/* Shared styles for Ivan Radev Studio SEO landing pages.
   Brand-consistent with the main app (Inter, dark theme, gradient accents)
   but a standalone, fully crawlable layout — the main app UI is untouched. */

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

:root {
  --bg: #0a0a0a;
  --bg-2: #111;
  --surface: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.1);
  --text: #ffffff;
  --text-2: rgba(255, 255, 255, 0.72);
  --text-3: rgba(255, 255, 255, 0.5);
  --accent: #4ecdc4;
  --accent-2: #fab1a0;
  --accent-3: #ff6b6b;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 1.5rem; }

/* Top bar */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-weight: 900; letter-spacing: 1px; font-size: 1.05rem; text-decoration: none; color: var(--text); }
.topnav { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.topnav a { color: var(--text-2); text-decoration: none; font-size: 0.9rem; font-weight: 600; transition: color .2s; }
.topnav a:hover { color: var(--accent); }

/* Hero */
.hero {
  padding: 5rem 0 4rem;
  background:
    radial-gradient(circle at 20% 20%, rgba(78, 205, 196, 0.14), transparent 45%),
    radial-gradient(circle at 85% 30%, rgba(255, 107, 107, 0.12), transparent 45%);
}
.hero h1 { font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 900; line-height: 1.1; letter-spacing: -0.5px; }
.hero .lead { margin-top: 1.25rem; font-size: 1.15rem; color: var(--text-2); max-width: 720px; }
.eyebrow {
  display: inline-block; text-transform: uppercase; letter-spacing: 2px;
  font-size: 0.75rem; font-weight: 800; color: var(--accent);
  margin-bottom: 1rem; padding: 0.3rem 0.8rem; border: 1px solid var(--border); border-radius: 999px;
}

/* Buttons */
.btns { margin-top: 2rem; display: flex; gap: 1rem; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.85rem 1.6rem; border-radius: 999px; font-weight: 800; text-decoration: none;
  font-size: 0.9rem; letter-spacing: 0.5px; transition: transform .2s, box-shadow .2s; cursor: pointer;
}
.btn-primary { background: linear-gradient(135deg, var(--accent), #37b3aa); color: #062b28; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(78, 205, 196, 0.3); }
.btn-ghost { border: 1px solid var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* Sections */
section { padding: 3.5rem 0; border-top: 1px solid var(--border); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); font-weight: 800; margin-bottom: 0.75rem; }
h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.5rem; }
p { color: var(--text-2); margin-bottom: 1rem; }
.section-lead { color: var(--text-2); max-width: 760px; margin-bottom: 2rem; }

/* Cards grid */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.25rem; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  padding: 1.5rem; transition: transform .2s, border-color .2s;
}
.card:hover { transform: translateY(-3px); border-color: rgba(78, 205, 196, 0.5); }
.card .ico { font-size: 1.6rem; margin-bottom: 0.6rem; }
.card p { margin-bottom: 0; font-size: 0.95rem; }
.card a { color: var(--accent); text-decoration: none; font-weight: 700; }

/* Feature list */
.checks { list-style: none; display: grid; gap: 0.6rem; }
.checks li { padding-left: 1.8rem; position: relative; color: var(--text-2); }
.checks li::before { content: '✓'; position: absolute; left: 0; color: var(--accent); font-weight: 900; }

/* Testimonials */
.quote {
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  padding: 1.5rem 1.75rem; position: relative;
}
.quote p { font-style: italic; color: rgba(255,255,255,0.9); }
.quote .who { color: var(--accent-2); font-weight: 700; font-style: normal; }
.quote .role { color: var(--text-3); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.5px; }

/* CTA band */
.cta {
  text-align: center;
  background: linear-gradient(135deg, rgba(78,205,196,0.12), rgba(255,107,107,0.12));
  border-radius: 20px; padding: 3rem 1.5rem; margin: 3.5rem 0; border: 1px solid var(--border);
}
.cta h2 { margin-bottom: 0.5rem; }

/* Footer */
.foot { border-top: 1px solid var(--border); padding: 2.5rem 0; color: var(--text-3); font-size: 0.9rem; }
.foot a { color: var(--text-2); text-decoration: none; }
.foot a:hover { color: var(--accent); }
.foot .row { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; align-items: center; }

/* Breadcrumb */
.crumbs { font-size: 0.85rem; color: var(--text-3); padding-top: 1.5rem; }
.crumbs a { color: var(--text-2); text-decoration: none; }
.crumbs a:hover { color: var(--accent); }

a:focus-visible, .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }