/* ============================================
   GLOBAL STYLES
   ============================================ */

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

:root {
    --primary: #2c5aa0;
    --light-bg: #f8fafc;
    --border: #e2e8f0;
    --text-dark: #1a202c;
    --text-light: #64748b;
    --white: #ffffff;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background: var(--white);
}

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

a:hover {
    text-decoration: underline;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    font-size: 0.95rem;
}

.nav-menu a {
    color: var(--text-light);
    transition: color 0.2s;
}

.nav-menu a:hover {
    color: var(--primary);
    text-decoration: none;
}

@media (max-width: 768px) {
    .nav-menu {
        gap: 1rem;
        font-size: 0.85rem;
    }
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    background: linear-gradient(135deg, var(--primary) 0%, #1e3a5f 100%);
    color: var(--white);
    padding: 5rem 2rem;
    text-align: center;
}

.hero-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.hero-content p {
    font-size: 1.1rem;
    opacity: 0.95;
    max-width: 600px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .hero-content h2 {
        font-size: 1.8rem;
    }
    .hero-content p {
        font-size: 1rem;
    }
}

/* ============================================
   SECTIONS
   ============================================ */

.section {
    padding: 4rem 2rem;
    border-bottom: 1px solid var(--border);
}

.section h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.section h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.section p {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.7;
}

/* ============================================
   MISSION SECTION
   ============================================ */

.mission {
    background: var(--light-bg);
}

/* ============================================
   PROBLEM SECTION
   ============================================ */

.issue-details {
    display: grid;
    gap: 2rem;
    margin-top: 2rem;
}

.issue-point {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.issue-point ul {
    margin: 1rem 0 0 1.5rem;
    color: var(--text-light);
}

.issue-point li {
    margin-bottom: 0.75rem;
}

/* ============================================
   APPROACH SECTION
   ============================================ */

.approach {
    background: var(--light-bg);
}

.approach > .container > p {
    font-size: 1.05rem;
    margin-bottom: 2rem;
    color: var(--text-light);
}

.steps {
    display: grid;
    gap: 2rem;
    margin: 2rem 0;
}

.step {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    display: grid;
    grid-template-columns: 50px 1fr;
    gap: 1.5rem;
    align-items: start;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    font-weight: 600;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.step h3 {
    margin-top: 0;
    margin-bottom: 0.75rem;
}

.step p {
    margin-bottom: 0;
}

/* ============================================
   RESOURCES/LINKS SECTION
   ============================================ */

.resources {
    background: var(--white);
}

.resource-list {
    display: grid;
    gap: 1rem;
    margin-top: 1.5rem;
}

.resource-item {
    background: var(--light-bg);
    padding: 1rem;
    border-radius: 6px;
    border-left: 4px solid var(--primary);
    transition: all 0.2s ease;
}

.resource-item:hover {
    background: var(--border);
    transform: translateX(4px);
}

.resource-item a {
    font-weight: 500;
    color: var(--primary);
}

.resource-item p {
    margin: 0.5rem 0 0 0;
    font-size: 0.95rem;
}

/* ============================================
   FOOTER
   ============================================ */

footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 3rem 2rem 1rem;
    text-align: center;
    border-top: 1px solid var(--border);
}

footer p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0.5rem;
}

footer a {
    color: #93c5e8;
}

footer a:hover {
    color: var(--white);
    text-decoration: underline;
}

footer .footer-content {
    max-width: 900px;
    margin: 0 auto;
}

footer .footer-links {
    margin: 1.5rem 0;
}

footer .footer-links a {
    display: inline-block;
    margin: 0 1rem;
    font-size: 0.9rem;
}

footer .divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.2);
    margin: 2rem 0 1rem 0;
}

footer .copyright {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ============================================
   BUTTONS & CALL-TO-ACTION
   ============================================ */

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--primary);
    color: var(--white);
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
    text-decoration: none;
    font-size: 0.95rem;
}

.btn:hover {
    background: #1e3a5f;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(44, 90, 160, 0.25);
}

.btn-secondary {
    background: var(--light-bg);
    color: var(--primary);
    border: 1px solid var(--border);
}

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

/* ============================================
   UTILITY CLASSES
   ============================================ */

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

.text-light {
    color: var(--text-light);
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.px-2 { padding: 0 2rem; }
.py-2 { padding: 2rem 0; }

/* ============================================
   ACCESSIBILITY & RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .section {
        padding: 2.5rem 1.5rem;
    }

    .section h2 {
        font-size: 1.5rem;
    }

    .section h3 {
        font-size: 1.1rem;
    }

    .nav-menu {
        gap: 0.75rem;
        font-size: 0.8rem;
    }

    .step {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    footer .footer-links a {
        display: block;
        margin: 0.5rem 0;
    }
}

@media (max-width: 480px) {
    .hero-content h2 {
        font-size: 1.5rem;
    }

    .section h2 {
        font-size: 1.3rem;
    }

    .container {
        padding: 0 1rem;
    }

    .nav-container {
        padding: 0.75rem 1rem;
    }

    .logo h1 {
        font-size: 1rem;
    }

    .nav-menu {
        gap: 0.5rem;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    .navbar, footer {
        display: none;
    }

    body {
        background: var(--white);
    }

    a {
        text-decoration: underline;
    }
}

/* ============================================
   DARK MODE (OPTIONAL)
   ============================================ */

@media (prefers-color-scheme: dark) {
    :root {
        --light-bg: #1a202c;
        --border: #2d3748;
        --text-dark: #f8fafc;
        --text-light: #cbd5e0;
        --white: #0f1419;
    }

    body {
        background: var(--white);
    }

    .navbar {
        border-bottom-color: var(--border);
    }

    .issue-point,
    .step {
        background: #2d3748;
        border-color: var(--border);
    }

    .resource-item {
        background: #2d3748;
        border-left-color: #93c5e8;
    }
}