@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css');

:root {
  /* Palette: #2C3E50 (Dark Blue), #1ABC9C (Teal), #ECF0F1 (Light), #BDC3C7 (Grey) */
  --primary-color: #2C3E50;
  --secondary-color: #1ABC9C;
  --accent-color: #16A085;
  --light-color: #F8FAFB;
  --dark-color: #2C3E50;
  --gradient-primary: linear-gradient(135deg, #2C3E50 0%, #34495E 100%);
  --hover-color: #16A085;
  --background-color: #ECF0F1;
  --text-color: #2C3E50;
  --border-color: rgba(44, 62, 80, 0.1);
  --divider-color: rgba(26, 188, 156, 0.2);
  --shadow-color: rgba(44, 62, 80, 0.15);
  --highlight-color: #E67E22; /* Complementary Orange */
  
  --main-font: 'Merriweather', serif;
  --alt-font: 'Open Sans', sans-serif;
}

/* Base Setup */
body {
    font-family: var(--alt-font);
    color: var(--text-color);
    background-color: var(--background-color);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--main-font);
    font-weight: 700;
}

/* Header & Nav (No JS Toggle) */
header {
    background-color: var(--dark-color);
    color: #fff;
    padding: 1rem 0;
    position: relative;
    z-index: 50;
}
header a { color: #fff; transition: 0.3s; }
header a:hover { color: var(--secondary-color); }

/* Hamburger Menu Logic */
#nav-toggle { display: none; }
.nav-toggle-label { display: none; cursor: pointer; font-size: 1.5rem; }

@media (max-width: 768px) {
    .nav-toggle-label { display: block; position: absolute; right: 20px; top: 20px; }
    .navigation ul {
        display: none;
        flex-direction: column;
        background-color: var(--dark-color);
        width: 100%;
        position: absolute;
        top: 100%;
        left: 0;
        padding: 1rem 0;
    }
    .navigation ul li { text-align: center; padding: 10px 0; }
    #nav-toggle:checked ~ .navigation ul { display: flex; }
}

/* Neumorphism Cards */
.neu-card {
    background: var(--background-color);
    border-radius: 15px;
    box-shadow:  7px 7px 14px rgba(0,0,0,0.1),
                 -7px -7px 14px rgba(255,255,255,0.8);
    border: 1px solid rgba(255,255,255,0.5);
    padding: 2rem;
    transition: transform 0.3s ease;
}
.neu-card:hover { transform: translateY(-5px); }

/* Buttons */
.btn-primary {
    background: var(--gradient-primary);
    color: white;
    padding: 12px 30px;
    border-radius: 50px;
    box-shadow: 0 4px 6px var(--shadow-color);
    transition: all 0.3s ease;
    display: inline-block;
    font-weight: bold;
}
.btn-primary:hover {
    background: var(--hover-color);
    box-shadow: 0 6px 12px var(--shadow-color);
}

/* Section Specifics */
.hero-section {
    min-height: 70vh; /* Config variable */
    display: flex;
    align-items: center;
    position: relative;
}

/* Timeline Feature */
.timeline-item {
    border-left: 4px solid var(--secondary-color);
    padding-left: 20px;
    margin-bottom: 30px;
    position: relative;
}
.timeline-item::before {
    content: '';
    width: 16px;
    height: 16px;
    background: var(--secondary-color);
    border-radius: 50%;
    position: absolute;
    left: -10px;
    top: 5px;
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: var(--light-color);
    padding: 3rem 0;
}
footer a { color: var(--light-color); opacity: 0.8; }
footer a:hover { opacity: 1; text-decoration: underline; }

/* Form */
input, textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: #f9f9f9;
    box-shadow: inset 2px 2px 5px rgba(0,0,0,0.05);
}