/* ============================================
   GLOBAL STYLES & RESET
   ============================================ */

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

:root {
    /* Color Palette - Blue/Purple Gradient Theme */
    --primary-blue: #667eea;
    --primary-purple: #764ba2;
    --accent-pink: #f093fb;
    --accent-cyan: #4facfe;

    --gradient-main: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-bg: linear-gradient(180deg, #0f0c29 0%, #302b63 50%, #24243e 100%);

    /* Neutral Colors */
    --white: #ffffff;
    --off-white: #f8f9fa;
    --light-gray: #e9ecef;
    --medium-gray: #6c757d;
    --dark-gray: #343a40;
    --near-black: #1a1a2e;

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Courier New', monospace;

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

    /* Effects */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 30px rgba(102, 126, 234, 0.3);

    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;

    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

body {
    font-family: var(--font-primary);
    color: var(--dark-gray);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--off-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: 1rem 0;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

.nav-links a {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.nav-link-cta {
    color: var(--primary-blue) !important;
    font-weight: 600;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dark-gray);
    cursor: pointer;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-medium);
    cursor: pointer;
    border: none;
    font-family: var(--font-primary);
}

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

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

.btn-secondary {
    background: var(--white);
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(80px + var(--spacing-lg)) 0 var(--spacing-lg) 0;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg,
        #667eea 0%,
        #764ba2 50%,
        #f093fb 100%
    );
    z-index: -1;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #667eea, transparent);
    top: -200px;
    left: -200px;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #f093fb, transparent);
    bottom: -100px;
    right: -100px;
    animation-delay: -10s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, #4facfe, transparent);
    top: 50%;
    left: 50%;
    animation-delay: -15s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(50px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-50px, 50px) scale(0.9);
    }
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-content {
    color: var(--white);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.gradient-text {
    background: linear-gradient(135deg, #ffffff 0%, #f093fb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    opacity: 0.95;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: var(--spacing-lg);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.stat {
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

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

.dna-helix {
    width: 100%;
    max-width: 400px;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    0% {
        transform: rotateY(0deg);
    }
    100% {
        transform: rotateY(360deg);
    }
}

/* ============================================
   SOLUTIONS SECTION
   ============================================ */

.solutions {
    padding: var(--spacing-xl) 0;
    background: var(--off-white);
}

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--near-black);
}

.section-header p {
    font-size: 1.25rem;
    color: var(--medium-gray);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.solution-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-medium);
    border: 2px solid var(--light-gray);
    position: relative;
    display: flex;
    flex-direction: column;
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.solution-card.featured {
    border-color: var(--primary-blue);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.03) 0%, rgba(118, 75, 162, 0.03) 100%);
}

.solution-badge {
    position: absolute;
    top: -12px;
    right: var(--spacing-md);
    background: var(--gradient-main);
    color: var(--white);
    padding: 0.35rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: var(--shadow-md);
}

.solution-icon {
    width: 70px;
    height: 70px;
    border-radius: var(--border-radius-md);
    background: var(--gradient-main);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    font-size: 2rem;
    color: var(--white);
}

.solution-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--near-black);
}

.solution-card > p {
    color: var(--medium-gray);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
    flex-grow: 1;
}

.solution-features {
    margin: var(--spacing-sm) 0;
    padding: var(--spacing-sm) 0;
    border-top: 1px solid var(--light-gray);
    border-bottom: 1px solid var(--light-gray);
}

.solution-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--dark-gray);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.solution-feature:last-child {
    margin-bottom: 0;
}

.solution-feature i {
    color: var(--primary-blue);
    font-size: 0.85rem;
    flex-shrink: 0;
}

.solution-cta {
    display: inline-block;
    margin-top: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    background: var(--gradient-main);
    color: var(--white);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    text-align: center;
    transition: all var(--transition-medium);
}

.solution-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ============================================
   AI TECHNOLOGY HIGHLIGHT SECTION
   ============================================ */

.ai-highlight {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.ai-highlight::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1), transparent);
    border-radius: 50%;
}

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

.ai-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1.5rem;
    border-radius: 30px;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    font-size: 0.95rem;
}

.ai-badge i {
    font-size: 1.2rem;
}

.ai-highlight h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.ai-highlight p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
    opacity: 0.95;
}

.ai-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.ai-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.ai-feature-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.ai-feature-item h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.ai-feature-item p {
    font-size: 0.95rem;
    opacity: 0.9;
    margin: 0;
}

.ai-stats-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.ai-stat {
    text-align: center;
    padding: var(--spacing-sm);
}

.ai-stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #f093fb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* ============================================
   HOW IT WORKS SECTION
   ============================================ */

.how-it-works {
    padding: var(--spacing-xl) 0;
    background: var(--white);
}

.steps {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: var(--spacing-md);
    align-items: center;
}

.step {
    background: var(--off-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    position: relative;
    border: 2px solid var(--light-gray);
    transition: all var(--transition-medium);
}

.step:hover {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-md);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-main);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    box-shadow: var(--shadow-md);
}

.step-content {
    text-align: center;
}

.step-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-sm);
    background: var(--gradient-main);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
}

.step h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--near-black);
}

.step p {
    color: var(--medium-gray);
    margin-bottom: var(--spacing-sm);
}

.step-detail {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--dark-gray);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.step-detail i {
    color: var(--primary-blue);
}

.step-connector {
    font-size: 2rem;
    color: var(--primary-blue);
}

/* ============================================
   COMING SOON BADGE
   ============================================ */

.coming-soon-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 0.75rem 1.5rem;
    border-radius: 30px;
    margin-top: var(--spacing-sm);
    font-size: 0.95rem;
    font-weight: 600;
}

.coming-soon-badge i {
    font-size: 1.1rem;
}

/* ============================================
   WAITLIST SECTION
   ============================================ */

.waitlist-section {
    padding: var(--spacing-xl) 0;
    background: var(--gradient-main);
    color: var(--white);
}

.waitlist-content {
    max-width: 700px;
    margin: 0 auto;
}

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

.launch-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1.5rem;
    border-radius: 30px;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    font-size: 0.95rem;
}

.launch-badge i {
    font-size: 1.2rem;
}

.waitlist-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.waitlist-header p {
    font-size: 1.1rem;
    opacity: 0.95;
}

.waitlist-form-container {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.waitlist-form {
    margin-bottom: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: var(--white);
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: all var(--transition-fast);
}

.form-group input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.15);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='white' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 3rem;
}

.form-group select option {
    background: var(--dark-gray);
    color: var(--white);
}

.form-buttons {
    display: flex;
    gap: 1rem;
    margin-top: var(--spacing-md);
}

.form-buttons button {
    flex: 1;
}

.waitlist-benefits {
    display: flex;
    justify-content: space-around;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.benefit {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
}

.benefit i {
    font-size: 1.5rem;
    opacity: 0.9;
}

.benefit span {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--near-black);
    color: var(--light-gray);
    padding: var(--spacing-lg) 0 var(--spacing-md) 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-col h4 {
    color: var(--white);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.footer-col a {
    display: block;
    color: var(--light-gray);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    color: var(--medium-gray);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

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

    .step-connector {
        transform: rotate(90deg);
        margin: var(--spacing-sm) 0;
    }
}

@media (max-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        display: none;
    }

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

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

    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .nav-links {
        display: none;
    }

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

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

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

    .ai-highlight h2 {
        font-size: 2rem;
    }

    .ai-stats-card {
        grid-template-columns: 1fr;
    }

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

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

    .waitlist-benefits {
        flex-direction: column;
    }

    .waitlist-header h2 {
        font-size: 2rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }
}

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

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

    .stat-value {
        font-size: 1.5rem;
    }
}

/* ============================================
   ANIMATIONS & UTILITIES
   ============================================ */

.fade-in {
    animation: fadeIn 1s ease-in;
}

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

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

/* Selection styling */
::selection {
    background: var(--primary-blue);
    color: var(--white);
}