:root{--navy:#092748;--blue:#006cbb;--muted:#50617a;--light:#f4f8fc}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:15px/1.55 Arial,Helvetica,sans-serif;color:var(--navy);background:white}a{text-decoration:none;color:inherit}.container{width:min(1180px,calc(100% - 44px));margin:auto}.site-header{background:#fff;position:relative;z-index:10}.header-top{height:80px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px}.brand-symbol{font-size:43px;color:#ffb514;line-height:1;position:relative}.brand-symbol span{display:block;font-size:26px;color:#00a5d6;margin-top:-18px}.brand-copy strong{font-size:39px;letter-spacing:1px;display:block;line-height:1;font-weight:900}.brand-copy small{font-size:9px;letter-spacing:.4px;font-weight:bold}.header-right{display:flex;align-items:center;gap:35px}.motto{color:#006cbb;font-style:italic}.lang{font-size:12px}.nav{border-top:1px solid #edf1f4}.nav-inner{display:flex;justify-content:flex-end;gap:25px;height:43px;align-items:center}.nav a{font-size:11px;font-weight:800;white-space:nowrap}.nav a:hover,.all-link:hover{color:var(--blue)}.menu-toggle{display:none}.hero{min-height:470px;position:relative;color:white;display:flex;align-items:center;overflow:hidden;background:#174e75}.hero-bg{position:absolute;inset:0;background:linear-gradient(90deg,rgba(2,24,47,.77),rgba(4,30,60,.12) 75%),url('https://images.unsplash.com/photo-1500375592092-40eb2168fd21?w=2000&q=90') center/cover}.hero-content{position:relative;padding:60px 0}.eyebrow{font-size:16px;letter-spacing:1.2px}.hero h1{font-size:clamp(48px,6vw,80px);line-height:1.03;margin:15px 0;font-weight:900}.hero p{max-width:450px;font-size:16px}.hero-actions{display:flex;gap:12px;margin-top:23px}.btn{display:inline-block;padding:11px 19px;border-radius:4px;font-weight:bold;font-size:13px}.btn.primary{background:#0069b5;color:white}.btn.light{background:white;color:var(--navy)}.hero-dots{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);letter-spacing:4px}.features{background:linear-gradient(#fff,#f2f7fb);padding:28px 0}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr)}.feature-grid article{text-align:center;padding:5px 23px;border-right:1px solid #e8eef4}.feature-grid article:last-child{border:0}.feature-icon{font-size:38px;line-height:1;color:#0074d2}.feature-grid h3{margin:10px 0 3px;font-size:15px}.feature-grid p{margin:0;font-size:13px}.about{display:grid;grid-template-columns:1fr 1.6fr;min-height:255px;background:#f8fbfe}.about-image{background:url('https://images.unsplash.com/photo-1500534623283-312aade485b7?w=1100&q=85') center/cover}.about-copy{padding:34px min(7vw,95px) 32px 40px}.section-kicker{color:#0076d1;font-size:11px;font-weight:800;letter-spacing:1.3px}.about h2,.section h2,.promo h2,.gallery-section h2{font-size:28px;line-height:1.15;margin:5px 0 12px}.about p{color:#41506a;max-width:650px}.section{padding-top:34px;padding-bottom:20px}.section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:14px}.section-heading h2{margin-bottom:0}.all-link{font-size:12px;color:var(--blue);font-weight:bold}.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:17px}.news-card{border:1px solid #edf0f4;box-shadow:0 4px 12px #0927480b;background:white}.news-card img{width:100%;height:140px;object-fit:cover;display:block}.news-body{padding:12px}.date{font-size:11px;color:#6384aa}.news-body h3{font-size:15px;line-height:1.25;margin:8px 0}.news-body p{font-size:12px;color:#68758a;margin:0}.split-promos{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding-top:20px}.promo{min-height:210px;position:relative;border-radius:3px;overflow:hidden;background:#d7e8f5}.promo.project{background:linear-gradient(90deg,#e8f3fc 36%,#e8f3fc22),url('https://images.unsplash.com/photo-1476514525535-07fb3b4ae5f1?w=900&q=80') center/cover}.promo.event{background:linear-gradient(90deg,#e8f3fc 40%,#e8f3fc33),url('https://images.unsplash.com/photo-1511795409834-ef04bbd61622?w=900&q=80') center/cover}.promo-content{padding:22px;max-width:75%;position:relative}.promo h2{font-size:23px}.promo p{font-size:13px}.gallery-section{display:flex;gap:35px;align-items:center}.gallery-section>div:first-child{flex:0 0 210px}.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;flex:1}.gallery img{width:100%;height:100px;object-fit:cover;border-radius:3px}.partners{padding:15px 0 25px}.partner-boxes{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:8px}.partner-boxes span{background:#f2f7fb;text-align:center;padding:22px 5px;color:#7e8da1;font-size:13px}.footer{background:#062847;color:#fff;margin-top:10px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.3fr 1.4fr;gap:38px;padding:35px 0}.footer-brand{font-size:31px;font-weight:900}.footer h3{font-size:15px}.footer p,.footer a{font-size:13px;color:#d6e5f2}.footer a{display:block;margin:6px 0}.foot-note{opacity:.65}.copyright{border-top:1px solid #ffffff26;padding:14px 0;font-size:11px;color:#b7c9da}@media(max-width:850px){.header-top{height:75px}.header-right{display:none}.menu-toggle{display:block;background:none;border:0;font-size:28px;color:var(--navy)}.nav{display:none}.nav.open{display:block}.nav-inner{height:auto;display:flex;flex-direction:column;align-items:stretch;gap:0;padding:10px 0}.nav a{padding:11px;border-bottom:1px solid #edf0f3}.feature-grid{grid-template-columns:repeat(2,1fr);row-gap:20px}.feature-grid article:nth-child(2){border:0}.about{grid-template-columns:1fr}.about-image{min-height:230px}.about-copy{padding:25px 22px}.news-grid{grid-template-columns:repeat(2,1fr)}.gallery-section{display:block}.gallery{margin-top:15px}.footer-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:560px){.container{width:min(100% - 28px,1180px)}.brand-copy strong{font-size:32px}.brand-copy small{font-size:7px}.hero{min-height:490px}.hero-content{padding:55px 0}.hero h1{font-size:53px}.hero p{font-size:14px}.hero-actions{flex-wrap:wrap}.feature-grid{gap:8px}.feature-grid article{padding:12px 8px}.feature-grid h3{font-size:13px}.feature-grid p{font-size:12px}.news-grid,.split-promos,.partner-boxes{grid-template-columns:1fr}.news-card img{height:190px}.promo-content{max-width:92%}.gallery{grid-template-columns:repeat(2,1fr)}.gallery img{height:130px}.footer-grid{grid-template-columns:1fr;gap:12px}.section-heading{align-items:center}.section h2{font-size:24px}}

/* ALTAV V2: refined desktop and mobile layout, non-destructive overrides */
:root{--navy:#092747;--blue:#006dbd}
.container{width:min(1280px,calc(100% - 48px))}
.site-header{box-shadow:0 2px 14px rgba(9,39,71,.07)}
.header-top{height:76px}.brand-copy strong{font-size:38px}.brand-symbol{font-size:39px}
.nav-inner{justify-content:space-between;gap:14px;height:48px}.nav a{font-size:12px;transition:color .2s}
.hero{min-height:510px}.hero-bg{background-position:center 48%}.hero-content{padding:72px 0}.hero h1{font-size:clamp(52px,6vw,78px)}
.hero p{line-height:1.65}.btn{border-radius:5px;transition:transform .2s,box-shadow .2s}.btn:hover{transform:translateY(-2px);box-shadow:0 5px 15px #09274830}
.features{padding:30px 0}.feature-grid article{padding:8px 25px}.feature-icon{font-size:35px}
.about{grid-template-columns:42% 58%;min-height:300px}.about-copy{padding:46px min(6vw,88px) 38px 45px}
.section{padding-top:42px;padding-bottom:24px}.news-grid{gap:20px}.news-card{border-radius:6px;overflow:hidden;transition:transform .2s,box-shadow .2s}.news-card:hover{transform:translateY(-4px);box-shadow:0 10px 25px #09274819}.news-card img{height:165px}.news-body{padding:16px}.news-body h3{font-size:16px}
.promo{min-height:235px;border-radius:6px}.promo-content{padding:26px}.gallery img{height:112px}.gallery{gap:10px}.gallery img{border-radius:5px}
.footer{background:linear-gradient(120deg,#06233f,#07365b)}
@media(max-width:850px){.header-top{height:74px}.nav-inner{height:auto;justify-content:flex-start}.hero{min-height:460px}.about{grid-template-columns:1fr}.about-image{min-height:260px}.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.container{width:calc(100% - 30px)}.brand-copy strong{font-size:31px}.hero{min-height:490px}.hero-content{padding:60px 0}.hero h1{font-size:52px}.news-grid,.split-promos,.partner-boxes{grid-template-columns:1fr}.news-card img{height:200px}.gallery{grid-template-columns:repeat(2,1fr)}.gallery img{height:125px}}

/* ALTAV V3: JSON-driven hero carousel */
.hero{display:block;min-height:510px;position:relative}.hero-slide{display:none;min-height:510px;position:relative;align-items:center}.hero-slide.is-active{display:flex}.hero-slide .hero-bg{background-image:linear-gradient(90deg,rgba(2,24,47,.76),rgba(4,30,60,.10) 80%),var(--slide-image);background-position:center;background-size:cover}.hero-slide[style*="url('')"] .hero-bg{background-image:linear-gradient(90deg,rgba(2,24,47,.76),rgba(4,30,60,.10) 80%),url('https://images.unsplash.com/photo-1500375592092-40eb2168fd21?w=2000&q=90')}.hero-slide .hero-content{z-index:1}.hero-arrow{position:absolute;top:50%;transform:translateY(-50%);border:0;background:#082847bb;color:white;border-radius:50%;width:38px;height:38px;font-size:27px;cursor:pointer;z-index:2}.hero-arrow.prev{left:15px}.hero-arrow.next{right:15px}.hero-dots{z-index:2;display:flex;gap:10px;letter-spacing:normal}.hero-dots button{width:10px;height:10px;border-radius:50%;border:1px solid white;background:transparent;cursor:pointer;padding:0}.hero-dots button.is-active{background:white}.hero-slide h1{max-width:750px}.hero-slide p{max-width:480px}@media(max-width:560px){.hero,.hero-slide{min-height:490px}.hero-slide .hero-bg{background-image:linear-gradient(90deg,rgba(2,24,47,.8),rgba(4,30,60,.24)),var(--slide-mobile);background-position:center}.hero-arrow{width:30px;height:30px}.hero-arrow.prev{left:4px}.hero-arrow.next{right:4px}}

/* ALTAV V5.1: slider height adjustment */
@media (min-width: 851px) {
  .hero, .hero-slide { min-height: 550px; }
}
@media (min-width: 561px) and (max-width: 850px) {
  .hero, .hero-slide { min-height: 520px; }
}
@media (max-width: 560px) {
  .hero, .hero-slide { min-height: 500px; }
}

/* ALTAV V6: image-only carousel, original image colors */
.hero,.hero-slide{height:650px;min-height:650px}
.hero-slide .hero-bg{background-image:var(--slide-image);background-position:center;background-size:cover}
.hero-slide[style*="url('')"] .hero-bg{background-image:none}
.hero-slide .hero-content{display:none}
@media(max-width:850px){.hero,.hero-slide{height:600px;min-height:600px}}
@media(max-width:560px){.hero-slide .hero-bg{background-image:var(--slide-mobile);background-position:center;background-size:cover}}

/* ALTAV V7: centered institutional motto and social area */
.header-top{position:relative;gap:20px}
.header-slogan{position:absolute;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:9px;white-space:nowrap;color:#075b9d;font-size:16px;font-weight:700;letter-spacing:.15px}
.header-slogan span+span::before{content:"·";color:#f2aa1d;margin-right:9px}
.header-right.social-icons{margin-left:auto;gap:10px;display:flex}
.social-icons span{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border:1px solid #d7e5f0;border-radius:50%;font-size:16px;font-weight:800;color:#086eb6;background:#f5faff}
@media(max-width:1100px){.header-slogan{font-size:13px;gap:5px}.header-slogan span+span::before{margin-right:5px}.social-icons span{width:28px;height:28px}}
@media(max-width:850px){.header-top{height:auto;min-height:80px;flex-wrap:wrap;padding-top:12px;padding-bottom:12px}.header-slogan{position:static;transform:none;order:4;width:100%;justify-content:center;font-size:12px;white-space:normal;text-align:center}.header-right.social-icons{display:flex;order:2;margin-left:auto}.menu-toggle{order:3}.social-icons span{width:27px;height:27px}}
@media(max-width:400px){.header-slogan{font-size:11px;gap:3px}.header-slogan span+span::before{margin-right:3px}.brand-copy strong{font-size:26px}.social-icons span{width:24px;height:24px}}

/* ALTAV V8: editorial motto + original social platform marks */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,600;1,600&display=swap');
.header-slogan{font-family:'Cormorant Garamond',Georgia,serif;font-size:24px;font-weight:600;font-style:italic;letter-spacing:.2px;color:#075b9d;gap:9px}
.header-slogan span+span::before{font-family:Georgia,serif;font-style:normal;color:#e4a325}
.header-right.social-icons{gap:9px}
.social-icons .social-icon{width:32px;height:32px;border:0;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;flex:none;padding:8px;box-shadow:0 2px 7px #0c315020;transition:transform .2s,box-shadow .2s}
.social-icons .social-icon img{width:100%;height:100%;object-fit:contain;filter:brightness(0) invert(1)}
.social-icons .social-instagram{background:linear-gradient(45deg,#feda75,#fa7e1e,#d62976,#962fbf,#4f5bd5)}
.social-icons .social-facebook{background:#1877f2}
.social-icons .social-youtube{background:#ff0033}
.social-icons .social-x{background:#000}
.social-icons .social-vk{background:#0077ff}
.social-icons .social-icon:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0c31503b}
@media(max-width:1100px){.header-slogan{font-size:20px}.social-icons .social-icon{width:29px;height:29px;padding:7px}}
@media(max-width:850px){.header-slogan{font-size:20px}.social-icons .social-icon{width:27px;height:27px;padding:7px}}
@media(max-width:400px){.header-slogan{font-size:17px}.social-icons .social-icon{width:24px;height:24px;padding:6px}.header-right.social-icons{gap:5px}}

/* V9 - Hakkımızda detay */
.about-detail-page{padding:32px 0 70px;min-height:55vh}.about-breadcrumb{font-size:13px;color:#6b7f96;margin-bottom:25px}.about-detail-page h1{font-size:clamp(30px,4vw,44px);margin:0 0 25px}.about-detail-cover{width:100%;max-height:470px;object-fit:cover;border-radius:8px;margin-bottom:25px}.about-detail-content{max-width:900px;color:#31455c;font-size:16px;line-height:1.85}.about-detail-content h2,.about-detail-content h3{color:#092b4c;margin-top:25px}.about-detail-content a{color:#0875bf;text-decoration:underline}

/* ALTAV V12: dinamik sosyal medya bağlantıları */
.social-icons a.social-icon{text-decoration:none;cursor:pointer}
.social-icons a.social-icon:hover{transform:translateY(-2px);box-shadow:0 4px 11px #0c315035}
.social-icons a.social-icon:focus-visible{outline:3px solid #0b72ba;outline-offset:3px}

/* V13: dinamik üst menü, alt açılır menü ve mobil görünüm */
.altav-nav-item{position:relative;display:flex;align-items:center;gap:3px;height:100%}.altav-nav-item>a{display:flex;align-items:center;height:100%}.altav-submenu-toggle{background:transparent;border:0;color:inherit;cursor:pointer;font-size:17px;padding:5px;line-height:1}.altav-submenu{display:none;position:absolute;top:100%;left:0;min-width:210px;background:#fff;box-shadow:0 10px 28px #09274829;border-top:3px solid #006cbb;z-index:100;padding:6px 0}.altav-submenu a{display:block;padding:11px 15px;font-size:12px;white-space:normal}.altav-submenu a:hover{background:#eef6fd}.altav-nav-item:hover>.altav-submenu,.altav-nav-item:focus-within>.altav-submenu,.altav-nav-item.submenu-open>.altav-submenu{display:block}
@media(max-width:850px){.altav-nav-item{height:auto;display:flex;flex-wrap:wrap;width:100%;justify-content:space-between}.altav-nav-item>a{height:auto;flex:1}.altav-submenu-toggle{padding:10px 15px}.altav-submenu{position:static;width:100%;box-shadow:none;border-top:0;border-left:3px solid #006cbb;background:#f3f8fd;padding:0 0 0 8px}.altav-submenu a{padding:11px 14px}.altav-nav-item:hover>.altav-submenu{display:none}.altav-nav-item.submenu-open>.altav-submenu{display:block}}