:root{
  --bg: #0a0a0f;
  --fg: #ffffff;
  --muted: #a1a1aa;
  --card: rgba(255, 255, 255, 0.05);
  --line: rgba(255, 255, 255, 0.1);
  --accent: #8b5cf6;
  --accent-2: #a78bfa;
  --accent-3: #c4b5fd;
  --glass: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 20px 40px rgba(139, 92, 246, 0.15);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  scroll-behavior: smooth;
  line-height: 1.6;
  overflow-x: hidden;
}

/* UNDER CONSTRUCTION: hide page scroll and content when active */
html.under-construction, html.under-construction body { overflow: hidden; }
html.under-construction body > *:not(.under-construction-overlay) { filter: blur(6px); pointer-events: none; user-select: none; }

/* UNDER CONSTRUCTION overlay */
.under-construction-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: radial-gradient(800px 800px at 20% 20%, rgba(139, 92, 246, 0.15), transparent 60%),
              radial-gradient(600px 600px at 80% 60%, rgba(167, 139, 250, 0.12), transparent 60%),
              rgba(10,10,15,0.95);
  display: grid;
  place-items: center;
  padding: 24px;
}

.under-construction-overlay .uc-card {
  text-align: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 36px 28px;
  box-shadow: var(--shadow);
  max-width: 520px;
}

.under-construction-overlay .uc-logo { height: 56px; margin: 0 auto 14px; display: block; }
.under-construction-overlay h1 { font-size: 2rem; margin-bottom: 10px; letter-spacing: -0.01em; }
.under-construction-overlay p { opacity: .9; margin: 0 0 18px; }

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.3s ease;
}

img {
  max-width: 100%;
  display: block;
  border-radius: 12px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

/* NAVBAR */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: all 0.3s ease;
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.5px;
  font-size: 1.2rem;
}

.brand .dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: conic-gradient(var(--accent), var(--accent-2), var(--accent-3));
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.6);
  animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.2); }
}

.nav {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-sep{
  display:inline-block;
  width:2px;
  height:22px;
  background: var(--accent);
  opacity: .9;
  margin: 0 6px;
  border-radius: 2px;
}

/* Emphasize the "Projenizi Başlatın" link in navbar (text accent only) */
.nav a[href="#quote"]{
  color: var(--accent);
  background: transparent;
  border: none;
  box-shadow: none;
}

.nav a[href="#quote"]:hover{
  color: var(--accent-2);
  transform: none;
  box-shadow: none;
}

.nav a {
  position: relative;
  padding: 8px 4px;
  font-weight: 500;
  transition: all 0.3s ease;
  opacity: 0.92;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.3s ease;
  border-radius: 2px;
}

.nav a:hover::after, .nav a.active::after {
  width: 100%;
}

.nav a:hover { color: var(--accent-2); opacity: 1; }

.burger {
  display: none;
  width: 48px;
  height: 40px;
  border: 1px solid var(--glass-border);
  background: var(--glass);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.burger:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent);
}

.burger span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 6px auto;
  background: var(--fg);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* HERO */
.hero {
  position: relative;
  min-height: 90vh;
  display: grid;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(800px 800px at 20% 20%, rgba(139, 92, 246, 0.15), transparent 60%),
    radial-gradient(600px 600px at 80% 60%, rgba(167, 139, 250, 0.12), transparent 60%),
    radial-gradient(400px 400px at 50% 80%, rgba(196, 181, 253, 0.1), transparent 60%);
  filter: blur(60px);
  opacity: 0.8;
  pointer-events: none;
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(1deg); }
}

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

.title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.1;
  margin: 0 0 20px 0;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.subtitle {
  opacity: 0.9;
  max-width: 720px;
  margin: 0 0 32px 0;
  font-size: 1.2rem;
  line-height: 1.6;
}

.grad {
  background: linear-gradient(135deg, var(--accent), var(--accent-2), var(--accent-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 200% 200%;
  animation: gradient-shift 3s ease-in-out infinite;
}

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  border-radius: 50px;
  border: 1px solid var(--glass-border);
  background: var(--glass);
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s ease;
}

.btn:hover::before {
  left: 100%;
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #ffffff;
  border: none;
  box-shadow: var(--shadow);
}

.btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn.ghost {
  background: rgba(237, 234, 234, 0.948);
  border-color: rgba(255, 255, 255, 0.2);
}

  .btn.ghost:hover {
    background: rgba(246, 243, 243, 0.908);
    border-color: var(--accent);
    transform: translateY(-2px);
  }

  /* Scroll Indicator */
  .scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    opacity: 0.7;
    animation: bounce 2s infinite;
  }

  .scroll-arrow {
    width: 2px;
    height: 30px;
    background: linear-gradient(to bottom, var(--accent), transparent);
    border-radius: 2px;
    position: relative;
  }

  .scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -3px;
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--accent);
    border-bottom: 2px solid var(--accent);
    transform: rotate(45deg);
  }

  .scroll-indicator span {
    font-size: 0.9rem;
    opacity: 0.8;
    font-weight: 500;
  }

  @keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
  }

/* ABOUT */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: center;
}

.card {
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  background: var(--card);
  backdrop-filter: blur(20px);
  transition: all 0.3s ease;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(139, 92, 246, 0.3);
}

.card.photo {
  overflow: hidden;
  aspect-ratio: 3/4;
  width: 94%;
  margin: 0 auto;
}

.card.photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.5s ease;
}

.card.photo:hover img {
  transform: scale(1.05);
}

.about h2 {
  font-size: 2.5rem;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--fg), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.about p {
  margin-bottom: 20px;
  font-size: 1.1rem;
  line-height: 1.7;
  opacity: 0.9;
}

.about-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.fact {
  text-align: center;
  padding: 20px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 16px;
  border: 1px solid var(--glass-border);
}

.fact b {
  display: block;
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 8px;
}

.fact span {
  font-size: 0.9rem;
  opacity: 0.8;
}

/* PROJECTS */
.section-head {
  text-align: center;
  margin-bottom: 48px;
}

.section-head h2 {
  font-size: 2.5rem;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--fg), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-head p {
  font-size: 1.2rem;
  opacity: 0.8;
  max-width: 600px;
  margin: 0 auto;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.card.project {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.4s ease;
}

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

.card.project .overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 8px;
  padding: 24px;
  background: linear-gradient(180deg, 
    rgba(0, 0, 0, 0) 0%, 
    rgba(0, 0, 0, 0.3) 50%, 
    rgba(0, 0, 0, 0.8) 100%);
  transition: all 0.4s ease;
  opacity: 0;
}

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

.card.project:hover img {
  transform: scale(1.1);
}

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

  .card.project .overlay h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    transform: translateY(20px);
    transition: transform 0.4s ease;
  }

  .card.project .overlay p {
    opacity: 0.9;
    font-size: 1rem;
    transform: translateY(20px);
    transition: transform 0.4s ease 0.1s;
  }

  .card.project:hover .overlay h3,
  .card.project:hover .overlay p {
    transform: translateY(0);
  }

  /* Project card category badge */
  .card.project::before {
    content: '';
    position: absolute;
    top: 20px;
    right: 20px;
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0;
    transform: scale(0);
    transition: all 0.3s ease;
    z-index: 2;
  }

  .card.project:hover::before {
    opacity: 1;
    transform: scale(1);
  }

/* SERVICES */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.card.service {
  padding: 32px;
  text-align: center;
  transition: all 0.3s ease;
}

.card.service:hover {
  background: rgba(139, 92, 246, 0.05);
  border-color: var(--accent);
}

.card.service h3 {
  font-size: 1.4rem;
  margin-bottom: 16px;
  color: var(--accent-2);
}

.card.service p {
  opacity: 0.8;
  line-height: 1.6;
}

/* CONTACT */
.contact h2 {
  font-size: 2.5rem;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--fg), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.contact p {
  font-size: 1.2rem;
  margin-bottom: 32px;
  opacity: 0.9;
}

.contact .contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.contact .contact-list li {
  margin: 16px 0;
  opacity: 0.9;
  display: flex;
  align-items: center;
  gap: 12px;
}

.contact .contact-list a {
  color: var(--accent-2);
  transition: color 0.3s ease;
}

.contact .contact-list a:hover {
  color: var(--accent);
}

.form {
  display: grid;
  gap: 20px;
  padding: 32px;
}

.form label {
  display: grid;
  gap: 8px;
  font-weight: 500;
}

.form input, .form textarea {
  padding: 16px;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--fg);
  font-size: 1rem;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.form input:focus, .form textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--glass-border);
  padding: 32px 0;
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(20px);
}

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

.to-top {
  border: 1px solid var(--glass-border);
  padding: 12px 16px;
  border-radius: 12px;
  background: var(--glass);
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.to-top:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* REVEAL ANIMATIONS */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.show {
  opacity: 1;
  transform: none;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .container {
    padding: 0 20px;
  }
  
  .section {
    padding: 80px 0;
  }
  
  .grid-2 {
    gap: 40px;
  }
  
  .about-facts {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}

@media (max-width: 900px) {
  .grid-2 {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .title {
    font-size: clamp(2rem, 4vw, 3rem);
  }
  
  .navbar .nav {
    display: none;
    position: absolute;
    right: 20px;
    top: 80px;
    background: rgba(20, 19, 26, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 20px;
    flex-direction: column;
    gap: 16px;
    min-width: 200px;
    box-shadow: var(--shadow);
  }

  .nav-sep{width:100%;height:1px;margin:6px 0;background: var(--accent)}
  
  .navbar .nav.open {
    display: flex;
  }
  
  .burger {
    display: inline-block;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }
  
  .btn {
    text-align: center;
    justify-content: center;
  }
  
  .about-facts {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .container {
    padding: 0 16px;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .cards {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .service-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .about-facts {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .title {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  }
  
  .section-head h2 {
    font-size: 2rem;
  }
  
  .contact h2, .about h2 {
    font-size: 2rem;
  }

  .scroll-indicator {
    bottom: 20px;
  }

  .scroll-indicator span {
    font-size: 0.8rem;
  }

  .hero-cta {
    gap: 12px;
  }

  .btn {
    padding: 14px 20px;
    font-size: 0.95rem;
  }
}

@media (max-width: 480px) {
  .hero {
    min-height: 80vh;
  }
  
  .title {
    font-size: clamp(1.6rem, 3vw, 2rem);
  }
  
  .subtitle {
    font-size: 1rem;
  }
  
  .section {
    padding: 50px 0;
  }
  
  .card.service {
    padding: 24px 20px;
  }
  
  .form {
    padding: 24px 20px;
  }
}

/* QUOTE / UPLOADER */
.quote .form {
  gap: 24px;
}

.form-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px
}

.uploader{display:grid;gap:12px}
.dropzone{
  border:1px dashed var(--glass-border);
  border-radius:16px;
  background:rgba(255,255,255,0.03);
  padding:24px;
  text-align:center;
  transition:all .25s ease;
}
.dropzone.dragover{
  border-color:var(--accent);
  background:rgba(139,92,246,0.06);
}
.dz-instructions{display:grid;gap:10px;justify-items:center}
.dz-instructions small{opacity:.7}

.previews{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px}
.preview{
  position:relative;border:1px solid var(--glass-border);border-radius:12px;overflow:hidden;background:var(--card)
}
.preview img{width:100%;height:120px;object-fit:cover;display:block}
.preview .meta{display:flex;align-items:center;justify-content:space-between;padding:8px 10px;font-size:.85rem}
.preview .remove{
  position:absolute;top:8px;right:8px;border:none;background:rgba(0,0,0,.5);color:#fff;border-radius:999px;width:28px;height:28px;cursor:pointer
}

.send-options{display:flex;align-items:center;gap:12px;justify-content:space-between}
.send-via{display:flex;align-items:center;gap:8px}

@media(max-width:700px){
  .previews{grid-template-columns:repeat(2,1fr)}
}

/* Logo size tweak to prevent overflow */
.brand .logo{height:30px}
@media(max-width:900px){.brand .logo{height:26px}}

/* Navbar brand positioning and logo size per request */
.navbar .container{padding-left:0}
.brand .logo{height:60px}
@media(max-width:900px){
  .brand .logo{height:48px}
}

/* Logo hover: only whiten (no glow, no move) */
.brand::after{display:none !important}
.brand .logo{transition:filter .2s ease, -webkit-filter .2s ease}
.brand:hover .logo{filter:brightness(1.12) contrast(1.05) !important}

/* Navbar actions */
.nav-actions{display:flex;align-items:center;gap:10px}
.btn.small{padding:8px 12px;font-size:.9rem;border-radius:10px}
@media(max-width:900px){.nav-actions{gap:8px}.btn.small{padding:8px 10px;font-size:.85rem}}

/* Language toggle color to match site white */
#lang-toggle{color:var(--fg-dim) !important;border-color:var(--glass-border)}
#lang-toggle:hover{color:var(--accent-2) !important}

/* Hover: only color change for language toggle and hero ghost button */
#lang-toggle{color:var(--fg-dim)}
#lang-toggle:hover{color:var(--accent-2);background:transparent;border-color:var(--glass-border);transform:none}

/* Make language toggle and hero 'Teklif Al' match primary button */
#lang-toggle{
  background: linear-gradient(135deg, var(--accent), var(--accent-2)) !important;
  color:#ffffff !important;
  border:none !important;
  box-shadow: var(--shadow);
}
#lang-toggle:hover{
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

/* Emphasize the hero 'Teklif Al' button */
.hero .btn.ghost{
  padding: 18px 26px;
  box-shadow: 0 10px 28px rgba(139, 92, 246, 0.35);
  position: relative;
  animation: heroCTAglow 2.6s ease-in-out infinite;
}
.hero .btn.ghost:hover{
  box-shadow: 0 14px 36px rgba(139, 92, 246, 0.45);
}
@keyframes heroCTAglow{
  0%,100%{ box-shadow: 0 10px 28px rgba(139, 92, 246, 0.30); transform: translateY(0) }
  50%{ box-shadow: 0 14px 40px rgba(139, 92, 246, 0.45); transform: translateY(-1px) }
}

/* Hero 'Teklif Al' button text color to black */
.hero .btn.ghost, .hero .btn.ghost:hover{color:#0f0f12 !important}

/* Fix lang toggle text color to stay same on hover */
#lang-toggle, #lang-toggle:hover{color:var(--fg) !important}