/* Plankare Mimarlık — site styles.
   Colour tokens first. Dark tokens apply when the device prefers dark, unless
   the visitor picked a theme with the header switch (html[data-theme]).
   All motion sits behind prefers-reduced-motion: no-preference. */

@font-face{font-family:Inter;src:url("assets/fonts/inter-var.woff2") format("woff2");font-weight:400 600;font-style:normal;font-display:swap}
@font-face{font-family:Fraunces;src:url("assets/fonts/fraunces-var.woff2") format("woff2");font-weight:400 600;font-style:normal;font-display:swap}

:root{
  color-scheme:light;
  --ink:#1f2a2e; --muted:#5d6a6e; --line:#d9dedf; --bg:#ffffff; --paper:#f4f2ee; --card:#ffffff;
  --accent:#2f6f6a; --accent-ink:#2f6f6a; --accent-dark:#255a56; --accent-soft:#e3eeec;
  --wa:#1f8f4e; --wa-hover:#18763f;
  --header-bg:rgba(255,255,255,.97); --header-shadow:rgba(31,42,46,.4);
  --sheet:#ffffff; --sheet-filter:none;
  --shadow:0 18px 40px -24px rgba(31,42,46,.35); --lift:0 16px 32px -22px rgba(31,42,46,.38);
  --contact-bg:#2f6f6a; --contact-text:#d6e6e3;
  --chip-bg:rgba(255,255,255,.94);
  --max:1120px; --r:14px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --ink:#e6ebe9; --muted:#a1aeac; --line:#2c393c; --bg:#12191b; --paper:#182124; --card:#1c2629;
    --accent:#3a837b; --accent-ink:#7cc0b6; --accent-dark:#255a56; --accent-soft:#1b302e;
    --header-bg:rgba(18,25,27,.96); --header-shadow:rgba(0,0,0,.7);
    --sheet:#ececec; --sheet-filter:brightness(.925);
    --shadow:0 18px 40px -24px rgba(0,0,0,.8); --lift:0 16px 32px -22px rgba(0,0,0,.85);
    --contact-bg:#24534f; --contact-text:#cfe2de;
    --chip-bg:rgba(236,236,236,.94);
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --ink:#e6ebe9; --muted:#a1aeac; --line:#2c393c; --bg:#12191b; --paper:#182124; --card:#1c2629;
  --accent:#3a837b; --accent-ink:#7cc0b6; --accent-dark:#255a56; --accent-soft:#1b302e;
  --header-bg:rgba(18,25,27,.96); --header-shadow:rgba(0,0,0,.7);
  --sheet:#ececec; --sheet-filter:brightness(.925);
  --shadow:0 18px 40px -24px rgba(0,0,0,.8); --lift:0 16px 32px -22px rgba(0,0,0,.85);
  --contact-bg:#24534f; --contact-text:#cfe2de;
  --chip-bg:rgba(236,236,236,.94);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px;scrollbar-gutter:stable}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.6 Inter,system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent-ink)}
figure{margin:0}
h1,h2,h3{font-family:Fraunces,Georgia,serif;font-weight:600;line-height:1.15;margin:0;text-wrap:balance}
h1{font-size:clamp(2.3rem,5.2vw,3.6rem);letter-spacing:-.5px}
h2{font-size:clamp(1.8rem,3.6vw,2.5rem);margin-bottom:.6em}
h3{font-size:1.3rem;margin-bottom:.35em}
p{margin:0 0 1em;text-wrap:pretty}
::selection{background:var(--accent-soft);color:var(--ink)}
:focus-visible{outline:2px solid var(--accent-ink);outline-offset:3px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.wrap-narrow{max-width:820px}
.muted{color:var(--muted)}
.eyebrow{font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-ink);font-weight:600;margin-bottom:.8em}
section{padding:72px 0}
section.alt{background:var(--paper)}
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.sprite{position:absolute;width:0;height:0;overflow:hidden}
.skip{position:absolute;left:12px;top:-64px;z-index:50;background:var(--ink);color:var(--bg);padding:.6em 1em;border-radius:8px;font-weight:600;text-decoration:none;transition:top .2s}
.skip:focus{top:12px}

/* butonlar */
.btn{display:inline-flex;align-items:center;gap:.55em;padding:.9em 1.4em;border-radius:999px;font-weight:600;text-decoration:none;font-size:1rem;transition:background-color .15s,color .15s,transform .15s}
.btn:active{transform:translateY(1px)}
.btn-wa{background:var(--wa);color:#fff}
.btn-wa:hover{background:var(--wa-hover)}
.btn-ghost{background:transparent;color:var(--accent-ink);border:1.5px solid var(--accent-ink)}
.btn-ghost:hover{background:var(--accent-soft)}
.btn svg{width:1.25em;height:1.25em;flex:none;fill:currentColor}

/* üst bar */
.site-header{position:sticky;top:0;z-index:20;background:var(--header-bg);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:76px}
.bar .logo{display:block;border-radius:6px}
.bar .logo svg{display:block;height:56px;width:192px}
.bar nav{display:flex;gap:26px;align-items:center}
.bar nav a:not(.btn){color:var(--ink);text-decoration:none;font-size:.95rem;font-weight:500;transition:color .15s}
.bar nav a:not(.btn):hover{color:var(--accent-ink)}
.bar .btn{padding:.6em 1.1em;font-size:.92rem}
.theme-wrap{position:relative;display:inline-flex}
.theme-note{position:absolute;top:calc(100% + 10px);right:0;white-space:nowrap;background:var(--ink);color:var(--bg);font-size:.8rem;font-weight:600;padding:.35em .75em;border-radius:8px;opacity:0;pointer-events:none;transition:opacity .2s}
.theme-note.show{opacity:1}
.theme-btn{display:inline-grid;place-items:center;width:40px;height:40px;margin:0 -8px 0 -6px;padding:0;border:0;border-radius:50%;background:transparent;color:var(--ink);cursor:pointer;transition:background-color .15s,color .15s}
.theme-btn[hidden]{display:none}
.theme-btn:hover{background:var(--accent-soft);color:var(--accent-ink)}
.theme-btn svg{width:21px;height:21px;grid-area:1/1}
.theme-btn .i-light,.theme-btn .i-dark{display:none}
.theme-btn[data-mode="light"] .i-system,.theme-btn[data-mode="dark"] .i-system{display:none}
.theme-btn[data-mode="light"] .i-light,.theme-btn[data-mode="dark"] .i-dark{display:block}

/* logo: brand green and ink in light, lifted green and light ink in dark */
.lg-mark{fill:var(--accent-ink)}
.lg-arc{stroke:var(--accent-ink)}
.lg-word{fill:var(--ink)}

/* hero */
.hero{padding:56px 0 64px}
.hero-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:48px;align-items:center}
.hero .lead{font-size:1.2rem;color:var(--muted);margin:1em 0 1.6em;max-width:30em}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px}
.hero .facts{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:26px;font-size:.92rem;color:var(--muted)}
.hero .facts b{color:var(--ink)}
.plan-card{background:var(--sheet);border:1px solid var(--line);border-radius:var(--r);padding:14px;box-shadow:var(--shadow)}
.cap{font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-ink);font-weight:600;margin-top:10px}
.plan-card img,.figure img{filter:var(--sheet-filter)}
.zoom{display:block;position:relative;cursor:zoom-in}
.zoom-ic{position:absolute;left:10px;top:10px;width:32px;height:32px;padding:7px;border-radius:50%;background:rgba(255,255,255,.94);color:#1f2a2e;box-shadow:0 1px 4px rgba(0,0,0,.18);opacity:0;transition:opacity .2s}
.zoom:hover .zoom-ic,.zoom:focus-visible .zoom-ic{opacity:1}
@media (hover:none),(max-width:900px){.zoom-ic{opacity:1}}

/* neden */
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:8px}
.why div{border-left:3px solid var(--accent);padding-left:16px}
.why p{color:var(--muted);font-size:.97rem;margin:0}
.uk{margin-top:36px;background:var(--accent-soft);border-left:4px solid var(--accent);border-radius:0 var(--r) var(--r) 0;padding:20px 24px}
.uk p{margin:0}

/* paketler */
.pkgs{display:grid;grid-template-columns:1fr;gap:24px}
.pkg{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px;display:flex;flex-direction:column}
.no{font-family:Fraunces,serif;color:var(--accent-ink);font-size:1rem}
.tag{align-self:flex-start;margin-top:auto;background:var(--accent-soft);color:var(--accent-ink);font-weight:600;font-size:.85rem;padding:.35em .9em;border-radius:999px}
.tag-gap{margin-top:18px}
.pkg p{color:var(--muted);font-size:.97rem}
.two-ways{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:4px}
.two-ways>div{border-left:3px solid var(--accent);padding:2px 0 2px 16px;display:flex;flex-direction:column}
.two-ways p{margin:.3em 0 1em}
.figure{background:var(--sheet);border-radius:10px;overflow:hidden;margin:6px 0 18px}
.note{background:var(--paper);border-left:3px solid var(--accent);padding:14px 18px;border-radius:0 10px 10px 0;font-size:.95rem}
.note ul{margin:.5em 0 0;padding-left:1.2em}

/* 03: boş / tefrişli */
.swap{margin:6px 0 18px}
.swap .figure{margin:0}
.swap-frame{position:relative}
.swap-bos{position:absolute;inset:0;opacity:0;pointer-events:none}
.swap-ctl{display:none}
@supports selector(:has(*)){
  .swap-ctl{display:inline-flex;gap:2px;margin:0 0 12px;padding:3px;min-inline-size:0;border:1px solid var(--line);border-radius:999px;background:var(--paper)}
  .swap:has(#tefris-bos:checked) .swap-bos{opacity:1;pointer-events:auto}
}
.swap-ctl input{position:absolute;opacity:0;width:1px;height:1px;margin:0}
.swap-ctl label{padding:.6em 1.2em;border-radius:999px;font-weight:600;font-size:.88rem;line-height:1.4;color:var(--muted);cursor:pointer;transition:background-color .2s,color .2s,box-shadow .2s}
.swap-ctl label:hover{color:var(--ink)}
.swap-ctl input:checked+label{background:var(--card);color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.14)}
.swap-ctl input:focus-visible+label{outline:2px solid var(--accent-ink);outline-offset:2px}

/* 04: mevcut / öneri / 3D */
.ba{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;margin:6px 0 18px;align-items:start}
.ba .figure{margin:0}
.ba img.r{border-radius:10px;width:100%;height:auto}
.compare{display:contents}
/* main.js turns the two plans into one drag-to-compare frame */
.ba.is-live{grid-template-columns:1fr 1fr}
.compare.is-live{display:grid;position:relative;--pos:50%;touch-action:pan-y;-webkit-user-select:none;user-select:none;cursor:ew-resize}
.compare.is-live>figure{grid-area:1/1;position:relative}
.compare.is-live .cmp-a{z-index:1;clip-path:inset(0 calc(100% - var(--pos)) 0 0)}
.compare.is-live figure .cap{position:absolute;top:12px;margin:0;padding:.3em .75em;border-radius:999px;background:var(--chip-bg);color:#2f6f6a;box-shadow:0 1px 4px rgba(0,0,0,.12)}
.compare.is-live .cmp-a .cap{left:12px}
.compare.is-live .cmp-b .cap{right:12px}
.cmp-handle{grid-area:1/1;z-index:2;position:relative;left:var(--pos);justify-self:start;width:2px;margin-left:-1px;background:#2f6f6a;pointer-events:none}
.cmp-handle::after{content:"‹ ›";position:absolute;top:50%;left:50%;display:grid;place-items:center;width:42px;height:42px;transform:translate(-50%,-50%);border-radius:50%;background:#2f6f6a;color:#fff;font-size:1.05rem;font-weight:600;letter-spacing:.12em;box-shadow:0 4px 14px rgba(0,0,0,.25);transition:transform .2s var(--ease)}
.compare.is-dragging .cmp-handle::after{transform:translate(-50%,-50%) scale(1.08)}
.compare:has(.cmp-range:focus-visible) .cmp-handle::after{outline:3px solid #1f2a2e;outline-offset:3px}
.cmp-hint{grid-row:2;grid-column:1}

/* adımlar */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.steps div{background:var(--card);border-radius:var(--r);padding:22px}
.steps b{display:block;font-family:Fraunces,serif;font-size:2rem;color:var(--accent-ink);line-height:1;margin-bottom:10px}
.need{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:36px}
.need .note{align-self:start}
ul.check{list-style:none;padding:0;margin:0}
ul.check li{padding-left:28px;position:relative;margin-bottom:.5em}
ul.check li::before{content:"";position:absolute;left:0;top:.35em;width:14px;height:14px;border:2px solid var(--accent-ink);border-radius:3px}

/* fiyat */
.price-notes{display:grid;grid-template-columns:1.2fr 1fr;gap:28px}
.fine{margin-top:14px;font-size:.95rem}
.price-req{background:var(--paper);border-radius:var(--r);padding:26px;display:flex;flex-direction:column;align-items:flex-start;align-self:start}
.price-req .btn{width:100%;justify-content:center}
.price-req .btn+.btn{margin-top:10px}
.mail-line{font-size:.9rem;margin:14px 0 0}
.pack{margin-top:18px;background:var(--accent-soft);border-left:4px solid var(--accent);border-radius:0 var(--r) var(--r) 0;padding:20px 24px}
.pack p{margin:0}

/* sss */
details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:0 20px;margin-bottom:10px;transition:border-color .2s}
details[open]{border-color:color-mix(in srgb,var(--accent) 45%,var(--line))}
summary{cursor:pointer;font-weight:600;padding:16px 0;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;border-radius:6px}
summary::-webkit-details-marker{display:none}
.pm{position:relative;flex:none;width:14px;height:14px}
.pm::before,.pm::after{content:"";position:absolute;background:var(--accent-ink);border-radius:1px}
.pm::before{left:0;right:0;top:6px;height:2px}
.pm::after{top:0;bottom:0;left:6px;width:2px;transition:transform .3s var(--ease)}
details[open] .pm::after{transform:scaleY(0)}
details p{color:var(--muted);margin:0 0 16px}

/* biz kimiz */
.about{display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:center}
.about .values{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.about .values div{background:var(--paper);border-radius:12px;padding:16px 18px}
.about .values b{display:block;font-family:Fraunces,serif;font-size:1.15rem}

/* iletişim */
.contact-sec{padding-top:24px}
.contact{background:var(--contact-bg);color:#fff;border-radius:22px;padding:44px;display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center}
.contact h2{color:#fff}
.contact p{color:var(--contact-text)}
.contact .num{display:block;width:max-content;font-size:1.6rem;font-weight:600;color:#fff;text-decoration:none;margin:6px 0 2px}
.contact .mail{display:block;width:max-content;color:#fff;padding-block:.3em;margin:0 0 12px}
.contact .btn-wa{background:#fff;color:var(--accent-dark)}
.contact .btn-wa:hover{background:#eef6f4}
.contact :focus-visible{outline-color:#fff}
.qr{background:#fff;border-radius:16px;padding:14px;justify-self:end;text-align:center;color:#5d6a6e;font-size:.8rem}
.qr img{width:170px;height:170px}
.qr-note{margin-top:8px}
.ref{margin-top:24px;background:var(--accent-soft);border-left:4px solid var(--accent);border-radius:0 var(--r) var(--r) 0;padding:18px 22px}

footer{padding:36px 0 96px;color:var(--muted);font-size:.88rem;border-top:1px solid var(--line)}
footer .row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px 32px;align-items:center}
.foot-meta{display:flex;flex-direction:column;gap:4px;text-align:right}
.footer-logo{display:block;height:44px;width:150px}

/* sabit WhatsApp butonu (telefon) */
.wa-float{position:fixed;right:16px;bottom:16px;z-index:30;display:none;width:58px;height:58px;border-radius:50%;background:var(--wa);color:#fff;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(0,0,0,.25)}
.wa-float svg{width:30px;height:30px;fill:currentColor}

@media (max-width:900px){
  section{padding:56px 0}
  .bar nav a:not(.btn){display:none}
  .bar .btn-wa{display:none}
  .bar nav{gap:14px}
  .hero-grid,.about,.contact,.price-notes,.need{grid-template-columns:1fr}
  .hero{padding:32px 0 48px}
  .hero-grid{gap:32px}
  .why{grid-template-columns:1fr 1fr}
  .ba{grid-template-columns:1fr 1fr}
  .ba .three{grid-column:1/-1}
  .ba.is-live .three{grid-column:auto}
  .steps{grid-template-columns:1fr 1fr}
  .contact{padding:30px 24px}
  .qr{display:none}
  .wa-float{display:flex}
}
@media (max-width:560px){
  .two-ways{grid-template-columns:1fr}
  body{font-size:16px}
  .bar .logo svg{height:40px;width:137px}
  .why,.steps,.about .values{grid-template-columns:1fr}
  .ba,.ba.is-live{grid-template-columns:1fr}
  .hero .ctas .btn{flex:1 1 100%;justify-content:center}
  .contact .btn-wa{width:100%;justify-content:center}
  .pkg{padding:20px 18px}
  .foot-meta{text-align:left}
}

/* ---- hareket ---- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  /* menu clicks jump here, so the landing heading fades from brand green (colour only, no movement) */
  section:target h2{animation:arrive 1.8s ease-out both}
}
@keyframes arrive{from{color:var(--accent-ink)}}
@media (prefers-reduced-motion:no-preference){
  /* logo: the dashed door arc draws itself in */
  .lg-draw{animation:draw 1.1s var(--ease) .35s both}

  /* hero: copy and plan settle in on load */
  .hero-copy>*{animation:rise .7s var(--ease) both}
  .hero-copy>:nth-child(2){animation-delay:.06s}
  .hero-copy>:nth-child(3){animation-delay:.12s}
  .hero-copy>:nth-child(4){animation-delay:.18s}
  .hero-copy>:nth-child(5){animation-delay:.24s}
  .hero-plan{animation:rise-plan .6s var(--ease) both}

  .wa-float{animation:pop .45s var(--ease) .9s both}

  /* 03 crossfade */
  .swap-bos{transition:opacity .45s var(--ease)}

  /* small cards lift on hover (translate, so scroll reveals keep transform) */
  @media (hover:hover){
    .steps>div,.about .values div{transition:translate .25s var(--ease),box-shadow .25s var(--ease)}
    .steps>div:hover,.about .values div:hover{translate:0 -3px;box-shadow:var(--lift)}
    .plan-card{transition:box-shadow .3s var(--ease),translate .3s var(--ease)}
    .plan-card:hover{translate:0 -2px}
  }

  /* header gains its edge as the page scrolls */
  @supports (animation-timeline:scroll()){
    .site-header{animation:header-edge linear both;animation-timeline:scroll(root);animation-range:0 140px}
  }

  /* the package cards and the contact block rise into view */
  @supports (animation-timeline:view()){
    .pkg,.contact{animation:reveal linear both;animation-timeline:view();animation-range:entry 0 entry 140px}
  }

  /* preview window: fade and settle in, fade out */
  .lightbox,.lightbox::backdrop{transition:opacity .25s var(--ease),overlay .25s allow-discrete,display .25s allow-discrete;opacity:0}
  .lightbox[open],.lightbox[open]::backdrop{opacity:1}
  .lb-img{transition:transform .3s var(--ease)}
  @starting-style{
    .lightbox[open],.lightbox[open]::backdrop{opacity:0}
    .lightbox[open] .lb-img{transform:scale(.96)}
  }

  /* FAQ answers open smoothly where the browser can animate to auto height */
  @supports (interpolate-size:allow-keywords){
    :root{interpolate-size:allow-keywords}
    details::details-content{height:0;overflow:clip;transition:height .32s var(--ease),content-visibility .32s allow-discrete}
    details[open]::details-content{height:auto}
  }
}
@keyframes draw{from{stroke-dashoffset:1}}
@keyframes rise{from{opacity:0;transform:translateY(14px)}}
@keyframes rise-plan{from{opacity:0;transform:translateY(18px) scale(.985)}}
@keyframes pop{from{opacity:0;transform:scale(.6)}}
@keyframes reveal{from{opacity:0;transform:translateY(16px)}}
@keyframes header-edge{
  from{border-bottom-color:transparent;box-shadow:0 0 0 transparent}
  to{border-bottom-color:var(--line);box-shadow:0 10px 26px -20px var(--header-shadow)}
}

/* görsel önizleme (built by main.js) */
html:has(.lightbox[open]){overflow:hidden}
.lightbox{position:fixed;inset:0;width:100%;height:100%;max-width:none;max-height:none;margin:0;padding:0;border:0;background:transparent;color:#fff;overflow:hidden}
.lightbox[open]{display:grid;grid-template-rows:minmax(0,1fr) auto}
.lightbox::backdrop{background:rgba(9,13,14,.93)}
.lb-stage{display:grid;min-height:0;overflow:hidden;padding:64px 16px 8px}
.lb-img{margin:auto;max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;background:#fff;border-radius:10px;box-shadow:0 30px 80px -30px rgba(0,0,0,.8);cursor:zoom-in}
.lb-stage.is-zoomed{overflow:auto;padding:0;-webkit-overflow-scrolling:touch}
.lb-stage.is-zoomed .lb-img{max-width:none;max-height:none;width:min(var(--nat,1900px),250vw);border-radius:0;cursor:zoom-out}
.lb-cap{margin:0;padding:12px 64px 20px;text-align:center;font-size:.92rem;color:#e6ecea}
.lb-hint{display:block;margin-top:2px;font-size:.8rem;color:#a7b6b3}
.lb-close{position:absolute;top:12px;right:12px;z-index:1;display:grid;place-items:center;width:44px;height:44px;padding:0;border:0;border-radius:50%;background:rgba(255,255,255,.14);color:#fff;cursor:pointer;transition:background-color .15s}
.lb-close:hover{background:rgba(255,255,255,.26)}
.lb-close svg{width:22px;height:22px}
.lightbox :focus-visible{outline-color:#fff}

/* 404 */
.notfound{min-height:80vh;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding-top:48px;padding-bottom:48px}
.notfound p{margin:1em 0 1.6em}