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

:root {
    /* Background Colors */
    --black: #000000;
    --card-background: #111111;
    --section-background: #0F0F0F;
    
    /* Text Colors */
    --white: #FFFFFF;
    --text-primary: #FFFFFF;
    --text-secondary: #A3A3A3;
    --text-comfortable: #F9FAFB;
    --text-caption: #9CA3AF;
    --text-hierarchy: #D1D5DB;
    --text-light: #E5E7EB;
    
    /* Accent Colors */
    --blue-primary: #7C3AED;
    --blue-hover: #6D28D9;
    --blue-light: #A855F7;
    --gold-primary: #F59E0B;
    --success: #10B981;
    
    /* Interactive States */
    --button-secondary: #374151;
    --button-secondary-hover: #4B5563;
    --card-border: #1F2937;
    --card-hover: #1F2937;
    
    /* Gradients */
    --hero-gradient: linear-gradient(180deg, #000000 0%, #0F172A 100%);
    --button-gradient: linear-gradient(135deg, #7C3AED 0%, #6D28D9 100%);
    --gradient: linear-gradient(135deg, #7C3AED 0%, #6D28D9 100%);
    
    /* Legacy silver variables for smooth transition */
    --silver: #c0c0c0;
    --silver-dark: #a8a8a8;
    --silver-light: #d5d5d5;
    --silver-gradient: linear-gradient(135deg, #d5d5d5 0%, #a8a8a8 50%, #c0c0c0 100%);
    --silver-shadow: rgba(192, 192, 192, 0.3);
    
    /* Deprecated - use new variables above */
    --dark-gray: #1d1d1f;
    --medium-gray: #2d2d2f;
    --light-gray: #86868b;
    --blue: #9ca3af;
    --blue-dark: #6b7280;
    
    --font-large: clamp(48px, 8vw, 96px);
    --font-xlarge: clamp(32px, 6vw, 64px);
    --font-medium: clamp(24px, 4vw, 48px);
    --font-regular: clamp(16px, 2vw, 24px);
    --font-small: clamp(14px, 1.5vw, 18px);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--black);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    height: 60px;
}

.nav-logo a {
    font-size: 24px;
    font-weight: 600;
    color: var(--white);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-size: 16px;
    font-weight: 400;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-links a.active {
    color: var(--blue-primary);
    position: relative;
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--blue-primary);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.download-btn {
    background: var(--button-gradient) !important;
    padding: 8px 16px !important;
    border-radius: 20px !important;
    color: var(--white) !important;
    font-weight: 500 !important;
    border: 1px solid var(--blue-hover) !important;
    box-shadow: 
        0 2px 8px rgba(124, 58, 237, 0.3),
        0 1px 3px rgba(0, 0, 0, 0.2) !important;
    text-shadow: none !important;
}

.download-btn:hover {
    transform: translateY(-1px);
    background: var(--blue-hover) !important;
    box-shadow: 
        0 4px 12px rgba(109, 40, 217, 0.4),
        0 2px 6px rgba(0, 0, 0, 0.3) !important;
}

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

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--white);
    transition: 0.3s;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px 20px 40px;
    position: relative;
    overflow: hidden;
    background: var(--hero-gradient);
}

.hero-content {
    text-align: center;
    max-width: 800px;
    z-index: 2;
}

.hero-title {
    font-size: var(--font-large);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.04em;
}

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

.hero-subtitle {
    font-size: var(--font-regular);
    color: var(--text-light);
    margin-bottom: 24px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-pricing {
    font-size: 20px;
    color: var(--white);
    margin-bottom: 40px;
}

.price {
    font-weight: 600;
    color: var(--gold-primary);
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    background: var(--button-gradient);
    color: var(--white);
    padding: 16px 32px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 500;
    font-size: 18px;
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: inline-block;
    border: 1px solid var(--blue-hover);
    box-shadow: 
        0 4px 15px rgba(59, 130, 246, 0.3),
        0 2px 4px rgba(0, 0, 0, 0.2);
    text-shadow: none;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    background: var(--blue-hover);
    box-shadow: 
        0 8px 25px rgba(109, 40, 217, 0.4),
        0 4px 12px rgba(0, 0, 0, 0.3);
    filter: brightness(1.05);
}

.btn-primary.large {
    padding: 20px 40px;
    font-size: 20px;
}

.btn-secondary {
    color: var(--blue-light);
    border: 2px solid var(--button-secondary);
    padding: 14px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 500;
    font-size: 18px;
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: inline-block;
    background: transparent;
    text-shadow: none;
}

.btn-secondary:hover {
    background: var(--button-secondary-hover);
    color: var(--white);
    transform: translateY(-3px) scale(1.02);
    border-color: var(--button-secondary-hover);
    box-shadow: 
        0 8px 25px rgba(75, 85, 99, 0.4),
        0 4px 12px rgba(0, 0, 0, 0.3);
    text-shadow: none;
    filter: brightness(1.1);
}

.hero-visual {
    position: absolute;
    top: 50%;
    right: -200px;
    transform: translateY(-50%);
    z-index: 1;
}

.floating-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.card {
    width: 80px;
    height: 80px;
    background: var(--card-background);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    border: 1px solid var(--card-border);
    animation: float 6s ease-in-out infinite;
    transition: transform 0.3s ease, box-shadow 0.3s ease, filter 0.3s ease;
    transform-style: preserve-3d;
    position: relative;
}

.card:nth-child(1) { animation-delay: -0.5s; }
.card:nth-child(2) { animation-delay: -1.5s; }
.card:nth-child(3) { animation-delay: -2.5s; }
.card:nth-child(4) { animation-delay: -3.5s; }

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.philosophy {
    padding: 120px 0;
    background: var(--section-background);
}

.section-title {
    font-size: var(--font-xlarge);
    font-weight: 700;
    text-align: center;
    margin-bottom: 32px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: var(--font-small);
    color: var(--text-hierarchy);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 80px;
}

.feature-grid {
    display: grid;
    place-items: center;
    margin-bottom: 80px;
}

.feature-item {
    max-width: 600px;
    text-align: center;
}

.feature-item h3 {
    font-size: var(--font-medium);
    font-weight: 600;
    margin-bottom: 32px;
    color: var(--blue-primary);
}

.zigzag-list {
    margin-bottom: 32px;
    padding: 20px 0;
}

.zigzag-item {
    display: flex;
    align-items: center;
    margin-bottom: 24px;
    padding: 16px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    opacity: 0;
    transform: translateX(-50px);
}

.zigzag-item.left {
    justify-content: flex-start;
    margin-right: 40px;
}

.zigzag-item.right {
    justify-content: flex-end;
    margin-left: 40px;
    transform: translateX(50px);
}

.zigzag-item.animate {
    animation: zigzagSlideIn 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.zigzag-item.animate:nth-child(1) {
    animation-delay: 0.1s;
}

.zigzag-item.animate:nth-child(2) {
    animation-delay: 0.3s;
}

.zigzag-item.animate:nth-child(3) {
    animation-delay: 0.5s;
}

.zigzag-item.animate:nth-child(4) {
    animation-delay: 0.7s;
}

.zigzag-item.animate.right {
    animation-name: zigzagSlideInRight;
}

.zigzag-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(124, 58, 237, 0.3);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.zigzag-icon {
    font-size: 24px;
    margin: 0 16px;
    background: linear-gradient(145deg, #2a2a2c, #1a1a1c);
    padding: 8px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    transition: all 0.3s ease;
}

.zigzag-item:hover .zigzag-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.zigzag-text {
    font-size: var(--font-small);
    color: var(--white);
    font-weight: 400;
    flex: 1;
}

@keyframes zigzagSlideIn {
    0% {
        opacity: 0;
        transform: translateX(-50px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}


@keyframes zigzagSlideInRight {
    0% {
        opacity: 0;
        transform: translateX(50px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

.feature-subtitle {
    font-size: var(--font-small);
    color: var(--light-gray);
    font-style: italic;
}

.testimonial {
    font-size: var(--font-regular);
    font-weight: 300;
    text-align: center;
    font-style: italic;
    color: var(--blue-primary);
    border: none;
    quotes: '"' '"';
}

.testimonial::before {
    content: open-quote;
}

.testimonial::after {
    content: close-quote;
}

.product-section {
    padding: 20px 0;
}

.product-section:nth-child(even) {
    background: var(--section-background);
}

.product-hero {
    text-align: center;
    margin-bottom: 50px;
}

.section-nav-title {
    font-size: var(--font-xlarge);
    font-weight: 700;
    color: var(--blue-primary);
    text-align: center;
    margin-bottom: 32px;
    letter-spacing: -0.02em;
    text-transform: none;
    opacity: 1;
}

.product-title {
    font-size: var(--font-medium);
    font-weight: 500;
    margin-bottom: 24px;
    letter-spacing: -0.01em;
    color: var(--white);
}

.product-subtitle {
    font-size: var(--font-small);
    color: var(--text-hierarchy);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.feature-card {
    background: var(--card-background);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--card-border);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: 
        0 20px 50px rgba(0, 0, 0, 0.4),
        0 0 30px rgba(124, 58, 237, 0.1);
    border-color: var(--card-hover);
    filter: brightness(1.05);
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--blue-primary);
}

.feature-card p {
    color: var(--text-hierarchy);
    line-height: 1.6;
}

.product-tagline {
    text-align: center;
    font-size: var(--font-small);
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.8;
}

.cta-section {
    padding: 120px 0;
    background: var(--section-background);
    text-align: center;
}

.cta-title {
    font-size: var(--font-xlarge);
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.cta-subtitle {
    font-size: var(--font-small);
    color: var(--text-hierarchy);
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

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

.footer {
    background: var(--black);
    padding: 60px 0 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.footer-logo {
    font-size: 24px;
    font-weight: 600;
    color: var(--white);
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 14px;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero {
        padding: 100px 20px 60px;
    }
    
    .hero-visual {
        display: none;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .feature-card {
        padding: 32px 24px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 32px;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    .philosophy,
    .product-section,
    .cta-section {
        padding: 80px 0;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        gap: 16px;
    }
    
    .features-grid {
        gap: 20px;
    }
    
    .feature-card {
        padding: 24px 16px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 16px;
    }
}

.coming-soon-badge {
    display: block;
    width: fit-content;
    margin: 20px auto 0;
    background: transparent;
    color: var(--gold-primary);
    font-size: 14px;
    font-weight: 400;
    padding: 8px 20px;
    border-radius: 50px;
    border: 2px solid var(--gold-primary);
    text-align: center;
    animation: subtlePulse 3s ease-in-out infinite;
}

@keyframes subtlePulse {
    0%, 100% { 
        transform: scale(1);
        border-color: var(--gold-primary);
        color: var(--gold-primary);
    }
    50% { 
        transform: scale(1.02);
        border-color: rgba(245, 158, 11, 0.7);
        color: rgba(245, 158, 11, 0.8);
    }
}