/* ═══════════════════════════════════════════════════════
   Tram Design Studio — Shared Stylesheet
   Type: Cormorant Garamond (display) × Jost (body)
   Palette: Warm ink, aged paper, brand copper
   ═══════════════════════════════════════════════════════ */

:root {
  --ink:       #16140F;
  --ink-2:     #4E4A44;
  --ink-3:     #908C86;
  --paper:     #F8F5EF;
  --paper-2:   #EDEBE3;
  --copper:    #B8601C;
  --copper-lt: #D4844A;
  --ruled:     #D0CBC4;
  --dark:      #0F0E0B;
  --dark-2:    #1C1A16;

  --glass-paper: rgba(248,245,239,0.94);
  --glass-dark:  rgba(15,14,11,0.9);

  --serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --sans:  'Jost', 'Gill Sans MT', system-ui, sans-serif;

  /* Type scale — intentionally larger */
  --fs-xs:   0.78rem;
  --fs-sm:   0.92rem;
  --fs-base: 1.05rem;
  --fs-lg:   1.3rem;
  --fs-xl:   1.75rem;
  --fs-2xl:  2.4rem;
  --fs-3xl:  clamp(2.8rem, 5vw, 4.5rem);
  --fs-hero: clamp(1.8rem, 5.5vw, 4rem);

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink:       #F0EDE4;
    --ink-2:     #C0BDB5;
    --ink-3:     #7A766F;
    --paper:     #141210;
    --paper-2:   #1C1A17;
    --copper:    #D4844A;
    --copper-lt: #E8A070;
    --ruled:     #302C28;
    --glass-paper: rgba(20,18,16,0.94);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --ink:       #F0EDE4;
  --ink-2:     #C0BDB5;
  --ink-3:     #7A766F;
  --paper:     #141210;
  --paper-2:   #1C1A17;
  --copper:    #D4844A;
  --copper-lt: #E8A070;
  --ruled:     #302C28;
  --glass-paper: rgba(20,18,16,0.94);
  color-scheme: dark;
}

/* ── Reset ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--fs-base);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }

/* ── NAV ────────────────────────────────────────────── */
.site-nav {
  position: fixed;
  top: env(safe-area-inset-top, 0px);
  left: 0; right: 0;
  z-index: 200;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.4rem 2.5rem;
  transition: transform 0.4s ease, background 0.4s ease,
              padding 0.3s ease, border-color 0.4s ease,
              box-shadow 0.4s ease;
  border-bottom: 1px solid transparent;
}
.site-nav.scrolled {
  background: var(--glass-paper);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding-top: 0.8rem;
  padding-bottom: 0.8rem;
  border-bottom-color: var(--ruled);
  box-shadow: 0 1px 24px rgba(0,0,0,0.06);
}
.site-nav.hidden { transform: translateY(-100%); }

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
}
.nav-logo-img {
  height: 46px;
  width: auto;
  background: white;
  padding: 5px 10px;
  border-radius: 2px;
  display: block;
}

/* Links */
.nav-links {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 2.25rem;
}
.nav-links a {
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-2);
  transition: color 0.2s;
  white-space: nowrap;
}
.nav-links a:hover,
.nav-links a.active { color: var(--copper); }

/* On dark hero — white links before scroll */
.nav-dark .nav-links a { color: rgba(248,245,239,0.75); }
.nav-dark.scrolled .nav-links a { color: var(--ink-2); }
.nav-dark .nav-links a:hover,
.nav-dark .nav-links a.active,
.nav-dark.scrolled .nav-links a:hover { color: var(--copper); }

/* Contact CTA in nav */
.nav-cta {
  background: var(--copper);
  color: white !important;
  padding: 0.5rem 1.2rem;
  border-radius: 2px;
  transition: background 0.2s !important;
  letter-spacing: 0.12em !important;
}
.nav-cta:hover { background: var(--copper-lt) !important; color: white !important; }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  width: 28px;
  height: 28px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--ink);
  transition: all 0.3s;
}
.nav-dark .nav-hamburger span { background: #F8F5EF; }
.nav-dark.scrolled .nav-hamburger span { background: var(--ink); }

/* Mobile overlay */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--dark);
  z-index: 190;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2rem;
}
.nav-overlay.open { display: flex; }
.nav-overlay a {
  font-family: var(--serif);
  font-size: 2.8rem;
  font-weight: 300;
  color: #F8F5EF;
  transition: color 0.2s;
}
.nav-overlay a:hover { color: var(--copper); }
.nav-overlay-close {
  position: absolute;
  top: 1.5rem;
  right: 1.75rem;
  background: none;
  border: none;
  cursor: pointer;
  color: rgba(248,245,239,0.6);
  font-size: 1.8rem;
  line-height: 1;
}

/* ── FOOTER ─────────────────────────────────────────── */
.site-footer {
  background: var(--dark);
  padding: 1.75rem 2.5rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
}
.footer-brand {
  font-family: var(--serif);
  font-size: 1.2rem;
  letter-spacing: 0.12em;
  color: #F8F5EF;
}
.footer-brand em { color: var(--copper); font-style: normal; }
.footer-tag {
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(248,245,239,0.38);
  margin-top: 0.35rem;
}
.footer-nav {
  display: flex;
  gap: 2rem;
  list-style: none;
  justify-content: center;
}
.footer-nav a {
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(248,245,239,0.45);
  transition: color 0.2s;
}
.footer-nav a:hover { color: var(--copper); }
.footer-copy {
  font-size: var(--fs-xs);
  color: rgba(248,245,239,0.3);
  text-align: right;
}

/* ── SHARED UTILITIES ───────────────────────────────── */
.label {
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--copper);
  display: block;
}
.copper-rule {
  width: 2.5rem;
  height: 1px;
  background: var(--copper);
}
.light-rule {
  width: 2.5rem;
  height: 1px;
  background: var(--ruled);
}
.serif { font-family: var(--serif); }

/* ── PAGE HERO (non-home pages) ─────────────────────── */
.page-top {
  padding: 9rem 2.5rem 4.5rem;
  background: var(--paper-2);
  border-bottom: 1px solid var(--ruled);
}
.page-top .label { margin-bottom: 1.25rem; }
.page-top h1 {
  font-family: var(--serif);
  font-size: var(--fs-3xl);
  font-weight: 400;
  line-height: 1.05;
  text-wrap: balance;
  margin-bottom: 1rem;
}
.page-top p {
  font-size: var(--fs-lg);
  color: var(--ink-2);
  max-width: 55ch;
  line-height: 1.6;
}

/* ── BUTTONS ────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--sans);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.9rem 2rem;
  border-radius: 2px;
  border: none;
  cursor: pointer;
  transition: all 0.25s;
  white-space: nowrap;
}
.btn-copper { background: var(--copper); color: white; }
.btn-copper:hover { background: var(--copper-lt); }
.btn-outline { background: transparent; color: var(--ink); border: 1px solid var(--ruled); }
.btn-outline:hover { border-color: var(--ink); }
.btn-outline-white { background: transparent; color: white; border: 1px solid rgba(255,255,255,0.4); }
.btn-outline-white:hover { background: rgba(255,255,255,0.1); }

/* ── SCROLLBAR ──────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(184,96,28,0.35);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(184,96,28,0.6); }

/* ── SCROLL REVEAL ──────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ── RESPONSIVE ─────────────────────────────────────── */
@media (max-width: 900px) {
  .site-nav { padding: 1rem 1.25rem; }
  .site-nav.scrolled { padding: 0.7rem 1.25rem; }
  .nav-links { display: none !important; }
  .nav-hamburger { display: flex; }
  .site-footer {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 2.5rem 1.25rem;
    text-align: center;
  }
  .footer-copy { text-align: center; }
  .footer-nav { justify-content: center; flex-wrap: wrap; gap: 1.25rem; }
  .page-top { padding: 7rem 1.25rem 3rem; }
}

/* ── SMALL PHONES (≤ 480px) ─────────────────────────── */
@media (max-width: 480px) {
  .page-top h1 { font-size: 2.2rem; }
  .page-top p  { font-size: 1rem; }
}

/* ── LARGE SCREENS / TV (≥ 1600px) ─────────────────── */
@media (min-width: 1600px) {
  .page-top {
    padding-left:  max(2.5rem, calc(50vw - 760px));
    padding-right: max(2.5rem, calc(50vw - 760px));
  }
  .site-footer {
    padding-left:  max(2.5rem, calc(50vw - 760px));
    padding-right: max(2.5rem, calc(50vw - 760px));
  }
}