/* ================================================================
   ketsch.io – main.css
   Bootstrap 5.3 + Custom Design System
   Palette: Light grey background, white cards, blue accent
   ================================================================ */

/* ─── CSS Variables ──────────────────────────────────────────── */
:root {
    --kio-bg:          #f3f4f6;
    --kio-bg-alt:      #ffffff;
    --kio-surface:     #ffffff;
    --kio-border:      #e5e7eb;
    --kio-text:        #111827;
    --kio-text-muted:  #6b7280;
    --kio-primary:     #2563eb;
    --kio-primary-dk:  #1d4ed8;
    --kio-hero-bg:     #eef2ff;
    --kio-radius:      .75rem;
    --kio-shadow:      0 1px 4px rgba(0,0,0,.07), 0 4px 16px rgba(0,0,0,.04);
    --kio-shadow-md:   0 4px 24px rgba(37,99,235,.10);
    --bs-font-sans-serif: 'Inter', system-ui, -apple-system, sans-serif;
    --bs-body-bg:      var(--kio-bg);
    --bs-body-color:   var(--kio-text);
    --bs-primary-rgb: 37, 99, 235;
    --bs-primary:     var(--kio-primary);
    --bs-link-color:  var(--kio-primary);
}

/* ─── Global ─────────────────────────────────────────────────── */
body {
    background-color: var(--kio-bg);
    color: var(--kio-text);
    font-family: var(--bs-font-sans-serif);
    -webkit-font-smoothing: antialiased;
}

/* Override Bootstrap primary */
.btn-primary {
    background-color: var(--kio-primary);
    border-color: var(--kio-primary);
}
.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--kio-primary-dk);
    border-color: var(--kio-primary-dk);
}
.btn-outline-primary {
    color: var(--kio-primary);
    border-color: var(--kio-primary);
}
.btn-outline-primary:hover {
    background-color: var(--kio-primary);
    border-color: var(--kio-primary);
}
.text-primary { color: var(--kio-primary) !important; }
.bg-primary   { background-color: var(--kio-primary) !important; }
.bg-primary-subtle { background-color: #dbeafe !important; }
.text-primary.bg-primary-subtle { color: var(--kio-primary) !important; }

/* ─── Navbar (Light – NewsKit style) ────────────────────────── */
.navbar-dark-custom {
    background: #ffffff !important;
    border-bottom: 1px solid var(--kio-border) !important;
    padding-top: .875rem;
    padding-bottom: .875rem;
    box-shadow: 0 1px 3px rgba(0,0,0,.06) !important;
}
.navbar-dark-custom .navbar-brand {
    font-size: 1.3rem;
    letter-spacing: -.02em;
}
.navbar-dark-custom .brand-main { color: var(--kio-text); }
.navbar-dark-custom .brand-dot  { color: var(--kio-primary); }
.navbar-dark-custom .nav-link {
    font-size: .9rem;
    font-weight: 500;
    color: #374151;
    padding: .4rem .65rem !important;
    border-radius: .4rem;
    transition: background .15s, color .15s;
    background: transparent;
}
.navbar-dark-custom .nav-link:hover,
.navbar-dark-custom .nav-link.active {
    color: var(--kio-primary);
    background: #eff6ff;
}
.navbar-dark-custom .dropdown-menu {
    background: #ffffff;
    border: 1px solid var(--kio-border);
    box-shadow: 0 4px 16px rgba(0,0,0,.08);
}
.navbar-dark-custom .dropdown-item {
    color: #374151;
    transition: background .15s, color .15s;
}
.navbar-dark-custom .dropdown-item:hover,
.navbar-dark-custom .dropdown-item.active {
    background: #eff6ff;
    color: var(--kio-primary);
}
.navbar-dark-custom .dropdown-divider { border-color: var(--kio-border); }
.navbar-dark-custom .navbar-toggler   { border-color: var(--kio-border); }
.navbar-dark-custom .navbar-toggler-icon { filter: none; }
.navbar-dark-custom .btn.btn-primary {
    background: var(--kio-primary);
    border-color: var(--kio-primary);
    color: #fff;
    font-size: .875rem;
}
.navbar-dark-custom .btn.btn-primary:hover {
    background: var(--kio-primary-dk);
    border-color: var(--kio-primary-dk);
}

/* ─── Hero Slider ────────────────────────────────────────────── */
.hero-slider {
    background: linear-gradient(160deg, #f0f5ff 0%, #eef2ff 50%, #f8faff 100%);
    border-bottom: 1px solid #e0e7ff;
    position: relative;
    overflow: hidden;
    height: calc(100svh - 64px);
    max-height: calc(100svh - 64px);
    display: flex;
    flex-direction: column;
}
.hero-slider::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(37,99,235,.07) 1px, transparent 0);
    background-size: 44px 44px;
    pointer-events: none;
    z-index: 0;
}

/* Track */
.hero-slider__track {
    display: flex;
    flex: 1;
    min-height: 0;
    transition: transform .55s cubic-bezier(.4,0,.2,1);
    will-change: transform;
}

/* Single slide */
.hero-slide {
    min-width: 100%;
    width: 100%;
    display: flex;
    align-items: center;
    padding: 2rem 0 1.5rem;
    position: relative;
    z-index: 1;
    box-sizing: border-box;
}
.hero-slide > .container { width: 100%; }
@media (min-width: 992px) {
    .hero-slide { padding: 2.5rem 0 2rem; }
}

/* Text column – slide in from left on enter */
.hero-slide__text {
    opacity: 0;
    transform: translateX(-28px);
    transition: opacity .5s .1s ease, transform .5s .1s ease;
}
.hero-slider--active .hero-slide__text {
    opacity: 1;
    transform: translateX(0);
}

/* Image column – slide in from right on enter */
.hero-slide__image {
    opacity: 0;
    transform: translateX(28px);
    transition: opacity .5s .2s ease, transform .5s .2s ease;
}
.hero-slider--active .hero-slide__image {
    opacity: 1;
    transform: translateX(0);
}

/* Image wrapper */
.hero-img-wrap {
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 16px 48px rgba(37,99,235,.12), 0 4px 16px rgba(0,0,0,.06);
}
.hero-img-wrap img {
    width: 100%;
    height: auto;
    max-height: min(300px, 38svh);
    object-fit: cover;
    display: block;
    border-radius: 0;
}
@media (min-width: 992px) {
    .hero-img-wrap img { max-height: min(400px, 48svh); }
}

/* Badge */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    background: rgba(37,99,235,.08);
    border: 1px solid rgba(37,99,235,.25);
    color: var(--kio-primary);
    font-size: .8rem;
    font-weight: 600;
    padding: .35rem .95rem;
    border-radius: 2rem;
    letter-spacing: .02em;
}

/* Heading */
.hero-heading {
    font-size: clamp(2rem, 5.5vw, 3.6rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -.03em;
    color: var(--kio-text);
}
.hero-accent { color: var(--kio-primary); }

/* Subtitle */
.hero-subtitle {
    color: var(--kio-text-muted);
    font-size: 1.05rem;
    line-height: 1.75;
    max-width: 500px;
}

/* CTA Buttons */
.btn-hero-primary {
    background: var(--kio-primary);
    border: 1px solid var(--kio-primary);
    color: #fff;
    font-weight: 600;
    padding: .75rem 1.75rem;
    border-radius: .5rem;
    font-size: .95rem;
    transition: background .2s, transform .15s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
}
.btn-hero-primary:hover {
    background: var(--kio-primary-dk);
    border-color: var(--kio-primary-dk);
    color: #fff;
    transform: translateY(-2px);
}
.btn-hero-ghost {
    background: transparent;
    border: 1px solid #d1d5db;
    color: #374151;
    font-weight: 500;
    padding: .75rem 1.75rem;
    border-radius: .5rem;
    font-size: .95rem;
    transition: border-color .2s, color .2s, transform .15s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
}
.btn-hero-ghost:hover {
    border-color: var(--kio-primary);
    color: var(--kio-primary);
    transform: translateY(-2px);
}

/* Controls bar */
.hero-slider__controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: .75rem 1rem 1rem;
    position: relative;
    z-index: 2;
    flex-shrink: 0;
}

/* Arrow buttons */
.hero-slider__arrow {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    border: 1px solid #d1d5db;
    background: #fff;
    color: #374151;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: border-color .2s, color .2s, box-shadow .2s;
    flex-shrink: 0;
}
.hero-slider__arrow:hover {
    border-color: var(--kio-primary);
    color: var(--kio-primary);
    box-shadow: 0 2px 8px rgba(37,99,235,.15);
}

/* Dots */
.hero-slider__dots {
    display: flex;
    gap: .5rem;
    align-items: center;
}
.hero-dot {
    width: .55rem;
    height: .55rem;
    border-radius: 50%;
    border: none;
    background: #c7d2fe;
    cursor: pointer;
    padding: 0;
    transition: background .25s, transform .25s, width .25s;
}
.hero-dot.active {
    background: var(--kio-primary);
    width: 1.6rem;
    border-radius: .3rem;
    transform: none;
}

/* Responsive: stack on mobile */
@media (max-width: 991.98px) {
    .hero-slide__text { order: 1; }
    .hero-slide__image { order: 2; }
    .hero-subtitle { max-width: 100%; }
}
.py-lg-7 { padding-top: 6.5rem !important; padding-bottom: 6.5rem !important; }

/* ─── Navbar ─────────────────────────────────────────────────── */
.navbar {
    padding-top: .875rem;
    padding-bottom: .875rem;
}
.navbar-brand {
    font-size: 1.3rem;
    letter-spacing: -.02em;
}
.shadow-xs {
    box-shadow: 0 1px 3px rgba(0,0,0,.06) !important;
}
.nav-link {
    font-size: .9rem;
    font-weight: 500;
    color: #374151;
    padding: .4rem .65rem !important;
    border-radius: .4rem;
    transition: background .15s, color .15s;
}
.nav-link:hover,
.nav-link.active {
    color: var(--kio-primary);
    background: #eff6ff;
}
.navbar .btn {
    font-size: .875rem;
}

/* ─── Hero Section ───────────────────────────────────────────── */
.hero-section {
    background: linear-gradient(135deg, var(--kio-hero-bg) 0%, #f8faff 100%);
    border-bottom: 1px solid #e0e7ff;
}
.py-lg-6 { padding-top: 5rem !important; padding-bottom: 5rem !important; }

.hero-graphic {
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-icon-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    position: relative;
    width: 240px;
}
.hero-icon-item {
    background: white;
    border: 1px solid var(--kio-border);
    border-radius: var(--kio-radius);
    padding: 1.25rem 1rem;
    text-align: center;
    font-size: .8rem;
    font-weight: 600;
    color: var(--kio-text-muted);
    box-shadow: var(--kio-shadow);
    transition: transform .2s, box-shadow .2s;
}
.hero-icon-item i {
    display: block;
    font-size: 1.8rem;
    margin-bottom: .4rem;
    color: var(--kio-primary);
}
.hero-icon-center {
    grid-column: 1 / -1;
    background: var(--kio-primary);
    color: white;
    border: none;
    font-size: 1.1rem;
}
.hero-icon-center i {
    color: white;
    font-size: 2.2rem;
}
.hero-icon-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--kio-shadow-md);
}

/* ─── Page Header ────────────────────────────────────────────── */
.page-header {
    background: linear-gradient(135deg, var(--kio-hero-bg) 0%, #f8faff 100%);
    border-bottom: 1px solid #e0e7ff;
}
.breadcrumb-item + .breadcrumb-item::before {
    color: #d1d5db;
}

/* ─── Cards ──────────────────────────────────────────────────── */
.card {
    border-radius: var(--kio-radius);
    box-shadow: var(--kio-shadow);
    border: 1px solid var(--kio-border) !important;
}
.card.shadow-sm {
    box-shadow: var(--kio-shadow) !important;
    border: 1px solid var(--kio-border) !important;
}
.card-hover {
    transition: transform .2s ease, box-shadow .2s ease;
}
.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(37,99,235,.1), 0 2px 8px rgba(0,0,0,.06) !important;
}

/* ─── Services Page ──────────────────────────────────────────── */
.service-visual {
    background: var(--kio-hero-bg);
    border-radius: 1.5rem;
    border: 1px solid #e0e7ff;
}
.service-big-icon {
    font-size: 6rem;
    line-height: 1;
}
.epaper-section {
    background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 100%);
    border-top: 1px solid #d1fae5;
    border-bottom: 1px solid #d1fae5;
}

/* ─── CTA Section ────────────────────────────────────────────── */
.cta-section {
    background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 100%);
    color: white;
}
.cta-section h2,
.cta-section h3 { color: white; }
.cta-section p.text-muted { color: rgba(255,255,255,.75) !important; }
.cta-section .btn-primary {
    background: white;
    border-color: white;
    color: var(--kio-primary);
    font-weight: 600;
}
.cta-section .btn-primary:hover {
    background: #f0f4ff;
    border-color: #f0f4ff;
    color: var(--kio-primary-dk);
}

/* ─── Contact Page ───────────────────────────────────────────── */
.contact-icon-wrap {
    width: 40px;
    flex-shrink: 0;
}

/* ─── Footer ─────────────────────────────────────────────────── */
.footer {
    font-size: .875rem;
}
.footer-link:hover {
    color: var(--kio-primary) !important;
}
.ls-1 { letter-spacing: .06em; }

/* ─── Blog Content ───────────────────────────────────────────── */
.blog-content {
    font-size: 1.05rem;
    line-height: 1.8;
    color: #1f2937;
}
.blog-content h2,
.blog-content h3,
.blog-content h4 {
    margin-top: 2rem;
    margin-bottom: .75rem;
    font-weight: 600;
}
.blog-content p { margin-bottom: 1.2rem; }
.blog-content ul,
.blog-content ol { padding-left: 1.5rem; margin-bottom: 1.2rem; }
.blog-content code {
    background: #f3f4f6;
    border: 1px solid #e5e7eb;
    padding: .15em .4em;
    border-radius: .3rem;
    font-size: .9em;
}
.blog-content pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: 1.5rem;
    border-radius: var(--kio-radius);
    overflow-x: auto;
    margin-bottom: 1.5rem;
}
.blog-content pre code {
    background: none;
    border: none;
    color: inherit;
    padding: 0;
    font-size: .9rem;
}
.blog-content img {
    max-width: 100%;
    border-radius: var(--kio-radius);
    margin: 1.5rem 0;
}
.blog-content blockquote {
    border-left: 4px solid var(--kio-primary);
    padding-left: 1.25rem;
    color: var(--kio-text-muted);
    font-style: italic;
    margin: 1.5rem 0;
}

/* ─── Form Controls ──────────────────────────────────────────── */
.form-control:focus,
.form-select:focus {
    border-color: var(--kio-primary);
    box-shadow: 0 0 0 .2rem rgba(37,99,235,.15);
}

/* ─── Badges ─────────────────────────────────────────────────── */
.badge {
    font-weight: 500;
    letter-spacing: .01em;
}

/* ─── Utilities ──────────────────────────────────────────────── */
.rounded-xl { border-radius: 1rem !important; }

/* ─── Scrollbar (optional, subtle) ──────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: #f1f1f1; }
::-webkit-scrollbar-thumb { background: #c7c7c7; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #a0a0a0; }

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 991.98px) {
    .hero-graphic { margin-top: 1rem; }
    .hero-icon-grid { width: 200px; }
    .service-big-icon { font-size: 4rem; }
}
@media (max-width: 575.98px) {
    .hero-icon-grid { width: 180px; gap: 1rem; }
    .cta-section .btn-primary { width: 100%; }
}