/* ===================================================================
   PERDE ÖLÇÜSÜ HESAPLAYICI — Premium Design System
   Senior-level CSS · Light/Dark · Animations · Print
   =================================================================== */

/* --- CUSTOM PROPERTIES --- */
:root {
  --bg: #FAFAF8;
  --bg-alt: #F3F1ED;
  --bg-glass: rgba(255,255,255,.72);
  --card: #FFFFFF;
  --card-hover: #FEFDFB;
  --text: #1C1917;
  --text-secondary: #57534E;
  --muted: #A8A29E;
  --border: #E7E5E4;
  --border-light: #F5F3F0;
  --accent: #B8860B;
  --accent-hover: #9A7209;
  --accent-light: #D4A843;
  --accent-bg: rgba(184,134,11,.07);
  --accent-ring: rgba(184,134,11,.18);
  --accent2: #5B8A5B;
  --accent2-bg: rgba(91,138,91,.07);
  --danger: #DC2626;
  --danger-bg: rgba(220,38,38,.06);
  --success: #16A34A;
  --success-bg: rgba(22,163,74,.06);
  --info-bg: rgba(59,130,246,.06);
  --shadow-xs: 0 1px 2px rgba(28,25,23,.04);
  --shadow-sm: 0 1px 3px rgba(28,25,23,.06), 0 1px 2px rgba(28,25,23,.04);
  --shadow-md: 0 4px 6px rgba(28,25,23,.05), 0 2px 4px rgba(28,25,23,.04);
  --shadow-lg: 0 10px 25px rgba(28,25,23,.07), 0 4px 10px rgba(28,25,23,.04);
  --shadow-xl: 0 20px 40px rgba(28,25,23,.08), 0 8px 16px rgba(28,25,23,.04);
  --shadow-glow: 0 0 20px rgba(184,134,11,.12);
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Cascadia Code", "Fira Code", Consolas, 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);
  --max-w: 1160px;
  --max-w-narrow: 780px;
  --header-h: 64px;
  --z-header: 100;
  --z-mobile: 150;
  --z-toast: 200;
  --z-cookie: 180;
}

[data-theme="dark"] {
  --bg: #0F0E0D;
  --bg-alt: #1A1918;
  --bg-glass: rgba(15,14,13,.8);
  --card: #1E1D1C;
  --card-hover: #262524;
  --text: #F5F5F4;
  --text-secondary: #A8A29E;
  --muted: #78716C;
  --border: #2E2C2B;
  --border-light: #252322;
  --accent: #D4A843;
  --accent-hover: #E8C36A;
  --accent-light: #E8C36A;
  --accent-bg: rgba(212,168,67,.1);
  --accent-ring: rgba(212,168,67,.2);
  --accent2: #7BAF7B;
  --accent2-bg: rgba(123,175,123,.08);
  --danger: #EF4444;
  --danger-bg: rgba(239,68,68,.1);
  --success: #22C55E;
  --success-bg: rgba(34,197,94,.1);
  --info-bg: rgba(96,165,250,.1);
  --shadow-xs: 0 1px 2px rgba(0,0,0,.2);
  --shadow-sm: 0 1px 3px rgba(0,0,0,.25);
  --shadow-md: 0 4px 6px rgba(0,0,0,.25);
  --shadow-lg: 0 10px 25px rgba(0,0,0,.3);
  --shadow-xl: 0 20px 40px rgba(0,0,0,.35);
  --shadow-glow: 0 0 30px rgba(212,168,67,.15);
}

/* --- RESET --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}
main { flex: 1; }
a { color: var(--accent); text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4, h5, h6 {
  line-height: 1.25;
  color: var(--text);
  font-weight: 700;
  letter-spacing: -.01em;
}
h1 { font-size: clamp(1.85rem, 4.5vw, 2.75rem); margin-bottom: 1rem; letter-spacing: -.025em; }
h2 { font-size: clamp(1.4rem, 3.2vw, 2rem); margin-bottom: .75rem; letter-spacing: -.02em; }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); margin-bottom: .5rem; }
p { margin-bottom: 1rem; }
ul, ol { padding-left: 1.5em; margin-bottom: 1rem; }
li { margin-bottom: .35rem; }
strong { font-weight: 600; }
mark { background: var(--accent-bg); color: var(--accent); padding: .05em .25em; border-radius: 3px; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.25rem; }
.container-narrow { max-width: var(--max-w-narrow); margin: 0 auto; padding: 0 1.25rem; }

/* --- KEYFRAMES --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .6; }
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(.95); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-in {
  animation: fadeInUp .5s var(--ease) both;
}
.animate-in-delay-1 { animation-delay: .1s; }
.animate-in-delay-2 { animation-delay: .2s; }
.animate-in-delay-3 { animation-delay: .3s; }
.animate-in-delay-4 { animation-delay: .4s; }

/* --- HEADER --- */
.site-header {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  height: var(--header-h);
  transition: box-shadow .3s var(--ease);
}
.site-header.scrolled { box-shadow: var(--shadow-md); }
.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -.01em;
}
.site-logo .logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: transform .2s var(--ease-bounce);
  box-shadow: 0 2px 8px rgba(184,134,11,.2);
}
.site-logo .logo-icon svg { width: 20px; height: 20px; }
.site-logo:hover { color: var(--accent); }
.site-logo:hover .logo-icon { transform: scale(1.08) rotate(-3deg); }

.nav-main { display: flex; align-items: center; gap: .15rem; }
.nav-main a {
  padding: .45rem .8rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: .875rem;
  font-weight: 500;
  transition: all .2s var(--ease);
  position: relative;
}
.nav-main a:hover { color: var(--accent); background: var(--accent-bg); }
.nav-main a.active {
  color: var(--accent);
  background: var(--accent-bg);
  font-weight: 600;
}

.header-actions { display: flex; align-items: center; gap: .4rem; }
.btn-icon {
  width: 36px; height: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--text-secondary);
  transition: all .2s var(--ease);
}
.btn-icon:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-bg); }
.mobile-toggle { display: none; }

/* --- MOBILE NAV --- */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: var(--z-mobile);
  background: rgba(0,0,0,.5);
  backdrop-filter: blur(4px);
}
.mobile-nav.open { display: block; animation: fadeIn .2s var(--ease); }
.mobile-nav-inner {
  position: absolute;
  right: 0; top: 0;
  width: 300px;
  max-width: 85vw;
  height: 100%;
  background: var(--card);
  padding: 5rem 1.5rem 2rem;
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  gap: .15rem;
  animation: slideInRight .3s var(--ease);
}
@keyframes slideInRight {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}
.mobile-nav-inner a {
  padding: .85rem 1rem;
  border-radius: var(--radius-sm);
  color: var(--text);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: .95rem;
  transition: all .15s var(--ease);
}
.mobile-nav-inner a:hover { background: var(--accent-bg); color: var(--accent); }
.mobile-nav-close {
  position: absolute;
  top: 1rem; right: 1rem;
  width: 40px; height: 40px;
  border: none; background: var(--bg-alt);
  border-radius: var(--radius-sm);
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--text-secondary);
  display: flex; align-items: center; justify-content: center;
  transition: all .15s var(--ease);
}
.mobile-nav-close:hover { background: var(--danger-bg); color: var(--danger); }

/* --- BREADCRUMB --- */
.breadcrumb {
  padding: .85rem 0;
  font-size: .82rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .1rem;
}
.breadcrumb a { color: var(--text-secondary); transition: color .15s; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { margin: 0 .35rem; color: var(--border); font-size: .7rem; }
.breadcrumb .current { color: var(--muted); }

/* --- HERO (Homepage) --- */
.hero {
  position: relative;
  padding: 4rem 0 2.5rem;
  text-align: center;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -40%; left: -10%;
  width: 120%; height: 180%;
  background: radial-gradient(ellipse 600px 400px at 50% 30%, var(--accent-bg) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.hero > .container { position: relative; z-index: 1; }
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.15;
  margin-bottom: .75rem;
}
.hero h1 .text-gradient {
  background: linear-gradient(135deg, var(--accent), var(--accent-light), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .35rem 1rem;
  background: var(--accent-bg);
  color: var(--accent);
  border-radius: var(--radius-full);
  font-size: .8rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  border: 1px solid var(--accent-ring);
  animation: fadeInUp .5s var(--ease) both;
}
.hero-badge .pulse-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
  animation: pulse 2s var(--ease) infinite;
}
.hero-actions {
  display: flex;
  gap: .75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.hero-stats {
  display: flex;
  gap: 2.5rem;
  justify-content: center;
  flex-wrap: wrap;
  padding-top: 2rem;
  border-top: 1px solid var(--border-light);
}
.hero-stat {
  text-align: center;
}
.hero-stat-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -.02em;
}
.hero-stat-label {
  font-size: .8rem;
  color: var(--muted);
  margin-top: .1rem;
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .65rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .9rem;
  cursor: pointer;
  transition: all .2s var(--ease);
  border: none;
  text-decoration: none;
  line-height: 1.4;
  font-family: var(--font);
  position: relative;
  overflow: hidden;
}
.btn:active { transform: scale(.97); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: #fff;
  box-shadow: 0 2px 8px rgba(184,134,11,.25), inset 0 1px 0 rgba(255,255,255,.15);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-hover), var(--accent));
  box-shadow: 0 4px 16px rgba(184,134,11,.3);
  color: #fff;
  transform: translateY(-1px);
}
.btn-secondary {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: var(--shadow-sm);
}
.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
}
.btn-outline:hover { background: var(--accent-bg); }
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}
.btn-ghost:hover { background: var(--bg-alt); color: var(--text); }
.btn-sm { padding: .4rem .9rem; font-size: .82rem; }
.btn-lg { padding: .85rem 2rem; font-size: 1rem; }
.btn-xl { padding: 1rem 2.5rem; font-size: 1.05rem; border-radius: var(--radius); }
.btn-block { width: 100%; }
.btn-group { display: flex; gap: .5rem; flex-wrap: wrap; }

/* --- CARDS --- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: all .25s var(--ease);
  position: relative;
}
.card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--border);
  transform: translateY(-2px);
}
.card-link { text-decoration: none; color: inherit; display: block; }
.card-link:hover .card-title { color: var(--accent); }
.card-title { font-size: 1.05rem; font-weight: 700; margin-bottom: .4rem; transition: color .2s; }
.card-desc { color: var(--text-secondary); font-size: .88rem; line-height: 1.6; margin: 0; }
.card-badge {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .2rem .6rem;
  background: var(--accent-bg);
  color: var(--accent);
  border-radius: var(--radius-full);
  font-size: .72rem;
  font-weight: 600;
  margin-bottom: .6rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.card-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: .85rem;
  background: var(--accent-bg);
}
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}
.cards-grid-3 { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }

/* Feature card style */
.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  transition: all .3s var(--ease);
}
.feature-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.feature-icon {
  width: 56px; height: 56px;
  margin: 0 auto 1rem;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}
.feature-icon.gold { background: var(--accent-bg); color: var(--accent); }
.feature-icon.green { background: var(--accent2-bg); color: var(--accent2); }
.feature-icon.blue { background: var(--info-bg); color: #3B82F6; }

/* --- TOOL / FORM --- */
.tool-section { padding: 2rem 0 3rem; }
.tool-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.tool-header {
  background: linear-gradient(135deg, var(--accent-bg), var(--bg-alt));
  padding: 1.75rem 2rem;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 1rem;
}
.tool-header-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  box-shadow: 0 2px 8px rgba(184,134,11,.2);
  flex-shrink: 0;
}
.tool-header-text h2 { margin-bottom: .15rem; font-size: 1.3rem; }
.tool-header-text p { color: var(--text-secondary); font-size: .88rem; margin: 0; }
.tool-body { padding: 2rem; }
.tool-footer {
  padding: 1.25rem 2rem;
  background: var(--bg-alt);
  border-top: 1px solid var(--border-light);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.form-group { margin-bottom: 0; }
.form-group.full { grid-column: 1 / -1; }
.form-label {
  display: block;
  font-weight: 600;
  font-size: .85rem;
  margin-bottom: .4rem;
  color: var(--text);
}
.form-label small {
  font-weight: 400;
  color: var(--muted);
  margin-left: .25rem;
}
.form-input, .form-select {
  width: 100%;
  padding: .65rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font-size: .92rem;
  font-family: var(--font);
  transition: all .2s var(--ease);
}
.form-input:focus, .form-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-ring);
}
.form-input.error { border-color: var(--danger); }
.form-input.error:focus { box-shadow: 0 0 0 3px rgba(220,38,38,.15); }
.form-hint { font-size: .78rem; color: var(--muted); margin-top: .3rem; }
.form-error { font-size: .78rem; color: var(--danger); margin-top: .3rem; display: none; }
.form-error.visible { display: block; }

.radio-group { display: flex; flex-wrap: wrap; gap: .5rem; }
.radio-btn { flex: 1; min-width: 0; }
.radio-btn input { display: none; }
.radio-btn label {
  display: block;
  text-align: center;
  padding: .55rem .75rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all .2s var(--ease);
  color: var(--text-secondary);
  background: var(--bg);
}
.radio-btn input:checked + label {
  border-color: var(--accent);
  background: var(--accent-bg);
  color: var(--accent);
  font-weight: 600;
  box-shadow: 0 0 0 1px var(--accent);
}
.radio-btn label:hover { border-color: var(--accent-light); color: var(--text); }

.toggle-row { display: flex; align-items: center; gap: .75rem; padding: .5rem 0; }
.toggle-switch { position: relative; width: 42px; height: 24px; flex-shrink: 0; }
.toggle-switch input { display: none; }
.toggle-slider {
  position: absolute; inset: 0;
  background: var(--border);
  border-radius: 12px;
  cursor: pointer;
  transition: background .2s var(--ease);
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  left: 3px; top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform .2s var(--ease);
  box-shadow: var(--shadow-sm);
}
.toggle-switch input:checked + .toggle-slider { background: var(--accent); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(18px); }
.toggle-label { font-size: .85rem; color: var(--text-secondary); }

.hem-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: .75rem; }

/* --- RESULTS --- */
.results-area { display: none; padding: 2rem 0; }
.results-area.visible { display: block; animation: fadeInUp .4s var(--ease); }
.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.result-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
  transition: all .25s var(--ease);
  animation: countUp .4s var(--ease) both;
}
.result-item:nth-child(2) { animation-delay: .05s; }
.result-item:nth-child(3) { animation-delay: .1s; }
.result-item:nth-child(4) { animation-delay: .15s; }
.result-item.highlight {
  border-color: var(--accent);
  background: var(--accent-bg);
  box-shadow: var(--shadow-glow);
}
.result-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: .2rem;
  letter-spacing: -.02em;
}
.result-label { font-size: .82rem; color: var(--text-secondary); }

.result-detail {
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1rem;
  border: 1px solid var(--border-light);
}
.result-detail h3 { font-size: 1rem; margin-bottom: .75rem; }
.result-detail table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.result-detail td { padding: .5rem .6rem; border-bottom: 1px solid var(--border-light); }
.result-detail td:first-child { color: var(--text-secondary); font-weight: 500; }
.result-detail td:last-child { text-align: right; font-weight: 600; }
.result-detail tr:last-child td { border-bottom: none; }

.result-note {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  padding: .85rem 1rem;
  border-radius: var(--radius-sm);
  font-size: .85rem;
  color: var(--text-secondary);
  margin-bottom: .75rem;
  line-height: 1.6;
  border: 1px solid;
}
.result-note .note-icon { flex-shrink: 0; font-size: 1.1rem; margin-top: .1rem; }
.result-note.result-tip { background: var(--accent-bg); border-color: var(--accent-ring); }
.result-note.result-default { background: var(--accent2-bg); border-color: rgba(91,138,91,.15); }
.result-note.result-warning { background: var(--danger-bg); border-color: rgba(220,38,38,.15); }

.stor-guidance {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
}
.stor-guidance h3 { margin-bottom: 1rem; }
.stor-guidance ul { padding-left: 1.25rem; }
.stor-guidance li { margin-bottom: .5rem; font-size: .92rem; }

/* --- ACTIONS BAR --- */
.actions-bar {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
  padding: 1rem 0;
  align-items: center;
}

/* --- SECTIONS --- */
.section { padding: 3rem 0; }
.section-alt { background: var(--bg-alt); }
.section-title { text-align: center; margin-bottom: 2.5rem; }
.section-title h2 { margin-bottom: .4rem; }
.section-title p { color: var(--text-secondary); font-size: 1.05rem; }
.section-label {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .2rem .65rem;
  background: var(--accent-bg);
  color: var(--accent);
  border-radius: var(--radius-full);
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: .75rem;
}

/* --- ARTICLE / GUIDE --- */
.article-content {
  max-width: var(--max-w-narrow);
  margin: 0 auto;
  padding: 2rem 0;
}
.article-content h1 { margin-bottom: .5rem; }
.article-content h2 { margin-top: 2.5rem; padding-top: 1rem; border-top: 1px solid var(--border-light); }
.article-content h3 { margin-top: 1.75rem; }
.article-content p { color: var(--text-secondary); line-height: 1.85; }
.article-content ul, .article-content ol { margin-bottom: 1.25rem; }
.article-content li { line-height: 1.75; color: var(--text-secondary); }
.article-content strong { color: var(--text); }
.article-meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: .82rem;
  color: var(--muted);
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-light);
}
.article-toc {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
}
.article-toc h4 {
  font-size: .78rem;
  font-weight: 700;
  margin-bottom: .75rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--muted);
}
.article-toc ol { padding-left: 1.25rem; margin: 0; }
.article-toc li { font-size: .88rem; margin-bottom: .3rem; }
.article-toc a { color: var(--text-secondary); }
.article-toc a:hover { color: var(--accent); }

.callout {
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius);
  margin: 1.5rem 0;
  border-left: 4px solid;
  font-size: .92rem;
}
.callout-info { background: var(--accent-bg); border-color: var(--accent); }
.callout-warning { background: var(--danger-bg); border-color: var(--danger); }
.callout-tip { background: var(--accent2-bg); border-color: var(--accent2); }
.callout strong { display: block; margin-bottom: .3rem; color: var(--text); }

/* --- FAQ --- */
.faq-list { max-width: var(--max-w-narrow); margin: 0 auto; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: .6rem;
  background: var(--card);
  overflow: hidden;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.faq-item:hover { border-color: var(--accent-ring); }
.faq-item.open { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent-ring); }
.faq-question {
  width: 100%;
  text-align: left;
  padding: 1.1rem 1.5rem;
  background: none;
  border: none;
  font-size: .95rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--font);
  transition: color .15s;
}
.faq-question:hover { color: var(--accent); }
.faq-icon {
  width: 20px; height: 20px;
  flex-shrink: 0;
  transition: transform .25s var(--ease);
  color: var(--muted);
}
.faq-item.open .faq-icon { transform: rotate(180deg); color: var(--accent); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s var(--ease); }
.faq-answer-inner {
  padding: 0 1.5rem 1.25rem;
  font-size: .9rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* --- SEARCH --- */
.search-box { position: relative; max-width: 600px; margin: 0 auto 2rem; }
.search-input {
  width: 100%;
  padding: .9rem 1.25rem .9rem 3rem;
  border: 2px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 1rem;
  background: var(--card);
  color: var(--text);
  font-family: var(--font);
  transition: all .2s var(--ease);
  box-shadow: var(--shadow-sm);
}
.search-input:focus { outline: none; border-color: var(--accent); box-shadow: var(--shadow-md), 0 0 0 3px var(--accent-ring); }
.search-icon {
  position: absolute;
  left: 1.15rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 1rem;
}
.search-filters {
  display: flex;
  gap: .4rem;
  justify-content: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.filter-chip {
  padding: .35rem .9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: .82rem;
  cursor: pointer;
  background: var(--card);
  color: var(--text-secondary);
  transition: all .2s var(--ease);
  font-family: var(--font);
  font-weight: 500;
}
.filter-chip.active, .filter-chip:hover {
  background: var(--accent-bg);
  border-color: var(--accent);
  color: var(--accent);
}
.search-results { max-width: 700px; margin: 0 auto; }
.search-result-item { padding: 1rem 0; border-bottom: 1px solid var(--border-light); }
.search-result-item a { font-weight: 600; font-size: 1rem; }
.search-result-item p { color: var(--text-secondary); font-size: .85rem; margin: .25rem 0 0; }
.search-result-type {
  display: inline-block;
  font-size: .68rem;
  padding: .1rem .45rem;
  background: var(--bg-alt);
  border-radius: var(--radius-full);
  color: var(--muted);
  margin-left: .4rem;
  font-weight: 600;
}
.search-empty { text-align: center; padding: 3rem 1rem; color: var(--muted); }

/* --- POPULAR LINKS --- */
.popular-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: .75rem;
}
.popular-item {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card);
  text-decoration: none;
  transition: all .2s var(--ease);
}
.popular-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.popular-icon {
  width: 34px; height: 34px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .8rem;
  font-weight: 700;
  flex-shrink: 0;
}
.popular-icon.tul { background: var(--accent-bg); color: var(--accent); }
.popular-icon.fon { background: var(--accent2-bg); color: var(--accent2); }
.popular-item-text { font-size: .85rem; font-weight: 500; color: var(--text); line-height: 1.3; }

/* --- INTERNAL LINKS BOX --- */
.links-box {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin: 2rem 0;
}
.links-box h3 { font-size: .95rem; margin-bottom: 1rem; }
.links-box ul { list-style: none; padding: 0; margin: 0; columns: 2; column-gap: 1rem; }
.links-box li { margin-bottom: .4rem; break-inside: avoid; }
.links-box a {
  font-size: .85rem;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: .3rem;
}
.links-box a::before { content: '›'; color: var(--muted); font-size: .9rem; }
.links-box a:hover { color: var(--accent); }

/* --- AD SLOTS --- */
.ad-container {
  margin: 1.5rem auto;
  text-align: center;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: var(--max-w);
  padding: 0 1rem;
  overflow: hidden;
}
.ad-in-article {
  margin: 2rem auto;
  min-height: 250px;
}
.ad-multiplex {
  margin: 2rem auto;
  min-height: 200px;
}
.ad-container .adsbygoogle { width: 100%; }

/* --- FOOTER --- */
.site-footer {
  background: var(--card);
  border-top: 1px solid var(--border);
  padding: 3rem 0 1.5rem;
  margin-top: 3rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}
.footer-brand { max-width: 280px; }
.footer-brand .site-logo { margin-bottom: .75rem; }
.footer-brand p { color: var(--text-secondary); font-size: .85rem; line-height: 1.65; margin: 0; }
.footer-email { margin-top: .5rem !important; }
.footer-email a { color: var(--accent); text-decoration: none; }
.footer-email a:hover { text-decoration: underline; }
.contact-info-box { background: var(--accent-bg); border-left: 3px solid var(--accent); padding: 1rem 1.25rem; border-radius: var(--radius-sm); }
.contact-info-box a { color: var(--accent); font-weight: 600; }
.footer-col h4 {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  margin-bottom: .85rem;
}
.footer-col a {
  display: block;
  color: var(--text-secondary);
  font-size: .85rem;
  padding: .2rem 0;
  transition: color .15s;
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--border-light);
  padding-top: 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .78rem;
  color: var(--muted);
  flex-wrap: wrap;
  gap: .75rem;
}
.footer-bottom a { color: var(--muted); }
.footer-bottom a:hover { color: var(--accent); }

/* --- DISCLAIMER --- */
.disclaimer-bar {
  background: var(--accent-bg);
  border: 1px solid var(--accent-ring);
  border-radius: var(--radius-sm);
  padding: .75rem 1rem;
  font-size: .8rem;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.6;
}

/* --- COOKIE --- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--card);
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 24px rgba(0,0,0,.08);
  padding: 1rem 1.5rem;
  z-index: var(--z-cookie);
  display: none;
}
.cookie-banner.visible { display: block; animation: slideUp .3s var(--ease); }
@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}
.cookie-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.cookie-text { font-size: .85rem; color: var(--text-secondary); flex: 1; }
.cookie-text a { color: var(--accent); }
.cookie-actions { display: flex; gap: .4rem; }

/* --- TOAST --- */
.toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text);
  color: var(--bg);
  padding: .6rem 1.5rem;
  border-radius: var(--radius-full);
  font-size: .88rem;
  z-index: var(--z-toast);
  box-shadow: var(--shadow-xl);
  animation: fadeInUp .25s var(--ease);
  font-weight: 500;
}

/* --- PRESET PAGE --- */
.preset-hero { padding: 2.5rem 0; text-align: center; }
.preset-hero h1 { margin-bottom: .5rem; }
.preset-specs {
  display: flex;
  gap: .5rem;
  justify-content: center;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}
.spec-badge {
  padding: .3rem .85rem;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: .82rem;
  font-weight: 500;
  color: var(--text-secondary);
}

/* --- CONTACT --- */
.contact-form { max-width: 600px; margin: 0 auto; }
.contact-form .form-group { margin-bottom: 1.25rem; }
.form-textarea {
  width: 100%;
  padding: .65rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font-size: .92rem;
  font-family: var(--font);
  min-height: 140px;
  resize: vertical;
  transition: all .2s var(--ease);
}
.form-textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-ring); }

/* --- LEGAL --- */
.legal-content { max-width: var(--max-w-narrow); margin: 0 auto; padding: 2rem 0; }
.legal-content h1 { margin-bottom: 1rem; }
.legal-content h2 { margin-top: 2rem; font-size: 1.2rem; }
.legal-content p, .legal-content li { color: var(--text-secondary); line-height: 1.8; }

/* --- HOW IT WORKS --- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  position: relative;
}
.steps-grid::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 16%;
  right: 16%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-ring), var(--accent), var(--accent-ring));
  z-index: 0;
}
.step-card {
  text-align: center;
  position: relative;
  z-index: 1;
}
.step-number {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 800;
  margin: 0 auto 1rem;
  box-shadow: 0 4px 12px rgba(184,134,11,.25);
}
.step-card h3 { font-size: 1rem; margin-bottom: .35rem; }
.step-card p { font-size: .88rem; color: var(--text-secondary); margin: 0; }

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
  .nav-main { display: none; }
  .mobile-toggle { display: flex; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .form-grid { grid-template-columns: 1fr; }
  .hem-grid { grid-template-columns: 1fr; }
  .result-grid { grid-template-columns: 1fr 1fr; }
  .tool-body { padding: 1.25rem; }
  .tool-header { padding: 1.25rem; flex-direction: column; text-align: center; }
  .links-box ul { columns: 1; }
  .popular-grid { grid-template-columns: 1fr; }
  .hero { padding: 2.5rem 0 2rem; }
  .hero h1 { font-size: clamp(1.75rem, 6vw, 2.5rem); }
  .steps-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .steps-grid::before { display: none; }
  .hero-stats { gap: 1.5rem; }
  .section { padding: 2rem 0; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .result-grid { grid-template-columns: 1fr; }
  .radio-group { flex-direction: column; }
  .radio-btn { flex: auto; }
  .cookie-inner { flex-direction: column; text-align: center; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-actions { flex-direction: column; align-items: center; }
}

/* --- PRINT --- */
@media print {
  .site-header, .site-footer, .cookie-banner, .ad-container,
  .mobile-nav, .actions-bar .btn:not(.btn-print),
  .btn-icon, .mobile-toggle, .nav-main,
  .hero::before { display: none !important; }
  body { background: #fff; color: #000; font-size: 11pt; }
  .card, .tool-card, .result-item, .result-detail { box-shadow: none; border: 1px solid #ddd; }
  .results-area { display: block !important; }
  .container { max-width: 100%; padding: 0; }
  a { color: #000; text-decoration: underline; }
  h1, h2, h3 { page-break-after: avoid; }
  .result-value { color: #000; }
  .hero::before { display: none; }
}

/* --- UTILITIES --- */
.text-center { text-align: center; }
.text-muted { color: var(--muted); }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: .5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.hidden { display: none !important; }
.gap-1 { gap: .5rem; }
.gap-2 { gap: 1rem; }
.flex-center { display: flex; align-items: center; justify-content: center; }


/* --- ADD-CONTENT additions --- */
.compare-table { width:100%; border-collapse:collapse; font-size:.9rem; }
.compare-table th { padding:.75rem 1rem; text-align:left; background:var(--accent-bg); color:var(--accent); font-weight:600; border-bottom:2px solid var(--accent-ring); font-size:.82rem; text-transform:uppercase; letter-spacing:.03em; }
.compare-table td { padding:.65rem 1rem; border-bottom:1px solid var(--border-light); }
.compare-table tr:hover td { background:var(--bg-alt); }
.compare-table td:first-child { font-weight:500; color:var(--text); }
.cta-banner { background:linear-gradient(135deg,var(--accent),var(--accent-hover)); padding:3rem 0; text-align:center; }
.cta-banner h2 { color:#fff; margin-bottom:.5rem; }
.cta-banner p { color:rgba(255,255,255,.85); margin-bottom:1.5rem; }
.cta-banner .btn { background:#fff; color:var(--accent); font-weight:700; }
.cta-banner .btn:hover { background:var(--bg); transform:translateY(-2px); box-shadow:var(--shadow-lg); }
.mini-faq .faq-item { margin-bottom:.5rem; }
.blog-date { font-size:.75rem; color:var(--muted); margin-bottom:.3rem; }