/* LoccanPay · Faz 1 prototip stilleri */

:root {
  --navy-950: #07142B;
  --navy-900: #0B1F3F;
  --navy-800: #13305A;
  --navy-700: #1E4272;
  --teal: #2FD4C4;
  --teal-deep: #0E7C72;
  --teal-soft: #D5F5F1;
  --paper: #F6F3EC;
  --paper-2: #EDE8DD;
  --white: #FFFDF8;
  --ink: #0B1F3F;
  --muted: #4E5E75;
  --muted-on-dark: #A9B7CC;
  --line: rgba(11, 31, 63, .12);
  --line-on-dark: rgba(246, 243, 236, .14);
  --warn: #F2C14E;

  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Hanken Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, Consolas, monospace;

  --radius: 18px;
  --radius-sm: 10px;
  --shadow: 0 24px 60px -24px rgba(7, 20, 43, .45);
  --wrap: 1180px;
  --gutter: clamp(16px, 4vw, 40px);
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.6 var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.08; letter-spacing: -.02em; margin: 0 0 .5em; }
h2 { font-size: clamp(2rem, 4.2vw, 3.2rem); }
h3 { font-size: 1.35rem; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
a { color: inherit; }
button { font: inherit; }
.mono { font-family: var(--font-mono); font-weight: 500; font-variant-numeric: tabular-nums; letter-spacing: -.01em; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.narrow { max-width: 820px; }

:focus-visible { outline: 3px solid var(--teal); outline-offset: 3px; border-radius: 6px; }
.skip-link { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--teal); color: var(--navy-950); padding: 10px 14px; border-radius: 8px; font-weight: 600; }
.skip-link:focus { top: 12px; }

/* ---------- Etiketler ---------- */
.tag {
  display: inline-flex; align-items: center; gap: .3em;
  font: 600 .7rem/1 var(--font-body); letter-spacing: .08em; text-transform: uppercase;
  padding: .45em .7em; border-radius: 999px;
  border: 1px solid var(--line); color: var(--muted); background: transparent;
  white-space: nowrap; vertical-align: middle;
}
.tag--solid { background: var(--teal); color: var(--navy-950); border-color: transparent; }
.tag--concept { background: var(--teal-soft); color: var(--teal-deep); border-color: transparent; }
.tag--onDark { color: var(--muted-on-dark); border-color: var(--line-on-dark); }
.tag--warn { background: var(--warn); color: #3A2A00; border-color: transparent; }
.tag--sm { font-size: .6rem; padding: .35em .55em; }

/* ---------- Prototip şeridi ---------- */
.proto-bar {
  background: var(--navy-950); color: var(--muted-on-dark);
  font-size: .82rem; text-align: center; padding: 8px var(--gutter);
  display: flex; gap: 10px; align-items: center; justify-content: center; flex-wrap: wrap;
  border-bottom: 1px solid var(--line-on-dark);
}

/* ---------- Butonlar ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  min-height: 44px; padding: 0 1.2em; border-radius: 999px;
  font-weight: 600; font-size: .95rem; text-decoration: none; cursor: pointer;
  border: 1.5px solid transparent;
  transition: transform .2s var(--ease), background .2s, color .2s, border-color .2s, box-shadow .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn--lg { min-height: 52px; padding: 0 1.5em; font-size: 1rem; }
.btn--primary { background: var(--teal); color: var(--navy-950); box-shadow: 0 8px 24px -10px rgba(47, 212, 196, .7); }
.btn--primary:hover { background: #4FE0D2; }
.btn--ghost { background: transparent; color: var(--paper); }
.btn--ghost:hover { background: rgba(246, 243, 236, .08); }
.btn--ghost .tag { color: var(--muted-on-dark); border-color: var(--line-on-dark); font-size: .58rem; }
.btn--line { background: transparent; color: var(--paper); border-color: rgba(246, 243, 236, .35); }
.btn--line:hover { border-color: var(--teal); color: var(--teal); }

/* ---------- Üst menü ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(7, 20, 43, .88);
  backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--line-on-dark);
  color: var(--paper);
}
.header-inner { display: flex; align-items: center; gap: 24px; min-height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--paper); }
.brand-mark { width: 34px; height: 34px; color: var(--navy-800); }
.brand-word { font-family: var(--font-display); font-size: 1.4rem; font-weight: 600; letter-spacing: -.02em; }
.brand-word em { font-style: italic; font-weight: 400; color: var(--teal); }
.brand-word--sm { font-size: 1.05rem; }
.brand-word--onDark { color: var(--paper); font-size: 1.6rem; }

.site-nav { display: flex; align-items: center; gap: 24px; margin-left: auto; }
.nav-links { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  display: block; padding: 10px 14px; border-radius: 999px;
  text-decoration: none; font-weight: 500; font-size: .95rem; color: var(--muted-on-dark);
  transition: color .2s, background .2s;
}
.nav-links a:hover { color: var(--paper); background: rgba(246, 243, 236, .06); }
.nav-cta { display: flex; gap: 8px; align-items: center; }

.nav-toggle {
  display: none; margin-left: auto; width: 44px; height: 44px; border-radius: 12px;
  background: transparent; border: 1px solid var(--line-on-dark); cursor: pointer; position: relative;
}
.nav-toggle-bar, .nav-toggle-bar::before, .nav-toggle-bar::after {
  position: absolute; left: 11px; width: 20px; height: 2px; background: var(--paper); border-radius: 2px;
  transition: transform .25s var(--ease), opacity .2s;
}
.nav-toggle-bar { top: 21px; }
.nav-toggle-bar::before, .nav-toggle-bar::after { content: ""; left: 0; }
.nav-toggle-bar::before { top: -6px; }
.nav-toggle-bar::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; isolation: isolate;
  background:
    radial-gradient(900px 520px at 85% 10%, rgba(47, 212, 196, .16), transparent 60%),
    radial-gradient(700px 500px at 0% 100%, rgba(30, 66, 114, .7), transparent 70%),
    var(--navy-950);
  color: var(--paper);
  padding: clamp(56px, 9vw, 120px) 0 clamp(72px, 10vw, 140px);
}
.hero::after { /* ince grenli doku */
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: .07; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.flow { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; }
.flow-line {
  fill: none; stroke: var(--teal); stroke-width: 1.5; opacity: .5;
  stroke-dasharray: 2200; stroke-dashoffset: 2200;
  animation: draw 3.2s var(--ease) .3s forwards;
}
.flow-line--2 { opacity: .22; animation-delay: .6s; }
.flow-line--3 { opacity: .14; stroke-width: 1; animation-delay: .9s; }
@keyframes draw { to { stroke-dashoffset: 0; } }

.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(40px, 6vw, 80px); align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; flex-wrap: wrap;
  font-size: .78rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--teal); margin-bottom: 1.4em;
}
.eyebrow--dark { color: var(--teal-deep); }
.hero h1 { font-size: clamp(2.6rem, 6.4vw, 5.2rem); font-weight: 400; letter-spacing: -.035em; margin-bottom: .45em; }
.hero h1 .accent { font-style: italic; color: var(--teal); }
.lede { font-size: clamp(1.05rem, 1.5vw, 1.2rem); color: var(--muted-on-dark); max-width: 34em; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin: 2em 0 1.2em; }
.fineprint { font-size: .82rem; color: var(--muted-on-dark); opacity: .85; margin: 0; }
.fineprint--dark { color: var(--muted); margin-top: 1.2em; }

.reveal-load { opacity: 0; transform: translateY(18px); animation: rise .9s var(--ease) forwards; animation-delay: calc(var(--d) * 110ms + 100ms); }
@keyframes rise { to { opacity: 1; transform: none; } }

/* Telefon mockup'ı (CSS ile özgün çizim) */
.hero-visual { position: relative; justify-self: center; width: min(100%, 360px); }
.device {
  position: relative; border-radius: 42px; padding: 12px;
  background: linear-gradient(160deg, #1d3a66, #0a1a35 60%);
  box-shadow: var(--shadow), inset 0 0 0 1px rgba(255, 255, 255, .08);
  transform: rotate(-3deg);
}
.device-screen {
  border-radius: 32px; padding: 22px 20px 20px; min-height: 520px;
  background: linear-gradient(180deg, var(--white), var(--paper));
  color: var(--ink);
  display: flex; flex-direction: column; gap: 18px;
}
.app-top { display: flex; justify-content: space-between; align-items: center; font-weight: 600; font-size: .9rem; }
.app-top .tag--onDark { color: var(--muted); border-color: var(--line); font-size: .58rem; }
.app-total {
  background: var(--navy-900); color: var(--paper); border-radius: 20px; padding: 18px;
  display: grid; gap: 4px; position: relative; overflow: hidden;
}
.app-total::after {
  content: ""; position: absolute; right: -40px; top: -40px; width: 140px; height: 140px; border-radius: 50%;
  border: 18px solid rgba(47, 212, 196, .22);
}
.app-label { font-size: .78rem; color: var(--muted-on-dark); }
.app-amount { font-size: 1.75rem; }
.app-sub { font-size: .7rem; color: var(--muted-on-dark); }
.app-assets { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.app-assets li { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 12px; padding: 10px 4px; border-bottom: 1px solid var(--line); font-size: .9rem; font-weight: 500; }
.app-assets li:last-child { border-bottom: 0; }
.app-assets .mono { font-size: .85rem; }
.chip { width: 32px; height: 32px; border-radius: 10px; display: grid; place-items: center; font-weight: 700; font-size: .85rem; }
.chip--try { background: var(--teal-soft); color: var(--teal-deep); }
.chip--usd { background: #E3EAF6; color: var(--navy-700); }
.chip--eur { background: #EFE6D2; color: #6E5418; }
.chip--dig { background: var(--navy-900); color: var(--teal); }
.app-actions { margin-top: auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.app-actions span { text-align: center; padding: 12px 0; border-radius: 14px; background: var(--paper-2); font-weight: 600; font-size: .85rem; }
.app-actions span:last-child { background: var(--teal); color: var(--navy-950); }

.float-card {
  position: absolute; display: flex; align-items: center; gap: 12px;
  background: rgba(255, 253, 248, .96); color: var(--ink);
  border-radius: 16px; padding: 12px 16px; box-shadow: var(--shadow);
  font-size: .85rem; animation: bob 6s ease-in-out infinite;
}
.float-card strong { display: block; font-size: .88rem; }
.float-card small { color: var(--muted); }
.float-card--a { left: -48px; bottom: 96px; }
.float-card--b { right: -28px; top: 60px; flex-direction: column; align-items: flex-start; gap: 2px; background: var(--warn); animation-delay: -3s; }
.float-card--b small { color: #3A2A00; }
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot--ok { background: var(--teal); box-shadow: 0 0 0 5px rgba(47, 212, 196, .2); }
@keyframes bob { 50% { transform: translateY(-8px); } }

/* ---------- Bölümler ---------- */
.section { padding: clamp(72px, 10vw, 128px) 0; }
.section--tint { background: var(--paper-2); }
.section--ink { background: var(--navy-950); color: var(--paper); }
.section-head { max-width: 720px; margin-bottom: clamp(36px, 5vw, 56px); }
.section-head p:last-child { color: var(--muted); font-size: 1.08rem; }
.section-head--onDark p:last-child { color: var(--muted-on-dark); }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

/* Ürünler: bento ızgara */
.bento { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.tile {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; display: flex; flex-direction: column; gap: 10px; position: relative; overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s;
}
.tile:hover { transform: translateY(-3px); box-shadow: 0 18px 40px -26px rgba(7, 20, 43, .5); }
.tile .tag { align-self: flex-start; }
.tile h3 { margin: 6px 0 0; }
.tile p { color: var(--muted); margin: 0; }
.tile--wide { grid-column: span 2; }
.tile--ink { background: var(--navy-900); color: var(--paper); border-color: transparent; }
.tile--ink p { color: var(--muted-on-dark); }
.mini-bars { display: flex; align-items: flex-end; gap: 8px; height: 72px; margin-top: auto; padding-top: 16px; }
.mini-bars i { flex: 1; height: var(--h); border-radius: 6px 6px 2px 2px; background: linear-gradient(180deg, var(--teal), var(--teal-soft)); }
.fx-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: auto; padding-top: 16px; }
.fx-row span { padding: 8px 14px; border-radius: 999px; border: 1px solid var(--line-on-dark); font-size: .8rem; }
.fx-row span:first-child { background: var(--teal); color: var(--navy-950); border-color: transparent; }

/* Bireysel ve Güvenlik: ikili düzen */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 96px); align-items: center; }
.split > div > p { color: var(--muted); font-size: 1.08rem; }
.checklist { list-style: none; padding: 0; margin: 1.6em 0 0; display: grid; gap: 14px; }
.checklist li { padding-left: 34px; position: relative; color: var(--muted); }
.checklist li strong { color: var(--ink); }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: 3px; width: 20px; height: 20px; border-radius: 6px;
  background: var(--teal-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' fill='none' stroke='%230E7C72' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat;
}

.ledger { background: var(--white); border-radius: 24px; padding: 24px; box-shadow: var(--shadow); border: 1px solid var(--line); }
.ledger-head { display: flex; justify-content: space-between; align-items: center; font-weight: 600; margin-bottom: 8px; }
.ledger-list { list-style: none; margin: 0; padding: 0; }
.ledger-list li { display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--line); }
.ledger-list li:last-child { border-bottom: 0; }
.ledger-list strong { display: block; font-size: .95rem; }
.ledger-list small { color: var(--muted); font-size: .8rem; }
.ledger-list .mono { font-size: .9rem; }
.ledger-list .pos { color: var(--teal-deep); }
.ledger-ico { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 12px; background: var(--paper-2); font-size: 1.05rem; }

/* İşletmeler */
.biz-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line-on-dark); border: 1px solid var(--line-on-dark); border-radius: var(--radius); overflow: hidden; }
.biz { background: var(--navy-950); padding: 28px 24px; display: flex; flex-direction: column; gap: 8px; transition: background .3s; }
.biz:hover { background: var(--navy-900); }
.biz-num { color: var(--teal); font-size: .85rem; }
.biz h3 { margin: 10px 0 0; font-size: 1.2rem; }
.biz p { color: var(--muted-on-dark); font-size: .95rem; margin: 0 0 12px; }
.biz .tag { margin-top: auto; align-self: flex-start; }

/* QR demo */
.qr-demo {
  margin-top: clamp(40px, 6vw, 72px);
  border-radius: 28px; padding: clamp(20px, 4vw, 44px);
  background: linear-gradient(150deg, var(--navy-800), var(--navy-900) 55%);
  border: 1px solid var(--line-on-dark);
}
.qr-demo-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }
.qr-demo-head h3 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
.qr-demo-head p { color: var(--muted-on-dark); margin: 0; }
.qr-demo-head .tag--warn { font-size: .78rem; padding: .6em .9em; }
.qr-demo-body { display: grid; grid-template-columns: 1fr minmax(280px, 380px); gap: clamp(24px, 4vw, 56px); align-items: start; }

.qr-form { display: grid; gap: 16px; }
.field { display: grid; gap: 6px; }
.field-row { display: grid; grid-template-columns: 1fr 120px; gap: 12px; }
.field label { font-weight: 600; font-size: .9rem; }
.field .opt { font-weight: 400; color: var(--muted-on-dark); }
.field input, .field select {
  width: 100%; min-height: 48px; padding: 0 14px; border-radius: 12px;
  background: rgba(7, 20, 43, .55); color: var(--paper);
  border: 1.5px solid var(--line-on-dark); font: 500 1rem var(--font-body);
  transition: border-color .2s, background .2s;
}
.field input::placeholder { color: #6F809B; }
.field input:hover, .field select:hover { border-color: rgba(246, 243, 236, .3); }
.field input:focus, .field select:focus { outline: none; border-color: var(--teal); background: rgba(7, 20, 43, .8); }
.field input[aria-invalid="true"] { border-color: #FF8A7A; }
.field select { appearance: none; -webkit-appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%232FD4C4' stroke-width='2'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; background-size: 12px; }
.field select option { color: var(--ink); }
.hint { font-size: .82rem; color: var(--muted-on-dark); margin: -6px 0 0; }
.form-error { color: #FFB4A8; font-size: .9rem; margin: 0; font-weight: 500; }
.form-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.privacy-note { font-size: .82rem; color: var(--muted-on-dark); margin: 0; padding: 12px 14px; border-radius: 12px; border: 1px dashed var(--line-on-dark); }

.pay-card {
  background: var(--white); color: var(--ink); border-radius: 24px; padding: 22px;
  box-shadow: 0 30px 70px -30px rgba(0, 0, 0, .7); position: relative;
  transition: transform .4s var(--ease);
}
.pay-card.is-pulse { animation: pulse .5s var(--ease); }
@keyframes pulse { 40% { transform: scale(1.015); } }
.pay-card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.pay-card .brand-word em { color: var(--teal-deep); }
.biz-badge { font: 600 .62rem var(--font-body); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-left: 4px; vertical-align: middle; }
.pay-merchant { font-family: var(--font-display); font-size: 1.45rem; font-weight: 600; margin: 0; line-height: 1.2; overflow-wrap: anywhere; }
.pay-desc { color: var(--muted); font-size: .9rem; margin: 4px 0 10px; min-height: 1.4em; overflow-wrap: anywhere; }
.pay-amount { font-size: 2rem; margin: 0 0 16px; color: var(--navy-900); }
.is-empty { opacity: .45; }

.qr-area {
  position: relative; aspect-ratio: 1; border-radius: 18px; overflow: hidden;
  background: var(--paper); border: 1.5px dashed rgba(11, 31, 63, .25);
  display: grid; place-items: center;
}
.qr-area svg { width: 82%; height: 82%; }
.qr-stamp {
  position: absolute; padding: 8px 14px; border-radius: 10px;
  background: rgba(255, 253, 248, .94); border: 1.5px solid var(--navy-900);
  font: 600 .72rem/1.3 var(--font-body); letter-spacing: .1em; text-transform: uppercase; text-align: center;
  transform: rotate(-8deg);
}
.pay-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 16px 0 0; }
.pay-meta div { background: var(--paper); border-radius: 12px; padding: 10px 12px; }
.pay-meta dt { font-size: .7rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.pay-meta dd { margin: 2px 0 0; font-size: .88rem; font-weight: 600; }
.pay-foot { font-size: .76rem; color: var(--muted); margin: 14px 0 0; }

/* Nasıl çalışır */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: s; position: relative; }
.steps::before { content: ""; position: absolute; top: 28px; left: 8%; right: 8%; border-top: 2px dashed rgba(14, 124, 114, .35); z-index: 0; }
.step { position: relative; z-index: 1; }
.step-n {
  width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center;
  background: var(--navy-900); color: var(--teal); font: 400 1.5rem var(--font-display); margin-bottom: 20px;
  box-shadow: 0 0 0 8px var(--paper);
}
.step p { color: var(--muted); }

/* Güvenlik */
.split--flip { align-items: start; }
.principles { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.principles li { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; border-top: 3px solid var(--teal); }
.principles h3 { font-size: 1.15rem; }
.principles p { margin: 0; color: var(--muted); font-size: .95rem; }

/* SSS */
.faq { display: grid; gap: 10px; }
.faq details { background: var(--white); border: 1px solid var(--line); border-radius: 16px; transition: border-color .2s; }
.faq details[open] { border-color: rgba(14, 124, 114, .45); }
.faq summary {
  cursor: pointer; list-style: none; padding: 20px 56px 20px 22px; position: relative;
  font-weight: 600; font-size: 1.05rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%);
  width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center;
  background: var(--teal-soft); color: var(--teal-deep); font-size: 1.2rem; transition: transform .25s var(--ease);
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { padding: 0 22px 20px; margin: 0; color: var(--muted); }

/* Alt bilgi */
.site-footer { background: var(--navy-950); color: var(--muted-on-dark); padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; padding-bottom: 36px; border-bottom: 1px solid var(--line-on-dark); }
.footer-grid p { max-width: 38em; }
.footer-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; justify-items: start; }
.linklike { background: none; border: 0; padding: 4px 0; color: var(--paper); cursor: pointer; text-decoration: underline; text-decoration-color: var(--line-on-dark); text-underline-offset: 4px; }
.linklike:hover { text-decoration-color: var(--teal); }
.footer-base { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 24px; font-size: .82rem; }
.footer-base p { margin: 0; }

/* Modal */
.modal { border: 0; padding: 0; border-radius: 22px; max-width: min(440px, calc(100vw - 32px)); background: var(--white); color: var(--ink); box-shadow: var(--shadow); }
.modal::backdrop { background: rgba(7, 20, 43, .6); backdrop-filter: blur(4px); }
.modal-inner { padding: 28px; display: grid; gap: 12px; justify-items: start; }
.modal-inner h2 { font-size: 1.7rem; margin: 6px 0 0; }
.modal-inner p { color: var(--muted); margin: 0 0 8px; }

/* ---------- Duyarlı düzen ---------- */
@media (max-width: 1080px) {
  .biz-grid { grid-template-columns: repeat(2, 1fr); }
  .float-card--a { left: -16px; }
  .float-card--b { right: -8px; }
}

@media (max-width: 960px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 16px;
    background: var(--navy-950); padding: 16px var(--gutter) 24px;
    border-bottom: 1px solid var(--line-on-dark);
    display: none;
  }
  .site-nav.is-open { display: flex; }
  .nav-links { flex-direction: column; }
  .nav-links a { padding: 14px 12px; font-size: 1.05rem; border-radius: 12px; }
  .nav-cta { flex-direction: column; align-items: stretch; }
  .nav-cta .btn { min-height: 48px; }

  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { margin-top: 12px; }
  .split { grid-template-columns: 1fr; }
  .qr-demo-body { grid-template-columns: 1fr; }
  .pay-card { max-width: 420px; width: 100%; justify-self: center; }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .bento { grid-template-columns: 1fr; }
  .tile--wide { grid-column: auto; }
  .steps { grid-template-columns: 1fr; gap: 32px; }
  .steps::before { top: 0; bottom: 0; left: 27px; right: auto; border-top: 0; border-left: 2px dashed rgba(14, 124, 114, .35); }
  .step { padding-left: 80px; }
  .step-n { position: absolute; left: 0; top: 0; }
  .principles { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .float-card--a { left: -6px; bottom: 60px; }
  .float-card--b { right: -4px; top: 30px; }
  .device-screen { min-height: 470px; }
}

@media (max-width: 520px) {
  .biz-grid { grid-template-columns: 1fr; }
  .hero-ctas .btn { width: 100%; }
  .form-actions .btn { flex: 1 1 auto; }
  .field-row { grid-template-columns: 1fr 100px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .flow-line { stroke-dashoffset: 0; }
  .reveal, .reveal-load { opacity: 1; transform: none; }
}