/* ════════════════════════════════════════════════════
   SEREZLİ METAL — karbon · krom · kırmızı
   ════════════════════════════════════════════════════ */

:root {
  --bg: #0a0a0d;
  --bg-2: #0e0e12;
  --panel: #131318;
  --line: rgba(255, 255, 255, 0.08);
  --red: #e8192c;
  --red-deep: #a90f1e;
  --red-glow: rgba(232, 25, 44, 0.35);
  --text: #ecedef;
  --muted: #a3a6ad;
  --chrome-a: #ffffff;
  --chrome-b: #c9cdd3;
  --chrome-c: #83898f;
  --font-display: "Barlow Condensed", "Inter", sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --container: 75rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  /* tema-duyarlı yardımcılar (varsayılan: karbon koyu) */
  --strong: #ffffff;
  --faint: rgba(255, 255, 255, 0.35);
  --chrome-d: #e8eaed;
  --nav-bg: rgba(9, 9, 12, 0.82);
  --menu-bg: rgba(8, 8, 10, 0.97);
  --footer-bg: #08080a;
  --card-tint: rgba(255, 255, 255, 0.025);
  --hover-tint: rgba(255, 255, 255, 0.02);
  --line-strong: rgba(255, 255, 255, 0.18);
  --ghost-border: rgba(255, 255, 255, 0.25);
  --ghost-bg: rgba(12, 12, 16, 0.6);
  --ghost-hover: rgba(255, 255, 255, 0.08);
  --grid-line: rgba(255, 255, 255, 0.025);
  --bp-stroke: rgba(255, 255, 255, 0.5);
  --bp-thin: rgba(255, 255, 255, 0.22);
  --bp-center: rgba(255, 255, 255, 0.28);
  --marquee: rgba(255, 255, 255, 0.34);
  --scroll-thumb: #26262e;
  --logo-filter: none;
  --map-filter: grayscale(1) invert(0.9) contrast(0.9) brightness(0.9) hue-rotate(180deg);
  color-scheme: dark;
}

/* ─── AÇIK TEMA — çelik/alüminyum yüzey, aynı kırmızı vurgu ─── */
:root[data-theme="light"] {
  --bg: #f3f3f5;
  --bg-2: #e9e9ed;
  --panel: #ffffff;
  --line: rgba(10, 10, 13, 0.1);
  --red-glow: rgba(232, 25, 44, 0.28);
  --text: #121217;
  --muted: #555963;
  --chrome-a: #4a4f57;
  --chrome-b: #8a9099;
  --chrome-c: #1b1d21;
  --chrome-d: #555b64;
  --strong: #0a0a0d;
  --faint: rgba(10, 10, 13, 0.45);
  --nav-bg: rgba(248, 248, 250, 0.88);
  --menu-bg: rgba(246, 246, 248, 0.98);
  --footer-bg: #e6e6ea;
  --card-tint: rgba(255, 255, 255, 0.7);
  --hover-tint: rgba(10, 10, 13, 0.03);
  --line-strong: rgba(10, 10, 13, 0.22);
  --ghost-border: rgba(10, 10, 13, 0.22);
  --ghost-bg: rgba(255, 255, 255, 0.7);
  --ghost-hover: rgba(10, 10, 13, 0.05);
  --grid-line: rgba(10, 10, 13, 0.045);
  --bp-stroke: rgba(10, 10, 13, 0.55);
  --bp-thin: rgba(10, 10, 13, 0.25);
  --bp-center: rgba(10, 10, 13, 0.3);
  --marquee: rgba(10, 10, 13, 0.3);
  --scroll-thumb: #c4c4cc;
  /* krom logo açık zeminde: ton ters çevrilir, kırmızı korunur */
  --logo-filter: invert(1) hue-rotate(180deg) brightness(0.92) contrast(1.15);
  --map-filter: grayscale(1) contrast(1.05);
  color-scheme: light;
}
:root[data-theme="light"] .only-dark,
:root:not([data-theme="light"]) .only-light { display: none !important; }

/* ─── Akışkan ölçek: 15" dizüstünden 32" 4K monitöre ─── */
html { font-size: 100%; }
@media (min-width: 1680px) { html { font-size: 106.25%; } }  /* 17px */
@media (min-width: 1920px) { html { font-size: 112.5%; } }   /* 18px — 24"/27" FHD */
@media (min-width: 2400px) { html { font-size: 125%; } }     /* 20px — 27"/32" QHD */
@media (min-width: 3000px) { html { font-size: 150%; } }     /* 24px — 32" 4K @100% */

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
sup { font-size: 0.55em; }

.container {
  width: min(var(--container), 100% - 2.5rem);
  margin-inline: auto;
}

::selection { background: var(--red); color: #fff; }

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--scroll-thumb); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--red-deep); }

/* ─── Scroll progress ─── */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0;
  background: linear-gradient(90deg, var(--red-deep), var(--red));
  box-shadow: 0 0 12px var(--red-glow);
  z-index: 1001;
}

/* ════════ TİPOGRAFİ ORTAK ════════ */
.section { padding: clamp(5rem, 10vw, 8.5rem) 0; position: relative; }

.section__kicker {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.32em;
  color: var(--red);
  margin-bottom: 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.9rem;
}
.section__kicker::before {
  content: "";
  width: 2.4rem; height: 2px;
  background: var(--red);
  transform: skewX(-30deg);
}
.section__kicker--light { justify-content: center; }
.section__kicker--light::before { display: none; }

.section__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.015em;
  text-transform: uppercase;
}
.section__head { margin-bottom: clamp(2.5rem, 5vw, 4.5rem); }

.red-text { color: var(--red); }

.chrome, .chrome-sm {
  background: linear-gradient(180deg, var(--chrome-a) 0%, var(--chrome-b) 42%, var(--chrome-c) 58%, var(--chrome-d) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ════════ BUTONLAR ════════ */
.btn {
  font-family: var(--font-display);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 2rem;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid transparent;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s, color 0.3s;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-3px); }
.btn:active { transform: translateY(-1px); }

.btn--red {
  background: linear-gradient(135deg, var(--red) 0%, var(--red-deep) 100%);
  color: #fff;
  box-shadow: 0 8px 28px -8px var(--red-glow);
}
.btn--red:hover { box-shadow: 0 14px 40px -8px var(--red-glow); }

.btn--ghost {
  border-color: var(--ghost-border);
  color: var(--text);
  background: var(--ghost-bg);
}
.btn--ghost:hover { border-color: var(--strong); background: var(--ghost-hover); }

.btn--outline {
  border-color: var(--red);
  color: var(--red);
  margin-top: 1.6rem;
}
.btn--outline:hover { background: var(--red); color: #fff; box-shadow: 0 10px 30px -8px var(--red-glow); }

.btn--dark {
  background: #101014;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
}
.btn--dark:hover { background: #000; }

.btn--nav { padding: 0.62rem 1.3rem; font-size: 0.8rem; }

/* ════════ NAVBAR ════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background 0.35s, box-shadow 0.35s, backdrop-filter 0.35s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: var(--nav-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
  box-shadow: 0 10px 30px -18px rgba(0, 0, 0, 0.8);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.nav__logo img { width: 9.4rem; height: auto; filter: var(--logo-filter); }
.nav__links {
  display: flex;
  align-items: center;
  gap: 1.9rem;
}
.nav__links > a:not(.btn) {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
  position: relative;
  padding: 0.3rem 0;
  transition: color 0.25s;
  white-space: nowrap;
}
.nav__links > a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s var(--ease);
}
.nav__links > a:not(.btn):hover { color: var(--strong); }
.nav__links > a:not(.btn):hover::after { transform: scaleX(1); transform-origin: left; }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 8px;
  cursor: pointer;
  z-index: 1002;
}
.nav__burger span {
  width: 26px; height: 2px;
  background: var(--strong);
  transition: transform 0.3s var(--ease), opacity 0.2s;
}
.nav__burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ════════ HERO ════════ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  background:
    radial-gradient(1100px 520px at 78% 18%, rgba(232, 25, 44, 0.07), transparent 60%),
    radial-gradient(900px 600px at 12% 85%, rgba(120, 130, 150, 0.06), transparent 60%),
    var(--bg);
  padding-top: 76px;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, #000 30%, transparent 75%);
  pointer-events: none;
}

.hero__slash {
  position: absolute;
  top: -12%;
  right: 18%;
  width: 3px;
  height: 130%;
  background: linear-gradient(180deg, transparent, var(--red) 30%, var(--red) 70%, transparent);
  transform: rotate(28deg);
  opacity: 0.55;
  box-shadow: 0 0 32px var(--red-glow);
  pointer-events: none;
}

.hero__sparks {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  align-items: center;
  gap: 3rem;
  z-index: 2;
}
.hero__inner > * { min-width: 0; }

.hero__kicker {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1.6rem;
}
.hero__kicker .tick {
  width: 10px; height: 10px;
  background: var(--red);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  box-shadow: 0 0 14px var(--red-glow);
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.4rem, 5.3vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 1.7rem;
}
.hero__title .chrome { filter: drop-shadow(0 3px 18px rgba(255,255,255,0.08)); }

.hero__sub {
  max-width: 34rem;
  color: var(--muted);
  font-size: 1.08rem;
  margin-bottom: 2.4rem;
}
.hero__sub strong { color: var(--text); }

.hero__cta { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
}
.hero__scroll-line {
  display: block;
  width: 1px;
  height: 52px;
  background: var(--faint);
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: "";
  position: absolute;
  top: -50%;
  left: 0;
  width: 100%;
  height: 50%;
  background: var(--red);
  animation: scrollDrop 2s var(--ease) infinite;
}
@keyframes scrollDrop {
  0% { top: -50%; }
  100% { top: 110%; }
}

/* Hero teknik çizim */
.hero__art { display: flex; justify-content: center; }
.blueprint {
  width: min(360px, 76%);
  animation: floatY 7s ease-in-out infinite;
  filter: drop-shadow(0 0 34px rgba(232, 25, 44, 0.1));
}
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}
.bp-line {
  fill: none;
  stroke: var(--bp-stroke);
  stroke-width: 2;
}
.bp-line.thin { stroke: var(--bp-thin); stroke-width: 1.2; }
.bp-line.red { stroke: var(--red); stroke-width: 1.6; }
.bp-center {
  stroke: var(--bp-center);
  stroke-width: 1;
  stroke-dasharray: 14 6 2 6;
}
.bp-wire { stroke: var(--strong); stroke-width: 2.4; }
.bp-dot { fill: var(--strong); }
.bp-dim line { stroke: rgba(232, 25, 44, 0.65); stroke-width: 1; }
.bp-dim text {
  fill: rgba(240, 90, 104, 0.95);
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-anchor: middle;
}
.bp-pulse {
  fill: none;
  stroke: var(--red);
  stroke-width: 1.4;
  opacity: 0;
  animation: bpPulse 2.4s ease-out infinite;
  transform-origin: 210px 470px;
}
@keyframes bpPulse {
  0% { opacity: 0.9; transform: scale(0.35); }
  80% { opacity: 0; transform: scale(2.1); }
  100% { opacity: 0; }
}

/* ════════ STATS ════════ */
.stats {
  border-block: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.015), transparent);
  position: relative;
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat {
  padding: 2.6rem 1.2rem;
  text-align: center;
  position: relative;
}
.stat + .stat::before {
  content: "";
  position: absolute;
  left: 0; top: 26%;
  height: 48%; width: 1px;
  background: var(--line);
  transform: skewX(-18deg);
}
.stat__num {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 3.6vw, 3rem);
  font-weight: 900;
  color: var(--strong);
  display: block;
  line-height: 1.1;
}
.stat__label {
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.4rem;
  display: block;
}

/* ════════ HAKKIMIZDA ════════ */
.about__photo {
  position: relative;
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
  overflow: hidden;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 34px) 0, 100% 34px, 100% 100%, 0 100%);
}
.about__photo img {
  width: 100%;
  height: clamp(260px, 40vw, 460px);
  object-fit: cover;
  object-position: center 62%;
  transition: transform 6s var(--ease);
}
.about__photo:hover img { transform: scale(1.05); }
.about__photo::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,10,13,0.15), transparent 35%, transparent 62%, rgba(10,10,13,0.88));
  pointer-events: none;
  z-index: 1;
}
.about__photo figcaption {
  position: absolute;
  left: clamp(1rem, 3vw, 2.2rem);
  bottom: clamp(0.9rem, 2.5vw, 1.8rem);
  z-index: 2;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.26em;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.about__photo .tick {
  width: 10px; height: 10px;
  background: var(--red);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  box-shadow: 0 0 14px var(--red-glow);
  flex: none;
}

.about__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: start;
}
.about__text .lead {
  font-size: 1.22rem;
  color: var(--text);
  font-weight: 500;
  margin-bottom: 1.2rem;
}
.about__text p:not(.lead) { color: var(--muted); margin-bottom: 1.2rem; }
.about__text strong { color: var(--text); }

.timeline {
  list-style: none;
  border-left: 1px solid var(--line);
  padding-left: 2rem;
  display: flex;
  flex-direction: column;
  gap: 2.1rem;
  position: relative;
}
.timeline__item { position: relative; }
.timeline__item::before {
  content: "";
  position: absolute;
  left: calc(-2rem - 5.5px);
  top: 6px;
  width: 10px; height: 10px;
  background: var(--bg);
  border: 2px solid var(--red);
  transform: rotate(45deg);
  box-shadow: 0 0 12px var(--red-glow);
}
.timeline__badge {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.24em;
  color: var(--red);
}
.timeline__item h3 {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 700;
  margin: 0.25rem 0 0.35rem;
}
.timeline__item p { color: var(--muted); font-size: 0.95rem; }

/* ════════ TECHTIP ════════ */
.techtip {
  background:
    radial-gradient(900px 480px at 50% 0%, rgba(232, 25, 44, 0.09), transparent 65%),
    var(--bg-2);
  border-block: 1px solid var(--line);
  overflow: hidden;
  text-align: center;
}
.techtip__watermark {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
.techtip__watermark img {
  width: min(760px, 90%);
  opacity: 0.03;
  filter: blur(1px);
}
.techtip__logo {
  width: 6.9rem;
  margin: 0 auto 1.4rem;
  filter: drop-shadow(0 6px 24px rgba(0,0,0,0.6));
}
.techtip__title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5.4vw, 4rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.015em;
  margin-bottom: 1rem;
}
.techtip__sub {
  color: var(--muted);
  font-size: 1.12rem;
  max-width: 34rem;
  margin: 0 auto;
}
.techtip__head { position: relative; margin-bottom: 3.4rem; }

.techtip__cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.3rem;
  text-align: left;
  position: relative;
}
.techtip__card {
  background: var(--card-tint);
  border: 1px solid var(--line);
  padding: 2rem 1.7rem;
  position: relative;
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
  transition: transform 0.35s var(--ease), border-color 0.35s, background 0.35s;
}
.techtip__card:hover {
  transform: translateY(-6px);
  border-color: rgba(232, 25, 44, 0.4);
  background: rgba(232, 25, 44, 0.04);
}
.techtip__num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 0.95rem;
  color: var(--red);
  letter-spacing: 0.1em;
}
.techtip__card h3 {
  font-family: var(--font-display);
  font-size: 1.22rem;
  font-weight: 700;
  margin: 0.7rem 0 0.7rem;
}
.techtip__card p { color: var(--muted); font-size: 0.97rem; }
.techtip__card strong { color: var(--text); }

/* Marka marquee */
.marquee {
  margin-top: 4.2rem;
  border-block: 1px solid var(--line);
  overflow: hidden;
  position: relative;
  padding: 1.4rem 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee__track {
  display: flex;
  align-items: center;
  gap: 3rem;
  width: max-content;
  animation: marquee 26s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__track span {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--marquee);
  white-space: nowrap;
  transition: color 0.3s;
}
.marquee__track span:hover { color: var(--strong); }
.marquee__track i {
  color: var(--red);
  font-style: normal;
  font-size: 0.65rem;
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}
.marquee__note {
  display: block;
  margin-top: 2.6rem;
  font-size: 0.78rem;
  color: var(--faint);
}

/* ════════ ÜRÜNLER ════════ */
.products__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.3rem;
}
.pcard {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 2.1rem 1.7rem 1.9rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.35s var(--ease), border-color 0.35s;
}
.pcard::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--red), transparent 70%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease);
}
.pcard:hover { transform: translateY(-7px); border-color: var(--line-strong); }
.pcard:hover::before { transform: scaleX(1); }

.pcard__icon {
  width: 64px; height: 64px;
  margin-bottom: 1.5rem;
  display: grid;
  place-items: center;
  background: rgba(232, 25, 44, 0.07);
  border: 1px solid rgba(232, 25, 44, 0.22);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  transition: background 0.3s;
}
.pcard:hover .pcard__icon { background: rgba(232, 25, 44, 0.14); }
.pcard__icon svg {
  width: 36px; height: 36px;
  fill: none;
  stroke: var(--red);
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.pcard h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}
.pcard p { color: var(--muted); font-size: 0.93rem; margin-bottom: 1.4rem; }
.pcard__tag {
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--red);
  border: 1px solid rgba(232, 25, 44, 0.35);
  padding: 0.3rem 0.7rem;
  display: inline-block;
}

/* Operasyon şeridi */
.ops {
  margin-top: 2.6rem;
  border: 1px solid var(--line);
  background: var(--card-tint);
  padding: 1.1rem 1.4rem;
  display: flex;
  align-items: center;
  gap: 1.4rem;
  flex-wrap: wrap;
}
.ops__label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.26em;
  color: var(--red);
  flex: none;
}
.ops__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.55rem;
}
.ops__list li {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 0.32rem 0.75rem;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
  transition: color 0.25s, border-color 0.25s, background 0.25s;
}
.ops__list li:hover {
  color: var(--strong);
  border-color: rgba(232, 25, 44, 0.5);
  background: rgba(232, 25, 44, 0.08);
}

/* ════════ NEDEN SEREZLİ ════════ */
.why {
  background:
    radial-gradient(700px 400px at 8% 30%, rgba(120, 130, 150, 0.05), transparent 60%),
    var(--bg);
}
.why__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}
.why__sticky { position: sticky; top: 110px; }
.why__lead { color: var(--muted); margin: 1.4rem 0 2rem; max-width: 26rem; }
.why__photo {
  margin-top: 2.4rem;
  max-width: 26rem;
  overflow: hidden;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
  position: relative;
}
.why__photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(10, 10, 13, 0.55));
  pointer-events: none;
}
.why__photo img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  display: block;
  filter: saturate(0.85) contrast(1.05);
}

.why__list { list-style: none; display: flex; flex-direction: column; }
.why__item {
  display: flex;
  gap: 1.8rem;
  padding: 1.9rem 0.4rem;
  border-bottom: 1px solid var(--line);
  transition: background 0.3s, padding-left 0.35s var(--ease);
}
.why__item:first-child { border-top: 1px solid var(--line); }
.why__item:hover { background: var(--hover-tint); padding-left: 1.1rem; }
.why__num {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 900;
  color: var(--red);
  min-width: 2.4rem;
  padding-top: 0.2rem;
}
.why__item h3 {
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.why__item p { color: var(--muted); font-size: 0.96rem; }

/* ════════ CTA BAND ════════ */
.cta {
  background:
    linear-gradient(120deg, rgba(169, 15, 30, 0.94) 0%, rgba(232, 25, 44, 0.9) 55%, rgba(255, 71, 87, 0.88) 100%),
    url("img/grinding-sparks.jpg") center 30% / cover no-repeat #a90f1e;
  clip-path: polygon(0 0, 100% 3.5rem, 100% 100%, 0 calc(100% - 3.5rem));
  padding: clamp(5.5rem, 9vw, 8rem) 0;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse at 70% 50%, #000, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 50%, #000, transparent 70%);
}
.cta__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.cta h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.6vw, 2.7rem);
  font-weight: 900;
  text-transform: uppercase;
  line-height: 1.1;
  color: #fff;
}
.cta h2 span { color: rgba(10, 10, 13, 0.85); }
.cta p { color: rgba(255, 255, 255, 0.85); margin-top: 0.6rem; }

/* ════════ İLETİŞİM ════════ */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.3rem;
  align-items: stretch;
}
.contact__cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.3rem;
}
.ccard {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 1.7rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  transition: transform 0.3s var(--ease), border-color 0.3s;
  position: relative;
  overflow: hidden;
}
.ccard::after {
  content: "";
  position: absolute;
  right: -1px; top: -1px;
  border-style: solid;
  border-width: 0 22px 22px 0;
  border-color: transparent rgba(232, 25, 44, 0.55) transparent transparent;
  transition: border-width 0.3s var(--ease);
}
.ccard:not(.ccard--static):hover { transform: translateY(-5px); border-color: rgba(232, 25, 44, 0.45); }
.ccard:not(.ccard--static):hover::after { border-width: 0 30px 30px 0; }
.ccard__label {
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.26em;
  color: var(--red);
}
.ccard__value {
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--strong);
  line-height: 1.4;
}
.ccard__hint { font-size: 0.82rem; color: var(--muted); margin-top: auto; padding-top: 0.5rem; }
a.ccard__hint:hover, .ccard:hover .ccard__hint { color: var(--text); }

.contact__map {
  border: 1px solid var(--line);
  min-height: 380px;
  position: relative;
  overflow: hidden;
}
.contact__map iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  filter: var(--map-filter);
}

/* ════════ FOOTER ════════ */
.footer {
  border-top: 1px solid var(--line);
  background: var(--footer-bg);
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 2.5rem;
  padding: 4rem 0 3rem;
}
.footer__brand img { width: 10.6rem; margin-bottom: 1.1rem; filter: var(--logo-filter); }
.footer__brand p { color: var(--muted); font-size: 0.9rem; }
.footer__nav { display: flex; flex-direction: column; gap: 0.7rem; }
.footer__nav a, .footer__contact a, .footer__contact span {
  color: var(--muted);
  font-size: 0.92rem;
  transition: color 0.25s;
}
.footer__nav a:hover, .footer__contact a:hover { color: var(--red); }
.footer__contact { display: flex; flex-direction: column; gap: 0.7rem; }
.footer__bar { border-top: 1px solid var(--line); padding: 1.2rem 0; }
.footer__bar-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--faint);
}

/* ════════ REVEAL ANİMASYONLARI ════════
   Yalnızca JS aktifken gizle (html.js) — JS yoksa içerik daima görünür. */
.js .reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.js .reveal.visible { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.12s; }
.reveal.d2 { transition-delay: 0.24s; }
.reveal.d3 { transition-delay: 0.36s; }
.reveal.d4 { transition-delay: 0.48s; }
.reveal.d5 { transition-delay: 0.6s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .blueprint, .bp-pulse, .marquee__track, .hero__scroll-line::after { animation: none !important; }
}

/* ════════ RESPONSIVE ════════ */
/* Nav 1080px altında hamburger menüye geçer (dar dizüstü / tablet yatay) */
@media (max-width: 1080px) {
  .nav__links {
    position: fixed;
    inset: 0;
    background: var(--menu-bg);
    backdrop-filter: blur(18px);
    flex-direction: column;
    justify-content: center;
    gap: 2.2rem;
    transform: translateX(100%);
    transition: transform 0.45s var(--ease);
  }
  .nav__links.open { transform: translateX(0); }
  .nav__links > a:not(.btn) { font-size: 1.25rem; }
  .nav__burger { display: flex; }
}

@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; gap: 1.5rem; }
  .hero__art { display: none; }
  .products__grid { grid-template-columns: repeat(2, 1fr); }
  .techtip__cols { grid-template-columns: 1fr; }
  .why__grid { grid-template-columns: 1fr; }
  .why__sticky { position: static; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 820px) {
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stat { padding: 1.8rem 0.8rem; }
  .stat:nth-child(3)::before { display: none; }
  .about__grid { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; }
  .contact__map { min-height: 320px; }
}

@media (max-width: 560px) {
  .products__grid { grid-template-columns: 1fr; }
  .contact__cards { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; gap: 2rem; }
  .hero__title { font-size: clamp(1.7rem, 8.4vw, 3rem); }
  .btn { padding: 0.9rem 1.5rem; font-size: 0.85rem; }
  .marquee__track span { font-size: 1.15rem; }
}

/* ════════ KATALOG GÖRSELLERİ (TechTip kataloğundan) ════════ */
.tt-show {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 0;
  margin-bottom: 1.3rem;
  text-align: left;
  border: 1px solid var(--line);
  background: var(--panel);
}
.tt-show__photo { position: relative; overflow: hidden; min-height: 100%; }
.tt-show__photo img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.tt-show:hover .tt-show__photo img { transform: scale(1.04); }
.tt-show__photo::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent 60%, var(--panel)), linear-gradient(0deg, rgba(10,10,13,.6), transparent 40%);
}
.tt-show__photo figcaption {
  position: absolute; left: 1.4rem; bottom: 1.2rem; z-index: 1;
  font-family: var(--font-display); font-size: .72rem; font-weight: 700; letter-spacing: .22em; color: rgba(255,255,255,.85);
}
.tt-show__panel { padding: clamp(1.8rem, 3.5vw, 2.8rem); display: flex; flex-direction: column; gap: 1.6rem; }
.tt-show__kicker {
  font-family: var(--font-display); font-size: .75rem; font-weight: 700; letter-spacing: .28em; color: var(--red);
  display: flex; align-items: center; gap: .7rem;
}
.tt-tips { list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: .4rem 1.2rem; }
.tt-tips li { display: flex; flex-direction: column; align-items: flex-start; gap: .1rem; }
.tt-tips img {
  width: 100%; max-width: 220px;
  filter: drop-shadow(0 10px 14px rgba(0,0,0,.55)) saturate(1.05);
  transition: transform .5s var(--ease), filter .5s;
}
.tt-tips li:hover img { transform: translateX(8px) rotate(-3deg); filter: drop-shadow(0 12px 18px rgba(232,25,44,.35)); }
.tt-tips span { font-family: var(--font-display); font-size: .78rem; font-weight: 700; letter-spacing: .14em; color: var(--muted); margin-top: -.4rem; }
.tt-facts { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); padding-top: 1.2rem; gap: 1rem; }
.tt-facts dt { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.1rem, 2vw, 1.45rem); color: var(--text); }
.tt-facts dd { font-size: .78rem; color: var(--muted); }
.tt-show__cta { display: flex; flex-wrap: wrap; gap: .8rem; }

.apps {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.3rem;
  margin-top: 2.6rem;
}
.apps__item {
  position: relative; overflow: hidden; border: 1px solid var(--line);
  aspect-ratio: 4 / 5;
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}
.apps__item img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); filter: saturate(.9); }
.apps__item:hover img { transform: scale(1.06); }
.apps__item::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(10,10,13,.92));
}
.apps__item figcaption {
  position: absolute; left: 1.4rem; right: 1.4rem; bottom: 1.3rem; z-index: 1;
  font-family: var(--font-display); font-weight: 800; font-size: 1.12rem; line-height: 1.25; color: #fff;
}
.apps__item figcaption span { display: block; color: var(--red); font-size: .78rem; letter-spacing: .2em; margin-bottom: .35rem; }
.apps__item figcaption small { display: block; font-family: var(--font-body); font-weight: 400; font-size: .85rem; color: rgba(255,255,255,.72); margin-top: .3rem; }

.why__photo img { aspect-ratio: 16 / 9; }

.cta__inner { justify-content: flex-start; gap: clamp(1.5rem, 4vw, 3.5rem); }
.cta__cover {
  flex: none; width: clamp(110px, 13vw, 160px);
  box-shadow: 0 24px 40px -14px rgba(0,0,0,.6);
  transform: rotate(-4deg); transition: transform .45s var(--ease);
}
.cta__cover:hover { transform: rotate(0) translateY(-6px) scale(1.03); }
.cta__text { flex: 1 1 320px; }
.cta__actions { display: flex; flex-direction: column; align-items: flex-start; gap: .8rem; }
.cta__link { font-family: var(--font-display); font-weight: 700; font-size: .85rem; color: #fff; border-bottom: 1px solid rgba(255,255,255,.5); }
.cta__link:hover { border-color: #fff; }

@media (max-width: 1024px) {
  .tt-show { grid-template-columns: 1fr; }
  .tt-show__photo { aspect-ratio: 16 / 10; }
  .tt-show__photo::after { background: linear-gradient(0deg, var(--panel), transparent 45%); }
}
@media (max-width: 820px) {
  .apps { grid-template-columns: 1fr; }
  .apps__item { aspect-ratio: 16 / 10; }
}
@media (max-width: 560px) {
  .tt-facts { grid-template-columns: 1fr 1fr 1fr; gap: .6rem; }
  .cta__cover { width: 110px; }
}


/* ════════ TEMA DÜĞMESİ ════════ */
.nav__tools { display: flex; align-items: center; gap: 0.6rem; }
.theme-toggle {
  width: 2.5rem; height: 2.5rem;
  display: grid; place-items: center;
  background: none; cursor: pointer;
  color: var(--muted);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 9px 100%, 0 calc(100% - 9px));
  transition: color .25s, border-color .25s, background .25s;
}
.theme-toggle:hover { color: var(--red); border-color: rgba(232, 25, 44, 0.5); background: rgba(232, 25, 44, 0.06); }
.theme-toggle svg { width: 1.15rem; height: 1.15rem; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.theme-toggle .i-moon { fill: currentColor; stroke: none; }
:root:not([data-theme="light"]) .theme-toggle .i-moon,
:root[data-theme="light"] .theme-toggle .i-sun { display: none; }
body { transition: background-color .3s, color .3s; }

/* Açık tema ince ayarları */
:root[data-theme="light"] .nav.scrolled { box-shadow: 0 10px 30px -20px rgba(10, 10, 13, 0.35); }
:root[data-theme="light"] .hero__title .chrome { filter: none; }
:root[data-theme="light"] .techtip {
  background: radial-gradient(900px 480px at 50% 0%, rgba(232, 25, 44, 0.07), transparent 65%), var(--bg-2);
}
:root[data-theme="light"] .techtip__watermark img { filter: invert(1); opacity: 0.04; }
:root[data-theme="light"] .techtip__logo { filter: drop-shadow(0 6px 18px rgba(10, 10, 13, 0.12)); }
:root[data-theme="light"] .tt-tips img { filter: drop-shadow(0 10px 12px rgba(10, 10, 13, 0.28)); }
:root[data-theme="light"] .tt-show__photo::after {
  background: linear-gradient(90deg, transparent 60%, var(--panel)), linear-gradient(0deg, rgba(10,10,13,.55), transparent 40%);
}
:root[data-theme="light"] .pcard,
:root[data-theme="light"] .ccard { box-shadow: 0 1px 0 rgba(10, 10, 13, 0.04), 0 14px 30px -24px rgba(10, 10, 13, 0.35); }
:root[data-theme="light"] .hero__sparks { opacity: 0.55; mix-blend-mode: multiply; }

/* ─── Kısa ekranlar (15" dizüstü: 1366×768, 1440×900, 1536×864) ─── */
@media (min-width: 821px) and (max-height: 860px) {
  .hero__title { font-size: clamp(2.2rem, min(5.3vw, 8.6vh), 4.6rem); margin-bottom: 1.2rem; }
  .hero__kicker { margin-bottom: 1.1rem; }
  .hero__sub { margin-bottom: 1.7rem; }
  .blueprint { width: min(18rem, 70%, 52vh); }
  .hero__scroll { display: none; }
}

/* ─── Geniş monitörler: içerik ekranı doldursun ─── */
@media (min-width: 1920px) {
  :root { --container: 80rem; }
  .blueprint { width: min(24rem, 80%); }
}
.nav__tools { position: relative; z-index: 1003; }
.techtip__logo--wide { width: clamp(11rem, 16vw, 14rem); }
@media (min-width: 2400px) { :root { --container: 90rem; } }  /* 32" QHD: ~%70 genişlik */
@media (min-width: 3400px) { html { font-size: 175%; } }       /* 32" 4K @100% ölçek */
.nav__logo { flex: none; }

/* ════════ İLETİŞİM FORMU ════════ */
.cform {
  margin-top: 1.3rem;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: clamp(1.6rem, 3.5vw, 2.8rem);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
}
.cform__head { margin-bottom: 1.8rem; max-width: 42rem; }
.cform__head h3 { font-family: var(--font-display); font-size: clamp(1.25rem, 2.2vw, 1.6rem); font-weight: 800; line-height: 1.25; margin-bottom: .5rem; }
.cform__head p:not(.section__kicker) { color: var(--muted); font-size: .95rem; }
.cform__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem 1.2rem; }
.cform__field { display: flex; flex-direction: column; gap: .4rem; }
.cform__field--full { grid-column: 1 / -1; }
.cform__field > span {
  font-family: var(--font-display); font-size: .72rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--muted);
}
.cform input:not([type="checkbox"]), .cform select, .cform textarea {
  font: inherit; font-size: .98rem; color: var(--text);
  background: var(--bg); border: 1px solid var(--line); border-radius: 0;
  padding: .8rem .95rem; width: 100%;
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.cform textarea { resize: vertical; min-height: 8rem; }
.cform select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 1.2rem) 55%, calc(100% - .9rem) 55%; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 2.4rem; }
.cform input:focus, .cform select:focus, .cform textarea:focus { outline: none; border-color: var(--red); box-shadow: 0 0 0 3px rgba(232, 25, 44, .15); }
.cform__field.is-bad input, .cform__field.is-bad textarea, .cform__field.is-bad select { border-color: var(--red); background: rgba(232, 25, 44, .06); }
.cform__consent { flex-direction: row; align-items: flex-start; gap: .7rem; margin-top: 1.2rem; font-size: .88rem; color: var(--muted); }
.cform__consent input { margin-top: .25rem; width: 1.05rem; height: 1.05rem; accent-color: var(--red); flex: none; }
.cform__consent.is-bad span { color: var(--red); }
.cform__hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.cform__foot { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-top: 1.4rem; }
.cform__foot .cf-turnstile { min-height: 65px; }
.cform__foot .btn:disabled { opacity: .6; cursor: wait; transform: none; }
.cform__status { margin-top: 1.1rem; padding: .8rem 1rem; font-size: .92rem; border-left: 3px solid var(--muted); background: var(--card-tint); }
.cform__status[data-kind="ok"] { border-color: #2fae66; color: var(--text); }
.cform__status[data-kind="err"] { border-color: var(--red); color: var(--text); }
@media (max-width: 640px) {
  .cform__grid { grid-template-columns: 1fr; }
  .cform__foot { flex-direction: column; align-items: stretch; }
  .cform__foot .btn { width: 100%; }
}
.cform__consent > span { font-family: var(--font-body); font-size: .88rem; font-weight: 400; letter-spacing: 0; text-transform: none; color: var(--muted); }

/* ════════════════════════════════════════════════════
   zee sayfaları — panelden yönetilen iç sayfalar
   ════════════════════════════════════════════════════ */
.skip-link { position: absolute; left: 1rem; top: -3rem; z-index: 2000; background: var(--red); color: #fff; padding: .6rem 1rem; font-weight: 700; transition: top .2s; }
.skip-link:focus { top: 1rem; }
.preserve-lines { white-space: pre-line; }
.preview-banner { position: fixed; bottom: 1rem; left: 50%; transform: translateX(-50%); z-index: 1500; background: #f5b301; color: #111; padding: .6rem 1.2rem; font-size: .85rem; font-weight: 600; box-shadow: 0 10px 30px -10px rgba(0,0,0,.5); }
.preview-banner a { text-decoration: underline; }
.nav__links > a.aktif { color: var(--strong); }
.nav__links > a.aktif::after { transform: scaleX(1); }
.nav__lang { font-size: .78rem !important; letter-spacing: .14em !important; border: 1px solid var(--line); padding: .25rem .55rem !important; }
.nav__lang::after { display: none; }
.f-zee { display: inline-flex; align-items: center; gap: .35rem; opacity: .7; }
.f-zee img { height: 14px; width: auto; }
.wa-widget { position: fixed; right: 1.2rem; bottom: 1.2rem; z-index: 900; width: 3.2rem; height: 3.2rem; border-radius: 50%; display: grid; place-items: center; background: #25d366; color: #fff; font-size: 1.5rem; box-shadow: 0 12px 30px -10px rgba(0,0,0,.5); }

/* Sayfa başı */
.page-head { position: relative; overflow: hidden; padding: calc(76px + clamp(3rem, 7vw, 5.5rem)) 0 clamp(2.5rem, 5vw, 4rem); border-bottom: 1px solid var(--line);
  background: radial-gradient(900px 420px at 80% 0%, rgba(232, 25, 44, 0.09), transparent 60%), var(--bg-2); }
.page-head__grid { position: absolute; inset: 0; background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px); background-size: 56px 56px; mask-image: radial-gradient(ellipse 80% 90% at 70% 0%, #000 30%, transparent 75%); -webkit-mask-image: radial-gradient(ellipse 80% 90% at 70% 0%, #000 30%, transparent 75%); pointer-events: none; }
.page-head .container { position: relative; }
.page-head__title { font-family: var(--font-display); font-weight: 800; font-size: clamp(2rem, 4.6vw, 3.6rem); line-height: 1.05; text-transform: uppercase; letter-spacing: -.01em; }
.page-head__sub { color: var(--muted); margin-top: .9rem; max-width: 46rem; font-size: 1.05rem; }
.page-body { padding-top: clamp(2.5rem, 5vw, 4rem); }
.back-link { display: inline-flex; font-family: var(--font-display); font-weight: 700; letter-spacing: .08em; font-size: .85rem; text-transform: uppercase; color: var(--muted); margin-bottom: 1.8rem; }
.back-link:hover { color: var(--red); }
.empty-note { color: var(--muted); padding: 2rem 0; grid-column: 1 / -1; }
.empty-note a { color: var(--red); }
.narrow { max-width: 50rem; }
.prose h2 { font-family: var(--font-display); font-weight: 800; font-size: 1.5rem; text-transform: uppercase; margin: 2rem 0 .8rem; }
.prose p { color: var(--muted); margin-bottom: 1rem; }
.prose strong { color: var(--text); }
.prose ul { margin: 0 0 1rem 1.2rem; color: var(--muted); }
.page-cover { margin-top: 2.5rem; }
.page-cover img { width: 100%; max-height: 28rem; object-fit: cover; border: 1px solid var(--line); }

/* Grup kartı bağlantısı */
a.pcard { display: block; color: inherit; }
.pcard__icon img { width: 36px; height: 36px; }
.pcard__more { display: block; margin-top: 1rem; font-family: var(--font-display); font-weight: 700; font-size: .85rem; letter-spacing: .06em; color: var(--red); opacity: 0; transform: translateX(-6px); transition: opacity .3s, transform .3s var(--ease); }
a.pcard:hover .pcard__more { opacity: 1; transform: none; }
.pcard__tag { margin-right: .6rem; }

/* Ürün listesi */
.pgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr)); gap: 1.3rem; }
.pitem { display: flex; flex-direction: column; background: var(--panel); border: 1px solid var(--line); overflow: hidden; transition: transform .35s var(--ease), border-color .35s; }
.pitem:hover { transform: translateY(-6px); border-color: var(--line-strong); }
.pitem__media { position: relative; display: grid; place-items: center; aspect-ratio: 16 / 10; padding: 1.2rem; background: radial-gradient(ellipse at 50% 40%, rgba(232, 25, 44, 0.07), transparent 70%), var(--bg-2); }
.pitem__photo { width: 88%; filter: drop-shadow(0 10px 14px rgba(0,0,0,.45)); transition: opacity .35s, transform .5s var(--ease); }
.pitem__draw { position: absolute; inset: 1.2rem; width: calc(100% - 2.4rem); height: calc(100% - 2.4rem); object-fit: contain; opacity: 0; transition: opacity .35s; }
:root:not([data-theme="light"]) .pitem__draw { filter: invert(1) brightness(1.3); }
.pitem:hover .pitem__photo { opacity: 0; transform: scale(.96); }
.pitem:hover .pitem__draw { opacity: .9; }
.pitem__body { display: flex; flex-direction: column; gap: .35rem; padding: 1.1rem 1.2rem 1.3rem; }
.pitem__name { font-family: var(--font-display); font-weight: 800; font-size: 1.25rem; letter-spacing: .02em; }
.pitem__sum { color: var(--muted); font-size: .85rem; line-height: 1.5; }

/* Ürün detayı */
.pd { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.pd-media { display: grid; gap: 1rem; position: sticky; top: 100px; }
.pd-photo, .pd-draw { border: 1px solid var(--line); display: grid; place-items: center; padding: clamp(1.2rem, 3vw, 2.4rem); }
.pd-photo { background: radial-gradient(ellipse at 50% 45%, rgba(232, 25, 44, 0.1), transparent 65%), var(--bg-2); aspect-ratio: 16 / 10; }
.pd-photo img { width: 90%; filter: drop-shadow(0 18px 22px rgba(0,0,0,.5)); }
.pd-draw { background: var(--panel); }
.pd-draw img { width: 100%; max-height: 16rem; object-fit: contain; }
:root:not([data-theme="light"]) .pd-draw img { filter: invert(1) brightness(1.3); }
.pd-summary { font-size: 1.1rem; color: var(--text); margin-bottom: 1rem; }
.pd-body > p { color: var(--muted); margin-bottom: 1rem; }
.pd-head { font-family: var(--font-display); font-weight: 800; font-size: 1.1rem; letter-spacing: .08em; text-transform: uppercase; margin: 2rem 0 .8rem; display: flex; align-items: center; gap: .7rem; }
.pd-badge { font-size: .7rem; letter-spacing: .1em; background: var(--red); color: #fff; padding: .2rem .55rem; }
.pd-meta, .pd-codes { width: 100%; border-collapse: collapse; border-top: 1px solid var(--line); }
.pd-meta th, .pd-meta td, .pd-codes th, .pd-codes td { text-align: left; padding: .7rem .4rem; border-bottom: 1px solid var(--line); font-size: .95rem; }
.pd-meta th, .pd-codes th { width: 38%; color: var(--muted); font-weight: 600; }
.pd-codes code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 1rem; letter-spacing: .04em; color: var(--text); user-select: all; }
.pd-codes tr:hover { background: var(--hover-tint); }
.pd-note { color: var(--muted); font-size: .82rem; margin-top: .7rem; }
.pd-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }

/* Kataloglar */
.docs { display: grid; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); gap: 1.6rem; }
.doc { display: flex; flex-direction: column; gap: .8rem; }
.doc__cover { display: block; border: 1px solid var(--line); box-shadow: 0 24px 40px -18px rgba(0,0,0,.55); transition: transform .4s var(--ease); }
.doc:hover .doc__cover { transform: translateY(-6px) rotate(-1deg); }
.doc__title { font-family: var(--font-display); font-weight: 800; font-size: 1.15rem; }
.doc__cta { color: var(--red); font-family: var(--font-display); font-weight: 700; font-size: .85rem; letter-spacing: .08em; }

/* Vitrin bağlantıları */
.tt-tips a { display: flex; flex-direction: column; align-items: flex-start; gap: .1rem; color: inherit; }
.tt-tips a:hover span { color: var(--red); }
.tt-tips__empty { color: var(--muted); }
.cta h2 .cta__em { color: rgba(10, 10, 13, 0.85); }

/* İletişim sayfası ve form */
.contact--page { padding-top: clamp(2.5rem, 5vw, 4rem); }
.contact__grid { grid-template-columns: 1fr 1fr; align-items: start; }
.contact__grid .cform { margin-top: 0; }
.cform__secure { font-size: .8rem; color: var(--muted); display: inline-flex; align-items: center; gap: .4rem; }
.cform__secure::before { content: ""; width: .55rem; height: .55rem; border-radius: 50%; background: #2fae66; box-shadow: 0 0 10px rgba(47,174,102,.6); }
.cform__status { margin-bottom: 1.2rem; }

@media (max-width: 1024px) {
  .pd { grid-template-columns: 1fr; }
  .pd-media { position: static; }
  .contact__grid { grid-template-columns: 1fr; }
}
.f-zee { text-decoration: none; color: inherit; transition: opacity .2s; }
.f-zee:hover { opacity: 1; }

/* ════════ KONTAK UÇLARI — teknik bilgi + çizimle özel üretim (8 Eki 2026; dükkân fotoğrafının yerine) ════════ */
.ku { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.ku__top { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: start; margin-bottom: clamp(3rem, 6vw, 4.5rem); }
.ku__lead { font-size: 1.15rem; line-height: 1.7; color: var(--text); }
.ku-mat { background: var(--panel); border: 1px solid var(--line); clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%); overflow: hidden; }
.ku-mat__photo { aspect-ratio: 1800 / 526; overflow: hidden; border-bottom: 1px solid var(--line); }
.ku-mat__photo img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.85) contrast(1.05); }
.ku-mat__body { padding: clamp(1.4rem, 3vw, 2.2rem); }
.ku-mat__title { font-family: var(--font-display); font-size: clamp(1.25rem, 2.2vw, 1.6rem); font-weight: 700; letter-spacing: 0.04em; color: var(--strong); display: flex; align-items: center; gap: 0.7rem; margin-bottom: 0.8rem; }
.ku-mat__title .tick { width: 10px; height: 10px; background: var(--red); clip-path: polygon(0 0, 100% 0, 100% 100%); box-shadow: 0 0 14px var(--red-glow); flex: none; }
.ku-mat__body > p { color: var(--muted); margin-bottom: 1.4rem; }
.ku-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.ku-fact { border-left: 2px solid var(--red); padding-left: 0.9rem; }
.ku-fact dt { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; color: var(--strong); letter-spacing: 0.03em; }
.ku-fact dd { color: var(--muted); font-size: 0.88rem; margin-top: 0.2rem; }
.ku__subhead { font-family: var(--font-display); font-size: clamp(1.3rem, 2.4vw, 1.8rem); font-weight: 700; color: var(--strong); letter-spacing: 0.02em; margin: 0 0 1.4rem; }
.ku-params { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.2rem; margin-bottom: clamp(3rem, 6vw, 4.5rem); }
.ku-param { display: flex; flex-direction: column; gap: 0.8rem; background: var(--card-tint); border: 1px solid var(--line); padding: 1.5rem 1.3rem; transition: border-color 0.3s, transform 0.35s var(--ease); }
.ku-param:hover { border-color: rgba(232, 25, 44, 0.4); transform: translateY(-4px); }
.ku-param__num { font-family: var(--font-display); font-weight: 900; color: var(--red); font-size: 0.95rem; }
.ku-param h4, .ku-q h4 { font-family: var(--font-display); font-size: 1.15rem; font-weight: 700; color: var(--strong); letter-spacing: 0.02em; margin-bottom: 0.35rem; }
.ku-param p, .ku-q p { color: var(--muted); font-size: 0.92rem; line-height: 1.6; }
.ku-quality { list-style: none; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); margin-bottom: clamp(3rem, 6vw, 4.5rem); }
.ku-q { padding: 1.4rem 1.2rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.ku-cta { display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; padding: clamp(1.6rem, 3.5vw, 2.6rem); background: linear-gradient(120deg, rgba(232, 25, 44, 0.12), transparent 60%), var(--panel); border: 1px solid rgba(232, 25, 44, 0.35); }
.ku-cta h3 { font-family: var(--font-display); font-size: clamp(1.4rem, 2.6vw, 2rem); font-weight: 700; color: var(--strong); }
.ku-cta p { color: var(--muted); margin-top: 0.4rem; max-width: 52ch; }
@media (max-width: 1080px) {
  .ku-params { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ku-quality { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .ku__top { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .ku-params, .ku-quality, .ku-facts { grid-template-columns: 1fr; }
}

/* Teknik çizim ekleri (iletişim formu) */
.cform__drop { position: relative; display: flex; flex-direction: column; align-items: center; gap: .3rem; padding: 1.1rem 1rem; border: 1px dashed var(--line-strong); background: var(--card-tint); cursor: pointer; text-align: center; transition: border-color .2s, background .2s; }
.cform__drop:hover, .cform__drop:focus-within { border-color: var(--red); background: rgba(232, 25, 44, .05); }
.cform .cform__drop input[type="file"] { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; padding: 0; border: 0; }
.cform__drop b { font-family: var(--font-display); letter-spacing: .06em; color: var(--strong); }
.cform__drop small { color: var(--muted); font-size: .8rem; }
.cform__filelist { list-style: none; display: grid; gap: .4rem; margin-top: .5rem; }
.cform__filelist:empty { display: none; }
.cform__filelist li { display: flex; align-items: center; gap: .8rem; padding: .45rem .7rem; border: 1px solid var(--line); font-size: .88rem; }
.cform__filelist li span { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text); }
.cform__filelist li small { color: var(--muted); }
.cform__filelist li.is-ok { border-color: rgba(60, 180, 110, .45); }
.cform__filelist li.is-bad { border-color: var(--red); }
.cform__filelist li.is-bad small { color: var(--red); }
.cform__fileremove { background: none; border: 0; color: var(--muted); font-size: 1.1rem; line-height: 1; cursor: pointer; padding: 0 .2rem; }
.cform__fileremove:hover { color: var(--red); }

/* Marka yazımı: büyük harf stilinde de logodaki gibi (TechTip) */
.marka{text-transform:none!important;letter-spacing:inherit}