:root {
  --verde:          #2ecc71;
  --verde-escuro:   #1a8a4a;
  --verde-hover:    #15803d;
  --vermelho:       #e74c3c;
  --vermelho-hover: #c0392b;
  --branco:         #ffffff;
  --preto:          #0a0a0a;
  --cinza-escuro:   #1a1a1a;
  --cinza-card:     #141414;
  --texto-claro:    #cccccc;
  --texto-muted:    #9ca3af;
  --texto-dim:      #4b5563;

  --font-main:  'Montserrat', system-ui, sans-serif;
  --radius-sm:  8px;
  --radius-md:  14px;
  --radius-lg:  20px;
  --shadow-md:  0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-lg:  0 8px 32px rgba(0, 0, 0, 0.35);
  --transition: 0.25s ease;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background-color: var(--preto);
  color: var(--branco);
  line-height: 1.6;
}

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

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

ul {
  list-style: none;
}

/* ---- Layout ---- */

.container {
  width: 90%;
  max-width: 1160px;
  margin: 0 auto;
}

.section {
  padding: 88px 0;
}

.section-dark {
  background-color: #111111;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 900;
  text-align: center;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.section-sub {
  text-align: center;
  color: var(--texto-muted);
  max-width: 640px;
  margin: 0 auto 52px;
  font-size: 1rem;
}

.highlight {
  color: var(--verde);
}

/* ---- Botões ---- */

.btn-primary {
  display: inline-block;
  background-color: var(--verde-escuro);
  color: var(--branco);
  font-family: var(--font-main);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--verde-escuro);
  cursor: pointer;
  transition: background-color var(--transition), border-color var(--transition), transform var(--transition);
  letter-spacing: 0.02em;
  text-align: center;
}

.btn-primary:hover {
  background-color: var(--verde-hover);
  border-color: var(--verde-hover);
  transform: translateY(-2px);
}

.btn-outline {
  display: inline-block;
  background-color: transparent;
  color: var(--verde);
  font-family: var(--font-main);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--verde);
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition), transform var(--transition);
  letter-spacing: 0.02em;
  text-align: center;
}

.btn-outline:hover {
  background-color: var(--verde);
  color: var(--preto);
  transform: translateY(-2px);
}

.btn-vermelho {
  display: inline-block;
  background-color: var(--vermelho);
  color: var(--branco);
  font-family: var(--font-main);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--vermelho);
  cursor: pointer;
  transition: background-color var(--transition), border-color var(--transition), transform var(--transition);
  letter-spacing: 0.02em;
  text-align: center;
}

.btn-vermelho:hover {
  background-color: var(--vermelho-hover);
  border-color: var(--vermelho-hover);
  transform: translateY(-2px);
}

.btn-lg {
  font-size: 1rem;
  padding: 16px 38px;
}

/* ---- Navbar ---- */

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: box-shadow var(--transition);
}

.navbar.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 24px;
}

.logo {
  font-size: 1.55rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--branco);
  flex-shrink: 0;
}

.logo span {
  color: var(--verde);
}

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--texto-muted);
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--branco);
}

.nav-cta {
  flex-shrink: 0;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  width: 36px;
  height: 36px;
}

.menu-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--branco);
  border-radius: 2px;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background-color: rgba(10, 10, 10, 0.98);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding var(--transition);
}

.mobile-menu.open {
  max-height: 300px;
  padding: 8px 0 16px;
}

.mobile-menu a {
  display: block;
  padding: 12px 5%;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--texto-claro);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  transition: color var(--transition), background-color var(--transition);
}

.mobile-menu a:hover {
  color: var(--verde);
  background-color: rgba(46, 204, 113, 0.05);
}

/* ---- Hero ---- */

.hero {
  background: linear-gradient(135deg, #0a0a0a 0%, #0c1a0f 50%, #0a0a0a 100%);
  padding: 100px 0 88px;
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.badge {
  display: inline-block;
  background-color: rgba(46, 204, 113, 0.1);
  border: 1px solid rgba(46, 204, 113, 0.3);
  color: var(--verde);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 99px;
  margin-bottom: 20px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero-content h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero-sub {
  color: var(--texto-muted);
  font-size: 1rem;
  max-width: 480px;
  margin-bottom: 36px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 52px;
}

.hero-stats {
  display: flex;
  gap: 40px;
}

.stat strong {
  display: block;
  font-size: 1.9rem;
  font-weight: 900;
  color: var(--verde);
  line-height: 1;
  margin-bottom: 4px;
}

.stat span {
  font-size: 0.78rem;
  color: var(--texto-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.avatar-card {
  position: relative;
  width: 320px;
}

.avatar-card::before {
  content: '';
  position: absolute;
  inset: -24px;
  background: radial-gradient(circle, rgba(46, 204, 113, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.avatar-card img {
  border-radius: var(--radius-lg);
  border: 2px solid rgba(46, 204, 113, 0.2);
  box-shadow: var(--shadow-lg), 0 0 48px rgba(46, 204, 113, 0.12);
  width: 100%;
  height: auto;
}

.avatar-badge {
  position: absolute;
  bottom: -14px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--verde-escuro);
  color: var(--branco);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 7px 22px;
  border-radius: 99px;
  white-space: nowrap;
  letter-spacing: 0.05em;
  box-shadow: var(--shadow-md);
}

/* ---- Features / Sobre ---- */

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.feature-card {
  background-color: #1a1a1a;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 30px 26px;
  transition: border-color var(--transition), transform var(--transition);
}

.feature-card:hover {
  border-color: rgba(46, 204, 113, 0.35);
  transform: translateY(-4px);
}

.feature-icon {
  font-size: 2.2rem;
  margin-bottom: 14px;
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--branco);
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--texto-muted);
  line-height: 1.65;
}

/* ---- Produtos ---- */

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.product-card {
  background-color: var(--cinza-card);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.product-card:hover {
  border-color: rgba(46, 204, 113, 0.3);
  transform: translateY(-5px);
  box-shadow: 0 12px 32px rgba(46, 204, 113, 0.1);
}

.product-card.product-featured {
  border-color: rgba(46, 204, 113, 0.35);
  box-shadow: 0 4px 24px rgba(46, 204, 113, 0.12);
}

.product-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background-color: var(--vermelho);
  color: var(--branco);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 99px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  z-index: 1;
}

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

.product-info {
  padding: 22px 24px 28px;
}

.product-info h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--branco);
}

.product-info p {
  font-size: 0.875rem;
  color: var(--texto-muted);
  margin-bottom: 16px;
  line-height: 1.6;
}

.product-price {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--verde);
  margin-bottom: 18px;
}

.product-btn {
  width: 100%;
}

/* ---- Planos ---- */

.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: start;
}

.plan-card {
  background-color: var(--cinza-escuro);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.plan-card:hover {
  transform: translateY(-5px);
}

.plan-card.plan-popular {
  border-color: var(--verde);
  background-color: #0d1a10;
  box-shadow: 0 0 0 1px var(--verde-escuro), var(--shadow-lg);
  transform: scale(1.03);
}

.plan-card.plan-popular:hover {
  transform: scale(1.03) translateY(-5px);
}

.plan-card.plan-elite {
  background-color: #100808;
  border-color: var(--vermelho);
  box-shadow: 0 0 0 1px #7f1d1d, var(--shadow-lg);
}

.plan-popular-badge,
.plan-elite-badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 6px 20px;
  border-radius: 99px;
  white-space: nowrap;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.plan-popular-badge {
  background-color: var(--verde-escuro);
  color: var(--branco);
}

.plan-elite-badge {
  background-color: var(--vermelho);
  color: var(--branco);
}

.plan-header {
  margin-bottom: 28px;
}

.plan-header h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--branco);
}

.plan-desc {
  font-size: 0.8rem;
  color: var(--texto-muted);
  margin-top: 8px;
  line-height: 1.5;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.price-value {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--verde);
}

.price-period {
  font-size: 0.9rem;
  color: var(--texto-muted);
}

.plan-card.plan-elite .price-value {
  color: #f87171;
}

.plan-features {
  margin-bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.plan-features li {
  font-size: 0.875rem;
  color: var(--texto-claro);
  padding-left: 24px;
  position: relative;
}

.plan-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--verde);
  font-weight: 700;
}

.plan-features li.disabled {
  color: var(--texto-dim);
}

.plan-features li.disabled::before {
  content: '✕';
  color: var(--texto-dim);
}

.plan-btn {
  width: 100%;
}

/* ---- Depoimentos ---- */

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background-color: var(--cinza-card);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-md);
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.stars {
  color: #f59e0b;
  font-size: 1.05rem;
  letter-spacing: 2px;
}

.testimonial-card blockquote p {
  font-size: 0.9rem;
  color: var(--texto-muted);
  font-style: italic;
  line-height: 1.75;
}

.testimonial-foto {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(46, 204, 113, 0.25);
}

.testimonial-author {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--verde);
}

/* ---- CTA Final ---- */

.cta-section {
  background: linear-gradient(135deg, #0c1a0f, #0a0a0a);
  text-align: center;
}

.cta-inner h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.6rem);
  font-weight: 900;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.cta-inner p {
  color: var(--texto-muted);
  margin-bottom: 40px;
  font-size: 1rem;
}

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

.footer {
  background-color: #080808;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 48px 0 32px;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}

.footer-logo {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.03em;
}

.footer-logo span {
  color: var(--verde);
}

.footer-links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--texto-muted);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--branco);
}

.footer-social {
  display: flex;
  gap: 20px;
}

.footer-social a {
  color: var(--texto-muted);
  transition: color var(--transition), transform var(--transition);
}

.footer-social a:hover {
  color: var(--verde);
  transform: translateY(-2px);
}

.footer-copy {
  font-size: 0.78rem;
  color: var(--texto-dim);
}

.aviso-nutricional {
  font-size: 0.72rem;
  color: var(--texto-dim);
  max-width: 680px;
  line-height: 1.65;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 20px;
}

/* ---- Modal ---- */

.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-box {
  background-color: #1a1a1a;
  border: 1px solid rgba(46, 204, 113, 0.3);
  border-radius: var(--radius-lg);
  padding: 52px 44px;
  max-width: 440px;
  width: 90%;
  text-align: center;
  position: relative;
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.modal-overlay.active .modal-box {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 22px;
  background: none;
  border: none;
  color: var(--texto-muted);
  font-size: 1.6rem;
  cursor: pointer;
  line-height: 1;
  transition: color var(--transition);
  padding: 0;
  font-family: inherit;
}

.modal-close:hover {
  color: var(--branco);
}

.modal-icon {
  font-size: 3.2rem;
  margin-bottom: 18px;
}

.modal-box h3 {
  font-size: 1.45rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--branco);
}

.modal-box p {
  font-size: 0.9rem;
  color: var(--texto-muted);
  margin-bottom: 32px;
  line-height: 1.65;
}

/* ---- Responsivo ---- */

@media (max-width: 900px) {
  .plans-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .plan-card.plan-popular {
    transform: none;
  }

  .plan-card.plan-popular:hover {
    transform: translateY(-5px);
  }
}

@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content h1 {
    font-size: 2.2rem;
  }

  .hero-sub {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
    gap: 28px;
  }

  .hero-visual {
    order: -1;
  }

  .avatar-card {
    width: 220px;
  }

  .nav-links {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .mobile-menu {
    display: flex;
  }

  .section {
    padding: 60px 0;
  }

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

@media (max-width: 480px) {
  .features-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }

  .footer-links {
    flex-direction: column;
    gap: 12px;
  }
}