/* ==========================================================================
   QP Solid Systems - Genel arayuz
   Tasarim ilkesi: agirlikli tipografi, net cizgiler, kurumsal ritim.
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16.5px;
  line-height: 1.68;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "kern" 1, "liga" 1, "cv11" 1;
  transition: background-color .3s var(--ease), color .3s var(--ease);
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
::selection { background: var(--brand-600); color: #fff; }

h1, h2, h3, h4 { font-weight: 750; line-height: 1.14; letter-spacing: -0.025em; margin: 0 0 .55em; }
h1 { font-size: clamp(2.4rem, 4.6vw, 3.9rem); letter-spacing: -0.035em; }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); }
h3 { font-size: 1.18rem; letter-spacing: -0.015em; }
p  { margin: 0 0 1.1em; }

/* ------------------------------------------------------------------ layout */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 28px; }

.section { padding: 104px 0; }
.section--tight { padding: 72px 0; }
.section--sunken { background: var(--bg-sunken); border-block: 1px solid var(--border); }

.section-head { max-width: 680px; margin-bottom: 56px; }
.section-head p { margin-bottom: 0; }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.eyebrow--literal, .brand__sub--literal { text-transform: none; }
.eyebrow::before {
  content: "";
  width: 28px; height: 2px;
  background: currentColor;
  flex: none;
}
.eyebrow--center { justify-content: center; }

.lead { font-size: 1.12rem; color: var(--text-muted); line-height: 1.7; }
.serif-tagline { font-family: var(--font-serif); font-style: italic; letter-spacing: -0.01em; }

.grid { display: grid; gap: 1px; }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 24px; }
.grid--gap { gap: 24px; }

/* ---------------------------------------------------------------- butonlar */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 4px;
  border: 1px solid transparent;
  font-weight: 650;
  font-size: .94rem;
  letter-spacing: .01em;
  cursor: pointer;
  text-decoration: none;
  transition: background-color .2s var(--ease), border-color .2s, color .2s, box-shadow .2s, transform .15s var(--ease);
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn svg { flex: none; transition: transform .25s var(--ease); }
.btn:hover svg { transform: translateX(3px); }

.btn--primary { background: var(--brand-600); color: #fff; }
.btn--primary:hover { background: var(--brand-500); box-shadow: 0 10px 26px -12px var(--brand-500); }
.btn--ghost { border-color: rgba(255,255,255,.4); color: #fff; }
.btn--ghost:hover { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.7); }
.btn--outline { border-color: var(--border-strong); color: var(--text); background: transparent; }
.btn--outline:hover { background: var(--surface-hover); border-color: var(--text-muted); }
.btn--sm { padding: 8px 15px; font-size: .84rem; }
.btn--danger { background: var(--danger); color: #fff; }
.btn--danger:hover { filter: brightness(1.08); }

.link-arrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 650; font-size: .92rem; color: var(--accent);
}
.link-arrow:hover { text-decoration: none; }
.link-arrow svg { transition: transform .25s var(--ease); }
.link-arrow:hover svg { transform: translateX(4px); }

/* ------------------------------------------------------------------ header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: var(--header-bg);
  backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s, box-shadow .25s, background-color .25s;
}
.site-header.is-stuck { border-bottom-color: var(--border); box-shadow: var(--shadow-sm); }
.site-header .container { display: flex; align-items: center; gap: 28px; }

.brand { display: flex; align-items: center; gap: 13px; text-decoration: none; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand img { width: 135px; height: 135px; object-fit: contain; }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__name { font-weight: 750; font-size: 1.03rem; letter-spacing: -0.02em; }
.brand__sub {
  font-size: .63rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--text-muted); font-weight: 600;
}

.main-nav { display: flex; gap: 2px; margin-left: auto; }
.main-nav a {
  position: relative;
  padding: 9px 15px;
  color: var(--text-muted);
  font-size: .93rem;
  font-weight: 550;
  text-decoration: none;
  border-radius: 4px;
  transition: color .2s, background-color .2s;
}
.main-nav a:hover { color: var(--text); background: var(--surface-hover); text-decoration: none; }
.main-nav a.is-active { color: var(--text); font-weight: 700; }
.main-nav a.is-active::after {
  content: "";
  position: absolute; left: 15px; right: 15px; bottom: 1px;
  height: 2px; border-radius: 2px;
  background: var(--accent);
}

.header-actions { display: flex; align-items: center; gap: 10px; padding-left: 20px; border-left: 1px solid var(--border); }
.header-actions .btn { padding: 10px 18px; font-size: .88rem; }

.theme-toggle {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: background-color .2s, color .2s, border-color .2s;
}
.theme-toggle:hover { background: var(--surface-hover); color: var(--text); border-color: var(--border-strong); }
.theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-sun { display: block; }
  :root:not([data-theme="light"]) .theme-toggle .icon-moon { display: none; }
}

.nav-toggle {
  display: none; width: 40px; height: 40px;
  border: 1px solid var(--border); background: transparent;
  border-radius: 4px; color: var(--text); cursor: pointer;
}

/* -------------------------------------------------------------------- hero */
.hero {
  position: relative;
  background: var(--hero-bg);
  color: #fff;
  overflow: hidden;
  border-bottom: 1px solid var(--brand-700);
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(140,150,172,.075) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140,150,172,.075) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 90% 70% at 72% 32%, #000 0%, transparent 74%);
}
.hero__glow {
  position: absolute;
  right: -6%; top: -28%;
  width: 720px; height: 720px;
  background: radial-gradient(circle, rgba(79,127,209,.28) 0%, transparent 62%);
  pointer-events: none;
}
.hero__mark {
  position: absolute;
  right: 4%; top: 50%;
  transform: translateY(-50%);
  width: min(460px, 38vw);
  opacity: .16;
  filter: grayscale(.2) brightness(1.7);
  pointer-events: none;
  animation: markFloat 14s ease-in-out infinite;
}
@keyframes markFloat {
  0%, 100% { transform: translateY(-50%) scale(1); }
  50%      { transform: translateY(-53%) scale(1.02); }
}
.hero .container { position: relative; z-index: 2; }

.hero__inner { padding: 130px 0 0; max-width: 780px; }
.hero .eyebrow { color: var(--brand-200); }
.hero h1 { color: #fff; max-width: 15ch; margin-bottom: .5em; }
.hero__sub { font-size: 1.16rem; max-width: 56ch; color: rgba(232,237,246,.82); margin-bottom: 36px; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Hero'yu yere basan istatistik seridi */
.hero__band {
  position: relative;
  z-index: 2;
  margin-top: 88px;
  border-top: 1px solid rgba(140,150,172,.22);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}
.hero__stat {
  padding: 30px 32px 34px;
  border-right: 1px solid rgba(140,150,172,.22);
}
.hero__stat:last-child { border-right: none; }
.hero__stat strong {
  display: block; font-size: 1.9rem; font-weight: 750;
  letter-spacing: -0.03em; color: #fff; line-height: 1.1; margin-bottom: 4px;
}
.hero__stat span { font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--brand-200); }

.hero--compact .hero__inner { padding: 96px 0 96px; }
.hero--compact h1 { max-width: 18ch; }

/* ------------------------------------------------------------------- kartlar
   Kartlar 1px ag uzerinde oturur: dagilmis kutular yerine saglam bir tablo   */
.card-grid {
  border: 1px solid var(--border);
  background: var(--border);
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  border-radius: var(--radius);
  overflow: hidden;
}
.card {
  position: relative;
  background: var(--surface);
  padding: 38px 34px 34px;
  transition: background-color .25s var(--ease);
}
.card::before {
  content: "";
  position: absolute; left: 0; top: 0; height: 2px; width: 0;
  background: linear-gradient(90deg, var(--brand-500), var(--accent));
  transition: width .4s var(--ease);
}
.card:hover { background: var(--surface-hover); }
.card:hover::before { width: 100%; }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--text-muted); margin: 0; font-size: .96rem; }
.card__index {
  position: absolute; top: 30px; right: 30px;
  font-size: .72rem; font-weight: 700; letter-spacing: .12em;
  color: var(--text-muted); opacity: .55;
}
.card__icon {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  color: var(--accent);
  background: var(--accent-soft);
  margin-bottom: 22px;
}

/* Bagimsiz (cerceveli) kart */
.card--solo {
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

/* Icerik karti (haber / portfolyo) */
.tile {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  color: inherit;
  text-decoration: none;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.tile:hover {
  text-decoration: none;
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-strong);
}
.tile__media { aspect-ratio: 16/10; overflow: hidden; background: var(--bg-sunken); border-bottom: 1px solid var(--border); }
.tile__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.tile:hover .tile__media img { transform: scale(1.045); }
.tile__body { padding: 28px 26px; display: flex; flex-direction: column; flex: 1; }
.tile__meta {
  font-size: .72rem; font-weight: 650; text-transform: uppercase;
  letter-spacing: .14em; color: var(--text-muted); margin-bottom: 12px;
}
.tile h3 { margin-bottom: 10px; }
.tile p { color: var(--text-muted); font-size: .95rem; margin: 0; }
.tile__foot { margin-top: auto; padding-top: 20px; }
.metric {
  display: inline-block; padding: 6px 13px; border-radius: 3px;
  background: var(--accent-soft); color: var(--accent);
  font-size: .78rem; font-weight: 700; letter-spacing: .02em;
}

/* ------------------------------------------------------------- yaklasim/adim */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0;
  border-top: 1px solid var(--border);
}
.step { padding: 34px 30px 30px 0; border-right: 1px solid var(--border); }
.step:last-child { border-right: none; padding-right: 0; }
.step__no {
  font-size: .76rem; font-weight: 750; letter-spacing: .14em;
  color: var(--accent); margin-bottom: 14px; display: block;
}
.step h3 { font-size: 1.05rem; margin-bottom: 8px; }
.step p { color: var(--text-muted); font-size: .93rem; margin: 0; }

/* ------------------------------------------------------------ sektor seridi */
.sectors { display: flex; flex-wrap: wrap; gap: 10px; }
.sectors span {
  padding: 9px 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: .85rem;
  font-weight: 550;
  color: var(--text-muted);
  background: var(--surface);
}

/* --------------------------------------------------------------- icerik/CTA */
.prose { max-width: 72ch; font-size: 1.04rem; }
.prose h2 { margin-top: 1.7em; }
.prose h3 { margin-top: 1.5em; }
.prose img { border-radius: var(--radius); margin: 1.8em 0; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin-bottom: .5em; }
.prose blockquote {
  margin: 1.8em 0; padding: 6px 0 6px 24px;
  border-left: 3px solid var(--accent);
  color: var(--text); font-family: var(--font-serif); font-style: italic; font-size: 1.15rem;
}

.cta-band {
  position: relative;
  background: var(--hero-bg);
  color: #fff;
  padding: 96px 0;
  overflow: hidden;
  border-block: 1px solid var(--brand-700);
}
.cta-band::after {
  content: "";
  position: absolute; left: 50%; top: 50%;
  width: 620px; height: 620px; transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(79,127,209,.22) 0%, transparent 62%);
}
.cta-band .container { position: relative; z-index: 2; text-align: center; }
.cta-band h2 { color: #fff; max-width: 22ch; margin-inline: auto; }
.cta-band p { color: rgba(232,237,246,.78); max-width: 56ch; margin: 0 auto 32px; }

/* ------------------------------------------------------------------- footer */
/* Yatay ritim: marka + kisa tanim + iletisim tek satirda, baglantilar satir
   halinde akar. Onceki dikey 4 sutunlu kurgu ~2 ekran yer kapliyordu. */
.site-footer {
  position: relative;
  background: var(--brand-900);
  color: var(--brand-100);
  padding: 52px 0 22px;
  overflow: hidden;
}
.site-footer::after {
  content: "";
  position: absolute; right: -70px; bottom: -90px;
  width: 300px; height: 300px;
  background: url("../assets/QP_LOGO-removebg-preview.png") no-repeat center / contain;
  opacity: .05;
  pointer-events: none;
}
.site-footer a { color: var(--brand-100); text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: none; }
.site-footer .container { position: relative; z-index: 2; }
.site-footer .brand__name { color: #fff; }
.site-footer .brand__sub { color: var(--brand-200); }

/* --- ust satir: marka | tanim | iletisim -------------------------------- */
.footer-top {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px 32px;
  padding-bottom: 26px;
  border-bottom: 1px solid rgba(140, 150, 172, .16);
}
.brand--footer { flex: none; gap: 12px; }
/* Logo koyu lacivert cizgili; koyu zeminde okunmasi icin beyaza cevrilir. */
.site-footer .brand--footer img[src*="QP_LOGO"] {
  width: 54px; height: 54px;
  filter: brightness(0) invert(1) !important;
  mix-blend-mode: normal !important;
  opacity: .94;
}
.footer-note {
  flex: 1 1 320px;
  margin: 0;
  padding-left: 32px;
  border-left: 1px solid rgba(140, 150, 172, .18);
  max-width: 52ch;
  color: var(--brand-200);
  font-size: .92rem;
  line-height: 1.6;
}
.footer-contact {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-left: auto;
}
.footer-contact a,
.footer-contact span {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 8px 14px;
  border: 1px solid rgba(140, 150, 172, .24);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .03);
  font-size: .88rem;
  white-space: nowrap;
  transition: border-color .25s var(--ease), background-color .25s var(--ease), color .25s var(--ease);
}
.footer-contact svg { color: var(--accent); flex: none; }
.footer-contact a:hover {
  border-color: var(--accent);
  background: rgba(79, 127, 209, .14);
  color: #fff;
}

/* --- baglanti satirlari: baslik solda, linkler yatay akar ---------------- */
.footer-nav {
  display: grid;
  gap: 14px 44px;
  padding: 24px 0;
}
.footer-nav__row {
  display: flex; align-items: baseline; flex-wrap: wrap;
  gap: 8px 24px;
}
.site-footer h4 {
  flex: none; width: 86px; margin: 0;
  color: #fff; font-size: .68rem; font-weight: 700;
  letter-spacing: .18em; text-transform: uppercase;
}
.footer-nav ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: 6px 24px;
  font-size: .9rem;
}
.footer-nav a { position: relative; padding-bottom: 2px; }
.footer-nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform .25s var(--ease);
}
.footer-nav a:hover::after { transform: scaleX(1); }

/* --- alt cizgi ---------------------------------------------------------- */
.footer-bottom {
  padding-top: 18px;
  border-top: 1px solid rgba(140, 150, 172, .16);
  display: flex; justify-content: space-between; gap: 8px 24px; flex-wrap: wrap;
  font-size: .82rem; color: var(--brand-200);
}
.footer-bottom__meta { letter-spacing: .12em; text-transform: uppercase; font-size: .7rem; }

@media (max-width: 900px) {
  .footer-note {
    flex-basis: 100%;
    padding-left: 0;
    border-left: 0;
    max-width: none;
  }
  .footer-contact { margin-left: 0; }
}
@media (max-width: 620px) {
  .site-footer { padding: 40px 0 20px; }
  .site-footer h4 { width: 100%; }
  .footer-contact a, .footer-contact span { white-space: normal; }
}

/* -------------------------------------------------------------------- forms */
.form-field { margin-bottom: 20px; }
.form-field label { display: block; font-weight: 650; font-size: .86rem; margin-bottom: 8px; }
.input, input[type="text"], input[type="email"], input[type="password"],
input[type="number"], input[type="file"], textarea, select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-elevated);
  color: var(--text);
  font: inherit;
  font-size: .95rem;
  transition: border-color .2s, box-shadow .2s;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
textarea { min-height: 150px; resize: vertical; }
.form-error { color: var(--danger); font-size: .84rem; margin-top: 6px; }
.checkbox { display: flex; align-items: center; gap: 10px; }
.checkbox input { width: auto; }

/* -------------------------------------------------------------------- flash */
.flash-stack { position: fixed; top: calc(var(--header-h) + 14px); right: 22px; z-index: 200; display: grid; gap: 10px; }
.flash {
  padding: 13px 20px;
  border-radius: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  box-shadow: var(--shadow-lg);
  font-size: .92rem;
  animation: flashIn .35s var(--ease);
}
.flash--success { border-left-color: var(--success); }
.flash--danger  { border-left-color: var(--danger); }
.flash--warning { border-left-color: var(--warning); }
@keyframes flashIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: none; } }

/* ------------------------------------------------------------ scroll reveal */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

/* -------------------------------------------------------------------- mobil */
@media (max-width: 980px) {
  .nav-toggle { display: grid; place-items: center; }
  .main-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    gap: 2px;
    padding: 16px 24px 26px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s var(--ease), transform .25s var(--ease);
  }
  .main-nav.is-open { opacity: 1; transform: none; pointer-events: auto; }
  .main-nav a { padding: 12px 10px; }
  .main-nav a.is-active::after { display: none; }
  .header-actions .btn { display: none; }
  .hero__mark { display: none; }
  .hero__inner { padding-top: 88px; }
  .hero__band { margin-top: 60px; }
  .hero__stat { padding: 22px 20px; border-right: none; border-bottom: 1px solid rgba(140,150,172,.2); }
  .section { padding: 68px 0; }
  .step { border-right: none; border-bottom: 1px solid var(--border); padding: 26px 0; }
  .step:last-child { border-bottom: none; }
  .cta-band { padding: 68px 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}


/* =========================================================================
   Hero gorseli, teknoloji seridi, akis semasi, sektor kartlari
   (25.08.2026 icerik ve tasarim revizyonu)
   ========================================================================= */

/* Yalnizca ekran okuyucular icin: gorsel olarak gizli, DOM'da erisilebilir */
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0; border: 0;
  clip-path: inset(50%);
  overflow: hidden; white-space: nowrap;
}

/* --- hero: metin + panel mockup ---------------------------------------- */
.hero__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 48px;
  align-items: center;
}
.hero__layout .hero__inner { padding: 118px 0 0; max-width: 640px; }
.hero__visual {
  position: relative;
  padding-top: 118px;
  animation: heroFloat 12s ease-in-out infinite;
}
.hero__visual svg {
  width: 100%; height: auto; display: block;
  filter: drop-shadow(0 26px 60px rgba(4, 10, 24, .55));
}
@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}
.hero__visual .hv-line {
  stroke-dasharray: 460;
  stroke-dashoffset: 460;
  animation: hvDraw 2.4s var(--ease) .35s forwards;
}
@keyframes hvDraw { to { stroke-dashoffset: 0; } }
.hero__visual .hv-dot { animation: hvPulse 2.6s ease-in-out 2.6s infinite; }
@keyframes hvPulse { 0%, 100% { r: 4; opacity: 1; } 50% { r: 6; opacity: .65; } }
.hero__visual .hv-flow { stroke-dasharray: 3 4; animation: hvDash 1.6s linear infinite; }
@keyframes hvDash { to { stroke-dashoffset: -14; } }
/* Hero gorseli varken logo filigrani geri cekilir */
.hero__layout ~ .hero__band { margin-top: 72px; }

@media (max-width: 980px) {
  .hero__layout { grid-template-columns: 1fr; gap: 24px; }
  .hero__layout .hero__inner { padding-top: 96px; }
  .hero__visual { padding-top: 0; max-width: 520px; }
}
@media (prefers-reduced-motion: reduce) {
  .hero__visual, .hero__visual .hv-dot, .hero__visual .hv-flow { animation: none; }
  .hero__visual .hv-line { stroke-dashoffset: 0; animation: none; }
}

/* --- hizmet kartlarinda kenar parlamasi -------------------------------- */
.card { border-radius: 2px; }
.card::after {
  content: "";
  position: absolute; inset: 0;
  border: 1px solid transparent;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--brand-500), var(--accent), var(--brand-400)) border-box;
  -webkit-mask: linear-gradient(#000 0 0) padding-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask: linear-gradient(#000 0 0) padding-box, linear-gradient(#000 0 0);
          mask-composite: exclude;
  opacity: 0;
  transition: opacity .3s var(--ease);
  pointer-events: none;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 18px 44px rgba(30, 51, 87, .16); }
.card:hover::after { opacity: 1; }
.card { transition: background-color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease); }
.card:hover .card__icon { color: var(--accent); transform: translateY(-2px); }
.card__icon { transition: color .25s var(--ease), transform .25s var(--ease); }

/* --- teknoloji seridi -------------------------------------------------- */
.tech-strip {
  margin-top: 46px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 26px;
}
.tech-strip__label {
  font-size: .72rem; font-weight: 700; letter-spacing: .16em;
  text-transform: uppercase; color: var(--text-muted);
}
.tech-list {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: 10px;
}
.tech-list li {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 15px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  font-size: .85rem; font-weight: 550; color: var(--text-muted);
  transition: border-color .25s var(--ease), color .25s var(--ease);
}
.tech-list li:hover { border-color: var(--accent); color: var(--text); }
.tech-list svg { color: var(--accent); flex: none; }

/* --- veri akis semasi -------------------------------------------------- */
.flow {
  display: flex; align-items: stretch; justify-content: center;
  flex-wrap: wrap; gap: 14px;
  margin-bottom: 52px;
}
.flow__node {
  flex: 1 1 220px;
  max-width: 320px;
  display: flex; flex-direction: column; gap: 8px;
  padding: 24px 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.flow__node--core {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.flow__icon { color: var(--accent); line-height: 0; }
.flow__node strong { font-size: 1.02rem; letter-spacing: -0.01em; }
.flow__note { font-size: .86rem; color: var(--text-muted); line-height: 1.5; }
.flow__arrow { align-self: center; color: var(--brand-300); line-height: 0; }
@media (max-width: 760px) {
  .flow__arrow { transform: rotate(90deg); }
}

/* --- sektor kartlari (her sektorde tek cumlelik kullanim senaryosu) ----- */
.sector-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.sector {
  background: var(--surface);
  padding: 26px 24px;
  transition: background-color .25s var(--ease);
}
.sector:hover { background: var(--surface-hover); }
.sector h3 {
  font-size: 1.02rem; margin-bottom: 8px;
  display: flex; align-items: center; gap: 10px;
}
.sector h3::before {
  content: ""; width: 18px; height: 2px; flex: none;
  background: linear-gradient(90deg, var(--brand-400), var(--accent));
}
.sector p { margin: 0; font-size: .9rem; color: var(--text-muted); line-height: 1.6; }

/* --- yaklasim adimlarinda ikon (soyut 01/02 numaralari yerine) ---------- */
.step__icon { display: block; color: var(--accent); margin-bottom: 14px; line-height: 0; }

/* --- CTA bandinda somut fayda maddeleri -------------------------------- */
.cta-points {
  list-style: none; margin: 26px auto 30px; padding: 0;
  display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 26px;
  max-width: 900px;
}
.cta-points li {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: .93rem; color: rgba(232, 237, 246, .9);
}
.cta-points svg { color: var(--accent); flex: none; }

/* --- iki sutunlu bolum basligi ----------------------------------------- */
.section-head--row {
  max-width: none;
  display: grid; gap: 18px 48px;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  align-items: end;
}
@media (max-width: 860px) { .section-head--row { grid-template-columns: 1fr; } }


/* --- iki adimli iletisim formu ----------------------------------------- */
.wizard__count {
  display: inline-block;
  font-size: .7rem; font-weight: 700; letter-spacing: .16em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 12px;
}
.wizard__hint { color: var(--text-muted); font-size: .92rem; margin-bottom: 22px; }
/* JS aktifken adimlar sirayla gosterilir; JS yoksa hepsi acik kalir */
.wizard--js .wizard__step { display: none; }
.wizard--js .wizard__step.is-active { display: block; animation: stepIn .3s var(--ease); }
@keyframes stepIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.wizard__actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }

.choice-grid { display: grid; gap: 10px; }
.choice { position: relative; display: block; cursor: pointer; }
.choice input {
  position: absolute; opacity: 0; width: 0; height: 0;
}
.choice__body {
  display: block;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color .2s var(--ease), background-color .2s var(--ease), transform .2s var(--ease);
}
.choice__body strong { display: block; margin-bottom: 4px; font-size: .98rem; }
.choice__body span { display: block; font-size: .86rem; color: var(--text-muted); line-height: 1.5; }
.choice:hover .choice__body { border-color: var(--brand-300); transform: translateY(-2px); }
.choice input:checked + .choice__body { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.choice input:focus-visible + .choice__body { outline: 2px solid var(--accent); outline-offset: 2px; }

/* --- keşif toplantisi karti -------------------------------------------- */
.meeting-card {
  padding: 30px 28px;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  background: linear-gradient(155deg, var(--accent-soft), transparent 70%), var(--surface);
}
.meeting-card h3 { margin-bottom: 10px; }
.meeting-card p { color: var(--text-muted); font-size: .93rem; margin-bottom: 20px; }

/* Acik zeminde kullanilan fayda maddeleri */
.cta-points--light {
  justify-content: flex-start; flex-direction: column; align-items: flex-start;
  gap: 12px; margin: 26px 0 0; max-width: none;
}
.cta-points--light li { color: var(--text-muted); font-size: .9rem; align-items: flex-start; }


/* --- vaka calismasi: Problem -> Mimari -> Kazanim ----------------------- */
.case { display: grid; gap: 1px; background: var(--border); border: 1px solid var(--border); }
.case__step {
  display: flex; gap: 22px; align-items: flex-start;
  padding: 30px 28px; background: var(--surface);
}
.case__no {
  font-size: .8rem; font-weight: 750; letter-spacing: .1em;
  color: var(--accent); padding-top: 4px; flex: none;
}
.case__step h2 { font-size: 1.15rem; margin-bottom: 10px; }
.case__step p { margin: 0; color: var(--text-muted); line-height: 1.7; }
.case__step--result { background: linear-gradient(120deg, var(--accent-soft), transparent 60%), var(--surface); }
.case__step--result .metric { margin-top: 16px; }
.case__cta {
  margin-top: 44px; padding: 28px 30px;
  border: 1px solid var(--border); border-radius: var(--radius);
  display: flex; gap: 20px; align-items: center; justify-content: space-between; flex-wrap: wrap;
  background: var(--bg-sunken);
}
.case__cta p { margin: 0; font-size: 1.02rem; }
@media (max-width: 620px) { .case__step { flex-direction: column; gap: 10px; } }


/* Hero'da panel gorseli varken logo filigrani gizlenir (ust uste binmesin) */
.hero--with-visual .hero__mark { display: none; }
@media (max-width: 980px) {
  .hero--with-visual .hero__mark { display: block; opacity: .1; }
}

/* ==========================================================================
   BEYAZ KUTU VE ÜST ÜSTE BİNME KESİN ÇÖZÜMÜ
   ========================================================================== */

/* Overlay arkaplan rengini sayfa rengiyle zorla eşitler */
#intro-overlay, #page-loader {
    background-color: var(--bg) !important;
}

/* Videoların ve PNG logonun beyaz arka planını şeffaf (multiply) yapar */
#intro-overlay video,
#page-loader video,
img[src*="QP_LOGO"] {
    mix-blend-mode: multiply !important;
}

/* Video oynarken altındaki statik logonun görünmesini (üst üste binmeyi) zorla engeller */
#intro-overlay.is-playing .intro-fallback {
    display: none !important;
}

/* Koyu temada beyaz kutuların parlamaması için videoyu/logoyu ters çevirir */
[data-theme="dark"] #intro-overlay video,
[data-theme="dark"] #page-loader video,
[data-theme="dark"] img[src*="QP_LOGO"] {
    filter: invert(1) !important;
    mix-blend-mode: screen !important;
}
#intro-overlay video,
#page-loader .loader-frame {
    /* Videonun ortasını %100 görünür yapar, kenarlara doğru şeffaflaştırarak yok eder */
    -webkit-mask-image: radial-gradient(ellipse at center, black 55%, transparent 100%) !important;
    mask-image: radial-gradient(ellipse at center, black 55%, transparent 100%) !important;
}

/* ==========================================================================
   BÜYÜK GİRİŞ ANİMASYONU KENAR YUMUŞATMA (DARALTILMIŞ MASK)
   ========================================================================== */

#intro-overlay video {
    /* Merkez net kalır (35%), kenarlara doğru hızlıca yumuşayarak şeffaflaşır (60%) */
    -webkit-mask-image: radial-gradient(circle at center, black 30%, transparent 50%) !important;
    mask-image: radial-gradient(circle at center, black 30%, transparent 50%) !important;
}