:root {
  color-scheme: light;

  --bg: #EAF6FF;
  --surface: rgba(255, 255, 255, 0.86);
  --text: #082033;
  --muted: #3C5A6E;
  --accent: #33B6FF;
  --accent-2: #7CD9FF;
  --border: rgba(51, 182, 255, 0.28);
  --shadow: 0 22px 55px rgba(8, 32, 51, 0.14);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: "Inter","Segoe UI",system-ui,sans-serif;
  background:
    radial-gradient(circle at top right, rgba(51,182,255,0.18), transparent 48%),
    radial-gradient(circle at 18% 22%, rgba(124,217,255,0.22), transparent 44%),
    var(--bg);
  color: var(--text);
}

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

.shell {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

/* HEADER */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 28px 0 10px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 650;
  letter-spacing: 0.02em;
}

.logo-mark {
  width: 44px;
  height: 44px;
  object-fit: cover;
  border-radius: 10px;
}

nav {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

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

/* HERO */
.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px,1fr));
  gap: 32px;
  padding: 60px 0 40px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.2rem, 3.4vw, 3.6rem);
  margin-bottom: 18px;
}

.hero p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.6;
  margin-bottom: 26px;
}

.cta-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* BUTTONS */
.btn {
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-weight: 650;
  color: var(--text);
  transition: transform .2s ease, box-shadow .2s ease, border .2s ease;
  box-shadow: var(--shadow);
}

.btn:hover {
  transform: translateY(-2px);
  border-color: rgba(51,182,255,.55);
  box-shadow: 0 26px 70px rgba(8,32,51,.18);
}

.btn.primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #04131f;
  border: none;
}

/* IMAGES */
.hero-visual {
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
}

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

/* PANELS */
.panel {
  background: var(--surface);
  border-radius: 24px;
  border: 1px solid var(--border);
  padding: 24px;
  box-shadow: var(--shadow);
}

/* STATS */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px,1fr));
  gap: 18px;
  margin-top: 28px;
}

.stat strong {
  font-size: 1.4rem;
  display: block;
  margin-bottom: 6px;
}

/* SECTION TITLES */
.section-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 50px 0 20px;
}

.section-title h2 {
  font-size: clamp(1.6rem, 2.4vw, 2.2rem);
}

.section-title span {
  color: var(--muted);
}

/* GRID */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px,1fr));
  gap: 18px;
}

.feature-card h3 {
  font-size: 1.2rem;
}

.feature-card p {
  color: var(--muted);
  line-height: 1.5;
}

/* IMAGE CARDS */
.image-tile {
  height: 280px;
  overflow: hidden;
  border-radius: 12px;
}

.image-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* TIMELINE */
.timeline {
  display: grid;
  gap: 16px;
}

.timeline-item {
  display: flex;
  gap: 16px;
}

.timeline-index {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(160deg, rgba(51,182,255,0.22), rgba(124,217,255,0.28));
  display: grid;
  place-items: center;
  font-weight: 750;
  border: 1px solid var(--border);
}

/* CONTACT */
.cta-banner {
  margin-top: 50px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px,1fr));
  gap: 18px;
}

.contact-form {
  display: grid;
  gap: 12px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.92);
}

textarea { min-height: 120px; }

/* FOOTER */
footer {
  margin-top: 70px;
  padding-top: 26px;
  border-top: 1px solid rgba(51,182,255,0.22);
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  color: var(--muted);
}