:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f6f8fa;
  --color-text: #1a2233;
  --color-text-muted: #5b6472;
  --color-primary: #1f6f5c;
  --color-primary-dark: #16523f;
  --color-accent: #e8b74a;
  --color-border: #e6e9ee;
  --radius: 14px;
  --max-width: 1120px;
  --shadow-sm: 0 1px 3px rgba(16, 24, 40, 0.06);
  --shadow-md: 0 8px 24px rgba(16, 24, 40, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #10151c;
    --color-bg-alt: #161c25;
    --color-text: #e9edf2;
    --color-text-muted: #9aa5b1;
    --color-primary: #3fb897;
    --color-primary-dark: #2f8f78;
    --color-accent: #f0c56a;
    --color-border: #262e3a;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.35);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
  }
}

:root[data-theme="dark"] {
  --color-bg: #10151c;
  --color-bg-alt: #161c25;
  --color-text: #e9edf2;
  --color-text-muted: #9aa5b1;
  --color-primary: #3fb897;
  --color-primary-dark: #2f8f78;
  --color-accent: #f0c56a;
  --color-border: #262e3a;
}

:root[data-theme="light"] {
  --color-bg: #ffffff;
  --color-bg-alt: #f6f8fa;
  --color-text: #1a2233;
  --color-text-muted: #5b6472;
  --color-primary: #1f6f5c;
  --color-primary-dark: #16523f;
  --color-accent: #e8b74a;
  --color-border: #e6e9ee;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { font-weight: 700; line-height: 1.2; margin: 0 0 0.5em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.1rem; margin-bottom: 0.4em; }

.section-lead {
  color: var(--color-text-muted);
  max-width: 720px;
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text);
}
.logo .dot { color: var(--color-primary); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.main-nav a {
  color: var(--color-text);
  font-size: 0.95rem;
  font-weight: 500;
}
.main-nav a:hover { color: var(--color-primary); text-decoration: none; }

.nav-cta {
  background: var(--color-primary);
  color: #fff !important;
  padding: 8px 16px;
  border-radius: 999px;
}
.nav-cta:hover { background: var(--color-primary-dark); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-text);
  display: block;
}

/* Hero */
.hero {
  background: linear-gradient(180deg, var(--color-bg-alt), var(--color-bg));
  padding: 88px 0 64px;
  border-bottom: 1px solid var(--color-border);
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}
.hero-sub {
  max-width: 640px;
  color: var(--color-text-muted);
  font-size: 1.1rem;
  margin-bottom: 28px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; }

.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-dark); text-decoration: none; }
.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-ghost:hover { border-color: var(--color-primary); color: var(--color-primary); text-decoration: none; }

.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  border-top: 1px solid var(--color-border);
  padding-top: 28px;
}
.stat strong { display: block; font-size: 1.4rem; color: var(--color-primary); }
.stat span { font-size: 0.85rem; color: var(--color-text-muted); }

/* Sections */
.section { padding: 72px 0; }
.section.alt { background: var(--color-bg-alt); }

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
}
.info-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-sm);
}
.info-card p { color: var(--color-text-muted); margin: 0; font-size: 0.95rem; }

.two-col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.checklist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.checklist li {
  position: relative;
  padding-left: 26px;
  color: var(--color-text-muted);
}
.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.tag {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 0.9rem;
}

.callout {
  background: color-mix(in srgb, var(--color-primary) 10%, var(--color-bg));
  border: 1px solid color-mix(in srgb, var(--color-primary) 30%, var(--color-border));
  border-radius: var(--radius);
  padding: 20px 24px;
}
.callout p { margin: 0; }

/* Contact */
.contact-form {
  max-width: 560px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.form-row { display: flex; flex-direction: column; gap: 6px; }
.form-row label { font-size: 0.9rem; font-weight: 600; }
.form-row input, .form-row textarea, .form-row select {
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: inherit;
  font-size: 0.95rem;
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}
.form-note { font-size: 0.85rem; color: var(--color-text-muted); }
.contact-form .btn { align-self: flex-start; }
.hp-field { position: absolute; left: -9999px; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 28px 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 760px) {
  .main-nav {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px 24px;
    gap: 16px;
    display: none;
  }
  .main-nav.open { display: flex; }
  .nav-toggle { display: flex; }
  .hero { padding: 56px 0 40px; }
  .hero-stats { gap: 24px; }
}