:root {
  --color-primary: #0c7d8a;
  --color-primary-foreground: #ffffff;
  --color-secondary: #16c2ce;
  --color-accent: #1ccdd8;
  --color-accent-foreground: #053d44;
  --color-background: #f4fbfc;
  --color-foreground: #0c2b30;
  --color-surface: #ffffff;
  --color-surface-foreground: #0c2b30;
  --color-muted: #e0f2f4;
  --color-muted-foreground: #4a6a6f;
  --color-border: #cfe8ea;
  --font-heading: 'Roboto', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  --font-size-base: 1.05rem;
  --radius: 18px;
  --border-width: 1px;
  --shadow: 0 20px 45px -25px rgba(12, 125, 138, 0.45);
  --space: 1rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: 1.65;
  color: var(--color-foreground);
  background: var(--color-background);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.12;
  margin: 0 0 0.6em;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; }

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

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

.container {
  width: min(1140px, 100% - 2.5rem);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: 0 0 var(--radius) 0;
  z-index: 100;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(244, 251, 252, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: var(--border-width) solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.85rem 0;
}
.brand { display: inline-flex; align-items: center; gap: 0.6rem; }
.brand:hover { text-decoration: none; }
.brand-mark { display: inline-flex; filter: drop-shadow(0 6px 12px rgba(12,125,138,0.3)); }
.brand-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--color-primary);
  letter-spacing: -0.03em;
}
.main-nav {
  margin-left: auto;
  display: flex;
  gap: 1.6rem;
}
.main-nav a {
  color: var(--color-foreground);
  font-weight: 500;
  position: relative;
  padding: 0.2rem 0;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--color-secondary);
  transition: width 0.25s ease;
}
.main-nav a:hover { text-decoration: none; }
.main-nav a:hover::after,
.main-nav a[aria-current="page"]::after { width: 100%; }
.main-nav a[aria-current="page"] { color: var(--color-primary); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  padding: 0.8rem 1.5rem;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
  color: var(--color-primary-foreground);
  box-shadow: var(--shadow);
}
.btn-primary:hover { box-shadow: 0 24px 50px -22px rgba(12,125,138,0.6); }
.btn-ghost {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-ghost:hover { background: var(--color-primary); color: #fff; }
.btn-nav {
  background: var(--color-primary);
  color: #fff;
  padding: 0.6rem 1.2rem;
  font-size: 0.9rem;
}
.btn-nav:hover { background: var(--color-secondary); }

/* Hero */
.hero {
  padding: clamp(3rem, 8vw, 6rem) 0;
  background:
    radial-gradient(circle at 80% 10%, rgba(28,205,216,0.18), transparent 45%),
    radial-gradient(circle at 10% 90%, rgba(12,125,138,0.12), transparent 40%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.8rem;
}
.lead { color: var(--color-muted-foreground); font-size: 1.12rem; }
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin: 1.6rem 0 2.2rem;
}
.hero-stats {
  display: flex;
  gap: 2rem;
  list-style: none;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
}
.hero-stats strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.7rem;
  color: var(--color-primary);
}
.hero-stats span { color: var(--color-muted-foreground); font-size: 0.9rem; }
.hero-art { display: flex; justify-content: center; }
.orb {
  width: min(420px, 100%);
  aspect-ratio: 1;
  filter: drop-shadow(0 30px 60px rgba(12,125,138,0.35));
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

/* Sections */
.section { padding: clamp(3rem, 7vw, 5.5rem) 0; }
.section-head { max-width: 640px; margin-bottom: 2.5rem; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.card {
  background: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem 1.8rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--color-secondary);
}
.card:hover::before { transform: scaleX(1); }
.card-num {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-secondary);
  display: inline-block;
  margin-bottom: 0.6rem;
}
.card-num.big { font-size: 2.6rem; opacity: 0.5; }
.card-link { font-weight: 600; }

/* Process */
.process { background: var(--color-muted); border-radius: var(--radius); }
.process-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.2rem; }
.steps li {
  display: flex;
  gap: 1.1rem;
  align-items: flex-start;
  background: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.2rem 1.4rem;
  transition: transform 0.2s ease;
}
.steps li:hover { transform: translateX(6px); }
.steps li span {
  flex-shrink: 0;
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 700;
}
.steps li h3 { margin-bottom: 0.2rem; }
.steps li p { margin: 0; color: var(--color-muted-foreground); }

/* CTA */
.cta-inner {
  text-align: center;
  background: linear-gradient(135deg, var(--color-primary), #0a5c66);
  color: #fff;
  padding: clamp(2.5rem, 6vw, 4rem);
  border-radius: calc(var(--radius) * 1.4);
  box-shadow: var(--shadow);
}
.cta-inner h2 { color: #fff; }
.cta-inner p { color: rgba(255,255,255,0.85); max-width: 500px; margin-inline: auto; }
.cta-inner .btn-primary {
  background: #fff;
  color: var(--color-primary);
  margin-top: 0.5rem;
}
.cta-inner .btn-primary:hover { background: var(--color-accent); color: var(--color-accent-foreground); }

/* Page hero */
.page-hero {
  padding: clamp(2.8rem, 7vw, 4.5rem) 0 clamp(1.5rem, 3vw, 2.5rem);
  background:
    radial-gradient(circle at 90% 0%, rgba(28,205,216,0.16), transparent 40%);
}
.page-hero .lead { max-width: 640px; }

/* Service blocks */
.service-block.alt { background: var(--color-muted); }
.service-row {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: clamp(1.8rem, 4vw, 3.5rem);
  align-items: center;
}
.service-row.reverse .service-text { order: 2; }
.feature-list {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}
.feature-list li {
  position: relative;
  padding-left: 1.8rem;
  color: var(--color-muted-foreground);
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.55em;
  width: 0.7rem; height: 0.7rem;
  border-radius: 3px;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
}
.aside-card {
  background: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.8rem;
  box-shadow: var(--shadow);
}
.aside-card h3 { color: var(--color-primary); }
.aside-card p { margin: 0; color: var(--color-muted-foreground); }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.contact-list { list-style: none; margin: 0 0 2rem; padding: 0; display: grid; gap: 1.2rem; }
.contact-list li { display: grid; gap: 0.15rem; }
.contact-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-muted-foreground);
  font-weight: 600;
}
.info-card {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
  color: #fff;
  border-radius: var(--radius);
  padding: 1.6rem;
}
.info-card h3 { color: #fff; }
.info-card p { margin: 0; color: rgba(255,255,255,0.9); }

.contact-form {
  background: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: calc(var(--radius) * 1.2);
  padding: clamp(1.6rem, 4vw, 2.6rem);
  box-shadow: var(--shadow);
}
.field { margin-bottom: 1.1rem; display: grid; gap: 0.4rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field label { font-weight: 600; font-size: 0.92rem; }
.field input,
.field select,
.field textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.7rem 0.9rem;
  border: var(--border-width) solid var(--color-border);
  border-radius: 12px;
  background: var(--color-background);
  color: var(--color-foreground);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(28,205,216,0.25);
}
.field.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}
.field.checkbox input { width: auto; margin-top: 0.25rem; }
.field.checkbox label { font-weight: 400; font-size: 0.9rem; color: var(--color-muted-foreground); }
.contact-form .btn { width: 100%; margin-top: 0.4rem; }

/* Footer */
.site-footer {
  background: #082e33;
  color: #cfe8ea;
  margin-top: 2rem;
  padding-top: 3rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
}
.footer-brand { color: #fff; }
.site-footer p { color: #a7cdd1; }
.site-footer h4 { color: #fff; margin-bottom: 0.8rem; font-size: 1rem; }
.site-footer nav { display: grid; gap: 0.4rem; }
.site-footer a { color: #cfe8ea; }
.site-footer a:hover { color: var(--color-accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 1.2rem 0;
}
.footer-bottom p { margin: 0; font-size: 0.85rem; color: #8fb8bd; }

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  animation: reveal-in 0.7s ease forwards;
}
.reveal:nth-child(2) { animation-delay: 0.1s; }
.reveal:nth-child(3) { animation-delay: 0.2s; }
.reveal:nth-child(4) { animation-delay: 0.3s; }
@keyframes reveal-in {
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 860px) {
  .hero-grid,
  .process-grid,
  .service-row,
  .contact-grid { grid-template-columns: 1fr; }
  .service-row.reverse .service-text { order: 0; }
  .hero-art { order: -1; }
  .orb { width: min(320px, 70%); }
  .btn-nav { display: none; }
  .main-nav { margin-left: auto; gap: 1rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .header-inner { flex-wrap: wrap; }
  .main-nav { width: 100%; justify-content: space-between; }
  .field-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 1.3rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}