/* =========================================================
   DL Data — Landing Page Styles
   ========================================================= */

:root {
  --bg: #0B0B12;
  --bg-alt: #10101B;
  --surface: #15151F;
  --surface-2: #1B1B28;
  --border: #262635;
  --text: #EDEDF5;
  --text-muted: #9C9CB0;
  --text-faint: #6E6E85;
  --accent-1: #6C5CE7;
  --accent-2: #00D9C0;
  --accent-grad: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  --danger: #FF6B6B;
  --success: #3DDC97;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.45);
  --shadow-sm: 0 6px 20px rgba(0,0,0,0.25);
  --max-width: 1180px;
  --transition: 200ms ease;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 0.5em; font-weight: 700; }

p { margin: 0 0 1em; color: var(--text-muted); }

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

button { font-family: inherit; cursor: pointer; }

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

.container-narrow { max-width: 760px; }

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
}
.skip-link:focus {
  left: 12px;
  top: 12px;
  background: var(--accent-1);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  z-index: 999;
}

/* =========== Buttons =========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.btn:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 2px;
}
.btn-primary {
  background: var(--accent-grad);
  color: #08080C;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(108,92,231,0.35); }
.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--accent-2); color: var(--accent-2); }
.btn-sm { padding: 9px 18px; font-size: 0.85rem; }
.btn-lg { padding: 15px 30px; font-size: 1rem; }
.btn[disabled] { opacity: 0.6; cursor: not-allowed; transform: none !important; }

/* =========== Header / Nav =========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11,11,18,0.7);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}
.site-header.is-scrolled {
  border-bottom-color: var(--border);
  background: rgba(11,11,18,0.92);
}

.navbar {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.05rem;
  margin-right: auto;
}
.brand-name { letter-spacing: -0.01em; }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-link {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
}
.nav-link:hover { color: var(--text); }
.nav-link.is-active { color: var(--text); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 0 auto;
  background: var(--text);
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========== Hero =========== */
.hero {
  position: relative;
  padding: 96px 0 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px 400px at 15% 10%, rgba(108,92,231,0.25), transparent 60%),
    radial-gradient(500px 400px at 90% 30%, rgba(0,217,192,0.18), transparent 60%);
  z-index: 0;
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-2);
  margin-bottom: 14px;
}
.hero-copy h1 {
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 1.08rem;
  max-width: 560px;
  margin-bottom: 30px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 34px;
}
.hero-badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.hero-badges span {
  font-size: 0.8rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.02);
}

.hero-visual {
  position: relative;
}
.team-photo {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  object-fit: cover;
}

/* =========== Trust strip =========== */
.trust-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
  padding: 20px 0;
}
.trust-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px 28px;
  font-size: 0.85rem;
  color: var(--text-faint);
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* =========== Sections =========== */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }
.section-head {
  max-width: 640px;
  margin: 0 auto 56px;
  text-align: center;
}
.section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  letter-spacing: -0.01em;
}
.section-sub { font-size: 1.02rem; }

/* =========== Capability cards =========== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-1);
  box-shadow: var(--shadow-sm);
}
.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  margin-bottom: 18px;
}
.feature-icon .icon {
  width: 24px;
  height: 24px;
  color: var(--accent);
}

/* Generic inline-SVG icon sizing. SVGs use stroke="currentColor" so they
   inherit color from whatever wraps them. */
.icon {
  display: inline-block;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}
.icon-sm { width: 16px; height: 16px; }
.feature-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.feature-card p { font-size: 0.92rem; margin-bottom: 0; }

/* =========== Tabs (How it works) =========== */
.tab-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 36px;
}
.tab-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--transition);
}
.tab-btn:hover { color: var(--text); border-color: var(--accent-2); }
.tab-btn.is-active {
  background: var(--accent-grad);
  color: #08080C;
  border-color: transparent;
}
.tab-panels {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  max-width: 720px;
  margin: 0 auto;
  min-height: 160px;
}
.tab-panel { display: none; }
.tab-panel.is-active { display: block; animation: fadeIn 300ms ease; }
.tab-panel h3 { font-size: 1.2rem; margin-bottom: 10px; }
.tab-panel p { margin-bottom: 0; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* =========== Why us grid =========== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.why-item {
  padding: 30px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent);
}
.why-item h3 { font-size: 1.1rem; margin-bottom: 8px; }
.why-item p { margin-bottom: 0; font-size: 0.95rem; }

/* =========== FAQ Accordion =========== */
.accordion-item {
  border-bottom: 1px solid var(--border);
}
.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: transparent;
  border: none;
  color: var(--text);
  padding: 22px 4px;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
}
.accordion-icon {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: transform var(--transition), background var(--transition), color var(--transition);
}
.accordion-icon .icon { color: currentColor; }
.accordion-trigger[aria-expanded="true"] .accordion-icon {
  transform: rotate(180deg);
  background: var(--accent-grad);
  color: #08080C;
  border-color: transparent;
}
.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 250ms ease;
}
.accordion-panel p {
  padding: 0 4px 22px;
  margin: 0;
  font-size: 0.95rem;
}

/* =========== CTA banner =========== */
.cta-banner {
  padding: 70px 0;
  background: var(--accent-grad);
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-inner h2 { color: #08080C; margin-bottom: 6px; font-size: 1.6rem; }
.cta-inner p { color: rgba(8,8,12,0.75); margin-bottom: 0; }
.cta-banner .btn-primary {
  background: #08080C;
  color: #fff;
}
.cta-banner .btn-primary:hover { box-shadow: 0 12px 30px rgba(0,0,0,0.35); }

/* =========== Contact direct box =========== */
.contact-direct {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin-bottom: 28px;
  font-size: 0.92rem;
  color: var(--text-muted);
}
.contact-direct .icon { color: var(--accent-2); }
.contact-direct a { color: var(--accent-2); font-weight: 600; }
.contact-direct a:hover { text-decoration: underline; }

/* =========== Contact form =========== */
.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-field {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}
.form-field input[type="text"],
.form-field input[type="email"],
.form-field select,
.form-field textarea {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color var(--transition);
  resize: vertical;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent-2);
}
.form-field.is-invalid input,
.form-field.is-invalid select,
.form-field.is-invalid textarea {
  border-color: var(--danger);
}
.field-error {
  font-size: 0.78rem;
  color: var(--danger);
  min-height: 1em;
}
.form-check {
  flex-direction: row;
  align-items: flex-start;
  gap: 10px;
}
.form-check input { margin-top: 3px; }
.form-check label { font-weight: 400; color: var(--text-muted); font-size: 0.88rem; }
.form-status {
  margin-top: 16px;
  font-size: 0.9rem;
  font-weight: 600;
  min-height: 1.2em;
}
.form-status.is-success { color: var(--success); }
.form-status.is-error { color: var(--danger); }

/* =========== Legal pages (Privacy / Terms) =========== */
.legal-page { padding-top: 64px; }
.legal-title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}
.legal-content h2 {
  font-size: 1.15rem;
  color: var(--text);
  margin: 36px 0 12px;
}
.legal-content h2:first-child { margin-top: 0; }
.legal-content p {
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.legal-content ul {
  margin: 0 0 16px;
  padding-left: 22px;
  list-style: disc;
}
.legal-content li {
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.legal-content a {
  color: var(--accent-2);
  font-weight: 600;
}
.legal-content a:hover { text-decoration: underline; }
.legal-content strong { color: var(--text); }

/* =========== Footer =========== */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
  padding-top: 60px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
  padding-bottom: 40px;
}
.footer-brand p {
  font-size: 0.88rem;
  margin-top: 14px;
  max-width: 280px;
}
.footer-contact-list {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-contact-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-muted);
}
.footer-contact-list .icon { color: var(--accent-2); }
.footer-contact-list a { color: var(--text-muted); transition: color var(--transition); }
.footer-contact-list a:hover { color: var(--accent-2); }
.footer-cols {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}
.footer-col h4 {
  font-size: 0.85rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: var(--text-muted); font-size: 0.92rem; transition: color var(--transition); }
.footer-col a:hover { color: var(--accent-2); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 24px;
}
.footer-bottom p { margin: 0; font-size: 0.82rem; color: var(--text-faint); text-align: center; }

/* =========== Back to top =========== */
.back-to-top {
  position: fixed;
  bottom: 26px;
  right: 26px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition), transform var(--transition), background var(--transition), color var(--transition);
  z-index: 90;
  box-shadow: var(--shadow-sm);
}
.back-to-top .icon { color: currentColor; }
.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover { background: var(--accent-grad); color: #08080C; }

/* =========== Reveal animation =========== */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms ease, transform 600ms ease;
}
.reveal.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 480px; margin: 0 auto 20px; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 12px 24px 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 300ms ease;
  }
  .nav-menu.is-open { max-height: 400px; }
  .nav-menu li { width: 100%; }
  .nav-link { display: block; padding: 12px 0; }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }

  .card-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cta-inner { text-align: center; justify-content: center; }
  .trust-inner { justify-content: center; text-align: center; }
  .contact-direct { flex-wrap: wrap; }
}

@media (max-width: 480px) {
  .hero { padding: 76px 0 60px; }
  .section { padding: 72px 0; }
  .tab-panels { padding: 26px; }
  .contact-form { padding: 24px; }
}