/* ==========================================================================
   ÇEVRE DESTEK — Sis Çevre Tasarım Mimarisi (Kurumsal Çevre Danışmanlık)
   Renk Paleti: #104cba (Royal Blue), #091d3e (Navy), #f4f7fc (Light Ice), #4dc247 (WA Green)
   ========================================================================== */

:root {
  --primary: #104cba;
  --primary-dark: #0b3a94;
  --primary-light: #e8f0fe;
  --secondary: #091d3e;
  --secondary-dark: #051329;
  --secondary-light: #162b4d;
  --accent-gold: #ffcd1e;
  --wa-green: #4dc247;
  --bg-light: #f4f7fc;
  --bg-white: #ffffff;
  --text-main: #2b3342;
  --text-muted: #5e6b7d;
  --text-light: #f8fafc;
  --border-color: #e5ebf4;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --shadow-sm: 0 2px 8px rgba(9, 29, 62, 0.05);
  --shadow-md: 0 10px 30px rgba(9, 29, 62, 0.08);
  --shadow-lg: 0 20px 40px rgba(9, 29, 62, 0.12);
  --transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --container-max: 1240px;
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-main);
  background-color: #ffffff;
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
}

body {
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-main);
  background-color: #ffffff;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

button, input, select, textarea {
  font: inherit;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* ==========================================================================
   İkonlar & Genel Yardımcılar
   ========================================================================== */
.icon {
  width: 20px;
  height: 20px;
  display: inline-block;
  vertical-align: middle;
  fill: currentColor;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.text-primary { color: var(--primary) !important; }
.text-light { color: #ffffff !important; }
.text-muted { color: var(--text-muted) !important; }
.bg-light { background-color: var(--bg-light) !important; }
.bg-dark { background-color: var(--secondary) !important; }
.text-center { text-align: center !important; }
.default-padding { padding: 80px 0; }
.pt-0 { padding-top: 0 !important; }
.pb-0 { padding-bottom: 0 !important; }

/* Progress Bar */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--primary);
  z-index: 99999;
  width: 0%;
  transition: width 0.1s;
}

/* ==========================================================================
   Floating Action Buttons (Signature Sis Çevre: .api)
   ========================================================================== */
.api {
  position: fixed;
  bottom: 30px;
  left: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.api-btn {
  position: relative;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(0,0,0,0.25);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s;
}

.api-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 25px rgba(0,0,0,0.35);
}

.api-btn--phone {
  background: var(--primary);
}

.api-btn--wa {
  background: var(--wa-green);
}

.api-btn .icon {
  width: 26px;
  height: 26px;
}

.api-tooltip {
  visibility: hidden;
  opacity: 0;
  position: absolute;
  left: 64px;
  white-space: nowrap;
  background: var(--secondary);
  color: #fff;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  transition: opacity 0.3s, visibility 0.3s;
  box-shadow: var(--shadow-sm);
  pointer-events: none;
}

.api-btn:hover .api-tooltip {
  visibility: visible;
  opacity: 1;
}

/* ==========================================================================
   Header & Navbar (SİS ÇEVRE Tarzı)
   ========================================================================== */
header {
  position: relative;
  z-index: 1000;
}

.navbar {
  position: sticky;
  top: 0;
  width: 100%;
  background: #ffffff;
  box-shadow: 0 2px 15px rgba(9, 29, 62, 0.05);
  transition: var(--transition);
  z-index: 1000;
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  max-width: 1380px;
  margin: 0 auto;
  height: 90px;
}

/* Logo */
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.logo-badge {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary) 0%, #2563eb 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(16, 76, 186, 0.25);
}

.logo-badge .icon {
  width: 26px;
  height: 26px;
}

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

.logo-text strong {
  font-size: 22px;
  font-weight: 800;
  color: var(--secondary);
  letter-spacing: -0.5px;
  line-height: 1.1;
}

.logo-text span {
  font-size: 11px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* Nav Menu */
.navbar-nav {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 28px;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--secondary);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link:hover, .nav-item.active .nav-link {
  color: var(--primary);
}

/* Dropdown */
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  width: 290px;
  background: #ffffff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  padding: 10px 0;
  list-style: none;
  visibility: hidden;
  opacity: 0;
  transform: translateY(12px);
  transition: all 0.25s ease;
  z-index: 100;
}

.nav-item.has-dropdown:hover .nav-dropdown {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
}

.nav-dropdown li a {
  display: block;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--secondary);
  border-bottom: 1px solid #f1f4f8;
}

.nav-dropdown li:last-child a {
  border-bottom: none;
}

.nav-dropdown li a:hover {
  background: var(--bg-light);
  color: var(--primary);
  padding-left: 24px;
}

/* Navbar Right Controls */
.navbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.flag-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #f1f4f8;
  font-size: 12px;
  font-weight: 700;
  color: var(--secondary);
}

.btn-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--secondary);
  transition: var(--transition);
}

.btn-icon:hover {
  background: var(--bg-light);
  color: var(--primary);
  border-color: var(--primary);
}

/* Hamburger Bars */
.side-menu-trigger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  background: transparent;
  border: none;
  padding: 6px;
}

.side-menu-trigger span {
  display: block;
  height: 2.5px;
  background: var(--secondary);
  border-radius: 2px;
  transition: var(--transition);
}

.side-menu-trigger .bar-1 { width: 24px; }
.side-menu-trigger .bar-2 { width: 18px; margin-left: auto; }
.side-menu-trigger .bar-3 { width: 24px; }

.side-menu-trigger:hover span {
  background: var(--primary);
}

/* Header Call Box (Signature Sis Çevre Feature) */
.header-call-box {
  background-color: var(--primary);
  color: #ffffff;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: 0 4px 15px rgba(16, 76, 186, 0.25);
  transition: var(--transition);
}

.header-call-box:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
}

.header-call-box .call-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}

.header-call-box .call-info {
  display: flex;
  flex-direction: column;
}

.header-call-box .call-info span {
  font-size: 11px;
  opacity: 0.9;
  letter-spacing: 0.3px;
}

.header-call-box .call-info strong {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.3px;
  white-space: nowrap;
}

/* ==========================================================================
   Offcanvas Side Drawer (.side-drawer)
   ========================================================================== */
.side-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(9, 29, 62, 0.6);
  backdrop-filter: blur(4px);
  z-index: 10001;
  visibility: hidden;
  opacity: 0;
  transition: all 0.3s ease;
}

.side-drawer-overlay.active {
  visibility: visible;
  opacity: 1;
}

.side-drawer {
  position: fixed;
  top: 0;
  right: -420px;
  width: 380px;
  max-width: 90vw;
  height: 100vh;
  background: var(--secondary);
  color: #ffffff;
  z-index: 10002;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.3);
  padding: 40px 30px;
  overflow-y: auto;
  transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.side-drawer.active {
  right: 0;
}

.side-drawer-close {
  align-self: flex-end;
  background: transparent;
  border: none;
  color: #ffffff;
  font-size: 24px;
  cursor: pointer;
  padding: 5px;
  line-height: 1;
}

.side-drawer-content {
  margin-top: 25px;
}

.side-drawer-content .logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.side-drawer-content p {
  color: #cbd5e1;
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 30px;
}

.side-drawer-address {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 30px;
  font-size: 14px;
}

.side-drawer-address li {
  display: flex;
  gap: 12px;
  color: #e2e8f0;
}

.side-drawer-address strong {
  display: block;
  color: #ffffff;
  margin-top: 2px;
}

/* ==========================================================================
   Hero Photographic Slider (.banner-area)
   ========================================================================== */
.banner-area {
  position: relative;
  width: 100%;
  height: 600px;
  overflow: hidden;
  background: var(--secondary);
}

.banner-slides {
  position: relative;
  width: 100%;
  height: 100%;
}

.banner-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s cubic-bezier(0.4, 0, 0.2, 1), transform 6s cubic-bezier(0.25, 1, 0.5, 1);
  transform: scale(1.04);
  display: flex;
  align-items: center;
}

.banner-slide.active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(9, 29, 62, 0.90) 0%, rgba(9, 29, 62, 0.75) 50%, rgba(9, 29, 62, 0.45) 100%);
}

.banner-content {
  position: relative;
  z-index: 10;
  max-width: 760px;
  color: #ffffff;
  padding: 0 20px;
}

.banner-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  color: var(--accent-gold);
}

.banner-title {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 18px;
  letter-spacing: -0.5px;
}

.banner-desc {
  font-size: 18px;
  line-height: 1.6;
  color: #e2e8f0;
  margin-bottom: 32px;
  max-width: 650px;
}

.banner-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.3px;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn--primary {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(16, 76, 186, 0.35);
}

.btn--primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(16, 76, 186, 0.45);
}

.btn--outline {
  background: transparent;
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn--outline:hover {
  background: #ffffff;
  color: var(--secondary);
  border-color: #ffffff;
  transform: translateY(-2px);
}

/* Slider Controls */
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(4px);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 20;
  transition: var(--transition);
}

.slider-arrow:hover {
  background: var(--primary);
  border-color: var(--primary);
}

.slider-arrow--prev { left: 24px; }
.slider-arrow--next { right: 24px; }

.slider-dots {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 20;
}

.slider-dot {
  width: 40px;
  height: 4px;
  background: rgba(255, 255, 255, 0.35);
  border-radius: 2px;
  cursor: pointer;
  transition: var(--transition);
}

.slider-dot.active {
  background: var(--accent-gold);
  width: 60px;
}

/* ==========================================================================
   About Section (.about-area) — Sis Çevre Mimarisi
   ========================================================================== */
.about-area {
  position: relative;
  background: #ffffff;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 60px;
  align-items: center;
}

.about-thumb {
  position: relative;
}

.about-img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  object-fit: cover;
  height: 480px;
}

.about-experience-badge {
  position: absolute;
  bottom: -25px;
  right: -25px;
  background: var(--secondary);
  color: #ffffff;
  padding: 24px 28px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border-left: 6px solid var(--primary);
  display: flex;
  flex-direction: column;
}

.about-experience-badge strong {
  font-size: 38px;
  font-weight: 800;
  color: var(--accent-gold);
  line-height: 1;
}

.about-experience-badge span {
  font-size: 14px;
  font-weight: 600;
  color: #e2e8f0;
  margin-top: 4px;
}

.about-content {
  padding-left: 10px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 12px;
}

.section-title {
  font-size: 36px;
  font-weight: 800;
  color: var(--secondary);
  line-height: 1.25;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.about-text {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 28px;
}

.about-checklist {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 20px;
  list-style: none;
  margin-bottom: 35px;
}

.about-checklist li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--secondary);
}

.about-checklist .check-icon {
  width: 22px;
  height: 22px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ==========================================================================
   Services Section (.services-two) — EXACT SIS ÇEVRE CARD HOVER STYLE
   ========================================================================== */
.services-two {
  position: relative;
  background-color: var(--bg-light);
  padding: 90px 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 50px;
}

.services-two__single {
  position: relative;
  background: #ffffff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.services-two__single:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

/* Card Image */
.services-two__img {
  position: relative;
  height: 260px;
  overflow: hidden;
  background-color: #e2e8f0;
}

.services-two__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.services-two__single:hover .services-two__img img {
  transform: scale(1.08);
}

/* Bottom Bar */
.services-two__content {
  background-color: var(--primary);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  color: #ffffff;
  transition: background-color 0.3s;
}

.services-two__more-details {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* Title Box (Default state at bottom right) */
.services-two__title-box {
  position: absolute;
  bottom: 48px;
  right: 0;
  background-color: #ffffff;
  padding: 12px 24px;
  border-top-left-radius: var(--radius-md);
  box-shadow: 0px 5px 20px rgba(9, 29, 62, 0.08);
  transition: opacity 0.3s, visibility 0.3s;
  z-index: 2;
}

.services-two__single:hover .services-two__title-box {
  opacity: 0;
  visibility: hidden;
}

.services-two__title {
  font-size: 19px;
  font-weight: 700;
  color: var(--secondary);
  margin: 0;
}

/* Hover Content (Slides up on hover) */
.services-two__hover-content {
  position: absolute;
  inset: 0;
  background-color: #ffffff;
  padding: 35px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  z-index: 5;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s;
}

.services-two__single:hover .services-two__hover-content {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.services-two__hover-sub {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.services-two__hover-title {
  font-size: 21px;
  font-weight: 800;
  color: var(--secondary);
  line-height: 1.3;
  margin-bottom: 12px;
}

.services-two__hover-text {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.services-two__hover-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 700;
  font-size: 15px;
}

.services-two__hover-link:hover {
  color: var(--secondary);
  gap: 12px;
}

/* ==========================================================================
   Key Statistics (.choose-us-area) — Sis Çevre Tarzı
   ========================================================================== */
.choose-us-area {
  background: #ffffff;
  padding: 70px 0;
  border-bottom: 1px solid var(--border-color);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.stat-item {
  text-align: center;
  padding: 20px;
  border-radius: var(--radius-md);
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
  background: #ffffff;
}

.stat-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-icon .icon {
  width: 26px;
  height: 26px;
}

.stat-number {
  font-size: 38px;
  font-weight: 800;
  color: var(--secondary);
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.stat-label {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-muted);
}

/* ==========================================================================
   Sektörel Rehber & Mevzuat Takvimi
   ========================================================================== */
.sector-section {
  padding: 90px 0;
  background: #ffffff;
}

.sector-tabs-nav {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin: 35px 0;
  flex-wrap: wrap;
}

.sector-tab-btn {
  padding: 12px 24px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background: #ffffff;
  color: var(--secondary);
  font-weight: 700;
  font-size: 14.5px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.sector-tab-btn:hover, .sector-tab-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 4px 15px rgba(16, 76, 186, 0.25);
}

.sector-tab-pane {
  display: none;
}

.sector-tab-pane.active {
  display: block;
}

.sector-card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.sector-obligation-card {
  background: var(--bg-light);
  border-radius: var(--radius-md);
  padding: 24px;
  border-left: 4px solid var(--primary);
}

.sector-obligation-card strong {
  display: block;
  font-size: 16px;
  color: var(--secondary);
  margin-bottom: 6px;
}

.sector-obligation-card p {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Yıllık Takvim Kartları */
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.calendar-card {
  background: var(--bg-light);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  border-top: 4px solid var(--primary);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.calendar-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  background: #ffffff;
}

.calendar-period {
  font-size: 13px;
  font-weight: 800;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}

.calendar-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 12px;
}

.calendar-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   Quick Contact / Offer Form (.quick-contact-area) — Sis Çevre Stili
   ========================================================================== */
.quick-contact-area {
  position: relative;
  background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary) 50%, var(--primary-dark) 100%);
  color: #ffffff;
  padding: 90px 0;
  overflow: hidden;
}

.quick-contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: center;
}

.quick-contact-left img {
  border-radius: var(--radius-lg);
  max-height: 480px;
  object-fit: cover;
  margin: 0 auto;
}

.quick-contact-form-card {
  background: #ffffff;
  color: var(--text-main);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.form-title {
  font-size: 26px;
  font-weight: 800;
  color: var(--secondary);
  margin-bottom: 6px;
}

.form-desc {
  font-size: 14.5px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-light);
  font-size: 15px;
  color: var(--secondary);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(16, 76, 186, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

.btn-submit {
  width: 100%;
  background: var(--primary);
  color: #ffffff;
  font-weight: 700;
  padding: 14px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

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

/* ==========================================================================
   Coffee Invitation Banner (.meeting-style-one-area) — Sis Çevre İmzası
   ========================================================================== */
.meeting-style-one-area {
  background: var(--secondary);
  color: #ffffff;
  padding: 70px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.meeting-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.meeting-text h2 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
  color: #ffffff;
}

.meeting-text p {
  font-size: 16px;
  color: #cbd5e1;
  max-width: 600px;
}

.meeting-btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: var(--primary);
  color: #ffffff;
  padding: 16px 32px;
  border-radius: var(--radius-full);
  font-size: 17px;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(16, 76, 186, 0.4);
  transition: var(--transition);
}

.meeting-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

/* ==========================================================================
   Footer (.bg-dark .text-light) — Sis Çevre Stili
   ========================================================================== */
footer {
  background: var(--secondary-dark);
  color: #94a3b8;
  font-size: 14.5px;
}

.footer-top {
  padding: 80px 0 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 1fr 1fr;
  gap: 50px;
}

.footer-widget-title {
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 10px;
}

.footer-widget-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 35px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}

.footer-about p {
  line-height: 1.7;
  margin-bottom: 24px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #94a3b8;
  transition: var(--transition);
}

.footer-links a:hover {
  color: #ffffff;
  padding-left: 6px;
}

.footer-contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-contact-list li {
  display: flex;
  gap: 12px;
  line-height: 1.5;
}

.footer-contact-list .icon {
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-newsletter p {
  margin-bottom: 16px;
  line-height: 1.6;
}

.newsletter-form {
  display: flex;
  gap: 8px;
}

.newsletter-input {
  flex: 1;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
}

.newsletter-btn {
  padding: 12px 20px;
  background: var(--primary);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 700;
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  font-size: 13.5px;
}

.footer-bottom-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ==========================================================================
   Subpage Layouts (Hizmet Detay Sayfaları — Sis Çevre Formatı)
   ========================================================================== */
.breadcrumb-area {
  position: relative;
  background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary) 100%);
  color: #ffffff;
  padding: 70px 0 60px;
  text-align: center;
  border-bottom: 4px solid var(--primary);
}

.breadcrumb-area h1 {
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.breadcrumb-nav {
  display: flex;
  justify-content: center;
  gap: 8px;
  font-size: 14.5px;
  font-weight: 600;
  color: #cbd5e1;
}

.breadcrumb-nav a:hover {
  color: var(--accent-gold);
}

.subpage-container {
  padding: 80px 0;
}

.subpage-grid {
  display: grid;
  grid-template-columns: 2.1fr 1fr;
  gap: 50px;
}

/* Main Content Area */
.subpage-content .feature-img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: 35px;
  box-shadow: var(--shadow-md);
}

.law-basis-banner {
  background: var(--bg-light);
  border-left: 4px solid var(--primary);
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  margin-bottom: 30px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--secondary);
}

.subpage-content h2 {
  font-size: 26px;
  font-weight: 800;
  color: var(--secondary);
  margin: 35px 0 16px;
}

.subpage-content p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 20px;
  text-align: justify;
}

/* Audience Grid */
.audience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 25px 0;
}

.audience-card {
  background: var(--bg-light);
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  color: var(--secondary);
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--border-color);
}

/* Scope Steps */
.scope-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 25px 0;
}

.scope-item {
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 18px 22px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.scope-item strong {
  display: block;
  font-size: 16px;
  color: var(--secondary);
  margin-bottom: 4px;
}

.scope-item span {
  font-size: 14px;
  color: var(--text-muted);
}

/* Timeline Table */
.timeline-table {
  width: 100%;
  border-collapse: collapse;
  margin: 25px 0;
  font-size: 14.5px;
}

.timeline-table th {
  background: var(--secondary);
  color: #ffffff;
  padding: 12px 16px;
  text-align: left;
}

.timeline-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

.timeline-table tr:nth-child(even) td {
  background: var(--bg-light);
}

/* Subpage Call Box */
.subpage-callout {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #ffffff;
  padding: 30px;
  border-radius: var(--radius-md);
  text-align: center;
  margin: 40px 0;
}

.subpage-callout h3 {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 10px;
}

.subpage-callout a {
  display: inline-block;
  font-size: 26px;
  font-weight: 800;
  color: var(--accent-gold);
  margin-top: 6px;
}

/* Subpage Sidebar */
.services-sidebar {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.sidebar-widget {
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  padding: 30px 24px;
}

.widget-title {
  font-size: 19px;
  font-weight: 800;
  color: var(--secondary);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.widget-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}

.sidebar-service-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-service-list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--secondary);
  background: var(--bg-light);
  transition: var(--transition);
}

.sidebar-service-list a:hover, .sidebar-service-list li.current-item a {
  background: var(--primary);
  color: #ffffff;
  padding-left: 20px;
}

/* Contact Widget (Sis Çevre Stili) */
.quick-contact-widget {
  background: var(--secondary);
  color: #ffffff;
  text-align: center;
  padding: 35px 24px;
  border-radius: var(--radius-md);
}

.quick-contact-widget .icon-wrap {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  color: #ffffff;
}

.quick-contact-widget h3 {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 8px;
}

.quick-contact-widget p {
  font-size: 14px;
  color: #cbd5e1;
  margin-bottom: 24px;
}

/* ==========================================================================
   Responsive Tasarım
   ========================================================================== */
@media (max-width: 1024px) {
  .navbar-nav { display: none; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .calendar-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .subpage-grid { grid-template-columns: 1fr; }
  .quick-contact-grid { grid-template-columns: 1fr; }
  .quick-contact-left { display: none; }
}

@media (max-width: 768px) {
  .header-call-box { display: none; }
  .banner-area { height: 500px; }
  .banner-title { font-size: 30px; }
  .banner-desc { font-size: 15px; }
  .services-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 30px; }
  .about-img { height: 320px; }
  .about-checklist { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .calendar-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom-flex { flex-direction: column; gap: 12px; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .meeting-flex { flex-direction: column; text-align: center; }
  .audience-grid { grid-template-columns: 1fr; }
}