/* Base styling */
:root {
    /* Mint green accent */
    --color-primary: #C9DEB1;
    --color-primary-dark: #b8d0a6;
    --color-primary-light: #dbead1;
    /* Gradient helpers */
    --gradient-hero: linear-gradient(to bottom, var(--color-background-alt), var(--color-background));
    --gradient-cta: linear-gradient(to right, var(--color-primary), var(--color-primary-dark));
    --gradient-footer: linear-gradient(to bottom, var(--color-background-alt), var(--color-background));
    /* Dark theme backgrounds */
    --color-background: #0F172A;
    --color-background-alt: #1E293B;
    /* Text colours */
    --color-text: #CBD5E1;
    --color-heading: #FFFFFF;
}

body {
    font-family: 'Open Sans', Roboto, Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: var(--color-background);
    color: var(--color-text);
}

p {
    color: var(--color-text);
    font-size: 1rem;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    color: var(--color-heading);
    font-weight: 700;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
    color: var(--color-primary-light);
}

/* Navigation */
.navbar {
    background: var(--color-background);
    color: var(--color-text);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .brand  {
    display: flex;
    align-items: center;
}

.navbar .brand img {
    height: 125px;
    width: auto;
    margin-right: 8px;
}

.navbar .brand span {
    color: var(--color-text);
    font-weight: 700;
    font-size: 1.2em;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 20px;
}

.nav-links a {
    color: var(--color-text);
}

/* Mobile menu */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-text);
    font-size: 24px;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        background: var(--color-background);
    }
    .nav-links li {
        margin: 10px 0;
        text-align: center;
    }
    .menu-toggle {
        display: block;
    }
}

.nav-links.active {
    display: flex;
}

/* Hero section */
.hero {
    background: var(--gradient-hero);
    padding: 80px 20px;
    text-align: center;
}

/* Hero section with background image */
.hero-image {
    color: var(--color-text);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* Gradient background for heroes without images */
.hero-gradient {
    background: var(--gradient-hero);
}

.hero-image h1,
.hero-image p {
    color: var(--color-text);
    text-shadow: 0 0 5px rgba(0, 0, 0, 0.6);
}

.hero h1,
.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #FFFFFF;
    max-width: 60ch;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 768px) {
    .hero h1,
    .hero-title {
        font-size: 4rem;
    }
}

.highlight {
    color: #10B981;
}

.btn-primary {
    background: var(--gradient-cta);
    color: #000;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    font-size: 1em;
    cursor: pointer;
    transition: background 0.3s ease;
}

.btn-primary:hover {
    background: linear-gradient(to right, var(--color-primary-dark), var(--color-primary-light));
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    padding: 10px 20px;
    border-radius: 4px;
    font-size: 1em;
    cursor: pointer;
    transition: background 0.3s ease;
}

.btn-donate {
    background: #10B981;
    color: #FFFFFF;
    padding: 12px 24px;
    border-radius: 9999px;
    font-size: 1em;
    cursor: pointer;
    transition: background 0.3s ease;
}

.btn-donate:hover {
    background: #0FA372;
}

.btn-view {
    background: transparent;
    border: 2px solid #10B981;
    color: #10B981;
    padding: 12px 24px;
    border-radius: 9999px;
    font-size: 1em;
    cursor: pointer;
    transition: background 0.3s ease, color 0.3s ease;
}

.btn-view:hover {
    background: #10B981;
    color: #FFFFFF;
}

.btn-outline:hover {
    background: var(--gradient-cta);
    color: #000;
}

.section {
    padding: 60px 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.section.light {
    background: var(--color-background);
}

.section.alt {
    background: var(--color-background-alt);
}

/* Call-to-action sections */
.cta {
    background: var(--gradient-cta);
    text-align: center;
    color: #000;
}

.card {
    background: var(--color-background-alt);
    color: var(--color-text);
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.5);
    padding: 20px;
}

.footer {
    background: var(--gradient-footer);
    color: var(--color-text);
    padding: 20px;
    text-align: center;
}

.footer a {
    color: var(--color-primary);
}

.accent {
    color: var(--color-primary);
}

/* Forms */
form {
    max-width: 600px;
    margin: 0 auto;
}

input, textarea, select {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #555;
    border-radius: 4px;
    box-sizing: border-box;
    background: var(--color-background-alt);
    color: var(--color-text);
}

input[type="submit"], button[type="submit"] {
    background: var(--gradient-cta);
    color: #000;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s ease;
}

input[type="submit"]:hover, button[type="submit"]:hover {
    background: linear-gradient(to right, var(--color-primary-dark), var(--color-primary-light));
}