:root {
  --bg: #f8f8fc;
  --white: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --line: #e5e7eb;
  --primary: #d946ef;
  --primary-dark: #a21caf;
  --secondary: #60a5fa;
  --shadow: 0 20px 60px rgba(17, 24, 39, 0.08);
  --radius: 24px;
  --container: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

a {
  text-decoration: none;
}

.container {
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
}

.topbar {
  background: linear-gradient(90deg, #111827, #1f2937);
  color: #fff;
  text-align: center;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
}

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(18px);
  background: rgba(248, 248, 252, 0.82);
  border-bottom: 1px solid rgba(229, 231, 235, 0.7);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  gap: 16px;
}

.logo {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.nav-btn {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 700;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-btn:hover {
  transform: translateY(-2px);
  opacity: 0.95;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 40px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top left, rgba(217, 70, 239, 0.14), transparent 30%),
    radial-gradient(circle at bottom right, rgba(96, 165, 250, 0.14), transparent 28%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.eyebrow,
.section-label {
  display: inline-block;
  margin-bottom: 14px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(217, 70, 239, 0.1);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 700;
}

.hero h1 {
  font-size: clamp(36px, 5vw, 66px);
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 18px;
}

.hero-text {
  font-size: 18px;
  color: var(--muted);
  max-width: 640px;
  margin-bottom: 24px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
}

.hero-badges span {
  background: #fff;
  border: 1px solid var(--line);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
}

.hero-price {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 24px;
}

.hero-price strong {
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.old-price {
  margin-left: 10px;
  color: var(--muted);
  text-decoration: line-through;
  font-size: 18px;
  font-weight: 600;
}

.hero-price small {
  color: var(--muted);
  font-size: 14px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 20px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 18px 40px rgba(217, 70, 239, 0.25);
}

.btn-secondary {
  background: #fff;
  color: var(--text);
  border: 1px solid var(--line);
}

.mini-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.hero-card {
  position: relative;
  background: linear-gradient(180deg, #ffffff, #f3f4f6);
  padding: 20px;
  border-radius: 36px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.main-product-image {
  width: 100%;
  border-radius: 24px;
  object-fit: cover;
}

.floating-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(229, 231, 235, 0.9);
  border-radius: 20px;
  padding: 14px 16px;
  max-width: 220px;
  box-shadow: var(--shadow);
}

.floating-card strong {
  display: block;
  font-size: 16px;
  margin-bottom: 4px;
}

.floating-card span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.floating-card-1 {
  top: 24px;
  left: 24px;
}

.floating-card-2 {
  right: 24px;
  bottom: 24px;
}

section {
  padding: 84px 0;
}

.section-heading {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 42px;
}

.section-heading h2 {
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.section-heading p {
  color: var(--muted);
  font-size: 17px;
}

.trust {
  padding-top: 24px;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.trust-item,
.benefit-card,
.gallery-card,
.review-card,
.color-card,
.offer-box,
.final-cta-box,
.features-image,
.features-content,
.solution-box {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.trust-item {
  padding: 24px;
}

.trust-item h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.trust-item p {
  color: var(--muted);
  font-size: 15px;
}

/* HOW TO USE */
.how-to-use {
  background: linear-gradient(180deg, #eef2ff 0%, #f8f8fc 100%);
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
  align-items: stretch;
}

.how-card {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(229, 231, 235, 0.95);
  border-radius: 28px;
  padding: 16px;
  box-shadow: 0 20px 60px rgba(17, 24, 39, 0.08);
  backdrop-filter: blur(8px);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.how-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 26px 70px rgba(17, 24, 39, 0.12);
}

.how-image-wrap {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  background: #ffffff;
}

.how-image {
  width: 100%;
  height: 320px;
  object-fit: cover;
  display: block;
}

.how-step {
  position: absolute;
  left: 50%;
  bottom: -18px;
  transform: translateX(-50%);
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: linear-gradient(135deg, #7c9df5, #5c7ee5);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(92, 126, 229, 0.35);
  border: 4px solid #fff;
}

.how-content {
  text-align: center;
  padding: 34px 10px 10px;
}

.how-content h3 {
  font-size: 24px;
  line-height: 1.2;
  margin-bottom: 10px;
  color: #1f2937;
}

.how-content p {
  font-size: 18px;
  line-height: 1.45;
  color: #4b5563;
  margin: 0;
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.benefit-card {
  padding: 28px;
}

.benefit-card h3 {
  font-size: 22px;
  margin-bottom: 10px;
}

.benefit-card p {
  color: var(--muted);
}

.problem-grid,
.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: center;
}

.problem-text h2,
.features-content h2 {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
}

.problem-text p,
.features-content p {
  color: var(--muted);
  font-size: 17px;
}

.solution-box {
  padding: 30px;
}

.solution-box h3 {
  font-size: 28px;
  margin-bottom: 10px;
}

.solution-box p {
  color: var(--muted);
  margin-bottom: 18px;
}

.solution-box ul {
  list-style: none;
  display: grid;
  gap: 10px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 3px;
}

.gallery-card {
  overflow: hidden;
}

.gallery-card.large {
  grid-row: span 2;
}

.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.colors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.color-card {
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.color-card::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 5px;
}

.color-card h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.color-card p {
  color: var(--muted);
  font-size: 15px;
}

.red::before { background: #ef4444; }
.blue::before { background: #3b82f6; }
.yellow::before { background: #facc15; }
.green::before { background: #22c55e; }
.purple::before { background: #a855f7; }
.cyan::before { background: #06b6d4; }
.white::before { background: #cbd5e1; }

.features-image,
.features-content {
  padding: 24px;
}

.features-image img {
  border-radius: 18px;
}

.feature-list {
  list-style: none;
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.feature-list li {
  padding: 14px 16px;
  background: #f9fafb;
  border: 1px solid var(--line);
  border-radius: 16px;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.review-card {
  padding: 28px;
}

.stars {
  font-size: 20px;
  margin-bottom: 14px;
}

.review-card p {
  color: var(--muted);
  margin-bottom: 14px;
}

.offer-box {
  padding: 34px;
  display: grid;
  grid-template-columns: 1.2fr auto auto;
  gap: 24px;
  align-items: center;
}

.offer-box h2 {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 10px;
}

.offer-box p {
  color: var(--muted);
}

.offer-price strong {
  display: block;
  font-size: 42px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.offer-price span {
  color: var(--muted);
  font-weight: 600;
}

.offer-note {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 0 20px;
  box-shadow: var(--shadow);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 0;
  font-size: 18px;
  font-weight: 700;
}

.faq-item p {
  color: var(--muted);
  padding-bottom: 20px;
}

.final-cta-box {
  text-align: center;
  padding: 40px 28px;
}

.final-cta-box h2 {
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.final-cta-box p {
  color: var(--muted);
  margin-bottom: 20px;
}

.footer {
  padding: 32px 0 110px;
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 20px;
}

.footer h3 {
  font-size: 22px;
  margin-bottom: 8px;
}

.footer p {
  color: var(--muted);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.disclaimer {
  max-width: 640px;
}

.sticky-whatsapp {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 1200;
  display: none;
  text-align: center;
  color: #fff;
  background: linear-gradient(135deg, #22c55e, #16a34a);
  padding: 16px 20px;
  border-radius: 999px;
  font-weight: 800;
  box-shadow: 0 20px 40px rgba(34, 197, 94, 0.25);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@media (max-width: 1100px) {
  .hero-grid,
  .problem-grid,
  .features-grid,
  .offer-box {
    grid-template-columns: 1fr;
  }

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

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

  .gallery-card.large {
    grid-row: auto;
  }
}

@media (max-width: 760px) {
  section {
    padding: 64px 0;
  }

  .hero {
    padding-top: 48px;
  }

  .hero h1 {
    font-size: 38px;
  }

  .hero-text {
    font-size: 16px;
  }

  .trust-grid,
  .how-grid,
  .benefit-grid,
  .gallery-grid,
  .colors-grid,
  .reviews-grid,
  .footer-content {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn,
  .nav-btn {
    width: 100%;
  }

  .floating-card {
    position: static;
    margin-top: 14px;
    max-width: 100%;
  }

  .hero-card {
    padding: 16px;
  }

  .how-image {
    height: 280px;
  }

  .how-content h3 {
    font-size: 22px;
  }

  .how-content p {
    font-size: 16px;
  }

  .sticky-whatsapp {
    display: block;
  }

  .footer {
    padding-bottom: 100px;
  }
}