:root {
  --bg: #eaf0ff;
  --bg-soft: #f7e9ee;
  --surface: #ffffff;
  --ink: #101a3c;
  --ink-muted: #33477a;
  --accent: #d91f3a;
  --accent-deep: #1b57c9;
  --line: #bccaec;
  --shadow: 0 16px 38px rgba(16, 26, 60, 0.12);
}

* {
  box-sizing: border-box;
}

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

body {
  font-family: "Sora", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 84% 10%, rgba(217, 31, 58, 0.28) 0%, rgba(217, 31, 58, 0) 30%),
    radial-gradient(circle at 12% 20%, rgba(27, 87, 201, 0.26) 0%, rgba(27, 87, 201, 0) 35%),
    linear-gradient(157deg, var(--bg) 0%, var(--bg-soft) 100%);
  min-height: 100vh;
}

.atmosphere {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(
      90deg,
      rgba(16, 26, 60, 0.06) 0,
      rgba(16, 26, 60, 0.06) 1px,
      transparent 1px,
      transparent 46px
    ),
    linear-gradient(180deg, rgba(16, 26, 60, 0.06), rgba(16, 26, 60, 0));
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0.25));
  z-index: -1;
}

.container {
  width: min(1080px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(6px);
  background: rgba(255, 255, 255, 0.8);
  border-bottom: 1px solid rgba(16, 26, 60, 0.12);
  z-index: 10;
}

.nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.45rem;
  background: linear-gradient(145deg, var(--accent) 0%, var(--accent-deep) 100%);
  color: #fefeff;
  font-family: "Space Grotesk", "Sora", sans-serif;
  font-weight: 700;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-text strong {
  font-size: 0.99rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.brand-text small {
  font-size: 0.73rem;
  color: var(--ink-muted);
}

.brand-tagline {
  font-size: 0.64rem;
  letter-spacing: 0.02em;
  opacity: 0.9;
}

.top-nav {
  display: flex;
  gap: 1.4rem;
}

.top-nav a {
  color: var(--ink-muted);
  text-decoration: none;
  font-weight: 600;
}

.top-nav a:hover,
.top-nav a:focus-visible {
  color: var(--ink);
}

.hero {
  padding: 6.2rem 0 3.2rem;
}

.eyebrow {
  margin: 0 0 1rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: var(--ink-muted);
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0;
}

h1,
h2 {
  font-family: "Space Grotesk", "Sora", sans-serif;
  letter-spacing: -0.01em;
  font-weight: 700;
}

h1 {
  font-size: clamp(2rem, 5vw, 4.1rem);
  max-width: 14ch;
  line-height: 1.03;
}

.lead {
  margin-top: 1rem;
  max-width: 48ch;
  color: var(--ink-muted);
  font-size: clamp(1rem, 2vw, 1.13rem);
  line-height: 1.58;
}

.signal-strip {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.signal-strip li {
  border: 1px solid rgba(16, 26, 60, 0.28);
  border-radius: 999px;
  padding: 0.28rem 0.72rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  background: rgba(255, 255, 255, 0.58);
}

.hero-actions {
  margin-top: 1.7rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 0.7rem 1.2rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(120deg, var(--accent) 0%, var(--accent-deep) 100%);
  color: #f8fffe;
  box-shadow: 0 10px 22px rgba(27, 87, 201, 0.26);
}

.button-ghost {
  color: var(--ink);
  border-color: rgba(16, 26, 60, 0.22);
  background: rgba(255, 255, 255, 0.62);
}

.section {
  padding: 2.85rem 0;
}

.section-heading h2 {
  margin-top: 0.45rem;
  font-size: clamp(1.4rem, 3vw, 2.45rem);
}

.cards {
  margin-top: 1.2rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.2rem;
  box-shadow: var(--shadow);
}

.card h3 {
  font-family: "Space Grotesk", "Sora", sans-serif;
  margin-bottom: 0.55rem;
  font-size: 1.25rem;
}

.card p {
  margin: 0;
  color: var(--ink-muted);
  line-height: 1.6;
}

.collab-list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.collab-list li {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  padding: 0.8rem 0.95rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.stub-grid {
  margin-top: 1rem;
  display: grid;
  gap: 0.85rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.stub-card {
  border: 1px dashed rgba(27, 87, 201, 0.45);
  border-radius: 0.9rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.72);
}

.stub-card h3 {
  margin-bottom: 0.25rem;
  font-size: 1.02rem;
}

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

.contact {
  text-align: left;
  padding-bottom: 4.1rem;
}

.contact p {
  max-width: 44ch;
  color: var(--ink-muted);
}

.email-guard {
  margin-top: 0.35rem;
  max-width: 30rem;
}

.guard-label {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 0.86rem;
  letter-spacing: 0.03em;
  color: var(--ink-muted);
}

.guard-row {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.guard-input {
  width: 8rem;
  border: 1px solid rgba(16, 26, 60, 0.24);
  border-radius: 0.65rem;
  padding: 0.68rem 0.7rem;
  font: inherit;
  font-weight: 600;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.84);
}

.guard-input:focus-visible {
  outline: 2px solid rgba(27, 87, 201, 0.45);
  outline-offset: 1px;
}

.guard-button {
  padding-inline: 1rem;
}

.guard-note {
  margin: 0.55rem 0 0;
  font-size: 0.84rem;
  color: var(--ink-muted);
}

.email-link {
  display: inline-flex;
  margin-top: 0.2rem;
}

.contact address {
  margin-top: 0.95rem;
  font-style: normal;
  line-height: 1.45;
  color: var(--ink-muted);
}

.site-footer {
  border-top: 1px solid rgba(16, 26, 60, 0.14);
  padding: 1.6rem 0 2.3rem;
  color: var(--ink-muted);
  font-size: 0.93rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  animation: fadeRise 0.9s ease forwards;
}

.hero.reveal { animation-delay: 0.05s; }
#services.reveal { animation-delay: 0.18s; }
#collaborators.reveal { animation-delay: 0.3s; }
#stubs.reveal { animation-delay: 0.42s; }
#contact.reveal { animation-delay: 0.54s; }

@keyframes fadeRise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 900px) {
  .cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 720px) {
  .site-header {
    position: static;
  }

  .nav-wrap {
    min-height: auto;
    padding: 0.9rem 0;
    align-items: flex-start;
    flex-direction: column;
    gap: 0.65rem;
  }

  .top-nav {
    gap: 1rem;
    flex-wrap: wrap;
  }

  .hero {
    padding-top: 2.7rem;
  }

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

  .guard-input {
    width: 100%;
    max-width: 11rem;
  }
}