/* === 1. Variables & Reset === */
:root {
  --primary: #3a86ff;
  --primary-dark: #265dbe;
  --text-dark: #1e1e1e;
  --text-muted: #555;
  --bg-light: #f4f6fa;
  --white: #ffffff;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --radius: 8px;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', sans-serif; }

body { background: var(--bg-light); color: var(--text-dark); overflow-x: hidden; }

/* Utility Class for centering content */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* === 2. Navbar === */
.navbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 15px 5%; background: var(--white);
  box-shadow: 0 2px 15px rgba(0,0,0,0.04);
  position: sticky; top: 0; z-index: 100;
}

.logo { font-size: 1.6rem; font-weight: 800; color: var(--text-dark); letter-spacing: -0.5px; }
.logo span { color: var(--primary); }

.nav-links a {
  margin-left: 25px; text-decoration: none; color: var(--text-dark);
  font-weight: 600; font-size: 0.95rem; transition: 0.2s;
}
.nav-links a:hover { color: var(--primary); }

/* Buttons */
.btn-primary {
  background: var(--primary); color: #fff !important;
  padding: 10px 24px; border-radius: var(--radius); text-decoration: none;
  font-weight: 600; transition: 0.3s; display: inline-block; border: none; cursor: pointer;
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 5px 15px rgba(58, 134, 255, 0.3); }

.btn-outline {
  border: 2px solid var(--primary); color: var(--primary) !important;
  padding: 8px 22px; border-radius: var(--radius); text-decoration: none;
  font-weight: 600; transition: 0.3s; display: inline-block;
}
.btn-outline:hover { background: var(--primary); color: #fff !important; }

/* === 3. Hero Section === */
.hero {
  display: flex; align-items: center; justify-content: space-between;
  padding: 100px 5%; background: linear-gradient(135deg, #f7f9fc 0%, #eef3ff 100%);
  min-height: 90vh;
}

.hero-content { max-width: 600px; }
.hero-content h1 {
  font-size: 3rem; line-height: 1.2; margin-bottom: 20px; color: var(--text-dark);
}
.hero-content p {
  font-size: 1.1rem; color: var(--text-muted); margin-bottom: 35px; line-height: 1.6;
}

/* Hero Button Grouping */
.cta-group { display: flex; gap: 15px; align-items: center; flex-wrap: wrap; }
.cta-label { font-size: 0.85rem; color: #888; width: 100%; margin-bottom: 5px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px;}

.hero-image { flex: 1; display: flex; justify-content: center; }
.hero-image img { width: 100%; max-width: 500px; animation: float 5s ease-in-out infinite; }

@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-15px); } }

/* === 4. Features === */
.features { padding: 80px 5%; background: var(--white); text-align: center; }
.section-title { font-size: 2rem; margin-bottom: 15px; }
.section-subtitle { color: var(--text-muted); margin-bottom: 50px; max-width: 600px; margin-left: auto; margin-right: auto;}

.feature-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px;
  max-width: 1200px; margin: 0 auto;
}

.feature-card {
  background: var(--bg-light); padding: 35px 25px; border-radius: 12px;
  transition: 0.3s; border: 1px solid transparent;
}
.feature-card:hover {
  background: var(--white); transform: translateY(-10px);
  box-shadow: var(--shadow); border-color: #e1e5ee;
}
.feature-icon {
  font-size: 2.5rem; color: var(--primary); margin-bottom: 20px;
}
.feature-card h3 { margin-bottom: 10px; font-size: 1.25rem; }

/* === 5. About Section === */
.about { padding: 100px 5%; background: var(--bg-light); }
.about-wrapper {
  display: flex; align-items: center; gap: 60px; max-width: 1100px; margin: 0 auto;
}
.about-text { flex: 1; }
.about-image { flex: 1; }
.about-image img {
  width: 100%; border-radius: 15px; box-shadow: var(--shadow);
}

/* === 6. Footer === */
.footer {
  background: var(--text-dark); color: #bbb; padding: 30px;
  text-align: center; font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 900px) {
  .hero { flex-direction: column-reverse; text-align: center; padding-top: 40px; }
  .hero-content { margin-bottom: 40px; }
  .cta-group { justify-content: center; }
  .about-wrapper { flex-direction: column; }
  .navbar nav { display: none; } /* You might need a mobile menu script later */
}

/* HIDE BURGER ON DESKTOP */
.menu-btn {
    display: none;
    font-size: 28px;
    cursor: pointer;
    z-index: 2001;
}

/* DESKTOP NAVBAR FIX */
.nav-links {
    display: flex;
    gap: 25px;
}

/* ============================
   MOBILE SIDEBAR NAVIGATION
============================ */
@media (max-width: 900px) {

    /* Show burger */
    .menu-btn {
        display: block;
    }

    /* Sidebar styles */
    .nav-links {
        position: fixed;
        top: 0;
        left: -260px; /* hidden */
        width: 260px;
        height: 100vh;
        background: #fff;
        padding-top: 90px;
        flex-direction: column;
        gap: 20px;
        box-shadow: 2px 0 10px rgba(0,0,0,0.1);
        transition: left 0.35s ease;
        z-index: 2000;
        display: flex;
    }

    /* Sidebar visible */
    .nav-links.active {
        left: 0;
    }

    /* Hide desktop nav */
    .navbar nav {
        display: none;
    }

    /* Show mobile sidebar only when active */
    #mobileNav {
        display: flex;
    }

    .nav-links a {
        font-size: 1.2rem;
        width: 100%;
        padding: 12px 25px;
        color: var(--text-dark);
    }

    /* Prevent layout breaking */
    .navbar {
        justify-content: space-between;
    }
}