/**
 * PONNUSAMY HOTEL - REUSABLE COMPONENTS
 * Common UI patterns with fluid responsive design
 */

/* ===== BUTTONS ===== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--btn-padding-md);
    font-size: var(--font-size-base);
    font-weight: 500;
    line-height: 1;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: var(--hit-box-md);
    position: relative;
    overflow: hidden;
}

.btn-sm {
    padding: var(--btn-padding-sm);
    font-size: var(--font-size-sm);
    min-height: var(--hit-box-sm);
}

.btn-lg {
    padding: var(--btn-padding-lg);
    font-size: var(--font-size-lg);
    min-height: var(--hit-box-lg);
}

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

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

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

.btn-secondary:hover {
    background: var(--color-gray-900);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

/* ===== CARDS ===== */

.card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

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

.card-body {
    padding: var(--space-lg);
}

.card-header {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--color-gray-200);
}

.card-footer {
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--color-gray-200);
}

.card-image {
    width: 100%;
    height: auto;
    display: block;
}

/* Glassmorphism card */
.card-glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-lg);
}

/* ===== SECTION HEADERS ===== */

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-label {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wider);
    color: var(--color-primary);
    background: var(--color-primary-light);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: var(--line-height-tight);
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-secondary);
    max-width: 60ch;
    margin-left: auto;
    margin-right: auto;
}

/* ===== NAVIGATION ===== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    transition: all var(--transition-slow);
    background: transparent;
}

.nav-scrolled {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
}

.nav-container {
    max-width: var(--container-3xl);
    margin: 0 auto;
    padding: var(--space-sm) var(--section-padding-inline);
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: clamp(60px, 4rem + 1vw, 80px);
}

.nav-logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text-primary);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-text-primary);
    text-decoration: none;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    min-height: var(--hit-box-sm);
    display: inline-flex;
    align-items: center;
}

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

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
    min-width: var(--hit-box-md);
    min-height: var(--hit-box-md);
}

.nav-toggle-line {
    width: 24px;
    height: 3px;
    background: var(--color-text-primary);
    transition: all var(--transition-base);
    border-radius: 2px;
}

@media (max-width: 767px) {
    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-white);
        flex-direction: column;
        justify-content: center;
        padding: var(--space-2xl);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-toggle {
        display: flex;
    }

    .nav-link {
        font-size: var(--font-size-lg);
        padding: var(--space-md);
    }
}

/* ===== HERO SECTION ===== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    text-align: center;
    max-width: var(--container-lg);
    padding: var(--space-2xl);
    z-index: var(--z-base);
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 700;
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-lg);
    color: var(--color-text-primary);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2xl);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

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

/* ===== GRID SECTIONS ===== */

/* Card grid for services, menu items, etc. */
.card-grid {
    display: grid;
    grid-template-columns: repeat(var(--grid-columns-mobile), 1fr);
    gap: var(--gap-md);
}

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

@media (min-width: 1024px) {
    .card-grid {
        grid-template-columns: repeat(var(--grid-columns-laptop), 1fr);
    }
}

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

@media (min-width: 1920px) {
    .card-grid {
        grid-template-columns: repeat(var(--grid-columns-ultrawide), 1fr);
    }
}

/* ===== IMAGE GALLERY ===== */
/* Note: Gallery styles commented out to preserve signature delicacies card design */
/* Use .custom-gallery instead if you need these styles */

/*
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
    gap: var(--gap-sm);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
    aspect-ratio: 1 / 1;
}

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

.gallery-item:hover .gallery-image {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.7) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-lg);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-xs);
}

.gallery-description {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.9);
}
*/

/* ===== FORMS ===== */

.form-group {
    margin-bottom: var(--space-lg);
}

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

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-md);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background: var(--color-white);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    min-height: var(--hit-box-md);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(251, 146, 60, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: clamp(120px, 10rem, 200px);
}

/* ===== BADGES ===== */

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    line-height: 1;
    border-radius: var(--radius-full);
}

.badge-primary {
    background: var(--color-primary);
    color: var(--color-white);
}

.badge-secondary {
    background: var(--color-gray-200);
    color: var(--color-gray-800);
}

.badge-success {
    background: #10b981;
    color: var(--color-white);
}

/* ===== LOADING STATES ===== */

.skeleton {
    background: linear-gradient(
        90deg,
        var(--color-gray-200) 25%,
        var(--color-gray-300) 50%,
        var(--color-gray-200) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ===== ANIMATIONS ===== */

.fade-in {
    animation: fade-in 0.5s ease-in-out;
}

@keyframes fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.slide-up {
    animation: slide-up 0.5s ease-out;
}

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

.scale-in {
    animation: scale-in 0.3s ease-out;
}

@keyframes scale-in {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ===== ACCESSIBILITY ===== */

/* Focus visible for keyboard navigation */
*:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* Skip to content link */
.skip-to-content {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-md) var(--space-lg);
    text-decoration: none;
    font-weight: 600;
    z-index: var(--z-tooltip);
    transition: top var(--transition-fast);
}

.skip-to-content:focus {
    top: 0;
}

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

/* ===== PRINT STYLES ===== */

@media print {
    .nav,
    .btn,
    .nav-toggle {
        display: none !important;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
        color: #000;
        background: #fff;
    }

    .card {
        box-shadow: none;
        border: 1px solid #000;
    }
}