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

:root {
  --black: #0a0a0a;
  --navy: #0e0e0c;
  --navy-light: #2a2823;
  --white: #ffffff;
  --gray: #888;
  --accent: #b8923f;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.1);
  --shadow-md: 0 12px 28px -8px rgba(0,0,0,0.22);
  --shadow-lg: 0 30px 60px -20px rgba(0,0,0,0.4);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

body {
  font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  color: var(--navy);
  background: var(--white);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: 'Inter', sans-serif; letter-spacing: -0.5px; color: var(--navy); }
em { font-family: 'Playfair Display', serif; font-style: italic; font-weight: 400; }

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

.benefits-bar {
  background: var(--navy);
  color: #fff;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 32px;
  font-size: 13px;
  font-weight: 500;
  padding: 10px 6%;
  letter-spacing: 0.2px;
}
.benefit { display: flex; align-items: center; gap: 7px; }
.benefit svg { width: 16px; height: 16px; flex-shrink: 0; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 6%;
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(10px);
  z-index: 10;
  border-bottom: 1px solid #eee;
  gap: 20px;
  flex-wrap: nowrap;
}
.topbar-left { display: flex; align-items: center; gap: 12px; }
.logo {
  height: 38px;
  width: auto;
  border-radius: 8px;
}
.topbar-nav { display: flex; gap: 32px; }
.topbar-nav a {
  position: relative;
  color: var(--navy);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  padding-bottom: 4px;
  transition: color 0.2s var(--ease);
}
.topbar-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width 0.25s var(--ease);
}
.topbar-nav a:hover::after { width: 100%; }
.topbar-right { display: flex; align-items: center; gap: 18px; }
.icon-link { color: var(--navy); transition: color 0.2s var(--ease); }
.icon-link:hover { color: var(--accent); }
.icon-link svg { width: 22px; height: 22px; display: block; }

.hero-banner { position: relative; width: 100%; background: #f4f3f0; }
.hero-banner img { width: 100%; max-height: 560px; object-fit: cover; }
.hero-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(20,20,18,0.55) 0%, rgba(20,20,18,0.32) 32%, rgba(20,20,18,0) 55%);
  pointer-events: none;
}
.hero-banner-content {
  position: absolute;
  top: 50%; left: 6%;
  transform: translateY(-50%);
  max-width: 380px;
  z-index: 2;
}
.hero-banner-content .eyebrow {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--accent);
  margin-bottom: 14px;
}
.hero-banner-content h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  line-height: 1.08;
  margin-bottom: 28px;
  letter-spacing: -1px;
  color: var(--white);
}
.hero-banner-content .btn-primary { background: var(--accent); color: var(--navy); }
.hero-banner-content .btn-primary:hover { background: #c9a455; }

.btn-primary {
  display: inline-block;
  background: var(--navy);
  color: var(--white);
  padding: 16px 32px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  border: none;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), box-shadow 0.25s var(--ease);
  box-shadow: 0 14px 30px -10px rgba(0,0,0,0.45);
}
.btn-primary:hover { background: var(--navy-light); transform: translateY(-2px); }
.btn-primary:active { transform: translateY(-1px); }
.btn-primary.big { font-size: 18px; padding: 18px 44px; margin: 22px 0; }

.product-section {
  display: flex;
  flex-wrap: wrap;
  gap: 56px;
  padding: 70px 6%;
  max-width: 1280px;
  margin: 0 auto;
}
.product-gallery { flex: 1; min-width: 320px; }
.product-main-img {
  width: 100%;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  margin-bottom: 14px;
}
.product-thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.product-thumbs img {
  width: 100%;
  height: 100px;
  object-fit: cover;
  border-radius: 8px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.2s var(--ease);
}
.product-thumbs img:hover { border-color: var(--accent); }
.product-thumbs img.active { border-color: var(--navy); }

.product-info { flex: 1; min-width: 300px; padding-top: 8px; }
.badge-bestseller {
  display: inline-block;
  background: #fdecea;
  color: #c0392b;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.4px;
  padding: 6px 14px;
  border-radius: 4px;
  margin-bottom: 14px;
}
.product-info h2 { font-size: 26px; font-weight: 700; margin-bottom: 12px; letter-spacing: -0.3px; }
.rating-row { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.rating-row .stars { color: var(--accent); font-size: 16px; letter-spacing: 1px; }
.rating-count { font-size: 14px; color: #777; }
.price-row { display: flex; align-items: baseline; gap: 12px; margin-bottom: 22px; flex-wrap: wrap; }
.price-current { font-size: 36px; font-weight: 800; color: var(--navy); letter-spacing: -0.5px; }
.price-pix { font-size: 14px; color: #2e7d32; font-weight: 600; }
.color-select { margin-bottom: 24px; }
.color-label { display: block; font-size: 14px; color: #444; margin-bottom: 10px; }
.color-label strong { color: var(--navy); }
.color-swatches { display: flex; gap: 12px; }
.swatch {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 2px solid #ddd;
  cursor: pointer;
  padding: 0;
  transition: transform 0.15s, border-color 0.15s;
}
.swatch:hover { transform: scale(1.08); }
.swatch.active { border-color: var(--navy); box-shadow: 0 0 0 2px rgba(0,0,0,0.05); }
.feature-list { list-style: none; margin-bottom: 28px; display: flex; flex-direction: column; gap: 10px; }
.feature-list li {
  font-size: 15px;
  color: #444;
  padding-left: 26px;
  position: relative;
}
.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}
.security-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  font-size: 13px;
  color: #666;
}
.security-row svg { width: 18px; height: 18px; color: var(--navy); flex-shrink: 0; }
.payment-icons {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}
.payment-icons span {
  font-size: 12px;
  font-weight: 600;
  color: #777;
  border: 1px solid #e2e2e2;
  border-radius: 6px;
  padding: 5px 12px;
}

.about {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  padding: 80px 6%;
  gap: 56px;
}
.about-img, .about-text { flex: 1; min-width: 280px; }
.about-img { position: relative; }
.about-img::before {
  content: '';
  position: absolute;
  top: 16px; left: 16px;
  width: 100%; height: 100%;
  background: var(--accent);
  opacity: 0.15;
  border-radius: 18px;
  z-index: -1;
}
.about-img img { border-radius: 16px; box-shadow: var(--shadow-lg); }
.about-text h2 {
  font-size: clamp(28px, 3.2vw, 38px);
  margin-bottom: 18px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.8px;
}
.about-text p { font-size: 17px; color: #444; max-width: 440px; }

.stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0;
  padding: 56px 6%;
  background: #fafafa;
  border-top: 1px solid #eee;
  border-bottom: 1px solid #eee;
  text-align: center;
}
.stat {
  padding: 0 50px;
  position: relative;
}
.stat:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  height: 50px; width: 1px;
  background: #ddd;
}
.stat-num {
  display: block;
  font-size: 38px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -1px;
}
.stat-label {
  display: block;
  font-size: 14px;
  color: var(--gray);
  margin-top: 6px;
  font-weight: 500;
}

.testimonials { padding: 70px 6%; text-align: center; }
.testimonials h2 { font-size: 28px; margin-bottom: 36px; font-weight: 800; letter-spacing: -0.5px; }
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 26px;
  text-align: left;
  transition: opacity 0.3s var(--ease);
}
.testimonial-card {
  background: var(--white);
  border: 1px solid #eee;
  border-radius: 16px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.testimonial-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.stars {
  color: var(--accent);
  font-size: 16px;
  margin-bottom: 14px;
  letter-spacing: 2px;
}
.testimonial-card p {
  font-size: 15px;
  color: #333;
  margin-bottom: 18px;
  flex-grow: 1;
  line-height: 1.6;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 10px;
}
.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}
.testimonial-author strong { font-size: 14px; }

.footer {
  text-align: center;
  padding: 56px 6% 32px;
  color: #888;
  font-size: 14px;
  background: #fafafa;
}
.logo-footer {
  height: 32px;
  margin: 0 auto 32px;
  filter: grayscale(1) opacity(0.75);
  border-radius: 6px;
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px;
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid #e5e5e5;
}
.badge {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  color: #444;
  letter-spacing: 0.2px;
}
.badge-icon {
  width: 22px;
  height: 22px;
  color: var(--navy);
  flex-shrink: 0;
}

.security-seals {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 28px;
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid #e5e5e5;
}
.seal {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: #999;
}
.seal svg { width: 18px; height: 18px; color: #aaa; flex-shrink: 0; }

.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(4px);
  z-index: 100;
  align-items: center;
  justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal-box {
  background: var(--white);
  border-radius: 18px;
  padding: 40px;
  width: 90%;
  max-width: 380px;
  position: relative;
  box-shadow: 0 40px 80px -20px rgba(0,0,0,0.5);
}
.modal-close {
  position: absolute;
  top: 18px; right: 18px;
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  color: #999;
  transition: color 0.2s;
}
.modal-close:hover { color: var(--navy); }
.modal-box h3 { font-size: 24px; margin-bottom: 22px; font-weight: 800; }
#auth-form { display: flex; flex-direction: column; gap: 12px; }
#auth-form input {
  padding: 14px 16px;
  border: 1.5px solid #e2e2e2;
  border-radius: 10px;
  font-size: 15px;
  transition: border-color 0.2s;
}
#auth-form input:focus { outline: none; border-color: var(--accent); }
#auth-phone { display: none; }
.modal-submit { width: 100%; text-align: center; margin: 10px 0 0; }
.modal-toggle { text-align: center; font-size: 14px; margin-top: 20px; color: #666; }
.modal-toggle a { color: var(--navy); font-weight: 700; text-decoration: none; margin-left: 4px; }
.modal-msg { text-align: center; font-size: 13px; margin-top: 12px; color: #c0392b; min-height: 16px; }

@media (max-width: 760px) {
  .hero-banner-content {
    position: static;
    transform: none;
    max-width: 100%;
    padding: 28px 6%;
    background: var(--navy);
    color: var(--white);
  }
  .hero-banner-content .eyebrow { color: var(--accent); }
  .hero-banner img { max-height: 320px; }
  .product-section { padding: 40px 6%; gap: 36px; }
  .about { padding: 50px 6%; }
  .topbar { padding: 12px 4%; gap: 8px; }
  .topbar-nav { gap: 10px; }
  .topbar-nav a { font-size: 11px; }
  .logo { height: 30px; }
  .topbar-right { gap: 10px; }
  .icon-link svg { width: 18px; height: 18px; }
  .benefits-bar { gap: 16px; font-size: 12px; }
  .stats { gap: 30px; }
  .stat { padding: 0 10px; }
  .stat:not(:last-child)::after { display: none; }
}
