/* ═══════════════════════════════════════════════════
   SOLUM LANDING — Design System
   Compartilhado por: index.html, privacidade.html, termos.html, contato.html
   Spec: docs/landing-prd.md
   ═══════════════════════════════════════════════════ */

:root {
  --c-canvas: #fafaf8;
  --c-paper: #ffffff;
  --c-fog: #f4f4f1;
  --c-line: #e6e6e2;
  --c-line-strong: #d2d2cc;
  --c-mute: #9a9a93;
  --c-soft: #6a6a64;
  --c-ink: #1a1a18;
  --c-deep: #0a0a08;

  --ease-out: cubic-bezier(0.32, 0.72, 0, 1);
  --ease-fast: cubic-bezier(0.4, 0, 0.2, 1);

  --shadow-soft: 0 1px 2px rgba(20,20,20,0.04), 0 4px 16px rgba(20,20,20,0.04);
  --shadow-card: 0 1px 3px rgba(20,20,20,0.05), 0 8px 32px rgba(20,20,20,0.06);
  --shadow-elevated: 0 4px 12px rgba(20,20,20,0.06), 0 24px 64px rgba(20,20,20,0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --c-canvas: #0e0e0d;
    --c-paper: #161614;
    --c-fog: #1a1a18;
    --c-line: #2a2a26;
    --c-line-strong: #3a3a34;
    --c-mute: #6a6a64;
    --c-soft: #9a9a93;
    --c-ink: #f2f2ee;
    --c-deep: #ffffff;
    --shadow-soft: 0 1px 2px rgba(0,0,0,0.3), 0 4px 16px rgba(0,0,0,0.2);
    --shadow-card: 0 1px 3px rgba(0,0,0,0.4), 0 8px 32px rgba(0,0,0,0.3);
    --shadow-elevated: 0 4px 12px rgba(0,0,0,0.4), 0 24px 64px rgba(0,0,0,0.4);
  }
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--c-canvas);
  color: var(--c-ink);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Global noise texture overlay */
body::before {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ── TYPOGRAPHY ── */

.display {
  font-size: clamp(48px, 7vw, 88px);
  font-weight: 200;
  letter-spacing: -0.045em;
  line-height: 1.05;
  color: var(--c-ink);
}
.h1 {
  font-size: clamp(36px, 4.5vw, 56px);
  font-weight: 200;
  letter-spacing: -0.04em;
  line-height: 1.1;
  color: var(--c-ink);
}
.h2 {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 300;
  letter-spacing: -0.035em;
  line-height: 1.15;
  color: var(--c-ink);
}
.h3 {
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--c-ink);
}
.body-lg {
  font-size: clamp(15px, 1.4vw, 18px);
  font-weight: 300;
  letter-spacing: -0.01em;
  line-height: 1.6;
  color: var(--c-soft);
}
.body {
  font-size: 15px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--c-soft);
}
.caption {
  font-size: 13px;
  font-weight: 400;
  color: var(--c-mute);
}
.eyebrow {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-mute);
}
.mono { font-family: 'JetBrains Mono', monospace; font-size: 13px; font-weight: 400; }

/* ── LAYOUT ── */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 80px;
  position: relative;
  z-index: 2;
}

section {
  padding: 160px 0;
  position: relative;
}

.section-fog { background: var(--c-fog); }
.section-deep { background: var(--c-deep); color: var(--c-canvas); }
.section-deep .h1, .section-deep .h2, .section-deep .h3 { color: var(--c-canvas); }
.section-deep .body, .section-deep .body-lg { color: rgba(255,255,255,0.6); }
.section-deep .eyebrow { color: rgba(255,255,255,0.4); }

/* ── TEXTURES ── */

.bg-grid {
  background-image:
    linear-gradient(to right, var(--c-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--c-line) 1px, transparent 1px);
  background-size: 32px 32px;
  background-position: 16px 16px;
}
.bg-grid::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 50%, transparent 0%, var(--c-canvas) 80%);
  pointer-events: none;
}
.section-fog.bg-grid::before {
  background: radial-gradient(ellipse 80% 60% at 50% 50%, transparent 0%, var(--c-fog) 80%);
}

.bg-dots {
  background-image: radial-gradient(circle, var(--c-line-strong) 1px, transparent 1px);
  background-size: 24px 24px;
}
.bg-dots::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 50%, transparent 0%, var(--c-fog) 80%);
  pointer-events: none;
}

.bg-radial {
  background: radial-gradient(ellipse 70% 50% at 50% 40%, var(--c-paper) 0%, var(--c-canvas) 70%);
}

.section-deep.bg-grid {
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-color: var(--c-deep);
}
.section-deep.bg-grid::before { background: radial-gradient(ellipse 70% 50% at 50% 50%, transparent 0%, var(--c-deep) 80%); }

/* ── NAV ── */

nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 64px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 80px;
  background: rgba(250,250,248,0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 240ms var(--ease-fast), background 240ms var(--ease-fast);
}
nav.scrolled {
  border-bottom-color: var(--c-line);
  background: rgba(250,250,248,0.85);
}
@media (prefers-color-scheme: dark) {
  nav { background: rgba(14,14,13,0.7); }
  nav.scrolled { background: rgba(14,14,13,0.85); }
}

.nav-logo {
  font-size: 16px; font-weight: 300; letter-spacing: -0.025em;
  color: var(--c-ink); text-decoration: none;
}
.nav-right { display: flex; align-items: center; gap: 16px; }
.nav-link {
  font-size: 14px; font-weight: 400; color: var(--c-soft);
  text-decoration: none; transition: color 160ms var(--ease-fast);
}
.nav-link:hover { color: var(--c-ink); }
.nav-divider { width: 1px; height: 16px; background: var(--c-line); }

/* ── BUTTONS ── */

.btn {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  cursor: pointer;
  border-radius: 9px;
  text-decoration: none;
  display: inline-flex; align-items: center; justify-content: center;
  gap: 6px;
  transition: opacity 160ms var(--ease-fast),
              background 160ms var(--ease-fast),
              border-color 160ms var(--ease-fast),
              color 160ms var(--ease-fast),
              transform 160ms var(--ease-fast);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--c-deep);
  color: var(--c-canvas);
  padding: 8px 18px;
  font-size: 13px;
}
.btn-primary:hover { opacity: 0.85; }
@media (prefers-color-scheme: dark) {
  .btn-primary { background: var(--c-canvas); color: var(--c-deep); }
}

.btn-ghost {
  background: transparent;
  color: var(--c-soft);
  border-color: var(--c-line-strong);
  padding: 7px 16px;
  font-size: 13px;
}
.btn-ghost:hover {
  color: var(--c-ink);
  border-color: var(--c-soft);
  background: rgba(0,0,0,0.02);
}

.btn-hero { padding: 14px 32px; font-size: 14px; }
.btn-cta { padding: 16px 48px; font-size: 16px; border-radius: 11px; }

/* ── HERO ── */

.hero {
  padding: 96px 0 0;
  position: relative;
  overflow: hidden;
}
.hero-content {
  text-align: center;
  max-width: 880px;
  margin: 0 auto;
  padding: 0 80px;
}
.hero .eyebrow { display: inline-block; margin-bottom: 32px; }
.hero .display { margin-bottom: 32px; }
.hero-sub { max-width: 540px; margin: 0 auto 48px; }
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 24px; }
.hero-trust { font-size: 12px; color: var(--c-mute); }
.hero-trust span { color: var(--c-line-strong); margin: 0 8px; }

.hero-visual { max-width: 1080px; margin: 96px auto 0; padding: 0 40px; position: relative; }
.browser-frame { background: var(--c-paper); border: 1px solid var(--c-line); border-radius: 14px; box-shadow: var(--shadow-elevated); overflow: hidden; }
.browser-chrome { height: 36px; display: flex; align-items: center; padding: 0 14px; background: var(--c-fog); border-bottom: 1px solid var(--c-line); gap: 6px; }
.browser-dot { width: 11px; height: 11px; border-radius: 50%; background: var(--c-line-strong); }
.browser-url { flex: 1; text-align: center; font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--c-mute); }
.browser-body { min-height: 480px; background: var(--c-canvas); display: grid; grid-template-columns: 480px 1fr; gap: 8px; padding: 8px; }

.mock-card { background: var(--c-paper); border: 1px solid var(--c-line); border-radius: 10px; overflow: hidden; padding: 20px 22px; }
.mock-header { padding-bottom: 14px; border-bottom: 1px solid var(--c-line); margin-bottom: 16px; }
.mock-title { font-size: 17px; font-weight: 300; letter-spacing: -0.03em; margin-bottom: 4px; }
.mock-sub { font-size: 11px; color: var(--c-mute); }
.mock-pills { display: flex; gap: 6px; margin-bottom: 16px; flex-wrap: wrap; }
.mock-pill { font-size: 10px; font-weight: 500; padding: 4px 9px; border-radius: 100px; border: 1px solid var(--c-line); color: var(--c-mute); }
.mock-pill.active { background: var(--c-deep); color: var(--c-canvas); border-color: transparent; }
.mock-row { display: flex; align-items: center; gap: 12px; padding: 9px 8px; border-bottom: 1px solid var(--c-line); }
.mock-row:last-child { border-bottom: none; }
.mock-check { width: 14px; height: 14px; border-radius: 50%; border: 1.5px solid var(--c-line-strong); flex-shrink: 0; }
.mock-check.done { background: var(--c-deep); border-color: var(--c-deep); position: relative; }
.mock-check.done::after { content:''; position: absolute; top:3px; left:4px; width: 5px; height: 3px; border-left: 1.5px solid var(--c-canvas); border-bottom: 1.5px solid var(--c-canvas); transform: rotate(-45deg); }
.mock-text { font-size: 13px; color: var(--c-ink); }
.mock-text.done { color: var(--c-mute); text-decoration: line-through; }
.mock-tag { font-size: 10px; color: var(--c-mute); margin-left: auto; }
.mock-detail { display: flex; align-items: center; justify-content: center; color: var(--c-mute); font-size: 13px; }

/* ── SECTION HEADER ── */
.section-header { text-align: center; max-width: 720px; margin: 0 auto 80px; }
.section-header .eyebrow { display: block; margin-bottom: 20px; }
.section-header .h1, .section-header .h2 { margin-bottom: 20px; }
.section-header .body-lg { max-width: 540px; margin: 0 auto; }

/* ── QUOTE BLOCK ── */
.quote-block { max-width: 640px; margin: 0 auto; text-align: center; }
.quote-block .eyebrow { display: block; margin-bottom: 24px; }
.quote-block blockquote { font-size: clamp(22px, 2.6vw, 28px); font-weight: 300; letter-spacing: -0.025em; line-height: 1.5; color: var(--c-ink); margin-bottom: 24px; }
.quote-attr { font-size: 13px; font-style: italic; color: var(--c-mute); }

/* ── BENTO ── */
.bento { display: grid; grid-template-columns: repeat(3, 1fr); grid-template-rows: auto auto; gap: 16px; }
.card { background: var(--c-paper); border: 1px solid var(--c-line); border-radius: 14px; padding: 32px; min-height: 320px; display: flex; flex-direction: column; transition: border-color 220ms var(--ease-out), transform 220ms var(--ease-out), box-shadow 220ms var(--ease-out); position: relative; overflow: hidden; }
.card:hover { border-color: var(--c-line-strong); transform: translateY(-2px); box-shadow: var(--shadow-card); }
.card-icon { font-size: 14px; color: var(--c-mute); margin-bottom: 20px; font-family: 'JetBrains Mono', monospace; }
.card-title { font-size: 22px; font-weight: 300; letter-spacing: -0.02em; line-height: 1.25; color: var(--c-ink); margin-bottom: 12px; white-space: pre-line; }
.card-body { font-size: 13px; font-weight: 400; line-height: 1.65; color: var(--c-soft); margin-bottom: 24px; flex: 1; }
.card-visual { height: 110px; display: flex; align-items: center; justify-content: center; position: relative; }
.card.wide { grid-column: span 2; }

/* ── BENTO VISUALS (Lottie placeholders via CSS) ── */
.vis-periods { display: flex; gap: 4px; width: 100%; max-width: 240px; height: 60px; }
.vis-periods span { flex: 1; background: var(--c-line); border-radius: 3px; position: relative; overflow: hidden; }
.vis-periods span::after { content: ''; position: absolute; inset: 0; background: var(--c-deep); transform-origin: bottom; animation: fillPeriod 6s infinite var(--ease-out); }
.vis-periods span:nth-child(1)::after { animation-delay: 0s; }
.vis-periods span:nth-child(2)::after { animation-delay: 1.5s; }
.vis-periods span:nth-child(3)::after { animation-delay: 3s; }
.vis-periods span:nth-child(4)::after { animation-delay: 4.5s; }
@keyframes fillPeriod { 0%, 100% { transform: scaleY(0); } 8%, 25% { transform: scaleY(1); } }

.vis-inbox { position: relative; width: 100%; max-width: 360px; height: 110px; }
.vis-inbox span { position: absolute; width: 56px; height: 56px; background: var(--c-paper); border: 1px solid var(--c-line); border-radius: 3px; box-shadow: var(--shadow-soft); animation: floatNote 5s infinite var(--ease-out); }
.vis-inbox span:nth-child(1) { left: 10%; top: 10%; transform: rotate(-3deg); animation-delay: 0s; }
.vis-inbox span:nth-child(2) { left: 32%; top: 30%; transform: rotate(2deg); animation-delay: 0.6s; }
.vis-inbox span:nth-child(3) { left: 54%; top: 5%; transform: rotate(-1deg); animation-delay: 1.2s; }
.vis-inbox span:nth-child(4) { left: 72%; top: 30%; transform: rotate(3deg); animation-delay: 1.8s; }
@keyframes floatNote { 0%, 100% { transform: translateY(0) rotate(var(--r, 0deg)); opacity: 0.6; } 50% { transform: translateY(-6px) rotate(var(--r, 0deg)); opacity: 1; } }

.vis-keys { display: flex; gap: 6px; align-items: center; }
.vis-keys span { width: 30px; height: 30px; border: 1px solid var(--c-line-strong); border-radius: 5px; background: var(--c-paper); display: flex; align-items: center; justify-content: center; font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--c-soft); opacity: 0.3; animation: keyPress 4s infinite var(--ease-fast); }
.vis-keys span:nth-child(1) { animation-delay: 0s; }
.vis-keys span:nth-child(2) { animation-delay: 0.5s; }
.vis-keys span:nth-child(3) { animation-delay: 1s; }
.vis-keys span:nth-child(4) { animation-delay: 1.5s; }
.vis-keys span:nth-child(5) { animation-delay: 2s; }
@keyframes keyPress { 0%, 100% { opacity: 0.25; transform: translateY(0); border-color: var(--c-line); } 15% { opacity: 1; transform: translateY(2px); border-color: var(--c-ink); color: var(--c-ink); } }

.vis-focus { display: flex; flex-direction: column; gap: 6px; width: 100%; max-width: 200px; }
.vis-focus span { height: 8px; background: var(--c-line); border-radius: 4px; animation: fade 6s infinite var(--ease-out); }
.vis-focus span:nth-child(1) { width: 80%; animation-delay: 0.4s; }
.vis-focus span:nth-child(2) { width: 100%; background: var(--c-deep); animation-name: stay; }
.vis-focus span:nth-child(3) { width: 65%; animation-delay: 0.2s; }
.vis-focus span:nth-child(4) { width: 90%; animation-delay: 0.6s; }
@keyframes fade { 0%, 70%, 100% { opacity: 1; } 40%, 60% { opacity: 0.08; } }
@keyframes stay { 0%, 100% { opacity: 1; transform: scaleX(1); } 50% { opacity: 1; transform: scaleX(1); } }

.vis-sync { width: 64px; height: 64px; border: 2px solid var(--c-line-strong); border-radius: 50%; border-top-color: var(--c-deep); animation: spin 4s infinite linear; }
@keyframes spin { to { transform: rotate(360deg); } }

.vis-privacy { width: 48px; height: 56px; position: relative; }
.vis-privacy::before { content: ''; position: absolute; width: 28px; height: 22px; top: 0; left: 10px; border: 2px solid var(--c-deep); border-bottom: none; border-radius: 14px 14px 0 0; }
.vis-privacy::after { content: ''; position: absolute; width: 100%; height: 30px; bottom: 0; left: 0; background: var(--c-deep); border-radius: 4px; animation: lockPulse 3s infinite var(--ease-out); }
@keyframes lockPulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(10,10,8,0.15); } 50% { box-shadow: 0 0 0 8px rgba(10,10,8,0); } }

/* ── ANATOMY ── */
.anatomy { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.anatomy-left .eyebrow { display: block; margin-bottom: 20px; }
.anatomy-left .h1 { margin-bottom: 24px; white-space: pre-line; }
.anatomy-left .body-lg { max-width: 420px; }
.anatomy-right { display: flex; flex-direction: column; gap: 12px; }
.period-card { background: var(--c-paper); border: 1px solid var(--c-line); border-radius: 12px; padding: 22px 24px; display: flex; flex-direction: column; gap: 6px; transition: border-color 200ms var(--ease-out); }
.period-card:hover { border-color: var(--c-line-strong); }
.period-time { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--c-mute); letter-spacing: 0.05em; }
.period-title { font-size: 17px; font-weight: 300; letter-spacing: -0.02em; color: var(--c-ink); }
.period-desc { font-size: 13px; color: var(--c-soft); line-height: 1.5; }

/* ── SHOWCASE CLOCK ── */
.showcase { display: flex; flex-direction: column; align-items: center; }
.clock-wrap { position: relative; width: 320px; height: 320px; margin: 40px auto 0; }
.clock-svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.clock-arc { fill: none; stroke-width: 16; transition: stroke 240ms var(--ease-out); }
.clock-arc:hover { stroke: var(--c-ink); cursor: pointer; }
.clock-label { position: absolute; font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--c-mute); letter-spacing: 0.05em; }
.clock-label.l1 { top: -6px; left: 50%; transform: translateX(-50%); }
.clock-label.l2 { top: 50%; right: -36px; transform: translateY(-50%); }
.clock-label.l3 { bottom: -6px; left: 50%; transform: translateX(-50%); }
.clock-label.l4 { top: 50%; left: -36px; transform: translateY(-50%); }
.clock-center { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; pointer-events: none; }
.clock-center-time { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--c-mute); }
.clock-center-period { font-size: 20px; font-weight: 300; letter-spacing: -0.02em; color: var(--c-ink); }

/* ── MANIFESTO ── */
.manifesto-block { max-width: 720px; margin: 0 auto; text-align: center; }
.manifesto-block .eyebrow { display: block; margin-bottom: 32px; }
.manifesto-lines { display: flex; flex-direction: column; gap: 14px; }
.manifesto-line { font-size: clamp(22px, 2.6vw, 32px); font-weight: 200; letter-spacing: -0.03em; line-height: 1.45; color: var(--c-canvas); }
.manifesto-signature { margin-top: 48px; font-size: 12px; color: rgba(255,255,255,0.4); font-style: italic; }

/* ── PRICING ── */
.pricing-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; max-width: 880px; margin: 0 auto; }
.price-card { background: var(--c-paper); border: 1px solid var(--c-line); border-radius: 14px; padding: 40px 36px; display: flex; flex-direction: column; transition: border-color 200ms var(--ease-out), transform 200ms var(--ease-out); }
.price-card:hover { border-color: var(--c-line-strong); }
.price-card.featured { background: var(--c-deep); color: var(--c-canvas); border-color: transparent; }
.price-card.featured .price-name { color: var(--c-canvas); }
.price-card.featured .price-amount { color: var(--c-canvas); }
.price-card.featured .price-desc { color: rgba(255,255,255,0.6); }
.price-card.featured .price-feature { color: rgba(255,255,255,0.8); }
.price-card.featured .price-feature::before { background: var(--c-canvas); }

.price-head { margin-bottom: 32px; }
.price-name { font-size: 14px; font-weight: 500; letter-spacing: 0.02em; margin-bottom: 16px; color: var(--c-ink); }
.price-amount { font-size: 44px; font-weight: 200; letter-spacing: -0.04em; color: var(--c-ink); display: flex; align-items: baseline; gap: 6px; margin-bottom: 12px; }
.price-amount-cycle { font-size: 13px; font-weight: 400; color: var(--c-mute); letter-spacing: 0; }
.price-desc { font-size: 13px; color: var(--c-soft); line-height: 1.6; }
.price-features { list-style: none; flex: 1; margin-bottom: 32px; display: flex; flex-direction: column; gap: 10px; }
.price-feature { font-size: 13px; color: var(--c-soft); line-height: 1.5; padding-left: 20px; position: relative; }
.price-feature::before { content: ''; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; border-radius: 50%; background: var(--c-line-strong); }
.price-cta { margin-top: auto; }
.price-cta .btn { width: 100%; padding: 12px 20px; font-size: 14px; }
.price-card.featured .btn-primary { background: var(--c-canvas); color: var(--c-deep); }
.price-card.featured .btn-primary:hover { opacity: 0.85; }
.pricing-note { text-align: center; margin-top: 32px; font-size: 12px; color: var(--c-mute); }

/* ── pricing toggle ── */
.pricing-toggle {
  display: flex;
  align-items: center;
  background: var(--c-fog);
  border: 1px solid var(--c-line);
  border-radius: 9px;
  padding: 3px;
  margin: 36px auto 0;
  width: fit-content;
  gap: 2px;
}
.pricing-toggle-btn {
  padding: 7px 22px;
  font-size: 13px;
  font-family: inherit;
  font-weight: 400;
  border: none;
  background: transparent;
  color: var(--c-mute);
  border-radius: 7px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, box-shadow 0.15s;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.pricing-toggle-btn.active {
  background: var(--c-paper);
  color: var(--c-ink);
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}
.pricing-save-badge {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.04em;
  background: var(--c-ink);
  color: var(--c-canvas);
  padding: 2px 6px;
  border-radius: 4px;
}

/* ── CTA FINAL ── */
.cta-final-block { max-width: 640px; margin: 0 auto; text-align: center; }
.cta-final-block .h1 { margin-bottom: 20px; white-space: pre-line; }
.cta-final-block .body-lg { margin-bottom: 40px; }
.cta-trust { margin-top: 20px; font-size: 12px; color: var(--c-mute); }

/* ── FOOTER ── */
footer { padding: 64px 80px 48px; background: var(--c-fog); border-top: 1px solid var(--c-line); position: relative; z-index: 2; }
.footer-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr auto auto auto; gap: 64px; margin-bottom: 48px; }
.footer-brand-name { font-size: 18px; font-weight: 300; letter-spacing: -0.025em; color: var(--c-ink); margin-bottom: 6px; }
.footer-brand-tag { font-size: 12px; color: var(--c-mute); font-style: italic; }
.footer-col-title { font-size: 11px; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--c-mute); margin-bottom: 14px; }
.footer-col-link { display: block; font-size: 13px; color: var(--c-soft); text-decoration: none; margin-bottom: 8px; transition: color 160ms var(--ease-fast); }
.footer-col-link:hover { color: var(--c-ink); }
.footer-bottom { max-width: 1200px; margin: 0 auto; padding-top: 24px; border-top: 1px solid var(--c-line); text-align: center; font-size: 12px; color: var(--c-mute); }

/* ── PAGE PROSE (privacidade, termos) ── */
.page-hero { padding: 120px 0 60px; text-align: center; }
.page-hero .eyebrow { display: inline-block; margin-bottom: 20px; }
.page-hero .h1 { margin-bottom: 16px; }
.page-hero .caption { color: var(--c-mute); }
.prose { max-width: 720px; margin: 0 auto; padding: 0 24px 120px; }
.prose h2 { font-size: 22px; font-weight: 400; letter-spacing: -0.02em; color: var(--c-ink); margin: 48px 0 16px; }
.prose h2:first-child { margin-top: 0; }
.prose p { font-size: 15px; line-height: 1.75; color: var(--c-soft); margin-bottom: 16px; }
.prose ul { margin: 16px 0 16px 24px; }
.prose li { font-size: 15px; line-height: 1.75; color: var(--c-soft); margin-bottom: 8px; }
.prose strong { color: var(--c-ink); font-weight: 500; }
.prose a { color: var(--c-ink); text-decoration: underline; text-decoration-color: var(--c-line-strong); text-underline-offset: 3px; }
.prose a:hover { text-decoration-color: var(--c-ink); }

/* ── CONTACT FORM ── */
.contact-form { max-width: 480px; margin: 0 auto; padding: 0 24px 120px; }
.form-field { margin-bottom: 20px; }
.form-label { display: block; font-size: 11px; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--c-mute); margin-bottom: 8px; }
.form-input, .form-textarea { width: 100%; font-family: 'Inter', sans-serif; font-size: 14px; color: var(--c-ink); background: var(--c-paper); border: 1px solid var(--c-line); border-radius: 9px; padding: 11px 14px; outline: none; transition: border-color 160ms var(--ease-fast); }
.form-input:focus, .form-textarea:focus { border-color: var(--c-ink); }
.form-textarea { resize: vertical; min-height: 140px; line-height: 1.6; font-family: 'Inter', sans-serif; }
.form-submit { width: 100%; padding: 13px 24px; font-size: 14px; }
.form-success { text-align: center; padding: 40px; background: var(--c-paper); border: 1px solid var(--c-line); border-radius: 14px; }
.form-success-icon { font-size: 36px; opacity: 0.3; margin-bottom: 16px; }

/* ── FADE-IN ANIMATIONS ── */
[data-anim] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
}
[data-anim].in { opacity: 1; transform: translateY(0); }
[data-anim-delay="100"] { transition-delay: 100ms; }
[data-anim-delay="200"] { transition-delay: 200ms; }
[data-anim-delay="300"] { transition-delay: 300ms; }
[data-anim-delay="400"] { transition-delay: 400ms; }
[data-anim-delay="500"] { transition-delay: 500ms; }
[data-anim-delay="600"] { transition-delay: 600ms; }

@media (prefers-reduced-motion: reduce) {
  [data-anim] { opacity: 1; transform: none; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .container { padding: 0 32px; }
  nav { padding: 0 32px; }
  .hero-content { padding: 0 32px; }
  .hero-visual { padding: 0 16px; }
  .browser-body { grid-template-columns: 1fr; min-height: auto; }
  .mock-detail { display: none; }
  .bento { grid-template-columns: repeat(2, 1fr); }
  .card.wide { grid-column: span 2; }
  .anatomy { grid-template-columns: 1fr; gap: 48px; }
  footer { padding: 48px 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 640px) {
  section { padding: 80px 0; }
  .container { padding: 0 20px; }
  nav { padding: 0 20px; height: 56px; }
  .nav-link { display: none; }
  .nav-divider { display: none; }
  .hero { padding-top: 60px; }
  .hero-content { padding: 0 20px; }
  .hero-visual { margin-top: 60px; padding: 0; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; }
  .browser-frame { border-radius: 10px; }
  .browser-body { padding: 6px; gap: 6px; }
  .mock-card { padding: 16px; }
  .section-header { margin-bottom: 48px; }
  .bento { grid-template-columns: 1fr; gap: 12px; }
  .card.wide { grid-column: span 1; }
  .card { padding: 24px; min-height: auto; }
  .pricing-grid { grid-template-columns: 1fr; }
  .price-card { padding: 32px 24px; }
  .clock-wrap { width: 240px; height: 240px; }
  footer { padding: 40px 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .btn-cta { padding: 14px 32px; font-size: 15px; }
  .page-hero { padding: 80px 0 40px; }
  .prose { padding: 0 20px 80px; }
}