/* =============================================
   SENTO HİJYEN SİSTEMLERİ – Ana Stil
   Renkler: Lacivert #1B3C8A | Turuncu #E85D0A
   ============================================= */
:root {
    --navy:       #1B3C8A;
    --navy-dk:    #142d6b;
    --navy-lt:    #2a4fa0;
    --orange:     #E85D0A;
    --orange-dk:  #c44e08;
    --orange-lt:  #f0690f;
    --white:      #FFFFFF;
    --bg:         #F4F7FB;
    --gray:       #6B7280;
    --gray-lt:    #E5E9F2;
    --text:       #1A202C;
    --text-lt:    #4A5568;
    --radius:     10px;
    --shadow:     0 2px 16px rgba(27,60,138,.09);
    --shadow-lg:  0 8px 40px rgba(27,60,138,.15);
    --trans:      all .22s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Nunito', 'Segoe UI', system-ui, sans-serif; color: var(--text); background: #fff; line-height: 1.6; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--orange); text-decoration: none; }
a:hover { color: var(--orange-dk); }

/* ---- TYPOGRAPHY ---- */
h1,h2,h3,h4,h5 { font-family: 'Montserrat', 'Segoe UI', sans-serif; font-weight: 800; line-height: 1.25; color: var(--navy); }
h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); }
p  { margin-bottom: 1rem; color: var(--text-lt); }

/* ---- BUTTONS ---- */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 11px 26px; border-radius: 8px; font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: .9rem; cursor: pointer; transition: var(--trans); border: 2px solid transparent; text-decoration: none; }
.btn-primary { background: var(--orange); color: #fff; border-color: var(--orange); }
.btn-primary:hover { background: var(--orange-dk); border-color: var(--orange-dk); color: #fff; transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--orange); border-color: var(--orange); }
.btn-outline:hover { background: var(--orange); color: #fff; transform: translateY(-1px); }
.btn-navy { background: var(--navy); color: #fff; border-color: var(--navy); }
.btn-navy:hover { background: var(--navy-dk); color: #fff; transform: translateY(-1px); }
.btn-white { background: #fff; color: var(--navy); border-color: #fff; }
.btn-white:hover { background: var(--bg); color: var(--navy); }
.btn-sm { padding: 7px 16px; font-size: .8rem; }
.btn-lg { padding: 14px 36px; font-size: 1rem; }

/* ---- LAYOUT ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 70px 0; }
.section-sm { padding: 48px 0; }
.row { display: flex; flex-wrap: wrap; gap: 24px; }

/* ---- HEADER ---- */
.site-header {
    background: #fff;
    border-bottom: 3px solid var(--orange);
    position: sticky; top: 0; z-index: 900;
    box-shadow: 0 2px 16px rgba(27,60,138,.07);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.logo { display: flex; flex-direction: column; line-height: 1; text-decoration: none; user-select: none; }
.logo-text { font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: 2rem; color: var(--navy); letter-spacing: -1px; display: flex; align-items: center; gap: 2px; }
.logo-sub { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: .6rem; letter-spacing: 3px; color: var(--navy); margin-top: -2px; }
.logo-icon { position: relative; width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center; }

/* ---- MAIN NAV ---- */
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a { font-family: 'Montserrat', sans-serif; font-weight: 600; font-size: .85rem; color: var(--navy); padding: 7px 14px; border-radius: 7px; transition: var(--trans); }
.main-nav a:hover, .main-nav a.active { background: var(--navy); color: #fff; }
.main-nav .btn-admin { background: var(--orange); color: #fff; margin-left: 8px; }
.main-nav .btn-admin:hover { background: var(--orange-dk); }

/* ---- HAMBURGER ---- */
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.hamburger span { display: block; width: 26px; height: 2.5px; background: var(--navy); border-radius: 2px; transition: var(--trans); }
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ---- MOBILE NAV ---- */
.mobile-menu { display: none; background: #fff; border-top: 1px solid var(--gray-lt); padding: 16px 20px; }
.mobile-menu.open { display: block; }
.mobile-menu a { display: block; padding: 12px 0; font-family: 'Montserrat', sans-serif; font-weight: 600; font-size: .9rem; color: var(--navy); border-bottom: 1px solid var(--gray-lt); }
.mobile-menu a:last-child { border: none; }
.mobile-menu a.active, .mobile-menu a:hover { color: var(--orange); }

/* ---- HERO ---- */
.hero {
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-lt) 100%);
    color: #fff; padding: 80px 0; position: relative; overflow: hidden;
}
.hero::before {
    content:''; position: absolute; right: -100px; top: -100px;
    width: 500px; height: 500px; border-radius: 50%;
    background: var(--orange); opacity: .07;
}
.hero::after {
    content:''; position: absolute; right: 150px; bottom: -80px;
    width: 300px; height: 300px; border-radius: 50%;
    background: var(--orange); opacity: .05;
}
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; z-index: 1; }
.hero-badge { display: inline-flex; align-items: center; gap: 6px; background: var(--orange); padding: 6px 16px; border-radius: 30px; font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: .75rem; margin-bottom: 24px; }
.hero h1 { color: #fff; margin-bottom: 18px; }
.hero p { color: rgba(255,255,255,.85); font-size: 1.05rem; margin-bottom: 34px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.hero-card { background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.15); border-radius: 12px; padding: 20px; backdrop-filter: blur(8px); }
.hero-card-icon { font-size: 2rem; margin-bottom: 8px; }
.hero-card-title { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: .9rem; color: #fff; margin-bottom: 4px; }
.hero-card-desc { font-size: .78rem; color: rgba(255,255,255,.75); line-height: 1.5; }

/* ---- RULOPAK BANNER ---- */
.rulopak-bar { background: var(--orange); padding: 14px 0; }
.rulopak-bar .container { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.rulopak-bar span { color: #fff; font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: .9rem; }

/* ---- SECTION HEADER ---- */
.section-tag { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: .72rem; letter-spacing: 3px; color: var(--orange); text-transform: uppercase; margin-bottom: 8px; display: block; }
.section-title { margin-bottom: 40px; }
.section-title h2 { margin-bottom: 0; }
.section-title p { color: var(--text-lt); font-size: 1rem; margin-top: 10px; max-width: 600px; }
.text-center { text-align: center; }
.text-center .section-title p { margin: 10px auto 0; }

/* ---- CATEGORY GRID ---- */
.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 20px; }
.cat-card { background: #fff; border: 1.5px solid var(--gray-lt); border-radius: var(--radius); padding: 28px 20px; text-align: center; cursor: pointer; transition: var(--trans); text-decoration: none; display: block; }
.cat-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--orange); color: var(--text); }
.cat-icon { font-size: 2.4rem; margin-bottom: 12px; }
.cat-name { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: .9rem; color: var(--navy); margin-bottom: 6px; }
.cat-desc { font-size: .75rem; color: var(--gray); line-height: 1.5; }
.cat-link { color: var(--orange); font-size: .78rem; font-weight: 700; margin-top: 12px; display: block; }

/* ---- PRODUCT GRID ---- */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 24px; }
.product-card { background: #fff; border: 1.5px solid var(--gray-lt); border-radius: var(--radius); overflow: hidden; transition: var(--trans); cursor: pointer; text-decoration: none; display: block; }
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--orange); color: var(--text); }
.product-img { height: 150px; background: var(--bg); display: flex; align-items: center; justify-content: center; border-bottom: 1px solid var(--gray-lt); overflow: hidden; }
.product-img img { width: 100%; height: 100%; object-fit: cover; }
.product-img .product-placeholder { font-size: 4rem; }
.product-body { padding: 18px; }
.product-cat { font-size: .72rem; font-weight: 700; color: var(--orange); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .5px; }
.product-name { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: .92rem; color: var(--navy); margin-bottom: 8px; line-height: 1.4; }
.product-model { font-size: .75rem; color: var(--gray); margin-bottom: 12px; }
.product-footer { display: flex; justify-content: space-between; align-items: center; }
.product-price { font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: 1.2rem; color: var(--navy); }
.product-cta { font-size: .78rem; font-weight: 700; color: var(--orange); }

/* ---- FILTER TABS ---- */
.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px; }
.filter-btn { padding: 7px 16px; border-radius: 30px; border: 1.5px solid var(--gray-lt); background: #fff; font-family: 'Montserrat', sans-serif; font-weight: 600; font-size: .8rem; color: var(--text); cursor: pointer; transition: var(--trans); }
.filter-btn.active, .filter-btn:hover { background: var(--navy); color: #fff; border-color: var(--navy); }
.filter-btn.active { border-color: var(--orange); background: var(--orange); }

/* ---- PRODUCT DETAIL ---- */
.product-detail-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 56px; align-items: start; }
.product-detail-img { background: var(--bg); border-radius: 16px; padding: 48px; display: flex; align-items: center; justify-content: center; min-height: 300px; }
.product-detail-img img { max-height: 280px; object-fit: contain; border-radius: 8px; }
.feature-list { list-style: none; display: flex; flex-direction: column; gap: 8px; margin-bottom: 28px; }
.feature-list li { display: flex; gap: 10px; align-items: flex-start; font-size: .92rem; color: var(--text-lt); }
.feature-list li::before { content: '✓'; color: var(--orange); font-weight: 900; flex-shrink: 0; margin-top: 1px; }
.stock-badge { display: inline-block; background: #e8f5e9; color: #2e7d32; font-size: .75rem; font-weight: 700; padding: 4px 12px; border-radius: 20px; margin-left: 12px; }
.price-big { font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: 2.2rem; color: var(--navy); }

/* ---- SERVICES ---- */
.service-block { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; margin-bottom: 72px; }
.service-block:last-child { margin-bottom: 0; }
.service-icon-wrap { width: 80px; height: 80px; border-radius: 50%; background: var(--bg); border: 3px solid var(--orange); display: flex; align-items: center; justify-content: center; font-size: 2.4rem; margin-bottom: 24px; }
.service-steps { background: var(--bg); border-radius: 16px; padding: 32px; }
.service-step { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.service-step:last-child { margin-bottom: 0; }
.step-num { width: 36px; height: 36px; border-radius: 50%; background: var(--orange); color: #fff; display: flex; align-items: center; justify-content: center; font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: .9rem; flex-shrink: 0; }
.step-label { font-family: 'Montserrat', sans-serif; font-weight: 600; color: var(--navy); font-size: .9rem; }

/* ---- STATS ---- */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat-card { background: #fff; border: 2px solid var(--gray-lt); border-radius: 12px; padding: 28px 20px; text-align: center; }
.stat-num { font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: 2.2rem; color: var(--orange); }
.stat-label { font-size: .82rem; color: var(--navy); font-weight: 600; margin-top: 4px; }

/* ---- ABOUT ---- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-feat { display: flex; gap: 16px; padding: 16px 20px; background: var(--bg); border-radius: 10px; align-items: flex-start; margin-bottom: 14px; }
.about-feat:last-child { margin-bottom: 0; }
.about-feat-icon { font-size: 1.8rem; }
.about-feat-title { font-family: 'Montserrat', sans-serif; font-weight: 700; color: var(--navy); font-size: .9rem; margin-bottom: 4px; }
.about-feat-desc { font-size: .8rem; color: var(--text-lt); }
.rulopak-box { background: var(--navy); border-radius: 16px; padding: 40px; text-align: center; margin-top: 48px; }
.rulopak-box h3 { color: #fff; margin-bottom: 14px; }
.rulopak-box p { color: rgba(255,255,255,.8); font-size: .9rem; max-width: 700px; margin: 0 auto 24px; }

/* ---- CONTACT ---- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 60px; }
.contact-info-item { display: flex; gap: 16px; margin-bottom: 24px; align-items: flex-start; }
.contact-info-icon { width: 44px; height: 44px; border-radius: 50%; background: var(--bg); border: 2px solid var(--orange); display: flex; align-items: center; justify-content: center; font-size: 1.3rem; flex-shrink: 0; }
.contact-info-label { font-family: 'Montserrat', sans-serif; font-weight: 700; color: var(--navy); font-size: .8rem; margin-bottom: 2px; }
.contact-info-val { color: var(--text-lt); font-size: .95rem; }
.contact-form-card { background: #fff; border-radius: 16px; padding: 36px; border: 1px solid var(--gray-lt); box-shadow: var(--shadow); }

/* ---- FORM ELEMENTS ---- */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: .8rem; color: var(--navy); margin-bottom: 6px; }
.form-control { width: 100%; padding: 10px 14px; border: 1.5px solid var(--gray-lt); border-radius: 8px; font-family: 'Nunito', sans-serif; font-size: .92rem; color: var(--text); outline: none; transition: var(--trans); background: #fff; }
.form-control:focus { border-color: var(--orange); box-shadow: 0 0 0 3px rgba(232,93,10,.1); }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
textarea.form-control { resize: vertical; min-height: 100px; }
select.form-control { cursor: pointer; }
.form-check { display: flex; align-items: center; gap: 8px; }
.form-check input { width: auto; }
.alert { padding: 14px 18px; border-radius: 8px; font-size: .9rem; margin-bottom: 16px; }
.alert-success { background: #e8f5e9; color: #2e7d32; border: 1px solid #a5d6a7; }
.alert-danger  { background: #ffebee; color: #c62828; border: 1px solid #ef9a9a; }
.alert-info    { background: #e3f2fd; color: #1565c0; border: 1px solid #90caf9; }

/* ---- CITY TAGS ---- */
.city-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.city-tag { background: #fff; border: 1.5px solid var(--gray-lt); border-radius: 30px; padding: 5px 16px; font-size: .78rem; font-weight: 600; color: var(--navy); }

/* ---- REGION SECTION ---- */
.region-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }

/* ---- PAGE HERO ---- */
.page-hero { background: linear-gradient(135deg, var(--navy), var(--navy-lt)); padding: 56px 0; text-align: center; }
.page-hero h1 { color: #fff; margin-bottom: 12px; }
.page-hero p { color: rgba(255,255,255,.8); font-size: 1rem; margin: 0 auto; max-width: 600px; }

/* ---- BREADCRUMB ---- */
.breadcrumb { display: flex; gap: 8px; align-items: center; font-size: .8rem; color: rgba(255,255,255,.6); justify-content: center; margin-bottom: 12px; }
.breadcrumb a { color: rgba(255,255,255,.7); }
.breadcrumb a:hover { color: #fff; }

/* ---- SERVICES STRIP ---- */
.services-strip { background: var(--navy); padding: 72px 0; }
.services-strip h2 { color: #fff; }
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.service-mini { text-align: center; padding: 32px 16px; }
.service-mini-icon { width: 70px; height: 70px; border-radius: 50%; background: rgba(232,93,10,.15); border: 2px solid var(--orange); display: flex; align-items: center; justify-content: center; margin: 0 auto 18px; font-size: 2rem; }
.service-mini h3 { color: #fff; font-size: 1.1rem; margin-bottom: 10px; }
.service-mini p { color: rgba(255,255,255,.7); font-size: .85rem; margin: 0; }

/* ---- FOOTER ---- */
.site-footer { background: var(--navy); color: #fff; }
.footer-top { padding: 56px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; }
.footer-brand p { color: rgba(255,255,255,.7); font-size: .85rem; margin-top: 16px; line-height: 1.8; }
.footer-logo-sub { color: rgba(255,255,255,.7); font-size: .7rem; letter-spacing: 2px; font-family: 'Montserrat', sans-serif; }
.footer-h { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: .85rem; color: #fff; margin-bottom: 18px; }
.footer-links a, .footer-link { display: block; color: rgba(255,255,255,.65); font-size: .83rem; padding: 4px 0; transition: var(--trans); cursor: pointer; }
.footer-links a:hover, .footer-link:hover { color: var(--orange); }
.footer-contact-item { display: flex; gap: 8px; margin-bottom: 10px; color: rgba(255,255,255,.8); font-size: .83rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 20px 0; }
.footer-bottom-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { color: rgba(255,255,255,.45); font-size: .75rem; margin: 0; }
.bayi-badge { background: var(--orange); color: #fff; font-size: .72rem; font-weight: 700; padding: 4px 14px; border-radius: 20px; }

/* ---- RELATED PRODUCTS ---- */
.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px; }

/* ---- EMPTY STATE ---- */
.empty-state { text-align: center; padding: 80px 20px; color: var(--gray); }
.empty-state p { font-size: 1rem; }

/* ---- SUCCESS PAGE ---- */
.success-box { text-align: center; padding: 60px 20px; }
.success-box .icon { font-size: 4rem; margin-bottom: 16px; }

/* ---- BACK BTN ---- */
.back-btn { display: inline-flex; align-items: center; gap: 6px; color: var(--gray); font-size: .85rem; font-weight: 600; margin-bottom: 28px; font-family: 'Montserrat', sans-serif; }
.back-btn:hover { color: var(--orange); }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; gap: 40px; }
    .hero { padding: 60px 0; }
    .hero-cards { grid-template-columns: repeat(4,1fr); }
    .stats-grid { grid-template-columns: repeat(2,1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .services-grid { grid-template-columns: repeat(2,1fr); }
    .product-detail-grid { grid-template-columns: 1fr; gap: 32px; }
    .about-grid { grid-template-columns: 1fr; gap: 32px; }
    .region-grid { grid-template-columns: 1fr; gap: 32px; }
    .contact-grid { grid-template-columns: 1fr; gap: 32px; }
    .service-block { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 768px) {
    .section { padding: 50px 0; }
    .main-nav { display: none; }
    .hamburger { display: flex; }
    .hero-cards { grid-template-columns: repeat(2,1fr); }
    .hero-btns { flex-direction: column; }
    .hero-btns .btn { text-align: center; justify-content: center; }
    .stats-grid { grid-template-columns: repeat(2,1fr); }
    .cat-grid { grid-template-columns: repeat(auto-fill, minmax(140px,1fr)); gap: 14px; }
    .product-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .services-grid { grid-template-columns: 1fr 1fr; }
    .form-grid-2 { grid-template-columns: 1fr; }
    .rulopak-bar .container { justify-content: center; text-align: center; }
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.4rem; }
    .footer-bottom-inner { flex-direction: column; text-align: center; }
    .price-big { font-size: 1.8rem; }
}
@media (max-width: 480px) {
    .container { padding: 0 14px; }
    .product-grid { grid-template-columns: 1fr; }
    .hero-cards { grid-template-columns: 1fr 1fr; }
    .filter-bar { gap: 6px; }
    .filter-btn { font-size: .73rem; padding: 6px 12px; }
    .cat-grid { grid-template-columns: repeat(2,1fr); }
    .stats-grid { grid-template-columns: repeat(2,1fr); }
    .services-grid { grid-template-columns: 1fr; }
}

/* ---- UTILITY ---- */
.bg-light { background: var(--bg); }
.bg-navy { background: var(--navy); }
.d-flex { display: flex; }
.gap-16 { gap: 16px; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-0 { margin-bottom: 0 !important; }
.fw-900 { font-weight: 900; }
.color-orange { color: var(--orange); }
.color-navy { color: var(--navy); }
.hidden { display: none !important; }

/* Google Fonts (fallback inline) */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700;800;900&family=Nunito:wght@400;600;700&display=swap');