:root {
  --bg-deep: #000102;
  --bg-card: #111111;
  --bg-card-hover: #1a1a1a;
  --border-color: #2B2B2B;
  --text-main: #F5F7FA;
  --text-muted: #A0A5B1;
  --accent-cyan: #00F0FF;
  --accent-cyan-hover: #00c8d6;
  --font-family: 'Poppins', sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--bg-deep);
  color: var(--text-main);
  font-family: var(--font-family);
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* NAVBAR */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(0, 1, 2, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.5px;
}

.nav-brand img {
  height: 42px;
  width: auto;
  border-radius: 4px;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-link {
  color: var(--text-muted);
  font-weight: 500;
  transition: color 0.3s;
}

.nav-link:hover {
  color: var(--accent-cyan);
}

.btn-cta {
  background: var(--accent-cyan);
  color: var(--bg-deep);
  padding: 0.6rem 1.4rem;
  border-radius: 50px;
  font-weight: 600;
  transition: all 0.3s ease;
  display: inline-block;
  text-align: center;
}

.btn-cta:hover {
  background: var(--accent-cyan-hover);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
  transform: translateY(-2px);
}

/* HERO VIDEO */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8rem 5% 4rem;
  overflow: hidden;
}

.video-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translate(-50%, -50%);
  object-fit: cover;
  z-index: -2;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(17, 17, 17, 0.7) 0%, rgba(0, 1, 2, 0.95) 100%);
  z-index: -1;
}

.hero-content {
  max-width: 850px;
}

.badge {
  display: inline-block;
  background: rgba(0, 240, 255, 0.1);
  color: var(--accent-cyan);
  border: 1px solid var(--accent-cyan);
  padding: 0.3rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  letter-spacing: 1px;
}

.hero h1 {
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
  line-height: 1.2;
}

.hero h1 span {
  color: var(--accent-cyan);
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-secondary {
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-main);
  padding: 0.6rem 1.4rem;
  border-radius: 50px;
  font-weight: 600;
  transition: all 0.3s;
}

.btn-secondary:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* CAROUSEL */
.carousel-section {
  padding: 4rem 5%;
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.section-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section-header h2 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.carousel-container {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  gap: 1.5rem;
  transition: transform 0.4s ease-in-out;
}

.carousel-card {
  min-width: calc(33.333% - 1rem);
  background: var(--bg-deep);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.3s, border-color 0.3s;
  display: flex;
  flex-direction: column;
}

.carousel-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-cyan);
}

.card-img-placeholder {
  height: 180px;
  background: linear-gradient(135deg, #111111 0%, #2B2B2B 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 2.5rem;
}

.card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-body h3 {
  font-size: 1.2rem;
  margin-bottom: 0.7rem;
}

.card-body p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.2rem;
  flex-grow: 1;
}

.carousel-controls {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.carousel-btn {
  background: var(--bg-deep);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.6rem 1rem;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s;
}

.carousel-btn:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* BLOG LAYOUT (WITH SIDEBAR) */
.blog-layout {
  display: grid;
  grid-template-columns: 2.5fr 1fr;
  gap: 2.5rem;
  max-width: 1200px;
  margin: 6rem auto 4rem;
  padding: 0 5%;
}

.blog-article {
  background: var(--bg-card);
  padding: 2.5rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.blog-article h1 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
  color: var(--accent-cyan);
}

.blog-meta {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.blog-content h2 {
  margin: 1.8rem 0 0.8rem;
  font-size: 1.4rem;
}

.blog-content p {
  margin-bottom: 1.2rem;
  color: var(--text-muted);
}

.blog-content ul {
  margin: 1rem 0 1.5rem 1.5rem;
  color: var(--text-muted);
}

.blog-content li {
  margin-bottom: 0.5rem;
}

/* SIDEBAR BANNER */
.sidebar-banner {
  position: sticky;
  top: 90px;
  background: linear-gradient(180deg, #111111 0%, #000102 100%);
  border: 1px solid var(--accent-cyan);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.15);
}

.sidebar-banner h3 {
  font-size: 1.3rem;
  margin-bottom: 0.8rem;
  color: var(--text-main);
}

.sidebar-banner p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

/* WHATSAPP FLOAT BUTTON */
.whatsapp-float {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background-color: #25d366;
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
  z-index: 1000;
  transition: transform 0.3s;
}

.whatsapp-float:hover {
  transform: scale(1.1);
}

/* FOOTER */
footer {
  text-align: center;
  padding: 3rem 5%;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .blog-layout {
    grid-template-columns: 1fr;
  }
  .carousel-card {
    min-width: calc(100% - 0.5rem);
  }
  .hero h1 {
    font-size: 2.1rem;
  }
}