/* ==========================================================================
   burakbayar.dev
   ========================================================================== */

:root {
    color-scheme: dark;

    --bg: #101012;
    --bg-raised: rgba(52, 52, 58, 0.6);
    --fg: #fafafa;
    --fg-muted: #a5a5a8;
    --fg-faint: #71717a;
    --border: rgba(86, 86, 94, 0.5);
    --border-soft: rgba(255, 255, 255, 0.065);
    --grid: rgba(255, 255, 255, 0.038);
    --accent: #7aa2ff;
    --accent-soft: rgba(122, 162, 255, 0.14);
    --glow: rgba(255, 122, 40, 0.11);
    --glow-2: rgba(122, 162, 255, 0.07);

    --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI Variable Display",
        "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
        "Liberation Mono", monospace;

    --col: 720px;
    --radius: 16px;
}

:root[data-theme="light"] {
    color-scheme: light;

    --bg: #fbfbfa;
    --bg-raised: rgba(255, 255, 255, 0.72);
    --fg: #101010;
    --fg-muted: #5c5c5c;
    --fg-faint: #8b8b8b;
    --border: rgba(0, 0, 0, 0.1);
    --border-soft: rgba(0, 0, 0, 0.07);
    --grid: rgba(0, 0, 0, 0.035);
    --accent: #2b5fd9;
    --accent-soft: rgba(43, 95, 217, 0.1);
    --glow: rgba(255, 138, 40, 0.13);
    --glow-2: rgba(43, 95, 217, 0.07);
}

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

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg);
    color: var(--fg);
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.65;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

/* Arka plan: ince ızgara + üstte sıcak parıltı. Sabit katman, sayfa akışını
   etkilemesin diye pointer-events kapalı. */
.backdrop {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
}

.backdrop::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, var(--grid) 1px, transparent 1px),
        linear-gradient(to bottom, var(--grid) 1px, transparent 1px);
    background-size: 64px 64px;
    /* ızgara aşağı doğru sönsün */
    -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 78%);
    mask-image: linear-gradient(to bottom, #000 0%, transparent 78%);
}

.backdrop::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(58% 46% at 52% 0%, var(--glow) 0%, transparent 72%),
        radial-gradient(46% 38% at 84% 12%, var(--glow-2) 0%, transparent 70%);
}

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

img {
    max-width: 100%;
    display: block;
}

::selection {
    background: var(--accent-soft);
    color: var(--fg);
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

/* ---------------------------------------------------------------- nav ---- */

.nav-wrap {
    position: sticky;
    top: 20px;
    z-index: 50;
    padding: 20px 20px 0;
    display: flex;
    justify-content: center;
}

.nav {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    max-width: 980px;
    padding: 8px 16px;
    border: 0.8px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-raised);
    -webkit-backdrop-filter: blur(24px);
    backdrop-filter: blur(24px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.22);
}

.nav-brand {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    flex: none;
    border-radius: 10px;
    border: 0.8px solid var(--border);
    background: linear-gradient(150deg, var(--accent-soft), transparent 70%);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    margin: 0 auto;
    list-style: none;
}

.nav-link {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 12px;
    border-radius: 10px;
    color: var(--fg-muted);
    font-size: 0.94rem;
    font-weight: 500;
    transition: color 0.18s ease, background-color 0.18s ease;
}

.nav-link:hover {
    color: var(--fg);
    background: var(--border-soft);
}

.nav-link[aria-current="page"] {
    color: var(--fg);
    font-weight: 600;
}

/* aktif sekmenin altındaki ince ışık çizgisi */
.nav-link[aria-current="page"]::after {
    content: "";
    position: absolute;
    left: 18%;
    right: 18%;
    bottom: -9px;
    height: 1.5px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.nav-num {
    display: grid;
    place-items: center;
    min-width: 18px;
    height: 18px;
    padding: 0 4px;
    border-radius: 6px;
    border: 0.8px solid var(--border);
    background: var(--border-soft);
    font-family: var(--mono);
    font-size: 11px;
    line-height: 1;
    color: var(--fg-faint);
}

.theme-toggle {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    flex: none;
    border: 0;
    border-radius: 10px;
    background: transparent;
    color: var(--fg-muted);
    cursor: pointer;
    transition: color 0.18s ease, background-color 0.18s ease;
}

.theme-toggle:hover {
    color: var(--fg);
    background: var(--border-soft);
}

.theme-toggle svg {
    width: 17px;
    height: 17px;
}

:root:not([data-theme="light"]) .icon-sun { display: none; }
:root[data-theme="light"] .icon-moon { display: none; }

/* --------------------------------------------------------------- page ---- */

main {
    width: 100%;
    max-width: var(--col);
    margin: 0 auto;
    padding: 72px 20px 96px;
}

.meta-row {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--mono);
    font-size: 12.5px;
    color: var(--fg-faint);
    margin-bottom: 18px;
}

.meta-dot {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: currentColor;
    flex: none;
}

.clock {
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.02em;
}

h1 {
    font-size: clamp(1.85rem, 1.3rem + 2.2vw, 2.6rem);
    font-weight: 700;
    letter-spacing: -0.032em;
    line-height: 1.15;
}

.tagline {
    margin-top: 10px;
    color: var(--fg-muted);
    font-size: 1.02rem;
}

.intro {
    margin-top: 22px;
    max-width: 60ch;
    color: var(--fg-muted);
    font-size: 1.02rem;
}

.intro strong,
.role {
    color: var(--fg);
    font-weight: 600;
}

/* Dönen rol yazısı. Genişlik değiştikçe metin zıplamasın diye satır içi blok. */
.role {
    display: inline;
}

.role span {
    display: inline-block;
    white-space: pre;
    animation: roleIn 0.5s cubic-bezier(0.22, 1, 0.36, 1) backwards;
}

.role span.is-out {
    animation: roleOut 0.2s ease forwards;
}

@keyframes roleIn {
    from {
        opacity: 0;
        transform: translateY(0.42em);
        filter: blur(4px);
    }
}

@keyframes roleOut {
    to {
        opacity: 0;
        transform: translateY(-0.34em);
        filter: blur(4px);
    }
}

/* el sallama */
.wave {
    display: inline-block;
    transform-origin: 72% 78%;
    animation: wave 2.6s ease-in-out 0.6s infinite;
}

@keyframes wave {
    0%, 62%, 100% { transform: rotate(0deg); }
    66% { transform: rotate(14deg); }
    71% { transform: rotate(-10deg); }
    76% { transform: rotate(14deg); }
    81% { transform: rotate(-8deg); }
    86% { transform: rotate(11deg); }
    91% { transform: rotate(0deg); }
}

.hero {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 36px;
    align-items: start;
}

.avatar {
    width: 132px;
    height: 132px;
    flex: none;
    border-radius: 50%;
    overflow: hidden;
    border: 0.8px solid var(--border);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.current {
    margin-top: 20px;
    font-size: 0.97rem;
    color: var(--fg-muted);
}

.current a {
    color: var(--fg);
    font-weight: 600;
    border-bottom: 1px solid var(--border);
    transition: border-color 0.18s ease;
}

.current a:hover {
    border-color: var(--accent);
}

/* ------------------------------------------------------------ section ---- */

section {
    margin-top: 72px;
}

/* Bağlantıyla gelindiğinde hedef sabit nav'ın altında kalmasın */
section[id],
.project[id] {
    scroll-margin-top: 96px;
}

.section-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 22px;
}

h2 {
    font-size: 1.28rem;
    font-weight: 700;
    letter-spacing: -0.022em;
}

.section-link {
    font-size: 0.88rem;
    color: var(--fg-muted);
    transition: color 0.18s ease;
}

.section-link:hover {
    color: var(--fg);
}

.section-link::after {
    content: " \2197";
}

/* --------------------------------------------------------------- tabs ---- */

.tabs {
    display: inline-flex;
    gap: 3px;
    padding: 3px;
    margin-bottom: 20px;
    border: 0.8px solid var(--border);
    border-radius: 11px;
    background: var(--border-soft);
}

.tab {
    padding: 5px 14px;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: var(--fg-muted);
    font-family: inherit;
    font-size: 0.87rem;
    font-weight: 500;
    cursor: pointer;
    transition: color 0.18s ease, background-color 0.18s ease;
}

.tab:hover {
    color: var(--fg);
}

.tab[aria-selected="true"] {
    background: var(--bg-raised);
    color: var(--fg);
    font-weight: 600;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

/* --------------------------------------------------------------- work ---- */

/* Şirket bloğu: başlık, altında commit grafiği gibi dikey çizgi ve düğümler */
.org {
    padding: 16px 0;
}

.org + .org {
    border-top: 0.8px solid var(--border-soft);
}

.org:first-child {
    padding-top: 0;
}

.org-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 6px;
}

/* Şirket logosu. Beyaz zemin, çünkü logoların çoğu şeffaf ve koyu renkli —
   koyu temada doğrudan konunca kayboluyorlar. */
.org-mark {
    width: 28px;
    height: 28px;
    flex: none;
    padding: 3px;
    border-radius: 8px;
    border: 0.8px solid var(--border);
    background: #ffffff;
    overflow: hidden;
}

.org-mark img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.org-name {
    font-weight: 600;
    font-size: 1.02rem;
    letter-spacing: -0.012em;
}

.org-meta {
    margin-left: auto;
    font-family: var(--mono);
    font-size: 11.5px;
    color: var(--fg-faint);
}

.role-item {
    position: relative;
    padding: 10px 0 10px 36px;
}

/* düğümleri birbirine bağlayan dikey çizgi */
.role-item::before {
    content: "";
    position: absolute;
    left: 12px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--border-soft);
}

.role-item:first-child::before {
    top: 16px;
}

.role-item:last-child::before {
    bottom: auto;
    height: 16px;
}

.role-node {
    position: absolute;
    left: 0;
    top: 8px;
    display: grid;
    place-items: center;
    width: 24px;
    height: 24px;
    border-radius: 7px;
    border: 0.8px solid var(--border);
    background: var(--bg);
    color: var(--fg-faint);
    transition: color 0.2s ease, border-color 0.2s ease;
}

.role-item:hover .role-node {
    color: var(--accent);
    border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
}

.role-node svg {
    width: 13px;
    height: 13px;
}

.role-title {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--fg);
}

.role-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 10px;
    margin-top: 3px;
    font-family: var(--mono);
    font-size: 11.5px;
    color: var(--fg-faint);
}

.role-note {
    margin-top: 7px;
    font-size: 0.89rem;
    color: var(--fg-muted);
}

/* ----------------------------------------------------------- timeline ---- */

.timeline {
    position: relative;
    margin-top: 34px;
}

.tl-year {
    display: grid;
    grid-template-columns: 84px 1fr;
    gap: 28px;
}

.tl-year + .tl-year {
    margin-top: 8px;
}

.tl-label {
    position: relative;
    padding-top: 2px;
    font-size: 1.22rem;
    font-weight: 700;
    color: var(--fg-faint);
    letter-spacing: -0.01em;
    text-align: right;
}

.tl-items {
    position: relative;
    padding: 0 0 34px 30px;
    border-left: 0.8px solid var(--border-soft);
}

.tl-year:last-child .tl-items {
    padding-bottom: 0;
    border-left-color: transparent;
}

.tl-item + .tl-item {
    margin-top: 26px;
}

/* çizgi üzerindeki nokta */
.tl-item::before {
    content: "";
    position: absolute;
    left: -5.4px;
    width: 10px;
    height: 10px;
    margin-top: 7px;
    border-radius: 50%;
    background: var(--bg);
    border: 1.6px solid var(--accent);
    box-shadow: 0 0 0 4px var(--accent-soft);
}

.tl-title {
    font-size: 0.99rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.tl-desc {
    margin-top: 4px;
    font-size: 0.9rem;
    color: var(--fg-muted);
}

.tl-tag {
    display: inline-block;
    margin-top: 8px;
    padding: 2px 8px;
    border-radius: 6px;
    border: 0.8px solid var(--border);
    background: var(--border-soft);
    font-family: var(--mono);
    font-size: 11px;
    color: var(--fg-faint);
}

/* ----------------------------------------------------------- projects ---- */

.projects {
    display: grid;
    gap: 14px;
}

.project {
    position: relative;
    padding: 20px;
    border: 0.8px solid var(--border);
    border-radius: 14px;
    background: var(--border-soft);
    transition: border-color 0.22s ease, transform 0.22s cubic-bezier(0.22, 1, 0.36, 1),
        box-shadow 0.22s ease;
}

.project:hover {
    border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
}

/* kenarda ince vurgu şeridi, hover'da beliriyor */
.project::before {
    content: "";
    position: absolute;
    left: 0;
    top: 18px;
    bottom: 18px;
    width: 2px;
    border-radius: 0 2px 2px 0;
    background: var(--accent);
    opacity: 0;
    transition: opacity 0.22s ease;
}

.project:hover::before {
    opacity: 0.75;
}

.project-head {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
}

/* Gerçek uygulama ikonu: iOS'taki gibi yuvarlatılmış kare */
.project-mark {
    width: 48px;
    height: 48px;
    flex: none;
    border-radius: 12px;
    overflow: hidden;
    border: 0.8px solid var(--border);
    background: var(--border-soft);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
    transition: transform 0.22s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.project:hover .project-mark {
    transform: scale(1.05) rotate(-1.5deg);
}

.project-title {
    font-size: 1.02rem;
    font-weight: 600;
    letter-spacing: -0.015em;
    line-height: 1.35;
}

.project-kind {
    margin-top: 1px;
    font-family: var(--mono);
    font-size: 11.5px;
    color: var(--fg-faint);
}

.project-status {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    flex: none;
    padding: 3px 9px;
    border-radius: 7px;
    border: 0.8px solid var(--border);
    background: var(--bg-raised);
    font-family: var(--mono);
    font-size: 10.5px;
    color: var(--fg-muted);
    white-space: nowrap;
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #3fbf6a;
    box-shadow: 0 0 0 3px rgba(63, 191, 106, 0.16);
}

.project-desc {
    font-size: 0.93rem;
    color: var(--fg-muted);
}

.project .chips {
    margin-top: 14px;
}

.project-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 0.8px solid var(--border-soft);
    font-size: 0.88rem;
}

.project-links a {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--fg);
    transition: color 0.18s ease;
}

.project-links a:hover {
    color: var(--accent);
}

.project-links a::after {
    content: "\2197";
    font-size: 0.85em;
    color: var(--fg-faint);
}

.project-links a:hover::after {
    color: var(--accent);
}

.link-tag {
    font-family: var(--mono);
    font-size: 10.5px;
    color: var(--fg-faint);
}

/* Ana sayfadaki kısa proje listesi (tam liste /projects/ sayfasında) */
.project-brief {
    display: grid;
    gap: 2px;
}

.brief-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 12px 12px 10px;
    margin: 0 -12px 0 -10px;
    border-radius: 10px;
    transition: background-color 0.18s ease;
}

.brief-row:hover {
    background: var(--border-soft);
}

.brief-mark {
    width: 34px;
    height: 34px;
    flex: none;
    border-radius: 9px;
    overflow: hidden;
    border: 0.8px solid var(--border);
    background: var(--border-soft);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
    transition: transform 0.18s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.brief-row:hover .brief-mark {
    transform: scale(1.06);
}

.brief-name {
    display: block;
    font-size: 0.95rem;
    font-weight: 500;
}

.brief-kind {
    display: block;
    font-family: var(--mono);
    font-size: 11px;
    color: var(--fg-faint);
    margin-top: 2px;
}

.brief-row .arrow {
    margin-left: auto;
    color: var(--fg-faint);
    font-size: 0.82rem;
    transition: color 0.18s ease, transform 0.18s ease;
}

.brief-row:hover .arrow {
    color: var(--accent);
    transform: translate(2px, -2px);
}

/* -------------------------------------------------------------- stack ---- */

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.chip {
    padding: 4px 11px;
    border-radius: 8px;
    border: 0.8px solid var(--border);
    background: var(--border-soft);
    font-size: 0.84rem;
    color: var(--fg-muted);
}

.chip-group + .chip-group {
    margin-top: 16px;
}

.chip-label {
    margin-bottom: 8px;
    font-family: var(--mono);
    font-size: 11.5px;
    color: var(--fg-faint);
}

/* -------------------------------------------------------------- reach ---- */

.reach p {
    color: var(--fg-muted);
    max-width: 56ch;
}

.reach-links {
    margin-top: 16px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 14px;
    font-size: 0.94rem;
}

.reach-links a {
    color: var(--fg);
    border-bottom: 1px solid var(--border);
    transition: border-color 0.18s ease, color 0.18s ease;
}

.reach-links a:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.reach-sep {
    color: var(--fg-faint);
}

/* ------------------------------------------------------------ journey ---- */

.crumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    font-size: 0.86rem;
    color: var(--fg-faint);
}

.crumb a:hover {
    color: var(--fg);
}

.crumb span[aria-current] {
    color: var(--fg-muted);
}

.page-intro {
    margin-top: 14px;
    max-width: 60ch;
    color: var(--fg-muted);
}

/* ------------------------------------------------------------- footer ---- */

footer {
    max-width: var(--col);
    margin: 0 auto;
    padding: 26px 20px 44px;
    border-top: 0.8px solid var(--border-soft);
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    align-items: center;
    font-size: 0.85rem;
    color: var(--fg-faint);
}

footer a {
    transition: color 0.18s ease;
}

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

.footer-right {
    margin-left: auto;
    font-family: var(--mono);
    font-size: 11.5px;
}

/* ------------------------------------------------------------ reveal ---- */

.reveal {
    opacity: 0;
    transform: translateY(14px);
    filter: blur(6px);
    transition: opacity 0.62s ease, transform 0.62s cubic-bezier(0.22, 1, 0.36, 1),
        filter 0.62s ease;
    will-change: opacity, transform, filter;
}

.reveal.is-visible {
    opacity: 1;
    transform: none;
    filter: none;
}

/* -------------------------------------------------------- responsive ---- */

@media (max-width: 720px) {
    .nav {
        padding: 7px 10px;
        gap: 4px;
    }

    .nav-link {
        padding: 7px 9px;
        font-size: 0.9rem;
    }

    main {
        padding-top: 52px;
    }

    .hero {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .avatar {
        width: 96px;
        height: 96px;
        order: -1;
    }

    .tl-year {
        grid-template-columns: 52px 1fr;
        gap: 16px;
    }

    .tl-label {
        font-size: 1.02rem;
    }

    .tl-items {
        padding-left: 22px;
    }

    .org-meta {
        display: none;
    }

    .project {
        padding: 17px;
    }

    /* durum rozeti başlığın altına insin, isim sıkışmasın */
    .project-head {
        flex-wrap: wrap;
    }

    .project-status {
        margin-left: 50px;
        order: 3;
    }
}

@media (max-width: 420px) {
    .nav-num {
        display: none;
    }
}

/* Hareket azaltma tercihi: belirme animasyonlarını tamamen kapat */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
        filter: none;
    }
}