/* Reusable Components */

/* Container */
.container {
    width: 100%;
    max-width: var(--container-2xl);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

@media (min-width: 640px) {
    .container {
        padding: 0 var(--space-6);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--space-8);
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--fs-base);
    font-weight: var(--fw-medium);
    line-height: var(--lh-none);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    min-height: 48px; /* Accessibility: minimum touch target */
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-base);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border-primary);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--border-secondary);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--text-accent);
    border-color: var(--accent-primary);
}

.btn-outline:hover {
    background: var(--accent-primary);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

.btn-loading .btn-text {
    opacity: 0;
}

.btn-loading .btn-loading {
    opacity: 1;
}

.btn .btn-loading {
    position: absolute;
    opacity: 0;
    transition: opacity var(--transition-base);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-title {
    font-family: var(--font-display);
    font-size: var(--fs-4xl);
    font-weight: var(--fw-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -var(--space-2);
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: var(--radius-full);
}

.section-subtitle {
    font-size: var(--fs-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: var(--lh-relaxed);
}

@media (min-width: 768px) {
    .section-title {
        font-size: var(--fs-5xl);
    }
}

/* Cards */
.card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--border-primary);
}

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

.card-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--space-4);
}

.card-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.card-content h3 {
    font-size: var(--fs-xl);
    font-weight: var(--fw-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.card-content p {
    color: var(--text-secondary);
    line-height: var(--lh-relaxed);
}

/* Badges */
.badge {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    background: var(--accent-primary);
    color: var(--white);
    border-radius: var(--radius-full);
    margin-right: var(--space-2);
    margin-bottom: var(--space-2);
}

/* Form Elements */
.form-group {
    margin-bottom: var(--space-5);
}

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

@media (min-width: 768px) {
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
}

label {
    display: block;
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

input,
textarea,
select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--fs-base);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-lg);
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all var(--transition-base);
    min-height: 48px; /* Accessibility: minimum touch target */
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.1);
}

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

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}

.form-checkbox input[type="checkbox"] {
    width: auto;
    min-width: 18px;
    min-height: 18px;
    margin: 0;
    margin-top: 2px;
}

.form-checkbox label {
    margin: 0;
    font-size: var(--fs-sm);
    line-height: var(--lh-relaxed);
    cursor: pointer;
}

/* Loading States */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

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

.paw-loader {
    font-size: var(--fs-4xl);
    color: var(--accent-primary);
    animation: bounce 1s ease-in-out infinite;
    margin-bottom: var(--space-4);
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translateY(0);
    }
    40%, 43% {
        transform: translateY(-20px);
    }
    70% {
        transform: translateY(-10px);
    }
    90% {
        transform: translateY(-4px);
    }
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    width: 50px;
    height: 50px;
    background: var(--accent-primary);
    color: var(--white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-600);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

/* Animation Classes */
[data-animation] {
    opacity: 0;
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    transition-delay: var(--animation-delay, 0s);
}

.animate--fadeInUp {
    transform: translateY(40px);
}

.animate--fadeIn {
    transform: translateY(0);
}

.animate--slideInLeft {
    transform: translateX(-50px);
}

.animate--slideInRight {
    transform: translateX(50px);
}

.animate--scaleIn {
    transform: scale(0.9);
}

[data-animation].animate {
    opacity: 1;
    transform: none;
}

/* Hero Specific Animations */
.hero .animate {
    animation-duration: 0.8s;
    animation-fill-mode: forwards;
    animation-timing-function: cubic-bezier(0.2, 0.8, 0.2, 1);
    animation-delay: var(--animation-delay, 0s);
}

.hero .animate.animate--fadeInUp {
    animation-name: heroFadeInUp;
}

@keyframes heroFadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}