/* =================================================================
   ENERJI34 - GLOBAL.CSS
   Kurumsal elektrik proje/taahhut temasi (acik/koyu mod)
   TOC:
   01. Degiskenler & Tema
   02. Reset & Tipografi
   03. Layout & Container
   04. Butonlar
   05. Topbar
   06. Header / Nav / Mega Menu
   07. Dil & Tema toggle
   08. Mobil Menu
   09. Hero
   10. Bolum basliklari & ortak
   11. Istatistikler
   12. Hizmet kartlari
   13. Neden biz / ozellikler
   14. Surec
   15. Hakkimizda
   16. Projeler
   17. SSS akordeon
   18. Iletisim
   19. CTA bant
   20. Footer
   21. Yuzen butonlar
   22. Sayfa hero / breadcrumb
   23. Hizmet detay
   24. 404
   25. Animasyon & responsive
   ================================================================= */

/* ===== 01. DEGISKENLER & TEMA ===== */
:root{
  --primary:#1d4ed8;        /* mavi */
  --primary-d:#1e3a8a;
  --primary-l:#3b82f6;
  --accent:#fd8403;         /* logo turuncusu */
  --accent-d:#d96e00;
  --ink:#0f172a;
  --body:#334155;
  --muted:#64748b;
  --line:#e2e8f0;
  --bg:#ffffff;
  --bg-soft:#f1f5f9;
  --bg-card:#ffffff;
  --header-bg:rgba(255,255,255,.9);
  --shadow:0 10px 30px rgba(15,23,42,.08);
  --shadow-lg:0 24px 60px rgba(15,23,42,.14);
  --radius:16px;
  --radius-sm:10px;
  --container:1240px;
  --ff-head:'Montserrat',system-ui,sans-serif;
  --ff-body:'Inter',system-ui,sans-serif;
  --t:.25s cubic-bezier(.4,0,.2,1);
}
[data-theme="dark"]{
  --ink:#f1f5f9;
  --body:#cbd5e1;
  --muted:#94a3b8;
  --line:#1e293b;
  --bg:#0b1220;
  --bg-soft:#0f1a2e;
  --bg-card:#111c30;
  --header-bg:rgba(11,18,32,.85);
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-lg:0 24px 60px rgba(0,0,0,.5);
}

/* ===== 02. RESET & TIPOGRAFI ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--ff-body);
  color:var(--body);
  background:var(--bg);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  transition:background var(--t),color var(--t);
}
h1,h2,h3,h4,h5{font-family:var(--ff-head);color:var(--ink);line-height:1.2;font-weight:800}
h1{font-size:clamp(2rem,4.5vw,3.4rem)}
h2{font-size:clamp(1.6rem,3vw,2.4rem)}
h3{font-size:1.3rem}
p{margin-bottom:1rem}
a{color:inherit;text-decoration:none;transition:color var(--t)}
img{max-width:100%;display:block}
ul{list-style:none}
section{position:relative}

/* ===== 03. LAYOUT & CONTAINER ===== */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-soft{background:var(--bg-soft)}
.text-center{text-align:center}
.grid{display:grid;gap:28px}

/* ===== 04. BUTONLAR ===== */
.btn{
  display:inline-flex;align-items:center;gap:.55rem;
  font-family:var(--ff-head);font-weight:700;font-size:.95rem;
  padding:.85rem 1.6rem;border-radius:999px;border:2px solid transparent;
  cursor:pointer;transition:all var(--t);white-space:nowrap;
}
.btn i{font-size:.95em}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-d);transform:translateY(-2px);box-shadow:0 10px 24px rgba(29,78,216,.35)}
.btn-accent{background:var(--accent);color:#1a1a1a}
.btn-accent:hover{background:var(--accent-d);transform:translateY(-2px);box-shadow:0 10px 24px rgba(253,132,3,.4)}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-light{background:#fff;color:var(--primary)}
.btn-light:hover{transform:translateY(-2px)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-outline-light:hover{background:#fff;color:var(--primary)}
.btn-lg{padding:1.05rem 2rem;font-size:1.05rem}

/* ===== 05. TOPBAR ===== */
.topbar{background:var(--primary-d);color:#e8eefc;font-size:.85rem}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;height:42px;flex-wrap:wrap}
.topbar i{color:var(--accent);margin-right:.35rem}
.topbar-left{display:flex;gap:.6rem;align-items:center}
.topbar-sep{opacity:.4}
.topbar-right{display:flex;gap:1.2rem;align-items:center}
.topbar-right a:hover{color:#fff}
.topbar-phone{font-weight:700}

/* ===== 06. HEADER / NAV / MEGA ===== */
.site-header{position:sticky;top:0;z-index:900;background:var(--header-bg);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:all var(--t)}
.site-header.scrolled{box-shadow:var(--shadow)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:74px;gap:1.5rem}
.brand{display:flex;align-items:center;gap:.6rem;font-family:var(--ff-head);font-weight:900;font-size:1.5rem;color:var(--ink)}
.brand-mark{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--primary-l));color:#fff;font-size:1.2rem;box-shadow:0 6px 16px rgba(29,78,216,.35)}
.brand-accent{color:var(--accent)}
.brand-logo img{height:46px;width:auto;display:block}
[data-theme="dark"] .site-header .brand-logo img{filter:brightness(0) invert(1)}

.main-nav{margin-left:auto}
.nav-list{display:flex;gap:.3rem;align-items:center}
.nav-list>li>a{display:flex;align-items:center;gap:.4rem;padding:.6rem .9rem;border-radius:10px;font-weight:600;font-size:.96rem;color:var(--ink)}
.nav-list>li>a:hover{color:var(--primary);background:var(--bg-soft)}
.nav-list>li>a i{font-size:.7rem;transition:transform var(--t)}
.has-mega{position:relative}
.has-mega:hover>a i{transform:rotate(180deg)}

.mega{
  position:absolute;top:calc(100% + 12px);left:50%;transform:translateX(-50%) translateY(10px);
  width:680px;max-width:90vw;background:var(--bg-card);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:18px;
  opacity:0;visibility:hidden;transition:all var(--t);z-index:950;
}
.has-mega:hover .mega{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.mega-item{display:flex;gap:.8rem;align-items:flex-start;padding:.7rem;border-radius:12px;transition:background var(--t)}
.mega-item:hover{background:var(--bg-soft)}
.mega-icon{flex:none;width:40px;height:40px;display:grid;place-items:center;border-radius:10px;background:color-mix(in srgb,var(--ac,#1d4ed8) 14%,transparent);color:var(--ac,#1d4ed8);font-size:1.05rem}
.mega-txt strong{display:block;color:var(--ink);font-family:var(--ff-head);font-size:.92rem;line-height:1.3}
.mega-txt small{color:var(--muted);font-size:.78rem;line-height:1.35}

.nav-actions{display:flex;align-items:center;gap:.6rem}

/* ===== 07. DIL & TEMA ===== */
.lang-switch{position:relative}
.lang-btn{display:flex;align-items:center;gap:.4rem;background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;padding:.5rem .8rem;cursor:pointer;color:var(--ink);font-weight:600;font-size:.85rem}
.lang-btn i{font-size:.65rem}
.lang-menu{position:absolute;right:0;top:calc(100% + 8px);background:var(--bg-card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-lg);padding:6px;min-width:160px;opacity:0;visibility:hidden;transform:translateY(8px);transition:all var(--t);z-index:950}
.lang-switch.open .lang-menu{opacity:1;visibility:visible;transform:translateY(0)}
.lang-menu a{display:flex;align-items:center;gap:.6rem;padding:.55rem .7rem;border-radius:8px;font-size:.88rem;color:var(--ink)}
.lang-menu a:hover{background:var(--bg-soft)}
.lang-menu a.active{color:var(--primary);font-weight:700}
.theme-toggle{width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:var(--bg-soft);color:var(--ink);cursor:pointer;display:grid;place-items:center;font-size:1rem;transition:all var(--t)}
.theme-toggle:hover{color:var(--accent);transform:rotate(15deg)}

/* ===== 08. MOBIL MENU ===== */
.nav-toggle{display:none;flex-direction:column;gap:5px;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:var(--bg-soft);cursor:pointer;align-items:center;justify-content:center}
.nav-toggle span{width:22px;height:2px;background:var(--ink);transition:all var(--t)}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== 09. HERO ===== */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(1200px 500px at 80% -10%,rgba(59,130,246,.18),transparent),
  linear-gradient(160deg,var(--primary-d),#0b1f4d 70%);color:#fff;padding:120px 0 130px}
[data-theme="dark"] .hero{background:radial-gradient(1200px 500px at 80% -10%,rgba(59,130,246,.22),transparent),linear-gradient(160deg,#0a1733,#070d1c 70%)}
.hero::after{content:"";position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40'%3E%3Cpath d='M0 39h40M39 0v40' stroke='%23ffffff10' stroke-width='1'/%3E%3C/svg%3E");opacity:.5;pointer-events:none}
.hero-inner{position:relative;max-width:760px;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:.5rem;background:rgba(253,132,3,.16);color:var(--accent);border:1px solid rgba(253,132,3,.4);padding:.45rem 1rem;border-radius:999px;font-weight:700;font-size:.82rem;margin-bottom:1.4rem}
.hero-sub{color:var(--accent);font-family:var(--ff-head);font-weight:700;letter-spacing:.04em;text-transform:uppercase;font-size:.95rem;margin-bottom:.6rem}
.hero h1{color:#fff;margin-bottom:1.2rem}
.hero p{color:#cdd9f5;font-size:1.12rem;max-width:620px;margin-bottom:2rem}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}
.hero-trust{display:flex;gap:2rem;margin-top:2.6rem;flex-wrap:wrap}
.hero-trust div{display:flex;flex-direction:column}
.hero-trust b{font-family:var(--ff-head);font-size:1.8rem;color:#fff}
.hero-trust span{color:#9fb3e0;font-size:.85rem}

/* ===== 10. BOLUM BASLIKLARI ===== */
.section-head{max-width:680px;margin:0 auto 56px;text-align:center}
.section-label{display:inline-block;color:var(--primary);font-family:var(--ff-head);font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:.82rem;margin-bottom:.7rem}
.section-head p{color:var(--muted);font-size:1.05rem}
.section-head.left{margin-left:0;text-align:left}

/* ===== 11. ISTATISTIKLER ===== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:32px 24px;text-align:center;box-shadow:var(--shadow);transition:transform var(--t)}
.stat:hover{transform:translateY(-6px)}
.stat b{display:block;font-family:var(--ff-head);font-size:2.6rem;color:var(--primary);line-height:1}
.stat span{color:var(--muted);font-weight:600;font-size:.95rem;margin-top:.4rem;display:block}

/* ===== 12. HIZMET KARTLARI ===== */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.svc-card{position:relative;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);transition:all var(--t);overflow:hidden}
.svc-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:var(--ac,var(--primary));transform:scaleX(0);transform-origin:left;transition:transform var(--t)}
.svc-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}
.svc-card:hover::before{transform:scaleX(1)}
.svc-ico{width:62px;height:62px;border-radius:16px;display:grid;place-items:center;font-size:1.6rem;margin-bottom:1.2rem;background:color-mix(in srgb,var(--ac,#1d4ed8) 13%,transparent);color:var(--ac,#1d4ed8)}
.svc-card h3{margin-bottom:.5rem}
.svc-card p{color:var(--muted);font-size:.95rem;margin-bottom:1.2rem}
.svc-link{display:inline-flex;align-items:center;gap:.4rem;color:var(--primary);font-weight:700;font-size:.9rem}
.svc-link i{transition:transform var(--t)}
.svc-card:hover .svc-link i{transform:translateX(5px)}

/* ===== 13. NEDEN BIZ ===== */
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feat{text-align:center;padding:28px 20px}
.feat-ico{width:74px;height:74px;margin:0 auto 1.1rem;border-radius:20px;display:grid;place-items:center;font-size:1.8rem;background:linear-gradient(135deg,var(--primary),var(--primary-l));color:#fff;box-shadow:0 12px 26px rgba(29,78,216,.3)}
.feat h3{font-size:1.15rem;margin-bottom:.5rem}
.feat p{color:var(--muted);font-size:.92rem}

/* ===== 14. SUREC ===== */
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:step}
.step{position:relative;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 22px;text-align:center;box-shadow:var(--shadow)}
.step-num{position:absolute;top:-16px;left:50%;transform:translateX(-50%);width:42px;height:42px;border-radius:50%;background:var(--accent);color:#1a1a1a;font-family:var(--ff-head);font-weight:800;display:grid;place-items:center;font-size:.95rem}
.step-ico{font-size:1.7rem;color:var(--primary);margin:.6rem 0 .9rem}
.step h3{font-size:1rem;margin-bottom:.4rem}
.step p{color:var(--muted);font-size:.85rem;margin:0}

/* ===== 15. HAKKIMIZDA ===== */
.about-split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about-visual{position:relative;border-radius:var(--radius);overflow:hidden;min-height:420px;background:linear-gradient(135deg,var(--primary),var(--primary-d));display:grid;place-items:center;color:#fff;box-shadow:var(--shadow-lg)}
.about-visual i{font-size:8rem;opacity:.25}
.about-visual .about-badge{position:absolute;bottom:24px;left:24px;background:var(--accent);color:#1a1a1a;padding:1rem 1.4rem;border-radius:14px;font-family:var(--ff-head);font-weight:800}
.about-badge b{display:block;font-size:1.8rem;line-height:1}
.about-list{margin-top:1.4rem;display:grid;gap:.8rem}
.about-list li{display:flex;gap:.7rem;align-items:flex-start;color:var(--body)}
.about-list i{color:var(--primary);margin-top:.25rem}
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.value-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.value-card .v-ico{width:56px;height:56px;border-radius:14px;display:grid;place-items:center;font-size:1.4rem;background:color-mix(in srgb,var(--primary) 12%,transparent);color:var(--primary);margin-bottom:1rem}
.mv-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.mv-card{background:var(--bg-card);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}

/* ===== 16. PROJELER ===== */
.proj-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.proj-card{position:relative;border-radius:var(--radius);overflow:hidden;min-height:230px;display:flex;flex-direction:column;justify-content:flex-end;padding:26px;color:#fff;background:linear-gradient(160deg,var(--primary),var(--primary-d));box-shadow:var(--shadow);transition:transform var(--t)}
.proj-card:nth-child(even){background:linear-gradient(160deg,#0f2a6b,#0a1a44)}
.proj-card:hover{transform:translateY(-6px)}
.proj-card i{font-size:2.2rem;color:var(--accent);margin-bottom:auto}
.proj-card h3{color:#fff;font-size:1.1rem;margin:.8rem 0 .4rem}
.proj-card p{color:#cdd9f5;font-size:.86rem;margin:0}

/* ===== 17. SSS AKORDEON ===== */
.faq-wrap{max-width:840px;margin:0 auto}
.faq-item{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:14px;overflow:hidden;transition:box-shadow var(--t)}
.faq-item.open{box-shadow:var(--shadow)}
.faq-q{width:100%;text-align:left;background:none;border:none;cursor:pointer;padding:22px 24px;display:flex;justify-content:space-between;align-items:center;gap:1rem;font-family:var(--ff-head);font-weight:700;font-size:1.02rem;color:var(--ink)}
.faq-q i{color:var(--primary);transition:transform var(--t);flex:none}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height var(--t)}
.faq-a p{padding:0 24px 22px;color:var(--muted);margin:0}

/* ===== 18. ILETISIM ===== */
.contact-split{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:start}
.contact-form{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:36px;box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-weight:600;font-size:.88rem;margin-bottom:.4rem;color:var(--ink)}
.field input,.field textarea{width:100%;padding:.85rem 1rem;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);font-family:inherit;font-size:.95rem;transition:border var(--t)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(29,78,216,.12)}
.field textarea{min-height:130px;resize:vertical}
.form-note{font-size:.8rem;color:var(--muted);margin-top:.6rem}
.contact-info{display:grid;gap:16px}
.info-card{display:flex;gap:1rem;align-items:flex-start;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:22px;box-shadow:var(--shadow)}
.info-card .i-ico{flex:none;width:48px;height:48px;border-radius:12px;display:grid;place-items:center;background:color-mix(in srgb,var(--primary) 12%,transparent);color:var(--primary);font-size:1.2rem}
.info-card h4{font-size:.95rem;margin-bottom:.2rem}
.info-card p,.info-card a{color:var(--muted);font-size:.92rem;margin:0}
.info-card a:hover{color:var(--primary)}
.form-alert{display:none;background:#dcfce7;color:#166534;border:1px solid #86efac;padding:.9rem 1rem;border-radius:10px;margin-bottom:1rem;font-size:.9rem}
.form-alert.show{display:block}

/* ===== 19. CTA BANT ===== */
.cta-band{background:linear-gradient(120deg,var(--primary),var(--primary-d));color:#fff;padding:60px 0}
.cta-band-inner{display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}
.cta-band h2{color:#fff;margin-bottom:.4rem}
.cta-band p{color:#cdd9f5;margin:0;max-width:560px}
.cta-band-actions{display:flex;gap:1rem;flex-wrap:wrap}

/* ===== 20. FOOTER ===== */
.site-footer{background:#0a1226;color:#9fb0cc;padding-top:72px}
[data-theme="dark"] .site-footer{background:#070d1c}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px}
.site-footer .brand{color:#fff;margin-bottom:1rem}
.footer-logo img{filter:brightness(0) invert(1)}
.footer-about p{font-size:.92rem;color:#8294b4}
.footer-social{display:flex;gap:.6rem;margin-top:1.2rem}
.footer-social a{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;background:rgba(255,255,255,.06);color:#cdd9f5;transition:all var(--t)}
.footer-social a:hover{background:var(--accent);color:#1a1a1a;transform:translateY(-3px)}
.footer-col h4{color:#fff;font-size:1.05rem;margin-bottom:1.2rem}
.footer-col ul li{margin-bottom:.6rem}
.footer-col ul a{color:#8294b4;font-size:.92rem}
.footer-col ul a:hover{color:var(--accent);padding-left:4px}
.contact-list li{display:flex;gap:.6rem;align-items:flex-start;margin-bottom:.8rem;font-size:.92rem;color:#8294b4}
.contact-list i{color:var(--accent);margin-top:.25rem}
.contact-list a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0}
.footer-bottom-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;font-size:.85rem;color:#6b7c9c}
.footer-domain{color:var(--accent);font-weight:600}

/* ===== 21. YUZEN BUTONLAR ===== */
.floating-actions{position:fixed;right:20px;bottom:20px;z-index:800;display:flex;flex-direction:column;gap:12px}
.floating-actions .fab{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:1.4rem;box-shadow:var(--shadow-lg);transition:transform var(--t)}
.floating-actions .fab:hover{transform:scale(1.1)}
.fab-wa{background:#25d366}
.fab-call{background:var(--primary)}

/* ===== 22. SAYFA HERO / BREADCRUMB ===== */
.page-hero{background:linear-gradient(160deg,var(--primary-d),#0b1f4d);color:#fff;padding:70px 0 60px;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40'%3E%3Cpath d='M0 39h40M39 0v40' stroke='%23ffffff10' stroke-width='1'/%3E%3C/svg%3E");opacity:.5}
.page-hero-inner{position:relative;z-index:2}
.page-hero h1{color:#fff;margin-bottom:.6rem}
.page-hero p{color:#cdd9f5;max-width:640px;margin:0}
.breadcrumb{display:flex;gap:.5rem;align-items:center;font-size:.85rem;color:#9fb3e0;margin-bottom:1rem}
.breadcrumb a{color:#cdd9f5}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span{opacity:.6}

/* ===== 23. HIZMET DETAY ===== */
.svc-detail{display:grid;grid-template-columns:1fr 320px;gap:48px;align-items:start}
.svc-body .lead{font-size:1.15rem;color:var(--body)}
.svc-ico-lg{width:80px;height:80px;border-radius:20px;display:grid;place-items:center;font-size:2rem;margin-bottom:1.4rem;background:color-mix(in srgb,var(--ac,#1d4ed8) 13%,transparent);color:var(--ac,#1d4ed8)}
.scope-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:1.4rem 0 2rem}
.scope-list li{display:flex;gap:.7rem;align-items:flex-start;background:var(--bg-soft);border:1px solid var(--line);border-radius:10px;padding:14px 16px;font-size:.93rem;color:var(--body)}
.scope-list i{color:var(--accent);margin-top:.2rem}
.benefit-box{background:color-mix(in srgb,var(--primary) 8%,transparent);border:1px solid color-mix(in srgb,var(--primary) 25%,transparent);border-radius:var(--radius);padding:22px 24px;display:flex;gap:1rem;align-items:flex-start}
.benefit-box i{color:var(--primary);font-size:1.4rem;margin-top:.1rem}
.why-list{display:grid;gap:.7rem;margin-top:1rem}
.why-list li{display:flex;gap:.6rem;align-items:flex-start;color:var(--body)}
.why-list i{color:#16a34a;margin-top:.25rem}
.svc-aside{position:sticky;top:100px;display:grid;gap:20px}
.aside-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.aside-card.dark{background:linear-gradient(140deg,var(--primary),var(--primary-d));color:#fff}
.aside-card.dark h3,.aside-card.dark p{color:#fff}
.aside-card.dark p{color:#cdd9f5;font-size:.92rem}
.aside-card h3{margin-bottom:.6rem;font-size:1.15rem}
.aside-links a{display:flex;justify-content:space-between;align-items:center;padding:.7rem 0;border-bottom:1px solid var(--line);color:var(--body);font-weight:600;font-size:.92rem}
.aside-links a:last-child{border-bottom:none}
.aside-links a:hover{color:var(--primary)}
.aside-links a i{color:var(--primary)}

/* ===== 24. 404 ===== */
.nf{min-height:60vh;display:grid;place-items:center;text-align:center;padding:80px 0}
.nf h1{font-size:clamp(5rem,16vw,10rem);color:var(--primary);line-height:1}
.nf h2{margin:.4rem 0 1rem}
.nf p{color:var(--muted);max-width:460px;margin:0 auto 1.6rem}

/* ===== 26. REFERANSLAR / GALERI ===== */
.proj-filters{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:40px}
.pf-btn{font-family:var(--ff-head);font-weight:700;font-size:.9rem;padding:.6rem 1.3rem;border-radius:999px;border:1px solid var(--line);background:var(--bg-card);color:var(--ink);cursor:pointer;transition:all var(--t)}
.pf-btn:hover{border-color:var(--primary);color:var(--primary)}
.pf-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}
.ref-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.ref-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform var(--t),box-shadow var(--t),opacity .3s}
.ref-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.ref-card.hide{display:none}
.ref-thumb{position:relative;display:block;width:100%;aspect-ratio:3/2;border:none;padding:0;cursor:pointer;overflow:hidden;background:var(--bg-soft)}
.ref-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.ref-card:hover .ref-thumb img{transform:scale(1.06)}
.ref-zoom{position:absolute;inset:0;display:grid;place-items:center;background:rgba(11,18,32,.45);color:#fff;font-size:1.8rem;opacity:0;transition:opacity var(--t)}
.ref-thumb:hover .ref-zoom{opacity:1}
.ref-count{position:absolute;top:12px;right:12px;background:rgba(11,18,32,.7);color:#fff;font-size:.78rem;font-weight:600;padding:.3rem .6rem;border-radius:999px;display:flex;align-items:center;gap:.35rem}
.ref-body{padding:22px 24px}
.ref-cat{display:inline-block;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;padding:.25rem .65rem;border-radius:6px;margin-bottom:.7rem}
.ref-cat-konut{background:color-mix(in srgb,#1d4ed8 14%,transparent);color:#1d4ed8}
.ref-cat-ticari{background:color-mix(in srgb,#fd8403 16%,transparent);color:#c2410c}
.ref-cat-endustriyel{background:color-mix(in srgb,#0f766e 15%,transparent);color:#0f766e}
[data-theme="dark"] .ref-cat-ticari{color:#fd8403}
[data-theme="dark"] .ref-cat-endustriyel{color:#2dd4bf}
.ref-body h3{font-size:1.12rem;margin-bottom:.4rem}
.ref-loc{color:var(--muted);font-size:.85rem;margin-bottom:.6rem}
.ref-loc i{color:var(--accent);margin-right:.25rem}
.ref-desc{color:var(--muted);font-size:.9rem;margin:0}

/* ===== 27. LIGHTBOX ===== */
.lightbox{position:fixed;inset:0;z-index:2000;background:rgba(7,12,24,.94);display:none;align-items:center;justify-content:center;padding:24px}
.lightbox.open{display:flex}
.lb-stage{max-width:1100px;width:100%;display:flex;flex-direction:column;align-items:center;gap:14px}
.lb-img{max-width:100%;max-height:72vh;border-radius:12px;box-shadow:0 30px 70px rgba(0,0,0,.6);background:#0b1220;object-fit:contain;user-select:none}
.lb-caption{color:#fff;font-family:var(--ff-head);font-weight:700;text-align:center}
.lb-caption small{display:block;color:#9fb3e0;font-weight:500;font-size:.85rem;margin-top:.2rem}
.lb-thumbs{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;max-width:100%}
.lb-thumbs img{width:74px;height:50px;object-fit:cover;border-radius:7px;cursor:pointer;opacity:.5;border:2px solid transparent;transition:all var(--t)}
.lb-thumbs img.active,.lb-thumbs img:hover{opacity:1;border-color:var(--accent)}
.lb-close{position:absolute;top:18px;right:22px;width:48px;height:48px;border-radius:50%;border:none;background:rgba(255,255,255,.12);color:#fff;font-size:1.4rem;cursor:pointer;transition:background var(--t)}
.lb-close:hover{background:var(--accent);color:#1a1a1a}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:54px;height:54px;border-radius:50%;border:none;background:rgba(255,255,255,.12);color:#fff;font-size:1.3rem;cursor:pointer;transition:background var(--t)}
.lb-nav:hover{background:var(--primary)}
.lb-prev{left:22px}.lb-next{right:22px}

/* ===== 28. HARITA ===== */
.map-section{position:relative}
.map-section iframe{filter:grayscale(.1)}

/* ===== 25. ANIMASYON & RESPONSIVE ===== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

@media(max-width:1100px){
  .svc-grid,.proj-grid,.feat-grid,.ref-grid{grid-template-columns:repeat(2,1fr)}
  .process{grid-template-columns:repeat(2,1fr)}
  .svc-detail{grid-template-columns:1fr}
  .svc-aside{position:static}
  .mega{width:520px}
}
@media(max-width:920px){
  .main-nav{position:fixed;inset:74px 0 auto 0;background:var(--bg);border-bottom:1px solid var(--line);max-height:0;overflow:hidden;transition:max-height var(--t);margin:0;box-shadow:var(--shadow)}
  .main-nav.open{max-height:80vh;overflow-y:auto}
  .nav-list{flex-direction:column;align-items:stretch;padding:14px 24px;gap:.2rem}
  .nav-list>li>a{padding:.85rem .6rem;border-bottom:1px solid var(--line)}
  /* Mobilde mega menu varsayilan KAPALI; Hizmetler'e dokununca acilir (akordeon) */
  .mega{position:static;width:auto;max-width:none;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;padding:0;background:transparent;max-height:0;overflow:hidden;transition:max-height var(--t)}
  .mega-grid{grid-template-columns:1fr}
  .has-mega:hover .mega{transform:none}
  .has-mega.open .mega{max-height:1200px;padding:6px 0 10px}
  .has-mega.open>a i{transform:rotate(180deg)}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .stats{grid-template-columns:repeat(2,1fr)}
  .about-split,.contact-split,.mv-grid{grid-template-columns:1fr}
  .cards-3{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .topbar-left{display:none}
  .section{padding:64px 0}
}
@media(max-width:560px){
  .svc-grid,.proj-grid,.feat-grid,.process,.stats,.form-row,.scope-list,.ref-grid{grid-template-columns:1fr}
  .lb-nav{width:44px;height:44px;font-size:1.1rem}
  .lb-prev{left:8px}.lb-next{right:8px}
  .footer-grid{grid-template-columns:1fr}
  .hero{padding:80px 0 90px}
  .container{padding:0 18px}
}