/* Caudex OS Landing v2 — styles.css
 * 1. Tokens
 * 2. Reset + base typography
 * 3. Layout primitives
 * 4. Components (button, card, input)
 * 5. Header
 * 6. Sections (hero, stat-band, problem, features-bento, features-carousel, deep-dives, how, pricing, faq, cta-final)
 * 7. Footer
 * 8. Motion (scroll-reveal + reduced-motion)
 */

/* ===================== 1. Tokens ===================== */
:root {
  /* Brand — Caudex orange */
  --color-primary: #EA580C;        /* fill / surfaces / borders */
  --color-primary-text: #C2410C;   /* text on light bg (WCAG AA 4.5:1 over white) */
  --color-primary-hover: #9A3412;
  --color-accent: #FB923C;
  --color-warm: #B45309;

  /* Surfaces */
  --color-bg: #FFFFFF;
  --color-surface: #F5F5F7;
  --color-surface-2: #FAFAFC;
  --color-surface-warm: #FFF7ED;   /* novo: alternativa quente para quebrar monotonia */
  --color-bg-inverted: #1D1D1F;

  /* Text */
  --color-text: #1D1D1F;
  --color-text-muted: #5B5B60;     /* escurecido de #6E6E73 para AA seguro */
  --color-text-subtle: #767679;    /* escurecido de #86868B para AA */
  --color-text-on-dark: #F5F5F7;

  /* Borders */
  --color-border: #D2D2D7;
  --color-border-strong: rgba(0, 0, 0, .10);

  /* Semantic */
  --color-success: #2EA84E;
  --color-warning: #E0A21A;
  --color-danger: #E03A2F;

  /* Typography (Inter via Google Fonts, fallback gracioso) */
  --font-display: "Inter Tight", "Inter", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-text:    "Inter", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-mono:    ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  /* Type scale (fluid) — h2/h3 ranges alargados para quebrar achatamento */
  --fs-hero:    clamp(44px, 6.4vw, 76px);
  --fs-h2:      clamp(34px, 4.5vw, 52px);
  --fs-h3:      clamp(26px, 3vw, 36px);
  --fs-h4:      clamp(20px, 2vw, 24px);
  --fs-lead:    clamp(18px, 1.6vw, 22px);
  --fs-body:    17px;
  --fs-small:   14px;
  --fs-eyebrow: 13px;

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-8b: 80px;     /* novo: degrau intermediário */
  --space-9: 96px;
  --space-9b: 112px;    /* novo: degrau intermediário */
  --space-10: 128px;

  /* Containers */
  --container-max: 1068px;
  --container-narrow: 720px;
  --container-wide: 1280px;
  --section-py: clamp(64px, 8vw, 128px);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-card: 0 1px 2px rgba(0, 0, 0, .04), 0 8px 24px rgba(0, 0, 0, .06);
  --shadow-elevated: 0 4px 12px rgba(0, 0, 0, .06), 0 24px 48px rgba(0, 0, 0, .10);
  --shadow-pop: 0 8px 32px rgba(234, 88, 12, .22);

  /* Motion */
  --ease-out: cubic-bezier(.4, 0, .2, 1);
  --ease-in-out: cubic-bezier(.4, 0, .6, 1);
  --dur-fast: 150ms;
  --dur-base: 300ms;
  --dur-slow: 600ms;
}

/* ===================== 2. Reset + base ===================== */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-text);
  font-size: var(--fs-body);
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img, picture, video { display: block; max-width: 100%; height: auto; }
button { font: inherit; cursor: pointer; }
a { color: var(--color-primary-text); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  margin: 0 0 var(--space-4);
  color: var(--color-text);
  font-feature-settings: "ss01", "cv11";
}
h1 { font-size: var(--fs-hero); line-height: 1.04; letter-spacing: -.025em; font-weight: 800; }
h2 { font-size: var(--fs-h2); line-height: 1.08; letter-spacing: -.02em; font-weight: 700; }
h3 { font-size: var(--fs-h3); line-height: 1.18; letter-spacing: -.012em; font-weight: 700; }
h4 { font-size: var(--fs-h4); line-height: 1.3; font-weight: 600; }

.eyebrow {
  display: inline-block;
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-primary-text);
  margin-bottom: var(--space-3);
}
/* Variante muted (para hero, deep-dives, how, cta — onde competiria com h1/h2) */
.eyebrow--muted { color: var(--color-text-muted); letter-spacing: .14em; }

.lead {
  font-size: var(--fs-lead);
  line-height: 1.45;
  color: var(--color-text-muted);
}

.skip-link {
  position: absolute; left: -9999px;
  padding: var(--space-3) var(--space-4);
  background: var(--color-primary); color: #fff;
}
.skip-link:focus { left: var(--space-4); top: var(--space-4); z-index: 999; }

:focus-visible {
  outline: 3px solid rgba(251, 146, 60, .55);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ===================== 3. Layout primitives ===================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 20px;
}
@media (min-width: 834px) { .container { padding-inline: 32px; } }

.container--wide   { max-width: var(--container-wide); }
.container--narrow { max-width: var(--container-narrow); }

section { padding-block: var(--section-py); }

/* ===================== 4. Components ===================== */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: 14px 24px;
  font-size: var(--fs-body); font-weight: 500;
  border: 1px solid transparent; border-radius: var(--radius-pill);
  text-decoration: none;
  transition: background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out),
              transform var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: scale(.98); }

.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-hover); box-shadow: var(--shadow-pop); }

.btn--secondary {
  background: transparent;
  color: var(--color-primary-text);
  border-color: var(--color-primary-text);
}
.btn--secondary:hover { background: rgba(234, 88, 12, .10); }

.btn--ghost-on-primary { background: #fff; color: var(--color-primary-text); font-weight: 600; }
.btn--ghost-on-primary:hover { background: rgba(255, 255, 255, .92); }

.btn--outline-on-dark {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, .35);
}
.btn--outline-on-dark:hover { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .6); }

.btn--lg { padding: 18px 32px; font-size: 18px; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--color-primary-text); font-weight: 600;
  padding-block: 4px;
}
.link-arrow::after {
  content: "→";
  transition: transform var(--dur-fast) var(--ease-out);
}
.link-arrow:hover { text-decoration: none; }
.link-arrow:hover::after { transform: translateX(4px); }

.input, .select {
  width: 100%;
  padding: 14px 16px;
  font: inherit; color: var(--color-text);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out);
}
.select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  padding-right: 44px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%231D1D1F' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 18px;
  line-height: 1.4;
}
.input:focus, .select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(251, 146, 60, .28);
}
.input[aria-invalid="true"], .select[aria-invalid="true"] { border-color: var(--color-danger); }

label {
  display: block;
  font-size: var(--fs-small); font-weight: 500;
  margin-bottom: 6px;
}
.field { margin-bottom: var(--space-4); }

/* ===================== 5. Header ===================== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  background: rgba(255, 255, 255, .72);
  border-bottom: 1px solid rgba(0, 0, 0, .06);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 56px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--color-text); font-weight: 600; font-size: 17px;
  font-family: var(--font-display);
}
.brand:hover { text-decoration: none; }
.brand__logo {
  display: block;
  width: 26px;
  height: 26px;
  object-fit: contain;
  flex: 0 0 auto;
}
.brand__name { letter-spacing: -.01em; }
.brand__name--on-dark { color: #fff; }
.brand__os {
  color: var(--color-primary-text);
  margin-left: 2px;
  font-weight: 800;
}
.brand__name--on-dark .brand__os { color: var(--color-accent); }

.site-nav__list {
  display: flex; list-style: none; gap: var(--space-5);
  margin: 0; padding: 0;
}
.site-nav__list a {
  color: var(--color-text); font-size: 15px; font-weight: 500;
  padding: 8px 4px;
}
.site-nav__list a:hover { color: var(--color-primary-text); text-decoration: none; }

.btn--header { padding: 8px 16px; font-size: 14px; }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  background: transparent; border: 0;
  flex-direction: column; gap: 4px;
  align-items: center; justify-content: center;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--color-text); border-radius: 2px;
  transition: transform var(--dur-fast) var(--ease-out),
              opacity var(--dur-fast) var(--ease-out);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: 56px 0 0 0;
  background: rgba(255, 255, 255, .98);
  backdrop-filter: blur(20px);
  padding: var(--space-6);
  z-index: 99;
}
.mobile-menu ul {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: var(--space-3);
}
.mobile-menu a {
  display: block;
  padding: var(--space-4);
  font-size: 18px; font-weight: 500;
  color: var(--color-text);
}
.mobile-menu .btn { padding: 14px 20px; }

@media (max-width: 833px) {
  .site-nav, .site-header__actions { display: none; }
  .nav-toggle { display: flex; }
}

/* ===================== 6. Sections ===================== */

/* ----- Hero ----- */
.hero {
  padding-top: clamp(40px, 6vw, 80px);
  padding-bottom: var(--section-py);
  background:
    radial-gradient(900px 480px at 92% -10%, rgba(234, 88, 12, .16), transparent 60%),
    radial-gradient(700px 400px at 5% 110%, rgba(120, 130, 145, .08), transparent 70%),
    var(--color-bg);
  overflow: hidden;
  position: relative;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(0,0,0,.025) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,.6), transparent 70%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,.6), transparent 70%);
  pointer-events: none;
}
.hero__inner { position: relative; z-index: 1; }
.hero__inner {
  display: grid; gap: var(--space-7);
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
}
@media (min-width: 1068px) {
  .hero__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: var(--space-9);
  }
}
.hero__title { margin-bottom: var(--space-5); }
.hero__title-accent { color: var(--color-primary-text); }
.hero__sub { margin-bottom: var(--space-6); max-width: 540px; }
.hero__cta {
  display: flex; align-items: center; gap: var(--space-5); flex-wrap: wrap;
}
.hero__cta-secondary { font-size: var(--fs-body); }

.hero__media {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-elevated);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}
.hero__media img { width: 100%; height: auto; display: block; }

@media (max-width: 1067px) {
  .hero__media { order: 2; }
  .hero__copy { order: 1; }
}

/* ----- Stat-band ----- */
.stat-band {
  background:
    radial-gradient(900px 320px at 50% 0%, rgba(234, 88, 12, .12), transparent 70%),
    var(--color-bg-inverted);
  color: var(--color-text-on-dark);
  padding-block: clamp(48px, 6vw, 80px);
}
.stat-band__text {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 500;
  line-height: 1.4;
  text-align: center;
  max-width: var(--container-narrow);
  margin: 0 auto;
  letter-spacing: -.012em;
}
.stat-band__text strong {
  color: #fff;
  font-weight: 700;
  background: linear-gradient(180deg, transparent 62%, rgba(251, 146, 60, .55) 62%);
  padding: 0 6px;
}

/* ----- Problem ----- */
.problem { background: var(--color-surface); }
.problem__header {
  text-align: center;
  max-width: var(--container-narrow);
  margin: 0 auto var(--space-8);
}
.problem__grid {
  display: grid; gap: var(--space-5);
  grid-template-columns: 1fr;
}
@media (min-width: 834px) {
  .problem__grid { grid-template-columns: repeat(3, 1fr); }
}

.problem-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: transform var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
}
.problem-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}
.problem-card__icon {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: var(--radius-md);
  background: rgba(234, 88, 12, .10);
  color: var(--color-primary-text);
  margin-bottom: var(--space-5);
}
.problem-card h3 { font-size: var(--fs-h4); margin-bottom: var(--space-3); }
.problem-card p { color: var(--color-text-muted); margin: 0; }

/* ===================== Features — BENTO 3x2 (versão Bento) ===================== */
.features-bento { background: var(--color-bg); }
.features-bento__header {
  text-align: center;
  max-width: var(--container-narrow);
  margin: 0 auto var(--space-7);
}
.features-bento__header .lead { margin: 0 auto; max-width: 560px; }

.bento {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
@media (max-width: 1067px) { .bento { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px)  { .bento { grid-template-columns: 1fr; } }

.bento-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition:
    transform var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out);
}
.bento-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-elevated);
  border-color: rgba(234, 88, 12, .25);
}
.bento-card--featured {
  background:
    linear-gradient(180deg, rgba(234, 88, 12, .04), transparent 50%),
    var(--color-surface-warm);
  border-color: rgba(234, 88, 12, .22);
}
.bento-card__media {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  aspect-ratio: 16 / 10;
  overflow: hidden;
}
.bento-card--featured .bento-card__media {
  background: #fff;
}
.bento-card__media picture,
.bento-card__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}
.bento-card__body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}
.bento-card__tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-primary-text);
  background: rgba(234, 88, 12, .10);
  border: 1px solid rgba(234, 88, 12, .16);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  align-self: flex-start;
  margin-bottom: var(--space-2);
}
.bento-card h3 {
  margin: 0 0 var(--space-2);
  font-size: clamp(20px, 1.6vw, 24px);
  letter-spacing: -.012em;
}
.bento-card p {
  color: var(--color-text-muted);
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.5;
}

/* Featured: destaque cromático sutil (mantém grid simétrico 3x2) */
.bento-card--featured::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(234, 88, 12, .12);
}

/* ===================== Features (carousel — versão original mantida e polida) ===================== */
.features { background: var(--color-bg); }
.features__header-wrap { margin-bottom: var(--space-7); }
.features__header {
  text-align: center;
  max-width: var(--container-narrow);
  margin: 0 auto;
}
.features__header .lead { margin: 0; }

.carousel { position: relative; }

.carousel__track {
  display: flex;
  gap: var(--space-5);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding-block: var(--space-3);
  padding-inline: max(20px, calc((100vw - var(--container-wide)) / 2 + 32px));
  scrollbar-width: none;
  -ms-overflow-style: none;
  outline: none;
}
.carousel__track::-webkit-scrollbar { display: none; }
.carousel__track:focus-visible {
  outline: 3px solid rgba(251, 146, 60, .55);
  outline-offset: -2px;
  border-radius: var(--radius-lg);
}

.feature-slide {
  flex: 0 0 calc(33.33% - (var(--space-5) * 2 / 3));
  scroll-snap-align: start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--dur-base) var(--ease-out);
}
.feature-slide:hover {
  box-shadow: var(--shadow-elevated);
}

.feature-slide__media {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
}
.feature-slide__media picture {
  display: block;
}
.feature-slide__media img {
  display: block;
  width: 100%;
  height: auto;
  image-rendering: auto;
}

.feature-slide__body {
  padding: var(--space-5);
  display: flex; flex-direction: column; gap: var(--space-2);
  flex: 1;
}
.feature-slide__body .eyebrow { margin-bottom: 0; }
.feature-slide__body h3 {
  margin: 0;
  font-size: var(--fs-h4);
}
.feature-slide__body p {
  color: var(--color-text-muted);
  margin: 0;
}

@media (max-width: 1067px) {
  .feature-slide { flex: 0 0 calc(50% - (var(--space-5) / 2)); }
}
@media (max-width: 833px) {
  .feature-slide { flex: 0 0 86%; }
  .carousel__track {
    padding-inline: 20px;
    gap: var(--space-4);
  }
}

.carousel__controls {
  display: flex; align-items: center; justify-content: center; gap: var(--space-4);
  margin-top: var(--space-6);
}

.carousel__btn {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  color: var(--color-text);
  transition: background var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              transform var(--dur-fast) var(--ease-out);
}
.carousel__btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-pop);
}
.carousel__btn:active { transform: scale(.95); }
.carousel__btn:disabled {
  opacity: .35;
  cursor: not-allowed;
  background: #fff;
  color: var(--color-text);
  border-color: var(--color-border);
}

.carousel__dots {
  display: flex; align-items: center; gap: var(--space-2);
}
.carousel__dot {
  width: 8px; height: 8px;
  border: 0;
  background: var(--color-border);
  border-radius: var(--radius-pill);
  padding: 0;
  cursor: pointer;
  transition: width var(--dur-base) var(--ease-out),
              background var(--dur-base) var(--ease-out);
}
.carousel__dot.is-active {
  width: 28px;
  background: var(--color-primary-text);
}

.features__cta { text-align: center; margin-top: var(--space-8); }

/* ----- Features carousel — Variants B & C (single hero card) ----- */
.features--variant-b .carousel__track,
.features--variant-c .carousel__track {
  gap: 0;
  padding-inline: 0;
  scroll-padding-inline: 0;
}
.features--variant-b .feature-slide,
.features--variant-c .feature-slide {
  flex: 0 0 100%;
  scroll-snap-align: center;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  overflow: visible;
  transition: none;
}
.features--variant-b .feature-slide:hover,
.features--variant-c .feature-slide:hover {
  transform: none;
  box-shadow: none;
}
.features--variant-b .feature-slide__media,
.features--variant-c .feature-slide__media {
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: transparent;  /* removido halo cinza ao redor do mockup */
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-elevated);
}
.features--variant-b .feature-slide__media img,
.features--variant-c .feature-slide__media img {
  display: block;
  width: 100%;
  height: auto;
}

/* ----- Variant B: Apple keynote (split layout) ----- */
.features--variant-b .feature-slide {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: var(--space-9);
  align-items: center;
  padding-inline: max(20px, calc((100% - var(--container-wide)) / 2 + 32px));
  padding-block: var(--space-3);
  min-height: 520px;
}
@media (max-width: 1067px) {
  .features--variant-b .feature-slide {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    min-height: 0;
  }
}
.features--variant-b .feature-slide__body { padding: 0; gap: 0; display: block; }
.features--variant-b .feature-slide__body .eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(234, 88, 12, .10);
  border: 1px solid rgba(234, 88, 12, .18);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-5);
}
.features--variant-b .feature-slide__body h3 {
  font-size: clamp(28px, 3.4vw, 40px);
  line-height: 1.1;
  letter-spacing: -.018em;
  margin: 0 0 var(--space-4);
}
.features--variant-b .feature-slide__body p {
  font-size: var(--fs-lead);
  color: var(--color-text-muted);
  line-height: 1.5;
  margin: 0;
  max-width: 460px;
}

/* ----- Variant C: Cinematic centered (compact) ----- */
.features--variant-c { padding-block: var(--space-8); }
.features--variant-c .features__header-wrap { margin-bottom: var(--space-5); }
.features--variant-c .feature-slide {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-inline: max(20px, calc((100% - var(--container-wide)) / 2 + 32px));
  padding-block: 0;
  gap: var(--space-3);
}
.features--variant-c .feature-slide__body {
  display: contents;
}
.features--variant-c .feature-slide__body .eyebrow {
  order: 1;
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: none;
  padding: 0;
  margin: 0;
  align-self: center;
}
/* Setas overlay laterais (carousel polido) */
.features--variant-c .carousel { position: relative; padding-inline: 56px; }
@media (max-width: 833px) {
  .features--variant-c .carousel { padding-inline: 0; }
}
.features--variant-c .carousel__btn--overlay {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 48px; height: 48px;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(0, 0, 0, .08);
  box-shadow: var(--shadow-card);
}
.features--variant-c .carousel__btn--overlay:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-pop);
}
.features--variant-c .carousel__btn--overlay[data-dir="prev"] { left: 4px; }
.features--variant-c .carousel__btn--overlay[data-dir="next"] { right: 4px; }
@media (max-width: 833px) {
  .features--variant-c .carousel__btn--overlay { display: none; }
}
.features--variant-c .feature-slide__media {
  order: 2;
  width: 100%;
  max-width: 980px;
  max-height: 54vh;
  align-self: center;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
}
.features--variant-c .feature-slide__media picture,
.features--variant-c .feature-slide__media img {
  max-height: 54vh;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  display: block;
}
.features--variant-c .feature-slide__body h3 {
  order: 3;
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.1;
  letter-spacing: -.015em;
  margin: 0;
  max-width: 760px;
  align-self: center;
}
.features--variant-c .feature-slide__body p {
  order: 4;
  font-size: var(--fs-body);
  color: var(--color-text-muted);
  line-height: 1.5;
  margin: 0;
  max-width: 600px;
  align-self: center;
}
.features--variant-c .carousel__controls { margin-top: var(--space-5); }
.features--variant-c .features__cta { margin-top: var(--space-6); }

/* ----- Deep-dives ----- */
.deep-dive { padding-block: var(--section-py); }
.deep-dive--ana-maria { background: var(--color-surface-warm); }   /* warm para quebrar esteira tonal */
.deep-dive--cozinha   { background: var(--color-bg); }
.deep-dive--alertas   { background: var(--color-surface); }

.deep-dive__inner {
  display: grid; gap: var(--space-7);
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 1068px) {
  .deep-dive__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: var(--space-9);
  }
  .deep-dive--reverse .deep-dive__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  }
}

.deep-dive__copy h2 { margin-bottom: var(--space-4); }
.deep-dive__copy .lead { margin-bottom: var(--space-5); }

.feature-list {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: var(--space-3);
}
.feature-list--rules { gap: var(--space-3); }
.feature-list--rules li { font-size: var(--fs-small); line-height: 1.5; }
.feature-list--rules li strong { color: var(--color-text); font-weight: 700; }
/* Grid 4+4 para a lista de alertas — equilibra peso copy↔media */
@media (min-width: 720px) {
  .feature-list--rules {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--space-5);
  }
}
.feature-list li {
  position: relative;
  padding-left: 28px;
  color: var(--color-text);
  line-height: 1.5;
}
.feature-list li::before {
  content: "";
  position: absolute; left: 0; top: 6px;
  width: 18px; height: 18px;
  background: var(--color-primary-text);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/contain no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/contain no-repeat;
}

.deep-dive__media {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-elevated);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}
.deep-dive__media img { width: 100%; height: auto; }

/* ----- How ----- */
.how { background: var(--color-bg); }
.how__header { text-align: center; margin-bottom: var(--space-8); }
.how__steps {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: var(--space-5);
  grid-template-columns: 1fr;
}
@media (min-width: 834px) { .how__steps { grid-template-columns: repeat(3, 1fr); } }

.how-step {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  position: relative;
  transition: transform var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
}
.how-step:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}
.how-step__num {
  font-family: var(--font-display);
  font-size: 56px; font-weight: 800;
  color: var(--color-primary-text);
  line-height: 1;
  margin-bottom: var(--space-4);
  letter-spacing: -.025em;
  font-variant-numeric: tabular-nums;
}
.how-step h3 { margin-bottom: var(--space-3); font-size: var(--fs-h4); }
.how-step p { color: var(--color-text-muted); margin: 0; }

/* ----- Pricing ----- */
.pricing { background: var(--color-surface); }
.pricing__header { text-align: center; margin-bottom: var(--space-8); }

.pricing-toggle {
  display: inline-flex;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 4px;
  margin-top: var(--space-5);
}
.pricing-toggle__btn {
  border: 0; background: transparent;
  padding: 10px 20px;
  font: inherit; font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-pill);
  transition: background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out);
  display: inline-flex; align-items: center; gap: 8px;
}
.pricing-toggle__btn.is-active {
  background: var(--color-text);
  color: #fff;
}
.pricing-toggle__save {
  font-size: 11px;
  padding: 2px 8px;
  background: var(--color-success);
  color: #fff;
  border-radius: var(--radius-pill);
  font-weight: 700;
  letter-spacing: .02em;
}
.pricing-toggle__btn:not(.is-active) .pricing-toggle__save { display: none; }

.pricing__grid {
  display: grid; gap: var(--space-5);
  grid-template-columns: 1fr;
  max-width: var(--container-max);
  margin: 0 auto;
}
@media (min-width: 1068px) {
  .pricing__grid {
    grid-template-columns: repeat(3, 1fr);
    align-items: stretch;
  }
}

.price-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex; flex-direction: column;
  position: relative;
}
.price-card--featured {
  border: 2px solid var(--color-primary);
  box-shadow: var(--shadow-elevated);
  background:
    linear-gradient(180deg, rgba(234, 88, 12, .04), transparent 40%),
    #fff;
}
@media (min-width: 1068px) {
  .price-card--featured { transform: translateY(-12px) scale(1.04); z-index: 1; }
}

/* Enterprise tier — gravitas distinta */
.price-card--enterprise {
  background:
    radial-gradient(700px 300px at 100% -20%, rgba(234, 88, 12, .18), transparent 60%),
    var(--color-bg-inverted);
  color: var(--color-text-on-dark);
  border-color: rgba(255, 255, 255, .12);
}
.price-card--enterprise .price-card__name,
.price-card--enterprise .price-card__custom { color: #fff; }
.price-card--enterprise .price-card__tagline,
.price-card--enterprise .price-card__billing,
.price-card--enterprise .price-card__features li { color: rgba(255, 255, 255, .82); }
.price-card--enterprise .price-card__features li::before { color: var(--color-accent); }

.price-card__badge {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  background: var(--color-text);
  color: #fff;
  font-size: 11px; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(0, 0, 0, .18);
}
.price-card__name { font-size: var(--fs-h3); margin: 0 0 var(--space-2); }
.price-card__tagline {
  color: var(--color-text-muted);
  margin: 0 0 var(--space-5);
  min-height: 48px;
}
.price-card__price {
  display: flex; align-items: baseline; gap: 4px;
  margin-bottom: var(--space-2);
}
.price-card__currency { font-size: 22px; font-weight: 600; color: var(--color-text-muted); }
.price-card__value {
  font-family: var(--font-display);
  font-size: 56px; font-weight: 800;
  line-height: 1;
  letter-spacing: -.03em;
  font-variant-numeric: tabular-nums;
}
.price-card__total {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-muted);
  margin-top: 4px;
  letter-spacing: 0;
}
.price-card--enterprise .price-card__total { color: rgba(255, 255, 255, .65); }
.price-card__period { font-size: var(--fs-body); color: var(--color-text-muted); }
.price-card__custom {
  font-family: var(--font-display);
  font-size: 28px; font-weight: 600;
}
.price-card__billing {
  font-size: var(--fs-small); color: var(--color-text-muted);
  margin: 0 0 var(--space-5);
  min-height: 22px;
}

.price-card__cta {
  width: 100%;
  justify-content: center;
  margin-bottom: var(--space-5);
}

.price-card__features {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: var(--space-3);
  flex: 1;
}
.price-card__features li {
  position: relative;
  padding-left: 26px;
  color: var(--color-text);
  font-size: var(--fs-small);
  line-height: 1.5;
}
.price-card__features li::before {
  content: "✓";
  position: absolute; left: 0; top: 0;
  color: var(--color-primary-text);
  font-weight: 800;
}

/* ----- FAQ ----- */
.faq { background: var(--color-bg); }
.faq__header { text-align: center; margin-bottom: var(--space-7); }
.faq__list { display: grid; gap: var(--space-3); }

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--dur-base) var(--ease-out);
}
.faq-item[open] { box-shadow: var(--shadow-card); }

.faq-item summary {
  list-style: none;
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(16px, 1.4vw, 18px);
  color: var(--color-text);
  line-height: 1.4;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::marker { display: none; }
.faq-item__icon {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  background: rgba(234, 88, 12, .10);
  color: var(--color-primary-text);
  border-radius: var(--radius-pill);
  flex-shrink: 0;
  transition: transform var(--dur-base) var(--ease-out),
              background var(--dur-base) var(--ease-out),
              color var(--dur-base) var(--ease-out);
}
.faq-item__icon svg { width: 20px; height: 20px; display: block; }
.faq-item[open] .faq-item__icon {
  transform: rotate(180deg);
  background: var(--color-primary);
  color: #fff;
}

.faq-item__body { padding: 0 var(--space-5) var(--space-5); }
.faq-item__body p { color: var(--color-text-muted); margin: 0; font-size: var(--fs-body); }

/* ----- CTA Final ----- */
.cta-final {
  background:
    radial-gradient(900px 500px at 12% -10%, rgba(255, 255, 255, .14), transparent 60%),
    radial-gradient(700px 400px at 100% 110%, rgba(0, 0, 0, .14), transparent 60%),
    var(--color-primary);
  color: #fff;
  position: relative;
}
.cta-final::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 80px;
  background: linear-gradient(180deg, rgba(0, 0, 0, .04), transparent);
  pointer-events: none;
}
.cta-final__inner { text-align: center; position: relative; z-index: 1; }
.cta-final__copy { margin-bottom: var(--space-7); }
.cta-final h2 { color: #fff; }
.cta-final .lead { color: rgba(255, 255, 255, .95); font-weight: 500; }
.cta-final__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255, 255, 255, .9);
  background: rgba(255, 255, 255, .14);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-4);
}

.trial-form {
  text-align: left;
  max-width: 480px;
  margin: 0 auto;
}
.trial-form .field { margin-bottom: var(--space-4); }
.trial-form label { color: rgba(255, 255, 255, .9); }
.trial-form .input,
.trial-form .select {
  background: #fff;
  border-color: transparent;
  box-shadow: 0 1px 0 rgba(0, 0, 0, .04), 0 4px 12px rgba(0, 0, 0, .06);
}
.trial-form .input:focus,
.trial-form .select:focus {
  border-color: rgba(255, 255, 255, .8);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, .35);
}
.trial-form__submit {
  width: 100%;
  justify-content: center;
  margin-top: var(--space-3);
}
.trial-form__legal {
  font-size: var(--fs-small);
  color: rgba(255, 255, 255, .7);
  text-align: center;
  margin: var(--space-4) 0 0;
}

.trial-success {
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: var(--radius-xl);
  padding: var(--space-7);
  color: #fff;
}
.trial-success__icon {
  width: 72px; height: 72px;
  display: grid; place-items: center;
  background: var(--color-success);
  border-radius: var(--radius-pill);
  margin: 0 auto var(--space-4);
}
.trial-success h3 { color: #fff; margin-bottom: var(--space-2); }
.trial-success p { color: rgba(255, 255, 255, .85); margin: 0; }

/* ===================== 7. Footer ===================== */
.site-footer {
  background: var(--color-bg-inverted);
  color: var(--color-text-on-dark);
  padding-block: var(--space-8) var(--space-6);
}
.site-footer__top {
  display: grid; gap: var(--space-7);
  grid-template-columns: 1fr;
}
@media (min-width: 834px) {
  .site-footer__top {
    grid-template-columns: 1.2fr 2fr;
    gap: var(--space-9);
  }
}
.site-footer__brand p {
  color: rgba(255, 255, 255, .6);
  margin: var(--space-4) 0 0;
  max-width: 320px;
  font-size: var(--fs-small);
}
.site-footer__nav {
  display: grid; gap: var(--space-6);
  grid-template-columns: repeat(3, 1fr);
}
.site-footer__nav h4 {
  font-size: var(--fs-small);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: rgba(255, 255, 255, .5);
  margin-bottom: var(--space-4);
}
.site-footer__nav ul {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: var(--space-3);
}
.site-footer__nav a {
  color: rgba(255, 255, 255, .85);
  font-size: var(--fs-small);
}
.site-footer__nav a:hover { color: #fff; text-decoration: underline; }

.site-footer__bottom {
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255, 255, 255, .1);
  font-size: 13px;
  color: rgba(255, 255, 255, .55);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  justify-content: space-between;
}
.site-footer__trust {
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-footer__trust li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  color: rgba(255, 255, 255, .65);
  padding: 4px 10px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius-pill);
}

/* ===================== 8. Motion ===================== */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity var(--dur-slow) var(--ease-out),
                transform var(--dur-slow) var(--ease-out);
  }
  .reveal.is-revealed {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}