/* ISOL ECO LOGIS - Styles CSS */
/* Couleurs principales */
:root {
  --color-primary: #1a6b3c;
  --color-primary-dark: #145530;
  --color-primary-light: #2d9e5f;
  --color-accent: #f5a623;
  --color-text: #2c2c2c;
  --color-bg: #f9f9f7;
  --color-secondary: #2d5a8e;
  --color-tertiary: #8e4a2d;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
}

/* Typographie */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

a {
  text-decoration: none;
  color: inherit;
}

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

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header-top {
  background: var(--color-primary);
  color: white;
  padding: 8px 0;
  font-size: 14px;
}

.header-top .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.header-top a {
  transition: color 0.3s;
}

.header-top a:hover {
  color: var(--color-accent);
}

.header-top .contact-info {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.header-top .social-links {
  display: flex;
  gap: 15px;
}

.header-top .social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
}

.header-main {
  background: white;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-main .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 50px;
  height: 50px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 18px;
}

.logo-text h1 {
  font-size: 22px;
  color: var(--color-primary);
  line-height: 1.2;
}

.logo-text p {
  font-size: 12px;
  color: #666;
}

.nav-main {
  display: flex;
  gap: 5px;
}

.nav-main a {
  padding: 10px 15px;
  font-size: 14px;
  font-weight: 500;
  color: #444;
  border-radius: 5px;
  transition: all 0.3s;
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  padding: 5px;
}

/* Hero Slider */
.hero {
  position: relative;
  height: 600px;
  overflow: hidden;
  background: #000;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.7s;
}

.hero-slide.active {
  opacity: 1;
  z-index: 10;
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}

.hero-content {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
}

.hero-content-inner {
  text-align: center;
  color: white;
  max-width: 800px;
  padding: 20px;
}

.hero-badge {
  display: inline-block;
  background: var(--color-primary);
  color: white;
  font-size: 12px;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 2px;
  padding: 8px 20px;
  border-radius: 5px;
  margin-bottom: 20px;
}

.hero-title {
  font-size: 2.5rem;
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero-desc {
  font-size: 1.2rem;
  margin-bottom: 30px;
  opacity: 0.9;
}

.hero-cta {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-dots {
  position: absolute;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 30;
}

.hero-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  border: none;
  cursor: pointer;
  transition: all 0.3s;
}

.hero-dot.active {
  background: white;
  transform: scale(1.3);
}

.hero-wave {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 20;
}

/* Sections */
section {
  padding: 80px 0;
}

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

.section-white {
  background: white;
}

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

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-tag {
  color: var(--color-primary);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 14px;
  letter-spacing: 1px;
}

.section-title {
  color: var(--color-primary);
  font-size: 2rem;
  margin: 10px 0 15px;
}

.section-subtitle {
  color: #666;
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Services Cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.service-card {
  background: white;
  border-radius: 15px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.service-card-img {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.service-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.service-card:hover .service-card-img img {
  transform: scale(1.1);
}

.service-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,107,60,0.8), transparent);
  display: flex;
  align-items: flex-end;
  padding: 15px;
}

.service-card-overlay h3 {
  color: white;
}

.service-card-body {
  padding: 25px;
}

.service-card-body p {
  color: #666;
  margin-bottom: 15px;
  font-size: 14px;
}

.service-card-list {
  list-style: none;
  margin-bottom: 20px;
}

.service-card-list li {
  padding: 5px 0;
  font-size: 14px;
  color: #555;
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-card-list li span {
  color: var(--color-primary);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 5px;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.3s;
  cursor: pointer;
  border: none;
}

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

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

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

.btn-accent:hover {
  background: #d4891a;
}

.btn-outline {
  border: 2px solid white;
  color: white;
}

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

.btn-outline-dark {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

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

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.about-img {
  position: relative;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.about-img img {
  width: 100%;
  display: block;
}

.about-content h2 {
  color: var(--color-primary);
  margin-bottom: 20px;
}

.about-content p {
  color: #666;
  margin-bottom: 15px;
}

.mission-card {
  background: #f5f5f5;
  padding: 30px;
  border-radius: 15px;
  border-left: 4px solid var(--color-primary);
  margin: 30px 0;
}

.mission-card h3 {
  margin-bottom: 15px;
}

.mission-card ul {
  list-style: none;
}

.mission-card li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.mission-card li span {
  color: var(--color-primary);
  font-size: 18px;
}

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 30px 0;
}

.highlight-item {
  background: white;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  display: flex;
  align-items: center;
  gap: 15px;
}

.highlight-badge {
  background: #333;
  color: white;
  width: 50px;
  height: 50px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 18px;
}

.highlight-text h4 {
  font-size: 14px;
  margin-bottom: 3px;
}

.highlight-text p {
  font-size: 12px;
  color: #777;
  margin: 0;
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}

.stat-item .stat-value {
  font-size: 2.5rem;
  font-weight: bold;
  color: var(--color-accent);
  margin-bottom: 5px;
}

.stat-item .stat-label {
  font-size: 14px;
  opacity: 0.9;
}

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

.process-item {
  background: white;
  padding: 30px;
  border-radius: 15px;
  text-align: center;
  position: relative;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.process-step {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: white;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.process-icon {
  font-size: 40px;
  margin-bottom: 15px;
}

.process-item h4 {
  margin-bottom: 10px;
  color: #333;
}

.process-item p {
  font-size: 14px;
  color: #666;
}

.process-arrow {
  position: absolute;
  right: -20px;
  top: 50%;
  transform: translateY(-50%);
  color: #ddd;
  font-size: 24px;
  z-index: 10;
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.testimonial-card {
  background: var(--color-bg);
  padding: 30px;
  border-radius: 15px;
  position: relative;
}

.testimonial-stars {
  color: var(--color-accent);
  font-size: 20px;
  margin-bottom: 15px;
}

.testimonial-card p {
  font-style: italic;
  color: #555;
  margin-bottom: 20px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.testimonial-info h4 {
  font-size: 14px;
  margin-bottom: 2px;
}

.testimonial-info p {
  font-size: 12px;
  color: #777;
  margin: 0;
}

.testimonial-quote {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 50px;
  color: #ddd;
  font-family: serif;
  line-height: 1;
}

/* Projects */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.project-card {
  position: relative;
  border-radius: 15px;
  overflow: hidden;
  height: 250px;
  cursor: pointer;
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.project-card:hover img {
  transform: scale(1.1);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
}

.project-overlay h4 {
  color: white;
  margin-bottom: 5px;
}

.project-overlay p {
  color: #ccc;
  font-size: 13px;
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.contact-info h2 {
  color: var(--color-primary);
  margin-bottom: 20px;
}

.contact-info > p {
  color: #666;
  margin-bottom: 30px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 20px;
  background: white;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.contact-item h3 {
  font-size: 16px;
  margin-bottom: 5px;
}

.contact-item a {
  color: var(--color-primary);
}

.contact-item p {
  color: #666;
  font-size: 14px;
  margin: 0;
}

.contact-rge {
  background: var(--color-primary);
  color: white;
  padding: 25px;
  border-radius: 15px;
  margin-top: 30px;
}

.contact-rge h3 {
  margin-bottom: 10px;
}

.contact-rge p {
  font-size: 14px;
  opacity: 0.9;
}

/* Form */
.contact-form {
  background: white;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.contact-form h2 {
  color: var(--color-primary);
  margin-bottom: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

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

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  color: #333;
  font-size: 14px;
}

.form-group label span {
  color: red;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 14px;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

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

.form-note {
  background: #f0f9f0;
  padding: 12px;
  border-radius: 8px;
  font-size: 13px;
  color: #666;
  margin-bottom: 20px;
}

/* Footer */
footer {
  background: #1a3a2a;
  color: #ccc;
}

.footer-main {
  padding: 50px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 50px;
}

.footer-about .logo {
  margin-bottom: 15px;
}

.footer-about p {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  background: var(--color-primary-light);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s;
}

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

.footer h3 {
  color: white;
  margin-bottom: 20px;
  font-size: 18px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  font-size: 14px;
  transition: color 0.3s;
}

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

.footer-contact p {
  font-size: 14px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-bottom {
  border-top: 1px solid #2d4a38;
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
}

.footer-badge {
  background: rgba(45,158,95,0.2);
  border: 1px solid rgba(45,158,95,0.3);
  padding: 10px 15px;
  border-radius: 8px;
  margin-top: 15px;
}

.footer-badge p {
  margin: 0;
  font-size: 12px;
  color: #7dd3a8;
}

/* Hero Page */
.hero-page {
  position: relative;
  height: 400px;
  display: flex;
  align-items: center;
  color: white;
}

.hero-page img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-page-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,107,60,0.9), rgba(15,51,32,0.8));
}

.hero-page-content {
  position: relative;
  z-index: 10;
}

.hero-page h1 {
  font-size: 3rem;
  margin-bottom: 15px;
}

.hero-page p {
  font-size: 1.2rem;
  opacity: 0.9;
}

.breadcrumb {
  font-size: 14px;
  margin-bottom: 15px;
}

.breadcrumb a {
  color: rgba(255,255,255,0.8);
}

.breadcrumb a:hover {
  color: white;
}

/* Detail Pages */
.detail-section {
  padding: 60px 0;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.detail-content h2 {
  color: var(--color-primary);
  margin-bottom: 20px;
}

.detail-content p {
  color: #666;
  margin-bottom: 15px;
}

.detail-box {
  background: var(--color-primary);
  color: white;
  padding: 25px;
  border-radius: 15px;
  margin-top: 25px;
}

.detail-box h4 {
  margin-bottom: 10px;
}

.detail-box p {
  color: rgba(255,255,255,0.9);
  margin: 0;
  font-size: 14px;
}

.detail-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
}

.detail-stat {
  padding: 25px;
  border-radius: 15px;
  text-align: center;
  color: white;
}

.detail-stat .stat-val {
  font-size: 2rem;
  font-weight: bold;
  color: var(--color-accent);
}

/* Solution Cards */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.solution-card {
  background: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  border: 2px solid transparent;
  transition: all 0.3s;
}

.solution-card:hover {
  box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.solution-img {
  height: 180px;
  position: relative;
  overflow: hidden;
}

.solution-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.solution-img-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;
  padding: 20px;
  text-align: center;
}

.solution-icon {
  font-size: 40px;
  margin-bottom: 10px;
}

.solution-body {
  padding: 25px;
}

.solution-body p {
  font-size: 14px;
  color: #666;
  margin-bottom: 15px;
}

.solution-body ul {
  list-style: none;
}

.solution-body li {
  padding: 6px 0;
  font-size: 13px;
  color: #555;
  display: flex;
  align-items: center;
  gap: 8px;
}

.solution-body li span {
  color: var(--color-primary);
}

/* Advantages */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
}

.advantage-card {
  background: white;
  padding: 30px;
  border-radius: 15px;
  text-align: center;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.advantage-icon {
  font-size: 45px;
  margin-bottom: 20px;
}

.advantage-card h4 {
  color: var(--color-primary);
  margin-bottom: 10px;
}

.advantage-card p {
  font-size: 14px;
  color: #666;
}

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.gallery-item {
  position: relative;
  border-radius: 15px;
  overflow: hidden;
  height: 220px;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
  display: flex;
  align-items: flex-end;
  padding: 15px;
}

.gallery-overlay p {
  color: white;
  font-size: 14px;
  font-weight: 500;
}

/* CTA Section */
.cta-section {
  text-align: center;
  padding: 60px 0;
}

.cta-section h2 {
  margin-bottom: 15px;
}

.cta-section p {
  color: #666;
  margin-bottom: 30px;
}

/* Certifications */
.certifications-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.certification-card {
  background: #f0f9f0;
  padding: 25px;
  border-radius: 15px;
  text-align: center;
  border: 1px solid #e0f0e0;
}

.certification-icon {
  font-size: 40px;
  margin-bottom: 15px;
}

.certification-card h4 {
  color: var(--color-primary);
  margin-bottom: 8px;
}

.certification-card p {
  font-size: 13px;
  color: #666;
}

/* Page References */
.refs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.ref-card {
  background: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.ref-card-img {
  position: relative;
  height: 250px;
  overflow: hidden;
  cursor: pointer;
}

.ref-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.ref-card:hover .ref-card-img img {
  transform: scale(1.1);
}

.ref-card-hover {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s;
}

.ref-card:hover .ref-card-hover {
  opacity: 1;
}

.ref-card-hover span {
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(5px);
  color: white;
  padding: 10px 20px;
  border-radius: 25px;
  font-weight: 500;
  border: 1px solid rgba(255,255,255,0.5);
}

.ref-badges {
  position: absolute;
  bottom: 15px;
  left: 15px;
  right: 15px;
  display: flex;
  gap: 8px;
}

.ref-badge {
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: bold;
}

.ref-badge-green {
  background: var(--color-primary);
  color: white;
}

.ref-badge-dark {
  background: #333;
  color: white;
}

.ref-card-body {
  padding: 25px;
}

.ref-card-body h3 {
  margin-bottom: 10px;
  color: #333;
}

.ref-card-body p {
  font-size: 14px;
  color: #666;
  margin-bottom: 15px;
}

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

.ref-card-date {
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 5px;
}

.ref-card-link {
  color: #555;
  font-size: 14px;
  font-weight: 500;
}

.ref-card-link:hover {
  color: var(--color-primary);
}

.ref-cta {
  background: #1a3a2a;
  color: white;
  border-radius: 15px;
  padding: 40px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.ref-cta-icon {
  font-size: 50px;
  margin-bottom: 20px;
}

.ref-cta h3 {
  margin-bottom: 15px;
}

.ref-cta p {
  color: #aaa;
  margin-bottom: 25px;
  max-width: 300px;
}

/* Responsive */
@media (max-width: 1024px) {
  .about-grid,
  .detail-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .process-grid,
  .solutions-grid,
  .advantages-grid,
  .certifications-grid,
  .refs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .header-top .container {
    flex-direction: column;
    text-align: center;
  }
  
  .header-top .contact-info {
    justify-content: center;
  }
  
  .nav-main {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .nav-main.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  }
  
  .hero {
    height: 500px;
  }
  
  .hero-title {
    font-size: 1.8rem;
  }
  
  .hero-desc {
    font-size: 1rem;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .services-grid,
  .testimonials-grid,
  .projects-grid,
  .process-grid,
  .solutions-grid,
  .advantages-grid,
  .certifications-grid,
  .refs-grid {
    grid-template-columns: 1fr;
  }
  
  .highlights-grid {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  
  .detail-stats {
    grid-template-columns: 1fr;
  }
  
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .hero {
    height: 450px;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-cta .btn {
    width: 100%;
    max-width: 250px;
    text-align: center;
  }
  
  section {
    padding: 50px 0;
  }
}