:root {
    --bg: #f4f4f4;
    --cards: #f7f7f7;
    --muted: #9ca1aa;
    --accent: #dbe4ea;
    --glass: rgba(255, 255, 255, 0.6);
    --max-width: 1100px;
}

* {
    box-sizing: border-box
}

html,
body {
    height: 100%
}

body {
    margin: 0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
    background: var(--bg);
    color: #111827;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.5;
}

#bg-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    display: block;
    width: 100%;
    height: 100%;
}

.nav {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(6px);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.45));
    border-bottom: 1px solid rgba(15, 23, 42, 0.03);
}

.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
}

.brand {
    font-weight: 600;
    color: #0f172a;
    text-decoration: none
}

.nav-links {
    display: flex;
    gap: 18px;
    align-items: center
}

.nav-link {
    color: var(--muted);
    text-decoration: none;
    padding: 8px 6px;
    border-radius: 6px
}

.nav-link:hover {
    color: #0f172a;
    background: var(--accent)
}

.lang {
    display: flex;
    gap: 6px
}

.lang-btn {
    background: transparent;
    border: 1px solid rgba(15, 23, 42, 0.06);
    padding: 6px 8px;
    border-radius: 6px;
    cursor: pointer;
    color: var(--muted)
}

.lang-btn.active {
    background: #0f172a;
    color: #fff;
    border-color: transparent
}

.container {
    position: relative;
    z-index: 10;
    max-width: var(--max-width);
    margin: 40px auto;
    padding: 24px
}

.hero {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
    padding: 60px 20px;
    padding-top:150px; padding-bottom:280px;
}

.hero-title {
    font-size: clamp(28px, 5vw, 44px);
    margin: 0
}

.hero-sub {
    color: var(--muted);
    margin: 0
}

.cta {
    display: inline-block;
    margin-top: 12px;
    padding: 10px 16px;
    background: #0f172a;
    color: #fff;
    border-radius: 8px;
    text-decoration: none
}

.card {
    background: var(--cards);
    border-radius: 12px;
    padding: 20px;
    margin: 20px 0;
    box-shadow: 0 6px 18px rgba(11, 24, 39, 0.04)
}

.projects {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.project h3 {
    margin: 0 0 6px 0
}

.footer {
    max-width: var(--max-width);
    margin: 24px auto;
    padding: 12px 20px;
    color: var(--muted);
    text-align: center
}

@media (max-width:720px) {
    .nav-inner {
        padding: 10px
    }

    .nav-links {
        display: none
    }

    .hero {
        padding: 40px 12px;
        padding-top:150px; padding-bottom:280px;
    }
}

html {
    scroll-behavior: smooth
}

a:focus {
    outline: 3px solid rgba(15, 23, 42, 0.08);
    outline-offset: 2px
}

.bio-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 14px
}

.bio-card h4 {
    margin: 0 0 6px 0
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px
}

.skill-card {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.75), rgba(250, 250, 250, 0.75));
    padding: 18px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: flex-start
}

.icon-abstract {
    width: auto;
    height: 48px;
    border-radius: 8px;
}

.skill-card p {
    margin: 0
}

.bio-card h3 {
    margin: 0 0 6px 0
}

.projects {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px
}

.project {
    padding: 14px;
    border-radius: 12px;
    background: linear-gradient(180deg, #fff, #fbfdff);
    display: flex;
    flex-direction: column;
    gap: 10px
}

.thumb {
    height: 120px;
    border-radius: 10px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
}

.thumb img.project-icon {
    width: auto;
    height: 80%;
    object-fit: contain;
    display: block;
    border-radius: 8px;
}

.thumb i.fa-solid {
    font-size: 48px;
    line-height: 1;
    display: block;
    margin: 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px
}

.photo.abstract {
    height: 120px;
    border-radius: 10px;
    background: linear-gradient(135deg, #eef2f6, #f7f8f9);
    box-shadow: 0 6px 18px rgba(11, 24, 39, 0.03)
}

.carousel {
    display: flex;
    align-items: center;
    gap: 12px;
    position: relative;
    padding: 8px 6px
}

.carousel-track-wrapper {
    overflow: hidden;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
    flex: 1;
}

.carousel-track-wrapper::-webkit-scrollbar {
    display: none;
}

.carousel-track-wrapper {
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.carousel-track {
    display: flex;
    gap: 12px;
    transition: transform 480ms cubic-bezier(.22, .98, .36, 1);
    padding: 0;
    margin: 0;
    list-style: none
}

.carousel-slide {
    min-width: 280px;
    flex: 0 0 auto;
    border-radius: 12px;
    overflow: hidden;
    background: linear-gradient(135deg, #eef2f6, #f7f8f9);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 220px;
    transition: transform 420ms cubic-bezier(.2, .9, .32, 1), box-shadow 420ms ease;
    will-change: transform;
    transform-origin: center center;
    transform: scale(0.92);
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: none;
    will-change: auto;
    transform-origin: center center;
    transform: none;
}

.gallery-grid img,
.photo.abstract img {
    transition: none;
    will-change: auto;
    transform-origin: center center;
    transform: none;
}

.carousel-btn {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(15, 23, 42, 0.06);
    padding: 0;
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    cursor: pointer;
    font-size: 16px;
    color: #0f172a;
    box-shadow: 0 4px 10px rgba(11, 24, 39, 0.04);
}

.carousel-dots {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: -18px;
    display: flex;
    gap: 8px
}

.carousel-dots button {
    width: 12px;
    height: 12px;
    min-width: 12px;
    min-height: 12px;
    border-radius: 50%;
    border: none;
    background: rgba(15, 23, 42, 0.12);
    cursor: pointer;
    transition: transform 160ms ease, background-color 160ms ease;
    transform-origin: center;
    margin-bottom: 10px;
}

.carousel-dots button.active {
    background: rgba(15, 23, 42, 0.6);
    transform: scale(1.05);
}

.carousel-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.carousel-slide.center {
    transform: scale(1) !important;
    z-index: 6;
    box-shadow: 0 18px 40px rgba(11, 24, 39, 0.12);
}

.carousel-slide.side {
    transform: scale(0.9) !important;
    opacity: 0.96;
}

.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.art-hr {
    display: none;
    height: 1px;
    background: rgba(15, 23, 42, 0.06);
    border-radius: 2px;
    margin: 14px 0;
    width: 100%;
}

@media (min-width:1000px) {
    .carousel-slide {
        min-width: 320px;
        height: 260px;
    }
}

@media (max-width:720px) {
    .carousel-slide {
        min-width: 200px;
        height: 160px
    }

    .carousel {
        padding: 6px
    }


}

@media (max-width:597px) {
    .art-hr {
        display: block !important;
        height: 1px !important;
        background: rgba(15, 23, 42, 0.06) !important;
        margin: 12px 0 !important;
        width: 100% !important;
    }
}

.contact-form {
    display: grid;
    gap: 12px;
    margin-top: 12px
}

.contact-form label {
    display: flex;
    flex-direction: column;
    gap: 6px
}

.contact-form input,
.contact-form textarea {
    padding: 10px;
    border-radius: 8px;
    border: 1px solid rgba(15, 23, 42, 0.06);
    background: transparent
}

.form-actions {
    display: flex;
    gap: 12px;
    align-items: center
}

.btn {
    background: #0f172a;
    color: #fff;
    padding: 10px 14px;
    border-radius: 8px;
    border: none;
    cursor: pointer
}

.form-msg {
    color: var(--muted);
    font-size: 14px
}

@media (max-width:720px) {
    .bio-grid {
        grid-template-columns: 1fr
    }

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