/* =========================================================================
   [MARKA_ADI] eSIM — tasarım sistemi
   Kadranlar: VARIANCE 5 · MOTION 3 · DENSITY 4  (trust-first / regüle iş)
   Mobil öncelikli: taban 375px, min-width kırılımları 720 / 1080 / 1360
   ========================================================================= */

:root {
  --ink: #0C1A20;
  --ink-soft: #33474F;
  --muted: #6B8089;
  --line: #DCD8CE;
  --sand: #F4F1EA;
  --sand-deep: #EBE6DA;
  --paper: #FFFFFF;
  --teal: #0E6E63;
  --teal-deep: #0A5850;
  --teal-wash: #E6F1EF;
  --signal: #C2410C;
  --signal-wash: #FDF3EC;

  --radius: 12px;
  --radius-lg: 18px;
  --shadow: 0 1px 2px rgba(12, 26, 32, .06), 0 8px 24px -12px rgba(12, 26, 32, .16);
  --shadow-lift: 0 2px 4px rgba(12, 26, 32, .07), 0 18px 40px -18px rgba(12, 26, 32, .28);

  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --font-display: "Bricolage Grotesque", "Segoe UI", "Trebuchet MS", sans-serif;
  --font-body: "Manrope", "Segoe UI", "Helvetica Neue", Arial, sans-serif;

  --shell: 1220px;
  --gutter: 20px;
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink-soft);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.12;
  letter-spacing: -0.022em;
  margin: 0 0 12px;
  font-weight: 600;
}

h1 { font-size: 2.05rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.1rem; }

p { margin: 0 0 16px; }
a { color: var(--teal); text-decoration: none; }
a:hover { color: var(--teal-deep); }
img, svg { max-width: 100%; }

.shell { width: 100%; max-width: var(--shell); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: 52px 0; }
.section--sand { background: var(--sand); }
.section__head { max-width: 620px; margin-bottom: 28px; }
.section__head p { color: var(--muted); margin: 0; }

.eyebrow {
  font-size: .72rem; font-weight: 700; letter-spacing: .13em;
  text-transform: uppercase; color: var(--teal); margin: 0 0 10px;
}

/* --- butonlar ---------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 12px 22px; border-radius: 10px; border: 1px solid transparent;
  font-family: var(--font-body); font-size: .95rem; font-weight: 700;
  cursor: pointer; text-align: center;
  transition: background-color 160ms var(--ease-out), border-color 160ms var(--ease-out),
              color 160ms var(--ease-out), transform 120ms var(--ease-out);
}
.btn--primary { background: var(--teal); color: #fff; }
.btn--primary:hover { background: var(--teal-deep); color: #fff; }
.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: #16323C; color: #fff; }
.btn--ghost { background: transparent; border-color: var(--line); color: var(--ink); }
.btn--ghost:hover { border-color: var(--ink); color: var(--ink); }
.btn--wide { width: 100%; }
.btn:active { transform: scale(.97); }
.btn:focus-visible, a:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 2px solid var(--teal); outline-offset: 2px;
}

/* --- üst çubuk --------------------------------------------------------- */
.topbar {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar__inner { display: flex; align-items: center; gap: 16px; height: 62px; }
.brand { display: flex; align-items: center; gap: 9px; font-family: var(--font-display);
         font-weight: 700; font-size: 1.12rem; color: var(--ink); letter-spacing: -.02em; }
.brand:hover { color: var(--ink); }
.brand__mark { display: flex; align-items: flex-end; gap: 2.5px; height: 18px; }
.brand__mark i { display: block; width: 4px; background: var(--teal); border-radius: 1px; }
.brand__mark i:nth-child(1) { height: 7px; }
.brand__mark i:nth-child(2) { height: 12px; }
.brand__mark i:nth-child(3) { height: 18px; }

.topnav { display: none; margin-left: auto; gap: 26px; }
.topnav a { color: var(--ink-soft); font-size: .92rem; font-weight: 600;
            transition: color 160ms var(--ease-out); }
.topnav a:hover, .topnav a[aria-current="page"] { color: var(--teal); }

.topbar__end { display: flex; align-items: center; gap: 10px; margin-left: auto; }
/* Dokunma hedefi >= 44x44 (rapor §6). */
.lang {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 44px; min-height: 44px;
  border: 1px solid var(--line); border-radius: 8px; padding: 0 11px;
  font-size: .78rem; font-weight: 700; letter-spacing: .04em; color: var(--ink);
  transition: border-color 160ms var(--ease-out), background-color 160ms var(--ease-out);
}
.lang:hover { border-color: var(--ink); background: var(--sand); color: var(--ink); }
.topbar__cta { display: none; }

/* --- hero -------------------------------------------------------------- */
.hero { background: var(--ink); color: #C9D6DA; padding: 54px 0 0; position: relative; overflow: hidden; }
.hero::after {
  content: ""; position: absolute; inset: auto -30% -55% 45%; height: 320px;
  background: radial-gradient(closest-side, rgba(14, 110, 99, .38), transparent 72%);
  pointer-events: none;
}
.hero__inner { position: relative; z-index: 1; }
.hero h1 { color: #fff; font-size: 2.3rem; max-width: 15ch; }
.hero__lede { color: #A9BDC2; font-size: 1.03rem; max-width: 46ch; margin-bottom: 26px; }
.hero__actions { display: flex; flex-direction: column; gap: 10px; }
.hero__stats {
  display: grid; grid-template-columns: 1fr; gap: 1px;
  margin-top: 42px; background: rgba(255, 255, 255, .12);
  border-top: 1px solid rgba(255, 255, 255, .12);
}
.hero__stat { background: var(--ink); padding: 18px 0; }
.hero__stat dt { font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: #7E979E; }
.hero__stat dd { margin: 4px 0 0; font-family: var(--font-display); font-size: 1.3rem; color: #fff; }

.trustbar { background: var(--sand); border-bottom: 1px solid var(--line); }
.trustbar ul {
  display: grid; gap: 10px; list-style: none; margin: 0; padding: 16px 0;
  font-size: .84rem; color: var(--ink-soft);
}
.trustbar li { display: flex; align-items: center; gap: 8px; }
.trustbar svg { flex: none; color: var(--teal); }

/* --- katalog ----------------------------------------------------------- */
.grid { display: grid; gap: 14px; grid-template-columns: 1fr; }

.card {
  display: flex; flex-direction: column; gap: 10px;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 20px; box-shadow: var(--shadow); color: inherit;
  transition: border-color 180ms var(--ease-out), box-shadow 180ms var(--ease-out),
              transform 180ms var(--ease-out);
}
a.card:hover { border-color: var(--teal); box-shadow: var(--shadow-lift); transform: translateY(-2px); color: inherit; }
.card__top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.card__region { font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.card h3 { margin: 4px 0 0; font-size: 1.16rem; }
.card__flag {
  flex: none; font-family: var(--font-display); font-size: .78rem; font-weight: 700;
  letter-spacing: .1em; color: var(--muted);
  border: 1px solid var(--line); border-radius: 6px; padding: 3px 7px;
}
.split { display: grid; gap: 24px; }
.grid--feature .card { padding: 24px; }
.card__networks { font-size: .82rem; color: var(--muted); margin: 0; }
.card__foot {
  display: flex; align-items: baseline; justify-content: space-between; gap: 10px;
  margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line);
}
.price { font-family: var(--font-display); font-size: 1.45rem; color: var(--ink); font-weight: 600; }
.price small { font-size: .74rem; color: var(--muted); font-weight: 500; display: block; letter-spacing: .06em; text-transform: uppercase; }
.card__link { font-size: .88rem; font-weight: 700; color: var(--teal); }

.badge {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 9px;
  border-radius: 999px; background: var(--teal-wash); color: var(--teal-deep);
  font-size: .7rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
}
.badge--sand { background: var(--sand-deep); color: var(--ink-soft); }

/* --- ürün sayfası ------------------------------------------------------ */
.crumb { font-size: .84rem; color: var(--muted); padding-top: 22px; }
.product { display: grid; gap: 28px; padding: 20px 0 8px; }
.product__title { display: flex; align-items: center; gap: 12px; }
.product__title .card__flag { font-size: .82rem; padding: 5px 9px; }

.plans { display: grid; gap: 10px; margin: 0 0 20px; padding: 0; border: 0; }
.plan {
  display: flex; align-items: center; gap: 14px; cursor: pointer;
  border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px;
  background: var(--paper);
  transition: border-color 160ms var(--ease-out), background-color 160ms var(--ease-out);
}
.plan:hover { border-color: var(--muted); }
.plan input { accent-color: var(--teal); width: 18px; height: 18px; flex: none; }
.plan__body { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; width: 100%; }
.plan__gb { font-family: var(--font-display); font-size: 1.05rem; color: var(--ink); font-weight: 600; }
.plan__days { font-size: .84rem; color: var(--muted); }
.plan__price { font-family: var(--font-display); font-size: 1.12rem; color: var(--ink); font-weight: 600; }
.plan:has(input:checked) { border-color: var(--teal); background: var(--teal-wash); }
.plan:has(input:focus-visible) { outline: 2px solid var(--teal); outline-offset: 2px; }

.field { display: block; margin-bottom: 16px; }
.field span { display: block; font-size: .82rem; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.field input {
  width: 100%; padding: 13px 14px; font-family: var(--font-body); font-size: 1rem;
  border: 1px solid var(--line); border-radius: 10px; background: var(--paper); color: var(--ink);
  transition: border-color 160ms var(--ease-out);
}
.field input:hover { border-color: var(--muted); }
.field input:focus { border-color: var(--teal); outline: none; box-shadow: 0 0 0 3px var(--teal-wash); }
.field small { display: block; margin-top: 6px; font-size: .78rem; color: var(--muted); }

.panel { background: var(--sand); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 20px; }
.panel h3 { font-size: .96rem; margin-bottom: 12px; }

.speclist { list-style: none; margin: 0; padding: 0; }
.speclist li { display: flex; justify-content: space-between; gap: 16px; padding: 9px 0;
               border-bottom: 1px solid var(--line); font-size: .88rem; }
.speclist li:last-child { border-bottom: 0; }
.speclist span:first-child { color: var(--muted); }
.speclist span:last-child { color: var(--ink); font-weight: 600; text-align: right; }

.checklist { list-style: none; margin: 0; padding: 0; }
.checklist li { display: flex; gap: 10px; padding: 7px 0; font-size: .9rem; color: var(--ink-soft); }
.checklist svg { flex: none; color: var(--teal); margin-top: 3px; }

/* --- adımlar / SSS ----------------------------------------------------- */
.steps { display: grid; gap: 14px; counter-reset: step; list-style: none; padding: 0; margin: 0; }
.step { display: flex; gap: 16px; background: var(--paper); border: 1px solid var(--line);
        border-radius: var(--radius-lg); padding: 18px; }
.step__no {
  flex: none; width: 32px; height: 32px; border-radius: 9px; background: var(--ink); color: #fff;
  display: grid; place-items: center; font-family: var(--font-display); font-size: .92rem; font-weight: 600;
}
.step h3 { font-size: 1rem; margin-bottom: 4px; }
.step p { margin: 0; font-size: .9rem; color: var(--muted); }

.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 17px 0; cursor: pointer; list-style: none;
  font-family: var(--font-display); font-size: 1rem; font-weight: 600; color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; font-size: 1.3rem; color: var(--teal); line-height: 1;
  transition: transform 180ms var(--ease-out);
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq p { margin: 0 0 18px; font-size: .92rem; color: var(--ink-soft); max-width: 68ch; }

/* --- checkout / sonuç -------------------------------------------------- */
.narrow { max-width: 560px; margin: 0 auto; }
.summary { list-style: none; margin: 0 0 18px; padding: 0; }
.summary li { display: flex; justify-content: space-between; gap: 16px; padding: 11px 0;
              border-bottom: 1px solid var(--line); font-size: .92rem; }
.summary li:last-child { border-bottom: 0; }
.summary .total { font-family: var(--font-display); font-size: 1.25rem; color: var(--ink); font-weight: 600; }
.notice { padding: 13px 15px; border-radius: 10px; font-size: .86rem; }
.notice--warn { background: var(--signal-wash); border-left: 3px solid var(--signal); color: #7A2E0C; }
.notice--ok { background: var(--teal-wash); border-left: 3px solid var(--teal); color: var(--teal-deep); }
.fineprint { font-size: .78rem; color: var(--muted); }

.receipt { text-align: center; padding: 44px 0; }
.receipt__mark {
  width: 56px; height: 56px; border-radius: 50%; background: var(--teal-wash);
  display: grid; place-items: center; margin: 0 auto 18px; color: var(--teal);
}
.receipt code {
  display: inline-block; margin: 4px 0 20px; padding: 8px 14px; background: var(--sand);
  border: 1px solid var(--line); border-radius: 8px; font-size: .92rem; color: var(--ink);
}

/* --- alt bilgi --------------------------------------------------------- */
.footer { background: var(--ink); color: #8DA3A9; padding: 40px 0 26px; margin-top: 8px; }
.footer h4 { color: #fff; font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 12px; }
.footer a { color: #B9C9CD; font-size: .88rem; }
.footer a:hover { color: #fff; }
.footer__grid { display: grid; gap: 26px; }
.footer__brand { display: flex; align-items: center; gap: 9px; color: #fff;
                 font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.footer__legal {
  margin-top: 30px; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, .12);
  font-size: .76rem; line-height: 1.7; color: #7E969C;
}

/* --- kırılımlar -------------------------------------------------------- */
@media (min-width: 720px) {
  :root { --gutter: 28px; }
  h1 { font-size: 2.6rem; }
  h2 { font-size: 1.85rem; }
  .section { padding: 68px 0; }
  .hero { padding-top: 72px; }
  .hero h1 { font-size: 3rem; }
  .hero__actions { flex-direction: row; }
  .hero__stats { grid-template-columns: repeat(3, 1fr); gap: 1px; }
  .hero__stat { padding: 20px 22px; }
  .hero__stat:first-child { padding-left: 0; }
  .trustbar ul { grid-template-columns: repeat(3, 1fr); }
  .grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
  .product { grid-template-columns: 1fr; }
}

@media (min-width: 1080px) {
  .topnav { display: flex; }
  .topbar__cta { display: inline-flex; }
  .hero { padding-top: 90px; }
  .hero h1 { font-size: 3.5rem; }
  .hero__lede { font-size: 1.12rem; }
  .grid { grid-template-columns: repeat(3, 1fr); gap: 18px; }
  .split { grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 56px; align-items: center; }
  .split .grid--feature { grid-template-columns: 1fr; }
  .section { padding: 84px 0; }
  .product { grid-template-columns: minmax(0, 1.55fr) minmax(320px, .95fr); gap: 44px; }
  .product__aside { position: sticky; top: 86px; align-self: start; }
  .steps { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 1360px) {
  h1 { font-size: 2.8rem; }
  .hero h1 { font-size: 3.9rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}