:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --text: #1f232b;
  --muted: #525a67;
  --accent: #1447b8;
  --accent-2: #0f2f7a;
  --border: #dde3ef;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

img {
  width: 100%;
  display: block;
  border-radius: 0.75rem;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.section {
  padding: 5rem 0;
}

.section-alt {
  background: #eef2f8;
}

.site-header {
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 10;
  background: rgba(12, 17, 29, 0.75);
  backdrop-filter: blur(10px);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand-logo {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
}

.brand-logo-uploaded {
  display: block;
  object-fit: contain;
  border-radius: 0.45rem;
  background: rgba(255, 255, 255, 0.14);
  padding: 0.15rem;
}

.brand-text {
  line-height: 1;
}

.nav-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.btn {
  border: 0;
  display: inline-block;
  text-decoration: none;
  background: var(--accent);
  color: #fff;
  padding: 0.8rem 1.2rem;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
}

.btn:hover {
  background: var(--accent-2);
}

.btn-outline {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.hero {
  min-height: 90vh;
  display: grid;
  align-items: center;
  position: relative;
  background: url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?auto=format&fit=crop&w=2000&q=80') center/cover no-repeat;
  color: #fff;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 15, 27, 0.78), rgba(10, 15, 27, 0.45));
}

.hero-content {
  position: relative;
  margin-top: 3rem;
  max-width: 720px;
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin: 0 0 1rem;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.8rem);
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.5rem);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 700;
}

.hero .eyebrow {
  color: #9fc2ff;
}

.grid.two {
  display: grid;
  gap: 1.5rem;
}

.stats-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.5rem;
  border-radius: 1rem;
  box-shadow: 0 8px 30px rgba(20, 41, 84, 0.08);
}

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

.stat {
  display: block;
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--accent);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.9rem;
}

.cards article,
.project,
.process-list li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  padding: 1rem;
}

.cards h3 {
  margin: 0;
  font-size: 1rem;
}

.cards p {
  margin: 0.5rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.feature-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.8rem;
  padding: 0;
  margin: 0;
}

.feature-list li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  padding: 1rem;
}

.project-filters {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.chip {
  border: 1px solid var(--border);
  background: #fff;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  cursor: pointer;
}

.chip.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

.project {
  padding: 0.8rem;
}

.process-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.process-list span {
  color: var(--muted);
  display: block;
  margin-top: 0.35rem;
}

.quotes {
  display: grid;
  gap: 0.8rem;
}

blockquote {
  margin: 0;
  padding: 1.2rem;
  border-left: 4px solid var(--accent);
  background: #fff;
  border-radius: 0.5rem;
}

blockquote footer {
  margin-top: 0.75rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.cta {
  text-align: center;
}

.contact-form {
  display: grid;
  gap: 0.7rem;
  max-width: 640px;
  margin: 0 auto;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 0.7rem;
  padding: 0.8rem;
  font: inherit;
}

.form-message {
  margin-top: 0.75rem;
  min-height: 1.5rem;
  color: var(--accent-2);
  font-weight: 600;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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

@media (min-width: 800px) {
  .grid.two {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }
}

@media (max-width: 620px) {
  .btn-outline {
    padding: 0.65rem 0.95rem;
    font-size: 0.86rem;
  }
}