:root {
  color-scheme: light;
  --ink: #15181d;
  --muted: #6e747d;
  --soft: #f6f7f9;
  --line: #e7e9ee;
  --white: #ffffff;
  --moon: #f4f0e6;
  --blue: #3158d4;
  --green: #1c8f77;
  --amber: #b98335;
  --shadow: 0 30px 90px rgba(21, 24, 29, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family:
    Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial,
    sans-serif;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 22px clamp(22px, 5vw, 76px);
  background: rgba(255, 255, 255, 0.72);
  border-bottom: 1px solid rgba(231, 233, 238, 0.7);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  overflow: hidden;
  background: #fff;
  border: 1px solid #eef1f6;
  border-radius: 15px;
  box-shadow: 0 10px 26px rgba(21, 24, 29, 0.06);
}

.brand-mark img {
  display: block;
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.4vw, 34px);
  color: var(--muted);
  font-size: 14px;
}

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

.hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  display: grid;
  align-items: center;
  padding: 130px clamp(22px, 5vw, 76px) 80px;
  background:
    radial-gradient(circle at 70% 34%, rgba(244, 240, 230, 0.95) 0 9%, transparent 10%),
    radial-gradient(circle at 72% 36%, rgba(49, 88, 212, 0.1), transparent 22%),
    linear-gradient(180deg, #ffffff 0%, #f8f9fb 100%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1040px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 980px;
  margin-bottom: 28px;
  font-size: clamp(52px, 8vw, 112px);
  line-height: 0.98;
}

h2 {
  max-width: 920px;
  margin-bottom: 20px;
  font-size: clamp(34px, 5.4vw, 76px);
  line-height: 1.04;
}

h3 {
  margin-bottom: 12px;
  font-size: 24px;
}

p {
  color: var(--muted);
  line-height: 1.8;
}

.hero-copy {
  max-width: 720px;
  font-size: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-weight: 800;
}

.button.primary {
  color: #fff;
  background: var(--ink);
  border-color: var(--ink);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.72);
}

.moon-field {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.moon {
  position: absolute;
  right: clamp(42px, 12vw, 190px);
  top: clamp(120px, 18vh, 190px);
  width: clamp(150px, 22vw, 310px);
  aspect-ratio: 1;
  background:
    radial-gradient(circle at 35% 34%, rgba(255, 255, 255, 0.85), transparent 10%),
    radial-gradient(circle at 64% 62%, rgba(190, 178, 155, 0.24), transparent 12%),
    var(--moon);
  border: 1px solid #e0d7c7;
  border-radius: 50%;
  box-shadow: var(--shadow);
}

.orbit {
  position: absolute;
  right: clamp(-170px, -8vw, -80px);
  top: 96px;
  width: clamp(360px, 50vw, 720px);
  aspect-ratio: 1;
  border: 1px solid rgba(21, 24, 29, 0.08);
  border-radius: 50%;
}

.orbit-two {
  right: clamp(-230px, -10vw, -120px);
  top: 36px;
  width: clamp(460px, 62vw, 880px);
}

.star {
  position: absolute;
  width: 7px;
  height: 7px;
  background: var(--blue);
  border-radius: 50%;
  opacity: 0.45;
}

.star-one {
  right: 46%;
  top: 24%;
}

.star-two {
  right: 22%;
  bottom: 24%;
  background: var(--green);
}

.star-three {
  left: 10%;
  bottom: 18%;
  background: var(--amber);
}

.section {
  padding: clamp(76px, 11vw, 150px) clamp(22px, 5vw, 76px);
}

.manifesto {
  max-width: 1160px;
  margin: 0 auto;
}

.manifesto p {
  max-width: 860px;
  font-size: 20px;
}

.section-title {
  max-width: 980px;
  margin-bottom: 42px;
}

.work {
  background: var(--soft);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.work-grid article {
  min-height: 320px;
  padding: clamp(28px, 4vw, 48px);
  background: var(--white);
}

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

.method {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(34px, 7vw, 96px);
  align-items: start;
}

.method-list {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.method-list article {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 24px;
  align-items: start;
  padding: 26px;
  background: var(--white);
}

.method-list strong {
  font-size: 22px;
}

.method-list p {
  margin-bottom: 0;
}

.closing {
  min-height: 68vh;
  display: grid;
  align-items: center;
  color: #fff;
  background:
    radial-gradient(circle at 82% 28%, rgba(244, 240, 230, 0.36), transparent 18%),
    linear-gradient(135deg, #15181d 0%, #273140 100%);
}

.closing h2,
.closing p {
  color: #fff;
}

.closing p {
  max-width: 780px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 20px;
}

.closing .eyebrow,
.contact .eyebrow {
  color: #b9c8ff;
}

.contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background: var(--white);
}

.contact p {
  max-width: 620px;
}

.contact .button.primary {
  flex: 0 0 auto;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px 28px;
  padding: 26px clamp(22px, 5vw, 76px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

@media (max-width: 920px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero {
    min-height: 820px;
    align-items: end;
  }

  .work-grid,
  .method {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .brand span:last-child {
    max-width: 220px;
  }

  h1 {
    font-size: 48px;
  }

  h2 {
    font-size: 36px;
  }

  .hero-copy,
  .manifesto p,
  .closing p {
    font-size: 17px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .method-list article {
    grid-template-columns: 1fr;
  }
}
