/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --dark-bg: #0f0f23;
    --dark-card: #1a1a2e;
    --text-primary: #ffffff;
    --text-secondary: #a0a0c0;
    --accent-purple: #667eea;
    --accent-pink: #f093fb;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(102, 126, 234, 0.2);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

.nav-menu a:hover {
    color: var(--accent-purple);
}

/* ===== HERO SECTION ===== */
.hero {
    padding: 120px 0 80px;
    position: relative;
    background: var(--primary-gradient);
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #ffffff, #e0e0ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn {
    padding: 0.875rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid white;
}

.btn-primary:hover {
    background: white;
    color: var(--accent-purple);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.btn-secondary {
    background: var(--secondary-gradient);
    color: white;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(245, 87, 108, 0.4);
}

.btn-tertiary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-tertiary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
}

.btn-outline {
    background: transparent;
    color: var(--accent-purple);
    border: 2px solid var(--accent-purple);
}

.btn-outline:hover {
    background: var(--accent-purple);
    color: white;
}

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.125rem;
}

.hero-stats {
    display: flex;
    gap: 3rem;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 60px rgba(0, 0, 0, 0.5));
    animation: float 6s ease-in-out infinite;
}

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

.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 100px;
    background: var(--dark-bg);
    clip-path: polygon(0 50%, 100% 0, 100% 100%, 0 100%);
}

/* ===== PROBLEM SECTION ===== */
.problem-section {
    padding: 80px 0;
    background: var(--dark-bg);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 3rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.problem-card {
    background: var(--dark-card);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.problem-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-purple);
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.3);
}

.problem-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.problem-conclusion {
    text-align: center;
    font-size: 1.25rem;
    max-width: 800px;
    margin: 0 auto;
    color: var(--text-secondary);
}

.problem-conclusion strong {
    color: var(--accent-purple);
}

/* ===== FEATURES SECTION ===== */
.features-section {
    padding: 80px 0;
    background: linear-gradient(180deg, var(--dark-bg) 0%, var(--dark-card) 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--dark-bg);
    padding: 2.5rem;
    border-radius: 20px;
    transition: var(--transition);
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-purple);
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.3);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent-purple);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===== SHOWCASE SECTION ===== */
.showcase-section {
    padding: 80px 0;
    background: var(--dark-bg);
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
}

.showcase-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
}

.showcase-item:hover {
    transform: scale(1.05);
}

.showcase-item img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 20px;
    border: 2px solid rgba(102, 126, 234, 0.3);
}

.showcase-caption {
    margin-top: 1rem;
    text-align: center;
}

.showcase-caption h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--accent-purple);
}

.showcase-caption p {
    color: var(--text-secondary);
}

/* ===== PRICING SECTION ===== */
.pricing-section {
    padding: 80px 0;
    background: linear-gradient(180deg, var(--dark-bg) 0%, var(--dark-card) 100%);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--dark-bg);
    padding: 3rem 2rem;
    border-radius: 20px;
    border: 2px solid rgba(102, 126, 234, 0.2);
    transition: var(--transition);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-purple);
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.3);
}

.pricing-featured {
    border-color: var(--accent-purple);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--secondary-gradient);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-title {
    font-size: 2rem;
    margin-bottom: 1rem;
    text-align: center;
}

.pricing-price {
    text-align: center;
    margin-bottom: 2rem;
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-period {
    font-size: 1rem;
    color: var(--text-secondary);
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-features li {
    padding: 0.75rem 0;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(102, 126, 234, 0.1);
}

.pricing-card .btn {
    width: 100%;
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials-section {
    padding: 80px 0;
    background: var(--dark-bg);
}

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

.testimonial-card {
    background: var(--dark-card);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(102, 126, 234, 0.2);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-purple);
}

.testimonial-text {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    font-style: italic;
}

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

.testimonial-author strong {
    color: var(--accent-purple);
}

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

/* ===== FAQ SECTION ===== */
.faq-section {
    padding: 80px 0;
    background: linear-gradient(180deg, var(--dark-bg) 0%, var(--dark-card) 100%);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--dark-bg);
    border-radius: 15px;
    margin-bottom: 1rem;
    border: 1px solid rgba(102, 126, 234, 0.2);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--accent-purple);
}

.faq-icon {
    font-size: 1.5rem;
    transition: var(--transition);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===== CTA SECTION ===== */
.cta-section {
    padding: 100px 0;
    background: var(--primary-gradient);
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.cta-text {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 2.5rem;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ===== FOOTER ===== */
.footer {
    padding: 3rem 0;
    background: var(--dark-card);
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
}

.footer-tagline {
    color: var(--text-secondary);
    font-style: italic;
}

.footer-credit {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.footer-credit a {
    color: var(--accent-purple);
    text-decoration: none;
    transition: var(--transition);
}

.footer-credit a:hover {
    color: var(--accent-pink);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .nav-menu {
        display: none;
    }

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

    .pricing-grid,
    .features-grid,
    .showcase-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }

    .btn {
        width: 100%;
    }
}