/* KampanyaBol tanitim sitesi. Tek dosya, harici istek yok (yazi tipi, CDN, analitik yok); JavaScript kullanilmaz. */

:root {
  color-scheme: light dark;
  --brand: #0d47a1;
  --brand-strong: #002171;
  --brand-soft: #e8eaf6;
  --brand-on: #ffffff;
  --accent: #bf953f;
  --accent-soft: #fff8e1;
  --ink: #1a1d26;
  --muted: #5a6178;
  --line: #e4e7f0;
  --paper: #ffffff;
  --bg: #f5f6fa;
  --glow: rgba(84, 114, 211, 0.22);
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 14px 36px rgba(13, 71, 161, 0.10);
  --radius: 20px;
  --max: 1120px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --brand: #6f8be0;
    --brand-strong: #a9bcf5;
    --brand-soft: #1b2340;
    --brand-on: #0b1020;
    --accent: #e0b866;
    --accent-soft: #2a2414;
    --ink: #f1f2f7;
    --muted: #b8bdd0;
    --line: #2a2e3d;
    --paper: #1a1d26;
    --bg: #12131a;
    --glow: rgba(111, 139, 224, 0.18);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 14px 36px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
}

img, svg { max-width: 100%; display: block; }

a { color: var(--brand); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible { outline: 3px solid var(--brand); outline-offset: 3px; border-radius: 6px; }

.wrap { width: min(var(--max), calc(100% - 40px)); margin-inline: auto; }

.skip {
  position: absolute; left: 12px; top: -48px; z-index: 10;
  background: var(--brand); color: var(--brand-on); padding: 10px 16px; border-radius: 10px; text-decoration: none;
}
.skip:focus { top: 12px; }

/* ---- header ---- */
.site-header { padding: 18px 0; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; font-weight: 800; font-size: 21px; letter-spacing: -0.01em; }
.brand img { width: 40px; height: 40px; border-radius: 11px; box-shadow: 0 2px 8px rgba(13, 71, 161, 0.25); }
.brand span { color: var(--brand); }
.nav { display: flex; align-items: center; gap: 26px; }
.nav a { color: var(--muted); text-decoration: none; font-weight: 600; font-size: 15px; }
.nav a:hover { color: var(--ink); }
.nav .pill { color: var(--brand); border: 1.5px solid var(--brand); padding: 8px 16px; border-radius: 999px; }
.nav .pill:hover { background: var(--brand); color: var(--brand-on); }
@media (max-width: 760px) { .nav a:not(.pill) { display: none; } }

/* ---- hero ---- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(52rem 26rem at 88% -8%, var(--glow), transparent 70%),
    radial-gradient(40rem 22rem at -6% 12%, var(--glow), transparent 70%);
}
.hero .wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; padding: 48px 0 84px; }
.eyebrow { display: inline-block; color: var(--brand); background: var(--brand-soft); font-weight: 700; font-size: 14px; padding: 6px 14px; border-radius: 999px; margin-bottom: 20px; }
h1 { margin: 0 0 20px; font-size: clamp(2.3rem, 5.4vw, 3.7rem); line-height: 1.07; letter-spacing: -0.025em; }
h1 .hl { color: var(--brand); }
.lead { margin: 0 0 30px; font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--muted); max-width: 34em; }

.stores { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 14px; }
.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 14px 22px; border-radius: 14px;
  font-weight: 700; font-size: 16px; text-decoration: none; border: 1.5px solid var(--line); background: var(--paper); color: var(--ink);
}
.btn svg { width: 20px; height: 20px; flex: none; color: var(--brand); }
.btn .soon { font-size: 12px; font-weight: 700; color: var(--accent); background: var(--accent-soft); padding: 3px 9px; border-radius: 999px; }
.btn-primary { background: var(--brand); color: var(--brand-on); border-color: var(--brand); }
.btn-primary svg { color: var(--brand-on); }
.note { margin: 0; font-size: 14px; color: var(--muted); }

/* ---- phone illustration (decorative): a thin-bezel device showing a sample of the app's discover screen ---- */
.phone-wrap { position: relative; display: flex; flex-direction: column; align-items: center; gap: 18px; }
.phone-wrap::before {
  content: ""; position: absolute; inset: 6% -8% 12% -8%; z-index: 0; border-radius: 50%;
  background: radial-gradient(closest-side, var(--glow), transparent 72%); filter: blur(10px);
}
.phone {
  position: relative; z-index: 1; width: min(292px, 78vw); aspect-ratio: 9 / 19.4; border-radius: 48px; padding: 8px;
  background: linear-gradient(150deg, #5b6078 0%, #232739 28%, #0a0c16 100%);
  box-shadow: inset 0 0 0 1.5px rgba(255, 255, 255, 0.14), 0 44px 70px -26px rgba(13, 71, 161, 0.55), 0 16px 32px rgba(8, 12, 30, 0.28);
}
.phone::before, .phone::after { content: ""; position: absolute; width: 3.5px; background: #2b3047; border-radius: 3px; }
.phone::before { left: -3px; top: 21%; height: 9%; }
.phone::after { right: -3px; top: 27%; height: 15%; }
.screen { position: relative; height: 100%; border-radius: 41px; overflow: hidden; background: var(--bg); display: flex; flex-direction: column; color: var(--ink); }
.cam { position: absolute; top: 11px; left: 50%; width: 12px; height: 12px; margin-left: -6px; border-radius: 50%; background: #04050b; box-shadow: 0 0 0 2.5px #161a2c; z-index: 2; }
.status { display: flex; justify-content: space-between; align-items: center; padding: 13px 24px 0; font-size: 12px; font-weight: 700; height: 38px; }
.status .sys { display: inline-flex; gap: 5px; align-items: center; }
.status svg { width: 15px; height: 15px; }
.app { flex: 1; min-height: 0; padding: 8px 14px 0; display: flex; flex-direction: column; gap: 10px; }
.app-head { display: flex; justify-content: space-between; align-items: flex-end; }
.app-head small { display: block; color: var(--muted); font-size: 11px; line-height: 1.2; }
.app-head b { font-size: 21px; line-height: 1.15; letter-spacing: -0.02em; }
.bell { position: relative; width: 32px; height: 32px; border-radius: 50%; background: var(--paper); border: 1px solid var(--line); display: grid; place-items: center; }
.bell svg { width: 16px; height: 16px; }
.bell::after { content: ""; position: absolute; top: 6px; right: 7px; width: 7px; height: 7px; border-radius: 50%; background: #e53935; border: 1.5px solid var(--paper); }
.search { display: flex; align-items: center; gap: 8px; background: var(--paper); border: 1px solid var(--line); border-radius: 13px; padding: 10px 12px; color: var(--muted); font-size: 12px; }
.search svg { width: 15px; height: 15px; flex: none; }
.chips { display: flex; gap: 6px; overflow: hidden; }
.chips span { flex: none; font-size: 11px; font-weight: 700; padding: 6px 11px; border-radius: 999px; background: var(--paper); border: 1px solid var(--line); color: var(--muted); }
.chips .on { background: var(--brand); border-color: var(--brand); color: var(--brand-on); }
.feature {
  position: relative; border-radius: 18px; padding: 14px; min-height: 130px; display: flex; flex-direction: column; justify-content: flex-end; gap: 5px;
  color: #fff; background: linear-gradient(140deg, #002171 0%, #0d47a1 55%, #3f6fd0 100%); overflow: hidden;
}
.feature::after { content: ""; position: absolute; right: -28px; top: -34px; width: 120px; height: 120px; border-radius: 50%; background: rgba(255, 255, 255, 0.12); }
.feature .badge { position: absolute; top: 12px; left: 12px; font-size: 10px; font-weight: 800; padding: 4px 9px; border-radius: 999px; background: rgba(255, 255, 255, 0.2); }
.feature strong { position: relative; z-index: 1; font-size: 15px; line-height: 1.25; max-width: 12em; }
.feature .meta { position: relative; z-index: 1; font-size: 11px; color: #d8e2fb; }
.row { display: flex; align-items: center; gap: 10px; background: var(--paper); border: 1px solid var(--line); border-radius: 15px; padding: 8px; }
.thumb { width: 46px; height: 46px; border-radius: 11px; flex: none; }
.t1 { background: linear-gradient(135deg, #bf953f, #ecd48a); }
.t2 { background: linear-gradient(135deg, #1b7f5c, #5cc9a7); }
.row .txt { flex: 1; min-width: 0; line-height: 1.3; }
.row b { display: block; font-size: 12px; }
.row .txt span { font-size: 10.5px; color: var(--muted); }
.row > svg { width: 17px; height: 17px; color: var(--muted); flex: none; margin-right: 4px; }
.tabs { display: flex; justify-content: space-around; align-items: center; padding: 10px 12px 14px; border-top: 1px solid var(--line); background: var(--paper); margin-top: auto; }
.tabs svg { width: 21px; height: 21px; color: var(--muted); }
.tabs svg.on { color: var(--brand); }
.caption { position: relative; z-index: 1; margin: 0; font-size: 13px; color: var(--muted); }
.float {
  position: absolute; z-index: 2; display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: 14px;
  background: var(--paper); border: 1px solid var(--line); box-shadow: var(--shadow); font-size: 13px; font-weight: 700; white-space: nowrap; width: max-content;
}
.float svg { width: 17px; height: 17px; color: var(--brand); flex: none; }
.stage { position: relative; z-index: 1; }
.float.f1 { top: 13%; right: calc(100% - 22px); }
.float.f2 { bottom: 21%; left: calc(100% - 22px); }
@media (max-width: 1200px) { .float { display: none; } }

@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 40px; padding-top: 24px; }
}

/* ---- sections ---- */
section { padding: 72px 0; }
.section-title { margin: 0 0 12px; font-size: clamp(1.7rem, 3.4vw, 2.3rem); line-height: 1.15; letter-spacing: -0.02em; }
.section-lead { margin: 0 0 40px; color: var(--muted); max-width: 40em; }

.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card-f { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); transition: transform 0.2s ease; }
.card-f:hover { transform: translateY(-3px); }
.card-f .ico { width: 48px; height: 48px; border-radius: 14px; background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; margin-bottom: 18px; }
.card-f .ico svg { width: 24px; height: 24px; }
.card-f h3 { margin: 0 0 8px; font-size: 19px; line-height: 1.3; }
.card-f p { margin: 0; color: var(--muted); font-size: 15.5px; }
@media (max-width: 1000px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .cards { grid-template-columns: 1fr; } }

.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: step; }
.steps li { counter-increment: step; position: relative; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 26px 26px 26px; }
.steps li::before {
  content: counter(step); display: grid; place-items: center; width: 38px; height: 38px; margin-bottom: 14px; border-radius: 50%;
  background: var(--brand); color: var(--brand-on); font-weight: 800;
}
.steps h3 { margin: 0 0 6px; font-size: 19px; }
.steps p { margin: 0; color: var(--muted); font-size: 15.5px; }
@media (max-width: 760px) { .steps { grid-template-columns: 1fr; } }

.sources { background: var(--paper); border-block: 1px solid var(--line); }
.groups { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.groups h3 { margin: 0 0 12px; font-size: 15px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.pills { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.pills li { background: var(--bg); border: 1px solid var(--line); border-radius: 999px; padding: 8px 16px; font-weight: 600; font-size: 15.5px; }
.disclaimer { margin: 28px 0 0; padding: 16px 18px; border-radius: 14px; background: var(--accent-soft); color: var(--ink); font-size: 14.5px; border: 1px solid var(--line); }
@media (max-width: 760px) { .groups { grid-template-columns: 1fr; } }

.band { background: linear-gradient(135deg, #002171, #0d47a1 60%, #1f5fc4); color: #fff; border-radius: 28px; padding: 44px; }
.band h2 { margin: 0 0 20px; font-size: clamp(1.6rem, 3vw, 2.1rem); letter-spacing: -0.02em; }
.band ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.band li { display: flex; gap: 12px; align-items: flex-start; font-size: 16px; color: #e6ebfb; }
.band li svg { width: 22px; height: 22px; flex: none; margin-top: 2px; color: #ffd978; }
.band a { color: #fff; }
@media (max-width: 860px) { .band { padding: 30px 24px; } .band ul { grid-template-columns: 1fr; } }

.faq { max-width: 820px; }
.faq details { background: var(--paper); border: 1px solid var(--line); border-radius: 16px; padding: 4px 20px; margin-bottom: 12px; }
.faq summary { cursor: pointer; padding: 16px 0; font-weight: 700; font-size: 17px; list-style: none; display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 24px; line-height: 1; color: var(--brand); flex: none; }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { margin: 0 0 18px; color: var(--muted); }

/* ---- footer ---- */
footer { border-top: 1px solid var(--line); padding: 40px 0 56px; color: var(--muted); font-size: 15px; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px 40px; }
footer nav { display: flex; flex-wrap: wrap; gap: 8px 24px; }
footer a { color: var(--muted); }
footer a:hover { color: var(--ink); }
footer .small { flex-basis: 100%; font-size: 13.5px; }

/* ---- 404 ---- */
.center { min-height: 70vh; display: grid; place-items: center; text-align: center; padding: 40px 20px; }
.center h1 { font-size: clamp(2rem, 6vw, 3rem); }
.center .lead { margin-inline: auto; }
