/* Ankora Linux web sitesi.
   Sade ve ferah. Buyuk boslukler, az renk, tek vurgu.
   Iki tema (acik, koyu) ve uc vurgu rengi (mavi, yesil, mor). */

@layer reset, base, layout, parts, motion;

/* ------------------------------------------------------------------ tokens */

@layer base {
  :root {
    color-scheme: light;

    --bg: #ffffff;
    --panel: #f6f8fb;
    --ink: #101826;
    --ink-2: #48566b;
    --ink-3: #626d7b;
    --line: #e6eaf0;
    --shadow: 0 1px 2px rgba(16, 24, 38, 0.05), 0 18px 44px rgba(16, 24, 38, 0.09);

    /* vurgu: mavi (varsayilan) */
    --accent: #0073b8;
    --accent-ink: #ffffff;
    --accent-soft: #eaf4fb;
    --accent-cover: #00639e;

    --fd: "Sora", ui-sans-serif, system-ui, sans-serif;
    --fb: "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
    --fm: "IBM Plex Mono", ui-monospace, monospace;

    --shell: 1160px;
    --measure: 64ch;
    --edge: 32px;
    --r: 18px;
    --r-s: 11px;
    --band: clamp(112px, 12vw, 216px);
    --head-h: 78px;
    --gap: 68px;
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
  }

  :root[data-accent="green"] {
    --accent: #157347;
    --accent-ink: #ffffff;
    --accent-soft: #e8f5ee;
    --accent-cover: #0f5c38;
  }

  :root[data-accent="purple"] {
    --accent: #6d28d9;
    --accent-ink: #ffffff;
    --accent-soft: #f1eafd;
    --accent-cover: #5a20b5;
  }

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

    --bg: #0e1420;
    --panel: #161d2b;
    --ink: #e7edf6;
    --ink-2: #a9b6c8;
    --ink-3: #8b98ab;
    --line: #263042;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 20px 48px rgba(0, 0, 0, 0.42);

    --accent: #52a9eb;
    --accent-ink: #0b1220;
    --accent-soft: #12283a;
    --accent-cover: #6bb6ee;
  }

  :root[data-theme="dark"][data-accent="green"] {
    --accent: #3fca86;
    --accent-ink: #06160e;
    --accent-soft: #12301f;
    --accent-cover: #59d397;
  }

  :root[data-theme="dark"][data-accent="purple"] {
    --accent: #b18cf5;
    --accent-ink: #130a24;
    --accent-soft: #241a3a;
    --accent-cover: #c0a2f7;
  }

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

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

  body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--fb);
    font-size: 18px;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
  }

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

  a {
    color: var(--accent);
    text-underline-offset: 3px;
    text-decoration-thickness: 1px;
  }

  a:hover {
    text-decoration-thickness: 2px;
  }

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

  h1, h2, h3 {
    font-family: var(--fd);
    font-weight: 700;
    line-height: 1.18;
    letter-spacing: -0.022em;
    color: var(--ink);
    text-wrap: balance;
  }

  h1 { font-size: clamp(2.3rem, 1.4rem + 3.4vw, 3.9rem); margin: 0 0 26px; }
  h2 { font-size: clamp(1.65rem, 1.2rem + 1.7vw, 2.35rem); margin: 0 0 20px; }
  h3 { font-size: 1.16rem; margin: 0 0 11px; letter-spacing: -0.01em; }

  p { margin: 0 0 20px; }

  code {
    font-family: var(--fm);
    font-size: 0.88em;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 5px;
    padding: 1px 5px;
  }

  kbd {
    font-family: var(--fm);
    font-size: 0.82em;
    border: 1px solid var(--line);
    border-bottom-width: 2px;
    border-radius: 5px;
    padding: 1px 6px;
    background: var(--bg);
  }

  .skip {
    position: absolute;
    left: -9999px;
  }

  .skip:focus {
    left: 16px;
    top: 16px;
    z-index: 100;
    background: var(--ink);
    color: var(--bg);
    padding: 10px 16px;
    border-radius: var(--r-s);
    text-decoration: none;
  }
}

/* ------------------------------------------------------------------ layout */

@layer layout {
  .wrap {
    width: 100%;
    max-width: var(--shell);
    margin-inline: auto;
    padding-inline: var(--edge);
  }

  .section {
    padding-block: var(--band);
  }

  .section.panel {
    background: var(--panel);
  }

  .section-head {
    max-width: var(--measure);
    margin-bottom: 64px;
  }

  .section-head.center {
    margin-inline: auto;
    text-align: center;
  }

  .eyebrow {
    display: block;
    font-family: var(--fm);
    font-size: 0.76rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 14px;
  }

  .lede {
    font-size: 1.22rem;
    line-height: 1.74;
    color: var(--ink-2);
  }
}

/* ------------------------------------------------------------------- parts */

@layer parts {
  /* ---- ust cubuk ---- */
  .site-head {
    position: sticky;
    top: 0;
    z-index: 40;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
  }

  .head-in {
    display: flex;
    align-items: center;
    gap: 26px;
    min-height: var(--head-h);
  }

  .brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    text-decoration: none;
    color: var(--ink);
    font-family: var(--fd);
    font-weight: 800;
    font-size: 1.06rem;
    letter-spacing: -0.01em;
    margin-right: auto;
  }

  .brand img {
    width: 30px;
    height: 30px;
  }

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

  .nav a {
    display: block;
    padding: 9px 13px;
    border-radius: var(--r-s);
    color: var(--ink-2);
    text-decoration: none;
    font-size: 0.95rem;
    white-space: nowrap;
    transition: color 0.15s var(--ease), background 0.15s var(--ease);
  }

  .nav a:hover {
    color: var(--ink);
    background: var(--panel);
  }

  .nav a[aria-current="page"] {
    color: var(--ink);
    background: var(--panel);
  }

  .head-cta {
    margin-left: 10px;
  }

  /* ---- tema araci ---- */
  .tools {
    position: relative;
    display: flex;
    align-items: center;
  }

  .tbtn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    padding: 0;
    border: 1px solid var(--ink-3);
    border-radius: var(--r-s);
    background: var(--panel);
    color: var(--ink);
    cursor: pointer;
  }

  .tbtn svg { width: 18px; height: 18px; }

  .tbtn:hover { border-color: var(--accent); color: var(--accent); background: var(--bg); }

  .tpanel {
    position: absolute;
    right: 0;
    top: calc(100% + 9px);
    z-index: 50;
    width: 214px;
    padding: 14px;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--r);
    box-shadow: var(--shadow);
  }

  .tpanel[hidden] { display: none; }

  .tpanel h4 {
    font-family: var(--fm);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    color: var(--ink-3);
    margin: 0 0 10px;
  }

  .tpanel .grp + .grp { margin-top: 20px; }

  .trow {
    display: flex;
    gap: 8px;
  }

  /* ---- dil menusu ---- */
  .langmenu {
    position: relative;
  }

  .langmenu summary {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 34px;
    padding: 0 10px;
    border: 1px solid var(--ink-3);
    border-radius: var(--r-s);
    background: var(--panel);
    color: var(--ink);
    font-family: var(--fm);
    font-size: 0.78rem;
    letter-spacing: 0.04em;
    cursor: pointer;
    list-style: none;
  }

  .langmenu summary::-webkit-details-marker { display: none; }

  .langmenu summary svg { width: 16px; height: 16px; }

  .langmenu summary:hover,
  .langmenu[open] summary {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--bg);
  }

  .langmenu .menu {
    position: absolute;
    right: 0;
    top: calc(100% + 10px);
    z-index: 50;
    min-width: 174px;
    margin: 0;
    padding: 7px;
    list-style: none;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--r);
    box-shadow: var(--shadow);
  }

  .langmenu .menu a {
    display: block;
    padding: 9px 11px;
    border-radius: var(--r-s);
    color: var(--ink-2);
    text-decoration: none;
    font-size: 0.92rem;
  }

  .langmenu .menu a:hover { background: var(--panel); color: var(--ink); }

  .langmenu .menu a[aria-current="true"] {
    color: var(--ink);
    background: var(--accent-soft);
  }

  .tset {
    flex: 1;
    min-height: 34px;
    padding: 5px 5px;
    border: 1px solid var(--line);
    border-radius: var(--r-s);
    background: var(--bg);
    color: var(--ink-2);
    font-family: var(--fb);
    font-size: 0.8rem;
    cursor: pointer;
  }

  .tset:hover { border-color: var(--ink-3); color: var(--ink); }

  .tset[aria-pressed="true"] {
    border-color: var(--accent);
    color: var(--ink);
    background: var(--accent-soft);
  }

  .swatch {
    flex: 1;
    height: 32px;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: var(--r-s);
    cursor: pointer;
  }

  .swatch[aria-pressed="true"] {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-color: var(--accent);
  }

  .swatch-blue { background: #0073b8; }
  .swatch-green { background: #157347; }
  .swatch-purple { background: #6d28d9; }

  .menu-btn {
    display: none;
    width: 34px;
    height: 34px;
    padding: 0;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--ink-3);
    border-radius: var(--r-s);
    background: var(--panel);
    color: var(--ink);
    cursor: pointer;
  }

  .menu-btn svg { width: 18px; height: 18px; }

  .sheet {
    display: none;
    border-bottom: 1px solid var(--line);
    background: var(--bg);
  }

  .sheet[data-open="true"] { display: block; }

  .sheet ul {
    list-style: none;
    margin: 0;
    padding: 14px 0 22px;
  }

  .sheet a {
    display: block;
    padding: 14px 2px;
    color: var(--ink);
    text-decoration: none;
    font-size: 1.02rem;
    border-bottom: 1px solid var(--line);
  }

  /* ---- butonlar ---- */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    min-height: 52px;
    padding: 14px 28px;
    border-radius: 999px;
    font-family: var(--fb);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform 0.15s var(--ease), background 0.15s var(--ease), border-color 0.15s var(--ease);
  }

  .btn:hover { transform: translateY(-1px); }

  .btn-1 {
    background: var(--accent);
    color: var(--accent-ink);
  }

  .btn-1:hover { background: var(--accent-cover); }

  .btn-2 {
    background: var(--bg);
    color: var(--ink);
    border-color: var(--line);
  }

  .btn-2:hover { border-color: var(--ink-3); }

  .btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
  }

  /* ---- ekran goruntusu cercevesi ---- */
  .shot {
    border: 1px solid var(--line);
    border-radius: var(--r);
    overflow: hidden;
    box-shadow: var(--shadow);
    background: var(--bg);
  }

  .shot img { width: 100%; }

  /* ---- kart izgarasi ---- */
  .grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 58px 48px;
  }

  .card h3 { margin-bottom: 10px; }

  .card p {
    color: var(--ink-2);
    margin: 0;
  }

  /* ---- liste ---- */
  .checklist {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 16px;
  }

  .checklist li {
    display: flex;
    gap: 12px;
    align-items: baseline;
    color: var(--ink-2);
  }

  .checklist svg {
    width: 18px;
    height: 18px;
    flex: none;
    color: var(--accent);
    transform: translateY(4px);
  }

  /* ---- adimlar ---- */
  .steps {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 46px;
    counter-reset: step;
  }

  .steps li {
    display: grid;
    grid-template-columns: 58px 1fr;
    gap: 24px;
    align-items: start;
  }

  .steps li::before {
    counter-increment: step;
    content: counter(step);
    font-family: var(--fd);
    font-weight: 800;
    font-size: 1.6rem;
    color: var(--accent);
    line-height: 1;
    padding-top: 2px;
  }

  .steps h3 { margin-bottom: 6px; }

  .steps p {
    color: var(--ink-2);
    margin: 0;
  }

  /* ---- SSS ---- */
  .faq {
    max-width: var(--measure);
  }

  .faq details {
    border-top: 1px solid var(--line);
  }

  .faq details:last-child {
    border-bottom: 1px solid var(--line);
  }

  .faq summary {
    cursor: pointer;
    list-style: none;
    padding: 30px 44px 30px 0;
    position: relative;
    font-family: var(--fd);
    font-weight: 600;
    font-size: 1.1rem;
  }

  .faq summary::-webkit-details-marker { display: none; }

  .faq summary::after {
    content: "+";
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.6rem;
    font-weight: 400;
    color: var(--ink-3);
    transition: transform 0.2s var(--ease);
  }

  .faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }

  .faq .answer {
    padding: 0 44px 28px 0;
    color: var(--ink-2);
  }

  .faq .answer p:last-child { margin-bottom: 0; }

  /* ---- kod ---- */
  .code {
    position: relative;
  }

  .code pre {
    margin: 0;
    background: #0f1622;
    color: #e6edf6;
    padding: 22px 24px;
    border-radius: var(--r);
    overflow-x: auto;
    font-family: var(--fm);
    font-size: 0.86rem;
    line-height: 1.75;
  }

  .code code {
    background: none;
    border: 0;
    padding: 0;
    color: inherit;
    font-size: inherit;
  }

  .copy {
    position: absolute;
    top: 14px;
    right: 14px;
    font-family: var(--fb);
    font-size: 0.8rem;
    padding: 6px 12px;
    border-radius: 7px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
    color: #e6edf6;
    cursor: pointer;
  }

  /* ---- karsilastirma tablosu ---- */
  .cmp {
    width: 100%;
    max-width: 780px;
    border-collapse: collapse;
    font-size: 1rem;
  }

  .cmp th {
    text-align: left;
    font-family: var(--fm);
    font-size: 0.74rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-3);
    padding: 0 26px 16px 0;
  }

  .cmp td {
    padding: 16px 26px 16px 0;
    border-top: 1px solid var(--line);
    color: var(--ink-2);
  }

  .cmp td:first-child { color: var(--ink); }

  .cmp td:nth-child(2) {
    font-family: var(--fm);
    font-size: 0.94rem;
    white-space: nowrap;
    color: var(--ink);
  }

  .cmp tr[data-self="true"] td:nth-child(2) {
    color: var(--accent);
    font-family: var(--fd);
    font-weight: 700;
    font-size: 1.04rem;
  }

  .cmp-note {
    max-width: 62ch;
    margin-top: 28px;
    font-family: var(--fm);
    font-size: 0.84rem;
    line-height: 1.7;
    color: var(--ink-3);
  }

  /* ---- not ---- */
  .note {
    border-left: 3px solid var(--accent);
    background: var(--accent-soft);
    border-radius: 0 var(--r-s) var(--r-s) 0;
    padding: 20px 24px;
    margin-top: 30px;
    color: var(--ink-2);
  }

  .note b { color: var(--ink); }

  .note p:last-child { margin-bottom: 0; }

  /* ---- sayfa basi ---- */
  .page-top {
    padding-block: clamp(72px, 8.5vw, 124px) 16px;
  }

  .page-top h1 { margin-bottom: 20px; }

  .page-top .lede { max-width: var(--measure); }

  /* ---- ikili duzen ---- */
  .split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--gap);
    align-items: center;
  }

  /* ---- basit liste ---- */
  .rows {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .rows li {
    border-top: 1px solid var(--line);
  }

  .rows li:last-child { border-bottom: 1px solid var(--line); }

  .rows a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 26px 4px;
    text-decoration: none;
    color: var(--ink);
  }

  .rows b { display: block; font-weight: 600; }

  .rows small {
    display: block;
    color: var(--ink-3);
    font-family: var(--fm);
    font-size: 0.82rem;
    margin-top: 5px;
  }

  .rows .go {
    color: var(--ink-3);
    font-size: 0.9rem;
    white-space: nowrap;
  }

  /* ---- footer ---- */
  .foot {
    background: var(--panel);
    border-top: 1px solid var(--line);
    padding-block: 88px 48px;
    margin-top: 20px;
  }

  .foot-cols {
    display: grid;
    grid-template-columns: 1.7fr repeat(3, 1fr);
    gap: 48px;
  }

  .foot h2 {
    font-size: 0.78rem;
    font-family: var(--fm);
    font-weight: 500;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    color: var(--ink-3);
    margin: 0 0 18px;
  }

  .foot ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 13px;
  }

  .foot a {
    color: var(--ink-2);
    text-decoration: none;
    font-size: 0.95rem;
  }

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

  .foot-about .brand { margin: 0 0 18px; }

  .foot-about p {
    color: var(--ink-3);
    font-size: 0.95rem;
    max-width: 34ch;
  }

  .foot-bar {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
    margin-top: 62px;
    padding-top: 30px;
    border-top: 1px solid var(--line);
    color: var(--ink-3);
    font-size: 0.88rem;
  }

  .foot-bar a { color: var(--ink-3); }
}

/* ------------------------------------------------------------------ motion */

@layer motion {
  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      animation-duration: 0.001ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.001ms !important;
      scroll-behavior: auto !important;
    }

    .btn:hover { transform: none; }
  }
}

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

@media (max-width: 1080px) {
  .nav { display: none; }
  .head-cta { display: none; }
  .menu-btn { display: inline-flex; }
  .head-in { gap: 14px; }
}

@media (max-width: 860px) {
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .foot-cols { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 560px) {
  :root { --edge: 20px; }
  body { font-size: 17px; }
  .grid { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .foot-cols { grid-template-columns: 1fr; }
  .btn { width: 100%; }
  .btn-row .btn { width: 100%; }
  .brand span { display: none; }
  .langmenu .menu { right: auto; left: 0; }
  .cmp td { padding-right: 14px; }
  .cmp td:nth-child(2) { font-size: 0.9rem; }
  .cmp tr[data-self="true"] td:nth-child(2) { font-size: 1rem; }
}