/* ============================================================
   DAVINCCI COMPANY — Material Design 3 Design System
   "Si Da Vinci estuviera vivo, sería un gran programador."
   ============================================================ */

/* ---------- CSS Custom Properties (MD3 Tokens) ---------- */
:root {
  /* Primary */
  --md-primary: #1a1a2e;
  --md-on-primary: #ffffff;
  --md-primary-container: #e8def8;
  --md-on-primary-container: #1d192b;

  /* Secondary */
  --md-secondary: #6750a4;
  --md-on-secondary: #ffffff;
  --md-secondary-container: #e8def8;

  /* Tertiary */
  --md-tertiary: #7d5260;
  --md-on-tertiary: #ffffff;

  /* Surface */
  --md-surface: #fffbfe;
  --md-surface-variant: #e7e0ec;
  --md-on-surface: #1c1b1f;
  --md-on-surface-variant: #49454f;
  --md-surface-container-low: #f7f2fa;
  --md-surface-container: #f3edf7;
  --md-surface-container-high: #ece6f0;
  --md-surface-dim: #ded8e1;

  /* Outline */
  --md-outline: #79747e;
  --md-outline-variant: #cac4d0;

  /* Error */
  --md-error: #b3261e;

  /* Elevation */
  --md-elevation-1: 0 1px 2px rgba(0,0,0,.3), 0 1px 3px 1px rgba(0,0,0,.15);
  --md-elevation-2: 0 1px 2px rgba(0,0,0,.3), 0 2px 6px 2px rgba(0,0,0,.15);
  --md-elevation-3: 0 4px 8px 3px rgba(0,0,0,.15), 0 1px 3px rgba(0,0,0,.3);

  /* Shape */
  --md-shape-xs: 4px;
  --md-shape-sm: 8px;
  --md-shape-md: 12px;
  --md-shape-lg: 16px;
  --md-shape-xl: 28px;

  /* Motion */
  --md-motion-duration-short: 200ms;
  --md-motion-duration-medium: 400ms;
  --md-motion-easing-standard: cubic-bezier(0.2, 0, 0, 1);
  --md-motion-easing-emphasized: cubic-bezier(0.2, 0, 0, 1);

  /* Typography scale */
  --md-display-large: 700 3.5625rem/1.12 'Roboto', sans-serif;
  --md-display-medium: 700 2.8125rem/1.16 'Roboto', sans-serif;
  --md-display-small: 500 2.25rem/1.22 'Roboto', sans-serif;
  --md-headline-large: 500 2rem/1.25 'Roboto', sans-serif;
  --md-headline-medium: 500 1.75rem/1.29 'Roboto', sans-serif;
  --md-headline-small: 500 1.5rem/1.33 'Roboto', sans-serif;
  --md-title-large: 500 1.375rem/1.27 'Roboto', sans-serif;
  --md-title-medium: 500 1rem/1.5 'Roboto', sans-serif;
  --md-body-large: 400 1rem/1.5 'Roboto', sans-serif;
  --md-body-medium: 400 .875rem/1.43 'Roboto', sans-serif;
  --md-label-large: 500 .875rem/1.43 'Roboto', sans-serif;

  /* Accent gradient */
  --davincci-gradient: linear-gradient(135deg, #6750a4 0%, #1a1a2e 100%);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font: var(--md-body-large);
  color: var(--md-on-surface);
  background: var(--md-surface);
}

a { color: var(--md-secondary); text-decoration: none; transition: color var(--md-motion-duration-short) var(--md-motion-easing-standard); }
a:hover { color: var(--md-primary); }

img { display: block; max-width: 100%; height: auto; }

ul { list-style: none; }

/* ---------- Layout Helpers ---------- */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

.section { padding: 5rem 0; }
.section--alt { background: var(--md-surface-container-low); }

.grid { display: grid; gap: 1.5rem; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- Top-App-Bar (MD3) ---------- */
.top-app-bar {
  position: fixed; top: 0; left: 0; width: 100%;
  height: 64px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 1.5rem;
  background: rgba(255,251,254,.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  box-shadow: var(--md-elevation-1);
  transition: background var(--md-motion-duration-medium) var(--md-motion-easing-standard), transform 0.3s ease;
}

/* hide/show header and announcement bar when scrolling */
.announce-bar,
.top-app-bar {
  transition: transform 0.3s ease;
}

.top-app-bar.hide,
.announce-bar.hide {
  transform: translateY(-100%);
}

.top-app-bar__brand { display: flex; align-items: center; gap: .75rem; }
.top-app-bar__brand img { height: 42px; border-radius: var(--md-shape-xs); }
.top-app-bar__brand span { font: var(--md-title-medium); font-weight: 700; color: var(--md-on-surface); letter-spacing: -.02em; }

.top-app-bar__nav { display: flex; align-items: center; gap: .25rem; }
.top-app-bar__nav a {
  font: var(--md-label-large);
  color: var(--md-on-surface-variant);
  padding: .5rem 1rem;
  border-radius: var(--md-shape-xl);
  transition: all var(--md-motion-duration-short) var(--md-motion-easing-standard);
}
.top-app-bar__nav a:hover,
.top-app-bar__nav a.active { background: var(--md-secondary-container); color: var(--md-on-primary-container); }

.top-app-bar__toggle {
  display: none;
  background: none; border: none; cursor: pointer; padding: .5rem; color: var(--md-on-surface);
}
.top-app-bar__toggle svg { width: 24px; height: 24px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  text-align: center;
  padding: 6rem 1.5rem 4rem;
  overflow: hidden;
  background: var(--davincci-gradient);
  color: #fff;
}

.hero::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 70%, rgba(103,80,164,.4) 0%, transparent 60%);
  pointer-events: none;
}

.hero__content { position: relative; z-index: 1; max-width: 800px; }
.hero__eyebrow { font: var(--md-label-large); text-transform: uppercase; letter-spacing: .12em; opacity: .8; margin-bottom: 1rem; }
.hero__title { font: var(--md-display-large); margin-bottom: 1.5rem; }
.hero__subtitle { font: var(--md-headline-small); font-weight: 400; opacity: .85; margin-bottom: 2.5rem; line-height: 1.5; }

/* Sub-page hero (shorter) */
.hero--sub { min-height: 60vh; }

/* ---------- Buttons (MD3 Filled & Outlined) ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  font: var(--md-label-large);
  padding: .625rem 1.5rem;
  border-radius: var(--md-shape-xl);
  border: none; cursor: pointer;
  transition: all var(--md-motion-duration-short) var(--md-motion-easing-standard);
}
.btn--filled { background: var(--md-secondary); color: var(--md-on-secondary); }
.btn--filled:hover { box-shadow: var(--md-elevation-2); filter: brightness(1.08); }
.btn--outlined { background: transparent; color: var(--md-secondary); border: 1px solid var(--md-outline); }
.btn--outlined:hover { background: var(--md-secondary-container); }
.btn--tonal { background: var(--md-secondary-container); color: var(--md-on-primary-container); }
.btn--tonal:hover { box-shadow: var(--md-elevation-1); }
.btn--on-dark { background: rgba(255,255,255,.15); color: #fff; backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,.25); }
.btn--on-dark:hover { background: rgba(255,255,255,.25); }

/* ---------- MD3 Cards ---------- */
.card {
  background: var(--md-surface);
  border-radius: var(--md-shape-md);
  border: 1px solid var(--md-outline-variant);
  overflow: hidden;
  transition: box-shadow var(--md-motion-duration-short) var(--md-motion-easing-standard);
}
.card:hover { box-shadow: var(--md-elevation-2); }
.card__media { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.card__body { padding: 1.5rem; }
.card__title { font: var(--md-title-large); margin-bottom: .5rem; }
.card__text { font: var(--md-body-medium); color: var(--md-on-surface-variant); }

.card--elevated { border: none; box-shadow: var(--md-elevation-1); }
.card--elevated:hover { box-shadow: var(--md-elevation-3); }

.card--icon {
  text-align: center;
  padding: 2rem 1.5rem;
  border: 1px solid var(--md-outline-variant);
}
.card--icon .icon-circle {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--md-secondary-container);
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 1rem;
}
.card--icon .icon-circle svg { width: 24px; height: 24px; color: var(--md-secondary); }
.card--icon .card__title { font: var(--md-title-medium); font-weight: 600; }

/* ---------- Section Headers ---------- */
.section-header { text-align: center; margin-bottom: 3rem; }
.section-header__eyebrow { font: var(--md-label-large); color: var(--md-secondary); text-transform: uppercase; letter-spacing: .1em; margin-bottom: .5rem; }
.section-header__title { font: var(--md-display-small); color: var(--md-on-surface); }
.section-header__desc { font: var(--md-body-large); color: var(--md-on-surface-variant); max-width: 640px; margin: 1rem auto 0; }

/* ---------- Stats Row ---------- */
.stats { display: flex; justify-content: center; gap: 3rem; flex-wrap: wrap; }
.stat { text-align: center; }
.stat__number { font: var(--md-display-medium); color: var(--md-secondary); }
.stat__label { font: var(--md-body-medium); color: var(--md-on-surface-variant); margin-top: .25rem; }

/* ---------- Timeline ---------- */
.timeline { position: relative; max-width: 700px; margin: 0 auto; padding-left: 2rem; }
.timeline::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: var(--md-outline-variant); }
.timeline__item { position: relative; margin-bottom: 2rem; padding-left: 1.5rem; }
.timeline__item::before {
  content: '';
  position: absolute; left: -2rem; top: .35rem;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--md-secondary);
  border: 2px solid var(--md-surface);
  box-shadow: 0 0 0 3px var(--md-secondary-container);
}
.timeline__year { font: var(--md-label-large); color: var(--md-secondary); }
.timeline__text { font: var(--md-body-large); margin-top: .25rem; }

/* ---------- Gallery ---------- */
.gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; }
.gallery__item {
  border-radius: var(--md-shape-md);
  overflow: hidden;
  box-shadow: var(--md-elevation-1);
  transition: transform var(--md-motion-duration-medium) var(--md-motion-easing-emphasized),
              box-shadow var(--md-motion-duration-medium) var(--md-motion-easing-emphasized);
}
.gallery__item:hover { transform: translateY(-4px); box-shadow: var(--md-elevation-3); }
.gallery__item img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 1; }

/* ---------- Social chips ---------- */
.chip-group { display: flex; flex-wrap: wrap; gap: .75rem; justify-content: center; }
.chip {
  display: inline-flex; align-items: center; gap: .5rem;
  font: var(--md-label-large);
  padding: .5rem 1rem;
  border-radius: var(--md-shape-sm);
  border: 1px solid var(--md-outline-variant);
  color: var(--md-on-surface);
  transition: all var(--md-motion-duration-short) var(--md-motion-easing-standard);
}
.chip:hover { background: var(--md-secondary-container); color: var(--md-on-primary-container); border-color: transparent; }
.chip svg { width: 18px; height: 18px; }

/* ---------- CTA Banner ---------- */
.cta-banner {
  background: var(--davincci-gradient);
  color: #fff;
  text-align: center;
  padding: 4rem 1.5rem;
  border-radius: var(--md-shape-lg);
  margin: 0 1.5rem;
}
.cta-banner h2 { font: var(--md-headline-large); margin-bottom: 1rem; }
.cta-banner p { font: var(--md-body-large); opacity: .85; max-width: 540px; margin: 0 auto 2rem; }

/* ---------- Footer ---------- */
.footer {
  background: var(--md-primary);
  color: rgba(255,255,255,.7);
  padding: 3rem 1.5rem 2rem;
}
.footer__inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; }
.footer__brand { font: var(--md-body-large); }
.footer__brand strong { color: #fff; font-weight: 700; display: block; margin-bottom: .5rem; }
.footer h4 { color: #fff; font: var(--md-title-medium); margin-bottom: .75rem; }
.footer a { color: rgba(255,255,255,.7); }
.footer a:hover { color: #fff; }
.footer ul li { margin-bottom: .5rem; }
.footer__copy { max-width: 1200px; margin: 2rem auto 0; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.15); text-align: center; font: var(--md-body-medium); }

/* ---------- Contact info list ---------- */
.contact-list { list-style: none; max-width: 500px; margin: 0 auto; }
.contact-list li {
  display: flex; align-items: center; gap: .75rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--md-outline-variant);
  font: var(--md-body-large);
}
.contact-list li:last-child { border-bottom: none; }
.contact-list svg { width: 20px; height: 20px; flex-shrink: 0; color: var(--md-secondary); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr; }
  .hero__title { font-size: 2.5rem; }
  .stats { gap: 2rem; }
}

@media (max-width: 600px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }

  /* Mobile nav */
  .top-app-bar__toggle { display: flex; }
  .top-app-bar__nav {
    position: fixed; top: 64px; left: 0; right: 0;
    flex-direction: column; background: var(--md-surface); padding: 1rem;
    box-shadow: var(--md-elevation-2);
    transform: translateY(-120%);
    transition: transform var(--md-motion-duration-medium) var(--md-motion-easing-emphasized);
  }
  .top-app-bar__nav.open { transform: translateY(0); }
  .top-app-bar__nav a { width: 100%; padding: .75rem 1rem; border-radius: var(--md-shape-sm); }

  .hero { min-height: 90vh; padding: 5rem 1rem 3rem; }
  .hero--sub { min-height: 60vh; }
  .hero__title { font-size: 2rem; }
  .hero__subtitle { font-size: 1rem; }

  .section { padding: 3rem 0; }
  .section-header__title { font-size: 1.75rem; }

  .stat__number { font-size: 2rem; }

  .cta-banner { margin: 0; border-radius: 0; }
  .gallery { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 380px) {
  .gallery { grid-template-columns: 1fr; }
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s var(--md-motion-easing-emphasized),
              transform .6s var(--md-motion-easing-emphasized);
}
.animate-on-scroll.visible { opacity: 1; transform: translateY(0); }

/* ---------- Print ---------- */
@media print {
  .top-app-bar, .cta-banner, .footer { display: none; }
  body { background: #fff; color: #000; }
  .hero { min-height: auto; background: none; color: #000; padding: 2rem 0; }
}

/* ============================================================
   POLISH & ENGAGEMENT LAYER
   ============================================================ */

/* ---------- Announcement bar ---------- */
.announce-bar {
  background: var(--davincci-gradient);
  color: #fff;
  text-align: center;
  padding: .5rem 1rem;
  font: var(--md-label-large);
  letter-spacing: .03em;
  position: relative;
  z-index: 1100;
}
.announce-bar a { color: #fff; text-decoration: underline; }
.announce-bar a:hover { opacity: .8; }
body:has(.announce-bar) .top-app-bar { top: 36px; }
body:has(.announce-bar) .top-app-bar__nav { top: 100px; }
@media (max-width: 600px) {
  .announce-bar { font-size: .75rem; }
  body:has(.announce-bar) .top-app-bar { top: 40px; }
  body:has(.announce-bar) .top-app-bar__nav { top: 104px; }
}

/* ---------- Scroll progress bar ---------- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: var(--davincci-gradient);
  z-index: 2000;
  transition: width .1s linear;
}

/* ---------- Floating Action Button (WhatsApp / Contact) ---------- */
.fab {
  position: fixed;
  bottom: 1.5rem; right: 1.5rem;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,.45);
  z-index: 900;
  transition: transform var(--md-motion-duration-short) var(--md-motion-easing-emphasized),
              box-shadow var(--md-motion-duration-short) var(--md-motion-easing-emphasized);
}
.fab:hover { transform: scale(1.1); box-shadow: 0 6px 24px rgba(37,211,102,.6); color: #fff; }
.fab svg { width: 28px; height: 28px; }
.fab__label {
  position: absolute;
  right: 64px;
  background: #1c1b1f;
  color: #fff;
  font: var(--md-label-large);
  padding: .375rem .85rem;
  border-radius: var(--md-shape-xl);
  white-space: nowrap;
  opacity: 0; pointer-events: none;
  transition: opacity var(--md-motion-duration-short);
}
.fab:hover .fab__label { opacity: 1; }

/* ---------- Social sidebar (desktop) ---------- */
.social-sidebar {
  position: fixed;
  left: 1rem; top: 50%;
  transform: translateY(-50%);
  display: flex; flex-direction: column; gap: .5rem;
  z-index: 800;
}
.social-sidebar a {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--md-surface);
  border: 1px solid var(--md-outline-variant);
  display: flex; align-items: center; justify-content: center;
  color: var(--md-on-surface-variant);
  box-shadow: var(--md-elevation-1);
  transition: all var(--md-motion-duration-short) var(--md-motion-easing-standard);
}
.social-sidebar a:hover {
  background: var(--md-secondary);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--md-elevation-2);
  transform: translateX(4px);
}
.social-sidebar svg { width: 18px; height: 18px; }
@media (max-width: 900px) { .social-sidebar { display: none; } }

/* ---------- Badge / pill ---------- */
.badge {
  display: inline-block;
  font: var(--md-label-large);
  padding: .2rem .7rem;
  border-radius: var(--md-shape-xl);
  background: var(--md-secondary-container);
  color: var(--md-on-primary-container);
  font-size: .75rem;
  font-weight: 600;
  vertical-align: middle;
}
.badge--hot { background: #fce9e8; color: #b3261e; }
.badge--new { background: #e6f4ea; color: #1a6934; }
.badge--pop { background: #fff3e0; color: #e65100; }

/* ---------- Feature row (icon + text horizontal) ---------- */
.feature-row { display: flex; gap: 1.5rem; align-items: flex-start; padding: 1.5rem 0; border-bottom: 1px solid var(--md-outline-variant); }
.feature-row:last-child { border-bottom: none; }
.feature-row .icon-circle { flex-shrink: 0; }
.feature-row__body h3 { font: var(--md-title-medium); font-weight: 600; margin-bottom: .25rem; }
.feature-row__body p { font: var(--md-body-medium); color: var(--md-on-surface-variant); }

/* ---------- Hero shimmer / glow orb ---------- */
.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.hero__orb--1 { width: 400px; height: 400px; background: rgba(103,80,164,.35); top: -100px; right: -80px; }
.hero__orb--2 { width: 300px; height: 300px; background: rgba(255,255,255,.08); bottom: -60px; left: -40px; }

/* ---------- Trust strip ---------- */
.trust-strip {
  display: flex; justify-content: center; align-items: center; gap: 2.5rem; flex-wrap: wrap;
  padding: 1.5rem 1rem;
  border-bottom: 1px solid var(--md-outline-variant);
  font: var(--md-label-large);
  color: var(--md-on-surface-variant);
}
.trust-strip__item { display: flex; align-items: center; gap: .5rem; }
.trust-strip__item span.material-symbols-outlined { color: var(--md-secondary); font-size: 20px; }

/* ---------- Social follow section ---------- */
.social-follow {
  background: var(--md-primary);
  color: #fff;
  padding: 3rem 1.5rem;
  text-align: center;
}
.social-follow h2 { font: var(--md-headline-medium); margin-bottom: .5rem; }
.social-follow p { font: var(--md-body-large); opacity: .75; max-width: 500px; margin: 0 auto 2rem; }
.social-grid { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; max-width: 700px; margin: 0 auto; }
.social-card {
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--md-shape-md);
  padding: 1.25rem 1.75rem;
  color: #fff;
  font: var(--md-label-large);
  transition: all var(--md-motion-duration-short) var(--md-motion-easing-standard);
  min-width: 100px;
}
.social-card:hover { background: rgba(255,255,255,.2); transform: translateY(-3px); color: #fff; }
.social-card svg { width: 28px; height: 28px; }

/* ---------- Pricing-style service cards ---------- */
.pricing-card {
  background: var(--md-surface);
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-shape-lg);
  padding: 2rem;
  display: flex; flex-direction: column; gap: 1rem;
}
.pricing-card--featured {
  background: var(--davincci-gradient);
  color: #fff;
  border: none;
  box-shadow: var(--md-elevation-3);
}
.pricing-card--featured .card__text { color: rgba(255,255,255,.8); }
.pricing-card__label { font: var(--md-label-large); text-transform: uppercase; letter-spacing: .1em; opacity: .7; }
.pricing-card__price { font: 700 2rem/1 'Roboto', sans-serif; }
.pricing-card__price span { font-size: 1rem; font-weight: 400; opacity: .7; }
.pricing-card ul { list-style: none; display: flex; flex-direction: column; gap: .5rem; }
.pricing-card ul li { font: var(--md-body-medium); display: flex; align-items: center; gap: .5rem; }
.pricing-card ul li::before { content: '✓'; color: var(--md-secondary); font-weight: 700; flex-shrink: 0; }
.pricing-card--featured ul li::before { color: rgba(255,255,255,.9); }

/* ---------- Testimonial card ---------- */
.testimonial {
  background: var(--md-surface);
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-shape-lg);
  padding: 1.75rem;
}
.testimonial__stars { color: #f59e0b; margin-bottom: .75rem; font-size: 1.1rem; letter-spacing: .1em; }
.testimonial__text { font: var(--md-body-large); line-height: 1.6; font-style: italic; color: var(--md-on-surface-variant); }
.testimonial__author { margin-top: 1rem; font: var(--md-label-large); color: var(--md-secondary); }

/* ---------- Section divider wave ---------- */
.wave-divider { display: block; width: 100%; overflow: hidden; line-height: 0; }
.wave-divider svg { display: block; width: 100%; height: 60px; }

/* ---------- Focus / accessibility ring ---------- */
:focus-visible {
  outline: 3px solid var(--md-secondary);
  outline-offset: 2px;
  border-radius: var(--md-shape-xs);
}

/* ---------- Selection color ---------- */
::selection { background: var(--md-secondary-container); color: var(--md-on-primary-container); }

/* ---------- Responsive additions ---------- */
@media (max-width: 600px) {
  .fab { bottom: 1rem; right: 1rem; }
  .social-card { padding: 1rem 1.25rem; min-width: 80px; }
  .trust-strip { gap: 1rem; font-size: .75rem; }
}