/* Komoshun — sky / aviation aesthetic.
   Palette derived from the logo: deep navy #1f2a44 + bright green #22c55e
   accent, warmed with soft sky blues and off-white surfaces. */

:root {
  --navy:    #1f2a44;
  --navy-2:  #2b3858;
  --ink:     #0f172a;
  --green:   #22c55e;
  --green-2: #16a34a;
  --sky-1:   #f0f9ff;   /* very pale sky */
  --sky-2:   #e0f2fe;   /* card surface */
  --sky-3:   #bae6fd;   /* accent surface */
  --cloud:   #ffffff;
  --mist:    #f8fafc;
  --muted:   #64748b;
  --line:    #e2e8f0;
  --shadow:  0 1px 2px rgba(15,23,42,.04), 0 8px 24px rgba(15,23,42,.06);
  --radius:  12px;
  --maxw:    1120px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI",
               Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  line-height: 1.55;
  background: var(--cloud);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--navy); text-decoration: none; }
a:hover { color: var(--green-2); }

/* ──────────────────────────────── Layout ───────────────────────────── */
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ──────────────────────────────── Header ───────────────────────────── */
.site-header {
  background: var(--cloud);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: saturate(150%) blur(8px);
}
.site-header .bar {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.site-header .brand { display: flex; align-items: center; gap: 14px; }
.site-header .brand img { height: 42px; width: auto; display: block; }
.site-header nav { display: flex; gap: 4px; }
.site-header nav a {
  padding: 8px 14px; border-radius: 999px; font-weight: 500;
  font-size: .95rem; color: var(--navy-2);
}
.site-header nav a:hover { background: var(--sky-1); color: var(--navy); }
.site-header nav a.active { background: var(--navy); color: var(--cloud); }
.site-header nav a.cta {
  background: var(--green); color: var(--cloud); padding: 8px 18px;
}
.site-header nav a.cta:hover { background: var(--green-2); color: var(--cloud); }

/* ──────────────────────────────── Hero ────────────────────────────── */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, var(--sky-1) 0%, var(--cloud) 100%);
  padding: 84px 0 72px;
}
.hero::before {
  /* Subtle horizon line — a cloud-layer suggestion */
  content: ""; position: absolute; left: 0; right: 0; top: 60%;
  height: 2px;
  background: linear-gradient(90deg,
    transparent 0%, rgba(34,197,94,.25) 30%, rgba(34,197,94,.25) 70%, transparent 100%);
}
.hero::after {
  /* Soft green "trajectory" arc nodding to the logo arrow */
  content: ""; position: absolute; right: -120px; top: -80px;
  width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%,
    rgba(34,197,94,.12) 0%, rgba(34,197,94,0) 65%);
  pointer-events: none;
}
.hero h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  margin: 0 0 .6em; color: var(--navy); font-weight: 700;
  letter-spacing: -.02em; line-height: 1.08;
  max-width: 900px;
}
.hero h1 .highlight { color: var(--green-2); }
.hero p.lede {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  color: var(--navy-2); max-width: 720px; margin: 0 0 28px;
}
.hero .cta-row { display: flex; gap: 12px; flex-wrap: wrap; }

/* Buttons */
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 8px;
  font-weight: 600; font-size: .98rem; letter-spacing: .01em;
  border: 1px solid transparent; cursor: pointer; transition: transform .08s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--navy); color: var(--cloud); }
.btn-primary:hover { background: var(--ink); color: var(--cloud); }
.btn-accent { background: var(--green); color: var(--cloud); }
.btn-accent:hover { background: var(--green-2); color: var(--cloud); }
.btn-ghost { background: transparent; border-color: var(--navy); color: var(--navy); }
.btn-ghost:hover { background: var(--navy); color: var(--cloud); }

/* ──────────────────────────────── Sections ─────────────────────────── */
section { padding: 72px 0; }
section.alt { background: var(--mist); }
section h2 {
  font-size: clamp(1.6rem, 2.4vw, 2.1rem);
  color: var(--navy); margin: 0 0 16px; letter-spacing: -.01em;
}
section .eyebrow {
  text-transform: uppercase; font-size: .8rem; letter-spacing: .15em;
  color: var(--green-2); font-weight: 600; margin-bottom: 8px; display: block;
}
section p.intro { font-size: 1.08rem; color: var(--navy-2); max-width: 780px; margin: 0 0 36px; }

/* Three-column grid */
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 860px) { .grid3 { grid-template-columns: 1fr; } }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 860px) { .grid2 { grid-template-columns: 1fr; } }

/* Cards */
.card {
  background: var(--cloud); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px;
  box-shadow: var(--shadow); transition: transform .12s ease, box-shadow .12s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 2px 4px rgba(15,23,42,.04), 0 12px 32px rgba(15,23,42,.08); }
.card .icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 10px;
  background: var(--sky-2); color: var(--navy); margin-bottom: 16px;
  font-size: 20px;
}
.card h3 { margin: 0 0 10px; font-size: 1.15rem; color: var(--navy); }
.card p { margin: 0; color: var(--navy-2); font-size: .98rem; }

/* Service list (platform page) */
.service-row {
  display: grid; grid-template-columns: 80px 1fr; gap: 24px;
  padding: 28px 0; border-bottom: 1px solid var(--line);
}
.service-row:last-child { border-bottom: none; }
.service-row .num {
  font-family: "SF Mono", Menlo, Consolas, monospace;
  font-size: 1.6rem; color: var(--green); font-weight: 700;
}
.service-row h3 { margin: 0 0 10px; color: var(--navy); font-size: 1.25rem; }
.service-row p { margin: 0 0 10px; color: var(--navy-2); }
.service-row .tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.service-row .tag {
  background: var(--sky-2); color: var(--navy); font-size: .8rem;
  padding: 4px 12px; border-radius: 999px; font-weight: 500;
}

/* Callout strip */
.callout {
  background: var(--navy); color: var(--cloud);
  padding: 48px 0; position: relative; overflow: hidden;
}
.callout::before {
  content: ""; position: absolute; right: -80px; bottom: -80px;
  width: 360px; height: 360px; border-radius: 50%;
  background: radial-gradient(circle, rgba(34,197,94,.18) 0%, rgba(34,197,94,0) 70%);
}
.callout h2 { color: var(--cloud); margin-bottom: 12px; }
.callout p { color: rgba(255,255,255,.8); max-width: 640px; margin: 0 0 24px; }

/* ──────────────────────────────── Footer ───────────────────────────── */
.site-footer {
  background: var(--mist); border-top: 1px solid var(--line);
  padding: 36px 0 28px; color: var(--muted); font-size: .92rem;
}
.site-footer .row { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.site-footer a { color: var(--navy-2); }
.site-footer a:hover { color: var(--green-2); }
.site-footer .legal { font-size: .85rem; }

/* ──────────────────────────────── Generic utilities ────────────────── */
.eyebrow-inline {
  text-transform: uppercase; letter-spacing: .15em; font-size: .78rem;
  font-weight: 600; color: var(--green-2);
}
hr.soft { border: 0; border-top: 1px solid var(--line); margin: 48px 0; }
.text-muted { color: var(--muted); }
.text-center { text-align: center; }