/* =========================
   Theme Colors (Extended)
========================= */
:root {
  --primary: #e63946;        /* Strong red for energy */
  --primary-light: #ff6b6b;  /* Lighter red for hover/accents */
  --primary-dark: #b71c1c;   /* Darker red for depth */

  --secondary: #1d3557;      /* Deep navy for professionalism */
  --secondary-light: #457b9d;/* Lighter navy for hover/accents */
  --secondary-dark: #0a192f; /* Darker navy for depth */

  --accent: #f1faee;         /* Clean off-white for contrast */
  --dark: #222;              /* Neutral dark grey */
  --light: #f8f9fa;          /* Soft light background */
}

/* =========================
   Global Styles
========================= */
body {
  font-family: 'Poppins', sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  color: var(--dark);
  background: var(--light);
}

/* =========================
   Navigation Bar
========================= */
.main-nav {
  background: var(--secondary);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.main-nav a {
  color: var(--accent);
  margin: 0 1.2rem;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

.main-nav a:hover {
  color: var(--primary-light);
}

.main-nav a.active {
  font-weight: 700;
}

.main-nav a.active::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

.main-nav a.active:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Hamburger Menu */
.hamburger {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 1.5rem;
  cursor: pointer;
  display: none;
}

.hamburger.active i {
  color: var(--primary-light);
}

.nav-links {
  display: flex;
}

.nav-links.show {
  display: flex;
  flex-direction: column;
  margin-top: 1rem;
  animation: slideDown 0.3s ease forwards;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive Nav */
@media (max-width: 768px) {
  .main-nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .hamburger {
    display: block;
  }

  .nav-links {
    display: none;
    width: 100%;
    text-align: center;
    background: var(--secondary-dark);
    border-radius: 6px;
    padding: 1rem;
  }

  .nav-links a {
    display: block;
    margin: 0.8rem 0;
  }
}

/* =========================
   Hero Section
========================= */
.hero {
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  min-height: 75vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: var(--accent);
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  text-shadow: 0 2px 6px rgba(0,0,0,0.4);
}
.hero p {
  max-width: 600px;
  margin-top: 1rem;
  font-size: 1.2rem;
}
.hero .btn {
  animation: fadeInUp 1s ease forwards;
}
.hero .btn:nth-child(2) {
  animation-delay: 0.3s;
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* =========================
   Buttons
========================= */
button, .btn {
  background: var(--primary);
  color: #fff;
  padding: 12px 26px;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}
button:hover, .btn:hover {
  background: var(--secondary-light);
  transform: scale(1.05);
}
.btn.cta {
  background: var(--secondary);
}
.btn.cta:hover {
  background: var(--primary-light);
}

/* =========================
   Sections
========================= */
section {
  padding: 4rem 2rem;
  background: var(--accent);
}
section:nth-child(even) {
  background: #ffffff;
}
section p {
  max-width: 800px;
  margin: 0 auto 1rem;
}

/* =========================
   Headings
========================= */
h2 {
  color: var(--secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1.5rem;
}
h2::after {
  content: "";
  display: block;
  width: 60px;
  height: 4px;
  background: var(--primary);
  margin-top: 0.5rem;
}

/* =========================
   Cards Layout
========================= */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}
.card {
  background: #fff;
  border-radius: 8px;
  padding: 2rem;
  text-align: center;
  min-height: 240px;
  box-shadow: 0 6px 12px rgba(0,0,0,0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 24px rgba(0,0,0,0.15);
  background: #fdfdfd;
}
.card i {
  color: var(--primary);
  font-size: 2.2rem;
  margin-bottom: 15px;
  transition: color 0.3s ease;
}
.card:hover i {
  color: var(--secondary-light);
}
.card h3 {
  margin-bottom: 0.5rem;
  color: var(--secondary);
  font-size: 1.3rem;
}

/* =========================
   Footer
========================= */
footer {
  background: var(--secondary);
  color: var(--accent);
  text-align: center;
  padding: 2rem;
}
footer a {
  color: var(--primary-light);
  text-decoration: none;
  transition: color 0.3s ease;
}
footer a:hover {
  color: var(--accent);
}
.social-links a {
  margin: 0 0.5rem;
  color: var(--accent);
  transition: transform 0.3s ease, color 0.3s ease;
}
.social-links a:hover {
  transform: scale(1.2);
  color: var(--primary-light);
}

/* =========================
   Responsive Adjustments
========================= */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }
  section {
    padding: 3rem 1.5rem;
  }
  .cards {
    grid-template-columns: 1fr;
  }
}