/* ============================================================
   Kateryna Diachuk — Portfolio
   Design system: editorial print aesthetic
   Palette: cream #F8F5F0 · burgundy #721321 · gold #DAC086 · ink #1A1A1A
   Type: Fraunces (display serif) · Space Grotesk (body) · JetBrains Mono (labels)
   ============================================================ */

:root {
    --cream:     #F8F5F0;
    --cream-dim: #EFEAE0;
    --burgundy:  #721321;
    --burgundy-deep: #4E0C16;
    --gold:      #DAC086;
    --gold-soft: #E9DCBC;
    --ink:       #1A1A1A;
    --ink-soft:  #3D3A36;
    --ink-mute:  #6E6a63;

    --font-display: "Fraunces", Georgia, serif;
    --font-body:    "Space Grotesk", "Helvetica Neue", sans-serif;
    --font-mono:    "JetBrains Mono", "SF Mono", monospace;

    --shadow-offset: 6px 6px 0 var(--ink);
    --shadow-offset-gold: 8px 8px 0 var(--gold);
    --shadow-offset-burgundy: 8px 8px 0 var(--burgundy);

    --maxw: 1140px;
}

/* ── Base ─────────────────────────────────────────────────── */

html { scroll-behavior: smooth; }

body {
    background: var(--cream);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

/* Subtle grid texture across whole page, like layout paper */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(to right, rgba(26,26,26,0.035) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(26,26,26,0.035) 1px, transparent 1px);
    background-size: 56px 56px;
    z-index: 0;
}

main { position: relative; z-index: 1; }

::selection { background: var(--gold); color: var(--ink); }

h1, h2, h3 { font-family: var(--font-display); font-weight: 500; line-height: 1.1; }

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

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 2rem; }

.section-pad { padding: 5rem 0; }

/* ── Header ───────────────────────────────────────────────── */

body > header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--cream);
    border-bottom: 2px solid var(--ink);
}

.header-inner {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 1.1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.site-logo {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    position: relative;
    padding-left: 1.1rem;
}

/* burgundy printer's mark before the name */
.site-logo::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.35rem;
    width: 0.55rem;
    height: 0.55rem;
    background: var(--burgundy);
}

.site-logo span {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    font-weight: 400;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-mute);
    margin-top: 0.2rem;
}

nav ul { display: flex; gap: 1.9rem; list-style: none; }

nav a {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding-bottom: 0.25rem;
    position: relative;
    color: var(--ink-soft);
    transition: color 0.2s ease;
}

nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    height: 2px;
    width: 0;
    background: var(--burgundy);
    transition: width 0.25s ease;
}

nav a:hover { color: var(--ink); }
nav a:hover::after { width: 100%; }

nav a.active { color: var(--burgundy); font-weight: 500; }
nav a.active::after { width: 100%; }

/* ── Page banner (inner pages) ─────────────────────────────── */

.page-banner {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 4.5rem 2rem 0;
}

.page-banner h1 {
    font-size: clamp(3.2rem, 8vw, 5.5rem);
    letter-spacing: -0.02em;
    position: relative;
    display: inline-block;
}

/* gold highlighter stroke behind page titles */
.page-banner h1::after {
    content: "";
    position: absolute;
    left: -0.15em;
    right: -0.15em;
    bottom: 0.08em;
    height: 0.32em;
    background: var(--gold);
    z-index: -1;
}

.section-label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--burgundy);
    margin-bottom: 0.9rem;
}

.section-label::before { content: "— "; color: var(--gold); }

.section-header { margin-bottom: 2.8rem; }

.section-header h2 {
    font-size: clamp(2rem, 4.5vw, 3rem);
    letter-spacing: -0.015em;
}

/* ── Hero ─────────────────────────────────────────────────── */

.hero {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 5rem 2rem 5.5rem;
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 4.5rem;
    align-items: center;
}

/* Profile card — print-style with hard offset shadow */
.hero-card {
    background: #fff;
    border: 2px solid var(--ink);
    box-shadow: var(--shadow-offset-gold);
    padding: 1.4rem 1.4rem 1.6rem;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.hero-card:hover {
    transform: translate(-3px, -3px);
    box-shadow: 11px 11px 0 var(--gold);
}

.profile-image-wrap {
    border: 2px solid var(--ink);
    overflow: hidden;
    aspect-ratio: 1 / 1.08;
}

.profile-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(35%);
    transition: filter 0.35s ease, transform 0.35s ease;
}

.hero-card:hover .profile-image-wrap img {
    filter: grayscale(0%);
    transform: scale(1.03);
}

.hero-card-name { text-align: center; padding-top: 1.2rem; }

.hero-card-name h2 { font-size: 1.5rem; font-weight: 600; }

.hero-card-divider {
    width: 3rem;
    height: 3px;
    background: var(--burgundy);
    margin: 0.7rem auto;
}

.hero-card-role {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-mute);
}

.hero-social {
    display: flex;
    justify-content: center;
    gap: 0.6rem;
    margin-top: 1.3rem;
    flex-wrap: wrap;
}

.hero-social a {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border: 1.5px solid var(--ink);
    padding: 0.35rem 0.85rem;
    transition: all 0.2s ease;
}

.hero-social a:hover {
    background: var(--burgundy);
    border-color: var(--burgundy);
    color: var(--cream);
}

/* Hero text */
.hero-content .label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--burgundy);
}

.hero-content .label::before { content: "— "; color: var(--gold); }

.hero-content h1 {
    font-size: clamp(3.6rem, 9vw, 6.2rem);
    letter-spacing: -0.025em;
    margin: 0.6rem 0 0.4rem;
}

/* second line of the name in italic burgundy — the designer's flourish */
.hero-content h1 br + * { font-style: italic; }

.hero-content h1 {
    position: relative;
}

.hero-content .sub {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1.25rem;
    color: var(--burgundy);
    margin-bottom: 1.4rem;
}

.hero-content > p:not(.sub) {
    max-width: 34rem;
    color: var(--ink-soft);
}

.hero-buttons { display: flex; gap: 1rem; margin-top: 2.1rem; flex-wrap: wrap; }

/* ── Buttons ──────────────────────────────────────────────── */

.btn-primary,
.btn-outline {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.85rem 1.7rem;
    border: 2px solid var(--ink);
    transition: all 0.2s ease;
}

.btn-primary {
    background: var(--burgundy);
    border-color: var(--burgundy);
    color: var(--cream);
    box-shadow: 4px 4px 0 var(--ink);
}

.btn-primary:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--ink);
    background: var(--burgundy-deep);
}

.btn-outline {
    background: transparent;
    color: var(--ink);
    box-shadow: 4px 4px 0 var(--gold);
}

.btn-outline:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--gold);
    background: #fff;
}

/* ── About section ────────────────────────────────────────── */

.about-section {
    background: var(--ink);
    color: var(--cream);
    padding: 5.5rem 0;
    position: relative;
}

/* gold top rule like a magazine section divider */
.about-section::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 6px;
    background: repeating-linear-gradient(
        90deg,
        var(--gold) 0 40px,
        var(--burgundy) 40px 80px
    );
}

.about-inner {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-section .section-label { color: var(--gold); }
.about-section .section-label::before { color: var(--burgundy); }

.about-section h2 { color: var(--cream); }

.about-text p { color: #CFC9BE; margin-bottom: 1.1rem; }

.about-section .btn-outline {
    color: var(--cream);
    border-color: var(--cream);
    box-shadow: 4px 4px 0 var(--burgundy);
}

.about-section .btn-outline:hover {
    background: var(--cream);
    color: var(--ink);
    box-shadow: 6px 6px 0 var(--burgundy);
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.stat-box {
    border: 1.5px solid rgba(248, 245, 240, 0.25);
    padding: 1.6rem 1.2rem 1.4rem;
    transition: all 0.25s ease;
}

.stat-box:hover {
    border-color: var(--gold);
    transform: translateY(-4px);
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.6rem;
    font-weight: 600;
    color: var(--gold);
    line-height: 1;
}

.stat-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.66rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #A39C90;
    margin-top: 0.6rem;
}

/* ── Experience / generic cards ────────────────────────────── */

.card {
    display: grid;
    grid-template-columns: 170px 1fr;
    gap: 2rem;
    background: #fff;
    border: 2px solid var(--ink);
    padding: 1.8rem 2rem;
    margin-bottom: 1.4rem;
    transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.card:hover {
    transform: translate(-3px, -3px);
    box-shadow: var(--shadow-offset-gold);
}

.card-date {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    letter-spacing: 0.08em;
    color: var(--burgundy);
    padding-top: 0.4rem;
    border-top: 3px solid var(--gold);
}

.card-body h3 { font-size: 1.45rem; margin-bottom: 0.25rem; }

.company {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ink-mute);
    margin-bottom: 0.7rem;
}

.card-body p:last-child { color: var(--ink-soft); }

/* ── Skills ───────────────────────────────────────────────── */

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.4rem;
}

.skill-category {
    background: #fff;
    border: 2px solid var(--ink);
    padding: 1.7rem 1.7rem 1.5rem;
    transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.skill-category:hover {
    transform: translate(-3px, -3px);
    box-shadow: var(--shadow-offset-burgundy);
}

.skill-category h3 {
    font-size: 1.3rem;
    margin-bottom: 1.1rem;
    padding-bottom: 0.6rem;
    border-bottom: 2px solid var(--gold);
}

.skill-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.03em;
    border: 1.5px solid var(--ink);
    padding: 0.32rem 0.8rem;
    margin: 0 0.4rem 0.55rem 0;
    transition: all 0.18s ease;
    cursor: default;
}

.skill-tag:hover {
    background: var(--burgundy);
    border-color: var(--burgundy);
    color: var(--cream);
}

/* ── Education ────────────────────────────────────────────── */

.education-grid {
    position: relative;
    padding-left: 2.4rem;
}

/* vertical timeline rule */
.education-grid::before {
    content: "";
    position: absolute;
    left: 0.55rem;
    top: 0.4rem;
    bottom: 0.4rem;
    width: 2px;
    background: var(--ink);
}

.edu-card {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 2rem;
    background: #fff;
    border: 2px solid var(--ink);
    padding: 1.8rem 2rem;
    margin-bottom: 1.6rem;
    position: relative;
    transition: transform 0.22s ease, box-shadow 0.22s ease;
}

/* timeline node */
.edu-card::before {
    content: "";
    position: absolute;
    left: -2.28rem;
    top: 2.2rem;
    width: 0.85rem;
    height: 0.85rem;
    background: var(--gold);
    border: 2px solid var(--ink);
}

.edu-card:hover {
    transform: translate(-3px, -3px);
    box-shadow: var(--shadow-offset-gold);
}

.edu-year {
    font-family: var(--font-display);
    font-size: 1.9rem;
    font-weight: 600;
    font-style: italic;
    color: var(--burgundy);
    line-height: 1;
    padding-top: 0.2rem;
}

.edu-details h3 { font-size: 1.35rem; margin-bottom: 0.3rem; }

.institution {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ink-mute);
    margin-bottom: 0.7rem;
}

.edu-details p:last-child { color: var(--ink-soft); }

/* ── Portfolio / projects ─────────────────────────────────── */

.portfolio-grid { display: flex; flex-direction: column; gap: 2.6rem; }

.project-card {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 0;
    background: #fff;
    border: 2px solid var(--ink);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    overflow: hidden;
}

.project-card:hover {
    transform: translate(-4px, -4px);
    box-shadow: 10px 10px 0 var(--gold);
}

/* alternate: even cards get burgundy shadow + reversed layout */
.project-card:nth-child(even):hover { box-shadow: 10px 10px 0 var(--burgundy); }
.project-card:nth-child(even) { direction: rtl; }
.project-card:nth-child(even) > * { direction: ltr; }

.project-info { padding: 2.4rem 2.4rem 2.2rem; }

.project-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--cream);
    background: var(--burgundy);
    padding: 0.3rem 0.75rem;
    margin-bottom: 1.1rem;
}

.project-info h3 { font-size: 1.75rem; margin-bottom: 0.3rem; }

.role {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1rem;
    color: var(--burgundy);
    margin-bottom: 0.9rem;
}

.project-info p:not(.role) { color: var(--ink-soft); margin-bottom: 0.8rem; }

.project-info a {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--burgundy);
    border-bottom: 2px solid var(--gold);
    padding-bottom: 2px;
    transition: all 0.2s ease;
}

.project-info a:hover { background: var(--gold-soft); }

.project-img {
    border-left: 2px solid var(--ink);
    background: var(--cream-dim);
    display: flex;
    align-items: center;
}

.project-card:nth-child(even) .project-img {
    border-left: none;
    border-right: 2px solid var(--ink);
}

.project-img img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* carousel (kept from original, restyled) */
.carousel {
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    width: 100%;
}

.carousel::-webkit-scrollbar { height: 8px; }
.carousel::-webkit-scrollbar-thumb { background: var(--gold); }
.carousel::-webkit-scrollbar-track { background: var(--cream-dim); }

.carousel-track { display: flex; }

.carousel-track img {
    flex: 0 0 100%;
    scroll-snap-align: start;
    object-fit: contain;
    background: #fff;
}

/* ── Contact ──────────────────────────────────────────────── */

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info { display: flex; flex-direction: column; gap: 1.2rem; }

.contact-item {
    background: #fff;
    border: 2px solid var(--ink);
    border-left: 8px solid var(--burgundy);
    padding: 1.2rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.contact-item:hover {
    transform: translate(-3px, -3px);
    box-shadow: 6px 6px 0 var(--gold);
}

.contact-item .label {
    font-family: var(--font-mono);
    font-size: 0.66rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-mute);
}

.contact-item a {
    color: var(--burgundy);
    font-weight: 500;
    word-break: break-word;
}

.contact-item a:hover { text-decoration: underline; text-decoration-color: var(--gold); text-decoration-thickness: 2px; }

/* ── Footer ───────────────────────────────────────────────── */

footer {
    background: var(--ink);
    color: var(--cream);
    margin-top: 4rem;
    position: relative;
}

footer::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 6px;
    background: repeating-linear-gradient(
        90deg,
        var(--burgundy) 0 40px,
        var(--gold) 40px 80px
    );
}

.footer-inner {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 3.5rem 2rem 2.5rem;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 2.5rem;
}

.footer-brand h3 {
    font-size: 1.6rem;
    margin-bottom: 0.4rem;
}

.footer-brand p {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #A39C90;
    line-height: 1.9;
}

.footer-nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 1.4rem;
    justify-content: flex-end;
    align-items: flex-start;
}

.footer-nav a {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #CFC9BE;
    transition: color 0.2s ease;
}

.footer-nav a:hover { color: var(--gold); }

.footer-copy {
    grid-column: 1 / -1;
    border-top: 1px solid rgba(248, 245, 240, 0.15);
    padding-top: 1.4rem;
}

.footer-copy p {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    color: #7d786f;
}

/* ── Responsive ───────────────────────────────────────────── */

@media (max-width: 960px) {
    .hero { grid-template-columns: 1fr; gap: 3rem; padding-top: 3.5rem; }
    .hero-card { max-width: 360px; margin: 0 auto; }
    .about-inner { grid-template-columns: 1fr; }
    .project-card,
    .project-card:nth-child(even) { grid-template-columns: 1fr; direction: ltr; }
    .project-img,
    .project-card:nth-child(even) .project-img {
        border-left: none;
        border-right: none;
        border-top: 2px solid var(--ink);
    }
    .contact-layout { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; }
    .footer-nav ul { justify-content: flex-start; }
}

@media (max-width: 720px) {
    .header-inner { flex-direction: column; gap: 1rem; }
    nav ul { gap: 1.1rem; flex-wrap: wrap; justify-content: center; }
    .card, .edu-card { grid-template-columns: 1fr; gap: 0.8rem; }
    .education-grid { padding-left: 1.6rem; }
    .edu-card::before { left: -1.5rem; }
    .about-stats { grid-template-columns: 1fr 1fr; }
    .section-pad { padding: 3.5rem 0; }
    .page-banner { padding-top: 3rem; }
}