/* =========================================================
   Yıldırımlar İnşaat - Main Stylesheet
   Modern, responsive construction company website
   ========================================================= */

:root {
  --color-primary: #ff6b1a;
  --color-primary-dark: #e55a0e;
  --color-primary-light: #ff8a3d;
  --color-dark: #0a1628;
  --color-dark-2: #0f1e36;
  --color-dark-3: #152a47;
  --color-light: #ffffff;
  --color-soft: #f7f9fc;
  --color-soft-2: #eef2f7;
  --color-text: #1e293b;
  --color-text-soft: #475569;
  --color-muted: #64748b;
  --color-border: #e2e8f0;

  --gradient-primary: linear-gradient(135deg, #ff6b1a 0%, #ff8a3d 100%);
  --gradient-dark: linear-gradient(135deg, #0a1628 0%, #152a47 100%);
  --gradient-overlay: linear-gradient(180deg, rgba(10, 22, 40, 0.5) 0%, rgba(10, 22, 40, 0.85) 100%);

  --shadow-sm: 0 2px 8px rgba(10, 22, 40, 0.06);
  --shadow-md: 0 6px 24px rgba(10, 22, 40, 0.08);
  --shadow-lg: 0 16px 48px rgba(10, 22, 40, 0.12);
  --shadow-xl: 0 24px 64px rgba(10, 22, 40, 0.18);
  --shadow-primary: 0 10px 30px rgba(255, 107, 26, 0.35);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --container-max: 1240px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);

  --font-head: 'Playfair Display', 'Georgia', serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-light);
  overflow-x: hidden;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-dark);
  letter-spacing: -0.02em;
}

section {
  position: relative;
}

/* ---------- Utility ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 24px);
}

.section {
  padding: 100px 0;
}

.section-sm {
  padding: 70px 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-primary);
  margin-bottom: 18px;
}

.eyebrow::before {
  content: '';
  width: 30px;
  height: 2px;
  background: var(--color-primary);
}

.section-title {
  font-size: clamp(2rem, 3.2vw, 3rem);
  margin-bottom: 18px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-soft);
  max-width: 680px;
  margin-bottom: 20px;
}

.text-center {
  text-align: center;
}

.text-center .eyebrow,
.text-center .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(255, 107, 26, 0.5);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
  background: #fff;
  color: var(--color-dark);
  border-color: #fff;
}

.btn-dark {
  background: var(--color-dark);
  color: #fff;
}

.btn-dark:hover {
  background: var(--color-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--color-dark);
  border-color: var(--color-border);
}

.btn-ghost:hover {
  background: var(--color-dark);
  color: #fff;
  border-color: var(--color-dark);
}

.btn i, .btn svg {
  font-size: 0.9em;
  transition: transform var(--transition);
}

.btn:hover i.fa-arrow-right {
  transform: translateX(4px);
}

/* ---------- Top Bar ---------- */
.topbar {
  background: var(--color-dark);
  color: #cbd5e1;
  font-size: 13.5px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.topbar-info {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.topbar-info a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #cbd5e1;
}

.topbar-info a:hover {
  color: var(--color-primary);
}

.topbar-info i {
  color: var(--color-primary);
}

.topbar-social {
  display: flex;
  gap: 14px;
}

.topbar-social a {
  color: #cbd5e1;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--transition);
}

.topbar-social a:hover {
  background: var(--color-primary);
  color: #fff;
}

/* ---------- Header / Navigation ---------- */
.header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding-top: env(safe-area-inset-top, 0px);
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* Kare logo — header'da yeterli okunabilirlik için yüksekliği arttırdık. */
.logo-img {
  display: block;
  height: 52px;
  width: 52px;
  max-width: 52px;
  object-fit: contain;
}

.footer-about .logo-img {
  height: 72px;
  width: 72px;
  max-width: 72px;
}

.logo-mark {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 20px;
  box-shadow: var(--shadow-primary);
  font-family: var(--font-body);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-text .name {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-dark);
}

.logo-text .tag {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Mobil menüdeki CTA, masaüstünde zaten sağ üstte Teklif Al var → gizli */
.nav-menu .mobile-cta { display: none; }

.nav-menu a {
  position: relative;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-full);
}

.nav-menu a::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 4px;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--color-primary);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 24px;
}

.nav-menu .has-drop {
  position: relative;
}

.nav-menu .drop {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  min-width: 260px;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 10px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  border: 1px solid var(--color-border);
}

.nav-menu .drop::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 12px;
  height: 12px;
  background: #fff;
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

.nav-menu .has-drop:hover .drop {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-menu .drop a {
  display: block;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
}

.nav-menu .drop a::after {
  display: none;
}

.nav-menu .drop a:hover {
  background: var(--color-soft);
  color: var(--color-primary);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-soft);
  color: var(--color-dark);
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: all var(--transition);
}

.nav-toggle:hover {
  background: var(--color-dark);
  color: #fff;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  min-height: 92dvh;
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
  background: var(--color-dark);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero-1.jpg');
  background-size: cover;
  background-position: center;
  z-index: 0;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(10, 22, 40, 0.92) 0%, rgba(10, 22, 40, 0.7) 55%, rgba(10, 22, 40, 0.45) 100%);
}

/* Decorative pattern when no image available */
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at top right, rgba(255, 107, 26, 0.22), transparent 55%),
    radial-gradient(ellipse at bottom left, rgba(21, 42, 71, 0.8), transparent 50%),
    linear-gradient(135deg, #0a1628 0%, #152a47 55%, #1f3a66 100%);
  z-index: -1;
}

.hero-inner {
  position: relative;
  z-index: 2;
  padding: 80px 0;
  width: 100%;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.hero-content .eyebrow {
  color: var(--color-primary-light);
}

.hero-content .eyebrow::before {
  background: var(--color-primary-light);
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  color: #fff;
  margin-bottom: 24px;
  line-height: 1.08;
}

.hero-title .accent {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.08rem;
  color: rgba(255, 255, 255, 0.82);
  max-width: 540px;
  margin-bottom: 32px;
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-stat .num {
  font-family: var(--font-head);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-primary-light);
  line-height: 1;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.hero-stat .label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Hero visual card */
.hero-visual {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  background: linear-gradient(135deg, #1f3a66, #0a1628);
}

.hero-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  padding: 20px 24px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 16px;
  color: #fff;
}

.hero-badge-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.hero-badge-text strong {
  display: block;
  font-size: 15px;
  margin-bottom: 2px;
}

.hero-badge-text span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.78);
}

.hero-scroll {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  color: rgba(255, 255, 255, 0.7);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.hero-scroll .line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, var(--color-primary));
  animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
  0%, 100% { transform: scaleY(1); transform-origin: top; opacity: 0.3; }
  50% { transform: scaleY(1.4); opacity: 1; }
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-visual .main-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
  box-shadow: var(--shadow-lg);
}

.about-visual .main-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-visual .sub-img {
  position: absolute;
  bottom: -30px;
  right: -30px;
  width: 50%;
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 8px solid #fff;
  box-shadow: var(--shadow-lg);
  background: #cbd5e1;
}

.about-visual .sub-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-visual .exp-badge {
  position: absolute;
  top: -24px;
  left: -24px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow: var(--shadow-primary);
  border: 8px solid #fff;
  padding: 12px;
}

.about-visual .exp-badge .num {
  font-family: var(--font-head);
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
}

.about-visual .exp-badge .txt {
  font-size: 12px;
  font-weight: 600;
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.about-content h2 {
  margin-bottom: 18px;
}

.about-content p {
  color: var(--color-text-soft);
  margin-bottom: 16px;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin: 28px 0;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  background: var(--color-soft);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.about-feature:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.about-feature i {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
}

.about-feature span {
  font-weight: 500;
  font-size: 14.5px;
}

/* ---------- Vision/Mission Tiles ---------- */
.vm-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 30px;
}

.vm-card {
  padding: 28px;
  border-radius: var(--radius-lg);
  background: var(--color-soft);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.vm-card:hover {
  border-color: transparent;
  background: var(--gradient-dark);
  color: #fff;
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.vm-card:hover h4,
.vm-card:hover p {
  color: #fff;
}

.vm-card i {
  display: inline-flex;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--gradient-primary);
  color: #fff;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 16px;
}

.vm-card h4 {
  font-size: 1.35rem;
  margin-bottom: 8px;
}

.vm-card p {
  color: var(--color-text-soft);
  font-size: 14.5px;
  margin: 0;
}

/* ---------- Services ---------- */
.services-bg {
  background: var(--color-soft);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 50px;
}

.service-card {
  position: relative;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

/* Tüm kart alanı tek hedef: mobilde görsele tıklayınca yanlış/boş hedef sorununu giderir */
.service-card-hit {
  position: absolute;
  inset: 0;
  z-index: 4;
  border-radius: var(--radius-lg);
  text-decoration: none;
}

.service-card-hit:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: linear-gradient(135deg, #152a47, #0a1628);
}

.service-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.service-card:hover .service-media img {
  transform: scale(1.06);
}

.service-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(10, 22, 40, 0.75));
  pointer-events: none;
}

.service-icon {
  position: absolute;
  top: 16px;
  left: 16px;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--gradient-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  z-index: 2;
  box-shadow: var(--shadow-primary);
}

.service-num {
  position: absolute;
  top: 20px;
  right: 20px;
  font-family: var(--font-head);
  font-size: 2.4rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1;
  z-index: 2;
}

.service-body {
  padding: 26px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-body h3 {
  font-size: 1.35rem;
  margin-bottom: 10px;
}

.service-body p {
  color: var(--color-text-soft);
  font-size: 14.5px;
  margin-bottom: 18px;
  flex: 1;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--color-primary);
  font-size: 14px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  pointer-events: none;
}

.service-link i {
  transition: transform var(--transition);
}

.service-card:hover .service-link i {
  transform: translateX(4px);
}

/* ---------- Why Us ---------- */
.why-bg {
  background: var(--color-dark);
  color: #fff;
  overflow: hidden;
}

.why-bg .eyebrow {
  color: var(--color-primary-light);
}

.why-bg h2 {
  color: #fff;
}

.why-bg .section-subtitle {
  color: rgba(255, 255, 255, 0.7);
}

.why-bg::before {
  content: '';
  position: absolute;
  top: -150px;
  right: -150px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 107, 26, 0.2), transparent 70%);
  pointer-events: none;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 50px;
  position: relative;
}

.why-card {
  padding: 32px 26px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition);
  backdrop-filter: blur(10px);
}

.why-card:hover {
  background: var(--gradient-primary);
  border-color: transparent;
  transform: translateY(-6px);
  box-shadow: var(--shadow-primary);
}

.why-card i {
  font-size: 32px;
  color: var(--color-primary-light);
  margin-bottom: 20px;
  display: inline-block;
  transition: all var(--transition);
}

.why-card:hover i {
  color: #fff;
  transform: scale(1.1);
}

.why-card h4 {
  color: #fff;
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.why-card p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  margin: 0;
}

.why-card:hover p {
  color: rgba(255, 255, 255, 0.95);
}

/* ---------- Projects / References ---------- */
.refs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 240px;
  gap: 18px;
  margin-top: 50px;
}

.ref-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-soft-2);
  cursor: pointer;
}

.ref-card.tall {
  grid-row: span 2;
}

.ref-card.wide {
  grid-column: span 2;
}

.ref-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.ref-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(10, 22, 40, 0.9));
  opacity: 0.7;
  transition: opacity var(--transition);
}

.ref-card:hover::after {
  opacity: 0.9;
}

.ref-card:hover img {
  transform: scale(1.06);
}

.ref-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px;
  color: #fff;
  z-index: 2;
  transform: translateY(8px);
  transition: transform var(--transition);
}

.ref-card:hover .ref-info {
  transform: translateY(0);
}

.ref-info .tag {
  display: inline-block;
  padding: 4px 10px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.ref-info h4 {
  color: #fff;
  font-size: 1.15rem;
  margin: 0;
}

.ref-info .loc {
  color: rgba(255, 255, 255, 0.75);
  font-size: 13px;
  margin-top: 4px;
}

/* ---------- Projects Table ---------- */
.projects-table {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.pt-row {
  display: grid;
  grid-template-columns: 70px 2.2fr 1.6fr 1fr;
  gap: 16px;
  padding: 18px 26px;
  align-items: center;
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition);
}

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

.pt-row:not(.pt-head):not(.pt-total):hover {
  background: var(--color-soft);
}

.pt-head {
  background: var(--color-dark);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.pt-head .pt-cell {
  color: rgba(255, 255, 255, 0.85);
}

.pt-num {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--color-primary);
  font-size: 15px;
}

.pt-name {
  font-weight: 600;
  color: var(--color-dark);
  font-size: 15.5px;
}

.pt-type {
  color: var(--color-text-soft);
  font-size: 14px;
}

.pt-area {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  color: var(--color-primary);
  text-align: right;
}

.pt-head .pt-area {
  text-align: right;
}

.pt-total {
  background: var(--gradient-dark);
  color: #fff;
  padding: 24px 26px;
}

.pt-total .pt-num,
.pt-total .pt-name,
.pt-total .pt-type,
.pt-total .pt-area {
  color: #fff;
}

.pt-total .pt-name {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.pt-total .pt-area {
  font-size: 22px;
  color: var(--color-primary-light);
}

.pt-total .pt-num i {
  color: var(--color-primary-light);
  font-size: 18px;
}

.pt-total .pt-type {
  font-style: italic;
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
}

@media (max-width: 820px) {
  .pt-row {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 18px 20px;
  }
  .pt-head {
    display: none;
  }
  .pt-num {
    font-size: 12px;
    letter-spacing: 0.14em;
    color: var(--color-primary);
    text-transform: uppercase;
  }
  .pt-num::before {
    content: 'Proje ';
    color: var(--color-muted);
  }
  .pt-name { font-size: 17px; }
  .pt-area { text-align: left; }
  .pt-area::before {
    content: 'Alan: ';
    color: var(--color-muted);
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 13px;
  }
  .pt-total { padding: 22px 20px; }
  .pt-total .pt-num { color: var(--color-primary-light); }
  .pt-total .pt-num::before { content: none; }
  .pt-total .pt-area::before { content: 'Toplam: '; color: rgba(255,255,255,0.6); }
}

/* ---------- CTA Banner ---------- */
.cta-banner {
  position: relative;
  padding: 80px 0;
  background: var(--gradient-dark);
  color: #fff;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: 50%;
  right: -100px;
  transform: translateY(-50%);
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 107, 26, 0.25), transparent 70%);
}

.cta-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  align-items: center;
  gap: 40px;
  position: relative;
  z-index: 2;
}

.cta-inner h2 {
  color: #fff;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: 12px;
}

.cta-inner p {
  color: rgba(255, 255, 255, 0.75);
  margin: 0;
}

.cta-actions {
  display: flex;
  gap: 14px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
  align-items: start;
}

.contact-info-card {
  padding: 40px;
  background: var(--color-dark);
  color: #fff;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.contact-info-card::before {
  content: '';
  position: absolute;
  bottom: -100px;
  right: -100px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 107, 26, 0.25), transparent 70%);
}

.contact-info-card h3 {
  color: #fff;
  font-size: 1.7rem;
  margin-bottom: 10px;
  position: relative;
}

.contact-info-card > p {
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 30px;
  position: relative;
}

.contact-info-list {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-info-item i {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 107, 26, 0.15);
  color: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.contact-info-item .label {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 4px;
}

.contact-info-item .value {
  color: #fff;
  font-size: 15px;
  line-height: 1.5;
}

.contact-info-item .value a {
  color: #fff;
}

.contact-info-item .value a:hover {
  color: var(--color-primary-light);
}

.contact-form {
  padding: 40px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.contact-form h3 {
  margin-bottom: 8px;
}

.contact-form > p {
  color: var(--color-text-soft);
  margin-bottom: 28px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 14.5px;
  color: var(--color-text);
  background: #fff;
  transition: all var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(255, 107, 26, 0.12);
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.form-msg {
  margin-top: 14px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  display: none;
}

.form-msg.show {
  display: block;
}

.form-msg.success {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #6ee7b7;
}

.form-msg.error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fca5a5;
}

/* ---------- Map ---------- */
.map-wrap {
  margin-top: 80px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.map-wrap iframe {
  display: block;
  width: 100%;
  height: clamp(260px, 50vw, 420px);
  min-height: 240px;
  border: 0;
}

/* ---------- Page Header (inner pages) ---------- */
.page-header {
  position: relative;
  padding: 110px 0 90px;
  background: var(--color-dark);
  color: #fff;
  overflow: hidden;
  text-align: center;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at top right, rgba(255, 107, 26, 0.22), transparent 55%),
    linear-gradient(135deg, #0a1628 0%, #152a47 65%, #1f3a66 100%);
}

.page-header::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 40%, rgba(255, 255, 255, 0.04) 2px, transparent 3px),
    radial-gradient(circle at 70% 80%, rgba(255, 255, 255, 0.04) 2px, transparent 3px);
  background-size: 40px 40px, 60px 60px;
  opacity: 0.6;
}

.page-header-inner {
  position: relative;
  z-index: 2;
}

.page-header h1 {
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  color: #fff;
  margin-bottom: 14px;
}

.page-header p {
  color: rgba(255, 255, 255, 0.78);
  max-width: 640px;
  margin: 0 auto;
}

.breadcrumb {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  row-gap: 6px;
  max-width: 100%;
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  margin-top: 22px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
  text-align: center;
}

.breadcrumb a {
  color: var(--color-primary-light);
}

.breadcrumb i {
  font-size: 9px;
  color: rgba(255, 255, 255, 0.5);
}

/* ---------- Service Detail ---------- */
.service-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}

.service-detail-media {
  position: sticky;
  top: 100px;
}

.service-detail-media .img-main {
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
  box-shadow: var(--shadow-lg);
}

.service-detail-media .img-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-detail-content h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 18px;
}

.service-detail-content p {
  color: var(--color-text-soft);
  margin-bottom: 16px;
}

.service-detail-content h3 {
  font-size: 1.4rem;
  margin: 32px 0 14px;
}

.feat-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 20px 0 30px;
}

.feat-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--color-soft);
  border-radius: var(--radius-md);
  font-size: 14.5px;
}

.feat-list li i {
  color: var(--color-primary);
  flex-shrink: 0;
}

/* ---------- Sidebar (Tüm Hizmetler) — buton estetiği ----------
   Sabit yükseklikli beyaz kart butonlar. Font / görsel yüklenirken
   hiçbir layout shift yok. `contain: layout style` ile izolasyon. */
.sidebar {
  position: relative;
  z-index: 5;
  background: var(--color-soft);
  border-radius: var(--radius-lg);
  padding: 22px 20px;
  margin-top: 28px;
  contain: layout style;
  isolation: isolate;
}

.sidebar h4 {
  font-size: 1.15rem;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-border);
  line-height: 1.2;
  color: var(--color-dark);
}

.sidebar-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Her link tam bağımsız bir buton — absolute/pseudo yok, saf kutu. */
.sidebar-list a {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  width: 100%;
  height: 56px;
  padding: 0 18px;
  background: #fff;
  color: var(--color-text);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  box-sizing: border-box;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  box-shadow: 0 1px 2px rgba(10, 22, 40, 0.04);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: background 0.18s ease, color 0.18s ease,
              border-color 0.18s ease, box-shadow 0.18s ease;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  -webkit-user-select: none;
  user-select: none;
}

/* Sağ ok ikonu — ayrı daire; pointer-events: none ile tıklama yakalamaz */
.sidebar-list a .link-arrow {
  display: inline-flex;
  width: 26px;
  height: 26px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-soft-2);
  color: var(--color-muted);
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
  padding-bottom: 2px;
  transition: background 0.2s ease, color 0.2s ease;
  pointer-events: none;
  flex-shrink: 0;
}

/* Metin taşma koruması */
.sidebar-list a .link-text {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
  pointer-events: none;
}

.sidebar-list a:hover {
  border-color: rgba(255, 122, 0, 0.4);
  color: var(--color-dark);
  box-shadow: 0 6px 18px rgba(10, 22, 40, 0.08);
}
.sidebar-list a:hover .link-arrow {
  background: var(--gradient-primary);
  color: #fff;
}

/* Dokunma geri bildirimi — anlık turuncu flaş */
.sidebar-list a:active {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 6px 18px rgba(255, 107, 26, 0.35);
  transition: none;
}
.sidebar-list a:active .link-arrow {
  background: rgba(255, 255, 255, 0.25);
  color: #fff;
}

/* Aktif (current page) — turuncu gradient buton */
.sidebar-list a.active {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 8px 20px rgba(255, 107, 26, 0.32);
}
.sidebar-list a.active .link-arrow {
  background: rgba(255, 255, 255, 0.22);
  color: #fff;
}

/* Klavye erişilebilirliği */
.sidebar-list a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-color: transparent;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 80px 0 0;
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 2px;
  background: var(--gradient-primary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: 40px;
  padding-bottom: 50px;
}

.footer h5 {
  color: #fff;
  font-size: 1.1rem;
  margin-bottom: 22px;
  font-family: var(--font-head);
}

.footer-about .logo {
  margin-bottom: 20px;
}

.footer-about .logo-text .name {
  color: #fff;
}

.footer-about p {
  font-size: 14.5px;
  margin-bottom: 20px;
  line-height: 1.7;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: all var(--transition);
}

.footer-social a:hover {
  background: var(--gradient-primary);
  transform: translateY(-3px);
}

.footer-links a {
  display: block;
  padding: 7px 0;
  font-size: 14.5px;
  color: rgba(255, 255, 255, 0.7);
  transition: all var(--transition);
}

.footer-links a:hover {
  color: var(--color-primary-light);
  padding-left: 6px;
}

.footer-contact li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 8px 0;
  font-size: 14px;
}

.footer-contact li i {
  color: var(--color-primary);
  margin-top: 4px;
}

.footer-contact li a {
  color: rgba(255, 255, 255, 0.78);
}

.footer-contact li a:hover {
  color: var(--color-primary-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 13.5px;
}

.footer-bottom a:hover {
  color: var(--color-primary-light);
}

.footer-bottom-links {
  display: flex;
  gap: 22px;
}

/* ---------- Floating WhatsApp ---------- */
.float-whatsapp {
  position: fixed;
  bottom: max(16px, env(safe-area-inset-bottom, 0px) + 8px);
  right: max(16px, env(safe-area-inset-right, 0px) + 8px);
  z-index: 50;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
  transition: all var(--transition);
}

.float-whatsapp:hover {
  transform: scale(1.1);
  color: #fff;
}

.float-whatsapp::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid #25d366;
  opacity: 0.5;
  animation: ripple 2s ease-out infinite;
}

@keyframes ripple {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.4); opacity: 0; }
}

/* ---------- Animations on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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


.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }

/* =========================================================
   RESPONSIVE DESIGN — sistematik breakpoint sırası
   Breakpoints:
     ≤1200px → Ultra-wide tablet / dar desktop: container sıkıştırma
     ≤1024px → Tablet yatay / küçük laptop: 4/3 kolon → 2 kolon
     ≤820px  → Tablet dikey / büyük telefon: hamburger menü aktif, çoğu grid 1 kolon
     ≤560px  → Telefon: her şey tek kolon, kompakt tipografi
     ≤380px  → Çok küçük telefon: ekstra sıkı tipografi
   ========================================================= */

/* ---------- ≤1200px: Container sıkıştırma ---------- */
@media (max-width: 1200px) {
  .container {
    padding-inline: 28px;
  }
  .hero-title   { font-size: clamp(2rem, 4.5vw, 3rem); }
  .section-title { font-size: clamp(1.9rem, 3.6vw, 2.4rem); }
}

/* ---------- ≤1024px: Tablet — 2 kolon yerleşimler ---------- */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .why-grid      { grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .refs-grid     { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 220px; gap: 16px; }
  .ref-card.wide { grid-column: span 2; }
  .ref-card.tall { grid-row: auto; }
  .footer-grid   { grid-template-columns: 1fr 1fr; gap: 36px; }

  .hero-grid,
  .about-grid,
  .contact-grid,
  .cta-inner,
  .service-detail-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  /* Hizmet detayı: mobilde/tabletede sidebar görsellerin ÜSTÜNDE.
     Görsellerin yükleme sırasındaki olası layout shift'i, sidebar
     tıklama koordinatlarını etkilemesin diye sıralama değişti. */
  .service-detail-media {
    position: static;
    width: 100%;
    max-width: min(540px, 100%);
    margin-inline: auto;
    display: flex;
    flex-direction: column;
  }
  .service-detail-media .sidebar     { order: -1; margin-top: 0; margin-bottom: 8px; }
  .service-detail-media .img-main    { order: 1; }
  .service-detail-media .img-main + .img-main { margin-top: 20px; }

  /* Hit-test'i kaydırabilecek transform'ları sidebar ve içeriklerde kapat */
  .service-detail-grid .reveal,
  .service-detail-grid .reveal.visible,
  .service-detail-media,
  .service-detail-media .sidebar,
  .service-detail-content {
    transform: none !important;
  }

  .about-features { grid-template-columns: 1fr 1fr; gap: 12px; }
  .hero-stats     { grid-template-columns: 1fr 1fr; }
  .cta-inner      { text-align: center; }
  .cta-inner h2   { margin-inline: auto; }
  .cta-actions    { justify-content: center; }
}

/* ---------- ≤820px: Mobil — hamburger menü, tek kolon ---------- */
@media (max-width: 820px) {
  /* Global spacing */
  .container  { padding-inline: 20px; }
  .section    { padding: 64px 0; }
  .section-sm { padding: 48px 0; }

  /* Topbar'ı gizle, header'ı koyu kurumsal şerit yap.
     KRİTİK: backdrop-filter'ı kapatıyoruz — aksi halde mobilde fixed-positioned
     .nav-menu container bloğu header'a göre hesaplanıyor (özellikle iOS Safari)
     ve menü konumu kayıyor. */
  .topbar { display: none; }
  .header {
    background: linear-gradient(180deg, var(--color-dark-2) 0%, var(--color-dark) 100%);
    border-bottom: 1px solid rgba(255, 107, 26, 0.28);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
  .header.scrolled { box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35); }

  .logo-img {
    height: 44px;
    width: 44px;
    max-width: 44px;
  }
  .header .logo-img {
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.35));
  }
  .footer-about .logo-img {
    height: 64px;
    width: 64px;
    max-width: 64px;
  }

  /* Hamburger toggle */
  .nav-toggle {
    display: flex;
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
  }
  .nav-toggle:hover {
    background: var(--color-primary);
    color: #fff;
  }
  .nav-cta .btn:not(.nav-toggle) { display: none; }

  /* ==== Mobil menü — tüm viewport genişliğinde sabitlenmiş panel ==== */
  .nav-menu {
    position: fixed;
    top: calc(72px + env(safe-area-inset-top, 0px));
    left: 0;
    right: 0;
    width: 100vw;
    max-width: 100vw;
    margin: 0;
    box-sizing: border-box;
    flex-direction: column;
    align-items: stretch;
    background: var(--color-dark-2);
    padding: 14px 14px max(14px, env(safe-area-inset-bottom, 0px));
    gap: 2px;
    border-top: 1px solid rgba(255, 107, 26, 0.15);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px);
    transition: transform 0.25s ease, opacity 0.22s ease, visibility 0.25s;
    max-height: min(560px, calc(100dvh - 72px - env(safe-area-inset-top, 0px)));
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    z-index: 99;
  }
  .nav-menu.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  /* Ana menü linkleri */
  .nav-menu > a,
  .nav-menu .has-drop > a {
    display: flex;
    align-items: center;
    width: 100%;
    min-height: 52px;
    padding: 14px 16px;
    border-radius: 10px;
    color: rgba(255, 255, 255, 0.92);
    font-size: 15.5px;
    font-weight: 500;
    text-decoration: none;
    transition: background 0.2s ease, color 0.2s ease;
    touch-action: manipulation;
    -webkit-tap-highlight-color: rgba(255, 122, 0, 0.2);
  }
  .nav-menu a::after { display: none; }
  .nav-menu > a:hover,
  .nav-menu > a:active,
  .nav-menu .has-drop > a:hover,
  .nav-menu .has-drop > a:active {
    background: rgba(255, 122, 0, 0.14);
    color: #fff;
  }
  .nav-menu > a.active {
    background: var(--gradient-primary);
    color: #fff;
  }

  /* "Hizmetlerimiz" satırı */
  .nav-menu .has-drop > a { justify-content: space-between; cursor: pointer; }
  .nav-menu .has-drop > a i {
    font-size: 11px;
    opacity: 0.75;
    transition: transform 0.25s ease;
    margin-left: 8px;
  }
  .nav-menu .has-drop.open > a {
    background: rgba(255, 122, 0, 0.12);
    color: #fff;
  }
  .nav-menu .has-drop.open > a i {
    transform: rotate(180deg);
    opacity: 1;
  }

  /* Drop panel — EN BASİT display toggle. Animasyon yok, %100 güvenilir. */
  .nav-menu .drop,
  .nav-menu .has-drop .drop {
    position: static !important;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    transform: none !important;
    min-width: 0 !important;
    width: auto;
    max-width: 100%;
    box-sizing: border-box;
    background: transparent !important;
    box-shadow: none !important;
    border: none !important;
    border-left: 2px solid rgba(255, 122, 0, 0.35) !important;
    padding: 4px 0 4px 10px;
    margin: 4px 0 6px 16px;
    display: none;
    flex-direction: column;
    gap: 2px;
    opacity: 1 !important;
    visibility: visible !important;
    overflow: visible;
  }
  .nav-menu .drop::before,
  .nav-menu .has-drop .drop::before { display: none !important; }
  .nav-menu .has-drop.open .drop {
    display: flex;
  }

  /* Drop içindeki linkler — tam genişlik, sola yaslı */
  .nav-menu .drop a {
    display: flex !important;
    align-items: center;
    justify-content: flex-start;
    width: 100%;
    box-sizing: border-box;
    min-height: 46px;
    padding: 12px 14px !important;
    border-radius: 8px !important;
    color: rgba(255, 255, 255, 0.78) !important;
    font-size: 14.5px !important;
    font-weight: 500 !important;
    text-align: left;
    text-decoration: none;
    background: transparent;
    transition: background 0.2s ease, color 0.2s ease;
    touch-action: manipulation;
    -webkit-tap-highlight-color: rgba(255, 122, 0, 0.2);
  }
  .nav-menu .drop a:hover,
  .nav-menu .drop a:active {
    background: rgba(255, 122, 0, 0.14) !important;
    color: #fff !important;
  }
  .nav-menu .drop a.active {
    background: var(--gradient-primary) !important;
    color: #fff !important;
  }

  /* Mobil CTA butonu */
  .nav-menu .mobile-cta {
    display: flex;
    margin-top: 12px;
    padding: 14px 16px;
    min-height: 52px;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 10px;
    font-weight: 600;
    font-size: 15px;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
    box-shadow: 0 8px 20px rgba(255, 107, 26, 0.35);
    touch-action: manipulation;
  }
  .nav-menu .mobile-cta i { font-size: 14px; }

  /* ==== HERO ==== */
  .hero { min-height: auto; }
  .hero-inner { padding: 56px 0 64px; }
  .hero-scroll { display: none; }
  .hero-stats  { grid-template-columns: 1fr 1fr; gap: 18px; }
  .hero-visual { max-width: 520px; margin-inline: auto; }

  /* ==== ABOUT ==== */
  .about-visual {
    max-width: 100%;
    margin-inline: auto;
    padding-bottom: 28px;
  }
  .about-visual .sub-img {
    bottom: 0;
    right: 0;
    width: 46%;
    border-width: 5px;
  }
  .about-visual .exp-badge {
    width: 110px;
    height: 110px;
    top: -10px;
    left: -6px;
  }
  .about-visual .exp-badge .num { font-size: 2.2rem; }
  .about-features { grid-template-columns: 1fr; }

  /* ==== HİZMETLER / REFERANSLAR / WHY / FOOTER ==== */
  .services-grid { grid-template-columns: 1fr 1fr; }
  .why-grid      { grid-template-columns: 1fr 1fr; }
  .vm-grid       { grid-template-columns: 1fr; }

  .refs-grid     { grid-template-columns: 1fr 1fr; grid-auto-rows: 180px; gap: 14px; }
  .ref-card.wide { grid-column: span 2; }
  .ref-card.tall { grid-row: auto; }
  .ref-info      { padding: 18px; }

  /* Hizmet kartı reveal transform'u bazı mobil tarayıcılarda hit-test kaydırabiliyor */
  .services-grid .reveal,
  .services-grid .reveal.visible { transform: none; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .feat-list   { grid-template-columns: 1fr; }
  .form-row    { grid-template-columns: 1fr; }

  /* ==== PAGE HEADER & CTA ==== */
  .page-header { padding: 88px 0 72px; }
  .cta-banner  { padding: 56px 0; }
  .cta-actions { justify-content: stretch; flex-wrap: wrap; }
  .cta-actions .btn {
    flex: 1 1 auto;
    min-width: min(100%, 200px);
  }

  /* ==== FORM (iOS auto-zoom önlemi) ==== */
  .form-group input,
  .form-group textarea,
  .form-group select { font-size: 16px; }
}

/* ---------- ≤560px: Telefon — tek kolon, kompakt ---------- */
@media (max-width: 560px) {
  .container  { padding-inline: 16px; }
  .section    { padding: 52px 0; }
  .section-sm { padding: 40px 0; }

  .page-header { padding: 72px 0 56px; }
  .page-header p {
    padding-inline: 4px;
    font-size: 0.95rem;
  }

  /* Tüm grid'leri tek kolona indir */
  .services-grid,
  .why-grid,
  .vm-grid,
  .about-features,
  .hero-stats {
    grid-template-columns: 1fr;
  }
  .hero-stats { text-align: center; gap: 14px; }
  .hero-stat  { text-align: center; }
  .hero-stat .num { justify-content: center; }

  /* Hero CTA tek kolon, tam genişlik */
  .hero-cta { flex-direction: column; width: 100%; }
  .hero-cta .btn { width: 100%; }
  .hero-badge {
    flex-wrap: wrap;
    left: 16px;
    right: 16px;
    bottom: 16px;
    padding: 16px 18px;
    gap: 12px;
  }
  .hero-badge-text strong { font-size: 14px; }

  /* Referans kartları tek kolon */
  .refs-grid     { grid-template-columns: 1fr; grid-auto-rows: 220px; }
  .ref-card.wide { grid-column: auto; }

  /* Hizmet detay sidebar/görseller tam genişlik */
  .service-detail-media { max-width: 100%; }
  .sidebar { padding: 20px 18px; }
  .sidebar-list a {
    height: 60px;            /* mobilde daha büyük touch target */
    padding: 0 18px;
    font-size: 15.5px;
  }
  .feat-list li { align-items: flex-start; }

  /* İletişim */
  .contact-info-card,
  .contact-form { padding: 28px 22px; }
  .map-wrap {
    margin-top: 40px;
    border-radius: var(--radius-md);
  }
  .map-wrap iframe { height: min(320px, 62vw); }

  /* Footer */
  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 16px;
    padding-bottom: max(24px, env(safe-area-inset-bottom, 0px));
  }
  .footer-bottom-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px 20px;
  }

  /* CTA actions: dikey stack */
  .cta-actions { flex-direction: column; width: 100%; }
  .cta-actions .btn {
    width: 100%;
    justify-content: center;
    white-space: normal;
    text-align: center;
  }
  .btn { white-space: normal; text-align: center; }
  .nav-cta .btn-primary { white-space: nowrap; }

  .hero-inner { padding: 48px 0 56px; }
}

/* ---------- ≤380px: Çok küçük telefon — ekstra sıkı tipografi ---------- */
@media (max-width: 380px) {
  .container { padding-inline: 14px; }
  .hero-title     { font-size: clamp(1.75rem, 8.5vw, 2.2rem); }
  .section-title  { font-size: clamp(1.5rem, 7.5vw, 1.9rem); }
  .hero-desc      { font-size: 0.95rem; }
  .nav-menu       { padding: 12px 10px; }
  .service-card h3 { font-size: 1.1rem; }
  .sidebar-list a  { height: 58px; font-size: 14.5px; padding: 0 14px; }
  .contact-info-card,
  .contact-form   { padding: 22px 18px; }
}

/* ---------- FAQ (Sıkça Sorulan Sorular) ---------- */
.faq-wrap {
  max-width: 860px;
  margin: 40px auto 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.faq-item[open] {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}
.faq-item > summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 24px;
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--color-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: color .25s ease;
}
.faq-item > summary::-webkit-details-marker { display: none; }
.faq-item > summary::after {
  content: "\2b";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  color: var(--color-primary);
  font-size: 14px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--color-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform .3s ease, background .3s ease, color .3s ease;
  flex: 0 0 30px;
}
.faq-item[open] > summary::after {
  content: "\f068";
  transform: rotate(0deg);
  background: var(--color-primary);
  color: #fff;
}
.faq-item[open] > summary { color: var(--color-primary); }
.faq-item .faq-answer {
  padding: 0 24px 22px;
  color: var(--color-muted);
  line-height: 1.75;
  font-size: 0.97rem;
}
@media (max-width: 600px) {
  .faq-item > summary { padding: 16px 18px; font-size: 0.98rem; }
  .faq-item .faq-answer { padding: 0 18px 18px; font-size: 0.94rem; }
}

/* ---------- Hareket tercihi: düşük animasyon ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}