:root {
  --bg: #0B0E14;
  --bg-soft: #0F1420;
  --bg-panel: #121828;
  --bg-panel-2: #171E31;
  --border: #242C44;
  --border-soft: #1C2338;
  --text: #E8EAED;
  --text-muted: #A7AEC2;
  --text-dim: #7C849C;
  --accent: #A78BFA;
  --accent-soft: #C4B5FD;
  --accent-deep: #8B5CF6;
  --accent-ink: #1A1033;
  --radius: 14px;
  --radius-lg: 22px;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background-color: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, p, ul, ol {
  margin-top: 0;
}

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

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

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============ NAVIGATION: THREE-SEGMENT TOP BAR ============ */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  padding: 20px 40px;
  background-color: var(--bg);
  border-bottom: 1px solid var(--border-soft);
}

.site-nav-left {
  display: flex;
  align-items: center;
  gap: 28px;
  justify-content: flex-start;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--accent-soft);
}

.site-nav-brand {
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
}

.site-nav-brand .brand-dot {
  color: var(--accent);
}

.site-nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: flex-end;
}

.site-nav-cta {
  display: inline-block;
  padding: 11px 22px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  background-color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 999px;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.site-nav-cta:hover {
  background-color: var(--accent-deep);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle-bar {
  width: 22px;
  height: 2px;
  background-color: var(--text);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle.open .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  z-index: 999;
  flex-direction: column;
  padding: 16px 24px 24px;
  background-color: var(--bg-soft);
  border-bottom: 1px solid var(--border-soft);
}

.mobile-menu a {
  padding: 14px 0;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text);
  border-bottom: 1px solid var(--border-soft);
}

.mobile-menu a:last-child {
  border-bottom: none;
}

.mobile-menu.open {
  display: flex;
}

/* ============ HERO: FULLSCREEN CSS MEDIA ============ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 140px 24px 90px;
  overflow: hidden;
  background-color: var(--bg);
}

.hero-media {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 55% at 18% 20%, rgba(139, 92, 246, 0.9) 0%, transparent 60%),
    radial-gradient(ellipse 55% 50% at 82% 24%, rgba(196, 181, 253, 0.9) 0%, transparent 55%),
    radial-gradient(ellipse 70% 60% at 50% 85%, rgba(109, 40, 217, 0.9) 0%, transparent 60%),
    conic-gradient(from 220deg at 50% 50%, rgba(11, 14, 20, 0.9), rgba(23, 30, 49, 0.9), rgba(11, 14, 20, 0.9), rgba(18, 24, 40, 0.9), rgba(11, 14, 20, 0.9));
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(167, 139, 250, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(167, 139, 250, 0.08) 1px, transparent 1px);
  background-size: 64px 64px;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.hero-eyebrow {
  display: inline-block;
  margin-bottom: 22px;
  padding: 7px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: 999px;
  background-color: var(--bg);
}

.hero-title {
  margin-bottom: 24px;
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  line-height: 1.06;
  font-weight: 800;
  letter-spacing: -0.035em;
  color: var(--text);
}

.hero-sub {
  max-width: 620px;
  margin: 0 auto 36px;
  font-size: 1.15rem;
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: 34px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
  color: var(--text);
  background-color: var(--accent);
  border: 1px solid var(--accent);
}

.btn-primary:hover {
  background-color: var(--accent-deep);
  transform: translateY(-2px);
}

.btn-ghost {
  color: var(--text);
  background-color: transparent;
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--accent-soft);
  transform: translateY(-2px);
}

/* ============ STATEMENT ============ */

.statement-section {
  padding: 110px 0;
  background-color: var(--bg-soft);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}

.statement-block {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}

.statement-mark {
  display: block;
  width: 56px;
  height: 4px;
  margin: 0 auto 30px;
  background-color: var(--accent);
  border-radius: 2px;
}

.statement-text {
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

/* ============ SECTION HEADINGS ============ */

.section-head {
  max-width: 680px;
  margin-bottom: 60px;
}

.section-kicker {
  margin-bottom: 14px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-soft);
}

.section-title {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
}

.section-intro {
  font-size: 1.1rem;
  color: var(--text-muted);
}

/* ============ PROCESS ============ */

.process-section {
  padding: 110px 0;
  background-color: var(--bg);
}

.process-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}

.process-item {
  padding: 32px 28px;
  background-color: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  border-top: 3px solid var(--accent);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.process-item:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
}

.process-num {
  display: block;
  margin-bottom: 20px;
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--accent);
}

.process-name {
  margin-bottom: 12px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
}

.process-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* ============ COMPARISON ============ */

.comparison-section {
  padding: 110px 0;
  background-color: var(--bg-soft);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}

.comparison-table {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--bg-panel);
}

.comparison-row {
  display: grid;
  grid-template-columns: 200px 1fr 1fr;
  gap: 0;
}

.comparison-row + .comparison-row {
  border-top: 1px solid var(--border-soft);
}

.comparison-cell {
  padding: 22px 24px;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.comparison-cell + .comparison-cell {
  border-left: 1px solid var(--border-soft);
}

.comparison-label {
  font-weight: 700;
  color: var(--text);
}

.comparison-head .comparison-cell {
  font-weight: 700;
  color: var(--text);
  background-color: var(--bg-panel-2);
}

.comparison-feature {
  color: var(--accent-soft);
}

/* ============ CAPABILITIES ============ */

.capabilities-section {
  padding: 110px 0 40px;
  background-color: var(--bg);
}

.capability-track {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  padding: 8px 24px 48px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.capability-track::-webkit-scrollbar {
  height: 8px;
}

.capability-track::-webkit-scrollbar-thumb {
  background-color: var(--border);
  border-radius: 4px;
}

.capability-card {
  flex: 0 0 300px;
  scroll-snap-align: start;
  padding: 34px 28px;
  background-color: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  transition: border-color 0.25s ease;
}

.capability-card:hover {
  border-color: var(--accent);
}

.capability-index {
  display: block;
  margin-bottom: 22px;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent);
}

.capability-name {
  margin-bottom: 12px;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
}

.capability-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* ============ STATS ============ */

.stats-section {
  padding: 70px 0 110px;
  background-color: var(--bg);
}

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

.stat {
  text-align: center;
  padding: 30px 20px;
  background-color: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
}

.stat-value {
  display: block;
  margin-bottom: 10px;
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--accent);
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* ============ FAQ ============ */

.faq-section {
  padding: 110px 0;
  background-color: var(--bg-soft);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}

.faq-list {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 16px;
  background-color: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-question {
  padding: 24px 28px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  position: relative;
  transition: color 0.2s ease;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: "+";
  position: absolute;
  right: 28px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--accent);
  transition: transform 0.25s ease;
}

.faq-item[open] .faq-question::after {
  transform: translateY(-50%) rotate(45deg);
}

.faq-answer {
  margin: 0;
  padding: 0 28px 26px;
  font-size: 0.98rem;
  color: var(--text-muted);
}

/* ============ CONTACT ============ */

.contact-section {
  padding: 110px 0;
  background-color: var(--bg);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-details {
  list-style: none;
  margin: 0;
  padding: 0;
}

.contact-details li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-soft);
}

.contact-detail-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.contact-details a {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent-soft);
}

.contact-form {
  padding: 36px 32px;
  background-color: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-field {
  margin-bottom: 18px;
}

.form-field label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 13px 16px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--text);
  background-color: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: border-color 0.2s ease;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-note {
  margin: 14px 0 0;
  font-size: 0.92rem;
  color: var(--accent-soft);
  min-height: 1.2em;
}

/* ============ FOOTER ============ */

.site-footer {
  background-color: var(--bg-soft);
  border-top: 1px solid var(--border-soft);
}

.footer-newsletter {
  padding: 54px 0;
  background-color: var(--bg-panel);
  border-bottom: 1px solid var(--border-soft);
}

.footer-newsletter-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.footer-newsletter-title {
  margin: 0;
  max-width: 480px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
}

.newsletter-form {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.newsletter-form input {
  padding: 13px 18px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--text);
  background-color: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  min-width: 260px;
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--accent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-top: 60px;
  padding-bottom: 40px;
}

.footer-logo {
  display: inline-block;
  margin-bottom: 16px;
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
}

.footer-logo .brand-dot {
  color: var(--accent);
}

.footer-tagline {
  max-width: 300px;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col-title {
  margin-bottom: 6px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.footer-col a {
  font-size: 0.95rem;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--accent-soft);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  padding-bottom: 28px;
  border-top: 1px solid var(--border-soft);
}

.footer-bottom p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* ============ SCROLL REVEAL ============ */

.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============ RESPONSIVE ============ */

@media (max-width: 980px) {
  .site-nav {
    grid-template-columns: auto 1fr auto;
    padding: 16px 24px;
  }

  .site-nav-left {
    display: none;
  }

  .site-nav-brand {
    justify-self: start;
    padding-left: 8px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav-cta {
    display: none;
  }

  .process-list {
    grid-template-columns: 1fr 1fr;
  }

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

  .comparison-row {
    grid-template-columns: 140px 1fr 1fr;
  }

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

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 620px) {
  .process-list {
    grid-template-columns: 1fr;
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .comparison-row {
    grid-template-columns: 1fr;
  }

  .comparison-cell + .comparison-cell {
    border-left: none;
    border-top: 1px solid var(--border-soft);
  }

  .comparison-label {
    background-color: var(--bg-panel-2);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}