/* ===== 1. Global settings ===== */
:root {
    --background: #121014;
    --surface: #191920;
    --surface-hover: #22222d;
    --text: #f4f4f8;
    --muted: #a5a5b5;
    --accent: #a78bfa;
    --border: #30303b;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    margin: 0;
    background: var(--background);
    color: var(--text);
    font-family: "Segoe UI", Arial, sans-serif;
    line-height: 1.7;
}

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

button {
    font: inherit;
}

button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
}

::selection {
    background: var(--accent);
    color: #101014;
}

/* ===== 2. Navigation ===== */
.navbar {
    min-height: 76px;
    padding: 16px 7%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    border-bottom: 1px solid var(--border);
    background: rgba(16, 16, 20, 0.96);
}

.logo {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.logo span {
    color: var(--accent);
}

.navbar nav {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
}

.navbar nav a {
    color: var(--muted);
    font-size: 0.92rem;
    transition: color 0.2s;
}

.navbar nav a:hover {
    color: var(--accent);
}

/* ===== 3. Hero section ===== */
.hero {
    max-width: 1100px;
    min-height: 470px;
    margin: auto;
    padding: 100px 32px 90px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
}

.eyebrow {
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero h1 {
    margin: 12px 0;
    font-size: clamp(2.6rem, 7vw, 5rem);
    line-height: 1.12;
    letter-spacing: -2px;
}

.hero h1 span {
    color: var(--accent);
}

.hero-description {
    max-width: 650px;
    color: var(--muted);
}

.languages {
    color: var(--muted);
    font-size: 0.9rem;
}

.primary-button {
    display: inline-block;
    margin-top: 18px;
    padding: 12px 22px;
    border: 1px solid var(--accent);
    border-radius: 8px;
    background: var(--accent);
    color: #101014;
    font-weight: 700;
    transition: transform 0.2s, background 0.2s;
}

.primary-button:hover {
    transform: translateY(-2px);
    background: #c4b5fd;
}

/* ===== 4. Projects section ===== */
.projects-section {
    max-width: 1200px;
    margin: auto;
    padding: 65px 28px 90px;
}

.section-heading {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 24px;
    margin-bottom: 28px;
}

.section-heading h2,
.about-section h2,
.contact-section h2 {
    margin: 6px 0;
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    line-height: 1.25;
}

.section-description {
    color: var(--muted);
    font-size: 0.9rem;
}

.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}

.filter-button {
    padding: 9px 16px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface);
    color: var(--muted);
    cursor: pointer;
    transition: 0.2s;
}

.filter-button:hover {
    border-color: var(--accent);
    color: var(--text);
}

.filter-button.active {
    border-color: var(--accent);
    background: var(--accent);
    color: #101014;
    font-weight: 700;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.project-card {
    min-width: 0;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--surface);
    transition: transform 0.2s, border-color 0.2s;
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: #6d5c99;
}

.project-art {
    min-height: 175px;
    padding: 18px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 12px;
    overflow: hidden;
}

.project-art span {
    max-width: 80%;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.project-art strong {
    font-size: 2.5rem;
    opacity: 0.55;
}

.art-game {
    background: linear-gradient(135deg, #3e3265, #171c30);
}

.art-visual-novel {
    background: linear-gradient(135deg, #693b68, #262342);
}

.art-video {
    background: linear-gradient(135deg, #165b68, #182b42);
}

.art-animation {
    background: linear-gradient(135deg, #74466d, #31233f);
}

.art-code {
    background: linear-gradient(135deg, #355c47, #1a3030);
}

.art-engineering {
    background: linear-gradient(135deg, #6c5333, #302a27);
}

.art-other {
    background: linear-gradient(135deg, #444b70, #242439);
}

.project-info {
    padding: 20px;
}

.project-category {
    color: var(--accent);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.project-info h3 {
    margin: 8px 0;
    font-size: 1.2rem;
}

.project-info > p:not(.project-category) {
    min-height: 78px;
    color: var(--muted);
    font-size: 0.9rem;
}

.project-links {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.project-links a {
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
}

.project-links a:hover {
    text-decoration: underline;
}

.empty-message {
    padding: 30px 0;
    color: var(--muted);
}

/* ===== 5. About and contact ===== */
.about-section,
.contact-section {
    max-width: 900px;
    margin: 0 auto;
    padding: 75px 28px;
}

.about-section {
    border-top: 1px solid var(--border);
}

.about-section > p:last-child,
.contact-section > p:not(.eyebrow) {
    max-width: 720px;
    color: var(--muted);
}

.contact-section {
    margin-bottom: 30px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--surface);
}

.contact-section .primary-button {
    margin-top: 12px;
}

/* ===== 6. Footer ===== */
footer {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 24px 7%;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 0.85rem;
}

footer a:hover {
    color: var(--accent);
}

/* ===== 7. Responsive layout ===== */
@media (max-width: 900px) {
    .project-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .section-heading {
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
    }
}

@media (max-width: 600px) {
    .navbar {
        align-items: flex-start;
        flex-direction: column;
        padding: 18px 6%;
    }

    .navbar nav {
        gap: 14px;
    }

    .hero {
        min-height: auto;
        padding: 75px 22px;
    }

    .hero h1 {
        letter-spacing: -1px;
    }

    .projects-section {
        padding: 45px 18px 65px;
    }

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

    .project-art {
        min-height: 200px;
    }

    .about-section,
    .contact-section {
        padding: 45px 22px;
    }

    footer {
        padding: 20px;
    }

/* Contact section */
.contact-section {
    padding: 100px 0;
    text-align: center;
}

.contact-description {
    max-width: 600px;
    margin: 16px auto 36px;
    color: #aaaabe;
    line-height: 1.8;
}

.contact-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    max-width: 820px;
    margin: 0 auto;
    text-align: left;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 16px;
    min-width: 0;
    padding: 20px;
    border: 1px solid #303047;
    border-radius: 14px;
    background: #171725;
    color: #ffffff;
    text-decoration: none;
    transition:
        transform 0.2s ease,
        border-color 0.2s ease,
        background 0.2s ease;
}

.contact-card:hover {
    transform: translateY(-4px);
    border-color: #a78bfa;
    background: #202034;
}

.contact-icon {
    display: grid;
    place-items: center;
    flex-shrink: 0;
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: #292442;
    color: #c4b5fd;
    font-size: 1.35rem;
}

.contact-text {
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: 5px;
    min-width: 0;
}

.contact-text strong {
    font-size: 1rem;
}

.contact-text small {
    color: #a3a3b8;
    line-height: 1.5;
}

.contact-arrow {
    color: #a78bfa;
    font-size: 1.2rem;
}

/* Mobile layout */
@media (max-width: 600px) {
    .contact-section {
        padding: 70px 0;
    }

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

    .contact-card {
        padding: 16px;
    }
}


.project-art {
    position: relative;
    overflow: hidden;
    height: 220px;
    border-radius: 16px;
}

.project-art img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center top;
    display: block;
}

.project-art span,
.project-art strong {
    position: relative;
    z-index: 1;
}

}