/* =========================================================================
   TrueSupport — Design System
   A single, modern, dependency-free stylesheet replacing the legacy
   Bootstrap 3 / jQuery-plugin visual layer.
   ========================================================================= */

/* ---------- Design tokens ---------- */
:root {
  /* Brand */
  --navy-950: #0a0f1e;
  --navy-900: #0e1526;
  --navy-800: #131c33;
  --navy-700: #1b2740;
  --blue-700: #0d47c9;
  --blue-600: #1656d6;
  --blue-500: #2f6fee;
  --blue-400: #5b8bf5;
  --blue-100: #e7eefd;
  --blue-50:  #f2f6fe;
  --green-600: #0f9d58;
  --green-500: #17a866;
  --green-100: #e3f7ec;

  /* Neutrals */
  --ink: #111827;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-400: #94a3b8;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50:  #f8fafc;
  --white: #ffffff;

  /* Semantic */
  --bg: var(--white);
  --bg-alt: var(--slate-50);
  --text: var(--ink);
  --text-muted: var(--slate-600);
  --border: var(--slate-200);
  --accent: var(--blue-600);
  --accent-dark: var(--blue-700);
  --accent-2: var(--green-500);

  /* Type */
  --font-heading: 'Sora', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  /* Spacing scale */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-7: 3rem;
  --sp-8: 4rem;
  --sp-9: 6rem;
  --sp-10: 8rem;

  /* Shape / motion */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 999px;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.08);
  --shadow-md: 0 4px 12px rgba(16, 24, 40, 0.08), 0 2px 4px rgba(16, 24, 40, 0.06);
  --shadow-lg: 0 20px 40px -12px rgba(16, 24, 40, 0.18);
  --shadow-glow: 0 8px 30px rgba(22, 86, 214, 0.25);
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --container: 1220px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--navy-900);
  line-height: 1.2;
  margin: 0 0 var(--sp-4);
  font-weight: 700;
  letter-spacing: -0.01em;
}
p { margin: 0 0 var(--sp-4); color: var(--text-muted); }
p:last-child { margin-bottom: 0; }

::selection { background: var(--blue-600); color: #fff; }

/* ---------- Layout ---------- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--sp-5); }
.section { padding: var(--sp-9) 0; }
.section-sm { padding: var(--sp-7) 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: linear-gradient(160deg, var(--navy-950), var(--navy-800)); color: var(--slate-300, #cbd5e1); }
.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4 { color: #fff; }
.section-dark p { color: #aab4c6; }

.grid { display: grid; gap: var(--sp-6); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--sp-3);
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--accent-2); border-radius: 2px; }

.section-head { max-width: 640px; margin: 0 0 var(--sp-7); }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(1.7rem, 2.6vw, 2.4rem); }
.section-head p { font-size: 1.05rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0.9rem 1.7rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: var(--shadow-glow); }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(22,86,214,0.32); }
.btn-outline { background: transparent; color: var(--navy-900); border-color: var(--border); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.btn-ghost-light { background: rgba(255,255,255,0.08); color: #fff; border-color: rgba(255,255,255,0.35); backdrop-filter: blur(6px); }
.btn-ghost-light:hover { background: #fff; color: var(--navy-900); }
.btn-sm { padding: 0.6rem 1.2rem; font-size: 0.85rem; }
.btn-block { width: 100%; }

/* ---------- Top utility bar ---------- */
.topbar {
  background: var(--navy-950);
  color: #c7cedd;
  font-size: 0.85rem;
}
.topbar .container { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4); padding-top: 10px; padding-bottom: 10px; }
.topbar-contact { display: flex; gap: var(--sp-6); flex-wrap: wrap; }
.topbar-contact a { display: inline-flex; align-items: center; gap: 8px; color: #c7cedd; transition: color 0.2s var(--ease); }
.topbar-contact a:hover { color: #fff; }
.topbar-contact i { color: var(--green-500); }
.topbar-links { display: flex; gap: var(--sp-5); }
.topbar-links a:hover { color: var(--blue-400); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s var(--ease);
}
.site-header.is-scrolled { box-shadow: var(--shadow-md); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; gap: var(--sp-5); }
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 34px; width: auto; }

.nav-links { display: flex; align-items: center; gap: var(--sp-6); }
.nav-links > li { position: relative; }
.nav-links > li > a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 2px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--navy-800);
  border-bottom: 2px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.nav-links > li > a:hover,
.nav-links > li.active > a { color: var(--accent); border-color: var(--accent); }
.nav-links .chevron { font-size: 0.6rem; transition: transform 0.2s var(--ease); }
.nav-links li:hover .chevron { transform: rotate(180deg); }

.dropdown-panel {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translate(-50%, 8px);
  min-width: 220px;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  padding: 10px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease), visibility 0.2s;
}
.nav-links li:hover .dropdown-panel { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.dropdown-panel a { display: block; padding: 10px 12px; border-radius: var(--radius-sm); font-size: 0.9rem; color: var(--slate-700); font-weight: 500; }
.dropdown-panel a:hover { background: var(--blue-50); color: var(--accent); }

.nav-cta { display: flex; align-items: center; gap: var(--sp-4); }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--navy-900); border-radius: 2px; transition: transform 0.25s var(--ease), opacity 0.25s var(--ease); }

@media (max-width: 960px) {
  .nav-links { position: fixed; inset: 0 0 0 30%; top: 0; height: 100vh; background: #fff; flex-direction: column; align-items: flex-start; padding: 90px var(--sp-6) var(--sp-6); box-shadow: var(--shadow-lg); transform: translateX(105%); transition: transform 0.35s var(--ease); overflow-y: auto; }
  .nav-links.is-open { transform: translateX(0); }
  .nav-links > li { width: 100%; }
  .dropdown-panel { position: static; transform: none; opacity: 1; visibility: visible; max-height: 0; overflow: hidden; box-shadow: none; border: none; padding: 0; transition: max-height 0.25s var(--ease); }
  .nav-links li.dropdown-open .dropdown-panel { max-height: 320px; padding: 6px 0 6px 10px; }
  .nav-toggle { display: flex; }
  .nav-cta .btn span.label { display: none; }
}
.nav-scrim { position: fixed; inset: 0; background: rgba(10,15,30,0.5); opacity: 0; visibility: hidden; transition: opacity 0.3s var(--ease); z-index: 90; }
.nav-scrim.is-visible { opacity: 1; visibility: visible; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; background: var(--navy-950); color: #fff; }
.hero-slides { position: relative; height: min(720px, 92vh); min-height: 560px; }
.hero-slide {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0; visibility: hidden;
  transition: opacity 1s var(--ease);
  display: flex; align-items: center;
}
.hero-slide.is-active { opacity: 1; visibility: visible; }
.hero-slide::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(9,13,26,0.92) 15%, rgba(9,13,26,0.72) 45%, rgba(13,71,201,0.55) 100%);
}
.hero-slide-content { position: relative; z-index: 2; max-width: 620px; }
.hero-slide-content h2 { color: #fff; font-size: clamp(2rem, 4vw, 3.1rem); margin-bottom: var(--sp-5); }
.hero-slide-content p { color: #cdd5e6; font-size: 1.1rem; max-width: 520px; }
.hero-actions { display: flex; gap: var(--sp-4); margin-top: var(--sp-6); flex-wrap: wrap; }

.hero-dots { position: absolute; z-index: 3; left: 50%; bottom: 28px; transform: translateX(-50%); display: flex; gap: 10px; }
.hero-dots button { width: 10px; height: 10px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.6); background: transparent; padding: 0; transition: background 0.25s var(--ease), width 0.25s var(--ease); }
.hero-dots button.is-active { background: var(--accent-2); width: 26px; border-radius: 6px; border-color: var(--accent-2); }
.hero-arrow { position: absolute; z-index: 3; top: 50%; transform: translateY(-50%); width: 46px; height: 46px; border-radius: 50%; background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.25); color: #fff; display: flex; align-items: center; justify-content: center; backdrop-filter: blur(6px); transition: background 0.2s var(--ease); }
.hero-arrow:hover { background: rgba(255,255,255,0.25); }
.hero-arrow.prev { left: 24px; } .hero-arrow.next { right: 24px; }
@media (max-width: 700px) { .hero-arrow { display: none; } }

/* Simple inner page header (no slider) */
.page-hero { position: relative; padding: var(--sp-9) 0 var(--sp-8); background: linear-gradient(160deg, var(--navy-950), var(--navy-800)); color: #fff; text-align: center; overflow: hidden; }
.page-hero::after { content: ""; position: absolute; inset: 0; background: radial-gradient(600px 300px at 80% 0%, rgba(22,86,214,0.35), transparent 60%); }
.page-hero .container { position: relative; }
.page-hero h1 { color: #fff; font-size: clamp(2rem, 3.6vw, 2.8rem); margin-bottom: var(--sp-3); }
.breadcrumb { display: inline-flex; gap: 8px; color: #aab4c6; font-size: 0.9rem; }
.breadcrumb a { color: #cdd5e6; } .breadcrumb a:hover { color: var(--blue-400); }

/* ---------- Cards ---------- */
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }

.icon-tile { width: 58px; height: 58px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; background: var(--blue-50); color: var(--accent); font-size: 1.4rem; margin-bottom: var(--sp-5); transition: background 0.3s var(--ease), color 0.3s var(--ease); }
.card:hover .icon-tile { background: var(--accent); color: #fff; }

.service-card h3 { font-size: 1.15rem; margin-bottom: var(--sp-2); }
.service-card .tag { display: block; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent-2); margin-bottom: var(--sp-2); }

/* ---------- Stat / feature strip ---------- */
.stat-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-6); text-align: center; }
.stat-strip .stat h3 { font-size: 2.2rem; color: var(--accent); margin-bottom: 4px; }
.stat-strip .stat p { margin: 0; font-size: 0.88rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--slate-500); }
@media (max-width: 720px) { .stat-strip { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Accordion ---------- */
.accordion-item { border: 1px solid var(--border); border-radius: var(--radius-md); margin-bottom: var(--sp-3); overflow: hidden; background: #fff; }
.accordion-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: 1.1rem 1.4rem;
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--navy-900);
}
.accordion-item summary::-webkit-details-marker { display: none; }
.accordion-item summary::after {
  content: "+";
  flex: none;
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; color: var(--accent);
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease);
}
.accordion-item[open] summary::after { transform: rotate(45deg); background: var(--accent); color: #fff; border-color: var(--accent); }
.accordion-item .accordion-body { padding: 0 1.4rem 1.3rem; }
.accordion-item[open] summary { border-bottom: 1px solid var(--border); }

/* ---------- Portfolio / gallery ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: var(--sp-7); }
.filter-bar button {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-full);
  padding: 0.55rem 1.3rem; font-family: var(--font-heading); font-weight: 600; font-size: 0.85rem; color: var(--slate-600);
  transition: all 0.2s var(--ease);
}
.filter-bar button:hover { border-color: var(--accent); color: var(--accent); }
.filter-bar button.is-active { background: var(--accent); border-color: var(--accent); color: #fff; }

.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-5); }
@media (max-width: 900px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .gallery-grid { grid-template-columns: 1fr; } }
.gallery-item { position: relative; border-radius: var(--radius-md); overflow: hidden; aspect-ratio: 4/3.1; background: var(--slate-100); transition: opacity 0.3s var(--ease), transform 0.3s var(--ease); }
.gallery-item.is-hidden { display: none; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s var(--ease); }
.gallery-item:hover img { transform: scale(1.08); }
.gallery-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,15,30,0) 40%, rgba(10,15,30,0.85) 100%);
  display: flex; align-items: flex-end; padding: var(--sp-4);
  opacity: 0; transition: opacity 0.3s var(--ease);
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay .zoom-btn { margin-left: auto; width: 42px; height: 42px; border-radius: 50%; background: #fff; color: var(--navy-900); display: flex; align-items: center; justify-content: center; }

/* Lightbox */
.lightbox { position: fixed; inset: 0; background: rgba(9,13,26,0.92); display: flex; align-items: center; justify-content: center; z-index: 1000; opacity: 0; visibility: hidden; transition: opacity 0.25s var(--ease); padding: var(--sp-6); }
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox img { max-width: min(900px, 92vw); max-height: 85vh; border-radius: var(--radius-md); box-shadow: var(--shadow-lg); }
.lightbox-close { position: absolute; top: 24px; right: 28px; width: 44px; height: 44px; border-radius: 50%; background: rgba(255,255,255,0.1); color: #fff; border: 1px solid rgba(255,255,255,0.3); font-size: 1.2rem; }

/* ---------- Team ---------- */
.team-card { text-align: center; }
.team-photo { border-radius: var(--radius-lg); overflow: hidden; margin-bottom: var(--sp-5); aspect-ratio: 1/1; background: var(--slate-100); }
.team-photo img { width: 100%; height: 100%; object-fit: cover; }
.team-card h3 { margin-bottom: 2px; font-size: 1.1rem; }
.team-card .role { color: var(--accent); font-weight: 600; font-size: 0.88rem; margin-bottom: var(--sp-3); }
.social-row { display: flex; gap: 10px; justify-content: center; }
.social-row a { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; color: var(--slate-500); transition: all 0.2s var(--ease); }
.social-row a:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ---------- Forms ---------- */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-5); }
@media (max-width: 620px) { .form-row { grid-template-columns: 1fr; } }
.field { margin-bottom: var(--sp-5); }
.field label { display: block; font-family: var(--font-heading); font-size: 0.85rem; font-weight: 600; margin-bottom: 8px; color: var(--navy-800); }
.field input, .field textarea, .field select {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--slate-50);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--accent); background: #fff; box-shadow: 0 0 0 4px var(--blue-100); }
.field input::placeholder, .field textarea::placeholder { color: var(--slate-400); }
.form-note { font-size: 0.8rem; color: var(--slate-500); margin-top: var(--sp-3); }
.form-success, .form-error { display: none; padding: 0.9rem 1.1rem; border-radius: var(--radius-sm); font-size: 0.9rem; margin-bottom: var(--sp-4); }
.form-success { background: var(--green-100); color: var(--green-600); }

/* Contact info cards */
.contact-info-list { display: flex; flex-direction: column; gap: var(--sp-5); }
.contact-info-item { display: flex; gap: var(--sp-4); align-items: flex-start; }
.contact-info-item .icon-tile { margin-bottom: 0; flex: none; width: 50px; height: 50px; font-size: 1.15rem; }
.contact-info-item h4 { font-size: 1rem; margin-bottom: 2px; }
.contact-info-item p { margin: 0; font-size: 0.92rem; }

/* ---------- Map ---------- */
.map-frame { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); }
.map-frame iframe { width: 100%; height: 380px; border: 0; display: block; }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(120deg, var(--navy-950), var(--blue-700)); border-radius: var(--radius-lg); padding: var(--sp-8); display: flex; align-items: center; justify-content: space-between; gap: var(--sp-6); flex-wrap: wrap; color: #fff; }
.cta-band h2 { color: #fff; margin-bottom: var(--sp-2); font-size: clamp(1.4rem, 2.4vw, 2rem); }
.cta-band p { color: #cdd5e6; margin: 0; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-950); color: #aab4c6; }
.footer-top { padding: var(--sp-9) 0 var(--sp-7); display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: var(--sp-7); }
@media (max-width: 900px) { .footer-top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-top { grid-template-columns: 1fr; } }
.footer-brand .wordmark { display: inline-flex; align-items: baseline; gap: 2px; font-family: var(--font-heading); font-weight: 800; font-size: 1.4rem; color: #fff; margin-bottom: var(--sp-4); }
.footer-brand .wordmark .check { color: var(--green-500); }
.footer-col h5 { color: #fff; font-size: 0.9rem; letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: var(--sp-4); }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: #aab4c6; font-size: 0.92rem; transition: color 0.2s var(--ease); }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: var(--sp-5) 0; display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4); flex-wrap: wrap; font-size: 0.85rem; }
.footer-bottom a:hover { color: #fff; }
.footer-social { display: flex; gap: 10px; }
.footer-social a { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.06); display: flex; align-items: center; justify-content: center; transition: background 0.2s var(--ease), color 0.2s var(--ease); }
.footer-social a:hover { background: var(--accent); color: #fff; }

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed; right: 24px; bottom: 24px; z-index: 80;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--accent); color: #fff; border: none;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s;
}
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }

/* ---------- Reveal-on-scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ---------- Misc utilities ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.badge { display: inline-flex; align-items: center; gap: 6px; background: var(--green-100); color: var(--green-600); font-size: 0.78rem; font-weight: 700; padding: 6px 12px; border-radius: var(--radius-full); text-transform: uppercase; letter-spacing: 0.04em; }
.divider-dots { display: flex; gap: 6px; margin: var(--sp-3) 0 var(--sp-5); }
.divider-dots span { width: 6px; height: 6px; border-radius: 50%; background: var(--slate-300, #cbd5e1); }
.divider-dots span:first-child { background: var(--accent-2); width: 22px; border-radius: 3px; }

/* Skip link for accessibility */
.skip-link { position: absolute; left: -999px; top: 0; background: var(--accent); color: #fff; padding: 12px 18px; border-radius: 0 0 8px 0; z-index: 200; }
.skip-link:focus { left: 0; }