:root {
  --bg: #070a12;
  --bg-alt: #0b0f1a;
  --surface: #101627;
  --surface-2: #141c31;
  --border: #1e2740;
  --text: #e8ecf7;
  --muted: #96a0bd;
  --accent: #5b8cff;
  --accent-2: #7cf5d5;
  --danger: #ff7a7a;
  --radius: 16px;
  --radius-sm: 10px;
  --maxw: 1140px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.3rem, 5.2vw, 3.6rem); font-weight: 700; }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.5rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 650; }
p { margin: 0 0 1rem; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); }
ul, ol { margin: 0; padding: 0; list-style: none; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 820px; }

.grad {
  background: linear-gradient(100deg, var(--accent) 10%, var(--accent-2) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--accent); color: #05070d; padding: 12px 18px; border-radius: 0 0 8px 0; font-weight: 600;
}
.skip-link:focus { left: 0; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(7, 10, 18, .72);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, background .25s ease;
}
.site-header.scrolled { border-bottom-color: var(--border); background: rgba(7, 10, 18, .92); }

.header-inner { display: flex; align-items: center; gap: 20px; height: 72px; }

.logo { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-size: 1.12rem; }
.logo:hover { color: var(--text); }
.logo-mark { display: inline-flex; }
.logo-text { letter-spacing: -0.02em; font-weight: 500; }
.logo-text strong { font-weight: 750; }

.nav { display: flex; gap: 28px; margin-left: auto; }
.nav a { color: var(--muted); font-size: .96rem; font-weight: 500; position: relative; }
.nav a:hover { color: var(--text); }
.nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -6px; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: right .25s ease;
}
.nav a:hover::after { right: 0; }

.header-cta { margin-left: 8px; }

.nav-toggle {
  display: none; margin-left: auto; width: 42px; height: 42px; border: 1px solid var(--border);
  background: var(--surface); border-radius: 10px; cursor: pointer; padding: 11px 10px;
  flex-direction: column; justify-content: space-between;
}
.nav-toggle span { display: block; height: 2px; background: var(--text); border-radius: 2px; transition: transform .25s ease, opacity .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); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 26px; border-radius: 12px; font-weight: 600; font-size: 1rem;
  border: 1px solid transparent; cursor: pointer; transition: transform .18s ease, box-shadow .25s ease, background .2s ease, border-color .2s ease;
  font-family: inherit; text-align: center;
}
.btn-sm { padding: 10px 18px; font-size: .93rem; }
.btn-primary {
  background: linear-gradient(100deg, var(--accent), #6ad8e8 85%);
  color: #05070d;
  box-shadow: 0 8px 30px -12px rgba(91, 140, 255, .9);
}
.btn-primary:hover { transform: translateY(-2px); color: #05070d; box-shadow: 0 14px 38px -14px rgba(124, 245, 213, .85); }
.btn-ghost { background: rgba(255,255,255,.03); border-color: var(--border); color: var(--text); }
.btn-ghost:hover { background: rgba(255,255,255,.07); border-color: #2c3a5e; color: var(--text); transform: translateY(-2px); }
.btn-block { width: 100%; }
.btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }

/* ---------- hero ---------- */
.hero { position: relative; padding: clamp(56px, 8vw, 96px) 0 40px; overflow: hidden; }
.hero-glow {
  position: absolute; inset: -30% -10% auto -10%; height: 620px; pointer-events: none;
  background:
    radial-gradient(46% 55% at 22% 42%, rgba(91,140,255,.28), transparent 70%),
    radial-gradient(40% 48% at 78% 30%, rgba(124,245,213,.17), transparent 70%);
  filter: blur(12px);
}
.hero-inner {
  position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center;
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 9px; margin: 0 0 22px;
  padding: 7px 15px; border: 1px solid var(--border); border-radius: 999px;
  background: rgba(255,255,255,.03); color: var(--muted); font-size: .85rem; font-weight: 500;
}
.eyebrow .dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent-2);
  box-shadow: 0 0 0 0 rgba(124,245,213,.6); animation: pulse 2.4s infinite;
}
@keyframes pulse {
  70% { box-shadow: 0 0 0 9px rgba(124,245,213,0); }
  100% { box-shadow: 0 0 0 0 rgba(124,245,213,0); }
}

.lead { font-size: 1.12rem; color: var(--muted); max-width: 56ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 30px 0 26px; }

.hero-trust { display: flex; flex-wrap: wrap; gap: 20px; color: var(--muted); font-size: .92rem; }
.hero-trust li { display: inline-flex; align-items: center; gap: 8px; }
.hero-trust svg { color: var(--accent-2); flex-shrink: 0; }

.hero-card {
  background: linear-gradient(160deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border); border-radius: 22px; padding: 26px;
  box-shadow: 0 40px 80px -50px rgba(0,0,0,.95);
}
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.card-title { font-weight: 600; font-size: .98rem; }
.pill {
  font-size: .74rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 600;
  padding: 5px 11px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted);
}
.pill-live { color: var(--accent-2); border-color: rgba(124,245,213,.3); background: rgba(124,245,213,.07); }

.metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 14px; }
.metric-value {
  display: block; font-size: 1.85rem; font-weight: 700; letter-spacing: -.03em;
  background: linear-gradient(100deg, #fff, #b9cbff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.metric-label { display: block; color: var(--muted); font-size: .85rem; }

.spark { margin: 22px 0 10px; height: 90px; }
.spark svg { width: 100%; height: 100%; display: block; }
.card-foot { margin: 0; color: var(--muted); font-size: .8rem; }

.platforms {
  position: relative; margin-top: clamp(48px, 7vw, 80px);
  display: flex; align-items: center; gap: 28px; flex-wrap: wrap;
  padding-top: 28px; border-top: 1px solid var(--border);
}
.platforms-label { color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .1em; }
.platforms ul { display: flex; flex-wrap: wrap; gap: 12px 26px; }
.platforms li { color: #c3cdea; font-weight: 600; font-size: 1rem; opacity: .78; }

/* ---------- sections ---------- */
.section { padding: clamp(64px, 9vw, 110px) 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { max-width: 720px; margin-bottom: 52px; }
.kicker {
  display: inline-block; margin-bottom: 14px; color: var(--accent-2);
  font-size: .82rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
}
.section-sub { color: var(--muted); font-size: 1.06rem; margin: 0; }

.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px 26px; transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.card:hover { transform: translateY(-4px); border-color: #2a3760; box-shadow: 0 30px 60px -40px rgba(91,140,255,.7); }
.card p { color: var(--muted); font-size: .97rem; }

.icon-badge {
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; border-radius: 13px; margin-bottom: 18px;
  font-weight: 700; font-size: 1.15rem; border: 1px solid var(--border); background: var(--surface-2);
}
.icon-google { color: #6ba0ff; }
.icon-ms { color: #7cf5d5; }
.icon-meta { color: #8ab4ff; }
.icon-track, .icon-audit, .icon-cro { color: #c3cdea; }

.tick { margin-top: 16px; display: grid; gap: 9px; }
.tick li { position: relative; padding-left: 26px; color: #c3cdea; font-size: .93rem; }
.tick li::before {
  content: ""; position: absolute; left: 4px; top: .55em; width: 7px; height: 7px; border-radius: 50%;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
}

/* ---------- cases ---------- */
.case {
  background: linear-gradient(165deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 26px;
  transition: transform .25s ease, border-color .25s ease;
}
.case:hover { transform: translateY(-4px); border-color: #2a3760; }
.case-tag { display: block; color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 14px; }
.case-metric { font-size: 1.55rem; font-weight: 700; letter-spacing: -.02em; margin-bottom: 12px; }
.case p { color: var(--muted); font-size: .95rem; }
.case-stats { display: flex; gap: 28px; margin: 18px 0 0; padding-top: 16px; border-top: 1px solid var(--border); }
.case-stats dt { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; }
.case-stats dd { margin: 2px 0 0; font-weight: 650; font-size: 1.05rem; }

.quote {
  margin: 44px 0 0; padding: 34px; text-align: center;
  border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface);
}
.quote blockquote { margin: 0 auto 14px; max-width: 62ch; font-size: 1.18rem; line-height: 1.6; }
.quote figcaption { color: var(--muted); font-size: .9rem; }

/* ---------- steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: step; }
.step {
  position: relative; padding: 28px 24px; border-radius: var(--radius);
  border: 1px solid var(--border); background: var(--surface);
}
.step-num {
  display: block; font-size: .85rem; font-weight: 700; letter-spacing: .1em; margin-bottom: 14px;
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.step p { color: var(--muted); font-size: .95rem; margin: 0; }

/* ---------- pricing ---------- */
.pricing .plan { display: flex; flex-direction: column; position: relative; }
.plan-featured { border-color: rgba(91,140,255,.55); box-shadow: 0 30px 70px -45px rgba(91,140,255,.9); }
.plan-badge {
  position: absolute; top: -13px; left: 26px; padding: 5px 13px; border-radius: 999px;
  background: linear-gradient(100deg, var(--accent), var(--accent-2)); color: #05070d;
  font-size: .74rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase;
}
.price { font-size: 2.4rem; font-weight: 700; letter-spacing: -.03em; margin: 6px 0 4px; }
.price span { font-size: 1.3rem; vertical-align: super; margin-right: 2px; color: var(--muted); }
.price small { font-size: .92rem; font-weight: 500; color: var(--muted); margin-left: 6px; letter-spacing: 0; }
.plan-sub { min-height: 48px; }
.plan .tick { flex: 1; margin-bottom: 22px; }

/* ---------- faq ---------- */
.faq { display: grid; gap: 12px; }
.faq details {
  border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface);
  padding: 4px 22px; transition: border-color .2s ease;
}
.faq details[open] { border-color: #2a3760; }
.faq summary {
  cursor: pointer; list-style: none; padding: 18px 34px 18px 0; font-weight: 600; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  font-size: 1.5rem; font-weight: 400; color: var(--accent-2); transition: transform .25s ease;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { color: var(--muted); font-size: .97rem; padding-bottom: 8px; margin: 0; }

/* ---------- contact ---------- */
.section-contact { background: var(--bg-alt); border-top: 1px solid var(--border); }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: start; }
.contact-copy p { color: var(--muted); }
.contact-points { display: grid; gap: 10px; margin: 24px 0; }
.contact-points li { padding-left: 26px; position: relative; color: var(--muted); }
.contact-points li::before {
  content: ""; position: absolute; left: 2px; top: .6em; width: 9px; height: 9px; border-radius: 3px;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
}
.contact-points strong { color: var(--text); }
.contact-direct { font-size: .95rem; }

.lead-form {
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 30px;
  box-shadow: 0 40px 90px -60px rgba(0,0,0,.9);
}
.field { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.field-full, .lead-form > .btn, .form-note, .form-status, .hp { grid-column: 1 / -1; }
.field label, .field legend { font-size: .9rem; font-weight: 600; color: #cfd8ef; padding: 0; }
.field label span { color: var(--accent-2); }

input, select, textarea {
  width: 100%; padding: 13px 15px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: #0c1120; color: var(--text);
  font-family: inherit; font-size: .97rem; transition: border-color .2s ease, box-shadow .2s ease;
}
input::placeholder, textarea::placeholder { color: #5d6685; }
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(91,140,255,.18);
}
textarea { resize: vertical; min-height: 108px; }
select { appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2396a0bd' stroke-width='1.8' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 15px center;
}

fieldset.field { border: 0; margin: 0; padding: 0; }
.checks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.check {
  display: flex; align-items: center; gap: 9px; padding: 11px 13px; cursor: pointer;
  border: 1px solid var(--border); border-radius: var(--radius-sm); background: #0c1120;
  font-size: .89rem; font-weight: 500; color: #c3cdea; transition: border-color .2s ease, background .2s ease;
}
.check:hover { border-color: #2a3760; }
.check input { width: auto; padding: 0; accent-color: var(--accent); flex-shrink: 0; }
.check:has(input:checked) { border-color: var(--accent); background: rgba(91,140,255,.09); color: var(--text); }

.error { color: var(--danger); font-size: .83rem; min-height: 1em; }
.field.invalid input, .field.invalid textarea { border-color: var(--danger); }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.btn-submit { position: relative; margin-top: 4px; }
.spinner {
  display: none; width: 17px; height: 17px; border-radius: 50%;
  border: 2px solid rgba(5,7,13,.35); border-top-color: #05070d; animation: spin .7s linear infinite;
}
.btn-submit.loading .spinner { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }

.form-note { color: var(--muted); font-size: .84rem; text-align: center; margin: 0; }
.form-status { margin: 0; font-size: .95rem; text-align: center; }
.form-status.ok { color: var(--accent-2); }
.form-status.err { color: var(--danger); }

.form-success {
  grid-column: 1 / -1; text-align: center; padding: 26px 10px;
}
.form-success h3 { margin-bottom: 8px; }
.form-success p { color: var(--muted); margin: 0; }
.success-mark {
  width: 56px; height: 56px; margin: 0 auto 18px; border-radius: 50%;
  display: grid; place-items: center; font-size: 1.6rem; color: #05070d;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
}

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 48px 0 28px; background: var(--bg); }
.footer-inner { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.footer-note { color: var(--muted); font-size: .92rem; margin: 12px 0 0; max-width: 42ch; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 22px; align-items: flex-start; }
.footer-nav a { color: var(--muted); font-size: .93rem; }
.footer-nav a:hover { color: var(--text); }
.footer-bottom {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--border);
  color: #6d7794; font-size: .84rem;
}

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 760px) {
  body { font-size: 16px; }
  .nav {
    position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: var(--bg-alt); border-bottom: 1px solid var(--border);
    padding: 8px 24px 18px; display: none;
  }
  .nav.open { display: flex; }
  .nav a { padding: 13px 0; border-bottom: 1px solid var(--border); }
  .nav a::after { display: none; }
  .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .grid-3, .steps { grid-template-columns: 1fr; }
  .lead-form { grid-template-columns: 1fr; padding: 24px 20px; }
  .checks { grid-template-columns: 1fr 1fr; }
  .metrics { gap: 16px 10px; }
  .quote { padding: 26px 20px; }
  .platforms { gap: 16px; }
}

@media (max-width: 420px) {
  .checks { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
}