:root {
  --bg: #f2f6f4;
  --bg-deep: #e4ece8;
  --ink: #102a26;
  --ink-soft: #3d524c;
  --muted: #6b7f78;
  --brand: #0b3d3a;
  --accent: #1faa7a;
  --accent-bright: #3ddc97;
  --line: rgba(11, 61, 58, 0.12);
  --surface: rgba(255, 255, 255, 0.55);
  --shadow: 0 24px 60px rgba(16, 42, 38, 0.08);
  --radius: 18px;
  --font-display: "Syne", "Noto Sans SC", sans-serif;
  --font-body: "Noto Sans SC", sans-serif;
  --header-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(61, 220, 151, 0.18), transparent 55%),
    radial-gradient(900px 500px at 90% 5%, rgba(11, 61, 58, 0.1), transparent 50%),
    linear-gradient(180deg, #eef5f1 0%, var(--bg) 35%, #f7faf8 100%);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

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

img {
  max-width: 100%;
  display: block;
}

button,
input,
textarea {
  font: inherit;
}

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.container {
  width: min(1120px, calc(100% - 2.5rem));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header-h);
  backdrop-filter: blur(16px);
  background: rgba(242, 246, 244, 0.78);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(242, 246, 244, 0.92);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.02em;
}

.logo-mark {
  width: 1.15rem;
  height: 1.15rem;
  border-radius: 4px;
  background:
    linear-gradient(135deg, var(--accent-bright), var(--accent) 55%, var(--brand));
  box-shadow: 0 0 0 4px rgba(61, 220, 151, 0.18);
  flex-shrink: 0;
}

.logo-text {
  font-size: 1.15rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav a {
  font-size: 0.95rem;
  color: var(--ink-soft);
  transition: color 0.2s ease;
}

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

.nav-cta {
  padding: 0.55rem 1rem;
  border-radius: 999px;
  background: var(--brand);
  color: #f4fff9 !important;
}

.nav-cta:hover {
  background: #0f524d;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  place-items: center;
  gap: 5px;
  flex-direction: column;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--brand);
  transition: transform 0.25s var(--ease), opacity 0.2s ease;
}

.menu-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  min-height: calc(100svh - var(--header-h));
  display: grid;
  align-content: end;
  padding: 3rem 0 2.5rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  animation: float 10s ease-in-out infinite;
}

.hero-orb-a {
  width: 42vw;
  height: 42vw;
  max-width: 520px;
  max-height: 520px;
  top: -8%;
  right: -6%;
  background: rgba(61, 220, 151, 0.35);
}

.hero-orb-b {
  width: 34vw;
  height: 34vw;
  max-width: 420px;
  max-height: 420px;
  bottom: 10%;
  left: -8%;
  background: rgba(11, 61, 58, 0.18);
  animation-delay: -3s;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(11, 61, 58, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 61, 58, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 70% 30%, black 20%, transparent 70%);
}

.hero-scan {
  position: absolute;
  left: 0;
  right: 0;
  height: 120px;
  top: 20%;
  background: linear-gradient(180deg, transparent, rgba(61, 220, 151, 0.08), transparent);
  animation: scan 7s linear infinite;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-bottom: 1.5rem;
}

.hero-domain {
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.85rem;
}

.hero-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.4rem, 11vw, 7.5rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--brand);
  margin-bottom: 1.1rem;
}

.hero-lead {
  max-width: 28rem;
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  color: var(--ink-soft);
  margin-bottom: 1.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.75rem 1.35rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s var(--ease), background 0.2s ease, border-color 0.2s ease;
}

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

.btn-primary {
  background: var(--brand);
  color: #f4fff9;
}

.btn-primary:hover {
  background: #0f524d;
}

.btn-ghost {
  background: transparent;
  border-color: rgba(11, 61, 58, 0.25);
  color: var(--brand);
}

.btn-ghost:hover {
  border-color: var(--brand);
  background: rgba(255, 255, 255, 0.45);
}

.hero-visual {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100% - 2.5rem));
  margin: 2.5rem auto 0;
}

.signal-panel {
  border-top: 1px solid var(--line);
  padding-top: 1.25rem;
}

.signal-row {
  display: flex;
  gap: 0.45rem;
  margin-bottom: 1rem;
}

.signal-row span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(11, 61, 58, 0.2);
}

.signal-row span:nth-child(2) {
  background: var(--accent);
}

.signal-wave {
  height: 110px;
  margin-bottom: 1.25rem;
}

.signal-wave svg {
  width: 100%;
  height: 100%;
}

.wave-path {
  fill: none;
  stroke: var(--brand);
  stroke-width: 2.5;
  stroke-linecap: round;
  opacity: 0.85;
  stroke-dasharray: 1200;
  stroke-dashoffset: 1200;
  animation: draw-wave 2.8s var(--ease) forwards, pulse-wave 4s ease-in-out 2.8s infinite;
}

.wave-path-2 {
  stroke: var(--accent);
  opacity: 0.55;
  animation-delay: 0.25s, 3.05s;
}

.signal-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  border-top: 1px solid var(--line);
  padding-top: 1.1rem;
}

.signal-metrics em {
  display: block;
  font-style: normal;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.2rem;
}

.signal-metrics strong {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  font-weight: 700;
  color: var(--brand);
}

/* Sections */
.section {
  padding: 5.5rem 0;
}

.section-head {
  max-width: 38rem;
  margin-bottom: 2.75rem;
}

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.7rem;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--brand);
  margin-bottom: 0.85rem;
}

.section-desc {
  color: var(--ink-soft);
  font-size: 1.05rem;
}

/* Solutions */
.solution-list {
  display: grid;
  gap: 0;
}

.solution-item {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1rem 1.5rem;
  padding: 1.75rem 0;
  border-top: 1px solid var(--line);
  transition: background 0.25s ease, padding-left 0.25s var(--ease);
}

.solution-item:last-child {
  border-bottom: 1px solid var(--line);
}

.solution-item:hover {
  padding-left: 0.6rem;
  background: linear-gradient(90deg, rgba(61, 220, 151, 0.08), transparent 55%);
}

.solution-index {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--accent);
  font-size: 1.1rem;
  padding-top: 0.2rem;
}

.solution-item h3 {
  grid-column: 2;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--brand);
  margin-bottom: 0.35rem;
}

.solution-item p {
  grid-column: 2;
  color: var(--ink-soft);
  max-width: 42rem;
}

/* News */
.news {
  background:
    linear-gradient(180deg, transparent, rgba(228, 236, 232, 0.65) 20%, rgba(228, 236, 232, 0.65) 80%, transparent);
}

.news-featured {
  margin-bottom: 2rem;
}

.news-hero-item {
  padding: 2rem 0 2.25rem;
  border-top: 1px solid var(--line);
}

.news-hero-item time,
.news-item time {
  display: block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.news-hero-item h3 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.35rem);
  line-height: 1.25;
  color: var(--brand);
  max-width: 18ch;
  margin-bottom: 0.9rem;
}

.news-hero-item p {
  max-width: 40rem;
  color: var(--ink-soft);
  margin-bottom: 1.1rem;
}

.text-link {
  color: var(--accent);
  font-weight: 600;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  transition: color 0.2s ease;
}

.text-link:hover {
  color: var(--brand);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.news-item {
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.news-item h3 {
  font-size: 1.1rem;
  line-height: 1.45;
  color: var(--brand);
  margin-bottom: 0.65rem;
}

.news-item p {
  color: var(--ink-soft);
  font-size: 0.98rem;
}

/* Services */
.capability-rail {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  overflow: hidden;
}

.capability-rail li {
  background: rgba(255, 255, 255, 0.55);
  padding: 1.75rem 1.35rem;
  min-height: 160px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.5rem;
  transition: background 0.25s ease, transform 0.25s var(--ease);
}

.capability-rail li:hover {
  background: rgba(61, 220, 151, 0.12);
  transform: translateY(-3px);
}

.capability-rail strong {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--brand);
}

.capability-rail span {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: end;
}

.about .section-head {
  margin-bottom: 0;
}

.about-stats {
  display: grid;
  gap: 1.25rem;
  padding-bottom: 0.4rem;
}

.about-stats > div {
  display: grid;
  gap: 0.2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--muted);
}

.stat-value {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--brand);
}

/* Contact */
.contact {
  padding-bottom: 6rem;
}

.contact-panel {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2.5rem;
  align-items: start;
  padding: 2.5rem 0 0;
  border-top: 1px solid var(--line);
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 1.1rem;
}

.contact-form label {
  display: grid;
  gap: 0.45rem;
}

.contact-form label.full,
.contact-form .btn,
.contact-form .form-note {
  grid-column: 1 / -1;
}

.contact-form span {
  font-size: 0.9rem;
  color: var(--muted);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(11, 61, 58, 0.18);
  background: rgba(255, 255, 255, 0.7);
  border-radius: 14px;
  padding: 0.85rem 1rem;
  color: var(--ink);
  outline: none;
  resize: vertical;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(61, 220, 151, 0.15);
}

.form-note {
  min-height: 1.4em;
  font-size: 0.95rem;
  color: var(--accent);
}

.form-note.error {
  color: #b42318;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.25rem 0 2.5rem;
  background: rgba(228, 236, 232, 0.45);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
}

.footer-brand strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--brand);
}

.footer-brand p,
.footer-meta p {
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-meta {
  text-align: right;
}

.footer-meta a:hover {
  color: var(--brand);
}

.copyright {
  margin-top: 0.35rem;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(24px); }
}

@keyframes scan {
  0% { transform: translateY(-40vh); opacity: 0; }
  15% { opacity: 1; }
  85% { opacity: 1; }
  100% { transform: translateY(70vh); opacity: 0; }
}

@keyframes draw-wave {
  to { stroke-dashoffset: 0; }
}

@keyframes pulse-wave {
  0%, 100% { opacity: 0.85; }
  50% { opacity: 0.45; }
}

/* Responsive */
@media (max-width: 900px) {
  .news-grid,
  .capability-rail,
  .about-grid,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .capability-rail {
    gap: 0;
    border: none;
    background: transparent;
  }

  .capability-rail li {
    border-top: 1px solid var(--line);
    min-height: auto;
    padding: 1.35rem 0;
    background: transparent;
  }

  .capability-rail li:last-child {
    border-bottom: 1px solid var(--line);
  }

  .capability-rail li:hover {
    transform: none;
    background: transparent;
  }

  .footer-meta {
    text-align: left;
  }

  .signal-metrics {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .menu-toggle {
    display: grid;
  }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem 1.25rem 1.25rem;
    background: rgba(242, 246, 244, 0.97);
    border-bottom: 1px solid var(--line);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s var(--ease), opacity 0.3s ease;
  }

  .nav.is-open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }

  .nav a {
    padding: 0.9rem 0.2rem;
    border-bottom: 1px solid var(--line);
  }

  .nav-cta {
    margin-top: 0.75rem;
    text-align: center;
    border-bottom: none !important;
  }

  .hero {
    align-content: center;
    padding-top: 2rem;
  }

  .hero-brand {
    font-size: clamp(3rem, 16vw, 4.5rem);
  }

  .solution-item {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .solution-item h3,
  .solution-item p {
    grid-column: 1;
  }

  .contact-form {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 4rem 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal,
  .hero-orb,
  .hero-scan,
  .wave-path,
  .btn,
  .capability-rail li,
  .solution-item {
    animation: none !important;
    transition: none !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}