/* ==========================================================================
   Eladox — design system
   Clean corporate light: white / light gray, deep navy, single blue accent.
   Mono is reserved for measurement output (stats, timestamps, labels).
   ========================================================================== */

:root {
  --navy: #0e1f38;
  --blue: #1f5eff;
  --blue-dark: #1748c4;
  --blue-tint: #eef3ff;
  --verified: #0e8f62;
  --verified-tint: #e7f6ef;
  --flag: #b45309;
  --flag-tint: #fdf3e3;
  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --muted: #5a6a82;
  --border: #e3e8ef;
  --radius: 12px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Consolas, "Liberation Mono", monospace;
  --shadow: 0 1px 2px rgba(14, 31, 56, 0.05), 0 8px 24px rgba(14, 31, 56, 0.07);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--navy);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

h1,
h2,
h3,
h4 {
  line-height: 1.15;
  margin: 0 0 0.6em;
  letter-spacing: -0.015em;
  font-weight: 700;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
}

h2 {
  font-size: clamp(1.6rem, 3.2vw, 2.25rem);
}

h3 {
  font-size: 1.25rem;
}

p {
  margin: 0 0 1em;
}

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover {
  color: var(--blue-dark);
}

:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Header ---------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  min-height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--navy);
}

.logo svg {
  flex: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}

.site-nav a {
  color: var(--navy);
  font-weight: 500;
  font-size: 0.97rem;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--blue);
}

.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
  color: var(--navy);
}

/* --- Buttons ---------------------------------------------------------- */

.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.97rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

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

.btn-primary:hover {
  background: var(--blue-dark);
  color: #fff;
}

.btn-outline {
  border-color: var(--border);
  color: var(--navy);
  background: var(--bg);
}

.btn-outline:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.btn-inverse {
  background: #fff;
  color: var(--navy);
}

.btn-inverse:hover {
  background: var(--blue-tint);
  color: var(--navy);
}

/* --- Sections ---------------------------------------------------------- */

.section {
  padding: 88px 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section-head {
  max-width: 640px;
  margin-bottom: 48px;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 14px;
}

.lead {
  font-size: 1.15rem;
  color: var(--muted);
}

/* --- Grids & cards ----------------------------------------------------- */

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.card:hover {
  box-shadow: var(--shadow);
}

.card .icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--blue-tint);
  color: var(--blue);
  display: grid;
  place-items: center;
  margin-bottom: 18px;
}

.card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5em;
}

.card p {
  color: var(--muted);
  font-size: 0.95rem;
}

.card .more {
  font-weight: 600;
  font-size: 0.92rem;
}

/* --- Hero ---------------------------------------------------------- */

.hero {
  padding: 96px 0 88px;
  background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
}

.hero .grid-2 {
  gap: 64px;
}

.hero .lead {
  font-size: 1.2rem;
  max-width: 480px;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  margin-top: 30px;
  flex-wrap: wrap;
}

/* Annotated waveform panel — the signature element */

.wave-panel {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}

.wave-panel .panel-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 14px;
}

.wave-readouts {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.chip {
  font-family: var(--mono);
  font-size: 0.74rem;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: var(--bg-alt);
}

.chip-verified {
  color: var(--verified);
  background: var(--verified-tint);
  border-color: transparent;
}

.chip-blue {
  color: var(--blue);
  background: var(--blue-tint);
  border-color: transparent;
}

/* --- Stats band ---------------------------------------------------------- */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat b {
  display: block;
  font-family: var(--mono);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--navy);
}

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

/* --- Pipeline ---------------------------------------------------------- */

.pipeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}

.pipeline .step {
  position: relative;
  padding-top: 18px;
}

.pipeline .step::before {
  counter-increment: step;
  content: "0" counter(step);
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--blue);
  display: block;
  margin-bottom: 10px;
}

.pipeline .step::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: 2px;
  background: var(--border);
}

.pipeline .step:first-child::after {
  background: var(--blue);
}

.pipeline .step h3 {
  font-size: 1.05rem;
}

.pipeline .step p {
  color: var(--muted);
  font-size: 0.93rem;
}

/* --- Detail rows (services / technology) ------------------------------- */

.detail {
  scroll-margin-top: 90px;
}

.detail ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.detail li {
  position: relative;
  padding: 8px 0 8px 32px;
  color: var(--navy);
}

.detail li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--verified-tint) url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 18 18"><path d="M4.5 9.5l3 3 6-6.5" fill="none" stroke="%230e8f62" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg>') center/12px no-repeat;
}

.figure {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.section-alt .figure {
  background: var(--bg);
}

/* --- CTA band ---------------------------------------------------------- */

.cta-band {
  background: var(--navy);
  color: #fff;
  padding: 72px 0;
}

.cta-band h2 {
  color: #fff;
  max-width: 560px;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.75);
  max-width: 520px;
}

.cta-band .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

/* --- Forms ---------------------------------------------------------- */

.form-grid {
  display: grid;
  gap: 18px;
}

.form-grid label {
  font-weight: 600;
  font-size: 0.92rem;
  display: block;
  margin-bottom: 6px;
}

.form-grid input,
.form-grid textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font: inherit;
  color: var(--navy);
  background: var(--bg);
}

.form-grid input:focus,
.form-grid textarea:focus {
  outline: 2px solid var(--blue);
  outline-offset: 0;
  border-color: var(--blue);
}

/* --- Footer ---------------------------------------------------------- */

.site-footer {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.72);
  padding: 64px 0 32px;
  font-size: 0.93rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
  margin-bottom: 48px;
}

.site-footer .logo {
  color: #fff;
  margin-bottom: 14px;
}

.site-footer h4 {
  color: #fff;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer li {
  margin-bottom: 10px;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.72);
}

.site-footer a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: 24px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

/* --- Reveal on scroll --------------------------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* --- Responsive ---------------------------------------------------------- */

@media (max-width: 900px) {
  .grid-4 {
    grid-template-columns: 1fr 1fr;
  }

  .pipeline {
    grid-template-columns: 1fr 1fr;
    row-gap: 40px;
  }

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

@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }

  .hero {
    padding: 64px 0;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .grid-2 {
    gap: 40px;
  }

  .stats {
    grid-template-columns: 1fr 1fr;
    row-gap: 32px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 8px 24px 20px;
  }

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

  .site-nav a {
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
  }

  .site-nav .btn {
    margin-top: 16px;
    text-align: center;
    border-bottom: none;
  }
}

@media (max-width: 520px) {
  .grid-4,
  .pipeline,
  .footer-grid {
    grid-template-columns: 1fr;
  }
}