/* ===========================
   Component Library
   Buttons, Cards, Forms, etc.
   =========================== */

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 0.875rem 2rem;
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-lg);
    transition: all var(--transition-spring);
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.02em;
}

.btn--primary {
    background: var(--gradient-accent);
    color: var(--color-primary);
    box-shadow: 0 10px 20px -5px rgba(212, 175, 55, 0.3);
}

.btn--primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px -5px rgba(212, 175, 55, 0.4);
}

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

.btn--secondary:hover {
    background: var(--gradient-accent);
    color: var(--color-primary);
    transform: translateY(-3px);
}

.btn--success {
    background: var(--color-success);
    color: var(--color-white);
    box-shadow: 0 10px 20px -5px rgba(5, 150, 105, 0.3);
}

.btn--white {
    background: rgba(255, 255, 255, 0.95);
    color: var(--color-primary);
    box-shadow: var(--shadow-xl);
}

.btn--ghost {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.1);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.btn--ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-white);
}

.btn--lg {
    padding: 1rem 2.25rem;
    font-size: var(--text-base);
}

.btn--sm {
    padding: 0.5rem 1.25rem;
    font-size: var(--text-xs);
}

.btn--icon {
    width: 44px;
    height: 44px;
    padding: 0;
}

/* === Cards === */
.card {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-spring);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: var(--shadow-card);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(212, 175, 55, 0.2);
}

.glass-card {
    background: rgba(15, 23, 42, 0.4);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    transition: all var(--transition-spring);
}

.card__tag {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--color-accent);
    background-color: rgba(37, 99, 235, 0.08);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-3);
}

.card__title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-2);
    transition: color var(--transition-fast);
}

.card:hover .card__title {
    color: var(--color-accent);
}

.card__desc {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-4);
}

.card__meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

/* Service Card */
.service-card {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-spring);
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(212, 175, 55, 0.1), transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.service-card:hover::after {
    opacity: 1;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(212, 175, 55, 0.3);
}

.service-card__icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(99, 102, 241, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-5);
    font-size: var(--text-2xl);
    transition: all var(--transition-base);
}

.service-card:hover .service-card__icon {
    background: var(--gradient-accent);
    color: var(--color-white);
    transform: scale(1.1);
}

.service-card__title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-3);
}

.service-card__desc {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: var(--leading-relaxed);
}

/* Testimonial Card */
.testimonial-card {
    background: var(--color-bg-glass);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-spring);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: var(--space-4);
    right: var(--space-6);
    font-size: 5rem;
    font-family: var(--font-heading);
    color: var(--color-gray-100);
    line-height: 1;
}

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

.testimonial-card__stars {
    display: flex;
    gap: 2px;
    margin-bottom: var(--space-4);
    color: var(--color-warning);
    font-size: var(--text-lg);
}

.testimonial-card__text {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-6);
    font-style: italic;
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.testimonial-card__avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    object-fit: cover;
    background: var(--gradient-accent);
}

.testimonial-card__name {
    font-weight: var(--font-semibold);
    font-size: var(--text-sm);
}

.testimonial-card__role {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

/* Stat Card */
.stat-card {
    text-align: center;
    padding: var(--space-8);
}

.stat-card__number {
    font-family: var(--font-heading);
    font-size: var(--text-5xl);
    font-weight: var(--font-extrabold);
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-2);
}

.stat-card__label {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    font-weight: var(--font-medium);
}

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

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

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: var(--text-base);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    background: var(--color-white);
    transition: all var(--transition-fast);
    color: var(--color-gray-900);
    pointer-events: auto;
    position: relative;
    z-index: 10;
}

.form-input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 4px var(--color-accent-glow);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

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

.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: var(--text-base);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    background: var(--color-white);
    transition: all var(--transition-fast);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
}

.form-select:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 4px var(--color-accent-glow);
}

/* === Badge === */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-full);
    background-color: rgba(37, 99, 235, 0.08);
    color: var(--color-accent);
}

.badge--success {
    background-color: rgba(16, 185, 129, 0.08);
    color: var(--color-success);
}

.badge--warning {
    background-color: rgba(245, 158, 11, 0.08);
    color: var(--color-warning);
}

/* === Tag/Filter === */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-8);
    justify-content: center;
}

.filter-btn {
    padding: var(--space-2) var(--space-5);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-secondary);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}

/* === Animations === */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* Stagger children animations */
.stagger-children>* {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.stagger-children.visible>*:nth-child(1) {
    transition-delay: 0.05s;
}

.stagger-children.visible>*:nth-child(2) {
    transition-delay: 0.1s;
}

.stagger-children.visible>*:nth-child(3) {
    transition-delay: 0.15s;
}

.stagger-children.visible>*:nth-child(4) {
    transition-delay: 0.2s;
}

.stagger-children.visible>*:nth-child(5) {
    transition-delay: 0.25s;
}

.stagger-children.visible>*:nth-child(6) {
    transition-delay: 0.3s;
}

.stagger-children.visible>* {
    opacity: 1;
    transform: translateY(0);
}

/* === Utility Classes === */
.text-center {
    text-align: center;
}

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

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

.flex {
    display: flex;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mt-4 {
    margin-top: var(--space-4);
}

.mt-8 {
    margin-top: var(--space-8);
}

.mb-4 {
    margin-bottom: var(--space-4);
}

.mb-8 {
    margin-bottom: var(--space-8);
}

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

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

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}