/* ===== CSS Custom Properties ===== */
:root {
  --color-dark: #1B1D3A;
  --color-dark-light: #252850;
  --color-primary: #C5683A;
  --color-primary-hover: #A8542E;
  --color-primary-light: #FDF0E8;
  --color-secondary: #0D9488;
  --color-secondary-dark: #0F766E;
  --color-accent: #7C3AED;
  --color-light: #F8F5F0;
  --color-light-alt: #F1EEE8;
  --color-white: #FFFFFF;
  --color-text: #1A1A24;
  --color-text-muted: #6B7280;
  --color-text-light: #9CA3AF;
  --color-border: #E5E0D8;
  --color-success: #059669;
  --color-danger: #DC2626;
  --font-heading: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-body: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
  color: var(--color-primary-hover);
}

ul {
  list-style: none;
}

/* ===== Container ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Button Styles ===== */
.btn {
  display: inline-block;
  padding: 12px 28px;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  text-align: center;
  line-height: 1.4;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: var(--color-white);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn-outline:hover {
  background-color: var(--color-white);
  color: var(--color-dark);
}

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

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

.btn-lg {
  padding: 16px 36px;
  font-size: 17px;
}

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--color-dark);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: background-color var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-lg);
  background-color: var(--color-dark);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.navbar .logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-white);
  text-decoration: none;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar .logo span {
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: #CBD5E1;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition);
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-white);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2.5px;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition);
}

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

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

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

/* ===== Hero Section ===== */
.hero-section {
  padding: 160px 0 100px;
  background: linear-gradient(135deg, var(--color-dark) 0%, #252850 40%, #1e2d5c 100%);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(197,104,58,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(13,148,136,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-section .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content h1 {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero-content h1 span {
  color: var(--color-primary);
  display: block;
}

.hero-content p {
  font-size: 18px;
  color: #CBD5E1;
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-card {
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 420px;
}

.hero-card .stat-row {
  display: flex;
  gap: 24px;
  margin-bottom: 28px;
}

.hero-card .stat-item {
  flex: 1;
  text-align: center;
}

.hero-card .stat-number {
  font-size: 36px;
  font-weight: 800;
  color: var(--color-primary);
  display: block;
}

.hero-card .stat-label {
  font-size: 13px;
  color: #94A3B8;
  margin-top: 4px;
  display: block;
}

.hero-card .feature-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.hero-card .feature-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: #E2E8F0;
}

.hero-card .feature-list li .check-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(13,148,136,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-secondary);
  font-size: 14px;
  font-weight: bold;
  flex-shrink: 0;
}

/* ===== Section Styles ===== */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header .section-tag {
  display: inline-block;
  padding: 6px 16px;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 700;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: 40px;
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-header p {
  font-size: 17px;
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ===== About Section ===== */
.about-section {
  padding: 100px 0;
  background-color: var(--color-white);
}

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

.about-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}

.about-image .image-placeholder {
  width: 100%;
  height: 400px;
  background: linear-gradient(135deg, var(--color-dark) 0%, #252850 50%, var(--color-primary) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 18px;
  font-weight: 600;
  position: relative;
}

.about-image .image-placeholder::after {
  content: '';
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 150px;
  height: 150px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-dark));
  z-index: -1;
}

.about-content h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.about-content .section-tag {
  display: inline-block;
  padding: 6px 16px;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 700;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 20px;
}

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

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--color-border);
}

.about-stats .stat h4 {
  font-size: 28px;
  font-weight: 800;
  color: var(--color-primary);
}

.about-stats .stat p {
  font-size: 13px;
  margin-bottom: 0;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

/* ===== Services Section ===== */
.services-section {
  padding: 100px 0;
  background-color: var(--color-light);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  position: relative;
}

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

.service-card .service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  font-size: 24px;
  color: var(--color-primary);
}

.service-card:nth-child(2) .service-icon {
  background-color: #ECFDF5;
  color: var(--color-secondary);
}

.service-card:nth-child(3) .service-icon {
  background-color: #F5F3FF;
  color: var(--color-accent);
}

.service-card:nth-child(4) .service-icon {
  background-color: #FFF7ED;
  color: #EA580C;
}

.service-card:nth-child(5) .service-icon {
  background-color: #F0FDFA;
  color: #0F766E;
}

.service-card:nth-child(6) .service-icon {
  background-color: #FDF2F8;
  color: #DB2777;
}

.service-card:nth-child(7) .service-icon {
  background-color: #EFF6FF;
  color: #2563EB;
}

.service-card:nth-child(8) .service-icon {
  background-color: #FEFCE8;
  color: #CA8A04;
}

.service-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 12px;
}

.service-card p {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-card .service-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition);
}

.service-card .service-link:hover {
  gap: 10px;
}

/* ===== Features Section ===== */
.features-section {
  padding: 100px 0;
  background-color: var(--color-white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.feature-item {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.feature-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 20px;
  color: var(--color-primary);
}

.feature-item:nth-child(2) .feature-icon-wrap {
  background-color: #ECFDF5;
  color: var(--color-secondary);
}

.feature-item:nth-child(3) .feature-icon-wrap {
  background-color: #F5F3FF;
  color: var(--color-accent);
}

.feature-item:nth-child(4) .feature-icon-wrap {
  background-color: #FFF7ED;
  color: #EA580C;
}

.feature-item:nth-child(5) .feature-icon-wrap {
  background-color: #F0FDFA;
  color: #0F766E;
}

.feature-item:nth-child(6) .feature-icon-wrap {
  background-color: #FDF2F8;
  color: #DB2777;
}

.feature-text h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 6px;
}

.feature-text p {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ===== Industries Section ===== */
.industries-section {
  padding: 100px 0;
  background-color: var(--color-light);
}

.industries-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.industry-tag {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 20px 16px;
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-dark);
  transition: all var(--transition);
  cursor: default;
}

.industry-tag:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

/* ===== Contact Section ===== */
.contact-section {
  padding: 100px 0;
  background-color: var(--color-white);
}

.contact-section .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}

.contact-info h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.contact-info .section-tag {
  display: inline-block;
  padding: 6px 16px;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 700;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 20px;
}

.contact-info > p {
  font-size: 16px;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  line-height: 1.7;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.contact-detail .contact-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-detail:nth-child(2) .contact-icon {
  background-color: #ECFDF5;
  color: var(--color-secondary);
}

.contact-detail:nth-child(3) .contact-icon {
  background-color: #F5F3FF;
  color: var(--color-accent);
}

.contact-detail .contact-text h5 {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 2px;
}

.contact-detail .contact-text span {
  font-size: 15px;
  color: var(--color-text-muted);
}

.contact-form {
  background-color: var(--color-light);
  border-radius: var(--radius-lg);
  padding: 36px;
  border: 1px solid var(--color-border);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 15px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-white);
  color: var(--color-text);
  transition: border-color var(--transition);
  font-family: var(--font-body);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(197,104,58,0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-status {
  margin-top: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  display: none;
}

.form-status.success {
  display: block;
  background-color: #ECFDF5;
  color: var(--color-success);
  border: 1px solid #A7F3D0;
}

.form-status.error {
  display: block;
  background-color: #FEF2F2;
  color: var(--color-danger);
  border: 1px solid #FECACA;
}

/* ===== Footer ===== */
.site-footer {
  background-color: var(--color-dark);
  color: #CBD5E1;
  padding: 60px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-about h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
}

.footer-about h3 span {
  color: var(--color-primary);
}

.footer-about p {
  font-size: 14px;
  line-height: 1.7;
  color: #94A3B8;
}

.footer-links h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links ul li a {
  font-size: 14px;
  color: #94A3B8;
  transition: color var(--transition);
}

.footer-links ul li a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center;
  font-size: 14px;
  color: #64748B;
}

/* ===== Scroll Reveal ===== */
.fade-up {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: no-preference) {
  .fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

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

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-dark);
    flex-direction: column;
    justify-content: flex-start;
    padding: 32px 24px;
    gap: 24px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 999;
  }

  .nav-links.active {
    transform: translateX(0);
  }

  .nav-links a {
    font-size: 18px;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-section {
    padding: 120px 0 60px;
  }

  .hero-section .container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-content h1 {
    font-size: 36px;
  }

  .section-header h2 {
    font-size: 30px;
  }

  .about-section .container {
    grid-template-columns: 1fr;
  }

  .about-image {
    order: -1;
  }

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

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

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 28px;
  }

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

  .section-header h2 {
    font-size: 26px;
  }

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

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