@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:wght@400;500;600;700&display=swap");

:root {
  color-scheme: light;
  --bg: #0d1615;
  --bg-soft: #142120;
  --surface: #f4f1ea;
  --surface-muted: #e6e0d6;
  --ink: #0f1716;
  --ink-light: #f9f6f0;
  --slate: #5c6b6a;
  --accent: #1f5b57;
  --accent-bright: #2a7b75;
  --border: rgba(15, 23, 22, 0.12);
  --glass: rgba(16, 28, 27, 0.78);
  --shadow: 0 20px 50px rgba(7, 12, 12, 0.35);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --transition: 220ms ease;
}

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

body {
  font-family: "Inter", "Helvetica Neue", sans-serif;
  background: linear-gradient(120deg, #0b1211 0%, #101a19 40%, #151f1e 100%);
  color: var(--ink-light);
  min-height: 100vh;
}

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

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

.container {
  width: min(1200px, 92vw);
  margin: 0 auto;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: linear-gradient(120deg, rgba(9, 15, 14, 0.92), rgba(20, 33, 32, 0.9));
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.logo {
  font-family: "Playfair Display", serif;
  font-size: 1.6rem;
  letter-spacing: 0.04em;
  color: var(--surface);
}

.nav-links {
  display: flex;
  gap: 26px;
  align-items: center;
}

.nav-item {
  position: relative;
  font-size: 0.95rem;
  color: rgba(249, 246, 240, 0.85);
  padding: 10px 0;
}

.nav-item:hover,
.nav-item:focus-within {
  color: var(--surface);
}

.dropdown {
  position: absolute;
  top: 120%;
  left: 0;
  min-width: 220px;
  background: rgba(12, 19, 18, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 12px;
  display: none;
  box-shadow: var(--shadow);
}

.nav-item:hover .dropdown,
.nav-item:focus-within .dropdown {
  display: grid;
  gap: 8px;
}

.dropdown a {
  padding: 8px 10px;
  border-radius: 10px;
  font-size: 0.88rem;
  color: rgba(249, 246, 240, 0.85);
  transition: var(--transition);
}

.dropdown a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--surface);
}

.nav-cta {
  padding: 10px 18px;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--accent), var(--accent-bright));
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--surface);
}

.hero {
  padding: 80px 0 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  align-items: center;
}

.hero h1 {
  font-family: "Playfair Display", serif;
  font-size: clamp(2.6rem, 3.4vw, 4rem);
  line-height: 1.05;
  color: var(--surface);
  margin-bottom: 18px;
}

.hero p {
  color: rgba(249, 246, 240, 0.8);
  font-size: 1.05rem;
  line-height: 1.6;
  margin-bottom: 26px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.button-primary,
.button-secondary {
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
}

.button-primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-bright));
  color: var(--surface);
}

.button-secondary {
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--surface);
}

.hero-card {
  background: rgba(12, 19, 18, 0.85);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-card h3 {
  font-size: 1.1rem;
  margin-bottom: 18px;
}

.hero-card ul {
  display: grid;
  gap: 14px;
  list-style: none;
  font-size: 0.95rem;
  color: rgba(249, 246, 240, 0.78);
}

.section {
  padding: 60px 0;
  background: var(--surface);
  color: var(--ink);
}

.section.dark {
  background: #0f1716;
  color: var(--surface);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 30px;
}

.section-header h2 {
  font-family: "Playfair Display", serif;
  font-size: clamp(2rem, 2.4vw, 2.8rem);
}

.section-header p {
  color: var(--slate);
  max-width: 520px;
  line-height: 1.6;
}

.roi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.calculator {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 26px;
  border: 1px solid var(--border);
  box-shadow: 0 16px 40px rgba(15, 23, 22, 0.08);
}

.calculator label {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
  display: block;
}

.calculator input,
.calculator select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 22, 0.15);
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.calculator button {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 999px;
  background: var(--accent);
  color: var(--surface);
  font-weight: 600;
}

.metric-card {
  background: #0f1716;
  color: var(--surface);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--shadow);
}

.metric-card h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(249, 246, 240, 0.6);
  margin-bottom: 12px;
}

.metric-card p {
  font-size: 1.7rem;
  font-family: "Playfair Display", serif;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.panel {
  background: var(--surface-muted);
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid rgba(15, 23, 22, 0.12);
}

.panel.dark {
  background: rgba(12, 19, 18, 0.75);
  color: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.footer {
  padding: 40px 0 60px;
  color: rgba(249, 246, 240, 0.6);
  font-size: 0.9rem;
}

.page-hero {
  padding: 70px 0 40px;
}

.page-hero h1 {
  font-family: "Playfair Display", serif;
  font-size: clamp(2.4rem, 3vw, 3.4rem);
  color: var(--surface);
  margin-bottom: 14px;
}

.page-hero p {
  color: rgba(249, 246, 240, 0.8);
  max-width: 600px;
  line-height: 1.6;
}

.placeholder-image {
  height: 220px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(41, 87, 83, 0.7), rgba(16, 25, 24, 0.9));
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.8rem;
  color: rgba(249, 246, 240, 0.75);
  margin-bottom: 12px;
}

@media (max-width: 780px) {
  .nav-links {
    display: none;
  }

  .navbar-inner {
    justify-content: space-between;
  }
}