/* ==========================================================================
   Kurtoğlu Alüminyum — Corporate Site Styles
   ========================================================================== */

/* --- Variables --- */
:root {
  --color-navy: #0c1f3d;
  --color-navy-light: #152a4a;
  --color-anthracite: #2b3238;
  --color-metal: #6b7a8a;
  --color-metal-light: #9aa8b5;
  --color-white: #ffffff;
  --color-off-white: #f4f6f8;
  --color-accent: #e85d04;
  --color-accent-hover: #c44d03;
  --color-border: #dde3ea;
  --font-sans: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --shadow-sm: 0 2px 8px rgba(12, 31, 61, 0.08);
  --shadow-md: 0 8px 24px rgba(12, 31, 61, 0.12);
  --shadow-lg: 0 16px 48px rgba(12, 31, 61, 0.16);
  --radius: 8px;
  --radius-lg: 12px;
  --header-h: 76px;
  --transition: 0.25s ease;
  --container: 1200px;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-anthracite);
  background: var(--color-white);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent-hover); }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { color: var(--color-navy); line-height: 1.25; margin-top: 0; }
h1 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1rem; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); border: 0;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.25rem;
}
.section { padding: 4.5rem 0; }
.section--alt { background: var(--color-off-white); }
.section__header { text-align: center; max-width: 720px; margin: 0 auto 3rem; }
.section__label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}
.section__lead { color: var(--color-metal); font-size: 1.1rem; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}
.btn--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-white);
}
.btn--outline {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}
.btn--outline:hover { background: var(--color-white); color: var(--color-navy); }
.btn--dark {
  background: var(--color-navy);
  color: var(--color-white);
  border-color: var(--color-navy);
}
.btn--dark:hover { background: var(--color-navy-light); color: var(--color-white); }
.btn--ghost {
  background: transparent;
  color: var(--color-navy);
  border-color: var(--color-border);
}
.btn--ghost:hover { border-color: var(--color-accent); color: var(--color-accent); }

/* --- Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  height: var(--header-h);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 1rem;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--color-navy);
  text-decoration: none;
  white-space: nowrap;
}
.site-logo:hover { color: var(--color-navy); }
.site-logo__mark {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-navy), var(--color-metal));
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 0.7rem;
  font-weight: 900;
}
.site-nav { display: flex; align-items: center; gap: 0.25rem; }
.site-nav__list { display: flex; align-items: center; gap: 0.1rem; }
.site-nav__link {
  display: block;
  padding: 0.5rem 0.75rem;
  color: var(--color-anthracite);
  font-weight: 500;
  font-size: 0.9rem;
  text-decoration: none;
  border-radius: var(--radius);
}
.site-nav__link:hover,
.site-nav__link.is-active { color: var(--color-accent); background: rgba(232, 93, 4, 0.06); }
.site-nav__item { position: relative; }
.site-nav__toggle {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 0.75rem;
  background: none;
  border: none;
  font: inherit;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--color-anthracite);
  cursor: pointer;
  border-radius: var(--radius);
}
.site-nav__toggle:hover { color: var(--color-accent); }
.site-nav__toggle svg { width: 10px; height: 10px; transition: transform var(--transition); }
.site-nav__item.is-open .site-nav__toggle svg { transform: rotate(180deg); }
.site-nav__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition);
}
.site-nav__item.is-open .site-nav__dropdown,
.site-nav__item:hover .site-nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.site-nav__dropdown a {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--color-anthracite);
  font-size: 0.875rem;
  text-decoration: none;
}
.site-nav__dropdown a:hover { background: var(--color-off-white); color: var(--color-accent); }
.header-actions { display: flex; align-items: center; gap: 0.75rem; }
.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
}
.lang-switch a {
  color: var(--color-metal);
  text-decoration: none;
  padding: 0.25rem 0.4rem;
}
.lang-switch a.is-active { color: var(--color-accent); }
.lang-switch span { color: var(--color-border); }
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-navy);
  transition: var(--transition);
}
.menu-toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.is-active span:nth-child(2) { opacity: 0; }
.menu-toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- Hero slider --- */
.hero-slider {
  position: relative;
  min-height: 520px;
  color: var(--color-white);
  overflow: hidden;
  background: var(--color-navy);
}
.hero-slider__viewport {
  position: relative;
  min-height: inherit;
}
.hero-slider__track {
  position: relative;
  min-height: 520px;
}
.hero-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.65s ease, visibility 0.65s ease;
  z-index: 0;
}
.hero-slide.is-active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}
.hero-slide__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-color: var(--color-navy);
}
.hero-slide__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(12, 31, 61, 0.93) 0%,
    rgba(12, 31, 61, 0.68) 52%,
    rgba(43, 50, 56, 0.45) 100%
  );
}
.hero-slide__content {
  position: relative;
  z-index: 1;
  padding: 5rem 0;
  max-width: 720px;
}
.hero-slide__badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  background: rgba(232, 93, 4, 0.15);
  border: 1px solid rgba(232, 93, 4, 0.35);
  padding: 0.35rem 0.75rem;
  border-radius: 4px;
  margin-bottom: 1rem;
}
.hero-slide h1 {
  color: var(--color-white);
  margin-bottom: 1rem;
  font-size: clamp(1.65rem, 4vw, 2.35rem);
  line-height: 1.2;
}
.hero-slide__text {
  font-size: 1.1rem;
  opacity: 0.92;
  margin-bottom: 2rem;
  line-height: 1.55;
  max-width: 600px;
}
.hero-slide__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}
.hero-slider__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  background: rgba(12, 31, 61, 0.55);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), border-color var(--transition);
}
.hero-slider__btn:hover,
.hero-slider__btn:focus-visible {
  background: rgba(232, 93, 4, 0.9);
  border-color: var(--color-accent);
  outline: none;
}
.hero-slider__btn svg {
  width: 1.1rem;
  height: 1.1rem;
  fill: currentColor;
}
.hero-slider__btn--prev { left: 1rem; }
.hero-slider__btn--next { right: 1rem; }
.hero-slider__dots {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  gap: 0.5rem;
}
.hero-slider__dot {
  width: 2.5rem;
  height: 4px;
  border: none;
  border-radius: 2px;
  padding: 0;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.35);
  transition: background var(--transition), width var(--transition);
}
.hero-slider__dot.is-active {
  background: var(--color-accent);
  width: 3.25rem;
}
.hero-slider__dot:hover,
.hero-slider__dot:focus-visible {
  background: rgba(255, 255, 255, 0.7);
  outline: none;
}
@media (prefers-reduced-motion: reduce) {
  .hero-slide {
    transition: none;
  }
}

/* --- Page Hero (inner pages) --- */
.page-hero {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  color: var(--color-white);
  padding: 3.5rem 0;
}
.page-hero h1 { color: var(--color-white); margin-bottom: 0.5rem; }
.page-hero p { opacity: 0.9; max-width: 600px; margin: 0; }

/* --- Cards --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}
.card-grid--sectors {
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.card__img {
  height: 160px;
  background: linear-gradient(135deg, #3a4a5c, #6b7a8a);
  background-size: cover;
  background-position: center;
}
.card__body { padding: 1.25rem; }
.card__title { margin: 0 0 0.5rem; font-size: 1.1rem; }
.card__text { font-size: 0.9rem; color: var(--color-metal); margin-bottom: 1rem; }
.card__tags { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-bottom: 1rem; }
.card__tag {
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  background: var(--color-off-white);
  color: var(--color-metal);
  border-radius: 4px;
}

/* --- Stats --- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  text-align: center;
}
.stat {
  padding: 2rem 1rem;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}
.stat__num {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.35rem;
}
.stat__label { font-size: 0.95rem; color: var(--color-metal); font-weight: 500; }

/* --- About block --- */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.about-split__img {
  border-radius: var(--radius-lg);
  min-height: 320px;
  background:
    linear-gradient(135deg, rgba(12, 31, 61, 0.3), transparent),
    url("../img/factory.jpg") center/cover no-repeat;
  background-color: var(--color-anthracite);
}
.feature-list { margin: 1.5rem 0 0; }
.feature-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.6rem;
  color: var(--color-metal);
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 2px;
}

/* --- CTA Banner --- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-anthracite) 100%);
  color: var(--color-white);
  padding: 3.5rem 0;
  text-align: center;
}
.cta-banner h2 { color: var(--color-white); margin-bottom: 1rem; }
.cta-banner p { opacity: 0.9; max-width: 560px; margin: 0 auto 1.5rem; }

/* --- Footer --- */
.site-footer {
  background: var(--color-navy);
  color: rgba(255, 255, 255, 0.85);
  padding: 3.5rem 0 0;
}
.site-footer a { color: rgba(255, 255, 255, 0.75); text-decoration: none; }
.site-footer a:hover { color: var(--color-white); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2.5rem;
}
.footer-brand p { font-size: 0.9rem; opacity: 0.8; }
.footer-legal {
  font-size: 0.75rem;
  line-height: 1.45;
  opacity: 0.9;
  margin: 0;
}
.location-card .footer-legal { color: var(--color-metal); }
.footer-title {
  color: var(--color-white);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}
.footer-links li { margin-bottom: 0.4rem; }
.footer-contact li { margin-bottom: 0.6rem; font-size: 0.9rem; }
.footer-social {
  margin-top: 1.25rem;
}
.footer-social__label {
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: 0.7rem;
}
.footer-social__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}
.footer-social__link {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.92);
  transition:
    transform var(--transition),
    background var(--transition),
    border-color var(--transition),
    color var(--transition),
    box-shadow var(--transition);
}
.footer-social__link svg {
  width: 1.15rem;
  height: 1.15rem;
  fill: currentColor;
  flex-shrink: 0;
}
.footer-social__link:hover,
.footer-social__link:focus-visible {
  color: #fff;
  transform: translateY(-3px);
  outline: none;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.28);
}
.footer-social__link--linkedin:hover,
.footer-social__link--linkedin:focus-visible {
  background: #0a66c2;
  border-color: #0a66c2;
}
.footer-social__link--instagram:hover,
.footer-social__link--instagram:focus-visible {
  background: linear-gradient(135deg, #f58529 0%, #dd2a7b 50%, #8134af 100%);
  border-color: transparent;
}
.footer-social__link--youtube:hover,
.footer-social__link--youtube:focus-visible {
  background: #ff0000;
  border-color: #ff0000;
}
.footer-whatsapp {
  margin-top: 1.15rem;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 1.25rem 0;
  font-size: 0.85rem;
  text-align: center;
  opacity: 0.7;
}

/* --- Content pages --- */
.content-block { max-width: 800px; }
.content-block h2 { margin-top: 2rem; margin-bottom: 1rem; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.value-card {
  padding: 1.5rem;
  background: var(--color-off-white);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-accent);
}
.value-card h3 { margin-bottom: 0.5rem; }

/* --- Services --- */
.service-card {
  padding: 2rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  height: 100%;
}
.service-card__icon {
  width: 48px;
  height: 48px;
  background: rgba(232, 93, 4, 0.12);
  color: var(--color-accent);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  margin-bottom: 1rem;
}

/* --- Calculator --- */
.calc-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 2rem;
  align-items: start;
}
.calc-panel {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}
.calc-tabs { display: flex; gap: 0.5rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.calc-tab {
  padding: 0.6rem 1rem;
  border: 1px solid var(--color-border);
  background: var(--color-off-white);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition);
}
.calc-tab.is-active {
  background: var(--color-navy);
  color: var(--color-white);
  border-color: var(--color-navy);
}
.calc-form .form-group { margin-bottom: 1.25rem; }
.calc-form label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 0.35rem;
  color: var(--color-navy);
}
.calc-form input,
.calc-form select {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font: inherit;
}
.calc-form input:focus,
.calc-form select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(232, 93, 4, 0.15);
}
.calc-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.calc-result {
  background: var(--color-navy);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  position: sticky;
  top: calc(var(--header-h) + 1.5rem);
}
.calc-result__value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-accent);
  margin: 0.5rem 0;
}
.calc-result__unit { font-size: 1.25rem; opacity: 0.8; }
.calc-disclaimer {
  margin-top: 1.5rem;
  padding: 1rem;
  background: #fff8f0;
  border: 1px solid #ffd6b3;
  border-radius: var(--radius);
  font-size: 0.85rem;
  color: #7a4a1a;
}
.calc-pane { display: none; }
.calc-pane.is-active { display: block; }

/* --- Contact --- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}
.contact-form {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 0.35rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font: inherit;
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-check {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  font-size: 0.85rem;
}
.form-check input { margin-top: 0.25rem; width: auto; }
.form-wa-hint {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--color-metal);
  line-height: 1.45;
}
.location-cards { display: grid; gap: 1rem; }
.location-card {
  padding: 1.25rem;
  background: var(--color-off-white);
  border-radius: var(--radius);
  border-left: 4px solid var(--color-accent);
}
.location-card h3 { font-size: 1rem; margin-bottom: 0.35rem; }
.map-placeholder {
  margin-top: 2rem;
  height: 280px;
  background: var(--color-off-white);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-metal);
  font-size: 0.9rem;
}

/* --- Catalog --- */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
.catalog-item {
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  align-items: center;
}
.catalog-item__icon {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  background: var(--color-navy);
  color: var(--color-white);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

/* --- CTA & animations --- */
.btn--cta {
  box-shadow: 0 4px 14px rgba(232, 93, 4, 0.35);
  font-weight: 700;
}
.btn--cta:hover {
  box-shadow: 0 6px 20px rgba(232, 93, 4, 0.45);
  transform: translateY(-1px);
}
.btn--whatsapp {
  background: #25d366;
  color: #fff;
  border-color: #25d366;
}
.btn--whatsapp:hover {
  background: #1fb855;
  color: #fff;
}
.float-quote {
  display: none;
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  z-index: 999;
  padding: 0.85rem 1.25rem;
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
  border-radius: 50px;
  box-shadow: var(--shadow-lg);
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition);
}
.float-quote:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(232, 93, 4, 0.4);
}
.card {
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover {
  border-color: rgba(232, 93, 4, 0.25);
}
.stat {
  transition: transform var(--transition), box-shadow var(--transition);
}
.stat.is-visible:hover {
  transform: translateY(-3px);
}
.stat__num {
  transition: color 0.3s ease;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-in {
  animation: fadeUp 0.55s ease forwards;
}

/* --- Market widget (beyaz panel) --- */
#market-widget {
  max-width: 100%;
}
.market-panel {
  background: #fff;
  color: var(--color-ink);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
}
.market-panel .section__label {
  color: var(--color-accent);
}
.market-panel h2 {
  color: var(--color-navy);
  margin-bottom: 0.5rem;
}
.market-panel__lead {
  color: var(--color-metal);
  margin: 0;
  font-size: 1rem;
  line-height: 1.5;
}
.market-panel__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}
.market-metric {
  background: var(--color-off-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
}
.market-metric__label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-metal);
  margin-bottom: 0.35rem;
}
.market-metric__value {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-navy);
}
.market-metric__value--up { color: #059669; }
.market-metric__value--down { color: #dc2626; }
.market-disclaimer {
  margin-top: 1.25rem;
  padding: 0.85rem 1rem;
  background: var(--color-off-white);
  border-radius: var(--radius);
  font-size: 0.85rem;
  color: var(--color-metal);
  border-left: 3px solid var(--color-accent);
}
.market-panel__updated {
  font-size: 0.8rem;
  color: var(--color-metal);
  margin-top: 0.75rem;
}
.market-panel__updated--live {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.market-panel__updated--live::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.25);
  animation: market-pulse 2s ease infinite;
}
@keyframes market-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}
.market-panel--loading {
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-metal);
}

/* --- Product filters --- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
  justify-content: center;
}
.filter-btn {
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--color-anthracite);
}
.filter-btn:hover,
.filter-btn.is-active {
  background: var(--color-navy);
  color: #fff;
  border-color: var(--color-navy);
}
.product-card.is-hidden {
  display: none;
}
.filter-empty {
  text-align: center;
  padding: 2rem;
  color: var(--color-metal);
  display: none;
}
.filter-empty.is-visible { display: block; }

/* --- Sector cards (icons) --- */
.sector-card .card__body {
  display: flex;
  flex-direction: column;
  height: 100%;
}
.sector-card__icon {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  flex-shrink: 0;
}
.sector-card__icon svg {
  width: 1.65rem;
  height: 1.65rem;
}
.sector-card__head {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 0.5rem;
}
.sector-card__head .sector-card__icon {
  margin-bottom: 0;
}
.sector-card__head .card__title {
  margin: 0;
}
.sector-card[data-sector="automotive"] .sector-card__icon {
  background: rgba(37, 99, 235, 0.12);
  color: #2563eb;
}
.sector-card[data-sector="packaging"] .sector-card__icon {
  background: rgba(5, 150, 105, 0.12);
  color: #059669;
}
.sector-card[data-sector="construction"] .sector-card__icon {
  background: rgba(180, 83, 9, 0.12);
  color: #b45309;
}
.sector-card[data-sector="defence"] .sector-card__icon {
  background: rgba(71, 85, 105, 0.14);
  color: #475569;
}
.sector-card[data-sector="aviation"] .sector-card__icon {
  background: rgba(2, 132, 199, 0.12);
  color: #0284c7;
}
.sector-card[data-sector="marine"] .sector-card__icon {
  background: rgba(13, 148, 136, 0.12);
  color: #0d9488;
}
.sector-card[data-sector="advertising"] .sector-card__icon {
  background: rgba(124, 58, 237, 0.12);
  color: #7c3aed;
}
.sector-card[data-sector="industrial"] .sector-card__icon {
  background: rgba(232, 93, 4, 0.14);
  color: var(--color-accent);
}
.sector-card .card__text {
  margin-bottom: 0;
  flex-grow: 1;
}

/* --- Sector picker --- */
.sector-picker {
  background: var(--color-off-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-top: 2rem;
}
.sector-picker__chips {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(7.5rem, 1fr));
  gap: 0.65rem;
  margin: 1.25rem 0 1rem;
}
.sector-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
  cursor: pointer;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-ink);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.sector-chip:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}
.sector-chip.is-active {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(232, 93, 4, 0.2);
  background: rgba(232, 93, 4, 0.06);
}
.sector-chip__icon {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-off-white);
  color: var(--color-accent);
}
.sector-chip__icon svg {
  width: 1.25rem;
  height: 1.25rem;
}
.sector-chip[data-sector="automotive"] .sector-chip__icon { background: rgba(37, 99, 235, 0.12); color: #2563eb; }
.sector-chip[data-sector="packaging"] .sector-chip__icon { background: rgba(5, 150, 105, 0.12); color: #059669; }
.sector-chip[data-sector="construction"] .sector-chip__icon { background: rgba(180, 83, 9, 0.12); color: #b45309; }
.sector-chip[data-sector="defence"] .sector-chip__icon { background: rgba(71, 85, 105, 0.14); color: #475569; }
.sector-chip[data-sector="aviation"] .sector-chip__icon { background: rgba(2, 132, 199, 0.12); color: #0284c7; }
.sector-chip[data-sector="marine"] .sector-chip__icon { background: rgba(13, 148, 136, 0.12); color: #0d9488; }
.sector-chip[data-sector="advertising"] .sector-chip__icon { background: rgba(124, 58, 237, 0.12); color: #7c3aed; }
.sector-chip[data-sector="industrial"] .sector-chip__icon { background: rgba(232, 93, 4, 0.14); color: var(--color-accent); }
.sector-chip__label {
  line-height: 1.2;
  text-align: center;
}
.sector-picker__select-wrap {
  margin: 0.5rem 0 1rem;
}
.sector-picker__select-wrap label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-metal);
  margin-bottom: 0.35rem;
}
.sector-picker__select {
  width: 100%;
  max-width: 400px;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font: inherit;
}
.sector-picker__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.5rem;
}
.sector-picker__list li {
  padding: 0.75rem 1rem;
  background: #fff;
  border-radius: var(--radius);
  border-left: 4px solid var(--color-accent);
  transition: transform var(--transition);
}
.sector-picker__list li:hover { transform: translateX(4px); }

/* --- Catalog enhanced --- */
.catalog-hero-card {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}
.catalog-pdf-preview {
  min-height: 280px;
  background: linear-gradient(145deg, var(--color-navy), var(--color-anthracite));
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-align: center;
  padding: 1.5rem;
}
.catalog-pdf-preview__icon {
  font-size: 4rem;
  margin-bottom: 0.5rem;
  opacity: 0.9;
}
.catalog-quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}
.catalog-quick-links a {
  padding: 0.4rem 0.75rem;
  background: var(--color-off-white);
  border-radius: var(--radius);
  font-size: 0.85rem;
  color: var(--color-navy);
  text-decoration: none;
  transition: background var(--transition);
}
.catalog-quick-links a:hover {
  background: rgba(232, 93, 4, 0.12);
  color: var(--color-accent);
}
.calc-quote-cta {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

/* --- Breadcrumb --- */
.breadcrumb {
  font-size: 0.85rem;
  margin-bottom: 1rem;
  opacity: 0.85;
}
.breadcrumb a { color: inherit; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .about-split { grid-template-columns: 1fr; }
  .calc-layout { grid-template-columns: 1fr; }
  .calc-result { position: static; }
}

@media (max-width: 900px) {
  .menu-toggle { display: flex; }
  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    transform: translateX(100%);
    transition: transform var(--transition);
    overflow-y: auto;
  }
  .site-nav.is-open { transform: translateX(0); }
  .site-nav__list { flex-direction: column; align-items: stretch; }
  .site-nav__dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding-left: 1rem;
    display: none;
  }
  .site-nav__item.is-open .site-nav__dropdown { display: block; }
  .site-nav__item:hover .site-nav__dropdown { display: none; }
  .site-nav__item.is-open:hover .site-nav__dropdown { display: block; }
  .header-actions .btn--cta { display: none; }
  .float-quote { display: inline-flex; align-items: center; }
  .contact-layout { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .section { padding: 3rem 0; }
  .hero-slider,
  .hero-slider__track { min-height: 420px; }
  .stats { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .calc-form .form-row { grid-template-columns: 1fr; }
  .hero-slide__actions { flex-direction: column; }
  .hero-slide__actions .btn { width: 100%; }
  .hero-slider__btn--prev { left: 0.5rem; }
  .hero-slider__btn--next { right: 0.5rem; }
  .hero-slide__content { padding: 4rem 0 5rem; }
  .catalog-hero-card { grid-template-columns: 1fr; }
  .market-panel__grid { grid-template-columns: 1fr 1fr; }
}