/* ==========================================================================
   Global Variables & Reset
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette - Ultra Minimalist Enterprise */
    --bg-main: #0a0a0a; /* Stark Black */
    --surface-light: #111111; /* Off-Black */
    --surface-glass: rgba(10, 10, 10, 0.95);
    --border-light: #262626; /* Stark gray border */
    
    --text-primary: #ededed;
    --text-secondary: #a3a3a3;
    
    --accent-blue: #0066cc; /* Classic Corporate Blue */
    --accent-cyan: #0066cc; 
    --accent-indigo: #0066cc; 
    --accent-gold: #c2a34f;
    
    --gradient-primary: var(--accent-blue);
    --gradient-glow: var(--accent-blue);
    
    /* Typography */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Layout */
    --max-width: 1200px;
    --header-height: 80px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Light Theme Overrides */
:root[data-theme="light"] {
    --bg-main: #ffffff;
    --surface-main: #ffffff;
    --surface-light: #f5f5f5;
    --text-main: #171717;
    --text-secondary: #525252;
    --border-light: #e5e5e5;
}

:root[data-theme="light"] .form-group input, 
:root[data-theme="light"] .form-group select, 
:root[data-theme="light"] .form-group textarea {
    background: #ffffff;
    color: #0f172a;
    border: 1px solid #cbd5e1;
}

/* Theme Toggle Button */
.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 1.2rem;
    cursor: pointer;
    transition: color 0.3s ease, transform 0.3s ease;
    padding: 8px;
}

.btn-icon:hover {
    color: var(--accent-cyan);
    transform: rotate(15deg);
}

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

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.25;
}

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

ul {
    list-style: none;
}

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

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 5%;
}

.text-gradient {
    color: var(--accent-blue);
    display: inline-block;
}

.section-padding {
    padding: 100px 0;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.01em;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
    outline: none;
    text-align: center;
}

.btn-primary {
    background: var(--text-primary);
    color: var(--bg-main);
}

.btn-primary:active {
    transform: scale(0.98);
}

.btn-primary:hover {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--text-primary);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.btn-secondary:active {
    transform: scale(0.98);
}

.btn-secondary:hover {
    border-color: var(--text-primary);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: var(--surface-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    transition: var(--transition-smooth);
}

.header.scrolled {
    height: 70px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: var(--gradient-primary);
    border-radius: 8px;
    display: inline-block;
}

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

.nav-links a {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-secondary);
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-smooth);
}

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

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

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: white;
    transition: var(--transition-fast);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background: #06090e;
    padding: 80px 0 40px;
    border-top: 1px solid var(--border-light);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 15px;
    font-size: 0.95rem;
}

.footer-heading {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--accent-blue);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-light);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ==========================================================================
   Animations
   ========================================================================== */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ==========================================================================
   Responsive
   ========================================================================== */
/* ==========================================================================
   Homepage Specific Styles
   ========================================================================== */

/* Hero Section */
.hero {
    position: relative;
    padding: 180px 0 100px;
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url('https://images.unsplash.com/photo-1550751827-4bd374c3f58b?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') center/cover no-repeat;
}

.hero-bg-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to right, rgba(10, 15, 24, 0.95), rgba(10, 15, 24, 0.7));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.text-center { text-align: center; }

/* Trust Bar */
.trust-bar {
    background: #0f172a;
    padding: 30px 0;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.trust-subtitle {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-secondary);
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.trust-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 40px;
}

.trust-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.2rem;
    color: #64748b;
    font-weight: 600;
    transition: var(--transition-fast);
}

.trust-logo:hover {
    color: var(--text-primary);
}

/* Sections Global */
.section-header {
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--surface-light);
    border: 1px solid var(--border-light);
    border-radius: 4px; /* Ultra minimal */
    padding: 40px 30px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-2px);
    border-color: var(--text-secondary);
}

.service-icon {
    font-size: 2rem;
    color: var(--accent-blue);
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    margin-bottom: 25px;
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.service-features {
    margin-bottom: 30px;
}

.service-features li {
    margin-bottom: 10px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-features li i {
    color: var(--accent-cyan);
    font-size: 0.8rem;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-blue);
    font-weight: 600;
}

.service-link:hover {
    gap: 12px;
}

/* Split Layout */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.check-list {
    margin-top: 30px;
}

.check-list li {
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 15px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.check-list li strong {
    color: var(--text-primary);
}

.check-list li i {
    color: var(--accent-cyan);
    font-size: 1.2rem;
    margin-top: 2px;
}

.glass-panel {
    background: var(--surface-glass);
    border: 1px solid var(--border-light);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 40px;
}

.glass-panel h3 {
    font-size: 1.5rem;
    margin-bottom: 30px;
}

.solution-item {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
}

.solution-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(14, 165, 233, 0.1);
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.solution-text h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.solution-text p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: var(--surface-light);
    border-radius: 12px;
    padding: 40px;
    border: 1px solid var(--border-light);
}

.quote-icon {
    font-size: 2rem;
    color: rgba(14, 165, 233, 0.2);
    margin-bottom: 20px;
}

.testimonial-text {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 30px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-info strong {
    display: block;
    color: var(--accent-cyan);
}

.author-info span {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Blog */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.blog-card {
    background: var(--bg-main);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    overflow: hidden;
    display: block;
}

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

.blog-img {
    height: 200px;
    width: 100%;
    transition: var(--transition-smooth);
}

.blog-content {
    padding: 30px;
}

.blog-tag {
    font-size: 0.8rem;
    background: rgba(99, 102, 241, 0.2);
    color: var(--accent-indigo);
    padding: 4px 10px;
    border-radius: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    display: inline-block;
}

.blog-content h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.blog-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.cta-section::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect fill="rgba(255,255,255,0.05)" width="100" height="100"/><circle fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="2" cx="50" cy="50" r="40"/></svg>') repeat;
    opacity: 0.4;
    z-index: 1;
}

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

.cta-section h2 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* ==========================================================================
   Inner Pages Specific Styles (Services & Contact)
   ========================================================================== */
.page-header {
    padding: 150px 0 60px;
    background: radial-gradient(circle at center 20%, rgba(14, 165, 233, 0.15) 0%, transparent 60%);
}

.category-tabs {
    display: inline-flex;
    background: rgba(255, 255, 255, 0.05);
    padding: 8px;
    border-radius: 50px;
    gap: 10px;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 12px 30px;
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    border-radius: 40px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}

.service-view {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.service-view.visible {
    opacity: 1;
    transform: translateY(0);
}

.service-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-detail-card {
    background: var(--surface-light);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 40px 30px;
}

.service-detail-card h3 {
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.detail-list li {
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: var(--text-secondary);
}

.detail-list li i {
    color: var(--accent-cyan);
    margin-top: 4px;
}

/* Contact Styles */
.contact-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 60px;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-secondary);
}

.custom-form input,
.custom-form select,
.custom-form textarea {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 12px 15px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.custom-form input:focus,
.custom-form select:focus,
.custom-form textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    background: rgba(0, 0, 0, 0.4);
}

.w-100 {
    width: 100%;
}

.side-heading {
    font-size: 1.5rem;
    margin-bottom: 30px;
}

.location-card {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    background: var(--surface-light);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid var(--border-light);
}

.loc-icon {
    font-size: 2rem;
    color: var(--accent-cyan);
}

.loc-details h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.loc-details p {
    color: var(--text-secondary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.map-container {
    margin-top: 40px;
    height: 250px;
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-light);
}

.map-placeholder {
    width: 100%;
    height: 100%;
    background: var(--surface-light);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}

.interactive-card {
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.service-summary {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: auto; /* Push things below to bottom */
}

.expanded-content {
    display: none;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
    animation: fadeInDown 0.3s ease forwards;
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.interactive-card.expanded .expanded-content {
    display: block;
}

.expand-btn {
    background: transparent;
    border: none;
    color: var(--accent-cyan);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 25px;
    padding: 0;
}

.expand-btn i {
    transition: transform 0.3s ease;
}

.interactive-card.expanded .expand-btn i {
    transform: rotate(180deg);
}

.mt-3 {
    margin-top: 1rem;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}

/* Responsive Overrides */
@media (max-width: 992px) {
    .nav-links {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: var(--surface-light);
        flex-direction: column;
        padding: 30px 0;
        border-bottom: 1px solid var(--border-light);
        box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .hero-title {
        font-size: 3rem;
    }
    
    .split-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .section-padding {
        padding: 60px 0;
    }
    .hero-title {
        font-size: 2.2rem;
    }
}