/* --- Modern CSS Reset & Variables --- */
:root {
    /* Modern Color Palette */
    --primary: #2563eb;           /* Modern Blue */
    --primary-dark: #1e40af;      /* Darker Blue */
    --primary-light: #3b82f6;    /* Lighter Blue */
    --secondary: #059669;         /* Modern Green */
    --accent: #f59e0b;            /* Amber Accent */
    --neutral-50: #f8fafc;
    --neutral-100: #f1f5f9;
    --neutral-200: #e2e8f0;
    --neutral-300: #cbd5e1;
    --neutral-400: #94a3b8;
    --neutral-500: #64748b;
    --neutral-600: #475569;
    --neutral-700: #334155;
    --neutral-800: #1e293b;
    --neutral-900: #0f172a;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--neutral-700);
    background-color: var(--neutral-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--neutral-900);
    margin-bottom: var(--space-4);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    margin-bottom: var(--space-4);
    color: var(--neutral-600);
}

.lead {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--neutral-500);
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border: none;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.875rem;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: white;
    color: var(--primary);
    border: 2px solid var(--primary);
    box-shadow: var(--shadow);
}

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

.btn-accent {
    background: linear-gradient(135deg, var(--secondary), #047857);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-cta {
    background: linear-gradient(135deg, var(--accent), #d97706);
    color: white;
    font-weight: 700;
    padding: var(--space-3) var(--space-8);
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.large-btn {
    padding: var(--space-4) var(--space-8);
    font-size: 1.125rem;
}

/* Header */
.main-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--neutral-200);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 80px;
}

.logo {
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo-img {
    height: 50px;
    width: auto;
    max-width: 200px;
    transition: var(--transition);
}

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

.main-nav ul {
    display: flex;
    list-style: none;
    gap: var(--space-8);
    align-items: center;
}

.main-nav a {
    color: var(--neutral-700);
    text-decoration: none;
    font-weight: 500;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius);
    transition: var(--transition);
    position: relative;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--primary);
    background: var(--neutral-100);
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
    transform: translateX(-50%);
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 80%;
}

/* Mobile Menu */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    flex-direction: column;
    gap: 4px;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--neutral-700);
    transition: var(--transition);
}

.menu-toggle:hover span {
    background: var(--primary);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: var(--space-24) 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 600px;
}

.hero-content h1 {
    color: white;
    margin-bottom: var(--space-6);
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: var(--space-8);
    color: rgba(255, 255, 255, 0.9);
}

.hero-content .btn {
    margin-right: var(--space-4);
    margin-bottom: var(--space-4);
}

/* Sections */
.section-padding {
    padding: var(--space-20) 0;
}

.bg-light {
    background: var(--neutral-50);
}

.bg-dark {
    background: var(--neutral-900);
    color: white;
}

.bg-dark h2,
.bg-dark h3 {
    color: white;
}

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

/* Page Title Hero */
.page-title-hero {
    background: linear-gradient(135deg, var(--neutral-100), var(--neutral-200));
    padding: var(--space-16) 0;
    text-align: center;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.service-card {
    background: white;
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--neutral-200);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.service-card h3 {
    color: var(--neutral-900);
    margin-bottom: var(--space-4);
}

.read-more {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.read-more:hover {
    color: var(--primary-dark);
}

/* Portfolio Highlights */
.highlight-item {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-12);
    align-items: center;
    background: white;
    padding: var(--space-12);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    margin-top: var(--space-12);
}

.project-icon {
    font-size: 4rem;
    text-align: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-lg);
    padding: var(--space-12);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

.project-details h3 {
    color: var(--neutral-900);
    margin-bottom: var(--space-4);
}

.project-details p {
    margin-bottom: var(--space-6);
}

/* Story Grid */
.story-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
    margin-top: var(--space-12);
}

.story-text h2 {
    color: var(--neutral-900);
    margin-bottom: var(--space-6);
}

.story-text p {
    margin-bottom: var(--space-4);
    line-height: 1.7;
}

.story-icon {
    font-size: 6rem;
    text-align: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-xl);
    padding: var(--space-16);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

/* Team Section */
.team-icon {
    font-size: 3rem;
    text-align: center;
    margin-bottom: var(--space-4);
    padding: var(--space-6);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-lg);
    color: white;
    box-shadow: var(--shadow-md);
}

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

.team-member h3 {
    color: var(--neutral-900);
    margin-bottom: var(--space-2);
}

.team-member p {
    color: var(--neutral-500);
    font-style: italic;
}

/* Service Details */
.service-detail {
    margin-bottom: var(--space-16);
    padding: var(--space-8);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.service-detail h2 {
    color: var(--neutral-900);
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 3px solid var(--primary);
}

.service-detail ul {
    list-style: none;
    margin-top: var(--space-6);
}

.service-detail li {
    padding: var(--space-3) 0;
    position: relative;
    padding-left: var(--space-8);
    color: var(--neutral-600);
}

.service-detail li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: bold;
    font-size: 1.2em;
}

/* Portfolio Gallery */
.portfolio-gallery {
    margin-top: var(--space-12);
}

.project-item {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.project-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.project-item .project-icon {
    font-size: 3rem;
    margin: var(--space-8);
    padding: var(--space-8);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-lg);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

.project-content {
    padding: var(--space-6);
}

.project-item h3 {
    color: var(--neutral-900);
    margin-bottom: var(--space-3);
}

.project-tag {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-xl);
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: var(--space-3);
}

/* Contact Form */
.contact-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-12);
}

.contact-form-container {
    background: white;
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.contact-form-container h2 {
    color: var(--neutral-900);
    margin-bottom: var(--space-6);
}

.form-group {
    margin-bottom: var(--space-6);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-2);
    font-weight: 600;
    color: var(--neutral-700);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-3);
    border: 2px solid var(--neutral-200);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--neutral-50);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-message {
    margin-top: var(--space-4);
    padding: var(--space-3);
    border-radius: var(--radius);
    display: none;
    font-weight: 500;
}

.contact-info {
    background: white;
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.contact-info h2 {
    color: var(--neutral-900);
    margin-bottom: var(--space-6);
}

.contact-info p {
    margin-bottom: var(--space-4);
    color: var(--neutral-600);
}

.map-embed {
    margin-top: var(--space-8);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.map-embed iframe {
    display: block;
    width: 100%;
    height: 300px;
}

/* Footer */
.main-footer {
    background: var(--neutral-900);
    color: white;
    padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-8);
    border-bottom: 1px solid var(--neutral-700);
}

.footer-col h4 {
    color: white;
    margin-bottom: var(--space-4);
    font-size: 1.125rem;
}

.footer-col a {
    color: var(--neutral-300);
    text-decoration: none;
    display: block;
    margin-bottom: var(--space-2);
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--primary);
}

.copyright {
    text-align: center;
    color: var(--neutral-400);
    font-size: 0.875rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.fade-in {
    animation: fadeInUp 0.8s ease-out;
}

.slide-in-left {
    animation: slideInLeft 0.8s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.8s ease-out;
}

/* Loading state */
body:not(.loaded) {
    opacity: 0;
    transition: opacity 0.5s ease;
}

body.loaded {
    opacity: 1;
}

/* Hamburger animation */
.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Responsiveness */
@media (max-width: 1024px) {
    .menu-toggle {
        display: flex;
    }

    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        max-height: 0;
        overflow: hidden;
        background: white;
        border-top: 1px solid var(--neutral-200);
        transition: max-height 0.3s ease;
        box-shadow: var(--shadow-lg);
    }
    
    .main-nav.open {
        max-height: 400px;
    }
    
    .main-nav ul {
        flex-direction: column;
        padding: var(--space-6);
        gap: var(--space-4);
    }

    .main-nav a {
        padding: var(--space-3) 0;
        text-align: center;
        width: 100%;
    }

    .main-nav a::after {
        display: none;
    }

    .btn-cta {
        margin: var(--space-4) auto;
        display: block;
        width: 80%;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-4);
    }

    .hero-section {
        padding: var(--space-16) 0;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content .btn {
        margin: var(--space-2);
        display: block;
        width: 100%;
    }

    .highlight-item {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        padding: var(--space-8);
    }

    .project-icon {
        font-size: 3rem;
        padding: var(--space-8);
    }

    .story-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .story-icon {
        font-size: 4rem;
        padding: var(--space-12);
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .team-icon {
        font-size: 2.5rem;
        padding: var(--space-4);
    }

    .logo-img {
        height: 40px;
    }
}

/* Utility Classes */
.mt-4 { margin-top: var(--space-4); }
.mb-4 { margin-bottom: var(--space-4); }
.p-4 { padding: var(--space-4); }
.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.125rem; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }