:root {
  --ember: #ff5a36;
  --ember-dark: #d9431f;
  --sun: #ffb23f;
  --ink: #16181d;
  --ink-soft: #2a2d35;
  --paper: #fff8f3;
  --card: #ffffff;
  --muted: #6b707a;
  --line: #f0e4db;
  --radius: 22px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.6 "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", sans-serif;
}

a { color: var(--ember-dark); }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* Header */
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 20px; color: var(--ink); text-decoration: none;
}
.brand img { width: 36px; height: 36px; border-radius: 9px; }
.nav-links { display: flex; gap: 20px; font-size: 15px; }
.nav-links a { color: var(--ink-soft); text-decoration: none; font-weight: 600; }
.nav-links a:hover { color: var(--ember-dark); }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--sun), var(--ember) 55%, var(--ember-dark));
  color: #fff;
  border-radius: 32px;
  padding: 56px 56px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  align-items: center;
  gap: 32px;
  overflow: hidden;
}
.hero h1 {
  font-size: clamp(36px, 4.6vw, 54px);
  line-height: 1.05;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}
.hero p { font-size: 19px; margin: 0 0 28px; opacity: 0.95; max-width: 30em; }
.hero-shot { display: flex; justify-content: center; }
.hero-shot img {
  width: min(290px, 80%);
  height: auto;
  filter: drop-shadow(0 24px 40px rgba(0, 0, 0, 0.25));
  display: block;
}
.cta {
  display: inline-flex; flex-direction: column; align-items: flex-start; gap: 0;
  background: var(--ink); color: #fff; text-decoration: none;
  padding: 14px 22px; border-radius: 14px; font-weight: 700;
}
.cta small { display: block; font-weight: 500; font-size: 12px; opacity: 0.75; }
.cta:hover { background: #000; }
.hero .note { font-size: 14px; opacity: 0.85; margin-top: 14px; }

/* Sections */
section { padding: 72px 0 0; }
h2 { font-size: clamp(28px, 3.4vw, 38px); margin: 0 0 12px; letter-spacing: -0.01em; }
.lead { color: var(--muted); margin: 0 0 32px; max-width: 40em; }

.features {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
}
.feature {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 24px;
}
.feature .dot {
  width: 44px; height: 44px; border-radius: 14px;
  background: linear-gradient(135deg, var(--sun), var(--ember));
  display: grid; place-items: center; color: #fff; font-size: 22px;
  margin-bottom: 14px;
}
.feature h3 { margin: 0 0 6px; font-size: 19px; }
.feature p { margin: 0; color: var(--muted); font-size: 16px; }

.shots {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.shots { background: linear-gradient(135deg, #ffe7d6, #ffd6c7); border-radius: 28px; padding: 32px; }
.shots img { width: 100%; height: auto; display: block; filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.15)); }

.workouts {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
}
.workout {
  background: var(--card); border-radius: 16px; padding: 16px 18px;
  border: 1px solid var(--line); font-weight: 700;
}
.workout span { display: block; font-weight: 500; color: var(--muted); font-size: 15px; }

.langs { color: var(--muted); font-size: 16px; }

/* Docs (privacy, support) */
.doc {
  background: var(--card); border: 1px solid var(--line); border-radius: 28px;
  padding: 40px 44px; margin: 8px 0 0;
}
.doc h1 { font-size: clamp(30px, 4vw, 42px); margin: 0 0 6px; letter-spacing: -0.01em; }
.doc h2 { font-size: 22px; margin: 34px 0 8px; }
.doc .meta { color: var(--muted); margin: 0 0 24px; }
.doc ul { padding-left: 22px; }
.doc li { margin: 4px 0; }
.doc table { border-collapse: collapse; width: 100%; font-size: 15px; margin: 8px 0; }
.doc th, .doc td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
.doc th { background: var(--paper); }
.toc { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.toc a {
  font-size: 14px; font-weight: 700; text-decoration: none;
  background: var(--paper); padding: 6px 12px; border-radius: 999px; color: var(--ink-soft);
}
details { border-top: 1px solid var(--line); padding: 14px 0; }
details summary { font-weight: 700; cursor: pointer; }
details p { margin: 8px 0 0; color: var(--ink-soft); }

/* Footer */
footer {
  margin-top: 80px; padding: 28px 0 40px; border-top: 1px solid var(--line);
  color: var(--muted); font-size: 14px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
footer a { color: var(--muted); margin-right: 16px; }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; padding: 40px 24px; text-align: center; }
  .shots { padding: 20px; }
  .hero p { margin-left: auto; margin-right: auto; }
  .cta { align-items: center; }
  .features, .workouts { grid-template-columns: 1fr 1fr; }
  .shots { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .features, .workouts { grid-template-columns: 1fr; }
  .nav-links { gap: 14px; font-size: 14px; }
  .doc { padding: 28px 20px; }
}