/* =====================================================
   DESIGN SYSTEM — ALMA DA TERRA
   Landing Page — Clube VIP
   Mobile First | 390px base
   ===================================================== */

/* === TOKENS === */
:root {
  /* Colors — Design System */
  --warm-ivory: #F6F1EA;
  --sand: #DDD2C2;
  --walnut: #6B5645;
  --olive: #7B8262;
  --terracotta: #B97A5D;
  --charcoal: #403A35;
  --white: #FFFFFF;

  /* Typography */
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Outfit', system-ui, -apple-system, sans-serif;

  /* Spacing — 8pt system */
  --space-xs: 8px;
  --space-s: 16px;
  --space-m: 24px;
  --space-l: 32px;
  --space-xl: 48px;
  --space-xxl: 64px;
  --space-section: 80px;
  --space-hero: 96px;

  /* Border radius */
  --radius-s: 4px;
  --radius-m: 8px;
  --radius-l: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-soft: 0 2px 16px rgba(64, 58, 53, 0.07);
  --shadow-medium: 0 6px 32px rgba(64, 58, 53, 0.12);
  --shadow-strong: 0 12px 48px rgba(64, 58, 53, 0.18);

  /* Transitions — from Design System */
  --transition-micro: 150ms ease;
  --transition-base: 250ms ease;
  --transition-component: 350ms ease;
  --transition-enter: 400ms ease;

  /* Container */
  --container-padding: 24px;
  --container-max: 1200px;
}

/* === RESET & BASE === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--warm-ivory);
  color: var(--charcoal);
  line-height: 1.6;
  font-size: 20px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ol {
  list-style: none;
}

/* === UTILITIES === */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section-label {
  display: block;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--olive);
  margin-bottom: 12px;
}

.section-label--light {
  color: rgba(246, 241, 234, 0.65);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 8vw, 48px);
  font-weight: 500;
  line-height: 1.2;
  color: var(--walnut);
  margin-bottom: var(--space-l);
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 20px 40px;
  border-radius: var(--radius-l);
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.025em;
  cursor: pointer;
  border: none;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    background-color var(--transition-base);
  text-align: center;
  line-height: 1;
  -webkit-tap-highlight-color: transparent;
  position: relative;
}

.btn--primary {
  background-color: var(--walnut);
  color: var(--warm-ivory);
  box-shadow: 0 4px 20px rgba(107, 86, 69, 0.28);
  width: 100%;
}

.btn--primary {
  background-color: var(--walnut);
  color: var(--warm-ivory);
  box-shadow: 0 4px 16px rgba(107, 86, 69, 0.25);
  animation: heartbeat-cta 3s ease-in-out infinite;
  will-change: transform;
}

.btn--primary:hover {
  background-color: var(--charcoal);
  box-shadow: 0 8px 32px rgba(107, 86, 69, 0.36);
  /* Optional: pause animation on hover */
  animation-play-state: paused;
}

.btn--primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(107, 86, 69, 0.2);
}

.btn--cta-final {
  background-color: var(--warm-ivory);
  color: var(--walnut);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
  width: 100%;
  animation: heartbeat-cta 3s ease-in-out infinite;
  will-change: transform;
}

.btn--cta-final:hover {
  background-color: var(--sand);
  color: var(--charcoal);
  box-shadow: 0 8px 36px rgba(0, 0, 0, 0.3);
  animation-play-state: paused;
}

@keyframes heartbeat-cta {
  0% { transform: scale(1); }
  50% { transform: scale(1.04); }
  100% { transform: scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  .btn--primary,
  .btn--cta-final {
    animation: none !important;
  }
}

/* === TOP BAR === */
.top-bar {
  background-color: var(--olive);
  color: var(--warm-ivory);
  text-align: center;
  padding: 0 var(--container-padding);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.02em;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.top-bar strong {
  font-weight: 600;
}

/* === HERO === */
.hero {
  padding: var(--space-hero) 0 var(--space-xxl);
  text-align: center;
  background-color: var(--warm-ivory);
  position: relative;
}

.hero__avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto var(--space-m);
  border: 3px solid var(--sand);
  box-shadow: var(--shadow-medium);
  background-color: var(--sand);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero__avatar::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid rgba(107, 86, 69, 0.15);
}

.hero__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.hero__badge {
  display: inline-block;
  background-color: rgba(123, 130, 98, 0.1);
  color: var(--olive);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.1em;
  padding: 8px 20px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-m);
  border: 1px solid rgba(123, 130, 98, 0.2);
}

.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(32px, 9vw, 56px);
  font-weight: 500;
  line-height: 1.2;
  color: var(--walnut);
  margin-bottom: var(--space-m);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.hero__subheadline {
  font-family: var(--font-body);
  font-size: 22px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--charcoal);
  opacity: 0.9;
  margin-bottom: var(--space-l);
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

.hero__microcopy {
  margin-top: var(--space-m);
  font-size: 17px;
  color: var(--charcoal);
  opacity: 0.65;
  letter-spacing: 0.04em;
}

.hero__microcopy--light {
  color: var(--warm-ivory);
  opacity: 0.8;
  margin-top: var(--space-m);
}

/* === BENEFITS === */
.benefits {
  padding: var(--space-section) 0;
  background-color: var(--sand);
}

.benefits__grid {
  display: flex;
  flex-direction: column;
}

.benefit-card {
  padding: var(--space-m) 0;
  border-bottom: 1px solid rgba(64, 58, 53, 0.1);
  transition: transform var(--transition-base);
}

.benefit-card:last-child {
  border-bottom: none;
}

.benefit-card:hover {
  transform: translateX(4px);
}

.benefit-card__icon {
  font-size: 28px;
  margin-bottom: var(--space-xs);
  line-height: 1;
  display: block;
}

.benefit-card__title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  color: var(--walnut);
  margin-bottom: 8px;
  line-height: 1.3;
}

.benefit-card__text {
  font-size: 19px;
  color: var(--charcoal);
  opacity: 0.85;
  line-height: 1.6;
}

/* === HOW IT WORKS === */
.how-it-works {
  padding: var(--space-section) 0;
  background-color: var(--warm-ivory);
}

.timeline {
  position: relative;
  margin-bottom: var(--space-xl);
}

.timeline__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding-left: var(--space-m);
  border-left: 2px solid rgba(107, 86, 69, 0.15);
}

.timeline__content h3 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  color: var(--walnut);
  margin-bottom: 8px;
  padding-top: 10px;
}

.timeline__content p {
  font-size: 18px;
  color: var(--charcoal);
  opacity: 0.85;
  line-height: 1.6;
}

.timeline__connector {
  display: none;
}

.how-it-works__footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-s);
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--olive);
  font-weight: 500;
  background-color: rgba(123, 130, 98, 0.08);
  padding: 16px var(--space-m);
  border-radius: var(--radius-l);
  border: 1px solid rgba(123, 130, 98, 0.15);
}

.dot {
  opacity: 0.3;
}

/* === SOCIAL PROOF === */
.social-proof {
  padding: var(--space-section) 0;
  background-color: var(--sand);
}

.social-proof__stats {
  display: flex;
  justify-content: space-around;
  margin-bottom: var(--space-xl);
  background-color: var(--warm-ivory);
  border-radius: var(--radius-l);
  padding: var(--space-l) var(--space-m);
  box-shadow: var(--shadow-soft);
}

.stat {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.stat__number {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 600;
  color: var(--walnut);
  line-height: 1;
}

.stat__label {
  font-size: 15px;
  color: var(--charcoal);
  opacity: 0.75;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}

.testimonials {
  display: flex;
  flex-direction: column;
  gap: var(--space-m);
}

.testimonial-card {
  background-color: var(--warm-ivory);
  border-radius: var(--radius-l);
  padding: var(--space-m);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.testimonial-card__stars {
  font-size: 14px;
  margin-bottom: var(--space-s);
  letter-spacing: 3px;
}

.testimonial-card__text {
  font-size: 24px;
  line-height: 1.5;
  color: var(--charcoal);
  font-style: italic;
  margin-bottom: var(--space-m);
  opacity: 0.95;
  font-family: var(--font-display);
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-s);
  font-size: 16px;
  color: var(--charcoal);
  opacity: 0.8;
  font-weight: 500;
}

.testimonial-card__avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--walnut);
  color: var(--warm-ivory);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 600;
  flex-shrink: 0;
}

/* === DIFFERENTIALS === */
.differentials {
  padding: var(--space-section) 0;
  background-color: var(--warm-ivory);
}

.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-m);
  border-radius: var(--radius-l);
  overflow: hidden;
  box-shadow: var(--shadow-medium);
}

.comparison__column {
  overflow: hidden;
}

.comparison__header {
  padding: var(--space-m);
  text-align: center;
}

.comparison__column--others .comparison__header {
  background-color: var(--sand);
}

.comparison__column--us .comparison__header {
  background-color: var(--walnut);
}

.comparison__label {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  display: block;
}

.comparison__label--others {
  color: var(--charcoal);
  opacity: 0.6;
}

.comparison__label--us {
  color: var(--warm-ivory);
}

.comparison__list {
  list-style: none;
  padding: var(--space-m);
  background-color: var(--warm-ivory);
  display: flex;
  flex-direction: column;
  gap: 14px;
  height: 100%;
}

.comparison__column--us .comparison__list {
  background-color: rgba(107, 86, 69, 0.03);
  border: 1px solid rgba(107, 86, 69, 0.08);
  border-top: none;
}

.comparison__item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 17px;
  line-height: 1.5;
}

.comparison__item--no {
  color: var(--charcoal);
  opacity: 0.65;
}

.comparison__item--yes {
  color: var(--walnut);
  font-weight: 500;
}

.comparison__item--no .comparison__icon {
  color: #B5322A;
  flex-shrink: 0;
  font-weight: 700;
}

.comparison__item--yes .comparison__icon {
  color: var(--olive);
  flex-shrink: 0;
  font-weight: 700;
}

/* === FAQ === */
.faq {
  padding: var(--space-section) 0;
  background-color: var(--sand);
}

.accordion {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.accordion__item {
  background-color: var(--warm-ivory);
  border-radius: var(--radius-l);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: box-shadow var(--transition-base);
}

.accordion__item:focus-within {
  box-shadow: var(--shadow-medium);
}

.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-m);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  color: var(--walnut);
  text-align: left;
  gap: var(--space-m);
  transition: background-color var(--transition-micro);
  -webkit-tap-highlight-color: transparent;
}

.accordion__trigger:hover {
  background-color: rgba(221, 210, 194, 0.25);
}

.accordion__trigger:focus-visible {
  outline: 2px solid var(--olive);
  outline-offset: -2px;
}

.accordion__icon {
  flex-shrink: 0;
  font-size: 24px;
  font-weight: 300;
  color: var(--olive);
  transition: transform var(--transition-component);
  line-height: 1;
  width: 24px;
  text-align: center;
}

.accordion__trigger[aria-expanded="true"] .accordion__icon {
  transform: rotate(45deg);
}

.accordion__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-enter) cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion__content p {
  padding: 0 var(--space-m) var(--space-m);
  font-size: 18px;
  line-height: 1.65;
  color: var(--charcoal);
  opacity: 0.85;
}

.accordion__item.is-open .accordion__content {
  max-height: 300px;
}

/* === CTA FINAL === */
.cta-final {
  padding: var(--space-section) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
  background-color: var(--charcoal);
}

.cta-final__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.cta-final::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    var(--olive) 0%,
    var(--charcoal) 100%
  );
  opacity: 0.9;
  z-index: 1;
}

.cta-final .container {
  position: relative;
  z-index: 2;
}

.cta-final__headline {
  font-family: var(--font-display);
  font-size: clamp(26px, 7vw, 44px);
  font-weight: 500;
  color: var(--warm-ivory);
  line-height: 1.25;
  margin-bottom: var(--space-m);
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.cta-final__text {
  font-size: 19px;
  color: var(--warm-ivory);
  opacity: 0.9;
  line-height: 1.65;
  margin-bottom: var(--space-l);
}

/* === FOOTER === */
.footer {
  padding: var(--space-xl) 0;
  background-color: var(--charcoal);
  text-align: center;
}

.footer__brand {
  margin-bottom: var(--space-l);
}

.footer__logo {
  display: block;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 500;
  color: var(--warm-ivory);
  margin-bottom: var(--space-xs);
  letter-spacing: 0.01em;
}

.footer__logo-img {
  display: block;
  max-width: 140px;
  height: auto;
  margin: 0 auto var(--space-m);
  border-radius: var(--radius-m);
}

.footer__tagline {
  font-size: 15px;
  color: var(--warm-ivory);
  opacity: 0.8;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-m);
  margin-bottom: var(--space-l);
}

.footer__nav a {
  font-size: 13px;
  color: var(--warm-ivory);
  opacity: 0.45;
  transition: opacity var(--transition-micro);
}

.footer__nav a:hover {
  opacity: 0.85;
}

.footer__copy {
  font-size: 14px;
  color: var(--warm-ivory);
  opacity: 0.6;
}

/* === SCROLL ANIMATIONS === */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity var(--transition-enter) ease,
    transform var(--transition-enter) ease;
}

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

/* === TABLET (768px+) === */
@media (min-width: 768px) {
  .hero {
    padding: var(--space-hero) 0 var(--space-section);
  }

  .hero__avatar {
    width: 120px;
    height: 120px;
  }

  .btn--primary,
  .btn--cta-final {
    width: auto;
    min-width: 300px;
  }

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

  .testimonials {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-m);
  }

  .testimonials .testimonial-card:nth-child(3) {
    grid-column: span 2;
  }

  .comparison {
    max-width: 600px;
    margin: 0 auto;
  }
}

/* === DESKTOP (1200px+) === */
@media (min-width: 1200px) {
  :root {
    --space-section: 120px;
  }

  .hero {
    padding: var(--space-hero) 0;
  }

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

  .testimonials .testimonial-card:nth-child(3) {
    grid-column: span 1;
  }

  .timeline {
    max-width: 600px;
  }

  .comparison {
    max-width: 640px;
  }
}

/* === FOCUS & ACCESSIBILITY === */
:focus-visible {
  outline: 2px solid var(--olive);
  outline-offset: 3px;
  border-radius: var(--radius-s);
}

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