/* ===== Design tokens (Linear-inspired dark system) ===== */
:root {
  --void: #08090a;
  --carbon: #0f1011;
  --obsidian: #161718;
  --graphite: #23252a;
  --paper: #ffffff;
  --mist: #d0d6e0;
  --fog: #8a8f98;
  --acid: #e4f222;
  --acid-dim: #cddb1a;
  --violet: #6366f1;

  --radius-sm: 6px;
  --radius: 12px;
  --radius-pill: 9999px;

  --maxw: 1200px;
  --gap-section: 96px;

  --ff: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--ff);
  background: var(--void);
  color: var(--mist);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "cv01" on, "ss03" on;
}

h1, h2, h3, h4 {
  color: var(--paper);
  font-weight: 510;
  letter-spacing: -0.022em;
  line-height: 1.1;
  margin: 0;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

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

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 510;
  padding: 11px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease, transform .05s ease, opacity .15s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-sm { padding: 8px 14px; font-size: 14px; }
.btn-block { width: 100%; padding: 13px 18px; }

.btn-primary {
  background: var(--acid);
  color: var(--void);
}
.btn-primary:hover { background: var(--acid-dim); }

.btn-ghost {
  background: transparent;
  border-color: var(--graphite);
  color: var(--mist);
}
.btn-ghost:hover { border-color: #3a3d44; background: rgba(255,255,255,0.03); }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(8, 9, 10, 0.72);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--graphite);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 64px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 590; color: var(--paper); }
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 26px; height: 26px;
  background: var(--acid);
  color: var(--void);
  border-radius: 7px;
  font-weight: 700;
  font-size: 16px;
}
.brand-name { font-size: 17px; letter-spacing: -0.02em; }

.nav {
  display: flex;
  gap: 26px;
  margin-left: 12px;
  margin-right: auto;
}
.nav a { color: var(--mist); font-size: 14px; transition: color .15s; }
.nav a:hover { color: var(--paper); }

.header-actions { display: flex; align-items: center; gap: 14px; }
.phone-link { color: var(--mist); font-size: 14px; font-weight: 500; transition: color .15s; }
.phone-link:hover { color: var(--paper); }

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--graphite);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.lang-btn {
  font-family: inherit;
  font-size: 12px;
  font-weight: 590;
  letter-spacing: .02em;
  padding: 6px 9px;
  background: transparent;
  color: var(--fog);
  border: none;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.lang-btn:hover { color: var(--mist); }
.lang-btn.is-active { background: var(--obsidian); color: var(--paper); }

.burger {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.burger span {
  width: 20px; height: 2px;
  background: var(--mist);
  border-radius: 2px;
  transition: transform .2s, opacity .2s;
}

/* ===== Hero ===== */
.hero {
  padding: 96px 0 72px;
  text-align: center;
  background:
    radial-gradient(60% 60% at 50% -10%, rgba(228,242,34,0.07), transparent 70%),
    var(--void);
  border-bottom: 1px solid var(--graphite);
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--fog);
  border: 1px solid var(--graphite);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  margin-bottom: 28px;
}
.hero-badge .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 0 3px rgba(228,242,34,0.15);
}
.hero-title {
  font-size: clamp(38px, 6vw, 72px);
  max-width: 900px;
  margin: 0 auto 20px;
}
.hero-sub {
  font-size: clamp(16px, 2vw, 19px);
  color: var(--mist);
  max-width: 640px;
  margin: 0 auto 32px;
}
.hero-cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--graphite);
  border: 1px solid var(--graphite);
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 920px;
  margin: 0 auto;
}
.stat { background: var(--carbon); padding: 26px 18px; }
.stat-value { font-size: 30px; font-weight: 510; color: var(--paper); letter-spacing: -0.02em; }
.stat-label { font-size: 13px; color: var(--fog); margin-top: 4px; }

/* ===== Logos ===== */
.logos { padding: 44px 0; border-bottom: 1px solid var(--graphite); }
.logos-caption { text-align: center; color: var(--fog); font-size: 13px; margin: 0 0 20px; }
.logos-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px 44px;
  color: var(--fog);
  font-weight: 590;
  letter-spacing: .04em;
  font-size: 15px;
  opacity: .75;
}

/* ===== Sections ===== */
.section { padding: var(--gap-section) 0; }
.section-alt { background: var(--carbon); border-top: 1px solid var(--graphite); border-bottom: 1px solid var(--graphite); }

.section-head { max-width: 680px; margin: 0 auto 48px; text-align: center; }
.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 590;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--acid);
  margin-bottom: 14px;
}
.section-head h2 { font-size: clamp(28px, 4vw, 44px); margin-bottom: 14px; }
.section-lead { color: var(--fog); font-size: 17px; margin: 0; }

/* ===== Cards ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.card {
  background: var(--carbon);
  border: 1px solid var(--graphite);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color .15s, transform .15s, background .15s;
}
.card:hover { border-color: #34373d; transform: translateY(-2px); background: var(--obsidian); }
.card-icon {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 9px;
  background: rgba(228,242,34,0.10);
  color: var(--acid);
  font-size: 20px;
  margin-bottom: 16px;
}
.card h3 { font-size: 18px; margin-bottom: 8px; }
.card p { color: var(--fog); font-size: 15px; margin: 0; }

/* ===== Steps ===== */
.steps {
  list-style: none;
  margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  counter-reset: step;
}
.step {
  background: var(--void);
  border: 1px solid var(--graphite);
  border-radius: var(--radius);
  padding: 24px;
}
.step-num {
  font-size: 13px;
  font-weight: 590;
  color: var(--acid);
  letter-spacing: .05em;
  margin-bottom: 16px;
}
.step h3 { font-size: 17px; margin-bottom: 8px; }
.step p { color: var(--fog); font-size: 14px; margin: 0; }

/* ===== Tags ===== */
.tags { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.tag {
  border: 1px solid var(--graphite);
  background: rgba(255,255,255,0.02);
  color: var(--mist);
  border-radius: var(--radius-pill);
  padding: 8px 16px;
  font-size: 14px;
}

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-info { text-align: left; padding-top: 8px; }
.contact-info .eyebrow { margin-bottom: 14px; }
.contact-info h2 { font-size: clamp(28px, 4vw, 40px); margin-bottom: 16px; }
.contact-info .section-lead { text-align: left; margin-bottom: 32px; }

.contact-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px; }
.contact-list li { display: flex; flex-direction: column; gap: 2px; }
.ci-label { font-size: 12px; color: var(--fog); text-transform: uppercase; letter-spacing: .06em; }
.ci-value { font-size: 18px; color: var(--paper); font-weight: 500; }
a.ci-value:hover { color: var(--acid); }

/* ===== Form ===== */
.form-wrap {
  position: relative;
  background: var(--void);
  border: 1px solid var(--graphite);
  border-radius: var(--radius);
  padding: 28px;
}
.section-alt .form-wrap { background: var(--void); }
.lead-form { display: grid; gap: 16px; }
.field { display: grid; gap: 7px; }
.field label { font-size: 13px; color: var(--mist); font-weight: 500; }
.req { color: var(--acid); }

.field input, .field textarea {
  font-family: inherit;
  font-size: 15px;
  color: var(--paper);
  background: var(--carbon);
  border: 1px solid var(--graphite);
  border-radius: var(--radius-sm);
  padding: 11px 13px;
  transition: border-color .15s, box-shadow .15s;
  resize: vertical;
}
.field input::placeholder, .field textarea::placeholder { color: #5a5e66; }
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--acid);
  box-shadow: 0 0 0 3px rgba(228,242,34,0.12);
}
.field input.invalid, .field textarea.invalid {
  border-color: #eb5757;
  box-shadow: 0 0 0 3px rgba(235,87,87,0.12);
}

.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--fog);
  cursor: pointer;
}
.checkbox input {
  width: 16px; height: 16px;
  margin-top: 1px;
  accent-color: var(--acid);
  flex-shrink: 0;
}
.form-note { font-size: 12px; color: var(--fog); margin: 4px 0 0; text-align: center; }
.form-secure {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--fog);
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid var(--graphite);
}
.form-secure .lock { color: var(--acid); }

.inline-link {
  color: var(--acid);
  text-decoration: none;
  border-bottom: 1px solid rgba(228,242,34,0.35);
  transition: border-color .15s;
}
.inline-link:hover { border-bottom-color: var(--acid); }

/* ===== Form success ===== */
.form-success {
  position: absolute;
  inset: 0;
  background: var(--void);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 32px;
  gap: 8px;
  animation: fade .3s ease;
}
.form-success[hidden] { display: none; }
.success-check {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--acid);
  color: var(--void);
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
}
.form-success h3 { font-size: 22px; }
.form-success p { color: var(--fog); font-size: 15px; max-width: 320px; margin: 0 0 8px; }
@keyframes fade { from { opacity: 0; transform: scale(.98); } to { opacity: 1; transform: none; } }

/* ===== Footer ===== */
.site-footer { border-top: 1px solid var(--graphite); background: var(--void); }
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-top: 56px;
  padding-bottom: 40px;
}
.footer-brand p { color: var(--fog); font-size: 14px; max-width: 320px; margin: 16px 0 0; }
.footer-col h4 { font-size: 13px; color: var(--paper); margin-bottom: 14px; font-weight: 590; }
.footer-col a, .footer-col span { display: block; color: var(--fog); font-size: 14px; margin-bottom: 10px; transition: color .15s; }
.footer-col a:hover { color: var(--mist); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 20px;
  padding-bottom: 28px;
  border-top: 1px solid var(--graphite);
  color: var(--fog);
  font-size: 13px;
}
.footer-links { display: flex; gap: 20px; }
.footer-bottom a:hover { color: var(--acid); }

/* ===== Legal / prose page ===== */
.legal { padding: 56px 0 96px; }
.legal-back {
  display: inline-block;
  color: var(--fog);
  font-size: 14px;
  margin-bottom: 28px;
  transition: color .15s;
}
.legal-back:hover { color: var(--acid); }
.prose { max-width: 760px; margin: 0 auto; }
.prose h1 { font-size: clamp(30px, 5vw, 44px); margin-bottom: 12px; }
.prose .legal-updated { color: var(--fog); font-size: 14px; margin: 0 0 40px; }
.prose h2 {
  font-size: 20px;
  margin: 36px 0 12px;
  padding-top: 24px;
  border-top: 1px solid var(--graphite);
}
.prose h2:first-of-type { border-top: none; padding-top: 0; }
.prose p { color: var(--mist); font-size: 16px; margin: 0 0 14px; }
.prose ul { color: var(--mist); font-size: 16px; margin: 0 0 14px; padding-left: 22px; }
.prose li { margin-bottom: 8px; }
.prose a { color: var(--acid); }
.legal-callout {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--carbon);
  border: 1px solid var(--graphite);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin: 0 0 36px;
}
.legal-callout .lock { color: var(--acid); font-size: 22px; line-height: 1.2; }
.legal-callout p { margin: 0; font-size: 15px; }

/* ===== FAB (mobile) ===== */
.fab {
  display: none;
  position: fixed;
  right: 16px; bottom: 16px;
  z-index: 40;
  background: var(--acid);
  color: var(--void);
  font-weight: 590;
  font-size: 14px;
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  box-shadow: 0 6px 24px rgba(0,0,0,0.4);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .stats-strip { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav { display: none; }
  .header-actions .phone-link { display: none; }
  .burger { display: flex; }
  .header-inner { gap: 12px; }

  /* mobile nav dropdown */
  .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: var(--carbon);
    border-bottom: 1px solid var(--graphite);
    padding: 16px 24px;
    gap: 18px;
    margin: 0;
  }
  .fab { display: inline-block; }
  .hero { padding: 64px 0 48px; }
  .section { padding: 64px 0; }
  :root { --gap-section: 64px; }
}

@media (max-width: 480px) {
  .cards { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .stats-strip { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .header-actions .btn { display: none; }
}