/* HST Yanartaş — renkler logodan, düzen teknik katalog dilinde */

:root {
  --ink:      #0F1519;
  --graphite: #263039;
  --steel:    #5D6C78;
  --line:     #D2D9DE;
  --mist:     #EDF1F3;
  --paper:    #FFFFFF;

  --red:      #D0121B;
  --red-dark: #A20D14;
  --blue:     #0E8FCB;
  --blue-ink: #0A5F87;

  --display: "Barlow Semi Condensed", "Arial Narrow", sans-serif;
  --body:    "IBM Plex Sans", system-ui, "Segoe UI", sans-serif;
  --mono:    "IBM Plex Mono", ui-monospace, "Courier New", monospace;
}

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--graphite);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a   { color: var(--blue-ink); }

h1, h2, h3 {
  font-family: var(--display);
  color: var(--ink);
  line-height: 1.1;
  margin: 0 0 .5em;
}

.wrap { width: min(100% - 2.5rem, 1180px); margin-inline: auto; }

:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }

/* ---------- Üst bilgi çubuğu ---------- */

.topbar {
  background: var(--ink);
  color: #A9B6C0;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .04em;
}
.topbar__inner {
  display: flex; flex-wrap: wrap; gap: 1.5rem;
  justify-content: flex-end; padding: .5rem 0;
}
.topbar a { color: inherit; text-decoration: none; }
.topbar a:hover { color: #fff; }
.topbar .lbl { color: var(--steel); margin-right: .35rem; }

/* ---------- Marka ve menü ---------- */

.site-head {
  position: sticky; top: 0; z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.head-main {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; padding: .9rem 0;
}

.brand { display: flex; align-items: center; gap: .85rem; text-decoration: none; }
.brand__logo { height: 74px; width: auto; }
.brand__mark {
  font-family: var(--display);
  font-weight: 700; font-size: 1.9rem; letter-spacing: -.02em;
  color: var(--red);
  border: 2px solid var(--red);
  padding: .05em .35em; line-height: 1;
}
.brand__text {
  display: flex; flex-direction: column;
  font-family: var(--display); line-height: 1.05; color: var(--ink);
}
.brand__text strong { font-size: 1.35rem; font-weight: 700; }
.brand__text span {
  font-family: var(--mono); font-size: .68rem;
  letter-spacing: .12em; text-transform: uppercase; color: var(--steel);
}

.nav { display: flex; flex-wrap: wrap; gap: .25rem; }
.nav a {
  font-family: var(--display);
  font-weight: 600; font-size: .96rem;
  text-transform: uppercase; letter-spacing: .045em;
  color: var(--graphite); text-decoration: none;
  padding: .6rem .8rem;
  border-bottom: 3px solid transparent;
}
.nav a:hover { color: var(--red); }
.nav a.is-current { color: var(--ink); border-bottom-color: var(--red); }

/* ---------- Slider ---------- */

.slider { position: relative; background: var(--ink); }
.slide { position: relative; display: none; }
.slide.is-active { display: block; }
.slide img { width: 100%; height: clamp(280px, 42vw, 460px); object-fit: cover; opacity: .55; }
.slide__body {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; justify-content: center;
  width: min(100% - 2.5rem, 1180px); margin-inline: auto;
  color: #fff;
}
.slide__body h2 {
  color: #fff; text-transform: uppercase;
  font-size: clamp(1.7rem, 4vw, 2.8rem); max-width: 20ch; margin-bottom: .3em;
}
.slide__body p { max-width: 42ch; color: #D6DEE4; margin: 0 0 1.5rem; }

.slider__dots {
  position: absolute; bottom: 1.25rem; left: 50%; transform: translateX(-50%);
  display: flex; gap: .5rem;
}
.slider__dots button {
  width: 34px; height: 4px; padding: 0; border: 0; cursor: pointer;
  background: rgba(255,255,255,.35);
}
.slider__dots button[aria-selected="true"] { background: var(--red); }

/* ---------- Hero (slider yokken) ---------- */

.hero { position: relative; background: var(--ink); color: #fff; overflow: hidden; }
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    135deg, rgba(255,255,255,.05) 0 1px, transparent 1px 9px
  );
  pointer-events: none;
}
.hero__inner {
  position: relative; z-index: 1;
  padding: clamp(3rem, 7vw, 5rem) 0;
  max-width: 46rem;
}
.hero__eyebrow {
  font-family: var(--mono); font-size: .74rem;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--blue); margin: 0 0 1rem;
}
.hero h1 {
  color: #fff; font-size: clamp(2.2rem, 5.5vw, 3.6rem);
  font-weight: 700; text-transform: uppercase; margin-bottom: .35em;
}
.hero p { color: #B9C5CE; max-width: 38rem; margin: 0 0 2rem; }

/* ---------- Düğme ---------- */

.btn {
  display: inline-block;
  font-family: var(--display); font-weight: 600;
  text-transform: uppercase; letter-spacing: .06em; font-size: .95rem;
  padding: .75rem 1.6rem; text-decoration: none;
  border: 2px solid var(--red); background: var(--red); color: #fff;
  transition: background .15s ease, border-color .15s ease;
}
.btn:hover { background: var(--red-dark); border-color: var(--red-dark); }
.btn--ghost { background: transparent; border-color: rgba(255,255,255,.4); color: #fff; }
.btn--ghost:hover { background: rgba(255,255,255,.12); border-color: #fff; }

/* ---------- Bölüm ---------- */

.section { padding: clamp(2.5rem, 6vw, 4.5rem) 0; }
.section--mist { background: var(--mist); }

.section-head {
  display: flex; align-items: baseline; gap: 1rem;
  border-bottom: 2px solid var(--ink);
  padding-bottom: .6rem; margin-bottom: 2rem;
}
.section-head h2 {
  font-size: clamp(1.5rem, 3.2vw, 2.1rem);
  text-transform: uppercase; margin: 0;
}
.section-head .note {
  margin-left: auto;
  font-family: var(--mono); font-size: .72rem;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--steel); white-space: nowrap;
}

/* ---------- Kategori künyesi ---------- */

.family-list { border-top: 1px solid var(--line); }

.family {
  display: grid;
  grid-template-columns: 1fr 9rem;
  align-items: center; gap: 1.5rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none; color: inherit;
  transition: background .15s ease;
}
.family:hover { background: var(--mist); }

.family__code {
  font-family: var(--mono); font-size: 1.5rem;
  color: var(--red);
  border-left: 3px solid var(--red);
  padding-left: .85rem;
}
.family__name {
  display: block;
  font-family: var(--display); font-weight: 600;
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
  color: var(--ink); text-transform: uppercase;
  margin-bottom: .15em;
}
.family__desc { margin: 0; color: var(--steel); font-size: .94rem; }
.family__meta {
  text-align: right;
  font-family: var(--mono); font-size: .78rem;
  color: var(--steel); letter-spacing: .06em;
}
.family:hover .family__meta { color: var(--red); }

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

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  text-decoration: none; color: inherit;
  display: flex; flex-direction: column;
  transition: border-color .15s ease, transform .15s ease;
}
.card:hover { border-color: var(--ink); transform: translateY(-2px); }
.card__figure { aspect-ratio: 4 / 3; background: var(--mist); overflow: hidden; }
.card__figure img { width: 100%; height: 100%; object-fit: cover; }
.card__body { padding: 1rem 1.1rem 1.2rem; }
.card__code {
  font-family: var(--mono); font-size: .7rem;
  letter-spacing: .12em; color: var(--red); text-transform: uppercase;
}
.card__name {
  display: block;
  font-family: var(--display); font-weight: 600; font-size: 1.1rem;
  color: var(--ink); margin: .3rem 0 .35rem; line-height: 1.2;
}
.card__desc { margin: 0; font-size: .87rem; color: var(--steel); }

/* ---------- Sayfa başlığı ---------- */

.page-head {
  background: var(--mist);
  border-bottom: 1px solid var(--line);
  padding: clamp(1.8rem, 4.5vw, 3rem) 0;
}
.page-head h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  text-transform: uppercase; margin: 0;
}
.page-head .kicker {
  font-family: var(--mono); font-size: .74rem;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--red); margin: 0 0 .5rem;
}

.crumbs {
  font-family: var(--mono); font-size: .74rem;
  color: var(--steel); padding: .9rem 0;
  border-bottom: 1px solid var(--line);
}
.crumbs a { color: var(--steel); text-decoration: none; }
.crumbs a:hover { color: var(--red); }

/* ---------- İçerik ---------- */

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}

.prose { max-width: 68ch; }
.prose--page {
  max-width: 62ch;
  margin-inline: auto;
  font-size: 1.06rem;
}
.prose--page p { margin: 0 0 1.35em; }
.contact-logo {
  max-width: 260px;
  height: auto;
  margin-top: 1.5rem;
}
.prose p { margin: 0 0 1.1em; }

.spec { width: 100%; border-collapse: collapse; font-size: .92rem; }
.spec th, .spec td {
  text-align: left; padding: .7rem 0;
  border-bottom: 1px solid var(--line); vertical-align: top;
}
.spec th {
  font-family: var(--mono); font-weight: 400; font-size: .76rem;
  letter-spacing: .06em; text-transform: uppercase;
  color: var(--steel); width: 38%;
}

.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: .75rem; }
.gallery img { aspect-ratio: 1; object-fit: cover; border: 1px solid var(--line); }
.figure-main img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  border: 1px solid var(--line); background: var(--mist);
}

.empty {
  border: 1px dashed var(--line);
  padding: 2rem; text-align: center;
  color: var(--steel); font-size: .94rem;
}

/* ---------- Footer ---------- */

.site-foot { background: var(--ink); color: #A9B6C0; }
.foot-grid {
  display: grid; grid-template-columns: 1.2fr 1fr 1.2fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  padding: clamp(2.5rem, 5vw, 3.5rem) 0 2.5rem;
}
.foot-title {
  color: #fff; font-size: .78rem; font-family: var(--mono); font-weight: 400;
  letter-spacing: .16em; text-transform: uppercase;
  padding-bottom: .6rem; border-bottom: 1px solid #2B3740; margin-bottom: 1rem;
}
.foot-list { list-style: none; margin: 0; padding: 0; }
.foot-list li { margin-bottom: .55rem; }
.foot-list a { color: #A9B6C0; text-decoration: none; font-size: .92rem; }
.foot-list a:hover { color: #fff; }
.foot-list .code {
  font-family: var(--mono); font-size: .72rem; color: var(--red);
  display: inline-block; width: 2.6rem;
}
.foot-dl { margin: 0; font-size: .92rem; }
.foot-dl dt {
  font-family: var(--mono); font-size: .7rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--steel); margin-top: .8rem;
}
.foot-dl dt:first-child { margin-top: 0; }
.foot-dl dd { margin: .1rem 0 0; color: #D6DEE4; }
.foot-dl a { color: #D6DEE4; }

.foot-base {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  border-top: 1px solid #2B3740; padding: 1.1rem 0;
  font-family: var(--mono); font-size: .74rem;
}
.foot-base a { color: var(--steel); text-decoration: none; }
.foot-base a:hover { color: #fff; }

/* ---------- Mobil ---------- */

@media (max-width: 900px) {
  .split, .foot-grid { grid-template-columns: 1fr; }
  .family { grid-template-columns: 1fr; }
  .family__meta { text-align: left; }
}

@media (max-width: 780px) {
  .head-main { flex-direction: column; align-items: flex-start; }
  .nav { width: 100%; }
  .topbar__inner { justify-content: flex-start; gap: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}
.cat-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: .5rem;
}
.cat-gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: var(--paper);
}

/* ---------- Lightbox ---------- */

.cat-gallery img { cursor: zoom-in; }

.lightbox {
  position: fixed; inset: 0; z-index: 100;
  display: none;
  background: rgba(15, 21, 25, .92);
  align-items: center; justify-content: center;
  padding: 2rem;
}
.lightbox.is-open { display: flex; }

.lightbox__img {
  max-width: min(92vw, 1000px);
  max-height: 88vh;
  width: auto; height: auto;
  object-fit: contain;
  background: var(--paper);
}

.lightbox__btn {
  position: absolute;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .3);
  color: #fff;
  width: 46px; height: 46px;
  font-size: 1.4rem; line-height: 1;
  cursor: pointer;
  display: grid; place-items: center;
}
.lightbox__btn:hover { background: rgba(255, 255, 255, .25); }

.lightbox__prev { left: 1.5rem; }
.lightbox__next { right: 1.5rem; }
.lightbox__close { top: 1.5rem; right: 1.5rem; }

.lightbox__count {
  position: absolute; bottom: 1.5rem; left: 50%; transform: translateX(-50%);
  font-family: var(--mono); font-size: .8rem;
  color: #A9B6C0; letter-spacing: .08em;
}

@media (max-width: 640px) {
  .lightbox__prev { left: .5rem; }
  .lightbox__next { right: .5rem; }
}

/* ---------- Ana sayfa: kategori kartları ---------- */

.group-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.group {
  display: flex; flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--line);
  text-decoration: none; color: inherit;
  transition: border-color .15s ease, transform .15s ease;
}
.group:hover { border-color: var(--ink); transform: translateY(-2px); }

.group__figure {
  display: block; position: relative;
  aspect-ratio: 4 / 3;
  background: var(--paper);          /* ürün fotoğrafları beyaz zeminli; gri zemin üstünde kutu gibi görünüyordu */
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
/* Mutlak konum: grid içinde height:100% çözülemiyor ve görsel taşıp kırpılıyordu */
.group__figure img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: contain; object-position: center;
  padding: .75rem;
}
.group__body {
  padding: 1.1rem 1.25rem 1.35rem;
  display: flex; flex-direction: column; flex: 1;
}
.group__name {
  font-family: var(--display); font-weight: 600;
  font-size: 1.2rem; line-height: 1.2;
  color: var(--ink); text-transform: uppercase;
  margin-bottom: .4rem;
}
.group__desc { margin: 0 0 1rem; font-size: .9rem; color: var(--steel); flex: 1; }
.group__more {
  font-family: var(--mono); font-size: .74rem;
  letter-spacing: .1em; color: var(--red);
}

/* ---------- Ana sayfa: hakkımızda ---------- */

.about-block { max-width: 70ch; }
.about-block h2 {
  font-size: clamp(1.5rem, 3.2vw, 2.1rem);
  text-transform: uppercase;
  border-bottom: 2px solid var(--ink);
  padding-bottom: .6rem; margin-bottom: 1.5rem;
}

/* ---------- Ana sayfa: iletişim şeridi ---------- */

.cta { background: var(--ink); color: #fff; }
.cta__inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1.5rem;
  padding: clamp(2rem, 4vw, 3rem) 0;
}
.cta h2 {
  color: #fff; font-size: clamp(1.4rem, 3vw, 1.9rem);
  text-transform: uppercase; margin: 0 0 .3rem;
}
.cta p { margin: 0; color: #B9C5CE; }
.cta__actions { display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; }
.cta__phone {
  font-family: var(--mono); font-size: 1.05rem;
  color: #fff; letter-spacing: .04em;
}