:root {
    --bg: #0f1020;
    --surface: #17182c;
    --surface-strong: #20223a;
    --ink: #f6f3ff;
    --muted: #a7a3ba;
    --line: rgba(196, 181, 253, 0.18);
    --accent: #8b5cf6;
    --accent-dark: #c4b5fd;
    --warm: #38bdf8;
    --shadow: 0 24px 70px rgba(2, 6, 23, 0.38);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    background:
        radial-gradient(circle at 16% 8%, rgba(139, 92, 246, 0.26), transparent 30rem),
        radial-gradient(circle at 92% 18%, rgba(56, 189, 248, 0.16), transparent 28rem),
        radial-gradient(circle at 50% 100%, rgba(109, 40, 217, 0.16), transparent 34rem),
        var(--bg);
    font-size: 18px;
    line-height: 1.65;
    font-family: "Elms Sans", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-optical-sizing: auto;
    font-style: normal;
}

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(15, 16, 32, 0.82);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(16px);
}

.nav {
    width: min(1120px, calc(100% - 40px));
    min-height: 80px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    order: 3;
}

.logo {
    color: var(--accent-dark);
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 0;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    margin: 0;
    padding: 0;
    list-style: none;
    color: var(--muted);
    font-size: 1.28rem;
}

.nav-links a {
    display: inline-flex;
    align-items: center;
    min-height: 50px;
}

.nav-links a:hover,
.nav-links a:focus-visible {
    color: var(--accent-dark);
}

.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--surface);
    cursor: pointer;
}

.language-switcher {
    display: inline-flex;
    padding: 4px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--line);
    border-radius: 999px;
}

.language-button {
    min-width: 46px;
    min-height: 36px;
    border: 0;
    border-radius: 999px;
    color: var(--muted);
    background: transparent;
    font: inherit;
    font-size: 0.9rem;
    font-weight: 800;
    cursor: pointer;
}

.language-button.is-active {
    color: white;
    background: linear-gradient(135deg, #8b5cf6, #6d28d9);
    box-shadow: 0 10px 24px rgba(109, 40, 217, 0.24);
}

.nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    margin: 4px auto;
    background: var(--ink);
}

.section {
    width: min(1120px, calc(100% - 40px));
    margin: 0 auto;
    padding: 96px 0;
}

.hero {
    min-height: calc(100vh - 80px);
    display: grid;
    grid-template-columns: minmax(0, 1fr) 380px;
    align-items: center;
    gap: 56px;
    padding-top: 54px;
    position: relative;
}

.hero-content {
    max-width: 760px;
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--accent);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero .eyebrow {
    font-size: clamp(1.1rem, 2vw, 1.45rem);
    margin-bottom: 18px;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    max-width: 760px;
    margin-bottom: 20px;
    font-size: clamp(4rem, 9vw, 7.4rem);
    line-height: 0.92;
    letter-spacing: 0;
}

h2 {
    margin-bottom: 0;
    font-size: clamp(2.5rem, 4.8vw, 4rem);
    line-height: 1;
    letter-spacing: 0;
}

h3 {
    margin-bottom: 8px;
    font-size: 1.35rem;
}

.skill-group h3,
.project-card h3,
.experience-item h3,
.info-card h3 {
    color: var(--ink);
}

.hero-text,
.summary {
    max-width: 780px;
    color: var(--muted);
    font-size: clamp(1.28rem, 2.4vw, 1.65rem);
}

.hero-actions,
.contact-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.button,
.contact-links a {
    display: inline-flex;
    min-height: 54px;
    align-items: center;
    justify-content: center;
    padding: 14px 22px;
    border-radius: 999px;
    border: 1px solid var(--line);
    font-weight: 700;
    font-size: 1.05rem;
    transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, color 180ms ease;
}

.button.primary {
    background: linear-gradient(135deg, #8b5cf6, #6d28d9);
    color: white;
    border-color: var(--accent);
    box-shadow: 0 16px 34px rgba(109, 40, 217, 0.32);
}

.button.secondary,
.contact-links a {
    background: rgba(255, 255, 255, 0.04);
}

.button:hover,
.contact-links a:hover {
    transform: translateY(-1px);
    border-color: var(--accent);
    box-shadow: 0 18px 36px rgba(109, 40, 217, 0.22);
}

.hero-side {
    display: grid;
    gap: 18px;
}

.profile-photo {
    min-height: 420px;
    margin: 0;
    position: relative;
    overflow: hidden;
    display: grid;
    place-items: center;
    background:
        linear-gradient(135deg, rgba(139, 92, 246, 0.22), rgba(56, 189, 248, 0.08)),
        var(--surface);
    border: 1px solid var(--line);
    border-radius: 24px;
    box-shadow: var(--shadow);
}

.profile-photo img {
    width: 100%;
    height: 100%;
    min-height: 420px;
    object-fit: cover;
    display: block;
}

.contact-card {
    display: grid;
    gap: 12px;
    padding: 28px;
    background:
        linear-gradient(135deg, rgba(139, 92, 246, 0.14), transparent 46%),
        rgba(23, 24, 44, 0.86);
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
    position: relative;
}

.contact-card p,
.contact-card a {
    margin: 0;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--line);
    color: var(--muted);
    font-size: 1.05rem;
}

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

.contact-card a:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.section-heading {
    display: grid;
    gap: 6px;
    margin-bottom: 32px;
}

.skills-grid,
.projects-grid,
.info-grid,
.split-grid {
    display: grid;
    gap: 14px;
}

.skills-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
}

.projects-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.info-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.split-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.skill-group {
    min-height: 170px;
    padding: 26px;
    background: rgba(23, 24, 44, 0.82);
    border: 1px solid var(--line);
    border-radius: 18px;
}

.project-card,
.info-card {
    padding: 30px;
    background:
        linear-gradient(180deg, rgba(139, 92, 246, 0.1), transparent 48%),
        rgba(23, 24, 44, 0.82);
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
}

.skill-group:hover,
.project-card:hover,
.info-card:hover,
.experience-item:hover {
    border-color: rgba(196, 181, 253, 0.55);
}

.featured-project {
    grid-column: span 2;
}

.project-topline {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 16px;
}

.project-type {
    margin: 0;
    color: var(--warm);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.project-links,
.stacked-links,
.language-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.project-links {
    justify-content: flex-end;
}

.project-links a,
.project-links span,
.stacked-links a,
.language-list span {
    display: inline-flex;
    min-height: 40px;
    align-items: center;
    padding: 8px 14px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--accent-dark);
    font-size: 1rem;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.04);
}

.stacked-links {
    flex-direction: column;
    align-items: flex-start;
}

.project-card ul {
    margin: 0 0 18px;
    padding-left: 20px;
}

.project-card li + li {
    margin-top: 8px;
}

.tech-list {
    margin-bottom: 0;
    color: var(--muted);
    font-weight: 700;
}

.info-card p:last-child {
    margin-bottom: 0;
    color: var(--muted);
}

.skill-group p,
.company,
.date {
    color: var(--muted);
}

.timeline {
    display: grid;
    gap: 18px;
}

.experience-item {
    display: grid;
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 34px;
    padding: 32px;
    background:
        linear-gradient(90deg, rgba(139, 92, 246, 0.1), transparent 28%),
        rgba(23, 24, 44, 0.82);
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
}

.date {
    margin-bottom: 8px;
    font-weight: 700;
}

.company {
    margin-bottom: 0;
}

.experience-item ul {
    margin: 0;
    padding-left: 20px;
}

.experience-item li + li {
    margin-top: 8px;
}

.contact-section {
    padding-bottom: 64px;
}

.footer {
    width: min(1120px, calc(100% - 40px));
    margin: 0 auto;
    padding: 28px 0 42px;
    color: var(--muted);
    border-top: 1px solid var(--line);
}

.footer p {
    margin: 0;
}

@media (max-width: 900px) {
    .hero,
    .experience-item {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: auto;
        gap: 32px;
    }

    .profile-photo,
    .profile-photo img {
        min-height: 360px;
    }

    .profile-photo img {
        width: calc(100% + 28px);
        max-width: none;
        transform: translateX(-8px);
    }

    .skills-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

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

    .featured-project {
        grid-column: span 1;
    }
}

@media (max-width: 680px) {
    .nav {
        width: min(100% - 28px, 1120px);
    }

    .nav-toggle {
        display: block;
    }

    .language-button {
        min-width: 42px;
        min-height: 34px;
        font-size: 0.84rem;
    }

    .nav-links {
        position: absolute;
        top: 80px;
        left: 14px;
        right: 14px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 10px;
        background: var(--surface-strong);
        border: 1px solid var(--line);
        border-radius: 18px;
        box-shadow: var(--shadow);
    }

    .nav-links.is-open {
        display: flex;
    }

    .nav-links a {
        display: block;
        padding: 12px;
    }

    .section {
        width: min(100% - 28px, 1120px);
        padding: 62px 0;
    }

    .hero {
        padding-top: 36px;
    }

    .profile-photo,
    .profile-photo img {
        min-height: 320px;
    }

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

    .skill-group {
        min-height: auto;
    }

    .experience-item,
    .contact-card,
    .skill-group,
    .project-card,
    .info-card {
        padding: 20px;
    }

    .project-topline {
        display: grid;
        gap: 12px;
    }

    .project-links {
        justify-content: flex-start;
    }
}