:root {
    /* Color Palette */
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-card: rgba(20, 20, 30, 0.6);
    --color-text-primary: #ffffff;
    --color-text-secondary: #b4b4c8;
    --color-accent-primary: #8b5cf6;
    --color-accent-secondary: #3b82f6;
    --color-accent-tertiary: #06b6d4;
    --color-gradient-1: linear-gradient(135deg, #8b5cf6 0%, #3b82f6 100%);
    --color-gradient-2: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
    --color-gradient-3: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Typography */
    --font-family-primary: '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: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px rgba(139, 92, 246, 0.3);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-primary);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-accent-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent-secondary);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

h1 {
    font-size: var(--font-size-5xl);
}

h2 {
    font-size: var(--font-size-4xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
}

a {
    color: var(--color-accent-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

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

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(139, 92, 246, 0.1);
    padding: var(--spacing-md) 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    font-size: var(--font-size-xl);
    font-weight: 700;
    background: var(--color-gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.navbar-logo {
    height: 40px;
    width: auto;
}

.navbar-nav {
    display: flex;
    gap: var(--spacing-xl);
    list-style: none;
}

.navbar-nav a {
    color: var(--color-text-primary);
    font-weight: 500;
    position: relative;
    padding: var(--spacing-xs) 0;
}

.navbar-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-gradient-1);
    transition: width var(--transition-base);
}

.navbar-nav a:hover::after,
.navbar-nav a.active::after {
    width: 100%;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--spacing-3xl) 0;
    overflow: hidden;
    background-image: url('../images/aurora-portrait.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10, 10, 15, 0.75) 0%, rgba(139, 92, 246, 0.4) 100%);
    pointer-events: none;
    z-index: 0;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    animation: fadeInUp 1s ease;
}

.hero-image {
    display: none;
}

.hero h1 {
    font-size: var(--font-size-6xl);
    margin-bottom: var(--spacing-lg);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.8);
}

.hero p {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xl);
    color: var(--color-text-primary);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
}

/* Mobile Menu */
.navbar-toggler {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.navbar-toggler span {
    width: 100%;
    height: 3px;
    background: white;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.navbar-toggler.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.navbar-toggler.active span:nth-child(2) {
    opacity: 0;
}

.navbar-toggler.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -8px);
}

.mobile-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    transform: translateY(-100%);
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
    z-index: 999;
    border-bottom: 1px solid rgba(139, 92, 246, 0.2);
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
}

.mobile-menu a {
    color: var(--color-text-primary);
    font-size: var(--font-size-lg);
    font-weight: 600;
    text-align: center;
    padding: var(--spacing-sm);
}

.mobile-menu a:hover,
.mobile-menu a.active {
    color: var(--color-accent-primary);
}

/* Responsive */
@media (max-width: 968px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .hero-image {
        order: -1;
    }

    .hero-image img {
        max-width: 350px;
    }

    .hero h1 {
        font-size: var(--font-size-4xl);
    }

    .hero p {
        font-size: var(--font-size-lg);
    }

    .navbar-nav {
        display: none;
    }

    .navbar-toggler {
        display: flex;
    }
}

@media (max-width: 768px) {

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

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

    .process-steps {
        flex-direction: column;
    }

    .process-step::after {
        display: none;
    }

    .process-step {
        margin-bottom: var(--spacing-xl);
    }
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
    font-size: var(--font-size-base);
}

.btn-primary {
    background: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%);
    color: white;
    box-shadow: 0 0 40px rgba(245, 158, 11, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 60px rgba(245, 158, 11, 0.5);
}

.btn-outline {
    background: transparent;
    border: 2px solid #f59e0b;
    color: #f59e0b;
}

.btn-outline:hover {
    background: #f59e0b;
    color: white;
}

/* Cards */
.card {
    background: var(--color-bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

.card:hover {
    transform: translateY(-8px);
    border-color: rgba(139, 92, 246, 0.5);
    box-shadow: var(--shadow-glow);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: var(--color-gradient-1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
}

.card h3 {
    margin-bottom: var(--spacing-sm);
}

.card p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

/* Grid Layouts */
.grid {
    display: grid;
    gap: var(--spacing-xl);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Sections */
.section {
    padding: var(--spacing-3xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title h2 {
    background: var(--color-gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Stats Section */
.stats {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
    padding: var(--spacing-2xl) 0;
}

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

.stat-number {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    background: var(--color-gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    color: var(--color-text-secondary);
    text-transform: uppercase;
    font-size: var(--font-size-sm);
    letter-spacing: 1px;
}

/* Process Steps */
.process-steps {
    display: flex;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.process-step {
    flex: 1;
    text-align: center;
    position: relative;
}

.process-step::after {
    content: '→';
    position: absolute;
    right: -2rem;
    top: 2rem;
    font-size: var(--font-size-3xl);
    color: var(--color-accent-primary);
}

.process-step:last-child::after {
    display: none;
}

.process-number {
    width: 60px;
    height: 60px;
    background: var(--color-gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin: 0 auto var(--spacing-md);
}

/* FAQ */
.faq-item {
    background: var(--color-bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
}

.faq-question {
    padding: var(--spacing-lg);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    transition: background var(--transition-fast);
}

.faq-question:hover {
    background: rgba(139, 92, 246, 0.1);
}

.faq-answer {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--color-text-secondary);
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-icon {
    transition: transform var(--transition-base);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

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

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

/* Footer */
.footer {
    background: var(--color-bg-secondary);
    padding: var(--spacing-2xl) 0;
    border-top: 1px solid rgba(139, 92, 246, 0.1);
    text-align: center;
}

.footer p {
    color: var(--color-text-secondary);
    margin: 0;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

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

/* Responsive */
@media (max-width: 768px) {
    :root {
        --font-size-6xl: 2.5rem;
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
    }

    .navbar-nav {
        gap: var(--spacing-md);
    }

    .process-steps {
        flex-direction: column;
    }

    .process-step::after {
        content: '↓';
        right: auto;
        left: 50%;
        top: auto;
        bottom: -2rem;
        transform: translateX(-50%);
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* Aurora Portrait Section */
.aurora-portrait-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.aurora-portrait-image {
    width: 100%;
    max-width: 500px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-glow);
    border: 2px solid rgba(139, 92, 246, 0.3);
}

.aurora-portrait-content h2 {
    margin-bottom: var(--spacing-lg);
}

.aurora-portrait-content p {
    margin-bottom: var(--spacing-md);
}

.aurora-portrait-content ul {
    list-style: none;
    padding: 0;
}

.aurora-portrait-content ul li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--color-text-secondary);
}

.aurora-portrait-content ul li::before {
    content: '✨';
    position: absolute;
    left: 0;
}

@media (max-width: 768px) {
    .aurora-portrait-section {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .aurora-portrait-image {
        margin: 0 auto;
    }
}

/* Alert Messages */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-lg);
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #4ade80;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
}