"] .site-nav__toggle span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
  }
}

/* Brush-stroke rule used to divide sections across the site */
.stroke-divider {
  --stroke-color: var(--hairline-strong);
  width: 100%;
  height: 14px;
  display: block;
}

/* =========================================================================
   Footer
   ========================================================================= */

.site-footer {
  border-top: 1px solid var(--hairline);
  padding: 2.75rem var(--gutter) 3.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
  justify-content: space-between;
  color: var(--ink-muted);
  font-size: 0.85rem;
}

.site-footer a {
  color: var(--ink-secondary);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-fast) var(--ease-out), color var(--dur-fast);
}

.site-footer a:hover {
  color: var(--accent);
  border-color: currentColor;
}

.site-footer__mark {
  font-family: var(--font-script);
  font-size: 1.2rem;
  color: var(--ink-secondary);
}

/* =========================================================================
   Small reusable primitives
   ========================================================================= */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-warm);
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
  opacity: 0.7;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.7rem 1.35rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  border: 1px solid var(--hairline-strong);
  color: var(--ink-primary);
  transition: border-color var(--dur-fast) var(--ease-out), background var(--dur-fast),
    transform var(--dur-fast) var(--ease-out);
}

.btn:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.btn--solid {
  background: var(--accent);
  color: var(--ink-on-accent);
  border-color: var(--accent);
}

.btn--solid:hover {
  background: var(--accent-warm);
  border-color: var(--accent-warm);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}