/* ============================================================
   global.css — Base Pair to Blueprint
   Shared across: index.html, about.html, work.html
   ============================================================ */

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

/* ── TOKENS ── */
:root {
  --soil:      #2c1f0e;
  --bark:      #4a3520;
  --moss:      #5c7a2e;
  --sage:      #8a9e6e;
  --lichen:    #b8c4a0;
  --cream:     #f5f0e8;
  --parchment: #ede5d4;
  --gold:      #c49a3c;
  --rust:      #8b4a2f;
  --mist:      #dde5d8;
}

/* ── BASE ── */
html { scroll-behavior: smooth; }

body {
  background-color: var(--cream);
  color: var(--soil);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  overflow-x: hidden;
}

/* Grain texture overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 999;
  opacity: 0.6;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.4rem 3rem;
  background: rgba(245, 240, 232, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(92, 107, 58, 0.15);
}

.nav-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.3rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--bark);
  text-transform: uppercase;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.nav-logo-sub {
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sage);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
}

.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bark);
  text-decoration: none;
  opacity: 0.75;
  transition: opacity 0.2s;
}
.nav-links a:hover { opacity: 1; }
.nav-links a.active { opacity: 1; border-bottom: 1px solid var(--moss); }

/* ── PAGE HERO (about + work) ── */
.page-hero {
  padding: 12rem 3rem 6rem;
  max-width: 780px;
  margin: 0 auto;
  border-bottom: 1px solid rgba(92,107,58,0.12);
}

.page-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--moss);
  margin-bottom: 1.5rem;
}

.page-hero h1 {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 300;
  line-height: 1.1;
  color: var(--bark);
  margin-bottom: 1.8rem;
}

.page-hero h1 em {
  font-style: italic;
  color: var(--moss);
}

.page-hero .tagline {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--bark);
  opacity: 0.7;
  max-width: 52ch;
}

/* ── SHARED TYPOGRAPHY ── */
.section-label {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 1.2rem;
}

/* ── BUTTONS ── */
.btn-primary {
  display: inline-block;
  background: #5c6b3a;
  color: var(--cream);
  padding: 0.85rem 2rem;
  border-radius: 2px;
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
  cursor: pointer;
  border: none;
  font-family: 'DM Sans', sans-serif;
  transition: background 0.25s, transform 0.2s;
}
.btn-primary:hover { background: var(--bark); transform: translateY(-2px); }

.btn-ghost {
  padding: 0.9rem 2.2rem;
  background: transparent;
  color: var(--bark);
  border: 1px solid var(--sage);
  border-radius: 2px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: border-color 0.25s, color 0.25s, transform 0.2s;
}
.btn-ghost:hover { border-color: var(--bark); color: var(--soil); transform: translateY(-2px); }

/* ── FOOTER ── */
footer {
  background: var(--soil);
  color: rgba(245,240,232,0.5);
  padding: 3rem clamp(1.5rem, 8vw, 8rem);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
}

.footer-logo {
  text-decoration: none;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.1rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lichen);
}

.footer-links { display: flex; gap: 2rem; list-style: none; }
.footer-links a { color: rgba(245,240,232,0.45); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--lichen); }

/* ── CONTACT FORM FIELDS ── */
.form { display: flex; flex-direction: column; gap: 1.2rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field label {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--moss);
}
.field input, .field select, .field textarea {
  background: var(--cream);
  border: 1px solid rgba(92,107,58,0.25);
  border-radius: 2px;
  padding: 0.8rem 1rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.92rem;
  color: var(--soil);
  outline: none;
  transition: border-color 0.2s;
  appearance: none;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--moss);
}
.field textarea { resize: vertical; min-height: 130px; }

.form-submit {
  padding: 1rem 2.5rem;
  background: #5c6b3a;
  color: var(--cream);
  border: none;
  border-radius: 2px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.25s, transform 0.2s;
  align-self: flex-start;
}
.form-submit:hover { background: var(--bark); transform: translateY(-2px); }

/* ── HAMBURGER ── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
  position: relative;
  z-index: 300;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--bark);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
  transform-origin: center;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  nav {
    padding: 1.2rem 1.5rem;
    position: fixed;
    z-index: 200;
  }
  .nav-hamburger { display: flex; }

  .nav-links {
    display: flex !important;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; right: 0;
    background: rgba(245,240,232,0.98);
    backdrop-filter: blur(12px);
    padding: 6rem 2rem 3rem;
    gap: 2rem;
    transform: translateY(-100%);
    transition: transform 0.35s ease;
    z-index: 250;
    border-bottom: 1px solid rgba(92,107,58,0.15);
    list-style: none;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { font-size: 1.1rem; letter-spacing: 0.1em; opacity: 0.85; }

  .page-hero { padding: 9rem 1.5rem 4rem; }
  footer { flex-direction: column; gap: 1.5rem; text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; }
  .form-row { grid-template-columns: 1fr; }
}