/* ============ FEXSA Design System ============ */
:root{
  --navy-950:#081420; --navy-900:#0b1f2e; --navy-800:#10293c; --navy-700:#16334a;
  --cyan:#22d3c5; --cyan-soft:#5eead4; --cyan-deep:#0d9488; --cyan-dark:#0f766e;
  --ink:#1b2733; --muted:#5d6f80; --line:#e5ecf1;
  --bg:#f6f9fb; --card:#ffffff;
  --glass:rgba(255,255,255,.07); --glass-line:rgba(255,255,255,.16);
  --radius:16px; --maxw:1180px;
  --shadow:0 20px 50px rgba(8,20,32,.12);
  --shadow-cyan:0 12px 32px rgba(13,148,136,.35);
  --font:"Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* Reveal-on-scroll */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}
.rv-d1{transition-delay:.1s}.rv-d2{transition-delay:.2s}.rv-d3{transition-delay:.3s}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.55rem;padding:.9rem 1.7rem;border-radius:10px;font-weight:600;font-size:.96rem;letter-spacing:.2px;transition:.22s;border:1.5px solid transparent;cursor:pointer;font-family:var(--font)}
.btn svg{transition:.22s}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{background:linear-gradient(120deg,var(--cyan-deep),var(--cyan));color:#fff;box-shadow:var(--shadow-cyan)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-dark{background:var(--navy-900);color:#fff}
.btn-dark:hover{background:var(--navy-700);transform:translateY(-2px)}

/* ============ Header ============ */
header{position:fixed;top:0;left:0;right:0;z-index:90;transition:.3s;padding:14px 0}
header .bar{display:flex;align-items:center;justify-content:space-between;height:58px;padding:0 22px;border-radius:14px;
  background:rgba(10,26,40,.55);border:1px solid rgba(255,255,255,.1);backdrop-filter:blur(14px)}
header.solid .bar{background:rgba(8,20,32,.92);box-shadow:0 10px 30px rgba(8,20,32,.35)}
.logo{display:flex;align-items:center;gap:.6rem;font-weight:800;font-size:1.45rem;letter-spacing:1px;color:#fff}
.logo .mark{width:34px;height:34px;color:var(--cyan)}
.menu{display:flex;align-items:center;gap:1.9rem}
.menu a{color:rgba(255,255,255,.82);font-weight:500;font-size:.95rem;position:relative;padding:.35rem 0;transition:.2s}
.menu a::after{content:"";position:absolute;left:0;bottom:-3px;height:2px;width:0;background:var(--cyan);border-radius:2px;transition:.25s}
.menu a:hover{color:#fff}
.menu a:hover::after,.menu a.active::after{width:100%}
.menu a.active{color:var(--cyan-soft)}
.lang{border:1px solid rgba(255,255,255,.25);border-radius:8px;padding:.35rem .75rem;font-size:.82rem;color:rgba(255,255,255,.8);font-weight:700}
.hamb{display:none;background:none;border:0;color:#fff;cursor:pointer;padding:6px}
/* Mobile drawer */
.drawer{position:fixed;inset:0;z-index:100;background:rgba(8,20,32,.97);backdrop-filter:blur(8px);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.6rem;opacity:0;pointer-events:none;transition:.3s}
.drawer.open{opacity:1;pointer-events:auto}
.drawer a{color:#fff;font-size:1.5rem;font-weight:700}
.drawer a.active{color:var(--cyan-soft)}
.drawer .close{position:absolute;top:26px;right:26px;background:none;border:0;color:#fff;cursor:pointer}

/* ============ Hero (home) ============ */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;color:#fff;overflow:hidden;
  background:radial-gradient(1100px 600px at 78% 18%,rgba(13,148,136,.28),transparent 55%),
             linear-gradient(150deg,var(--navy-950) 0%,var(--navy-900) 55%,#0c2b33 100%)}
.hero .photo{position:absolute;inset:0;background:url('../img/hero.jpg') center/cover;opacity:.18;mix-blend-mode:luminosity}
#net{position:absolute;inset:0;width:100%;height:100%}
.hero .fade{position:absolute;left:0;right:0;bottom:0;height:140px;background:linear-gradient(180deg,transparent,var(--bg))}
.hero-inner{position:relative;z-index:3;padding:150px 0 140px;max-width:800px}
.kicker{display:inline-flex;align-items:center;gap:.55rem;background:var(--glass);border:1px solid var(--glass-line);padding:.45rem 1.1rem;border-radius:999px;font-size:.78rem;letter-spacing:2px;text-transform:uppercase;margin-bottom:1.6rem;backdrop-filter:blur(6px)}
.kicker .dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);animation:pulse 2.2s infinite}
@keyframes pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.35);opacity:.6}}
.hero h1{font-size:clamp(2.2rem,5.4vw,3.9rem);line-height:1.08;margin:0 0 1.3rem;font-weight:800;letter-spacing:-1px}
.hero h1 .grad{background:linear-gradient(90deg,var(--cyan-soft),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:1.2rem;color:rgba(255,255,255,.85);margin:0 0 2.4rem;max-width:640px}
.hero-cta{display:flex;gap:1rem;flex-wrap:wrap}
.scroll-hint{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:3;color:rgba(255,255,255,.55);font-size:.75rem;letter-spacing:2px;text-transform:uppercase;display:flex;flex-direction:column;align-items:center;gap:8px}
.scroll-hint .wheel{width:22px;height:36px;border:2px solid rgba(255,255,255,.4);border-radius:12px;position:relative}
.scroll-hint .wheel::after{content:"";position:absolute;left:50%;top:6px;width:4px;height:8px;margin-left:-2px;border-radius:4px;background:var(--cyan);animation:wheel 1.8s infinite}
@keyframes wheel{0%{transform:translateY(0);opacity:1}70%{transform:translateY(12px);opacity:0}100%{opacity:0}}

/* Subpage hero */
.page-hero{position:relative;color:#fff;padding:190px 0 110px;overflow:hidden;
  background:radial-gradient(900px 480px at 80% 0%,rgba(13,148,136,.3),transparent 55%),
             linear-gradient(150deg,var(--navy-950),var(--navy-900))}
.page-hero .photo{position:absolute;inset:0;background:url('../img/hero.jpg') center/cover;opacity:.14;mix-blend-mode:luminosity}
.page-hero .crumb{position:relative;z-index:2;color:rgba(255,255,255,.6);font-size:.85rem;letter-spacing:1px;text-transform:uppercase;margin-bottom:.8rem}
.page-hero .crumb b{color:var(--cyan-soft)}
.page-hero h1{position:relative;z-index:2;font-size:clamp(2rem,4.6vw,3.2rem);margin:0;font-weight:800;letter-spacing:-.5px}
.page-hero p{position:relative;z-index:2;max-width:640px;color:rgba(255,255,255,.82);font-size:1.1rem;margin:1rem 0 0}

/* ============ Sections ============ */
section.blk{padding:96px 0}
.blk-soft{background:#eef4f6}
.blk-dark{background:linear-gradient(150deg,var(--navy-950),var(--navy-900));color:#fff}
.head{text-align:center;max-width:660px;margin:0 auto 58px}
.tag{display:inline-flex;align-items:center;gap:.5rem;color:var(--cyan-dark);font-weight:800;letter-spacing:3px;text-transform:uppercase;font-size:.75rem}
.tag::before{content:"";width:26px;height:2px;background:var(--cyan)}
.blk-dark .tag{color:var(--cyan-soft)}
.head h2,.h2{font-size:clamp(1.8rem,3.6vw,2.6rem);margin:.55rem 0 .75rem;color:var(--navy-900);font-weight:800;letter-spacing:-.5px}
.blk-dark .head h2,.blk-dark .h2{color:#fff}
.head p{color:var(--muted);margin:0;font-size:1.06rem}
.blk-dark .head p{color:rgba(255,255,255,.7)}

/* Stats */
.stats-band{background:var(--navy-900);position:relative;overflow:hidden}
.stats-band::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 15% 50%,rgba(34,211,197,.12),transparent 60%)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);position:relative}
.stat{text-align:center;padding:44px 12px;position:relative}
.stat:not(:last-child)::after{content:"";position:absolute;right:0;top:30%;height:40%;width:1px;background:rgba(255,255,255,.12)}
.stat b{display:block;font-size:2.6rem;font-weight:800;color:#fff;line-height:1.1}
.stat b .plus{color:var(--cyan)}
.stat span{color:rgba(255,255,255,.62);font-size:.92rem;letter-spacing:.5px}

/* Sector cards (home) */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.scard{position:relative;border-radius:var(--radius);overflow:hidden;min-height:330px;display:flex;align-items:flex-end;color:#fff;box-shadow:0 14px 34px rgba(8,20,32,.18);transform-style:preserve-3d;transition:transform .18s ease,box-shadow .3s}
.scard .bgimg{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform .6s ease}
.scard:hover .bgimg{transform:scale(1.07)}
.scard .shade{position:absolute;inset:0;background:linear-gradient(185deg,rgba(8,20,32,.05) 30%,rgba(8,20,32,.88) 82%)}
.scard .inner{position:relative;z-index:2;padding:26px;width:100%}
.scard .ic{width:52px;height:52px;border-radius:13px;display:grid;place-items:center;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);backdrop-filter:blur(8px);margin-bottom:14px;color:var(--cyan-soft);transition:.3s}
.scard:hover .ic{background:var(--cyan-deep);color:#fff;border-color:transparent}
.scard .ic svg{width:26px;height:26px}
.scard h3{margin:0 0 .4rem;font-size:1.15rem;font-weight:800;letter-spacing:1.5px;text-transform:uppercase}
.scard p{margin:0;color:rgba(255,255,255,.8);font-size:.93rem;max-height:0;opacity:0;overflow:hidden;transition:.4s ease}
.scard:hover p{max-height:90px;opacity:1;margin-top:.2rem}
.scard .go{position:absolute;top:20px;right:20px;z-index:2;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);color:#fff;opacity:0;transform:translateY(-6px);transition:.3s}
.scard:hover .go{opacity:1;transform:none}

/* Feature list / about */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:64px;align-items:center}
.split .tag{margin-bottom:0}
.split h2{margin:.5rem 0 1.1rem}
.split p{color:var(--muted);margin:0 0 1rem}
.ticks{list-style:none;padding:0;margin:1.4rem 0 2rem;display:grid;gap:.9rem}
.ticks li{display:flex;gap:.75rem;align-items:flex-start;font-weight:600;color:var(--ink)}
.ticks .ck{flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--cyan-deep),var(--cyan));color:#fff;display:grid;place-items:center;margin-top:1px;box-shadow:0 6px 14px rgba(13,148,136,.35)}
.imgbox{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}
.imgbox img{width:100%;height:100%;object-fit:cover;min-height:420px}
.imgbox .chip{position:absolute;left:22px;bottom:22px;right:22px;background:rgba(8,20,32,.62);border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(10px);border-radius:14px;padding:18px 20px;color:#fff}
.imgbox .chip b{display:block;font-size:1.15rem;margin-bottom:.15rem}
.imgbox .chip span{color:rgba(255,255,255,.75);font-size:.9rem}

/* Value cards (glass, on dark) */
.vals{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.val{background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--radius);padding:32px 26px;backdrop-filter:blur(10px);transition:.3s;transform-style:preserve-3d}
.val:hover{border-color:rgba(94,234,212,.4);transform:translateY(-6px)}
.val .ic{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;background:rgba(34,211,197,.12);color:var(--cyan-soft);margin-bottom:18px}
.val .ic svg{width:26px;height:26px}
.val h3{margin:0 0 .5rem;font-size:1.12rem;color:#fff}
.val p{margin:0;color:rgba(255,255,255,.68);font-size:.95rem}

/* Timeline */
.tline{position:relative;max-width:860px;margin:0 auto;padding-left:0}
.tline::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;background:linear-gradient(180deg,var(--cyan),rgba(13,148,136,.15));transform:translateX(-50%)}
.tl{position:relative;width:50%;padding:0 44px 52px}
.tl:nth-child(odd){left:0;text-align:right}
.tl:nth-child(even){left:50%;text-align:left}
.tl .yr{display:inline-block;background:linear-gradient(120deg,var(--cyan-deep),var(--cyan));color:#fff;font-weight:800;border-radius:8px;padding:.3rem .9rem;font-size:.95rem;margin-bottom:.6rem;box-shadow:var(--shadow-cyan)}
.tl h3{margin:.1rem 0 .35rem;color:var(--navy-900);font-size:1.15rem}
.tl p{margin:0;color:var(--muted);font-size:.95rem}
.tl::after{content:"";position:absolute;top:6px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--cyan);box-shadow:0 0 0 5px rgba(34,211,197,.15)}
.tl:nth-child(odd)::after{right:-8px}
.tl:nth-child(even)::after{left:-8px}

/* Sector detail rows */
.srow{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:70px 0;border-bottom:1px solid var(--line)}
.srow:last-child{border-bottom:0}
.srow.flip .media{order:2}
.srow .media{position:relative;border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}
.srow .media img{width:100%;height:360px;object-fit:cover;transition:transform .6s}
.srow:hover .media img{transform:scale(1.05)}
.srow .num{position:absolute;top:16px;left:16px;background:rgba(8,20,32,.7);color:var(--cyan-soft);border:1px solid rgba(255,255,255,.2);backdrop-filter:blur(8px);font-weight:800;border-radius:10px;padding:.35rem .8rem;font-size:.9rem;letter-spacing:1px}
.srow h3{display:flex;align-items:center;gap:.8rem;font-size:1.6rem;color:var(--navy-900);margin:.4rem 0 .8rem;font-weight:800}
.srow h3 .ic{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,#d9f5f0,#effbf8);display:grid;place-items:center;color:var(--cyan-dark)}
.srow h3 .ic svg{width:24px;height:24px}
.srow p{color:var(--muted);margin:0 0 1.1rem}
.pills{display:flex;flex-wrap:wrap;gap:.55rem;margin-top:.2rem}
.pill{background:#eef6f5;color:var(--cyan-dark);border:1px solid #d5ece8;border-radius:999px;padding:.32rem .85rem;font-size:.82rem;font-weight:600}

/* CTA band */
.ctaband{position:relative;overflow:hidden;background:linear-gradient(120deg,var(--cyan-dark) 0%,var(--cyan-deep) 55%,#14b3a4 100%);color:#fff;text-align:center;border-radius:24px;padding:66px 28px;box-shadow:var(--shadow)}
.ctaband::before,.ctaband::after{content:"";position:absolute;border-radius:50%;border:1.5px solid rgba(255,255,255,.18)}
.ctaband::before{width:340px;height:340px;right:-120px;top:-140px}
.ctaband::after{width:240px;height:240px;left:-90px;bottom:-110px}
.ctaband h2{font-size:clamp(1.7rem,3.2vw,2.4rem);margin:0 0 .7rem;font-weight:800;position:relative;z-index:2}
.ctaband p{color:rgba(255,255,255,.92);margin:0 0 1.9rem;position:relative;z-index:2}
.ctaband .btn{position:relative;z-index:2}

/* ============ Contact ============ */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:start}
.cinfo .item{display:flex;gap:1rem;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 22px;margin-bottom:16px;transition:.25s}
.cinfo .item:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.cinfo .ic{flex:0 0 auto;width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,var(--cyan-deep),var(--cyan));color:#fff;display:grid;place-items:center}
.cinfo b{display:block;color:var(--navy-900);margin-bottom:.1rem}
.cinfo span{color:var(--muted);font-size:.95rem}
.form{background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px;box-shadow:var(--shadow)}
.form h3{margin:0 0 1.2rem;color:var(--navy-900);font-size:1.3rem}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fg{margin-bottom:16px}
.fg label{display:block;font-size:.85rem;font-weight:700;color:var(--navy-800);margin-bottom:.4rem;letter-spacing:.3px}
.fg input,.fg select,.fg textarea{width:100%;padding:.85rem 1rem;border:1.5px solid var(--line);border-radius:10px;font-family:var(--font);font-size:.95rem;color:var(--ink);background:#fbfdfe;transition:.2s;outline:none}
.fg input:focus,.fg select:focus,.fg textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(34,211,197,.14)}
.fg textarea{min-height:130px;resize:vertical}
.hp{position:absolute;left:-9999px;opacity:0}
.notice{display:none;border-radius:10px;padding:.9rem 1.1rem;margin-bottom:16px;font-weight:600;font-size:.93rem}
.notice.ok{display:block;background:#e7f8f3;color:#0f766e;border:1px solid #b8ebe0}
.notice.err{display:block;background:#fdecec;color:#b42318;border:1px solid #f6c8c6}
.map{border-radius:18px;overflow:hidden;border:1px solid var(--line);margin-top:44px;filter:grayscale(.35) contrast(1.02)}
.map iframe{display:block;width:100%;height:380px;border:0}

/* ============ Footer ============ */
footer{background:var(--navy-950);color:rgba(255,255,255,.7);position:relative;overflow:hidden}
footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(34,211,197,.6),transparent)}
.fspark{position:absolute;right:-40px;bottom:-40px;width:260px;color:rgba(34,211,197,.08)}
.fgrid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:38px;padding:72px 0 40px;position:relative;z-index:2}
footer h4{color:#fff;font-size:.95rem;margin:0 0 1.15rem;letter-spacing:1.5px;text-transform:uppercase}
footer h4::after{content:"";display:block;width:26px;height:2px;background:var(--cyan);margin-top:.5rem}
footer a{display:block;color:rgba(255,255,255,.65);padding:.32rem 0;font-size:.94rem;transition:.2s}
footer a:hover{color:var(--cyan-soft);padding-left:5px}
.flogo{display:flex;align-items:center;gap:.6rem;font-weight:800;font-size:1.4rem;color:#fff;margin-bottom:1rem}
.flogo .mark{width:30px;height:30px;color:var(--cyan)}
.fabout{color:rgba(255,255,255,.58);font-size:.94rem;max-width:300px;margin:0 0 1.3rem}
.social{display:flex;gap:.6rem}
.social a{width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.07);display:grid;place-items:center;padding:0;border:1px solid rgba(255,255,255,.08)}
.social a:hover{background:var(--cyan-deep);border-color:transparent;padding-left:0;transform:translateY(-3px)}
.cline{display:flex;gap:.6rem;align-items:flex-start;margin:.45rem 0;font-size:.94rem;color:rgba(255,255,255,.68)}
.cline svg{flex:0 0 auto;color:var(--cyan-soft);margin-top:3px}
.fbar{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:.6rem;font-size:.85rem;color:rgba(255,255,255,.45);position:relative;z-index:2}

/* ============ Responsive ============ */
@media (max-width:960px){
  .split,.contact-grid{grid-template-columns:1fr;gap:36px}
  .cards{grid-template-columns:repeat(2,1fr)}
  .vals{grid-template-columns:1fr 1fr}
  .fgrid{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2)::after{display:none}
  .srow{grid-template-columns:1fr;gap:26px}
  .srow.flip .media{order:0}
}
@media (max-width:640px){
  .menu{display:none}
  .hamb{display:block}
  .cards{grid-template-columns:1fr}
  .vals{grid-template-columns:1fr}
  .frow{grid-template-columns:1fr}
  .tline::before{left:10px}
  .tl{width:100%;left:0!important;text-align:left!important;padding:0 0 44px 40px}
  .tl::after{left:2px!important;right:auto!important}
  .fgrid{grid-template-columns:1fr}
  .hero-inner{padding:130px 0 120px}
}


/* ===== Header 360 derece: donen traveling-light border + nefes alan halo (FEXSA paleti) ===== */
@property --fx-ang { syntax:"<angle>"; initial-value:0deg; inherits:false; }
header .bar{ position:relative; isolation:isolate; animation:fx-halo 3.4s ease-in-out infinite; }
/* donen keskin isik (gradient border ring — cycle gibi tur atar) */
header .bar::before{
  content:""; position:absolute; inset:-2px; border-radius:16px; z-index:-1; padding:2px; pointer-events:none;
  background:conic-gradient(from var(--fx-ang),
    transparent 0deg, transparent 190deg,
    #0d9488 245deg, #22d3c5 300deg, #5eead4 335deg, #eafffb 352deg, #5eead4 360deg);
  -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite:xor; mask-composite:exclude;
  animation:fx-spin 4s linear infinite;
}
/* donen comet glow izi (blurlu) */
header .bar::after{
  content:""; position:absolute; inset:-2px; border-radius:16px; z-index:-2; pointer-events:none;
  background:conic-gradient(from var(--fx-ang),
    transparent 0deg, transparent 205deg, #22d3c5 300deg, #5eead4 340deg, transparent 360deg);
  filter:blur(15px);
  animation:fx-spin 4s linear infinite, fx-breathe 3s ease-in-out infinite;
}
@keyframes fx-spin{ to { --fx-ang:360deg; } }
@keyframes fx-breathe{ 0%,100%{ opacity:.4; filter:blur(10px);} 50%{ opacity:1; filter:blur(22px);} }
/* nefes alan yumusak halo (tum bar cevresi) */
@keyframes fx-halo{
  0%,100%{ box-shadow:0 0 12px rgba(34,211,197,.25), 0 0 34px rgba(13,148,136,.16); }
  50%    { box-shadow:0 0 24px rgba(34,211,197,.52), 0 0 66px rgba(13,148,136,.34); }
}
@media (prefers-reduced-motion:reduce){ header .bar,header .bar::before,header .bar::after{ animation:none;} header .bar::after{opacity:.6;filter:blur(14px)} }


/* ===== Butonlarda header tarzi donen glow — TUM butonlar (renkler butona ozel) ===== */
.btn,.bwa,.bdet,.bwa-lg,.bcall{ position:relative; isolation:isolate; --bgc1:#0d9488; --bgc2:#22d3c5; --bgc3:#5eead4; animation:fx-btnhalo 3.4s ease-in-out infinite; }
.b-ac{ --bgc1:var(--ac,#0d9488); --bgc2:var(--ac2,#22d3c5); --bgc3:var(--ac2,#5eead4); }
.btn-ghost,.b-white{ --bgc1:#bfefff; --bgc2:#ffffff; --bgc3:#e7fbff; }
.b-wa2,.bwa,.bwa-lg{ --bgc1:#15a34a; --bgc2:#22c55e; --bgc3:#86efac; }
.btn-dark,.bcall,.bdet{ --bgc1:#0d9488; --bgc2:#22d3c5; --bgc3:#5eead4; }
.btn::before,.bwa::before,.bdet::before,.bwa-lg::before,.bcall::before{
  content:""; position:absolute; inset:-2px; border-radius:inherit; z-index:-1; padding:2px; pointer-events:none;
  background:conic-gradient(from var(--fx-ang), transparent 0deg, transparent 200deg,
    var(--bgc1) 250deg, var(--bgc2) 305deg, var(--bgc3) 338deg, #ffffff 353deg, var(--bgc2) 360deg);
  -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite:xor; mask-composite:exclude;
  animation:fx-spin 4.5s linear infinite;
}
.btn::after,.bwa::after,.bdet::after,.bwa-lg::after,.bcall::after{
  content:""; position:absolute; inset:-2px; border-radius:inherit; z-index:-2; pointer-events:none;
  background:conic-gradient(from var(--fx-ang), transparent 0deg, transparent 210deg, var(--bgc2) 305deg, var(--bgc3) 342deg, transparent 360deg);
  filter:blur(8px);
  animation:fx-spin 4.5s linear infinite, fx-breathe2 3s ease-in-out infinite;
}
@keyframes fx-breathe2{ 0%,100%{ opacity:.5; filter:blur(5px);} 50%{ opacity:1; filter:blur(12px);} }
@keyframes fx-btnhalo{
  0%,100%{ box-shadow:0 5px 14px color-mix(in srgb, var(--bgc1) 28%, transparent); }
  50%    { box-shadow:0 7px 20px color-mix(in srgb, var(--bgc1) 42%, transparent), 0 0 18px color-mix(in srgb, var(--bgc2) 46%, transparent); }
}
@media (prefers-reduced-motion:reduce){ .btn,.bwa,.bdet,.bwa-lg,.bcall{animation:none} .btn::before,.btn::after,.bwa::before,.bwa::after,.bdet::before,.bdet::after,.bwa-lg::before,.bwa-lg::after,.bcall::before,.bcall::after{animation:none} }