:root {
  --bg: #f4efe6;
  --surface: #fffaf2;
  --ink: #191614;
  --ink-soft: #5d534d;
  --line: #d9cec2;
  --accent: #ef6c2f;
  --accent-deep: #c24c12;
  --accent-cool: #1c7f8a;
  --radius-lg: 20px;
  --radius-md: 14px;
  --max: 1120px;
  --shadow: 0 10px 40px rgba(27, 20, 14, 0.1);
  --section-gap: clamp(3.8rem, 7vw, 6.5rem);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Manrope", sans-serif;
  background: radial-gradient(circle at 20% 0%, #fff8ec 0%, transparent 35%),
    radial-gradient(circle at 100% 10%, #d2efe7 0%, transparent 30%),
    var(--bg);
  color: var(--ink);
  scroll-behavior: smooth;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.04;
  background-image: repeating-radial-gradient(circle at 0 0, #000 0.6px, transparent 1px);
  background-size: 5px 5px;
  z-index: 0;
}

.site-header,
main,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-header {
  position: sticky;
  top: 0;
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 1rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  backdrop-filter: blur(8px);
  background: rgba(244, 239, 230, 0.88);
  border-bottom: 1px solid rgba(217, 206, 194, 0.7);
  z-index: 40;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--ink);
}

.brand-logo {
  width: 38px;
  height: 38px;
  object-fit: contain;
}

.brand-text {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.site-nav {
  display: flex;
  gap: 1rem;
}

.site-nav a {
  text-decoration: none;
  color: var(--ink-soft);
  font-weight: 600;
}

.site-nav .cta-link {
  color: var(--accent-deep);
}

.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  width: 42px;
  height: 42px;
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
}

.menu-toggle span {
  width: 18px;
  height: 2px;
  background: var(--ink);
}

main {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 0 1rem 3.2rem;
}

.hero {
  padding: clamp(3.6rem, 7vw, 5.3rem) 0 2.2rem;
  position: relative;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  color: var(--accent-cool);
  font-weight: 700;
}

h1,
h2,
h3 {
  font-family: "Space Grotesk", sans-serif;
  line-height: 1.05;
  margin: 0;
}

h1 {
  max-width: 14ch;
  font-size: clamp(2.2rem, 7vw, 4.8rem);
  margin-top: 0.6rem;
}

.lede {
  max-width: 63ch;
  color: var(--ink-soft);
  font-size: 1.05rem;
  margin-top: 1.15rem;
  line-height: 1.65;
}

.site-note {
  max-width: 70ch;
  margin-top: 0.9rem;
  padding: 0.75rem 0.9rem;
  border-left: 3px solid var(--accent-cool);
  background: rgba(255, 255, 255, 0.55);
  color: #3d3733;
  line-height: 1.55;
}

.system-visual {
  margin-top: 1.2rem;
  width: min(100%, 760px);
  min-height: 280px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(150deg, #fffdf9, #f8f3eb);
  position: relative;
  overflow: hidden;
}

.system-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(28, 127, 138, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(28, 127, 138, 0.07) 1px, transparent 1px);
  background-size: 26px 26px;
  z-index: 1;
}

.system-node {
  position: absolute;
  border: 1px solid #d6cbc0;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.94);
  padding: 0.45rem 0.6rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: #4f463f;
  animation: nodeLift 2200ms ease-in-out infinite;
  z-index: 3;
}

.node-a { top: 34px; left: 28px; }
.node-b { top: 34px; left: 176px; }
.node-c { top: 104px; left: 38px; }
.node-d { top: 176px; left: 170px; }
.node-core {
  top: 106px;
  left: 320px;
  font-size: 0.92rem;
  color: #0f585f;
  border-color: #86c3be;
  box-shadow: 0 0 0 4px rgba(134, 195, 190, 0.18);
  animation-delay: 180ms;
}
.node-e { top: 106px; left: 520px; animation-delay: 320ms; }

.node-b { animation-delay: 120ms; }
.node-c { animation-delay: 220ms; }
.node-d { animation-delay: 280ms; }

.system-link {
  position: absolute;
  height: 2px;
  background: linear-gradient(90deg, rgba(28, 127, 138, 0.1), rgba(28, 127, 138, 0.42));
  transform-origin: left center;
  z-index: 2;
}

.link-a { width: 128px; top: 52px; left: 94px; transform: rotate(18deg); }
.link-b { width: 154px; top: 69px; left: 240px; transform: rotate(27deg); }
.link-c { width: 232px; top: 124px; left: 109px; transform: rotate(0deg); }
.link-d { width: 176px; top: 192px; left: 253px; transform: rotate(-19deg); }
.link-e { width: 160px; top: 122px; left: 414px; transform: rotate(0deg); }

.system-status {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 18px;
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
  z-index: 4;
}

.system-status span {
  display: inline-block;
  padding: 0.32rem 0.56rem;
  border-radius: 999px;
  border: 1px solid #cbe2df;
  background: #f5fffd;
  color: #25656c;
  font-size: 0.74rem;
  font-weight: 700;
  animation: statusPulse 3000ms ease-in-out infinite;
}

.system-status span:nth-child(2) {
  animation-delay: 340ms;
}

.system-status span:nth-child(3) {
  animation-delay: 700ms;
}

.hero-actions {
  margin-top: 1.9rem;
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.btn {
  text-decoration: none;
  border-radius: 999px;
  padding: 0.75rem 1.15rem;
  font-weight: 700;
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #f09444);
  color: #23180d;
  box-shadow: 0 10px 25px rgba(239, 108, 47, 0.35);
}

.btn-ghost {
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.6);
}

.section {
  padding: var(--section-gap) 0 0.5rem;
  scroll-margin-top: 96px;
}

.section-number {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: #2c6369;
}

.section-number::after {
  content: "";
  width: 26px;
  height: 1px;
  background: #8dbbb6;
}

.section-heading h2 {
  margin-top: 0.5rem;
  font-size: clamp(1.65rem, 4.8vw, 2.8rem);
}

.cards {
  margin-top: 1.4rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.card p {
  color: var(--ink-soft);
  line-height: 1.55;
  margin: 0.55rem 0 0;
}

.product-cards {
  align-items: stretch;
}

.product-card {
  background: linear-gradient(160deg, #fff9f1, #fff3e4);
}

.product-pill {
  display: inline-block;
  margin: 0;
  padding: 0.26rem 0.52rem;
  border-radius: 999px;
  font-size: 0.7rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  font-weight: 700;
  color: #19565d;
  background: #d8f0ec;
}

.product {
  margin-top: 1.4rem;
  border: 1px solid #dbcfbf;
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, #fff8ef, #faf1e7);
  padding: 1.4rem;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 1rem;
  box-shadow: var(--shadow);
}

.product-label {
  margin: 0;
  color: var(--accent-cool);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
  font-weight: 700;
}

.product h3 {
  margin-top: 0.45rem;
  font-size: 2rem;
}

.product p {
  color: var(--ink-soft);
  line-height: 1.6;
}

.product-list {
  margin: 0.6rem 0 0;
  padding-left: 1.1rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

.product-ui {
  background: linear-gradient(150deg, #f1fbfb, #e8f6f4);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.7rem;
  box-shadow: inset 0 0 0 1px rgba(23, 97, 106, 0.14);
}

.ui-main,
.ui-mini {
  border: 1px solid #b7dcda;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.88);
  padding: 0.72rem;
}

.ui-main p,
.ui-mini p,
.ui-main span,
.ui-mini span {
  margin: 0;
  color: #2a666d;
}

.ui-main p,
.ui-mini p {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.ui-main strong {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  font-size: 2rem;
  margin: 0.2rem 0 0.1rem;
  color: #0f585f;
}

.ui-mini span,
.ui-main span {
  font-size: 0.84rem;
}

.about-copy {
  margin-top: 1rem;
  max-width: 75ch;
  color: var(--ink-soft);
  line-height: 1.75;
  font-size: 1.05rem;
}

.contact {
  margin-top: 1.45rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(140deg, #f0f8f8, #ffefe1);
  padding: 1.6rem;
}

.metrics {
  margin-top: 0.8rem;
}

.metric-grid {
  margin-top: 1.3rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.metric {
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: #fffdf9;
}

.metric strong {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.3rem;
}

.metric p {
  margin: 0.4rem 0 0;
  color: var(--ink-soft);
  line-height: 1.5;
}

.status-line {
  margin-top: 1rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #2b656c;
  border: 1px solid #c7e0dd;
  border-radius: 999px;
  padding: 0.5rem 0.8rem;
  display: inline-block;
  background: #f6fffd;
}

.contact p {
  color: var(--ink-soft);
  max-width: 58ch;
}

.site-footer {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 2.2rem 1rem 2.8rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.2rem;
  margin-bottom: 0.7rem;
}

.footer-links a {
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 600;
}

.footer-links a:hover {
  color: var(--ink);
  text-decoration: underline;
}

.legal-main {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 2.5rem 1rem 3rem;
}

.legal-main h1 {
  font-size: clamp(2rem, 6vw, 3.4rem);
}

.legal-main h2 {
  font-size: clamp(1.25rem, 3.4vw, 1.85rem);
  margin-top: 1.35rem;
}

.legal-main p,
.legal-main li {
  color: var(--ink-soft);
  line-height: 1.7;
}

.legal-card {
  margin-top: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.66);
  padding: 1rem 1.1rem;
}

.legal-card ul {
  margin: 0.55rem 0 0;
  padding-left: 1.1rem;
}

.section-reveal {
  opacity: 1;
  transform: none;
}

.has-js .section-reveal {
  opacity: 0;
  transform: translateY(24px);
}

.has-js .hero.section-reveal {
  opacity: 1;
  transform: none;
}

.has-js .section-reveal.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 650ms ease, transform 650ms ease;
}

@keyframes nodeLift {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-3px);
  }
}

@keyframes statusPulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(37, 101, 108, 0);
  }
  50% {
    box-shadow: 0 0 0 3px rgba(37, 101, 108, 0.16);
  }
}

@media (max-width: 900px) {
  .cards {
    grid-template-columns: 1fr;
  }

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

  .system-visual {
    min-height: 340px;
  }

  .node-a { top: 24px; left: 14px; }
  .node-b { top: 24px; left: 132px; }
  .node-c { top: 84px; left: 22px; }
  .node-core { top: 124px; left: 118px; }
  .node-d { top: 210px; left: 22px; }
  .node-e { top: 210px; left: 198px; }

  .link-a { width: 98px; top: 42px; left: 78px; transform: rotate(24deg); }
  .link-b { width: 86px; top: 48px; left: 188px; transform: rotate(47deg); }
  .link-c { width: 104px; top: 102px; left: 92px; transform: rotate(19deg); }
  .link-d { width: 90px; top: 182px; left: 146px; transform: rotate(-18deg); }
  .link-e { width: 76px; top: 210px; left: 147px; transform: rotate(0deg); }

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

  .site-header {
    position: sticky;
    top: 0;
    align-items: flex-start;
    background: rgba(244, 239, 230, 0.96);
    border-bottom: 1px solid rgba(217, 206, 194, 0.9);
  }

  .section-number {
    font-size: 0.68rem;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    left: 0;
    right: 0;
    top: 74px;
    bottom: 0;
    display: none;
    flex-direction: column;
    width: 100%;
    border: 1px solid var(--line);
    border-left: 0;
    border-right: 0;
    border-radius: 0;
    background: var(--surface);
    padding: 0.55rem 1rem 0.9rem;
    box-shadow: var(--shadow);
    z-index: 50;
    overflow-y: auto;
  }

  .site-nav a {
    display: block;
    padding: 0.7rem 0;
    border-bottom: 1px solid rgba(217, 206, 194, 0.65);
  }

  .site-nav a:last-child {
    border-bottom: 0;
  }

  .site-nav.open {
    display: flex;
  }

  body.menu-open {
    overflow: hidden;
  }
}