/* ============================================================
   ENTREPRISE MULTIPLE NG — styles.css
   Palette : #2C2C2C | #E8751A | #F5F5F0 | #FFFFFF
   ============================================================ */

/* ---------- Variables ---------- */
:root {
  --dark:    #1A1A1A;
  --orange:  #E8B020;
  --orange-dark: #C8971A;
  --cream:   #F5F0E8;
  --white:   #FFFFFF;
  --gray:    #6B6B6B;
  --light-gray: #E0D9C8;
  --font: 'Montserrat', sans-serif;
  --shadow: 0 8px 32px rgba(0,0,0,0.12);
  --radius: 8px;
  --transition: 0.3s ease;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  background: var(--cream);
  color: var(--dark);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button, input, select, textarea {
  font-family: var(--font);
  font-size: 1rem;
}

/* ---------- Utilities ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section-pad { padding: 96px 0; }
.section-pad-sm { padding: 64px 0; }

.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--dark);
  margin-bottom: 20px;
}
.section-title span { color: var(--orange); }
.section-subtitle {
  font-size: 1.05rem;
  color: var(--gray);
  max-width: 580px;
  line-height: 1.7;
}
.text-center { text-align: center; }
.text-center .section-subtitle { margin: 0 auto; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
}
.btn-primary {
  background: var(--orange);
  color: var(--white);
  border-color: var(--orange);
}
.btn-primary:hover {
  background: var(--orange-dark);
  border-color: var(--orange-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232,117,26,0.35);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--dark);
  transform: translateY(-2px);
}
.btn-dark {
  background: var(--dark);
  color: var(--white);
  border-color: var(--dark);
}
.btn-dark:hover {
  background: var(--orange);
  border-color: var(--orange);
  transform: translateY(-2px);
}

/* ---------- Scroll animation ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up.delay-1 { transition-delay: 0.1s; }
.fade-up.delay-2 { transition-delay: 0.2s; }
.fade-up.delay-3 { transition-delay: 0.3s; }
.fade-up.delay-4 { transition-delay: 0.4s; }
.fade-up.delay-5 { transition-delay: 0.5s; }

/* ============================================================
   HEADER
   ============================================================ */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}
#header.scrolled {
  background: var(--dark);
  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
  padding: 12px 0;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.logo-icon svg { display: block; }
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.logo-text .brand {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.02em;
}
.logo-text .tagline {
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--orange);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

nav { display: flex; align-items: center; gap: 8px; }
.nav-link {
  color: rgba(255,255,255,0.85);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 4px;
  transition: color var(--transition), background var(--transition);
  letter-spacing: 0.03em;
}
.nav-link:hover, .nav-link.active {
  color: var(--white);
  background: rgba(255,255,255,0.1);
}
.nav-cta {
  background: var(--orange);
  color: var(--white) !important;
  padding: 9px 20px;
  border-radius: var(--radius);
}
.nav-cta:hover {
  background: var(--orange-dark) !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 1100;
}
.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Mobile Nav ---------- */
@media (max-width: 900px) {
  .hamburger { display: flex; }
  nav {
    position: fixed;
    top: 0; right: -100%;
    width: min(320px, 80vw);
    height: 100vh;
    background: var(--dark);
    flex-direction: column;
    align-items: flex-start;
    padding: 90px 32px 40px;
    gap: 4px;
    transition: right 0.4s cubic-bezier(.77,0,.18,1);
    box-shadow: -8px 0 32px rgba(0,0,0,0.25);
  }
  nav.open { right: 0; }
  .nav-link {
    font-size: 1.1rem;
    padding: 12px 0;
    width: 100%;
    border-radius: 0;
    border-bottom: 1px solid rgba(255,255,255,0.07);
  }
  .nav-cta {
    margin-top: 16px;
    width: 100%;
    text-align: center;
    border-radius: var(--radius) !important;
    border-bottom: none !important;
    padding: 12px 20px !important;
  }
  .nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
  }
  .nav-overlay.visible {
    opacity: 1;
    pointer-events: all;
  }
}

/* ============================================================
   HERO
   ============================================================ */
#accueil {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('https://images.unsplash.com/photo-1504307651254-35680f356dfd?w=1920&q=80&auto=format&fit=crop');
  background-size: cover;
  background-position: center 30%;
  filter: brightness(0.45);
  transform: scale(1.05);
  transition: transform 8s ease;
}
#accueil.loaded .hero-bg { transform: scale(1); }
.hero-content {
  position: relative;
  z-index: 1;
  padding: 140px 0 80px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(232,117,26,0.2);
  border: 1px solid rgba(232,117,26,0.5);
  color: #FFB87A;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 8px 18px;
  border-radius: 100px;
  margin-bottom: 28px;
}
.hero-badge::before {
  content: '';
  width: 8px; height: 8px;
  background: var(--orange);
  border-radius: 50%;
}
.hero-title {
  font-size: clamp(2.4rem, 5.5vw, 4.5rem);
  font-weight: 900;
  line-height: 1.08;
  color: var(--white);
  margin-bottom: 24px;
  max-width: 800px;
}
.hero-title .highlight {
  color: var(--orange);
  position: relative;
}
.hero-desc {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: rgba(255,255,255,0.82);
  max-width: 560px;
  line-height: 1.75;
  margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 64px; }
.hero-trust {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.75);
  font-size: 0.88rem;
}
.hero-trust-item svg { flex-shrink: 0; }

/* ============================================================
   STATS BAR
   ============================================================ */
#stats {
  background: var(--dark);
  padding: 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 3px solid var(--orange);
}
.stat-item {
  padding: 40px 32px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,0.08);
  transition: background var(--transition);
}
.stat-item:last-child { border-right: none; }
.stat-item:hover { background: rgba(232,117,26,0.08); }
.stat-number {
  font-size: 3rem;
  font-weight: 900;
  color: var(--orange);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ============================================================
   SERVICES
   ============================================================ */
#services { background: var(--cream); }
.services-header {
  margin-bottom: 64px;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  background: var(--white);
  border-radius: 12px;
  padding: 40px 32px;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
  border-bottom: 4px solid transparent;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--orange);
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-bottom-color: var(--orange);
}
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 56px; height: 56px;
  background: rgba(232,117,26,0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: background var(--transition);
}
.service-card:hover .service-icon {
  background: var(--orange);
}
.service-card:hover .service-icon svg path,
.service-card:hover .service-icon svg rect,
.service-card:hover .service-icon svg polygon,
.service-card:hover .service-icon svg circle {
  stroke: var(--white);
}
.service-icon svg { flex-shrink: 0; }
.service-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
}
.service-desc {
  font-size: 0.92rem;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 20px;
}
.service-link {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--orange);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition);
}
.service-link:hover { gap: 10px; }

/* ============================================================
   À PROPOS
   ============================================================ */
#apropos { background: var(--white); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-images {
  position: relative;
  height: 540px;
}
.about-img-main {
  position: absolute;
  top: 0; left: 0;
  width: 75%;
  height: 85%;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: var(--shadow);
}
.about-img-secondary {
  position: absolute;
  bottom: 0; right: 0;
  width: 55%;
  height: 50%;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: var(--shadow);
  border: 5px solid var(--white);
}
.about-badge {
  position: absolute;
  top: 50%; left: 60%;
  transform: translate(-50%, -50%);
  background: var(--orange);
  color: var(--white);
  border-radius: 12px;
  padding: 20px 24px;
  text-align: center;
  box-shadow: 0 8px 24px rgba(232,117,26,0.4);
  z-index: 2;
}
.about-badge .num {
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 1;
}
.about-badge .txt {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.9;
  margin-top: 4px;
}
.about-content .section-subtitle { margin-bottom: 32px; }
.values-list { display: flex; flex-direction: column; gap: 16px; margin-bottom: 36px; }
.value-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.value-icon {
  width: 40px; height: 40px;
  background: rgba(232,117,26,0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}
.value-text h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}
.value-text p {
  font-size: 0.88rem;
  color: var(--gray);
  line-height: 1.6;
}

/* ============================================================
   RÉALISATIONS / PORTFOLIO
   ============================================================ */
#realisations { background: var(--cream); }
.portfolio-header { margin-bottom: 48px; }
.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 32px;
}
.filter-btn {
  padding: 9px 22px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid var(--light-gray);
  background: transparent;
  color: var(--gray);
  transition: all var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--white);
}
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.portfolio-item {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  transition: transform var(--transition);
}
.portfolio-item:hover { transform: scale(1.02); }
.portfolio-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.portfolio-item:hover img { transform: scale(1.08); }
.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(44,44,44,0.92) 0%, rgba(44,44,44,0) 60%);
  opacity: 0;
  transition: opacity var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
}
.portfolio-item:hover .portfolio-overlay { opacity: 1; }
.portfolio-tag {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 6px;
}
.portfolio-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
}
.portfolio-item.hidden {
  display: none;
}

/* ============================================================
   TÉMOIGNAGES
   ============================================================ */
#temoignages {
  background: var(--dark);
  color: var(--white);
}
#temoignages .section-title { color: var(--white); }
#temoignages .section-subtitle { color: rgba(255,255,255,0.6); }
.testimonials-wrapper { position: relative; margin-top: 56px; }
.testimonials-track {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 900px;
  margin: 0 auto;
}
.testimonial-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 36px 32px;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
}
.testimonial-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(232,117,26,0.3);
  transform: translateY(-4px);
}
.testimonial-card .testimonial-author {
  margin-top: auto;
  padding-top: 24px;
}
.stars {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
}
.star { color: var(--orange); font-size: 1.1rem; }
.testimonial-text {
  font-size: 0.97rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.75;
  margin-bottom: 28px;
  font-style: italic;
}
.testimonial-text::before { content: '\201C'; }
.testimonial-text::after  { content: '\201D'; }
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}
.author-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(232,117,26,0.5);
}
.author-name {
  font-size: 0.93rem;
  font-weight: 700;
  color: var(--white);
}
.author-role {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
  margin-top: 2px;
}

/* ============================================================
   CONTACT
   ============================================================ */
#contact { background: var(--cream); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 72px;
  align-items: start;
}
.contact-info { padding-top: 8px; }
.contact-info .section-subtitle { margin-bottom: 40px; }
.contact-details { display: flex; flex-direction: column; gap: 24px; margin-bottom: 40px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.contact-icon {
  width: 48px; height: 48px;
  background: var(--orange);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-item-text h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray);
  margin-bottom: 4px;
}
.contact-item-text p, .contact-item-text a {
  font-size: 0.97rem;
  font-weight: 600;
  color: var(--dark);
}
.contact-item-text a:hover { color: var(--orange); }

.contact-form-card {
  background: var(--white);
  border-radius: 16px;
  padding: 48px 44px;
  box-shadow: var(--shadow);
}
.contact-form-card h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 32px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.83rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}
.form-group label span { color: var(--orange); }
.form-control {
  width: 100%;
  padding: 13px 16px;
  border: 2px solid var(--light-gray);
  border-radius: var(--radius);
  color: var(--dark);
  background: var(--cream);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  font-size: 0.93rem;
}
.form-control:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(232,117,26,0.12);
  background: var(--white);
}
.form-control.error { border-color: #E84040; }
.form-control.success { border-color: #28A745; }
select.form-control {
  cursor: pointer;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%236B6B6B' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}
textarea.form-control { resize: vertical; min-height: 120px; }
.error-msg {
  font-size: 0.78rem;
  color: #E84040;
  margin-top: 5px;
  display: none;
}
.error-msg.show { display: block; }

.form-submit { margin-top: 8px; }
.form-submit .btn { width: 100%; justify-content: center; padding: 15px 32px; }

.form-success {
  display: none;
  text-align: center;
  padding: 32px;
}
.form-success.show { display: block; }
.form-success svg { margin: 0 auto 16px; }
.form-success h4 { font-size: 1.2rem; font-weight: 800; color: var(--dark); margin-bottom: 8px; }
.form-success p { color: var(--gray); }

/* Map placeholder */
.map-placeholder {
  margin-top: 40px;
  border-radius: 12px;
  overflow: hidden;
  height: 220px;
  background: #D4D3CF;
  position: relative;
  border: 2px solid var(--light-gray);
}
.map-placeholder iframe {
  width: 100%; height: 100%;
  border: none;
  filter: grayscale(40%);
}

/* ============================================================
   FOOTER
   ============================================================ */
#footer {
  background: #1A1A1A;
  color: rgba(255,255,255,0.65);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo { margin-bottom: 20px; }
.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.7;
  max-width: 280px;
  margin-bottom: 24px;
}
.social-links { display: flex; gap: 10px; }
.social-link {
  width: 38px; height: 38px;
  background: rgba(255,255,255,0.07);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), transform var(--transition);
}
.social-link:hover {
  background: var(--orange);
  transform: translateY(-3px);
}
.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 20px;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition), padding-left var(--transition);
}
.footer-links a:hover {
  color: var(--orange);
  padding-left: 6px;
}
.footer-contact-item {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 0.88rem;
}
.footer-contact-item svg { flex-shrink: 0; margin-top: 2px; }
.footer-contact-item a:hover { color: var(--orange); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  font-size: 0.82rem;
}
.footer-bottom a { color: var(--orange); }
.footer-bottom a:hover { text-decoration: underline; }

/* ============================================================
   BACK TO TOP
   ============================================================ */
#back-to-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 48px; height: 48px;
  background: var(--orange);
  color: var(--white);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(232,117,26,0.4);
  z-index: 900;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: all var(--transition);
}
#back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}
#back-to-top:hover {
  background: var(--orange-dark);
  transform: translateY(-3px);
}

/* ============================================================
   DIVIDERS
   ============================================================ */
.divider {
  width: 48px; height: 4px;
  background: var(--orange);
  border-radius: 2px;
  margin-bottom: 24px;
}
.divider-center { margin: 0 auto 24px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { gap: 48px; }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-track { grid-template-columns: 1fr; gap: 20px; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid { grid-template-columns: 1fr 1fr; row-gap: 40px; }
}

@media (max-width: 768px) {
  .section-pad { padding: 72px 0; }
  .hero-title { font-size: clamp(2rem, 6vw, 3rem); }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { justify-content: center; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .about-images { height: 320px; order: -1; }
  .portfolio-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-card { padding: 32px 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .testimonials-track { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .filter-bar { gap: 8px; }
  .filter-btn { padding: 7px 16px; font-size: 0.8rem; }
  #back-to-top { bottom: 20px; right: 20px; }
}