/* Manrope — self-hosted variable font (latin + latin-ext for Turkish glyphs) */
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('../assets/fonts/manrope-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('../assets/fonts/manrope-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root { --navy: #09233f; --blue: #093983; --muted: #77828c; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: #fff; color: var(--navy); font-family: 'Manrope', 'Segoe UI', system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
h1, h2, h3, p, dl, dd { margin: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
button, a { outline-offset: 4px; }
:focus-visible { outline: 2px solid #739ddd; outline-offset: 3px; }
button { border: 0; background: none; }
img { display: block; max-width: 100%; }
[hidden] { display: none !important; }
.icon-library { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.container { width: 100%; max-width: 1280px; margin: 0 auto; padding-left: 32px; padding-right: 32px; }
.site-header { position: relative; z-index: 50; border-bottom: 1px solid #e8ecef; background: white; }
.header-inner { height: 82px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-image { width: 78px; height: 48px; display: flex; align-items: center; justify-content: center; }
.brand-image img { width: 100%; height: 100%; object-fit: contain; }
.brand strong { display: block; font-size: 19px; font-weight: 800; line-height: 1; letter-spacing: .16em; }
.brand small { display: block; margin-top: 4px; color: #687480; font-size: 8px; font-weight: 600; text-transform: uppercase; letter-spacing: .07em; }
.desktop-nav { display: flex; align-items: center; gap: 36px; }
.desktop-nav a { color: #65717d; font-size: 13px; font-weight: 600; transition: color .2s; }
.desktop-nav a[aria-current], .desktop-nav a:hover { color: var(--navy); }
.menu-toggle { display: none; width: 44px; height: 44px; place-items: center; border-radius: 50%; border: 1px solid #dde3e8; }
.mobile-nav { position: absolute; top: 100%; left: 0; right: 0; padding: 16px 20px; border-bottom: 1px solid #e8ecef; background: white; box-shadow: 0 10px 15px #00000018; }
.mobile-nav a { display: block; padding: 12px 0; border-bottom: 1px solid #eef1f3; font-size: 14px; font-weight: 600; }
.hero-wrapper { max-width: 1440px; margin: 0 auto; padding: 20px 20px 0; }
.hero { position: relative; height: 640px; overflow: hidden; border-radius: 4px; background: var(--navy); }
.slide { position: absolute; inset: 0; opacity: 0; pointer-events: none; transition: opacity .7s; }
.slide.is-active { z-index: 10; opacity: 1; pointer-events: auto; }
.slide-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.slide::before, .slide::after { content: ''; position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.slide::before { background: linear-gradient(90deg, rgba(4,22,39,.91), rgba(4,22,39,.67) 43%, rgba(4,22,39,.12) 78%); }
.slide::after { background: linear-gradient(0deg, rgba(4,22,39,.42), transparent 48%); }
.hero-content { position: relative; z-index: 2; max-width: 1280px; height: 100%; display: flex; align-items: center; margin: 0 auto; padding: 24px 64px 48px; }
.hero-copy { max-width: 680px; color: white; }
.hero-label { display: flex; align-items: center; gap: 12px; margin-bottom: 28px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .2em; color: #a7c6fa; }
.hero-label::before { content: ''; width: 36px; height: 2px; background: #6f9ce0; }
.hero h1, .hero h2 { max-width: 650px; font-size: 78px; font-weight: 700; line-height: .98; letter-spacing: -.045em; }
.hero-description { max-width: 565px; margin-top: 28px; font-size: 17px; line-height: 28px; color: #ffffffc7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; padding: 14px 24px; border-radius: 30px; font-size: 12px; font-weight: 700; transition: background .2s; }
.button .icon { width: 17px; height: 17px; }
.button-primary { background: var(--blue); color: white; font-weight: 800; }
.button-primary:hover { background: #164f9f; }
.button-outline { border: 1px solid #ffffff59; color: white; }
.button-outline:hover { background: #ffffff1a; }
.photo-credit { position: absolute; z-index: 3; bottom: 20px; right: 28px; color: #ffffffa6; font-size: 9px; }
.photo-credit:hover { color: white; }
.carousel-controls { position: absolute; z-index: 30; bottom: 40px; right: 64px; display: flex; align-items: center; gap: 20px; color: white; }
.circle-button { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; border: 1px solid #ffffff4d; transition: background .2s; }
.circle-button:hover { background: #ffffff1a; }
.circle-button .icon { width: 18px; height: 18px; }
.previous .icon { transform: rotate(180deg); }
.pause { width: 32px; height: 32px; }
.pause .icon { width: 14px; height: 14px; }
.slide-counter { min-width: 48px; text-align: center; font-size: 12px; font-weight: 600; letter-spacing: .18em; }
.counter-total { color: #ffffffa6; }
.progress-track { position: absolute; bottom: 0; left: 0; z-index: 30; height: 3px; width: 100%; background: #ffffff26; }
.hero-progress { height: 100%; width: 0; background: #4f83d6; }
.hero-progress.is-playing { animation: progress 6.5s linear forwards; }
@keyframes progress { from { width: 0; } to { width: 100%; } }
.about-section { padding-top: 128px; padding-bottom: 128px; display: grid; grid-template-columns: .75fr 1.25fr; gap: 80px; }
.section-label { display: flex; align-items: center; gap: 12px; color: var(--blue); font-size: 10px; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; }
.section-label::before { content: ''; width: 28px; height: 2px; background: var(--blue); }
.about-intro > p:last-child { max-width: 320px; margin-top: 28px; font-size: 14px; line-height: 28px; color: #5c666f; }
.about-main h2 { font-size: 46px; font-weight: 600; line-height: 1.18; letter-spacing: -.035em; }
.about-main h2 span { color: var(--blue); }
.stats { margin-top: 40px; padding-top: 32px; border-top: 1px solid #e4e9ec; display: flex; flex-wrap: wrap; column-gap: 48px; row-gap: 24px; }
.stats > div { display: flex; flex-direction: column-reverse; }
.stats dd { font-weight: 700; font-size: 30px; }
.stats dt { margin-top: 4px; font-size: 12px; color: #616c75; }
.activities-section { border-top: 1px solid #e7ebee; border-bottom: 1px solid #e7ebee; background: #fafbfb; }
.activities-inner { padding-top: 128px; padding-bottom: 128px; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 28px; }
.section-heading h2 { margin-top: 20px; font-size: 52px; font-weight: 600; letter-spacing: -.04em; line-height: 1.2; }
.all-activities { display: inline-flex; align-items: center; gap: 12px; font-size: 12px; font-weight: 700; white-space: nowrap; }
.all-activities > span { display: grid; place-items: center; width: 36px; height: 36px; border: 1px solid #d8dee2; border-radius: 50%; transition: background .2s, color .2s; }
.all-activities .icon { width: 15px; height: 15px; }
.all-activities:hover > span { background: var(--navy); border-color: var(--navy); color: white; }
.activity-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 56px; }
.activity-card { display: flex; flex-direction: column; min-height: 390px; padding: 36px; border: 1px solid #e0e5e8; border-radius: 3px; background: white; transition: transform .3s, box-shadow .3s; scroll-margin-top: 24px; }
.activity-card:hover { transform: translateY(-4px); box-shadow: 0 20px 25px #09233f0f; }
.card-top { display: flex; align-items: center; justify-content: space-between; }
.card-top > span:first-child { font-size: 11px; font-weight: 700; letter-spacing: .18em; color: #5f6972; }
.card-icon { display: grid; place-items: center; border-radius: 50%; width: 44px; height: 44px; background: #f3f5f5; }
.card-icon .icon { width: 19px; height: 19px; }
.card-content { margin-top: auto; padding-top: 64px; }
.category { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .15em; color: var(--blue); }
.activity-card h3 { margin-top: 16px; font-size: 25px; font-weight: 600; line-height: 1.25; letter-spacing: -.025em; }
.card-description { margin-top: 16px; font-size: 13px; line-height: 24px; color: #5c666f; }
.card-bottom { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid #e7ebee; margin-top: 28px; padding-top: 20px; }
.card-bottom > span { font-size: 11px; color: #6b757d; }
.card-bottom .icon { width: 17px; height: 17px; transition: transform .3s; }
.activity-card:hover .card-bottom .icon { transform: translateX(4px); }
.featured { background: var(--navy); border-color: var(--navy); color: white; }
.featured .card-top > span:first-child { color: white; }
.featured .card-icon { background: #ffffff1a; }
.featured .category { color: #ffffff8c; }
.featured .card-description { color: #ffffffa6; }
.featured .card-bottom { border-color: #ffffff26; }
.featured .card-bottom > span { color: #ffffff80; }
.site-footer { background: #071b2f; color: white; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .7fr .7fr; gap: 48px; padding-top: 80px; padding-bottom: 80px; }
.brand-inverse .brand-image { background: white; border-radius: 6px; padding: 0 8px; }
.brand-inverse small { color: #ffffff8c; }
.footer-description { max-width: 370px; margin-top: 28px; font-size: 13px; line-height: 24px; color: #ffffff8c; }
.footer-grid h3 { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .18em; color: #ffffff73; }
.footer-links { display: flex; flex-direction: column; gap: 12px; margin-top: 24px; font-size: 13px; color: #ffffffb3; }
.footer-links a:hover, .contact-email:hover { color: #739ddd; }
.contact-email { display: inline-block; margin-top: 24px; font-size: 13px; color: #ffffffb3; }
.social-links { display: flex; gap: 12px; margin-top: 24px; }
.social-links a { display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid #ffffff26; border-radius: 50%; color: #ffffffb3; transition: border-color .2s, color .2s; }
.social-links a:hover { color: #739ddd; border-color: #739ddd; }
.social-links .icon { width: 17px; height: 17px; }
.footer-bottom { border-top: 1px solid #ffffff1a; }
.footer-bottom > div { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding-top: 24px; padding-bottom: 24px; font-size: 10px; color: #ffffff8c; }
@media (max-width: 1023px) {
  .desktop-nav { display: none; } .menu-toggle { display: grid; }
  .hero-content { padding-left: 48px; padding-right: 48px; }
  .hero h1, .hero h2 { font-size: 64px; }
  .carousel-controls { right: 48px; }
  .about-section { grid-template-columns: 1fr; gap: 48px; padding-top: 96px; padding-bottom: 96px; }
  .activities-inner { padding-top: 96px; padding-bottom: 96px; }
  .activity-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; padding-top: 64px; padding-bottom: 64px; }
}
@media (max-width: 767px) { .hero { height: 610px; } }
@media (max-width: 639px) {
  .container { padding-left: 20px; padding-right: 20px; }
  .hero-wrapper { padding: 0; } .hero { border-radius: 0; }
  .hero-content { padding: 24px 24px 48px; }
  .hero h1, .hero h2 { font-size: 48px; }
  .hero-description { font-size: 15px; }
  .carousel-controls { left: 24px; right: auto; bottom: 32px; }
  .photo-credit { font-size: 8px; right: 16px; bottom: 12px; }
  .about-main h2 { font-size: 35px; }
  .section-heading { flex-direction: column; align-items: start; }
  .section-heading h2 { font-size: 40px; }
  .activity-card { padding: 32px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom > div { flex-direction: column; align-items: start; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}