:root {
  --navy: #062a4f;
  --navy-2: #0b3f73;
  --cyan: #1dc5ee;
  --cyan-dark: #06a7d1;
  --ink: #111827;
  --muted: #657084;
  --line: #dce5ee;
  --surface: #f4f7fa;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(6, 42, 79, .13);
  --radius: 22px;
  --container: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body { margin: 0; font-family: Poppins, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif; color: var(--ink); background: var(--white); line-height: 1.65; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
svg { fill: currentColor; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 9999; padding: 10px 14px; background: var(--white); color: var(--navy); border-radius: 8px; box-shadow: var(--shadow); }
.skip-link:focus { top: 12px; }
.topbar { background: var(--navy); color: #d8e8f6; font-size: 13px; }
.topbar__inner { min-height: 38px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.topbar p, .topbar a { display: flex; align-items: center; gap: 8px; margin: 0; }
.topbar svg { width: 15px; height: 15px; color: var(--cyan); }
.site-header { position: sticky; top: 0; z-index: 1000; background: rgba(255,255,255,.96); backdrop-filter: blur(14px); border-bottom: 1px solid rgba(6,42,79,.08); transition: box-shadow .25s ease; }
.site-header.is-scrolled { box-shadow: 0 10px 34px rgba(6,42,79,.1); }
.header__inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { width: 255px; flex: 0 0 auto; }
.brand img { width: 100%; height: auto; }
.primary-nav { display: flex; align-items: center; gap: 30px; font-size: 14px; font-weight: 700; color: #233247; }
.primary-nav > a:not(.nav-cta) { position: relative; padding-block: 29px; }
.primary-nav > a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; bottom: 21px; width: 0; height: 2px; background: var(--cyan-dark); transition: width .25s ease; }
.primary-nav > a:not(.nav-cta):hover::after { width: 100%; }
.nav-cta { background: var(--navy); color: var(--white); padding: 12px 18px; border-radius: 999px; transition: background .2s ease, transform .2s ease; }
.nav-cta:hover { background: var(--navy-2); transform: translateY(-2px); }
.menu-toggle { display: none; border: 0; background: transparent; padding: 8px; }
.menu-toggle span { display: block; width: 26px; height: 2px; margin: 6px 0; background: var(--navy); transition: .25s; }
.hero { position: relative; min-height: 700px; display: grid; align-items: center; color: var(--white); overflow: hidden; }
.hero__media, .hero__overlay { position: absolute; inset: 0; }
.hero__media { background: url('../images/surgulu-cam-balkon.webp') center 52%/cover no-repeat; transform: scale(1.01); }
.hero__overlay { background: linear-gradient(90deg, rgba(3,21,40,.92) 0%, rgba(4,34,64,.78) 45%, rgba(4,34,64,.16) 78%, rgba(4,34,64,.05) 100%); }
.hero__content { position: relative; z-index: 2; padding-block: 80px 90px; }
.hero__copy { max-width: 710px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; color: var(--cyan); font-size: 12px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 32px; height: 2px; background: currentColor; }
.eyebrow--dark { color: var(--cyan-dark); }
.hero h1 { max-width: 760px; margin: 18px 0 22px; font-size: clamp(42px, 5.2vw, 74px); line-height: 1.02; letter-spacing: -.045em; }
.hero__copy > p { max-width: 670px; margin: 0; color: #d9e4ed; font-size: 18px; line-height: 1.75; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.btn { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 13px 22px; border: 1px solid transparent; border-radius: 999px; font-weight: 800; font-size: 14px; transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn svg { width: 18px; height: 18px; }
.btn--primary { background: var(--cyan); color: #03233f; box-shadow: 0 14px 30px rgba(29,197,238,.24); }
.btn--primary:hover { background: #55d8f7; }
.btn--ghost { border-color: rgba(255,255,255,.5); color: var(--white); background: rgba(255,255,255,.05); }
.btn--ghost:hover { background: var(--white); color: var(--navy); }
.btn--outline { border-color: var(--navy); color: var(--navy); }
.btn--outline:hover { background: var(--navy); color: var(--white); }
.btn--light { background: var(--white); color: var(--navy); }
.btn--full { width: 100%; border: 0; }
.hero__quick { display: flex; flex-wrap: wrap; gap: 0; margin-top: 50px; border-top: 1px solid rgba(255,255,255,.25); max-width: 690px; }
.hero__quick > div { min-width: 170px; padding: 20px 28px 0 0; margin-right: 28px; border-right: 1px solid rgba(255,255,255,.25); }
.hero__quick > div:last-child { border-right: 0; }
.hero__quick strong, .hero__quick span { display: block; }
.hero__quick strong { font-size: 21px; }
.hero__quick span { color: #afc2d2; font-size: 12px; margin-top: 2px; }
.hero__scroll { position: absolute; right: max(20px, calc((100vw - var(--container))/2)); bottom: 35px; z-index: 3; width: 32px; height: 52px; border: 1px solid rgba(255,255,255,.55); border-radius: 20px; display: grid; place-items: start center; padding-top: 9px; }
.hero__scroll span { width: 4px; height: 8px; border-radius: 8px; background: var(--cyan); animation: scrollDot 1.8s infinite; }
@keyframes scrollDot { 0% { transform: translateY(0); opacity: 1; } 75% { transform: translateY(22px); opacity: .2; } 100% { opacity: 0; } }
.service-strip { position: relative; z-index: 5; margin-top: -1px; background: var(--white); border-bottom: 1px solid var(--line); }
.service-strip__grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.service-strip a { min-height: 126px; display: grid; grid-template-columns: 45px 1fr; align-content: center; padding: 25px 34px; border-right: 1px solid var(--line); transition: background .2s ease; }
.service-strip a:first-child { border-left: 1px solid var(--line); }
.service-strip a:hover { background: var(--surface); }
.service-strip span { grid-row: 1 / span 2; color: var(--cyan-dark); font-weight: 900; font-size: 13px; }
.service-strip strong { font-size: 17px; }
.service-strip em { color: var(--muted); font-style: normal; font-size: 12px; margin-top: 4px; }
.section { padding: 110px 0; }
.about__grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 85px; align-items: center; }
.about__visual { position: relative; }
.about__visual > img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow); }
.about__visual::before { content: ""; position: absolute; left: -28px; top: -28px; width: 180px; height: 180px; border-left: 3px solid var(--cyan); border-top: 3px solid var(--cyan); border-radius: 24px 0 0 0; z-index: -1; }
.about__badge { position: absolute; right: -40px; bottom: 40px; width: 255px; display: flex; align-items: center; gap: 15px; padding: 20px; background: var(--navy); color: var(--white); border-radius: 16px; box-shadow: var(--shadow); }
.about__badge svg { width: 38px; height: 38px; color: var(--cyan); flex: 0 0 auto; }
.about__badge span { font-size: 13px; line-height: 1.45; }
.about__badge strong { display: block; font-size: 16px; }
.about h2, .section-heading h2, .why-us h2, .contact h2, .photo-cta h2 { margin: 14px 0 20px; color: var(--navy); font-size: clamp(34px, 4vw, 54px); line-height: 1.12; letter-spacing: -.035em; }
.about__copy p { color: var(--muted); }
.about__copy .lead { color: #2a3748; font-size: 18px; }
.about__features { display: grid; gap: 16px; margin: 30px 0; }
.about__features > div { display: flex; align-items: center; gap: 14px; }
.about__features svg { width: 42px; height: 42px; padding: 10px; border-radius: 11px; color: var(--cyan-dark); background: #eaf8fc; }
.about__features span { color: var(--muted); font-size: 14px; }
.about__features strong { display: block; color: var(--ink); font-size: 15px; }
.text-link { display: inline-flex; align-items: center; gap: 10px; color: var(--navy); font-weight: 800; font-size: 14px; }
.text-link span { color: var(--cyan-dark); transition: transform .2s ease; }
.text-link:hover span { transform: translateX(5px); }
.services { background: var(--surface); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 60px; margin-bottom: 52px; }
.section-heading > div { max-width: 720px; }
.section-heading h2 { margin-bottom: 0; }
.section-heading > p { width: min(100%, 400px); margin: 0 0 5px; color: var(--muted); }
.section-heading--center { text-align: center; display: block; max-width: 780px; margin-inline: auto; }
.section-heading--center > p { margin: 15px auto 0; }
.service-feature { display: grid; grid-template-columns: 1.2fr .8fr; overflow: hidden; border-radius: var(--radius); background: var(--white); box-shadow: var(--shadow); }
.service-feature__image { position: relative; min-height: 540px; }
.service-feature__image img { width: 100%; height: 100%; object-fit: cover; }
.service-feature__image > span { position: absolute; left: 26px; top: 26px; padding: 9px 14px; background: rgba(255,255,255,.92); color: var(--navy); border-radius: 999px; font-size: 12px; font-weight: 800; }
.service-feature__content { padding: 65px 55px; align-self: center; }
.service-no { color: var(--cyan-dark); font-weight: 900; font-size: 14px; }
.service-feature h3, .service-card h3 { color: var(--navy); font-size: 31px; line-height: 1.2; margin: 10px 0 16px; }
.service-feature p, .service-card p { color: var(--muted); }
.service-feature ul { list-style: none; margin: 25px 0 32px; padding: 0; }
.service-feature li { position: relative; padding: 9px 0 9px 30px; border-bottom: 1px solid var(--line); color: #3c4b5f; }
.service-feature li::before { content: "✓"; position: absolute; left: 0; color: var(--cyan-dark); font-weight: 900; }
.services__cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; margin-top: 26px; }
.service-card { overflow: hidden; background: var(--white); border-radius: var(--radius); box-shadow: 0 15px 48px rgba(6,42,79,.08); }
.service-card__image { aspect-ratio: 16 / 9; overflow: hidden; }
.service-card__image img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.service-card:hover img { transform: scale(1.035); }
.service-card__body { padding: 32px 34px 36px; }
.service-card h3 { font-size: 26px; }
.why-us { color: var(--white); background: linear-gradient(135deg, #031d37 0%, var(--navy) 55%, #0b487e 100%); }
.why-us__grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 85px; }
.why-us h2 { color: var(--white); }
.why-us__intro p { color: #bfd0df; font-size: 17px; margin-bottom: 30px; }
.why-us__items { border-top: 1px solid rgba(255,255,255,.18); }
.why-item { display: grid; grid-template-columns: 70px 1fr; gap: 20px; padding: 30px 0; border-bottom: 1px solid rgba(255,255,255,.18); }
.why-item > span { color: var(--cyan); font-weight: 900; }
.why-item h3 { margin: 0 0 7px; font-size: 20px; }
.why-item p { margin: 0; color: #b8ccdc; font-size: 14px; }
.process__grid { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.process__grid::before { content: ""; position: absolute; left: 10%; right: 10%; top: 39px; height: 1px; background: var(--line); }
.process-card { position: relative; z-index: 2; padding: 0 18px; text-align: center; }
.process-card > span { width: 78px; height: 78px; display: grid; place-items: center; margin: 0 auto 25px; border: 1px solid var(--line); border-radius: 50%; background: var(--white); color: var(--cyan-dark); font-weight: 900; box-shadow: 0 8px 24px rgba(6,42,79,.08); }
.process-card h3 { margin: 0 0 8px; color: var(--navy); }
.process-card p { margin: 0; color: var(--muted); font-size: 14px; }
.gallery { background: var(--surface); }
.gallery__grid { display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: 345px; gap: 18px; }
.gallery__item { position: relative; grid-column: span 4; overflow: hidden; margin: 0; border-radius: 18px; background: var(--navy); }
.gallery__item--wide { grid-column: span 8; }
.gallery__item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.gallery__item:hover img { transform: scale(1.035); }
.gallery__item::after { content: ""; position: absolute; inset: 45% 0 0; background: linear-gradient(transparent, rgba(2,19,35,.82)); }
.gallery__item figcaption { position: absolute; z-index: 2; left: 24px; right: 24px; bottom: 20px; color: var(--white); }
.gallery__item strong, .gallery__item span { display: block; }
.gallery__item strong { font-size: 18px; }
.gallery__item span { color: #c4d4e1; font-size: 12px; }
.photo-cta { position: relative; min-height: 530px; display: grid; align-items: center; color: var(--white); overflow: hidden; }
.photo-cta__media, .photo-cta__shade { position: absolute; inset: 0; }
.photo-cta__media { background: url('../images/olcu-kesif-gorusmesi.webp') center 42%/cover no-repeat; }
.photo-cta__shade { background: linear-gradient(90deg, rgba(3,23,43,.95) 0%, rgba(4,39,72,.78) 48%, rgba(4,39,72,.2) 100%); }
.photo-cta__content { position: relative; z-index: 2; max-width: 750px; margin-left: max(20px, calc((100vw - var(--container))/2)); margin-right: 20px; padding: 90px 0; }
.photo-cta h2 { color: var(--white); }
.photo-cta p { max-width: 620px; color: #d0dde8; font-size: 17px; }
.contact { background: var(--white); }
.contact__grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; align-items: start; }
.contact__info > p { color: var(--muted); font-size: 17px; }
.contact-list { margin-top: 32px; display: grid; gap: 12px; }
.contact-list > a, .contact-list > div { display: flex; gap: 15px; align-items: flex-start; padding: 16px 0; border-bottom: 1px solid var(--line); }
.contact-list__icon { width: 44px; height: 44px; display: grid; place-items: center; background: #eaf8fc; color: var(--cyan-dark); border-radius: 12px; flex: 0 0 auto; }
.contact-list__icon svg { width: 21px; height: 21px; }
.contact-list small, .contact-list strong { display: block; }
.contact-list small { color: var(--muted); }
.contact-list strong { color: var(--navy); font-size: 15px; }
.contact-form { padding: 38px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.contact-form__heading { margin-bottom: 25px; }
.contact-form__heading span { color: var(--cyan-dark); font-size: 12px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.contact-form h3 { margin: 5px 0 0; color: var(--navy); font-size: 27px; }
.contact-form label { display: block; margin-bottom: 14px; color: #334155; font-weight: 700; font-size: 13px; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; margin-top: 7px; border: 1px solid #ced9e3; border-radius: 12px; background: var(--white); color: var(--ink); padding: 13px 14px; outline: none; transition: border-color .2s, box-shadow .2s; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--cyan-dark); box-shadow: 0 0 0 3px rgba(6,167,209,.12); }
.contact-form textarea { resize: vertical; }
.contact-form > small { display: block; margin-top: 10px; text-align: center; color: var(--muted); }
.map-card { margin-top: 55px; overflow: hidden; height: 410px; border-radius: var(--radius); box-shadow: var(--shadow); }
.map-card iframe { width: 100%; height: 100%; border: 0; }
.site-footer { padding: 75px 0 0; background: #031b32; color: #b8c9d8; }
.footer__grid { display: grid; grid-template-columns: 1.5fr .7fr .8fr 1fr; gap: 55px; padding-bottom: 55px; }
.footer__brand img { width: 165px; height: auto; background: var(--white); border-radius: 10px; padding: 6px; }
.footer__brand p { max-width: 390px; }
.footer__grid h3 { color: var(--white); font-size: 15px; margin: 5px 0 17px; }
.footer__grid a { display: block; padding: 5px 0; font-size: 14px; transition: color .2s; }
.footer__grid a:hover { color: var(--cyan); }
.footer__grid p { font-size: 14px; }
.footer__bottom { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid rgba(255,255,255,.12); font-size: 12px; }
.mobile-actions { display: none; }
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .65s ease, transform .65s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .reveal { opacity: 1; transform: none; transition: none; } * { animation: none !important; } }
@media (max-width: 1060px) {
  .primary-nav { gap: 18px; }
  .brand { width: 215px; }
  .about__grid, .contact__grid { gap: 55px; }
  .why-us__grid { gap: 55px; }
  .service-feature__content { padding: 45px 38px; }
}
@media (max-width: 880px) {
  body.menu-open { overflow: hidden; }
  .topbar { display: none; }
  .header__inner { min-height: 74px; }
  .brand { width: 210px; }
  .menu-toggle { display: block; position: relative; z-index: 1002; }
  .menu-toggle.is-open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .menu-toggle.is-open span:nth-child(2) { opacity: 0; }
  .menu-toggle.is-open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  .primary-nav { position: fixed; inset: 74px 0 auto; height: calc(100vh - 74px); display: flex; flex-direction: column; align-items: stretch; gap: 0; padding: 25px 20px 120px; background: var(--white); transform: translateX(100%); transition: transform .3s ease; overflow-y: auto; }
  .primary-nav.is-open { transform: none; }
  .primary-nav > a:not(.nav-cta) { padding: 16px 5px; border-bottom: 1px solid var(--line); font-size: 17px; }
  .primary-nav > a:not(.nav-cta)::after { display: none; }
  .nav-cta { margin-top: 22px; text-align: center; padding: 16px; }
  .hero { min-height: 680px; }
  .hero__overlay { background: linear-gradient(90deg, rgba(3,21,40,.93), rgba(4,34,64,.62)); }
  .service-strip__grid { grid-template-columns: 1fr; }
  .service-strip a, .service-strip a:first-child { border-left: 1px solid var(--line); border-bottom: 1px solid var(--line); min-height: 95px; }
  .about__grid, .contact__grid, .why-us__grid, .service-feature { grid-template-columns: 1fr; }
  .about__visual { max-width: 620px; margin-inline: auto; }
  .about__visual > img { aspect-ratio: 5/4; }
  .about__badge { right: 25px; }
  .about__copy { margin-top: 15px; }
  .section-heading { align-items: start; flex-direction: column; gap: 15px; }
  .service-feature__image { min-height: 420px; }
  .services__cards { grid-template-columns: 1fr; }
  .why-us__grid { gap: 45px; }
  .process__grid { grid-template-columns: repeat(2, 1fr); row-gap: 45px; }
  .process__grid::before { display: none; }
  .gallery__grid { grid-auto-rows: 310px; }
  .gallery__item, .gallery__item--wide { grid-column: span 6; }
  .gallery__item:last-child { grid-column: span 12; }
  .footer__grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer__grid > div:last-child { grid-column: 1 / -1; }
}
@media (max-width: 620px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  html { scroll-padding-top: 72px; }
  .header__inner { min-height: 70px; }
  .brand { width: 186px; }
  .primary-nav { inset-block-start: 70px; height: calc(100vh - 70px); }
  .hero { min-height: calc(100svh - 70px); }
  .hero__media { background-position: 58% center; }
  .hero__overlay { background: linear-gradient(90deg, rgba(3,21,40,.95) 0%, rgba(4,34,64,.75) 100%); }
  .hero__content { padding-block: 60px 80px; }
  .hero h1 { font-size: clamp(38px, 12vw, 54px); }
  .hero__copy > p { font-size: 16px; }
  .hero__actions { display: grid; }
  .btn { width: 100%; }
  .hero__quick { display: none; }
  .hero__scroll { display: none; }
  .section { padding: 78px 0; }
  .about__grid { gap: 55px; }
  .about__visual > img { aspect-ratio: 4/5; }
  .about__visual::before { left: -10px; top: -14px; width: 120px; height: 120px; }
  .about__badge { left: 18px; right: 18px; bottom: -32px; width: auto; }
  .about__copy { margin-top: 35px; }
  .about h2, .section-heading h2, .why-us h2, .contact h2, .photo-cta h2 { font-size: 35px; }
  .service-feature__image { min-height: 330px; }
  .service-feature__content { padding: 35px 24px 40px; }
  .service-feature h3 { font-size: 28px; }
  .service-card__body { padding: 28px 24px 32px; }
  .why-us__grid { gap: 35px; }
  .why-item { grid-template-columns: 45px 1fr; }
  .process__grid { grid-template-columns: 1fr; gap: 40px; }
  .process-card { padding-inline: 6px; }
  .gallery__grid { grid-template-columns: 1fr; grid-auto-rows: 300px; }
  .gallery__item, .gallery__item--wide, .gallery__item:last-child { grid-column: auto; }
  .photo-cta { min-height: 610px; }
  .photo-cta__media { background-position: 60% center; }
  .photo-cta__shade { background: linear-gradient(rgba(3,23,43,.68), rgba(3,23,43,.94)); }
  .photo-cta__content { margin-inline: 14px; padding: 80px 0; align-self: end; }
  .contact__grid { gap: 50px; }
  .contact-form { padding: 27px 20px; }
  .map-card { height: 330px; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__grid > div:last-child { grid-column: auto; }
  .footer__bottom { flex-direction: column; justify-content: center; text-align: center; padding: 17px 0 88px; }
  .mobile-actions { position: fixed; z-index: 1200; left: 12px; right: 12px; bottom: 10px; display: grid; grid-template-columns: 1fr 1.2fr; overflow: hidden; border-radius: 16px; box-shadow: 0 16px 40px rgba(0,0,0,.28); }
  .mobile-actions a { min-height: 58px; display: flex; align-items: center; justify-content: center; gap: 9px; background: var(--navy); color: var(--white); font-weight: 800; font-size: 14px; }
  .mobile-actions a:last-child { background: #14ad62; }
  .mobile-actions svg { width: 20px; height: 20px; }
}