/* ============================================================
   Kommunefangst landing page
   Cartographic dark-mode design
   ============================================================ */

/* ---------- Design tokens ---------- */
:root {
  --bg-0: #05091a;
  --bg-1: #0b1a40;
  --bg-footer: #02050f;
  --bg-light: #faf7f2;

  --text-light: #ffffff;
  --text-muted-dark: #a8b3cf;
  --text-dark: #1a1a1a;
  --text-muted-light: #555555;

  --brand-red-0: #E21E40;
  --brand-red-1: #BA0C2F;
  --brand-blue-0: #003D99;
  --brand-blue-1: #00205B;
  --accent-ice: #7dd3fc;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-pill: 999px;

  --max-w: 1200px;
  --pad-x: clamp(20px, 5vw, 48px);
  --nav-height: 61px;

  --ease: cubic-bezier(.2, .7, .2, 1);
}

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

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-0);
  color: var(--text-light);
  line-height: 1.5;
  font-size: clamp(15px, 1.05vw + 12px, 17px);
  overflow-x: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: 0;
  background: transparent;
  color: inherit;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 0.4em;
  line-height: 1.1;
}

h1 { font-size: clamp(36px, 7vw, 72px); font-weight: 900; }
h2 { font-size: clamp(28px, 4vw, 44px); }
h3 { font-size: clamp(20px, 2.2vw, 28px); }

.accent {
  font-style: italic;
}

.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent-ice);
  margin-bottom: 18px;
}

.subhead {
  color: var(--text-muted-dark);
  max-width: 52ch;
  margin: 0 0 28px;
  font-size: clamp(16px, 1.5vw, 19px);
}

/* ---------- Utilities ---------- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0s !important;
    animation-delay: 0s !important;
    transition-duration: 0s !important;
  }
  html { scroll-behavior: auto; }
}

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(5, 9, 26, 0.78);
  backdrop-filter: saturate(150%) blur(12px);
  -webkit-backdrop-filter: saturate(150%) blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo {
  width: 32px;
  height: 32px;
}
.nav-wordmark {
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.01em;
}
.nav-lang {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
}
.nav-lang-link {
  padding: 6px 10px;
  border-radius: var(--radius-pill);
  color: var(--text-muted-dark);
  transition: color 0.2s, background 0.2s;
}
.nav-lang-link:hover {
  color: var(--text-light);
}
.nav-lang-link.is-active {
  color: var(--text-light);
  background: rgba(255, 255, 255, 0.08);
}
.nav-lang-sep {
  color: var(--text-muted-dark);
  opacity: 0.5;
}

/* ---------- Hero ---------- */
/* The hero tries to fill (viewport - sticky nav) so the map, headline, and
   CTAs all fit on one screen on typical phones and desktops. On viewports
   that are too short to fit everything (landscape phones, tiny devices)
   we drop that constraint so the hero sizes to its content and the page
   just scrolls. */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 20px 0 24px;
  overflow: hidden;
  isolation: isolate;
}
@media (min-height: 640px) {
  .hero {
    min-height: calc(100svh - var(--nav-height));
  }
}
@media (min-width: 900px) {
  .hero {
    padding: 40px 0;
  }
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(11, 26, 64, 0.9) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 100%, rgba(34, 8, 56, 0.6) 0%, transparent 50%),
    var(--bg-0);
}
.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 25% 30%, rgba(255, 255, 255, 0.05) 1px, transparent 1.5px),
    radial-gradient(circle at 75% 60%, rgba(255, 255, 255, 0.04) 1px, transparent 1.5px),
    radial-gradient(circle at 50% 80%, rgba(255, 255, 255, 0.03) 1px, transparent 1.5px);
  background-size: 180px 180px, 240px 240px, 300px 300px;
  opacity: 0.7;
  pointer-events: none;
}

.hero-grid {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 24px;
  min-height: 0;
  align-items: stretch;
}
@media (min-width: 900px) {
  .hero-grid {
    display: grid;
    grid-template-columns: minmax(320px, 1.15fr) 1fr;
    grid-template-rows: 1fr;
    gap: 64px;
    align-items: stretch;
  }
}

.hero-map-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  flex: 1;
  min-height: 0;
}
@media (min-width: 900px) {
  .hero-map-wrap {
    flex: initial;
    min-height: 0;
  }
}
.hero-map {
  max-width: 340px;
  max-height: 100%;
  width: auto;
  height: auto;
  filter: drop-shadow(0 30px 60px rgba(0, 61, 153, 0.35));
}
@media (min-width: 600px) {
  .hero-map {
    max-width: 520px;
  }
}
@media (min-width: 900px) {
  .hero-map {
    max-width: 680px;
  }
}

.hero-copy {
  flex-shrink: 0;
}
@media (min-width: 900px) {
  .hero-copy {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
}

/* Every kommune: draw the outline first (uniform ice-blue stroke), then fade
   in a brand-colour fill in a south→north wave. Per-path `style="--fd: Xs"`
   controls the fill delay so the generator can produce a geographic
   cascade without needing 356 nth-child rules. */
.hero-map .k {
  fill: url(#greenGrad);
  stroke: rgba(125, 211, 252, 0.45);
  stroke-width: 0.7;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
  fill-opacity: 0;
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  animation-name: kDraw, kFill;
  animation-duration: 1.0s, 0.6s;
  animation-timing-function: var(--ease), var(--ease);
  animation-fill-mode: forwards, forwards;
  animation-delay: 0s, var(--fd, 0.3s);
}

@keyframes kDraw {
  to { stroke-dashoffset: 0; }
}
@keyframes kFill {
  to { fill-opacity: 1; }
}

.hero-copy h1 {
  margin-bottom: 0.25em;
}
.hero-copy .accent {
  color: var(--accent-ice);
}
.hero-copy .subhead {
  margin-bottom: 28px;
}
.cta {
  margin-top: 28px;
}
@media (min-width: 900px) {
  .cta {
    margin-top: 32px;
  }
}
.cta-label {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-muted-dark);
  margin-bottom: 12px;
}
.cta-badges {
  display: flex;
  flex-wrap: nowrap;
  gap: 12px;
  align-items: center;
}
.badge {
  display: inline-block;
  transition: transform 0.2s var(--ease);
  min-width: 0;
  flex-shrink: 1;
}
.badge:hover {
  transform: translateY(-2px);
}
.badge img {
  height: 48px;
  width: auto;
  max-width: 100%;
  display: block;
}
@media (min-width: 900px) {
  .badge img {
    height: 64px;
  }
}

/* ---------- Counter band ---------- */
.counter {
  background: linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 50%, var(--bg-0) 100%);
  border-top: 1px solid rgba(125, 211, 252, 0.08);
  border-bottom: 1px solid rgba(125, 211, 252, 0.08);
  padding: clamp(40px, 6vw, 80px) 0;
}
.counter-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
}
@media (min-width: 700px) {
  .counter-inner {
    flex-direction: row;
    gap: 28px;
    justify-content: center;
  }
}
.counter-value {
  font-size: clamp(72px, 14vw, 160px);
  font-weight: 900;
  line-height: 0.9;
  color: var(--text-light);
  font-variant-numeric: tabular-nums;
  background: linear-gradient(180deg, #fff 0%, #a8b3cf 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.counter-label {
  font-size: clamp(15px, 1.5vw, 18px);
  color: var(--text-muted-dark);
  max-width: 28ch;
  font-weight: 500;
}

/* ---------- Features ---------- */
.features {
  background: var(--bg-light);
  color: var(--text-dark);
  padding: clamp(64px, 10vw, 140px) 0;
}
.features-head {
  max-width: 640px;
  margin: 0 auto clamp(48px, 8vw, 96px);
  text-align: center;
}
.features-head h2 {
  color: var(--text-dark);
}
.eyebrow-dark {
  color: var(--brand-red-0);
}

.feature {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
  margin-bottom: clamp(56px, 10vw, 120px);
}
.feature:last-child { margin-bottom: 0; }

@media (min-width: 820px) {
  .feature {
    grid-template-columns: 1fr 1fr;
    gap: 80px;
  }
  .feature-reverse .feature-shot { order: 2; }
  .feature-reverse .feature-text { order: 1; }
}

.feature-shot {
  display: flex;
  justify-content: center;
}
.feature-shot img {
  width: 100%;
  max-width: 300px;
  height: auto;
  filter: drop-shadow(0 30px 60px rgba(0, 32, 91, 0.18));
}

.feature-text h3 {
  color: var(--text-dark);
  margin-bottom: 12px;
}
.feature-text p {
  color: var(--text-muted-light);
  font-size: clamp(16px, 1.5vw, 19px);
  max-width: 40ch;
  margin: 0;
}

/* Reveal-on-scroll (activated by JS in Task 16) */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.in {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}

/* ---------- How it works ---------- */
.howto {
  background: var(--bg-0);
  padding: clamp(64px, 9vw, 120px) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}
.howto-inner {
  text-align: center;
}
.howto-title {
  margin-bottom: clamp(36px, 5vw, 64px);
}
.howto-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 28px;
  grid-template-columns: 1fr;
}
@media (min-width: 740px) {
  .howto-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
  }
}
.howto-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.howto-num {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 2px solid rgba(125, 211, 252, 0.3);
  font-size: 22px;
  font-weight: 800;
  color: var(--accent-ice);
  background: linear-gradient(180deg, rgba(125, 211, 252, 0.08), transparent);
}
.howto-text {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-light);
}

/* ---------- Secondary CTA band ---------- */
.cta-band {
  background:
    radial-gradient(ellipse at 50% 50%, rgba(0, 61, 153, 0.35), transparent 60%),
    var(--bg-0);
  padding: clamp(64px, 9vw, 120px) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}
.cta-band-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}
.cta-band-title {
  max-width: 18ch;
}
.cta-band .cta-badges {
  justify-content: center;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--bg-footer);
  padding: 48px 0 32px;
  font-size: 14px;
  color: var(--text-muted-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-light);
  font-weight: 700;
  font-size: 16px;
}
.footer-tag {
  margin: 0;
  font-style: italic;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.footer-links a {
  color: var(--text-muted-dark);
  transition: color 0.2s;
}
.footer-links a:hover {
  color: var(--text-light);
}
.footer-links a.is-active {
  color: var(--text-light);
}
.footer-copy {
  margin: 0;
  opacity: 0.6;
  font-size: 13px;
}

/* ---------- Prose (long-form pages like privacy) ---------- */
.prose {
  padding: 64px 0 96px;
}
.prose-inner {
  max-width: 72ch;
  margin: 0 auto;
}
.prose h1 {
  font-size: clamp(32px, 5vw, 48px);
  margin-bottom: 8px;
}
.prose .effective-date {
  color: var(--text-muted-dark);
  font-size: 14px;
  margin: 0 0 40px;
}
.prose h2 {
  font-size: clamp(20px, 2vw, 24px);
  margin-top: 36px;
  margin-bottom: 10px;
  color: var(--text-light);
}
.prose p {
  color: var(--text-muted-dark);
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.65;
}
.prose a {
  color: var(--accent-ice);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.prose a:hover {
  color: var(--text-light);
}
.prose .lead {
  font-size: 18px;
  color: var(--text-muted-dark);
  margin: 0 0 40px;
  line-height: 1.6;
}
.prose .faq {
  margin: 8px 0 40px;
}
.prose details {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
}
.prose details:last-of-type {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.prose summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  color: var(--text-light);
  font-size: 17px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.prose summary::-webkit-details-marker {
  display: none;
}
.prose summary::after {
  content: "+";
  font-size: 26px;
  font-weight: 400;
  color: var(--text-muted-dark);
  line-height: 1;
  flex-shrink: 0;
}
.prose details[open] summary::after {
  content: "−";
}
.prose details > p {
  margin-top: 14px;
  margin-bottom: 0;
}
.prose details > p + p {
  margin-top: 10px;
}