@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap");

:root {
  --black: #000000;
  --ink: #0a0a0a;
  --ink-2: #111111;
  --panel: #141414;
  --panel-2: #1a1a1a;
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.22);
  --muted: rgba(255, 255, 255, 0.55);
  --text: #ffffff;
  --white: #ffffff;
  --accent: #ffffff;
  --shadow: none;
  --radius: 0;
  --max: 1320px;
  --header-h: 72px;
  color-scheme: dark;
  font-family: Inter, "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--black);
  color: var(--text);
  line-height: 1.5;
  font-size: 16px;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  opacity: 1;
  transform: none;
  transition: opacity 280ms ease;
}

body.page-enter {
  opacity: 0;
}

body.page-enter.page-enter-active {
  opacity: 1;
}

body.page-leave {
  opacity: 0;
}

body[data-lang="tr"] [data-lang="en"],
body[data-lang="en"] [data-lang="tr"] {
  display: none !important;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button,
input,
textarea,
select {
  font: inherit;
}

/* ── Header ── */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  background: transparent;
  transition: background 320ms ease, border-color 320ms ease, backdrop-filter 320ms ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(16px);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  width: min(100% - 3rem, var(--max));
  min-height: var(--header-h);
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: max-content;
}

.brand img {
  width: min(172px, 42vw);
  max-width: 42vw;
  height: auto;
  filter: brightness(0) invert(1);
}

.brand-word {
  display: none;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.nav-links a {
  padding: 0.5rem 0.85rem;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color 180ms ease;
}

.nav-links a:hover,
.nav-links a.is-active {
  color: var(--white);
}

.nav-group {
  position: relative;
}

.nav-group-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.85rem;
  border: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: color 180ms ease;
}

.nav-group-toggle::after {
  content: "";
  width: 0.35rem;
  height: 0.35rem;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg) translateY(-1px);
  opacity: 0.65;
  transition: transform 180ms ease;
}

.nav-group:hover .nav-group-toggle,
.nav-group.is-active .nav-group-toggle,
.nav-group.is-open .nav-group-toggle {
  color: var(--white);
}

.nav-group.is-open .nav-group-toggle::after {
  transform: rotate(-135deg) translateY(1px);
}

.nav-dropdown {
  position: absolute;
  top: calc(100% + 0.35rem);
  left: 0;
  min-width: 11rem;
  padding: 0.35rem 0;
  background: rgba(8, 8, 8, 0.98);
  border: 1px solid var(--line);
  opacity: 0;
  visibility: hidden;
  transform: translateY(0.35rem);
  transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
  z-index: 120;
}

.nav-group:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown a {
  display: block;
  padding: 0.55rem 0.9rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.8125rem;
}

.nav-dropdown a:last-child {
  border-bottom: 0;
}

.nav-dropdown a.is-active {
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  overflow: hidden;
}

.lang-switch button {
  border: 0;
  min-width: 38px;
  padding: 0.4rem 0.55rem;
  background: transparent;
  color: rgba(255, 255, 255, 0.55);
  cursor: pointer;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  transition: background 180ms ease, color 180ms ease;
}

.lang-switch button.is-active {
  background: var(--white);
  color: var(--black);
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--white);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 16px;
  height: 1.5px;
  margin: 4px auto;
  background: currentColor;
}

/* ── Hero ── */

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  color: var(--white);
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.35) 0%, rgba(0, 0, 0, 0.55) 40%, rgba(0, 0, 0, 0.88) 100%),
    linear-gradient(90deg, rgba(0, 0, 0, 0.82) 0%, rgba(0, 0, 0, 0.45) 55%, rgba(0, 0, 0, 0.25) 100%),
    var(--hero-image, none) center / cover no-repeat,
    var(--black);
}

.hero.has-video {
  background: var(--black);
}

.hero-video {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.hero-video-stack {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-video-stack .hero-video {
  opacity: 0;
  transition: opacity 900ms ease;
}

.hero-video-stack .hero-video.is-active {
  opacity: 1;
}

.hero.has-video::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.35) 0%, rgba(0, 0, 0, 0.55) 40%, rgba(0, 0, 0, 0.88) 100%),
    linear-gradient(90deg, rgba(0, 0, 0, 0.82) 0%, rgba(0, 0, 0, 0.45) 55%, rgba(0, 0, 0, 0.25) 100%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: var(--line);
  z-index: 1;
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: min(100% - 3rem, var(--max));
  margin: 0 auto;
  padding: calc(var(--header-h) + 4rem) 0 5rem;
}

.eyebrow {
  display: block;
  margin: 0 0 1.25rem;
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow::before {
  display: none;
}

.hero h1 {
  max-width: min(900px, 92vw);
  margin: 0;
  color: var(--white);
  font-size: clamp(2.75rem, 7vw, 5.5rem);
  font-weight: 600;
  line-height: 0.95;
  letter-spacing: -0.035em;
}

.hero p {
  max-width: 52ch;
  margin: 1.5rem 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.6;
}

.hero-actions,
.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.hero-scroll {
  position: absolute;
  right: max(1.5rem, calc((100vw - var(--max)) / 2 + 1.5rem));
  bottom: 2rem;
  z-index: 2;
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

/* ── Buttons ── */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px;
  border: 1px solid transparent;
  padding: 0.75rem 1.25rem;
  cursor: pointer;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: background 200ms ease, border-color 200ms ease, color 200ms ease;
}

.button.primary {
  background: var(--white);
  color: var(--black);
}

.button.primary:hover {
  background: rgba(255, 255, 255, 0.88);
}

.button.secondary {
  border-color: var(--line-strong);
  color: var(--white);
}

.button.secondary:hover {
  background: rgba(255, 255, 255, 0.08);
}

.button.dark {
  background: var(--black);
  color: var(--white);
  border-color: var(--line);
}

.button.light {
  border-color: rgba(0, 0, 0, 0.15);
  background: var(--white);
  color: var(--black);
}

.button::after {
  content: "→";
  font-weight: 400;
}

/* ── Sections ── */

.section {
  position: relative;
  padding: clamp(4rem, 8vw, 7rem) 0;
  border-bottom: 1px solid var(--line);
}

.section.dark {
  background: var(--black);
  color: var(--white);
}

.section.gray {
  background: var(--ink);
}

.section.band {
  background: var(--ink-2);
  color: var(--white);
}

.section.light {
  background: var(--white);
  color: var(--black);
}

.wrap {
  position: relative;
  z-index: 2;
  width: min(100% - 3rem, var(--max));
  margin: 0 auto;
  min-width: 0;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.45fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: end;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

.section-head h2 {
  margin: 0;
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.03em;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.65;
}

.section.light .section-head p {
  color: rgba(0, 0, 0, 0.55);
}

.dark .section-head p,
.band .section-head p {
  color: rgba(255, 255, 255, 0.55);
}

/* ── Mission strip ── */

.mission-strip {
  padding: clamp(3rem, 6vw, 5rem) 0;
  border-bottom: 1px solid var(--line);
  background: var(--black);
}

.mission-strip blockquote {
  margin: 0;
  max-width: 18ch;
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.mission-strip cite {
  display: block;
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 0.8125rem;
  font-style: normal;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ── Product showcase (Anduril-style) ── */

.showcase-list {
  display: grid;
}

.showcase-item {
  border-top: 1px solid var(--line);
}

.showcase-item:last-child {
  border-bottom: 1px solid var(--line);
}

.showcase-link {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 0;
  min-height: clamp(320px, 42vw, 520px);
  transition: background 300ms ease;
}

.showcase-link:hover {
  background: rgba(255, 255, 255, 0.03);
}

.showcase-item:nth-child(even) .showcase-link {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
}

.showcase-item:nth-child(even) .showcase-media {
  order: 2;
}

.showcase-media {
  position: relative;
  overflow: hidden;
  background: var(--ink);
}

.showcase-media img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  transition: transform 600ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.showcase-link:hover .showcase-media img {
  transform: scale(1.03);
}

.showcase-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 4vw, 3.5rem);
  border-left: 1px solid var(--line);
}

.showcase-item:nth-child(even) .showcase-copy {
  border-left: 0;
  border-right: 1px solid var(--line);
}

.showcase-copy h3 {
  margin: 0.5rem 0 0.75rem;
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.showcase-copy p {
  margin: 0;
  max-width: 42ch;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.65;
}

.showcase-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.showcase-arrow::after {
  content: "→";
  transition: transform 200ms ease;
}

.showcase-link:hover .showcase-arrow::after {
  transform: translateX(4px);
}

/* ── Grids & cards ── */

.grid {
  display: grid;
  gap: 1px;
  min-width: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.grid.three {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
}

.grid.two {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr));
}

.card,
.product-card,
.feature-card,
.contact-panel {
  background: var(--black);
  border: none;
}

.dark .card,
.dark .feature-card,
.band .card {
  background: var(--black);
}

.product-card {
  display: grid;
  min-height: 400px;
  overflow: hidden;
  transition: background 200ms ease;
}

.product-card:hover {
  background: var(--ink);
}

.product-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  background: var(--ink);
}

.product-body {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.5rem;
}

.product-body h3,
.feature-card h3,
.card h3 {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.product-body p,
.feature-card p,
.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

.product-link {
  margin-top: auto;
  padding-top: 0.5rem;
  color: var(--white);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.product-link::after {
  content: " →";
}

.feature-card,
.card {
  padding: 1.5rem;
}

.feature-card .label,
.card .label,
.metric .label {
  display: block;
  margin-bottom: 0.75rem;
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ── Split layout ── */

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.75fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  min-width: 0;
}

.split.reverse {
  grid-template-columns: minmax(320px, 0.75fr) minmax(0, 1fr);
}

.grid > *,
.split > *,
.section-head > *,
.contact-grid > *,
.footer-inner > * {
  min-width: 0;
}

.copy h2,
.copy h3 {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 3.5vw, 3rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.copy p {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.65;
}

.dark .copy p,
.band .copy p {
  color: rgba(255, 255, 255, 0.6);
}

.visual {
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink);
}

.visual img {
  width: 100%;
  min-height: 280px;
  object-fit: cover;
}

/* ── Diagrams ── */

.diagram-visual {
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink);
}

.diagram-visual img {
  width: 100%;
  min-height: 280px;
  object-fit: cover;
}

.diagram-caption {
  display: grid;
  grid-template-columns: minmax(0, 0.32fr) minmax(0, 1fr);
  gap: 1.5rem;
  border: 1px solid var(--line);
  border-top: 0;
  padding: 1.25rem 1.5rem;
  background: var(--black);
}

.diagram-caption strong {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.diagram-caption p {
  margin: 0;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* ── Spec table ── */

.spec-table {
  display: grid;
  border: 1px solid var(--line);
  overflow: hidden;
}

.spec-row {
  display: grid;
  grid-template-columns: minmax(180px, 0.35fr) minmax(0, 1fr);
  border-bottom: 1px solid var(--line);
}

.spec-row:last-child {
  border-bottom: 0;
}

.spec-row strong,
.spec-row span {
  padding: 1rem 1.25rem;
  font-size: 0.875rem;
}

.spec-row strong {
  background: var(--ink);
  font-weight: 600;
}

.spec-row span {
  color: var(--muted);
}

.logo-visual {
  background: var(--ink);
}

.logo-visual img {
  min-height: 260px;
  padding: clamp(2rem, 5vw, 3.5rem);
  object-fit: contain;
  filter: brightness(0) invert(1);
}

/* ── Lists ── */

.list {
  display: grid;
  gap: 0.65rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.list li {
  position: relative;
  padding-left: 1rem;
  color: var(--muted);
  font-size: 0.9375rem;
}

.list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: rgba(255, 255, 255, 0.35);
}

.dark .list li,
.band .list li {
  color: rgba(255, 255, 255, 0.65);
}

/* ── Metrics ── */

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metric {
  padding: 1.5rem 0;
  border-right: 1px solid var(--line);
}

.metric:first-child {
  padding-left: 0;
}

.metric:last-child {
  border-right: 0;
  padding-right: 0;
}

.metric strong {
  display: block;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.03em;
}

.metric span:last-child {
  display: block;
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.8125rem;
}

/* ── Timeline ── */

.timeline {
  display: grid;
  border-top: 1px solid var(--line);
}

.timeline-item {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 2rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
}

.timeline-item strong {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.timeline-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9375rem;
}

/* ── Contact ── */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.55fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.contact-panel {
  padding: 1.5rem;
  border: 1px solid var(--line);
}

.form-grid {
  display: grid;
  gap: 1rem;
}

.field {
  display: grid;
  gap: 0.4rem;
}

.field label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
}

.field input,
.field textarea,
.field select {
  width: 100%;
  border: 1px solid var(--line);
  padding: 0.85rem 1rem;
  background: var(--ink);
  color: var(--text);
  transition: border-color 180ms ease;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--line-strong);
}

.field textarea {
  min-height: 140px;
  resize: vertical;
}

/* ── Notes & panels ── */

.note {
  border-left: 2px solid var(--white);
  padding: 1rem 1.25rem;
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.875rem;
  line-height: 1.6;
}

.redacted-panel {
  display: grid;
  gap: 0.75rem;
  border: 1px solid var(--line);
  padding: 1.5rem;
  background: var(--ink);
}

.redacted-line {
  height: 12px;
  background: rgba(255, 255, 255, 0.08);
}

.redacted-line.short {
  width: 55%;
}

.redacted-line.mid {
  width: 75%;
}

.classification-strip {
  display: inline-flex;
  margin-bottom: 1rem;
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--line);
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ── Media ── */

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.media-grid img,
.media-grid video {
  width: 100%;
  background: var(--ink);
}

.evidence-strip {
  background: var(--ink);
}

.evidence-head {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.evidence-head h3 {
  margin: 0;
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.evidence-head p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9375rem;
}

.media-grid-tight {
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
}

.media-grid-tight video,
.media-grid-tight img {
  height: 100%;
  min-height: 280px;
  object-fit: cover;
}

.hero-media-split {
  padding-top: 0;
  border-bottom: 1px solid var(--line);
}

.hero-media-split .media-grid-tight {
  width: min(100% - 3rem, var(--max));
  margin: 0 auto;
  min-height: clamp(320px, 42vw, 520px);
}

.kitapkon-screens-showcase {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.kitapkon-screens-showcase img {
  width: 100%;
  display: block;
  border: 1px solid var(--line);
  background: var(--ink);
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top;
}

.kitapkon-screens-showcase img:first-child {
  grid-column: 1 / -1;
  aspect-ratio: 21 / 9;
}

@media (max-width: 760px) {
  .kitapkon-screens-showcase {
    grid-template-columns: 1fr;
  }

  .kitapkon-screens-showcase img:first-child {
    aspect-ratio: 16 / 10;
  }
}

.hero-media-split .media-grid-tight video,
.hero-media-split .media-grid-tight img {
  min-height: clamp(320px, 42vw, 520px);
}

.spec-badge {
  display: inline-flex;
  align-items: center;
  margin-left: 0.65rem;
  padding: 0.2rem 0.45rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-style: normal;
  vertical-align: middle;
}

.spec-row-restricted strong {
  color: rgba(255, 255, 255, 0.72);
}

.spec-row-restricted span {
  color: var(--muted);
}

.teknik-note {
  margin-bottom: 1.5rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.875rem;
  line-height: 1.6;
}

.product-actions-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* ── News ── */

.news-section {
  background: var(--white);
  color: var(--black);
}

.news-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.12);
  padding-bottom: 1.25rem;
  margin-bottom: 2rem;
}

.news-head h2 {
  margin: 0;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.03em;
}

.news-link {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--black);
}

.news-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.85fr);
  gap: 2rem;
}

.news-lead h3 {
  margin: 0.75rem 0 1rem;
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.news-meta {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: rgba(0, 0, 0, 0.45);
}

.news-lead p {
  margin: 0 0 1.25rem;
  color: rgba(0, 0, 0, 0.65);
  font-size: 0.9375rem;
  line-height: 1.65;
}

.news-image {
  border: 1px solid rgba(0, 0, 0, 0.1);
  background: #f0f0f0;
}

.news-image img {
  width: 100%;
  min-height: 300px;
  object-fit: cover;
}

/* ── Signal grid ── */

.signal-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--line);
}

.signal-cell {
  min-height: 120px;
  padding: 1.25rem;
  background: var(--black);
}

.signal-cell strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.signal-cell span {
  color: var(--muted);
  font-size: 0.8125rem;
}

/* ── Footer ── */

.site-footer {
  background: var(--black);
  color: var(--white);
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) repeat(3, minmax(140px, 0.25fr));
  gap: 2.5rem;
  width: min(100% - 3rem, var(--max));
  margin: 0 auto;
  padding: 4rem 0 3rem;
}

.footer-logo {
  width: min(176px, 72%);
  max-width: 100%;
  margin-bottom: 1rem;
  filter: brightness(0) invert(1);
}

.footer-inner p,
.footer-inner a {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
  line-height: 1.6;
  transition: color 180ms ease;
}

.footer-inner a:hover {
  color: var(--white);
}

.footer-inner h3 {
  margin: 0 0 1rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-links {
  display: grid;
  gap: 0.5rem;
}

.footer-bottom {
  border-top: 1px solid var(--line);
}

.footer-bottom .wrap {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.75rem;
}

/* ── Scroll reveal ── */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 700ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.tactical-canvas {
  display: none;
}

/* ── Responsive ── */

@media (max-width: 1120px) {
  .section-head,
  .split,
  .split.reverse,
  .contact-grid,
  .showcase-link,
  .showcase-item:nth-child(even) .showcase-link {
    grid-template-columns: 1fr;
  }

  .showcase-item:nth-child(even) .showcase-media {
    order: 0;
  }

  .showcase-copy,
  .showcase-item:nth-child(even) .showcase-copy {
    border-left: 0;
    border-right: 0;
    border-top: 1px solid var(--line);
  }

  .section-head {
    align-items: start;
  }
}

@media (max-width: 1060px) {
  .nav-links {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 1.5rem 1.5rem;
    background: rgba(0, 0, 0, 0.98);
    border-bottom: 1px solid var(--line);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--line);
    font-size: 0.9375rem;
  }

  .nav-group {
    border-bottom: 1px solid var(--line);
  }

  .nav-group-toggle {
    width: 100%;
    justify-content: space-between;
    padding: 0.85rem 0;
    font-size: 0.9375rem;
  }

  .nav-dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
    min-width: 0;
    margin: 0 0 0.5rem;
    padding: 0;
    background: transparent;
    border: 0;
  }

  .nav-group:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
  }

  .nav-group.is-open .nav-dropdown {
    display: block;
  }

  .nav-dropdown a {
    padding: 0.65rem 0 0.65rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.72);
  }

  .nav-links a:last-child {
    border-bottom: 0;
  }

  .nav-links > a:last-of-type {
    border-bottom: 0;
  }

  .menu-toggle {
    display: inline-block;
  }
}

@media (max-width: 860px) {
  .nav-shell,
  .wrap,
  .hero-inner {
    width: min(100% - 2rem, var(--max));
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    width: min(100% - 2rem, var(--max));
  }

  .grid.three,
  .grid.two,
  .metrics,
  .signal-grid,
  .news-grid {
    grid-template-columns: 1fr;
  }

  .metric {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 1.25rem 0;
  }

  .metric:last-child {
    border-bottom: 0;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .hero h1 {
    max-width: none;
  }

  .hero-scroll {
    display: none;
  }
}

@media (max-width: 560px) {
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .hero-actions,
  .section-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .diagram-caption,
  .spec-row {
    grid-template-columns: 1fr;
  }

  .footer-bottom .wrap {
    flex-direction: column;
  }
}

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

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .showcase-link:hover .showcase-media img {
    transform: none;
  }
}