/* CSS Custom Properties for Desert Oasis Theme */
:root {
    /* Oasis Color Palette */
    --oasis-teal: #00a693;
    --oasis-sage: #7cb342;
    --oasis-mint: #26a69a;
    --oasis-desert-blue: #0277bd;
    --oasis-sand: #f4f1e8;
    --oasis-deep-green: #2e7d32;
    --oasis-light-blue: #4fc3f7;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--oasis-teal) 0%, var(--oasis-desert-blue) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--oasis-sage) 0%, var(--oasis-mint) 100%);
    --gradient-hero: linear-gradient(135deg, #00a693 0%, #0277bd 50%, #26a69a 100%);
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 166, 147, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 166, 147, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 166, 147, 0.2);
    --shadow-xl: 0 16px 64px rgba(0, 166, 147, 0.25);
}

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

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: #2c3e50;
    background-color: var(--oasis-sand);
    overflow-x: hidden;
}

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

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(244, 241, 232, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 166, 147, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo h2 {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: var(--font-weight-bold);
    font-size: 1.5rem;
}

/* CTA Buttons */
.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 12px 24px;
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    border-radius: var(--border-radius-md);
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 0.95rem;
}

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

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

.cta-btn-hero {
    background: var(--gradient-secondary);
    color: white;
    padding: 16px 32px;
    font-size: 1.1rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.cta-btn-hero:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.cta-btn-secondary {
    background: var(--gradient-primary);
    color: white;
    padding: 16px 32px;
    font-size: 1.1rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.cta-btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.cta-btn-outline {
    background: transparent;
    color: var(--oasis-teal);
    border: 2px solid var(--oasis-teal);
}

.cta-btn-outline:hover {
    background: var(--oasis-teal);
    color: white;
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
    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="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    opacity: 0;
}

.hero-content.animate-in {
    animation: fadeInUp 1s ease-out forwards;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: white;
}

.gradient-text {
    background: linear-gradient(135deg, #f4f1e8 0%, #e8f5e8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xl);
    color: rgba(255, 255, 255, 0.9);
    font-weight: var(--font-weight-light);
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
}

.hero-visual.animate-in {
    animation: fadeInRight 1s ease-out 0.3s both;
}

.oasis-graphic {
    position: relative;
    width: 300px;
    height: 300px;
}

.circle {
    position: absolute;
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.circle-1 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, rgba(124, 179, 66, 0.3) 0%, rgba(38, 166, 154, 0.3) 100%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 0s;
}

.circle-2 {
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, rgba(0, 166, 147, 0.4) 0%, rgba(2, 119, 189, 0.4) 100%);
    top: 30%;
    left: 30%;
    transform: translate(-50%, -50%);
    animation-delay: -2s;
}

.circle-3 {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, rgba(79, 195, 247, 0.5) 0%, rgba(124, 179, 66, 0.5) 100%);
    top: 70%;
    left: 70%;
    transform: translate(-50%, -50%);
    animation-delay: -4s;
}

/* About Section */
.about {
    padding: var(--spacing-3xl) 0;
    background: white;
}

.section-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.section-number {
    font-size: 3rem;
    font-weight: var(--font-weight-bold);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--oasis-deep-green);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
    color: var(--oasis-deep-green);
    font-weight: var(--font-weight-semibold);
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    color: #555;
    line-height: 1.7;
}

.stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(0, 166, 147, 0.05) 0%, rgba(2, 119, 189, 0.05) 100%);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(0, 166, 147, 0.1);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.95rem;
    color: #666;
    font-weight: var(--font-weight-medium);
}

/* Services Section */
.services {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, rgba(244, 241, 232, 0.5) 0%, rgba(232, 245, 232, 0.5) 100%);
}

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

.service-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 166, 147, 0.1);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

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

.service-card h3 {
    font-size: 1.4rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    color: var(--oasis-deep-green);
}

.service-card p {
    color: #666;
    line-height: 1.6;
}

/* How it Works Section */
.how-it-works {
    padding: var(--spacing-3xl) 0;
    background: white;
}

.process-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.process-step {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(244, 241, 232, 0.3) 0%, rgba(232, 245, 232, 0.3) 100%);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(0, 166, 147, 0.1);
    transition: all 0.3s ease;
}

.process-step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: rgba(0, 166, 147, 0.2);
}

.step-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: white;
    box-shadow: var(--shadow-sm);
}

.step-content {
    flex: 1;
}

.step-content h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    color: var(--oasis-deep-green);
    margin-bottom: var(--spacing-sm);
}

.step-content p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #555;
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-hero);
    text-align: center;
    color: white;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

/* Footer */
.footer {
    background: var(--oasis-deep-green);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.footer-brand p {
    opacity: 0.8;
}

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

.footer-contact h4 {
    font-size: 1.2rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.9);
}

.footer-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.footer-link:hover {
    color: white;
    text-decoration: underline;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    opacity: 0.7;
}

/* Animation Classes */
.service-card,
.stat-item,
.about-text,
.section-header,
.process-step {
    opacity: 0;
}

.service-card.animate-in,
.stat-item.animate-in,
.about-text.animate-in,
.section-header.animate-in,
.process-step.animate-in {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* 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 float {
    0%, 100% {
        transform: translate(-50%, -50%) translateY(0px);
    }
    50% {
        transform: translate(-50%, -50%) translateY(-20px);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
        padding: var(--spacing-xl) var(--spacing-sm);
    }
    
    .hero-visual {
        order: -1;
    }
    
    .oasis-graphic {
        width: 250px;
        height: 250px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .stats {
        flex-direction: row;
        justify-content: space-around;
    }
    
    .stat-item {
        padding: var(--spacing-md);
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .process-step {
        flex-direction: column;
        gap: var(--spacing-md);
        padding: var(--spacing-lg);
        text-align: center;
    }
    
    .step-number {
        align-self: center;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .footer-contact {
        align-items: center;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .stats {
        flex-direction: column;
    }
    
    .service-card {
        padding: var(--spacing-lg);
    }
    
    .cta-btn {
        padding: 14px 20px;
        font-size: 0.9rem;
    }
    
    .cta-btn-hero,
    .cta-btn-secondary {
        padding: 14px 24px;
        font-size: 1rem;
    }
}