:root {
    --primary: #173124;
    --primary-container: #2d4739;
    --on-primary: #ffffff;
    --secondary: #78583c;
    --secondary-container: #fdd2af;
    --on-secondary: #ffffff;
    --surface: #fcf9f4;
    --surface-low: #f6f3ee;
    --surface-lowest: #ffffff;
    --on-surface: #1c1c19;
    --on-surface-variant: #424844;
    --outline: #727973;
    --radius-sm: 0.125rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.75rem;
    --shadow-soft: 0 40px 60px -20px rgba(28, 28, 25, 0.06);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Manrope', sans-serif;
    background-color: var(--surface);
    color: var(--on-surface);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3 {
    font-family: 'Noto Serif', serif;
    letter-spacing: -0.02em;
    font-weight: 500;
}

/* Navegación Fija */
.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background: rgba(252, 249, 244, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(23, 49, 36, 0.05);
}

.nav-brand {
    font-family: 'Noto Serif', serif;
    font-size: 1.25rem;
    letter-spacing: 0.2em;
    color: var(--primary);
    font-weight: 500;
}

.nav-link {
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--on-surface-variant);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: color 0.3s;
}

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

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
}

/* Header Editorial */
header {
    text-align: center;
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s forwards;
}

.header-subtitle {
    font-size: 1rem;
    color: var(--on-surface-variant);
    margin-top: 0.75rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.label-overline {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--on-surface-variant);
    margin-bottom: 0.25rem;
    display: block;
}

h1 {
    font-size: 2.2rem;
    color: var(--primary);
    line-height: 1.2;
}

/* Card System */
.glass-card {
    background: var(--surface-lowest);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-soft);
    padding: 2.5rem;
    margin-bottom: 1.5rem;
}

/* House Selector with Images */
.house-selector {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.house-tab-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    width: 160px;
}

.house-tab {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
}

.house-tab img {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid transparent;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.house-tab span {
    font-size: 1rem;
    font-weight: 700;
    color: var(--on-surface-variant);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.house-tab:hover img {
    transform: scale(1.05);
    border-color: var(--secondary);
}

.house-tab.active img {
    border-color: var(--secondary);
    box-shadow: 0 0 0 4px rgba(120, 88, 60, 0.1), 0 8px 25px rgba(120, 88, 60, 0.2);
}

.house-tab.active span {
    color: var(--secondary);
}

.house-web-link {
    text-decoration: none;
    font-size: 0.65rem;
    color: var(--on-surface-variant);
    font-weight: 600;
    opacity: 0.6;
    transition: all 0.3s ease;
    padding: 4px 8px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    text-transform: lowercase;
}

.house-web-link:hover {
    opacity: 1;
    color: var(--secondary);
    border-color: rgba(120, 88, 60, 0.3);
    background: rgba(120, 88, 60, 0.05);
}
    border: 3px solid transparent;
    filter: grayscale(100%) opacity(0.6);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.house-tab span {
    font-family: 'Noto Serif', serif;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--on-surface-variant);
    transition: color 0.3s;
}

.house-tab:hover img {
    filter: grayscale(0%) opacity(1);
    transform: translateY(-5px);
}

.house-tab.active img {
    filter: grayscale(0%) opacity(1);
    transform: scale(1.15);
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

.house-tab.active[data-house="gredos"] img {
    border-color: var(--primary);
}

.house-tab.active[data-house="valles"] img {
    border-color: var(--secondary);
}

.house-tab.active span {
    color: var(--on-surface);
    font-weight: 700;
}

/* Responsive Grid for PC */
#booking-wrapper {
    display: grid;
    gap: 3rem;
    align-items: start;
    grid-template-columns: 1fr; /* Default mobile */
}

@media (min-width: 1000px) {
    #booking-wrapper {
        grid-template-columns: 1.2fr 1fr;
    }
    .container {
        max-width: 1100px;
    }
}

/* Bizum Notice Pre-booking */
.bizum-notice {
    background: rgba(120, 88, 60, 0.08);
    border-left: 4px solid var(--secondary);
    padding: 1rem;
    border-radius: var(--radius-sm);
    margin-top: 1rem;
    margin-bottom: 1rem;
    display: flex;
    gap: 1rem;
    align-items: center;
}

.bizum-icon {
    background: var(--secondary);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    flex-shrink: 0;
    font-size: 0.8rem;
    line-height: 1;
}

.bizum-notice p {
    font-size: 0.85rem;
    color: var(--on-surface-variant);
    margin: 0;
    line-height: 1.4;
}

/* Calendar Styling */
.calendar-section {
    background: var(--surface-low);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(23, 49, 36, 0.05);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    text-align: center;
    background: rgba(255, 255, 255, 0.5);
    padding: 10px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(23, 49, 36, 0.03);
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    background: white;
    border: 1px solid transparent;
}

.calendar-day:hover:not(.disabled) {
    background: var(--secondary-container);
    border-color: var(--secondary);
    transform: scale(1.05);
    z-index: 2;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.calendar-day.disabled {
    background: transparent;
    color: #d1d1cf;
    cursor: not-allowed;
    text-decoration: line-through;
    opacity: 0.6;
}

.calendar-day.selected {
    background: var(--primary) !important;
    color: white;
    font-weight: 700;
    box-shadow: 0 4px 10px rgba(23, 49, 36, 0.3);
}

.calendar-day.today {
    border: 2px solid var(--primary);
    color: var(--primary);
    font-weight: 800;
}

/* Policy Selector Chips */
.policy-selector {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.policy-chip {
    padding: 1rem;
    border: 1.5px solid var(--surface-low);
    background: var(--surface-low);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 1rem;
    position: relative;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.policy-chip input[type="radio"] {
    width: 20px;
    height: 20px;
    margin: 0;
    cursor: pointer;
}

.policy-chip:hover {
    border-color: var(--outline);
    background: white;
}

.policy-chip.active {
    background: white;
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(23, 49, 36, 0.08);
}

.chip-content {
    display: flex;
    flex-direction: column;
    pointer-events: none;
}

.chip-title {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.chip-desc {
    font-size: 0.75rem;
    color: var(--on-surface-variant);
}

.discount-tag {
    background: #e11d48;
    color: white;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 800;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.25rem;
}

label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--on-surface-variant);
    margin-bottom: 0.5rem;
}

input, select {
    width: 100%;
    padding: 0.85rem;
    border: none;
    background: var(--surface-low);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    transition: background 0.3s;
}

input:focus {
    outline: none;
    background: var(--surface-lowest);
    box-shadow: inset 0 0 0 1px var(--primary);
}

.btn-primary {
    width: 100%;
    padding: 1.15rem;
    border: none;
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    color: white;
    font-family: 'Manrope', sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: transform 0.2s, opacity 0.2s;
    margin-top: 0.5rem;
}

.btn-primary:active {
    transform: scale(0.98);
}

/* Success State */
.success-message {
    text-align: center;
    padding: 3rem 1rem;
    display: none;
}

.bizum-box {
    background: var(--surface-low);
    padding: 2rem;
    border-radius: var(--radius-md);
    margin: 2rem 0;
    border: 1px dashed var(--secondary);
}

.bizum-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--secondary);
    display: block;
    margin: 0.5rem 0;
}

/* Price Calculator UI */
.price-box {
    background: var(--surface-low);
    padding: 1.25rem;
    border-radius: var(--radius-md);
    margin: 1rem 0;
    border: 1px solid rgba(23, 49, 36, 0.1);
}

.price-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
    color: var(--on-surface-variant);
}

.price-total {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(23, 49, 36, 0.1);
    display: flex;
    justify-content: space-between;
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--primary);
}

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

/* Loading Spinner */
.loader {
    width: 20px;
    height: 20px;
    border: 2px solid #fff;
    border-bottom-color: transparent;
    border-radius: 50%;
    display: inline-block;
    box-sizing: border-box;
    animation: rotation 1s linear infinite;
    margin-right: 10px;
    vertical-align: middle;
}

@keyframes rotation {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hidden { display: none; }