/* Kocaeli Hava Durumu - style.css | Perf optimized */
:root{
  --pri:#1565C0;--pri-lt:#1976D2;--pri-dk:#0D47A1;
  --sky:#E3F2FD;--sky-mid:#BBDEFB;
  --text:#1A1A2E;--muted:#546E7A;--border:#CFD8DC;
  --bg:#F0F4F8;--card:#fff;
  --sh:0 2px 12px rgba(21,101,192,.10);
  --r:12px;--rs:8px;--tr:.2s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;text-size-adjust:100%;-webkit-text-size-adjust:100%}
body{font-family:'Nunito',system-ui,-apple-system,'Segoe UI',sans-serif;background:var(--bg);color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--pri);text-decoration:none}
a:hover{text-decoration:underline}
ul{list-style:none}

/* Layout */
.container{width:100%;max-width:1140px;margin:0 auto;padding:0 16px}
.page-wrap{display:flex;flex-direction:column;gap:24px;padding:24px 0 40px}
.main-col{min-width:0}
.sidebar{display:none}
@media(min-width:900px){
  .page-wrap{flex-direction:row;align-items:flex-start}
  .main-col{flex:1}
  .sidebar{display:block;width:300px;flex-shrink:0}
}

/* Ads - explicit min-height prevents CLS */
.ad-top{background:#f8f8f8;text-align:center;padding:8px 0;min-height:90px;border-bottom:1px solid var(--border);contain:layout size}
.ad-mid{background:#f8f8f8;text-align:center;padding:12px;margin:24px 0;min-height:250px;border:1px dashed var(--border);border-radius:var(--rs);contain:layout size}
.ad-sidebar{background:#f8f8f8;text-align:center;padding:12px;min-height:250px;border:1px dashed var(--border);border-radius:var(--rs);margin-bottom:20px;contain:layout size}

/* Header */
.site-header{background:linear-gradient(135deg,var(--pri-dk) 0%,var(--pri-lt) 100%);color:#fff;box-shadow:0 3px 16px rgba(13,71,161,.3);position:sticky;top:0;z-index:200}
.header-inner{display:flex;align-items:center;height:60px;gap:12px}
.logo{display:flex;align-items:center;gap:8px;text-decoration:none;flex:1;min-width:0}
.logo-icon{font-size:1.7rem;line-height:1;flex-shrink:0}
.logo-text{font-family:'Oswald',system-ui,sans-serif;font-size:1.25rem;color:#fff;letter-spacing:.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* Hamburger */
.nav-toggle{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:40px;height:40px;min-width:40px;background:rgba(255,255,255,.15);border:none;border-radius:8px;cursor:pointer;padding:0;flex-shrink:0;order:-1;touch-action:manipulation}
.hamburger-bar{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:transform .25s ease,opacity .25s ease;pointer-events:none}
body.menu-open .hamburger-bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.menu-open .hamburger-bar:nth-child(2){opacity:0}
body.menu-open .hamburger-bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Desktop nav */
.desktop-nav{display:none}
@media(min-width:768px){
  .nav-toggle{display:none}
  .desktop-nav{display:block}
  .desktop-nav ul{display:flex;gap:4px;list-style:none;margin:0;padding:0}
  .desktop-nav a{color:rgba(255,255,255,.9);font-size:.9rem;font-weight:600;padding:6px 12px;border-radius:6px;display:block;text-decoration:none}
  .desktop-nav a:hover{background:rgba(255,255,255,.15);color:#fff}
}

/* Mobile drawer */
.nav-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:300;opacity:0;transition:opacity .3s ease}
.nav-overlay.active{display:block;opacity:1}
.mobile-drawer{position:fixed;top:0;left:0;bottom:0;width:280px;background:var(--pri-dk);z-index:400;overflow-y:auto;overscroll-behavior:contain;transform:translateX(-100%);transition:transform .3s cubic-bezier(.4,0,.2,1);-webkit-overflow-scrolling:touch}
.mobile-drawer.open{transform:translateX(0)}
.drawer-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background:rgba(0,0,0,.2);border-bottom:1px solid rgba(255,255,255,.1);position:sticky;top:0;z-index:1}
.drawer-logo{font-family:'Oswald',system-ui,sans-serif;font-size:1.1rem;color:#fff}
.drawer-close{background:rgba(255,255,255,.15);border:none;color:#fff;font-size:1rem;width:32px;height:32px;border-radius:6px;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;touch-action:manipulation}
.drawer-close:hover{background:rgba(255,255,255,.25)}
.drawer-links{list-style:none;margin:0;padding:8px 0 24px}
.drawer-links li a{display:block;padding:11px 20px;color:rgba(255,255,255,.88);font-size:.95rem;font-weight:600;text-decoration:none;border-left:3px solid transparent;transition:background .15s,border-color .15s,color .15s}
.drawer-links li a:hover,.drawer-links li a:active{background:rgba(255,255,255,.1);border-left-color:#fff;color:#fff}
.drawer-divider{font-size:.7rem;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;color:rgba(255,255,255,.4);padding:14px 20px 6px}
body.menu-open{overflow:hidden}

/* Breadcrumb */
.breadcrumb{font-size:.82rem;color:var(--muted);padding:10px 0}
.breadcrumb a{color:var(--pri)}
.breadcrumb span{margin:0 5px}

/* Page title */
.page-title-section{margin-bottom:20px}
.page-title-section h1{font-family:'Oswald',system-ui,sans-serif;font-size:1.9rem;color:var(--pri-dk);letter-spacing:.3px}
.page-title-section .subtitle{color:var(--muted);font-size:.95rem;margin-top:4px}

/* Cards */
.card{background:var(--card);border-radius:var(--r);box-shadow:var(--sh);padding:20px;margin-bottom:20px}
.card-title{font-family:'Oswald',system-ui,sans-serif;font-size:1.1rem;color:var(--pri);margin-bottom:16px;padding-bottom:8px;border-bottom:2px solid var(--sky-mid);display:flex;align-items:center;gap:8px}

/* Current weather */
.current-weather{background:linear-gradient(135deg,#1565C0 0%,#42A5F5 100%);color:#fff;border-radius:var(--r);padding:28px 24px;margin-bottom:20px;box-shadow:0 4px 20px rgba(21,101,192,.25);contain:layout}
.cw-top{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:12px}
.cw-city{font-size:.95rem;opacity:.85;font-weight:600}
.cw-date{font-size:.85rem;opacity:.75}
.cw-main{display:flex;align-items:center;gap:16px;margin-top:12px}
.cw-icon{font-size:4rem;line-height:1;width:64px;height:64px;display:flex;align-items:center;justify-content:center}
.cw-temp{font-family:'Oswald',system-ui,sans-serif;font-size:4rem;line-height:1}
.cw-temp sup{font-size:1.8rem;vertical-align:super}
.cw-desc{font-size:1.1rem;opacity:.9;margin-top:4px;font-weight:600}
.cw-details{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:20px}
@media(min-width:480px){.cw-details{grid-template-columns:repeat(4,1fr)}}
.cw-detail{background:rgba(255,255,255,.15);border-radius:8px;padding:10px 12px;text-align:center;min-height:60px}
.cw-detail-label{font-size:.72rem;opacity:.8;text-transform:uppercase;letter-spacing:.5px}
.cw-detail-val{font-size:1.1rem;font-weight:700;margin-top:2px}

/* Hourly */
.hourly-scroll{display:flex;gap:10px;overflow-x:auto;padding-bottom:8px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.hourly-scroll::-webkit-scrollbar{height:4px}
.hourly-scroll::-webkit-scrollbar-track{background:var(--sky);border-radius:2px}
.hourly-scroll::-webkit-scrollbar-thumb{background:var(--pri-lt);border-radius:2px}
.hour-card{flex-shrink:0;scroll-snap-align:start;background:var(--sky);border-radius:var(--rs);padding:12px 14px;text-align:center;min-width:75px;width:75px;border:1px solid var(--sky-mid)}
.hour-time{font-size:.75rem;font-weight:700;color:var(--pri)}
.hour-icon{font-size:1.6rem;margin:6px 0;line-height:1}
.hour-temp{font-size:1rem;font-weight:700}
.hour-rain{font-size:.72rem;color:#1565C0;margin-top:3px}

/* 7-day forecast */
.day-list{display:flex;flex-direction:column;gap:8px}
.day-row{display:flex;align-items:center;justify-content:space-between;background:var(--sky);border-radius:var(--rs);padding:10px 16px;border:1px solid var(--sky-mid);min-height:44px}
.day-name{font-weight:700;min-width:40px;font-size:.9rem}
.day-icon{font-size:1.5rem;width:28px;text-align:center}
.day-desc{flex:1;padding:0 12px;color:var(--muted);font-size:.85rem}
.day-temps{display:flex;gap:10px;font-weight:700;font-size:.95rem}
.day-max{color:var(--text)}
.day-min{color:var(--muted)}

/* City grid */
.city-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(min-width:600px){.city-grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:900px){.city-grid{grid-template-columns:repeat(4,1fr)}}
.city-card{background:var(--card);border-radius:var(--r);padding:16px;text-align:center;border:1px solid var(--border);box-shadow:var(--sh);text-decoration:none;display:block;color:var(--text);min-height:120px}
@media(min-width:768px){
  .city-card{transition:transform var(--tr),box-shadow var(--tr)}
  .city-card:hover{transform:translateY(-3px);box-shadow:0 6px 20px rgba(21,101,192,.15)}
}
.city-card .cc-icon{font-size:2rem;margin-bottom:6px;line-height:1}
.city-card .cc-name{font-family:'Oswald',system-ui,sans-serif;font-size:1rem;color:var(--pri)}
.city-card .cc-temp{font-size:1.5rem;font-weight:800;margin:4px 0}
.city-card .cc-desc{font-size:.78rem;color:var(--muted)}

/* SEO content */
.seo-content{background:var(--card);border-radius:var(--r);padding:24px;margin-bottom:20px;box-shadow:var(--sh)}
.seo-content h2{font-family:'Oswald',system-ui,sans-serif;font-size:1.3rem;color:var(--pri-dk);margin:20px 0 10px}
.seo-content h2:first-child{margin-top:0}
.seo-content h3{font-family:'Oswald',system-ui,sans-serif;font-size:1.1rem;color:var(--pri);margin:16px 0 8px}
.seo-content p{margin-bottom:12px;color:#37474F;line-height:1.75}
.seo-content ul{padding-left:20px;list-style:disc;margin-bottom:12px}
.seo-content ul li{margin-bottom:6px;color:#37474F}

/* Sidebar */
.sidebar .card{margin-bottom:16px}
.sidebar-city-list{display:flex;flex-direction:column;gap:6px}
.sidebar-city-list a{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;background:var(--sky);border-radius:var(--rs);color:var(--text);font-size:.9rem;font-weight:600;border:1px solid var(--sky-mid);min-height:38px}
.sidebar-city-list a:hover{background:var(--sky-mid);text-decoration:none}

/* Error */
.weather-error{background:#FFF3E0;border:1px solid #FFB74D;border-radius:var(--r);padding:20px;text-align:center;color:#E65100}

/* Footer */
.site-footer{background:var(--pri-dk);color:rgba(255,255,255,.85);padding:36px 0 16px;margin-top:40px}
.footer-grid{display:grid;gap:24px;grid-template-columns:1fr;margin-bottom:28px}
@media(min-width:600px){.footer-grid{grid-template-columns:repeat(3,1fr)}}
.footer-col h3{font-family:'Oswald',system-ui,sans-serif;color:#fff;font-size:1rem;margin-bottom:12px}
.footer-col ul{display:flex;flex-direction:column;gap:6px}
.footer-col ul li a{color:rgba(255,255,255,.75);font-size:.85rem}
.footer-col ul li a:hover{color:#fff}
.footer-col p{font-size:.85rem;color:rgba(255,255,255,.7)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding-top:16px;text-align:center;font-size:.8rem;color:rgba(255,255,255,.5)}
.footer-bottom a{color:rgba(255,255,255,.7)}

/* Utility */
.text-center{text-align:center}
.badge{display:inline-block;background:var(--sky-mid);color:var(--pri-dk);border-radius:20px;padding:2px 10px;font-size:.78rem;font-weight:700}
.section-label{font-family:'Oswald',system-ui,sans-serif;font-size:.8rem;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin-bottom:12px}
.loader{text-align:center;padding:40px;color:var(--muted);font-size:1.1rem}

/* Print */
@media print{.ad-top,.ad-mid,.ad-sidebar,.site-header,.site-footer,.nav-overlay,.mobile-drawer{display:none}}