/**
 * =====================================================
 * PromptLence - Main Stylesheet
 * Glassmorphism design system with cinematic dark theme
 * =====================================================
 */

/* -----------------------------------------------------
   CSS Custom Properties (Design Tokens)
   ----------------------------------------------------- */
:root {
    /* Colors */
    --bg-primary: #0A0A0A;
    --bg-secondary: #0E1A14;
    --bg-surface: #1a1a1a;
    --accent: #00FF88;
    --accent-rgb: 0, 255, 136;
    --text-primary: #F5F7F6;
    --text-secondary: #A8B2AD;
    --text-muted: #6B7570;
    --border-color: rgba(245, 247, 246, 0.10);
    --border-hover: rgba(0, 255, 136, 0.30);
    
    /* Glassmorphism */
    --glass-bg: rgba(245, 247, 246, 0.06);
    --glass-bg-light: rgba(245, 247, 246, 0.08);
    --glass-border: 1px solid rgba(245, 247, 246, 0.10);
    --glass-blur: blur(16px);
    
    /* Typography */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'Space Mono', monospace;
    
    /* Spacing */
    --nav-height: 64px;
    --section-padding: 10vh 4vw;
    --card-radius: 28px;
    --card-radius-sm: 22px;
    --pill-radius: 999px;
    
    /* Shadows */
    --shadow-card: 0 18px 50px rgba(0, 0, 0, 0.35);
    --shadow-glow: 0 0 20px rgba(0, 255, 136, 0.25);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-index layers */
    --z-grain: 9999;
    --z-modal: 2000;
    --z-nav: 1000;
    --z-dropdown: 100;
    --z-backdrop: 50;
}

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

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

body {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

/* Selection */
::selection {
    background: rgba(var(--accent-rgb), 0.3);
    color: var(--text-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Focus styles */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Links */
a {
    color: var(--accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

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

/* -----------------------------------------------------
   Grain Overlay
   ----------------------------------------------------- */
.grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: var(--z-grain);
    opacity: 0.04;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* -----------------------------------------------------
   Typography
   ----------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

h1 {
    font-size: clamp(2.625rem, 5vw, 4.5rem);
    line-height: 0.98;
}

h2 {
    font-size: clamp(2rem, 3.6vw, 3.5rem);
    line-height: 1.0;
}

h3 {
    font-size: clamp(1.5rem, 2vw, 2rem);
}

h4 {
    font-size: 1.125rem;
    font-weight: 500;
}

.micro-label {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    opacity: 0.75;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    display: block;
}

/* -----------------------------------------------------
   Buttons
   ----------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 14px 32px;
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.02em;
    border-radius: var(--pill-radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent);
    color: var(--bg-primary);
}

.btn-primary:hover {
    transform: scale(1.04);
    box-shadow: var(--shadow-glow);
    color: var(--bg-primary);
}

.btn-ghost {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(var(--accent-rgb), 0.05);
}

.btn-sm {
    padding: 10px 24px;
    font-size: 13px;
}

.btn-lg {
    padding: 18px 40px;
    font-size: 16px;
}

.btn-full {
    width: 100%;
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* -----------------------------------------------------
   Cards
   ----------------------------------------------------- */
.card {
    background: var(--glass-bg);
    border: var(--glass-border);
    border-radius: var(--card-radius);
    padding: 40px 32px;
    transition: all var(--transition-base);
}

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

.card-glass {
    background: var(--glass-bg-light);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: var(--card-radius);
}

/* -----------------------------------------------------
   Chips / Tags
   ----------------------------------------------------- */
.chip {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 8px 20px;
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 500;
    border-radius: var(--pill-radius);
    border: 1px solid var(--border-color);
    background: var(--glass-bg);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
}

.chip:hover {
    border-color: var(--accent);
    color: var(--text-primary);
}

.chip.active {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg-primary);
}

.chip-sm {
    padding: 6px 16px;
    font-size: 12px;
}

/* -----------------------------------------------------
   Forms
   ----------------------------------------------------- */
.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 14px 18px;
    font-family: var(--font-body);
    font-size: 15px;
    color: var(--text-primary);
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.10);
}

.form-input::placeholder {
    color: var(--text-muted);
}

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

.form-error {
    font-size: 13px;
    color: #FF4444;
    margin-top: 6px;
}

.form-hint {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 6px;
}

/* -----------------------------------------------------
   Navigation
   ----------------------------------------------------- */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: var(--z-nav);
    transition: all var(--transition-base);
}

.main-nav.scrolled {
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 4vw;
}

.nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

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

.nav-link {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 400;
    color: var(--text-secondary);
    text-decoration: none;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease;
}

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

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
}

.nav-cta {
    padding: 10px 24px;
    font-size: 13px;
}

/* Nav Dropdown */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 14px;
    cursor: pointer;
    padding: 4px 0;
    transition: color var(--transition-fast);
}

.nav-dropdown-toggle:hover {
    color: var(--text-primary);
}

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 200px;
    background: var(--glass-bg-light);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: var(--card-radius-sm);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-card);
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    color: var(--text-secondary);
    font-size: 14px;
    border-radius: 10px;
    transition: all var(--transition-fast);
}

.nav-dropdown-menu a:hover {
    background: rgba(var(--accent-rgb), 0.08);
    color: var(--text-primary);
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: 8px 0;
}

.logout-link {
    color: #FF6B6B !important;
}

.logout-link:hover {
    background: rgba(255, 107, 107, 0.08) !important;
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
}

.mobile-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mobile-menu-content {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mobile-nav-link {
    display: block;
    padding: 12px 16px;
    color: var(--text-secondary);
    font-size: 16px;
    border-radius: 12px;
    transition: all var(--transition-fast);
}

.mobile-nav-link:hover {
    background: rgba(var(--accent-rgb), 0.08);
    color: var(--text-primary);
}

.mobile-menu-divider {
    height: 1px;
    background: var(--border-color);
    margin: 8px 0;
}

.mobile-cta {
    margin-top: 8px;
}

/* -----------------------------------------------------
   Flash Messages
   ----------------------------------------------------- */
.flash-message {
    position: fixed;
    top: calc(var(--nav-height) + 16px);
    left: 50%;
    transform: translateX(-50%);
    z-index: calc(var(--z-nav) + 10);
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 24px;
    background: var(--glass-bg-light);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: var(--card-radius-sm);
    box-shadow: var(--shadow-card);
    animation: flashSlideIn 0.3s ease;
}

@keyframes flashSlideIn {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.flash-success {
    border-left: 3px solid var(--accent);
}

.flash-error {
    border-left: 3px solid #FF4444;
}

.flash-info {
    border-left: 3px solid #4488FF;
}

.flash-content {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.flash-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    transition: color var(--transition-fast);
}

.flash-close:hover {
    color: var(--text-primary);
}

/* -----------------------------------------------------
   Back to Top Button
   ----------------------------------------------------- */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--glass-bg-light);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    color: var(--text-primary);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: var(--z-backdrop);
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--accent);
    color: var(--bg-primary);
    box-shadow: var(--shadow-glow);
}

/* -----------------------------------------------------
   Footer
   ----------------------------------------------------- */
.site-footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 80px 4vw 40px;
}

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

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

.footer-brand {
    max-width: 280px;
}

.footer-logo {
    display: inline-block;
    margin-bottom: 16px;
    text-decoration: none;
}

.footer-logo .logo-text {
    font-size: 24px;
}

.footer-tagline {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 24px;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 16px;
    transition: all var(--transition-fast);
}

.social-links a:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(var(--accent-rgb), 0.08);
    transform: translateY(-2px);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-links-title {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.footer-links-list {
    list-style: none;
}

.footer-links-list li {
    margin-bottom: 12px;
}

.footer-links-list a {
    color: var(--text-secondary);
    font-size: 14px;
    transition: color var(--transition-fast);
}

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

.footer-newsletter {
    border-top: 1px solid var(--border-color);
    padding-top: 40px;
    margin-bottom: 40px;
}

.footer-newsletter-title {
    font-size: 18px;
    margin-bottom: 8px;
}

.footer-newsletter-desc {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 20px;
}

.newsletter-form {
    max-width: 400px;
}

.newsletter-input-group {
    display: flex;
    gap: 0;
}

.newsletter-input {
    flex: 1;
    padding: 14px 20px;
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--text-primary);
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-right: none;
    border-radius: var(--pill-radius) 0 0 var(--pill-radius);
    transition: border-color var(--transition-fast);
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--accent);
}

.newsletter-input::placeholder {
    color: var(--text-muted);
}

.newsletter-btn {
    padding: 14px 24px;
    border-radius: 0 var(--pill-radius) var(--pill-radius) 0;
    border: none;
    background: var(--accent);
    color: var(--bg-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.newsletter-btn:hover {
    background: #00e67a;
}

.newsletter-feedback {
    margin-top: 10px;
    font-size: 13px;
    min-height: 20px;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
    text-align: center;
}

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

/* -----------------------------------------------------
   Utility Classes
   ----------------------------------------------------- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 4vw;
}

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

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

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

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

/* Section backgrounds */
.bg-primary {
    background-color: var(--bg-primary);
}

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

/* -----------------------------------------------------
   Page Hero (for sub-pages)
   ----------------------------------------------------- */
.page-hero {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 45vh;
    padding-top: var(--nav-height);
    overflow: hidden;
}

.page-hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    z-index: 0;
}

.page-hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10, 10, 10, 0.5) 0%, rgba(10, 10, 10, 0.85) 100%);
}

.page-hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 40px 4vw;
}

.page-hero .micro-label {
    margin-bottom: 16px;
}

.page-hero h1 {
    max-width: 800px;
    margin: 0 auto 16px;
}

.page-hero-subtitle {
    color: var(--text-secondary);
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto;
}

/* -----------------------------------------------------
   Animation Utilities
   ----------------------------------------------------- */
.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

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

.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }

/* Scroll reveal (for JS to toggle) */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* -----------------------------------------------------
   Responsive Styles
   ----------------------------------------------------- */
@media (max-width: 1024px) {
    .footer-main {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-newsletter {
        text-align: center;
    }
    
    .newsletter-form {
        margin: 0 auto;
    }
    
    .card {
        padding: 32px 24px;
    }
    
    .btn-lg {
        padding: 16px 32px;
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    :root {
        --section-padding: 8vh 4vw;
        --card-radius: 22px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
    }
}

/* -----------------------------------------------------
   Accessibility
   ----------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}


/* =====================================================
   HOME PAGE STYLES
   ===================================================== */

/* -----------------------------------------------------
   Hero Section
   ----------------------------------------------------- */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--nav-height) + 40px) 4vw 40px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-bg-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10, 10, 10, 0.35) 0%, rgba(10, 10, 10, 0.85) 100%);
}

.hero-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
    width: 100%;
    max-width: 1400px;
    align-items: start;
}

/* Hero Panels */
.hero-panel {
    background: var(--glass-bg-light);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: var(--card-radius);
    padding: 40px;
}

.hero-panel-left {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.hero-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    line-height: 1.1;
    margin: 0;
}

.hero-description {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
    margin: 0;
}

/* Upload Area */
.upload-area {
    position: relative;
    border: 2px dashed rgba(245, 247, 246, 0.22);
    border-radius: var(--card-radius-sm);
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    overflow: hidden;
    min-height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--accent);
    background: rgba(var(--accent-rgb), 0.05);
}

.upload-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.upload-icon {
    font-size: 40px;
    color: var(--accent);
    margin-bottom: 8px;
}

.upload-text {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    margin: 0;
}

.upload-hint {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

.upload-formats {
    font-size: 12px;
    color: var(--text-muted);
    margin: 0;
}

.upload-preview {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--card-radius-sm);
}

.upload-remove {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(10, 10, 10, 0.7);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transition: all var(--transition-fast);
}

.upload-remove:hover {
    background: #FF4444;
    border-color: #FF4444;
}

/* Style Selector */
.style-selector {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.style-label {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
}

.style-selector .chip-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* Preview Panel */
.hero-panel-right {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.preview-header {
    margin-bottom: 4px;
}

.preview-image-card {
    position: relative;
    aspect-ratio: 16 / 10;
    border-radius: var(--card-radius-sm);
    overflow: hidden;
    background: var(--glass-bg);
    border: var(--glass-border);
}

.preview-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--text-muted);
}

.preview-placeholder i {
    font-size: 48px;
}

.preview-placeholder p {
    font-size: 14px;
    margin: 0;
}

.preview-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.preview-prompt-area {
    background: var(--glass-bg);
    border: var(--glass-border);
    border-radius: var(--card-radius-sm);
    padding: 20px;
}

.prompt-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.prompt-label {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
}

.btn-copy {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--glass-bg-light);
    border: var(--glass-border);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.btn-copy:hover {
    background: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
}

.btn-copy.copied {
    background: var(--accent);
    color: var(--bg-primary);
}

.prompt-text {
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
    max-height: 200px;
    overflow-y: auto;
}

/* Loading State */
.preview-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    min-height: 200px;
    color: var(--text-secondary);
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid rgba(245, 247, 246, 0.1);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* -----------------------------------------------------
   Section Styles (Shared)
   ----------------------------------------------------- */
.section-padding {
    padding: var(--section-padding);
}

.section-header {
    margin-bottom: 60px;
}

.section-header-left {
    flex: 1;
}

.section-header-right {
    flex-shrink: 0;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto;
}

.section-header:not(.text-center) {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
}

.section-header:not(.text-center) .section-subtitle {
    margin: 0;
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--glass-bg);
    border: var(--glass-border);
    border-radius: var(--card-radius);
    padding: 40px 32px;
    transition: all var(--transition-base);
}

.feature-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-6px);
    box-shadow: var(--shadow-card);
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: rgba(var(--accent-rgb), 0.1);
    border: 1px solid rgba(var(--accent-rgb), 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--accent);
    margin-bottom: 24px;
}

.feature-title {
    font-size: 20px;
    margin-bottom: 12px;
}

.feature-desc {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
    margin: 0;
}

/* -----------------------------------------------------
   How It Works Section
   ----------------------------------------------------- */
.how-it-works-section {
    background: var(--bg-secondary);
}

.steps-container {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    max-width: 1000px;
    margin: 0 auto;
}

.step-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    position: relative;
}

.step-number {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    border: 2px solid var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    background: rgba(var(--accent-rgb), 0.08);
}

.step-number span {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 600;
    color: var(--accent);
}

.step-title {
    font-size: 20px;
    margin-bottom: 12px;
}

.step-desc {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
    max-width: 280px;
    margin: 0;
}

.step-connector {
    position: absolute;
    top: 32px;
    right: -24px;
    color: var(--accent);
    font-size: 20px;
    opacity: 0.5;
}

/* -----------------------------------------------------
   AI Tools Section
   ----------------------------------------------------- */
.tools-section {
    background: var(--bg-primary);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.tool-card {
    background: var(--glass-bg);
    border: var(--glass-border);
    border-radius: var(--card-radius);
    padding: 40px 24px;
    text-align: center;
    transition: all var(--transition-base);
}

.tool-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-6px);
    box-shadow: var(--shadow-card);
}

.tool-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(var(--accent-rgb), 0.1);
    border: 1px solid rgba(var(--accent-rgb), 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--accent);
    margin: 0 auto 24px;
}

.tool-name {
    font-size: 18px;
    margin-bottom: 8px;
}

.tool-desc {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.5;
    margin: 0;
}

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

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.gallery-card {
    position: relative;
}

.gallery-image-wrapper {
    position: relative;
    aspect-ratio: 3 / 4;
    border-radius: var(--card-radius-sm);
    overflow: hidden;
    cursor: pointer;
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-image-wrapper:hover .gallery-image {
    transform: scale(1.05);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(10, 10, 10, 0.85) 100%);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-end;
    padding: 24px;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.gallery-image-wrapper:hover .gallery-overlay {
    opacity: 1;
}

.gallery-style {
    margin-bottom: 12px;
}

.gallery-view-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--accent);
    color: var(--bg-primary);
    border: none;
    border-radius: var(--pill-radius);
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.gallery-view-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

.gallery-title {
    margin-top: 16px;
    font-size: 16px;
    color: var(--text-primary);
}

/* Gallery Modal */
.gallery-modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(8px);
}

.gallery-modal-content {
    position: relative;
    z-index: 1;
    background: var(--glass-bg-light);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: var(--card-radius);
    max-width: 900px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.gallery-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(10, 10, 10, 0.6);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transition: all var(--transition-fast);
}

.gallery-modal-close:hover {
    background: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
}

.gallery-modal-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.gallery-modal-image {
    aspect-ratio: 3 / 4;
    overflow: hidden;
}

.gallery-modal-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-modal-details {
    padding: 40px;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    max-height: 70vh;
}

.gallery-modal-details h3 {
    margin-bottom: 20px;
    font-size: 20px;
}

.modal-prompt-text {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 24px;
    flex: 1;
    overflow-y: auto;
}

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

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
    align-items: start;
}

.pricing-card {
    background: var(--glass-bg);
    border: var(--glass-border);
    border-radius: var(--card-radius);
    padding: 40px 32px;
    position: relative;
    transition: all var(--transition-base);
}

.pricing-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-card);
}

.pricing-card-featured {
    border-color: var(--accent);
    transform: translateY(-12px);
    box-shadow: 0 0 30px rgba(var(--accent-rgb), 0.1);
}

.pricing-card-featured:hover {
    transform: translateY(-18px);
}

.pricing-badge {
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: var(--bg-primary);
    font-family: var(--font-heading);
    font-size: 12px;
    font-weight: 600;
    padding: 6px 20px;
    border-radius: 0 0 var(--card-radius-sm) var(--card-radius-sm);
}

.pricing-name {
    font-size: 24px;
    margin-bottom: 16px;
    text-align: center;
}

.pricing-price {
    text-align: center;
    margin-bottom: 16px;
}

.price-currency {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 600;
    color: var(--accent);
    vertical-align: top;
}

.price-amount {
    font-family: var(--font-heading);
    font-size: 56px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.price-period {
    font-size: 16px;
    color: var(--text-secondary);
}

.pricing-desc {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 24px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(245, 247, 246, 0.05);
    font-size: 14px;
    color: var(--text-secondary);
}

.pricing-features li i {
    color: var(--accent);
    font-size: 14px;
}

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

.faq-accordion {
    max-width: 720px;
    margin: 0 auto;
}

.accordion {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.accordion-item {
    background: var(--glass-bg);
    border: var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    transition: border-color var(--transition-fast);
}

.accordion-item:hover {
    border-color: var(--border-hover);
}

.accordion-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 20px 24px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 500;
    text-align: left;
    transition: color var(--transition-fast);
}

.accordion-header:hover {
    color: var(--accent);
}

.accordion-question {
    flex: 1;
    padding-right: 16px;
}

.accordion-icon {
    transition: transform 0.3s ease;
    color: var(--text-muted);
    flex-shrink: 0;
}

.accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.accordion-content {
    padding: 0 24px 20px;
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.7;
}

/* -----------------------------------------------------
   CTA Section
   ----------------------------------------------------- */
.cta-section {
    position: relative;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.cta-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cta-bg-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10, 10, 10, 0.6) 0%, rgba(10, 10, 10, 0.85) 100%);
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 80px 4vw;
    max-width: 700px;
}

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

.cta-desc {
    color: var(--text-secondary);
    font-size: 18px;
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* -----------------------------------------------------
   Lightbox Styles
   ----------------------------------------------------- */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(8px);
}

.lightbox-content {
    position: relative;
    z-index: 1;
    max-width: 90vw;
    max-height: 90vh;
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(245, 247, 246, 0.1);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.lightbox-close:hover {
    background: var(--accent);
    color: var(--bg-primary);
}

.lightbox-image {
    max-width: 100%;
    max-height: 80vh;
    border-radius: var(--card-radius-sm);
}

.lightbox-caption {
    text-align: center;
    color: var(--text-secondary);
    margin-top: 16px;
    font-size: 14px;
}

/* -----------------------------------------------------
   Responsive (Home Page)
   ----------------------------------------------------- */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-card-featured {
        transform: none;
    }
    
    .pricing-card-featured:hover {
        transform: translateY(-6px);
    }
    
    .steps-container {
        flex-direction: column;
        gap: 40px;
    }
    
    .step-connector {
        display: none;
    }
    
    .gallery-modal-body {
        grid-template-columns: 1fr;
    }
    
    .gallery-modal-image {
        aspect-ratio: 16 / 9;
    }
}

@media (max-width: 768px) {
    .hero-section {
        min-height: auto;
        padding-top: calc(var(--nav-height) + 20px);
    }
    
    .hero-panel {
        padding: 24px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card-featured {
        order: -1;
    }
    
    .section-header:not(.text-center) {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
    
    .gallery-modal-details {
        padding: 24px;
        max-height: 50vh;
    }
}

@media (max-width: 480px) {
    .hero-panel {
        padding: 20px;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .upload-area {
        padding: 30px 16px;
        min-height: 150px;
    }
    
    .style-selector .chip-group {
        justify-content: center;
    }
    
    .price-amount {
        font-size: 42px;
    }
}