@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Playfair+Display:wght@700&display=swap');

:root {
    --primary: #1e40af; /* Navy Blue */
    --primary-light: #3b82f6; 
    --secondary: #475569; /* Slate Gray */
    --background: #ffffff;
    --surface: #f8fafc;
    --text: #0f172a;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --accent: #2563eb;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background);
    color: var(--text);
    line-height: 1.7;
}

h1, h2, h3, h4 {
    font-family: 'Playfair Display', serif;
    color: var(--text);
    margin-bottom: 1rem;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 120px 0;
}

/* Header & Nav */
header {
    background: #fff;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1.25rem 0;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s;
}

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

/* Hero */
.hero {
    background: linear-gradient(135deg, #f1f5f9 0%, #ffffff 100%);
    padding: 160px 0;
    border-bottom: 1px solid var(--border);
}

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

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 2rem;
}

.hero p {
    font-size: 1.25rem;
    color: var(--secondary);
    margin-bottom: 3rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 4px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

.btn-outline {
    border: 1.5px solid var(--primary);
    color: var(--primary);
    margin-left: 1rem;
}

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

/* Cards */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
}

.card {
    background: #fff;
    padding: 3rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: box-shadow 0.3s, transform 0.3s;
}

.card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-5px);
}

.card h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

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

/* Methodology / How it Works */
.steps {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.step {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 2rem;
}

.step-num {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    color: var(--border);
    line-height: 1;
}

/* Forms */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--secondary);
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

/* Admin Tabs */
.tabs {
    display: flex;
    gap: 2rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 2rem;
}

.tab {
    padding: 1rem 0;
    color: var(--secondary);
    cursor: pointer;
    font-weight: 600;
}

.tab.active {
    color: var(--primary);
    border-bottom: 2px solid var(--primary);
}

/* Footer */
footer {
    padding: 80px 0;
    background: #0f172a;
    color: #cbd5e1;
}

footer a {
    color: #fff;
    text-decoration: none;
}

footer h4 {
    color: #fff;
    margin-bottom: 1.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .contact-grid { grid-template-columns: 1fr; }
    .nav-links { display: none; }
}