/* ==========================================================================
   Malatya Altın Fiyatları – Sarraf Kuyumculuk
   Ortak tasarım sistemi (tüm sayfalar)
   ========================================================================== */

@layer reset, tokens, base, layout, components, pages, utilities;

/* ---------- Tasarım değişkenleri ---------- */
@layer tokens {
  :root {
    color-scheme: dark;

    /* Renkler (Tier 1) */
    --c-black-0: #0b0a08;
    --c-black-1: #12100d;
    --c-black-2: #1a1712;
    --c-cream: #f4eee2;
    --c-sand: #b9ae9a;
    --c-stone: #7f7666;
    --c-gold-1: #f8e4a6;
    --c-gold-2: #e6bb5f;
    --c-gold-3: #c08f35;
    --c-gold-4: #8a6220;
    --c-green: #45d39a;
    --c-red: #ff7272;

    /* Anlamsal (Tier 2) */
    --bg: var(--c-black-0);
    --bg-elevated: var(--c-black-1);
    --text: var(--c-cream);
    --text-dim: var(--c-sand);
    --text-faint: var(--c-stone);
    --accent: var(--c-gold-2);
    --accent-strong: var(--c-gold-1);
    --up: var(--c-green);
    --down: var(--c-red);

    /* Arayüz (Tier 3) */
    --surface: color-mix(in oklab, var(--c-cream) 4%, transparent);
    --surface-hover: color-mix(in oklab, var(--c-cream) 7%, transparent);
    --surface-strong: color-mix(in oklab, var(--c-black-2) 85%, transparent);
    --border: color-mix(in oklab, var(--c-gold-2) 16%, transparent);
    --border-strong: color-mix(in oklab, var(--c-gold-2) 45%, transparent);
    --gold-gradient: linear-gradient(135deg, var(--c-gold-1), var(--c-gold-2) 45%, var(--c-gold-3) 75%, var(--c-gold-4));
    --gold-text: linear-gradient(180deg, var(--c-gold-1), var(--c-gold-3));
    --shadow-card:
      0 1px 0 color-mix(in oklab, var(--c-cream) 6%, transparent) inset,
      0 10px 30px -12px rgb(0 0 0 / 0.65),
      0 2px 6px rgb(0 0 0 / 0.35);
    --shadow-glow: 0 0 0 1px var(--border-strong), 0 18px 50px -18px color-mix(in oklab, var(--c-gold-2) 55%, transparent);

    --font-serif: "Playfair Display", "Times New Roman", Georgia, serif;
    --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

    --radius-s: 10px;
    --radius-m: 16px;
    --radius-l: 24px;
    --radius-pill: 999px;

    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-7: 3rem;
    --space-8: 4.5rem;

    --container: 1200px;
    --header-h: 72px;
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  }
}

/* ---------- Sıfırlama ---------- */
@layer reset {
  :where(html) {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
  }
  :where(body, h1, h2, h3, h4, p, figure, blockquote, ul, ol, dl, dd) {
    margin: 0;
  }
  :where(ul[class], ol[class]) {
    padding: 0;
    list-style: none;
  }
  :where(img, svg, canvas, iframe) {
    display: block;
    max-inline-size: 100%;
  }
  :where(img) {
    block-size: auto;
  }
  :where(input, button, textarea, select) {
    font: inherit;
    color: inherit;
  }
  :where(button) {
    cursor: pointer;
  }
  :where(table) {
    border-collapse: collapse;
  }
}

/* ---------- Temel ---------- */
@layer base {
  html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-h) + 1rem);
    scrollbar-color: var(--c-gold-4) var(--c-black-1);
    accent-color: var(--accent);
  }
  @media (prefers-reduced-motion: reduce) {
    html {
      scroll-behavior: auto;
    }
  }

  body {
    min-block-size: 100dvh;
    display: flex;
    flex-direction: column;
    background:
      radial-gradient(1200px 600px at 50% -200px, color-mix(in oklab, var(--c-gold-3) 22%, transparent), transparent 70%),
      radial-gradient(800px 500px at 100% 30%, color-mix(in oklab, var(--c-gold-4) 10%, transparent), transparent 70%),
      var(--bg);
    background-attachment: fixed;
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }

  main {
    flex: 1;
  }

  h1, h2, h3 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.01em;
    text-wrap: balance;
  }

  p {
    text-wrap: pretty;
  }

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

  :focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 6px;
  }

  ::selection {
    background: color-mix(in oklab, var(--c-gold-2) 45%, transparent);
    color: var(--c-cream);
  }

  [v-cloak] {
    display: none !important;
  }

  .sr-only {
    position: absolute;
    inline-size: 1px;
    block-size: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .skip-link {
    position: absolute;
    inset-inline-start: var(--space-4);
    inset-block-start: -100px;
    z-index: 100;
    padding: var(--space-2) var(--space-4);
    background: var(--accent);
    color: var(--c-black-0);
    border-radius: var(--radius-s);
    font-weight: 600;
  }
  .skip-link:focus {
    inset-block-start: var(--space-3);
  }
}

/* ---------- Yerleşim ---------- */
@layer layout {
  .container {
    inline-size: min(100% - 2.5rem, var(--container));
    margin-inline: auto;
  }

  .section {
    padding-block: var(--space-6);
  }

  .grid-2 {
    display: grid;
    gap: var(--space-5);
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    align-items: start;
  }
  @media (max-width: 960px) {
    .grid-2 {
      grid-template-columns: minmax(0, 1fr);
    }
  }

  .stack {
    display: grid;
    gap: var(--space-5);
  }

  /* ---- Üst menü ---- */
  .site-header {
    position: sticky;
    inset-block-start: 0;
    z-index: 50;
    view-transition-name: site-header;
    background: color-mix(in oklab, var(--c-black-0) 72%, transparent);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    border-block-end: 1px solid var(--border);
  }

  .header-inner {
    display: flex;
    align-items: center;
    gap: var(--space-5);
    min-block-size: var(--header-h);
  }

  .brand {
    position: relative;
    display: grid;
    flex-shrink: 0;
    inline-size: 128px;
  }
  .brand-logo {
    grid-area: 1 / 1;
    inline-size: 100%;
    opacity: 0;
    transition: opacity 1.2s ease;
  }
  .brand-logo.is-active {
    opacity: 1;
  }

  .site-nav {
    display: flex;
    gap: var(--space-1);
    margin-inline: auto;
  }
  .site-nav a {
    position: relative;
    padding: var(--space-2) var(--space-3);
    color: var(--text-dim);
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--radius-s);
    transition: color 0.2s ease, background-color 0.2s ease;
  }
  .site-nav a:hover {
    color: var(--text);
    background: var(--surface);
  }
  .site-nav a[aria-current="page"] {
    color: var(--accent-strong);
  }
  .site-nav a[aria-current="page"]::after {
    content: "";
    position: absolute;
    inset-inline: var(--space-3);
    inset-block-end: 2px;
    block-size: 2px;
    border-radius: 2px;
    background: var(--gold-gradient);
  }

  .nav-toggle {
    display: none;
    margin-inline-start: auto;
    inline-size: 44px;
    block-size: 44px;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius-s);
    background: var(--surface);
    place-content: center;
    gap: 5px;
  }
  .nav-toggle span {
    display: block;
    inline-size: 20px;
    block-size: 2px;
    border-radius: 2px;
    background: var(--text);
    transition: transform 0.3s var(--ease-out), opacity 0.2s ease;
  }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  @media (max-width: 960px) {
    .nav-toggle {
      display: grid;
    }
    .header-phone span {
      display: none;
    }
    .header-phone {
      order: -1;
      margin-inline-start: auto;
    }
    .site-nav {
      position: absolute;
      inset-inline: 0;
      inset-block-start: 100%;
      flex-direction: column;
      gap: 0;
      padding: var(--space-3) 1.25rem var(--space-5);
      background: color-mix(in oklab, var(--c-black-0) 96%, transparent);
      border-block-end: 1px solid var(--border);
      visibility: hidden;
      opacity: 0;
      translate: 0 -8px;
      transition: opacity 0.25s ease, translate 0.25s var(--ease-out), visibility 0s linear 0.25s;
    }
    .site-header[data-open] .site-nav {
      visibility: visible;
      opacity: 1;
      translate: 0 0;
      transition: opacity 0.25s ease, translate 0.25s var(--ease-out), visibility 0s;
    }
    .site-nav a {
      padding: var(--space-3) var(--space-2);
      font-size: 1.05rem;
      border-block-end: 1px solid var(--border);
      border-radius: 0;
    }
    .site-nav a[aria-current="page"]::after {
      display: none;
    }
  }

  /* ---- Alt bilgi ---- */
  .site-footer {
    margin-block-start: var(--space-8);
    border-block-start: 1px solid var(--border);
    background: linear-gradient(180deg, transparent, color-mix(in oklab, var(--c-gold-4) 8%, transparent));
    color: var(--text-dim);
    font-size: 0.925rem;
  }
  .footer-grid {
    display: grid;
    gap: var(--space-6);
    grid-template-columns: 1.4fr 1fr 1.4fr 1fr;
    padding-block: var(--space-7) var(--space-6);
  }
  @media (max-width: 960px) {
    .footer-grid {
      grid-template-columns: 1fr 1fr;
    }
  }
  @media (max-width: 560px) {
    .footer-grid {
      grid-template-columns: 1fr;
    }
  }
  .footer-brand img {
    inline-size: 140px;
    margin-block-end: var(--space-4);
  }
  .footer-title {
    margin-block-end: var(--space-4);
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
  }
  .footer-links,
  .footer-contact {
    display: grid;
    gap: var(--space-2);
  }
  .footer-links a,
  .footer-contact a {
    color: var(--text-dim);
    text-decoration: none;
  }
  .footer-links a:hover,
  .footer-contact a:hover {
    color: var(--accent-strong);
  }
  .footer-contact li {
    display: flex;
    gap: var(--space-3);
    align-items: start;
  }
  .footer-contact .bi {
    color: var(--accent);
    margin-block-start: 2px;
  }
  .footer-apps {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
  }
  .footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--space-3);
    padding-block: var(--space-4) var(--space-5);
    border-block-start: 1px solid var(--border);
    color: var(--text-faint);
    font-size: 0.85rem;
  }
}

/* ---------- Bileşenler ---------- */
@layer components {
  /* Kart */
  .card {
    position: relative;
    padding: var(--space-5);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-l);
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
  }
  .card-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    margin-block-end: var(--space-4);
  }
  .card-title {
    font-size: 1.35rem;
  }
  .card-sub {
    color: var(--text-faint);
    font-size: 0.875rem;
  }

  /* Başlık alanı */
  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
  }
  .gold-text {
    background: var(--gold-text);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  .page-hero {
    padding-block: var(--space-7) var(--space-5);
    text-align: center;
  }
  .page-hero h1 {
    margin-block: var(--space-3);
    font-size: clamp(2rem, 1.3rem + 2.8vw, 3.25rem);
  }
  .page-hero p {
    max-inline-size: 60ch;
    margin-inline: auto;
    color: var(--text-dim);
  }

  /* Canlı rozeti */
  .live-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.35rem 0.85rem;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-pill);
    background: color-mix(in oklab, var(--c-gold-3) 10%, transparent);
    color: var(--text-dim);
    font-size: 0.85rem;
  }
  .live-dot {
    position: relative;
    inline-size: 8px;
    block-size: 8px;
    border-radius: 50%;
    background: var(--up);
  }
  .live-dot::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: var(--up);
    animation: pulse 2s ease-out infinite;
  }
  @media (prefers-reduced-motion: reduce) {
    .live-dot::after {
      animation: none;
    }
  }
  @keyframes pulse {
    to {
      transform: scale(2.8);
      opacity: 0;
    }
  }

  /* Butonlar */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-block-size: 44px;
    padding: 0 var(--space-5);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-pill);
    background: var(--surface);
    color: var(--text);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    white-space: nowrap;
    transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s var(--ease-out), box-shadow 0.2s ease;
  }
  .btn:hover:not(:disabled) {
    color: var(--text);
    background: var(--surface-hover);
    border-color: var(--accent);
  }
  .btn:active:not(:disabled) {
    transform: scale(0.97);
  }
  .btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
  }
  .btn-gold {
    border-color: transparent;
    background: var(--gold-gradient);
    color: var(--c-black-0);
    box-shadow: 0 8px 24px -10px color-mix(in oklab, var(--c-gold-2) 70%, transparent);
  }
  .btn-gold:hover:not(:disabled) {
    color: var(--c-black-0);
    background: var(--gold-gradient);
    box-shadow: 0 12px 32px -10px color-mix(in oklab, var(--c-gold-2) 90%, transparent);
    transform: translateY(-1px);
  }
  .btn-pill {
    min-block-size: 40px;
    padding: 0 var(--space-4);
    font-size: 0.9rem;
  }
  .btn-icon {
    inline-size: 40px;
    min-block-size: 40px;
    padding: 0;
  }

  /* Fiyat değişim göstergesi */
  .trend {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    font-size: 0.8rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
  }
  .trend.up {
    color: var(--up);
  }
  .trend.down {
    color: var(--down);
  }
  .trend.flat {
    color: var(--text-faint);
  }

  .num {
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum";
  }

  /* Değer değişince kısa parlama */
  .flash-up {
    animation: flash-up 1.4s ease-out;
  }
  .flash-down {
    animation: flash-down 1.4s ease-out;
  }
  @keyframes flash-up {
    0% {
      color: var(--up);
      text-shadow: 0 0 18px color-mix(in oklab, var(--up) 70%, transparent);
    }
  }
  @keyframes flash-down {
    0% {
      color: var(--down);
      text-shadow: 0 0 18px color-mix(in oklab, var(--down) 70%, transparent);
    }
  }
  @media (prefers-reduced-motion: reduce) {
    .flash-up,
    .flash-down {
      animation: none;
    }
  }

  /* Tablo */
  .table-wrap {
    overflow-x: auto;
    margin-inline: calc(var(--space-2) * -1);
  }
  .table {
    inline-size: 100%;
    font-size: 0.975rem;
  }
  .table th {
    padding: var(--space-3) var(--space-3);
    color: var(--text-faint);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-align: start;
    text-transform: uppercase;
    border-block-end: 1px solid var(--border);
  }
  .table td {
    padding: 0.85rem var(--space-3);
    border-block-end: 1px solid color-mix(in oklab, var(--c-cream) 6%, transparent);
  }
  .table tbody tr {
    transition: background-color 0.15s ease;
  }
  .table tbody tr:hover {
    background: var(--surface);
  }
  .table tbody tr:last-child td {
    border-block-end: 0;
  }
  .table .end {
    text-align: end;
  }
  .table .name {
    font-weight: 500;
  }
  .table tr.is-featured td {
    background: color-mix(in oklab, var(--c-gold-3) 10%, transparent);
  }
  .table tr.is-featured td:first-child {
    box-shadow: inset 3px 0 0 var(--accent);
  }
  .price-cell {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    justify-content: flex-end;
  }

  /* Form alanları */
  .field {
    display: grid;
    gap: var(--space-2);
  }
  .field label {
    color: var(--text-dim);
    font-size: 0.85rem;
    font-weight: 500;
  }
  .input,
  .select,
  .textarea {
    inline-size: 100%;
    min-block-size: 48px;
    padding: 0 var(--space-4);
    border: 1px solid var(--border);
    border-radius: var(--radius-m);
    background: color-mix(in oklab, var(--c-black-2) 80%, transparent);
    color: var(--text);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
  }
  .textarea {
    padding-block: var(--space-3);
    resize: vertical;
    min-block-size: 140px;
  }
  .select {
    appearance: none;
    padding-inline-end: 2.75rem;
    background-image:
      linear-gradient(45deg, transparent 50%, var(--accent) 50%),
      linear-gradient(135deg, var(--accent) 50%, transparent 50%);
    background-position: calc(100% - 22px) 50%, calc(100% - 16px) 50%;
    background-size: 6px 6px;
    background-repeat: no-repeat;
  }
  .select option {
    background: var(--c-black-2);
    color: var(--text);
  }
  .input:hover,
  .select:hover,
  .textarea:hover {
    border-color: var(--border-strong);
  }
  .input:focus-visible,
  .select:focus-visible,
  .textarea:focus-visible {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px color-mix(in oklab, var(--c-gold-2) 18%, transparent);
  }
  .input::placeholder,
  .textarea::placeholder {
    color: var(--text-faint);
  }
  .is-invalid {
    border-color: var(--down);
  }
  .field-error {
    color: var(--down);
    font-size: 0.825rem;
  }
  @media (forced-colors: active) {
    .input:focus-visible,
    .select:focus-visible,
    .textarea:focus-visible {
      outline: 2px solid Highlight;
    }
  }

  /* Sekmeli seçim (segment) */
  .segmented {
    display: inline-flex;
    padding: 4px;
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    background: var(--surface);
  }
  .segmented button {
    min-block-size: 36px;
    padding: 0 var(--space-4);
    border: 0;
    border-radius: var(--radius-pill);
    background: transparent;
    color: var(--text-dim);
    font-size: 0.875rem;
    font-weight: 600;
    transition: background-color 0.2s ease, color 0.2s ease;
  }
  .segmented button:hover:not([aria-pressed="true"]) {
    color: var(--text);
  }
  .segmented button[aria-pressed="true"] {
    background: var(--gold-gradient);
    color: var(--c-black-0);
  }

  /* Çip */
  .chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
  }
  .chip {
    min-block-size: 36px;
    padding: 0 var(--space-4);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    background: var(--surface);
    color: var(--text-dim);
    font-size: 0.875rem;
    font-weight: 500;
    transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
  }
  .chip:hover {
    border-color: var(--border-strong);
    color: var(--text);
  }
  .chip[aria-pressed="true"] {
    border-color: var(--accent);
    background: color-mix(in oklab, var(--c-gold-2) 14%, transparent);
    color: var(--accent-strong);
  }

  /* Boş durum */
  .empty {
    display: grid;
    justify-items: center;
    gap: var(--space-2);
    padding: var(--space-7) var(--space-4);
    color: var(--text-faint);
    text-align: center;
  }
  .empty .bi {
    font-size: 2rem;
    color: var(--accent);
    opacity: 0.7;
  }

  /* Yükleniyor iskeleti */
  .skeleton {
    display: inline-block;
    inline-size: 5.5em;
    block-size: 1em;
    border-radius: 6px;
    background: linear-gradient(90deg, var(--surface) 25%, var(--surface-hover) 50%, var(--surface) 75%) 0 0 / 200% 100%;
    animation: shimmer 1.4s linear infinite;
    vertical-align: middle;
  }
  @media (prefers-reduced-motion: reduce) {
    .skeleton {
      animation: none;
    }
  }
  @keyframes shimmer {
    to {
      background-position: -200% 0;
    }
  }

  /* Bilgi/uyarı kutusu */
  .notice {
    display: flex;
    gap: var(--space-3);
    align-items: start;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--border);
    border-radius: var(--radius-m);
    background: var(--surface);
    color: var(--text-dim);
    font-size: 0.9rem;
  }
  .notice.success {
    border-color: color-mix(in oklab, var(--up) 50%, transparent);
    color: var(--up);
  }
  .notice.error {
    border-color: color-mix(in oklab, var(--down) 50%, transparent);
    color: var(--down);
  }

  /* Mağaza rozetleri */
  .store-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    min-block-size: 52px;
    padding: var(--space-2) var(--space-4);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-m);
    background: color-mix(in oklab, var(--c-black-2) 80%, transparent);
    color: var(--text);
    text-decoration: none;
    transition: border-color 0.2s ease, transform 0.2s var(--ease-out);
  }
  .store-badge:hover {
    color: var(--text);
    border-color: var(--accent);
    transform: translateY(-2px);
  }
  .store-badge .bi {
    font-size: 1.6rem;
    color: var(--accent-strong);
  }
  .store-badge small {
    display: block;
    color: var(--text-faint);
    font-size: 0.7rem;
    line-height: 1.2;
  }
  .store-badge strong {
    display: block;
    font-size: 0.95rem;
    line-height: 1.2;
  }
  .store-badge.compact {
    min-block-size: 44px;
    padding: var(--space-1) var(--space-3);
  }
  .store-badge.compact .bi {
    font-size: 1.25rem;
  }
}

/* ---------- Sayfaya özel ---------- */
@layer pages {
  /* ===== Ana sayfa ===== */
  .ticker {
    overflow: hidden;
    border-block-end: 1px solid var(--border);
    background: color-mix(in oklab, var(--c-black-1) 70%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  }
  .ticker-track {
    display: flex;
    inline-size: max-content;
    animation: ticker 50s linear infinite;
  }
  .ticker:hover .ticker-track {
    animation-play-state: paused;
  }
  .ticker-item {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-5);
    font-size: 0.875rem;
    white-space: nowrap;
    border-inline-end: 1px solid var(--border);
  }
  .ticker-item .label {
    color: var(--text-dim);
  }
  .ticker-item .value {
    font-weight: 600;
  }
  @keyframes ticker {
    to {
      transform: translateX(-50%);
    }
  }
  @media (prefers-reduced-motion: reduce) {
    .ticker {
      overflow-x: auto;
    }
    .ticker-track {
      animation: none;
    }
  }

  .hero {
    padding-block: var(--space-7) var(--space-6);
    text-align: center;
  }
  .hero h1 {
    margin-block: var(--space-3) var(--space-4);
    font-size: clamp(2.1rem, 1.2rem + 3.6vw, 3.75rem);
  }
  .hero-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3);
  }

  .feature-grid {
    display: grid;
    gap: var(--space-4);
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  @media (max-width: 960px) {
    .feature-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
  }

  .price-card {
    container-type: inline-size;
    display: grid;
    gap: var(--space-3);
    padding: var(--space-5);
    border: 1px solid var(--border);
    border-radius: var(--radius-l);
    background:
      radial-gradient(120% 80% at 50% 0%, color-mix(in oklab, var(--c-gold-3) 16%, transparent), transparent 60%),
      var(--surface);
    box-shadow: var(--shadow-card);
    text-align: center;
    transition: transform 0.35s var(--ease-out), box-shadow 0.35s ease, border-color 0.35s ease;
  }
  .price-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-glow);
  }
  .price-card img {
    inline-size: min(140px, 70%);
    aspect-ratio: 200 / 147;
    object-fit: contain;
    margin-inline: auto;
    filter: drop-shadow(0 12px 18px rgb(0 0 0 / 0.55));
    transition: transform 0.5s var(--ease-out);
  }
  .price-card:hover img {
    transform: scale(1.06) rotate(-3deg);
  }
  .price-card h2 {
    font-size: 1.2rem;
  }
  .price-pair {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
    padding-block-start: var(--space-3);
    border-block-start: 1px solid var(--border);
    text-align: start;
  }
  .price-pair > div + div {
    text-align: end;
  }
  .price-label {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    color: var(--text-faint);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }
  .price-pair > div + div .price-label {
    justify-content: flex-end;
  }
  .price-value {
    font-size: clamp(1.05rem, 0.7rem + 3.2cqi, 1.45rem);
    font-weight: 700;
    letter-spacing: -0.01em;
    font-variant-numeric: tabular-nums;
  }
  .price-value.sell {
    color: var(--accent-strong);
  }
  @container (max-width: 210px) {
    .price-pair {
      grid-template-columns: 1fr;
      text-align: center;
    }
    .price-pair > div + div {
      text-align: center;
    }
    .price-label,
    .price-pair > div + div .price-label {
      justify-content: center;
    }
  }

  .table-tools {
    position: relative;
    inline-size: min(100%, 240px);
  }
  .table-tools .bi {
    position: absolute;
    inset-inline-start: var(--space-4);
    inset-block-start: 50%;
    translate: 0 -50%;
    color: var(--text-faint);
    pointer-events: none;
  }
  .table-tools .input {
    min-block-size: 40px;
    padding-inline-start: 2.5rem;
    border-radius: var(--radius-pill);
    font-size: 0.9rem;
  }

  .chart-box {
    position: relative;
    block-size: 240px;
  }
  .chart-box.tall {
    block-size: 340px;
  }
  @media (max-width: 560px) {
    .chart-box.tall {
      block-size: 260px;
    }
  }

  .stat-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
    margin-block-start: var(--space-4);
  }
  .stat {
    padding: var(--space-3);
    border: 1px solid var(--border);
    border-radius: var(--radius-m);
    background: color-mix(in oklab, var(--c-black-2) 50%, transparent);
  }
  .stat small {
    display: block;
    color: var(--text-faint);
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }
  .stat strong {
    font-size: 1rem;
    font-variant-numeric: tabular-nums;
  }

  .has-price {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-3);
    padding-block-start: var(--space-4);
    margin-block-start: var(--space-4);
    border-block-start: 1px solid var(--border);
    color: var(--text-dim);
    font-size: 0.9rem;
  }
  .has-price strong {
    color: var(--accent-strong);
    font-size: 1.15rem;
  }

  .app-card p {
    color: var(--text-dim);
    font-size: 0.925rem;
    margin-block-end: var(--space-4);
  }
  .app-badges {
    display: grid;
    gap: var(--space-3);
  }

  /* ===== Fiyat değişimi ===== */
  .filters {
    display: grid;
    gap: var(--space-4);
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    align-items: end;
  }
  @media (max-width: 720px) {
    .filters {
      grid-template-columns: minmax(0, 1fr);
    }
  }
  .quick-picks {
    margin-block-start: var(--space-4);
  }
  .history-table {
    margin-block-start: var(--space-5);
    max-block-size: 520px;
    overflow: auto;
  }
  .history-table thead th {
    position: sticky;
    inset-block-start: 0;
    background: var(--c-black-1);
  }
  .delta {
    margin-inline-start: var(--space-2);
    font-size: 0.8rem;
  }

  /* ===== Hesaplama ===== */
  .calc-add {
    display: grid;
    gap: var(--space-3);
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }
  @media (max-width: 560px) {
    .calc-add {
      grid-template-columns: minmax(0, 1fr);
    }
  }
  .calc-list {
    display: grid;
    gap: var(--space-3);
    margin-block-start: var(--space-5);
  }
  .calc-item {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3) var(--space-4);
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--border);
    border-radius: var(--radius-m);
    background: color-mix(in oklab, var(--c-black-2) 55%, transparent);
    animation: rise 0.35s var(--ease-out);
  }
  @keyframes rise {
    from {
      opacity: 0;
      transform: translateY(6px);
    }
  }
  @media (prefers-reduced-motion: reduce) {
    .calc-item {
      animation: none;
    }
  }
  .calc-item .item-info {
    flex: 1 1 200px;
    min-width: 160px;
  }
  .calc-item .unit {
    display: block;
    color: var(--text-faint);
    font-size: 0.8rem;
    margin-top: 2px;
  }
  .calc-item .amount-group {
    display: flex;
    gap: var(--space-4);
    align-items: center;
    flex-wrap: wrap;
  }
  .calc-item .amount {
    min-width: 120px;
  }
  .calc-item .amount small {
    display: block;
    color: var(--text-faint);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }
  .calc-item .amount strong {
    font-variant-numeric: tabular-nums;
  }
  .stepper {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    background: var(--surface);
  }
  .stepper button {
    inline-size: 36px;
    block-size: 36px;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: var(--accent);
    font-size: 1.1rem;
  }
  .stepper button:hover:not(:disabled) {
    background: var(--surface-hover);
  }
  .stepper input {
    inline-size: 3.2em;
    border: 0;
    background: transparent;
    text-align: center;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    -moz-appearance: textfield;
    appearance: textfield;
  }
  .stepper input::-webkit-outer-spin-button,
  .stepper input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
  }
  .remove-btn {
    inline-size: 36px;
    block-size: 36px;
    border: 1px solid transparent;
    border-radius: 50%;
    background: transparent;
    color: var(--text-faint);
    transition: color 0.2s ease, border-color 0.2s ease;
  }
  .remove-btn:hover {
    color: var(--down);
    border-color: color-mix(in oklab, var(--down) 40%, transparent);
  }
  .totals {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-block-start: var(--space-5);
  }
  @media (max-width: 560px) {
    .totals {
      grid-template-columns: 1fr;
    }
  }
  .total-box {
    padding: var(--space-5);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-l);
    background:
      radial-gradient(100% 120% at 0% 0%, color-mix(in oklab, var(--c-gold-3) 20%, transparent), transparent 60%),
      var(--surface);
  }
  .total-box small {
    color: var(--text-dim);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }
  .total-box strong {
    display: block;
    margin-block-start: var(--space-1);
    font-size: clamp(1.6rem, 1.1rem + 2vw, 2.3rem);
    font-variant-numeric: tabular-nums;
  }
  .total-box.sell strong {
    color: var(--accent-strong);
  }

  /* ===== Hakkımızda ===== */
  .about-grid {
    display: grid;
    gap: var(--space-6);
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    align-items: start;
  }
  @media (max-width: 860px) {
    .about-grid {
      grid-template-columns: minmax(0, 1fr);
    }
  }
  .about-lead {
    font-family: var(--font-serif);
    font-size: clamp(1.25rem, 1rem + 1vw, 1.6rem);
    line-height: 1.45;
    color: var(--text);
  }
  .prose {
    display: grid;
    gap: var(--space-4);
    color: var(--text-dim);
    font-size: 1.05rem;
  }
  .timeline {
    position: relative;
    display: grid;
    gap: var(--space-5);
    padding-inline-start: var(--space-6);
  }
  .timeline::before {
    content: "";
    position: absolute;
    inset-block: 6px;
    inset-inline-start: 7px;
    inline-size: 2px;
    background: linear-gradient(180deg, var(--c-gold-2), color-mix(in oklab, var(--c-gold-2) 10%, transparent));
  }
  .timeline li {
    position: relative;
  }
  .timeline li::before {
    content: "";
    position: absolute;
    inset-inline-start: calc(var(--space-6) * -1 + 1px);
    inset-block-start: 6px;
    inline-size: 14px;
    block-size: 14px;
    border-radius: 50%;
    background: var(--c-black-0);
    border: 2px solid var(--accent);
    box-shadow: 0 0 0 4px color-mix(in oklab, var(--c-gold-2) 15%, transparent);
  }
  .timeline .year {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--accent-strong);
  }
  .timeline p {
    color: var(--text-dim);
  }
  .quote {
    padding: var(--space-5);
    border-inline-start: 3px solid var(--accent);
    border-radius: 0 var(--radius-m) var(--radius-m) 0;
    background: var(--surface);
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-style: italic;
    color: var(--text);
  }
  .brands {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
  }
  .brand-tile {
    display: grid;
    place-items: center;
    gap: var(--space-3);
    padding: var(--space-5);
    border: 1px solid var(--border);
    border-radius: var(--radius-l);
    background: var(--surface);
    text-align: center;
    color: var(--text-dim);
    font-size: 0.875rem;
  }
  .brand-tile img {
    inline-size: 140px;
  }

  /* ===== İletişim ===== */
  .contact-cards {
    display: grid;
    gap: var(--space-4);
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  @media (max-width: 960px) {
    .contact-cards {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
  }
  @media (max-width: 520px) {
    .contact-cards {
      grid-template-columns: minmax(0, 1fr);
    }
  }
  .contact-card {
    display: grid;
    gap: var(--space-2);
    align-content: start;
    padding: var(--space-5);
    border: 1px solid var(--border);
    border-radius: var(--radius-l);
    background: var(--surface);
    transition: border-color 0.25s ease, transform 0.25s var(--ease-out);
  }
  .contact-card:hover {
    border-color: var(--border-strong);
    transform: translateY(-3px);
  }
  .contact-card .icon {
    display: grid;
    place-items: center;
    inline-size: 44px;
    block-size: 44px;
    border-radius: 14px;
    background: color-mix(in oklab, var(--c-gold-2) 14%, transparent);
    color: var(--accent-strong);
    font-size: 1.2rem;
  }
  .contact-card h2 {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-faint);
  }
  .contact-card p,
  .contact-card a {
    color: var(--text);
    text-decoration: none;
    overflow-wrap: anywhere;
  }
  .contact-card a:hover {
    color: var(--accent-strong);
  }
  .map {
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius-l);
    aspect-ratio: 16 / 10;
  }
  .map iframe {
    inline-size: 100%;
    block-size: 100%;
    border: 0;
    filter: grayscale(0.6) invert(0.9) hue-rotate(180deg) contrast(0.9);
  }
  .form-grid {
    display: grid;
    gap: var(--space-4);
    grid-template-columns: 1fr 1fr;
  }
  .form-grid .full {
    grid-column: 1 / -1;
  }
  @media (max-width: 560px) {
    .form-grid {
      grid-template-columns: 1fr;
    }
  }

  /* ===== Hesaplama ===== */
  .calc-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: var(--space-5);
    align-items: start;
  }
  @media (max-width: 880px) {
    .calc-layout {
      grid-template-columns: minmax(0, 1fr);
    }
  }

  /* ===== Hakkımızda & İstatistikler ===== */
  .stats-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
  }
  @media (max-width: 640px) {
    .stats-row {
      grid-template-columns: 1fr;
    }
  }

  /* ===== İletişim Yerleşimi ===== */
  .contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
    align-items: start;
  }
  @media (max-width: 880px) {
    .contact-layout {
      grid-template-columns: 1fr;
    }
  }

  /* ===== 404 ===== */
  .not-found {
    display: grid;
    place-items: center;
    gap: var(--space-4);
    padding-block: var(--space-8);
    text-align: center;
  }
  .not-found .code {
    font-family: var(--font-serif);
    font-size: clamp(5rem, 3rem + 10vw, 9rem);
    line-height: 1;
  }
}

/* ---------- Yardımcılar ---------- */
@layer utilities {
  .mt-4 {
    margin-block-start: var(--space-4);
  }
  .mt-5 {
    margin-block-start: var(--space-5);
  }
  .text-dim {
    color: var(--text-dim);
  }
  .text-up {
    color: var(--up);
  }
  .text-down {
    color: var(--down);
  }
}

/* ---------- Kaydırınca beliren öğeler (destekleyen tarayıcılarda) ---------- */
@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      animation: reveal linear both;
      animation-timeline: view();
      animation-range: entry 0% entry 35%;
    }
    @keyframes reveal {
      from {
        opacity: 0;
        transform: translateY(24px);
      }
    }
  }
}

/* ---------- Sayfa geçişleri (çok sayfalı site, destekleyen tarayıcılarda) ---------- */
@media (prefers-reduced-motion: no-preference) {
  @view-transition {
    navigation: auto;
  }
  ::view-transition-old(root) {
    animation: 0.25s ease-in both vt-fade-out;
  }
  ::view-transition-new(root) {
    animation: 0.35s var(--ease-out) both vt-fade-in;
  }
  @keyframes vt-fade-out {
    to {
      opacity: 0;
      transform: translateY(-6px);
    }
  }
  @keyframes vt-fade-in {
    from {
      opacity: 0;
      transform: translateY(10px);
    }
  }
}