/* FoundryStack — agents.foundrystack.app */

:root {
  --bg: #0b0d10;
  --bg-alt: #111419;
  --card: #161a20;
  --border: #23282f;
  --text: #e9edf2;
  --text-dim: #9aa3af;
  --accent: #ff6b35;
  --accent-dim: #ff6b3522;
  --radius: 12px;
  --max: 1100px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 { line-height: 1.2; margin: 0 0 16px; font-weight: 700; }
h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); text-align: center; margin-bottom: 40px; }
h3 { font-size: 1.15rem; margin-bottom: 8px; }
p { margin: 0 0 12px; color: var(--text-dim); }

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11,13,16,0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
}
.logo { font-weight: 800; font-size: 1.2rem; color: var(--text); }
.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav a { color: var(--text-dim); font-size: 0.95rem; }
.main-nav a:hover { color: var(--text); }
.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 600;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 1rem;
  transition: transform .15s ease, opacity .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }

/* Hero */
.hero { padding: 110px 0 90px; text-align: center; }
.eyebrow {
  display: inline-block;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.hero h1 { margin-bottom: 20px; }
.hero-sub {
  max-width: 640px;
  margin: 0 auto 32px;
  font-size: 1.15rem;
  color: var(--text-dim);
}
.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 16px; }
.hero-note { font-size: 0.85rem; color: var(--text-dim); }

/* Problem */
.problem { padding: 80px 0; background: var(--bg-alt); }
.problem h2 { max-width: 720px; margin-left: auto; margin-right: auto; }
.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.problem-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

/* Why / Features */
.why { padding: 90px 0; }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}
.feature-icon { font-size: 1.8rem; margin-bottom: 12px; }

/* How it works */
.how { padding: 90px 0; background: var(--bg-alt); }
.steps { list-style: none; margin: 0 auto; padding: 0; max-width: 680px; }
.steps li { display: flex; gap: 20px; margin-bottom: 36px; align-items: flex-start; }
.step-num {
  flex-shrink: 0;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--accent-dim);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
}

/* Waitlist */
.waitlist { padding: 90px 0; }
.waitlist-inner { text-align: center; max-width: 560px; margin: 0 auto; }
.waitlist-form {
  display: flex;
  gap: 10px;
  margin: 28px 0 10px;
  flex-wrap: wrap;
  justify-content: center;
}
.waitlist-form input {
  flex: 1;
  min-width: 220px;
  padding: 14px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: 1rem;
}
.waitlist-form input:focus { outline: 2px solid var(--accent); }
.form-note { font-size: 0.8rem; }

/* FAQ */
.faq { padding: 90px 0; background: var(--bg-alt); }
.faq-item {
  max-width: 720px;
  margin: 0 auto 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}
.faq-item:last-child { border-bottom: none; }

/* Final CTA */
.final-cta { padding: 100px 0; text-align: center; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 32px 0; }
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.9rem;
  color: var(--text-dim);
}
.footer-inner nav { display: flex; gap: 20px; }

/* Blog */
.blog-list { max-width: 720px; margin: 60px auto; }
.blog-post-card {
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}
.blog-post-card time { font-size: 0.85rem; color: var(--text-dim); }
.blog-article {
  max-width: 680px;
  margin: 60px auto;
  padding: 0 24px;
}
.blog-article h1 { font-size: 2rem; }
.blog-article time { color: var(--text-dim); font-size: 0.9rem; }
.blog-article p { color: var(--text); font-size: 1.05rem; }

@media (max-width: 720px) {
  .main-nav { gap: 14px; font-size: 0.85rem; }
  .hero { padding: 80px 0 60px; }
}