/* ============================================
   KAYADAŞ — Beton & Peyzaj Kurumsal Site
   ============================================ */

:root {
  /* Renk paleti */
  --color-primary: #0d3b4c;
  --color-primary-dark: #082832;
  --color-primary-light: #145a70;
  --color-accent: #c41e3a;
  --color-accent-gold: #b8860b;
  --color-text: #1a1a1a;
  --color-text-muted: #4a4a4a;
  --color-bg: #ffffff;
  --color-bg-alt: #f5f6f7;
  --color-bg-dark: #0d3b4c;
  --color-border: #e5e5e5;

  /* Tipografi — serif kullanılmıyor, tüm metin sans-serif */
  --font-sans: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing & layout */
  --container: min(1200px, 92vw);
  --section-padding: clamp(3.5rem, 7vw, 5.5rem);
  --header-height: 72px;

  /* Geçişler */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --transition: 0.35s var(--ease-out);
  --transition-fast: 0.2s var(--ease-out);

  /* Gölgeler */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
}

/* Reset & base */
*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
table, iframe, video, object { max-width: 100%; }
a { color: inherit; text-decoration: none; transition: color var(--transition-fast), opacity var(--transition-fast); }
ul { list-style: none; margin: 0; padding: 0; }

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

/* ========== HEADER ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition), box-shadow var(--transition);
}
.header.scrolled { box-shadow: var(--shadow-sm); }
.header__inner {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: inline-flex;
  align-items: baseline;
  gap: 0.15em;
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.02em;
}
.logo__primary { color: var(--color-primary); }
.logo__secondary { color: var(--color-text); }
.logo:hover .logo__primary { color: var(--color-primary-dark); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav__list {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.nav__item {
  position: relative;
}
.nav__item > a {
  display: inline-flex;
  align-items: center;
  gap: 0.25em;
  padding: 0.5rem 0.75rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
}
.nav__item > a:hover { color: var(--color-primary); }
.nav__arrow {
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  margin-left: 2px;
  opacity: 0.7;
}
.nav__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  padding: 0.5rem 0;
  background: var(--color-bg);
  border-radius: 8px;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: var(--transition);
}
.nav__item:hover .nav__dropdown,
.nav__item:focus-within .nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav__dropdown a {
  display: block;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}
.nav__dropdown a:hover { color: var(--color-primary); background: var(--color-bg-alt); }

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  text-align: left;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #1e4d5c 0%, #0d3b4c 50%, #082832 100%);
}
.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(13,59,76,0.92) 0%, rgba(13,59,76,0.6) 45%, transparent 70%);
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.15) 0%, transparent 50%, rgba(0,0,0,0.2) 100%);
}
.hero__content {
  position: relative;
  z-index: 2;
  padding: var(--header-height) clamp(2rem, 6vw, 4rem) 4rem;
  max-width: 560px;
}
.hero__label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent-gold);
  margin: 0 0 0.75rem;
  animation: fadeUp 0.8s var(--ease-out);
}
.hero__title {
  font-family: var(--font-sans);
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #fff;
  text-shadow: 0 2px 24px rgba(0,0,0,0.25);
  margin: 0 0 1rem;
  animation: fadeUp 0.8s var(--ease-out) 0.1s both;
}
.hero__subtitle {
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  color: rgba(255,255,255,0.88);
  line-height: 1.65;
  margin: 0 0 1.75rem;
  animation: fadeUp 0.8s var(--ease-out) 0.2s both;
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: flex-start;
  animation: fadeUp 0.8s var(--ease-out) 0.3s both;
}
.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: clamp(2rem, 6vw, 4rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.75);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.hero__scroll-icon {
  width: 22px;
  height: 22px;
  border: 2px solid currentColor;
  border-radius: 11px;
  animation: scrollBounce 2s ease-in-out infinite;
}
.hero__scroll-icon::after {
  content: "";
  position: absolute;
  top: 5px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 3px;
  background: currentColor;
  border-radius: 50%;
}

/* ========== STATS STRIP ========== */
.stats {
  background: var(--color-bg-dark);
  color: #fff;
  padding: clamp(1.5rem, 3vw, 2rem) 0;
  margin-top: -1px;
}
.stats__list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  text-align: center;
  align-items: center;
}
.stats__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem;
}
.stats__value {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1;
  color: #fff;
}
.stats__suffix {
  font-size: 1.25rem;
  color: var(--color-accent-gold);
  margin-left: -0.15em;
}
.stats__label {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 8px;
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}
.btn--primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn--primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn--outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.8);
}
.btn--outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: #fff;
}
.btn--light {
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
}
.btn--light:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary-dark);
  border-color: var(--color-bg-alt);
}

/* ========== SECTIONS COMMON ========== */
.section-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin: 0 0 0.5rem;
}
.section-label--center { text-align: center; }
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 2rem;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.section-title--center { text-align: center; }

/* ========== ABOUT ========== */
.about {
  padding: var(--section-padding) 0;
  background: var(--color-bg);
  position: relative;
}
.about::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-accent-gold) 100%);
  border-radius: 0 4px 4px 0;
}
.about .container { padding-left: 2.5rem; }
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 4vw, 3rem);
  align-items: start;
}
.about__col p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.75;
}
.about__col strong { color: var(--color-text); }

/* ========== PRODUCTS ========== */
.products {
  padding: var(--section-padding) 0;
  background: var(--color-bg-alt);
}
.products__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-inline: auto;
}
.product-card {
  background: var(--color-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  transition: var(--transition);
  color: var(--color-text);
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.product-card__image {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: linear-gradient(145deg, #e2e6ea 0%, #c8cdd4 100%);
}
.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease-out);
}
.product-card:hover .product-card__image img { transform: scale(1.05); }
.product-card__arrow {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translate(-8px, 8px);
  transition: var(--transition);
}
.product-card__arrow::after {
  content: "";
  width: 10px;
  height: 10px;
  border-right: 2px solid currentColor;
  border-top: 2px solid currentColor;
  transform: rotate(45deg);
  margin-left: -2px;
  margin-top: -2px;
}
.product-card:hover .product-card__arrow {
  opacity: 1;
  transform: translate(0, 0);
}
.product-card__title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
  padding: 1.25rem 1.25rem 1.5rem;
  line-height: 1.3;
}

/* ========== FEATURES ========== */
.features {
  padding: var(--section-padding) 0;
  background: var(--color-bg);
}
.features .section-title { margin-bottom: 2rem; }
.features__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
}
.feature {
  text-align: left;
  padding: 1.5rem 1.25rem;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  transition: var(--transition);
  position: relative;
}
.feature:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}
.feature__num {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-accent-gold);
  margin-bottom: 0.75rem;
}
.feature__icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
  color: var(--color-primary);
}
.feature__icon svg { width: 100%; height: 100%; }
.feature__title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.4rem;
  color: var(--color-text);
}
.feature__text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.5;
}

/* ========== CERTIFICATIONS ========== */
.certifications {
  padding: var(--section-padding) 0;
  background: var(--color-bg-alt);
}
.certifications__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.75rem 2rem;
  background: var(--color-bg);
  border-radius: 12px;
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}
.certifications__intro {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  font-weight: 500;
}
.certifications__badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}
.certifications__badge {
  padding: 0.5rem 1rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
}
.certifications__badge--highlight {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* ========== CTA STRIP ========== */
.cta-strip {
  background: var(--color-primary-light);
  color: #fff;
  padding: clamp(3rem, 6vw, 4.5rem) 0;
  border-bottom: 4px solid var(--color-bg-dark);
}
.cta-strip__inner {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
}
.cta-strip__title {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  font-weight: 700;
  margin: 0 0 0.5rem;
  line-height: 1.3;
}
.cta-strip__text {
  margin: 0 0 1.5rem;
  font-size: 0.95rem;
  opacity: 0.9;
}
.cta-strip__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
}
.cta-strip .btn--light { color: var(--color-primary); }
.cta-strip .btn--light:hover { color: var(--color-primary-dark); }
.cta-strip__social {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.cta-strip__social-label {
  font-size: 0.85rem;
  font-weight: 500;
  opacity: 0.9;
}
.cta-strip__social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  transition: var(--transition);
}
.cta-strip__social-link:hover {
  background: rgba(255,255,255,0.35);
  transform: translateY(-2px);
}
.cta-strip__social-link svg { width: 20px; height: 20px; }

/* ========== INNER PAGES (Hakkımızda, İletişim) ========== */
.page-hero {
  position: relative;
  padding: calc(var(--header-height) + 4rem) 0 3rem;
  background: var(--color-primary);
  color: #fff;
  overflow: hidden;
}
.page-hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 50%, var(--color-primary-dark) 100%);
  opacity: 0.95;
}
.page-hero--with-image .page-hero__bg {
  background: var(--color-primary-dark);
  opacity: 1;
}
.page-hero--with-image .page-hero__bg img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
}
.page-hero--with-image .page-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13,59,76,0.75) 0%, rgba(13,59,76,0.9) 100%);
}
.page-hero .container {
  position: relative;
  z-index: 1;
}

.breadcrumb {
  margin-bottom: 1rem;
}
.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.875rem;
}
.breadcrumb__item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.85);
}
.breadcrumb__item:not(:last-child)::after {
  content: "/";
  color: rgba(255,255,255,0.5);
  font-weight: 400;
}
.breadcrumb__item a {
  color: rgba(255,255,255,0.9);
}
.breadcrumb__item a:hover {
  color: #fff;
  text-decoration: underline;
}
.breadcrumb__item[aria-current="page"] {
  color: #fff;
  font-weight: 600;
}

.page-hero__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin: 0 0 0.5rem;
  line-height: 1.2;
}
.page-hero__subtitle {
  margin: 0;
  font-size: 1.05rem;
  opacity: 0.9;
}

.page-content {
  padding: var(--section-padding) 0;
  background: var(--color-bg);
}
.page-content__main {
  max-width: 720px;
}
.page-content__visual {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 2.5rem;
  align-items: start;
  margin-bottom: 2.5rem;
}
.page-content__image {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: var(--color-bg-alt);
}
.page-content__image img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 3/2;
  object-fit: cover;
}
.page-content__visual .page-content__main {
  max-width: none;
}
.page-content__heading {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 2rem 0 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-border);
}
.page-content__heading:first-child { margin-top: 0; }
.page-content__main p,
.page-content p {
  margin: 0 0 1rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}
.page-content__list {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}
.page-content__list li { margin-bottom: 0.5rem; }

.page-content__lead {
  max-width: 640px;
  margin: 0 0 2rem;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-text-muted);
  line-height: 1.65;
}
.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 0.75rem;
}
.values-grid__item {
  padding: 1.25rem;
  background: var(--color-bg-alt);
  border-radius: 10px;
  border: 1px solid var(--color-border);
}
.values-grid__title {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.35rem;
}
.values-grid__item p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Contact page */
.page-content--contact {
  background: var(--color-bg-alt);
}
.contact-intro {
  max-width: 100%;
  margin: 0 0 2rem;
  padding: 1.25rem 1.5rem;
  background: var(--color-bg);
  border-radius: 10px;
  border-left: 4px solid var(--color-primary);
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}
.contact-intro__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 0.35rem;
}
.contact-intro__text {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}
.contact-layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 2rem;
  align-items: start;
}
.contact-card {
  background: var(--color-bg);
  border-radius: 12px;
  padding: 1.75rem 1.5rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  border: 1px solid var(--color-border);
  position: sticky;
  top: calc(var(--header-height) + 1.5rem);
}
.contact-card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--color-primary);
}
.contact-card__list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
}
.contact-card__item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.25rem;
  align-items: flex-start;
}
.contact-card__item:last-of-type { margin-bottom: 0; }
.contact-card__icon {
  font-size: 1.25rem;
  line-height: 1;
  flex-shrink: 0;
}
.contact-card__label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}
.contact-card__text {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.5;
}
.contact-card__text a {
  color: var(--color-text);
}
.contact-card__text a:hover {
  color: var(--color-primary);
}
.contact-card__btn {
  width: 100%;
  justify-content: center;
  margin-top: 0.5rem;
}

.contact-form-card {
  background: var(--color-bg);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  border: 1px solid var(--color-border);
}
.contact-form-card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 1.25rem;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.contact-form__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.contact-form__row {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.contact-form__label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
}
.contact-form__label span { color: var(--color-accent); }
.contact-form__input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.contact-form__input::placeholder {
  color: var(--color-text-muted);
  opacity: 0.7;
}
.contact-form__input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(13, 59, 76, 0.12);
}
.contact-form__textarea {
  resize: vertical;
  min-height: 140px;
}
.contact-form__select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%234a4a4a' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.25rem;
}
.contact-form__submit {
  padding: 0.9rem 2rem;
  font-size: 1rem;
}

.contact-map {
  margin-top: 2.5rem;
}
.contact-map__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 1rem;
}
.contact-map__embed {
  position: relative;
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}
.contact-map__embed::before {
  content: "";
  display: block;
  padding-bottom: 75%;
}
.contact-map__embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.contact-map__placeholder {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 3rem 2rem;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-map__placeholder p { margin: 0; }

/* ========== ÜRÜN KATEGORİ & ÜRÜN DETAY ========== */
.category-bar {
  padding: calc(var(--header-height) + 1.5rem) 0 1.25rem;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}
.category-bar .breadcrumb {
  margin-bottom: 1rem;
  padding-bottom: 0;
}
.category-bar .breadcrumb__list {
  font-size: 0.875rem;
  letter-spacing: 0.01em;
}
.category-bar .breadcrumb__item {
  color: var(--color-text-muted);
}
.category-bar .breadcrumb__item::after {
  margin-inline: 0.5rem;
  color: var(--color-border);
  font-weight: 400;
}
.category-bar .breadcrumb__item a {
  color: var(--color-primary);
  font-weight: 500;
}
.category-bar .breadcrumb__item a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}
.category-bar .breadcrumb__item[aria-current="page"] {
  color: var(--color-text);
  font-weight: 600;
}
.category-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin: 0;
  padding-top: 1.25rem;
  margin-top: 1rem;
  border-top: 1px solid var(--color-border);
}
.category-nav__link {
  display: inline-block;
  padding: 0.65rem 1.1rem;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-primary);
  background: var(--color-bg);
  border: 1.5px solid var(--color-primary);
  border-radius: 8px;
  transition: var(--transition);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
  text-align: center;
}
.category-nav__link:hover {
  background: rgba(13, 59, 76, 0.06);
  border-color: var(--color-primary-dark);
  color: var(--color-primary-dark);
  box-shadow: 0 2px 6px rgba(13, 59, 76, 0.1);
}
.category-nav__link--active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  box-shadow: 0 2px 8px rgba(13, 59, 76, 0.2);
}
.category-nav__link--active:hover {
  background: var(--color-primary-dark);
  color: #fff;
  border-color: var(--color-primary-dark);
  box-shadow: 0 3px 10px rgba(13, 59, 76, 0.25);
}

.category-content {
  padding: var(--section-padding) 0;
  background: var(--color-bg-alt);
}
.category-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 1.5rem;
}
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}
.category-card {
  background: var(--color-bg);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: var(--transition);
  color: var(--color-text);
  display: flex;
  flex-direction: column;
}
.category-card:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}
.category-card__image {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--color-bg-alt);
}
.category-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--ease-out);
}
.category-card:hover .category-card__image img {
  transform: scale(1.05);
}
.category-card__arrow {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}
.category-card__arrow::after {
  content: "";
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-top: 2px solid currentColor;
  transform: rotate(45deg);
  margin-left: -2px;
  margin-top: -2px;
}
.category-card:hover .category-card__arrow {
  opacity: 1;
}
.category-card__name {
  display: block;
  padding: 1rem;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.3;
}
.category-about {
  background: var(--color-bg);
  padding: 1.5rem 1.75rem;
  border-radius: 12px;
  border: 1px solid var(--color-border);
}
.category-about__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 0.75rem;
}
.category-about p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* Ürün detay */
.product-detail {
  padding: var(--section-padding) 0;
  background: var(--color-bg);
}
.product-detail__title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 1.5rem;
}
.product-detail__main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
  margin-bottom: 2.5rem;
}
.product-detail__gallery {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1rem;
}
.product-detail__thumb {
  border-radius: 8px;
  overflow: hidden;
  background: var(--color-bg-alt);
}
.product-detail__thumb img {
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: cover;
}
.product-detail__hero {
  border-radius: 10px;
  overflow: hidden;
  background: var(--color-bg-alt);
}
.product-detail__hero img {
  width: 100%;
  height: auto;
  aspect-ratio: 3/2;
  object-fit: cover;
}
.product-detail__desc p {
  margin: 0;
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.product-tabs {
  margin-top: 2rem;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--color-bg);
}
.product-tabs__head {
  display: flex;
  border-bottom: 1px solid var(--color-border);
}
.product-tabs__tab {
  flex: 1;
  padding: 1rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-sans);
}
.product-tabs__tab:hover {
  color: var(--color-text);
}
.product-tabs__tab--active {
  color: var(--color-primary);
  background: var(--color-bg);
  border-bottom: 2px solid var(--color-primary);
  margin-bottom: -1px;
}
.product-tabs__panel {
  padding: 1.5rem 1.75rem;
}
.product-tabs__panel-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 1rem;
}
.texture-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 1rem;
}
.texture-grid__item {
  text-align: center;
}
.texture-grid__item img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  margin-bottom: 0.5rem;
}
.texture-grid__item span {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  display: block;
  line-height: 1.3;
}
.product-specs__list {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem 1.5rem;
  margin: 0;
}
.product-specs__list dt {
  font-weight: 600;
  color: var(--color-text);
}
.product-specs__list dd {
  margin: 0;
  color: var(--color-text-muted);
}

/* ========== FOOTER ========== */
.footer {
  background: var(--color-bg-dark);
  color: rgba(255,255,255,0.85);
  padding: var(--section-padding) 0 2rem;
  position: relative;
}
.footer .logo__primary { color: #fff; }
.footer__top { margin-bottom: 2rem; }
.footer__logo .logo__primary { color: #fff; }
.footer__logo .logo__secondary { color: rgba(255,255,255,0.8); }
.footer__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem 3rem;
}
.footer__title {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #fff;
  margin: 0 0 1rem;
}
.footer__links a,
.footer__contact a {
  color: rgba(255,255,255,0.75);
}
.footer__links a:hover,
.footer__contact a:hover { color: #fff; }
.footer__links li + li,
.footer__contact li + li { margin-top: 0.5rem; }
.footer__contact { font-size: 0.95rem; }
.footer__bottom {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
}
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 56px;
  height: 56px;
  background: #25d366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 999;
  transition: var(--transition);
}
.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.45);
}
.whatsapp-float svg { width: 28px; height: 28px; }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .stats__list { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .products__grid { grid-template-columns: repeat(2, 1fr); }
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .certifications__bar { flex-direction: column; text-align: center; gap: 1rem; }
  .cta-strip__actions { flex-direction: column; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .product-detail__main { grid-template-columns: 1fr; }
  .product-detail__gallery { grid-template-columns: 1fr; gap: 0.75rem; }
  .product-detail__thumb { display: none; }
  .product-detail__hero img { aspect-ratio: 4/3; }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-card { position: static; }
  .page-hero { padding: calc(var(--header-height) + 2.5rem) 0 2rem; }
  .page-content__visual { grid-template-columns: 1fr; gap: 1.5rem; }
  .page-content__visual .page-content__image { max-width: 100%; }
  .footer__grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem 2rem; }
}

@media (max-width: 768px) {
  .header__inner { padding-inline: 1rem; }
  .logo { font-size: 1.15rem; }
  .nav-toggle { display: flex; min-width: 44px; min-height: 44px; }
  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.35s var(--ease-out), opacity 0.25s;
  }
  .nav.is-open {
    max-height: 80vh;
    overflow-y: auto;
    opacity: 1;
  }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0.25rem; }
  .nav__item > a { padding: 0.75rem 1rem; min-height: 44px; align-items: center; }
  .nav__item--dropdown .nav__dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background: var(--color-bg-alt);
    margin-top: 0.25rem;
    margin-left: 0.5rem;
    max-height: 0;
    overflow: hidden;
    padding: 0;
    transition: max-height 0.3s;
  }
  .nav__item--dropdown.is-open .nav__dropdown {
    max-height: 300px;
    padding: 0.5rem 0;
  }
  .hero { justify-content: center; text-align: center; }
  .hero__content {
    max-width: 100%;
    padding: var(--header-height) clamp(1rem, 4vw, 2rem) 3rem;
  }
  .hero__cta { justify-content: center; }
  .hero__scroll { left: 50%; transform: translateX(-50%); }
  .page-hero { padding: calc(var(--header-height) + 1.75rem) 0 1.5rem; }
  .page-hero__title { font-size: clamp(1.4rem, 5vw, 1.75rem); }
  .about::before { display: none; }
  .about .container { padding-left: clamp(1rem, 4vw, 2rem); }
  .about__grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .stats__list { grid-template-columns: 1fr; gap: 1rem; }
  .products__grid { grid-template-columns: 1fr; }
  .features__grid { grid-template-columns: 1fr; }
  .certifications__bar { padding: 1.25rem 1rem; }
  .certifications__badges { justify-content: center; }
  .cta-strip { padding: 2.5rem 1rem; }
  .cta-strip__actions { gap: 1rem; }
  .contact-layout { gap: 1.5rem; }
  .contact-form__grid { grid-template-columns: 1fr; }
  .contact-form-card { padding: 1.5rem; }
  .contact-intro { margin-bottom: 1.5rem; padding: 1rem 1.25rem; }
  .contact-map__embed { min-height: 260px; }
  .contact-map__embed iframe { min-height: 260px; }
  .values-grid { grid-template-columns: 1fr; }
  .page-content__visual { gap: 1.25rem; }
  .page-content__lead { font-size: 1rem; }
  .category-bar { padding: calc(var(--header-height) + 1rem) 0 1rem; }
  .category-nav {
    padding-top: 1rem;
    margin-top: 0.75rem;
    gap: 0.4rem;
  }
  .category-nav__link { font-size: 0.8rem; padding: 0.55rem 0.7rem; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; }
  .category-grid { grid-template-columns: 1fr; gap: 1rem; }
  .category-title { font-size: 1.5rem; margin-bottom: 1.25rem; }
  .category-about { padding: 1.25rem 1rem; }
  .product-detail { padding: 2rem 0; }
  .product-detail__title { font-size: 1.5rem; margin-bottom: 1.25rem; }
  .product-detail__main { gap: 1.5rem; margin-bottom: 2rem; }
  .product-tabs__head { flex-wrap: wrap; gap: 0.25rem; }
  .product-tabs__tab { min-width: 120px; padding: 0.85rem 1rem; font-size: 0.875rem; }
  .product-tabs__panel { padding: 1.25rem 1rem; }
  .texture-grid { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
  .texture-grid__item span { font-size: 0.75rem; }
  .product-specs__list { grid-template-columns: 1fr; gap: 0.25rem 0; }
  .product-specs__list dt { margin-top: 0.75rem; }
  .product-specs__list dt:first-child { margin-top: 0; }
  .footer__grid { grid-template-columns: 1fr; gap: 1.5rem; text-align: center; }
  .footer__contact { text-align: center; }
}

@media (max-width: 480px) {
  .container { padding-inline: 1rem; }
  .hero__content { padding: var(--header-height) 1rem 2.5rem; }
  .hero__title { font-size: clamp(1.35rem, 6vw, 1.6rem); }
  .hero__subtitle { font-size: 0.9rem; margin-bottom: 1.5rem; }
  .hero__cta { flex-direction: column; gap: 0.75rem; }
  .hero__scroll { bottom: 1.25rem; font-size: 0.7rem; }
  .stats { padding: 1.25rem 0; }
  .stats__value { font-size: 1.5rem; }
  .stats__suffix { font-size: 1rem; }
  .section-title { font-size: 1.5rem; margin-bottom: 1.5rem; }
  .about__col p { font-size: 1rem; }
  .product-card__title { padding: 1rem; font-size: 0.95rem; }
  .feature { padding: 1.25rem 1rem; }
  .feature__icon { width: 40px; height: 40px; }
  .certifications__bar { padding: 1rem; }
  .cta-strip { padding: 2rem 1rem; }
  .cta-strip__title { font-size: 1.25rem; }
  .btn { padding: 0.75rem 1.25rem; font-size: 0.9rem; min-height: 44px; }
  .btn--primary:hover { transform: none; }
  .page-hero { padding: calc(var(--header-height) + 1.25rem) 0 1.25rem; }
  .page-hero__title { font-size: 1.35rem; }
  .page-hero__subtitle { font-size: 0.9rem; }
  .page-content { padding: 2rem 0; }
  .contact-form-card { padding: 1.25rem; }
  .contact-card { padding: 1.25rem 1rem; }
  .category-bar { padding: calc(var(--header-height) + 0.75rem) 0 0.75rem; }
  .category-content { padding: 1.5rem 0; }
  .category-title { font-size: 1.35rem; }
  .category-card__name { padding: 0.875rem 1rem; font-size: 0.9rem; }
  .product-detail { padding: 1.5rem 0; }
  .product-detail__title { font-size: 1.3rem; }
  .product-tabs__tab { min-width: 0; flex: 1 1 auto; }
  .footer { padding: 2rem 0 1.25rem; }
  .footer__top { margin-bottom: 1.5rem; }
  .footer__bottom { margin-top: 1.5rem; padding-top: 1.25rem; font-size: 0.8rem; }
  .whatsapp-float {
    bottom: 1rem;
    right: 1rem;
    width: 52px;
    height: 52px;
  }
  .whatsapp-float svg { width: 26px; height: 26px; }
}