/* ===== VARIABLES ===== */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #10b981;
    --github-color: #333333;
    --linkedin-color: #0077b5;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --bg-color: #ffffff;
    --bg-light: #f8fafc;
    --border-color: #e5e7eb;
    --white: #ffffff;
    
    --font-normal: 1rem;
    --font-small: 0.875rem;
    --font-large: 1.25rem;
    --font-xlarge: 2rem;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--bg-color);
}

ul {
    list-style: none;
}

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

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

/* ===== LAYOUT ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section {
    padding: var(--spacing-xl) 0;
}

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

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

.nav__logo {
    font-size: var(--font-large);
    font-weight: 700;
    color: var(--primary-color);
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav__list {
    display: flex;
    gap: var(--spacing-md);
}

.nav__link {
    font-weight: 500;
    transition: color 0.3s ease;
    padding: var(--spacing-xs) var(--spacing-sm);
}

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

.nav__toggle,
.nav__close {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    background: none;
    border: none;
    color: var(--text-color);
}

/* ===== HOME SECTION ===== */
.home {
    background: var(--bg-light);
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 70px;
}

.home__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.home__title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.home__title-color {
    color: var(--primary-color);
}

.home__description {
    font-size: var(--font-large);
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
}

.home__buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.home__img {
    text-align: center;
}

.home__img img {
    border-radius: 1rem;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

/* ===== BUTTONS ===== */
.button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid var(--primary-color);
    text-align: center;
    justify-content: center;
}

.button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.button--secondary {
    background: transparent;
    color: var(--primary-color);
}

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

.button--cv {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
}

.button--cv:hover {
    background: #0da271;
    border-color: #0da271;
}

/* ===== ABOUT SECTION ===== */
.about__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about__img img {
    border-radius: 1rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.about__text h3 {
    font-size: var(--font-xlarge);
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.about__details {
    display: grid;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.about__detail {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-light);
    border-radius: 0.5rem;
}

.about__detail i {
    color: var(--primary-color);
    font-size: 1.25rem;
}

/* ===== SKILLS SECTION ===== */
.skills {
    background: var(--bg-light);
}

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

.skill__card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 1rem;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.skill__card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.skill__icon {
    width: 70px;
    height: 70px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.skill__icon i {
    font-size: 2rem;
    color: var(--white);
}

.skill__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}

.skill__description {
    color: var(--text-light);
    line-height: 1.6;
}

/* ===== WORK SECTION ===== */
.work__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.work__item {
    background: var(--white);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.work__item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.work__info {
    padding: var(--spacing-md);
}

.work__info h3 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-color);
}

.work__info p {
    color: var(--text-light);
}

/* ===== NEW CONTACT SECTION ===== */
.contact {
    background: var(--bg-light);
}

.contact__subtitle {
    text-align: center;
    font-size: var(--font-large);
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
}

/* Contact Info */
.contact__info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact__item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: 1rem;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.contact__item:hover {
    transform: translateY(-3px);
    border-color: var(--primary-color);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.contact__icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact__icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.contact__content {
    flex: 1;
}

.contact__content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-color);
}

.contact__content p {
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
}

.contact__link {
    color: var(--primary-color);
    font-weight: 500;
    transition: color 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.contact__link:hover {
    color: var(--primary-dark);
}

/* Contact Social */
.contact__social {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: 1rem;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    height: fit-content;
}

.contact__social-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-color);
    text-align: center;
}

/* Social Links */
.social-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.social-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    transition: all 0.3s ease;
    background: var(--white);
}

.social-link:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.social-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.social-link:hover .social-icon {
    transform: scale(1.1);
}

.social-link .social-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

/* GitHub specific */
.social-link[href*="github"] .social-icon {
    background: var(--github-color);
}

.social-link[href*="github"]:hover {
    border-color: var(--github-color);
}

/* LinkedIn specific */
.social-link[href*="linkedin"] .social-icon {
    background: var(--linkedin-color);
}

.social-link[href*="linkedin"]:hover {
    border-color: var(--linkedin-color);
}

.social-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.social-name {
    font-weight: 600;
    color: var(--text-color);
}

.social-handle {
    font-size: var(--font-small);
    color: var(--text-light);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--text-color);
    color: var(--white);
    text-align: center;
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.footer__content {
    margin-bottom: var(--spacing-lg);
}

.footer__text {
    font-size: var(--font-large);
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.footer__social {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.footer__link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: all 0.3s ease;
}

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

.footer__link i {
    font-size: 1.25rem;
}

.footer__copy {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-small);
}

/* ===== SECTION TITLE ===== */
.section__title {
    text-align: center;
    font-size: var(--font-xlarge);
    margin-bottom: var(--spacing-md);
    color: var(--text-color);
}

.section__title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: var(--spacing-sm) auto;
    border-radius: 2px;
}

/* ===== RESPONSIVE DESIGN ===== */

/* Tablets */
@media screen and (max-width: 968px) {
    .home__container,
    .about__content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .home__img {
        order: -1;
    }
    
    .home__buttons {
        justify-content: center;
    }
    
    .skills__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

/* Mobile */
@media screen and (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: var(--white);
        box-shadow: -5px 0 15px rgba(0,0,0,0.1);
        transition: right 0.3s ease;
        flex-direction: column;
        justify-content: flex-start;
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .nav__menu.show-menu {
        right: 0;
    }
    
    .nav__list {
        flex-direction: column;
        gap: var(--spacing-lg);
        width: 100%;
    }
    
    .nav__link {
        display: block;
        padding: var(--spacing-sm);
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav__toggle,
    .nav__close {
        display: block;
    }
    
    .nav__close {
        position: absolute;
        top: var(--spacing-md);
        right: var(--spacing-md);
    }
    
    .home {
        padding-top: 80px;
    }
    
    .home__title {
        font-size: clamp(1.5rem, 6vw, 2.5rem);
    }
    
    .section {
        padding: var(--spacing-lg) 0;
    }
    
    .skills__grid {
        grid-template-columns: 1fr;
    }
    
    .home__buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .button {
        width: 100%;
        max-width: 280px;
    }
    
    .contact__item {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
    
    .social-link {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-lg);
    }
    
    .social-info {
        align-items: center;
    }
}

/* Small Mobile */
@media screen and (max-width: 480px) {
    .skill__card {
        padding: var(--spacing-md);
    }
    
    .home__buttons .button {
        max-width: 100%;
    }
    
    .contact__social {
        padding: var(--spacing-lg);
    }
    
    .contact__item {
        padding: var(--spacing-md);
    }
}