/* ==========================================================================
   Gebze Cam Balkon - Modern Tasarım Sistemi (CSS)
   ========================================================================== */


:root {
  /* Renk Paleti - Derin Gece & Mimari Cam Tonları */
  --bg-body: #070b14;
  --bg-surface: #0d1527;
  --bg-surface-elevated: #152238;
  --bg-card: rgba(21, 34, 56, 0.7);
  --bg-glass: rgba(13, 21, 39, 0.75);
  --bg-glass-card: rgba(255, 255, 255, 0.03);
  
  /* Kenarlık & Işıma */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.15);
  --border-focus: rgba(14, 165, 233, 0.6);
  --glass-glow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  
  /* Vurgu Renkleri */
  --primary: #0ea5e9;           /* Sky / Glass Blue */
  --primary-hover: #38bdf8;
  --primary-glow: rgba(14, 165, 233, 0.25);
  --secondary: #2563eb;         /* Royal Architectural Blue */
  --accent-emerald: #10b981;    /* WhatsApp & Success */
  --accent-gold: #f59e0b;       /* Quality & Rating */
  --accent-anthracite: #272f3d;
  
  /* Metin Renkleri */
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --text-inverse: #070b14;
  
  /* Tipografi */
  --font-heading: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Radyuslar & Gölgeler */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.25);
  --shadow-md: 0 8px 24px -4px rgba(0,0,0,0.35);
  --shadow-lg: 0 20px 40px -8px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 25px rgba(14, 165, 233, 0.35);
  
  /* Geçişler */
  --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

/* Arka Plan Atmosfer Işımaları */
.bg-ambient-light {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.blob-1 {
  position: absolute;
  top: -15%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.15) 0%, rgba(0,0,0,0) 70%);
  filter: blur(80px);
}

.blob-2 {
  position: absolute;
  top: 40%;
  left: -12%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.12) 0%, rgba(0,0,0,0) 70%);
  filter: blur(90px);
}

.blob-3 {
  position: absolute;
  bottom: 5%;
  right: 15%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, rgba(0,0,0,0) 70%);
  filter: blur(80px);
}

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

ul {
  list-style: none;
}

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

button, input, select {
  font-family: inherit;
  outline: none;
  border: none;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

/* ==========================================================================
   Header & Navbar (Sade, Doğal ve Minimalist Mimari Tasarım)
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 12px 0;
  background: rgba(7, 11, 20, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: padding 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.site-header.scrolled {
  padding: 9px 0;
  background: rgba(7, 11, 20, 0.94);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.4);
}

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

/* Sade & Doğal Marka Logosu */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-badge {
  width: 32px;
  height: 32px;
  background: rgba(14, 165, 233, 0.08);
  border: 1px solid rgba(14, 165, 233, 0.3);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #38bdf8;
  transition: var(--transition);
}

.brand-logo:hover .logo-badge {
  background: rgba(14, 165, 233, 0.18);
  border-color: #38bdf8;
}

.logo-text {
  display: flex;
  align-items: baseline;
  gap: 5px;
}

.logo-name {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.3px;
}

.logo-sub {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 500;
  color: #94a3b8;
  letter-spacing: -0.3px;
}

/* Sade Menü Linkleri (Pill Hover Efektli) */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-link {
  font-size: 0.86rem;
  font-weight: 500;
  color: #94a3b8;
  padding: 6px 12px;
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.2s ease;
  letter-spacing: 0.1px;
}

.nav-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
}

.nav-link.active,
.nav-link-highlight {
  color: #38bdf8;
  font-weight: 600;
}

.nav-link-highlight:hover {
  color: #7dd3fc;
  background: rgba(14, 165, 233, 0.1);
}

/* Sağ Taraf: İletişim & Aksiyon */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-phone-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #cbd5e1;
  font-size: 0.84rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.2s ease;
}

.nav-phone-link svg {
  color: #38bdf8;
}

.nav-phone-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
}

.nav-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  font-size: 0.84rem;
  font-weight: 600;
  border-radius: 999px;
  background: rgba(14, 165, 233, 0.12);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.35);
  text-decoration: none;
  transition: all 0.2s ease;
}

.nav-cta-btn:hover {
  background: #0ea5e9;
  color: #ffffff;
  border-color: #0ea5e9;
  box-shadow: 0 4px 14px rgba(14, 165, 233, 0.28);
  transform: translateY(-1px);
}

.btn-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-main);
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
}

.btn-phone:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-light);
  transform: translateY(-2px);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  padding: 12px 24px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: var(--radius-full);
  color: white;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  box-shadow: 0 6px 20px var(--primary-glow);
  transition: var(--transition);
  border: 1px solid rgba(255,255,255,0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(14, 165, 233, 0.45);
  filter: brightness(1.08);
}

.btn-emerald {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
}

.btn-emerald:hover {
  box-shadow: 0 10px 28px rgba(16, 185, 129, 0.45);
}

.mobile-toggle {
  display: none;
  background: transparent;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding: 130px 0 90px 0;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(14, 165, 233, 0.1);
  border: 1px solid rgba(14, 165, 233, 0.3);
  border-radius: var(--radius-full);
  color: var(--primary-hover);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-badge svg {
  color: var(--accent-gold);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.4rem;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -1.2px;
  margin-bottom: 20px;
}

.hero-title .highlight {
  background: linear-gradient(135deg, #38bdf8 0%, #818cf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.12rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}

.hero-trust-bar {
  display: flex;
  align-items: center;
  gap: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

.trust-item {
  display: flex;
  flex-direction: column;
}

.trust-number {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
}

.trust-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.hero-visual {
  position: relative;
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-lg);
}

.hero-image-wrapper img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-image-wrapper:hover img {
  transform: scale(1.03);
}

.hero-float-card {
  position: absolute;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-light);
  padding: 16px 20px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 14px;
  z-index: 5;
  animation: floatAnim 4s ease-in-out infinite alternate;
}

.float-card-1 {
  bottom: 24px;
  left: -24px;
}

.float-card-2 {
  top: 24px;
  right: -16px;
}

@keyframes floatAnim {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-8px); }
}

.float-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(14, 165, 233, 0.15);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.float-content h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
}

.float-content p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Section Genel Stilleri
   ========================================================================== */
.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--primary);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.8px;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Akıllı Fiyat Hesaplama Modülü (Ana Özellik)
   ========================================================================== */
.calculator-section {
  background: linear-gradient(180deg, var(--bg-body) 0%, #0c1424 50%, var(--bg-body) 100%);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}

.calc-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  backdrop-filter: blur(20px);
}

.calc-layout {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
}

.calc-form-container {
  padding: 44px;
}

.calc-step {
  margin-bottom: 36px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border-subtle);
}

.calc-step:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.step-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.step-num {
  width: 28px;
  height: 28px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.step-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
}

/* Balkon Tipi Seçimi */
.shape-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.shape-option {
  position: relative;
  cursor: pointer;
}

.shape-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.shape-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px 12px;
  text-align: center;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.shape-box svg {
  width: 48px;
  height: 48px;
  fill: none;
  stroke: var(--text-muted);
  stroke-width: 2;
  transition: var(--transition);
}

.shape-box span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: var(--transition);
}

.shape-option input:checked + .shape-box {
  background: rgba(14, 165, 233, 0.12);
  border-color: var(--primary);
  box-shadow: 0 0 15px rgba(14, 165, 233, 0.25);
}

.shape-option input:checked + .shape-box svg {
  stroke: var(--primary);
}

.shape-option input:checked + .shape-box span {
  color: #fff;
}

/* Ölçü Girişi */
.dimensions-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.input-slider-group {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px 20px;
}

.slider-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.slider-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
}

.slider-value-badge {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
  background: rgba(14, 165, 233, 0.1);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(14, 165, 233, 0.2);
}

.range-slider {
  width: 100%;
  -webkit-appearance: none;
  height: 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.15);
  outline: none;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  box-shadow: 0 0 10px var(--primary-glow);
  border: 2px solid #fff;
  transition: transform 0.1s ease;
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Sistem Seçimi */
.system-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.system-option {
  position: relative;
  cursor: pointer;
}

.system-option input[type="radio"] {
  position: absolute;
  opacity: 0;
}

.system-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
  transition: var(--transition);
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.system-icon {
  width: 38px;
  height: 38px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.system-info h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.system-info p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.system-tag {
  display: inline-block;
  margin-top: 6px;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--primary-hover);
  background: rgba(14, 165, 233, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
}

.system-option input:checked + .system-box {
  background: rgba(14, 165, 233, 0.1);
  border-color: var(--primary);
  box-shadow: 0 0 16px rgba(14, 165, 233, 0.2);
}

.system-option input:checked + .system-box .system-icon {
  background: var(--primary);
  color: white;
}

/* Cam ve Profil Özellikleri */
.options-subgrid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.option-group-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.pill-selector {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.pill-option {
  position: relative;
  cursor: pointer;
}

.pill-option input {
  position: absolute;
  opacity: 0;
}

.pill-label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
}

.color-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.4);
}

.pill-option input:checked + .pill-label {
  background: rgba(14, 165, 233, 0.15);
  border-color: var(--primary);
  color: #fff;
  font-weight: 600;
}

/* Fiyat Özeti Bölümü (Sağ Kolon) */
.calc-summary-panel {
  background: linear-gradient(165deg, rgba(17, 27, 46, 0.95) 0%, rgba(9, 14, 26, 0.98) 100%);
  border-left: 1px solid var(--border-light);
  padding: 44px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.summary-header h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 8px;
}

.summary-header p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Şematik Balkon Önizleme */
.preview-box {
  background: rgba(0, 0, 0, 0.3);
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  margin: 20px 0;
  text-align: center;
}

.preview-graphic {
  height: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}

.preview-meta {
  display: flex;
  justify-content: space-around;
  font-size: 0.82rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
  padding-top: 10px;
}

.preview-meta strong {
  color: #fff;
}

.summary-breakdown {
  margin-bottom: 24px;
}

.breakdown-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  padding: 8px 0;
  color: var(--text-muted);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.breakdown-row.total-row {
  border-bottom: none;
  border-top: 1px solid var(--border-subtle);
  padding-top: 16px;
  margin-top: 8px;
  align-items: flex-end;
}

.total-label {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
}

.total-value-box {
  text-align: right;
}

.total-price {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: #38bdf8;
  line-height: 1.1;
  text-shadow: 0 0 20px rgba(56, 189, 248, 0.3);
}

.total-hint {
  font-size: 0.72rem;
  color: var(--text-dim);
}

.summary-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.btn-whatsapp-quote {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 15px;
  background: #25d366;
  color: white;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp-quote:hover {
  background: #1eb954;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.45);
}

.btn-kesif {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 13px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-light);
  color: white;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
}

.btn-kesif:hover {
  background: rgba(255, 255, 255, 0.12);
}

.guarantee-note {
  font-size: 0.76rem;
  color: var(--text-dim);
  text-align: center;
  margin-top: 14px;
}

/* ==========================================================================
   Modeller & Sistemler Bölümü
   ========================================================================== */
.systems-showcase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  max-width: 980px;
  margin: 0 auto;
  gap: 32px;
}

.system-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.system-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-focus);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(14, 165, 233, 0.15);
}

.card-image-box {
  position: relative;
  height: 240px;
  overflow: hidden;
}

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

.system-card:hover .card-image-box img {
  transform: scale(1.06);
}

.card-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 12px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary-hover);
}

.card-body {
  padding: 26px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-body h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: #fff;
}

.card-body p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.card-specs {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 16px;
}

.spec-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: #e2e8f0;
}

.spec-item svg {
  color: var(--primary);
  flex-shrink: 0;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  padding-top: 16px;
}

.price-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.price-hint strong {
  display: block;
  font-size: 1.15rem;
  color: #fff;
  font-family: var(--font-heading);
}

/* ==========================================================================
   Neden Biz? / Avantajlar
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-box:hover {
  transform: translateY(-5px);
  border-color: var(--border-light);
  background: var(--bg-surface-elevated);
}

.feature-icon-wrapper {
  width: 56px;
  height: 56px;
  background: rgba(14, 165, 233, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 20px;
  border: 1px solid rgba(14, 165, 233, 0.2);
}

.feature-box h3 {
  font-family: var(--font-heading);
  font-size: 1.18rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.feature-box p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   Galeri & Referanslar
   ========================================================================== */
.gallery-filters {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 20px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  box-shadow: 0 4px 15px var(--primary-glow);
}

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

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 290px;
  border: 1px solid var(--border-subtle);
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 40%, rgba(7, 11, 20, 0.95) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  opacity: 0.9;
  transition: var(--transition);
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary-hover);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.gallery-item h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin-top: 4px;
}

.gallery-item p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Müşteri Yorumları & Değerlendirme
   ========================================================================== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 24px;
}

.review-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.review-stars {
  display: flex;
  gap: 4px;
  color: var(--accent-gold);
  margin-bottom: 16px;
}

.review-text {
  font-size: 0.94rem;
  color: #e2e8f0;
  font-style: italic;
  line-height: 1.65;
  margin-bottom: 24px;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: white;
}

.author-info h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
}

.author-info p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Instagram Vitrini & Canlı Akış (@gebzecambalkon)
   ========================================================================== */
.instagram-section {
  position: relative;
  overflow: hidden;
}

.ig-profile-card {
  background: linear-gradient(135deg, rgba(21, 34, 56, 0.85) 0%, rgba(13, 21, 39, 0.95) 100%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xl);
  padding: 32px 36px;
  margin-bottom: 40px;
  box-shadow: 0 16px 40px -10px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: relative;
}

.ig-profile-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.ig-profile-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}

.ig-profile-left {
  display: flex;
  align-items: center;
  gap: 24px;
}

.ig-avatar-ring {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  padding: 3px;
  background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
  box-shadow: 0 4px 18px rgba(220, 39, 67, 0.35);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.ig-avatar-ring:hover {
  transform: scale(1.05) rotate(3deg);
}

.ig-avatar-ring img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--bg-surface);
}

.ig-meta-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ig-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.ig-handle {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}

.ig-verified-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background: #0ea5e9;
  color: white;
  border-radius: 50%;
  font-size: 12px;
}

.ig-category-tag {
  background: rgba(14, 165, 233, 0.15);
  color: #38bdf8;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 600;
  border: 1px solid rgba(14, 165, 233, 0.3);
}

.ig-company-name {
  font-size: 1rem;
  font-weight: 600;
  color: #e2e8f0;
}

.ig-stats-row {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 6px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.ig-stat-number {
  font-weight: 700;
  color: #fff;
}

.ig-bio-box {
  margin-top: 14px;
  padding: 12px 18px;
  background: rgba(0, 0, 0, 0.25);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.ig-bio-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}

.ig-bio-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(255, 255, 255, 0.05);
  color: #cbd5e1;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.78rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.ig-profile-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-ig-follow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  color: white;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: 0.94rem;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(220, 39, 67, 0.35);
  transition: var(--transition);
}

.btn-ig-follow:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(220, 39, 67, 0.5);
  color: white;
}

.btn-ig-dm {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.08);
  color: #f1f5f9;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}

.btn-ig-dm:hover {
  background: rgba(255, 255, 255, 0.15);
  color: white;
  border-color: rgba(255, 255, 255, 0.25);
}

/* Instagram Feed Grid */
.ig-feed-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.ig-post-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.ig-post-card:hover {
  transform: translateY(-6px);
  border-color: rgba(220, 39, 67, 0.4);
  box-shadow: 0 16px 32px -8px rgba(220, 39, 67, 0.2);
}

.ig-media-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #000;
}

.ig-media-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.ig-post-card:hover .ig-media-wrapper img {
  transform: scale(1.07);
}

.ig-media-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  color: white;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.15);
  z-index: 2;
}

.ig-media-overlay {
  position: absolute;
  inset: 0;
  background: rgba(13, 21, 39, 0.85);
  backdrop-filter: blur(4px);
  opacity: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  transition: opacity 0.3s ease;
  z-index: 3;
}

.ig-post-card:hover .ig-media-overlay {
  opacity: 1;
}

.ig-overlay-stats {
  display: flex;
  align-items: center;
  gap: 20px;
  color: white;
  font-weight: 700;
  font-size: 1.05rem;
}

.ig-stat-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.ig-btn-view-post {
  padding: 8px 18px;
  background: linear-gradient(45deg, #f09433, #dc2743);
  color: white;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 999px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: transform 0.2s ease;
}

.ig-btn-view-post:hover {
  transform: scale(1.05);
}

.ig-card-body {
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
  justify-content: space-between;
}

.ig-post-system-tag {
  font-size: 0.74rem;
  font-weight: 700;
  color: #38bdf8;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.ig-post-caption {
  font-size: 0.88rem;
  color: #cbd5e1;
  line-height: 1.5;
  margin-bottom: 14px;
}

.ig-comments-snippet {
  border-top: 1px solid var(--border-subtle);
  padding-top: 12px;
  margin-top: auto;
}

.ig-comment-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin-bottom: 6px;
}

.ig-comment-user {
  font-weight: 700;
  color: #e2e8f0;
  white-space: nowrap;
}

.ig-comment-row.company-reply {
  padding-left: 12px;
  border-left: 2px solid #0ea5e9;
  color: #94a3b8;
}

.ig-btn-read-comments {
  background: transparent;
  border: none;
  color: #38bdf8;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
  margin-top: 4px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color 0.2s ease;
}

.ig-btn-read-comments:hover {
  color: #7dd3fc;
  text-decoration: underline;
}

/* Floating Instagram Button */
.floating-instagram {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  box-shadow: 0 8px 25px rgba(220, 39, 67, 0.45);
}

.floating-instagram:hover {
  box-shadow: 0 12px 30px rgba(220, 39, 67, 0.6);
}

/* Instagram Post Detail Modal */
.ig-modal-dialog {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 860px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  position: relative;
}

.ig-modal-media {
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ig-modal-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.ig-modal-content {
  padding: 28px;
  display: flex;
  flex-direction: column;
  max-height: 520px;
  overflow-y: auto;
}

.ig-modal-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 16px;
}

.ig-modal-comments-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 16px;
  flex: 1;
}

.ig-modal-footer {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

@media (max-width: 992px) {
  .ig-feed-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .ig-modal-dialog {
    grid-template-columns: 1fr;
    max-height: 90vh;
  }
  .ig-modal-media {
    max-height: 300px;
  }
}

@media (max-width: 640px) {
  .ig-feed-grid {
    grid-template-columns: 1fr;
  }
  .ig-profile-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .ig-profile-actions {
    width: 100%;
  }
  .btn-ig-follow,
  .btn-ig-dm {
    flex: 1;
    justify-content: center;
  }
}

/* ==========================================================================
   Sıkça Sorulan Sorular (SSS)
   ========================================================================== */
.faq-container {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: var(--border-focus);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: transparent;
  color: #fff;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  background: var(--primary);
  color: white;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 250px;
  padding-bottom: 22px;
}

.faq-answer p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ==========================================================================
   İletişim & Ücretsiz Keşif Banner
   ========================================================================== */
.cta-banner {
  background: linear-gradient(135deg, #1e3a8a 0%, #0f172a 100%);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 60px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.cta-banner::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.25) 0%, rgba(0,0,0,0) 70%);
  filter: blur(60px);
}

.cta-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
}

.cta-content h2 {
  font-family: var(--font-heading);
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  color: #fff;
}

.cta-content p {
  font-size: 1.08rem;
  color: #cbd5e1;
  margin-bottom: 32px;
}

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

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: #04070d;
  border-top: 1px solid var(--border-subtle);
  padding: 80px 0 30px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 18px 0 24px 0;
  max-width: 320px;
}

.footer-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.contact-item svg {
  color: var(--primary);
  margin-top: 4px;
  flex-shrink: 0;
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* ==========================================================================
   Hızlı İletişim Sabit Butonları (Floating CTA)
   ========================================================================== */
.floating-actions {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 99;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.floating-btn {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
  transition: var(--transition);
  position: relative;
}

.floating-btn:hover {
  transform: scale(1.1);
}

.floating-whatsapp {
  background: #25d366;
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.45);
}

.floating-calc {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  box-shadow: 0 8px 25px var(--primary-glow);
}

.floating-tooltip {
  position: absolute;
  right: 70px;
  background: rgba(15, 23, 42, 0.92);
  color: white;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  border: 1px solid var(--border-light);
}

.floating-btn:hover .floating-tooltip {
  opacity: 1;
  transform: translateX(-4px);
}

/* ==========================================================================
   Keşif Talep Modalı
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(4, 7, 13, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 520px;
  padding: 36px;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: var(--transition);
  position: relative;
}

.modal-backdrop.active .modal-dialog {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: transparent;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}

.modal-close:hover {
  color: white;
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

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

.form-input {
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: white;
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-input:focus {
  border-color: var(--primary);
  background: rgba(255, 255, 255, 0.08);
}

/* ==========================================================================
   Mobil ve Duyarlı (Responsive) Tasarım
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .hero-visual {
    max-width: 600px;
    margin: 0 auto;
  }
  
  .calc-layout {
    grid-template-columns: 1fr;
  }
  
  .calc-summary-panel {
    border-left: none;
    border-top: 1px solid var(--border-light);
  }
  
  .systems-showcase-grid,
  .gallery-grid,
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links,
  .btn-phone {
    display: none;
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .hero-title {
    font-size: 2.3rem;
  }
  
  .shape-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .dimensions-container,
  .system-grid,
  .options-subgrid {
    grid-template-columns: 1fr;
  }
  
  .calc-form-container,
  .calc-summary-panel {
    padding: 24px;
  }
  
  .systems-showcase-grid,
  .gallery-grid,
  .reviews-grid,
  .features-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-banner {
    padding: 36px 24px;
  }
  
  .cta-content h2 {
    font-size: 1.9rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}


/* ==========================================================================
   2D İNTERAKTİF BALKON ÇİZİM & PROJELENDİRME STÜDYOSU (GEBZE CAM BALKON)
   ========================================================================== */
.drawing-studio-section {
  position: relative;
  padding: 90px 0;
  background: radial-gradient(circle at 50% 20%, rgba(14, 165, 233, 0.08) 0%, rgba(7, 11, 20, 1) 70%);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.ds-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.7);
  overflow: hidden;
  position: relative;
}

.ds-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #0ea5e9, #6366f1, #f59e0b);
}

/* Üst Şablon Seçici Bar */
.ds-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 32px;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(13, 21, 39, 0.85);
  flex-wrap: wrap;
  gap: 16px;
}

.ds-top-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ds-top-title h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: #fff;
  font-weight: 700;
}

.ds-top-title span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.ds-presets-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.ds-preset-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.ds-preset-btn:hover {
  background: rgba(255, 255, 255, 0.09);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
}

.ds-preset-btn.active {
  background: rgba(14, 165, 233, 0.18);
  border-color: var(--primary);
  color: #38bdf8;
  box-shadow: 0 0 16px rgba(14, 165, 233, 0.25);
}

.ds-preset-btn-custom {
  background: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.35);
  color: #fbbf24;
}

.ds-preset-btn-custom:hover {
  background: rgba(245, 158, 11, 0.16);
  border-color: rgba(245, 158, 11, 0.6);
  color: #fff;
}

.ds-preset-btn-custom.active {
  background: rgba(245, 158, 11, 0.22);
  border-color: #f59e0b;
  color: #fef08a;
  box-shadow: 0 0 16px rgba(245, 158, 11, 0.3);
}

/* Standart Şablonlarda Sabit Köşe Etiketi */
.ds-corner-preset-row {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
}

.ds-corner-badge-simple {
  font-size: 0.74rem;
  color: #fbbf24;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(245, 158, 11, 0.08);
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid rgba(245, 158, 11, 0.2);
}

/* Şablon Modundan Özel Çizime Geçiş İpucu */
.ds-preset-switch-hint {
  margin-top: 8px;
  text-align: center;
}

.ds-link-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 0.8125rem;
  cursor: pointer;
  transition: var(--transition);
  padding: 4px 8px;
  border-radius: 4px;
}

.ds-link-btn strong {
  color: #38bdf8;
  text-decoration: underline;
}

.ds-link-btn:hover {
  color: #fff;
}

.ds-link-btn:hover strong {
  color: #7dd3fc;
}

/* Stüdyo Ana Grid Yerleşimi */
.ds-main-grid {
  display: grid;
  grid-template-columns: 1.15fr 1.35fr;
  min-height: 640px;
}

/* Sol Taraf: Cephe & Köşe Kontrolleri */
.ds-controls-pane {
  padding: 32px;
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 24px;
  background: rgba(13, 21, 39, 0.4);
  max-height: 860px;
  overflow-y: auto;
}

.ds-pane-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.ds-pane-title h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ds-segments-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Cephe Kartı */
.ds-segment-card {
  background: rgba(21, 34, 56, 0.55);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  transition: var(--transition);
  position: relative;
}

.ds-segment-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.ds-segment-card.is-active {
  border-color: var(--primary);
  background: rgba(14, 165, 233, 0.08);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.ds-segment-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.ds-segment-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ds-seg-badge {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ds-btn-remove-seg {
  background: rgba(239, 68, 68, 0.12);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.25);
  width: 26px;
  height: 26px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.ds-btn-remove-seg:hover {
  background: #ef4444;
  color: white;
}

.ds-input-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
}

.ds-input-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.ds-val-tag {
  background: rgba(14, 165, 233, 0.15);
  color: #38bdf8;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.3px;
}

.ds-stepper-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.ds-stepper-label {
  font-size: 0.86rem;
  font-weight: 700;
  color: #fff;
}

.ds-stepper-box {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.04);
  padding: 3px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.ds-btn-step {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-light);
  color: #fff;
  font-size: 1.25rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  user-select: none;
  touch-action: manipulation;
  transition: all 0.15s ease;
  line-height: 1;
}

.ds-btn-step:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  transform: scale(1.05);
}

.ds-btn-step:active {
  transform: scale(0.92);
  background: #0284c7;
}

/* Kompakt Köşe Seçici Satırı */
.ds-corner-compact-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.ds-corner-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: #fbbf24;
}

.ds-corner-pills {
  display: flex;
  gap: 6px;
}

.ds-corner-pills .ds-angle-btn {
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
  touch-action: manipulation;
}

.ds-corner-pills .ds-angle-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.ds-corner-pills .ds-angle-btn.active {
  background: rgba(245, 158, 11, 0.22);
  border-color: #f59e0b;
  color: #fef08a;
  font-weight: 700;
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.25);
}

/* Stüdyo Başlık ve Alt İpuçları */
.ds-sec-header {
  margin-bottom: 12px;
}

.ds-sub-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 2px;
}

.ds-sub-hint {
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* Cam Balkon Sistem Kartları Grid */
.ds-system-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.ds-system-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1.5px solid var(--border-subtle);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
  touch-action: manipulation;
}

.ds-system-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.25);
}

.ds-system-card:has(input:checked) {
  background: rgba(14, 165, 233, 0.12);
  border-color: var(--primary);
  box-shadow: 0 0 14px rgba(14, 165, 233, 0.25);
}

.ds-sys-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  margin-bottom: 4px;
}

.ds-system-card strong {
  font-size: 0.85rem;
  color: #fff;
  font-weight: 700;
}

.ds-sys-badge {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  color: #38bdf8;
  white-space: nowrap;
}

.ds-sys-desc {
  font-size: 0.73rem;
  color: var(--text-dim);
  line-height: 1.25;
}

.ds-radio-hidden {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

/* Cam ve Profil Renk Seçenekleri */
.ds-options-subgrid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
}

.ds-option-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ds-option-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-dim);
}

.ds-color-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.ds-color-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 9px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 0.76rem;
  color: #cbd5e1;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
  touch-action: manipulation;
}

.ds-color-chip:hover {
  background: rgba(255, 255, 255, 0.09);
  color: #fff;
}

.ds-color-chip:has(input:checked) {
  background: rgba(14, 165, 233, 0.18);
  border-color: var(--primary);
  color: #38bdf8;
  font-weight: 700;
}

.ds-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 3px rgba(0, 0, 0, 0.5);
}

/* Ekstra Donanımlar */
.ds-addons-wrap {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border-subtle);
}

.ds-addon-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.ds-addon-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  font-size: 0.78rem;
  color: #cbd5e1;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
  touch-action: manipulation;
}

.ds-addon-chip:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.ds-addon-chip:has(input:checked) {
  background: rgba(16, 185, 129, 0.15);
  border-color: #10b981;
  color: #6ee7b7;
  font-weight: 600;
}

/* Mobil Sabit Hızlı Teklif Barı */
.ds-mobile-sticky-bar {
  display: none;
}

.ds-btn-add-segment {
  width: 100%;
  padding: 13px;
  background: rgba(255, 255, 255, 0.03);
  border: 1.5px dashed rgba(14, 165, 233, 0.4);
  border-radius: var(--radius-md);
  color: #38bdf8;
  font-size: 0.92rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition);
}

.ds-btn-add-segment:hover {
  background: rgba(14, 165, 233, 0.12);
  border-color: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

/* Sağ Taraf: Blueprint & Canlı Önizleme */
.ds-visual-pane {
  display: flex;
  flex-direction: column;
  background: #090e1a;
  position: relative;
}

/* Üst Canlı Metrik İstatistikleri */
.ds-metrics-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 18px 24px;
  background: rgba(13, 21, 39, 0.9);
  border-bottom: 1px solid var(--border-subtle);
  gap: 16px;
}

.ds-metric-item {
  display: flex;
  flex-direction: column;
}

.ds-metric-label {
  font-size: 0.74rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  font-weight: 700;
  margin-bottom: 4px;
}

.ds-metric-val {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: #fff;
}

.ds-metric-val.highlight {
  color: var(--primary);
}

.ds-metric-val.amber {
  color: #f59e0b;
}

/* Blueprint CAD Çizim Alanı */
.ds-canvas-area {
  flex: 1;
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: radial-gradient(circle at 50% 50%, #081120 0%, #040812 100%);
  border-radius: 14px;
  margin: 16px 20px;
  border: 1px solid rgba(14, 165, 233, 0.15);
  box-shadow: inset 0 2px 20px rgba(0, 0, 0, 0.7);
  overflow: hidden;
}

.ds-blueprint-svg {
  width: 100%;
  height: 100%;
  min-height: 380px;
  max-height: 480px;
  display: block;
}

.ds-canvas-watermark {
  position: absolute;
  bottom: 14px;
  right: 18px;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.2);
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 700;
  pointer-events: none;
}

/* Alt Özet & Sipariş Paneli */
.ds-bottom-summary {
  padding: 24px 32px;
  background: rgba(13, 21, 39, 0.95);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.ds-summary-rows {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.ds-sum-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.ds-sum-label {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.ds-sum-val {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
}

.ds-price-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  flex-wrap: wrap;
  gap: 14px;
}

.ds-price-label-group h4 {
  font-size: 0.95rem;
  color: #cbd5e1;
  font-weight: 600;
}

.ds-price-label-group span {
  font-size: 0.76rem;
  color: var(--text-dim);
}

.ds-price-value-group {
  text-align: right;
}

.ds-main-price {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.ds-range-hint {
  font-size: 0.76rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.ds-cta-actions {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 14px;
}

.ds-btn-wa {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 20px;
  background: #25d366;
  color: #fff;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35);
  transition: var(--transition);
}

.ds-btn-wa:hover {
  background: #20ba5a;
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.45);
}

.ds-btn-kesif {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-light);
  color: #fff;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
}

.ds-btn-kesif:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.3);
}

/* ==========================================================================
   YÖNETİCİ (ADMIN) PANEL VE GİRİŞ STİLLERİ
   ========================================================================== */
.admin-login-dialog {
  max-width: 440px !important;
  text-align: center;
}

.admin-login-badge {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0ea5e9, #6366f1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px auto;
  color: white;
  box-shadow: 0 8px 25px var(--primary-glow);
}

.admin-pin-field {
  text-align: center;
  letter-spacing: 4px;
  font-size: 1.3rem !important;
  font-weight: 700;
}

.admin-login-error {
  color: #f87171;
  font-size: 0.82rem;
  margin-top: 8px;
  display: none;
}

/* Admin Yönetim Paneli Modal Dialog */
.admin-panel-dialog {
  max-width: 920px !important;
  max-height: 90vh;
  overflow-y: auto;
  padding: 36px 40px !important;
}

.admin-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 24px;
}

.admin-header-title {
  display: flex;
  align-items: center;
  gap: 14px;
}

.admin-header-title h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: #fff;
  font-weight: 800;
}

.admin-badge {
  background: rgba(14, 165, 233, 0.15);
  color: #38bdf8;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  border: 1px solid rgba(14, 165, 233, 0.3);
}

.admin-sections-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.admin-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
}

.admin-card-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #38bdf8;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.admin-inputs-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.admin-field-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.admin-field-row label {
  font-size: 0.85rem;
  color: #cbd5e1;
  flex: 1;
}

.admin-field-row .form-input {
  width: 140px;
  padding: 8px 12px;
  text-align: right;
  font-weight: 700;
}

.admin-actions-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 12px;
}

.btn-admin-save {
  padding: 12px 28px;
  background: linear-gradient(135deg, #0ea5e9, #2563eb);
  color: white;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 15px var(--primary-glow);
  transition: var(--transition);
}

.btn-admin-save:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--primary-glow);
}

.btn-admin-reset {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border-subtle);
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}

.btn-admin-reset:hover {
  color: #f87171;
  border-color: rgba(248, 113, 113, 0.4);
}

.btn-admin-logout {
  background: transparent;
  color: var(--text-muted);
  border: none;
  font-size: 0.85rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
}

.btn-admin-logout:hover {
  color: #fff;
}

/* Toast Bildirimleri */
.gebze-toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.gebze-toast {
  background: rgba(15, 23, 42, 0.96);
  border: 1px solid var(--border-light);
  color: #fff;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(12px);
  font-size: 0.92rem;
  font-weight: 600;
  opacity: 0;
  transform: translateY(-12px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: auto;
  max-width: 380px;
}

.gebze-toast.show {
  opacity: 1;
  transform: translateY(0);
}

.gebze-toast.toast-success {
  border-left: 4px solid #10b981;
}

.gebze-toast.toast-error {
  border-left: 4px solid #ef4444;
}

.gebze-toast.toast-info {
  border-left: 4px solid #0ea5e9;
}

/* Instagram akış bölümü ve menü bağlantısı gizli tutulur. */
.instagram-section,
.ig-nav-link {
  display: none !important;
}

/* Mobil Menü Sınıfı */
.nav-links.mobile-active {
  display: flex !important;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(7, 11, 20, 0.98);
  padding: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(16px);
  gap: 18px;
  box-shadow: 0 15px 30px rgba(0,0,0,0.5);
}

/* Duyarlı Tasarım Ekleri */
@media (max-width: 1024px) {
  .ds-main-grid {
    display: flex;
    flex-direction: column;
  }
  .ds-visual-pane {
    order: 1; /* Mobil ve tablette mimari çizim ve canlı fiyat en başta görünür */
    border-bottom: 1px solid var(--border-subtle);
  }
  .ds-controls-pane {
    order: 2; /* Ayarlar ve seçimler hemen altında listelenir */
    border-right: none;
    border-bottom: none;
    max-height: none;
    padding: 20px 16px;
    gap: 16px;
  }
  .ds-canvas-area {
    min-height: 220px;
    max-height: 260px;
    margin: 10px 12px;
    padding: 12px;
  }
  .ds-blueprint-svg {
    min-height: 200px;
    max-height: 240px;
  }
  .admin-sections-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .drawing-studio-section {
    padding: 50px 0 85px 0; /* Alttaki mobil sabit teklif barı için güvenli alan */
  }
  .ds-top-bar {
    padding: 16px;
    gap: 12px;
  }
  .ds-top-title h3 {
    font-size: 1.02rem;
  }
  .ds-presets-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
    gap: 6px;
  }
  .ds-preset-btn {
    justify-content: center;
    padding: 7px 10px;
    font-size: 0.78rem;
  }
  .ds-metrics-bar {
    grid-template-columns: repeat(2, 1fr);
    padding: 12px 14px;
    gap: 10px;
  }
  .ds-metric-item {
    text-align: center;
  }
  .ds-metric-label {
    font-size: 0.68rem;
  }
  .ds-metric-val {
    font-size: 1.05rem;
  }
  .ds-canvas-area {
    min-height: 190px;
    max-height: 220px;
    margin: 8px 10px;
    padding: 8px;
  }
  .ds-blueprint-svg {
    min-height: 180px;
    max-height: 210px;
  }
  .ds-bottom-summary {
    padding: 18px 16px;
    gap: 14px;
  }
  .ds-summary-rows {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .ds-price-box {
    padding: 14px;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .ds-price-value-group {
    text-align: left;
    width: 100%;
  }
  .ds-main-price {
    font-size: 1.6rem;
  }
  .ds-cta-actions {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .ds-btn-wa, .ds-btn-kesif {
    padding: 12px 16px;
    font-size: 0.88rem;
  }
  .ds-system-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .ds-options-subgrid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  /* Mobil Sabit Hızlı Teklif Barı (Açık ve Lüks Marka Teması) */
  .ds-mobile-sticky-bar {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background: rgba(255, 245, 247, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--border-subtle, #e4cad5);
    box-shadow: 0 -4px 20px rgba(41, 37, 44, 0.09);
    padding: 10px 14px calc(10px + env(safe-area-inset-bottom, 0px));
    align-items: center;
    justify-content: space-between;
    gap: 12px;
  }
  .ds-sticky-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
  }
  .ds-sticky-label {
    font-size: 0.72rem;
    color: var(--text-muted, #64525e);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.4px;
    margin-bottom: 2px;
  }
  .ds-sticky-price {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-main, #29252c);
    line-height: 1.1;
  }
  .ds-sticky-wa-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: #25d366;
    color: white;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.85rem;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.4);
    touch-action: manipulation;
    white-space: nowrap;
    text-decoration: none;
  }
  .ds-sticky-wa-btn:active {
    transform: scale(0.96);
    background: #20ba5a;
  }

  .admin-panel-dialog {
    padding: 24px !important;
  }
  .admin-field-row {
    flex-direction: column;
    align-items: flex-start;
  }
  .admin-field-row .form-input {
    width: 100%;
  }
}