/* DATAGRAFYA · ortak stil */
:root {
  --navy-abyss: #050914;
  --navy-deep: #0A1628;
  --navy-base: #0F1F3D;
  --navy-mid: #1A2F54;
  --navy-light: #2C4474;
  --navy-glow: #4A6FA5;
  --parchment: #E8DFC9;
  --gold: #C9A961;
  --gold-dim: #9B7F3D;
  --cyan: #6FBCD4;
  --text: #EDF2F9;
  --text-dim: #A4B5CC;
  --text-muted: #5D738F;
  --grid-line: rgba(143, 163, 191, 0.07);
  --border: rgba(201, 169, 97, 0.18);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--navy-abyss);
  color: var(--text);
  font-family: 'Manrope', sans-serif;
  font-weight: 400;
  line-height: 1.65;
  overflow-x: hidden;
  min-height: 100vh;
  cursor: url("img/cursor.svg") 3 1, auto;
}

/* Cartographic grid background */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* Radial glow */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(74, 111, 165, 0.15), transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(201, 169, 97, 0.06), transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

/* ━━━━━━ NAVIGATION ━━━━━━ */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 2rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(5, 9, 20, 0.65);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text);
}

.nav-brand img {
  width: 38px;
  height: 38px;
  filter: brightness(1.25);
}

.nav-brand-name {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: 1.15rem;
  letter-spacing: 0.08em;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.3s;
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.3s;
}

.nav-links a:hover { color: var(--gold); }
.nav-links a:hover::after { width: 100%; }

/* ━━━━━━ HERO ━━━━━━ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 8rem 2rem 6rem;
}

.hero-inner {
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-text {
  animation: fadeInUp 1s ease both;
}

.coord-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 1.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.coord-label::before {
  content: "";
  width: 30px;
  height: 1px;
  background: var(--gold);
}

.hero h1 {
  font-family: 'Fraunces', serif;
  font-weight: 300;
  font-size: clamp(3rem, 8vw, 5.5rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  color: var(--text);
}

.hero h1 .italic {
  font-style: italic;
  font-weight: 300;
  color: var(--gold);
  font-variation-settings: "opsz" 144;
}

.hero-tagline {
  font-size: 1.15rem;
  color: var(--text-dim);
  margin-bottom: 2.5rem;
  max-width: 440px;
  line-height: 1.7;
}

.hero-coords {
  display: flex;
  gap: 2rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.hero-coords span { display: block; color: var(--cyan); font-size: 0.7rem; letter-spacing: 0.15em; margin-bottom: 0.2rem; }

.hero-logo {
  position: relative;
  animation: fadeIn 1.5s ease 0.3s both;
}

.hero-logo-frame {
  position: relative;
  aspect-ratio: 1;
  max-width: 520px;
  margin-left: auto;
}

.hero-logo-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 0 60px rgba(74, 111, 165, 0.3));
}

.hero-logo-frame::before,
.hero-logo-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid var(--border);
  border-radius: 50%;
  pointer-events: none;
}

.hero-logo-frame::before {
  transform: scale(1.1);
  border-style: dashed;
  opacity: 0.4;
}

.hero-logo-frame::after {
  transform: scale(1.2);
  border-style: dotted;
  opacity: 0.2;
}

/* Compass marks on logo */
.compass-marks {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.compass-marks span {
  position: absolute;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--gold);
  letter-spacing: 0.15em;
}
.compass-marks .n { top: -8px; left: 50%; transform: translateX(-50%); }
.compass-marks .e { right: -18px; top: 50%; transform: translateY(-50%); }
.compass-marks .s { bottom: -8px; left: 50%; transform: translateX(-50%); }
.compass-marks .w { left: -18px; top: 50%; transform: translateY(-50%); }

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--text-muted);
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  animation: bounce 2.5s ease-in-out infinite;
}

.scroll-indicator::after {
  content: "";
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--gold), transparent);
}

/* ━━━━━━ SECTION HEADER ━━━━━━ */
.section {
  padding: 7rem 2rem;
  position: relative;
}

.section-header {
  max-width: 1280px;
  margin: 0 auto 5rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.section-label::before {
  content: "";
  width: 40px;
  height: 1px;
  background: var(--gold);
}

.section-title {
  font-family: 'Fraunces', serif;
  font-weight: 300;
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text);
}

.section-title em {
  color: var(--gold);
  font-style: italic;
  font-weight: 300;
}

.section-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-align: right;
  line-height: 1.8;
}

.section-meta span { color: var(--cyan); }

/* ━━━━━━ ABOUT ━━━━━━ */
.about {
  background: linear-gradient(180deg, transparent 0%, rgba(10, 22, 40, 0.4) 100%);
}

.about-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 5rem;
  align-items: start;
}

.about-card {
  padding: 2.5rem;
  background: rgba(15, 31, 61, 0.35);
  border: 1px solid var(--border);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.about-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.about-card-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.about-name {
  font-family: 'Fraunces', serif;
  font-weight: 300;
  font-size: 2.25rem;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 1.5rem;
}

.about-name em {
  font-style: italic;
  color: var(--gold);
}

.about-details {
  list-style: none;
  padding: 0;
  margin-top: 2rem;
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
}

.about-details li {
  display: flex;
  justify-content: space-between;
  padding: 0.65rem 0;
  font-size: 0.9rem;
  border-bottom: 1px dashed rgba(201, 169, 97, 0.1);
}

.about-details li:last-child { border-bottom: none; }

.about-details .label {
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.about-details .value {
  color: var(--text);
  font-weight: 500;
}

.about-text {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-dim);
}

.about-text p + p { margin-top: 1.5rem; }

.about-text .lead {
  font-family: 'Fraunces', serif;
  font-size: 1.5rem;
  font-weight: 300;
  line-height: 1.5;
  color: var(--text);
  font-style: italic;
  margin-bottom: 2rem;
}

/* ━━━━━━ MAPS ━━━━━━ */
.maps-intro {
  max-width: 880px;
  margin: 0 auto 5rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--border);
}

.maps-intro-title {
  font-family: 'Fraunces', serif;
  font-weight: 300;
  font-size: clamp(1.6rem, 3.5vw, 2.1rem);
  line-height: 1.25;
  color: var(--text);
  margin-bottom: 2.25rem;
  letter-spacing: -0.01em;
  padding-left: 1.25rem;
  border-left: 2px solid var(--gold);
}

.maps-intro-title em {
  font-style: italic;
  font-weight: 300;
  color: var(--gold);
}

.maps-intro p {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
}

.maps-intro p:last-child {
  margin-bottom: 0;
}

.maps-intro-secondary {
  margin-top: 6rem;
  padding-top: 4rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* Proje Vitrin (Mapster vb.) */
.project-showcase {
  max-width: 1280px;
  margin: 0 auto;
  text-align: center;
}

.project-link-btn {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--navy-deep);
  background: var(--gold);
  padding: 0.9rem 2rem;
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  margin-bottom: 2rem;
}

.project-link-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -10px rgba(201, 169, 97, 0.45);
}

.project-gallery-note {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-top: 1rem;
}

/* Mapster Carousel */
.mapster-carousel {
  position: relative;
  max-width: 340px;
  margin: 0 auto;
}

.mapster-carousel-track {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--navy-deep);
}

.mapster-carousel-track::-webkit-scrollbar { display: none; }

.mapster-slide {
  flex: 0 0 100%;
  scroll-snap-align: center;
  position: relative;
  aspect-ratio: 375 / 817;
}

.mapster-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(5, 9, 20, 0.75);
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 1.3rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s;
  backdrop-filter: blur(4px);
}

.carousel-arrow:hover {
  background: var(--gold);
  color: var(--navy-deep);
}

.carousel-arrow.prev { left: -18px; }
.carousel-arrow.next { right: -18px; }

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
  cursor: pointer;
  transition: background 0.3s, transform 0.3s;
}

.carousel-dot.active {
  background: var(--gold);
  transform: scale(1.3);
}

/* Çalışmalar akordiyon */
.section-toggle {
  cursor: pointer;
  user-select: none;
}

.section-toggle-hint {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  white-space: nowrap;
}

.section-toggle-chevron {
  display: inline-block;
  font-size: 1.1rem;
  transition: transform 0.4s ease;
  line-height: 1;
}

.section-toggle.open .section-toggle-chevron {
  transform: rotate(180deg);
}

.section-toggle.open .section-toggle-text::after {
  content: "";
}

.section-collapsible {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.6s ease;
}

/* İş Şeması (workflow) */
.workflow-diagram {
  display: flex;
  align-items: stretch;
  gap: 1rem;
  margin: 2.25rem 0 1.5rem;
  flex-wrap: wrap;
}

.workflow-step {
  flex: 1 1 200px;
  background: rgba(15, 31, 61, 0.4);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.25rem 1.25rem 1.5rem;
}

.workflow-step-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  color: var(--gold);
  margin-bottom: 0.6rem;
}

.workflow-step h4 {
  font-family: 'Fraunces', serif;
  font-weight: 400;
  font-size: 1.05rem;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.workflow-step p {
  font-size: 0.83rem;
  line-height: 1.6;
  color: var(--text-dim);
}

.workflow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 1.4rem;
  flex: 0 0 auto;
}

@media (max-width: 700px) {
  .workflow-arrow { transform: rotate(90deg); margin: -0.25rem 0; }
}

/* Kat Galerisi */
.kat-gallery-wrapper {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem 0;
}

.kat-gallery-header {
  margin-bottom: 2.5rem;
  max-width: 800px;
}

.kat-gallery-header .map-number {
  margin-bottom: 1rem;
}

.kat-gallery-header .map-title {
  font-size: 1.85rem;
  margin-bottom: 1.25rem;
}

.kat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.kat-item {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--navy-deep);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  cursor: zoom-in;
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.3s, box-shadow 0.3s;
}

.kat-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s, opacity 0.3s;
  opacity: 0.92;
}

.kat-item:hover {
  transform: translateY(-3px);
  border-color: var(--gold);
  box-shadow: 0 15px 35px -10px rgba(201, 169, 97, 0.25);
}

.kat-item:hover img {
  transform: scale(1.04);
  opacity: 1;
}

.kat-label {
  position: absolute;
  bottom: 0.65rem;
  left: 0.65rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--gold);
  background: rgba(5, 9, 20, 0.85);
  padding: 0.35rem 0.7rem;
  border: 1px solid rgba(201, 169, 97, 0.3);
  border-radius: 2px;
  text-transform: uppercase;
  backdrop-filter: blur(4px);
}

.kat-gallery-credit {
  margin-top: 2rem;
  text-align: right;
  border-top: 1px dashed rgba(201, 169, 97, 0.15);
  padding-top: 1rem;
}

@media (max-width: 900px) {
  .kat-grid { grid-template-columns: repeat(3, 1fr); }
  .maps-intro-secondary { margin-top: 4rem; padding-top: 2.5rem; }
}
@media (max-width: 600px) {
  .kat-grid { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
}

.maps-list {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 6rem;
}

.map-card {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.map-card:nth-child(even) {
  grid-template-columns: 1fr 1.3fr;
}

.map-card:nth-child(even) .map-image {
  order: 2;
}

.map-image {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  border: 1px solid var(--border);
  cursor: zoom-in;
  background: var(--navy-deep);
  box-shadow: 0 25px 60px -20px rgba(0,0,0,0.5);
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.4s;
}

.map-image:hover {
  transform: translateY(-4px);
  box-shadow: 0 35px 80px -20px rgba(0,0,0,0.7);
}

.map-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s;
}

.map-image:hover img { transform: scale(1.02); }

.map-corner {
  position: absolute;
  width: 22px;
  height: 22px;
  border: 1.5px solid var(--gold);
  pointer-events: none;
  z-index: 2;
}
.map-corner.tl { top: 0.85rem; left: 0.85rem; border-right: none; border-bottom: none; }
.map-corner.tr { top: 0.85rem; right: 0.85rem; border-left: none; border-bottom: none; }
.map-corner.bl { bottom: 0.85rem; left: 0.85rem; border-right: none; border-top: none; }
.map-corner.br { bottom: 0.85rem; right: 0.85rem; border-left: none; border-top: none; }

.map-info {
  padding: 1rem 0;
}

.map-number {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 1rem;
}

.map-title {
  font-family: 'Fraunces', serif;
  font-weight: 300;
  font-size: 2rem;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}

.map-title em {
  font-style: italic;
  color: var(--gold);
}

.map-description {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
}

.map-analysis {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-dim);
  padding: 1.25rem 1.4rem;
  background: rgba(15, 31, 61, 0.4);
  border-left: 2px solid var(--gold);
  border-radius: 2px;
  margin-bottom: 1.5rem;
}

.map-analysis strong {
  color: var(--gold);
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-style: italic;
  letter-spacing: 0.01em;
}

.map-specs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.map-spec {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.map-spec-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.map-spec-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--text);
}

.map-credit {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px dashed rgba(201, 169, 97, 0.15);
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 0.82rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  line-height: 1.6;
}

/* ━━━━━━ CONTACT ━━━━━━ */
.contact {
  padding: 8rem 2rem;
  text-align: center;
  background: linear-gradient(180deg, transparent 0%, rgba(15, 31, 61, 0.4) 100%);
  position: relative;
}

.contact-inner {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.contact-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.35em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 1.75rem;
  display: inline-flex;
  align-items: center;
  gap: 1rem;
}

.contact-label::before,
.contact-label::after {
  content: "";
  width: 40px;
  height: 1px;
  background: var(--gold);
}

.contact-title {
  font-family: 'Fraunces', serif;
  font-weight: 300;
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 2.5rem;
}

.contact-title em {
  font-style: italic;
  color: var(--gold);
}

.contact-email {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(1rem, 2.2vw, 1.35rem);
  color: var(--text);
  text-decoration: none;
  padding: 1.1rem 2.5rem;
  border: 1px solid var(--border);
  background: rgba(15, 31, 61, 0.4);
  letter-spacing: 0.05em;
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.contact-email::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(201, 169, 97, 0.15), transparent);
  transition: left 0.6s;
}

.contact-email:hover {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px -10px rgba(201, 169, 97, 0.3);
}

.contact-email:hover::before { left: 100%; }

/* Contact Grid - 4 kart */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  max-width: 920px;
  margin: 0 auto;
}

.contact-item:first-child {
  grid-column: 1 / -1;
}

.contact-item {
  display: block;
  text-decoration: none;
  padding: 1.5rem 1.75rem;
  background: rgba(15, 31, 61, 0.4);
  border: 1px solid var(--border);
  border-radius: 4px;
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  text-align: left;
  position: relative;
  overflow: hidden;
}

.contact-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 100%;
  background: var(--gold);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.contact-item:hover {
  border-color: var(--gold);
  background: rgba(15, 31, 61, 0.65);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px -10px rgba(201, 169, 97, 0.25);
}

.contact-item:hover::before {
  transform: scaleY(1);
}

.contact-item-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.25em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  transition: color 0.3s;
}

.contact-item:hover .contact-item-label {
  color: var(--cyan);
}

.contact-item-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(0.85rem, 2.6vw, 1rem);
  color: var(--text);
  letter-spacing: 0.01em;
  transition: color 0.3s;
  white-space: nowrap;
  overflow: visible;
}

.contact-item:hover .contact-item-value {
  color: var(--gold);
}

@media (max-width: 600px) {
  .contact-grid { grid-template-columns: 1fr; }
  .contact-item { padding: 1.25rem 1.5rem; }
  .contact-item-value { font-size: clamp(0.72rem, 4.2vw, 0.92rem); white-space: nowrap; }
}

/* ━━━━━━ FOOTER ━━━━━━ */
footer {
  padding: 3rem 2rem 2rem;
  border-top: 1px solid var(--border);
  text-align: center;
  position: relative;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-brand img {
  width: 28px;
  height: 28px;
  opacity: 0.9;
}

.footer-brand-name {
  font-family: 'Fraunces', serif;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  font-size: 0.9rem;
}

.footer-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.15em;
}

/* ━━━━━━ LIGHTBOX ━━━━━━ */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(5, 9, 20, 0.96);
  backdrop-filter: blur(8px);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  cursor: zoom-out;
  animation: fadeIn 0.3s ease;
}

.lightbox.active { display: flex; }

.lightbox img {
  max-width: 95vw;
  max-height: 92vh;
  object-fit: contain;
  border: 1px solid var(--border);
  box-shadow: 0 30px 80px rgba(0,0,0,0.6);
}

.lightbox-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--gold);
  letter-spacing: 0.2em;
  cursor: pointer;
  padding: 0.5rem 1rem;
  border: 1px solid var(--gold);
  background: transparent;
  text-transform: uppercase;
}

.lightbox-close:hover {
  background: var(--gold);
  color: var(--navy-deep);
}

/* ━━━━━━ ANIMATIONS ━━━━━━ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slowRotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

/* ━━━━━━ RESPONSIVE ━━━━━━ */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-logo-frame { margin: 0 auto; max-width: 320px; }
  .coord-label { justify-content: center; }
  .hero-coords { justify-content: center; }
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .map-card,
  .map-card:nth-child(even) { grid-template-columns: 1fr; gap: 2rem; }
  .map-card:nth-child(even) .map-image { order: 0; }
  .section { padding: 5rem 1.25rem; }
  .section-header { flex-direction: column; align-items: flex-start; margin-bottom: 3rem; }
  .section-meta { text-align: left; }
  .hero { padding: 7rem 1.25rem 5rem; }
  .contact { padding: 5rem 1.25rem; }
  .footer-inner { flex-direction: column; gap: 1rem; }
}

@media (max-width: 500px) {
  nav { padding: 1rem 1.25rem; }
  .nav-brand-name { font-size: 1rem; letter-spacing: 0.05em; }
  .about-card { padding: 1.75rem; }
  .contact-email { padding: 0.9rem 1.5rem; font-size: 0.9rem; }
  .contact-label { font-size: 0.65rem; letter-spacing: 0.2em; }
  .contact-label::before, .contact-label::after { width: 20px; }
}

/* ━━━━━━ DATAGRAFYA 2.0 · ÇOK SAYFALI YAPI ━━━━━━ */

/* Nav: aktif bağlantı ve mobil menü */
.nav-links a.active { color: var(--gold); }
.nav-links a.active::after { width: 100%; }

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--gold);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.55rem 0.9rem;
  border-radius: 2px;
  cursor: pointer;
}

@media (max-width: 900px) {
  .nav-toggle { display: inline-block; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 1.5rem 2rem 1.75rem;
    background: rgba(5, 9, 20, 0.97);
    border-bottom: 1px solid var(--border);
  }
}

/* Sayfa başlığı (alt sayfalar) */
.page-hero {
  padding: 10rem 2rem 4rem;
  position: relative;
}

.page-hero-inner {
  max-width: 1280px;
  margin: 0 auto;
  animation: fadeInUp 0.9s ease both;
}

.breadcrumb {
  display: flex;
  width: fit-content;
  align-items: center;
  gap: 0.6rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  margin-bottom: 2.5rem;
  transition: color 0.3s;
}

.breadcrumb:hover { color: var(--gold); }

.page-title {
  font-family: 'Fraunces', serif;
  font-weight: 300;
  font-size: clamp(2.6rem, 6vw, 4.75rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--text);
  max-width: 16ch;
}

.page-title em {
  font-style: italic;
  color: var(--gold);
  font-variation-settings: "opsz" 144;
}

.page-lead {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--text-dim);
  max-width: 760px;
  margin: 1.75rem 0 2.75rem;
}

.project-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1.25rem 2rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.25rem;
}

.btn,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.9rem 1.6rem;
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.btn {
  color: var(--navy-deep);
  background: var(--gold);
  border: 1px solid var(--gold);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -10px rgba(201, 169, 97, 0.45);
}

.btn-ghost {
  color: var(--gold);
  border: 1px solid var(--border);
  background: rgba(15, 31, 61, 0.35);
}

.btn-ghost:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.btn small {
  font-size: 0.68rem;
  opacity: 0.7;
  letter-spacing: 0.05em;
}

.btn-ghost small {
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* Proje gövdesi */
.project-body { padding-top: 3rem; }

.section-block {
  max-width: 1280px;
  margin: 0 auto 6rem;
}

/* Rakam şeridi */
.stat-strip {
  max-width: 1280px;
  margin: 0 auto 6rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat {
  padding-left: 1.25rem;
  border-left: 1px solid var(--gold);
}

.stat-num {
  font-family: 'Fraunces', serif;
  font-weight: 300;
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1;
  color: var(--gold);
  margin-bottom: 0.7rem;
}

.stat-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  line-height: 1.6;
}

/* İki sütunlu bilgi blokları */
.info-grid {
  max-width: 1280px;
  margin: 6rem auto 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.info-card {
  padding: 2.25rem;
  background: rgba(15, 31, 61, 0.35);
  border: 1px solid var(--border);
  border-radius: 4px;
}

.info-card h3 {
  font-family: 'Fraunces', serif;
  font-weight: 300;
  font-size: 1.6rem;
  color: var(--text);
  margin-bottom: 1.25rem;
}

.info-card h3 em { font-style: italic; color: var(--gold); }

.info-list {
  list-style: none;
  padding: 0;
}

.info-list li {
  position: relative;
  padding: 0.7rem 0 0.7rem 1.4rem;
  font-size: 0.93rem;
  line-height: 1.65;
  color: var(--text-dim);
  border-bottom: 1px dashed rgba(201, 169, 97, 0.12);
}

.info-list li:last-child { border-bottom: none; }

.info-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.25rem;
  width: 6px;
  height: 6px;
  background: var(--gold);
  transform: rotate(45deg);
}

.info-list a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(111, 188, 212, 0.3);
}

.info-list a:hover { color: var(--gold); border-color: var(--gold); }

/* Çalışma kartları */
.work-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.work-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  background: rgba(15, 31, 61, 0.35);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.3s, box-shadow 0.35s;
}

.work-card:hover {
  transform: translateY(-5px);
  border-color: var(--gold);
  box-shadow: 0 25px 50px -20px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(201, 169, 97, 0.15);
}

.work-card-img {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--navy-deep);
}

.work-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.92;
  transition: transform 0.6s, opacity 0.4s;
}

.work-card-img.top img { object-position: top; }

.work-card:hover .work-card-img img {
  transform: scale(1.04);
  opacity: 1;
}

.work-card-body {
  padding: 1.5rem 1.6rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  flex: 1;
}

.work-card-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

.work-card-meta span { color: var(--cyan); }

.work-card-title {
  font-family: 'Fraunces', serif;
  font-weight: 300;
  font-size: 1.45rem;
  line-height: 1.2;
  color: var(--text);
}

.work-card-title em { font-style: italic; color: var(--gold); }

.work-card-body p {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--text-dim);
}

.work-card-link {
  margin-top: auto;
  padding-top: 0.75rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.3s;
}

.work-card:hover .work-card-link { color: var(--gold); }

.work-card-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--navy-deep);
  background: var(--gold);
  padding: 0.35rem 0.7rem;
  border-radius: 2px;
  z-index: 2;
}

.work-card--feature {
  grid-column: 1 / -1;
  flex-direction: row;
}

.work-card--feature .work-card-img {
  flex: 0 0 58%;
  aspect-ratio: auto;
  min-height: 380px;
}

.work-card--feature .work-card-body {
  padding: 2.5rem 2.75rem;
  justify-content: center;
  gap: 0.9rem;
}

.work-card--feature .work-card-title { font-size: clamp(1.8rem, 3vw, 2.4rem); }

.work-card--feature .work-card-body p { font-size: 1rem; }

.work-more {
  max-width: 1280px;
  margin: 3rem auto 0;
  display: flex;
  justify-content: center;
}

/* Önceki / sonraki proje */
.project-nav {
  max-width: 1280px;
  margin: 7rem auto 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
}

.project-nav a {
  display: block;
  text-decoration: none;
  padding: 1.5rem 1.75rem;
  background: rgba(15, 31, 61, 0.35);
  border: 1px solid var(--border);
  border-radius: 4px;
  transition: all 0.3s;
}

.project-nav a:hover {
  border-color: var(--gold);
  transform: translateY(-3px);
}

.project-nav .next { text-align: right; }

.project-nav-label {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.project-nav-title {
  font-family: 'Fraunces', serif;
  font-weight: 300;
  font-size: 1.3rem;
  color: var(--text);
}

.project-nav a:hover .project-nav-title { color: var(--gold); }

/* Taşınan bölümler için */
.project-body .maps-intro { margin-bottom: 4rem; }
.project-body .maps-intro + .maps-intro { margin-top: 0; }
.project-body .maps-list + .maps-intro { margin-top: 7rem; padding-top: 4rem; border-top: 1px solid var(--border); }

@media (max-width: 900px) {
  .page-hero { padding: 8rem 1.25rem 3rem; }
  .work-grid { grid-template-columns: repeat(2, 1fr); }
  .work-card--feature { flex-direction: column; }
  .work-card--feature .work-card-img { flex: none; min-height: 0; aspect-ratio: 16 / 10; }
  .work-card--feature .work-card-body { padding: 1.75rem 1.6rem 2rem; }
  .stat-strip { grid-template-columns: repeat(2, 1fr); gap: 2rem 1.5rem; }
  .info-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .project-nav { grid-template-columns: 1fr; }
  .project-nav .next { text-align: left; }
}

@media (max-width: 700px) {
  .workflow-diagram { flex-direction: column; }
  .workflow-step { flex: 1 1 auto; }
  .workflow-arrow { align-self: center; }
}

@media (max-width: 600px) {
  .work-grid { grid-template-columns: 1fr; }
  .info-card { padding: 1.6rem; }
  .btn, .btn-ghost { width: 100%; justify-content: center; }
}