/* Ion Riva — keşif haritası V2
   Kaynak sistem: Pentagram kimlik önerisi (nokta logo, siyah/beyaz/taş) + Ion Riva sunumu.
   Hareket dili: sinematik, kontrollü, sakin. Tüm geçişler aynı eğrileri ve süre ölçeğini kullanır. */

:root {
  --black: #000000;
  --white: #ffffff;
  --paper: #ede9e7;
  --mist: #dbdad6;
  --stone: #d1c9c5;
  --grey: #616362;
  --ink: #0d0d0d;
  --body: #3d3e3d;
  --line: rgba(0, 0, 0, 0.12);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
  --loop: #8fd27a;
  --loop-deep: #2f8a52;

  --f-mono: 'ABC Diatype Rounded Mono', 'DM Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* hareket sistemi */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-io: cubic-bezier(0.7, 0, 0.2, 1);
  --ease-soft: cubic-bezier(0.22, 1, 0.36, 1);
  --t-1: 0.45s;
  --t-2: 0.9s;
  --t-3: 1.4s;

  --gutter: clamp(16px, 2.2vw, 30px);
  --g-l: max(var(--gutter), env(safe-area-inset-left, 0px));
  --g-r: max(var(--gutter), env(safe-area-inset-right, 0px));
  --g-t: calc(var(--gutter) + env(safe-area-inset-top, 0px));
  --g-b: calc(var(--gutter) + env(safe-area-inset-bottom, 0px));
  --dock-h: 52px;
  --north: -90deg;
  --yaw: 0deg;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: #0c1215;
  color: var(--white);
  font-family: var(--f-mono);
  overflow: hidden;
  overscroll-behavior: none;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; padding: 0; cursor: pointer; }
svg { display: block; }
[hidden] { display: none !important; }
:focus-visible { outline: 1px solid var(--white); outline-offset: 4px; }
.panel :focus-visible, .drawer :focus-visible, .dock :focus-visible, .controls :focus-visible { outline-color: var(--black); }

.label {
  font: 500 10.5px/1.4 var(--f-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.dots { letter-spacing: 0.06em; margin-right: 0.9em; }

/* ——— özel imleç: dolu nokta; etkileşimde büyür, negatife döner ——— */
html.has-cursor, html.has-cursor * { cursor: none !important; }
html.has-cursor input, html.has-cursor textarea, html.has-cursor select { cursor: text !important; }
html.has-cursor select { cursor: pointer !important; }
.cursor {
  position: fixed; left: 0; top: 0; z-index: 100; pointer-events: none;
  width: 0; height: 0; display: none;
  mix-blend-mode: difference; will-change: transform; transform: translate3d(-100px, -100px, 0);
}
html.has-cursor .cursor { display: block; }
.cursor__dot, .cursor__ring {
  position: absolute; left: 0; top: 0; border-radius: 50%;
  transform: translate(-50%, -50%) scale(var(--s, 1));
  transition: transform 0.38s var(--ease-out), opacity 0.25s;
}
.cursor__dot { width: 10px; height: 10px; background: var(--white); }
.cursor__ring { width: 34px; height: 34px; border: 1px solid var(--white); opacity: 0; --s: 0.4; }
.cursor.is-hidden .cursor__dot, .cursor.is-away .cursor__dot { opacity: 0; --s: 0.2; }
.cursor.is-hover .cursor__dot { --s: 4.4; }
.cursor.is-down .cursor__dot { --s: 0.7; }
.cursor.is-hover.is-down .cursor__dot { --s: 3.6; }
.cursor.is-drag .cursor__dot { --s: 0.55; }
.cursor.is-drag .cursor__ring { opacity: 1; --s: 1; }
.cursor.is-marker .cursor__dot { --s: 0.45; }
.cursor.is-marker .cursor__ring { opacity: 1; --s: 1.35; }

/* ——— sahne ——— */
.stage { position: fixed; inset: 0; touch-action: none; outline: none; }
.stage canvas { width: 100%; height: 100%; display: block; }

.shade {
  position: fixed; inset: 0; pointer-events: none; z-index: 1;
  background:
    linear-gradient(to bottom, rgba(0, 0, 0, 0.38), rgba(0, 0, 0, 0) 16%),
    radial-gradient(130% 95% at 50% 50%, rgba(0, 0, 0, 0) 55%, rgba(0, 0, 0, 0.42) 100%);
}
.shade::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(60% 50% at 50% 50%, rgba(0, 0, 0, 0.26), rgba(0, 0, 0, 0.1));
  transition: opacity 2.4s var(--ease-io);
}
body:not(.is-hero):not(.is-loading) .shade::after { opacity: 0; }

/* ——— üst şerit ——— */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 20;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  padding: calc(var(--g-t) - 2px) var(--g-r) 0 var(--g-l);
  transition: opacity var(--t-2) var(--ease-io), transform var(--t-2) var(--ease-io);
}
body.is-loading .topbar { opacity: 0; transform: translateY(-10px); }
body.panel-open .topbar { opacity: 0; pointer-events: none; }

.sound { justify-self: start; height: 34px; padding: 0 2px; display: flex; align-items: center; gap: 4px; }
.sound span { width: 4px; height: 4px; border-radius: 50%; background: var(--white); }
.sound[aria-pressed='true'] span { animation: hop 1.1s ease-in-out infinite; }
.sound span:nth-child(2) { animation-delay: -0.2s; }
.sound span:nth-child(3) { animation-delay: -0.4s; }
.sound span:nth-child(4) { animation-delay: -0.6s; }
.sound span:nth-child(5) { animation-delay: -0.8s; }
@keyframes hop { 0%, 100% { transform: translateY(3px); } 50% { transform: translateY(-4px); } }

.brand { display: block; color: var(--white); }
.brand__logo { width: 66px; height: 33px; color: var(--white); }

.textlink {
  justify-self: end; position: relative; padding: 9px 0;
  font: 500 10.5px/1.4 var(--f-mono); letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--white);
}
.textlink::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 3px; height: 1px;
  background: currentColor; transform: scaleX(0); transform-origin: right;
  transition: transform 0.6s var(--ease-out);
}
.textlink:hover::after, .textlink:focus-visible::after { transform: scaleX(1); transform-origin: left; }

/* ——— karşılama: katmanlı ve ritmik açılış ——— */
.hero {
  position: fixed; inset: 0; z-index: 10;
  display: grid; place-items: center; text-align: center;
  padding: 0 var(--g-r) 0 var(--g-l);
  pointer-events: none;
}
.hero__inner { display: grid; justify-items: center; max-width: 1100px; }
.hero button { pointer-events: auto; }
.hero__title {
  margin: 0 0 0.16em;
  font: 400 clamp(56px, 9.2vw, 140px)/0.86 var(--f-mono);
  letter-spacing: -0.045em;
  text-shadow: 0 2px 40px rgba(0, 0, 0, 0.28);
  display: flex; justify-content: center;
}
.hero__title .ch { display: inline-block; overflow: hidden; padding: 0.06em 0.002em 0.04em; margin: -0.06em 0 -0.04em; }
.hero__title .ch > span { display: inline-block; white-space: pre; }
.hero__sub {
  margin: 0 0 26px; max-width: 44ch;
  font: 400 clamp(14px, 1.15vw, 17px)/1.6 var(--f-mono);
  text-wrap: balance;
  text-shadow: 0 1px 18px rgba(0, 0, 0, 0.5);
}
.hero__sub .w { display: inline-block; white-space: pre; }
.hero__silent { position: absolute; left: 50%; bottom: calc(var(--g-b) + 18px); transform: translateX(-50%); }
.hero__silent::after { transform: scaleX(1); opacity: 0.6; }
.hero__silent:hover::after { opacity: 1; }

/* giriş: harfler maskenin altından yükselir, kelimeler bulanıklıktan netleşir, düğme en son açılır */
.hero__title .ch > span { transform: translateY(105%); filter: blur(10px); opacity: 0; }
.hero__sub .w { opacity: 0; filter: blur(8px); transform: translateY(0.5em); }
.hero__cta { opacity: 0; transform: translateY(14px) scale(0.96); clip-path: inset(0 50% 0 50% round 999px); }
.hero__silent { opacity: 0; }
body.is-hero .hero__title .ch > span {
  transform: none; filter: none; opacity: 1;
  transition: transform 1.6s var(--ease-out), filter 1.4s var(--ease-out), opacity 1s var(--ease-out);
  transition-delay: calc(0.35s + var(--i) * 0.075s);
}
body.is-hero .hero__sub .w {
  opacity: 1; filter: none; transform: none;
  transition: opacity 1.2s var(--ease-out), filter 1.3s var(--ease-out), transform 1.4s var(--ease-out);
  transition-delay: calc(1.15s + var(--i) * 0.045s);
}
body.is-hero .hero__cta {
  opacity: 1; transform: none; clip-path: inset(0 0 0 0 round 999px);
  transition: opacity 0.9s var(--ease-out) 1.9s, transform 1.2s var(--ease-out) 1.9s, clip-path 1.3s var(--ease-out) 1.9s,
    background-color 0.4s var(--ease-out), color 0.4s;
}
body.is-hero .hero__silent { opacity: 1; transition: opacity 1s var(--ease-out) 2.4s; }
/* çıkış: harfler dağılarak çözülür */
.hero.is-leaving .hero__title .ch > span {
  opacity: 0; filter: blur(14px); transform: translateY(calc(-30% - var(--r) * 40%)) scale(1.04);
  transition: opacity 0.9s var(--ease-io), filter 0.9s var(--ease-io), transform 1.2s var(--ease-io);
  transition-delay: calc(var(--r) * 0.35s);
}
.hero.is-leaving .hero__sub .w {
  opacity: 0; filter: blur(10px); transform: translateY(-0.4em);
  transition: opacity 0.7s var(--ease-io), filter 0.7s var(--ease-io), transform 0.9s var(--ease-io);
  transition-delay: calc(var(--r) * 0.3s);
}
.hero.is-leaving .hero__cta, .hero.is-leaving .hero__silent {
  opacity: 0; transform: translateY(10px) scale(0.96); transition: opacity 0.5s var(--ease-io), transform 0.7s var(--ease-io);
}
.hero.is-leaving .hero__silent { transform: translate(-50%, 10px); }

/* ——— düğmeler ——— */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center;
  height: 48px; padding: 0 30px; border-radius: 999px; overflow: hidden;
  font: 500 10.5px/1 var(--f-mono); letter-spacing: 0.16em; text-transform: uppercase;
  transition: background-color 0.4s var(--ease-out), color 0.4s, transform 0.6s var(--ease-out);
}
.btn--light { background: var(--white); color: var(--black); }
.btn--light:hover { background: var(--paper); }
.btn--dark { background: var(--black); color: var(--white); }
.btn--dark:hover { background: #2b2c2b; }
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.6; }
.btn__roll { display: grid; height: 1.4em; overflow: hidden; line-height: 1.4; }
.btn__roll > span { grid-area: 1 / 1; transition: transform 0.7s var(--ease-out); }
.btn__roll > span + span { transform: translateY(100%); }
.btn:hover .btn__roll > span:first-child { transform: translateY(-100%); }
.btn:hover .btn__roll > span + span { transform: translateY(0); }

.iconbtn { width: 40px; height: 40px; display: grid; place-items: center; margin-right: -10px; }
.iconbtn svg { width: 18px; height: 18px; transition: transform 0.6s var(--ease-out); }
.iconbtn:hover svg { transform: rotate(90deg); }

/* ——— noktalı ok (ION_ICON_ARROW): üzerine gelince noktalar uçtan geriye doğru dalgalanır ——— */
.navbtn { display: grid; place-items: center; flex: none; border-radius: 50%; position: relative; isolation: isolate; }
.navbtn::before {
  content: ''; position: absolute; inset: 0; border-radius: 50%; z-index: -1;
  transition: transform 0.6s var(--ease-out), background-color 0.45s, border-color 0.45s;
}
.navbtn .arrow { width: 18px; height: 18px; overflow: visible; }
.navbtn .arrow circle { transition: transform 0.55s var(--ease-out); transition-delay: calc(var(--k) * 30ms); transform-box: fill-box; transform-origin: center; }
[data-dir='prev'] .arrow, .slider__prev .arrow { transform: scaleX(-1); }
.navbtn--glass { width: 52px; height: 52px; color: var(--white); }
.navbtn--glass .arrow { width: 20px; height: 20px; }
.navbtn--glass::before { background: rgba(0, 0, 0, 0.22); border: 1px solid rgba(255, 255, 255, 0.55); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.navbtn--glass:hover::before { transform: scale(1.12); background: var(--white); border-color: var(--white); }
.navbtn--glass:hover { color: var(--black); }
.navbtn--line { width: 46px; height: 46px; color: var(--ink); }
.navbtn--line::before { border: 1px solid rgba(0, 0, 0, 0.22); }
.pager__btn:hover .navbtn--line::before, .pager__btn:focus-visible .navbtn--line::before { transform: scale(1.1); background: var(--black); border-color: var(--black); }
.pager__btn:hover .navbtn--line, .pager__btn:focus-visible .navbtn--line { color: var(--white); }
.navbtn:hover .arrow circle, .pager__btn:hover .arrow circle, .pager__btn:focus-visible .arrow circle { transform: translateX(5px); }
.navbtn .arrow circle:nth-child(odd) { transition-duration: 0.65s; }

/* ——— işaretçiler: küçük, dolu, temiz nokta ——— */
.markers { position: fixed; inset: 0; z-index: 5; pointer-events: none; overflow: hidden; }
.marker {
  position: absolute; left: 0; top: 0; width: 52px; height: 52px; margin: -26px 0 0 -26px;
  display: grid; place-items: center; pointer-events: auto;
  opacity: 0; transition: opacity 0.8s var(--ease-out);
  will-change: transform;
}
.marker__dot {
  grid-area: 1 / 1; width: 16px; height: 16px; border-radius: 50%; background: var(--white);
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.22), 0 2px 10px rgba(0, 0, 0, 0.45);
  transition: transform 0.6s var(--ease-out), background-color 0.4s, box-shadow 0.4s;
}
/* sinyal: noktadan yayılan iki dalga; yapı başına faz kaydırılır, hepsi aynı anda atmaz */
.marker__wave {
  grid-area: 1 / 1; width: 16px; height: 16px; border-radius: 50%; pointer-events: none;
  box-shadow: 0 0 0 1.5px rgba(255, 255, 255, 0.95), inset 0 0 0 1px rgba(255, 255, 255, 0.35);
  background: radial-gradient(closest-side, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.16));
  opacity: 0; animation: signal 3.2s cubic-bezier(0.2, 0.7, 0.3, 1) infinite; animation-delay: calc(var(--i) * -0.64s);
}
.marker__wave--b { animation-delay: calc(var(--i) * -0.64s - 1.6s); }
@keyframes signal { 0% { transform: scale(1); opacity: 0.95; } 100% { transform: scale(5.2); opacity: 0; } }
.marker__label {
  position: absolute; left: calc(50% + 18px); top: 50%; white-space: nowrap; pointer-events: none;
  font: 500 11px/1 var(--f-mono); letter-spacing: 0.16em; text-transform: uppercase;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.75), 0 0 2px rgba(0, 0, 0, 0.5);
  transform: translate(0, -50%); transition: transform 0.6s var(--ease-out), opacity 0.4s;
}
.marker__label .dots { margin-right: 0.7em; opacity: 0.8; }
.marker:hover .marker__dot, .marker:focus-visible .marker__dot { transform: scale(1.45); background: var(--black); box-shadow: 0 0 0 2px var(--white), 0 2px 14px rgba(0, 0, 0, 0.4); }
.marker:hover .marker__wave, .marker:focus-visible .marker__wave { animation-duration: 1.7s; }
.marker:hover .marker__label, .marker:focus-visible .marker__label { transform: translate(6px, -50%); }
.marker:focus-visible { outline: none; }
.marker.is-active .marker__dot { transform: scale(1.35); background: var(--black); box-shadow: 0 0 0 2px var(--white); }
.marker.on-left .marker__label { left: auto; right: calc(50% + 18px); }
.marker.on-left:hover .marker__label { transform: translate(-6px, -50%); }

body.is-explore .marker { opacity: 1; transition-delay: calc(var(--i) * 90ms); }
body:not(.is-explore) .marker { pointer-events: none; }
body.loop-on .marker { opacity: 0.38; }
body.is-night .marker__dot { background: #fff3df; box-shadow: 0 0 0 4px rgba(255, 214, 160, 0.2), 0 0 16px rgba(255, 196, 130, 0.65); }
body.is-night .marker__wave { box-shadow: 0 0 0 1.5px rgba(255, 226, 186, 0.9), inset 0 0 0 1px rgba(255, 226, 186, 0.3); }
body.loop-on .marker__wave { animation: none; opacity: 0; }
/* noktalar ve ekran gölgesi WebGL'de, haritayla aynı karede çizilir (js/isaretler.js); düğmeler yalnız etkileşim için */
body.gl-isaret .marker__dot, body.gl-isaret .marker__wave { visibility: hidden; animation: none; }
/* etiket görünmez ama dokunulabilir (noktayla aynı düğmenin parçası) */
body.gl-isaret .marker__label { opacity: 0; pointer-events: auto; }
.marker { touch-action: manipulation; -webkit-tap-highlight-color: transparent; }
@media (pointer: coarse) { .marker { width: 64px; height: 64px; margin: -32px 0 0 -32px; } }
body.gl-isaret .shade { display: none; }

/* Yeşil Döngü simgeleri: referanstaki siyah daire + siyah etiket; etiket yönü (data-side) çakışmaya göre seçilir */
.spot { position: absolute; left: 0; top: 0; width: 0; height: 0; pointer-events: none; will-change: transform; opacity: 0; transition: opacity 0.6s var(--ease-out); }
.spot__icon {
  position: absolute; left: -15px; top: -15px; width: 30px; height: 30px; border-radius: 50%; background: var(--black); color: var(--white);
  display: grid; place-items: center; box-shadow: 0 0 0 1.5px rgba(255, 255, 255, 0.9), 0 4px 14px rgba(0, 0, 0, 0.35);
  transform: scale(0.4); transition: transform 0.9s var(--ease-out);
}
.spot__icon svg { width: 18px; height: 18px; }
.spot__label {
  position: absolute; top: -12px; left: 24px; height: 24px; padding: 0 9px; display: grid; align-items: center;
  background: var(--black); color: var(--white); white-space: nowrap;
  font: 400 11.5px/1 var(--f-mono); letter-spacing: 0.02em;
  clip-path: inset(0 100% 0 0); transition: clip-path 0.9s var(--ease-out), transform 0.5s var(--ease-out);
}
.spot__label::before { content: ''; position: absolute; top: 50%; left: -5px; border: 5px solid transparent; border-left: 0; border-right-color: var(--black); transform: translateY(-50%); }
.spot[data-side='l'] .spot__label { left: auto; right: 24px; clip-path: inset(0 0 0 100%); }
.spot[data-side='l'] .spot__label::before { left: auto; right: -5px; border: 5px solid transparent; border-right: 0; border-left-color: var(--black); }
.spot[data-side='t'] .spot__label { left: 0; top: -46px; transform: translateX(-50%); }
.spot[data-side='b'] .spot__label { left: 0; top: 22px; transform: translateX(-50%); }
.spot[data-side='t'] .spot__label::before { left: 50%; top: auto; bottom: -5px; border: 5px solid transparent; border-bottom: 0; border-top-color: var(--black); transform: translateX(-50%); }
.spot[data-side='b'] .spot__label::before { left: 50%; top: -5px; border: 5px solid transparent; border-top: 0; border-bottom-color: var(--black); transform: translateX(-50%); }
body.loop-on .spot { opacity: 1; transition-delay: calc(0.6s + var(--i) * 0.11s); }
body.loop-on .spot__icon { transform: scale(1); transition-delay: calc(0.6s + var(--i) * 0.11s); }
body.loop-on .spot .spot__label { clip-path: inset(0 0 0 0); transition-delay: calc(0.85s + var(--i) * 0.11s), 0s; }
.markers .is-behind { visibility: hidden; }

/* ——— ilk kullanım: iki adımlı, kendiliğinden kaybolan anlatım ——— */
.tutor {
  position: fixed; left: 50%; top: 50%; z-index: 9; width: min(420px, 86vw);
  transform: translate(-50%, -50%); pointer-events: none; text-align: center;
  display: grid; justify-items: center;
}
.tutor::before { content: ''; position: absolute; left: 50%; top: 46%; width: 620px; height: 380px; transform: translate(-50%, -50%); z-index: -1; background: radial-gradient(closest-side, rgba(0, 0, 0, 0.34), rgba(0, 0, 0, 0)); opacity: 0; transition: opacity 0.9s var(--ease-out); }
.tutor[data-step='1']::before, .tutor[data-step='2']::before { opacity: 1; }
.tutor__step { grid-area: 1 / 1; display: grid; justify-items: center; gap: 10px; }
.tutor__num, .tutor__title, .tutor__note, .tutor__drag, .tutor__tap { opacity: 0; transform: translateY(14px); filter: blur(6px); transition: opacity 0.8s var(--ease-out), transform 1s var(--ease-out), filter 0.9s var(--ease-out); }
.tutor__num { font: 500 10.5px/1 var(--f-mono); letter-spacing: 0.2em; opacity: 0; }
.tutor__title { margin: 0; font: 400 clamp(28px, 3vw, 40px)/1.1 var(--f-mono); letter-spacing: -0.03em; text-shadow: 0 2px 26px rgba(0, 0, 0, 0.45); }
.tutor__note { margin: 4px 0 0; font: 500 10.5px/1.5 var(--f-mono); letter-spacing: 0.14em; text-transform: uppercase; text-shadow: 0 1px 12px rgba(0, 0, 0, 0.6); }
.tutor[data-step='1'] [data-step='1'] > *, .tutor[data-step='2'] [data-step='2'] > * { opacity: 1; transform: none; filter: none; }
.tutor[data-step='1'] [data-step='1'] > :nth-child(2), .tutor[data-step='2'] [data-step='2'] > :nth-child(2) { transition-delay: 0.1s; }
.tutor[data-step='1'] [data-step='1'] > :nth-child(3), .tutor[data-step='2'] [data-step='2'] > :nth-child(3) { transition-delay: 0.22s; }
.tutor[data-step='1'] [data-step='1'] > :nth-child(4), .tutor[data-step='2'] [data-step='2'] > :nth-child(4) { transition-delay: 0.34s; }
.tutor[data-step='1'] .tutor__num, .tutor[data-step='2'] .tutor__num { opacity: 0.85; }
/* adım 1: soldan sağa kayan nokta izi (sürükleme) */
.tutor__drag { position: relative; width: 150px; height: 18px; margin: 6px 0; }
.tutor__drag i { position: absolute; left: 0; top: 50%; width: 9px; height: 9px; margin-top: -4.5px; border-radius: 50%; background: var(--white); box-shadow: 0 1px 8px rgba(0, 0, 0, 0.4); animation: trail 2.6s var(--ease-io) infinite; }
.tutor__drag i:nth-child(1) { animation-delay: 0s; }
.tutor__drag i:nth-child(2) { animation-delay: 0.05s; opacity: 0.8; transform: scale(0.85); }
.tutor__drag i:nth-child(3) { animation-delay: 0.1s; }
.tutor__drag i:nth-child(4) { animation-delay: 0.15s; }
.tutor__drag i:nth-child(5) { animation-delay: 0.2s; }
.tutor__drag i:nth-child(6) { animation-delay: 0.25s; }
.tutor__drag i:nth-child(7) { animation-delay: 0.3s; }
@keyframes trail {
  0% { left: 0; opacity: 0; transform: scale(0.4); }
  12% { opacity: 1; transform: scale(1); }
  70% { left: calc(100% - 9px); opacity: 1; transform: scale(1); }
  100% { left: calc(100% - 9px); opacity: 0; transform: scale(0.4); }
}
.tutor__drag i:nth-child(n+2) { width: 6px; height: 6px; margin-top: -3px; }
/* adım 2: nokta ve genişleyen halkalar (dokunma) */
.tutor__tap { position: relative; width: 60px; height: 60px; display: grid; place-items: center; }
.tutor__tap i { grid-area: 1 / 1; width: 12px; height: 12px; border-radius: 50%; }
.tutor__tap i:first-child { background: var(--white); box-shadow: 0 1px 8px rgba(0, 0, 0, 0.45); animation: tap 2.2s var(--ease-out) infinite; }
.tutor__tap i + i { box-shadow: 0 0 0 1px var(--white); animation: ripple 2.2s var(--ease-out) infinite; }
.tutor__tap i:last-child { animation-delay: 0.3s; }
@keyframes tap { 0%, 100% { transform: scale(1); } 18% { transform: scale(0.7); } 32% { transform: scale(1.5); background: var(--black); box-shadow: 0 0 0 1.5px var(--white); } 70% { transform: scale(1); background: var(--white); } }
@keyframes ripple { 0%, 18% { transform: scale(1); opacity: 0; } 24% { opacity: 1; } 100% { transform: scale(4.6); opacity: 0; } }
.tutor__bars { display: flex; gap: 6px; margin-top: 26px; opacity: 0; transition: opacity 0.6s; }
.tutor[data-step='1'] .tutor__bars, .tutor[data-step='2'] .tutor__bars { opacity: 1; }
.tutor__bars span { width: 34px; height: 1.5px; background: rgba(255, 255, 255, 0.3); position: relative; overflow: hidden; }
.tutor__bars span::after { content: ''; position: absolute; inset: 0; background: var(--white); transform: scaleX(0); transform-origin: left; }
.tutor[data-step='1'] .tutor__bars span:first-child::after { animation: fill var(--tutor-t, 4s) linear forwards; }
.tutor[data-step='2'] .tutor__bars span:first-child::after { transform: scaleX(1); }
.tutor[data-step='2'] .tutor__bars span:last-child::after { animation: fill var(--tutor-t, 4s) linear forwards; }
@keyframes fill { to { transform: scaleX(1); } }

/* ——— pusula, alt şerit, sağ alt kontroller ——— */
.compass {
  position: fixed; left: var(--g-l); bottom: var(--g-b); z-index: 20;
  width: 74px; height: 74px; color: var(--white);
  opacity: 0; transition: opacity var(--t-2) var(--ease-out) 0.4s;
}
.compass svg { width: 100%; height: 100%; overflow: visible; }
.compass__text { transform-origin: 50px 50px; animation: spin 90s linear infinite; }
.compass__text text { font: 500 6.2px var(--f-mono); letter-spacing: 0.16em; fill: currentColor; opacity: 0.8; }
.compass__needle { transform-origin: 50px 50px; transform: rotate(calc(var(--north) + var(--yaw))); }
.compass__n { font: 700 8.5px var(--f-mono); fill: currentColor; }
@keyframes spin { to { transform: rotate(360deg); } }

.dock {
  position: fixed; left: 50%; bottom: var(--g-b); z-index: 20;
  display: flex; height: var(--dock-h); color: var(--ink);
  transform: translate(-50%, 20px); opacity: 0; pointer-events: none;
  transition: opacity var(--t-2) var(--ease-out) 0.3s, transform 1.1s var(--ease-out) 0.3s;
}
.dock__home {
  width: var(--dock-h); background: var(--black); color: var(--white);
  display: grid; place-items: center; transition: background-color 0.4s;
}
.dock__home:hover { background: #2b2c2b; }
.dock__home svg { width: 20px; height: 20px; transition: transform 0.6s var(--ease-out); }
.dock__home:hover svg { transform: translateY(-2px); }
.dock__info {
  padding: 0 18px; background: var(--paper); color: var(--ink);
  font: 500 10.5px/1 var(--f-mono); letter-spacing: 0.12em; text-transform: uppercase;
  transition: background-color 0.4s;
}
.dock__info:hover { background: var(--stone); }
.dock__select { position: relative; }
.dock__trigger {
  height: 100%; width: clamp(240px, 22vw, 300px); padding: 0 18px 0 22px;
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  background: var(--white); box-shadow: var(--shadow);
}
#menuLabel { white-space: nowrap; }
#menuLabel .short { display: none; }
.dock__trigger svg { flex: none; width: 18px; height: 18px; transition: transform 0.6s var(--ease-out); }
.dock__trigger[aria-expanded='true'] svg { transform: rotate(180deg); }
.dock__pop {
  position: absolute; left: 0; right: 0; bottom: calc(100% + 8px);
  background: var(--white); box-shadow: var(--shadow);
  animation: pop 0.6s var(--ease-out);
}
@keyframes pop { from { opacity: 0; transform: translateY(10px); clip-path: inset(30% 0 0 0); } }
.dock__list { padding: 10px 0; }
.dock__item {
  display: grid; grid-template-columns: 1.2em minmax(0, 1fr) auto; width: 100%; align-items: center; gap: 4px 10px;
  padding: 11px 22px; text-align: left;
  font: 400 14.5px/1.3 var(--f-mono); color: var(--ink);
  transition: background-color 0.35s, padding 0.5s var(--ease-out);
  opacity: 0; transform: translateY(6px); animation: rise 0.6s var(--ease-out) forwards; animation-delay: calc(var(--i) * 45ms);
}
@keyframes rise { to { opacity: 1; transform: none; } }
.dock__dots { align-self: start; padding-top: 0.15em; font: 400 13px/1.3 var(--f-mono); letter-spacing: 0.06em; color: var(--ink); }
.dock__alias { display: block; margin-top: 3px; font: 500 9.5px/1.3 var(--f-mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--grey); }
.dock__item .navbtn { width: 30px; height: 30px; color: var(--ink); opacity: 0; transform: translateX(-6px); transition: opacity 0.35s, transform 0.5s var(--ease-out); }
.dock__item .navbtn .arrow { width: 14px; height: 14px; }
.dock__item:hover, .dock__item:focus-visible { background: var(--paper); padding-left: 26px; outline: none; }
.dock__item:hover .navbtn, .dock__item:focus-visible .navbtn { opacity: 1; transform: none; }
.dock__item:hover .arrow circle { transform: translateX(4px); }

.controls {
  position: fixed; right: var(--g-r); bottom: var(--g-b); z-index: 20;
  display: flex; gap: 8px; align-items: center;
  opacity: 0; pointer-events: none; transition: opacity var(--t-2) var(--ease-out) 0.45s;
}
.atmo { position: relative; }
.atmo__btn {
  height: var(--dock-h); padding: 0 16px 0 17px; border-radius: 999px; background: var(--white); color: var(--ink);
  display: flex; align-items: center; gap: 10px; box-shadow: var(--shadow);
  font: 500 10.5px/1 var(--f-mono); letter-spacing: 0.12em; text-transform: uppercase;
  transition: background-color 0.5s, color 0.5s;
}
/* düğmedeki simge tek renk: zemin dairesi yok, Yeşil Döngü simgesi gibi yazı renginde çizilir */
.atmo__icons { position: relative; width: 22px; height: 22px; color: inherit; display: grid; place-items: center; }
.atmo__icons > svg { grid-area: 1 / 1; width: 22px; height: 22px; opacity: 0; transform: rotate(-50deg) scale(0.5); transition: opacity 0.45s, transform 0.8s var(--ease-out); }
body[data-season='summer'] .atmo__icons [data-show='summer'], body[data-season='autumn'] .atmo__icons [data-show='autumn'], body[data-season='winter'] .atmo__icons [data-show='winter'] { opacity: 1; transform: none; }
/* gece: mevsim simgesinin sağ üstünde aynı renkte küçük ay (düğme zemininde bir boşlukla ayrılır) */
.atmo__moon { position: absolute; left: 15px; top: -5px; width: 15px; height: 15px; border-radius: 50%; background: var(--white); color: inherit; display: grid; place-items: center; opacity: 0; transform: scale(0.4); transition: opacity 0.4s, transform 0.6s var(--ease-out); }
.atmo__moon svg { width: 12px; height: 12px; }
body.is-night .atmo__moon { opacity: 1; transform: none; }
.atmo__chev { width: 16px; height: 16px; transform: rotate(180deg); transition: transform 0.6s var(--ease-out); }
.atmo.is-open .atmo__chev { transform: none; }
.atmo__pop {
  position: absolute; right: 0; bottom: calc(100% + 10px); width: 300px; padding: 16px; background: var(--white); color: var(--ink);
  box-shadow: var(--shadow); display: grid; gap: 16px; transform-origin: 100% 100%;
  animation: atmoIn 0.6s var(--ease-out);
}
@keyframes atmoIn { from { opacity: 0; transform: translateY(12px); clip-path: inset(40% 0 0 0); } to { clip-path: inset(0); } }
.atmo__group { display: grid; gap: 8px; }
.atmo__group > .label { color: var(--grey); }
.atmo__row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
.atmo__row--two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.atmo__opt {
  height: 64px; display: grid; place-items: center; align-content: center; gap: 7px; border: 1px solid var(--line);
  font: 500 9.5px/1 var(--f-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink);
  transition: background-color 0.45s, color 0.45s, border-color 0.45s;
  opacity: 0; transform: translateY(8px); animation: rise 0.55s var(--ease-out) forwards;
}
.atmo__group:nth-child(1) .atmo__opt:nth-child(1) { animation-delay: 0.04s; } .atmo__group:nth-child(1) .atmo__opt:nth-child(2) { animation-delay: 0.08s; } .atmo__group:nth-child(1) .atmo__opt:nth-child(3) { animation-delay: 0.12s; }
.atmo__group:nth-child(2) .atmo__opt:nth-child(1) { animation-delay: 0.16s; } .atmo__group:nth-child(2) .atmo__opt:nth-child(2) { animation-delay: 0.2s; }
.atmo__opt svg { width: 20px; height: 20px; transition: transform 0.8s var(--ease-out); }
.atmo__opt:hover { border-color: rgba(0, 0, 0, 0.4); }
.atmo__opt:hover svg { transform: rotate(-16deg) scale(1.08); }
.atmo__opt[aria-checked='true'] { background: var(--black); border-color: var(--black); color: var(--white); }

.loopbtn {
  height: var(--dock-h); padding: 0 16px 0 18px; border-radius: 999px; background: var(--white); color: var(--ink);
  display: flex; align-items: center; gap: 10px; box-shadow: var(--shadow);
  font: 500 10.5px/1 var(--f-mono); letter-spacing: 0.12em; text-transform: uppercase;
  transition: background-color 0.5s, color 0.5s;
}
.loopbtn__icon { width: 22px; height: 22px; transition: transform 1.2s var(--ease-out), color 0.5s; }
.loopbtn:hover .loopbtn__icon { transform: rotate(120deg); }
.loopbtn[aria-pressed='true'] .loopbtn__icon { animation: spin 14s linear infinite; }
.switch { width: 30px; height: 16px; border-radius: 999px; background: rgba(0, 0, 0, 0.14); position: relative; transition: background-color 0.5s; }
.switch span { position: absolute; left: 2px; top: 2px; width: 12px; height: 12px; border-radius: 50%; background: var(--white); box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3); transition: transform 0.6s var(--ease-out); }
.loopbtn[aria-pressed='true'] { background: var(--black); color: var(--white); }
.loopbtn[aria-pressed='true'] .switch { background: var(--loop); }
.loopbtn[aria-pressed='true'] .switch span { transform: translateX(14px); }
.loopbtn[aria-pressed='true'] .loopbtn__icon { color: var(--loop); }

body.is-explore .dock { opacity: 1; transform: translate(-50%, 0); pointer-events: auto; }
body.is-explore .controls, body.is-explore .compass { opacity: 1; pointer-events: auto; }
body.panel-open .dock, body.panel-open .controls { opacity: 0; pointer-events: none; transition-delay: 0s; }

/* Yeşil Döngü açıklama kartı */
.loopcard {
  position: fixed; left: var(--g-l); top: calc(var(--g-t) + 52px); z-index: 19; width: 260px;
  padding: 16px 18px 18px; background: rgba(0, 0, 0, 0.72); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  opacity: 0; transform: translateY(12px); pointer-events: none; transition: opacity 0.7s var(--ease-out), transform 0.9s var(--ease-out);
}
.loopcard .label { display: block; color: var(--loop); }
.loopcard p { margin: 8px 0 0; font: 400 12.5px/1.6 var(--f-mono); color: rgba(255, 255, 255, 0.86); }
.loopcard__head { display: flex; align-items: center; gap: 10px; }
.loopcard__icon { width: 22px; height: 22px; color: var(--loop); animation: spin 14s linear infinite; }
@keyframes flow { to { background-position: -200% 0; } }
body.loop-on .loopcard { opacity: 1; transform: none; transition-delay: 0.4s; }
body.panel-open .loopcard { opacity: 0; }

/* ——— detay paneli ——— */
.panel {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 30;
  width: clamp(440px, 48vw, 760px);
  background: var(--white); color: var(--ink);
  display: flex; flex-direction: column;
  transform: translateX(100%); visibility: hidden;
  transition: transform 1s var(--ease-io), visibility 0s linear 1s;
}
.panel.is-open { transform: none; visibility: visible; transition: transform 1s var(--ease-io), visibility 0s; }
.panel__bar {
  flex: none; height: calc(64px + env(safe-area-inset-top, 0px));
  padding: env(safe-area-inset-top, 0px) calc(clamp(24px, 3.4vw, 48px) + env(safe-area-inset-right, 0px)) 0 clamp(24px, 3.4vw, 48px);
  display: flex; align-items: center; justify-content: space-between;
  background: var(--black); color: var(--white);
}
.panel__scroll { flex: 1; overflow: auto; overscroll-behavior: contain; scrollbar-width: none; }
.panel__scroll::-webkit-scrollbar { display: none; }
.panel__body {
  padding: clamp(26px, 3.2vw, 44px) calc(clamp(24px, 4vw, 56px) + env(safe-area-inset-right, 0px)) calc(44px + env(safe-area-inset-bottom, 0px)) clamp(24px, 4vw, 56px);
}

/* görseller: tam genişlik, boşluksuz */
.slider { position: relative; aspect-ratio: 16 / 9; background: #1a1c1b; overflow: hidden; touch-action: pan-y; }
.slider__frame { position: absolute; inset: 0; }
.slide { position: absolute; inset: 0; overflow: hidden; }
.slide img, .slide canvas { max-width: none; position: absolute; inset: -1% -3%; width: 106%; height: 102%; object-fit: cover; display: block; }
.slide.is-enter { animation: slideIn 1.25s var(--ease-out) both; }
.slide.is-enter img { animation: slideImgIn 1.6s var(--ease-out) both; }
.slide.is-leave { animation: slideOut 1.05s var(--ease-io) both; }
.slide.is-leave img { animation: slideImgOut 1.05s var(--ease-io) both; }
.slide.is-still img { transform: translateX(0) scale(1); }
@keyframes slideIn { from { clip-path: inset(0 0 0 100%); } to { clip-path: inset(0); } }
@keyframes slideImgIn { from { transform: translateX(calc(var(--dir) * 6%)) scale(1.08); } to { transform: translateX(0) scale(1); } }
@keyframes slideOut { from { opacity: 1; } to { opacity: 0.35; } }
@keyframes slideImgOut { from { transform: translateX(0) scale(1); } to { transform: translateX(calc(var(--dir) * -5%)) scale(1.02); } }
.slide.is-enter.from-prev { animation-name: slideInRev; }
@keyframes slideInRev { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0); } }
.slide img.is-loading { opacity: 0; }
.slide img { transition: opacity 0.6s; }
.slider__prev, .slider__next { position: absolute; top: 50%; margin-top: -26px; z-index: 2; opacity: 0; transition: opacity 0.5s var(--ease-out), transform 0.6s var(--ease-out); }
.slider__prev { left: 18px; transform: translateX(-8px); }
.slider__next { right: 18px; transform: translateX(8px); }
.slider:hover .slider__prev, .slider:hover .slider__next, .slider:focus-within .slider__prev, .slider:focus-within .slider__next { opacity: 1; transform: none; }
.slider__count {
  position: absolute; left: 20px; bottom: 16px; z-index: 2; display: flex; align-items: center; gap: 10px;
  color: var(--white); text-shadow: 0 1px 10px rgba(0, 0, 0, 0.5); font-variant-numeric: tabular-nums;
}
.slider__count i { width: 26px; height: 1px; background: rgba(255, 255, 255, 0.6); }
.slider.is-single .slider__prev, .slider.is-single .slider__next, .slider.is-single .slider__count { display: none; }

.panel__alias { margin: 0; color: var(--grey); }
.panel__alias:empty { display: none; }
.panel__title { margin: 10px 0 16px; font: 400 clamp(28px, 2.5vw, 36px)/1.1 var(--f-mono); letter-spacing: -0.03em; text-wrap: balance; }
.panel__text { margin: 0; max-width: 60ch; font: 400 14px/1.72 var(--f-mono); color: var(--body); }

/* künye: yalnız Mimar ve Kapsam; ayraç ve boş çizgi yok */
.facts { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 22px 32px; margin: 34px 0 0; padding-top: 22px; border-top: 1px solid var(--line); }
.facts--four { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px 20px; }
.facts div { min-width: 0; }
.facts dt { font: 500 9.5px/1.4 var(--f-mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--grey); }
.facts dd { margin: 10px 0 0; font: 400 14.5px/1.45 var(--f-mono); font-variant-numeric: tabular-nums; }
.facts--four dd { font-size: 18px; }
.logos { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; }
.logos__sep { align-self: stretch; width: 1px; min-height: 22px; background: rgba(0, 0, 0, 0.22); }
.logo { display: inline-block; height: var(--h); width: calc(var(--h) * var(--r)); background: currentColor; -webkit-mask: var(--src) center / contain no-repeat; mask: var(--src) center / contain no-repeat; }

.panel__extra:empty { display: none; }
.panel__extra { margin-top: 34px; }
.extra + .extra { margin-top: 32px; }
.extra__h { margin: 0 0 12px; color: var(--grey); text-align: left; }
.phases { width: 100%; border-collapse: collapse; font: 400 13px/1.4 var(--f-mono); font-variant-numeric: tabular-nums; }
.phases caption { text-align: left; padding-bottom: 10px; }
.phases th { font: 500 9.5px/1.4 var(--f-mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--grey); text-align: left; padding: 10px 8px 10px 0; border-bottom: 1px solid var(--black); }
.phases td { padding: 10px 8px 10px 0; border-bottom: 1px solid var(--line); }
.phases th:last-child, .phases td:last-child { text-align: right; padding-right: 0; }
.phases tfoot td { border-bottom: 0; font-weight: 700; }
.types { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.types li { display: grid; grid-template-columns: 3.4em minmax(0, 1fr); gap: 4px 10px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.types .dots { grid-row: span 3; margin: 0; color: var(--grey); }
.types .types__meta { font: 500 9.5px/1.5 var(--f-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--grey); }
.types strong { font: 500 14.5px/1.3 var(--f-mono); }
.types span:last-child { font: 400 13px/1.6 var(--f-mono); color: var(--body); }
.access { margin: 0; display: grid; grid-template-columns: minmax(0, 1fr) auto; border-top: 1px solid var(--line); }
.access dt, .access dd { margin: 0; padding: 10px 0; border-bottom: 1px solid var(--line); font: 400 13px/1.4 var(--f-mono); }
.access dd { padding-left: 12px; text-align: right; font-variant-numeric: tabular-nums; }
.logogrid {
  margin: 0; padding: 0; list-style: none;
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid var(--line); border-left: 1px solid var(--line);
}
.logogrid li {
  position: relative; aspect-ratio: 1.45; display: grid; place-items: center; overflow: hidden;
  border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
  transition: background-color 0.5s var(--ease-out);
}
.logogrid .logo { width: var(--w); height: var(--h); max-width: 80%; color: var(--ink); transition: transform 0.7s var(--ease-out), opacity 0.5s; }
.logogrid__name {
  position: absolute; left: 10px; right: 10px; bottom: 8px; text-align: center;
  font: 500 8.5px/1.2 var(--f-mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--grey);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  opacity: 0; transform: translateY(6px); transition: opacity 0.4s, transform 0.6s var(--ease-out);
}
.logogrid li:hover { background: var(--paper); }
.logogrid li:hover .logo { transform: translateY(-5px) scale(1.04); }
.logogrid li:hover .logogrid__name { opacity: 1; transform: none; }
.panel__actions { margin-top: 32px; }

.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--line); }
.pager__btn { display: flex; align-items: center; gap: 14px; text-align: left; min-width: 0; color: var(--ink); }
.pager__btn--next { justify-content: flex-end; text-align: right; }
.pager__txt { display: grid; gap: 4px; min-width: 0; }
.pager__txt .label { color: var(--grey); transition: color 0.4s; }
.pager__name { font: 400 14.5px/1.3 var(--f-mono); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: transform 0.6s var(--ease-out); }
.pager__btn:hover .pager__txt .label { color: var(--ink); }
.pager__btn:hover .pager__name { transform: translateX(-3px); }
.pager__btn--next:hover .pager__name { transform: translateX(3px); }

.panel__scroll > *, .panel__body > * { transition: opacity 0.8s var(--ease-out), transform 1s var(--ease-out); }
.panel.is-swapping .panel__body > * { opacity: 0; transform: translateY(14px); transition-duration: 0.3s; }
.panel.is-open .panel__body > :nth-child(2) { transition-delay: 0.05s; }
.panel.is-open .panel__body > :nth-child(3) { transition-delay: 0.1s; }
.panel.is-open .panel__body > :nth-child(4) { transition-delay: 0.15s; }
.panel:not(.is-open) .panel__body > * { opacity: 0; transform: translateY(20px); }
.panel.is-open .panel__body > * { transition-duration: 0.9s, 1.2s; }

/* ——— form çekmecesi ——— */
.scrim { position: fixed; inset: 0; z-index: 35; background: rgba(0, 0, 0, 0.5); animation: fade 0.6s var(--ease-out); }
@keyframes fade { from { opacity: 0; } }
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 40; width: min(520px, 100vw);
  background: var(--white); color: var(--ink); display: flex; flex-direction: column;
  transform: translateX(100%); visibility: hidden;
  transition: transform 0.9s var(--ease-io), visibility 0s linear 0.9s;
}
.drawer.is-open { transform: none; visibility: visible; transition: transform 0.9s var(--ease-io), visibility 0s; }
.drawer__head { flex: none; height: calc(64px + env(safe-area-inset-top, 0px)); padding: env(safe-area-inset-top, 0px) calc(clamp(24px, 3vw, 44px) + env(safe-area-inset-right, 0px)) 0 clamp(24px, 3vw, 44px); display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.drawer__body { flex: 1; overflow: auto; padding: 40px calc(clamp(24px, 3vw, 44px) + env(safe-area-inset-right, 0px)) calc(44px + env(safe-area-inset-bottom, 0px)) clamp(24px, 3vw, 44px); overscroll-behavior: contain; }
.drawer__title { margin: 0 0 14px; font: 400 clamp(28px, 2.4vw, 34px)/1.12 var(--f-mono); letter-spacing: -0.03em; text-wrap: balance; }
.drawer__lead { margin: 0 0 30px; max-width: 40ch; font: 400 14px/1.65 var(--f-mono); color: var(--body); }
.drawer.is-open .drawer__title, .drawer.is-open .drawer__lead, .drawer.is-open .form { animation: rise 1s var(--ease-out) both; }
.drawer.is-open .drawer__lead { animation-delay: 0.08s; }
.drawer.is-open .form { animation-delay: 0.16s; }
.form { display: grid; gap: 20px; }
.field { display: grid; gap: 4px; }
.field .label { color: var(--grey); }
.field input, .field select, .field textarea {
  width: 100%; padding: 8px 0 10px; border: 0; border-bottom: 1px solid rgba(0, 0, 0, 0.3); border-radius: 0;
  background: transparent; font: 400 16px/1.3 var(--f-mono); color: var(--ink);
  transition: border-color 0.3s;
}
.field select { appearance: none; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 8l5 5 5-5' stroke='%23000' stroke-width='1.4' fill='none'/%3E%3C/svg%3E") right center / 16px no-repeat; }
.field textarea { resize: vertical; min-height: 72px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-bottom-color: var(--black); }
.field.is-invalid input { border-bottom-color: #a4472e; }
.check { display: grid; grid-template-columns: 18px 1fr; gap: 12px; align-items: start; font: 400 12.5px/1.55 var(--f-mono); color: var(--body); cursor: pointer; }
.check input { appearance: none; width: 18px; height: 18px; margin: 1px 0 0; border: 1px solid rgba(0, 0, 0, 0.45); display: grid; place-items: center; cursor: pointer; }
.check input:checked { background: var(--black); border-color: var(--black); }
.check input:checked::after { content: ''; width: 9px; height: 5px; border: 1.4px solid var(--white); border-top: 0; border-right: 0; transform: translateY(-1px) rotate(-45deg); }
.check.is-invalid input { border-color: #a4472e; }
.form__error { min-height: 1.2em; margin: -6px 0 0; font: 400 13px/1.4 var(--f-mono); color: #a4472e; }
.form__note { margin: 0; font: 400 12.5px/1.55 var(--f-mono); color: var(--body); }
.form__note .label { color: var(--black); margin-right: 6px; }
.form .btn { justify-self: start; }
.form__done { display: grid; justify-items: start; gap: 6px; padding-top: 12px; }
.form__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--black); margin: 0 0 10px; }
.form__done h3 { margin: 0; font: 400 26px/1.15 var(--f-mono); letter-spacing: -0.02em; }
.form__done p { margin: 0; font: 400 14px/1.65 var(--f-mono); color: var(--body); }

/* ——— açılış: ION logo motion'u ortada, sade ——— */
.loader {
  position: fixed; inset: 0; z-index: 50; background: var(--black);
  display: grid; place-items: center;
  transition: opacity 1.4s var(--ease-io), visibility 0s linear 1.4s;
}
.loader__stage { position: relative; width: min(640px, 90vw); aspect-ratio: 16 / 9; display: grid; place-items: center; }
.loader__video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; opacity: 0; transition: opacity 0.6s; }
.loader.is-playing .loader__video { opacity: 1; }
.loader__mark { width: 74px; height: 36px; color: var(--white); opacity: 0; transition: opacity 0.8s; }
.loader.is-fallback .loader__mark { opacity: 1; animation: breathe2 2.4s ease-in-out infinite; }
@keyframes breathe2 { 50% { opacity: 0.55; } }
.loader__bar { position: absolute; left: 50%; bottom: calc(var(--g-b) + 28px); width: 120px; height: 1px; margin-left: -60px; background: rgba(255, 255, 255, 0.14); overflow: hidden; transition: opacity 0.8s; }
.loader__bar span { position: absolute; inset: 0; background: rgba(255, 255, 255, 0.7); transform: scaleX(var(--p, 0)); transform-origin: left; transition: transform 0.4s linear; }
.loader.is-ready .loader__bar { opacity: 0; }
.loader__skip { position: absolute; left: 50%; bottom: calc(var(--g-b) + 12px); transform: translateX(-50%); color: rgba(255, 255, 255, 0.6); animation: fade 1s var(--ease-out); }
.loader__skip:hover { color: var(--white); }
.loader.is-done { opacity: 0; visibility: hidden; }
.loader.is-done .loader__stage { transform: scale(0.98); transition: transform 1.4s var(--ease-io); }
.loader.is-fallback .loader__video { opacity: 0; }
.loader.is-anim video.loader__video { display: none; }
.loader__still { opacity: 1 !important; }
/* son nokta büyüyerek haritaya açılır: siyah perde noktanın yerinden delinir */
.loader.is-iris {
  -webkit-mask-image: radial-gradient(circle at var(--cx) var(--cy), transparent calc(var(--r) - 0.75px), #000 calc(var(--r) + 0.75px));
  mask-image: radial-gradient(circle at var(--cx) var(--cy), transparent calc(var(--r) - 0.75px), #000 calc(var(--r) + 0.75px));
}
.loader.is-iris .loader__bar, .loader.is-iris .loader__skip { opacity: 0; transition: opacity 0.3s; }
.loader.is-iris.is-done { opacity: 1; transition: none; }
.iris { position: fixed; z-index: 51; border-radius: 50%; background: var(--white); pointer-events: none; transform-origin: 50% 50%; will-change: transform, opacity; }

.nogl { position: fixed; inset: 0; z-index: 60; display: grid; place-content: center; justify-items: center; gap: 18px; padding: 24px; background: var(--black); text-align: center; font: 400 15px/1.6 var(--f-mono); }
.nogl p { max-width: 40ch; margin: 0; }
.nogl .brand__logo { width: 80px; height: 40px; }

/* ——— mobil ——— */
@media (max-width: 820px) {
  :root { --dock-h: 50px; }
  .brand__logo { width: 56px; height: 28px; }
  .compass { display: none; }
  .dock { left: var(--g-l); right: var(--g-r); transform: translateY(20px); }
  .controls { bottom: calc(var(--g-b) + var(--dock-h) + 10px); }
  body.is-explore .dock { transform: none; }
  .dock__select { flex: 1; min-width: 0; }
  .dock__trigger { width: 100%; padding: 0 14px 0 16px; }
  .dock__info { padding: 0 12px; }
  .dock__pop { left: calc(var(--dock-h) * -2.2); right: calc((var(--dock-h) * 2 + 16px) * -1); }
  .loopbtn { width: var(--dock-h); padding: 0; justify-content: center; }
  .atmo__label, .atmo__chev { display: none; }
  .atmo__btn { width: var(--dock-h); padding: 0; justify-content: center; }
  .atmo__pop { width: min(300px, calc(100vw - 32px)); }
  #menuLabel .long { display: none; }
  #menuLabel .short { display: inline; }
  .loopbtn__text, .loopbtn .switch { display: none; }
  .panel {
    top: auto; left: 0; width: auto; height: min(88dvh, 860px);
    transform: translateY(100%);
  }
  .panel__bar { height: 56px; padding: 0 max(20px, env(safe-area-inset-right, 0px)) 0 max(20px, env(safe-area-inset-left, 0px)); }
  .panel__body { padding: 24px max(20px, env(safe-area-inset-right, 0px)) calc(36px + env(safe-area-inset-bottom, 0px)) max(20px, env(safe-area-inset-left, 0px)); }
  .slider__prev, .slider__next { opacity: 1; transform: none; width: 42px; height: 42px; margin-top: -21px; }
  .slider__prev { left: 12px; } .slider__next { right: 12px; }
  .facts { grid-template-columns: 1fr; gap: 18px; }
  .facts--four { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .logogrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .logogrid li { aspect-ratio: 2; }
  .drawer__head { padding: env(safe-area-inset-top, 0px) max(20px, env(safe-area-inset-right, 0px)) 0 max(20px, env(safe-area-inset-left, 0px)); }
  .drawer__body { padding: 28px max(20px, env(safe-area-inset-right, 0px)) calc(36px + env(safe-area-inset-bottom, 0px)) max(20px, env(safe-area-inset-left, 0px)); }
  .marker__label { font-size: 9.5px; letter-spacing: 0.14em; }
  .spot__label { display: none; }
  /* mobil: kart başlık kadar küçük açılır, metni birkaç saniye gösterip yeniden başlığa toplanır (main.js → peekLoopCard) */
  .loopcard {
    left: var(--g-l); right: auto; top: calc(var(--g-t) + 46px); bottom: auto;
    width: min(270px, calc(100vw - var(--g-l) - var(--g-r))); padding: 10px 14px 12px 12px;
    clip-path: inset(0 calc(100% - var(--head-w, 120px) - 26px) calc(100% - 42px) 0);
    transition: opacity 0.7s var(--ease-out), transform 0.9s var(--ease-out), clip-path 0.8s var(--ease-out);
  }
  body.loop-on .loopcard { pointer-events: auto; cursor: pointer; }
  .loopcard__head { width: max-content; }
  .loopcard.is-open { clip-path: inset(0); }
  .loopcard p { font-size: 12px; opacity: 0; transition: opacity 0.35s; }
  .loopcard.is-open p { opacity: 1; transition-delay: 0.25s; }
  .pager__name { font-size: 13.5px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001s !important; animation-iteration-count: 1 !important; transition-duration: 0.001s !important; transition-delay: 0s !important; }
}

/* alan adı paketi: telif satırı */
.extra__telif{margin:32px 0 6px;font-size:11px;line-height:1.5;letter-spacing:.02em;opacity:.5}