/* ==========================================
   CSS Variables & Design Tokens
   ========================================== */
:root {
    /* Colors - Warm Light Theme */
    --color-primary: #F59E0B;
    --color-primary-dark: #D97706;
    --color-primary-light: #FCD34D;
    --color-secondary: #EF4444;
    --color-secondary-dark: #DC2626;
    --color-accent: #10B981;
    --color-accent-dark: #059669;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
    --gradient-hero: linear-gradient(135deg, #FCD34D 0%, #F59E0B 100%);
    --gradient-card: linear-gradient(135deg, rgba(252, 211, 77, 0.15) 0%, rgba(251, 146, 60, 0.15) 100%);

    /* Light Theme Colors */
    --color-bg-primary: #FFFBF0;
    --color-bg-secondary: #FFF8E7;
    --color-bg-tertiary: #FEF3C7;
    --color-text-primary: #1F2937;
    --color-text-secondary: #4B5563;
    --color-text-muted: #6B7280;

    /* 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: '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;
    --font-size-6xl: 3.75rem;

    /* 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);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 20px rgba(139, 92, 246, 0.3);

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

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

html {
    scroll-behavior: smooth;
}

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

/* ==========================================
   Utilities
   ========================================== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

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

/* ==========================================
   Animations
   ========================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }
}

@keyframes orbMove1 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    50% {
        transform: translate(50px, 30px) scale(1.1);
    }
}

@keyframes orbMove2 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    50% {
        transform: translate(-30px, 40px) scale(0.9);
    }
}

@keyframes orbMove3 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    50% {
        transform: translate(40px, -30px) scale(1.05);
    }
}

.animate-fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.animate-fade-in:nth-child(2) {
    animation-delay: 0.1s;
}

.animate-fade-in:nth-child(3) {
    animation-delay: 0.2s;
}

.animate-fade-in:nth-child(4) {
    animation-delay: 0.3s;
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================
   Navigation
   ========================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
    transition: var(--transition-base);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: #ffffff;
    text-decoration: none;
}

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

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

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: #ffffff;
}

.nav-link.cta-button {
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

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

.language-selector {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-base);
    font-family: var(--font-family);
}

.language-selector:hover {
    background: rgba(251, 146, 60, 0.2);
    border-color: rgba(251, 146, 60, 0.5);
}

.language-selector option {
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
}


.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #ffffff;
    transition: var(--transition-base);
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    padding-bottom: var(--spacing-3xl);
    overflow: hidden;
}

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

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #8B5CF6 0%, transparent 70%);
    top: -100px;
    right: -100px;
    animation: orbMove1 20s ease-in-out infinite;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #3B82F6 0%, transparent 70%);
    bottom: -100px;
    left: -100px;
    animation: orbMove2 25s ease-in-out infinite;
}

.orb-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, #10B981 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: orbMove3 30s ease-in-out infinite;
}

.hero .container {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-3xl);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

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

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

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
}

.hero-image {
    position: relative;
}

.hero-visual {
    background: var(--gradient-card);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-2xl);
    animation: float 6s ease-in-out infinite;
}

.hero-visual img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
}

/* ==========================================
   Buttons
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-full);
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
    font-family: var(--font-family);
}

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

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

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--color-text-primary);
    border: 2px solid rgba(139, 92, 246, 0.5);
}

.btn-outline:hover {
    background: rgba(139, 92, 246, 0.1);
    border-color: var(--color-primary);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
}

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

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
}

/* ==========================================
   Features Section
   ========================================== */
.features {
    background: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: var(--transition-base);
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(139, 92, 246, 0.5);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-card);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ==========================================
   Pricing Section
   ========================================== */
.pricing {
    background: var(--color-bg-secondary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    position: relative;
    transition: var(--transition-base);
}

.pricing-card:hover {
    transform: translateY(-5px);
    border-color: rgba(139, 92, 246, 0.5);
}

.pricing-card-featured {
    background: var(--gradient-card);
    border: 2px solid var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    right: var(--spacing-lg);
    background: var(--gradient-primary);
    color: white;
    padding: 0.375rem 1rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.pricing-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.price-amount {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.price-period {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
}

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

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--color-text-secondary);
}

.feature-item svg {
    flex-shrink: 0;
}

/* ==========================================
   CTA Section
   ========================================== */
.cta-section {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%);
    border-top: 1px solid rgba(139, 92, 246, 0.2);
    border-bottom: 1px solid rgba(139, 92, 246, 0.2);
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.cta-description {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.cta-note {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-description {
    color: var(--color-text-muted);
    line-height: 1.6;
}

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

.footer-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.footer-link {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-primary-light);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-copyright {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

/* ==========================================
   Responsive Design
   ========================================== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .hero-image {
        order: -1;
    }

    .hero-title {
        font-size: var(--font-size-5xl);
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero {
        padding-top: 80px;
    }

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

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

    .hero-cta {
        flex-direction: column;
    }

    .hero-stats {
        flex-wrap: wrap;
    }

    .section-title {
        font-size: var(--font-size-4xl);
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .cta-title {
        font-size: var(--font-size-4xl);
    }

    .cta-buttons {
        flex-direction: column;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .section-title {
        font-size: var(--font-size-3xl);
    }

    .stat-number {
        font-size: var(--font-size-2xl);
    }
}

/* ==========================================
   How It Works Section
   ========================================== */
.how-it-works {
    background: var(--color-bg-primary);
    padding: var(--spacing-3xl) 0;
    padding-top: 100px;
    /* Space for fixed nav */
}

.slider-container {
    max-width: 1400px;
    /* Increased from 1200px */
    margin: 0 auto;
    position: relative;
}

.slider-wrapper {
    overflow: hidden;
    border-radius: var(--radius-2xl);
}

.slider-track {
    display: flex;
    transition: transform 0.5s ease;
}

.slide {
    flex: 0 0 100%;
    padding: var(--spacing-xl);
    /* Reduced padding to give more space to content */
}

.slide-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    /* Reduced gap to bring text closer */
    align-items: center;
    text-align: center;
}

.slide-image {
    width: 100%;
    max-width: 1000px;
    /* Limit max width to keep it reasonable */
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    border: 2px solid var(--color-primary-light);
    position: relative;
    /* For button positioning context if needed */
}

.slide-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    display: block;
}

.slide-text {
    padding: var(--spacing-sm);
    /* Reduced padding */
}

.slide-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-sm);
    /* Reduced margin */
    line-height: 1.2;
}

.slide-description {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.slider-nav {
    /* Container for dots only */
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: var(--spacing-md);
}

.slider-btn {
    position: absolute;
    top: 40%;
    /* Align with image center roughly */
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: white;
    border: 3px solid var(--color-primary);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-base);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    z-index: 10;
}

.slider-btn.prev {
    left: 20px;
}

.slider-btn.next {
    right: 20px;
}

.slider-btn:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-50%) scale(1.15);
    /* Maintain vertical centering on hover */
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.3);
}

.slider-dots {
    display: flex;
    gap: var(--spacing-md);
}

.dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: rgba(245, 158, 11, 0.3);
    cursor: pointer;
    transition: var(--transition-base);
}

.dot.active {
    background: var(--color-primary);
    transform: scale(1.4);
}

.dot:hover {
    background: var(--color-primary-light);
    transform: scale(1.2);
}

/* Responsive */
@media (max-width: 768px) {
    .slide-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .slide-image {
        order: -1;
    }

    .slide-title {
        font-size: var(--font-size-3xl);
    }

    .slide-description {
        font-size: var(--font-size-lg);
    }

    .slider-btn {
        width: 50px;
        height: 50px;
    }
}