:root {
  --bg: #0b0d12;
  --bg-alt: #12151d;
  --card: #171b26;
  --border: #262b3a;
  --text: #e7e9ee;
  --text-dim: #9aa1b2;
  --accent: #6ee7b7;
  --accent-2: #7dd3fc;
  --danger: #f87171;
  --radius: 14px;
  --max: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

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

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

/* ---- header ---- */
header.site {
  border-bottom: 1px solid var(--border);
  background: rgba(11, 13, 18, 0.9);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 20;
}

header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
  gap: 16px;
  flex-wrap: wrap;
}

.logo {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}
.logo span { color: var(--accent); }

nav.main { display: flex; gap: 22px; flex-wrap: wrap; }
nav.main a {
  color: var(--text-dim);
  font-weight: 500;
  font-size: 0.95rem;
}
nav.main a:hover, nav.main a.active { color: var(--text); text-decoration: none; }

/* ---- hero ---- */
.hero {
  padding: 88px 0 64px;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(600px 300px at 15% 0%, rgba(110,231,183,0.08), transparent),
    radial-gradient(600px 300px at 85% 20%, rgba(125,211,252,0.08), transparent);
}
.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0 0 18px;
  letter-spacing: -0.02em;
  max-width: 720px;
}
.hero p.lead {
  font-size: 1.15rem;
  color: var(--text-dim);
  max-width: 620px;
  margin: 0 0 30px;
}
.hero .cta-row { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---- buttons ---- */
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--accent); color: #06231a; }
.btn-primary:hover { background: #85f0c4; text-decoration: none; }
.btn-outline { border-color: var(--border); color: var(--text); background: transparent; }
.btn-outline:hover { border-color: var(--accent-2); color: var(--accent-2); text-decoration: none; }

/* ---- sections ---- */
section { padding: 64px 0; }
section.alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.section-head { max-width: 640px; margin: 0 0 40px; }
.section-head .eyebrow {
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 10px;
}
.section-head h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); margin: 0 0 12px; letter-spacing: -0.01em; }
.section-head p { color: var(--text-dim); margin: 0; }

/* ---- grid / cards ---- */
.grid-2col {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 20px;
  align-items: start;
}
.grid-2col.even { grid-template-columns: 1fr 1fr; }
@media (max-width: 720px) {
  .grid-2col, .grid-2col.even { grid-template-columns: 1fr; }
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
}
.card h3 { margin: 0 0 10px; font-size: 1.1rem; }
.card p { margin: 0; color: var(--text-dim); font-size: 0.95rem; }
.card .tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-2);
  background: rgba(125,211,252,0.1);
  border-radius: 999px;
  padding: 4px 10px;
  margin-bottom: 14px;
}

/* ---- pricing ---- */
.price-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  max-width: 420px;
}
.price-card .price { font-size: 2.6rem; font-weight: 800; margin: 6px 0 4px; }
.price-card .price small { font-size: 1rem; color: var(--text-dim); font-weight: 500; }
.price-card ul { padding-left: 20px; margin: 22px 0; color: var(--text-dim); }
.price-card li { margin-bottom: 8px; }

.notice {
  border: 1px solid var(--border);
  background: rgba(125,211,252,0.06);
  border-radius: var(--radius);
  padding: 16px 20px;
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-top: 18px;
}

/* ---- form ---- */
form.contact { display: grid; gap: 16px; max-width: 560px; }
form.contact label { font-size: 0.9rem; font-weight: 600; margin-bottom: 6px; display: block; }
form.contact input,
form.contact select,
form.contact textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-alt);
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
}
form.contact textarea { resize: vertical; min-height: 120px; }
form.contact input:focus, form.contact select:focus, form.contact textarea:focus {
  outline: none;
  border-color: var(--accent-2);
}

/* ---- faq ---- */
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  padding: 4px 22px;
  margin-bottom: 12px;
}
.faq-item summary {
  cursor: pointer;
  padding: 16px 0;
  font-weight: 600;
  list-style: none;
  position: relative;
  padding-right: 28px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 14px;
  color: var(--accent);
  font-size: 1.3rem;
  font-weight: 400;
}
.faq-item[open] summary::after { content: "\2212"; }
.faq-item p {
  color: var(--text-dim);
  margin: 0 0 18px;
  font-size: 0.95rem;
}

/* ---- blog ---- */
.post-list { display: grid; gap: 22px; }
.post-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 26px;
  background: var(--card);
}
.post-item .date { color: var(--text-dim); font-size: 0.82rem; }
.post-item h3 { margin: 6px 0 8px; }
article.post h1 { margin-bottom: 6px; }
article.post .date { color: var(--text-dim); font-size: 0.85rem; margin-bottom: 30px; display: block; }
article.post h2 { margin-top: 40px; }
article.post p { color: var(--text-dim); }

/* ---- footer ---- */
footer.site {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  color: var(--text-dim);
  font-size: 0.85rem;
}
footer.site .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

@media (max-width: 640px) {
  header.site .wrap { flex-direction: column; align-items: flex-start; }
}