/* ════════════════════════════════════════════════════
   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: "Archivo", "Inter", sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --container: 1200px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { 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: #26262e; 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%, #e8eaed 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: rgba(255, 255, 255, 0.25);
  color: var(--text);
  background: rgba(12, 12, 16, 0.6);
}
.btn--ghost:hover { border-color: #fff; background: rgba(255, 255, 255, 0.08); }

.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: rgba(9, 9, 12, 0.82);
  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: 150px; height: auto; }
.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: #fff; }
.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: #fff;
  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(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 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: rgba(255, 255, 255, 0.25);
  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: rgba(255, 255, 255, 0.5);
  stroke-width: 2;
}
.bp-line.thin { stroke: rgba(255, 255, 255, 0.22); stroke-width: 1.2; }
.bp-line.red { stroke: var(--red); stroke-width: 1.6; }
.bp-center {
  stroke: rgba(255, 255, 255, 0.28);
  stroke-width: 1;
  stroke-dasharray: 14 6 2 6;
}
.bp-wire { stroke: #fff; stroke-width: 2.4; }
.bp-dot { fill: #fff; }
.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: #fff;
  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: 110px;
  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: rgba(255, 255, 255, 0.025);
  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: rgba(255, 255, 255, 0.34);
  white-space: nowrap;
  transition: color 0.3s;
}
.marquee__track span:hover { color: #fff; }
.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: 1.1rem;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.3);
}

/* ════════ 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: rgba(255, 255, 255, 0.18); }
.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: rgba(255, 255, 255, 0.015);
  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: #fff;
  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: rgba(255, 255, 255, 0.02); 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: #fff;
  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: grayscale(1) invert(0.9) contrast(0.9) brightness(0.9) hue-rotate(180deg);
}

/* ════════ FOOTER ════════ */
.footer {
  border-top: 1px solid var(--line);
  background: #08080a;
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 2.5rem;
  padding: 4rem 0 3rem;
}
.footer__brand img { width: 170px; margin-bottom: 1.1rem; }
.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: rgba(255, 255, 255, 0.35);
}

/* ════════ 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 ════════ */
@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) {
  .nav__links {
    position: fixed;
    inset: 0;
    background: rgba(8, 8, 10, 0.97);
    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; }
  .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; }
}