/* ==========================================================================
   Design Tokens & Variables
   ========================================================================== */
:root {
    /* Color Palette - TGA Solutions */
    --color-primary: #2B343E; /* Dark Grey/Blue from branding */
    --color-primary-light: #3D4856;
    --color-secondary: #1B4871; /* Logo Blue */
    --color-secondary-hover: #13385B;
    --color-accent: #4AC0C8; /* Teal Accent (formerly secondary) */
    --color-accent-hover: #3BA5AC;
    
    --color-text-main: #334155;
    --color-text-muted: #64748b;
    --color-text-light: #f8fafc;
    
    --color-bg-main: #ffffff;
    --color-bg-alt: #f1f5f9;
    --color-bg-dark: #2B343E;

    /* Typography */
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    
    /* Spacing */
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;
    --space-2xl: 8rem;

    /* Transitions & Shadows */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease-in-out;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    
    /* Border Radius */
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;
}

/* ==========================================================================
   Base Styles
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

h1, h2, h3, h4 {
    color: var(--color-primary);
    line-height: 1.2;
    font-weight: 700;
}

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

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

/* ==========================================================================
   Buttons & Badges
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    font-size: 1rem;
}

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

.btn-primary {
    background-color: var(--color-secondary);
    color: var(--color-text-light);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary-light);
}

.btn-secondary:hover {
    background-color: var(--color-bg-alt);
}

.btn-urgent {
    background-color: var(--color-accent);
    color: white;
}

.btn-urgent:hover {
    background-color: var(--color-accent-hover);
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: rgba(14, 165, 233, 0.1);
    color: var(--color-secondary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-bg-alt);
    z-index: 1000;
    transition: padding var(--transition-normal), box-shadow var(--transition-normal);
    padding: 1rem 0;
}

.navbar.scrolled {
    padding: 0.75rem 0;
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    color: var(--color-text-main);
}

.nav-links a:hover {
    color: var(--color-secondary);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-primary);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    padding-top: calc(80px + var(--space-xl));
    padding-bottom: var(--space-xl);
    background-color: var(--color-bg-alt);
    min-height: 90vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

/* Subtle background accent */
.hero::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -5%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(14,165,233,0.1) 0%, rgba(255,255,255,0) 70%);
    border-radius: 50%;
    z-index: 0;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: var(--space-md);
    letter-spacing: -1px;
}


.hero-content h1 span {
    color: var(--color-secondary);
}

.hero-content p {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
    max-width: 90%;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
}

.image-placeholder {
    width: 100%;
    aspect-ratio: 4/3;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    box-shadow: var(--shadow-xl);
}

.gradient-bg {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

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

.delay-1 {
    animation-delay: 0.2s;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content p {
        margin: 0 auto var(--space-lg);
    }

    .hero-actions {
        justify-content: center;
    }
    
    .hero-content h1 {
        font-size: 2.75rem;
    }
}

@media (max-width: 768px) {
    .nav-links, .nav-action {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-content h1 {
        font-size: 2.25rem;
    }
}

/* ==========================================================================
   Sections General
   ========================================================================== */
.section {
    padding: var(--space-xl) 0;
}

.bg-light {
    background-color: var(--color-bg-alt);
}

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

.text-light {
    color: var(--color-text-light);
}

.text-light h2, .text-light p {
    color: var(--color-text-light);
}

.section-header {
    margin-bottom: var(--space-xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
}

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

/* ==========================================================================
   Services Section
   ========================================================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.service-card {
    background: var(--color-bg-main);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 1px solid var(--color-bg-alt);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-secondary);
}

.service-icon {
    width: 64px;
    height: 64px;
    background-color: rgba(14, 165, 233, 0.1);
    color: var(--color-secondary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
}

.service-card h3 {
    margin-bottom: var(--space-sm);
    font-size: 1.25rem;
}

.service-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.image-placeholder-small {
    aspect-ratio: 4/5;
}

.gradient-bg-alt {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-text-muted) 100%);
}

.about-content h2 {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.about-content p {
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
    font-size: 1.1rem;
}

.feature-list {
    list-style: none;
    margin-bottom: var(--space-lg);
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    font-weight: 500;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.contact-info p {
    margin-bottom: var(--space-lg);
    font-size: 1.1rem;
    opacity: 0.9;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.1rem;
    font-weight: 500;
}

.contact-form-container {
    background-color: var(--color-bg-main);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    color: var(--color-text-main);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #cbd5e1;
    border-radius: var(--radius-md);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2);
}

.w-100 {
    width: 100%;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background-color: var(--color-primary-light);
    color: var(--color-text-light);
    padding: var(--space-lg) 0;
    font-size: 0.9rem;
}

/* ==========================================================================
   More Responsive Updates
   ========================================================================== */
@media (max-width: 992px) {
    .about-container,
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
}