:root {
  --ink: #071c2c;
  --midnight: #0b273a;
  --deep-teal: #0f5260;
  --teal: #2db9b0;
  --aqua: #68d7cf;
  --sky: #4bb4e6;
  --green: #77d05a;
  --gold: #ffb84a;
  --lavender: #8f6fe8;
  --mist: #f4faf9;
  --cloud: #e8f4f3;
  --slate: #5f7382;
  --white: #ffffff;
  --border: rgba(7, 28, 44, 0.12);
  --shadow: 0 24px 70px rgba(7, 28, 44, 0.13);
  --radius-sm: 14px;
  --radius-md: 24px;
  --radius-lg: 38px;
  --page: min(1180px, calc(100vw - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--mist);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--aqua); outline-offset: 4px; border-radius: 6px; }
.skip-link { position: fixed; left: 12px; top: -100px; z-index: 100; padding: 10px 14px; background: var(--white); color: var(--ink); }
.skip-link:focus { top: 12px; }

.site-header {
  width: var(--page);
  min-height: 82px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  position: relative;
  z-index: 20;
}
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-size: 1.06rem; font-weight: 850; letter-spacing: -0.03em; }
.brand img { display: block; }
.site-header nav { display: flex; align-items: center; gap: 26px; }
.site-header nav a { text-decoration: none; font-size: 0.9rem; font-weight: 700; color: #264557; }
.site-header nav a:hover { color: var(--deep-teal); }
.site-header .nav-cta { padding: 10px 16px; border: 1px solid rgba(15, 82, 96, 0.2); border-radius: 999px; color: var(--ink); background: rgba(255,255,255,0.68); }

.hero {
  width: var(--page);
  min-height: 690px;
  margin: 12px auto 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  background:
    radial-gradient(circle at 76% 32%, rgba(104, 215, 207, 0.16), transparent 29%),
    radial-gradient(circle at 91% 71%, rgba(75, 180, 230, 0.13), transparent 25%),
    linear-gradient(135deg, #061926 0%, var(--midnight) 52%, #0c4350 100%);
  color: var(--white);
  box-shadow: var(--shadow);
}
.hero::before { content: ""; position: absolute; inset: 0; background-image: url('/assets/hero-network-dark.svg'); background-size: cover; background-position: center; opacity: 0.18; pointer-events: none; }
.hero-copy { position: relative; z-index: 2; padding: 82px 30px 82px 72px; }
.eyebrow { margin: 0 0 14px; color: var(--teal); text-transform: uppercase; letter-spacing: 0.15em; font-size: 0.73rem; font-weight: 900; }
.hero .eyebrow { color: var(--aqua); }
h1, h2, h3, p { text-wrap: pretty; }
h1 { max-width: 760px; margin: 0; font-size: clamp(3.4rem, 6.3vw, 6.1rem); line-height: 0.96; letter-spacing: -0.065em; font-weight: 870; }
.hero-lede { max-width: 675px; margin: 30px 0 0; color: rgba(255,255,255,0.78); font-size: clamp(1.05rem, 1.5vw, 1.22rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 7px; min-height: 48px; padding: 0 20px; border-radius: 999px; text-decoration: none; font-weight: 850; font-size: 0.92rem; transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #04151e; background: linear-gradient(135deg, var(--sky), var(--aqua) 55%, var(--green)); box-shadow: 0 12px 35px rgba(45,185,176,0.22); }
.button-secondary { color: var(--white); border: 1px solid rgba(255,255,255,0.24); background: rgba(255,255,255,0.07); }
.button-light { color: var(--ink); background: var(--white); }
.hero-proof { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 34px; color: rgba(255,255,255,0.56); font-size: 0.78rem; font-weight: 750; }
.hero-proof span::before { content: "•"; margin-right: 8px; color: var(--aqua); }

.hero-visual { position: relative; min-height: 590px; align-self: stretch; }
.lens { position: absolute; border-radius: 50%; border: 1px solid rgba(104,215,207,0.34); background: radial-gradient(circle at 28% 24%, rgba(255,255,255,0.19), rgba(45,185,176,0.03) 58%, transparent 67%); box-shadow: inset 0 0 40px rgba(104,215,207,0.05); }
.lens-one { width: 390px; height: 390px; right: 28px; top: 92px; }
.lens-two { width: 210px; height: 210px; right: 250px; top: 44px; opacity: 0.65; }
.lens-three { width: 126px; height: 126px; right: 25px; bottom: 70px; opacity: 0.5; }
.signal-card { position: absolute; width: 190px; padding: 16px 18px; border: 1px solid rgba(255,255,255,0.12); border-radius: 18px; background: rgba(4,22,33,0.72); backdrop-filter: blur(18px); box-shadow: 0 20px 50px rgba(0,0,0,0.18); }
.signal-card strong { display: block; margin-bottom: 5px; color: var(--aqua); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.11em; }
.signal-card span { display: block; color: rgba(255,255,255,0.82); font-size: 0.92rem; }
.signal-one { right: 240px; top: 180px; }
.signal-two { right: 42px; top: 302px; }
.signal-three { right: 215px; bottom: 112px; }

.section { width: var(--page); margin: 0 auto; padding: 116px 0; }
.section-heading { max-width: 780px; margin-bottom: 52px; }
.section-heading h2, .ecosystem-panel h2, .closing-card h2 { margin: 0; font-size: clamp(2.35rem, 4.1vw, 4.2rem); line-height: 1.02; letter-spacing: -0.052em; }
.split-heading { max-width: none; display: grid; grid-template-columns: 1.15fr 0.65fr; gap: 64px; align-items: end; }
.split-heading > p { margin: 0 0 7px; color: var(--slate); }
.about { padding-bottom: 100px; }
.about-grid { display: grid; grid-template-columns: 0.72fr 1.28fr; gap: 72px; }
.about-lede { margin: 0; font-size: clamp(1.25rem, 2vw, 1.65rem); line-height: 1.48; color: #234658; }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.principles article { min-height: 270px; padding: 25px; border: 1px solid var(--border); border-radius: var(--radius-md); background: rgba(255,255,255,0.68); }
.principle-number { display: inline-block; margin-bottom: 52px; color: var(--teal); font-size: 0.76rem; font-weight: 900; letter-spacing: 0.12em; }
.principles h3 { margin: 0 0 8px; font-size: 1.35rem; letter-spacing: -0.025em; }
.principles p { margin: 0; color: var(--slate); font-size: 0.92rem; }

.tools-section { padding-top: 84px; }
.tool-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.tool-card { position: relative; min-height: 355px; padding: 30px; border: 1px solid var(--border); border-radius: 30px; background: rgba(255,255,255,0.78); overflow: hidden; transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease; }
.tool-card:hover { transform: translateY(-4px); border-color: rgba(45,185,176,0.3); box-shadow: 0 18px 48px rgba(7,28,44,0.09); }
.tool-card.featured { grid-column: span 2; min-height: 420px; color: var(--white); border-color: rgba(255,255,255,0.08); background: linear-gradient(135deg, var(--ink), #0b3342 62%, var(--deep-teal)); }
.tool-card.featured::after { content: ""; position: absolute; width: 370px; height: 370px; right: -70px; bottom: -130px; border-radius: 50%; border: 1px solid rgba(104,215,207,0.25); box-shadow: 0 0 0 55px rgba(104,215,207,0.035), 0 0 0 110px rgba(75,180,230,0.025); }
.tool-topline { position: relative; z-index: 2; display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.tool-category { color: var(--deep-teal); text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.69rem; font-weight: 900; }
.featured .tool-category { color: var(--aqua); }
.live-badge { display: inline-flex; align-items: center; gap: 6px; color: #236149; background: #e7f7ef; border-radius: 999px; padding: 6px 10px; font-size: 0.69rem; font-weight: 850; text-transform: uppercase; letter-spacing: 0.06em; }
.featured .live-badge { color: #d9fff4; background: rgba(119,208,90,0.12); border: 1px solid rgba(119,208,90,0.18); }
.live-badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--green); }
.tool-card h3 { position: relative; z-index: 2; margin: 66px 0 14px; font-size: clamp(1.8rem, 2.5vw, 2.7rem); letter-spacing: -0.04em; }
.tool-card.featured h3 { max-width: 620px; margin-top: 88px; font-size: clamp(2.7rem, 4.8vw, 4.8rem); }
.tool-card .summary { position: relative; z-index: 2; max-width: 650px; margin: 0; color: var(--slate); font-size: 0.98rem; }
.tool-card.featured .summary { color: rgba(255,255,255,0.72); font-size: 1.08rem; }
.tool-link { position: relative; z-index: 2; display: inline-flex; gap: 7px; margin-top: 28px; color: var(--deep-teal); font-weight: 850; text-decoration: none; }
.tool-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.featured .tool-link { color: var(--aqua); }
.catalog-status { min-height: 22px; margin: 18px 3px 0; color: var(--slate); font-size: 0.78rem; }

.ecosystem { padding-top: 64px; }
.ecosystem-panel { min-height: 550px; padding: 64px; display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 40px; align-items: center; border-radius: var(--radius-lg); background: var(--white) url('/assets/bubble-field-light.svg') center/cover; border: 1px solid rgba(7,28,44,0.08); box-shadow: 0 20px 55px rgba(7,28,44,0.07); }
.ecosystem-panel > div:first-child { max-width: 560px; }
.ecosystem-panel p:not(.eyebrow) { color: var(--slate); font-size: 1.02rem; }
.ecosystem-map { position: relative; min-height: 400px; }
.ecosystem-map::before, .ecosystem-map::after { content: ""; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); border-radius: 50%; border: 1px solid rgba(45,185,176,0.25); }
.ecosystem-map::before { width: 320px; height: 320px; }
.ecosystem-map::after { width: 220px; height: 220px; }
.node { position: absolute; z-index: 2; display: grid; place-items: center; min-width: 106px; min-height: 106px; padding: 14px; text-align: center; border-radius: 50%; background: rgba(255,255,255,0.88); border: 1px solid rgba(15,82,96,0.15); box-shadow: 0 14px 35px rgba(7,28,44,0.08); color: var(--deep-teal); font-size: 0.82rem; font-weight: 850; }
.node-core { left: 50%; top: 50%; transform: translate(-50%,-50%); min-width: 150px; min-height: 150px; color: var(--white); background: linear-gradient(135deg, var(--ink), var(--deep-teal)); }
.node-a { left: 10%; top: 8%; }
.node-b { right: 7%; top: 12%; }
.node-c { left: 8%; bottom: 5%; }
.node-d { right: 8%; bottom: 3%; }

.platform-section { padding-top: 80px; }
.platform-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.platform-card { min-height: 180px; padding: 22px; border-radius: 20px; color: rgba(255,255,255,0.82); background: var(--midnight); border: 1px solid rgba(255,255,255,0.06); }
.platform-card .tool-category { color: var(--aqua); }
.platform-card h3 { margin: 38px 0 6px; color: var(--white); font-size: 1.08rem; }
.platform-card p { margin: 0; color: rgba(255,255,255,0.56); font-size: 0.82rem; }
.platform-card a { display: inline-block; margin-top: 16px; color: var(--aqua); font-size: 0.8rem; font-weight: 800; text-decoration: none; }
.platform-card a:hover { text-decoration: underline; }

.closing { padding-top: 68px; }
.closing-card { min-height: 460px; padding: 68px; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; border-radius: var(--radius-lg); color: var(--white); background: linear-gradient(135deg, #0a3040, var(--deep-teal) 62%, #1a6867); position: relative; overflow: hidden; }
.closing-card::after { content: ""; position: absolute; width: 430px; height: 430px; right: -90px; top: -90px; border: 1px solid rgba(255,255,255,0.14); border-radius: 50%; box-shadow: 0 0 0 70px rgba(255,255,255,0.025), 0 0 0 140px rgba(255,255,255,0.018); }
.closing-card h2 { position: relative; z-index: 2; max-width: 760px; }
.closing-card > p:not(.eyebrow) { position: relative; z-index: 2; margin: 20px 0 28px; color: rgba(255,255,255,0.7); }
.closing-card .button { position: relative; z-index: 2; }

.site-footer { width: var(--page); margin: 0 auto; padding: 42px 0 70px; display: grid; grid-template-columns: 1fr auto; gap: 22px 60px; align-items: center; border-top: 1px solid var(--border); }
.brand-footer { margin-bottom: 8px; }
.site-footer p { margin: 0; color: var(--slate); font-size: 0.82rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 22px; }
.footer-links a { color: #31576a; font-size: 0.82rem; font-weight: 750; text-decoration: none; }
.footer-links a:hover { color: var(--deep-teal); }
.footer-note { grid-column: 1 / -1; }

@media (max-width: 980px) {
  :root { --page: min(100% - 30px, 900px); }
  .site-header nav > a:not(.nav-cta) { display: none; }
  .hero { grid-template-columns: 1fr; min-height: 760px; }
  .hero-copy { padding: 72px 48px 36px; }
  .hero-visual { min-height: 310px; }
  .lens-one { width: 290px; height: 290px; right: 8%; top: -10px; }
  .lens-two { width: 150px; height: 150px; right: 46%; top: 20px; }
  .lens-three { display: none; }
  .signal-one { left: 10%; top: 42px; right: auto; }
  .signal-two { right: 8%; top: 116px; }
  .signal-three { left: 28%; bottom: 26px; right: auto; }
  .section { padding: 90px 0; }
  .split-heading, .about-grid, .ecosystem-panel { grid-template-columns: 1fr; gap: 36px; }
  .principles { grid-template-columns: repeat(3, 1fr); }
  .ecosystem-panel { padding: 48px; }
  .platform-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
  :root { --page: calc(100% - 22px); }
  .site-header { min-height: 72px; }
  .brand { font-size: 0.98rem; }
  .brand img { width: 40px; height: 40px; }
  .site-header .nav-cta { padding: 9px 12px; font-size: 0.76rem; }
  .hero { margin-top: 6px; border-radius: 25px; min-height: 750px; }
  .hero-copy { padding: 58px 24px 24px; }
  h1 { font-size: clamp(3.15rem, 16vw, 4.8rem); }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .hero-proof { display: grid; gap: 5px; }
  .hero-visual { min-height: 280px; overflow: hidden; }
  .lens-one { width: 260px; height: 260px; right: -35px; top: 0; }
  .lens-two { width: 130px; height: 130px; left: 8px; right: auto; }
  .signal-card { width: 155px; padding: 12px; }
  .signal-one { left: 16px; top: 78px; }
  .signal-two { right: 15px; top: 142px; }
  .signal-three { display: none; }
  .section { padding: 72px 0; }
  .section-heading { margin-bottom: 34px; }
  .section-heading h2, .ecosystem-panel h2, .closing-card h2 { font-size: clamp(2.25rem, 12vw, 3.6rem); }
  .principles, .tool-grid, .platform-grid { grid-template-columns: 1fr; }
  .principles article { min-height: 220px; }
  .principle-number { margin-bottom: 34px; }
  .tool-card, .tool-card.featured { grid-column: auto; min-height: 330px; padding: 24px; border-radius: 24px; }
  .tool-card.featured h3 { margin-top: 62px; }
  .ecosystem-panel { min-height: 650px; padding: 34px 24px; border-radius: 26px; }
  .ecosystem-map { min-height: 340px; }
  .ecosystem-map::before { width: 260px; height: 260px; }
  .ecosystem-map::after { width: 180px; height: 180px; }
  .node { min-width: 82px; min-height: 82px; font-size: 0.7rem; }
  .node-core { min-width: 118px; min-height: 118px; }
  .closing-card { min-height: 430px; padding: 42px 24px; border-radius: 26px; }
  .site-footer { grid-template-columns: 1fr; }
  .footer-note { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button, .tool-card { transition: none; }
  .button:hover, .tool-card:hover { transform: none; }
}