:root {
    --bg-dark: #0a0a0a;
    --bg-card: #141414;
    --text-main: #ffffff;
    --text-dim: #a0a0a0;
    --accent: #2e86de; /* Electric Blue */
    --accent-glow: rgba(46, 134, 222, 0.5);
    --border: rgba(255, 255, 255, 0.1);
    --font-family: 'Inter', sans-serif;
    --transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-family);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.container.narrow {
    max-width: 800px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

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

/* NAVBAR */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background-color: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding: 15px 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
}

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

.nav-links a {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-dim);
    letter-spacing: 1px;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-main);
}

.nav-contact a {
    font-size: 0.9rem;
}

.menu-toggle {
    display: none;
}

/* HERO */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    background-image: url('../images/hero_bg.png');
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(10,10,10,0.9) 30%, rgba(10,10,10,0.2) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    width: 100%;
}

.hero-role {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 4px;
    color: var(--text-dim);
    margin-bottom: 20px;
}

.hero-title {
    font-size: 5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 40px;
}

.hero-title .highlight {
    -webkit-text-stroke: 1px var(--text-main);
    color: transparent;
}

.hero-btns {
    display: flex;
    gap: 20px;
}

.btn {
    padding: 15px 35px;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    border-radius: 4px;
}

.btn-primary {
    background-color: var(--text-main);
    color: var(--bg-dark);
}

.btn-primary:hover {
    background-color: var(--accent);
    color: var(--text-main);
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn-outline {
    border: 1px solid var(--text-main);
    color: var(--text-main);
}

.btn-outline:hover {
    background-color: var(--text-main);
    color: var(--bg-dark);
}

.social-side {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.social-side a {
    color: var(--text-dim);
}

.social-side a:hover {
    color: var(--text-main);
    transform: translateY(-3px);
}

.scroll-down {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-dim);
    animation: bounce 2s infinite;
}

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

/* SECTIONS COMMON */
section {
    padding: 120px 0;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 40px;
    letter-spacing: 2px;
}

.section-title.centered {
    text-align: center;
}

/* ABOUT */
.about {
    background-color: var(--bg-dark);
}

.about-email {
    color: var(--accent);
    margin-bottom: 30px;
    font-weight: 600;
}

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

.location-box {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 40px;
    color: var(--text-dim);
}

.photo-wrapper {
    position: relative;
    padding: 20px;
}

.photo-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    border: 1px solid var(--accent);
    z-index: 0;
}

.photo-wrapper img {
    position: relative;
    z-index: 1;
    filter: grayscale(1);
    transition: var(--transition);
}

.photo-wrapper:hover img {
    filter: grayscale(0);
}

/* RESUME */
.resume {
    background-color: var(--bg-card);
}

.resume-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr 1fr;
    gap: 50px;
}

.resume-subtitle {
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 30px;
    color: var(--text-main);
    border-bottom: 2px solid var(--accent);
    display: inline-block;
    padding-bottom: 5px;
}

.mt-large { margin-top: 60px; }

.skill-item {
    margin-bottom: 25px;
}

.skill-item label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-dim);
}

.progress-bar {
    height: 4px;
    background-color: rgba(255,255,255,0.1);
    position: relative;
}

.progress {
    position: absolute;
    height: 100%;
    background-color: var(--accent);
    box-shadow: 0 0 10px var(--accent-glow);
    transition: width 1.5s cubic-bezier(0.25, 1, 0.5, 1);
}

.timeline {
    position: relative;
    padding-left: 30px;
    border-left: 1px solid var(--border);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-dot {
    position: absolute;
    left: -35px;
    top: 5px;
    width: 10px;
    height: 10px;
    background-color: var(--text-dim);
    border-radius: 50%;
}

.timeline-dot.highlight {
    background-color: var(--accent);
    box-shadow: 0 0 10px var(--accent-glow);
}

.timeline-content h4 {
    font-size: 1rem;
    margin-bottom: 5px;
}

.timeline-place {
    font-size: 0.8rem;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 15px;
}

.timeline-content p {
    font-size: 0.9rem;
    color: var(--text-dim);
}

.resume-list li {
    font-size: 0.9rem;
    color: var(--text-dim);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.resume-list li::before {
    content: '→';
    color: var(--accent);
}

.interests-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.interest-icon {
    background-color: var(--bg-dark);
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid var(--border);
}

.interest-icon:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* PORTFOLIO */
.portfolio-section {
    background-color: var(--bg-dark);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.portfolio-card {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
}

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

.portfolio-card .overlay {
    position: absolute;
    inset: 0;
    background: rgba(10,10,10,0.8);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition);
    transform: translateY(20px);
}

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

.portfolio-card:hover .overlay {
    opacity: 1;
    transform: translateY(0);
}

.portfolio-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.portfolio-card p {
    font-size: 0.8rem;
    color: var(--accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* CONTACT */
.contact-section {
    background-color: var(--bg-card);
}

.contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    background-color: var(--bg-dark);
    border: 1px solid var(--border);
    padding: 15px;
    color: var(--text-main);
    font-family: var(--font-family);
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.center { margin: 0 auto; display: block; }

/* FOOTER */
footer {
    padding: 40px 0;
    background-color: var(--bg-dark);
    border-top: 1px solid var(--border);
    text-align: center;
}

footer p {
    font-size: 0.8rem;
    color: var(--text-dim);
}

/* ANIMATIONS & UTILS */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: transform 0.8s ease-out, opacity 0.8s ease-out;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* MOBILE RESPONSIVE */
@media (max-width: 992px) {
    .section-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .resume-grid {
        grid-template-columns: 1fr;
    }
    .hero-title {
        font-size: 3.5rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--bg-dark);
        flex-direction: column;
        align-items: center;
        padding: 40px 0;
        border-bottom: 1px solid var(--border);
    }
    .nav-links.mobile-active {
        display: flex;
    }
    .nav-contact {
        display: none;
    }
    .menu-toggle {
        display: block;
        width: 30px;
        height: 20px;
        position: relative;
    }
    .menu-toggle span {
        position: absolute;
        width: 100%;
        height: 2px;
        background-color: var(--text-main);
        left: 0;
        transition: var(--transition);
    }
    .menu-toggle span:first-child { top: 0; }
    .menu-toggle span:last-child { bottom: 0; }
    
    .hero-title {
        font-size: 2.5rem;
    }
    .hero-btns {
        flex-direction: column;
    }
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    .contact-form .form-row {
        grid-template-columns: 1fr;
    }
}