/* Kelvara site — style v2 of the game: dark space, glass panels, neon accent. Mobile-first, works from 360 px. */
:root {
  --bg: #0B0E1A;
  --bg-top: #1A1040;
  --panel: #161B2E;
  --panel-top: #1F2640;
  --line: #2A3354;
  --ink: #E8ECF8;
  --muted: #8C95B0;
  --accent: #5BC0EB;
  --accent-deep: #2E86B5;
  --gold: #F2C94C;
  --flame: #FF8A3D;
  --radius: 14px;
  --gutter: 16px;
}

* { box-sizing: border-box; }

html { background: var(--bg); }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font: 16px/1.6 "Inter", -apple-system, "Segoe UI", Roboto, sans-serif;
  background:
    radial-gradient(ellipse 80% 50% at 70% 0%, rgba(155, 81, 224, 0.22), transparent 70%),
    radial-gradient(ellipse 60% 40% at 0% 30%, rgba(91, 192, 235, 0.10), transparent 70%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg) 55%);
  background-attachment: fixed;
  overflow-x: hidden;
}

/* faint stars */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(1px 1px at 12% 18%, rgba(255,255,255,.7), transparent 60%),
    radial-gradient(1px 1px at 78% 12%, rgba(255,255,255,.6), transparent 60%),
    radial-gradient(1.5px 1.5px at 42% 64%, rgba(255,255,255,.5), transparent 60%),
    radial-gradient(1px 1px at 88% 52%, rgba(255,255,255,.6), transparent 60%),
    radial-gradient(1px 1px at 22% 82%, rgba(255,255,255,.5), transparent 60%),
    radial-gradient(1.5px 1.5px at 62% 32%, rgba(255,255,255,.45), transparent 60%),
    radial-gradient(1px 1px at 5% 48%, rgba(255,255,255,.5), transparent 60%),
    radial-gradient(1px 1px at 95% 88%, rgba(255,255,255,.5), transparent 60%);
  background-size: 420px 420px;
  opacity: .8;
  z-index: -1;
}

img { max-width: 100%; height: auto; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, .brand, .btn { font-family: "Exo 2", "Inter", sans-serif; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- header ---------- */
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 0;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 800; font-size: 18px; letter-spacing: .02em; }
.brand:hover { text-decoration: none; }
.brand img { width: 36px; height: 36px; border-radius: 9px; box-shadow: 0 0 14px rgba(91,192,235,.35); }
.top nav { display: flex; gap: 16px; font-size: 14px; }
.top nav a { color: var(--muted); }
.top nav a:hover { color: var(--ink); }

/* ---------- hero ---------- */
.hero { display: grid; gap: 28px; padding: 24px 0 40px; align-items: center; }
.hero-text { text-align: center; }
.hero-icon {
  width: 112px; height: 112px; border-radius: 26px;
  box-shadow: 0 0 0 1px rgba(91,192,235,.35), 0 10px 40px rgba(91,192,235,.25), 0 0 60px rgba(255,138,61,.15);
}
.hero h1 {
  margin: 18px 0 6px;
  font-size: clamp(34px, 9vw, 60px);
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: .01em;
  text-shadow: 0 0 24px rgba(91,192,235,.45);
}
.tagline {
  margin: 0 0 18px;
  color: var(--accent);
  font-family: "Exo 2", sans-serif;
  font-weight: 700;
  letter-spacing: .32em;
  font-size: 13px;
  text-transform: uppercase;
}
.pitch { margin: 0 auto 26px; max-width: 520px; color: #C7CDE0; font-size: 17px; }
.hero-art img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: 0 20px 60px rgba(0,0,0,.45), 0 0 40px rgba(155,81,224,.18);
  display: block;
}

/* ---------- buttons ---------- */
.cta { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 26px; border-radius: 14px;
  font-weight: 800; font-size: 17px; letter-spacing: .02em;
  color: #0B0E1A;
  background: linear-gradient(180deg, var(--accent), var(--accent-deep));
  box-shadow: 0 0 24px rgba(91,192,235,.35), inset 0 1px 0 rgba(255,255,255,.35);
  border: 0;
}
.btn svg { width: 22px; height: 22px; }
.btn[aria-disabled="true"] {
  cursor: default;
  color: var(--muted);
  background: linear-gradient(180deg, var(--panel-top), var(--panel));
  border: 1px solid var(--line);
  box-shadow: none;
}
.btn[aria-disabled="true"]:hover { text-decoration: none; }
.note { color: var(--muted); font-size: 13px; }

/* ---------- sections ---------- */
section.block { padding: 40px 0; }
.block h2 { font-size: clamp(24px, 6vw, 32px); margin: 0 0 8px; font-weight: 800; }
.block .lead { color: var(--muted); margin: 0 0 24px; }

.features { display: grid; gap: 14px; grid-template-columns: 1fr; }
.card {
  background: linear-gradient(180deg, var(--panel-top), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  position: relative;
}
.card::after {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; pointer-events: none;
  box-shadow: 0 0 0 1px rgba(91,192,235,.0);
  transition: box-shadow .2s;
}
.card:hover::after { box-shadow: 0 0 0 1px rgba(91,192,235,.45), 0 0 24px rgba(91,192,235,.15); }
.card .ico {
  width: 46px; height: 46px; border-radius: 12px;
  display: grid; place-items: center;
  background: rgba(91,192,235,.10); border: 1px solid rgba(91,192,235,.35);
  margin-bottom: 12px;
}
.card .ico svg { width: 24px; height: 24px; stroke: var(--accent); }
.card.gold .ico { background: rgba(242,201,76,.10); border-color: rgba(242,201,76,.45); }
.card.gold .ico svg { stroke: var(--gold); }
.card h3 { margin: 0 0 4px; font-size: 19px; font-weight: 800; }
.card p { margin: 0; color: #B8C0D6; font-size: 15px; }
.num { color: var(--accent); font-family: "Exo 2", sans-serif; font-weight: 800; }

/* screenshots: horizontal scroll on phones, grid on desktop */
.shots {
  display: grid; grid-auto-flow: column; grid-auto-columns: 62%;
  gap: 14px; overflow-x: auto; scroll-snap-type: x mandatory;
  padding-bottom: 8px; margin: 0 calc(var(--gutter) * -1); padding-left: var(--gutter); padding-right: var(--gutter);
  scrollbar-width: none;
}
.shots::-webkit-scrollbar { display: none; }
.shot { scroll-snap-align: start; margin: 0; }
.shot img {
  width: 100%; display: block; border-radius: 18px;
  border: 1px solid var(--line);
  box-shadow: 0 14px 40px rgba(0,0,0,.5);
  aspect-ratio: 1320 / 2758; object-fit: cover; background: var(--panel);
}
.shot figcaption { color: var(--muted); font-size: 13px; text-align: center; margin-top: 8px; }

/* ---------- footer ---------- */
footer.site {
  border-top: 1px solid var(--line);
  margin-top: 40px; padding: 28px 0 40px;
  color: var(--muted); font-size: 14px;
  display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; align-items: center;
}
footer.site nav { display: flex; gap: 20px; }

/* ---------- document pages (privacy, support) ---------- */
.doc { max-width: 760px; margin: 0 auto; padding: 8px 0 24px; }
.doc h1 { font-size: clamp(30px, 8vw, 42px); font-weight: 900; margin: 16px 0 4px; text-shadow: 0 0 20px rgba(91,192,235,.35); }
.doc .sub { color: var(--muted); margin: 0 0 24px; }
.doc section {
  background: linear-gradient(180deg, var(--panel-top), var(--panel));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px; margin: 14px 0;
}
.doc section h2 { font-size: 19px; margin: 0 0 6px; font-weight: 800; color: var(--ink); }
.doc section p { margin: 8px 0 0; color: #C7CDE0; }
.doc section p:first-of-type { margin-top: 0; }
.mail {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 14px; border-radius: 10px;
  background: rgba(91,192,235,.10); border: 1px solid rgba(91,192,235,.35);
  font-weight: 600;
}

/* ---------- larger screens ---------- */
@media (min-width: 720px) {
  .features { grid-template-columns: 1fr 1fr; }
  .shots { grid-auto-flow: row; grid-auto-columns: auto; grid-template-columns: repeat(4, 1fr); overflow: visible; margin: 0; padding: 0; }
}
@media (min-width: 960px) {
  .hero { grid-template-columns: 1fr 1.15fr; gap: 48px; padding: 48px 0 56px; }
  .hero-text { text-align: left; }
  .pitch { margin-left: 0; }
  .cta { align-items: flex-start; }
  .features { grid-template-columns: repeat(4, 1fr); }
}