/* ===================================
   mekanik komputer - MAIN STYLESHEET
   Modern, Clean, Professional Design
   ================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Scheme - Professional Red Gradient */
    --primary-red: #dc2626;
    --primary-red-dark: #991b1b;
    --primary-red-light: #ef4444;
    --accent-red: #f87171;
    --secondary-color: #1e40af;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===================================
   TYPOGRAPHY
   ================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3rem;
    color: var(--text-dark);
}

h2 {
    font-size: 2.5rem;
    color: var(--text-dark);
}

h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
}

h4 {
    font-size: 1.25rem;
    color: var(--text-dark);
}

p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

a {
    color: var(--primary-red);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-red-dark);
}

/* ===================================
   CONTAINER & LAYOUT
   ================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    padding: 1rem 0;
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
}

.logo-icon {
    font-size: 2rem;
}

.logo-text {
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--text-dark);
    font-weight: 500;
    padding: 0.5rem 0;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-red), var(--primary-red-light));
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    margin: 5px 0;
    border-radius: 3px;
    transition: var(--transition);
}

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

.hero {
    margin-top: 70px;
    min-height: 600px;
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-dark) 100%);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23ffffff" fill-opacity="0.05"><path d="M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z"/></g></g></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    max-width: 800px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: white;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

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

.btn {
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Segoe UI', sans-serif;
    display: inline-block;
    text-align: center;
}

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

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

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* ===================================
   FEATURES SECTION
   ================================== */

.features {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-red);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: inline-block;
}

.feature-card h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-light);
}

/* ===================================
   SERVICES PREVIEW SECTION
   ================================== */

.services-preview {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border-left: 5px solid var(--primary-red);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.service-link {
    color: var(--primary-red);
    font-weight: 600;
    display: inline-block;
    transition: var(--transition);
}

.service-link:hover {
    color: var(--primary-red-dark);
    transform: translateX(5px);
}

/* ===================================
   TESTIMONIALS SECTION
   ================================== */

.testimonials {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: linear-gradient(135deg, #fff5f5, #fef2f2);
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.stars {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.testimonial-text {
    font-style: italic;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.testimonial-author {
    color: var(--primary-red);
    font-weight: 600;
}

/* ===================================
   FAQ SECTION
   ================================== */

.faq {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    background: white;
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    background: linear-gradient(135deg, #fef2f2, #fff5f5);
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    transition: var(--transition);
}

.faq-question:hover {
    background: linear-gradient(135deg, #fee2e2, #fecaca);
}

.faq-icon {
    font-size: 1.5rem;
    transition: var(--transition);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 1.5rem;
    background: white;
    display: none;
    border-top: 1px solid var(--border-color);
}

.faq-item.active .faq-answer {
    display: block;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.faq-answer p {
    color: var(--text-light);
    line-height: 1.8;
}

/* ===================================
   CTA SECTION
   ================================== */

.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-dark));
    color: white;
    text-align: center;
}

.cta h2 {
    color: white;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

/* ===================================
   PAGE HEADER
   ================================== */

.page-header {
    margin-top: 70px;
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-dark));
    color: white;
    text-align: center;
}

.page-header h1 {
    color: white;
    font-size: 3rem;
    margin-bottom: 1rem;
}

.page-header p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
}

/* ===================================
   SERVICES DETAILED
   ================================== */

.services-detailed {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.service-detail-card {
    background: white;
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
    border-left: 5px solid var(--primary-red);
    transition: var(--transition);
}

.service-detail-card:hover {
    box-shadow: var(--shadow-lg);
}

.service-detail-header {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
}

.service-detail-icon {
    font-size: 3rem;
    min-width: 80px;
}

.service-detail-header h2 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.service-price {
    color: var(--primary-red);
    font-weight: 600;
    font-size: 1.25rem;
}

.service-features {
    list-style: none;
    margin: 1.5rem 0;
}

.service-features li {
    padding: 0.5rem 0;
    color: var(--text-light);
    font-weight: 500;
}

/* ===================================
   COMPARISON TABLE
   ================================== */

.comparison {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.comparison-table {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

table thead {
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-light));
    color: white;
}

table th {
    padding: 1.5rem;
    text-align: left;
    font-weight: 600;
}

table td {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-light);
}

table tbody tr:hover {
    background-color: var(--bg-light);
}

table tbody tr:last-child td {
    border-bottom: none;
}

/* ===================================
   GALLERY SECTION
   ================================== */

.gallery {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.gallery-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--border-color);
    background: white;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-dark);
    transition: var(--transition);
}

.filter-btn.active,
.filter-btn:hover {
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-light));
    color: white;
    border-color: var(--primary-red);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.gallery-item {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.gallery-image {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
}

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

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

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.9), rgba(153, 27, 27, 0.9));
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    text-align: center;
    opacity: 0;
    transition: var(--transition);
    padding: 2rem;
}

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

.gallery-overlay h4 {
    color: white;
    margin-bottom: 0.5rem;
}

.gallery-overlay p {
    color: rgba(255, 255, 255, 0.9);
}

/* ===================================
   STATS SECTION
   ================================== */

.stats {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-dark));
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-card {
    padding: 2rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-card p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
}

/* ===================================
   ABOUT SECTION
   ================================== */

.about-section {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text h2 {
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.about-text p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.about-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
}

/* ===================================
   MISSION & VISION
   ================================== */

.mission-vision {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.mission-vision .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.mission-card {
    background: white;
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
}

.mission-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.mv-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.mission-card h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.mission-card p {
    color: var(--text-light);
}

/* ===================================
   WHY CHOOSE US
   ================================== */

.why-choose {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.why-card {
    background: linear-gradient(135deg, #fef2f2, #fff5f5);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.why-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-red);
}

.why-icon {
    font-size: 2.5rem;
    color: var(--primary-red);
    margin-bottom: 1rem;
}

.why-card h4 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.why-card p {
    color: var(--text-light);
}

/* ===================================
   TEAM SECTION
   ================================== */

.team {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.team-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-align: center;
}

.team-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.team-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.team-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.team-card:hover .team-image img {
    transform: scale(1.1);
}

.team-card h4 {
    color: var(--text-dark);
    margin: 1.5rem 1rem 0.5rem;
}

.team-card p {
    color: var(--primary-red);
    font-weight: 600;
    margin: 0.5rem 1rem;
}

.team-bio {
    color: var(--text-light);
    font-weight: 400;
    padding: 0 1rem 1.5rem;
}

/* ===================================
   ACHIEVEMENTS SECTION
   ================================== */

.achievements {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.achievement-card {
    background: linear-gradient(135deg, #fef2f2, #fff5f5);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
    border: 2px solid var(--border-color);
}

.achievement-card:hover {
    border-color: var(--primary-red);
    box-shadow: var(--shadow-lg);
}

.achievement-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.achievement-card h4 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.achievement-card p {
    color: var(--text-light);
}

/* ===================================
   CONTACT SECTION
   ================================== */

.contact-section {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-form-wrapper h2,
.contact-info-wrapper h2 {
    color: var(--text-dark);
    margin-bottom: 2rem;
}

.contact-form {
    background: white;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: 'Segoe UI', sans-serif;
    font-size: 1rem;
    color: var(--text-dark);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-red);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.contact-info-card {
    background: linear-gradient(135deg, #fef2f2, #fff5f5);
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    display: flex;
    gap: 1.5rem;
    border: 1px solid var(--border-color);
}

.info-icon {
    font-size: 2rem;
    min-width: 50px;
}

.info-content h4 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.info-content p {
    color: var(--text-light);
    margin-bottom: 0.25rem;
}

.info-content a {
    color: var(--primary-red);
    font-weight: 600;
}

/* ===================================
   MAP SECTION
   ================================== */

.map-section {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.map-container {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

/* ===================================
   FOOTER
   ================================== */

.footer {
    background: linear-gradient(135deg, #1f2937, #111827);
    color: white;
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: white;
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--accent-red);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

/* ===================================
   FLOATING WHATSAPP BUTTON
   ================================== */

.whatsapp-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25d366, #20ba58);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    z-index: 999;
    animation: pulse 2s infinite;
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    animation: none;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(37, 211, 102, 0);
    }
}

/* ===================================
   SCROLL TO TOP BUTTON
   ================================== */

.scroll-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-light));
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    z-index: 998;
}

.scroll-top.show {
    display: flex;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in {
    animation: fadeInUp 0.6s ease-out;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

/* ===================================
   SMOOTH SCROLLING
   ================================== */

html {
    scroll-behavior: smooth;
}
