:root {
    --primary: #0F766E;
    --primary-dark: #0a5c55;
    --secondary: #10B981;
    --accent: #F59E0B;
    --bg-light: #F9FAFB;
    --text-dark: #111827;
    --text-muted: #4b5563;
    --border: #E5E7EB;
    --card-bg: #ffffff;
    --shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 12px 24px rgba(15, 118, 110, 0.12);
    --border-radius: 16px;
    --transition: all 0.3s ease;

    /* Variables required by base.css */
    --earth-green: #0F766E;
    /* Using primary color to match theme */
    --warm-terracotta: #F59E0B;
    /* Using accent color to match theme */
    --white: #FFFFFF;
    --dark-text: #111827;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 5rem 0;
}

h1,
h2,
h3 {
    font-weight: 700;
    color: var(--text-dark);
}

h2 {
    font-size: 2.4rem;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 4px;
    background-color: var(--accent);
    border-radius: 4px;
}

.btn {
    display: inline-block;
    background-color: var(--accent);
    color: var(--text-dark);
    font-weight: 600;
    padding: 0.9rem 2.2rem;
    border-radius: 40px;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1.05rem;
    box-shadow: 0 4px 10px rgba(245, 158, 11, 0.2);
}

.btn:hover {
    background-color: #e68900;
    transform: scale(1.02);
    box-shadow: 0 8px 18px rgba(245, 158, 11, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    box-shadow: none;
}

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

/* Scroll reveal animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ----- Hero Section ----- */
.hero {
    background: linear-gradient(rgba(15, 118, 110, 0.1), rgba(15, 118, 110, 0.1)), url('https://images.unsplash.com/photo-1527689368864-3a821dbcc34e?w=1600&auto=format') center/cover no-repeat;
    min-height: 70vh;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--text-dark);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-content h1 {
    font-size: 3.8rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--text-muted);
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.2rem;
}

.hero-buttons .btn {
    min-width: 200px;
}

/* ----- Why Partner Cards ----- */
.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
}

.why-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 2rem 1.5rem;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    text-align: center;
    border: 1px solid var(--border);
}

.why-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.why-card i {
    font-size: 2.8rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.why-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.why-card p {
    color: var(--text-muted);
}

/* ----- Existing Partners (adapted) ----- */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.partner-logo {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 2rem 1rem;
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    border: 1px solid var(--border);
}

.partner-logo:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.partner-logo img {
    max-width: 120px;
    height: auto;
    margin-bottom: 1rem;
    filter: grayscale(30%);
    transition: filter 0.3s;
}

.partner-logo:hover img {
    filter: grayscale(0%);
}

.partner-logo h3 {
    font-size: 1rem;
    color: var(--text-muted);
}

.partners-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 1rem;
    color: var(--text-muted);
}

/* ----- Types of Partnership ----- */
.types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 2rem;
}

.type-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 2rem 1rem;
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    border: 1px solid var(--border);
}

.type-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.type-card i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.type-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.3rem;
}

.type-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ----- Partnership Form ----- */
.form-card {
    background: var(--card-bg);
    border-radius: 32px;
    padding: 2.5rem;
    box-shadow: var(--shadow-soft);
    max-width: 900px;
    margin: 0 auto;
    border: 1px solid var(--border);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 500;
    margin-bottom: 0.4rem;
    color: var(--text-dark);
}

.required::after {
    content: "*";
    color: #dc2626;
    margin-left: 4px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.8rem 1rem;
    border: 1.5px solid var(--border);
    border-radius: 30px;
    font-size: 1rem;
    transition: var(--transition);
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--secondary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 0.5rem;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.checkbox-item input[type="checkbox"] {
    accent-color: var(--secondary);
    width: 1.2rem;
    height: 1.2rem;
    transition: var(--transition);
}

.checkbox-item input[type="checkbox"]:hover {
    accent-color: var(--primary);
}

.checkbox-group label {
    font-weight: 400;
}

.file-upload {
    border: 2px dashed var(--border);
    border-radius: 30px;
    padding: 1rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.file-upload:hover {
    border-color: var(--primary);
    background-color: #f3f4f6;
}

.file-upload input {
    display: none;
}

.consent-group {
    margin: 1.5rem 0;
}

.consent-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.consent-group input[type="checkbox"] {
    accent-color: var(--secondary);
    width: 1.2rem;
    height: 1.2rem;
}

.form-submit {
    text-align: center;
}

.btn-submit {
    background-color: var(--primary);
    color: white;
    padding: 1.2rem 3rem;
    font-size: 1.2rem;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(15, 118, 110, 0.2);
}

.btn-submit:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(15, 118, 110, 0.2);
}

.btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* ----- Impact Stats ----- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 2rem;
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 2rem 1rem;
    text-align: center;
    box-shadow: var(--shadow-soft);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    color: var(--text-muted);
}

/* ----- Direct Contact ----- */
.contact-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2rem;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    background: var(--card-bg);
    padding: 1rem 2rem;
    border-radius: 40px;
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    transition: var(--transition);
    border: 1px solid var(--border);
}

.contact-btn:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    h1 {
        font-size: 2.8rem;
    }

    h2 {
        font-size: 2rem;
    }

    .hero {
        min-height: 60vh;
    }

    .hero-content p {
        font-size: 1.2rem;
    }

    .form-card {
        padding: 1.8rem;
    }

    .checkbox-group {
        flex-direction: column;
        gap: 0.8rem;
    }

    .contact-buttons {
        flex-direction: column;
        align-items: center;
    }

    .contact-btn {
        width: 80%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .btn {
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
    }
}

/* Notification popup */
.popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    padding: 2rem;
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    text-align: center;
    display: none;
}

.popup.show {
    display: block;
}

.popup i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.popup .success {
    color: var(--secondary);
}

.popup .error {
    color: #dc2626;
}