/* Landing page (/): hero, "Monitor starten" + "Tablet verbinden" cards, how-to. */

body.home {
  min-height: 100vh;
  min-height: 100dvh;
  height: auto;
  overflow-x: hidden;
  background: radial-gradient(90% 60% at 50% -10%, #2c2470 0%, rgba(44, 36, 112, 0) 70%), var(--bg);
  background-attachment: fixed;
}

.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;
}

a.btn {
  text-decoration: none;
}

/* ---------- Floating background doodles ---------- */

.doodles {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.doodle {
  position: absolute;
  fill: none;
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.22;
  animation: drift 11s ease-in-out infinite;
}
.d-star {
  width: 46px;
  left: 6%;
  top: 9%;
  stroke: var(--accent);
}
.d-spiral {
  width: 60px;
  right: 5%;
  top: 42%;
  stroke: var(--accent-3);
  animation-delay: -3s;
}
.d-zigzag {
  width: 90px;
  left: 4%;
  top: 52%;
  stroke: var(--accent-2);
  animation-delay: -6s;
}
.d-heart {
  width: 40px;
  right: 9%;
  top: 60%;
  stroke: var(--accent-2);
  animation-delay: -2s;
}
.d-circle {
  width: 64px;
  left: 14%;
  bottom: 8%;
  stroke: var(--ok);
  animation-delay: -8s;
}
.d-cloud {
  width: 80px;
  right: 18%;
  bottom: 4%;
  stroke: var(--muted);
  animation-delay: -5s;
}
.d-squig {
  width: 80px;
  left: 44%;
  top: 3%;
  stroke: var(--warn);
  animation-delay: -9s;
}
@keyframes drift {
  0%,
  100% {
    transform: translate(0, 0) rotate(-6deg);
  }
  50% {
    transform: translate(10px, -16px) rotate(6deg);
  }
}

/* ---------- Layout ---------- */

.home-main {
  position: relative;
  z-index: 1;
  max-width: 980px;
  margin: 0 auto;
  padding: calc(28px + var(--safe-top)) calc(16px + var(--safe-right)) calc(28px + var(--safe-bottom))
    calc(16px + var(--safe-left));
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* ---------- Hero / logo ---------- */

.hero {
  display: grid;
  justify-items: center;
  text-align: center;
  gap: 14px;
  padding-top: 2vh;
}

.logo {
  position: relative;
  display: inline-grid;
  justify-items: center;
  padding: 0 34px 18px 0;
}

.logo-text {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  column-gap: 0.28em;
  font-size: clamp(54px, 15vw, 112px);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: 0.01em;
}
.logo-word {
  display: inline-flex;
  white-space: nowrap;
}
.ch {
  display: inline-block;
  text-shadow: 0 0.06em 0 rgba(0, 0, 0, 0.35);
  animation: letter-in 0.7s var(--ease) backwards;
}
.c1 {
  color: var(--accent);
  transform: rotate(-6deg);
  animation-delay: 0.05s;
}
.c2 {
  color: var(--accent-2);
  transform: translateY(4%) rotate(4deg);
  animation-delay: 0.1s;
}
.c3 {
  color: var(--accent-3);
  transform: rotate(-3deg);
  animation-delay: 0.15s;
}
.c4 {
  color: var(--ok);
  transform: translateY(-8%);
  animation-delay: 0.2s;
}
.c5 {
  color: var(--warn);
  transform: rotate(7deg);
  animation-delay: 0.25s;
}
.c6 {
  color: var(--accent);
  transform: rotate(5deg);
  animation-delay: 0.35s;
}
.c7 {
  color: var(--accent-3);
  transform: translateY(5%) rotate(-5deg);
  animation-delay: 0.4s;
}
.c8 {
  color: var(--accent-2);
  transform: rotate(3deg);
  animation-delay: 0.45s;
}
.c9 {
  color: var(--ok);
  transform: translateY(-4%) rotate(-7deg);
  animation-delay: 0.5s;
}
@keyframes letter-in {
  from {
    opacity: 0;
    transform: translateY(40%) scale(0.4) rotate(-20deg);
  }
}

.logo-squiggle {
  width: min(78%, 360px);
  height: auto;
  margin-top: 6px;
  overflow: visible;
}
.logo-squiggle path {
  fill: none;
  stroke: var(--accent-2);
  stroke-width: 7;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 1;
  stroke-dashoffset: 0;
  animation: draw-on 1.4s 0.55s var(--ease) backwards;
}
@keyframes draw-on {
  from {
    stroke-dashoffset: 1;
  }
}

.logo-pencil {
  position: absolute;
  right: -2px;
  bottom: 0;
  width: clamp(54px, 13vw, 92px);
  height: auto;
  transform-origin: 30% 70%;
  animation: pencil-wiggle 2.8s 1.9s ease-in-out infinite, pencil-in 1.4s 0.55s var(--ease) backwards;
}
@keyframes pencil-in {
  from {
    transform: translateX(-260%) translateY(10%) rotate(-12deg);
    opacity: 0;
  }
}
@keyframes pencil-wiggle {
  0%,
  100% {
    transform: rotate(0deg);
  }
  25% {
    transform: rotate(-8deg) translateY(-3px);
  }
  50% {
    transform: rotate(4deg);
  }
}

.pitch {
  margin: 0;
  max-width: 560px;
  font-size: clamp(18px, 4.6vw, 23px);
  font-weight: 500;
  color: var(--muted);
  text-wrap: balance;
}

/* ---------- Cards ---------- */

.cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px 20px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 5px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}
.card-join::before {
  background: linear-gradient(90deg, var(--accent-3), var(--ok));
}
.card-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 25px;
}
.card-emoji {
  font-size: 1.1em;
  line-height: 1;
}
.card-text {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.start-actions {
  display: grid;
  gap: 10px;
  margin-top: auto;
  padding-top: 4px;
}
.start-actions .btn-lg {
  white-space: normal;
  line-height: 1.15;
  text-align: center;
}
.start-room {
  letter-spacing: 0.1em;
  font-variant-numeric: tabular-nums;
}
.start-checking {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 56px;
  color: var(--muted);
}
.start-link {
  justify-self: center;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: var(--tap);
  padding: 0 10px;
  color: var(--muted);
  font-weight: 550;
  text-decoration: none;
  border-radius: 999px;
}
.start-link:hover {
  color: var(--text);
}
.start-link:focus-visible {
  outline: 3px solid var(--accent-3);
  outline-offset: 2px;
}

.dots {
  display: inline-flex;
  gap: 6px;
}
.dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  animation: dot-bounce 1s ease-in-out infinite;
}
.dots span:nth-child(2) {
  animation-delay: 0.15s;
}
.dots span:nth-child(3) {
  animation-delay: 0.3s;
}
@keyframes dot-bounce {
  0%,
  80%,
  100% {
    transform: translateY(0);
    opacity: 0.5;
  }
  40% {
    transform: translateY(-6px);
    opacity: 1;
  }
}

/* ---------- Code input: one real input over five letter boxes ---------- */

.join-form {
  display: grid;
  gap: 12px;
}

.code-field {
  position: relative;
  display: block;
  max-width: 420px;
  width: 100%;
  margin: 0 auto;
  cursor: text;
}
.code-input {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  outline: none;
  background: transparent;
  color: transparent;
  caret-color: transparent;
  font-size: 16px; /* >= 16px: no zoom on focus in iOS Safari */
  opacity: 0;
  cursor: text;
}
.code-input::selection {
  background: transparent;
}

.code-boxes {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
}
.code-box {
  position: relative;
  display: grid;
  place-items: center;
  height: clamp(58px, 17vw, 76px);
  border-radius: 16px;
  border: 2px solid var(--line);
  background: var(--bg-2);
  color: var(--accent);
  font-size: clamp(30px, 9vw, 42px);
  font-weight: 700;
  line-height: 1;
  transition: border-color 0.15s, background-color 0.15s, box-shadow 0.15s;
}
.code-box.is-filled {
  background: var(--surface-2);
  border-color: var(--surface-3);
  animation: box-pop 0.25s var(--ease);
}
@keyframes box-pop {
  50% {
    transform: scale(1.08);
  }
}
.code-field.is-focused .code-box.is-active {
  border-color: var(--accent-3);
  box-shadow: 0 0 0 4px rgba(79, 209, 255, 0.22);
}
.code-field.is-focused .code-box.is-active:not(.is-filled)::after {
  content: '';
  width: 3px;
  height: 42%;
  border-radius: 2px;
  background: var(--accent-3);
  animation: caret-blink 1s steps(1) infinite;
}
@keyframes caret-blink {
  50% {
    opacity: 0;
  }
}
.code-field.is-error .code-box {
  border-color: var(--bad);
}
.code-field.shake .code-boxes {
  animation: shake 0.45s ease;
}
@keyframes shake {
  20% {
    transform: translateX(-8px);
  }
  40% {
    transform: translateX(7px);
  }
  60% {
    transform: translateX(-5px);
  }
  80% {
    transform: translateX(3px);
  }
}

.join-error {
  margin: 0;
  min-height: 1.35em;
  text-align: center;
  color: #ff8a8a;
  font-weight: 600;
}
.join-error:empty {
  min-height: 0;
  margin-top: -12px;
}
.join-hint {
  margin: 0;
  text-align: center;
  color: var(--faint);
  font-size: 15px;
}

/* On the tablet (or a phone) the card you need there comes first. */
@media (pointer: coarse) {
  .card-join {
    order: -1;
  }
}

/* ---------- How it works ---------- */

.how {
  display: grid;
  gap: 14px;
  padding: 8px 2px 0;
}
.how-title {
  font-size: 22px;
  text-align: center;
}
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.step {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  border-radius: var(--radius);
  background: rgba(36, 31, 77, 0.6);
  border: 1px solid var(--line);
}
.step-num {
  flex: none;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  font-size: 19px;
  transform: rotate(-6deg);
}
.step:nth-child(2) .step-num {
  background: var(--accent-2);
  color: #fff;
  transform: rotate(5deg);
}
.step:nth-child(3) .step-num {
  background: var(--accent-3);
  color: #06283a;
}
.step h3 {
  font-size: 18px;
  margin-bottom: 3px;
}
.step p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.home-foot {
  text-align: center;
  color: var(--faint);
  font-size: 15px;
  padding-bottom: 8px;
}

/* ---------- Wider screens ---------- */

@media (min-width: 760px) {
  .home-main {
    gap: 40px;
    padding-top: calc(48px + var(--safe-top));
  }
  .cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .card {
    padding: 28px 26px 26px;
  }
  .card-title {
    font-size: 28px;
  }
  .steps {
    grid-template-columns: repeat(3, 1fr);
  }
  .step {
    flex-direction: column;
  }
}