/* ============================================================
   SB-Tech — Premium Website Styles
   Glassmorphism + Modern Design System
   ============================================================ */

/* ── Premium Fonts ──
   Loaded via <link rel="stylesheet"> + preconnect in website/includes/header.php.
   Do not re-add an @import here — it duplicated the fetch and blocked rendering. */

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg-body);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* ── Typography Hierarchy ── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.display-4 {
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.lead {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ── Navbar - Premium Glass ── */
.site-navbar {
    background: var(--navbar-bg) !important;
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--navbar-border);
    padding: 1rem 0;
    transition: all var(--transition-base);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.site-navbar.scrolled {
    background: rgba(255, 255, 255, 0.95) !important;
    box-shadow: var(--shadow-md);
}

.navbar-brand {
    font-family: var(--font-display) !important;
    font-weight: 700 !important;
    font-size: 1.5rem !important;
    color: var(--text-primary) !important;
    letter-spacing: -0.03em;
}

.site-navbar .nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    font-size: 0.9375rem;
    padding: 0.5rem 1rem !important;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
}

.site-navbar .nav-link:hover {
    color: var(--accent) !important;
    background: rgba(37, 99, 235, 0.05);
}

.site-navbar .nav-link.active {
    color: var(--accent) !important;
    font-weight: 600;
    background: rgba(37, 99, 235, 0.08);
}

.site-navbar .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--accent);
    border-radius: var(--radius-full);
}

/* Dark mode navbar */
[data-mode="dark"] .site-navbar {
    background: var(--navbar-bg) !important;
}

[data-mode="dark"] .site-navbar.scrolled {
    background: rgba(15, 23, 42, 0.95) !important;
}

[data-mode="dark"] .navbar-brand {
    color: var(--text-primary) !important;
}

[data-mode="dark"] .site-navbar .nav-link {
    color: var(--text-secondary) !important;
}

[data-mode="dark"] .site-navbar .nav-link:hover,
[data-mode="dark"] .site-navbar .nav-link.active {
    color: var(--accent) !important;
}

/* ── Hero Section - Premium Gradient ── */
.site-hero {
    background: var(--gradient-hero);
    color: #FFFFFF;
    padding: 6rem 0 5rem;
    position: relative;
    overflow: hidden;
}

.site-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.site-hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.site-hero .container {
    position: relative;
    z-index: 1;
}

.site-hero h1 {
    color: #FFFFFF;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.site-hero .lead {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.25rem;
    max-width: 600px;
}

.site-hero p {
    color: rgba(255, 255, 255, 0.8);
}

/* ── Cards - Premium Glass Effect ── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    overflow: hidden;
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), rgba(37, 99, 235, 0.5));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.card:hover::before {
    opacity: 1;
}

.card-body {
    padding: 1.75rem;
}

.card-img-top {
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

/* ── Image zoom-on-hover (replaces inline onmouseover handlers) ── */
.card-img-zoom {
    overflow: hidden;
    height: 200px;
}

.card-img-zoom img {
    height: 100%;
    width: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}

.card:hover .card-img-zoom img {
    transform: scale(1.05);
}

@media (prefers-reduced-motion: reduce) {
    .card:hover .card-img-zoom img {
        transform: none;
    }
}

/* ── Buttons - Premium Interactive ── */
.btn {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9375rem;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-cta);
    color: #FFFFFF;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    background: var(--brand-primary-hover);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-outline-primary {
    border: 2px solid var(--accent);
    color: var(--accent);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--accent);
    color: #FFFFFF;
    border-color: var(--accent);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-lg {
    padding: 1rem 2.25rem;
    font-size: 1.0625rem;
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.8125rem;
}

/* Touch-target guard: compact buttons stay ≥44px tall on coarse pointers */
@media (pointer: coarse) {
    .btn-sm,
    .btn:not(.btn-lg) {
        min-height: 44px;
    }
}

.btn-light {
    background: rgba(255, 255, 255, 0.9);
    color: var(--text-primary);
    backdrop-filter: blur(10px);
}

.btn-light:hover {
    background: #FFFFFF;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* ── Sections - Premium Spacing ──
   (Alternating backgrounds are set explicitly per-section in markup via
   tokens — the old :nth-child(even) rule was dead code, overridden inline.) */
section {
    padding: 5rem 0;
}

/* ── Section Headers ── */
h2.text-center {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

h2.text-center::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent);
    border-radius: var(--radius-full);
}

/* ── CTA Section - Premium Gradient ── */
.site-cta {
    background: var(--gradient-cta);
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
}

.site-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}

.site-cta h3 {
    color: #FFFFFF;
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
}

.site-cta .btn {
    position: relative;
}

/* ── Footer - Premium Dark ── */
.site-footer {
    background: var(--sidebar-bg);
    color: var(--text-secondary);
    padding: 4rem 0 0;
}

.site-footer h6 {
    color: #FFFFFF;
    font-weight: 600;
    margin-bottom: 1.25rem;
    letter-spacing: 0.05em;
}

.site-footer a {
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.site-footer a:hover {
    color: var(--accent);
}

.site-footer-bottom {
    background: rgba(0, 0, 0, 0.2);
    color: var(--text-muted);
    padding: 1.25rem 0;
    margin-top: 3rem;
}

/* ── Lists - Premium Spacing ── */
.list-unstyled li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.list-unstyled li:last-child {
    border-bottom: none;
}

.list-unstyled li a {
    text-decoration: none;
    transition: color var(--transition-fast);
}

.list-unstyled li a:hover {
    color: var(--accent) !important;
}

/* ── Images - Premium Polish ── */
.img-fluid {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

/* ── Badges - Premium Style ── */
.badge {
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
}

.badge-light {
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

/* ── Form Inputs - Premium Style ── */
.form-control {
    border: 2px solid var(--input-border);
    border-radius: var(--radius-lg);
    padding: 0.875rem 1.25rem;
    font-size: 1rem;
    transition: all var(--transition-fast);
    background: var(--input-bg);
}

.form-control:focus {
    border-color: var(--input-focus-border);
    box-shadow: 0 0 0 4px var(--input-focus-ring);
    outline: none;
}

/* ── Testimonials - Premium Quote ── */
.font-italic {
    font-style: italic;
    line-height: 1.8;
    color: var(--text-secondary);
}

blockquote,
blockquote p {
    position: relative;
    padding-left: 1.5rem;
    border-left: 3px solid var(--accent);
}

/* ── Icons - Premium Size ── */
.fa-2x {
    font-size: 2em;
    color: var(--accent);
}

/* ── Light/Dark mode toggle (navbar) ── */
.site-mode-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.site-mode-toggle:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: rgba(var(--accent-rgb, 37, 99, 235), .06);
}

.site-mode-toggle:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* ── Scroll-reveal ──
   Add class="reveal" (optionally inside a [data-reveal-group] parent for
   stagger). JS in website/includes/footer.php flips .is-visible when the
   element enters the viewport; reduced-motion users see content immediately. */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .6s ease, transform .6s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* ── Section eyebrow badge ── */
.eyebrow-badge {
    background: var(--accent-light);
    color: var(--accent);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* ── Section intro block ── */
.section-intro p {
    color: var(--text-secondary);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-intro h2 {
    display: inline-block;
    margin-bottom: 1rem;
}

/* ── Service / project card internals ── */
.icon-wrapper {
    width: 64px;
    height: 64px;
    background: var(--accent-light);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-wrapper i {
    font-size: 1.75rem;
    color: var(--accent);
}

.card-title-sm {
    font-family: var(--font-display);
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.card-text-sm {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.card-link-btn {
    font-size: 0.75rem;
}

/* ── Hero media frame ── */
.hero-media img,
.about-media img {
    border-radius: var(--radius-xl);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.about-media img {
    box-shadow: var(--shadow-xl);
}

/* ── Testimonials ── */
.rating-star {
    color: #F59E0B;
    font-size: 0.875rem;
}

.rating-star.is-off {
    color: #CBD5E1;
}

[data-mode="dark"] .rating-star.is-off {
    color: #475569;
}

.testimonial-quote {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    background: var(--accent-light);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-weight: 600;
    font-size: 1.125rem;
}

.testimonial-name {
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.testimonial-company {
    color: var(--text-muted);
    font-size: 0.8125rem;
}

/* ── News & notices lists ── */
.feed-list {
    padding: 0;
    list-style: none;
}

.feed-list li {
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--border-color);
}

.feed-title {
    color: var(--text-primary);
    text-decoration: none;
    display: block;
    font-size: 1.0625rem;
    transition: color 0.2s;
}

a.feed-title:hover {
    color: var(--accent);
}

.feed-meta {
    color: var(--text-muted);
}

.notice-file-btn {
    background: var(--accent-light);
    color: var(--accent);
    border-radius: var(--radius-full);
    padding: 0.475rem 0.9rem;
    font-size: 0.8125rem;
}

.notice-file-btn:hover {
    background: var(--accent);
    color: #fff;
}

/* ── Utility Classes ── */
.font-weight-bold {
    font-weight: 700 !important;
}

.text-primary {
    color: var(--accent) !important;
}

.bg-light {
    background: var(--border-light) !important;
}

/* ── Loading States ── */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

.skeleton {
    background: linear-gradient(90deg, var(--border-light) 25%, var(--border-color) 50%, var(--border-light) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

/* ── Animations ── */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-fade-in {
    animation: fadeIn 0.4s ease forwards;
}

/* ── Responsive Adjustments ── */
@media (max-width: 991.98px) {
    .site-hero {
        padding: 4rem 0 3rem;
        text-align: center;
    }

    .site-hero .lead {
        margin: 0 auto;
    }

    .site-hero img {
        margin-top: 2rem;
    }

    section {
        padding: 3.5rem 0;
    }
}

@media (max-width: 767.98px) {
    .site-hero {
        padding: 3rem 0 2.5rem;
    }

    section {
        padding: 3rem 0;
    }

    .card-body {
        padding: 1.25rem;
    }
}

/* ── Inner-page hero ── */
.page-hero {
    background: var(--gradient-card);
    border-bottom: 1px solid var(--border-light);
    padding: 3.5rem 0 3rem;
}

[data-mode="dark"] .page-hero {
    background: var(--gradient-card);
}

.page-hero h1 {
    margin-bottom: .5rem;
}

.page-hero p {
    color: var(--text-secondary);
    margin: 0;
}

/* ── Icon chip (mission/vision/detail icons) ── */
.icon-chip {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--accent-light);
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    flex-shrink: 0;
}

.icon-chip-row {
    display: flex;
    align-items: center;
    gap: .75rem;
    margin-bottom: .75rem;
}

.icon-chip-row h5 {
    margin: 0;
}

/* ── Team grid ── */
.team-photo {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 50%;
    box-shadow: 0 0 0 4px var(--bg-card), 0 0 0 6px rgba(var(--accent-rgb, 37, 99, 235), .25);
}

.team-name {
    margin: .75rem 0 0;
}

/* ── Detail media (service/project/news hero image) ── */
.detail-media img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    object-fit: cover;
}

.detail-meta {
    color: var(--text-muted);
}

/* ── Notices / generic list cards ── */
.notice-list .list-group-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: .75rem;
    transition: box-shadow var(--transition-fast);
}

.notice-list .list-group-item:hover {
    box-shadow: var(--shadow-md);
}

/* ── Empty note ── */
.empty-note {
    color: var(--text-secondary);
    background: var(--border-light);
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
}

/* ── Error page ── */
.error-code {
    font-family: var(--font-display);
    font-size: clamp(5rem, 16vw, 8rem);
    font-weight: 700;
    line-height: 1;
    background: var(--gradient-cta);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ── Print Styles ── */
@media print {
    .site-navbar,
    .site-footer,
    .site-cta {
        display: none;
    }

    body {
        color: #000;
        background: #fff;
    }
}