/* ============================================
   Landing Page — Aparelho Ortodôntico
   Paleta: Roxo Vibrante (#7c3aed) + Clean White
   Estilo: Moderno e Vibrante
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

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

:root {
  --brand: #7c3aed;
  --brand-light: #a78bfa;
  --brand-lighter: #ddd6fe;
  --brand-bg: #f5f3ff;
  --brand-dark: #6d28d9;

  --white: #ffffff;
  --bg: #fafafa;
  --bg-alt: #f4f4f5;
  --text: #18181b;
  --text-secondary: #52525b;
  --text-muted: #71717a;
  --border: #e4e4e7;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.08);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.1);

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Navbar ────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.25rem;
}

.navbar__logo-icon {
  width: 36px;
  height: 36px;
  background: var(--brand);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.navbar__links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}

.navbar__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--brand);
  transition: var(--transition);
  border-radius: 2px;
}

.navbar__links a:hover { color: var(--brand); }
.navbar__links a:hover::after { width: 100%; }

.navbar__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.5rem;
  background: var(--brand);
  color: white !important;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.875rem;
  transition: var(--transition);
  box-shadow: 0 2px 8px rgba(124, 58, 237, 0.3);
}

.navbar__cta:hover {
  background: var(--brand-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(124, 58, 237, 0.4);
}

.navbar__cta::after { display: none !important; }

.navbar__mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.navbar__mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  margin: 6px 0;
  transition: var(--transition);
  border-radius: 2px;
}

/* ── Hero Split Screen ─────────────────────── */
.hero {
  padding: 6rem 0 0;
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(135deg, var(--brand-bg) 0%, #ede9fe 100%);
  clip-path: polygon(10% 0, 100% 0, 100% 100%, 0 100%);
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero__content {
  padding: 2rem 0;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: var(--brand-bg);
  border: 1px solid var(--brand-lighter);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--brand);
  margin-bottom: 1.5rem;
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  background: var(--brand);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero__title {
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.hero__title span {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 480px;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
  font-family: inherit;
}

.btn--primary {
  background: var(--brand);
  color: white;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.35);
}

.btn--primary:hover {
  background: var(--brand-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.45);
}

.btn--outline {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--border);
}

.btn--outline:hover {
  border-color: var(--brand);
  color: var(--brand);
  background: var(--brand-bg);
}

.hero__image {
  position: relative;
  z-index: 2;
}

.hero__image-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.hero__image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}

/* ── Como Funciona (Timeline) ──────────────── */
.how-it-works {
  padding: 6rem 0;
  background: var(--white);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 4rem;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--brand);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.section-eyebrow::before,
.section-eyebrow::after {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--brand-lighter);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--brand-lighter), var(--brand), var(--brand-lighter));
  border-radius: 2px;
  transform: translateX(-50%);
}

.timeline__item {
  display: flex;
  align-items: center;
  gap: 3rem;
  margin-bottom: 3rem;
  position: relative;
}

.timeline__item:nth-child(even) {
  flex-direction: row-reverse;
}

.timeline__item:nth-child(even) .timeline__content {
  text-align: right;
}

.timeline__dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 48px;
  background: var(--brand);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 1.1rem;
  z-index: 2;
  box-shadow: 0 0 0 6px var(--brand-bg), 0 4px 12px rgba(124, 58, 237, 0.3);
}

.timeline__content {
  flex: 1;
  padding: 1.5rem 2rem;
  background: var(--bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.timeline__content:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--brand-lighter);
}

.timeline__content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.timeline__content p {
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.timeline__spacer {
  flex: 1;
}

/* ── Benefícios Horizontal ─────────────────── */
.benefits {
  padding: 6rem 0;
  background: var(--bg);
}

.benefits__list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 900px;
  margin: 0 auto;
}

.benefit-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem 2rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  cursor: default;
}

.benefit-row:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-md);
  border-color: var(--brand-lighter);
}

.benefit-row__icon {
  width: 52px;
  height: 52px;
  min-width: 52px;
  background: var(--brand-bg);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: var(--transition);
}

.benefit-row:hover .benefit-row__icon {
  background: var(--brand);
  transform: rotate(5deg) scale(1.05);
}

.benefit-row:hover .benefit-row__icon svg {
  color: white;
  stroke: white;
}

.benefit-row__text h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.benefit-row__text p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.benefit-row__number {
  margin-left: auto;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--border);
  min-width: 50px;
  text-align: right;
  transition: var(--transition);
}

.benefit-row:hover .benefit-row__number {
  color: var(--brand-lighter);
}

/* ── Social Proof / Depoimentos ────────────── */
.testimonials {
  padding: 6rem 0;
  background: var(--white);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.testimonial-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-size: 4rem;
  font-weight: 800;
  color: var(--brand-lighter);
  line-height: 1;
  font-family: serif;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.testimonial-card__stars {
  display: flex;
  gap: 0.2rem;
  margin-bottom: 1rem;
  color: #f59e0b;
  font-size: 1rem;
}

.testimonial-card__text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  font-style: italic;
}

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

.testimonial-card__avatar {
  width: 40px;
  height: 40px;
  background: var(--brand-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--brand);
  font-size: 0.9rem;
}

.testimonial-card__name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
}

.testimonial-card__role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ── CTA Section ───────────────────────────── */
.cta-section {
  padding: 6rem 0;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 50%, #4c1d95 100%);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -100px;
  left: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-section .container {
  position: relative;
  z-index: 2;
  text-align: center;
}

.cta-section__title {
  font-size: 2.75rem;
  font-weight: 800;
  color: white;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.cta-section__text {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.85);
  max-width: 540px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.cta-section__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn--white {
  background: white;
  color: var(--brand);
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(0,0,0,0.15);
}

.btn--white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.btn--ghost-white {
  background: transparent;
  color: white;
  border: 2px solid rgba(255,255,255,0.4);
}

.btn--ghost-white:hover {
  background: rgba(255,255,255,0.1);
  border-color: white;
}

/* ── Footer ────────────────────────────────── */
.footer {
  padding: 3rem 0;
  background: var(--text);
  color: rgba(255,255,255,0.7);
}

.footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: white;
}

.footer__brand-icon {
  width: 32px;
  height: 32px;
  background: var(--brand);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.9rem;
}

.footer__links {
  display: flex;
  gap: 1.5rem;
}

.footer__links a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}

.footer__links a:hover { color: var(--brand-light); }

.footer__copy {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}

/* ── WhatsApp Float ────────────────────────── */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  width: 60px;
  height: 60px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.75rem;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: var(--transition);
  cursor: pointer;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.5);
}

.whatsapp-float__pulse {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid #25d366;
  animation: whatsapp-pulse 2s ease-out infinite;
}

@keyframes whatsapp-pulse {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.4); opacity: 0; }
}

/* ── Animations ────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

.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; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ── Responsive ────────────────────────────── */
@media (max-width: 1024px) {
  .hero::before {
    width: 100%;
    clip-path: polygon(0 50%, 100% 30%, 100% 100%, 0 100%);
  }

  .hero .container {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }

  .hero__subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__actions { justify-content: center; }

  .hero__image {
    max-width: 500px;
    margin: 0 auto;
  }

  .timeline::before { left: 24px; }

  .timeline__item,
  .timeline__item:nth-child(even) {
    flex-direction: column;
    align-items: flex-start;
    padding-left: 60px;
  }

  .timeline__item:nth-child(even) .timeline__content {
    text-align: left;
  }

  .timeline__dot {
    left: 24px;
    top: 0;
  }

  .timeline__spacer { display: none; }

  .testimonials__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .navbar__links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    gap: 1rem;
  }

  .navbar__links.active { display: flex; }
  .navbar__mobile-toggle { display: block; }

  .hero { padding: 7rem 0 3rem; min-height: auto; }
  .hero__title { font-size: 2.25rem; }
  .section-title { font-size: 1.75rem; }
  .cta-section__title { font-size: 1.75rem; }

  .benefit-row {
    flex-direction: column;
    text-align: center;
    padding: 1.5rem;
  }

  .benefit-row__number { margin-left: 0; }

  .footer .container {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .btn { width: 100%; }

  .cta-section__actions {
    flex-direction: column;
    align-items: center;
  }
}