/* Design system: ../design.md — arduvaz + sinyal turuncu (+ stok yeşili), Outfit / Work Sans / JetBrains Mono.
   Yapı: WEBSITE_BUILD_STANDARD.md — scroll-scrub hero (30 kare × 12vh = 360vh). */
:root {
  --s950: #0B1120;
  --s900: #111827;
  --s700: #334155;
  --s600: #475569;
  --s500: #64748B;
  --fog: #F8FAFC;
  --card: #FFFFFF;
  --ink: #0F172A;
  --orange: #F26B1D;
  --orange-d: #C9520F;
  --green: #10B981;
  --txt: #E2E8F0;
  --txt2: #94A3B8;
  --line-l: #E2E8F0;
  --ease: cubic-bezier(.22, .8, .24, 1);
  --pad-x: clamp(1rem, 5vw, 4.5rem);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
section[id] { scroll-margin-top: 64px; }
body { background: var(--s950); color: var(--txt); font-family: 'Work Sans', system-ui, sans-serif; font-size: 1.0625rem; line-height: 1.6; overflow-x: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: 'Outfit', system-ui, sans-serif; font-weight: 700; line-height: 1.04; letter-spacing: -.025em; }
.hl { color: var(--orange); }
:focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 0; z-index: 100; background: var(--orange); color: var(--s950); padding: .6rem 1rem; }
.skip:focus { left: 1rem; top: 1rem; }

.mono-tag { display: inline-flex; align-items: center; gap: .6rem; font-family: 'JetBrains Mono', monospace; font-size: .76rem; letter-spacing: .14em; text-transform: uppercase; color: var(--orange); }
.mono-tag::before { content: "//"; color: var(--s500); }
.mono-tag.dark { color: var(--orange-d); }
.mono-tag:has(.dot)::before { content: none; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(16, 185, 129, .2); display: inline-block; }
.grid-tex { position: absolute; inset: 0; pointer-events: none; opacity: .06;
  background-image: linear-gradient(var(--txt2) 1px, transparent 1px), linear-gradient(90deg, var(--txt2) 1px, transparent 1px); background-size: 32px 32px;
  mask-image: radial-gradient(ellipse at 30% 40%, #000 20%, transparent 75%); -webkit-mask-image: radial-gradient(ellipse at 30% 40%, #000 20%, transparent 75%); }

/* butonlar */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; min-height: 50px; padding: .8rem 1.6rem; border: 0; border-radius: 8px; cursor: pointer;
  font: 600 1rem/1 'Outfit', sans-serif; letter-spacing: .01em; transition: transform .2s var(--ease), background .2s, box-shadow .2s; white-space: nowrap; }
.btn-sm { min-height: 42px; padding: .55rem 1.1rem; font-size: .95rem; }
.btn-orange { background: var(--orange); color: var(--s950); box-shadow: 0 6px 22px rgba(242, 107, 29, .28); }
.btn-orange:hover { background: #FF7A2E; transform: translateY(-2px); }
.btn-line { background: transparent; color: var(--txt); box-shadow: inset 0 0 0 1px var(--s700); }
.btn-line:hover { box-shadow: inset 0 0 0 1px var(--orange); transform: translateY(-2px); }

/* header */
#site-header { position: fixed; inset: 0 0 auto 0; z-index: 50; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem var(--pad-x); transition: background .3s, padding .3s, box-shadow .3s; }
#site-header.scrolled { background: rgba(11, 17, 32, .86); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); padding-top: .65rem; padding-bottom: .65rem; box-shadow: 0 1px 0 rgba(51, 65, 85, .7); }
.brand { display: inline-flex; align-items: center; gap: .75rem; }
.brand img { width: clamp(160px, 16vw, 220px); height: auto; }
footer img { width: 180px; }
.logo { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 10px; background: var(--orange); color: var(--s950); font: 800 1rem/1 'Outfit', sans-serif; letter-spacing: -.02em; position: relative; }
.logo::after { content: ""; position: absolute; inset: 5px; border: 1.5px dashed rgba(11, 17, 32, .45); border-radius: 6px; }
.brand-txt { display: flex; flex-direction: column; font: 600 1.05rem/1.1 'Outfit', sans-serif; }
.brand-txt b { color: var(--orange); }
.brand-txt small { font: 500 .62rem/1.4 'JetBrains Mono', monospace; letter-spacing: .12em; text-transform: uppercase; color: var(--txt2); }
nav { display: flex; align-items: center; gap: clamp(1rem, 2vw, 1.9rem); }
.navlink { font-weight: 500; font-size: .95rem; color: #CBD5E1; position: relative; padding: .4rem 0; }
.navlink::after { content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 2px; background: var(--orange); transform: scaleX(0); transform-origin: left; transition: transform .25s var(--ease); }
.navlink:hover { color: #fff; }
.navlink:hover::after { transform: scaleX(1); }
@media (max-width: 960px) { .navlink { display: none; } }

/* hero */
#hero-section { position: relative; height: 360vh; /* 30 kare × 12vh (standart) */ }
.hero-sticky { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; background: var(--s950); }
#hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.hero-shade { position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(90deg, rgba(11, 17, 32, .95) 0%, rgba(11, 17, 32, .7) 34%, rgba(11, 17, 32, 0) 58%), linear-gradient(0deg, rgba(11, 17, 32, .7) 0%, rgba(11, 17, 32, 0) 26%); }
#hero-overlay { position: absolute; z-index: 3; left: var(--pad-x); right: var(--pad-x); top: 50%; transform: translateY(-46%); max-width: 640px; will-change: opacity, transform; }
#hero-overlay { max-width: min(640px, 38vw); }
#hero-overlay h1 { font-size: clamp(2.6rem, 4.3vw, 4.4rem); margin: 1.2rem 0 1.2rem; }
@media (max-width: 1100px) { #hero-overlay { max-width: 640px; } #hero-overlay h1 { font-size: clamp(2.6rem, 7vw, 4.4rem); } }
.lead { color: #CBD5E1; font-size: clamp(1rem, 1.35vw, 1.15rem); max-width: 31em; }
.finder { margin-top: 2rem; display: flex; align-items: center; gap: .5rem; background: rgba(17, 24, 39, .85); border: 1px solid var(--s700); border-radius: 12px; padding: .4rem .4rem .4rem 1rem; backdrop-filter: blur(10px); max-width: 560px; transition: border-color .2s, box-shadow .2s; }
.finder:focus-within { border-color: var(--orange); box-shadow: 0 0 0 4px rgba(242, 107, 29, .18); }
.finder svg { width: 22px; height: 22px; color: var(--txt2); flex: none; }
.finder input { flex: 1; min-width: 0; min-height: 46px; background: none; border: 0; color: #fff; font: inherit; font-size: 1rem; }
.finder input:focus { outline: none; }
.finder input::placeholder { color: #8391A7; }
.finder-note { margin-top: .7rem; font-size: .85rem; color: var(--txt2); }
.legend { position: absolute; z-index: 2; right: var(--pad-x); top: 50%; transform: translateY(-50%); list-style: none; display: grid; gap: .55rem; }
.legend li { display: grid; grid-template-columns: 34px 1fr auto; gap: .8rem; align-items: center; min-width: 250px; padding: .55rem .85rem; border-radius: 8px;
  background: rgba(11, 17, 32, .55); border: 1px solid rgba(51, 65, 85, .6); backdrop-filter: blur(6px); font: 500 .95rem 'Outfit', sans-serif; color: #94A3B8;
  opacity: .35; transform: translateX(12px); transition: opacity .35s var(--ease), transform .35s var(--ease), border-color .35s, color .35s; }
.legend li b { font: 500 .75rem 'JetBrains Mono', monospace; color: var(--s500); }
.legend li code { font: 500 .68rem 'JetBrains Mono', monospace; color: var(--s500); letter-spacing: .06em; }
.legend li.on { opacity: 1; transform: none; color: #fff; border-color: rgba(242, 107, 29, .6); }
.legend li.on b { color: var(--orange); }
.legend li.on code { color: var(--green); }
.hero-meta { position: absolute; z-index: 2; right: var(--pad-x); bottom: clamp(1.5rem, 6vh, 3rem); display: flex; align-items: baseline; gap: .4rem; flex-wrap: wrap; justify-content: flex-end; width: 250px; font: 500 .75rem 'JetBrains Mono', monospace; letter-spacing: .12em; text-transform: uppercase; color: var(--txt2); }
.hero-meta b { font: 700 2.2rem/1 'Outfit', sans-serif; color: #fff; letter-spacing: -.02em; margin-left: auto; font-variant-numeric: tabular-nums; }
.hm-bar { flex-basis: 100%; height: 3px; background: rgba(148, 163, 184, .2); border-radius: 3px; overflow: hidden; margin-top: .5rem; }
.hm-bar i { display: block; height: 100%; width: 0; background: var(--orange); }
#scroll-hint { position: absolute; z-index: 2; left: 50%; bottom: 1.6rem; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: .5rem; font: 500 .68rem 'JetBrains Mono', monospace; letter-spacing: .24em; text-transform: uppercase; color: var(--txt2); }
#scroll-hint .line { width: 1px; height: 40px; background: linear-gradient(var(--orange), transparent); animation: drip 1.8s ease-in-out infinite; transform-origin: top; }
@keyframes drip { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); } 100% { transform: scaleY(1); opacity: 0; } }
@media (max-width: 1100px) { .legend { display: none; } }
@media (max-width: 720px) {
  .hero-shade { background: linear-gradient(0deg, rgba(11,17,32,.97) 0%, rgba(11,17,32,.7) 58%, rgba(11,17,32,.25) 100%); }
  #hero-overlay { top: auto; bottom: 7.5rem; transform: none; }
  .hero-meta { display: none; } #scroll-hint { display: none; }
  .finder .btn { padding: .7rem 1rem; }
}

/* şerit */
.strip { display: grid; grid-template-columns: repeat(4, 1fr); background: var(--s900); border-top: 1px solid var(--s700); border-bottom: 1px solid var(--s700); }
.st { padding: 1.7rem var(--pad-x) 1.7rem 2rem; border-right: 1px solid var(--s700); display: grid; gap: .15rem; }
.st:first-child { padding-left: var(--pad-x); }
.st:last-child { border-right: 0; }
.st b { font: 700 1.4rem 'Outfit', sans-serif; display: flex; align-items: center; gap: .55rem; }
.st .star { color: var(--orange); }
.st span { font-size: .9rem; color: var(--txt2); }
@media (max-width: 900px) { .strip { grid-template-columns: 1fr 1fr; } .st, .st:first-child { padding: 1.3rem var(--pad-x); } .st:nth-child(2) { border-right: 0; } .st:nth-child(-n+2) { border-bottom: 1px solid var(--s700); } }

/* bloklar */
.block { position: relative; padding: clamp(4.5rem, 10vw, 8rem) var(--pad-x); overflow: hidden; }
.block.light { background: var(--fog); color: var(--ink); }
.sec-head { position: relative; max-width: 760px; margin: 0 auto clamp(2.5rem, 5vw, 3.8rem); text-align: center; }
.sec-head.left { text-align: left; margin-left: 0; }
.sec-head h2 { font-size: clamp(2.2rem, 4.8vw, 3.8rem); margin: .9rem 0 .9rem; }
.sec-head p { color: var(--txt2); font-size: 1.08rem; }
.light .sec-head p { color: var(--s600); }

/* kategoriler */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; max-width: 1240px; margin: 0 auto; }
.cat { position: relative; background: var(--card); border: 1px solid var(--line-l); border-radius: 14px; padding: 1.6rem 1.5rem 1.7rem; transition: transform .25s var(--ease), box-shadow .25s, border-color .25s; }
.cat::before, .cat::after { content: ""; position: absolute; width: 12px; height: 12px; border-color: var(--orange); border-style: solid; opacity: 0; transition: opacity .25s; }
.cat::before { top: 8px; left: 8px; border-width: 2px 0 0 2px; }
.cat::after { bottom: 8px; right: 8px; border-width: 0 2px 2px 0; }
.cat:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(15, 23, 42, .1); border-color: #CBD5E1; }
.cat:hover::before, .cat:hover::after { opacity: 1; }
.cat .code { position: absolute; top: 1.2rem; right: 1.2rem; font: 500 .68rem 'JetBrains Mono', monospace; color: var(--s500); letter-spacing: .08em; }
.cat svg { width: 34px; height: 34px; color: var(--orange-d); margin-bottom: 1.1rem; }
.cat h3 { font-size: 1.3rem; margin-bottom: .35rem; }
.cat p { font-size: .93rem; color: var(--s600); }
.flatlay { max-width: 1240px; margin: 1.6rem auto 0; border-radius: 16px; overflow: hidden; }
.flatlay img { width: 100%; aspect-ratio: 21 / 8; object-fit: cover; }
@media (max-width: 1024px) { .cat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .cat-grid { grid-template-columns: 1fr; } .flatlay img { aspect-ratio: 4 / 3; } }

/* servislere */
.b2b { position: relative; display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(2rem, 5vw, 5rem); align-items: center; max-width: 1240px; margin: 0 auto; }
.ticks { list-style: none; display: grid; gap: 1.1rem; }
.ticks li { display: grid; grid-template-columns: 28px 1fr; gap: .9rem; }
.ticks i { width: 26px; height: 26px; border-radius: 50%; background: rgba(16, 185, 129, .14); position: relative; margin-top: .1rem; }
.ticks i::after { content: ""; position: absolute; left: 9px; top: 6px; width: 6px; height: 11px; border: solid var(--green); border-width: 0 2px 2px 0; transform: rotate(45deg); }
.ticks b { display: block; font: 600 1.1rem 'Outfit', sans-serif; color: #fff; margin-bottom: .15rem; }
.ticks span { color: var(--txt2); font-size: .97rem; }
.b2b-img { position: relative; }
.b2b-img img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 14px; }
.crop { position: absolute; width: 26px; height: 26px; border-color: var(--orange); border-style: solid; }
.crop.tl { top: -10px; left: -10px; border-width: 2px 0 0 2px; }
.crop.br { bottom: -10px; right: -10px; border-width: 0 2px 2px 0; }
@media (max-width: 900px) { .b2b { grid-template-columns: 1fr; } .b2b-img img { aspect-ratio: 16 / 11; } }

/* süreç */
.flow { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; max-width: 1100px; margin: 0 auto; counter-reset: f; position: relative; }
.flow::before { content: ""; position: absolute; top: 34px; left: 12%; right: 12%; border-top: 2px dashed #CBD5E1; }
.flow li { position: relative; background: var(--card); border: 1px solid var(--line-l); border-radius: 14px; padding: 1.6rem; text-align: center; }
.fn { display: inline-grid; place-items: center; width: 52px; height: 52px; border-radius: 50%; background: var(--s950); color: var(--orange); font: 500 .95rem 'JetBrains Mono', monospace; margin: -2.6rem auto 1rem; box-shadow: 0 0 0 6px var(--fog); position: relative; }
.flow h3 { font-size: 1.35rem; margin-bottom: .4rem; }
.flow p { color: var(--s600); font-size: .97rem; }
@media (max-width: 800px) { .flow { grid-template-columns: 1fr; gap: 2.6rem; } .flow::before { display: none; } }

/* yorumlar */
.rv-grid { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; max-width: 1240px; margin: 0 auto; }
.rv { background: var(--s900); border: 1px solid var(--s700); border-radius: 14px; padding: 1.6rem; display: grid; gap: .8rem; align-content: start; }
.rv .stars { color: var(--orange); letter-spacing: .12em; }
.rv p { font-size: 1.05rem; color: #E2E8F0; }
@media (max-width: 1024px) { .rv-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .rv-grid { grid-template-columns: 1fr; } }

/* talep */
.talep { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: start; max-width: 1240px; margin: 0 auto; }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; background: var(--card); border: 1px solid var(--line-l); border-radius: 16px; padding: clamp(1.4rem, 3vw, 2.2rem); box-shadow: 0 20px 50px rgba(15, 23, 42, .07); }
.field { display: grid; gap: .4rem; align-content: start; }
.full { grid-column: 1 / -1; }
.field label { font: 600 .9rem 'Outfit', sans-serif; color: var(--ink); }
.field label small { font-weight: 400; color: var(--s600); }
.field input, .field select { width: 100%; min-height: 50px; font: inherit; font-size: 1rem; color: var(--ink); background: var(--fog); border: 1px solid #CBD5E1; border-radius: 8px; padding: .75rem .9rem; transition: border-color .2s, box-shadow .2s; }
.field input::placeholder { color: #7B8798; }
.field input:focus, .field select:focus { outline: none; border-color: var(--orange-d); box-shadow: 0 0 0 4px rgba(242, 107, 29, .15); }
.field.invalid input { border-color: #DC2626; }
.err { color: #B91C1C; font-size: .85rem; }
@media (max-width: 900px) { .talep { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .form { grid-template-columns: 1fr; } }

/* iletişim */
.contact { position: relative; display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(1.5rem, 4vw, 3.5rem); max-width: 1240px; margin: 0 auto; align-items: stretch; }
.c-info h2 { font-size: clamp(2rem, 4vw, 3.2rem); margin: .9rem 0 1.6rem; }
.c-info dl { display: grid; grid-template-columns: 110px 1fr; gap: 1rem 1.2rem; margin-bottom: 2rem; }
.c-info dt { font: 500 .75rem 'JetBrains Mono', monospace; letter-spacing: .12em; text-transform: uppercase; color: var(--txt2); padding-top: .2rem; }
.c-info dd { color: #E2E8F0; }
.c-info dd a { border-bottom: 1px solid var(--orange); }
.demo-chip { display: inline-block; font: 500 .75rem 'JetBrains Mono', monospace; letter-spacing: .06em; padding: .3rem .6rem; border: 1px dashed var(--orange); color: var(--orange); border-radius: 6px; }
.map { position: relative; min-height: 400px; border-radius: 16px; overflow: hidden; border: 1px solid var(--s700); }
.map iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; filter: grayscale(.9) contrast(1.05); }
@media (max-width: 900px) { .contact { grid-template-columns: 1fr; } .map { min-height: 300px; } }

footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .8rem; padding: 2.2rem var(--pad-x); border-top: 1px solid var(--s700); font-size: .88rem; color: var(--txt2); }
footer b { color: var(--orange); }

.mbar { display: none; }
@media (max-width: 720px) {
  .mbar { position: fixed; z-index: 60; left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: 1fr 1fr; padding-bottom: env(safe-area-inset-bottom); background: var(--s950); box-shadow: 0 -1px 0 var(--s700); }
  .mbar a { display: flex; align-items: center; justify-content: center; min-height: 56px; font: 600 1rem 'Outfit', sans-serif; }
  .mbar-a { background: var(--orange); color: var(--s950); }
  .mbar-b { background: var(--s900); }
  footer { padding-bottom: 6rem; }
  #site-header .btn-sm { display: none; }
}

.toast { position: fixed; z-index: 80; left: 50%; bottom: 5rem; transform: translate(-50%, 20px); background: var(--s900); color: #fff; border: 1px solid var(--orange); border-radius: 10px; padding: .85rem 1.2rem; font-size: .95rem; max-width: min(92vw, 460px); opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s var(--ease); }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .45s var(--ease), transform .45s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .legend li { transition: none; }
  #scroll-hint .line { animation: none; }
}