@charset "UTF-8";
/* CSS Document */
/* ================================================================
TABLE OF CONTENTS:
1. VARIABLES & RESET
2. TYPOGRAPHY & UTILITIES
3. BUTTONS & UI ELEMENTS
4. HEADER & TOPBAR
5. STICKY NAVIGATION
6. HERO SECTION
7. SERVICES COMPONENTS
8. ABOUT & PROCESS SECTION
9. CONTACT FORM STYLING
10. FOOTER & WIDGETS
11. ANIMATIONS & KEYFRAMES
12. MEDIA QUERIES (RESPONSIVE)
================================================================
*/ :root {
  --rt-primary: #ff5e14;
  --rt-primary-rgb: 255, 94, 20;
  --rt-secondary: #0f172a;
  --rt-dark: #070b13;
  --rt-body: #64748b;
  --rt-heading: #1e293b;
  --rt-white: #ffffff;
  --rt-bg-light: #f8fafc;
  --rt-border: #e2e8f0;
  --rt-transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --rt-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}
/* 1. RESET & BASE */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: 'Poppins', sans-serif;
  font-size: 16px;
  color: var(--rt-body);
  background-color: var(--rt-white);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 {
  font-family: 'Roboto', sans-serif;
  color: var(--rt-heading);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 20px;
}
a {
  text-decoration: none;
  transition: var(--rt-transition);
  color: inherit;
}
ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
img {
  max-width: 100%;
  height: auto;
}
/* 2. UTILITIES (Classes de structure) */
.rt-section-padding {
  padding: 120px 0;
}
.rt-section-title-wrapper {
  margin-bottom: 60px;
  position: relative;
}
.rt-section-subtitle {
  color: var(--rt-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 600;
  display: block;
  margin-bottom: 10px;
}
.rt-mb-20 {
  margin-bottom: 20px;
}
.rt-mb-40 {
  margin-bottom: 40px;
}
.rt-bg-grey {
  background-color: var(--rt-bg-light);
}
.rt-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:url(../images/couvreur.webp);
    background-repeat: no-repeat;
    background-position: 0px -400px;
}
/* 3. BUTTONS */
.rt-btn {
  display: inline-block;
  padding: 16px 35px;
  border-radius: 5px;
  font-weight: 600;
  font-size: 15px;
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
  z-index: 1;
  border: none;
  cursor: pointer;
}
.rt-btn-primary {
  background-color: var(--rt-primary);
  color: var(--rt-white);
}
.rt-btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--rt-secondary);
  transition: var(--rt-transition);
  z-index: -1;
}
.rt-btn-primary:hover::after {
  left: 0;
}
.rt-btn-secondary {
  background-color: var(--rt-secondary);
  color: var(--rt-white);
}
/* 4. TOPBAR */
.rt-topbar {
  background: var(--rt-secondary);
  color: var(--rt-white);
  padding: 12px 0;
  font-size: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.rt-top-info span {
  margin-right: 25px;
}
.rt-top-info i {
  color: var(--rt-primary);
  margin-right: 8px;
}
.rt-top-social a {
  margin-left: 15px;
  opacity: 0.8;
}
.rt-top-social a:hover {
  opacity: 1;
  color: var(--rt-primary);
}
/* 5. NAVIGATION */
.rt-header-nav {
  background: var(--rt-white);
  transition: var(--rt-transition);
  padding: 20px 0;
}
.rt-sticky-active {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 999;
  box-shadow: var(--rt-shadow);
  animation: slideDown 0.5s ease;
  padding: 12px 0;
}
.rt-nav-link {
  font-weight: 600;
  color: var(--rt-secondary);
  padding: 10px 15px;
  position: relative;
}
.rt-nav-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 15px;
  width: 0;
  height: 2px;
  background: var(--rt-primary);
  transition: var(--rt-transition);
}
.rt-nav-link:hover::before, .rt-nav-link.active::before {
  width: calc(100% - 30px);
}
/* 6. HERO SECTION */
.rt-hero-section {
  position: relative;
  height: 90vh;
  min-height: 700px;
  background: url('https://images.unsplash.com/photo-1635424710928-0544e851b941?q=80&w=2070') no-repeat center center/cover;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.rt-hero-content {
  position: relative;
  z-index: 2;
  color: var(--rt-white);
}
.rt-hero-title {
  font-size: 70px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 30px;
  animation: fadeInUp 1s both;
}
.rt-hero-desc {
  font-size: 20px;
  opacity: 0.9;
  margin-bottom: 40px;
  animation: fadeInUp 1s both 0.3s;
}
/* 7. SERVICES CARDS */
.rt-service-item {
  background: var(--rt-white);
  padding: 50px 40px;
  border-radius: 10px;
  box-shadow: var(--rt-shadow);
  transition: var(--rt-transition);
  position: relative;
  overflow: hidden;
  text-align: center;
  height: 100%;
}
.rt-service-item:hover {
  transform: translateY(-12px);
  background: var(--rt-secondary);
}
.rt-service-icon {
  width: 90px;
  height: 90px;
  background: rgba(255, 94, 20, 0.1);
  color: var(--rt-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 35px;
  border-radius: 50%;
  margin: 0 auto 30px;
  transition: var(--rt-transition);
}
.rt-service-item:hover .rt-service-icon {
  background: var(--rt-primary);
  color: var(--rt-white);
  transform: rotateY(360deg);
}
.rt-service-item:hover h3, .rt-service-item:hover p {
  color: var(--rt-white);
}
/* 8. PROCESS SECTION */
.rt-process-step {
  position: relative;
  text-align: center;
}
.rt-process-number {
  font-size: 60px;
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 1px var(--rt-primary);
  opacity: 0.3;
  display: block;
  line-height: 1;
  margin-bottom: -30px;
}
/* 9. FORM & CONTACT */
.rt-contact-box {
  background: var(--rt-white);
  padding: 60px;
  border-radius: 15px;
  box-shadow: var(--rt-shadow);
}
.rt-form-group {
  margin-bottom: 25px;
}
.rt-form-control {
  width: 100%;
  padding: 15px 25px;
  background: var(--rt-bg-light);
  border: 1px solid var(--rt-border);
  border-radius: 5px;
  outline: none;
  transition: var(--rt-transition);
}
.rt-form-control:focus {
  border-color: var(--rt-primary);
  background: var(--rt-white);
}
/* 10. FOOTER */
.rt-footer {
  background: var(--rt-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 100px 0 30px;
}
.rt-footer-title {
  color: var(--rt-white);
  font-size: 22px;
  margin-bottom: 35px;
  position: relative;
}
.rt-footer-title::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--rt-primary);
}
.rt-footer-link {
  display: block;
  margin-bottom: 15px;
  transition: var(--rt-transition);
}
.rt-footer-link:hover {
  color: var(--rt-primary);
  transform: translateX(10px);
}
/* 11. ANIMATIONS */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes slideDown {
  from {
    transform: translateY(-100%);
  }
  to {
    transform: translateY(0);
  }
}
/* 12. RESPONSIVE */
@media (max-width: 991px) {
  .rt-hero-title {
    font-size: 45px;
  }
  .rt-section-padding {
    padding: 80px 0;
  }
}
@media (max-width: 767px) {
  .rt-topbar {
    display: none;
  }
  .rt-hero-title {
    font-size: 35px;
  }
}