:root {
  --bg: #050816;
  --bg-alt: #0b1020;
  --card: #10182b;
  --accent: #3b82f6;
  --accent-soft: rgba(59, 130, 246, 0.15);
  --text: #e5e7eb;
  --muted: #9ca3af;
  --border: #1f2937;
  --danger: #ef4444;
  --radius-lg: 18px;
  --radius-xl: 26px;
  --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.45);
  --container: 1100px;
  --transition: 0.2s ease-out;
}

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

html,
body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, #1f2937 0, #020617 45%, #000 100%);
  color: var(--text);
}

a {
  color: inherit;
  text-decoration: none;
}

body {
  line-height: 1.6;
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Top bar */
.top-bar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(3, 7, 18, 0.9);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 0;
  gap: 1rem;
}

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

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 0, #facc15, #f97316 55%, #7c2d12 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #020617;
  font-weight: 800;
  font-size: 0.9rem;
  box-shadow: 0 0 25px rgba(245, 158, 11, 0.6);
}

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

.logo-title {
  font-weight: 600;
  font-size: 0.95rem;
}

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

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

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

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.3rem;
  width: 0;
  height: 2px;
  background: linear-gradient(to right, #3b82f6, #22c55e);
  transition: width var(--transition);
}

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

.nav-links a:hover::after {
  width: 100%;
}

/* Hero */
.hero {
  padding: 3.5rem 0 2.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(1.9rem, 3vw, 2.4rem);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.tagline {
  font-size: 0.85rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.5rem;
}

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

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0 0.75rem;
}

.hero-note {
  font-size: 0.85rem;
  color: var(--muted);
}

/* Hero card */
.hero-card {
  background: radial-gradient(circle at 0 0, rgba(59, 130, 246, 0.25), transparent 50%), var(--card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
  padding: 1.5rem 1.4rem 1.3rem;
  border: 1px solid rgba(148, 163, 184, 0.3);
}

.hero-card h2 {
  margin-top: 0;
  margin-bottom: 0.4rem;
  font-size: 1.1rem;
}

.hero-card-text {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.8rem;
}

.video-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.5);
  margin-bottom: 0.5rem;
}

.video-wrapper iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* Sections */
.section {
  padding: 2.8rem 0;
}

.section-alt {
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.9), #020617 70%);
}

.section h2 {
  font-size: 1.5rem;
  margin-bottom: 0.4rem;
}

.section-desc {
  color: var(--muted);
  max-width: 40rem;
  font-size: 0.9rem;
}

/* Grid & cards */
.grid {
  display: grid;
  gap: 1.4rem;
  margin-top: 1.6rem;
}

.cards-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background: rgba(15, 23, 42, 0.95);
  border-radius: var(--radius-lg);
  padding: 1.1rem 1.1rem 1.2rem;
  border: 1px solid rgba(51, 65, 85, 0.9);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
  font-size: 0.9rem;
}

.card h3 {
  margin-top: 0.2rem;
  margin-bottom: 0.4rem;
  font-size: 1rem;
}

.card p {
  color: var(--muted);
  font-size: 0.9rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: #bfdbfe;
  border: 1px solid rgba(59, 130, 246, 0.6);
}

/* About */
.about-grid {
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: flex-start;
}

.about-box {
  background: radial-gradient(circle at top, rgba(34, 197, 94, 0.22), transparent 55%), var(--card);
  border-radius: var(--radius-xl);
  padding: 1.3rem 1.2rem 1.1rem;
  border: 1px solid rgba(74, 222, 128, 0.35);
  box-shadow: var(--shadow-soft);
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.8rem;
  margin-top: 1.4rem;
}

.hint {
  font-size: 0.8rem;
  color: var(--muted);
}

/* Buttons & links */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.btn.primary {
  background: linear-gradient(to right, #3b82f6, #22c55e);
  color: #020617;
  box-shadow: 0 12px 25px rgba(56, 189, 248, 0.4);
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 35px rgba(56, 189, 248, 0.55);
}

.btn.ghost {
  background: transparent;
  border-color: rgba(148, 163, 184, 0.6);
  color: var(--text);
}

.btn.ghost:hover {
  border-color: #3b82f6;
  background: rgba(15, 23, 42, 0.9);
}

.btn.secondary {
  background: rgba(34, 197, 94, 0.15);
  border-color: rgba(34, 197, 94, 0.6);
  color: #bbf7d0;
}

.btn.secondary:hover {
  background: rgba(34, 197, 94, 0.3);
}

.link-inline {
  font-size: 0.85rem;
  color: #bfdbfe;
  display: inline-flex;
  align-items: center;
  gap: 0.15rem;
}

.link-inline:hover {
  text-decoration: underline;
}

/* Lists */
.icon-list {
  list-style: none;
  padding: 0;
  margin: 0.7rem 0 0;
  font-size: 0.9rem;
}

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

.icon-list.small {
  font-size: 0.85rem;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  background: #020617;
  padding: 1.4rem 0 1.8rem;
}

.footer-inner {
  text-align: center;
  font-size: 0.8rem;
  color: var(--muted);
}

.footer-small {
  margin-top: 0.2rem;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid,
  .about-grid,
  .contact-grid,
  .cards-3 {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero {
    padding-top: 2.5rem;
  }

  .nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: flex-start;
  }
}

@media (max-width: 600px) {
  .hero-card {
    margin-top: 0.5rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
}



.logo-img {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: 50%;
}