/* ==========================================================================
   ALP-ER KALIP MAKİNA SAN. VE TİC. LTD. ŞTİ.
   Endüstriyel Ağır Sanayi Tasarım Sistemi & Stil Dosyası
   Tipografi: Syne (Display) + Chakra Petch (Telemetri) + Manrope (Gövde)
   Estetik: Makino / DMG Mori Caliber Precision Engineering
   ========================================================================== */

:root {
  /* Renk Hiyerarşisi - Soğuk Haddelenmiş Çelik & Grafit Siyah */
  --bg-void: #05070a;
  --bg-base: #07090e;
  --bg-panel: #0d1118;
  --bg-surface: #121722;
  --bg-elevated: #18202e;
  --bg-card: #0f141f;

  /* Sınırlar & Çelik Ayrım Çizgileri */
  --border-subtle: #1a2232;
  --border-grid: #242f44;
  --border-accent: #374663;
  --border-active: #dc2626;

  /* Tipografi Renkleri - Yüksek WCAG Kontrastı */
  --text-pure: #ffffff;
  --text-high: #f1f5f9;
  --text-body: #cbd5e1;
  --text-muted: #8493a8;
  --text-dim: #546277;

  /* Endüstriyel İşaretçi & Fonksiyonel Vurgular */
  --accent-red: #b91c1c;
  --accent-red-hover: #991b1b;
  --text-red: #f87171;
  --accent-red-surface: rgba(185, 28, 28, 0.12);
  --accent-green: #10b981;
  --accent-wa: #25d366;
  --accent-wa-hover: #22c35e;

  /* Tipografi Aileleri */
  --font-display: 'Barlow', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Rijit Endüstriyel Ölçüler */
  --container-max: 1240px;
  --radius-rigid: 2px;
  --radius-subtle: 3px;

  /* Gölge Standartları - Sıfır Kromatik Halo */
  --shadow-base: none;
  --shadow-elevated: none;

  /* Layout */
  --header-h: 76px;
}

/* --------------------------------------------------------------------------
   Sıfırlama ve Temel Kurallar
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-base);
  color: var(--text-body);
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
  overflow-x: clip;
  max-width: 100%;
  width: 100%;
  touch-action: manipulation;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-base);
  color: var(--text-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  overflow-x: clip;
  max-width: 100%;
  width: 100%;
  position: relative;
  touch-action: pan-y;
}

html.nav-open,
body.nav-open {
  overflow: hidden;
  touch-action: none;
}

html.nav-open .header,
body.nav-open .header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
}

button, a, input, select, textarea, [role="button"] {
  touch-action: manipulation;
}

img, picture {
  display: block;
  max-width: 100%;
  height: auto;
}

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

ul {
  list-style: none;
}

button, input, select, textarea {
  font: inherit;
  border: none;
  background: none;
  color: inherit;
}

button {
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--accent-red);
  outline-offset: 2px;
}

@media (hover: none) and (pointer: coarse) {
  :focus,
  :focus-visible,
  a:focus,
  button:focus {
    outline: none !important;
  }
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section {
  padding: 96px 0;
  scroll-margin-top: var(--header-h);
  position: relative;
}

.section--dark {
  background-color: var(--bg-base);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section--steel {
  background-color: var(--bg-panel);
  border-top: 1px solid var(--border-grid);
  border-bottom: 1px solid var(--border-grid);
}

/* --------------------------------------------------------------------------
   Tipografi Standartları
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--text-pure);
  letter-spacing: -0.01em;
}

.mono-tag {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  
  color: var(--text-muted);
}

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

.mono-code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Butonlar & Etkileşim Elemanları
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  
  padding: 12px 24px;
  border-radius: var(--radius-rigid);
  border: 1px solid transparent;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
  white-space: nowrap;
}

.btn:active {
  transform: translateY(1px);
}

.btn--danger {
  background-color: var(--accent-red);
  color: var(--text-pure);
  border-color: var(--accent-red);
}

.btn--danger:hover {
  background-color: var(--accent-red-hover);
  border-color: var(--accent-red-hover);
  color: var(--text-pure);
}

.btn--outline {
  background-color: transparent;
  color: var(--text-high);
  border-color: var(--border-grid);
}

.btn--outline:hover {
  background-color: var(--bg-elevated);
  border-color: var(--border-accent);
  color: var(--text-pure);
}

.btn--sm {
  padding: 8px 16px;
  font-size: 0.8125rem;
}

.btn--lg {
  padding: 14px 28px;
  font-size: 0.9375rem;
}

.btn--xl {
  padding: 18px 36px;
  font-size: 1rem;
}

.btn--block {
  width: 100%;
}

/* --------------------------------------------------------------------------
   2. Ana Navigasyon Başlığı (Header)
   -------------------------------------------------------------------------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(13, 17, 24, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-subtle);
  height: var(--header-h);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand__symbol {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.brand__img {
  width: 38px;
  height: 38px;
  object-fit: cover;
  border-radius: var(--radius-rigid);
  border: 1px solid var(--border-grid);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.brand__identity {
  display: flex;
  flex-direction: column;
}

.brand__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--text-pure);
  line-height: 1.1;
}

.brand__sub {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--text-muted);
  line-height: 1.4;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  
  color: var(--text-muted);
  position: relative;
  padding: 8px 0;
  transition: color 0.15s ease;
}

.nav__link:hover,
.nav__link.active {
  color: var(--text-pure);
}

.nav__link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--accent-red);
}

.nav__drawer-cta {
  display: none;
}

.header__cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  padding: 0;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--text-high);
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle.is-active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.nav-toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   3. Hero Sahnesi
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding: 120px 0 100px;
  min-height: 820px;
  display: flex;
  align-items: center;
  background-color: var(--bg-void);
  overflow: hidden;
  border-bottom: 1px solid var(--border-grid);
}

.hero__backdrop {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero__backdrop picture {
  display: block;
  width: 100%;
  height: 100%;
}

.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.82) contrast(1.04);
}

.hero__mask {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      90deg,
      rgba(5, 7, 10, 0.75) 0%,
      rgba(7, 9, 14, 0.48) 50%,
      rgba(7, 9, 14, 0.20) 100%
    ),
    linear-gradient(
      180deg,
      rgba(5, 7, 10, 0.65) 0%,
      rgba(7, 9, 14, 0.30) 40%,
      rgba(7, 9, 14, 0.82) 85%,
      var(--bg-base) 100%
    );
}



.hero__stage {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.hero__meta-divider {
  color: var(--border-accent);
}

.hero__heading {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5.5vw, 4.25rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text-pure);
  margin-bottom: 24px;
}

.hero__heading-sub {
  color: var(--text-muted);
}

.hero__abstract {
  font-size: clamp(1rem, 1.3vw, 1.1875rem);
  line-height: 1.65;
  color: var(--text-body);
  max-width: 680px;
  margin-bottom: 40px;
}

.hero__abstract strong {
  color: var(--text-pure);
  font-weight: 600;
}

.hero__controls {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

/* Ağır Telemetri Izgarası */
.telemetry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background-color: var(--border-grid);
  border: 1px solid var(--border-grid);
  border-radius: var(--radius-rigid);
  box-shadow: var(--shadow-elevated);
}

.telemetry-box {
  background-color: var(--bg-panel);
  padding: 24px 20px;
  position: relative;
  transition: background-color 0.2s ease;
}

.telemetry-box:hover {
  background-color: var(--bg-surface);
}

.telemetry-box__code {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--text-red);
  margin-bottom: 6px;
}

.telemetry-box__val {
  font-family: var(--font-display);
  font-size: 2.125rem;
  font-weight: 700;
  color: var(--text-pure);
  line-height: 1.1;
  margin-bottom: 6px;
}

.telemetry-box__val .unit {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-left: 2px;
}

.telemetry-box__name {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--text-high);
  margin-bottom: 4px;
}

.telemetry-box__desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   4. Bölüm Başlıkları (Spec Header)
   -------------------------------------------------------------------------- */
.spec-header {
  margin-bottom: 56px;
}

.spec-header__label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  
  color: var(--text-red);
  margin-bottom: 8px;
}

.spec-header__title {
  font-family: var(--font-display);
  font-size: clamp(1.875rem, 3.2vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.15;
  color: var(--text-pure);
  margin-bottom: 12px;
}

.spec-header__desc {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 640px;
}

/* --------------------------------------------------------------------------
   5. İmalat Kapasitesi (Capabilities)
   -------------------------------------------------------------------------- */
.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.spec-panel {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-rigid);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.spec-panel:hover {
  border-color: var(--border-accent);
  background-color: var(--bg-surface);
}

.spec-panel__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.spec-panel__idx {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--text-red);
}

.spec-panel__cat {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  
  color: var(--text-dim);
}

.spec-panel__title {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--text-pure);
  margin-bottom: 14px;
  line-height: 1.25;
}

.spec-panel__text {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--text-body);
  margin-bottom: 28px;
  flex-grow: 1;
}

.spec-panel__footer {
  border-top: 1px solid var(--border-subtle);
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.spec-data-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  gap: 12px;
}

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

.spec-data-row strong {
  color: var(--text-high);
  font-weight: 600;
  text-align: right;
}

/* --------------------------------------------------------------------------
   6. Makine Parkuru Envanteri (Machines)
   -------------------------------------------------------------------------- */
.inventory-filter {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.inv-filter-btn {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  
  padding: 10px 18px;
  background-color: var(--bg-surface);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-rigid);
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.inv-filter-btn:hover {
  background-color: var(--bg-elevated);
  border-color: var(--border-accent);
  color: var(--text-high);
}

.inv-filter-btn.active {
  background-color: var(--accent-red);
  border-color: var(--accent-red);
  color: var(--text-pure);
}

.inventory-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.inv-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-rigid);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.inv-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

.inv-card--flagship {
  border-color: var(--border-accent);
  background-color: var(--bg-surface);
}

.inv-card__view {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  background-color: var(--bg-panel);
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}

.inv-card__view img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.04) brightness(1.01);
  transition: transform 0.3s ease;
}

.inv-card:hover .inv-card__view img {
  transform: scale(1.03);
}

.inv-card__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background-color: rgba(7, 9, 14, 0.88);
  backdrop-filter: blur(4px);
  border: 1px solid var(--border-grid);
  color: var(--text-high);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  padding: 4px 10px;
  border-radius: var(--radius-rigid);
}

.inv-card__badge--red {
  background-color: var(--accent-red);
  border-color: var(--accent-red);
  color: var(--text-pure);
}

.inv-card__detail {
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.inv-card__header {
  margin-bottom: 18px;
}

.inv-card__name {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text-pure);
  margin-bottom: 4px;
}

.inv-card__sub {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.telemetry-table {
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 14px;
}

.t-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-body);
  font-size: 0.75rem;
}

.t-key {
  color: var(--text-dim);
  font-weight: 600;
  letter-spacing: 0.03em;
}

.t-val {
  font-family: var(--font-mono);
  color: var(--text-body);
  font-weight: 600;
}

.t-val--highlight {
  color: #ff6b6b;
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   7. Kurumsal Künye (Dossier)
   -------------------------------------------------------------------------- */
.dossier__layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.dossier__narrative .spec-header__title {
  margin-bottom: 20px;
}

.dossier__lead {
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--text-high);
  margin-bottom: 18px;
}

.dossier__lead strong {
  color: var(--text-pure);
}

.dossier__body {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-body);
  margin-bottom: 32px;
}

.dossier__facts {
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-panel);
  border-radius: var(--radius-rigid);
  margin-bottom: 32px;
}

.fact-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  gap: 16px;
}

.fact-row:last-child {
  border-bottom: none;
}

.fact-row__label {
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.03em;
}

.fact-row__val {
  color: var(--text-pure);
  font-weight: 700;
}

.dossier__visual {
  position: relative;
}

.dossier__frame {
  border: 1px solid var(--border-grid);
  border-radius: var(--radius-rigid);
  overflow: hidden;
  background-color: var(--bg-panel);
}

.dossier__frame img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: contrast(1.1);
}

.dossier__caption {
  padding: 14px 18px;
  background-color: var(--bg-void);
  border-top: 1px solid var(--border-subtle);
}

/* --------------------------------------------------------------------------
   8. Atölye Galeri Sahnesi (Gallery)
   -------------------------------------------------------------------------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.gallery-frame {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-rigid);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.gallery-frame:hover {
  border-color: var(--border-accent);
}

.gallery-frame picture {
  overflow: hidden;
}

.gallery-frame img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: contrast(1.08);
  transition: transform 0.3s ease;
}

.gallery-frame:hover img {
  transform: scale(1.02);
}

.gallery-meta {
  padding: 16px 20px;
  background-color: var(--bg-void);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.gallery-meta__tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--text-red);
  
}

.gallery-meta__desc {
  font-size: 0.8125rem;
  color: var(--text-body);
}

/* --------------------------------------------------------------------------
   9. Hızlı Çizim / Teklif Bloğu (Fast RFQ)
   -------------------------------------------------------------------------- */
.fast-rfq {
  background-color: var(--bg-void);
  border-top: 1px solid var(--border-grid);
  border-bottom: 1px solid var(--border-grid);
  padding: 80px 0;
  position: relative;
}

.fast-rfq__inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.fast-rfq__title {
  font-family: var(--font-display);
  font-size: clamp(1.875rem, 3vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.2;
  color: var(--text-pure);
  margin-top: 10px;
  margin-bottom: 16px;
}

.fast-rfq__desc {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-body);
}

.fast-rfq__desc strong {
  color: var(--text-pure);
}

.fast-rfq__action {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.fast-rfq__phone {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.fast-rfq__phone a {
  color: var(--text-high);
  font-weight: 700;
}

.fast-rfq__phone a:hover {
  color: var(--accent-red);
}

/* --------------------------------------------------------------------------
   10. İletişim ve Konum (Contact)
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 36px;
}

.contact-dossier {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-row {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-rigid);
  padding: 24px;
}

.contact-row__head {
  margin-bottom: 12px;
}

.contact-row__tag {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--text-red);
}

.contact-row__main {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-pure);
  margin-bottom: 4px;
}

.contact-row__sub {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.contact-row__phone {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-pure);
  display: inline-block;
  margin-bottom: 6px;
  transition: color 0.15s ease;
}

.contact-row__phone:hover {
  color: var(--accent-red);
}

.link-nav {
  display: inline-flex;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-red);
  transition: color 0.15s ease;
}

.link-nav:hover {
  color: #fca5a5;
}

.contact-map {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-grid);
  border-radius: var(--radius-rigid);
  overflow: hidden;
  background-color: var(--bg-card);
  height: 100%;
}

.map-frame {
  width: 100%;
  min-height: 280px;
  flex: 1;
  border: 0;
}

.map-bar {
  padding: 20px 24px;
  background-color: var(--bg-panel);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.map-logistics {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-bottom: 4px;
}

.logistics-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--text-body);
}

.logistics-item svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--text-red);
}

.logistics-item__text strong {
  display: block;
  font-weight: 700;
  color: var(--text-pure);
  margin-bottom: 2px;
}

.logistics-item__text span {
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   11. Alt Bilgi (Footer)
   -------------------------------------------------------------------------- */
.footer {
  background-color: var(--bg-void);
  border-top: 1px solid var(--border-grid);
  padding: 80px 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr 1.3fr;
  gap: 48px;
  padding-bottom: 64px;
}

.footer__desc {
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--text-muted);
  margin-top: 20px;
  max-width: 360px;
}

.footer__heading {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  
  color: var(--text-high);
  margin-bottom: 20px;
}

.footer__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__list a,
.footer__list span {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color 0.15s ease;
}

.footer__list a:hover {
  color: var(--text-pure);
}

.footer__text {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 8px;
}

.footer__phone a {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-pure);
}

.footer__phone a:hover {
  color: var(--accent-red);
}

.footer__bottom {
  border-top: 1px solid var(--border-subtle);
  padding: 24px 0;
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--text-dim);
}

.footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* --------------------------------------------------------------------------
   12. Yüzen Butonlar & Mobil Bar
   -------------------------------------------------------------------------- */
.wa-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 99;
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: var(--accent-wa);
  color: #ffffff;
  padding: 12px 20px;
  border-radius: var(--radius-rigid);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-elevated);
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.wa-float:hover {
  background-color: var(--accent-wa-hover);
  transform: translateY(-2px);
}

.wa-float__label {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  
}

.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 220px;
  z-index: 98;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background-color: var(--bg-surface);
  color: var(--text-high);
  border: 1px solid var(--border-grid);
  border-radius: var(--radius-rigid);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, background-color 0.2s ease;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.back-to-top:hover {
  background-color: var(--bg-elevated);
  border-color: var(--border-accent);
}

.mobile-action-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  max-width: 100%;
  z-index: 1000;
  background-color: #07090e;
  border-top: 1px solid var(--border-grid);
  padding: 8px 12px calc(8px + env(safe-area-inset-bottom, 0px));
  box-sizing: border-box;
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
}

.mobile-action-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 4px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  
  border-radius: var(--radius-rigid);
  transition: color 0.15s ease, background-color 0.15s ease;
}

.mobile-action-item:hover {
  color: var(--text-pure);
}

.mobile-action-item--danger {
  color: var(--accent-wa);
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   13. Responsive / Medya Sorguları
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .telemetry-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .inventory-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 991px) {
  :root {
    --header-h: 68px;
  }

  .header {
    background-color: #0d1118;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .hero__backdrop {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: auto;
    height: 520px;
    overflow: hidden;
    z-index: 1;
  }

  .hero__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 42%;
    filter: brightness(0.72) contrast(1.06);
  }

  .hero__mask {
    position: absolute;
    inset: 0;
    background: linear-gradient(
      180deg,
      rgba(5, 7, 10, 0.75) 0%,
      rgba(5, 7, 10, 0.65) 30%,
      rgba(5, 7, 10, 0.85) 65%,
      var(--bg-void) 100%
    );
  }

  .hero {
    min-height: auto;
    padding: 72px 0 54px;
    background-color: var(--bg-void);
    background-image: none;
  }

  .hero__meta .mono-tag {
    color: #f1f5f9;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.9);
  }

  .map-frame {
    pointer-events: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: 100%;
    height: calc(100vh - var(--header-h));
    height: calc(100dvh - var(--header-h));
    background-color: #07090e;
    background: #07090e;
    padding: 24px 20px 48px;
    border-top: 1px solid var(--border-grid);
    display: none;
    z-index: 9999;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    box-sizing: border-box;
    flex-direction: column;
    justify-content: flex-start;
  }

  .nav.is-active {
    display: flex;
  }

  .nav__list {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    margin-bottom: 24px;
  }

  .nav__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    padding: 18px 12px;
    border-bottom: 1px solid var(--border-grid);
    color: var(--text-pure);
    width: 100%;
    transition: color 0.15s ease, background-color 0.15s ease;
  }

  .nav__link::after {
    display: none;
  }

  .nav__link:hover,
  .nav__link:active,
  .nav__link.active {
    color: var(--text-red);
    background-color: var(--bg-surface);
  }

  .nav__drawer-cta {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--border-grid);
  }

  .header__cta .btn {
    display: none;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }

  .hero {
    min-height: auto;
    padding: 64px 0 48px;
  }

  .hero__meta-divider {
    display: none;
  }

  .hero__controls {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .hero__controls .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .telemetry-grid {
    grid-template-columns: 1fr;
  }

  .spec-grid {
    grid-template-columns: 1fr;
  }

  .spec-panel {
    padding: 24px 18px;
  }

  .inventory-grid {
    grid-template-columns: 1fr;
  }

  .dossier__layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .fact-row {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 12px 14px;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .fast-rfq__inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .fast-rfq__action {
    align-items: stretch;
    width: 100%;
  }

  .fast-rfq__btn {
    width: 100%;
    padding: 16px 18px;
    font-size: 0.9375rem;
    white-space: normal;
    text-align: center;
    justify-content: center;
  }

  .map-btn {
    white-space: normal;
    text-align: center;
    justify-content: center;
    padding: 14px 18px;
    font-size: 0.875rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer__bottom-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .wa-float {
    bottom: calc(74px + env(safe-area-inset-bottom, 0px));
    right: 16px;
    padding: 10px 16px;
  }

  .wa-float__label {
    display: none;
  }

  .back-to-top {
    display: none;
  }

  .mobile-action-bar {
    display: flex;
  }

  body {
    padding-bottom: calc(64px + env(safe-area-inset-bottom, 0px));
  }
}

@media (max-width: 480px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .brand__title {
    font-size: 1.0625rem;
  }

  .hero__heading {
    font-size: 2rem;
  }

  .hero__backdrop {
    height: 480px;
  }
}