/* ==========================================================================
   OmniQ Soft — Design tokens (dark, technical, commercial)
   ========================================================================== */
:root {
  --navy-950: #060b18;
  --navy-900: #0a1226;
  --navy-800: #0d1730;
  --navy-700: #122043;
  --surface: #101b38;
  --surface-2: #142446;

  --border: rgba(148, 172, 219, 0.14);
  --border-strong: rgba(148, 172, 219, 0.28);

  --blue-600: #2c5aa0;
  --blue-500: #3f7dc2;
  --blue-400: #5b93d6;
  --cyan-400: #5cc0de;
  --cyan-300: #8fe0f2;
  --orange-500: #e8863c;
  --orange-600: #d9722a;
  --orange-glow: rgba(232, 134, 60, 0.45);

  --status-done: #34d399;
  --status-progress: #eab308;
  --status-delayed: #ef4444;
  --status-planned: #64748b;

  --text-primary: #eef2fb;
  --text-secondary: #a9b6d6;
  --text-muted: #7684a6;

  --brand-gradient: linear-gradient(90deg, var(--blue-500), var(--cyan-400));
  --hero-gradient: radial-gradient(120% 140% at 15% 0%, #132a52 0%, var(--navy-900) 45%, var(--navy-950) 100%);

  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-head: 'Space Grotesk', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Menlo, Consolas, monospace;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;

  --shadow-sm: 0 2px 10px rgba(2, 6, 16, 0.4);
  --shadow-md: 0 16px 40px rgba(2, 6, 16, 0.45);
  --shadow-lg: 0 30px 70px rgba(2, 6, 16, 0.55);

}

/* ==========================================================================
   Reset
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body, h1, h2, h3, p, figure, ul, ol, dl, dd { margin: 0; }
ul, ol, dl { padding: 0; list-style: none; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font: inherit; }

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--navy-950);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

h1, h2, h3 { font-family: var(--font-head); font-weight: 600; line-height: 1.15; color: var(--text-primary); letter-spacing: -0.01em; }

.container {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: 24px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--orange-500);
  color: var(--navy-950);
  padding: 10px 16px;
  z-index: 999;
  border-radius: 0 0 8px 0;
  font-weight: 700;
}
.skip-link:focus { left: 0; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ==========================================================================
   Scroll progress bar
   ========================================================================== */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2.5px;
  width: 0%;
  background: linear-gradient(90deg, var(--orange-500), var(--cyan-400));
  z-index: 1000;
  transition: width 0.1s linear;
}

/* ==========================================================================
   Cursor glow (page-wide)
   ========================================================================== */
.cursor-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 30;
  mix-blend-mode: screen;
  background: radial-gradient(560px circle at var(--gx, 50%) var(--gy, 30%), rgba(92, 192, 222, 0.10), transparent 62%);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.94rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.btn svg { transition: transform 0.15s ease; }
.btn-primary {
  background: var(--orange-500);
  color: #170c04;
  box-shadow: 0 0 0 1px rgba(232, 134, 60, 0.5), 0 10px 30px var(--orange-glow);
}
.btn-primary:hover { background: #ffa159; transform: translateY(-2px); box-shadow: 0 0 0 1px rgba(255, 161, 89, 0.7), 0 14px 34px var(--orange-glow); }
.btn-primary:hover svg { transform: translateX(3px); }

.btn-outline {
  background: rgba(255,255,255,0.02);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
}
.btn-outline:hover { border-color: var(--cyan-400); color: var(--cyan-300); transform: translateY(-2px); background: rgba(92, 192, 222, 0.06); }

.btn-sm { padding: 9px 16px; font-size: 0.82rem; }
.btn-block { width: 100%; }

/* ==========================================================================
   App shell / Sidebar navigation
   ========================================================================== */
:root {
  --sidebar-w: 250px;
  --sidebar-w-collapsed: 78px;
  --mobile-topbar-h: 64px;
}

.app-shell { display: flex; align-items: stretch; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w-collapsed);
  flex-shrink: 0;
  position: sticky;
  top: 0;
  align-self: flex-start;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: rgba(8, 14, 29, 0.92);
  backdrop-filter: blur(14px);
  border-right: 1px solid var(--border);
  z-index: 110;
  transition: width 0.22s ease;
}
.sidebar:hover,
.sidebar:focus-within {
  width: var(--sidebar-w);
}

.sidebar-header {
  display: flex;
  align-items: center;
  padding: 20px 16px;
  border-bottom: 1px solid var(--border);
  min-height: var(--mobile-topbar-h);
}
.sidebar-brand { display: flex; align-items: center; gap: 10px; overflow: hidden; min-width: 0; }
.brand-mark { border-radius: 8px; flex-shrink: 0; }
.brand-word { font-family: var(--font-head); font-weight: 700; font-size: 1.15rem; white-space: nowrap; }
.brand-omni { background: var(--brand-gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.brand-q { color: var(--orange-500); -webkit-text-fill-color: var(--orange-500); }
.brand-soft { color: var(--orange-500); }

.sidebar-brand .brand-word { opacity: 0; width: 0; overflow: hidden; transition: opacity 0.15s ease; }
.sidebar:hover .sidebar-brand .brand-word,
.sidebar:focus-within .sidebar-brand .brand-word {
  opacity: 1;
  width: auto;
}

.sidebar-nav {
  position: relative;
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.sidebar-nav a {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 13px;
  padding: 11px 0;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  transition: background 0.15s ease, color 0.15s ease;
}
.sidebar-nav a svg { flex-shrink: 0; }
.sidebar-nav a span { opacity: 0; width: 0; overflow: hidden; transition: opacity 0.15s ease; }
.sidebar-nav a:hover { background: rgba(255,255,255,0.04); color: var(--text-primary); }
.sidebar-nav a.is-active { background: rgba(92, 192, 222, 0.1); color: var(--cyan-300); }
.sidebar-nav a.is-active::before {
  content: "";
  position: absolute;
  left: -12px; top: 8px; bottom: 8px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--orange-500);
}
.sidebar:hover .sidebar-nav a,
.sidebar:focus-within .sidebar-nav a {
  justify-content: flex-start;
  padding: 11px 13px;
}
.sidebar:hover .sidebar-nav a span,
.sidebar:focus-within .sidebar-nav a span {
  opacity: 1;
  width: auto;
}

.sidebar-footer { padding: 14px 12px 18px; border-top: 1px solid var(--border); }
.sidebar-footer .btn { padding-inline: 0; }
.sidebar-footer .btn span { opacity: 0; width: 0; overflow: hidden; transition: opacity 0.15s ease; }
.sidebar:hover .sidebar-footer .btn,
.sidebar:focus-within .sidebar-footer .btn {
  padding-inline: 24px;
}
.sidebar:hover .sidebar-footer .btn span,
.sidebar:focus-within .sidebar-footer .btn span {
  opacity: 1;
  width: auto;
}

.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(2, 5, 12, 0.6);
  backdrop-filter: blur(2px);
  z-index: 105;
}

.content-area { flex: 1; min-width: 0; }

.mobile-topbar {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  height: var(--mobile-topbar-h);
  padding-inline: 20px;
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 11, 24, 0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.mobile-topbar .brand { display: flex; align-items: center; gap: 8px; min-width: 0; }
.mobile-topbar .brand .brand-word { font-size: 1.05rem; }
.mobile-topbar .btn-sm { flex-shrink: 0; }

.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px; height: 34px;
  flex-shrink: 0;
}
.mobile-menu-btn span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--hero-gradient);
  padding-block: 44px 56px;
}

.hero-bg { position: absolute; inset: 0; overflow: hidden; }
.hero-grid { position: absolute; inset: 0; opacity: 0.6; mask-image: linear-gradient(180deg, black, transparent 85%); }

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.32;
  mix-blend-mode: screen;
}
.blob-a {
  width: 460px; height: 460px;
  background: var(--cyan-400);
  top: -180px; right: -100px;
}
.blob-b {
  width: 340px; height: 340px;
  background: var(--orange-500);
  bottom: -160px; left: -80px;
  opacity: 0.22;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cyan-300);
  margin-bottom: 18px;
}
.eyebrow-bracket { color: var(--orange-500); font-weight: 700; }
.section .eyebrow { color: var(--blue-400); }

.hero-copy h1 {
  font-size: clamp(2.1rem, 4vw, 3rem);
  color: var(--text-primary);
  margin-bottom: 20px;
}
.text-gradient {
  background: linear-gradient(90deg, var(--cyan-300), var(--orange-500));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 54ch;
  margin-bottom: 32px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 8px; }

.hero-visual { position: relative; }
.visual-frame {
  position: relative;
  border-radius: var(--radius-md);
  padding: 3px;
  background: linear-gradient(160deg, rgba(92,192,222,0.35), rgba(232,134,60,0.2) 60%, transparent);
  box-shadow: var(--shadow-lg);
  transition: transform 0.2s ease;
  transform-style: preserve-3d;
  will-change: transform;
}
.visual-video {
  width: 100%;
  border-radius: calc(var(--radius-md) - 3px);
  display: block;
  background: var(--navy-800);
  aspect-ratio: 16 / 9;
  object-fit: contain;
}
.visual-scanline {
  position: absolute;
  inset: 3px;
  border-radius: calc(var(--radius-md) - 3px);
  background: linear-gradient(180deg, transparent 0%, rgba(92,192,222,0.06) 50%, transparent 100%);
  pointer-events: none;
}

.corner { position: absolute; width: 22px; height: 22px; border: 2px solid var(--cyan-400); opacity: 0.8; z-index: 2; }
.corner-tl { top: -6px; left: -6px; border-right: none; border-bottom: none; border-radius: 4px 0 0 0; }
.corner-tr { top: -6px; right: -6px; border-left: none; border-bottom: none; border-radius: 0 4px 0 0; }
.corner-bl { bottom: -6px; left: -6px; border-right: none; border-top: none; border-radius: 0 0 0 4px; }
.corner-br { bottom: -6px; right: -6px; border-left: none; border-top: none; border-radius: 0 0 4px 0; }

.visual-badge {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--navy-800);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 9px 14px;
  border-radius: 999px;
  box-shadow: var(--shadow-md);
}
.visual-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 8px #4ade80; }
.visual-badge-a { top: -16px; left: -14px; }
.visual-badge-b { bottom: -16px; right: -14px; background: var(--orange-500); color: #170c04; border-color: transparent; }

/* ==========================================================================
   Marquee
   ========================================================================== */
.marquee {
  background: var(--navy-900);
  border-block: 1px solid var(--border);
  padding-block: 16px;
  overflow: hidden;
  white-space: nowrap;
}
.marquee-track { display: inline-flex; animation: marquee 28s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-group { display: inline-flex; align-items: center; }
.marquee-group span {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
  padding-inline: 14px;
}
.marquee-group .sep { color: var(--orange-500); font-size: 0.6rem; padding-inline: 0; }

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ==========================================================================
   Sections
   ========================================================================== */
.section { padding-block: 100px; }
.section-alt { background: var(--navy-900); }

.section-head { max-width: 680px; margin-bottom: 52px; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 14px; }
.section-lead { color: var(--text-secondary); font-size: 1.02rem; }

.grid { display: grid; gap: 24px; }

/* ==========================================================================
   Services tabs
   ========================================================================== */
.tabs { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 0; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; background: var(--surface); }

.tabs-list { display: flex; flex-direction: column; border-right: 1px solid var(--border); background: var(--navy-900); }
.tab-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  text-align: left;
  padding: 20px 22px;
  border-left: 3px solid transparent;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.tab-btn:last-child { border-bottom: none; }
.tab-index { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-muted); flex-shrink: 0; }
.tab-label { flex: 1; font-weight: 600; font-size: 0.95rem; }
.tab-arrow { opacity: 0; transform: translateX(-4px); transition: opacity 0.15s ease, transform 0.15s ease; flex-shrink: 0; color: var(--orange-500); }

.tab-btn:hover { background: rgba(255,255,255,0.02); color: var(--text-primary); }
.tab-btn.is-active {
  background: var(--surface);
  color: var(--text-primary);
  border-left-color: var(--orange-500);
}
.tab-btn.is-active .tab-index { color: var(--cyan-300); }
.tab-btn.is-active .tab-arrow { opacity: 1; transform: translateX(0); }

.tabs-panels { position: relative; padding: 40px; }
.tab-panel {
  animation: panelIn 0.35s ease;
}
@keyframes panelIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.panel-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--blue-600), var(--cyan-400));
  color: var(--navy-950);
  margin-bottom: 22px;
}
.tab-panel h3 { font-size: 1.4rem; margin-bottom: 14px; }
.tab-panel > p { color: var(--text-secondary); font-size: 1rem; margin-bottom: 22px; max-width: 56ch; }
.panel-list { display: flex; flex-direction: column; gap: 12px; }
.panel-list li {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: var(--text-secondary);
  padding-left: 22px;
  position: relative;
}
.panel-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--orange-500);
}

/* ==========================================================================
   Sectors
   ========================================================================== */
.sectors-grid { grid-template-columns: repeat(2, 1fr); }
.sector-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  transform-style: preserve-3d;
}
.sector-card:hover { border-color: var(--border-strong); transform: translateY(-4px); box-shadow: var(--shadow-md); }
.sector-index {
  position: absolute;
  top: -0.15em; right: 20px;
  font-family: var(--font-head);
  font-size: 6rem;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--border-strong);
  line-height: 1;
  pointer-events: none;
}
.sector-card h3 { font-size: 1.3rem; margin-bottom: 22px; position: relative; }
.sector-card ul li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.95rem;
  position: relative;
}
.sector-card ul li:last-child { border-bottom: none; }
.sector-card .check { color: var(--orange-500); font-family: var(--font-mono); font-weight: 700; }

/* ==========================================================================
   About / spec list
   ========================================================================== */
.about-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 60px; align-items: start; }

.spec-list { position: relative; padding-left: 30px; }
.spec-list::before {
  content: "";
  position: absolute;
  left: 5px; top: 6px; bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan-400), var(--orange-500), transparent);
  opacity: 0.4;
}
.spec-row { position: relative; display: flex; gap: 22px; padding: 20px 0; border-bottom: 1px solid var(--border); }
.spec-row:last-child { border-bottom: none; }
.spec-row::before {
  content: "";
  position: absolute;
  left: -30px; top: 26px;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--navy-950);
  border: 2px solid var(--cyan-400);
}
.spec-index { font-family: var(--font-mono); color: var(--orange-500); font-weight: 600; font-size: 0.9rem; flex-shrink: 0; padding-top: 2px; }
.spec-body h3 { font-size: 1.05rem; margin-bottom: 8px; }
.spec-body p { color: var(--text-secondary); font-size: 0.92rem; }

/* ==========================================================================
   Contact
   ========================================================================== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }

.whatsapp-cta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 32px;
  padding: 20px 22px;
  background: linear-gradient(135deg, rgba(37, 211, 102, 0.12), rgba(37, 211, 102, 0.03));
  border: 1px solid rgba(37, 211, 102, 0.3);
  border-radius: var(--radius-md);
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.whatsapp-cta:hover { transform: translateY(-2px); border-color: rgba(37, 211, 102, 0.55); }
.whatsapp-cta-icon { position: relative; display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; background: #25d366; color: #06210f; border-radius: 50%; flex-shrink: 0; }
.pulse-ring { position: absolute; inset: -4px; border-radius: 50%; border: 2px solid #25d366; animation: pulseRing 2.2s ease-out infinite; }
@keyframes pulseRing {
  0% { transform: scale(0.9); opacity: 0.8; }
  100% { transform: scale(1.5); opacity: 0; }
}
.whatsapp-cta-text { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.whatsapp-cta-text strong { font-size: 1.1rem; font-family: var(--font-mono); }
.whatsapp-cta-text span { font-size: 0.85rem; color: var(--text-secondary); }
.whatsapp-cta-go { color: var(--text-muted); flex-shrink: 0; }

.contact-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 14px;
  padding: 16px 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.contact-item-label { font-family: var(--font-mono); font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); }
.contact-item-value { font-size: 1rem; font-weight: 600; color: var(--text-primary); }

.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px;
}
.form-row { margin-bottom: 18px; }
.form-row label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--text-primary); margin-bottom: 8px; }
.form-row .optional { font-weight: 400; color: var(--text-muted); }
.form-row input, .form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--navy-950);
  color: var(--text-primary);
  resize: vertical;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-row input::placeholder, .form-row textarea::placeholder { color: var(--text-muted); }
.form-row input:focus, .form-row textarea:focus { outline: none; border-color: var(--cyan-400); box-shadow: 0 0 0 3px rgba(92, 192, 222, 0.15); }
.form-hint { text-align: center; font-size: 0.78rem; color: var(--text-muted); margin-top: 14px; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  position: relative;
  background: var(--navy-900);
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  padding-top: 64px;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: -1px; left: 0; right: 0;
  height: 1px;
  background: var(--brand-gradient);
  opacity: 0.5;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-primary);
  margin-bottom: 18px;
}

.footer-col-brand { padding-right: 20px; }
.footer-brand { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-tagline { max-width: 42ch; font-size: 0.92rem; line-height: 1.6; margin-bottom: 20px; }
.footer-app-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--cyan-300);
  transition: gap 0.15s ease, color 0.15s ease;
}
.footer-app-link:hover { color: var(--cyan-400); gap: 9px; }

.footer-nav { display: flex; flex-direction: column; gap: 12px; }
.footer-nav a { font-size: 0.88rem; transition: color 0.15s ease; }
.footer-nav a:hover { color: var(--cyan-300); }

.footer-contact-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
  transition: color 0.15s ease;
}
.footer-contact-link:hover { color: #25d366; }
.footer-location { font-size: 0.86rem; color: var(--text-muted); }

.footer-bottom { border-top: 1px solid var(--border); padding-block: 22px; }
.footer-bottom-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-copy { font-size: 0.78rem; color: var(--text-muted); }
.footer-to-top {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color 0.15s ease, transform 0.15s ease;
}
.footer-to-top:hover { color: var(--cyan-300); transform: translateY(-2px); }

/* ==========================================================================
   Floating WhatsApp button
   ========================================================================== */
.float-whatsapp {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 56px; height: 56px;
  background: #25d366;
  color: #06210f;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 28px rgba(37, 211, 102, 0.4);
  z-index: 90;
  transition: transform 0.2s ease, opacity 0.25s ease;
}
.float-whatsapp:hover { transform: scale(1.08); }
.float-whatsapp.is-hidden { opacity: 0; transform: scale(0.7); pointer-events: none; }

/* ==========================================================================
   Reveal-on-scroll
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  transition-delay: var(--delay, 0ms);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { max-width: 420px; }
  .about-grid { grid-template-columns: 1fr; }
  .tabs { grid-template-columns: 1fr; }
  .tabs-list { flex-direction: row; overflow-x: auto; border-right: none; border-bottom: 1px solid var(--border); }
  .tab-btn { border-left: none; border-bottom: 3px solid transparent; white-space: nowrap; }
  .tab-btn.is-active { border-left-color: transparent; border-bottom-color: var(--orange-500); }
  .tab-label { flex: none; }
  .tab-arrow { display: none; }
}

@media (max-width: 860px) {
  html { scroll-padding-top: var(--mobile-topbar-h); }

  .app-shell { display: block; }

  .mobile-topbar { display: flex; }

  .sidebar {
    position: fixed;
    top: 0; left: 0;
    height: 100vh;
    width: min(82vw, 300px);
    transform: translateX(-100%);
    box-shadow: var(--shadow-lg);
  }
  .sidebar.is-mobile-open { transform: translateX(0); }
  .sidebar.is-mobile-open ~ .sidebar-backdrop,
  .sidebar-backdrop.is-visible { display: block; }

  /* Mobile drawer always shows full labels — no hover on touch devices */
  .sidebar .brand-word { opacity: 1; width: auto; }
  .sidebar .sidebar-nav a { justify-content: flex-start; padding: 11px 13px; }
  .sidebar .sidebar-nav a span { opacity: 1; width: auto; }
  .sidebar .sidebar-footer .btn { padding-inline: 24px; }
  .sidebar .sidebar-footer .btn span { opacity: 1; width: auto; }

  .sectors-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px 24px; }
  .footer-col-brand { grid-column: 1 / -1; padding-right: 0; }
}

@media (max-width: 600px) {
  .hero { padding-block: 32px 56px; }
  .hero-copy h1 { font-size: 1.9rem; }
  .section { padding-block: 64px; }
  .tabs-panels { padding: 26px; }
  .float-whatsapp { right: 16px; bottom: 16px; width: 50px; height: 50px; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-col-brand { grid-column: auto; }
  .footer-bottom-inner { flex-direction: column; align-items: flex-start; gap: 10px; }
}
