/* ══════════════════════════════════════════════════════════
   花韵数核 / FLOWERKERNEL — site styles
   Dark navy · logo cyan / blue / violet · product-first layout
   ══════════════════════════════════════════════════════════ */

@font-face {
  font-family: "Space Grotesk";
  src: url("assets/fonts/space-grotesk.woff2") format("woff2");
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("assets/fonts/jetbrains-mono.woff2") format("woff2");
  font-weight: 100 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Noto Sans SC";
  src: url("assets/fonts/noto-sans-sc-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Noto Sans SC";
  src: url("assets/fonts/noto-sans-sc-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Noto Sans SC";
  src: url("assets/fonts/noto-sans-sc-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #05070f;
  --bg-soft: #070b16;
  --panel: #0a1120;
  --panel-2: #0d1628;
  --text: #f2f6ff;
  --muted: #9aa7c4;
  --dim: #68748f;
  --cyan: #6fe3ff;
  --blue: #2b81fc;
  --violet: #a78bff;
  --pink: #cf8be9;
  --line: rgba(140, 170, 230, 0.13);
  --line-strong: rgba(140, 170, 230, 0.26);
  --font-display: "Space Grotesk", "Noto Sans SC", system-ui, sans-serif;
  --font-body: "Noto Sans SC", "Space Grotesk", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
  --wrap: 1200px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

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

html.menu-open {
  overflow: hidden;
}

body {
  margin: 0;
  background:
    radial-gradient(1100px 640px at 82% -12%, rgba(43, 129, 252, 0.16), transparent 62%),
    radial-gradient(900px 600px at 4% 2%, rgba(167, 139, 255, 0.09), transparent 58%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, p, ul, ol, figure {
  margin: 0;
  padding: 0;
}

ul, ol {
  list-style: none;
}

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

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

button {
  font: inherit;
  color: inherit;
}

::selection {
  background: rgba(111, 227, 255, 0.28);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

section[id] {
  scroll-margin-top: 90px;
}

.wrap {
  width: min(var(--wrap), calc(100% - 48px));
  margin-inline: auto;
}

.grad {
  background: linear-gradient(104deg, var(--cyan) 8%, #5b9dff 52%, var(--violet) 96%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ── Scroll progress ─────────────────────────────────────── */
.progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 2px;
  z-index: 200;
  pointer-events: none;
}

.progress span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--blue), var(--cyan) 55%, var(--violet));
  transform: scaleX(0);
  transform-origin: 0 50%;
}

/* ── Header ──────────────────────────────────────────────── */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: 76px;
  z-index: 100;
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(5, 7, 15, 0.78);
  border-bottom: 1px solid var(--line);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}

.site-header.is-scrolled::before {
  opacity: 1;
}

.header__bar {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: none;
}

.brand__mark {
  width: 34px;
  height: auto;
  filter: drop-shadow(0 0 14px rgba(43, 129, 252, 0.28));
  transition: transform 0.5s var(--ease), filter 0.5s var(--ease);
}

.brand:hover .brand__mark {
  transform: translateY(-1px) scale(1.04);
  filter: drop-shadow(0 0 18px rgba(111, 227, 255, 0.4));
}

.brand__name {
  display: block;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.2;
}

.brand__en {
  display: block;
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 7.5px;
  letter-spacing: 0.2em;
  color: var(--dim);
}

.nav {
  display: flex;
  align-items: center;
  gap: 34px;
  margin: 0 auto;
}

.nav a {
  position: relative;
  font-size: 13.5px;
  color: var(--muted);
  transition: color 0.25s;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.35s var(--ease);
}

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

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

.header__actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex: none;
}

.header__phone {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  line-height: 1.25;
  transition: color 0.25s;
}

.header__phone-label {
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.16em;
  color: var(--dim);
}

.header__phone-num {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.header__phone:hover .header__phone-num {
  color: var(--cyan);
}

.menu-btn {
  display: none;
  position: relative;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  background: rgba(10, 17, 32, 0.6);
  cursor: pointer;
}

.menu-btn span {
  position: absolute;
  left: 12px;
  width: 18px;
  height: 1.5px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.35s var(--ease), top 0.35s var(--ease);
}

.menu-btn span:first-child {
  top: 17px;
}

.menu-btn span:last-child {
  top: 23px;
}

.menu-open .menu-btn span:first-child {
  top: 20px;
  transform: rotate(45deg);
}

.menu-open .menu-btn span:last-child {
  top: 20px;
  transform: rotate(-45deg);
}

/* ── Mobile menu ─────────────────────────────────────────── */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: flex;
  flex-direction: column;
  padding: 104px 24px 34px;
  background:
    radial-gradient(700px 500px at 80% 0%, rgba(43, 129, 252, 0.16), transparent 60%),
    #05070f;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease), visibility 0.35s;
}

.menu-open .mobile-menu {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.mobile-menu nav {
  display: flex;
  flex-direction: column;
}

.mobile-menu nav a {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  font-size: clamp(28px, 8vw, 38px);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.mobile-menu nav a span {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.mobile-menu__foot {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 30px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
}

.mobile-menu__foot a {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 38px;
  padding: 4px 0;
}

.mobile-menu__foot a:hover {
  color: var(--cyan);
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: 50px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 11px;
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease),
    background 0.35s, border-color 0.35s, color 0.35s;
}

.btn svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.35s var(--ease);
}

.btn--primary {
  background: linear-gradient(115deg, #2b81fc, #6fe3ff 78%);
  color: #041321;
  box-shadow: 0 10px 30px -10px rgba(43, 129, 252, 0.65), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px -12px rgba(111, 227, 255, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.btn--primary:hover svg {
  transform: translateX(2px);
}

.btn--ghost {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.025);
  color: var(--text);
}

.btn--ghost svg {
  color: var(--cyan);
}

.btn--ghost:hover {
  border-color: rgba(111, 227, 255, 0.5);
  background: rgba(111, 227, 255, 0.07);
  transform: translateY(-2px);
}

.btn--sm {
  height: 40px;
  padding: 0 18px;
  font-size: 13px;
  border-radius: 9px;
}

.btn--block {
  width: 100%;
  margin-top: 22px;
}

/* ── Hero ────────────────────────────────────────────────── */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100svh;
  padding: 146px 0 84px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(140, 170, 230, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(140, 170, 230, 0.055) 1px, transparent 1px);
  background-size: 78px 78px;
  -webkit-mask-image: radial-gradient(ellipse 85% 75% at 55% 38%, #000 10%, transparent 74%);
  mask-image: radial-gradient(ellipse 85% 75% at 55% 38%, #000 10%, transparent 74%);
  pointer-events: none;
}

.hero__fx {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.62;
  pointer-events: none;
}

.hero__aura {
  position: absolute;
  width: min(980px, 80vw);
  aspect-ratio: 1;
  right: -18%;
  top: -26%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(43, 129, 252, 0.2), rgba(111, 227, 255, 0.07) 38%, transparent 66%);
  filter: blur(12px);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  align-items: center;
  gap: 56px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.eyebrow__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 0 rgba(111, 227, 255, 0.5);
  animation: pulse 2.4s ease-out infinite;
}

.hero__title {
  margin-top: 26px;
  font-family: var(--font-body);
  font-size: clamp(44px, 5.2vw, 76px);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.015em;
}

.hero__title .line {
  display: block;
  overflow: hidden;
  padding-bottom: 0.06em;
}

.hero__title .line > span {
  display: block;
}

.hero__title .grad {
  padding-right: 0.04em;
}

.hero__lede {
  max-width: 540px;
  margin-top: 26px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--muted);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.hero__facts {
  display: flex;
  gap: 0;
  margin-top: 46px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-right: 36px;
}

.hero__facts li + li {
  padding-left: 36px;
  border-left: 1px solid var(--line);
}

.hero__facts b {
  font-family: var(--font-display);
  font-size: 29px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.01em;
}

.hero__facts b em {
  font-style: normal;
  color: var(--cyan);
}

.hero__facts span {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--dim);
}

/* Product browser mock */
.hero__visual {
  position: relative;
  transform-style: preserve-3d;
}

.browser {
  position: relative;
  border: 1px solid rgba(150, 180, 240, 0.22);
  border-radius: 16px;
  background: #080d19;
  overflow: hidden;
  transform: perspective(1400px) rotateY(-4deg) rotateX(2deg);
  box-shadow:
    0 50px 100px -24px rgba(0, 0, 0, 0.78),
    0 0 90px rgba(43, 129, 252, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  transition: transform 0.7s var(--ease), box-shadow 0.6s var(--ease);
  will-change: transform;
}

.browser::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(130deg, rgba(255, 255, 255, 0.06), transparent 32%, transparent 70%, rgba(111, 227, 255, 0.05));
  pointer-events: none;
}

.browser__bar {
  display: flex;
  align-items: center;
  gap: 14px;
  height: 38px;
  padding: 0 14px;
  border-bottom: 1px solid var(--line);
  background: rgba(9, 14, 27, 0.92);
}

.browser__dots {
  display: inline-flex;
  gap: 5px;
  flex: none;
}

.browser__dots i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(154, 167, 196, 0.3);
}

.browser__dots i:first-child { background: rgba(255, 120, 140, 0.65); }
.browser__dots i:nth-child(2) { background: rgba(255, 200, 110, 0.65); }
.browser__dots i:nth-child(3) { background: rgba(120, 230, 170, 0.55); }

.browser__url {
  margin: 0 auto;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.04em;
  color: var(--dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.browser__live {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  flex: none;
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.browser__live i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  animation: pulse 2s ease-out infinite;
}

.browser__img {
  width: 100%;
  height: auto;
}

.browser__glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(118deg, transparent 42%, rgba(111, 227, 255, 0.07) 49%, transparent 56%);
  pointer-events: none;
}

.float-chip {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid rgba(140, 170, 230, 0.24);
  border-radius: 999px;
  background: rgba(7, 12, 24, 0.86);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--muted);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.5);
  animation: float 7s ease-in-out infinite;
  pointer-events: none;
}

.float-chip i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 9px var(--cyan);
}

.float-chip--a {
  top: -18px;
  right: -14px;
}

.float-chip--b {
  bottom: -20px;
  left: -20px;
  animation-delay: -3.5s;
}

.float-chip--b i {
  background: var(--violet);
  box-shadow: 0 0 9px var(--violet);
}

.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 22px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 12px;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  color: var(--dim);
}

.hero__scroll i {
  position: relative;
  width: 1px;
  height: 34px;
  overflow: hidden;
  background: linear-gradient(rgba(111, 227, 255, 0.4), transparent);
}

.hero__scroll i::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 1px;
  height: 12px;
  background: var(--cyan);
  animation: scrollDot 2.2s ease-in-out infinite;
}

.hero__scroll:hover {
  color: var(--cyan);
}

/* Hero intro */
.js .hero__title .line > span {
  transform: translateY(112%);
}

.js .hero [data-intro] {
  opacity: 0;
  transform: translateY(18px);
}

.js .hero__visual[data-intro] {
  transform: translateY(26px) scale(0.985);
}

.js .hero.is-ready .hero__title .line > span {
  transform: translateY(0);
  transition: transform 1.05s var(--ease);
}

.js .hero.is-ready .hero__title .line:nth-child(2) > span {
  transition-delay: 0.09s;
}

.js .hero.is-ready [data-intro] {
  opacity: 1;
  transform: none;
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}

.js .hero.is-ready .eyebrow { transition-delay: 0.02s; }
.js .hero.is-ready .hero__lede { transition-delay: 0.3s; }
.js .hero.is-ready .hero__actions { transition-delay: 0.4s; }
.js .hero.is-ready .hero__facts { transition-delay: 0.5s; }
.js .hero.is-ready .hero__visual { transition-delay: 0.22s; }

/* ── Sections ────────────────────────────────────────────── */
.section {
  position: relative;
  padding: 112px 0;
}

.section__head {
  margin-bottom: 46px;
}

.kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--dim);
}

.kicker span {
  color: var(--cyan);
}

.kicker::after {
  content: "";
  width: 34px;
  height: 1px;
  background: linear-gradient(90deg, rgba(111, 227, 255, 0.75), transparent);
}

.section h2 {
  font-family: var(--font-body);
  font-size: clamp(30px, 3.3vw, 44px);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.012em;
}

.section__row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

.section__row h2 {
  max-width: 760px;
}

.section__sub {
  max-width: 620px;
  margin-top: 14px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  flex: none;
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(111, 227, 255, 0.32);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  transition: border-color 0.3s, color 0.3s;
}

.text-link svg {
  width: 13px;
  height: 13px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.3s var(--ease);
}

.text-link:hover {
  border-color: var(--cyan);
}

.text-link:hover svg {
  transform: translate(2px, -2px);
}

/* ── Product showcase ────────────────────────────────────── */
.product::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent, rgba(43, 129, 252, 0.035) 40%, transparent);
  pointer-events: none;
}

.showcase {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(300px, 0.8fr);
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
  background: linear-gradient(150deg, rgba(16, 27, 50, 0.74), rgba(7, 11, 22, 0.92) 58%);
  box-shadow: 0 44px 110px -44px rgba(0, 0, 0, 0.9);
}

.showcase::before {
  content: "";
  position: absolute;
  left: -10%;
  top: -40%;
  width: 60%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(43, 129, 252, 0.13), transparent 66%);
  pointer-events: none;
}

.showcase__main {
  position: relative;
  min-width: 0;
  padding: 22px;
  border-right: 1px solid var(--line);
}

.tabs {
  display: flex;
  gap: 4px;
  padding: 4px;
  margin-bottom: 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(4, 7, 14, 0.55);
}

.tab {
  flex: 1;
  height: 38px;
  padding: 0 10px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--muted);
  font-size: 12.5px;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.3s, color 0.3s, box-shadow 0.3s;
}

.tab:hover {
  color: var(--text);
}

.tab.is-active {
  background: rgba(111, 227, 255, 0.1);
  color: #eafaff;
  box-shadow: inset 0 0 0 1px rgba(111, 227, 255, 0.24);
}

.shot {
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: #05070f;
}

.shot__bar {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 36px;
  padding: 0 13px;
  border-bottom: 1px solid var(--line);
  background: rgba(9, 14, 27, 0.9);
}

.shot__title {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.shot__badge {
  margin-left: auto;
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.1em;
  color: var(--dim);
}

.shot__body {
  position: relative;
  aspect-ratio: 16 / 10;
  background:
    radial-gradient(600px 300px at 50% 0%, rgba(43, 129, 252, 0.1), transparent 70%),
    #070b15;
  overflow: hidden;
}

.shot__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.45s var(--ease), visibility 0.45s;
}

.shot__img.is-active {
  opacity: 1;
  visibility: visible;
}

.shot__phones {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 18px;
  opacity: 0;
  visibility: hidden;
  background: radial-gradient(500px 320px at 50% 50%, rgba(43, 129, 252, 0.12), transparent 72%);
  transition: opacity 0.45s var(--ease), visibility 0.45s;
}

.shot__phones.is-active {
  opacity: 1;
  visibility: visible;
}

.shot__phones img {
  width: auto;
  height: 100%;
  border: 1px solid rgba(140, 170, 230, 0.24);
  border-radius: 12px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.55);
}

.showcase__side {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 26px 26px 22px;
}

.feat {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.feat:first-child {
  padding-top: 0;
}

.feat__num {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding-top: 2px;
}

.feat h3 {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.feat p {
  margin-top: 4px;
  font-size: 12px;
  line-height: 1.65;
  color: var(--muted);
}

.techline {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 9px;
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: var(--dim);
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 34px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 26px 0;
}

.stats li + li {
  padding-left: 32px;
  border-left: 1px solid var(--line);
}

.stats b {
  font-family: var(--font-display);
  font-size: clamp(30px, 3.2vw, 42px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.01em;
}

.stats span {
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--dim);
}

/* ── Services ────────────────────────────────────────────── */
.services {
  border-top: 1px solid rgba(140, 170, 230, 0.07);
  background: linear-gradient(180deg, rgba(8, 13, 26, 0.55), transparent 70%);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.card {
  position: relative;
  min-height: 182px;
  padding: 24px 24px 26px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(160deg, rgba(15, 25, 46, 0.64), rgba(8, 13, 26, 0.42));
  overflow: hidden;
  transition: transform 0.5s var(--ease), border-color 0.5s, background 0.5s;
}

.card::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(111, 227, 255, 0.14), transparent 66%);
  opacity: 0;
  transition: opacity 0.5s;
  pointer-events: none;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(111, 227, 255, 0.34);
  background: linear-gradient(160deg, rgba(18, 31, 57, 0.7), rgba(8, 13, 26, 0.5));
}

.card:hover::after {
  opacity: 1;
}

.card__idx {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--dim);
}

.card h3 {
  margin-top: 30px;
  font-size: 17.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.card p {
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ── Process ─────────────────────────────────────────────── */
.process {
  padding-top: 92px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
  border-top: 1px solid var(--line);
}

.steps li {
  position: relative;
  padding-top: 30px;
}

.steps li::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  background: var(--bg);
  box-shadow: 0 0 12px rgba(111, 227, 255, 0.45);
}

.steps__num {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.steps h3 {
  margin-top: 10px;
  font-size: 19px;
  font-weight: 600;
}

.steps p {
  margin-top: 6px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

.steps em {
  display: block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-style: normal;
  letter-spacing: 0.1em;
  color: var(--dim);
}

/* ── Contact ─────────────────────────────────────────────── */
.contact {
  position: relative;
  padding: 120px 0;
  border-top: 1px solid var(--line);
  background:
    radial-gradient(900px 480px at 14% 20%, rgba(111, 227, 255, 0.07), transparent 62%),
    radial-gradient(700px 480px at 92% 84%, rgba(167, 139, 255, 0.08), transparent 62%);
  overflow: hidden;
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 64px;
}

.contact h2 {
  font-size: clamp(38px, 4.4vw, 58px);
  line-height: 1.22;
}

.contact__lede {
  max-width: 420px;
  margin-top: 20px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

.contact__cards {
  display: grid;
  gap: 10px;
}

.ccard {
  position: relative;
  display: block;
  width: 100%;
  padding: 21px 24px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(9, 15, 29, 0.72);
  text-align: left;
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.4s, background 0.4s;
}

.ccard::after {
  content: "";
  position: absolute;
  right: -30px;
  top: -30px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(111, 227, 255, 0.12), transparent 68%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}

.ccard:hover {
  transform: translateX(4px);
  border-color: rgba(111, 227, 255, 0.4);
  background: rgba(12, 21, 40, 0.82);
}

.ccard:hover::after {
  opacity: 1;
}

.ccard__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--dim);
}

.ccard strong {
  display: block;
  margin: 7px 0 8px;
  font-family: var(--font-display);
  font-size: clamp(21px, 2.2vw, 27px);
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.25;
}

.ccard__hint {
  display: block;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.ccard__row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 2px;
}

.ccard__action {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0;
  border: 0;
  background: none;
  font-family: var(--font-body);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  cursor: pointer;
  transition: color 0.25s;
}

.ccard__action + .ccard__action {
  padding-left: 16px;
  border-left: 1px solid var(--line);
}

.ccard__action:hover {
  color: var(--text);
}

.ccard__action.is-copied {
  color: #7dffc9;
}

.ccard--duo,
.ccard--static {
  cursor: default;
}

.ccard--duo:hover,
.ccard--static:hover {
  transform: none;
  border-color: var(--line);
  background: rgba(9, 15, 29, 0.72);
}

.ccard--duo:hover::after,
.ccard--static:hover::after {
  opacity: 0;
}

.contact__note {
  padding: 2px 4px 0;
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--dim);
}

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--line);
  background: #04060d;
}

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

.footer__brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer__mark {
  width: 28px;
  height: auto;
  opacity: 0.92;
}

.footer__name {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.footer__name em {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 8.5px;
  font-style: normal;
  letter-spacing: 0.18em;
  color: var(--dim);
}

.footer__legal {
  display: block;
  margin-top: 4px;
  font-size: 10.5px;
  color: var(--dim);
}

.footer__meta {
  display: flex;
  gap: 22px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  color: var(--dim);
}

/* ── Reveal ──────────────────────────────────────────────── */
.js.app-ready [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
}

.js.app-ready [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* ── Animations ──────────────────────────────────────────── */
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(111, 227, 255, 0.5); opacity: 1; }
  70% { box-shadow: 0 0 0 6px rgba(111, 227, 255, 0); opacity: 0.75; }
  100% { box-shadow: 0 0 0 0 rgba(111, 227, 255, 0); opacity: 1; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}

@keyframes scrollDot {
  0% { transform: translateY(-12px); opacity: 0; }
  40% { opacity: 1; }
  100% { transform: translateY(34px); opacity: 0; }
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1100px) {
  .hero__inner {
    gap: 38px;
  }

  .hero__facts li {
    padding-right: 24px;
  }

  .hero__facts li + li {
    padding-left: 24px;
  }

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

  .showcase__main {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .showcase__side {
    padding: 24px 22px 22px;
  }

  .btn--block {
    max-width: 320px;
  }
}

@media (max-width: 960px) {
  .nav,
  .header__actions {
    display: none;
  }

  .menu-btn {
    display: block;
    margin-left: auto;
  }

  .hero {
    min-height: 0;
    padding: 124px 0 84px;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    gap: 46px;
  }

  .hero__visual {
    width: 100%;
    max-width: 720px;
  }

  .hero__scroll {
    display: none;
  }

  .section {
    padding: 84px 0;
  }

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

  .steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 34px 24px;
  }

  .contact {
    padding: 92px 0;
  }

  .contact__inner {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .contact__lede {
    max-width: 560px;
  }
}

@media (max-width: 720px) {
  .wrap {
    width: calc(100% - 40px);
  }

  .site-header {
    height: 68px;
  }

  .brand__mark {
    width: 30px;
  }

  .brand__name {
    font-size: 14px;
  }

  .hero {
    padding: 108px 0 66px;
  }

  .hero__title {
    font-size: clamp(38px, 11vw, 52px);
    margin-top: 20px;
  }

  .hero__lede {
    margin-top: 20px;
    font-size: 14.5px;
    line-height: 1.85;
  }

  .hero__actions {
    margin-top: 28px;
  }

  .hero__actions .btn {
    flex: 1 1 auto;
  }

  .hero__facts {
    margin-top: 34px;
    padding-top: 22px;
  }

  .hero__facts li {
    padding-right: 18px;
  }

  .hero__facts li + li {
    padding-left: 18px;
  }

  .hero__facts b {
    font-size: 23px;
  }

  .hero__facts span {
    font-size: 10px;
  }

  .float-chip {
    font-size: 9px;
    padding: 7px 11px;
  }

  .float-chip--a {
    right: -6px;
    top: -14px;
  }

  .float-chip--b {
    left: -6px;
    bottom: -15px;
  }

  .section {
    padding: 68px 0;
  }

  .section h2 {
    font-size: clamp(25px, 7vw, 36px);
  }

  .section__head {
    margin-bottom: 34px;
  }

  .section__row {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .kicker {
    margin-bottom: 14px;
  }

  .product::before {
    display: none;
  }

  .showcase {
    border-radius: 18px;
  }

  .showcase__main {
    padding: 12px;
  }

  .tabs {
    overflow-x: auto;
    scrollbar-width: none;
  }

  .tabs::-webkit-scrollbar {
    display: none;
  }

  .tab {
    flex: 0 0 auto;
    padding: 0 15px;
  }

  .shot__body {
    aspect-ratio: 4 / 3;
  }

  .shot.is-phone .shot__body {
    aspect-ratio: 4 / 5;
  }

  .shot.is-phone .shot__phones img:nth-child(2) {
    display: none;
  }

  .showcase__side {
    padding: 20px 18px 20px;
  }

  .stats {
    grid-template-columns: 1fr 1fr;
    margin-top: 26px;
  }

  .stats li {
    padding: 20px 0;
  }

  .stats li + li {
    border-left: 0;
    padding-left: 0;
  }

  .stats li:nth-child(even) {
    padding-left: 20px;
    border-left: 1px solid var(--line);
  }

  .stats li:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .cards {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .card {
    min-height: 0;
    padding: 20px 22px 22px;
  }

  .card h3 {
    margin-top: 20px;
  }

  .steps {
    grid-template-columns: 1fr 1fr;
    gap: 30px 22px;
  }

  .contact {
    padding: 76px 0;
  }

  .contact h2 {
    font-size: clamp(32px, 9vw, 42px);
  }

  .ccard {
    padding: 18px 20px;
  }

  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }

  .footer__meta {
    gap: 16px;
  }
}

@media (max-width: 520px) {
  .hero__actions {
    gap: 10px;
  }

  .hero__actions .btn {
    flex: 1 1 100%;
  }

  .float-chip--b {
    display: none;
  }

  .tab {
    font-size: 12px;
    padding: 0 12px;
  }

  .showcase__side {
    padding: 18px 16px;
  }

  .feat {
    grid-template-columns: 24px 1fr;
    gap: 10px;
  }

  .shot__phones {
    gap: 10px;
    padding: 14px;
  }

  .steps {
    grid-template-columns: 1fr;
    gap: 0;
    border-top: 0;
    border-left: 0;
  }

  .steps li {
    padding: 24px 0 24px 20px;
    border-left: 1px solid var(--line);
  }

  .steps li::before {
    top: 28px;
    left: -4px;
  }

  .footer__meta {
    flex-direction: column;
    gap: 4px;
  }
}

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

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

  .js .hero__title .line > span,
  .js .hero [data-intro],
  .js.app-ready [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }

  .browser {
    transform: none !important;
  }
}