/* VizinPets — Landing styles
 * Documento mestre: ../docs/brand/brand-guidelines.md
 */

/* ===== Tokens ===== */
:root {
  --vizin-moss: #2C3A2A;
  --vizin-moss-soft: #3A4A38;
  --vizin-sage: #8B9A6B;
  --vizin-sage-deep: #6B7A4F;
  --vizin-cream: #F2EBDC;
  --vizin-cream-soft: #E8DFC9;
  --vizin-terracotta: #C45A2E;
  --vizin-terracotta-soft: #D77855;
  --vizin-bark: #3E2F22;

  --gradient-warm-night: linear-gradient(180deg, #2C3A2A 0%, #1F2A1E 100%);

  --shadow-soft: 0 2px 8px rgba(44, 58, 42, 0.08);
  --shadow-medium: 0 6px 20px rgba(44, 58, 42, 0.15);
  --shadow-warm: 0 4px 18px rgba(196, 90, 46, 0.25);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  --container-max: 1140px;
  --gutter: clamp(1rem, 4vw, 2rem);
}

/* ===== Reset enxuto ===== */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
img, svg { display: block; max-width: 100%; height: auto; }
button { cursor: pointer; font: inherit; border: 0; background: none; }
a { color: inherit; text-decoration: none; }

/* ===== Tipografia ===== */
body {
  font-family: 'Nunito', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--vizin-bark);
  background: var(--vizin-cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
  font-family: 'Nunito', system-ui, sans-serif;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--vizin-bark);
}

h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.125rem, 2vw, 1.4rem); }

p { color: var(--vizin-bark); }
.muted { opacity: 0.75; }

/* ===== Layout helpers ===== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.section {
  padding-top: clamp(3rem, 8vw, 6rem);
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

.section--dark {
  background: var(--gradient-warm-night);
  color: var(--vizin-cream);
}
.section--dark h1, .section--dark h2, .section--dark h3, .section--dark p {
  color: var(--vizin-cream);
}

.section--soft { background: var(--vizin-cream-soft); }

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(242, 235, 220, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--vizin-cream-soft);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.025em;
  color: var(--vizin-moss);
}
.brand img,
.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: cover;
  box-shadow: var(--shadow-soft);
}
.brand-text-pets { color: var(--vizin-terracotta); }

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  font-weight: 600;
}
.nav-links a {
  color: var(--vizin-bark);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--vizin-terracotta); }

.nav-cta { display: inline-flex; }

@media (max-width: 720px) {
  .nav-links { display: none; }
}

/* ===== Botões ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 1rem;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.2s ease;
  cursor: pointer;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--vizin-terracotta);
  color: var(--vizin-cream);
  box-shadow: var(--shadow-warm);
}
.btn--primary:hover { background: var(--vizin-terracotta-soft); }

.btn--secondary {
  background: transparent;
  color: var(--vizin-cream);
  border: 2px solid var(--vizin-cream);
}
.btn--secondary:hover { background: var(--vizin-cream); color: var(--vizin-moss); }

.btn--ghost {
  background: transparent;
  color: var(--vizin-bark);
  border: 2px solid var(--vizin-bark);
}
.btn--ghost:hover { background: var(--vizin-bark); color: var(--vizin-cream); }

/* ===== Hero ===== */
.hero {
  background: var(--gradient-warm-night);
  color: var(--vizin-cream);
  padding-top: clamp(4rem, 10vw, 7rem);
  padding-bottom: clamp(4rem, 10vw, 7rem);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(2rem, 6vw, 4rem);
  align-items: center;
}

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--vizin-sage);
  margin-bottom: 1.25rem;
}

.hero h1 {
  color: var(--vizin-cream);
  margin-bottom: 1.5rem;
}
.hero h1 .accent { color: var(--vizin-terracotta); }

.hero-lead {
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--vizin-cream);
  opacity: 0.92;
  margin-bottom: 2rem;
  max-width: 32em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-art {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-art img {
  width: clamp(220px, 50%, 360px);
  height: auto;
  border-radius: 24px;
  filter: drop-shadow(0 12px 30px rgba(0, 0, 0, 0.35));
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
}

/* ===== Section "A unidade" (container mockup) ===== */
.unit {
  padding: clamp(3rem, 8vw, 6rem) 0;
  background: var(--vizin-cream);
  position: relative;
  overflow: hidden;
}
.unit-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(2rem, 6vw, 4rem);
  align-items: center;
}
@media (max-width: 860px) {
  .unit-grid { grid-template-columns: 1fr; }
}
.unit-text .eyebrow {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--vizin-sage-deep);
  margin-bottom: 0.85rem;
}
.unit-text h2 { margin-bottom: 1.2rem; }
.unit-text p { margin-bottom: 1.5rem; max-width: 32em; }
.unit-features {
  list-style: none;
}
.unit-features li {
  padding: 0.7rem 0 0.7rem 2rem;
  position: relative;
  border-bottom: 1px solid var(--vizin-cream-soft);
}
.unit-features li::before {
  content: "🐾";
  position: absolute;
  left: 0;
  top: 0.75rem;
  font-size: 1rem;
}
.unit-features li strong {
  color: var(--vizin-terracotta);
  font-weight: 800;
}

.unit-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-medium);
  background: var(--vizin-moss);
}
.unit-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.unit-figure figcaption {
  padding: 0.85rem 1.25rem;
  background: var(--vizin-moss);
  color: var(--vizin-cream);
  font-size: 0.85rem;
  opacity: 0.85;
  text-align: center;
}

/* ===== Pillars / Como funciona ===== */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}
@media (max-width: 760px) {
  .pillars { grid-template-columns: 1fr; }
}

.pillar {
  background: var(--vizin-cream);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--vizin-cream-soft);
  transition: transform 0.2s, box-shadow 0.2s;
}
.pillar:hover { transform: translateY(-3px); box-shadow: var(--shadow-medium); }

.pillar-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--vizin-sage);
  color: var(--vizin-cream);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}
.pillar-icon--accent { background: var(--vizin-terracotta); }

.pillar h3 { margin-bottom: 0.5rem; }

/* ===== Seções de conteúdo ===== */
.section-head {
  text-align: center;
  max-width: 42rem;
  margin: 0 auto 3rem;
}
.section-head .eyebrow {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--vizin-sage-deep);
  margin-bottom: 0.75rem;
}
.section--dark .section-head .eyebrow { color: var(--vizin-sage); }
.section-head h2 { margin-bottom: 0.85rem; }
.section-head p { font-size: 1.075rem; opacity: 0.88; }

/* ===== Para condomínios (split) ===== */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 4rem);
  align-items: center;
}
@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; }
}

.split ul {
  list-style: none;
  margin-top: 1.5rem;
}
.split li {
  padding: 0.6rem 0 0.6rem 1.75rem;
  position: relative;
  border-bottom: 1px solid var(--vizin-cream-soft);
}
.split li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0.55rem;
  color: var(--vizin-terracotta);
  font-weight: 800;
}

.split-art {
  background: var(--vizin-moss);
  color: var(--vizin-cream);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  text-align: center;
  box-shadow: var(--shadow-medium);
}
.split-art .number {
  font-size: 4rem;
  font-weight: 800;
  color: var(--vizin-terracotta);
  line-height: 1;
}
.split-art .label {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  margin-top: 0.5rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.split-art .desc {
  margin-top: 1.25rem;
  opacity: 0.85;
}

/* ===== FAQ ===== */
.faq {
  max-width: 720px;
  margin: 0 auto;
}
.faq details {
  background: var(--vizin-cream);
  border: 1px solid var(--vizin-cream-soft);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
  transition: box-shadow 0.2s;
}
.faq details[open] { box-shadow: var(--shadow-soft); }
.faq summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 1.05rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq summary::after {
  content: "+";
  font-size: 1.5rem;
  color: var(--vizin-terracotta);
  transition: transform 0.2s;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details > p {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--vizin-cream-soft);
  opacity: 0.85;
}

/* ===== CTA Final ===== */
.cta-final {
  background: var(--gradient-warm-night);
  color: var(--vizin-cream);
  text-align: center;
  padding: clamp(3rem, 8vw, 5rem) var(--gutter);
}
.cta-final h2 { color: var(--vizin-cream); margin-bottom: 1.25rem; }
.cta-final p { color: var(--vizin-cream); opacity: 0.9; max-width: 38em; margin: 0 auto 2rem; }
.cta-final .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

/* ===== Footer ===== */
.site-footer {
  background: #1F2A1E;
  color: var(--vizin-cream);
  padding: 3rem 0 1.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer-grid h4 {
  color: var(--vizin-sage);
  margin-bottom: 0.75rem;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 0.4rem; }
.footer-grid a { color: var(--vizin-cream); opacity: 0.85; transition: opacity 0.15s; }
.footer-grid a:hover { opacity: 1; }
.footer-tagline {
  font-style: italic;
  opacity: 0.8;
  margin-top: 0.5rem;
  max-width: 24em;
}
.footer-bottom {
  border-top: 1px solid rgba(242, 235, 220, 0.12);
  padding-top: 1.25rem;
  text-align: center;
  font-size: 0.875rem;
  opacity: 0.7;
}

/* ===== Utilitários ===== */
.text-center { text-align: center; }
.mt-3 { margin-top: 1.5rem; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}