/* ============================================
   AURA ESTUDIO - Sistema de Pedidos Web
   Paleta: Blanco, Negro, Grises + Dorado (acento)
   ============================================ */

/* Variables */
:root {
    --white: #ffffff;
    --black: #0a0a0a;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
    
    --gold: #c9a227;
    --gold-light: #dbb835;
    --gold-dark: #a68619;
    
    /* Dark theme colors */
    --dark-bg: #0f0f0f;
    --dark-card: #1a1a1a;
    --dark-hover: #242424;
    --dark-accent: linear-gradient(135deg, #9d4edd 0%, #c77dff 100%);
    --dark-text: #ffffff;
    --dark-muted: #bdbdbd;
    
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Montserrat', 'Inter', sans-serif;
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    --border-radius-pill: 40px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--white);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--black);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.125rem; }

p {
    color: var(--gray-600);
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--gold);
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

.delay-1 { animation-delay: 0.1s; opacity: 0; }
.delay-2 { animation-delay: 0.2s; opacity: 0; }
.delay-3 { animation-delay: 0.3s; opacity: 0; }

/* ============================================
   PANTALLA 1 - HERO OSCURO (Landing)
   ============================================ */
.screen-dark {
    background: var(--dark-bg);
    padding: 0;
    margin: 0;
}

.hero-dark {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 0;
}

.hero-header {
    padding: 2rem;
    text-align: center;
}

.hero-logo-dark {
    width: 120px;
    height: auto;
    filter: brightness(0) invert(1);
}

.hero-content-dark {
    text-align: center;
    padding: 2rem;
    flex-shrink: 0;
}

.hero-title-dark {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 300;
    color: var(--dark-text);
    margin-bottom: 1.5rem;
    line-height: 1.3;
    letter-spacing: -0.5px;
}

.hero-title-dark span {
    display: block;
    font-style: italic;
    opacity: 0.9;
}

.hero-subtitle-dark {
    font-size: 1rem;
    color: var(--dark-muted);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Progress Section */
.progress-section {
    text-align: center;
    padding: 1.5rem 2rem;
}

.progress-label {
    font-size: 0.75rem;
    letter-spacing: 2px;
    color: var(--dark-muted);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
}

.progress-bar-dark {
    width: 100%;
    max-width: 400px;
    height: 4px;
    background: var(--dark-card);
    border-radius: 10px;
    margin: 0 auto;
    overflow: hidden;
}

.progress-fill-dark {
    height: 100%;
    background: var(--dark-accent);
    border-radius: 10px;
    transition: width 0.5s ease;
}

/* Services Section Dark */
.services-section-dark {
    flex: 1;
    padding: 2rem;
    text-align: center;
}

.services-section-dark h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark-text);
    margin-bottom: 0.75rem;
}

.services-subtitle-dark {
    font-size: 0.95rem;
    color: var(--dark-muted);
    margin-bottom: 2.5rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.services-grid-dark {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto 2.5rem;
}

.service-card-dark {
    background: var(--dark-card);
    padding: 2rem 1.5rem;
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    position: relative;
    border: 2px solid transparent;
}

.service-card-dark:hover {
    background: var(--dark-hover);
    transform: translateY(-6px);
}

.service-card-dark.selected {
    border-color: #9d4edd;
    background: rgba(157, 78, 221, 0.1);
}

.service-card-dark.selected .card-check {
    opacity: 1;
    transform: scale(1);
}

.card-icon-dark {
    font-size: 2rem;
    color: var(--dark-muted);
    margin-bottom: 1rem;
    transition: var(--transition);
}

.service-card-dark:hover .card-icon-dark,
.service-card-dark.selected .card-icon-dark {
    color: #c77dff;
}

.service-card-dark h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark-text);
    margin-bottom: 0.5rem;
}

.service-card-dark p {
    font-size: 0.85rem;
    color: var(--dark-muted);
    line-height: 1.5;
}

.card-check {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 24px;
    height: 24px;
    background: var(--dark-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.7rem;
    opacity: 0;
    transform: scale(0);
    transition: var(--transition);
}

/* Actions Dark */
.actions-dark {
    display: flex;
    justify-content: center;
    gap: 1rem;
    padding: 1rem 0;
}

.btn-primary-dark {
    background: var(--dark-accent);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: var(--border-radius-pill);
    border: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary-dark:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(157, 78, 221, 0.3);
}

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

.btn-secondary-dark {
    background: transparent;
    color: var(--dark-muted);
    padding: 1rem 2rem;
    border-radius: var(--border-radius-pill);
    border: 1px solid var(--dark-card);
    cursor: pointer;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

.btn-secondary-dark:hover {
    border-color: var(--dark-muted);
    color: var(--dark-text);
}

/* Footer Dark */
.footer-dark {
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--dark-card);
    margin-top: auto;
}

.footer-content-dark p {
    font-size: 0.85rem;
    color: var(--dark-muted);
    margin-bottom: 0.25rem;
}

.footer-content-dark p strong {
    color: var(--dark-text);
}

.footer-content-dark a {
    color: var(--dark-muted);
}

.footer-content-dark a:hover {
    color: #c77dff;
}

.footer-content-dark .copyright {
    margin-top: 1rem;
    font-size: 0.75rem;
    opacity: 0.6;
}

/* Header */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    padding: 1rem 2rem;
}

/* Header interno para pantallas 2-7 */
.main-header-inner {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 1rem 2rem;
    margin-bottom: 2rem;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo {
    height: 40px;
    width: auto;
}

.progress-indicator {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.progress-indicator .step {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--gray-100);
    color: var(--gray-400);
    border: 2px solid var(--gray-200);
    transition: var(--transition);
}

.progress-indicator .step.active {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}

.progress-indicator .step.completed {
    background: var(--gold);
    color: var(--white);
    border-color: var(--gold);
}

/* Main Container */
.main-container {
    min-height: 100vh;
}

/* Screens */
.screen {
    display: none;
    min-height: 100vh;
    animation: fadeIn 0.4s ease;
}

.screen:not(.screen-dark) {
    padding: 0 2rem 3rem;
}

.screen.active {
    display: block;
}

.screen-content {
    max-width: 900px;
    margin: 0 auto;
}

/* Back Button */
.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: none;
    border: none;
    color: var(--gray-500);
    font-size: 0.9rem;
    cursor: pointer;
    padding: 0.5rem 0;
    margin-bottom: 2rem;
    transition: var(--transition);
}

.back-btn:hover {
    color: var(--black);
}

.back-btn i {
    font-size: 0.8rem;
}

/* Screen Titles */
.screen-title {
    margin-bottom: 0.75rem;
    text-align: center;
}

.screen-subtitle {
    text-align: center;
    color: var(--gray-500);
    margin-bottom: 2.5rem;
    font-size: 1.1rem;
}

/* ============================================
   PANTALLA 1 - HERO
   ============================================ */
.hero-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 150px);
    text-align: center;
    padding: 2rem;
}

.hero-logo-container {
    margin-bottom: 2rem;
}

.hero-logo {
    width: 150px;
    height: auto;
    opacity: 0.9;
}

.hero-title {
    margin-bottom: 1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-500);
    max-width: 600px;
    margin-bottom: 3rem;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1000px;
    width: 100%;
    margin-bottom: 2rem;
}

.services-grid.four-cols {
    grid-template-columns: repeat(4, 1fr);
    max-width: 1200px;
}

.service-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

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

.service-card:hover .service-icon {
    color: var(--gold);
    transform: scale(1.1);
}

.service-card:hover .service-cta {
    color: var(--gold);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--gray-700);
    margin-bottom: 1rem;
    transition: var(--transition);
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.service-card p {
    font-size: 0.95rem;
    color: var(--gray-500);
}

.service-cta {
    display: block;
    margin-top: 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-500);
    transition: var(--transition);
}

/* Microcopy */
.microcopy {
    font-size: 0.9rem;
    color: var(--gray-400);
    font-style: italic;
    margin-top: 1rem;
}

/* ============================================
   PANTALLA 2 - SUBCATEGORÍAS
   ============================================ */
.subcategories-container {
    margin-top: 2rem;
}

.subcategories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.subcategories-grid.two-cols {
    grid-template-columns: repeat(2, 1fr);
    max-width: 700px;
    margin: 0 auto;
}

.subcategory-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
}

.subcategory-card:hover {
    border-color: var(--gold);
    box-shadow: var(--shadow-md);
}

.subcategory-card:hover .subcat-icon {
    color: var(--gold);
}

.subcat-icon {
    font-size: 1.5rem;
    color: var(--gray-600);
    margin-bottom: 0.75rem;
    transition: var(--transition);
}

.subcategory-card h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--black);
}

.subcategory-card p {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.subcategory-card .benefit {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--gold-dark);
    background: rgba(201, 162, 39, 0.1);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-weight: 500;
}

/* Subcategory Card Featured */
.subcategory-card.card-featured {
    border-color: var(--gold);
    background: rgba(201, 162, 39, 0.03);
    position: relative;
}

.subcategory-card.card-featured .subcat-icon {
    color: var(--gold);
}

.featured-badge {
    position: absolute;
    top: -10px;
    right: 1rem;
    background: var(--gold);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    text-transform: uppercase;
}

/* ============================================
   PACKS STYLES
   ============================================ */
.packs-hero {
    text-align: center;
    margin-bottom: 2rem;
}

.packs-hero h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--black);
}

.packs-microcopy {
    font-size: 1rem;
    color: var(--gray-500);
}

.packs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.pack-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    text-align: center;
}

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

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

.pack-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0.35rem 0.75rem;
    border-radius: 50px;
    margin-bottom: 1rem;
}

.pack-badge.gold {
    background: rgba(201, 162, 39, 0.15);
    color: var(--gold-dark);
}

.pack-badge.blue {
    background: rgba(59, 130, 246, 0.15);
    color: #2563eb;
}

.pack-badge.purple {
    background: rgba(139, 92, 246, 0.15);
    color: #7c3aed;
}

.pack-popular {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gold);
    color: var(--white);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.35rem 1rem;
    border-radius: 50px;
    white-space: nowrap;
}

.pack-card h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--black);
}

.pack-price {
    font-size: 0.9rem;
    color: var(--gray-500);
    margin-bottom: 1.25rem;
}

.pack-price span {
    font-size: 2rem;
    font-weight: 700;
    color: var(--black);
}

.pack-features {
    list-style: none;
    text-align: left;
    margin-bottom: 1.5rem;
}

.pack-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.4rem 0;
    font-size: 0.9rem;
    color: var(--gray-600);
}

.pack-features li i {
    color: var(--gold);
    font-size: 0.8rem;
    margin-top: 0.2rem;
}

.pack-cta {
    display: inline-block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-500);
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.pack-card:hover .pack-cta {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}

.packs-footer-text {
    text-align: center;
    font-size: 0.9rem;
    color: var(--gray-500);
}

.packs-footer-text i {
    color: var(--gold);
    margin-right: 0.5rem;
}

/* Pack Price Display in Detail */
.pack-price-display {
    background: linear-gradient(135deg, var(--black) 0%, var(--gray-800) 100%);
    color: var(--white);
    padding: 1.5rem 2rem;
    border-radius: var(--border-radius);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.pack-price-display .price-label {
    font-size: 0.9rem;
    color: var(--gray-300);
}

.pack-price-display .price-amount {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gold);
}

/* ============================================
   PANTALLA 3 - DETALLE DEL SERVICIO
   ============================================ */
.service-detail {
    max-width: 700px;
    margin: 0 auto;
}

.educational-text {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--gray-600);
    margin-bottom: 2rem;
    text-align: center;
}

.scope-section {
    background: var(--gray-50);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
}

.scope-section h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--gray-800);
}

.scope-list {
    list-style: none;
}

.scope-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--gray-600);
}

.scope-list li:last-child {
    border-bottom: none;
}

.scope-list li::before {
    content: '✓';
    color: var(--gold);
    font-weight: 700;
}

/* Print Options */
.print-options {
    margin-top: 2rem;
    padding: 2rem;
    background: var(--gray-50);
    border-radius: var(--border-radius);
}

.print-options h3 {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.print-config-group {
    margin-bottom: 1.5rem;
}

.print-config-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--gray-700);
}

.print-config-group select,
.print-config-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
}

.print-config-group select:focus,
.print-config-group input:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.1);
}

.price-display {
    background: var(--black);
    color: var(--white);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-sm);
    font-size: 1.25rem;
    font-weight: 600;
    text-align: center;
    margin-top: 1rem;
}

.price-display span {
    color: var(--gold);
}

/* Config Row - Para alto x ancho */
.print-config-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.metros-calculados {
    text-align: center;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gold);
    padding: 0.5rem;
    background: rgba(201, 162, 39, 0.1);
    border-radius: var(--border-radius-sm);
    margin-bottom: 1rem;
}

/* Config notes */
.config-note {
    font-size: 0.9rem;
    color: var(--gray-600);
    margin-bottom: 1rem;
}

.config-note.small {
    font-size: 0.8rem;
    color: var(--gray-500);
}

.price-note {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-top: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.price-note i {
    color: var(--gold);
    margin-top: 0.15rem;
}

/* Radio Groups */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.radio-group.horizontal {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.radio-option:hover {
    border-color: var(--gray-400);
}

.radio-option input[type="radio"] {
    width: auto;
    margin: 0;
    accent-color: var(--gold);
}

.radio-option input[type="radio"]:checked + span {
    color: var(--gold);
    font-weight: 500;
}

/* Checkbox option */
.checkbox-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.75rem;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.checkbox-option:hover {
    border-color: var(--gold);
}

.checkbox-option input[type="checkbox"] {
    width: auto;
    accent-color: var(--gold);
}

/* Merchandising Sections */
.merch-section {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-sm);
    padding: 1.25rem;
    margin-bottom: 1rem;
}

.merch-section h4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.merch-section h4 i {
    color: var(--gold);
}

/* ============================================
   PANTALLA 4 - TIEMPOS DE ENTREGA
   ============================================ */
.delivery-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.delivery-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    position: relative;
}

.delivery-card:hover {
    border-color: var(--gray-400);
}

.delivery-card.selected {
    border-color: var(--gold);
    background: rgba(201, 162, 39, 0.03);
}

.delivery-card.selected .delivery-icon {
    color: var(--gold);
}

.delivery-icon {
    font-size: 2rem;
    color: var(--gray-500);
    margin-bottom: 1rem;
    transition: var(--transition);
}

.delivery-card h4 {
    margin-bottom: 0.5rem;
}

.delivery-time {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 0.5rem;
}

.delivery-desc {
    font-size: 0.85rem;
    color: var(--gray-500);
}

.delivery-badge {
    position: absolute;
    top: -10px;
    right: 1rem;
    background: var(--gold);
    color: var(--white);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    text-transform: uppercase;
}

.delivery-badge.urgent {
    background: var(--gray-800);
}

/* ============================================
   PANTALLA 5 - COMPLEMENTOS
   ============================================ */
.complements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.complement-card {
    cursor: pointer;
}

.complement-card input {
    display: none;
}

.complement-content {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-sm);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
}

.complement-content i {
    font-size: 1.25rem;
    color: var(--gray-400);
    transition: var(--transition);
}

.complement-content span {
    font-size: 0.95rem;
    color: var(--gray-700);
}

.complement-card:hover .complement-content {
    border-color: var(--gray-400);
}

.complement-card input:checked + .complement-content {
    border-color: var(--gold);
    background: rgba(201, 162, 39, 0.05);
}

.complement-card input:checked + .complement-content i {
    color: var(--gold);
}

/* ============================================
   PANTALLA 6 - FORMULARIO
   ============================================ */
.project-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--gray-700);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.1);
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-divider {
    height: 1px;
    background: var(--gray-200);
    margin: 2rem 0;
}

.project-form h3 {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

/* File Upload */
.file-upload-area {
    border: 2px dashed var(--gray-300);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.file-upload-area:hover {
    border-color: var(--gold);
    background: rgba(201, 162, 39, 0.02);
}

.file-upload-area i {
    font-size: 2.5rem;
    color: var(--gray-400);
    margin-bottom: 0.75rem;
}

.file-upload-area p {
    font-size: 0.9rem;
    color: var(--gray-500);
}

.file-upload-area input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.file-list {
    margin-top: 1rem;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--gray-50);
    border-radius: var(--border-radius-sm);
    margin-bottom: 0.5rem;
}

.file-item span {
    font-size: 0.9rem;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.file-item .remove-file {
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 0.25rem;
    transition: var(--transition);
}

.file-item .remove-file:hover {
    color: var(--gray-700);
}

/* ============================================
   PANTALLA 7 - RESUMEN
   ============================================ */
.summary-header {
    text-align: center;
    margin-bottom: 2rem;
}

.summary-logo {
    width: 100px;
    margin-bottom: 1rem;
}

.summary-content {
    background: var(--gray-50);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    margin-bottom: 2rem;
}

.summary-section {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
}

.summary-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.summary-section h3 {
    font-size: 0.9rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.summary-section h3 i {
    color: var(--gold);
}

.summary-section p,
.summary-section div {
    color: var(--gray-700);
    font-size: 1rem;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
}

.summary-item .label {
    color: var(--gray-600);
}

.summary-item .value {
    font-weight: 500;
    color: var(--black);
}

.pricing-section {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-top: 1rem;
}

.total-price {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 2px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    font-size: 1.25rem;
    font-weight: 700;
}

.total-price .amount {
    color: var(--gold-dark);
}

/* Summary Actions */
.summary-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.summary-actions .primary-btn,
.summary-actions .secondary-btn {
    flex: 1;
}

/* Tracking Info Card */
.tracking-info-card {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--black) 100%);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    margin-bottom: 2rem;
    color: var(--white);
}

.tracking-header-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.tracking-header-card > i {
    font-size: 1.5rem;
    color: var(--gold);
}

.tracking-header-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.25rem;
}

.order-id-inline {
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.85rem;
    color: var(--gold);
    background: rgba(201, 162, 39, 0.2);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.tracking-link-group {
    display: flex;
    gap: 0.5rem;
}

.tracking-link-group input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--gray-700);
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
    background: rgba(255, 255, 255, 0.05);
    color: var(--gray-200);
}

.tracking-link-group .copy-btn,
.tracking-link-group .open-btn {
    padding: 0.75rem 1rem;
    border: 1px solid var(--gray-700);
    border-radius: var(--border-radius-sm);
    background: rgba(255, 255, 255, 0.05);
    color: var(--gray-300);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.tracking-link-group .copy-btn:hover,
.tracking-link-group .open-btn:hover {
    border-color: var(--gold);
    color: var(--gold);
    background: rgba(201, 162, 39, 0.1);
}

/* Payment Info */
.payment-info {
    background: var(--gray-900);
    color: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

.payment-info > p {
    color: var(--gray-300);
    margin-bottom: 1.5rem;
}

.bank-details {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-sm);
    padding: 1.5rem;
}

.bank-details h4 {
    color: var(--gold);
    margin-bottom: 1rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.bank-details p {
    color: var(--gray-200);
    margin-bottom: 0.5rem;
}

.copyable {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
}

.copyable:hover {
    background: rgba(201, 162, 39, 0.3);
}

/* Studio Contact */
.studio-contact {
    text-align: center;
    padding: 2rem;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
}

.studio-contact h4 {
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.studio-contact p {
    margin-bottom: 0.25rem;
}

.studio-contact a {
    color: var(--gray-600);
}

.studio-contact a:hover {
    color: var(--gold);
}

/* ============================================
   BUTTONS
   ============================================ */
.primary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: var(--black);
    color: var(--white);
    border: none;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    margin-top: 1rem;
}

.primary-btn:hover:not(:disabled) {
    background: var(--gold);
}

.primary-btn:disabled {
    background: var(--gray-300);
    cursor: not-allowed;
}

.secondary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: var(--white);
    color: var(--black);
    border: 1px solid var(--gray-300);
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.secondary-btn:hover {
    border-color: var(--gold);
    color: var(--gold);
}

.whatsapp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: #25D366;
    color: var(--white);
    border: none;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.whatsapp-btn:hover {
    background: #128C7E;
    color: var(--white);
}

.email-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: var(--gray-700);
    color: var(--white);
    border: none;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.email-btn:hover {
    background: var(--gray-800);
    color: var(--white);
}

/* ============================================
   MODAL
   ============================================ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 2rem;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 3rem;
    max-width: 500px;
    text-align: center;
    animation: fadeInUp 0.3s ease;
}

.modal-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.modal-icon.success {
    background: rgba(201, 162, 39, 0.1);
    color: var(--gold);
}

.modal-icon i {
    font-size: 2.5rem;
}

.modal-content h2 {
    margin-bottom: 0.5rem;
}

.modal-content p {
    margin-bottom: 1.5rem;
}

/* Modal Tracking Styles */
.modal-tracking {
    max-width: 480px;
}

.modal-subtitle {
    color: var(--gray-500);
    font-size: 1rem;
    margin-bottom: 1.5rem !important;
}

.modal-order-info {
    margin-bottom: 1.5rem;
}

.order-badge {
    display: inline-block;
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    background: var(--black);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    letter-spacing: 1px;
}

.modal-tracking-box {
    background: var(--gray-50);
    border-radius: var(--border-radius-sm);
    padding: 1.25rem;
    margin-bottom: 1rem;
}

.modal-tracking-box p {
    font-size: 0.9rem;
    color: var(--gray-600);
    margin-bottom: 0.5rem !important;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.modal-tracking-box p i {
    color: var(--gold);
}

.tracking-url {
    display: block;
    font-size: 0.85rem;
    color: var(--gold-dark);
    word-break: break-all;
    font-weight: 500;
}

.tracking-url:hover {
    color: var(--gold);
    text-decoration: underline;
}

.modal-send-info {
    font-size: 0.85rem;
    color: var(--gray-500);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem !important;
}

.modal-send-info i {
    color: var(--gray-400);
}

.new-order-btn {
    margin-top: 1rem;
    width: 100%;
}

.modal-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* ============================================
   TOAST
   ============================================ */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gray-900);
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    z-index: 3000;
    animation: fadeInUp 0.3s ease;
}

.toast.hidden {
    display: none;
}

/* ============================================
   UTILITIES
   ============================================ */
.hidden {
    display: none !important;
}

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

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

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .main-header {
        padding: 0.75rem 1rem;
    }
    
    .main-header-inner {
        padding: 0.75rem 1rem;
    }
    
    .header-logo {
        height: 32px;
    }
    
    .progress-indicator .step {
        width: 26px;
        height: 26px;
        font-size: 0.65rem;
    }
    
    .screen:not(.screen-dark) {
        padding: 0 1rem 2rem;
    }
    
    .hero-logo-dark {
        width: 100px;
    }
    
    .hero-title-dark {
        font-size: 1.75rem;
    }
    
    .services-grid-dark {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .service-card-dark {
        padding: 1.5rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid.four-cols {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .packs-grid {
        grid-template-columns: 1fr;
    }
    
    .subcategories-grid {
        grid-template-columns: 1fr;
    }
    
    .subcategories-grid.two-cols {
        grid-template-columns: 1fr;
    }
    
    .delivery-options {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .print-config-row {
        grid-template-columns: 1fr;
    }
    
    .complements-grid {
        grid-template-columns: 1fr;
    }
    
    .summary-actions {
        flex-direction: column;
    }
    
    .modal-content {
        padding: 2rem;
    }
    
    .radio-group.horizontal {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .hero-title-dark {
        font-size: 1.5rem;
    }
    
    .hero-subtitle-dark {
        font-size: 0.9rem;
    }
    
    .btn-primary-dark {
        padding: 0.875rem 2rem;
        font-size: 0.95rem;
    }
    
    .service-card {
        padding: 1.5rem;
    }
    
    .services-grid.four-cols {
        grid-template-columns: 1fr;
    }
    
    .primary-btn,
    .secondary-btn {
        padding: 0.875rem 1.5rem;
    }
}