/* =========================================================================
   MicroLab — website styles
   Design tokens mirrored from ui/src/styles.scss (grafito palette).
   Dark is the default; [data-theme="light"] overrides to the light palette.
   ========================================================================= */

/* ---------- Tokens: dark (grafito, default) ---------- */
:root {
  --bg: #0d1015;
  --bg-elev: #14181f;
  --panel: #181d25;
  --panel-2: #212834;
  --border: #2c3542;
  --border-soft: #1f2631;
  --text: #e4e9f0;
  --muted: #8b95a4;
  --accent: #8ec5ff;
  --accent-2: #b2a7f2;
  --ok: #86d6a8;
  --ok-2: #6cc492;
  --warn: #f0cf94;
  --err: #f0a4a4;
  --accent-rgb: 142, 197, 255;
  --accent-2-rgb: 178, 167, 242;
  --ok-rgb: 134, 214, 168;
  --on-accent: #0b1622;
  --head-bg: #0f1219;
  --code-bg: #090c11;

  /* Brand gradient (from splash) */
  --brand-a: #4aa3ff;
  --brand-b: #6f7bff;

  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 18px;
  --shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 18px 50px rgba(0, 0, 0, 0.5);

  --font: 'Segoe UI Variable', 'Segoe UI', Inter, system-ui, -apple-system, sans-serif;
  --font-mono: 'Cascadia Code', 'Cascadia Mono', Consolas, ui-monospace, 'JetBrains Mono', monospace;

  --container: 1140px;
  --header-h: 64px;
}

/* ---------- Tokens: light ---------- */
:root[data-theme='light'] {
  --bg: #f4f6fa;
  --bg-elev: #ffffff;
  --panel: #ffffff;
  --panel-2: #eef1f6;
  --border: #d6dce5;
  --border-soft: #e7ebf2;
  --text: #1e2632;
  --muted: #5e6877;
  --accent: #3b82c4;
  --accent-2: #7a6fd0;
  --ok: #3a9d6a;
  --ok-2: #2f855a;
  --warn: #bb8528;
  --err: #cf6a6a;
  --accent-rgb: 59, 130, 196;
  --accent-2-rgb: 122, 111, 208;
  --ok-rgb: 58, 157, 106;
  --on-accent: #ffffff;
  --head-bg: #edf0f5;
  --code-bg: #f0f3f8;
  --shadow: 0 6px 24px rgba(15, 23, 42, 0.12);
  --shadow-lg: 0 18px 50px rgba(15, 23, 42, 0.18);
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 100% -10%, rgba(var(--accent-2-rgb), 0.08), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(var(--accent-rgb), 0.07), transparent 55%),
    var(--bg);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}

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

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--code-bg);
  border: 1px solid var(--border-soft);
  border-radius: 6px;
  padding: 0.1em 0.4em;
  color: var(--text);
}

::selection {
  background: rgba(var(--accent-rgb), 0.3);
}

/* ---------- Accessibility ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--accent);
  color: var(--on-accent);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-weight: 650;
}
.skip-link:focus {
  left: 12px;
  top: 12px;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.container-narrow {
  max-width: 760px;
}

.section {
  padding: 88px 0;
}
.section-title {
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-align: center;
  line-height: 1.2;
}
.section-sub {
  text-align: center;
  color: var(--muted);
  max-width: 640px;
  margin: 14px auto 0;
  font-size: 1.05rem;
}

.grad-text {
  background: linear-gradient(120deg, var(--brand-a), var(--brand-b));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-weight: 650;
  font-size: 0.95rem;
  line-height: 1;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  cursor: pointer;
  transition: transform 0.15s ease, filter 0.15s ease, background 0.15s ease,
    border-color 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
}
.btn:hover {
  text-decoration: none;
}
.btn:active {
  transform: translateY(1px);
}
.btn-sm {
  padding: 8px 14px;
  font-size: 0.88rem;
}
.btn-lg {
  padding: 15px 26px;
  font-size: 1.02rem;
}
.btn-block {
  width: 100%;
}
.btn-ico {
  width: 18px;
  height: 18px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand-a), var(--brand-b));
  color: #fff;
  box-shadow: 0 4px 16px rgba(var(--accent-rgb), 0.28);
}
.btn-primary:hover {
  filter: brightness(1.06);
  box-shadow: 0 6px 22px rgba(var(--accent-rgb), 0.38);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: color-mix(in srgb, var(--head-bg) 82%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.site-header.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}
.brand:hover {
  text-decoration: none;
}
.brand-mark {
  width: 30px;
  height: 30px;
  display: inline-flex;
  filter: drop-shadow(0 3px 10px rgba(74, 163, 255, 0.35));
}
.brand-mark.small {
  width: 26px;
  height: 26px;
}
.brand-name {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.2px;
}
.brand-name b {
  color: var(--brand-a);
  font-weight: 700;
}

.site-nav {
  display: flex;
  gap: 26px;
  margin-left: 12px;
}
.site-nav a {
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 600;
  transition: color 0.15s ease;
}
.site-nav a:hover {
  color: var(--text);
  text-decoration: none;
}

.header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-btn {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.icon-btn:hover {
  background: var(--panel);
  color: var(--accent);
}
.icon-btn svg {
  width: 18px;
  height: 18px;
}
.icon-moon {
  display: none;
}
:root[data-theme='light'] .icon-sun {
  display: none;
}
:root[data-theme='light'] .icon-moon {
  display: block;
}

/* Hamburger (mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0 9px;
  align-items: center;
  justify-content: center;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ---------- Hero ---------- */
.hero {
  padding: clamp(48px, 8vw, 96px) 0 72px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.1);
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  padding: 5px 12px;
  border-radius: 99px;
  margin-bottom: 18px;
}
.hero-copy h1 {
  font-size: clamp(2.1rem, 5.2vw, 3.4rem);
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -0.03em;
}
.lead {
  margin-top: 20px;
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 560px;
}
.lead strong {
  color: var(--text);
  font-weight: 650;
}
.hero-cta {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.hero-meta {
  margin-top: 18px;
  font-size: 0.9rem;
  color: var(--muted);
}

/* ---------- Hero visual: app mockup ---------- */
.hero-visual {
  position: relative;
}
.hero-glow {
  position: absolute;
  inset: -12% -8% -18% -8%;
  z-index: -1;
  background: radial-gradient(60% 60% at 60% 30%, rgba(var(--accent-rgb), 0.22), transparent 70%);
  filter: blur(30px);
}
.app-window {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-elev);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: perspective(1400px) rotateY(-6deg) rotateX(2deg);
  transition: transform 0.4s ease;
}
.hero-visual:hover .app-window {
  transform: perspective(1400px) rotateY(-2deg) rotateX(1deg);
}
.app-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--head-bg);
  border-bottom: 1px solid var(--border-soft);
}
.tb-brand {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.82rem;
  font-weight: 650;
  color: var(--text);
}
.tb-brand svg {
  width: 16px;
  height: 16px;
}
.tb-controls {
  display: inline-flex;
  gap: 8px;
}
.tb-controls i {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--panel-2);
  display: inline-block;
}
.tb-controls .tb-close {
  background: rgba(var(--accent-rgb), 0.5);
}
.app-body {
  display: flex;
  min-height: 320px;
}
.app-rail {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 16px 10px;
  background: var(--head-bg);
  border-right: 1px solid var(--border-soft);
}
.rail-item {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: var(--panel-2);
}
.rail-item.active {
  background: rgba(var(--accent-rgb), 0.25);
  box-shadow: inset 0 0 0 1px rgba(var(--accent-rgb), 0.5);
}
.app-content {
  flex: 1;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.scenario-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 650;
  margin-bottom: 4px;
}
.run-btn {
  margin-left: auto;
  font-size: 0.75rem;
  font-weight: 650;
  color: var(--on-accent);
  background: linear-gradient(135deg, var(--ok), var(--ok-2));
  padding: 4px 10px;
  border-radius: 99px;
}
.micro-card {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 0.82rem;
  box-shadow: inset 3px 0 0 var(--ok);
}
.mc-name {
  font-family: var(--font-mono);
  font-size: 0.78rem;
}
.mc-port {
  margin-left: auto;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.74rem;
}
.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex: none;
}
.dot-ok {
  background: var(--ok);
  box-shadow: 0 0 8px var(--ok);
}
.dot-warn {
  background: var(--warn);
  box-shadow: 0 0 8px var(--warn);
}
.badge {
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 2px 8px;
  border-radius: 99px;
  border: 1px solid var(--border);
}
.badge-native {
  color: var(--ok);
  border-color: rgba(var(--ok-rgb), 0.4);
}
.badge-container {
  color: var(--accent);
  border-color: rgba(var(--accent-rgb), 0.4);
}
.badge-mock {
  color: var(--accent-2);
  border-color: rgba(var(--accent-2-rgb), 0.4);
}
.badge-infra {
  color: var(--muted);
}
.log-strip {
  margin-top: 6px;
  background: var(--code-bg);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.log-line {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
}
.lg-ok {
  color: var(--ok);
}
.lg-accent {
  color: var(--accent);
}

.pulse {
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.35;
  }
}

/* ---------- Problem / compare ---------- */
.compare {
  margin-top: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.compare-col {
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 26px 28px;
}
.compare-after {
  border-color: rgba(var(--accent-rgb), 0.35);
  box-shadow: 0 0 0 1px rgba(var(--accent-rgb), 0.15), var(--shadow);
}
.compare-col h3 {
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.tag {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 3px 9px;
  border-radius: 99px;
}
.tag-bad {
  color: var(--err);
  background: rgba(240, 164, 164, 0.12);
}
.tag-good {
  color: var(--ok);
  background: rgba(var(--ok-rgb), 0.14);
}
.compare-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 11px;
}
.compare-col li {
  position: relative;
  padding-left: 26px;
  color: var(--muted);
  font-size: 0.96rem;
}
.compare-col li strong {
  color: var(--text);
}
.compare-before li::before {
  content: '×';
  position: absolute;
  left: 0;
  top: -1px;
  color: var(--err);
  font-weight: 700;
}
.compare-after li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--ok);
  font-weight: 700;
}

/* ---------- Features ---------- */
.feature-grid {
  margin-top: 52px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 24px 22px;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}
.feature-card:hover {
  transform: translateY(-3px);
  border-color: var(--border);
  box-shadow: var(--shadow);
}
.feature-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(var(--accent-rgb), 0.12);
  color: var(--accent);
  margin-bottom: 16px;
}
.feature-ico svg {
  width: 24px;
  height: 24px;
}
.feature-card h3 {
  font-size: 1.08rem;
  font-weight: 650;
  margin-bottom: 8px;
}
.feature-card p {
  color: var(--muted);
  font-size: 0.93rem;
}

/* ---------- How it works ---------- */
.steps {
  margin-top: 52px;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  counter-reset: step;
}
.step {
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 26px 22px;
  position: relative;
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--on-accent);
  background: linear-gradient(135deg, var(--brand-a), var(--brand-b));
  margin-bottom: 16px;
}
.step h3 {
  font-size: 1.05rem;
  font-weight: 650;
  margin-bottom: 6px;
}
.step p {
  color: var(--muted);
  font-size: 0.93rem;
}

/* ---------- Stacks ---------- */
.stack-list {
  margin-top: 44px;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}
.stack-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: 99px;
  padding: 10px 20px;
  font-weight: 650;
  font-size: 1rem;
}
.stack-chip span {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 2px 8px;
}
.stack-chip.stack-on {
  border-color: rgba(var(--ok-rgb), 0.4);
}
.stack-chip.stack-on span {
  color: var(--ok);
  border-color: rgba(var(--ok-rgb), 0.4);
}

/* ---------- Download ---------- */
.download-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.download-card {
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 30px 26px;
  text-align: center;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}
.download-card.is-detected {
  border-color: rgba(var(--accent-rgb), 0.5);
  box-shadow: 0 0 0 1px rgba(var(--accent-rgb), 0.2), var(--shadow);
}
.download-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.dl-ico {
  display: inline-flex;
  color: var(--accent);
  margin-bottom: 14px;
}
.dl-ico svg {
  width: 40px;
  height: 40px;
}
.download-card h3 {
  font-size: 1.25rem;
  font-weight: 650;
}
.dl-detail {
  color: var(--muted);
  font-size: 0.88rem;
  margin: 6px 0 20px;
}
.download-alt {
  text-align: center;
  color: var(--muted);
  margin-top: 28px;
  font-size: 0.95rem;
}
.detected-os {
  display: block;
  margin-top: 6px;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.95rem;
}

/* ---------- FAQ ---------- */
.faq-list {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 22px;
  font-weight: 650;
  font-size: 1.02rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: '';
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
  flex: none;
  margin-top: -4px;
}
.faq-item[open] summary::after {
  transform: rotate(-135deg);
  margin-top: 4px;
}
.faq-item[open] summary {
  color: var(--accent);
}
.faq-body {
  padding: 0 22px 20px;
  color: var(--muted);
}

/* ---------- CTA final ---------- */
.cta-final {
  padding-bottom: 96px;
}
.cta-box {
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.12), rgba(var(--accent-2-rgb), 0.12));
  border: 1px solid rgba(var(--accent-rgb), 0.28);
  border-radius: var(--radius-lg);
  padding: 56px 32px;
  text-align: center;
}
.cta-box h2 {
  font-size: clamp(1.6rem, 3.4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.cta-box p {
  color: var(--muted);
  margin: 12px auto 28px;
  max-width: 480px;
  font-size: 1.05rem;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--head-bg);
  padding: 48px 0 28px;
}
.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.footer-tag {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 2px;
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}
.footer-nav a {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
}
.footer-nav a:hover {
  color: var(--text);
  text-decoration: none;
}
.footer-bottom {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--border-soft);
  color: var(--muted);
  font-size: 0.85rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-visual {
    order: -1;
  }
  .app-window {
    transform: none;
  }
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .download-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
  }
  .compare {
    grid-template-columns: 1fr;
  }

  .site-nav,
  .header-actions .btn {
    display: none;
  }
  .nav-toggle {
    display: flex;
    margin-left: auto;
  }
  .header-actions {
    margin-left: 0;
  }

  /* Mobile nav open */
  .site-header.nav-open .site-nav {
    display: flex;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--head-bg);
    border-bottom: 1px solid var(--border);
    padding: 8px 24px 16px;
    margin: 0;
  }
  .site-header.nav-open .site-nav a {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-soft);
  }
  .site-header.nav-open .nav-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .site-header.nav-open .nav-toggle span:nth-child(2) {
    opacity: 0;
  }
  .site-header.nav-open .nav-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

@media (max-width: 560px) {
  .section {
    padding: 64px 0;
  }
  .feature-grid,
  .steps {
    grid-template-columns: 1fr;
  }
  .hero-cta .btn {
    width: 100%;
  }
  .container {
    padding: 0 18px;
  }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .app-window {
    transform: none;
  }
}