:root {
  --ink: #0c1f24;
  --ink-soft: #243a40;
  --mist: #e8f1f2;
  --paper: #f4f8f8;
  --teal: #0d7377;
  --teal-bright: #14919b;
  --teal-deep: #085558;
  --line: rgba(12, 31, 36, 0.12);
  --font-display: "Syne", sans-serif;
  --font-body: "Source Serif 4", Georgia, serif;
  --space: clamp(1.25rem, 3vw, 2.5rem);
  --max: 1120px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink-soft);
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(20, 145, 155, 0.12), transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 20%, rgba(13, 115, 119, 0.08), transparent 50%),
    linear-gradient(180deg, #eef5f5 0%, var(--paper) 35%, #e6efef 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--teal-deep);
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem clamp(1.25rem, 4vw, 3rem);
  transition: background 0.35s var(--ease), backdrop-filter 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.site-header.is-scrolled {
  background: rgba(244, 248, 248, 0.88);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--line);
}

.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: var(--ink);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav a {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--ink-soft);
  position: relative;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.25rem;
  width: 100%;
  height: 1px;
  background: var(--teal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}

.nav a:hover::after,
.nav a:focus-visible::after {
  transform: scaleX(1);
}

.nav-cta {
  padding: 0.55rem 1rem;
  border: 1px solid var(--ink);
  color: var(--ink) !important;
}

.nav-cta::after {
  display: none;
}

.nav-cta:hover {
  background: var(--ink);
  color: var(--paper) !important;
}

.menu-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: 0;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 0.4rem;
}

.menu-toggle span {
  display: block;
  height: 2px;
  width: 1.4rem;
  background: var(--ink);
  transition: transform 0.3s var(--ease);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  align-items: end;
  padding: clamp(6rem, 14vh, 9rem) clamp(1.25rem, 4vw, 3rem) clamp(3rem, 8vh, 5rem);
  overflow: hidden;
}

.hero-visual {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(13, 115, 119, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(13, 115, 119, 0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 70% 40%, black 20%, transparent 75%);
  animation: gridDrift 28s linear infinite;
}

@keyframes gridDrift {
  from { background-position: 0 0; }
  to { background-position: 64px 64px; }
}

.hero-network {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.85;
}

.network-lines path {
  stroke-dasharray: 12 10;
  animation: dashMove 18s linear infinite;
}

.network-lines path:nth-child(2) { animation-duration: 22s; animation-direction: reverse; }
.network-lines path:nth-child(3) { animation-duration: 26s; }
.network-lines path:nth-child(4) { animation-duration: 20s; animation-direction: reverse; }

@keyframes dashMove {
  to { stroke-dashoffset: -400; }
}

.network-nodes circle {
  opacity: 0.55;
  animation: nodePulse 3.5s ease-in-out infinite;
}

.network-nodes circle:nth-child(odd) { animation-delay: 0.6s; }
.network-nodes circle:nth-child(3n) { animation-delay: 1.2s; }

@keyframes nodePulse {
  0%, 100% { opacity: 0.35; transform: scale(1); }
  50% { opacity: 0.9; transform: scale(1.35); }
}

.hero-wash {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(244, 248, 248, 0.97) 0%, rgba(244, 248, 248, 0.82) 38%, rgba(244, 248, 248, 0.25) 68%, transparent 100%),
    linear-gradient(0deg, rgba(244, 248, 248, 0.9) 0%, transparent 35%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 38rem;
}

.brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.65rem, 4.2vw, 2.75rem);
  line-height: 1.05;
  letter-spacing: 0.02em;
  color: var(--ink);
  margin-bottom: 1.35rem;
  animation: riseIn 0.9s var(--ease) both;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.55rem, 3.2vw, 2.35rem);
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: 1rem;
  animation: riseIn 0.9s var(--ease) 0.12s both;
}

.hero-lead {
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  max-width: 32rem;
  margin-bottom: 2rem;
  color: var(--ink-soft);
  animation: riseIn 0.9s var(--ease) 0.22s both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  animation: riseIn 0.9s var(--ease) 0.32s both;
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(1.25rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  padding: 0.9rem 1.4rem;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

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

.btn-primary:hover {
  background: var(--teal-deep);
  border-color: var(--teal-deep);
  color: #fff;
  transform: translateY(-1px);
}

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

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

/* Sections */
.section {
  padding: clamp(4.5rem, 10vh, 7rem) clamp(1.25rem, 4vw, 3rem);
}

.section-intro {
  max-width: 40rem;
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.85rem;
}

.section h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: 1rem;
}

.section-lead {
  font-size: 1.1rem;
  max-width: 36rem;
}

/* Services */
.services {
  max-width: calc(var(--max) + 6rem);
  margin: 0 auto;
}

.service-list {
  list-style: none;
  border-top: 1px solid var(--line);
}

.service-list li {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1.25rem;
  padding: 1.65rem 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}

.service-index {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--teal-bright);
  padding-top: 0.3rem;
}

.service-list h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--ink);
  margin-bottom: 0.4rem;
}

.service-list p {
  max-width: 42rem;
}

/* Approach */
.approach {
  padding-top: 0;
}

.approach-panel {
  max-width: calc(var(--max) + 6rem);
  margin: 0 auto;
  padding: clamp(2.5rem, 5vw, 4rem);
  background:
    linear-gradient(145deg, rgba(13, 115, 119, 0.08), transparent 45%),
    linear-gradient(180deg, #dceaea, #e8f0f0);
  border: 1px solid rgba(13, 115, 119, 0.15);
}

.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  counter-reset: step;
}

.steps li {
  counter-increment: step;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding-top: 1.25rem;
  border-top: 2px solid var(--teal);
}

.steps li::before {
  content: "0" counter(step);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--teal);
}

.steps strong {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
}

.steps span {
  font-size: 0.98rem;
}

/* About */
.about {
  max-width: calc(var(--max) + 6rem);
  margin: 0 auto;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.about-copy p + p {
  margin-top: 1rem;
}

.about-facts {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 1.75rem 0 0;
  border-top: 2px solid var(--ink);
}

.about-facts p {
  display: grid;
  gap: 0.25rem;
  font-size: 1.05rem;
  color: var(--ink);
}

.about-facts span {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
}

.about-facts a {
  color: var(--ink);
  text-decoration: none;
}

.about-facts a:hover {
  color: var(--teal-deep);
  text-decoration: underline;
}

/* Products */
.products {
  max-width: calc(var(--max) + 6rem);
  margin: 0 auto;
  padding-top: 0;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  border-top: 1px solid var(--line);
  padding-top: 2rem;
}

.product-item h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
  margin-bottom: 0.65rem;
}

.product-item p {
  font-size: 1rem;
  max-width: 22rem;
}

/* Contact */
.contact {
  max-width: calc(var(--max) + 6rem);
  margin: 0 auto;
  padding-bottom: clamp(5rem, 12vh, 8rem);
}

.contact-block {
  max-width: 40rem;
}

.contact-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.35rem 1.75rem;
  margin: 2rem 0 2.5rem;
  padding: 1.75rem 0;
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--line);
}

.contact-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.35rem;
}

.contact-details p {
  font-size: 1.05rem;
  color: var(--ink);
}

.contact-details a {
  color: var(--ink);
  text-decoration: none;
}

.contact-details a:hover {
  color: var(--teal-deep);
  text-decoration: underline;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  margin: 0 0 1.25rem;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
}

input,
textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  letter-spacing: normal;
  text-transform: none;
  font-weight: 400;
  padding: 0.85rem 0.95rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

input:focus,
textarea:focus {
  border-color: var(--teal);
  background: #fff;
}

textarea {
  resize: vertical;
  min-height: 8rem;
}

.contact-form .btn {
  align-self: flex-start;
  border: 0;
}

.contact-alt {
  font-size: 0.98rem;
}

.contact-alt a {
  color: var(--teal-deep);
  font-weight: 500;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.25rem clamp(1.25rem, 4vw, 3rem);
  background: rgba(12, 31, 36, 0.03);
}

.footer-inner {
  max-width: calc(var(--max) + 6rem);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem 2rem;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  color: var(--ink);
}

.footer-meta {
  color: var(--teal);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.35rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
}

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

.footer-links a:hover {
  color: var(--teal-deep);
}

.footer-copy {
  margin-left: auto;
  font-size: 0.88rem;
  color: var(--ink-soft);
  width: 100%;
}

/* Legal / privacy */
.legal-page {
  max-width: 42rem;
  margin: 0 auto;
  padding-top: clamp(7rem, 14vh, 9rem);
}

.legal-page h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.85rem, 3.5vw, 2.6rem);
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: 1rem;
}

.legal-updated {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--teal);
  margin: 1.25rem 0 2.5rem;
}

.legal-page h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--ink);
  margin: 2rem 0 0.75rem;
}

.legal-page p {
  margin-bottom: 0.85rem;
}

.legal-list {
  margin: 0.5rem 0 1rem 1.25rem;
}

.legal-list li {
  margin-bottom: 0.4rem;
}

.legal-page a {
  color: var(--teal-deep);
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 900px) {
  .steps {
    grid-template-columns: 1fr 1fr;
  }

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

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

@media (max-width: 720px) {
  .menu-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    inset: 0 0 auto auto;
    top: 0;
    right: 0;
    width: min(18rem, 86vw);
    height: 100vh;
    height: 100dvh;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 5rem 2rem 2rem;
    background: var(--paper);
    border-left: 1px solid var(--line);
    transform: translateX(100%);
    transition: transform 0.4s var(--ease);
  }

  .nav.is-open {
    transform: translateX(0);
  }

  .nav-cta {
    margin-top: 0.5rem;
  }

  .menu-toggle.is-open span:first-child {
    transform: translateY(3px) rotate(45deg);
  }

  .menu-toggle.is-open span:last-child {
    transform: translateY(-3px) rotate(-45deg);
  }

  .hero-content {
    max-width: 100%;
  }

  .service-list li {
    grid-template-columns: 3rem 1fr;
    gap: 0.85rem;
  }

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

  .field-row {
    grid-template-columns: 1fr;
  }

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

  .footer-copy {
    margin-left: 0;
    width: 100%;
  }

  .hero-wash {
    background:
      linear-gradient(180deg, rgba(244, 248, 248, 0.55) 0%, rgba(244, 248, 248, 0.92) 55%, rgba(244, 248, 248, 0.98) 100%);
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-grid,
  .network-lines path,
  .network-nodes circle,
  .brand,
  .hero h1,
  .hero-lead,
  .hero-actions,
  .reveal {
    animation: none !important;
    transition: none !important;
    opacity: 1;
    transform: none;
  }
}