:root {
  color-scheme: dark;
  --bg: #050708;
  --panel: rgba(12, 15, 17, 0.82);
  --panel-strong: rgba(18, 22, 25, 0.9);
  --line: rgba(255, 255, 255, 0.17);
  --line-soft: rgba(255, 255, 255, 0.09);
  --text: #f7f7f3;
  --muted: #c7d0d8;
  --dim: #7f8b95;
  --cyan: #8bdcff;
  --mint: #73f0c7;
  --amber: #ffcc7a;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.46);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at 14% 75%, rgba(80, 184, 255, 0.14), transparent 28%),
    radial-gradient(circle at 82% 16%, rgba(115, 240, 199, 0.1), transparent 24%),
    var(--bg);
  color: var(--text);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  content: "";
  background:
    linear-gradient(rgba(139, 220, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139, 220, 255, 0.08) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 92%);
  transform: perspective(500px) rotateX(57deg) scale(1.8) translateY(-170px);
  transform-origin: top center;
}

body::after {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(120deg, transparent 0 48%, rgba(255, 255, 255, 0.06) 49%, transparent 50%),
    radial-gradient(circle, rgba(255, 255, 255, 0.26) 1px, transparent 1.5px);
  background-size: 180px 180px, 220px 220px;
  opacity: 0.28;
}

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

.page-shell {
  width: min(1520px, calc(100% - 64px));
  margin: 0 auto;
  padding: 30px 0 34px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 190px;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  font-weight: 900;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 16px;
}

.brand small {
  margin-top: 1px;
  color: var(--dim);
  font-size: 11px;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.nav-links a,
.status-pill,
.feature-strip span,
.mini-status span {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.nav-links a {
  padding: 8px 16px;
  border-radius: 9px;
  font-size: 13px;
  font-weight: 800;
  transition:
    transform 0.18s ease,
    color 0.18s ease,
    border-color 0.18s ease,
    background 0.18s ease,
    box-shadow 0.18s ease;
}

.nav-links a:hover {
  transform: translateY(-3px);
  color: #ffffff;
  border-color: rgba(139, 220, 255, 0.78);
  background: rgba(139, 220, 255, 0.14);
  box-shadow:
    0 10px 24px rgba(139, 220, 255, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.nav-links a:focus-visible {
  outline: 2px solid rgba(139, 220, 255, 0.9);
  outline-offset: 3px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: max-content;
  padding: 7px 18px;
  border-color: rgba(115, 240, 199, 0.36);
  border-radius: 999px;
  color: #d9fff4;
  font-size: 12px;
}

.status-pill span {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 14px var(--cyan);
}

.glass-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.06), transparent 45%),
    var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(320px, 1fr);
  gap: 18px;
}

.hero-card,
.benefit-card {
  position: relative;
  overflow: hidden;
  min-height: 300px;
  padding: 34px 36px;
}

.card-icon,
.gift-icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  margin-bottom: 14px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-weight: 900;
}

.gift-icon {
  background: rgba(139, 220, 255, 0.14);
  color: var(--cyan);
}

.hero-card h1 {
  max-width: 680px;
  margin: 0 0 14px;
  font-size: clamp(44px, 6vw, 64px);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-card p,
.benefit-card p,
.api-card p,
.section-heading p {
  color: var(--muted);
  line-height: 1.75;
}

.hero-card p {
  max-width: 740px;
  margin: 0 0 24px;
  font-size: 17px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 39px;
  padding: 0 20px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 900;
}

.button-primary {
  background: #fff;
  color: #050708;
  box-shadow: 0 14px 28px rgba(255, 255, 255, 0.12);
}

.button-ghost {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.07);
}

.button-full {
  width: 100%;
}

.mini-status {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.mini-status span {
  padding: 6px 12px;
  border-color: rgba(139, 220, 255, 0.36);
  border-radius: 999px;
  color: #d9f5ff;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 11px;
  font-weight: 800;
}

.orbital {
  position: absolute;
  top: 20px;
  right: 38px;
  width: 132px;
  height: 132px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
}

.orbital::before,
.orbital::after {
  position: absolute;
  inset: 18px;
  content: "";
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: inherit;
}

.orbital::after {
  inset: 38px;
}

.orbital span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 16px var(--cyan);
  transform-origin: 0 0;
}

.orbital span:nth-child(1) {
  animation: orbit-outer 8s linear infinite;
}

.orbital span:nth-child(2) {
  animation: orbit-middle 6s linear infinite reverse;
}

.orbital span:nth-child(3) {
  animation: orbit-inner 4.5s linear infinite;
}

@keyframes orbit-outer {
  from {
    transform: rotate(0deg) translateX(66px) translate(-3px, -3px);
  }
  to {
    transform: rotate(360deg) translateX(66px) translate(-3px, -3px);
  }
}

@keyframes orbit-middle {
  from {
    transform: rotate(0deg) translateX(48px) translate(-3px, -3px);
  }
  to {
    transform: rotate(360deg) translateX(48px) translate(-3px, -3px);
  }
}

@keyframes orbit-inner {
  from {
    transform: rotate(0deg) translateX(28px) translate(-3px, -3px);
  }
  to {
    transform: rotate(360deg) translateX(28px) translate(-3px, -3px);
  }
}

.benefit-card h2,
.notice-card h2 {
  margin: 8px 0 8px;
  font-size: 26px;
}

.benefit-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 22px 0;
}

.benefit-metrics div {
  min-height: 74px;
  padding: 12px 10px;
  border: 1px solid var(--line-soft);
  border-radius: 9px;
  background: rgba(0, 0, 0, 0.22);
}

.benefit-metrics strong,
.benefit-metrics span {
  display: block;
}

.benefit-metrics strong {
  font-size: 17px;
}

.benefit-metrics span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin: 34px 0 16px;
}

.section-heading h2 {
  margin: 0;
  font-size: 25px;
}

.section-heading p {
  margin: 0;
  text-align: right;
}

.api-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.api-card {
  overflow: hidden;
}

.api-visual {
  display: grid;
  aspect-ratio: 16 / 9;
  width: 100%;
  place-items: center;
  border-bottom: 1px solid var(--line-soft);
  background-size: cover;
  background-position: center;
}

.api-visual span {
  padding: 11px 22px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.52);
  font-weight: 900;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.28);
}

.visual-claude {
  background:
    linear-gradient(rgba(0, 0, 0, 0.12), rgba(0, 0, 0, 0.68)),
    url("/landing-assets/claude.webp");
  background-size: cover;
  background-position: center;
}

.visual-codex {
  background:
    linear-gradient(rgba(0, 0, 0, 0.12), rgba(0, 0, 0, 0.68)),
    url("/landing-assets/codex.webp");
  background-size: cover;
  background-position: center;
}

.visual-gemini {
  background:
    linear-gradient(rgba(0, 0, 0, 0.12), rgba(0, 0, 0, 0.68)),
    url("/landing-assets/gemini.webp");
  background-size: cover;
  background-position: center;
}

.visual-image {
  background:
    linear-gradient(rgba(0, 0, 0, 0.12), rgba(0, 0, 0, 0.68)),
    url("/landing-assets/image-api.webp");
  background-size: cover;
  background-position: center;
}

.api-body {
  padding: 20px 20px 18px;
}

.api-body h3 {
  margin: 0 0 6px;
  font-size: 22px;
}

.api-body p {
  min-height: 58px;
  margin: 0 0 14px;
  font-size: 14px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.tags span {
  padding: 5px 9px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.feature-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 18px 0;
}

.feature-strip span {
  padding: 11px 13px;
  border-radius: 12px;
  color: #dfe7ee;
  font-size: 12px;
  font-weight: 900;
}

.bottom-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 1fr);
  gap: 18px;
}

.terminal-card,
.notice-card {
  min-height: 166px;
  padding: 22px;
}

pre {
  margin: 0;
  overflow-x: auto;
}

code {
  color: #d8f2ff;
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 14px;
  line-height: 1.65;
}

code::selection {
  background: rgba(139, 220, 255, 0.3);
}

.notice-card ul {
  padding: 0;
  margin: 10px 0 0;
  list-style: none;
}

.notice-card li {
  position: relative;
  margin: 10px 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.6;
}

.notice-card li::before {
  position: absolute;
  top: 9px;
  left: 0;
  width: 7px;
  height: 7px;
  content: "";
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 28px;
  color: var(--dim);
  font-size: 12px;
}

.site-footer a {
  padding: 8px 12px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
}

@media (max-width: 1060px) {
  .site-header,
  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

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

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

  .section-heading p {
    text-align: left;
  }
}

@media (max-width: 680px) {
  .page-shell {
    width: min(100% - 28px, 1380px);
    padding-top: 18px;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .nav-links a {
    padding: 8px 12px;
  }

  .hero-card,
  .benefit-card,
  .terminal-card,
  .notice-card {
    padding: 22px;
  }

  .hero-card h1 {
    font-size: 42px;
  }

  .orbital {
    opacity: 0.42;
    right: -20px;
  }

  .api-grid,
  .feature-strip,
  .benefit-metrics {
    grid-template-columns: 1fr;
  }

  .api-body p {
    min-height: 0;
  }

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

.cursor-glow {
  position: fixed;
  left: var(--x, 50vw);
  top: var(--y, 50vh);
  z-index: 2;
  width: 260px;
  height: 260px;
  pointer-events: none;
  border-radius: 999px;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.22) 0%,
    rgba(139, 220, 255, 0.12) 26%,
    rgba(255, 255, 255, 0.04) 44%,
    transparent 70%
  );
  filter: blur(10px);
  opacity: 0.75;
  transform: translate(-50%, -50%);
  mix-blend-mode: screen;
  transition:
    left 0.12s linear,
    top 0.12s linear;
}

.page-shell {
  position: relative;
  z-index: 3;
}

.api-visual {
  position: relative;
  overflow: hidden;
  background: none !important;
}

.api-visual::before {
  position: absolute;
  inset: 0;
  z-index: 0;
  content: "";
  background-size: cover;
  background-position: center;
  transition:
    transform 2.2s cubic-bezier(0.16, 1, 0.3, 1),
    filter 2.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.api-visual::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  content: "";
  background: linear-gradient(rgba(0, 0, 0, 0.12), rgba(0, 0, 0, 0.68));
}

.api-visual span {
  position: relative;
  z-index: 2;
}

.api-card:hover .api-visual::before {
  transform: scale(1.08);
  filter: saturate(1.12) brightness(1.06);
}

.visual-claude::before {
  background-image: url("/landing-assets/claude.webp");
}

.visual-codex::before {
  background-image: url("/landing-assets/codex.webp");
}

.visual-gemini::before {
  background-image: url("/landing-assets/gemini.webp");
}

.visual-image::before {
  background-image: url("/landing-assets/image-api.webp");
}

.button {
  transition:
    transform 0.18s ease;
}

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

.gift-icon {
  position: relative;
}

.gift-icon {
  display: grid;
  place-items: center;
}

.gift-svg {
  width: 22px;
  height: 22px;
  stroke: var(--cyan);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 8px rgba(139, 220, 255, 0.35));
}