/* ==========================================================================
   ÇAMDAĞ YAPI - NEF & Larson İlhamlı Premium Minimalist Design System
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');

:root {
  /* Color Palette */
  --color-primary: #111111;
  --color-secondary: #2F2F2F;
  --color-bg-light: #FFFFFF;
  --color-bg-soft: #F8F9FA;
  --color-bg-dark: #111111;
  --color-accent-copper: #C87D55;
  --color-accent-gold: #D4AF37;
  --color-text-dark: #111111;
  --color-text-muted: #666666;
  --color-text-light: #999999;
  --color-border: #E5E7EB;
  --color-border-dark: #222222;

  /* Fonts */
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Manrope', sans-serif;

  /* Transitions & Spacing */
  --transition-fast: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-light);
  color: var(--color-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.text-copper {
  color: var(--color-accent-copper);
}

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

.text-link-copper {
  font-weight: 700;
  color: var(--color-accent-copper);
}

/* Container */
.container {
  width: 90%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

.section {
  padding: 7.5rem 0;
  position: relative;
}

.section-bg-soft {
  background-color: var(--color-bg-soft);
}

.section-title-wrap {
  margin-bottom: 4rem;
}

.sub-badge {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-accent-copper);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 3.25rem);
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
}

.section-subtitle {
  color: var(--color-text-muted);
  font-size: 1.125rem;
  max-width: 650px;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition-smooth);
  padding: 1.5rem 0;
  background: transparent;
}

.navbar.scrolled {
  background: #FFFFFF;
  padding: 1rem 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  border-bottom: 1px solid var(--color-border);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.4rem;
  font-weight: 800;
  font-family: var(--font-heading);
  letter-spacing: -0.5px;
  color: #FFFFFF;
}

.navbar.scrolled .logo {
  color: var(--color-primary);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  color: #FFFFFF;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}

.navbar.scrolled .logo-icon {
  background: var(--color-accent-copper);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2.2rem;
  align-items: center;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  transition: var(--transition-fast);
  position: relative;
}

.navbar.scrolled .nav-links a {
  color: var(--color-secondary);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-accent-copper) !important;
}

.nav-cta {
  padding: 0.8rem 1.8rem;
  background: var(--color-accent-copper);
  color: #FFFFFF !important;
  font-weight: 700 !important;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.nav-cta:hover {
  background: var(--color-primary) !important;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.8rem;
  cursor: pointer;
}

.navbar.scrolled .mobile-toggle {
  color: var(--color-primary);
}

/* Hero Section */
.hero {
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(180deg, rgba(17, 17, 17, 0.6) 0%, rgba(17, 17, 17, 0.85) 100%),
              url('/images/hero_background.png') center/cover no-repeat;
  color: #FFFFFF;
}

.hero-content {
  max-width: 820px;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: clamp(2.75rem, 5.5vw, 4.75rem);
  line-height: 1.08;
  margin-bottom: 1.5rem;
  color: #FFFFFF;
  letter-spacing: -0.03em;
}

.hero-description {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 2.5rem;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 1.1rem 2.4rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition-fast);
  border: 1.5px solid transparent;
}

.btn-sm {
  padding: 0.75rem 1.5rem;
}

.btn-primary {
  background: var(--color-primary);
  color: #FFFFFF;
}

.btn-primary:hover {
  background: var(--color-accent-copper);
  transform: translateY(-2px);
}

.btn-accent {
  background: var(--color-accent-copper);
  color: #FFFFFF;
}

.btn-accent:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
}

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

.btn-outline-light:hover {
  background: #FFFFFF;
  color: var(--color-primary);
  border-color: #FFFFFF;
  transform: translateY(-2px);
}

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

.btn-outline-dark:hover {
  background: var(--color-primary);
  color: #FFFFFF;
  transform: translateY(-2px);
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  right: 5%;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  z-index: 2;
}

.scroll-line {
  width: 2px;
  height: 40px;
  background: rgba(255, 255, 255, 0.3);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 50%;
  background: var(--color-accent-copper);
  animation: scrollAnim 2s infinite;
}

@keyframes scrollAnim {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(200%); }
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4.5rem;
  align-items: center;
}

.about-img-frame {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}

.about-img-frame img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
}

.about-lead {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.about-text {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.about-stats-mini {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.mini-stat-num {
  font-size: 2.25rem;
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--color-accent-copper);
}

.mini-stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

/* Services Grid (No Icons, High Photo Quality) */
.services-photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-photo-card {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.service-photo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-photo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(17,17,17,0.92) 0%, rgba(17,17,17,0.2) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  color: #FFFFFF;
  transition: var(--transition-smooth);
}

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

.service-photo-card:hover .service-photo-overlay {
  background: linear-gradient(to top, rgba(17,17,17,0.98) 0%, rgba(17,17,17,0.4) 100%);
}

.service-photo-card h3 {
  font-size: 1.4rem;
  color: #FFFFFF;
  margin-bottom: 0.5rem;
  transition: transform 0.4s ease;
}

.service-photo-card:hover h3 {
  transform: translateY(-6px);
}

.service-photo-card p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 1rem;
}

/* Projects Section (NEF Style Large Cards) */
.projects-nef-stack {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.nef-project-card {
  position: relative;
  height: 520px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
}

.nef-project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.nef-project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(17,17,17,0.92) 0%, rgba(17,17,17,0.1) 70%);
  display: flex;
  align-items: flex-end;
  padding: 3.5rem;
  color: #FFFFFF;
}

.nef-project-card:hover img {
  transform: scale(1.05);
}

.nef-project-info {
  max-width: 600px;
}

.nef-location {
  margin-bottom: 1rem;
  color: rgba(255, 255, 255, 0.85);
}

.nef-tag {
  display: inline-block;
  padding: 0.35rem 0.9rem;
  background: var(--color-accent-copper);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: 2px;
  margin-bottom: 1rem;
}

.nef-project-info h3 {
  font-size: 2.25rem;
  color: #FFFFFF;
  margin-bottom: 0.5rem;
}

/* Stats Section (Clean White) */
.stats-clean-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
  padding: 4rem 2rem;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.clean-stat-num {
  font-size: 3.5rem;
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.clean-stat-label {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

/* Timeline Construction Process */
.timeline-wrap {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  padding: 2rem 0;
}

.timeline-wrap::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: var(--color-border);
  transform: translateX(-50%);
}

.timeline-item {
  display: flex;
  justify-content: flex-end;
  padding-right: 50px;
  position: relative;
  margin-bottom: 3.5rem;
  width: 50%;
}

.timeline-item:nth-child(even) {
  align-self: flex-end;
  justify-content: flex-start;
  padding-right: 0;
  padding-left: 50px;
  margin-left: 50%;
}

.timeline-dot {
  position: absolute;
  top: 0;
  right: -9px;
  width: 18px;
  height: 18px;
  background: var(--color-accent-copper);
  border: 4px solid #FFFFFF;
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--color-accent-copper);
}

.timeline-item:nth-child(even) .timeline-dot {
  right: auto;
  left: -9px;
}

.timeline-box {
  background: #FFFFFF;
  padding: 2rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  box-shadow: 0 10px 30px rgba(0,0,0,0.03);
}

.timeline-step-num {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--color-accent-copper);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

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

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

.testimonial-card {
  background: #FFFFFF;
  padding: 2.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.testimonial-quote {
  font-size: 1rem;
  color: var(--color-secondary);
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author h5 {
  font-size: 1.05rem;
  margin-bottom: 0.2rem;
}

.testimonial-author span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Blog Section */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.blog-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.blog-img-wrap {
  aspect-ratio: 16/10;
  overflow: hidden;
}

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

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

.blog-content {
  padding: 1.75rem;
}

.blog-date {
  font-size: 0.8rem;
  color: var(--color-accent-copper);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.blog-item-title {
  margin-bottom: 0.5rem;
}

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

/* Contact CTA Banner */
.contact-cta-banner {
  background: linear-gradient(135deg, #111111 0%, #2F2F2F 100%);
  color: #FFFFFF;
  padding: 5rem 3rem;
  border-radius: var(--radius-sm);
  text-align: center;
}

.banner-title {
  font-size: 2.5rem;
  color: #FFFFFF;
  margin-bottom: 1rem;
}

.banner-desc {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 600px;
  margin: 0 auto 2rem auto;
}

/* Footer (Pure Minimal Black #111111) */
.footer {
  background: #111111;
  color: #FFFFFF;
  padding: 6rem 0 2.5rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3.5rem;
  margin-bottom: 4rem;
}

.footer-logo-wrap {
  margin-bottom: 1rem;
}

.footer-about-text {
  color: #999999;
  font-size: 0.9rem;
  max-width: 320px;
}

.footer-contact-item {
  color: #999999;
}

.footer-map-box {
  background: #222222;
  padding: 1rem;
  border-radius: 4px;
  font-size: 0.85rem;
  color: #999999;
}

.footer-col h5 {
  color: #FFFFFF;
  font-size: 1.15rem;
  margin-bottom: 1.5rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-links a {
  color: #999999;
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-accent-copper);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--color-border-dark);
  text-align: center;
  color: #777777;
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; }
  .services-photo-grid, .testimonials-grid, .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-clean-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .timeline-wrap::before { left: 20px; }
  .timeline-item { width: 100%; padding-left: 50px; padding-right: 0; margin-left: 0 !important; }
  .timeline-dot { left: 11px !important; }
}

@media (max-width: 768px) {
  .hero-title { font-size: 2.5rem; }
  .services-photo-grid, .testimonials-grid, .blog-grid, .stats-clean-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}