/* ==========================================================================
   NOVA MİMARLIK — ARCHITECTURAL DESIGN SYSTEM & STYLESHEET
   Aesthetics: Apple Discipline + Dezeen / ArchDaily / Kinfolk Editorial
   ========================================================================== */

:root {
  --bg-primary: #F3F0E9;
  --bg-surface: #FCFCFA;
  --bg-elevated: #FFFFFF;
  --bg-dark: #171714;
  --bg-dark-surface: #22221E;
  
  --text-primary: #171714;
  --text-secondary: #4A4841;
  --text-muted: #7E7B70;
  --text-inverted: #FCFCFA;
  --text-inverted-muted: #CAC7BE;

  --concrete: #CAC7BE;
  --stone: #AAA698;
  --wood: #846D55;
  --wood-light: #A58B71;
  --dark-accent: #292A26;
  
  --border-subtle: rgba(23, 23, 20, 0.08);
  --border-medium: rgba(23, 23, 20, 0.16);
  --border-dark: rgba(255, 255, 255, 0.12);

  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --ease-editorial: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s var(--ease-editorial);
  --transition-smooth: 0.4s var(--ease-editorial);
  --transition-slow: 0.7s var(--ease-editorial);

  --container-max: 1400px;
  --container-narrow: 900px;
  --gutter: 2rem;
}

@media (max-width: 768px) {
  :root {
    --gutter: 1.25rem;
  }
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.035em;
  color: var(--text-primary);
}

.hero-title {
  font-size: clamp(3rem, 7.5vw, 6.5rem);
  font-weight: 500;
  line-height: 0.96;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.card-title {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-weight: 500;
  letter-spacing: -0.025em;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--wood);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.eyebrow::before {
  content: '';
  display: inline-block;
  width: 1.5rem;
  height: 1px;
  background-color: currentColor;
}

.lead-text {
  font-size: clamp(1.125rem, 1.5vw, 1.35rem);
  line-height: 1.6;
  color: var(--text-secondary);
  font-weight: 400;
}

/* Container & Layout */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: clamp(4rem, 8vw, 8rem);
}

.section-header {
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background-color: rgba(243, 240, 233, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.75rem;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.brand-name {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.brand-icon {
  width: 1.5rem;
  height: 1.5rem;
  display: inline-flex;
}

.brand-subtitle {
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
  padding-block: 0.25rem;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--text-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Editorial Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 0.875rem 1.625rem;
  border-radius: 2px;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--bg-dark);
  color: var(--text-inverted);
}

.btn-primary:hover {
  background-color: var(--dark-accent);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
}

.btn-secondary:hover {
  background-color: rgba(23, 23, 20, 0.04);
  border-color: var(--text-primary);
}

.btn-sm {
  padding: 0.55rem 1.1rem;
  font-size: 0.8125rem;
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0.25rem;
}

.mobile-toggle span {
  display: block;
  height: 2px;
  background-color: var(--text-primary);
  transition: all var(--transition-fast);
}

.mobile-toggle span:nth-child(1) { width: 1.5rem; }
.mobile-toggle span:nth-child(2) { width: 1rem; }

@media (max-width: 900px) {
  .nav-desktop { display: none; }
  .header-actions .btn-header { display: none; }
  .mobile-toggle { display: flex; }
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  inset: 0;
  background-color: var(--bg-surface);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  padding: var(--gutter);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

.mobile-drawer.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-block: auto;
}

.mobile-nav-link {
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.mobile-drawer-footer {
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Hero Section */
.hero {
  padding-top: clamp(2rem, 5vw, 4.5rem);
  padding-bottom: clamp(3rem, 6vw, 6rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 4vw, 3.5rem);
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  max-width: 950px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  margin-top: 0.5rem;
}

.hero-media-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 720px;
  overflow: hidden;
  border-radius: 2px;
  background-color: var(--concrete);
}

.hero-media-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 1.2s var(--ease-editorial);
}

.hero-media-caption {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  right: 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  color: var(--text-inverted);
  text-shadow: 0 1px 4px rgba(0,0,0,0.5);
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  pointer-events: none;
}

/* Project Cards & Showcase */
.project-masonry {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1.5rem, 3vw, 3rem);
}

.project-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
  group: true;
}

.project-card-large {
  grid-column: span 12;
}

.project-card-half {
  grid-column: span 6;
}

.project-card-tall {
  grid-column: span 5;
}

.project-card-wide {
  grid-column: span 7;
}

@media (max-width: 850px) {
  .project-card-large,
  .project-card-half,
  .project-card-tall,
  .project-card-wide {
    grid-column: span 12;
  }
}

.project-image-box {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--concrete);
  border-radius: 2px;
}

.project-card-tall .project-image-box {
  aspect-ratio: 4 / 3;
}

.project-card-large .project-image-box {
  aspect-ratio: 16 / 9;
}

.project-image-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-editorial);
}

.project-card:hover .project-image-box img {
  transform: scale(1.035);
}

.project-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: rgba(23, 23, 20, 0.75);
  backdrop-filter: blur(8px);
  color: var(--text-inverted);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.65rem;
  border-radius: 2px;
  text-transform: uppercase;
}

.project-info {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding-top: 0.25rem;
}

.project-meta-top {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--wood);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.project-title {
  font-size: 1.35rem;
  font-weight: 500;
  margin-top: 0.25rem;
  transition: color var(--transition-fast);
}

.project-card:hover .project-title {
  color: var(--wood);
}

.project-location {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Process Timeline Section */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  position: relative;
}

.process-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.process-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-2px);
}

.process-num {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  color: var(--wood);
  font-weight: 500;
}

.process-card h3 {
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.process-card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* Services Overview Cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1px;
  background-color: var(--border-subtle);
  border: 1px solid var(--border-subtle);
}

.service-card {
  background-color: var(--bg-primary);
  padding: 2.75rem 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
  transition: background-color var(--transition-fast);
}

.service-card:hover {
  background-color: var(--bg-surface);
}

.service-card-header {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.service-index {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--stone);
}

.service-card h3 {
  font-size: 1.45rem;
}

.service-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.service-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.service-card:hover .service-arrow {
  transform: translateX(4px);
  color: var(--wood);
}

/* Materiality & Approach Section */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

@media (max-width: 900px) {
  .split-section {
    grid-template-columns: 1fr;
  }
}

.split-image-box {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 2px;
  background-color: var(--concrete);
}

.split-image-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* FAQ Accordion */
.faq-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border-medium);
}

.faq-item {
  border-bottom: 1px solid var(--border-medium);
}

.faq-button {
  width: 100%;
  padding-block: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  text-align: left;
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.faq-button:hover {
  color: var(--wood);
}

.faq-icon {
  width: 1.25rem;
  height: 1.25rem;
  position: relative;
  flex-shrink: 0;
  transition: transform var(--transition-smooth);
}

.faq-icon::before, .faq-icon::after {
  content: '';
  position: absolute;
  background-color: var(--text-primary);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.faq-icon::before {
  width: 100%;
  height: 1.5px;
}

.faq-icon::after {
  width: 1.5px;
  height: 100%;
  transition: transform var(--transition-smooth);
}

.faq-item.active .faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.faq-item.active .faq-button {
  color: var(--wood);
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-editorial);
}

.faq-content-inner {
  padding-bottom: 2rem;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 800px;
}

/* Contact / Lead Generation */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 5vw, 6rem);
}

@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.form-label {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: 2px;
  padding: 0.875rem 1rem;
  font-size: 0.9375rem;
  color: var(--text-primary);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--text-primary);
  background-color: #FFFFFF;
}

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

.demo-notice-box {
  background-color: rgba(23, 23, 20, 0.04);
  border-left: 2px solid var(--wood);
  padding: 1rem 1.25rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-top: 1rem;
}

/* Footer */
.site-footer {
  background-color: var(--bg-dark);
  color: var(--text-inverted);
  padding-top: clamp(4rem, 8vw, 7rem);
  padding-bottom: 3rem;
  margin-top: auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: clamp(2rem, 4vw, 4rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid var(--border-dark);
}

@media (max-width: 900px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .footer-top {
    grid-template-columns: 1fr;
  }
}

.footer-brand h4 {
  font-size: 1.5rem;
  color: var(--text-inverted);
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}

.footer-brand p {
  color: var(--text-inverted-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
  max-width: 380px;
}

.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--stone);
  margin-bottom: 1.25rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  list-style: none;
}

.footer-links a {
  color: var(--text-inverted-muted);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--text-inverted);
}

.footer-bottom {
  padding-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-bridge-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.85rem;
  background-color: var(--bg-dark-surface);
  border: 1px solid var(--border-dark);
  border-radius: 2px;
  color: var(--text-inverted-muted);
  font-size: 0.75rem;
}

.footer-bridge-badge a {
  color: var(--wood-light);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-bridge-badge a:hover {
  color: #FFFFFF;
}

/* Sticky Mobile Bottom Bar */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 850;
  background-color: rgba(23, 23, 20, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0.75rem 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  justify-content: space-between;
  align-items: center;
}

@media (max-width: 768px) {
  .mobile-sticky-bar {
    display: flex;
  }
  body {
    padding-bottom: 4.5rem;
  }
}

/* Editorial Breadcrumbs */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.breadcrumbs a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.breadcrumbs a:hover {
  color: var(--text-primary);
}

.breadcrumbs-separator {
  color: var(--concrete);
}

/* Editorial Blog Styling */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: clamp(2rem, 4vw, 3.5rem);
}

@media (max-width: 600px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }
}

.blog-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.blog-card-image {
  aspect-ratio: 16 / 10;
  background-color: var(--concrete);
  overflow: hidden;
  border-radius: 2px;
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-editorial);
}

.blog-card:hover .blog-card-image img {
  transform: scale(1.03);
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--wood);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.blog-card-title {
  font-size: 1.3rem;
  font-weight: 500;
  line-height: 1.25;
  transition: color var(--transition-fast);
}

.blog-card:hover .blog-card-title {
  color: var(--wood);
}

.blog-card-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Article Page Specifics */
.article-header {
  padding-block: clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid var(--border-medium);
}

.article-content {
  padding-block: clamp(3rem, 6vw, 5rem);
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.article-content h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin-top: 3.5rem;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.article-content h3 {
  font-size: 1.4rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.article-content p {
  margin-bottom: 1.75rem;
}

.article-content ul, .article-content ol {
  margin-bottom: 2rem;
  padding-left: 1.5rem;
}

.article-content li {
  margin-bottom: 0.75rem;
}

.article-callout {
  background-color: var(--bg-surface);
  border-left: 3px solid var(--wood);
  padding: 1.75rem 2rem;
  margin-block: 2.5rem;
  border-radius: 0 2px 2px 0;
}

.article-callout p:last-child {
  margin-bottom: 0;
}

/* Accessibility & Preferences */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

:focus-visible {
  outline: 2px solid var(--text-primary);
  outline-offset: 3px;
}