:root {
  --bg: #F2FAF5;
  --surface: #FFFFFF;
  --surface-2: #E3F2EA;
  --accent: #2D6A4F;
  --accent-hover: #1B4332;
  --accent-soft: rgba(45, 106, 79, 0.14);
  --accent-glow: #95D5B2;
  --warm: #1B3A2F;
  --muted: #5C7A6A;
  --body: #3D5A4A;
  --line: #C8E6D4;
  --line-strong: #A8D5BA;
  --footer-bg: #1B4332;
  --shadow: 0 8px 32px rgba(27, 67, 50, 0.08);
  --shadow-hover: 0 16px 48px rgba(27, 67, 50, 0.14);
  --radius: 0;
  --radius-lg: 0;
  --font-display: "Playfair Display", Georgia, serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --container: 1180px;
  --nav-h: 76px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  color: var(--body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; border-radius: 0; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1rem; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--warm);
  margin: 0 0 1rem;
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.container { width: min(100% - 2rem, var(--container)); margin-inline: auto; position: relative; z-index: 1; }

.topbar {
  background: var(--accent);
  color: #fff;
  min-height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem 0;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.topbar-item { padding: 0.5rem 1.25rem; }
.topbar-item + .topbar-item { border-left: 1px solid rgba(255,255,255,0.25); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(242, 250, 245, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.site-header.is-scrolled {
  border-color: var(--line);
  box-shadow: var(--shadow);
}
.nav-inner {
  min-height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.brand {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--warm);
  letter-spacing: 0.02em;
  flex-shrink: 0;
}
.brand-accent { color: var(--accent); }
.nav-links {
  display: flex;
  gap: 1.5rem;
  margin-left: auto;
  font-size: 0.9rem;
  font-weight: 500;
}
.nav-links a:hover { color: var(--accent); }
.nav-cta { margin-left: 0.5rem; flex-shrink: 0; }
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--warm);
  transition: transform 0.3s var(--ease), opacity 0.3s;
}
.menu-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.is-open span:nth-child(2) { opacity: 0; }
.menu-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-drawer {
  display: none;
  position: fixed;
  inset: 0;
  top: calc(38px + var(--nav-h));
  background: var(--surface);
  z-index: 99;
  flex-direction: column;
  padding: 2rem;
  gap: 1.25rem;
  font-size: 1.1rem;
  font-weight: 500;
  transform: translateX(100%);
  transition: transform 0.35s var(--ease);
}
.mobile-drawer.is-open { transform: translateX(0); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.25s, color 0.25s, border-color 0.25s, transform 0.2s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-outline { background: transparent; color: var(--accent); border-color: var(--accent); }
.btn-outline:hover { background: var(--accent-soft); }
.btn-primary-lg { padding: 1rem 2.25rem; font-size: 0.95rem; }

.hero-banner {
  position: relative;
  width: 100%;
  min-height: clamp(280px, 42vw, 520px);
  overflow: hidden;
  background: linear-gradient(135deg, #1B4332 0%, #2D6A4F 50%, #40916C 100%);
}
.hero-banner img {
  width: 100%;
  height: clamp(280px, 42vw, 520px);
  object-fit: cover;
  object-position: center;
}
.hero-banner__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(27, 67, 50, 0.82) 0%, rgba(27, 67, 50, 0.35) 55%, transparent 100%);
  display: flex;
  align-items: center;
}
.hero-banner__content {
  padding: 2.5rem clamp(1rem, 5vw, 4rem);
  max-width: 640px;
  color: #fff;
}
.hero-banner__tag {
  display: inline-block;
  background: rgba(149, 213, 178, 0.25);
  border: 1px solid rgba(149, 213, 178, 0.5);
  color: var(--accent-glow);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.4rem 0.9rem;
  margin-bottom: 1rem;
}
.hero-banner__content h1 {
  color: #fff;
  font-size: clamp(1.75rem, 4vw, 3rem);
  margin-bottom: 0.75rem;
}
.hero-banner__content p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 1.5rem;
  max-width: 48ch;
}
.hero-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.hero-banner .btn-primary {
  background: #fff;
  color: var(--accent);
  border-color: #fff;
}
.hero-banner .btn-primary:hover {
  background: var(--accent-glow);
  border-color: var(--accent-glow);
  color: var(--warm);
}
.hero-banner .btn-outline {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.6);
}
.hero-banner .btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
}

.hero {
  position: relative;
  padding: 4rem 0 5rem;
  overflow: hidden;
  background: linear-gradient(160deg, var(--bg) 0%, var(--surface-2) 100%);
}
.hero-bg-num {
  position: absolute;
  right: -2rem;
  top: 1rem;
  font-family: var(--font-display);
  font-size: clamp(8rem, 20vw, 16rem);
  font-weight: 700;
  color: var(--accent-soft);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.hero-meta { font-size: 0.82rem; color: var(--muted); margin-bottom: 0.75rem; letter-spacing: 0.04em; }
.hero-tag {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 0.85rem;
  margin-bottom: 1rem;
}
.hero h1 { font-size: clamp(2rem, 4vw, 3.2rem); }
.hero-lead { font-size: 1.05rem; max-width: 52ch; }
.trust-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  margin: 1.5rem 0;
}
.trust-card {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--warm);
}
.hero-media img { box-shadow: var(--shadow-hover); }
.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  margin-top: 2.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

.intro-block { padding: 2.5rem 0; background: var(--surface); }
.callout {
  background: var(--surface-2);
  border-left: 4px solid var(--accent);
  padding: 1rem 1.25rem;
  margin: 1.25rem 0;
  font-size: 0.92rem;
}
.section-divider { border: none; border-top: 1px solid var(--line); margin: 0; }

.section { position: relative; padding: 5rem 0; overflow: hidden; }
.section--a { background: var(--bg); }
.section--b { background: var(--surface-2); }
.section-alt { background: var(--surface); }
.section-white { background: var(--surface); }
.section-num {
  position: absolute;
  left: 50%;
  top: 1.5rem;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 700;
  color: var(--accent-soft);
  line-height: 1;
  pointer-events: none;
}
.section-header { margin-bottom: 2.5rem; max-width: 720px; }
.section-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.section-header h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }

.story-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: start;
}
.story-grid.reverse { direction: rtl; }
.story-grid.reverse > * { direction: ltr; }
.story-media-stack { display: flex; flex-direction: column; gap: 1rem; }
.story-media img { box-shadow: var(--shadow); }

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 1.5rem;
}
.pillar-card {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 1.5rem;
}
.pillar-card h3 { font-size: 1.1rem; color: var(--accent); margin-bottom: 0.5rem; }
.pillar-card p { font-size: 0.92rem; margin: 0; }

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-top: 1.5rem;
}
.benefit-card {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 1.5rem;
}
.benefit-card h3 { font-size: 1rem; margin-bottom: 0.5rem; }
.benefit-card p { font-size: 0.9rem; margin: 0; }

.demo-steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}
.demo-step {
  background: var(--surface);
  border: 1px solid var(--line);
  overflow: hidden;
}
.demo-step img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.demo-step figcaption {
  padding: 1rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--warm);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}
.compare-table th, .compare-table td {
  border: 1px solid var(--line);
  padding: 0.85rem 1rem;
  text-align: left;
}
.compare-table th { background: var(--surface-2); font-weight: 600; color: var(--warm); }
.compare-table td:first-child { font-weight: 500; color: var(--warm); }

.before-after {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}
.ba-card {
  background: var(--surface);
  border: 1px solid var(--line);
  overflow: hidden;
}
.ba-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.ba-card .ba-label {
  padding: 0.75rem 1.25rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--surface-2);
  color: var(--accent);
}
.ba-card p { padding: 1rem 1.25rem; font-size: 0.88rem; margin: 0; }

.price-section {
  padding: 5rem 0;
  background: linear-gradient(160deg, var(--surface-2) 0%, var(--bg) 100%);
}
.price-card {
  max-width: 520px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 2.5rem;
  box-shadow: var(--shadow-hover);
  text-align: center;
}
.price-card h2 { font-size: 1.5rem; }
.price-features {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
  text-align: left;
}
.price-features li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.price-features li::before {
  content: "✓";
  color: var(--accent);
  font-weight: 700;
}
.price-amount {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  margin: 1rem 0 1.5rem;
}

.faq-list { max-width: 760px; margin: 2rem auto 0; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--warm);
  text-align: left;
}
.faq-arrow { flex-shrink: 0; transition: transform 0.3s var(--ease); }
.faq-item.is-open .faq-arrow { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s var(--ease); }
.faq-answer-inner { padding-bottom: 1.25rem; font-size: 0.92rem; }
.warn-box {
  max-width: 760px;
  margin: 2rem auto 0;
  background: var(--surface-2);
  border: 1px solid var(--line);
  padding: 1.25rem;
  font-size: 0.88rem;
  text-align: center;
}

.site-footer {
  background: var(--footer-bg);
  color: rgba(255,255,255,0.7);
  padding: 3rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 2rem;
}
.footer-brand {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.75rem;
}
.footer-note { font-size: 0.85rem; line-height: 1.6; }
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: 0.88rem;
}
.footer-links a:hover { color: var(--accent-glow); }
.footer-divider { border: none; border-top: 1px solid rgba(255,255,255,0.12); margin: 2rem 0 1.5rem; }

.page-main { padding: 3rem 0 5rem; }
.page-header { margin-bottom: 2.5rem; max-width: 640px; }
.crumbs { font-size: 0.82rem; color: var(--muted); margin-bottom: 0.5rem; }
.page-tag {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 0.85rem;
  margin-bottom: 0.75rem;
}
.page-lead { font-size: 1.05rem; }

.product-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
  margin-bottom: 3rem;
}
.product-image-frame {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 2rem;
}
.product-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-top: 0.75rem;
}
.product-gallery img {
  border: 1px solid var(--line);
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s;
}
.product-gallery img.is-active, .product-gallery img:hover { opacity: 1; }
.price-card--inline { text-align: left; max-width: none; margin: 0; }
.section-block { margin-bottom: 2.5rem; }

.page-main--checkout { padding-top: 2rem; }
.checkout-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  align-items: start;
}
.form-card {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 2rem;
}
.form-section-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--warm);
  margin: 1.5rem 0 1rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--line);
}
.form-section-title:first-of-type { border-top: none; margin-top: 0; padding-top: 0; }
label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--warm);
  margin-bottom: 1rem;
}
input[type="text"], input[type="email"], input[type="tel"] {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line-strong);
  background: var(--bg);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--warm);
  transition: border-color 0.2s;
}
input:focus { outline: none; border-color: var(--accent); }
.field-error { display: block; color: #c0392b; font-size: 0.78rem; margin-top: 0.25rem; min-height: 1rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.payment-methods { display: flex; gap: 0.75rem; margin-bottom: 0.5rem; }
.method-option {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1rem;
  border: 2px solid var(--line);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: border-color 0.2s, background 0.2s;
}
.method-option:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.payment-block { margin-top: 1rem; }
.order-summary {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 2rem;
  position: sticky;
  top: calc(var(--nav-h) + 1rem);
}
.order-summary h2 { font-size: 1.2rem; margin-bottom: 1.25rem; }
.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--line);
}
.summary-total {
  display: flex;
  justify-content: space-between;
  padding: 1rem 0 0;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--warm);
}
.checkout-feedback {
  margin-top: 1rem;
  padding: 1rem;
  font-size: 0.9rem;
  border-radius: 0;
}
.checkout-feedback.error { background: #fdecea; color: #c0392b; border: 1px solid #f5c6cb; }
.checkout-feedback.success { background: #e8f5e9; color: #2e7d32; border: 1px solid #c8e6c9; }

.legal-content { max-width: 760px; }
.legal-content h2 { font-size: 1.2rem; margin-top: 2rem; }
.legal-content p, .legal-content li { font-size: 0.92rem; }

.slide-in { opacity: 0; transform: translateY(24px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.slide-in--left { transform: translateX(-24px); }
.slide-in--right { transform: translateX(24px); }
.slide-in.is-visible { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .nav-links, .nav-cta { display: none; }
  .menu-toggle { display: flex; }
  .mobile-drawer { display: flex; }
  .hero-grid, .story-grid, .product-layout, .checkout-grid, .pillars, .benefits-grid, .demo-steps, .before-after { grid-template-columns: 1fr; }
  .story-grid.reverse { direction: ltr; }
  .footer-grid { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .product-gallery { grid-template-columns: repeat(4, 1fr); }
  .hero-banner__overlay { background: linear-gradient(180deg, rgba(27, 67, 50, 0.85) 0%, rgba(27, 67, 50, 0.5) 100%); }
}