:root {
  --bg: #f6fbfa;
  --surface: #ffffff;
  --text: #132120;
  --muted: #48615f;
  --line: #d7e5e2;
  --brand: #0f8f7b;
  --brand-dark: #0a5f53;
  --accent: #1f3f8f;
  --radius: 20px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

.site-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: radial-gradient(circle at 10% 15%, #d5f0ea 0%, transparent 35%),
    radial-gradient(circle at 90% 10%, #dce4ff 0%, transparent 28%),
    radial-gradient(circle at 70% 80%, #d4eee9 0%, transparent 30%),
    linear-gradient(170deg, #f9fdfc 0%, #f1f8f7 42%, #f7fbff 100%);
}

.topbar {
  width: min(1100px, calc(100% - 2rem));
  margin: 1rem auto;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
}

.brand-mark {
  font-family: "Syne", sans-serif;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--brand);
}

.brand-text {
  font-size: 0.95rem;
  font-weight: 700;
}

main {
  width: min(1100px, calc(100% - 2rem));
  margin: 1.5rem auto 3rem;
  display: grid;
  gap: 1rem;
}

.hero,
.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(8px);
}

.hero {
  padding: clamp(2rem, 6vw, 4.2rem);
  background-image: url('assets/hero-bg.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  text-align: center;
}

h1 {
  margin: 0;
  font-family: "Syne", sans-serif;
  font-size: clamp(3rem, 8vw, 6rem);
  letter-spacing: -0.02em;
  color: var(--text);
}

.stealth-text {
  margin: 1rem 0 0;
  font-size: clamp(1rem, 2vw, 1.5rem);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--brand);
}

.hero-cta {
  margin-top: 1.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn,
.pill {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  border-radius: 999px;
  transition: 180ms ease;
}

.pill {
  padding: 0.45rem 0.9rem;
  font-size: 0.9rem;
  border: 1px solid var(--line);
  color: var(--text);
  background: #fff;
}

.btn {
  padding: 0.75rem 1.25rem;
  font-size: 0.95rem;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(130deg, var(--brand) 0%, var(--accent) 100%);
  border: 1px solid transparent;
}

.btn-ghost {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.8);
}

.btn:hover,
.pill:hover {
  transform: translateY(-1px);
  filter: brightness(1.03);
}

.panel {
  padding: clamp(1.25rem, 3vw, 2rem);
}

.panel h2 {
  font-family: "Syne", sans-serif;
  font-size: clamp(1.45rem, 3vw, 2rem);
  margin-bottom: 1rem;
}

.grid {
  display: grid;
  gap: 0.9rem;
}

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

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

.card {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  padding: 1rem;
}

.card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.big {
  font-family: "Syne", sans-serif;
  font-size: 2rem;
  color: var(--brand-dark);
  margin-bottom: 0.4rem;
}

.graphics {
  padding: 0;
  overflow: hidden;
}

.graphics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.graphic-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.contact p {
  margin: 0 0 1.2rem;
  color: var(--muted);
}

footer {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto 2.5rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.88rem;
  color: #597271;
}

footer p {
  margin: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 460ms ease, transform 460ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .grid.three,
  .grid.two {
    grid-template-columns: 1fr;
  }

  .graphics-grid {
    grid-template-columns: 1fr;
  }

  footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 560px) {
  .topbar {
    border-radius: 14px;
  }

  .hero {
    padding: 1.5rem;
  }

  .btn,
  .pill {
    width: 100%;
  }
}