/* Base */
.page-main { position: relative; background: #fff; flex: 1 1 auto; overflow-x: clip; }
.page-root { width: 100%; background: #fff; font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Noto Sans, Ubuntu, Cantarell, Helvetica Neue, Arial, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol"; overflow-x: clip; }

/* Utility compatibility */
.hidden { display: none; }

/* Containers */
.container { max-width: 72rem; margin-left: auto; margin-right: auto; padding-left: 1rem; padding-right: 1rem; }
@media (min-width: 640px){ .container { padding-left: 1.5rem; padding-right: 1.5rem; } }
@media (min-width: 1024px){ .container { padding-left: 2rem; padding-right: 2rem; } }
.container--pullup { position: relative; z-index: 2; margin-top: -80px; }

/* Hero */
.hero { position: relative; width: 100%; height: 500px; min-height: 500px; max-height: 500px; display: flex; align-items: center; justify-content: center; overflow: hidden; isolation: isolate; }
.hero-slides { position: absolute; inset: 0; z-index: 0; }
.hero-slide { position: absolute; inset: 0; transform: translateX(100%); opacity: 0; visibility: hidden; transition: transform 700ms ease, opacity 700ms ease, visibility 0s linear 700ms; z-index: 0; }
.hero-slide--active { transform: translateX(0); opacity: 1; visibility: visible; transition: transform 700ms ease, opacity 700ms ease, visibility 0s; z-index: 1; }
.hero-slide-image { width: 100%; height: 100%; display: block; object-fit: cover; object-position: center center; }
.hero-overlay { position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, rgba(15,23,42,0.5), rgba(30,41,59,0.55), rgba(15,23,42,0.5)); }
.hero-content { position: relative; z-index: 2; color: #fff; text-align: center; width: min(100%, 72rem); margin: 0 auto; padding: 6.5rem 1rem 7rem; box-sizing: border-box; }
@media (min-width: 640px){ .hero-content { padding-left: 1.5rem; padding-right: 1.5rem; } }
@media (min-width: 1024px){ .hero-content { padding-left: 2rem; padding-right: 2rem; } }
.stack-center { display: flex; flex-direction: column; align-items: center; gap: 1rem; max-width: 100%; margin: 0 auto; }
@media (min-width: 640px){ .stack-center { gap: 1.25rem; } }
.hero-title { font-weight: 700; line-height: 1.2; text-shadow: 0 1px 2px rgba(0,0,0,0.4); font-size: 1.5rem; margin: 0; max-width: 100%; width: 100%; }
@media (min-width: 640px){ .hero-title { font-size: 1.875rem; } }
@media (min-width: 768px){ .hero-title { font-size: 2.25rem; } }
@media (min-width: 1024px){ .hero-title { font-size: 3rem; } }
.is-hidden { display: none; }
.hero-subtitle { font-weight: 600; color: #bfdbfe; text-shadow: 0 1px 1px rgba(0,0,0,0.25); font-size: 0.875rem; margin: 0; }
@media (min-width: 640px){ .hero-subtitle { font-size: 1rem; } }
@media (min-width: 768px){ .hero-subtitle { font-size: 1.125rem; } }
.hero-cta { display: inline-flex; align-items: center; gap: 0.5rem; border-radius: 0.375rem; background: #3A66B7; padding: 0.625rem 1.5rem; font-size: 0.875rem; font-weight: 600; color: #fff; text-decoration: none; box-shadow: 0 1px 2px rgba(0,0,0,0.12); transition: background-color 300ms ease, transform 300ms ease; }
.hero-cta:hover { background: #2F5599; transform: translateY(-1px); }
.hero-cta-icon { width: 1.25rem; height: 1.25rem; }
@media (min-width: 1280px){
  .hero-cta { padding: 0.75rem 2rem; font-size: 1rem; }
  .hero-cta-icon { width: 1.5rem; height: 1.5rem; }
}
.scroll-indicator { display: none; }
@media (min-width: 768px){ .scroll-indicator { display: flex; flex-direction: column; align-items: center; gap: 0.5rem; margin-top: 2rem; font-size: 0.75rem; letter-spacing: 0.3em; color: rgba(191,219,254,0.8); } }
.mouse { height: 2.5rem; width: 1.5rem; border-radius: 9999px; border: 1px solid rgba(191,219,254,0.6); display: flex; align-items: flex-start; justify-content: center; padding-top: 0.5rem; }
.mouse-wheel { height: 0.5rem; width: 2px; border-radius: 9999px; background: #60a5fa; }
.hero-nav { position: absolute; top: 50%; transform: translateY(-50%); z-index: 3; background: rgba(255,255,255,0.2); backdrop-filter: blur(4px); border-radius: 9999px; padding: 0.5rem; transition: transform 300ms ease, background-color 200ms ease; color: #fff; outline: none; border: none; cursor: pointer; }
.hero-nav:hover { transform: translateY(-50%) scale(1.10); background: rgba(255,255,255,0.3); }
.hero-nav--prev { left: 1rem; }
.hero-nav--next { right: 1rem; }
@media (min-width: 768px){ .hero-nav { padding: 0.75rem; } .hero-nav--prev { left: 2rem; } .hero-nav--next { right: 2rem; } }
.icon-md { width: 1.25rem; height: 1.25rem; }
@media (min-width: 768px){ .icon-md { width: 1.5rem; height: 1.5rem; } }

/* Sections */
.section { padding-top: 2rem; padding-bottom: 2rem; }
@media (min-width: 640px){ .section { padding-top: 3rem; padding-bottom: 3rem; } }
.section--white { background: #fff; }
.section--gray { padding: 48px 0; background-color: #f9fafb; }
.section-title { font-size: 2rem; font-weight: 700; text-align: center; color: #1f2937; margin-bottom: 2rem; }

/* Features (three cards) - replaced with user's CSS */
.cards-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  max-width: 1200px;
  margin: 0 auto 0;
  padding: 0 16px;
  position: relative;
  z-index: 2;
  justify-items: center;
}
@media (min-width: 640px){
  .cards-wrapper { gap: 16px; }
}
@media (min-width: 768px) {
  .cards-wrapper {
    grid-template-columns: repeat(2, 320px);
    justify-content: center;
    gap: 21px;
  }
}
@media (min-width: 1024px) {
  .cards-wrapper {
    grid-template-columns: repeat(3, 320px);
    justify-content: center;
    gap: 21px;
  }
}
/* Kart */
.card {
  background: #ffffff;
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  display: flex;
  flex-direction: column;
  height: 100%;
  width: 100%;
}
@media (min-width: 640px){
  .card { padding: 20px; }
}
/* Üst renk şeridi */
.card-green {
  border-top: 32px solid #1AA179;
}
.card-yellow {
  border-top: 32px solid #F4B23A;
}
.card-blue {
  border-top: 32px solid #1E3A8A;
}
/* İç içerik */
.card-content {
  flex: 1;
  text-align: center;
  padding: 0;
}
@media (min-width: 640px){
  .card-content { padding: 24px; }
}
/* İkon arka planı */
.icon-box {
  width: 72px;
  height: 48px;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
}
.icon-green {
  background: rgba(26, 161, 121, 0.1);
  color: #1AA179;
}
.icon-yellow {
  background: rgba(244, 178, 58, 0.1);
  color: #F4B23A;
}
.icon-blue {
  background: rgba(58, 102, 183, 0.1);
  color: #3A66B7;
}
/* Icon sizes (SVG) */
.icon { width: 24px; height: 24px; }
.icon-sm { width: 20px; height: 20px; }
/* Başlık */
.card-title {
  font-size: 20px;
  font-weight: 700;
  color: #111827;
  margin-bottom: 8px;
}
@media (min-width: 640px){
  .card-title { font-size: 24px; }
}
/* Açıklama */
.card-text {
  font-size: 14px;
  color: #4B5563;
  line-height: 1.6;
}
@media (min-width: 640px){
  .card-text { font-size: 16px; }
}
/* Buton */
.card-button {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 16px auto 0;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
  cursor: pointer;
  border: none;
  transition: background 0.3s;
}
/* Buton renkleri */
.btn-green {
  background: #1AA179;
}
.btn-green:hover {
  background: #158563;
}
.btn-yellow {
  background: #F4B23A;
}
.btn-yellow:hover {
  background: #e39c18;
}
.btn-blue {
  background: #3A66B7;
}
.btn-blue:hover {
  background: #2F5599;
}

/* Who section (five cards) */
.section--gray .who-grid { display: grid; grid-template-columns: 1fr; gap: 1.25rem; justify-items: center; }
@media (min-width: 640px){ .section--gray .who-grid { grid-template-columns: repeat(2, minmax(0, 220px)); gap: 1.5rem; justify-content: center; } }
@media (min-width: 768px){ .section--gray .who-grid { grid-template-columns: repeat(3, minmax(0, 220px)); } }
@media (min-width: 1024px){ .section--gray .who-grid { grid-template-columns: repeat(5, minmax(0, 220px)); } }
.section--gray .who-card { width: 100%; max-width: 220px; background-color: #ffffff; border: 3px solid #e5e7eb; border-radius: 12px; padding: 1rem; text-align: center; text-decoration: none; transition: all 0.2s ease; display: block; cursor: pointer; }
@media (min-width: 640px){ .section--gray .who-card { padding: 1.25rem; } }
.section--gray .who-card:hover { box-shadow: 0 10px 15px rgba(0,0,0,0.1); transform: translateY(-4px) scale(1.05); border-color: #2f5599; }
.section--gray .who-card-inner { display: flex; flex-direction: column; align-items: center; }
.section--gray .who-card-image { display: flex; justify-content: center; margin-bottom: 0.75rem; }
.section--gray .img-120 { width: 7rem; height: 7rem; object-fit: cover; }
.section--gray .img-rounded-full { border-radius: 9999px; }
.section--gray .who-card-title { font-size: 1.25rem; font-weight: 700; color: #1f2937; margin: 0 0 0.5rem; }
@media (min-width: 640px){ .section--gray .who-card-title { font-size: 1.5rem; } }
.section--gray .who-card-text { font-size: 0.875rem; color: #4b5563; margin: 0; }

/* Services grid */
.services-grid { display: grid; grid-template-columns: 1fr; gap: 1.25rem; justify-items: center; }
@media (min-width: 640px){ .services-grid { grid-template-columns: repeat(2, minmax(0, 260px)); gap: 1.5rem; justify-content: center; } }
@media (min-width: 768px){ .services-grid { grid-template-columns: repeat(4, minmax(0, 260px)); } }
.service-link { text-decoration: none; width: 100%; max-width: 260px; }
.service-card { width: 100%; background: #fff; border: 2px solid #e5e7eb; border-radius: 0.75rem; padding: 1.25rem; box-shadow: 0 1px 2px rgba(0,0,0,0.05); transition: box-shadow 200ms ease, transform 200ms ease, border-color 200ms ease; cursor: pointer; height: 100%; display: flex; flex-direction: column; align-items: center; }
@media (min-width: 640px){ .service-card { padding: 1.5rem; } }
.service-card:hover { box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05); transform: translateY(-4px) scale(1.05); border-color: #2F5599; }
.service-avatar { position: relative; width: 6rem; height: 6rem; margin-bottom: 1rem; border-radius: 9999px; overflow: hidden; border: 1px solid rgba(58,102,183,0.2); background: #f3f6fb; }
@media (min-width: 640px){ .service-avatar { width: 7rem; height: 7rem; } }
.service-name { font-size: 1rem; font-weight: 600; color: #1f2937; text-align: center; }
@media (min-width: 640px){ .service-name { font-size: 1.125rem; } }

/* Education section */
.education { padding-top: 3rem; padding-bottom: 4rem; background: #f9fafb; }
@media (min-width: 640px){ .education { padding-top: 4rem; padding-bottom: 4rem; } }
.edu-header { text-align: center; margin-bottom: 2.5rem; }
.edu-title { font-size: 1.5rem; font-weight: 700; color: #111827; margin-bottom: 0.75rem; }
@media (min-width: 640px){ .edu-title { font-size: 1.875rem; } }
.edu-desc { max-width: 42rem; margin: 0 auto; color: #4b5563; font-size: 0.875rem; }
@media (min-width: 640px){ .edu-desc { font-size: 1rem; } }
.edu-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; justify-items: center; }
@media (min-width: 768px){ .edu-grid { grid-template-columns: repeat(3, minmax(0, 360px)); justify-content: center; } }
@media (min-width: 1024px){ .edu-grid { gap: 2rem; } }
.edu-card { width: 100%; max-width: 360px; background: #fff; border-radius: 0.75rem; box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1); overflow: hidden; display: flex; flex-direction: column; }
.edu-image { position: relative; height: 13rem; }
@media (min-width: 640px){ .edu-image { height: 16rem; } }
.edu-badge { position: absolute; right: 1rem; bottom: 1rem; background: #3A66B7; color: #fff; font-size: 0.75rem; font-weight: 700; padding: 0.25rem 0.75rem; border-radius: 9999px; }
@media (min-width: 640px){ .edu-badge { font-size: 0.875rem; } }
.edu-body { padding: 1.25rem; display: flex; flex-direction: column; flex: 1 1 auto; }
@media (min-width: 640px){ .edu-body { padding: 1.5rem; } }
.edu-name { font-size: 1.125rem; font-weight: 600; color: #111827; margin-bottom: 0.25rem; }
@media (min-width: 640px){ .edu-name { font-size: 1.25rem; } }
.edu-text { color: #4b5563; font-size: 0.875rem; margin-bottom: 1rem; }
.edu-meta { margin-top: auto; display: flex; align-items: center; justify-content: space-between; font-size: 0.875rem; }
.edu-muted { color: #6b7280; }

/* Utilities (images) */
.img-cover-center { width: 100%; height: 100%; object-fit: cover; object-position: center; display: block; }
.img-cover { width: 100%; height: 100%; object-fit: cover; display: block; }
.img-contain { width: 100%; height: 100%; object-fit: contain; display: block; }
.img-120 { width: 7rem; height: 7rem; }
.img-rounded-full { border-radius: 9999px; }