/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Light mode colors */
    --color-primary: #FF6B35;
    --color-primary-hover: #E55A2B;
    --color-secondary: #FFD23F;
    --color-accent: #06FFA5;
    --color-bg: #FAFAFA;
    --color-bg-alt: #F5F5F7;
    --color-surface: #FFFFFF;
    --color-border: #E5E5E7;
    --color-text: #1D1D1F;
    --color-text-secondary: #86868B;
    --color-text-tertiary: #6E6E73;
    
    /* Gradients */
    --gradient-sunset: linear-gradient(135deg, #FF6B35 0%, #FFD23F 100%);
    --gradient-ocean: linear-gradient(135deg, #06FFA5 0%, #4ECDC4 100%);
    --gradient-moon: linear-gradient(135deg, #E6E6FA 0%, #B0C4DE 100%);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --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;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* 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);
}

/* Dark mode colors */
[data-theme="dark"] {
    --color-primary: #4A90E2;
    --color-primary-hover: #357ABD;
    --color-secondary: #A78BFA;
    --color-accent: #10B981;
    --color-bg: #0F0F0F;
    --color-bg-alt: #1A1A1A;
    --color-surface: #262626;
    --color-border: #404040;
    --color-text: #F5F5F5;
    --color-text-secondary: #A0A0A0;
    --color-text-tertiary: #808080;
    
    /* Dark mode gradients */
    --gradient-sunset: linear-gradient(135deg, #4A90E2 0%, #A78BFA 100%);
    --gradient-ocean: linear-gradient(135deg, #10B981 0%, #06B6D4 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(250, 250, 250, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: all 0.3s ease;
}

[data-theme="dark"] .header {
    background: rgba(15, 15, 15, 0.8);
    border-bottom-color: var(--color-border);
}

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

.nav-brand {
    display: flex;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: inherit;
}

.brand-name {
    font-weight: 600;
    font-size: var(--font-size-lg);
    color: var(--color-text);
}

/* Sun Logo */
.sun-logo {
    position: relative;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sun-logo.small {
    width: 24px;
    height: 24px;
}

.sun-center {
    width: 16px;
    height: 16px;
    background: var(--gradient-sunset);
    border-radius: 50%;
    position: relative;
    z-index: 2;
    animation: sunGlow 3s ease-in-out infinite alternate;
}

.sun-logo.small .sun-center {
    width: 12px;
    height: 12px;
}

.sun-rays {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    animation: sunSpin 20s linear infinite;
}

.ray {
    position: absolute;
    width: 2px;
    height: 8px;
    background: var(--gradient-sunset);
    border-radius: 1px;
    top: 0;
    left: 50%;
    transform-origin: 1px 16px;
    opacity: 0.8;
}

.sun-logo.small .ray {
    height: 6px;
    transform-origin: 1px 12px;
}

.ray:nth-child(1) { transform: translateX(-50%) rotate(0deg); }
.ray:nth-child(2) { transform: translateX(-50%) rotate(45deg); }
.ray:nth-child(3) { transform: translateX(-50%) rotate(90deg); }
.ray:nth-child(4) { transform: translateX(-50%) rotate(135deg); }
.ray:nth-child(5) { transform: translateX(-50%) rotate(180deg); }
.ray:nth-child(6) { transform: translateX(-50%) rotate(225deg); }
.ray:nth-child(7) { transform: translateX(-50%) rotate(270deg); }
.ray:nth-child(8) { transform: translateX(-50%) rotate(315deg); }

@keyframes sunGlow {
    0% { box-shadow: 0 0 10px rgba(255, 107, 53, 0.3); }
    100% { box-shadow: 0 0 20px rgba(255, 107, 53, 0.6); }
}

@keyframes sunSpin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Moon Logo for Dark Mode */
.moon-logo {
    position: relative;
    width: 32px;
    height: 32px;
    display: none;
    align-items: center;
    justify-content: center;
}

.moon-logo.small {
    width: 24px;
    height: 24px;
}

[data-theme="dark"] .sun-logo {
    display: none;
}

[data-theme="dark"] .moon-logo {
    display: flex;
}

.moon-center {
    width: 20px;
    height: 20px;
    background: var(--gradient-moon);
    border-radius: 50%;
    position: relative;
    z-index: 2;
    animation: moonGlow 4s ease-in-out infinite alternate;
}

.moon-logo.small .moon-center {
    width: 16px;
    height: 16px;
}

.moon-crater {
    position: absolute;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 50%;
}

.crater-1 {
    width: 3px;
    height: 3px;
    top: 4px;
    left: 6px;
}

.crater-2 {
    width: 2px;
    height: 2px;
    top: 8px;
    right: 5px;
}

.crater-3 {
    width: 1.5px;
    height: 1.5px;
    bottom: 5px;
    left: 7px;
}

.moon-stars {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    animation: starTwinkle 3s ease-in-out infinite;
}

.star {
    position: absolute;
    width: 1px;
    height: 1px;
    background: var(--color-text-secondary);
    border-radius: 50%;
}

.star:nth-child(1) { top: 2px; left: 8px; animation-delay: 0s; }
.star:nth-child(2) { top: 6px; right: 3px; animation-delay: 1s; }
.star:nth-child(3) { bottom: 4px; left: 4px; animation-delay: 2s; }
.star:nth-child(4) { bottom: 8px; right: 8px; animation-delay: 0.5s; }

@keyframes moonGlow {
    0% { box-shadow: 0 0 12px rgba(230, 230, 250, 0.5); }
    100% { box-shadow: 0 0 24px rgba(230, 230, 250, 0.8); }
}

@keyframes starTwinkle {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

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

.nav-link {
    text-decoration: none;
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: color 0.2s ease;
}

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

.nav-cta {
    background: var(--gradient-sunset);
    color: white !important;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Main content */
.main {
    padding-top: 80px;
}

/* Hero section */
.hero {
    display: flex;
    align-items: center;
    min-height: 75vh;
    padding: var(--spacing-2xl) var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
    gap: var(--spacing-2xl);
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    background: var(--gradient-sunset);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.5;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    align-items: center;
}





.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 500px;
    position: relative;
}

/* Floating cards animation */
.floating-cards {
    position: relative;
    width: 300px;
    height: 400px;
}

.card {
    position: absolute;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-lg);
    width: 200px;
    height: 120px;
    animation: float 6s ease-in-out infinite;
}

.card-1 {
    top: 0;
    left: 0;
    animation-delay: 0s;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, rgba(255, 210, 63, 0.1) 100%);
}

.card-2 {
    top: 100px;
    right: 0;
    animation-delay: -2s;
    background: linear-gradient(135deg, rgba(6, 255, 165, 0.1) 0%, rgba(78, 205, 196, 0.1) 100%);
}

.card-3 {
    bottom: 0;
    left: 50px;
    animation-delay: -4s;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.05) 0%, rgba(6, 255, 165, 0.05) 100%);
}

.card-header {
    width: 60px;
    height: 8px;
    background: var(--gradient-sunset);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
}

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

.card-line {
    height: 4px;
    background: var(--color-border);
    border-radius: 2px;
}

.card-line.short {
    width: 60%;
}

.card-line.medium {
    width: 80%;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    33% {
        transform: translateY(-10px) rotate(1deg);
    }
    66% {
        transform: translateY(5px) rotate(-1deg);
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: var(--font-size-sm);
    font-family: var(--font-family);
    text-decoration: none;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
    white-space: nowrap;
}

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

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

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-bg-alt);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Sections */

.section-alt {
    background: var(--color-bg-alt);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
}

.section-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Features grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-3xl);
}

.feature {
    text-align: center;
    padding: var(--spacing-xl);
}

.feature-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-lg);
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.feature-description {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Services grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.service-card {
    background: var(--color-surface);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--color-border);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.service-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.service-description {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Contact section */
.contact-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-cta {
    margin-top: var(--spacing-2xl);
}

.contact-email {
    margin-top: var(--spacing-md);
    color: var(--color-text-secondary);
    font-size: var(--font-size-lg);
}

.contact-email a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.contact-email a:hover {
    color: var(--color-primary-hover);
}

/* Contact Form */
.contact-form {
    max-width: 500px;
    margin: var(--spacing-xl) auto 0;
    text-align: left;
}

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

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

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    background: var(--color-surface);
    color: var(--color-text);
    transition: all 0.2s ease;
    outline: none;
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-tertiary);
}

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

.form-submit {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.contact-alternative {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

/* Footer */
.footer {
    background: var(--color-text);
    color: white;
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xl);
}

[data-theme="dark"] .footer {
    background: var(--color-bg-alt);
    color: var(--color-text);
}

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

.footer-brand .brand-name {
    color: white;
}

[data-theme="dark"] .footer-brand .brand-name {
    color: var(--color-text);
}

.footer-text {
    color: rgba(255, 255, 255, 0.7);
}

[data-theme="dark"] .footer-text {
    color: var(--color-text-secondary);
}

.footer-link {
    color: inherit;
    text-decoration: underline;
    transition: opacity 0.2s ease;
}

.footer-link:hover {
    opacity: 0.8;
}

/* Responsive design */
@media (max-width: 768px) {
    .nav {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .nav-links {
        gap: var(--spacing-md);
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-xl) var(--spacing-md);
        gap: var(--spacing-xl);
        min-height: 60vh;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .hero-visual {
        height: 300px;
    }
    
    .floating-cards {
        width: 250px;
        height: 300px;
        transform: scale(0.8);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .section-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .nav-links {
        display: none;
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .floating-cards {
        transform: scale(0.6);
    }
}