:root {
  --sky-top: #bfe9ff;
  --sky-mid: #eaf6fb;
  --sky-bottom: #ffffff;
  --bg-alt: rgba(255, 255, 255, 0.65);
  --card: rgba(255, 255, 255, 0.45);
  --card-strong: rgba(255, 255, 255, 0.65);
  --border: rgba(255, 255, 255, 0.65);
  --border-blue: rgba(90, 160, 210, 0.35);
  --text: #0b3d5c;
  --text-dim: #4d7a94;
  --accent: #0090e0;
  --accent-2: #21d19f;
  --accent-dim: rgba(0, 144, 224, 0.12);
  --glass-shadow: 0 8px 28px rgba(31, 111, 235, 0.14), 0 1px 0 rgba(255, 255, 255, 0.9) inset;
  --max-width: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  min-height: 100vh;
  background:
    radial-gradient(circle at 12% 15%, rgba(255, 255, 255, 0.85) 0%, rgba(255, 255, 255, 0) 20%),
    radial-gradient(circle at 88% 8%, rgba(255, 255, 255, 0.7) 0%, rgba(255, 255, 255, 0) 16%),
    radial-gradient(circle at 78% 78%, rgba(33, 209, 159, 0.22) 0%, rgba(33, 209, 159, 0) 28%),
    radial-gradient(circle at 8% 85%, rgba(0, 144, 224, 0.18) 0%, rgba(0, 144, 224, 0) 30%),
    linear-gradient(180deg, var(--sky-top) 0%, var(--sky-mid) 45%, var(--sky-bottom) 100%);
  background-attachment: fixed;
  background-repeat: no-repeat;
}

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

img { max-width: 100%; display: block; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header.site {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: 0 4px 20px rgba(31, 111, 235, 0.08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: #0a6fb5;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.8);
}

.logo span { color: inherit; }

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-dim);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.15s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
}

@media (max-width: 720px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(18px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.7);
    flex-direction: column;
    gap: 0;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links li { border-top: 1px solid rgba(120, 180, 220, 0.2); }
  .nav-links a { display: block; padding: 16px 24px; }
  .nav-toggle { display: block; }
}

/* Hero */
.hero {
  padding: 100px 24px 80px;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  color: var(--accent-2);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero-mark {
  display: block;
  font-family: "Archivo Black", "Arial Black", -apple-system, sans-serif;
  font-weight: 400;
  text-transform: uppercase;
  font-size: clamp(3.5rem, 14vw, 9rem);
  line-height: 0.9;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
  background: linear-gradient(180deg, #ecfff8 0%, #4be3ae 35%, #0f9d75 75%, #0b7a5c 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 6px 18px rgba(15, 157, 117, 0.35));
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0 0 20px;
  color: #08334d;
}

.hero p.lead {
  color: var(--text-dim);
  font-size: 1.15rem;
  max-width: 620px;
  margin: 0 auto 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(180deg, #7fe0ff 0%, #1e9bf0 55%, #0072d6 100%);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: 0 6px 16px rgba(0, 114, 214, 0.4), 0 1px 0 rgba(255, 255, 255, 0.8) inset;
}

.btn-primary::before {
  content: "";
  position: absolute;
  top: 1px;
  left: 6%;
  right: 6%;
  height: 46%;
  border-radius: 999px 999px 50% 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.75), rgba(255, 255, 255, 0));
  pointer-events: none;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(0, 114, 214, 0.5), 0 1px 0 rgba(255, 255, 255, 0.8) inset;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.8);
  color: #0a6fb5;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.9) inset, 0 4px 12px rgba(31, 111, 235, 0.1);
  backdrop-filter: blur(6px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.8);
  transform: translateY(-1px);
}

/* Sections */
section { padding: 64px 24px; }

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  color: #08334d;
}

.section-head p { color: var(--text-dim); margin: 0; }

/* Cards / grid */
.grid { display: grid; gap: 24px; max-width: var(--max-width); margin: 0 auto; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

@media (max-width: 860px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

.card {
  background: linear-gradient(180deg, var(--card-strong), var(--card));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 32px;
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  box-shadow: var(--glass-shadow);
}

.card h3 { margin: 0 0 10px; font-size: 1.15rem; font-weight: 700; color: #08334d; }
.card p { color: var(--text-dim); margin: 0; font-size: 0.95rem; }

/* App showcase card */
.app-card {
  background: linear-gradient(180deg, var(--card-strong), var(--card));
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 40px;
  display: flex;
  gap: 32px;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  box-shadow: var(--glass-shadow);
}

.app-card .icon {
  flex-shrink: 0;
  width: 88px;
  height: 88px;
  border-radius: 26px;
  background: radial-gradient(circle at 32% 28%, #f0fdff 0%, #5fd8ff 42%, #0072d6 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.6rem;
  color: #fff;
  box-shadow:
    0 8px 18px rgba(0, 114, 214, 0.4),
    inset 0 -8px 12px rgba(0, 60, 120, 0.25),
    inset 0 8px 10px rgba(255, 255, 255, 0.75);
}

.app-card h3 { font-size: 1.4rem; margin: 0 0 8px; color: #08334d; }
.app-card p { color: var(--text-dim); margin: 0 0 16px; }

.badge {
  display: inline-block;
  background: rgba(33, 209, 159, 0.16);
  color: #0f9d75;
  border: 1px solid rgba(33, 209, 159, 0.35);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}

@media (max-width: 620px) {
  .app-card { flex-direction: column; text-align: center; }
}

.coming-soon-card {
  border: 1px dashed var(--border-blue);
  background: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 40px;
  text-align: center;
  color: var(--text-dim);
  max-width: var(--max-width);
  margin: 24px auto 0;
}

/* Contact form */
.form {
  max-width: 560px;
  margin: 0 auto;
}

.field { margin-bottom: 20px; }

.field label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-dim);
}

.field input,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border-blue);
  background: rgba(255, 255, 255, 0.55);
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  box-shadow: inset 0 2px 5px rgba(31, 111, 235, 0.08);
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: inset 0 2px 5px rgba(31, 111, 235, 0.08), 0 0 0 3px rgba(0, 144, 224, 0.18);
}

.field textarea { resize: vertical; min-height: 140px; }

.form-note {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 12px;
}

.form-note a { color: var(--accent); font-weight: 600; }

/* Footer */
footer.site {
  border-top: 1px solid rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(12px);
  padding: 40px 24px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.9rem;
}

footer.site a { color: var(--text-dim); }
footer.site a:hover { color: var(--accent); }

.footer-links {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
