/* Tanıtım sayfası (W-01). Marka renkleri M-01'de kesinleşecek; profil renkleri burada öneri.
   Dış yazı tipi yok: hız (W-09) ve ziyaretçinin IP'si üçüncü tarafa gitmesin diye sistemin yuvarlak yazısı. */
:root {
  --kagit: #fff4e4;
  --murekkep: #1b1722;
  --soluk: #5d5566;
  --kart: #fffaf2;
  --cizgi: #1b1722;
  --gece: #1b1722;
  --gece-yazi: #fff4e4;
  --renk: #ff6b35;
  --renk-acik: #ffd3bd;
  --renk-yazi: #1b1722;
  --ikinci: #ffc94a;
  --yuvarlak: ui-rounded, "SF Pro Rounded", "Hiragino Maru Gothic ProN", "Arial Rounded MT Bold", "Nunito", "Quicksand", system-ui, sans-serif;
  --gecis: 600ms cubic-bezier(.2, .8, .2, 1);
}
body[data-profil="toddler"] { --renk: #7b8cff; --renk-acik: #d9ddff; --ikinci: #ffd77a; }
body[data-profil="elder"]   { --renk: #2f9e6e; --renk-acik: #c9ecd9; --ikinci: #ffb86b; }
body[data-profil="teen"]    { --renk: #c4f03c; --renk-acik: #ecfbbf; --ikinci: #ff7ab8; }
@media (prefers-color-scheme: dark) {
  :root {
    --kagit: #17141c;
    --murekkep: #fff4e4;
    --soluk: #bdb3c4;
    --kart: #221e29;
    --cizgi: #fff4e4;
    --gece: #0d0b10;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 18px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--murekkep);
  background: var(--kagit);
  overflow-x: hidden;
}
h1, h2, h3, h4, .logo, .dugme, .sekme-ad, .balon, .adim-no { font-family: var(--yuvarlak); }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--murekkep); outline-offset: 3px; border-radius: 12px; }
.gizli { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Zemin: renkli lekeler + kâğıt dokusu */
.zemin { position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.zemin::after {
  content: ""; position: absolute; inset: 0; opacity: .35; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .35 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.leke { position: absolute; border-radius: 50%; filter: blur(60px); opacity: .55; transition: background var(--gecis); }
.leke-1 { width: 46vmax; height: 46vmax; background: var(--renk-acik); top: -14vmax; right: -10vmax; animation: suzul 18s ease-in-out infinite alternate; }
.leke-2 { width: 30vmax; height: 30vmax; background: var(--ikinci); bottom: -12vmax; left: -8vmax; opacity: .35; animation: suzul 22s ease-in-out infinite alternate-reverse; }
.leke-3 { width: 18vmax; height: 18vmax; background: var(--renk); top: 40%; left: 40%; opacity: .18; animation: suzul 26s ease-in-out infinite alternate; }
@keyframes suzul { to { transform: translate(4vmax, 3vmax) scale(1.08); } }

/* Üst şerit */
.ust { display: flex; justify-content: space-between; align-items: center; gap: 12px; max-width: 1160px; margin: 0 auto; padding: 18px 20px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 26px; text-decoration: none; letter-spacing: -.02em; }
.logo-nokta { width: 26px; height: 26px; border-radius: 50%; background: var(--murekkep); box-shadow: inset 0 0 0 5px var(--renk); transition: box-shadow var(--gecis); }
.ust-sag { display: flex; align-items: center; gap: 10px; }
select {
  font: inherit; font-size: 15px; min-height: 44px; padding: 6px 12px; border-radius: 999px;
  border: 2px solid var(--cizgi); background: var(--kart); color: var(--murekkep);
}

.dugme {
  display: inline-flex; align-items: center; min-height: 52px; padding: 12px 26px; border-radius: 999px;
  font-weight: 800; font-size: 19px; text-decoration: none; color: var(--renk-yazi); background: var(--renk);
  border: 2.5px solid var(--cizgi); box-shadow: 4px 4px 0 var(--cizgi);
  transition: transform .15s, box-shadow .15s, background var(--gecis);
}
.dugme:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--cizgi); }
.dugme:active { transform: translate(3px, 3px); box-shadow: 1px 1px 0 var(--cizgi); }
.dugme-ince { min-height: 44px; padding: 8px 18px; font-size: 16px; box-shadow: 3px 3px 0 var(--cizgi); }

main { max-width: 1160px; margin: 0 auto; padding: 0 20px; }

/* Kahraman */
.kahraman { display: grid; grid-template-columns: 1.05fr 1fr; gap: 40px; align-items: center; min-height: calc(100svh - 90px); padding: 20px 0 60px; }
.rozet {
  display: inline-block; margin: 0 0 18px; padding: 6px 14px; border-radius: 999px; font-size: 14px; font-weight: 700;
  border: 2px dashed var(--cizgi); background: var(--kart);
}
h1 { font-size: clamp(54px, 8.4vw, 112px); line-height: .92; letter-spacing: -.045em; margin: 0 0 24px; font-weight: 900; }
h1 .satir { display: block; animation: yuksel .9s cubic-bezier(.2, .8, .2, 1) both; }
h1 .satir + .satir { animation-delay: .12s; }
.vurgulu { position: relative; width: fit-content; }
.kivrim { position: absolute; left: 0; right: 0; bottom: -.12em; width: 100%; height: .28em; overflow: visible; }
.kivrim path { fill: none; stroke: var(--renk); stroke-width: 9; stroke-linecap: round; stroke-dasharray: 400; stroke-dashoffset: 400; animation: ciz 1.1s .6s ease-out forwards; transition: stroke var(--gecis); }
@keyframes ciz { to { stroke-dashoffset: 0; } }
@keyframes yuksel { from { opacity: 0; transform: translateY(40px) rotate(2deg); } }
.vaat { font-size: clamp(18px, 1.6vw, 21px); max-width: 30em; margin: 0 0 30px; color: var(--soluk); animation: yuksel .9s .25s both; }
.kahraman-yazi .dugme { animation: yuksel .9s .35s both; }

/* Profil seçici */
.sahne { display: flex; flex-direction: column; align-items: center; gap: 26px; }
.profil-secici { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; padding: 6px; border-radius: 999px; border: 2.5px solid var(--cizgi); background: var(--kart); }
.profil-secici button {
  font: inherit; cursor: pointer; border: 0; border-radius: 999px; padding: 8px 16px; min-height: 48px;
  background: transparent; color: var(--murekkep); display: flex; flex-direction: column; align-items: center; line-height: 1.1;
  transition: background var(--gecis), color .2s;
}
.profil-secici button:hover { background: var(--renk-acik); }
.profil-secici button[aria-selected="true"] { background: var(--murekkep); color: var(--kagit); }
.sekme-ad { font-weight: 800; font-size: 17px; }
.sekme-yas { font-size: 12px; opacity: .8; }

/* Cihaz */
.cihaz-alani { position: relative; display: flex; flex-direction: column; align-items: center; }
.cihaz {
  --boy: min(78vw, 380px);
  position: relative; width: var(--boy); aspect-ratio: 1; border-radius: 50%; padding: 7.5%;
  background:
    radial-gradient(circle at 30% 22%, rgba(255,255,255,.55), rgba(255,255,255,0) 32%),
    radial-gradient(circle at 70% 85%, rgba(0,0,0,.18), rgba(0,0,0,0) 45%),
    var(--renk);
  box-shadow: inset 0 -10px 24px rgba(0,0,0,.22), inset 0 8px 16px rgba(255,255,255,.35), 0 30px 60px -20px rgba(27,23,34,.55), 0 0 0 2.5px var(--cizgi);
  transition: background-color var(--gecis), transform .5s cubic-bezier(.3, 1.6, .4, 1);
  animation: nefes 5s ease-in-out infinite;
}
@keyframes nefes { 50% { transform: translateY(-8px) rotate(-1.5deg); } }
.cihaz.zipla { animation: zipla .5s cubic-bezier(.3, 1.6, .4, 1); }
@keyframes zipla { 40% { transform: scale(1.06, .94) translateY(6px); } 70% { transform: scale(.97, 1.04) translateY(-14px); } }
/* Çanta askısı (çocuk, genç), büyük fiziksel tuş (büyükler); bebekte ikisi de yok (AC-007) */
.aski {
  position: absolute; top: -9%; left: 50%; width: 22%; aspect-ratio: 1; translate: -50% 0; border-radius: 50%;
  border: calc(var(--boy) * .03) solid var(--cizgi); z-index: -1; transition: opacity .3s, transform .4s;
}
.yan-tus {
  position: absolute; right: -4.5%; top: 38%; width: 7%; height: 24%; border-radius: 999px; background: var(--ikinci);
  border: 2.5px solid var(--cizgi); opacity: 0; transform: translateX(-40%); transition: opacity .3s, transform .4s;
}
body[data-profil="toddler"] .aski, body[data-profil="elder"] .aski { opacity: 0; transform: translateY(30%); }
body[data-profil="elder"] .yan-tus { opacity: 1; transform: none; }

.ekran {
  display: block; width: 100%; height: 100%; padding: 0; border: 0; border-radius: 50%; cursor: pointer;
  background: #0a090d; box-shadow: inset 0 0 0 4px #000, inset 0 6px 20px rgba(0,0,0,.8); overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}
.ekran svg { width: 100%; height: 100%; display: block; }
.isik { transition: opacity .25s; }
.yuz { opacity: 0; transform: scale(.7); transform-origin: 100px 100px; transition: opacity .35s, transform .5s cubic-bezier(.3, 1.5, .4, 1); pointer-events: none; }
body[data-profil="kids"] .yuz-kids, body[data-profil="toddler"] .yuz-toddler,
body[data-profil="elder"] .yuz-elder, body[data-profil="teen"] .yuz-teen { opacity: 1; transform: none; }

.goz { transform-box: fill-box; transform-origin: center; transition: transform .09s; }
.kirp .goz { transform: scaleY(.08); }
.bebek { transition: transform .12s ease-out; }
.kulak { fill: var(--renk); transition: fill var(--gecis); }
.kulak-ic { fill: #fff; opacity: .3; }
.yanak { fill: #ff7aa8; opacity: .55; }
.agiz, .mutlu path, .uyku path { fill: none; stroke: #fff; stroke-width: 6; stroke-linecap: round; }
.agiz.koyu { stroke: #14121a; stroke-width: 4; }
.mutlu { opacity: 0; }
.mutlu-an .yuz-kids .goz { opacity: 0; }
.mutlu-an .yuz-kids .mutlu { opacity: 1; }

.ay { fill: #ffe7a3; }
.yildiz { fill: #fff; animation: pirilti 2.4s ease-in-out infinite; }
.yildiz.y2 { animation-delay: .8s; } .yildiz.y3 { animation-delay: 1.6s; }
@keyframes pirilti { 50% { opacity: .2; } }
.z { fill: var(--renk-acik); font: 800 18px var(--yuvarlak); animation: zz 3s ease-in infinite; opacity: 0; }
.z2 { animation-delay: 1s; } .z3 { animation-delay: 2s; }
@keyframes zz { 0% { opacity: 0; transform: translate(0, 10px); } 30% { opacity: 1; } 100% { opacity: 0; transform: translate(10px, -16px); } }
.uyanik, .eller rect { opacity: 0; }
.eller rect { fill: var(--renk); transition: transform .3s cubic-bezier(.3, 1.5, .4, 1), opacity .2s; transform-box: fill-box; }
.ce-saklan .eller rect { opacity: 1; }
.ce-ee .uyku { opacity: 0; } .ce-ee .uyanik { opacity: 1; }
.ce-ee .eller rect:first-child { opacity: 1; transform: translate(-60px, 40px) rotate(-20deg); }
.ce-ee .eller rect:last-child { opacity: 1; transform: translate(60px, 40px) rotate(20deg); }

.saat { fill: #fff; font: 800 50px var(--yuvarlak); letter-spacing: -1px; }
.iyiyim rect { fill: transparent; stroke: var(--renk); stroke-width: 3; transition: fill .3s; }
.iyiyim text { fill: #fff; font: 800 17px var(--yuvarlak); }
.iyi-an .iyiyim rect { fill: var(--renk); }

.halka-iz, .halka { fill: none; stroke-width: 9; }
.halka-iz { stroke: rgba(255,255,255,.1); }
.halka { stroke: var(--renk); stroke-linecap: round; stroke-dasharray: 0 100; transition: stroke-dasharray 1s linear; }
.pet { transform-origin: 100px 142px; transform: scale(.62); transition: transform 1s cubic-bezier(.3, 1.5, .4, 1); }
.pet-govde { fill: var(--renk); }
.filiz { fill: #7be08a; }
.sayac { fill: #fff; font: 700 15px var(--yuvarlak); letter-spacing: 1px; }

/* Balon */
.balon {
  position: relative; z-index: 2; margin: 0 0 22px; max-width: 300px; padding: 12px 18px; border-radius: 22px;
  font-weight: 800; font-size: 18px; text-align: center; background: var(--kart); border: 2.5px solid var(--cizgi);
  box-shadow: 4px 4px 0 var(--cizgi); min-height: 56px; display: flex; align-items: center; justify-content: center;
}
.balon::after {
  content: ""; position: absolute; bottom: -12px; left: 50%; width: 20px; height: 20px; translate: -50% 0; rotate: 45deg;
  background: var(--kart); border-right: 2.5px solid var(--cizgi); border-bottom: 2.5px solid var(--cizgi);
}
.balon.yeni { animation: pat .35s cubic-bezier(.3, 1.6, .4, 1); }
@keyframes pat { from { transform: scale(.7); opacity: 0; } }
.ipucu { margin: 18px 0 0; font-size: 14px; font-weight: 700; color: var(--soluk); }

/* Bölümler */
.bolum { padding: 70px 0; }
h2 { font-size: clamp(38px, 5vw, 64px); line-height: 1; letter-spacing: -.035em; margin: 0 0 14px; font-weight: 900; }
.alt-baslik { font-size: 20px; color: var(--soluk); max-width: 36em; margin: 0 0 36px; }

.adimlar { list-style: none; margin: 34px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: adim; }
.adim { position: relative; padding: 26px 24px 22px; border-radius: 28px; background: var(--kart); border: 2.5px solid var(--cizgi); box-shadow: 6px 6px 0 var(--cizgi); }
.adim:nth-child(2) { translate: 0 22px; rotate: .6deg; } .adim:nth-child(3) { translate: 0 44px; rotate: -.6deg; }
.adim-no {
  display: grid; place-items: center; width: 58px; height: 58px; border-radius: 50%; margin-bottom: 12px;
  font-size: 30px; font-weight: 900; background: var(--renk); color: var(--renk-yazi); border: 2.5px solid var(--cizgi);
  transition: background var(--gecis);
}
.adim h3 { font-size: 24px; margin: 0 0 6px; letter-spacing: -.02em; }
.adim p { margin: 0; color: var(--soluk); }

.demo {
  margin-top: 90px; padding: 26px 28px; border-radius: 28px; display: grid; grid-template-columns: 1fr minmax(220px, 1.2fr); gap: 8px 30px; align-items: center;
  background: var(--gece); color: var(--gece-yazi);
}
.demo-baslik { grid-column: 1 / -1; margin: 0 0 8px; font: 800 22px var(--yuvarlak); }
.demo label { font-weight: 700; }
.demo input[type="range"] { width: 100%; accent-color: var(--renk); height: 44px; }
.demo-durum { margin: 0; font-weight: 800; color: var(--renk); transition: color var(--gecis); }
.demo-olcum { margin: 0; opacity: .8; font-size: 15px; }

.kartlar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.kart {
  --k: #ff6b35; padding: 22px 20px; border-radius: 28px; background: var(--kart); border: 2.5px solid var(--cizgi);
  box-shadow: 6px 6px 0 var(--k); cursor: pointer; transition: transform .25s, box-shadow .25s;
}
.kart-toddler { --k: #7b8cff; } .kart-elder { --k: #2f9e6e; } .kart-teen { --k: #c4f03c; }
.kart:hover, .kart.secili { transform: translate(-3px, -3px) rotate(-.8deg); box-shadow: 10px 10px 0 var(--k); }
.kart h3 { font-size: 28px; margin: 0 0 12px; letter-spacing: -.02em; }
.kart h3 span { display: block; font-size: 15px; font-weight: 700; color: var(--soluk); letter-spacing: 0; }
.kart h4 { font-size: 15px; text-transform: uppercase; letter-spacing: .08em; margin: 16px 0 8px; }
.kart ul { list-style: none; padding: 0; margin: 0; font-size: 16px; }
.kart li { position: relative; padding-left: 28px; margin-bottom: 8px; }
.kart li::before { position: absolute; left: 0; top: 1px; width: 20px; height: 20px; border-radius: 50%; display: grid; place-items: center; font-size: 12px; font-weight: 900; }
.yapar li::before { content: "✓"; background: var(--k); color: #1b1722; }
.yapmaz li::before { content: "✕"; background: var(--murekkep); color: var(--kagit); }

.dunya { margin: 0 -20px; padding-bottom: 50px; }
.dunya .bolum { padding: 70px 20px 10px; }
.serit { overflow: hidden; border-block: 2.5px solid var(--cizgi); background: var(--renk); transition: background var(--gecis); rotate: -1.5deg;
  margin-inline: calc(50% - 50vw - 30px); }  /* ekranın iki kenarına taşar; eğik köşeler görünmesin */
.serit-ic { display: flex; width: max-content; animation: kay 40s linear infinite; }
.serit-ic span { padding: 16px 22px; font: 900 30px var(--yuvarlak); color: var(--renk-yazi); white-space: nowrap; letter-spacing: -.02em; }
.serit-ic span::after { content: "●"; margin-left: 44px; font-size: 14px; vertical-align: middle; }
@keyframes kay { to { transform: translateX(-50%); } }

.guven { margin: 40px 0 0; padding: 60px 40px; border-radius: 40px; background: var(--gece); color: var(--gece-yazi); }
.guven ul { list-style: none; padding: 0; margin: 26px 0 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px 32px; }
.guven li { font: 800 22px/1.25 var(--yuvarlak); padding-top: 16px; border-top: 2px solid rgba(255,244,228,.25); letter-spacing: -.01em; }

.alt { max-width: 1160px; margin: 0 auto; padding: 50px 20px 60px; font-weight: 700; color: var(--soluk); text-align: center; }

@media (max-width: 900px) {
  .kahraman { grid-template-columns: 1fr; min-height: 0; gap: 30px; padding-top: 10px; }
  .kahraman-yazi { text-align: center; display: flex; flex-direction: column; align-items: center; }
  .vurgulu { margin: 0 auto; }
  .adimlar, .kartlar { grid-template-columns: 1fr 1fr; }
  .adim:nth-child(n) { translate: none; rotate: none; }
  .demo { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  body { font-size: 17px; }
  .ust { padding: 14px 16px; }
  main { padding: 0 16px; }
  .logo { font-size: 22px; }
  .adimlar, .kartlar { grid-template-columns: 1fr; }
  .profil-secici { display: grid; grid-template-columns: 1fr 1fr; width: 100%; border-radius: 30px; }
  .profil-secici button { border-radius: 24px; }
  .bolum { padding: 50px 0; }
  .dunya { margin: 0 -16px; }
  .guven { padding: 40px 22px; border-radius: 28px; }
  .serit-ic span { font-size: 22px; padding: 12px 16px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .kivrim path { stroke-dashoffset: 0; }
  html { scroll-behavior: auto; }
}