@font-face {
  font-family: 'Inter';
  src: url('./assets/fonts/Inter-400.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('./assets/fonts/Inter-600.ttf') format('truetype');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('./assets/fonts/Inter-700.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('./assets/fonts/Inter-800.ttf') format('truetype');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('./assets/fonts/Inter-900.ttf') format('truetype');
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #000000;
  --bg-soft: #09090b;
  --fg: #ffffff;
  --muted: #a1a1aa;
  --muted-2: #d4d4d8;
  --line: linear-gradient(90deg, #3b82f6 0%, #22d3ee 100%);
  --button: linear-gradient(90deg, #2563eb 0%, #0891b2 100%);
  --button-shadow: 0 24px 48px rgba(59, 130, 246, 0.35);
  --card-blue: linear-gradient(135deg, rgba(37, 99, 235, 0.2) 0%, rgba(34, 211, 238, 0.2) 100%);
  --card-cyan: linear-gradient(135deg, rgba(8, 145, 178, 0.2) 0%, rgba(13, 148, 136, 0.2) 100%);
  --border-blue: rgba(59, 130, 246, 0.2);
  --border-cyan: rgba(34, 211, 238, 0.2);
  --container: 1280px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: #000;
  color: var(--fg);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
}

body {
  overflow-x: hidden;
}

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

button {
  font: inherit;
  border: 0;
  cursor: pointer;
}

.page {
  background: #000;
}

.hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
}

.hero__scene,
.hero__scene::before,
.hero__scene::after {
  position: absolute;
  inset: 0;
}

.hero__scene::before,
.hero__scene::after {
  content: "";
  z-index: 1;
}

.hero__scene::before {
  background: linear-gradient(90deg, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0.92) 14%, rgba(0, 0, 0, 0.4) 52%, rgba(0, 0, 0, 0) 100%);
}

.hero__scene::after {
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0) 30%);
}

.hero__bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  transform: scale(1.03);
  transition: transform 220ms ease-out;
  filter: saturate(0.9) brightness(0.92);
}

.hero__mask {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero__mask--right {
  background: linear-gradient(90deg, rgba(0, 0, 0, 0) 45%, rgba(0, 0, 0, 0.08) 65%, rgba(0, 0, 0, 0.18) 100%);
}

.hero__mask--bottom {
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 56%, rgba(0, 0, 0, 0.55) 100%);
}

.hero__inner {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 4rem 2rem;
}

.hero__header,
.section__inner,
.footer__inner {
  width: min(var(--container), 100%);
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand-text {
  gap: 0.02em;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.08em;
}

.hero__header .brand-text {
  font-size: clamp(4.8rem, 8vw, 6.25rem);
}

.brand-text__mod {
  color: #1d4ed8;
}

.brand-text__go {
  color: #14d7ff;
}

.hero__content {
  max-width: 48rem;
  width: 100%;
  margin-top: auto;
  margin-bottom: auto;
}

.hero__title {
  margin: 0 0 32px;
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.hero__rule,
.section__rule {
  display: block;
  width: 96px;
  height: 4px;
  border-radius: 999px;
  background: var(--line);
}

.hero__rule {
  margin-bottom: 32px;
}

.hero__desc {
  margin: 0 0 48px;
  max-width: 42rem;
  color: #e4e4e7;
  font-size: clamp(1.25rem, 2vw, 1.875rem);
  line-height: 1.65;
}

.hero__desc span {
  color: #22d3ee;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
}

.primary-button {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 20px 40px;
  border-radius: 999px;
  background: var(--button);
  color: #fff;
  font-size: 1.125rem;
  font-weight: 700;
  box-shadow: var(--button-shadow);
  transition: transform 180ms ease, box-shadow 180ms ease, filter 180ms ease;
}

.primary-button:hover {
  transform: scale(1.05);
  filter: brightness(1.05);
  box-shadow: 0 28px 52px rgba(34, 211, 238, 0.34);
}

.primary-button:active {
  transform: scale(0.96);
}

.primary-button--large {
  padding: 24px 64px;
  font-size: 1.25rem;
}

.primary-button__icon {
  position: relative;
  width: 24px;
  height: 32px;
  border: 2px solid rgba(255, 255, 255, 0.95);
  border-radius: 5px;
}

.primary-button__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 4px;
  width: 4px;
  height: 4px;
  margin-left: -2px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 50%;
}

.hero__search {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #a1a1aa;
  font-size: 0.875rem;
}

.hero__search-line {
  width: 48px;
  height: 1px;
  background: #52525b;
}

.hero__scroll {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: #a1a1aa;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  animation: floatY 2s ease-in-out infinite;
}

.hero-fade {
  will-change: transform, opacity;
}

.hero__scroll-indicator {
  position: relative;
  width: 24px;
  height: 24px;
}

.hero__scroll-indicator::before,
.hero__scroll-indicator::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 10px;
  height: 10px;
  margin-left: -5px;
  border-right: 2px solid #a1a1aa;
  border-bottom: 2px solid #a1a1aa;
  transform: rotate(45deg);
}

.hero__scroll-indicator::before {
  top: 2px;
}

.hero__scroll-indicator::after {
  top: 9px;
}

.section {
  position: relative;
  padding: 8rem 2rem;
}

.section--dark {
  background: #09090b;
}

.section--black {
  background: #000;
}

.section__heading {
  margin-bottom: 5rem;
}

.section__heading h2,
.cta-section h2,
.banner-section__inner h2 {
  margin: 0 0 2rem;
  font-size: clamp(3rem, 5vw, 4.5rem);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.capabilities__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6rem;
}

.feature-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 6rem;
  height: 6rem;
  margin-bottom: 2rem;
  border: 1px solid transparent;
  border-radius: 1.5rem;
  transition: border-color 220ms ease, transform 220ms ease, box-shadow 220ms ease;
}

.feature-card {
  position: relative;
  overflow: hidden;
  transition: transform 280ms ease;
}

.feature-card:hover {
  transform: translateY(-4px);
}

.feature-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(34, 211, 238, 0.12), transparent 58%);
  opacity: 0;
  transition: opacity 260ms ease;
  pointer-events: none;
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-card:hover .feature-card__icon {
  transform: translateY(-2px);
  box-shadow: 0 18px 32px rgba(8, 145, 178, 0.16);
}

.feature-card__icon--blue {
  background: var(--card-blue);
  border-color: var(--border-blue);
}

.feature-card__icon--cyan {
  background: var(--card-cyan);
  border-color: var(--border-cyan);
}

.feature-card__glyph {
  color: #60a5fa;
  font-size: 2.75rem;
  line-height: 1;
}

.feature-card__icon--cyan .feature-card__glyph {
  color: #22d3ee;
}

.feature-card h3 {
  margin: 0 0 1.5rem;
  font-size: clamp(2rem, 3vw, 2.25rem);
  font-weight: 700;
}

.feature-card p {
  margin: 0 0 1.5rem;
  color: #a1a1aa;
  font-size: 1.25rem;
  line-height: 1.8;
}

.feature-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-card li {
  position: relative;
  margin-bottom: 0.9rem;
  padding-left: 1.25rem;
  color: #71717a;
  font-size: 1rem;
}

.feature-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72rem;
  width: 6px;
  height: 6px;
  background: #22d3ee;
  border-radius: 50%;
}

.banner-section {
  position: relative;
  height: 80vh;
  overflow: hidden;
}

.banner-section__bg,
.banner-section__overlay {
  position: absolute;
  inset: 0;
}

.banner-section__bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  transform: scale(1.04);
  transition: transform 220ms ease-out;
  filter: saturate(0.92) brightness(0.9);
}

.banner-section__overlay {
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.45) 0%, rgba(0, 0, 0, 0.72) 100%);
}

.banner-section__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 0 2rem;
  text-align: center;
  will-change: transform, opacity;
}

.banner-section__icon {
  margin-bottom: 2rem;
  color: #22d3ee;
  font-size: 5rem;
}

.banner-section__inner p,
.cta-section p {
  margin: 0;
  color: #d4d4d8;
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  line-height: 1.8;
}

.cta-section__inner {
  max-width: 80rem;
  text-align: center;
}

.cta-section__button {
  box-shadow: 0 24px 52px rgba(37, 99, 235, 0.34);
}

.cta-section__button:hover {
  transform: translateY(-2px) scale(1.05);
}

.cta-section__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 3rem;
  padding: 0.75rem 1.5rem;
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(37, 99, 235, 0.2) 0%, rgba(34, 211, 238, 0.2) 100%);
  color: #22d3ee;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.cta-section__tag-icon {
  font-size: 1rem;
}

.cta-section h2 {
  font-size: clamp(3.25rem, 7vw, 6rem);
}

.cta-section p {
  max-width: 40rem;
  margin: 0 auto 4rem;
  color: #a1a1aa;
}

.footer {
  background: #000;
  border-top: 1px solid #27272a;
  padding: 4rem 2rem;
}

.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer__brand-block {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.footer__logo {
  width: fit-content;
}

.brand-text--footer {
  font-size: 3rem;
}

.footer__brand-block p {
  max-width: 22rem;
  margin: 0;
  color: #71717a;
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2rem;
  font-size: 0.875rem;
}

.footer__grid h4 {
  margin: 0 0 1rem;
  font-size: 1rem;
  font-weight: 700;
}

.footer__grid a {
  display: block;
  margin-bottom: 0.65rem;
  color: #71717a;
  text-decoration: none;
  transition: color 160ms ease;
}

.footer__grid a:hover,
.footer__bottom a:hover {
  color: #22d3ee;
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid #27272a;
  color: #52525b;
  font-size: 0.875rem;
}

.footer__bottom a {
  color: inherit;
  text-decoration: none;
  transition: color 160ms ease;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(36px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

[data-reveal][data-reveal-direction="left"] {
  transform: translateX(-40px);
}

[data-reveal][data-reveal-direction="right"] {
  transform: translateX(40px);
}

[data-reveal][style*="--reveal-delay"] {
  transition-delay: var(--reveal-delay, 0ms);
}

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

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

@media (max-width: 960px) {
  .hero__inner {
    padding-left: 4rem;
    padding-right: 4rem;
  }

  .hero__header .brand-text {
    font-size: clamp(4.25rem, 11vw, 5.4rem);
  }

  .capabilities__grid,
  .footer__top {
    grid-template-columns: 1fr;
    display: grid;
  }

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

@media (max-width: 720px) {
  .hero__inner {
    padding: 32px 20px 32px;
  }

  .section,
  .footer {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .hero__header .brand-text {
    font-size: clamp(3.6rem, 13vw, 4.6rem);
  }

  .hero__actions {
    align-items: flex-start;
  }

  .hero__search {
    width: 100%;
  }

  .primary-button,
  .primary-button--large {
    width: 100%;
    justify-content: center;
    padding-left: 1.75rem;
    padding-right: 1.75rem;
  }

  .capabilities__grid {
    gap: 4rem;
  }

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

  .banner-section__inner p,
  .cta-section p,
  .feature-card p {
    line-height: 1.7;
  }
}

@media (min-width: 1024px) {
  .hero__inner,
  .section,
  .footer {
    padding-left: 6rem;
    padding-right: 6rem;
  }

  .hero__header .brand-text {
    font-size: clamp(5rem, 7vw, 6.25rem);
  }
}