/*main.css*/

:root {
  --bg: #0f172a;
  --bg-alt: #020617;
  --card-bg: #020617;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #38bdf8;
  --accent-soft: rgba(56, 189, 248, 0.12);
  --border-subtle: #1f2937;
  --danger: #f97373;
  --radius: 10px;
  --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.4);
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont,
               "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: radial-gradient(circle at top, #1f2937 0, #020617 55%);
  color: var(--text);
}

/* Layout */

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section {
  padding: 4rem 0;
}

.section-alt {
  background: radial-gradient(circle at top, #0b1120 0, #020617 55%);
}

.section-intro {
  max-width: 640px;
  color: var(--muted);
}

/* Header / hero */

.site-header {
  padding: 3.5rem 0 2.5rem;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.site-title {
  font-size: 2.4rem;
  letter-spacing: 0.03em;
  margin: 0 0 0.75rem;
}

.site-title span {
  color: var(--accent);
}

.site-tagline {
  max-width: 600px;
  color: var(--muted);
  margin: 0 0 1.5rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-photo img {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent);
  box-shadow: var(--shadow-soft);
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.18s ease, border-color 0.18s ease,
              transform 0.12s ease, box-shadow 0.12s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #38bdf8, #0ea5e9);
  color: #0b1120;
  box-shadow: 0 16px 30px rgba(56, 189, 248, 0.40);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 40px rgba(56, 189, 248, 0.55);
}

.btn-secondary {
  background: rgba(15, 23, 42, 0.8);
  border-color: #1f2937;
  color: var(--text);
}

.btn-secondary:hover {
  background: #020617;
  border-color: #374151;
}

.btn-small {
  padding: 0.5rem 1.1rem;
  font-size: 0.85rem;
}

.btn-link {
  padding: 0;
  border: none;
  background: none;
  color: var(--accent);
  font-size: 0.9rem;
}

/* Cards */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-soft);
}

.card h3 {
  margin-top: 0;
}

.price-line {
  margin: 0.75rem 0;
  color: var(--accent);
}

/* Two-column */

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

/* Lists */

.checklist {
  list-style: none;
  padding-left: 0;
}

.checklist li {
  position: relative;
  padding-left: 1.4rem;
  margin-bottom: 0.5rem;
}

.checklist li::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* Responsive */

@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-photo img {
    width: 160px;
    height: 160px;
  }

  .two-column {
    grid-template-columns: 1fr;
  }
}