/* CSS Variables & Design System */
:root {
    /* Brand Colors */
    --color-navy: #1a2332;
    --color-cyan: #00d4ff;
    --color-blue: #0066ff;
    --color-charcoal: #2d3748;
    --color-grey-light: #f7fafc;
    --color-white: #ffffff;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-navy) 0%, #2d4a7c 100%);
    --gradient-accent: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-blue) 100%);
    --gradient-text: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-blue) 100%);
    
    /* Typography */
    --font-display: 'Syne', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-charcoal);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--color-white);
}

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

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all var(--transition-normal);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav.scrolled {
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.logo {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--color-navy);
}

.logo-sub {
    font-size: 1rem;
    font-weight: 600;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    text-decoration: none;
    color: var(--color-charcoal);
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    transition: width var(--transition-normal);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link-cta {
    background: var(--gradient-accent);
    color: var(--color-white);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    transition: all var(--transition-normal);
}

.nav-link-cta::after {
    display: none;
}

.nav-link-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    color: var(--color-white);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-navy);
    transition: all var(--transition-normal);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #f7fafc 0%, #e8f4f8 100%);
    z-index: 0;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: var(--gradient-accent);
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #0066ff 0%, #6366f1 100%);
    bottom: -150px;
    left: -100px;
    animation-delay: 5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #00d4ff 0%, #0891b2 100%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(20px, 30px) scale(1.02); }
}

.hero-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-content {
    animation: fadeInUp 0.8s ease;
}

.hero-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--color-cyan);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-blue);
    margin-bottom: var(--spacing-sm);
}

.hero-title {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--color-navy);
    margin-bottom: var(--spacing-sm);
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-charcoal);
    margin-bottom: var(--spacing-md);
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    font-size: 1rem;
    font-family: var(--font-body);
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

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

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

.btn-secondary:hover {
    background: var(--color-navy);
    color: var(--color-white);
}

.btn-full {
    width: 100%;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 500px;
    animation: fadeIn 1s ease 0.3s both;
}

.floating-card {
    position: absolute;
    background: var(--color-white);
    padding: 1.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    animation: floatCard 6s infinite ease-in-out;
}

.card-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    right: 10%;
    animation-delay: 2s;
}

.card-3 {
    bottom: 15%;
    left: 30%;
    animation-delay: 4s;
}

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

.card-icon {
    font-size: 2rem;
}

.card-label {
    font-weight: 600;
    color: var(--color-navy);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-charcoal);
    font-size: 0.875rem;
    opacity: 0.7;
    animation: fadeIn 1s ease 1s both;
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: var(--gradient-accent);
    animation: scrollPulse 2s infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(1); }
    50% { opacity: 1; transform: scaleY(1.2); }
}

/* Section Styles */
section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(0, 102, 255, 0.1) 100%);
    border: 1px solid var(--color-cyan);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-blue);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-navy);
    line-height: 1.2;
}

/* Services Section */
.services {
    background: var(--color-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 20px;
    border: 2px solid transparent;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, rgba(0, 102, 255, 0.05) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

.service-card:hover::before {
    opacity: 1;
}

.service-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
    position: absolute;
    top: 1rem;
    right: 1rem;
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-accent);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.service-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: var(--spacing-xs);
}

.service-description {
    color: var(--color-charcoal);
    margin-bottom: var(--spacing-sm);
}

.service-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.service-features li {
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-charcoal);
    font-size: 0.95rem;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-cyan);
    font-weight: 700;
}

/* Why JDDA Section */
.why-jdda {
    background: linear-gradient(135deg, #f7fafc 0%, #e8f4f8 100%);
}

.why-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.why-description {
    font-size: 1.125rem;
    color: var(--color-charcoal);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.why-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.stat {
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-label {
    color: var(--color-charcoal);
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

.why-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.feature-item {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--color-white);
    border-radius: 16px;
    transition: all var(--transition-normal);
}

.feature-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-accent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: 700;
    flex-shrink: 0;
}

.feature-content h4 {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 0.25rem;
}

.feature-content p {
    color: var(--color-charcoal);
    font-size: 0.95rem;
}

/* Process Section */
.process {
    background: var(--color-white);
}

.process-timeline {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.process-step {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: var(--spacing-md);
    position: relative;
}

.process-step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 40px;
    top: 80px;
    width: 2px;
    height: calc(100% + var(--spacing-lg));
    background: linear-gradient(180deg, var(--color-cyan) 0%, rgba(0, 212, 255, 0.2) 100%);
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-white);
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 1;
}

.step-content {
    padding-top: var(--spacing-sm);
}

.step-content h3 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: var(--spacing-xs);
}

.step-content p {
    color: var(--color-charcoal);
    font-size: 1.125rem;
    line-height: 1.8;
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, var(--color-navy) 0%, #2d4a7c 100%);
    color: var(--color-white);
}

.contact .section-tag {
    background: rgba(0, 212, 255, 0.2);
    border-color: var(--color-cyan);
    color: var(--color-cyan);
}

.contact .section-title {
    color: var(--color-white);
}

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

.contact-description {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(0, 212, 255, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-label {
    font-size: 0.875rem;
    opacity: 0.7;
    margin-bottom: 0.25rem;
}

.contact-value {
    font-weight: 600;
    font-size: 1.125rem;
}

/* Contact Form */
.contact-form {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-navy);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-cyan);
}

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

/* Footer */
.footer {
    background: var(--color-navy);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-tagline {
    opacity: 0.7;
    margin-top: var(--spacing-xs);
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.footer-column h4 {
    font-family: var(--font-display);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.footer-column ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-cyan);
}

.footer-bottom {
    text-align: center;
    opacity: 0.7;
    font-size: 0.875rem;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

.fade-in {
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-container {
        grid-template-columns: 1fr;
    }
    
    .hero-visual {
        height: 300px;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .why-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .why-stats {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: var(--color-white);
        width: 100%;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
        transition: left var(--transition-normal);
        align-items: flex-start;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .process-step {
        grid-template-columns: 60px 1fr;
    }
    
    .step-number {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .process-step:not(:last-child)::after {
        left: 30px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .why-stats {
        grid-template-columns: 1fr;
    }
}