/* ============================================================
   no hello — F&J Studios
   Nur zwei Themes: dark (Standard) und light
   ============================================================ */

/* ── Tokens ────────────────────────────────────────────── */
:root,
:root[data-theme='dark'] {
  --bg: #0d0e12;
  --bg-soft: #14161c;
  --surface: #191c24;
  --surface-2: #1f232d;
  --border: #272c38;
  --text: #e7e9ee;
  --text-dim: #9aa1b1;
  --text-mute: #6b7280;

  --accent: #00c8ff;
  --accent-soft: rgba(0, 200, 255, 0.12);
  --good: #3ecf8e;
  --good-soft: rgba(62, 207, 142, 0.12);
  --bad: #ff5f6d;
  --bad-soft: rgba(255, 95, 109, 0.12);

  --shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  --shadow-sm: 0 6px 18px rgba(0, 0, 0, 0.3);
  --glow: radial-gradient(60% 60% at 50% 0%, rgba(0, 200, 255, 0.16), transparent 70%);
}

:root[data-theme='light'] {
  --bg: #f6f7fb;
  --bg-soft: #ffffff;
  --surface: #ffffff;
  --surface-2: #f2f4f9;
  --border: #e1e5ee;
  --text: #14161c;
  --text-dim: #545b6b;
  --text-mute: #858c9c;

  --accent: #0087b3;
  --accent-soft: rgba(0, 135, 179, 0.1);
  --good: #14915f;
  --good-soft: rgba(20, 145, 95, 0.1);
  --bad: #d92d3f;
  --bad-soft: rgba(217, 45, 63, 0.09);

  --shadow: 0 20px 50px rgba(20, 30, 60, 0.1);
  --shadow-sm: 0 6px 18px rgba(20, 30, 60, 0.07);
  --glow: radial-gradient(60% 60% at 50% 0%, rgba(0, 135, 179, 0.12), transparent 70%);
}

/* ── Reset ─────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s ease, color 0.3s ease;
}

a {
  color: var(--accent);
  text-decoration: none;
}

code {
  font-family: ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;
  font-size: 0.88em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 6px;
}

.wrap {
  width: min(1140px, 100% - 2.5rem);
  margin-inline: auto;
}

/* ── Theme-Umschalter ──────────────────────────────────── */
.theme-toggle {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 50;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text-dim);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: color 0.2s, border-color 0.2s, transform 0.2s, background-color 0.3s;
}

.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.theme-toggle .icon {
  width: 20px;
  height: 20px;
}

:root[data-theme='dark'] .icon-sun,
:root[data-theme='light'] .icon-moon {
  display: none;
}

/* ── Hero ──────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: clamp(5rem, 16vh, 9rem) 0 clamp(3.5rem, 9vh, 6rem);
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--glow);
  pointer-events: none;
}

.hero .wrap {
  position: relative;
}

.eyebrow {
  display: inline-block;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--accent-soft);
  border-radius: 999px;
  padding: 0.4rem 0.95rem;
  margin-bottom: 1.5rem;
}

h1 {
  font-size: clamp(3rem, 11vw, 6.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 1.1rem;
}

.strike-wrap {
  position: relative;
  display: inline-block;
  color: var(--text-dim);
}

.strike-wrap::after {
  content: '';
  position: absolute;
  left: -2%;
  right: -2%;
  top: 52%;
  height: clamp(4px, 0.9vw, 8px);
  border-radius: 999px;
  background: var(--bad);
  transform: rotate(-3deg);
}

#strike::after {
  /* Cursor der Tipp-Animation */
  content: '|';
  margin-left: 2px;
  color: var(--accent);
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

.subtitle {
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  color: var(--text);
  font-weight: 500;
  margin-bottom: 0.9rem;
}

.lead {
  font-size: clamp(0.98rem, 2vw, 1.1rem);
  color: var(--text-dim);
  max-width: 46ch;
  margin-inline: auto;
}

.scroll-hint {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 2.25rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-dim);
  transition: color 0.2s;
}

.scroll-hint:hover {
  color: var(--accent);
}

.scroll-hint svg {
  width: 18px;
  height: 18px;
  animation: bob 2s ease-in-out infinite;
}

@keyframes bob {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(4px);
  }
}

/* ── Karten-Grid ───────────────────────────────────────── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.75rem;
  padding-block: 1rem 4.5rem;
  align-items: start;
}

.card-head {
  margin-bottom: 1.1rem;
}

.card-head h2 {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
  margin-bottom: 0.6rem;
}

.badge.bad {
  color: var(--bad);
  background: var(--bad-soft);
}

.badge.good {
  color: var(--good);
  background: var(--good-soft);
}

/* ── Ticket-Fenster ────────────────────────────────────── */
.ticket {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.ticket-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.1rem;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
}

.ticket-bar .hash {
  color: var(--text-mute);
  font-size: 1.15rem;
  line-height: 1;
}

.ticket-name {
  font-weight: 600;
}

.ticket-tag {
  margin-left: auto;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-dim);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
}

.ticket-body {
  padding: 1.1rem 1.1rem 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 1.05rem;
}

.msg {
  display: flex;
  gap: 0.8rem;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.msg.shown {
  opacity: 1;
  transform: none;
}

.avatar {
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--avatar, var(--accent));
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
}

.msg-main {
  min-width: 0;
}

.msg-meta {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
  flex-wrap: wrap;
  margin-bottom: 0.15rem;
}

.msg-meta .name {
  font-weight: 600;
  font-size: 0.95rem;
}

.msg-meta .tag {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #fff;
  background: var(--accent);
  border-radius: 4px;
  padding: 0.1rem 0.32rem;
  transform: translateY(-1px);
}

.msg-meta .time {
  font-size: 0.72rem;
  color: var(--text-mute);
}

.bubble {
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.6;
  word-break: break-word;
}

.bubble strong {
  color: var(--text);
  font-weight: 600;
}

.attachment {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.55rem;
  font-size: 0.82rem;
  color: var(--text-dim);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.4rem 0.7rem;
}

.attachment svg {
  width: 16px;
  height: 16px;
  color: var(--text-mute);
}

.ticket-foot {
  padding: 0.8rem 1.1rem;
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}

.ticket-foot.bad {
  color: var(--bad);
  background: var(--bad-soft);
}

.ticket-foot.good {
  color: var(--good);
  background: var(--good-soft);
}

/* ── Erklär-Panels ─────────────────────────────────────── */
.explain {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.75rem;
  padding-bottom: 4.5rem;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.9rem;
  box-shadow: var(--shadow-sm);
}

.panel h2 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.9rem;
}

.panel p {
  color: var(--text-dim);
  margin-bottom: 1rem;
}

.panel p:last-child {
  margin-bottom: 0;
}

.panel strong {
  color: var(--text);
  font-weight: 600;
}

.panel ul {
  list-style: none;
  margin-bottom: 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.panel li {
  position: relative;
  padding-left: 1.7rem;
  color: var(--text-dim);
  font-size: 0.95rem;
}

.panel li::before {
  position: absolute;
  left: 0;
  font-weight: 700;
}

.panel .dont li::before {
  content: '✕';
  color: var(--bad);
}

.panel .do li::before {
  content: '✓';
  color: var(--good);
}

.punch {
  font-size: 1.15rem !important;
  font-weight: 700;
  color: var(--text) !important;
}

/* ── Checkliste ────────────────────────────────────────── */
.checklist {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.25rem;
  margin-bottom: 4.5rem;
  box-shadow: var(--shadow-sm);
}

.checklist h2 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.6rem;
  text-align: center;
}

.checks {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.4rem;
}

.check {
  display: flex;
  gap: 0.9rem;
}

.check .num {
  flex: 0 0 32px;
  height: 32px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-soft);
}

.check h3 {
  font-size: 0.98rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.check p {
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.5;
}

/* ── Footer ────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
  padding: 3rem 0 3.5rem;
  text-align: center;
}

footer p {
  color: var(--text-dim);
  font-size: 0.95rem;
  max-width: 62ch;
  margin-inline: auto;
  margin-bottom: 0.7rem;
}

footer .muted {
  color: var(--text-mute);
  font-size: 0.88rem;
}

.footer-actions {
  margin-top: 1.6rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dim);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.6rem 1.4rem;
  transition: color 0.2s, border-color 0.2s, transform 0.2s;
}

.btn:hover {
  color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* ── Scroll-Animationen ────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.shown {
  opacity: 1;
  transform: none;
}

.delay-1 {
  transition-delay: 0.1s;
}
.delay-2 {
  transition-delay: 0.2s;
}
.delay-3 {
  transition-delay: 0.3s;
}
.delay-4 {
  transition-delay: 0.4s;
}

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

  .reveal,
  .msg {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .scroll-hint svg,
  #strike::after {
    animation: none;
  }
}

/* ── Mobile ────────────────────────────────────────────── */
@media (max-width: 720px) {
  .wrap {
    width: min(1140px, 100% - 1.75rem);
  }

  .panel,
  .checklist {
    padding: 1.5rem;
  }

  .theme-toggle {
    top: 0.9rem;
    right: 0.9rem;
    width: 40px;
    height: 40px;
  }

  .ticket-tag {
    display: none;
  }
}