:root {
    --primary-color: #2563eb; 
    --primary-hover: #1d4ed8; 
    --success-color: #16a34a; 
    --danger-color: #dc2626;  
    --text-color: #333333;
    --light-bg: #f1f5f9; 
    --dark-bg: #1e293b;
    --white: #ffffff;
    --border-color: #e2e8f0;
}

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

html, body {
    overflow-x: hidden;
}
html {
  scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    scroll-behavior: smooth; 
    padding-top: 70px; 
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

.bg-light {
    background-color: var(--light-bg);
}

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

.mb-2 {
    margin-bottom: 40px;
}

h1, h2, h3 {
    margin-bottom: 20px;
    color: var(--dark-bg);
}

h1 { font-size: 3rem; line-height: 1.2; }
h2 { 
    font-size: 2.2rem; 
    background: linear-gradient(90deg, #1e293b 0%, #2563eb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 12px 28px;
    border-radius: 6px;
    font-weight: 600;
    transition: background 0.3s ease, border-color 0.3s ease;
    border: 2px solid var(--primary-color);
    cursor: pointer;
}

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

.btn-small {
    padding: 8px 16px;
}

.btn-full {
    width: 100%;
}

.header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
}

.logo b {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 25px;
    align-items: center;
}

.nav-links a:not(.btn):hover {
    color: var(--primary-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--dark-bg);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.hero {
    position: relative;
    overflow: hidden; 
    padding: 180px 0; 
    color: var(--white); 
    text-align: center;
    z-index: 1;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('https://cdn.pixabay.com/photo/2015/09/05/22/33/office-925806_1280.jpg'); 
    background-size: cover;
    background-position: center;
    z-index: -1;
    animation: zoomBackground 15s infinite alternate ease-in-out; 
}

@keyframes zoomBackground {
    0% { transform: scale(1); }
    100% { transform: scale(1.15); } 
}

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

.hero h1, .hero p {
    color: var(--white);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero p {
    font-size: 1.3rem;
    font-weight: 300;
    color: #e2e8f0;
    margin-bottom: 30px;
}

.grid-3, .grid-4, .grid-2 {
    display: grid;
    gap: 30px;
    margin-top: 40px;
}

.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); max-width: 800px; margin: 40px auto 0; }

.card {
    background: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03); 
    text-align: center;
    border-top: 4px solid var(--primary-color); 
    transition: transform 0.3s ease, box-shadow 0.3s ease; 
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}

.card .icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.service-card {
    text-align: left;
    padding: 40px 30px;
    position: relative;
    border: 1px solid var(--border-color);
}

.service-card h3 {
    text-align: center;
    font-size: 1.4rem;
}

.service-card p {
    text-align: center;
    color: #64748b;
    font-size: 0.95rem;
    margin-bottom: 25px;
}

.service-card.premium-service {
    border: 2px solid var(--primary-color);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.15);
    transform: scale(1.03); 
    z-index: 10;
}

.badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 4px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    letter-spacing: 1px;
    text-transform: uppercase;
    animation: bounce 3s infinite ease-in-out;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

.feature-list li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.feature-list li.pro::before {
    content: "✓";
    color: var(--primary-color);
    font-size: 1rem;
    font-weight: 700;
    position: absolute;
    left: 0;
    top: 2px;
}

.feature-list li.con::before {
    content: "❌";
    font-size: 0.7rem;
    position: absolute;
    left: 0;
    top: 4px;
}

.pricing-card {
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.pricing-card.premium {
    border: 2px solid var(--primary-color);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.15);
    transform: scale(1.03); 
    z-index: 10;
}

.pricing-card .price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 20px 0;
}

.pricing-card ul {
    text-align: left;
    margin-bottom: 30px;
}

.pricing-card li {
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
}

.pricing-card li::before {
    content: "✓";
    color: var(--primary-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px); 
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0); 
}

.cursor-typing::after {
    content: '█'; 
    animation: blink 1s step-end infinite;
    margin-left: 5px;
    color: #2563eb;
}

@keyframes blink {
    50% { opacity: 0; }
}

.contact-container {
    max-width: 600px;
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.checkbox-group {
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.checkbox-group input {
    margin-top: 5px;
}

.small-text {
    font-size: 0.85rem;
    color: #64748b;
}

.footer {
    background: var(--dark-bg);
    color: var(--white);
    padding: 40px 0;
}

.footer a {
    color: #94a3b8;
}

.footer a:hover {
    color: var(--white);
}

@media (max-width: 900px) {
    .grid-3 { grid-template-columns: 1fr; }
    .service-card.premium-service { transform: scale(1); } 
}

@media (max-width: 768px) {
    h1 { font-size: 2.2rem; }
    .grid-4, .grid-2 { grid-template-columns: 1fr; }
    .hero { padding: 100px 0; }
    
    .hamburger { 
        display: flex; 
        margin-left: auto;
    }

    .nav-links {
        position: absolute;
        top: 70px;
        right: -100%;
        width: 100%;
        background-color: var(--white);
        flex-direction: column;
        align-items: center;
        padding: 40px 0;
        box-shadow: 0 10px 10px rgba(0,0,0,0.1);
        transition: right 0.4s ease;
    }
    
    .nav-links.active { right: 0; }
    
    .nav-links li { margin: 15px 0; }
    
    .hamburger.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .hamburger.active span:nth-child(2) { opacity: 0; }
    .hamburger.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 22px; 
    width: 4px;
    background: var(--border-color);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    padding-left: 70px; 
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: 0;
    top: 15px; 
    width: 48px;
    height: 48px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 800;
    font-size: 1.3rem;
    box-shadow: 0 0 0 8px var(--light-bg); 
    z-index: 2;
}

.timeline-content {
    text-align: left;
    padding: 25px 30px;
}

.timeline-content h3 {
    margin-bottom: 10px;
    font-size: 1.3rem;
    color: var(--primary-color);
}

.timeline-content p {
    color: #64748b;
    margin-bottom: 0;
}

.bg-light .timeline-dot {
    box-shadow: 0 0 0 8px var(--light-bg);
}