/* ForumCAD BIM Kumesi - Ortak Stil Dosyasi
   Kaynak: bim.php'nin gorsel dili (SS11 - tum spoke sayfalarinda aynen kullanilir)
   Bu dosya /bim/arac/*, /bim/ifc/*, /bim/mahal/*, /bim/takvim/*, /bim/rehber/*, /bim/sozluk/* sayfalarinca paylasilir. */

:root{
  --koyu:#1C1B1A;
  --turuncu:#1F4E79;
  --krem:#F6F4F1;
  --border:#E5E1DB;
  --text:#1C1B1A;
  --muted:#4A4640;
  --yesil:#16a34a;
  --yesil-bg:#F6F4F1;
  --yesil-br:#BBF7D0;
  --kirmizi:#1F4E79;
  --kir-bg:#FEF2F2;
  --kir-br:#FECACA;
  --sari:#d97706;
  --sari-bg:#FFFBEB;
  --sari-br:#FDE68A;
  --mavi:#2563eb;
  --mavi-bg:#EFF6FF;
  --mavi-br:#BFDBFE;
  --mor:#7c3aed;
  --mor-bg:#F5F3FF;
  --mor-br:#DDD6FE;
  --rose:#E7EEF5;
  --rose-soft:#F6F4F1;
  --sage:#E7EEF5;
  --sage-soft:#F6F4F1;
  --radius:16px;
  --radius-sm:10px;
}
*{box-sizing:border-box;margin:0;padding:0;}
body{font-family:'Archivo',sans-serif;color:var(--text);background:#fff;line-height:1.7;font-size:16px;}
a{color:var(--turuncu);text-decoration:none;}
a:hover{text-decoration:underline;}

/* HERO */
.bim-hero{background:var(--rose-soft);padding:100px 24px 60px;text-align:center;position:relative;overflow:hidden;}
.bim-hero::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(31,78,121,0.04) 1px,transparent 1px),linear-gradient(90deg,rgba(31,78,121,0.04) 1px,transparent 1px);background-size:48px 48px;}
.bim-hero-ic{position:relative;z-index:2;max-width:860px;margin:0 auto;}
.bim-etiket{display:inline-block;background:rgba(31,78,121,0.1);border:1px solid rgba(31,78,121,0.3);color:var(--turuncu);font-family:'Archivo',sans-serif;font-size:13px;font-weight:600;letter-spacing:2px;text-transform:uppercase;padding:6px 16px;border-radius:var(--radius-sm);margin-bottom:20px;}
.bim-hero h1{font-family:'Archivo',sans-serif;font-size:52px;font-weight:600;color:var(--text);text-transform:uppercase;line-height:1.05;letter-spacing:-1px;margin-bottom:20px;}
.bim-hero h1 span{color:var(--turuncu);}
.bim-aciklama{font-size:17px;color:var(--muted);max-width:640px;margin:0 auto 36px;line-height:1.6;}

/* Sayaç kartlar */
.bim-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;max-width:860px;margin:0 auto 40px;}
.bim-stat{background:var(--surface,#fff);border:1px solid var(--border);border-radius:var(--radius);padding:18px 12px;text-align:center;}
.bim-stat-sayi{font-family:'Archivo',sans-serif;font-size:32px;font-weight:600;color:var(--turuncu);line-height:1;}
.bim-stat-label{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.3;}

/* Hızlı nav */
.bim-hizli-nav{background:var(--surface,#fff);border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;max-width:860px;margin:0 auto;text-align:left;}
.bim-hizli-nav-baslik{font-size:13px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:1.5px;margin-bottom:12px;}
.bim-hizli-nav-links{display:flex;flex-wrap:wrap;gap:8px;}
.bim-hizli-nav-links a{display:inline-block;background:var(--rose-soft);border:1px solid rgba(31,78,121,0.2);color:var(--text);font-size:13px;font-weight:600;padding:7px 14px;border-radius:var(--radius-sm);transition:all 0.2s;}
.bim-hizli-nav-links a:hover{background:var(--turuncu);color:var(--surface,#fff);text-decoration:none;}

/* Sticky nav */
.bolum-nav-sticky{position:fixed;top:68px;left:0;right:0;background:rgba(255,255,255,0.97);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);z-index:998;transform:translateY(-110%);transition:transform 0.25s ease;box-shadow:0 2px 12px rgba(17,24,39,0.06);}
.bolum-nav-sticky.gorunur{transform:translateY(0);}
.bolum-nav-ic{max-width:1100px;margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;}
.bolum-nav-ic::-webkit-scrollbar{display:none;}
.nav-bolum-btn{flex-shrink:0;background:none;border:none;padding:14px 14px;font-family:'Archivo',sans-serif;font-size:13px;font-weight:600;color:var(--muted);cursor:pointer;text-transform:uppercase;letter-spacing:0.5px;border-bottom:2px solid transparent;transition:all 0.15s;white-space:nowrap;}
.nav-bolum-btn:hover,.nav-bolum-btn.aktif{color:var(--koyu);border-bottom-color:var(--turuncu);}

/* Ana wrap */
.ana-wrap{max-width:900px;margin:0 auto;padding:52px 24px 80px;}

/* Bölüm accordion */
.rehber-bolum{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:14px;background:#fff;overflow:hidden;transition:box-shadow 0.2s,border-color 0.2s;scroll-margin-top:120px;}
.rehber-bolum.acik{border-color:var(--turuncu);box-shadow:0 4px 20px rgba(31,78,121,0.12);}
.bolum-head{display:flex;align-items:center;gap:16px;width:100%;text-align:left;background:none;border:none;padding:18px 20px;cursor:pointer;font-family:'Archivo',sans-serif;}
.bolum-head:hover{background:var(--krem);}
.rehber-bolum.acik .bolum-head{background:var(--krem);border-bottom:1px solid var(--border);}
.bolum-head-num{flex:0 0 auto;font-family:'Archivo',sans-serif;font-size:22px;font-weight:600;color:var(--turuncu);background:rgba(31,78,121,0.1);border:1px solid rgba(31,78,121,0.3);border-radius:var(--radius-sm);width:46px;height:46px;display:flex;align-items:center;justify-content:center;}
.bolum-head-metin{flex:1;min-width:0;}
.bolum-head-etiket{display:block;font-size:13px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted);margin-bottom:2px;}
.bolum-head-baslik{display:block;font-family:'Archivo',sans-serif;font-size:22px;font-weight:600;color:var(--koyu);line-height:1.15;text-transform:uppercase;}
.bolum-head-ozet{display:block;font-size:13.5px;color:var(--muted);margin-top:3px;line-height:1.4;}
.bolum-head-ikon{flex:0 0 auto;width:30px;height:30px;border-radius:50%;border:1.5px solid var(--border);position:relative;transition:all 0.2s;}
.bolum-head-ikon::before,.bolum-head-ikon::after{content:'';position:absolute;background:var(--koyu);transition:transform 0.2s;}
.bolum-head-ikon::before{width:12px;height:2px;left:8px;top:13px;}
.bolum-head-ikon::after{width:2px;height:12px;left:13px;top:8px;}
.rehber-bolum.acik .bolum-head-ikon{background:var(--turuncu);border-color:var(--turuncu);}
.rehber-bolum.acik .bolum-head-ikon::before{background:var(--surface,#fff);}
.rehber-bolum.acik .bolum-head-ikon::after{transform:rotate(90deg);background:var(--surface,#fff);}
.bolum-icerik{display:none;padding:8px 24px 24px;}
.rehber-bolum.acik .bolum-icerik{display:block;}

/* İçerik stilleri */
.bolum-icerik h3{font-family:'Archivo',sans-serif;font-size:20px;font-weight:600;color:var(--koyu);text-transform:uppercase;margin:24px 0 10px;padding-left:12px;border-left:4px solid var(--turuncu);}
.bolum-icerik p{font-size:15.5px;margin-bottom:14px;line-height:1.75;}
.bolum-icerik ul,.bolum-icerik ol{padding-left:22px;margin-bottom:16px;}
.bolum-icerik li{margin-bottom:8px;font-size:15px;line-height:1.65;}
.bolum-icerik strong{color:var(--koyu);}

/* Kutu stilleri */
.bilgi-kutu{background:var(--mavi-bg);border:1px solid var(--mavi-br);border-left:5px solid var(--mavi);border-radius:var(--radius-sm);padding:16px 20px;margin:18px 0;}
.bilgi-kutu-baslik{font-family:'Archivo',sans-serif;font-size:14px;font-weight:600;color:var(--mavi);text-transform:uppercase;letter-spacing:0.5px;margin-bottom:6px;}
.bilgi-kutu p{margin-bottom:0;font-size:14.5px;color:#1e3a5f;}
.uyari-kutu{background:var(--sari-bg);border:1px solid var(--sari-br);border-left:5px solid var(--sari);border-radius:var(--radius-sm);padding:16px 20px;margin:18px 0;}
.uyari-kutu-baslik{font-family:'Archivo',sans-serif;font-size:14px;font-weight:600;color:var(--sari);text-transform:uppercase;letter-spacing:0.5px;margin-bottom:6px;}
.uyari-kutu p{margin-bottom:0;font-size:14.5px;color:#78350f;}
.kirmizi-kutu{background:var(--kir-bg);border:1px solid var(--kir-br);border-left:5px solid var(--kirmizi);border-radius:var(--radius-sm);padding:16px 20px;margin:18px 0;}
.kirmizi-kutu-baslik{font-family:'Archivo',sans-serif;font-size:14px;font-weight:600;color:var(--kirmizi);text-transform:uppercase;letter-spacing:0.5px;margin-bottom:6px;}
.kirmizi-kutu p{margin-bottom:0;font-size:14.5px;color:#7f1d1d;}
.yesil-kutu{background:var(--yesil-bg);border:1px solid var(--yesil-br);border-left:5px solid var(--yesil);border-radius:var(--radius-sm);padding:16px 20px;margin:18px 0;}
.yesil-kutu-baslik{font-family:'Archivo',sans-serif;font-size:14px;font-weight:600;color:var(--yesil);text-transform:uppercase;letter-spacing:0.5px;margin-bottom:6px;}
.yesil-kutu p{margin-bottom:0;font-size:14.5px;color:#14532d;}
.mor-kutu{background:var(--mor-bg);border:1px solid var(--mor-br);border-left:5px solid var(--mor);border-radius:var(--radius-sm);padding:16px 20px;margin:18px 0;}
.mor-kutu-baslik{font-family:'Archivo',sans-serif;font-size:14px;font-weight:600;color:var(--mor);text-transform:uppercase;letter-spacing:0.5px;margin-bottom:6px;}
.mor-kutu p{margin-bottom:0;font-size:14.5px;color:#4c1d95;}
.muh-notu{background:var(--krem);border:1px solid var(--border);border-left:5px solid var(--turuncu);border-radius:var(--radius-sm);padding:16px 20px;margin:18px 0;}
.muh-notu-baslik{font-family:'Archivo',sans-serif;font-size:13px;font-weight:600;color:var(--turuncu);text-transform:uppercase;letter-spacing:1px;margin-bottom:6px;}
.muh-notu p{margin-bottom:0;font-size:14.5px;color:var(--text);}

/* Kapsam kartlar */
.kapsam-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:20px 0;}
.kapsam-kart{border-radius:var(--radius);padding:20px;}
.kapsam-kart.yesil{background:var(--yesil-bg);border:1px solid var(--yesil-br);}
.kapsam-kart.gri{background:#F8F8F8;border:1px solid #E5E1DB;}
.kapsam-kart h4{font-family:'Archivo',sans-serif;font-size:16px;font-weight:600;text-transform:uppercase;margin-bottom:12px;}
.kapsam-kart.yesil h4{color:var(--yesil);}
.kapsam-kart.gri h4{color:#555;}
.kapsam-kart li{font-size:14px;margin-bottom:6px;}

/* Timeline */
.timeline{position:relative;padding-left:32px;margin:24px 0;}
.timeline::before{content:'';position:absolute;left:10px;top:0;bottom:0;width:2px;background:var(--border);}
.timeline-item{position:relative;margin-bottom:28px;}
.timeline-item::before{content:'';position:absolute;left:-26px;top:4px;width:14px;height:14px;border-radius:50%;background:#fff;border:2px solid var(--border);}
.timeline-item.aktif::before{background:var(--turuncu);border-color:var(--turuncu);}
.timeline-item.onemli::before{background:var(--kirmizi);border-color:var(--kirmizi);width:18px;height:18px;left:-28px;}
.timeline-tarih{font-family:'Archivo',sans-serif;font-size:13px;font-weight:600;color:var(--turuncu);text-transform:uppercase;letter-spacing:1px;margin-bottom:4px;}
.timeline-item.onemli .timeline-tarih{color:var(--kirmizi);}
.timeline-baslik{font-family:'Archivo',sans-serif;font-size:18px;font-weight:600;color:var(--koyu);text-transform:uppercase;margin-bottom:6px;}
.timeline-aciklama{font-size:14.5px;color:var(--muted);line-height:1.6;}
.timeline-chip{display:inline-block;font-family:'Archivo',sans-serif;font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:1px;padding:3px 10px;border-radius:var(--radius-sm);margin-top:6px;}
.chip-gri{background:#F0F0F0;color:#666;border:1px solid #E5E1DB;}
.chip-turuncu{background:rgba(31,78,121,0.1);color:var(--turuncu);border:1px solid rgba(31,78,121,0.3);}
.chip-kirmizi{background:var(--kir-bg);color:var(--kirmizi);border:1px solid var(--kir-br);}
.chip-yesil{background:var(--yesil-bg);color:var(--yesil);border:1px solid var(--yesil-br);}

/* Tablo */
.bim-tablo{width:100%;border-collapse:collapse;margin:16px 0 24px;font-size:14.5px;}
.bim-tablo thead th{background:var(--rose);color:var(--text);font-family:'Archivo',sans-serif;font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:1px;padding:11px 14px;text-align:left;}
.bim-tablo tbody td{padding:11px 14px;border-bottom:1px solid var(--border);color:var(--text);}
.bim-tablo tbody tr:last-child td{border-bottom:none;}
.bim-tablo tbody tr:nth-child(even) td{background:var(--rose-soft);}
.bim-tablo tbody td:first-child{font-weight:600;color:var(--koyu);}

/* Kavram kartlar */
.kavram-grid{display:grid;grid-template-columns:1fr;gap:16px;margin:20px 0;}
.kavram-kart{background:var(--krem);border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;}
.kavram-kart h4{font-family:'Archivo',sans-serif;font-size:20px;font-weight:600;color:var(--koyu);text-transform:uppercase;margin-bottom:8px;}
.kavram-kart p{font-size:14.5px;color:var(--text);margin-bottom:8px;line-height:1.65;}
.kavram-kart p:last-child{margin-bottom:0;}

/* Adimlar */
.adim-listesi{counter-reset:adimlar;margin:20px 0;}
.adim{display:flex;gap:16px;margin-bottom:22px;align-items:flex-start;counter-increment:adimlar;}
.adim-no{background:var(--turuncu);color:var(--surface,#fff);font-family:'Archivo',sans-serif;font-size:18px;font-weight:600;min-width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.adim-no::before{content:counter(adimlar,decimal-leading-zero);}
.adim-icerik-baslik{font-family:'Archivo',sans-serif;font-size:17px;font-weight:600;color:var(--koyu);text-transform:uppercase;margin-bottom:4px;}
.adim-icerik p{font-size:14.5px;color:var(--muted);margin-bottom:0;line-height:1.6;}

/* SSS */
.sss-listesi{margin:16px 0;}
.sss-item{border-bottom:1px solid var(--border);padding:16px 0;}
.sss-item:last-child{border-bottom:none;}
.sss-soru{font-family:'Archivo',sans-serif;font-size:17px;font-weight:600;color:var(--koyu);text-transform:uppercase;margin-bottom:8px;}
.sss-cevap{font-size:14.5px;color:var(--muted);line-height:1.65;}

/* CTA kartlar */
.cta-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0;}
.cta-kart{background:var(--krem);border:1px solid var(--border);border-radius:var(--radius);padding:24px 20px;text-align:center;}
.cta-kart h3{font-family:'Archivo',sans-serif;font-size:18px;font-weight:600;color:var(--koyu);text-transform:uppercase;margin-bottom:10px;}
.cta-kart p{font-size:13.5px;color:var(--muted);line-height:1.6;margin-bottom:18px;}
.cta-btn{display:inline-block;background:var(--turuncu);color:#fff;font-family:'Archivo',sans-serif;font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:0.5px;padding:11px 22px;border-radius:var(--radius-sm);text-decoration:none;transition:background 0.2s;}
.cta-btn:hover{background:var(--koyu);color:#fff;text-decoration:none;}
.cta-btn.wa{background:#25d366;color:#fff;}
.cta-btn.wa:hover{background:#1da851;}

/* WhatsApp CTA */
.wa-kutu{background:var(--rose-soft);border:1px solid var(--border);border-radius:var(--radius);padding:28px 32px;margin:36px 0;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.wa-kutu p{color:var(--text);font-size:15px;margin:0;flex:1;}
.wa-btn{display:inline-flex;align-items:center;gap:8px;background:#25d366;color:#fff;font-family:'Archivo',sans-serif;font-size:15px;font-weight:600;text-transform:uppercase;letter-spacing:0.5px;text-decoration:none;padding:13px 24px;border-radius:var(--radius-sm);white-space:nowrap;}

/* Tümünü aç butonu */
.tumu-ac-wrap{text-align:right;margin-bottom:16px;}
.tumu-ac-btn{background:none;border:1px solid var(--border);color:var(--muted);font-family:'Archivo',sans-serif;font-size:13px;font-weight:600;padding:7px 16px;border-radius:var(--radius-sm);cursor:pointer;transition:all 0.2s;}
.tumu-ac-btn:hover{border-color:var(--turuncu);color:var(--turuncu);}

/* Footer notu */
.footer-notu{background:var(--krem);border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px;margin:40px 0 0;font-size:13px;color:var(--muted);line-height:1.6;}

@media(max-width:768px){
  .bim-hero h1{font-size:32px;}
  .bim-stats{grid-template-columns:1fr 1fr;}
  .bim-hizli-nav-links{gap:6px;}
  .kapsam-grid{grid-template-columns:1fr;}
  .cta-grid{grid-template-columns:1fr;}
  .bim-tablo{font-size:13px;}
  .bim-tablo th,.bim-tablo td{padding:9px 10px;}
  .wa-kutu{flex-direction:column;}
  .bolum-head-baslik{font-size:17px;}
}
@media(max-width:480px){
  .bim-hero h1{font-size:26px;}
  .bim-stats{grid-template-columns:1fr 1fr;}
  .bim-stat-sayi{font-size:24px;}
}