/* FutureHub — tek renkli, hafif, hızlı. Renkler: siyah, beyaz, grafit, karbon, gümüş. */
@font-face { font-family: "Manrope"; font-style: normal; font-weight: 300 800; font-display: swap; src: url(/assets/fonts/manrope-latin-ext.woff2) format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Manrope"; font-style: normal; font-weight: 300 800; font-display: swap; src: url(/assets/fonts/manrope-latin.woff2) format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }

:root {
  --black: #000; --white: #fff; --graphite: #141414; --carbon: #252525; --silver: #bfc2c7;
  --pad: clamp(20px, 6vw, 96px);
  --ease: cubic-bezier(.16, 1, .3, 1);
  color-scheme: dark;
}
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { background: var(--black); color: var(--white); -webkit-text-size-adjust: 100%; scroll-padding-top: 72px; }
body { font-family: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif; line-height: 1.6; overflow-x: clip; -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { list-style: none; }
::selection { background: #fff; color: #000; }
:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }
.skip { position: fixed; left: 16px; top: -64px; z-index: 100; background: #fff; color: #000; padding: 10px 16px; font-weight: 600; }
.skip:focus { top: 16px; }
.eyebrow { font-size: 12px; font-weight: 600; letter-spacing: .24em; color: var(--silver); }
.muted { color: var(--silver); }

/* ── Butonlar ── */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 28px; font-size: 15px; font-weight: 700; letter-spacing: .01em; transition: background .2s, color .2s, box-shadow .2s;
  clip-path: polygon(10px 0, calc(100% - 10px) 0, 100% 10px, 100% calc(100% - 10px), calc(100% - 10px) 100%, 10px 100%, 0 calc(100% - 10px), 0 10px); }
.btn-light { background: linear-gradient(180deg, #fff 0%, #fff 45%, #e3e5e8 100%); color: #000; }
.btn-light:hover { background: linear-gradient(180deg, #fff 0%, var(--silver) 100%); }
.btn-line { position: relative; isolation: isolate; background: rgba(191, 194, 199, .5); }
.btn-line::before { content: ""; position: absolute; inset: 1px; z-index: -1; background: #000; transition: background .2s;
  clip-path: polygon(9.6px 0, calc(100% - 9.6px) 0, 100% 9.6px, 100% calc(100% - 9.6px), calc(100% - 9.6px) 100%, 9.6px 100%, 0 calc(100% - 9.6px), 0 9.6px); }
.btn-line:hover { background: #fff; }
.btn-sm { min-height: 40px; padding: 0 18px; font-size: 13px; }

/* ── Üst menü ── */
.top { position: fixed; inset: 0 0 auto; z-index: 50; height: 72px; display: flex; align-items: center; gap: 32px; padding: 0 var(--pad); background: linear-gradient(180deg, rgba(0,0,0,.8), rgba(0,0,0,0)); transition: background .3s; }
.top.solid { background: rgba(0, 0, 0, .94); box-shadow: 0 1px 0 var(--carbon); }
.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.brand img { height: 24px; width: auto; }
.word { font-size: 13px; letter-spacing: .32em; }
.thin { font-weight: 300; }
.nav ul { display: flex; gap: 28px; }
.nav a { font-size: 14px; color: var(--silver); padding: 6px 0; border-bottom: 1px solid transparent; transition: color .2s, border-color .2s; }
.nav a:hover, .nav a.on { color: #fff; border-color: #fff; }
.menu-btn { display: none; font-size: 13px; font-weight: 700; letter-spacing: .18em; text-transform: none; padding: 10px 0; }
.menu { position: fixed; inset: 60px 0 0; z-index: 49; background: #000; padding: 24px var(--pad); }
.menu nav { display: flex; flex-direction: column; }
.menu a { font-size: 28px; font-weight: 700; padding: 12px 0; border-bottom: 1px solid var(--carbon); }

/* ── Açılış ── */
.hero { min-height: 100vh; min-height: 100svh; display: grid; place-items: center; text-align: center; padding: 96px var(--pad) 64px; position: relative; isolation: isolate;
  background: radial-gradient(ellipse 55% 42% at 50% 30%, rgba(255,255,255,.11), rgba(191,194,199,.04) 45%, transparent 75%), radial-gradient(ellipse 90% 60% at 50% 110%, rgba(37,37,37,.9), transparent 70%); }
.hero::after { content: ""; position: absolute; inset: auto 0 0; height: 24vh; z-index: -1; background: linear-gradient(180deg, transparent, #000); pointer-events: none; }
.hero-logo { width: min(82vw, 72vh, 760px); aspect-ratio: 1254 / 500; overflow: hidden; margin: 0 auto; mix-blend-mode: screen; }
.logo-inner { position: relative; margin-top: -30%; }
.logo-inner img { width: 100%; height: auto; }
.sweep { position: absolute; inset: 0; background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,.55) 50%, transparent 60%); background-size: 300% 100%; mix-blend-mode: overlay; -webkit-mask: url(/assets/logo.webp) center / contain no-repeat; mask: url(/assets/logo.webp) center / contain no-repeat; animation: sweep 9s var(--ease) 1s 3; }
@keyframes sweep { 0% { background-position: 100% 0; } 30%, 100% { background-position: -100% 0; } }
.hero-copy { max-width: 64rem; }
.hero h1 { font-size: clamp(2.3rem, 6.2vw, 5.8rem); font-weight: 800; line-height: .98; letter-spacing: -.025em; margin-top: 18px; background: linear-gradient(180deg, #fff 35%, var(--silver) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sub { font-size: clamp(1rem, 1.5vw, 1.25rem); color: var(--silver); max-width: 46ch; margin: 20px auto 0; }
.ctas { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 32px; }
.cue { position: absolute; bottom: 24px; left: 0; right: 0; font-size: 11px; letter-spacing: .3em; color: var(--silver); }
.cue::after { content: ""; display: block; width: 1px; height: 36px; margin: 10px auto 0; background: linear-gradient(#fff, transparent); animation: cue 2.4s ease-in-out infinite; transform-origin: top; }
@keyframes cue { 0%, 100% { transform: scaleY(.2); opacity: .3; } 50% { transform: scaleY(1); opacity: 1; } }

/* ── Girişim yolculuğu ── */
.journey { position: relative; height: 760vh; }
.j-sticky { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; }
.j-scene { position: absolute; inset: 0; z-index: 0; perspective: 900px; perspective-origin: 50% 30%; }
.j-sticky::before { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(180deg, #000 0%, #000 12%, rgba(0,0,0,.6) 24%, transparent 40%),
    radial-gradient(ellipse 60% 14% at 50% 30%, rgba(255,255,255,.10), transparent 70%),
    radial-gradient(ellipse 85% 75% at 50% 55%, transparent 55%, rgba(0,0,0,.75) 100%); }
/* Düzlem ekran genişliğinde ve yalnızca eğilir; kamera hareketi SVG içinde yapılır (büyük katman büyütülmez, mobilde akıcı) */
.j-plane { position: absolute; left: 0; right: 0; top: -60vh; height: 170vh; transform-origin: 50% 64.71%; will-change: transform; }
.j-plane svg { display: block; width: 100%; height: 100%; overflow: visible; }
/* Aydınlanan yol: maskedeki çizgi; genişliği yolu ve neon hâlesini kapsar */
.lit { fill: none; stroke: #fff; stroke-width: 130; stroke-linejoin: round; stroke-dasharray: 1; stroke-dashoffset: 1; }
.center { fill: none; stroke: #000; stroke-width: 4.5; stroke-dasharray: 10 12; opacity: .55; }
.center-hi { fill: none; stroke: #BFC2C7; stroke-width: 1.6; stroke-dasharray: 10 12; opacity: .55; }
.full { opacity: 0; }
.node { fill: #000; stroke: #fff; stroke-width: 3; transition: fill .3s; }
.node.on { stroke-width: 4; }
.node.on { fill: #fff; }
.j-title { z-index: 2; position: absolute; left: var(--pad); top: 96px; font-size: 12px; font-weight: 600; letter-spacing: .24em; color: var(--silver); text-transform: none; }
.stages { position: absolute; inset: 0; z-index: 2; pointer-events: none; }
.stage { position: absolute; left: var(--pad); bottom: 9vh; width: min(32rem, calc(100vw - 2 * var(--pad))); padding: 28px 28px 24px; background: linear-gradient(160deg, rgba(20,20,20,.95), rgba(0,0,0,.93)); box-shadow: inset 0 0 0 1px rgba(191,194,199,.16); opacity: 0; transform: translateY(24px); visibility: hidden; transition: opacity .5s var(--ease), transform .6s var(--ease), visibility 0s .6s; }
.stage::before { content: ""; position: absolute; inset: 0 0 auto; height: 1px; background: linear-gradient(90deg, transparent, rgba(255,255,255,.75) 30%, rgba(255,255,255,.75) 50%, transparent); }
.stage-final::before { display: none; }
.stage.on { opacity: 1; transform: none; visibility: visible; pointer-events: auto; transition: opacity .6s var(--ease), transform .7s var(--ease); }
.stage:nth-child(even) { left: auto; right: var(--pad); }
.stage h3 { font-size: clamp(1.4rem, 2.3vw, 2.1rem); font-weight: 800; line-height: 1.12; letter-spacing: -.01em; margin-top: 12px; }
.stage > p:not(.eyebrow) { color: var(--silver); margin-top: 12px; font-size: 15px; }
.stage ul { margin-top: 16px; border-top: 1px solid rgba(255,255,255,.12); }
.stage li { font-size: 14px; padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,.12); }
.stage .note { font-size: 12px !important; border-top: 1px solid var(--carbon); padding-top: 10px; }
.stage-final { left: 50% !important; right: auto !important; bottom: 7vh; transform: translate(-50%, 24px); width: min(56rem, calc(100vw - 2 * var(--pad))); text-align: center; background: none; box-shadow: none; backdrop-filter: none; -webkit-backdrop-filter: none; }
.stage-final.on { transform: translate(-50%, 0); }
.final-lead { color: var(--silver); font-size: 1.05rem !important; }
.final-title { font-size: clamp(2rem, 4.6vw, 4.4rem) !important; line-height: 1 !important; letter-spacing: -.02em !important; }
.stage-final .btn { margin-top: 24px; }
.j-hud { z-index: 2; position: absolute; right: var(--pad); top: 96px; display: flex; gap: 8px; align-items: baseline; font-size: 13px; letter-spacing: .14em; color: var(--silver); opacity: 0; transition: opacity .4s; }
.j-hud.on { opacity: 1; }
.j-hud #hudNo { color: #fff; font-size: 20px; font-weight: 700; }
.j-hud #hudName { color: #fff; margin-left: 10px; }

/* ── Kurumsal bölümler ── */
.block { max-width: 1440px; margin: 0 auto; padding: clamp(96px, 14vh, 180px) var(--pad); background: radial-gradient(ellipse 50% 40% at 100% 0%, rgba(191,194,199,.06), transparent 70%); }
.block:nth-of-type(odd) { background: radial-gradient(ellipse 50% 40% at 0% 0%, rgba(191,194,199,.06), transparent 70%); }
.block h2 { background: linear-gradient(180deg, #fff 40%, var(--silver) 120%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.block h2 { font-size: clamp(1.9rem, 3.8vw, 3.6rem); font-weight: 800; line-height: 1.05; letter-spacing: -.02em; max-width: 22ch; margin-top: 18px; }
.lead { font-size: clamp(1.05rem, 1.3vw, 1.2rem); color: var(--silver); max-width: 62ch; margin-top: 24px; }
.reveal { transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.pre { opacity: 0; transform: translateY(28px); }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 56px; border-top: 1px solid var(--carbon); }
.grid3 article { padding: 32px 32px 32px 0; }
.grid3 article + article { padding-left: 32px; border-left: 1px solid var(--carbon); }
.grid3 h3 { font-size: 1.35rem; margin: 10px 0; }
.grid3 p { color: var(--silver); }
.num { font-size: 12px; font-weight: 600; letter-spacing: .2em; color: var(--silver); }
.method { display: flex; margin-top: 48px; font-size: 12px; font-weight: 700; letter-spacing: .24em; }
.method li { flex: 1; padding-top: 16px; border-top: 1px solid transparent; border-image: linear-gradient(90deg, #fff, rgba(191,194,199,.2)) 1; }
.services, .faq { margin-top: 48px; border-top: 1px solid var(--carbon); }
.svc, .faq details { border-bottom: 1px solid var(--carbon); }
summary { list-style: none; cursor: pointer; }
summary::-webkit-details-marker { display: none; }
.svc summary { display: grid; grid-template-columns: 56px 1fr 1.2fr 24px; gap: 24px; align-items: center; padding: 26px 8px; transition: background .2s; }
.svc summary::after, .faq summary::after { content: "+"; font-size: 26px; font-weight: 300; transition: transform .3s; justify-self: end; }
.svc[open] summary::after, .faq details[open] summary::after { transform: rotate(45deg); }
.svc summary:hover { background: linear-gradient(90deg, var(--graphite), transparent); }
.svc h3 { font-size: clamp(1.15rem, 1.7vw, 1.6rem); font-weight: 700; }
.sum { color: var(--silver); font-size: 15px; }
.svc ul { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 8px 26px 88px; }
.svc li { font-size: 14px; padding: 9px 14px; box-shadow: inset 0 0 0 1px var(--carbon); }
.svc .note, .note { font-size: 13px; color: var(--silver); }
.svc .note { padding: 0 8px 26px 88px; }
.faq summary { display: flex; justify-content: space-between; gap: 24px; align-items: center; padding: 24px 8px; }
.faq h3 { font-size: clamp(1.05rem, 1.5vw, 1.35rem); font-weight: 700; }
.faq p { color: var(--silver); padding: 0 8px 24px; max-width: 70ch; }
.eco { display: grid; grid-template-columns: 5fr 7fr; gap: 64px; margin-top: 24px; }
.notice { margin-top: 28px; padding: 24px; background: linear-gradient(160deg, var(--carbon), var(--graphite) 60%); box-shadow: inset 0 0 0 1px var(--carbon); }
.notice h3 { font-size: 1rem; margin-bottom: 8px; }
.notice p { color: var(--silver); font-size: 14px; }
.tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-content: start; margin-top: 24px; }
.tiles article { padding: 28px; background: linear-gradient(160deg, var(--graphite), #000 70%); box-shadow: inset 0 0 0 1px var(--carbon), inset 0 1px 0 rgba(255,255,255,.12); transition: box-shadow .3s; }
.tiles article:hover { box-shadow: inset 0 0 0 1px rgba(191,194,199,.4), inset 0 1px 0 rgba(255,255,255,.3); }
.tiles h3 { font-size: 1.15rem; margin-bottom: 8px; }
.tiles p { color: var(--silver); font-size: 15px; }
.empty { margin-top: 48px; padding: 64px 24px; text-align: center; box-shadow: inset 0 0 0 1px var(--carbon); background: radial-gradient(ellipse 60% 80% at 50% 0%, rgba(255,255,255,.07), transparent 70%); }
.empty p:not(.eyebrow) { color: var(--silver); max-width: 46ch; margin: 14px auto 26px; }

/* ── İletişim ── */
.contact { display: grid; grid-template-columns: 5fr 7fr; gap: 64px; }
.big { font-size: clamp(2.2rem, 4.8vw, 4.8rem) !important; line-height: .98 !important; max-width: 14ch !important; }
.steps { margin-top: 32px; }
.steps li { padding: 14px 0; border-top: 1px solid var(--carbon); color: var(--silver); }
.steps b { color: #fff; margin-right: 12px; }
form { display: grid; gap: 22px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.field label, legend { display: block; font-size: 13px; font-weight: 600; color: var(--silver); margin-bottom: 8px; }
legend small { font-weight: 400; }
fieldset { border: 0; }
input:not([type=radio]):not([type=checkbox]), textarea { width: 100%; background: var(--graphite); color: #fff; border: 0; border-bottom: 1px solid var(--carbon); padding: 14px; font: inherit; font-size: 15px; transition: border-color .2s; }
input:focus, textarea:focus { outline: none; border-color: #fff; }
textarea { min-height: 150px; resize: vertical; }
.hint { font-size: 12px; color: var(--silver); margin-top: 6px; }
.err { display: none; font-size: 12px; font-weight: 600; margin-top: 8px; }
.err::before { content: "! "; }
.bad .err { display: block; }
.bad input:not([type=radio]):not([type=checkbox]), .bad textarea { box-shadow: inset 2px 0 0 #fff; }
.opts { display: flex; flex-wrap: wrap; gap: 8px; }
.opts label { position: relative; margin: 0; }
.opts input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.opts span { display: inline-block; padding: 10px 14px; font-size: 14px; color: #fff; box-shadow: inset 0 0 0 1px var(--carbon); transition: background .15s, color .15s; }
.opts input:checked + span { background: #fff; color: #000; box-shadow: none; }
.opts input:focus-visible + span { outline: 2px solid #fff; outline-offset: 2px; }
.check { display: flex !important; gap: 12px; align-items: flex-start; font-weight: 400 !important; line-height: 1.55; }
.check input { margin-top: 4px; width: 16px; height: 16px; accent-color: #fff; flex: none; }
.check a { text-decoration: underline; color: #fff; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.summary { padding: 14px 16px; background: var(--graphite); box-shadow: inset 2px 0 0 #fff; font-size: 14px; }
.status { min-height: 22px; font-size: 14px; color: var(--silver); }
.success { padding: 40px 28px; background: radial-gradient(ellipse 80% 90% at 50% 0%, rgba(255,255,255,.08), var(--graphite) 70%); }
.success h3 { font-size: 1.6rem; margin-bottom: 8px; }
.success p { color: var(--silver); }

/* ── Alt bilgi ── */
.foot { max-width: 1440px; margin: 0 auto; padding: 64px var(--pad) 40px; border-top: 1px solid transparent; border-image: linear-gradient(90deg, transparent, rgba(191,194,199,.5), transparent) 1; display: grid; gap: 40px; background: radial-gradient(ellipse 50% 60% at 50% 0%, rgba(191,194,199,.05), transparent 70%); }
.foot-row { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.foot-logo { height: 40px; width: auto; margin-bottom: 16px; }
.foot-nav { display: flex; flex-wrap: wrap; gap: 20px; font-size: 14px; color: var(--silver); align-content: start; }
.foot-nav a:hover { color: #fff; }
.small { font-size: 12px; color: var(--silver); }
.small p { max-width: 70ch; }

/* ── Duyarlı düzen ── */
@media (max-width: 1080px) {
  .nav, .top > .btn { display: none; }
  .menu-btn { display: block; }
}
@media (max-width: 767px) {
  .top { height: 60px; }
  .journey { height: 680vh; }
  .stage, .stage:nth-child(even) { left: 0; right: 0; bottom: 0; width: auto; padding: 20px 20px max(20px, env(safe-area-inset-bottom)); max-height: 50svh; overflow: auto; background: linear-gradient(0deg, rgba(0,0,0,.95) 75%, rgba(0,0,0,0)); box-shadow: none; }
  .stage ul { display: flex; flex-wrap: wrap; gap: 6px; border: 0; }
  .stage li { border: 0; padding: 5px 10px; font-size: 12px; box-shadow: inset 0 0 0 1px var(--carbon); }
  .stage-final { left: 0 !important; right: 0 !important; width: auto; max-height: none; overflow: visible; transform: translateY(24px); background: none; }
  .stage-final.on { transform: none; }
  .stage::before { display: none; }
  .j-title, .j-hud { top: 76px; }
  .j-hud { left: var(--pad); right: auto; top: 100px; }
  .grid3, .eco, .contact, .row2, .tiles { grid-template-columns: 1fr; }
  .grid3 article + article { border-left: 0; padding-left: 0; border-top: 1px solid var(--carbon); }
  .method { flex-direction: column; gap: 12px; }
  .svc summary { grid-template-columns: 36px 1fr 24px; }
  .sum { display: none; }
  .svc ul, .svc .note { padding-left: 8px; }
}

/* ── KVKK ve 404 ── */
.legal { max-width: 860px; }
.legal-title { font-size: clamp(2rem, 4vw, 3.4rem); font-weight: 800; line-height: 1.05; letter-spacing: -.02em; margin-top: 20px; }
.legal-h { font-size: 1.25rem !important; margin-top: 48px !important; }
.legal-list { margin-top: 16px; color: var(--silver); }
.legal-list li { padding: 10px 0; border-bottom: 1px solid var(--carbon); }