/* =========================================================
   ismailislak.com — "Yapım Aşamasında" sayfası
   Saf CSS · kütüphane yok · açık/koyu tema · mobil uyumlu
   Palet: kobalt mavisi · camgöbeği · limon yeşili · mandalina
   ========================================================= */

:root {
  --bg: #F2F5FA;
  --bg-soft: #E8EDF5;
  --surface: #FFFFFF;
  --ink: #0E1A2B;
  --ink-soft: #55627A;
  --line: #D9E1EC;
  --accent: #2F5BEA;       /* kobalt */
  --accent-ink: #FFFFFF;
  --accent-soft: #DDE6FF;
  --cyan: #16B3D6;
  --lime: #8CCB3E;
  --amber: #FF8A3D;        /* mandalina */
  --success: #13966A;
  --danger: #D63B4A;
  --info: #1C8FD8;
  --focus: #6E8BFF;

  --radius-s: 10px;
  --radius-m: 16px;
  --radius-l: 28px;
  --shadow: 0 1px 2px rgba(14, 26, 43, .06), 0 12px 32px -12px rgba(14, 26, 43, .18);
  --shadow-lg: 0 24px 60px -20px rgba(14, 26, 43, .32);

  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --maxw: 1120px;
  --gutter: clamp(16px, 4vw, 40px);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0B1220;
    --bg-soft: #111A2C;
    --surface: #152036;
    --ink: #EEF3FB;
    --ink-soft: #9FB0C8;
    --line: #26344D;
    --accent: #5B82FF;
    --accent-ink: #07102A;
    --accent-soft: #18264A;
    --success: #34C98F;
    --danger: #FF6B78;
    --info: #5CB8FF;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 12px 32px -12px rgba(0, 0, 0, .6);
    --shadow-lg: 0 24px 60px -20px rgba(0, 0, 0, .8);
  }
}

/* ---------- Temel ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 110% -10%, var(--accent-soft), transparent 60%),
    radial-gradient(900px 500px at -10% 30%, color-mix(in srgb, var(--cyan) 16%, transparent), transparent 60%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 6px; }

.skip-link {
  position: absolute; left: 12px; top: -48px; z-index: 50;
  padding: 8px 14px; border-radius: 999px;
  background: var(--ink); color: var(--bg); text-decoration: none;
  transition: top .2s;
}
.skip-link:focus { top: 12px; }

/* ---------- Header ---------- */
.site-header {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 20px var(--gutter);
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; letter-spacing: -.01em; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 11px;
  display: grid; place-items: center;
  background: var(--ink); color: var(--bg);
  font-weight: 800; font-size: 18px;
  transform: rotate(6deg);
  box-shadow: -4px 4px 0 var(--cyan);
}
.brand-name { font-size: 17px; }

.lang-switch {
  display: inline-flex; padding: 4px; gap: 2px;
  border-radius: 999px; background: var(--surface);
  border: 1px solid var(--line); box-shadow: var(--shadow);
}
.lang-btn {
  border: 0; background: transparent; cursor: pointer;
  padding: 6px 12px; border-radius: 999px;
  font-size: 13px; font-weight: 700; letter-spacing: .04em; color: var(--ink-soft);
  transition: background .2s, color .2s;
}
.lang-btn[aria-pressed="true"] { background: var(--ink); color: var(--bg); }

/* ---------- Hero ---------- */
main { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }

.hero {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: clamp(24px, 5vw, 64px);
  padding: clamp(24px, 6vw, 72px) 0 clamp(32px, 6vw, 64px);
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  margin: 0 0 18px;
  padding: 6px 14px 6px 10px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--line);
  font-size: 13px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--ink-soft);
}
.pulse {
  width: 10px; height: 10px; border-radius: 50%; background: var(--lime);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--lime) 60%, transparent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  70% { box-shadow: 0 0 0 10px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}
h1 {
  margin: 0 0 16px;
  font-size: clamp(34px, 6vw, 60px);
  line-height: 1.05;
  letter-spacing: -.03em;
  font-weight: 800;
  text-wrap: balance;
}
.lead {
  margin: 0 0 28px;
  max-width: 34em;
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--ink-soft);
  text-wrap: pretty;
}

.progress { display: flex; flex-direction: column; gap: 8px; margin: 0 0 28px; max-width: 420px; }
.progress-track {
  height: 12px; border-radius: 999px; overflow: hidden;
  background: var(--bg-soft); border: 1px solid var(--line);
}
.progress-bar {
  height: 100%; width: 68%;
  border-radius: inherit;
  background:
    repeating-linear-gradient(-45deg, rgba(255,255,255,.35) 0 10px, transparent 10px 20px),
    linear-gradient(90deg, var(--cyan), var(--accent));
  background-size: 28px 28px, 100% 100%;
  animation: stripes 1.2s linear infinite, grow 2.4s cubic-bezier(.2,.8,.2,1) both;
}
@keyframes stripes { to { background-position: 28px 0, 0 0; } }
@keyframes grow { from { width: 8%; } }
.progress-label { font-size: 14px; color: var(--ink-soft); }

/* ---------- Butonlar ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 12px 22px;
  border-radius: 999px; border: 0; cursor: pointer;
  font-weight: 700; text-decoration: none;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, opacity .2s;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn-ghost { background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); }
.btn-ghost:hover { transform: translateY(-2px); }
.btn-primary {
  width: 100%;
  background: var(--accent); color: var(--accent-ink);
  box-shadow: 0 10px 24px -10px color-mix(in srgb, var(--accent) 80%, transparent);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 14px 28px -10px color-mix(in srgb, var(--accent) 90%, transparent); }
.btn[disabled] { cursor: progress; opacity: .8; transform: none; }

.spinner {
  display: none;
  width: 18px; height: 18px; border-radius: 50%;
  border: 2.5px solid currentColor; border-right-color: transparent;
  animation: spin .7s linear infinite;
}
.btn.is-loading .spinner { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- İllüstrasyon ---------- */
.hero-art { position: relative; }
.illustration { width: 100%; height: auto; max-width: 480px; margin-inline: auto; overflow: visible; }
.blob { fill: var(--accent-soft); }
.blob-dots { fill: url(#grid-dots); }
.grid-dot { fill: var(--accent); opacity: .28; }

.window { animation: float 6s ease-in-out infinite; transform-box: view-box; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
.win-body { fill: var(--surface); stroke: var(--ink); stroke-width: 3; }
.win-bar { fill: var(--ink); }
.win-url { fill: var(--bg); opacity: .22; }
.dot-a { fill: var(--amber); }
.dot-b { fill: var(--lime); }
.dot-c { fill: var(--cyan); }
.sk-ink { fill: var(--ink); }
.sk-line { fill: var(--line); }
.sk-btn { fill: var(--accent); }
.card-a { fill: var(--cyan); }
.card-b { fill: var(--lime); }
.ghost { fill: none; stroke: var(--line); stroke-width: 2.5; stroke-dasharray: 6 5; }

.drag { transform-box: view-box; transform-origin: 299px 177px; animation: drag 5s cubic-bezier(.65, 0, .35, 1) infinite; }
@keyframes drag {
  0%, 14%   { transform: translate(54px, -80px) rotate(6deg); }
  46%, 82%  { transform: translate(0, 0) rotate(0); }
  100%      { transform: translate(54px, -80px) rotate(6deg); }
}
.drag-block { fill: var(--accent); }
.drag-img { fill: #fff; opacity: .92; }
.cursor { fill: var(--ink); stroke: var(--surface); stroke-width: 2; stroke-linejoin: round; }

.gear { fill-rule: evenodd; transform-box: fill-box; transform-origin: center; }
.gear-a { fill: var(--amber); animation: spin 10s linear infinite; }
.gear-b { fill: var(--ink); animation: spin 8s linear infinite reverse; }

.plane-g { animation: glide 5s ease-in-out infinite; transform-box: view-box; }
@keyframes glide { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(6px, -6px); } }
.plane { fill: var(--cyan); }
.plane-fold { stroke: var(--ink); stroke-width: 2; stroke-linecap: round; opacity: .35; }
.trail { fill: none; stroke: var(--ink-soft); stroke-width: 2; stroke-dasharray: 4 5; stroke-linecap: round; opacity: .7; }

.spark { fill: none; stroke: var(--lime); stroke-width: 4; stroke-linecap: round; animation: twinkle 2.6s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
.s2 { stroke: var(--cyan); animation-delay: .8s; }
.s3 { fill: var(--amber); stroke: none; animation-delay: 1.5s; }
@keyframes twinkle { 0%, 100% { opacity: .35; transform: scale(.8); } 50% { opacity: 1; transform: scale(1.15); } }

/* ---------- İletişim kartı ---------- */
.contact { padding: 8px 0 clamp(48px, 8vw, 96px); scroll-margin-top: 24px; }
.card {
  max-width: 680px; margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-lg);
  padding: clamp(22px, 5vw, 44px);
}
.card-head h2 { margin: 0 0 6px; font-size: clamp(24px, 3.4vw, 32px); letter-spacing: -.02em; line-height: 1.15; }
.card-head p { margin: 0 0 24px; color: var(--ink-soft); }

.form { display: grid; gap: 18px; }
.field { display: grid; gap: 6px; }
.label-row { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
label { font-weight: 650; font-size: 15px; }
.counter { font-size: 12px; color: var(--ink-soft); font-variant-numeric: tabular-nums; }

input, select, textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-m);
  border: 1.5px solid var(--line);
  background: var(--bg);
  transition: border-color .2s, box-shadow .2s, background .2s;
  font-size: 16px; /* iOS zoom engeli */
}
textarea { resize: vertical; min-height: 140px; line-height: 1.5; }
input::placeholder, textarea::placeholder { color: color-mix(in srgb, var(--ink-soft) 70%, transparent); }
input:hover, select:hover, textarea:hover { border-color: color-mix(in srgb, var(--ink-soft) 40%, var(--line)); }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--focus);
  background: var(--surface);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--focus) 22%, transparent);
}
.select-wrap { position: relative; }
.select-wrap::after {
  content: ""; position: absolute; right: 18px; top: 50%;
  width: 8px; height: 8px; margin-top: -6px;
  border-right: 2px solid var(--ink-soft); border-bottom: 2px solid var(--ink-soft);
  transform: rotate(45deg); pointer-events: none;
}
select { appearance: none; -webkit-appearance: none; padding-right: 44px; cursor: pointer; }

.field.is-invalid input, .field.is-invalid select, .field.is-invalid textarea {
  border-color: var(--danger);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--danger) 14%, transparent);
}
.field.is-valid input, .field.is-valid select, .field.is-valid textarea { border-color: color-mix(in srgb, var(--success) 60%, var(--line)); }
.error { margin: 0; min-height: 0; font-size: 13.5px; color: var(--danger); font-weight: 550; }
.error:empty { display: none; }

.hp { position: absolute !important; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.form-note { margin: 2px 0 0; font-size: 13px; color: var(--ink-soft); text-align: center; }
.form-note a { color: var(--accent); }

/* ---------- Footer ---------- */
.site-footer {
  max-width: var(--maxw); margin: 0 auto;
  padding: 24px var(--gutter) 40px;
  text-align: center; font-size: 14px; color: var(--ink-soft);
}
.site-footer p { margin: 0; }
.site-footer a { text-decoration: none; border-bottom: 1px solid var(--line); }
.site-footer a:hover { color: var(--ink); border-color: var(--ink); }

/* ---------- Toast ---------- */
.toasts {
  position: fixed; z-index: 100;
  top: max(16px, env(safe-area-inset-top)); right: 16px;
  display: flex; flex-direction: column; gap: 12px;
  width: min(380px, calc(100vw - 32px));
  pointer-events: none;
}
.toast {
  --tone: var(--info);
  pointer-events: auto;
  position: relative; overflow: hidden;
  display: grid; grid-template-columns: 36px 1fr auto; gap: 12px; align-items: start;
  padding: 14px 14px 16px;
  border-radius: var(--radius-m);
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 5px solid var(--tone);
  box-shadow: var(--shadow-lg);
  animation: toast-in .35s cubic-bezier(.2, .9, .3, 1.2) both;
}
.toast.is-leaving { animation: toast-out .25s ease forwards; }
.toast--success { --tone: var(--success); }
.toast--error { --tone: var(--danger); }
.toast--info { --tone: var(--info); }
.toast-icon {
  width: 36px; height: 36px; border-radius: 50%;
  display: grid; place-items: center;
  background: color-mix(in srgb, var(--tone) 15%, transparent); color: var(--tone);
}
.toast-icon svg { width: 20px; height: 20px; }
.toast--info .toast-icon svg { animation: spin 1s linear infinite; }
.toast-title { margin: 0; font-weight: 750; font-size: 15px; line-height: 1.35; }
.toast-msg { margin: 2px 0 0; font-size: 14px; color: var(--ink-soft); line-height: 1.45; overflow-wrap: anywhere; }
.toast-close {
  border: 0; background: transparent; cursor: pointer;
  width: 30px; height: 30px; border-radius: 8px; margin: -4px -4px 0 0;
  color: var(--ink-soft); font-size: 20px; line-height: 1;
}
.toast-close:hover { background: var(--bg-soft); color: var(--ink); }
.toast-timer {
  position: absolute; left: 0; bottom: 0; height: 3px; width: 100%;
  background: var(--tone); opacity: .5; transform-origin: left;
  animation: timer linear forwards;
}
@keyframes timer { to { transform: scaleX(0); } }
@keyframes toast-in { from { opacity: 0; transform: translateY(-12px) scale(.96); } }
@keyframes toast-out { to { opacity: 0; transform: translateX(24px); } }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; text-align: center; }
  .hero-text { display: flex; flex-direction: column; align-items: center; }
  .lead { margin-inline: auto; }
  .progress { width: 100%; }
  .hero-art { order: -1; }
  .illustration { max-width: 340px; }
}
@media (max-width: 480px) {
  .toasts { left: 16px; right: 16px; width: auto; }
  .brand-name { font-size: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

/* ---------- Yasal sayfalar (privacy.html, terms.html) ---------- */
.legal { max-width: 760px; margin: 0 auto; padding: clamp(16px, 4vw, 40px) 0 clamp(48px, 8vw, 96px); }
.legal-card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius-l); box-shadow: var(--shadow);
  padding: clamp(22px, 5vw, 48px);
}
.legal h1 { font-size: clamp(30px, 5vw, 44px); margin-bottom: 8px; }
.legal .updated { margin: 0 0 28px; color: var(--ink-soft); font-size: 14px; }
.legal h2 { font-size: 20px; letter-spacing: -.01em; margin: 32px 0 8px; line-height: 1.3; }
.legal h3 { font-size: 16px; margin: 20px 0 6px; }
.legal p, .legal li { color: var(--ink); }
.legal ul { padding-left: 1.2em; margin: 8px 0 12px; }
.legal li { margin: 4px 0; }
.legal a { color: var(--accent); text-underline-offset: 3px; }
.legal .muted { color: var(--ink-soft); }
.legal table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 14.5px; display: block; overflow-x: auto; }
.legal th, .legal td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.legal th { font-weight: 700; background: var(--bg-soft); }
.legal .back { display: inline-flex; margin-top: 32px; }

/* 404 */
.center-page { min-height: 70vh; display: grid; place-items: center; text-align: center; padding: 24px 0; }
.center-page .big { font-size: clamp(72px, 16vw, 140px); font-weight: 800; letter-spacing: -.05em; line-height: 1; margin: 0; color: var(--accent); }

/* ---------- /contact rotası (aynı sayfa, sadece form görünümü) ---------- */
.back-home { display: none; }
.route-contact .hero { display: none; }
.route-contact .contact { padding-top: clamp(8px, 3vw, 32px); }
.route-contact .back-home {
  display: block;
  max-width: 680px; margin: 0 auto 14px; padding: 0 4px;
  font-size: 14px; font-weight: 650; color: var(--ink-soft); text-decoration: none;
  transition: color .2s;
}
.route-contact .back-home:hover { color: var(--ink); }