/* ========= Base ========= */

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

:root {
  --violet: #8b5cf6;
  --violet-strong: #6d28d9;
  --violet-neon: #a855f7;
  --violet-soft: #f5f3ff;
  --magenta-pop: #ec4899;
  --gray-deep: #111827;
  --gray-mid: #4b5563;
  --gray-soft: #e5e7eb;
  --bg: #f9fafb;
  --bg-card: #ffffff;
  --border: #111827;
  --shadow-hard: 7px 7px 0 #020617;
  --shadow-soft: 0 20px 60px rgba(15, 23, 42, 0.28);
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", sans-serif;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  background: radial-gradient(circle at top, #ede9fe, #f9fafb 50%, #e5e7eb);
  color: var(--gray-deep);
  scroll-behavior: smooth;
}

body {
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
}

/* ========= Background orbs ========= */

.bg-orb {
  position: fixed;
  z-index: -1;
  border-radius: 999px;
  filter: blur(40px);
  opacity: 0.85;
  mix-blend-mode: multiply;
  pointer-events: none;
  animation: float 18s ease-in-out infinite alternate;
}

.orb-1 {
  width: 220px;
  height: 220px;
  top: -30px;
  left: -40px;
  background: radial-gradient(circle, var(--violet-neon), transparent 60%);
}

.orb-2 {
  width: 260px;
  height: 260px;
  top: 40%;
  right: -80px;
  background: radial-gradient(circle, var(--magenta-pop), transparent 65%);
  animation-delay: 3s;
}

.orb-3 {
  width: 190px;
  height: 190px;
  bottom: -40px;
  left: 40%;
  background: radial-gradient(circle, #818cf8, transparent 60%);
  animation-delay: 6s;
}

@keyframes float {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  100% {
    transform: translate3d(20px, -30px, 0) scale(1.1);
  }
}

/* ========= Buttons ========= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.65rem 1.5rem;
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  border: 2px solid var(--border);
  background: var(--bg-card);
  color: var(--gray-deep);
  cursor: pointer;
  box-shadow: var(--shadow-hard);
  transition: transform 0.16s cubic-bezier(0.19, 1, 0.22, 1),
    box-shadow 0.16s cubic-bezier(0.19, 1, 0.22, 1),
    background-color 0.16s ease, color 0.16s ease;
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--violet),
    var(--violet-strong)
  );
  color: #ffffff;
}

.btn:hover {
  transform: translate(-3px, -3px) translateZ(0);
  box-shadow: 11px 11px 0 #000000;
}

.btn:active {
  transform: translate(0, 0);
  box-shadow: 4px 4px 0 #000000;
}

/* ========= Navigation ========= */

.nav {
  border-bottom: 2px solid var(--border);
  background: rgba(249, 250, 251, 0.9);
  backdrop-filter: blur(18px);
  position: sticky;
  top: 0;
  z-index: 40;
}

.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0.9rem 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-logo-wrap {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: var(--bg-card);
  border: 2px solid var(--border);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-logo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.nav-brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.nav-title {
  font-weight: 900;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.nav-subtitle {
  font-size: 0.8rem;
  color: var(--gray-mid);
}

.nav-links {
  display: flex;
  gap: 0.8rem;
  font-size: 0.9rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--gray-deep);
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  border: 2px solid transparent;
  transition: border-color 0.16s ease, background 0.16s ease,
    transform 0.16s ease;
}

.nav-links a:hover {
  border-color: var(--border);
  background: rgba(248, 250, 252, 0.95);
  transform: translateY(-1px);
}

.nav-cta {
  font-size: 0.86rem;
}

/* ========= Hero ========= */

.hero {
  padding: 2.8rem 1.2rem 2.5rem;
}

.hero-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.2fr);
  gap: 2rem;
  align-items: stretch;
}

.hero-logo-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  border: 2px solid var(--border);
  background: radial-gradient(circle at 0 20%, #fdf2ff, var(--violet-soft));
  box-shadow: var(--shadow-hard);
  margin-bottom: 1.1rem;
}

.hero-logo {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  object-fit: cover;
}

.hero-badge-text {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hero-copy h1 {
  font-size: clamp(2.2rem, 3vw, 2.8rem);
  margin: 0 0 0.9rem;
  letter-spacing: -0.05em;
  line-height: 1.05;
}

.highlight {
  display: block;
  color: var(--violet-strong);
}

.hero-sub {
  margin: 0;
  font-size: 0.98rem;
  max-width: 34rem;
  color: var(--gray-mid);
}

.hero-actions {
  margin-top: 1.3rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem 1rem;
}

.hero-btn {
  padding-inline: 1.7rem;
}

.hero-note {
  font-size: 0.8rem;
  color: var(--gray-mid);
}

.hero-note code {
  background: rgba(255, 255, 255, 0.9);
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  border: 1px solid var(--gray-soft);
}

.hero-bullets {
  margin: 1.3rem 0 0;
  padding-left: 1.1rem;
  font-size: 0.9rem;
  color: var(--gray-mid);
}

.hero-bullets li + li {
  margin-top: 0.3rem;
}

/* Hero panel */

.hero-panel {
  display: flex;
  align-items: stretch;
}

.hero-card {
  border-radius: 24px;
  border: 2px solid var(--border);
  background: linear-gradient(145deg, #111827, #020617);
  color: #e5e7eb;
  box-shadow: var(--shadow-soft), var(--shadow-hard);
  padding: 1.2rem 1.1rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  position: relative;
  overflow: hidden;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: radial-gradient(
    circle at 0 0,
    rgba(139, 92, 246, 0.2),
    transparent 60%
  );
  opacity: 0.8;
  pointer-events: none;
}

.hero-card-logo-strip {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  border-bottom: 2px solid rgba(148, 163, 184, 0.5);
  padding-bottom: 0.6rem;
  position: relative;
  z-index: 1;
}

.hero-card-logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  object-fit: cover;
  border: 2px solid rgba(148, 163, 184, 0.7);
}

.hero-card-logo-strip span {
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-metrics {
  margin: 0;
  position: relative;
  z-index: 1;
}

.hero-metrics .hero-metric {
  display: flex;
  justify-content: space-between;
  font-size: 0.86rem;
  padding: 0.4rem 0;
  border-bottom: 1px dashed rgba(148, 163, 184, 0.5);
}

.hero-metrics .hero-metric:last-of-type {
  border-bottom: none;
}

.hero-metric dt {
  color: #cbd5f5;
}

.hero-metric dd {
  margin: 0;
  font-weight: 600;
}

.metric-strong {
  color: #a5b4fc;
}

.hero-disclaimer {
  position: relative;
  z-index: 1;
  font-size: 0.78rem;
  color: #9ca3af;
  margin: 0.3rem 0 0;
}

/* ========= Sections ========= */

.section {
  padding: 2.4rem 1.2rem 2.6rem;
}

.section-alt {
  background: rgba(255, 255, 255, 0.94);
}

.section-inner {
  max-width: 1120px;
  margin: 0 auto;
}

.section h2 {
  margin: 0 0 0.4rem;
  font-size: 1.6rem;
}

.section-lead {
  margin: 0;
  max-width: 42rem;
  font-size: 0.95rem;
  color: var(--gray-mid);
}

/* ========= Scroll reveal ========= */

.section-reveal {
  opacity: 0;
  transform: translateY(24px);
  animation: revealUp 0.7s ease-out forwards;
}

.section-reveal.delay-1 {
  animation-delay: 0.18s;
}

@keyframes revealUp {
  0% {
    opacity: 0;
    transform: translateY(26px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========= Cards grid ========= */

.cards-grid {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.1rem;
}

.card {
  background: var(--bg-card);
  border-radius: 20px;
  border: 2px solid var(--border);
  box-shadow: var(--shadow-hard);
  padding: 1rem 1rem 0.9rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.card::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: radial-gradient(
    circle at 0 0,
    rgba(139, 92, 246, 0.18),
    transparent 60%
  );
  opacity: 0;
  transition: opacity 0.18s ease;
  pointer-events: none;
}

.card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 10px 10px 0 #020617;
}

.card:hover::before {
  opacity: 1;
}

.card h3 {
  margin: 0 0 0.3rem;
  font-size: 0.98rem;
}

.card p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--gray-mid);
}

/* ========= Security layout ========= */

.security-layout {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.1fr);
  gap: 1.5rem;
}

.security-copy h3 {
  font-size: 1.05rem;
  margin: 0.4rem 0 0.4rem;
}

.list {
  margin: 0.25rem 0 0.85rem;
  padding-left: 1.1rem;
  font-size: 0.9rem;
  color: var(--gray-mid);
}

.list li + li {
  margin-top: 0.25rem;
}

.check-list li::marker {
  content: "■ ";
  color: var(--violet-strong);
}

.plain-list li::marker {
  content: "– ";
}

.security-box {
  background: var(--bg-card);
  border-radius: 20px;
  border: 2px solid var(--border);
  box-shadow: var(--shadow-hard);
  padding: 1rem 1rem 0.9rem;
}

.security-box-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  border-bottom: 2px solid var(--border);
  padding-bottom: 0.5rem;
}

.security-logo {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  object-fit: cover;
}

.security-box-header span {
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.kv {
  margin: 0.5rem 0 0.4rem;
}

.kv div {
  margin-bottom: 0.35rem;
}

.kv dt {
  font-size: 0.82rem;
  color: var(--gray-mid);
}

.kv dd {
  margin: 0;
  font-size: 0.9rem;
}

.security-note {
  font-size: 0.8rem;
  color: var(--gray-mid);
}

/* ========= Charts ========= */

.charts-layout {
  margin-top: 1.7rem;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1.1fr);
  gap: 1.5rem;
}

.chart-card {
  background: var(--bg-card);
  border-radius: 20px;
  border: 2px solid var(--border);
  box-shadow: var(--shadow-hard);
  padding: 1rem 1.1rem 0.95rem;
}

.chart-card h3 {
  margin: 0;
  font-size: 1.02rem;
}

.chart-small {
  font-size: 0.8rem;
  color: var(--gray-mid);
}

.chart-caption {
  margin: 0.35rem 0 0;
  font-size: 0.82rem;
  color: var(--gray-mid);
}

/* ==== SVG bar chart ==== */

.bar-svg-wrapper {
  margin-top: 1rem;
}

.bar-svg {
  width: 100%;
  height: auto;
  display: block;
}

.bar-x4 {
  fill: url(#x4Gradient);
}

/* fallback if gradient id not used */
.bar-x4 {
  fill: #a855f7;
  stroke: var(--border);
  stroke-width: 1.2;
}

.bar-trad {
  fill: #6b7280;
  stroke: var(--border);
  stroke-width: 1.2;
}

.axis {
  stroke: #9ca3af;
  stroke-width: 1;
}

.axis-label {
  fill: var(--gray-mid);
  font-size: 9px;
}

.axis-label-x {
  fill: var(--gray-mid);
  font-size: 8px;
  text-anchor: middle;
}

/* Legend under bar chart */

.bar-legend {
  margin-top: 0.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1.4rem;
  font-size: 0.8rem;
  color: var(--gray-mid);
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.legend-swatch {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  border: 2px solid var(--border);
}

.legend-x4 {
  background: linear-gradient(135deg, var(--violet-neon), var(--violet-strong));
}

.legend-trad {
  background: #6b7280;
}

/* ==== Line chart ==== */

.line-chart-wrapper {
  margin-top: 1rem;
}

.line-chart {
  width: 100%;
  height: auto;
}

.line {
  fill: none;
  stroke-width: 2;
}

.line-x4 {
  stroke: var(--violet-neon);
}

.line-trad {
  stroke: #6b7280;
  stroke-dasharray: 3 3;
}

.dot {
  r: 3;
}

.dot-x4 {
  fill: var(--violet-neon);
}

.dot-trad {
  fill: #6b7280;
}

.legend-text {
  fill: var(--gray-mid);
  font-size: 8px;
}

.chart-footnote {
  margin-top: 0.55rem;
  font-size: 0.8rem;
  color: var(--gray-mid);
}

/* CTA panel */

.cta-panel {
  margin-top: 2rem;
  border-radius: 22px;
  border: 2px solid var(--border);
  background: linear-gradient(
    135deg,
    rgba(139, 92, 246, 0.18),
    rgba(236, 72, 153, 0.13)
  );
  box-shadow: var(--shadow-hard);
  padding: 1rem 1.2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.9rem;
}

.cta-text h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

.cta-text p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--gray-mid);
}

/* ========= Footer ========= */

.footer {
  padding: 1.2rem 1.2rem 1.4rem;
  border-top: 2px solid var(--border);
  background: rgba(15, 23, 42, 0.96);
  color: #e5e7eb;
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.footer-logo {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  border: 2px solid #e5e7eb;
  box-shadow: 4px 4px 0 #000000;
  object-fit: cover;
}

.footer-text {
  font-size: 0.8rem;
}

.footer-right a {
  font-size: 0.82rem;
  color: #e5e7eb;
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.footer-right a:hover {
  border-color: #e5e7eb;
}

/* ========= Responsive ========= */

@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-panel {
    order: -1;
  }

  .cards-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .security-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .charts-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .nav-links {
    display: none;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 2rem;
  }

  .cards-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .cta-panel {
    align-items: flex-start;
  }

  .axis-label-x {
    font-size: 7px;
  }
}