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

:root {
  --bg: #0f0f11;
  --bg-alt: #16161a;
  --surface: #1c1c21;
  --border: #2a2a32;
  --text: #e8e8ec;
  --text-muted: #9a9aa8;
  --primary: #00c2ff;
  --primary-dark: #0099cc;
  --accent: #ff3b5c;
  --success: #22c55e;
  --radius: 12px;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

html {
  scroll-behavior: smooth;
}

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

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

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

ul {
  list-style: none;
}

.container {
  width: min(1120px, 92%);
  margin-inline: auto;
}

/* ===== Typography ===== */
h1, h2, h3 {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: 0.02em;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  margin-bottom: 0.5rem;
}

h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header p {
  color: var(--text-muted);
  max-width: 520px;
  margin-inline: auto;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  border: 2px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--primary);
  color: #000;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

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

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-large {
  padding: 1rem 2.2rem;
  font-size: 1.05rem;
}

.btn-paypal {
  background: #0070ba;
  color: #fff;
  border-color: #0070ba;
}

.btn-paypal:hover {
  background: #005ea6;
  border-color: #005ea6;
  color: #fff;
  transform: translateY(-1px);
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(15, 15, 17, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-family: 'Oswald', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

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

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
}

/* ===== Hero ===== */
.hero {
  padding: 120px 0 80px;
  background: linear-gradient(180deg, #0f0f11 0%, #16161a 100%);
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-desc {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 2rem;
  max-width: 480px;
}

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

.hero-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

/* ===== Features ===== */
.features {
  padding: 60px 0;
  background: var(--bg-alt);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  text-align: center;
  transition: transform 0.2s, border-color 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
}

.feature-icon {
  font-size: 1.8rem;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ===== How it works ===== */
.how-it-works {
  padding: 80px 0;
  background: var(--bg);
}

.video-wrap {
  max-width: 360px;
  margin: 0 auto 2rem;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: #000;
}

.video-wrap video {
  display: block;
  width: 100%;
  height: auto;
}

.how-steps {
  max-width: 640px;
  margin: 0 auto;
  color: var(--text-muted);
}

.how-steps li {
  margin-bottom: 0.6rem;
}

.how-steps strong {
  color: var(--primary);
}

/* ===== Product ===== */
.product {
  padding: 80px 0;
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.checklist {
  margin: 1.5rem 0;
}

.checklist li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 0.85rem;
  color: var(--text-muted);
}

.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

.note {
  color: var(--text-muted);
  font-size: 0.95rem;
  border-left: 3px solid var(--primary);
  padding-left: 1rem;
  margin-top: 1.5rem;
}

.product-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

/* ===== Gallery ===== */
.gallery {
  padding: 80px 0;
  background: var(--bg-alt);
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

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

@media (max-width: 900px) {
  .gallery-grid-3 {
    grid-template-columns: 1fr;
  }
}

.gallery-item {
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.gallery-item img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.gallery-item figcaption {
  padding: 1.25rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.gallery-item strong {
  color: var(--text);
  display: block;
  margin-bottom: 0.25rem;
}

/* ===== Order Form ===== */
.order {
  padding: 80px 0;
}

.order-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  padding: 2.5rem;
  max-width: 800px;
  margin-inline: auto;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
}

.form-group small {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #5a5a68;
}

.form-footer {
  margin-top: 2rem;
  text-align: center;
}

.form-note {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

/* Success message */
.success-message {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.success-content {
  background: var(--surface);
  border: 1px solid var(--success);
  border-radius: var(--radius);
  padding: 3rem 2rem;
}

.success-content h3 {
  color: var(--success);
  font-size: 1.6rem;
  margin-bottom: 1rem;
}

.success-summary {
  background: var(--bg);
  border-radius: 8px;
  padding: 1.25rem;
  margin: 1.5rem 0;
  text-align: left;
  font-size: 0.95rem;
  color: var(--text-muted);
  white-space: pre-line;
}

/* ===== Payment ===== */
.payment {
  padding: 80px 0;
  background: var(--bg);
}

.payment-box {
  text-align: center;
  max-width: 760px;
  margin-inline: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
}

.payment-box p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.payment-box .small {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: #666;
}

.pay-note {
  margin: 1.5rem 0 1rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.pay-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.price-list {
  margin-top: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
}

.price-list p {
  margin: 0.35rem 0;
}

.price-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

.price-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1rem;
}

.price-card .price {
  font-family: 'Oswald', sans-serif;
  font-size: 2.2rem;
  color: var(--primary);
  margin: 0.35rem 0 0.75rem;
}

@media (max-width: 640px) {
  .price-cards {
    grid-template-columns: 1fr;
  }
}

/* ===== Contact ===== */
.contact {
  padding: 80px 0;
  background: var(--bg-alt);
}

.contact-box {
  text-align: center;
  max-width: 480px;
  margin-inline: auto;
}

.contact-box p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.contact-box .small {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: #666;
}

.contact-box code {
  background: var(--surface);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.85rem;
}

/* ===== Footer ===== */
.footer {
  padding: 3rem 0 2rem;
  border-top: 1px solid var(--border);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .hero-content,
  .product-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

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

  .hero-image {
    order: -1;
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg);
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
    gap: 1rem;
  }

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

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

  .order-form {
    padding: 1.5rem;
  }

  .footer-content {
    flex-direction: column;
    gap: 1.5rem;
  }
}