:root {
  --ink: #11121c;
  --ink-soft: #363746;
  --muted: #737486;
  --line: #dedee6;
  --paper: #f8f8fa;
  --white: #ffffff;
  --warm: #f5f0ec;
  --night: #0c0b20;
  --night-2: #15142c;
  --coral: #ff6044;
  --coral-2: #ff8a52;
  --peach: #ffd7c9;
  --max-width: 1240px;
  --radius-lg: 36px;
  --radius-md: 24px;
  --radius-sm: 16px;
  --shadow: 0 26px 70px rgba(19, 18, 39, 0.12);
  --font-sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

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

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

button,
summary {
  font: inherit;
}

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

:focus-visible {
  outline: 3px solid rgba(255, 96, 68, 0.55);
  outline-offset: 4px;
}

::selection {
  color: var(--white);
  background: var(--coral);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 200;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  color: var(--white);
  background: var(--coral);
  border-radius: 999px;
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

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

.page-shell {
  width: min(calc(100% - 48px), var(--max-width));
  margin: 0 auto;
}

.section-light {
  background: var(--paper);
}

.section-warm {
  background: var(--warm);
}

.section-dark {
  color: var(--white);
  background: var(--night);
}

.scroll-progress {
  position: fixed;
  z-index: 160;
  inset: 0 0 auto 0;
  height: 3px;
  pointer-events: none;
}

.scroll-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--coral), var(--coral-2));
  box-shadow: 0 0 18px rgba(255, 96, 68, 0.65);
}

/* Header */
.site-header {
  position: fixed;
  z-index: 150;
  top: 0;
  right: 0;
  left: 0;
  height: 82px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(17, 18, 28, 0.07);
  backdrop-filter: blur(18px);
  transition: height 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.site-header.is-scrolled {
  height: 70px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 12px 35px rgba(17, 18, 28, 0.09);
}

.nav-shell {
  width: min(calc(100% - 48px), 1380px);
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.brand-mark {
  width: 43px;
  height: 43px;
  display: grid;
  align-content: center;
  gap: 4px;
  padding: 0 11px;
  background: linear-gradient(145deg, #ff825e, #f53e50);
  border-radius: 13px;
  box-shadow: 0 9px 24px rgba(255, 81, 70, 0.26), inset 0 1px 0 rgba(255, 255, 255, 0.55);
  transform: rotate(-3deg);
}

.brand-mark i {
  width: 100%;
  height: 3px;
  display: block;
  background: #fff;
  border-radius: 99px;
}

.brand-mark i:nth-child(2) {
  width: 78%;
}

.brand-mark i:nth-child(3) {
  width: 56%;
}

.brand-logo {
  width: 43px;
  height: 43px;
  display: block;
  flex: 0 0 auto;
  object-fit: contain;
  border-radius: 13px;
  box-shadow: 0 9px 24px rgba(255, 81, 70, 0.22);
}

.brand-copy {
  display: grid;
  line-height: 1.15;
}

.brand-copy strong {
  font-size: 18px;
  letter-spacing: 0.08em;
}

.brand-copy small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.primary-nav > a:not(.nav-cta) {
  position: relative;
  color: #4a4b58;
  font-size: 14px;
  font-weight: 650;
}

.primary-nav > a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 2px;
  background: var(--coral);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s ease;
}

.primary-nav > a:hover::after,
.primary-nav > a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-cta {
  padding: 10px 17px;
  color: var(--white);
  background: var(--coral);
  border: 1px solid var(--coral);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 750;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.nav-cta:hover {
  background: #ed4a31;
  box-shadow: 0 10px 22px rgba(255, 96, 68, 0.25);
  transform: translateY(-2px);
}

.nav-toggle {
  width: 44px;
  height: 44px;
  display: none;
  place-content: center;
  gap: 4px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 13px;
  cursor: pointer;
}

.nav-toggle > span:not(.sr-only) {
  width: 19px;
  height: 2px;
  display: block;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* Hero */
.hero {
  position: relative;
  min-height: 620px;
  padding: 118px 0 46px;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(circle at 88% 66%, rgba(255, 90, 69, 0.19), transparent 24%),
    radial-gradient(circle at 58% 16%, rgba(67, 67, 124, 0.22), transparent 30%),
    linear-gradient(135deg, #0b0a1b 0%, #0d0c22 55%, #111128 100%);
}

.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  opacity: 0.22;
  background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(to bottom, transparent 8%, #000 34%, #000 78%, transparent 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(500px, 0.92fr);
  align-items: center;
  gap: clamp(28px, 4vw, 58px);
}

.hero-copy {
  position: relative;
  z-index: 3;
  min-width: 0;
  padding-bottom: 18px;
}

.eyebrow,
.section-index,
.feature-kicker,
.media-label,
.cta-badge {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #d9d7e8;
}

.eyebrow span {
  width: 32px;
  height: 1px;
  background: var(--coral);
  box-shadow: 0 0 10px var(--coral);
}

.hero h1 {
  max-width: none;
  margin: 28px 0 24px;
  font-size: clamp(40px, 3.75vw, 54px);
  line-height: 1.04;
  letter-spacing: -0.065em;
  white-space: nowrap;
}

.hero h1 em {
  color: transparent;
  background: linear-gradient(92deg, #fff 5%, #ffb39f 48%, #ff6b4d 100%);
  -webkit-background-clip: text;
  background-clip: text;
  font-style: normal;
}

.hero-lead {
  max-width: 570px;
  margin: 0;
  color: #bbb9ca;
  font-size: 17px;
  line-height: 1.9;
}

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

.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 750;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.button:hover {
  transform: translateY(-3px);
}

.button-primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--coral), #ff7d4a);
  box-shadow: 0 14px 34px rgba(255, 91, 65, 0.28);
}

.hero-actions .button-primary {
  min-width: 190px;
  min-height: 60px;
  padding: 0 34px;
  border-radius: 18px;
  font-size: 16px;
}

.button-primary:hover {
  box-shadow: 0 19px 40px rgba(255, 91, 65, 0.38);
}

.button-ghost {
  color: #e4e2ed;
  background: rgba(255, 255, 255, 0.035);
  border-color: rgba(255, 255, 255, 0.19);
}

.button-ghost:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.34);
}

.hero-facts {
  display: flex;
  align-items: center;
  gap: 0;
  margin-top: 54px;
}

.hero-facts div {
  min-width: 122px;
  display: grid;
  padding: 0 26px;
  border-left: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-facts div:first-child {
  padding-left: 0;
  border-left: 0;
}

.hero-facts strong {
  font-size: 26px;
  line-height: 1;
}

.hero-facts span {
  margin-top: 9px;
  color: #8f8da2;
  font-size: 11px;
}

.hero-media {
  position: relative;
  z-index: 2;
  min-width: 0;
}

.hero-image-wrap {
  position: relative;
  width: 100%;
  min-width: 0;
  overflow: hidden;
  background: #11142a;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 34px 10px 34px 10px;
  box-shadow: 0 50px 90px rgba(0, 0, 0, 0.38);
  transform: perspective(1400px) rotateY(-4deg) rotateX(1deg);
}

.hero-image-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.05), transparent 28%, transparent 70%, rgba(255, 96, 68, 0.08));
}

.hero-image-wrap img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.hero-image-wrap.banner-transparent {
  overflow: visible;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  transform: none;
}

.hero-image-wrap.banner-transparent::after {
  display: none;
}

.hero-image-wrap.banner-transparent img {
  width: 118%;
  max-width: none;
  aspect-ratio: auto;
  object-fit: contain;
  filter: drop-shadow(0 34px 48px rgba(0, 0, 0, 0.32));
  transform: translateX(-7%);
}

.image-chip {
  position: absolute;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 13px;
  color: #f6f4ff;
  background: rgba(11, 12, 29, 0.74);
  border: 1px solid rgba(255, 255, 255, 0.17);
  border-radius: 999px;
  backdrop-filter: blur(12px);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.chip-top {
  top: 20px;
  right: 20px;
}

.chip-bottom {
  right: 20px;
  bottom: 20px;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  background: #75edaa;
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(117, 237, 170, 0.13), 0 0 14px rgba(117, 237, 170, 0.8);
}

.image-caption {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 18px 0 0 12px;
  color: #8d8b9d;
  font-size: 12px;
}

.image-caption span {
  color: var(--coral);
  font-weight: 800;
}

.hero-orbit {
  position: absolute;
  z-index: -1;
  border: 1px solid rgba(255, 111, 80, 0.15);
  border-radius: 50%;
  pointer-events: none;
}

.orbit-one {
  width: 560px;
  height: 560px;
  right: -180px;
  top: 140px;
}

.orbit-two {
  width: 780px;
  height: 780px;
  right: -240px;
  top: 30px;
}

.scroll-cue {
  position: absolute;
  bottom: 32px;
  left: 50%;
  display: flex;
  align-items: center;
  gap: 11px;
  color: #858397;
  font-size: 10px;
  letter-spacing: 0.14em;
  transform: translateX(-50%);
}

.scroll-cue span {
  position: relative;
  width: 1px;
  height: 31px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.22);
}

.scroll-cue span::after {
  content: "";
  position: absolute;
  width: 1px;
  height: 13px;
  background: var(--coral);
  animation: scroll-cue 1.8s ease-in-out infinite;
}

@keyframes scroll-cue {
  from { transform: translateY(-14px); }
  to { transform: translateY(34px); }
}

/* Shared section typography */
.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  align-items: end;
  gap: 70px;
  margin-bottom: 64px;
}

.section-heading.compact {
  margin-bottom: 76px;
}

.section-heading.single {
  grid-template-columns: minmax(0, 1fr);
  max-width: 920px;
}

.section-index {
  margin: 0 0 18px;
  color: var(--coral);
}

.section-index.light {
  color: #ff9b7e;
}

.section-heading h2,
.guide-intro h2,
.faq-intro h2 {
  margin: 0;
  font-size: clamp(38px, 4.4vw, 64px);
  line-height: 1.13;
  letter-spacing: -0.055em;
}

.section-heading > p {
  max-width: 510px;
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.95;
}

/* Overview */
.overview {
  padding: 132px 0 126px;
}

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

.position-card {
  position: relative;
  min-height: 460px;
  display: flex;
  flex-direction: column;
  padding: 34px;
  overflow: hidden;
  border-radius: 26px;
}

.position-card::before {
  content: "";
  position: absolute;
  width: 160px;
  height: 160px;
  right: -60px;
  top: -60px;
  border: 1px solid currentColor;
  border-radius: 50%;
  opacity: 0.12;
}

.card-coral {
  color: #fff;
  background: linear-gradient(150deg, #ff7658 0%, #ee4d3f 100%);
  box-shadow: 0 22px 55px rgba(238, 77, 63, 0.2);
}

.card-dark {
  color: #fff;
  background: var(--night-2);
}

.card-outline {
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
}

.card-number {
  position: absolute;
  top: 26px;
  right: 28px;
  color: currentColor;
  font-size: 12px;
  font-weight: 800;
  opacity: 0.55;
}

.line-icon {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  margin-bottom: 46px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 18px;
}

.card-outline .line-icon {
  background: #fff3ee;
  border-color: #ffe1d7;
}

.line-icon svg {
  width: 32px;
  height: 32px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card-outline .line-icon svg {
  stroke: var(--coral);
}

.position-card h3 {
  margin: 0 0 15px;
  font-size: 23px;
  line-height: 1.35;
  letter-spacing: -0.025em;
}

.position-card > p {
  margin: 0;
  color: currentColor;
  font-size: 14px;
  opacity: 0.75;
}

.position-card ul {
  display: grid;
  gap: 9px;
  margin: auto 0 0;
  padding: 28px 0 0;
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.card-outline ul {
  border-top-color: var(--line);
}

.position-card li {
  position: relative;
  padding-left: 17px;
  font-size: 12px;
  font-weight: 650;
}

.position-card li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 5px;
  height: 5px;
  background: currentColor;
  border-radius: 50%;
  opacity: 0.7;
}

.safety-note {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 22px;
  margin-top: 25px;
  padding: 28px 32px;
  background: #fff;
  border: 1px solid #ffd4c7;
  border-radius: 20px;
  box-shadow: 0 14px 34px rgba(17, 18, 28, 0.04);
}

.note-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--coral);
  border-radius: 50%;
  font-weight: 850;
}

.safety-note strong {
  font-size: 16px;
}

.safety-note p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
}

/* Feature stories */
.features {
  padding: 132px 0 140px;
}

.feature-story {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  align-items: center;
  gap: clamp(50px, 8vw, 110px);
  padding: 46px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(49, 47, 64, 0.1);
  border-radius: 34px;
  box-shadow: 0 24px 70px rgba(62, 49, 45, 0.07);
}

.feature-story + .feature-story {
  margin-top: 30px;
}

.feature-reverse .feature-media {
  order: 2;
}

.feature-media {
  position: relative;
  overflow: hidden;
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 22px 48px rgba(44, 35, 32, 0.12);
}

.feature-media img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.feature-story:hover .feature-media img {
  transform: scale(1.035);
}

.media-label {
  position: absolute;
  left: 18px;
  bottom: 18px;
  padding: 8px 11px;
  color: #fff;
  background: rgba(12, 11, 32, 0.78);
  border-radius: 99px;
  backdrop-filter: blur(10px);
  font-size: 9px;
}

.feature-kicker {
  display: block;
  margin-bottom: 20px;
  color: var(--coral);
}

.feature-copy h3 {
  margin: 0 0 20px;
  font-size: clamp(30px, 3.1vw, 46px);
  line-height: 1.18;
  letter-spacing: -0.045em;
}

.feature-copy > p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.95;
}

.feature-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 30px 0 0;
}

.feature-points div {
  padding: 14px;
  background: #fff;
  border: 1px solid #e8e5e3;
  border-radius: 14px;
}

.feature-points dt {
  margin-bottom: 5px;
  color: var(--coral);
  font-size: 10px;
  font-weight: 800;
}

.feature-points dd {
  margin: 0;
  color: var(--ink-soft);
  font-size: 11px;
  line-height: 1.5;
}

.inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 26px;
}

.inline-links a,
.answer-link,
.guide-step a,
.faq-footnote a {
  color: #da472f;
  font-size: 12px;
  font-weight: 750;
  text-decoration: underline;
  text-decoration-color: rgba(218, 71, 47, 0.28);
  text-underline-offset: 4px;
}

.inline-links a:hover,
.answer-link:hover,
.guide-step a:hover,
.faq-footnote a:hover {
  text-decoration-color: currentColor;
}

.check-list {
  display: grid;
  gap: 13px;
  margin-top: 28px;
}

.check-list p {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
}

.check-list span {
  width: 21px;
  height: 21px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  margin-top: 2px;
  color: #fff;
  background: var(--coral);
  border-radius: 50%;
  font-size: 11px;
  font-weight: 800;
}

/* Download guide */
.download-guide {
  position: relative;
  padding: 132px 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 8% 85%, rgba(255, 96, 68, 0.17), transparent 25%),
    radial-gradient(circle at 92% 5%, rgba(84, 79, 155, 0.17), transparent 26%),
    var(--night);
}

.download-guide::after {
  content: "03";
  position: absolute;
  right: -28px;
  bottom: -115px;
  color: rgba(255, 255, 255, 0.025);
  font-size: 360px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.1em;
  pointer-events: none;
}

.guide-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(60px, 10vw, 140px);
}

.guide-intro {
  align-self: start;
  position: sticky;
  top: 116px;
}

.guide-intro > p:not(.section-index) {
  max-width: 520px;
  margin: 25px 0 0;
  color: #a9a7b9;
  font-size: 15px;
  line-height: 1.9;
}

.platform-links {
  display: grid;
  gap: 10px;
  margin-top: 36px;
}

.platform-links > a {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 14px 17px;
  color: #fff;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.platform-links > a:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 120, 88, 0.42);
  transform: translateX(5px);
}

.platform-icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  color: var(--night);
  background: #fff;
  border-radius: 12px;
  font-size: 20px;
  font-weight: 800;
}

.platform-icon.windows {
  grid-template-columns: repeat(2, 7px);
  gap: 2px;
}

.platform-icon.windows i {
  width: 7px;
  height: 7px;
  display: block;
  background: var(--night);
}

.platform-links small {
  display: block;
  margin-bottom: 2px;
  color: #858296;
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.platform-links a span:nth-child(2) {
  font-size: 13px;
  font-weight: 700;
}

.platform-links b {
  color: var(--coral-2);
  font-size: 17px;
}

.guide-steps {
  display: grid;
}

.guide-step {
  display: grid;
  grid-template-columns: 68px 1fr;
  gap: 28px;
  padding: 32px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.13);
}

.guide-step:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
}

.guide-step > span {
  color: var(--coral-2);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.guide-step h3 {
  margin: -4px 0 9px;
  color: #fff;
  font-size: 22px;
}

.guide-step p {
  margin: 0;
  color: #9f9daf;
  font-size: 13px;
  line-height: 1.85;
}

.official-cta {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  margin-top: 80px;
  padding: 32px 38px;
  color: var(--ink);
  background: linear-gradient(120deg, #fff 0%, #fff3ef 100%);
  border-radius: 25px;
}

.cta-badge {
  display: block;
  margin-bottom: 8px;
  color: var(--coral);
  font-size: 9px;
}

.official-cta h3 {
  margin: 0;
  font-size: 22px;
}

.official-cta p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.button-light {
  flex: 0 0 auto;
  color: #fff;
  background: var(--night);
}

.button-light:hover {
  background: #24223d;
}

/* Product advantages */
.advantages {
  padding: 132px 0 126px;
  background:
    radial-gradient(circle at 92% 12%, rgba(255, 108, 75, 0.08), transparent 24%),
    #fff;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.advantage-card {
  position: relative;
  min-height: 350px;
  padding: 34px;
  overflow: hidden;
  background: #f7f7f9;
  border: 1px solid #e4e4ea;
  border-radius: 26px;
}

.advantage-card::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -80px;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(255, 96, 68, 0.16);
  border-radius: 50%;
}

.advantage-primary {
  color: #fff;
  background: linear-gradient(145deg, #ff7455, #ef4b40);
  border-color: transparent;
  box-shadow: 0 26px 60px rgba(239, 75, 64, 0.19);
}

.advantage-dark {
  color: #fff;
  background: var(--night-2);
  border-color: transparent;
}

.advantage-index {
  position: absolute;
  top: 29px;
  right: 31px;
  color: currentColor;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.12em;
  opacity: 0.46;
}

.advantage-icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  margin-bottom: 66px;
  color: var(--coral);
  background: #fff;
  border: 1px solid #ebe9ee;
  border-radius: 18px;
}

.advantage-primary .advantage-icon,
.advantage-dark .advantage-icon {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.19);
}

.advantage-icon svg {
  width: 30px;
  height: 30px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.advantage-card h3 {
  position: relative;
  z-index: 1;
  margin: 0 0 13px;
  font-size: 24px;
  letter-spacing: -0.025em;
}

.advantage-card p {
  position: relative;
  z-index: 1;
  max-width: 510px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
}

.advantage-primary p,
.advantage-dark p {
  color: rgba(255, 255, 255, 0.72);
}

.advantage-resources {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin-top: 20px;
  padding: 22px 27px;
  background: #f7f7f9;
  border: 1px solid #e4e4ea;
  border-radius: 18px;
}

.advantage-resources p {
  margin: 0;
  color: var(--ink);
  font-size: 12px;
  font-weight: 800;
}

.advantage-resources > div {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 24px;
}

.advantage-resources a {
  color: #d94a34;
  font-size: 11px;
  font-weight: 750;
  text-decoration: underline;
  text-decoration-color: rgba(217, 74, 52, 0.26);
  text-underline-offset: 4px;
}

.advantage-resources a:hover {
  text-decoration-color: currentColor;
}

/* FAQ */
.faq {
  padding: 132px 0 104px;
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(70px, 9vw, 140px);
  align-items: start;
}

.faq-intro {
  position: sticky;
  top: 114px;
}

.faq-intro > p:not(.section-index) {
  max-width: 400px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.faq-status {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-top: 40px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.faq-status span {
  color: var(--coral);
  font-size: 42px;
  font-weight: 850;
  line-height: 1;
}

.faq-status small {
  color: var(--muted);
  font-size: 11px;
}

.accordion {
  border-top: 1px solid #ceced7;
}

.faq-item {
  border-bottom: 1px solid #ceced7;
}

.faq-item summary {
  display: grid;
  grid-template-columns: 36px 1fr 22px;
  align-items: center;
  gap: 18px;
  padding: 26px 4px;
  cursor: pointer;
  list-style: none;
}

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

.faq-number {
  color: var(--coral);
  font-size: 11px;
  font-weight: 800;
}

.faq-item summary span:nth-child(2) {
  font-size: 16px;
  font-weight: 750;
  line-height: 1.5;
  letter-spacing: -0.015em;
}

.faq-item summary i {
  position: relative;
  width: 22px;
  height: 22px;
}

.faq-item summary i::before,
.faq-item summary i::after {
  content: "";
  position: absolute;
  top: 10px;
  left: 3px;
  width: 16px;
  height: 1.5px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.25s ease;
}

.faq-item summary i::after {
  transform: rotate(90deg);
}

.faq-item[open] summary i::after {
  transform: rotate(0deg);
}

.faq-item[open] summary span:nth-child(2) {
  color: #d84831;
}

.faq-answer {
  padding: 0 42px 30px 58px;
  color: #565765;
  font-size: 14px;
  line-height: 1.95;
  animation: answer-in 0.3s ease;
}

@keyframes answer-in {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.faq-answer p {
  margin: 0;
}

.faq-answer p + p {
  margin-top: 14px;
}

.faq-question {
  color: var(--ink);
}

.faq-answer mark {
  padding: 1px 4px;
  color: #ae3927;
  background: #ffe4db;
  border-radius: 4px;
  font-weight: 800;
}

.answer-link {
  display: inline-block;
  margin-top: 16px;
}

.faq-footnote {
  margin-top: 50px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.faq-footnote p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

/* Footer */
.site-footer {
  padding: 74px 0 26px;
  color: #fff;
  background: #090818;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 34px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.11);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer-brand strong {
  font-size: 20px;
  letter-spacing: 0.08em;
}

.footer-brand p {
  margin: 2px 0 0;
  color: #7e7c90;
  font-size: 10px;
}

.back-top {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #bbb9c7;
  font-size: 12px;
}

.back-top span {
  width: 31px;
  height: 31px;
  display: grid;
  place-items: center;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(260px, 1.45fr) repeat(3, minmax(120px, 0.75fr));
  gap: 50px;
  padding: 52px 0;
}

.footer-statement p {
  max-width: 390px;
  margin: 0 0 19px;
  color: #858395;
  font-size: 13px;
}

.footer-statement span {
  color: #dedce7;
  font-size: 13px;
  font-weight: 700;
}

.footer-links {
  display: grid;
  align-content: start;
  gap: 9px;
}

.footer-links h2 {
  margin: 0 0 11px;
  color: #f0eef5;
  font-size: 12px;
}

.footer-links a {
  width: fit-content;
  color: #777589;
  font-size: 11px;
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer-links a:hover {
  color: #fff;
  transform: translateX(3px);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 23px;
  color: #5f5d70;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 10px;
}

.footer-bottom p {
  margin: 0;
}

/* Reveal states */
.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.75s ease, transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.js .reveal-delay {
  transition-delay: 0.1s;
}

.js .reveal-delay-2 {
  transition-delay: 0.18s;
}

@media (max-width: 1080px) {
  .hero {
    min-height: auto;
    padding-top: 150px;
  }

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

  .hero-copy {
    max-width: 780px;
  }

  .hero-media {
    width: min(860px, 100%);
    justify-self: end;
  }

  .hero-image-wrap.banner-transparent img {
    width: 100%;
    max-width: 100%;
    transform: none;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 25px;
  }

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

  .position-card:last-child {
    grid-column: 1 / -1;
    min-height: 360px;
  }

  .feature-story {
    gap: 50px;
    padding: 32px;
  }

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

  .footer-grid {
    grid-template-columns: 1.4fr repeat(2, 1fr);
  }

  .footer-links:last-child {
    grid-column: 2 / -1;
  }
}

@media (min-width: 1081px) {
  .hero-copy {
    padding-left: clamp(38px, 4vw, 64px);
  }

  .hero-actions {
    max-width: 590px;
    justify-content: center;
    padding-right: 0;
  }
}

@media (max-width: 860px) {
  .site-header,
  .site-header.is-scrolled {
    height: 70px;
  }

  .nav-toggle {
    display: grid;
  }

  .nav-toggle[aria-expanded="true"] > span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] > span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle[aria-expanded="true"] > span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .primary-nav {
    position: fixed;
    top: 69px;
    right: 0;
    bottom: 0;
    left: 0;
    display: grid;
    align-content: start;
    gap: 0;
    padding: 34px 24px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
  }

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

  .primary-nav > a:not(.nav-cta) {
    padding: 18px 3px;
    border-bottom: 1px solid var(--line);
    font-size: 18px;
  }

  .nav-cta {
    margin-top: 24px;
    padding: 15px 20px;
    text-align: center;
  }

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

  .feature-reverse .feature-media {
    order: 0;
  }

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

  .guide-intro,
  .faq-intro {
    position: static;
  }

  .official-cta {
    align-items: flex-start;
    flex-direction: column;
  }

  .advantage-resources {
    align-items: flex-start;
    flex-direction: column;
  }

  .advantage-resources > div {
    justify-content: flex-start;
  }

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

  .footer-statement {
    grid-column: 1 / -1;
  }

  .footer-links:last-child {
    grid-column: auto;
  }
}

@media (max-width: 620px) {
  .page-shell,
  .nav-shell {
    width: min(calc(100% - 32px), var(--max-width));
  }

  .brand-copy small {
    display: none;
  }

  .hero {
    padding: 120px 0 92px;
  }

  .hero h1 {
    margin-top: 22px;
    font-size: clamp(26px, 7.8vw, 40px);
    letter-spacing: -0.065em;
    white-space: nowrap;
  }

  .hero-lead {
    font-size: 15px;
  }

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

  .button {
    width: 100%;
  }

  .hero-facts {
    margin-top: 40px;
  }

  .hero-facts div {
    min-width: 0;
    flex: 1;
    padding: 0 13px;
  }

  .hero-facts strong {
    font-size: 22px;
  }

  .hero-facts span {
    font-size: 9px;
  }

  .hero-image-wrap {
    border-radius: 23px 8px 23px 8px;
    transform: none;
  }

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

  .chip-top {
    top: 12px;
    right: 12px;
  }

  .chip-bottom {
    right: 12px;
    bottom: 12px;
  }

  .image-caption,
  .scroll-cue {
    display: none;
  }

  .overview,
  .features,
  .download-guide,
  .advantages,
  .faq {
    padding: 88px 0;
  }

  .section-heading,
  .section-heading.compact {
    margin-bottom: 42px;
  }

  .section-heading h2,
  .guide-intro h2,
  .faq-intro h2 {
    font-size: 39px;
  }

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

  .position-card,
  .position-card:last-child {
    min-height: 410px;
    grid-column: auto;
    padding: 28px;
  }

  .safety-note {
    grid-template-columns: 1fr;
    padding: 24px;
  }

  .feature-story {
    gap: 32px;
    padding: 18px 18px 28px;
    border-radius: 25px;
  }

  .feature-copy {
    padding: 0 5px;
  }

  .feature-copy h3 {
    font-size: 31px;
  }

  .guide-layout,
  .faq-layout {
    gap: 55px;
  }

  .guide-step {
    grid-template-columns: 42px 1fr;
    gap: 14px;
  }

  .official-cta {
    margin-top: 56px;
    padding: 26px;
  }

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

  .advantage-card {
    min-height: 330px;
    padding: 28px;
  }

  .advantage-icon {
    margin-bottom: 58px;
  }

  .advantage-resources {
    padding: 22px;
  }

  .advantage-resources > div {
    display: grid;
  }

  .faq-item summary {
    grid-template-columns: 28px 1fr 20px;
    gap: 10px;
    padding: 22px 0;
  }

  .faq-item summary span:nth-child(2) {
    font-size: 15px;
  }

  .faq-answer {
    padding: 0 0 26px 38px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px 25px;
  }

  .footer-statement,
  .footer-links:last-child {
    grid-column: 1 / -1;
  }
}

@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;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}

@media print {
  .site-header,
  .scroll-progress,
  .scroll-cue,
  .hero-actions,
  .back-top {
    display: none !important;
  }

  .hero,
  .download-guide,
  .site-footer {
    color: #000;
    background: #fff;
  }

  .hero {
    min-height: auto;
    padding-top: 40px;
  }

  .faq-item {
    break-inside: avoid;
  }

  .faq-item[open] .faq-answer,
  .faq-answer {
    display: block;
  }
}