/* ============================================================
   Microbio — Modern Enhancement Layer
   Stacks on top of Bootstrap 3 + style.css
   ============================================================ */

/* ── CSS Custom Properties ── */
:root {
  --primary:        #2563eb;
  --primary-dark:   #1d4ed8;
  --secondary:      #10b981;
  --secondary-dark: #059669;
  --accent:         #f59e0b;
  --danger:         #ef4444;

  --text-dark:   #1e293b;
  --text-mid:    #64748b;
  --text-light:  #94a3b8;

  --bg-white:    #ffffff;
  --bg-soft:     #f8fafc;
  --bg-dark:     #0f172a;
  --bg-dark-2:   #1e293b;

  --border:      #e2e8f0;

  --shadow-xs:  0 1px 2px  rgba(0,0,0,.06);
  --shadow-sm:  0 1px 3px  rgba(0,0,0,.10), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:  0 4px 6px  rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.05);
  --shadow-lg:  0 10px 15px rgba(0,0,0,.10), 0 4px 6px rgba(0,0,0,.05);
  --shadow-xl:  0 20px 25px rgba(0,0,0,.10), 0 10px 10px rgba(0,0,0,.04);
  --shadow-2xl: 0 25px 50px rgba(0,0,0,.25);

  --radius-sm: 8px;
  --radius:    12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --ease: cubic-bezier(.4,0,.2,1);
  --transition: all .3s var(--ease);
}

/* Dark-mode via data attribute (set by JS toggle) */
[data-theme="dark"] {
  --text-dark:   #f1f5f9;
  --text-mid:    #94a3b8;
  --text-light:  #64748b;
  --bg-white:    #1e293b;
  --bg-soft:     #0f172a;
  --border:      #334155;
}

[data-theme="dark"] body  { background: var(--bg-soft); color: var(--text-dark); }
[data-theme="dark"] .greywrap  { background: #1a2535; border-color: #2d3f55; }
[data-theme="dark"] .container .row.white,
[data-theme="dark"] .container .row.white h1,
[data-theme="dark"] .container .row.white p { color: var(--text-dark); }
[data-theme="dark"] .blog-bg  { background: var(--bg-white); }
[data-theme="dark"] .blog-content h2,
[data-theme="dark"] .blog-content p { color: var(--text-dark); }
[data-theme="dark"] .form-control { background: #253045; color: #e2e8f0; border-color: #334155 !important; }

/* ── Base enhancements ── */
html { scroll-behavior: smooth; }

::-webkit-scrollbar       { width: 8px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: linear-gradient(180deg, var(--primary), var(--secondary)); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: linear-gradient(180deg, var(--primary-dark), var(--secondary-dark)); }

::selection { background: rgba(37,99,235,.2); color: var(--primary-dark); }

a { transition: color .2s var(--ease); }

/* ── Skip link for accessibility ── */
.skip-link {
  position: absolute; top: -48px; left: 12px;
  background: var(--primary); color: #fff;
  padding: 8px 16px; border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  font-weight: 600; z-index: 99999; text-decoration: none;
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 0; }

/* ── Reading Progress Bar ── */
#progress-bar {
  position: fixed; top: 0; left: 0;
  width: 0%; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  z-index: 99999;
  transition: width .08s linear;
  pointer-events: none;
}

/* ── Page Loader ── */
#page-loader {
  position: fixed; inset: 0;
  background: #0f172a;
  display: flex; align-items: center; justify-content: center; flex-direction: column;
  z-index: 99998;
  transition: opacity .5s var(--ease), visibility .5s var(--ease);
}
#page-loader.hidden { opacity: 0; visibility: hidden; }
.loader-logo { width: 80px; margin-bottom: 24px; animation: loaderPulse 1.2s ease-in-out infinite; }
.loader-spinner {
  width: 48px; height: 48px;
  border: 3px solid rgba(37,99,235,.25);
  border-top-color: var(--secondary);
  border-radius: 50%;
  animation: spin .9s linear infinite;
}
@keyframes spin        { to { transform: rotate(360deg); } }
@keyframes loaderPulse { 0%,100% { opacity: .6; transform: scale(.95); } 50% { opacity: 1; transform: scale(1.05); } }

/* ── Navbar ── */
.navbar-default {
  backdrop-filter: blur(0px) saturate(180%);
  -webkit-backdrop-filter: blur(0px) saturate(180%);
  transition: background-color .4s var(--ease), box-shadow .4s var(--ease), backdrop-filter .4s var(--ease) !important;
}

.navbar-default.solid {
  background-color: rgba(255,255,255,.93) !important;
  backdrop-filter: blur(18px) saturate(200%);
  -webkit-backdrop-filter: blur(18px) saturate(200%);
  box-shadow: 0 2px 24px rgba(0,0,0,.08) !important;
}

/* Dark mode navbar */
[data-theme="dark"] .navbar-default.solid {
  background-color: rgba(15,23,42,.93) !important;
  box-shadow: 0 2px 24px rgba(0,0,0,.4) !important;
}
[data-theme="dark"] .navbar-default.solid .navbar-nav > li > a { color: #e2e8f0 !important; }
[data-theme="dark"] .navbar-default.solid .navbar-nav > li > a:hover { color: var(--secondary) !important; }
[data-theme="dark"] .dropdown-menu { background: #253045; border-color: #334155; }
[data-theme="dark"] .dropdown-menu > li > a { color: #e2e8f0; }
[data-theme="dark"] .dropdown-menu > li > a:hover { background: var(--primary); color: #fff; }

/* Dark-mode toggle button */
#dark-mode-toggle {
  background: none; border: 2px solid rgba(255,255,255,.4);
  border-radius: 50%; width: 36px; height: 36px; line-height: 32px;
  text-align: center; cursor: pointer; font-size: 16px;
  transition: var(--transition); margin-left: 8px; vertical-align: middle;
}
#dark-mode-toggle:hover { border-color: var(--secondary); transform: rotate(20deg); }
.navbar-default.solid #dark-mode-toggle { border-color: rgba(0,0,0,.25); }

/* ── Scroll-to-Top button ── */
#scroll-top {
  position: fixed; bottom: 28px; right: 28px;
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border: none; border-radius: 50%; color: #fff; font-size: 18px;
  cursor: pointer; box-shadow: var(--shadow-lg);
  transition: var(--transition);
  opacity: 0; transform: translateY(16px); z-index: 1000;
  display: flex; align-items: center; justify-content: center;
}
#scroll-top.visible { opacity: 1; transform: translateY(0); }
#scroll-top:hover   { transform: translateY(-4px); box-shadow: var(--shadow-2xl); }
@media (max-width: 768px) {
  #scroll-top { bottom: 18px; right: 18px; width: 42px; height: 42px; font-size: 15px; }
}

/* ── Hero section ── */
#headerwrap { position: relative; overflow: hidden; }

#hero-bg {
  position: absolute; inset: 0; z-index: 0;
  /* Fallback if JS slideshow fails */
  background: url('../images/bg1.jpg') center/cover no-repeat;
}

.hero-slide {
  position: absolute; inset: 0;
  background-size: cover; background-position: center; background-repeat: no-repeat;
  opacity: 0;
  transition: opacity 1.5s var(--ease);
}
.hero-slide.active { opacity: 1; }

/* Semi-transparent overlay for readability */
#hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(
    160deg,
    rgba(0,0,0,.55) 0%,
    rgba(0,0,0,.25) 50%,
    rgba(0,0,0,.50) 100%
  );
}

#headerwrap > header {
  position: relative; z-index: 2;
}

/* Hero typography boost */
#headerwrap h1 {
  font-size: clamp(3rem, 10vw, 7rem) !important;
  font-weight: 800 !important;
  letter-spacing: 6px !important;
  text-shadow: 0 2px 30px rgba(0,0,0,.4) !important;
  background: linear-gradient(135deg, #fff 0%, #b8d4ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

#headerwrap p {
  font-size: clamp(1rem, 3vw, 1.5rem) !important;
  font-weight: 300 !important;
  letter-spacing: 4px !important;
  text-shadow: 0 1px 12px rgba(0,0,0,.6) !important;
  color: rgba(255,255,255,.92) !important;
}

/* Hero CTA button */
.homebtn {
  background: linear-gradient(135deg, var(--primary), var(--secondary)) !important;
  border: none !important;
  border-radius: 50px !important;
  padding: 14px 42px !important;
  font-size: 1rem !important;
  font-weight: 700 !important;
  letter-spacing: .08em !important;
  text-transform: uppercase !important;
  color: #fff !important;
  box-shadow: 0 4px 20px rgba(37,99,235,.45) !important;
  transition: var(--transition) !important;
}
.homebtn:hover { transform: translateY(-3px) !important; box-shadow: 0 10px 30px rgba(37,99,235,.55) !important; }

/* ── Services / Essence ── */
.callout {
  border-radius: var(--radius) !important;
  transition: var(--transition);
  padding: 24px 16px;
}
.callout:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); }

.service-icon-wrapper {
  background: linear-gradient(135deg, var(--primary), var(--secondary)) !important;
  box-shadow: 0 8px 20px rgba(37,99,235,.35);
  transition: var(--transition);
}
.callout:hover .service-icon-wrapper { transform: scale(1.12) rotate(6deg); }

.service-info h2 { font-weight: 700; color: var(--text-dark); }

/* ── About section ── */
.container .row.white { padding: 20px 0; }

/* Section headings underline accent */
.centered h1 {
  position: relative; display: inline-block; padding-bottom: 16px;
}
.centered h1::after {
  content: '';
  position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 56px; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
}

/* ── Statistics divider ── */
.section-divider .counter {
  font-size: clamp(2rem, 6vw, 3.5rem) !important;
  font-weight: 800 !important;
  color: #fff !important;
  background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,.75) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block; line-height: 1;
}
.counter-desc {
  font-size: .85rem !important;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.75) !important;
  display: block; margin-top: 6px;
}

/* ── Team testimonials (opinions) ── */
.team-image {
  border: 3px solid var(--primary) !important;
  box-shadow: 0 4px 16px rgba(37,99,235,.2);
  transition: var(--transition);
}
.team-image:hover { border-color: var(--secondary) !important; box-shadow: 0 8px 28px rgba(16,185,129,.3); }
.team-info h4 { font-weight: 700; color: var(--text-dark); }

/* ── Portfolio grid ── */
.grid.mask figure {
  border-radius: var(--radius) !important;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}
.grid.mask figure:hover { box-shadow: var(--shadow-xl); transform: translateY(-6px); }

.grid.mask figcaption {
  background: linear-gradient(to top, rgba(37,99,235,.96) 0%, rgba(16,185,129,.82) 100%) !important;
  border-radius: 0 0 var(--radius) var(--radius) !important;
}
.grid.mask figcaption h5 { font-weight: 700; letter-spacing: .05em; }

/* Owl Carousel arrows */
.owl-controls .owl-buttons div {
  background: linear-gradient(135deg, var(--primary), var(--secondary)) !important;
  border-radius: 50% !important;
  width: 40px; height: 40px; line-height: 40px !important;
  opacity: 1 !important;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}
.owl-controls .owl-buttons div:hover { transform: scale(1.12); box-shadow: var(--shadow-lg); }

/* ── Blog cards ── */
.blog-bg {
  border-radius: var(--radius) !important;
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  margin-bottom: 30px !important;
}
.blog-bg:hover { box-shadow: var(--shadow-xl); transform: translateY(-4px); }

.img-wrapper { overflow: hidden; }
.img-wrapper img { transition: transform .55s var(--ease); }
.img-wrapper:hover img { transform: scale(1.06); }

.blog-content h2 { font-weight: 700; color: var(--text-dark); }

/* ── Buttons ── */
.btn-success {
  background: linear-gradient(135deg, var(--secondary), var(--secondary-dark)) !important;
  border: none !important; border-radius: 50px !important;
  padding: 10px 28px !important; font-weight: 700 !important;
  letter-spacing: .04em !important; transition: var(--transition) !important;
  box-shadow: 0 3px 12px rgba(16,185,129,.35) !important;
}
.btn-success:hover { transform: translateY(-2px) !important; box-shadow: 0 8px 24px rgba(16,185,129,.50) !important; }

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
  border: none !important; border-radius: 8px !important;
  font-weight: 600 !important; transition: var(--transition) !important;
}
.btn-primary:hover { transform: translateY(-2px) !important; box-shadow: 0 6px 20px rgba(37,99,235,.45) !important; }

/* ── Contact form ── */
.form-control {
  border-radius: var(--radius-sm) !important;
  border: 2px solid var(--border) !important;
  padding: 12px 16px !important;
  font-size: .95rem !important;
  transition: var(--transition) !important;
  box-shadow: none !important;
}
.form-control:focus {
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 3px rgba(37,99,235,.15) !important;
  outline: none !important;
}
.form-control.is-invalid  { border-color: var(--danger) !important; }
.form-control.is-valid    { border-color: var(--secondary) !important; }

/* Form validation inline message */
.field-error { color: var(--danger); font-size: .8rem; margin-top: 4px; display: none; }
.field-error.show { display: block; }

/* ── Footer ── */
#footerwrap { background: linear-gradient(160deg, #1e293b 0%, #0f172a 100%); }

#footer-social li a { transition: var(--transition); }
#footer-social li a:hover { color: var(--secondary) !important; transform: translateY(-4px); display: inline-block; }

.btt-link {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  width: 44px; height: 44px; line-height: 44px !important;
  display: inline-flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  font-size: 18px;
}
.btt-link:hover { transform: translateY(-4px); box-shadow: var(--shadow-xl); }

/* ── Scroll-triggered animations (replaces jQuery InView) ── */
.fade-up,
.fade-down,
.service-icon-wrapper,
.team-image-wrapper {
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}

/* Initial hidden state (used by IntersectionObserver) */
.anim-ready.fade-up  { opacity: 0; transform: translateY(36px); }
.anim-ready.fade-down { opacity: 0; transform: translateY(-36px); }
.anim-ready.service-icon-wrapper,
.anim-ready.team-image-wrapper { opacity: 0; transform: scale(.8); }

.anim-ready.is-visible {
  opacity: 1 !important;
  transform: none !important;
  animation: none !important;
}

/* ── Responsive tweaks ── */
@media (max-width: 767px) {
  #headerwrap h1 { letter-spacing: 3px !important; }
  #headerwrap p  { letter-spacing: 1px !important; font-size: 1rem !important; }
  .blog-bg { margin-bottom: 20px !important; }
  .callout { padding: 16px 8px; }
  #dark-mode-toggle { margin-top: 10px; }
}

/* ── Accessibility focus rings ── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 3px;
}

/* ── Gradient text utility ── */
.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* COVID section – remove deprecated <font> look */
.covid-headline { color: #1e293b; }
.covid-highlight { color: #ef4444; font-weight: 700; }
[data-theme="dark"] .covid-headline { color: #e2e8f0; }