/* ===========================
   CSS Reset & Base Styles
   =========================== */

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

:root {
    /* Colors */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #ec4899;
    --accent: #f59e0b;
    --success: #10b981;

    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --bg-light: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;

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

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Effects */
    --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-glow: 0 0 30px rgba(99, 102, 241, 0.3);

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===========================
   Navigation
   =========================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    box-shadow: var(--shadow-lg);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

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

.logo-svg {
    height: 40px;
    width: auto;
    display: block;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-links a:not(.cta-button):hover {
    color: var(--text-primary);
}

.nav-links a:not(.cta-button)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav-links a:not(.cta-button):hover::after {
    width: 100%;
}

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

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* ===========================
   Hero Section
   =========================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

#hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 0%, rgba(15, 23, 42, 0.7) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease-out;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-xl);
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
    animation: bounce 2s infinite;
    z-index: 3;
}

/* ===========================
   Buttons
   =========================== */

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 2px 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);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

.cta-button {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white !important;
    padding: 0.625rem 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.cta-button::after {
    display: none;
}

/* ===========================
   Section Styles
   =========================== */

section {
    padding: var(--spacing-xl) 0;
}

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

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===========================
   Features Section
   =========================== */

.features {
    background: var(--bg-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

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

/* ===========================
   How It Works Section
   =========================== */

.how-it-works {
    background: linear-gradient(180deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
}

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

.step {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--spacing-md);
    align-items: center;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.step:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(99, 102, 241, 0.3);
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 700;
    box-shadow: var(--shadow-glow);
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.step-content p {
    color: var(--text-secondary);
}

.step-visual {
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-box {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(236, 72, 153, 0.2) 100%);
    border: 2px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-md);
    animation: float 3s ease-in-out infinite;
}

/* ===========================
   Benefits Section
   =========================== */

.benefits {
    background: var(--bg-dark);
}

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

.benefits-text h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-lg);
}

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

.benefit-item {
    display: flex;
    gap: var(--spacing-sm);
}

.check-icon {
    flex-shrink: 0;
    color: var(--success);
    margin-top: 0.25rem;
}

.benefit-item h4 {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.benefit-item p {
    color: var(--text-secondary);
}

.benefits-visual {
    position: relative;
    height: 500px;
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-xl);
}

.card-1 {
    top: 10%;
    right: 10%;
    animation: float 4s ease-in-out infinite;
}

.card-2 {
    top: 40%;
    left: 5%;
    animation: float 5s ease-in-out infinite 0.5s;
}

.card-3 {
    bottom: 15%;
    right: 20%;
    animation: float 6s ease-in-out infinite 1s;
}

.card-header {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.card-amount {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--success) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* ===========================
   Testimonials Section
   =========================== */

.testimonials {
    background: var(--bg-darker);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: var(--transition);
}

.testimonial-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-5px);
}

.stars {
    color: var(--accent);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.testimonial-text {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    font-size: 1.05rem;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.testimonial-author strong {
    color: var(--text-primary);
}

.testimonial-author span {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ===========================
   CTA Section
   =========================== */

.cta-section {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--secondary) 100%);
    text-align: center;
}

.cta-content h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--spacing-sm);
}

.cta-content > p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

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

.cta-section .btn-primary {
    background: white;
    color: var(--primary-dark);
}

.cta-section .btn-primary:hover {
    background: var(--text-primary);
    transform: translateY(-2px);
}

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

.cta-section .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
}

.cta-note {
    font-size: 0.875rem;
    opacity: 0.85;
}

/* ===========================
   Footer
   =========================== */

.footer {
    background: var(--bg-darker);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.footer-col p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.footer-col h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

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

.footer-col a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

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

/* ===========================
   Animations
   =========================== */

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

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

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

/* ===========================
   Responsive Design
   =========================== */

@media (max-width: 1024px) {
    .benefits-content {
        grid-template-columns: 1fr;
    }

    .benefits-visual {
        height: 400px;
    }

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

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(20px);
        padding: var(--spacing-md);
        flex-direction: column;
        gap: var(--spacing-sm);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        transition: var(--transition);
        pointer-events: none;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

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

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

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        gap: var(--spacing-md);
    }

    .stat-number {
        font-size: 2rem;
    }

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

    .step {
        grid-template-columns: auto 1fr;
    }

    .step-visual {
        display: none;
    }

    .benefits-visual {
        display: none;
    }

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

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

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-md: 1.5rem;
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero-title {
        font-size: 2rem;
    }

    .stat {
        min-width: 100px;
    }
}

/* ===========================
   Utility Classes
   =========================== */

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

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