:root {
  --color-primary: #f47c20;
  --color-primary-dark: #c65f12;
  --color-secondary: #008080;
  --color-secondary-dark: #005f5f;
  --color-bg: #fff8f1;
  --color-surface: #ffffff;
  --color-text: #1f2933;
  --color-muted: #5f6b7a;
  --color-border: #e7d7c7;
  --color-success: #13795b;
  --color-warning: #b45309;
  --color-danger: #b42318;
  --shadow: 0 12px 30px rgba(31, 41, 51, 0.11);
  --radius: 18px;
  --radius-small: 10px;
  --max-width: 1040px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--color-text);
  background:
    radial-gradient(circle at top left, rgba(244, 124, 32, 0.18), transparent 34rem),
    radial-gradient(circle at top right, rgba(0, 128, 128, 0.15), transparent 30rem),
    var(--color-bg);
  line-height: 1.65;
}

body.report-mode { background: #f7fafc; }

a { color: var(--color-secondary-dark); font-weight: 700; }
a:hover { color: var(--color-primary-dark); }

.skip-link {
  position: absolute;
  top: -5rem;
  left: 1rem;
  background: var(--color-secondary);
  color: #fff;
  padding: 0.75rem 1rem;
  z-index: 100;
  border-radius: var(--radius-small);
}
.skip-link:focus { top: 1rem; }

.site-header {
  color: #fff;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  padding: 3rem 1rem 2.5rem;
  box-shadow: var(--shadow);
}

.header-inner,
.main,
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: #fff;
  text-decoration: none;
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  background: rgba(255,255,255,0.22);
  border: 1px solid rgba(255,255,255,0.38);
}

.nav-links { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.nav-links a {
  color: #fff;
  text-decoration: none;
  padding: 0.55rem 0.8rem;
  border: 1px solid rgba(255,255,255,0.32);
  border-radius: 999px;
  background: rgba(255,255,255,0.12);
}
.nav-links a:hover { background: rgba(255,255,255,0.22); }

.hero-eyebrow {
  display: inline-flex;
  gap: 0.45rem;
  align-items: center;
  padding: 0.35rem 0.7rem;
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.28);
  border-radius: 999px;
  font-weight: 800;
  margin-bottom: 1rem;
}

h1, h2, h3, h4 { line-height: 1.15; margin: 0 0 0.8rem; }
h1 { font-size: clamp(2.15rem, 7vw, 4.8rem); max-width: 14ch; }
h2 { font-size: clamp(1.55rem, 3vw, 2.35rem); }
h3 { font-size: 1.25rem; }

.hero-text { max-width: 760px; font-size: 1.18rem; color: rgba(255,255,255,0.94); }

.main { padding: 2rem 1rem 3rem; }
.section { margin: 1.25rem 0; }

.card,
.choice-card,
.info-box,
.media-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card { padding: clamp(1.2rem, 3vw, 2rem); margin-bottom: 1rem; }
.info-box { padding: 1rem 1.1rem; border-left: 7px solid var(--color-secondary); box-shadow: none; }
.info-box.orange { border-left-color: var(--color-primary); }
.info-box.warning { border-left-color: var(--color-warning); }
.info-box.success { border-left-color: var(--color-success); }

.choice-card {
  padding: clamp(1.15rem, 3vw, 1.7rem);
  margin: 1.25rem 0;
}
.choice-card header { margin-bottom: 1rem; }
.choice-intro { color: var(--color-muted); margin: 0.25rem 0 1rem; }

.option-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 0.8rem;
  margin: 1rem 0;
}

.option-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.option-label {
  display: flex;
  align-items: center;
  min-height: 4.6rem;
  padding: 1rem;
  border: 2px solid var(--color-border);
  border-radius: 16px;
  background: #fff;
  cursor: pointer;
  font-weight: 800;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}
.option-label:hover { transform: translateY(-2px); border-color: var(--color-secondary); }
.option-input:focus + .option-label { outline: 3px solid rgba(0,128,128,0.25); outline-offset: 3px; }
.option-input:checked + .option-label {
  border-color: var(--color-secondary);
  background: linear-gradient(135deg, rgba(0,128,128,0.10), rgba(244,124,32,0.11));
  box-shadow: 0 8px 20px rgba(0,128,128,0.12);
}

.description-box {
  margin-top: 1rem;
  padding: 1rem;
  background: #f9fcfc;
  border: 1px dashed rgba(0,128,128,0.45);
  border-radius: 14px;
}
.description-box strong { color: var(--color-secondary-dark); }

.progress-panel {
  position: sticky;
  bottom: 0;
  z-index: 20;
  margin: 1.25rem 0 0;
  padding: 1rem;
  background: rgba(255,255,255,0.93);
  backdrop-filter: blur(10px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.progress-panel-inner {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}
.path-status { color: var(--color-muted); margin: 0; }

.button-row { display: flex; gap: 0.8rem; flex-wrap: wrap; align-items: center; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  border: 0;
  border-radius: 999px;
  padding: 0.85rem 1.15rem;
  background: var(--color-secondary);
  color: #fff;
  text-decoration: none;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 8px 18px rgba(0,128,128,0.22);
  transition: transform 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}
.btn:hover { transform: translateY(-2px); background: var(--color-secondary-dark); color: #fff; }
.btn.primary { background: var(--color-primary); box-shadow: 0 8px 18px rgba(244,124,32,0.22); }
.btn.primary:hover { background: var(--color-primary-dark); }
.btn.secondary { background: #eff7f7; color: var(--color-secondary-dark); box-shadow: none; border: 1px solid rgba(0,128,128,0.22); }
.btn.secondary:hover { background: #e2f1f1; }
.btn.danger { background: var(--color-danger); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: rgba(0,128,128,0.09);
  color: var(--color-secondary-dark);
  font-weight: 800;
  font-size: 0.9rem;
}
.badge.orange { background: rgba(244,124,32,0.12); color: var(--color-primary-dark); }

/* Tavanomaiset sisältöelementit */
blockquote {
  margin: 1rem 0;
  padding: 1rem 1.2rem;
  border-left: 7px solid var(--color-primary);
  background: #fff5ec;
  border-radius: 0 var(--radius-small) var(--radius-small) 0;
  font-size: 1.05rem;
}

pre, code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  background: #13242a;
  color: #e6fffb;
  border-radius: 8px;
}
code { padding: 0.12rem 0.35rem; }
pre { overflow-x: auto; padding: 1rem; }
pre code { padding: 0; }

.responsive-image, .responsive-video, video, iframe {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: #f2f2f2;
}
.responsive-video, .video-placeholder { aspect-ratio: 16/9; }
.video-placeholder {
  display: grid;
  place-items: center;
  padding: 1rem;
  background: linear-gradient(135deg, rgba(244,124,32,0.13), rgba(0,128,128,0.12));
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  text-align: center;
}

/* Accordion ja nested accordion */
.accordion { display: grid; gap: 0.75rem; }
details {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 0.35rem 0.8rem;
}
details[open] { border-color: rgba(0,128,128,0.35); }
summary {
  cursor: pointer;
  font-weight: 900;
  color: var(--color-secondary-dark);
  padding: 0.75rem 0.2rem;
}
summary::marker { color: var(--color-primary); }
.details-content { padding: 0 0.2rem 0.85rem; }
.nested-accordion { margin: 0.7rem 0 0.2rem 1rem; }

/* Tooltip vaikeille sanoille */
.term {
  position: relative;
  border-bottom: 2px dotted var(--color-primary);
  cursor: help;
  font-weight: 800;
}
.term::after {
  content: attr(data-tip);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 0.65rem);
  transform: translateX(-50%) translateY(0.25rem);
  min-width: min(24rem, 82vw);
  max-width: 28rem;
  padding: 0.75rem 0.85rem;
  border-radius: 12px;
  background: #16242b;
  color: #fff;
  font-weight: 600;
  font-size: 0.92rem;
  line-height: 1.45;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s ease;
  z-index: 30;
  box-shadow: var(--shadow);
}
.term:hover::after,
.term:focus::after {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.report-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}
.report-item {
  padding: 1rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 14px;
}
.report-item dt { font-weight: 900; color: var(--color-secondary-dark); }
.report-item dd { margin: 0.25rem 0 0; color: var(--color-muted); }

.site-footer {
  padding: 2rem 1rem;
  background: #13242a;
  color: #d9f2ef;
}
.site-footer a { color: #fff; }

@media (max-width: 720px) {
  .site-header { padding-top: 1.6rem; }
  .progress-panel { border-radius: 18px 18px 0 0; margin-left: -1rem; margin-right: -1rem; }
  .btn { width: 100%; }
  .button-row { width: 100%; }
}