/* ============================================
   XYLITAL — Video Editing Portfolio
   Design tokens
   ============================================ */

@font-face {
  font-family: 'Fraunces';
  src: local('Fraunces');
}

:root {
  /* Color — graphite / cinema base, warm brass accent */
  --ink:        #121212;   /* primary background, near-black graphite */
  --ink-raised: #1a1a1a;   /* slightly raised panel */
  --ink-line:   #2b2b2b;   /* hairline borders on dark */
  --paper:      #f6f4ef;   /* warm off-white for light sections */
  --paper-dim:  #ece8df;
  --brass:      #c9a15a;   /* premium accent — brass/gold, not neon */
  --brass-dim:  #9c7f47;
  --clay:       #b3583f;   /* secondary accent for small emphasis, sparing */
  --ink-soft:   #cfcdc6;   /* muted text on dark */
  --ink-faint:  #8a8983;   /* faint text on dark */
  --text-on-paper: #1c1b18;
  --text-on-paper-soft: #5b584f;

  /* Type */
  --serif: 'Fraunces', 'Iowan Old Style', 'Georgia', serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Scale */
  --step--1: clamp(0.83rem, 0.8rem + 0.15vw, 0.92rem);
  --step-0:  clamp(1rem, 0.95rem + 0.2vw, 1.08rem);
  --step-1:  clamp(1.2rem, 1.1rem + 0.4vw, 1.4rem);
  --step-2:  clamp(1.5rem, 1.3rem + 0.8vw, 1.9rem);
  --step-3:  clamp(2rem, 1.6rem + 1.6vw, 2.8rem);
  --step-4:  clamp(2.6rem, 1.9rem + 2.8vw, 4.2rem);
  --step-5:  clamp(3.2rem, 2.2rem + 4vw, 5.6rem);

  --maxw: 1140px;
  --gutter: clamp(1.25rem, 4vw, 3.5rem);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--ink-soft);
  font-family: var(--sans);
  font-size: var(--step-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 600;
  color: var(--paper);
  line-height: 1.12;
  margin: 0;
  letter-spacing: -0.01em;
}

p { max-width: 62ch; margin: 0; }

.wrap {
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* Visible keyboard focus */
a:focus-visible,
button:focus-visible,
.card:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ============================================
   Nav
   ============================================ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(18, 18, 18, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--ink-line);
}

.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  font-family: var(--serif);
  font-size: var(--step-1);
  color: var(--paper);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand em {
  font-style: italic;
  color: var(--brass);
}

.nav-links {
  display: flex;
  gap: clamp(1rem, 2vw, 2.1rem);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: var(--step--1);
  color: var(--ink-faint);
  position: relative;
  padding: 0.3rem 0;
  transition: color 0.25s var(--ease);
}

.nav-links a:hover { color: var(--paper); }

.nav-links a[aria-current="page"] {
  color: var(--paper);
}

.nav-links a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--brass);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--ink-line);
  color: var(--paper);
  width: 40px;
  height: 40px;
  border-radius: 2px;
  cursor: pointer;
}

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: var(--ink);
    border-bottom: 1px solid var(--ink-line);
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 0;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links li { border-top: 1px solid var(--ink-line); }
  .nav-links li:first-child { border-top: none; }
  .nav-links a {
    display: block;
    padding: 0.9rem var(--gutter);
  }
  .nav-links a[aria-current="page"]::after { display: none; }
  .nav-links a[aria-current="page"] { color: var(--brass); }
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
  border-top: 1px solid var(--ink-line);
  padding: 2.5rem 0;
  margin-top: clamp(4rem, 8vw, 7rem);
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.footer-note {
  font-size: var(--step--1);
  color: var(--ink-faint);
}

.footer-contact {
  font-size: var(--step--1);
  color: var(--brass);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.6rem;
  border-radius: 2px;
  font-size: var(--step--1);
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.btn-primary {
  background: var(--brass);
  color: #1a1508;
}
.btn-primary:hover { background: #dcb56c; }

.btn-ghost {
  background: transparent;
  color: var(--paper);
  border-color: var(--ink-line);
}
.btn-ghost:hover { border-color: var(--brass); color: var(--brass); }

.btn-ghost-light {
  background: transparent;
  color: var(--text-on-paper);
  border-color: #d8d3c6;
}
.btn-ghost-light:hover { border-color: var(--clay); color: var(--clay); }

/* ============================================
   Section helpers
   ============================================ */
.section {
  padding-block: clamp(3.5rem, 7vw, 6rem);
}

.section-light {
  background: var(--paper);
  color: var(--text-on-paper-soft);
}
.section-light h1, .section-light h2, .section-light h3, .section-light h4 {
  color: var(--text-on-paper);
}

.kicker {
  font-family: var(--serif);
  font-style: italic;
  color: var(--brass);
  font-size: var(--step-0);
  margin: 0 0 0.6rem;
}

.section-light .kicker { color: var(--clay); }

.divider {
  border: none;
  border-top: 1px solid var(--ink-line);
  margin: 0;
}

.section-light + .section-light .divider,
.section-light .divider {
  border-top-color: #ddd8cb;
}