/* css/styles.css - VERSIÓN COMPLETA RESPONSIVE */
:root {
    --primary: #0a0f1c;
    --accent: #0d9488;
    --accent-light: #14b8a6;
    --accent-soft: #ccfbf1;
    --gray-50: #f9fafc;
    --gray-100: #f1f4f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #ffffff 0%, var(--gray-50) 100%);
    color: var(--gray-900);
    overflow-x: hidden;
    width: 100%;
}

/* Header scroll effect */
header {
    transition: transform 0.3s ease;
    will-change: transform;
    width: 100%;
}

/* Glass effect */
.glass {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

/* Hero Banner */
.hero-banner {
    position: relative;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 24px;
    margin-top: 2rem;
    width: 100%;
}

.hero-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(13, 148, 136, 0.2) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: 1;
    pointer-events: none;
}

.hero-banner:hover::before {
    opacity: 1;
}

.hero-banner:hover {
    transform: scale(1.02) translateY(-5px);
    box-shadow: 0 30px 40px -20px rgba(13, 148, 136, 0.4);
}

.hero-banner:hover img {
    transform: scale(1.1);
    filter: brightness(1.1) contrast(1.1);
}

.hero-banner img {
    transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
    height: 300px;
    object-fit: cover;
}

@media (min-width: 768px) {
    .hero-banner img {
        height: 400px;
    }
}

@media (min-width: 1024px) {
    .hero-banner img {
        height: 500px;
    }
}

.hero-banner .floating-card {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    border-radius: 16px;
    padding: 1rem;
    box-shadow: 0 20px 30px -10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    z-index: 20;
    width: 90%;
    max-width: 300px;
}

@media (min-width: 1024px) {
    .hero-banner .floating-card {
        left: -20px;
        transform: none;
        width: auto;
        max-width: none;
    }
}

.hero-banner:hover .floating-card {
    transform: translateX(-50%) translateY(-15px) scale(1.05);
}

@media (min-width: 1024px) {
    .hero-banner:hover .floating-card {
        transform: translateY(-15px) scale(1.05);
    }
}

/* Service Options */
.service-option {
    border: 2px solid var(--gray-200);
    border-radius: 24px;
    padding: 1.2rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    background: white;
}

@media (min-width: 768px) {
    .service-option {
        padding: 1.5rem;
    }
}

.service-option:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 20px 30px -10px rgba(13, 148, 136, 0.3);
    background: linear-gradient(135deg, white, var(--accent-soft));
}

.service-option.selected {
    border-color: var(--accent);
    background: linear-gradient(135deg, var(--accent-soft) 0%, white 80%);
    box-shadow: 0 15px 25px -8px rgba(13, 148, 136, 0.4);
    transform: scale(1.02);
}

.service-option.selected::after {
    content: '✓';
    position: absolute;
    top: 0.8rem;
    right: 0.8rem;
    width: 25px;
    height: 25px;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1rem;
    animation: popIn 0.3s ease;
}

@media (min-width: 768px) {
    .service-option.selected::after {
        top: 1rem;
        right: 1rem;
        width: 30px;
        height: 30px;
        font-size: 1.2rem;
    }
}

@keyframes popIn {
    0% { transform: scale(0); }
    80% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.service-icon {
    width: 50px;
    height: 50px;
    background: var(--accent-soft);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

@media (min-width: 768px) {
    .service-icon {
        width: 60px;
        height: 60px;
        border-radius: 18px;
        font-size: 1.8rem;
    }
}

.service-option:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
    background: var(--accent);
    color: white;
}

/* Navigation */
.nav-link {
    position: relative;
    color: var(--gray-500);
    font-weight: 500;
    transition: color 0.2s;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem 0;
    font-size: 0.9rem;
}

@media (min-width: 768px) {
    .nav-link {
        font-size: 0.95rem;
    }
}

.nav-link:hover {
    color: var(--gray-900);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s;
}

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

.nav-link.active {
    color: var(--gray-900);
    font-weight: 600;
}

/* Buttons */
.btn-primary, .btn-accent, .btn-outline {
    padding: 0.8rem 1.5rem;
    font-size: 0.9rem;
}

@media (min-width: 768px) {
    .btn-primary, .btn-accent, .btn-outline {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
}

.btn-primary {
    background: var(--primary);
    color: white;
    border-radius: 100px;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.btn-primary:hover:not(:disabled) {
    background: var(--gray-900);
    transform: translateY(-2px);
    box-shadow: 0 20px 30px -10px rgba(0,0,0,0.2);
}

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

.btn-accent {
    background: var(--accent);
    color: white;
    border-radius: 100px;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.btn-accent:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 15px 25px -8px rgba(13, 148, 136, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--gray-700);
    border-radius: 100px;
    font-weight: 600;
    transition: all 0.3s;
    border: 2px solid var(--gray-200);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-soft);
}

/* Progress Steps */
.progress-step {
    flex: 1;
    text-align: center;
    padding: 0.8rem 0.5rem;
    background: white;
    border-radius: 12px;
    font-weight: 600;
    color: var(--gray-400);
    border: 2px solid var(--gray-200);
    transition: all 0.3s;
    font-size: 0.8rem;
}

@media (min-width: 768px) {
    .progress-step {
        padding: 1.2rem;
        border-radius: 16px;
        font-size: 1rem;
    }
}

.progress-step.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
    box-shadow: 0 10px 20px -5px rgba(13, 148, 136, 0.3);
}

.progress-step.completed {
    background: var(--accent-soft);
    color: var(--accent);
    border-color: var(--accent);
}

/* Time Slots */
.time-slot {
    padding: 0.6rem;
    text-align: center;
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.9rem;
}

@media (min-width: 768px) {
    .time-slot {
        padding: 0.8rem;
        border-radius: 12px;
        font-size: 1rem;
    }
}

.time-slot:hover:not(.disabled) {
    border-color: var(--accent);
    background: var(--accent-soft);
    transform: scale(1.05);
}

.time-slot.selected {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

/* Floating WhatsApp */
.floating-wa {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 55px;
    height: 55px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 28px;
    box-shadow: 0 15px 30px -5px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: all 0.3s;
    animation: pulse 2s infinite;
}

@media (min-width: 768px) {
    .floating-wa {
        bottom: 30px;
        right: 30px;
        width: 65px;
        height: 65px;
        font-size: 32px;
    }
}

.floating-wa:hover {
    transform: scale(1.1) rotate(5deg);
    background: #20b859;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* Cards */
.card-modern {
    background: white;
    border-radius: 24px;
    padding: 1.5rem;
    box-shadow: 0 20px 40px -20px rgba(0,0,0,0.1);
    transition: all 0.3s;
    border: 1px solid var(--gray-100);
}

@media (min-width: 768px) {
    .card-modern {
        border-radius: 32px;
        padding: 2rem;
    }
}

.card-modern:hover {
    transform: translateY(-4px);
    box-shadow: 0 30px 50px -25px rgba(13, 148, 136, 0.2);
    border-color: var(--accent-soft);
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 0.8rem;
    background: var(--accent-soft);
    color: var(--accent);
    border-radius: 100px;
    font-weight: 600;
    font-size: 0.75rem;
}

@media (min-width: 768px) {
    .badge {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
}

/* Input */
.input-modern {
    width: 100%;
    padding: 0.8rem 1rem;
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    font-size: 0.9rem;
    transition: all 0.3s;
}

@media (min-width: 768px) {
    .input-modern {
        padding: 1rem 1.2rem;
        border-radius: 16px;
        font-size: 1rem;
    }
}

.input-modern:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(13, 148, 136, 0.1);
    background: white;
}

/* Tabs */
.tab-content {
    display: none;
}
.tab-content.active {
    display: block;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--gray-100);
}
::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 8px;
}

@media (min-width: 768px) {
    ::-webkit-scrollbar {
        width: 10px;
    }
}

/* Price Grid */
.price-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.8rem;
}

@media (min-width: 640px) {
    .price-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .price-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

.price-item {
    background: var(--gray-50);
    border-radius: 14px;
    padding: 1rem;
    border: 1px solid var(--gray-200);
    transition: all 0.3s;
}

@media (min-width: 768px) {
    .price-item {
        border-radius: 16px;
        padding: 1.2rem;
    }
}

.price-item:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -10px rgba(13, 148, 136, 0.2);
}

.price-item .consultar {
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

@media (min-width: 768px) {
    .price-item .consultar {
        font-size: 0.9rem;
    }
}

.price-item .consultar:hover {
    text-decoration: underline;
}

/* Logo */
.logo-img {
    width: 35px;
    height: 35px;
    object-fit: contain;
    border-radius: 8px;
}

@media (min-width: 768px) {
    .logo-img {
        width: 40px;
        height: 40px;
        border-radius: 10px;
    }
}

/* Developer Credit */
.developer-credit {
    font-size: 0.7rem;
    opacity: 0.7;
    transition: opacity 0.3s;
    text-align: center;
}

@media (min-width: 768px) {
    .developer-credit {
        font-size: 0.8rem;
    }
}

.developer-credit:hover {
    opacity: 1;
}

/* Back Button */
.btn-back {
    display: flex;
    position: fixed;
    bottom: 90px;
    left: 20px;
    background: white;
    color: var(--gray-700);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    z-index: 90;
    border: 1px solid var(--gray-200);
    transition: all 0.3s;
    align-items: center;
    justify-content: center;
}

@media (min-width: 768px) {
    .btn-back {
        bottom: 100px;
        width: 50px;
        height: 50px;
    }
}

.btn-back:hover {
    background: var(--accent);
    color: white;
    transform: scale(1.1);
}

.btn-back i {
    font-size: 1.1rem;
}

@media (min-width: 768px) {
    .btn-back i {
        font-size: 1.2rem;
    }
}

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

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

.bg-accent-soft {
    background: var(--accent-soft);
}

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

/* Ajustes específicos para móvil */
@media (max-width: 639px) {
    h1 {
        font-size: 2.5rem !important;
    }
    
    h2 {
        font-size: 2rem !important;
    }
    
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .grid {
        gap: 1rem;
    }
    
    .floating-card {
        width: 90%;
        left: 5% !important;
        transform: none !important;
    }
    
    .service-price {
        font-size: 1.3rem !important;
    }
}

/* Ajustes para tablet */
@media (min-width: 640px) and (max-width: 1023px) {
    h1 {
        font-size: 3.5rem !important;
    }
    
    h2 {
        font-size: 2.5rem !important;
    }
    
    .container {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

/* Mejoras de touch para móvil */
@media (max-width: 1023px) {
    .service-option, 
    .time-slot, 
    .nav-link,
    button {
        cursor: pointer;
        -webkit-tap-highlight-color: transparent;
    }
    
    .service-option:active,
    .time-slot:active {
        transform: scale(0.98);
    }
}