/* ==========================================================================
   BAŞ GRUP İNŞAAT — SECTIONS
   ========================================================================== */

/* --- HERO SECTION --- */
.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: url('../assets/images/hero/hero-bg.jpg') center/cover no-repeat;
  color: var(--text-white);
  padding-top: calc(var(--header-height) + 2rem);
  padding-bottom: 4rem;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(13, 27, 42, 0.88) 0%,
    rgba(27, 58, 92, 0.75) 50%,
    rgba(13, 27, 42, 0.92) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  background: rgba(212, 168, 67, 0.15);
  border: 1px solid rgba(212, 168, 67, 0.4);
  border-radius: var(--radius-full);
  color: var(--accent-light);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(8px);
}

.hero-title {
  font-size: 4rem;
  color: var(--text-white);
  line-height: 1.15;
  margin-bottom: 1.5rem;
  font-weight: 800;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.hero-title span {
  background: linear-gradient(135deg, #FFF 0%, var(--accent-light) 60%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 2.5rem;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  font-weight: 300;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  margin-bottom: 4rem;
}

/* HERO STATS BAR */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  background: rgba(20, 36, 56, 0.65);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(212, 168, 67, 0.25);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.stat-item {
  text-align: center;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -0.75rem;
  top: 15%;
  height: 70%;
  width: 1px;
  background: rgba(255, 255, 255, 0.15);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent-light);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.stat-label {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* --- ABOUT SECTION --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
}

.about-img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  object-fit: cover;
}

.about-experience-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--dark);
  color: var(--text-white);
  border: 2px solid var(--accent);
  border-radius: var(--radius-md);
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-glow);
}

.exp-years {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.exp-text {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  line-height: 1.3;
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.highlight-card {
  padding: 1.25rem;
  border-left: 3px solid var(--accent);
  background: var(--bg-main);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.highlight-card h4 {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  color: var(--primary);
}

/* --- MISSION & VISION SECTION --- */
.mv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.mv-card {
  padding: 3rem 2.5rem;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.mv-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: rgba(212, 168, 67, 0.15);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
}

.mv-card h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--text-white);
}

.mv-card p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* --- PROJECTS SECTION --- */
.portfolio-filters {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.6rem 1.5rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-alt);
  border: 1px solid transparent;
  transition: var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--primary);
  color: var(--text-white);
  border-color: var(--accent);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.project-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  background: var(--bg-card);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.project-img-wrapper {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

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

.project-card:hover .project-img {
  transform: scale(1.08);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(13, 27, 42, 0.9) 0%, rgba(13, 27, 42, 0.2) 60%, transparent 100%);
  opacity: 0;
  transition: var(--transition-fast);
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-info {
  padding: 1.5rem;
}

.project-category {
  color: var(--accent-dark);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.4rem;
}

.project-title {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
  color: var(--primary-dark);
}

.project-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* --- GALLERY SECTION --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 1;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-zoom-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(27, 58, 92, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-fast);
  color: var(--accent-light);
  font-size: 2rem;
}

.gallery-item:hover .gallery-zoom-overlay {
  opacity: 1;
}

/* --- CONTACT SECTION --- */
.contact-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
  margin-bottom: 3rem;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.75rem;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: var(--shadow-md);
  transition: var(--transition-fast);
}

.contact-info-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(212, 168, 67, 0.4);
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(212, 168, 67, 0.15);
  color: var(--accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-text h4 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.2rem;
}

.contact-text p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.contact-form {
  background: var(--bg-card);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.9rem 1.2rem;
  border: 1.5px solid #E2E8F0;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  transition: var(--transition-fast);
  background: #F8FAFC;
}

.form-control:focus {
  border-color: var(--accent);
  background: #FFFFFF;
  box-shadow: 0 0 0 4px var(--accent-glow);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* MAP WRAPPER */
.map-container {
  margin-top: 3rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  height: 380px;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
}