/* ========================================
   PostPatch Wizard - Premium Consulting Styles
   ======================================== */

:root {
    /* Color System */
    --primary: #0ea5e9;
    --primary-dark: #0284c7;
    --primary-light: #38bdf8;
    --primary-50: #f0f9ff;
    --primary-100: #e0f2fe;
    
    --neutral-900: #0f172a;
    --neutral-800: #1e293b;
    --neutral-700: #334155;
    --neutral-600: #475569;
    --neutral-500: #64748b;
    --neutral-400: #94a3b8;
    --neutral-300: #cbd5e1;
    --neutral-200: #e2e8f0;
    --neutral-100: #f1f5f9;
    --neutral-50: #f8fafc;
    --white: #ffffff;
    
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* 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;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--neutral-800);
    background-color: var(--white);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ========================================
   Layout Components
   ======================================== */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

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

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--neutral-900);
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--neutral-600);
    line-height: 1.7;
}

/* ========================================
   Header / Navigation
   ======================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--neutral-200);
    transition: var(--transition-base);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--neutral-900);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.25rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    list-style: none;
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--neutral-700);
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition-base);
}

.nav-link:hover {
    color: var(--primary);
}

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

.nav-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    background: var(--primary);
    color: white;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
}

.nav-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Mobile Menu Toggle */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--neutral-800);
    transition: var(--transition-base);
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
    padding-top: 140px;
    padding-bottom: var(--space-4xl);
    background: linear-gradient(180deg, var(--primary-50) 0%, var(--white) 50%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    background: radial-gradient(circle at 70% 30%, var(--primary-100) 0%, transparent 60%);
    opacity: 0.5;
    pointer-events: none;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    position: relative;
}

.hero-content {
    max-width: 560px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: var(--white);
    border: 1px solid var(--primary-100);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary-dark);
    margin-bottom: var(--space-lg);
    box-shadow: var(--shadow-sm);
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    background: var(--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: 800;
    color: var(--neutral-900);
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.hero-title-accent {
    color: var(--primary);
    position: relative;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--neutral-600);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

.hero-cta-group {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    background: var(--primary);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    box-shadow: var(--shadow-lg), var(--shadow-md);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl), var(--shadow-lg);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    background: var(--white);
    color: var(--neutral-700);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 2px solid var(--neutral-200);
    transition: var(--transition-base);
}

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

.hero-stats {
    display: flex;
    gap: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--neutral-200);
}

.stat-item {
    text-align: left;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--neutral-900);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--neutral-500);
    font-weight: 500;
}

.hero-visual {
    position: relative;
}

.hero-image {
    width: 100%;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    object-fit: cover;
}

.hero-image-card {
    position: absolute;
    bottom: -30px;
    left: -30px;
    background: var(--white);
    padding: var(--space-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.hero-image-card-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-50);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.hero-image-card-text {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--neutral-900);
}

.hero-image-card-subtext {
    font-size: 0.75rem;
    color: var(--neutral-500);
}

/* ========================================
   Features Section
   ======================================== */

.features {
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.feature-card {
    padding: var(--space-2xl);
    background: var(--neutral-50);
    border-radius: var(--radius-xl);
    border: 1px solid var(--neutral-100);
    transition: var(--transition-base);
}

.feature-card:hover {
    background: var(--white);
    border-color: var(--primary-100);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-bottom: var(--space-lg);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: var(--space-sm);
}

.feature-description {
    font-size: 0.9375rem;
    color: var(--neutral-600);
    line-height: 1.6;
}

/* ========================================
   AI Video Studio Section
   ======================================== */

.video-studio {
    background: linear-gradient(180deg, var(--neutral-50) 0%, var(--white) 100%);
}

.video-studio-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.video-studio-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: var(--primary);
    color: white;
    font-size: 0.8125rem;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.prompts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.prompt-card {
    background: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--neutral-200);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.prompt-card:hover {
    border-color: var(--primary-200);
    box-shadow: var(--shadow-md);
}

.prompt-letter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--primary-50);
    color: var(--primary-dark);
    font-weight: 700;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    font-size: 1rem;
}

.prompt-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: var(--space-sm);
}

.prompt-description {
    font-size: 0.875rem;
    color: var(--neutral-600);
    line-height: 1.6;
}

.video-generate-section {
    text-align: center;
    padding: var(--space-3xl) 0;
    background: var(--white);
    border-radius: var(--radius-2xl);
    margin-top: var(--space-2xl);
    box-shadow: var(--shadow-lg);
}

.generate-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin: 0 auto var(--space-lg);
    box-shadow: var(--shadow-xl);
}

.generate-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: var(--space-sm);
}

.generate-description {
    font-size: 1rem;
    color: var(--neutral-600);
    margin-bottom: var(--space-xl);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.btn-generate {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    font-size: 1.125rem;
    font-weight: 700;
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
    box-shadow: var(--shadow-xl);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-generate:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-2xl);
}

/* ========================================
   Contact Section
   ======================================== */

.contact {
    background: var(--neutral-900);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary-dark) 0%, transparent 70%);
    opacity: 0.3;
    pointer-events: none;
}

.contact-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    position: relative;
}

.contact-content {
    max-width: 480px;
}

.contact-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

.contact-description {
    font-size: 1.125rem;
    color: var(--neutral-300);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.contact-benefits {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.contact-benefit {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 1rem;
    color: var(--neutral-200);
}

.contact-benefit-icon {
    width: 24px;
    height: 24px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.contact-form {
    background: var(--white);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
}

.form-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: var(--space-lg);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--neutral-700);
    margin-bottom: var(--space-sm);
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    border: 2px solid var(--neutral-200);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    background: var(--neutral-50);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px var(--primary-100);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-submit {
    width: 100%;
    padding: 1rem;
    background: var(--primary);
    color: white;
    font-size: 1rem;
    font-weight: 700;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
}

.form-submit:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ========================================
   Footer
   ======================================== */

.footer {
    background: var(--neutral-50);
    padding: var(--space-2xl) 0;
    border-top: 1px solid var(--neutral-200);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-logo {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--neutral-900);
}

.footer-text {
    font-size: 0.875rem;
    color: var(--neutral-500);
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
}

.footer-link {
    font-size: 0.875rem;
    color: var(--neutral-600);
    font-weight: 500;
    transition: var(--transition-fast);
}

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

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 1024px) {
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-cta-group {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-inner {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        text-align: center;
    }
    
    .contact-benefits {
        align-items: center;
    }
}

@media (max-width: 768px) {
    .nav-links,
    .nav-cta {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .prompts-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-inner {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-cta-group {
        flex-direction: column;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .stat-item {
        text-align: center;
    }
}