/* ==========================================================================
   İSTANBUL PRINT — Kurumsal Site Stil Sistemi
   ========================================================================== */

:root {
  /* Renkler — logo referanslı, kurumsal palet */
  --navy-deep: #0A2038;
  --navy: #123A5C;
  --blue: #1C6EA4;
  --blue-bright: #2789C9;
  --blue-tint: #EAF3FA;
  --orange: #E8752E;
  --orange-dark: #C7601F;
  --gray-50: #F6F7F9;
  --gray-100: #ECEEF1;
  --gray-300: #CBD2DA;
  --gray-600: #5C6672;
  --gray-900: #12161C;
  --white: #FFFFFF;

  /* Tipografi */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Ölçüler */
  --container: 1180px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(10, 32, 56, 0.06);
  --shadow-md: 0 8px 30px rgba(10, 32, 56, 0.10);
  --shadow-lg: 0 20px 60px rgba(10, 32, 56, 0.16);
  --transition: 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  font-family: var(--font-body);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

ul { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  color: var(--navy-deep);
  letter-spacing: -0.01em;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

section { position: relative; }

/* Odak görünürlüğü (erişilebilirlik) */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 2px;
}

/* ---------- Eyebrow / Etiket ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: '';
  width: 22px;
  height: 2px;
  background: var(--orange);
  display: inline-block;
}

/* ---------- Butonlar ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--orange);
  color: var(--white);
  box-shadow: 0 6px 20px rgba(232, 117, 46, 0.35);
}
.btn-primary:hover { background: var(--orange-dark); transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.4);
}
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,0.08); }
.btn-navy {
  background: var(--navy-deep);
  color: var(--white);
}
.btn-navy:hover { background: var(--navy); transform: translateY(-2px); }

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gray-100);
  will-change: transform;
  transform: translateZ(0);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand img { height: 48px; width: 48px; }
.brand-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--navy-deep);
  line-height: 1.1;
}
.brand-text span {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--blue);
  text-transform: uppercase;
  margin-top: 2px;
}
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-desktop a {
  font-weight: 500;
  font-size: 15px;
  color: var(--gray-900);
  position: relative;
  padding: 6px 0;
  transition: color var(--transition);
}
.nav-desktop a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--orange);
  transition: width var(--transition);
}
.nav-desktop a:hover, .nav-desktop a.active { color: var(--blue); }
.nav-desktop a:hover::after, .nav-desktop a.active::after { width: 100%; }

.header-cta { display: flex; align-items: center; gap: 20px; }
.header-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 14.5px;
  color: var(--navy-deep);
}
.header-phone svg { width: 18px; height: 18px; color: var(--orange); flex-shrink: 0; }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.menu-toggle span { width: 24px; height: 2px; background: var(--navy-deep); border-radius: 2px; }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  background: linear-gradient(160deg, var(--navy-deep) 0%, var(--navy) 55%, var(--blue) 130%);
  position: relative;
  overflow: hidden;
  padding: 100px 0 0;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(255,255,255,0.035) 0px, rgba(255,255,255,0.035) 1px, transparent 1px, transparent 64px);
  pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-copy { padding-bottom: 90px; }
.hero-copy .eyebrow { color: #8FC6EA; }
.hero-copy .eyebrow::before { background: var(--orange); }
.hero h1 {
  color: var(--white);
  font-size: clamp(34px, 4.4vw, 54px);
  margin-bottom: 22px;
}
.hero h1 em {
  font-style: normal;
  color: var(--orange);
}
.hero-sub {
  color: rgba(255,255,255,0.78);
  font-size: 17.5px;
  max-width: 480px;
  margin-bottom: 34px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 46px; }
.hero-trust {
  display: flex;
  gap: 34px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 26px;
}
.hero-trust-item {
  display: flex;
  flex-direction: column;
}
.hero-trust-item strong {
  font-family: var(--font-display);
  font-size: 26px;
  color: var(--white);
}
.hero-trust-item span {
  font-size: 12.5px;
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.02em;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  height: 100%;
  padding-bottom: 0;
}
.hero-visual svg { width: 100%; max-width: 460px; height: auto; filter: drop-shadow(0 30px 40px rgba(0,0,0,0.35)); }

.hero-feed {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 64px;
  background: var(--gray-50);
  clip-path: polygon(0 100%, 100% 100%, 100% 40%, 97% 45%, 94% 38%, 91% 46%, 88% 36%, 85% 47%, 82% 37%, 79% 45%, 76% 38%, 73% 46%, 70% 37%, 67% 45%, 64% 38%, 61% 46%, 58% 37%, 55% 45%, 52% 38%, 49% 46%, 46% 37%, 43% 45%, 40% 38%, 37% 46%, 34% 37%, 31% 45%, 28% 38%, 25% 46%, 22% 37%, 19% 45%, 16% 38%, 13% 46%, 10% 37%, 7% 45%, 4% 38%, 1% 46%, 0 40%);
}

/* ==========================================================================
   MARKA ŞERİDİ (logolar)
   ========================================================================== */
.brand-strip {
  background: var(--gray-50);
  padding: 30px 0;
  border-bottom: 1px solid var(--gray-100);
}
.brand-strip-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.brand-strip-label {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-600);
  white-space: nowrap;
}
.brand-marks {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  align-items: center;
}
.brand-marks span {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  color: var(--navy);
  opacity: 0.55;
  transition: opacity var(--transition);
}
.brand-marks span:hover { opacity: 1; }

/* ==========================================================================
   BÖLÜM BAŞLIKLARI
   ========================================================================== */
.section { padding: 96px 0; }
.section-tight { padding: 72px 0; }
.section-head {
  max-width: 640px;
  margin-bottom: 56px;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(28px, 3.4vw, 40px); margin-bottom: 16px; }
.section-head p { color: var(--gray-600); font-size: 16.5px; }
.on-dark h2, .on-dark .eyebrow { color: var(--white); }
.on-dark p { color: rgba(255,255,255,0.72); }

/* ==========================================================================
   HİZMET KARTLARI
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-md);
  padding: 38px 30px 34px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.service-icon {
  width: 54px; height: 54px;
  border-radius: var(--radius-sm);
  background: var(--blue-tint);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
}
.service-icon svg { width: 26px; height: 26px; color: var(--blue); }
.service-card h3 { font-size: 20px; margin-bottom: 10px; }
.service-card p { color: var(--gray-600); font-size: 15px; margin-bottom: 20px; }
.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  color: var(--blue);
}
.service-link svg { width: 15px; height: 15px; transition: transform var(--transition); }
.service-card:hover .service-link svg { transform: translateX(4px); }

/* ==========================================================================
   İSTATİSTİK ŞERİDİ
   ========================================================================== */
.stats-band {
  background: var(--navy-deep);
  padding: 56px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-item { text-align: center; border-right: 1px solid rgba(255,255,255,0.12); }
.stat-item:last-child { border-right: none; }
.stat-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(30px, 3.4vw, 42px);
  color: var(--white);
}
.stat-item strong .orange { color: var(--orange); }
.stat-item span {
  font-size: 13.5px;
  color: rgba(255,255,255,0.62);
  letter-spacing: 0.02em;
}

/* ==========================================================================
   NEDEN BİZ — özellik listesi
   ========================================================================== */
.why-wrap {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: center;
}
.why-list { display: flex; flex-direction: column; gap: 28px; }
.why-item { display: flex; gap: 18px; }
.why-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  color: var(--white);
  background: var(--blue);
  width: 34px; height: 34px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.why-item h4 { font-size: 17px; margin-bottom: 6px; }
.why-item p { color: var(--gray-600); font-size: 14.5px; }

.why-panel {
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: 44px;
  position: relative;
  overflow: hidden;
}
.why-panel::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 200px; height: 200px;
  background: var(--blue-tint);
  border-radius: 50%;
}
.why-panel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  position: relative;
}
.why-panel-item {
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 22px 18px;
  box-shadow: var(--shadow-sm);
}
.why-panel-item svg { width: 22px; height: 22px; color: var(--orange); margin-bottom: 12px; }
.why-panel-item h5 { font-family: var(--font-display); font-size: 14.5px; margin-bottom: 6px; color: var(--navy-deep); }
.why-panel-item p { font-size: 13px; color: var(--gray-600); }

/* ==========================================================================
   CTA BANT
   ========================================================================== */
.cta-band {
  background: linear-gradient(120deg, var(--blue) 0%, var(--navy) 100%);
  border-radius: var(--radius-lg);
  padding: 56px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}
.cta-band h3 { color: var(--white); font-size: 26px; margin-bottom: 8px; }
.cta-band p { color: rgba(255,255,255,0.75); font-size: 15px; }
.cta-band-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ==========================================================================
   FORM
   ========================================================================== */
.contact-wrap {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 50px;
}
.contact-info { display: flex; flex-direction: column; gap: 26px; }
.contact-info-item {
  display: flex;
  gap: 16px;
  padding: 22px;
  background: var(--gray-50);
  border-radius: var(--radius-md);
}
.contact-info-item svg { width: 22px; height: 22px; color: var(--blue); flex-shrink: 0; }
.contact-info-item h4 { font-size: 15.5px; margin-bottom: 4px; }
.contact-info-item p, .contact-info-item a { font-size: 14.5px; color: var(--gray-600); }

.form-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--navy-deep);
  margin-bottom: 7px;
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 13px 15px;
  border: 1.5px solid var(--gray-100);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 14.5px;
  background: var(--gray-50);
  transition: border-color var(--transition), background var(--transition);
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--blue);
  background: var(--white);
  outline: none;
}
.field textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: 12.5px; color: var(--gray-600); margin-top: 10px; }
.form-status { font-size: 14px; margin-top: 14px; display: none; }
.form-status.show { display: block; }
.form-status.ok { color: #1B7A43; }
.form-status.err { color: #C0392B; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: var(--navy-deep);
  color: rgba(255,255,255,0.7);
  padding-top: 72px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1.1fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-brand img { height: 42px; width: 42px; }
.footer-brand span { font-family: var(--font-display); font-weight: 700; color: var(--white); font-size: 17px; }
.footer-col h5 {
  font-family: var(--font-display);
  color: var(--white);
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 11px; }
.footer-col a { font-size: 14.5px; transition: color var(--transition); }
.footer-col a:hover { color: var(--white); }
.footer-desc { font-size: 14.5px; max-width: 280px; margin-bottom: 18px; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 26px 0;
  font-size: 13px;
  flex-wrap: wrap;
  gap: 10px;
}

/* ==========================================================================
   İÇ SAYFA BAŞLIĞI (page header)
   ========================================================================== */
.page-header {
  background: linear-gradient(160deg, var(--navy-deep) 0%, var(--navy) 100%);
  padding: 150px 0 70px;
  text-align: center;
}
.page-header .eyebrow { color: #8FC6EA; justify-content: center; }
.page-header h1 { color: var(--white); font-size: clamp(30px, 4vw, 44px); }
.breadcrumb { margin-top: 14px; font-size: 14px; color: rgba(255,255,255,0.6); }
.breadcrumb a { color: rgba(255,255,255,0.85); }
.breadcrumb a:hover { color: var(--orange); }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .hero-copy { padding-bottom: 60px; }
  .why-wrap { grid-template-columns: 1fr; }
  .contact-wrap { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-item:nth-child(2) { border-right: none; }
  .stat-item { margin-bottom: 20px; }
}

@media (max-width: 860px) {
  .nav-desktop { display: none; }
  .menu-toggle { display: flex; }
  .header-phone span { display: none; }
  .services-grid { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; text-align: center; padding: 44px 28px; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .why-panel { padding: 26px; }
  .why-panel-grid { grid-template-columns: 1fr; }
  .brand-strip-inner { flex-direction: column; align-items: flex-start; }
  .section { padding: 64px 0; }

  /* iOS'ta form alanına dokununca otomatik yakınlaştırmayı önler */
  .field input, .field select, .field textarea { font-size: 16px; }

  .hero-trust { gap: 22px; }
  .cookie-banner { left: 12px; right: 12px; padding: 18px; }
  .cookie-banner-actions .btn { flex: 1; }
}

@media (max-width: 420px) {
  .header-inner { padding: 12px 16px; }
  .brand img { height: 38px; width: 38px; }
  .brand-text { font-size: 15px; }
  .brand-text span { font-size: 9.5px; }
  .header-phone { display: none; }
  .header-cta { gap: 12px; }
  .btn { padding: 12px 18px; font-size: 14px; }
  .container { padding: 0 16px; }
  .hero-copy { padding-bottom: 40px; }
  .hero-trust { gap: 18px; }
  .hero-trust-item strong { font-size: 22px; }
}

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 700ms ease, transform 700ms ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Çerez Onay Bandı ---------- */
.cookie-banner {
  position: fixed;
  left: 20px; right: 20px; bottom: -200px;
  max-width: 640px;
  margin: 0 auto;
  background: var(--navy-deep);
  color: rgba(255,255,255,0.85);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  box-shadow: var(--shadow-lg);
  z-index: 300;
  transition: bottom 400ms ease;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.cookie-banner.show { bottom: 24px; }
.cookie-banner p { font-size: 13.5px; line-height: 1.55; }
.cookie-banner a { color: var(--orange); text-decoration: underline; }
.cookie-banner-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.cookie-banner-actions .btn { padding: 10px 18px; font-size: 13.5px; }
.btn-ghost { background: transparent; color: rgba(255,255,255,0.7); border: 1px solid rgba(255,255,255,0.25); }
.btn-ghost:hover { color: var(--white); border-color: rgba(255,255,255,0.5); }

/* ---------- Yasal içerik sayfaları ---------- */
.legal-content { max-width: 820px; margin: 0 auto; }
.legal-content h2 { font-size: 22px; margin-top: 38px; margin-bottom: 14px; }
.legal-content h2:first-child { margin-top: 0; }
.legal-content p { color: var(--gray-600); font-size: 15px; margin-bottom: 14px; }
.legal-content ul { margin: 0 0 14px 0; }
.legal-content li { color: var(--gray-600); font-size: 15px; margin-bottom: 8px; padding-left: 20px; position: relative; }
.legal-content li::before { content: '—'; position: absolute; left: 0; color: var(--blue); }
.legal-content table { width: 100%; border-collapse: collapse; margin: 18px 0 24px; font-size: 14px; }
.legal-content th, .legal-content td { text-align: left; padding: 12px 14px; border: 1px solid var(--gray-100); color: var(--gray-600); }
.legal-content th { background: var(--gray-50); color: var(--navy-deep); font-family: var(--font-display); font-size: 13px; }
.legal-note {
  background: var(--blue-tint);
  border-left: 3px solid var(--blue);
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--navy);
  margin-bottom: 30px;
}

/* ---------- Form onay kutusu ---------- */
.field-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 18px;
}
.field-checkbox input {
  width: 18px; height: 18px;
  margin-top: 2px;
  accent-color: var(--blue);
  flex-shrink: 0;
}
.field-checkbox label { font-size: 13px; color: var(--gray-600); line-height: 1.5; }
.field-checkbox a { color: var(--blue); text-decoration: underline; }

/* Mobil menü paneli */
.mobile-nav {
  position: fixed;
  inset: 0 0 0 auto;
  width: min(80vw, 320px);
  height: 100vh;
  background: var(--navy-deep);
  z-index: 200;
  padding: 30px 26px;
  transform: translateX(100%);
  transition: transform 280ms ease;
  display: flex;
  flex-direction: column;
  gap: 26px;
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav a { color: var(--white); font-size: 17px; font-weight: 600; }
.mobile-nav-close { align-self: flex-end; background: none; border: none; color: var(--white); font-size: 24px; cursor: pointer; }
.mobile-overlay {
  position: fixed; inset: 0; background: rgba(10,32,56,0.5);
  z-index: 199; opacity: 0; pointer-events: none; transition: opacity 280ms ease;
}
.mobile-overlay.open { opacity: 1; pointer-events: auto; }