/* ==========================================================================
   SEITHATI GROUP - MODERN GLASSMORPHISM DESIGN SYSTEM
   ========================================================================== */

:root {
    --primary-blue: #0A2540;
    --primary-blue-light: #1A365D;
    --accent-blue: #0066FF;
    --primary-green: #00C853;
    --primary-green-glow: #00E676;
    --accent-teal: #00B4D8;
    
    --dark-bg: #0B132B;
    --light-bg: #F8FAFC;
    --card-bg: #FFFFFF;
    
    --text-main: #1E293B;
    --text-muted: #64748B;
    --text-light: #F8FAFC;
    
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(255, 255, 255, 0.4);
    --glass-shadow: 0 8px 32px 0 rgba(10, 37, 64, 0.12);
    
    --glass-dark: rgba(10, 37, 64, 0.85);
    
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
}

/* ==========================================================================
   Reset & Core
   ========================================================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    color: var(--text-main);
    background-color: var(--light-bg);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ==========================================================================
   Glassmorphism Navigation Header
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    padding: 10px 28px;
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
}

.header.scrolled .nav-container {
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 12px 40px 0 rgba(10, 37, 64, 0.18);
    padding: 8px 24px;
}

.logo img {
    height: 48px;
    object-fit: contain;
    transition: var(--transition);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--primary-blue);
    position: relative;
    padding: 6px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-green), var(--accent-teal));
    border-radius: var(--radius-full);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-blue);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--primary-blue);
    cursor: pointer;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 28px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
    color: var(--text-light);
    box-shadow: 0 10px 25px -5px rgba(0, 102, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px -5px rgba(0, 102, 255, 0.6);
    color: var(--text-light);
}

.btn-green {
    background: linear-gradient(135deg, var(--primary-green), var(--accent-teal));
    color: var(--text-light);
    box-shadow: 0 10px 25px -5px rgba(0, 200, 83, 0.4);
}

.btn-green:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px -5px rgba(0, 200, 83, 0.6);
    color: var(--text-light);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    color: var(--text-light);
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
    background: var(--text-light);
    color: var(--primary-blue);
    transform: translateY(-3px);
}

/* ==========================================================================
   Page Banners / Hero
   ========================================================================== */
.page-hero {
    position: relative;
    min-height: 520px;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
    padding-top: 130px;
    padding-bottom: 80px;
    color: var(--text-light);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 37, 64, 0.88) 0%, rgba(0, 200, 83, 0.7) 100%);
    z-index: 1;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.page-hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    max-width: 800px;
}

.page-hero p {
    font-size: 1.2rem;
    max-width: 650px;
    margin-bottom: 32px;
    opacity: 0.95;
    line-height: 1.7;
}

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

/* Page Header Banner for Subpages */
.subpage-hero {
    min-height: 340px;
    padding-top: 140px;
    padding-bottom: 60px;
}

.subpage-hero h1 {
    font-size: 2.8rem;
    margin-bottom: 12px;
}

/* ==========================================================================
   Section Styling
   ========================================================================== */
.section {
    padding: 90px 0;
}

.section-title-wrap {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 56px auto;
}

.subtitle {
    color: var(--primary-green);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-size: 0.85rem;
    margin-bottom: 8px;
    display: block;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-blue);
    line-height: 1.2;
}

.section-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-top: 12px;
}

/* ==========================================================================
   Feature Cards & Grid
   ========================================================================== */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
    align-items: center;
}

.card {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    padding: 36px 28px;
    border: 1px solid rgba(226, 232, 240, 0.8);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px -15px rgba(10, 37, 64, 0.12);
    border-color: rgba(0, 200, 83, 0.3);
}

.card-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(0, 200, 83, 0.1));
    color: var(--accent-blue);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 24px;
    transition: var(--transition);
}

.card:hover .card-icon {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    color: var(--text-light);
}

.card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 12px;
}

.card p {
    color: var(--text-muted);
    font-size: 0.98rem;
    line-height: 1.6;
}

/* Image Card Styling */
.image-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--glass-shadow);
    position: relative;
}

.image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

/* ==========================================================================
   Services Detailed List
   ========================================================================== */
.services-grid-large {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.service-item-card {
    background: #FFFFFF;
    padding: 24px;
    border-radius: var(--radius-md);
    border: 1px solid #E2E8F0;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    transition: var(--transition);
}

.service-item-card:hover {
    border-color: var(--primary-green);
    transform: translateY(-4px);
    box-shadow: 0 12px 24px -8px rgba(0, 200, 83, 0.2);
}

.service-item-card i {
    font-size: 1.8rem;
    color: var(--primary-green);
    background: rgba(0, 200, 83, 0.1);
    padding: 12px;
    border-radius: 12px;
}

.service-item-card h4 {
    font-size: 1.1rem;
    color: var(--primary-blue);
    font-weight: 700;
    margin-bottom: 4px;
}

.service-item-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
}

/* ==========================================================================
   Contact Page & Form
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
}

.contact-info-card {
    background: var(--primary-blue);
    color: var(--text-light);
    border-radius: var(--radius-lg);
    padding: 48px;
    position: relative;
    overflow: hidden;
}

.contact-info-card::after {
    content: '';
    position: absolute;
    bottom: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: var(--primary-green);
    opacity: 0.15;
    border-radius: 50%;
    filter: blur(40px);
}

.contact-info-card h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.info-box {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-top: 32px;
}

.info-box i {
    font-size: 1.6rem;
    color: var(--primary-green);
    background: rgba(255, 255, 255, 0.1);
    padding: 14px;
    border-radius: 50%;
}

.info-box h4 {
    font-size: 1.1rem;
    font-weight: 700;
}

.info-box p {
    opacity: 0.88;
    font-size: 0.98rem;
    margin-top: 4px;
}

.contact-form-card {
    background: #FFFFFF;
    border-radius: var(--radius-lg);
    padding: 48px;
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.08);
    border: 1px solid #E2E8F0;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--primary-blue);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    border: 1.5px solid #CBD5E1;
    font-family: var(--font-main);
    font-size: 1rem;
    transition: var(--transition);
    background-color: #F8FAFC;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-blue);
    background-color: #FFFFFF;
    box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.15);
}

.form-status {
    margin-top: 16px;
    padding: 12px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    display: none;
}

.form-status.success {
    display: block;
    background: #DCFCE7;
    color: #166534;
    border: 1px solid #BBF7D0;
}

.form-status.error {
    display: block;
    background: #FEE2E2;
    color: #991B1B;
    border: 1px solid #FCA5A5;
}

/* ==========================================================================
   Footer & Credit
   ========================================================================== */
.footer {
    background: var(--dark-bg);
    color: var(--text-light);
    padding-top: 80px;
    padding-bottom: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    margin-bottom: 60px;
}

.footer-brand img {
    height: 52px;
    margin-bottom: 20px;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    color: #94A3B8;
    font-size: 0.95rem;
    line-height: 1.7;
    max-width: 320px;
}

.footer-col h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #FFFFFF;
    position: relative;
    padding-bottom: 8px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 28px;
    height: 3px;
    background: var(--primary-green);
    border-radius: 2px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: #94A3B8;
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--primary-green);
    transform: translateX(4px);
}

.footer-contact-item {
    display: flex;
    gap: 12px;
    margin-bottom: 14px;
    color: #94A3B8;
    font-size: 0.92rem;
}

.footer-contact-item i {
    color: var(--primary-green);
    font-size: 1.2rem;
    margin-top: 2px;
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.9rem;
    color: #94A3B8;
}

.developer-credit {
    font-weight: 600;
    color: #E2E8F0;
}

.developer-credit span {
    color: var(--primary-green-glow);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 992px) {
    .page-hero h1 {
        font-size: 2.6rem;
    }

    .grid-2, .contact-grid, .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .mobile-toggle {
        display: block;
    }

    .nav-links {
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 30px;
        border-radius: var(--radius-md);
        box-shadow: var(--glass-shadow);
        display: none;
    }

    .nav-links.active {
        display: flex;
    }
}