/* ═══════════════════════════════════════════════════════════
   İsmail Öztürk — ismailozturk.dev
   "Gece Vardiyası": sayfadaki tek ışık kaynağı cihazın ekranı.
   Sıcak altın = marka & etkileşim · Soğuk mavi = cihazın yaydığı ışık
   ═══════════════════════════════════════════════════════════ */

/* ── Tokens ─────────────────────────────────────────────── */
:root {
  --ink:        #0A0C18;
  --ink-2:      #0C0F1E;
  --raise:      #131830;
  --raise-2:    #1A2040;
  --line:       rgba(255, 255, 255, .085);
  --line-2:     rgba(255, 255, 255, .16);

  --text:       #EEEBF3;
  --mute:       #8D93B3;
  --faint:      #7B81A3;   /* küçük punto etiketler için WCAG AA sınırının üstünde */

  --ember:      #F4A83D;
  --ember-hi:   #FFC46B;
  --ember-deep: #A96C15;

  --beam:       #5B7CFA;
  --beam-soft:  rgba(91, 124, 250, .22);

  --display: "Bricolage Grotesque", "Familjen Grotesk", system-ui, sans-serif;
  --body:    "Familjen Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono:    "Martian Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --wrap: 1180px;
  --pad:  clamp(20px, 5vw, 64px);
  --pw:   clamp(290px, 35vw, 508px);   /* yatık telefonun genişliği — çerçeve ölçüleri buna bağlı */

  --r-sm: 8px;
  --r:    14px;
  --r-lg: 22px;

  --ease: cubic-bezier(.22, .68, .3, 1);
}

/* ── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--body);
  font-size: clamp(15.5px, .55vw + 14px, 17.5px);
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3 { margin: 0; font-family: var(--display); font-weight: 800; line-height: .98; letter-spacing: -.025em; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--ember);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip {
  position: fixed; top: 10px; left: 10px; z-index: 200;
  padding: 10px 16px; background: var(--ember); color: #14100A;
  border-radius: var(--r-sm); font-weight: 600;
  transform: translateY(-160%);
  transition: transform .2s var(--ease);
}
.skip:focus { transform: none; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--pad); }

/* ── Ortak parçalar ─────────────────────────────────────── */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: .68rem; font-weight: 500;
  letter-spacing: .2em; text-transform: uppercase; color: var(--mute);
}
.led {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--ember);
  box-shadow: 0 0 0 3px rgba(244, 168, 61, .13), 0 0 12px rgba(244, 168, 61, .6);
}

.section__title {
  font-size: clamp(2.1rem, 4.4vw, 3.4rem);
  margin-block: .5rem 1.1rem;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .82em 1.5em;
  border: 1px solid transparent; border-radius: 999px;
  background: linear-gradient(168deg, var(--ember-hi), var(--ember) 55%, var(--ember-deep));
  color: #17110A;
  font-family: var(--body); font-weight: 600; font-size: .94rem;
  letter-spacing: -.005em; cursor: pointer;
  box-shadow: 0 10px 26px -14px rgba(244, 168, 61, .9);
  transition: transform .18s var(--ease), box-shadow .25s var(--ease), filter .2s var(--ease);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 16px 34px -14px rgba(244, 168, 61, .95); filter: saturate(1.08); }
.btn:active { transform: translateY(0); }

.btn--ghost {
  background: transparent; color: var(--text);
  border-color: var(--line-2); box-shadow: none;
}
.btn--ghost:hover { border-color: var(--ember); color: var(--ember-hi); box-shadow: none; }

.btn--sm { padding: .6em 1.15em; font-size: .86rem; }

.link {
  font-weight: 600; color: var(--ember);
  border-bottom: 1px solid rgba(244, 168, 61, .3);
  padding-bottom: 1px;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}
.link:hover { border-color: var(--ember); color: var(--ember-hi); }
.link--lg { display: inline-block; margin-top: 1.4rem; font-size: 1.05rem; }

/* ── Navigasyon ─────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background .3s var(--ease), border-color .3s var(--ease), backdrop-filter .3s var(--ease);
}
.nav.is-stuck {
  background: rgba(10, 12, 24, .78);
  backdrop-filter: blur(16px) saturate(1.3);
  border-bottom-color: var(--line);
}
.nav__inner {
  max-width: var(--wrap); margin-inline: auto;
  padding: 14px var(--pad);
  display: flex; align-items: center; gap: clamp(12px, 3vw, 40px);
}
.brand { display: flex; align-items: center; gap: 11px; margin-right: auto; }
.brand__mark {
  display: grid; place-items: center;
  width: 32px; height: 32px; border-radius: 9px;
  background: linear-gradient(150deg, var(--ember-hi), var(--ember-deep));
  color: #16110A; font-family: var(--display); font-weight: 800; font-size: .82rem;
  letter-spacing: -.03em;
}
.brand__name { font-family: var(--display); font-weight: 700; font-size: 1.02rem; letter-spacing: -.02em; }

.nav__links { display: flex; gap: clamp(14px, 2vw, 28px); }
.nav__links a {
  font-size: .92rem; color: var(--mute);
  transition: color .2s var(--ease);
}
.nav__links a:hover { color: var(--text); }

.nav__actions { display: flex; align-items: center; gap: 14px; }

.lang { display: flex; align-items: center; gap: 7px; }
.lang__btn {
  background: none; border: 0; padding: 2px;
  font-family: var(--mono); font-size: .68rem; font-weight: 500; letter-spacing: .1em;
  color: var(--faint); cursor: pointer;
  transition: color .2s var(--ease);
}
.lang__btn:hover { color: var(--mute); }
.lang__btn.is-active { color: var(--ember); }
.lang__sep { width: 1px; height: 11px; background: var(--line-2); }

/* ── Hero ───────────────────────────────────────────────── */
.hero {
  position: relative;
  padding-block: clamp(28px, 4.5vh, 62px) clamp(56px, 9vh, 116px);
  overflow: hidden;
}
/* cihazın odaya vurduğu ışık */
.hero::before {
  content: ""; position: absolute; inset: -20% -10% auto auto;
  width: min(1000px, 85vw); aspect-ratio: 1;
  background: radial-gradient(circle at 62% 42%, var(--beam-soft), transparent 62%);
  filter: blur(30px);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  max-width: var(--wrap); margin-inline: auto; padding-inline: var(--pad);
  display: grid; grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(24px, 3.6vw, 52px); align-items: center;
}
.hero__copy { max-width: 40ch; }

.hero__title {
  font-size: clamp(2.6rem, 5vw, 4.15rem);
  margin-block: .9rem 1.15rem;
  letter-spacing: -.038em;
  font-variation-settings: "opsz" 96;
  text-wrap: balance;
}
.hero__title span { display: block; }
.hero__title--lit {
  color: transparent;
  background: linear-gradient(96deg, var(--ember-hi), var(--ember) 42%, #E07B3C);
  -webkit-background-clip: text; background-clip: text;
}

.hero__lede { color: var(--mute); font-size: 1.06rem; max-width: 42ch; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 1.7rem; }

.stack {
  display: flex; flex-wrap: wrap; gap: 7px 17px;
  margin-top: 2rem; padding-top: 1.15rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono); font-size: .59rem; font-weight: 300;
  letter-spacing: .13em; text-transform: uppercase; color: var(--faint);
}

/* ── Cihaz ──────────────────────────────────────────────────
   Oyun yatay oynandığı için telefon da yatık duruyor.
   Ekran, uygulamanın mağazadaki gerçek görüntüsü.            */
.hero__device {
  position: relative; margin: 0;
  display: grid; justify-items: center; gap: 16px;
}

/* Cihaz ekranı sıcak; içinde bulunduğu gece soğuk.
   Hale ekranın kendi rengini yayar — bu yüzden altın, mavi değil. */
.device__halo {
  position: absolute; inset: -34% -18% -22%;
  background: radial-gradient(ellipse at 50% 48%, rgba(244, 168, 61, .30), rgba(226, 132, 52, .09) 44%, transparent 68%);
  filter: blur(28px);
  animation: breathe 7s ease-in-out infinite;
  pointer-events: none;
}
@keyframes breathe {
  0%, 100% { opacity: .85; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.05); }
}

.device__frame {
  position: relative;
  width: var(--pw); aspect-ratio: 19.3 / 9;
  padding: calc(var(--pw) * .015);
  border-radius: calc(var(--pw) * .072);
  background: linear-gradient(158deg, #3A4166, #12162A 38%, #080A14 72%, #262B45);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, .07),
    0 34px 70px -28px rgba(0, 0, 0, .95),
    0 0 90px -26px rgba(244, 168, 61, .45);
  animation: float 9s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0)    rotate(-.9deg); }
  50%      { transform: translateY(-11px) rotate(-.2deg); }
}

/* yatık telefonda tuşlar üst kenara denk gelir */
.device__btn {
  position: absolute; top: -2px; height: 3px; border-radius: 3px;
  background: linear-gradient(180deg, #2E3454, #171B2E);
}
.device__btn--vol { left: 24%; width: 9%; }
.device__btn--pwr { left: 58%; width: 12%; }

.device__screen {
  position: relative; height: 100%; overflow: hidden;
  border-radius: calc(var(--pw) * .058);
  background: #05070E;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12);
}
.device__screen img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
/* cam parlaması: cihazı yüzey gibi okutur */
.device__screen::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(104deg,
    rgba(255, 255, 255, .09) 0%, rgba(255, 255, 255, .02) 24%,
    transparent 46%, transparent 100%);
}
.island {
  position: absolute; left: calc(var(--pw) * .014); top: 50%; transform: translateY(-50%);
  width: calc(var(--pw) * .028); height: 26%;
  background: #05060C; border-radius: 999px; z-index: 6;
}

.device__caption {
  font-family: var(--mono); font-size: .6rem; font-weight: 300;
  letter-spacing: .14em; text-transform: uppercase; color: var(--faint);
  text-align: center;
}

/* ── Bölümler ───────────────────────────────────────────── */
.section { position: relative; padding-block: clamp(56px, 7.6vw, 100px); overflow: hidden; }
/* hero'daki ışık sayfa boyunca zayıflayarak devam eder */
.section--work {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(90% 62% at 82% -6%, rgba(91, 124, 250, .13), transparent 62%),
    var(--ink-2);
}
.section--services { border-top: 1px solid var(--line); }
.section--about {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(70% 50% at 10% 0%, rgba(91, 124, 250, .07), transparent 60%),
    var(--ink-2);
}
.section--contact {
  border-top: 1px solid var(--line);
  background: radial-gradient(75% 55% at 88% 6%, rgba(244, 168, 61, .055), transparent 62%);
}

/* ── İş / vaka ──────────────────────────────────────────── */
.case { margin-top: 1.4rem; }
.case__head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 20px; }
.case__title { font-size: clamp(2.4rem, 5.6vw, 4.2rem); }
.case__kicker { font-family: var(--mono); font-size: .66rem; font-weight: 300; letter-spacing: .14em; text-transform: uppercase; color: var(--mute); }
.case__body { margin-top: 1.5rem; max-width: 62ch; color: var(--mute); font-size: 1.04rem; }

.facts {
  display: grid; gap: 1px; margin-top: 3rem;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  background: var(--line);
  border: 1px solid var(--line); border-radius: var(--r);
  overflow: hidden;
}
.fact {
  display: grid; gap: 7px; align-content: start;
  padding: 1.5rem 1.4rem;
  background: var(--ink-2);
  transition: background .3s var(--ease);
}
.fact:hover { background: var(--raise); }
.fact b { font-family: var(--display); font-weight: 700; font-size: 1.06rem; letter-spacing: -.015em; }
.fact span { font-size: .92rem; color: var(--mute); line-height: 1.5; }

.case__links { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 2.2rem; }
.case__note {
  margin-top: 1.9rem; max-width: 58ch;
  font-size: .88rem; line-height: 1.6; color: var(--mute);
}

/* ── Hizmet kartları ────────────────────────────────────── */
.cards {
  display: grid; gap: 16px; margin-top: 2.6rem;
  grid-template-columns: repeat(auto-fit, minmax(258px, 1fr));
}
.card {
  padding: 1.9rem 1.6rem 2rem;
  border: 1px solid var(--line); border-radius: var(--r-lg);
  background: linear-gradient(178deg, var(--raise), rgba(19, 24, 48, .35));
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(244, 168, 61, .35);
  box-shadow: 0 24px 50px -34px rgba(0, 0, 0, .95);
}
.card__icon {
  width: 40px; height: 40px; margin-bottom: 1.3rem;
  display: grid; place-items: center;
  border-radius: 11px; border: 1px solid var(--line);
  background: rgba(244, 168, 61, .08); color: var(--ember);
}
.card__icon svg { width: 21px; height: 21px; }
.card h3 { font-size: 1.24rem; margin-bottom: .55rem; }
.card p { color: var(--mute); font-size: .96rem; }

/* ── Hakkımda ───────────────────────────────────────────── */
.about {
  display: grid; gap: clamp(32px, 5vw, 72px);
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  align-items: start;
}
.about__p { color: var(--mute); font-size: 1.04rem; margin-top: 1rem; max-width: 52ch; }

.ledger { border-top: 1px solid var(--line); margin-top: .6rem; }
.ledger li {
  display: grid; grid-template-columns: 6.5rem 1fr; gap: 14px;
  padding: 1.05rem 0; border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.ledger span {
  font-family: var(--mono); font-size: .62rem; font-weight: 300;
  letter-spacing: .14em; text-transform: uppercase; color: var(--faint);
}
.ledger b { font-weight: 500; font-size: .96rem; }

/* ── İletişim ───────────────────────────────────────────── */
.contact {
  display: grid; gap: clamp(32px, 5vw, 68px);
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  align-items: start;
}
.contact__lede { color: var(--mute); max-width: 38ch; }
.contact__direct {
  display: inline-block; margin-top: 1.5rem;
  font-family: var(--mono); font-size: .78rem; font-weight: 300; letter-spacing: .03em;
  color: var(--ember);
  border-bottom: 1px solid rgba(244, 168, 61, .3); padding-bottom: 2px;
  overflow-wrap: anywhere;
}
.contact__direct:hover { border-color: var(--ember); }

/* çalışma taahhütleri — teklif istemeden hemen önceki güven notları */
.pledges { display: grid; gap: .8rem; margin-top: 2.4rem; max-width: 42ch; }
.pledges li {
  position: relative; padding-left: 1.6rem;
  font-size: .94rem; line-height: 1.5; color: var(--mute);
}
.pledges li::before {
  content: ""; position: absolute; left: 0; top: .72em;
  width: .75rem; height: 1px; background: var(--ember);
}

.form {
  display: grid; gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line); border-radius: var(--r-lg);
  background: linear-gradient(178deg, var(--raise), rgba(19, 24, 48, .3));
}
.field { display: grid; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label {
  font-family: var(--mono); font-size: .6rem; font-weight: 300;
  letter-spacing: .14em; text-transform: uppercase; color: var(--faint);
}
.field input, .field select, .field textarea {
  width: 100%; padding: .78em .9em;
  background: rgba(8, 10, 20, .55);
  border: 1px solid var(--line); border-radius: var(--r-sm);
  font-size: .95rem; color: var(--text);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.field textarea { resize: vertical; min-height: 108px; line-height: 1.55; }
.field input::placeholder, .field textarea::placeholder { color: var(--faint); }
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--line-2); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--ember); background: rgba(8, 10, 20, .8);
}
.field select { appearance: none; cursor: pointer; padding-right: 2.2em;
  background-image: linear-gradient(45deg, transparent 50%, var(--mute) 50%), linear-gradient(135deg, var(--mute) 50%, transparent 50%);
  background-position: calc(100% - 18px) calc(50% + 1px), calc(100% - 13px) calc(50% + 1px);
  background-size: 5px 5px, 5px 5px; background-repeat: no-repeat;
}
.field select option { background: var(--raise-2); color: var(--text); }
.field .is-invalid { border-color: #D5573B; }

.form__actions { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 10px; margin-top: .3rem; }
.form__note {
  grid-column: 1 / -1;
  font-family: var(--mono); font-size: .6rem; font-weight: 300;
  letter-spacing: .07em; line-height: 1.7; color: var(--faint);
}
.form__note.is-error { color: #E88B72; }

/* ── Alt bilgi ──────────────────────────────────────────── */
.foot { border-top: 1px solid var(--line); padding-block: 2rem 2.6rem; }
.foot__inner {
  display: flex; flex-wrap: wrap; gap: 12px 26px; justify-content: space-between;
  font-family: var(--mono); font-size: .62rem; font-weight: 300;
  letter-spacing: .1em; color: var(--faint);
}
.foot__links { display: flex; flex-wrap: wrap; gap: 20px; }
.foot__links a { transition: color .2s var(--ease); overflow-wrap: anywhere; }
.foot__links a:hover { color: var(--ember); }

/* ── Görünürlük animasyonu ──────────────────────────────────
   Yalnızca JS varken gizlenir; JS yoksa her şey olduğu gibi durur. */
.js .reveal { opacity: 0; transform: translateY(16px); }
.js .reveal.is-in {
  opacity: 1; transform: none;
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  transition-delay: calc(var(--d, 0) * 85ms);
}

/* ── Duyarlılık ─────────────────────────────────────────── */
@media (max-width: 980px) {
  .hero__inner  { grid-template-columns: 1fr; justify-items: start; }
  .hero__copy   { max-width: 30ch; }
  .hero__device { justify-self: center; margin-top: 8px; }
  .about, .contact { grid-template-columns: 1fr; }
  .ledger { max-width: 520px; }
}
@media (max-width: 720px) {
  :root { --pw: min(92vw, 440px); }
  .nav__links { display: none; }
  .hero { padding-top: 18px; }
  .hero__copy { max-width: 100%; }
  .hero__title { font-size: clamp(2.7rem, 12.5vw, 4rem); }
  .form { grid-template-columns: 1fr; }
  .form__actions .btn { flex: 1 1 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .device__frame, .device__halo { animation: none; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}