/* 4D1A Muhasebe — site stilleri. Bütün renk, font, ölçü ve süreler tokens.css'ten (tokens.json) gelir.
   Fikir: logonun dört karesi programın dört işlemidir (Satış yap, Para al, Alış gir, Para öde);
   ortadaki amber kare tek paneldir. Her akış kendi rengini taşır: [data-flow] → --flow. */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(76px + env(safe-area-inset-top, 0px)); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--font-body); font-size: var(--size-step-0); line-height: 1.6;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.08; margin: 0; text-wrap: balance; }
h1 { font-size: var(--size-step-4); font-weight: 700; letter-spacing: -0.035em; }
h2 { font-size: var(--size-step-3); font-weight: 700; letter-spacing: -0.025em; }
h3 { font-size: var(--size-step-1); font-weight: 600; letter-spacing: -0.01em; }
p { margin: 0; text-wrap: pretty; }
::selection { background: var(--amber); color: var(--on-amber); }
a { color: var(--navy); text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; border-radius: var(--radius-sm); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Akış renkleri: tek öznitelik, tek değişken */
[data-flow="sale"]     { --flow: var(--flow-sale); }
[data-flow="collect"]  { --flow: var(--flow-collect); }
[data-flow="purchase"] { --flow: var(--flow-purchase); }
[data-flow="pay"]      { --flow: var(--flow-pay); }

.wrap {
  width: 100%; max-width: calc(var(--layout-max) + 2 * var(--space-8)); margin-inline: auto;
  padding-left: max(var(--space-6), env(safe-area-inset-left, 0px));
  padding-right: max(var(--space-6), env(safe-area-inset-right, 0px));
}
@media (max-width: 480px) {
  .wrap { padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
}
.section { padding-block: var(--space-section); }
.section-head { display: grid; gap: var(--space-4); max-width: var(--layout-measure); margin-bottom: var(--space-12); justify-items: start; }
.section-head.center { margin-inline: auto; text-align: center; justify-items: center; }
.lead { font-size: var(--size-step-1); line-height: 1.55; color: var(--ink-muted); max-width: var(--layout-measure); }
.muted { color: var(--ink-muted); }
.i { width: 1.15em; height: 1.15em; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* Logo */
.logo { display: block; height: 42px; width: auto; }
.logo-header { --lg-sq: #FFFFFF; --lg-acc: var(--amber); --lg-ink: var(--hero-ink); --lg-1a: var(--amber-strong); --lg-sub: var(--hero-muted); }
.logo-footer { height: 54px; --lg-sq: var(--on-band); --lg-acc: var(--amber); --lg-ink: var(--on-band); --lg-1a: var(--amber); --lg-sub: var(--on-band-muted); }
.lg-sq { fill: currentColor; }
.lg-acc { fill: var(--amber); }

/* Butonlar */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  min-height: 50px; padding: 0 var(--space-6); border-radius: var(--radius-md); border: 1px solid transparent;
  font: 600 var(--size-step-0)/1 var(--font-body); text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: background-color var(--motion-fast), border-color var(--motion-fast), color var(--motion-fast), transform var(--motion-fast), box-shadow var(--motion-fast);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: none; }
.btn .i { transition: transform var(--motion-fast); }
.btn:hover .i[aria-hidden] { transform: translateX(2px); }
.btn-amber { background: var(--amber); color: var(--on-amber); box-shadow: 0 8px 24px -8px color-mix(in srgb, var(--amber) 70%, transparent); }
.btn-amber:hover { background: var(--amber-strong); }
.btn-navy { background: var(--navy); color: var(--on-navy); }
.btn-navy:hover { background: var(--navy-strong); }
.btn-glass { background: color-mix(in srgb, #FFFFFF 8%, transparent); color: var(--hero-ink); border-color: var(--hero-line); }
.btn-glass:hover { background: color-mix(in srgb, #FFFFFF 14%, transparent); }
.btn-outline { background: var(--surface); color: var(--ink); border-color: var(--line); }
.btn-outline:hover { border-color: var(--navy); color: var(--navy); }
.btn-sm { min-height: 42px; padding: 0 var(--space-4); font-size: var(--size-step--1); }

/* Üst başlık: hero ile aynı derin lacivert, cam efekti */
.site-header {
  position: sticky; top: 0; z-index: 20; padding-top: env(safe-area-inset-top, 0px);
  background: color-mix(in srgb, var(--hero) 86%, transparent);
  backdrop-filter: saturate(1.5) blur(14px); -webkit-backdrop-filter: saturate(1.5) blur(14px);
  border-bottom: 1px solid var(--hero-line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); padding-block: var(--space-3); }
.brand { display: block; border-radius: var(--radius-sm); }
.nav { display: flex; align-items: center; gap: var(--space-5); }
.nav-links { display: flex; gap: var(--space-5); list-style: none; margin: 0; padding: 0; }
.nav-links a, .nav-login { color: var(--hero-muted); text-decoration: none; font-weight: 500; font-size: var(--size-step--1); padding-block: var(--space-2); transition: color var(--motion-fast); }
.nav-links a:hover, .nav-login:hover { color: var(--hero-ink); }
@media (max-width: 920px) { .nav-links { display: none; } }
@media (max-width: 520px) { .nav-login { display: none; } .logo-header { height: 36px; } .nav { gap: var(--space-3); } }

/* Mobil menü: JavaScript yok, <details> açılıp kapanır; ikon üç çizgiden çarpıya döner */
.menu { display: none; position: relative; }
@media (max-width: 920px) { .menu { display: block; } }
.menu summary { list-style: none; width: 42px; height: 42px; display: grid; place-items: center; border-radius: var(--radius-md); border: 1px solid var(--hero-line); cursor: pointer; color: var(--hero-ink); }
.menu summary::-webkit-details-marker { display: none; }
.menu summary span, .menu summary span::before, .menu summary span::after { display: block; width: 18px; height: 2px; border-radius: 2px; background: currentColor; transition: transform var(--motion-fast), background-color var(--motion-fast); }
.menu summary span { position: relative; }
.menu summary span::before, .menu summary span::after { content: ""; position: absolute; left: 0; }
.menu summary span::before { top: -6px; }
.menu summary span::after { top: 6px; }
.menu[open] summary span { background: transparent; }
.menu[open] summary span::before { transform: translateY(6px) rotate(45deg); }
.menu[open] summary span::after { transform: translateY(-6px) rotate(-45deg); }
.menu ul { position: absolute; right: 0; top: calc(100% + 12px); min-width: 220px; list-style: none; margin: 0; padding: var(--space-2); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow-3); border: 1px solid var(--line); animation: drop var(--motion-fast) ease-out; }
@keyframes drop { from { opacity: 0; translate: 0 -6px; } }
.menu a { display: block; padding: 12px 14px; border-radius: var(--radius-md); color: var(--ink); text-decoration: none; font-weight: 500; }
.menu a:hover { background: var(--surface-2); color: var(--navy); }
.menu li:last-child { border-top: 1px solid var(--line); margin-top: var(--space-1); padding-top: var(--space-1); }

/* ───────── Hero ───────── */
.hero {
  position: relative; isolation: isolate; overflow: clip; color: var(--hero-ink);
  background:
    radial-gradient(60% 70% at 78% 40%, color-mix(in srgb, var(--flow-sale) 38%, transparent), transparent 70%),
    radial-gradient(40% 50% at 92% 90%, color-mix(in srgb, var(--amber) 22%, transparent), transparent 70%),
    radial-gradient(50% 60% at 0% 0%, var(--hero-2), transparent 70%),
    var(--hero);
  padding-block: clamp(48px, 6vw, 96px) var(--space-12);
}
/* Logonun 56 birimlik defter ızgarası, kenarlara doğru söner */
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(var(--hero-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--hero-line) 1px, transparent 1px);
  background-size: var(--pattern-grid) var(--pattern-grid);
  mask-image: radial-gradient(80% 80% at 60% 40%, #000 30%, transparent 85%);
  -webkit-mask-image: radial-gradient(80% 80% at 60% 40%, #000 30%, transparent 85%);
}
.hero > .wrap:first-child { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(var(--space-8), 5vw, var(--space-16)); align-items: center; }
@media (max-width: 980px) { .hero > .wrap:first-child { grid-template-columns: minmax(0, 1fr); } }
.hero-copy { display: grid; gap: var(--space-6); justify-items: start; }
.hero h1 { color: var(--hero-ink); }
.hero h1::after { content: ""; display: inline-block; width: 0.32em; height: 0.32em; margin-left: 0.08em; border-radius: 22%; background: var(--amber); vertical-align: 0.02em; }
.hero-lead { font-size: var(--size-step-1); line-height: 1.55; color: var(--hero-muted); max-width: 54ch; }
.pill {
  display: inline-flex; align-items: center; gap: var(--space-2); padding: 6px 14px 6px 8px; border-radius: 999px;
  font-size: var(--size-step--1); font-weight: 500; color: var(--hero-ink);
  background: color-mix(in srgb, #FFFFFF 7%, transparent); border: 1px solid var(--hero-line);
}
.pill-mark { width: 18px; height: 18px; border-radius: 5px; display: grid; place-items: center; background: var(--amber); position: relative; }
.pill-mark::after { content: ""; width: 6px; height: 6px; border-radius: 2px; background: var(--hero); }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.hero-trust { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-5); font-size: var(--size-step--1); color: var(--hero-muted); }
.hero-trust li { display: inline-flex; align-items: center; gap: 6px; }
.hero-trust .i { color: var(--flow-collect); stroke-width: 2.6; }
@media (prefers-color-scheme: light) { .hero-trust .i { color: #34D399; } }

/* Uygulama örnek ekranı */
.app {
  position: relative; margin: 0; border-radius: var(--radius-xl); background: var(--surface); color: var(--ink);
  box-shadow: 0 40px 80px -24px #000000AA, 0 0 0 1px var(--hero-line);
  animation: assemble var(--motion-assemble) cubic-bezier(.2,.8,.2,1) both;
  container-type: inline-size;
}
@keyframes assemble { from { opacity: 0; transform: translateY(24px) scale(.97); } }
.app-sample { position: absolute; top: -11px; left: 20px; z-index: 2; padding: 3px 10px; border-radius: 999px; background: var(--hero-2); color: var(--hero-ink); border: 1px solid var(--hero-line); font: 500 var(--size-step--2)/1.3 var(--font-mono); letter-spacing: .04em; }
.app-bar { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--line); }
.app-dots { display: flex; gap: 6px; }
.app-dots i { width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.app-search { flex: 1; display: flex; align-items: center; gap: var(--space-2); min-width: 0; padding: 8px 12px; border-radius: var(--radius-md); background: var(--surface-2); color: var(--ink-muted); font-size: var(--size-step--2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.app-body { padding: var(--space-5); display: grid; gap: var(--space-4); }
.app-hello { display: grid; gap: 2px; }
.app-firm { font: 500 var(--size-step--2)/1.2 var(--font-mono); letter-spacing: .04em; text-transform: uppercase; color: var(--ink-muted); }
.app-hello strong { font: 600 var(--size-step-1)/1.2 var(--font-display); }
.app-actions { position: relative; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.act {
  display: grid; gap: 2px; padding: var(--space-4); border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--flow) 10%, var(--surface)); border: 1px solid color-mix(in srgb, var(--flow) 28%, transparent);
  position: relative; overflow: hidden;
}
.act::before { content: ""; width: 10px; height: 10px; border-radius: 3px; background: var(--flow); margin-bottom: 6px; }
.act b { font: 600 var(--size-step-0)/1.2 var(--font-display); }
.act small { font-size: var(--size-step--2); color: var(--ink-muted); }
.act-core { position: absolute; left: 50%; top: 50%; width: 22px; height: 22px; translate: -50% -50%; border-radius: 6px; background: var(--amber); box-shadow: 0 0 0 5px var(--surface), 0 0 24px 4px color-mix(in srgb, var(--amber) 60%, transparent); animation: core 3.2s ease-in-out infinite; }
@keyframes core { 50% { box-shadow: 0 0 0 5px var(--surface), 0 0 36px 10px color-mix(in srgb, var(--amber) 35%, transparent); } }
.app-kpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin: 0; }
.app-kpis div { padding: var(--space-3); border-radius: var(--radius-md); background: var(--surface-2); min-width: 0; }
.app-kpis dt { font-size: var(--size-step--2); color: var(--ink-muted); line-height: 1.3; }
.app-kpis dd { margin: 4px 0 0; font: 600 var(--size-step-1)/1.1 var(--font-display); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.app-alerts { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; font-size: var(--size-step--1); }
.app-alerts li { display: flex; align-items: center; gap: var(--space-2); padding: 8px 12px; border-radius: var(--radius-md); border: 1px solid var(--line); }
.app-alerts b { margin-left: auto; font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }
.app-alerts b.link { color: var(--navy); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--flow); flex: none; }
@container (max-width: 440px) {
  .app-kpis { grid-template-columns: 1fr 1fr; }
  .app-kpis div:last-child { grid-column: 1 / -1; }
  .act small { display: none; }
}

/* Panelin çevresinde süzülen rozetler */
.float {
  position: absolute; display: flex; align-items: center; gap: var(--space-2); padding: 10px 14px; border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--surface) 92%, transparent); color: var(--ink); box-shadow: var(--shadow-3);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  font-size: var(--size-step--2); line-height: 1.3; white-space: nowrap;
  animation: bob 6s ease-in-out infinite;
}
.float b { display: block; font-size: var(--size-step--1); }
.float .i { width: 28px; height: 28px; padding: 5px; border-radius: 8px; background: var(--navy-soft); color: var(--navy); }
.f1 { top: -22px; right: 28px; }
.f2 { top: 34%; right: -40px; animation-delay: -2s; }
.f3 { bottom: -22px; left: 12%; animation-delay: -4s; }
.f3 .i { background: color-mix(in srgb, var(--amber) 22%, var(--surface)); color: var(--amber-ink); }
.chan { width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center; font: 700 10px/1 var(--font-body); color: #FFF; background: var(--flow-sale); margin-right: -14px; box-shadow: 0 0 0 2px var(--surface); }
.chan:nth-child(1) { background: #F27A1A; }
.chan:nth-child(2) { background: #FF6000; }
.chan:nth-child(3) { background: #7F54B3; margin-right: 0; }
@keyframes bob { 50% { transform: translateY(-8px); } }
@media (max-width: 1180px) { .f2 { right: -12px; } }
@media (max-width: 640px) { .float { display: none; } }

.hero-stats { list-style: none; margin: clamp(56px, 7vw, 96px) 0 0; padding: var(--space-6) 0 0; border-top: 1px solid var(--hero-line); display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-6); }
.hero-stats li { display: grid; gap: 4px; }
.hero-stats b { font: 700 var(--size-step-3)/1 var(--font-display); letter-spacing: -0.03em; background: linear-gradient(120deg, #FFFFFF, var(--amber-strong)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-stats span { font-size: var(--size-step--1); color: var(--hero-muted); line-height: 1.4; }
@media (max-width: 760px) { .hero-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* ───────── Bağlantı zinciri ───────── */
.chain-sec { background: var(--surface); border-bottom: 1px solid var(--line); }
.chain { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: var(--space-3); counter-reset: z; position: relative; }
.chain::before { content: ""; position: absolute; top: 22px; left: 8%; right: 8%; height: 2px; background: repeating-linear-gradient(90deg, var(--line) 0 8px, transparent 8px 14px); z-index: 0; }
.chain li { counter-increment: z; position: relative; display: grid; gap: var(--space-2); justify-items: center; text-align: center; padding-inline: var(--space-1); }
.chain li::before {
  content: counter(z); position: relative; z-index: 1; width: 46px; height: 46px; display: grid; place-items: center;
  border-radius: 14px; font: 700 var(--size-step-0)/1 var(--font-display); color: var(--flow); background: var(--surface);
  border: 2px solid color-mix(in srgb, var(--flow) 40%, var(--line));
  animation: pulse var(--motion-chain) infinite; animation-delay: calc(var(--i) * var(--motion-chain) / 6);
}
.chain b { font: 600 var(--size-step--1)/1.3 var(--font-display); }
.chain span { font-size: var(--size-step--2); color: var(--ink-muted); line-height: 1.4; }
@keyframes pulse {
  0%, 14% { background: var(--flow); color: #FFFFFF; border-color: var(--flow); transform: translateY(-3px); box-shadow: 0 10px 24px -6px color-mix(in srgb, var(--flow) 60%, transparent); }
  24%, 100% { background: var(--surface); transform: none; box-shadow: none; }
}
@media (max-width: 900px) {
  .chain { grid-template-columns: minmax(0, 1fr); gap: var(--space-4); max-width: 460px; margin-inline: auto; }
  .chain::before { top: 22px; bottom: 22px; left: 22px; right: auto; width: 2px; height: auto; background: repeating-linear-gradient(180deg, var(--line) 0 8px, transparent 8px 14px); }
  .chain li { grid-template-columns: 46px 1fr; justify-items: start; text-align: left; column-gap: var(--space-4); row-gap: 0; }
  .chain li::before { grid-row: span 2; }
}

/* ───────── Özellikler ───────── */
.features { background: var(--bg); background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px); background-size: var(--pattern-grid) var(--pattern-grid); }
.fgrid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-4); }
.fcard {
  position: relative; display: grid; align-content: start; gap: var(--space-3); padding: var(--space-6);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-1);
  transition: transform var(--motion-fast), box-shadow var(--motion-fast), border-color var(--motion-fast); overflow: hidden;
}
.fcard::after { content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: var(--flow); transform: scaleX(0); transform-origin: left; transition: transform 360ms cubic-bezier(.2,.8,.2,1); }
.fcard:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); border-color: color-mix(in srgb, var(--flow) 40%, var(--line)); }
.fcard:hover::after { transform: none; }
.fi { width: 44px; height: 44px; padding: 10px; border-radius: 12px; fill: none; stroke: var(--flow); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; background: color-mix(in srgb, var(--flow) 12%, var(--surface)); }
.fcard p { font-size: var(--size-step--1); color: var(--ink-muted); line-height: 1.55; }
/* Öne çıkan üç kart: banka eşleştirme, web mağaza ve pazaryeri, Kalfa */
.fgrid { grid-auto-flow: row dense; }
.fcard:nth-child(1), .fcard:nth-child(5), .fcard:nth-child(7), .fcard:nth-child(10) { grid-column: span 2; }
.fcard:nth-child(7) { background: linear-gradient(140deg, color-mix(in srgb, var(--flow-sale) 10%, var(--surface)), var(--surface) 60%); }
.fcard:nth-child(7) h3 { font-size: var(--size-step-2); }
@media (max-width: 1040px) { .fgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .fgrid { grid-template-columns: minmax(0, 1fr); } .fcard:nth-child(n) { grid-column: auto; } }

/* ───────── Tek panel, her kanal ───────── */
.hub-sec { background: var(--surface-2); }
.hub-wrap { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: var(--space-12); align-items: center; }
.hub-copy { display: grid; gap: var(--space-5); justify-items: start; }
.hub { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: center; gap: var(--space-5); }
.hub-core { grid-column: 2; grid-row: 1; display: grid; justify-items: center; gap: var(--space-2); padding: var(--space-5); border-radius: var(--radius-xl); background: var(--hero); color: var(--hero-ink); box-shadow: var(--shadow-3); position: relative; z-index: 1; }
.hub-core svg { width: 72px; height: 72px; color: #FFFFFF; }
.hub-core b { font: 600 var(--size-step--1)/1.2 var(--font-display); white-space: nowrap; }
.hub-core::before { content: ""; position: absolute; inset: -10px; border-radius: calc(var(--radius-xl) + 10px); border: 2px dashed color-mix(in srgb, var(--navy) 35%, transparent); animation: spin 30s linear infinite; }
@keyframes spin { to { rotate: 1turn; } }
.hub-list { display: contents; list-style: none; }
.hub-list li { display: grid; gap: 2px; padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--flow); font-size: var(--size-step--2); color: var(--ink-muted); line-height: 1.35; }
.hub-list b { font-size: var(--size-step--1); color: var(--ink); }
.hub-list li:nth-child(-n+5) { grid-column: 1; }
.hub-list li:nth-child(n+6) { grid-column: 3; }
.hub-list li:nth-child(5n+1) { grid-row: 1; } .hub-list li:nth-child(5n+2) { grid-row: 2; } .hub-list li:nth-child(5n+3) { grid-row: 3; }
.hub-list li:nth-child(5n+4) { grid-row: 4; } .hub-list li:nth-child(5n) { grid-row: 5; }
.hub-core { grid-row: 1 / span 5; }
@media (max-width: 980px) { .hub-wrap { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 600px) {
  .hub { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .hub-core { grid-column: 1 / -1; grid-row: auto; }
  .hub-list li:nth-child(n) { grid-column: auto; grid-row: auto; }
}

/* ───────── Sektörler ───────── */
.sgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: var(--space-4); }
.scard { display: grid; align-content: start; gap: var(--space-2); padding: var(--space-5) var(--space-6); border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--line); position: relative; }
.scard::before { content: ""; width: 12px; height: 12px; border-radius: 3px; background: var(--navy); box-shadow: 16px 0 0 var(--navy), 0 16px 0 var(--navy), 16px 16px 0 var(--navy); transform: scale(.55); transform-origin: 0 0; margin-bottom: 4px; transition: box-shadow var(--motion-fast); }
.scard:hover::before { box-shadow: 16px 0 0 var(--navy), 0 16px 0 var(--navy), 16px 16px 0 var(--amber); }
.scard p { font-size: var(--size-step--1); color: var(--ink-muted); line-height: 1.55; }
.scard-cta { text-decoration: none; color: var(--hero-ink); background: linear-gradient(140deg, var(--hero-2), var(--hero)); border-color: transparent; }
.scard-cta::before { box-shadow: 16px 0 0 #FFF, 0 16px 0 #FFF, 16px 16px 0 var(--amber); background: #FFF; }
.scard-cta p { color: var(--hero-muted); }
.scard-cta .i { color: var(--amber); margin-top: var(--space-2); transition: transform var(--motion-fast); }
.scard-cta:hover .i { transform: translateX(4px); }

.all-sectors { margin-top: var(--space-12); padding: clamp(var(--space-6), 4vw, var(--space-12)); border-radius: var(--radius-xl); background: var(--surface-2); border: 1px solid var(--line); }
.all-head { display: grid; gap: var(--space-2); max-width: var(--layout-measure); margin-bottom: var(--space-8); }
.all-head h3 { font-size: var(--size-step-2); }
.cats { columns: 3 280px; column-gap: var(--space-8); }
.cat { break-inside: avoid; margin-bottom: var(--space-6); }
.cat h4 { font: 600 var(--size-step--2)/1 var(--font-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--amber-ink); margin-bottom: var(--space-3); }
.cat ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.cat li { padding: 5px 11px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); font-size: var(--size-step--1); line-height: 1.3; transition: border-color var(--motion-fast), color var(--motion-fast); }
.cat li:hover { border-color: var(--navy); color: var(--navy); }

/* ───────── e-Belge ───────── */
.ebelge { background: var(--surface); border-block: 1px solid var(--line); }
.ebelge-wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-12); align-items: center; }
.ebelge-copy { display: grid; gap: var(--space-5); }
@media (max-width: 900px) { .ebelge-wrap { grid-template-columns: minmax(0, 1fr); } }
.ticks { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-3); }
.ticks li { display: flex; gap: var(--space-3); align-items: start; line-height: 1.45; }
.ticks .i { color: var(--ok); margin-top: 2px; stroke-width: 2.6; }
.docs { display: grid; gap: var(--space-3); padding: var(--space-5); border-radius: var(--radius-xl); background: var(--hero); box-shadow: var(--shadow-3); position: relative; }
.docs::before { content: "e-Belge · bugün"; font: 500 var(--size-step--2)/1 var(--font-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--hero-muted); padding: 4px 4px 6px; }
.doc { display: grid; grid-template-columns: auto 1fr; grid-template-areas: "no tag" "name name"; gap: 4px var(--space-3); padding: var(--space-4); border-radius: var(--radius-md); background: var(--surface); border-left: 4px solid var(--flow); animation: slide-in 600ms cubic-bezier(.2,.8,.2,1) both; }
.doc:nth-child(2) { animation-delay: 120ms; } .doc:nth-child(3) { animation-delay: 240ms; } .doc:nth-child(4) { animation-delay: 360ms; }
@keyframes slide-in { from { opacity: 0; transform: translateX(16px); } }
.doc-no { grid-area: no; font: 500 var(--size-step--2)/1.6 var(--font-mono); color: var(--ink-muted); }
.doc b { grid-area: name; font-weight: 600; }
.tag { grid-area: tag; justify-self: end; font-size: var(--size-step--2); font-weight: 600; padding: 2px 8px; border-radius: 999px; background: var(--surface-2); color: var(--ink-muted); white-space: nowrap; }
.tag.ok { background: color-mix(in srgb, var(--ok) 14%, var(--surface)); color: var(--ok); }
.tag.link { background: var(--navy-soft); color: var(--navy); }
.doc-in { background: color-mix(in srgb, var(--surface) 90%, var(--flow-pay)); }

/* ───────── Üç adım ───────── */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-6); counter-reset: s; }
.step { counter-increment: s; display: grid; gap: var(--space-3); align-content: start; padding: var(--space-8) var(--space-6) var(--space-6); border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--line); position: relative; }
.step::before { content: "0" counter(s); font: 700 var(--size-step-4)/0.9 var(--font-display); letter-spacing: -0.05em; color: transparent; -webkit-text-stroke: 1.5px var(--navy); }
.step:nth-child(3)::before { -webkit-text-stroke-color: var(--amber-ink); }
.step + .step::after { content: ""; position: absolute; top: 50%; left: calc(-1 * var(--space-6)); width: var(--space-6); height: 2px; background: var(--line); }
@media (max-width: 820px) { .steps { grid-template-columns: minmax(0, 1fr); } .step + .step::after { display: none; } }

/* ───────── Fiyatlar: dönem seçimi yalnızca CSS :has() ile ───────── */
.pricing { background: var(--surface-2); }
.period { display: flex; width: fit-content; margin: 0 auto var(--space-8); padding: 4px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); position: relative; }
.period input { position: absolute; opacity: 0; pointer-events: none; }
.period label { display: inline-flex; align-items: center; gap: var(--space-2); padding: 10px 20px; border-radius: 999px; font-weight: 600; font-size: var(--size-step--1); cursor: pointer; color: var(--ink-muted); transition: background-color var(--motion-fast), color var(--motion-fast); }
.period label span { font-size: var(--size-step--2); font-weight: 600; padding: 2px 8px; border-radius: 999px; background: color-mix(in srgb, var(--ok) 14%, var(--surface)); color: var(--ok); }
.period input:checked + label { background: var(--navy); color: var(--on-navy); }
.period input:focus-visible + label { outline: 3px solid var(--amber); outline-offset: 2px; }
.p-ay { display: none; }
.pricing:has(#donem-ay:checked) .p-ay { display: inline; }
.pricing:has(#donem-ay:checked) .p-yil { display: none; }

.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-5); align-items: stretch; }
@media (max-width: 920px) { .plans { grid-template-columns: minmax(0, 1fr); max-width: 480px; margin-inline: auto; } }
.plan { display: flex; flex-direction: column; gap: var(--space-5); padding: var(--space-8) var(--space-6); border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--line); position: relative; }
.plan h3 { font-size: var(--size-step-2); }
.plan .btn { margin-top: auto; }
.plan .ticks { font-size: var(--size-step--1); gap: var(--space-2); }
.price { font: 700 var(--size-step-3)/1 var(--font-display); letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.price small { font: 500 var(--size-step-0)/1 var(--font-body); letter-spacing: 0; color: var(--ink-muted); margin-left: 4px; }
.p-fixed { font-size: var(--size-step-2); }
.plan-for { color: var(--ink-muted); font-size: var(--size-step--1); margin-top: calc(-1 * var(--space-3)); }
.plan-tag { position: absolute; top: 0; left: 50%; translate: -50% -50%; padding: 4px 14px; border-radius: 999px; background: var(--amber); color: var(--on-amber); font-size: var(--size-step--2); font-weight: 700; letter-spacing: .02em; white-space: nowrap; z-index: 2; }

/* Öne çıkan plan: dönen konik kenarlık. @property açıyı canlandırılabilir kılar. */
@property --angle { syntax: "<angle>"; initial-value: 0deg; inherits: false; }
.plan-pick {
  border: 2px solid transparent;
  background:
    linear-gradient(var(--surface), var(--surface)) padding-box,
    conic-gradient(from var(--angle), var(--flow-sale), var(--flow-collect), var(--amber), var(--flow-pay), var(--flow-sale)) border-box;
  box-shadow: var(--shadow-3);
  animation: rotate-border 6s linear infinite;
}
@media (min-width: 921px) { .plan-pick { transform: translateY(-12px); } }
@keyframes rotate-border { to { --angle: 1turn; } }
.plans-note { text-align: center; font-size: var(--size-step--1); margin-top: var(--space-6); }

.promises { list-style: none; margin: var(--space-12) 0 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); overflow: hidden; }
.promises li { display: grid; gap: 4px; padding: var(--space-5); align-content: start; }
.promises li + li { border-left: 1px solid var(--line); }
.promises b { font: 700 var(--size-step-1)/1.1 var(--font-display); color: var(--navy); }
.promises span { font-size: var(--size-step--1); color: var(--ink-muted); line-height: 1.45; }
@media (max-width: 960px) {
  .promises { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .promises li + li { border-left: 0; }
  .promises li { border-top: 1px solid var(--line); }
  .promises li:nth-child(-n+2) { border-top: 0; }
  .promises li:nth-child(even) { border-left: 1px solid var(--line); }
}

/* ───────── SSS ───────── */
.faq-wrap { display: grid; grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr); gap: var(--space-12); align-items: start; }
.faq-wrap .section-head { position: sticky; top: 100px; margin: 0; }
@media (max-width: 900px) { .faq-wrap { grid-template-columns: minmax(0, 1fr); gap: var(--space-8); } .faq-wrap .section-head { position: static; } }
.faq-list { display: grid; gap: var(--space-3); }
.faq details { border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--line); transition: border-color var(--motion-fast), box-shadow var(--motion-fast); }
.faq details[open] { border-color: color-mix(in srgb, var(--navy) 35%, var(--line)); box-shadow: var(--shadow-2); }
.faq summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); padding: var(--space-5) var(--space-6); font: 600 var(--size-step-0)/1.35 var(--font-display); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; flex: none; width: 14px; height: 14px; border-radius: 4px; border: 2px solid var(--navy); transition: background-color var(--motion-fast), transform var(--motion-fast); }
.faq details[open] summary::after { background: var(--amber); border-color: var(--amber); transform: rotate(45deg); }
.faq details p { padding: 0 var(--space-6) var(--space-5); color: var(--ink-muted); line-height: 1.65; }
.faq ::details-content { transition: content-visibility 300ms allow-discrete, height 300ms; height: 0; overflow: clip; }
.faq details[open]::details-content { height: auto; }
@supports (interpolate-size: allow-keywords) { :root { interpolate-size: allow-keywords; } }

/* ───────── Kapanış bandı ───────── */
.closing {
  position: relative; overflow: clip; isolation: isolate; color: var(--hero-ink); text-align: center;
  background: radial-gradient(50% 80% at 50% 120%, color-mix(in srgb, var(--amber) 35%, transparent), transparent 70%), var(--hero);
  padding-block: clamp(72px, 8vw, 128px);
}
.closing::before { content: ""; position: absolute; inset: 0; z-index: -1; background-image: linear-gradient(var(--hero-line) 1px, transparent 1px), linear-gradient(90deg, var(--hero-line) 1px, transparent 1px); background-size: var(--pattern-grid) var(--pattern-grid); mask-image: radial-gradient(60% 80% at 50% 50%, #000, transparent); -webkit-mask-image: radial-gradient(60% 80% at 50% 50%, #000, transparent); }
.closing-wrap { display: grid; gap: var(--space-8); justify-items: center; }
.closing h2 { max-width: 20ch; color: var(--hero-ink); }
.closing .hero-actions { justify-content: center; }

/* ───────── Altbilgi ───────── */
.site-footer { background: var(--band); color: var(--on-band); padding-block: var(--space-16) var(--space-8); border-top: 1px solid var(--hero-line); }
.footer-top { display: grid; grid-template-columns: 1.2fr 0.8fr 0.9fr 1.4fr; gap: var(--space-8); }
@media (max-width: 860px) { .footer-top { grid-template-columns: 1fr 1fr; } .footer-brand, .footer-col:last-child { grid-column: 1 / -1; } }
.footer-brand { display: grid; gap: var(--space-4); align-content: start; }
.footer-slogan { color: var(--on-band-muted); font-size: var(--size-step--1); }
.footer-col h3 { font: 600 var(--size-step--2)/1 var(--font-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--on-band-muted); margin-bottom: var(--space-4); }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-2); }
.footer-col a { color: var(--on-band); text-decoration: none; font-size: var(--size-step--1); }
.footer-col a:hover { color: var(--amber); }
.footer-note { color: var(--on-band-muted); font-size: var(--size-step--2); }
.contact { font-style: normal; display: grid; gap: var(--space-3); font-size: var(--size-step--1); }
.contact a, .contact span { display: flex; gap: var(--space-2); align-items: start; color: var(--on-band); text-decoration: none; line-height: 1.45; }
.contact a:hover { color: var(--amber); }
.contact .i { color: var(--amber); margin-top: 2px; }
.contact .footer-note { color: var(--on-band-muted); }

.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-4); margin-top: var(--space-12); padding-top: var(--space-6); border-top: 1px solid color-mix(in srgb, var(--on-band) 14%, transparent); font-size: var(--size-step--2); color: var(--on-band-muted); }

/* Kaydırınca beliren bölümler (destekleyen tarayıcılarda) */
@supports (animation-timeline: view()) {
  .fcard, .scard, .step, .plan, .promises, .cat {
    animation: rise linear both; animation-timeline: view(); animation-range: entry 0% entry 40%;
  }
  .plan-pick { animation: rise linear both, rotate-border 6s linear infinite; animation-timeline: view(), auto; animation-range: entry 0% entry 40%, normal; }
  @keyframes rise { from { opacity: 0; translate: 0 24px; } }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

@media print {
  .site-header, .float, .hero-actions, .closing, .period { display: none; }
  .hero, .site-footer { background: none; color: #000; }
  .p-ay { display: inline; }
}