/* =========================================================
   Mergen Tech — Kurumsal Web Sitesi
   Tasarım sistemi: CSS değişkenleri, responsive, modern UI
   ========================================================= */

/* ---------- Design Tokens ---------- */
:root {
  /* Renk paleti */
  --ink: #0b1220;
  --ink-2: #1e293b;
  --muted: #64748b;
  --muted-2: #94a3b8;
  --line: #e6eaf0;
  --bg: #ffffff;
  --surface: #f6f8fc;
  --surface-2: #eef2f9;

  --primary: #2563eb;
  --primary-600: #1d4ed8;
  --primary-700: #1e40af;
  --cyan: #06b6d4;
  --accent: #22d3ee;

  --dark: #0b1220;
  --dark-2: #111a2e;

  --grad: linear-gradient(100deg, #2563eb 0%, #06b6d4 100%);
  --grad-soft: linear-gradient(135deg, rgba(37,99,235,.12), rgba(6,182,212,.10));

  /* Tipografi */
  --font-head: "Plus Jakarta Sans", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;

  /* Geometri */
  --radius: 16px;
  --radius-lg: 24px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 3px rgba(15,23,42,.08);
  --shadow: 0 10px 30px -12px rgba(15, 23, 42, .18);
  --shadow-lg: 0 30px 60px -20px rgba(15, 23, 42, .28);
  --ring: 0 0 0 4px rgba(37, 99, 235, .15);

  --container: 1180px;
  --gutter: clamp(18px, 4vw, 40px);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
ul, ol { list-style: none; padding: 0; }
h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.15; font-weight: 800; letter-spacing: -.02em; color: var(--ink); }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--primary); color:#fff; padding: 10px 16px; border-radius: 0 0 10px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.container--narrow { max-width: 820px; }
.section { padding: clamp(64px, 9vw, 120px) 0; }
.section--alt { background: var(--surface); }
.section--dark { background: radial-gradient(120% 120% at 80% 0%, #16233f 0%, var(--dark) 55%); color:#dbe4f3; }

.ic { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- Buttons ---------- */
.btn {
  --bg-btn: var(--primary);
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 12px 20px; border-radius: 999px; border: 1px solid transparent;
  font-family: var(--font-head); font-weight: 700; font-size: .95rem; letter-spacing: -.01em;
  transition: transform .18s ease, box-shadow .25s ease, background .2s ease, color .2s, border-color .2s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn--primary { background: var(--grad); color: #fff; box-shadow: 0 10px 24px -10px rgba(37,99,235,.7); }
.btn--primary:hover { box-shadow: 0 16px 34px -12px rgba(37,99,235,.85); transform: translateY(-2px); }
.btn--ghost { background: rgba(37,99,235,.07); color: var(--primary-700); border-color: rgba(37,99,235,.16); }
.btn--ghost:hover { background: rgba(37,99,235,.12); transform: translateY(-2px); }
.btn--light { background:#fff; color: var(--primary-700); box-shadow: var(--shadow); }
.btn--light:hover { transform: translateY(-2px); }
.btn--outline { background: transparent; color:#fff; border-color: rgba(255,255,255,.5); }
.btn--outline:hover { background: rgba(255,255,255,.12); }
.btn--lg { padding: 15px 26px; font-size: 1rem; }
.btn--block { width: 100%; }

/* ---------- Topbar ---------- */
.topbar { background: var(--dark); color: #aebdd6; font-size: .82rem; }
.topbar__inner { display: flex; align-items: center; gap: 14px; min-height: 40px; flex-wrap: wrap; }
.topbar__item { display: inline-flex; align-items: center; gap: 7px; color: #aebdd6; }
.topbar__item .ic { width: 15px; height: 15px; }
.topbar__item--accent { color: var(--accent); }
.topbar__item--accent .ic { stroke: var(--accent); }
.topbar a.topbar__item:hover { color:#fff; }
.topbar__sep { color: #3b4a66; }
.topbar__spacer { flex: 1; }
@media (max-width: 720px){ .topbar__sep, .topbar__item:not(.topbar__item--accent):first-child { display:none; } }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.72);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .25s, border-color .25s, background .25s;
}
.header.is-stuck { box-shadow: var(--shadow-sm); border-color: var(--line); background: rgba(255,255,255,.9); }
.header__inner { display: flex; align-items: center; gap: 18px; min-height: 70px; }

.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); }
.brand__mark { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 11px; background: var(--grad); color:#fff; box-shadow: 0 8px 18px -8px rgba(37,99,235,.8); }
.brand__mark svg { width: 24px; height: 24px; }
.brand__text { font-family: var(--font-head); font-weight: 800; font-size: 1.2rem; letter-spacing: -.03em; }
.brand__text span { color: var(--primary); }

.nav { display: flex; gap: 4px; margin-left: 8px; }
.nav a {
  padding: 9px 14px; border-radius: 10px; color: var(--ink-2); font-weight: 600; font-size: .94rem;
  transition: background .18s, color .18s;
}
.nav a:hover, .nav a.active { background: var(--surface-2); color: var(--primary-700); }

.header__actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.nav-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 12px; background:#fff; padding: 0 11px; flex-direction: column; gap: 5px; justify-content: center; }
.nav-toggle span { height: 2px; background: var(--ink); border-radius: 2px; transition: transform .25s, opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 940px){
  .nav {
    position: fixed; inset: 110px 16px auto 16px; flex-direction: column; gap: 4px;
    background:#fff; border:1px solid var(--line); border-radius: 18px; padding: 12px;
    box-shadow: var(--shadow-lg); transform-origin: top; transform: scaleY(.6); opacity:0; pointer-events:none;
    transition: transform .22s ease, opacity .22s ease;
  }
  .nav.open { transform: scaleY(1); opacity: 1; pointer-events: auto; }
  .nav a { padding: 13px 14px; font-size: 1rem; }
  .nav-toggle { display: flex; }
  .header__actions .btn--ghost { display: none; }
}

/* ---------- Eyebrow / Section head ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-head); font-weight: 700; font-size: .8rem; letter-spacing: .02em;
  color: var(--primary-700); background: rgba(37,99,235,.08); padding: 6px 13px; border-radius: 999px;
  text-transform: uppercase;
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--grad); }
.section__head { max-width: 720px; margin: 0 auto clamp(36px, 5vw, 56px); text-align: center; }
.section__head h2 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); margin: 16px 0 12px; }
.section__head p { color: var(--muted); font-size: 1.05rem; }
.section__head--light h2 { color:#fff; }
.section__head--light p { color: #9fb0cc; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- HERO ---------- */
.hero { position: relative; padding-top: clamp(40px, 6vw, 70px); padding-bottom: clamp(40px, 6vw, 64px); overflow: hidden; }
.hero__bg {
  position: absolute; inset: -20% -10% auto -10%; height: 720px; z-index: -1;
  background:
    radial-gradient(50% 50% at 18% 12%, rgba(37,99,235,.14), transparent 60%),
    radial-gradient(45% 45% at 88% 8%, rgba(6,182,212,.14), transparent 60%);
}
.hero__bg::after{
  content:""; position:absolute; inset:0;
  background-image: linear-gradient(rgba(15,23,42,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(15,23,42,.035) 1px, transparent 1px);
  background-size: 38px 38px; mask-image: radial-gradient(70% 60% at 50% 0%, #000, transparent 80%);
}
.hero__grid { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: clamp(30px, 5vw, 60px); }
.hero__copy h1 { font-size: clamp(2.1rem, 5.2vw, 3.6rem); margin: 18px 0 18px; }
.hero__copy .lead { font-size: clamp(1.02rem, 1.6vw, 1.18rem); color: var(--ink-2); max-width: 560px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 30px; }
.hero__trust { display: flex; gap: clamp(18px,3vw,34px); flex-wrap: wrap; }
.hero__trust li { display: flex; flex-direction: column; }
.hero__trust strong { font-family: var(--font-head); font-size: 1.5rem; font-weight: 800; color: var(--ink); }
.hero__trust span { font-size: .85rem; color: var(--muted); }

.eyebrow .dot { box-shadow: 0 0 0 4px rgba(37,99,235,.12); }

/* Hero visual / device */
.hero__visual { position: relative; display: grid; place-items: center; min-height: 420px; }
.device {
  width: 230px; height: 460px; border-radius: 42px; padding: 12px;
  background: linear-gradient(160deg, #1b2740, #0b1220);
  box-shadow: var(--shadow-lg), inset 0 0 0 2px rgba(255,255,255,.06);
  position: relative; animation: floaty 6s ease-in-out infinite;
}
.device__notch { position: absolute; top: 18px; left: 50%; transform: translateX(-50%); width: 92px; height: 22px; background:#0b1220; border-radius: 0 0 14px 14px; z-index: 2; }
.device__screen {
  width: 100%; height: 100%; border-radius: 32px; position: relative; overflow: hidden;
  background: radial-gradient(120% 90% at 50% 0%, #1f3a6b 0%, #0e1830 60%);
  display: grid; place-items: center;
}
.device__pulse { position: absolute; width: 150px; height: 150px; border-radius: 50%; background: radial-gradient(circle, rgba(34,211,238,.5), transparent 60%); animation: pulse 3s ease-in-out infinite; }
.device__tool { width: 70px; height: 70px; fill: none; stroke: #7dd3fc; stroke-width: 1.4; filter: drop-shadow(0 6px 16px rgba(34,211,238,.5)); position: relative; }

.chip {
  position: absolute; display: inline-flex; align-items: center; gap: 8px;
  background: #fff; color: var(--ink); padding: 10px 14px; border-radius: 14px;
  box-shadow: var(--shadow); font-weight: 700; font-size: .85rem; border: 1px solid var(--line);
}
.chip .ic { width: 16px; height: 16px; stroke: var(--primary); }
.chip--1 { top: 12%; left: -6%; animation: floaty 5s ease-in-out infinite; }
.chip--2 { top: 46%; right: -10%; animation: floaty 6.5s ease-in-out .4s infinite; }
.chip--3 { bottom: 12%; left: 2%; animation: floaty 5.5s ease-in-out .8s infinite; }

@keyframes floaty { 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(-12px);} }
@keyframes pulse { 0%,100%{ transform: scale(.85); opacity:.7;} 50%{ transform: scale(1.15); opacity:1;} }

/* Brand strip */
.brandstrip {
  margin-top: clamp(36px, 5vw, 56px); padding: 20px clamp(18px,3vw,28px);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  display: flex; align-items: center; gap: 22px; flex-wrap: wrap;
}
.brandstrip__label { font-weight: 700; color: var(--muted); font-size: .85rem; white-space: nowrap; }
.brandstrip ul { display: flex; gap: clamp(16px,3vw,34px); flex-wrap: wrap; flex: 1; }
.brandstrip li { font-family: var(--font-head); font-weight: 800; font-size: 1.05rem; color: var(--muted-2); letter-spacing: -.02em; transition: color .2s; }
.brandstrip li:hover { color: var(--ink); }

@media (max-width: 900px){
  .hero__grid { grid-template-columns: 1fr; }
  .hero__visual { order: -1; min-height: 360px; }
  .device { width: 200px; height: 400px; }
}

/* ---------- Cards (services) ---------- */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 22px; box-shadow: var(--shadow-sm);
  transition: transform .22s ease, box-shadow .25s ease, border-color .25s;
  position: relative; overflow: hidden;
}
.card::before { content:""; position:absolute; inset: 0 0 auto 0; height: 3px; background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform .3s ease; }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.card:hover::before { transform: scaleX(1); }
.card__icon { width: 50px; height: 50px; border-radius: 14px; display: grid; place-items: center; background: var(--grad-soft); margin-bottom: 16px; }
.card__icon svg { width: 26px; height: 26px; fill: none; stroke: var(--primary); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { font-size: 1.12rem; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: .94rem; }
.card--cta { background: var(--grad); color:#fff; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.card--cta::before { display:none; }
.card--cta h3 { color:#fff; }
.card--cta p { color: rgba(255,255,255,.9); margin-bottom: 16px; }
.card--cta .btn--primary { background:#fff; color: var(--primary-700); box-shadow:none; }

@media (max-width: 980px){ .cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px){ .cards { grid-template-columns: 1fr; } }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: step; }
.step {
  background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding: 28px 22px;
  position: relative; box-shadow: var(--shadow-sm);
}
.step__no { font-family: var(--font-head); font-weight: 800; font-size: 2.4rem; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1; }
.step h3 { font-size: 1.1rem; margin: 12px 0 8px; }
.step p { color: var(--muted); font-size: .93rem; }
.step:not(:last-child)::after {
  content: "→"; position: absolute; top: 36px; right: -14px; color: var(--muted-2); font-size: 1.4rem; z-index: 1;
}
@media (max-width: 980px){ .steps { grid-template-columns: repeat(2,1fr);} .step:nth-child(2)::after{ display:none;} }
@media (max-width: 520px){ .steps { grid-template-columns: 1fr;} .step::after{ display:none !important;} }

/* ---------- Accessories ---------- */
.acc-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.acc {
  display: flex; gap: 16px; align-items: flex-start; padding: 24px;
  background:#fff; border:1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm);
  transition: transform .2s, box-shadow .25s;
}
.acc:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.acc__icon { flex: 0 0 48px; width:48px; height:48px; border-radius: 13px; display:grid; place-items:center; background: var(--grad-soft); }
.acc__icon svg { width: 24px; height:24px; fill:none; stroke: var(--primary); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.acc h3 { font-size: 1.05rem; margin-bottom: 5px; }
.acc p { color: var(--muted); font-size: .9rem; }
.acc-note { text-align: center; margin-top: 28px; color: var(--muted); }
.acc-note a { color: var(--primary-700); font-weight: 700; }
@media (max-width: 860px){ .acc-grid { grid-template-columns: repeat(2,1fr);} }
@media (max-width: 540px){ .acc-grid { grid-template-columns: 1fr;} }

/* ---------- Features (dark) ---------- */
.feat-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.feat {
  background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); border-radius: var(--radius);
  padding: 26px 24px; transition: transform .2s, background .25s, border-color .25s;
}
.feat:hover { transform: translateY(-5px); background: rgba(255,255,255,.07); border-color: rgba(34,211,238,.35); }
.feat__icon { width: 50px; height:50px; border-radius: 14px; display:grid; place-items:center; background: linear-gradient(135deg, rgba(37,99,235,.3), rgba(6,182,212,.25)); margin-bottom: 16px; }
.feat__icon svg { width: 26px; height:26px; fill:none; stroke: var(--accent); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.feat h3 { color:#fff; font-size: 1.1rem; margin-bottom: 7px; }
.feat p { color:#9fb0cc; font-size: .93rem; }
@media (max-width: 860px){ .feat-grid { grid-template-columns: repeat(2,1fr);} }
@media (max-width: 540px){ .feat-grid { grid-template-columns: 1fr;} }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; margin-top: clamp(36px,5vw,56px); }
.stat { text-align: center; padding: 26px 16px; border-radius: var(--radius); background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); }
.stat__num { font-family: var(--font-head); font-weight: 800; font-size: clamp(2rem, 4vw, 2.8rem); background: linear-gradient(120deg,#fff,#7dd3fc); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat__suffix { font-family: var(--font-head); font-weight: 800; font-size: 1.2rem; color: var(--accent); margin-left: 2px; }
.stat p { color:#9fb0cc; margin-top: 6px; font-size: .92rem; }
@media (max-width: 620px){ .stats { grid-template-columns: repeat(2,1fr);} }

/* ---------- Testimonials ---------- */
.tslider { position: relative; }
.tslider__track { display: flex; gap: 18px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 10px; scrollbar-width: none; }
.tslider__track::-webkit-scrollbar { display: none; }
.tcard {
  flex: 0 0 clamp(280px, 33%, 360px); scroll-snap-align: start;
  background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow-sm);
}
.stars { color: #f59e0b; letter-spacing: 2px; margin-bottom: 12px; }
.tcard blockquote { font-size: 1.02rem; color: var(--ink-2); }
.tcard figcaption { margin-top: 16px; display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink); }
.avatar { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; color:#fff; font-size: .85rem; font-weight: 800; background: var(--c, #2563eb); font-family: var(--font-head); }
.tslider__nav { display: flex; gap: 10px; justify-content: center; margin-top: 22px; }
.tslider__btn { width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--line); background:#fff; font-size: 1.5rem; color: var(--ink-2); display: grid; place-items: center; box-shadow: var(--shadow-sm); transition: transform .15s, background .2s, color .2s; }
.tslider__btn:hover { background: var(--primary); color:#fff; transform: translateY(-2px); }

/* ---------- CTA band ---------- */
.ctaband { background: var(--grad); color:#fff; }
.ctaband__inner { display: flex; align-items: center; justify-content: space-between; gap: 26px; padding: clamp(40px,6vw,64px) 0; flex-wrap: wrap; }
.ctaband h2 { color:#fff; font-size: clamp(1.5rem,3vw,2.1rem); }
.ctaband p { color: rgba(255,255,255,.92); margin-top: 6px; }
.ctaband__actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 12px; }
.faq__item { background:#fff; border:1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.faq__item summary {
  list-style: none; cursor: pointer; padding: 18px 22px; font-family: var(--font-head); font-weight: 700; font-size: 1.05rem;
  display: flex; align-items: center; justify-content: space-between; gap: 14px; color: var(--ink);
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after { content: "+"; font-size: 1.5rem; color: var(--primary); font-weight: 700; transition: transform .25s; line-height: 1; }
.faq__item[open] summary::after { transform: rotate(45deg); }
.faq__body { padding: 0 22px 20px; color: var(--muted); }
.faq__body p { font-size: .98rem; }

/* ---------- Contact ---------- */
.contact { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(22px,4vw,40px); align-items: start; }
.contact__info { display: grid; gap: 14px; }
.info { display: flex; align-items: center; gap: 14px; padding: 16px 18px; background:#fff; border:1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); transition: transform .18s, box-shadow .2s; }
a.info:hover { transform: translateX(4px); box-shadow: var(--shadow); }
.info__icon { flex: 0 0 44px; width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--grad-soft); }
.info__icon svg { width: 22px; height:22px; fill:none; stroke: var(--primary); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.info span:last-child { display: flex; flex-direction: column; font-size: .96rem; }
.info strong { font-family: var(--font-head); color: var(--ink); font-size: .82rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); }
.map { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.map iframe { display: block; }

.contact__form { background:#fff; border:1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(22px,3vw,32px); box-shadow: var(--shadow); display: grid; gap: 16px; }
.field { display: grid; gap: 7px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field label { font-weight: 700; font-size: .88rem; color: var(--ink-2); }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 15px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  font: inherit; color: var(--ink); background: var(--surface); transition: border-color .2s, box-shadow .2s, background .2s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--primary); background:#fff; box-shadow: var(--ring); }
.field textarea { resize: vertical; }
.form-note { font-size: .85rem; color: var(--muted); text-align: center; }
.form-note a { color: var(--primary-700); font-weight: 700; }
@media (max-width: 860px){ .contact { grid-template-columns: 1fr; } .field-row { grid-template-columns: 1fr; } }

/* ---------- Footer ---------- */
.footer { background: var(--dark); color:#9fb0cc; padding-top: clamp(50px,7vw,80px); }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 32px; padding-bottom: 44px; }
.footer .brand { color:#fff; margin-bottom: 14px; }
.footer .brand__mark { background: var(--grad); }
.footer__brand p { font-size: .94rem; max-width: 320px; }
.socials { display: flex; gap: 10px; margin-top: 18px; }
.socials a { width: 40px; height: 40px; border-radius: 11px; display:grid; place-items:center; background: rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.08); transition: background .2s, transform .15s; }
.socials a svg { width: 20px; height:20px; fill:none; stroke:#cdd9 ; stroke: #cdd9ee; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.socials a:hover { background: var(--primary); transform: translateY(-2px); }
.footer__col h4 { color:#fff; font-size: 1rem; margin-bottom: 14px; }
.footer__col a, .footer__col span { display: block; color:#9fb0cc; font-size: .93rem; padding: 5px 0; transition: color .18s; }
.footer__col a:hover { color:#fff; }
.footer__bar { border-top: 1px solid rgba(255,255,255,.08); }
.footer__bar-inner { display: flex; justify-content: space-between; gap: 12px; padding: 20px 0; font-size: .85rem; color:#7c8aa6; flex-wrap: wrap; }
@media (max-width: 860px){ .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px){ .footer__grid { grid-template-columns: 1fr; } }

/* ---------- Floating buttons ---------- */
.fab { position: fixed; right: 20px; width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; box-shadow: var(--shadow-lg); z-index: 90; border: none; transition: transform .2s, opacity .25s; }
.fab--wa { bottom: 22px; background: #25d366; color:#fff; }
.fab--wa svg { width: 28px; height: 28px; fill: #fff; stroke: none; }
.fab--wa:hover { transform: scale(1.08); }
.fab--top { bottom: 86px; background:#fff; color: var(--ink); border:1px solid var(--line); font-size: 1.3rem; opacity: 0; pointer-events: none; }
.fab--top.show { opacity: 1; pointer-events: auto; }
.fab--top:hover { transform: translateY(-3px); }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce){
  * { animation: none !important; scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* =========================================================
   PRO UPGRADES
   ========================================================= */

/* ---- Scroll progress bar ---- */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: var(--grad); z-index: 200; transition: width .12s linear;
  box-shadow: 0 0 12px rgba(37,99,235,.6);
}

/* ---- Preloader ---- */
.preloader {
  position: fixed; inset: 0; z-index: 300; display: grid; place-items: center; gap: 18px;
  background: var(--dark); transition: opacity .5s ease, visibility .5s ease;
}
.preloader.hide { opacity: 0; visibility: hidden; }
.preloader__logo { width: 64px; height: 64px; display: grid; place-items: center; border-radius: 18px; background: var(--grad); color:#fff; animation: floaty 2.4s ease-in-out infinite; box-shadow: 0 18px 40px -14px rgba(37,99,235,.9); }
.preloader__logo svg { width: 40px; height: 40px; }
.preloader__bar { width: 160px; height: 4px; border-radius: 99px; background: rgba(255,255,255,.12); overflow: hidden; }
.preloader__bar span { display: block; height: 100%; width: 40%; border-radius: 99px; background: var(--grad); animation: loadbar 1.1s ease-in-out infinite; }
@keyframes loadbar { 0%{ transform: translateX(-120%);} 100%{ transform: translateX(320%);} }

/* ---- Button shimmer micro-interaction ---- */
.btn--primary { position: relative; overflow: hidden; }
.btn--primary::after {
  content:""; position:absolute; top:0; left:-130%; width: 60%; height:100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.35), transparent);
  transform: skewX(-18deg); transition: left .6s ease;
}
.btn--primary:hover::after { left: 130%; }

/* ---- Hero rating badge ---- */
.rating-badge {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 26px;
  background:#fff; border:1px solid var(--line); border-radius: 999px; padding: 8px 16px;
  box-shadow: var(--shadow-sm); transition: transform .18s, box-shadow .2s;
}
.rating-badge:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.rating-badge__stars { color:#f59e0b; letter-spacing: 1px; }
.rating-badge__text { font-size: .9rem; color: var(--ink-2); }
.rating-badge__text strong { font-family: var(--font-head); color: var(--ink); }

/* ---- Trust band ---- */
.trustband { background: var(--dark-2); }
.trustband__inner { display: grid; grid-template-columns: repeat(4,1fr); gap: 8px; padding: 22px 0; }
.trustband__item { display: flex; align-items: center; gap: 13px; padding: 8px 14px; color:#e6edf8; }
.trustband__item + .trustband__item { border-left: 1px solid rgba(255,255,255,.08); }
.trustband__item svg { width: 30px; height: 30px; flex: 0 0 30px; fill: none; stroke: var(--accent); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.trustband__item span { display: flex; flex-direction: column; line-height: 1.3; }
.trustband__item strong { font-family: var(--font-head); color:#fff; font-size: .98rem; }
.trustband__item span { font-size: .82rem; color:#9fb0cc; }
@media (max-width: 860px){
  .trustband__inner { grid-template-columns: 1fr 1fr; }
  .trustband__item:nth-child(odd) { border-left: none; }
  .trustband__item:nth-child(3), .trustband__item:nth-child(4) { border-top: 1px solid rgba(255,255,255,.08); padding-top: 14px; }
}
@media (max-width: 480px){ .trustband__inner { grid-template-columns: 1fr; } .trustband__item + .trustband__item { border-left:none; border-top: 1px solid rgba(255,255,255,.08); } }

/* ---- Pricing / transparency ---- */
.price-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.price-card {
  background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding: 26px 22px;
  box-shadow: var(--shadow-sm); transition: transform .2s, box-shadow .25s; text-align: center;
}
.price-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.price-card__icon { width: 54px; height: 54px; margin: 0 auto 14px; border-radius: 16px; display:grid; place-items:center; background: var(--grad-soft); }
.price-card__icon svg { width: 27px; height:27px; fill:none; stroke: var(--primary); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.price-card h3 { font-size: 1.08rem; margin-bottom: 7px; }
.price-card p { color: var(--muted); font-size: .92rem; }
.price-cta {
  margin-top: 22px; display: flex; align-items: center; justify-content: space-between; gap: 22px; flex-wrap: wrap;
  background: var(--grad-soft); border: 1px solid rgba(37,99,235,.18); border-radius: var(--radius-lg); padding: clamp(22px,3vw,32px);
}
.price-cta h3 { font-size: 1.25rem; }
.price-cta p { color: var(--muted); margin-top: 4px; }
@media (max-width: 980px){ .price-grid { grid-template-columns: repeat(2,1fr);} }
@media (max-width: 520px){ .price-grid { grid-template-columns: 1fr;} .price-cta { flex-direction: column; align-items: flex-start; } }

/* ---- Google-style rating (testimonials) ---- */
.grating { display: inline-flex; align-items: center; gap: 10px; margin-top: 16px; padding: 8px 16px; border:1px solid var(--line); border-radius: 999px; background:#fff; box-shadow: var(--shadow-sm); }
.grating__stars { color:#f59e0b; letter-spacing: 1px; }
.grating__score { font-family: var(--font-head); font-weight: 800; color: var(--ink); }
.grating__sub { font-size: .85rem; color: var(--muted); }
@media (max-width: 440px){ .grating__sub { display:none; } }

/* ---- Mobile sticky action bar ---- */
.mobilebar { display: none; }
@media (max-width: 720px){
  .mobilebar {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 95;
    display: grid; grid-template-columns: 1fr 1fr 1.2fr; gap: 6px;
    background: rgba(255,255,255,.92); backdrop-filter: blur(12px);
    border-top: 1px solid var(--line); padding: 8px 10px calc(8px + env(safe-area-inset-bottom));
    box-shadow: 0 -10px 30px -16px rgba(15,23,42,.35);
  }
  .mobilebar a {
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
    padding: 8px 4px; border-radius: 12px; font-size: .74rem; font-weight: 700; color: var(--ink-2);
  }
  .mobilebar a .ic { width: 20px; height: 20px; }
  .mobilebar__primary { background: var(--grad); color:#fff !important; box-shadow: 0 8px 18px -8px rgba(37,99,235,.8); }
  /* mobil barla çakışmayı önle */
  body { padding-bottom: 70px; }
  .fab--wa { display: none; }
  .fab--top { bottom: 84px; }
}

/* ---- Cookie / KVKK ---- */
.cookie {
  position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 110; max-width: 720px; margin-inline: auto;
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap; justify-content: space-between;
  background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding: 16px 20px;
  box-shadow: var(--shadow-lg);
  transform: translateY(140%); transition: transform .4s cubic-bezier(.2,.7,.2,1);
}
.cookie.show { transform: translateY(0); }
.cookie p { font-size: .9rem; color: var(--ink-2); flex: 1 1 280px; }
.cookie__actions { display: flex; gap: 10px; }
.cookie__actions .btn { padding: 9px 16px; font-size: .88rem; }
@media (max-width: 720px){ .cookie { bottom: 82px; } }

/* ---- Tema değiştirme butonu ---- */
.theme-toggle {
  width: 42px; height: 42px; border-radius: 12px; border: 1px solid var(--line);
  background: var(--card, #fff); color: var(--ink-2); display: grid; place-items: center;
  transition: background .2s, transform .15s, color .2s, border-color .2s;
}
.theme-toggle:hover { transform: translateY(-2px); color: var(--primary); }
.theme-toggle svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.theme-toggle__sun { display: none; }

/* ---- Önce / Sonra karşılaştırma ---- */
.ba {
  position: relative; max-width: 760px; margin: 0 auto; aspect-ratio: 16 / 10;
  border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg);
  border: 1px solid var(--line); user-select: none; touch-action: pan-y;
}
.ba__layer { position: absolute; inset: 0; }
.ba__layer img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.ba__layer--before { clip-path: inset(0 calc(100% - var(--pos)) 0 0); }
.ba__scene { position: absolute; inset: 0; display: grid; place-items: center; }
.ba__scene--after { background: radial-gradient(90% 90% at 50% 25%, #1b3a6b, #0b1220); }
.ba__scene--before { background: radial-gradient(90% 90% at 50% 25%, #2a2f3a, #14161c); }
.ba__phone { position: relative; width: clamp(96px, 22vw, 132px); aspect-ratio: 1 / 2; border-radius: 26px; background: linear-gradient(160deg, #1b2740, #0b1220); box-shadow: inset 0 0 0 2px rgba(255,255,255,.08), 0 20px 40px -16px #000; padding: 8px; }
.ba__screen { display: block; width: 100%; height: 100%; border-radius: 18px; }
.ba__scene--after .ba__screen { background: radial-gradient(120% 90% at 50% 0%, #38bdf8, #1d4ed8 55%, #0b1220); box-shadow: 0 0 36px rgba(56,189,248,.55); }
.ba__scene--before .ba__screen { background: linear-gradient(160deg, #3a3f4a, #23262e); }
.ba__crack { position: absolute; inset: 8px; width: calc(100% - 16px); height: calc(100% - 16px); fill: none; stroke: rgba(255,255,255,.65); stroke-width: 1.4; }
.ba__divider { position: absolute; top: 0; bottom: 0; left: var(--pos); width: 2px; background: #fff; transform: translateX(-1px); pointer-events: none; box-shadow: 0 0 0 1px rgba(0,0,0,.08); }
.ba__knob { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 44px; height: 44px; border-radius: 50%; background: #fff; color: var(--primary-700); display: grid; place-items: center; font-size: 1.1rem; font-weight: 700; box-shadow: var(--shadow); }
.ba__range { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: ew-resize; }
.ba__tag { position: absolute; bottom: 14px; padding: 6px 12px; border-radius: 999px; font-family: var(--font-head); font-weight: 800; font-size: .72rem; letter-spacing: .06em; color: #fff; background: rgba(0,0,0,.5); backdrop-filter: blur(4px); pointer-events: none; }
.ba__tag--before { left: 14px; }
.ba__tag--after { right: 14px; }
.ba__note { text-align: center; margin-top: 18px; color: var(--muted); }

/* ---- Google yorum CTA ---- */
.greviews { text-align: center; margin-top: 28px; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.greviews__hint { font-size: .85rem; color: var(--muted); }

/* =========================================================
   DARK MODE
   ========================================================= */
[data-theme="dark"] {
  --ink: #e6edf8;
  --ink-2: #c7d3e6;
  --muted: #94a3b8;
  --muted-2: #6b7a93;
  --line: rgba(255,255,255,.10);
  --bg: #0b1220;
  --surface: #0f1830;
  --surface-2: #16223e;
  --card: #111a2e;
  --grad-soft: linear-gradient(135deg, rgba(37,99,235,.22), rgba(6,182,212,.16));
}
[data-theme="dark"] body { background: var(--bg); }
[data-theme="dark"] .theme-toggle__sun { display: block; }
[data-theme="dark"] .theme-toggle__moon { display: none; }

/* Beyaz zeminli bileşenleri koyuya çevir */
[data-theme="dark"] .card,
[data-theme="dark"] .step,
[data-theme="dark"] .acc,
[data-theme="dark"] .tcard,
[data-theme="dark"] .faq__item,
[data-theme="dark"] .info,
[data-theme="dark"] .contact__form,
[data-theme="dark"] .rating-badge,
[data-theme="dark"] .grating,
[data-theme="dark"] .tslider__btn,
[data-theme="dark"] .nav,
[data-theme="dark"] .nav-toggle,
[data-theme="dark"] .chip,
[data-theme="dark"] .theme-toggle,
[data-theme="dark"] .fab--top,
[data-theme="dark"] .cookie { background: var(--card); border-color: var(--line); }

[data-theme="dark"] .header { background: rgba(11,18,32,.72); }
[data-theme="dark"] .header.is-stuck { background: rgba(11,18,32,.92); border-color: var(--line); }
[data-theme="dark"] .section--alt { background: var(--surface); }
[data-theme="dark"] .nav-toggle span { background: var(--ink); }

[data-theme="dark"] .nav a { color: var(--ink-2); }
[data-theme="dark"] .nav a:hover,
[data-theme="dark"] .nav a.active { background: rgba(37,99,235,.20); color: #dbe7ff; }
[data-theme="dark"] .eyebrow { color: #9fc0ff; background: rgba(37,99,235,.16); }
[data-theme="dark"] .btn--ghost { color: #c7d8ff; background: rgba(37,99,235,.18); border-color: rgba(37,99,235,.32); }
[data-theme="dark"] .btn--ghost:hover { background: rgba(37,99,235,.26); }

[data-theme="dark"] .field input,
[data-theme="dark"] .field select,
[data-theme="dark"] .field textarea { background: var(--surface-2); border-color: var(--line); color: var(--ink); }
[data-theme="dark"] .field input:focus,
[data-theme="dark"] .field select:focus,
[data-theme="dark"] .field textarea:focus { background: var(--card); }

[data-theme="dark"] .card__icon,
[data-theme="dark"] .acc__icon,
[data-theme="dark"] .info__icon { background: linear-gradient(135deg, rgba(37,99,235,.28), rgba(6,182,212,.20)); }

[data-theme="dark"] .hero__bg::after { background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px); }
[data-theme="dark"] .brandstrip { background: var(--surface); }

@media (max-width: 720px){
  [data-theme="dark"] .mobilebar { background: rgba(11,18,32,.92); border-color: var(--line); }
  [data-theme="dark"] .mobilebar a { color: var(--ink-2); }
}

/* ---- Markalı sosyal ikonlar (Instagram/WhatsApp gerçek renkler) ---- */
.socials a.soc--brand svg { width: 22px; height: 22px; stroke: none; }
.socials a.soc--brand:hover { background: rgba(255,255,255,.14); }

/* ---- Instagram kayan (floating) buton ---- */
.fab--ig { bottom: 86px; background: radial-gradient(circle at 30% 110%, #fdf497 0%, #fd5949 42%, #d6249f 60%, #962fbf 78%, #4f5bd5 100%); }
.fab--ig svg { width: 26px; height: 26px; fill: none; stroke: #fff; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.fab--ig:hover { transform: scale(1.08); }
.fab--top { bottom: 150px; }
@media (max-width: 720px){
  .fab--ig { display: none; }
  .fab--top { bottom: 84px; }
}