/* ============================================ */
/* VARIABLES & RESET                            */
/* ============================================ */
:root {
    --color-dark-blue: #0B1E3A;
    --color-primary-blue: #1A4A8C;
    --color-bright-blue: #3B82F6;
    --color-light-blue: #E8F0FE;
    --color-white: #FFFFFF;
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;
    
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --max-width: 1200px;
    --header-height: 80px;
    --transition: 0.3s ease-in-out;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1);
    --radius: 12px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--color-gray-700);
    background: var(--color-white);
    line-height: 1.6;
    padding-top: var(--header-height);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================ */
/* BUTTONS                                     */
/* ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-primary);
    text-align: center;
}

.btn-primary {
    background: var(--color-bright-blue);
    color: var(--color-white);
}
.btn-primary:hover {
    background: var(--color-primary-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary-blue);
    border: 2px solid var(--color-primary-blue);
}
.btn-outline:hover {
    background: var(--color-primary-blue);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-white {
    background: var(--color-white);
    color: var(--color-primary-blue);
}
.btn-white:hover {
    background: var(--color-gray-100);
    transform: translateY(-2px);
}

.btn-dark {
    background: var(--color-dark-blue);
    color: var(--color-white);
}
.btn-dark:hover {
    background: var(--color-gray-800);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.85rem;
}

/* ============================================ */
/* HEADER / NAVIGATION                         */
/* ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-200);
    z-index: 1000;
    transition: var(--transition);
}

.site-header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.logo img {
    height: 40px;
    width: auto;
    display: block;
}

.desktop-nav ul {
    display: flex;
    align-items: center;
    gap: 8px;
}

.desktop-nav ul li {
    position: relative;
}

.desktop-nav ul li a {
    padding: 8px 16px;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--color-gray-700);
    border-radius: 6px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 4px;
}

.desktop-nav ul li a:hover,
.desktop-nav ul li a.active {
    color: var(--color-primary-blue);
    background: var(--color-light-blue);
}

.desktop-nav .has-dropdown .dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--color-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-xl);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    border: 1px solid var(--color-gray-200);
}

.desktop-nav .has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.desktop-nav .dropdown li a {
    padding: 10px 16px;
    font-size: 0.85rem;
    color: var(--color-gray-700);
    border-radius: 6px;
}

.desktop-nav .dropdown li a:hover {
    background: var(--color-light-blue);
    color: var(--color-primary-blue);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-demo {
    padding: 10px 24px;
    font-size: 0.85rem;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-toggle span {
    display: block;
    width: 25px;
    height: 2.5px;
    background: var(--color-gray-700);
    border-radius: 4px;
    transition: var(--transition);
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}
.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Overlay */
.mobile-overlay {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.mobile-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Mobile Navigation */
.mobile-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    z-index: 999;
    transform: translateX(100%);
    transition: var(--transition);
    overflow-y: auto;
}

.mobile-nav.active {
    transform: translateX(0);
}

.mobile-nav-inner {
    padding: 24px;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.mobile-nav-inner ul {
    flex: 1;
}

.mobile-nav-inner ul li {
    border-bottom: 1px solid var(--color-gray-200);
}

.mobile-nav-inner ul li a {
    display: block;
    padding: 16px 0;
    font-weight: 500;
    font-size: 1rem;
    color: var(--color-gray-800);
    transition: var(--transition);
}

.mobile-nav-inner ul li a:hover {
    color: var(--color-primary-blue);
}

.mobile-nav-footer {
    padding: 24px 0;
    border-top: 1px solid var(--color-gray-200);
}

/* ============================================ */
/* HERO                                        */
/* ============================================ */
.hero {
    padding: 80px 0 60px;
    background: linear-gradient(135deg, var(--color-dark-blue) 0%, var(--color-primary-blue) 100%);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
    min-height: 70vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    right: -10%;
    top: -30%;
    width: 60%;
    height: 120%;
    background: radial-gradient(circle, rgba(59,130,246,0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 3.2rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero-content h1 .highlight {
    color: var(--color-bright-blue);
}

.hero-content p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 560px;
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-visual img {
    max-width: 100%;
    border-radius: var(--radius);
    box-shadow: var(--shadow-xl);
}

/* ============================================ */
/* SECTION COMMON STYLES                       */
/* ============================================ */
.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--color-dark-blue);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-gray-500);
    max-width: 640px;
    margin-bottom: 48px;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header .section-subtitle {
    margin-left: auto;
    margin-right: auto;
}

/* ============================================ */
/* GRID CARDS                                  */
/* ============================================ */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.card {
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 32px;
    border: 1px solid var(--color-gray-200);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-bright-blue);
}

.card .icon {
    font-size: 2.4rem;
    color: var(--color-bright-blue);
    margin-bottom: 16px;
    display: inline-block;
}

.card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-dark-blue);
    margin-bottom: 10px;
}

.card p {
    color: var(--color-gray-500);
    font-size: 0.95rem;
    line-height: 1.7;
}

.card .card-tag {
    display: inline-block;
    background: var(--color-light-blue);
    color: var(--color-primary-blue);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 50px;
    margin-top: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ============================================ */
/* WHAT WE DO                                  */
/* ============================================ */
.what-we-do .grid-2 {
    gap: 40px;
}

.what-we-do .card {
    border-left: 4px solid var(--color-bright-blue);
}

.what-we-do .card ul {
    margin-top: 12px;
}

.what-we-do .card ul li {
    padding: 4px 0;
    font-size: 0.9rem;
    color: var(--color-gray-600);
    display: flex;
    align-items: center;
    gap: 8px;
}

.what-we-do .card ul li::before {
    content: '▸';
    color: var(--color-bright-blue);
    font-weight: 700;
}

/* ============================================ */
/* FEATURED SOLUTION (Medi+)                   */
/* ============================================ */
.featured-solution {
    background: var(--color-gray-50);
}

.featured-solution .grid-2 {
    align-items: center;
}

.featured-solution .featured-content h2 {
    font-size: 2.2rem;
    color: var(--color-dark-blue);
    margin-bottom: 16px;
}

.featured-solution .featured-content p {
    color: var(--color-gray-600);
    margin-bottom: 24px;
    line-height: 1.8;
}

.featured-solution .featured-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.featured-solution .featured-tags span {
    background: var(--color-white);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-gray-700);
    border: 1px solid var(--color-gray-200);
}

.featured-solution .featured-image img {
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

/* ============================================ */
/* INTEGRATIONS SECTION                        */
/* ============================================ */
.integrations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 20px;
    margin: 32px 0;
}

.integration-item {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    transition: var(--transition);
}

.integration-item:hover {
    border-color: var(--color-bright-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.integration-item i {
    font-size: 2rem;
    color: var(--color-primary-blue);
    margin-bottom: 8px;
}

.integration-item span {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-gray-700);
}

.integration-note {
    background: var(--color-light-blue);
    padding: 16px 24px;
    border-radius: var(--radius);
    color: var(--color-gray-600);
    font-size: 0.9rem;
    margin-top: 16px;
    border-left: 4px solid var(--color-bright-blue);
}

/* ============================================ */
/* WHY VAREON                                  */
/* ============================================ */
.why-vareon .grid-4 .card {
    text-align: center;
    padding: 40px 24px;
}

.why-vareon .card .icon {
    font-size: 2.8rem;
    background: var(--color-light-blue);
    padding: 16px;
    border-radius: 50%;
    margin-bottom: 20px;
}

/* ============================================ */
/* INDUSTRIES                                  */
/* ============================================ */
.industries {
    background: var(--color-dark-blue);
    color: var(--color-white);
}

.industries .section-header h2 {
    color: var(--color-white);
}

.industries .section-header .section-subtitle {
    color: rgba(255,255,255,0.7);
}

.industries .grid-3 .card {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.1);
    text-align: center;
    color: var(--color-white);
}

.industries .card .icon {
    color: var(--color-bright-blue);
}

.industries .card h3 {
    color: var(--color-white);
}

.industries .card p {
    color: rgba(255,255,255,0.7);
}

/* ============================================ */
/* ABOUT PAGE                                  */
/* ============================================ */
.about-hero {
    background: var(--color-gray-50);
    padding: 60px 0;
    border-bottom: 1px solid var(--color-gray-200);
}

.about-hero h1 {
    font-size: 2.8rem;
    color: var(--color-dark-blue);
}

.about-content .grid-2 {
    gap: 60px;
}

.about-values .grid-3 .card {
    text-align: center;
}

/* ============================================ */
/* SOFTWARE / PRODUCT PAGES                    */
/* ============================================ */
.product-hero {
    background: linear-gradient(135deg, var(--color-dark-blue), var(--color-primary-blue));
    color: var(--color-white);
    padding: 60px 0;
}

.product-hero h1 {
    font-size: 2.8rem;
}

.product-hero p {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 640px;
}

.product-details .grid-2 {
    gap: 40px;
}

.product-details .card {
    border-left: 4px solid var(--color-bright-blue);
}

.product-details .card ul {
    margin-top: 12px;
}

.product-details .card ul li {
    padding: 4px 0;
    font-size: 0.9rem;
    color: var(--color-gray-600);
    display: flex;
    align-items: center;
    gap: 8px;
}

.product-details .card ul li::before {
    content: '✓';
    color: var(--color-bright-blue);
    font-weight: 700;
}

/* Module Grid for Medi+ */
.module-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    margin: 32px 0;
}

.module-item {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
}

.module-item:hover {
    border-color: var(--color-bright-blue);
    transform: translateY(-2px);
}

.module-item h4 {
    color: var(--color-dark-blue);
    margin-bottom: 8px;
}

.module-item p {
    font-size: 0.9rem;
    color: var(--color-gray-500);
}

.module-item ul {
    margin-top: 8px;
}

.module-item ul li {
    font-size: 0.85rem;
    color: var(--color-gray-600);
    padding: 2px 0;
    padding-left: 20px;
    position: relative;
}

.module-item ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-bright-blue);
}

/* ============================================ */
/* CONTACT PAGE                                */
/* ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-form .form-group {
    margin-bottom: 20px;
}

.contact-form label {
    display: block;
    font-weight: 500;
    margin-bottom: 6px;
    font-size: 0.9rem;
    color: var(--color-gray-700);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-gray-300);
    border-radius: 8px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--color-white);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-bright-blue);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-info {
    background: var(--color-gray-50);
    padding: 40px;
    border-radius: var(--radius);
}

.contact-info h3 {
    font-size: 1.4rem;
    color: var(--color-dark-blue);
    margin-bottom: 16px;
}

.contact-info p {
    color: var(--color-gray-500);
    margin-bottom: 24px;
}

.contact-info .info-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-gray-200);
}

.contact-info .info-item:last-child {
    border-bottom: none;
}

.contact-info .info-item i {
    width: 40px;
    height: 40px;
    background: var(--color-light-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-blue);
    font-size: 1.1rem;
}

/* ============================================ */
/* SUPPORT PAGE                                */
/* ============================================ */
.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.support-grid .card {
    text-align: center;
    padding: 40px 24px;
}

.support-grid .card .icon {
    font-size: 2.8rem;
    background: var(--color-light-blue);
    padding: 16px;
    border-radius: 50%;
    margin-bottom: 20px;
}

/* ============================================ */
/* FOOTER                                      */
/* ============================================ */
.site-footer {
    background: var(--color-dark-blue);
    color: rgba(255,255,255,0.8);
    padding: 60px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .footer-logo {
    height: 150px;
    margin-bottom: 60px;
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--color-bright-blue);
    border-color: var(--color-bright-blue);
    transform: translateY(-2px);
}

.footer-links h4 {
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: 16px;
}

.footer-links ul li {
    padding: 4px 0;
}

.footer-links ul li a {
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: var(--color-bright-blue);
}

.footer-contact ul li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 0;
    font-size: 0.9rem;
}

.footer-contact ul li i {
    width: 20px;
    color: var(--color-bright-blue);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.85rem;
}

.footer-legal {
    display: flex;
    gap: 20px;
}

.footer-legal a:hover {
    color: var(--color-bright-blue);
}

/* ============================================ */
/* RESPONSIVE                                  */
/* ============================================ */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }
    
    .desktop-nav {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .btn-demo {
        display: none;
    }
    
    .hero {
        min-height: auto;
        padding: 60px 0 40px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .section {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .product-hero h1 {
        font-size: 2rem;
    }
    
    .featured-solution .grid-2 {
        grid-template-columns: 1fr;
    }
    
    .featured-solution .featured-image {
        order: -1;
    }
    
    .integrations-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .module-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.6rem;
    }
    
    .integrations-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .module-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        padding: 24px;
    }
}