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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

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

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.8rem; }
h4 { font-size: 1.4rem; }
h5 { font-size: 1.2rem; }
h6 { font-size: 1rem; }

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

/* Utility Classes */
.text-accent {
    color: #ff6b35;
}

.section-subtitle {
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #ff6b35;
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #333;
}

.section-text {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 0.95rem;
}

.btn--primary {
    background-color: #ff6b35;
    color: white;
}

.btn--primary:hover {
    background-color: #e55a2b;
    transform: translateY(-2px);
}

.btn--secondary {
    background-color: transparent;
    color: #333;
    border: 2px solid #333;
}

.btn--secondary:hover {
    background-color: #333;
    color: white;
}

.btn--full {
    width: 100%;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

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

.nav__logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: #333;
}

.nav__menu {
    display: flex;
    gap: 2rem;
}

.nav__link {
    color: #666;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav__link:hover,
.nav__link.active {
    color: #ff6b35;
}

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

.nav__toggle span {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.hero__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero__subtitle {
    font-size: 1rem;
    font-weight: 500;
    color: #ff6b35;
    margin-bottom: 1rem;
}

.hero__title {
    font-size: 3.8rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: #333;
}

.hero__description {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero__buttons {
    display: flex;
    gap: 1rem;
}

.hero__image {
    display: flex;
    justify-content: center;
}

.hero__img {
    width: 400px;
    height: 400px;
    border-radius: 50%;
    object-fit: cover;
    border: 8px solid white;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Skills Section */
.skills {
    padding: 80px 0;
    background-color: white;
}

.skills__header {
    text-align: center;
    margin-bottom: 4rem;
}

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

.skill-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    text-align: center;
}

.skill-card:hover {
    transform: translateY(-5px);
}

.skill-card__icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.skill-card__title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #333;
}

.skill-card__text {
    color: #666;
    line-height: 1.6;
}

/* Page Hero */
.page-hero {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    text-align: center;
}

.page-hero__title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #333;
}

.page-hero__text {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* About Content */
.about-content {
    padding: 80px 0;
}

.about-content__grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-content__text h2 {
    margin-bottom: 1.5rem;
    color: #333;
}

.about-content__text h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: #333;
}

.education-item {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 8px;
}

.education-item h4 {
    color: #333;
    margin-bottom: 0.5rem;
}

.certifications-list {
    list-style: disc;
    margin-left: 1.5rem;
}

.certifications-list li {
    margin-bottom: 0.5rem;
    color: #666;
}

.about-content__image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Skills Detail */
.skills-detail {
    padding: 80px 0;
    background: #f8f9fa;
}

.skills-detail__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.skill-category {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.skill-category h3 {
    margin-bottom: 1.5rem;
    color: #333;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    background: #ff6b35;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Services Grid */
.services-grid {
    padding: 80px 0;
}

.services-grid__items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-card__icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.service-card__title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.service-card__text {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-card__features {
    list-style: none;
}

.service-card__features li {
    padding: 0.5rem 0;
    color: #666;
    border-bottom: 1px solid #eee;
}

.service-card__features li:last-child {
    border-bottom: none;
}

.service-card__features li:before {
    content: "✓";
    color: #ff6b35;
    font-weight: bold;
    margin-right: 0.5rem;
}

/* Process Section */
.process {
    padding: 80px 0;
    background: #f8f9fa;
}

.process__header {
    text-align: center;
    margin-bottom: 4rem;
}

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

.process-step {
    text-align: center;
    padding: 2rem;
}

.process-step__number {
    width: 60px;
    height: 60px;
    background: #ff6b35;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.process-step__title {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: #333;
}

.process-step__text {
    color: #666;
    line-height: 1.6;
}

/* Projects Grid */
.projects-grid {
    padding: 80px 0;
}

.projects-grid__items {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.project-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
}

.project-card__image {
    height: 250px;
    background: linear-gradient(135deg, #ff6b35 0%, #ff8a65 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-card__overlay {
    text-align: center;
    color: white;
}

.project-card__overlay h3 {
    font-size: 1.8rem;
    font-weight: 600;
}

.project-card__content {
    padding: 2rem;
}

.project-card__meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.project-card__year,
.project-card__type {
    background: #f8f9fa;
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    font-size: 0.85rem;
    color: #666;
}

.project-card__title {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    color: #333;
}

.project-card__description {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.project-card__tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tech-tag {
    background: #ff6b35;
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 16px;
    font-size: 0.8rem;
    font-weight: 500;
}

.project-card__features h4 {
    color: #333;
    margin-bottom: 0.5rem;
}

.project-card__features ul {
    list-style: none;
}

.project-card__features li {
    padding: 0.3rem 0;
    color: #666;
}

.project-card__features li:before {
    content: "•";
    color: #ff6b35;
    font-weight: bold;
    margin-right: 0.5rem;
}

/* Technologies Section */
.technologies {
    padding: 80px 0;
    background: #f8f9fa;
}

.technologies__header {
    text-align: center;
    margin-bottom: 4rem;
}

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

.tech-category {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.tech-category h3 {
    margin-bottom: 1.5rem;
    color: #333;
}

.tech-icons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.tech-icon {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 8px;
    font-weight: 500;
    color: #666;
    transition: all 0.3s ease;
}

.tech-icon:hover {
    background: #ff6b35;
    color: white;
    transform: translateY(-2px);
}

/* Contact Content */
.contact-content {
    padding: 80px 0;
}

.contact-content__grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
}

.contact-info h2 {
    margin-bottom: 2rem;
    color: #333;
}

.contact-item {
    margin-bottom: 2rem;
}

.contact-item h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.contact-item a {
    color: #ff6b35;
    font-weight: 500;
}

.contact-item a:hover {
    text-decoration: underline;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    background: #f8f9fa;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    color: #666;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #ff6b35;
    color: white;
}

/* Contact Form */
.contact-form h2 {
    margin-bottom: 2rem;
    color: #333;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #333;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid #e9ecef;
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #ff6b35;
}

/* Services CTA */
.services-cta {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.services-cta__content h2 {
    margin-bottom: 1rem;
    color: #333;
}

.services-cta__content p {
    margin-bottom: 3rem;
    font-size: 1.1rem;
    color: #666;
}

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

.service-cta-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.service-cta-item h3 {
    margin-bottom: 1rem;
    color: #333;
}

.service-cta-item p {
    color: #666;
    line-height: 1.6;
}

/* CTA Section */
.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #ff6b35 0%, #ff8a65 100%);
    color: white;
    text-align: center;
}

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

.cta__text {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

.cta .btn--primary {
    background: white;
    color: #ff6b35;
}

.cta .btn--primary:hover {
    background: #f8f9fa;
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: #333;
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer__info h3 {
    margin-bottom: 0.5rem;
    color: white;
}

.footer__info p {
    color: #ccc;
    margin-bottom: 0.3rem;
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer__links a {
    color: #ccc;
    transition: color 0.3s ease;
}

.footer__links a:hover {
    color: #ff6b35;
}

.footer__social {
    display: flex;
    gap: 1rem;
}

.footer__social a {
    color: #ccc;
    padding: 0.5rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.footer__social a:hover {
    color: #ff6b35;
    background: rgba(255, 107, 53, 0.1);
}

.footer__bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #555;
}

.footer__bottom p {
    color: #ccc;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav__menu {
        display: none;
    }
    
    .nav__toggle {
        display: flex;
    }
    
    .hero__content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero__title {
        font-size: 2.5rem;
    }
    
    .hero__buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .about-content__grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-content__grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .skills__grid,
    .services-grid__items,
    .process__steps,
    .technologies__grid,
    .services-cta__grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .page-hero__title {
        font-size: 2.2rem;
    }
    
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .hero__title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .skill-card,
    .service-card,
    .project-card__content {
        padding: 1.5rem;
    }
}