:root {
    /* Colors - Updated to match IHEETS Logo */
    --primary-color: #26462C;
    /* Dark Forest Green (Text) */
    --secondary-color: #6EA03F;
    /* Leaf Green (Icon) */
    --accent-color: #F8C300;
    /* Golden Yellow (Bars) */

    --text-dark: #1F2937;
    --text-light: #5f6c7b;
    --bg-light: #F9FAFB;
    --white-10: rgba(255, 255, 255, 0.1);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, #163020 100%);

    /* Fonts */
    --font-heading: 'Inter', 'Unbounded', sans-serif;
    --font-body: 'Open Sans', sans-serif;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
}

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    background-color: var(--bg-light);
    -webkit-font-smoothing: antialiased;
}

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

/* Bootstrap Overrides */
.text-primary {
    color: var(--primary-color) !important;
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: var(--gradient-primary);
    opacity: 0.95;
}

.btn-outline-primary {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.text-teal {
    color: var(--secondary-color) !important;
}

.bg-soft-teal {
    background-color: rgba(110, 160, 63, 0.1) !important;
}

/* Navbar */
.glass-header {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    padding: 15px 0;
}

.nav-link {
    font-weight: 500;
    color: var(--text-dark);
    font-size: 0.95rem;
}

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

.fs-xs {
    font-size: 0.7em;
}

/* Hero */
.hero {
    min-height: 85vh;
    margin-top: 76px;
    /* Offset fixed header */
    background: linear-gradient(rgba(38, 70, 44, 0.9), rgba(38, 70, 44, 0.8)), url('https://images.unsplash.com/photo-1579684385136-157d254b9d1b?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    overflow: hidden;
    color: white;
}

.hero::before {
    display: none;
    /* Remove the old blur circle */
}

/* Cards */
.highlight-card {
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.05) !important;
    border-radius: 1rem !important;
}

.highlight-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1) !important;
    border-color: var(--secondary-color) !important;
}

.research-card {
    transition: all 0.3s ease;
    background: white;
}

.research-card:hover {
    border-color: var(--secondary-color) !important;
    box-shadow: var(--shadow-sm);
    color: var(--primary-color);
}

.research-card:hover .icon-circle {
    background: var(--primary-color) !important;
}

.research-card:hover .icon-circle i {
    color: white !important;
}

/* Footer Colors */
.bg-dark {
    background-color: #122116 !important;
}

.hover-white:hover {
    color: white !important;
}

.bg-white-10 {
    background-color: rgba(255, 255, 255, 0.1);
}

.letter-spacing-1 {
    letter-spacing: 1px;
}

/* Social Links */
.social-links a:hover {
    background-color: var(--accent-color);
}

/* Animations */
.fadeInUp {
    animation: fadeInUp 1s ease-out forwards;
    opacity: 0;
}

.slideInDown {
    animation: slideInDown 1s ease-out forwards;
    opacity: 0;
}

.fadeInLeft {
    animation: fadeInLeft 1s ease-out forwards;
    opacity: 0;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.bg-accent {
    background-color: var(--accent-color) !important;
}