:root {
    --rose: #E1ADB1;
    --rose-dim: rgba(225, 173, 177, 0.15);
    --rose-glow: rgba(225, 173, 177, 0.3);
    --bg: #0a0a0a;
    --bg2: #111111;
    --bg3: #181818;
    --text: #f0ece8;
    --text-muted: #888;
    --border: rgba(225, 173, 177, 0.2);
    --nav-width: 220px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
    font-weight: 300;
    line-height: 1.7;
}

/* ── SIDEBAR ── */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--nav-width);
    height: 100vh;
    background: var(--bg2);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem 1rem;
    z-index: 100;
    overflow-y: auto;
}

.sidebar-logo {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 0 0 2px var(--rose), 0 0 20px var(--rose-glow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 1rem;
}

.sidebar-logo:hover {
    transform: scale(1.05);
    box-shadow: 0 0 0 2px var(--rose), 0 0 32px var(--rose-glow);
}

.sidebar-name {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1rem;
    font-weight: 400;
    text-align: center;
    color: var(--rose);
    letter-spacing: 0.5px;
    margin-bottom: 0.25rem;
}

.sidebar-role {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-align: center;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 2rem;
}

.sidebar nav {
    width: 100%;
}

.sidebar nav ul {
    list-style: none;
    width: 100%;
}

.sidebar nav ul li a {
    display: block;
    padding: 0.6rem 1rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.8rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: 4px;
    transition: all 0.2s ease;
    border-left: 2px solid transparent;
}

.sidebar nav ul li a:hover,
.sidebar nav ul li a.active {
    color: var(--rose);
    background: var(--rose-dim);
    border-left-color: var(--rose);
}

/* Lang toggle */
.lang-toggle {
    margin-top: auto;
    padding-top: 2rem;
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.lang-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.7rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 0.35rem 0.7rem;
    border-radius: 3px;
    cursor: pointer;
    font-family: 'DM Sans', sans-serif;
    transition: all 0.2s ease;
}

.lang-btn.active,
.lang-btn:hover {
    border-color: var(--rose);
    color: var(--rose);
    background: var(--rose-dim);
}

/* ── MAIN ── */
.main {
    margin-left: var(--nav-width);
    min-height: 100vh;
}

/* ── HERO ── */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 4rem 5rem;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
}

.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(225, 173, 177, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero-tag {
    font-size: 0.7rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--rose);
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeUp 0.6s ease 0.2s forwards;
}

.hero-name {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(3rem, 7vw, 6rem);
    font-weight: 300;
    line-height: 1.05;
    letter-spacing: -1px;
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeUp 0.6s ease 0.4s forwards;
}

.hero-name em {
    font-style: italic;
    color: var(--rose);
}

.hero-bio {
    max-width: 520px;
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 2.5rem;
    opacity: 0;
    animation: fadeUp 0.6s ease 0.6s forwards;
}

.hero-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeUp 0.6s ease 0.8s forwards;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1.4rem;
    border-radius: 3px;
    font-size: 0.75rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    text-decoration: none;
    font-family: 'DM Sans', sans-serif;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--rose);
    color: #0a0a0a;
    font-weight: 500;
}

.btn-primary:hover {
    background: #f0c4c7;
    box-shadow: 0 0 20px var(--rose-glow);
}

.btn-outline {
    border: 1px solid var(--border);
    color: var(--text-muted);
    background: none;
}

.btn-outline:hover {
    border-color: var(--rose);
    color: var(--rose);
    background: var(--rose-dim);
}

/* ── SECTIONS ── */
.section {
    padding: 5rem;
    border-bottom: 1px solid var(--border);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.section-label {
    font-size: 0.65rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--rose);
    margin-bottom: 0.5rem;
}

.section-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 3rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

/* About */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.about-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    padding: 1rem;
    background: var(--bg3);
    border-radius: 4px;
    border-left: 2px solid var(--rose);
}

.detail-label {
    font-size: 0.65rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--rose);
}

.detail-value {
    font-size: 0.9rem;
    color: var(--text);
}

/* Timeline */
.timeline {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.timeline-item {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 2rem;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 180px;
    top: 8px;
    bottom: -2rem;
    width: 1px;
    background: var(--border);
}

.timeline-item:last-child::before {
    display: none;
}

.timeline-date {
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    padding-top: 0.2rem;
    text-align: right;
}

.timeline-content {
    padding-left: 2rem;
    position: relative;
}

.timeline-content::before {
    content: '';
    position: absolute;
    left: -4px;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--rose);
    box-shadow: 0 0 8px var(--rose-glow);
}

.timeline-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 0.25rem;
}

.timeline-org {
    font-size: 0.75rem;
    color: var(--rose);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.timeline-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.skill-group h3 {
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--rose);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

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

.tag {
    font-size: 0.75rem;
    padding: 0.3rem 0.7rem;
    border: 1px solid var(--border);
    border-radius: 2px;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    transition: all 0.2s ease;
}

.tag:hover {
    border-color: var(--rose);
    color: var(--rose);
    background: var(--rose-dim);
}

/* Projects */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.project-card {
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1.75rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--rose), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover {
    border-color: var(--rose);
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.project-card:hover::before {
    opacity: 1;
}

.project-card.featured {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.project-name {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.4rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
}

.project-type {
    font-size: 0.65rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--rose);
    margin-bottom: 0.75rem;
}

.project-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1.25rem;
}

.project-links {
    display: flex;
    gap: 0.75rem;
}

.project-link {
    font-size: 0.7rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-muted);
    text-decoration: none;
    border-bottom: 1px solid var(--border);
    padding-bottom: 1px;
    transition: all 0.2s ease;
}

.project-link:hover {
    color: var(--rose);
    border-bottom-color: var(--rose);
}

/* Languages */
.languages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.language-card {
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1.25rem;
    text-align: center;
    transition: all 0.2s ease;
}

.language-card:hover {
    border-color: var(--rose);
    background: var(--rose-dim);
}

.language-name {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.language-level {
    font-size: 0.65rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--rose);
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-text {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.8;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 4px;
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.85rem;
    transition: all 0.2s ease;
}

.contact-link:hover {
    border-color: var(--rose);
    color: var(--rose);
    background: var(--rose-dim);
}

.contact-link-label {
    font-size: 0.65rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--rose);
    display: block;
    margin-bottom: 0.1rem;
}

/* Footer */
footer {
    margin-left: var(--nav-width);
    padding: 2rem 5rem;
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    border-top: 1px solid var(--border);
}

/* Animations */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: static;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        padding: 1rem;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }

    .sidebar-logo {
        width: 40px;
        height: 40px;
        margin: 0 0.6rem 0 0;
    }

    .sidebar-role {
        display: none;
    }

    .sidebar nav ul {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.25rem;
    }

    .lang-toggle {
        margin: 0;
        padding: 0;
    }

    .main,
    footer {
        margin-left: 0;
    }

    .hero {
        padding: 3rem 2rem;
        min-height: auto;
    }

    .section {
        padding: 3rem 2rem;
    }

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

    .skills-grid {
        grid-template-columns: 1fr 1fr;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .project-card.featured {
        grid-column: span 1;
        grid-template-columns: 1fr;
    }

    .timeline-item {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .timeline-item::before {
        display: none;
    }

    .timeline-date {
        text-align: left;
    }

    .timeline-content {
        padding-left: 1rem;
    }

    .languages-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    footer {
        padding: 2rem;
    }
}