/* Style: Stenciled steel drum (cobalt-blue painted steel drum with rolling hoops, white spray stencil type, overspray, steel plate cards, Allerta Stencil + Be Vietnam Pro) */
:root {
  --cobalt: #123a6b;
  --cobalt-2: #1c5296;
  --cobalt-3: #0b2647;
  --steel: #d9dde2;
  --steel-2: #b8bfc8;
  --spray: #f4f6f8;
  --orange: #ff6a13;
  --white: #fff;
  --paper: #f1f3f6;
  --ink: #0f1a2a;
  --muted: #4a5566;
  --line: #d3d9e1;
  --stencil: "Allerta Stencil", "Courier New", monospace;
  --body: "Be Vietnam Pro", system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--body);
  font-size: 1.02rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
}

a { color: var(--cobalt-2); text-underline-offset: 3px; }

a:focus-visible, .btn:focus-visible, summary:focus-visible, .top__cta:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

.wrap { width: min(1080px, 100% - 32px); margin-inline: auto; }

.vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.skip {
  position: absolute;
  left: -999px;
  top: 8px;
  padding: 8px 12px;
  background: var(--orange);
  color: var(--ink);
  z-index: 10;
}

.skip:focus { left: 8px; }

/* Top */
.top { background: var(--cobalt-3); }

.top__inner { display: flex; justify-content: space-between; align-items: center; min-height: 56px; gap: 12px; }

.top__brand { font-family: var(--stencil); font-size: 1.15rem; color: var(--white); text-decoration: none; white-space: nowrap; letter-spacing: .04em; }

.top__cta { background: var(--orange); color: var(--ink); padding: 5px 14px; border-radius: 4px; font-weight: 600; text-decoration: none; white-space: nowrap; }

/* Hero */
.hero {
  background:
    radial-gradient(60% 80% at 80% 40%, rgba(255, 255, 255, .08), transparent 70%),
    var(--cobalt);
  color: var(--white);
  padding: 48px 0 56px;
}

.hero__grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 32px; align-items: center; }

.kicker { margin: 0 0 10px; font-family: var(--stencil); font-size: .95rem; letter-spacing: .06em; color: #ffb58a; }

h1 { font-family: var(--stencil); font-weight: 400; font-size: clamp(2.2rem, 7.2vw, 4.2rem); line-height: 1.02; margin: 0 0 18px; text-transform: uppercase; text-shadow: 0 0 10px rgba(255, 255, 255, .25); }

.lede { color: #d2ddea; max-width: 60ch; margin: 0 0 26px; }

.actions { display: flex; flex-wrap: wrap; gap: 12px; }

.btn {
  display: inline-block;
  padding: 12px 24px;
  background: var(--orange);
  color: var(--ink);
  border-radius: 4px;
  font-weight: 600;
  text-decoration: none;
}

.btn:hover { background: #ff8a45; }

.btn--ghost { background: transparent; color: var(--white); box-shadow: inset 0 0 0 2px #7fa0c9; }

.btn--ghost:hover { background: rgba(255, 255, 255, .08); }

/* Drum */
.drum {
  position: relative;
  justify-self: center;
  width: min(240px, 66vw);
  height: 300px;
  border-radius: 18px / 14px;
  background: linear-gradient(90deg, var(--cobalt-3) 0%, var(--cobalt-2) 30%, #3c78c2 45%, var(--cobalt-2) 60%, var(--cobalt-3) 100%);
  box-shadow: inset 0 10px 0 rgba(0, 0, 0, .25), inset 0 -10px 0 rgba(0, 0, 0, .25), 0 20px 30px rgba(0, 0, 0, .35);
  display: grid;
  place-items: center;
}

.drum__rib { position: absolute; left: 0; right: 0; height: 10px; background: linear-gradient(90deg, rgba(0, 0, 0, .35), rgba(255, 255, 255, .15) 45%, rgba(0, 0, 0, .35)); }

.drum__rib--1 { top: 33%; }

.drum__rib--2 { top: 66%; }

.drum__stencil { margin: 0; position: relative; font-family: var(--stencil); font-size: clamp(1.8rem, 8vw, 2.4rem); line-height: 1.05; text-align: center; color: var(--spray); text-shadow: 0 0 6px rgba(255, 255, 255, .45); letter-spacing: .06em; }

/* Strip */
.strip { background: var(--cobalt-3); color: var(--white); padding: 16px 0; }

.strip__row { margin: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 16px; }

.strip dt { font-size: .76rem; text-transform: uppercase; letter-spacing: .08em; color: #9db3cf; }

.strip dd { margin: 0; font-weight: 600; font-size: 1.1rem; }

/* Sections */
.sec { padding-top: 60px; }

h2 { font-family: var(--stencil); font-weight: 400; font-size: clamp(1.7rem, 4.8vw, 2.5rem); line-height: 1.1; margin: 0 0 18px; text-transform: uppercase; }

h3 { font-weight: 800; font-size: 1.1rem; margin: 0 0 4px; }

/* Plates */
.plates { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }

.plate {
  background: linear-gradient(160deg, var(--steel), var(--steel-2));
  border: 1px solid #a4adb8;
  border-radius: 6px;
  padding: 14px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .7);
  position: relative;
}

.plate::before, .plate::after { content: ""; position: absolute; top: 8px; width: 7px; height: 7px; border-radius: 50%; background: #8d96a2; box-shadow: inset 0 1px 1px rgba(0, 0, 0, .4); }

.plate::before { left: 8px; }

.plate::after { right: 8px; }

.plate__s { margin: 6px 0 6px; font-family: var(--stencil); font-size: 1.05rem; color: var(--cobalt-3); letter-spacing: .04em; overflow-wrap: anywhere; }

.plate p:last-child { margin: 0; color: var(--muted); font-size: .95rem; }

.plate--wide { grid-column: 1 / -1; }

/* Lessons */
.lessons { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }

.lessons li { display: flex; gap: 16px; align-items: flex-start; background: var(--white); border: 1px solid var(--line); border-radius: 8px; padding: 16px; }

.lessons span { flex-shrink: 0; font-family: var(--stencil); font-size: 2rem; line-height: 1; color: var(--cobalt-2); }

.lessons p { margin: 0; color: var(--muted); }

/* Who / note */
.two { display: grid; gap: 28px; }

.who { margin: 0; padding-left: 20px; }

.who li { margin-bottom: 10px; }

.who li::marker { color: var(--orange); }

.note { background: var(--cobalt); color: var(--white); border-radius: 8px; padding: 22px; align-self: start; }

.note ul { margin: 0; padding-left: 20px; }

.note li { margin-bottom: 8px; }

.note a { color: #ffc49c; }

/* FAQ */
.faq details { background: var(--white); border: 1px solid var(--line); border-radius: 6px; margin-bottom: 8px; }

.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 52px 14px 16px;
  font-weight: 600;
  position: relative;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 12px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--cobalt);
  color: var(--white);
  display: grid;
  place-items: center;
  font-weight: 800;
  line-height: 1;
}

.faq details[open] summary::after { content: "−"; background: var(--orange); color: var(--ink); }

.faq details p { margin: 0; padding: 0 16px 16px; color: var(--muted); }

/* CTA */
.cta { margin-top: 64px; padding: 56px 0; background: var(--cobalt); color: var(--white); }

.cta h2 { text-shadow: 0 0 10px rgba(255, 255, 255, .25); }

.cta p { max-width: 60ch; color: #d2ddea; margin: 0 0 24px; }

/* Foot */
.foot { background: #07182d; color: #9db3cf; padding: 20px 0; font-size: .9rem; }

.foot a { color: var(--white); }

.foot__inner { display: grid; gap: 4px; }

.foot p { margin: 0; }

@media (max-width: 380px) {
  .top__brand { font-size: 1rem; }
  .top__cta { font-size: .86rem; padding: 4px 10px; }
  .plate__s { font-size: .92rem; }
}

@media (min-width: 760px) {
  .strip__row { grid-template-columns: repeat(4, 1fr); }
  .plates { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .plate--wide { grid-column: span 2; }
  .lessons { grid-template-columns: repeat(3, 1fr); }
  .two { grid-template-columns: 1.3fr 1fr; gap: 40px; }
  .foot__inner { grid-template-columns: 1fr auto; }
}

@media (min-width: 1000px) {
  .hero__grid { grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}