:root {
  --navy: #1a2a6c;
  --navy-dark: #0f1a4a;
  --navy-light: #253580;
  --gold: #f5c518;
  --red: #e63030;
  --blue: #3a7bd5;
  --white: #ffffff;
  --gray-light: #f4f6fb;
  --gray-mid: #e8ecf4;
  --gray-text: #6b7a99;
  --text-dark: #1a1f36;
  --text-body: #3d4463;
  --shadow-sm: 0 2px 12px rgba(26,42,108,0.08);
  --shadow-md: 0 8px 32px rgba(26,42,108,0.13);
  --shadow-lg: 0 16px 48px rgba(26,42,108,0.18);
  --radius: 10px;
  --radius-lg: 18px;
  --transition: 0.28s cubic-bezier(0.4,0,0.2,1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Source Sans 3', sans-serif; color: var(--text-body); background: var(--white); font-size: 16px; line-height: 1.7; overflow-x: hidden; }

/* TOP BAR */
.topbar { background: var(--navy-dark); color: rgba(255,255,255,0.75); font-size: 13px; padding: 7px 0; font-family: 'Montserrat', sans-serif; }
.topbar-inner { max-width: 1280px; margin: 0 auto; padding: 0 32px; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.topbar-left { display: flex; align-items: center; gap: 20px; }
.topbar-left span { display: flex; align-items: center; gap: 6px; }
.topbar-left i { color: var(--gold); font-size: 11px; }
.topbar-social { display: flex; align-items: center; gap: 12px; }
.topbar-social a { color: rgba(255,255,255,0.65); font-size: 13px; transition: color var(--transition); text-decoration: none; }
.topbar-social a:hover { color: var(--gold); }

/* HEADER */
header { background: rgba(255,255,255,0.97); backdrop-filter: blur(12px); position: sticky; top: 0; z-index: 1000; border-bottom: 1px solid var(--gray-mid); transition: box-shadow var(--transition); }
header.scrolled { box-shadow: var(--shadow-md); }
.header-inner { max-width: 1280px; margin: 0 auto; padding: 0 32px; display: flex; align-items: center; height: 72px; gap: 24px; }
.logo-wrap { display: flex; align-items: center; gap: 14px; text-decoration: none; flex-shrink: 0; }
.logo-wrap img { height: 52px; width: 52px; object-fit: contain; }
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-text .brand { font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 17px; color: var(--navy); letter-spacing: -0.3px; }
.logo-text .sub { font-family: 'Montserrat', sans-serif; font-weight: 500; font-size: 10.5px; color: var(--gray-text); letter-spacing: 0.5px; text-transform: uppercase; }

/* NAV */
nav { flex: 1; display: flex; justify-content: flex-end; }
.nav-list { display: flex; align-items: center; list-style: none; gap: 2px; }
.nav-item { position: relative; }
.nav-link { display: flex; align-items: center; gap: 5px; font-family: 'Montserrat', sans-serif; font-weight: 600; font-size: 12.5px; color: var(--text-dark); text-decoration: none; padding: 8px 11px; border-radius: 7px; transition: background var(--transition), color var(--transition); letter-spacing: 0.2px; white-space: nowrap; }
.nav-link i { font-size: 9px; color: var(--gray-text); transition: transform var(--transition); }
.nav-link.active-menu { color: var(--navy); background: rgba(26,42,108,0.06); }
.nav-item:hover > .nav-link { background: var(--gray-light); color: var(--navy); }
.nav-item:hover > .nav-link i { transform: rotate(180deg); color: var(--navy); }

.dropdown { position: absolute; top: calc(100% + 8px); left: 0; background: var(--white); border: 1px solid var(--gray-mid); border-radius: var(--radius); box-shadow: var(--shadow-lg); min-width: 210px; padding: 8px; opacity: 0; visibility: hidden; transform: translateY(-8px); transition: all var(--transition); z-index: 999; }
.nav-item:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown a { display: flex; align-items: center; gap: 10px; padding: 9px 12px; font-family: 'Montserrat', sans-serif; font-size: 12.5px; font-weight: 500; color: var(--text-body); text-decoration: none; border-radius: 6px; transition: background var(--transition), color var(--transition); }
.dropdown a:hover { background: var(--gray-light); color: var(--navy); }
.dropdown a::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--navy); opacity: 0.25; flex-shrink: 0; }
.dropdown a:hover::before { opacity: 1; background: var(--gold); }

.nav-cta { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 12.5px; background: var(--navy); color: var(--white) !important; padding: 9px 18px !important; border-radius: 7px; text-decoration: none; letter-spacing: 0.3px; transition: background var(--transition), transform var(--transition); margin-left: 8px; }
.nav-cta:hover { background: var(--navy-dark) !important; transform: translateY(-1px); }

/* SECTION COMMONS */
section { padding: 88px 0; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-tag { display: inline-flex; align-items: center; gap: 8px; font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 11px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--navy); margin-bottom: 14px; }
.section-tag::before, .section-tag::after { content: ''; height: 1px; width: 32px; background: var(--gold); }
.section-title { font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: clamp(26px, 3vw, 38px); color: var(--navy); line-height: 1.2; margin-bottom: 14px; }
.section-desc { font-size: 17px; color: var(--gray-text); max-width: 560px; margin: 0 auto; line-height: 1.65; }

/* CTA BAND */
.cta-band { background: var(--navy); padding: 80px 0; position: relative; overflow: hidden; }
.cta-band::before { content: ''; position: absolute; top: -60px; right: -60px; width: 320px; height: 320px; border-radius: 50%; background: rgba(245,197,24,0.06); }
.cta-inner { max-width: 1280px; margin: 0 auto; padding: 0 32px; display: flex; align-items: center; justify-content: space-between; gap: 40px; position: relative; z-index: 2; }
.cta-text h2 { font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: clamp(24px, 2.8vw, 36px); color: white; line-height: 1.2; margin-bottom: 14px; }
.cta-text h2 span { color: var(--gold); }
.cta-text p { font-size: 16px; color: rgba(255,255,255,0.72); max-width: 500px; line-height: 1.65; }
.cta-btns { display: flex; gap: 14px; flex-shrink: 0; flex-wrap: wrap; }
.btn-gold { display: inline-flex; align-items: center; gap: 9px; background: var(--gold); color: var(--navy-dark); font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 14px; padding: 14px 28px; border-radius: 7px; text-decoration: none; transition: all var(--transition); white-space: nowrap; }
.btn-gold:hover { background: #e0b010; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245,197,24,0.3); }
.btn-white-outline { display: inline-flex; align-items: center; gap: 9px; background: transparent; border: 2px solid rgba(255,255,255,0.35); color: white; font-family: 'Montserrat', sans-serif; font-weight: 600; font-size: 14px; padding: 12px 24px; border-radius: 7px; text-decoration: none; transition: all var(--transition); white-space: nowrap; }
.btn-white-outline:hover { border-color: white; background: rgba(255,255,255,0.08); }

/* FOOTER */
footer { background: var(--navy-dark); padding: 64px 0 0; color: rgba(255,255,255,0.7); }
.footer-grid { max-width: 1280px; margin: 0 auto; padding: 0 32px 48px; display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr; gap: 48px; border-bottom: 1px solid rgba(255,255,255,0.07); }
.footer-brand .logo-text .brand { color: white; font-size: 16px; }
.footer-brand .logo-text .sub { color: rgba(255,255,255,0.45); }
.footer-brand p { font-size: 14px; line-height: 1.7; margin-top: 16px; margin-bottom: 20px; color: rgba(255,255,255,0.55); max-width: 280px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a { width: 36px; height: 36px; border-radius: 8px; background: rgba(255,255,255,0.07); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.6); font-size: 14px; text-decoration: none; transition: all var(--transition); }
.footer-social a:hover { background: var(--gold); color: var(--navy-dark); }
.footer-col h4 { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 12px; letter-spacing: 1.5px; text-transform: uppercase; color: white; margin-bottom: 20px; padding-bottom: 10px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { color: rgba(255,255,255,0.55); font-size: 14px; text-decoration: none; transition: color var(--transition); display: flex; align-items: center; gap: 7px; }
.footer-col ul li a::before { content: ''; width: 4px; height: 4px; border-radius: 50%; background: rgba(255,255,255,0.2); flex-shrink: 0; transition: background var(--transition); }
.footer-col ul li a:hover { color: var(--gold); }
.footer-col ul li a:hover::before { background: var(--gold); }
.footer-bottom { max-width: 1280px; margin: 0 auto; padding: 20px 32px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,0.35); }

/* HAMBURGER BUTTON */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: 8px;
  transition: background var(--transition);
  margin-left: auto;
  flex-shrink: 0;
}
.hamburger:hover { background: var(--gray-light); }
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease, width 0.3s ease;
  transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; width: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* MOBILE NAV OVERLAY */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 9999;
  pointer-events: none;
}
.mobile-nav.open { pointer-events: all; display: block; }
.mobile-nav-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 26, 74, 0.55);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.mobile-nav.open .mobile-nav-backdrop { opacity: 1; }
.mobile-nav-panel {
  position: absolute;
  top: 0; right: 0;
  width: 300px;
  height: 100%;
  background: var(--white);
  box-shadow: -8px 0 40px rgba(26,42,108,0.18);
  transform: translateX(100%);
  transition: transform 0.32s cubic-bezier(0.4,0,0.2,1);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.mobile-nav.open .mobile-nav-panel { transform: translateX(0); }
.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--gray-mid);
  flex-shrink: 0;
}
.mobile-nav-header .logo-wrap { text-decoration: none; }
.mobile-nav-close {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: var(--gray-light);
  border: none; border-radius: 8px;
  cursor: pointer;
  color: var(--navy);
  font-size: 14px;
  transition: background var(--transition);
}
.mobile-nav-close:hover { background: var(--gray-mid); }
.mobile-nav-body { flex: 1; padding: 12px 0; }
.mob-section { border-bottom: 1px solid var(--gray-mid); }
.mob-section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 14px 20px;
  background: none;
  border: none;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  color: var(--text-dark);
  cursor: pointer;
  text-align: left;
  transition: color var(--transition);
}
.mob-section-title i {
  font-size: 10px;
  color: var(--gray-text);
  transition: transform 0.25s ease;
}
.mob-section-title.open { color: var(--navy); }
.mob-section-title.open i { transform: rotate(180deg); color: var(--navy); }
.mob-section-links {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.28s ease;
  background: var(--gray-light);
}
.mob-section-links.open { max-height: 400px; }
.mob-section-links a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 20px 11px 28px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 500;
  font-size: 13px;
  color: var(--text-body);
  text-decoration: none;
  transition: color var(--transition), background var(--transition);
  border-left: 3px solid transparent;
}
.mob-section-links a::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--navy);
  opacity: 0.25;
  flex-shrink: 0;
}
.mob-section-links a:hover {
  color: var(--navy);
  background: rgba(26,42,108,0.04);
  border-left-color: var(--gold);
}
.mob-section-links a:hover::before { opacity: 1; background: var(--gold); }
.mob-direct-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  color: var(--text-dark);
  text-decoration: none;
  border-bottom: 1px solid var(--gray-mid);
  transition: color var(--transition), background var(--transition);
}
.mob-direct-link:hover { color: var(--navy); background: var(--gray-light); }
.mobile-nav-footer {
  padding: 20px;
  flex-shrink: 0;
  border-top: 1px solid var(--gray-mid);
}
.mob-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  background: var(--navy);
  color: white;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 14px;
  padding: 14px;
  border-radius: 8px;
  text-decoration: none;
  transition: background var(--transition);
}
.mob-cta:hover { background: var(--navy-dark); }
.mob-contact-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 14px;
}
.mob-contact-info span {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--gray-text);
  font-family: 'Montserrat', sans-serif;
}
.mob-contact-info i { color: var(--navy); font-size: 11px; width: 12px; }

/* ANIMATIONS */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.65s ease, transform 0.65s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .cta-inner { flex-direction: column; text-align: center; }
  .cta-text p { margin: 0 auto; }
}
@media (max-width: 768px) {
  .topbar, .nav-list, .nav-cta { display: none; }
  .hamburger { display: flex; }
  section { padding: 64px 0; }
  .header-inner { padding: 0 16px; }
  .container { padding: 0 16px; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* Küçük telefon breakpoint */
@media (max-width: 480px) {
  .header-inner { padding: 0 12px; }
  .container { padding: 0 12px; }
  .logo-text .brand { font-size: 16px; }
  .logo-text .sub { font-size: 9px; }
  .nav-cta { padding: 8px 14px; font-size: 12px; }
  section { padding: 48px 0; }
  .section-title { font-size: 22px; }
  .page-hero { padding: 60px 12px 40px; }
  .page-hero h1 { font-size: 24px; }
  .page-hero p { font-size: 14px; }
  .btn, .btn-primary, .btn-outline { padding: 11px 20px; font-size: 13px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .hamburger { width: 36px; height: 36px; }
  .mobile-nav-panel { width: 100% !important; }
}