:root {
  --lacivert-900: #0a1c38;
  --lacivert-800: #0f2a52;
  --lacivert-700: #173a6e;
  --lacivert-600: #1f4b8c;
  --mavi: #2f7fe0;
  --mavi-acik: #4ea8ff;
  --zemin: #ffffff;
  --zemin-acik: #f3f6fb;
  --cizgi: #e2e8f2;
  --metin: #0f2a52;
  --metin-soluk: #5b6b85;
  --radius: 14px;
  --golge: 0 1px 2px rgba(15, 42, 82, .04), 0 8px 24px rgba(15, 42, 82, .07);
  --golge-buyuk: 0 20px 50px rgba(15, 42, 82, .14);
  --font-baslik: 'Manrope', system-ui, sans-serif;
  --font-metin: 'Inter', system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body {
  margin: 0; background: var(--zemin); color: var(--metin);
  font-family: var(--font-metin); font-size: 16px; line-height: 1.7;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3 { font-family: var(--font-baslik); line-height: 1.2; margin: 0 0 .6em; letter-spacing: -.02em; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; }
.kap { width: min(1200px, 100% - 32px); margin-inline: auto; }
.ikon { flex: none; }

/* ---------- butonlar ---------- */
.dugme {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  padding: .85em 1.5em; border-radius: 10px; border: 2px solid var(--mavi);
  background: var(--mavi); color: #fff; font-weight: 600; font-size: .98rem; cursor: pointer;
  font-family: inherit; transition: background .2s, border-color .2s, transform .2s, color .2s;
}
.dugme:hover { background: var(--lacivert-600); border-color: var(--lacivert-600); transform: translateY(-1px); }
.dugme .ikon { transition: transform .2s; }
.dugme:hover .ikon { transform: translateX(3px); }
.dugme--cizgi { background: transparent; border-color: rgba(255, 255, 255, .4); }
.dugme--cizgi:hover { background: rgba(255, 255, 255, .1); border-color: #fff; }
.dugme--beyaz { background: #fff; border-color: #fff; color: var(--lacivert-800); }
.dugme--beyaz:hover { background: var(--zemin-acik); border-color: var(--zemin-acik); color: var(--lacivert-800); }
.dugme--kucuk { padding: .55em 1.1em; font-size: .92rem; }
.dugme--tam { width: 100%; }

.etiket {
  display: inline-block; margin-bottom: 1rem; padding: .3em .85em; border-radius: 999px;
  background: #e8f1fd; color: var(--mavi); font-size: .8rem; font-weight: 600;
  letter-spacing: .06em; text-transform: uppercase;
}
.etiket--acik { background: rgba(78, 168, 255, .15); color: var(--mavi-acik); }
.vurgu { color: var(--mavi-acik); }
.giris { font-size: 1.12rem; color: var(--metin-soluk); }
.metin-link { display: inline-flex; align-items: center; gap: .4em; font-weight: 600; color: var(--mavi); }
.metin-link:hover { gap: .7em; }
.metin-link--geri { margin-top: 1rem; }
.metin-link--geri .ikon { transform: rotate(180deg); }

/* ---------- üst bar & başlık ---------- */
.ustbar { background: var(--lacivert-900); color: #b9c6dc; font-size: .84rem; }
.ustbar__ic { display: flex; gap: 1.6rem; height: 38px; align-items: center; justify-content: flex-end; }
.ustbar span { display: inline-flex; align-items: center; gap: .45em; }
.ustbar a:hover { color: #fff; }

.baslik { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .96); backdrop-filter: blur(10px); border-bottom: 1px solid transparent; transition: border-color .2s, box-shadow .2s; }
.baslik.kaydi { border-color: var(--cizgi); box-shadow: 0 6px 24px rgba(15, 42, 82, .06); }
.baslik__ic { display: flex; align-items: center; justify-content: space-between; height: 80px; }

.logo { display: flex; align-items: center; gap: .7rem; }
.logo__isaret { width: 42px; height: 42px; }
.logo__yazi { font-family: var(--font-baslik); font-weight: 800; font-size: 1.35rem; letter-spacing: .04em; line-height: 1; color: var(--lacivert-800); }
.logo__yazi small { display: block; margin-top: 4px; font-size: .68rem; font-weight: 600; letter-spacing: .08em; color: var(--metin-soluk); text-transform: uppercase; }
.logo--acik .logo__yazi { color: #fff; }
.logo--acik .logo__yazi small { color: #9fb3d1; }

.menu { display: flex; align-items: center; gap: .3rem; }
.menu > a:not(.dugme), .menu__ust {
  display: inline-flex; align-items: center; gap: .3em;
  padding: .6em .85em; border-radius: 8px; font-weight: 600; font-size: .96rem; color: var(--lacivert-800);
  transition: background .15s, color .15s;
}
.menu > a:not(.dugme):hover, .menu__ust:hover, .menu .aktif { color: var(--mavi); background: #eef4fd; }
.menu .dugme { margin-left: .6rem; }
.menu__grup { position: relative; }
.menu__ac { display: none; }
.menu__ust .ikon { transition: transform .2s; }
.menu__grup:hover .menu__ust .ikon, .menu__grup:focus-within .menu__ust .ikon { transform: rotate(180deg); }
.menu__alt {
  position: absolute; top: 100%; left: 50%; min-width: 330px; padding: 12px;
  background: #fff; border: 1px solid var(--cizgi); border-radius: 14px; box-shadow: var(--golge-buyuk);
  opacity: 0; visibility: hidden; transform: translate(-50%, 8px); transition: .2s;
}
.menu__alt::before { content: ''; position: absolute; left: 0; right: 0; top: -12px; height: 12px; }
.menu__grup:hover .menu__alt, .menu__grup:focus-within .menu__alt { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.menu__alt-baslik { display: block; padding: 6px 10px 10px; font-size: .74rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--metin-soluk); }
.menu__alt a { display: flex; align-items: center; gap: .8rem; padding: .6rem .7rem; border-radius: 10px; font-weight: 600; font-size: .95rem; }
.menu__alt a:hover { background: var(--zemin-acik); color: var(--mavi); }
.menu__ikon { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; background: #eef4fd; color: var(--mavi); }
.menu__alt a:hover .menu__ikon { background: var(--mavi); color: #fff; }

.menu-dugme { display: none; padding: 10px; background: none; border: 0; cursor: pointer; }
.menu-dugme span { display: block; width: 24px; height: 2px; margin: 5px 0; background: var(--lacivert-800); transition: .25s; }
.menu-dugme[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-dugme[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-dugme[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- ağ deseni (koyu zeminler) ---------- */
.ag-desen {
  position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image:
    linear-gradient(rgba(78, 168, 255, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(78, 168, 255, .08) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 70% 30%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 30%, #000 20%, transparent 75%);
}

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; color: #fff; padding: 80px 0 60px; background: radial-gradient(ellipse at 80% 0%, var(--lacivert-700), var(--lacivert-900) 65%); }
.hero__ic { position: relative; display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center; }
.hero__yazi p { font-size: 1.15rem; color: #c3d0e6; max-width: 560px; }
.hero__dugmeler { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 2rem; }
.topoloji { width: 100%; max-width: 480px; margin-inline: auto; }
.topoloji__hatlar { opacity: .35; }
.topoloji__akis path { stroke-dasharray: 8 220; animation: akis 3.2s linear infinite; }
.topoloji__akis path:nth-child(2) { animation-delay: -.8s; }
.topoloji__akis path:nth-child(3) { animation-delay: -1.6s; }
.topoloji__akis path:nth-child(4) { animation-delay: -2.4s; }
.nabiz { transform-origin: 220px 200px; animation: nabiz 3s ease-out infinite; }
@keyframes akis { from { stroke-dashoffset: 228; } to { stroke-dashoffset: 0; } }
@keyframes nabiz { 0% { transform: scale(.8); opacity: 1; } 100% { transform: scale(1.6); opacity: 0; } }

.sayilar { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); margin: 60px 0 0; padding: 0; list-style: none; border: 1px solid rgba(255, 255, 255, .12); border-radius: var(--radius); background: rgba(255, 255, 255, .04); }
.sayilar li { padding: 24px; display: flex; flex-direction: column; border-left: 1px solid rgba(255, 255, 255, .12); }
.sayilar li:first-child { border-left: 0; }
.sayilar strong { font-family: var(--font-baslik); font-size: 2.1rem; font-weight: 800; line-height: 1.1; }
.sayilar span { color: #9fb3d1; font-size: .92rem; }
.sayilar--dikey { grid-template-columns: 1fr 1fr; margin: 0; border-color: var(--cizgi); background: #fff; }
.sayilar--dikey li { border-left: 0; border-top: 1px solid var(--cizgi); }
.sayilar--dikey li:nth-child(-n+2) { border-top: 0; }
.sayilar--dikey li:nth-child(even) { border-left: 1px solid var(--cizgi); }
.sayilar--dikey strong { color: var(--mavi); }
.sayilar--dikey span { color: var(--metin-soluk); }

/* ---------- sayfa üst bandı ---------- */
.sayfa-ust { position: relative; overflow: hidden; color: #fff; padding: 64px 0 72px; background: radial-gradient(ellipse at 85% 0%, var(--lacivert-700), var(--lacivert-900) 70%); }
.sayfa-ust .kap { position: relative; max-width: 1200px; }
.sayfa-ust h1 { max-width: 820px; font-size: clamp(1.9rem, 4vw, 2.9rem); }
.sayfa-ust p { max-width: 700px; color: #c3d0e6; font-size: 1.1rem; margin: 0; }
.iz { display: flex; flex-wrap: wrap; gap: .5em; margin-bottom: 1.4rem; font-size: .88rem; color: #9fb3d1; }
.iz a:hover { color: #fff; }

/* ---------- bölümler ---------- */
.bolum { position: relative; padding: 96px 0; }
.bolum--acik { background: var(--zemin-acik); }
.bolum--koyu { overflow: hidden; color: #fff; background: var(--lacivert-900); }
.bolum--koyu .kap { position: relative; }
.bolum--koyu .bolum__bas p { color: #9fb3d1; }
.bolum__bas { max-width: 720px; margin: 0 auto 52px; text-align: center; }
.bolum__bas p { color: var(--metin-soluk); font-size: 1.08rem; }
.bolum__bas--yan { display: flex; align-items: flex-end; justify-content: space-between; max-width: none; text-align: left; }
.bolum__bas--yan h2 { margin: 0; }

/* kartlar */
.kartlar { display: grid; gap: 22px; }
.kartlar--2 { grid-template-columns: repeat(2, 1fr); }
.kartlar--3 { grid-template-columns: repeat(3, 1fr); }
.kartlar--4 { grid-template-columns: repeat(4, 1fr); }
.kartlar--5 { grid-template-columns: repeat(6, 1fr); }
.kartlar--5 .kart { grid-column: span 2; }
.kartlar--5 .kart:nth-child(4) { grid-column: 2 / span 2; }
.kart {
  position: relative; display: flex; flex-direction: column; padding: 30px 28px;
  background: #fff; border: 1px solid var(--cizgi); border-radius: var(--radius);
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
a.kart:hover { border-color: transparent; box-shadow: var(--golge-buyuk); transform: translateY(-4px); }
.kart__ikon { display: grid; place-items: center; width: 56px; height: 56px; margin-bottom: 1.2rem; border-radius: 14px; background: #eef4fd; color: var(--mavi); transition: background .2s, color .2s; }
a.kart:hover .kart__ikon { background: var(--lacivert-800); color: #fff; }
.kart p { color: var(--metin-soluk); }
.kart__link { display: inline-flex; align-items: center; gap: .4em; margin-top: auto; padding-top: .6rem; font-weight: 600; color: var(--mavi); font-size: .94rem; }
a.kart:hover .kart__link .ikon, a.yazi-kart:hover .kart__link .ikon { transform: translateX(4px); }
.kart__link .ikon { transition: transform .2s; }
.kart--duz p { margin: 0; }
.mini-liste { list-style: none; margin: 0 0 1rem; padding: 0; font-size: .92rem; }
.mini-liste li { display: flex; align-items: center; gap: .5em; padding: .2em 0; color: var(--metin); }
.mini-liste .ikon { color: var(--mavi); }

/* çözüm satırları */
.cozum-izgara { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.cozum {
  display: flex; align-items: center; gap: 1.1rem; padding: 22px 24px;
  border: 1px solid rgba(255, 255, 255, .12); border-radius: var(--radius); background: rgba(255, 255, 255, .03);
  transition: background .2s, border-color .2s;
}
.cozum:hover { background: rgba(78, 168, 255, .08); border-color: rgba(78, 168, 255, .5); }
.cozum h3 { margin: 0 0 .2em; }
.cozum p { margin: 0; color: #9fb3d1; font-size: .93rem; line-height: 1.55; }
.cozum__ikon { display: grid; place-items: center; flex: none; width: 54px; height: 54px; border-radius: 12px; background: rgba(78, 168, 255, .15); color: var(--mavi-acik); }
.cozum__ok { margin-left: auto; color: var(--mavi-acik); transition: transform .2s; }
.cozum:hover .cozum__ok { transform: translateX(4px); }
.cozum-izgara--acik { grid-template-columns: 1fr; margin-bottom: 2.5rem; }
.cozum-izgara--acik .cozum { border-color: var(--cizgi); background: #fff; }
.cozum-izgara--acik .cozum:hover { border-color: var(--mavi); background: #f7faff; }
.cozum-izgara--acik .cozum p { color: var(--metin-soluk); }
.cozum-izgara--acik .cozum__ikon { background: #eef4fd; color: var(--mavi); }
.cozum-izgara--acik .cozum__ok { color: var(--mavi); }

/* iki kolon, özellikler, süreç */
.iki-kolon { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.iki-kolon--ortala { align-items: center; }
.ozellikler { list-style: none; margin: 2rem 0 0; padding: 0; display: grid; gap: 1.3rem; }
.ozellikler li { display: flex; gap: 1rem; }
.ozellikler li > span { display: grid; place-items: center; flex: none; width: 48px; height: 48px; border-radius: 12px; background: var(--lacivert-800); color: #fff; }
.ozellikler strong { display: block; font-family: var(--font-baslik); font-size: 1.05rem; }
.ozellikler div { color: var(--metin-soluk); }
.ozellikler strong { color: var(--metin); }
.surec { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; counter-reset: s; }
.surec li { display: flex; gap: 1.2rem; padding: 24px; border: 1px solid var(--cizgi); border-radius: var(--radius); background: #fff; transition: box-shadow .2s, border-color .2s; }
.surec li:hover { border-color: transparent; box-shadow: var(--golge); }
.surec li > span { font-family: var(--font-baslik); font-weight: 800; font-size: 1.5rem; color: var(--mavi); line-height: 1.2; }
.surec h3 { margin: 0 0 .3em; }
.surec p { margin: 0; color: var(--metin-soluk); }

/* blog kartları */
.yazi-kart { display: flex; flex-direction: column; padding: 28px; background: #fff; border: 1px solid var(--cizgi); border-radius: var(--radius); transition: box-shadow .2s, transform .2s; }
.yazi-kart:hover { box-shadow: var(--golge-buyuk); transform: translateY(-4px); }
.yazi-kart__ust { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; font-size: .85rem; color: var(--metin-soluk); }
.yazi-kart h3 { font-size: 1.2rem; }
.yazi-kart p { color: var(--metin-soluk); }
.rozet { display: inline-flex; align-items: center; gap: .4em; padding: .25em .75em; border-radius: 999px; background: #eef4fd; color: var(--mavi); font-size: .8rem; font-weight: 600; }
.rozet--buyuk { padding: .5em 1em; font-size: .9rem; }
.rozet--buyuk:hover { background: var(--mavi); color: #fff; }
.rozetler { display: flex; flex-wrap: wrap; gap: 10px; }

/* detay */
.detay { display: grid; grid-template-columns: 1fr 340px; gap: 56px; align-items: start; }
.detay__ana h2 { margin-top: 2.4rem; font-size: 1.5rem; }
.detay__ikon { display: grid; place-items: center; width: 72px; height: 72px; margin-bottom: 1.5rem; border-radius: 18px; background: var(--lacivert-800); color: #fff; }
.tik-liste { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.tik-liste li { display: flex; align-items: center; gap: .8rem; padding: 14px 16px; border: 1px solid var(--cizgi); border-radius: 12px; font-weight: 500; }
.tik-liste li > span { display: grid; place-items: center; flex: none; width: 28px; height: 28px; border-radius: 50%; background: #e7f6ee; color: #1a9a5a; }
.detay__yan { position: sticky; top: 110px; display: grid; gap: 20px; }
.yan-menu { padding: 20px; border: 1px solid var(--cizgi); border-radius: var(--radius); background: var(--zemin-acik); }
.yan-menu h3 { padding: 0 8px; font-size: 1rem; }
.yan-menu a { display: flex; align-items: center; gap: .7em; padding: .65em .8em; border-radius: 10px; font-weight: 500; font-size: .95rem; line-height: 1.4; }
.yan-menu a:hover { background: #fff; color: var(--mavi); }
.yan-menu a.aktif { background: var(--lacivert-800); color: #fff; }
.yan-cta { padding: 28px; border-radius: var(--radius); color: #fff; background: radial-gradient(ellipse at 100% 0%, var(--lacivert-600), var(--lacivert-800)); }
.yan-cta p { color: #c3d0e6; }
.yan-cta__tel { display: flex; justify-content: center; align-items: center; gap: .5em; margin-top: 1rem; font-weight: 600; }
.yazi p { font-size: 1.08rem; color: #33445f; }
.yazi__meta { display: flex; align-items: center; gap: 1rem; color: var(--metin-soluk) !important; font-size: .92rem !important; }

/* iletişim */
.iletisim { display: grid; grid-template-columns: 1fr 1.25fr; gap: 56px; align-items: start; }
.iletisim__bilgi > p { color: var(--metin-soluk); }
.iletisim__liste { list-style: none; margin: 2rem 0 0; padding: 0; display: grid; gap: 14px; }
.iletisim__liste li { display: flex; gap: 1rem; align-items: center; padding: 18px; border: 1px solid var(--cizgi); border-radius: var(--radius); }
.iletisim__liste li > span { display: grid; place-items: center; flex: none; width: 46px; height: 46px; border-radius: 12px; background: #eef4fd; color: var(--mavi); }
.iletisim__liste strong { display: block; font-size: .85rem; color: var(--metin-soluk); font-weight: 500; }
.iletisim__liste a:hover { color: var(--mavi); }
.form { display: grid; gap: 16px; padding: 36px; border: 1px solid var(--cizgi); border-radius: 18px; background: #fff; box-shadow: var(--golge); }
.form h2 { font-size: 1.5rem; margin: 0; }
.form label { display: grid; gap: 6px; font-size: .9rem; font-weight: 600; }
.form__satir { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form input, .form select, .form textarea {
  width: 100%; padding: .75em .95em; border: 1px solid #cfd8e6; border-radius: 10px; background: #fff;
  font: inherit; font-weight: 400; color: var(--metin); transition: border-color .15s, box-shadow .15s;
}
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--mavi); box-shadow: 0 0 0 3px rgba(47, 127, 224, .15); }
.form [aria-invalid="true"] { border-color: #d64545; }
.form__hata { color: #d64545; font-weight: 500; font-size: .84rem; }
.form__basari, .form__uyari { display: flex; align-items: center; gap: .6em; padding: 14px 16px; border-radius: 10px; font-weight: 500; }
.form__basari { background: #e7f6ee; color: #146c40; }
.form__uyari { background: #fdecec; color: #a02c2c; }
.form__tuzak { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form__not { margin: 0; font-size: .84rem; color: var(--metin-soluk); text-align: center; }
.harita iframe { display: block; width: 100%; height: 400px; border: 0; filter: grayscale(.3); }

/* CTA */
.cta { padding: 0 0 96px; }
.bolum--acik + .cta { padding-top: 0; background: linear-gradient(var(--zemin-acik) 50%, #fff 50%); }
.cta__ic {
  display: flex; align-items: center; justify-content: space-between; gap: 32px; padding: 52px 56px; border-radius: 20px; color: #fff;
  background: radial-gradient(ellipse at 100% 0%, var(--lacivert-600), var(--lacivert-800) 60%);
}
.cta h2 { margin-bottom: .3em; }
.cta p { margin: 0; color: #c3d0e6; max-width: 620px; }

/* altbilgi */
.altbilgi { padding: 72px 0 0; background: var(--lacivert-900); color: #9fb3d1; font-size: .94rem; }
.altbilgi__ic { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; }
.altbilgi__marka p { margin: 1.2rem 0; max-width: 340px; }
.altbilgi h3 { color: #fff; font-size: 1rem; margin-bottom: 1rem; }
.altbilgi__ic > div > a:not(.logo):not(.altbilgi__sosyal) { display: block; padding: .3em 0; }
.altbilgi a:hover { color: #fff; }
.altbilgi__ic p { display: flex; gap: .6em; align-items: flex-start; }
.altbilgi__ic p .ikon { margin-top: 4px; color: var(--mavi-acik); }
.altbilgi__sosyal { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 10px; background: rgba(255, 255, 255, .08); }
.altbilgi__sosyal:hover { background: var(--mavi); }
.altbilgi__alt { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; padding: 22px 0; border-top: 1px solid rgba(255, 255, 255, .1); font-size: .86rem; }

/* görünür olunca */
.belir { opacity: 0; transform: translateY(18px); transition: opacity .6s, transform .6s; }
.belir.gorundu { opacity: 1; transform: none; }

/* ---------- duyarlı ---------- */
@media (max-width: 1100px) {
  .kartlar--4 { grid-template-columns: repeat(2, 1fr); }
  .kartlar--5 { grid-template-columns: repeat(2, 1fr); }
  .kartlar--5 .kart, .kartlar--5 .kart:nth-child(4) { grid-column: auto; }
  .altbilgi__ic { grid-template-columns: 1fr 1fr; }
  .detay { grid-template-columns: 1fr 300px; gap: 36px; }
}

@media (max-width: 960px) {
  .ustbar__saat { display: none; }
  .menu-dugme { display: block; }
  .menu {
    position: absolute; top: 80px; left: 0; right: 0; display: none; flex-direction: column; align-items: stretch; gap: 0;
    max-height: calc(100vh - 80px); overflow-y: auto; padding: 12px 16px 24px; background: #fff; border-top: 1px solid var(--cizgi); box-shadow: 0 20px 30px rgba(15, 42, 82, .1);
  }
  .menu.acik { display: flex; }
  .menu > a:not(.dugme), .menu__ust { padding: .9em .6em; border-radius: 0; border-bottom: 1px solid var(--cizgi); }
  .menu > a:not(.dugme):hover, .menu__ust:hover, .menu .aktif { background: none; }
  .menu__grup { display: grid; grid-template-columns: 1fr auto; }
  .menu__ust .ikon { display: none; }
  .menu__ac { display: grid; place-items: center; width: 48px; background: none; border: 0; border-bottom: 1px solid var(--cizgi); color: var(--lacivert-800); cursor: pointer; }
  .menu__ac .ikon { transition: transform .2s; }
  .menu__ac[aria-expanded="true"] .ikon { transform: rotate(180deg); }
  .menu__alt { grid-column: 1 / -1; position: static; display: none; min-width: 0; padding: 6px 0 10px; border: 0; box-shadow: none; opacity: 1; visibility: visible; transform: none; }
  .menu__grup.acik .menu__alt { display: block; }
  .menu__grup:hover .menu__alt { transform: none; }
  .menu__alt-baslik { display: none; }
  .menu .dugme { margin: 1rem 0 0; }

  .hero { padding: 56px 0 48px; }
  .hero__ic, .iki-kolon, .detay, .iletisim { grid-template-columns: 1fr; gap: 40px; }
  .hero__gorsel { max-width: 380px; margin-inline: auto; }
  .sayilar { grid-template-columns: repeat(2, 1fr); }
  .sayilar li:nth-child(3) { border-left: 0; }
  .sayilar li:nth-child(n+3) { border-top: 1px solid rgba(255, 255, 255, .12); }
  .sayilar--dikey li:nth-child(n+3) { border-top: 1px solid var(--cizgi); }
  .kartlar--3 { grid-template-columns: repeat(2, 1fr); }
  .cozum-izgara { grid-template-columns: 1fr; }
  .detay__yan { position: static; }
  .cta__ic { flex-direction: column; align-items: flex-start; padding: 40px 32px; }
  .bolum { padding: 72px 0; }
}

@media (max-width: 640px) {
  .ustbar__ic { justify-content: center; gap: 1rem; font-size: .78rem; }
  .ustbar__ic span:nth-child(2) { display: none; }
  .logo__yazi { font-size: 1.15rem; }
  .logo__yazi small { font-size: .6rem; }
  .kartlar--2, .kartlar--3, .kartlar--4, .kartlar--5, .tik-liste, .form__satir { grid-template-columns: 1fr; }
  .bolum__bas--yan { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .form { padding: 24px 18px; }
  .sayilar li { padding: 18px; }
  .sayilar strong { font-size: 1.7rem; }
  .altbilgi__ic { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  .belir { opacity: 1; transform: none; }
}