/* ============================================================
   IMPROSAT — design system
   Brand navy #162866 · light theme · Space Grotesk + Inter
   ============================================================ */
:root {
  --navy: #162866;
  --navy-deep: #0d1740;
  --navy-soft: #2a3f86;
  --cyan: #1f8fd6;          /* measured technical accent */
  --cyan-soft: #e4f1fb;
  --ink: #14203f;
  --muted: #586189;
  --muted-2: #8a93b4;
  --bg: #ffffff;
  --bg-soft: #f6f8fc;
  --bg-soft-2: #eef2fa;
  --line: #e3e8f3;
  --line-strong: #ccd5ea;
  --white: #ffffff;

  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;

  --shadow-sm: 0 1px 2px rgba(16,28,72,.05);
  --shadow-md: 0 14px 40px -20px rgba(16,28,72,.30);
  --shadow-lg: 0 30px 70px -32px rgba(16,28,72,.42);

  --utility-h: 38px;
  --header-h: 92px;
  --total-h: calc(var(--utility-h) + var(--header-h));

  --maxw: 1240px;
  --ease: cubic-bezier(.4,0,.15,1);

  --ff-head: 'Space Grotesk', system-ui, sans-serif;
  --ff-body: 'Inter', system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--ff-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16.5px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body { overflow-x: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 4px; }

h1,h2,h3,h4 { font-family: var(--ff-head); font-weight: 600; line-height: 1.08; color: var(--navy); letter-spacing: -.01em; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }

/* eyebrow / section label */
.eyebrow {
  font-family: var(--ff-head);
  font-size: 12.5px; font-weight: 600;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--cyan);
  display: inline-flex; align-items: center; gap: 11px;
}
.eyebrow::before { content: ''; width: 26px; height: 2px; background: var(--cyan); display: inline-block; }
.eyebrow.center::before { display: none; }

/* ============================ UTILITY BAR ============================ */
.utility {
  position: relative; z-index: 60;
  height: var(--utility-h);
  background: var(--navy-deep);
  color: rgba(255,255,255,.92);
}
.utility .wrap { height: 100%; display: flex; align-items: center; justify-content: flex-end; gap: 16px; }
.ssb-badge { display: flex; align-items: center; gap: 12px; min-width: 0; }
.ssb-badge img { height: 24px; width: auto; flex: 0 0 auto; }
.ssb-badge span {
  font-size: 12px; letter-spacing: .02em; color: rgba(255,255,255,.86);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.lang-switch { display: inline-flex; align-items: center; gap: 2px; flex: 0 0 auto; }
.lang-switch button {
  font-family: var(--ff-head); font-size: 12.5px; font-weight: 600; letter-spacing: .05em;
  color: rgba(255,255,255,.55); padding: 4px 8px; border-radius: 6px; transition: color .2s;
}
.lang-switch button.active { color: #fff; }
.lang-switch button:hover { color: #fff; }
.lang-switch .sep { color: rgba(255,255,255,.3); font-size: 12px; }

/* ============================ HEADER ============================ */
.site-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header-h);
  background: rgba(255,255,255,.9);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { height: 100%; display: flex; align-items: center; gap: 28px; }
.brand { flex: 0 0 auto; display: flex; align-items: center; }
.brand img { height: 54px; width: auto; }
.brand .tag { display: none; }

.nav { margin-left: auto; display: flex; align-items: center; gap: 2px; }
.nav-item { position: relative; }
.nav-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; font-weight: 500; color: var(--ink);
  padding: 9px 11px; border-radius: 8px; white-space: nowrap;
  transition: color .18s, background .18s;
}
.nav-link:hover { color: var(--navy); background: var(--bg-soft); }
.nav-link.active { color: var(--navy); font-weight: 600; }
.nav-link .chev { width: 9px; height: 9px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg) translateY(-2px); transition: transform .2s; opacity: .65; }
.nav-link .ext { width: 11px; height: 11px; opacity: .5; }
.nav-item:hover .nav-link .chev { transform: rotate(-135deg) translateY(-1px); }

/* dropdown */
.dropdown {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(8px);
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-md);
  box-shadow: var(--shadow-lg); padding: 8px; width: 320px;
  opacity: 0; visibility: hidden; transition: all .22s var(--ease); z-index: 70;
}
.nav-item:hover .dropdown,
.nav-item:focus-within .dropdown { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.dropdown::before { content: ''; position: absolute; bottom: 100%; left: 0; right: 0; height: 14px; }
.dropdown a {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 11px 13px; border-radius: 9px; transition: background .15s;
}
.dropdown a:hover { background: var(--bg-soft); }
.dd-num { font-family: var(--ff-head); font-size: 12px; font-weight: 600; color: var(--cyan); padding-top: 2px; min-width: 18px; }
.dd-text { font-size: 14px; font-weight: 500; color: var(--ink); line-height: 1.35; }

.header-tools { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.btn-mini {
  font-family: var(--ff-head); font-size: 13.5px; font-weight: 600;
  color: #fff; background: var(--navy); padding: 9px 16px; border-radius: 8px;
  transition: background .2s, transform .2s;
}
.btn-mini:hover { background: var(--navy-soft); }

/* hamburger */
.burger { display: none; width: 42px; height: 42px; border-radius: 9px; align-items: center; justify-content: center; flex-direction: column; gap: 5px; border: 1px solid var(--line); }
.burger span { width: 19px; height: 2px; background: var(--navy); border-radius: 2px; transition: .25s; }
body.menu-open .burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.menu-open .burger span:nth-child(2) { opacity: 0; }
body.menu-open .burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================ BUTTONS ============================ */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--ff-head); font-weight: 600; font-size: 15px;
  padding: 14px 26px; border-radius: 10px; transition: all .22s var(--ease);
  letter-spacing: .005em; white-space: nowrap;
}
.btn .arr { width: 16px; height: 16px; transition: transform .25s; }
.btn:hover .arr { transform: translateX(4px); }
.btn-primary { background: var(--navy); color: #fff; box-shadow: 0 10px 26px -12px rgba(22,40,102,.7); }
.btn-primary:hover { background: var(--navy-soft); transform: translateY(-1px); }
.btn-ghost { background: rgba(255,255,255,.08); color: #fff; border: 1px solid rgba(255,255,255,.4); backdrop-filter: blur(4px); }
.btn-ghost:hover { background: rgba(255,255,255,.18); border-color: #fff; }
.btn-outline { background: #fff; color: var(--navy); border: 1.5px solid var(--line-strong); }
.btn-outline:hover { border-color: var(--navy); }

/* ============================ HERO (home) ============================ */
.hero {
  position: relative; height: calc(100dvh - var(--total-h));
  min-height: 540px; overflow: hidden; background: var(--navy-deep);
}
.hero-slides { position: absolute; inset: 0; }
.hero-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.6s var(--ease); }
.hero-slide.active { opacity: 1; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.06); animation: kenburns 8s linear forwards; }
.hero-slide.active img { animation: kenburns 8s linear forwards; }
@keyframes kenburns { from { transform: scale(1.02); } to { transform: scale(1.12); } }
.hero-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(8,15,42,.92) 0%, rgba(8,15,42,.72) 42%, rgba(8,15,42,.30) 78%, rgba(8,15,42,.45) 100%),
    linear-gradient(0deg, rgba(8,15,42,.78) 0%, rgba(8,15,42,0) 38%);
}
.hero-grid { position: absolute; inset: 0; 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: 64px 64px; mask-image: radial-gradient(circle at 30% 40%, #000, transparent 75%); }
.hero-content { position: relative; z-index: 3; height: 100%; display: flex; flex-direction: column; justify-content: center; }
.hero .eyebrow { color: #6cc5f4; }
.hero .eyebrow::before { background: #6cc5f4; }
.hero h1 {
  color: #fff; font-size: clamp(34px, 5.4vw, 70px); font-weight: 600;
  margin: 20px 0 22px; max-width: 16ch; white-space: pre-line; line-height: 1.04;
}
.hero p.sub { color: rgba(255,255,255,.82); font-size: clamp(15px, 1.5vw, 19px); max-width: 56ch; line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }

.hero-cards { position: absolute; left: 0; right: 0; bottom: 28px; z-index: 3; }
.hero-cards .wrap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.hc {
  display: flex; align-items: center; gap: 16px;
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.16);
  backdrop-filter: blur(10px); border-radius: var(--r-md); padding: 16px 20px;
  transition: background .25s, border-color .25s;
}
.hc:hover { background: rgba(255,255,255,.13); border-color: rgba(255,255,255,.35); }
.hc .num { font-family: var(--ff-head); font-size: 13px; font-weight: 600; color: #6cc5f4; letter-spacing: .08em; }
.hc .t { color: #fff; font-family: var(--ff-head); font-weight: 600; font-size: 16px; line-height: 1.15; }
.hc .d { color: rgba(255,255,255,.66); font-size: 12.5px; margin-top: 3px; }
.hc .bar { width: 1px; align-self: stretch; background: rgba(255,255,255,.18); }

.hero-loc {
  position: absolute; right: 30px; top: 24px; z-index: 3;
  display: flex; align-items: center; gap: 8px;
  font-family: var(--ff-head); font-size: 12px; letter-spacing: .06em; color: rgba(255,255,255,.7);
  background: rgba(8,15,42,.4); border: 1px solid rgba(255,255,255,.16); padding: 7px 13px; border-radius: 999px;
  backdrop-filter: blur(6px);
}
.hero-loc .dot { width: 7px; height: 7px; border-radius: 50%; background: #56d58a; box-shadow: 0 0 0 3px rgba(86,213,138,.25); }

/* ============================ PAGE SHELL ============================ */
.page { animation: fadeUp .5s var(--ease); }
@keyframes fadeUp { from { transform: translateY(14px); } to { transform: none; } }

.page-hero { background: var(--bg-soft); border-bottom: 1px solid var(--line); padding: 56px 0 48px; position: relative; overflow: hidden; }
.page-hero::after { content: ''; position: absolute; right: -120px; top: -120px; width: 380px; height: 380px; border-radius: 50%; background: radial-gradient(circle, rgba(31,143,214,.10), transparent 70%); }
.page-hero .crumb { font-size: 13px; color: var(--muted); margin-bottom: 18px; }
.page-hero .crumb a:hover { color: var(--navy); }
.page-hero h1 { font-size: clamp(30px, 4.4vw, 50px); margin-top: 14px; }
.page-hero .lede { color: var(--muted); font-size: 18px; max-width: 64ch; margin-top: 16px; }

.section { padding: 72px 0; }
.section.tight { padding: 52px 0; }

/* two-column text + media */
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.split.reverse > .media { order: -1; }
.media { position: relative; border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-md); border: 1px solid var(--line); }
.media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; }
.media .frame-tag {
  position: absolute; left: 14px; bottom: 14px; z-index: 2;
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--ff-head); font-size: 11.5px; letter-spacing: .05em; color: #fff;
  background: rgba(8,15,42,.6); border: 1px solid rgba(255,255,255,.2); padding: 6px 11px; border-radius: 999px; backdrop-filter: blur(6px);
}
.media .frame-tag .dot { width: 6px; height: 6px; border-radius: 50%; background: #6cc5f4; }
.prose p { color: var(--muted); font-size: 17.5px; line-height: 1.72; }
.prose p + p { margin-top: 18px; }

/* list with ticks */
.tick-list { display: grid; gap: 14px; margin-top: 8px; }
.tick-list li { display: flex; gap: 14px; align-items: flex-start; font-size: 16.5px; color: var(--ink); }
.tick-list .ic { flex: 0 0 auto; width: 26px; height: 26px; border-radius: 7px; background: var(--cyan-soft); color: var(--navy); display: grid; place-items: center; margin-top: 1px; }
.tick-list .ic svg { width: 14px; height: 14px; }

.intro-lead { font-family: var(--ff-head); font-weight: 500; font-size: 19px; color: var(--navy); margin-bottom: 24px; }

/* ============================ GÖKTÜRK datasheet ============================ */
.tabs-bar { display: inline-flex; gap: 4px; background: var(--bg-soft); border: 1px solid var(--line); padding: 5px; border-radius: 12px; margin-bottom: 36px; }
.tab-btn { font-family: var(--ff-head); font-weight: 600; font-size: 15px; color: var(--muted); padding: 11px 24px; border-radius: 8px; transition: all .2s; }
.tab-btn:hover { color: var(--navy); }
.tab-btn.active { background: var(--navy); color: #fff; box-shadow: var(--shadow-sm); }
.tab-panel { display: none; animation: fadeUp .4s var(--ease); }
.tab-panel.active { display: block; }

.spec-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.spec {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 24px 26px; transition: border-color .2s, box-shadow .2s; position: relative; overflow: hidden;
}
.spec::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--cyan); opacity: 0; transition: opacity .2s; }
.spec:hover { border-color: var(--line-strong); box-shadow: var(--shadow-md); }
.spec:hover::before { opacity: 1; }
.spec .term { font-family: var(--ff-head); font-size: 12.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }
.spec .big { font-family: var(--ff-head); font-size: 28px; font-weight: 600; color: var(--navy); }
.spec ul { display: grid; gap: 9px; }
.spec ul li { font-size: 14.5px; color: var(--ink); padding-left: 16px; position: relative; line-height: 1.5; }
.spec ul li::before { content: ''; position: absolute; left: 0; top: 9px; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); }
.spec.mono ul li { font-family: var(--ff-head); letter-spacing: .01em; font-size: 15px; }
.spec.span2 { grid-column: span 2; }

.mode-list { display: grid; gap: 16px; }
.mode {
  display: grid; grid-template-columns: 150px 1fr; gap: 28px; align-items: start;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-md); padding: 26px 28px; transition: box-shadow .2s, border-color .2s;
}
.mode:hover { box-shadow: var(--shadow-md); border-color: var(--line-strong); }
.mode .mname { font-family: var(--ff-head); font-weight: 600; font-size: 19px; color: var(--navy); letter-spacing: .04em; display: flex; flex-direction: column; gap: 6px; }
.mode .mname .mn { font-size: 12px; color: var(--cyan); letter-spacing: .12em; }
.mode .mdesc { color: var(--muted); font-size: 15.5px; line-height: 1.65; }

.level-list { display: grid; gap: 10px; }
.level { display: grid; grid-template-columns: 88px 1fr; gap: 24px; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 16px 22px; transition: all .18s; }
.level:hover { border-color: var(--cyan); background: var(--bg-soft); }
.level .code { font-family: var(--ff-head); font-weight: 700; font-size: 17px; color: #fff; background: var(--navy); border-radius: 7px; padding: 7px 0; text-align: center; letter-spacing: .03em; }
.level .ld { font-size: 15px; color: var(--ink); line-height: 1.5; }
.note-line { margin-top: 24px; padding: 16px 22px; background: var(--cyan-soft); border-radius: 10px; color: var(--navy); font-size: 15px; display: flex; gap: 12px; align-items: center; }
.note-line svg { flex: 0 0 auto; width: 18px; height: 18px; }

/* media block (video/pdf) */
.media-block { background: var(--navy-deep); border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.media-block video { width: 100%; display: block; background: #000; }
.media-block .vidfallback { aspect-ratio: 16/9; display: grid; place-items: center; color: rgba(255,255,255,.7); padding: 30px; text-align: center; gap: 14px; }

/* service type chips */
.chip-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.chip {
  display: flex; align-items: center; gap: 13px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 18px 18px; transition: all .2s; cursor: default;
}
.chip:hover { border-color: var(--navy); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.chip .ci { flex: 0 0 auto; width: 40px; height: 40px; border-radius: 10px; background: var(--bg-soft-2); color: var(--navy); display: grid; place-items: center; transition: all .2s; }
.chip:hover .ci { background: var(--navy); color: #fff; }
.chip .ci svg { width: 20px; height: 20px; }
.chip .cn { font-family: var(--ff-head); font-weight: 600; font-size: 14.5px; color: var(--ink); line-height: 1.2; }

/* ============================ CONTACT ============================ */
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 48px; align-items: start; }
.info-card { background: var(--navy); color: #fff; border-radius: var(--r-lg); padding: 38px; box-shadow: var(--shadow-lg); position: relative; overflow: hidden; }
.info-card::after { content: ''; position: absolute; right: -80px; bottom: -80px; width: 240px; height: 240px; border-radius: 50%; border: 1px solid rgba(255,255,255,.12); }
.info-card::before { content: ''; position: absolute; right: -40px; bottom: -40px; width: 160px; height: 160px; border-radius: 50%; border: 1px solid rgba(255,255,255,.12); }
.info-card .eyebrow { color: #6cc5f4; }
.info-card .eyebrow::before { background: #6cc5f4; }
.info-item { display: flex; gap: 16px; padding: 20px 0; border-bottom: 1px solid rgba(255,255,255,.12); position: relative; z-index: 2; }
.info-item:last-child { border-bottom: none; }
.info-item .ii { flex: 0 0 auto; width: 40px; height: 40px; border-radius: 10px; background: rgba(255,255,255,.1); display: grid; place-items: center; }
.info-item .ii svg { width: 19px; height: 19px; color: #6cc5f4; }
.info-item .il { font-family: var(--ff-head); font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.6); margin-bottom: 4px; }
.info-item .iv { font-size: 15px; color: #fff; line-height: 1.5; }
.info-item .iv a:hover { color: #6cc5f4; }

.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 38px; box-shadow: var(--shadow-md); }
.form-card h2 { font-size: 25px; }
.form-card .fc-body { color: var(--muted); font-size: 15.5px; margin: 14px 0 28px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-family: var(--ff-head); font-size: 13px; font-weight: 500; color: var(--ink); margin-bottom: 7px; }
.field input, .field select, .field textarea {
  width: 100%; font-family: var(--ff-body); font-size: 15px; color: var(--ink);
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 10px; padding: 13px 15px; transition: all .18s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--cyan); background: #fff; box-shadow: 0 0 0 4px rgba(31,143,214,.12); }
.field textarea { resize: vertical; min-height: 120px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-msg { background: var(--cyan-soft); color: var(--navy); border-radius: 10px; padding: 14px 18px; font-size: 15px; margin-top: 16px; display: none; }
.form-msg.show { display: block; animation: fadeUp .35s var(--ease); }
.full-width-btn { width: 100%; justify-content: center; }

.map-embed { border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.map-embed iframe { width: 100%; height: 360px; border: 0; display: block; }

/* PDF */
.pdf-frame { border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-md); background: var(--bg-soft); }
.pdf-frame iframe { width: 100%; height: 78vh; min-height: 560px; border: 0; display: block; }
.steps { display: grid; gap: 16px; counter-reset: step; margin-bottom: 28px; }
.step { display: flex; gap: 16px; align-items: flex-start; }
.step .sn { flex: 0 0 auto; width: 34px; height: 34px; border-radius: 50%; background: var(--navy); color: #fff; font-family: var(--ff-head); font-weight: 600; display: grid; place-items: center; font-size: 15px; }
.step .st { font-size: 16px; color: var(--ink); line-height: 1.6; padding-top: 4px; }

/* ============================ CTA band ============================ */
.cta-band { background: var(--navy); color: #fff; border-radius: var(--r-lg); padding: 52px 56px; display: flex; align-items: center; justify-content: space-between; gap: 32px; position: relative; overflow: hidden; }
.cta-band::after { content: ''; position: absolute; inset: 0; 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: 48px 48px; mask-image: radial-gradient(circle at 80% 30%, #000, transparent 70%); }
.cta-band .ct { position: relative; z-index: 2; }
.cta-band h2 { color: #fff; font-size: 30px; max-width: 22ch; }
.cta-band p { color: rgba(255,255,255,.75); margin-top: 10px; font-size: 16px; }
.cta-band .btn { position: relative; z-index: 2; }

/* ============================ FOOTER ============================ */
.site-footer { background: var(--bg-soft); border-top: 1px solid var(--line); padding: 44px 0 0; }
.footer-main { display: grid; grid-template-columns: 1fr 1.25fr auto; gap: 44px; align-items: start; padding-bottom: 30px; }
.f-brand img { height: 46px; }
.f-brand p { color: var(--muted); font-size: 13.5px; margin-top: 16px; max-width: 28ch; line-height: 1.55; }
.f-contact { display: grid; gap: 13px; }
.fc-item { display: flex; gap: 11px; align-items: flex-start; font-size: 14px; color: var(--muted); }
.fc-item svg { width: 17px; height: 17px; flex: 0 0 auto; color: var(--navy); margin-top: 2px; }
.fc-item a:hover, .fc-item span { color: var(--muted); }
.fc-item a { color: var(--muted); }
.fc-item a:hover { color: var(--navy); }
.f-right h4 { font-family: var(--ff-head); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--navy); margin-bottom: 13px; }
.f-social { display: flex; gap: 10px; }
.f-social a { width: 38px; height: 38px; border-radius: 9px; background: #fff; border: 1px solid var(--line); display: grid; place-items: center; color: var(--navy); transition: all .2s; }
.f-social a:hover { background: var(--navy); color: #fff; border-color: var(--navy); }
.f-social svg { width: 17px; height: 17px; }
.footer-bottom { border-top: 1px solid var(--line); padding: 18px 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-bottom p { font-size: 12.5px; color: var(--muted-2); }
.fb-ssb { display: flex; align-items: center; gap: 10px; font-size: 12.5px; color: var(--muted); }
.fb-ssb img { height: 26px; flex: 0 0 auto; }

/* ============================ MOBILE MENU ============================ */
.mobile-menu { position: fixed; inset: var(--total-h) 0 0 0; background: #fff; z-index: 45; transform: translateX(100%); transition: transform .3s var(--ease); overflow-y: auto; padding: 24px 0 60px; }
body.menu-open .mobile-menu { transform: none; }
.mobile-menu .wrap { display: grid; gap: 4px; }
.mm-link { display: flex; align-items: center; justify-content: space-between; font-family: var(--ff-head); font-weight: 600; font-size: 19px; color: var(--ink); padding: 16px 4px; border-bottom: 1px solid var(--line); }
.mm-link.active { color: var(--cyan); }
.mm-sub { padding: 6px 0 10px 14px; display: grid; gap: 2px; }
.mm-sub a { font-family: var(--ff-body); font-weight: 500; font-size: 15px; color: var(--muted); padding: 9px 4px; }
.mm-sub a:hover { color: var(--navy); }
.mm-group-label { font-family: var(--ff-head); font-weight: 600; font-size: 19px; color: var(--ink); padding: 16px 4px 4px; }
.mm-cta { margin-top: 22px; }

/* ============================ RESPONSIVE ============================ */
@media (max-width: 1080px) {
  .nav { display: none; }
  .header-tools .btn-mini { display: none; }
  .burger { display: flex; }
  .ssb-badge span { font-size: 11px; }
}
@media (max-width: 920px) {
  .split { grid-template-columns: 1fr; gap: 32px; }
  .split.reverse > .media { order: 0; }
  .contact-grid { grid-template-columns: 1fr; gap: 28px; }
  .spec-grid { grid-template-columns: 1fr; }
  .spec.span2 { grid-column: auto; }
  .chip-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 28px; }
  .f-brand { grid-column: 1 / -1; }
  .cta-band { flex-direction: column; align-items: flex-start; padding: 40px 32px; }
  .hero-cards { display: none; }
  .mode { grid-template-columns: 1fr; gap: 10px; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 20px; }
  :root { --header-h: 74px; }
  .brand img { height: 40px; }
  .ssb-badge span { display: none; }
  .ssb-badge::after { content: 'SSB %100 İştiraki'; font-size: 11px; color: rgba(255,255,255,.8); }
  .section { padding: 52px 0; }
  .field-row { grid-template-columns: 1fr; }
  .chip-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; }
  .page-hero { padding: 40px 0 36px; }
  .info-card, .form-card { padding: 26px; }
}

/* ============================ SATELLITE TRACKER ============================ */
.tracker { display: grid; gap: 22px; }

.tracker-map-wrap {
  position: relative; height: 640px;
  border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--line); box-shadow: var(--shadow-lg);
  background: var(--navy-deep);
}
.tracker-map { position: absolute; inset: 0; background: var(--navy-deep); }
.tracker-map .leaflet-control-attribution { font-size: 10px; background: rgba(8,15,42,.6); color: rgba(255,255,255,.55); }
.tracker-map .leaflet-control-attribution a { color: rgba(108,197,244,.8); }
.tracker-map .leaflet-bar a { background: rgba(8,15,42,.82); color: #fff; border-color: rgba(255,255,255,.16); }
.tracker-map .leaflet-bar a:hover { background: rgba(31,143,214,.55); }

/* status badge */
.map-status {
  position: absolute; top: 14px; left: 14px; z-index: 500;
  display: inline-flex; align-items: center; gap: 9px;
  background: rgba(8,15,42,.8); border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(8px); padding: 8px 14px; border-radius: 999px;
  font-family: var(--ff-head); font-size: 11.5px; letter-spacing: .1em; color: #fff; white-space: nowrap;
}
.map-status .dot { width: 8px; height: 8px; border-radius: 50%; background: #56d58a; box-shadow: 0 0 0 3px rgba(86,213,138,.22); animation: satpulse 1.8s ease-in-out infinite; }
.map-status.offline .dot { background: #f0a93a; box-shadow: 0 0 0 3px rgba(240,169,58,.22); }
.map-status.loading .dot { background: #6cc5f4; box-shadow: 0 0 0 3px rgba(108,197,244,.22); }
@keyframes satpulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }

/* controls */
.map-controls { position: absolute; top: 14px; right: 14px; z-index: 500; display: flex; flex-direction: column; gap: 8px; align-items: flex-end; }
.map-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(8,15,42,.8); border: 1px solid rgba(255,255,255,.18); backdrop-filter: blur(8px);
  color: #fff; font-family: var(--ff-head); font-size: 12.5px; font-weight: 600;
  padding: 9px 14px; border-radius: 9px; transition: all .18s var(--ease); white-space: nowrap;
}
.map-btn svg { width: 14px; height: 14px; }
.map-btn:hover { background: rgba(31,143,214,.5); border-color: #6cc5f4; }
.map-btn.active { background: var(--cyan); border-color: var(--cyan); }

/* legend */
.map-legend {
  position: absolute; left: 14px; bottom: 14px; z-index: 500;
  background: rgba(8,15,42,.8); border: 1px solid rgba(255,255,255,.16);
  backdrop-filter: blur(8px); border-radius: 11px; padding: 12px 15px; display: grid; gap: 9px;
}
.lg-row { display: flex; align-items: center; gap: 10px; font-size: 12px; color: rgba(255,255,255,.85); white-space: nowrap; }
.lg-row .sw-line { width: 18px; height: 0; border-top: 2px dashed var(--cyan); }
.lg-row .sw-sat { display: grid; place-items: center; width: 16px; height: 16px; color: #6cc5f4; }
.lg-row .sw-sat svg { width: 16px; height: 16px; }
.lg-row .sw-foot { width: 13px; height: 13px; border-radius: 50%; border: 1.5px solid rgba(108,197,244,.7); background: rgba(108,197,244,.14); }

/* satellite marker */
.sat-icon { position: relative; }
.sat-icon svg { position: absolute; left: 50%; top: 50%; width: 27px; height: 27px; transform: translate(-50%,-50%); color: #aadcf8; filter: drop-shadow(0 0 7px rgba(108,197,244,.95)); }
.sat-icon .ring { position: absolute; left: 50%; top: 50%; width: 16px; height: 16px; transform: translate(-50%,-50%); border-radius: 50%; border: 2px solid rgba(108,197,244,.65); animation: satring 2.6s ease-out infinite; }
@keyframes satring { 0% { width: 16px; height: 16px; opacity: .8; } 100% { width: 56px; height: 56px; opacity: 0; } }

/* telemetry readout (below map, full width) */
.tracker-readout {
  background: var(--navy); color: #fff; border-radius: var(--r-lg);
  padding: 28px 30px; box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column; gap: 20px; position: relative; overflow: hidden;
}
.tracker-readout::after { content: ''; position: absolute; right: -90px; top: -90px; width: 240px; height: 240px; border-radius: 50%; border: 1px solid rgba(255,255,255,.1); pointer-events: none; }
.tracker-readout .eyebrow { color: #6cc5f4; position: relative; z-index: 2; }
.tracker-readout .eyebrow::before { background: #6cc5f4; }

.readout-head { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; position: relative; z-index: 2; }
.identity-inline { display: flex; flex-wrap: wrap; gap: 9px; }
.id-chip { display: inline-flex; align-items: baseline; gap: 8px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.13); border-radius: 999px; padding: 7px 15px; }
.id-chip .k { font-family: var(--ff-head); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.55); }
.id-chip .vv { font-family: var(--ff-head); font-size: 13.5px; font-weight: 600; color: #fff; letter-spacing: .02em; }

.tele-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 1px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.1); border-radius: var(--r-md); overflow: hidden; position: relative; z-index: 2; }
.tele-cell { background: var(--navy); padding: 16px 18px; }
.tele-cell .l { font-family: var(--ff-head); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.55); }
.tele-cell .v { font-family: var(--ff-head); font-size: 21px; font-weight: 600; color: #fff; margin-top: 7px; font-variant-numeric: tabular-nums; line-height: 1.1; white-space: nowrap; }
.tele-cell .v small { font-size: 12.5px; color: rgba(255,255,255,.58); font-weight: 500; margin-left: 3px; }

.source-note { font-size: 12px; color: rgba(255,255,255,.5); line-height: 1.55; display: flex; gap: 9px; position: relative; z-index: 2; }
.source-note svg { width: 15px; height: 15px; flex: 0 0 auto; margin-top: 1px; color: rgba(108,197,244,.7); }

.track-note { margin-top: 22px; padding: 16px 22px; background: var(--cyan-soft); border-radius: 10px; color: var(--navy); font-size: 15px; display: flex; gap: 12px; align-items: center; }
.track-note svg { flex: 0 0 auto; width: 18px; height: 18px; }

@media (max-width: 1080px) {
  .tele-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 980px) {
  .tracker-map-wrap { height: 480px; }
}
@media (max-width: 680px) {
  .tele-grid { grid-template-columns: repeat(2, 1fr); }
  .tele-cell .v { font-size: 19px; }
}
@media (max-width: 640px) {
  .tracker-map-wrap { height: 380px; }
  .tracker-readout { padding: 22px; }
}