:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #06b6d4;
    --accent-color: #f59e0b;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #0f172a;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 24px;
    font-weight: 700;
}

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

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

.nav-menu {
    display: flex;
    gap: 40px;
}

.language-switcher {
    display: flex;
    gap: 8px;
    margin-left: 20px;
}

.lang-btn {
    padding: 6px 12px;
    border: 2px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
}

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

.lang-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: var(--transition);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: var(--transition);
}

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    max-width: 1200px;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.hero-text {
    animation: slideInLeft 1s ease-out;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
}

.title-line {
    display: block;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    padding: 14px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    border: none;
    font-size: 16px;
}

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

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

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

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

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

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

.hero-visual {
    position: relative;
    animation: slideInRight 1s ease-out;
}

.floating-shapes {
    position: relative;
    width: 400px;
    height: 400px;
}

.shape {
    position: absolute;
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-color), #ef4444);
    top: 60%;
    right: 20%;
    animation-delay: 2s;
}

.shape-3 {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    bottom: 10%;
    left: 60%;
    animation-delay: 4s;
}

.shape-4 {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #10b981, var(--accent-color));
    top: 40%;
    left: 70%;
    animation-delay: 1s;
}

.shape-5 {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, #8b5cf6, #a855f7);
    top: 10%;
    right: 15%;
    animation-delay: 3s;
}

.shape-6 {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #f97316, var(--accent-color));
    bottom: 30%;
    right: 5%;
    animation-delay: 5s;
}

.shape-7 {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #06b6d4, #0891b2);
    top: 70%;
    left: 20%;
    animation-delay: 2.5s;
}

.shape-8 {
    width: 35px;
    height: 35px;
    background: linear-gradient(135deg, #ec4899, #be185d);
    top: 25%;
    right: 40%;
    animation-delay: 4.5s;
}

.shape-9 {
    width: 110px;
    height: 110px;
    background: linear-gradient(135deg, var(--primary-color), #7c3aed);
    bottom: 20%;
    right: 30%;
    animation-delay: 1.5s;
}

.shape-10 {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #22c55e, #16a34a);
    top: 50%;
    left: 5%;
    animation-delay: 6s;
}

.shape-11 {
    width: 85px;
    height: 85px;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    bottom: 5%;
    left: 80%;
    animation-delay: 3.5s;
}

.shape-12 {
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, #6366f1, #4f46e5);
    top: 80%;
    right: 60%;
    animation-delay: 0.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    animation: bounce 2s infinite;
}

.scroll-text {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 8px;
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, var(--primary-color), transparent);
    margin: 0 auto;
}

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

section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    margin: 0 auto;
    border-radius: 2px;
}

.about {
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-description {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.code-preview {
    perspective: 1000px;
}

.code-window {
    background: var(--bg-dark);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transform: rotateY(-5deg) rotateX(5deg);
    transition: var(--transition);
}

.code-window:hover {
    transform: rotateY(0deg) rotateX(0deg);
}

.code-header {
    background: #1e293b;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.code-dots {
    display: flex;
    gap: 8px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.code-title {
    color: #94a3b8;
    font-size: 14px;
    font-family: 'Monaco', 'Menlo', monospace;
}

.code-content {
    padding: 20px;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 14px;
    line-height: 1.6;
}

.code-keyword { color: #c084fc; }
.code-function { color: #60a5fa; }
.code-string { color: #34d399; }
.code-comment { color: #6b7280; }

.stack-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    align-items: start;
}

.tech-category {
    background: var(--bg-primary);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

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

.category-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 30px;
    color: var(--text-primary);
}

.tech-items {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    align-items: stretch;
    flex: 1;
}

.stack-intro {
    text-align: center;
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.stack-description {
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.category-description {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 30px;
    line-height: 1.6;
}

.tech-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    height: 100%;
}

.tech-item:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.tech-item:hover .tech-description {
    color: rgba(255, 255, 255, 0.9);
}

.tech-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: white;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}

.tech-item:hover .tech-icon {
    background: white;
    color: var(--primary-color);
}

.tech-content {
    flex: 1;
}

.tech-name {
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 8px;
}

.tech-description {
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-secondary);
    transition: var(--transition);
}

.stack-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
}

.stack-stats .stat-item {
    text-align: center;
    padding: 30px 20px;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.stack-stats .stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stack-stats .stat-label {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.stack-stats .stat-description {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.contacts {
    background: linear-gradient(135deg, var(--bg-dark), #1e293b);
    color: white;
}

.contacts-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-form {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px;
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #e2e8f0;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.05);
    color: white;
    font-family: inherit;
    font-size: 16px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-icon {
    font-size: 32px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
}

.contact-details h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
    color: #e2e8f0;
}

.contact-details p {
    color: #94a3b8;
}

.payment-plans {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.plan-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 2px solid transparent;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

.plan-featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.plan-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 8px 16px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom-left-radius: var(--radius);
}

.plan-header {
    margin-bottom: 30px;
}

.plan-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.plan-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.plan-features {
    margin-bottom: 30px;
}

.feature {
    padding: 8px 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.feature:last-child {
    border-bottom: none;
}

.payment-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    background: var(--bg-secondary);
    padding: 40px;
    border-radius: var(--radius-lg);
}

.payment-methods h4,
.payment-terms h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.methods-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.method {
    padding: 16px;
    background: var(--bg-primary);
    border-radius: var(--radius);
    text-align: center;
    font-weight: 500;
    box-shadow: var(--shadow);
}

.payment-terms ul {
    list-style: none;
}

.payment-terms li {
    padding: 8px 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 20px;
}

.payment-terms li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.footer {
    background: var(--bg-dark);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-social {
    display: flex;
    gap: 16px;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #94a3b8;
}

@media (max-width: 768px) {
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-menu a {
        padding: 10px 0;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-toggle {
        display: flex;
    }

    .language-switcher {
        margin-left: 0;
        margin-bottom: 10px;
        justify-content: center;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-cta {
        justify-content: center;
    }

    .floating-shapes {
        width: 300px;
        height: 300px;
    }

    .about-content,
    .contacts-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .stack-grid {
        grid-template-columns: 1fr;
    }

    .tech-items {
        grid-template-columns: 1fr;
    }

    .payment-plans {
        grid-template-columns: 1fr;
    }

    .payment-info {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

.message-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 16px 24px;
    border-radius: var(--radius);
    color: white;
    font-weight: 500;
    z-index: 10000;
    transform: translateX(100%);
    opacity: 0;
    transition: var(--transition);
    max-width: 400px;
}

.message-notification.show {
    transform: translateX(0);
    opacity: 1;
}

.message-notification.success {
    background: linear-gradient(135deg, #10b981, #059669);
}

.message-notification.error {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

.animate-in {
    opacity: 1 !important;
    animation: fadeInUp 0.6s ease-out forwards;
}

.tech-category.animate-in {
    animation: slideInUp 0.6s ease-out forwards;
}

.plan-card.animate-in {
    animation: scaleIn 0.6s ease-out forwards;
}

.blog-post.animate-in {
    animation: fadeInUp 0.6s ease-out forwards;
}

.contact-form.animate-in {
    animation: slideInLeft 0.8s ease-out forwards;
}

.contact-info.animate-in {
    animation: slideInRight 0.8s ease-out forwards;
}

.section-title.animate-in {
    animation: fadeInDown 0.6s ease-out forwards;
}

.code-window.animate-in {
    animation: rotateIn 0.8s ease-out forwards;
}

.stat-item.animate-in {
    animation: scaleIn 0.6s ease-out forwards;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotate(-10deg) scale(0.8);
    }
    to {
        opacity: 1;
        transform: rotate(0deg) scale(1);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.tech-category,
.plan-card,
.blog-post,
.contact-item,
.stat-item,
.form-group,
.method,
.payment-terms li,
.stack-intro,
.blog-intro,
.payment-info,
.blog-cta,
.contact-form,
.contact-info,
.section-title,
.code-window {
    opacity: 0;
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.code-window {
    animation: rotateIn 0.8s ease-out forwards;
}

.btn {
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

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

.plan-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: opacity 0.3s;
    z-index: -1;
}

.plan-card:hover::before {
    opacity: 0.05;
}

.blog-post .post-image {
    position: relative;
    overflow: hidden;
}

.blog-post .post-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(6, 182, 212, 0.1));
    opacity: 0;
    transition: opacity 0.3s;
}

.blog-post:hover .post-image::after {
    opacity: 1;
}

.tech-category {
    position: relative;
}

.tech-category::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: opacity 0.3s;
    z-index: -1;
}

.tech-category:hover::after {
    opacity: 0.05;
}

.method {
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.method::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(99, 102, 241, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.method:hover::before {
    width: 300px;
    height: 300px;
}

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

.payment-terms li {
    opacity: 0;
    animation: slideInLeft 0.5s ease-out forwards;
}

.payment-terms li:nth-child(1) { animation-delay: 0.1s; }
.payment-terms li:nth-child(2) { animation-delay: 0.2s; }
.payment-terms li:nth-child(3) { animation-delay: 0.3s; }
.payment-terms li:nth-child(4) { animation-delay: 0.4s; }

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

.form-group {
    opacity: 0;
    animation: fadeInUp 0.5s ease-out forwards;
}

.form-group:nth-child(1) { animation-delay: 0.1s; }
.form-group:nth-child(2) { animation-delay: 0.2s; }
.form-group:nth-child(3) { animation-delay: 0.3s; }

.section-divider {
    width: 0;
    transition: width 0.8s ease-out;
}

.section-header.animate-in .section-divider {
    width: 60px;
}

@keyframes expandWidth {
    from {
        width: 0;
    }
    to {
        width: 60px;
    }
}

.stack-intro.animate-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.blog-intro.animate-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.payment-info.animate-in {
    animation: fadeInUp 0.8s ease-out forwards;
}

.blog-cta.animate-in {
    animation: scaleIn 0.8s ease-out forwards;
}

.scrolled {
    background: rgba(255, 255, 255, 0.98) !important;
    box-shadow: var(--shadow) !important;
}

.blog {
    background: var(--bg-secondary);
}

.blog-intro {
    text-align: center;
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.blog-description {
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.blog-post {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.blog-post.featured {
    grid-column: span 2;
}

.blog-post.featured .post-content {
    padding: 40px;
}

.post-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

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

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

.post-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 6px 12px;
    border-radius: var(--radius);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.post-content {
    padding: 30px;
}

.post-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    font-size: 14px;
}

.post-date {
    color: var(--text-secondary);
}

.post-category {
    background: var(--primary-color);
    color: white;
    padding: 4px 12px;
    border-radius: var(--radius);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 12px;
}

.post-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.4;
    color: var(--text-primary);
}

.post-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.post-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.tag {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 4px 10px;
    border-radius: var(--radius);
    font-size: 12px;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

.blog-post:hover .tag {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.blog-cta {
    text-align: center;
    background: var(--bg-primary);
    padding: 60px 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.blog-cta h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.blog-cta p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 30px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.newsletter {
    display: flex;
    gap: 16px;
    max-width: 500px;
    margin: 0 auto;
    flex-wrap: wrap;
    justify-content: center;
}

.newsletter-input {
    flex: 1;
    min-width: 250px;
    padding: 14px 20px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 16px;
    transition: var(--transition);
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.newsletter-btn {
    padding: 14px 28px;
}

@media (max-width: 768px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .blog-post.featured {
        grid-column: span 1;
    }

    .blog-post.featured .post-content {
        padding: 30px;
    }

    .post-title {
        font-size: 1.25rem;
    }

    .newsletter {
        flex-direction: column;
        align-items: stretch;
    }

    .newsletter-input {
        min-width: auto;
    }
}