/* ===========================================================
   Noah Tower — Meia Praia, Itapema | Dallo Empreendimentos
   =========================================================== */

:root {
  --bg: #f8f5ee;
  --bg-alt: #eee7d8;
  --ink: #17191a;
  --ink-soft: #2b2d2b;
  --graphite: #52564f;
  --text-soft: #6d6f62;
  --line: #ded5bd;
  --forest: #1f3a2e;
  --coffee: #4a3728;
  --champagne: #a1895e;
  --champagne-soft: #c2ab7d;
  --white: #ffffff;
  --radius: 3px;
  --transition: 300ms cubic-bezier(.4,0,.2,1);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "Fraunces", Georgia, serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; background: var(--bg); color: var(--ink-soft);
  font-family: var(--font); font-size: 16px; line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
h1, h2 { font-family: var(--font-display); font-optical-sizing: auto; font-weight: 500; letter-spacing: -0.01em; line-height: 1.06; color: var(--ink); margin: 0 0 0.3em; }
p { margin: 0 0 1em; }
::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: 1360px; margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 720px; }
.container.wide { max-width: 1620px; }
.center { text-align: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  text-transform: uppercase; letter-spacing: 0.26em; font-size: 0.68rem; font-weight: 600;
  color: var(--forest); margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 24px; height: 1px; background: currentColor; }
.eyebrow-dark { color: var(--champagne-soft); }
.center .eyebrow { justify-content: center; }

.lead { max-width: 46ch; margin: 0 auto; color: var(--text-soft); font-size: 1rem; line-height: 1.8; }
.lead-sm { color: var(--text-soft); font-size: 0.96rem; line-height: 1.75; max-width: 46ch; }
.lead-dark { color: rgba(255,255,255,0.68); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 16px 30px; border-radius: var(--radius); font-weight: 600; font-size: 0.78rem;
  letter-spacing: 0.05em; text-transform: uppercase;
  border: none; cursor: pointer; white-space: nowrap;
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
}
.btn-primary { background: var(--ink); color: var(--bg); }
.btn-primary:hover { background: var(--forest); }
.btn-white { background: var(--white); color: var(--ink); }
.btn-white:hover { background: var(--champagne-soft); }
.btn-line { background: transparent; border: 1px solid rgba(255,255,255,0.4); color: #fff; }
.btn-line:hover { border-color: #fff; background: rgba(255,255,255,0.08); }
.btn-line-ink { background: transparent; border: 1px solid var(--ink); color: var(--ink); }
.btn-line-ink:hover { background: var(--ink); color: var(--bg); }
.btn-text {
  background: transparent; border: none; padding: 0; text-transform: none; letter-spacing: 0;
  color: rgba(255,255,255,0.88); font-size: 0.9rem; font-weight: 500;
  border-bottom: 1px solid rgba(255,255,255,0.4);
  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-text-ink { color: var(--ink); border-bottom: 1px solid var(--line); }
.btn-text-ink:hover { color: var(--forest); border-color: var(--forest); }
.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(248,245,238,0.94); backdrop-filter: blur(10px); border-bottom-color: var(--line); }
.header-row { display: flex; align-items: center; justify-content: space-between; padding: 22px 24px; gap: 20px; }
.header-logo { font-family: var(--font-display); font-size: 1.5rem; letter-spacing: 0.02em; color: #fff; transition: color var(--transition); }
.header.is-solid .header-logo { color: var(--ink); }
.header-nav { display: none; align-items: center; gap: 34px; }
.header-nav a { font-size: 0.8rem; font-weight: 500; letter-spacing: 0.01em; color: rgba(255,255,255,0.85); transition: color var(--transition); position: relative; }
.header.is-solid .header-nav a { color: var(--ink-soft); }
.header-nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -5px; height: 1px;
  background: currentColor; transition: right var(--transition);
}
.header-nav a:hover::after { right: 0; }
.header-nav a:hover { color: var(--champagne-soft); }
.header.is-solid .header-nav a:hover { color: var(--forest); }
.header .btn-header { padding: 11px 22px; background: var(--ink); color: var(--bg); }
.header .btn-header:hover { background: var(--champagne); color: #fff; }
.header.is-solid .btn-header { background: transparent; border: 1px solid var(--ink); color: var(--ink); }
.header.is-solid .btn-header:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.menu-toggle {
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  width: 40px; height: 40px; background: none; border: none; cursor: pointer; gap: 5px;
}
.menu-toggle span { width: 22px; height: 1px; background: #fff; transition: transform var(--transition), opacity var(--transition), background var(--transition); }
.header.is-solid .menu-toggle span { background: var(--ink); }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: 0; z-index: 99; background: var(--ink);
  display: flex; flex-direction: column; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity 380ms ease;
}
.mobile-menu.is-open { opacity: 1; pointer-events: auto; }
.mobile-menu nav { display: flex; flex-direction: column; gap: 4px; padding: 0 40px; }
.mobile-menu nav a { padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,0.1); font-family: var(--font-display); font-size: 1.7rem; color: #fff; }
.mobile-menu .btn { margin-top: 28px; }
.mobile-menu[hidden] { display: none; }

@media (min-width: 1024px) {
  .header-nav { display: flex; }
  .menu-toggle, .mobile-menu { display: none; }
}

/* ---------- Hero (mobile: foto cinematográfica full-bleed / desktop: painel dividido) ---------- */
.hero { position: relative; min-height: 100svh; display: flex; flex-direction: column; background: var(--ink); color: #fff; overflow: hidden; }
.hero-grid { flex: 1; position: relative; display: flex; flex-direction: column; min-height: 100svh; }
.hero-text { position: relative; z-index: 1; flex: 1; display: flex; flex-direction: column; justify-content: flex-end; padding: 120px 24px 64px; }
.hero-text-inner { max-width: 600px; }
.hero-kicker { font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.3em; color: var(--champagne-soft); margin-bottom: 24px; }
.hero h1 { color: #fff; font-size: clamp(2.4rem, 7vw, 4.6rem); line-height: 1.04; max-width: 14ch; }
.text-gold { color: var(--champagne-soft); }
.hero-brand { display: block; font-family: var(--font-display); font-size: clamp(1.6rem, 4.4vw, 2.6rem); letter-spacing: 0.06em; color: var(--champagne-soft); margin-top: 14px; }
.hero-sub { max-width: 40ch; font-size: 1.02rem; line-height: 1.65; color: rgba(255,255,255,0.78); margin: 20px 0 0; }
.hero-info { font-size: 0.82rem; font-weight: 500; letter-spacing: 0.06em; color: rgba(255,255,255,0.55); margin: 22px 0 0; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 30px; margin-top: 36px; }
.hero-media { position: absolute; inset: 0; z-index: 0; height: 100%; overflow: hidden; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; }
.hero-media-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(15,16,15,0.5) 0%, rgba(15,16,15,0.05) 32%, rgba(15,16,15,0.18) 55%, rgba(15,16,15,0.9) 100%); }

@media (min-width: 1024px) {
  .hero-grid { flex-direction: row; min-height: auto; }
  .hero-text { padding: 0 24px 0 7vw; order: 1; flex: 1 1 56%; justify-content: center; }
  .hero-media { position: relative; inset: auto; height: auto; order: 2; flex: 1 1 44%; }
  .hero-media-overlay { background: linear-gradient(90deg, rgba(23,25,26,0.55) 0%, rgba(23,25,26,0.05) 22%, rgba(23,25,26,0) 55%); }
}

/* ---------- Altura (transição vertical) ---------- */
.height-strip { background: var(--bg); border-bottom: 1px solid var(--line); padding: 34px 0; }
.height-row { display: flex; align-items: center; gap: 32px; }
.height-number { font-family: var(--font-display); font-size: clamp(2.6rem, 7vw, 4.4rem); line-height: 0.9; color: var(--ink); white-space: nowrap; margin: 0; }
.height-number span { font-size: 0.34em; color: var(--champagne); margin-left: 6px; }
.height-line { width: 1px; align-self: stretch; background: var(--line); flex: none; }
.height-caption { font-size: 1rem; color: var(--text-soft); max-width: 26ch; line-height: 1.5; margin: 0; }

/* ---------- Sections base ---------- */
.section { padding: 108px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--ink); color: #fff; }
.no-pad-top { padding-top: 0; }
.no-pad-bottom { padding-bottom: 0; }

/* ---------- Manifesto ---------- */
.manifesto-body { max-width: 66ch; margin: 0 auto; }
.manifesto-body h2 { font-size: clamp(1.9rem, 3.6vw, 2.9rem); }
.manifesto-body p { margin-top: 24px; }

/* ---------- Números ---------- */
.stats { border-top: 1px solid var(--line); background: var(--bg); padding: 52px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); }
.stat { padding: 22px 0; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 6px; }
.stat:nth-child(1), .stat:nth-child(2) { border-top: none; }
.stat b { font-family: var(--font-display); font-size: 2.2rem; line-height: 1; color: var(--ink); font-weight: 400; }
.stat-unit { font-size: 1rem; color: var(--forest); margin-left: 2px; font-family: var(--font); }
.stat span { font-size: 0.66rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-soft); }

@media (min-width: 700px) {
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
  .stat { padding: 0 26px; border-top: none; border-left: 1px solid var(--line); }
  .stat:nth-child(1) { border-left: none; }
}
@media (min-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(5, 1fr); }
  .stat b { font-size: 2.4rem; }
}

/* ---------- Arquitetura (sticky) ---------- */
.architecture { background: var(--ink); color: #fff; }
.architecture-grid { display: grid; }
.architecture-media { position: relative; aspect-ratio: 3/4; overflow: hidden; }
.architecture-media img { width: 100%; height: 100%; object-fit: cover; object-position: center 34%; }
.architecture-text { padding: 64px 24px; display: flex; align-items: center; }
.architecture-text-inner { max-width: 420px; }
.architecture-text h2 { color: #fff; font-size: clamp(1.9rem, 3.4vw, 2.7rem); }

@media (min-width: 1024px) {
  .architecture-grid { grid-template-columns: 1fr 1fr; }
  .architecture-media { aspect-ratio: auto; height: 100vh; position: sticky; top: 0; }
  .architecture-text { padding: 120px 64px; }
}

/* ---------- Residências ---------- */
.residences-grid { display: grid; gap: 48px; }
.residences-text h2 { font-size: clamp(1.9rem, 3.4vw, 2.7rem); max-width: 15ch; }
.residences-list { list-style: none; margin: 36px 0 0; padding: 0; border-top: 1px solid var(--line); max-width: 440px; }
.residences-list li { padding: 15px 0; border-bottom: 1px solid var(--line); font-size: 0.92rem; color: var(--ink-soft); }
.residences-media { position: relative; aspect-ratio: 4/5; overflow: hidden; }
.residences-media img { width: 100%; height: 100%; object-fit: cover; }

@media (min-width: 1024px) {
  .residences-grid { grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
}

/* ---------- Interiores (galeria editorial escalonada) ---------- */
.interiors-head { max-width: 620px; margin-bottom: 60px; }
.interiors-head h2 { font-size: clamp(1.9rem, 3.4vw, 2.9rem); }
.interiors-flow { display: flex; flex-direction: column; gap: 64px; }
.interiors-item { position: relative; }
.interiors-frame { position: relative; overflow: hidden; }
.interiors-frame img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.6s cubic-bezier(.16,1,.3,1); }
.interiors-frame:hover img { transform: scale(1.035); }
.interiors-caption { margin-top: 16px; font-size: 0.78rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-soft); }

.interiors-a .interiors-frame { aspect-ratio: 16/9; }
.interiors-b { display: grid; gap: 20px; }
.interiors-b .interiors-frame { aspect-ratio: 4/3; }
.interiors-c .interiors-frame { aspect-ratio: 21/9; }

@media (min-width: 900px) {
  .interiors-b { grid-template-columns: 1fr 1fr; }
  .interiors-b .interiors-item:nth-child(2) { margin-top: 56px; }
}

/* ---------- Imersiva ---------- */
.immersive { position: relative; min-height: 78vh; overflow: hidden; }
.immersive img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.immersive-overlay { position: absolute; inset: 0; background: rgba(15,16,15,0.28); }
.immersive-text {
  position: relative; z-index: 2; height: 100%; min-height: 78vh;
  display: flex; align-items: flex-end; padding: 0 24px 48px;
}
.immersive-text p { font-family: var(--font-display); font-style: italic; font-size: clamp(1.2rem, 2.4vw, 1.7rem); color: #fff; max-width: 20ch; margin: 0; }

@media (min-width: 1024px) { .immersive-text { padding: 0 64px 72px; } }

/* ---------- Lazer (categorias) ---------- */
.leisure { background: var(--ink); color: #fff; }
.leisure-intro { max-width: 640px; }
.leisure-intro h2 { color: #fff; font-size: clamp(1.9rem, 3.4vw, 2.9rem); max-width: 16ch; }
.leisure-categories { margin-top: 64px; display: flex; flex-direction: column; gap: 0; border-top: 1px solid rgba(255,255,255,0.14); }
.leisure-cat { padding: 40px 0; border-bottom: 1px solid rgba(255,255,255,0.14); display: grid; gap: 20px; }
.leisure-cat-label { font-family: var(--font-display); font-size: 1.7rem; color: var(--champagne-soft); }
.leisure-cat-items { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 12px 34px; }
.leisure-cat-items li { font-size: 0.92rem; color: rgba(255,255,255,0.78); }

@media (min-width: 800px) {
  .leisure-cat { grid-template-columns: 200px 1fr; align-items: baseline; }
}

/* ---------- Salão / Gourmet (composição sobreposta) ---------- */
.showcase { position: relative; }
.showcase-grid { position: relative; display: grid; gap: 32px; align-items: center; }
.showcase-media { position: relative; }
.showcase-media-a { position: relative; aspect-ratio: 4/3; overflow: hidden; }
.showcase-media-b { position: relative; aspect-ratio: 4/3; overflow: hidden; margin-top: 18px; }
.showcase-media img { width: 100%; height: 100%; object-fit: cover; }
.showcase-text { padding: 0; }
.showcase-text h2 { font-size: clamp(1.9rem, 3.4vw, 2.7rem); max-width: 16ch; }

@media (min-width: 1024px) {
  .showcase-grid { grid-template-columns: 5fr 7fr; gap: 56px; }
  .showcase-media-a { aspect-ratio: 4/5; }
  .showcase-media-b {
    position: absolute; left: 50%; bottom: -40px; width: 56%; aspect-ratio: 4/3; margin-top: 0;
    box-shadow: 0 30px 60px rgba(0,0,0,0.25); border: 6px solid var(--bg);
  }
}

/* ---------- Galeria + Lightbox ---------- */
.gallery-head { max-width: 620px; margin-bottom: 48px; }
.gallery-head h2 { font-size: clamp(1.9rem, 3.4vw, 2.9rem); }
.gallery-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.gallery-item { position: relative; overflow: hidden; border: none; padding: 0; cursor: pointer; background: none; display: block; width: 100%; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.3s cubic-bezier(.16,1,.3,1); }
.gallery-item:hover img { transform: scale(1.045); }
.gallery-item::after { content: ""; position: absolute; inset: 0; background: rgba(0,0,0,0); transition: background var(--transition); }
.gallery-item:hover::after { background: rgba(0,0,0,0.08); }
.g-c2 { grid-column: span 2; aspect-ratio: 21/9; }
.g-sq { aspect-ratio: 4/3; }
.g-tall { aspect-ratio: 3/4; }

@media (min-width: 1024px) {
  .gallery-grid { grid-template-columns: repeat(6, 1fr); gap: 16px; }
  .g-lg6 { grid-column: span 6; }
  .g-lg4 { grid-column: span 4; }
  .g-lg3 { grid-column: span 3; }
  .g-lg2 { grid-column: span 2; }
}

.lightbox {
  position: fixed; inset: 0; z-index: 200; display: none; flex-direction: column;
  background: rgba(15,16,15,0.98); 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-box {
  max-width: 460px; margin: 46px auto 0; padding: 32px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  display: flex; flex-direction: column; align-items: center; gap: 18px;
}
.location-address { display: flex; align-items: center; gap: 10px; font-size: 0.94rem; color: var(--ink-soft); }

/* ---------- CTA comercial ---------- */
.commercial-cta { background: var(--forest); color: #fff; padding: 96px 0; text-align: center; }
.commercial-cta h2 { color: #fff; font-size: clamp(1.9rem, 3.6vw, 2.9rem); max-width: 20ch; margin-left: auto; margin-right: auto; }
.commercial-cta .lead-dark { margin: 18px auto 0; }
.commercial-cta-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 18px; margin-top: 36px; }

/* ---------- Formulário ---------- */
.form-section { background: var(--ink); padding: 108px 0; color: #fff; }
.form-section h2 { color: #fff; }
.form-grid { display: grid; gap: 48px; }
.form-intro { max-width: 380px; }
.lead-form { display: flex; flex-direction: column; gap: 22px; }
.lead-form[hidden] { display: none; }
.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: 0.12em; color: rgba(255,255,255,0.55); }
.field input {
  background: transparent; border: none; border-bottom: 1px solid rgba(255,255,255,0.25);
  padding: 12px 0; font-size: 0.95rem; color: #fff; font-family: var(--font);
}
.field input::placeholder { color: rgba(255,255,255,0.32); }
.field input:focus { outline: none; border-bottom-color: var(--champagne); }
.field-error { font-size: 0.74rem; color: #e0a458; min-height: 1.2em; margin: 0; }
.field-consent { display: flex; align-items: flex-start; gap: 10px; font-size: 0.8rem; color: rgba(255,255,255,0.62); 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: rgba(255,255,255,0.45); margin: 0; }

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

/* ---------- Footer ---------- */
.footer { background: var(--bg); border-top: 1px solid var(--line); padding: 56px 0 40px; }
.footer-row { display: flex; flex-direction: column; gap: 28px; justify-content: space-between; }
.footer-logo { font-family: var(--font-display); font-size: 1.4rem; color: var(--ink); margin: 0; }
.footer-meta { font-size: 0.82rem; color: var(--text-soft); margin: 6px 0 0; }
.footer-links { display: flex; flex-direction: column; gap: 10px; font-size: 0.82rem; }
.footer-links a { color: var(--text-soft); transition: color var(--transition); }
.footer-links a:hover { color: var(--ink); }
.footer-legal { border-top: 1px solid var(--line); margin-top: 36px; padding-top: 24px; font-size: 0.74rem; color: var(--text-soft); line-height: 1.7; }
.footer-legal p { margin: 0 0 6px; }

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

/* ---------- CTA flutuante mobile + WhatsApp ---------- */
.sticky-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
  padding: 14px 16px; background: rgba(23,25,26,0.96); 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; } }

.whatsapp-fab {
  position: fixed; right: 24px; bottom: 24px; z-index: 80;
  width: 52px; height: 52px; border-radius: 50%; background: var(--forest); 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:hover { background: var(--champagne); }
@media (max-width: 1023px) { .whatsapp-fab { bottom: 92px; } }

/* ---------- Barra de progresso vertical (desktop) ---------- */
.scroll-progress {
  position: fixed; top: 0; right: 18px; bottom: 0; width: 2px; z-index: 70;
  background: rgba(0,0,0,0.06); display: none;
}
.scroll-progress-fill { width: 100%; height: 0%; background: var(--forest); transition: height 60ms linear; }
@media (min-width: 1280px) { .scroll-progress { display: block; } }
@media (prefers-reduced-motion: reduce) { .scroll-progress { 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; }
}

/* ---------- Responsive base ---------- */
@media (max-width: 1023px) {
  .section { padding: 76px 0; }
  .form-section { padding: 76px 0; }
  .commercial-cta { padding: 76px 0; }
}