:root {
  color-scheme: dark;
  --bg: #0f172a;
  --surface: #11192f;
  --surface-alt: #17203e;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-strong: #0284c7;
  --border: rgba(148, 163, 184, 0.2);
  --radius: 24px;
  --shadow: 0 30px 60px rgba(0, 0, 0, 0.22);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    Inter,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  background:
    radial-gradient(circle at top, rgba(56, 189, 248, 0.08), transparent 30%),
    var(--bg);
  color: var(--text);
  line-height: 1.7;
}

img {
  max-width: 100%;
}

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

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(15, 23, 42, 0.92);
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

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

.brand a {
  font-size: 1.1rem;
  font-weight: 700;
}

.site-nav {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--muted);
  transition: color 0.2s ease;
}

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

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  gap: 6px;
  flex-direction: column;
  justify-content: center;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  display: block;
}

.hero,
.about-hero {
  padding: 4rem 0;
}

.hero-grid,
.contact-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.hero-copy h1,
.about-copy h1 {
  font-size: clamp(2.5rem, 4vw, 4rem);
  margin: 0.5rem 0 1rem;
}

.eyebrow {
  display: inline-flex;
  margin-bottom: 0.75rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
}

.hero-copy p,
.about-copy p,
.section-text,
.contact-copy p,
.card p {
  color: var(--muted);
}

.hero-actions,
.button-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.95rem 1.6rem;
  border: 1px solid transparent;
  transition:
    transform 0.2s ease,
    background 0.2s ease,
    color 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: var(--accent);
  color: #0f172a;
}

.button.secondary {
  background: transparent;
  color: var(--text);
  border-color: rgba(148, 163, 184, 0.24);
}

.section {
  padding: 4rem 0;
}

.dark-section {
  background: rgba(15, 23, 42, 0.92);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 2rem;
}

.section-heading span {
  color: var(--accent);
}

.section-heading h2 {
  font-size: clamp(2rem, 3vw, 2.8rem);
  margin: 0.5rem 0 0;
}

.service-grid,
.stats-grid,
.team-grid {
  display: grid;
  gap: 1.5rem;
}

.service-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.service-card h3,
.team-card h3 {
  margin-top: 0;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.portfolio-preview {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: center center;
  border-radius: 20px 20px 0 0;
  display: block;
}

.portfolio-card {
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr;
}

.portfolio-info {
  padding: 1.75rem;
  display: grid;
  gap: 0.85rem;
}

.portfolio-label {
  display: inline-flex;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.75rem;
}

.portfolio-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.92rem;
  margin-top: 0.25rem;
}

.portfolio-meta span {
  background: rgba(148, 163, 184, 0.1);
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
}

.portfolio-actions {
  margin-top: 1rem;
}

.feature-card {
  padding: 2rem;
  border-radius: var(--radius);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.2);
}

.feature-card ul {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
}

.feature-card li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.8rem;
}

.feature-card li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.split-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

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

.stat-card {
  background: var(--surface-alt);
  border: 1px solid rgba(148, 163, 184, 0.1);
  padding: 1.75rem;
  border-radius: var(--radius);
  text-align: center;
}

.stat-card strong {
  display: block;
  font-size: 2rem;
  color: var(--text);
}

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

.contact-copy {
  display: grid;
  gap: 1rem;
}

.contact-details p {
  margin: 0.75rem 0 0;
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.contact-form label {
  display: grid;
  gap: 0.5rem;
  color: var(--text);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  padding: 1rem;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(56, 189, 248, 0.35);
  outline-offset: 2px;
}

.form-note {
  color: var(--accent);
  min-height: 1.4em;
}

.team-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.team-card {
  display: grid;
  gap: 1rem;
}

.avatar {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent);
  font-weight: 700;
}

.contact-cta {
  padding: 4rem 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 0;
  color: var(--muted);
}

.footer-nav {
  display: flex;
  gap: 1rem;
}

.site-footer {
  border-top: 1px solid rgba(148, 163, 184, 0.12);
}

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

  .stats-grid,
  .service-grid,
  .team-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .header-inner {
    flex-wrap: wrap;
  }

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

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    display: none;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
    padding-top: 1rem;
  }

  .site-nav.active {
    display: flex;
  }

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