:root {
  --navy: #0b2545;
  --navy-2: #13315c;
  --blue: #2f8cff;
  --ink: #1b2430;
  --muted: #5f6b7a;
  --line: #e3e8ef;
  --soft: #f5f7fa;
  --white: #fff;
  --max: 1140px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: "Inter", "Segoe UI", Arial, sans-serif; color: var(--ink); background: var(--white); line-height: 1.65; font-size: 16px; }
a { color: inherit; text-decoration: none; }
svg { display: block; }
.container { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* Top bar & accessibility */
.skip { position: absolute; left: -9999px; top: 0; background: var(--blue); color: var(--white); padding: 10px 16px; z-index: 100; }
.skip:focus { left: 10px; top: 10px; }
.topbar { background: #071a33; color: #c3cfdd; font-size: 13px; }
.topbar .container { display: flex; justify-content: space-between; gap: 16px; padding-top: 8px; padding-bottom: 8px; flex-wrap: wrap; }
.topbar span { display: flex; gap: 20px; flex-wrap: wrap; }
.topbar a:hover { color: var(--white); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }
address { font-style: normal; }

/* Floating contact buttons */
.float-btns { position: fixed; right: 18px; bottom: 18px; z-index: 60; display: flex; flex-direction: column; gap: 12px; }
.float-btns .fb { width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; color: var(--white); box-shadow: 0 10px 24px rgba(0,0,0,.22); transition: transform .2s; }
.float-btns .fb:hover { transform: scale(1.08); }
.float-btns .fb svg { width: 26px; height: 26px; }
.float-btns .wa { background: #25d366; }
.float-btns .call { background: var(--blue); animation: pulse 2.4s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(47,140,255,.55); } 70% { box-shadow: 0 0 0 16px rgba(47,140,255,0); } 100% { box-shadow: 0 0 0 0 rgba(47,140,255,0); } }

/* FAQ */
.faq { max-width: 860px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 22px 40px 22px 0; font-weight: 600; font-size: 17px; color: var(--navy); position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%); font-size: 26px; font-weight: 400; color: var(--blue); transition: transform .25s; }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { color: var(--muted); padding: 0 40px 22px 0; }
.faq details p a { color: var(--blue); font-weight: 600; }

/* Header */
header.site { position: sticky; top: 0; z-index: 50; background: var(--white); border-bottom: 1px solid var(--line); }
header.site .container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand svg { width: 40px; height: 40px; }
.brand b { display: block; font-size: 20px; font-weight: 800; letter-spacing: 2px; color: var(--navy); line-height: 1.1; }
.brand small { display: block; font-size: 10.5px; font-weight: 600; letter-spacing: 2.5px; color: var(--muted); }
nav.main ul { list-style: none; display: flex; gap: 4px; align-items: center; }
nav.main a { display: block; padding: 8px 14px; font-weight: 500; font-size: 15px; color: var(--ink); border-bottom: 2px solid transparent; }
nav.main a:hover, nav.main a.active { color: var(--navy); border-bottom-color: var(--blue); }
nav.main a.cta { margin-left: 10px; background: var(--navy); color: var(--white); border-radius: 4px; border: 0; padding: 9px 18px; }
nav.main a.cta:hover { background: var(--navy-2); }
.menu-btn { display: none; background: none; border: 0; width: 40px; height: 40px; cursor: pointer; }
.menu-btn span { display: block; height: 2px; width: 22px; background: var(--navy); margin: 5px auto; }

/* Buttons */
.btn { display: inline-block; padding: 12px 26px; border-radius: 4px; font-weight: 600; font-size: 15px; border: 1px solid transparent; cursor: pointer; font-family: inherit; transition: .15s; }
.btn-blue { background: var(--blue); color: var(--white); }
.btn-blue:hover { background: #1f78e6; }
.btn-line { border-color: rgba(255,255,255,.5); color: var(--white); }
.btn-line:hover { background: rgba(255,255,255,.08); }
.btn-navy { background: var(--navy); color: var(--white); }
.btn-navy:hover { background: var(--navy-2); }

/* Hero */
.hero { background: var(--navy); color: var(--white); }
.hero .container { display: grid; grid-template-columns: 1.15fr .85fr; gap: 50px; align-items: center; padding-top: 96px; padding-bottom: 96px; }
.kicker { font-size: 13px; font-weight: 600; letter-spacing: 2.5px; text-transform: uppercase; color: var(--blue); margin-bottom: 16px; display: block; }
.hero h1 { font-size: clamp(32px, 4.4vw, 50px); line-height: 1.15; font-weight: 700; }
.hero p { color: #c3cfdd; font-size: 18px; margin: 20px 0 32px; max-width: 560px; }
.hero .actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-art { width: 100%; max-width: 420px; justify-self: end; }

.page-head { background: var(--navy); color: var(--white); }
.page-head .container { padding-top: 64px; padding-bottom: 64px; }
.page-head h1 { font-size: clamp(28px, 3.6vw, 40px); font-weight: 700; }
.page-head p { color: #c3cfdd; margin-top: 8px; max-width: 620px; }

/* Sections */
section.block { padding: 88px 0; }
.soft { background: var(--soft); }
.head { max-width: 640px; margin-bottom: 44px; }
.head h2 { font-size: clamp(26px, 3vw, 34px); line-height: 1.25; color: var(--navy); font-weight: 700; }
.head p { color: var(--muted); margin-top: 12px; }

/* Services grid */
.services { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.svc { padding: 34px 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--white); transition: .15s; }
.svc:hover { background: var(--soft); }
.svc .num { font-size: 13px; font-weight: 700; color: var(--blue); letter-spacing: 1px; }
.svc h3 { font-size: 19px; color: var(--navy); margin: 10px 0 8px; font-weight: 700; }
.svc p { color: var(--muted); font-size: 15px; }
.svc.cta-cell { background: var(--navy); color: var(--white); display: flex; flex-direction: column; justify-content: center; }
.svc.cta-cell h3 { color: var(--white); }
.svc.cta-cell p { color: #c3cfdd; margin-bottom: 18px; }

/* Detailed services */
.detail { display: grid; grid-template-columns: 300px 1fr; gap: 50px; padding: 48px 0; border-bottom: 1px solid var(--line); }
.detail:last-child { border-bottom: 0; }
.detail .num { font-size: 13px; font-weight: 700; color: var(--blue); letter-spacing: 1px; }
.detail h2 { font-size: 24px; color: var(--navy); margin-top: 6px; line-height: 1.3; }
.detail p { color: var(--muted); margin-bottom: 18px; }
.detail ul { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 8px 30px; }
.detail li { padding-left: 18px; position: relative; font-size: 15px; }
.detail li::before { content: ""; position: absolute; left: 0; top: 10px; width: 7px; height: 7px; background: var(--blue); }
.detail ul.items { grid-template-columns: 1fr 1fr; gap: 14px; }
.detail .items li { padding: 16px 18px; border: 1px solid var(--line); border-left: 3px solid var(--blue); background: var(--white); transition: box-shadow .25s, transform .25s; }
.detail .items li:hover { box-shadow: 0 10px 24px rgba(11,37,69,.1); transform: translateY(-2px); }
.detail .items li::before { display: none; }
.detail .items h3 { font-size: 16px; color: var(--navy); margin-bottom: 4px; line-height: 1.35; }
.detail .items p { font-size: 14px; color: var(--muted); margin: 0; line-height: 1.6; }
.detail .items summary { list-style: none; cursor: pointer; }
.detail .items summary::-webkit-details-marker { display: none; }
.detail .items .tog { display: inline-block; margin-top: 10px; font-size: 13px; font-weight: 600; color: var(--blue); }
.detail .items .tog::after { content: "Devamını oku +"; }
.detail .items details[open] .tog::after { content: "Kapat −"; }
.detail .items .long { margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--line); animation: rise .4s ease both; }
.detail .items .long p { color: var(--ink); }
.detail .items li:has(details[open]) { box-shadow: 0 10px 24px rgba(11,37,69,.1); }

/* Two columns */
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.two p { color: var(--muted); margin-bottom: 14px; }
.points { list-style: none; display: grid; gap: 22px; }
.points li { display: grid; grid-template-columns: 34px 1fr; gap: 14px; }
.points .n { width: 34px; height: 34px; border: 1px solid var(--blue); color: var(--blue); display: grid; place-items: center; font-weight: 700; font-size: 14px; }
.points h4 { color: var(--navy); font-size: 17px; }
.points p { margin: 2px 0 0; font-size: 15px; }

/* CTA band */
.band { background: var(--navy); color: var(--white); }
.band .container { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; padding-top: 52px; padding-bottom: 52px; }
.band h2 { font-size: clamp(22px, 2.6vw, 28px); font-weight: 700; }
.band p { color: #c3cfdd; margin-top: 4px; }

/* Contact */
.contact { display: grid; grid-template-columns: 1fr 1.3fr; gap: 50px; }
.info dl { display: grid; gap: 22px; }
.info dt { font-size: 12px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--blue); }
.info dd { color: var(--ink); margin-top: 4px; }
form.form { border: 1px solid var(--line); padding: 32px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--navy); }
.field input, .field select, .field textarea { width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: 4px; font-family: inherit; font-size: 15px; color: var(--ink); background: var(--white); }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--blue); outline-offset: -1px; }
.field textarea { min-height: 120px; resize: vertical; }
.map { margin-top: 50px; border: 1px solid var(--line); height: 340px; }
.map iframe { width: 100%; height: 100%; border: 0; }

/* Footer */
footer.site { background: #071a33; color: #9fb0c4; font-size: 14px; }
footer.site .container { padding-top: 56px; }
footer.site .cols { display: grid; grid-template-columns: 1.4fr 1fr .9fr 1.3fr; gap: 36px; }
footer.site .brand b { color: var(--white); }
footer.site .brand svg rect:first-child { fill: var(--navy-2); }
footer.site .brand small { color: #7f93aa; }
footer.site .about { margin-top: 16px; max-width: 340px; }
footer.site h5 { color: var(--white); font-size: 14px; margin-bottom: 14px; letter-spacing: 1px; }
footer.site ul { list-style: none; display: grid; gap: 8px; }
footer.site a:hover { color: var(--white); }
footer.site .bottom { border-top: 1px solid rgba(255,255,255,.08); margin-top: 44px; padding: 20px 0; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 13px; }

/* Slider */
.slider { position: relative; height: 86vh; min-height: 560px; max-height: 780px; overflow: hidden; background: var(--navy); color: var(--white); }
.slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity 1.2s ease, visibility 1.2s; }
.slide.on { opacity: 1; visibility: visible; z-index: 1; }
.slide .bg { position: absolute; inset: 0; background: var(--img) center / cover no-repeat; transform: scale(1.12); }
.slide.on .bg { animation: kenburns 8s ease-out forwards; }
.slide::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7,26,51,.92) 0%, rgba(11,37,69,.72) 45%, rgba(11,37,69,.25) 100%); }
.slide .container { position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column; justify-content: center; }
.slide .kicker, .slide h1, .slide p, .slide .actions { opacity: 0; transform: translateY(28px); }
.slide.on .kicker, .slide.on h1, .slide.on p, .slide.on .actions { animation: rise .9s cubic-bezier(.2,.7,.2,1) forwards; }
.slide.on h1 { animation-delay: .15s; } .slide.on p { animation-delay: .3s; } .slide.on .actions { animation-delay: .45s; }
.slide h1 { font-size: clamp(32px, 4.6vw, 56px); line-height: 1.12; font-weight: 700; max-width: 760px; }
.slide p { color: #d3dde9; font-size: 18px; margin: 20px 0 32px; max-width: 560px; }
.slide .actions { display: flex; gap: 12px; flex-wrap: wrap; }
.slider-ui { position: absolute; z-index: 3; left: 0; right: 0; bottom: 36px; }
.slider-ui .container { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.dots { display: flex; gap: 10px; }
.dots button { width: 44px; height: 4px; border: 0; background: rgba(255,255,255,.45); cursor: pointer; position: relative; overflow: hidden; padding: 0; }
.dots button.on::after { content: ""; position: absolute; inset: 0; background: var(--blue); transform-origin: left; animation: fill var(--dur, 6s) linear forwards; }
.arrows { display: flex; gap: 8px; }
.arrows button { width: 46px; height: 46px; border: 1px solid rgba(255,255,255,.6); background: rgba(7,26,51,.45); color: var(--white); font-size: 20px; cursor: pointer; transition: .2s; }
.arrows button:hover { background: var(--blue); border-color: var(--blue); }
.counter { font-size: 14px; color: #c3cfdd; letter-spacing: 2px; }
.counter b { color: var(--white); font-size: 22px; }
@keyframes kenburns { from { transform: scale(1.12); } to { transform: scale(1); } }
@keyframes rise { to { opacity: 1; transform: none; } }
@keyframes fill { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* Strip: small blinking thumbnails */
.strip { background: var(--white); border-bottom: 1px solid var(--line); }
.strip .container { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; padding-top: 26px; padding-bottom: 26px; }
.strip .s { display: flex; flex-direction: column; align-items: stretch; gap: 10px; padding: 8px; border-radius: 8px; transition: background .4s; }
.strip .s .ph { position: relative; width: 100%; height: 110px; border-radius: 6px; overflow: hidden; flex: none; }
.strip .s img { width: 100%; height: 100%; object-fit: cover; display: block; filter: grayscale(1); opacity: .55; transition: filter .6s, opacity .6s, transform .6s; }
.strip .s span { text-align: center; font-size: 15px; font-weight: 600; color: var(--muted); line-height: 1.3; transition: color .4s; }
.strip .s.on { background: var(--soft); }
.strip .s.on img { filter: none; opacity: 1; transform: scale(1.08); animation: blink 2.2s ease-in-out; }
.strip .s.on span { color: var(--navy); }
.strip .s:hover img { filter: none; opacity: 1; }
.strip .s:hover span { color: var(--blue); }
@keyframes blink { 0% { opacity: .4; } 15% { opacity: 1; } 50% { opacity: .75; } 85% { opacity: 1; } 100% { opacity: 1; } }
/* Image service cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card { position: relative; overflow: hidden; background: var(--white); border: 1px solid var(--line); display: flex; flex-direction: column; transition: box-shadow .3s, transform .3s; }
.card:hover { box-shadow: 0 20px 44px rgba(11,37,69,.16); transform: translateY(-6px); }
.card .ph { height: 210px; overflow: hidden; position: relative; }
.card .ph img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .8s ease; }
.card:hover .ph img { transform: scale(1.08); }
.card .ph .num { position: absolute; left: 0; bottom: 0; background: var(--blue); color: var(--white); font-weight: 700; font-size: 14px; padding: 8px 14px; letter-spacing: 1px; }
.card .txt { padding: 24px 24px 28px; flex: 1; }
.card h3 { font-size: 19px; color: var(--navy); margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 15px; }
.card .more { display: inline-block; margin-top: 14px; font-weight: 600; font-size: 14px; color: var(--blue); }
.card .more::after { content: " →"; transition: margin .2s; }
.card:hover .more::after { margin-left: 6px; }
.card.cta-card { background: var(--navy); color: var(--white); justify-content: center; padding: 34px 30px; border: 0; }
.card.cta-card h3 { color: var(--white); font-size: 24px; }
.card.cta-card p { color: #c3cfdd; margin-bottom: 20px; }

/* Parallax band */
.parallax { position: relative; background: var(--img) center / cover fixed; color: var(--white); }
.parallax::before { content: ""; position: absolute; inset: 0; background: rgba(7,26,51,.82); }
.parallax .container { position: relative; }
.parallax .head h2 { color: var(--white); }
.parallax .two p { color: #c3cfdd; }
.parallax .points h4 { color: var(--white); }
.parallax .points p { color: #c3cfdd; }

/* Image page header */
.page-head.img { position: relative; background: var(--img) center / cover; overflow: hidden; }
.page-head.img::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7,26,51,.92), rgba(11,37,69,.6)); }
.page-head.img .container { position: relative; padding-top: 96px; padding-bottom: 96px; }
.page-head.img h1, .page-head.img p { animation: rise .9s cubic-bezier(.2,.7,.2,1) both; }
.page-head.img p { animation-delay: .15s; }
.detail .pic { height: 180px; overflow: hidden; margin-top: 18px; }
.detail .pic img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .8s; }
.detail:hover .pic img { transform: scale(1.06); }

/* Scroll reveal */
.reveal { opacity: 0; transform: translateY(36px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); transition-delay: var(--d, 0s); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal, .slide .kicker, .slide h1, .slide p, .slide .actions { opacity: 1; transform: none; }
}

/* Responsive */
@media (max-width: 960px) {
  .hero .container, .two, .contact { grid-template-columns: 1fr; }
  .hero-art { display: none; }
  .services, .cards { grid-template-columns: 1fr 1fr; }
  .parallax { background-attachment: scroll; }
  .slider-ui .counter { display: none; }
  .detail { grid-template-columns: 1fr; gap: 16px; }
  footer.site .cols { grid-template-columns: 1fr 1fr; }
  .menu-btn { display: block; }
  nav.main { display: none; position: absolute; top: 72px; left: 0; right: 0; background: var(--white); border-bottom: 1px solid var(--line); }
  nav.main.open { display: block; }
  nav.main ul { flex-direction: column; align-items: stretch; padding: 10px 20px 18px; }
  nav.main a.cta { margin: 8px 0 0; text-align: center; }
}
@media (max-width: 600px) {
  section.block { padding: 60px 0; }
  .services, .cards, .row2, .detail ul, footer.site .cols { grid-template-columns: 1fr; }
  .detail ul.items { grid-template-columns: 1fr; }
  .slider { height: 640px; }
  .strip .container { gap: 6px; padding-top: 14px; padding-bottom: 14px; }
  .strip .s { flex-direction: column; gap: 6px; padding: 4px; text-align: center; }
  .strip .s .ph { width: 100%; height: 64px; }
  .strip .s span { font-size: 10.5px; }
  .topbar .container { justify-content: center; }
  .float-btns { right: 12px; bottom: 12px; }
  .slide::after { background: linear-gradient(180deg, rgba(7,26,51,.35) 0%, rgba(7,26,51,.82) 75%); }
  .arrows button { width: 40px; height: 40px; font-size: 17px; }
  .hero .container { padding-top: 64px; padding-bottom: 64px; }
  form.form { padding: 22px; }
}
