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

:root {
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.75);
    --text-muted: rgba(255, 255, 255, 0.5);
    --accent-blue: #60a5fa;
    --accent-yellow: #fbbf24;
    --accent-purple: #a78bfa;
    --success-green: #10b981;
    --gradient-primary: linear-gradient(135deg, #60a5fa 0%, #a78bfa 100%);
    --gradient-text: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    --gradient-yellow: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', 'SF Pro Display', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 20px 0;
}

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

.nav-brand {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: var(--text-primary);
}

.btn-nav {
    padding: 10px 24px;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-radius: 8px;
    transition: all 0.2s ease;
}

.btn-nav:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 140px 24px 60px;
    position: relative;
    background: radial-gradient(ellipse 100% 60% at 50% 0%, rgba(96, 165, 250, 0.06) 0%, transparent 100%);
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(251, 191, 36, 0.12);
    border-radius: 24px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 48px;
    color: var(--accent-yellow);
    letter-spacing: 0.01em;
    transition: all 0.2s ease;
}

.hero-badge:hover {
    background: rgba(251, 191, 36, 0.18);
}

.hero-title {
    font-size: clamp(64px, 10vw, 112px);
    font-weight: 800;
    letter-spacing: -0.05em;
    margin-bottom: 32px;
    line-height: 1.1;
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-top: 8px;
}

.hero-subtitle {
    font-size: clamp(20px, 2.8vw, 24px);
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 56px;
    max-width: 780px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
}

.hero-subtitle strong {
    color: var(--text-primary);
    font-weight: 600;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 80px;
}

.btn-download {
    padding: 18px 36px;
    font-size: 17px;
    font-weight: 600;
    border-radius: 12px;
    min-width: 180px;
    justify-content: center;
}

/* Trust Section */
.trust-section {
    padding: 40px 0;
    text-align: center;
    background: var(--bg-secondary);
}

.trust-text {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
}

.trust-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.trust-stats span:nth-child(odd) {
    color: var(--text-primary);
}

.trust-stats span:nth-child(even) {
    color: var(--text-muted);
}

/* Sections */
.section {
    padding: 120px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: clamp(40px, 5.5vw, 56px);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
    line-height: 1.2;
}

.section-description {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto;
    font-weight: 400;
    line-height: 1.6;
}

/* Features Section */
.features-section {
    background: var(--bg-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
}

.feature-card {
    padding: 40px 36px;
    background: var(--bg-card);
    border-radius: 16px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: left;
    transform-style: preserve-3d;
    will-change: transform;
}

.feature-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-6px) scale(1.02);
}

.feature-title {
    font-size: 21px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 16px;
    font-weight: 400;
}

/* Proof Section */
.proof-section {
    background: var(--bg-secondary);
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.platform-card {
    padding: 32px;
    background: var(--bg-card);
    border-radius: 16px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
    will-change: transform;
}

.platform-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-6px) scale(1.02);
}

.platform-name {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.platform-status {
    color: var(--success-green);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Testimonials Section */
.testimonials-section {
    background: var(--bg-primary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.testimonial-card {
    padding: 36px 32px;
    background: var(--bg-card);
    border-radius: 16px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
    will-change: transform;
}

.testimonial-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-6px) scale(1.02);
}

.testimonial-content {
    margin-bottom: 24px;
}

.testimonial-content p {
    font-size: 17px;
    line-height: 1.7;
    color: var(--text-secondary);
    font-style: italic;
    font-weight: 400;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.testimonial-author strong {
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.testimonial-author span {
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 400;
}

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

.pricing-card {
    max-width: 520px;
    margin: 0 auto;
    padding: 56px 48px;
    background: var(--bg-card);
    border-radius: 20px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
    will-change: transform;
}

.pricing-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-6px) scale(1.02);
}

.pricing-header {
    margin-bottom: 36px;
}

.pricing-name {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 18px;
    letter-spacing: -0.02em;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 8px;
}

.price-amount {
    font-size: 52px;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.03em;
}

.price-period {
    font-size: 20px;
    color: var(--text-secondary);
    font-weight: 400;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 36px;
}

.pricing-features li {
    padding: 12px 0;
    color: var(--text-secondary);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.6;
}

.pricing-features li::before {
    content: '•';
    display: inline-block;
    width: 24px;
    margin-right: 12px;
    color: var(--accent-yellow);
    vertical-align: middle;
    font-weight: bold;
    font-size: 20px;
}

.pricing-note {
    margin-top: 20px;
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 400;
}

/* CTA Section */
.cta-section {
    background: var(--bg-primary);
    padding: 140px 0;
    text-align: center;
}

.cta-title {
    font-size: clamp(36px, 5vw, 52px);
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.cta-description {
    font-size: 22px;
    color: var(--text-secondary);
    margin-bottom: 48px;
    font-weight: 400;
    line-height: 1.6;
}

.btn-cta {
    margin-bottom: 20px;
}

.cta-note {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 400;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: none;
    font-family: inherit;
    letter-spacing: -0.01em;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: var(--gradient-yellow);
    color: #000000;
    box-shadow: 0 4px 20px rgba(251, 191, 36, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(251, 191, 36, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-hero {
    padding: 18px 40px;
    font-size: 17px;
}

.btn-large {
    padding: 18px 40px;
    font-size: 17px;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    padding: 80px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 80px;
    margin-bottom: 60px;
}

.footer-brand {
    max-width: 320px;
}

.footer-logo {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.footer-tagline {
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 400;
    line-height: 1.6;
    margin-bottom: 20px;
}

.footer-disclaimer {
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 400;
    line-height: 1.6;
    margin-bottom: 12px;
    max-width: 400px;
}

.footer-email {
    color: var(--accent-yellow);
    font-size: 14px;
    font-weight: 500;
    margin-top: 8px;
    text-decoration: none;
    display: inline-block;
    transition: all 0.2s ease;
}

.footer-email:hover {
    color: var(--accent-yellow);
    text-decoration: underline;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 40px;
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-title {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 4px;
    color: var(--text-secondary);
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    transition: color 0.2s ease;
    font-weight: 400;
}

.footer-link:hover {
    color: var(--accent-yellow);
}

.footer-bottom {
    padding-top: 40px;
    text-align: center;
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 400;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 24px;
    }

    .hero {
        min-height: 90vh;
        padding: 120px 24px 60px;
    }

    .nav-links {
        gap: 20px;
    }

    .nav-links a:not(.btn) {
        display: none;
    }

    .section {
        padding: 80px 0;
    }

    .section-header {
        margin-bottom: 56px;
    }

    .features-grid,
    .platforms-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 56px;
    }

    .trust-stats {
        flex-direction: column;
        gap: 8px;
    }

    .pricing-card {
        padding: 48px 36px;
    }

    .cta-section {
        padding: 100px 0;
    }

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

    .btn-download {
        width: 100%;
    }
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Selection */
::selection {
    background: var(--accent-yellow);
    color: #000000;
}

/* Scroll animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Smooth transitions for all interactive elements */
.nav-links a {
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-yellow);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

/* Hero badge animation */
.hero-badge {
    animation: slideInDown 0.6s ease-out;
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero title animation */
.hero-title {
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-subtitle {
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.hero-cta {
    animation: fadeInUp 0.8s ease-out 0.6s backwards;
}

/* Ripple effect */
.btn .ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    transform: scale(0);
    animation: ripple-animation 0.6s ease-out;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Card glow effect on hover */
.feature-card:hover,
.platform-card:hover,
.testimonial-card:hover,
.pricing-card:hover {
    box-shadow: 0 8px 32px rgba(251, 191, 36, 0.08);
}
