/* ============================================================
   VALLE RIO NEGRO — Redesign
   Paleta: navy profundo + dourado + off-white quente
   ============================================================ */

:root {
  /* Cores base */
  --navy-900: #05101f;
  --navy-800: #0a1a33;
  --navy-700: #10244a;
  --navy-600: #1a3360;
  --navy-50:  #eef1f7;

  --gold-500: #c9a961;      /* dourado principal */
  --gold-400: #d9bd7d;
  --gold-300: #e8d3a2;
  --gold-600: #b08f47;

  --bone:     #f5f1e8;      /* off-white quente */
  --bone-100: #efe9d9;
  --bone-200: #e6dfc9;
  --ink:      #0b0f18;

  /* Tipografia */
  --font-serif: "Cormorant Garamond", "Playfair Display", Georgia, serif;
  --font-sans:  "Space Grotesk", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono:  "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;

  /* Ritmo */
  --container: 1320px;
  --pad-section: clamp(64px, 8vw, 140px);

  /* Animações */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--bone);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.5;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
}

/* ============================================================
   Tipografia
   ============================================================ */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-600);
}
.eyebrow.on-dark { color: var(--gold-400); }

.display {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.02;
  font-size: clamp(56px, 8vw, 132px);
}
.display .italic { font-style: italic; color: var(--gold-500); }

h1, h2, h3, h4 { margin: 0; font-weight: 500; letter-spacing: -0.01em; }
h2.section-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(40px, 5vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.015em;
}
h2.section-title .italic { font-style: italic; color: var(--gold-600); }

.lede {
  font-size: clamp(18px, 1.4vw, 22px);
  line-height: 1.55;
  color: #3a3f4a;
  max-width: 62ch;
}
.on-dark .lede, .on-dark.lede { color: rgba(245,241,232,0.75); }

.rule {
  display: inline-block;
  width: 48px;
  height: 1px;
  background: var(--gold-500);
  vertical-align: middle;
  margin-right: 14px;
}

/* ============================================================
   Nav
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--navy-900);
  color: var(--bone);
  border-bottom: 1px solid rgba(201,169,97,0.12);
  backdrop-filter: blur(8px);
}
.nav .inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 22px clamp(20px, 4vw, 48px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 14px;
}
.nav-logo img { filter: brightness(1.05); }
.nav-links {
  display: flex;
  gap: 38px;
  align-items: center;
}
.nav-links a {
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(245,241,232,0.72);
  transition: color 0.3s var(--ease-out);
  padding: 6px 0;
  position: relative;
}
.nav-links a:hover { color: var(--bone); }
.nav-links a.active { color: var(--gold-400); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 1px;
  background: var(--gold-500);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border: 1px solid var(--gold-500);
  color: var(--gold-400);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  transition: all 0.3s var(--ease-out);
}
.nav-cta:hover { background: var(--gold-500); color: var(--navy-900); }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 18px 32px;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 500;
  transition: all 0.4s var(--ease-out);
  border: 1px solid transparent;
}
.btn-gold {
  background: var(--gold-500);
  color: var(--navy-900);
}
.btn-gold:hover {
  background: var(--gold-400);
  transform: translateY(-2px);
}
.btn-ghost-light {
  border-color: rgba(245,241,232,0.25);
  color: var(--bone);
}
.btn-ghost-light:hover {
  border-color: var(--gold-500);
  color: var(--gold-400);
}
.btn-ghost-dark {
  border-color: rgba(10,26,51,0.2);
  color: var(--navy-900);
}
.btn-ghost-dark:hover {
  border-color: var(--navy-900);
  background: var(--navy-900);
  color: var(--bone);
}
.btn .arrow { display: inline-block; transition: transform 0.4s var(--ease-out); }
.btn:hover .arrow { transform: translateX(6px); }

/* ============================================================
   Hero — variação A (Editorial)
   ============================================================ */
.hero {
  background: var(--bone);
  padding: clamp(60px, 9vw, 140px) 0 clamp(80px, 10vw, 160px);
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: end;
}
.hero h1 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(64px, 8.5vw, 148px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--navy-900);
  margin-bottom: 28px;
}
.hero h1 .italic {
  font-style: italic;
  color: var(--gold-600);
  display: block;
}
.hero-meta {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px 24px;
  align-items: start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #5a6070;
  margin-top: 64px;
  padding-top: 28px;
  border-top: 1px solid rgba(10,26,51,0.12);
}
.hero-meta .label { color: var(--navy-900); }
.hero-visual {
  position: relative;
  aspect-ratio: 3/4;
  background: var(--navy-800);
  overflow: hidden;
}
.hero-visual .placeholder-tag {
  position: absolute;
  bottom: 20px;
  left: 20px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--gold-400);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.hero-index {
  position: absolute;
  top: clamp(100px, 12vw, 140px);
  right: clamp(20px, 4vw, 48px);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold-600);
  text-transform: uppercase;
}

/* ============================================================
   Ticker / marquee
   ============================================================ */
.ticker {
  background: var(--navy-900);
  color: var(--bone);
  padding: 22px 0;
  overflow: hidden;
  border-top: 1px solid rgba(201,169,97,0.15);
  border-bottom: 1px solid rgba(201,169,97,0.15);
}
.ticker-track {
  display: flex;
  gap: 80px;
  white-space: nowrap;
  animation: marquee 40s linear infinite;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 22px;
}
.ticker-track span { color: var(--bone); }
.ticker-track .dot {
  color: var(--gold-500);
  font-style: normal;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ============================================================
   Seções genéricas
   ============================================================ */
.section {
  padding: var(--pad-section) 0;
}
.section.dark {
  background: var(--navy-900);
  color: var(--bone);
}
.section.bone { background: var(--bone); }
.section.cream { background: var(--bone-100); }

.section-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: end;
  margin-bottom: clamp(48px, 6vw, 88px);
}
.section-head.single { grid-template-columns: 1fr; }

/* ============================================================
   Stats / números
   ============================================================ */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(245,241,232,0.14);
}
.stat {
  padding: 48px 32px 48px 0;
  border-right: 1px solid rgba(245,241,232,0.14);
}
.stat:last-child { border-right: none; }
.stat .num {
  font-family: var(--font-serif);
  font-size: clamp(48px, 5vw, 80px);
  line-height: 1;
  color: var(--gold-400);
  margin-bottom: 12px;
}
.stat .num .italic { font-style: italic; }
.stat .label {
  font-size: 13px;
  color: rgba(245,241,232,0.7);
  line-height: 1.4;
  max-width: 22ch;
}

/* ============================================================
   Serviços (grid)
   ============================================================ */
.services {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1px;
  background: rgba(245,241,232,0.12);
  border: 1px solid rgba(245,241,232,0.12);
}
.service {
  background: var(--navy-900);
  padding: 40px 36px 44px;
  grid-column: span 4;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: background 0.4s var(--ease-out);
  position: relative;
}
.service:hover { background: var(--navy-800); }
.service .num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold-500);
}
.service h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 32px;
  line-height: 1.1;
  color: var(--bone);
  margin: 60px 0 16px;
}
.service h3 .italic { font-style: italic; color: var(--gold-400); }
.service p {
  font-size: 14px;
  color: rgba(245,241,232,0.65);
  line-height: 1.55;
  margin: 0;
}
.service .plus {
  position: absolute;
  top: 40px;
  right: 36px;
  width: 28px; height: 28px;
  color: var(--gold-500);
}

/* ============================================================
   Editorial / Sobre
   ============================================================ */
.editorial {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: start;
}
.editorial-text p {
  font-family: var(--font-serif);
  font-size: 22px;
  line-height: 1.5;
  color: var(--ink);
  margin: 0 0 24px;
}
.editorial-text p:first-of-type::first-letter {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 88px;
  float: left;
  line-height: 0.85;
  padding: 8px 14px 0 0;
  color: var(--gold-600);
}
.on-dark .editorial-text p { color: rgba(245,241,232,0.88); }
.on-dark .editorial-text p:first-of-type::first-letter { color: var(--gold-400); }

.editorial-visual {
  aspect-ratio: 4/5;
  background: var(--navy-800);
  position: relative;
  overflow: hidden;
}

/* ============================================================
   Clients
   ============================================================ */
.clients {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: clamp(24px, 3vw, 48px) clamp(32px, 5vw, 72px);
  padding: 48px 0;
  border-top: 1px solid rgba(10,26,51,0.12);
  border-bottom: 1px solid rgba(10,26,51,0.12);
}
.on-dark .clients {
  border-top-color: rgba(245,241,232,0.12);
  border-bottom-color: rgba(245,241,232,0.12);
}
/* Client logo: bounding box uniforme, img com height fixo + modifiers pra ratios extremos */
.client-logo {
  height: 64px;
  min-width: 80px;
  max-width: 200px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.3s var(--ease-out), filter 0.3s var(--ease-out), opacity 0.3s var(--ease-out);
  /* wordmark (texto) fallback */
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: 0.02em;
  color: rgba(10,26,51,0.6);
  font-style: italic;
}
.client-logo img {
  height: 38px;
  max-width: 180px;
  width: auto;
  object-fit: contain;
  filter: grayscale(1) contrast(0.85);
  opacity: 0.6;
  transition: filter 0.3s var(--ease-out), opacity 0.3s var(--ease-out);
}
/* Horizontais extremas (ratio alto): reduz altura pra não dominar */
.client-logo--compact img { height: 26px; }
/* Quadradas / baixo aspect ratio: aumenta altura pra equilibrar */
.client-logo--tall img { height: 54px; }

.client-logo:hover img { filter: none; opacity: 1; }

.on-dark .client-logo {
  color: rgba(245,241,232,0.55);
  font-style: normal;
  font-family: var(--font-sans);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 16px;
}
.on-dark .client-logo img {
  filter: grayscale(1) brightness(0) invert(1);
  opacity: 0.55;
}
.on-dark .client-logo:hover img { filter: none; opacity: 1; }

.client-logo:hover { color: var(--gold-600); }
.on-dark .client-logo:hover { color: var(--gold-400); }

/* ============================================================
   Footer
   ============================================================ */
.footer {
  background: var(--navy-900);
  color: var(--bone);
  padding-top: clamp(80px, 8vw, 120px);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: clamp(32px, 4vw, 64px);
  padding-bottom: 64px;
  border-bottom: 1px solid rgba(201,169,97,0.15);
}
.footer-cta-huge {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(40px, 5vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.015em;
}
.footer-cta-huge .italic { font-style: italic; color: var(--gold-500); }
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-500);
  margin-bottom: 22px;
  font-weight: 500;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  color: rgba(245,241,232,0.72);
  font-size: 14px;
  transition: color 0.3s var(--ease-out);
}
.footer-col a:hover { color: var(--gold-400); }
.footer-bottom {
  padding: 32px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(245,241,232,0.5);
}

/* ============================================================
   Placeholder de imagem (subtil, listrado)
   ============================================================ */
.ph {
  background:
    repeating-linear-gradient(135deg,
      rgba(201,169,97,0.08) 0 2px,
      transparent 2px 16px),
    linear-gradient(180deg, var(--navy-700), var(--navy-900));
  position: relative;
  color: rgba(201,169,97,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
}
.ph::before {
  content: attr(data-ph);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(201,169,97,0.55);
}
.ph.light {
  background:
    repeating-linear-gradient(135deg,
      rgba(10,26,51,0.05) 0 2px,
      transparent 2px 16px),
    var(--bone-100);
  color: rgba(10,26,51,0.4);
}
.ph.light::before { color: rgba(10,26,51,0.4); }

/* ============================================================
   Tweaks panel
   ============================================================ */
.tweak-panel {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 100;
  background: var(--navy-900);
  color: var(--bone);
  padding: 20px 22px;
  min-width: 280px;
  border: 1px solid rgba(201,169,97,0.25);
  box-shadow: 0 30px 60px rgba(5,16,31,0.4);
  display: none;
  font-family: var(--font-sans);
}
.tweak-panel.visible { display: block; }
.tweak-panel h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold-500);
  margin: 0 0 14px;
  font-weight: 500;
}
.tweak-group { margin-bottom: 16px; }
.tweak-group:last-child { margin-bottom: 0; }
.tweak-group .lbl {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(245,241,232,0.55);
  margin-bottom: 8px;
  display: block;
}
.tweak-options { display: flex; flex-direction: column; gap: 6px; }
.tweak-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  background: rgba(245,241,232,0.04);
  border: 1px solid transparent;
  color: var(--bone);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
  text-align: left;
}
.tweak-option:hover { background: rgba(245,241,232,0.08); }
.tweak-option.active {
  background: rgba(201,169,97,0.12);
  border-color: var(--gold-500);
  color: var(--gold-300);
}
.tweak-option .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(245,241,232,0.3);
}
.tweak-option.active .dot { background: var(--gold-500); }

/* ============================================================
   Hero variants — toggled by [data-variant] on <body>
   ============================================================ */

/* Variante B — Cinematográfico */
body[data-variant="cinema"] .hero {
  background: var(--navy-900);
  color: var(--bone);
  padding: 0;
  min-height: 92vh;
  display: flex;
  align-items: center;
  position: relative;
}
body[data-variant="cinema"] .hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 70% 40%, rgba(26, 51, 96, 0.6), transparent 60%),
    repeating-linear-gradient(90deg, transparent 0 80px, rgba(201,169,97,0.04) 80px 81px),
    linear-gradient(180deg, var(--navy-900), #020812);
}
body[data-variant="cinema"] .hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 30% 70%, rgba(201,169,97,0.08), transparent 40%);
}
body[data-variant="cinema"] .hero-grid {
  position: relative;
  z-index: 2;
  grid-template-columns: 1fr;
  max-width: 1100px;
  margin: 0 auto;
  padding: clamp(80px, 10vw, 140px) clamp(20px, 4vw, 48px);
  gap: 48px;
}
body[data-variant="cinema"] .hero h1 {
  color: var(--bone);
  font-size: clamp(72px, 10vw, 180px);
  text-align: center;
  line-height: 0.95;
}
body[data-variant="cinema"] .hero h1 .italic { color: var(--gold-400); }
body[data-variant="cinema"] .hero-visual { display: none; }
body[data-variant="cinema"] .hero-meta {
  grid-template-columns: repeat(3, 1fr);
  justify-content: center;
  text-align: center;
  gap: 32px;
  color: rgba(245,241,232,0.6);
  border-color: rgba(245,241,232,0.18);
  max-width: 800px;
  margin: 64px auto 0;
}
body[data-variant="cinema"] .hero-meta .label { color: var(--gold-400); }
body[data-variant="cinema"] .hero-actions { justify-content: center; display: flex; gap: 16px; }

/* Variante C — Moderno técnico */
body[data-variant="tech"] .hero {
  background: var(--bone);
  padding: clamp(48px, 6vw, 96px) 0;
}
body[data-variant="tech"] .hero-grid {
  grid-template-columns: 1fr;
  gap: 32px;
}
body[data-variant="tech"] .hero h1 {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: clamp(56px, 7vw, 120px);
  letter-spacing: -0.035em;
  line-height: 0.95;
}
body[data-variant="tech"] .hero h1 .italic {
  font-style: normal;
  font-family: var(--font-serif);
  font-weight: 400;
  color: var(--gold-600);
  letter-spacing: -0.02em;
}
body[data-variant="tech"] .hero-visual {
  aspect-ratio: 21/9;
  margin-top: 24px;
}
body[data-variant="tech"] .hero-meta {
  grid-template-columns: repeat(4, 1fr);
  margin-top: 40px;
  gap: 20px 32px;
}

/* ============================================================
   Grid utilitário responsivo
   ============================================================ */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
}
.grid-3.dark-divide { background: rgba(245,241,232,0.14); border: 1px solid rgba(245,241,232,0.14); }
.grid-3.light-divide { background: rgba(10,26,51,0.12); border: 1px solid rgba(10,26,51,0.12); }

/* ============================================================
   Mobile nav toggle
   ============================================================ */
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  background: transparent; border: 1px solid rgba(245,241,232,0.2);
  color: var(--bone);
  cursor: pointer;
  transition: border-color 0.2s var(--ease-out), background 0.2s var(--ease-out);
}
.nav-toggle:hover { border-color: var(--gold-500); }
.nav-toggle svg { width: 18px; height: 18px; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-open { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

/* ============================================================
   Responsivo
   ============================================================ */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .section-head { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .service { grid-column: span 12; min-height: 240px; }
  .editorial { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr; }

  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch;
    gap: 0;
    background: var(--navy-900);
    border-top: 1px solid rgba(201,169,97,0.16);
    border-bottom: 1px solid rgba(201,169,97,0.16);
    padding: 8px 0;
  }
  .nav-links.open { display: flex; }
  .nav-links a {
    padding: 18px clamp(20px, 4vw, 48px);
    font-size: 14px;
    border-bottom: 1px solid rgba(245,241,232,0.06);
  }
  .nav-links a:last-child { border-bottom: none; }
  .nav-links a.active::after { display: none; }
  .nav .inner { position: relative; }

  /* Hero visual iframe aspect on mobile */
  .hero-visual { margin-top: 32px; }
}
@media (max-width: 600px) {
  .footer-top { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
}