/* ==========================================================================
   Shiftek — modern arayüz teması
   Yumuşak gradyanlar, geniş köşe yarıçapı, katmanlı gölge, hareketli bölümler.
   ========================================================================== */

:root {
  /* Renk */
  --murekkep: #0d1526;
  --murekkep-2: #545f78;
  --murekkep-3: #8a93a8;

  --zemin: #ffffff;
  --zemin-2: #f5f7fc;
  --zemin-3: #eef2f9;

  --marka: #0b62d6;
  --marka-koyu: #084ba6;
  --marka-mor: #4f46e5;
  --marka-menekse: #7c3aed;
  --marka-yumusak: #eaf1fd;

  --cizgi: rgba(13, 21, 38, 0.08);
  --cizgi-2: rgba(13, 21, 38, 0.14);

  --gradyan: linear-gradient(135deg, #0b62d6 0%, #4f46e5 55%, #7c3aed 100%);
  --gradyan-yumusak: linear-gradient(135deg, #eaf1fd 0%, #f1eefd 100%);

  /* Köşe yarıçapı */
  --r1: 12px;
  --r2: 16px;
  --r3: 22px;
  --r4: 30px;
  --r5: 40px;
  --tam: 999px;

  /* Gölge */
  --g1: 0 1px 2px rgba(13, 21, 38, 0.05);
  --g2: 0 6px 18px -6px rgba(13, 21, 38, 0.10), 0 2px 6px -2px rgba(13, 21, 38, 0.05);
  --g3: 0 22px 48px -16px rgba(13, 21, 38, 0.18), 0 8px 18px -8px rgba(13, 21, 38, 0.08);
  --g4: 0 40px 80px -28px rgba(13, 21, 38, 0.28);
  --g-marka: 0 14px 30px -10px rgba(11, 98, 214, 0.45);

  --kap: 1200px;
  --yan: 24px;

  --font: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --yay: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--zemin);
  color: var(--murekkep);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  /* clip, hidden'ın aksine kaydırma kabı oluşturmaz — yapışkan başlığı bozmaz. */
  overflow-x: clip;
}

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

h1, h2, h3 {
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  text-wrap: balance;
}

p { margin: 0; }

a { color: var(--marka); text-decoration: none; }

ul, ol { margin: 0; padding: 0; list-style: none; }

button { font: inherit; }

:focus-visible {
  outline: 2px solid var(--marka);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection { background: var(--marka-yumusak); color: var(--murekkep); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.atla {
  position: absolute;
  left: -9999px;
  top: 8px;
  z-index: 100;
  background: var(--murekkep);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--tam);
  font-weight: 600;
}

.atla:focus { left: 16px; color: #fff; }

.kap {
  width: 100%;
  max-width: var(--kap);
  margin-inline: auto;
  padding-inline: var(--yan);
}

.ikon { width: 20px; height: 20px; flex-shrink: 0; }

.gradyan-metin {
  background: var(--gradyan);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* --- Ortaya çıkma animasyonu --------------------------------------------- */

.js [data-goster] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.8s var(--yay), transform 0.8s var(--yay);
}

.js [data-goster].gorundu {
  opacity: 1;
  transform: none;
}

/* --- Düğmeler ------------------------------------------------------------- */

.dugme {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 24px;
  border: 1px solid transparent;
  border-radius: var(--tam);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.25s var(--yay), box-shadow 0.25s var(--yay),
    background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

.dugme .ikon { width: 18px; height: 18px; transition: transform 0.25s var(--yay); }

.dugme--buyuk { padding: 17px 30px; font-size: 16px; }

.dugme--birincil {
  background: var(--gradyan);
  color: #fff;
  box-shadow: var(--g-marka);
}

.dugme--birincil::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.35) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.7s var(--yay);
}

.dugme--birincil:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 20px 38px -12px rgba(11, 98, 214, 0.55);
}

.dugme--birincil:hover::after { transform: translateX(120%); }
.dugme--birincil:hover .ikon { transform: translateX(3px); }

.dugme--hayalet {
  background: rgba(255, 255, 255, 0.72);
  color: var(--murekkep);
  border-color: var(--cizgi-2);
  backdrop-filter: blur(8px);
  box-shadow: var(--g1);
}

.dugme--hayalet:hover {
  color: var(--marka);
  border-color: rgba(11, 98, 214, 0.4);
  background: #fff;
  transform: translateY(-2px);
  box-shadow: var(--g2);
}

.dugme--blok {
  width: 100%;
  justify-content: space-between;
  padding: 18px 26px;
  font-size: 16px;
}

.dugme:disabled { opacity: 0.5; cursor: default; transform: none; }

.ok-baglanti {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: inherit;
}

.ok-baglanti .ikon { width: 18px; height: 18px; transition: transform 0.25s var(--yay); }
.ok-baglanti:hover { color: inherit; }
.ok-baglanti:hover .ikon { transform: translateX(4px); }

/* --- Etiket / rozet ------------------------------------------------------- */

.etiket,
.rozet {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: var(--tam);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--marka);
  background: var(--marka-yumusak);
  margin-bottom: 20px;
}

.rozet {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(11, 98, 214, 0.18);
  box-shadow: var(--g1);
  backdrop-filter: blur(8px);
  letter-spacing: 0.08em;
}

.rozet .ikon { width: 14px; height: 14px; }

/* --- Üst çubuk ------------------------------------------------------------ */

.ust {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 14px 0;
  transition: background-color 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease,
    border-color 0.3s ease;
  border-bottom: 1px solid transparent;
}

.ust.kaydi {
  padding: 9px 0;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(16px);
  border-bottom-color: var(--cizgi);
  box-shadow: 0 6px 24px -18px rgba(13, 21, 38, 0.5);
}

.ust__ic {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.marka img { height: 32px; width: auto; }

.menu {
  display: flex;
  align-items: center;
  gap: 6px;
}

.menu__link {
  padding: 9px 14px;
  border-radius: var(--tam);
  color: var(--murekkep-2);
  font-size: 15px;
  font-weight: 600;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.menu__link:hover {
  color: var(--marka);
  background: var(--marka-yumusak);
}

.menu__cta { margin-left: 10px; }

.menu-dugme {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  padding: 0;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--cizgi-2);
  border-radius: var(--r1);
  cursor: pointer;
}

.menu-dugme__cizgi,
.menu-dugme__cizgi::before,
.menu-dugme__cizgi::after {
  position: absolute;
  left: 12px;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--murekkep);
  content: "";
  transition: transform 0.3s var(--yay), background-color 0.2s ease, top 0.3s var(--yay);
}

.menu-dugme__cizgi { top: 21px; }
.menu-dugme__cizgi::before { left: 0; top: -6px; }
.menu-dugme__cizgi::after { left: 0; top: 6px; }

.menu-dugme[aria-expanded="true"] .menu-dugme__cizgi { background: transparent; }
.menu-dugme[aria-expanded="true"] .menu-dugme__cizgi::before { top: 0; transform: rotate(45deg); }
.menu-dugme[aria-expanded="true"] .menu-dugme__cizgi::after { top: 0; transform: rotate(-45deg); }

/* --- Hero ----------------------------------------------------------------- */

.hero {
  position: relative;
  padding: 72px 0 104px;
  overflow: hidden;
  background: linear-gradient(180deg, #f7f9ff 0%, #ffffff 65%);
}

.hero--dar { padding: 96px 0 120px; }

.hare {
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 130%;
  pointer-events: none;
  z-index: 0;
}

.hare__leke {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  will-change: transform;
}

.hare__leke--1 {
  width: 520px; height: 520px;
  top: -60px; left: -80px;
  background: radial-gradient(circle, rgba(11, 98, 214, 0.55), transparent 68%);
  animation: yuz 22s ease-in-out infinite;
}

.hare__leke--2 {
  width: 460px; height: 460px;
  top: 60px; right: 4%;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.42), transparent 68%);
  animation: yuz 26s ease-in-out infinite reverse;
}

.hare__leke--3 {
  width: 420px; height: 420px;
  bottom: 4%; left: 42%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.32), transparent 68%);
  animation: yuz 30s ease-in-out infinite;
}

@keyframes yuz {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  33%      { transform: translate3d(40px, -30px, 0) scale(1.08); }
  66%      { transform: translate3d(-30px, 26px, 0) scale(0.94); }
}

.hero__ic {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}

.hero__baslik {
  font-size: clamp(38px, 5.2vw, 66px);
  line-height: 1.04;
  letter-spacing: -0.035em;
  margin-bottom: 22px;
  max-width: 16ch;
}

.hero__ozet {
  font-size: clamp(17px, 1.4vw, 19px);
  line-height: 1.65;
  color: var(--murekkep-2);
  max-width: 52ch;
  margin-bottom: 32px;
}

.hero__aksiyonlar {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 32px;
}

.guvenceler {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
}

.guvenceler li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--murekkep-2);
}

.guvenceler .ikon {
  width: 16px; height: 16px;
  color: #12b76a;
  stroke-width: 3;
}

/* Yöntem paneli */

.panel {
  position: relative;
  padding: 26px;
  border-radius: var(--r4);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: var(--g4);
  backdrop-filter: blur(18px);
}

.panel::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(140deg, rgba(11, 98, 214, 0.5), rgba(124, 58, 237, 0.25), transparent 65%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  pointer-events: none;
}

.panel__baslik {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--murekkep-3);
  margin-bottom: 16px;
  padding-inline: 4px;
}

.yontemler {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.yontem {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px;
  border-radius: var(--r2);
  background: #fff;
  border: 1px solid var(--cizgi);
  box-shadow: var(--g1);
  transition: transform 0.3s var(--yay), box-shadow 0.3s var(--yay), border-color 0.3s ease;
}

.yontem:hover {
  transform: translateY(-4px);
  box-shadow: var(--g3);
  border-color: rgba(11, 98, 214, 0.28);
}

.yontem__ikon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 8px;
  border-radius: var(--r1);
  background: var(--gradyan);
  color: #fff;
  box-shadow: var(--g-marka);
}

.yontem__ad { font-size: 15px; font-weight: 700; line-height: 1.25; }
.yontem__not { font-size: 13px; color: var(--murekkep-3); }

/* --- İstatistik şeridi ---------------------------------------------------- */

.seritler {
  position: relative;
  z-index: 2;
  margin-top: -56px;
}

.seritler__ic {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.seritler__ic {
  background: #fff;
  border: 1px solid var(--cizgi);
  border-radius: var(--r4);
  box-shadow: var(--g3);
  padding: 8px;
  max-width: calc(var(--kap) - var(--yan) * 2);
}

.serit {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 22px 26px;
  border-right: 1px solid var(--cizgi);
}

.serit:last-child { border-right: 0; }

.serit__deger {
  font-size: clamp(22px, 2.2vw, 30px);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: var(--gradyan);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.serit__aciklama { font-size: 14px; color: var(--murekkep-2); line-height: 1.4; }

/* --- Bölüm ---------------------------------------------------------------- */

.bolum { padding: 104px 0; }

.bolum--acik {
  background: var(--zemin-2);
  border-block: 1px solid var(--cizgi);
}

.bolum__ust {
  max-width: 62ch;
  margin-bottom: 48px;
}

.bolum__baslik {
  font-size: clamp(30px, 3.6vw, 46px);
  margin-bottom: 16px;
}

.bolum__ozet {
  font-size: 17px;
  line-height: 1.65;
  color: var(--murekkep-2);
}

/* --- Özellik kartları ----------------------------------------------------- */

.kartlar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.kart {
  position: relative;
  padding: 30px 28px;
  border-radius: var(--r3);
  background: #fff;
  border: 1px solid var(--cizgi);
  box-shadow: var(--g2);
  overflow: hidden;
  transition: transform 0.35s var(--yay), box-shadow 0.35s var(--yay), border-color 0.3s ease;
}

.kart::before {
  content: "";
  position: absolute;
  inset: -40% 40% 60% -20%;
  background: radial-gradient(circle, rgba(11, 98, 214, 0.16), transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.kart:hover {
  transform: translateY(-6px);
  box-shadow: var(--g3);
  border-color: rgba(11, 98, 214, 0.24);
}

.kart:hover::before { opacity: 1; }

.kart__ikon {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  margin-bottom: 20px;
  border-radius: var(--r2);
  background: var(--gradyan-yumusak);
  border: 1px solid rgba(11, 98, 214, 0.14);
  color: var(--marka);
  transition: background 0.35s ease, color 0.35s ease, transform 0.35s var(--yay),
    box-shadow 0.35s ease;
}

.kart__ikon .ikon { width: 24px; height: 24px; }

.kart:hover .kart__ikon {
  background: var(--gradyan);
  color: #fff;
  transform: scale(1.06) rotate(-4deg);
  box-shadow: var(--g-marka);
}

.kart__baslik { position: relative; font-size: 19px; margin-bottom: 10px; }

.kart__metin {
  position: relative;
  font-size: 15px;
  line-height: 1.6;
  color: var(--murekkep-2);
}

.kart--cta {
  grid-column: span 2;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 12px;
  background: var(--gradyan);
  border-color: transparent;
  color: #fff;
  box-shadow: var(--g-marka);
}

.kart--cta::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.28), transparent 65%);
  pointer-events: none;
}

.kart--cta .kart__baslik { font-size: 24px; max-width: 22ch; }
.kart--cta .kart__metin { color: rgba(255, 255, 255, 0.85); max-width: 46ch; }
.kart--cta .ok-baglanti { color: #fff; margin-top: 6px; }
.kart--cta:hover { border-color: transparent; }
.kart--cta::before { display: none; }

/* --- Ürün ----------------------------------------------------------------- */

.urun {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
}

.urun__maddeler {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 28px;
}

.urun__maddeler li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  font-weight: 500;
  color: var(--murekkep);
}

.urun__tik {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  margin-top: 1px;
  border-radius: 50%;
  background: var(--marka-yumusak);
  color: var(--marka);
}

.urun__tik .ikon { width: 14px; height: 14px; stroke-width: 3; }

.ekran {
  position: relative;
  margin: 0;
  perspective: 1400px;
}

.ekran::before {
  content: "";
  position: absolute;
  inset: 12% -6% -12% -6%;
  background: var(--gradyan);
  filter: blur(60px);
  opacity: 0.22;
  border-radius: var(--r5);
  pointer-events: none;
}

.ekran__cerceve {
  position: relative;
  border-radius: var(--r3);
  background: #fff;
  border: 1px solid var(--cizgi);
  box-shadow: var(--g4);
  overflow: hidden;
  transform: rotateX(4deg) rotateY(-7deg);
  transition: transform 0.5s var(--yay);
  will-change: transform;
}

.ekran:hover .ekran__cerceve { transform: rotateX(0deg) rotateY(0deg); }

.ekran__cubuk {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  background: var(--zemin-2);
  border-bottom: 1px solid var(--cizgi);
}

.ekran__cubuk span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cizgi-2);
}

.ekran__cubuk span:first-child { background: #ff5f57; }
.ekran__cubuk span:nth-child(2) { background: #febc2e; }
.ekran__cubuk span:nth-child(3) { background: #28c840; }

.ekran img { width: 100%; height: auto; }

/* --- Referanslar ---------------------------------------------------------- */

.referanslar {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.referans {
  position: relative;
  margin: 0;
  padding: 36px 32px 32px;
  border-radius: var(--r3);
  background: linear-gradient(160deg, #ffffff 0%, #f8faff 100%);
  border: 1px solid var(--cizgi);
  box-shadow: var(--g2);
  transition: transform 0.35s var(--yay), box-shadow 0.35s var(--yay);
}

.referans:hover { transform: translateY(-5px); box-shadow: var(--g3); }

.referans__tirnak {
  position: absolute;
  top: 8px;
  right: 26px;
  font-size: 90px;
  line-height: 1;
  font-weight: 800;
  background: var(--gradyan);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: 0.28;
}

.referans blockquote {
  position: relative;
  margin: 0 0 20px;
  font-size: clamp(18px, 1.6vw, 21px);
  line-height: 1.5;
  font-weight: 600;
}

.referans blockquote::before { content: "“"; }
.referans blockquote::after { content: "”"; }

.referans figcaption {
  font-size: 14px;
  font-weight: 600;
  color: var(--murekkep-3);
}

.referans-not {
  margin-top: 20px;
  font-size: 13px;
  color: var(--murekkep-3);
}

/* --- SSS ------------------------------------------------------------------ */

.sss {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 64px;
  align-items: start;
}

.sss__giris { position: sticky; top: 110px; }

.sss__liste {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sss__oge {
  border-radius: var(--r2);
  background: #fff;
  border: 1px solid var(--cizgi);
  box-shadow: var(--g1);
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.sss__oge:hover { border-color: rgba(11, 98, 214, 0.24); box-shadow: var(--g2); }
.sss__oge:has(.sss__soru[aria-expanded="true"]) { box-shadow: var(--g2); }

.sss__soru {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: 0;
  text-align: left;
  font-size: 16px;
  font-weight: 700;
  color: var(--murekkep);
  cursor: pointer;
  transition: color 0.2s ease;
}

.sss__soru:hover { color: var(--marka); }

.sss__isaret {
  position: relative;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--marka-yumusak);
  transition: background 0.3s ease, transform 0.3s var(--yay);
}

.sss__isaret::before,
.sss__isaret::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 2px;
  border-radius: 2px;
  background: var(--marka);
  transform: translate(-50%, -50%);
  transition: transform 0.3s var(--yay);
}

.sss__isaret::after { transform: translate(-50%, -50%) rotate(90deg); }

.sss__soru[aria-expanded="true"] .sss__isaret { background: var(--marka); transform: rotate(180deg); }
.sss__soru[aria-expanded="true"] .sss__isaret::before { background: #fff; }
.sss__soru[aria-expanded="true"] .sss__isaret::after { background: #fff; transform: translate(-50%, -50%) rotate(0deg); }

.sss__cevap {
  display: grid;
  grid-template-rows: 1fr;
  transition: grid-template-rows 0.4s var(--yay);
}

.sss__cevap > div { overflow: hidden; }

.sss__cevap p {
  padding: 0 24px 22px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--murekkep-2);
  max-width: 62ch;
}

.sss__oge.kapali .sss__cevap { grid-template-rows: 0fr; }

/* --- Teklif --------------------------------------------------------------- */

.teklif-bolum { padding: 104px 0; }

.teklif {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  padding: 56px;
  border-radius: var(--r5);
  background: var(--gradyan);
  color: #fff;
  box-shadow: var(--g4);
  overflow: hidden;
}

.teklif__aura {
  position: absolute;
  inset: auto -10% -60% 30%;
  height: 420px;
  background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.3), transparent 62%);
  pointer-events: none;
}

.teklif__metin { position: relative; }

.teklif__metin h2 {
  font-size: clamp(28px, 3.2vw, 42px);
  margin-bottom: 18px;
  max-width: 16ch;
}

.teklif__ozet {
  font-size: 17px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
  max-width: 44ch;
}

.teklif__iletisim {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}

.teklif__iletisim a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: var(--tam);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.24);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  transition: background 0.25s ease, transform 0.25s var(--yay);
}

.teklif__iletisim a:hover { background: rgba(255, 255, 255, 0.22); transform: translateY(-2px); color: #fff; }
.teklif__iletisim .ikon { width: 17px; height: 17px; }

.teklif__form {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-content: start;
  padding: 28px;
  border-radius: var(--r4);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(14px);
}

.alan { display: flex; flex-direction: column; gap: 7px; }
.alan--genis { grid-column: span 2; }

.alan--tuzak {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.alan__etiket {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.8);
}

.alan__girdi {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--r1);
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-family: inherit;
  font-size: 16px;
  outline: none;
  transition: border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.alan__girdi::placeholder { color: rgba(255, 255, 255, 0.55); }

.alan__girdi:focus {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.18);
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.14);
}

.alan__girdi:focus-visible { outline: none; }

.alan__girdi[aria-invalid="true"] {
  border-color: #ffc7bd;
  background: rgba(255, 120, 100, 0.16);
}

.alan__hata {
  font-size: 13px;
  font-weight: 600;
  color: #ffd7d1;
}

.alan__hata:empty { display: none; }

.teklif__form .dugme--blok {
  grid-column: span 2;
  margin-top: 4px;
  background: #fff;
  color: var(--marka);
  box-shadow: 0 14px 30px -14px rgba(0, 0, 0, 0.5);
}

.teklif__form .dugme--blok::after { display: none; }
.teklif__form .dugme--blok:hover { background: #f1f5ff; color: var(--marka-koyu); }

.teklif__durum {
  grid-column: span 2;
  font-size: 15px;
  font-weight: 600;
}

.teklif__durum:empty { display: none; }
.teklif__durum[data-tur="basarili"] { color: #d7ffe9; }
.teklif__durum[data-tur="hata"] { color: #ffd7d1; }

/* --- Alt bilgi ------------------------------------------------------------ */

.alt {
  background: #0a1020;
  color: rgba(255, 255, 255, 0.66);
  padding: 64px 0 28px;
  position: relative;
}

.alt::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(11, 98, 214, 0.7), rgba(124, 58, 237, 0.7), transparent);
}

.alt__ic {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}

.alt__marka img { height: 30px; width: auto; margin-bottom: 14px; }
.alt__marka p { font-size: 14px; max-width: 30ch; }

.alt__menu,
.alt__iletisim {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 15px;
}

.alt__menu a,
.alt__iletisim a {
  color: rgba(255, 255, 255, 0.66);
  transition: color 0.2s ease;
  width: fit-content;
}

.alt__menu a:hover,
.alt__iletisim a:hover { color: #fff; }

.alt__telif {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

/* --- 404 ------------------------------------------------------------------ */

.hata { position: relative; z-index: 1; max-width: 720px; }
.hata .hero__ozet { margin-bottom: 32px; }

/* ==========================================================================
   Duyarlı düzen
   ========================================================================== */

@media (max-width: 1080px) {
  .hero__ic { grid-template-columns: 1fr; gap: 48px; }
  .hero__baslik { max-width: 18ch; }
  .panel { max-width: 620px; }

  .kartlar { grid-template-columns: repeat(2, 1fr); }
  .kart--cta { grid-column: span 2; }

  .urun { grid-template-columns: 1fr; gap: 48px; }
  .ekran__cerceve { transform: none; }

  .sss { grid-template-columns: 1fr; gap: 36px; }
  .sss__giris { position: static; }

  .teklif { grid-template-columns: 1fr; gap: 40px; padding: 48px; }
}

@media (max-width: 900px) {
  .menu-dugme { display: block; }

  .menu {
    position: absolute;
    top: calc(100% + 8px);
    right: var(--yan);
    left: var(--yan);
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 12px;
    border-radius: var(--r3);
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid var(--cizgi);
    box-shadow: var(--g3);
    backdrop-filter: blur(18px);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.25s ease, transform 0.25s var(--yay), visibility 0.25s;
  }

  .menu.acik { opacity: 1; visibility: visible; transform: none; }

  .menu__link { padding: 14px 16px; font-size: 16px; }
  .menu__cta { margin: 6px 0 0; justify-content: center; }

  .seritler__ic { grid-template-columns: 1fr 1fr; }
  .serit:nth-child(2n) { border-right: 0; }
  .serit:nth-child(-n + 2) { border-bottom: 1px solid var(--cizgi); }

  .referanslar { grid-template-columns: 1fr; }
  .bolum, .teklif-bolum { padding: 80px 0; }
}

@media (max-width: 640px) {
  :root { --yan: 18px; }

  body { font-size: 15px; }

  .hero { padding: 48px 0 88px; }
  .hero__aksiyonlar .dugme { width: 100%; justify-content: center; }
  .yontemler { grid-template-columns: 1fr; }
  .panel { padding: 18px; border-radius: var(--r3); }

  .seritler { margin-top: -44px; }
  .seritler__ic { grid-template-columns: 1fr; border-radius: var(--r3); }
  .serit { border-right: 0; border-bottom: 1px solid var(--cizgi); }
  .serit:last-child { border-bottom: 0; }
  .serit:nth-child(-n + 2) { border-bottom: 1px solid var(--cizgi); }

  .bolum, .teklif-bolum { padding: 64px 0; }
  .bolum__ust { margin-bottom: 32px; }

  .kartlar { grid-template-columns: 1fr; }
  .kart--cta { grid-column: span 1; }
  .kart { padding: 24px 22px; }

  .referans { padding: 28px 24px; }
  .referans__tirnak { font-size: 64px; right: 18px; }

  .teklif { padding: 32px 22px; border-radius: var(--r4); }
  .teklif__form { padding: 20px; grid-template-columns: 1fr; }
  .alan--genis { grid-column: span 1; }
  .teklif__form .dugme--blok,
  .teklif__durum { grid-column: span 1; }

  .alt__ic { grid-template-columns: 1fr; gap: 28px; }
}

/* --- Hareket azaltma ------------------------------------------------------ */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .js [data-goster] { opacity: 1; transform: none; }
  .ekran__cerceve { transform: none; }
}