/* Erdem Cam Balkon — kurumsal tema (logo paleti: bordo + canlı kırmızı) */
:root {
  /* Ana metin “ERDEM” tonu — koyu bordo */
  --color-primary: #651923;
  --color-primary-dark: #451016;
  /* Alt başlık / vurgu — canlı kırmızı */
  --color-accent: #dc2638;
  --color-accent-hover: #c41f30;
  --color-overlay-rgb: 69, 16, 22;
  --color-text: #2a181a;
  --color-text-muted: #5c4a4d;
  --color-bg: #fff;
  --color-bg-alt: #faf6f7;
  --color-border: #efe5e7;
  --font-sans: "Segoe UI", system-ui, -apple-system, sans-serif;
  --shadow-sm: 0 2px 8px rgba(69, 16, 22, 0.08);
  --radius: 4px;
  --header-height: 120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  position: fixed;
  left: 12px;
  top: 12px;
  z-index: 9999;
  padding: 10px 16px;
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
  clip: auto;
  width: auto;
  height: auto;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

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

.container {
  width: min(1140px, 100% - 32px);
  margin-inline: auto;
}

/* Üst bar */
.top-bar {
  background: var(--color-primary-dark);
  color: #fdeef0;
  font-size: 13px;
  padding: 8px 0;
}
.top-bar .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
}
.top-bar a {
  color: #fff;
}
.top-bar__phones {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
}

/* Header */
.site-header {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: saturate(130%) blur(4px);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  gap: 16px;
}

.logo {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-primary);
  line-height: 1.25;
}
.logo span {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.02em;
}

.logo__mark {
  width: 280px;
  height: 66px;
  object-fit: contain;
  object-position: center;
  display: block;
  border-radius: 0;
}
.logo--brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}
.logo--brand:hover {
  text-decoration: none;
}

.nav-toggle {
  display: none;
  background: var(--color-primary);
  color: #fff;
  border: 0;
  padding: 10px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 14px;
}

.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 8px;
}
.main-nav > ul > li {
  position: relative;
}
.main-nav a {
  display: block;
  padding: 10px 12px;
  color: var(--color-text);
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
}
.main-nav a:hover,
.main-nav li:hover > a {
  color: var(--color-primary);
}

.main-nav .sub {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  border-radius: var(--radius);
  padding: 8px 0;
  z-index: 50;
}
.main-nav li:hover .sub {
  display: block;
}
.main-nav .sub a {
  padding: 8px 16px;
  font-weight: 500;
}

.submenu-toggle {
  display: none;
}

/* Hero slider */
.hero {
  position: relative;
  background: var(--color-primary-dark);
  color: #fff;
  overflow: hidden;
}
.hero__slides {
  position: relative;
  min-height: 380px;
}
@media (min-width: 768px) {
  .hero__slides {
    min-height: 420px;
  }
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.6s ease;
  display: flex;
  align-items: center;
  padding: 48px 0;
  background-size: cover;
  background-position: center;
}
.hero-slide.is-active {
  opacity: 1;
  z-index: 1;
}
.hero-slide::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(var(--color-overlay-rgb), 0.93) 0%,
    rgba(var(--color-overlay-rgb), 0.58) 52%,
    transparent 100%
  );
  z-index: 0;
}
.hero-slide .container {
  position: relative;
  z-index: 1;
}
.hero-slide h1 {
  margin: 0 0 8px;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
}
.hero-slide h2 {
  margin: 0 0 16px;
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 600;
  opacity: 0.95;
  color: var(--color-accent);
}
.hero-slide p {
  max-width: 520px;
  margin: 0 0 20px;
  opacity: 0.92;
  font-size: 15px;
}
.btn {
  display: inline-block;
  padding: 12px 24px;
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
  border-radius: var(--radius);
  text-decoration: none;
  border: 0;
  cursor: pointer;
  font-size: 15px;
}
.btn:hover {
  background: var(--color-accent-hover);
  filter: brightness(1.02);
  text-decoration: none;
}
.btn--outline {
  background: transparent;
  color: #fff;
  border: 2px solid #fff;
}
.btn--ghost {
  background: #fff;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn--ghost:hover {
  background: var(--color-bg-alt);
}
.hero__dots {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 2;
}
.hero__dots button {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid #fff;
  background: transparent;
  cursor: pointer;
  padding: 0;
}
.hero__dots button.is-active {
  background: #fff;
}

/* Bölüm başlıkları */
.section {
  padding: 56px 0;
}
.section--alt {
  background: var(--color-bg-alt);
}
.section__title {
  text-align: center;
  margin: 0 0 8px;
  font-size: clamp(1.5rem, 3vw, 1.75rem);
  color: var(--color-primary);
}
.section__lead {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 40px;
  color: var(--color-text-muted);
  font-size: 15px;
}

/* Hizmet grid */
.grid-services {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.card-service {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: box-shadow 0.2s, transform 0.2s;
}
.card-service:hover {
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}
.card-service__img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  width: 100%;
}
.card-service__body {
  padding: 20px;
}
.card-service h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  color: var(--color-primary);
}
.card-service p {
  margin: 0;
  font-size: 14px;
  color: var(--color-text-muted);
}
.card-service a.more {
  display: inline-block;
  margin-top: 12px;
  font-weight: 600;
  font-size: 14px;
}

/* Anasayfa profesyonel hizmet vitrin */
.services-pro {
  background: linear-gradient(180deg, #fff 0%, #fdf8f9 100%);
}
.services-pro__head {
  text-align: center;
  margin-bottom: 26px;
}
.services-pro__head p {
  margin: 10px auto 0;
  max-width: 760px;
  color: var(--color-text-muted);
}
.service-highlight-grid {
  display: grid;
  gap: 18px;
  margin-bottom: 22px;
}
@media (min-width: 900px) {
  .service-highlight-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.service-highlight {
  border: 1px solid var(--color-border);
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 8px 24px rgba(69, 16, 22, 0.08);
}
.service-highlight img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  display: block;
}
.service-highlight__body {
  padding: 16px 16px 18px;
}
.service-highlight h3 {
  margin: 0 0 8px;
  color: var(--color-primary);
}
.service-highlight p {
  margin: 0 0 10px;
  font-size: 14px;
  color: var(--color-text-muted);
}
.service-highlight a {
  font-weight: 700;
  font-size: 14px;
}

.service-compact-grid {
  display: grid;
  gap: 12px;
}
@media (min-width: 760px) {
  .service-compact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 1080px) {
  .service-compact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.service-compact-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.service-compact-card strong {
  font-size: 14px;
  color: var(--color-text);
}
.service-compact-card a {
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

/* Hakkımızda */
.about-block {
  display: grid;
  gap: 32px;
  align-items: start;
}
@media (min-width: 900px) {
  .about-block {
    grid-template-columns: 1fr 1fr;
  }
}
.about-block p {
  margin: 0 0 16px;
  color: var(--color-text-muted);
}

/* Galeri */
.grid-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}
.grid-gallery a {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius);
}
.grid-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s;
}
.grid-gallery a:hover img {
  transform: scale(1.06);
}
.grid-gallery span {
  position: absolute;
  inset: auto 0 0 0;
  padding: 10px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.75));
  color: #fff;
  font-size: 13px;
  font-weight: 600;
}

.grid-gallery--hub {
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.grid-gallery--hub a {
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  text-decoration: none;
}
.grid-gallery--hub a:hover {
  text-decoration: none;
}
.grid-gallery--hub span small {
  display: block;
  font-weight: 500;
  font-size: 12px;
  opacity: 0.9;
  margin-top: 4px;
}

.grid-gallery--detail {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.grid-gallery--detail figure {
  margin: 0;
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: #f3ecee;
}
.grid-gallery--detail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.breadcrumb {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}
.breadcrumb a {
  color: var(--color-primary);
}

/* FAQ */
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 10px;
  background: #fff;
}
.faq-item summary {
  padding: 16px 20px;
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item[open] summary {
  border-bottom: 1px solid var(--color-border);
}
.faq-item .faq-body {
  padding: 16px 20px;
  font-size: 14px;
  color: var(--color-text-muted);
}

/* Blog özet */
.grid-blog {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.card-blog {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.card-blog:hover {
  box-shadow: 0 10px 30px rgba(69, 16, 22, 0.12);
  transform: translateY(-2px);
}
.card-blog__img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
  width: 100%;
}
.card-blog__body {
  padding: 20px;
}
.card-blog time {
  font-size: 12px;
  color: var(--color-text-muted);
}
.card-blog h3 {
  margin: 8px 0 0;
  font-size: 1.05rem;
}

/* Teklif / iletişim */
.contact-split {
  display: grid;
  gap: 32px;
}
@media (min-width: 900px) {
  .contact-split {
    grid-template-columns: 1fr 1fr;
  }
}
.form-group {
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: 14px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 15px;
}
.form-group textarea {
  min-height: 120px;
  resize: vertical;
}
.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--color-text-muted);
}
.checkbox-row input {
  margin-top: 4px;
}

/* Footer */
.site-footer {
  background: linear-gradient(180deg, #4a1620 0%, var(--color-primary-dark) 55%, #2a0c11 100%);
  color: #e8d6d9;
  padding: 48px 0 24px;
  font-size: 14px;
}
.site-footer a {
  color: #fdeef0;
}
.site-footer__grid {
  display: grid;
  gap: 32px;
  margin-bottom: 32px;
}
@media (min-width: 768px) {
  .site-footer__grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}
.site-footer h4 {
  color: #fff;
  margin: 0 0 16px;
  font-size: 15px;
}
.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-footer li {
  margin-bottom: 8px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 20px;
  text-align: center;
  font-size: 13px;
}

/* Sabit WhatsApp butonu */
.whatsapp-fab {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 140;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 50px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: #25d366;
  color: #fff;
  text-decoration: none;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.24);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.whatsapp-fab:hover {
  background: #20bc5c;
  text-decoration: none;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.25);
}
.whatsapp-fab__icon {
  width: 24px;
  height: 24px;
  display: inline-flex;
}
.whatsapp-fab__text {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1;
}

/* Sayfa hero (alt sayfalar) */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  padding: 40px 0 36px;
  text-align: center;
}
.page-hero h1 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2rem);
}
.page-hero p {
  margin: 8px 0 0;
  opacity: 0.9;
}

/* Hizmet sayfaları */
.service-layout {
  display: grid;
  gap: 28px;
}
@media (min-width: 980px) {
  .service-layout {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }
}
.service-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 24px;
}
.service-card h2 {
  margin: 0 0 12px;
  color: var(--color-primary);
}
.service-card p {
  margin: 0 0 14px;
  color: var(--color-text-muted);
}
.service-points {
  margin: 0;
  padding-left: 18px;
}
.service-points li {
  margin-bottom: 8px;
  color: var(--color-text);
}
.service-media {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.service-media img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}
.service-cta {
  margin-top: 14px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* Masaüstü iyileştirmeleri */
@media (min-width: 992px) {
  .container {
    width: min(1220px, 100% - 48px);
  }

  .top-bar {
    font-size: 14px;
    padding: 10px 0;
  }

  .site-header .container {
    padding: 14px 0;
  }

  .logo__mark {
    width: 340px;
    height: 80px;
  }

  .main-nav > ul {
    gap: 2px 14px;
  }

  .main-nav > ul > li > a {
    padding: 12px 4px;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.01em;
    position: relative;
  }

  .main-nav > ul > li > a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 4px;
    height: 2px;
    background: var(--color-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.2s ease;
  }

  .main-nav > ul > li:hover > a::after {
    transform: scaleX(1);
  }

  .main-nav .sub {
    min-width: 280px;
    padding: 10px;
    border-radius: 10px;
    border: 1px solid var(--color-border);
    box-shadow: 0 18px 36px rgba(69, 16, 22, 0.16);
  }

  .main-nav .sub a {
    border-radius: 8px;
    padding: 9px 12px;
  }

  .main-nav .sub a:hover {
    background: #faf3f5;
  }

  .hero__slides {
    min-height: 520px;
  }

  .hero-slide {
    padding: 64px 0;
  }

  .hero-slide h1 {
    font-size: clamp(2.2rem, 3.4vw, 3rem);
  }

  .hero-slide p {
    max-width: 620px;
    font-size: 16px;
  }

  .section {
    padding: 72px 0;
  }

  .services-pro__head {
    margin-bottom: 32px;
  }

  .service-highlight img {
    height: 230px;
  }

  .card-blog__body {
    padding: 22px;
  }
}

/* Mobil menü */
@media (max-width: 991px) {
  .nav-toggle {
    display: block;
    margin-left: auto;
    border-radius: 999px;
    padding: 9px 16px;
    font-weight: 700;
  }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 10px;
    right: 10px;
    margin-top: 8px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.16);
    max-height: calc(100vh - 80px);
    overflow-y: auto;
    padding: 8px;
  }
  .main-nav.is-open {
    display: block;
  }
  .site-header {
    position: relative;
  }
  .site-header .container {
    flex-wrap: wrap;
  }
  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    padding: 0;
  }
  .main-nav > ul > li {
    border: 1px solid var(--color-border);
    border-radius: 10px;
    background: #fff;
    margin-bottom: 8px;
    position: relative;
  }
  .main-nav > ul > li:last-child {
    margin-bottom: 0;
  }
  .main-nav > ul > li > a {
    padding: 13px 44px 13px 14px;
    font-size: 15px;
    font-weight: 700;
    color: var(--color-primary-dark);
  }
  .submenu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    right: 8px;
    top: 7px;
    width: 30px;
    height: 30px;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    background: #fff;
    color: var(--color-primary);
    font-size: 16px;
    cursor: pointer;
    line-height: 1;
  }
  .main-nav > ul > li.is-expanded > .submenu-toggle {
    transform: rotate(180deg);
  }
  .main-nav .sub {
    display: none;
    position: static;
    box-shadow: none;
    padding: 0 10px 10px;
    border-radius: 0;
    border-top: 1px dashed var(--color-border);
    margin: 0 10px 8px;
    background: #fff;
  }
  .main-nav > ul > li.is-expanded > .sub {
    display: block;
  }
  .main-nav .sub a {
    padding: 9px 0;
    font-size: 14px;
    color: var(--color-text);
    font-weight: 600;
  }

  .logo__mark {
    width: 220px;
    height: 54px;
  }

  .whatsapp-fab {
    right: 12px;
    bottom: 12px;
    width: 54px;
    height: 54px;
    min-height: 54px;
    padding: 0;
    justify-content: center;
  }
  .whatsapp-fab__text {
    display: none;
  }
}