/* ==========================================================================
   Web Yazılım Firması — style.css
   Tema: 3D perspektif tilt kartlar + açık tech · İndigo #4F46E5 / Camgöbeği #06B6D4
   Font: Başlık Sora, Gövde Manrope
   İmza: Fare ile tilt/parallax kartlar + katmanlı hero mockup reveal
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { overflow-x: hidden; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; font-family: var(--font-body); color: var(--color-text); background: var(--color-bg);
  line-height: 1.65; -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
button { font: inherit; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { font-family: var(--font-heading); line-height: 1.15; margin: 0; color: var(--color-text); letter-spacing: -.01em; }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--brand-indigo); outline-offset: 3px; border-radius: 4px; }
:focus:not(:focus-visible) { outline: none; }

:root {
  color-scheme: light;
  --brand-indigo: #4F46E5;
  --brand-cyan: #06B6D4;
  --brand-ink: #0F172A;

  --color-text: #0F172A;
  --color-text-muted: #52607A;
  --color-text-faint: #94A3B8;
  --color-bg: #F7F8FC;
  --color-surface: #FFFFFF;
  --color-border: #E3E7F2;
  --color-success: #16A34A;
  --color-warning: #D97706;
  --color-error: #DC2626;

  --space-1: .25rem; --space-2: .5rem; --space-3: .75rem; --space-4: 1rem;
  --space-6: 1.5rem; --space-8: 2rem; --space-12: 3rem; --space-16: 4rem; --space-24: 6rem;

  --text-xs: .75rem; --text-sm: .875rem; --text-base: 1rem; --text-lg: 1.125rem;
  --text-xl: 1.25rem; --text-2xl: 1.5rem; --text-3xl: 1.875rem; --text-4xl: 2.25rem; --text-6xl: 3.75rem;

  --font-heading: 'Sora', sans-serif;
  --font-body: 'Manrope', sans-serif;

  --radius-sm: 10px; --radius-md: 16px; --radius-lg: 24px; --radius-full: 999px;
  --shadow-sm: 0 4px 16px -8px rgba(15, 23, 42, .08);
  --shadow-md: 0 20px 40px -18px rgba(79, 70, 229, .28);
  --shadow-lg: 0 32px 64px -24px rgba(15, 23, 42, .22);
  --ease-standard: cubic-bezier(.16, 1, .3, 1);
  --ease-pop: cubic-bezier(.34, 1.56, .64, 1);
  --header-h: 76px;
}

.container { width: 100%; max-width: 1200px; margin-inline: auto; padding-inline: var(--space-6); }
section { padding-block: var(--space-24); }
.section-head { max-width: 640px; margin-bottom: var(--space-12); }
.section-head.center { margin-inline: auto; text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-2); font-size: var(--text-xs); font-weight: 800;
  letter-spacing: .1em; text-transform: uppercase; color: var(--brand-indigo); margin-bottom: var(--space-3);
}
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--brand-cyan); display: inline-block; }
.section-head h2 { font-size: clamp(var(--text-2xl), 3.4vw, var(--text-3xl)); font-weight: 700; margin-bottom: var(--space-3); }
.section-head p { color: var(--color-text-muted); font-size: var(--text-lg); }
.skip-link {
  position: absolute; left: -9999px; top: 0; background: var(--brand-indigo); color: #fff;
  padding: var(--space-3) var(--space-4); border-radius: var(--radius-sm); z-index: 1000; font-weight: 700;
}
.skip-link:focus { left: var(--space-4); top: var(--space-4); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  padding: .875rem var(--space-8); border-radius: var(--radius-full); font-weight: 700; font-size: var(--text-base);
  border: 1px solid transparent; cursor: pointer; text-decoration: none; touch-action: manipulation;
  transition: transform .18s var(--ease-standard), box-shadow .18s var(--ease-standard), background-color .18s var(--ease-standard);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: linear-gradient(120deg, var(--brand-indigo), var(--brand-cyan)); color: #fff !important; box-shadow: var(--shadow-md); }
.btn-primary:hover { box-shadow: var(--shadow-lg); }
.btn-secondary { background: #fff; color: var(--color-text); border-color: var(--color-border); }
.btn-secondary:hover { border-color: var(--brand-indigo); color: var(--brand-indigo); }
.btn-sm { padding: .625rem var(--space-6); font-size: var(--text-sm); }
.btn-block { width: 100%; }

.site-header {
  position: sticky; top: 0; z-index: 100; height: var(--header-h); display: flex; align-items: center;
  background: rgba(247, 248, 252, .88); backdrop-filter: blur(10px); border-bottom: 1px solid var(--color-border);
  transition: box-shadow .3s var(--ease-standard);
}
.site-header.is-scrolled { box-shadow: var(--shadow-sm); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }
.logo {
  display: flex; align-items: center; gap: var(--space-3); font-family: var(--font-heading); font-weight: 700;
  font-size: var(--text-lg); text-decoration: none; color: var(--color-text); white-space: nowrap;
}
.logo .logo-mark {
  display: inline-flex; width: 36px; height: 36px; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--brand-indigo), var(--brand-cyan));
  align-items: center; justify-content: center; color: #fff; flex-shrink: 0;
}
.main-nav { display: flex; }
.main-nav ul { display: flex; align-items: center; gap: var(--space-6); }
.main-nav a { text-decoration: none; font-size: var(--text-sm); font-weight: 600; color: var(--color-text-muted); transition: color .2s; }
.main-nav a:hover, .main-nav a.is-active { color: var(--brand-indigo); }
.header-actions { display: flex; align-items: center; gap: var(--space-4); }
.header-phone { display: none; align-items: center; gap: var(--space-2); font-size: var(--text-sm); font-weight: 600; text-decoration: none; color: var(--color-text); }
.menu-toggle {
  display: none; background: none; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  width: 44px; height: 44px; align-items: center; justify-content: center; cursor: pointer; color: var(--color-text);
}
.menu-toggle svg { width: 22px; height: 22px; }
@media (min-width: 960px) { .header-phone { display: inline-flex; } .nav-cta { display: none; } }
@media (max-width: 959px) {
  .main-nav {
    position: fixed; inset: var(--header-h) 0 0 0; background: var(--color-bg);
    transform: translateX(100%); transition: transform .3s var(--ease-standard); overflow-y: auto;
  }
  .main-nav[data-open="true"] { transform: translateX(0); }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 0; padding: var(--space-6); }
  .main-nav li { border-bottom: 1px solid var(--color-border); }
  .main-nav a { display: block; padding: var(--space-4) 0; font-size: var(--text-lg); }
  .nav-cta { padding-top: var(--space-6); }
  .menu-toggle { display: inline-flex; }
  .header-actions .btn-primary.header-cta { display: none; }
}

/* === Hero: 3D tilt kart yığını === */
.hero { position: relative; padding-top: var(--space-24); padding-bottom: var(--space-16); }
.hero-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-16); align-items: center; }
@media (min-width: 960px) { .hero-grid { grid-template-columns: 1.05fr .95fr; } }
.hero-copy { max-width: 620px; }
.hero h1 { font-size: clamp(var(--text-4xl), 5.2vw, var(--text-6xl)); font-weight: 700; margin-bottom: var(--space-6); }
.hero h1 .mask { display: inline-block; overflow: hidden; vertical-align: top; }
.hero h1 .word { display: inline-block; will-change: transform; }
.hero h1 .accent { background: linear-gradient(120deg, var(--brand-indigo), var(--brand-cyan)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { font-size: var(--text-lg); color: var(--color-text-muted); max-width: 56ch; margin-bottom: var(--space-8); }
.hero-ctas { display: flex; flex-wrap: wrap; gap: var(--space-4); }

/* Tilt sahne — imza: fare hareketiyle 3D perspektif eğim + katmanlı reveal */
.tilt-stage { position: relative; perspective: 1200px; padding: var(--space-8); }
.tilt-card {
  position: relative; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: var(--space-6); box-shadow: var(--shadow-md); transform-style: preserve-3d; will-change: transform;
  transition: transform .5s var(--ease-standard), box-shadow .3s var(--ease-standard);
  opacity: 0; transform: translateY(28px) rotateX(0) rotateY(0);
}
.tilt-card.is-visible { opacity: 1; transform: translateY(0) rotateX(0) rotateY(0); transition: opacity .6s var(--ease-standard), transform .6s var(--ease-standard); }
.tilt-card .tilt-inner { transform: translateZ(24px); }
.tilt-card .tilt-label { display: flex; align-items: center; gap: var(--space-2); font-size: var(--text-xs); font-weight: 700; color: var(--brand-indigo); text-transform: uppercase; letter-spacing: .06em; margin-bottom: var(--space-3); }
.tilt-card .tilt-label svg { width: 16px; height: 16px; }
.tilt-card .tilt-row { display: flex; align-items: center; justify-content: space-between; padding: var(--space-3) 0; border-top: 1px solid var(--color-border); font-size: var(--text-sm); }
.tilt-card .tilt-row:first-of-type { border-top: none; }
.tilt-card .tilt-row .metric { font-family: var(--font-heading); font-weight: 700; color: var(--brand-ink); }
.tilt-card-back {
  position: absolute; inset: var(--space-8) calc(var(--space-8) * -0.4) auto auto; width: 60%; top: var(--space-16);
  background: linear-gradient(140deg, rgba(79,70,229,.12), rgba(6,182,212,.12)); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); height: 70%; z-index: -1; transform: translateZ(-40px) rotate(-4deg);
}
@media (prefers-reduced-motion: reduce) { .tilt-card { transform: none !important; opacity: 1; } }

/* === Güven Şeridi === */
.trust-strip { padding-block: var(--space-16); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.trust-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-8); text-align: center; }
@media (min-width: 720px) { .trust-grid { grid-template-columns: repeat(4, 1fr); } }
.trust-item .count { display: block; font-family: var(--font-heading); font-size: var(--text-4xl); font-weight: 700; color: var(--brand-indigo); font-variant-numeric: tabular-nums; }
.trust-item .label { color: var(--color-text-muted); font-size: var(--text-sm); margin-top: var(--space-1); }

/* === Bento (hizmetler) — tilt-on-hover kartlar === */
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-6); perspective: 1000px; }
@media (max-width: 860px) { .bento { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .bento { grid-template-columns: 1fr; } }
.cell {
  grid-column: span 2;
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: var(--space-8); display: flex; flex-direction: column; gap: var(--space-4);
  transform-style: preserve-3d; will-change: transform;
  transition: transform .3s var(--ease-standard), box-shadow .3s var(--ease-standard), border-color .3s var(--ease-standard);
}
.cell:hover { box-shadow: var(--shadow-md); border-color: rgba(79,70,229,.3); }
@media (max-width: 860px) { .cell { grid-column: span 2; } }
@media (max-width: 560px) { .cell { grid-column: span 1; } }
a.cell { text-decoration: none; color: inherit; }
.cell-icon, .service-icon {
  width: 52px; height: 52px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center;
  color: #fff; flex-shrink: 0; background: linear-gradient(135deg, var(--brand-indigo), var(--brand-cyan));
}
.cell-icon svg, .service-icon svg { width: 26px; height: 26px; }
.cell h3 { font-size: var(--text-xl); font-weight: 700; }
.cell p { color: var(--color-text-muted); font-size: var(--text-sm); flex-grow: 1; }
.cell .card-link { font-size: var(--text-sm); font-weight: 700; color: var(--brand-indigo); }

/* === Süreç === */
.process-list { display: grid; grid-template-columns: 1fr; gap: var(--space-8); }
@media (min-width: 860px) { .process-list { grid-template-columns: repeat(4, 1fr); position: relative; } }
.process-item { position: relative; padding-top: var(--space-16); }
.process-item .step-num {
  position: absolute; top: 0; left: 0; width: 56px; height: 56px; border-radius: var(--radius-sm);
  color: #fff; font-family: var(--font-heading); font-weight: 700; font-size: var(--text-lg);
  display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--brand-indigo), var(--brand-cyan));
  box-shadow: var(--shadow-md);
}
.process-item h3 { font-size: var(--text-lg); font-weight: 700; margin-bottom: var(--space-2); }
.process-item p { color: var(--color-text-muted); font-size: var(--text-sm); }

/* === Paketler === */
.packages-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-6); align-items: stretch; }
@media (min-width: 860px) { .packages-grid { grid-template-columns: repeat(3, 1fr); } }
.package-card {
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: var(--space-8); display: flex; flex-direction: column; gap: var(--space-6);
}
.package-card.featured { border-color: var(--brand-indigo); box-shadow: var(--shadow-md); position: relative; transform: scale(1.02); }
.package-featured-tag {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: linear-gradient(120deg, var(--brand-indigo), var(--brand-cyan)); color: #fff;
  font-size: var(--text-xs); font-weight: 700; padding: var(--space-1) var(--space-4); border-radius: var(--radius-full); white-space: nowrap;
}
.package-card h3 { font-size: var(--text-xl); font-weight: 700; }
.package-card .package-tagline { color: var(--color-text-muted); font-size: var(--text-sm); }
.package-features { display: flex; flex-direction: column; gap: var(--space-3); flex-grow: 1; }
.package-features li { display: flex; gap: var(--space-2); font-size: var(--text-sm); }
.package-features svg { width: 18px; height: 18px; color: var(--brand-indigo); flex-shrink: 0; margin-top: 2px; }

/* === SSS Accordion === */
.faq-list { display: flex; flex-direction: column; gap: var(--space-3); max-width: 800px; margin-inline: auto; }
.faq-item { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; }
.faq-question {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
  padding: var(--space-6); background: none; border: none; text-align: left; font-family: var(--font-heading);
  font-size: var(--text-base); font-weight: 700; color: var(--color-text); cursor: pointer;
}
.faq-question .chev { width: 20px; height: 20px; flex-shrink: 0; transition: transform .25s var(--ease-standard); color: var(--brand-indigo); }
.faq-question[aria-expanded="true"] .chev { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s var(--ease-standard); }
.faq-answer p { padding: 0 var(--space-6) var(--space-6); color: var(--color-text-muted); font-size: var(--text-sm); }
.faq-more { text-align: center; margin-top: var(--space-8); }

/* === CTA Bandı === */
.cta-band {
  background: linear-gradient(120deg, var(--brand-indigo), var(--brand-cyan));
  border-radius: var(--radius-lg); padding: var(--space-16) var(--space-8); text-align: center; color: #fff;
  margin-inline: var(--space-6); position: relative; overflow: hidden;
}
.cta-band h2 { font-size: clamp(var(--text-2xl), 3.6vw, var(--text-3xl)); font-weight: 700; margin-bottom: var(--space-3); color: #fff; }
.cta-band p { color: rgba(255,255,255,.85); margin-bottom: var(--space-8); max-width: 56ch; margin-inline: auto; }
.cta-actions { display: flex; flex-wrap: wrap; gap: var(--space-4); justify-content: center; }
.cta-band .btn-secondary { background: #fff; border-color: #fff; color: var(--brand-indigo); }
.cta-band .btn-secondary:hover { background: rgba(255,255,255,.9); }

/* === Footer === */
.site-footer { background: var(--brand-ink); color: #94A3B8; padding-top: var(--space-24); }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-12); padding-bottom: var(--space-16); border-bottom: 1px solid rgba(255,255,255,.1); }
@media (min-width: 720px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.footer-brand .logo { color: #fff; }
.footer-brand p { margin-top: var(--space-4); font-size: var(--text-sm); max-width: 40ch; }
.footer-col h4 { color: #fff; font-size: var(--text-sm); text-transform: uppercase; letter-spacing: .06em; margin-bottom: var(--space-4); }
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col a { text-decoration: none; font-size: var(--text-sm); color: #94A3B8; transition: color .2s; }
.footer-col a:hover { color: #fff; }
.footer-col address { font-style: normal; font-size: var(--text-sm); line-height: 1.7; }
.footer-bottom { display: flex; flex-wrap: wrap; gap: var(--space-4); justify-content: space-between; padding-block: var(--space-6); font-size: var(--text-xs); color: #64748B; }

/* === Form === */
.form-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-8); box-shadow: var(--shadow-sm); }
.form-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-6); }
@media (min-width: 640px) { .form-grid.two-col { grid-template-columns: 1fr 1fr; } }
.field { display: flex; flex-direction: column; gap: var(--space-2); }
.field label { font-size: var(--text-sm); font-weight: 700; }
.field .required { color: var(--color-error); }
.field input, .field select, .field textarea {
  padding: var(--space-3) var(--space-4); border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  font: inherit; font-size: var(--text-base); background: var(--color-bg); color: var(--color-text);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--brand-indigo); outline-offset: 1px; border-color: var(--brand-indigo); }
.field textarea { resize: vertical; min-height: 110px; }
.field-error { display: none; color: var(--color-error); font-size: var(--text-xs); }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: var(--color-error); }
.field.has-error .field-error { display: block; }
.checkbox-field { display: flex; align-items: flex-start; gap: var(--space-3); }
.checkbox-field input { width: 20px; height: 20px; flex-shrink: 0; margin-top: 2px; accent-color: var(--brand-indigo); }
.checkbox-field label { font-size: var(--text-sm); font-weight: 400; color: var(--color-text-muted); }
.checkbox-field.has-error .field-error { display: block; }
.kvkk-details { margin-top: var(--space-2); font-size: var(--text-xs); color: var(--color-text-faint); }
.kvkk-details summary { cursor: pointer; color: var(--brand-indigo); font-weight: 600; }
.form-status { margin-top: var(--space-4); padding: var(--space-4); border-radius: var(--radius-sm); font-size: var(--text-sm); display: none; }
.form-status.is-success { display: block; background: rgba(22,163,74,.1); color: #15803D; }
.form-status.is-error { display: block; background: rgba(220,38,38,.1); color: #B91C1C; }
.form-note { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-3); }
.hp-alan { position: absolute; left: -9999px; top: -9999px; width: 1px; height: 1px; overflow: hidden; }
.alt-contact { text-align: center; margin-top: var(--space-8); display: flex; flex-wrap: wrap; gap: var(--space-4); align-items: center; justify-content: center; }
.alt-contact p { width: 100%; color: var(--color-text-muted); font-size: var(--text-sm); margin-bottom: var(--space-2); }

/* === Sayfa başlığı === */
.page-header { padding-top: var(--space-16); padding-bottom: var(--space-12); text-align: center; border-bottom: 1px solid var(--color-border); }
.breadcrumb { display: flex; flex-wrap: wrap; gap: var(--space-2); font-size: var(--text-xs); color: var(--color-text-faint); margin-bottom: var(--space-6); justify-content: center; }
.breadcrumb a { text-decoration: none; color: var(--color-text-faint); }
.breadcrumb a:hover { color: var(--brand-indigo); }
.breadcrumb span[aria-hidden] { color: var(--color-border); }
.page-header h1 { font-size: clamp(var(--text-3xl), 4.6vw, var(--text-4xl)); font-weight: 700; max-width: 46ch; margin-inline: auto; }
.page-header .lead { margin-top: var(--space-4); font-size: var(--text-lg); color: var(--color-text-muted); max-width: 65ch; margin-inline: auto; }

/* === İçerik sayfaları === */
.prose { max-width: 760px; }
.prose h2 { font-size: var(--text-2xl); font-weight: 700; margin-top: var(--space-12); margin-bottom: var(--space-4); }
.prose h2:first-child { margin-top: 0; }
.prose p { color: var(--color-text-muted); margin-bottom: var(--space-4); max-width: 70ch; }
.prose ul { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-4); }
.prose ul li { display: flex; gap: var(--space-2); color: var(--color-text-muted); }
.prose ul li svg { width: 18px; height: 18px; color: var(--brand-indigo); flex-shrink: 0; margin-top: 3px; }
.prose a { color: var(--brand-indigo); }
.two-col-layout { display: grid; grid-template-columns: 1fr; gap: var(--space-16); }
@media (min-width: 960px) { .two-col-layout { grid-template-columns: 2fr 1fr; } }
.aside-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-6); align-self: start; position: sticky; top: calc(var(--header-h) + var(--space-6)); box-shadow: var(--shadow-sm); }
.aside-card h3 { font-size: var(--text-base); font-weight: 700; margin-bottom: var(--space-3); }
.aside-card ul { display: flex; flex-direction: column; gap: var(--space-2); }
.aside-card a { font-size: var(--text-sm); text-decoration: none; color: var(--color-text-muted); }
.aside-card a:hover { color: var(--brand-indigo); }

/* === İletişim kartları === */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-16); }
@media (min-width: 960px) { .contact-grid { grid-template-columns: 1.1fr .9fr; } }
.contact-list { display: flex; flex-direction: column; gap: var(--space-4); margin-bottom: var(--space-8); }
.contact-list li { display: flex; align-items: center; gap: var(--space-3); font-size: var(--text-base); }
.contact-list li svg { width: 22px; height: 22px; color: var(--brand-indigo); flex-shrink: 0; }
.contact-list li a { text-decoration: none; color: var(--color-text); font-weight: 600; }
.contact-list li a:hover { color: var(--brand-indigo); }
.contact-info h2 { margin-bottom: var(--space-6); }
.map-embed { border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); }
.map-embed iframe { width: 100%; height: 320px; border: 0; display: block; }

/* === 404 / Teşekkür === */
.error-page, .thanks-page { min-height: 60vh; display: flex; align-items: center; text-align: center; }
.error-page .error-code {
  font-family: var(--font-heading); font-size: clamp(4rem, 14vw, 8rem); font-weight: 700; line-height: 1;
  background: linear-gradient(120deg, var(--brand-indigo), var(--brand-cyan)); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.error-links { display: flex; flex-wrap: wrap; gap: var(--space-4); justify-content: center; margin-top: var(--space-8); }
.error-links a { text-decoration: none; font-size: var(--text-sm); font-weight: 600; color: var(--brand-indigo); }
.error-links a:hover { text-decoration: underline; }
.thanks-icon { width: 72px; height: 72px; border-radius: 50%; background: rgba(79,70,229,.1); color: var(--brand-indigo); display: flex; align-items: center; justify-content: center; margin-inline: auto; margin-bottom: var(--space-6); }
.thanks-icon svg { width: 36px; height: 36px; }
.thanks-actions { display: flex; flex-wrap: wrap; gap: var(--space-4); justify-content: center; margin-top: var(--space-8); }

/* === Yüzen Aksiyonlar === */
.floating-actions { position: fixed; right: var(--space-6); bottom: var(--space-6); z-index: 90; display: flex; flex-direction: column; gap: var(--space-3); }
.fab { width: 56px; height: 56px; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-lg); border: none; cursor: pointer; text-decoration: none; touch-action: manipulation; transition: transform .2s var(--ease-standard); }
.fab:hover { transform: translateY(-3px) scale(1.05); }
.fab-whatsapp { background: #25D366; color: #fff; }
.fab-whatsapp svg { width: 28px; height: 28px; }
.fab-top { background: #fff; color: var(--color-text); border: 1px solid var(--color-border); opacity: 0; visibility: hidden; transform: translateY(10px); }
.fab-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.fab-top svg { width: 20px; height: 20px; }

[data-reveal] { opacity: 0; transform: translateY(24px); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); transition: opacity .6s var(--ease-standard), transform .6s var(--ease-standard); }
@media (prefers-reduced-motion: reduce) { [data-reveal] { opacity: 1; transform: none; } }

.text-center { text-align: center; }
.mt-8 { margin-top: var(--space-8); }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* === Final denetim: teklif butonu + FAB'lar sol tarafa === */
.floating-actions { right: auto; left: var(--space-6); }
.fab-quote { background: var(--color-text); color: var(--color-bg); width: auto; height: 56px; padding: 0 1.1rem; border-radius: 999px; display: inline-flex; align-items: center; gap: .5rem; white-space: nowrap; font-weight: 700; font-size: .875rem; box-shadow: 0 12px 28px -10px rgba(0,0,0,.35); }
.fab-quote svg { width: 20px; height: 20px; flex-shrink: 0; }
@media (max-width: 480px) { .fab-quote .fab-label { display: none; } .fab-quote { width: 56px; padding: 0; justify-content: center; } }

/* === Kampanya rozeti: paketler üstü hediye bandı === */
.promo-banner { display: flex; align-items: center; justify-content: center; gap: var(--space-3); margin-bottom: var(--space-8); padding: var(--space-4) var(--space-6); border-radius: var(--radius-md); background: var(--color-surface); border: 1px solid var(--color-warning); text-align: center; flex-wrap: wrap; }
.promo-banner .promo-icon { width: 22px; height: 22px; flex-shrink: 0; color: var(--color-warning); }
.promo-banner p { font-size: var(--text-sm); color: var(--color-text); margin: 0; }
.promo-banner strong { font-weight: 700; }