/*
Theme Name: Arctic TechnoLabs
Theme URI: https://arctictechnolabs.com
Author: Arctic TechnoLabs
Author URI: https://arctictechnolabs.com
Description: A premium, interactive IT company WordPress theme for Arctic TechnoLabs — built with Tailwind CSS, full Elementor support, dark/light mode toggle, and a cutting-edge dark-tech aesthetic.
Version: 2.0.0
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: arctictechnolabs
Tags: technology, dark, light-mode, elementor, tailwind, portfolio, blog, animation, it-company

*/

/* ============================================================
   LIGHT MODE — Clean White + Arctic Sky Blue + Deep Slate
   ============================================================ */
:root,
[data-theme="light"] {
  /* Brand — Arctic Tech: Sky Blue + Indigo + Teal */
  --color-primary:      #0369a1;   /* Sky-700 — authoritative professional blue */
  --color-secondary:    #4f46e5;   /* Indigo-600 — vivid electric accent        */
  --color-accent:       #0d9488;   /* Teal-600 — Arctic innovation accent       */
  --color-success:      #047857;
  --color-warning:      #b45309;

  /* Button gradient — sky blue → indigo */
  --color-btn-from:     #0369a1;
  --color-btn-to:       #4f46e5;

  /* Page backgrounds — clean white + sky-tinted sections */
  --color-dark:         #ffffff;   /* Clean white — maximum professional clarity */
  --color-dark-2:       #f0f7ff;   /* Sky-50 tint — subtle alt section          */
  --color-dark-3:       #dbeafe;   /* Blue-100 — deepest accent section         */
  --color-surface:      #ffffff;
  --color-card:         #ffffff;   /* White cards — crisp and bold              */
  --color-card-hover:   #f0f7ff;   /* Sky-blue tint on hover                    */

  /* Typography — deep slate for maximum professional readability */
  --color-text:         #0f172a;   /* Slate-900 — rich contrast body text       */
  --color-text-muted:   #334155;   /* Slate-700 — clearly readable muted        */
  --color-text-subtle:  #64748b;   /* Slate-500 — subtle but legible            */
  --color-heading:      #020617;   /* Slate-950 — commanding near-black         */

  /* Borders */
  --color-border:       rgba(3,105,161,0.18);
  --color-border-2:     rgba(3,105,161,0.36);

  /* Glows */
  --glow-primary:       0 4px 32px rgba(3,105,161,0.28);
  --glow-secondary:     0 4px 32px rgba(79,70,229,0.24);

  /* Scrollbar */
  --scrollbar-track:    #dbeafe;
  --scrollbar-thumb:    #0369a1;

  /* Grid overlay */
  --grid-color:         rgba(3,105,161,0.08);

  /* Nav */
  --nav-bg:             transparent;
  --nav-bg-scrolled:    rgba(255,255,255,0.98);
  --nav-shadow:         0 2px 24px rgba(3,105,161,0.14);
  --nav-link-color:     #0f172a;

  /* Footer */
  --footer-bg:          #020617;
  --footer-text:        #64748b;

  /* Input */
  --input-bg:           #ffffff;
  --input-border:       rgba(3,105,161,0.24);
  --input-text:         #0f172a;

  /* Toggle FAB */
  --toggle-fab-bg:      #ffffff;
  --toggle-fab-border:  rgba(3,105,161,0.22);
  --toggle-fab-shadow:  0 4px 20px rgba(3,105,161,0.18);
  --toggle-icon-color:  #334155;
}

/* ============================================================
   DARK MODE — Deep Midnight Navy + Electric Sky Blue + Teal
   ============================================================ */
[data-theme="dark"] {
  /* Brand — Arctic electric accents on deep navy */
  --color-primary:      #38bdf8;   /* Sky-400 — electric ice blue               */
  --color-secondary:    #818cf8;   /* Indigo-400 — vivid electric accent        */
  --color-accent:       #2dd4bf;   /* Teal-400 — Arctic glow                    */
  --color-success:      #34d399;
  --color-warning:      #fbbf24;

  /* Button gradient — sky blue → indigo */
  --color-btn-from:     #0284c7;   /* Sky-600 */
  --color-btn-to:       #4f46e5;   /* Indigo-600 */

  /* Backgrounds — deep midnight navy tiers */
  --color-dark:         #060a14;   /* Deep midnight navy page bg                */
  --color-dark-2:       #0a1020;   /* Lighter navy alt section                  */
  --color-dark-3:       #111827;   /* Medium dark accent section                */
  --color-surface:      #0a1020;
  --color-card:         #0d1526;   /* SOLID navy card — visible on #060a14     */
  --color-card-hover:   #132033;

  /* Text — clean high-contrast slate */
  --color-text:         #f1f5f9;   /* Slate-100 — near-white body               */
  --color-text-muted:   #c0cfe0;   /* Brighter slate — readable on dark bg      */
  --color-text-subtle:  #94a3b8;   /* Slate-400 — subtle but visible            */
  --color-heading:      #f8fafc;   /* Slate-50 — crisp headings                 */

  /* Borders — sky-blue tinted */
  --color-border:       rgba(56,189,248,0.18);
  --color-border-2:     rgba(56,189,248,0.36);

  /* Glows — electric blue + indigo */
  --glow-primary:       0 0 48px rgba(56,189,248,0.42);
  --glow-secondary:     0 0 48px rgba(129,140,248,0.42);

  /* Scrollbar */
  --scrollbar-track:    #0a1020;
  --scrollbar-thumb:    #38bdf8;

  /* Grid overlay */
  --grid-color:         rgba(56,189,248,0.06);

  /* Nav */
  --nav-bg:             rgba(6,10,20,0);
  --nav-bg-scrolled:    rgba(6,10,20,0.97);
  --nav-shadow:         0 1px 0 rgba(56,189,248,0.14);
  --nav-link-color:     #94a3b8;

  /* Footer */
  --footer-bg:          #030610;
  --footer-text:        #64748b;

  /* Input */
  --input-bg:           #0d1526;
  --input-border:       rgba(56,189,248,0.28);
  --input-text:         #f1f5f9;

  /* Toggle FAB */
  --toggle-fab-bg:      #0d1526;
  --toggle-fab-border:  rgba(56,189,248,0.28);
  --toggle-fab-shadow:  0 4px 24px rgba(56,189,248,0.20);
  --toggle-icon-color:  #94a3b8;
}

/* ============================================================
   TYPOGRAPHY — same both modes
   ============================================================ */
:root {
  --font-display: 'Plus Jakarta Sans', 'Syne', sans-serif;
  --font-body:    'Inter', 'DM Sans', sans-serif;
  --font-mono:    'Fira Code', 'JetBrains Mono', monospace;
  --transition:   all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --radius-sm:    6px;
  --radius-md:    10px;
  --radius-lg:    16px;
  --radius-xl:    24px;
}

/* ============================================================
   SMOOTH TRANSITION when toggling
   ============================================================ */
body,
body * {
  transition:
    background-color 0.3s ease,
    border-color     0.3s ease,
    color            0.3s ease,
    box-shadow       0.3s ease !important;
}
/* Override for motion-intensive elements to avoid lag -->
body *:where(svg, img, video, canvas, .btn-primary, .portfolio-item, .loader-ring) {
  transition: none !important;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background-color: var(--color-dark);
  color: var(--color-text);
  font-family: var(--font-body);
  overflow-x: hidden;
  line-height: 1.7;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--scrollbar-track); }
::-webkit-scrollbar-thumb { background: var(--color-primary); border-radius: 3px; }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-heading);
}
h1 { letter-spacing: -0.03em; font-weight: 800; }
h2 { letter-spacing: -0.025em; font-weight: 800; }
h3 { letter-spacing: -0.02em; }

/* ============================================================
   HEADER & NAVIGATION
   ============================================================ */

/* ── Outer shell ── */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0;
  transition: background .3s ease, box-shadow .3s ease, border-color .3s ease;
}

#site-header.scrolled {
  background: rgba(8,8,15,0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--color-border-2);
  box-shadow: 0 4px 32px rgba(8,8,15,0.70);
}

/* ── Inner wrapper: logo | nav | actions ── */
.atl-header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

/* ── Logo ── */
.atl-logo-wrap {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
  line-height: 1;
}

.atl-logo-wrap img {
  height: 38px;
  width: auto;
  display: block;
}

/* ── Desktop nav ── */
#desktop-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  justify-content: center;
}

/* ── Header action buttons (search + CTA) ── */
#header-cta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* ── Icon button (search) ── */
.atl-icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color .2s ease, color .2s ease, background .2s ease;
  flex-shrink: 0;
  padding: 0;
}

.atl-icon-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(56,189,248,0.12);
}

[data-theme="light"] .atl-icon-btn:hover {
  border-color: #6d28d9;
  color: #6d28d9;
  background: rgba(109,40,217,0.12);
}

/* ── CTA button ── */
.atl-cta-btn {
  white-space: nowrap;
  flex-shrink: 0;
}

/* ── Hamburger button ── */
.atl-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  transition: border-color .2s ease;
}

.atl-hamburger:hover { border-color: var(--color-primary); }

.atl-hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-text-muted);
  border-radius: 2px;
  transition: background .2s ease;
}

.atl-hamburger:hover span { background: var(--color-primary); }

/* ── Mobile menu overlay ── */
#mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(8,8,15,0.98);
  backdrop-filter: blur(24px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 40px 24px;
}

#mobile-menu.open { display: flex; }

.mobile-close-btn {
  position: absolute;
  top: 20px; right: 20px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text-muted);
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: border-color .2s ease, color .2s ease;
}

.mobile-close-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }

.mobile-nav-link {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  padding: 8px 0;
  transition: color .2s ease;
  text-align: center;
}

.mobile-nav-link:hover { color: var(--color-primary); }

/* ── Responsive breakpoints ── */
@media (max-width: 1024px) {
  .atl-header-inner { padding: 0 24px; gap: 16px; }
  #desktop-nav { gap: 4px; }
  .nav-link { font-size: .78rem; }
}

@media (max-width: 768px) {
  #desktop-nav  { display: none !important; }
  #header-cta   { display: none !important; }
  .atl-hamburger{ display: flex !important; }
  .atl-header-inner { padding: 0 20px; height: 64px; }
}

@media (max-width: 480px) {
  .atl-header-inner { padding: 0 16px; }
}

/* ── Nav links ── */
.nav-link {
  font-family: var(--font-display);
  font-size: 0.83rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color .2s ease, background .2s ease;
  position: relative;
  padding: 7px 13px;
  border-radius: 7px;
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 3px;
  left: 13px;
  right: 13px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform .25s cubic-bezier(0.4,0,0.2,1);
}

.nav-link:hover              { color: var(--color-primary); background: rgba(56,189,248,.10); }
.nav-link.active             { color: var(--color-primary); background: rgba(56,189,248,.14); font-weight: 700; }
.nav-link:hover::after,
.nav-link.active::after      { transform: scaleX(1); }

/* Site-wide dark override for light mode nav */
[data-theme="light"] .nav-link:hover  { color: #38bdf8 !important; background: rgba(56,189,248,.10) !important; }
[data-theme="light"] .nav-link.active { color: #38bdf8 !important; background: rgba(56,189,248,.14) !important; font-weight: 700; }



/* ===== HERO ===== */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.15;
  pointer-events: none;
}

/* ===== COUNTER ===== */
.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

/* ===== SERVICE CARD ===== */
.service-card {
  padding: 40px;
  border-radius: 12px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.service-card:hover::before { transform: scaleX(1); }
.service-card:hover {
  background: var(--color-card-hover);
  border-color: rgba(56,189,248,0.55);
  transform: translateY(-6px);
  box-shadow: 0 24px 64px rgba(6,10,20,0.60), 0 0 0 1px rgba(56,189,248,0.25), var(--glow-primary);
}

.service-icon {
  width: 64px; height: 64px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(56,189,248,0.18), rgba(129,140,248,0.18));
  border: 1px solid rgba(56,189,248,0.35);
  margin-bottom: 24px;
  font-size: 1.6rem;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: linear-gradient(135deg, rgba(56,189,248,0.32), rgba(129,140,248,0.28));
  border-color: rgba(56,189,248,0.60);
  box-shadow: var(--glow-primary);
}

/* ===== PORTFOLIO ===== */
.portfolio-item {
  position: relative; overflow: hidden; border-radius: 12px;
  cursor: pointer;
}

.portfolio-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(8,8,15,0.96) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s ease;
  display: flex; flex-direction: column;
  justify-content: flex-end; padding: 32px;
}

.portfolio-item:hover .portfolio-overlay { opacity: 1; }
.portfolio-item img { transition: transform 0.6s ease; width: 100%; height: 100%; object-fit: cover; }
.portfolio-item:hover img { transform: scale(1.08); }

/* ===== BLOG CARD ===== */
.blog-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.blog-card:hover {
  border-color: rgba(56,189,248,0.55);
  transform: translateY(-5px);
  box-shadow: 0 24px 64px rgba(6,10,20,0.55), 0 0 0 1px rgba(56,189,248,0.24), var(--glow-primary);
}

/* ===== TEAM CARD ===== */
.team-card {
  text-align: center;
  padding: 32px 24px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  transition: var(--transition);
}

.team-card:hover {
  border-color: rgba(56,189,248,0.55);
  box-shadow: 0 16px 48px rgba(6,10,20,0.50), 0 0 0 1px rgba(56,189,248,0.24), var(--glow-primary);
  transform: translateY(-5px);
}

.team-avatar {
  width: 100px; height: 100px;
  border-radius: 50%;
  margin: 0 auto 16px;
  border: 2px solid rgba(56,189,248,0.50);
  overflow: hidden;
  position: relative;
}

.team-avatar::after {
  content: '';
  position: absolute; inset: -3px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  z-index: -1;
}

/* ===== FORM ===== */
.form-input {
  width: 100%;
  padding: 14px 18px;
  background: var(--input-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
}

.form-input:focus {
  border-color: var(--color-primary);
  background: var(--input-bg);
  box-shadow: 0 0 0 3px rgba(56,189,248,0.22);
}

.form-input::placeholder { color: var(--color-text-muted); }

/* ===== SECTION LABEL ===== */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  background: rgba(56,189,248,0.14);
  border: 1px solid rgba(56,189,248,0.48);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  font-weight: 600;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 20px;
}

/* ===== GLASS CARD ===== */
.glass-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}

.glass-card:hover {
  border-color: rgba(56,189,248,0.55);
  box-shadow: 0 16px 48px rgba(6,10,20,0.50), 0 0 0 1px rgba(56,189,248,0.26), var(--glow-primary);
  transform: translateY(-4px);
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 30px;
  background: linear-gradient(135deg, var(--color-btn-from), var(--color-btn-to));
  color: #ffffff;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.3s ease;
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.20), transparent 55%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 36px rgba(3,105,161,0.55);
}

[data-theme="dark"] .btn-primary:hover {
  box-shadow: 0 10px 36px rgba(56,189,248,0.50);
}

.btn-primary:hover::after { opacity: 1; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 29px;
  background: transparent;
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.3s ease, box-shadow 0.3s ease, transform 0.2s ease;
}

.btn-outline:hover {
  background: rgba(56,189,248,0.16);
  border-color: rgba(56,189,248,0.80);
  box-shadow: 0 6px 24px rgba(56,189,248,0.35);
  transform: translateY(-2px);
}

/* ===== FOOTER ===== */
.footer-link {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-link:hover { color: var(--color-primary); padding-left: 4px; }

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: var(--glow-primary); }
  50% { box-shadow: 0 0 80px rgba(165,180,252,0.70); }
}

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.animate-fade-in-up { animation: fadeInUp 0.8s ease forwards; }
.animate-float { animation: float 6s ease-in-out infinite; }
.animate-pulse-glow { animation: pulse-glow 2s ease-in-out infinite; }

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== TYPING CURSOR ===== */
.typing-cursor {
  display: inline-block;
  width: 3px;
  background: var(--color-primary);
  animation: blink 1s step-end infinite;
  margin-left: 2px;
  vertical-align: text-bottom;
}

/* ===== TECH BADGE ===== */
.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(56,189,248,0.12);
  border: 1px solid rgba(56,189,248,0.38);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-primary);
  transition: var(--transition);
}

.tech-badge:hover {
  background: rgba(56,189,248,0.24);
  border-color: rgba(56,189,248,0.75);
  box-shadow: 0 2px 16px rgba(56,189,248,0.32);
}

/* ===== PROCESS STEP ===== */
.process-step {
  position: relative;
  padding: 32px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  transition: var(--transition);
}

.process-step:hover {
  border-color: rgba(129,140,248,0.60);
  box-shadow: 0 16px 48px rgba(6,10,20,0.48), 0 0 0 1px rgba(129,140,248,0.28), var(--glow-secondary);
}

.step-number {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 800;
  opacity: 0.07;
  position: absolute;
  top: 20px; right: 24px;
  line-height: 1;
  color: var(--color-primary);
}

/* ===== TESTIMONIAL ===== */
.testimonial-card {
  padding: 40px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  transition: var(--transition);
  position: relative;
}

.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: 20px; left: 32px;
  font-family: var(--font-display);
  font-size: 5rem;
  color: var(--color-primary);
  opacity: 0.2;
  line-height: 1;
}

.testimonial-card:hover {
  border-color: rgba(56,189,248,0.55);
  box-shadow: 0 16px 48px rgba(6,10,20,0.48), 0 0 0 1px rgba(56,189,248,0.25), var(--glow-primary);
  transform: translateY(-4px);
}

/* ===== MOBILE MENU ===== */
#mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(8,8,15,0.98);
  backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

#mobile-menu.open { display: flex; }

.mobile-nav-link {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  transition: var(--transition);
}

.mobile-nav-link:hover { color: var(--color-primary); }

/* ===== ELEMENTOR COMPAT ===== */
.elementor-section { width: 100%; }
.elementor-widget-wrap { width: 100%; }

/* ===== FILTER TABS ===== */
.filter-btn {
  padding: 8px 24px;
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
  background: linear-gradient(135deg, var(--color-btn-from), var(--color-btn-to));
  border-color: transparent;
  color: #ffffff;
  box-shadow: 0 6px 24px rgba(3,105,161,0.50);
}

/* ===== LOADER ===== */
#page-loader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--color-dark);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.6s ease;
}

#page-loader.fade-out { opacity: 0; pointer-events: none; }

.loader-ring {
  width: 60px; height: 60px;
  border: 2px solid rgba(56,189,248,0.22);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin-slow 0.8s linear infinite;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .section-label { font-size: 0.7rem; }
  .service-card, .process-step, .testimonial-card { padding: 24px; }
}

/* ============================================================
   BACK TO TOP BUTTON
   ============================================================ */
#back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 999;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-btn-from), var(--color-btn-to));
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(56,189,248,0.45);
  opacity: 0;
  transform: translateY(16px) scale(0.9);
  transition: opacity 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  pointer-events: none;
}
#back-to-top.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
#back-to-top:hover {
  box-shadow: 0 8px 32px rgba(56,189,248,0.65);
  transform: translateY(-3px) scale(1.05);
}
#back-to-top svg { color: #ffffff; }

/* ============================================================
   COOKIE CONSENT BANNER
   ============================================================ */
#cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 24px;
  max-width: 420px;
  background: var(--color-dark-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  z-index: 9998;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  transform: translateY(0);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
#cookie-banner.hide {
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
}

/* ============================================================
   SEARCH MODAL
   ============================================================ */
#search-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(8,8,15,0.97);
  backdrop-filter: blur(20px);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 10vh;
}
#search-modal.open { display: flex; }
#search-modal-inner {
  width: 100%;
  max-width: 680px;
  padding: 0 24px;
}
#search-modal input {
  width: 100%;
  background: #0d1526;
  border: 1px solid rgba(56,189,248,0.45);
  border-radius: var(--radius-md);
  padding: 18px 24px;
  font-family: var(--font-body);
  font-size: 1.2rem;
  color: var(--color-text);
  outline: none;
}
#search-modal input::placeholder { color: var(--color-text-muted); }

/* ============================================================
   FLOATING CONTACT BUTTON
   ============================================================ */
#float-contact {
  position: fixed;
  bottom: 32px;
  left: 32px;
  z-index: 998;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: var(--color-card);
  border: 1px solid rgba(56,189,248,0.32);
  border-radius: 100px;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: .82rem;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 8px 32px rgba(8,8,15,0.55);
  transition: var(--transition);
}
#float-contact:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-3px);
}
#float-contact .dot {
  width: 8px; height: 8px;
  background: var(--color-success);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-success);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: .6; transform: scale(1.3); }
}

/* ============================================================
   SKIP LINK (accessibility)
   ============================================================ */
.skip-link {
  position: absolute;
  top: -50px;
  left: 16px;
  padding: 8px 16px;
  background: var(--color-primary);
  color: #ffffff;
  font-weight: 700;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  z-index: 99999;
  transition: top .2s;
}
.skip-link:focus { top: 0; }

/* ============================================================
   BREADCRUMBS (global)
   ============================================================ */
.arctictechnolabs-breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}
.arctictechnolabs-breadcrumbs a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color .2s;
}
.arctictechnolabs-breadcrumbs a:hover { color: var(--color-primary); }
.arctictechnolabs-breadcrumbs .sep { opacity: .4; }
.arctictechnolabs-breadcrumbs .current { color: var(--color-primary); }

/* ============================================================
   LAZY-LOAD IMAGE FADE
   ============================================================ */
img.lazy { opacity: 0; transition: opacity .4s ease; }
img.lazy.loaded { opacity: 1; }

/* ============================================================
   PRINT STYLES
   ============================================================ */
@media print {
  #site-header, #back-to-top, #float-contact, #cookie-banner,
  .hero-glow, #page-loader { display: none !important; }
  body { background: white; color: #000; }
  .entry-content { color: #333; }
}

/* ============================================================
   FOCUS VISIBLE (accessibility)
   ============================================================ */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 4px;
}



/* ============================================================
   LIGHT MODE — COMPREHENSIVE OVERRIDES
   Palette: Arctic Sky Blue #0369a1 + Indigo #4f46e5 + Teal #0d9488
   ============================================================ */

/* ── Page & Body ─────────────────────────────────────────── */
[data-theme="light"] body {
  background-color: var(--color-dark);
  color: var(--color-text);
}

[data-theme="light"] #site-main { background: var(--color-dark); }

/* ── Headings ─────────────────────────────────────────────── */
[data-theme="light"] h1,[data-theme="light"] h2,
[data-theme="light"] h3,[data-theme="light"] h4,
[data-theme="light"] h5,[data-theme="light"] h6 {
  color: var(--color-heading);
}

/* ── Gradient text ────────────────────────────────────────── */
[data-theme="light"] .gradient-text {
  background: linear-gradient(135deg,#0369a1 0%,#4f46e5 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
[data-theme="light"] .gradient-text-alt {
  background: linear-gradient(135deg,#4f46e5 0%,#0d9488 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
[data-theme="light"] .stat-number {
  background: linear-gradient(135deg,#0369a1,#4f46e5);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Section label ────────────────────────────────────────── */
[data-theme="light"] .section-label {
  color: #0369a1;
  background: rgba(3,105,161,0.10);
  border-color: rgba(3,105,161,0.38);
}

/* ── Header ───────────────────────────────────────────────── */
[data-theme="light"] #site-header { background: transparent; }
[data-theme="light"] #site-header.scrolled {
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(3,105,161,0.18);
  box-shadow: 0 4px 28px rgba(3,105,161,0.12);
}

/* ── Nav links ────────────────────────────────────────────── */
[data-theme="light"] .nav-link { color: var(--nav-link-color); }
[data-theme="light"] .nav-link:hover,
[data-theme="light"] .nav-link.active {
  color: #0369a1;
  background: rgba(3,105,161,0.10);
}
[data-theme="light"] .nav-link::after {
  background: linear-gradient(90deg,#0369a1,#4f46e5);
}

/* ── Icon button (search) ─────────────────────────────────── */
[data-theme="light"] .atl-icon-btn {
  border-color: rgba(3,105,161,0.24);
  color: var(--color-text-muted);
  background: transparent;
}
[data-theme="light"] .atl-icon-btn:hover {
  border-color: #0369a1;
  color: #0369a1;
  background: rgba(3,105,161,0.10);
}

/* ── Primary CTA button ───────────────────────────────────── */
[data-theme="light"] .btn-primary {
  background: linear-gradient(135deg,#0369a1 0%,#4f46e5 100%);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(3,105,161,0.45);
}
[data-theme="light"] .btn-primary:hover {
  box-shadow: 0 10px 36px rgba(3,105,161,0.62) !important;
}

/* ── Outline button ───────────────────────────────────────── */
[data-theme="light"] .btn-outline {
  color: #0369a1;
  border-color: rgba(3,105,161,0.60);
  background: transparent;
}
[data-theme="light"] .btn-outline:hover {
  background: rgba(3,105,161,0.10);
  border-color: #0369a1;
  color: #0369a1;
  box-shadow: 0 6px 24px rgba(3,105,161,0.30);
}

/* ── Hamburger ────────────────────────────────────────────── */
[data-theme="light"] .atl-hamburger { border-color: rgba(3,105,161,0.25); }
[data-theme="light"] .atl-hamburger span { background: #334155; }
[data-theme="light"] .atl-hamburger:hover span { background: #0369a1; }

/* ── Scrollbar ────────────────────────────────────────────── */
[data-theme="light"] ::-webkit-scrollbar-track { background: var(--scrollbar-track); }
[data-theme="light"] ::-webkit-scrollbar-thumb { background: var(--color-primary); }

/* ── Grid bg ──────────────────────────────────────────────── */
[data-theme="light"] .grid-bg {
  background-image:
    linear-gradient(rgba(3,105,161,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(3,105,161,0.07) 1px, transparent 1px);
}

/* ── Glass card ───────────────────────────────────────────── */
[data-theme="light"] .glass-card {
  background: #ffffff;
  border-color: rgba(3,105,161,0.18);
  box-shadow: 0 4px 24px rgba(3,105,161,0.10), 0 1px 6px rgba(3,105,161,0.06);
  backdrop-filter: none;
}
[data-theme="light"] .glass-card:hover {
  background: #f0f7ff;
  border-color: #0369a1;
  box-shadow: 0 16px 48px rgba(3,105,161,0.24), 0 2px 8px rgba(3,105,161,0.10), 0 0 0 1px rgba(3,105,161,0.14);
  transform: translateY(-4px);
}

/* ── Service card ─────────────────────────────────────────── */
[data-theme="light"] .service-card {
  background: #ffffff;
  border-color: rgba(3,105,161,0.18);
  box-shadow: 0 4px 28px rgba(3,105,161,0.10), 0 1px 6px rgba(3,105,161,0.06);
}
[data-theme="light"] .service-card:hover {
  background: #f0f7ff;
  border-color: #0369a1;
  box-shadow: 0 20px 56px rgba(3,105,161,0.24), 0 4px 12px rgba(3,105,161,0.10), 0 0 0 1px rgba(3,105,161,0.14);
}
[data-theme="light"] .service-card h3,
[data-theme="light"] .service-card .service-icon { color: var(--color-heading); }

/* ── Blog card ────────────────────────────────────────────── */
[data-theme="light"] .blog-card {
  background: #ffffff;
  border-color: rgba(3,105,161,0.18);
  box-shadow: 0 4px 28px rgba(3,105,161,0.10), 0 1px 6px rgba(3,105,161,0.06);
}
[data-theme="light"] .blog-card:hover {
  border-color: #0369a1;
  box-shadow: 0 16px 48px rgba(3,105,161,0.24), 0 2px 8px rgba(3,105,161,0.10), 0 0 0 1px rgba(3,105,161,0.14);
}

/* ── Team card ────────────────────────────────────────────── */
[data-theme="light"] .team-card {
  background: #ffffff;
  border-color: rgba(3,105,161,0.18);
  box-shadow: 0 4px 28px rgba(3,105,161,0.10), 0 1px 6px rgba(3,105,161,0.06);
}
[data-theme="light"] .team-card:hover {
  border-color: #0369a1;
  box-shadow: 0 16px 48px rgba(3,105,161,0.24), 0 4px 12px rgba(3,105,161,0.10), 0 0 0 1px rgba(3,105,161,0.14);
}

/* ── Testimonial card ─────────────────────────────────────── */
[data-theme="light"] .testimonial-card {
  background: #ffffff;
  border-color: rgba(3,105,161,0.18);
  box-shadow: 0 4px 28px rgba(3,105,161,0.10), 0 1px 6px rgba(3,105,161,0.06);
}
[data-theme="light"] .testimonial-card::before { color: #0369a1; opacity: 0.30; }
[data-theme="light"] .testimonial-card:hover {
  border-color: #0369a1;
  box-shadow: 0 12px 40px rgba(3,105,161,0.24), 0 2px 8px rgba(3,105,161,0.10), 0 0 0 1px rgba(3,105,161,0.14);
}

/* ── Process step ─────────────────────────────────────────── */
[data-theme="light"] .process-step {
  background: #ffffff;
  border-color: rgba(3,105,161,0.18);
  box-shadow: 0 4px 28px rgba(3,105,161,0.10), 0 1px 6px rgba(3,105,161,0.06);
}
[data-theme="light"] .process-step:hover {
  border-color: #0d9488;
  box-shadow: 0 12px 40px rgba(13,148,136,0.22), 0 2px 8px rgba(13,148,136,0.10), 0 0 0 1px rgba(13,148,136,0.14);
}
[data-theme="light"] .step-number { color: #0369a1; opacity: 0.12; }

/* ── Section backgrounds ──────────────────────────────────── */
[data-theme="light"] section { background: var(--color-dark); }

/* ── Tech badge ───────────────────────────────────────────── */
[data-theme="light"] .tech-badge {
  background: rgba(3,105,161,0.09);
  border-color: rgba(3,105,161,0.32);
  color: #0369a1;
}
[data-theme="light"] .tech-badge:hover {
  background: rgba(3,105,161,0.16);
  border-color: #0369a1;
  color: #0369a1;
  box-shadow: 0 2px 12px rgba(3,105,161,0.22);
}

/* ── Form inputs ──────────────────────────────────────────── */
[data-theme="light"] .form-input {
  background: #ffffff;
  border-color: rgba(3,105,161,0.24);
  color: var(--color-text);
}
[data-theme="light"] .form-input:focus {
  background: #ffffff;
  border-color: #0369a1;
  box-shadow: 0 0 0 3px rgba(3,105,161,0.16);
}
[data-theme="light"] .form-input::placeholder { color: var(--color-text-subtle); }
[data-theme="light"] select.form-input option { background: #ffffff; color: var(--color-text); }

/* ── Inline style overrides (critical) ───────────────────── */
[data-theme="light"] #site-main *[style*="color:white"],
[data-theme="light"] #site-main *[style*="color: white"],
[data-theme="light"] #site-main *[style*="color:#fff"],
[data-theme="light"] #site-main *[style*="color: #fff"],
[data-theme="light"] #site-main *[style*="color:#ffffff"],
[data-theme="light"] #site-main *[style*="color: #ffffff"] {
  color: #f8fafc !important;
}

[data-theme="light"] #site-main *[style*="color:var(--color-text-muted)"],
[data-theme="light"] #site-main *[style*="color: var(--color-text-muted)"] {
  color: #c0cfe0 !important;
}

[data-theme="light"] #site-main *[style*="background:rgba(255,255,255,.02)"],
[data-theme="light"] #site-main *[style*="background: rgba(255,255,255,.02)"],
[data-theme="light"] #site-main *[style*="background:rgba(255,255,255, .02)"] {
  background: rgba(13,21,38,0.92) !important;
  border-color: rgba(56,189,248,0.18) !important;
  box-shadow: 0 6px 24px rgba(0,0,0,0.45) !important;
}
[data-theme="light"] #site-main *[style*="background:rgba(255,255,255,.03)"],
[data-theme="light"] #site-main *[style*="background:rgba(255,255,255,.04)"] {
  background: rgba(10,16,32,0.75) !important;
}
[data-theme="light"] #site-main *[style*="background:rgba(255,255,255,.06)"],
[data-theme="light"] #site-main *[style*="background:rgba(255,255,255,.07)"],
[data-theme="light"] #site-main *[style*="background:rgba(255,255,255,.08)"] {
  background: rgba(56,189,248,0.06) !important;
}

[data-theme="light"] #site-main *[style*="border:1px solid var(--color-border)"],
[data-theme="light"] #site-main *[style*="border-color:var(--color-border)"],
[data-theme="light"] #site-main *[style*="border: 1px solid var(--color-border)"] {
  border-color: rgba(3,105,161,0.22) !important;
}

[data-theme="light"] *[style*="background:var(--color-dark-2)"] {
  background: var(--color-dark-2) !important;
}
[data-theme="light"] *[style*="background:var(--color-dark)"] {
  background: var(--color-dark) !important;
}

[data-theme="light"] *[style*="background:#0a0f1e"],
[data-theme="light"] *[style*="background: #0a0f1e"],
[data-theme="light"] *[style*="background:#030712"] {
  background: #020617 !important;
}

/* ── Stat numbers ─────────────────────────────────────────── */
[data-theme="light"] .stat-number { color: #0369a1; }

/* ── Filter buttons ───────────────────────────────────────── */
[data-theme="light"] .filter-btn {
  border-color: rgba(3,105,161,0.25);
  color: var(--color-text-muted);
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(3,105,161,0.08);
}
[data-theme="light"] .filter-btn:hover,
[data-theme="light"] .filter-btn.active {
  background: linear-gradient(135deg,#0369a1,#4f46e5);
  border-color: transparent;
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(3,105,161,0.46);
}

/* ── Portfolio overlay ────────────────────────────────────── */
[data-theme="light"] .portfolio-overlay {
  background: linear-gradient(to top, rgba(2,6,23,0.95) 0%, transparent 65%);
}

/* ── Service icon (light mode gradient) ───────────────────── */
[data-theme="light"] .service-icon {
  background: linear-gradient(135deg, rgba(3,105,161,0.14), rgba(79,70,229,0.14));
  border-color: rgba(3,105,161,0.32);
  color: #0369a1;
}
[data-theme="light"] .service-card:hover .service-icon {
  background: linear-gradient(135deg, rgba(3,105,161,0.24), rgba(79,70,229,0.20));
  border-color: rgba(3,105,161,0.55);
}

/* ── Lucide icon colour in service cards (light mode) ─────── */
[data-theme="light"] .service-icon svg { color: #0369a1; }

/* ── Hero radial backdrop (light mode) ────────────────────── */
[data-theme="light"] .hero-section {
  background:
    radial-gradient(60% 50% at 0% 0%, rgba(3,105,161,0.08), transparent 60%),
    radial-gradient(50% 60% at 100% 0%, rgba(79,70,229,0.06), transparent 60%),
    #ffffff;
}

/* ── CTA band always-dark overrides ──────────────────────── */
.atl-cta-band {
  background:
    radial-gradient(60% 80% at 20% 20%, rgba(56,189,248,0.35), transparent 60%),
    radial-gradient(60% 80% at 80% 80%, rgba(45,212,191,0.25), transparent 60%),
    linear-gradient(135deg, #0c1f3d 0%, #1a1538 100%) !important;
  color: #ffffff;
}
[data-theme="light"] .atl-cta-band { background:
    radial-gradient(60% 80% at 20% 20%, rgba(56,189,248,0.35), transparent 60%),
    radial-gradient(60% 80% at 80% 80%, rgba(45,212,191,0.25), transparent 60%),
    linear-gradient(135deg, #0c1f3d 0%, #1a1538 100%) !important;
}

/* ── Loader ring light mode ───────────────────────────────── */
[data-theme="light"] .loader-ring {
  border-color: rgba(3,105,161,0.18);
  border-top-color: #0369a1;
}

/* ── Lucide SVG icon in process steps ────────────────────── */
.atl-step-icon {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--color-dark);
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  box-shadow: 0 0 0 6px var(--color-dark), 0 8px 24px rgba(3,105,161,0.18);
  position: relative; z-index: 1;
}
[data-theme="light"] .atl-step-icon {
  background: #ffffff;
  box-shadow: 0 0 0 6px #ffffff, 0 8px 24px rgba(3,105,161,0.18);
}

/* ── Hero glows ───────────────────────────────────────────── */
[data-theme="light"] .hero-glow { opacity: 0.28; }

/* ── Banner images ────────────────────────────────────────── */
[data-theme="light"] img[aria-hidden="true"] { opacity: 0.18 !important; }

/* ── Mobile menu ──────────────────────────────────────────── */
[data-theme="light"] #mobile-menu {
  background: rgba(240,247,255,0.99);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}
[data-theme="light"] .mobile-nav-link { color: var(--color-heading); }
[data-theme="light"] .mobile-nav-link:hover { color: #0369a1; }
[data-theme="light"] .mobile-close-btn {
  border-color: rgba(3,105,161,0.24);
  color: var(--color-text-muted);
}

/* ── Page loader ──────────────────────────────────────────── */
[data-theme="light"] #page-loader { background: var(--color-dark); }
[data-theme="light"] .loader-ring {
  border-color: rgba(3,105,161,0.20);
  border-top-color: #0369a1;
}

/* ── Footer ───────────────────────────────────────────────── */
[data-theme="light"] #site-footer {
  background: var(--footer-bg) !important;
  border-top-color: rgba(255,255,255,0.07) !important;
}
[data-theme="light"] .footer-link { color: var(--footer-text); }
[data-theme="light"] .footer-link:hover { color: #38bdf8; }

/* ── Back to top ──────────────────────────────────────────── */
[data-theme="light"] #back-to-top {
  background: linear-gradient(135deg,#0369a1,#4f46e5);
  box-shadow: 0 4px 18px rgba(3,105,161,0.50);
}
[data-theme="light"] #back-to-top:hover {
  box-shadow: 0 8px 32px rgba(3,105,161,0.68) !important;
}

/* ── Cookie banner ────────────────────────────────────────── */
[data-theme="light"] #cookie-banner {
  background: #ffffff;
  border-color: rgba(3,105,161,0.18);
  box-shadow: 0 8px 40px rgba(3,105,161,0.16);
}
[data-theme="light"] #cookie-banner p,
[data-theme="light"] #cookie-banner .al { color: var(--color-text-muted); }

/* ── Float contact ────────────────────────────────────────── */
[data-theme="light"] #float-contact {
  background: #ffffff;
  border-color: rgba(3,105,161,0.30);
  color: var(--color-text);
  box-shadow: 0 6px 28px rgba(3,105,161,0.16);
}
[data-theme="light"] #float-contact:hover {
  color: #0369a1;
  border-color: rgba(3,105,161,0.60);
  box-shadow: 0 8px 32px rgba(3,105,161,0.28);
}

/* ── Search modal ─────────────────────────────────────────── */
[data-theme="light"] #search-modal {
  background: rgba(240,247,255,0.98);
}
[data-theme="light"] #search-modal input {
  background: #ffffff;
  border-color: rgba(3,105,161,0.50);
  color: var(--color-text);
  box-shadow: 0 4px 28px rgba(3,105,161,0.16);
}
[data-theme="light"] #search-modal input::placeholder { color: var(--color-text-subtle); }

/* ── Theme toggle FAB ─────────────────────────────────────── */
[data-theme="light"] #theme-toggle-fab {
  background: #ffffff;
  border-color: rgba(3,105,161,0.25);
  box-shadow: 0 4px 20px rgba(3,105,161,0.16);
}
[data-theme="light"] #theme-toggle-fab:hover {
  border-color: #0369a1;
  box-shadow: 0 8px 28px rgba(3,105,161,0.32);
}
[data-theme="light"] .fab-icon-moon { color: #0369a1; }

/* ── Logo switching ───────────────────────────────────────── */
[data-theme="dark"]  .atl-logo-light { display: none !important; }
[data-theme="dark"]  .atl-logo-dark  { display: block !important; }
[data-theme="light"] .atl-logo-dark  { display: none !important; }
[data-theme="light"] .atl-logo-light { display: block !important; }

/* ── Entry content (blog / single) ───────────────────────── */
[data-theme="light"] .entry-content { color: var(--color-text); }
[data-theme="light"] .entry-content h2,
[data-theme="light"] .entry-content h3,
[data-theme="light"] .entry-content h4 { color: var(--color-heading); }
[data-theme="light"] .entry-content a  { color: #0369a1; }
[data-theme="light"] .entry-content a:hover { color: #4f46e5; }
[data-theme="light"] .entry-content strong { color: var(--color-heading); }
[data-theme="light"] .entry-content code {
  background: rgba(3,105,161,0.09);
  color: #0369a1;
  border-radius: 4px;
  padding: 2px 7px;
}
[data-theme="light"] .entry-content pre {
  background: #f0f7ff;
  border-color: rgba(3,105,161,0.18);
  color: #0f172a;
}
[data-theme="light"] .entry-content blockquote {
  background: rgba(3,105,161,0.06);
  border-left-color: #0369a1;
}
[data-theme="light"] .entry-content blockquote p { color: var(--color-heading); }
[data-theme="light"] .entry-content table th {
  background: rgba(3,105,161,0.09);
  color: var(--color-heading);
}
[data-theme="light"] .entry-content table td { color: var(--color-text); }
[data-theme="light"] .entry-content hr { border-top-color: rgba(3,105,161,0.18); }


/* ============================================================
   SITE-WIDE HERO AESTHETIC
   Applies the hero section's dark navy + circuit board pattern
   + ambient glows to the entire site. Both modes look "dark."
   ============================================================ */

/* ── Permanent dark base ──────────────────────────────────── */
html { background-color: #060a14; }

/* Body becomes transparent so #atl-site-bg is visible below */
html body {
  background-color: transparent !important;
  background-image: none !important;
}

/* ── Global circuit board pattern + glow backdrop ─────────── */
#atl-site-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

/* Circuit board pattern at ~22% opacity */
#atl-site-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('assets/images/hero-pattern.svg');
  background-size: 720px;
  background-repeat: repeat;
  opacity: 0.22;
}

/* Ambient radial glows (primary top-left, secondary bottom-right, accent centre) */
#atl-site-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 5% 8%,  rgba(3,105,161,0.28), transparent 55%),
    radial-gradient(ellipse 60% 50% at 95% 92%, rgba(79,70,229,0.20), transparent 55%),
    radial-gradient(ellipse 45% 35% at 55% 50%, rgba(13,148,136,0.08), transparent 55%);
}

/* ── All sections: transparent to show the global bg ─────── */
section,
[data-theme="light"] section {
  background-color: transparent !important;
  background-image: none !important;
}

/* Alt sections get a subtle dark tint so the visual rhythm remains */
section[style*="background:var(--color-dark-2)"],
section[style*="background: var(--color-dark-2)"],
[data-theme="light"] section[style*="background:var(--color-dark-2)"],
[data-theme="light"] section[style*="background: var(--color-dark-2)"] {
  background-color: rgba(10,16,32,0.75) !important;
  background-image: none !important;
}

/* ── Site body & main ────────────────────────────────────── */
[data-theme="light"] #site-main { background: transparent !important; }

/* ── All text: dark-mode colour tokens applied everywhere ─── */
[data-theme="light"] body { color: #f1f5f9 !important; }

[data-theme="light"] h1,[data-theme="light"] h2,
[data-theme="light"] h3,[data-theme="light"] h4,
[data-theme="light"] h5,[data-theme="light"] h6 {
  color: #f8fafc !important;
}

[data-theme="light"] p { color: #c0cfe0 !important; }

/* Restore muted text token colours */
[data-theme="light"] *[style*="color:var(--color-text-muted)"],
[data-theme="light"] *[style*="color: var(--color-text-muted)"] {
  color: #c0cfe0 !important;
}

/* ── White/light hardcoded text: keep as near-white ─────── */
/* Overrides the earlier light-mode conversion to dark heading */
#site-main *[style*="color:white"],
#site-main *[style*="color: white"],
#site-main *[style*="color:#fff"],
#site-main *[style*="color: #fff"],
#site-main *[style*="color:#ffffff"],
#site-main *[style*="color: #ffffff"] {
  color: #f8fafc !important;
}

/* ── Gradient text: use electric (dark mode) palette ─────── */
[data-theme="light"] .gradient-text {
  background: linear-gradient(135deg,#38bdf8 0%,#818cf8 100%) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  color: transparent !important;
}
[data-theme="light"] .gradient-text-alt {
  background: linear-gradient(135deg,#818cf8 0%,#2dd4bf 100%) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  color: transparent !important;
}

/* ── Cards: always dark navy ─────────────────────────────── */
[data-theme="light"] .service-card,
[data-theme="light"] .glass-card,
[data-theme="light"] .blog-card,
[data-theme="light"] .team-card,
[data-theme="light"] .testimonial-card,
[data-theme="light"] .process-step {
  background: rgba(13,21,38,0.92) !important;
  border-color: rgba(56,189,248,0.18) !important;
  box-shadow: 0 6px 24px rgba(0,0,0,0.45) !important;
}

[data-theme="light"] .service-card:hover,
[data-theme="light"] .glass-card:hover,
[data-theme="light"] .blog-card:hover,
[data-theme="light"] .team-card:hover,
[data-theme="light"] .testimonial-card:hover,
[data-theme="light"] .process-step:hover {
  background: rgba(19,32,51,0.96) !important;
  border-color: rgba(56,189,248,0.55) !important;
}

/* ── Service icon: dark mode style ───────────────────────── */
[data-theme="light"] .service-icon {
  background: linear-gradient(135deg, rgba(56,189,248,0.18), rgba(129,140,248,0.18)) !important;
  border-color: rgba(56,189,248,0.35) !important;
  color: #38bdf8 !important;
}
[data-theme="light"] .service-icon svg { color: #38bdf8 !important; }

/* ── Section labels: electric blue ──────────────────────── */
[data-theme="light"] .section-label {
  background: rgba(56,189,248,0.14) !important;
  border-color: rgba(56,189,248,0.42) !important;
  color: #38bdf8 !important;
}

/* ── Stat numbers: electric gradient ─────────────────────── */
[data-theme="light"] .stat-number {
  background: linear-gradient(135deg,#38bdf8,#818cf8) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
}

/* ── Tech badges ─────────────────────────────────────────── */
[data-theme="light"] .tech-badge {
  background: rgba(56,189,248,0.12) !important;
  border-color: rgba(56,189,248,0.35) !important;
  color: #38bdf8 !important;
}

/* ── Navigation (light mode → dark nav) ──────────────────── */
[data-theme="light"] #site-header.scrolled {
  background: rgba(6,10,20,0.97) !important;
  border-bottom-color: rgba(56,189,248,0.14) !important;
  box-shadow: 0 4px 28px rgba(3,105,161,0.12) !important;
}
[data-theme="light"] .nav-link { color: #94a3b8 !important; }
[data-theme="light"] .nav-link:hover,
[data-theme="light"] .nav-link.active {
  color: #38bdf8 !important;
  background: rgba(56,189,248,0.12) !important;
}
[data-theme="light"] .nav-link::after { background: linear-gradient(90deg,#38bdf8,#818cf8) !important; }

[data-theme="light"] .atl-icon-btn {
  border-color: rgba(56,189,248,0.25) !important;
  color: #94a3b8 !important;
}
[data-theme="light"] .atl-icon-btn:hover {
  border-color: #38bdf8 !important;
  color: #38bdf8 !important;
  background: rgba(56,189,248,0.12) !important;
}

/* ── Buttons ─────────────────────────────────────────────── */
[data-theme="light"] .btn-primary {
  background: linear-gradient(135deg,#0284c7 0%,#4f46e5 100%) !important;
  box-shadow: 0 4px 20px rgba(56,189,248,0.35) !important;
}
[data-theme="light"] .btn-primary:hover {
  box-shadow: 0 10px 36px rgba(56,189,248,0.55) !important;
}
[data-theme="light"] .btn-outline {
  color: #38bdf8 !important;
  border-color: rgba(56,189,248,0.55) !important;
  background: transparent !important;
}
[data-theme="light"] .btn-outline:hover {
  background: rgba(56,189,248,0.12) !important;
  border-color: #38bdf8 !important;
}

/* ── Form inputs ─────────────────────────────────────────── */
[data-theme="light"] .form-input {
  background: #0d1526 !important;
  border-color: rgba(56,189,248,0.28) !important;
  color: #f1f5f9 !important;
}
[data-theme="light"] .form-input:focus {
  border-color: #38bdf8 !important;
  box-shadow: 0 0 0 3px rgba(56,189,248,0.22) !important;
}
[data-theme="light"] .form-input::placeholder { color: #64748b !important; }

/* ── Mobile menu: dark overlay ───────────────────────────── */
[data-theme="light"] #mobile-menu {
  background: rgba(6,10,20,0.98) !important;
  backdrop-filter: blur(20px) !important;
}
[data-theme="light"] .mobile-nav-link { color: #f1f5f9 !important; }
[data-theme="light"] .mobile-nav-link:hover { color: #38bdf8 !important; }
[data-theme="light"] .mobile-close-btn {
  border-color: rgba(56,189,248,0.28) !important;
  color: #94a3b8 !important;
}

/* ── Page loader ─────────────────────────────────────────── */
[data-theme="light"] #page-loader { background: #060a14 !important; }
[data-theme="light"] .loader-ring {
  border-color: rgba(56,189,248,0.18) !important;
  border-top-color: #38bdf8 !important;
}

/* ── Floating elements ───────────────────────────────────── */
[data-theme="light"] #float-contact {
  background: rgba(13,21,38,0.92) !important;
  border-color: rgba(56,189,248,0.28) !important;
  color: #f1f5f9 !important;
  box-shadow: 0 6px 28px rgba(0,0,0,0.55) !important;
}
[data-theme="light"] #float-contact:hover { color: #38bdf8 !important; }

[data-theme="light"] #theme-toggle-fab {
  background: #0d1526 !important;
  border-color: rgba(56,189,248,0.28) !important;
  box-shadow: 0 4px 20px rgba(56,189,248,0.18) !important;
}

/* ── Search modal ────────────────────────────────────────── */
[data-theme="light"] #search-modal {
  background: rgba(6,10,20,0.97) !important;
  backdrop-filter: blur(20px) !important;
}
[data-theme="light"] #search-modal input {
  background: #0d1526 !important;
  border-color: rgba(56,189,248,0.45) !important;
  color: #f1f5f9 !important;
}
[data-theme="light"] #search-modal input::placeholder { color: #64748b !important; }

/* ── Cookie banner ───────────────────────────────────────── */
[data-theme="light"] #cookie-banner {
  background: #0a1020 !important;
  border-color: rgba(56,189,248,0.22) !important;
  box-shadow: 0 8px 40px rgba(0,0,0,0.55) !important;
}
[data-theme="light"] #cookie-banner p,
[data-theme="light"] #cookie-banner .al { color: #94a3b8 !important; }

/* ── Grid overlay: always dark-mode values ───────────────── */
[data-theme="light"] .grid-bg {
  background-image:
    linear-gradient(rgba(56,189,248,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,0.05) 1px, transparent 1px) !important;
}

/* ── Logo: always show dark-mode logo in hero aesthetic ──── */
[data-theme="light"] .atl-logo-light { display: none !important; }
[data-theme="light"] .atl-logo-dark  { display: block !important; }

/* ── Entry content (blog / single) ──────────────────────── */
[data-theme="light"] .entry-content        { color: #94a3b8 !important; }
[data-theme="light"] .entry-content h2,
[data-theme="light"] .entry-content h3,
[data-theme="light"] .entry-content h4     { color: #f8fafc !important; }
[data-theme="light"] .entry-content a      { color: #38bdf8 !important; }
[data-theme="light"] .entry-content strong { color: #f8fafc !important; }
[data-theme="light"] .entry-content code   { background: rgba(56,189,248,0.12) !important; color: #38bdf8 !important; }
[data-theme="light"] .entry-content pre    { background: #0d1526 !important; color: #f1f5f9 !important; border-color: rgba(56,189,248,0.18) !important; }
[data-theme="light"] .entry-content blockquote { background: rgba(56,189,248,0.08) !important; border-left-color: #38bdf8 !important; }

/* ── Hero inner-page banner ──────────────────────────────── */
[data-theme="light"] .hero-glow { opacity: 0.20 !important; }

/* ── Filter buttons ──────────────────────────────────────── */
[data-theme="light"] .filter-btn {
  border-color: rgba(56,189,248,0.25) !important;
  color: #94a3b8 !important;
  background: rgba(56,189,248,0.06) !important;
}
[data-theme="light"] .filter-btn:hover,
[data-theme="light"] .filter-btn.active {
  background: linear-gradient(135deg,#0284c7,#4f46e5) !important;
  color: #ffffff !important;
}

/* ── Portfolio overlay ───────────────────────────────────── */
[data-theme="light"] .portfolio-overlay {
  background: linear-gradient(to top, rgba(2,6,23,0.97) 0%, transparent 65%) !important;
}

/* ── Scrollbar ───────────────────────────────────────────── */
[data-theme="light"] ::-webkit-scrollbar-track { background: #0a1020 !important; }
[data-theme="light"] ::-webkit-scrollbar-thumb { background: #38bdf8 !important; }

/* ── Archive pagination ───────────────────────────────────── */
[data-theme="light"] .archive-pagination a,
[data-theme="light"] .archive-pagination span {
  border-color: rgba(3,105,161,0.24);
  color: var(--color-text-muted);
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(3,105,161,0.08);
}
[data-theme="light"] .archive-pagination a:hover {
  border-color: #0369a1;
  color: #0369a1;
  background: rgba(3,105,161,0.08);
}
[data-theme="light"] .archive-pagination .current {
  background: linear-gradient(135deg,#0369a1,#4f46e5);
  border-color: transparent;
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(3,105,161,0.42);
}

/* ── Team avatar ──────────────────────────────────────────── */
[data-theme="light"] .team-avatar { border-color: rgba(3,105,161,0.38); }
[data-theme="light"] .team-avatar::after { background: linear-gradient(135deg,#0369a1,#4f46e5); }

/* ── Service icon ─────────────────────────────────────────── */
[data-theme="light"] .service-icon {
  background: rgba(3,105,161,0.10);
  border-color: rgba(3,105,161,0.28);
}
[data-theme="light"] .service-card:hover .service-icon {
  background: rgba(3,105,161,0.18);
  border-color: rgba(3,105,161,0.50);
  box-shadow: 0 4px 16px rgba(3,105,161,0.26);
}

/* ── Reading progress bar ─────────────────────────────────── */
[data-theme="light"] #reading-progress {
  background: linear-gradient(90deg,#0369a1,#4f46e5);
}

/* ── TOC links ────────────────────────────────────────────── */
[data-theme="light"] .toc-link { color: #94a3b8 !important; }
[data-theme="light"] .toc-link:hover,
[data-theme="light"] .toc-link.active { color: #38bdf8 !important; }

/* ── Footer links ─────────────────────────────────────────── */
[data-theme="light"] .footer-link { color: #94a3b8 !important; }
[data-theme="light"] .footer-link:hover { color: #38bdf8 !important; }

/* ── Smooth theme transitions ─────────────────────────────── */
body, #site-header, section, footer, .glass-card, .service-card,
.blog-card, .team-card, .testimonial-card, .process-step,
.form-input, #cookie-banner, #search-modal, #float-contact,
#mobile-menu, .nav-link, .btn-outline, .tech-badge, .filter-btn,
.atl-icon-btn, .atl-hamburger, .section-label {
  transition:
    background-color 0.3s ease,
    border-color     0.3s ease,
    color            0.25s ease,
    box-shadow       0.3s ease;
}
img, video, canvas, svg, .btn-primary, .portfolio-item,
.loader-ring, .hero-glow, #theme-toggle-fab { transition: none !important; }

/* ============================================================
   GLOBAL VISIBILITY FIXES
   Catch inline CSS variable references that would be invisible
   on the forced-dark background.
   ============================================================ */

/* Base link colour — ensure bare <a> tags are always readable */
a { color: var(--color-primary); }

/* In light mode forced-dark context: use electric blue for bare links */
[data-theme="light"] a { color: #38bdf8; }

/* Buttons always stay white — prevent bare-link override */
.btn-primary,
[data-theme="light"] .btn-primary { color: #ffffff !important; }

/* Inline color:var(--color-heading) on non-heading elements in light mode
   resolves to #020617 (near-black) — force to near-white */
[data-theme="light"] [style*="color:var(--color-heading)"],
[data-theme="light"] [style*="color: var(--color-heading)"] {
  color: #f8fafc !important;
}

/* Inline color:var(--color-dark) anywhere resolves to #060a14 in dark mode
   (near-black on dark bg) — keep readable */
[style*="color:var(--color-dark)"],
[style*="color: var(--color-dark)"] {
  color: #fff !important;
}

/* Gradient-button / badge text that still uses var(--color-dark) via CSS class */
.archive-pagination .current { color: #fff !important; }

/* Inline color:var(--color-text) on light-mode elements — force to readable */
[data-theme="light"] [style*="color:var(--color-text)"],
[data-theme="light"] [style*="color: var(--color-text)"] {
  color: #f1f5f9 !important;
}

/* ── Mobile nav active state ──────────────────────────────── */
.mobile-nav-link.active {
  color: var(--color-primary) !important;
}
[data-theme="light"] .mobile-nav-link.active { color: #38bdf8 !important; }

/* ── Print ────────────────────────────────────────────────── */
@media print {
  #site-header, #back-to-top, #float-contact, #cookie-banner,
  .hero-glow, #page-loader, #theme-toggle-fab { display: none !important; }
  [data-theme="light"] body { background: #fff; color: #000; }
  [data-theme="dark"]  body { background: #fff; color: #000; }
  .entry-content { color: #111; }
}

/* ── Focus visible (accessibility) ───────────────────────── */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 4px;
}