/* RESET & CORE VARIABLES - KAYA TEKNIK SERVIS */
:root {
  --primary: #31aae2;
  --primary-dark: #208cb8;
  --primary-navy: #1f3347;
  --header-bg: #ffffff;
  --nav-bg: #222d38;
  --nav-hover: #31aae2;
  --nav-dropdown-bg: #1a232c;
  --hero-grad-start: #31aae2;
  --hero-grad-end: #1a75b8;
  --text-main: #555555;
  --text-dark: #222222;
  --card-bg: #ffffff;
  --bg-gray: #f7f9fa;
  --border-color: #e5e9ec;
  --footer-bg: #1c2630;
  --footer-bottom: #141c24;
  --phone-green: #25d366;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text-main);
  background-color: #ffffff;
  line-height: 1.65;
  font-size: 14.5px;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: all 0.2s ease;
}

a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 16px;
}

/* TOP SITE BRAND HEADER */
.site-header {
  background-color: var(--header-bg);
  padding: 20px 0;
  border-bottom: 1px solid #edf1f4;
}

.header-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.brand-badge {
  display: inline-block;
  background: #edf7fd;
  color: var(--primary-dark);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 3px 8px;
  border-radius: 3px;
  margin-bottom: 4px;
}

.site-title {
  font-size: 28px;
  font-weight: 800;
  color: #2b394a;
  letter-spacing: -0.5px;
  display: inline-block;
}

.site-title:hover {
  text-decoration: none;
  color: var(--primary);
}

.site-tagline {
  font-size: 12.5px;
  color: #7b8d9e;
  font-weight: 500;
}

.header-quick-call {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.quick-call-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: #edf7fd;
  border: 1px solid #cce8f8;
  color: var(--primary-dark);
  padding: 8px 12px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 13.5px;
  text-decoration: none;
  transition: all 0.2s ease;
}

.quick-call-badge:hover {
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  border-color: var(--primary);
}

.quick-call-badge.green {
  background: #eafaf1;
  border-color: #b8ebd0;
  color: #228b45;
}

.quick-call-badge.green:hover {
  background: #25d366;
  color: #fff;
  border-color: #25d366;
}

/* MAIN NAVIGATION */
.main-navigation-wrap {
  background-color: var(--nav-bg);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 3px 8px rgba(0,0,0,0.12);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.nav-menu {
  display: flex;
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #dbe4eb;
  font-size: 14px;
  font-weight: 600;
  padding: 16px 18px;
  text-decoration: none;
  letter-spacing: 0.2px;
  transition: all 0.2s ease;
}

.nav-link:hover,
.nav-item.active > .nav-link {
  background-color: var(--primary);
  color: #ffffff;
  text-decoration: none;
}

.nav-link svg.caret {
  transition: transform 0.2s ease;
}

.nav-item:hover > .nav-link svg.caret {
  transform: rotate(180deg);
}

/* DROPDOWNS */
.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--nav-dropdown-bg);
  min-width: 220px;
  list-style: none;
  box-shadow: 0 8px 18px rgba(0,0,0,0.25);
  border-top: 3px solid var(--primary);
  z-index: 1010;
}

.nav-item:hover > .dropdown-menu {
  display: block;
  animation: fadeInMenu 0.18s ease-in-out;
}

@keyframes fadeInMenu {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.dropdown-item a {
  display: block;
  padding: 11px 18px;
  color: #c9d5df;
  font-size: 13.5px;
  font-weight: 500;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease;
}

.dropdown-item a:hover {
  background-color: var(--primary);
  color: #ffffff;
  text-decoration: none;
  padding-left: 22px;
}

/* MOBILE TOGGLE */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #ffffff;
  padding: 14px;
  font-size: 18px;
  cursor: pointer;
}

/* HERO BANNER */
.page-title-banner {
  background: linear-gradient(135deg, var(--hero-grad-start) 0%, var(--hero-grad-end) 100%);
  color: #ffffff;
  padding: 42px 0;
  box-shadow: inset 0 -3px 6px rgba(0,0,0,0.06);
}

.banner-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.banner-title-area h1 {
  font-size: 30px;
  font-weight: 800;
  margin-bottom: 6px;
  letter-spacing: -0.3px;
}

.banner-title-area p {
  font-size: 15px;
  color: #e5f4fd;
}

.breadcrumbs-wrap {
  font-size: 13.5px;
  color: #d1ecfc;
}

.breadcrumbs-wrap a {
  color: #ffffff;
  font-weight: 600;
  text-decoration: none;
}

.breadcrumbs-wrap a:hover {
  text-decoration: underline;
}

.breadcrumbs-wrap span.separator {
  margin: 0 8px;
  color: #a4daf9;
}

/* ADS POLICY NOTICE BOX */
.policy-banner {
  background-color: #fff9e6;
  border: 1px solid #ffe8a1;
  border-left: 4px solid #f59e0b;
  color: #855d14;
  padding: 10px 16px;
  font-size: 12.5px;
  line-height: 1.5;
  margin-bottom: 24px;
  border-radius: 4px;
}

/* MAIN CONTENT WRAPPER */
.site-content {
  padding: 44px 0 60px;
  background-color: #ffffff;
  min-height: 480px;
}

/* 6 SERVICE FEATURE BOXES (HOMEPAGE) */
.home-section-title-wrap {
  text-align: center;
  margin-bottom: 36px;
}

.home-section-title-wrap h2 {
  font-size: 28px;
  color: #223243;
  font-weight: 800;
  margin-bottom: 8px;
}

.home-section-title-wrap p {
  font-size: 15px;
  color: #728495;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 46px;
}

.service-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 5px;
  padding: 30px 22px;
  text-align: center;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 22px rgba(49, 170, 226, 0.12);
  border-color: #b7e3f8;
}

.service-icon-circle {
  width: 64px;
  height: 64px;
  background: #eef7fc;
  border: 2px solid #d3edf9;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--primary);
  transition: all 0.25s ease;
}

.service-card:hover .service-icon-circle {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.service-card h3 {
  font-size: 17.5px;
  font-weight: 700;
  color: #243547;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 13.8px;
  color: #617182;
  line-height: 1.6;
}

/* HOMEPAGE CONTACT & CALLOUT BOX */
.home-contact-wrap {
  background-color: var(--bg-gray);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 34px 24px;
  text-align: center;
  margin-top: 10px;
}

.home-contact-wrap h3 {
  font-size: 24px;
  color: #1f3042;
  font-weight: 700;
  margin-bottom: 8px;
}

.home-contact-wrap p.lead-text {
  color: #6b7d90;
  margin-bottom: 22px;
  font-size: 14.5px;
}

.phone-buttons-group {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}

.phone-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: var(--primary);
  color: #ffffff;
  font-size: 15.5px;
  font-weight: 700;
  padding: 13px 22px;
  border-radius: 4px;
  text-decoration: none;
  transition: all 0.2s ease;
  box-shadow: 0 4px 10px rgba(49, 170, 226, 0.25);
}

.phone-btn:hover {
  background-color: var(--primary-dark);
  color: #ffffff;
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(49, 170, 226, 0.35);
}

.phone-btn.mobile-highlight {
  background-color: #2fb459;
  box-shadow: 0 4px 10px rgba(47, 180, 89, 0.25);
}

.phone-btn.mobile-highlight:hover {
  background-color: #27984a;
  box-shadow: 0 6px 14px rgba(47, 180, 89, 0.35);
}

/* SUBPAGE 2-COLUMN LAYOUT */
.subpage-layout {
  display: grid;
  grid-template-columns: 2.3fr 1fr;
  gap: 36px;
}

.article-container {
  background: #ffffff;
}

.article-container p {
  margin-bottom: 18px;
  color: #4b5866;
  font-size: 15px;
  line-height: 1.75;
}

.article-container h2 {
  font-size: 19px;
  font-weight: 700;
  color: #203142;
  line-height: 1.45;
  margin: 24px 0 20px;
  padding: 14px 18px;
  background-color: #edf6fb;
  border-left: 4px solid var(--primary);
  border-radius: 2px;
}

.article-container ul {
  list-style: none;
  margin: 22px 0 24px;
  padding: 0;
}

.article-container ul li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
  font-weight: 700;
  color: #1f2e3d;
  font-size: 14px;
}

.article-container ul li::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  width: 8px;
  height: 8px;
  background-color: var(--primary);
  border-radius: 50%;
}

/* CALLOUT BLOCK */
.phone-callout-block {
  background: #fbfdff;
  border: 2px dashed #9cd5f3;
  border-radius: 6px;
  padding: 20px;
  text-align: center;
  margin: 24px 0;
}

.phone-callout-block .call-label {
  font-size: 13px;
  text-transform: uppercase;
  color: #64748b;
  font-weight: 700;
  margin-bottom: 6px;
}

.phone-callout-block .phone-link {
  font-size: 22px;
  font-weight: 800;
  color: #208cb8;
  display: block;
  margin: 4px 0;
}

.phone-callout-block .phone-link:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* SIDEBAR WIDGETS */
.sidebar-widget {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 20px;
  margin-bottom: 24px;
}

.widget-title {
  font-size: 15px;
  font-weight: 700;
  color: #1e2c3a;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding-bottom: 10px;
  margin-bottom: 14px;
  border-bottom: 2px solid var(--primary);
}

.sidebar-widget ul {
  list-style: none;
}

.sidebar-widget ul li {
  padding: 8px 0;
  border-bottom: 1px dotted #e3e8ed;
  font-size: 13.5px;
}

.sidebar-widget ul li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.sidebar-widget ul li a {
  color: #556779;
  text-decoration: none;
}

.sidebar-widget ul li a:hover {
  color: var(--primary);
  text-decoration: underline;
}

.sidebar-call-box {
  background: #edf7fd;
  border: 1px solid #cce8f8;
  border-radius: 4px;
  padding: 16px;
  text-align: center;
}

.sidebar-call-box h4 {
  font-size: 15px;
  color: #1f3347;
  margin-bottom: 8px;
}

.sidebar-call-box a {
  display: block;
  font-size: 16px;
  font-weight: 800;
  color: #208cb8;
  margin-top: 4px;
}

/* CONTACT PAGE STYLING */
.contact-container-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 30px;
}

.contact-card {
  background: #fdfefe;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 24px;
}

.contact-card h3 {
  font-size: 17px;
  color: #1e2c3a;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--primary);
}

.contact-item-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid #eef2f5;
  font-size: 14.5px;
}

.contact-item-row:last-child {
  border-bottom: none;
}

.contact-item-row strong {
  display: block;
  color: #1e2c3a;
  font-size: 14px;
}

.contact-item-row a {
  font-size: 16px;
  font-weight: 700;
  color: #247bb4;
}

.contact-form-box {
  background: #fdfefe;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 24px;
}

.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 600;
  font-size: 13.5px;
  color: #334155;
}

.form-control {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.form-control:focus {
  border-color: var(--primary);
}

.btn-submit {
  background-color: var(--primary);
  color: #ffffff;
  border: none;
  padding: 12px 24px;
  font-size: 14.5px;
  font-weight: 700;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s;
  width: 100%;
}

.btn-submit:hover {
  background-color: var(--primary-dark);
}

/* FOOTER */
.site-footer {
  background-color: var(--footer-bg);
  color: #a2b1c0;
  font-size: 13px;
  margin-top: auto;
}

.footer-disclaimer {
  background-color: #172029;
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  font-size: 12.5px;
  line-height: 1.7;
  color: #94a3b8;
}

.footer-bottom {
  background-color: var(--footer-bottom);
  padding: 20px 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-content a {
  color: #d2dee9;
  text-decoration: none;
}

.footer-content a:hover {
  color: var(--primary);
  text-decoration: underline;
}

/* STICKY CLICK TO CALL BAR FOR MOBILE ADS */
.mobile-call-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #ffffff;
  box-shadow: 0 -3px 12px rgba(0,0,0,0.15);
  padding: 10px 14px;
  z-index: 9999;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.mobile-call-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  color: #fff;
}

.mobile-call-btn.primary {
  background-color: var(--primary);
}

.mobile-call-btn.green {
  background-color: #25d366;
}

/* RESPONSIVE BREAKPOINTS */
@media (max-width: 991px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .subpage-layout {
    grid-template-columns: 1fr;
  }
  .contact-container-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  body {
    padding-bottom: 65px; /* for sticky call bar */
  }
  .mobile-call-bar {
    display: grid;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .menu-toggle {
    display: block;
  }
  .nav-menu {
    display: none;
    flex-direction: column;
    width: 100%;
    background-color: var(--nav-dropdown-bg);
  }
  .nav-menu.mobile-open {
    display: flex;
  }
  .nav-item {
    width: 100%;
  }
  .nav-link {
    padding: 13px 18px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .dropdown-menu {
    position: static;
    width: 100%;
    box-shadow: none;
    border-top: none;
    background-color: #121820;
  }
  .dropdown-item a {
    padding-left: 32px;
  }
  .banner-title-area h1 {
    font-size: 24px;
  }
  .header-flex {
    justify-content: center;
    text-align: center;
  }
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
  .phone-buttons-group {
    flex-direction: column;
  }
  .phone-btn {
    justify-content: center;
  }
}