/* Hair & Beard Style - HairAndBeardStyle.com
 * Premium UI/UX Design System
 */

/* ========================================
   DESIGN SYSTEM - CUSTOM PROPERTIES
   ======================================== */
:root {
    /* Colors - Refined Neutrals with Accent */
    --color-bg: #fafafa;
    --color-surface: #ffffff;
    --color-surface-alt: #f5f5f5;
    --color-text: #1a1a1a;
    --color-text-secondary: #6b7280;
    --color-text-muted: #9ca3af;
    --color-border: #e5e7eb;
    --color-border-light: #f0f0f0;
    
    /* Accent - Refined Blue */
    --color-accent: #0ea5e9;
    --color-accent-hover: #0284c7;
    --color-accent-light: rgba(14, 165, 233, 0.08);
    --color-accent-glow: rgba(14, 165, 233, 0.25);
    
    /* Dark Theme */
    --color-dark: #0f172a;
    --color-dark-lighter: #1e293b;
    --color-dark-text: #f8fafc;
    --color-dark-muted: rgba(248, 250, 252, 0.6);
    
    /* Typography */
    --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter", sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows - Soft, Layered */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 20px var(--color-accent-glow);
    
    /* Transitions */
    --ease-out: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --duration-fast: 150ms;
    --duration-normal: 200ms;
    --duration-slow: 300ms;
    --duration-slower: 500ms;

    /* Legacy vars for backwards compatibility */
    --mug-black: #0f172a;
    --mug-dark-gray: #1e293b;
    --mug-light-gray: #f5f5f5;
    --mug-border: #e5e7eb;
    --mug-blue: #0ea5e9;
    --mug-blue-hover: #0284c7;
    --mug-white: #ffffff;
    --mug-text-main: #1a1a1a;
    --mug-text-muted: #6b7280;
    --mug-shadow: var(--shadow-md);
    --mug-shadow-lg: var(--shadow-lg);
}

/* ========================================
   BASE STYLES
   ======================================== */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--color-bg);
    font-family: var(--font-stack);
    color: var(--color-text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.6;
}

/* ========================================
   ANIMATION KEYFRAMES
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* Reveal animation classes */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

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

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

/* ========================================
   SITE HEADER - Glassmorphism
   ======================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border-light);
    transition: box-shadow var(--duration-normal) var(--ease-out);
}

.site-header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--space-4) var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
}

.site-logo {
    text-decoration: none;
    color: var(--color-text);
    transition: opacity var(--duration-fast);
}

.site-logo:hover {
    opacity: 0.8;
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--duration-slow) var(--ease-out), visibility var(--duration-slow);
    z-index: 998;
}

.mobile-menu-overlay.open {
    opacity: 1;
    visibility: visible;
}

.site-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 280px;
    max-width: 85vw;
    background: var(--color-surface);
    padding: var(--space-20) var(--space-6) var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    transform: translateX(100%);
    transition: transform var(--duration-slow) var(--ease-out);
    z-index: 999;
    box-shadow: var(--shadow-2xl);
}

.site-nav.open {
    transform: translateX(0);
}

.nav-link {
    display: block;
    padding: var(--space-3) var(--space-4);
    color: var(--color-text);
    text-decoration: none;
    font-size: var(--font-size-base);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: background var(--duration-fast), color var(--duration-fast), transform var(--duration-fast);
}

.nav-link:hover {
    background: var(--color-accent-light);
    color: var(--color-accent);
    transform: translateX(4px);
}

.header-cta {
    display: none;
    padding: var(--space-3) var(--space-6);
    background: var(--color-accent);
    color: white;
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: background var(--duration-fast), transform var(--duration-fast), box-shadow var(--duration-fast);
}

.header-cta:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: var(--space-2);
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1000;
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform var(--duration-slow) var(--ease-spring), opacity var(--duration-fast);
}

.mobile-menu-btn.open .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.mobile-menu-btn.open .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

@media (min-width: 1024px) {
    .header-container {
        padding: var(--space-4) var(--space-8);
    }
    
    .mobile-menu-btn,
    .mobile-menu-overlay {
        display: none;
    }
    
    .site-nav {
        position: static;
        width: auto;
        max-width: none;
        flex-direction: row;
        gap: var(--space-1);
        background: none;
        padding: 0;
        transform: none;
        box-shadow: none;
    }
    
    .nav-link {
        padding: var(--space-2) var(--space-4);
        font-size: var(--font-size-sm);
    }
    
    .nav-link:hover {
        transform: none;
    }
    
    .header-cta {
        display: inline-flex;
    }
}

/* ========================================
   HERO SECTION - Split Layout with Animation
   ======================================== */
.hero-section {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-lighter) 100%);
    color: var(--color-dark-text);
    padding: var(--space-16) var(--space-6);
    min-height: 600px;
    display: flex;
    align-items: center;
}

/* Subtle noise texture overlay */
.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    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='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
}

/* Gradient orb decorations */
.hero-section::after {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 60%;
    height: 120%;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.15) 0%, transparent 60%);
    pointer-events: none;
}

.hero-bg-pattern {
    display: none;
}

.hero-container {
    position: relative;
    z-index: 1;
    max-width: 1280px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: center;
}

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

/* Staggered hero animations */
.hero-eyebrow {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: var(--space-4);
    animation: fadeInDown 0.6s var(--ease-out) forwards;
}

.hero-headline {
    margin: 0 0 var(--space-6) 0;
    font-size: var(--font-size-4xl);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    animation: fadeInUp 0.7s var(--ease-out) 0.1s both;
}

.hero-headline-highlight {
    background: linear-gradient(135deg, var(--color-accent) 0%, #38bdf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subhead {
    margin: 0 0 var(--space-8) 0;
    font-size: var(--font-size-lg);
    color: var(--color-dark-muted);
    line-height: 1.7;
    max-width: 540px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.7s var(--ease-out) 0.2s both;
}

.hero-cta-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    align-items: center;
    margin-bottom: var(--space-10);
    animation: fadeInUp 0.7s var(--ease-out) 0.3s both;
}

.hero-credibility {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-dark-muted);
    animation: fadeIn 0.7s var(--ease-out) 0.5s both;
}

.hero-credibility a {
    color: var(--color-dark-text);
    text-decoration: underline;
    text-decoration-color: rgba(255, 255, 255, 0.3);
    text-underline-offset: 3px;
    transition: text-decoration-color var(--duration-fast);
}

.hero-credibility a:hover {
    text-decoration-color: var(--color-accent);
}

/* Hero Preview Card */
.hero-visual {
    display: none;
    justify-content: center;
    animation: slideInRight 0.8s var(--ease-out) 0.3s both;
}

.hero-preview-card {
    position: relative;
    width: 100%;
    max-width: 380px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    backdrop-filter: blur(8px);
    animation: float 6s ease-in-out infinite;
}

.preview-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.preview-card-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-accent);
}

.preview-card-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-dark-muted);
}

.preview-card-image {
    width: 100%;
    aspect-ratio: 4/5;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--space-4);
}

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

.preview-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.preview-card-style {
    font-size: var(--font-size-base);
    font-weight: 600;
}

.preview-card-badge {
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-1) var(--space-3);
    background: var(--color-accent);
    color: white;
    border-radius: var(--radius-full);
}

@media (min-width: 640px) {
    .hero-section {
        padding: var(--space-20) var(--space-8);
    }
    
    .hero-headline {
        font-size: var(--font-size-5xl);
    }
    
    .hero-cta-group {
        flex-direction: row;
        justify-content: center;
    }
}

@media (min-width: 1024px) {
    .hero-section {
        padding: var(--space-24) var(--space-8);
    }
    
    .hero-container {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
    }
    
    .hero-content {
        text-align: left;
    }
    
    .hero-subhead {
        margin-left: 0;
        margin-right: 0;
    }
    
    .hero-cta-group {
        justify-content: flex-start;
    }
    
    .hero-visual {
        display: flex;
    }
}

/* ========================================
   BUTTONS - Premium Pill Style
   ======================================== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    background: var(--color-accent);
    color: white;
    text-decoration: none;
    font-size: var(--font-size-base);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background var(--duration-fast), transform var(--duration-fast), box-shadow var(--duration-fast);
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(14, 165, 233, 0.35);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    background: transparent;
    color: var(--color-dark-text);
    text-decoration: none;
    font-size: var(--font-size-base);
    font-weight: 600;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background var(--duration-fast), border-color var(--duration-fast);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-lg {
    padding: var(--space-5) var(--space-10);
    font-size: var(--font-size-lg);
}

/* ========================================
   ABOUT / VALUE SECTION
   ======================================== */
.about-section {
    padding: var(--space-20) var(--space-6);
    background: var(--color-surface);
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.section-title {
    text-align: center;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin: 0 0 var(--space-12) 0;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.value-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

.value-card {
    background: var(--color-surface-alt);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    text-align: center;
    border: 1px solid var(--color-border-light);
    transition: transform var(--duration-slow) var(--ease-spring), box-shadow var(--duration-slow);
}

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

.value-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
    color: var(--color-accent);
    box-shadow: var(--shadow-sm);
    transition: transform var(--duration-fast), background var(--duration-fast);
}

.value-card:hover .value-icon {
    transform: scale(1.05);
    background: var(--color-accent);
    color: white;
}

.value-card h3 {
    margin: 0 0 var(--space-3) 0;
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
}

.value-card p {
    margin: 0;
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

@media (min-width: 768px) {
    .about-section {
        padding: var(--space-24) var(--space-8);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .value-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-8);
    }
}

/* ========================================
   HOW IT WORKS - Stepper Cards
   ======================================== */
.how-it-works-section {
    padding: var(--space-20) var(--space-6);
    background: var(--color-bg);
}

.steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    margin-bottom: var(--space-12);
    position: relative;
}

/* Connector line between steps */
@media (min-width: 768px) {
    .steps-grid::before {
        content: '';
        position: absolute;
        top: 50%;
        left: calc(16.67% + 24px);
        right: calc(16.67% + 24px);
        height: 2px;
        background: linear-gradient(90deg, var(--color-accent), var(--color-border), var(--color-accent));
        z-index: 0;
    }
}

.step-card {
    position: relative;
    background: var(--color-surface);
    padding: var(--space-10) var(--space-6);
    border-radius: var(--radius-xl);
    text-align: center;
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
    z-index: 1;
    transition: transform var(--duration-slow) var(--ease-spring), box-shadow var(--duration-slow);
}

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

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-accent) 0%, #38bdf8 100%);
    color: white;
    font-size: var(--font-size-xl);
    font-weight: 700;
    border-radius: 50%;
    margin-bottom: var(--space-6);
    box-shadow: 0 4px 14px rgba(14, 165, 233, 0.4);
    transition: transform var(--duration-fast), box-shadow var(--duration-fast);
}

.step-card:hover .step-number {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.5);
}

.step-card h3 {
    margin: 0 0 var(--space-3) 0;
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
}

.step-card p {
    margin: 0;
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

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

@media (min-width: 768px) {
    .how-it-works-section {
        padding: var(--space-24) var(--space-8);
    }
    
    .steps-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-8);
    }
}

/* ========================================
   APP SECTIONS (LOOKBOOK & GENERATOR)
   ======================================== */
.mug-lookbook-app {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    position: relative;
    background: var(--color-surface);
}

.app-section {
    padding: var(--space-12) 0;
}

.section-intro {
    text-align: center;
    padding: 0 var(--space-6) var(--space-8);
    max-width: 700px;
    margin: 0 auto;
}

.section-intro .section-title {
    margin-bottom: var(--space-4);
}

.section-subtitle {
    margin: 0;
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.generator-section {
    background: var(--color-bg);
    padding: var(--space-12) 0 0;
}

/* Generator Layout */
.try-on-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

@media (min-width: 768px) {
    .try-on-wrapper {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-10);
        padding: 0 var(--space-8);
    }
}

.try-on-col {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.try-on-heading {
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* Upload Area */
.upload-area {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    min-height: 220px;
    padding: var(--space-8);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-xl);
    background: var(--color-surface);
    cursor: pointer;
    transition: all var(--duration-fast);
}

.upload-area:hover {
    border-color: var(--color-accent);
    background: var(--color-accent-light);
}

.upload-area.has-image {
    border-style: solid;
    border-color: var(--color-accent);
}

.upload-area input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

#upload-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    text-align: center;
}

#upload-placeholder .upload-icon {
    width: 48px;
    height: 48px;
    color: var(--color-text-muted);
}

#upload-placeholder p {
    margin: 0;
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
}

#upload-placeholder p strong {
    color: var(--color-accent);
}

#upload-placeholder small {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

#selfie-preview {
    display: none;
    max-width: 100%;
    max-height: 280px;
    border-radius: var(--radius-lg);
    object-fit: contain;
}

#selfie-preview.visible {
    display: block;
}

/* Form Elements */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
}

/* Toggle Buttons (Yes/No) */
.toggle-group {
    display: flex;
    gap: var(--space-2);
}

.toggle-btn {
    flex: 1;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-sm);
    font-weight: 600;
    font-family: var(--font-stack);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--duration-fast);
}

.toggle-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-text);
}

.toggle-btn.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: white;
}

/* Generate Button */
.btn-generate {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4);
    background: linear-gradient(135deg, var(--color-accent) 0%, #38bdf8 100%);
    color: white;
    font-size: var(--font-size-lg);
    font-weight: 700;
    font-family: var(--font-stack);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: transform var(--duration-fast), box-shadow var(--duration-fast), opacity var(--duration-fast);
    margin-top: var(--space-4);
}

.btn-generate .btn-icon {
    width: 18px;
    height: 18px;
}

.btn-generate:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(14, 165, 233, 0.4);
}

.btn-generate:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-generate.loading {
    animation: pulse 1.5s ease-in-out infinite;
}

/* Result Column */
.result-column {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    border: 1px solid var(--color-border-light);
}

/* Result Wrapper */
.result-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 280px;
    background: var(--color-surface-alt);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

/* Result Placeholder */
.result-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    padding: var(--space-8);
    text-align: center;
}

.result-placeholder-icon {
    color: var(--color-text-muted);
}

.result-placeholder-text {
    margin: 0;
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    max-width: 240px;
}

/* Loading Indicator */
.loading-indicator {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-8);
}

.loading-indicator.visible {
    display: flex;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-text {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
}

/* Result Image */
#result-image {
    display: none;
    width: 100%;
    max-height: 400px;
    object-fit: contain;
}

#result-image.visible {
    display: block;
}

/* Error Message */
.error-message {
    display: none;
    padding: var(--space-4);
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--radius-md);
    color: #dc2626;
    font-size: var(--font-size-sm);
    text-align: center;
    margin: var(--space-4);
}

.error-message.visible {
    display: block;
}

/* Result Actions */
.result-actions {
    display: none;
    gap: var(--space-3);
    margin-top: var(--space-4);
}

.result-actions.visible {
    display: flex;
}

.result-btn {
    flex: 1;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-sm);
    font-weight: 600;
    font-family: var(--font-stack);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--duration-fast);
    text-decoration: none;
    text-align: center;
}

.result-btn-secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.result-btn-secondary:hover {
    background: var(--color-surface-alt);
}

.result-btn-primary {
    background: var(--color-accent);
    color: white;
    border: none;
}

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

/* Barbetology Section */
.barbetology-section {
    margin-top: var(--space-16);
    padding: var(--space-12) var(--space-6);
    background: var(--color-surface);
    border-top: 1px solid var(--color-border-light);
}

@media (min-width: 768px) {
    .barbetology-section {
        margin-top: var(--space-20);
        padding: var(--space-16) var(--space-8);
    }
}

.barbetology-content {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .barbetology-content {
        flex-direction: row;
        align-items: flex-start;
        gap: var(--space-10);
    }
}

.barbetology-brand {
    flex-shrink: 0;
    text-align: center;
}

@media (min-width: 768px) {
    .barbetology-brand {
        text-align: left;
    }
}

.barbetology-logo {
    width: 120px;
    height: auto;
    margin-bottom: var(--space-4);
}

.barbetology-heading {
    margin: 0;
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
}

.barbetology-info {
    flex: 1;
}

.barbetology-tagline {
    margin: 0 0 var(--space-4) 0;
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.barbetology-features {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-4) 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.barbetology-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.barbetology-features li svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--color-accent);
}

.barbetology-cta-text {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-style: italic;
}

.barbetology-accent {
    display: none;
}

/* Legacy Generate Button in Layout (deprecated) */
.try-on-actions {
    margin-top: var(--space-4);
}

.try-on-actions .generate-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4);
    background: linear-gradient(135deg, var(--color-accent) 0%, #38bdf8 100%);
    color: white;
    font-size: var(--font-size-lg);
    font-weight: 700;
    font-family: var(--font-stack);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: transform var(--duration-fast), box-shadow var(--duration-fast), opacity var(--duration-fast);
}

.try-on-actions .generate-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(14, 165, 233, 0.4);
}

.try-on-actions .generate-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Result Area */
.result-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.result-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    min-height: 280px;
    padding: var(--space-8);
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    text-align: center;
}

.result-placeholder-icon {
    width: 64px;
    height: 64px;
    color: var(--color-text-muted);
}

.result-placeholder-text {
    margin: 0;
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
}

#result-image {
    display: none;
    width: 100%;
    max-height: 400px;
    object-fit: contain;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

#result-image.visible {
    display: block;
}

/* Loading State */
#loading-indicator {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-8);
}

#loading-indicator.visible {
    display: flex;
}

#loading-indicator .loading-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

#loading-indicator .loading-text {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
}

/* Result Actions */
.result-actions {
    display: none;
    gap: var(--space-3);
}

.result-actions.visible {
    display: flex;
}

.result-actions .result-btn {
    flex: 1;
    padding: var(--space-3);
    font-size: var(--font-size-sm);
    font-weight: 600;
    font-family: var(--font-stack);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--duration-fast);
    text-decoration: none;
    text-align: center;
}

.result-actions .result-btn-secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.result-actions .result-btn-secondary:hover {
    background: var(--color-surface-alt);
}

.result-actions .result-btn-primary {
    background: var(--color-accent);
    color: white;
    border: none;
}

.result-actions .result-btn-primary:hover {
    background: var(--color-accent-hover);
}

/* ========================================
   EXPLORE / HUB SECTION
   ======================================== */
.explore-section {
    padding: var(--space-20) var(--space-6);
    background: var(--color-surface);
}

.explore-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

.explore-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-6);
    background: var(--color-surface-alt);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    text-decoration: none;
    color: inherit;
    transition: transform var(--duration-slow) var(--ease-spring), box-shadow var(--duration-slow), border-color var(--duration-fast);
}

.explore-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent-light);
}

.explore-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    background: var(--color-surface);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
    color: var(--color-accent);
    box-shadow: var(--shadow-sm);
    transition: background var(--duration-fast), color var(--duration-fast), transform var(--duration-fast);
}

.explore-card:hover .explore-icon {
    background: var(--color-accent);
    color: white;
    transform: scale(1.05);
}

.explore-card h3 {
    margin: 0 0 var(--space-2) 0;
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-text);
}

.explore-card p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

@media (min-width: 640px) {
    .explore-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-5);
    }
}

@media (min-width: 1024px) {
    .explore-section {
        padding: var(--space-24) var(--space-8);
    }
    
    .explore-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-6);
    }
}

/* ========================================
   SITE FOOTER
   ======================================== */
.site-footer {
    background: var(--color-dark);
    color: var(--color-dark-text);
    padding: var(--space-16) var(--space-6) var(--space-8);
}

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

.footer-brand {
    margin-bottom: var(--space-8);
}

.footer-logo {
    font-size: var(--font-size-xl);
    font-weight: 800;
    display: block;
    margin-bottom: var(--space-2);
    letter-spacing: -0.02em;
}

.footer-tagline {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-dark-muted);
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-6);
    margin-bottom: var(--space-8);
}

.footer-nav a {
    color: var(--color-dark-muted);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--duration-fast);
}

.footer-nav a:hover {
    color: var(--color-dark-text);
}

.footer-bottom {
    padding-top: var(--space-6);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-disclaimer {
    margin: 0 0 var(--space-3) 0;
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.4);
    line-height: 1.6;
}

.footer-copyright {
    margin: 0;
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.4);
}

@media (min-width: 768px) {
    .site-footer {
        padding: var(--space-20) var(--space-8) var(--space-8);
    }
    
    .footer-container {
        display: grid;
        grid-template-columns: 1fr 2fr;
        gap: var(--space-8);
    }
    
    .footer-nav {
        justify-self: end;
        margin-bottom: 0;
    }
    
    .footer-bottom {
        grid-column: 1 / -1;
    }
}

/* ========================================
   FILTER BAR - Premium Styling
   ======================================== */
.filter-bar {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-6);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-xs);
}

@media (min-width: 768px) {
    .filter-bar {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        padding: var(--space-4) var(--space-6);
    }
}

.filter-bar-left {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    flex: 1;
}

@media (min-width: 640px) {
    .filter-bar-left {
        flex-direction: row;
        align-items: center;
        gap: var(--space-6);
    }
}

.filter-group {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.filter-group-label {
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-text-muted);
    letter-spacing: 0.08em;
    white-space: nowrap;
}

.filter-divider {
    display: none;
    width: 1px;
    height: 24px;
    background: var(--color-border);
}

@media (min-width: 640px) {
    .filter-divider {
        display: block;
    }
}

.filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.chip {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration-fast);
    user-select: none;
}

.chip:hover {
    border-color: var(--color-accent);
    background: var(--color-accent-light);
}

.chip.active {
    background: var(--color-text);
    color: white;
    border-color: var(--color-text);
}

/* Search */
.filter-bar-right {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    position: relative;
}

.search-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    background: var(--color-surface);
    cursor: pointer;
    transition: all var(--duration-fast);
    color: var(--color-text-secondary);
}

.search-toggle-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    box-shadow: var(--shadow-glow);
}

.search-toggle-btn.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: white;
}

.search-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    max-width: 0;
    overflow: hidden;
    opacity: 0;
    transition: all var(--duration-slow) var(--ease-out);
}

.search-wrapper.open {
    max-width: 300px;
    opacity: 1;
}

.search-wrapper .search-input {
    width: 220px;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-family: var(--font-stack);
    transition: all var(--duration-fast);
}

.search-wrapper .search-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-light);
}

.search-close-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 50%;
    background: var(--color-surface-alt);
    cursor: pointer;
    color: var(--color-text-secondary);
    transition: all var(--duration-fast);
}

.search-close-btn:hover {
    background: var(--color-border);
    color: var(--color-text);
}

@media (max-width: 767px) {
    .search-wrapper.open {
        max-width: 100%;
    }
    .search-wrapper .search-input {
        width: 100%;
    }
    .filter-bar-right {
        flex-wrap: wrap;
    }
}

/* ========================================
   CARD GRID - Premium Lookbook Cards
   ======================================== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
    padding: var(--space-4) var(--space-6) var(--space-10);
}

@media (min-width: 640px) {
    .card-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-5);
    }
}

@media (min-width: 1024px) {
    .card-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: var(--space-6);
        padding: var(--space-6) var(--space-8) var(--space-12);
    }
}

.style-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: transform var(--duration-slow) var(--ease-spring), box-shadow var(--duration-slow);
    border: 1px solid var(--color-border-light);
}

.style-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-2xl);
}

.style-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.6) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--duration-slow);
}

.style-card:hover::after {
    opacity: 1;
}

.card-image {
    position: relative;
    width: 100%;
    aspect-ratio: 5/6;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slower);
}

.style-card:hover .card-image img {
    transform: scale(1.08);
}

.card-tag {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    padding: var(--space-1) var(--space-3);
    background: var(--color-text);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    z-index: 2;
}

.card-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-4);
    z-index: 2;
    transform: translateY(8px);
    opacity: 0;
    transition: transform var(--duration-slow), opacity var(--duration-slow);
}

.style-card:hover .card-info {
    transform: translateY(0);
    opacity: 1;
}

.card-name {
    margin: 0 0 var(--space-1) 0;
    font-size: var(--font-size-base);
    font-weight: 700;
    color: white;
}

.card-subtitle {
    margin: 0;
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.75);
}

/* Empty state */
.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-16) var(--space-6);
    color: var(--color-text-secondary);
}

.no-results p {
    margin: 0 0 var(--space-4);
    font-size: var(--font-size-lg);
}

.no-results button {
    padding: var(--space-3) var(--space-6);
    background: var(--color-accent);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: background var(--duration-fast);
}

.no-results button:hover {
    background: var(--color-accent-hover);
}

/* ========================================
   MODAL - Premium Slide-Out
   ======================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--duration-slow), visibility var(--duration-slow);
}

.modal-overlay[aria-hidden="false"] {
    opacity: 1;
    visibility: visible;
}

.modal-container,
.modal-panel {
    width: 100%;
    max-width: 480px;
    height: 100%;
    background: #ffffff;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--duration-slow) var(--ease-out);
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.2);
}

.modal-overlay[aria-hidden="false"] .modal-container,
.modal-overlay[aria-hidden="false"] .modal-panel {
    transform: translateX(0);
}

.modal-header {
    position: sticky;
    top: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) var(--space-6);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border-light);
    z-index: 10;
}

.modal-title {
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: 700;
}

.modal-close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface-alt);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    color: var(--color-text-secondary);
    transition: background var(--duration-fast), color var(--duration-fast);
}

.modal-close:hover {
    background: var(--color-border);
    color: var(--color-text);
}

.modal-image {
    width: 100%;
    aspect-ratio: 5/6;
    object-fit: cover;
}

.modal-gallery {
    background: var(--color-surface-alt);
}

.gallery-main {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 var(--space-12);
    overflow: visible;
}

.gallery-image-container {
    width: 100%;
    aspect-ratio: 3/4;
    overflow: hidden;
    background: var(--color-surface-alt);
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity var(--duration-normal);
}

.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: white;
    box-shadow: var(--shadow-lg);
    transition: all var(--duration-fast);
    z-index: 10;
}

.gallery-nav:hover {
    background: white;
    box-shadow: var(--shadow-lg);
    transform: translateY(-50%) scale(1.1);
}

.gallery-prev {
    left: var(--space-2);
}

.gallery-next {
    right: var(--space-2);
}

.gallery-nav.hidden {
    display: none;
}

.gallery-thumbnails {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3);
    background: var(--color-surface);
}

.gallery-thumb {
    width: 60px;
    height: 80px;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--duration-fast);
    opacity: 0.6;
}

.gallery-thumb:hover {
    opacity: 0.9;
}

.gallery-thumb.active {
    border-color: var(--color-accent);
    opacity: 1;
}

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

.gallery-thumb-label {
    font-size: 9px;
    text-align: center;
    padding: 2px 0;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
}

.modal-content {
    padding: var(--space-6);
}

.modal-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.modal-tag {
    padding: var(--space-1) var(--space-3);
    background: var(--color-accent-light);
    color: var(--color-accent);
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.modal-description {
    margin: 0 0 var(--space-6);
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.modal-section {
    margin-bottom: var(--space-6);
}

.modal-section h4 {
    margin: 0 0 var(--space-2) 0;
    font-size: var(--font-size-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
}

.modal-section p,
.modal-section ul {
    margin: 0;
    font-size: var(--font-size-base);
    color: var(--color-text);
    line-height: 1.7;
}

.modal-section ul {
    padding-left: var(--space-6);
}

.modal-section li {
    margin-bottom: var(--space-2);
}

.modal-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border-light);
}

.modal-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--duration-fast);
}

.modal-btn-primary {
    background: var(--color-accent);
    color: white;
    border: none;
}

.modal-btn-primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.modal-btn-secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.modal-btn-secondary:hover {
    background: var(--color-surface-alt);
    border-color: var(--color-text-secondary);
}

/* ========================================
   GENERATOR SECTION - Premium Container
   ======================================== */
.generator-container {
    padding: 0 var(--space-6) var(--space-12);
}

.generator-card {
    max-width: 600px;
    margin: 0 auto;
    background: var(--color-surface);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid var(--color-border-light);
}

.generator-header {
    padding: var(--space-6);
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-lighter) 100%);
    color: var(--color-dark-text);
    text-align: center;
}

.generator-header h3 {
    margin: 0 0 var(--space-2) 0;
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.generator-header p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-dark-muted);
}

.upload-section {
    padding: var(--space-6);
    border-bottom: 1px solid var(--color-border-light);
}

.upload-label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
}

.upload-zone {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    min-height: 200px;
    padding: var(--space-8);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-xl);
    background: var(--color-surface-alt);
    cursor: pointer;
    transition: all var(--duration-fast);
}

.upload-zone:hover {
    border-color: var(--color-accent);
    background: var(--color-accent-light);
}

.upload-zone.has-image {
    border-style: solid;
    border-color: var(--color-accent);
}

.upload-icon {
    width: 48px;
    height: 48px;
    color: var(--color-text-muted);
}

.upload-text {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    text-align: center;
}

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

.upload-subtext {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.preview-image {
    width: 100%;
    max-width: 300px;
    border-radius: var(--radius-lg);
}

.upload-zone input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

/* Style Selection */
.style-options {
    padding: var(--space-6);
    border-bottom: 1px solid var(--color-border-light);
}

.option-group {
    margin-bottom: var(--space-5);
}

.option-group:last-child {
    margin-bottom: 0;
}

.option-label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
}

.mug-select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-stack);
    color: var(--color-text);
    cursor: pointer;
    transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
}

.mug-select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-light);
}

#custom-prompt-group {
    margin-top: var(--space-3);
}

.mug-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-stack);
    color: var(--color-text);
    resize: vertical;
    min-height: 80px;
    transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}

.mug-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-light);
}

/* Facial Hair Toggle */
.facial-hair-section {
    padding: var(--space-6);
    border-bottom: 1px solid var(--color-border-light);
}

.toggle-group {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
}

.toggle-label {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
}

.toggle-switch {
    position: relative;
    width: 52px;
    height: 28px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--color-border);
    border-radius: var(--radius-full);
    transition: background var(--duration-fast);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 22px;
    height: 22px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: transform var(--duration-fast);
    box-shadow: var(--shadow-sm);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--color-accent);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(24px);
}

.beard-options {
    display: none;
}

.beard-options.visible {
    display: block;
    animation: fadeInUp 0.3s var(--ease-out);
}

/* Generate Button */
.generate-section {
    padding: var(--space-6);
}

.generate-btn {
    width: 100%;
    padding: var(--space-4);
    background: linear-gradient(135deg, var(--color-accent) 0%, #38bdf8 100%);
    color: white;
    font-size: var(--font-size-lg);
    font-weight: 700;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: transform var(--duration-fast), box-shadow var(--duration-fast), opacity var(--duration-fast);
}

.generate-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(14, 165, 233, 0.4);
}

.generate-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.generate-btn.loading {
    animation: pulse 1.5s ease-in-out infinite;
}

/* Result Section */
.result-section {
    padding: var(--space-6);
    border-top: 1px solid var(--color-border-light);
    display: none;
}

.result-section.visible {
    display: block;
    animation: fadeInUp 0.4s var(--ease-out);
}

.result-image {
    width: 100%;
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-4);
    box-shadow: var(--shadow-lg);
}

.result-actions {
    display: flex;
    gap: var(--space-3);
}

.result-btn {
    flex: 1;
    padding: var(--space-3);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--duration-fast);
}

.result-btn-secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.result-btn-secondary:hover {
    background: var(--color-surface-alt);
}

.result-btn-primary {
    background: var(--color-accent);
    color: white;
    border: none;
}

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

/* Loading Indicator */
.loading-indicator {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-8);
}

.loading-indicator.visible {
    display: flex;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-text {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
}

/* Error State */
.error-message {
    display: none;
    padding: var(--space-4);
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--radius-md);
    color: #dc2626;
    font-size: var(--font-size-sm);
}

.error-message.visible {
    display: block;
    animation: fadeIn 0.3s var(--ease-out);
}

/* ========================================
   LOOKBOOK GRID & CARDS (Primary)
   ======================================== */
.cuts-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-5);
    padding: var(--space-6);
    max-width: 1200px;
    margin: 0 auto;
}

@media (min-width: 640px) {
    .cuts-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-6);
        padding: var(--space-6) var(--space-8);
    }
}

@media (min-width: 1024px) {
    .cuts-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-6);
        padding: var(--space-8);
    }
}

@media (min-width: 1280px) {
    .cuts-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.cut-card {
    display: flex;
    flex-direction: column;
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: transform var(--duration-slow) var(--ease-spring), box-shadow var(--duration-slow), border-color var(--duration-fast);
}

.cut-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent-light);
}

.cut-card:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.card-img-placeholder {
    position: relative;
    width: 100%;
    aspect-ratio: 4/5;
    max-height: 280px;
    background: var(--color-surface-alt);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (max-width: 639px) {
    .card-img-placeholder {
        max-height: 240px;
    }
}

.card-img-placeholder .placeholder-text {
    position: absolute;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    z-index: 1;
}

.card-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    z-index: 2;
    transition: transform var(--duration-slower) var(--ease-out);
}

.cut-card:hover .card-img {
    transform: scale(1.05);
}

.card-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: var(--space-5);
    gap: var(--space-3);
}

.card-title {
    margin: 0;
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.3;
}

.card-desc {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.5;
    flex: 1;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: auto;
}

.card-tag {
    padding: var(--space-1) var(--space-3);
    background: var(--color-surface-alt);
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-16) var(--space-6);
}

.empty-state h3 {
    margin: 0 0 var(--space-3) 0;
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
}

.empty-state p {
    margin: 0;
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
}

/* Modal Image Adjustments */
#modal-image {
    position: relative;
    width: 100%;
    max-height: 60vh;
    aspect-ratio: 5/6;
    background: var(--color-surface-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

#modal-image span {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.modal-hero-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

@media (max-width: 639px) {
    #modal-image {
        max-height: 50vh;
    }
}

/* ========================================
   LEGACY HERO (for compatibility)
   ======================================== */
.mug-hero {
    display: none;
}

.hero-tabs {
    display: none;
}

/* ========================================
   RESPONSIVE UTILITIES
   ======================================== */
@media (max-width: 639px) {
    .hide-mobile {
        display: none !important;
    }
}

@media (min-width: 640px) {
    .hide-tablet {
        display: none !important;
    }
}

@media (min-width: 1024px) {
    .hide-desktop {
        display: none !important;
    }
}

/* ========================================
   TRENDING STYLES SECTION
   ======================================== */
.trending-section {
    padding: var(--space-16) 0;
    background: var(--color-surface);
}

.trending-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
    text-align: center;
}

.trending-header-text {
    max-width: 600px;
}

.trending-header-text .section-title {
    margin-bottom: var(--space-3);
}

.trending-header-text .section-subtitle {
    margin: 0;
    color: var(--color-text-secondary);
}

.trending-pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--color-accent-light);
    color: var(--color-accent);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.trending-carousel-wrapper {
    position: relative;
    overflow: visible;
    padding: 0 var(--space-8);
    margin: 0 calc(-1 * var(--space-8));
}

.trending-carousel {
    display: flex;
    gap: var(--space-4);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: var(--space-2) 0;
}

.trending-carousel::-webkit-scrollbar {
    display: none;
}

.trending-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: all var(--duration-fast) var(--ease-out);
    color: var(--color-text);
}

.trending-arrow:hover {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
    box-shadow: var(--shadow-lg);
}

.trending-arrow-left {
    left: 0;
}

.trending-arrow-right {
    right: 0;
}

.trending-card {
    flex: 0 0 240px;
    scroll-snap-align: start;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-light);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
}

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

.trending-card-image {
    width: 100%;
    aspect-ratio: 4/5;
    background: var(--color-surface-alt);
    overflow: hidden;
}

.trending-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-out);
}

.trending-card:hover .trending-card-image img {
    transform: scale(1.05);
}

.trending-card-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-weight: 500;
    background: linear-gradient(135deg, var(--color-surface-alt) 0%, var(--color-border-light) 100%);
}

.trending-card-content {
    padding: var(--space-4);
}

.trending-card-badges {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
    flex-wrap: wrap;
}

.trending-badge {
    display: inline-block;
    padding: 2px var(--space-2);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.5px;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

.badge-trending {
    background: var(--color-accent-light);
    color: var(--color-accent);
}

.badge-viral {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
}

.badge-rising {
    background: rgba(34, 197, 94, 0.1);
    color: #16a34a;
}

.trending-card-title {
    margin: 0 0 var(--space-1) 0;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.3;
}

.trending-card-desc {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

@media (max-width: 768px) {
    .trending-section {
        padding: var(--space-12) 0;
    }
    
    .trending-header {
        gap: var(--space-3);
    }
    
    .trending-pill {
        align-self: center;
    }
    
    .trending-arrow {
        display: none;
    }
    
    .trending-card {
        flex: 0 0 180px;
    }
    
    .trending-card-content {
        padding: var(--space-3);
    }
    
    .trending-card-title {
        font-size: var(--font-size-sm);
    }
    
    .trending-card-desc {
        font-size: var(--font-size-xs);
    }
}

@media (min-width: 1200px) {
    .trending-card {
        flex: 0 0 260px;
    }
}

/* ========================================
   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;
    }
}

:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}