/* =====================================================
   Amazing Açaí — Guia da Máquina
   MOBILE FIRST — base styles para telemóvel,
   progressive enhancement para tablet e desktop.
   Identidade da marca: skill /amazing-acai-identity
   ===================================================== */

:root {
  --color-primary:        #684c9a;
  --color-cream:          #fdf9dc;
  --color-deep-night:     #0f0622;

  --grad-1:               #7c58b2;
  --grad-2:               #6244a0;
  --grad-3:               #4e3388;
  --grad-4:               #3a2272;
  --grad-5:               #2c1862;

  --color-primary-dark:   #4d3675;
  --color-primary-deeper: #2e1f4d;
  --color-primary-light:  #8f6fbd;
  --color-cream-soft:     #f7f0d8;
  --color-bg:             #fdf9f4;
  --color-bg-soft:        #f5f0fa;
  --color-text:           #1a0f2e;
  --color-text-muted:     #6b5c8a;
  --color-border:         #E2E0F5;
  --color-success:        #2A8A5A;
  --color-bad:            #B22222;

  --text-on-purple-1:     #fdf9dc;
  --text-on-purple-2:     rgba(253, 249, 220, 0.42);
  --text-on-purple-3:     rgba(253, 249, 220, 0.18);

  --text-shadow-base:     0 2px 6px rgba(0,0,0,0.35);

  --shadow-sm:            0 1px 3px rgba(15,6,34,.08);
  --shadow-md:            0 4px 12px rgba(15,6,34,.14);
  --shadow-lg:            0 12px 32px rgba(15,6,34,.20);
  --shadow-card:          0 6px 24px -8px rgba(15,6,34,.20);

  --radius-sm:            6px;
  --radius-md:            12px;
  --radius-lg:            18px;
  --radius-xl:            24px;

  --transition:           220ms cubic-bezier(.2,.7,.3,1);

  --container-max:        1200px;
  --container-narrow:     920px;
}

/* ── Reset ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 60px;
}
body {
  margin: 0;
  font-family: 'Playfair Display', Georgia, 'Times New Roman', serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover, a:active { color: var(--color-primary-dark); }
button { font: inherit; }

/* ── Tipografia mobile first ─────────────────────── */
h1, h2, h3, h4, h5 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 600;
  font-style: italic;
  line-height: 1.2;
  letter-spacing: -0.3px;
  color: var(--color-text);
  margin: 0 0 .85rem;
}
h1 { font-size: 1.85rem; font-weight: 600; line-height: 1.18; }
h1 em { font-style: italic; color: var(--color-primary); }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.15rem; }
h4 { font-size: 1rem; }
p { margin: 0 0 .9rem; }
strong { font-weight: 600; font-style: normal; }

/* Caps tracked elements (eyebrow, badges) */
.section-eyebrow,
.top-bar__free,
.hero__badge,
.cert-pill,
.system-card__badge,
.model-card__featured-tag,
.form-header__free-badge,
.lang-switch__btn {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 400;
  font-style: normal;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

/* ── Containers ─────────────────────────────────── */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.1rem;
}
.container--narrow { max-width: var(--container-narrow); }

.section { padding-block: 2.75rem; }
.section--soft  { background: var(--color-bg-soft); }
.section--cream { background: var(--color-cream-soft); }

.section--dark {
  position: relative;
  background:
    radial-gradient(ellipse 75% 70% at 50% 25%,
      var(--grad-1) 0%, var(--grad-2) 25%, var(--grad-3) 50%, var(--grad-4) 70%, var(--grad-5) 100%);
  color: var(--color-cream);
  overflow: hidden;
}
.section--dark::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 50% 30% at 50% 5%,
    rgba(180, 150, 240, 0.14) 0%, transparent 70%);
  pointer-events: none;
}
.section--dark::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 90% 80% at 50% 100%,
    transparent 35%, rgba(20, 8, 45, 0.5) 100%);
  pointer-events: none;
}
.section--dark > .container { position: relative; z-index: 1; }
.section--dark h1, .section--dark h2, .section--dark h3, .section--dark h4 {
  color: var(--color-cream);
  text-shadow: var(--text-shadow-base);
}
.section--dark p {
  color: var(--text-on-purple-1);
  text-shadow: var(--text-shadow-base);
}

.section-header { margin-bottom: 1.85rem; }
.section-header h2 { margin-bottom: .65rem; }
.section-header p {
  color: var(--color-text-muted);
  font-size: 1rem;
  font-style: italic;
  line-height: 1.55;
}
.section-header--center { text-align: center; }
.section--dark .section-header p { color: var(--text-on-purple-1); }

.section-eyebrow {
  font-size: .72rem;
  letter-spacing: 0.18em;
  color: var(--color-primary);
  margin: 0 0 .65rem;
}
.section--dark .section-eyebrow {
  color: var(--text-on-purple-2);
  letter-spacing: 0.22em;
}

/* ── Buttons ────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .85rem 1.3rem;
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 600;
  font-style: italic;
  font-size: .95rem;
  border-radius: var(--radius-md);
  border: 0;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition), color var(--transition);
  white-space: nowrap;
  letter-spacing: 0.01em;
  min-height: 44px;
}
.btn--sm { padding: .55rem 1rem; font-size: .85rem; min-height: 36px; }
.btn--lg { padding: 1rem 1.6rem; font-size: 1rem; min-height: 50px; }
.btn--primary {
  background: var(--color-primary);
  color: var(--color-cream);
}
.btn--primary:hover, .btn--primary:active {
  background: var(--color-primary-dark);
  color: var(--color-cream);
  box-shadow: var(--shadow-md);
}
.btn--outline-white {
  background: transparent;
  border: 1.5px solid rgba(253,249,220,.5);
  color: var(--color-cream);
}
.btn--outline-white:hover, .btn--outline-white:active {
  background: rgba(253,249,220,.1);
  border-color: var(--color-cream);
  color: var(--color-cream);
}
.btn-group {
  display: flex;
  flex-direction: column;
  gap: .65rem;
  margin-top: 1.25rem;
}
.btn-group .btn { width: 100%; }

/* ── Top bar ────────────────────────────────────── */
.top-bar {
  background: var(--color-deep-night);
  color: var(--color-cream);
  padding-block: .5rem;
  font-size: .75rem;
}
.top-bar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: .65rem;
  flex-wrap: wrap;
}
.top-bar__free {
  font-size: .68rem;
  letter-spacing: 0.16em;
  color: var(--color-cream);
  flex: 1;
  min-width: 0;
}
.lang-switch { display: inline-flex; gap: 2px; flex-shrink: 0; }
.lang-switch__btn {
  background: transparent;
  border: 1px solid rgba(253,249,220,.25);
  color: rgba(253,249,220,.7);
  padding: .25rem .55rem;
  font-size: .68rem;
  letter-spacing: 0.18em;
  cursor: pointer;
  font-family: 'Playfair Display', Georgia, serif;
  border-radius: 4px;
  transition: all var(--transition);
}
.lang-switch__btn.is-active {
  background: var(--color-cream);
  color: var(--color-deep-night);
  border-color: var(--color-cream);
}

/* ── Header ─────────────────────────────────────── */
.site-header {
  background: var(--color-deep-night);
  position: sticky; top: 0; z-index: 100;
  border-bottom: 1px solid rgba(253,249,220,.08);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: .75rem;
  gap: .75rem;
}
.nav__logo {
  display: inline-flex;
  align-items: center;
  filter: drop-shadow(0 4px 24px rgba(0,0,0,0.35));
  flex-shrink: 0;
}
.nav__logo img { height: 36px; width: auto; }

/* ── Hero ───────────────────────────────────────── */
.hero {
  position: relative;
  padding-block: 3rem;
  background:
    radial-gradient(ellipse 80% 70% at 50% 25%,
      var(--grad-1) 0%, var(--grad-2) 25%, var(--grad-3) 50%, var(--grad-4) 70%, var(--grad-5) 100%);
  color: var(--color-cream);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 50% 30% at 50% 5%,
    rgba(180, 150, 240, 0.14) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 90% 80% at 50% 100%,
    transparent 35%, rgba(20, 8, 45, 0.55) 100%);
  pointer-events: none;
}
.hero__inner { position: relative; z-index: 1; }
.hero__content { max-width: 880px; }

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-bottom: 1.1rem;
}
.hero__badge {
  font-size: .65rem;
  letter-spacing: 0.14em;
  color: var(--color-cream);
  background: rgba(253,249,220,.08);
  border: 1px solid rgba(253,249,220,.18);
  padding: .4rem .8rem;
  border-radius: 999px;
}
.hero__badge--free {
  background: var(--color-cream);
  color: var(--color-primary-deeper);
  border-color: var(--color-cream);
  font-weight: 600;
}

.hero h1 {
  color: var(--color-cream);
  margin-bottom: 1.1rem;
  text-shadow: var(--text-shadow-base);
  letter-spacing: -0.3px;
  font-size: 1.85rem;
}
.hero h1 em {
  color: var(--color-cream);
  opacity: .82;
}
.hero__sub {
  font-size: 1.02rem;
  color: var(--color-cream);
  font-style: italic;
  margin-bottom: 1.25rem;
  line-height: 1.55;
  text-shadow: var(--text-shadow-base);
}
.hero__sub strong {
  color: var(--color-cream);
  font-style: normal;
  font-weight: 600;
}

.hero .btn--primary {
  background: var(--color-cream);
  color: var(--color-primary-deeper);
}
.hero .btn--primary:hover, .hero .btn--primary:active {
  background: #fff;
  color: var(--color-primary-deeper);
}

.hero__social-proof {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(253,249,220,.18);
}
.hero__social-proof-item {
  display: flex;
  align-items: baseline;
  gap: .65rem;
  flex-wrap: wrap;
}
.hero__social-proof-item strong {
  font-family: 'Playfair Display', serif;
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--color-cream);
  font-style: italic;
  line-height: 1;
  text-shadow: var(--text-shadow-base);
  flex-shrink: 0;
}
.hero__social-proof-item span {
  font-size: .82rem;
  color: var(--text-on-purple-2);
  letter-spacing: 0.04em;
  font-style: italic;
}

/* ── Origin block ───────────────────────────────── */
.origin-block {
  position: relative;
  background: var(--color-cream);
  border-radius: var(--radius-xl);
  padding: 1.85rem 1.4rem;
  text-align: center;
  box-shadow:
    0 0 0 2px var(--color-cream),
    0 0 0 5px var(--color-primary),
    0 0 0 9px rgba(104, 76, 154, 0.22),
    0 16px 40px -8px rgba(20, 8, 45, 0.3);
  margin: .5rem 0;
}
.origin-block__quote-mark {
  font-family: 'Playfair Display', serif;
  font-size: 4rem;
  font-style: italic;
  font-weight: 600;
  color: var(--color-primary);
  line-height: .35;
  margin-bottom: .35rem;
  opacity: .5;
}
.origin-block__text {
  font-size: 1rem;
  font-style: italic;
  line-height: 1.55;
  color: var(--color-text);
  margin: 0 0 1rem;
}
.origin-block__signature {
  font-style: italic;
  font-size: .9rem;
  color: var(--color-primary);
  letter-spacing: 0.04em;
  margin: 0;
}

/* ── Comparison table ───────────────────────────── */
.comparison-table {
  background: var(--color-cream);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  margin-block: 1.5rem;
  border: 1px solid var(--color-border);
  font-size: .88rem;
}
.comparison-table table { width: 100%; border-collapse: collapse; }
.comparison-table th,
.comparison-table td {
  padding: .7rem .75rem;
  text-align: left;
  border-bottom: 1px solid rgba(104,76,154,.1);
  vertical-align: top;
}
.comparison-table thead th {
  background: rgba(104,76,154,.06);
  font-style: italic;
  font-weight: 600;
  color: var(--color-text);
  font-size: .8rem;
  letter-spacing: 0.04em;
}
.comparison-table .th-good { color: var(--color-success); }
.comparison-table .th-bad { color: var(--color-bad); }
.comparison-table .cell-good {
  color: var(--color-text);
  font-weight: 500;
  font-style: italic;
}
.comparison-table .cell-bad {
  color: var(--color-text-muted);
  font-style: italic;
  opacity: .85;
}
.comparison-table tbody tr:last-child td { border-bottom: 0; }

/* ── Teaser cards ───────────────────────────────── */
.teaser-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-block: 2rem;
}
.teaser-card {
  position: relative;
  background: var(--color-cream);
  border: 1px solid rgba(104,76,154,.15);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.25rem;
  box-shadow: var(--shadow-card);
}
.teaser-card__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--color-primary);
  background: rgba(104,76,154,.1);
  width: 2.4rem; height: 2.4rem;
  border-radius: 50%;
  margin-bottom: .85rem;
}
.teaser-card h3 {
  margin-bottom: .45rem;
  color: var(--color-primary-deeper);
  font-size: 1.1rem;
}
.teaser-card p {
  font-size: .92rem;
  color: var(--color-text-muted);
  margin: 0;
  font-style: italic;
  line-height: 1.55;
}
.teaser-card--accent {
  background:
    radial-gradient(ellipse 70% 100% at 50% 0%,
      var(--grad-2) 0%, var(--grad-4) 60%, var(--grad-5) 100%);
  border-color: transparent;
  color: var(--color-cream);
}
.teaser-card--accent::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 50% 35% at 50% 5%,
    rgba(180, 150, 240, 0.18) 0%, transparent 70%);
  pointer-events: none;
  border-radius: var(--radius-lg);
}
.teaser-card--accent > * { position: relative; z-index: 1; }
.teaser-card--accent h3 { color: var(--color-cream); text-shadow: var(--text-shadow-base); }
.teaser-card--accent p { color: var(--text-on-purple-1); text-shadow: var(--text-shadow-base); }
.teaser-card--accent .teaser-card__num {
  background: rgba(253,249,220,.18);
  color: var(--color-cream);
}

.teaser-cta {
  text-align: center;
  margin-top: 1.85rem;
}
.teaser-cta__hint {
  font-size: .98rem;
  color: var(--color-primary);
  font-weight: 600;
  font-style: italic;
  letter-spacing: 0.02em;
  animation: bounce-down 2.4s infinite;
  line-height: 1.45;
}
@keyframes bounce-down {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ── Form ───────────────────────────────────────── */
.form-wrap {
  position: relative;
  background: var(--color-cream);
  border-radius: var(--radius-xl);
  padding: 1.5rem 1.25rem;
  box-shadow:
    0 0 0 2px var(--color-cream),
    0 0 0 5px var(--color-primary),
    0 0 0 9px rgba(104, 76, 154, 0.22),
    0 16px 40px -6px rgba(20, 8, 45, 0.35);
  margin: .5rem 0;
}
.form-header { text-align: center; margin-bottom: 1.5rem; }
.form-header__logo {
  height: 48px;
  margin: 0 auto 1rem;
  display: block;
}
.form-header__free-badge {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-cream);
  padding: .35rem .85rem;
  border-radius: 999px;
  font-size: .68rem;
  letter-spacing: 0.2em;
  margin-bottom: .85rem;
}
.form-header h2 {
  margin-bottom: .55rem;
  color: var(--color-primary-deeper);
}
.form-header p {
  color: var(--color-text-muted);
  font-style: italic;
  font-size: .95rem;
}

.form-promises {
  list-style: none;
  padding: 0;
  margin: 1.25rem 0 0;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.form-promises li {
  font-size: .88rem;
  font-style: italic;
  color: var(--color-text);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
}
.form-group { display: flex; flex-direction: column; }
.form-group--full { grid-column: 1 / -1; }
.form-group label {
  font-family: 'Playfair Display', serif;
  font-size: .88rem;
  font-style: italic;
  font-weight: 600;
  margin-bottom: .35rem;
  color: var(--color-text);
}
.form-group input,
.form-group select {
  padding: .85rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 16px;
  color: var(--color-text);
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
  min-height: 48px;
  -webkit-appearance: none;
  appearance: none;
}
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23684c9a' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}
.form-group input:focus,
.form-group select:focus {
  outline: 0;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(104,76,154,.14);
}
.form-group .required { color: var(--color-bad); margin-left: 2px; }

.form-section-label {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-weight: 600;
  font-size: .78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-primary);
  border-top: 1px solid rgba(104,76,154,.15);
  padding-top: 1.1rem;
  margin-top: .25rem;
}

.form-checkbox {
  flex-direction: row;
  align-items: flex-start;
  gap: .65rem;
}
.form-checkbox input[type="checkbox"] {
  margin-top: .25rem;
  width: 20px; height: 20px;
  flex-shrink: 0;
  accent-color: var(--color-primary);
}
.form-checkbox label {
  margin: 0;
  font-size: .85rem;
  font-weight: 400;
  font-style: italic;
  color: var(--color-text-muted);
  line-height: 1.5;
}
.form-checkbox label a { text-decoration: underline; }

.form-submit { text-align: center; margin-top: 1.5rem; }
.form-submit .btn { width: 100%; }
.form-submit__hint {
  margin-top: .75rem;
  font-size: .82rem;
  color: var(--color-text-muted);
  font-style: italic;
}

.form-success,
.form-error {
  text-align: center;
  padding: 2rem 1.25rem;
  background: var(--color-bg-soft);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(104,76,154,.15);
}
.form-success__icon { font-size: 2.5rem; margin-bottom: .35rem; }
.form-success h3 { color: var(--color-success); margin-bottom: .5rem; }
.form-success .btn { margin-top: 1rem; }
.form-error h3 { color: var(--color-bad); margin-bottom: .5rem; }

/* ── Gated reveal ───────────────────────────────── */
.gated-content {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 700ms ease, transform 700ms ease;
}
.gated-content.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

.dark-section-logo {
  height: 44px;
  margin: 0 auto 1.1rem;
  display: block;
  filter: drop-shadow(0 4px 24px rgba(0,0,0,0.35));
}

/* ── Systems grid ───────────────────────────────── */
.systems-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.system-card {
  background: var(--color-cream);
  border: 1px solid rgba(104,76,154,.15);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.25rem;
  box-shadow: var(--shadow-card);
}
.system-card--primary {
  border-color: var(--color-primary);
  border-width: 2px;
  box-shadow:
    0 0 0 1px var(--color-primary),
    0 8px 28px -6px rgba(104,76,154,.3);
}
.system-card__badge {
  display: inline-block;
  font-size: .68rem;
  letter-spacing: 0.16em;
  color: var(--color-success);
  background: rgba(42,138,90,.1);
  padding: .35rem .8rem;
  border-radius: 999px;
  margin-bottom: .85rem;
}
.system-card__badge--warn {
  color: var(--color-text-muted);
  background: rgba(107,92,138,.12);
}
.system-card__badge--bad {
  color: var(--color-bad);
  background: rgba(178,34,34,.08);
}
.system-card h3 {
  color: var(--color-primary-deeper);
  margin-bottom: .5rem;
}
.system-card__desc {
  font-size: .92rem;
  color: var(--color-text-muted);
  margin-bottom: .85rem;
  font-style: italic;
}
.system-card__list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: .88rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.system-card__list li {
  color: var(--color-text);
  font-style: italic;
}

/* ── Certifications row ─────────────────────────── */
.certifications-row {
  display: flex;
  gap: .45rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-block: 1.5rem;
}
.cert-pill {
  background: var(--color-cream);
  border: 1.5px solid var(--color-primary);
  color: var(--color-primary);
  padding: .4rem .85rem;
  border-radius: 999px;
  font-size: .72rem;
  letter-spacing: 0.1em;
}
.cert-pill--accent {
  background: var(--color-primary);
  color: var(--color-cream);
  letter-spacing: 0.06em;
}

/* ── Models grid ───────────────────────────────── */
.models-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-block: 1.85rem;
}
.model-card {
  position: relative;
  background: var(--color-cream);
  border: 1px solid rgba(104,76,154,.15);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.25rem;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
}
.model-card--featured {
  border-color: var(--color-primary);
  border-width: 2px;
  box-shadow:
    0 0 0 1px var(--color-primary),
    0 0 0 5px rgba(104,76,154,.15),
    0 12px 32px -8px rgba(104,76,154,.35);
}
.model-card__featured-tag {
  position: absolute;
  top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--color-primary);
  color: var(--color-cream);
  font-size: .65rem;
  letter-spacing: 0.16em;
  padding: .35rem .85rem;
  border-radius: 999px;
  white-space: nowrap;
}
.model-card__header h3 {
  font-size: 1.4rem;
  font-style: italic;
  color: var(--color-primary-deeper);
  margin-bottom: .25rem;
}
.model-card__tag {
  font-size: .85rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: 1rem;
}
.model-card__specs {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.model-card__specs li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .88rem;
  padding-bottom: .5rem;
  border-bottom: 1px solid rgba(104,76,154,.1);
  font-style: italic;
  gap: .65rem;
}
.model-card__specs li:last-child { border-bottom: 0; padding-bottom: 0; }
.model-card__specs span { color: var(--color-text-muted); flex-shrink: 0; }
.model-card__specs strong {
  color: var(--color-text);
  font-weight: 600;
  font-style: normal;
  text-align: right;
}
.model-card__specs .strong-good { color: var(--color-success); }
.model-card__for {
  margin-top: auto;
  font-size: .88rem;
  color: var(--color-text);
  background: rgba(104,76,154,.06);
  padding: .75rem .9rem;
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-primary);
  font-style: italic;
  line-height: 1.5;
}
.model-card__for strong {
  color: var(--color-primary-deeper);
  font-style: normal;
}

/* ── Callout ────────────────────────────────────── */
.callout {
  background: var(--color-cream-soft);
  border-left: 4px solid var(--color-primary);
  padding: 1.1rem 1.25rem;
  border-radius: var(--radius-md);
  margin-top: 1.25rem;
}
.callout h4 {
  color: var(--color-primary-deeper);
  margin-bottom: .4rem;
  font-style: italic;
}
.callout p {
  margin: 0;
  font-size: .92rem;
  color: var(--color-text);
  font-style: italic;
}

/* ── Scenario card ──────────────────────────────── */
.scenario-card {
  background: var(--color-cream);
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.1rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(104,76,154,.15);
}
.scenario-card__header {
  border-bottom: 1px solid rgba(104,76,154,.12);
  padding-bottom: .85rem;
  margin-bottom: 1rem;
}
.scenario-card__header h3 {
  margin-bottom: .35rem;
  color: var(--color-primary-deeper);
  font-size: 1.1rem;
  line-height: 1.3;
}
.scenario-card__header p {
  color: var(--color-text-muted);
  font-size: .85rem;
  margin: 0;
  font-style: italic;
}
.scenario-card__machine {
  margin-top: .5rem !important;
  font-size: .85rem !important;
  color: var(--color-primary) !important;
}
.scenario-card__machine strong {
  color: var(--color-primary-deeper);
  font-style: normal;
}

.roi-table {
  margin-block: 1rem;
  overflow-x: auto;
  border-radius: var(--radius-sm);
  -webkit-overflow-scrolling: touch;
}
.roi-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: .85rem;
  min-width: 380px;
}
.roi-table th, .roi-table td {
  padding: .55rem .65rem;
  text-align: left;
  border-bottom: 1px solid rgba(104,76,154,.1);
}
.roi-table thead th {
  background: rgba(104,76,154,.05);
  font-style: italic;
  font-weight: 600;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}
.roi-table tbody tr:last-child td { border-bottom: 0; }
.roi-table .row-revenue { background: rgba(104,76,154,.05); }
.roi-table .row-margin {
  background: rgba(42,138,90,.08);
  color: var(--color-success);
}
.roi-table .row-margin td { font-size: .9rem; }
.roi-table td:not(:first-child) {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  white-space: nowrap;
}

.scenario-card__footer {
  display: grid;
  grid-template-columns: 1fr;
  gap: .85rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(104,76,154,.12);
}
.metric { display: flex; flex-direction: column; }
.metric span {
  font-size: .68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: .25rem;
}
.metric strong {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-text);
}
.metric--accent strong { color: var(--color-primary); }

.scenario-card__note {
  margin-top: 1rem;
  padding: .85rem 1rem;
  background: var(--color-cream-soft);
  border-radius: var(--radius-md);
  font-size: .88rem;
  color: var(--color-text);
  border-left: 3px solid var(--color-primary);
  font-style: italic;
  line-height: 1.5;
}

/* ── Errors list ────────────────────────────────── */
.errors-list { display: flex; flex-direction: column; gap: 1rem; }
.error-item {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  background: var(--color-cream);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.1rem;
  box-shadow: var(--shadow-card);
  border-left: 4px solid var(--color-primary);
}
.error-item__num {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-weight: 600;
  font-size: 1.85rem;
  color: var(--color-primary);
  opacity: .35;
  line-height: 1;
}
.error-item__body h3 {
  color: var(--color-primary-deeper);
  margin-bottom: .55rem;
  font-size: 1.05rem;
}
.error-item__body p {
  font-size: .92rem;
  margin-bottom: .55rem;
  font-style: italic;
  line-height: 1.5;
}
.error-item__body p:last-child { margin-bottom: 0; }
.error-item__cost {
  background: rgba(178,34,34,.06);
  border-radius: var(--radius-sm);
  padding: .6rem .8rem;
  color: var(--color-text);
}
.error-item__fix {
  background: rgba(42,138,90,.07);
  border-radius: var(--radius-sm);
  padding: .6rem .8rem;
  color: var(--color-text);
}

/* ── Strategy grid ──────────────────────────────── */
.strategy-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.strategy-card {
  background: var(--color-cream);
  border: 1px solid rgba(104,76,154,.15);
  border-radius: var(--radius-lg);
  padding: 1.35rem 1.2rem;
  box-shadow: var(--shadow-card);
}
.strategy-card__num {
  display: inline-block;
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 1.6rem;
  color: var(--color-primary);
  margin-bottom: .55rem;
}
.strategy-card h3 {
  font-size: 1.05rem;
  color: var(--color-primary-deeper);
  margin-bottom: .5rem;
}
.strategy-card p {
  font-size: .9rem;
  color: var(--color-text-muted);
  margin: 0;
  font-style: italic;
}

/* ── Benefits grid (dark) ───────────────────────── */
.benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-block: 1.85rem;
}
.benefit-item {
  background: rgba(253,249,220,.07);
  border: 1px solid rgba(253,249,220,.15);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  text-align: center;
}
.benefit-item--featured {
  background: rgba(253,249,220,.18);
  border-color: var(--color-cream);
  box-shadow:
    0 0 0 1px rgba(253,249,220,.4),
    0 0 0 5px rgba(253,249,220,.1);
}
.benefit-item__icon { font-size: 2rem; display: block; margin-bottom: .4rem; }
.benefit-item h4 {
  font-size: 1rem;
  color: var(--color-cream);
  margin-bottom: .35rem;
  font-style: italic;
  text-shadow: var(--text-shadow-base);
}
.benefit-item p {
  font-size: .85rem;
  color: var(--text-on-purple-1);
  margin: 0;
  font-style: italic;
  text-shadow: var(--text-shadow-base);
}

.cta-final {
  display: flex;
  flex-direction: column;
  gap: .65rem;
  margin-top: 1.25rem;
}
.cta-final .btn { width: 100%; }
.section--dark .cta-final .btn--primary {
  background: var(--color-cream);
  color: var(--color-primary-deeper);
}
.cta-final__hint {
  text-align: center;
  margin-top: 1.1rem;
  font-size: .85rem;
  color: var(--text-on-purple-1);
  font-style: italic;
  text-shadow: var(--text-shadow-base);
  word-break: break-word;
}

/* ── Footer ─────────────────────────────────────── */
.site-footer {
  background: var(--color-deep-night);
  color: var(--text-on-purple-1);
  padding-block: 2.5rem 1.5rem;
}
.site-footer h4 {
  color: var(--color-cream);
  font-size: .78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-style: italic;
  margin-bottom: .85rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.85rem;
  margin-bottom: 2rem;
}
.footer-brand p {
  font-size: .9rem;
  margin-top: .85rem;
  font-style: italic;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: .5rem; }
.footer-col a {
  color: var(--text-on-purple-1);
  font-size: .9rem;
  font-style: italic;
}
.footer-col a:hover { color: var(--color-cream); }
.footer-col address {
  font-style: italic;
  font-size: .9rem;
  line-height: 1.7;
}
.footer-bottom {
  padding-top: 1.25rem;
  border-top: 1px solid rgba(253,249,220,.12);
  display: flex;
  flex-direction: column;
  gap: .65rem;
  font-size: .8rem;
  font-style: italic;
}
.footer-bottom a { color: var(--text-on-purple-2); }

/* ── WhatsApp float ─────────────────────────────── */
.whatsapp-float {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  width: 52px; height: 52px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,.5);
  z-index: 99;
}
.whatsapp-float svg { width: 28px; height: 28px; fill: white; }

/* ── Sticky CTA ─────────────────────────────────── */
.sticky-cta {
  position: fixed;
  bottom: -100px;
  left: 0; right: 0;
  background: var(--color-deep-night);
  border-top: 1px solid rgba(253,249,220,.15);
  padding-block: .65rem;
  z-index: 98;
  transition: bottom 350ms cubic-bezier(.2,.7,.3,1);
  box-shadow: 0 -6px 24px rgba(15,6,34,.3);
  padding-right: 4.5rem;
}
.sticky-cta.is-visible { bottom: 0; }
.sticky-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
}
.sticky-cta__text {
  display: flex;
  flex-direction: column;
  gap: 1px;
  color: var(--color-cream);
  flex: 1;
  min-width: 0;
}
.sticky-cta__text strong {
  font-style: italic;
  font-size: .88rem;
}
.sticky-cta__text small {
  font-size: .65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-on-purple-2);
}
.sticky-cta .btn { flex-shrink: 0; }

/* ── Fade up ────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 700ms ease, transform 700ms ease;
}
.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Bilingual visibility ───────────────────────── */
html[data-lang="pt"] .lang-en,
html[data-lang="en"] .lang-pt { display: none; }


/* ═════════════════════════════════════════════════
   Tablet (≥ 600px)
   ═════════════════════════════════════════════════ */
@media (min-width: 600px) {

  body { font-size: 17px; }

  h1 { font-size: 2.4rem; }
  h2 { font-size: 1.85rem; }
  h3 { font-size: 1.25rem; }

  .container { padding-inline: 1.5rem; }
  .section { padding-block: 3.5rem; }

  .nav__logo img { height: 40px; }

  .hero { padding-block: 4.5rem; }
  .hero h1 { font-size: 2.6rem; }
  .hero__sub { font-size: 1.1rem; }
  .hero__badges { gap: .55rem; margin-bottom: 1.4rem; }
  .hero__badge { font-size: .7rem; padding: .45rem .9rem; }

  .hero__social-proof {
    flex-direction: row;
    gap: 2rem;
    margin-top: 2.5rem;
    padding-top: 1.85rem;
  }
  .hero__social-proof-item { flex-direction: column; gap: .15rem; }
  .hero__social-proof-item strong { font-size: 1.85rem; }

  .btn-group { flex-direction: row; gap: .85rem; }
  .btn-group .btn { width: auto; }

  .origin-block { padding: 2.5rem 2rem; }
  .origin-block__quote-mark { font-size: 5rem; }
  .origin-block__text { font-size: 1.15rem; }

  .teaser-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .form-wrap { padding: 2rem 1.85rem; }
  .form-header__logo { height: 56px; }
  .form-header h2 { font-size: 1.6rem; }
  .form-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.2rem 1.4rem;
  }
  .form-promises {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .55rem 1.25rem;
  }

  .systems-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .models-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.4rem;
  }
  .model-card--featured { transform: scale(1.02); }
  .model-card__header h3 { font-size: 1.55rem; }

  .scenario-card { padding: 1.85rem 1.5rem; }
  .scenario-card__header h3 { font-size: 1.25rem; }
  .scenario-card__footer {
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }
  .roi-table table { font-size: .92rem; }

  .error-item {
    flex-direction: row;
    gap: 1.25rem;
    padding: 1.5rem;
  }
  .error-item__num { font-size: 2.5rem; flex-shrink: 0; }
  .error-item__body h3 { font-size: 1.15rem; }

  .strategy-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .cta-final {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
  }
  .cta-final .btn { width: auto; }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .top-bar__free { font-size: .75rem; }
}


/* ═════════════════════════════════════════════════
   Desktop (≥ 920px)
   ═════════════════════════════════════════════════ */
@media (min-width: 920px) {

  body { font-size: 17px; }

  h1 { font-size: 3.2rem; letter-spacing: -0.5px; }
  h2 { font-size: 2.25rem; }
  h3 { font-size: 1.4rem; }
  h4 { font-size: 1.1rem; }

  .container { padding-inline: 2rem; }
  .section { padding-block: 5rem; }

  .nav__logo img { height: 44px; }

  .hero { padding-block: 6rem; }
  .hero h1 { font-size: 3.6rem; line-height: 1.12; }
  .hero__sub { font-size: 1.2rem; max-width: 760px; }
  .hero__social-proof { gap: 2.5rem; padding-top: 2rem; margin-top: 2.5rem; }
  .hero__social-proof-item strong { font-size: 2rem; }

  .origin-block {
    padding: 3rem 2.5rem;
    box-shadow:
      0 0 0 3px var(--color-cream),
      0 0 0 8px var(--color-primary),
      0 0 0 13px rgba(104, 76, 154, 0.22),
      0 20px 50px -8px rgba(20, 8, 45, 0.35);
  }
  .origin-block__text { font-size: 1.25rem; max-width: 720px; margin-inline: auto; }

  .section-header { margin-bottom: 2.5rem; }
  .section-header p { font-size: 1.08rem; max-width: 720px; }
  .section-header--center p { margin-inline: auto; }

  .teaser-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-block: 2.5rem;
  }
  .teaser-card { padding: 1.85rem 1.6rem; }
  .teaser-card h3 { font-size: 1.2rem; }
  .teaser-card p { font-size: .98rem; }

  .form-wrap {
    padding: 2.75rem 2.5rem;
    box-shadow:
      0 0 0 3px var(--color-cream),
      0 0 0 8px var(--color-primary),
      0 0 0 13px rgba(104, 76, 154, 0.22),
      0 20px 50px -6px rgba(20, 8, 45, 0.4);
  }
  .form-header__logo { height: 60px; }
  .form-header h2 { font-size: 1.85rem; }

  .systems-grid { grid-template-columns: repeat(3, 1fr); }

  .models-grid { grid-template-columns: repeat(3, 1fr); }

  .scenario-card { padding: 1.85rem; }

  .strategy-grid { grid-template-columns: repeat(3, 1fr); }

  .benefits-grid { grid-template-columns: repeat(4, 1fr); }
  .benefit-item--featured { transform: scale(1.04); }

  .footer-grid {
    grid-template-columns: 1.4fr repeat(3, 1fr);
    gap: 2.5rem;
  }

  .whatsapp-float {
    width: 56px; height: 56px;
    bottom: 1.25rem; right: 1.25rem;
  }
  .whatsapp-float svg { width: 30px; height: 30px; }
  .whatsapp-float:hover { transform: scale(1.06); transition: transform var(--transition); }

  /* Hover effects only on devices that support them */
  @media (hover: hover) {
    .teaser-card { transition: transform var(--transition), box-shadow var(--transition); }
    .teaser-card:hover {
      transform: translateY(-3px);
      box-shadow: 0 0 0 1px var(--color-primary), var(--shadow-lg);
    }
    .btn--primary:hover { transform: translateY(-1px); }
  }
}