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

html {
  scroll-behavior: smooth;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", sans-serif;
}

body {
  position: relative;
  overflow-x: hidden;
  line-height: 1.6;
}

body.nav-open {
  overflow: hidden;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

button {
  border: 0;
  background: none;
  cursor: pointer;
}

/* FULL-SITE THREE.JS BACKGROUND */
#siteBgCanvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1; /* 👈 -10 hatao */
}
}

/* SOFT OVERLAY ABOVE THREE.JS, BELOW CONTENT */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -9;
  pointer-events: none;
  background:
    radial-gradient(circle at 20% 30%, rgba(70, 120, 255, 0.05), transparent 42%),
    radial-gradient(circle at 80% 20%, rgba(100, 180, 255, 0.03), transparent 38%),
    radial-gradient(circle at 50% 80%, rgba(60, 100, 255, 0.025), transparent 42%),
    linear-gradient(180deg, rgba(4, 7, 19, 0.06) 0%, rgba(5, 9, 22, 0.1) 100%);
}

.container {
  width: min(calc(100% - 32px), var(--container));
  margin-inline: auto;
}

/* STATIC DECORATIVE BACKGROUND BELOW THREE.JS */
.site-bg {
  position: fixed;
  inset: 0;
  z-index: -11;
  overflow: hidden;
  pointer-events: none;
  background:
    radial-gradient(circle at 20% 20%, rgba(33, 92, 255, 0.03), transparent 30%),
    radial-gradient(circle at 80% 18%, rgba(88, 173, 255, 0.02), transparent 26%),
    radial-gradient(circle at 50% 80%, rgba(214, 179, 106, 0.01), transparent 28%),
    linear-gradient(180deg, #02050f 0%, #030714 55%, #02040d 100%);
}

.bg-grid {
  position: absolute;
  inset: 0;
  opacity: 0.045;
  background-image:
    linear-gradient(rgba(116, 152, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(116, 152, 255, 0.06) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(circle at center, black 34%, transparent 92%);
}

.bg-glow {
  position: absolute;
  border-radius: 999px;
  filter: blur(110px);
  opacity: 0.2;
}

.bg-glow-1 {
  width: 380px;
  height: 380px;
  top: 9%;
  left: -6%;
  background: rgba(46, 121, 255, 0.16);
  animation: floatGlow 13s ease-in-out infinite;
}

.bg-glow-2 {
  width: 420px;
  height: 420px;
  right: -8%;
  bottom: 5%;
  background: rgba(78, 161, 255, 0.12);
  animation: floatGlow 15s ease-in-out infinite reverse;
}

.bg-noise {
  position: absolute;
  inset: 0;
  opacity: 0.015;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,0.42) 0.6px, transparent 0.8px),
    radial-gradient(circle at 70% 40%, rgba(255,255,255,0.3) 0.6px, transparent 0.8px),
    radial-gradient(circle at 50% 75%, rgba(255,255,255,0.3) 0.6px, transparent 0.8px);
  background-size: 190px 190px, 240px 240px, 220px 220px;
}

main {
  padding-top: calc(var(--nav-height) + 24px);
}

.section {
  padding: 48px 0 28px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 28px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--primary-strong);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  box-shadow: var(--glow-blue);
}

.eyebrow.small {
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  margin-bottom: 8px;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 12px;
  line-height: 1.12;
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 5.5rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.3rem);
}

h3 {
  font-size: clamp(1.15rem, 2vw, 1.45rem);
}

h4 {
  font-size: 1rem;
}

p {
  margin: 0 0 14px;
  color: var(--text-soft);
  font-size: 1rem;
}

.glass-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.02)),
    var(--surface);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  box-shadow: var(--shadow-lg);
  transition:
    transform var(--transition-med),
    border-color var(--transition-med),
    box-shadow var(--transition-med),
    background var(--transition-med);
}

.glass-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    130deg,
    rgba(255,255,255,0.14) 0%,
    rgba(255,255,255,0.03) 18%,
    transparent 42%,
    transparent 100%
  );
  pointer-events: none;
}

.glass-card::after {
  content: "";
  position: absolute;
  top: -120%;
  left: -40%;
  width: 55%;
  height: 300%;
  transform: rotate(18deg);
  background: linear-gradient(
    180deg,
    rgba(255,255,255,0) 0%,
    rgba(255,255,255,0.02) 20%,
    rgba(255,255,255,0.16) 50%,
    rgba(255,255,255,0.03) 80%,
    rgba(255,255,255,0) 100%
  );
  opacity: 0;
  pointer-events: none;
  transition:
    opacity var(--transition-med),
    transform 0.8s ease;
}

.glass-card:hover {
  transform: translateY(-6px);
  border-color: rgba(124, 168, 255, 0.34);
  box-shadow:
    var(--shadow-xl),
    0 0 30px rgba(78, 161, 255, 0.12),
    inset 0 0 24px rgba(124, 198, 255, 0.04);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.09), rgba(255,255,255,0.03)),
    rgba(10, 16, 32, 0.68);
}

.glass-card:hover::after {
  opacity: 1;
  transform: translateX(180%) rotate(18deg);
}

.cards-grid {
  display: grid;
  gap: 20px;
}

.cards-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: -0.01em;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    border-color var(--transition-fast),
    background var(--transition-fast);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: #061120;
  background: linear-gradient(135deg, var(--primary-strong), #9ed8ff);
  box-shadow:
    0 12px 30px rgba(78, 161, 255, 0.22),
    0 0 20px rgba(78, 161, 255, 0.18);
}

.btn-secondary {
  color: var(--text);
  border: 1px solid rgba(124, 168, 255, 0.22);
  background: rgba(255,255,255,0.04);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.03);
}

.btn-secondary:hover {
  border-color: rgba(124, 168, 255, 0.36);
  box-shadow: var(--glow-blue);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary-strong);
  font-weight: 600;
  margin-top: 10px;
}

.text-link::after {
  content: "→";
  transition: transform var(--transition-fast);
}

.text-link:hover::after {
  transform: translateX(4px);
}

.split-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
  align-items: stretch;
}

.feature-list {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.feature-item {
  padding: 18px;
}

.split-panel {
  padding: 24px;
  min-height: 100%;
}

.stack-lines {
  display: grid;
  gap: 16px;
  height: 100%;
}

.stack-line {
  padding: 18px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(124, 168, 255, 0.12);
}

.stack-line span {
  display: block;
  color: var(--text-dim);
  font-size: 0.82rem;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.stack-line strong {
  font-size: 1rem;
  color: var(--text);
}

.cta-section {
  padding-bottom: 70px;
}

.cta-card {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px;
}

.cta-card p {
  max-width: 620px;
  margin-bottom: 0;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.ecosystem-card {
  min-height: 220px;
  padding: 22px;
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  margin-bottom: 18px;
  background:
    radial-gradient(circle at 35% 35%, rgba(255,255,255,0.55), transparent 18%),
    linear-gradient(135deg, rgba(124, 198, 255, 0.36), rgba(30, 94, 255, 0.18));
  border: 1px solid rgba(124, 168, 255, 0.22);
  box-shadow: var(--glow-blue);
}

.site-footer {
  padding: 0 0 36px;
}

.footer-line {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(124, 168, 255, 0.36), transparent);
  margin-bottom: 18px;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--text-dim);
  font-size: 0.92rem;
}

@media (max-width: 1100px) {
  .cards-3,
  .split-layout,
  .cta-card {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 780px) {
  .section {
    padding: 38px 0 22px;
  }

  .container {
    width: min(calc(100% - 20px), var(--container));
  }

  .cta-card,
  .ecosystem-card,
  .feature-item,
  .split-panel {
    padding: 18px;
  }

  .footer-row {
    flex-direction: column;
  }
}

@keyframes floatGlow {
  0%, 100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(18px, -14px, 0) scale(1.04);
  }
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -9;
  pointer-events: none;
  background:
    radial-gradient(circle at 20% 30%, rgba(70, 120, 255, 0.025), transparent 42%),
    radial-gradient(circle at 80% 20%, rgba(100, 180, 255, 0.018), transparent 38%),
    radial-gradient(circle at 50% 80%, rgba(60, 100, 255, 0.015), transparent 42%),
    linear-gradient(180deg, rgba(4, 7, 19, 0.02) 0%, rgba(5, 9, 22, 0.04) 100%);
}

.site-bg {
  position: fixed;
  inset: 0;
  z-index: -11;
  overflow: hidden;
  pointer-events: none;
  background:
    radial-gradient(circle at 20% 20%, rgba(33, 92, 255, 0.015), transparent 30%),
    radial-gradient(circle at 80% 18%, rgba(88, 173, 255, 0.012), transparent 26%),
    radial-gradient(circle at 50% 80%, rgba(214, 179, 106, 0.006), transparent 28%),
    linear-gradient(180deg, #01030a 0%, #02050f 55%, #010209 100%);
}
/* =========================
   VENX MOBILE RESPONSIVE PATCH
   ========================= */

@media (max-width: 1100px) {
  .cards-3,
  .split-layout {
    grid-template-columns: 1fr;
  }

  .cta-card {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 780px) {
  main {
    padding-top: calc(var(--nav-height) + 16px);
  }

  .section {
    padding: 34px 0 20px;
  }

  .section-heading {
    margin-bottom: 22px;
  }

  .eyebrow {
    gap: 8px;
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    margin-bottom: 12px;
  }

  .eyebrow::before {
    width: 20px;
  }

  h1 {
    font-size: clamp(2.1rem, 10vw, 3.6rem);
    line-height: 1.06;
  }

  h2 {
    font-size: clamp(1.65rem, 7vw, 2.4rem);
    line-height: 1.1;
  }

  h3 {
    font-size: 1.15rem;
  }

  p {
    font-size: 0.95rem;
    line-height: 1.58;
  }

  .container {
    width: min(calc(100% - 20px), var(--container));
  }

  .ecosystem-card,
  .feature-item,
  .split-panel,
  .cta-card {
    padding: 18px;
  }

  .ecosystem-card {
    min-height: unset;
  }

  .stack-lines {
    gap: 12px;
  }

  .stack-line {
    padding: 15px;
  }

  .stack-line span {
    font-size: 0.74rem;
    letter-spacing: 0.1em;
  }

  .stack-line strong {
    font-size: 0.95rem;
    line-height: 1.45;
  }

  .cta-card {
    gap: 18px;
  }

  .cta-card p {
    max-width: 100%;
  }

  .cta-actions {
    width: 100%;
    flex-direction: column;
  }

  .cta-actions .btn {
    width: 100%;
  }

  .btn {
    min-height: 48px;
    padding: 0 18px;
  }

  .card-icon {
    width: 42px;
    height: 42px;
    margin-bottom: 14px;
  }

  .footer-row {
    flex-direction: column;
  }
}

@media (max-width: 600px) {
  main {
    padding-top: calc(var(--nav-height) + 12px);
  }

  .section {
    padding: 30px 0 18px;
  }

  h1 {
    font-size: clamp(1.9rem, 11vw, 3rem);
  }

  h2 {
    font-size: clamp(1.45rem, 8vw, 2rem);
  }

  p {
    font-size: 0.93rem;
  }

  .glass-card {
    border-radius: 20px;
  }

  .ecosystem-card,
  .feature-item,
  .split-panel,
  .cta-card {
    padding: 16px;
  }

  .stack-line {
    padding: 14px;
  }

  .btn {
    min-height: 46px;
    font-size: 0.95rem;
  }
}

@media (max-width: 420px) {
  .container {
    width: min(calc(100% - 16px), var(--container));
  }

  .section {
    padding: 26px 0 16px;
  }

  .eyebrow {
    font-size: 0.68rem;
    letter-spacing: 0.12em;
  }

  h1 {
    font-size: clamp(1.75rem, 11vw, 2.6rem);
  }

  h2 {
    font-size: clamp(1.3rem, 8vw, 1.8rem);
  }

  p {
    font-size: 0.91rem;
    line-height: 1.55;
  }

  .ecosystem-card,
  .feature-item,
  .split-panel,
  .cta-card {
    padding: 14px;
  }

  .stack-line strong {
    font-size: 0.92rem;
  }
}