:root {
  --bg: #f5f5f5;
  --bg-alt: #ffffff;
  --text: #111111;
  --muted: #666666;
  --accent: #111111;
  --accent-soft: #e0e0e0;
  --border: #dddddd;
  --max-width: 1120px;
  --radius: 10px;
  --transition: 200ms ease;
  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.08);
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Helvetica Neue", Arial, sans-serif;
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

/* Layout */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  background: rgba(245, 245, 245, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.logo {
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.9rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-link {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.nav-link:hover {
  color: var(--text);
}

.nav-link.active {
  color: var(--text);
  border-color: var(--text);
}

.nav-cta {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--transition), color var(--transition),
    transform var(--transition), box-shadow var(--transition);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

/* Sections */

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.section {
  margin: 64px 0;
}

.section-intro {
  max-width: 520px;
  color: var(--muted);
}

/* Hero */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
  margin-top: 32px;
}

.hero-text h1 {
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 520px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 8px;
}

.hero-meta {
  font-size: 0.85rem;
  color: var(--muted);
}

.hero-media {
  /*display: flex;*/
  /*justify-content: flex-end;*/
}

.hero-image-placeholder {
  width: 100%;
  max-width: 400px;
  aspect-ratio: 4 / 3;
  border-radius: 24px;
  background: linear-gradient(135deg, #ffffff, #dcdcdc);
  box-shadow: var(--shadow-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.hero-image-placeholder img {
  width: 100%;
  object-fit: cover;
}

/* Buttons */

.primary-btn,
.ghost-btn {
  border-radius: 999px;
  padding: 10px 22px;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background var(--transition), color var(--transition),
    border-color var(--transition), transform var(--transition),
    box-shadow var(--transition);
}

.primary-btn {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.primary-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
}

.primary-btn-large {
  padding: 14px 28px;
}

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

.ghost-btn:hover {
  border-color: var(--text);
}

/* Grid sections */

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 40px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 18px 18px 20px;
  border: 1px solid var(--border);
}

.feature-card h3 {
  margin-top: 0;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.feature-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

/* Split section */

.section-split {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 40px;
  align-items: center;
}

/* Specs */

.spec-list {
  background: var(--bg-alt);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 18px 20px;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  font-size: 0.9rem;
}

.spec-row:last-child {
  border-bottom: none;
}

.spec-label {
  color: var(--muted);
}

.spec-value {
  font-weight: 500;
}

/* successful payment */
.successful-payment-list {
  background: var(--bg-alt);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 18px 20px;
}

.successful-payment-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  font-size: 0.9rem;
}

.successful-payment-row:last-child {
  border-bottom: none;
}

.successful-payment-label {
  color: var(--muted);
}

.successful-payment-value {
  font-weight: 500;
}

/* Desktop */
@media (min-width: 768px) {
  .successful-payment-list {
    width: 50%;
  }
}

/* Videos */

.video-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 24px;
}

.video-wrapper {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.video-embed {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
}

.video-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.video-caption {
  font-size: 0.85rem;
  color: var(--muted);
}

/* Pricing */

.section-pricing {
  display: flex;
  justify-content: center;
}

.pricing-card {
  background: var(--bg-alt);
  border-radius: 24px;
  padding: 28px 28px 32px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  max-width: 420px;
  text-align: center;
}

.price-main {
  font-size: 2rem;
  margin: 8px 0;
}

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

.price-note {
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 20px;
}

.payment-note {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 12px;
}

/* About */

.about-photo-placeholder {
  width: 100%;
  max-width: 360px;
  aspect-ratio: 3 / 4;
  border-radius: 24px;
  background: linear-gradient(135deg, #ffffff, #dcdcdc);
  box-shadow: var(--shadow-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/* Contact form */

.contact-form {
  max-width: 520px;
  margin-top: 24px;
}

.form-row {
  display: flex;
  flex-direction: column;
  margin-bottom: 16px;
}

.form-row label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 6px;
}

.form-row input,
.form-row textarea {
  border-radius: 10px;
  border: 1px solid var(--border);
  padding: 10px 12px;
  font-family: inherit;
  font-size: 0.95rem;
  background: #fff;
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: #000;
}

.contact-alt {
  margin-top: 16px;
  font-size: 0.9rem;
  color: var(--muted);
}

/* Footer */

.site-footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--muted);
  border-top: 1px solid rgba(0, 0, 0, 0.04);
}

.site-footer a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 16px;
  transition: color var(--transition);
}

.site-footer a:hover {
  color: var(--text);
}

/* Responsive */

@media (max-width: 900px) {
  .hero,
  .section-grid,
  .section-split {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-media {
    justify-content: flex-start;
  }

  .video-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .site-header {
    padding-inline: 18px;
  }

  main {
    padding-inline: 18px;
  }
}

@media (max-width: 640px) {
  .nav {
    gap: 12px;
  }

  .nav-link {
    display: none;
  }

  .nav-cta {
    padding-inline: 14px;
  }

  .site-footer {
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
  }
}