:root {
  --green: #49d292;
  --green-dark: #3aa874;
  --orange: #f57c02;
  --ink: #181920;
  --muted: #8b8e94;
  --page: #eff0f4;
  --line: #eceef0;
  --white: #fff;
  --shell: 1200px;
  --container: 1000px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--page);
  color: var(--muted);
  font: 15px/1.7 "Helvetica Neue", Helvetica, Arial, sans-serif;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }
.site-shell { width: min(var(--shell), 100%); margin: 0 auto; background: #fff; box-shadow: 0 0 18px rgba(25, 33, 44, .08); overflow: hidden; }
.container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
.section { padding: 105px 0; }
.section-white { background: #fff; }
.section-soft { background: #f8f9fa; }
.center-heading { max-width: 690px; margin: 0 auto 64px; text-align: center; }
.center-heading h2 { margin: 0 0 12px; color: var(--orange); font-size: 40px; line-height: 1.2; font-weight: 300; }
.center-heading p { margin: 0; font-size: 18px; font-weight: 300; }
.button { display: inline-flex; min-height: 40px; align-items: center; justify-content: center; padding: 8px 20px; border: 1px solid var(--green); background: var(--green); color: #fff; transition: .2s ease; }
.button:hover { border-color: #34bd7e; background: #34bd7e; transform: translateY(-1px); }
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ÜST BİLGİ ŞERİDİ */
.topbar { height: 43px; border-bottom: 1px solid #f0f0f0; background: #fff; }
.topbar .container { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.top-contact { display: flex; align-items: center; gap: 24px; white-space: nowrap; color: #97999c; font-size: 13px; }
.top-contact a, .top-contact span { display: flex; align-items: center; gap: 7px; }
.top-contact i { color: var(--green); font-style: normal; }
.top-social { display: flex; align-items: center; gap: 12px; color: var(--green); font-weight: 700; }
.top-social a { width: 22px; height: 22px; display: grid; place-items: center; }

/* LOGO VE MENÜ */
.navbar { position: relative; z-index: 30; height: 88px; background: #fff; }
.navbar .container { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 390px; }
.brand-icon { position: relative; width: 62px; height: 62px; flex: 0 0 62px; }
.brand-icon::before, .brand-icon::after { content: ""; position: absolute; border-radius: 8px; background: var(--green); }
.brand-icon::before { width: 18px; height: 56px; left: 22px; top: 3px; }
.brand-icon::after { width: 56px; height: 18px; left: 3px; top: 22px; }
.brand-text { color: #222; line-height: 1; }
.brand-text strong { display: block; font-size: 25px; font-weight: 500; letter-spacing: -.7px; }
.brand-text small { display: block; margin-top: 7px; color: var(--green-dark); font-size: 12px; font-weight: 700; letter-spacing: 2.7px; }
.menu-toggle { display: none; border: 0; padding: 10px; background: transparent; color: #222; font-size: 28px; }
.main-menu { height: 88px; display: flex; align-items: stretch; margin: 0; padding: 0; list-style: none; }
.main-menu > li { position: relative; display: flex; align-items: stretch; }
.main-menu > li > a, .main-menu > li > button { display: flex; align-items: center; padding: 0 15px; border: 0; background: transparent; color: #000; font-size: 15px; }
.main-menu > li > a:hover, .main-menu > li > button:hover, .main-menu > li > a.active, .main-menu > li > button.active { color: var(--green); }
.caret { margin-left: 7px; color: var(--green); font-size: 9px; }
.dropdown { position: absolute; top: 78px; left: 0; width: 218px; margin: 0; padding: 10px 0; list-style: none; background: #24262b; opacity: 0; visibility: hidden; transform: translateY(8px); box-shadow: 0 12px 30px rgba(0,0,0,.22); transition: .2s ease; }
.dropdown a { display: block; padding: 9px 19px; color: rgba(255,255,255,.82); font-size: 14px; }
.dropdown a:hover, .dropdown a.active { color: #fff; background: rgba(255,255,255,.07); }
.has-dropdown:hover .dropdown, .has-dropdown:focus-within .dropdown { opacity: 1; visibility: visible; transform: none; }

/* ANA SAYFA SLAYT */
.hero { position: relative; height: 700px; overflow: hidden; background: #314a43; }
.slides { height: 100%; margin: 0; padding: 0; list-style: none; }
.slide { position: absolute; inset: 0; display: grid; place-items: center; opacity: 0; transition: opacity .75s ease; }
.slide.active { z-index: 2; opacity: 1; }
.slide:nth-child(1) { background: linear-gradient(135deg, #738b84, #263c38); }
.slide:nth-child(2) { background: linear-gradient(135deg, #89796b, #35453f); }
.slide:nth-child(3) { background: linear-gradient(135deg, #607f8c, #29484a); }
.slide:nth-child(4) { background: linear-gradient(135deg, #8a7068, #2f584b); }
.slide:nth-child(5) { background: linear-gradient(135deg, #748b6d, #314c43); }
.slide::after { content: ""; position: absolute; inset: 0; background: rgba(8, 21, 22, .38); }
.slide-placeholder { position: absolute; inset: 0; display: grid; place-items: center; color: rgba(255,255,255,.45); text-align: center; font-size: 12px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; background-image: linear-gradient(45deg, rgba(255,255,255,.035) 25%, transparent 25%, transparent 75%, rgba(255,255,255,.035) 75%), linear-gradient(45deg, rgba(255,255,255,.035) 25%, transparent 25%, transparent 75%, rgba(255,255,255,.035) 75%); background-size: 40px 40px; background-position: 0 0, 20px 20px; }
.slide-copy { position: relative; z-index: 3; width: min(650px, calc(100% - 70px)); color: #fff; text-align: center; }
.slide-copy h1 { margin: 0; font-size: 52px; line-height: 1.22; font-weight: 300; letter-spacing: -.7px; text-shadow: 0 2px 14px rgba(0,0,0,.25); }
.hero-arrow { position: absolute; z-index: 6; top: 50%; width: 60px; height: 60px; transform: translateY(-50%); border: 0; background: rgba(0,0,0,.65); color: #fff; font-size: 29px; opacity: 0; transition: opacity .2s ease; }
.hero:hover .hero-arrow, .hero-arrow:focus-visible { opacity: 1; }
.hero-arrow.prev { left: 0; }
.hero-arrow.next { right: 0; }
.slider-dots { position: absolute; z-index: 7; left: 0; right: 0; bottom: 48px; display: flex; justify-content: center; gap: 12px; }
.slider-dot { width: 10px; height: 10px; padding: 0; border: 0; border-radius: 50%; background: rgba(255,255,255,.28); }
.slider-dot.active { background: #fff; }
.welcome { min-height: 350px; display: flex; align-items: center; background: var(--orange); }
.welcome h2 { margin: 0; color: #fff; font-size: 42px; line-height: 1.25; font-weight: 300; }
.home-intro { padding: 105px 0; }
.intro-card { min-height: 420px; display: grid; grid-template-columns: 31% 69%; }
.intro-copy { z-index: 2; padding: 40px; background: #fff; box-shadow: 0 8px 34px rgba(24,31,40,.1); }
.intro-copy h3 { margin: 0 0 22px; color: var(--ink); font-size: 21px; line-height: 1.45; font-weight: 300; }
.intro-copy p { margin: 0 0 24px; text-align: justify; }
.video-placeholder { position: relative; min-height: 420px; display: grid; place-items: center; background: linear-gradient(145deg, #dce4e1, #9eb2aa); color: #fff; text-align: center; font-size: 12px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; }
.video-placeholder::after { content: ""; position: absolute; inset: 0; background: rgba(24,61,50,.18); }
.video-placeholder > div { position: relative; z-index: 2; }
.play-icon { position: relative; width: 74px; height: 74px; margin: 0 auto 15px; border: 3px solid #fff; border-radius: 50%; }
.play-icon::after { content: ""; position: absolute; left: 28px; top: 21px; border-top: 13px solid transparent; border-bottom: 13px solid transparent; border-left: 20px solid #fff; }

/* ALT SAYFA BAŞLIĞI */
.page-title { min-height: 350px; display: flex; align-items: center; background: var(--orange); color: #fff; }
.page-title h1 { margin: 0; font-size: 42px; line-height: 1.25; font-weight: 300; }
.content-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 55px; align-items: start; }
.content-grid h2, .text-content h2 { margin: 0 0 20px; color: var(--ink); font-size: 30px; line-height: 1.35; font-weight: 300; }
.text-content p, .content-grid p { margin: 0 0 20px; text-align: justify; }
.side-photo { min-height: 430px; }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; }
.principle { padding: 28px 24px; border-top: 3px solid var(--green); background: #fff; box-shadow: 0 5px 24px rgba(25,33,44,.07); }
.principle-icon { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 17px; border-radius: 50%; background: rgba(73,210,146,.14); color: var(--green-dark); font-size: 21px; }
.principle h3 { margin: 0 0 10px; color: var(--ink); font-size: 20px; font-weight: 300; }
.principle p { margin: 0; font-size: 14px; text-align: left; }

/* HİZMETLER */
.services-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 34px 30px; }
.service-card { min-height: 294px; display: grid; grid-template-columns: 188px 1fr; }
.media-placeholder { min-height: 100%; display: grid; place-items: center; padding: 16px; background: linear-gradient(145deg, #bdcbc6, #78938a); color: #fff; text-align: center; font-size: 11px; line-height: 1.5; font-weight: 700; letter-spacing: 1.3px; text-transform: uppercase; }
.service-card:nth-child(even) .media-placeholder { background: linear-gradient(145deg, #c7bdb2, #8f8073); }
.service-copy { padding: 20px; }
.service-copy h3 { margin: 0 0 14px; color: var(--ink); font-size: 20px; line-height: 1.45; font-weight: 300; }
.service-copy p { margin: 0 0 18px; text-align: justify; font-size: 14px; line-height: 1.65; }
.service-detail { display: grid; grid-template-columns: 42% 58%; gap: 45px; }
.service-detail .media-placeholder { min-height: 430px; }
.service-detail h2 { margin: 0 0 22px; color: var(--ink); font-size: 31px; line-height: 1.35; font-weight: 300; }
.service-detail p { text-align: justify; }

/* GALERİ */
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; }
.gallery-item { position: relative; aspect-ratio: 4/3; overflow: hidden; border: 0; padding: 0; }
.gallery-item .media-placeholder { width: 100%; height: 100%; transition: transform .25s ease, filter .25s ease; }
.gallery-item:nth-child(3n+2) .media-placeholder { background: linear-gradient(145deg, #c8beb3, #8f8074); }
.gallery-item:nth-child(3n+3) .media-placeholder { background: linear-gradient(145deg, #afc1c9, #708892); }
.gallery-item:hover .media-placeholder { transform: scale(1.04); filter: brightness(.9); }
.lightbox { position: fixed; z-index: 150; inset: 0; display: none; place-items: center; padding: 25px; background: rgba(0,0,0,.88); }
.lightbox.open { display: grid; }
.lightbox-card { width: min(880px, 100%); min-height: 520px; display: grid; place-items: center; background: #394b46; color: #fff; text-align: center; }
.lightbox-close { position: fixed; right: 25px; top: 18px; border: 0; background: transparent; color: #fff; font-size: 38px; }

/* İLETİŞİM */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 55px; }
.contact-grid h2 { margin: 0 0 20px; color: var(--ink); font-size: 27px; line-height: 1.35; font-weight: 300; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label { display: block; margin-bottom: 6px; color: #555; }
.field input, .field textarea { width: 100%; padding: 12px 13px; border: 1px solid #ddd; outline: 0; color: #333; background: #fff; }
.field textarea { min-height: 145px; resize: vertical; }
.field input:focus, .field textarea:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(73,210,146,.14); }
.form-status { min-height: 24px; margin-top: 10px; color: var(--green-dark); }
.map-placeholder { min-height: 390px; display: grid; place-items: center; padding: 30px; border: 1px solid #ddd; background: #eef0f1; color: #888; text-align: center; font-weight: 700; letter-spacing: 1px; }

/* ÇAĞRI VE ALT BİLGİ */
.cta { min-height: 156px; display: flex; align-items: center; background: var(--orange); color: #fff; }
.cta .container { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.cta h2 { margin: 0; font-size: 36px; font-weight: 300; }
.button-ghost { min-width: 200px; min-height: 49px; border-color: #fff; background: transparent; font-size: 18px; }
.button-ghost:hover { border-color: #fff; background: #fff; color: var(--orange); }
.footer { padding: 100px 0 45px; background: var(--green-dark); color: rgba(255,255,255,.9); }
.footer-grid { display: grid; grid-template-columns: 1.4fr .75fr 1.4fr; gap: 80px; }
.footer h3 { margin: 0 0 24px; color: #fff; font-size: 24px; font-weight: 300; }
.footer p { margin: 0 0 22px; }
.footer-social { display: flex; gap: 16px; color: rgba(255,255,255,.68); font-size: 22px; }
.footer-links, .footer-contact { margin: 0; padding: 0; list-style: none; }
.footer-links li { margin-bottom: 9px; }
.footer-links a { color: rgba(255,255,255,.68); }
.footer-links a:hover { color: #fff; }
.footer-contact li { display: grid; grid-template-columns: 26px 1fr; gap: 9px; margin-bottom: 15px; }
.footer-contact i { color: #fff; font-style: normal; }
.copyright { margin-top: 65px; padding-top: 25px; border-top: 1px solid rgba(255,255,255,.16); display: flex; justify-content: space-between; gap: 20px; color: rgba(255,255,255,.72); }
.copyright p { margin: 0; }
.whatsapp { position: fixed; z-index: 90; right: 16px; bottom: 16px; width: 54px; height: 54px; display: grid; place-items: center; border-radius: 50%; background: #1bd741; color: #fff; box-shadow: 0 5px 22px rgba(0,0,0,.24); font-size: 25px; font-weight: 700; }

@media (max-width: 1000px) {
  .top-address { display: none !important; }
  .brand { min-width: 0; }
  .menu-toggle { display: block; }
  .main-menu { position: fixed; z-index: 120; inset: 0 0 0 auto; width: min(340px, 88vw); height: 100vh; display: block; padding: 90px 22px 30px; overflow-y: auto; background: #fff; box-shadow: -10px 0 35px rgba(0,0,0,.18); transform: translateX(105%); transition: transform .28s ease; }
  .main-menu.open { transform: none; }
  .main-menu > li, .main-menu > li > a, .main-menu > li > button { display: block; width: 100%; height: auto; }
  .main-menu > li > a, .main-menu > li > button { padding: 13px 10px; border-bottom: 1px solid #eee; text-align: left; }
  .dropdown { position: static; width: 100%; max-height: 0; padding: 0; overflow: hidden; opacity: 1; visibility: visible; transform: none; box-shadow: none; background: #f6f6f6; transition: max-height .25s ease; }
  .has-dropdown.expanded .dropdown { max-height: 320px; padding: 7px 0; }
  .dropdown a { color: #555; }
  .intro-card, .content-grid { grid-template-columns: 1fr; }
  .principles { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { gap: 40px; }
}

@media (max-width: 700px) {
  body { background: #fff; }
  .container { width: min(100% - 30px, var(--container)); }
  .topbar { height: 43px; }
  .top-email { display: none !important; }
  .navbar { height: 78px; }
  .brand-icon { width: 48px; height: 48px; flex-basis: 48px; }
  .brand-icon::before { width: 14px; height: 44px; left: 17px; top: 2px; }
  .brand-icon::after { width: 44px; height: 14px; left: 2px; top: 17px; }
  .brand-text strong { font-size: 18px; }
  .brand-text small { font-size: 10px; letter-spacing: 1.7px; }
  .hero { height: 560px; }
  .slide-copy h1 { font-size: 38px; }
  .hero-arrow { width: 44px; height: 48px; }
  .welcome, .page-title { min-height: 260px; }
  .welcome h2, .page-title h1 { font-size: 33px; }
  .section, .home-intro { padding: 72px 0; }
  .center-heading { margin-bottom: 45px; }
  .center-heading h2 { font-size: 34px; }
  .intro-card { grid-template-columns: 1fr; }
  .intro-copy { padding: 32px 26px; }
  .video-placeholder { min-height: 300px; }
  .principles { grid-template-columns: 1fr; }
  .service-card, .service-detail { grid-template-columns: 1fr; }
  .service-card .media-placeholder { min-height: 240px; }
  .service-detail .media-placeholder { min-height: 300px; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .cta { padding: 48px 0; }
  .cta .container { display: block; text-align: center; }
  .cta h2 { margin-bottom: 24px; font-size: 31px; }
  .footer { padding-top: 72px; }
  .footer-grid { grid-template-columns: 1fr; gap: 42px; }
  .copyright { display: block; }
  .copyright a { display: inline-block; margin-top: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}