/* 
 * CGN Mühendislik WordPress Teması
 * style.css
 */

:root {
  --bg1:    #f0f7fb;
  --bg2:    #e2eff7;
  --accent: #0099aa;
  --accent2:#00bfcf;
  --text1:  #0d2233;
  --text2:  #2c4f6a;
  --text3:  #5a8aaa;
  --border: rgba(0,153,170,.18);
  --shadow: rgba(0,120,150,.12);
}

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

body {
  background: var(--bg1);
  color: var(--text1);
  font-family:'DM Sans',sans-serif;
  font-size:16px; line-height:1.65;
  overflow-x:hidden;
  transition: background .4s, color .4s;
}

/* ───── NAV ───── */
nav.navbar {
  position:fixed; top:0; left:0; right:0; z-index:200;
  background: rgba(240,247,251,.9);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
  transition: background .4s, border-color .4s;
}

.nav-container {
  display:flex; align-items:center; justify-content:space-between;
  padding:1.1rem 5vw;
  max-width:1400px; margin:0 auto;
}

.logo {
  font-family:'Bebas Neue',sans-serif;
  font-size:2rem; letter-spacing:.1em;
  color:var(--accent); text-decoration:none;
  display:flex; align-items:center; gap:.5rem;
}

.logo span { color:var(--text1); }

.logo-icon {
  width:34px; height:34px;
  border:2px solid var(--accent); border-radius:6px;
  display:flex; align-items:center; justify-content:center;
  font-size:1rem;
  cursor:pointer;
  transition: background .2s, border-color .2s;
}

.logo-icon:hover { background: rgba(0,153,170,.1); }
.logo-icon.drag-over { background: rgba(0,153,170,.25); border-color: var(--accent2); }

.logo-icon img { max-width: 100%; max-height: 100%; object-fit: contain; }

.nav-links {
  display:flex; gap:2rem; list-style:none;
}

.nav-links a {
  color:var(--text2); text-decoration:none;
  font-size:.85rem; font-weight:600;
  letter-spacing:.07em; text-transform:uppercase;
  transition:color .2s;
}

.nav-links a:hover { color:var(--accent); }

/* WordPress menu items */
.nav-links .menu-item > a {
  position: relative;
  padding-bottom: 4px;
}

.nav-links .menu-item > a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width .3s ease;
}

.nav-links .menu-item > a:hover::after {
  width: 100%;
}

/* ───── HERO ───── */
#hero {
  min-height:100vh;
  display:flex; align-items:center;
  padding:8rem 5vw 5rem;
  position:relative; overflow:hidden;
  background: linear-gradient(145deg, var(--bg1) 55%, var(--bg2) 100%);
  margin-top: 60px;
}

.hero-bg {
  position:absolute; inset:0; z-index:0;
  background: radial-gradient(ellipse 55% 60% at 72% 50%, rgba(0,153,170,.10) 0%, transparent 70%);
}

.rings {
  position:absolute; right:-4%; top:50%; transform:translateY(-50%);
  width:560px; height:560px; z-index:0;
}

.ring {
  position:absolute; border-radius:50%;
  border:1px solid var(--border);
  top:50%; left:50%; transform:translate(-50%,-50%);
  animation:pulse 4s ease-in-out infinite;
}

.ring:nth-child(1){width:140px;height:140px;animation-delay:0s;border-color:rgba(0,153,170,.45);}
.ring:nth-child(2){width:260px;height:260px;animation-delay:.6s;}
.ring:nth-child(3){width:380px;height:380px;animation-delay:1.2s;}
.ring:nth-child(4){width:500px;height:500px;animation-delay:1.8s;}
.ring:nth-child(5){width:620px;height:620px;animation-delay:2.4s;}

@keyframes pulse{
  0%,100%{opacity:.2;transform:translate(-50%,-50%) scale(1);}
  50%{opacity:.55;transform:translate(-50%,-50%) scale(1.03);}
}

.hero-content { position:relative; z-index:1; max-width:640px; }

.hero-tag {
  display:inline-flex; align-items:center; gap:.6rem;
  background:rgba(0,153,170,.10);
  border:1px solid rgba(0,153,170,.3);
  border-radius:100px; padding:.32rem .9rem;
  font-family:'Space Mono',monospace; font-size:.7rem;
  color:var(--accent); letter-spacing:.1em;
  margin-bottom:1.6rem;
  animation:fadeUp .8s ease both;
}

.hero-tag::before{content:'●';font-size:.5rem;animation:blink 1.5s step-end infinite;}

@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}

h1 {
  font-family:'Bebas Neue',sans-serif;
  font-size:clamp(3rem,7vw,5.8rem);
  line-height:1; letter-spacing:.04em; color:var(--text1);
  animation:fadeUp .9s .1s ease both;
}

h1 em { color:var(--accent); font-style:normal; }

.hero-sub {
  margin-top:1.3rem; font-size:1.05rem;
  color:var(--text2); font-weight:300; max-width:510px;
  animation:fadeUp .9s .2s ease both;
}

.hero-actions {
  margin-top:2.2rem; display:flex; gap:1rem; flex-wrap:wrap;
  animation:fadeUp .9s .3s ease both;
}

.btn-primary {
  background:var(--accent); color:#fff;
  font-weight:700; font-size:.88rem; letter-spacing:.06em;
  text-transform:uppercase; padding:.85rem 1.9rem;
  border-radius:4px; text-decoration:none; border:none; cursor:pointer;
  transition:background .25s, transform .2s, box-shadow .25s;
  box-shadow:0 4px 22px var(--shadow);
}

.btn-primary:hover{background:var(--accent2);transform:translateY(-2px);}

.btn-outline {
  background:transparent; color:var(--text2);
  font-weight:600; font-size:.88rem; letter-spacing:.06em;
  text-transform:uppercase; padding:.85rem 1.9rem;
  border-radius:4px; text-decoration:none;
  border:1.5px solid var(--border);
  transition:border-color .25s, color .25s;
}

.btn-outline:hover{border-color:var(--accent);color:var(--accent);}

.hero-stats {
  margin-top:4rem; display:flex; gap:3rem; flex-wrap:wrap;
  animation:fadeUp .9s .4s ease both;
}

.stat-num {
  font-family:'Bebas Neue',sans-serif; font-size:2.5rem;
  color:var(--accent); line-height:1;
}

.stat-label{font-size:.75rem;color:var(--text3);text-transform:uppercase;letter-spacing:.08em;margin-top:.2rem;}

@keyframes fadeUp{from{opacity:0;transform:translateY(26px);}to{opacity:1;transform:none;}}

/* ───── SECTIONS ───── */
section { padding:5.5rem 5vw; }

.section-tag{
  font-family:'Space Mono',monospace; font-size:.68rem;
  letter-spacing:.15em; text-transform:uppercase;
  color:var(--accent); margin-bottom:.7rem;
}

h2{
  font-family:'Bebas Neue',sans-serif;
  font-size:clamp(2rem,4vw,3.2rem);
  letter-spacing:.04em; line-height:1.05; color:var(--text1);
}

h2 em{color:var(--accent);font-style:normal;}

.section-intro{color:var(--text2);font-weight:300;max-width:540px;margin-top:.9rem;font-size:1rem;}

.divider{width:100%;height:1px;background:var(--border);}

/* ───── HİZMETLER ───── */
#hizmetler{background:var(--bg2);}

.services-header{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:1.5rem;margin-bottom:3rem;}

.services-grid{
  display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:1px; background:var(--border);
  border:1px solid var(--border); border-radius:8px; overflow:hidden;
}

.service-card{
  background:var(--bg2); padding:2.2rem 1.8rem;
  position:relative; overflow:hidden;
  transition:background .3s; cursor:default;
}

.service-card::before{
  content:''; position:absolute; top:0;left:0;right:0;height:3px;
  background:var(--accent);
  transform:scaleX(0);transform-origin:left;
  transition:transform .35s ease;
}

.service-card:hover{background:var(--bg1);}
.service-card:hover::before{transform:scaleX(1);}

.service-icon{font-size:2rem;margin-bottom:1rem;display:block;transition:transform .3s;}
.service-card:hover .service-icon{transform:scale(1.1);}

.service-title{
  font-family:'Bebas Neue',sans-serif; font-size:1.4rem;
  letter-spacing:.05em; color:var(--text1); margin-bottom:.5rem;
}

.service-desc{font-size:.87rem;color:var(--text3);line-height:1.6;}

.service-num{
  position:absolute;bottom:1rem;right:1.2rem;
  font-family:'Space Mono',monospace; font-size:.6rem;
  color:var(--accent); opacity:.3; letter-spacing:.1em;
}

/* ───── NEDEN BİZ ───── */
#neden{background:var(--bg1);}

.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:5rem;align-items:center;margin-top:3rem;}

.why-visual{
  position:relative; height:440px;
  border:1px solid var(--border); border-radius:10px;
  overflow:hidden; background:var(--bg2);
  box-shadow:0 8px 40px var(--shadow);
}

.why-visual-inner{
  position:absolute;inset:0;
  background:radial-gradient(ellipse at 50% 55%,rgba(0,153,170,.1),transparent 70%);
  display:flex;align-items:center;justify-content:center;
  flex-direction:column;gap:2rem;
}

.water-drop-anim{
  width:110px;height:110px;
  border-radius:50% 50% 50% 50%/60% 60% 40% 40%;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  animation:dropPulse 3s ease-in-out infinite;
  box-shadow:0 0 50px var(--shadow);
  display:flex;align-items:center;justify-content:center;font-size:2.8rem;
}

@keyframes dropPulse{0%,100%{transform:scale(1) translateY(0);}50%{transform:scale(1.06) translateY(-5px);}}

.why-metrics{display:flex;flex-direction:column;gap:1.4rem;width:70%;}

.metric-bar{display:flex;flex-direction:column;gap:.35rem;}

.metric-label{display:flex;justify-content:space-between;font-size:.78rem;color:var(--text2);}

.bar-track{height:5px;background:var(--border);border-radius:3px;}

.bar-fill{
  height:100%;border-radius:3px;
  background:linear-gradient(90deg,var(--accent),var(--accent2));
  animation:barGrow 1.5s ease both;
}

@keyframes barGrow{from{width:0}}

.why-points{display:flex;flex-direction:column;gap:1.5rem;}

.why-point{display:flex;gap:1.1rem;align-items:flex-start;}

.why-point-icon{
  width:42px;height:42px;border-radius:8px;
  background:rgba(0,153,170,.1);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;font-size:1.15rem;flex-shrink:0;
}

.why-point-text h4{font-weight:600;font-size:.93rem;color:var(--text1);margin-bottom:.2rem;}
.why-point-text p{font-size:.83rem;color:var(--text3);}

/* ───── SÜREÇ ───── */
#surec{background:var(--bg2);}

.process-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));
  gap:0;margin-top:3.5rem;position:relative;
}

.process-grid::after{
  content:'';position:absolute;top:2.6rem;left:10%;right:10%;height:1px;
  background:var(--border);
}

.process-step{padding:1.8rem 1.4rem;position:relative;z-index:1;}

.step-num{
  font-family:'Bebas Neue',sans-serif;font-size:3.2rem;
  color:var(--accent);opacity:.18;line-height:1;margin-bottom:.2rem;
}

.step-dot{
  width:13px;height:13px;border-radius:50%;
  background:var(--accent);margin-bottom:.9rem;
  box-shadow:0 0 10px var(--shadow);
}

.step-title{font-weight:700;font-size:.92rem;color:var(--text1);margin-bottom:.45rem;}
.step-desc{font-size:.82rem;color:var(--text3);}

/* ───── PROJELER ───── */
#projeler{background:var(--bg1);}

.projects-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:3rem;}

.project-card{
  border:1px solid var(--border);border-radius:8px;
  overflow:hidden;background:var(--bg2);
  transition:border-color .3s,transform .3s,box-shadow .3s;
}

.project-card:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:0 8px 30px var(--shadow);}

.project-thumb{
  height:150px;display:flex;align-items:center;justify-content:center;
  font-size:3.2rem;position:relative;overflow:hidden;
}

.project-thumb::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,var(--bg2) 100%);}

.thumb-bg-1{background:linear-gradient(135deg,#b8d8ea,#d0eaf5);}
.thumb-bg-2{background:linear-gradient(135deg,#aed6e8,#c5e4f2);}
.thumb-bg-3{background:linear-gradient(135deg,#bddcea,#d5eef7);}
.thumb-bg-4{background:linear-gradient(135deg,#b5dce6,#cceaf4);}
.thumb-bg-5{background:linear-gradient(135deg,#b0d8e8,#c8e5f3);}
.thumb-bg-6{background:linear-gradient(135deg,#a8d4e4,#c0e0f0);}

.project-body{padding:1.3rem;}

.project-tag{
  font-family:'Space Mono',monospace;font-size:.6rem;
  color:var(--accent);letter-spacing:.12em;text-transform:uppercase;margin-bottom:.45rem;
}

.project-name{font-weight:600;font-size:.9rem;color:var(--text1);}

/* ───── İLETİŞİM ───── */
#iletisim{background:var(--bg2);}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:5rem;margin-top:3rem;align-items:start;}

.contact-info{display:flex;flex-direction:column;gap:1.8rem;}

.contact-item{display:flex;gap:1.1rem;align-items:flex-start;}

.contact-icon{
  width:44px;height:44px;border-radius:8px;
  background:rgba(0,153,170,.1);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0;
}

.contact-item h4{font-weight:600;font-size:.86rem;color:var(--accent);margin-bottom:.2rem;}
.contact-item p,.contact-item a{font-size:.88rem;color:var(--text2);text-decoration:none;}
.contact-item a:hover{color:var(--accent);}

.contact-form{display:flex;flex-direction:column;gap:.9rem;}

.form-row{display:grid;grid-template-columns:1fr 1fr;gap:.9rem;}

.field{display:flex;flex-direction:column;gap:.35rem;}

.field label{font-size:.75rem;color:var(--text3);text-transform:uppercase;letter-spacing:.08em;}

.field input,.field textarea,.field select{
  background:var(--bg1);border:1.5px solid var(--border);
  border-radius:4px;color:var(--text1);
  font-family:'DM Sans',sans-serif;font-size:.9rem;
  padding:.75rem .95rem;outline:none;
  transition:border-color .25s,box-shadow .25s;resize:none;
}

.field input:focus,.field textarea:focus,.field select:focus{
  border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,153,170,.12);
}

.field textarea{min-height:120px;}

.form-submit{
  background:var(--accent);color:#fff;
  font-weight:700;font-size:.88rem;letter-spacing:.08em;text-transform:uppercase;
  padding:.95rem;border:none;border-radius:4px;cursor:pointer;
  transition:background .25s,box-shadow .25s;
  box-shadow:0 4px 18px var(--shadow);margin-top:.3rem;
}

.form-submit:hover{background:var(--accent2);}

/* ───── FOOTER ───── */
footer.footer {
  background:var(--bg1);border-top:1px solid var(--border);
  padding:2.5rem 5vw;
}

.footer-content {
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1.2rem;
  max-width:1400px; margin:0 auto;
}

.footer-logo{font-family:'Bebas Neue',sans-serif;font-size:1.55rem;color:var(--accent);letter-spacing:.1em;}
.footer-copy{font-size:.78rem;color:var(--text3);}
.footer-links{display:flex;gap:1.4rem;}
.footer-links a{color:var(--text3);text-decoration:none;font-size:.8rem;transition:color .2s;}
.footer-links a:hover{color:var(--accent);}

/* ───── SCROLL REVEAL ───── */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s ease;}
.reveal.visible{opacity:1;transform:none;}

/* ───── RENK PANELİ ───── */
#color-panel {
  position:fixed; bottom:1.5rem; right:1.5rem; z-index:9000;
  display:flex; flex-direction:column; align-items:flex-end; gap:.6rem;
}

#panel-toggle {
  width:50px; height:50px; border-radius:50%;
  background:var(--accent); color:#fff;
  border:none; cursor:pointer; font-size:1.3rem;
  box-shadow:0 4px 18px var(--shadow);
  display:flex;align-items:center;justify-content:center;
  transition:background .25s, transform .2s;
}

#panel-toggle:hover{transform:scale(1.08); background:var(--accent2);}

#panel-box {
  background:var(--bg1);
  border:1px solid var(--border); border-radius:14px;
  padding:1.3rem 1.4rem; width:248px;
  box-shadow:0 10px 40px var(--shadow);
  display:none; flex-direction:column; gap:1rem;
}

#panel-box.open{display:flex; animation:fadeUp .22s ease;}

.panel-title {
  font-family:'Bebas Neue',sans-serif; font-size:1.15rem;
  letter-spacing:.08em; color:var(--text1);
  border-bottom:1px solid var(--border); padding-bottom:.6rem;
}

.panel-row{display:flex;align-items:center;justify-content:space-between;gap:.5rem;}
.panel-row label{font-size:.76rem;color:var(--text2);font-weight:600;}
.panel-row input[type=color]{
  width:38px;height:28px;border:1.5px solid var(--border);border-radius:4px;
  cursor:pointer;padding:1px;background:transparent;
}

.panel-sep{height:1px;background:var(--border);}

.panel-label-sub{font-size:.68rem;color:var(--text3);letter-spacing:.06em;text-transform:uppercase;font-family:'Space Mono',monospace;}

.preset-row{display:flex;gap:.4rem;flex-wrap:wrap;}

.preset-btn{
  border:1.5px solid var(--border); border-radius:6px;
  padding:.28rem .62rem; cursor:pointer;
  font-size:.7rem; font-weight:600;
  background:var(--bg2); color:var(--text2);
  transition:border-color .2s, background .2s;
}

.preset-btn:hover{border-color:var(--accent); color:var(--accent);}

/* ───── RESPONSIVE ───── */
@media(max-width:900px){
  .why-grid,.contact-grid{grid-template-columns:1fr;}
  .projects-grid{grid-template-columns:repeat(2,1fr);}
  .process-grid::after{display:none;}
  .rings{display:none;}
  .nav-links{display:none;}
}

@media(max-width:560px){
  .projects-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .hero-stats{gap:1.6rem;}
  nav.navbar { padding: 0.8rem 4vw; }
  .logo { font-size: 1.5rem; }
  #hero { padding: 7rem 4vw 4rem; margin-top: 55px; }
}