/* Socifly Yazılım — socifly.com.tr */
:root {
  --ink: #04121a;
  --ink-2: #08202a;
  --line: rgba(160, 220, 215, .14);
  --text: #e9f5f1;
  --muted: #8fb0b0;
  --teal: #0e8bb4;
  --green: #3fca90;
  --grad: linear-gradient(135deg, #0e8bb4, #3fca90);
  --display: "Unbounded", system-ui, sans-serif;
  --body: "Manrope", system-ui, sans-serif;
  --ease: cubic-bezier(.2, .7, .1, 1);
  --pad: clamp(20px, 5vw, 72px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background:
    radial-gradient(1200px 700px at 85% -10%, rgba(14, 139, 180, .22), transparent 60%),
    radial-gradient(900px 600px at -10% 110%, rgba(63, 202, 144, .12), transparent 60%),
    var(--ink);
  background-attachment: fixed;
  color: var(--text);
  font: 400 1.0625rem/1.65 var(--body);
  overflow-x: hidden;
}
h1, h2, h3, p, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--green); outline-offset: 4px; border-radius: 4px; }
::selection { background: var(--green); color: var(--ink); }

.skip { position: fixed; left: 12px; top: -60px; z-index: 100; background: var(--text); color: var(--ink); padding: 10px 16px; border-radius: 8px; }
.skip:focus { top: 12px; }

#scene { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
.glow {
  position: fixed; left: 0; top: 0; width: 520px; height: 520px; margin: -260px 0 0 -260px; z-index: 0;
  background: radial-gradient(closest-side, rgba(63, 202, 144, .13), transparent);
  transform: translate3d(var(--gx, -999px), var(--gy, -999px), 0);
  pointer-events: none;
}
.progress { position: fixed; left: 0; top: 0; height: 3px; width: 100%; z-index: 30; background: var(--grad); transform-origin: 0 50%; transform: scaleX(var(--p, 0)); }

main, .footer { position: relative; z-index: 1; }
.wrap { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 var(--pad); }

/* ---------- Üst menü ---------- */
/* Sayfanın başında geniş ve saydam durur; kaydırınca ortada yüzen bir kapsüle toplanır. */
.header { position: fixed; inset: 0 0 auto 0; z-index: 20; padding: 16px var(--pad); pointer-events: none; }
.header__bar {
  position: relative; isolation: isolate; pointer-events: auto;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 16px;
  max-width: 1280px; margin: 0 auto; padding: 6px 0; border-radius: 999px;
  transition: max-width .7s var(--ease), padding .7s var(--ease);
}
/* Bulanık zemin ayrı bir katmanda: böylece tam ekran mobil menü kapsülün içine hapsolmaz */
.header__bar::before {
  content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit;
  background: linear-gradient(120deg, rgba(14, 60, 74, .62), rgba(5, 24, 32, .72));
  backdrop-filter: blur(16px) saturate(1.3); -webkit-backdrop-filter: blur(16px) saturate(1.3);
  box-shadow: inset 0 0 0 1px var(--line), 0 18px 50px -22px rgba(0, 0, 0, .9);
  opacity: 0; transition: opacity .5s;
}
/* Kapsülün alt kenarında sayfa ilerleme çizgisi */
.header__bar::after {
  content: ""; position: absolute; left: 26px; right: 26px; bottom: 0; height: 2px; border-radius: 2px;
  background: var(--grad); transform-origin: 0 50%; transform: scaleX(var(--p, 0)); opacity: 0; transition: opacity .5s;
}
.header.is-scrolled .header__bar { max-width: 820px; padding: 7px 8px 7px 20px; }
.header.is-scrolled .header__bar::before, .header.is-scrolled .header__bar::after { opacity: 1; }

.logo {
  display: inline-flex; align-items: center; gap: 12px; justify-self: start;
  font: 600 1.35rem/1 var(--display); letter-spacing: .04em; text-decoration: none;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent;
}
.logo img { width: 36px; height: 36px; object-fit: contain; transition: transform .6s var(--ease); }
.logo:hover img { transform: translateY(-4px) rotate(-10deg) scale(1.08); }

.nav { position: relative; display: flex; align-items: center; gap: 4px; }
.nav a:not(.btn) {
  position: relative; z-index: 1; padding: 11px 18px; border-radius: 999px;
  text-decoration: none; font-weight: 600; font-size: .96rem; color: var(--muted); transition: color .3s;
}
.nav a:not(.btn):hover, .nav a.is-current, .nav a[aria-current] { color: var(--text); }
/* Bağlantılar arasında kayan vurgu */
.nav__blob {
  position: absolute; left: 0; top: 50%; height: 40px; margin-top: -20px; width: var(--bw, 0px); border-radius: 999px;
  background: linear-gradient(135deg, rgba(14, 139, 180, .32), rgba(63, 202, 144, .26));
  box-shadow: inset 0 0 0 1px rgba(63, 202, 144, .35);
  transform: translateX(var(--bx, 0px)); opacity: 0;
  transition: transform .5s var(--ease), width .5s var(--ease), opacity .3s;
}
.nav__blob.is-on { opacity: 1; }
.nav .nav__cta { display: none; }
.header__cta { justify-self: end; }
.menu-btn { display: none; }

/* ---------- Düğmeler ---------- */
.btn {
  --tx: 0px; --ty: 0px;
  display: inline-flex; align-items: center; justify-content: center;
  padding: 16px 28px; border: 0; border-radius: 999px; cursor: pointer;
  font: 600 1rem/1 var(--body); text-decoration: none; color: #02161c;
  background: var(--grad); background-size: 160% 160%; background-position: 0 50%;
  transform: translate(var(--tx), var(--ty));
  transition: transform .35s var(--ease), background-position .5s var(--ease), box-shadow .35s;
  box-shadow: 0 10px 30px -12px rgba(63, 202, 144, .7);
}
.btn:hover { background-position: 100% 50%; box-shadow: 0 16px 40px -12px rgba(63, 202, 144, .9); }
.btn--small { padding: 12px 20px; font-size: .92rem; }
.btn--ghost { background: transparent; color: var(--text); box-shadow: inset 0 0 0 1.5px var(--line); }
.btn--ghost:hover { box-shadow: inset 0 0 0 1.5px var(--green); }
.link { font-weight: 600; text-underline-offset: 6px; text-decoration-color: var(--green); text-decoration-thickness: 2px; }
.link:hover { color: var(--green); }

/* ---------- Kelime kelime açılan başlıklar ---------- */
[data-split] .w { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .12em; margin-bottom: -.12em; }
[data-split] .w > span { display: inline-block; transform: translateY(115%); transition: transform .9s var(--ease); transition-delay: calc(var(--i) * 55ms + 80ms); }
[data-split].is-in .w > span { transform: none; }
[data-rise] { opacity: 0; transform: translateY(18px); transition: opacity .8s var(--ease) var(--d, 0s), transform .8s var(--ease) var(--d, 0s); }
.is-loaded [data-rise] { opacity: 1; transform: none; }

/* ---------- Hero ---------- */
.hero { min-height: 100vh; min-height: 100svh; display: flex; align-items: center; position: relative; padding: 120px 0 90px; }
.hero__title { font: 500 clamp(2.1rem, 4.7vw, 4.4rem)/1.08 var(--display); letter-spacing: -.03em; max-width: 11.5em; text-wrap: balance; }
.hero__lead { margin-top: 28px; max-width: 34em; color: var(--muted); font-size: clamp(1.05rem, 1.3vw, 1.2rem); }
.hero__cta { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 14px; }
.scroll-hint { position: absolute; left: 50%; bottom: 28px; width: 26px; height: 42px; margin-left: -13px; border-radius: 14px; box-shadow: inset 0 0 0 1.5px var(--line); }
.scroll-hint span { position: absolute; left: 50%; top: 9px; width: 4px; height: 8px; margin-left: -2px; border-radius: 2px; background: var(--green); animation: hint 1.8s var(--ease) infinite; }
@keyframes hint { 0% { transform: translateY(0); opacity: 1; } 70%, 100% { transform: translateY(14px); opacity: 0; } }

/* ---------- Hizmetler ---------- */
.service { min-height: 100vh; display: flex; align-items: center; padding: 80px var(--pad); max-width: 1280px; margin: 0 auto; }
.service--flip { justify-content: flex-end; }
.service__body { width: min(520px, 100%); opacity: .0; transform: translateY(40px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.service.is-active .service__body { opacity: 1; transform: none; }
.service h2 { font: 500 clamp(2rem, 4vw, 3.4rem)/1.1 var(--display); letter-spacing: -.03em; }
.service__lead { margin-top: 20px; font-size: clamp(1.1rem, 1.5vw, 1.3rem); color: var(--text); }
.ticks { margin-top: 28px; display: grid; gap: 14px; }
.ticks li { position: relative; padding-left: 34px; color: var(--muted); opacity: 0; transform: translateX(-14px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.ticks li::before { content: ""; position: absolute; left: 0; top: .72em; width: 20px; height: 2px; background: var(--grad); transform-origin: 0 50%; transform: scaleX(0); transition: transform .7s var(--ease); transition-delay: inherit; }
.service.is-active .ticks li { opacity: 1; transform: none; }
.service.is-active .ticks li::before { transform: scaleX(1); }
.service.is-active .ticks li:nth-child(1) { transition-delay: .25s; }
.service.is-active .ticks li:nth-child(2) { transition-delay: .37s; }
.service.is-active .ticks li:nth-child(3) { transition-delay: .49s; }
.service__note { margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--line); font-size: .98rem; color: var(--muted); }
.service__note a { color: var(--green); font-weight: 600; text-underline-offset: 4px; }

/* ---------- Büyük cümle ---------- */
.statement { padding: clamp(100px, 18vh, 200px) 0; }
.statement__text { font: 400 clamp(1.5rem, 3.3vw, 2.9rem)/1.3 var(--display); letter-spacing: -.025em; max-width: 22em; }
.statement__text .w { opacity: .16; transition: opacity .35s linear; }
.statement__text .w.is-on { opacity: 1; }

/* ---------- Teknoloji şeridi ---------- */
.marquee { overflow: hidden; border-block: 1px solid var(--line); padding: 26px 0; background: rgba(4, 18, 26, .5); -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee__track { display: flex; width: max-content; animation: marquee 36s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee ul { display: flex; flex: none; }
.marquee li { font: 500 clamp(1.1rem, 2vw, 1.6rem)/1 var(--display); color: var(--muted); padding: 0 clamp(22px, 3vw, 44px); white-space: nowrap; position: relative; }
.marquee li::after { content: ""; position: absolute; right: -4px; top: 50%; width: 8px; height: 8px; margin-top: -4px; border-radius: 50%; background: var(--grad); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Süreç ---------- */
.process { padding: clamp(100px, 16vh, 180px) 0; }
.section-title { font: 500 clamp(1.8rem, 3.6vw, 3rem)/1.12 var(--display); letter-spacing: -.03em; max-width: 16em; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.steps { --p: 0; position: relative; margin-top: clamp(48px, 8vh, 90px); display: grid; grid-template-columns: repeat(5, 1fr); gap: clamp(16px, 2.4vw, 36px); counter-reset: s; }
.steps::before, .steps::after { content: ""; position: absolute; left: 0; right: 0; top: 23px; height: 2px; background: var(--line); }
.steps::after { background: var(--grad); transform-origin: 0 50%; transform: scaleX(var(--p)); }
.step { position: relative; z-index: 1; }
.step__no {
  display: grid; place-items: center; width: 48px; height: 48px; border-radius: 50%;
  font: 500 1rem/1 var(--display); color: var(--muted);
  background: var(--ink-2); box-shadow: inset 0 0 0 2px var(--line);
  transition: color .4s, background .4s, box-shadow .4s, transform .6s var(--ease);
}
.step.is-on .step__no { color: #02161c; background: var(--grad); box-shadow: 0 0 0 8px rgba(63, 202, 144, .12); transform: scale(1.08); }
.step h3 { margin-top: 26px; font: 500 1.15rem/1.25 var(--display); letter-spacing: -.02em; }
.step p { margin-top: 12px; color: var(--muted); font-size: .98rem; transition: color .4s; }
.step.is-on p { color: #b9d2cf; }

/* ---------- Referans kartları ---------- */
.refs-teaser { padding: clamp(60px, 10vh, 120px) 0 clamp(100px, 16vh, 180px); }
.refs { margin-top: clamp(36px, 6vh, 64px); display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2vw, 28px); perspective: 1400px; }
.ref {
  --rx: 0deg; --ry: 0deg; --mx: 50%; --my: 50%;
  position: relative; display: flex; flex-direction: column; padding: 28px; border-radius: 22px; overflow: hidden;
  background: linear-gradient(160deg, rgba(14, 60, 74, .55), rgba(6, 28, 36, .75));
  box-shadow: inset 0 0 0 1px var(--line);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  transform: rotateX(var(--rx)) rotateY(var(--ry));
  transition: transform .5s var(--ease), opacity .45s, box-shadow .4s;
  transform-style: preserve-3d;
}
.ref::before { content: ""; position: absolute; inset: 0; background: radial-gradient(420px circle at var(--mx) var(--my), rgba(63, 202, 144, .2), transparent 60%); opacity: 0; transition: opacity .4s; pointer-events: none; }
.ref:hover { box-shadow: inset 0 0 0 1px rgba(63, 202, 144, .5), 0 30px 60px -30px rgba(0, 0, 0, .8); }
.ref:hover::before { opacity: 1; }
.ref.is-hidden { display: none; }
.ref.is-enter { opacity: 0; transform: translateY(26px) scale(.97); }
.ref__art { height: 150px; display: grid; place-items: center; margin: -8px -8px 22px; border-radius: 16px; background: rgba(4, 18, 26, .55); transform: translateZ(30px); }
.ref__art svg { width: 84px; height: 84px; fill: none; stroke: url(#sg); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.ref__art svg path, .ref__art svg rect, .ref__art svg circle { stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 1.4s var(--ease) .15s; }
.ref.is-in .ref__art svg * { stroke-dashoffset: 0; }
.ref__meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: .86rem; font-weight: 600; color: var(--green); }
.ref__sample { color: var(--muted); font-weight: 500; padding: 3px 10px; border-radius: 999px; box-shadow: inset 0 0 0 1px var(--line); }
.ref h3 { margin-top: 10px; font: 500 1.25rem/1.25 var(--display); letter-spacing: -.02em; }
.ref p { margin-top: 12px; color: var(--muted); font-size: .98rem; flex: 1; }
.chips { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { font-size: .82rem; font-weight: 500; color: #b9d2cf; padding: 5px 12px; border-radius: 999px; background: rgba(160, 220, 215, .08); }
.ref__link { margin-top: 20px; align-self: flex-start; }

/* ---------- İletişim ---------- */
.contact { min-height: 100vh; display: flex; align-items: center; padding: 120px 0; }
.contact__title { font: 500 clamp(2rem, 4.4vw, 3.9rem)/1.1 var(--display); letter-spacing: -.03em; max-width: 10.5em; text-wrap: balance; }
.form { margin-top: clamp(36px, 6vh, 60px); width: min(600px, 100%); display: grid; grid-template-columns: 1fr 1fr; gap: 26px 22px; }
.field { display: grid; gap: 8px; }
.field--wide, .form__actions, .form__error { grid-column: 1 / -1; }
.field span { font-size: .9rem; font-weight: 600; color: var(--muted); transition: color .25s; }
.field:focus-within span { color: var(--green); }
.field input, .field select, .field textarea {
  width: 100%; font: 500 1.05rem/1.5 var(--body); color: var(--text);
  background: rgba(4, 18, 26, .6); border: 0; border-radius: 12px; padding: 14px 16px;
  box-shadow: inset 0 0 0 1.5px var(--line); transition: box-shadow .25s; resize: vertical;
}
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 22px) 55%, calc(100% - 16px) 55%; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 40px; }
.field option { background: var(--ink-2); }
.field input:focus, .field select:focus, .field textarea:focus { outline: 0; box-shadow: inset 0 0 0 2px var(--green); }
.form__error { color: #ffb38a; font-weight: 600; font-size: .95rem; }
.form__actions { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.form__alt { color: var(--muted); font-size: .95rem; }
.form__alt a { color: var(--text); font-weight: 600; text-underline-offset: 4px; text-decoration-color: var(--green); }

/* ---------- Alt bilgi ---------- */
.footer { border-top: 1px solid var(--line); background: rgba(4, 18, 26, .8); padding: 48px 0 36px; }
.footer__in { display: grid; grid-template-columns: 1fr auto; gap: 28px 40px; align-items: start; }
.footer__legal { margin-top: 14px; font-size: .82rem; line-height: 1.7; color: var(--muted); max-width: 34em; }
.footer__nav { display: flex; flex-wrap: wrap; gap: 10px 26px; }
.footer__nav a { text-decoration: none; color: var(--muted); font-weight: 500; font-size: .95rem; transition: color .25s; }
.footer__nav a:hover { color: var(--green); }
.footer__copy { grid-column: 1 / -1; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 28px; font-size: .85rem; color: var(--muted); padding-top: 24px; border-top: 1px solid var(--line); }
.footer__links { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.footer__links a { color: var(--muted); text-underline-offset: 4px; transition: color .25s; }
.footer__links a:hover { color: var(--green); }

/* ---------- Referanslar sayfası ---------- */
.page-head { padding: clamp(150px, 24vh, 240px) 0 0; }
.page-head h1 { font: 500 clamp(2.4rem, 6vw, 5rem)/1.05 var(--display); letter-spacing: -.035em; }
.page-head p { margin-top: 24px; max-width: 36em; color: var(--muted); font-size: clamp(1.05rem, 1.3vw, 1.2rem); }
.filters { margin-top: 44px; display: flex; flex-wrap: wrap; gap: 10px; }
.filter { font: 600 .95rem/1 var(--body); color: var(--muted); padding: 13px 22px; border: 0; border-radius: 999px; cursor: pointer; background: transparent; box-shadow: inset 0 0 0 1.5px var(--line); transition: color .25s, box-shadow .25s, background .25s; }
.filter:hover { color: var(--text); box-shadow: inset 0 0 0 1.5px var(--green); }
.filter[aria-pressed="true"] { color: #02161c; background: var(--grad); box-shadow: none; }
.page-refs { padding: 0 0 clamp(90px, 14vh, 160px); }
.cta-band { padding: clamp(60px, 10vh, 110px) 0 clamp(100px, 16vh, 170px); }
.cta-band h2 { font: 500 clamp(1.8rem, 3.8vw, 3.2rem)/1.12 var(--display); letter-spacing: -.03em; max-width: 14em; }
.cta-band .btn { margin-top: 34px; }

/* ---------- 404 ---------- */
.lost { min-height: 100vh; display: grid; place-items: center; text-align: center; padding: 120px var(--pad); }
.lost h1 { font: 600 clamp(5rem, 22vw, 15rem)/.9 var(--display); letter-spacing: -.05em; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.lost p { margin: 22px auto 34px; color: var(--muted); max-width: 26em; }

/* ---------- Küçük ekranlar ---------- */
@media (max-width: 900px) {
  .service, .service--flip { justify-content: flex-start; align-items: flex-end; padding-bottom: 12vh; }
  .steps { grid-template-columns: 1fr; gap: 34px; padding-left: 0; }
  .steps::before, .steps::after { left: 23px; right: auto; top: 0; bottom: 0; width: 2px; height: auto; transform-origin: 50% 0; }
  .steps::after { transform: scaleY(var(--p)); }
  .step { display: grid; grid-template-columns: 48px 1fr; column-gap: 20px; }
  .step__no { grid-row: 1 / 3; }
  .step h3 { margin-top: 10px; }
  .step p { margin-top: 6px; }
  .refs { grid-template-columns: 1fr; }
  .form { grid-template-columns: 1fr; }
  .footer__in { grid-template-columns: 1fr; }
  .glow { display: none; }
}
@media (min-width: 901px) and (max-width: 1100px) { .refs { grid-template-columns: repeat(2, 1fr); } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; transition-delay: 0s !important; }
  [data-split] .w > span, [data-rise], .service__body, .ticks li { transform: none; opacity: 1; }
  .ticks li::before { transform: scaleX(1); }
  .statement__text .w { opacity: 1; }
  .ref__art svg * { stroke-dashoffset: 0; }
}

/* WebGL yoksa hizmet metinleri yine de görünsün */
.no-webgl .service__body, .no-webgl .ticks li { opacity: 1; transform: none; }
.no-webgl .ticks li::before { transform: scaleX(1); }

/* Dikey ekranlarda (ör. dik tutulan tablet) hizmet metni altta, şekil üstte durur */
@media (max-aspect-ratio: 1/1) {
  .service, .service--flip { justify-content: flex-start; align-items: flex-end; padding-bottom: 12vh; }
}

/* ---------- Üst menü: küçük ekran ---------- */
@media (max-width: 900px) {
  .header { padding: 10px 12px; }
  .header__bar, .header.is-scrolled .header__bar { display: flex; justify-content: space-between; padding: 7px 8px 7px 16px; max-width: none; }
  .header__cta, .nav__blob { display: none; }
  .logo, .menu-btn { position: relative; z-index: 2; }
  .menu-btn { display: grid; gap: 7px; width: 46px; height: 46px; place-content: center; background: rgba(160, 220, 215, .08); border: 0; border-radius: 50%; cursor: pointer; }
  .menu-btn span { display: block; width: 20px; height: 2px; border-radius: 2px; background: var(--text); transition: transform .4s var(--ease); }
  .menu-btn[aria-expanded="true"] span:first-child { transform: translateY(4.5px) rotate(45deg); }
  .menu-btn[aria-expanded="true"] span:last-child { transform: translateY(-4.5px) rotate(-45deg); }
  .nav {
    position: fixed; inset: 0; z-index: 1; flex-direction: column; align-items: flex-start; justify-content: center; gap: 6px; padding: 0 28px;
    background: radial-gradient(700px 500px at 100% 0, rgba(14, 139, 180, .3), transparent 65%), radial-gradient(600px 500px at 0 100%, rgba(63, 202, 144, .2), transparent 65%), rgba(4, 18, 26, .97);
    clip-path: circle(0 at calc(100% - 43px) 40px); visibility: hidden;
    transition: clip-path .7s var(--ease), visibility .7s;
  }
  .nav.is-open { clip-path: circle(150% at calc(100% - 43px) 40px); visibility: visible; }
  .nav a:not(.btn) { padding: 10px 0; font: 500 clamp(2rem, 9vw, 2.8rem)/1.15 var(--display); letter-spacing: -.03em; color: var(--text); }
  .nav a { opacity: 0; transform: translateY(26px); transition: opacity .5s var(--ease), transform .6s var(--ease); }
  .nav.is-open a { opacity: 1; transform: none; }
  .nav.is-open a:nth-of-type(1) { transition-delay: .18s; }
  .nav.is-open a:nth-of-type(2) { transition-delay: .25s; }
  .nav.is-open a:nth-of-type(3) { transition-delay: .32s; }
  .nav.is-open a:nth-of-type(4) { transition-delay: .42s; }
  .nav .nav__cta { display: inline-flex; margin-top: 28px; }
}

/* ---------- İletişim sayfası ---------- */
.page-head--contact { min-height: 100vh; padding-bottom: 80px; }
.page-head a[data-email] { color: var(--text); font-weight: 600; text-underline-offset: 4px; text-decoration-color: var(--green); }
.info { padding: 0 0 clamp(90px, 14vh, 160px); }
.info__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(16px, 2vw, 28px); }
.info__card { padding: 30px; border-radius: 22px; background: linear-gradient(160deg, rgba(14, 60, 74, .55), rgba(6, 28, 36, .75)); box-shadow: inset 0 0 0 1px var(--line); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.info__card--wide { grid-column: 1 / -1; }
.info__card h2 { font: 500 1.15rem/1.25 var(--display); letter-spacing: -.02em; margin-bottom: 14px; }
.info__card p { color: #b9d2cf; }
.info__card p + p { margin-top: 14px; }
.facts { margin: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px 28px; }
.facts dt { font-size: .86rem; font-weight: 600; color: var(--muted); }
.facts dd { margin: 4px 0 0; color: var(--text); font-weight: 500; overflow-wrap: anywhere; }

/* ---------- Yasal metinler ---------- */
.page-head .page-head__small { font-size: clamp(1.9rem, 4.4vw, 3.4rem); }
.legal { padding: 48px 0 clamp(90px, 14vh, 160px); }
.prose { max-width: 780px; padding: clamp(24px, 4vw, 48px); border-radius: 22px; background: rgba(5, 24, 32, .78); box-shadow: inset 0 0 0 1px var(--line); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); color: #c3d9d6; }
.prose h2 { margin: 40px 0 14px; font: 500 1.25rem/1.3 var(--display); letter-spacing: -.02em; color: var(--text); }
.prose p + p, .prose ul + p, .prose p + ul { margin-top: 14px; }
.prose ul { display: grid; gap: 10px; padding-left: 22px; list-style: disc; }
.prose li::marker { color: var(--green); }
.prose strong { color: var(--text); font-weight: 600; }
.prose a { color: var(--green); font-weight: 600; text-underline-offset: 4px; }

@media (max-width: 900px) {
  .info__grid, .facts { grid-template-columns: 1fr; }
}

/* ---------- Referans kartı: ekran görüntüsü ---------- */
/* Görüntünün üst kısmı gösterilir; kartın üzerine gelince sayfanın devamı yavaşça kayar */
.ref__art--shot { height: auto; aspect-ratio: 16 / 8.4; overflow: hidden; display: block; box-shadow: 0 0 0 1px var(--line); }
.ref__art--shot img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: 50% 0; transform: scale(1.01); transition: object-position 2.4s var(--ease), transform .8s var(--ease), filter .5s; filter: saturate(.92) brightness(.94); }
.ref:hover .ref__art--shot img { object-position: 50% 100%; transform: scale(1.05); filter: none; }

/* ---------- İletişim formu: cam kart ---------- */
@property --ang { syntax: "<angle>"; inherits: false; initial-value: 0deg; }
.form {
  position: relative; isolation: isolate; width: min(640px, 100%); grid-template-columns: 1fr; gap: 22px;
  padding: clamp(22px, 3vw, 38px); border-radius: 28px;
  background: linear-gradient(160deg, rgba(14, 60, 74, .5), rgba(5, 24, 32, .82));
  box-shadow: inset 0 0 0 1px var(--line), 0 40px 90px -50px rgba(0, 0, 0, .9);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
/* Kartın çevresinde dönen degrade ışık */
.form::before {
  content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit; padding: 1.5px; pointer-events: none;
  background: conic-gradient(from var(--ang), transparent 0 55%, #0e8bb4 72%, #3fca90 88%, transparent 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
  animation: form-spin 7s linear infinite;
}
@keyframes form-spin { to { --ang: 360deg; } }
/* Fareyi izleyen ışık */
.form__glow {
  position: absolute; inset: 0; z-index: -1; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity .5s;
  background: radial-gradient(380px circle at var(--fx, 50%) var(--fy, 50%), rgba(63, 202, 144, .16), transparent 65%);
}
.form:hover .form__glow { opacity: 1; }

/* Alanın içinden yukarı kayan etiketler */
.field--float { position: relative; display: block; }
.field--float input, .field--float textarea { padding: 28px 18px 12px; border-radius: 16px; background: rgba(4, 18, 26, .55); }
.field--float span {
  position: absolute; left: 18px; top: 20px; font-size: 1.02rem; font-weight: 500; pointer-events: none;
  transform-origin: 0 0; transition: transform .35s var(--ease), color .25s;
}
.field--float :is(input, textarea):focus + span,
.field--float :is(input, textarea):not(:placeholder-shown) + span { transform: translateY(-12px) scale(.78); color: var(--green); }
/* Odaklanınca alttan çizilen çizgi */
.field--float::after {
  content: ""; position: absolute; left: 18px; right: 18px; bottom: 0; height: 2px; border-radius: 2px;
  background: var(--grad); transform: scaleX(0); transform-origin: 0 50%; transition: transform .5s var(--ease);
}
.field--float:focus-within::after { transform: scaleX(1); }
.field--float :is(input, textarea):focus { box-shadow: inset 0 0 0 1.5px rgba(63, 202, 144, .45); }

/* Proje türü seçimi */
.types { border: 0; margin: 0; padding: 0; min-width: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.types legend { padding: 0; margin-bottom: 12px; font-size: .9rem; font-weight: 600; color: var(--muted); }
.type { position: relative; }
.type input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.type span {
  display: inline-flex; align-items: center; gap: 9px; padding: 12px 17px; border-radius: 999px;
  font-weight: 600; font-size: .95rem; color: var(--muted); box-shadow: inset 0 0 0 1.5px var(--line);
  transition: color .25s, background .25s, box-shadow .25s, transform .35s var(--ease);
}
.type svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 4.5; stroke-linecap: round; stroke-linejoin: round; }
.type:hover span { color: var(--text); box-shadow: inset 0 0 0 1.5px var(--green); transform: translateY(-2px); }
.type input:checked + span { color: #02161c; background: var(--grad); box-shadow: 0 10px 26px -12px rgba(63, 202, 144, .9); }
.type input:focus-visible + span { outline: 2px solid var(--green); outline-offset: 3px; }

/* Gönder düğmesi: kâğıt uçak fırlar */
.btn--send { gap: 12px; overflow: hidden; }
.btn--send svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform .45s var(--ease); }
.btn--send:hover svg { transform: translate(3px, -3px) rotate(8deg); }
.btn--send.is-sent svg { animation: plane-off .9s var(--ease) forwards; }
@keyframes plane-off {
  30% { transform: translate(-6px, 6px) rotate(-8deg); }
  100% { transform: translate(70px, -50px) rotate(10deg); opacity: 0; }
}

/* İletişim başlığının altındaki iddialı cümle */
.contact__claim {
  margin-top: 18px; width: fit-content; font: 500 clamp(1.15rem, 2vw, 1.6rem)/1.25 var(--display); letter-spacing: -.02em;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent;
}

/* Referans kartındaki bağlantılar */
.ref__links { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 10px 22px; }

/* ---------- Üst menü: açılışta büyük logo ---------- */
.header .logo { font-size: clamp(1.45rem, 2.2vw, 1.85rem); transition: font-size .7s var(--ease); }
.header .logo img { width: 50px; height: 50px; transition: width .7s var(--ease), height .7s var(--ease), transform .6s var(--ease); }
.header.is-scrolled .logo { font-size: 1.3rem; }
.header.is-scrolled .logo img { width: 34px; height: 34px; }

/* ---------- Üst menü düğmesi: dönen ışıklı kapsül ve fırlayan roket ---------- */
.cta {
  --tx: 0px; --ty: 0px;
  position: relative; isolation: isolate; display: inline-flex; align-items: center; gap: 12px;
  padding: 6px 6px 6px 20px; border-radius: 999px; text-decoration: none; white-space: nowrap;
  font: 600 .95rem/1 var(--body); color: var(--text); background: rgba(5, 24, 32, .72);
  transform: translate(var(--tx), var(--ty)); transition: transform .35s var(--ease), color .35s, box-shadow .35s;
  box-shadow: 0 10px 30px -16px rgba(63, 202, 144, .8);
}
.cta::before {
  content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit; padding: 1.5px; pointer-events: none;
  background: conic-gradient(from var(--ang), rgba(160, 220, 215, .18) 0 45%, #0e8bb4 70%, #3fca90 90%, rgba(160, 220, 215, .18) 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
  animation: form-spin 4.5s linear infinite;
}
.cta::after { content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit; background: var(--grad); opacity: 0; transition: opacity .35s; }
.cta:hover { color: #02161c; box-shadow: 0 16px 40px -14px rgba(63, 202, 144, .95); }
.cta:hover::after { opacity: 1; }
.cta__icon { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; overflow: hidden; background: var(--grad); color: #02161c; transition: background .35s, color .35s; }
.cta__icon svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; animation: rocket-idle 3.2s ease-in-out infinite; }
.cta:hover .cta__icon { background: #02161c; color: var(--green); }
.cta:hover .cta__icon svg { animation: rocket-go .75s var(--ease); }
/* Beklerken hafifçe titrer, üzerine gelince fırlar ve alttan yenisi gelir */
@keyframes rocket-idle { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(1.5px, -1.5px); } }
@keyframes rocket-go {
  0% { transform: translate(0, 0); }
  45% { transform: translate(24px, -24px); }
  46% { transform: translate(-24px, 24px); }
  100% { transform: translate(0, 0); }
}
.header.is-scrolled .cta { padding: 4px 4px 4px 18px; }
@media (max-width: 900px) {
  .header .header__cta { display: none; }
  .header .logo, .header.is-scrolled .logo { font-size: 1.3rem; }
  .header .logo img, .header.is-scrolled .logo img { width: 34px; height: 34px; }
}

/* ---------- Açılıştaki büyük düğmeler ---------- */
.btn--xl { position: relative; isolation: isolate; overflow: hidden; gap: 16px; padding: 9px 9px 9px 28px; font-size: 1.06rem; font-weight: 700; }
.btn__arrow { display: grid; place-items: center; flex: none; width: 46px; height: 46px; border-radius: 50%; overflow: hidden; background: #02161c; color: var(--green); transition: background .35s, color .35s; }
.btn__arrow svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
/* Üzerine gelince ok sağdan çıkar, soldan yenisi girer */
.btn--xl:hover .btn__arrow svg { animation: arrow-go .6s var(--ease); }
@keyframes arrow-go {
  0% { transform: translateX(0); }
  45% { transform: translateX(30px); }
  46% { transform: translateX(-30px); }
  100% { transform: translateX(0); }
}
/* Ana düğme: nabız gibi atan ışık ve üzerinden geçen parıltı */
.btn--shine { animation: btn-pulse 3.2s ease-in-out infinite; }
.btn--shine::after {
  content: ""; position: absolute; top: -20%; bottom: -20%; left: -40%; width: 34%; z-index: -1;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .55), transparent);
  transform: skewX(-18deg); animation: btn-sweep 3.6s var(--ease) infinite;
}
@keyframes btn-pulse {
  0%, 100% { box-shadow: 0 12px 34px -12px rgba(63, 202, 144, .75), 0 0 0 0 rgba(63, 202, 144, .35); }
  50% { box-shadow: 0 18px 46px -12px rgba(63, 202, 144, .95), 0 0 0 12px rgba(63, 202, 144, 0); }
}
@keyframes btn-sweep { 0%, 55% { left: -40%; } 100% { left: 125%; } }
/* İkinci düğme: üzerine gelince soldan degrade renkle dolar */
.btn--fill { background: rgba(5, 24, 32, .55); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); transition: transform .35s var(--ease), color .4s, box-shadow .35s; }
.btn--fill::before { content: ""; position: absolute; inset: 0; z-index: -1; background: var(--grad); transform: scaleX(0); transform-origin: 0 50%; transition: transform .55s var(--ease); }
.btn--fill .btn__arrow { background: rgba(160, 220, 215, .12); color: var(--text); }
.btn--fill:hover { color: #02161c; }
.btn--fill:hover::before { transform: scaleX(1); }
.btn--fill:hover .btn__arrow { background: #02161c; color: var(--green); }
@media (max-width: 480px) {
  .btn--xl { font-size: .98rem; padding-left: 22px; }
  .btn__arrow { width: 40px; height: 40px; }
}

/* ---------- Açılıştaki rakamlar ---------- */
.stats { margin-top: clamp(32px, 5vh, 52px); padding-top: 26px; border-top: 1px solid var(--line); max-width: 680px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px clamp(16px, 2.4vw, 34px); }
.stats strong {
  display: block; width: fit-content; white-space: nowrap; font: 500 clamp(1.35rem, 2.3vw, 2rem)/1.1 var(--display); letter-spacing: -.03em; font-variant-numeric: tabular-nums;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent;
}
.stats li > span { display: block; margin-top: 8px; font-size: .86rem; line-height: 1.4; color: var(--muted); }
@media (max-width: 700px) { .stats { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Alt bilgi (yeni) ---------- */
.footer { position: relative; overflow: hidden; padding: clamp(70px, 11vh, 120px) 0 0; background: linear-gradient(180deg, rgba(4, 18, 26, .55), rgba(4, 18, 26, .94) 38%); border-top: 1px solid var(--line); }
/* Üst kenarda soldan sağa akan ışık */
.footer::before { content: ""; position: absolute; top: -1px; left: 0; width: 34%; height: 2px; background: linear-gradient(90deg, transparent, #3fca90, #0e8bb4, transparent); animation: footer-run 7s linear infinite; }
@keyframes footer-run { from { transform: translateX(-100%); } to { transform: translateX(400%); } }

.footer__cta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 28px 40px; padding-bottom: clamp(44px, 7vh, 72px); border-bottom: 1px solid var(--line); }
.footer__lead { font: 500 clamp(1.6rem, 3.4vw, 2.9rem)/1.15 var(--display); letter-spacing: -.03em; }

.footer__cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 36px clamp(20px, 4vw, 60px); padding: clamp(40px, 6vh, 64px) 0 36px; }
.footer__cols h2 { margin-bottom: 18px; font: 500 .95rem/1.2 var(--display); letter-spacing: -.01em; color: var(--text); }
.footer__cols a, .footer__cols p { display: block; width: fit-content; margin-top: 11px; font-size: .96rem; color: var(--muted); text-decoration: none; }
.footer__cols p { line-height: 1.6; }
.footer__cols a { position: relative; transition: color .25s, transform .35s var(--ease); }
.footer__cols a::before { content: ""; position: absolute; left: -16px; top: 50%; width: 8px; height: 2px; background: var(--grad); transform: scaleX(0); transform-origin: 0 50%; transition: transform .35s var(--ease); }
.footer__cols a:hover { color: var(--text); transform: translateX(16px); }
.footer__cols a:hover::before { transform: scaleX(1); }

.footer .footer__legal { margin: 0; max-width: none; font-size: .8rem; line-height: 1.7; color: #6f8f90; }

/* Sayfanın en altındaki dev marka yazısı */
.footer__word {
  margin: clamp(20px, 4vh, 44px) 0 -0.19em; text-align: center; white-space: nowrap; user-select: none; pointer-events: none;
  font: 600 clamp(4.2rem, 18.5vw, 19rem)/1 var(--display); letter-spacing: .02em;
  background: linear-gradient(180deg, rgba(63, 202, 144, .55), rgba(14, 139, 180, .22) 55%, rgba(14, 139, 180, 0) 92%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent;
}

.footer__bottom { position: relative; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 28px; padding-top: 22px; padding-bottom: 26px; font-size: .85rem; color: var(--muted); }
.footer__bottom .footer__links { margin-left: auto; }
.footer__top { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; color: var(--text); box-shadow: inset 0 0 0 1.5px var(--line); transition: background .3s, color .3s, transform .4s var(--ease), box-shadow .3s; }
.footer__top svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.footer__top:hover { background: var(--grad); color: #02161c; box-shadow: none; transform: translateY(-4px); }

@media (max-width: 900px) {
  .footer__cols { grid-template-columns: 1fr 1fr; }
  .footer__bottom .footer__links { margin-left: 0; }
}

/* ---------- Form: gönderim durumları ---------- */
/* Botlar için tuzak alan: ekranda ve ekran okuyucuda görünmez */
.form__trap { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form__ok { grid-column: 1 / -1; padding: 16px 18px; border-radius: 16px; font-weight: 600; color: #02161c; background: var(--grad); }
.form__error a { color: inherit; text-underline-offset: 3px; }
.form.is-sending { pointer-events: none; }
.form.is-sending .btn--send { opacity: .7; }
.form.is-sending .btn--send svg { animation: send-wait 1s ease-in-out infinite; }
@keyframes send-wait { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(4px, -4px); } }
.field--invalid :is(input, textarea) { box-shadow: inset 0 0 0 1.5px #ff9d6c; }