:root {
  color-scheme: dark;
  --bg: #07080d;
  --panel: #101117;
  --panel-2: #151721;
  --text: #f4f2ed;
  --muted: #9b9da5;
  --gold: #f0a928;
  --blue: #415dff;
  --line: rgba(255, 255, 255, 0.14);
  --line-strong: rgba(240, 169, 40, 0.38);
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 18% 10%, rgba(65, 93, 255, 0.22), transparent 28rem),
    radial-gradient(circle at 86% 0%, rgba(240, 169, 40, 0.12), transparent 24rem),
    var(--bg);
  color: var(--text);
  font-family: Manrope, "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  letter-spacing: 0;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}

a {
  color: inherit;
}

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

main {
  overflow: hidden;
}

.hero,
.section {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  gap: 44px;
  align-items: center;
  min-height: 92vh;
  padding: 72px 0 48px;
}

.hero__backdrop {
  position: absolute;
  inset: 40px -8vw 28px;
  z-index: -1;
  border: 1px solid var(--line);
  background:
    linear-gradient(130deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.01)),
    rgba(16, 17, 23, 0.62);
  box-shadow: var(--shadow);
}

.hero__backdrop::after {
  position: absolute;
  inset: auto 8% 0;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, var(--gold), var(--blue), transparent);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 0.88rem;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(3.9rem, 9vw, 8.1rem);
  line-height: 0.88;
  font-weight: 900;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 3.8vw, 4.4rem);
  line-height: 1.02;
  font-weight: 880;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.08rem;
  line-height: 1.25;
}

p,
dd,
dt,
figcaption,
span {
  font-size: 1rem;
  line-height: 1.72;
}

.lead {
  max-width: 690px;
  color: rgba(244, 242, 237, 0.82);
  font-size: clamp(1.1rem, 1.7vw, 1.42rem);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
  font-weight: 800;
  text-decoration: none;
}

.button--primary {
  border-color: rgba(240, 169, 40, 0.62);
  background: linear-gradient(135deg, rgba(240, 169, 40, 0.95), rgba(205, 121, 18, 0.92));
  color: #15110a;
}

.hero__visual {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: #090a10;
  box-shadow: var(--shadow);
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.hero__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.section {
  padding: 72px 0;
}

.section--tight {
  padding-top: 34px;
}

.section__header {
  max-width: 780px;
}

.section__header p:not(.eyebrow) {
  color: var(--muted);
  font-size: 1.08rem;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 32px;
}

.summary-grid article,
.agent-list > div {
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.015));
}

.summary-grid article {
  min-height: 220px;
  padding: 24px;
}

.summary-grid span {
  display: block;
  margin-bottom: 48px;
  color: var(--gold);
  font-weight: 900;
}

.summary-grid p,
.agent-list span,
.closing p {
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(440px, 1.15fr);
  gap: 38px;
  align-items: start;
}

.agent-list {
  display: grid;
  gap: 12px;
}

.agent-list > div {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  min-height: 76px;
  padding: 18px 20px;
}

.agent-list strong {
  color: var(--text);
  font-size: 1.05rem;
}

.agent-list span {
  display: block;
}

.screenshots {
  width: 100%;
  padding-inline: max(20px, calc((100vw - 1180px) / 2));
  background:
    linear-gradient(180deg, rgba(16, 17, 23, 0.2), rgba(16, 17, 23, 0.72)),
    linear-gradient(90deg, transparent, rgba(65, 93, 255, 0.08), transparent);
}

.phone-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.phone-grid figure {
  margin: 0;
  padding: 12px;
  border: 1px solid var(--line);
  background: #0c0d13;
}

.phone-grid img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  object-position: top center;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

figcaption {
  margin-top: 12px;
  color: rgba(244, 242, 237, 0.74);
  font-weight: 700;
}

.detail-band {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(520px, 1.2fr);
  gap: 42px;
  align-items: start;
}

.facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--line);
}

.facts div {
  min-height: 116px;
  padding: 18px;
  background: var(--panel);
}

.facts dt {
  margin-bottom: 8px;
  color: var(--gold);
  font-weight: 900;
}

.facts dd {
  margin: 0;
  color: rgba(244, 242, 237, 0.78);
}

.closing {
  margin-bottom: 70px;
  padding: 48px;
  border: 1px solid var(--line-strong);
  background:
    radial-gradient(circle at 80% 20%, rgba(65, 93, 255, 0.16), transparent 22rem),
    linear-gradient(135deg, rgba(240, 169, 40, 0.08), rgba(255, 255, 255, 0.02)),
    var(--panel);
}

.closing p {
  max-width: 760px;
}

@media (prefers-reduced-motion: no-preference) {
  .hero__visual {
    animation: lift 7s ease-in-out infinite;
  }

  .hero__backdrop::after {
    animation: scan 8s ease-in-out infinite;
  }
}

@keyframes lift {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes scan {
  0%,
  100% {
    opacity: 0.42;
    transform: translateX(-8%);
  }
  50% {
    opacity: 0.9;
    transform: translateX(8%);
  }
}

@media (max-width: 980px) {
  .hero,
  .split,
  .detail-band {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 54px;
  }

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

  .hero__visual {
    min-height: 320px;
  }
}

@media (max-width: 620px) {
  .hero,
  .section {
    width: min(100% - 28px, 1180px);
  }

  h1 {
    font-size: clamp(3.2rem, 16vw, 5rem);
  }

  .summary-grid,
  .phone-grid,
  .facts {
    grid-template-columns: 1fr;
  }

  .agent-list > div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .closing {
    padding: 28px;
  }

  .button {
    width: 100%;
  }
}
