/* ===========================================================
   Armin Arıtma Sistemleri — Shared stylesheet
   Industrial blueprint aesthetic. Single stylesheet, cached
   across every page for fast multi-page navigation.
=========================================================== */

:root{
  --ink:#10192b;
  --petrol:#17233d;
  --petrol-2:#223354;
  --teal:#5aacdd;
  --teal-dim:#2e7daf;
  --paper:#f5f6f8;
  --paper-dim:#e8edf3;
  --line:rgba(90,172,221,0.25);
  --danger:#e6543b;
  --serif:'Fraunces',serif;
  --mono:'Montserrat',sans-serif;
  --sans:'Public Sans',sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
section{position:relative;}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px;}
::selection{background:var(--teal);color:var(--ink);}
ul{margin:0;padding:0;}
button{font-family:inherit;}

/* ---------- blueprint texture ---------- */
.grid-bg{
  display:none;
}
.corner-mark{position:absolute;width:22px;height:22px;pointer-events:none;}
.corner-mark::before,.corner-mark::after{content:"";position:absolute;background:var(--teal);}
.corner-mark::before{width:100%;height:2px;top:0;left:0;}
.corner-mark::after{width:2px;height:100%;top:0;left:0;}
.tl{top:24px;left:24px;} .tr{top:24px;right:24px;transform:scaleX(-1);}
.bl{bottom:24px;left:24px;transform:scaleY(-1);} .br{bottom:24px;right:24px;transform:scale(-1,-1);}

/* ---------- header / nav ---------- */
header{
  position:sticky;top:0;z-index:200;
  background:rgba(255,255,255,0.96);backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(16,25,43,0.08);
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 32px;max-width:1180px;margin:0 auto;gap:20px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand img{height:auto;width:168px;display:block;}

nav.links{display:flex;gap:24px;align-items:center;}
nav.links > a, nav.links .has-drop > a{
  font-family:var(--mono);font-size:0.8rem;letter-spacing:0.05em;text-transform:uppercase;
  color:var(--petrol-2);font-weight:500;position:relative;padding:8px 0;white-space:nowrap;
}
nav.links > a::after, nav.links .has-drop > a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--ink);transition:width .25s ease;}
nav.links > a:hover::after, nav.links > a.active::after, nav.links .has-drop > a:hover::after{width:100%;}
nav.links > a.active{color:var(--ink);}

.has-drop{position:relative;display:flex;align-items:center;}
.drop-toggle{display:none;}
.dropdown{
  position:absolute;top:100%;left:50%;transform:translateX(-50%);
  background:var(--petrol);color:var(--paper);width:520px;
  padding:14px;border-radius:6px;box-shadow:0 30px 60px -20px rgba(0,0,0,0.4);
  display:grid;grid-template-columns:1fr 1fr;gap:2px;
  opacity:0;visibility:hidden;translate:0 6px;transition:.18s ease;
}
.has-drop:hover .dropdown, .has-drop:focus-within .dropdown{opacity:1;visibility:visible;translate:0 0;}
.dropdown a{
  display:block;padding:9px 12px;border-radius:4px;font-family:var(--sans);
  font-size:0.82rem;color:rgba(244,241,232,0.82);
}
.dropdown a:hover{background:var(--petrol-2);color:var(--teal);}
.dropdown a.all{grid-column:1/-1;border-top:1px solid rgba(244,241,232,0.15);margin-top:4px;padding-top:12px;
  font-family:var(--mono);font-size:0.68rem;text-transform:uppercase;letter-spacing:0.05em;color:var(--teal);}

.nav-cta{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.btn{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:0.7rem;
  letter-spacing:0.05em;text-transform:uppercase;font-weight:600;padding:12px 20px;border-radius:3px;
  border:1px solid var(--ink);transition:all .25s ease;white-space:nowrap;cursor:pointer;
}
.btn-solid{background:var(--ink);color:var(--paper);}
.btn-solid:hover{background:var(--teal-dim);border-color:var(--teal-dim);color:var(--ink);}
.btn-ghost{border-color:rgba(10,31,34,0.3);}
.btn-ghost:hover{border-color:var(--ink);}
.btn-light{background:var(--teal);color:var(--ink);border-color:var(--teal);}
.btn-light:hover{background:var(--paper);border-color:var(--paper);}
.btn-outline-light{border-color:rgba(244,241,232,0.4);color:var(--paper);}
.btn-outline-light:hover{border-color:var(--paper);}
.btn-whatsapp{background:#1f9b6f;color:var(--paper);border-color:#1f9b6f;}
.btn-whatsapp:hover{background:#177d59;border-color:#177d59;}
.btn-wide{width:100%;justify-content:center;}

.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:6px;}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;transition:.3s;}

/* ---------- breadcrumb ---------- */
.breadcrumb{padding:18px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;font-family:var(--mono);font-size:0.68rem;letter-spacing:0.04em;text-transform:uppercase;color:rgba(10,31,34,0.5);}
.breadcrumb a:hover{color:var(--teal-dim);}
.breadcrumb li:not(:last-child)::after{content:"/";margin-left:8px;color:rgba(10,31,34,0.3);}
.light-section .breadcrumb ol{color:rgba(244,241,232,0.55);}
.light-section .breadcrumb a:hover{color:var(--teal);}

/* ---------- hero (page header) ---------- */
.hero{background:var(--petrol);color:var(--paper);overflow:hidden;padding:90px 0 80px;}
.hero.hero-tall{padding:120px 0 100px;}
.hero .wrap{position:relative;z-index:2;}
.eyebrow{font-family:var(--mono);font-size:0.72rem;letter-spacing:0.18em;text-transform:uppercase;color:var(--teal);display:flex;align-items:center;gap:10px;margin-bottom:24px;}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--teal);}
h1{font-family:var(--serif);font-weight:600;font-size:clamp(2.1rem,4.6vw,4rem);line-height:1.08;letter-spacing:-0.01em;max-width:920px;margin:0 0 22px;}
h1 em{font-style:italic;color:var(--teal);font-weight:500;}
.hero-sub{max-width:600px;font-size:1.05rem;color:rgba(244,241,232,0.78);margin-bottom:36px;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;align-items:center;}
.hero-actions.with-stats{margin-bottom:56px;}

.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid rgba(244,241,232,0.15);padding-top:32px;}
.hero-stats div{padding-right:24px;border-right:1px solid rgba(244,241,232,0.15);}
.hero-stats div:last-child{border-right:none;}
.hero-stats strong{display:block;font-family:var(--serif);font-size:2.2rem;color:var(--teal);font-weight:600;line-height:1;}
.hero-stats span{display:block;margin-top:8px;font-family:var(--mono);font-size:0.65rem;letter-spacing:0.05em;color:rgba(244,241,232,0.6);text-transform:uppercase;}

.drop-svg{position:absolute;right:-60px;top:50%;transform:translateY(-50%);opacity:0.9;z-index:1;width:420px;}
.drop-svg path{stroke:rgba(56,230,197,0.35);}
@keyframes ripple{0%{stroke-dashoffset:0;}100%{stroke-dashoffset:-240;}}
.ripple-line{stroke-dasharray:4 10;animation:ripple 6s linear infinite;}

/* ---------- section heads ---------- */
.section-head{max-width:640px;margin-bottom:52px;}
.section-head .eyebrow{color:var(--teal-dim);}
.section-head h2{font-family:var(--serif);font-weight:600;font-size:clamp(1.7rem,3.2vw,2.5rem);letter-spacing:-0.01em;margin:0 0 14px;color:var(--ink);}
.section-head p{color:rgba(10,31,34,0.65);font-size:1rem;max-width:520px;}
.light-section .section-head h2{color:var(--paper);}
.light-section .section-head p{color:rgba(244,241,232,0.65);}
.center{text-align:center;margin-left:auto;margin-right:auto;}

/* ---------- generic content sections ---------- */
.section{padding:100px 0;}
.section-tight{padding:70px 0;}
.bg-paper{background:var(--paper);}
.bg-paper-dim{background:var(--paper-dim);}
.bg-petrol{background:var(--petrol);color:var(--paper);}

.prose{max-width:760px;}
.prose p{color:rgba(10,31,34,0.72);margin:0 0 18px;font-size:1.02rem;}
.light-section .prose p{color:rgba(244,241,232,0.75);}
.prose h3{font-family:var(--serif);font-weight:600;font-size:1.3rem;margin:32px 0 12px;}
.prose .lead{font-size:1.15rem;color:var(--ink);font-weight:500;}
.light-section .prose .lead{color:var(--paper);}

.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:10px 28px;margin-top:8px;}
.feature-list li{
  list-style:none;font-size:0.92rem;padding:12px 0;border-bottom:1px solid rgba(10,31,34,0.08);
  display:flex;gap:10px;color:rgba(10,31,34,0.75);
}
.light-section .feature-list li{border-bottom-color:rgba(244,241,232,0.15);color:rgba(244,241,232,0.8);}
.feature-list li::before{content:"";width:6px;height:6px;background:var(--teal-dim);border-radius:50%;flex-shrink:0;margin-top:7px;}

.sector-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 24px;margin-top:8px;}
.sector-list li{list-style:none;font-family:var(--mono);font-size:0.82rem;padding:10px 0;border-bottom:1px solid rgba(10,31,34,0.08);display:flex;align-items:center;gap:10px;}
.sector-list li::before{content:"";width:6px;height:6px;background:var(--teal-dim);border-radius:50%;flex-shrink:0;}

/* ---------- tabs (hakkimizda) ---------- */
.tabs{display:flex;gap:6px;margin-bottom:26px;border-bottom:1px solid rgba(10,31,34,0.1);}
.tab-btn{font-family:var(--mono);font-size:0.7rem;letter-spacing:0.05em;text-transform:uppercase;font-weight:600;padding:12px 16px 14px;background:none;border:none;cursor:pointer;color:rgba(10,31,34,0.45);border-bottom:2px solid transparent;margin-bottom:-1px;transition:.2s;}
.tab-btn.active{color:var(--ink);border-bottom-color:var(--teal-dim);}
.tab-panel{display:none;animation:fadein .35s ease;}
.tab-panel.active{display:block;}
@keyframes fadein{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:translateY(0);}}

/* ---------- cards ---------- */
.card-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(10,31,34,0.08);border:1px solid rgba(10,31,34,0.08);}
.light-section .card-grid-3{background:rgba(244,241,232,0.12);border-color:rgba(244,241,232,0.12);}
.svc-card{background:var(--paper);padding:34px 30px;transition:background .3s ease;}
.light-section .svc-card{background:var(--petrol);}
.svc-card:hover{background:var(--paper-dim);}
.light-section .svc-card:hover{background:var(--petrol-2);}
.svc-num{font-family:var(--mono);font-size:0.68rem;color:var(--teal-dim);letter-spacing:0.05em;}
.svc-card .icon{width:36px;height:36px;margin:16px 0 18px;color:var(--teal-dim);}
.light-section .svc-card .icon{color:var(--teal);}
.svc-card h3{font-family:var(--serif);font-size:1.1rem;font-weight:600;margin:0 0 10px;letter-spacing:-0.005em;}
.svc-card p{font-size:0.86rem;color:rgba(10,31,34,0.62);margin:0 0 14px;}
.light-section .svc-card p{color:rgba(244,241,232,0.6);}
.svc-card .more{font-family:var(--mono);font-size:0.68rem;letter-spacing:0.05em;text-transform:uppercase;color:var(--teal-dim);}
.light-section .svc-card .more{color:var(--teal);}
.svc-card .more:hover{text-decoration:underline;}

/* ---------- stats band ---------- */
.stats-band{padding:80px 0;background:var(--paper-dim);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:36px;text-align:center;}
.stat-item strong{display:block;font-family:var(--serif);font-weight:600;font-size:2.8rem;color:var(--petrol);line-height:1;}
.stat-item strong sup{font-size:1.5rem;color:var(--teal-dim);}
.stat-item span{display:block;margin-top:10px;font-family:var(--mono);font-size:0.7rem;letter-spacing:0.06em;text-transform:uppercase;color:rgba(10,31,34,0.55);}

/* ---------- why / process ---------- */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;}
.why-card{border-top:2px solid var(--ink);padding-top:20px;}
.light-section .why-card{border-top-color:var(--teal);}
.why-card .idx{font-family:var(--mono);font-size:0.7rem;color:var(--teal-dim);letter-spacing:0.08em;}
.why-card h3{font-family:var(--serif);font-size:1.15rem;margin:12px 0 8px;font-weight:600;}
.why-card p{font-size:0.88rem;color:rgba(10,31,34,0.62);margin:0;}
.light-section .why-card p{color:rgba(244,241,232,0.62);}

/* ---------- CTA band ---------- */
.cta-band{padding:80px 0;background:var(--ink);color:var(--paper);text-align:center;}
.cta-band h2{font-family:var(--serif);font-weight:600;font-size:clamp(1.7rem,3.4vw,2.4rem);margin:0 0 16px;}
.cta-band p{color:rgba(244,241,232,0.68);max-width:520px;margin:0 auto 32px;}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}

/* ---------- homepage hero photo slider ---------- */
.hero-slider{position:absolute;inset:0;z-index:0;}
.hero-slider .slide{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:0;transition:opacity 1.4s ease;
}
.hero-slider .slide.active{opacity:1;}
.hero.has-slider::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(100deg, rgba(10,31,34,0.95) 0%, rgba(13,43,46,0.88) 38%, rgba(13,43,46,0.68) 68%, rgba(13,43,46,0.5) 100%);
}
.hero.has-slider .grid-bg{z-index:1;}
.hero.has-slider .wrap{z-index:2;}
.hero.has-slider .drop-svg{z-index:2;}
.slider-dots{position:absolute;right:32px;bottom:28px;z-index:3;display:flex;gap:8px;}
.slider-dots button{
  width:8px;height:8px;border-radius:50%;border:1px solid rgba(244,241,232,0.5);background:transparent;
  padding:0;cursor:pointer;transition:.2s;
}
.slider-dots button.active{background:var(--teal);border-color:var(--teal);width:22px;border-radius:4px;}
@media (max-width:980px){.slider-dots{display:none;}}

/* ---------- quick overview (3-icon strip under hero) ---------- */
.quick-overview{padding:80px 0 30px;background:var(--paper);}
.quick-overview .section-head{margin-bottom:44px;}
.qo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.qo-card{
  position:relative;overflow:hidden;background:#fff;border-radius:20px;
  padding:42px 32px 36px;border:1px solid rgba(16,25,43,0.06);
  box-shadow:0 1px 2px rgba(16,25,43,0.04);
  transition:transform .3s ease, box-shadow .3s ease;
}
.qo-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--teal),var(--petrol-2));
  opacity:0;transition:opacity .3s ease;
}
.qo-card:hover{transform:translateY(-7px);box-shadow:0 28px 52px rgba(16,25,43,0.14);}
.qo-card:hover::before{opacity:1;}
.qo-num{
  position:absolute;top:26px;right:28px;font-family:var(--serif);font-weight:600;
  font-size:2.75rem;line-height:1;color:rgba(16,25,43,0.055);
}
.qo-icon{
  position:relative;width:60px;height:60px;border-radius:16px;
  background:linear-gradient(135deg,var(--teal),var(--petrol-2));
  display:flex;align-items:center;justify-content:center;margin-bottom:26px;
  box-shadow:0 12px 24px rgba(46,125,175,0.28);
}
.qo-icon svg{width:26px;height:26px;color:#fff;}
.qo-card h3{font-family:var(--serif);font-weight:600;font-size:1.22rem;margin:0 0 20px;color:var(--ink);position:relative;}
.qo-card ul{list-style:none;display:flex;flex-direction:column;gap:12px;position:relative;}
.qo-card ul li{position:relative;padding-left:17px;}
.qo-card ul li::before{
  content:"";position:absolute;left:0;top:0.5em;width:6px;height:6px;
  border-radius:50%;background:var(--teal);
}
.qo-card ul a{font-size:0.92rem;color:rgba(16,25,43,0.68);transition:color .15s;}
.qo-card ul a:hover{color:var(--teal-dim);}

/* ---------- homepage globe/Hakkımızda teaser ---------- */
.globe-teaser{padding:80px 0 110px;background:var(--paper);}
.globe-teaser-grid{display:grid;grid-template-columns:0.85fr 1.15fr;gap:70px;align-items:center;}
.globe-visual{position:relative;display:flex;align-items:center;justify-content:center;}
.globe-visual::before{
  content:"";position:absolute;width:78%;height:78%;border-radius:50%;
  background:radial-gradient(circle,rgba(90,172,221,0.32) 0%,rgba(90,172,221,0.08) 55%,transparent 75%);
  filter:blur(6px);z-index:0;
}
.globe-teaser img{
  position:relative;z-index:1;display:block;width:100%;max-width:420px;height:auto;margin:0 auto;
  filter:drop-shadow(0 30px 50px rgba(16,25,43,0.18));
}
.globe-teaser h2{font-family:var(--serif);font-weight:600;font-size:clamp(1.9rem,3.6vw,2.7rem);line-height:1.15;color:var(--ink);margin:18px 0 22px;}
.globe-teaser h2 em{font-style:normal;color:var(--teal-dim);}
.globe-teaser .prose p{max-width:520px;}

@media (max-width:980px){
  .qo-grid{grid-template-columns:1fr;}
  .globe-teaser-grid{grid-template-columns:1fr;gap:40px;text-align:left;}
  .globe-visual::before{width:60%;height:60%;}
  .globe-teaser img{max-width:260px;}
}

/* ---------- hero with real project photo ---------- */
.hero-media{
  position:relative;background-size:cover;background-position:center;overflow:hidden;background-color:var(--petrol);
}
.hero-media::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg, rgba(10,31,34,0.94) 0%, rgba(13,43,46,0.86) 42%, rgba(13,43,46,0.55) 75%, rgba(13,43,46,0.35) 100%);
  z-index:1;
}
.hero-media .grid-bg{z-index:1;}
.hero-media .wrap{z-index:2;}

/* ---------- video embed (click-to-load facade for speed) ---------- */
.video-block{margin:36px 0 8px;}
.video-facade{
  position:relative;aspect-ratio:16/9;border-radius:8px;overflow:hidden;background:var(--petrol);
  cursor:pointer;background-size:cover;background-position:center;
}
.video-facade::after{content:"";position:absolute;inset:0;background:rgba(10,31,34,0.35);transition:background .2s;}
.video-facade:hover::after{background:rgba(10,31,34,0.18);}
.video-play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:2;
  width:70px;height:70px;border-radius:50%;background:var(--teal);
  display:flex;align-items:center;justify-content:center;box-shadow:0 20px 40px -10px rgba(0,0,0,0.5);
  transition:transform .2s ease;
}
.video-facade:hover .video-play{transform:translate(-50%,-50%) scale(1.08);}
.video-play svg{width:22px;height:22px;margin-left:3px;color:var(--ink);}
.video-caption{
  position:absolute;left:20px;bottom:16px;z-index:2;color:var(--paper);
  font-family:var(--mono);font-size:0.72rem;letter-spacing:0.03em;
}
.video-caption strong{display:block;font-family:var(--sans);font-size:0.95rem;font-weight:600;margin-bottom:2px;}
.video-block iframe{width:100%;aspect-ratio:16/9;border:0;border-radius:8px;display:block;}

/* ---------- photo gallery + lightbox ---------- */
.gallery-block{margin:40px 0 8px;}
.gallery-block h3{font-family:var(--serif);font-weight:600;font-size:1.3rem;margin:0 0 6px;}
.gallery-note{font-size:0.85rem;color:rgba(10,31,34,0.55);margin:0 0 18px;}
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;}
.gallery-grid a{display:block;border-radius:4px;overflow:hidden;aspect-ratio:1/1;background:var(--paper-dim);}
.gallery-grid img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.gallery-grid a:hover img{transform:scale(1.06);}
.gallery-more{
  margin-top:16px;font-family:var(--mono);font-size:0.7rem;letter-spacing:0.05em;text-transform:uppercase;
  color:var(--teal-dim);background:none;border:1px solid rgba(10,31,34,0.2);border-radius:3px;padding:10px 18px;cursor:pointer;
}
.gallery-more:hover{border-color:var(--ink);color:var(--ink);}
.gallery-grid a.gallery-hidden{display:none;}

.lightbox{
  position:fixed;inset:0;z-index:1000;background:rgba(10,31,34,0.94);
  display:none;align-items:center;justify-content:center;padding:40px;
}
.lightbox.open{display:flex;}
.lightbox img{max-width:100%;max-height:100%;border-radius:4px;box-shadow:0 40px 100px -20px rgba(0,0,0,0.6);}
.lightbox-close{
  position:absolute;top:24px;right:28px;color:var(--paper);font-size:1.8rem;line-height:1;background:none;border:none;cursor:pointer;
}

/* ---------- katalog card ---------- */
.catalog-card{
  margin-top:20px;padding-top:20px;border-top:1px solid rgba(10,31,34,0.12);
  display:flex;align-items:center;gap:12px;
}
.catalog-card .file-icon{
  width:34px;height:34px;border-radius:4px;background:var(--danger);color:var(--paper);
  display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:0.6rem;font-weight:700;flex-shrink:0;
}
.catalog-card a{font-size:0.85rem;font-weight:600;}
.catalog-card a:hover{color:var(--teal-dim);}
.catalog-card small{display:block;font-family:var(--mono);font-size:0.68rem;color:rgba(10,31,34,0.5);margin-top:2px;}

/* ---------- related services / sidebar ---------- */
.detail-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:64px;align-items:start;}
.sidebar{position:sticky;top:100px;background:var(--paper-dim);border-radius:6px;padding:28px 26px;}
.sidebar h4{font-family:var(--mono);font-size:0.68rem;letter-spacing:0.06em;text-transform:uppercase;color:var(--teal-dim);margin:0 0 16px;}
.sidebar ul{list-style:none;display:flex;flex-direction:column;gap:2px;}
.sidebar li a{display:block;padding:10px 8px;border-radius:4px;font-size:0.88rem;color:rgba(10,31,34,0.7);border-bottom:1px solid rgba(10,31,34,0.06);}
.sidebar li a:hover, .sidebar li a.active{background:var(--petrol);color:var(--paper);}
.sidebar .sidebar-cta{margin-top:20px;padding-top:20px;border-top:1px solid rgba(10,31,34,0.12);}
.sidebar .sidebar-cta p{font-size:0.85rem;color:rgba(10,31,34,0.6);margin:0 0 14px;}

/* ---------- forms ---------- */
form.quote-form{display:flex;flex-direction:column;gap:16px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-family:var(--mono);font-size:0.66rem;letter-spacing:0.06em;text-transform:uppercase;color:rgba(244,241,232,0.55);}
.bg-paper .field label, .bg-paper-dim .field label{color:rgba(10,31,34,0.55);}
.field input, .field select, .field textarea{
  background:transparent;border:none;border-bottom:1px solid rgba(244,241,232,0.25);color:var(--paper);
  font-family:var(--sans);font-size:0.98rem;padding:10px 2px;outline:none;transition:border-color .2s;
}
.bg-paper .field input, .bg-paper .field select, .bg-paper .field textarea,
.bg-paper-dim .field input, .bg-paper-dim .field select, .bg-paper-dim .field textarea{
  border-bottom-color:rgba(10,31,34,0.2);color:var(--ink);
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--teal-dim);}
.field textarea{resize:vertical;min-height:80px;}
.form-note{font-size:0.78rem;color:rgba(244,241,232,0.5);margin-top:4px;}
.bg-paper .form-note, .bg-paper-dim .form-note{color:rgba(10,31,34,0.45);}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start;}
.contact-info dl{margin:0;}
.contact-info dt{font-family:var(--mono);font-size:0.66rem;letter-spacing:0.08em;text-transform:uppercase;color:var(--teal-dim);margin-top:26px;}
.contact-info dt:first-child{margin-top:0;}
.contact-info dd{margin:8px 0 0;font-size:1.02rem;}
.contact-info a{border-bottom:1px solid rgba(10,31,34,0.2);}
.light-section .contact-info a{border-bottom-color:rgba(244,241,232,0.25);}
.contact-info a:hover{border-color:var(--teal-dim);color:var(--teal-dim);}
.light-section .contact-info a:hover{color:var(--teal);}
.map-frame{border:none;width:100%;height:320px;border-radius:4px;}
.light-section .map-frame{filter:grayscale(1) invert(0.9) contrast(0.85);}

/* ---------- landing page specific ---------- */
.landing-hero{padding:64px 0 60px;}
.trust-row{display:flex;gap:28px;flex-wrap:wrap;margin-top:28px;padding-top:26px;border-top:1px solid rgba(244,241,232,0.15);}
.trust-row div{font-family:var(--mono);font-size:0.7rem;letter-spacing:0.04em;color:rgba(244,241,232,0.7);display:flex;align-items:center;gap:8px;}
.trust-row div::before{content:"✓";color:var(--teal);font-weight:700;}

.landing-form-card{background:var(--paper);border-radius:8px;padding:36px 32px;box-shadow:var(--shadow, 0 30px 80px -40px rgba(0,0,0,0.6));}
.landing-form-card h3{font-family:var(--serif);font-size:1.4rem;margin:0 0 6px;}
.landing-form-card .sub{font-size:0.88rem;color:rgba(10,31,34,0.6);margin:0 0 24px;}
.landing-form-card .field label{color:rgba(10,31,34,0.55);}
.landing-form-card .field input, .landing-form-card .field select, .landing-form-card .field textarea{
  border-bottom-color:rgba(10,31,34,0.2);color:var(--ink);
}

.landing-split{display:grid;grid-template-columns:1.1fr 0.9fr;gap:64px;align-items:start;}

.benefit-row{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:8px;}
.benefit-item{padding:24px 0;border-top:2px solid var(--ink);}
.benefit-item h3{font-family:var(--serif);font-size:1.1rem;margin:14px 0 8px;}
.benefit-item p{font-size:0.88rem;color:rgba(10,31,34,0.62);margin:0;}

.faq-item{border-bottom:1px solid rgba(10,31,34,0.1);padding:22px 0;}
.faq-item h3{font-family:var(--serif);font-size:1.08rem;margin:0 0 10px;font-weight:600;}
.faq-item p{font-size:0.92rem;color:rgba(10,31,34,0.65);margin:0;}

/* ---------- sticky mobile CTA bar ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:300;display:none;
  background:var(--ink);border-top:1px solid rgba(244,241,232,0.15);
  padding:10px 14px;gap:10px;
}
.sticky-cta a{
  flex:1;display:flex;align-items:center;justify-content:center;gap:6px;
  font-family:var(--mono);font-size:0.68rem;letter-spacing:0.03em;text-transform:uppercase;font-weight:600;
  padding:13px 8px;border-radius:4px;color:var(--paper);
}
.sticky-cta a.call{background:var(--teal);color:var(--ink);}
.sticky-cta a.wa{background:#1f9b6f;}
.sticky-cta a.quote{border:1px solid rgba(244,241,232,0.3);}

/* ---------- footer ---------- */
footer{background:var(--ink);color:rgba(244,241,232,0.55);padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(244,241,232,0.1);}
.footer-logo{display:block;width:250px;height:auto;margin:0 0 18px;}
.footer-col h4{font-family:var(--mono);font-size:0.68rem;letter-spacing:0.06em;text-transform:uppercase;color:var(--teal);margin:0 0 18px;}
.footer-col p{font-size:0.85rem;color:rgba(244,241,232,0.55);margin:0 0 12px;max-width:280px;}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:0.85rem;color:rgba(244,241,232,0.6);}
.footer-col a:hover{color:var(--teal);}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;font-family:var(--mono);font-size:0.68rem;letter-spacing:0.03em;padding:26px 0;}
.footer-bottom a:hover{color:var(--teal);}

@media (max-width: 980px){
  nav.links, .nav-cta .btn-ghost{display:none;}
  .menu-toggle{display:block;}
  .hero-stats{grid-template-columns:repeat(2,1fr);row-gap:22px;}
  .hero-stats div:nth-child(2){border-right:none;}
  .detail-grid, .contact-grid, .landing-split, .about-grid{grid-template-columns:1fr;gap:44px;}
  .sidebar{position:static;}
  .card-grid-3{grid-template-columns:repeat(2,1fr);}
  .stats-grid, .why-grid, .benefit-row{grid-template-columns:repeat(2,1fr);row-gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;row-gap:36px;}
  .drop-svg{display:none;}
  .sticky-cta{display:flex;}
  body{padding-bottom:66px;}
  .feature-list, .sector-list{grid-template-columns:1fr;}
  .gallery-grid{grid-template-columns:repeat(3,1fr);}

  /* mobile "Hizmetler" accordion — replaces the desktop hover dropdown */
  .has-drop{
    position:static;width:100%;flex-wrap:wrap;justify-content:space-between;
    border-bottom:1px solid rgba(16,25,43,0.08);padding-bottom:14px;
  }
  .has-drop > a{border-bottom:none;padding-right:8px;}
  .has-drop > a::after{display:none;}
  .drop-toggle{
    display:flex;align-items:center;justify-content:center;flex-shrink:0;
    width:30px;height:30px;border:1px solid rgba(16,25,43,0.25);border-radius:6px;
    background:none;color:var(--ink);font-size:1.2rem;line-height:1;cursor:pointer;
    transition:transform .2s ease,background .2s ease;
  }
  .has-drop.open .drop-toggle{transform:rotate(45deg);background:rgba(16,25,43,0.06);}
  .dropdown{
    position:static !important;transform:none !important;
    opacity:1 !important;visibility:visible !important;
    display:none;width:100%;min-width:0;grid-template-columns:1fr;gap:2px;
    background:transparent;box-shadow:none;padding:6px 0 0;margin-top:10px;
  }
  .has-drop.open .dropdown{display:grid;}
  .dropdown a{color:var(--petrol-2);padding:9px 4px;}
  .dropdown a:hover{background:rgba(16,25,43,0.06);color:var(--ink);}
  .dropdown a.all{border-top:1px solid rgba(16,25,43,0.1);color:var(--teal-dim);margin-top:4px;padding-top:12px;}
}
@media (max-width: 560px){
  .card-grid-3, .stats-grid, .why-grid, .benefit-row, .footer-grid{grid-template-columns:1fr;}
  .gallery-grid{grid-template-columns:repeat(2,1fr);}
}

/* generic about layout reused on hakkimizda */
.about-grid{display:grid;grid-template-columns:0.9fr 1.1fr;gap:70px;align-items:start;}
.about-visual{position:relative;background:var(--petrol);border-radius:6px;padding:40px 34px;color:var(--paper);min-height:380px;display:flex;flex-direction:column;justify-content:space-between;}
.about-visual .quote{font-family:var(--serif);font-style:italic;font-size:1.3rem;line-height:1.4;color:var(--teal);}
.about-visual .sig{font-family:var(--mono);font-size:0.68rem;letter-spacing:0.08em;text-transform:uppercase;color:rgba(244,241,232,0.6);margin-top:22px;}

/* homepage variant: tighter grid + quote vertically centered in its frame + photo backdrop */
.about-grid.about-grid-home{gap:48px;align-items:center;}
.about-grid-home .eyebrow{margin-bottom:14px;}
.about-grid-home .prose p{margin-bottom:12px;}
.about-visual.has-photo{
  min-height:300px;justify-content:center;align-items:center;text-align:center;gap:14px;
  background-image:linear-gradient(160deg, rgba(16,25,43,0.92), rgba(16,25,43,0.86)), url('assets/images/slider-2.jpg');
  background-size:cover;background-position:center;
}
.about-visual.has-photo .sig{margin-top:0;}

@media (max-width: 980px){
  .about-grid{grid-template-columns:1fr;gap:36px;}
  .about-visual{min-height:0;}
}

/* ---------- floating WhatsApp button (fixed, bottom-left, all pages) ---------- */
.wa-float{
  position:fixed;left:24px;bottom:24px;z-index:290;
  width:58px;height:58px;border-radius:50%;background:#25D366;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 26px rgba(37,211,102,0.45),0 2px 8px rgba(16,25,43,0.18);
  transition:transform .2s ease, box-shadow .2s ease;
}
.wa-float svg{width:30px;height:30px;color:#fff;}
.wa-float::after{
  content:"";position:absolute;inset:0;border-radius:50%;
  box-shadow:0 0 0 0 rgba(37,211,102,0.55);
  animation:wa-pulse 2.6s ease-out infinite;
}
.wa-float:hover{transform:scale(1.08);box-shadow:0 14px 32px rgba(37,211,102,0.55),0 2px 8px rgba(16,25,43,0.2);}
@keyframes wa-pulse{
  0%{box-shadow:0 0 0 0 rgba(37,211,102,0.5);}
  70%{box-shadow:0 0 0 14px rgba(37,211,102,0);}
  100%{box-shadow:0 0 0 0 rgba(37,211,102,0);}
}
@media (prefers-reduced-motion: reduce){.wa-float::after{animation:none;}}
@media (max-width:980px){
  .wa-float{left:18px;bottom:92px;width:52px;height:52px;}
  .wa-float svg{width:26px;height:26px;}
}

/* ---------- Bir Tesisin Hikayesi — icon timeline ---------- */
.story-timeline{position:relative;max-width:900px;margin:0 auto;padding:10px 0;}
.story-timeline::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;
  background:linear-gradient(180deg,rgba(90,172,221,0.05),rgba(90,172,221,0.45) 8%,rgba(90,172,221,0.45) 92%,rgba(90,172,221,0.05));
  transform:translateX(-50%);
}
.story-item{position:relative;display:grid;grid-template-columns:1fr 64px 1fr;align-items:start;gap:0;margin-bottom:56px;}
.story-item:last-child{margin-bottom:0;}
.story-icon{
  grid-column:2;justify-self:center;position:relative;z-index:2;
  width:64px;height:64px;border-radius:50%;background:#fff;border:2px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px rgba(16,25,43,0.1);
}
.story-icon svg{width:26px;height:26px;color:var(--teal-dim);}
.story-item .story-content{grid-column:1;text-align:right;padding-right:44px;}
.story-item:nth-child(even) .story-content{grid-column:3;text-align:left;padding-right:0;padding-left:44px;}
.story-num{
  font-family:var(--mono);font-size:0.72rem;letter-spacing:0.14em;color:var(--teal-dim);
  display:block;margin-bottom:8px;
}
.story-content h3{font-family:var(--serif);font-weight:600;font-size:1.2rem;color:var(--ink);margin:0 0 10px;}
.story-content p{color:rgba(16,25,43,0.66);font-size:0.94rem;line-height:1.6;max-width:360px;}
.story-item:nth-child(odd) .story-content p{margin-left:auto;}
.story-item:nth-child(even) .story-content p{margin-right:auto;}

@media (max-width:760px){
  .story-timeline::before{left:26px;}
  .story-item{grid-template-columns:56px 1fr;gap:0;margin-bottom:38px;}
  .story-icon{grid-column:1;width:52px;height:52px;}
  .story-icon svg{width:22px;height:22px;}
  .story-item .story-content,
  .story-item:nth-child(even) .story-content{
    grid-column:2;text-align:left;padding-left:22px;padding-right:0;
  }
  .story-content p,
  .story-item:nth-child(odd) .story-content p,
  .story-item:nth-child(even) .story-content p{max-width:none;margin:0;}
}