/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2.2rem; }
h3 { font-size: 1.8rem; }
h4 { font-size: 1.4rem; }

p {
    margin-bottom: 1rem;
    color: #666;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 500;
    text-align: center;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background-color: #2c5aa0;
    color: white;
}

.btn-primary:hover {
    background-color: #1e3f7a;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: rgba(255, 255, 255, 0.8);
    border: 2px solid rgba(255, 255, 255, 0.8);
    /*color: #2c5aa0;
    border: 2px solid #2c5aa0;*/
}

.btn-secondary:hover {
    background-color: #2c5aa0;
    color: white;
    border: 2px solid #2c5aa0;
    transform: translateY(-2px);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
    width: 100%;
    box-sizing: border-box;
}

.header.scrolled {
    background: rgba(26, 26, 46, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

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

.logo {
    display: flex;
    align-items: center;
    color: white;
    text-decoration: none;
}

.logo h1 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    text-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
}

.logo img {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    margin-right: 10px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-menu a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s ease;
}

.nav-menu a:hover {
    color: #fff;
    transform: translateY(-2px);
}

.nav-menu a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.hamburger:hover span {
    background: #fff;
}

/* Hero Section */
.hero {
    position: relative;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
    min-height: 100vh;
    display: flex;
    align-items: center;
    width: 100%;
    box-sizing: border-box;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    box-sizing: border-box;
    overflow: hidden;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.2) 0%, transparent 50%);
    animation: particleFloat 20s ease-in-out infinite;
    box-sizing: border-box;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(26, 26, 46, 0.8) 0%, 
        rgba(22, 33, 62, 0.8) 50%, 
        rgba(15, 52, 96, 0.8) 100%);
    box-sizing: border-box;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    padding: 12px 24px;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out 0.5s both;
}

.hero-badge span {
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

.hero-title {
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out 0.7s both;
}

.title-line {
    display: block;
    font-size: 4.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 30px rgba(102, 126, 234, 0.3);
}

.title-subtitle {
    display: block;
    font-size: 1.8rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 0.5rem;
}

.hero-description {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    animation: fadeInUp 1s ease-out 0.9s both;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
    animation: fadeInUp 1s ease-out 1.1s both;
}

.hero-btn {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.hero-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

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

.btn-icon {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.hero-btn:hover .btn-icon {
    transform: translateX(4px);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 1.3s both;
}

.stat-item {
    text-align: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, background 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.1);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: fadeInUp 1s ease-out 1.5s both;
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: none;
    border-left: none;
    transform: rotate(45deg);
    animation: scrollBounce 2s infinite;
}

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

@keyframes particleFloat {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
    }
}

@keyframes scrollBounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) rotate(45deg);
    }
    40% {
        transform: translateY(-10px) rotate(45deg);
    }
    60% {
        transform: translateY(-5px) rotate(45deg);
    }
}

/* Section Styles */
.services, .portfolio, .testimonials, .blog, .contact {
    padding: 100px 0;
    position: relative;
    width: 100%;
    box-sizing: border-box;
}

.services {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.portfolio {
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
}

.testimonials {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
}

.blog {
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
}

.contact {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 4rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.text-wihte {
    color: rgba(255, 255, 255, 0.7);
}

.testimonials .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

/* Section Titles */
.services h2, .portfolio h2, .testimonials h2, .blog h2, .contact h2 {
    text-align: center;
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.testimonials h2 {
    color: white;
    -webkit-text-fill-color: white;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
    width: 100%;
    box-sizing: border-box;
}

.service-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 3rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s ease;
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    z-index: 10;
    position: relative;
}

.service-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    display: block;
    transition: transform 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-card h3 {
    color: #2c5aa0;
    margin-bottom: 1rem;
}

/* Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
    width: 100%;
    box-sizing: border-box;
}

.portfolio-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    background: white;
}

.portfolio-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
    z-index: 10;
    position: relative;
}

.portfolio-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

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

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(26, 26, 46, 0.95));
    color: white;
    padding: 3rem 2rem 2rem;
    transform: translateY(100%);
    transition: transform 0.4s ease;
    backdrop-filter: blur(10px);
}

.portfolio-item:hover .portfolio-overlay {
    transform: translateY(0);
}

.portfolio-overlay h3 {
    color: white;
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.portfolio-overlay p {
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    font-size: 1rem;
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
    width: 100%;
    box-sizing: border-box;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 3rem 2rem;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.4s ease;
}

.testimonial-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    z-index: 10;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    font-size: 5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: absolute;
    top: -15px;
    left: 20px;
    font-family: serif;
    font-weight: bold;
}

.testimonial-content {
    margin-bottom: 2rem;
    padding-top: 1rem;
}

.testimonial-content p {
    font-style: italic;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    font-size: 1.1rem;
    line-height: 1.6;
}

.testimonial-author h4 {
    color: #fff;
    margin-bottom: 0.25rem;
    font-size: 1.2rem;
    font-weight: 600;
}

.testimonial-author span {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

/* Blog Grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
    width: 100%;
    box-sizing: border-box;
}

.blog-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.blog-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    z-index: 10;
    position: relative;
}

.blog-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.blog-content {
    padding: 2rem;
}

.blog-content h3 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 600;
}

.read-more {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    margin-top: 1rem;
}

.read-more:hover {
    transform: translateX(5px);
    text-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 4rem;
    width: 100%;
    box-sizing: border-box;
}

.contact-info h3 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 2.5rem;
    font-size: 1.8rem;
    font-weight: 600;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
    gap: 1.5rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.contact-icon {
    font-size: 2rem;
    margin-top: 0.25rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.contact-icon-img {
    width: 2rem;
    height: 2rem;
    vertical-align: middle;
}

.contact-item h4 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.contact-item p {
    margin: 0;
    color: #666;
    font-size: 1rem;
}

/* Contact Form */
.contact-form {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: #333;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid rgba(102, 126, 234, 0.2);
    border-radius: 15px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
    z-index: 5;
    position: relative;
}

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

/* Footer */
.footer {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
    padding: 4rem 0 2rem;
    position: relative;
    width: 100%;
    box-sizing: border-box;
    margin-top: auto;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.5), transparent);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
    width: 100%;
    box-sizing: border-box;
}

.footer-section h3,
.footer-section h4 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

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

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

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.footer-section ul li a:hover {
    color: #fff;
    transform: translateX(5px);
    text-shadow: 0 0 10px rgba(102, 126, 234, 0.5);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.8);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(26, 26, 46, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .title-line {
        font-size: 3rem;
    }
    
    .title-subtitle {
        font-size: 1.4rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .stat-item {
        padding: 0.8rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .services-grid,
    .portfolio-grid,
    .testimonials-grid,
    .blog-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }

    .service-card,
    .testimonial-card,
    .blog-card {
        padding: 2rem 1.5rem;
    }

    .contact-form {
        padding: 2rem 1.5rem;
    }

    .presupuesto-form input[type="number"] {
        width: 200px;
        padding: 15px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .title-line {
        font-size: 2.5rem;
    }
    
    .title-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .services, .portfolio, .testimonials, .blog, .contact {
        padding: 60px 0;
    }
    
    .service-card,
    .testimonial-card,
    .blog-card {
        padding: 1.5rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

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

/* Staggered animations for grid items */
.service-card.fade-in,
.portfolio-item.fade-in,
.testimonial-card.fade-in,
.blog-card.fade-in {
    transition-delay: 0s;
}

.service-card.fade-in.visible,
.portfolio-item.fade-in.visible,
.testimonial-card.fade-in.visible,
.blog-card.fade-in.visible {
    transition-delay: inherit;
}

/* Form Validation Styles */
.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: #dc3545;
}

.form-group.success input,
.form-group.success select,
.form-group.success textarea {
    border-color: #28a745;
}

.error-message {
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.success-message {
    color: #28a745;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Loading States */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.loading {
    position: relative;
    color: transparent;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #fff;
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
} 

/* Presupuesto Section */
.presupuesto-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 100px 0;
    text-align: center;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease;
    position: relative;
    width: 100%;
    box-sizing: border-box;
}

.presupuesto-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="10" cy="60" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="90" cy="40" r="0.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.presupuesto-section.visible {
    opacity: 1;
    transform: translateY(0);
}

.presupuesto-form {
    max-width: 600px;
    margin: 4rem auto 0;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.presupuesto-form label {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.presupuesto-form input[type="number"] {
    width: 250px;
    padding: 20px;
    border: none;
    border-radius: 15px;
    font-size: 1.2rem;
    text-align: center;
    background: rgba(255, 255, 255, 0.95);
    color: #333;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.presupuesto-form input[type="number"]:focus {
    outline: none;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    transform: translateY(-2px);
    z-index: 5;
    position: relative;
}

.presupuesto-resultado {
    margin-top: 3rem;
    padding: 3rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    font-size: 1.5rem;
    font-weight: 600;
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 0.6s ease-out;
}

.presupuesto-nota {
    margin-top: 2rem;
    font-size: 1rem;
    opacity: 0.8;
    font-style: italic;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* Animación slide-in para la sección de presupuesto */
@keyframes slideInUp {
    0% {
        opacity: 0;
        transform: translateY(60px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}
.slide-in.visible {
    animation: slideInUp 0.8s cubic-bezier(0.23, 1, 0.32, 1) forwards;
} 

article h2 {
    margin-top: 2rem;
}