/* =========================================================
   ReachMetriks — Global Stylesheet
   Ad-tech / programmatic monetization aesthetic:
   deep navy base, mint/violet gradient accents.
   ========================================================= */

:root {
  --bg: #05070d;
  --bg-alt: #0b0f1a;
  --surface: #10152300;
  --surface-solid: #10152a;
  --surface-2: #151b2e;
  --border: #232a40;
  --text: #eef1f8;
  --text-dim: #a7b0c6;
  --text-faint: #6b7590;
  --mint: #5EE7C8;
  --violet: #7C8CFF;
  --amber: #FFC168;
  --gradient: linear-gradient(120deg, var(--mint) 0%, var(--violet) 100%);
  --gradient-soft: linear-gradient(160deg, rgba(94,231,200,0.14) 0%, rgba(124,140,255,0.10) 100%);
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 20px 60px -20px rgba(0,0,0,0.6);
  --container: 1180px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--mint);
  color: #05070d;
  padding: 10px 16px;
  border-radius: 0 0 8px 0;
  z-index: 999;
  font-weight: 600;
}
.skip-link:focus { left: 0; }

h1, h2, h3, h4 {
  line-height: 1.2;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.35rem); }
h3 { font-size: 1.25rem; }

p { color: var(--text-dim); margin: 0 0 16px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mint);
  background: rgba(94,231,200,0.08);
  border: 1px solid rgba(94,231,200,0.25);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.section {
  padding: 88px 0;
  position: relative;
}
.section-tight { padding: 56px 0; }
.section-header {
  max-width: 680px;
  margin: 0 0 48px;
}
.section-header.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.text-gradient {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient);
  color: #05070d;
  box-shadow: 0 12px 30px -10px rgba(94,231,200,0.45);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -10px rgba(94,231,200,0.55); }
.btn-outline {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--mint); color: var(--mint); }
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5,7,13,0.78);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
  font-weight: 600;
  flex-shrink: 0;
}
.brand-word { text-transform: lowercase; color: var(--text-dim); }
.brand-word strong { font-weight: 800; color: var(--text); }
.brand-mark { display: inline-flex; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  justify-content: center;
}
.main-nav a {
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.92rem;
  color: var(--text-dim);
  font-weight: 500;
  transition: background 0.15s ease, color 0.15s ease;
}
.main-nav a:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.main-nav a.active { color: var(--bg); background: var(--gradient); font-weight: 600; }

.header-actions { display: flex; align-items: center; gap: 14px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 18px;
  margin: 0 auto;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  padding: 100px 0 70px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 600px;
  background: radial-gradient(60% 60% at 30% 20%, rgba(94,231,200,0.16), transparent 70%),
              radial-gradient(50% 50% at 80% 10%, rgba(124,140,255,0.18), transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.hero-inner { position: relative; z-index: 1; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.hero h1 { margin-bottom: 20px; }
.hero-lead { font-size: 1.1rem; max-width: 540px; }
.hero-cta { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.hero-stat .num {
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-stat .label { font-size: 0.82rem; color: var(--text-faint); }

/* hero visual panel */
.hero-panel {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
}
.hero-panel-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.hero-panel-row:last-child { border-bottom: none; }
.hero-panel-row .k { color: var(--text-faint); font-size: 0.85rem; }
.hero-panel-row .v { font-weight: 700; }
.pill {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  background: rgba(94,231,200,0.14);
  color: var(--mint);
}
.pill.up::before { content: "▲ "; }

/* ---------- Partner strip ---------- */
.partner-strip {
  padding: 36px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.partner-strip .label {
  text-align: center;
  color: var(--text-faint);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 22px;
}
.partner-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}
.partner-chip {
  padding: 10px 20px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-dim);
}

/* ---------- Cards / grids ---------- */
.grid {
  display: grid;
  gap: 24px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  transition: transform 0.18s ease, border-color 0.18s ease;
}
.card:hover { transform: translateY(-4px); border-color: rgba(94,231,200,0.35); }
.card .icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--gradient-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.3rem;
}
.card h3 { margin-bottom: 10px; }
.card p { margin-bottom: 0; font-size: 0.94rem; }
.card ul { margin: 14px 0 0; padding-left: 18px; color: var(--text-dim); font-size: 0.9rem; }
.card ul li { margin-bottom: 6px; }

/* ---------- Stats bar ---------- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.stat { text-align: center; }
.stat .num { font-size: 2.1rem; font-weight: 800; }
.stat .label { color: var(--text-faint); font-size: 0.85rem; margin-top: 6px; }

/* ---------- Process / steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}
.step {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  position: relative;
}
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--mint);
  display: block;
  margin-bottom: 14px;
}

/* ---------- Two column feature ---------- */
.feature-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.feature-split.reverse .feature-visual { order: 2; }
.feature-split-single { grid-template-columns: 1fr; }
.feature-split-single > div { max-width: 720px; }
.feature-visual {
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px;
}
.feature-list { list-style: none; margin: 20px 0 0; padding: 0; }
.feature-list li {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
}
.feature-list li:last-child { border-bottom: none; }
.feature-list .check {
  flex-shrink: 0;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--gradient-soft);
  color: var(--mint);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
  margin-top: 1px;
}

/* ---------- Tables (specs) ---------- */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.spec-table th, .spec-table td {
  text-align: left;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}
.spec-table th {
  color: var(--text-faint);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.table-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  overflow-x: auto;
}
.table-wrap table { min-width: 560px; }

/* ---------- Tabs (inventory anchors) ---------- */
.tab-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.tab-links a {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text-dim);
}
.tab-links a:hover { color: var(--mint); border-color: var(--mint); }

.inv-block {
  padding: 60px 0;
  border-top: 1px solid var(--border);
}
.inv-block:first-of-type { border-top: none; }
.inv-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 8px;
}
.inv-tag {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--gradient-soft);
  color: var(--mint);
}

/* ---------- CTA banner ---------- */
.cta-banner {
  background: linear-gradient(120deg, #0d3b32 0%, #1a1f3d 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 56px;
  text-align: center;
}
.cta-banner h2 { margin-bottom: 12px; }
.cta-banner p { max-width: 520px; margin: 0 auto 28px; }

/* ---------- Forms ---------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.form-field.full { grid-column: 1 / -1; }
label { font-size: 0.85rem; font-weight: 600; color: var(--text-dim); }
input, select, textarea {
  background: var(--surface-solid);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.15s ease;
}
input:focus, select:focus, textarea:focus { border-color: var(--mint); }
textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: 0.8rem; color: var(--text-faint); margin-top: 4px; }

.alert {
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  font-size: 0.92rem;
  border: 1px solid transparent;
}
.alert-success {
  background: rgba(94,231,200,0.1);
  border-color: rgba(94,231,200,0.35);
  color: var(--mint);
}
.alert-error {
  background: rgba(255,107,107,0.1);
  border-color: rgba(255,107,107,0.35);
  color: #ff9a9a;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 0.75fr;
  gap: 48px;
  align-items: start;
}
.contact-card {
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.contact-line {
  display: flex;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.contact-line:last-child { border-bottom: none; }
.contact-line .k { color: var(--text-faint); font-size: 0.8rem; display: block; margin-bottom: 2px; }
.contact-line .v { font-weight: 600; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 64px 0 28px;
  background: var(--bg-alt);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand-word {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.footer-brand-word svg { flex-shrink: 0; }
.footer-brand-word strong { font-weight: 800; }
.footer-brand p { font-size: 0.9rem; max-width: 320px; }
.footer-partners { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.footer-partners span {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-faint);
  border: 1px solid var(--border);
  padding: 5px 10px;
  border-radius: 6px;
}
.footer-col h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-faint); margin-bottom: 16px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 12px; font-size: 0.92rem; }
.footer-col a { color: var(--text-dim); }
.footer-col a:hover { color: var(--mint); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-faint);
}
.footer-bottom p { margin: 0; color: inherit; }

/* ---------- Page header (inner pages) ---------- */
.page-header {
  padding: 64px 0 40px;
  border-bottom: 1px solid var(--border);
  background: var(--gradient-soft);
}
.page-header .eyebrow { margin-bottom: 16px; }
.page-header p { max-width: 640px; font-size: 1.05rem; }

/* ---------- Utilities ---------- */
.mt-0 { margin-top: 0; }
.text-center { text-align: center; }
.max-w { max-width: 640px; margin-left: auto; margin-right: auto; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .feature-split, .feature-split.reverse { grid-template-columns: 1fr; }
  .feature-split.reverse .feature-visual { order: 0; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .main-nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    gap: 4px;
    display: none;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 16px; }
  .nav-toggle { display: flex; }
  .header-actions .btn-primary.btn-sm { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: 1fr 1fr; padding: 26px; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .cta-banner { padding: 36px 22px; }
  .section { padding: 60px 0; }
}