/* ============================================================
   AMORA — Design System & Global Styles
   Site Vitrine SEO-Otimizado
   ============================================================ */

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: 'General Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  color: oklch(0.25 0.01 280);
  background-color: oklch(0.985 0.003 280);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ---------- OKLCH Color Tokens ---------- */
:root {
  /* Brand — Amora Purple (Committed strategy: 30-60% surface) */
  --brand-50:  #F9F5FF;
  --brand-100: #F4EBFF;
  --brand-200: #E9D7FE;
  --brand-300: #D6BBFB;
  --brand-400: #B692F6;
  --brand-500: #9B72F4;
  --brand-600: #7E22CE; /* Principal: #7E22CE */
  --brand-700: #691CBE;
  --brand-800: #53149A;
  --brand-900: #3D0B75;

  /* Neutrals — tinted toward brand hue (no pure black/white) */
  --neutral-50:  oklch(0.98 0.005 280);
  --neutral-100: oklch(0.95 0.005 280);
  --neutral-200: oklch(0.90 0.008 280);
  --neutral-300: oklch(0.82 0.008 280);
  --neutral-400: oklch(0.65 0.01 280);
  --neutral-500: oklch(0.50 0.01 280);
  --neutral-600: oklch(0.40 0.01 280);
  --neutral-700: oklch(0.30 0.01 280);
  --neutral-800: oklch(0.20 0.008 280);
  --neutral-900: oklch(0.13 0.008 280);

  /* Accent — warm amber for contrast */
  --accent-400: oklch(0.75 0.15 70);
  --accent-500: oklch(0.68 0.16 70);

  /* Semantic */
  --success: oklch(0.65 0.18 145);
  --error:   oklch(0.58 0.20 25);
  --info:    oklch(0.60 0.18 240);

  /* Spacing scale (rhythm: vary for interest) */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  0.875rem;
  --space-lg:  1.125rem;
  --space-xl:  1.25rem;
  --space-2xl: 1.75rem;
  --space-3xl: 2.5rem;
  --space-4xl: 3.25rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1.25rem;
  --radius-xl: 1.75rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px oklch(0.20 0.005 280 / 0.06);
  --shadow-md: 0 4px 16px oklch(0.20 0.005 280 / 0.08);
  --shadow-lg: 0 8px 32px oklch(0.20 0.005 280 / 0.10);
  --shadow-brand: 0 8px 32px oklch(0.45 0.24 280 / 0.15);

  /* Layout */
  --max-width: 1200px;
  --header-height: 72px;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Satoshi', 'General Sans', sans-serif;
  font-weight: 700;
  line-height: 1.15;
  color: var(--neutral-900);
  letter-spacing: -0.02em;
}

/* Modular scale: ratio ~1.3 */
h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.7rem, 3.5vw, 2.5rem);
  font-weight: 700;
}

h3 {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  font-weight: 700;
}

h4 {
  font-size: 1.125rem;
  font-weight: 600;
}

p {
  max-width: 65ch;
  color: var(--neutral-500);
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* ---------- Utility Classes ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

.section {
  padding-block: var(--space-3xl);
}

.section--tight {
  padding-block: var(--space-2xl);
}

.section--spacious {
  padding-block: var(--space-4xl);
}

.text-brand { color: var(--brand-600); }
.text-muted { color: var(--neutral-400); }
.text-center { text-align: center; }
.text-left { text-align: left; }

.bg-white { background-color: oklch(0.995 0.002 280); }
.bg-neutral { background-color: var(--neutral-50); }
.bg-brand { background-color: var(--brand-600); }
.bg-brand-soft { background-color: var(--brand-50); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-full);
  font-family: 'Satoshi', sans-serif;
  font-weight: 700;
  font-size: 0.9375rem;
  border: none;
  cursor: pointer;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1),
              background-color 0.2s ease,
              box-shadow 0.2s ease;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

.btn--primary {
  background-color: var(--brand-600);
  color: oklch(0.98 0.005 280);
  box-shadow: var(--shadow-brand);
}

.btn--primary:hover {
  background-color: var(--brand-700);
  box-shadow: 0 12px 40px oklch(0.45 0.24 280 / 0.25);
}

.btn--outline {
  background-color: transparent;
  color: var(--neutral-700);
  border: 1.5px solid var(--neutral-200);
}

.btn--outline:hover {
  border-color: var(--brand-400);
  color: var(--brand-600);
}

.btn--white {
  background-color: oklch(0.995 0.002 280);
  color: var(--brand-700);
  box-shadow: var(--shadow-lg);
}

.btn--white:hover {
  background-color: var(--brand-50);
}

.btn--sm {
  padding: 0.625rem 1.25rem;
  font-size: 0.8125rem;
}

.btn .icon {
  font-size: 1.125rem;
  font-variation-settings: 'FILL' 0, 'wght' 500, 'GRAD' 0, 'opsz' 20;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  width: min(92%, var(--max-width));
  z-index: 100;
  background: oklch(0.995 0.002 280 / 0.72);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border: 1px solid oklch(0.90 0.008 280 / 0.5);
  border-radius: var(--radius-full);
  padding: 0.625rem 1.5rem 0.625rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 4px 24px oklch(0.20 0.005 280 / 0.06);
  transition: box-shadow 0.3s ease;
}

.site-header.scrolled {
  box-shadow: 0 8px 32px oklch(0.20 0.005 280 / 0.12);
}

.header-logo img {
  height: 34px;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.header-nav a {
  font-family: 'Satoshi', sans-serif;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--neutral-500);
  transition: color 0.2s ease;
  position: relative;
}

.header-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--brand-500);
  border-radius: 2px;
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.header-nav a:hover {
  color: var(--brand-600);
}

.header-nav a:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* Mobile menu */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
  color: var(--neutral-700);
}

.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: oklch(0.995 0.002 280 / 0.96);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.mobile-menu.open {
  display: flex;
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu a {
  font-family: 'Satoshi', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--neutral-800);
}

.mobile-close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--neutral-700);
}

@media (max-width: 768px) {
  .header-nav { display: none; }
  .header-actions .btn { display: none; }
  .mobile-toggle { display: block; }
}

/* ---------- Hero ---------- */
.hero-wrapper {
  position: relative;
  overflow: hidden;
  width: 100%;
  background-image: url('../images/bg-hero.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero {
  padding-top: calc(var(--header-height) + var(--space-3xl));
  padding-bottom: var(--space-3xl);
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: var(--space-2xl);
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-full);
  background: var(--brand-50);
  border: 1px solid var(--brand-100);
  color: var(--brand-600);
  font-size: 0.6875rem;
  font-weight: 700;
  font-family: 'Satoshi', sans-serif;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
}

.hero-badge .icon {
  font-size: 0.875rem;
}

.hero h1 span {
  color: var(--brand-600);
}

.hero-description {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.7;
  color: var(--neutral-400);
  margin-top: var(--space-lg);
}

.hero-description strong {
  color: var(--neutral-600);
  font-weight: 600;
}

.hero-ctas {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  flex-wrap: wrap;
}

.hero-seals {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  border-top: 1px solid var(--neutral-200);
  padding-top: var(--space-lg);
  margin-top: var(--space-xl);
  max-width: 360px;
}

.hero-seal {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.hero-seal-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--brand-50);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-600);
  flex-shrink: 0;
}

.hero-seal-icon .icon {
  font-size: 1rem;
}

.hero-seal > span {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--neutral-700);
  font-family: 'Satoshi', sans-serif;
}
.hero-content--centered {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
}

.hero-avatars {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

.avatar-stack {
  display: flex;
  margin-right: var(--space-md);
}

.avatar-stack img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid oklch(0.995 0.002 280); /* white border */
  margin-left: -8px;
}

.avatar-stack img:first-child {
  margin-left: 0;
}

.avatar-text {
  font-size: 0.8125rem;
  color: var(--neutral-500);
  font-weight: 500;
}

.hero-helper-text {
  font-size: 0.75rem;
  color: var(--neutral-400);
  margin-top: var(--space-xs);
}

/* Hero background elements */
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}

.hero-glow--1 {
  top: -80px;
  left: -120px;
  width: 500px;
  height: 500px;
  background: oklch(0.52 0.22 280 / 0.06);
}

.hero-glow--2 {
  bottom: -100px;
  right: -80px;
  width: 400px;
  height: 400px;
  background: oklch(0.60 0.18 240 / 0.05);
}

/* Hero form */
.hero-form-card {
  background: oklch(0.995 0.002 280);
  border: 1px solid var(--neutral-100);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 2;
}

.hero-form-card h3 {
  margin-bottom: var(--space-xs);
}

.hero-form-card .form-subtitle {
  font-size: 0.8125rem;
  color: var(--neutral-400);
  margin-bottom: var(--space-lg);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-family: 'Satoshi', sans-serif;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--neutral-600);
  margin-bottom: var(--space-sm);
}

.form-input-wrap {
  position: relative;
}

.form-input-wrap .icon {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.125rem;
  color: var(--neutral-300);
  pointer-events: none;
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  border: 1px solid var(--neutral-100);
  border-radius: var(--radius-md);
  background: var(--neutral-50);
  font-family: 'General Sans', sans-serif;
  font-size: 0.875rem;
  color: var(--neutral-800);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input::placeholder {
  color: var(--neutral-300);
}

.form-input:focus {
  border-color: var(--brand-400);
  box-shadow: 0 0 0 3px oklch(0.52 0.22 280 / 0.08);
}

.form-legal {
  font-size: 0.625rem;
  color: var(--neutral-300);
  text-align: center;
  margin-top: var(--space-md);
  line-height: 1.5;
}

@media (max-width: 968px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-form-card {
    max-width: 480px;
  }
}

#recursos {
  background-image: url('../images/bg-recursos.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

#ciencias {
  background-color: #ffffff;
  background-image: url('../images/bg-ciencias-v3.png');
  background-size: clamp(300px, 50vw, 800px);
  background-position: top left;
  background-repeat: no-repeat;
}

/* ---------- Sections: Science, Features, Simulator ---------- */

/* Kicker label */
.kicker {
  font-family: 'Satoshi', sans-serif;
  font-size: 0.6875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--brand-600);
  margin-bottom: var(--space-sm);
}

/* Section header */
.section-header {
  max-width: 600px;
  margin-bottom: var(--space-2xl);
}

.section-header.centered {
  margin-inline: auto;
  text-align: center;
}

.section-header p {
  margin-top: var(--space-sm);
  font-size: 0.9375rem;
}

/* Feature cards */
.card-grid {
  display: grid;
  gap: var(--space-lg);
}

.card-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

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

.card-grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 968px) {
  .card-grid--4 { grid-template-columns: repeat(2, 1fr); }
  .card-grid--3 { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .card-grid--4 { grid-template-columns: 1fr; }
  .card-grid--2 { grid-template-columns: 1fr; }
}

.card {
  background: oklch(0.995 0.002 280);
  border: 1px solid var(--neutral-100);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: box-shadow 0.3s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.card-icon--brand {
  background: var(--brand-50);
  color: var(--brand-600);
}

.card-icon--accent {
  background: oklch(0.95 0.04 240);
  color: oklch(0.50 0.18 240);
}

.card-icon .icon {
  font-size: 1.25rem;
}

.card h3 {
  margin-bottom: var(--space-sm);
}

.card p {
  font-size: 0.8125rem;
  line-height: 1.7;
}

/* ---------- Simulator Section ---------- */
.simulator-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.simulator-preview {
  background: oklch(0.995 0.002 280);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
}

.simulator-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--neutral-100);
  margin-bottom: var(--space-lg);
}

.simulator-bar-left {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.simulator-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--brand-600);
}

.simulator-bar-left span:last-child {
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--neutral-400);
}

.sim-badge {
  font-size: 0.625rem;
  font-weight: 700;
  background: var(--brand-50);
  color: var(--brand-600);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
}

.sim-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.sim-metric {
  background: var(--neutral-50);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--neutral-100);
}

.sim-metric-label {
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--neutral-400);
  letter-spacing: 0.04em;
}

.sim-metric-value {
  font-family: 'Satoshi', sans-serif;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--neutral-900);
  margin-top: 0.25rem;
}

.sim-metric-value--accent {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--brand-600);
}

.sim-select {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-md);
  background: var(--neutral-50);
  font-family: 'General Sans', sans-serif;
  font-size: 0.8125rem;
  color: var(--neutral-700);
  outline: none;
  cursor: pointer;
}

.sim-select:focus {
  border-color: var(--brand-400);
}

.sim-range-group {
  margin-top: var(--space-md);
}

.sim-range-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--neutral-400);
  margin-bottom: var(--space-xs);
}

input[type="range"] {
  width: 100%;
  accent-color: var(--brand-600);
  cursor: pointer;
}

@media (max-width: 768px) {
  .simulator-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Testimonials ---------- */
.testimonial {
  background: oklch(0.995 0.002 280);
  border: 1px solid var(--neutral-100);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.testimonial blockquote {
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--neutral-500);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-author img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-author h4 {
  font-size: 0.875rem;
  color: var(--neutral-800);
}

.testimonial-author p {
  font-size: 0.625rem;
  color: var(--neutral-400);
  font-weight: 600;
}

/* ---------- CTA Banner ---------- */
.cta-section {
  position: relative;
  overflow: hidden;
  background-color: #f8f9fc;
  padding-block: var(--space-4xl) !important;
}

.cta-section::before,
.cta-section::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background-color: #954fd6;
  pointer-events: none;
  z-index: 1;
}

.cta-section::before {
  width: 320px;
  height: 320px;
  top: -120px;
  left: -80px;
}

.cta-section::after {
  width: 480px;
  height: 480px;
  top: -120px;
  right: -120px;
}

.cta-banner {
  background-color: #ffffff;
  border-radius: var(--radius-xl);
  padding: var(--space-3xl) var(--space-2xl);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.04);
  z-index: 2;
}

.cta-banner h2 {
  color: var(--neutral-900);
  max-width: 540px;
  margin-inline: auto;
}

.cta-banner p {
  color: var(--neutral-500);
  font-size: 0.875rem;
  margin-top: var(--space-md);
  margin-inline: auto;
  max-width: 420px;
}

.cta-banner .btn {
  margin-top: var(--space-xl);
}

.cta-grid-overlay {
  display: none;
}

/* ---------- Pricing ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  align-items: start;
}

.pricing-card {
  background: oklch(0.995 0.002 280);
  border: 1px solid var(--neutral-100);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  position: relative;
}

.pricing-card--featured {
  border-color: var(--brand-400);
  box-shadow: var(--shadow-brand);
}

.pricing-card--featured::before {
  content: 'Mais Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--brand-600);
  color: oklch(0.98 0.005 280);
  font-family: 'Satoshi', sans-serif;
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.25rem 1rem;
  border-radius: var(--radius-full);
}

.pricing-name {
  font-family: 'Satoshi', sans-serif;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--neutral-500);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.pricing-price {
  font-family: 'Satoshi', sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--neutral-900);
  margin-top: var(--space-sm);
}

.pricing-price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--neutral-400);
}

.pricing-desc {
  font-size: 0.8125rem;
  color: var(--neutral-400);
  margin-top: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8125rem;
  color: var(--neutral-600);
}

.pricing-features li .icon {
  font-size: 1rem;
  color: var(--success);
}

.pricing-card .btn {
  width: 100%;
  justify-content: center;
}

@media (max-width: 768px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-inline: auto;
  }
}

/* ---------- Blog ---------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.blog-card {
  background: oklch(0.995 0.002 280);
  border: 1px solid var(--neutral-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow 0.3s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  display: block;
}

.blog-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.blog-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.blog-card-body {
  padding: var(--space-lg);
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
}

.blog-card-category {
  font-family: 'Satoshi', sans-serif;
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--brand-600);
  background: var(--brand-50);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
}

.blog-card-time {
  font-size: 0.6875rem;
  color: var(--neutral-400);
}

.blog-card h3 {
  font-size: 1.0625rem;
  margin-bottom: var(--space-sm);
  color: var(--neutral-800);
  line-height: 1.4;
}

.blog-card p {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--neutral-400);
}

@media (max-width: 640px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Blog Article ---------- */
.article-header {
  padding-top: calc(var(--header-height) + var(--space-3xl));
  padding-bottom: var(--space-2xl);
  text-align: left;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.article-content {
  max-width: 720px;
  margin-inline: auto;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--neutral-600);
}

.article-content p {
  margin-bottom: var(--space-lg);
  max-width: none;
  color: inherit;
}

.article-content h2 {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
}

.article-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--neutral-100);
  margin-top: var(--space-2xl);
}

.article-author img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--neutral-100);
  background-color: #ffffff;
  padding: var(--space-2xl) 0;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.site-footer::before,
.site-footer::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background-color: #954fd6;
  pointer-events: none;
  z-index: 1;
}

.site-footer::before {
  width: 320px;
  height: 320px;
  bottom: -100px;
  left: -100px;
}

.site-footer::after {
  width: 420px;
  height: 420px;
  bottom: -150px;
  right: -120px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  position: relative;
  z-index: 2;
}

.footer-brand img {
  height: 44px;
  margin-bottom: var(--space-md);
}

.footer-brand p {
  font-size: 0.8125rem;
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  font-family: 'Satoshi', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--neutral-400);
  margin-bottom: var(--space-md);
}

.footer-col a {
  display: block;
  font-size: 0.8125rem;
  color: var(--neutral-500);
  padding-block: 0.25rem;
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--brand-600);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--neutral-100);
  font-size: 0.75rem;
  color: var(--neutral-300);
  position: relative;
  z-index: 2;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
  .footer-brand {
    grid-column: span 2;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-brand {
    grid-column: span 1;
  }
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}

/* ---------- Scroll Reveal Animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px) scale(0.98);
  transition: opacity 1.2s cubic-bezier(0.23, 1, 0.32, 1), 
              transform 1.2s cubic-bezier(0.23, 1, 0.32, 1);
  will-change: opacity, transform;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: oklch(0.13 0.008 280 / 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: oklch(0.995 0.002 280);
  border: 1px solid var(--neutral-100);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  max-width: 380px;
  width: calc(100% - var(--space-xl));
  text-align: center;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.open .modal-card {
  transform: scale(1);
}

.modal-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: oklch(0.92 0.06 145);
  color: var(--success);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
}

.modal-icon .icon {
  font-size: 1.75rem;
}

.modal-redirect {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  background: var(--neutral-50);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--neutral-100);
  margin-top: var(--space-lg);
}

.modal-redirect .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse-dot 1.5s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.modal-redirect span:last-child {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--neutral-500);
}

/* ---------- About Page ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
}

.contact-info-item {
  display: flex;
  align-items: start;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--brand-50);
  color: var(--brand-600);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Accessibility ---------- */
:focus-visible {
  outline: 2px solid var(--brand-500);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* Material Symbols config */
.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  vertical-align: middle;
}

.icon {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

/* ---------- Brand Showcase Section (Diet Builder) ---------- */
.section-brand-showcase {
  border-top: 1px solid var(--neutral-100);
  border-bottom: 1px solid var(--neutral-100);
  position: relative;
}

.brand-showcase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.brand-showcase-grid--uneven {
  grid-template-columns: 1.35fr 0.65fr;
}

@media (max-width: 968px) {
  .brand-showcase-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  .brand-showcase-grid--uneven {
    grid-template-columns: 1fr;
  }
}

/* Left: Mock Window */
.mock-window {
  background: oklch(0.995 0.002 280);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.mock-window-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--neutral-50);
  border-bottom: 1px solid var(--neutral-200);
}

.mac-dots {
  display: flex;
  gap: 8px;
}

.mac-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.mock-window-title {
  font-size: 0.75rem;
  color: var(--neutral-500);
  font-family: 'General Sans', sans-serif;
  margin-right: 28px; /* Balance the dots */
}

.mock-window-body {
  padding: var(--space-xl);
}

/* Diet Builder Specifics */
.db-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.db-header-left {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.db-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--brand-50);
  color: var(--brand-600);
  display: flex;
  align-items: center;
  justify-content: center;
}
.db-icon .icon { font-size: 1.5rem; }

.db-titles h3 {
  color: var(--neutral-900);
  font-size: 1.125rem;
  margin-bottom: 2px;
}
.db-titles p {
  color: var(--neutral-500);
  font-size: 0.8125rem;
  margin: 0;
}

.db-action {
  color: var(--neutral-400);
  cursor: pointer;
}

.db-balance-card {
  background: oklch(0.995 0.002 280);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
  box-shadow: var(--shadow-sm);
}

.db-balance-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
}

.db-balance-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--brand-600);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.db-balance-total {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--neutral-900);
}

.db-progress-bar {
  display: flex;
  height: 8px;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: var(--space-md);
}

.db-progress-segment { height: 100%; }
.db-prog-c { width: 61%; background: #60a5fa; }
.db-prog-p { width: 17%; background: #f87171; }
.db-prog-f { width: 22%; background: #fbbf24; }

.db-macros {
  display: flex;
  gap: var(--space-lg);
}
.db-macro {
  border-left: 2px solid;
  padding-left: var(--space-sm);
}
.db-macro--c { border-color: #60a5fa; }
.db-macro--p { border-color: #f87171; }
.db-macro--f { border-color: #fbbf24; }

.db-macro-name {
  font-size: 0.75rem;
  color: var(--neutral-500);
}
.db-macro-val {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--neutral-900);
}
.db-macro-val span {
  color: var(--neutral-400);
  font-weight: 400;
}
.db-macro-g {
  font-size: 0.6875rem;
  color: var(--neutral-400);
}

.db-meal-section {
  background: var(--neutral-50);
  border: 1px solid var(--neutral-100);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.db-meal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
}

.db-meal-title {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--neutral-900);
  border: 1px solid var(--neutral-200);
  background: oklch(0.995 0.002 280);
  padding: 4px 8px;
  border-radius: 4px;
}
.db-meal-time {
  font-size: 0.8125rem;
  color: var(--neutral-600);
  border: 1px solid var(--neutral-200);
  background: oklch(0.995 0.002 280);
  padding: 4px 8px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.db-meal-time .icon { font-size: 1rem; }

.db-meal-totals {
  font-size: 0.75rem;
  color: var(--neutral-500);
  margin-bottom: var(--space-md);
}
.db-meal-totals strong { color: var(--brand-600); }

.db-food-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: oklch(0.995 0.002 280);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-sm);
  box-shadow: var(--shadow-sm);
}

.db-food-info h4 {
  font-size: 0.875rem;
  color: var(--neutral-900);
  font-weight: 600;
  margin-bottom: 2px;
}
.db-food-macros {
  font-size: 0.6875rem;
  color: var(--neutral-400);
}

.db-food-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.db-food-qty {
  background: var(--neutral-50);
  border: 1px solid var(--neutral-200);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  color: var(--neutral-800);
  display: flex;
  align-items: center;
  gap: 4px;
}
.db-food-qty span { color: var(--neutral-400); }
.db-food-del { color: var(--error); font-size: 1rem; cursor: pointer; }

.db-add-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px;
  border: 1px dashed var(--neutral-300);
  border-radius: var(--radius-sm);
  color: var(--neutral-500);
  font-size: 0.8125rem;
  cursor: pointer;
  background: transparent;
  margin-top: var(--space-md);
  transition: background 0.2s;
}
.db-add-item:hover {
  background: var(--neutral-100);
}

/* Right: Copywriting */
.brand-showcase-copy .kicker {
  margin-bottom: var(--space-md);
  font-size: 0.75rem;
}
.brand-showcase-copy h2 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-md);
}
.brand-showcase-copy p {
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: var(--space-xl);
  max-width: 500px;
}

/* ---------- AI Lab Assistant UI ---------- */
.ai-file-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.ai-file-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.ai-file-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: #d1fae5;
  color: #059669;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ai-file-icon .material-symbols-outlined {
  font-size: 1.5rem;
}

.ai-file-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.ai-file-info strong {
  font-size: 1rem;
  color: var(--neutral-900);
  font-weight: 700;
}

.ai-file-info span {
  font-size: 0.875rem;
  color: var(--neutral-500);
}

.ai-file-action button {
  background: transparent;
  border: none;
  color: #ef4444;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
}

.ai-divider {
  border: none;
  border-top: 1px solid var(--neutral-100);
  margin-bottom: 1.5rem;
}

.ai-insight-card {
  background-color: #f9f5ff;
  border: 1px solid #e9d5ff;
  border-radius: 16px;
  padding: 1.5rem;
  padding-bottom: 2rem;
  position: relative;
  margin-bottom: 1rem;
}

.ai-insight-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--brand-600);
  font-weight: 700;
  font-size: 0.9375rem;
  margin-bottom: 1rem;
}

.ai-insight-title {
  font-family: 'Satoshi', sans-serif;
  font-size: 1.125rem;
  color: var(--neutral-900);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.ai-insight-text {
  font-size: 0.875rem;
  color: var(--neutral-600);
  line-height: 1.6;
  text-align: justify;
  max-height: 220px;
  overflow-y: auto;
  padding-right: 0.5rem;
}

/* Custom Scrollbar for AI Insight Text */
.ai-insight-text::-webkit-scrollbar {
  width: 6px;
}
.ai-insight-text::-webkit-scrollbar-track {
  background: transparent;
}
.ai-insight-text::-webkit-scrollbar-thumb {
  background-color: #d8b4fe;
  border-radius: 20px;
}

.ai-pill-wrapper {
  position: absolute;
  bottom: -1rem;
  left: 0;
  right: 0;
  text-align: center;
}

.ai-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: #f3e8ff;
  color: var(--brand-600);
  padding: 0.5rem 1.25rem;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 700;
}

/* ---------- Tabela TACO Mock UI ---------- */
.desktop-reverse > div:first-child {
  order: 2;
}
.desktop-reverse > div:last-child {
  order: 1;
}
@media (max-width: 968px) {
  .desktop-reverse > div:first-child { order: 1; }
  .desktop-reverse > div:last-child { order: 2; }
}

.taco-mock-body {
  padding: 2rem;
}
.taco-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.taco-icon-wrapper {
  background: #e0f2fe;
  color: #2563eb;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.taco-icon-wrapper span {
  font-size: 24px;
}
.taco-header-text h4 {
  margin: 0;
  font-size: 1.125rem;
  color: var(--neutral-900);
}
.taco-header-text p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--neutral-500);
}

.taco-search-row {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.taco-search-input {
  flex: 1;
  background: #f8fafc;
  border: 1px solid var(--neutral-200);
  border-radius: 12px;
  display: flex;
  align-items: center;
  padding: 0 1rem;
  color: var(--neutral-400);
}
.taco-search-input input {
  border: none;
  background: transparent;
  width: 100%;
  padding: 0.75rem;
  outline: none;
  color: var(--neutral-600);
  font-family: inherit;
}
.taco-weight-pill {
  background: #f8fafc;
  border: 1px solid var(--neutral-200);
  border-radius: 12px;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 500;
  color: var(--neutral-700);
}

.taco-table-container {
  border: 1px solid var(--neutral-200);
  border-radius: 12px;
  overflow: hidden;
}
.taco-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}
.taco-table th {
  background: #f8fafc;
  color: var(--neutral-500);
  font-weight: 500;
  padding: 1rem;
  border-bottom: 1px solid var(--neutral-100);
}
.taco-table td {
  padding: 1rem;
  color: var(--neutral-700);
  border-bottom: 1px solid var(--neutral-100);
}
.taco-table tr:last-child td {
  border-bottom: none;
}
.taco-table td strong {
  color: var(--neutral-900);
}
.taco-row-highlight td {
  background: #faf5ff; /* light purple highlight */
}

/* ---------- FAQ Section ---------- */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-4xl);
  align-items: start;
}

@media (max-width: 968px) {
  .faq-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
}

.faq-info .kicker {
  color: var(--brand-600);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}

.faq-info h2 {
  font-family: 'Satoshi', serif;
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-md);
}

.faq-info p {
  color: var(--neutral-500);
  font-size: 1rem;
  line-height: 1.6;
  max-width: 400px;
}

.faq-list {
  display: flex;
  flex-direction: column;
}

.faq-item {
  border-bottom: 1px solid var(--neutral-200);
}

.faq-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg) 0;
  background: transparent;
  border: none;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--neutral-900);
  text-align: left;
  cursor: pointer;
  transition: color 0.2s;
}

.faq-trigger:hover {
  color: var(--brand-600);
}

.faq-icon {
  font-size: 1.5rem;
  color: var(--neutral-400);
  transition: transform 0.3s ease, color 0.3s;
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.faq-content-inner {
  padding-bottom: var(--space-lg);
}

.faq-content p {
  color: var(--neutral-500);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* Active FAQ Item state */
.faq-item.active .faq-icon {
  transform: rotate(45deg);
  color: var(--brand-600);
}

.faq-item.active .faq-trigger {
  color: var(--brand-600);
}