:root {
    --primary: #2563eb;
    --secondary: #0f172a;
    --accent: #0ea5e9;
    --light: #f8fafc;
    --dark: #1e293b;
    --success: #10b981;
    --gradient: linear-gradient(135deg, #2563eb 0%, #0ea5e9 100%);
    --gradient-dark: linear-gradient(135deg, #1e40af 0%, #0284c7 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--light);
    color: var(--secondary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Top Bar */
.top-bar {
    background-color: var(--secondary);
    color: white;
    padding: 8px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.contact-mail a {
    color: var(--light);
    text-decoration: none;
    transition: color 0.3s;
}

.contact-mail a:hover {
    color: var(--accent);
}

/* .contact-info {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.3s;
}

.contact-info a:hover {
    color: white;
} */

.social-links a {
    color: white;
    margin-left: 15px;
    font-size: 1.1rem;
    transition: color 0.3s, transform 0.3s;
}

.social-links a:hover {
    color: var(--accent);
    transform: translateY(-3px);
}

/* Header */
header {
    padding: 20px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: all 0.3s ease;
}

header.scrolled {
    padding: 15px 5%;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-icon img {
    background: var(--gradient);
    width: 4rem;
    border-radius: 100%;
    padding: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.logo-text {
    color: var(--gradient-dark);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

nav a {
    text-decoration: none;
    color: var(--secondary);
    font-weight: 600;
    position: relative;
    padding-bottom: 5px;
    font-size: 1.1rem;
}

nav a:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient);
    transition: width 0.3s;
}

nav a:hover:after {
    width: 100%;
}

nav a.active:after {
    width: 100%;
}

.mobile-menu {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary);
}

/* Hero Section */
.hero {
    padding: 150px 5% 100px;
    background: var(--gradient-dark);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 20%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero p {
    font-size: 1.4rem;
    max-width: 800px;
    margin: 0 auto 40px;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    background-color: white;
    color: var(--primary);
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: transform 0.3s, box-shadow 0.3s, background 0.3s;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
    background: #f0f9ff;
}

.cta-button.secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
    margin-left: 15px;
}

.cta-button.secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Services */
.services {
    padding: 100px 5%;
    background-color: white;
}

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

.section-title h2 {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    /* background: var(--gradient); */
    border-radius: 2px;
}

.section-title p {
    color: var(--dark);
    max-width: 700px;
    margin: 20px auto 0;
    font-size: 1.1rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    background: var(--light);
    border-radius: 15px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
    overflow: hidden;
    border: 1px solid #e2e8f0;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card i {
    font-size: 3rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 25px;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--secondary);
}

.service-card p {
    color: var(--dark);
}

/* Skills */
.skills {
    padding: 100px 5%;
    background-color: #f1f5f9;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    max-width: 1200px;
    margin: 0 auto;
}

.skill-category {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
    border: 1px solid #e2e8f0;
}

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

.skill-category h3 {
    color: var(--primary);
    margin-bottom: 20px;
    text-align: center;
    font-size: 1.4rem;
    position: relative;
    padding-bottom: 10px;
}

.skill-category h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}

.skill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.skill-item {
    background: var(--light);
    padding: 8px 15px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dark);
    border: 1px solid #cbd5e1;
    transition: all 0.3s;
}

.skill-item:hover {
    background: var(--gradient);
    color: white;
    border-color: var(--primary);
    transform: translateY(-2px);
}

/* About Section */
.about {
    padding: 100px 5%;
    background-color: white;
    position: relative;
    overflow: hidden;
}

.about::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 90% 10%, rgba(37, 99, 235, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 10% 90%, rgba(14, 165, 233, 0.05) 0%, transparent 20%);
    z-index: 0;
}

.about-content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 25px;
    position: relative;
}

.about-text h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 80px;
    height: 4px;
    /* background: var(--gradient); */
    border-radius: 2px;
}

.about-text p {
    margin-bottom: 20px;
    color: var(--dark);
    font-size: 1.1rem;
}

.values-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.value-item {
    background: var(--light);
    padding: 20px;
    border-radius: 10px;
    border-left: 4px solid var(--primary);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
}

.value-item h4 {
    color: var(--primary);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.about-visual {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-element {
    position: relative;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
}

.circle-1 {
    width: 250px;
    height: 250px;
    top: -50px;
    left: -50px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
}

.circle-2 {
    width: 150px;
    height: 150px;
    bottom: -30px;
    right: -30px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.1) 0%, transparent 70%);
}

.tech-icons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    z-index: 2;
}

.tech-icon {
    background: white;
    width: 80px;
    height: 80px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.tech-icon:hover {
    transform: translateY(-5px);
}

/* Contact Section */
.contact {
    max-width: 1200px;
    margin: 0 auto;
    padding: 6rem;
    /* background-color: #f1f5f9; */
}

.contact-container {
    gap: 50px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info {
    background: var(--gradient);
    max-width: 1200px;
    /* margin: 0 auto; */
    color: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 15px;
}

.contact-info h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: white;
    border-radius: 2px;
}

.contact-details {
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
}

.contact-item i {
    font-size: 1.2rem;
    margin-right: 15px;
    margin-top: 5px;
    min-width: 20px;
}

.contact-social {
    display: flex;
    justify-content: space-around;
    /* gap: 15px; */
    /* margin-top: 30px; */
}

.contact-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: 50%;
    font-size: 1.2rem;
    transition: all 0.3s;
    text-decoration: none;
}

.contact-social a:hover {
    background: white;
    color: var(--primary);
    transform: translateY(-5px);
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    outline: none;
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

.submit-btn {
    background: var(--gradient);
    color: white;
    font-weight: 600;
    padding: 15px 30px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.1rem;
    transition: all 0.3s;
    width: 100%;
    margin-top: 10px;
}

.submit-btn:hover {
    background: var(--gradient-dark);
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
}

/* CTA Section */
.cta-section {
    padding: 100px 5%;
    text-align: center;
    background: var(--gradient-dark);
    color: white;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 20%);
    z-index: 0;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-section p {
    max-width: 700px;
    margin: 0 auto 40px;
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Footer */
footer {
    background-color: var(--secondary);
    color: white;
    padding: 60px 5% 30px;
    position: relative;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
    max-width: 1200px;
    margin: 0 auto 40px;
}

.footer-column h3 {
    font-size: 1.3rem;
    margin-bottom: 25px;
    color: var(--accent);
    position: relative;
    padding-bottom: 10px;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 15px;
}

.footer-links a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s;
    display: inline-block;
    padding: 5px 0;
}

.footer-links a:hover {
    color: var(--accent);
    transform: translateX(5px);
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #334155;
    color: #94a3b8;
    font-size: 0.9rem;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

/* Responsive */
@media (max-width: 992px) {
    .about-content {
        grid-template-columns: 1fr;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    nav ul {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
        gap: 15px;
    }

    nav ul.active {
        display: flex;
    }

    .mobile-menu {
        display: block;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .section-title h2 {
        font-size: 2rem;
    }

    .cta-section h2 {
        font-size: 2rem;
    }

    .cta-buttons {
        display: flex;
        flex-direction: column;
        gap: 15px;
    }

    .cta-button.secondary {
        margin-left: 0;
    }

    /* section.contact {
        margin: 0 1rem;
    } */
}

@media (max-width: 576px) {
    .top-bar {
        flex-direction: column;
        gap: 10px;
        text-align: center;
        padding: 10px 5%;
    }

    .values-list {
        grid-template-columns: 1fr;
    }

    section.contact {
        padding: 2rem 1rem;
    }
}