/* ============================================
   RESET & BASE STYLES
============================================ */

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

:root {
    /* Colors - Minimal palette */

    --color-accent: #6366F1;
    /*--font-display: 'Crimson Pro', serif;*/

    --color-primary: #635BFF;
    --color-primary-dark: #4F46E5;
    --color-primary-light: #E0E7FF;

    --color-nav-btn-primary: #5cffc3;
    
    --color-text-primary: #0A0A0A;
    --color-text-secondary: #525252;
    --color-text-tertiary: #A3A3A3;
    
    --color-bg: #FFFFFF;
    --color-bg-secondary: #FAFAFA;
    --color-bg-tertiary: #F5F5F5;
    
    --color-border: #E5E5E5;
    --color-border-hover: #D4D4D4;
    
    --color-success: #22C55E;
    --color-error: #EF4444;
    
    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows - Minimal */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.06), 0 2px 4px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-primary);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   CONTAINER
============================================ */

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

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-lg);
    }
}

/* ============================================
   TYPOGRAPHY
============================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text-primary);
}

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

a {
    text-decoration: none;
    color: inherit;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    text-align: center;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
    box-shadow: 0 1px 2px rgba(99, 91, 255, 0.2);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 91, 255, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--color-text-primary);
    border: 1.5px solid var(--color-border);
}

.btn-outline:hover {
    border-color: var(--color-text-primary);
    background: var(--color-bg-tertiary);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
}

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

.logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.logo-accent {
    color: var(--color-accent);
}


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

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-lg);
    padding-bottom: var(--space-lg);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--color-text-primary);
}

.nav-brand svg {
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-links a {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.btn-nav {
    padding: 0.5rem 1rem;
    background: var(--color-nav-btn-primary);
    color: black;
    border-radius: var(--radius-md);
    font-size: 0.875rem;

}


.btn-nav:hover {
    background: var(--color-primary);
    transform: translateY(-1px);
}

@media (max-width: 768px) {
    .nav-links a:not(.btn-nav) {
        display: none;
    }
}

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

.hero {
    padding-top: 140px;
    padding-bottom: var(--space-4xl);
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.5rem 1rem;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: 2rem;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-lg);
    color: var(--color-text-primary);
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto var(--space-2xl);
}

.hero-cta {
    margin-bottom: var(--space-3xl);
}

.cta-note {
    margin-top: var(--space-md);
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.visual-card {
    flex: 1;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.card-header {
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-secondary);
}

.card-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.card-content {
    padding: var(--space-lg);
}

.text-messy {
    font-size: 0.875rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
}

.code-block {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 1.6;
    color: var(--color-primary);
}

.visual-arrow {
    flex-shrink: 0;
    color: var(--color-text-tertiary);
    animation: arrowPulse 2s infinite;
}

@keyframes arrowPulse {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(4px);
    }
}

/* Animations */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.fade-in-delay-1 {
    animation: fadeIn 0.6s ease-out 0.2s both;
}

.fade-in-delay-2 {
    animation: fadeIn 0.6s ease-out 0.4s both;
}

.fade-in-delay-3 {
    animation: fadeIn 0.6s ease-out 0.6s both;
}

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

/* Typing effect */
.typing-text {
    display: inline-block;
    overflow: hidden;
    border-right: 2px solid var(--color-primary);
    white-space: nowrap;
    animation: typing 3s steps(60) 0.5s both, blink 0.7s step-end infinite;
}

@keyframes typing {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

@keyframes blink {
    50% {
        border-color: transparent;
    }
}

/* ============================================
   SECTIONS
============================================ */

section {
    padding: var(--space-4xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Reveal on Scroll */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   PROBLEM SECTION
============================================ */

.problem-section {
    background: var(--color-bg-secondary);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-4xl);
}

.problem-card {
    padding: var(--space-xl);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.problem-card:hover {
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.problem-icon {
    font-size: 2rem;
    margin-bottom: var(--space-md);
}

.problem-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.problem-card p {
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* Comparison */
.comparison-container {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--space-xl);
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.comparison-side {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.comparison-label {
    padding: var(--space-md);
    background: var(--color-bg-tertiary);
    font-size: 0.875rem;
    font-weight: 600;
    text-align: center;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.comparison-content {
    padding: var(--space-lg);
}

.messy-email {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 1.8;
}

.email-line {
    margin-bottom: 0.25rem;
    color: var(--color-text-secondary);
}

.structured-output {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
}

.code-output {
    color: var(--color-primary);
    line-height: 1.6;
}

.comparison-badge {
    margin-top: var(--space-md);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    font-weight: 500;
    text-align: center;
}

.comparison-badge.bad {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-error);
}

.comparison-badge.good {
    background: rgba(34, 197, 94, 0.1);
    color: var(--color-success);
}

.comparison-divider {
    display: flex;
    align-items: center;
    justify-content: center;
}

.divider-icon {
    font-size: 2rem;
    color: var(--color-text-tertiary);
}

@media (max-width: 968px) {
    .comparison-container {
        grid-template-columns: 1fr;
    }
    
    .comparison-divider {
        transform: rotate(90deg);
    }
}

/* ============================================
   SOLUTION SECTION
============================================ */

.solution-section {
    background: var(--color-bg);
}

.flow-diagram {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-xl);
    margin-bottom: var(--space-4xl);
}

.flow-step {
    flex: 1;
    max-width: 250px;
    text-align: center;
}

.flow-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

.flow-icon-highlight {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.flow-step:hover .flow-icon {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.flow-step h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
}

.flow-step p {
    font-size: 0.9375rem;
}

.flow-arrow {
    flex-shrink: 0;
    color: var(--color-text-tertiary);
}

/* Code Example */
.code-example {
    max-width: 800px;
    margin: 0 auto;
    background: var(--color-text-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.code-dots {
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot-red {
    background: #FF5F57;
}

.dot-yellow {
    background: #FFBD2E;
}

.dot-green {
    background: #28CA42;
}

.code-title {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

.code-body {
    padding: var(--space-xl);
}

.code-snippet {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.8;
    color: #E5E7EB;
    overflow-x: auto;
}

@media (max-width: 768px) {
    .flow-diagram {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .flow-arrow {
        transform: rotate(90deg);
    }
}

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

.how-section {
    background: var(--color-bg-secondary);
}

.steps-container {
    display: grid;
    gap: var(--space-3xl);
}

.step-item {
    display: grid;
    grid-template-columns: 80px 1fr 200px;
    gap: var(--space-xl);
    align-items: center;
}

.step-number {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: white;
    font-size: 2rem;
    font-weight: 700;
    border-radius: 50%;
    box-shadow: var(--shadow-md);
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.step-content p {
    font-size: 1rem;
    line-height: 1.6;
}

.step-visual {
    display: flex;
    justify-content: center;
}

.visual-box {
    width: 160px;
    height: 120px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}

.visual-lines {
    width: 100px;
}

.line {
    height: 8px;
    background: var(--color-bg-tertiary);
    border-radius: 4px;
    margin-bottom: 0.5rem;
}

.line-1 {
    width: 100%;
}

.line-2 {
    width: 80%;
}

.line-3 {
    width: 90%;
}

.line-4 {
    width: 60%;
}

.ai-processing {
    display: flex;
    gap: 0.5rem;
}

.ai-dot {
    width: 12px;
    height: 12px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out both;
}

.ai-dot:nth-child(1) {
    animation-delay: -0.32s;
}

.ai-dot:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes bounce {
    0%, 80%, 100% {
        transform: scale(0);
    }
    40% {
        transform: scale(1);
    }
}

.json-preview {
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.json-key {
    color: var(--color-primary);
}

.json-value {
    color: var(--color-text-secondary);
}

@media (max-width: 768px) {
    .step-item {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .step-number {
        margin: 0 auto;
    }
    
    .step-visual {
        order: -1;
    }
}

/* ============================================
   PRICING SECTION
============================================ */

.pricing-section {
    background: var(--color-bg);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    position: relative;
    padding: var(--space-2xl);
    background: var(--color-bg);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.pricing-card:hover {
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.pricing-card-featured {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.375rem 1rem;
    background: var(--color-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 2rem;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--color-border);
}

.pricing-header h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
    margin-bottom: var(--space-sm);
}

.price-currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.price-amount {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.price-amount-custom {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.price-period {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
}

.pricing-description {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--space-xl);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

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

/* ============================================
   CTA SECTION
============================================ */

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

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: var(--space-md);
}

.cta-content p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-2xl);
}

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

.cta-content .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.cta-subtext {
    margin-top: var(--space-md);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
}

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

.footer {
    background: var(--color-bg-secondary);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-2xl);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--color-text-primary);
}

.footer-logo svg {
    color: var(--color-primary);
}

.footer-tagline {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

.footer-column h4 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
    color: var(--color-text-primary);
}

.footer-column a {
    display: block;
    padding: 0.375rem 0;
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-text-primary);
}

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
}

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

@media (max-width: 968px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-visual {
        flex-direction: column;
    }
    
    .visual-arrow {
        transform: rotate(90deg);
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .hero {
        padding-top: 100px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .btn-lg {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
}