/* ──────────────────────────────────────────────────────────────
   Constructora Quezada Vivas — Design System
   Shared across landing + project pages
   ────────────────────────────────────────────────────────────── */

/* ─── PALETTES (driven by data-palette + data-theme) ─── */
:root,
[data-palette="earth"][data-theme="light"] {
  --ink:        #2c3a2e;   /* deep forest */
  --ink-2:      #3d4d3f;
  --ink-soft:   #6b7a6d;
  --ink-mute:   #95a098;
  --line:       #d9d2c4;
  --bronze:     #a8895f;
  --bronze-2:   #8c6f48;
  --bronze-lt:  #c6a980;
  --paper:      #faf7f1;
  --paper-2:    #f1ebde;
  --surface:    #ffffff;
  --on-dark:    #f5f1ea;
  --dark:       #1f2820;
  --dark-2:     #28322a;
}

[data-palette="earth"][data-theme="dark"] {
  --ink:        #f5f1ea;
  --ink-2:      #d9d2c4;
  --ink-soft:   #a8a89e;
  --ink-mute:   #7a7d75;
  --line:       #2e3a30;
  --bronze:     #c6a980;
  --bronze-2:   #a8895f;
  --bronze-lt:  #d9c19a;
  --paper:      #161b16;
  --paper-2:    #1f2820;
  --surface:    #1f2820;
  --on-dark:    #f5f1ea;
  --dark:       #0f130f;
  --dark-2:     #1a201a;
}

[data-palette="navy"][data-theme="light"] {
  --ink:        #0f2b5c;
  --ink-2:      #1a3b75;
  --ink-soft:   #4d5d7a;
  --ink-mute:   #8590a5;
  --line:       #d8dde6;
  --bronze:     #c9663b;
  --bronze-2:   #a8512f;
  --bronze-lt:  #db8866;
  --paper:      #eef0f3;
  --paper-2:    #e0e4eb;
  --surface:    #ffffff;
  --on-dark:    #eef0f3;
  --dark:       #0a1c3d;
  --dark-2:     #122551;
}
[data-palette="navy"][data-theme="dark"] {
  --ink:        #eef0f3;
  --ink-2:      #d6dae3;
  --ink-soft:   #a4adbf;
  --ink-mute:   #7a839a;
  --line:       #1f3260;
  --bronze:     #db8866;
  --bronze-2:   #c9663b;
  --bronze-lt:  #e9a48b;
  --paper:      #0a1530;
  --paper-2:    #122551;
  --surface:    #122551;
  --on-dark:    #eef0f3;
  --dark:       #060d20;
  --dark-2:     #0a1530;
}

[data-palette="mono"][data-theme="light"] {
  --ink:        #18181a;
  --ink-2:      #2e2e30;
  --ink-soft:   #5d5d5f;
  --ink-mute:   #9a9a9c;
  --line:       #d8d6d2;
  --bronze:     #6b6b6d;
  --bronze-2:   #4d4d4f;
  --bronze-lt:  #8a8a8c;
  --paper:      #f4f3ef;
  --paper-2:    #e8e6e0;
  --surface:    #ffffff;
  --on-dark:    #f4f3ef;
  --dark:       #131315;
  --dark-2:     #1d1d1f;
}
[data-palette="mono"][data-theme="dark"] {
  --ink:        #f4f3ef;
  --ink-2:      #d4d3cf;
  --ink-soft:   #9a9a9c;
  --ink-mute:   #6b6b6d;
  --line:       #2a2a2c;
  --bronze:     #c0c0c2;
  --bronze-2:   #a0a0a2;
  --bronze-lt:  #d8d8da;
  --paper:      #131315;
  --paper-2:    #1d1d1f;
  --surface:    #1d1d1f;
  --on-dark:    #f4f3ef;
  --dark:       #0a0a0c;
  --dark-2:     #131315;
}

/* ─── UTILITY (small layer to replace removed Tailwind) ─── */
*, *::before, *::after { box-sizing: border-box; }
body, h1, h2, h3, h4, p, ul, ol, figure { margin: 0; padding: 0; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { font: inherit; }

.hidden { display: none !important; }
.flex { display: flex; }
.grid { display: grid; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }
.inline-flex { display: inline-flex; }
.inline-block { display: inline-block; }

@media (min-width: 768px) {
  .md\:flex { display: flex !important; }
  .md\:grid { display: grid !important; }
  .md\:inline-flex { display: inline-flex !important; }
  .md\:inline { display: inline !important; }
  .md\:block { display: block !important; }
  .md\:hidden { display: none !important; }
}
@media (max-width: 767.98px) {
  .md\:flex { display: none; }
  .md\:grid { display: none; }
  .md\:inline-flex { display: none; }
  .md\:inline { display: none; }
  .md\:block { display: none; }
}

/* ─── BASE ─── */
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'Inter', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background 0.5s ease, color 0.5s ease;
}

.font-display   { font-family: 'Playfair Display', Georgia, serif; }
.font-sans      { font-family: 'Inter', system-ui, sans-serif; }
.font-condensed { font-family: 'Barlow Condensed', 'Inter', sans-serif; }

/* ─── TOKENS as utility classes ─── */
.bg-paper   { background-color: var(--paper); }
.bg-paper-2 { background-color: var(--paper-2); }
.bg-surface { background-color: var(--surface); }
.bg-dark    { background-color: var(--dark); }
.bg-dark-2  { background-color: var(--dark-2); }
.bg-ink     { background-color: var(--ink); }

.text-ink      { color: var(--ink); }
.text-ink-2    { color: var(--ink-2); }
.text-soft     { color: var(--ink-soft); }
.text-mute     { color: var(--ink-mute); }
.text-bronze   { color: var(--bronze); }
.text-bronze-lt{ color: var(--bronze-lt); }
.text-on-dark  { color: var(--on-dark); }

.border-line   { border-color: var(--line); }
.border-bronze { border-color: var(--bronze); }

/* ─── TYPE ─── */
.eyebrow {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.72rem;
  color: var(--bronze);
}
.display {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.02;
}
.display em {
  font-style: italic;
  font-weight: 400;
  color: var(--bronze);
}

/* Bronze rule under section titles */
.bronze-rule::after {
  content: '';
  display: block;
  width: 48px;
  height: 1px;
  background: var(--bronze);
  margin-top: 24px;
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  border-radius: 2px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease, transform 0.2s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-solid {
  background: var(--ink);
  color: var(--on-dark);
}
.btn-solid:hover { background: var(--ink-2); transform: translateY(-1px); }

.btn-bronze {
  background: var(--bronze);
  color: var(--on-dark);
}
.btn-bronze:hover { background: var(--bronze-2); transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}
.btn-outline:hover { background: var(--ink); color: var(--on-dark); }

.btn-outline-light {
  background: transparent;
  border-color: rgba(245,241,234,0.4);
  color: var(--on-dark);
}
.btn-outline-light:hover { border-color: var(--bronze-lt); color: var(--bronze-lt); }

.btn-link {
  background: transparent;
  color: var(--ink);
  padding: 4px 0;
  border-bottom: 1px solid var(--ink);
  letter-spacing: 0.14em;
}
.btn-link:hover { color: var(--bronze); border-color: var(--bronze); }

/* ─── NAV ─── */
.nav {
  position: fixed;
  top: 0;
  inset-inline: 0;
  z-index: 50;
  padding: 22px max(24px, 5vw);
  transition: background 0.35s ease, padding 0.3s ease, box-shadow 0.3s ease;
}
.nav.solid {
  background: color-mix(in oklab, var(--paper) 92%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  box-shadow: 0 1px 0 var(--line);
  padding-top: 14px;
  padding-bottom: 14px;
}
[data-theme="dark"] .nav.solid {
  background: color-mix(in oklab, var(--paper) 88%, transparent);
}
.nav-row {
  max-width: 1320px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.nav-link {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  color: var(--ink-soft);
  transition: color 0.2s ease;
  position: relative;
}
.nav-link:hover { color: var(--ink); }
.nav-link.active { color: var(--ink); }
.nav-link.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  bottom: -8px;
  height: 1px;
  background: var(--bronze);
}

/* Logo treatment — invert based on theme */
.logo-img {
  height: 168px;
  width: auto;
  transition: filter 0.4s ease, height 0.3s ease;
}
.nav.solid .logo-img { height: 144px; }
@media (max-width: 767.98px) {
  .logo-img { height: 132px; }
  .nav.solid .logo-img { height: 120px; }
}
[data-theme="light"] .logo-img { filter: brightness(0) saturate(100%) invert(15%) sepia(8%) saturate(900%) hue-rotate(70deg) brightness(95%); }
[data-theme="dark"]  .logo-img { filter: brightness(0) invert(1) opacity(0.95); }

/* ─── CARDS / SURFACES ─── */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px;
  transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
}
.card:hover {
  transform: translateY(-3px);
  border-color: var(--bronze);
  box-shadow: 0 24px 48px -16px rgba(44,58,46,.18);
}

.surface-dark {
  background: var(--dark);
  color: var(--on-dark);
}

/* ─── IMAGE WRAPPER ─── */
.img-wrap {
  position: relative;
  overflow: hidden;
  background: var(--paper-2);
}
.img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(.25,.46,.45,.94);
  display: block;
}
.img-wrap:hover img { transform: scale(1.04); }
.img-wrap.with-shade::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,20,15,0.75) 0%, rgba(15,20,15,0.2) 45%, transparent 75%);
  pointer-events: none;
}

/* ─── FIELDS ─── */
.field {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
  width: 100%;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  color: var(--ink);
  transition: border-color 0.2s ease;
}
.field:focus { outline: none; border-bottom-color: var(--bronze); }
.field::placeholder { color: var(--ink-mute); }
.field-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-mute);
  display: block;
  margin-bottom: 6px;
}
.field-dark {
  border-bottom-color: rgba(245,241,234,0.18);
  color: var(--on-dark);
}
.field-dark::placeholder { color: rgba(245,241,234,0.32); }
.field-dark:focus { border-bottom-color: var(--bronze-lt); }
.field-dark + .field-label,
.field-label.field-dark { color: rgba(245,241,234,0.45); }

/* ─── SCROLL REVEAL ─── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(.25,.46,.45,.94);
}
.reveal.on { opacity: 1; transform: translateY(0); }
.stagger > .reveal:nth-child(1) { transition-delay: 0s; }
.stagger > .reveal:nth-child(2) { transition-delay: 0.08s; }
.stagger > .reveal:nth-child(3) { transition-delay: 0.16s; }
.stagger > .reveal:nth-child(4) { transition-delay: 0.24s; }
.stagger > .reveal:nth-child(5) { transition-delay: 0.32s; }
.stagger > .reveal:nth-child(6) { transition-delay: 0.40s; }

/* Disable animations when user opts out */
[data-anim="off"] .reveal { opacity: 1 !important; transform: none !important; }
[data-anim="off"] .img-wrap:hover img { transform: none !important; }
[data-anim="off"] * { animation-duration: 0s !important; transition-duration: 0.0001s !important; }

/* ─── SECTIONS ─── */
.section {
  padding: clamp(72px, 12vw, 160px) max(24px, 5vw);
}
.section-tight {
  padding: clamp(56px, 8vw, 100px) max(24px, 5vw);
}
.container {
  max-width: 1320px;
  margin: 0 auto;
}

/* Grain overlay */
.grain { position: relative; }
.grain::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='.035'/%3E%3C/svg%3E");
  pointer-events: none;
  mix-blend-mode: multiply;
  z-index: 2;
}
[data-theme="dark"] .grain::before { mix-blend-mode: screen; opacity: 0.4; }

/* Marquee — gentle horizontal scroll */
.marquee {
  display: flex;
  gap: 64px;
  white-space: nowrap;
  animation: marqueeScroll 50s linear infinite;
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: clamp(2.5rem, 6vw, 5rem);
  color: var(--ink);
  opacity: 0.12;
}
@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ─── TWEAKS PANEL ─── */
.tw-fab {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--on-dark);
  border: 1px solid var(--ink);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 60;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(0,0,0,0.18);
}
.tw-fab:hover { background: var(--bronze); border-color: var(--bronze); }
.tw-panel {
  position: fixed;
  bottom: 80px;
  right: 20px;
  width: 320px;
  max-width: calc(100vw - 40px);
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 20px;
  z-index: 60;
  box-shadow: 0 24px 64px -12px rgba(0,0,0,0.28);
  display: none;
  font-family: 'Inter', sans-serif;
}
.tw-panel.open, .tw-fab.show { display: flex; }
.tw-panel.open { display: block; }
.tw-panel h4 {
  font-family: 'Barlow Condensed', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  color: var(--ink-mute);
  margin: 18px 0 10px;
  font-weight: 500;
}
.tw-panel h4:first-child { margin-top: 0; }
.tw-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.tw-btn {
  flex: 1 1 auto;
  padding: 8px 12px;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  border-radius: 2px;
  transition: all 0.2s ease;
  text-align: center;
  min-width: 60px;
}
.tw-btn:hover { border-color: var(--bronze); color: var(--bronze); }
.tw-btn.on {
  background: var(--ink);
  color: var(--on-dark);
  border-color: var(--ink);
}
.tw-swatches {
  display: flex;
  gap: 8px;
}
.tw-swatch {
  flex: 1;
  height: 44px;
  cursor: pointer;
  border-radius: 2px;
  border: 1px solid var(--line);
  display: flex;
  overflow: hidden;
  position: relative;
}
.tw-swatch.on { outline: 2px solid var(--bronze); outline-offset: 2px; }
.tw-swatch span { flex: 1; }
.tw-close {
  position: absolute;
  top: 12px;
  right: 12px;
  background: transparent;
  border: 0;
  color: var(--ink-mute);
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
}
.tw-close:hover { color: var(--ink); }
.tw-title {
  font-family: 'Playfair Display', serif;
  font-size: 1rem;
  color: var(--ink);
  margin: 0 0 4px;
}
.tw-sub {
  font-size: 0.72rem;
  color: var(--ink-mute);
  margin: 0 0 14px;
}

/* ─── HERO LAYOUT VARIANTS ─── */
[data-hero="split"] .hero-split { display: grid !important; }
[data-hero="split"] .hero-overlay,
[data-hero="split"] .hero-stack { display: none !important; }
[data-hero="overlay"] .hero-overlay { display: flex !important; }
[data-hero="overlay"] .hero-split,
[data-hero="overlay"] .hero-stack { display: none !important; }
[data-hero="stack"] .hero-stack { display: block !important; }
[data-hero="stack"] .hero-split,
[data-hero="stack"] .hero-overlay { display: none !important; }

/* Project teaser variant */
[data-teaser="editorial"] .teaser-editorial { display: grid !important; }
[data-teaser="editorial"] .teaser-card,
[data-teaser="editorial"] .teaser-fullbleed { display: none !important; }
[data-teaser="card"] .teaser-card { display: grid !important; }
[data-teaser="card"] .teaser-editorial,
[data-teaser="card"] .teaser-fullbleed { display: none !important; }
[data-teaser="fullbleed"] .teaser-fullbleed { display: block !important; }
[data-teaser="fullbleed"] .teaser-editorial,
[data-teaser="fullbleed"] .teaser-card { display: none !important; }

/* Footer variants */
[data-footer="editorial"] .foot-editorial { display: grid !important; }
[data-footer="editorial"] .foot-minimal,
[data-footer="editorial"] .foot-statement { display: none !important; }
[data-footer="minimal"] .foot-minimal { display: flex !important; }
[data-footer="minimal"] .foot-editorial,
[data-footer="minimal"] .foot-statement { display: none !important; }
[data-footer="statement"] .foot-statement { display: block !important; }
[data-footer="statement"] .foot-minimal,
[data-footer="statement"] .foot-editorial { display: none !important; }

/* Nav variants */
[data-nav="classic"] .nav-classic { display: flex !important; }
[data-nav="classic"] .nav-side,
[data-nav="classic"] .nav-pill { display: none !important; }
[data-nav="pill"] .nav-pill { display: flex !important; }
[data-nav="pill"] .nav-classic,
[data-nav="pill"] .nav-side { display: none !important; }

/* Smooth all theme transitions */
*, *::before, *::after {
  transition-property: background-color, border-color, color, fill, stroke, opacity, box-shadow;
  transition-duration: 0.45s;
  transition-timing-function: ease;
}
img, svg, .img-wrap img, .hero-bg {
  transition-property: transform, opacity, filter;
}

/* ─── RESPONSIVE OVERRIDES ─── */
@media (max-width: 900px) {
  .hero-split { grid-template-columns: 1fr !important; padding-top: 100px !important; gap: 48px; }
  .hero-split > div:first-child { justify-self: stretch !important; padding: 0 max(24px,5vw) !important; }
  .hero-split > div:last-child { padding: 0 !important; height: 60vh !important; min-height: 380px !important; }

  .container > div[style*="grid-template-columns:1fr 1fr"],
  .container > div[style*="grid-template-columns: 1fr 1fr"],
  .container > div[style*="grid-template-columns:1fr 1.4fr"],
  .container > div[style*="grid-template-columns: 1fr 1.4fr"],
  .container > div[style*="grid-template-columns:1.3fr 1fr"],
  .container > div[style*="grid-template-columns:1fr 1.3fr"],
  .container > div[style*="grid-template-columns:2fr 1fr 1fr 1fr"],
  .container > div[style*="grid-template-columns:1.4fr 1fr"] {
    grid-template-columns: 1fr !important;
    gap: 48px !important;
  }
  .teaser-editorial article {
    grid-template-columns: 1fr !important;
    gap: 32px !important;
  }
  .teaser-editorial article > div[style*="order:1"],
  .teaser-editorial article > div[style*="order:2"] { order: unset !important; }

  .teaser-card { grid-template-columns: 1fr !important; }

  .marquee { font-size: 2.4rem; }
  .display { line-height: 1.05; }
}

/* Selection */
::selection { background: var(--bronze); color: var(--on-dark); }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--paper); }
::-webkit-scrollbar-thumb { background: var(--line); }
::-webkit-scrollbar-thumb:hover { background: var(--bronze); }