/* Openswift Solutions — Modern CSS */

/* ─── Custom Properties ─────────────────────────────────────────── */
:root {
  --brand:        #0bb586;
  --brand-dark:   #089c72;
  --brand-light:  #e6f9f4;
  --dark:         #0f172a;
  --slate:        #1e293b;
  --text:         #334155;
  --muted:        #64748b;
  --border:       #e2e8f0;
  --surface:      #f8fafc;
  --white:        #ffffff;
  --radius:       0.75rem;
  --shadow-sm:    0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:    0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:    0 10px 40px rgba(0,0,0,.14);
  --transition:   0.25s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  color: var(--dark);
  line-height: 1.25;
}

a {
  color: var(--brand);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--brand-dark); }

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

/* ─── Utilities ──────────────────────────────────────────────────── */
.text-brand    { color: var(--brand) !important; }
.bg-brand      { background-color: var(--brand) !important; }
.bg-surface    { background-color: var(--surface) !important; }
.bg-dark-slate { background-color: var(--slate) !important; }

.section-pad { padding: 5rem 0; }
.section-pad-sm { padding: 3rem 0; }

.section-label {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: .5rem;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 1rem;
}

.section-sub {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

.divider-brand {
  width: 3rem;
  height: 3px;
  background: var(--brand);
  border-radius: 2px;
  margin: 1rem auto 2rem;
}
.divider-brand.left { margin-left: 0; }

/* ─── Navbar ─────────────────────────────────────────────────────── */
.os-navbar {
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
  padding: .5rem 0;
  background: transparent;
}

.os-navbar.scrolled {
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  padding: .6rem 0;
}

.os-navbar .navbar-brand img {
  height: 90px;
  width: auto;
  max-width: 220px;
  transition: height var(--transition), filter var(--transition);
  /* invert to white when sitting over the dark hero */
  filter: brightness(0) invert(1);
}

.os-navbar.scrolled .navbar-brand img,
.os-navbar.solid .navbar-brand img {
  height: 72px;
  /* restore original colours once navbar background is white */
  filter: none;
}

.os-navbar .nav-link {
  font-weight: 500;
  font-size: .925rem;
  color: rgba(255,255,255,.9);
  padding: .5rem .9rem;
  position: relative;
  transition: color var(--transition);
}

.os-navbar.scrolled .nav-link { color: var(--text); }

.os-navbar .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: .9rem;
  right: .9rem;
  height: 2px;
  background: var(--brand);
  transform: scaleX(0);
  transition: transform var(--transition);
  border-radius: 1px;
}

.os-navbar .nav-link:hover::after,
.os-navbar .nav-link.active::after { transform: scaleX(1); }

.os-navbar .nav-link:hover,
.os-navbar .nav-link.active {
  color: var(--brand);
}

.os-navbar.scrolled .navbar-toggler { border-color: var(--border); }

.os-navbar .navbar-toggler:focus { box-shadow: none; }

/* On inner pages where navbar is always solid */
.os-navbar.solid {
  background: var(--white) !important;
  box-shadow: var(--shadow-sm);
}
.os-navbar.solid .nav-link { color: var(--text); }

/* Top info bar */
.os-topbar {
  background: var(--slate);
  color: rgba(255,255,255,.7);
  font-size: .8rem;
  padding: .45rem 0;
}
.os-topbar a { color: rgba(255,255,255,.75); }
.os-topbar a:hover { color: var(--brand); }
.os-topbar .divider { margin: 0 .75rem; opacity: .3; }

.os-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  color: rgba(255,255,255,.8);
  margin-left: .3rem;
  font-size: .8rem;
  transition: background var(--transition), color var(--transition);
}
.os-social a:hover {
  background: var(--brand);
  color: var(--white);
}

/* ─── Page Banner ─────────────────────────────────────────────────── */
.page-banner {
  background: linear-gradient(135deg, var(--slate) 0%, var(--dark) 100%);
  padding: 4rem 0 3rem;
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/slide-02-bg.jpg') center/cover no-repeat;
  opacity: .08;
}
.page-banner .page-title {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  color: var(--white);
  font-weight: 700;
  margin-bottom: .25rem;
}
.page-banner .page-subtitle { color: rgba(255,255,255,.6); font-size: .9rem; }

.os-breadcrumb {
  display: flex;
  align-items: center;
  gap: .5rem;
  list-style: none;
  padding: 0;
  margin: 0;
  justify-content: flex-end;
}
.os-breadcrumb li { color: rgba(255,255,255,.55); font-size: .875rem; }
.os-breadcrumb li a { color: rgba(255,255,255,.75); }
.os-breadcrumb li a:hover { color: var(--brand); }
.os-breadcrumb li + li::before {
  content: '/';
  margin-right: .5rem;
  opacity: .4;
}

/* ─── Hero ───────────────────────────────────────────────────────── */
.os-hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
}

.os-hero .carousel,
.os-hero .carousel-inner,
.os-hero .carousel-item { height: 100%; }

.os-hero .carousel-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.os-hero .carousel-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(15,23,42,.65) 0%, rgba(15,23,42,.45) 60%, rgba(15,23,42,.7) 100%);
}

.os-hero .carousel-caption {
  top: 50%;
  transform: translateY(-50%);
  bottom: auto;
  left: 50%;
  right: auto;
  width: 90%;
  max-width: 800px;
  transform: translate(-50%, -50%);
  text-align: center;
  z-index: 2;
}

.os-hero .caption-label {
  display: inline-block;
  background: var(--brand);
  color: var(--white);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: .35rem 1rem;
  border-radius: 2rem;
  margin-bottom: 1.25rem;
  animation: fadeInDown .8s ease both;
}

.os-hero h1 {
  color: var(--white);
  font-size: clamp(2rem, 5vw, 3.75rem);
  font-weight: 700;
  margin-bottom: 1.25rem;
  animation: fadeInUp .9s ease .15s both;
}

.os-hero .hero-sub {
  color: rgba(255,255,255,.85);
  font-size: clamp(1rem, 2vw, 1.2rem);
  margin-bottom: 2rem;
  animation: fadeInUp .9s ease .25s both;
}

.os-hero .hero-actions {
  animation: fadeInUp .9s ease .35s both;
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.os-hero .carousel-indicators {
  z-index: 3;
  bottom: 2rem;
}
.os-hero .carousel-indicators [data-bs-target] {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,.5);
  transition: background var(--transition), transform var(--transition);
}
.os-hero .carousel-indicators .active {
  background: var(--brand);
  transform: scale(1.3);
}

.os-hero .carousel-control-prev,
.os-hero .carousel-control-next {
  width: 3rem;
  height: 3rem;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 50%;
  top: 50%;
  transform: translateY(-50%);
  opacity: .8;
  transition: all var(--transition);
}
.os-hero .carousel-control-prev { left: 1.5rem; }
.os-hero .carousel-control-next { right: 1.5rem; }
.os-hero .carousel-control-prev:hover,
.os-hero .carousel-control-next:hover {
  background: var(--brand);
  border-color: var(--brand);
  opacity: 1;
}
.os-hero .carousel-control-prev-icon,
.os-hero .carousel-control-next-icon { width: 1rem; height: 1rem; }

/* ─── Buttons ─────────────────────────────────────────────────────── */
.btn-brand {
  background: var(--brand);
  color: var(--white);
  border: 2px solid var(--brand);
  font-weight: 600;
  padding: .75rem 1.75rem;
  border-radius: 3rem;
  font-size: .925rem;
  transition: all var(--transition);
}
.btn-brand:hover {
  background: var(--brand-dark);
  border-color: var(--brand-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(11,181,134,.35);
}

.btn-outline-brand {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,.6);
  font-weight: 600;
  padding: .75rem 1.75rem;
  border-radius: 3rem;
  font-size: .925rem;
  transition: all var(--transition);
}
.btn-outline-brand:hover {
  background: var(--white);
  color: var(--brand);
  border-color: var(--white);
  transform: translateY(-2px);
}

/* ─── Service Cards ─────────────────────────────────────────────── */
.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  height: 100%;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--brand);
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  width: 60px;
  height: 60px;
  background: var(--brand-light);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
  color: var(--brand);
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.service-card:hover .service-icon {
  background: var(--brand);
  color: var(--white);
  transform: scale(1.05);
}

.service-card h5 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: .6rem;
}
.service-card p { color: var(--muted); font-size: .925rem; margin: 0; }

/* ─── Stats Bar ───────────────────────────────────────────────────── */
.os-stats {
  background: var(--slate);
  padding: 3rem 0;
}
.stat-item { text-align: center; }
.stat-number {
  font-family: 'Poppins', sans-serif;
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--brand);
  line-height: 1;
  margin-bottom: .25rem;
}
.stat-label { color: rgba(255,255,255,.6); font-size: .875rem; }

/* ─── About ──────────────────────────────────────────────────────── */
.about-img-wrap {
  position: relative;
}
.about-img-wrap img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}
.about-badge {
  position: absolute;
  bottom: -1.5rem;
  right: -1.5rem;
  background: var(--brand);
  color: var(--white);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-md);
}
.about-badge .badge-num {
  display: block;
  font-family: 'Poppins', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}
.about-badge .badge-text { font-size: .8rem; opacity: .9; }

/* Skill progress bars */
.os-skill { margin-bottom: 1.25rem; }
.os-skill-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: .4rem;
  font-size: .9rem;
  font-weight: 500;
}
.os-progress {
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}
.os-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--brand), var(--brand-dark));
  border-radius: 3px;
  width: 0;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── Accordion ──────────────────────────────────────────────────── */
.os-accordion .accordion-item {
  border: 1px solid var(--border);
  border-radius: var(--radius) !important;
  margin-bottom: .5rem;
  overflow: hidden;
}
.os-accordion .accordion-button {
  font-weight: 600;
  font-size: .95rem;
  color: var(--dark);
  background: var(--white);
}
.os-accordion .accordion-button:not(.collapsed) {
  background: var(--brand-light);
  color: var(--brand-dark);
  box-shadow: none;
}
.os-accordion .accordion-button::after {
  filter: none;
}
.os-accordion .accordion-button:not(.collapsed)::after {
  filter: none;
}
.os-accordion .accordion-button i {
  margin-right: .75rem;
  color: var(--brand);
}
.os-accordion .accordion-body {
  font-size: .925rem;
  color: var(--muted);
}

/* ─── Feature List Cards ─────────────────────────────────────────── */
.feature-card {
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: box-shadow var(--transition);
  height: 100%;
}
.feature-card:hover { box-shadow: var(--shadow-md); }
.feature-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--brand-light);
  border-radius: .5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand);
  font-size: 1.1rem;
}
.feature-card h6 { font-weight: 600; margin-bottom: .4rem; font-size: .95rem; }
.feature-card ul {
  list-style: disc;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: .875rem;
  margin: 0;
}
.feature-card p { color: var(--muted); font-size: .875rem; margin: 0; }

/* ─── Technology Grid ────────────────────────────────────────────── */
.tech-category { margin-bottom: 3rem; }

.tech-category-title {
  font-size: .875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--muted);
  margin-bottom: 1.5rem;
  padding-bottom: .75rem;
  border-bottom: 2px solid var(--border);
  display: flex;
  align-items: center;
  gap: .6rem;
}
.tech-category-title i { font-size: 1rem; }

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .9rem;
  padding: 1.75rem 1rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  cursor: default;
}
.tech-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--brand);
}

.tech-item-icon {
  width: 60px;
  height: 60px;
  border-radius: .75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  transition: transform var(--transition);
}
.tech-item:hover .tech-item-icon { transform: scale(1.1); }

/* per-category icon colours */
.tech-item-icon.cloud    { background: #eff6ff; color: #2563eb; }
.tech-item-icon.frontend { background: #fffbeb; color: #d97706; }
.tech-item-icon.mobile   { background: #f5f3ff; color: #7c3aed; }
.tech-item-icon.backend  { background: var(--brand-light); color: var(--brand); }

.tech-item-name {
  font-size: .875rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}
.tech-item-sub {
  font-size: .75rem;
  color: var(--muted);
  margin-top: .1rem;
}

/* per-category icon colour — AI */
.tech-item-icon.ai { background: #fdf4ff; color: #7e22ce; }

/* ─── AI & Automation Section ────────────────────────────────────── */
.ai-section {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 55%, #0c2d23 100%);
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}
.ai-section::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -5%;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(11,181,134,.12) 0%, transparent 70%);
  pointer-events: none;
}
.ai-section::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(124,58,237,.08) 0%, transparent 70%);
  pointer-events: none;
}
.ai-use-case {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.ai-use-case-icon {
  width: 44px;
  height: 44px;
  background: rgba(11,181,134,.12);
  border: 1px solid rgba(11,181,134,.25);
  border-radius: .5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand);
  flex-shrink: 0;
  font-size: 1rem;
  transition: background var(--transition), border-color var(--transition);
}
.ai-use-case:hover .ai-use-case-icon {
  background: rgba(11,181,134,.25);
  border-color: var(--brand);
}
.ai-use-case-title {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  color: var(--white);
  font-size: .95rem;
  margin-bottom: .2rem;
}
.ai-use-case-desc { color: rgba(255,255,255,.6); font-size: .875rem; margin: 0; }

.ai-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 320px;
}
.ai-visual-ring {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  border: 1px solid rgba(11,181,134,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.ai-visual-ring::before {
  content: '';
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  border: 1px dashed rgba(11,181,134,.12);
  animation: spin-slow 20s linear infinite;
}
.ai-visual-ring::after {
  content: '';
  position: absolute;
  inset: -40px;
  border-radius: 50%;
  border: 1px dashed rgba(11,181,134,.07);
  animation: spin-slow 30s linear infinite reverse;
}
.ai-visual-inner {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(11,181,134,.1);
  border: 1px solid rgba(11,181,134,.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  color: var(--brand);
}
.ai-orbit-dot {
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--brand);
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(11,181,134,.8);
}
.ai-tech-pill {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 2rem;
  padding: .4rem .9rem;
  font-size: .8rem;
  color: rgba(255,255,255,.8);
  margin: .25rem;
  transition: all var(--transition);
}
.ai-tech-pill i { color: var(--brand); }
.ai-tech-pill:hover {
  background: rgba(11,181,134,.15);
  border-color: rgba(11,181,134,.4);
  color: var(--white);
}
@keyframes spin-slow { to { transform: rotate(360deg); } }

/* ─── Contact ────────────────────────────────────────────────────── */
.contact-info-card {
  background: var(--slate);
  border-radius: var(--radius);
  padding: 2.5rem;
  color: var(--white);
  height: 100%;
}
.contact-info-card h4 { color: var(--white); margin-bottom: 1.5rem; }
.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.contact-detail-icon {
  width: 40px;
  height: 40px;
  background: rgba(11,181,134,.2);
  border-radius: .5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand);
  flex-shrink: 0;
  font-size: .95rem;
}
.contact-detail-text { font-size: .9rem; color: rgba(255,255,255,.8); }
.contact-detail-text strong { display: block; color: var(--white); font-size: .8rem; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; margin-bottom: .1rem; }

.contact-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 50%;
  color: rgba(255,255,255,.7);
  margin-right: .5rem;
  font-size: .9rem;
  transition: all var(--transition);
}
.contact-social a:hover {
  background: var(--brand);
  border-color: var(--brand);
  color: var(--white);
}

/* Form */
.os-form .form-control,
.os-form .form-select {
  border: 1px solid var(--border);
  border-radius: .5rem;
  padding: .75rem 1rem;
  font-size: .925rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.os-form .form-control:focus,
.os-form .form-select:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(11,181,134,.15);
}
.os-form label { font-weight: 500; font-size: .875rem; margin-bottom: .4rem; color: var(--text); }
.os-form textarea { resize: vertical; min-height: 140px; }
#form-status { font-size: .9rem; padding: .75rem 1rem; border-radius: .5rem; display: none; }
#form-status.success { background: #d1fae5; color: #065f46; display: block; }
#form-status.error   { background: #fee2e2; color: #991b1b; display: block; }

/* Map */
.map-frame {
  width: 100%;
  height: 380px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.map-frame iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ─── Footer ─────────────────────────────────────────────────────── */
.os-footer {
  background: var(--dark);
  color: rgba(255,255,255,.65);
  padding: 4rem 0 0;
}

.os-footer h5 {
  color: var(--white);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: .75rem;
}
.os-footer h5::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 2rem;
  height: 2px;
  background: var(--brand);
  border-radius: 1px;
}

.os-footer .footer-brand img { height: 80px; max-width: 200px; width: auto; margin-bottom: 1rem; filter: brightness(0) invert(1); }
.os-footer .footer-desc { font-size: .9rem; line-height: 1.7; margin-bottom: 1.25rem; }

.os-footer .footer-links { list-style: none; padding: 0; margin: 0; }
.os-footer .footer-links li { margin-bottom: .5rem; }
.os-footer .footer-links a {
  color: rgba(255,255,255,.6);
  font-size: .9rem;
  transition: color var(--transition), padding-left var(--transition);
}
.os-footer .footer-links a:hover {
  color: var(--brand);
  padding-left: .3rem;
}

.os-footer .footer-contact { list-style: none; padding: 0; margin: 0; }
.os-footer .footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  margin-bottom: .75rem;
  font-size: .9rem;
}
.os-footer .footer-contact i { color: var(--brand); margin-top: .15rem; }
.os-footer .footer-contact a { color: rgba(255,255,255,.65); }
.os-footer .footer-contact a:hover { color: var(--brand); }

.os-footer .footer-social { display: flex; gap: .5rem; margin-top: .5rem; }
.os-footer .footer-social a {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.65);
  font-size: .85rem;
  transition: all var(--transition);
}
.os-footer .footer-social a:hover {
  background: var(--brand);
  border-color: var(--brand);
  color: var(--white);
  transform: translateY(-2px);
}

.os-footer .footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  margin-top: 3rem;
  padding: 1.25rem 0;
}
.os-footer .footer-bottom p { margin: 0; font-size: .85rem; color: rgba(255,255,255,.4); }
.os-footer .footer-bottom a { color: rgba(255,255,255,.4); }
.os-footer .footer-bottom a:hover { color: var(--brand); }

/* ─── Back to Top ────────────────────────────────────────────────── */
#back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--brand);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition), background var(--transition);
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(11,181,134,.4);
}
#back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}
#back-to-top:hover {
  background: var(--brand-dark);
  transform: translateY(-3px);
  color: var(--white);
}

/* ─── Page Loader ────────────────────────────────────────────────── */
#page-loader {
  position: fixed;
  inset: 0;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity .4s ease;
}
#page-loader.hidden { opacity: 0; pointer-events: none; }

.loader-ring {
  width: 48px;
  height: 48px;
  border: 4px solid var(--border);
  border-top-color: var(--brand);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}

/* ─── Animations ─────────────────────────────────────────────────── */
@keyframes spin { to { transform: rotate(360deg); } }

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

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* AOS fallback: ensure elements are visible even if AOS doesn't load */
[data-aos] { opacity: 1 !important; }

/* ─── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 991.98px) {
  .os-navbar .navbar-collapse {
    background: rgba(255,255,255,.97);
    backdrop-filter: blur(12px);
    border-radius: .75rem;
    margin-top: .5rem;
    padding: 1rem;
    box-shadow: var(--shadow-md);
  }
  .os-navbar .nav-link { color: var(--text) !important; }
  .os-breadcrumb { justify-content: flex-start; margin-top: 1rem; }
  .about-badge { bottom: .5rem; right: .5rem; }
  .section-pad { padding: 3.5rem 0; }
}

@media (max-width: 767.98px) {
  .os-hero { min-height: 100svh; }
  .os-topbar .d-md-inline { display: none !important; }
  .stat-number { font-size: 2.25rem; }
  .contact-info-card { margin-bottom: 2rem; }
  .os-hero .carousel-control-prev,
  .os-hero .carousel-control-next { display: none; }
}
