/* ==========================================================================
   Coffee Up — Design System
   ========================================================================== */

:root {
  /* Cores — paleta Coffee Up (laranja queimado + grafite + creme) */
  --bg-primary: #363435;
  --bg-secondary: #1f1f1f;
  --bg-elevated: #444243;
  --bg-cream: #f5f1ea;
  --bg-cream-soft: #ebe5da;

  --text-on-dark: #f5f1ea;
  --text-on-dark-muted: #b8b3ab;
  --text-on-light: #1f1f1f;
  --text-on-light-muted: #5a5550;

  --accent: #e68b3d;
  --accent-hover: #f29c4d;
  --accent-deep: #c2702c;

  --border-subtle: rgba(245, 241, 234, 0.12);
  --border-strong: rgba(245, 241, 234, 0.24);
  --border-light: rgba(31, 31, 31, 0.12);

  /* Tipografia */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Escala tipográfica (1.25 modular) */
  --fs-overline: 0.75rem;
  --fs-caption: 0.875rem;
  --fs-body: 1rem;
  --fs-body-lg: 1.125rem;
  --fs-h4: 1.25rem;
  --fs-h3: 1.5rem;
  --fs-h2: 2rem;
  --fs-h1: 2.5rem;
  --fs-display: clamp(2.5rem, 6vw + 1rem, 5rem);

  /* Spacing — sistema 8pt */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 1rem;
  --sp-4: 1.5rem;
  --sp-5: 2rem;
  --sp-6: 3rem;
  --sp-7: 4rem;
  --sp-8: 6rem;
  --sp-9: 8rem;

  /* Radii */
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 16px;
  --r-full: 999px;

  /* Sombras */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.18);

  /* Motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast: 200ms;
  --dur-mid: 400ms;
  --dur-slow: 600ms;

  /* Layout */
  --container: 1200px;
  --container-narrow: 880px;
}

/* ==========================================================================
   Reset
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--text-on-dark);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, picture, svg, video { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ==========================================================================
   Tipografia
   ========================================================================== */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.display {
  font-family: var(--font-display);
  font-size: var(--fs-display);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.03em;
}

.h1 { font-size: var(--fs-h1); }
.h2 { font-size: clamp(1.75rem, 3vw + 0.5rem, 2.75rem); }
.h3 { font-size: var(--fs-h3); }

.overline {
  font-family: var(--font-body);
  font-size: var(--fs-overline);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 500;
  color: var(--accent);
}

.lead {
  font-size: var(--fs-body-lg);
  line-height: 1.6;
  color: var(--text-on-dark-muted);
  max-width: 56ch;
}

.muted { color: var(--text-on-dark-muted); }

/* ==========================================================================
   Layout
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--sp-4);
}
.container-narrow { max-width: var(--container-narrow); }

section {
  padding: var(--sp-8) 0;
}

@media (min-width: 768px) {
  section { padding: var(--sp-9) 0; }
  .container { padding: 0 var(--sp-6); }
}

/* Backgrounds alternados */
.bg-cream {
  background: var(--bg-cream);
  color: var(--text-on-light);
}
.bg-cream .lead,
.bg-cream .muted { color: var(--text-on-light-muted); }
.bg-cream .overline { color: var(--accent-deep); }

.bg-secondary { background: var(--bg-secondary); }

/* ==========================================================================
   Announcement bar
   ========================================================================== */

.announcement {
  background: var(--bg-secondary);
  color: var(--text-on-dark);
  font-size: var(--fs-overline);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  text-align: center;
  padding: 10px var(--sp-3);
  border-bottom: 1px solid var(--border-subtle);
}
.announcement strong {
  color: var(--accent);
  font-weight: 600;
}
.announcement-sep {
  display: inline-block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  margin: 0 var(--sp-2);
  vertical-align: middle;
  opacity: 0.6;
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #363435;
  border-bottom: 1px solid var(--border-subtle);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--sp-3) var(--sp-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
}
@media (min-width: 768px) {
  .nav-inner { padding: var(--sp-4) var(--sp-6); }
}

.brand {
  display: flex;
  align-items: center;
  height: 64px;
  padding: 4px 0;
  flex-shrink: 0;
}
.brand-img {
  height: 100%;
  width: auto;
  display: block;
}
@media (min-width: 768px) {
  .brand { height: 72px; }
}
.footer .brand { height: 72px; }

.nav-links {
  display: none;
  gap: var(--sp-5);
}
.nav-links a {
  font-size: var(--fs-caption);
  font-weight: 500;
  color: var(--text-on-dark-muted);
  transition: color var(--dur-fast) var(--ease);
  position: relative;
  padding: var(--sp-1) 0;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--text-on-dark);
}
.nav-links a.active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 2px;
  background: var(--accent);
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--sp-2);
  margin-right: -8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-on-dark);
  transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  display: none;
  flex-direction: column;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-4) var(--sp-5);
  border-top: 1px solid var(--border-subtle);
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  font-size: var(--fs-body-lg);
  font-family: var(--font-display);
  padding: var(--sp-2) 0;
}

@media (min-width: 768px) {
  .nav-links { display: flex; }
  .nav-toggle { display: none; }
  .nav-mobile { display: none !important; }
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 0.875rem 1.75rem;
  font-size: var(--fs-caption);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--r-full);
  transition: transform var(--dur-fast) var(--ease),
              background var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease);
  min-height: 44px;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: var(--bg-primary);
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-ghost {
  background: transparent;
  color: var(--text-on-dark);
  border: 1px solid var(--border-strong);
}
.btn-ghost:hover {
  background: rgba(245, 237, 224, 0.06);
  border-color: var(--text-on-dark);
}
.bg-cream .btn-ghost {
  color: var(--text-on-light);
  border-color: var(--border-light);
}
.bg-cream .btn-ghost:hover {
  background: rgba(26, 15, 10, 0.04);
  border-color: var(--text-on-light);
}

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-caption);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  transition: gap var(--dur-fast) var(--ease);
}
.btn-link:hover { gap: var(--sp-3); }
.btn-link::after { content: '→'; }

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  padding: var(--sp-8) 0 var(--sp-9);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 100%;
  background: radial-gradient(circle, var(--accent) 0%, transparent 60%);
  opacity: 0.15;
  pointer-events: none;
}
.hero-content {
  position: relative;
  display: grid;
  gap: var(--sp-5);
  max-width: 720px;
}
.hero-content .overline { margin-bottom: var(--sp-2); }
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-top: var(--sp-3);
}

@media (min-width: 1024px) {
  .hero { padding: var(--sp-9) 0; }
}

/* Hero com imagem em duas colunas */
.hero-split {
  position: relative;
  display: grid;
  gap: var(--sp-6);
  align-items: center;
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .hero-split {
    grid-template-columns: 1.1fr 1fr;
    gap: var(--sp-7);
  }
}
.hero-split .hero-content { max-width: 560px; }
.hero-visual {
  position: relative;
  aspect-ratio: 4 / 5;
  background: var(--bg-secondary);
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}
.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.35) 100%);
  pointer-events: none;
}

/* Imagem de processo (full width com texto ao lado) */
.split {
  display: grid;
  gap: var(--sp-6);
  align-items: center;
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .split { grid-template-columns: 1fr 1fr; gap: var(--sp-7); }
  .split.reverse > :first-child { order: 2; }
}
.split-image {
  aspect-ratio: 4 / 5;
  background: var(--bg-elevated);
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}
.split-image img { width: 100%; height: 100%; object-fit: cover; }
.split-content { display: grid; gap: var(--sp-3); }

/* ==========================================================================
   Section header
   ========================================================================== */

.section-head {
  display: grid;
  gap: var(--sp-3);
  max-width: var(--container-narrow);
  margin: 0 auto var(--sp-6);
  text-align: center;
}
.section-head .overline {
  display: block;
}
.section-head.left {
  text-align: left;
  margin: 0 0 var(--sp-6);
}

/* ==========================================================================
   Pillars (3 colunas)
   ========================================================================== */

.pillars {
  display: grid;
  gap: var(--sp-5);
}
.pillar {
  display: grid;
  gap: var(--sp-3);
  padding: var(--sp-5) 0;
  border-top: 1px solid var(--border-light);
}
.bg-secondary .pillar,
.hero + section:not(.bg-cream) .pillar { border-color: var(--border-subtle); }
.pillar-num {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  color: var(--accent-deep);
  font-style: italic;
}
.bg-primary .pillar-num,
.bg-secondary .pillar-num { color: var(--accent); }

@media (min-width: 768px) {
  .pillars {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-5);
  }
}

/* ==========================================================================
   Product card
   ========================================================================== */

.products-grid {
  display: grid;
  gap: var(--sp-5);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .products-grid { grid-template-columns: repeat(3, 1fr); }
}

.product-card {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  transition: transform var(--dur-mid) var(--ease);
}
.product-card:hover { transform: translateY(-4px); }

.product-image {
  position: relative;
  aspect-ratio: 4 / 5;
  background: var(--bg-elevated);
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}
.bg-cream .product-image {
  background: var(--bg-cream-soft);
  border-color: var(--border-light);
}
.product-image:not(.has-img)::before {
  /* Placeholder visual quando não há foto */
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 40%, rgba(230, 139, 61, 0.18) 0%, transparent 60%),
    repeating-linear-gradient(45deg, transparent 0 12px, rgba(230, 139, 61, 0.05) 12px 13px);
}
.product-image:not(.has-img)::after {
  content: '☕';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  opacity: 0.25;
}
.product-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease);
}
.product-card:hover .product-image img { transform: scale(1.04); }

/* Quantidade de pacotes (badge no canto direito) */
.product-qty {
  position: absolute;
  top: var(--sp-3);
  right: var(--sp-3);
  z-index: 1;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.product-tag {
  position: absolute;
  top: var(--sp-3);
  left: var(--sp-3);
  background: var(--bg-primary);
  color: var(--accent);
  font-size: var(--fs-overline);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--r-full);
  z-index: 1;
}

.product-meta {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-overline);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-on-dark-muted);
}
.bg-cream .product-meta { color: var(--text-on-light-muted); }
.product-meta span:not(:last-child)::after {
  content: '•';
  margin-left: var(--sp-2);
  opacity: 0.5;
}

.product-name {
  font-family: var(--font-display);
  font-size: var(--fs-h4);
  font-weight: 500;
  line-height: 1.2;
}
.product-notes {
  font-size: var(--fs-caption);
  color: var(--text-on-dark-muted);
}
.bg-cream .product-notes { color: var(--text-on-light-muted); }

.product-shipping {
  font-size: var(--fs-overline);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}
.product-shipping.free { color: var(--accent); }
.product-shipping.free::before {
  content: '✓';
  font-weight: 700;
}
.product-shipping.paid {
  color: var(--text-on-dark-muted);
  font-weight: 500;
}
.bg-cream .product-shipping.paid { color: var(--text-on-light-muted); }

.product-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  padding-top: var(--sp-2);
  margin-top: auto;
}
.product-price {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 400;
}
.product-price small {
  font-family: var(--font-body);
  font-size: var(--fs-caption);
  color: var(--text-on-dark-muted);
  font-weight: 400;
  margin-left: 4px;
}
.bg-cream .product-price small { color: var(--text-on-light-muted); }

.product-buy {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: transform var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.product-buy:hover {
  background: var(--accent-hover);
  transform: scale(1.08);
}

/* ==========================================================================
   Modalidades (3 caminhos)
   ========================================================================== */

.modes-grid {
  display: grid;
  gap: var(--sp-4);
}
@media (min-width: 768px) {
  .modes-grid { grid-template-columns: repeat(3, 1fr); }
}

.mode-card {
  position: relative;
  padding: var(--sp-5);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  min-height: 320px;
  transition: transform var(--dur-mid) var(--ease), border-color var(--dur-fast) var(--ease);
}
.mode-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
}
.bg-cream .mode-card {
  background: var(--bg-cream-soft);
  border-color: var(--border-light);
}
.mode-card .btn-link { margin-top: auto; }
.mode-card.featured {
  background: linear-gradient(160deg, var(--accent-deep) 0%, var(--bg-secondary) 100%);
  border-color: var(--accent);
}

/* ==========================================================================
   Plans (assinatura)
   ========================================================================== */

.plans-grid {
  display: grid;
  gap: var(--sp-4);
}
@media (min-width: 768px) {
  .plans-grid { grid-template-columns: repeat(3, 1fr); }
}

.plan-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  transition: transform var(--dur-mid) var(--ease), border-color var(--dur-fast) var(--ease);
}
.plan-card:hover {
  transform: translateY(-4px);
}
.plan-card.featured {
  background: var(--bg-cream);
  color: var(--text-on-light);
  border-color: var(--accent);
  position: relative;
}
.plan-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--bg-primary);
  font-size: var(--fs-overline);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: var(--r-full);
  white-space: nowrap;
}
.plan-name {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 500;
}
.plan-price {
  display: flex;
  align-items: baseline;
  gap: var(--sp-2);
}
.plan-price .amount {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 400;
  line-height: 1;
}
.plan-price .period {
  font-size: var(--fs-caption);
  color: var(--text-on-dark-muted);
}
.plan-card.featured .plan-price .period { color: var(--text-on-light-muted); }
.plan-features {
  display: grid;
  gap: var(--sp-2);
  font-size: var(--fs-caption);
}
.plan-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-2);
  line-height: 1.5;
}
.plan-features li::before {
  content: '✓';
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}
.plan-card.featured .plan-features li::before { color: var(--accent-deep); }
.plan-card .btn { margin-top: auto; }

/* ==========================================================================
   Steps (como funciona)
   ========================================================================== */

.steps {
  display: grid;
  gap: var(--sp-5);
  counter-reset: step;
}
@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-6);
  }
}
.step {
  display: grid;
  gap: var(--sp-3);
  position: relative;
}
.step-num {
  font-family: var(--font-display);
  font-size: 3.5rem;
  line-height: 1;
  color: var(--accent);
  font-weight: 300;
  font-style: italic;
}

/* ==========================================================================
   Quote / depoimento
   ========================================================================== */

.quote {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: var(--sp-6) var(--sp-3);
}
.quote-mark {
  font-family: var(--font-display);
  font-size: 5rem;
  line-height: 1;
  color: var(--accent);
  margin-bottom: var(--sp-3);
}
.quote-text {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2vw + 1rem, 2.25rem);
  line-height: 1.3;
  font-weight: 300;
  font-style: italic;
  margin-bottom: var(--sp-4);
}
.quote-author {
  font-size: var(--fs-caption);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-on-dark-muted);
}

/* ==========================================================================
   CTA section
   ========================================================================== */

.cta {
  text-align: center;
  padding: var(--sp-8) var(--sp-3);
  background: linear-gradient(160deg, var(--accent-deep) 0%, var(--bg-primary) 100%);
  border-radius: var(--r-lg);
  margin: var(--sp-7) auto;
  max-width: var(--container);
}
.cta .container { padding: 0; }
.cta .display { margin-bottom: var(--sp-3); }
.cta .lead { margin: 0 auto var(--sp-5); }

/* ==========================================================================
   Filters (página unidade)
   ========================================================================== */

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-bottom: var(--sp-6);
  justify-content: center;
}
.filter-chip {
  padding: 0.625rem 1.25rem;
  border-radius: var(--r-full);
  border: 1px solid var(--border-light);
  font-size: var(--fs-caption);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-on-light-muted);
  background: transparent;
  transition: all var(--dur-fast) var(--ease);
  min-height: 40px;
}
.filter-chip:hover {
  border-color: var(--text-on-light);
  color: var(--text-on-light);
}
.filter-chip.active {
  background: var(--bg-primary);
  color: var(--text-on-dark);
  border-color: var(--bg-primary);
}

/* ==========================================================================
   FAQ (assinatura)
   ========================================================================== */

.faq-list {
  display: grid;
  gap: 0;
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--border-light);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: var(--sp-4) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  font-family: var(--font-display);
  font-size: var(--fs-h4);
  font-weight: 500;
  transition: color var(--dur-fast) var(--ease);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--accent-deep);
  transition: transform var(--dur-fast) var(--ease);
  flex-shrink: 0;
}
.faq-item[open] summary::after {
  transform: rotate(45deg);
}
.faq-item summary:hover { color: var(--accent-deep); }
.faq-answer {
  padding: 0 0 var(--sp-4);
  color: var(--text-on-light-muted);
  line-height: 1.7;
  max-width: 65ch;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  background: var(--bg-secondary);
  padding: var(--sp-7) 0 var(--sp-4);
  border-top: 1px solid var(--border-subtle);
}
.footer-grid {
  display: grid;
  gap: var(--sp-5);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--sp-6);
  }
}
.footer-brand { max-width: 320px; }
.footer-brand .brand { margin-bottom: var(--sp-3); }
.footer-col h5 {
  font-family: var(--font-body);
  font-size: var(--fs-overline);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 500;
  color: var(--text-on-dark-muted);
  margin-bottom: var(--sp-3);
}
.footer-col ul { display: grid; gap: var(--sp-2); }
.footer-col a {
  font-size: var(--fs-caption);
  color: var(--text-on-dark-muted);
  transition: color var(--dur-fast) var(--ease);
}
.footer-col a:hover { color: var(--text-on-dark); }
.footer-bottom {
  margin-top: var(--sp-6);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--border-subtle);
  font-size: var(--fs-overline);
  color: var(--text-on-dark-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--sp-3);
}

/* ==========================================================================
   Reveal on scroll
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Focus visível (a11y)
   ========================================================================== */

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

/* Prefers reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}