/* ==========================================================================
   MAVİ DÖVİZ — Design tokens
   Navy = trust / precision. Gold = the metal on the trading board.
   Mono numerals everywhere a rate appears — this site treats prices
   like a dealing board, not like marketing copy.
   ========================================================================== */

:root{
  --ink:        #0F2544;   /* primary text / deep navy */
  --navy-900:   #0B1E38;
  --navy-800:   #14284D;
  --navy-700:   #1B3A6B;
  --navy-600:   #204B9C;
  --steel:      #2C5FA8;
  --gold:       #C9A227;
  --gold-light: #E4C36A;
  --paper:      #F6F7F9;
  --paper-dim:  #EEF0F4;
  --white:      #FFFFFF;
  --line:       #E2E5EA;
  --slate:      #5B6472;
  --slate-light:#8892A0;
  --up:         #1E8E5A;
  --down:       #C23B3B;

  --font-head: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;

  --radius: 4px;
  --shadow-card: 0 1px 2px rgba(15,37,68,.06), 0 8px 24px rgba(15,37,68,.06);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{ font-family:var(--font-head); margin:0; letter-spacing:-.01em; }
p{ margin:0; }
button{ font-family:inherit; cursor:pointer; }
.container{ max-width:1200px; margin:0 auto; padding:0 32px; }
.mono{ font-family:var(--font-mono); font-variant-numeric:tabular-nums; }

:focus-visible{ outline:2px solid var(--gold); outline-offset:2px; }

.eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--steel);
  display:flex;
  align-items:center;
  gap:8px;
}
.eyebrow::before{
  content:"";
  width:16px; height:1px;
  background:var(--gold);
}

.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:13px 26px;
  border-radius:var(--radius);
  font-weight:600;
  font-size:14.5px;
  border:1px solid transparent;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover{ transform:translateY(-1px); }
.btn-gold{
  background:linear-gradient(180deg, var(--gold-light), var(--gold));
  color:var(--navy-900);
  box-shadow:0 6px 18px rgba(201,162,39,.28);
}
.btn-gold:hover{ box-shadow:0 10px 22px rgba(201,162,39,.36); }
.btn-outline{
  background:transparent;
  border-color:rgba(255,255,255,.35);
  color:var(--white);
}
.btn-outline:hover{ background:rgba(255,255,255,.08); }
.btn-navy{
  background:var(--navy-700);
  color:var(--white);
}
.btn-navy:hover{ background:var(--navy-800); }

/* ---------------- topbar ---------------- */
.topbar{
  background:var(--navy-900);
  color:#C7D2E6;
  font-size:13px;
}
.topbar .container{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  align-items:center;
  min-height:38px;
  gap:4px 20px;
  padding-top:6px;
  padding-bottom:6px;
}
.topbar-links{ display:flex; flex-wrap:wrap; gap:8px 22px; }
.topbar-links span{ color:var(--gold-light); }
.topbar a:hover{ color:var(--white); }

/* ---------------- header / nav ---------------- */
header.site-header{
  background:var(--white);
  border-bottom:1px solid var(--line);
  position:sticky; top:0; z-index:50;
}
.nav-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:88px;
  gap:24px;
}
.brand{ display:flex; align-items:center; gap:14px; }
.brand img{ height:52px; width:auto; }
.brand-text{ line-height:1.15; }
.brand-text strong{
  font-family:var(--font-head);
  font-size:19px;
  font-weight:700;
  color:var(--ink);
  display:block;
}
.brand-text span{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--slate);
}
nav.main-nav{ display:flex; gap:34px; }
nav.main-nav a{
  font-size:14.5px;
  font-weight:600;
  color:var(--ink);
  padding:8px 0;
  position:relative;
}
nav.main-nav a::after{
  content:"";
  position:absolute; left:0; right:0; bottom:0;
  height:2px; background:var(--gold);
  transform:scaleX(0); transform-origin:left;
  transition:transform .2s ease;
}
nav.main-nav a:hover::after, nav.main-nav a.active::after{ transform:scaleX(1); }
.header-cta{ display:flex; align-items:center; gap:18px; }
.header-phone{ text-align:right; line-height:1.3; }
.header-phone .num{
  font-family:var(--font-mono);
  font-weight:600;
  font-size:16px;
  color:var(--navy-700);
}
.header-phone .lbl{ font-size:11.5px; color:var(--slate); }
.menu-toggle{
  display:none;
  background:none; border:none;
  width:40px; height:40px;
  align-items:center; justify-content:center;
}
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after{
  content:""; display:block; width:22px; height:2px; background:var(--ink);
  position:relative; transition:.2s;
}
.menu-toggle span::before{ position:absolute; top:-7px; }
.menu-toggle span::after{ position:absolute; top:7px; }

/* ---------------- ticker (signature element) ---------------- */
.ticker{
  background:var(--navy-900);
  border-top:1px solid rgba(255,255,255,.08);
  overflow:hidden;
  white-space:nowrap;
}
.ticker-track{
  display:inline-flex;
  align-items:center;
  gap:0;
  animation:scroll-left 38s linear infinite;
  padding:9px 0;
}
.ticker:hover .ticker-track{ animation-play-state:paused; }
.ticker-item{
  font-family:var(--font-mono);
  font-size:13px;
  color:#C7D2E6;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:0 22px;
  border-right:1px solid rgba(255,255,255,.12);
}
.ticker-item .code{ color:var(--white); font-weight:600; }
.ticker-item .up{ color:#7FD9A8; }
.ticker-item .down{ color:#F0A0A0; }
@keyframes scroll-left{
  from{ transform:translateX(0); }
  to{ transform:translateX(-50%); }
}
@media (prefers-reduced-motion: reduce){
  .ticker-track{ animation:none; overflow-x:auto; }
  .board-glow{ animation:none; opacity:.35; }
  .live-dot{ animation:none; }
  .board td.num.flash-up, .board td.num.flash-down{ animation:none; }
}

/* ---------------- hero ---------------- */
.hero{
  background:
    radial-gradient(1100px 480px at 82% -10%, rgba(44,95,168,.35), transparent 60%),
    linear-gradient(180deg, var(--navy-900), var(--navy-700) 130%);
  color:var(--white);
  position:relative;
  overflow:hidden;
}
.hero::before{
  /* faint peaks motif echoing the logo, without repeating it literally */
  content:"";
  position:absolute; inset:0;
  background-image:
    linear-gradient(115deg, transparent 46%, rgba(255,255,255,.035) 47%, transparent 48%),
    linear-gradient(65deg, transparent 62%, rgba(201,162,39,.05) 63%, transparent 64%);
  pointer-events:none;
}
.hero .container{
  position:relative;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  padding-top:76px;
  padding-bottom:76px;
  align-items:center;
}
.hero h1{
  font-size:44px;
  line-height:1.12;
  font-weight:700;
  margin:18px 0 20px;
  letter-spacing:-.02em;
}
.hero h1 em{
  font-style:normal;
  color:var(--gold-light);
}
.hero p.lead{
  font-size:17px;
  line-height:1.65;
  color:#C7D2E6;
  max-width:480px;
  margin-bottom:32px;
}
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; }
.hero-stats{
  display:flex;
  gap:34px;
  margin-top:44px;
  padding-top:28px;
  border-top:1px solid rgba(255,255,255,.14);
}
.hero-stats div strong{
  display:block;
  font-family:var(--font-mono);
  font-size:24px;
  color:var(--white);
}
.hero-stats div span{ font-size:12.5px; color:#9FB0CC; }

/* live board card in hero */
.board{
  background:var(--white);
  border-radius:8px;
  box-shadow:0 30px 60px rgba(0,0,0,.35);
  overflow:visible;
  color:var(--ink);
  position:relative;
  isolation:isolate;
  transition:transform .35s ease, box-shadow .35s ease;
}
.board:hover{
  transform:translateY(-3px);
  box-shadow:0 36px 70px rgba(0,0,0,.42);
}
/* animated conic glow ring — the "this is alive" signature cue */
@property --glow-angle{
  syntax:'<angle>'; initial-value:0deg; inherits:false;
}
.board-glow{
  position:absolute; inset:-1.5px;
  border-radius:9.5px;
  padding:1.5px;
  background:conic-gradient(from var(--glow-angle,0deg),
    transparent 0deg, rgba(201,162,39,.65) 35deg, transparent 85deg,
    transparent 210deg, rgba(44,95,168,.6) 255deg, transparent 305deg, transparent 360deg);
  -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;
  mask-composite:exclude;
  animation:board-glow-spin 7s linear infinite;
  pointer-events:none;
  z-index:0;
  border-radius:8px;
  overflow:hidden;
}
@keyframes board-glow-spin{ to{ --glow-angle:360deg; } }
.board-head, .board table, .board-foot{ position:relative; z-index:1; border-radius:inherit; }
.board{ overflow:hidden; }
.board-head{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 20px;
  background:var(--navy-900);
  color:var(--white);
}
.board-head h3{ font-size:14px; letter-spacing:.02em; }
.live-dot{
  width:8px; height:8px; border-radius:50%;
  background:#37D080;
  box-shadow:0 0 0 0 rgba(55,208,128,.6);
  animation:pulse 1.8s infinite;
  display:inline-block; margin-right:7px;
}
@keyframes pulse{
  0%{ box-shadow:0 0 0 0 rgba(55,208,128,.55); }
  70%{ box-shadow:0 0 0 8px rgba(55,208,128,0); }
  100%{ box-shadow:0 0 0 0 rgba(55,208,128,0); }
}
.board-updated{ font-family:var(--font-mono); font-size:11px; color:#9FB0CC; display:flex; align-items:center; gap:6px; }
.board-updated em{ font-style:normal; color:#6C8BB8; }
.board table{ width:100%; border-collapse:collapse; }
.board th{
  text-align:right;
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.06em;
  color:var(--slate-light);
  font-weight:600;
  padding:10px 20px 8px;
  border-bottom:1px solid var(--line);
}
.board th:first-child{ text-align:left; }
.board td{
  padding:11px 20px;
  border-bottom:1px solid var(--paper-dim);
  font-family:var(--font-mono);
  font-size:14px;
  text-align:right;
  transition:background-color .3s ease;
}
.board td:first-child{
  text-align:left;
  font-family:var(--font-body);
  font-weight:600;
}
.board td .code{ color:var(--slate); font-weight:400; font-size:12px; margin-left:6px;}
.board tr:last-child td{ border-bottom:none; }
.rate-up{ color:var(--up); }
.rate-down{ color:var(--down); }

/* flash feedback when a live value changes via polling */
.board td.num.flash-up{ animation:flash-up-bg 1.1s ease; }
.board td.num.flash-down{ animation:flash-down-bg 1.1s ease; }
@keyframes flash-up-bg{
  0%{ background-color:rgba(30,142,90,.22); color:var(--up); }
  100%{ background-color:transparent; }
}
@keyframes flash-down-bg{
  0%{ background-color:rgba(194,59,59,.2); color:var(--down); }
  100%{ background-color:transparent; }
}

.board-foot{
  padding:12px 20px;
  font-size:11.5px;
  color:var(--slate);
  background:var(--paper);
  border-top:1px solid var(--line);
  display:flex; align-items:center; gap:8px;
}
.board-foot a{ color:var(--steel); font-weight:600; }
.poll-dot{
  width:6px; height:6px; border-radius:50%;
  background:var(--slate-light);
  display:inline-block;
  transition:background-color .25s ease, box-shadow .25s ease;
}
.poll-dot.polling{
  background:var(--gold);
  box-shadow:0 0 0 3px rgba(201,162,39,.25);
}

/* ---------------- rates section (home) ---------------- */
.section{ padding:88px 0; }
.section-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  margin-bottom:40px;
  gap:24px;
  flex-wrap:wrap;
}
.section-head h2{ font-size:32px; margin-top:10px; }
.section-head p{ color:var(--slate); max-width:460px; font-size:15px; line-height:1.6; }

.rates-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px;
}
.rate-panel{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:6px;
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.rate-panel-head{
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 22px;
  border-bottom:1px solid var(--line);
}
.rate-panel-head h3{ font-size:16px; }
.rate-panel-head .tag{
  font-family:var(--font-mono);
  font-size:11px;
  color:var(--white);
  background:var(--navy-700);
  padding:4px 9px;
  border-radius:3px;
}
table.rate-table{ width:100%; border-collapse:collapse; }
.rate-table thead th{
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.06em;
  color:var(--slate-light);
  text-align:right;
  padding:10px 22px;
  border-bottom:1px solid var(--line);
}
.rate-table thead th:first-child{ text-align:left; }
.rate-table td{
  padding:13px 22px;
  border-bottom:1px solid var(--paper-dim);
  font-family:var(--font-mono);
  font-size:14.5px;
  text-align:right;
}
.rate-table td:first-child{
  text-align:left;
  font-family:var(--font-body);
}
.rate-table td:first-child b{ font-weight:600; }
.rate-table td:first-child .sub{ display:block; font-size:11.5px; color:var(--slate); font-family:var(--font-body); }
.rate-table tr:last-child td{ border-bottom:none; }
.rate-table tbody tr:hover{ background:var(--paper); }
.rates-note{
  padding:14px 22px;
  font-size:12.5px;
  color:var(--slate);
  background:var(--paper);
  border-top:1px solid var(--line);
}
.rates-note a{ color:var(--steel); font-weight:600; }
.rates-status{ font-size:12.5px; color:var(--slate); margin-top:6px; }
.rates-status.err{ color:var(--down); }

/* ---------------- services ---------------- */
.services-grid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:24px;
}
.service-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:6px;
  padding:28px 24px;
  box-shadow:var(--shadow-card);
}
.service-card .num{
  font-family:var(--font-mono);
  color:var(--gold);
  font-size:12px;
  letter-spacing:.08em;
}
.service-card h3{ font-size:17px; margin:14px 0 10px; }
.service-card p{ font-size:14px; color:var(--slate); line-height:1.6; }

/* ---------------- why us ---------------- */
.why{ background:var(--white); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.why-grid{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:60px;
  align-items:center;
}
.why-list{ display:flex; flex-direction:column; gap:22px; margin-top:26px; }
.why-item{ display:flex; gap:16px; }
.why-item .mark{
  width:34px; height:34px; border-radius:50%;
  background:var(--paper-dim);
  border:1px solid var(--line);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-mono);
  color:var(--navy-700);
  font-size:13px;
  flex:none;
}
.why-item h4{ font-size:15.5px; margin-bottom:4px; }
.why-item p{ font-size:14px; color:var(--slate); line-height:1.55; }
.why-panel{
  background:var(--navy-900);
  border-radius:8px;
  padding:40px;
  color:var(--white);
}
.why-panel .eyebrow{ color:var(--gold-light); }
.why-panel .eyebrow::before{ background:var(--gold-light); }
.why-panel h3{ font-size:22px; margin:14px 0 16px; }
.why-panel p{ color:#C7D2E6; font-size:14.5px; line-height:1.7; margin-bottom:26px; }

/* ---------------- CTA / kurumsal form teaser ---------------- */
.cta-strip{
  background:linear-gradient(120deg, var(--navy-800), var(--navy-700));
  color:var(--white);
}
.cta-strip .container{
  display:flex; align-items:center; justify-content:space-between;
  padding:48px 32px;
  gap:24px; flex-wrap:wrap;
}
.cta-strip h3{ font-size:22px; margin-bottom:8px; }
.cta-strip p{ color:#C7D2E6; font-size:14.5px; max-width:480px; }

/* ---------------- contact ---------------- */
.contact-grid{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:48px;
}
.contact-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:6px;
  box-shadow:var(--shadow-card);
  padding:32px;
}
.contact-card .row{
  display:flex; gap:16px;
  padding:16px 0;
  border-bottom:1px solid var(--paper-dim);
}
.contact-card .row:last-child{ border-bottom:none; }
.contact-card .row .ic{
  width:38px; height:38px; border-radius:50%;
  background:var(--paper-dim); color:var(--navy-700);
  display:flex; align-items:center; justify-content:center;
  flex:none; font-family:var(--font-mono); font-size:13px;
}
.contact-card .row h4{ font-size:13.5px; color:var(--slate); text-transform:uppercase; letter-spacing:.04em; margin-bottom:3px; }
.contact-card .row p{ font-size:15px; font-weight:600; }
.contact-card .row .kep{ font-family:var(--font-mono); font-weight:500; font-size:14px; }
.map-embed{
  border-radius:6px;
  overflow:hidden;
  border:1px solid var(--line);
  min-height:100%;
}
.map-embed iframe{ width:100%; height:100%; min-height:380px; border:0; display:block; }

/* ---------------- footer ---------------- */
footer{
  background:var(--navy-900);
  color:#9FB0CC;
  padding:56px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr .8fr .8fr 1fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{ display:flex; gap:12px; align-items:flex-start; margin-bottom:16px; }
.footer-brand img{ height:38px; width:auto; filter:brightness(0) invert(1); opacity:.92; }
.footer-brand strong{ color:var(--white); font-family:var(--font-head); font-size:16px; }
footer p{ font-size:13.5px; line-height:1.65; max-width:280px; }
footer h5{
  color:var(--white); font-family:var(--font-head); font-size:13px;
  text-transform:uppercase; letter-spacing:.06em; margin-bottom:16px;
}
footer ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:11px; }
footer ul a{ font-size:14px; }
footer ul a:hover{ color:var(--white); }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center;
  padding:20px 0; font-size:12.5px;
}

/* ---------------- responsive ---------------- */
@media (max-width:980px){
  .hero .container{ grid-template-columns:1fr; }
  .rates-grid{ grid-template-columns:1fr; }
  .services-grid{ grid-template-columns:repeat(2,1fr); }
  .why-grid{ grid-template-columns:1fr; }
  .contact-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width:760px){
  .menu-toggle{ display:flex; }
  nav.main-nav{
    position:absolute; top:88px; left:0; right:0;
    background:var(--white);
    flex-direction:column; gap:0;
    border-bottom:1px solid var(--line);
    display:none;
  }
  nav.main-nav.open{ display:flex; }
  nav.main-nav a{ padding:16px 32px; border-bottom:1px solid var(--paper-dim); }
  .header-phone{ display:none; }
  .hero h1{ font-size:32px; }
  .services-grid{ grid-template-columns:1fr; }
  .cta-strip .container{ flex-direction:column; align-items:flex-start; }
  .footer-grid{ grid-template-columns:1fr; }
}

/* ---------------- forms (registration page) ---------------- */
.form-shell{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:8px;
  box-shadow:var(--shadow-card);
  padding:44px;
  max-width:760px;
  margin:0 auto;
}
.form-shell h2{ font-size:26px; }
.form-shell > p.lead{ color:var(--slate); font-size:14.5px; margin-top:10px; max-width:520px; }
fieldset{
  border:none; padding:0; margin:36px 0 0;
}
fieldset legend{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--steel);
  padding:0 0 14px;
  border-bottom:1px solid var(--line);
  width:100%;
  margin-bottom:22px;
}
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.form-grid .full{ grid-column:1 / -1; }
.field label{
  display:block; font-size:13px; font-weight:600; margin-bottom:7px; color:var(--ink);
}
.field .req{ color:var(--down); }
.field input, .field select, .field textarea{
  width:100%;
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:4px;
  font-family:var(--font-body);
  font-size:14.5px;
  color:var(--ink);
  background:var(--paper);
  transition:border-color .15s, background .15s;
}
.field input:focus, .field select:focus, .field textarea:focus{
  border-color:var(--steel);
  background:var(--white);
  outline:none;
}
.field textarea{ resize:vertical; min-height:90px; }
.field-hint{ font-size:12px; color:var(--slate); margin-top:6px; }
.consent{
  display:flex; gap:12px; align-items:flex-start;
  padding:18px 18px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:4px;
  margin-top:30px;
}
.consent input{ margin-top:3px; }
.consent label{ font-size:13px; color:var(--slate); line-height:1.6; }
.consent a{ color:var(--steel); font-weight:600; }
.form-actions{
  display:flex; align-items:center; justify-content:space-between;
  margin-top:32px; flex-wrap:wrap; gap:16px;
}
.form-note{ font-size:12.5px; color:var(--slate-light); }
.form-success{
  display:none;
  margin-top:24px;
  padding:16px 18px;
  border-radius:4px;
  background:#EAF7EF;
  border:1px solid #BFE6CD;
  color:#1E6B41;
  font-size:14px;
}
.form-success.show{ display:block; }
.breadcrumb{
  font-size:13px; color:var(--slate); margin-bottom:22px;
  display:flex; gap:8px; align-items:center;
}
.breadcrumb a{ color:var(--steel); font-weight:600; }
.page-hero{
  background:var(--navy-900);
  color:var(--white);
  padding:52px 0;
}
.page-hero .eyebrow{ color:var(--gold-light); }
.page-hero .eyebrow::before{ background:var(--gold-light); }
.page-hero h1{ font-size:30px; margin-top:12px; }
.page-hero p{ color:#C7D2E6; margin-top:10px; max-width:520px; font-size:14.5px; }