/* Khol Química - Component Styles */

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-4) var(--spacing-8);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    line-height: 1;
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow-teal);
}

.btn-primary:active {
    transform: translateY(0);
}

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

.btn-secondary:hover {
    background: var(--color-teal);
    color: var(--color-white);
}

.btn-whatsapp {
    background: #25D366;
    color: var(--color-white);
}

.btn-whatsapp:hover {
    background: #128C7E;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-lg {
    padding: var(--spacing-5) var(--spacing-10);
    font-size: var(--text-lg);
}

.btn-sm {
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--text-sm);
}

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

.card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

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

.card-metric {
    text-align: center;
    background: linear-gradient(135deg, var(--color-white), var(--color-off-white));
    border: 1px solid var(--color-black-alpha-10);
}

.card-metric .metric-value {
    font-family: var(--font-secondary);
    font-size: var(--text-5xl);
    font-weight: var(--font-extrabold);
    background: linear-gradient(135deg, var(--color-teal), var(--color-blue-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: var(--leading-tight);
    margin-bottom: var(--spacing-2);
}

.card-metric .metric-label {
    font-size: var(--text-base);
    color: var(--color-gray);
    font-weight: var(--font-medium);
}

.card-portfolio {
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, var(--color-blue-dark) 0%, var(--color-teal) 100%);
    color: var(--color-white);
}

.card-portfolio::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent, rgba(255, 255, 255, 0.1));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.card-portfolio:hover::before {
    opacity: 1;
}

.card-portfolio h3 {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--spacing-4);
}

.card-portfolio ul {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
}

.card-portfolio li {
    position: relative;
    padding-left: var(--spacing-4);
}

.card-portfolio li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-green-lime);
}

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

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-12);
}

.section-header .overline {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-teal);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    margin-bottom: var(--spacing-4);
}

.section-header h2 {
    font-family: var(--font-secondary);
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    color: var(--color-black);
    line-height: var(--leading-tight);
    margin-bottom: var(--spacing-4);
}

.section-header h2 .highlight {
    color: var(--color-teal);
}

.section-header p {
    font-size: var(--text-lg);
    color: var(--color-gray);
    line-height: var(--leading-relaxed);
}

/* ========================================
   FORM ELEMENTS
   ======================================== */

.form-group {
    margin-bottom: var(--spacing-6);
}

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

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--spacing-4);
    font-size: var(--text-base);
    color: var(--color-black);
    background: var(--color-white);
    border: 2px solid var(--color-black-alpha-10);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--color-teal);
    box-shadow: 0 0 0 4px var(--color-teal-alpha-10);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-gray);
    opacity: 0.6;
}

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

.form-input.error,
.form-textarea.error {
    border-color: var(--color-orange);
}

.form-error {
    font-size: var(--text-sm);
    color: var(--color-orange);
    margin-top: var(--spacing-1);
}

/* ========================================
   CAROUSEL
   ======================================== */

.carousel {
    position: relative;
    overflow: hidden;
    padding: var(--spacing-4) 0;
}

.carousel-track {
    display: flex;
    gap: var(--spacing-8);
    animation: scroll 30s linear infinite;
}

.carousel-track:hover {
    animation-play-state: paused;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

.carousel-item {
    flex-shrink: 0;
    width: 150px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-4);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.carousel-item:hover {
    box-shadow: var(--shadow-md);
    transform: scale(1.05);
}

.carousel-item img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all var(--transition-fast);
}

.carousel-item:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

/* ========================================
   BADGES & TAGS
   ======================================== */

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-1);
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    border-radius: var(--radius-full);
}

.badge-primary {
    background: var(--color-teal-alpha-10);
    color: var(--color-teal);
}

.badge-success {
    background: rgba(202, 212, 47, 0.1);
    color: var(--color-green-lime);
}

/* ========================================
   ICONS
   ======================================== */

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

.icon-sm {
    width: 16px;
    height: 16px;
}

.icon-md {
    width: 24px;
    height: 24px;
}

.icon-lg {
    width: 32px;
    height: 32px;
}

.icon-xl {
    width: 48px;
    height: 48px;
}

.icon-circle {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-teal), var(--color-blue-light));
    color: var(--color-white);
    padding: var(--spacing-4);
}

/* ========================================
   DIVIDERS
   ======================================== */

.divider {
    height: 1px;
    background: var(--color-black-alpha-10);
    margin: var(--spacing-8) 0;
}

.divider-gradient {
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-teal), transparent);
}

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

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

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

.slide-in-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: all 0.6s ease-out;
}

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

.slide-in-right {
    opacity: 0;
    transform: translateX(40px);
    transition: all 0.6s ease-out;
}

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

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

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

/* Stagger animation delay for children */
.stagger-children>*:nth-child(1) {
    transition-delay: 0.1s;
}

.stagger-children>*:nth-child(2) {
    transition-delay: 0.2s;
}

.stagger-children>*:nth-child(3) {
    transition-delay: 0.3s;
}

.stagger-children>*:nth-child(4) {
    transition-delay: 0.4s;
}

.stagger-children>*:nth-child(5) {
    transition-delay: 0.5s;
}

.stagger-children>*:nth-child(6) {
    transition-delay: 0.6s;
}

.stagger-children>*:nth-child(7) {
    transition-delay: 0.7s;
}

.stagger-children>*:nth-child(8) {
    transition-delay: 0.8s;
}