/* Koçi web sitesi — uygulamanın renkleri (style.css :root) üstüne kurulu */
:root {
  --orange: #d9633a; --orange-dk: #b04b27; --orange-lt: #fde8db;
  --cream: #fbf6ef; --sand: #efe3d6; --card: #fff;
  --navy: #1f2a44; --ink: #1f2a44; --muted: #7a6f66; --line: #eadfd3;
  --green: #2e9e6a; --green-dk: #237a51; --green-lt: #e8f6ee;
  --yellow: #e5b04d; --yellow-lt: #fff4dc; --red: #d64a3c; --red-lt: #fdecea;
  --radius: 18px;
  --font: "Nunito", -apple-system, "SF Pro Rounded", "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 72px; }
body { margin: 0; background: var(--cream); color: var(--ink); font-family: var(--font); font-weight: 600; line-height: 1.55; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.2; font-weight: 900; letter-spacing: -.01em; }
h2 { font-size: clamp(28px, 4vw, 42px); color: var(--orange); }
p { margin: 0; }
.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }
.center { text-align: center; }

/* ---------- butonlar: Duolingo tarzı "basılabilir" 3B ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; border-radius: 16px; padding: 13px 24px; font: 800 15px/1 var(--font); text-transform: uppercase; letter-spacing: .06em; cursor: pointer; border: 2px solid transparent; transition: transform .08s, box-shadow .08s, filter .15s; user-select: none; text-align: center; }
.btn:active { transform: translateY(4px); box-shadow: none !important; }
.btn:focus-visible, .store:focus-visible, summary:focus-visible { outline: 3px solid var(--yellow); outline-offset: 3px; }
.btn-primary { background: var(--orange); color: #fff; box-shadow: 0 4px 0 var(--orange-dk); }
.btn-primary:hover { filter: brightness(1.06); }
.btn-ghost { background: #fff; color: var(--orange); border-color: var(--line); box-shadow: 0 4px 0 var(--line); }
.btn-ghost:hover { background: #fffaf5; }
.btn-light { background: #fff; color: var(--orange); box-shadow: 0 4px 0 rgba(0,0,0,.18); }
.btn-lg { padding: 17px 28px; font-size: 16px; width: 100%; max-width: 340px; }
.btn-sm { padding: 10px 16px; font-size: 13px; box-shadow: 0 3px 0 var(--line); }

/* ---------- üst çubuk ---------- */
.site-head { position: sticky; top: 0; z-index: 20; background: rgba(251,246,239,.92); backdrop-filter: blur(10px); border-bottom: 2px solid transparent; transition: border-color .2s; }
.site-head.scrolled { border-bottom-color: var(--line); }
.head-row { display: flex; align-items: center; gap: 24px; height: 72px; }
.logo { display: inline-flex; align-items: center; gap: 8px; font-size: 30px; font-weight: 900; color: var(--orange); letter-spacing: -.02em; }
.logo-mark { width: 44px; height: 44px; }
.logo.small { font-size: 22px; } .logo.small .logo-mark { width: 32px; height: 32px; }
.head-nav { display: flex; gap: 22px; margin-left: auto; font-weight: 800; color: var(--muted); font-size: 15px; }
.head-nav a:hover { color: var(--orange); }

/* ---------- hero ---------- */
.hero { padding: 48px 0 72px; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 48px; }
.hero-art { position: relative; aspect-ratio: 1; max-width: 460px; width: 100%; justify-self: center; }
.blob { position: absolute; inset: 8%; background: var(--orange-lt); border-radius: 46% 54% 58% 42% / 48% 42% 58% 52%; animation: morph 12s ease-in-out infinite; }
.hero-koci { position: absolute; inset: 14%; width: 72%; height: 72%; animation: bob 3.2s ease-in-out infinite; filter: drop-shadow(0 18px 18px rgba(176,75,39,.18)); }
.bubble { position: absolute; background: #fff; border: 2px solid var(--line); border-bottom-width: 4px; border-radius: 16px; padding: 8px 14px; font-weight: 800; font-size: 15px; white-space: nowrap; animation: float 4s ease-in-out infinite; }
.b1 { top: 6%; left: 2%; }
.b2 { top: 14%; right: 0; animation-delay: -1s; } .b2 b { color: var(--green); }
.b3 { bottom: 16%; left: 0; animation-delay: -2s; color: var(--orange); }
.b4 { bottom: 6%; right: 6%; animation-delay: -3s; background: var(--green-lt); border-color: #bfe3cf; color: var(--green-dk); }
.hero-copy h1 { font-size: clamp(30px, 4.2vw, 44px); color: var(--navy); }
.hl { color: var(--orange); position: relative; white-space: nowrap; }
.hl::after { content: ""; position: absolute; left: 0; right: 0; bottom: .02em; height: .28em; background: var(--yellow); opacity: .35; border-radius: 6px; z-index: -1; }
.lead { margin: 18px 0 28px; font-size: 19px; color: var(--muted); max-width: 30em; }
.cta-stack { display: flex; flex-direction: column; gap: 14px; }
.fine { margin-top: 16px; font-size: 14px; color: var(--muted); }

/* ---------- beceri şeridi ---------- */
.skills { border-top: 2px solid var(--line); border-bottom: 2px solid var(--line); background: #fff; }
.skills-row { display: flex; justify-content: space-between; gap: 18px; padding-top: 18px; padding-bottom: 18px; overflow-x: auto; scrollbar-width: none; font-weight: 800; color: var(--muted); font-size: 15px; letter-spacing: .04em; text-transform: uppercase; }
.skills-row::-webkit-scrollbar { display: none; }
.skills-row span { white-space: nowrap; }

/* ---------- özellikler ---------- */
.features { padding: 40px 0; }
.feature { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 64px; padding-top: 64px; padding-bottom: 64px; }
.feature.flip .feature-copy { order: 2; }
.feature-copy p { margin-top: 16px; font-size: 18px; color: var(--muted); }
.feature-copy b { color: var(--ink); }
.feature-art { display: flex; justify-content: center; }

.card-ui { width: 100%; max-width: 380px; background: #fff; border: 2px solid var(--line); border-bottom-width: 6px; border-radius: 24px; padding: 22px; box-shadow: 0 18px 40px rgba(60,30,10,.08); }
.ui-label { display: inline-block; font-size: 13px; font-weight: 900; text-transform: uppercase; letter-spacing: .06em; color: var(--orange); background: var(--orange-lt); padding: 5px 10px; border-radius: 999px; }
.ui-q { margin-top: 14px; color: var(--muted); font-weight: 700; }
.ui-sentence { margin: 6px 0 14px; font-size: 22px; font-weight: 900; }
.err { color: var(--red); text-decoration: underline wavy var(--red); text-underline-offset: 5px; }
.ui-opts { display: flex; flex-wrap: wrap; gap: 8px; }
.ui-opts.grid2 { display: grid; grid-template-columns: 1fr 1fr; }
.opt { border: 2px solid var(--line); border-bottom-width: 4px; border-radius: 12px; padding: 8px 14px; font-weight: 800; text-align: center; }
.opt.ok { background: var(--green-lt); border-color: #9fd6b8; color: var(--green-dk); }
.timeline { display: flex; margin-top: 20px; gap: 4px; }
.timeline span { flex: 1; text-align: center; font-size: 12px; font-weight: 800; color: var(--muted); padding-top: 12px; position: relative; }
.timeline span::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 6px; border-radius: 4px; background: var(--line); }
.timeline span.on { color: var(--orange); } .timeline span.on::before { background: var(--orange); }

.streak-big { display: flex; align-items: baseline; gap: 10px; font-size: 40px; }
.streak-big b { color: var(--orange); font-size: 52px; line-height: 1; }
.streak-big small { font-size: 16px; color: var(--muted); font-weight: 800; }
.week { display: flex; gap: 6px; margin: 16px 0 20px; }
.d { flex: 1; aspect-ratio: 1; display: grid; place-items: center; border-radius: 50%; background: var(--sand); color: var(--muted); font-size: 12px; font-weight: 900; }
.d.on { background: var(--orange); color: #fff; }
.d.now { background: #fff; border: 3px solid var(--orange); color: var(--orange); }
.xp-row { display: flex; justify-content: space-between; font-size: 14px; color: var(--muted); }
.xp-row b { color: var(--ink); }
.xp-bar { height: 14px; border-radius: 8px; background: var(--line); margin: 8px 0 18px; overflow: hidden; }
.xp-bar i { display: block; height: 100%; background: var(--yellow); border-radius: 8px; box-shadow: inset 0 -4px 0 rgba(0,0,0,.08); }
.badges { display: flex; gap: 10px; }
.badges span { width: 52px; height: 52px; display: grid; place-items: center; font-size: 26px; background: var(--yellow-lt); border-radius: 14px; border: 2px solid #f1dcae; }
.badges .locked { background: var(--sand); border-color: var(--line); filter: grayscale(1); opacity: .6; }

.chat-ui { display: flex; flex-direction: column; gap: 12px; }
.msg { border-radius: 18px; padding: 12px 14px; font-size: 15px; }
.msg.me { align-self: flex-end; background: var(--orange); color: #fff; border-bottom-right-radius: 6px; max-width: 80%; font-weight: 800; }
.msg.koci { display: flex; gap: 10px; align-items: flex-start; background: var(--cream); border: 2px solid var(--line); border-bottom-left-radius: 6px; }
.msg.koci svg { width: 40px; height: 40px; flex: none; }
.mic-row { display: flex; align-items: center; gap: 12px; border-top: 2px dashed var(--line); padding-top: 12px; }
.mic { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--orange-lt); font-size: 20px; }
.wave { flex: 1; display: flex; align-items: center; justify-content: center; gap: 5px; height: 32px; }
.wave i { flex: 1; max-width: 8px; background: var(--orange); border-radius: 4px; height: 30%; animation: wave 1.1s ease-in-out infinite; }
.wave i:nth-child(2n) { animation-delay: -.3s; } .wave i:nth-child(3n) { animation-delay: -.6s; } .wave i:nth-child(5n) { animation-delay: -.8s; }
.score { color: var(--green); font-size: 20px; }

.vs { display: flex; align-items: center; justify-content: space-between; margin: 16px 0 6px; }
.player { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.av { width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; font-size: 30px; background: var(--sand); border: 3px solid var(--line); }
.pts { font-size: 26px; font-weight: 900; color: var(--orange); line-height: 1; }
.vs-x { font-weight: 900; font-size: 22px; color: #fff; background: var(--navy); padding: 6px 10px; border-radius: 12px; transform: rotate(-6deg); }
.ui-q.center { text-align: center; font-size: 18px; color: var(--ink); font-weight: 900; margin-bottom: 12px; }
.timer { height: 8px; background: var(--line); border-radius: 6px; margin-top: 16px; overflow: hidden; }
.timer i { display: block; height: 100%; background: var(--green); animation: timer 6s linear infinite; }

/* ---------- çocuk dünyası ---------- */
.kids { background: var(--navy); color: #fff; padding: 96px 0; position: relative; overflow: hidden; }
.kids::before { content: ""; position: absolute; width: 520px; height: 520px; border-radius: 50%; background: rgba(229,176,77,.12); right: -140px; top: -160px; }
.kids-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; position: relative; }
.eyebrow { display: inline-block; background: var(--yellow); color: var(--navy); font-weight: 900; font-size: 13px; text-transform: uppercase; letter-spacing: .06em; padding: 6px 12px; border-radius: 999px; margin-bottom: 16px; }
.kids h2 { color: #fff; }
.kids p { margin-top: 16px; font-size: 18px; color: #c9cfdd; }
.ticks { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 10px; font-weight: 800; }
.ticks li { display: flex; gap: 10px; align-items: center; }
.ticks li::before { content: "✓"; width: 26px; height: 26px; flex: none; display: grid; place-items: center; border-radius: 50%; background: var(--green); font-size: 14px; }
.kids-art { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.kid-tile { aspect-ratio: 1; border-radius: 24px; display: flex; flex-direction: column; align-items: center; justify-content: center; font-size: 48px; border-bottom: 6px solid rgba(0,0,0,.18); transition: transform .2s; }
.kid-tile:hover { transform: translateY(-6px) rotate(-3deg); }
.kid-tile small { font-size: 14px; font-weight: 900; margin-top: 4px; color: rgba(31,42,68,.8); }
.t1 { background: #f7c6a8; } .t2 { background: #bfe3cf; } .t3 { background: #f6dd9c; }
.t4 { background: #f3b9b0; } .t5 { background: #cfd7f2; } .t6 { background: #fbf1e3; }

/* ---------- adımlar ---------- */
.steps { padding: 96px 0 72px; }
.steps-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.step { background: #fff; border: 2px solid var(--line); border-bottom-width: 6px; border-radius: 24px; padding: 28px 24px; text-align: center; }
.num { display: inline-grid; place-items: center; width: 52px; height: 52px; border-radius: 50%; background: var(--orange); color: #fff; font-weight: 900; font-size: 24px; box-shadow: 0 4px 0 var(--orange-dk); margin-bottom: 14px; }
.step h3 { font-size: 20px; }
.step p { margin-top: 6px; color: var(--muted); }

/* ---------- indir ---------- */
.download { padding: 72px 0 96px; }
.dl-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: center; }
.dl-copy p { margin-top: 16px; font-size: 18px; color: var(--muted); }
.dl-copy .btn { margin-top: 22px; }
.stores { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.store { display: inline-flex; align-items: center; gap: 10px; background: var(--navy); color: #fff; border-radius: 14px; padding: 10px 18px 10px 14px; box-shadow: 0 4px 0 #0f1526; transition: transform .08s; }
.store:active { transform: translateY(4px); box-shadow: none; }
.store svg { width: 26px; height: 26px; }
.store span { display: flex; flex-direction: column; font-weight: 900; font-size: 18px; line-height: 1.1; }
.store small { font-size: 11px; font-weight: 700; opacity: .8; }

.phone-mock { justify-self: center; width: 280px; height: 560px; background: var(--cream); border: 10px solid #2a1f1a; border-radius: 44px; padding: 44px 18px 18px; display: flex; flex-direction: column; gap: 10px; box-shadow: 0 30px 60px rgba(60,30,10,.25); transform: rotate(-4deg); }
.pm-top { display: flex; justify-content: space-between; font-weight: 900; font-size: 15px; }
.pm-streak { background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 2px 10px; font-size: 13px; }
.pm-bar { height: 10px; background: var(--line); border-radius: 6px; overflow: hidden; }
.pm-bar i { display: block; width: 60%; height: 100%; background: var(--orange); border-radius: 6px; }
.pm-koci { width: 96px; height: 96px; align-self: center; margin: 4px 0; }
.pm-q { color: var(--muted); font-size: 13px; font-weight: 800; }
.pm-s { font-weight: 900; font-size: 18px; margin-bottom: 4px; }
.pm-opt { background: #fff; border: 2px solid var(--line); border-bottom-width: 4px; border-radius: 12px; padding: 9px 12px; font-weight: 800; font-size: 14px; }
.pm-opt.sel { border-color: var(--orange); background: var(--orange-lt); color: var(--orange-dk); }
.pm-btn { margin-top: auto; background: var(--orange); color: #fff; border-radius: 14px; padding: 12px; text-align: center; font-weight: 900; text-transform: uppercase; font-size: 13px; letter-spacing: .06em; box-shadow: 0 4px 0 var(--orange-dk); }

/* ---------- SSS ---------- */
.faq { padding: 40px 0 96px; }
.faq h2 { margin-bottom: 32px; }
details { background: #fff; border: 2px solid var(--line); border-bottom-width: 4px; border-radius: 18px; margin-bottom: 12px; overflow: hidden; }
summary { cursor: pointer; list-style: none; padding: 18px 56px 18px 22px; font-weight: 900; font-size: 18px; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: var(--orange-lt); color: var(--orange); font-size: 20px; transition: transform .2s; }
details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
details p { padding: 0 22px 20px; color: var(--muted); font-size: 16px; }

/* ---------- son CTA ---------- */
.final { background: var(--orange); color: #fff; padding: 80px 0; position: relative; overflow: hidden; }
.final::before, .final::after { content: ""; position: absolute; border-radius: 50%; background: rgba(255,255,255,.08); }
.final::before { width: 360px; height: 360px; left: -120px; bottom: -180px; }
.final::after { width: 240px; height: 240px; right: -60px; top: -100px; }
.final-inner { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 24px; position: relative; }
.final h2 { color: #fff; max-width: 16em; }
.final-koci { width: 140px; height: 140px; animation: bob 3.2s ease-in-out infinite; }

/* ---------- alt bilgi ---------- */
.site-foot { background: #2a1f1a; color: #d9cbbd; padding: 64px 0 32px; }
.foot-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.foot-grid h4 { color: #fff; font-size: 16px; margin-bottom: 12px; }
.foot-grid a { display: block; padding: 4px 0; font-size: 15px; }
.foot-grid a:hover { color: #fff; }
.foot-bottom { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; border-top: 1px solid #45362e; margin-top: 40px; padding-top: 24px; font-size: 14px; }

/* ---------- hareket ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes float { 0%, 100% { transform: translateY(0) rotate(-2deg); } 50% { transform: translateY(-8px) rotate(2deg); } }
@keyframes morph { 0%, 100% { border-radius: 46% 54% 58% 42% / 48% 42% 58% 52%; } 50% { border-radius: 58% 42% 44% 56% / 56% 52% 48% 44%; } }
@keyframes wave { 0%, 100% { height: 25%; } 50% { height: 100%; } }
@keyframes timer { from { width: 100%; } to { width: 0; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------- mobil ---------- */
@media (max-width: 860px) {
  .head-nav { display: none; }
  .head-row { justify-content: space-between; height: 64px; }
  .hero { padding: 16px 0 48px; }
  .hero-grid, .feature, .kids-grid, .dl-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-copy { text-align: center; }
  .hero-copy .lead { margin-left: auto; margin-right: auto; }
  .cta-stack { align-items: center; }
  .hero-art { max-width: 340px; }
  .feature { padding-top: 40px; padding-bottom: 40px; text-align: center; }
  .feature.flip .feature-copy { order: 0; }
  .kids { padding: 64px 0; }
  .kids-copy { text-align: center; }
  .ticks { justify-content: center; text-align: left; }
  .steps { padding: 64px 0 40px; }
  .steps-row { grid-template-columns: 1fr; gap: 12px; margin-top: 28px; }
  .step { display: grid; grid-template-columns: auto 1fr; column-gap: 16px; text-align: left; padding: 18px; align-items: center; }
  .step .num { grid-row: span 2; margin: 0; }
  .step p { margin: 0; }
  .dl-copy { text-align: center; }
  .stores { justify-content: center; }
  .phone-mock { order: 2; transform: none; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 420px) {
  .wrap { padding: 0 16px; }
  .logo { font-size: 26px; } .logo-mark { width: 38px; height: 38px; }
  .bubble { font-size: 13px; padding: 6px 10px; }
  .card-ui { padding: 18px; }
  .ui-sentence { font-size: 19px; }
  .kids-art { gap: 10px; } .kid-tile { font-size: 36px; border-radius: 18px; }
}