/* ==========================================================================
   TIMFA MAKINA - Critical Stylesheet
   Modeled strictly on CETA (ceta.com.tr) Visual Appearance
   ========================================================================== */

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

:root {
  /* CETA Color Palette */
  --ceta-blue: #34b2e9;       /* CETA Cyan Accent */
  --ceta-navy: #002655;       /* CETA Dark Blue Banner/Footer */
  --ceta-dark: #1b2838;       /* Primary Dark */
  --ceta-text: #4d4d4d;       /* Body Text */
  --ceta-text-light: #777777; /* Subtle text */
  --ceta-white: #ffffff;
  --ceta-grey-bg: #f4f5f7;    /* Alternating post background */
  --ceta-border: #dcdcdc;

  /* Typography */
  --font-family: Arial, Helvetica, "Segoe UI", sans-serif;
  
  /* Layout */
  --container-width: 1040px;
}

html {
  font-size: 14px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: 13px;
  line-height: 1.65;
  color: var(--ceta-text);
  background: #ffffff;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  border-style: none;
  display: block;
}

a {
  color: var(--ceta-text);
  text-decoration: none;
  transition: color 0.15s ease, background 0.15s ease;
}

a:hover {
  color: var(--ceta-blue);
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 15px;
  position: relative;
}

.container::after {
  content: "";
  display: block;
  clear: both;
}

/* --------------------------------------------------------------------------
   CETA-Style Header
   -------------------------------------------------------------------------- */
#header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background: #ffffff;
  z-index: 1000;
  border-bottom: 5px solid var(--ceta-blue);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding: 15px 0 0;
  position: relative;
}

/* Language Nav (Top Right like CETA) */
.lang-nav {
  position: absolute;
  top: 6px;
  right: 15px;
  z-index: 1050;
}

.lang-nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
}

.lang-nav li {
  font-size: 11px;
  font-weight: bold;
}

.lang-nav button.lang-btn,
.lang-nav li a {
  background: none;
  border: none;
  font-family: inherit;
  font-size: 11px;
  font-weight: bold;
  color: #888888;
  padding: 2px 6px;
  cursor: pointer;
  text-transform: uppercase;
  display: inline-block;
}

.lang-nav button.lang-btn:hover,
.lang-nav button.lang-btn.active,
.lang-nav li.active button.lang-btn,
.lang-nav li.active a,
.lang-nav li a:hover {
  color: var(--ceta-blue);
  text-decoration: underline;
}

.lang-sep {
  font-size: 10px;
  color: #cccccc;
  user-select: none;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 15px;
  text-decoration: none;
}

.logo img {
  height: 58px;
  width: auto;
  object-fit: contain;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-brand {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 24px;
  font-weight: bold;
  letter-spacing: 0.02em;
  color: var(--ceta-navy);
  line-height: 1;
}

.logo-brand span {
  color: #d32f2f; /* Red accent from TIMFA logo */
}

.logo-sub {
  font-size: 10px;
  font-weight: bold;
  letter-spacing: 0.12em;
  color: #777777;
  text-transform: uppercase;
  margin-top: 4px;
}

/* Main Navigation */
#main-nav {
  list-style: none;
  display: flex;
  margin: 0;
  padding: 0;
}

#main-nav > li {
  position: relative;
  font-size: 13px;
  font-weight: bold;
  text-transform: uppercase;
}

#main-nav > li > a {
  display: block;
  padding: 8px 12px 20px;
  line-height: 18px;
  color: #4d4d4d;
  border-bottom: 5px solid transparent;
  margin-bottom: -5px;
  white-space: nowrap;
}

#main-nav > li:hover > a,
#main-nav > li.active > a {
  background: var(--ceta-blue);
  color: #ffffff;
  border-bottom: 5px solid var(--ceta-navy);
  text-decoration: none;
}

/* Dropdown */
#main-nav > li:hover ul {
  display: block;
}

#main-nav > li ul {
  position: absolute;
  top: 100%;
  left: 0;
  margin: 5px 0 0;
  padding: 8px 0;
  list-style: none;
  background: rgba(52, 178, 233, 0.98);
  min-width: 200px;
  display: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 100;
}

#main-nav > li ul li {
  text-transform: none;
  font-weight: bold;
  font-size: 13px;
}

#main-nav > li ul li a {
  color: #ffffff;
  display: block;
  padding: 8px 18px;
}

#main-nav > li ul li a:hover, #main-nav > li ul li.active a {
  background: var(--ceta-navy);
  color: #ffffff;
  text-decoration: none;
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  padding: 8px 12px;
  background: var(--ceta-blue);
  color: #ffffff;
  border: none;
  font-weight: bold;
  font-size: 12px;
  text-transform: uppercase;
  cursor: pointer;
  margin-bottom: 12px;
}

@media (max-width: 900px) {
  .mobile-nav-toggle {
    display: block;
  }

  .header-inner {
    flex-wrap: wrap;
    align-items: center;
  }

  #main-nav {
    display: none;
    flex-direction: column;
    width: 100%;
    background: #ffffff;
    border-top: 1px solid var(--ceta-border);
  }

  #main-nav.open {
    display: flex;
  }

  #main-nav > li > a {
    padding: 10px 15px;
    margin: 0;
    border-bottom: 1px solid #eeeeee;
  }

  #main-nav > li:hover > a, #main-nav > li.active > a {
    border-bottom: 1px solid var(--ceta-navy);
  }

  #main-nav > li ul {
    position: static;
    display: block;
    background: #f4f5f7;
    box-shadow: none;
  }

  #main-nav > li ul li a {
    color: var(--ceta-text);
    padding-left: 30px;
  }

  #main-nav > li ul li a:hover {
    background: var(--ceta-blue);
    color: #ffffff;
  }
}