/* =========================================================
   GRN TELEKOM — kurumsal açık tema (2026-08)
   Marka: logo mavisi #1272bd + logo yeşili #8dc63f korunur.
   ========================================================= */
:root{
  --brand:#1272bd; --brand-hi:#2b9bf0; --brand-deep:#0a3f74; --navy:#0e2a47;
  --lime:#8dc63f; --lime-deep:#6ea82b;
  --bg:#ffffff; --bg-soft:#f4f7fb; --bg-navy:#0b2038;
  --line:#dfe7f0; --line-strong:#c6d4e2;
  --ink:#182c42; --muted:#51677e; --dim:#7d90a5;
  --grad-accent:linear-gradient(135deg,#1272bd,#2b9bf0);
  --ease:cubic-bezier(.22,.61,.36,1);
  --radius:14px;
  --shadow-sm:0 1px 3px rgba(14,42,71,.08), 0 4px 14px rgba(14,42,71,.06);
  --shadow-md:0 6px 24px rgba(14,42,71,.10);
  --shadow-lg:0 18px 44px rgba(14,42,71,.14);
}

*{ margin:0; padding:0; box-sizing:border-box;
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif; }
html,body{ width:100%; min-height:100%; overflow-x:hidden; background:var(--bg); color:var(--ink);
  -webkit-font-smoothing:antialiased; }
body{ display:flex; flex-direction:column; min-height:100vh; line-height:1.6; }
a{ color:inherit; }
img{ max-width:100%; }
::selection{ background:rgba(18,114,189,.18); }

h1,h2,h3{ font-family:"Space Grotesk","Inter",-apple-system,sans-serif; color:var(--navy); }

.container{ max-width:1160px; margin:0 auto; padding:0 22px; width:100%; }
main{ flex:1; width:100%; }

/* =========================================================
   HEADER
   ========================================================= */
header{
  position:sticky; top:0; z-index:1000; width:100%;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(12px); backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 10px rgba(14,42,71,.05);
}
.nav-container{ max-width:1160px; margin:0 auto; padding:12px 22px;
  display:flex; justify-content:space-between; align-items:center; gap:16px; }
.logo{ text-decoration:none; display:flex; align-items:center; gap:11px; }
.logo img{ width:42px; height:42px; border-radius:50%; display:block; }
.logo span{ color:var(--navy); font-weight:800; font-size:1.06rem; letter-spacing:.4px; white-space:nowrap;
  font-family:"Space Grotesk","Inter",sans-serif; }
.logo span b{ color:var(--brand); }

nav ul{ display:flex; list-style:none; gap:4px; align-items:center; }
nav ul li a{
  color:var(--muted); text-decoration:none; font-size:14px; font-weight:600; letter-spacing:.2px;
  padding:9px 14px; border-radius:9px; transition:.2s var(--ease);
  display:inline-flex; align-items:center; gap:7px;
}
nav ul li a:hover{ background:var(--bg-soft); color:var(--brand-deep); }
nav ul li a.nav-phone{ color:var(--brand-deep); font-weight:700; }
nav ul li a.nav-cta{ background:var(--grad-accent); color:#fff; font-weight:700;
  padding:10px 20px; border-radius:10px; box-shadow:0 4px 14px rgba(18,114,189,.28); }
nav ul li a.nav-cta:hover{ transform:translateY(-1px); box-shadow:0 8px 20px rgba(18,114,189,.35);
  background:var(--grad-accent); color:#fff; }

/* Mobil menü */
.nav-toggle{ display:none; background:none; border:1px solid var(--line-strong); border-radius:9px;
  width:42px; height:40px; cursor:pointer; padding:0; align-items:center; justify-content:center; }
.nav-toggle span{ display:block; width:20px; height:2px; background:var(--navy); border-radius:2px;
  position:relative; transition:.25s; }
.nav-toggle span::before, .nav-toggle span::after{ content:""; position:absolute; left:0; width:20px; height:2px;
  background:var(--navy); border-radius:2px; transition:.25s; }
.nav-toggle span::before{ top:-6px; } .nav-toggle span::after{ top:6px; }
.nav-open .nav-toggle span{ background:transparent; }
.nav-open .nav-toggle span::before{ top:0; transform:rotate(45deg); }
.nav-open .nav-toggle span::after{ top:0; transform:rotate(-45deg); }

/* =========================================================
   HERO
   ========================================================= */
.hero{
  background:
    radial-gradient(50% 80% at 88% 10%, rgba(43,155,240,.08), transparent 60%),
    radial-gradient(40% 60% at 8% 90%, rgba(141,198,63,.06), transparent 60%),
    linear-gradient(180deg, #f7fafd 0%, #eef4fa 100%);
  border-bottom:1px solid var(--line);
}
.hero-inner{ display:flex; align-items:center; gap:56px; padding-top:72px; padding-bottom:72px; }
.hero-text{ flex:1.15; }
.eyebrow{
  display:inline-flex; align-items:center; gap:8px; margin-bottom:18px;
  font-size:12px; font-weight:700; letter-spacing:1.4px; text-transform:uppercase;
  color:var(--brand-deep); background:rgba(18,114,189,.08); border:1px solid rgba(18,114,189,.22);
  padding:7px 15px; border-radius:999px;
}
.eyebrow::before{ content:""; width:7px; height:7px; border-radius:50%; background:var(--lime);
  box-shadow:0 0 0 3px rgba(141,198,63,.2); }
.hero-text h1{ font-size:3rem; line-height:1.1; letter-spacing:-1.2px; margin-bottom:18px; }
.hero-text h1 .grad{ color:var(--brand); }
.hero-text > p{ font-size:1.1rem; color:var(--muted); line-height:1.75; max-width:560px; }

.hero-actions{ margin-top:30px; display:flex; flex-wrap:wrap; gap:12px; align-items:center; }
.cta-btn{
  display:inline-flex; align-items:center; gap:9px; text-decoration:none;
  background:var(--grad-accent); color:#fff; font-weight:700; font-size:.98rem;
  padding:14px 28px; border-radius:11px;
  box-shadow:0 8px 22px rgba(18,114,189,.30);
  transition:transform .18s var(--ease), box-shadow .2s var(--ease);
}
.cta-btn:hover{ transform:translateY(-2px); box-shadow:0 12px 28px rgba(18,114,189,.38); }
.cta-btn.ghost{ background:#fff; color:var(--brand-deep); border:1.5px solid var(--line-strong); box-shadow:var(--shadow-sm); }
.cta-btn.ghost:hover{ border-color:var(--brand); color:var(--brand); box-shadow:var(--shadow-md); }

.hero-visual{ flex:1; display:flex; justify-content:center; }
.hero-visual svg{ width:100%; max-width:380px; }
.net-orb g{ transform-box:view-box; transform-origin:50% 50%; }
.net-orb .o1{ animation:orbSpin 18s linear infinite; }
.net-orb .o2{ animation:orbSpin 34s linear infinite reverse; }
.net-orb .o3{ animation:orbSpin 50s linear infinite; }
.net-orb .pulse{ animation:orbPulse 5s ease-out infinite; }
.net-orb .pz2{ animation-delay:2.5s; }
@keyframes orbSpin{ to{ transform:rotate(360deg) } }
@keyframes orbPulse{ 0%{ transform:scale(.55); opacity:1 } 100%{ transform:scale(2.9); opacity:0 } }

/* =========================================================
   BÖLÜMLER
   ========================================================= */
.section{ padding:76px 0; }
.section.soft{ background:var(--bg-soft); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.section-title{ text-align:center; font-size:2rem; letter-spacing:-.6px; margin-bottom:14px; }
.section-title.left{ text-align:left; }
.section-title::after{
  content:""; display:block; width:56px; height:4px; margin:14px auto 0;
  background:linear-gradient(90deg,var(--brand),var(--lime)); border-radius:4px;
}
.section-title.left::after{ margin-left:0; }
.section-sub{ text-align:center; color:var(--muted); font-size:1rem; max-width:640px; margin:0 auto 44px; }

/* Hakkımızda */
.about-grid{ display:flex; gap:56px; align-items:flex-start; }
.about-text{ flex:1.4; }
.about-text p{ color:var(--muted); font-size:1.03rem; line-height:1.8; margin-bottom:16px; max-width:640px; }
.about-text p strong{ color:var(--navy); }
.about-facts{ flex:1; display:flex; flex-direction:column; gap:16px; }
.fact-card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  padding:20px 22px; display:flex; align-items:center; gap:16px; box-shadow:var(--shadow-sm);
}
.fact-card .fact-icon{
  flex:0 0 auto; width:46px; height:46px; border-radius:12px; display:flex; align-items:center; justify-content:center;
  background:rgba(18,114,189,.08); color:var(--brand);
}
.fact-card .fact-icon svg{ width:22px; height:22px; }
.fact-card h4{ font-size:.98rem; color:var(--navy); font-family:"Inter",sans-serif; font-weight:700; }
.fact-card p{ font-size:.88rem; color:var(--muted); margin-top:2px; }

/* Hizmet kartları */
.services-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(250px,1fr)); gap:22px; }
.service-card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  padding:32px 26px; text-align:left; box-shadow:var(--shadow-sm);
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s;
}
.service-card:hover{ transform:translateY(-5px); border-color:rgba(18,114,189,.35); box-shadow:var(--shadow-lg); }
.service-icon{
  width:56px; height:56px; margin-bottom:20px; border-radius:14px;
  display:flex; align-items:center; justify-content:center; color:#fff;
  background:var(--grad-accent); box-shadow:0 6px 16px rgba(18,114,189,.28);
}
.service-icon svg{ width:26px; height:26px; }
.service-card h3{ font-size:1.12rem; margin-bottom:9px; }
.service-card p{ color:var(--muted); font-size:.94rem; line-height:1.65; }

/* Neden GRN */
.why-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:22px; margin-top:44px; }
.why-item{ text-align:center; padding:10px 18px; }
.why-icon{
  width:60px; height:60px; margin:0 auto 18px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  background:rgba(141,198,63,.12); color:var(--lime-deep); border:1px solid rgba(141,198,63,.3);
}
.why-icon svg{ width:26px; height:26px; }
.why-item h3{ font-size:1.08rem; margin-bottom:8px; }
.why-item p{ color:var(--muted); font-size:.94rem; line-height:1.65; }

/* =========================================================
   YASAL BANT (BTK)
   ========================================================= */
.legal-footer-notice{ background:var(--bg-soft); padding:22px 20px; text-align:center;
  border-top:1px solid var(--line); }
.legal-footer-notice p{ font-size:.95rem; font-weight:600; color:var(--muted); max-width:1000px; margin:0 auto; }

/* =========================================================
   POPUP (BTK bilgilendirme)
   ========================================================= */
#customPopup{ backdrop-filter:blur(6px); -webkit-backdrop-filter:blur(6px);
  background:rgba(10,25,45,.72) !important; }
.popup-box{
  background:#fff; width:90%; max-width:580px; margin:14vh auto;
  border-radius:18px; overflow:hidden; position:relative; box-shadow:0 30px 80px rgba(4,16,32,.45);
  animation:floatUp .35s var(--ease) both;
}
@keyframes floatUp{ from{ opacity:0; transform:translateY(24px) } to{ opacity:1; transform:translateY(0) } }
.popup-accent{ height:5px; background:linear-gradient(90deg,var(--brand),var(--brand-hi),var(--lime)); }
.popup-inner-content{ padding:40px 36px 32px; text-align:center; }
.popup-eyebrow{
  display:inline-flex; align-items:center; gap:8px; margin-bottom:20px;
  font-size:11.5px; font-weight:800; letter-spacing:1.8px; text-transform:uppercase; color:#c0392b;
  background:rgba(192,57,43,.07); border:1px solid rgba(192,57,43,.25); padding:6px 14px; border-radius:999px;
}
.popup-eyebrow::before{ content:""; width:7px; height:7px; border-radius:50%; background:#e74c3c;
  box-shadow:0 0 0 3px rgba(231,76,60,.18); }
.btk-text{ font-size:1.18rem; font-weight:700; color:var(--navy); line-height:1.55; max-width:460px; margin:0 auto; }
.popup-subtext{ display:inline-block; margin-top:14px; color:var(--brand-deep); font-size:.9rem; font-weight:600;
  background:rgba(18,114,189,.07); border:1px solid rgba(18,114,189,.2); padding:7px 15px; border-radius:999px; }
.switch-wrapper{ margin-top:26px; padding-top:22px; border-top:1px solid var(--line); }
.consent-label{ margin-bottom:10px; font-weight:800; font-size:12px; color:var(--muted); letter-spacing:1.4px; }
.popup-external-close{
  position:absolute; top:24px; right:24px; width:44px; height:44px;
  background:#fff; color:var(--navy); border:1px solid var(--line-strong);
  border-radius:50%; display:flex; align-items:center; justify-content:center;
  font-size:28px; cursor:pointer; z-index:10000; box-shadow:0 8px 24px rgba(4,16,32,.35); transition:transform .2s;
}
.popup-external-close:hover{ transform:rotate(90deg) scale(1.05); }

.ios-switch{ width:66px; height:36px; background:#d7e0ea; border-radius:40px; position:relative;
  cursor:pointer; transition:.4s; margin:12px auto 0; border:1px solid var(--line-strong); }
.handle{ width:28px; height:28px; background:#fff; border-radius:50%; position:absolute; top:3px; left:4px;
  transition:.3s cubic-bezier(.3,1.5,.7,1); box-shadow:0 2px 6px rgba(14,42,71,.3); }
.ios-switch.active{ background:var(--lime); }
.ios-switch.active .handle{ transform:translateX(30px); }

/* =========================================================
   FOOTER
   ========================================================= */
footer{ background:var(--bg-navy); color:#c9d8e8; margin-top:auto; }
.footer-content{ max-width:1160px; margin:0 auto; display:flex; justify-content:space-between; gap:48px;
  padding:52px 22px 40px; }
.footer-info{ max-width:400px; }
.footer-info h3{ font-size:20px; margin-bottom:3px; color:#fff; }
.company-sub{ color:#8aa3bd; font-size:12.5px; letter-spacing:.4px; margin-bottom:20px; }
.contact-item{ display:flex; align-items:flex-start; gap:12px; margin-bottom:13px; font-size:14px; color:#b9cadc; }
.contact-item a{ text-decoration:none; }
.contact-item a:hover{ color:#fff; }
.contact-item svg{ flex:0 0 auto; color:var(--brand-hi); margin-top:2px; }
.footer-links{ min-width:150px; }
.footer-links h4{ color:#fff; font-size:14px; letter-spacing:.6px; text-transform:uppercase; margin-bottom:16px; }
.footer-links ul{ list-style:none; }
.footer-links li{ margin-bottom:10px; }
.footer-links a{ color:#b9cadc; text-decoration:none; font-size:14px; transition:.2s; }
.footer-links a:hover{ color:#fff; }
.footer-map{ flex:1; min-width:280px; max-width:400px; }
.footer-map iframe{ border-radius:12px; border:1px solid rgba(255,255,255,.08); }

.map-shell{ position:relative; border-radius:12px; overflow:hidden;
  background:#122c4a; border:1px solid rgba(255,255,255,.08); }
.map-shell::after{
  content:"Harita yükleniyor…"; position:absolute; inset:0;
  display:flex; align-items:center; justify-content:center;
  color:#8aa3bd; font-size:13px; font-weight:600; letter-spacing:.5px;
}
.map-shell iframe{ position:relative; z-index:1; display:block; opacity:0; transition:opacity .6s var(--ease); }
.map-shell.is-loaded iframe{ opacity:1; }
.map-shell.is-loaded::after{ display:none; }
.footer-bottom{ background:rgba(0,0,0,.28); padding:16px 22px; text-align:center; font-size:12.5px; color:#8aa3bd;
  border-top:1px solid rgba(255,255,255,.06); }
.footer-bottom span{ display:inline-block; }

/* =========================================================
   İLETİŞİM SAYFASI
   ========================================================= */
.page-head{ background:linear-gradient(180deg,#f7fafd,#eef4fa); border-bottom:1px solid var(--line);
  padding:52px 0 46px; text-align:center; }
.page-head h1{ font-size:2.2rem; letter-spacing:-.8px; margin-bottom:10px; }
.page-head p{ color:var(--muted); max-width:560px; margin:0 auto; }

.contact-wrapper{ display:flex; gap:32px; align-items:flex-start; padding:60px 0; }
.contact-form-container{ flex:1.5; background:#fff; padding:34px; border-radius:var(--radius);
  border:1px solid var(--line); box-shadow:var(--shadow-sm); }
.contact-form-container h2{ font-size:1.5rem; margin-bottom:8px; }
.contact-form-container > p{ color:var(--muted); margin-bottom:22px; font-size:.97rem; }
.contact-details-container{ flex:1; display:flex; flex-direction:column; gap:20px; }

.form-status-ok{ padding:14px 16px; border-radius:11px; margin-bottom:20px; font-weight:600; font-size:.95rem;
  background:rgba(141,198,63,.12); color:#4e7d1a; border:1px solid rgba(141,198,63,.4); }
.form-status-err{ padding:14px 16px; border-radius:11px; margin-bottom:20px; font-weight:600; font-size:.95rem;
  background:rgba(192,57,43,.08); color:#a83226; border:1px solid rgba(192,57,43,.3); }

.form-group{ margin-bottom:18px; }
.form-group label{ display:block; font-size:13.5px; font-weight:700; margin-bottom:7px; color:var(--navy); }
.form-group input, .form-group textarea{
  width:100%; padding:12px 14px; border:1.5px solid var(--line-strong); border-radius:10px;
  font-size:15px; transition:.2s; background:#fff; color:var(--ink);
}
.form-group input::placeholder, .form-group textarea::placeholder{ color:var(--dim); }
.form-group input:focus, .form-group textarea:focus{
  border-color:var(--brand); outline:none; box-shadow:0 0 0 3px rgba(18,114,189,.14);
}
.send-btn{
  background:var(--grad-accent); color:#fff; border:none; padding:14px 40px; border-radius:11px;
  font-weight:700; font-size:1rem; cursor:pointer; transition:transform .18s var(--ease), box-shadow .2s;
  box-shadow:0 8px 22px rgba(18,114,189,.30);
}
.send-btn:hover{ transform:translateY(-2px); box-shadow:0 12px 28px rgba(18,114,189,.38); }

.legal-card, .info-card{ background:#fff; padding:26px; border-radius:var(--radius);
  border:1px solid var(--line); box-shadow:var(--shadow-sm); }
.legal-card h3, .info-card h3{ font-size:16px; margin-bottom:16px; padding-bottom:8px;
  border-bottom:2px solid var(--brand); display:inline-block; }
.legal-item, .info-item{ font-size:14px; margin-bottom:13px; display:flex; flex-direction:column; }
.info-item{ flex-direction:row; align-items:center; gap:10px; }
.legal-item strong{ color:var(--dim); font-size:11px; text-transform:uppercase; letter-spacing:.5px; }
.legal-item span{ color:var(--navy); font-weight:600; margin-top:3px; }
.info-item span{ color:var(--muted); font-weight:500; }
.info-item i{ flex:0 0 auto; width:8px; height:8px; border-radius:50%; background:var(--brand); }
.map-container .map-shell{ background:#e8eef5; border:1px solid var(--line); }
.map-container .map-shell::after{ color:var(--dim); }
.map-container iframe{ box-shadow:var(--shadow-sm); }

/* =========================================================
   MOBİL
   ========================================================= */
@media (max-width:900px){
  .hero-inner{ flex-direction:column; text-align:center; gap:38px; padding-top:52px; padding-bottom:52px; }
  .hero-text > p{ margin:0 auto; }
  .hero-actions{ justify-content:center; }
  .hero-visual svg{ max-width:230px; }
  .about-grid{ flex-direction:column; gap:36px; }
  .contact-wrapper{ flex-direction:column; }
  .contact-form-container, .contact-details-container{ width:100%; }
  .footer-content{ flex-wrap:wrap; }
}
@media (max-width:768px){
  .nav-container{ padding:10px 16px; }
  .logo img{ width:36px; height:36px; }
  .logo span{ font-size:.95rem; }
  .nav-toggle{ display:flex; }
  nav ul{
    display:none; position:absolute; top:100%; left:0; right:0;
    flex-direction:column; align-items:stretch; gap:2px;
    background:#fff; border-bottom:1px solid var(--line); box-shadow:0 14px 30px rgba(14,42,71,.12);
    padding:10px 16px 16px;
  }
  .nav-open nav ul{ display:flex; }
  nav ul li a{ display:flex; justify-content:center; padding:12px; font-size:15px; }
  nav ul li a.nav-cta{ margin-top:6px; }
  .hero-text h1{ font-size:2.1rem; letter-spacing:-.8px; }
  .section{ padding:56px 0; }
  .section-title{ font-size:1.65rem; }
  .btk-text{ font-size:1.05rem; }
  .popup-external-close{ top:14px; right:14px; width:40px; height:40px; font-size:24px; }
  .popup-inner-content{ padding:32px 22px 26px; }
  .legal-footer-notice p{ font-size:.88rem; }
  .footer-content{ flex-direction:column; text-align:center; gap:32px; }
  .contact-item{ justify-content:center; }
  .footer-links h4{ margin-bottom:12px; }
  .footer-map{ min-width:100%; max-width:100%; }
  .page-head h1{ font-size:1.8rem; }
}

@media (prefers-reduced-motion:reduce){
  *, *::before, *::after{ animation:none !important; transition:none !important; }
}