:root {
  --bg: #050816;
  --bg-alt: #0b1020;
  --card-bg: #101527;
  --accent: #3b82f6;
  --accent-soft: rgba(59, 130, 246, 0.12);
  --text: #e5e7eb;
  --muted: #9ca3af;
  --border: #1f2937;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.55);
  --shadow-card: 0 14px 35px rgba(0, 0, 0, 0.5);
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* Global */

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background: radial-gradient(circle at top left, #111827 0, #020617 42%, #000 100%);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  text-decoration: underline;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 0.4em;
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* Layout */

.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: linear-gradient(
    to bottom,
    rgba(2, 6, 23, 0.95),
    rgba(2, 6, 23, 0.82)
  );
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0.2rem;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: radial-gradient(
    circle at 30% 20%,
    #e5e7eb,
    #3b82f6 55%,
    #0f172a 100%
  );
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  color: #020617;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.9);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 0.95rem;
}

.logo-tagline {
  font-size: 0.75rem;
  color: var(--muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.9rem;
}

.nav-links a {
  color: var(--muted);
}

.nav-links a:hover {
  color: var(--text);
}

/* Buttons */

.btn-primary,
.btn-secondary,
.btn-outline,
.btn-full {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.65rem 1.35rem;
  font-size: 0.9rem;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #2563eb, #4f46e5);
  color: white;
  box-shadow: 0 18px 45px rgba(37, 99, 235, 0.6);
}

.btn-primary:hover {
  box-shadow: 0 24px 55px rgba(37, 99, 235, 0.85);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(15, 23, 42, 0.9);
  color: var(--text);
  border-color: rgba(148, 163, 184, 0.35);
}

.btn-secondary:hover {
  border-color: rgba(148, 163, 184, 0.8);
}

.btn-outline {
  background: rgba(15, 23, 42, 0.7);
  border-color: rgba(148, 163, 184, 0.3);
  color: var(--muted);
  padding: 0.45rem 0.95rem;
}

.btn-outline:hover {
  color: var(--text);
  border-color: rgba(148, 163, 184, 0.8);
}

.btn-full {
  width: 100%;
}

/* Hero */

.hero {
  padding: 3.2rem 0 2.8rem;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.3fr);
  gap: 2rem;
  align-items: stretch;
}

.hero-text h1 {
  font-size: clamp(1.9rem, 3vw, 2.3rem);
  margin-bottom: 0.6rem;
}

.hero-text p {
  color: var(--muted);
  max-width: 34rem;
}

.hero-actions {
  margin-top: 1.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-meta {
  margin-top: 1.1rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.hero-panel {
  background: radial-gradient(
      circle at 0 0,
      rgba(37, 99, 235, 0.25),
      transparent 55%
    ),
    var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.25rem;
  border: 1px solid rgba(148, 163, 184, 0.22);
  box-shadow: var(--shadow-soft);
}

.hero-panel h2 {
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
}

.hero-panel p {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.7rem;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0;
  font-size: 0.85rem;
}

.contact-list li {
  margin-bottom: 0.3rem;
}

/* Sections */

.section {
  padding: 2.7rem 0;
}

.section-alt {
  background: radial-gradient(
    circle at top center,
    rgba(15, 23, 42, 0.9),
    #020617 58%,
    #000 100%
  );
}

.section h2 {
  font-size: 1.4rem;
}

.section-intro {
  margin-top: 0.2rem;
  margin-bottom: 1.6rem;
  color: var(--muted);
  max-width: 34rem;
  font-size: 0.95rem;
}

/* Cards */

.grid {
  display: grid;
  gap: 1.2rem;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.4rem;
}

.card {
  background: linear-gradient(
    to bottom right,
    rgba(15, 23, 42, 0.96),
    rgba(15, 23, 42, 0.98)
  );
  border-radius: var(--radius-lg);
  padding: 1.1rem 1rem;
  border: 1px solid rgba(148, 163, 184, 0.2);
  box-shadow: var(--shadow-card);
  font-size: 0.9rem;
}

.card h3 {
  font-size: 1rem;
  margin-bottom: 0.3rem;
}

.card p {
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.card ul {
  padding-left: 1.15rem;
  margin: 0;
}

.card li {
  margin-bottom: 0.2rem;
}

/* Lists */

.bullet-list {
  padding-left: 1.1rem;
  margin: 0.2rem 0 0;
  font-size: 0.9rem;
}

.bullet-list li {
  margin-bottom: 0.25rem;
}

/* Contact section */

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.4fr);
  gap: 1.8rem;
}

.contact-main {
  font-size: 0.9rem;
}

.contact-main li {
  margin-bottom: 0.35rem;
}

.contact-cta {
  background: radial-gradient(
      circle at top left,
      rgba(59, 130, 246, 0.25),
      rgba(15, 23, 42, 0.98)
    );
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.15rem;
  border: 1px solid rgba(148, 163, 184, 0.2);
  box-shadow: var(--shadow-soft);
  font-size: 0.9rem;
}

.contact-cta p {
  color: var(--muted);
  margin-top: 0.35rem;
  margin-bottom: 0.7rem;
}

.contact-note {
  font-size: 0.8rem;
}

/* Footer */

.site-footer {
  border-top: 1px solid rgba(31, 41, 55, 0.9);
  background: #020617;
  padding: 0.95rem 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Responsive */

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-panel {
    order: -1;
  }

  .nav-links {
    gap: 0.85rem;
  }
}

@media (max-width: 720px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
  }

  .nav-links {
    width: 100%;
    justify-content: space-between;
  }

  .grid-2,
  .contact-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero {
    padding-top: 2.5rem;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }
}