/* ============================================
   kursatca.com — Design System
   Aesthetic: Midnight Luxe + Dark Editorial
   Inspired by: web tasarımı.md presets
   ============================================ */

/* ---------- Google Fonts (Midnight Luxe) ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Playfair+Display:ital,wght@0,400..900;1,400..900&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Colors — Premium Light Soft Neon Palette */
  --clr-bg-deep: linear-gradient(135deg, #FFE4EF 0%, #D4F8F4 50%, #E0E7FF 100%);
  --clr-bg-primary: #ffffff;
  --clr-bg-surface: rgba(255, 255, 255, 0.45);
  --clr-bg-elevated: rgba(255, 255, 255, 0.45);
  --clr-bg-glass: rgba(255, 255, 255, 0.15);
  --clr-border-subtle: rgba(255, 255, 255, 1);
  --clr-border-glass: rgba(255, 255, 255, 0.6);

  /* Accent Colors */
  --clr-primary: #7C3AED;  /* Purple */
  --clr-secondary: #06B6D4; /* Cyan */
  --clr-accent: #FF2D55; /* Vivid Pink */

  --clr-teal: var(--clr-secondary); 
  --clr-teal-glow: rgba(6, 182, 212, 0.15);
  --clr-teal-deep: #0891b2;
  --clr-amber: var(--clr-accent);
  --clr-amber-glow: rgba(255, 45, 85, 0.15);
  --clr-violet: var(--clr-primary);
  --clr-rose: var(--clr-accent);

  /* Text Colors */
  --clr-text-primary: #0B1324;
  --clr-text-secondary: #0B1324;
  --clr-text-muted: #4B5563;

  /* Typography — Inter + Playfair Display + JetBrains Mono */
  --ff-display: 'Inter', sans-serif;
  --ff-body: 'Inter', sans-serif;
  --ff-drama: 'Playfair Display', serif;
  --ff-mono: 'JetBrains Mono', monospace;
  --fs-hero: clamp(2.8rem, 6vw, 5.5rem);
  --fs-h1: clamp(2rem, 4vw, 3.5rem);
  --fs-h2: clamp(1.6rem, 3vw, 2.5rem);
  --fs-h3: clamp(1.2rem, 2vw, 1.5rem);
  --fs-body: 1.05rem;
  --fs-small: 0.9rem;
  --fs-xs: 0.78rem;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3.5rem;
  --space-2xl: 6rem;

  /* Borders & Radius — rounded system */
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 100px;

  /* Shadows for Light Mode */
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.05), 0 2px 10px rgba(0, 0, 0, 0.02);
  --shadow-glow-teal: 0 0 30px rgba(6, 182, 212, 0.2);
  --shadow-glow-amber: 0 0 30px rgba(255, 45, 85, 0.2);

  /* Transitions — magnetic feel */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-magnetic: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --duration-fast: 200ms;
  --duration-normal: 400ms;
  --duration-slow: 700ms;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--ff-body);
  font-size: var(--fs-body);
  color: var(--clr-text-primary);
  background: var(--clr-bg-deep);
  background-attachment: fixed;
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

a {
  color: var(--clr-teal);
  text-decoration: none;
  transition: color var(--duration-fast) ease;
}
a:hover {
  color: var(--clr-amber);
}

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

h1, h2, h3, h4 {
  font-family: var(--ff-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--clr-text-primary);
}

/* ---------- Animated Background (Grain + Mesh) ---------- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(255, 45, 85, 0.04), transparent 50%),
    radial-gradient(ellipse 60% 50% at 80% 80%, rgba(6, 182, 212, 0.04), transparent 50%),
    radial-gradient(ellipse 50% 40% at 50% 50%, rgba(124, 58, 237, 0.03), transparent 50%);
  pointer-events: none;
}
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.02'/%3E%3C/svg%3E");
  pointer-events: none;
  opacity: 0.6;
}

/* ---------- Custom SVG Icons ---------- */
.svg-icon {
  width: 1.2em;
  height: 1.2em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}
.cat-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}
.cat-icon .svg-icon {
  width: 34px;
  height: 34px;
  stroke-width: 1.8;
}
.btn .svg-icon {
  width: 1.1em;
  height: 1.1em;
  margin-right: 6px;
  vertical-align: middle;
}
.badge .svg-icon {
  width: 0.95em;
  height: 0.95em;
  margin-right: 4px;
  vertical-align: middle;
}
.hero-float-badge .svg-icon,
.fb-icon .svg-icon {
  width: 1.2em;
  height: 1.2em;
}

/* ---------- Utility Classes ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container-wide {
  max-width: 1600px;
  width: 95%;
}

.section {
  padding: 80px 0;
}

.section-edu {
  background: #F8FAFC; /* Used only if body requires it, e.g. solid white preference */
}

/* Premium Glassmorphism Container for Education Content */
.education-glass-wrapper {
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
  padding: 60px;
  position: relative;
  z-index: 1;
}
@media (max-width: 768px) {
  .education-glass-wrapper {
    padding: 30px 15px;
    border-radius: 16px;
  }
}

.lesson-article {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.lesson-intro-card {
  padding: 28px 30px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.08), rgba(6, 182, 212, 0.08));
  border: 1px solid rgba(255, 255, 255, 0.88);
}

.lesson-kicker {
  margin-bottom: 10px;
  font-size: var(--fs-xs);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-primary);
}

.lesson-lead {
  font-size: 1.1rem;
  line-height: 1.9;
  color: var(--clr-text-primary);
}

.lesson-highlight-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-md);
}

.lesson-highlight-card {
  padding: 24px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.86);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
}

.lesson-highlight-label {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(6, 182, 212, 0.1);
  color: var(--clr-secondary);
  font-size: var(--fs-xs);
  font-weight: 700;
}

.lesson-highlight-card h3 {
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.lesson-highlight-card p {
  color: var(--clr-text-secondary);
  line-height: 1.75;
}

.lesson-mini-box {
  padding: 22px 24px;
  border-left: 4px solid var(--clr-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: rgba(255, 255, 255, 0.38);
}

.lesson-mini-title {
  margin-bottom: 6px;
  font-weight: 800;
  color: var(--clr-text-primary);
}

.lesson-feedback-card {
  margin-top: var(--space-xl);
  padding: 28px 30px;
  border-radius: 28px;
  background:
    radial-gradient(circle at top right, rgba(255, 45, 85, 0.12), transparent 28%),
    radial-gradient(circle at bottom left, rgba(6, 182, 212, 0.12), transparent 32%),
    rgba(255, 255, 255, 0.48);
  border: 1px solid rgba(255, 255, 255, 0.9);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 22px;
  align-items: center;
}

.lesson-feedback-copy h2 {
  margin: 14px 0 10px;
  font-size: clamp(1.4rem, 2.5vw, 2rem);
}

.lesson-feedback-copy p {
  color: var(--clr-text-secondary);
  line-height: 1.8;
}

.lesson-feedback-actions {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.lesson-like-btn,
.lesson-contact-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.88);
  background: rgba(255, 255, 255, 0.72);
  color: var(--clr-text-primary);
  text-decoration: none;
  font-family: var(--ff-body);
  transition: transform var(--duration-fast) ease, box-shadow var(--duration-fast) ease, border-color var(--duration-fast) ease;
}

.lesson-like-btn {
  cursor: pointer;
}

.lesson-like-btn:hover,
.lesson-contact-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.08);
  color: var(--clr-text-primary);
}

.lesson-like-icon,
.lesson-contact-icon {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.12), rgba(6, 182, 212, 0.12));
  flex-shrink: 0;
  font-size: 1.1rem;
}

.lesson-like-btn.is-liked {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.12), rgba(255, 45, 85, 0.12));
  border-color: rgba(124, 58, 237, 0.24);
}

.lesson-contact-btn strong {
  display: block;
  margin-bottom: 3px;
}

@media (max-width: 768px) {
  .lesson-highlight-grid {
    grid-template-columns: 1fr;
  }

  .lesson-feedback-card {
    grid-template-columns: 1fr;
    padding: 22px 18px;
  }

  .lesson-intro-card,
  .lesson-highlight-card,
  .lesson-mini-box {
    padding: 20px 18px;
  }
}

.education-page .section {
  position: relative;
}

.section-ai {
  background: linear-gradient(135deg, #EEF2FF, #E0F2FE);
}

.section-blog {
  background: #FFFFFF;
}

.text-gradient {
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-alt {
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border: 1px solid var(--clr-border-subtle);
  background: var(--clr-bg-glass);
  color: var(--clr-teal);
  backdrop-filter: blur(10px);
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
  transition: background var(--duration-normal) ease,
              box-shadow var(--duration-normal) ease,
              padding var(--duration-normal) ease;
}

.nav.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px) saturate(1.3);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  padding: var(--space-md) 0;
}

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

.nav-logo {
  font-family: var(--ff-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--clr-text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-logo .dot {
  width: 10px;
  height: 10px;
  background: var(--clr-teal);
  border-radius: 50%;
  display: inline-block;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.5); opacity: 0.6; }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
}

.nav-links a {
  color: var(--clr-text-secondary);
  font-weight: 500;
  font-size: var(--fs-small);
  letter-spacing: 0.3px;
  position: relative;
  padding: 4px 0;
  transition: color var(--duration-fast) ease;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--clr-teal);
  border-radius: 2px;
  transition: width var(--duration-normal) var(--ease-out-expo);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--clr-primary);
  font-weight: 700;
}
.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--clr-text-primary);
  border-radius: 2px;
  transition: all var(--duration-normal) var(--ease-out-expo);
}
.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- HERO Section ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

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

.hero-eyebrow {
  margin-bottom: var(--space-md);
}

.hero-title {
  font-size: var(--fs-hero);
  font-weight: 800;
  margin-bottom: var(--space-md);
  letter-spacing: -1.5px;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--clr-text-secondary);
  max-width: 500px;
  margin-bottom: var(--space-xl);
  line-height: 1.8;
}

.hero-cta-group {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: var(--radius-pill);
  font-family: var(--ff-body);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.3px;
  cursor: pointer;
  border: none;
  transition: all var(--duration-normal) var(--ease-out-expo);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  color: #ffffff;
  box-shadow: 0 10px 25px rgba(124, 58, 237, 0.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(124, 58, 237, 0.4);
  color: #ffffff;
}

.btn-ghost {
  background: transparent;
  color: var(--clr-text-primary);
  border: 1px solid var(--clr-border-glass);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover {
  background: var(--clr-bg-glass);
  border-color: var(--clr-teal);
  color: var(--clr-teal);
  transform: translateY(-2px);
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-avatar-wrapper {
  position: relative;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: linear-gradient(135deg, #FFF0F6, #EEF2FF);
}

.hero-avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--clr-border-subtle);
  position: relative;
  z-index: 2;
}

.hero-avatar-ring {
  position: absolute;
  inset: -15px;
  border-radius: 50%;
  border: 1px solid var(--clr-border-subtle);
  animation: ring-rotate 20s linear infinite;
}
.hero-avatar-ring::before {
  content: '';
  position: absolute;
  top: -4px;
  left: 50%;
  width: 8px;
  height: 8px;
  background: var(--clr-teal);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--clr-teal);
}
@keyframes ring-rotate {
  to { transform: rotate(360deg); }
}

.hero-avatar-glow {
  position: absolute;
  inset: -30px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--clr-teal-glow), transparent 70%);
  filter: blur(20px);
  z-index: 0;
  animation: glow-breathe 4s ease-in-out infinite;
}
@keyframes glow-breathe {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.05); }
}

/* Floating stat badges near avatar */
.hero-float-badge {
  position: absolute;
  z-index: 3;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  background: var(--clr-bg-glass);
  backdrop-filter: blur(16px);
  border: 1px solid var(--clr-border-glass);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--clr-text-primary);
  box-shadow: var(--shadow-card);
  animation: float-badge 6s ease-in-out infinite;
  white-space: nowrap;
}
.hero-float-badge:nth-child(3) {
  top: 10%;
  right: -20px;
  animation-delay: 0s;
}
.hero-float-badge:nth-child(4) {
  bottom: 15%;
  left: -30px;
  animation-delay: 2s;
}
.hero-float-badge:nth-child(5) {
  bottom: 5%;
  right: 0;
  animation-delay: 4s;
}
.hero-float-badge .fb-icon {
  font-size: 1.1rem;
  margin-right: 4px;
}
@keyframes float-badge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ---------- Category Cards Section ---------- */
.categories {
  position: relative;
}

.categories-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}
.categories-header h2 {
  font-size: var(--fs-h2);
  margin-bottom: var(--space-sm);
}
.categories-header p {
  color: var(--clr-text-secondary);
  max-width: 550px;
  margin: 0 auto;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.cat-card {
  position: relative;
  padding: var(--space-xl) var(--space-lg);
  border-radius: var(--radius-lg);
  background: var(--clr-bg-surface);
  border: 1px solid var(--clr-border-glass);
  overflow: hidden;
  transition: all var(--duration-slow) var(--ease-out-expo);
  cursor: pointer;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.cat-card::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--duration-slow) ease;
  z-index: 0;
}
.cat-card:nth-child(1)::before {
  background: linear-gradient(160deg, rgba(0, 212, 170, 0.08), transparent 60%);
}
.cat-card:nth-child(2)::before {
  background: linear-gradient(160deg, rgba(139, 92, 246, 0.08), transparent 60%);
}
.cat-card:nth-child(3)::before {
  background: linear-gradient(160deg, rgba(255, 140, 66, 0.08), transparent 60%);
}

.cat-card:hover {
  transform: translateY(-6px);
  border-color: var(--clr-border-subtle);
  box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}
.cat-card:hover::before {
  opacity: 1;
}

.cat-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, #7C3AED, #06B6D4);
  z-index: 10;
}

.cat-card > * {
  position: relative;
  z-index: 1;
}

.cat-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
}
.cat-card:nth-child(1) .cat-icon {
  background: rgba(0, 212, 170, 0.12);
}
.cat-card:nth-child(2) .cat-icon {
  background: rgba(139, 92, 246, 0.12);
}
.cat-card:nth-child(3) .cat-icon {
  background: rgba(255, 140, 66, 0.12);
}

.cat-card h3 {
  font-size: var(--fs-h3);
}
.cat-card p {
  color: var(--clr-text-secondary);
  font-size: var(--fs-small);
  line-height: 1.7;
  flex-grow: 1;
}

.cat-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.cat-tag {
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: var(--fs-xs);
  font-weight: 500;
  background: var(--clr-bg-elevated);
  color: var(--clr-text-secondary);
  border: 1px solid var(--clr-border-glass);
}

.cat-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-small);
  font-weight: 600;
  margin-top: var(--space-sm);
  transition: gap var(--duration-normal) var(--ease-out-expo);
}
.cat-card:nth-child(1) .cat-arrow { color: var(--clr-teal); }
.cat-card:nth-child(2) .cat-arrow { color: var(--clr-violet); }
.cat-card:nth-child(3) .cat-arrow { color: var(--clr-amber); }
.cat-card:hover .cat-arrow {
  gap: 12px;
}

/* ---------- Stats Bar ---------- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  padding: var(--space-xl) 0;
}

.stat-item {
  text-align: center;
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  background: var(--clr-bg-surface);
  border: 1px solid var(--clr-border-glass);
  transition: transform var(--duration-normal) var(--ease-out-expo);
}
.stat-item:hover {
  transform: translateY(-4px);
}
.stat-number {
  font-family: var(--ff-display);
  font-size: var(--fs-h2);
  font-weight: 800;
  display: block;
  margin-bottom: 4px;
}
.stat-item:nth-child(1) .stat-number { color: var(--clr-teal); }
.stat-item:nth-child(2) .stat-number { color: var(--clr-amber); }
.stat-item:nth-child(3) .stat-number { color: var(--clr-violet); }
.stat-item:nth-child(4) .stat-number { color: var(--clr-rose); }
.stat-label {
  color: var(--clr-text-muted);
  font-size: var(--fs-small);
}

/* ---------- Footer ---------- */
.footer {
  padding: var(--space-xl) 0 var(--space-lg);
  border-top: 1px solid var(--clr-border-glass);
  margin-top: var(--space-xl);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}
.footer-copy {
  color: var(--clr-text-muted);
  font-size: var(--fs-small);
}
.footer-links {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
}
.footer-links a {
  color: var(--clr-text-muted);
  font-size: var(--fs-small);
  transition: color var(--duration-fast) ease;
}
.footer-links a:hover {
  color: var(--clr-teal);
}

/* ---------- Page Header (for sub-pages) ---------- */
.page-header {
  padding: calc(80px + var(--space-2xl)) 0 var(--space-xl);
  position: relative;
  text-align: center;
}
.page-header h1 {
  font-size: var(--fs-h1);
  margin-bottom: var(--space-sm);
}
.page-header p {
  color: var(--clr-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.1rem;
}

/* ---------- Tab System ---------- */
.tab-bar {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-bottom: var(--space-xl);
  padding: 4px;
  background: var(--clr-bg-surface);
  border-radius: var(--radius-pill);
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
  border: 1px solid var(--clr-border-glass);
}
.tab-btn {
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  border: none;
  background: transparent;
  color: var(--clr-text-secondary);
  font-family: var(--ff-body);
  font-size: var(--fs-small);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out-expo);
}
.tab-btn.active {
  background: var(--clr-teal);
  color: var(--clr-bg-deep);
}
.tab-btn:hover:not(.active) {
  color: var(--clr-text-primary);
  background: var(--clr-bg-elevated);
}

.tab-panel {
  display: none;
}
.tab-panel.active {
  display: block;
  animation: fadeUp 0.5s var(--ease-out-expo);
}

/* ---------- Content Cards (Eğitim, Blog) ---------- */
.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-lg);
}

.content-card {
  border-radius: var(--radius-lg);
  background: var(--clr-bg-surface);
  border: 1px solid var(--clr-border-glass);
  overflow: hidden;
  transition: all var(--duration-slow) var(--ease-out-expo);
}
.content-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card);
  border-color: var(--clr-border-subtle);
}

.content-card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.content-card-body {
  padding: var(--space-lg);
}
.content-card-body h3 {
  font-size: 1.15rem;
  margin-bottom: var(--space-xs);
}
.content-card-body p {
  color: var(--clr-text-secondary);
  font-size: var(--fs-small);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}
.content-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
}

/* ---------- YZ Feature Grid ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.feature-item {
  padding: var(--space-xl) var(--space-lg);
  border-radius: var(--radius-lg);
  background: var(--clr-bg-surface);
  border: 1px solid var(--clr-border-glass);
  transition: all var(--duration-slow) var(--ease-out-expo);
  position: relative;
  overflow: hidden;
}
.feature-item::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-teal), var(--clr-violet));
  opacity: 0;
  transition: opacity var(--duration-normal) ease;
}
.feature-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.feature-item:hover::after {
  opacity: 1;
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}
.feature-item h3 {
  margin-bottom: var(--space-xs);
}
.feature-item p {
  color: var(--clr-text-secondary);
  font-size: var(--fs-small);
  line-height: 1.7;
}

/* ---------- Blog Post List ---------- */
.blog-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.blog-entry {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-lg);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  background: var(--clr-bg-surface);
  border: 1px solid var(--clr-border-glass);
  transition: all var(--duration-slow) var(--ease-out-expo);
  text-decoration: none;
  color: inherit;
}
.blog-entry:hover {
  transform: translateX(6px);
  border-color: var(--clr-border-subtle);
  box-shadow: var(--shadow-card);
  color: inherit;
}
.blog-entry img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}
.blog-entry-body h3 {
  font-size: 1.2rem;
  margin-bottom: var(--space-xs);
}
.blog-entry-body p {
  color: var(--clr-text-secondary);
  font-size: var(--fs-small);
  line-height: 1.7;
  margin-bottom: var(--space-sm);
}
.blog-entry-meta {
  display: flex;
  gap: var(--space-md);
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
}

.site-search-launcher {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 1400;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
  color: var(--clr-text-primary);
  font-family: var(--ff-body);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform var(--duration-fast) ease, box-shadow var(--duration-fast) ease, border-color var(--duration-fast) ease;
}

.site-search-launcher:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 45px rgba(15, 23, 42, 0.16);
  border-color: rgba(124, 58, 237, 0.25);
}

.site-search-launcher .svg-icon {
  width: 1rem;
  height: 1rem;
}

.site-search-shortcut {
  padding: 5px 8px;
  border-radius: 999px;
  background: rgba(11, 19, 36, 0.06);
  color: var(--clr-text-muted);
  font-size: 0.75rem;
  font-weight: 700;
}

.site-search-overlay {
  position: fixed;
  inset: 0;
  z-index: 1500;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 88px 20px 24px;
  background: rgba(11, 19, 36, 0.34);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.site-search-overlay.open {
  display: flex;
}

.site-search-panel {
  width: min(920px, 100%);
  max-height: calc(100vh - 120px);
  overflow: hidden;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.78);
  background:
    radial-gradient(circle at top right, rgba(255, 45, 85, 0.14), transparent 28%),
    radial-gradient(circle at bottom left, rgba(6, 182, 212, 0.14), transparent 34%),
    rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(24px) saturate(1.45);
  -webkit-backdrop-filter: blur(24px) saturate(1.45);
  box-shadow: 0 32px 80px rgba(15, 23, 42, 0.18);
}

.site-search-head {
  padding: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.8);
}

.site-search-form {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.88);
}

.site-search-form .svg-icon {
  width: 1.1rem;
  height: 1.1rem;
  color: var(--clr-primary);
  flex-shrink: 0;
}

.site-search-input {
  width: 100%;
  border: none;
  outline: none;
  background: transparent;
  color: var(--clr-text-primary);
  font-family: var(--ff-body);
  font-size: 1.02rem;
}

.site-search-input::placeholder {
  color: var(--clr-text-muted);
}

.site-search-close {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 14px;
  background: rgba(11, 19, 36, 0.06);
  color: var(--clr-text-primary);
  cursor: pointer;
  transition: background var(--duration-fast) ease, transform var(--duration-fast) ease;
}

.site-search-close:hover {
  background: rgba(11, 19, 36, 0.1);
  transform: rotate(90deg);
}

.site-search-body {
  max-height: calc(100vh - 220px);
  overflow: auto;
  padding: 18px;
}

.site-search-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  color: var(--clr-text-muted);
  font-size: 0.88rem;
}

.site-search-results {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.site-search-result {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: start;
  padding: 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.82);
  text-decoration: none;
  color: inherit;
  transition: transform var(--duration-fast) ease, box-shadow var(--duration-fast) ease, border-color var(--duration-fast) ease;
}

.site-search-result:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(15, 23, 42, 0.08);
  border-color: rgba(124, 58, 237, 0.18);
  color: inherit;
}

.site-search-result-icon {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.12), rgba(6, 182, 212, 0.12));
  color: var(--clr-primary);
}

.site-search-result-main {
  min-width: 0;
}

.site-search-result-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.site-search-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(124, 58, 237, 0.08);
  color: var(--clr-primary);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.site-search-result h3 {
  font-size: 1rem;
  margin: 0;
}

.site-search-result p {
  margin: 0;
  color: var(--clr-text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
}

.site-search-result-path {
  color: var(--clr-text-muted);
  font-size: 0.8rem;
  white-space: nowrap;
}

.site-search-empty {
  padding: 34px 18px;
  text-align: center;
  color: var(--clr-text-secondary);
}

/* ---------- Scroll Animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Keyframes ---------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

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

@keyframes heroEntrance {
  from { opacity: 0; transform: translateY(40px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.hero-content {
  animation: heroEntrance 1s var(--ease-out-expo) 0.1s both;
}
.hero-visual {
  animation: heroEntrance 1s var(--ease-out-expo) 0.3s both;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    flex-direction: column;
    padding: 100px var(--space-lg) var(--space-lg);
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(24px);
    border-left: 1px solid rgba(0, 0, 0, 0.05);
    transition: right var(--duration-slow) var(--ease-out-expo);
    gap: var(--space-md);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.04);
  }
  .nav-links.open {
    right: 0;
  }
  .nav-toggle {
    display: flex;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-xl);
  }
  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-cta-group {
    justify-content: center;
  }
  .hero-avatar-wrapper {
    width: 240px;
    height: 240px;
    margin: 0 auto;
  }
  .hero-float-badge:nth-child(5) {
    display: none;
  }

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

  .blog-entry {
    grid-template-columns: 1fr;
  }
  .blog-entry img {
    height: 180px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .site-search-launcher {
    right: 16px;
    bottom: 16px;
    padding: 13px 15px;
  }

  .site-search-shortcut {
    display: none;
  }

  .site-search-overlay {
    padding: 72px 12px 12px;
  }

  .site-search-panel {
    max-height: calc(100vh - 84px);
    border-radius: 24px;
  }

  .site-search-form {
    gap: 10px;
    padding: 12px 12px;
  }

  .site-search-result {
    grid-template-columns: 1fr;
  }

  .site-search-result-path {
    white-space: normal;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.2rem;
  }
  .stats-bar {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   About Page (Hakkımda)
   ============================================ */

.about-glass-card {
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 24px;
  padding: 52px 56px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
}
.about-glass-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, #7C3AED, #06B6D4);
}

.about-lead {
  font-family: var(--ff-display);
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  font-weight: 800;
  color: var(--clr-text-primary);
  line-height: 1.3;
  margin-bottom: var(--space-xl);
  letter-spacing: -0.02em;
}

.about-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}
.about-body p {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--clr-text-secondary);
}

.about-list-block {
  background: rgba(124, 58, 237, 0.04);
  border: 1px solid rgba(124, 58, 237, 0.1);
  border-radius: 16px;
  padding: 28px 32px;
}
.about-list-label {
  font-weight: 700;
  color: var(--clr-text-primary);
  margin-bottom: 16px !important;
  font-size: 0.95rem;
}
.about-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.about-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--clr-text-secondary);
}
.about-list-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: rgba(124, 58, 237, 0.1);
  border-radius: 6px;
  flex-shrink: 0;
  margin-top: 1px;
}
.about-list-icon svg {
  width: 12px;
  height: 12px;
  stroke: var(--clr-primary);
  stroke-width: 3;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.about-quote {
  background: linear-gradient(135deg, rgba(124,58,237,0.06), rgba(6,182,212,0.06));
  border-left: 3px solid var(--clr-primary);
  border-radius: 0 12px 12px 0;
  padding: 20px 24px;
}
.about-quote p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--clr-text-primary) !important;
}
.about-quote strong {
  font-family: var(--ff-display);
  font-size: 1.15rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Contact Card */
.about-contact-card {
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 24px;
  padding: 40px 48px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
}
.about-contact-header {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-display);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--clr-text-primary);
  margin-bottom: 8px;
}
.about-contact-header .svg-icon {
  width: 22px;
  height: 22px;
  stroke: var(--clr-primary);
}
.about-contact-sub {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  margin-bottom: 24px;
}
.about-social-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Social Buttons */
.social-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.6);
  background: rgba(255,255,255,0.5);
  backdrop-filter: blur(10px);
  text-decoration: none;
  color: var(--clr-text-primary);
  transition: all 0.22s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.social-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.1);
  color: var(--clr-text-primary);
}
.social-x:hover { border-color: rgba(0, 0, 0, 0.25); background: rgba(0,0,0,0.04); }
.social-linkedin:hover { border-color: rgba(10, 102, 194, 0.3); background: rgba(10,102,194,0.04); }

.social-btn-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  flex-shrink: 0;
}
.social-x .social-btn-icon { background: rgba(0,0,0,0.06); color: #000; }
.social-linkedin .social-btn-icon { background: rgba(10,102,194,0.08); color: #0A66C2; }
.social-btn-icon svg { width: 20px; height: 20px; }

.social-btn-label {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.social-btn-title {
  font-weight: 700;
  font-size: 0.9rem;
  font-family: var(--ff-display);
}
.social-btn-handle {
  font-size: 0.8rem;
  color: var(--clr-text-muted);
}

.social-btn-arrow {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-text-muted);
  transition: transform 0.22s ease;
}
.social-btn-arrow svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.social-btn:hover .social-btn-arrow { transform: translateX(3px); }

@media (max-width: 768px) {
  .about-glass-card { padding: 32px 24px; }
  .about-contact-card { padding: 28px 20px; }
  .about-lead { font-size: 1.2rem; }
  .about-list-block { padding: 20px; }
}

/* ============================================
   About Page Refresh
   ============================================ */

.about-section {
  position: relative;
}

.about-shell {
  max-width: 1180px;
}

.about-page-header p {
  max-width: 720px;
}

.about-hero-card {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 28px;
  align-items: center;
  padding: 34px;
  margin-bottom: 28px;
  border-radius: 32px;
  background:
    radial-gradient(circle at top left, rgba(255, 45, 85, 0.14), transparent 32%),
    radial-gradient(circle at bottom right, rgba(6, 182, 212, 0.16), transparent 34%),
    rgba(255, 255, 255, 0.42);
  backdrop-filter: blur(22px) saturate(1.4);
  -webkit-backdrop-filter: blur(22px) saturate(1.4);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
  position: relative;
  overflow: hidden;
}

.about-hero-copy {
  position: relative;
  z-index: 1;
}

.about-badge-soft {
  background: rgba(255, 255, 255, 0.55);
  color: var(--clr-primary);
}

.about-hero-title {
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin: 18px 0 18px;
  max-width: 12ch;
}

.about-hero-text {
  font-size: 1.02rem;
  line-height: 1.9;
  color: var(--clr-text-secondary);
  max-width: 58ch;
}

.about-hero-text + .about-hero-text {
  margin-top: 10px;
}

.about-visual-card {
  position: relative;
  min-height: 440px;
  border-radius: 28px;
  padding: 24px;
  background: linear-gradient(145deg, rgba(124, 58, 237, 0.12), rgba(6, 182, 212, 0.12));
  border: 1px solid rgba(255, 255, 255, 0.7);
  overflow: hidden;
}

.about-visual-orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(8px);
  opacity: 0.7;
}

.about-orb-one {
  top: 18px;
  right: 24px;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(255, 45, 85, 0.5), transparent 70%);
}

.about-orb-two {
  bottom: 14px;
  left: 10px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.42), transparent 70%);
}

.about-photo-frame {
  position: relative;
  height: 100%;
  min-height: 392px;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.78);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.12);
  background: linear-gradient(180deg, rgba(255,255,255,0.5), rgba(255,255,255,0.2));
}

.about-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-photo-overlay {
  position: absolute;
  inset: auto 16px 16px 16px;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(11, 19, 36, 0.45);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #fff;
}

.about-photo-overlay p {
  color: rgba(255, 255, 255, 0.84);
  font-size: 0.88rem;
  line-height: 1.5;
}

.about-photo-tag {
  display: inline-flex;
  align-items: center;
  margin-bottom: 8px;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.about-floating-note {
  position: absolute;
  z-index: 2;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.88);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--clr-text-primary);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.note-top {
  top: 18px;
  left: 18px;
}

.note-bottom {
  right: 22px;
  bottom: 22px;
}

.about-content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 24px;
  align-items: start;
}

.about-story-card {
  margin-bottom: 0;
}

.about-contact-panel {
  position: sticky;
  top: 108px;
}

.about-list-block {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.07), rgba(6, 182, 212, 0.06));
  border: 1px solid rgba(124, 58, 237, 0.12);
  border-radius: 20px;
}

.about-contact-card {
  position: relative;
  overflow: hidden;
}

.about-contact-card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, #06B6D4, #7C3AED, #FF2D55);
}

.social-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.22s ease;
}

.social-btn:hover::before {
  opacity: 1;
}

.social-x::before {
  background: linear-gradient(135deg, rgba(17, 24, 39, 0.07), rgba(124, 58, 237, 0.05));
}

.social-linkedin::before {
  background: linear-gradient(135deg, rgba(10, 102, 194, 0.08), rgba(6, 182, 212, 0.06));
}

.social-x:hover {
  border-color: rgba(17, 24, 39, 0.16);
  background: rgba(0,0,0,0.04);
}

.social-linkedin:hover {
  border-color: rgba(10, 102, 194, 0.22);
  background: rgba(10,102,194,0.04);
}

@media (max-width: 900px) {
  .about-hero-card {
    grid-template-columns: 1fr;
    padding: 22px;
  }

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

  .about-contact-panel {
    position: static;
  }
}

@media (max-width: 768px) {
  .about-visual-card {
    min-height: 360px;
  }

  .about-photo-frame {
    min-height: 320px;
  }
}

@media (max-width: 480px) {
  .about-hero-title {
    max-width: none;
  }

  .about-visual-card {
    padding: 14px;
    min-height: 300px;
  }

  .about-floating-note {
    font-size: 0.7rem;
    padding: 8px 12px;
  }
}

/* ============================================
   Education Page — Tabs, Grade Sub-tabs,
   Accordion Units, Topic List
   ============================================ */


/* ---------- Page Header ---------- */
.page-header {
  text-align: center;
  padding: calc(var(--space-2xl) + 60px) var(--space-lg) var(--space-xl);
}
.page-header h1 {
  font-family: var(--ff-display);
  font-weight: 800;
  letter-spacing: -0.03em;
}
.page-header p {
  color: var(--clr-text-secondary);
  font-size: var(--fs-body);
  max-width: 600px;
  margin: var(--space-sm) auto 0;
}

/* ---------- Main Tabs (Ortaokul / Lise) ---------- */
.tab-bar {
  display: flex;
  justify-content: center;
  gap: 0;
  margin-bottom: var(--space-xl);
  background: var(--clr-bg-surface);
  border-radius: var(--radius-pill);
  padding: 5px;
  border: 1px solid var(--clr-border-glass);
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.tab-btn {
  font-family: var(--ff-body);
  font-size: var(--fs-small);
  font-weight: 600;
  padding: 10px 28px;
  border-radius: var(--radius-pill);
  border: none;
  background: transparent;
  color: var(--clr-text-secondary);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-magnetic);
}
.tab-btn:hover {
  color: var(--clr-text-primary);
}
.tab-btn.active {
  background: var(--clr-teal);
  color: var(--clr-bg-deep);
  box-shadow: 0 2px 12px var(--clr-teal-glow);
}

.tab-panel {
  display: none;
}
.tab-panel.active {
  display: flex;
  gap: var(--space-xl);
  align-items: flex-start;
  animation: fadeUp 0.5s var(--ease-out-expo);
}

@media (max-width: 768px) {
  .tab-panel.active {
    flex-direction: column;
    gap: var(--space-md);
  }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Grade Sub-Tabs ---------- */

.grade-tabs {
  display: flex;
  flex-direction: column;
  flex: 0 0 250px;
  gap: 12px;
  position: sticky;
  top: 100px;
}

@media (max-width: 768px) {
  .grade-tabs {
    flex-direction: row;
    flex-wrap: wrap;
    flex: none;
    position: static;
    margin-bottom: var(--space-md);
  }
}

.grade-btn {
  padding: 14px 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--clr-border-glass);
  background: var(--clr-bg-surface);
  color: var(--clr-text-secondary);
  font-family: var(--ff-display);
  font-size: var(--fs-body);
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out-expo);
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.grade-btn::after {
  content: "→";
  opacity: 0;
  transform: translateX(-10px);
  transition: all var(--duration-fast) var(--ease-out-expo);
}
.grade-btn:hover::after, .grade-btn.active::after {
  opacity: 1;
  transform: translateX(0);
}
.grade-btn:hover {
  border-color: var(--clr-border-subtle);
  color: var(--clr-text-primary);
  transform: translateY(-2px);
}
.grade-btn[data-grade="5"].active { background: var(--clr-teal); color: var(--clr-bg-deep); border-color: var(--clr-teal); }
.grade-btn[data-grade="6"].active { background: var(--clr-violet); color: #fff; border-color: var(--clr-violet); }
.grade-btn[data-grade="7"].active { background: var(--clr-amber); color: var(--clr-bg-deep); border-color: var(--clr-amber); }
.grade-btn[data-grade="8"].active { background: var(--clr-rose); color: #fff; border-color: var(--clr-rose); }

.grade-panel {
  display: none;
  flex: 1;
  min-width: 0;
  background: transparent;
  padding: 0;
  border: none;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.grade-panel.active {
  display: block;
  animation: fadeUp 0.6s var(--ease-magnetic);
}

.unit-list { 
  display: grid; 
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); 
  gap: var(--space-lg); 
}

.unit-accordion {
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(28px) saturate(1.8);
  -webkit-backdrop-filter: blur(28px) saturate(1.8);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 8px 32px rgba(31, 38, 135, 0.05);
  overflow: hidden;
  transition: all var(--duration-normal) ease;
  display: flex;
  flex-direction: column;
  position: relative;
}
.unit-accordion::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, #7C3AED, #06B6D4);
  z-index: 10;
}
.unit-accordion:hover { 
  background: rgba(255, 255, 255, 0.6);
  border-color: rgba(124, 58, 237, 0.4); 
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08); 
  transform: translateY(-6px);
}

.unit-header {
  display: flex; align-items: flex-start; gap: var(--space-sm);
  padding: var(--space-lg) var(--space-lg) var(--space-sm); 
  cursor: pointer;
  user-select: none;
}

.unit-body {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: all 0.5s var(--ease-out-expo);
  padding: 0 var(--space-lg);
}

.unit-accordion.active .unit-body {
  max-height: 2000px;
  opacity: 1;
  padding-bottom: var(--space-lg);
}

.unit-accordion.active .unit-toggle svg {
  transform: rotate(180deg);
}

.unit-toggle svg {
  transition: transform 0.4s var(--ease-out-expo);
}

.unit-number {
  display: flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; border-radius: var(--radius-sm);
  font-family: var(--ff-display); font-size: 1rem; font-weight: 800; flex-shrink: 0;
}
.grade-5 .unit-number { background: rgba(0,212,170,0.12); color: var(--clr-teal); }
.grade-6 .unit-number { background: rgba(139,92,246,0.12); color: var(--clr-violet); }
.grade-7 .unit-number { background: rgba(255,140,66,0.12); color: var(--clr-amber); }
.grade-8 .unit-number { background: rgba(244,63,94,0.12); color: var(--clr-rose); }

.unit-info { flex-grow: 1; }
.unit-info h3 { font-size: 1.05rem; margin-bottom: 2px; }
.unit-info .unit-meta { font-size: var(--fs-xs); color: var(--clr-text-muted); }

.unit-toggle {
  display: none;
}

.unit-body { 
  display: block;
}

.unit-divider { 
  display: none; 
}

.topic-list { 
  padding: 0 var(--space-md) var(--space-md); 
  display: flex; 
  flex-direction: column; 
  gap: 7px; 
  flex-grow: 1;
}

/* Premium Interactive Topic Button */
.topic-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  border-radius: 14px;
  text-decoration: none;
  color: var(--clr-text-primary);
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  transition: all 0.25s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.topic-item::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(124,58,237,0.05), rgba(6,182,212,0.05));
  transition: opacity 0.25s ease;
}
.topic-item:hover {
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(168, 85, 247, 0.4);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
  transform: translateY(-4px);
  color: var(--clr-text-primary);
}
.topic-item:hover::before { opacity: 1; }

.topic-num {
  font-family: var(--ff-display);
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--clr-primary);
  background: rgba(124, 58, 237, 0.09);
  min-width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  flex-shrink: 0;
  letter-spacing: -0.3px;
}

.topic-title {
  flex-grow: 1;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.45;
  color: var(--clr-text-primary);
}

.topic-badge {
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  flex-shrink: 0;
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.2);
  color: var(--clr-secondary);
}

.topic-arrow {
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  opacity: 0;
  transform: translateX(-6px);
  transition: all 0.25s ease;
  color: var(--clr-primary);
}
.topic-arrow svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  stroke-width: 2.5;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.topic-item:hover .topic-arrow {
  opacity: 1;
  transform: translateX(4px);
}

.grade-summary { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); margin-bottom: var(--space-xl); }
.grade-summary-item { text-align: center; padding: var(--space-md); border-radius: var(--radius-md); background: rgba(255, 255, 255, 0.45); backdrop-filter: blur(28px) saturate(1.8); -webkit-backdrop-filter: blur(28px) saturate(1.8); border: 1px solid rgba(255, 255, 255, 0.9); box-shadow: 0 8px 32px rgba(31, 38, 135, 0.05); }
.grade-summary-item .gs-number { font-family: var(--ff-display); font-size: var(--fs-h3); font-weight: 800; display: block; }
.grade-summary-item .gs-label { font-size: var(--fs-xs); color: var(--clr-text-muted); }
.grade-5 .gs-number { color: var(--clr-teal); }
.grade-6 .gs-number { color: var(--clr-violet); }
.grade-7 .gs-number { color: var(--clr-amber); }
.grade-8 .gs-number { color: var(--clr-rose); }

@media (max-width: 768px) {
  .grade-tabs { gap: 6px; }
  .grade-btn { padding: 8px 16px; font-size: var(--fs-xs); }
  .unit-header { padding: var(--space-md); }
  .topic-list { padding: 0 var(--space-md) var(--space-md); }
  .topic-item { padding: 10px 12px; }
  .grade-summary { grid-template-columns: 1fr; }
}

/* ---------- Lise Grade Colors (9-12) ---------- */
.grade-btn[data-grade="9"].active { background: #3b82f6; color: #fff; border-color: #3b82f6; }
.grade-btn[data-grade="10"].active { background: #10b981; color: var(--clr-bg-deep); border-color: #10b981; }
.grade-btn[data-grade="11"].active { background: #f59e0b; color: var(--clr-bg-deep); border-color: #f59e0b; }
.grade-btn[data-grade="12"].active { background: #ef4444; color: #fff; border-color: #ef4444; }
.grade-9 .unit-number { background: rgba(59,130,246,0.12); color: #3b82f6; }
.grade-10 .unit-number { background: rgba(16,185,129,0.12); color: #10b981; }
.grade-11 .unit-number { background: rgba(245,158,11,0.12); color: #f59e0b; }
.grade-12 .unit-number { background: rgba(239,68,68,0.12); color: #ef4444; }
.grade-9 .gs-number { color: #3b82f6; }
.grade-10 .gs-number { color: #10b981; }
.grade-11 .gs-number { color: #f59e0b; }
.grade-12 .gs-number { color: #ef4444; }

/* ============================================
   ARCHIVE / HAZINE KUTUSU (Interactive)
   ============================================ */

.special-archive-area {
  margin: 32px 0 40px;
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 28px;
  overflow: hidden;
  transition: all 0.5s var(--ease-out-expo);
  box-shadow: 0 15px 45px rgba(0, 0, 0, 0.05);
}

.archive-header {
  padding: 24px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.04), rgba(6, 182, 212, 0.04));
  transition: background 0.3s ease;
}

.archive-header:hover {
  background: rgba(255, 255, 255, 0.6);
}

.archive-header-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.archive-badge {
  display: inline-flex;
  padding: 4px 12px;
  background: rgba(124, 58, 237, 0.1);
  color: var(--clr-primary);
  font-size: 0.75rem;
  font-weight: 800;
  border-radius: 999px;
  width: fit-content;
}

.archive-header h2 {
  font-size: 1.4rem;
  margin: 0;
  letter-spacing: -0.02em;
}

.archive-toggle-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--clr-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(124, 58, 237, 0.3);
  transition: transform 0.5s var(--ease-out-expo);
}

.special-archive-area.open .archive-toggle-btn {
  transform: rotate(180deg);
  background: var(--clr-secondary);
}

.archive-content {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: all 0.6s var(--ease-out-expo);
}

.special-archive-area.open .archive-content {
  max-height: 2000px;
  opacity: 1;
  padding: 0 32px 32px;
}

/* Archive List Structure */
.archive-list {
  display: grid;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.6);
}

.archive-item {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.archive-item-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.archive-item-head h4 {
  font-size: 1.15rem;
  margin: 0;
  color: var(--clr-text-primary);
}

.archive-content-wrapper {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 32px;
  align-items: start;
}

.archive-visual {
  width: 100%;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.8);
}

.archive-description {
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--clr-text-secondary);
}

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

/* Responsiveness */
@media (max-width: 991px) {
  .archive-content-wrapper {
    grid-template-columns: 1fr;
  }
  .archive-visual {
    order: -1;
    max-width: 480px;
    margin: 0 auto;
  }
}

@media (max-width: 576px) {
  .special-archive-area {
    padding: 24px 20px;
  }
  .archive-item-head h4 {
    font-size: 1rem;
  }
}

/* ============================================
   Küresel Bağlantılar Atölyesi
   ============================================ */

.lesson-global-page {
  background:
    radial-gradient(circle at top left, rgba(255, 45, 85, 0.12), transparent 28%),
    radial-gradient(circle at top right, rgba(6, 182, 212, 0.12), transparent 24%),
    linear-gradient(160deg, #fff8ec 0%, #f3fbff 48%, #fff3f7 100%);
}

.global-lesson-shell {
  padding-top: 110px;
}

.global-hero {
  padding: 42px 0 28px;
}

.global-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 28px;
  align-items: center;
}

.global-hero-copy,
.global-orbit-card,
.global-choice-panel,
.global-insight-card,
.global-organization-list,
.global-organization-card,
.global-economy-selector,
.global-economy-card,
.global-solution-list,
.global-solution-card {
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(22px) saturate(1.2);
  -webkit-backdrop-filter: blur(22px) saturate(1.2);
  border: 1px solid rgba(255, 255, 255, 0.88);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.07);
}

.global-hero-copy {
  padding: 38px;
  border-radius: 34px;
}

.global-hero-copy h1 {
  margin: 18px 0 16px;
  font-size: clamp(2.6rem, 5vw, 4.9rem);
  line-height: 0.96;
  letter-spacing: -0.05em;
  max-width: 10ch;
}

.global-hero-lead {
  max-width: 58ch;
  color: var(--clr-text-secondary);
  font-size: 1.02rem;
  line-height: 1.9;
}

.global-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.global-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.global-stat-card {
  padding: 18px 16px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.92);
  text-align: center;
}

.global-stat-value {
  display: block;
  margin-bottom: 4px;
  font-size: clamp(1.4rem, 2vw, 2rem);
  font-weight: 800;
  color: var(--clr-primary);
}

.global-stat-label {
  font-size: 0.82rem;
  color: var(--clr-text-muted);
}

.global-orbit-card {
  position: relative;
  min-height: 560px;
  padding: 24px;
  border-radius: 38px;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 45, 85, 0.14), transparent 24%),
    radial-gradient(circle at 80% 18%, rgba(6, 182, 212, 0.14), transparent 26%),
    rgba(255, 255, 255, 0.48);
}

.global-orbit-grid {
  position: absolute;
  inset: 24px;
  border-radius: 30px;
  background-image:
    linear-gradient(rgba(124, 58, 237, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 58, 237, 0.08) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(circle at center, black 48%, transparent 88%);
}

.global-node,
.global-flow {
  position: absolute;
  border-radius: 999px;
}

.global-node {
  width: 16px;
  height: 16px;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  box-shadow: 0 0 0 10px rgba(124, 58, 237, 0.08);
}

.global-node::after {
  content: '';
  position: absolute;
  inset: -10px;
  border: 1px solid rgba(124, 58, 237, 0.18);
  border-radius: 999px;
  animation: globalPulse 2.8s ease-out infinite;
}

.global-node-tr { top: 43%; left: 47%; }
.global-node-eu { top: 26%; left: 35%; }
.global-node-asia { top: 28%; right: 18%; }
.global-node-africa { bottom: 20%; left: 38%; }

.global-flow {
  height: 2px;
  background: linear-gradient(90deg, rgba(124, 58, 237, 0.1), rgba(6, 182, 212, 0.8), rgba(255, 45, 85, 0.1));
  transform-origin: left center;
  animation: globalFlow 3.2s ease-in-out infinite;
}

.global-flow-one {
  width: 180px;
  top: 45%;
  left: 38%;
  transform: rotate(-22deg);
}

.global-flow-two {
  width: 130px;
  top: 35%;
  left: 36%;
  transform: rotate(28deg);
}

.global-flow-three {
  width: 145px;
  top: 52%;
  left: 43%;
  transform: rotate(78deg);
}

.global-floating-pill {
  position: absolute;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.96);
  box-shadow: 0 12px 22px rgba(15, 23, 42, 0.08);
  font-size: 0.82rem;
  font-weight: 700;
}

.pill-one { top: 58px; left: 34px; }
.pill-two { top: 162px; right: 28px; }
.pill-three { bottom: 130px; left: 22px; }

.global-visual-copy {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 24px;
  padding: 20px 22px;
  border-radius: 24px;
  background: rgba(11, 19, 36, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #fff;
}

.global-visual-copy p {
  color: rgba(255, 255, 255, 0.84);
  line-height: 1.7;
}

.global-visual-kicker,
.global-card-label {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: inherit;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.global-section {
  padding-top: 36px;
}

.global-section-head {
  max-width: 680px;
  margin-bottom: 22px;
}

.global-section-head h2 {
  margin: 14px 0 10px;
  font-size: clamp(1.8rem, 3vw, 3rem);
  letter-spacing: -0.04em;
}

.global-section-head p {
  color: var(--clr-text-secondary);
}

.global-panel-grid,
.global-economy-grid,
.global-organization-shell,
.global-solution-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 20px;
}

.global-choice-panel,
.global-economy-selector,
.global-organization-list,
.global-solution-list {
  padding: 16px;
  border-radius: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.global-choice-chip,
.global-economy-chip,
.global-org-btn,
.global-solution-btn {
  width: 100%;
  padding: 15px 16px;
  border: 1px solid rgba(255, 255, 255, 0.94);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--clr-text-primary);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  text-align: left;
  transition: transform var(--duration-fast) var(--ease-magnetic), box-shadow var(--duration-fast) ease, background var(--duration-fast) ease;
}

.global-choice-chip:hover,
.global-economy-chip:hover,
.global-org-btn:hover,
.global-solution-btn:hover,
.global-choice-chip.is-active,
.global-economy-chip.is-active,
.global-org-btn.is-active,
.global-solution-btn.is-active {
  transform: translateY(-2px) scale(1.01);
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.14), rgba(6, 182, 212, 0.12));
}

.global-insight-card,
.global-organization-card,
.global-economy-card,
.global-solution-card {
  padding: 28px;
  border-radius: 30px;
}

.global-insight-card h3,
.global-organization-card h3,
.global-economy-card h3,
.global-solution-card h3 {
  margin-bottom: 10px;
  font-size: clamp(1.5rem, 2vw, 2rem);
}

.global-insight-card p,
.global-organization-card p,
.global-economy-card p,
.global-solution-card p {
  color: var(--clr-text-secondary);
  line-height: 1.8;
}

.global-tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.global-tag-row span {
  display: inline-flex;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(124, 58, 237, 0.09);
  color: var(--clr-primary);
  font-size: 0.78rem;
  font-weight: 700;
}

.global-org-grid,
.global-economy-points,
.global-solution-columns {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.global-org-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.global-org-mini,
.global-economy-points article,
.global-solution-columns article,
.global-reflection-box {
  padding: 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(255, 255, 255, 0.92);
}

.global-org-mini strong,
.global-economy-points strong,
.global-solution-columns strong {
  display: block;
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.global-economy-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.global-economy-meter {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(6, 182, 212, 0.1);
  color: var(--clr-secondary);
  font-size: 0.78rem;
  font-weight: 800;
}

.global-economy-points {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.global-stereotype-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.global-flip-card {
  position: relative;
  min-height: 270px;
  border: none;
  background: transparent;
  cursor: pointer;
  perspective: 1200px;
}

.global-flip-face {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.56);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 18px 36px rgba(15, 23, 42, 0.07);
  backface-visibility: hidden;
  transition: transform 0.7s var(--ease-out-expo);
}

.global-flip-front strong,
.global-flip-back strong {
  font-size: 1.34rem;
  line-height: 1.25;
  text-align: left;
}

.global-flip-front p,
.global-flip-back p {
  text-align: left;
  color: var(--clr-text-secondary);
}

.global-flip-back {
  transform: rotateY(180deg);
  background: linear-gradient(150deg, rgba(124, 58, 237, 0.14), rgba(6, 182, 212, 0.12));
}

.global-flip-card.is-flipped .global-flip-front {
  transform: rotateY(180deg);
}

.global-flip-card.is-flipped .global-flip-back {
  transform: rotateY(360deg);
}

.global-solution-columns {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.global-solution-columns ul {
  padding-left: 18px;
  color: var(--clr-text-secondary);
  display: grid;
  gap: 8px;
}

.global-reflection-box {
  margin-top: 16px;
  background: linear-gradient(135deg, rgba(255, 45, 85, 0.09), rgba(124, 58, 237, 0.08));
  font-weight: 700;
  color: var(--clr-text-primary);
}

@keyframes globalPulse {
  0% {
    opacity: 0.85;
    transform: scale(0.8);
  }
  100% {
    opacity: 0;
    transform: scale(1.8);
  }
}

@keyframes globalFlow {
  0%, 100% {
    opacity: 0.4;
  }
  50% {
    opacity: 1;
  }
}

@media (max-width: 1080px) {
  .global-hero-grid,
  .global-panel-grid,
  .global-economy-grid,
  .global-organization-shell,
  .global-solution-shell,
  .global-org-grid,
  .global-economy-points,
  .global-solution-columns,
  .global-stereotype-grid {
    grid-template-columns: 1fr;
  }

  .global-choice-panel,
  .global-economy-selector,
  .global-organization-list,
  .global-solution-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .global-orbit-card {
    min-height: 420px;
  }
}

@media (max-width: 768px) {
  .global-lesson-shell {
    padding-top: 92px;
  }

  .global-hero-copy,
  .global-insight-card,
  .global-organization-card,
  .global-economy-card,
  .global-solution-card {
    padding: 22px 18px;
  }

  .global-choice-panel,
  .global-economy-selector,
  .global-organization-list,
  .global-solution-list {
    grid-template-columns: 1fr;
  }

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

  .global-economy-topline {
    flex-direction: column;
    align-items: flex-start;
  }

  .global-orbit-card {
    min-height: 360px;
  }

  .global-visual-copy {
    position: static;
    margin-top: 150px;
  }

  .pill-two {
    top: 92px;
  }
}