/* Rise4domotics — design tokens matched to the live brand (rise4domotics.pt):
   dark navy + cyan accent, Barlow / Barlow Condensed, glassmorphism cards */
:root {
  --color-primary: #1E293B;
  --color-on-primary: #FFFFFF;
  --color-secondary: #334155;
  --color-on-secondary: #FFFFFF;
  --color-accent: #00D4D4;
  --color-accent-strong: #00A8A8;
  --color-on-accent: #0B1520;
  --color-background: #0B1520;
  --color-background-alt: #081019;
  --color-foreground: #EEF5FB;
  --color-card: #101E2C;
  --color-card-foreground: #EEF5FB;
  --color-muted: #1B2C3D;
  --color-muted-foreground: #93A5B8;
  --color-border: #475569;
  --color-border-soft: rgba(148, 163, 184, 0.18);
  --color-destructive: #EF4444;
  --color-ring: #FFFFFF;

  --font-sans: 'Barlow', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-heading: 'Barlow Condensed', 'Barlow', system-ui, sans-serif;

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 96px;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 999px;

  --container-max: 1200px;
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.35);
  --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; color-scheme: dark; }
@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; }
}
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-foreground);
  background: var(--color-background);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, p { margin: 0; }

:focus-visible {
  outline: 2px solid var(--color-ring);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-2);
}
@media (min-width: 768px) { .container { padding-inline: var(--space-3); } }
@media (min-width: 1024px) { .container { padding-inline: var(--space-4); } }

section { padding-block: clamp(var(--space-6), 8vw, var(--space-7)); }

/* ---------- Typography ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
}
.eyebrow::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(0, 212, 212, 0.18);
}
h1, .h1, h2, .h2, h3, .h3 { font-family: var(--font-heading); text-transform: uppercase; }
h1, .h1 { font-size: clamp(2.25rem, 4.5vw, 3.75rem); font-weight: 700; line-height: 1.05; letter-spacing: -0.01em; }
h2, .h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 700; line-height: 1.1; letter-spacing: -0.005em; }
h3, .h3 { font-size: 1.375rem; font-weight: 600; line-height: 1.2; }
.lead { font-size: clamp(1.0625rem, 1.5vw, 1.25rem); color: var(--color-muted-foreground); line-height: 1.6; }
.muted { color: var(--color-muted-foreground); }
.section-head { max-width: 640px; margin-bottom: var(--space-5); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head > .eyebrow { margin-bottom: var(--space-2); }
.section-head > h2 { margin-top: var(--space-1); }
.section-head > p { margin-top: var(--space-2); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9375rem;
  border: 1px solid transparent;
  transition: transform 200ms var(--ease-standard), background-color 200ms, border-color 200ms, box-shadow 200ms;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-accent { background: var(--color-accent); color: var(--color-on-accent); box-shadow: 0 8px 24px rgba(0, 212, 212, 0.28); }
.btn-accent:hover { background: var(--color-accent-strong); }
.btn-outline { background: transparent; color: var(--color-foreground); border-color: var(--color-border-soft); }
.btn-outline:hover { border-color: var(--color-accent); background: rgba(0, 212, 212, 0.08); }
.btn-ghost { background: transparent; color: var(--color-muted-foreground); }
.btn-ghost:hover { color: var(--color-foreground); }
.btn-block { width: 100%; }

/* ---------- Glass surfaces ---------- */
.glass {
  background: rgba(27, 35, 54, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-border-soft);
}
.card {
  background: var(--color-card);
  color: var(--color-card-foreground);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  transition: border-color 250ms var(--ease-standard), transform 250ms var(--ease-standard), box-shadow 250ms var(--ease-standard);
}
.card:hover { border-color: rgba(0, 212, 212, 0.45); transform: translateY(-4px); box-shadow: var(--shadow-glass); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(15, 23, 42, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border-soft);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.125rem; font-family: var(--font-heading); text-transform: uppercase; letter-spacing: 0.01em; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 10px;
  overflow: hidden;
  flex-shrink: 0;
}
.brand-mark img { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; display: block; }
.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-4);
}
.nav-links a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-muted-foreground);
  padding: 8px 2px;
  border-bottom: 2px solid transparent;
  transition: color 200ms, border-color 200ms;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--color-foreground); }
.nav-links a[aria-current="page"] { border-color: var(--color-accent); }
.nav-actions { display: flex; align-items: center; gap: var(--space-2); }
.nav-cta { display: none; }
@media (min-width: 900px) { .nav-cta { display: inline-flex; } }
.lang-switch {
  display: flex;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-full);
  padding: 3px;
  gap: 2px;
}
.lang-switch button {
  border: none;
  background: transparent;
  color: var(--color-muted-foreground);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 10px;
  border-radius: var(--radius-full);
  min-height: 32px;
  transition: background-color 200ms, color 200ms;
}
.lang-switch button.active { background: var(--color-accent); color: var(--color-on-accent); }
.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-soft);
  background: transparent;
  color: var(--color-foreground);
}
@media (min-width: 900px) {
  .nav-links { display: flex; }
  .nav-toggle { display: none; }
}
.mobile-panel {
  display: none;
  border-top: 1px solid var(--color-border-soft);
  padding: var(--space-2) 0;
}
.mobile-panel.open { display: block; }
.mobile-panel a {
  display: block;
  padding: 14px 4px;
  font-weight: 600;
  color: var(--color-foreground);
  min-height: 44px;
}
@media (min-width: 900px) { .mobile-panel { display: none !important; } }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(var(--space-6), 10vw, 140px);
}
.hero::before {
  content: '';
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 620px;
  background: radial-gradient(60% 60% at 30% 20%, rgba(0, 212, 212, 0.22), transparent 70%),
              radial-gradient(50% 50% at 80% 10%, rgba(0, 168, 168, 0.16), transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-6);
  align-items: center;
}
@media (min-width: 960px) {
  .hero-grid { grid-template-columns: 1.05fr 0.95fr; }
}
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-4); }
.hero-stats { display: flex; flex-wrap: wrap; gap: var(--space-5); margin-top: var(--space-5); }
.hero-stat .num { font-size: 1.75rem; font-weight: 700; color: var(--color-foreground); }
.hero-stat .label { font-size: 0.8125rem; color: var(--color-muted-foreground); }

/* Abstract status-panel visual built purely in CSS — no stock imagery */
.hero-visual {
  position: relative;
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  min-height: 360px;
  overflow: hidden;
}
.hero-visual .glow {
  position: absolute; width: 220px; height: 220px; border-radius: 50%;
  background: var(--color-accent); filter: blur(90px); opacity: 0.35;
  top: -40px; right: -40px;
}
.hv-row { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); padding: 14px; border-radius: var(--radius-md); background: rgba(255,255,255,0.03); border: 1px solid var(--color-border-soft); margin-bottom: 10px; }
.hv-row .ico { width: 40px; height: 40px; border-radius: 10px; background: rgba(0,212,212,0.14); color: var(--color-accent); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.hv-row .txt { flex: 1; min-width: 0; }
.hv-row .txt .t { font-weight: 600; font-size: 0.9375rem; }
.hv-row .txt .s { font-size: 0.8125rem; color: var(--color-muted-foreground); }
.hv-status { font-size: 0.75rem; font-weight: 700; color: var(--color-accent); background: rgba(0,212,212,0.12); padding: 4px 10px; border-radius: var(--radius-full); flex-shrink: 0; }

/* ---------- Demo badge (hero dashboard simulation) ---------- */
.demo-badge {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 0.6875rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--color-muted-foreground); margin-bottom: var(--space-2);
}
.demo-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--color-accent); animation: circuit-pulse 2.4s ease-in-out infinite; }

/* ---------- Interactive demo icon states ---------- */
@keyframes hv-glow-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 212, 212, 0.35); }
  50% { box-shadow: 0 0 0 6px rgba(0, 212, 212, 0); }
}
.hv-row[data-demo-row] .ico { animation: hv-glow-pulse 2.4s ease-in-out infinite; }
.hv-row[data-demo-row] .ico.is-off { background: rgba(148, 163, 184, 0.12); color: var(--color-muted-foreground); animation: none; box-shadow: none; }

/* Alarm icon swap: shield (armed) vs. open padlock (disarmed) */
.icon-disarmed { display: none; }
.ico.is-off .icon-armed { display: none; }
.ico.is-off .icon-disarmed { display: block; }

/* ---------- Toggle switch (light) ---------- */
.hv-toggle {
  position: relative; flex-shrink: 0; width: 46px; height: 26px; padding: 0;
  border-radius: var(--radius-full); border: 1px solid var(--color-border-soft);
  background: var(--color-muted); transition: background-color 200ms var(--ease-standard), border-color 200ms;
}
.hv-toggle .knob {
  position: absolute; top: 2px; left: 2px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--color-foreground); transition: transform 200ms var(--ease-standard);
}
.hv-toggle[aria-checked="true"] { background: var(--color-accent); border-color: transparent; }
.hv-toggle[aria-checked="true"] .knob { transform: translateX(20px); background: var(--color-on-accent); }

/* ---------- Arm/disarm button (alarm) ---------- */
.hv-arm-btn {
  flex-shrink: 0; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.02em;
  padding: 7px 14px; border-radius: var(--radius-full); border: 1px solid transparent;
  background: rgba(0, 212, 212, 0.12); color: var(--color-accent);
  transition: background-color 200ms, color 200ms, border-color 200ms;
}
.hv-arm-btn[aria-pressed="false"] { background: rgba(148, 163, 184, 0.1); color: var(--color-muted-foreground); border-color: var(--color-border-soft); }

/* ---------- Grids ---------- */
.grid { display: grid; gap: var(--space-3); }
.grid-2 { grid-template-columns: repeat(1, 1fr); }
.grid-3 { grid-template-columns: repeat(1, 1fr); }
.grid-4 { grid-template-columns: repeat(1, 1fr); }
@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ---------- Service card ---------- */
.service-card .ico {
  width: 52px; height: 52px; border-radius: var(--radius-md);
  background: rgba(0, 212, 212, 0.12); color: var(--color-accent);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-2);
}
.service-card h3 { margin-bottom: 8px; }
.service-card p { color: var(--color-muted-foreground); font-size: 0.9375rem; }
.service-card .features { margin-top: var(--space-2); display: flex; flex-direction: column; gap: 6px; }
.service-card .features li { font-size: 0.875rem; color: var(--color-muted-foreground); display: flex; gap: 8px; align-items: flex-start; }
.service-card .features li svg { color: var(--color-accent); flex-shrink: 0; margin-top: 3px; }

/* ---------- Steps ---------- */
.steps { counter-reset: step; }
.step { position: relative; padding-left: 56px; }
.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute; left: 0; top: 0;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--color-muted); color: var(--color-foreground);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; border: 1px solid var(--color-border-soft);
}

/* ---------- CTA banner ---------- */
.cta-banner {
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-4), 6vw, var(--space-6));
  text-align: center;
  background: linear-gradient(135deg, rgba(0, 212, 212, 0.14), rgba(0, 168, 168, 0.1));
  border: 1px solid var(--color-border-soft);
}
.cta-banner .btn { margin-top: var(--space-3); }

/* ---------- Forms ---------- */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: var(--space-2); }
.field label { font-size: 0.875rem; font-weight: 600; }
.field .hint { font-size: 0.8125rem; color: var(--color-muted-foreground); }
.field input, .field select, .field textarea {
  min-height: 48px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-soft);
  background: rgba(255,255,255,0.03);
  color: var(--color-foreground);
  font-family: inherit;
  font-size: 0.9375rem;
}
.field select option {
  color: var(--color-foreground);
  background: var(--color-card);
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--color-accent); }
.field.error input, .field.error select, .field.error textarea { border-color: var(--color-destructive); }
.field .error-msg { display: none; font-size: 0.8125rem; color: var(--color-destructive); }
.field.error .error-msg { display: block; }
.form-status { margin-top: var(--space-2); font-size: 0.9375rem; padding: 12px 14px; border-radius: var(--radius-md); display: none; }
.form-status.show { display: block; }
.form-status.success { background: rgba(0, 212, 212, 0.12); color: var(--color-accent); border: 1px solid rgba(0,212,212,0.3); }
.form-status.error { background: rgba(239, 68, 68, 0.12); color: #FCA5A5; border: 1px solid rgba(239,68,68,0.3); }

/* ---------- Info list (contact/about) ---------- */
.info-row { display: flex; gap: 14px; align-items: flex-start; padding: 14px 0; border-bottom: 1px solid var(--color-border-soft); }
.info-row:last-child { border-bottom: none; }
.info-row .ico { width: 40px; height: 40px; border-radius: 10px; background: rgba(0,212,212,0.12); color: var(--color-accent); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.info-row .t { font-weight: 600; }
.info-row .s { color: var(--color-muted-foreground); font-size: 0.9375rem; }

/* ---------- Badges / pills ---------- */
.pill-row { display: flex; flex-wrap: wrap; gap: 10px; }
.pill {
  font-size: 0.8125rem; font-weight: 600;
  padding: 8px 14px; border-radius: var(--radius-full);
  border: 1px solid var(--color-border-soft);
  color: var(--color-muted-foreground);
  background: rgba(255,255,255,0.02);
}

/* ---------- Values grid (about) ---------- */
.value-card .ico { width: 44px; height: 44px; border-radius: 10px; background: rgba(0,168,168,0.14); color: #00D4D4; display: flex; align-items: center; justify-content: center; margin-bottom: var(--space-2); }

/* ---------- Certifications ---------- */
.cert-card .cert-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.6875rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--color-accent); background: rgba(0, 212, 212, 0.12);
  padding: 5px 12px; border-radius: var(--radius-full); margin-bottom: var(--space-2);
}
.alert-callout {
  display: flex; gap: 14px; align-items: flex-start;
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-left: 3px solid #F59E0B;
  background: rgba(245, 158, 11, 0.08);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}
.alert-callout .ico { color: #F59E0B; flex-shrink: 0; margin-top: 2px; }
.alert-callout strong { color: var(--color-foreground); }
.alert-callout a { color: var(--color-accent); text-decoration: underline; }

/* ---------- WhatsApp floating button ---------- */
.whatsapp-fab {
  position: fixed;
  right: var(--space-2);
  bottom: var(--space-2);
  z-index: 60;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #0B1520;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  transition: transform 200ms var(--ease-standard);
}
.whatsapp-fab:hover { transform: scale(1.06); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--color-border-soft); padding-block: var(--space-6); background: var(--color-background-alt); }
.footer-grid { display: grid; gap: var(--space-4); }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.footer-bottom {
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border-soft);
  display: flex; flex-wrap: wrap; gap: var(--space-2);
  justify-content: space-between; align-items: center;
  font-size: 0.8125rem; color: var(--color-muted-foreground);
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: var(--color-muted-foreground); font-size: 0.9375rem; }
.footer-links a:hover { color: var(--color-foreground); }

/* ---------- Utility ---------- */
.flex { display: flex; }
.items-center { align-items: center; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 8px; top: -60px;
  background: var(--color-accent); color: var(--color-on-accent);
  padding: 10px 16px; border-radius: var(--radius-md); font-weight: 700; z-index: 100;
  transition: top 200ms;
}
.skip-link:focus { top: 8px; }

/* ---------- Reveal animation hooks (populated by GSAP; safe default = visible) ---------- */
.reveal, .grid-item { opacity: 1; }

/* ---------- Scroll progress bar ---------- */
.progress-bar {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: linear-gradient(90deg, var(--color-accent), #38E8E8);
  z-index: 70; transition: width 80ms linear;
}
@media (prefers-reduced-motion: reduce) { .progress-bar { transition: none; } }

/* ---------- Hero circuit background (pure CSS, decorative) ---------- */
.hero-circuit {
  position: absolute; inset: 0; z-index: 0; overflow: hidden;
  opacity: 0.35; pointer-events: none;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.9), transparent 85%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,0.9), transparent 85%);
}
.hero-circuit svg { width: 100%; height: 100%; }
.hero-circuit .line {
  fill: none; stroke: var(--color-accent); stroke-width: 1;
  stroke-dasharray: 6 10; animation: circuit-flow 18s linear infinite;
}
.hero-circuit .line:nth-child(2n) { animation-duration: 24s; animation-direction: reverse; opacity: 0.7; }
.hero-circuit .node { fill: var(--color-accent); animation: circuit-pulse 3.2s ease-in-out infinite; }
.hero-circuit .node:nth-child(3n) { animation-delay: 0.6s; }
.hero-circuit .node:nth-child(4n) { animation-delay: 1.2s; }
@keyframes circuit-flow { to { stroke-dashoffset: -320; } }
@keyframes circuit-pulse { 0%, 100% { opacity: 0.25; } 50% { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  .hero-circuit .line, .hero-circuit .node { animation: none; opacity: 0.4; }
}

/* ---------- Magnetic buttons / tilt cards (JS sets transform; CSS only smooths it) ---------- */
.magnetic { transition: transform 300ms var(--ease-standard); will-change: transform; }
.tilt-card { transform-style: preserve-3d; transition: transform 300ms var(--ease-standard); will-change: transform; }

/* ---------- Animated counters ---------- */
.hero-stat .num, .stat-num { font-variant-numeric: tabular-nums; }

/* ---------- Process timeline ---------- */
.timeline { position: relative; }
.timeline::before {
  content: ''; position: absolute; left: 19px; top: 8px; bottom: 8px; width: 2px;
  background: linear-gradient(180deg, var(--color-accent), transparent);
  opacity: 0.35;
}
.timeline .step { padding-bottom: var(--space-5); }
.timeline .step:last-child { padding-bottom: 0; }
.timeline .step::before { background: var(--color-card); border-color: var(--color-accent); color: var(--color-accent); z-index: 1; }

/* ---------- FAQ accordion ---------- */
.faq-item { border-bottom: 1px solid var(--color-border-soft); }
.faq-item:first-child { border-top: 1px solid var(--color-border-soft); }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: var(--space-2);
  background: transparent; border: none; color: var(--color-foreground);
  padding: var(--space-3) 4px; text-align: left; font-size: 1.0625rem; font-weight: 600;
  font-family: var(--font-sans);
}
.faq-q .chev { flex-shrink: 0; color: var(--color-accent); transition: transform 250ms var(--ease-standard); }
.faq-item[data-open="true"] .faq-q .chev { transform: rotate(180deg); }
.faq-a {
  max-height: 0; overflow: hidden; transition: max-height 300ms var(--ease-standard);
}
.faq-item[data-open="true"] .faq-a { max-height: 240px; }
.faq-a p { padding: 0 4px var(--space-3); color: var(--color-muted-foreground); max-width: 68ch; }
@media (prefers-reduced-motion: reduce) { .faq-a { transition: none; } }

/* ---------- Brand marquee ---------- */
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; width: max-content; gap: var(--space-6); animation: marquee-scroll 28s linear infinite; }
.marquee-track span { font-family: var(--font-heading); font-size: 1.5rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--color-muted-foreground); white-space: nowrap; }
@keyframes marquee-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.marquee:hover .marquee-track { animation-play-state: paused; }
@media (prefers-reduced-motion: reduce) { .marquee-track { animation: none; } .marquee { overflow-x: auto; } }

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed; right: var(--space-2); bottom: 82px; z-index: 59;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--color-card); border: 1px solid var(--color-border-soft); color: var(--color-foreground);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: translateY(8px); pointer-events: none;
  transition: opacity 200ms, transform 200ms;
}
.back-to-top.show { opacity: 1; transform: translateY(0); pointer-events: auto; }

/* ---------- 404 page ---------- */
.error-page { min-height: 60vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.error-page .code { font-family: var(--font-heading); font-size: clamp(4rem, 12vw, 8rem); color: var(--color-accent); line-height: 1; }