/* =========================================================
   TRANSMETAL DEMİR ÇELİK — plain HTML/CSS
   Breakpoints (Framer ile aynı):
   Desktop  ≥ 1200px
   Tablet   810px – 1199.98px
   Phone    ≤ 809.98px
   ========================================================= */

/* ---------- Fonts ---------- */
@font-face { font-family: "Erode"; src: url("../fonts/erode-400.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Erode"; src: url("../fonts/erode-500.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }

@font-face { font-family: "Inter"; src: url("../fonts/inter-300-latin.woff2") format("woff2"); font-weight: 300; font-style: normal; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2070, U+2074-207E, U+2080-208E, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Inter"; src: url("../fonts/inter-300-latin-ext.woff2") format("woff2"); font-weight: 300; font-style: normal; font-display: swap;
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Inter"; src: url("../fonts/inter-400-latin.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2070, U+2074-207E, U+2080-208E, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Inter"; src: url("../fonts/inter-400-latin-ext.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap;
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Inter"; src: url("../fonts/inter-500-latin.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2070, U+2074-207E, U+2080-208E, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Inter"; src: url("../fonts/inter-500-latin-ext.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap;
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF; }

/* Fallback metrics (Framer "Placeholder" fontlarıyla aynı) */
@font-face { font-family: "Erode Placeholder"; src: local("Times New Roman"); ascent-override: 91.88%; descent-override: 21.74%; line-gap-override: 8.89%; size-adjust: 101.22%; }
@font-face { font-family: "Inter Placeholder"; src: local("Arial"); ascent-override: 89.79%; descent-override: 22.36%; line-gap-override: 0%; size-adjust: 107.89%; }

/* ---------- Tokens ---------- */
:root {
  --gold: #b1915a;
  --navy: #1e1e3c;
  --navy-90: rgba(30, 30, 60, 0.9);
  --blue-dark: #002e51;
  --white: #fff;
  --off-white: #fafafa;
  --light-grey: #ccc;
  --grey: #8a8a8a;
  --charcoal: #292929;
  --black: #000;

  --serif: "Erode", "Erode Placeholder", serif;
  --sans: "Inter", "Inter Placeholder", sans-serif;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);   /* Framer spring yaklaşık karşılığı */
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--white);
  color: var(--black);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
h1, h2, h3, h4, h5, h6, p { margin: 0; }
a { color: inherit; text-decoration: none; }
img, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
input, textarea { font: inherit; }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 25px;
}

/* ---------- Typography ---------- */
.h1 { font: 500 62px/1.25em var(--serif); letter-spacing: -0.035em; color: var(--white); }
.h2 { font: 400 54px/1.25em var(--serif); letter-spacing: -0.04em; color: var(--black); }
.h3 { font: 400 46px/1.2em  var(--serif); letter-spacing: -0.04em; color: var(--black); }
.h4 { font: 400 42px/1.3em  var(--serif); letter-spacing: -0.04em; color: var(--black); }
.h5 { font: 500 32px/1.1em  var(--serif); letter-spacing: -0.03em; color: var(--black); }
.h6 { font: 400 24px/1em    var(--serif); letter-spacing: -0.03em; color: var(--black); }

.t30 { font: 500 30px/1.4em  var(--sans); letter-spacing: -0.04em;  color: var(--charcoal); }
.t20 { font: 500 20px/1.5em  var(--sans); letter-spacing: -0.045em; color: var(--grey); }
.t18 { font: 500 18px/1.55em var(--sans); letter-spacing: -0.025em; color: var(--grey); }
.t16 { font: 500 16px/1.5em  var(--sans); letter-spacing: -0.03em;  color: var(--grey); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 11px 16px 11px 20px;
  border-radius: 80px;
  overflow: hidden;
  font: 500 16px/1.5em var(--sans);
  letter-spacing: -0.03em;
  white-space: nowrap;
}
.btn--gold  { background: var(--gold);  color: var(--off-white); }
.btn--light { background: var(--white); color: var(--black); }

.arrow {
  position: relative;
  display: inline-block;
  flex: none;
  width: 17px;
  height: 17px;
  overflow: hidden;
}
.arrow svg {
  position: absolute;
  top: 0;
  width: 17px;
  height: 17px;
  fill: currentColor;
  transition: left .55s var(--ease);
}
.arrow__in  { left: -17px; }
.arrow__out { left: 0; }
.arrow--16, .arrow--16 svg { width: 16px; height: 17px; }
.arrow--16 .arrow__in { left: -17px; }

.btn:hover .arrow__in,
.contact-link:hover .arrow__in { left: 0; }
.btn:hover .arrow__out,
.contact-link:hover .arrow__out { left: 17px; }

/* ---------- Navbar ---------- */
.nav-fixed {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 10;
}
.nav {
  background: var(--navy-90);
  -webkit-backdrop-filter: blur(5px);
  backdrop-filter: blur(5px);
  padding: 20px 0;
}
.nav__container { overflow: visible; }
.nav__row {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo { display: flex; align-items: center; flex: none; }
.logo img { width: 252px; height: 30px; }

.nav__right { display: flex; align-items: center; justify-content: flex-end; gap: 22px; }
.nav__links { display: flex; align-items: center; gap: 24px; }

.nav-link {
  font: 500 16px/1.5em var(--sans);
  letter-spacing: -0.03em;
  color: var(--white);
  transition: opacity .3s var(--ease);
}
.nav-link:hover { opacity: .75; }

.menu-btn, .mobile-menu { display: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  min-height: 100svh;
  padding: 100px 0 40px;
  background: var(--navy);
  overflow: clip;
}
.hero > .container { display: flex; justify-content: center; }
.hero__grid {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
}
.hero__content { display: flex; flex-direction: column; align-items: flex-start; gap: 35px; }
.hero__text    { display: flex; flex-direction: column; align-items: flex-start; gap: 18px; }
.hero__lead {
  max-width: 470px;
  font: 500 18px/1.55em var(--sans);
  letter-spacing: -0.025em;
  color: var(--light-grey);
}

.hero__media {
  position: relative;
  justify-self: end;
  width: 450px;
  height: 580px;
  border-radius: 28px;
  z-index: 3;
}
.hero__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 28px;
}
.hero__card {
  position: absolute;
  left: -75px;
  bottom: 42px;
  width: 200px;
  height: 141px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  box-shadow: 0 0 52px rgba(0, 0, 0, 0.05);
  -webkit-backdrop-filter: blur(5px);
  backdrop-filter: blur(5px);
  overflow: clip;
  z-index: 1;
}
.hero__card-inner { position: relative; width: 100%; height: 97px; }
.hero__card-num {
  position: absolute;
  left: 15px;
  top: 0;
  transform: scale(1.6);
  transform-origin: 50% 50%;
}
.hero__card-num h2 {
  font: 400 54px/1.25em var(--serif);
  letter-spacing: -0.04em;
  color: var(--white);
  white-space: nowrap;
}
.hero__card-label {
  position: absolute;
  left: 0;
  top: 67px;
  font: 500 20px/1.5em var(--sans);
  letter-spacing: -0.045em;
  color: var(--white);
  white-space: nowrap;
}

/* ---------- Kurumsal ---------- */
.about { background: var(--white); padding: 58px 0; }
.about__container { display: flex; flex-direction: column; align-items: center; gap: 64px; }
.about__grid {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 54px;
}
.about__img {
  position: relative;
  height: 456px;
  border-radius: 32px;
  overflow: hidden;
  background: var(--white);
}
.about__img img { width: 100%; height: 100%; object-fit: cover; }
.about__text { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: 28px; }
.about__text .h4 { padding-top: 16px; }
.about__p { text-align: justify; }

.stats {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
}
.stat { display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; }
.stat .h2 { line-height: 1.25em; }
.stats__dot { width: 10px; height: 10px; border-radius: 50%; background: var(--navy); flex: none; }

/* ---------- Değerler ---------- */
.values { background: var(--off-white); padding: 60px 0; }
.values__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.value-card {
  position: relative;
  height: 350px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  background: var(--white);
  border-radius: 24px 0 24px 24px;
  overflow: hidden;
}
.value-card__icon { width: 48px; height: 48px; object-fit: contain; }
.value-card__text { display: flex; flex-direction: column; gap: 20px; }
.value-card__num {
  position: absolute;
  top: 0;
  right: 0;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--off-white);
  border-radius: 0 0 0 18px;
  z-index: 1;
}
.value-card__corner {
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 0 1000px 0 0;
  box-shadow: 4px -3px 0 2px var(--off-white);
  overflow: hidden;
}
.value-card__corner--l { left: -20px; top: 0; }
.value-card__corner--b { right: 0; bottom: -20px; }

/* ---------- Teknik ---------- */
.tech { padding: 72px 0; }
.tech__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 42px;
}
.tech__head { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: 28px; }
.tech__head .h3 { max-width: 80%; }
@media (min-width: 810px) {
  /* Akordeon açıldığında başlık yerinde kalsın ve görünür olsun */
  .tech__head { align-self: start; margin-top: 114px; position: sticky; top: 120px; }
}

.faq { display: flex; flex-direction: column; justify-content: center; gap: 24px; }
.faq__line { width: 100%; height: 1px; background: var(--black); opacity: .05; }
.faq__item { width: 100%; }
.faq__q {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 24px;
  text-align: left;
  cursor: pointer;
}
.faq__q .h6 { flex: 1; min-width: 0; }
.faq__q:focus-visible { outline: 2px solid var(--blue-dark); outline-offset: 6px; border-radius: 4px; }
.faq__icon { width: 14px; height: 14px; flex: none; transition: transform .5s var(--ease); }
.faq__item.is-open .faq__icon { transform: rotate(-180deg); }

/* Cevap paneli: yükseklik animasyonu (0fr → 1fr) */
.faq__a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .55s var(--ease);
}
.faq__item.is-open .faq__a { grid-template-rows: 1fr; }
.faq__a-clip { min-height: 0; overflow: hidden; }
.faq__a-inner {
  max-width: 90%;
  padding-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font: 300 14px/1.5em var(--sans);
  letter-spacing: -0.03em;
  color: var(--grey);
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity .35s ease, transform .55s var(--ease);
}
.faq__item.is-open .faq__a-inner { opacity: 1; transform: none; transition-delay: .08s; }
.faq__a-inner strong { font-weight: 500; color: var(--charcoal); }
.faq__a-inner .faq__sub {
  margin-top: 6px;
  font-weight: 500;
  color: var(--charcoal);
}
.faq__a-inner .faq__sub:first-child { margin-top: 0; }

/* ---------- Görsel hover zoom (video hariç) ---------- */
.zoom { overflow: hidden; isolation: isolate; }
.zoom > img {
  transition: transform .9s var(--ease);
  will-change: transform;
}
@media (hover: hover) {
  .zoom:hover > img,
  .product:hover .zoom > img { transform: scale(1.08); }
}

/* ---------- Ürünler ---------- */
.products { background: var(--white); padding: 58px 0; }
.products__container { display: flex; flex-direction: column; align-items: center; gap: 72px; }
.products__title { max-width: 700px; text-align: center; padding-top: 16px; }
.products__grid {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.product { display: flex; flex-direction: column; align-items: flex-start; gap: 22px; padding-bottom: 5px; }
.product__img {
  width: 369px;
  max-width: 100%;
  height: 390px;
  border-radius: 28px;
  overflow: hidden;
  background: var(--white);
}
.product__img img { width: 100%; height: 100%; object-fit: cover; }
.product__text { display: flex; flex-direction: column; gap: 3px; width: 100%; }

/* ---------- İletişim Formu ---------- */
.contact { background: var(--white); padding: 50px 0; overflow: hidden; }
.contact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 58px; }
.contact__left { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: 48px; }
.contact__head { display: flex; flex-direction: column; gap: 16px; }
.contact__head .h3 { max-width: 450px; }
.contact__head .t16 { max-width: 400px; }

.form { width: 100%; display: flex; flex-direction: column; gap: 36px; }
.form__fields { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.field { position: relative; display: block; }
.field--full { grid-column: 1 / -1; }
.field input,
.field textarea {
  display: block;
  width: 100%;
  margin: 0;
  padding: 16px 0;
  border: 0;
  border-bottom: 1px solid #00000012;
  border-radius: 0;
  background: transparent;
  color: var(--black);
  font: 500 16px/1.2em var(--sans);
  letter-spacing: -0.04em;
  outline: none;
  transition: border-color .2s ease;
  -webkit-appearance: none;
  appearance: none;
}
.field input { height: 52px; }
.field textarea { height: 150px; resize: none; }
.field input::placeholder,
.field textarea::placeholder { color: var(--grey); opacity: 1; }
.field input:focus,
.field textarea:focus { border-bottom-color: var(--blue-dark); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.form__btn {
  position: relative;
  width: 100%;
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 32px;
  border-radius: 12px;
  background: var(--navy);
  opacity: .9;
  color: var(--white);
  font: 500 18px/1.55em var(--sans);
  letter-spacing: -0.025em;
  transition: opacity .2s cubic-bezier(.44, 0, .56, 1), background-color .2s cubic-bezier(.44, 0, .56, 1);
}
.form__btn:hover { opacity: 1; }
.form__btn .spinner {
  display: none;
  width: 28px;
  height: 27px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, rgba(255, 255, 255, 0) 7deg, #fff 342deg);
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 2.5px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 2.5px));
  animation: spin 1s linear infinite;
}
.form__btn.is-loading .form__btn-label { display: none; }
.form__btn.is-loading .spinner { display: block; }
.form__btn.is-error { background: rgba(255, 34, 68, .15); color: rgb(255, 34, 68); opacity: 1; }
.form__btn:disabled { cursor: default; }
@keyframes spin { to { transform: rotate(360deg); } }

.contact__img { position: relative; height: 680px; border-radius: 22px; overflow: hidden; }
.contact__img img { width: 100%; height: 100%; object-fit: cover; border-radius: 22px; }

#bottom { height: 1px; }

/* ---------- Footer ---------- */
.footer {
  background: var(--navy);
  padding: 54px 25px 34px;
  overflow: hidden;
}
.footer__inner {
  max-width: 1150px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 100px;
}
.footer__grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 28px; }
.footer__brand { grid-column: span 2; display: flex; flex-direction: column; align-items: flex-start; gap: 24px; }
.footer__tagline {
  max-width: 280px;
  font: 500 20px/1.5em var(--sans);
  letter-spacing: -0.045em;
  color: var(--light-grey);
}
.socials { display: flex; align-items: center; gap: 10px; }
.social {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
}
.social img { width: 14px; height: 14px; object-fit: contain; transition: transform .5s var(--ease); }
.social:hover img { transform: scale(1.15); }

.footer__cols { grid-column: span 3; display: flex; justify-content: center; align-items: flex-start; gap: 10px; }
.footer__col { display: flex; flex-direction: column; align-items: flex-start; gap: 22px; }
.footer__col--menu    { flex: 2 1 0; min-width: 0; }
.footer__col--contact { flex: 3 1 0; min-width: 0; }
.footer__title {
  font: 500 16px/1.2em var(--sans);
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--white);
}
.footer__links { display: flex; flex-direction: column; gap: 14px; width: 100%; }
.footer-link {
  font: 500 16px/1.5em var(--sans);
  letter-spacing: -0.03em;
  color: var(--light-grey);
  transition: color .5s var(--ease);
}
.footer-link:hover { color: var(--white); }

.footer__contacts { display: flex; flex-direction: column; gap: 12px; width: 100%; }
.contact-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 12px 12px 18px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--white);
  overflow: hidden;
}
.contact-link > span:first-child {
  flex: 1;
  min-width: 0;
  font: 500 14px/1.2em var(--sans);
  letter-spacing: -0.04em;
  color: var(--off-white);
}

.footer__copy {
  font: 500 16px/1.5em var(--sans);
  letter-spacing: -0.03em;
  color: var(--light-grey);
}

/* ---------- Scroll / appear animations ---------- */
.js [data-anim] { transition: opacity .9s var(--ease), transform .9s var(--ease); }
.js [data-anim="nav"]        { opacity: 0; transform: translateY(-20px); }
.js [data-anim="hero-title"] { opacity: 0; transform: translateY(20px); transition-delay: .3s; }
.js [data-anim="hero-sub"]   { opacity: 0; transition-delay: .4s; }
.js [data-anim="hero-btn"]   { opacity: 0; transition-delay: .5s; }
.js [data-anim="hero-media"] { opacity: 0; transform: scale(.95); transition-delay: .2s; }
.js [data-anim="img"]        { opacity: 0; transform: translateY(25px) scale(.85); }
.js [data-anim="fade"]       { opacity: 0; }
.js [data-anim="up10"]       { opacity: 0; transform: translateY(10px); }
.js [data-anim="faq"]        { opacity: 0; transform: translateY(18px) scale(.95); }
.js [data-anim].is-in        { opacity: 1; transform: none; }
.js .hero__media[data-anim].is-in { transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js [data-anim] { opacity: 1 !important; transform: none !important; transition: none !important; }
  .faq__a, .faq__a-inner, .zoom > img { transition: none !important; }
}

/* =========================================================
   TABLET  810px – 1199.98px
   ========================================================= */
@media (min-width: 810px) and (max-width: 1199.98px) {
  .h1 { font-size: 58px; }
  .h2 { font-size: 50px; }
  .h3 { font-size: 44px; }
  .h4 { font-size: 40px; }
  .h5 { font-size: 30px; }
  .t30 { font-size: 28px; }

  .hero { padding: 144px 0 40px; }
  .hero__grid { grid-template-columns: 1fr; gap: 68px; }
  .hero__media { justify-self: stretch; width: 100%; height: 720px; }
  .hero__card { left: 30px; bottom: 31px; width: 375px; }
  .hero__card-num h2 { font-size: 50px; }

  .about__grid { gap: 38px; }
  .values__grid { grid-template-columns: 1fr 1fr; }
  .products__grid { grid-template-columns: 1fr 1fr; }
  .contact__grid { gap: 38px; }
  .faq__a-inner { font-size: 16px; }
}

/* =========================================================
   PHONE  ≤ 809.98px
   ========================================================= */
@media (max-width: 809.98px) {
  .h1 { font-size: 50px; }
  .h2 { font-size: 48px; }
  .h3 { font-size: 42px; }
  .h4 { font-size: 38px; }
  .h5 { font-size: 28px; }
  .t30 { font-size: 28px; }
  .t18, .hero__lead { font-size: 17px; }

  /* Navbar */
  .nav { padding: 12px 0; }
  .nav__container { padding: 0 20px; }
  .nav__row { height: 60px; }
  .nav__right { display: none; }
  .menu-btn {
    position: relative;
    display: block;
    width: 40px;
    height: 40px;
    border-radius: 1000px;
    flex: none;
  }
  .menu-btn__line {
    position: absolute;
    left: 10px;
    right: 10px;
    height: 2px;
    background: var(--white);
    transition: transform .5s var(--ease), top .5s var(--ease), bottom .5s var(--ease);
  }
  .menu-btn__line--a { top: 14px; }
  .menu-btn__line--b { bottom: 14px; }
  .nav.is-open .menu-btn__line--a { top: 19px; transform: rotate(-90deg); }
  .nav.is-open .menu-btn__line--b { bottom: 19px; }

  .mobile-menu {
    display: block;
    position: absolute;
    left: -20px;
    right: -20px;
    top: 70px;
    height: 1px;
    overflow: hidden;
    background: var(--navy);
    transition: height .6s var(--ease);
  }
  .mobile-menu__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    padding: 36px;
  }

  /* Hero */
  .hero { flex-direction: column; padding: 100px 0 40px; }
  .hero__grid { grid-template-columns: 1fr; gap: 36px; }
  .hero__media { order: -1; justify-self: stretch; width: 100%; height: 580px; }
  .hero__card { left: auto; right: 0; bottom: 0; }
  .hero__card-num h2 { font-size: 48px; }

  /* Kurumsal */
  .about__container { gap: 32px; }
  .about__grid { grid-template-columns: 1fr; gap: 20px; }
  .stats { display: grid; grid-template-columns: 1fr 1fr; padding-top: 0; }
  .stats__dot { display: none; }
  .stats .stat { min-height: 94px; }

  /* Değerler */
  .values__grid { grid-template-columns: 1fr; }

  /* Teknik */
  .tech { padding: 20px 0; }
  .tech__grid { grid-template-columns: 1fr; gap: 20px; }
  .faq { padding: 0 9px; }
  .faq__icon { width: 13px; height: 13px; }
  .faq__a-inner { font-size: 16px; max-width: 100%; }

  /* Ürünler */
  .products { padding: 30px 0; }
  .products__container { padding: 0 20px; }
  .products__grid { grid-template-columns: 1fr; }

  /* İletişim */
  .contact__grid { grid-template-columns: 1fr; grid-auto-rows: 1fr; }
  .contact__img { order: -1; }
  .form__btn { font-size: 17px; min-height: 58px; }

  /* Footer */
  .footer { padding: 38px 20px 34px; }
  .footer__grid { grid-template-columns: 1fr; gap: 72px; }
  .footer__brand, .footer__cols { grid-column: auto; }
  .footer__cols { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; }
  .footer__col--contact { grid-column: 1 / -1; }
}