/* =========================================================================
   AKSU TESİSAT — "MAVİ KOPYA / ENGINEERED" design system
   Aesthetic: technical-blueprint editorial. Warm bone paper, ink, ultramarine
   accent, monospace annotations, sharp corners, hairline rules, hard shadows.
   Fonts: Bricolage Grotesque (display) · Hanken Grotesk (body) · IBM Plex Mono.
   ========================================================================= */
:root{
  /* palette */
  --ink:#0f1822; --ink-2:#16222e; --ink-soft:#33414e;
  --paper:#f4f0e7; --paper-2:#ece5d6; --paper-3:#e3dac6;
  --line:#d6cdb8; --line-ink:#0f1822;
  --accent:#1b34d8;          /* ultramarine / klein */
  --accent-bright:#3a5cff;   /* on dark */
  --aqua:#16c0d8;
  --signal:#ff5b23;          /* rare industrial tick */
  --white:#ffffff;
  --muted:#5e5c52; --muted-ink:#9fb0c0;
  --success:#0f7a4d; --danger:#c8341f;

  --bg:var(--paper); --text:var(--ink);

  /* type */
  --font-display:'Bricolage Grotesque','Hanken Grotesk',sans-serif;
  --font-body:'Hanken Grotesk',-apple-system,Segoe UI,sans-serif;
  --font-mono:'IBM Plex Mono','SFMono-Regular',monospace;

  /* shape */
  --radius:3px; --radius-lg:5px;
  --bw:1.5px;                /* hairline border weight */
  --shadow-hard:6px 6px 0 var(--ink);
  --shadow-hard-accent:7px 7px 0 var(--accent);
  --shadow-soft:0 14px 40px -22px rgba(15,24,34,.45);
  --ring:0 0 0 3px rgba(27,52,216,.35);

  --container:1220px; --gutter:clamp(18px,4.5vw,40px);
  --header-h:74px;
  --graph:rgba(15,24,34,.05);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font-body);color:var(--text);background:var(--paper);
  font-size:17px;line-height:1.6;font-weight:420;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  background-image:
    linear-gradient(var(--graph) 1px,transparent 1px),
    linear-gradient(90deg,var(--graph) 1px,transparent 1px);
  background-size:46px 46px;
}
img,video{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:none;transition:color .18s}
a:hover{color:var(--ink)}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:800;line-height:1.02;color:var(--ink);
  letter-spacing:-.03em;margin:0 0 .5em;font-optical-sizing:auto}
h1{font-size:clamp(2.45rem,6.2vw,5rem)}
h2{font-size:clamp(1.9rem,4.2vw,3.2rem)}
h3{font-size:clamp(1.2rem,2vw,1.55rem);letter-spacing:-.02em}
p{margin:0 0 1rem}
strong{font-weight:700}
ul,ol{margin:0 0 1rem;padding-left:1.2rem}
::selection{background:var(--accent);color:#fff}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:2px}

/* ---------- Layout ---------- */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter)}
.container-narrow{max-width:780px}
.section{padding:clamp(56px,8vw,116px) 0;position:relative}
.section-sm{padding:clamp(40px,5vw,68px) 0}
.section-soft{background:var(--paper-2)}
.section-ink{background:var(--ink);color:#d7e2ec;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:46px 46px}
.section-ink h1,.section-ink h2,.section-ink h3{color:#fff}
.bg-paper{background:var(--paper)}
/* hairline rule that tops most sections for the technical-sheet feel */
.section + .section::before,.section + .section-soft::before,.section-soft + .section::before{content:""}

.grid{display:grid;gap:clamp(16px,2.2vw,26px)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:920px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

/* ---------- Section heading ---------- */
.section-head{max-width:760px;margin:0 auto clamp(36px,5vw,60px);text-align:center}
.section-head.left{margin-inline:0;text-align:left}
.section-head h2{margin-bottom:.35em}
.section-head p{color:var(--muted);font-size:1.1rem;margin-bottom:0;max-width:60ch;margin-inline:auto}
.section-head.left p{margin-inline:0}
.section-ink .section-head p{color:#9fb4c6}

/* blueprint annotation label */
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-family:var(--font-mono);
  font-weight:600;font-size:.74rem;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);
  padding:0 0 0 0;margin-bottom:20px;position:relative}
.eyebrow::before{content:"";width:26px;height:var(--bw);background:var(--accent);display:inline-block}
.eyebrow .icon{width:16px;height:16px;stroke-width:2}
.section-ink .eyebrow{color:var(--aqua)}
.section-ink .eyebrow::before{background:var(--aqua)}

.lead{font-size:1.22rem;color:var(--muted);line-height:1.5}

/* ---------- Buttons ---------- */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--font-mono);font-weight:600;font-size:.82rem;letter-spacing:.04em;text-transform:uppercase;
  line-height:1;cursor:pointer;padding:16px 26px;border:var(--bw) solid var(--ink);border-radius:var(--radius);
  background:var(--paper);color:var(--ink);transition:transform .14s ease,box-shadow .14s ease,background .18s,color .18s}
.btn .icon{width:18px;height:18px;stroke-width:2}
.btn:hover{transform:translate(-2px,-2px);box-shadow:var(--shadow-hard)}
.btn:active{transform:translate(0,0);box-shadow:2px 2px 0 var(--ink)}
.btn-primary{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-primary:hover{box-shadow:6px 6px 0 var(--accent)}
.btn-accent{background:var(--accent);color:#fff;border-color:var(--ink)}
.btn-accent:hover{box-shadow:var(--shadow-hard)}
.btn-whatsapp{background:#1fae54;color:#fff;border-color:var(--ink)}
.btn-whatsapp:hover{box-shadow:var(--shadow-hard)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;box-shadow:6px 6px 0 var(--accent)}
.btn-light{background:#fff;color:var(--ink);border-color:var(--ink)}
.btn-light:hover{box-shadow:6px 6px 0 var(--accent)}
.section-ink .btn-ghost,.hero .btn-light{border-color:#fff}
.section-ink .btn-ghost{color:#fff}
.section-ink .btn-ghost:hover{background:#fff;color:var(--ink);box-shadow:6px 6px 0 var(--accent-bright)}
.btn-block{width:100%}
.btn-lg{padding:19px 34px;font-size:.86rem}
.btn-sm{padding:11px 18px;font-size:.74rem}

/* ---------- Pills / badges ---------- */
.pill{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-weight:600;
  font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;padding:7px 13px;border-radius:var(--radius);
  background:var(--paper-3);color:var(--ink);border:var(--bw) solid var(--ink)}
.pill-accent{background:var(--accent);color:#fff}
.pill-success{background:var(--success);color:#fff}
.pill .icon{width:15px;height:15px}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(244,240,231,.86);
  backdrop-filter:saturate(140%) blur(8px);border-bottom:var(--bw) solid var(--ink);transition:box-shadow .25s}
.site-header.scrolled{box-shadow:0 8px 0 -6px rgba(15,24,34,.25)}
.topbar{background:var(--ink);color:#aebccb;font-family:var(--font-mono);font-size:.74rem;letter-spacing:.02em}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:38px;flex-wrap:wrap}
.topbar a{color:#cdd9e6}.topbar a:hover{color:#fff}
.topbar-info{display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.topbar-info span{display:inline-flex;align-items:center;gap:7px}
.topbar-info .icon{width:15px;height:15px;color:var(--aqua)}
.topbar-social{display:flex;gap:12px}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:var(--header-h)}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--font-display);font-weight:800;
  font-size:1.42rem;color:var(--ink);letter-spacing:-.03em}
.brand:hover{color:var(--ink)}
.brand-mark{width:42px;height:42px;border-radius:var(--radius);display:grid;place-items:center;
  background:var(--accent);color:#fff;border:var(--bw) solid var(--ink)}
.brand-mark .icon{width:23px;height:23px}
.brand strong{color:var(--accent);font-weight:800}
.nav-menu{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.nav-menu a{display:block;padding:9px 14px;border-radius:var(--radius);font-family:var(--font-mono);
  font-weight:500;font-size:.78rem;letter-spacing:.03em;text-transform:uppercase;color:var(--ink-soft);position:relative}
.nav-menu a::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:var(--bw);
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .2s}
.nav-menu a:hover{color:var(--ink)}
.nav-menu a:hover::after,.nav-menu a.active::after{transform:scaleX(1)}
.nav-menu a.active{color:var(--ink)}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;background:none;border:var(--bw) solid var(--ink);border-radius:var(--radius);
  color:var(--ink);cursor:pointer;padding:7px;line-height:0}
.nav-toggle .icon{width:24px;height:24px}
@media(max-width:1020px){.nav-menu,.nav-cta .btn-ghost{display:none}.nav-toggle{display:block}}

/* mobile drawer */
.mobile-nav{position:fixed;inset:0;z-index:200;visibility:hidden;opacity:0;transition:.25s}
.mobile-nav.open{visibility:visible;opacity:1}
.mobile-nav-backdrop{position:absolute;inset:0;background:rgba(15,24,34,.55)}
.mobile-nav-panel{position:absolute;top:0;right:0;height:100%;width:min(88%,360px);background:var(--paper);
  border-left:var(--bw) solid var(--ink);box-shadow:var(--shadow-soft);padding:22px;display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .3s}
.mobile-nav.open .mobile-nav-panel{transform:none}
.mobile-nav-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;
  padding-bottom:16px;border-bottom:var(--bw) solid var(--line)}
.mobile-nav a{display:block;padding:14px 10px;font-family:var(--font-mono);font-size:.84rem;text-transform:uppercase;
  letter-spacing:.04em;font-weight:500;color:var(--ink-soft);border-bottom:var(--bw) solid var(--line)}
.mobile-nav a:hover,.mobile-nav a.active{color:var(--accent)}
.mobile-nav .btn{margin-top:14px}

/* ---------- HERO ---------- */
.hero{position:relative;color:var(--ink);border-bottom:var(--bw) solid var(--ink);overflow:hidden;background:var(--paper)}
.hero::before{content:"";position:absolute;inset:0;background-image:
  linear-gradient(var(--graph) 1px,transparent 1px),linear-gradient(90deg,var(--graph) 1px,transparent 1px);
  background-size:46px 46px;pointer-events:none}
.hero::after{content:"";position:absolute;width:520px;height:520px;right:-160px;top:-160px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,192,216,.22),transparent 65%);pointer-events:none}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;
  gap:clamp(28px,5vw,72px);align-items:center;padding:clamp(52px,8vw,108px) 0}
.hero h1{margin-bottom:22px}
.hero h1 em{font-style:normal;color:var(--accent);position:relative;white-space:nowrap}
.hero-lead{font-size:clamp(1.06rem,1.5vw,1.24rem);color:var(--muted);max-width:54ch;margin-bottom:30px;line-height:1.55}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.hero-trust{display:flex;gap:14px 26px;flex-wrap:wrap;padding-top:26px;border-top:var(--bw) solid var(--line)}
.hero-trust div{display:flex;align-items:center;gap:9px;font-family:var(--font-mono);font-weight:500;
  font-size:.78rem;letter-spacing:.02em;text-transform:uppercase;color:var(--ink-soft)}
.hero-trust .icon{width:19px;height:19px;color:var(--accent)}
.hero-badge{display:inline-flex;align-items:center;gap:10px;background:var(--ink);color:#fff;
  font-family:var(--font-mono);font-weight:500;font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;
  padding:8px 15px;border-radius:var(--radius);margin-bottom:26px;border:var(--bw) solid var(--ink)}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:#34d399;box-shadow:0 0 0 4px rgba(52,211,153,.25);animation:pulse 2s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 8px rgba(52,211,153,0)}}
/* framed hero image with crop-mark corners */
.hero-media{position:relative}
.hero-media img{border:var(--bw) solid var(--ink);border-radius:var(--radius-lg);aspect-ratio:4/3;object-fit:cover;width:100%;
  box-shadow:var(--shadow-hard)}
.hero-media::before,.hero-media::after{content:"";position:absolute;width:18px;height:18px;border:var(--bw) solid var(--accent);z-index:3}
.hero-media::before{top:-9px;left:-9px;border-right:0;border-bottom:0}
.hero-media::after{bottom:-9px;right:-9px;border-left:0;border-top:0}
.hero-media .floating{position:absolute;background:var(--paper);color:var(--ink);border:var(--bw) solid var(--ink);
  border-radius:var(--radius);padding:13px 16px;box-shadow:var(--shadow-hard);display:flex;align-items:center;gap:12px;
  font-family:var(--font-mono);font-weight:600;font-size:1.05rem}
.hero-media .floating .ic{width:40px;height:40px;border-radius:var(--radius);display:grid;place-items:center;
  background:var(--accent);color:#fff}
.hero-media .floating .ic .icon{width:22px;height:22px}
.hero-media .f-1{bottom:20px;left:-22px}
.hero-media .f-2{top:20px;right:-18px;background:var(--ink);color:#fff;border-color:var(--ink)}
.hero-media .f-2 .ic{background:var(--aqua);color:var(--ink)}
.hero-media small{display:block;font-weight:400;color:var(--muted);font-size:.66rem;text-transform:uppercase;letter-spacing:.08em}
.hero-media .f-2 small{color:#9fb4c6}
@media(max-width:940px){
  .hero-inner{grid-template-columns:1fr;text-align:left}
  .hero-media{display:none}
}

/* ---------- Trust bar ---------- */
.trustbar{background:var(--ink);border-bottom:var(--bw) solid var(--ink);color:#fff}
.trustbar .container{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-block:0}
.trustbar .item{display:flex;align-items:center;gap:11px;font-family:var(--font-mono);font-weight:500;
  font-size:.78rem;letter-spacing:.03em;text-transform:uppercase;color:#cdd9e6;padding:18px 4px;flex:1;
  justify-content:center;border-left:var(--bw) solid rgba(255,255,255,.12)}
.trustbar .item:first-child{border-left:0}
.trustbar .icon{width:22px;height:22px;color:var(--aqua)}
@media(max-width:760px){.trustbar .item{flex:1 1 45%;border-left:0;justify-content:flex-start}}

/* ---------- Cards (generic) ---------- */
.card{background:var(--paper);border:var(--bw) solid var(--ink);border-radius:var(--radius);
  transition:transform .16s,box-shadow .16s}
.card:hover{transform:translate(-3px,-3px);box-shadow:var(--shadow-hard)}

/* service card */
.service-card{position:relative;display:flex;flex-direction:column;overflow:hidden;background:var(--paper);
  border:var(--bw) solid var(--ink);border-radius:var(--radius);transition:transform .18s,box-shadow .18s;height:100%}
.service-card:hover{transform:translate(-4px,-4px);box-shadow:var(--shadow-hard-accent)}
.service-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;border-bottom:var(--bw) solid var(--ink)}
.service-card .thumb img{width:100%;height:100%;object-fit:cover;filter:saturate(.96);transition:transform .55s}
.service-card:hover .thumb img{transform:scale(1.06)}
.service-card .ic{position:absolute;left:0;top:0;z-index:2;width:48px;height:48px;display:grid;place-items:center;
  background:var(--accent);color:#fff;border-right:var(--bw) solid var(--ink);border-bottom:var(--bw) solid var(--ink);border-bottom-right-radius:var(--radius)}
.service-card .ic .icon{width:26px;height:26px}
.service-card .body{padding:24px 22px;display:flex;flex-direction:column;flex:1}
.service-card h3{margin-bottom:9px}
.service-card h3 a{color:var(--ink)}.service-card h3 a:hover{color:var(--accent)}
.service-card p{color:var(--muted);font-size:.98rem;margin-bottom:18px;flex:1}
.service-card .more{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-weight:600;
  font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.service-card .more .icon{width:17px;height:17px;transition:transform .2s}
.service-card:hover .more .icon{transform:translateX(5px)}

/* icon service tile */
.service-tile{display:flex;gap:16px;padding:22px;background:var(--paper);border:var(--bw) solid var(--ink);
  border-radius:var(--radius);transition:transform .16s,box-shadow .16s}
.service-tile:hover{transform:translate(-3px,-3px);box-shadow:var(--shadow-hard)}
.service-tile .ic{flex:0 0 auto;width:50px;height:50px;border-radius:var(--radius);display:grid;place-items:center;
  background:var(--paper-3);color:var(--accent);border:var(--bw) solid var(--ink)}
.service-tile .ic .icon{width:27px;height:27px}
.service-tile h3{font-size:1.08rem;margin-bottom:4px}
.service-tile p{margin:0;color:var(--muted);font-size:.92rem}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:var(--bw) solid rgba(255,255,255,.16);border-radius:var(--radius);overflow:hidden}
.stats.on-light{border-color:var(--ink)}
.stat{text-align:left;padding:clamp(22px,3vw,34px);border-left:var(--bw) solid rgba(255,255,255,.16);position:relative}
.stat:first-child{border-left:0}
.stats.on-light .stat{border-left-color:var(--ink)}
.stat .num{font-family:var(--font-display);font-size:clamp(2.4rem,5vw,3.6rem);font-weight:800;color:#fff;
  letter-spacing:-.04em;line-height:.9}
.stats.on-light .num{color:var(--ink)}
.stat .lbl{font-family:var(--font-mono);color:var(--aqua);font-weight:500;margin-top:12px;font-size:.74rem;
  letter-spacing:.08em;text-transform:uppercase}
.stats.on-light .lbl{color:var(--accent)}
@media(max-width:760px){.stats{grid-template-columns:repeat(2,1fr)}
  .stat{border-top:var(--bw) solid rgba(255,255,255,.16)}.stat:nth-child(-n+2){border-top:0}
  .stat:nth-child(odd){border-left:0}.stats.on-light .stat{border-top-color:var(--ink)}}

/* ---------- Feature / why-us ---------- */
.feature{display:flex;gap:16px;align-items:flex-start}
.feature .ic{flex:0 0 auto;width:50px;height:50px;border-radius:var(--radius);display:grid;place-items:center;
  background:var(--accent);color:#fff;border:var(--bw) solid var(--ink)}
.feature .ic .icon{width:26px;height:26px}
.feature h3{font-size:1.1rem;margin-bottom:5px}
.feature p{color:var(--muted);margin:0;font-size:.96rem}
.feature.card{flex-direction:column;padding:26px}
.feature.card .ic{margin-bottom:6px}
.check-list{list-style:none;padding:0;margin:0;display:grid;gap:13px}
.check-list li{display:flex;gap:12px;align-items:flex-start;color:var(--ink-soft);font-weight:500}
.check-list li .icon{flex:0 0 auto;width:22px;height:22px;color:#fff;background:var(--accent);border-radius:var(--radius);
  padding:3px;margin-top:2px;stroke-width:2.4}

/* ---------- Testimonials ---------- */
.testi-card{background:var(--paper);border:var(--bw) solid var(--ink);border-radius:var(--radius);padding:28px;
  height:100%;display:flex;flex-direction:column;transition:transform .16s,box-shadow .16s}
.testi-card:hover{transform:translate(-3px,-3px);box-shadow:var(--shadow-hard)}
.testi-card .q{color:var(--accent);margin-bottom:8px;line-height:0}
.testi-card .q .icon{width:34px;height:34px;fill:var(--accent);stroke:none}
.testi-card blockquote{margin:0 0 20px;font-size:1.06rem;color:var(--ink);line-height:1.6;flex:1;font-weight:450}
.testi-card .who{display:flex;align-items:center;gap:13px;padding-top:18px;border-top:var(--bw) solid var(--line)}
.testi-card .avatar{width:46px;height:46px;border-radius:var(--radius);display:grid;place-items:center;
  background:var(--ink);color:#fff;font-family:var(--font-display);font-weight:800;font-size:1.15rem;border:var(--bw) solid var(--ink)}
.testi-card .who b{display:block;color:var(--ink);font-weight:700}
.testi-card .who span{font-family:var(--font-mono);font-size:.74rem;color:var(--muted);letter-spacing:.02em}
.stars{display:inline-flex;gap:3px;margin-bottom:16px}
.stars .star{color:var(--line)}.stars .star.is-on{color:var(--signal)}
.stars .icon{width:17px;height:17px;fill:currentColor;stroke:none}

/* ---------- FAQ accordion ---------- */
.accordion{max-width:880px;margin-inline:auto;display:grid;gap:0;border:var(--bw) solid var(--ink);border-radius:var(--radius);overflow:hidden;background:var(--paper)}
.acc-item{border-top:var(--bw) solid var(--ink)}
.acc-item:first-child{border-top:0}
.acc-q{width:100%;text-align:left;background:none;border:none;cursor:pointer;font-family:var(--font-display);
  font-weight:700;font-size:1.1rem;color:var(--ink);padding:22px 24px;display:flex;justify-content:space-between;
  align-items:center;gap:16px;letter-spacing:-.01em;transition:background .18s}
.acc-q:hover{background:var(--paper-2)}
.acc-q .icon{flex:0 0 auto;width:24px;height:24px;color:var(--accent);transition:transform .3s}
.acc-item.open .acc-q{background:var(--paper-2)}
.acc-item.open .acc-q .icon{transform:rotate(180deg)}
.acc-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.acc-a .inner{padding:0 24px 22px;color:var(--muted)}
.acc-item.open .acc-a{max-height:460px}

/* ---------- Gallery ---------- */
.gallery-filter{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:38px}
.gallery-filter button{font-family:var(--font-mono);font-weight:500;font-size:.74rem;letter-spacing:.04em;
  text-transform:uppercase;cursor:pointer;padding:10px 17px;border-radius:var(--radius);border:var(--bw) solid var(--ink);
  background:var(--paper);color:var(--ink-soft);transition:.16s}
.gallery-filter button:hover{transform:translate(-2px,-2px);box-shadow:3px 3px 0 var(--ink);color:var(--ink)}
.gallery-filter button.active{background:var(--ink);border-color:var(--ink);color:#fff}
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
@media(max-width:900px){.gallery-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:620px){.gallery-grid{grid-template-columns:repeat(2,1fr)}}
.gallery-item{position:relative;aspect-ratio:1;overflow:hidden;border-radius:var(--radius);cursor:pointer;
  background:var(--paper-2);border:var(--bw) solid var(--ink);padding:0;transition:transform .16s,box-shadow .16s}
.gallery-item:hover{transform:translate(-3px,-3px);box-shadow:var(--shadow-hard-accent);z-index:2}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.gallery-item:hover img{transform:scale(1.08)}
.gallery-item .ov{position:absolute;inset:0;background:rgba(15,24,34,0);display:grid;place-items:center;transition:background .3s}
.gallery-item:hover .ov{background:rgba(15,24,34,.32)}
.gallery-item .ov .icon{width:38px;height:38px;color:#fff;opacity:0;transform:scale(.7);transition:.3s}
.gallery-item:hover .ov .icon{opacity:1;transform:scale(1)}
.gallery-item .play-badge{position:absolute;left:8px;top:8px;width:34px;height:34px;border-radius:var(--radius);
  background:var(--accent);border:var(--bw) solid var(--ink);display:grid;place-items:center}
.gallery-item .play-badge .icon{width:17px;height:17px;color:#fff;opacity:1;transform:none;fill:#fff;stroke:none}

/* lightbox */
.lightbox{position:fixed;inset:0;z-index:300;background:rgba(15,24,34,.94);display:none;align-items:center;justify-content:center;padding:20px}
.lightbox.open{display:flex}
.lightbox img,.lightbox video{max-width:92vw;max-height:86vh;border:var(--bw) solid #fff;border-radius:var(--radius)}
.lightbox .lb-close{position:absolute;top:18px;right:22px;background:none;border:none;color:#fff;cursor:pointer}
.lightbox .lb-close .icon{width:34px;height:34px}
.lightbox .lb-nav{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.1);
  border:var(--bw) solid rgba(255,255,255,.4);color:#fff;cursor:pointer;width:54px;height:54px;border-radius:var(--radius);display:grid;place-items:center}
.lightbox .lb-prev{left:18px}.lightbox .lb-next{right:18px}
.lightbox .lb-nav:hover{background:rgba(255,255,255,.22)}

/* ---------- Blog cards ---------- */
.post-card{display:flex;flex-direction:column;background:var(--paper);border:var(--bw) solid var(--ink);
  border-radius:var(--radius);overflow:hidden;transition:transform .18s,box-shadow .18s;height:100%}
.post-card:hover{transform:translate(-4px,-4px);box-shadow:var(--shadow-hard-accent)}
.post-card .thumb{aspect-ratio:16/9;overflow:hidden;border-bottom:var(--bw) solid var(--ink)}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.post-card:hover .thumb img{transform:scale(1.06)}
.post-card .body{padding:22px;display:flex;flex-direction:column;flex:1}
.post-card .meta{display:flex;gap:10px;align-items:center;font-family:var(--font-mono);font-size:.7rem;
  letter-spacing:.04em;text-transform:uppercase;color:var(--muted);margin-bottom:12px;flex-wrap:wrap}
.post-card .meta .cat{color:var(--accent);font-weight:600}
.post-card h3{font-size:1.18rem;margin-bottom:9px}
.post-card h3 a{color:var(--ink)}.post-card h3 a:hover{color:var(--accent)}
.post-card p{color:var(--muted);font-size:.95rem;margin-bottom:16px;flex:1}
.post-card .more{font-family:var(--font-mono);font-weight:600;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent);display:inline-flex;align-items:center;gap:7px}
.post-card .more .icon{width:16px;height:16px}

/* ---------- CTA band ---------- */
.cta-band{position:relative;border:var(--bw) solid var(--ink);border-radius:var(--radius-lg);overflow:hidden;
  background:var(--ink);color:#fff;padding:clamp(40px,6vw,68px);text-align:center;box-shadow:var(--shadow-hard-accent);
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:42px 42px}
.cta-band .pill{background:var(--accent);color:#fff;border-color:#fff}
.cta-band h2{color:#fff;margin:16px 0 12px}
.cta-band p{color:#9fb4c6;max-width:60ch;margin:0 auto 28px;font-size:1.12rem}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-band .btn-accent{border-color:#fff}
.cta-band .btn-whatsapp{border-color:#fff}

/* ---------- Page hero / breadcrumb ---------- */
.page-hero{background:var(--ink);color:#fff;padding:clamp(46px,7vw,86px) 0 clamp(38px,5vw,58px);position:relative;
  overflow:hidden;border-bottom:var(--bw) solid var(--ink);
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:46px 46px}
.page-hero::after{content:"";position:absolute;width:480px;height:480px;right:-180px;top:-200px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,192,216,.18),transparent 65%);pointer-events:none}
.page-hero .container{position:relative;z-index:2}
.page-hero h1{color:#fff;margin-bottom:12px}
.page-hero p{color:#9fb4c6;max-width:64ch;margin:0;font-size:1.12rem}
.breadcrumb{display:flex;gap:9px;align-items:center;font-family:var(--font-mono);font-size:.74rem;letter-spacing:.04em;
  text-transform:uppercase;color:#7e93a6;margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a{color:#aebccb}.breadcrumb a:hover{color:#fff}
.breadcrumb .icon{width:14px;height:14px}
.breadcrumb .sep{color:#4d6273}

/* ---------- Forms ---------- */
.form-grid{display:grid;gap:18px;grid-template-columns:1fr 1fr}
@media(max-width:640px){.form-grid{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-family:var(--font-mono);font-weight:500;font-size:.76rem;letter-spacing:.05em;text-transform:uppercase;color:var(--ink-soft)}
.field label .req{color:var(--danger)}
.form-control{font-family:var(--font-body);font-size:1rem;color:var(--ink);background:var(--paper);
  border:var(--bw) solid var(--ink);border-radius:var(--radius);padding:14px 15px;transition:.16s;width:100%}
.form-control::placeholder{color:#9a978b}
.form-control:focus{outline:none;border-color:var(--accent);box-shadow:3px 3px 0 var(--accent)}
textarea.form-control{min-height:150px;resize:vertical}
select.form-control{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' fill='none' stroke='%230f1822' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 8 4 4 4-4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:42px}
.field .err{color:var(--danger);font-family:var(--font-mono);font-size:.76rem;font-weight:500}
.form-control.is-invalid{border-color:var(--danger);box-shadow:3px 3px 0 var(--danger)}

/* ---------- Alerts ---------- */
.alert{padding:15px 18px;border-radius:var(--radius);font-weight:500;display:flex;gap:11px;align-items:flex-start;
  margin-bottom:18px;border:var(--bw) solid var(--ink)}
.alert .icon{width:22px;height:22px;flex:0 0 auto;margin-top:1px}
.alert-success{background:#dff3e8;color:#0c5c3a}
.alert-danger{background:#fbe2dd;color:#a02a18}
.alert-info{background:var(--paper-3);color:var(--ink)}

/* ---------- Article / prose ---------- */
.prose{font-size:1.12rem;color:var(--ink-soft);line-height:1.78}
.prose h2{font-size:1.7rem;margin:1.7em 0 .55em}
.prose h3{font-size:1.32rem;margin:1.5em 0 .5em}
.prose p{margin-bottom:1.1em}
.prose ul,.prose ol{margin:0 0 1.3em;padding-left:1.3em}
.prose li{margin-bottom:.55em}
.prose li::marker{color:var(--accent)}
.prose strong{color:var(--ink)}
.prose img{border:var(--bw) solid var(--ink);border-radius:var(--radius);margin:1.5em 0}
.prose a{text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:3px}
.prose blockquote{border-left:3px solid var(--accent);padding:6px 0 6px 22px;margin:1.4em 0;font-size:1.18rem;color:var(--ink)}

/* ---------- Info cards ---------- */
.info-card{display:flex;gap:16px;align-items:flex-start;padding:22px;background:var(--paper);
  border:var(--bw) solid var(--ink);border-radius:var(--radius);transition:transform .16s,box-shadow .16s}
.info-card:hover{transform:translate(-3px,-3px);box-shadow:var(--shadow-hard)}
.info-card .ic{flex:0 0 auto;width:50px;height:50px;border-radius:var(--radius);display:grid;place-items:center;
  background:var(--accent);color:#fff;border:var(--bw) solid var(--ink)}
.info-card .ic .icon{width:25px;height:25px}
.info-card h3{font-size:1.02rem;margin-bottom:4px}
.info-card p,.info-card a{margin:0;color:var(--muted);font-size:.98rem}
.info-card a:hover{color:var(--accent)}

/* ---------- Floating buttons ---------- */
.fab{position:fixed;right:18px;bottom:18px;z-index:90;display:flex;flex-direction:column;gap:12px}
.fab a{width:56px;height:56px;border-radius:var(--radius);display:grid;place-items:center;color:#fff;
  border:var(--bw) solid var(--ink);box-shadow:var(--shadow-hard);transition:transform .16s}
.fab a:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 var(--ink)}
.fab .wa{background:#1fae54}
.fab .call{background:var(--accent)}
.fab a .icon{width:27px;height:27px}
@media(max-width:1020px){.fab{right:14px;bottom:14px}}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#9fb0c0;padding-top:clamp(52px,7vw,84px);border-top:var(--bw) solid var(--ink)}
.site-footer h4{color:#fff;font-family:var(--font-mono);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;
  margin-bottom:20px;font-weight:500}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:clamp(26px,4vw,52px)}
@media(max-width:860px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.footer-grid{grid-template-columns:1fr}}
.site-footer a{color:#aebccb}.site-footer a:hover{color:#fff}
.footer-brand{display:flex;align-items:center;gap:12px;font-family:var(--font-display);font-weight:800;
  font-size:1.4rem;color:#fff;margin-bottom:16px;letter-spacing:-.03em}
.footer-about{font-size:.97rem;line-height:1.7;margin-bottom:20px;color:#9fb0c0}
.footer-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.footer-list a{display:inline-flex;align-items:center;gap:8px;font-size:.96rem}
.footer-list .icon{width:15px;height:15px;color:var(--aqua)}
.footer-contact li{display:flex;gap:11px;align-items:flex-start;margin-bottom:14px}
.footer-contact .icon{width:19px;height:19px;color:var(--aqua);flex:0 0 auto;margin-top:2px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{width:42px;height:42px;border-radius:var(--radius);display:grid;place-items:center;
  background:rgba(255,255,255,.06);color:#cdd9e6;border:var(--bw) solid rgba(255,255,255,.16);font-weight:700;font-family:var(--font-mono)}
.footer-social a:hover{background:var(--accent);color:#fff;border-color:var(--accent)}
.footer-bottom{border-top:var(--bw) solid rgba(255,255,255,.12);margin-top:clamp(40px,5vw,60px);padding:22px 0;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-family:var(--font-mono);font-size:.74rem;
  letter-spacing:.02em;color:#7e93a6;text-transform:uppercase}
.footer-bottom a{color:#aebccb}

/* ---------- Utilities ---------- */
.text-center{text-align:center}
.mt-0{margin-top:0}.mb-0{margin-bottom:0}
.mt-4{margin-top:2rem}.mt-6{margin-top:3rem}
.muted{color:var(--muted)}
.flex{display:flex}.items-center{align-items:center}.gap-2{gap:.75rem}.gap-3{gap:1rem}.wrap{flex-wrap:wrap}
.divider{height:var(--bw);background:var(--line);border:0;margin:0}

/* ---------- References (Referanslar) ---------- */
.ref-filter{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:38px}
.ref-filter button{font-family:var(--font-mono);font-weight:500;font-size:.74rem;letter-spacing:.04em;
  text-transform:uppercase;padding:9px 16px;background:var(--paper);border:var(--bw) solid var(--ink);
  border-radius:var(--radius);color:var(--muted);cursor:pointer;transition:.2s}
.ref-filter button:hover{transform:translate(-2px,-2px);box-shadow:3px 3px 0 var(--ink);color:var(--ink)}
.ref-filter button.active{background:var(--ink);border-color:var(--ink);color:#fff}

.reference-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,2.4vw,26px)}
@media(max-width:920px){.reference-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.reference-grid{grid-template-columns:1fr}}

.reference-card{display:flex;flex-direction:column;background:var(--paper);border:var(--bw) solid var(--ink);
  border-radius:var(--radius);overflow:hidden;transition:transform .3s,box-shadow .3s}
.reference-card:hover{transform:translate(-4px,-4px);box-shadow:var(--shadow-hard-accent)}
.reference-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;border-bottom:var(--bw) solid var(--ink)}
.reference-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s}
.reference-card:hover .thumb img{transform:scale(1.06)}
.reference-card .ref-cat{position:absolute;left:10px;top:10px;z-index:2;font-family:var(--font-mono);font-weight:600;
  font-size:.66rem;letter-spacing:.05em;text-transform:uppercase;padding:6px 10px;background:var(--accent);
  color:#fff;border-radius:var(--radius);border:var(--bw) solid var(--ink)}
.reference-card .ref-badge{position:absolute;right:10px;top:10px;z-index:2;width:34px;height:34px;border-radius:var(--radius);
  background:var(--signal);border:var(--bw) solid var(--ink);display:grid;place-items:center}
.reference-card .ref-badge .icon{width:18px;height:18px;color:#fff}
.reference-card .body{padding:22px;display:flex;flex-direction:column;flex:1}
.reference-card .ref-meta{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center;font-family:var(--font-mono);
  font-size:.7rem;letter-spacing:.03em;color:var(--muted);margin-bottom:11px;text-transform:uppercase}
.reference-card .ref-meta span{display:inline-flex;align-items:center;gap:5px}
.reference-card .ref-meta .icon{width:14px;height:14px;color:var(--accent)}
.reference-card h3{font-size:1.18rem;margin-bottom:9px}
.reference-card h3 a{color:var(--ink)}.reference-card h3 a:hover{color:var(--accent)}
.reference-card p{color:var(--muted);font-size:.95rem;margin-bottom:16px;flex:1}
.reference-card .ref-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding-top:14px;border-top:var(--bw) solid var(--line)}
.reference-card .ref-foot .stars{margin:0}
.reference-card .more{font-family:var(--font-mono);font-weight:600;font-size:.72rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--accent);display:inline-flex;align-items:center;gap:7px}
.reference-card .more .icon{width:16px;height:16px;transition:transform .2s}
.reference-card:hover .more .icon{transform:translateX(4px)}

/* Reference detail */
.ref-stats{display:flex;flex-wrap:wrap;gap:12px;margin:0 0 28px}
.ref-stat{flex:1 1 130px;background:var(--paper);border:var(--bw) solid var(--ink);border-radius:var(--radius);padding:14px 16px}
.ref-stat .k{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);display:flex;align-items:center;gap:6px;margin-bottom:5px}
.ref-stat .k .icon{width:14px;height:14px;color:var(--accent)}
.ref-stat .v{font-family:var(--font-display);font-weight:800;font-size:1.05rem;color:var(--ink);line-height:1.15}
.ref-facts{list-style:none;padding:0;margin:0;display:grid;gap:0}
.ref-facts li{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:var(--bw) solid var(--line)}
.ref-facts li:last-child{border-bottom:0}
.ref-facts .icon{flex:0 0 auto;width:20px;height:20px;color:var(--accent);margin-top:2px}
.ref-facts .k{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:2px}
.ref-facts .v{font-weight:600;color:var(--ink)}
.ref-quote{background:var(--ink);color:#fff;border-radius:var(--radius);padding:26px 28px;margin:30px 0 0}
.ref-quote .stars{margin-bottom:12px}
.ref-quote p{font-size:1.14rem;font-style:italic;color:#eef3f7;margin:0 0 14px}
.ref-quote .who{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.04em;color:var(--aqua)}

/* reveal animation */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .55s cubic-bezier(.2,.7,.2,1),transform .55s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto}.reveal{opacity:1;transform:none}}