/* ===========================
   Root Colors & Typography
=========================== */
:root {
  --brand: #e63946;
  --accent: #f3722c;
  --gradient: linear-gradient(135deg,#e63946,#f3722c);
  --dark: #1d1f23;
  --light: #f8f9fa;
  --muted: #6c757d;
  --radius: 12px;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--light);
  color: var(--dark);
  margin: 0; padding: 0;
  line-height: 1.6;
}

a { text-decoration: none; transition: 0.3s; }
a:hover { opacity: 0.85; }

h1,h2,h3,h4 { margin-bottom: 1rem; font-weight: 600; }

/* ===========================
   Top Contact Bar
=========================== */
.top-bar {
  background: var(--brand);
  color: #fff;
  font-size: 0.9rem;
  padding: 0.35rem 6%;
}
.top-bar-content {
  display: flex;
  justify-content: flex-end;
  gap: 2rem;
  flex-wrap: wrap;
  text-align: center;
}
.top-bar-content a { color: #fff; text-decoration: underline; }
.top-bar-content a:hover { opacity: 0.8; }

/* ===========================
   Header
=========================== */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 3%;
  background: #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,0.06);
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: #000;
}

.brand-link img {
  height: 60px;
  width: 60px;
  object-fit: contain;
}

.main-nav {
  display: flex;
  gap: 1.5rem;
}

.main-nav a {
  text-decoration: none;
  color: #333;
  font-weight: 500;
}

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

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.8rem;
  cursor: pointer;
}

/* ===========================
   Hero Section
=========================== */
.hero {
  position: relative;
  height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  background: url('images/hero-bg.jpg') center/cover no-repeat;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.4);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero-content h2 { font-size: 3rem; margin-bottom: 1rem; }
.hero-content p { font-size: 1.2rem; margin-bottom: 1.5rem; }

.btn {
  display: inline-block;
  background: var(--gradient);
  color: #fff;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.3s, box-shadow 0.3s;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

/* ===========================
   About & Features Section
=========================== */
.about-main {
  padding: 4rem 6%;
  background: #f4f4f4;
}

.about-intro { margin-bottom: 2rem; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(220px,1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}

.feature-card {
  background: #fff;
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: 0 6px 18px rgba(0,0,0,0.08);
  transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 24px rgba(0,0,0,0.12);
}

.feature-card h4 { color: var(--brand); margin-bottom: 0.5rem; }

/* ===========================
   Accordion
=========================== */
.accordion-header {
  background: var(--brand);
  color: #fff;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  margin-top: 1rem;
  font-weight: 600;
}

.accordion-body {
  display: none;
  padding: 0 1rem;
  background: #fff;
  border-radius: var(--radius);
  margin-bottom: 1rem;
}

/* ===========================
   Brands Carousel
=========================== */
.brands-carousel {
  padding: 6rem 6%;
  background: #f8f9fa;
  text-align: center;
}

.brands-carousel h3 { margin-bottom: 1.5rem; color: var(--brand); }

.carousel-container {
  overflow: hidden;
  width: 100%;
}

.carousel-track {
  display: flex;
  width: calc(6 * 25%);
  animation: scroll 20s linear infinite;
}

.carousel-item {
  flex: 0 0 25%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.carousel-item img {
  max-width: 90%;
  height: auto;
  object-fit: contain;
}

.carousel-item p {
  margin-top: 0.5rem;
  font-weight: 500;
  color: #333;
}

@keyframes scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.carousel-container:hover .carousel-track {
  animation-play-state: paused;
}

/* ===========================
   Footer
=========================== */
footer {
  background: var(--dark);
  color: #fff;
  padding: 2rem 6%;
}

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

.footer-grid nav a { color: #fff; margin-right: 1rem; }

/* ===========================
   WhatsApp Button
=========================== */
.whatsapp-btn {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.5rem 1rem;
  background: #25D366;
  color: #fff;
  border-radius: var(--radius);
  font-weight: 600;
}

/* ===========================
   Responsive
=========================== */
@media(max-width:900px){
  .main-nav {
    display: none;
    flex-direction: column;
    width: 100%;
    background: #fff;
    position: absolute;
    top: 100%;
    left: 0;
    padding: 1rem 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  }
  .main-nav.open { display: flex; }
  .menu-toggle { display: block; }
  .hero { height: 60vh; }
  .features-grid { grid-template-columns: 1fr; }
}

@media(max-width:480px){
  .hero-content h2 { font-size: 1.8rem; }
  .feature-card h4 { font-size: 1rem; }
  .carousel-item { flex: 0 0 100%; }
}