/* ==========================================================================
   FHK İNŞAAT MÜHENDİSLİK - MAIN STYLESHEET
   ========================================================================== */

:root {
  --font-body: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-display: 'Space Grotesk', system-ui, sans-serif;

  /* Colors */
  --color-bg: #090d16;
  --color-bg-alt: #0f1624;
  --color-surface: #141c2e;
  --color-surface-hover: #1b263e;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-focus: rgba(245, 158, 11, 0.4);

  --color-text-main: #f1f5f9;
  --color-text-muted: #94a3b8;
  --color-text-sub: #64748b;

  --color-primary: #f59e0b; /* Safety / Architectural Warm Amber */
  --color-primary-hover: #d97706;
  --color-primary-glow: rgba(245, 158, 11, 0.25);
  
  --color-secondary: #0ea5e9; /* Blueprint Cyan */
  --color-secondary-glow: rgba(14, 165, 233, 0.2);

  --container-max: 1200px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text-main);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-normal);
}

ul {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--color-primary);
  color: #000;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 9999;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 20px;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Icons */
.icon {
  width: 15px;
  height: 15px;
  display: inline-block;
  vertical-align: middle;
}

/* ==========================================================================
   TOP INFO BAR
   ========================================================================== */
.top-bar {
  background-color: #05080e;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.825rem;
  color: var(--color-text-muted);
  padding: 8px 0;
}

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

.top-bar-list {
  display: flex;
  align-items: center;
  gap: 20px;
}

.top-bar-list li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.top-bar-list a:hover {
  color: var(--color-primary);
}

.sep {
  opacity: 0.4;
  margin: 0 2px;
}

.top-bar-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(245, 158, 11, 0.1);
  color: var(--color-primary);
  border: 1px solid rgba(245, 158, 11, 0.2);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.75rem;
}

.pulse-dot {
  width: 6px;
  height: 6px;
  background: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 8px #22c55e;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(9, 13, 22, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: all 0.3s ease;
}

.site-header.scrolled {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-badge {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #05080e;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.5px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 1px;
  color: #ffffff;
}

.brand-sub {
  font-size: 0.65rem;
  color: var(--color-primary);
  letter-spacing: 1.5px;
  font-weight: 600;
}

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

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
  padding: 4px 0;
}

.nav-num {
  font-family: var(--font-display);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  margin-right: 4px;
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-normal);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  padding: 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}

.mobile-toggle .bar {
  width: 22px;
  height: 2px;
  background-color: #ffffff;
  transition: all 0.3s ease;
}

.mobile-toggle[aria-expanded="true"] .bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.mobile-toggle[aria-expanded="true"] .bar:nth-child(2) {
  opacity: 0;
}
.mobile-toggle[aria-expanded="true"] .bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  display: none;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.925rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--color-primary);
  color: #0b0f19;
  box-shadow: 0 4px 16px var(--color-primary-glow);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.btn-outline-sm {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-main);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-block;
  margin-top: 16px;
}
.btn-outline-sm:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-block {
  width: 100%;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 90px 0 110px 0;
  background: radial-gradient(circle at 80% 20%, rgba(245, 158, 11, 0.08) 0%, transparent 50%),
              radial-gradient(circle at 10% 80%, rgba(14, 165, 233, 0.06) 0%, transparent 45%);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-size: 40px 40px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  pointer-events: none;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 56px;
  position: relative;
  z-index: 2;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.25);
  color: var(--color-primary);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.825rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.pill-dot {
  width: 7px;
  height: 7px;
  background: var(--color-primary);
  border-radius: 50%;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 3.75rem;
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}

.accent-gradient {
  background: linear-gradient(135deg, #f59e0b 20%, #fbbf24 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 540px;
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
}

.hero-visual {
  position: relative;
}

.blueprint-card {
  background: rgba(20, 28, 46, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(16px);
  position: relative;
}

.card-glass-header {
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 14px;
  margin-bottom: 18px;
}

.glass-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.glass-dot.red { background: #ef4444; }
.glass-dot.yellow { background: #f59e0b; }
.glass-dot.green { background: #10b981; }

.glass-title {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 1px;
  color: var(--color-text-sub);
  margin-left: auto;
}

.blueprint-svg {
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  background: #080d17;
  border: 1px solid rgba(56, 189, 248, 0.15);
}

.floating-badge {
  position: absolute;
  bottom: -16px;
  right: -16px;
  background: var(--color-surface);
  border: 1px solid var(--color-primary);
  padding: 14px 20px;
  border-radius: var(--radius-md);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.badge-accent {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.badge-text {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 4px;
}

/* ==========================================================================
   SECTIONS COMMON
   ========================================================================== */
.section {
  padding: 100px 0;
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.section-badge-wrapper {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.section-num {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  background: rgba(245, 158, 11, 0.12);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.section-label {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-text-muted);
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.section-subtitle {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 580px;
  margin-top: 10px;
}

.section-header-row {
  margin-bottom: 48px;
}

/* ==========================================================================
   ABOUT SECTION
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: start;
}

.about-lead {
  font-size: 1.25rem;
  color: #ffffff;
  font-weight: 500;
  line-height: 1.6;
  margin: 20px 0 16px 0;
}

.about-text {
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 30px;
}

.about-founded-box {
  display: inline-block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 12px 24px;
  border-radius: var(--radius-md);
  margin-bottom: 32px;
}

.founded-year {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.founded-title {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.about-quote {
  border-left: 3px solid var(--color-primary);
  padding-left: 20px;
  margin-top: 16px;
}

.about-quote p {
  font-size: 1.15rem;
  font-style: italic;
  color: #ffffff;
  font-weight: 500;
  margin-bottom: 6px;
}

.about-quote cite {
  font-size: 0.85rem;
  color: var(--color-primary);
  font-style: normal;
  font-weight: 600;
}

.about-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 30px 24px;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 12px;
}

.stat-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* ==========================================================================
   SERVICES SECTION
   ========================================================================== */
.services-section {
  background-color: var(--color-bg-alt);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  position: relative;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(245, 158, 11, 0.4);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
}

.service-index {
  position: absolute;
  top: 24px;
  right: 24px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-sub);
}

.service-icon-wrap {
  width: 52px;
  height: 52px;
  background: rgba(245, 158, 11, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: 24px;
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.service-icon-wrap svg {
  width: 26px;
  height: 26px;
}

.service-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #ffffff;
}

.service-desc {
  font-size: 0.925rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   PROJECTS SECTION
   ========================================================================== */
.projects-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 24px;
}

.project-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.project-card:hover {
  border-color: rgba(245, 158, 11, 0.4);
}

.project-image-placeholder {
  height: 220px;
  background: linear-gradient(135deg, #182238 0%, #0d1322 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-sub);
  position: relative;
}

.project-image-placeholder svg {
  width: 48px;
  height: 48px;
  margin-bottom: 8px;
  opacity: 0.5;
}

.tag-osb {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--color-primary);
  background: rgba(0, 0, 0, 0.5);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.project-card-content {
  padding: 30px;
}

.project-category {
  font-size: 0.775rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
  display: block;
}

.project-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 10px;
}

.project-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.status-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.status-tag.active {
  background: rgba(34, 197, 94, 0.15);
  color: #22c55e;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.project-card.coming-soon {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px;
  border-style: dashed;
  border-color: rgba(255, 255, 255, 0.15);
}

.pulse-icon {
  width: 56px;
  height: 56px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px auto;
  color: var(--color-primary);
}

.pulse-icon svg {
  width: 28px;
  height: 28px;
}

.coming-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.coming-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  max-width: 280px;
  margin: 0 auto;
}

/* ==========================================================================
   TEAM SECTION
   ========================================================================== */
.team-section {
  background-color: var(--color-bg-alt);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.team-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all var(--transition-normal);
}

.team-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
}

.team-avatar-wrap {
  width: 68px;
  height: 68px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #b45309 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: #0b0f19;
  margin-bottom: 24px;
}

.team-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 6px;
}

.team-role {
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.925rem;
  margin-bottom: 12px;
}

.team-bio {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 24px;
}

.btn-team-contact {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-main);
  background: rgba(255, 255, 255, 0.05);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
}

.btn-team-contact svg {
  width: 16px;
  height: 16px;
  color: var(--color-primary);
}

.btn-team-contact:hover {
  background: rgba(245, 158, 11, 0.1);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: start;
}

.contact-headline {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
}

.accent-color {
  color: var(--color-primary);
}

.contact-intro {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 40px;
}

.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-icon {
  width: 44px;
  height: 44px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-icon svg {
  width: 20px;
  height: 20px;
}

.contact-item-title {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-sub);
  font-weight: 700;
  margin-bottom: 2px;
}

.contact-item-val {
  font-size: 1rem;
  color: #ffffff;
  font-weight: 500;
  line-height: 1.5;
}

.contact-item-val a:hover {
  color: var(--color-primary);
}

/* Contact Form */
.form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.form-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.form-subtitle {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 28px;
}

.form-group {
  margin-bottom: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text-main);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: #090d16;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: #ffffff;
  transition: all var(--transition-normal);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-actions {
  margin-top: 24px;
}

.form-success-msg {
  margin-top: 16px;
  background: rgba(34, 197, 94, 0.15);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #22c55e;
  padding: 12px;
  border-radius: var(--radius-sm);
  text-align: center;
  font-size: 0.9rem;
  font-weight: 600;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: #04060a;
  border-top: 1px solid var(--color-border);
  padding: 80px 0 30px 0;
  color: var(--color-text-muted);
}

.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr 1.3fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-logo {
  margin-bottom: 18px;
}

.footer-desc {
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-heading {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.9rem;
}

.footer-links a:hover,
.footer-contact-list a:hover {
  color: var(--color-primary);
}

.footer-location {
  font-size: 0.9rem;
  color: #ffffff;
  margin-bottom: 12px;
  font-weight: 500;
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.875rem;
}

.footer-services-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.85rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 30px;
  font-size: 0.85rem;
}

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

.credit {
  color: var(--color-text-sub);
}

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    max-width: 520px;
    margin: 0 auto;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .footer-main {
    grid-template-columns: repeat(2, 1fr);
    gap: 36px;
  }
}

@media (max-width: 768px) {
  .desktop-only {
    display: none;
  }

  .desktop-nav,
  .btn-header {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .mobile-nav {
    display: none;
    background: #090d16;
    border-bottom: 1px solid var(--color-border);
    padding: 24px;
  }

  .mobile-nav.open {
    display: block;
  }

  .mobile-nav nav {
    display: flex;
    flex-direction: column;
    gap: 18px;
  }

  .mobile-nav-link {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-text-main);
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .mobile-nav-link span {
    color: var(--color-primary);
    font-family: var(--font-display);
    font-size: 0.85rem;
  }

  .mobile-cta {
    margin-top: 10px;
    text-align: center;
  }

  .hero-title {
    font-size: 2.75rem;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .team-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-main {
    grid-template-columns: 1fr;
  }

  .footer-bottom-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.25rem;
  }

  .about-stats-grid {
    grid-template-columns: 1fr;
  }

  .form-card {
    padding: 24px 18px;
  }
}
.project-image-placeholder {
  position: relative;
  overflow: hidden; /* Taşmaları gizler */
  width: 100%;
  height: 220px; /* İstediğiniz yüksekliği belirleyin */
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover; /* Resmi oranları bozmadan alanı kaplayacak şekilde sığdırır */
  display: block;
}

/* Etiketin resmin üstünde kalmasını sağlar */
.tag-osb {
  position: absolute;
  bottom: 10px;
  left: 10px;
  z-index: 2;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  padding: 4px 8px;
  font-size: 0.75rem;
}
/* ==========================================================
   MOBİL VE TABLET UYUMLULUK KATMANI (Mevcut stilleri ezmez)
   ========================================================== */

/* 1. Yatay taşmaları (sağa-sola kaymaları) engeller */
html, body {
  max-width: 100%;
  overflow-x: hidden;
}

/* 2. Resimlerin ekrandan taşmasını önler */
img, picture, video, canvas, svg {
  max-width: 100%;
  height: auto;
}

/* 3. 768px ve altı ekranlar (Telefonlar ve Dikey Tabletler) */
@media screen and (max-width: 768px) {
  /* Geniş container/kapsayıcı genişliklerini ekrana yayar */
  .container, 
  .wrapper, 
  main, 
  header, 
  footer, 
  section {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box;
    padding-left: 16px !important;
    padding-right: 16px !important;
  }

  /* Çok sütunlu grid ve flex yapılarını mobilde düzgün alt alta dizer */
  .row,
  .grid,
  .services-grid,
  .projects-grid,
  .cards,
  .card-container {
    display: flex !important;
    flex-direction: column !important;
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  /* Yan yana duran butonları veya sütunları tam genişlik yapar */
  .col,
  .col-1, .col-2, .col-3, .col-4, .col-6,
  .service-card,
  .project-card,
  .card {
    width: 100% !important;
    max-width: 100% !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
  }

  /* Navigasyon / Menü taşmalarını düzenler */
  nav ul {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }

  /* Mobilde aşırı büyük kalan başlık fontlarını dengeler */
  h1 {
    font-size: 1.85rem !important;
    line-height: 1.25 !important;
  }
  
  h2 {
    font-size: 1.5rem !important;
    line-height: 1.3 !important;
  }

  h3 {
    font-size: 1.25rem !important;
  }
}
/* Mobilde numaraların kırılmasını önler ve üst barı düzenler */
.top-bar-list li a,
.top-bar-list li span {
  white-space: nowrap; /* Numaraların alt alta bölünmesini engeller */
}

@media (max-width: 768px) {
  .top-bar-container {
    flex-direction: column;
    gap: 8px;
    padding: 8px 16px;
  }
  
  .top-bar-list {
    flex-direction: column;
    align-items: center;
    gap: 6px;
    width: 100%;
  }

  .top-bar-list li {
    font-size: 12px;
    justify-content: center;
  }
}