/* ==========================================================================
   DexusDev Enterprise Design System & Stylesheet
   Palette: White & Bright Blue (#1687FF / #0755C9)
   ================================================================---------- */

:root {
    --primary-blue: #1687FF;
    --deep-blue: #0755C9;
    --bright-accent: #36B8FF;
    --bg-color: #FFFFFF;
    --soft-blue-bg: #F2F8FF;
    --primary-text: #142033;
    --secondary-text: #64748B;
    --border-color: #E2EAF4;
    --card-bg: #FFFFFF;
    --radius: 12px;
    --shadow: 0 10px 25px -5px rgba(22, 135, 255, 0.1), 0 8px 10px -6px rgba(22, 135, 255, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --bg-color: #0B1220;
    --soft-blue-bg: #121D30;
    --primary-text: #F1F5F9;
    --secondary-text: #94A3B8;
    --border-color: #1E293B;
    --card-bg: #121D30;
    --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--primary-text);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

/* Header */
.dexus-header {
    background-color: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
}
.header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary-text);
}
.logo-symbol {
    background: var(--primary-blue);
    color: #FFFFFF;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 1.25rem;
}
.logo-sub {
    color: var(--primary-blue);
}
.header-nav {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}
.header-nav a {
    text-decoration: none;
    color: var(--secondary-text);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}
.header-nav a:hover, .header-nav a.active {
    color: var(--primary-blue);
}
.header-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}
.theme-toggle-btn {
    background: var(--soft-blue-bg);
    border: 1px solid var(--border-color);
    padding: 0.5rem;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
}
.primary-header-btn {
    background: var(--primary-blue);
    color: #FFFFFF;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}
.primary-header-btn:hover {
    background: var(--deep-blue);
}
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-text);
    cursor: pointer;
}
.mobile-nav-drawer {
    display: none;
    flex-direction: column;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    gap: 1rem;
}
.mobile-nav-drawer a {
    text-decoration: none;
    color: var(--primary-text);
    font-weight: 500;
}

/* Hero Section */
.hero-section {
    max-width: 1280px;
    margin: 0 auto;
    padding: 4rem 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}
.badge-premium {
    background: var(--soft-blue-bg);
    color: var(--primary-blue);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
}
.hero-content h1 {
    font-size: 2.75rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--primary-text);
}
.hero-content p {
    color: var(--secondary-text);
    font-size: 1.125rem;
    margin-bottom: 2rem;
}
.hero-btns {
    display: flex;
    gap: 1rem;
}
.cta-btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-decoration: none;
    text-align: center;
    display: inline-block;
}
.primary-btn {
    background: var(--primary-blue);
    color: #FFFFFF;
}
.primary-btn:hover {
    background: var(--deep-blue);
}
.secondary-btn {
    background: var(--soft-blue-bg);
    color: var(--primary-blue);
    border: 1px solid var(--border-color);
}
.secondary-btn:hover {
    background: var(--border-color);
}
.full-w {
    width: 100%;
}

/* Slider */
.hero-slider-container {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: var(--shadow);
}
.slider-card {
    height: 350px;
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: flex-end;
}
.slider-overlay {
    background: linear-gradient(to top, rgba(11, 18, 32, 0.9), transparent);
    width: 100%;
    padding: 2rem;
    color: #FFFFFF;
}
.slider-overlay h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}
.slider-overlay p {
    font-size: 0.9rem;
    color: #CBD5E1;
}
.slider-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--card-bg);
}
.slider-controls button {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--primary-text);
}
.slider-dots {
    display: flex;
    gap: 0.5rem;
}
.slider-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border-color);
    cursor: pointer;
}
.slider-dots span.active {
    background: var(--primary-blue);
}

/* Services Overview */
.services-overview-section, .why-us-section {
    max-width: 1280px;
    margin: 0 auto;
    padding: 4rem 2rem;
}
.section-title {
    text-align: center;
    margin-bottom: 3rem;
}
.section-title h2 {
    font-size: 2.25rem;
    margin-bottom: 0.75rem;
    color: var(--primary-text);
}
.section-title p {
    color: var(--secondary-text);
    font-size: 1.1rem;
}
.services-grid, .catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}
.service-card, .product-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.service-card:hover, .product-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-blue);
}
.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}
.service-card h3, .product-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--primary-text);
}
.service-card p, .product-card p {
    color: var(--secondary-text);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}
.service-link {
    color: var(--primary-blue);
    font-weight: 600;
    font-size: 0.9rem;
}

/* Product Specific */
.product-badge {
    background: var(--soft-blue-bg);
    color: var(--primary-blue);
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    align-self: flex-start;
    margin-bottom: 1rem;
}
.product-price {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}
.product-note {
    font-size: 0.85rem;
    color: var(--secondary-text);
    margin-bottom: 1rem;
}
.product-specs {
    list-style: none;
    margin-bottom: 1.5rem;
    color: var(--secondary-text);
    font-size: 0.9rem;
}
.product-specs li {
    margin-bottom: 0.5rem;
}

/* Page Banners */
.page-header-banner {
    background: var(--soft-blue-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 4rem 2rem;
    text-align: center;
}
.page-header-banner h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-text);
}
.page-header-banner p {
    color: var(--secondary-text);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
}
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 4rem 2rem;
}
.catalog-container, .detail-container {
    min-height: 50vh;
}
.detail-box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 3rem;
    box-shadow: var(--shadow);
}
.detail-box h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}
.detail-box h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
}
.action-row {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
}

/* Login Screen */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--soft-blue-bg);
    padding: 2rem;
}
.login-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 3rem;
    width: 100%;
    max-width: 450px;
    box-shadow: var(--shadow);
}
.login-header {
    text-align: center;
    margin-bottom: 2rem;
}
.login-brand {
    justify-content: center;
    margin-bottom: 1rem;
}
.login-header h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}
.login-header p {
    color: var(--secondary-text);
    font-size: 0.9rem;
}
.form-group {
    margin-bottom: 1.25rem;
}
.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}
.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--bg-color);
    color: var(--primary-text);
    font-size: 1rem;
}
.password-wrap {
    position: relative;
}
.toggle-pass {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
}
.login-divider {
    text-align: center;
    margin: 1.5rem 0;
    position: relative;
}
.login-divider::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 100%;
    height: 1px;
    background: var(--border-color);
}
.login-divider span {
    background: var(--card-bg);
    padding: 0 1rem;
    position: relative;
    color: var(--secondary-text);
    font-size: 0.85rem;
}
.error-msg {
    margin-bottom: 1rem;
    font-size: 0.9rem;
    text-align: center;
}

/* Why Grid */
.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.why-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: var(--radius);
}
.why-item h4 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}
.why-item p {
    color: var(--secondary-text);
    font-size: 0.95rem;
}

/* Footer */
.dexus-footer {
    background: var(--soft-blue-bg);
    border-top: 1px solid var(--border-color);
    padding: 4rem 2rem 2rem 2rem;
    margin-top: 4rem;
}
.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}
.footer-logo {
    margin-bottom: 1rem;
}
.footer-desc {
    color: var(--secondary-text);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}
.footer-contact-info p {
    font-size: 0.9rem;
    color: var(--secondary-text);
    margin-bottom: 0.5rem;
}
.footer-contact-info a {
    color: var(--primary-blue);
    text-decoration: none;
}
.footer-col h4 {
    font-size: 1.1rem;
    margin-bottom: 1.25rem;
    color: var(--primary-text);
}
.footer-col ul {
    list-style: none;
}
.footer-col ul li {
    margin-bottom: 0.75rem;
}
.footer-col ul li a {
    color: var(--secondary-text);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}
.footer-col ul li a:hover {
    color: var(--primary-blue);
}
.footer-bottom {
    max-width: 1280px;
    margin: 0 auto;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    text-align: center;
    color: var(--secondary-text);
    font-size: 0.85rem;
}

/* Responsive Breakpoints */
@media(max-width: 968px) {
    .header-nav { display: none; }
    .mobile-menu-btn { display: block; }
    .hero-section { grid-template-columns: 1fr; }
    .footer-container { grid-template-columns: 1fr; }
}