:root {
  --bg: #fffaf0;
  --card: #ffffff;
  --ink: #1b2733;
  --soft: #5a6b7b;
  --brand: #0b7a6e;
  --sun: #ffb020;
  --sun-light: #ffe27a;
  --line: #f0e3c4;
  --motion: #4c97ff;
  --control: #ff8c1a;
  --events: #ffbf00;
  --vars: #ff6680;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14181d;
    --card: #1d232a;
    --ink: #eef2f5;
    --soft: #a9b6c2;
    --brand: #4cc9b8;
    --line: #2c343d;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 "Hind Siliguri", "Hind", system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: var(--brand); }
img { max-width: 100%; height: auto; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }

header.top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 14px 0;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 700; font-size: 20px; }
.brand img { width: 40px; height: 40px; border-radius: 10px; }
nav a { margin-left: 16px; text-decoration: none; font-weight: 600; }

.hero {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 32px; align-items: center;
  padding: 32px 0 48px;
}
.hero h1 { font-size: clamp(32px, 5vw, 52px); line-height: 1.12; margin: 0 0 14px; }
.hero p.lead { font-size: 19px; color: var(--soft); margin: 0 0 22px; }
.hero .art {
  background: linear-gradient(180deg, var(--sun-light), var(--sun));
  border-radius: 28px; padding: 24px; text-align: center;
}
.hero .art img { width: 70%; max-width: 280px; border-radius: 24px; }
.badge {
  display: inline-block; padding: 12px 20px; border-radius: 14px;
  background: var(--ink); color: var(--bg); font-weight: 700; text-decoration: none;
}
.note { font-size: 14px; color: var(--soft); margin-top: 10px; }

.blocks { display: flex; flex-direction: column; gap: 4px; margin: 18px 0; }
.blk {
  align-self: flex-start; padding: 6px 14px; border-radius: 9px;
  color: #101820; font-weight: 600; font-size: 15px;
}
.blk.e { background: var(--events); }
.blk.c { background: var(--control); }
.blk.m { background: var(--motion); margin-left: 22px; }

section { padding: 28px 0; }
section h2 { font-size: clamp(24px, 3.4vw, 32px); margin: 0 0 14px; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 18px;
}
.card h3 { margin: 0 0 6px; font-size: 19px; }
.card p { margin: 0; color: var(--soft); }
.shots { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.shots figure { margin: 0; }
.shots img { border-radius: 16px; border: 1px solid var(--line); display: block; }
.shots figcaption { font-size: 14px; color: var(--soft); margin-top: 6px; }
ul.ticks { padding-left: 20px; }
ul.ticks li { margin: 4px 0; }
details { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 12px 16px; margin: 10px 0; }
summary { font-weight: 700; cursor: pointer; }

.doc { max-width: 760px; padding: 24px 0 48px; }
.doc h1 { font-size: clamp(28px, 4vw, 40px); margin: 8px 0 4px; }
.doc h2 { font-size: 22px; margin: 28px 0 8px; }

footer {
  border-top: 1px solid var(--line); margin-top: 24px; padding: 22px 0 36px;
  color: var(--soft); font-size: 15px;
}
footer a { margin-right: 14px; }

@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; padding-top: 12px; }
  .hero .art { order: -1; }
  .grid { grid-template-columns: 1fr; }
  .shots { grid-template-columns: repeat(2, 1fr); }
  nav a { margin-left: 12px; }
}