/* ===================================
   RoblesTech - Modern AI-Tech Design System
   ================================== */

/* CSS Custom Properties */
:root {
    /* Colors - AI-Tech Palette */
    --primary-blue: #0066FF;
    --secondary-cyan: #00D4FF;
    --accent-purple: #6366F1;
    --dark-navy: #1A1A2E;
    --darker-navy: #16213E;
    --light-gray: #F8FAFC;
    --medium-gray: #64748B;
    --dark-gray: #334155;
    --white: #FFFFFF;
    --black: #000000;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0066FF 0%, #00D4FF 100%);
    --gradient-secondary: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
    --gradient-dark: linear-gradient(135deg, #1A1A2E 0%, #16213E 100%);
    --gradient-light: linear-gradient(135deg, #F8FAFC 0%, #E2E8F0 100%);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-secondary: 'Poppins', sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    --font-weight-black: 900;
    
    /* Font Sizes */
    --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;
    --font-size-6xl: 3.75rem;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --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);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 20px rgba(0, 102, 255, 0.3);
    --shadow-glow-cyan: 0 0 20px rgba(0, 212, 255, 0.3);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-Index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
}

/* Reset and Base Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--dark-navy);
    background-color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    color: var(--dark-navy);
    margin-bottom: var(--space-md);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--space-md);
    color: var(--medium-gray);
}

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

a:hover {
    color: var(--secondary-cyan);
}

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

.section {
    padding: var(--space-5xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-4xl);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--dark-navy);
    margin-bottom: var(--space-lg);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.section-title.text-left::after {
    left: 0;
    transform: none;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--medium-gray);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-dark);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
    animation: fadeInUp 1s ease;
}

.loading-logo img {
    width: 120px;
    height: 120px;
    margin-bottom: var(--space-lg);
    animation: pulse 2s infinite;
}

.loading-text h2 {
    color: var(--white);
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-sm);
}

.loading-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-base);
    margin-bottom: var(--space-xl);
}

.loading-progress {
    width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin: 0 auto;
}

.loading-bar {
    width: 0;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    animation: loadingProgress 2s ease-in-out;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: var(--z-fixed);
    padding: var(--space-md) 0;
    transition: all var(--transition-normal);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-lg);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--dark-navy);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-xl);
    transition: transform var(--transition-normal);
}

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

.nav-logo img {
    height: 40px;
    width: auto;
    margin-right: var(--space-sm);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
    margin: 0;
    padding: 0;
}

.nav-link {
    text-decoration: none;
    color: var(--dark-navy);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-base);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    position: relative;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-blue);
    background: rgba(0, 102, 255, 0.05);
}

.nav-link:hover::before,
.nav-link.active::before {
    width: 80%;
}

.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    transition: background var(--transition-normal);
}

.hamburger:hover {
    background: rgba(0, 102, 255, 0.1);
}

.hamburger-line {
    width: 25px;
    height: 3px;
    background: var(--dark-navy);
    margin: 3px 0;
    transition: all var(--transition-normal);
    border-radius: var(--radius-sm);
}

.hamburger.active .hamburger-line:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: var(--gradient-dark);
    color: var(--white);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::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(255,255,255,0.05)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    animation: gridMove 20s linear infinite;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.hero-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><circle cx="100" cy="100" r="2" fill="rgba(0,212,255,0.3)"><animate attributeName="opacity" values="0;1;0" dur="3s" repeatCount="indefinite"/></circle><circle cx="300" cy="200" r="1.5" fill="rgba(0,102,255,0.4)"><animate attributeName="opacity" values="0;1;0" dur="4s" repeatCount="indefinite"/></circle><circle cx="500" cy="150" r="2.5" fill="rgba(99,102,241,0.3)"><animate attributeName="opacity" values="0;1;0" dur="5s" repeatCount="indefinite"/></circle></svg>');
    animation: particleFloat 15s ease-in-out infinite;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: var(--font-weight-black);
    line-height: 1.1;
    margin-bottom: var(--space-xl);
    animation: fadeInUp 1s ease 0.2s both;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.highlight-text {
    color: var(--secondary-cyan);
    display: block;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-2xl);
    line-height: 1.6;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
    animation: fadeInUp 1s ease 0.6s both;
}

.stat {
    text-align: center;
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform var(--transition-normal);
}

.stat:hover {
    transform: translateY(-5px);
}

.stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-black);
    color: var(--secondary-cyan);
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    font-weight: var(--font-weight-medium);
}

.hero-buttons {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
    animation: fadeInUp 1s ease 0.8s both;
}

.hero-visual {
    position: relative;
    height: 500px;
    animation: fadeInRight 1s ease 0.5s both;
}

.floating-elements {
    position: relative;
    width: 100%;
    height: 100%;
}

.floating-icon {
    position: absolute;
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    color: var(--secondary-cyan);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: float 6s ease-in-out infinite;
    animation-delay: var(--delay);
}

.floating-icon:nth-child(1) { top: 10%; left: 20%; }
.floating-icon:nth-child(2) { top: 20%; right: 10%; }
.floating-icon:nth-child(3) { top: 40%; left: 10%; }
.floating-icon:nth-child(4) { top: 60%; right: 20%; }
.floating-icon:nth-child(5) { bottom: 20%; left: 30%; }
.floating-icon:nth-child(6) { bottom: 10%; right: 30%; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg) var(--space-2xl);
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    transition: all var(--transition-normal);
    border: none;
    cursor: pointer;
    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: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-3px);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.btn-magnetic {
    transition: transform var(--transition-normal);
}

/* Services Section */
.services {
    background: var(--light-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-2xl);
}

.service-card {
    background: var(--white);
    padding: var(--space-2xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid rgba(0, 102, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    color: var(--white);
    margin-bottom: var(--space-lg);
    transition: transform var(--transition-normal);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-card h3 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--dark-navy);
    margin-bottom: var(--space-md);
}

.service-card p {
    color: var(--medium-gray);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.service-features {
    list-style: none;
    margin-bottom: var(--space-xl);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    color: var(--dark-gray);
    font-size: var(--font-size-sm);
}

.service-features i {
    color: var(--primary-blue);
    font-size: var(--font-size-xs);
}

.service-cta {
    margin-top: auto;
}

.btn-service {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--primary-blue);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.btn-service:hover {
    color: var(--secondary-cyan);
    transform: translateX(5px);
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: var(--space-2xl);
}

.project-card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    position: relative;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 1;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-glow);
}

.project-card:hover::before {
    opacity: 0.05;
}

.project-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.project-content {
    padding: var(--space-2xl);
    position: relative;
    z-index: 2;
}

.project-content h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--dark-navy);
    margin-bottom: var(--space-md);
}

.project-content p {
    color: var(--medium-gray);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.project-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.project-stats .stat {
    background: var(--light-gray);
    border: none;
    color: var(--dark-navy);
}

.project-stats .stat-number {
    color: var(--primary-blue);
    font-size: var(--font-size-xl);
}

.project-stats .stat-label {
    color: var(--medium-gray);
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.about-description {
    margin-bottom: var(--space-2xl);
}

.about-description .lead {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--primary-blue);
    margin-bottom: var(--space-lg);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.value-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.value-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    flex-shrink: 0;
}

.value-content h4 {
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-sm);
    color: var(--dark-navy);
}

.value-content p {
    font-size: var(--font-size-sm);
    color: var(--medium-gray);
    margin: 0;
}

.certifications {
    background: var(--light-gray);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
}

.certifications h4 {
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-md);
    color: var(--dark-navy);
}

.cert-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.about-visual {
    position: relative;
}

.about-image {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.about-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0.1;
}

.experience-badge {
    position: absolute;
    bottom: var(--space-lg);
    left: var(--space-lg);
    background: var(--white);
    padding: var(--space-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
    z-index: 3;
}

.experience-number {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-black);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.experience-label {
    font-size: var(--font-size-sm);
    color: var(--medium-gray);
    margin: 0;
}

/* Contact Section */
.contact {
    background: var(--light-gray);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    flex-shrink: 0;
}

.contact-details h4 {
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-sm);
    color: var(--dark-navy);
}

.contact-details p {
    margin-bottom: var(--space-xs);
}

.contact-details a {
    color: var(--primary-blue);
    transition: color var(--transition-normal);
}

.contact-details a:hover {
    color: var(--secondary-cyan);
}

.contact-details span {
    font-size: var(--font-size-sm);
    color: var(--medium-gray);
}

.contact-form-container {
    background: var(--white);
    padding: var(--space-2xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-label {
    font-weight: var(--font-weight-medium);
    color: var(--dark-navy);
    margin-bottom: var(--space-sm);
    font-size: var(--font-size-sm);
}

.form-input,
.form-select,
.form-textarea {
    padding: var(--space-md);
    border: 2px solid #E2E8F0;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-family: var(--font-primary);
    transition: all var(--transition-normal);
    background: var(--white);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
}

.checkbox-label input[type="checkbox"] {
    margin-top: 2px;
}

.checkbox-text {
    color: var(--medium-gray);
    line-height: 1.5;
}

.link {
    color: var(--primary-blue);
    text-decoration: underline;
}

.link:hover {
    color: var(--secondary-cyan);
}

/* Footer */
.footer {
    background: var(--dark-navy);
    color: var(--white);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-section h4 {
    color: var(--white);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-lg);
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: all var(--transition-normal);
}

.social-link:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: var(--shadow-glow);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--transition-normal);
}

.footer-links a:hover {
    color: var(--white);
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    font-size: var(--font-size-sm);
}

.footer-contact i {
    color: var(--secondary-cyan);
    width: 16px;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--transition-normal);
}

.footer-contact a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-xl);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
    margin: 0;
}

.footer-legal {
    display: flex;
    gap: var(--space-lg);
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--transition-normal);
}

.footer-legal a:hover {
    color: var(--white);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-full);
    color: var(--white);
    font-size: var(--font-size-lg);
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    opacity: 0;
    visibility: hidden;
    z-index: var(--z-fixed);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: var(--shadow-glow);
}

/* Utility Classes */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-xs) var(--space-md);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    color: var(--white);
}

.badge-outline {
    background: transparent;
    border: 1px solid var(--primary-blue);
    color: var(--primary-blue);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

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

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

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

@keyframes loadingProgress {
    0% {
        width: 0;
    }
    100% {
        width: 100%;
    }
}

@keyframes gridMove {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(10px, 10px);
    }
}

@keyframes particleFloat {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    33% {
        transform: translateY(-10px) rotate(120deg);
    }
    66% {
        transform: translateY(5px) rotate(240deg);
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    animation: fadeInLeft 1s ease forwards;
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    animation: fadeInRight 1s ease forwards;
}

.stagger-children > * {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.stagger-children > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.5s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.6s; }

.animate-on-load {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards;
}

.card-tilt {
    transition: transform var(--transition-normal);
}

.card-tilt:hover {
    transform: perspective(1000px) rotateX(5deg) rotateY(5deg);
}

.card-glow {
    transition: all var(--transition-normal);
}

.card-glow:hover {
    box-shadow: var(--shadow-glow);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content,
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .hero-visual {
        height: 300px;
    }
    
    .services-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
        text-align: center;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .service-card {
        padding: var(--space-xl);
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    .back-to-top {
        bottom: var(--space-lg);
        right: var(--space-lg);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-sm);
    }
    
    .section {
        padding: var(--space-3xl) 0;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .stat {
        padding: var(--space-md);
    }
    
    .service-card,
    .project-card .project-content,
    .contact-form-container {
        padding: var(--space-lg);
    }
    
    .floating-icon {
        width: 60px;
        height: 60px;
        font-size: var(--font-size-lg);
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --primary-blue: #0000FF;
        --secondary-cyan: #00FFFF;
        --dark-navy: #000000;
        --white: #FFFFFF;
        --medium-gray: #666666;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .back-to-top,
    .loading-screen {
        display: none !important;
    }
    
    .hero {
        min-height: auto;
        padding: var(--space-xl) 0;
    }
    
    .section {
        padding: var(--space-lg) 0;
        break-inside: avoid;
    }
    
    .service-card,
    .project-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
}