/* ============================================================
   Nyxtron Tech — landing styles
   ============================================================ */

:root {
  /* brand */
  --c-cyan:    oklch(0.82 0.16 215);
  --c-blue:    oklch(0.68 0.20 260);
  --c-violet:  oklch(0.62 0.24 295);
  --c-magenta: oklch(0.58 0.27 330);

  --grad-brand: linear-gradient(135deg, var(--c-cyan) 0%, var(--c-violet) 55%, var(--c-magenta) 100%);
  --grad-brand-soft: linear-gradient(135deg,
    color-mix(in oklch, var(--c-cyan) 28%, transparent),
    color-mix(in oklch, var(--c-violet) 28%, transparent),
    color-mix(in oklch, var(--c-magenta) 28%, transparent));

  /* dark surface */
  --bg:           oklch(0.10 0.02 270);
  --bg-elev:      oklch(0.13 0.025 270);
  --bg-card:      oklch(0.15 0.028 270);
  --line:         oklch(0.25 0.03 275 / 0.55);
  --line-strong:  oklch(0.32 0.04 275 / 0.85);

  --fg:        oklch(0.97 0.005 270);
  --fg-dim:    oklch(0.78 0.015 270);
  --fg-muted:  oklch(0.58 0.018 270);

  /* type */
  --f-display: "Space Grotesk", system-ui, sans-serif;
  --f-body:    "Space Grotesk", system-ui, sans-serif;
  --f-mono:    "JetBrains Mono", ui-monospace, monospace;

  /* spacing */
  --gutter: clamp(24px, 4vw, 64px);
  --maxw:   1200px;

  /* radii */
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-xl: 32px;
}

/* light mode */
[data-theme="light"] {
  --bg:           oklch(0.99 0.005 270);
  --bg-elev:      oklch(0.97 0.008 270);
  --bg-card:      oklch(1.00 0 0);
  --line:         oklch(0.85 0.015 270 / 0.9);
  --line-strong:  oklch(0.75 0.02 275 / 0.9);

  --fg:        oklch(0.18 0.02 270);
  --fg-dim:    oklch(0.35 0.02 270);
  --fg-muted:  oklch(0.50 0.02 270);
}

/* reset-ish */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--f-body);
  font-feature-settings: "ss01", "ss02", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }

/* Focus / tap-highlight suppression */
:focus, :focus-visible, :focus-within {
  outline: none !important;
  box-shadow: none;
}
* {
  -webkit-tap-highlight-color: transparent;
}
/* Don't let interactive controls show a text-selection highlight when clicked */
button, .btn, a, .nav-links a, .faq-q, .arrow-btn, .theme-toggle, .carousel-dots .dot {
  -webkit-user-select: none;
  user-select: none;
}

/* ============================================================
   Page chrome: glows + background patterns
   ============================================================ */

.page {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

/* background variants */
.bg-grid::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 30%, transparent 75%);
  z-index: -2;
  pointer-events: none;
  opacity: 0.55;
}

.bg-mesh::before {
  content: "";
  position: fixed;
  inset: -20%;
  background:
    radial-gradient(40% 35% at 18% 22%, color-mix(in oklch, var(--c-violet) 35%, transparent), transparent 70%),
    radial-gradient(35% 32% at 82% 18%, color-mix(in oklch, var(--c-cyan) 32%, transparent), transparent 70%),
    radial-gradient(45% 40% at 75% 78%, color-mix(in oklch, var(--c-magenta) 28%, transparent), transparent 70%),
    radial-gradient(35% 32% at 20% 80%, color-mix(in oklch, var(--c-blue) 30%, transparent), transparent 70%);
  filter: blur(40px) saturate(120%);
  z-index: -2;
  pointer-events: none;
  opacity: 0.55;
}

.bg-noise::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.5 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/></svg>");
  opacity: 0.08;
  mix-blend-mode: overlay;
  z-index: -2;
  pointer-events: none;
}
[data-theme="light"] .bg-noise::before { opacity: 0.04; }

/* ambient glow blobs everywhere */
.ambient {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}
.ambient .blob {
  position: absolute;
  width: 50vmin;
  height: 50vmin;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
}
[data-theme="light"] .ambient .blob { opacity: 0.18; }

.ambient .b1 { background: var(--c-cyan);    top: -10%; right: -8%; }
.ambient .b2 { background: var(--c-violet);  top: 35%;  left: -15%; }
.ambient .b3 { background: var(--c-magenta); bottom: -10%; right: 10%; }

/* ============================================================
   Container
   ============================================================ */
.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

/* ============================================================
   Nav
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  background: color-mix(in oklch, var(--bg) 60%, transparent);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.brand {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--f-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  font-size: 18px;
}
.brand-mark {
  width: 32px; height: 32px;
  display: grid; place-items: center;
}
.brand-name { white-space: nowrap; }
.brand-name .dot {
  color: var(--c-cyan);
  display: inline-block; transform: translateY(-2px);
}

.nav-links {
  display: flex; gap: 32px;
  font-size: 14px;
  color: var(--fg-dim);
}
.nav-links a { transition: color .2s; }
.nav-links a:hover { color: var(--fg); }

.nav-actions {
  display: flex; gap: 12px; align-items: center;
}
.theme-toggle {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: grid; place-items: center;
  color: var(--fg-dim);
  transition: color .2s, border-color .2s, background .2s;
}
.theme-toggle:hover { color: var(--fg); border-color: var(--line-strong); }

@media (max-width: 760px) {
  .nav-links { display: none; }
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
  transition: transform .2s, box-shadow .2s, background .2s, color .2s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }

.btn-primary {
  position: relative;
  color: oklch(0.13 0.02 270);
  background: var(--grad-brand);
  box-shadow:
    0 0 0 1px color-mix(in oklch, var(--c-cyan) 40%, transparent),
    0 10px 40px -10px color-mix(in oklch, var(--c-violet) 70%, transparent);
  font-weight: 600;
}
.btn-primary:hover {
  box-shadow:
    0 0 0 1px color-mix(in oklch, var(--c-cyan) 60%, transparent),
    0 16px 50px -10px color-mix(in oklch, var(--c-violet) 90%, transparent);
}

.btn-ghost {
  color: var(--fg);
  border: 1px solid var(--line-strong);
  background: color-mix(in oklch, var(--bg-elev) 60%, transparent);
}
.btn-ghost:hover {
  border-color: color-mix(in oklch, var(--c-violet) 50%, var(--line-strong));
  background: color-mix(in oklch, var(--c-violet) 8%, var(--bg-elev));
}

/* ============================================================
   Type
   ============================================================ */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px 6px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: color-mix(in oklch, var(--bg-elev) 70%, transparent);
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--fg-dim);
}
.eyebrow .pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--c-cyan);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--c-cyan) 25%, transparent);
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px color-mix(in oklch, var(--c-cyan) 25%, transparent); }
  50%      { box-shadow: 0 0 0 6px color-mix(in oklch, var(--c-cyan) 5%,  transparent); }
}

h1, h2, h3 { font-family: var(--f-display); margin: 0; letter-spacing: -0.025em; line-height: 1.05; }
h1 { font-weight: 600; }
h2 { font-weight: 600; font-size: clamp(34px, 4.5vw, 56px); letter-spacing: -0.03em; }
h3 { font-weight: 500; font-size: 22px; letter-spacing: -0.015em; line-height: 1.25; }

.gradient-text {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 200% 100%;
  animation: drift 8s ease-in-out infinite;
}
@keyframes drift {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}

.mono { font-family: var(--f-mono); }
.muted { color: var(--fg-muted); }
.dim   { color: var(--fg-dim); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  padding-top: clamp(60px, 10vw, 130px);
  padding-bottom: clamp(80px, 10vw, 140px);
  text-align: center;
  position: relative;
}

.hero-title {
  font-size: clamp(48px, 8.5vw, 116px);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 0.95;
  margin: 24px 0 28px;
  text-wrap: balance;
}
.hero-sub {
  max-width: 620px;
  margin: 0 auto;
  font-size: clamp(16px, 1.4vw, 19px);
  color: var(--fg-dim);
  line-height: 1.55;
  text-wrap: pretty;
}
.hero-ctas {
  display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
  margin-top: 40px;
}
.hero-stats {
  display: flex; justify-content: center; gap: clamp(20px, 4vw, 64px);
  margin-top: 64px;
  flex-wrap: wrap;
}
.hero-stat {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
}
.hero-stat .n {
  font-family: var(--f-display);
  font-size: 28px; font-weight: 600;
  letter-spacing: -0.02em;
}
.hero-stat .l {
  font-family: var(--f-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-muted);
}

/* big glowing mark behind/above hero title */
.hero-mark {
  width: clamp(96px, 14vw, 156px);
  height: clamp(96px, 14vw, 156px);
  margin: 0 auto;
  position: relative;
}
.hero-mark::before {
  content: "";
  position: absolute; inset: -40%;
  background: var(--grad-brand);
  filter: blur(60px);
  opacity: 0.35;
  border-radius: 50%;
  z-index: -1;
}
.hero-mark img, .hero-mark svg { width: 100%; height: 100%; display: block; }

/* ============================================================
   Section base
   ============================================================ */
section { position: relative; }
.section {
  padding-block: clamp(70px, 9vw, 130px);
}
.section-head {
  text-align: center;
  margin-bottom: clamp(40px, 5vw, 72px);
}
.section-head h2 { margin-top: 14px; text-wrap: balance; }
.section-head p {
  max-width: 580px; margin: 18px auto 0;
  color: var(--fg-dim);
  font-size: 17px;
  line-height: 1.55;
  text-wrap: pretty;
}

/* ============================================================
   Marquee
   ============================================================ */
.marquee-wrap {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 28px 0;
  background: color-mix(in oklch, var(--bg-elev) 50%, transparent);
  overflow: hidden;
  position: relative;
}
.marquee-wrap::before,
.marquee-wrap::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0; width: 120px;
  z-index: 2;
  pointer-events: none;
}
.marquee-wrap::before { left: 0;  background: linear-gradient(to right, var(--bg), transparent); }
.marquee-wrap::after  { right: 0; background: linear-gradient(to left,  var(--bg), transparent); }

.marquee {
  display: flex;
  gap: 48px;
  animation: scroll 38s linear infinite;
  width: max-content;
}
.marquee:hover { animation-play-state: paused; }
.marquee .item {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--fg-dim);
  white-space: nowrap;
}
.marquee .item .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--grad-brand);
}
@keyframes scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================================
   Features grid
   ============================================================ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) {
  .feature-grid { grid-template-columns: 1fr; }
}

.card {
  position: relative;
  padding: 28px;
  border-radius: var(--r-lg);
  background: color-mix(in oklch, var(--bg-card) 80%, transparent);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: border-color .25s, transform .25s, background .25s;
}
.card::before {
  /* gradient hairline */
  content: "";
  position: absolute; inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: var(--grad-brand);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  transition: opacity .25s;
  pointer-events: none;
}
.card:hover { transform: translateY(-2px); }
.card:hover::before { opacity: 0.55; }

.card .icon {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: color-mix(in oklch, var(--c-violet) 14%, var(--bg-elev));
  border: 1px solid color-mix(in oklch, var(--c-violet) 30%, var(--line));
  margin-bottom: 22px;
  color: var(--c-cyan);
}

.card h3 { margin-bottom: 10px; }
.card p { color: var(--fg-dim); font-size: 15px; line-height: 1.6; margin: 0; }

.card .tags {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: 18px;
}
.card .tags span {
  font-family: var(--f-mono);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--fg-muted);
  background: color-mix(in oklch, var(--bg-elev) 50%, transparent);
}

/* ============================================================
   Showcase (mobile mockups)
   ============================================================ */
.showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  align-items: stretch;
}
@media (max-width: 760px) {
  .showcase { grid-template-columns: 1fr; }
}

.showcase-card {
  position: relative;
  border-radius: var(--r-xl);
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 80% at 100% 0%, color-mix(in oklch, var(--c-violet) 14%, transparent), transparent 60%),
    radial-gradient(120% 80% at 0% 100%, color-mix(in oklch, var(--c-cyan) 12%, transparent), transparent 60%),
    var(--bg-card);
  overflow: hidden;
  display: flex; flex-direction: column;
  min-height: 460px;
}
.showcase-card .meta {
  padding: 24px 24px 0;
}
.showcase-card .meta .tag {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-cyan);
}
.showcase-card .meta h3 {
  margin: 8px 0 6px;
  font-size: 20px;
}
.showcase-card .meta p {
  color: var(--fg-dim); font-size: 14px; line-height: 1.55; margin: 0;
}
.showcase-card .stage {
  flex: 1;
  position: relative;
  display: grid; place-items: center;
  padding: 24px;
}

/* phone mock */
.phone {
  width: 220px;
  aspect-ratio: 9 / 19;
  border-radius: 34px;
  background: oklch(0.07 0.015 270);
  border: 1px solid oklch(0.30 0.02 275);
  box-shadow:
    0 30px 60px -20px rgba(0,0,0,0.6),
    inset 0 0 0 6px oklch(0.05 0.01 270);
  padding: 14px 12px;
  display: flex; flex-direction: column;
  gap: 10px;
  position: relative;
}
.phone::before {
  content: "";
  position: absolute;
  top: 8px; left: 50%; transform: translateX(-50%);
  width: 90px; height: 22px;
  border-radius: 12px;
  background: oklch(0.04 0 0);
}
.phone .screen {
  flex: 1; margin-top: 22px;
  border-radius: 22px;
  background: var(--bg-elev);
  overflow: hidden;
  display: flex; flex-direction: column;
  padding: 14px;
  gap: 10px;
}

.placeholder {
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-md);
  background:
    repeating-linear-gradient(45deg,
      transparent 0 8px,
      color-mix(in oklch, var(--c-violet) 6%, transparent) 8px 16px);
  display: grid; place-items: center;
  color: var(--fg-muted);
  font-family: var(--f-mono);
  font-size: 11px;
  text-align: center;
  padding: 16px;
}

/* fake app UI inside phone */
.appui-bar {
  height: 26px;
  border-radius: 8px;
  background: color-mix(in oklch, var(--c-violet) 20%, var(--bg-card));
  display: flex; align-items: center; padding: 0 10px;
  gap: 6px;
  font-family: var(--f-mono);
  font-size: 9px;
  color: var(--fg-dim);
}
.appui-bar .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--c-cyan); }

.appui-hero {
  border-radius: 10px;
  background: var(--grad-brand);
  height: 80px;
  position: relative;
  overflow: hidden;
}
.appui-hero::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(60% 80% at 30% 30%, rgba(255,255,255,0.25), transparent 60%);
}
.appui-row {
  height: 14px;
  border-radius: 5px;
  background: color-mix(in oklch, var(--bg-card) 80%, var(--line));
}
.appui-row.short { width: 60%; }
.appui-row.tiny  { width: 35%; }

.appui-card {
  border-radius: 10px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  padding: 8px;
  display: flex; gap: 8px; align-items: center;
}
.appui-thumb {
  width: 24px; height: 24px; border-radius: 6px;
  background: var(--grad-brand);
  flex-shrink: 0;
}

/* ============================================================
   Showcase carousel
   ============================================================ */
.carousel-wrap {
  position: relative;
  /* break out of the .wrap container so cards can bleed to the right edge */
  margin-right: calc(var(--gutter) * -1);
}
.carousel-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(440px, 480px);
  gap: 22px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-left: 4px;
  scroll-padding-right: var(--gutter);
  padding-bottom: 28px;
  padding-right: var(--gutter);
  /* fade in/out edges */
  mask-image: linear-gradient(to right,
    black 0%, black calc(100% - 80px), transparent 100%);
  -webkit-mask-image: linear-gradient(to right,
    black 0%, black calc(100% - 80px), transparent 100%);

  /* hide scrollbar but keep functionality */
  scrollbar-width: none;
}
.carousel-track::-webkit-scrollbar { display: none; }
.carousel-track > .showcase-card {
  scroll-snap-align: start;
  min-height: 540px;
}

@media (max-width: 760px) {
  .carousel-track { grid-auto-columns: 86%; }
  .carousel-track > .showcase-card { min-height: 480px; }
}

/* phone inside carousel cards looks bigger */
.carousel-track .phone {
  width: 240px;
}

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
  padding-right: var(--gutter);
}
.carousel-dots {
  display: flex;
  gap: 6px;
  align-items: center;
}
.carousel-dots .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--line-strong);
  transition: width .3s, background .3s;
}
.carousel-dots .dot.on {
  width: 24px;
  border-radius: 999px;
  background: var(--grad-brand);
}
.carousel-arrows {
  display: flex;
  gap: 8px;
}
.arrow-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: color-mix(in oklch, var(--bg-elev) 60%, transparent);
  color: var(--fg-dim);
  display: grid; place-items: center;
  transition: color .2s, border-color .2s, transform .2s, background .2s;
}
.arrow-btn:hover {
  color: var(--fg);
  border-color: color-mix(in oklch, var(--c-violet) 50%, var(--line-strong));
  background: color-mix(in oklch, var(--c-violet) 8%, var(--bg-elev));
  transform: translateY(-1px);
}
.marks-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
@media (max-width: 760px) {
  .marks-grid { grid-template-columns: repeat(2, 1fr); }
}
.mark-card {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: color-mix(in oklch, var(--bg-card) 80%, transparent);
  padding: 24px 20px;
  display: flex; flex-direction: column; align-items: center;
  gap: 18px;
  transition: border-color .25s, transform .25s, background .25s;
  cursor: pointer;
}
.mark-card.active {
  border-color: color-mix(in oklch, var(--c-violet) 70%, transparent);
  background: color-mix(in oklch, var(--c-violet) 6%, var(--bg-card));
  box-shadow: 0 0 0 1px color-mix(in oklch, var(--c-violet) 50%, transparent),
              0 14px 40px -16px color-mix(in oklch, var(--c-violet) 60%, transparent);
}
.mark-card:hover { transform: translateY(-2px); }
.mark-display {
  width: 88px; height: 88px;
  display: grid; place-items: center;
}
.mark-display img, .mark-display svg { width: 100%; height: 100%; }
.mark-meta {
  text-align: center;
}
.mark-meta .name {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: 14px;
}
.mark-meta .desc {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-top: 4px;
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-list {
  max-width: 760px; margin: 0 auto;
  border-top: 1px solid var(--line);
}
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-q {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 4px;
  font-family: var(--f-display);
  font-weight: 500;
  font-size: 17px;
  letter-spacing: -0.01em;
  text-align: left;
  color: var(--fg);
}
.faq-q .plus {
  width: 24px; height: 24px;
  display: grid; place-items: center;
  color: var(--fg-dim);
  transition: transform .25s, color .25s;
}
.faq-item.open .faq-q .plus { transform: rotate(45deg); color: var(--c-cyan); }
.faq-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .35s ease;
}
.faq-a > div {
  overflow: hidden;
  color: var(--fg-dim);
  font-size: 15px;
  line-height: 1.65;
  padding-inline: 4px;
}
.faq-item.open .faq-a {
  grid-template-rows: 1fr;
}
.faq-item.open .faq-a > div {
  padding-bottom: 22px;
}

/* ============================================================
   CTA
   ============================================================ */
.cta-card {
  position: relative;
  border-radius: var(--r-xl);
  padding: clamp(40px, 6vw, 80px) clamp(28px, 5vw, 64px);
  text-align: center;
  background:
    radial-gradient(80% 100% at 50% 0%, color-mix(in oklch, var(--c-violet) 22%, transparent), transparent 70%),
    radial-gradient(70% 100% at 50% 100%, color-mix(in oklch, var(--c-cyan) 18%, transparent), transparent 70%),
    var(--bg-card);
  border: 1px solid var(--line);
  overflow: hidden;
}
.cta-card::before {
  content: "";
  position: absolute; inset: 0;
  padding: 1px; border-radius: inherit;
  background: var(--grad-brand);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0.5;
  pointer-events: none;
}
.cta-card h2 { font-size: clamp(34px, 4.5vw, 58px); letter-spacing: -0.03em; }
.cta-card p {
  color: var(--fg-dim); font-size: 17px; line-height: 1.55;
  max-width: 520px; margin: 16px auto 0;
}
.cta-card .ctas {
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap;
  margin-top: 36px;
}

/* email form for cta */
.email-row {
  display: flex; gap: 8px;
  max-width: 460px; margin: 36px auto 0;
  background: color-mix(in oklch, var(--bg-elev) 70%, transparent);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 6px 6px 6px 18px;
}
.email-row input {
  flex: 1;
  background: transparent;
  border: 0;
  outline: none;
  color: var(--fg);
  font-family: var(--f-body);
  font-size: 15px;
}
.email-row input::placeholder { color: var(--fg-muted); }

/* ============================================================
   Footer
   ============================================================ */
.footer {
  border-top: 1px solid var(--line);
  padding: 56px 0 32px;
  margin-top: 60px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 56px;
}
@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
.footer h4 {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin: 0 0 16px;
  font-weight: 500;
}
.footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer ul a { color: var(--fg-dim); font-size: 14px; transition: color .2s; }
.footer ul a:hover { color: var(--fg); }
.footer-tagline {
  color: var(--fg-dim); font-size: 14px; line-height: 1.6;
  max-width: 280px;
  margin: 16px 0 0;
}
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-family: var(--f-mono);
  font-size: 12px;
  color: var(--fg-muted);
  flex-wrap: wrap;
  gap: 12px;
}

/* ============================================================
   Reveal-on-scroll
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.in {
  opacity: 1;
  transform: none;
}

/* nav active state */
.nav.scrolled {
  background: color-mix(in oklch, var(--bg) 80%, transparent);
}

/* ============================================================
   Tweaks palette swatches
   ============================================================ */
.swatch {
  width: 100%;
  height: 28px;
  border-radius: 8px;
}

/* ============================================================
   Mobile responsive fixes
   ============================================================ */
@media (max-width: 760px) {
  /* Stronger horizontal padding on every section's container */
  .wrap {
    padding-inline: 28px;
  }

  /* Carousel: contain inside the gutter instead of bleeding to the edge */
  .carousel-wrap {
    margin-right: 0;
  }
  .carousel-track {
    padding-right: 0;
    scroll-padding-right: 0;
    mask-image: none;
    -webkit-mask-image: none;
  }
  .carousel-controls {
    padding-right: 0;
  }

  /* CTA card: real inset on both sides */
  .cta-card {
    padding-inline: 28px;
  }

  /* Email form: stack so the input + button never overflow */
  .email-row {
    flex-direction: column;
    align-items: stretch;
    border-radius: 20px;
    padding: 8px;
    gap: 8px;
  }
  .email-row input {
    padding: 12px 14px;
  }
  .email-row .btn-primary {
    justify-content: center;
  }

  /* FAQ rows: question + answer share the same horizontal padding */
  .faq-q {
    padding-inline: 12px;
  }
  .faq-a > div {
    padding-inline: 12px;
  }

  /* Footer: keep some side room */
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

@media (max-width: 480px) {
  /* Even more side padding on very small screens */
  .wrap {
    padding-inline: 24px;
  }
  .cta-card {
    padding-inline: 22px;
  }

  /* Hero stats wrap nicely instead of squeezing */
  .hero-stats {
    gap: 24px;
  }

  /* Section padding tighter vertically on very small screens */
  .section {
    padding-block: clamp(56px, 14vw, 90px);
  }
}