/* ========================================
   Altın Hesaplayıcı — Premium Design System
   Senior-Level Finance UI · Light/Dark · Print
   Glassmorphism · Micro-animations · A11y
   ======================================== */

/* ---- Custom Properties ---- */
:root {
  --bg: #f5f5f7;
  --bg2: #ffffff;
  --card: #ffffff;
  --card-hover: #fafafa;
  --card-glass: rgba(255,255,255,.72);
  --text: #111827;
  --text2: #4b5563;
  --muted: #9ca3af;
  --border: #e5e7eb;
  --border-light: #f3f4f6;

  --gold: #b8860b;
  --gold-light: #d4a72c;
  --gold-bright: #f0c040;
  --gold-bg: #fef9e7;
  --gold-bg2: rgba(184,134,11,.06);
  --gold-glow: rgba(184,134,11,.2);
  --gold-gradient: linear-gradient(135deg, #d4a72c 0%, #b8860b 50%, #8b6914 100%);
  --gold-gradient-soft: linear-gradient(135deg, #fef9e7 0%, #fdf3d0 100%);

  --success: #059669;
  --success-bg: #ecfdf5;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --info: #2563eb;
  --info-bg: #eff6ff;

  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --radius-full: 9999px;

  --shadow-xs: 0 1px 2px rgba(0,0,0,.04);
  --shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 6px rgba(0,0,0,.05), 0 2px 4px rgba(0,0,0,.04);
  --shadow-lg: 0 10px 25px rgba(0,0,0,.08), 0 4px 10px rgba(0,0,0,.04);
  --shadow-xl: 0 20px 50px rgba(0,0,0,.1), 0 8px 20px rgba(0,0,0,.06);
  --shadow-gold: 0 4px 16px rgba(184,134,11,.15);
  --shadow-inset: inset 0 1px 2px rgba(0,0,0,.06);

  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --mono: "SF Mono", "Cascadia Code", "Fira Code", "JetBrains Mono", monospace;

  --ease: cubic-bezier(.4, 0, .2, 1);
  --ease-bounce: cubic-bezier(.34, 1.56, .64, 1);
  --ease-out: cubic-bezier(0, 0, .2, 1);
  --duration: .2s;
  --duration-md: .3s;
  --duration-lg: .5s;

  --max-w: 1200px;
  --max-w-narrow: 800px;
  --header-h: 68px;
  --z-header: 100;
  --z-modal: 200;
  --z-toast: 300;
}

[data-theme="dark"] {
  --bg: #0a0a14;
  --bg2: #111827;
  --card: #1f2937;
  --card-hover: #263040;
  --card-glass: rgba(31,41,55,.78);
  --text: #f3f4f6;
  --text2: #d1d5db;
  --muted: #6b7280;
  --border: #374151;
  --border-light: #1f2937;

  --gold: #f0c040;
  --gold-light: #f5d060;
  --gold-bright: #ffe066;
  --gold-bg: #1a1708;
  --gold-bg2: rgba(240,192,64,.08);
  --gold-glow: rgba(240,192,64,.2);
  --gold-gradient: linear-gradient(135deg, #f0c040 0%, #d4a72c 50%, #b8860b 100%);
  --gold-gradient-soft: linear-gradient(135deg, #1a1708 0%, #201c0e 100%);

  --success-bg: #064e3b;
  --danger-bg: #450a0a;
  --info-bg: #1e3a5f;

  --shadow-xs: 0 1px 2px rgba(0,0,0,.2);
  --shadow: 0 1px 3px rgba(0,0,0,.3);
  --shadow-md: 0 4px 6px rgba(0,0,0,.2);
  --shadow-lg: 0 10px 25px rgba(0,0,0,.3);
  --shadow-xl: 0 20px 50px rgba(0,0,0,.4);
  --shadow-gold: 0 4px 16px rgba(240,192,64,.15);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.65; min-height: 100vh; display: flex; flex-direction: column; overflow-x: hidden; }
a { color: var(--gold); text-decoration: none; transition: color var(--duration) var(--ease); }
a:hover { color: var(--gold-light); }
img { max-width: 100%; height: auto; display: block; }
button { font-family: var(--font); }
::selection { background: var(--gold-bg); color: var(--gold); }

/* ---- Layout ---- */
.container { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: var(--max-w-narrow); }
.main { flex: 1; padding: 32px 0 64px; }

/* ---- Header ---- */
.site-header { background: var(--card-glass); backdrop-filter: blur(20px) saturate(180%); -webkit-backdrop-filter: blur(20px) saturate(180%); border-bottom: 1px solid var(--border-light); height: var(--header-h); position: sticky; top: 0; z-index: var(--z-header); transition: box-shadow var(--duration-md) var(--ease); }
.site-header.scrolled { box-shadow: var(--shadow-md); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; gap: 16px; }

.logo { font-size: 1.2rem; font-weight: 800; color: var(--text); display: flex; align-items: center; gap: 10px; letter-spacing: -.02em; white-space: nowrap; }
.logo:hover { text-decoration: none; color: var(--gold); }
.logo-icon { width: 36px; height: 36px; background: var(--gold-gradient); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 1.1rem; color: #fff; box-shadow: var(--shadow-gold); }

.nav { display: flex; align-items: center; gap: 2px; }
.nav a { padding: 8px 16px; border-radius: var(--radius-full); font-size: .875rem; font-weight: 500; color: var(--text2); transition: all var(--duration) var(--ease); position: relative; }
.nav a:hover { background: var(--gold-bg2); color: var(--gold); text-decoration: none; }
.nav a.active { background: var(--gold-bg); color: var(--gold); font-weight: 600; }

.header-actions { display: flex; align-items: center; gap: 8px; }

.theme-toggle { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-full); width: 40px; height: 40px; cursor: pointer; font-size: 1rem; display: flex; align-items: center; justify-content: center; transition: all var(--duration) var(--ease); color: var(--text2); }
.theme-toggle:hover { border-color: var(--gold); color: var(--gold); transform: rotate(15deg); }

.mobile-toggle { display: none; background: none; border: none; font-size: 1.4rem; cursor: pointer; color: var(--text); padding: 8px; border-radius: var(--radius-sm); transition: background var(--duration) var(--ease); }
.mobile-toggle:hover { background: var(--gold-bg2); }

/* ---- Hero Section ---- */
.hero { text-align: center; padding: 56px 0 48px; position: relative; }
.hero::before { content: ""; position: absolute; top: -100px; left: 50%; transform: translateX(-50%); width: 600px; height: 600px; background: radial-gradient(circle, var(--gold-glow) 0%, transparent 70%); pointer-events: none; z-index: -1; opacity: .6; }
.hero-badge { display: inline-flex; align-items: center; gap: 6px; padding: 6px 16px; background: var(--gold-bg); border: 1px solid var(--gold-bg2); border-radius: var(--radius-full); font-size: .78rem; font-weight: 600; color: var(--gold); margin-bottom: 20px; letter-spacing: .02em; text-transform: uppercase; }
.hero-badge-dot { width: 6px; height: 6px; background: var(--gold); border-radius: 50%; animation: pulse-dot 2s infinite; }
@keyframes pulse-dot { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: .5; transform: scale(1.4); } }
.hero h1 { font-family: var(--font-display); font-size: clamp(2rem, 5vw, 3rem); font-weight: 800; line-height: 1.15; letter-spacing: -.03em; margin-bottom: 16px; background: var(--gold-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-subtitle { font-size: clamp(1rem, 2.5vw, 1.2rem); color: var(--text2); max-width: 600px; margin: 0 auto 32px; line-height: 1.7; }
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ---- Stats bar ---- */
.stats-bar { display: flex; justify-content: center; gap: 48px; padding: 24px 0; margin-bottom: 32px; }
.stat-item { text-align: center; }
.stat-value { font-size: 1.5rem; font-weight: 800; color: var(--text); font-variant-numeric: tabular-nums; }
.stat-label { font-size: .78rem; color: var(--muted); margin-top: 2px; text-transform: uppercase; letter-spacing: .04em; }

/* ---- Breadcrumb ---- */
.breadcrumb { display: flex; flex-wrap: wrap; gap: 4px; list-style: none; font-size: .82rem; color: var(--muted); margin-bottom: 24px; padding: 12px 0; }
.breadcrumb li { display: flex; align-items: center; gap: 8px; }
.breadcrumb li::after { content: "›"; color: var(--border); font-size: 1rem; }
.breadcrumb li:last-child::after { content: ""; }
.breadcrumb a { color: var(--muted); font-weight: 500; }
.breadcrumb a:hover { color: var(--gold); }

/* ---- Cards ---- */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); transition: all var(--duration-md) var(--ease); }
.card:hover { box-shadow: var(--shadow-lg); }
.card-glass { background: var(--card-glass); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.card-gold { border-color: var(--gold-bg2); background: var(--gold-gradient-soft); }
.card-sm { padding: 20px; }
.card-flush { padding: 0; overflow: hidden; }

/* ---- Section ---- */
.section { margin-bottom: 48px; }
.section-header { margin-bottom: 24px; }
.section-title { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; color: var(--text); letter-spacing: -.02em; display: flex; align-items: center; gap: 10px; }
.section-title-icon { width: 32px; height: 32px; background: var(--gold-bg); border-radius: var(--radius-xs); display: flex; align-items: center; justify-content: center; font-size: .9rem; flex-shrink: 0; }
.section-subtitle { font-size: .95rem; color: var(--muted); margin-top: 6px; line-height: 1.6; }
.section-badge { font-size: .7rem; font-weight: 700; color: var(--gold); background: var(--gold-bg); padding: 3px 10px; border-radius: var(--radius-full); text-transform: uppercase; letter-spacing: .06em; }

/* ---- Tabs ---- */
.tabs { display: flex; gap: 0; margin-bottom: 28px; background: var(--bg); border-radius: var(--radius-sm); padding: 4px; border: 1px solid var(--border); }
.tab-btn { flex: 1; padding: 10px 20px; border: none; background: none; font-size: .875rem; font-weight: 600; color: var(--muted); cursor: pointer; border-radius: var(--radius-xs); transition: all var(--duration) var(--ease); font-family: var(--font); text-align: center; }
.tab-btn:hover { color: var(--text); }
.tab-btn.active { background: var(--card); color: var(--gold); box-shadow: var(--shadow); }
.tab-content { display: none; animation: fadeIn var(--duration-md) var(--ease); }
.tab-content.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

/* ---- Form elements ---- */
.form-group { margin-bottom: 18px; }
.form-label { display: flex; align-items: center; gap: 6px; font-size: .82rem; font-weight: 600; margin-bottom: 8px; color: var(--text); text-transform: uppercase; letter-spacing: .03em; }
.form-label-badge { font-size: .65rem; font-weight: 700; color: var(--gold); background: var(--gold-bg); padding: 2px 8px; border-radius: var(--radius-full); }
.form-hint { font-size: .78rem; color: var(--muted); margin-top: 6px; line-height: 1.5; }
.form-input, .form-select { width: 100%; padding: 12px 16px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); font-size: .95rem; font-family: var(--font); background: var(--bg2); color: var(--text); transition: all var(--duration) var(--ease); box-shadow: var(--shadow-inset); -webkit-appearance: none; }
.form-input:focus, .form-select:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 4px var(--gold-glow), var(--shadow-inset); }
.form-input::placeholder { color: var(--muted); }
.form-input.error { border-color: var(--danger); box-shadow: 0 0 0 4px rgba(220,38,38,.1), var(--shadow-inset); }
.form-error { font-size: .78rem; color: var(--danger); margin-top: 6px; display: none; font-weight: 500; }
.form-error.show { display: flex; align-items: center; gap: 4px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-divider { height: 1px; background: var(--border); margin: 24px 0; }

/* ---- Chips ---- */
.chip-group { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { padding: 10px 18px; border: 1.5px solid var(--border); border-radius: var(--radius-full); font-size: .85rem; font-weight: 600; cursor: pointer; background: var(--bg2); color: var(--text2); transition: all var(--duration) var(--ease-bounce); font-family: var(--font); user-select: none; }
.chip:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-1px); }
.chip.active { background: var(--gold-gradient); border-color: transparent; color: #fff; box-shadow: var(--shadow-gold); transform: translateY(-1px); }

/* ---- Radio pills ---- */
.radio-pills { display: flex; gap: 4px; background: var(--bg); border-radius: var(--radius-sm); padding: 4px; border: 1px solid var(--border); }
.radio-pill { flex: 1; padding: 10px 16px; border: none; border-radius: var(--radius-xs); font-size: .85rem; font-weight: 600; cursor: pointer; background: transparent; color: var(--muted); transition: all var(--duration) var(--ease); font-family: var(--font); text-align: center; }
.radio-pill:hover { color: var(--text); }
.radio-pill.active { background: var(--gold-gradient); color: #fff; box-shadow: var(--shadow-gold); }
.radio-pill input { position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none; }

/* ---- Buttons ---- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 24px; border: none; border-radius: var(--radius-sm); font-size: .9rem; font-weight: 600; cursor: pointer; transition: all var(--duration) var(--ease); font-family: var(--font); text-decoration: none; position: relative; overflow: hidden; }
.btn::after { content: ""; position: absolute; inset: 0; background: linear-gradient(rgba(255,255,255,.15), transparent); pointer-events: none; opacity: 0; transition: opacity var(--duration); }
.btn:hover::after { opacity: 1; }
.btn:active { transform: scale(.98); }

.btn-primary { background: var(--gold-gradient); color: #fff; box-shadow: var(--shadow-gold); }
.btn-primary:hover { box-shadow: 0 6px 20px rgba(184,134,11,.25); transform: translateY(-1px); text-decoration: none; color: #fff; }

.btn-secondary { background: var(--card); color: var(--text2); border: 1.5px solid var(--border); box-shadow: var(--shadow-xs); }
.btn-secondary:hover { border-color: var(--gold); color: var(--gold); box-shadow: var(--shadow); text-decoration: none; }

.btn-ghost { background: transparent; color: var(--text2); }
.btn-ghost:hover { background: var(--gold-bg2); color: var(--gold); text-decoration: none; }

.btn-sm { padding: 8px 14px; font-size: .82rem; border-radius: var(--radius-xs); }
.btn-lg { padding: 14px 32px; font-size: 1rem; border-radius: var(--radius); }
.btn-block { width: 100%; }
.btn-icon { width: 40px; height: 40px; padding: 0; border-radius: var(--radius-sm); }

/* ---- Result display ---- */
.result-total { text-align: center; padding: 40px 28px; background: var(--gold-gradient-soft); border: 2px solid var(--gold-bg2); border-radius: var(--radius); margin-bottom: 24px; position: relative; overflow: hidden; }
.result-total::before { content: ""; position: absolute; top: -50%; right: -20%; width: 300px; height: 300px; background: radial-gradient(circle, var(--gold-glow) 0%, transparent 70%); pointer-events: none; }
.result-total-label { font-size: .8rem; font-weight: 700; color: var(--muted); margin-bottom: 8px; text-transform: uppercase; letter-spacing: .08em; }
.result-total-value { font-size: clamp(2rem, 5vw, 3rem); font-weight: 800; color: var(--gold); font-variant-numeric: tabular-nums; letter-spacing: -.02em; position: relative; }
.result-total-unit { font-size: .85rem; color: var(--muted); margin-top: 8px; font-weight: 500; }

.result-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 20px; }
.result-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 20px 16px; text-align: center; transition: all var(--duration) var(--ease); }
.result-card:hover { border-color: var(--gold-bg2); box-shadow: var(--shadow-md); }
.result-card-label { font-size: .72rem; font-weight: 600; color: var(--muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .05em; }
.result-card-value { font-size: 1.2rem; font-weight: 700; color: var(--text); font-variant-numeric: tabular-nums; }

/* ---- Compare table ---- */
.compare-table { width: 100%; border-collapse: separate; border-spacing: 0; margin-bottom: 24px; font-variant-numeric: tabular-nums; border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--border); }
.compare-table th, .compare-table td { padding: 14px 18px; text-align: left; }
.compare-table th { font-size: .75rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; background: var(--bg); border-bottom: 2px solid var(--border); }
.compare-table td { font-size: .9rem; border-bottom: 1px solid var(--border-light); }
.compare-table tbody tr:last-child td { border-bottom: none; }
.compare-table tbody tr { transition: background var(--duration); }
.compare-table tbody tr:hover { background: var(--gold-bg2); }
.compare-highlight { font-weight: 700; color: var(--gold); }

/* ---- Disclaimer ---- */
.disclaimer { background: var(--gold-bg); border-left: 4px solid var(--gold); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; padding: 18px 24px; font-size: .85rem; color: var(--text2); margin: 28px 0; line-height: 1.75; }

/* ---- Action bar ---- */
.action-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border-light); }

/* ---- Toggle switch ---- */
.toggle-wrap { display: flex; align-items: center; gap: 12px; font-size: .85rem; color: var(--text2); font-weight: 500; }
.toggle { position: relative; width: 48px; height: 26px; flex-shrink: 0; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider { position: absolute; cursor: pointer; inset: 0; background: var(--border); border-radius: var(--radius-full); transition: all var(--duration-md) var(--ease); }
.toggle-slider::before { content: ""; position: absolute; height: 20px; width: 20px; left: 3px; bottom: 3px; background: #fff; border-radius: 50%; transition: all var(--duration-md) var(--ease-bounce); box-shadow: var(--shadow-xs); }
.toggle input:checked + .toggle-slider { background: var(--gold-gradient); box-shadow: var(--shadow-gold); }
.toggle input:checked + .toggle-slider::before { transform: translateX(22px); }

/* ---- Accordion / FAQ ---- */
.accordion-item { border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 8px; overflow: hidden; transition: border-color var(--duration); }
.accordion-item:hover { border-color: var(--gold-bg2); }
.accordion-item.open { border-color: var(--gold); }
.accordion-header { width: 100%; padding: 18px 24px; background: var(--card); border: none; text-align: left; font-size: .95rem; font-weight: 600; color: var(--text); cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-family: var(--font); transition: all var(--duration) var(--ease); gap: 16px; }
.accordion-header:hover { background: var(--card-hover); }
.accordion-chevron { width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: transform var(--duration-md) var(--ease); color: var(--muted); font-size: .85rem; }
.accordion-item.open .accordion-chevron { transform: rotate(180deg); color: var(--gold); }
.accordion-header::after { content: "▾"; font-size: 1rem; color: var(--muted); transition: transform var(--duration-md) var(--ease); flex-shrink: 0; }
.accordion-item.open .accordion-header::after { transform: rotate(180deg); color: var(--gold); }
.accordion-body { max-height: 0; overflow: hidden; transition: max-height var(--duration-md) var(--ease); }
.accordion-body-inner { padding: 0 24px 20px; font-size: .9rem; color: var(--text2); line-height: 1.8; }

/* ---- Links grid ---- */
.links-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.link-card { display: flex; align-items: center; gap: 14px; padding: 18px 20px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-sm); transition: all var(--duration-md) var(--ease); text-decoration: none; color: var(--text); position: relative; overflow: hidden; }
.link-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--gold-gradient); opacity: 0; transition: opacity var(--duration); }
.link-card:hover { border-color: var(--gold-bg2); box-shadow: var(--shadow-lg); text-decoration: none; transform: translateY(-2px); }
.link-card:hover::before { opacity: 1; }
.link-card-icon { width: 44px; height: 44px; background: var(--gold-bg); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0; transition: transform var(--duration) var(--ease-bounce); }
.link-card:hover .link-card-icon { transform: scale(1.08); }
.link-card-body { flex: 1; min-width: 0; }
.link-card-text { font-size: .9rem; font-weight: 600; color: var(--text); }
.link-card-desc { font-size: .78rem; color: var(--muted); margin-top: 3px; line-height: 1.4; }

/* ---- Feature cards ---- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-card { padding: 28px 24px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); text-align: center; transition: all var(--duration-md) var(--ease); }
.feature-card:hover { border-color: var(--gold-bg2); box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.feature-icon { width: 56px; height: 56px; margin: 0 auto 16px; background: var(--gold-bg); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; }
.feature-title { font-size: 1rem; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.feature-desc { font-size: .85rem; color: var(--muted); line-height: 1.6; }

/* ---- Ad slots ---- */
.ad-slot { text-align: center; margin: 32px 0; min-height: 90px; }
.ad-slot ins { display: block; width: 100%; }

/* ---- Footer ---- */
.site-footer { background: var(--card); border-top: 1px solid var(--border); padding: 56px 0 32px; margin-top: auto; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 40px; margin-bottom: 40px; }
.footer-brand-desc { font-size: .85rem; color: var(--muted); line-height: 1.7; margin-top: 12px; max-width: 280px; }
.footer-heading { font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--text); margin-bottom: 16px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: var(--muted); font-size: .88rem; transition: all var(--duration); font-weight: 450; }
.footer-links a:hover { color: var(--gold); transform: translateX(2px); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-disclaimer { font-size: .78rem; color: var(--muted); max-width: 600px; line-height: 1.6; }
.footer-copy { font-size: .78rem; color: var(--muted); }

/* ---- Guide/article content ---- */
.article-content { max-width: 760px; margin: 0 auto; }
.article-content h1 { font-family: var(--font-display); font-size: 2.2rem; font-weight: 800; margin-bottom: 16px; line-height: 1.25; letter-spacing: -.02em; color: var(--text); }
.article-content h2 { font-size: 1.4rem; font-weight: 700; margin: 40px 0 16px; color: var(--text); letter-spacing: -.01em; padding-bottom: 8px; border-bottom: 2px solid var(--gold-bg); }
.article-content h3 { font-size: 1.15rem; font-weight: 600; margin: 28px 0 10px; color: var(--text); }
.article-content p { margin-bottom: 18px; color: var(--text2); line-height: 1.8; }
.article-content ul, .article-content ol { margin: 0 0 18px 24px; color: var(--text2); }
.article-content li { margin-bottom: 10px; line-height: 1.7; }
.article-content strong { color: var(--text); font-weight: 600; }
.article-meta { display: flex; gap: 16px; font-size: .82rem; color: var(--muted); margin-bottom: 28px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }

/* ---- Prose ---- */
.prose { font-size: .95rem; line-height: 1.8; color: var(--text2); }
.prose h2 { font-size: 1.3rem; font-weight: 700; color: var(--text); margin: 32px 0 12px; }
.prose h3 { font-size: 1.1rem; font-weight: 600; color: var(--text); margin: 24px 0 8px; }
.prose p { margin-bottom: 14px; }
.prose ul, .prose ol { margin: 0 0 14px 20px; }
.prose li { margin-bottom: 6px; }
.prose a { color: var(--gold); font-weight: 500; }
.prose a:hover { color: var(--gold-light); text-decoration: underline; }

/* ---- Search ---- */
.search-input-wrap { position: relative; margin-bottom: 24px; }
.search-input-wrap .form-input { padding: 16px 20px 16px 48px; font-size: 1.05rem; border-radius: var(--radius); }
.search-icon { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); color: var(--muted); font-size: 1.1rem; }
.search-filters { display: flex; gap: 8px; margin-bottom: 20px; }
.search-result-count { font-size: .9rem; color: var(--muted); margin-bottom: 16px; }

/* ---- Product hero ---- */
.product-hero { display: flex; gap: 32px; margin-bottom: 32px; align-items: flex-start; }
.product-info { flex: 1; }
.product-info h1 { font-family: var(--font-display); font-size: 2rem; font-weight: 800; margin-bottom: 12px; letter-spacing: -.02em; }
.product-cta { flex-shrink: 0; }

/* ---- Quick calc card ---- */
.quick-calc { background: var(--gold-gradient-soft); border: 1.5px solid var(--gold-bg2); border-radius: var(--radius); padding: 28px; margin-bottom: 28px; }
.quick-calc h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; color: var(--gold); }
.quick-calc p { font-size: .9rem; color: var(--text2); margin-bottom: 16px; }

/* ---- Internal links section ---- */
.related-links { margin: 40px 0; }
.related-links h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 16px; color: var(--text); display: flex; align-items: center; gap: 8px; }

/* ---- Cookie banner ---- */
.cookie-banner { position: fixed; bottom: 0; left: 0; right: 0; background: var(--card-glass); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-top: 1px solid var(--border); padding: 20px 24px; z-index: var(--z-modal); box-shadow: 0 -8px 30px rgba(0,0,0,.1); display: none; }
.cookie-banner.show { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.cookie-text { font-size: .85rem; color: var(--text2); flex: 1; line-height: 1.5; }
.cookie-actions { display: flex; gap: 8px; }

/* ---- Toast ---- */
.toast { position: fixed; bottom: 90px; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--text); color: var(--bg); padding: 12px 28px; border-radius: var(--radius-full); font-size: .88rem; font-weight: 500; z-index: var(--z-toast); opacity: 0; transition: all var(--duration-md) var(--ease); pointer-events: none; box-shadow: var(--shadow-xl); }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .stats-bar { gap: 32px; }
}

@media (max-width: 768px) {
  :root { --header-h: 60px; }
  .nav { display: none; position: fixed; top: var(--header-h); left: 0; right: 0; background: var(--card); border-bottom: 1px solid var(--border); padding: 12px 16px; flex-direction: column; box-shadow: var(--shadow-xl); z-index: calc(var(--z-header) - 1); }
  .nav.open { display: flex; animation: slideDown var(--duration-md) var(--ease); }
  @keyframes slideDown { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
  .nav a { padding: 12px 16px; border-radius: var(--radius-sm); }
  .mobile-toggle { display: flex; }
  .form-row { grid-template-columns: 1fr; }
  .form-row-3 { grid-template-columns: 1fr; }
  .result-total-value { font-size: 1.8rem; }
  .result-grid { grid-template-columns: 1fr 1fr; }
  .product-hero { flex-direction: column; }
  .tabs { overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  .tabs::-webkit-scrollbar { display: none; }
  .tab-btn { white-space: nowrap; }
  .feature-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2rem; }
  .stats-bar { flex-wrap: wrap; gap: 20px; }
  .stat-item { min-width: 80px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .card { padding: 20px; border-radius: var(--radius-sm); }
  .result-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .radio-pills { flex-wrap: wrap; }
  .links-grid { grid-template-columns: 1fr; }
  .hero { padding: 32px 0 24px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .compare-table th, .compare-table td { padding: 10px 12px; font-size: .82rem; }
}

/* ---- How It Works ---- */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.step-card { position: relative; padding: 32px 24px 28px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); text-align: center; transition: all var(--duration-md) var(--ease); }
.step-card:hover { border-color: var(--gold-bg2); box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.step-number { width: 48px; height: 48px; background: var(--gold-gradient); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; font-weight: 800; color: #fff; margin: 0 auto 16px; box-shadow: var(--shadow-gold); }
.step-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.step-card p { font-size: .85rem; color: var(--muted); line-height: 1.6; }
.step-connector { display: none; }
@media (min-width: 769px) {
  .step-card:not(:last-child)::after { content: "→"; position: absolute; right: -18px; top: 46px; color: var(--gold); font-size: 1.3rem; font-weight: 700; z-index: 2; }
}

/* ---- Ayar Comparison Table ---- */
.ayar-table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); background: var(--card); }
.ayar-table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.ayar-table thead { background: var(--gold-gradient-soft); }
.ayar-table th { padding: 16px 20px; font-size: .78rem; font-weight: 700; color: var(--gold); text-transform: uppercase; letter-spacing: .06em; text-align: left; border-bottom: 2px solid var(--gold-bg2); }
.ayar-table td { padding: 14px 20px; font-size: .9rem; color: var(--text2); border-bottom: 1px solid var(--border-light); }
.ayar-table tbody tr { transition: background var(--duration); }
.ayar-table tbody tr:hover { background: var(--gold-bg2); }
.ayar-table tbody tr:last-child td { border-bottom: none; }
.ayar-badge { display: inline-flex; align-items: center; justify-content: center; padding: 4px 12px; border-radius: var(--radius-full); font-size: .78rem; font-weight: 700; }
.ayar-badge-24 { background: #fef3c7; color: #92400e; }
.ayar-badge-22 { background: #fed7aa; color: #9a3412; }
.ayar-badge-18 { background: #fce7f3; color: #9d174d; }
.ayar-badge-14 { background: #e0e7ff; color: #3730a3; }
[data-theme="dark"] .ayar-badge-24 { background: rgba(254,243,199,.15); color: #fbbf24; }
[data-theme="dark"] .ayar-badge-22 { background: rgba(254,215,170,.12); color: #fb923c; }
[data-theme="dark"] .ayar-badge-18 { background: rgba(252,231,243,.1); color: #f472b6; }
[data-theme="dark"] .ayar-badge-14 { background: rgba(224,231,255,.1); color: #818cf8; }

/* ---- Blog Cards ---- */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.blog-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: all var(--duration-md) var(--ease); text-decoration: none; color: var(--text); display: flex; flex-direction: column; }
.blog-card:hover { border-color: var(--gold-bg2); box-shadow: var(--shadow-lg); transform: translateY(-4px); text-decoration: none; }
.blog-card-header { padding: 20px 24px 0; display: flex; align-items: center; gap: 10px; }
.blog-card-tag { font-size: .68rem; font-weight: 700; color: var(--gold); background: var(--gold-bg); padding: 3px 10px; border-radius: var(--radius-full); text-transform: uppercase; letter-spacing: .05em; }
.blog-card-body { padding: 12px 24px 20px; flex: 1; }
.blog-card-title { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 8px; line-height: 1.4; }
.blog-card-excerpt { font-size: .85rem; color: var(--muted); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.blog-card-footer { padding: 14px 24px; border-top: 1px solid var(--border-light); display: flex; align-items: center; justify-content: space-between; }
.blog-card-read { font-size: .82rem; font-weight: 600; color: var(--gold); }

/* ---- Trust/Info Badges ---- */
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.trust-card { display: flex; align-items: center; gap: 14px; padding: 20px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-sm); transition: all var(--duration) var(--ease); }
.trust-card:hover { border-color: var(--gold-bg2); box-shadow: var(--shadow); }
.trust-icon { width: 44px; height: 44px; background: var(--gold-bg); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0; }
.trust-text { font-size: .85rem; font-weight: 600; color: var(--text); line-height: 1.4; }
.trust-sub { font-size: .75rem; color: var(--muted); margin-top: 2px; }

/* ---- FAQ Preview ---- */
.faq-preview { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* ---- CTA Banner ---- */
.cta-banner { background: var(--gold-gradient); border-radius: var(--radius); padding: 48px 40px; text-align: center; color: #fff; position: relative; overflow: hidden; }
.cta-banner::before { content: ""; position: absolute; top: -50%; right: -20%; width: 400px; height: 400px; background: radial-gradient(circle, rgba(255,255,255,.1) 0%, transparent 70%); pointer-events: none; }
.cta-banner h2 { font-size: 1.8rem; font-weight: 800; margin-bottom: 12px; }
.cta-banner p { font-size: 1rem; opacity: .9; margin-bottom: 24px; max-width: 500px; margin-left: auto; margin-right: auto; }
.btn-white { background: #fff; color: var(--gold); font-weight: 700; box-shadow: var(--shadow-lg); }
.btn-white:hover { background: #fef9e7; color: var(--gold); text-decoration: none; box-shadow: var(--shadow-xl); transform: translateY(-2px); }

/* ---- Counter Animation ---- */
.counter-animate { display: inline-block; }

@media (max-width: 1024px) {
  .steps-grid { grid-template-columns: 1fr 1fr; }
  .step-card:not(:last-child)::after { display: none; }
  .blog-grid { grid-template-columns: 1fr 1fr; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .steps-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
  .faq-preview { grid-template-columns: 1fr; }
  .cta-banner { padding: 32px 20px; }
  .cta-banner h2 { font-size: 1.4rem; }
}

/* ---- Print ---- */
@media print {
  .site-header, .site-footer, .ad-slot, .cookie-banner, .action-bar,
  .nav, .theme-toggle, .mobile-toggle, .search-input-wrap,
  .search-filters, .quick-calc .btn, .hero-actions, .cookie-banner,
  .related-links, .btn { display: none !important; }
  body { background: #fff !important; color: #000 !important; font-size: 12pt; }
  .card { box-shadow: none !important; border: 1px solid #ddd !important; break-inside: avoid; }
  .result-total { border: 2px solid #000 !important; background: #f9f9f0 !important; }
  .result-total-value { color: #000 !important; -webkit-text-fill-color: #000 !important; }
  .disclaimer { border-color: #666 !important; background: #f5f5f5 !important; }
  .main { padding: 0 !important; }
  a { color: #000 !important; }
  .hero::before { display: none; }
}