/* ===================================
   DESIGN TOKENS & COLOR SYSTEM
   =================================== */
:root {
    /* Primary Brand Colors - #e88a25 (Orange/Amber) */
    --primary: #e88a25;
    --primary-dark: #d67b1f;
    --primary-light: #f09d3a;
    
    /* Dark Mode (Default) */
    --black: #0f0f0f;
    --dark-bg: #1a1a1a;
    --dark-secondary: #2d2d2d;
    --gray-600: #666666;
    --gray-400: #999999;
    --gray-200: #e0e0e0;
    --white: #ffffff;
    
    /* Accent Colors */
    --accent: #f09d3a;
    --success: #10b981;
    --error: #ef4444;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 999px;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-mono: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Line Height */
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.6;
    
    /* Transitions */
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
}


/* ===================================
   RESET & BASE STYLES
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--black);
    color: var(--gray-200);
    line-height: var(--line-height-normal);
    font-size: var(--font-size-base);
    overflow-x: hidden;
}

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

a:hover {
    color: var(--accent);
}

h1, h2, h3, h4, h5, h6 {
    color: var(--white);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-5xl);
    font-weight: 700;
}

h2 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
}

h3 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--gray-200);
    line-height: var(--line-height-relaxed);
}

/* ===================================
   CONTAINER & LAYOUT
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ===================================
   NAVIGATION
   =================================== */
.navbar {
    background-color: var(--dark-bg);
    border-bottom: 1px solid var(--dark-secondary);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background-color: rgba(26, 26, 26, 0.95);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--white);
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav-menu a {
    color: var(--gray-200);
    font-size: var(--font-size-base);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--accent);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent);
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--white);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.cta-button {
    background-color: var(--primary);
    color: var(--white) !important;
    padding: var(--spacing-xs) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
}

.cta-button:hover {
    background-color: var(--primary-light);
    color: var(--white) !important;
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.1) 0%, rgba(0, 217, 255, 0.05) 100%);
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(circle at 20% 50%, rgba(0, 102, 204, 0.1) 0%, transparent 50%),
                      radial-gradient(circle at 80% 80%, rgba(0, 217, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--white) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--gray-200);
    margin-bottom: var(--spacing-2xl);
    line-height: var(--line-height-relaxed);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--font-size-base);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.3);
}

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

.btn-secondary:hover {
    background-color: rgba(0, 217, 255, 0.1);
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 48px;
    font-size: var(--font-size-lg);
}

/* ===================================
   SERVICES PREVIEW SECTION
   =================================== */
.services-preview {
    padding: 80px 0;
    background-color: var(--dark-bg);
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    font-size: var(--font-size-4xl);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: 60px;
}

.service-card {
    background-color: var(--dark-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    text-align: center;
    cursor: pointer;
}

.service-card:hover {
    border-color: var(--primary);
    background-color: rgba(0, 102, 204, 0.05);
    transform: translateY(-5px);
}

.service-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
    display: block;
}

.service-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.service-card p {
    font-size: var(--font-size-sm);
    color: var(--gray-400);
}

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

/* ===================================
   WHY CHOOSE US SECTION
   =================================== */
.why-us {
    padding: 80px 0;
    background-color: var(--black);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.why-item {
    background-color: var(--dark-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 3px solid var(--primary);
    transition: var(--transition);
}

.why-item:hover {
    border-left-color: var(--accent);
    background-color: rgba(0, 217, 255, 0.05);
}

.why-item h3 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.why-item p {
    color: var(--gray-400);
    font-size: var(--font-size-sm);
}

/* ===================================
   CTA SECTION
   =================================== */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.15) 0%, rgba(0, 217, 255, 0.1) 100%);
    text-align: center;
    border-top: 1px solid rgba(0, 217, 255, 0.2);
    border-bottom: 1px solid rgba(0, 217, 255, 0.2);
}

.cta-section h2 {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

.cta-section p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2xl);
    color: var(--gray-200);
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background-color: var(--dark-secondary);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: var(--gray-400);
    font-size: var(--font-size-sm);
}

.footer-section a:hover {
    color: var(--accent);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: var(--gray-600);
    font-size: var(--font-size-sm);
}

/* ===================================
   PAGE STYLES - ABOUT
   =================================== */
.about-header {
    padding: 60px 0;
    text-align: center;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin: 40px 0;
}

.team-member {
    background-color: var(--dark-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
}

.team-member:hover {
    border: 1px solid var(--primary);
}

.team-member h4 {
    color: var(--white);
    margin: var(--spacing-md) 0;
}

.team-member p {
    font-size: var(--font-size-sm);
    color: var(--gray-400);
}

/* ===================================
   PAGE STYLES - SERVICES
   =================================== */
.service-detail {
    padding: 40px 0;
    border-bottom: 1px solid var(--dark-secondary);
}

.service-detail:last-child {
    border-bottom: none;
}

.service-detail h3 {
    color: var(--primary-light);
    margin-bottom: var(--spacing-md);
}

.service-detail ul {
    list-style: none;
    margin: var(--spacing-md) 0;
}

.service-detail ul li {
    padding: var(--spacing-sm) 0;
    padding-left: 30px;
    position: relative;
}

.service-detail ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

/* ===================================
   PAGE STYLES - PORTFOLIO
   =================================== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.portfolio-item {
    background-color: var(--dark-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

.portfolio-item:hover {
    transform: translateY(-8px);
    border: 1px solid var(--primary);
}

.portfolio-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
}

.portfolio-content {
    padding: var(--spacing-lg);
}

.portfolio-content h4 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.portfolio-content p {
    font-size: var(--font-size-sm);
    color: var(--gray-400);
    margin-bottom: var(--spacing-md);
}

.portfolio-tags {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.tag {
    background-color: rgba(0, 102, 204, 0.2);
    color: var(--primary-light);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
}

/* ===================================
   PAGE STYLES - CONTACT
   =================================== */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.contact-info {
    background-color: var(--dark-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
}

.contact-info h3 {
    margin-bottom: var(--spacing-lg);
    color: var(--white);
}

.contact-info-item {
    margin-bottom: var(--spacing-lg);
}

.contact-info-item h4 {
    color: var(--accent);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-sm);
}

.contact-form {
    background-color: var(--dark-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    background-color: var(--dark-bg);
    border: 1px solid var(--gray-600);
    border-radius: var(--radius-md);
    color: var(--white);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--dark-bg);
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        border-bottom: 1px solid var(--dark-secondary);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu a {
        padding: var(--spacing-md) 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .logo-text {
        display: none;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    h1 {
        font-size: 1.5rem;
    }
    
    h2 {
        font-size: 1.25rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-menu {
        gap: var(--spacing-sm);
    }
}