/* Marka rengi logodan gelir: #0daff6. Bu ham cyan beyaz üstünde metin/buton için fazla
   açık kaldığından açık temada koyulaştırılmış hâli (--accent) kullanılır; ham cyan yalnızca
   ışıma ve koyu tema için. */
:root {
  color-scheme: light dark;
  --bg: #f6f6f9;
  --fg: #14141a;
  --muted: #5c5c6b;
  --card: rgba(255, 255, 255, 0.72);
  --card-solid: #ffffff;
  --line: rgba(20, 20, 26, 0.1);
  --brand: #0daff6;
  --accent: #0b7aa8;
  --accent-soft: rgba(13, 175, 246, 0.13);
  --accent-on: #ffffff;
  --chord: #b8291f;
  --glow-a: rgba(13, 175, 246, 0.24);
  --glow-b: rgba(255, 92, 141, 0.18);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e0e12;
    --fg: #f3f3f7;
    --muted: #9a9aac;
    --card: rgba(28, 28, 36, 0.66);
    --card-solid: #17171d;
    --line: rgba(255, 255, 255, 0.11);
    --accent: #3ec4fb;
    --accent-soft: rgba(62, 196, 251, 0.16);
    /* Koyu temada aksan parlak; üstüne beyaz yazı okunmaz, koyu yazı okunur. */
    --accent-on: #04222f;
    --chord: #ff9d8a;
    --glow-a: rgba(13, 175, 246, 0.26);
    --glow-b: rgba(255, 92, 141, 0.2);
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100dvh;
  padding: clamp(1.5rem, 5vw, 3.5rem) 1.25rem clamp(2rem, 5vw, 3rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(2rem, 6vw, 3.5rem);
  background: var(--bg);
  color: var(--fg);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.55;
  overflow-x: hidden;
}

/* Arka plandaki iki yumuşak ışık — sahne spotu hissi. */
body::before,
body::after {
  content: "";
  position: fixed;
  z-index: -1;
  width: 45rem;
  height: 45rem;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
}
body::before {
  top: -22rem;
  left: -14rem;
  background: var(--glow-a);
}
body::after {
  bottom: -26rem;
  right: -16rem;
  background: var(--glow-b);
}

main {
  width: 100%;
  max-width: 34rem;
}

/* --- Başlık --- */
.hero {
  text-align: center;
}
/* Marka kilidi (ikon + "ROTULUS"). width/height nitelikleri HTML'de duruyor; buradaki
   height:auto oranı korur, yükseklik ekrana göre ölçeklenir. */
.logo {
  display: block;
  width: auto;
  height: clamp(2.6rem, 9vw, 3.4rem);
  margin: 0 auto 1.25rem;
}
h1 {
  margin: 1rem 0 0.6rem;
  font-size: clamp(2.4rem, 11vw, 3.6rem);
  letter-spacing: -0.035em;
  line-height: 1.05;
}
.tagline {
  margin: 0 auto;
  max-width: 24rem;
  color: var(--muted);
  font-size: clamp(1rem, 3.4vw, 1.1rem);
}

/* --- Canlı demo --- */
.stage {
  margin-top: clamp(2rem, 6vw, 2.75rem);
  border: 1px solid var(--line);
  border-radius: 1.4rem;
  background: var(--card);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.12);
  overflow: hidden;
}
.stage-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid var(--line);
}
.stage-song {
  font-size: 0.9rem;
  font-weight: 600;
}
.stage-song small {
  display: block;
  font-weight: 400;
  font-size: 0.78rem;
  color: var(--muted);
}
.key-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.key-chip em {
  font-style: normal;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.7;
}
.key-chip.bump {
  animation: bump 0.5s ease;
}
@keyframes bump {
  0% {
    transform: scale(1);
  }
  35% {
    transform: scale(1.13);
  }
  100% {
    transform: scale(1);
  }
}

/* Akorlar sözlerin ÜSTÜNDE, sütun hizası korunarak — uygulamadaki gibi. */
.sheet {
  margin: 0;
  padding: 1.15rem 1.1rem 1.35rem;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
  font-size: clamp(0.82rem, 3.4vw, 0.95rem);
  line-height: 1.45;
  overflow-x: auto;
  white-space: pre;
}
.sheet .chords {
  color: var(--chord);
  font-weight: 700;
}
.sheet .chords span {
  transition: opacity 0.18s ease;
}
.sheet .lyrics {
  color: var(--fg);
}
.sheet .gap {
  height: 0.55rem;
}
.swapping .chords span {
  opacity: 0.25;
}

.stage-foot {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.1rem 0.95rem;
  color: var(--muted);
  font-size: 0.78rem;
}
.dots {
  display: inline-flex;
}
.dots i {
  width: 1.35rem;
  height: 1.35rem;
  margin-right: -0.4rem;
  border: 2px solid var(--card-solid);
  border-radius: 50%;
  background: linear-gradient(140deg, var(--accent), #ff5c8d);
}
.dots i:nth-child(2) {
  background: linear-gradient(140deg, #23c552, var(--accent));
}
.dots i:nth-child(3) {
  background: linear-gradient(140deg, #ffb020, #ff5c8d);
}

/* --- Özellikler --- */
.points {
  margin: clamp(2rem, 6vw, 2.75rem) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.6rem;
}
.points li {
  display: flex;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: var(--card);
  font-size: 0.94rem;
}
.points b {
  display: block;
}
.points span {
  color: var(--muted);
  font-size: 0.88rem;
}
.points .ico {
  flex: none;
  font-size: 1.1rem;
  line-height: 1.4;
}

/* --- Mağaza rozetleri --- */
.stores {
  margin-top: clamp(2rem, 6vw, 2.75rem);
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  justify-content: center;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1.1rem;
  border-radius: 0.8rem;
  border: 1px solid transparent;
  background: #000;
  color: #fff;
  text-decoration: none;
  transition:
    transform 0.15s ease,
    opacity 0.15s ease;
}
@media (prefers-color-scheme: dark) {
  .badge {
    border-color: rgba(255, 255, 255, 0.22);
  }
}
.badge:hover {
  transform: translateY(-2px);
}
.badge svg {
  flex: none;
}
.badge small {
  display: block;
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.8;
  line-height: 1.3;
}
.badge strong {
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.15;
}
.badge[aria-disabled="true"] {
  opacity: 0.45;
  pointer-events: none;
}
.soon {
  margin: 0.85rem 0 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
}

/* --- İletişim --- */
.contact {
  margin-top: clamp(2.25rem, 6vw, 3rem);
  padding: clamp(1.25rem, 5vw, 1.75rem);
  border: 1px solid var(--line);
  border-radius: 1.4rem;
  background: var(--card);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.contact h2 {
  margin: 0 0 0.3rem;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}
.contact > p {
  margin: 0 0 1.15rem;
  color: var(--muted);
  font-size: 0.9rem;
}
.field {
  display: block;
  margin-bottom: 0.85rem;
}
.field > span {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
}
.field input,
.field textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background: var(--card-solid);
  color: var(--fg);
  font: inherit;
  font-size: 0.95rem;
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease;
}
.field textarea {
  resize: vertical;
  min-height: 6.5rem;
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
/* Bal küpü — gerçek kullanıcı görmez, otomatik doldurucular takılır. */
.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}
.submit {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 0;
  border-radius: 0.75rem;
  background: var(--accent);
  color: var(--accent-on);
  font: inherit;
  font-size: 0.98rem;
  font-weight: 600;
  cursor: pointer;
  transition:
    transform 0.15s ease,
    opacity 0.15s ease;
}
.submit:hover:not(:disabled) {
  transform: translateY(-1px);
}
.submit:disabled {
  opacity: 0.6;
  cursor: default;
}
#form-status {
  margin: 0.8rem 0 0;
  min-height: 1.2rem;
  font-size: 0.88rem;
  text-align: center;
}
#form-status.ok {
  color: #1a9e46;
}
#form-status.err {
  color: #d3392b;
}
@media (prefers-color-scheme: dark) {
  #form-status.ok {
    color: #4ade80;
  }
  #form-status.err {
    color: #ff8a7a;
  }
}

footer {
  color: var(--muted);
  font-size: 0.8rem;
  text-align: center;
}
footer a {
  color: inherit;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}