@font-face {
  font-family: "Synflux Sans";
  src: url("../fonts/sans.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Synflux Sans";
  src: url("../fonts/sans-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #f5f7f6;
  --white: #ffffff;
  --ink: #12211c;
  --muted: #5c6b66;
  --line: #e3e8e6;
  --accent: #0c8f72;
  --accent-dark: #08745d;
  --deep: #10241f;
  --mint: #e7f6f1;
  --max: 1120px;
  --sans: "Synflux Sans", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
}

::selection {
  background: #b7eadc;
}

a {
  color: inherit;
}

a:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.85rem 4vw;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 600;
  font-size: 1.15rem;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.mark {
  width: 28px;
  height: 28px;
  display: block;
}

.nav {
  display: flex;
  gap: 1.4rem;
  margin-left: 0.5rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

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

.header-cta {
  margin-left: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-dark);
}

.btn-ghost {
  background: #fff;
  color: var(--ink);
  border-color: #c9d4d0;
}

.btn-ghost:hover {
  border-color: var(--ink);
}

.btn-light {
  background: #fff;
  color: var(--deep);
  flex: none;
}

.btn-light:hover {
  background: var(--mint);
}

.hero {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 2.5rem;
  align-items: center;
  max-width: var(--max);
  margin: 0 auto;
  padding: 3.4rem 4vw 1rem;
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--accent-dark);
  font-weight: 600;
  font-size: 0.92rem;
}

.eyebrow.light {
  color: #8ee0cb;
}

h1,
h2,
h3 {
  font-weight: 600;
  letter-spacing: -0.03em;
}

h1 {
  margin: 0;
  font-size: clamp(2.7rem, 4.6vw, 4.1rem);
  line-height: 1.08;
}

.lede {
  max-width: 36rem;
  margin: 1.1rem 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.board,
.block,
.contact {
  scroll-margin-top: 5rem;
}

.board {
  margin: 0;
  padding: 1.1rem;
  border: 1px solid var(--line);
  border-radius: 28px;
  background:
    radial-gradient(circle at 12% 0%, rgba(125, 222, 196, 0.45), transparent 36%),
    linear-gradient(180deg, #f7fbfa 0%, #e7f3ef 100%);
  box-shadow: 0 24px 50px rgba(16, 36, 31, 0.06);
}

.sources {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.sources li {
  display: grid;
  justify-items: center;
  gap: 0.35rem;
  padding: 0.55rem 0.2rem 0.45rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.78);
  text-align: center;
  font-size: 0.78rem;
  font-weight: 600;
}

.sources svg,
.client svg {
  width: 42px;
  height: 42px;
}

.win {
  margin-top: 0.75rem;
  overflow: hidden;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(16, 36, 31, 0.06);
}

.win-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 0.9rem;
  background: #f7faf9;
  color: var(--muted);
  font-size: 0.85rem;
}

.win-bar i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #b7e0c8;
}

.win-bar i:first-child {
  background: #f0b4a8;
}

.win-bar i:nth-child(2) {
  background: #efd08a;
}

.win-bar span {
  margin-left: 0.45rem;
}

.files {
  margin: 0;
  padding: 0.25rem 0.9rem 0.45rem;
  list-style: none;
}

.files li {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  padding: 0.45rem 0.1rem;
  border-bottom: 1px solid #f0f4f2;
}

.files li:last-child {
  border-bottom: 0;
}

.files li::before {
  content: "";
  width: 18px;
  height: 14px;
  border-radius: 3px 3px 2px 2px;
  background: #0c8f72;
  box-shadow: 0 -4px 0 -1px #7ddec4;
  flex: none;
}

.files b {
  font-weight: 600;
}

.files em {
  margin-left: auto;
  color: var(--muted);
  font-style: normal;
  font-size: 0.85rem;
}

.clients {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
  margin-top: 0.75rem;
}

.client {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0.85rem;
  border-radius: 16px;
  background: #fff;
}

.client strong,
.client span {
  display: block;
}

.client span {
  color: var(--muted);
  font-size: 0.82rem;
}

.block {
  max-width: var(--max);
  margin: 0 auto;
  padding: 3.4rem 4vw 0;
}

.section-intro {
  max-width: 40rem;
  margin-bottom: 1.3rem;
}

.section-intro h2,
.contact h2 {
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  line-height: 1.25;
}

.section-intro p {
  margin: 0.65rem 0 0;
  color: var(--muted);
}

.cards {
  display: grid;
  gap: 1rem;
}

.cards.four {
  grid-template-columns: 1fr 1fr;
}

.cards.three {
  grid-template-columns: repeat(3, 1fr);
}

.cards.two {
  grid-template-columns: 1fr 1fr;
}

.cards article {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #fff;
}

.cards img {
  display: block;
  width: 100%;
  height: auto;
  background: #f3faf7;
}

.cards article > div {
  padding: 1rem 1.15rem 1.2rem;
}

.cards h3 {
  margin: 0 0 0.4rem;
  font-size: 1.15rem;
}

.cards p {
  margin: 0;
  color: var(--muted);
}

.cards p + p {
  margin-top: 0.65rem;
}

.kicker {
  margin: 0 0 0.3rem;
  color: var(--accent-dark);
  font-size: 0.82rem;
  font-weight: 600;
}

.ops {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.ops li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.8rem 0.4rem 0.45rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  font-size: 0.92rem;
}

.ops svg {
  width: 28px;
  height: 28px;
  flex: none;
}

.limits {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.limits li {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 1rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
}

.limits svg {
  width: 56px;
  height: 56px;
  flex: none;
}

.limits strong,
.limits span {
  display: block;
}

.limits span {
  color: var(--muted);
}

.contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  max-width: var(--max);
  margin: 3rem auto 0;
  padding: 2rem;
  border-radius: 24px;
  background:
    radial-gradient(circle at 100% 0%, rgba(125, 222, 196, 0.28), transparent 32%),
    var(--deep);
  color: #fff;
}

.contact h2 {
  margin-top: 0.3rem;
}

.site-footer {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 0.4rem 2rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.2rem 4vw 3rem;
  color: var(--muted);
}

.site-footer p {
  margin: 0;
}

.brand-name {
  color: var(--ink);
  font-weight: 600;
  font-size: 1.05rem;
}

.site-footer a {
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

.fine {
  grid-column: 1 / -1;
  margin-top: 0.8rem;
  font-size: 0.88rem;
}

@media (max-width: 980px) {
  .hero,
  .cards.three,
  .cards.four {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 720px) {
  .nav {
    display: none;
  }

  .sources,
  .clients,
  .cards.two,
  .limits,
  .site-footer {
    grid-template-columns: 1fr;
  }

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

  .sources li:last-child {
    grid-column: 1 / -1;
  }

  .contact {
    flex-direction: column;
    align-items: flex-start;
    margin-right: 4vw;
    margin-left: 4vw;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}