/* ===========================================================
   Cartier Residence — Meia Praia, Itapema | CNA Construtora
   =========================================================== */

:root {
  --ivory: #f6f2ea;
  --ivory-warm: #efe8d9;
  --sand: #ddd0b6;
  --ink: #211d17;
  --ink-soft: #3a352c;
  --wood: #4a3626;
  --wood-deep: #2b1d14;
  --graphite: #29271f;
  --champagne: #a68a5b;
  --champagne-soft: #cbb587;
  --line: #d8cbae;
  --white: #ffffff;
  --radius: 2px;
  --transition: 340ms cubic-bezier(.4,0,.2,1);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "Cormorant Garamond", Georgia, serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; background: var(--ivory); color: var(--ink-soft);
  font-family: var(--font); font-size: 16px; line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 700; letter-spacing: -0.01em; line-height: 1.12; color: var(--ink); margin: 0 0 0.32em; }
h3 { font-weight: 600; }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; }
::selection { background: var(--champagne-soft); color: var(--ink); }
:focus-visible { outline: 2px solid var(--champagne); outline-offset: 3px; border-radius: 2px; }

.skip-link {
  position: absolute; left: -9999px; top: 0; background: var(--ink); color: #fff;
  padding: 14px 22px; z-index: 200; border-radius: 0 0 6px 0;
}
.skip-link:focus { left: 0; }

.container { width: 100%; max-width: 1320px; margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 680px; }
.center { text-align: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  text-transform: uppercase; letter-spacing: 0.22em; font-size: 0.68rem; font-weight: 600;
  color: var(--champagne); margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: currentColor; }
.eyebrow-dark { color: var(--champagne-soft); }
.center .eyebrow { justify-content: center; }

.lead { max-width: 52ch; color: var(--ink-soft); font-size: 1.02rem; line-height: 1.8; }
.lead-sm { color: var(--ink-soft); font-size: 0.96rem; line-height: 1.75; max-width: 42ch; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 15px 30px; border-radius: var(--radius); font-weight: 600; font-size: 0.76rem;
  letter-spacing: 0.06em; text-transform: uppercase;
  border: 1px solid transparent; cursor: pointer; white-space: nowrap;
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
}
.btn-ink { background: var(--ink); color: var(--ivory); }
.btn-ink:hover { background: var(--wood); }
.btn-gold { background: var(--champagne); color: #fff; }
.btn-gold:hover { background: var(--champagne-soft); }
.btn-line-light { background: transparent; border-color: rgba(255,255,255,0.55); color: #fff; }
.btn-line-light:hover { background: #fff; color: var(--ink); }
.btn-text {
  background: transparent; border: none; padding: 0; text-transform: none; letter-spacing: 0;
  color: rgba(255,255,255,0.9); font-size: 0.92rem; font-weight: 500;
  border-bottom: 1px solid rgba(255,255,255,0.45); border-radius: 0; padding-bottom: 2px;
  transition: color var(--transition), border-color var(--transition);
}
.btn-text:hover { color: var(--champagne-soft); border-color: var(--champagne-soft); }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  background: transparent; border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition);
}
.header.is-solid { background: rgba(246,242,234,0.94); backdrop-filter: blur(10px); border-bottom-color: var(--line); }
.header-row { display: flex; align-items: center; justify-content: space-between; padding: 26px 24px; gap: 24px; }
.header-logo { font-family: var(--font-display); font-weight: 600; font-size: 1.5rem; letter-spacing: 0.01em; color: #fff; transition: color var(--transition); }
.header-logo span { font-style: italic; font-weight: 500; color: var(--champagne-soft); margin-left: 6px; }
.header.is-solid .header-logo { color: var(--ink); }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; color: #fff; overflow: hidden; }
.hero-media { position: absolute; inset: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: center 38%; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(20,17,12,0.5) 0%, rgba(20,17,12,0.05) 32%, rgba(20,17,12,0.1) 55%, rgba(20,17,12,0.75) 100%); }
.hero-content { position: relative; z-index: 1; padding: 40px 24px; margin-top: 64px; max-width: 720px; }
.hero-eyebrow { font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.24em; color: var(--champagne-soft); margin-bottom: 22px; }
.hero h1 { color: #fff; font-size: clamp(2.6rem, 6.4vw, 4.4rem); line-height: 1.06; }
.hero h1 span { display: block; font-style: italic; font-weight: 700; }
.text-gold { color: var(--champagne-soft); }
.hero-sub { max-width: 42ch; font-size: 1.06rem; line-height: 1.7; color: rgba(255,255,255,0.82); margin: 22px 0 0; }
.hero-facts { font-size: 0.82rem; font-weight: 500; letter-spacing: 0.05em; color: rgba(255,255,255,0.6); margin: 18px 0 0; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 28px; margin-top: 34px; }

@media (min-width: 1024px) {
  .hero-content { padding-left: 8vw; }
}

/* ---------- Sections base ---------- */
.section-pad { padding: 116px 0; }

/* ---------- Manifesto ---------- */
.manifesto { padding: 120px 0; }
.manifesto-grid { display: grid; gap: 48px; }
.manifesto-text h2 { font-size: clamp(2rem, 3.6vw, 2.8rem); max-width: 16ch; }
.manifesto-media { position: relative; aspect-ratio: 3/4; overflow: hidden; }
.manifesto-media img { width: 100%; height: 100%; object-fit: cover; }

@media (min-width: 1024px) {
  .manifesto-grid { grid-template-columns: 1.3fr 0.85fr; align-items: center; gap: 80px; }
  .manifesto-media { aspect-ratio: 2/3; }
}

/* ---------- Números ---------- */
.numbers { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 56px 0; }
.numbers-row { display: flex; flex-wrap: wrap; gap: 32px 0; }
.number-item { display: flex; flex-direction: column; gap: 6px; flex: 1 1 40%; min-width: 140px; }
.number-item b { font-family: var(--font-display); font-weight: 600; font-size: 2.4rem; line-height: 1; color: var(--ink); }
.number-item span { font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-soft); }
.number-line { display: none; }

@media (min-width: 900px) {
  .numbers-row { flex-wrap: nowrap; align-items: center; }
  .number-item { flex: 1 1 auto; min-width: 0; }
  .number-line { display: block; width: 1px; height: 44px; background: var(--line); flex: none; }
}

/* ---------- Arquitetura ---------- */
.architecture { padding: 116px 0; background: var(--ivory-warm); }
.architecture > .container { margin-bottom: 56px; max-width: 720px; }
.architecture h2 { font-size: clamp(2rem, 3.6vw, 2.8rem); }
.architecture-grid { display: grid; gap: 20px; padding: 0 24px; max-width: 1320px; margin: 0 auto; }
.architecture-media-a { position: relative; aspect-ratio: 4/5; overflow: hidden; }
.architecture-media-b { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.architecture-media-a img, .architecture-media-b img { width: 100%; height: 100%; object-fit: cover; }
.architecture-caption { position: absolute; bottom: 16px; left: 18px; margin: 0; color: #fff; font-size: 0.78rem; letter-spacing: 0.03em; text-shadow: 0 1px 10px rgba(0,0,0,0.5); }

@media (min-width: 1024px) {
  .architecture-grid { grid-template-columns: 1fr 1.1fr; align-items: end; gap: 32px; }
}

/* ---------- Interior (alternância editorial) ---------- */
.interior { padding: 116px 0 0; }
.interior-head { margin-bottom: 64px; }
.interior-head h2 { font-size: clamp(2rem, 3.6vw, 2.8rem); }
.interior-row { display: flex; flex-direction: column; gap: 28px; padding: 0 24px; max-width: 1320px; margin: 0 auto 64px; }
.interior-media { position: relative; aspect-ratio: 4/3; overflow: hidden; }
.interior-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.8s cubic-bezier(.16,1,.3,1); }
.interior-media:hover img { transform: scale(1.03); }
.interior-label { font-family: var(--font-display); font-style: italic; font-weight: 600; font-size: 1.3rem; color: var(--champagne); margin-bottom: 10px; }
.interior-text { display: flex; flex-direction: column; justify-content: center; }

@media (min-width: 1024px) {
  .interior-row { flex-direction: row; align-items: center; gap: 64px; }
  .interior-row-a .interior-media { flex: 0 0 65%; }
  .interior-row-a .interior-text { flex: 1; }
  .interior-row-b { flex-direction: row-reverse; }
  .interior-row-b .interior-media { flex: 0 0 65%; }
  .interior-row-b .interior-text { flex: 1; }
}

/* ---------- Fino acabamento ---------- */
.finishes { background: var(--graphite); color: rgba(255,255,255,0.92); padding: 116px 0; }
.finishes h2 { color: #fff; font-size: clamp(2rem, 3.6vw, 2.8rem); max-width: 20ch; margin-bottom: 56px; }
.finishes-grid { display: grid; gap: 44px; }
.finishes-group h3 { color: var(--champagne-soft); font-size: 1.2rem; font-weight: 600; font-style: italic; margin-bottom: 18px; }
.finishes-group ul { list-style: none; border-top: 1px solid rgba(255,255,255,0.12); }
.finishes-group li { padding: 13px 0; border-bottom: 1px solid rgba(255,255,255,0.12); font-size: 0.92rem; color: rgba(255,255,255,0.78); }

@media (min-width: 900px) {
  .finishes-grid { grid-template-columns: repeat(3, 1fr); gap: 56px; }
}

/* ---------- Lazer (fluxo editorial) ---------- */
.leisure { padding: 116px 0; }
.leisure > .container { margin-bottom: 56px; max-width: 720px; }
.leisure h2 { font-size: clamp(2rem, 3.6vw, 2.8rem); }
.leisure-flow { display: flex; flex-direction: column; gap: 20px; padding: 0 24px; max-width: 1320px; margin: 0 auto; }
.leisure-frame { position: relative; overflow: hidden; }
.leisure-frame img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.8s cubic-bezier(.16,1,.3,1); }
.leisure-item:hover .leisure-frame img { transform: scale(1.03); }
.leisure-caption { margin: 14px 0 0; font-size: 0.78rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-soft); }
.leisure-a .leisure-frame { aspect-ratio: 16/8; }
.leisure-b { display: grid; gap: 20px; }
.leisure-b .leisure-frame { aspect-ratio: 4/3; }
.leisure-c .leisure-frame { aspect-ratio: 21/9; }

@media (min-width: 900px) {
  .leisure-b { grid-template-columns: 1fr 1fr; }
}

/* ---------- Galeria mosaico ---------- */
.gallery-section { padding: 116px 0; background: var(--ivory-warm); }
.gallery-section > .container { margin-bottom: 48px; max-width: 720px; }
.gallery-section h2 { font-size: clamp(2rem, 3.6vw, 2.8rem); }
.gallery-mosaic { display: grid; gap: 14px; padding: 0 24px; max-width: 1320px; margin: 0 auto; grid-template-columns: repeat(2, 1fr); }
.g-item { position: relative; overflow: hidden; border: none; padding: 0; cursor: pointer; background: none; display: block; width: 100%; }
.g-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.3s cubic-bezier(.16,1,.3,1); }
.g-item:hover img { transform: scale(1.045); }
.g-item::after { content: ""; position: absolute; inset: 0; background: rgba(20,17,12,0); transition: background var(--transition); }
.g-item:hover::after { background: rgba(20,17,12,0.08); }
.g-b { aspect-ratio: 3/4; }
.g-d { aspect-ratio: 3/4; }
.g-e { aspect-ratio: 4/3; grid-column: span 2; }
.g-f { aspect-ratio: 21/9; grid-column: span 2; }

@media (min-width: 900px) {
  .gallery-mosaic { grid-template-columns: repeat(6, 1fr); }
  .g-a { grid-column: span 3; }
  .g-b { grid-column: span 3; aspect-ratio: 3/4; }
  .g-c { grid-column: span 2; }
  .g-d { grid-column: span 2; aspect-ratio: 3/4; }
  .g-e { grid-column: span 2; aspect-ratio: 4/3; }
  .g-f { grid-column: span 6; aspect-ratio: 21/7; }
}

.lightbox {
  position: fixed; inset: 0; z-index: 200; display: none; flex-direction: column;
  background: rgba(20,17,12,0.98); backdrop-filter: blur(4px);
}
.lightbox.is-open { display: flex; }
.lightbox-top { display: flex; align-items: center; justify-content: space-between; padding: 18px 22px; }
.lightbox-counter { font-size: 0.82rem; color: rgba(255,255,255,0.7); }
.lightbox-close { width: 42px; height: 42px; border-radius: 50%; border: none; background: transparent; color: #fff; font-size: 1.4rem; cursor: pointer; transition: background var(--transition); }
.lightbox-close:hover { background: rgba(255,255,255,0.12); }
.lightbox-stage { position: relative; flex: 1; padding: 0 8px 24px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.lightbox-stage img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; }
.lightbox-nav {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 2;
  width: 46px; height: 46px; border-radius: 50%; border: none; background: rgba(255,255,255,0.12);
  color: #fff; font-size: 1.5rem; line-height: 1; cursor: pointer;
  display: flex; align-items: center; justify-content: center; transition: background var(--transition);
}
.lightbox-nav:hover { background: rgba(255,255,255,0.24); }
.lightbox-prev { left: 10px; }
.lightbox-next { right: 10px; }
@media (min-width: 768px) {
  .lightbox-prev { left: 28px; }
  .lightbox-next { right: 28px; }
  .lightbox-nav { width: 54px; height: 54px; }
}

/* ---------- Localização ---------- */
.location { padding: 116px 0; }
.location-grid { display: grid; gap: 40px; }
.location h2 { font-size: clamp(2rem, 3.6vw, 2.8rem); }
.location-address { font-style: normal; font-size: 1rem; line-height: 1.9; color: var(--ink-soft); border-top: 1px solid var(--line); padding-top: 24px; }

@media (min-width: 900px) {
  .location-grid { grid-template-columns: 1.4fr 1fr; align-items: start; gap: 80px; }
  .location-address { border-top: none; border-left: 1px solid var(--line); padding-top: 0; padding-left: 40px; }
}

/* ---------- CTA final ---------- */
.final-cta { position: relative; min-height: 72vh; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.final-cta-media { position: absolute; inset: 0; }
.final-cta-media img { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; }
.final-cta-overlay { position: absolute; inset: 0; background: rgba(18,15,11,0.5); }
.final-cta-content { position: relative; z-index: 1; text-align: center; padding: 0 24px; max-width: 640px; }
.final-cta-content h2 { color: #fff; font-size: clamp(1.9rem, 3.6vw, 2.7rem); margin-bottom: 32px; }

/* ---------- Formulário ---------- */
.form-section { background: var(--ivory-warm); padding: 116px 0; }
.form-grid { display: grid; gap: 48px; }
.form-intro { max-width: 380px; }
.form-intro h2 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); }
.lead-form { display: flex; flex-direction: column; gap: 22px; }
.form-row { display: grid; gap: 22px; }
@media (min-width: 640px) { .form-row { grid-template-columns: 1fr 1fr; } }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: 0.68rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-soft); }
.field input {
  background: transparent; border: none; border-bottom: 1px solid var(--sand);
  padding: 12px 0; font-size: 0.95rem; color: var(--ink); font-family: var(--font);
}
.field input::placeholder { color: #a89a7e; }
.field input:focus { outline: none; border-bottom-color: var(--champagne); }
.field-error { font-size: 0.74rem; color: #a04b3a; min-height: 1.2em; margin: 0; }
.field-consent { display: flex; align-items: flex-start; gap: 10px; font-size: 0.8rem; color: var(--ink-soft); line-height: 1.5; }
.field-consent input { margin-top: 3px; accent-color: var(--champagne); }
.form-microcopy { font-size: 0.78rem; line-height: 1.6; color: #8a7d63; margin: 0; }

@media (min-width: 1024px) {
  .form-grid { grid-template-columns: 5fr 7fr; align-items: start; }
}

/* ---------- Footer ---------- */
.footer { background: var(--ivory); border-top: 1px solid var(--line); padding: 52px 0 36px; }
.footer-row { display: flex; flex-direction: column; gap: 28px; justify-content: space-between; }
.footer-logo { font-family: var(--font-display); font-weight: 600; font-size: 1.35rem; color: var(--ink); margin: 0; }
.footer-logo span { font-style: italic; font-weight: 500; color: var(--champagne); }
.footer-meta { font-size: 0.82rem; color: var(--ink-soft); margin: 6px 0 0; }
.footer-links { display: flex; flex-direction: column; gap: 10px; font-size: 0.82rem; }
.footer-links a { color: var(--ink-soft); transition: color var(--transition); }
.footer-links a:hover { color: var(--ink); }
.footer-legal { border-top: 1px solid var(--line); margin-top: 32px; padding-top: 22px; font-size: 0.74rem; color: #8a7d63; }
.footer-legal p { margin: 0; }

@media (min-width: 900px) {
  .footer-row { flex-direction: row; }
  .footer-links { align-items: flex-end; }
}

/* ---------- WhatsApp + sticky CTA ---------- */
.whatsapp-fab {
  position: fixed; right: 24px; bottom: 24px; z-index: 80;
  width: 52px; height: 52px; border-radius: 50%; background: var(--ink); color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 30px rgba(0,0,0,0.22);
  opacity: 0; transform: translateY(10px); pointer-events: none;
  transition: opacity var(--transition), transform var(--transition), background var(--transition);
}
.whatsapp-fab.is-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.whatsapp-fab[hidden] { display: none; }
.whatsapp-fab:hover { background: var(--champagne); }
@media (max-width: 1023px) { .whatsapp-fab { bottom: 92px; } }

.sticky-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
  padding: 14px 16px calc(14px + env(safe-area-inset-bottom)); background: rgba(33,29,23,0.97); backdrop-filter: blur(10px);
  transform: translateY(100%); transition: transform var(--transition);
  border-top: 1px solid rgba(255,255,255,0.1);
}
.sticky-cta.is-visible { transform: translateY(0); }
@media (min-width: 1024px) { .sticky-cta { display: none; } }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 1s cubic-bezier(.16,1,.3,1), transform 1s cubic-bezier(.16,1,.3,1); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .interior-media img, .leisure-frame img, .g-item img { transition: none; }
}

/* ---------- Responsive base ---------- */
@media (max-width: 1023px) {
  .manifesto, .architecture, .interior, .finishes, .leisure, .gallery-section, .location, .form-section { padding: 76px 0; }
  .interior { padding-bottom: 12px; }
}