/* ============================================
   BATIBAY GROUP – Corporate Design System v2
   Kurumsal Endüstriyel Tasarım
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Roboto:wght@300;400;500;700&display=swap');

/* ---- CSS Custom Properties ---- */
:root {
  --color-primary: #003366;
  --color-primary-light: #004a99;
  --color-primary-dark: #002244;
  --color-accent: #e67e22;
  --color-accent-dark: #cf6d17;
  --color-bg-white: #ffffff;
  --color-bg-light: #f4f6f8;
  --color-bg-section: #f0f2f5;
  --color-bg-dark: #1a2332;
  --color-bg-darker: #111920;
  --color-text-dark: #1a1a2e;
  --color-text-body: #4a4a5a;
  --color-text-muted: #6b7b8d;
  --color-text-white: #ffffff;
  --color-text-light: #c8d6e5;
  --color-border: #e0e4e8;
  --color-border-light: #eef1f4;
  --color-whatsapp: #25d366;
  --color-instagram: #e1306c;

  --font-heading: 'Inter', sans-serif;
  --font-body: 'Roboto', sans-serif;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 2px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 4px 24px rgba(0, 0, 0, 0.12);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;

  --header-height: 70px;
  --topbar-height: 40px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + var(--topbar-height));
}

body {
  font-family: var(--font-body);
  color: var(--color-text-body);
  line-height: 1.6;
  background: var(--color-bg-white);
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-dark);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---- SVG Icon Base ---- */
.icon-svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
  flex-shrink: 0;
}

.icon-svg-lg {
  width: 40px;
  height: 40px;
}

.icon-svg-xl {
  width: 48px;
  height: 48px;
}

/* ---- Top Info Bar ---- */
.topbar {
  background: var(--color-primary-dark);
  color: var(--color-text-white);
  font-size: 0.82rem;
  height: var(--topbar-height);
  display: flex;
  align-items: center;
}

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

.topbar-left,
.topbar-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.topbar-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-text-light);
}

.topbar-item a {
  color: var(--color-text-light);
}

.topbar-item a:hover {
  color: var(--color-text-white);
}

.topbar-item .icon-svg {
  width: 14px;
  height: 14px;
  fill: var(--color-accent);
}

/* ---- Header ---- */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-bg-white);
  height: var(--header-height);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 2px;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  letter-spacing: 0.5px;
}

.logo-bold {
  font-weight: 900;
  color: var(--color-primary);
}

.logo-light {
  font-weight: 300;
  color: var(--color-text-dark);
}

.logo-dot {
  color: var(--color-accent);
  font-weight: 900;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links {
  display: flex;
  gap: 0.3rem;
}

.nav-links a {
  color: var(--color-text-dark);
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-links a:hover {
  color: var(--color-primary);
  background: var(--color-bg-light);
}

.nav-links a.active {
  color: var(--color-primary);
  font-weight: 600;
}

/* Language Toggle */
.lang-toggle {
  display: flex;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.lang-btn {
  padding: 0.35rem 0.7rem;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-btn.active {
  background: var(--color-primary);
  color: var(--color-text-white);
}

.lang-btn:hover:not(.active) {
  background: var(--color-bg-light);
  color: var(--color-text-dark);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
  background: none;
  border: none;
  padding: 5px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-dark);
  transition: all var(--transition-base);
  border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ---- Hero Section ---- */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-dark);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.35;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 51, 102, 0.92) 0%, rgba(26, 35, 50, 0.85) 60%, rgba(0, 51, 102, 0.75) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 750px;
  padding: 0 1.5rem;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  color: var(--color-text-white);
  margin-bottom: 1rem;
  font-weight: 800;
  line-height: 1.15;
}

.hero h1 .highlight {
  color: var(--color-accent);
}

.hero-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: var(--color-text-light);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-text-white);
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--color-text-white);
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
  border-color: var(--color-text-white);
  background: rgba(255, 255, 255, 0.08);
}

.btn-whatsapp {
  background: var(--color-whatsapp);
  color: white;
}

.btn-whatsapp:hover {
  background: #1fba59;
  transform: translateY(-1px);
}

.btn-whatsapp .icon-svg {
  fill: white;
}

.btn-secondary {
  background: var(--color-primary);
  color: var(--color-text-white);
}

.btn-secondary:hover {
  background: var(--color-primary-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.section-action {
  text-align: center;
  margin-top: 2rem;
}

/* ---- Page Banner (Inner Pages) ---- */
.page-banner {
  position: relative;
  padding: 4rem 0 3rem;
  background: var(--color-primary-dark);
  text-align: center;
  overflow: hidden;
}

.page-banner::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.page-banner h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  color: var(--color-text-white);
  margin-bottom: 0.5rem;
}

.page-banner p {
  color: var(--color-text-light);
  font-size: 1rem;
  max-width: 550px;
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.85rem;
  color: var(--color-text-light);
}

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

.breadcrumb a:hover {
  color: var(--color-text-white);
}

/* ---- Sections ---- */
.section {
  padding: 4.5rem 0;
}

.section-gray {
  background: var(--color-bg-section);
}

.section-dark {
  background: var(--color-bg-dark);
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header .label {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 0.5rem;
}

.section-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 0.8rem;
}

.section-header p {
  color: var(--color-text-muted);
  font-size: 1rem;
  max-width: 560px;
  margin: 0 auto;
}

.section-dark .section-header h2 {
  color: var(--color-text-white);
}

.section-dark .section-header p {
  color: var(--color-text-light);
}

/* ---- Service Cards (Home) ---- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
  transition: all var(--transition-base);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.service-card:hover .service-icon {
  color: var(--color-accent);
}

.service-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  transition: color var(--transition-base);
}

.service-icon .icon-svg {
  width: 48px;
  height: 48px;
}

.service-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
  color: var(--color-text-dark);
}

.service-card p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ---- Service Detail Cards (Services Page) ---- */
.services-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.service-detail-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  transition: all var(--transition-base);
}

.service-detail-card:hover {
  box-shadow: var(--shadow-md);
}

.service-detail-icon {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  border-radius: var(--radius-sm);
  color: white;
}

.service-detail-icon .icon-svg {
  width: 32px;
  height: 32px;
  fill: white;
}

.service-detail-content h3 {
  font-size: 1.2rem;
  margin-bottom: 0.3rem;
}

.service-detail-content p {
  color: var(--color-text-muted);
  line-height: 1.7;
}

.service-detail-content ul {
  margin-top: 0.8rem;
}

.service-detail-content ul li {
  padding: 0.3rem 0;
  color: var(--color-text-muted);
  padding-left: 1.2rem;
  position: relative;
  font-size: 0.92rem;
}

.service-detail-content ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

/* ---- About ---- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-text h3 {
  font-size: 1.4rem;
  margin-bottom: 0.8rem;
}

.about-text p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  line-height: 1.8;
}

.about-image {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.stat-card {
  text-align: center;
  padding: 2rem 1rem;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 0.2rem;
}

.stat-label {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* Mission & Vision */
.mv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.mv-card {
  padding: 2rem;
  border-radius: var(--radius-md);
  background: var(--color-bg-white);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--color-primary);
}

.mv-card:nth-child(2) {
  border-left-color: var(--color-accent);
}

.mv-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.mv-card p {
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* ---- References ---- */
.references-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.reference-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.5rem 2.2rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  border-left: 4px solid var(--color-primary);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.reference-card .btn {
  margin-top: auto;
  align-self: flex-start;
  position: relative;
  top: 1rem;
}

.reference-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.reference-tag {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  background: rgba(0, 51, 102, 0.05);
  color: var(--color-primary);
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 600;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.8rem;
}

.reference-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.3rem;
}

.reference-card p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ---- Contact Cards ---- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.contact-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
}

.contact-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.contact-card-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 1.5rem;
}

.contact-card-icon.phone {
  background: rgba(0, 51, 102, 0.08);
  color: var(--color-primary);
}

.contact-card-icon.whatsapp {
  background: rgba(37, 211, 102, 0.08);
  color: var(--color-whatsapp);
}

.contact-card-icon.email {
  background: rgba(230, 126, 34, 0.08);
  color: var(--color-accent);
}

.contact-card-icon.instagram {
  background: rgba(225, 48, 108, 0.08);
  color: var(--color-instagram);
}

.contact-card-icon .icon-svg {
  width: 26px;
  height: 26px;
}

.contact-card h3 {
  font-size: 1rem;
  margin-bottom: 0.2rem;
  color: var(--color-text-dark);
}

.contact-card p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.contact-card a {
  color: var(--color-primary);
  font-weight: 500;
}

.contact-card a:hover {
  color: var(--color-accent);
}

/* ---- Quick Contact (Home) ---- */
.quick-contact {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.quick-contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem 1.5rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  color: var(--color-text-white);
  transition: all var(--transition-base);
}

.quick-contact-item:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

.quick-contact-item .icon-svg {
  width: 22px;
  height: 22px;
  fill: var(--color-accent);
}

.quick-contact-item .qc-label {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.quick-contact-item .qc-value {
  font-weight: 600;
  font-family: var(--font-heading);
  font-size: 0.95rem;
}

/* ---- Footer ---- */
.footer {
  background: var(--color-bg-darker);
  color: var(--color-text-light);
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-about .logo {
  margin-bottom: 0.8rem;
}

.footer-about .logo .logo-bold {
  color: #4d8fcc;
}

.footer-about .logo .logo-light {
  color: var(--color-text-light);
}

.footer-about p {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  line-height: 1.7;
}

.footer h4 {
  font-size: 0.95rem;
  color: var(--color-text-white);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  position: relative;
}

.footer h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--color-accent);
}

.footer-links a {
  display: block;
  padding: 0.3rem 0;
  color: var(--color-text-muted);
  font-size: 0.88rem;
  transition: all var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-text-white);
  padding-left: 4px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0;
  color: var(--color-text-muted);
  font-size: 0.88rem;
}

.footer-contact-item .icon-svg {
  width: 14px;
  height: 14px;
  fill: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.footer-social {
  display: flex;
  gap: 0.8rem;
}

.footer-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition-base);
}

.footer-social a .icon-svg {
  width: 16px;
  height: 16px;
  fill: var(--color-text-light);
}

.footer-social a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.footer-social a:hover .icon-svg {
  fill: white;
}

/* ---- Floating WhatsApp ---- */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 56px;
  height: 56px;
  background: var(--color-whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
  z-index: 999;
  transition: all var(--transition-base);
}

.whatsapp-float .icon-svg {
  width: 28px;
  height: 28px;
  fill: white;
}

.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.45);
}

/* ---- CTA Section ---- */
.cta-section {
  text-align: center;
  padding: 3.5rem 0;
  background: var(--color-primary-dark);
}

.cta-section h2 {
  color: var(--color-text-white);
  margin-bottom: 0.8rem;
  font-size: 1.6rem;
}

.cta-section p {
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
  max-width: 450px;
  margin-left: auto;
  margin-right: auto;
}

/* ---- Scroll Animations (subtle) ---- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ---- Contact Layout with Form ---- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

@media (max-width: 900px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }
}

.contact-form-container {
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-light);
  border-top: 4px solid var(--color-accent);
}

.contact-form .form-group {
  margin-bottom: 1.5rem;
}

.contact-form label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-text-dark);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text-dark);
  background: var(--color-bg-light);
  transition: all var(--transition-fast);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-bg-white);
  box-shadow: 0 0 0 3px rgba(0, 51, 102, 0.1);
}

.contact-form .btn-submit {
  width: 100%;
  justify-content: center;
  font-size: 1rem;
  padding: 1rem;
  margin-top: 1rem;
}

.form-message {
  margin-top: 1rem;
  font-weight: 500;
  text-align: center;
  display: none;
  padding: 1rem;
  border-radius: var(--radius-sm);
}

.form-message.success {
  display: block;
  background: rgba(37, 211, 102, 0.1);
  color: #1a9641;
  border: 1px solid rgba(37, 211, 102, 0.2);
}

.form-message.error {
  display: block;
  background: rgba(220, 53, 69, 0.1);
  color: #dc3545;
  border: 1px solid rgba(220, 53, 69, 0.2);
}

/* Character Counter */
.char-counter {
  text-align: right;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 0.4rem;
  font-family: var(--font-heading);
}

.char-counter.warning {
  color: var(--color-accent);
  font-weight: 600;
}

.char-counter.limit {
  color: #dc3545;
  font-weight: 700;
}

/* Success Animation Overlay */
.form-success-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.96);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  z-index: 10;
  animation: fadeInOverlay 0.4s ease;
}

@keyframes fadeInOverlay {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.success-checkmark {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25d366, #1fba59);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
  animation: popIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
}

@keyframes popIn {
  0% {
    transform: scale(0);
    opacity: 0;
  }

  60% {
    transform: scale(1.15);
  }

  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.success-checkmark svg {
  width: 36px;
  height: 36px;
  fill: none;
  stroke: white;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 50;
  stroke-dashoffset: 50;
  animation: drawCheck 0.5s 0.3s ease forwards;
}

@keyframes drawCheck {
  to {
    stroke-dashoffset: 0;
  }
}

.success-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: 0.4rem;
}

.success-text {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  text-align: center;
  max-width: 320px;
  line-height: 1.6;
}

.contact-form-container {
  position: relative;
}

.contact-form select {
  width: 100%;
  padding: 0.9rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text-dark);
  background: var(--color-bg-light);
  transition: all var(--transition-fast);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24'%3E%3Cpath fill='%236b7b8d' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 18px;
}

.contact-form select:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: var(--color-bg-white);
  box-shadow: 0 0 0 3px rgba(0, 51, 102, 0.1);
}

.service-request-form-wrapper {
  max-width: 680px;
  margin: 0 auto;
}

.topbar-item a:hover {
  color: var(--color-text-white);
}

/* ---- Responsive ---- */
@media (max-width:992px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width:768px) {
  .topbar-right {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-bg-white);
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
    transition: right var(--transition-base);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
  }

  .nav.active {
    right: 0;
  }

  .nav-links {
    flex-direction: column;
    gap: 0.3rem;
  }

  .nav-links a {
    font-size: 1rem;
    padding: 0.8rem;
  }

  .mv-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 0.8rem;
    text-align: center;
  }

  .service-detail-card {
    flex-direction: column;
  }

  .hero {
    min-height: 70vh;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    text-align: center;
    justify-content: center;
  }
}

@media (max-width:480px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .quick-contact {
    flex-direction: column;
    align-items: stretch;
  }
}

/* ---- Hero Typewriter Effect ---- */
.hero-rotate {
  display: inline-block;
  border-right: 3px solid var(--color-accent);
  animation: blink-cursor 0.75s step-end infinite;
}

@keyframes blink-cursor {

  0%,
  100% {
    border-color: var(--color-accent);
  }

  50% {
    border-color: transparent;
  }
}

/* ---- Reference Card with Image ---- */
.reference-card-img {
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: row;
  text-decoration: none;
  color: inherit;
}

.reference-card-img:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.reference-card-img .ref-img {
  width: 220px;
  min-height: 180px;
  flex-shrink: 0;
  object-fit: cover;
}

.reference-card-img .ref-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 1;
}

.reference-card-img .ref-action {
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-left: 1px solid var(--color-border-light);
  background: rgba(0, 51, 102, 0.02);
  min-width: 180px;
}

.reference-card-img .ref-content .reference-tag {
  display: inline-block;
  padding: 0.2rem 0.7rem;
  background: rgba(0, 51, 102, 0.06);
  color: var(--color-primary);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-heading);
  margin-bottom: 0.5rem;
  width: fit-content;
}

.reference-card-img .ref-content h3 {
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
}

.reference-card-img .ref-content p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.references-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* ---- Project Detail Page ---- */
.project-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.project-detail-img {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.project-detail-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.project-detail-info {
  padding: 0.5rem 0;
}

.project-detail-info .info-row {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border-light);
  align-items: flex-start;
}

.project-detail-info .info-row:last-child {
  border-bottom: none;
}

.project-detail-info .info-label {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  min-width: 100px;
  flex-shrink: 0;
}

.project-detail-info .info-value {
  color: var(--color-text-body);
  line-height: 1.7;
}

.project-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  margin-top: 2rem;
  transition: color var(--transition-fast);
}

.project-back-link:hover {
  color: var(--color-accent);
}

/* ---- Responsive: Reference Images & Project Detail ---- */
@media (max-width:768px) {
  .reference-card-img {
    flex-direction: column;
  }

  .reference-card-img .ref-img {
    width: 100%;
    min-height: 180px;
    max-height: 200px;
  }

  .reference-card-img .ref-action {
    border-left: none;
    border-top: 1px solid var(--color-border-light);
    min-width: 100%;
  }

  .project-detail {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .project-detail-info .info-row {
    flex-direction: column;
    gap: 0.3rem;
  }
}