/* ============================================
   NYDK Hakkımızda - Modern Education Brand
   ============================================ */

.about-page {
  --about-h1: 48px;
  --about-h2: 36px;
  --about-h3: 22px;
  --about-section-padding: 100px;
  --about-radius: 20px;
  --about-radius-btn: 14px;
  --about-bg-alt: #f8fafc;
  --about-bg-tint: linear-gradient(180deg, #f8fafc 0%, #f0f4f9 100%);
  font-size: 17px;
  line-height: 1.65;
}

.about-page .about-h1 { font-size: clamp(2rem, 5vw, var(--about-h1)); font-weight: 700; margin: 0; line-height: 1.2; color: var(--secondary); }
.about-page .about-h2 { font-size: clamp(1.75rem, 3.5vw, var(--about-h2)); font-weight: 600; margin: 0 0 1rem; color: var(--secondary); }
.about-page .about-h3 { font-size: var(--about-h3); font-weight: 600; margin: 0 0 0.5rem; color: var(--secondary); }
.about-page .about-lead { font-size: 1.125rem; color: #4b5563; line-height: 1.65; }

.about-container { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; }

/* ----- HERO ----- */
.about-hero {
  padding-top: calc(var(--about-section-padding) + 1rem);
  padding-bottom: var(--about-section-padding);
  background: linear-gradient(180deg, #fff 0%, #f8fafc 50%, #f0f7ff 100%);
  position: relative;
  overflow: hidden;
}
.about-hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 50%;
  max-width: 480px;
  height: 120%;
  background: radial-gradient(ellipse at center, rgba(15, 46, 71, 0.07) 0%, transparent 65%);
  pointer-events: none;
}
.about-hero .about-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 1;
}
.about-hero-content .about-hero-desc {
  margin: 1.25rem 0 2rem;
  max-width: 28rem;
}
.about-hero-content .btn-about-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--about-radius-btn);
  padding: 0.85rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 14px rgba(139, 30, 45, 0.35);
}
.about-hero-content .btn-about-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(139, 30, 45, 0.4);
}
.about-hero-visual {
  min-height: 300px;
  border-radius: var(--about-radius);
  background: linear-gradient(145deg, rgba(15, 46, 71, 0.06) 0%, rgba(139, 30, 45, 0.04) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 20px 50px -12px rgba(15, 31, 58, 0.12);
  border: 1px solid rgba(15, 31, 58, 0.06);
  overflow: hidden;
}
.about-hero-visual-placeholder {
  opacity: 0.18;
  color: var(--secondary);
}
.about-hero-visual-placeholder .nydk-icon { width: 4rem; height: 4rem; }
.about-hero-visual-img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  border-radius: inherit;
  display: block;
}

/* ----- BİZ KİMİZ (NYDK Nasıl Doğdu?) ----- */
.about-story {
  padding-top: var(--about-section-padding);
  padding-bottom: var(--about-section-padding);
  background: #fff;
}
.about-story .about-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
.about-story-title { text-align: left; margin-bottom: 1.5rem; }
.about-story-text p { margin: 0 0 1rem; color: #4b5563; }
.about-story-text p:last-child { margin-bottom: 0; }
.about-story-visual {
  position: relative;
  min-height: 200px;
  padding-left: 2rem;
  border-left: 3px solid var(--accent);
}
.about-story-visual-dots {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.about-story-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.7;
}
.about-story-dot:nth-child(2) { opacity: 0.5; margin-left: 0.5rem; }
.about-story-dot:nth-child(3) { opacity: 0.35; margin-left: 1rem; }

/* ----- MİSYON & VİZYON ----- */
.about-mission {
  padding-top: var(--about-section-padding);
  padding-bottom: var(--about-section-padding);
  background: var(--about-bg-alt);
}
.about-mission .about-section-head { text-align: center; margin-bottom: 2.5rem; }
.about-mission-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}
.about-mission-card {
  background: #fff;
  border-radius: var(--about-radius);
  padding: 2.5rem 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  border: 1px solid rgba(15, 31, 58, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.about-mission-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px -8px rgba(15, 31, 58, 0.12);
}
.about-mission-card-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--section-bg) 0%, #eef2f7 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--secondary);
}
.about-mission-card-icon .nydk-icon { width: 28px; height: 28px; }
.about-mission-card h3 { margin-bottom: 0.75rem; }
.about-mission-card p { margin: 0; color: #4b5563; font-size: 1rem; line-height: 1.65; }

/* ----- NEDEN NYDK ----- */
.about-why {
  padding-top: var(--about-section-padding);
  padding-bottom: var(--about-section-padding);
  background: #fff;
}
.about-why .about-section-head { text-align: center; margin-bottom: 2.5rem; }
.about-why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.about-why-item {
  background: #fff;
  border-radius: var(--about-radius);
  padding: 1.75rem 1.5rem;
  border: 1px solid rgba(15, 31, 58, 0.06);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.about-why-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px -8px rgba(15, 31, 58, 0.1);
}
.about-why-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--section-bg) 0%, #eef2f7 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--secondary);
}
.about-why-icon .nydk-icon { width: 26px; height: 26px; }
.about-why-item h3 { margin-bottom: 0.4rem; }
.about-why-item p { margin: 0; font-size: 0.95rem; color: #6b7280; line-height: 1.55; }

/* ----- RAKAMLARLA NYDK ----- */
.about-stats {
  padding-top: var(--about-section-padding);
  padding-bottom: var(--about-section-padding);
  background: var(--about-bg-alt);
}
.about-stats .about-section-head { text-align: center; margin-bottom: 2.5rem; }
.about-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.about-stat-item {
  text-align: center;
  padding: 2rem 1rem;
}
.about-stat-value {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 0.35rem;
}
.about-stat-label { font-size: 1rem; color: var(--secondary); font-weight: 500; }

/* ----- EĞİTİM FELSEFEMİZ ----- */
.about-philosophy {
  padding-top: var(--about-section-padding);
  padding-bottom: var(--about-section-padding);
  background: var(--about-bg-tint);
}
.about-philosophy .about-section-head { text-align: center; margin-bottom: 2.5rem; }
.about-philosophy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}
.about-philosophy-item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  background: #fff;
  border-radius: var(--about-radius);
  padding: 1.75rem 1.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(15, 31, 58, 0.06);
  transition: box-shadow 0.3s ease;
}
.about-philosophy-item:hover { box-shadow: 0 12px 32px -8px rgba(15, 31, 58, 0.1); }
.about-philosophy-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(139, 30, 45, 0.08) 0%, rgba(139, 30, 45, 0.04) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}
.about-philosophy-icon .nydk-icon { width: 26px; height: 26px; }
.about-philosophy-item h3 { margin-bottom: 0.35rem; }
.about-philosophy-item p { margin: 0; font-size: 0.95rem; color: #4b5563; line-height: 1.6; }

/* ----- FINAL CTA ----- */
.about-cta {
  padding-top: 4rem;
  padding-bottom: 4rem;
  text-align: center;
  background: linear-gradient(135deg, #0f2847 0%, #152a47 50%, #1a3255 100%);
  color: #fff;
}
.about-cta .about-h2 { color: #fff; margin-bottom: 0.75rem; }
.about-cta .about-lead { color: rgba(255,255,255,.88); margin-bottom: 2rem; }
.about-cta .btn-about-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  color: var(--secondary);
  border: none;
  border-radius: var(--about-radius-btn);
  padding: 0.85rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}
.about-cta .btn-about-primary:hover {
  background: #f8fafc;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.2);
}

/* Scroll-in animations */
@media (prefers-reduced-motion: no-preference) {
  .about-page .about-animate {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.5s ease, transform 0.5s ease;
  }
  .about-page .about-animate.is-visible {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 1024px) {
  .about-hero .about-container { grid-template-columns: 1fr; text-align: center; }
  .about-hero-content .about-hero-desc { margin-left: auto; margin-right: auto; }
  .about-hero-visual { min-height: 240px; }
  .about-story .about-container { grid-template-columns: 1fr; }
  .about-story-title { text-align: center; }
  .about-story-visual { min-height: 120px; padding-left: 1.5rem; }
  .about-why-grid { grid-template-columns: repeat(2, 1fr); }
  .about-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .about-philosophy-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .about-page .about-hero,
  .about-page .about-story,
  .about-page .about-mission,
  .about-page .about-why,
  .about-page .about-stats,
  .about-page .about-philosophy { padding-top: 60px; padding-bottom: 60px; }
  .about-mission-cards { grid-template-columns: 1fr; }
  .about-why-grid { grid-template-columns: 1fr; }
  .about-stats-grid { grid-template-columns: 1fr; }
}