:root {
  --background: #07090b;
  --panel: #101418;
  --panel-deep: #0b0f13;
  --panel-soft: #151b20;
  --foreground: #f2f5f8;
  --muted: #8e9aa6;
  --muted-strong: #b5c0ca;
  --line: rgba(255, 255, 255, 0.11);
  --line-strong: rgba(124, 206, 255, 0.26);
  --blue: #2864ff;
  --cyan: #50e7ff;
  --green: #7cf49a;
  --amber: #e9b85f;
  --radius: 10px;
  --max-width: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: clip;
  background:
    radial-gradient(circle at 50% -12%, rgba(36, 108, 255, 0.22), transparent 34rem),
    linear-gradient(rgba(255, 255, 255, 0.025), transparent 22rem),
    var(--background);
  color: var(--foreground);
  font-family:
    "Space Grotesk",
    "Noto Sans JP",
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.014) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 72%);
  content: "";
  pointer-events: none;
}

body::after {
  position: fixed;
  inset: -8%;
  z-index: -1;
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, 0.78) 0 1px, rgba(123, 211, 255, 0.22) 1.4px, transparent 2.6px),
    radial-gradient(circle, rgba(111, 188, 255, 0.62) 0 0.8px, transparent 2px),
    radial-gradient(circle, rgba(255, 255, 255, 0.48) 0 0.7px, transparent 1.8px);
  background-position:
    18px 34px,
    92px 128px,
    164px 58px;
  background-size:
    238px 214px,
    318px 286px,
    406px 354px;
  content: "";
  opacity: 0.32;
  pointer-events: none;
  animation:
    particle-drift 26s linear infinite,
    particle-twinkle 5.2s ease-in-out infinite;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
  font: inherit;
}

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

::selection {
  background: rgba(80, 231, 255, 0.24);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.site-header {
  position: sticky;
  top: 12px;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: min(calc(100% - 40px), var(--max-width));
  min-height: 64px;
  margin: 12px auto 0;
  padding: 5px 9px 5px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    repeating-linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.018) 0,
      rgba(255, 255, 255, 0.018) 1px,
      transparent 1px,
      transparent 7px
    ),
    rgba(10, 13, 16, 0.84);
  box-shadow:
    0 18px 48px rgba(0, 0, 0, 0.38),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(18px);
}

.header-brand {
  display: flex;
  align-items: center;
  width: 164px;
  height: 54px;
  overflow: visible;
}

.header-brand img {
  width: 158px;
  height: auto;
  filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.08));
  object-fit: contain;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.desktop-nav a {
  position: relative;
  color: var(--muted-strong);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  content: "";
  opacity: 0;
  transform: scaleX(0.4);
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.desktop-nav a:hover {
  color: #fff;
}

.desktop-nav a:hover::after {
  opacity: 1;
  transform: scaleX(1);
}

.language-switch {
  display: flex;
  justify-self: end;
  gap: 6px;
  padding: 4px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 7px;
  background: rgba(0, 0, 0, 0.36);
}

.language-switch button {
  display: flex;
  align-items: center;
  gap: 5px;
  min-height: 34px;
  padding: 0 9px;
  border: 1px solid transparent;
  border-radius: 5px;
  background: transparent;
  cursor: pointer;
  opacity: 0.55;
  transition:
    border-color 180ms ease,
    background 180ms ease,
    opacity 180ms ease;
}

.language-switch button:hover {
  opacity: 0.88;
}

.language-switch button.active {
  border-color: rgba(80, 231, 255, 0.34);
  background: linear-gradient(180deg, rgba(40, 100, 255, 0.2), rgba(40, 100, 255, 0.08));
  box-shadow: inset 0 0 18px rgba(40, 100, 255, 0.1);
  opacity: 1;
}

.language-switch button span {
  font-size: 1rem;
  line-height: 1;
}

.language-switch button small {
  color: var(--muted-strong);
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 820px);
  align-items: center;
  width: min(calc(100% - 40px), var(--max-width));
  min-height: 0;
  margin: 0 auto;
  padding: 56px 0 32px;
}

.hero-glow {
  position: absolute;
  top: 14%;
  left: 15%;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: rgba(37, 94, 255, 0.16);
  filter: blur(120px);
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 820px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  color: #8fdfff;
  font-size: 0.63rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  line-height: 1.4;
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(80, 231, 255, 0.82);
}

.hero-wordmark {
  width: min(340px, 76%);
  height: auto;
  margin: 0 0 17px -2px;
  filter: drop-shadow(0 0 0 rgba(90, 188, 255, 0));
  animation: logo-outline-arrival 1.8s cubic-bezier(0.2, 0.72, 0.18, 1) both;
}

.hero h1 {
  margin: 0;
  font-size: clamp(3rem, 4.8vw, 4.45rem);
  font-weight: 620;
  letter-spacing: -0.02em;
  line-height: 1.02;
}

.hero-title-line {
  display: block;
}

.hero-title-char {
  display: inline-block;
  margin-right: 0.025em;
  background: linear-gradient(112deg, #ffffff 0%, #edf7ff 28%, #9edcff 62%, #698cff 100%);
  background-size: 150% 100%;
  background-clip: text;
  color: transparent;
  font-style: normal;
  -webkit-background-clip: text;
  -webkit-text-stroke: 0.012em transparent;
  paint-order: stroke fill;
  animation:
    title-glyph-arrival 900ms cubic-bezier(0.2, 0.72, 0.18, 1) both,
    title-glyph-orbit 12s linear infinite;
  animation-delay:
    calc(80ms + var(--title-delay, 0ms)),
    calc(-8.4s + var(--title-delay, 0ms));
}

.hero-body {
  max-width: 680px;
  margin: 20px 0 0;
  color: var(--muted-strong);
  font-size: 0.92rem;
  line-height: 1.82;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 34px;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 6px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  min-width: 176px;
  border: 1px solid rgba(127, 222, 255, 0.7);
  background: linear-gradient(135deg, #1752e8 0%, #228eff 58%, #55e7ff 130%);
  box-shadow:
    0 12px 34px rgba(22, 91, 255, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.34);
  color: #fff;
}

.button-primary:hover {
  box-shadow:
    0 16px 42px rgba(22, 91, 255, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.38);
}

.button-secondary {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02));
  color: var(--muted-strong);
}

.button-secondary:hover {
  border-color: var(--line-strong);
  color: #fff;
}

.section {
  width: min(calc(100% - 40px), var(--max-width));
  margin: 0 auto;
  padding: 72px 0 16px;
}

html.reveal-enabled [data-reveal] {
  opacity: 0.3;
  filter: blur(9px) saturate(1.18);
  transform: scale(1.3);
  transform-origin: 50% 30%;
  transition:
    opacity 700ms ease,
    filter 900ms ease,
    transform 950ms cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, filter, transform;
}

html.reveal-enabled [data-reveal].is-visible {
  opacity: 1;
  filter: blur(0) saturate(1);
  transform: scale(1);
}

.section-heading {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 60px;
  align-items: end;
  margin-bottom: 30px;
}

.section-heading .eyebrow,
.about-intro .eyebrow,
.support-copy .eyebrow {
  margin-bottom: 14px;
}

.section-heading h2,
.about-intro h2,
.support-copy h2 {
  max-width: 790px;
  margin: 0;
  font-size: clamp(2.1rem, 3.5vw, 3.4rem);
  font-weight: 650;
  letter-spacing: -0.04em;
  line-height: 1.08;
}

.section-heading h2,
.about-intro h2 {
  background: linear-gradient(112deg, #ffffff 0%, #e8f5ff 32%, #91d7ff 68%, #738fff 100%);
  background-clip: text;
  color: transparent;
  -webkit-background-clip: text;
  text-shadow: 0 0 30px rgba(75, 159, 255, 0.08);
}

.section-heading > p {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.7;
}

.app-grid {
  display: grid;
  gap: 14px;
}

.music-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.hobby-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.app-card {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(rgba(115, 205, 255, 0.025), transparent 32%),
    repeating-linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.017) 0,
      rgba(255, 255, 255, 0.017) 1px,
      transparent 1px,
      transparent 7px
    ),
    var(--panel);
  box-shadow:
    0 26px 60px rgba(0, 0, 0, 0.26),
    inset 0 1px 0 rgba(255, 255, 255, 0.045);
  transition:
    border-color 220ms ease,
    transform 220ms ease,
    box-shadow 220ms ease;
}

.app-card:hover {
  border-color: var(--line-strong);
  box-shadow:
    0 34px 70px rgba(0, 0, 0, 0.34),
    0 0 42px rgba(26, 105, 255, 0.065),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  transform: translateY(-5px);
}

.featured-card {
  border-color: rgba(96, 182, 255, 0.2);
}

.app-visual {
  position: relative;
  min-height: 190px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 50% 70%, rgba(25, 104, 255, 0.12), transparent 50%),
    linear-gradient(135deg, #0c1115, #070a0d);
}

.app-visual::after {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 49.8%, rgba(72, 209, 255, 0.045) 50%, transparent 50.2%),
    linear-gradient(transparent 49.8%, rgba(72, 209, 255, 0.035) 50%, transparent 50.2%);
  content: "";
  pointer-events: none;
}

.visual-topline {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  color: #8293a1;
  font-size: 0.54rem;
  font-weight: 700;
  letter-spacing: 0.15em;
}

.signal-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px rgba(124, 244, 154, 0.75);
}

.bpm-readout {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 10px;
  margin-top: 4px;
}

.bpm-readout strong {
  background: linear-gradient(120deg, #f4f8ff, #7aeaff);
  background-clip: text;
  color: transparent;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 3.15rem;
  font-weight: 500;
  letter-spacing: -0.07em;
  text-shadow: 0 0 24px rgba(80, 231, 255, 0.18);
}

.bpm-readout span {
  color: #5da5ff;
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.equalizer {
  position: absolute;
  right: 22px;
  bottom: 24px;
  left: 22px;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 5px;
  height: 56px;
}

.equalizer i {
  flex: 1;
  min-width: 2px;
  border-radius: 2px;
  background: linear-gradient(to top, #245dff, #5deaff);
  box-shadow: 0 0 10px rgba(61, 158, 255, 0.16);
}

.master-meter {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-top: -2px;
}

.meter-ring {
  display: grid;
  place-items: center;
  width: 142px;
  height: 142px;
  border-radius: 50%;
  background:
    radial-gradient(circle, #090d10 55%, transparent 57%),
    conic-gradient(from -155deg, var(--blue), var(--cyan) 64%, rgba(255, 255, 255, 0.08) 64%);
  box-shadow:
    0 0 30px rgba(35, 111, 255, 0.16),
    inset 0 0 25px rgba(44, 126, 255, 0.14);
}

.meter-core {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.meter-core strong {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 1.45rem;
}

.meter-core span,
.peak-stack span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.54rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.peak-stack {
  display: flex;
  min-width: 88px;
  flex-direction: column;
}

.peak-stack strong {
  margin-top: 8px;
  color: #ccf7ff;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.82rem;
}

.peak-line {
  height: 3px;
  margin-top: 14px;
  overflow: hidden;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.08);
}

.peak-line i {
  display: block;
  width: 78%;
  height: 100%;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  box-shadow: 0 0 10px rgba(80, 231, 255, 0.4);
}

.wave-track {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 4px;
  height: 82px;
  margin: 13px 24px 0;
}

.wave-track::before {
  position: absolute;
  top: 50%;
  right: 0;
  left: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
  content: "";
}

.wave-track i {
  z-index: 1;
  flex: 1;
  border-radius: 2px;
  background: linear-gradient(to bottom, var(--cyan), var(--blue));
  box-shadow: 0 0 8px rgba(50, 142, 255, 0.16);
}

.player-controls {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 19px;
  margin-top: 15px;
  color: #8ea2b4;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.62rem;
}

.player-controls strong {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(85, 223, 255, 0.5);
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(40, 100, 255, 0.42), rgba(80, 231, 255, 0.08));
  box-shadow: 0 0 20px rgba(34, 111, 255, 0.22);
  color: #fff;
  font-size: 0.78rem;
}

.card-content {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 20px 20px 21px;
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: #79cfff;
  font-size: 0.54rem;
  font-weight: 700;
  letter-spacing: 0.13em;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 0.53rem;
  letter-spacing: 0.07em;
}

.status i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.status-live {
  color: #8cf3a2;
}

.status-live i {
  box-shadow: 0 0 8px rgba(124, 244, 154, 0.7);
}

.status-planned {
  color: #8fb7ff;
}

.status-soon {
  color: var(--amber);
}

.card-content h3 {
  margin: 13px 0 9px;
  color: #f2f6fa;
  font-size: 1.55rem;
  font-weight: 650;
  letter-spacing: -0.025em;
  line-height: 1.18;
}

.card-content > p {
  flex: 1;
  margin: 0;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.68;
}

.feature-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 16px 0 18px;
  padding: 0;
  list-style: none;
}

.feature-list li {
  padding: 6px 8px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.025);
  color: #9eabb5;
  font-size: 0.57rem;
  font-weight: 600;
}

.card-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 43px;
  padding: 0 15px;
  border: 1px solid rgba(76, 191, 255, 0.34);
  border-radius: 5px;
  background: linear-gradient(180deg, rgba(42, 112, 255, 0.15), rgba(28, 70, 120, 0.06));
  color: #dff7ff;
  font-size: 0.68rem;
  font-weight: 700;
  transition:
    background 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.card-link:not(.disabled):hover {
  border-color: rgba(98, 218, 255, 0.62);
  background: linear-gradient(180deg, rgba(42, 112, 255, 0.25), rgba(28, 70, 120, 0.09));
  box-shadow: 0 0 25px rgba(30, 113, 255, 0.12);
}

.card-link.disabled {
  border-color: rgba(255, 255, 255, 0.07);
  background: rgba(255, 255, 255, 0.02);
  color: #66727c;
  cursor: default;
}

.hobby-section {
  padding-top: 84px;
}

.hobby-card {
  display: grid;
  grid-template-columns: minmax(220px, 0.75fr) 1.25fr;
}

.hobby-card .app-visual {
  min-height: 100%;
  border-right: 1px solid var(--line);
  border-bottom: 0;
}

.number-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, 56px);
  gap: 12px;
  justify-content: center;
  margin-top: 16px;
}

.number-grid span {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border: 1px solid rgba(129, 199, 255, 0.22);
  border-radius: 50%;
  background: linear-gradient(145deg, #151d23, #090d10);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
  color: #b5c6d3;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.86rem;
}

.number-grid span.active {
  border-color: rgba(80, 231, 255, 0.7);
  box-shadow:
    0 0 20px rgba(31, 130, 255, 0.26),
    inset 0 0 18px rgba(42, 118, 255, 0.16);
  color: #fff;
}

.probability-line {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: end;
  gap: 7px;
  height: 40px;
  margin: 23px 31px 0;
}

.probability-line i {
  flex: 1;
  height: 25%;
  background: linear-gradient(to top, rgba(40, 100, 255, 0.24), var(--cyan));
}

.probability-line i:nth-child(2) {
  height: 50%;
}

.probability-line i:nth-child(3) {
  height: 92%;
}

.probability-line i:nth-child(4) {
  height: 66%;
}

.probability-line i:nth-child(5) {
  height: 38%;
}

.ar-frame {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 200px;
  height: 142px;
  margin: 19px auto 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at 50% 38%, rgba(92, 180, 255, 0.14), transparent 40%),
    linear-gradient(135deg, #111a21, #080c0f);
}

.corner {
  position: absolute;
  width: 24px;
  height: 24px;
  border-color: var(--cyan);
  filter: drop-shadow(0 0 5px rgba(80, 231, 255, 0.4));
}

.corner.tl {
  top: -2px;
  left: -2px;
  border-top: 2px solid;
  border-left: 2px solid;
}

.corner.tr {
  top: -2px;
  right: -2px;
  border-top: 2px solid;
  border-right: 2px solid;
}

.corner.bl {
  bottom: -2px;
  left: -2px;
  border-bottom: 2px solid;
  border-left: 2px solid;
}

.corner.br {
  right: -2px;
  bottom: -2px;
  border-right: 2px solid;
  border-bottom: 2px solid;
}

.ar-focus {
  display: grid;
  place-items: center;
  width: 66px;
  height: 66px;
  border: 1px solid rgba(110, 215, 255, 0.5);
  border-radius: 50%;
}

.ar-focus span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 15px var(--cyan);
}

.about-section {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 64px;
  width: min(calc(100% - 40px), var(--max-width));
  margin: 88px auto 0;
  padding: 54px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.about-intro {
  position: sticky;
  top: 118px;
  align-self: start;
}

.about-intro h2 {
  font-size: clamp(2.15rem, 3.5vw, 3.45rem);
}

.about-intro > p:last-child {
  max-width: 530px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.75;
}

.principle-grid {
  display: grid;
}

.principle-grid article {
  display: grid;
  grid-template-columns: 48px 0.72fr 1.28fr;
  gap: 18px;
  align-items: start;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.principle-grid article:first-child {
  padding-top: 4px;
}

.principle-grid article:last-child {
  border-bottom: 0;
}

.principle-grid article > span {
  color: #68baff;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.66rem;
  font-weight: 800;
}

.principle-grid h3 {
  margin: -3px 0 0;
  font-size: 1rem;
  letter-spacing: -0.03em;
}

.principle-grid p {
  margin: -3px 0 0;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.7;
}

.support-section {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 820px);
  align-items: center;
  width: min(calc(100% - 40px), var(--max-width));
  min-height: 0;
  margin: 72px auto 0;
  padding: clamp(38px, 4.5vw, 54px);
  overflow: hidden;
  border: 1px solid rgba(103, 190, 255, 0.22);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 83% 50%, rgba(37, 111, 255, 0.2), transparent 35%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.015)),
    repeating-linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.018) 0,
      rgba(255, 255, 255, 0.018) 1px,
      transparent 1px,
      transparent 7px
    ),
    #0e1317;
  box-shadow:
    0 40px 90px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.07);
}

.support-noise {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 49.9%, rgba(80, 231, 255, 0.04) 50%, transparent 50.1%),
    linear-gradient(transparent 49.9%, rgba(80, 231, 255, 0.03) 50%, transparent 50.1%);
  background-size: 38px 38px;
  mask-image: linear-gradient(90deg, transparent, black);
  pointer-events: none;
}

.support-copy {
  position: relative;
  z-index: 1;
}

.support-copy h2 {
  max-width: 680px;
  font-size: clamp(1.55rem, 2vw, 2.05rem);
  letter-spacing: -0.035em;
}

.support-copy > p:not(.eyebrow) {
  max-width: 720px;
  margin: 20px 0 0;
  color: var(--muted-strong);
  font-size: 0.82rem;
  line-height: 1.75;
}

.support-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 20px;
  padding: 9px 11px;
  border: 1px solid rgba(233, 184, 95, 0.3);
  border-radius: 5px;
  background: rgba(233, 184, 95, 0.06);
  color: #e8c481;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.support-badge i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 10px rgba(233, 184, 95, 0.58);
}

footer {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  width: min(calc(100% - 40px), var(--max-width));
  margin: 0 auto;
  padding: 52px 0 32px;
  color: #65727d;
  font-size: 0.6rem;
}

footer p {
  margin: 0;
  letter-spacing: 0.08em;
}

footer > span {
  justify-self: end;
}

.privacy-settings {
  grid-column: 1 / -1;
  justify-self: end;
  margin-top: 12px;
  padding: 0;
  border: 0;
  background: transparent;
  color: #74818c;
  cursor: pointer;
  font-size: 0.58rem;
  letter-spacing: 0.04em;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.privacy-settings:hover {
  color: var(--muted-strong);
}

.consent-banner {
  position: fixed;
  bottom: 18px;
  left: 50%;
  z-index: 100;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  width: min(calc(100% - 32px), 900px);
  padding: 18px 20px;
  border: 1px solid rgba(124, 206, 255, 0.24);
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(18, 25, 34, 0.97), rgba(8, 12, 17, 0.98));
  box-shadow:
    0 24px 70px rgba(0, 0, 0, 0.58),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  transform: translateX(-50%);
  backdrop-filter: blur(18px);
}

.consent-banner[hidden] {
  display: none;
}

.consent-copy strong {
  display: block;
  margin-bottom: 6px;
  color: var(--foreground);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

.consent-copy p {
  max-width: 630px;
  margin: 0;
  color: var(--muted-strong);
  font-size: 0.68rem;
  line-height: 1.7;
}

.consent-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.consent-button {
  min-height: 40px;
  padding: 0 15px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.66rem;
  font-weight: 700;
  white-space: nowrap;
}

.consent-deny {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
  color: var(--muted-strong);
}

.consent-accept {
  border: 1px solid rgba(127, 222, 255, 0.65);
  background: linear-gradient(135deg, #1752e8, #2da9ff);
  box-shadow: 0 10px 26px rgba(22, 91, 255, 0.28);
  color: #fff;
}

.consent-button:hover {
  border-color: rgba(124, 206, 255, 0.5);
}

@keyframes logo-outline-arrival {
  0% {
    opacity: 0;
    filter:
      blur(8px)
      drop-shadow(0 0 24px rgba(99, 200, 255, 0.95))
      drop-shadow(0 0 58px rgba(54, 104, 255, 0.72));
    transform: translateY(7px) scale(0.992);
  }

  48% {
    opacity: 1;
    filter:
      blur(0)
      drop-shadow(0 0 13px rgba(149, 225, 255, 0.76))
      drop-shadow(0 0 34px rgba(66, 121, 255, 0.48));
  }

  100% {
    opacity: 1;
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.08));
    transform: translateY(0) scale(1);
  }
}

@keyframes title-glyph-arrival {
  0% {
    opacity: 0;
    transform: translateY(0.12em);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes title-glyph-orbit {
  0%,
  69.5%,
  73.5%,
  100% {
    color: transparent;
    -webkit-text-stroke-color: transparent;
    filter: brightness(1);
    text-shadow: 0 0 0 transparent;
  }

  70% {
    color: #fff;
    -webkit-text-stroke-color: rgba(190, 250, 255, 0.92);
    filter: brightness(1.28);
    text-shadow:
      -0.07em 0 0.16em rgba(44, 216, 239, 0.95),
      0 0 0.28em rgba(44, 216, 239, 0.48);
  }

  70.8% {
    color: #fff;
    -webkit-text-stroke-color: rgba(224, 254, 255, 1);
    filter: brightness(1.34);
    text-shadow:
      0 -0.07em 0.16em rgba(44, 216, 239, 1),
      0 0 0.34em rgba(44, 216, 239, 0.58);
  }

  71.6% {
    color: #fff;
    -webkit-text-stroke-color: rgba(190, 250, 255, 0.92);
    filter: brightness(1.28);
    text-shadow:
      0.07em 0 0.16em rgba(44, 216, 239, 0.95),
      0 0 0.28em rgba(44, 216, 239, 0.48);
  }

  72.4% {
    color: #fff;
    -webkit-text-stroke-color: rgba(185, 249, 255, 0.88);
    filter: brightness(1.22);
    text-shadow:
      0 0.07em 0.16em rgba(44, 216, 239, 0.88),
      0 0 0.24em rgba(44, 216, 239, 0.42);
  }

  73% {
    color: transparent;
    -webkit-text-stroke-color: rgba(146, 237, 247, 0.34);
    filter: brightness(1.08);
    text-shadow: 0 0 0.18em rgba(44, 216, 239, 0.34);
  }
}

@keyframes particle-drift {
  to {
    background-position:
      92px 178px,
      18px 24px,
      266px 206px;
  }
}

@keyframes particle-twinkle {
  0%,
  100% {
    opacity: 0.2;
  }

  50% {
    opacity: 0.42;
  }
}

@media (max-width: 1020px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 68px;
  }

  .hero-copy {
    max-width: 760px;
  }

  .music-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .music-grid .app-card:last-child {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
  }

  .music-grid .app-card:last-child .app-visual {
    min-height: 100%;
    border-right: 1px solid var(--line);
    border-bottom: 0;
  }

  .hobby-card {
    grid-template-columns: 1fr;
  }

  .hobby-card .app-visual {
    min-height: 190px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .about-section {
    grid-template-columns: 1fr;
  }

  .about-intro {
    position: static;
  }
}

@media (max-width: 760px) {
  .site-header {
    top: 8px;
    grid-template-columns: 1fr auto;
    width: min(calc(100% - 24px), var(--max-width));
    min-height: 58px;
    margin-top: 8px;
    padding-left: 12px;
  }

  .header-brand {
    width: 138px;
    height: 46px;
  }

  .header-brand img {
    width: 134px;
  }

  .desktop-nav {
    display: none;
  }

  .language-switch {
    grid-column: 2;
  }

  .language-switch button {
    min-height: 34px;
    padding: 0 7px;
  }

  .language-switch button small {
    display: none;
  }

  .hero,
  .section,
  .about-section,
  .support-section,
  footer {
    width: min(calc(100% - 24px), var(--max-width));
  }

  .hero {
    min-height: 0;
    gap: 46px;
    padding: 58px 0 24px;
  }

  .hero-glow {
    left: 0;
    width: 100%;
  }

  .hero-wordmark {
    width: min(270px, 78vw);
    margin: 0 0 14px -2px;
  }

  .hero h1 {
    font-size: clamp(2.55rem, 12vw, 3.6rem);
    line-height: 1;
  }

  .hero-body {
    font-size: 0.82rem;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .section {
    padding-top: 66px;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 30px;
  }

  .section-heading h2,
  .about-intro h2 {
    font-size: clamp(2.1rem, 9vw, 2.8rem);
  }

  .support-copy h2 {
    font-size: clamp(1.5rem, 5vw, 1.85rem);
  }

  .music-grid,
  .hobby-grid {
    grid-template-columns: 1fr;
  }

  .music-grid .app-card:last-child,
  .hobby-card {
    grid-column: auto;
    display: flex;
  }

  .music-grid .app-card:last-child .app-visual,
  .hobby-card .app-visual {
    min-height: 190px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .about-section {
    gap: 38px;
    margin-top: 66px;
    padding: 48px 0;
  }

  .principle-grid article {
    grid-template-columns: 42px 1fr;
  }

  .principle-grid p {
    grid-column: 2;
  }

  .support-section {
    grid-template-columns: 1fr;
    min-height: 0;
    margin-top: 60px;
    padding: 38px 20px;
  }

  footer {
    grid-template-columns: 1fr;
    gap: 10px;
    padding-top: 46px;
    text-align: left;
  }

  footer > span {
    justify-self: start;
  }

  .privacy-settings {
    justify-self: start;
  }

  .consent-banner {
    bottom: 12px;
    grid-template-columns: 1fr;
    gap: 14px;
    width: min(calc(100% - 24px), 900px);
    padding: 16px;
  }

  .consent-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .consent-button {
    width: 100%;
    padding: 0 10px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  html.reveal-enabled [data-reveal] {
    opacity: 1;
    filter: none;
    transform: none;
  }
}