/* ==========================================================================
   Merkh LLC - Site Styles (Interactive Retheme)
   ========================================================================== */

/* -- CSS Variables -------------------------------------------------------- */
:root {
    --merkh-navy: #040f2b;
    --merkh-navy-light: #0a1d4a;
    --merkh-navy-dark: #020a1e;
    --merkh-accent: #c80a2e;
    --merkh-accent-dark: #a40f25;
    --merkh-accent-glow: rgba(200, 10, 46, 0.3);
    --merkh-blue: #1a73e8;
    --merkh-blue-light: #4a9af5;
    --merkh-teal: #0d9488;
    --merkh-white: #ffffff;
    --merkh-light: #f4f6f9;
    --merkh-gray: #6c757d;
    --merkh-gray-light: #e9ecef;
    --gradient-navy: linear-gradient(135deg, #040f2b 0%, #0a1d4a 50%, #102a6a 100%);
    --gradient-accent: linear-gradient(135deg, #c80a2e 0%, #e8334e 100%);
    --gradient-hero: linear-gradient(135deg, #020a1e 0%, #0a1d4a 40%, #1a3a6a 100%);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.15);
    --shadow-glow: 0 0 30px rgba(200, 10, 46, 0.15);
    --radius: 0.75rem;
    --radius-lg: 1rem;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* -- Base ----------------------------------------------------------------- */
html {
    font-size: 14px;
    scroll-behavior: smooth;
}

@media (min-width: 768px) {
    html { font-size: 16px; }
}

body {
    font-family: 'Ancizar Serif', Georgia, serif;
    color: #212529;
    background-color: var(--merkh-white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
}

a {
    color: var(--merkh-navy);
    transition: color var(--transition);
}

a:hover {
    color: var(--merkh-accent);
}

::selection {
    background: var(--merkh-accent);
    color: white;
}

/* -- Navbar --------------------------------------------------------------- */
.navbar {
    background: rgba(4, 15, 43, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    transition: all var(--transition);
    z-index: 1050;
}

.navbar.scrolled {
    background: rgba(4, 15, 43, 0.98);
    padding: 0.5rem 0;
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

.navbar-brand img {
    height: 40px;
    transition: transform var(--transition);
}

.navbar-brand:hover img {
    transform: scale(1.05);
}

.navbar .nav-link {
    color: rgba(255,255,255,0.85) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: all var(--transition);
    position: relative;
}

.navbar .nav-link:not(.dropdown-toggle):not(.btn)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--merkh-accent);
    transition: all var(--transition);
    transform: translateX(-50%);
}

.navbar .nav-link:not(.dropdown-toggle):not(.btn):hover::after,
.navbar .nav-link:not(.dropdown-toggle):not(.btn).active::after {
    width: 60%;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
    color: var(--merkh-white) !important;
}

.navbar .dropdown-menu {
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(0,0,0,0.06);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem;
    animation: dropdownFade 0.25s ease;
}

@keyframes dropdownFade {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.navbar .dropdown-item {
    padding: 0.6rem 1.25rem;
    font-size: 0.95rem;
    border-radius: 0.4rem;
    transition: all var(--transition);
}

.navbar .dropdown-item:hover {
    background-color: var(--merkh-light);
    color: var(--merkh-navy);
    transform: translateX(4px);
}

.btn-contact-nav {
    border: 2px solid var(--merkh-accent);
    color: var(--merkh-white) !important;
    font-weight: 600;
    transition: all var(--transition);
    text-decoration: none;
}

.btn-contact-nav:hover {
    background-color: var(--merkh-accent);
    border-color: var(--merkh-accent);
    color: var(--merkh-white) !important;
    box-shadow: var(--shadow-glow);
    transform: translateY(-1px);
}

/* -- Hero Section --------------------------------------------------------- */
.hero {
    background: var(--gradient-hero);
    color: var(--merkh-white);
    padding: 120px 20px 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(26, 58, 106, 0.4) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(200, 10, 46, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 100%, rgba(10, 29, 74, 0.6) 0%, transparent 60%);
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.hero .lead {
    font-size: 1.35rem;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto 2rem;
    line-height: 1.6;
}

.hero .btn-light {
    background: var(--merkh-white);
    color: var(--merkh-navy);
    font-weight: 700;
    padding: 0.85rem 2rem;
    border-radius: 50px;
    border: none;
    transition: all var(--transition);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.hero .btn-light:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    background: var(--merkh-white);
    color: var(--merkh-accent);
}

.hero .btn-outline-light {
    font-weight: 700;
    padding: 0.85rem 2rem;
    border-radius: 50px;
    border-width: 2px;
    transition: all var(--transition);
}

.hero .btn-outline-light:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255,255,255,0.15);
}

/* Floating geometric shapes in hero */
.hero-shape {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    opacity: 0.08;
}

.hero-shape-1 {
    width: 400px;
    height: 400px;
    background: var(--merkh-accent);
    top: -100px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.hero-shape-2 {
    width: 250px;
    height: 250px;
    background: var(--merkh-blue);
    bottom: -50px;
    left: -50px;
    animation: float 10s ease-in-out infinite reverse;
}

.hero-shape-3 {
    width: 150px;
    height: 150px;
    background: var(--merkh-white);
    top: 30%;
    right: 15%;
    animation: float 6s ease-in-out infinite 2s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(20px, -20px) rotate(5deg); }
    66% { transform: translate(-10px, 15px) rotate(-3deg); }
}

@media (max-width: 768px) {
    .hero { padding: 80px 15px 70px; }
    .hero h1 { font-size: 2.2rem; }
    .hero .lead { font-size: 1.1rem; }
    .hero-shape { display: none; }
}

/* -- Page Header ---------------------------------------------------------- */
.page-header {
    background: var(--gradient-navy);
    color: var(--merkh-white);
    padding: 70px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background:
        radial-gradient(ellipse at 80% 50%, rgba(200, 10, 46, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 20% 80%, rgba(26, 58, 106, 0.3) 0%, transparent 50%);
    pointer-events: none;
}

.page-header .container {
    position: relative;
    z-index: 2;
}

.page-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.page-header .lead {
    opacity: 0.9;
    font-size: 1.2rem;
}

/* -- Section Titles ------------------------------------------------------- */
.section-title {
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--merkh-navy);
    position: relative;
}

.section-title-centered {
    text-align: center;
}

.section-title-centered::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--gradient-accent);
    margin: 0.75rem auto 0;
    border-radius: 2px;
}

.section-subtitle {
    color: var(--merkh-gray);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

/* -- Feature Boxes -------------------------------------------------------- */
.feature-box {
    padding: 2rem;
    background: var(--merkh-navy);
    color: var(--merkh-white);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition);
    height: 100%;
    position: relative;
    overflow: hidden;
}

.feature-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: transform var(--transition);
}

.feature-box:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(4, 15, 43, 0.4);
}

.feature-box:hover::before {
    transform: scaleX(1);
}

.feature-box i {
    color: var(--merkh-accent);
    transition: transform var(--transition);
}

.feature-box:hover i {
    transform: scale(1.15);
}

.feature-box h5 {
    margin-top: 0.5rem;
}

/* -- Service Cards -------------------------------------------------------- */
.service-card {
    background: var(--merkh-white);
    border: 1px solid var(--merkh-gray-light);
    border-radius: var(--radius-lg);
    padding: 2rem;
    height: 100%;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: transform var(--transition);
    transform-origin: center;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.service-card:hover::after {
    transform: scaleX(1);
}

.service-card .icon-wrap {
    width: 70px;
    height: 70px;
    border-radius: var(--radius);
    background: var(--gradient-navy);
    color: var(--merkh-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
    transition: all var(--transition);
}

.service-card:hover .icon-wrap {
    background: var(--gradient-accent);
    transform: rotate(-5deg) scale(1.1);
}

/* -- System Cards --------------------------------------------------------- */
.system-card {
    transition: all var(--transition);
    scroll-margin-top: 100px;
}

.system-card:hover {
    transform: translateY(-5px);
}

.system-card .card {
    border: none;
    box-shadow: var(--shadow-sm);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: box-shadow var(--transition);
}

.system-card:hover .card {
    box-shadow: var(--shadow-lg);
}

.system-card .card-header {
    background: var(--gradient-navy) !important;
    color: var(--merkh-white);
    padding: 1.25rem 1.5rem;
    border: none;
}

.system-card .card-body {
    padding: 2rem;
}

/* -- Process Steps -------------------------------------------------------- */
.process-step {
    position: relative;
    padding-left: 4.5rem;
    padding-bottom: 3rem;
    border-left: 3px solid var(--merkh-gray-light);
    margin-left: 1.5rem;
    transition: border-color var(--transition);
}

.process-step:hover {
    border-left-color: var(--merkh-accent);
}

.process-step:last-child {
    border-left-color: transparent;
    padding-bottom: 0;
}

.process-step .step-number {
    position: absolute;
    left: -1.85rem;
    top: 0;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    background: var(--gradient-navy);
    color: var(--merkh-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 4px 15px rgba(4, 15, 43, 0.3);
    transition: all var(--transition);
}

.process-step:hover .step-number {
    background: var(--gradient-accent);
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

/* -- Stats / Numbers ------------------------------------------------------ */
.stat-box {
    text-align: center;
    padding: 2rem 1rem;
    position: relative;
}

.stat-box .stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--merkh-navy);
    display: block;
    line-height: 1;
    background: var(--gradient-navy);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-box .stat-label {
    font-size: 1rem;
    color: var(--merkh-gray);
    margin-top: 0.5rem;
    font-weight: 500;
}

/* -- CTA Section ---------------------------------------------------------- */
.cta-section {
    background-color: var(--merkh-light);
    padding: 80px 0;
    text-align: center;
}

.cta-section h2 {
    margin-bottom: 1rem;
}

.cta-dark {
    background: var(--gradient-hero);
    color: var(--merkh-white);
    position: relative;
    overflow: hidden;
}

.cta-dark::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(200, 10, 46, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 50%, rgba(26, 115, 232, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.cta-dark .container {
    position: relative;
    z-index: 2;
}

.cta-dark .section-title {
    color: var(--merkh-white);
}

.cta-dark .btn-light {
    font-weight: 700;
    padding: 0.85rem 2.5rem;
    border-radius: 50px;
    transition: all var(--transition);
}

.cta-dark .btn-light:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255,255,255,0.2);
}

/* -- Buttons -------------------------------------------------------------- */
.btn {
    transition: all var(--transition);
}

.btn-primary {
    background: var(--gradient-navy);
    border: none;
    font-weight: 600;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s;
}

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

.btn-primary:hover,
.btn-primary:focus {
    background: var(--gradient-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-accent {
    background: var(--gradient-accent);
    border: none;
    color: var(--merkh-white);
    font-weight: 600;
}

.btn-accent:hover,
.btn-accent:focus {
    background: var(--merkh-accent-dark);
    color: var(--merkh-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-outline-primary {
    color: var(--merkh-navy);
    border-color: var(--merkh-navy);
    border-width: 2px;
    font-weight: 600;
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
    background: var(--merkh-navy);
    color: var(--merkh-white);
    border-color: var(--merkh-navy);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-lg {
    padding: 0.85rem 2rem;
    border-radius: 50px;
}

/* -- Supported Systems Checkmarks ----------------------------------------- */
.supported-icon {
    color: var(--merkh-accent);
    margin-right: 0.5rem;
    font-weight: 700;
}

/* -- Accordion (FAQ) ------------------------------------------------------ */
.accordion-item {
    border: 1px solid var(--merkh-gray-light);
    margin-bottom: 0.75rem;
    border-radius: var(--radius) !important;
    overflow: hidden;
    transition: box-shadow var(--transition);
}

.accordion-item:hover {
    box-shadow: var(--shadow-sm);
}

.accordion-button {
    font-weight: 600;
    font-size: 1.05rem;
    padding: 1.15rem 1.5rem;
}

.accordion-button:not(.collapsed) {
    background-color: var(--merkh-light);
    color: var(--merkh-navy);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.25rem rgba(4, 15, 43, 0.15);
}

.accordion-body {
    padding: 1.25rem 1.5rem;
}

/* -- Industry Cards ------------------------------------------------------- */
.industry-card {
    background: var(--merkh-white);
    border: 1px solid var(--merkh-gray-light);
    border-radius: var(--radius-lg);
    padding: 2rem;
    height: 100%;
    transition: all var(--transition);
    text-decoration: none;
    color: inherit;
    display: block;
    position: relative;
    overflow: hidden;
}

.industry-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-navy);
    opacity: 0;
    transition: opacity var(--transition);
    z-index: 0;
}

.industry-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    color: var(--merkh-white);
    text-decoration: none;
    border-color: transparent;
}

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

.industry-card > * {
    position: relative;
    z-index: 1;
}

.industry-card .industry-icon {
    font-size: 2.5rem;
    color: var(--merkh-navy);
    margin-bottom: 1rem;
    transition: all var(--transition);
}

.industry-card:hover .industry-icon {
    color: var(--merkh-accent);
    transform: scale(1.15);
}

.industry-card:hover h5 {
    color: var(--merkh-white);
}

.industry-card:hover .text-muted {
    color: rgba(255,255,255,0.8) !important;
}

/* -- Pain Point Strip ----------------------------------------------------- */
.pain-strip {
    background-color: var(--merkh-light);
    padding: 3.5rem 0;
    border-bottom: 1px solid var(--merkh-gray-light);
}

.pain-item {
    text-align: center;
    padding: 1.5rem 1rem;
    transition: transform var(--transition);
}

.pain-item:hover {
    transform: translateY(-5px);
}

.pain-item i {
    font-size: 2.5rem;
    color: var(--merkh-accent);
    margin-bottom: 0.75rem;
    display: block;
    transition: transform var(--transition);
}

.pain-item:hover i {
    transform: scale(1.15);
}

.pain-item h6 {
    font-weight: 700;
    color: var(--merkh-navy);
    font-size: 1rem;
}

/* -- Migration Checklist -------------------------------------------------- */
.check-list {
    padding-left: 0;
}

.check-list li {
    padding: 0.5rem 0;
    list-style: none;
    position: relative;
    padding-left: 2rem;
    transition: transform var(--transition);
}

.check-list li:hover {
    transform: translateX(4px);
}

.check-list li::before {
    content: "\f058";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    color: var(--merkh-accent);
    position: absolute;
    left: 0;
    top: 0.6rem;
    font-size: 0.95rem;
}

/* -- Footer --------------------------------------------------------------- */
.site-footer {
    background: var(--merkh-navy);
    color: rgba(255,255,255,0.8);
    padding: 70px 0 30px;
    position: relative;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-accent);
}

.site-footer h5,
.site-footer h6 {
    color: var(--merkh-white);
    margin-bottom: 1.25rem;
    font-weight: 700;
}

.site-footer .footer-links li {
    margin-bottom: 0.6rem;
}

.site-footer .footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: all var(--transition);
    position: relative;
}

.site-footer .footer-links a:hover {
    color: var(--merkh-white);
    padding-left: 6px;
}

.site-footer .text-light-emphasis {
    color: rgba(255,255,255,0.55) !important;
    line-height: 1.7;
}

.site-footer hr {
    opacity: 0.15;
    margin: 2rem 0;
}

/* -- Contact Form --------------------------------------------------------- */
.contact-info-card {
    background: var(--merkh-light);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    border: 1px solid var(--merkh-gray-light);
}

.contact-info-card li {
    margin-bottom: 1.25rem;
}

.contact-info-card i {
    color: var(--merkh-accent);
    width: 24px;
    text-align: center;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--merkh-navy);
    box-shadow: 0 0 0 0.2rem rgba(4, 15, 43, 0.15);
}

/* -- Image containers ----------------------------------------------------- */
.img-container {
    background: var(--merkh-light);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    text-align: center;
    overflow: hidden;
    border: 1px solid var(--merkh-gray-light);
}

.img-container img {
    max-height: 256px;
    border-radius: var(--radius);
    transition: transform var(--transition);
}

.img-container:hover img {
    transform: scale(1.03);
}

/* -- Utilities ------------------------------------------------------------ */
.text-accent {
    color: var(--merkh-accent) !important;
}

.bg-navy {
    background: var(--gradient-navy) !important;
}

.scroll-mt {
    scroll-margin-top: 100px;
}

.bg-pattern {
    position: relative;
}

.bg-pattern::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image:
        radial-gradient(circle at 1px 1px, rgba(4, 15, 43, 0.03) 1px, transparent 0);
    background-size: 30px 30px;
    pointer-events: none;
}

/* -- Animations ----------------------------------------------------------- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* Stagger delay classes */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* -- Divider -------------------------------------------------------------- */
.section-divider {
    height: 4px;
    background: var(--gradient-accent);
    border: none;
    opacity: 1;
    max-width: 80px;
    margin: 0 auto 2rem;
    border-radius: 2px;
}

/* -- Hover link arrow ----------------------------------------------------- */
.link-arrow::after {
    content: ' \2192';
    transition: padding-left var(--transition);
}

.link-arrow:hover::after {
    padding-left: 6px;
}

/* -- System grid cards on SupportedSystems hub ---------------------------- */
.system-grid-card {
    background: var(--merkh-white);
    border: 1px solid var(--merkh-gray-light);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
    transition: all var(--transition);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.system-grid-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--merkh-accent);
    color: inherit;
    text-decoration: none;
}

.system-grid-card i {
    font-size: 2rem;
    color: var(--merkh-navy);
    margin-bottom: 0.75rem;
    transition: all var(--transition);
}

.system-grid-card:hover i {
    color: var(--merkh-accent);
    transform: scale(1.15);
}

.system-grid-card h6 {
    margin: 0;
    font-weight: 600;
}

/* -- Pulse animation for CTA buttons ------------------------------------- */
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 var(--merkh-accent-glow); }
    70% { box-shadow: 0 0 0 12px rgba(200, 10, 46, 0); }
    100% { box-shadow: 0 0 0 0 rgba(200, 10, 46, 0); }
}

.btn-pulse {
    animation: pulse 2.5s infinite;
}

/* -- Responsive adjustments ----------------------------------------------- */
@media (max-width: 992px) {
    .page-header { padding: 50px 15px; }
    .page-header h1 { font-size: 2rem; }
    .cta-section { padding: 60px 0; }
    .stat-box .stat-number { font-size: 2.5rem; }
}

@media (max-width: 576px) {
    .feature-box { padding: 1.5rem; }
    .service-card { padding: 1.5rem; }
    .contact-info-card { padding: 1.5rem; }
}