/* Trakya Teknik Arıtma — saf HTML/CSS statik sürüm. Temiz su mavisi #1796D2, lacivert #173042. */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;700&family=Space+Grotesk:wght@500;600;700&display=swap');
:root{--blue:#1796d2;--navy:#173042;--ink:#45606f;--pale:#eaf6fb;--line:#dbe8ef;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f7fafc;color:var(--navy);font-family:'DM Sans',sans-serif}a{color:inherit;text-decoration:none;transition:.18s ease}img{max-width:100%;display:block}.container{width:min(1180px,calc(100% - 40px));margin:auto}.font-display{font-family:'Space Grotesk',sans-serif}.site-header{position:sticky;top:0;z-index:10;background:#fffffff2;border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}.nav{height:76px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px;font-family:'Space Grotesk';font-weight:700;letter-spacing:-.04em}.brand span:last-child{font-size:18px}.brand b{color:var(--blue)}.brand-mark{position:relative;width:45px;height:45px;border:1px solid #b9dce9;background:#eefaff;display:grid;place-items:center}.brand-mark:after{content:'';position:absolute;right:-4px;bottom:-4px;width:9px;height:9px;border-right:2px solid var(--blue);border-bottom:2px solid var(--blue)}.brand-mark img{width:75%;height:75%;object-fit:contain}.nav-links{display:flex;align-items:center;gap:30px;font-size:14px;font-weight:700;color:var(--ink)}.nav-links a:hover{color:var(--blue)}.call-link,.primary{display:inline-flex;align-items:center;gap:9px;background:var(--blue);color:white;padding:13px 17px;font-weight:700}.call-link:hover,.primary:hover{background:#116f9d}.menu-btn{display:none;border:0;background:none;font-size:24px}.eyebrow{color:var(--blue);font-size:11px;font-weight:700;letter-spacing:.2em}.hero{background:var(--pale);padding:72px 0}.hero-grid{display:grid;grid-template-columns:.88fr 1.12fr;align-items:center;gap:34px}.hero h1{font:700 clamp(48px,7vw,92px)/.98 'Space Grotesk';letter-spacing:-.07em;margin:18px 0}.hero h1 span,.section h2 span{color:var(--blue)}.hero p{color:#54707e;font-size:18px;line-height:1.8;max-width:510px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.secondary{display:inline-flex;align-items:center;gap:9px;border:1px solid #a9cfdd;padding:13px 17px;font-weight:700;color:#275264}.secondary:hover{border-color:var(--blue);color:var(--blue)}.hero-image{position:relative;min-height:460px;overflow:hidden;background:white}.hero-image img{width:100%;height:100%;min-height:460px;object-fit:cover}.hero-caption{position:absolute;bottom:0;left:0;right:0;padding:25px;color:#fff;background:linear-gradient(transparent,#173042b8)}.hero-caption strong{display:block;font:700 25px/1.15 'Space Grotesk';margin-top:6px}.slider-controls{position:absolute;right:22px;bottom:24px;display:flex;gap:8px}.slider-controls button{width:44px;height:44px;border:1px solid #ffffff80;background:#17304255;color:#fff;cursor:pointer}.slider-controls button:hover{background:var(--blue)}.feature-strip{background:#fff;border-bottom:1px solid var(--line)}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr)}.feature{display:flex;gap:12px;align-items:center;padding:22px 15px;border-right:1px solid var(--line);font-size:14px;font-weight:700;color:var(--ink)}.feature:hover{color:var(--blue)}.icon-box{display:grid;place-items:center;width:36px;height:36px;background:var(--pale);color:var(--blue)}.section{padding:100px 0}.two-col{display:grid;grid-template-columns:.8fr 1.2fr;gap:110px}.section h2{font:700 clamp(38px,5vw,58px)/1.05 'Space Grotesk';letter-spacing:-.06em;margin:18px 0}.lead{font-size:20px;line-height:1.8;color:#54707e}.note{border-left:4px solid var(--blue);background:var(--pale);padding:20px 24px;margin-top:28px;font-weight:700;line-height:1.7}.areas{background:#fff}.area-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.area-card{border:1px solid var(--line);background:#f7fafc;padding:22px}.area-card h3{font:700 20px 'Space Grotesk';margin:0}.area-card p{font-size:14px;line-height:1.9;color:#54707e}.dark-section{background:var(--navy);color:#fff}.dark-section h2{color:#fff}.dark-section h2 span{color:#65c5ea}.socials{display:flex;gap:10px}.social{display:grid;place-items:center;width:46px;height:46px;border:1px solid #ffffff55;color:#a9e3f5}.social:hover{background:var(--blue);border-color:var(--blue);color:#fff}.social svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.social.facebook svg{fill:currentColor;stroke:none}.rich-copy{display:grid;gap:22px}.rich-copy p{margin:0;color:#54707e;line-height:1.85}.section-label{font:700 13px 'Space Grotesk';color:var(--navy);letter-spacing:.04em}.footer-brand{display:flex;align-items:center;justify-content:space-between;gap:30px}.footer-socials{display:flex;gap:9px}.footer .social{width:38px;height:38px}.footer{background:#102530;color:#ffffff99;padding:25px 0;font-size:13px}.service-hero{background:var(--pale);padding:55px 0 80px}.service-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:45px;align-items:end}.back{display:inline-flex;gap:8px;font-size:14px;font-weight:700;color:#54707e;margin-bottom:38px}.service-grid h1{font:700 clamp(43px,6vw,76px)/1 'Space Grotesk';letter-spacing:-.07em;margin:15px 0}.service-image{width:100%;height:430px;object-fit:cover}.checks{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.check{background:#fff;border:1px solid var(--line);padding:20px;font-weight:700;line-height:1.5}.check:before{content:'✓';color:var(--blue);margin-right:10px}.gallery{display:grid;grid-template-columns:2fr 1fr;gap:15px}.gallery img{width:100%;height:310px;object-fit:cover}.gallery img:first-child{grid-row:span 2;height:635px}.service-area{background:#eef8fc;padding:65px 0}.whatsapp{position:fixed;right:20px;bottom:20px;z-index:20;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:#25d366;color:#fff;box-shadow:0 10px 25px #17304233}.whatsapp:hover{transform:translateY(-3px)}.faq{background:#fff}.faq-list{display:grid;gap:12px;max-width:780px}.faq-item{border:1px solid var(--line);background:#f7fafc;padding:20px 24px}.faq-item summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;font:700 17px/1.4 'Space Grotesk';color:var(--navy)}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:'+';color:var(--blue);font-size:22px;font-weight:400;flex:none}.faq-item[open] summary:after{content:'–'}.faq-item p{margin:14px 0 0;color:#54707e;line-height:1.85}@media(max-width:760px){.container{width:min(100% - 28px,600px)}.nav{height:64px}.nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;padding:18px 14px;flex-direction:column;align-items:flex-start;gap:18px;border-bottom:1px solid var(--line)}.nav-links.open{display:flex}.menu-btn{display:block}.hero{padding:42px 0}.hero-grid,.two-col,.service-grid{grid-template-columns:1fr;gap:32px}.hero-image,.hero-image img{min-height:330px}.feature-grid{grid-template-columns:1fr}.feature{border-right:0;border-bottom:1px solid var(--line);padding:15px}.section{padding:65px 0}.area-grid{grid-template-columns:1fr}.gallery{grid-template-columns:1fr}.gallery img,.gallery img:first-child{height:260px;grid-row:auto}.service-hero{padding:35px 0 60px}.service-image{height:310px}.checks{grid-template-columns:1fr}.brand span:last-child{font-size:14px}.hero p{font-size:16px}.faq-item summary{font-size:15px}}