/* =====================================================================
   Döğer İş Makinaları Yedekleri — Ana Stil
   Premium / endüstriyel / kurumsal tasarım dili
   Renkler: siyah, kırmızı, antrasit, gri, beyaz, metalik
   ===================================================================== */

:root {
  --red:        #d31018;   /* logo kırmızısı */
  --red-dark:   #a60c12;
  --ink:        #0d1117;   /* neredeyse siyah */
  --anthracite: #16202b;
  --steel:      #1f2a37;
  --slate:      #475569;
  --muted:      #64748b;
  --line:       #e5e9f0;
  --bg:         #ffffff;
  --bg-soft:    #f5f7fa;
  --bg-metal:   linear-gradient(135deg,#1a2330 0%,#0d141d 100%);
  --white:      #ffffff;

  --radius:     14px;
  --radius-sm:  10px;
  --shadow-sm:  0 1px 2px rgba(13,17,23,.06), 0 1px 3px rgba(13,17,23,.05);
  --shadow:     0 6px 20px rgba(13,17,23,.08);
  --shadow-lg:  0 18px 48px rgba(13,17,23,.14);
  --ring:       0 0 0 3px rgba(211,16,24,.18);

  --container:  1200px;
  --font: "Inter","Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;
  --head: "Barlow Condensed","Inter",system-ui,sans-serif;
  --t: .25s cubic-bezier(.4,0,.2,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--font); color: var(--steel);
  background: var(--bg); line-height: 1.65; font-size: 16px;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--t); }
ul { margin: 0; padding: 0; list-style: none; }
h1,h2,h3,h4 { margin: 0 0 .5em; color: var(--ink); line-height: 1.15; font-weight: 700; }
p { margin: 0 0 1rem; }
:focus-visible { outline: none; box-shadow: var(--ring); border-radius: 6px; }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.section { padding: 84px 0; }
.section--soft { background: var(--bg-soft); }
.section--dark { background: var(--bg-metal); color: #cbd5e1; }
.section--dark h2, .section--dark h3, .section--dark h4 { color: #fff; }
.narrow { max-width: 820px; }

.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2,1fr); }
.grid-3 { grid-template-columns: repeat(3,1fr); }
.grid-4 { grid-template-columns: repeat(4,1fr); }

/* ---------- Section head ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--head); font-weight: 600; letter-spacing: .14em;
  text-transform: uppercase; font-size: .82rem; color: var(--red);
  margin-bottom: 14px;
}
.eyebrow::before { content:""; width: 28px; height: 2px; background: var(--red); display:inline-block; }
.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .eyebrow::before { display: none; }
.section-title {
  font-family: var(--head); font-weight: 700; text-transform: uppercase;
  letter-spacing: .01em; font-size: clamp(1.9rem, 3.4vw, 2.8rem); color: var(--ink);
}
.section--dark .section-title { color: #fff; }
.section-sub { color: var(--muted); font-size: 1.05rem; margin-top: 6px; }
.section--dark .section-sub { color: #94a3b8; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--head); font-weight: 600; letter-spacing: .04em; text-transform: uppercase;
  font-size: .95rem; padding: 13px 26px; border-radius: var(--radius-sm);
  border: 2px solid transparent; cursor: pointer; transition: all var(--t); white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--red); color: #fff; box-shadow: 0 8px 22px rgba(211,16,24,.28); }
.btn-primary:hover { background: var(--red-dark); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(211,16,24,.36); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: var(--anthracite); transform: translateY(-2px); }
.btn-outline { border-color: rgba(255,255,255,.4); color: #fff; }
.btn-outline:hover { background: #fff; color: var(--ink); border-color: #fff; }
.btn-ghost { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-ghost:hover { border-color: var(--red); color: var(--red); }
.btn-sm { padding: 9px 16px; font-size: .82rem; }
.btn-block { width: 100%; }

/* ---------- Topbar ---------- */
.topbar {
  background: var(--ink); color: #cbd5e1; font-size: .84rem;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 42px; }
.topbar a { color: #cbd5e1; }
.topbar a:hover { color: #fff; }
.topbar-info { display: flex; gap: 22px; flex-wrap: wrap; }
.topbar-info span { display: inline-flex; align-items: center; gap: 7px; }
.topbar-info svg { width: 15px; height: 15px; color: var(--red); }
.topbar-social { display: flex; gap: 12px; }
.topbar-social svg { width: 16px; height: 16px; }

/* ---------- Header / Navbar ---------- */
.header { position: sticky; top: 0; z-index: 60; background: #fff; box-shadow: var(--shadow-sm); }
.header.scrolled { box-shadow: 0 4px 24px rgba(13,17,23,.12); }
.navbar { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 78px; }
.brand { display: flex; align-items: center; gap: 12px; }
/* Beyaz navbar için açık zemin logosu (kırmızı marka + antrasit tagline). */
.brand img { height: 52px; width: auto; display: block; transition: transform var(--t); }
.brand:hover img { transform: scale(1.02); }

.nav { display: flex; align-items: center; gap: 4px; }
.nav > li > a {
  display: flex; align-items: center; gap: 6px; font-family: var(--head); font-weight: 600;
  text-transform: uppercase; letter-spacing: .04em; font-size: 1rem; color: var(--steel);
  padding: 12px 15px; border-radius: 8px; position: relative;
}
.nav > li > a:hover, .nav > li.current > a { color: var(--red); }
.nav > li > a .chev { width: 15px; height: 15px; transition: transform var(--t); }
.nav > li:hover > a .chev { transform: rotate(180deg); }

.nav-actions { display: flex; align-items: center; gap: 12px; }
.mobile-cta { display: none; }

/* Mega / Dropdown */
.has-mega { position: static; }
.has-drop { position: relative; }
.mega, .dropdown {
  position: absolute; top: calc(100% + 10px); opacity: 0; visibility: hidden;
  transform: translateY(10px); transition: all var(--t); z-index: 70;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}
.has-mega:hover .mega, .has-drop:hover .dropdown,
.has-mega:focus-within .mega, .has-drop:focus-within .dropdown {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.mega { left: 20px; right: 20px; max-width: var(--container); margin: 0 auto; padding: 26px; }
.mega-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 26px; }
.mega-feature { background: var(--bg-metal); color: #cbd5e1; border-radius: var(--radius-sm); padding: 22px; position: relative; overflow: hidden; }
.mega-feature h4 { color: #fff; font-family: var(--head); text-transform: uppercase; }
.mega-feature p { font-size: .9rem; color: #94a3b8; margin-bottom: 16px; }
.mega-col h5 { font-family: var(--head); text-transform: uppercase; letter-spacing: .08em; font-size: .78rem; color: var(--muted); margin: 0 0 12px; }
.mega-col a, .dropdown a { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 8px; color: var(--steel); font-size: .95rem; font-weight: 500; }
.mega-col a:hover, .dropdown a:hover { background: var(--bg-soft); color: var(--red); }
.mega-col a svg, .dropdown a svg { width: 16px; height: 16px; color: var(--red); flex: none; }
.dropdown { min-width: 260px; padding: 12px; left: 0; }

/* Mobile toggle */
.nav-toggle { display: none; width: 46px; height: 46px; border: 1px solid var(--line); border-radius: 10px; background: #fff; cursor: pointer; align-items: center; justify-content: center; }
.nav-toggle svg { width: 24px; height: 24px; color: var(--ink); }

/* ---------- Hero ---------- */
.hero { position: relative; color: #fff; overflow: hidden; background: var(--ink); }
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-bg::after { content:""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(9,12,17,.94) 0%, rgba(11,16,23,.86) 42%, rgba(13,17,23,.55) 100%); }
.hero-inner { position: relative; z-index: 2; padding: 96px 0 88px; max-width: 720px; }
.hero-tag { display: inline-flex; align-items: center; gap: 9px; background: rgba(211,16,24,.16); border: 1px solid rgba(211,16,24,.4); color: #fecaca; padding: 7px 15px; border-radius: 100px; font-size: .82rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 22px; }
.hero h1 { font-family: var(--head); font-weight: 700; text-transform: uppercase; color: #fff;
  font-size: clamp(2.3rem, 5.2vw, 4rem); line-height: 1.04; letter-spacing: .01em; }
.hero h1 .accent { color: var(--red); }
.hero-lead { font-size: 1.16rem; color: #cbd5e1; max-width: 620px; margin: 20px 0 30px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 12px 26px; }
.hero-trust li { display: flex; align-items: center; gap: 9px; font-size: .95rem; color: #e2e8f0; font-weight: 500; }
.hero-trust svg { width: 18px; height: 18px; color: var(--red); flex: none; }

/* ---------- Stats ---------- */
.stats { position: relative; z-index: 3; margin-top: -54px; }
.stats-grid { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-lg); display: grid; grid-template-columns: repeat(4,1fr); overflow: hidden; }
.stat { padding: 30px 26px; text-align: center; border-right: 1px solid var(--line); }
.stat:last-child { border-right: none; }
.stat-num { font-family: var(--head); font-weight: 700; font-size: 2.6rem; color: var(--ink); line-height: 1; }
.stat-num .plus { color: var(--red); }
.stat-label { font-size: .9rem; color: var(--muted); margin-top: 8px; font-weight: 500; }

/* ---------- Cards ---------- */
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: transform var(--t), box-shadow var(--t), border-color var(--t); display: flex; flex-direction: column; height: 100%; }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.card-media { position: relative; aspect-ratio: 16/10; overflow: hidden; background: var(--bg-soft); }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.card:hover .card-media img { transform: scale(1.06); }
.card-tag { position: absolute; top: 12px; left: 12px; background: var(--red); color: #fff; font-size: .72rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; padding: 5px 11px; border-radius: 100px; }
.card-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.card-body h3 { font-family: var(--head); text-transform: uppercase; font-size: 1.3rem; letter-spacing: .01em; }
.card-body p { color: var(--muted); font-size: .95rem; }
.card-foot { margin-top: auto; padding-top: 16px; display: flex; gap: 10px; align-items: center; }
.card-link { color: var(--red); font-family: var(--head); font-weight: 600; text-transform: uppercase; font-size: .9rem; letter-spacing: .04em; display: inline-flex; align-items: center; gap: 6px; }
.card-link svg { width: 16px; height: 16px; transition: transform var(--t); }
.card-link:hover svg { transform: translateX(4px); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 4px 0 14px; }
.chip { font-size: .72rem; background: var(--bg-soft); color: var(--slate); padding: 4px 10px; border-radius: 100px; border: 1px solid var(--line); font-weight: 500; }

/* Brand card */
.brand-card { text-align: center; }
.brand-logo { height: 150px; display: flex; align-items: center; justify-content: center; padding: 26px; background: #fff; border-bottom: 1px solid var(--line); }
/* Marka logoları her zaman tam renkli; hover'da yalnızca hafif büyüme. */
.brand-logo img { max-height: 92px; width: auto; object-fit: contain; opacity: 1; transition: transform var(--t); }
.card:hover .brand-logo img,
.brand-card:hover .brand-logo img { transform: scale(1.03); }

/* Icon feature */
.feature { display: flex; gap: 16px; align-items: flex-start; }
.feature-ic { flex: none; width: 52px; height: 52px; border-radius: 12px; display: flex; align-items: center; justify-content: center; background: rgba(211,16,24,.1); color: var(--red); }
.section--dark .feature-ic { background: rgba(211,16,24,.18); }
.feature-ic svg { width: 26px; height: 26px; }
.feature h4 { font-family: var(--head); text-transform: uppercase; font-size: 1.12rem; margin-bottom: 5px; }
.feature p { font-size: .94rem; color: var(--muted); margin: 0; }
.section--dark .feature p { color: #94a3b8; }

/* ---------- Split / About ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 54px; align-items: center; }
.split-media { position: relative; }
.split-media img { border-radius: var(--radius); box-shadow: var(--shadow-lg); width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.split-badge { position: absolute; bottom: -22px; right: -12px; background: var(--red); color: #fff; padding: 18px 24px; border-radius: var(--radius-sm); box-shadow: var(--shadow-lg); text-align: center; }
.split-badge b { font-family: var(--head); font-size: 2.2rem; line-height: 1; display: block; }
.split-badge span { font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; }
.check-list li { display: flex; gap: 11px; align-items: flex-start; margin-bottom: 11px; color: var(--steel); }
.check-list svg { width: 20px; height: 20px; color: var(--red); flex: none; margin-top: 2px; }

/* ---------- Forms ---------- */
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: .85rem; font-weight: 600; color: var(--steel); }
.field label .req { color: var(--red); }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px;
  font-family: inherit; font-size: .95rem; color: var(--ink); background: #fff; transition: border-color var(--t), box-shadow var(--t);
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--red); box-shadow: var(--ring); outline: none; }
.field textarea { resize: vertical; min-height: 120px; }
.kvkk { display: flex; gap: 10px; align-items: flex-start; font-size: .85rem; color: var(--muted); }
.kvkk input { width: 18px; height: 18px; margin-top: 2px; flex: none; accent-color: var(--red); }
.form-note { font-size: .82rem; color: var(--muted); }

.alert { padding: 14px 16px; border-radius: 10px; font-size: .93rem; margin-bottom: 16px; border: 1px solid; }
.alert-success { background: #ecfdf5; border-color: #a7f3d0; color: #065f46; }
.alert-error { background: #fef2f2; border-color: #fecaca; color: #991b1b; }

/* ---------- Accordion (SSS) ---------- */
.accordion { max-width: 860px; margin: 0 auto; }
.acc-item { border: 1px solid var(--line); border-radius: var(--radius-sm); margin-bottom: 12px; background: #fff; overflow: hidden; }
.acc-head { width: 100%; text-align: left; background: none; border: none; cursor: pointer; padding: 20px 22px; font-family: var(--head); font-weight: 600; font-size: 1.12rem; color: var(--ink); display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.acc-head .ic { flex: none; width: 26px; height: 26px; border-radius: 50%; background: var(--bg-soft); display: flex; align-items: center; justify-content: center; transition: all var(--t); }
.acc-head .ic svg { width: 16px; height: 16px; transition: transform var(--t); }
.acc-item.open .acc-head { color: var(--red); }
.acc-item.open .acc-head .ic { background: var(--red); color: #fff; }
.acc-item.open .acc-head .ic svg { transform: rotate(45deg); }
.acc-body { max-height: 0; overflow: hidden; transition: max-height var(--t); }
.acc-body-inner { padding: 0 22px 20px; color: var(--muted); }

/* ---------- Breadcrumb / page hero ---------- */
.page-hero { background: var(--bg-metal); color: #fff; padding: 54px 0; position: relative; overflow: hidden; }
.page-hero::after { content:""; position: absolute; right: -80px; top: -80px; width: 320px; height: 320px; background: radial-gradient(circle, rgba(211,16,24,.28), transparent 70%); }
.page-hero h1 { color: #fff; font-family: var(--head); text-transform: uppercase; font-size: clamp(1.9rem,4vw,2.9rem); position: relative; }
.breadcrumb { display: flex; gap: 8px; align-items: center; font-size: .88rem; color: #94a3b8; margin-bottom: 12px; position: relative; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb svg { width: 14px; height: 14px; }

/* ---------- CTA band ---------- */
.cta-band { background: var(--red); color: #fff; border-radius: var(--radius); padding: 44px; display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap; box-shadow: var(--shadow-lg); }
.cta-band h3 { color: #fff; font-family: var(--head); text-transform: uppercase; font-size: 1.8rem; margin: 0; }
.cta-band p { color: rgba(255,255,255,.9); margin: 6px 0 0; }

/* ---------- Blog article ---------- */
.article { max-width: 780px; margin: 0 auto; font-size: 1.05rem; color: var(--steel); }
.article h2 { font-family: var(--head); text-transform: uppercase; font-size: 1.7rem; margin: 34px 0 12px; }
.article h3 { font-size: 1.3rem; margin: 26px 0 10px; }
.article a { color: var(--red); text-decoration: underline; }
.article img { border-radius: var(--radius); margin: 20px 0; }

/* ---------- Detail lists ---------- */
.spec-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.spec { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 20px; }
.spec h4 { font-family: var(--head); text-transform: uppercase; font-size: 1rem; letter-spacing: .04em; display: flex; align-items: center; gap: 8px; }
.spec h4 svg { width: 18px; height: 18px; color: var(--red); }
.spec p, .spec ul { color: var(--muted); font-size: .95rem; margin: 6px 0 0; }
.spec ul li { position: relative; padding-left: 16px; margin-bottom: 4px; }
.spec ul li::before { content:""; position: absolute; left: 0; top: 9px; width: 6px; height: 6px; border-radius: 50%; background: var(--red); }

/* ---------- Footer ---------- */
.footer { background: var(--ink); color: #94a3b8; padding-top: 64px; }
.footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 36px; padding-bottom: 44px; }
.footer h5 { color: #fff; font-family: var(--head); text-transform: uppercase; letter-spacing: .06em; font-size: 1rem; margin-bottom: 18px; }
.footer-brand img { height: 42px; margin-bottom: 16px; }
.footer-brand p { font-size: .92rem; line-height: 1.7; }
.footer-menu li { margin-bottom: 9px; }
.footer-menu a { font-size: .93rem; }
.footer-contact li { display: flex; gap: 11px; align-items: flex-start; margin-bottom: 12px; font-size: .93rem; }
.footer-contact svg { width: 18px; height: 18px; color: var(--red); flex: none; margin-top: 2px; }
.footer-social { display: flex; gap: 10px; margin-top: 16px; }
.footer-social a { width: 38px; height: 38px; border-radius: 9px; background: rgba(255,255,255,.06); display: flex; align-items: center; justify-content: center; }
.footer-social a:hover { background: var(--red); }
.footer-social svg { width: 18px; height: 18px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 20px 0; display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; font-size: .85rem; }
.footer-bottom .legal { display: flex; gap: 18px; flex-wrap: wrap; }

/* ---------- Floating quote button ---------- */
.float-cta { position: fixed; right: 20px; bottom: 20px; z-index: 55; display: flex; flex-direction: column; gap: 10px; }
.float-cta a { width: 56px; height: 56px; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-lg); color: #fff; transition: transform var(--t); }
.float-cta a:hover { transform: scale(1.08); }
.float-wa { background: #25d366; }
.float-phone { background: var(--red); }
.float-cta svg { width: 26px; height: 26px; }

/* ---------- Map ---------- */
.map-wrap { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); min-height: 340px; background: var(--bg-soft); position: relative; }
.map-wrap iframe { width: 100%; height: 100%; min-height: 340px; border: 0; display: block; }
.map-load { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 12px; cursor: pointer; color: var(--muted); }

/* ---------- AOS-lite (reveal) ---------- */
[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
[data-reveal].in { opacity: 1; transform: none; }

/* ---------- Utilities ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.mt-4 { margin-top: 2rem; }
.divider { height: 1px; background: var(--line); margin: 40px 0; }

/* =====================================================================
   Responsive
   ===================================================================== */
@media (max-width: 1024px) {
  .mega-grid { grid-template-columns: 1fr 1fr; }
  .mega-feature { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .split { gap: 36px; }
}
@media (max-width: 860px) {
  .section { padding: 60px 0; }
  .topbar-info { gap: 14px; }
  .nav-actions .btn { display: none; }
  /* Toggle (hamburger/kapat) çekmecenin ÜSTÜNde kalmalı ki kapatma çalışsın. */
  .nav-toggle { display: flex; position: relative; z-index: 70; }

  /* Mobile nav drawer */
  .nav {
    position: fixed; inset: 0 0 0 auto; width: min(360px, 88vw); background: #fff;
    flex-direction: column; align-items: stretch; gap: 0; padding: 84px 18px 30px;
    transform: translateX(100%); transition: transform var(--t); box-shadow: var(--shadow-lg);
    overflow-y: auto; z-index: 65;
  }
  .nav.open { transform: translateX(0); }
  .nav > li { border-bottom: 1px solid var(--line); }
  .nav > li > a { padding: 15px 8px; font-size: 1.1rem; justify-content: space-between; }
  .mega, .dropdown { position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: none; padding: 0 0 12px; max-height: 0; overflow: hidden; transition: max-height var(--t); }
  .has-mega.open .mega, .has-drop.open .dropdown { max-height: 1400px; }
  .has-mega:hover .mega, .has-drop:hover .dropdown { opacity: 1; } /* override */
  .mega-grid { grid-template-columns: 1fr; gap: 4px; }
  .mega-col a, .dropdown a { padding: 11px 10px; }
  /* Mobilde mega menü içindeki "Ürün Grupları / Diğer Gruplar" ara başlıklarını gizle. */
  .mega-col h5 { display: none; }
  .mega { padding: 4px 0 10px; }
  /* Backdrop, header'ın stacking context'inin (z-index:60) ALTINDA kalmalı;
     aksi halde header içindeki menü çekmecesini örter (siyah ekran + tıklanmaz). */
  .nav-backdrop { position: fixed; inset: 0; background: rgba(13,17,23,.5); opacity: 0; visibility: hidden; transition: opacity var(--t); z-index: 58; }
  .nav-backdrop.show { opacity: 1; visibility: visible; }
  .nav .mobile-cta { display: block; margin-top: 16px; }
}
@media (max-width: 720px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .grid-3.keep-2, .grid-4.keep-2 { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(2) { border-right: none; }
  .stat { border-bottom: 1px solid var(--line); }
  .split { grid-template-columns: 1fr; }
  .split-badge { right: 16px; }
  .form-grid, .spec-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 30px; text-align: center; justify-content: center; }
  .topbar-info span:nth-child(n+2) { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .section-head { margin-bottom: 34px; }
}
@media (max-width: 420px) {
  .stats-grid { grid-template-columns: 1fr; }
  .stat { border-right: none; }
  .brand-text small { display: none; }
}