/* ============ TOKENS ============ */
:root{
  --bg:            #FAF9F1;
  --bg-panel:      #F0EFE1;
  --bg-panel-2:    #F5F4E9;
  --card:          #FFFEF9;

  --green-deep:    #16362A;
  --green:         #2E6B4F;
  --green-soft:    #4C8A6A;
  --green-pale:    #DCE7DA;

  --gold:          #B8902A;
  --gold-soft:     #D4AF43;
  --gold-pale:     #F1E3B8;

  --text:          #182A20;
  --text-muted:    #5C6B60;
  --text-dim:      #8B9489;
  --border:        rgba(22,54,42,0.14);
  --border-soft:   rgba(22,54,42,0.08);
  --shadow:        0 2px 18px rgba(22,54,42,0.06);

  --font-display: 'Fraunces', serif;
  --font-body:    'Inter', -apple-system, sans-serif;
  --font-mono:    'IBM Plex Mono', monospace;

  --wrap: 1180px;
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }

body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  position:relative;
  overflow-x:hidden;
}

.wrap{ max-width:var(--wrap); margin:0 auto; padding:0 32px; }
.wrap-narrow{ max-width:760px; }

a{ color:inherit; text-decoration:none; }
h1,h2,h3{ font-family:var(--font-display); font-weight:450; letter-spacing:-0.01em; }
em{ font-style:italic; color:var(--green); }

/* faint warmth overlay, softened for a light theme */
.grain{
  position:fixed; inset:0; pointer-events:none; z-index:999;
  opacity:0.02; mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-body); font-weight:500; font-size:14.5px;
  padding:12px 22px; border-radius:3px;
  border:1px solid transparent; cursor:pointer;
  transition:all .2s ease;
}
.btn-solid{ background:var(--green-deep); color:var(--bg); }
.btn-solid:hover{ background:var(--green); transform:translateY(-1px); }
.btn-ghost{ border-color:var(--border); color:var(--text); }
.btn-ghost:hover{ border-color:var(--gold); color:var(--green-deep); background:var(--gold-pale); }
.btn-text{ padding:12px 4px; color:var(--text-muted); }
.btn-text:hover{ color:var(--green); }

/* ============ HEADER ============ */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(250,249,241,0.86); backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border-soft);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  height:76px;
}
.brand{ display:flex; align-items:center; gap:10px; font-family:var(--font-display); font-size:19px; color:var(--green-deep); }
.brand-mark{ color:var(--gold); font-size:20px; }
.brand-word em{ font-style:normal; color:var(--green); }
.main-nav{ display:flex; gap:36px; }
.main-nav a{
  font-size:13.5px; letter-spacing:0.02em; color:var(--text-muted);
  transition:color .2s ease;
}
.main-nav a:hover{ color:var(--green-deep); }

/* ============ HERO ============ */
.hero{
  padding:130px 0 0;
  background:
    radial-gradient(ellipse 900px 520px at 85% -10%, rgba(184,144,42,0.14), transparent 60%),
    radial-gradient(ellipse 800px 460px at 0% 5%, rgba(46,107,79,0.12), transparent 60%);
}
.hero-inner{ max-width:760px; padding-bottom:80px; }
.eyebrow{
  font-family:var(--font-mono); font-size:11.5px; letter-spacing:0.14em;
  color:var(--green-soft); margin-bottom:22px;
}
.hero-title{
  font-size:clamp(38px,5.4vw,60px); line-height:1.1; font-weight:450;
  color:var(--green-deep); margin-bottom:26px;
}
.hero-lede{
  font-size:17px; color:var(--text-muted); max-width:560px; margin-bottom:38px;
}
.hero-actions{ display:flex; align-items:center; gap:8px; flex-wrap:wrap; }

/* scrolling criteria ticker */
.ticker-rail{
  border-top:1px solid var(--border-soft);
  border-bottom:1px solid var(--border-soft);
  background:var(--green-pale);
  overflow:hidden; white-space:nowrap;
}
.ticker-track{
  display:inline-flex; gap:0;
  animation:scroll-left 34s linear infinite;
}
.ticker-item{
  font-family:var(--font-mono); font-size:12.5px; letter-spacing:0.06em;
  color:var(--green-deep);
  padding:16px 34px; border-right:1px solid rgba(22,54,42,0.1);
  display:inline-flex; align-items:center; gap:10px;
}
.ticker-item.ok::before{ content:"✓"; color:var(--gold); font-weight:600; }
@keyframes scroll-left{
  from{ transform:translateX(0); }
  to{ transform:translateX(-50%); }
}

/* ============ SECTIONS (generic) ============ */
.section{ padding:112px 0; }
.section-alt{ background:var(--bg-panel); }
.section-eyebrow{
  font-family:var(--font-mono); font-size:11.5px; letter-spacing:0.14em;
  color:var(--gold); margin-bottom:14px;
}
.section-title{
  font-size:clamp(28px,3.4vw,38px); color:var(--green-deep); margin-bottom:16px;
}
.section-lede{
  font-size:16px; color:var(--text-muted); max-width:640px; margin-bottom:60px;
}

/* ============ CRITERIA (metodoloji) ============ */
.criteria-grid{
  display:grid; grid-template-columns:repeat(2,1fr); gap:20px;
}
.criteria-card{
  background:var(--card); padding:34px; border-radius:6px;
  border:1px solid var(--border-soft); box-shadow:var(--shadow);
}
.criteria-head{ display:flex; align-items:center; justify-content:space-between; margin-bottom:18px; }
.criteria-tag{ font-family:var(--font-mono); font-size:12px; color:var(--text-dim); letter-spacing:0.05em; }
.status-pill{
  font-family:var(--font-mono); font-size:10.5px; letter-spacing:0.06em;
  padding:4px 10px; border-radius:20px; border:1px solid;
}
.status-pill.live{ color:var(--green); border-color:rgba(46,107,79,0.35); background:var(--green-pale); }
.status-pill.build{ color:var(--text-dim); border-color:var(--border-soft); }
.criteria-card h3{ font-size:20px; color:var(--green-deep); margin-bottom:12px; font-weight:450; }
.criteria-card p{ font-size:14.5px; color:var(--text-muted); margin-bottom:20px; }
.criteria-mono{
  font-family:var(--font-mono); font-size:12px; color:var(--green);
  background:var(--green-pale); border:1px solid var(--border-soft);
  padding:12px 14px; border-radius:3px; line-height:1.7;
}

/* ============ SCOPE (kapsam) ============ */
.scope-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:20px;
}
.scope-card{
  position:relative;
  background:var(--card); border:1px solid var(--border-soft);
  padding:30px 26px; border-radius:6px; box-shadow:var(--shadow);
  transition:border-color .2s ease, transform .2s ease;
}
.scope-card:hover{ border-color:var(--gold); transform:translateY(-2px); }
.scope-stamp{
  position:absolute; top:24px; right:24px;
  font-family:var(--font-mono); font-size:10px; letter-spacing:0.08em;
  color:var(--gold); border:1px solid rgba(184,144,42,0.45);
  background:var(--gold-pale);
  border-radius:20px; padding:3px 9px; transform:rotate(3deg);
}
.scope-cat{
  font-family:var(--font-mono); font-size:11.5px; letter-spacing:0.08em;
  color:var(--green); margin-bottom:10px;
}
.scope-card h3{ font-size:19px; color:var(--green-deep); margin-bottom:12px; font-weight:450; max-width:80%; }
.scope-note{ font-size:14px; color:var(--text-muted); }
.placeholder-card{ border-style:dashed; box-shadow:none; }
.placeholder-card h3{ color:var(--text-muted); max-width:100%; }
.scope-footnote{
  margin-top:28px; font-size:12.5px; color:var(--text-dim); font-family:var(--font-mono);
}
.section-divider{ height:1px; background:var(--border-soft); margin:56px 0 0; }

/* ============ STOCK CHIPS (kapsam · hisseler) ============ */
.stock-grid{
  display:grid; grid-template-columns:repeat(5,1fr); gap:16px;
}
.stock-chip{
  position:relative;
  background:var(--card); border:1px solid var(--border-soft);
  border-radius:6px; padding:22px 18px 20px; text-align:center;
  box-shadow:var(--shadow); transition:transform .2s ease, border-color .2s ease;
}
.stock-chip:hover{ transform:translateY(-2px); border-color:var(--gold); }
.stock-seal{ width:34px; height:34px; margin:0 auto 14px; color:var(--gold); }
.stock-seal svg{ width:100%; height:100%; fill:none; stroke:currentColor; stroke-width:1.5; }
.stock-ticker{ font-family:var(--font-mono); font-size:15px; font-weight:500; color:var(--green-deep); letter-spacing:0.03em; margin-bottom:6px; }
.stock-name{ font-size:13px; color:var(--text); margin-bottom:4px; line-height:1.3; }
.stock-sector{ font-family:var(--font-mono); font-size:10.5px; color:var(--text-dim); letter-spacing:0.03em; }

/* ============ CALCULATOR (hesaplayıcı) ============ */
.calc-card{
  background:var(--card); border:1px solid var(--border-soft);
  border-radius:8px; box-shadow:var(--shadow);
  padding:36px; max-width:760px;
}
.calc-form{
  display:grid; grid-template-columns:repeat(3,1fr) auto; gap:16px;
  align-items:end; margin-bottom:28px;
}
.calc-field{ display:flex; flex-direction:column; gap:8px; }
.calc-field label{
  font-family:var(--font-mono); font-size:11px; letter-spacing:0.05em;
  color:var(--text-dim); text-transform:uppercase;
}
.calc-field select, .calc-field input{
  font-family:var(--font-body); font-size:14.5px; color:var(--text);
  background:var(--bg); border:1px solid var(--border);
  border-radius:4px; padding:11px 12px;
}
.calc-field select:focus, .calc-field input:focus{ outline:2px solid var(--gold); outline-offset:1px; }
.calc-presets{ display:flex; gap:6px; margin-top:8px; }
.calc-preset{
  flex:1; font-family:var(--font-mono); font-size:12px; color:var(--green);
  background:var(--green-pale); border:1px solid transparent; border-radius:3px;
  padding:6px 4px; cursor:pointer; transition:all .15s ease;
}
.calc-preset:hover, .calc-preset.active{ border-color:var(--gold); color:var(--green-deep); }
.calc-form .btn{ height:42px; white-space:nowrap; }

.calc-result{
  display:grid; grid-template-columns:repeat(3,1fr); gap:1px;
  background:var(--border-soft); border:1px solid var(--border-soft);
  border-radius:6px; overflow:hidden; margin-bottom:20px;
}
.calc-result-row{
  background:var(--bg-panel-2); padding:18px 20px;
  display:flex; flex-direction:column; gap:8px;
}
.calc-result-row span{ font-family:var(--font-mono); font-size:11px; color:var(--text-dim); letter-spacing:0.04em; }
.calc-result-row strong{ font-family:var(--font-display); font-size:22px; color:var(--green-deep); font-weight:450; }
.calc-result-highlight strong{ color:var(--green); }
.calc-result-highlight strong.negative{ color:#A2492E; }

.calc-footnote{ font-size:12px; color:var(--text-dim); font-family:var(--font-mono); line-height:1.7; }

@media (max-width:700px){
  .calc-form{ grid-template-columns:1fr; }
  .calc-result{ grid-template-columns:1fr; }
}

/* ============ REPORTS (kaynaklar) ============ */
.reports-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.report-card{
  background:var(--bg-panel-2); border:1px solid var(--border-soft);
  padding:30px; border-radius:6px;
}
.report-kicker{ font-family:var(--font-mono); font-size:11px; letter-spacing:0.08em; color:var(--gold); margin-bottom:14px; }
.report-card h3{ font-size:20px; color:var(--green-deep); margin-bottom:10px; font-weight:450; }
.report-card p{ font-size:14px; color:var(--text-muted); margin-bottom:16px; }
.report-link{ font-family:var(--font-mono); font-size:12.5px; color:var(--green); }
.report-expand summary{
  font-family:var(--font-mono); font-size:12.5px; color:var(--green);
  cursor:pointer; letter-spacing:0.03em; list-style:none; user-select:none;
}
.report-expand summary::-webkit-details-marker{ display:none; }
.report-expand summary::after{ content:"→"; margin-left:6px; }
.report-expand[open] summary::after{ content:"↓"; }
.report-expand[open] summary{ margin-bottom:16px; }
.report-expand p{ font-size:13.5px; color:var(--text-muted); line-height:1.75; margin-bottom:0; }
.glossary dt{ font-family:var(--font-mono); font-size:12.5px; color:var(--green-deep); font-weight:500; margin-top:14px; }
.glossary dt:first-child{ margin-top:0; }
.glossary dd{ font-size:13px; color:var(--text-muted); margin:4px 0 0; line-height:1.6; }
.source-list{ list-style:none; }
.source-list li{
  font-size:13.5px; color:var(--text-muted); padding:10px 0 10px 20px;
  border-top:1px solid var(--border-soft); position:relative; line-height:1.55;
}
.source-list li:first-child{ border-top:none; }
.source-list li::before{ content:"—"; position:absolute; left:0; color:var(--gold); }

/* ============ FAQ ============ */
.faq-list{ border-top:1px solid var(--border-soft); }
.faq-item{ border-bottom:1px solid var(--border-soft); }
.faq-q{
  width:100%; text-align:left; background:none; border:none; cursor:pointer;
  font-family:var(--font-body); font-size:16.5px; color:var(--green-deep);
  padding:24px 4px; display:flex; align-items:center; justify-content:space-between;
}
.faq-icon{ font-family:var(--font-mono); color:var(--gold); font-size:18px; transition:transform .2s ease; }
.faq-item.open .faq-icon{ transform:rotate(45deg); }
.faq-a{
  max-height:0; overflow:hidden; transition:max-height .25s ease;
}
.faq-a p{ padding:0 4px 24px; font-size:14.5px; color:var(--text-muted); max-width:640px; }

/* ============ DISCLAIMER ============ */
.disclaimer-section{ padding:64px 0; border-top:1px solid var(--border-soft); background:var(--bg-panel); }
.disclaimer-eyebrow{ font-family:var(--font-mono); font-size:11px; letter-spacing:0.1em; color:var(--text-dim); margin-bottom:14px; }
.disclaimer-text{ font-size:14.5px; color:var(--text-muted); line-height:1.8; }

/* ============ FOOTER ============ */
.site-footer{ padding:44px 0; border-top:1px solid var(--border-soft); }
.footer-inner{ display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:20px; }
.footer-brand{ display:flex; align-items:center; gap:8px; font-family:var(--font-display); font-size:16px; color:var(--text-muted); }
.footer-brand .brand-mark{ color:var(--gold); }
.footer-brand em{ font-style:normal; color:var(--green); }
.footer-nav{ display:flex; gap:26px; }
.footer-nav a{ font-size:13px; color:var(--text-muted); }
.footer-nav a:hover{ color:var(--green); }
.footer-note{ font-size:12px; color:var(--text-dim); font-family:var(--font-mono); }

/* ============ SCROLL REVEAL ============ */
[data-reveal]{ opacity:0; transform:translateY(16px); transition:opacity .6s ease, transform .6s ease; }
[data-reveal].in{ opacity:1; transform:translateY(0); }

/* ============ RESPONSIVE ============ */
@media (max-width:900px){
  .main-nav{ display:none; }
  .criteria-grid{ grid-template-columns:1fr; }
  .scope-grid{ grid-template-columns:repeat(2,1fr); }
  .stock-grid{ grid-template-columns:repeat(3,1fr); }
  .reports-grid{ grid-template-columns:1fr; }
}
@media (max-width:600px){
  .wrap{ padding:0 20px; }
  .hero{ padding:90px 0 0; }
  .scope-grid{ grid-template-columns:1fr; }
  .stock-grid{ grid-template-columns:repeat(2,1fr); }
  .section{ padding:76px 0; }
  .footer-inner{ flex-direction:column; align-items:flex-start; }
}

/* reduced motion */
@media (prefers-reduced-motion:reduce){
  .ticker-track{ animation:none; }
  html{ scroll-behavior:auto; }
  [data-reveal]{ opacity:1; transform:none; transition:none; }
}