:root {
  color-scheme: dark;
  --bg: #080913;
  --bg-deep: #05060d;
  --surface: rgba(18, 18, 35, 0.72);
  --surface-strong: #151527;
  --surface-soft: rgba(255, 255, 255, 0.055);
  --line: rgba(255, 255, 255, 0.11);
  --line-bright: rgba(255, 255, 255, 0.2);
  --text: #f6f3ff;
  --muted: #b7b2c8;
  --muted-strong: #d0cada;
  --violet: #9f7cff;
  --violet-strong: #7857ff;
  --pink: #ff72b6;
  --cyan: #76e7ef;
  --success: #91f1c8;
  --shadow: 0 28px 90px rgba(2, 2, 11, 0.5);
  --shadow-soft: 0 16px 50px rgba(2, 2, 11, 0.28);
  --radius-sm: 14px;
  --radius-md: 22px;
  --radius-lg: 34px;
  --container: 1180px;
  --header-height: 76px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 18px);
  background: var(--bg-deep);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 8%, rgba(98, 69, 196, 0.18), transparent 34rem),
    radial-gradient(circle at 90% 34%, rgba(255, 98, 176, 0.08), transparent 30rem),
    linear-gradient(180deg, #090a15 0%, #070811 54%, #05060c 100%);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

.button svg,
.scroll-cue svg,
.icon-wrap svg,
.step-icon svg,
.install-note svg,
.concept-note svg,
.text-link svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

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

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

button {
  font: inherit;
}

::selection {
  color: #fff;
  background: rgba(149, 106, 255, 0.72);
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  color: #11101b;
  background: #fff;
  border-radius: 10px;
  transform: translateY(-150%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 4px;
}

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  height: var(--header-height);
  border-bottom: 1px solid transparent;
  transition: background-color 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.site-header.is-scrolled,
.site-header.is-menu-open {
  border-color: rgba(255, 255, 255, 0.08);
  background: rgba(7, 8, 17, 0.82);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(18px) saturate(130%);
  -webkit-backdrop-filter: blur(18px) saturate(130%);
}

.nav-shell {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 24px;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  font-size: 17px;
  font-weight: 720;
  letter-spacing: 0.02em;
}

.brand img,
.brand-mark {
  width: 34px;
  height: 34px;
  filter: drop-shadow(0 5px 16px rgba(168, 102, 255, 0.35));
}

.brand-wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 1px;
}

.brand-wordmark .brand-accent,
.brand em {
  color: #d9cbff;
  font-style: normal;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-menu a:not(.button) {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 14px;
  color: var(--muted-strong);
  border-radius: 12px;
  font-size: 14px;
  transition: color 180ms ease, background-color 180ms ease;
}

.nav-menu a:not(.button):hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.menu-toggle {
  display: none;
  position: relative;
  width: 46px;
  height: 46px;
  padding: 0;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
  position: absolute;
  left: 13px;
  width: 18px;
  height: 2px;
  border-radius: 9px;
  background: currentColor;
  content: "";
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-toggle::before {
  top: 15px;
}

.menu-toggle span {
  top: 21px;
}

.menu-toggle::after {
  top: 27px;
}

.menu-toggle[aria-expanded="true"]::before {
  top: 21px;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"]::after {
  top: 21px;
  transform: rotate(-45deg);
}

.button {
  display: inline-flex;
  position: relative;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 12px 22px;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.01em;
  cursor: pointer;
  isolation: isolate;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.button svg {
  width: 19px;
  height: 19px;
  margin-left: 9px;
}

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

.button-primary {
  color: #fff;
  background: linear-gradient(120deg, var(--violet-strong), #a65ee7 50%, #e45eab);
  box-shadow: 0 14px 34px rgba(113, 73, 255, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.28);
}

.button-primary::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  background: linear-gradient(120deg, #8d72ff, #d66ccb 58%, #ff72b6);
  opacity: 0;
  content: "";
  transition: opacity 180ms ease;
}

.button-primary:hover::before {
  opacity: 1;
}

.button-secondary {
  color: var(--text);
  border-color: var(--line-bright);
  background: rgba(255, 255, 255, 0.055);
  backdrop-filter: blur(10px);
}

.button-secondary:hover {
  border-color: rgba(189, 164, 255, 0.48);
  background: rgba(255, 255, 255, 0.09);
}

.button-small {
  min-height: 42px;
  padding: 9px 17px;
  font-size: 14px;
}

.hero {
  position: relative;
  min-height: min(930px, 100svh);
  padding: calc(var(--header-height) + 96px) 0 92px;
  overflow: hidden;
  isolation: isolate;
}

.hero::before {
  position: absolute;
  z-index: -4;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(6, 7, 15, 0.97) 0%, rgba(6, 7, 15, 0.78) 32%, rgba(6, 7, 15, 0.16) 64%, rgba(6, 7, 15, 0.08) 100%),
    linear-gradient(0deg, var(--bg) 0%, transparent 28%),
    url("../images/hero-night-mirror.webp") center / cover no-repeat;
  content: "";
}

.hero::after {
  position: absolute;
  z-index: -3;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
  content: "";
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(340px, 0.78fr);
  align-items: center;
  min-height: 660px;
  gap: clamp(32px, 7vw, 92px);
}

.hero-copy {
  max-width: 680px;
}

.eyebrow,
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 20px;
  color: #d9ceff;
  font-size: 13px;
  font-weight: 780;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow::before,
.kicker::before {
  width: 24px;
  height: 1px;
  background: linear-gradient(90deg, var(--pink), var(--violet));
  box-shadow: 0 0 12px var(--pink);
  content: "";
}

.hero-title {
  max-width: 760px;
  margin: 0;
  font-size: clamp(50px, 7.1vw, 96px);
  font-weight: 760;
  line-height: 0.99;
  letter-spacing: -0.055em;
  text-wrap: balance;
}

.hero-title .gradient-text,
.gradient-text {
  color: transparent;
  background: linear-gradient(120deg, #fff 6%, #d9ccff 41%, #ff9fce 82%);
  background-clip: text;
  -webkit-background-clip: text;
}

.hero-title em {
  color: transparent;
  background: linear-gradient(120deg, #fff 6%, #d9ccff 41%, #ff9fce 82%);
  background-clip: text;
  -webkit-background-clip: text;
  font-style: normal;
}

.hero-lede {
  max-width: 590px;
  margin: 28px 0 0;
  color: var(--muted-strong);
  font-size: clamp(17px, 1.7vw, 20px);
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  margin-top: 36px;
}

.hero-note {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
  color: var(--muted);
  font-size: 13px;
}

.hero-note::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 12px rgba(145, 241, 200, 0.7);
  content: "";
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.hero-meta span {
  color: var(--pink);
  text-shadow: 0 0 14px rgba(255, 114, 182, 0.7);
}

.hero-art {
  display: flex;
  position: relative;
  align-items: center;
  justify-content: center;
  min-height: 560px;
}

.hero-art,
.phone-wrap {
  margin: 0;
}

.hero-frame {
  position: relative;
  width: min(520px, 100%);
  padding: 9px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 34px;
  background: rgba(15, 14, 30, 0.42);
  box-shadow: 0 34px 100px rgba(0, 0, 0, 0.44), 0 0 56px rgba(197, 103, 255, 0.12);
  transform: rotate(2deg);
  backdrop-filter: blur(10px);
}

.hero-frame img {
  width: 100%;
  height: clamp(390px, 46vw, 560px);
  border-radius: 26px;
  object-fit: cover;
  object-position: 74% center;
}

.hero-frame-line {
  position: absolute;
  inset: 23px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 19px;
  pointer-events: none;
}

.hero-art figcaption {
  position: absolute;
  right: -8px;
  bottom: 34px;
  max-width: 230px;
  padding: 13px 16px;
  color: var(--muted-strong);
  border: 1px solid var(--line);
  border-radius: 15px;
  background: rgba(9, 10, 20, 0.78);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
  font-size: 12px;
}

.hero-art figcaption span {
  display: block;
  margin-bottom: 2px;
  color: #fff;
  font-size: 10px;
  font-weight: 760;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-image {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.hero-glow {
  position: absolute;
  width: min(42vw, 520px);
  aspect-ratio: 1;
  border: 1px solid rgba(255, 194, 229, 0.32);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 150, 210, 0.14), rgba(135, 85, 255, 0.06) 46%, transparent 70%);
  box-shadow: 0 0 80px rgba(196, 107, 255, 0.16), inset 0 0 40px rgba(255, 255, 255, 0.06);
  animation: breathe 7s ease-in-out infinite;
}

.hero-badge,
.art-badge {
  position: absolute;
  right: 2%;
  bottom: 8%;
  max-width: 250px;
  padding: 14px 17px;
  color: var(--muted-strong);
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(9, 10, 20, 0.64);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
  font-size: 13px;
}

.hero-badge strong,
.art-badge strong {
  display: block;
  margin-bottom: 3px;
  color: #fff;
  font-size: 14px;
}

.scroll-cue {
  display: flex;
  position: absolute;
  bottom: 28px;
  left: 50%;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.48);
  font-size: 12px;
  letter-spacing: 0.13em;
  transform: translateX(-50%);
}

.scroll-cue::before {
  width: 1px;
  height: 34px;
  background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.54));
  content: "";
}

.scroll-cue svg {
  width: 17px;
  height: 17px;
}

.section {
  position: relative;
  padding: clamp(86px, 10vw, 140px) 0;
}

.section-soft {
  border-block: 1px solid rgba(255, 255, 255, 0.055);
  background: rgba(255, 255, 255, 0.018);
}

.section-heading {
  max-width: 710px;
  margin-bottom: 50px;
}

.section-heading.center {
  margin-inline: auto;
  text-align: center;
}

.section-heading.center .kicker {
  justify-content: center;
}

.section-heading-centered {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-heading-centered .kicker {
  justify-content: center;
}

.section-title {
  margin: 0;
  font-size: clamp(34px, 4.4vw, 58px);
  font-weight: 730;
  line-height: 1.12;
  letter-spacing: -0.038em;
  text-wrap: balance;
}

.section-copy {
  margin: 19px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  position: relative;
  min-height: 290px;
  padding: 32px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.018)),
    var(--surface);
  box-shadow: var(--shadow-soft);
  transition: transform 220ms ease, border-color 220ms ease, background-color 220ms ease;
}

.feature-card::after {
  position: absolute;
  right: -65px;
  bottom: -100px;
  width: 210px;
  height: 210px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(141, 91, 255, 0.17), transparent 70%);
  content: "";
}

.feature-card:nth-child(2)::after {
  background: radial-gradient(circle, rgba(255, 94, 177, 0.14), transparent 70%);
}

.feature-card:nth-child(3)::after {
  background: radial-gradient(circle, rgba(92, 224, 238, 0.12), transparent 70%);
}

.feature-card:hover {
  border-color: rgba(189, 165, 255, 0.28);
  transform: translateY(-5px);
}

.icon-wrap {
  display: grid;
  width: 52px;
  height: 52px;
  margin-bottom: 58px;
  place-items: center;
  color: #e2d7ff;
  border: 1px solid rgba(202, 183, 255, 0.19);
  border-radius: 17px;
  background: linear-gradient(145deg, rgba(153, 109, 255, 0.2), rgba(255, 111, 182, 0.08));
}

.icon-wrap svg {
  width: 25px;
  height: 25px;
}

.feature-card h3 {
  margin: 0 0 10px;
  font-size: 21px;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
}

.feature-index {
  position: absolute;
  top: 30px;
  right: 30px;
  color: rgba(255, 255, 255, 0.34) !important;
  font-size: 12px;
  font-weight: 760;
  letter-spacing: 0.16em;
}

.preview-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.88fr) minmax(0, 1.12fr);
  align-items: center;
  gap: clamp(48px, 8vw, 110px);
}

.phone-wrap {
  display: grid;
  position: relative;
  min-height: 650px;
  place-items: center;
}

.phone-wrap::before,
.phone-wrap::after {
  position: absolute;
  border-radius: 50%;
  content: "";
  filter: blur(2px);
}

.phone-wrap::before {
  width: 430px;
  height: 430px;
  background: radial-gradient(circle, rgba(140, 91, 255, 0.2), rgba(255, 100, 181, 0.07) 42%, transparent 70%);
}

.phone-wrap::after {
  width: 290px;
  height: 62px;
  bottom: 18px;
  background: rgba(78, 50, 157, 0.28);
  filter: blur(26px);
}

.phone {
  position: relative;
  z-index: 1;
  width: min(330px, 78vw);
  aspect-ratio: 0.485;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 48px;
  background: linear-gradient(145deg, #39384a, #101018 30%, #07070d 70%, #302c40);
  box-shadow: 0 38px 90px rgba(0, 0, 0, 0.58), inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  transform: perspective(1200px) rotateY(8deg) rotateX(2deg);
}

.phone::before {
  position: absolute;
  z-index: 4;
  top: 18px;
  left: 50%;
  width: 88px;
  height: 25px;
  border-radius: 999px;
  background: #030307;
  content: "";
  transform: translateX(-50%);
}

.phone-screen,
.mock-screen {
  position: relative;
  height: 100%;
  padding: 54px 21px 24px;
  overflow: hidden;
  border-radius: 39px;
  background:
    radial-gradient(circle at 75% 14%, rgba(255, 110, 185, 0.21), transparent 34%),
    linear-gradient(180deg, #18162b 0%, #0c0c18 100%);
}

.mock-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.mock-brand {
  font-size: 14px;
  font-weight: 750;
  letter-spacing: 0.02em;
}

.mock-avatar {
  width: 28px;
  height: 28px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
  background: linear-gradient(135deg, var(--violet), var(--pink));
}

.mock-hero {
  position: relative;
  height: 180px;
  margin-bottom: 21px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 22px;
  background:
    linear-gradient(180deg, transparent 38%, rgba(6, 6, 14, 0.82)),
    url("../images/hero-night-mirror.webp") 72% center / auto 100% no-repeat;
}

.mock-hero::after {
  position: absolute;
  right: 16px;
  bottom: 16px;
  left: 16px;
  height: 32px;
  border-radius: 7px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.68) 0 42%, transparent 42% 100%);
  opacity: 0.4;
  content: "";
}

.mock-label {
  margin: 0 0 12px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 12px;
  font-weight: 700;
}

.mock-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 9px;
}

.mock-cover {
  aspect-ratio: 0.72;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  background:
    linear-gradient(180deg, transparent, rgba(5, 5, 12, 0.78)),
    linear-gradient(135deg, #292650, #75458a 58%, #d276aa);
}

.mock-cover:nth-child(2) {
  background: linear-gradient(135deg, #172d3d, #316f82 58%, #8ee3dd);
}

.mock-cover:nth-child(3) {
  background: linear-gradient(135deg, #38213f, #884a6e 58%, #ef9bba);
}

.mock-lines {
  display: grid;
  gap: 9px;
  margin-top: 22px;
}

.mock-line {
  height: 9px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.08);
}

.mock-line:nth-child(1) {
  width: 72%;
}

.mock-line:nth-child(2) {
  width: 53%;
}

.mock-status,
.mock-header,
.mock-section-title,
.mock-dock {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mock-status {
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.54);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.mock-status-icons {
  letter-spacing: 0.12em;
}

.mock-header {
  margin-bottom: 18px;
}

.mock-header small,
.mock-feature-copy small {
  display: block;
  color: #bca8ff;
  font-size: 8px;
  font-weight: 750;
  letter-spacing: 0.17em;
}

.mock-header strong {
  display: block;
  margin-top: 3px;
  font-size: 15px;
}

.mock-orb {
  width: 28px;
  height: 28px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #ffd1e9, #b369e9 45%, #3c2567 70%);
  box-shadow: 0 0 17px rgba(210, 105, 255, 0.32);
}

.mock-feature {
  display: grid;
  position: relative;
  grid-template-columns: 72px 1fr;
  align-items: center;
  min-height: 158px;
  margin-bottom: 19px;
  padding: 18px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 22px;
  background:
    radial-gradient(circle at 18% 38%, rgba(246, 158, 218, 0.2), transparent 34%),
    linear-gradient(145deg, #24204a, #15122b 58%, #27172d);
}

.mock-feature::after {
  position: absolute;
  right: -32px;
  bottom: -50px;
  width: 140px;
  height: 140px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  content: "";
}

.mock-moon {
  width: 55px;
  height: 55px;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 28%, #fff9ff, #ebb9e5 30%, #947ad3 65%, #3a315f);
  box-shadow: 0 0 26px rgba(244, 176, 225, 0.28);
}

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

.mock-feature-copy strong {
  display: block;
  margin: 7px 0 11px;
  font-size: 15px;
  line-height: 1.35;
}

.mock-feature-copy span {
  color: rgba(255, 255, 255, 0.66);
  font-size: 9px;
}

.mock-section-title {
  margin-bottom: 11px;
  font-size: 10px;
}

.mock-section-title span {
  color: rgba(255, 255, 255, 0.38);
  font-size: 8px;
}

.mock-covers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.mock-cover span {
  display: block;
  width: 56%;
  height: 5px;
  margin: calc(100% + 20px) 8px 0;
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.34);
}

.mock-progress {
  display: flex;
  gap: 5px;
  margin: 27px 0 19px;
}

.mock-progress span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
}

.mock-progress span:first-child {
  width: 18px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--violet), var(--pink));
}

.mock-dock {
  justify-content: space-around;
  height: 36px;
  padding: 0 25px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 15px;
  background: rgba(0, 0, 0, 0.16);
}

.mock-dock span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.24);
}

.mock-dock span.is-active {
  background: var(--pink);
  box-shadow: 0 0 9px rgba(255, 114, 182, 0.7);
}

.concept-note {
  position: absolute;
  z-index: 2;
  right: -18px;
  bottom: 68px;
  padding: 10px 14px;
  color: var(--muted-strong);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(10, 10, 21, 0.82);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(14px);
  font-size: 12px;
}

.preview-copy .section-copy {
  max-width: 590px;
}

.preview-copy {
  position: relative;
}

.preview-points {
  display: grid;
  gap: 17px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.preview-points li {
  display: grid;
  grid-template-columns: 29px 1fr;
  align-items: start;
  gap: 14px;
}

.point-mark {
  display: grid;
  width: 28px;
  height: 28px;
  margin-top: 2px;
  place-items: center;
  border: 1px solid rgba(174, 146, 255, 0.25);
  border-radius: 50%;
  background: rgba(138, 91, 255, 0.12);
}

.point-mark::after {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--violet), var(--pink));
  box-shadow: 0 0 9px rgba(255, 114, 182, 0.5);
  content: "";
}

.preview-points strong {
  display: block;
  margin-bottom: 2px;
  color: var(--text);
}

.preview-points small {
  display: block;
  color: var(--muted);
  font-size: 14px;
}

.preview-copy > .concept-note {
  display: inline-flex;
  position: static;
  align-items: center;
  gap: 9px;
  margin: 28px 0 0;
  padding: 10px 13px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.035);
  box-shadow: none;
  backdrop-filter: none;
}

.preview-copy > .concept-note svg {
  width: 18px;
  height: 18px;
  color: var(--cyan);
}

.principles {
  display: grid;
  gap: 16px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.principles li {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 14px;
  color: var(--muted);
}

.principles li::before {
  display: grid;
  width: 29px;
  height: 29px;
  margin-top: 1px;
  place-items: center;
  color: #ece5ff;
  border: 1px solid rgba(174, 146, 255, 0.25);
  border-radius: 50%;
  background: rgba(138, 91, 255, 0.12);
  content: "✓";
  font-size: 13px;
  font-weight: 800;
}

.principles strong {
  display: block;
  margin-bottom: 3px;
  color: var(--text);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  counter-reset: install-step;
  margin: 0;
  padding: 0;
  list-style: none;
}

.step-card {
  position: relative;
  min-height: 245px;
  padding: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  border-right: 1px solid rgba(255, 255, 255, 0.07);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  border-left: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.026);
  counter-increment: install-step;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin-bottom: 40px;
  color: #efeaff;
  border: 1px solid rgba(190, 166, 255, 0.22);
  border-radius: 15px;
  background: linear-gradient(145deg, rgba(131, 86, 255, 0.2), rgba(255, 112, 185, 0.06));
  font-weight: 800;
}

.step-card h3 {
  margin: 0 0 10px;
  font-size: 20px;
}

.step-card p {
  margin: 0;
  color: var(--muted);
}

.step-icon {
  position: absolute;
  top: 31px;
  right: 30px;
  color: rgba(226, 215, 255, 0.68);
}

.step-icon svg {
  width: 29px;
  height: 29px;
}

.install-note {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  max-width: 790px;
  margin: 28px auto 0;
  padding: 18px 20px;
  color: var(--muted-strong);
  border: 1px solid rgba(118, 231, 239, 0.13);
  border-radius: 16px;
  background: rgba(84, 202, 214, 0.055);
  font-size: 14px;
}

.install-note svg {
  flex: 0 0 auto;
  width: 21px;
  height: 21px;
  margin-top: 2px;
  color: var(--cyan);
}

.install-note p {
  margin: 0;
}

.install-note strong {
  color: var(--text);
}

.security-note {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  max-width: 790px;
  margin: 28px auto 0;
  padding: 18px 20px;
  color: var(--muted-strong);
  border: 1px solid rgba(118, 231, 239, 0.13);
  border-radius: 16px;
  background: rgba(84, 202, 214, 0.055);
  font-size: 14px;
}

.security-note svg {
  flex: 0 0 auto;
  width: 21px;
  height: 21px;
  margin-top: 2px;
  color: var(--cyan);
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
  border-top: 1px solid var(--line);
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  align-items: start;
  gap: clamp(48px, 8vw, 110px);
}

.faq-layout .faq-list {
  width: 100%;
  max-width: none;
  margin: 0;
}

.faq-intro {
  position: sticky;
  top: calc(var(--header-height) + 40px);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  color: #dbcfff;
  font-weight: 700;
}

.text-link svg {
  width: 18px;
  height: 18px;
  transition: transform 180ms ease;
}

.text-link:hover svg {
  transform: translateX(4px);
}

.faq-toggle {
  display: block;
  position: relative;
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  margin-left: 24px;
  color: #d6c9ff;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: transform 180ms ease, background-color 180ms ease;
}

.faq-toggle::before,
.faq-toggle::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 11px;
  height: 1.5px;
  border-radius: 2px;
  background: currentColor;
  content: "";
  transform: translate(-50%, -50%);
}

.faq-toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary,
.faq-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 84px;
  padding: 20px 0;
  color: var(--text);
  border: 0;
  background: transparent;
  cursor: pointer;
  font-size: 18px;
  font-weight: 680;
  list-style: none;
  text-align: left;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item[open] .faq-toggle {
  background: rgba(145, 100, 255, 0.12);
  transform: rotate(45deg);
}

.faq-answer {
  max-width: 720px;
  padding: 0 52px 26px 0;
  color: var(--muted);
}

.faq-answer p {
  margin: 0;
}

.final-cta {
  padding-top: 40px;
  padding-bottom: clamp(90px, 12vw, 160px);
}

.cta-panel {
  position: relative;
  padding: clamp(42px, 7vw, 84px);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 80% 18%, rgba(255, 106, 182, 0.19), transparent 34%),
    radial-gradient(circle at 10% 100%, rgba(119, 83, 255, 0.22), transparent 44%),
    linear-gradient(140deg, rgba(28, 25, 53, 0.96), rgba(11, 11, 23, 0.96));
  box-shadow: var(--shadow);
}

.cta-panel::before {
  position: absolute;
  top: -120px;
  right: -60px;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 80px rgba(202, 104, 255, 0.11), inset 0 0 60px rgba(255, 255, 255, 0.03);
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 690px;
}

.cta-panel h2 {
  margin: 0;
  font-size: clamp(36px, 5vw, 66px);
  line-height: 1.06;
  letter-spacing: -0.045em;
}

.cta-panel p {
  max-width: 590px;
  margin: 21px 0 30px;
  color: var(--muted-strong);
  font-size: 17px;
}

.cta-mark {
  display: grid;
  width: 74px;
  height: 74px;
  margin-bottom: 36px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 23px;
  background: rgba(255, 255, 255, 0.055);
}

.cta-mark img {
  width: 58px;
  height: 58px;
}

.cta-panel > small {
  display: block;
  margin-top: 14px;
  color: var(--muted);
}

.button-large {
  min-height: 56px;
  padding: 15px 26px;
}

.site-footer {
  padding: 34px 0 42px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  color: var(--muted);
  background: rgba(2, 3, 8, 0.36);
  font-size: 13px;
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-brand {
  color: var(--text);
  font-weight: 720;
}

.footer-note {
  max-width: 520px;
  margin: 0;
  text-align: right;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
}

.footer-links a {
  min-height: 40px;
  padding: 8px 0;
}

.footer-links a:hover {
  color: var(--text);
}

.footer-grid > p {
  margin: 0;
  color: var(--muted-strong);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.055);
  color: rgba(255, 255, 255, 0.42);
}

.footer-bottom p {
  margin: 0;
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 650ms ease, transform 650ms cubic-bezier(0.22, 1, 0.36, 1);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes breathe {
  0%, 100% {
    opacity: 0.72;
    transform: scale(0.96);
  }
  50% {
    opacity: 1;
    transform: scale(1.03);
  }
}

@media (max-width: 1040px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(260px, 0.62fr);
    gap: 28px;
  }

  .hero-art {
    min-height: 460px;
  }

  .feature-card {
    min-height: 310px;
    padding: 27px;
  }

  .preview-grid {
    gap: 48px;
  }
}

@media (max-width: 799px) {
  :root {
    --header-height: 68px;
  }

  .container {
    width: min(calc(100% - 30px), var(--container));
  }

  .menu-toggle {
    display: block;
  }

  .nav-menu {
    display: grid;
    position: fixed;
    top: var(--header-height);
    right: 15px;
    left: 15px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: rgba(10, 11, 22, 0.96);
    box-shadow: var(--shadow);
    backdrop-filter: blur(20px);
    opacity: 0;
    transform: translateY(-12px) scale(0.98);
    visibility: hidden;
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
  }

  .nav-menu.is-open {
    opacity: 1;
    transform: translateY(0) scale(1);
    visibility: visible;
  }

  .nav-menu a:not(.button) {
    min-height: 48px;
    padding-inline: 15px;
  }

  .nav-menu .button {
    margin-top: 5px;
  }

  .hero {
    min-height: auto;
    padding: calc(var(--header-height) + 76px) 0 94px;
  }

  .hero::before {
    background:
      linear-gradient(180deg, rgba(6, 7, 15, 0.77) 0%, rgba(6, 7, 15, 0.44) 39%, rgba(6, 7, 15, 0.92) 78%, var(--bg) 100%),
      url("../images/hero-night-mirror.webp") 68% top / auto 57% no-repeat;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    min-height: auto;
    gap: 50px;
  }

  .hero-copy {
    position: relative;
    z-index: 2;
  }

  .hero-art {
    min-height: 300px;
    order: -1;
  }

  .hero-frame {
    width: min(390px, 86vw);
  }

  .hero-frame img {
    height: 278px;
  }

  .hero-art figcaption {
    right: 0;
    bottom: 5px;
  }

  .hero-glow {
    width: min(80vw, 370px);
  }

  .hero-badge,
  .art-badge {
    right: 0;
    bottom: 0;
  }

  .scroll-cue {
    display: none;
  }

  .feature-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .feature-card {
    min-height: 250px;
  }

  .icon-wrap {
    margin-bottom: 40px;
  }

  .preview-grid {
    grid-template-columns: 1fr;
  }

  .phone-wrap {
    min-height: 620px;
    order: 2;
  }

  .phone {
    transform: none;
  }

  .faq-layout {
    grid-template-columns: 1fr;
  }

  .faq-intro {
    position: static;
  }

  .concept-note {
    right: calc(50% - 172px);
  }
}

@media (max-width: 520px) {
  .container {
    width: min(calc(100% - 24px), var(--container));
  }

  .brand {
    gap: 9px;
    font-size: 15px;
  }

  .brand img,
  .brand-mark {
    width: 31px;
    height: 31px;
  }

  .hero {
    padding-top: calc(var(--header-height) + 56px);
  }

  .hero-grid {
    min-height: auto;
  }

  .hero-art {
    min-height: 250px;
  }

  .hero-frame img {
    height: 225px;
  }

  .hero-art figcaption {
    display: none;
  }

  .hero-title {
    font-size: clamp(44px, 14vw, 62px);
  }

  .hero-lede {
    margin-top: 22px;
    font-size: 16px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    margin-top: 28px;
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-badge,
  .art-badge {
    display: none;
  }

  .section {
    padding-block: 82px;
  }

  .section-heading {
    margin-bottom: 36px;
  }

  .section-copy {
    font-size: 16px;
  }

  .feature-card,
  .step-card {
    padding: 25px;
  }

  .phone-wrap {
    min-height: 570px;
  }

  .phone {
    width: 282px;
  }

  .concept-note {
    right: calc(50% - 140px);
    bottom: 50px;
  }

  .faq-item summary,
  .faq-trigger {
    min-height: 76px;
    font-size: 16px;
  }

  .faq-answer {
    padding-right: 0;
  }

  .cta-panel {
    padding: 38px 25px;
    border-radius: 25px;
  }

  .cta-panel .button {
    width: 100%;
  }

  .footer-grid {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-links {
    width: 100%;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-note {
    text-align: left;
  }
}

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

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

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-contrast: more) {
  :root {
    --line: rgba(255, 255, 255, 0.28);
    --muted: #d4cfdf;
  }

  .feature-card,
  .step-card,
  .cta-panel {
    border-color: rgba(255, 255, 255, 0.34);
  }
}