/*
   empowerKind - Trust Built Into Giving
   Design System: Calm, Premium, Minimal
   Colors sampled from logo: Navy (#1E3A5C) and Sage Green (#7BA05B)
*/

:root {
    /* Brand Colors - Sampled from Logo */
    --navy: #1E3A5C;
    --navy-dark: #152a42;
    --sage: #7BA05B;
    --sage-light: #8fb06d;

    /* Neutrals */
    --bg: #FAFAF9;
    --bg-alt: #F5F5F4;
    --white: #FFFFFF;
    --text: #1C1C1C;
    --text-muted: #6B7280;
    --border: #E5E7EB;

    /* Semantic */
    --success: #7BA05B;
    --warning: #D97706;
    --error: #DC2626;

    /* Spacing (8px grid) */
    --space-1: 8px;
    --space-2: 16px;
    --space-3: 24px;
    --space-4: 32px;
    --space-5: 40px;
    --space-6: 48px;
    --space-8: 64px;
    --space-10: 80px;

    /* Typography */
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SF Mono', Monaco, monospace;
}

/* Reset */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
}

/* Typography */
h1,
h2,
h3,
h4,
h5 {
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 2.75rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.125rem;
}

h5 {
    font-size: 1rem;
}

p {
    margin-bottom: var(--space-2);
}

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

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

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

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

/* Layout */
.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 var(--space-3);
}

.container-sm {
    max-width: 680px;
    margin: 0 auto;
    padding: 0 var(--space-3);
}

section {
    padding: var(--space-10) 0;
}

.section-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--sage);
    margin-bottom: var(--space-1);
}

/* Grid */
.grid {
    display: grid;
    gap: var(--space-4);
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-size: 0.875rem;
    font-weight: 600;
    border: none;
    border-radius: 6px;
    transition: all 0.2s ease;
}

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

.btn-primary:hover {
    background: var(--navy-dark);
}

.btn-sage {
    background: var(--sage);
    color: var(--white);
}

.btn-sage:hover {
    background: var(--sage-light);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--navy);
    color: var(--navy);
}

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

.btn-sm {
    padding: 10px 20px;
    font-size: 0.8125rem;
}

/* Cards */
.card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: var(--space-4);
}

.card-hover:hover {
    border-color: var(--sage);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

/* Pills / Badges */
.pill {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 100px;
    background: var(--bg-alt);
    color: var(--text-muted);
}

.pill-verified {
    background: rgba(123, 160, 91, 0.1);
    color: var(--sage);
}

.pill-pending {
    background: rgba(217, 119, 6, 0.1);
    color: var(--warning);
}

/* ==================== */
/* HEADER               */
/* ==================== */
header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: var(--space-2) 0;
}

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

.logo img {
    height: 36px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: color 0.2s;
}

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

.nav-cta {
    margin-left: var(--space-3);
}

/* ==================== */
/* HERO                 */
/* ==================== */
.hero {
    padding: var(--space-10) 0;
    text-align: center;
    background: var(--white);
}

.hero-logo {
    width: 200px;
    margin: 0 auto var(--space-5);
}

.hero h1 {
    margin-bottom: var(--space-2);
}

.hero h1 .navy {
    color: var(--navy);
}

.hero h1 .sage {
    color: var(--sage);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 500px;
    margin: 0 auto var(--space-5);
}

.hero-btns {
    display: flex;
    gap: var(--space-2);
    justify-content: center;
    flex-wrap: wrap;
}

/* ==================== */
/* AUDIENCE CARDS       */
/* ==================== */
.audience-section {
    background: var(--bg);
}

.audience-card {
    text-align: center;
    padding: var(--space-5);
}

.audience-card h3 {
    color: var(--navy);
    margin-bottom: var(--space-1);
}

.audience-card p {
    color: var(--text-muted);
    font-size: 0.9375rem;
}

/* ==================== */
/* TRUST STRIP          */
/* ==================== */
.trust-strip {
    background: var(--white);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: var(--space-5) 0;
}

.trust-items {
    display: flex;
    justify-content: center;
    gap: var(--space-8);
    flex-wrap: wrap;
}

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

.trust-item strong {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 4px;
}

.trust-item span {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* ==================== */
/* FEATURED SECTION     */
/* ==================== */
.featured-section {
    background: var(--bg);
}

.initiative-card {
    display: flex;
    flex-direction: column;
}

.initiative-card .card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-2);
}

.initiative-card h4 {
    color: var(--navy);
}

.initiative-card .outcome {
    font-size: 0.9375rem;
    color: var(--text-muted);
    margin-bottom: var(--space-3);
    flex-grow: 1;
}

.progress-bar {
    height: 6px;
    background: var(--bg-alt);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: var(--space-1);
}

.progress-bar-fill {
    height: 100%;
    background: var(--sage);
    border-radius: 3px;
}

.progress-text {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* ==================== */
/* FORMS                */
/* ==================== */
.form-container {
    max-width: 560px;
    margin: 0 auto;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: var(--space-5);
}

.form-group {
    margin-bottom: var(--space-3);
}

.form-group label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: var(--space-1);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
    font-family: inherit;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg);
    color: var(--text);
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--sage);
    background: var(--white);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
}

.form-helper {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.form-submit {
    width: 100%;
    margin-top: var(--space-2);
}

#formSuccess {
    display: none;
    text-align: center;
    padding: var(--space-5);
}

#formSuccess h3 {
    color: var(--sage);
    margin-bottom: var(--space-1);
}

/* ==================== */
/* FOOTER               */
/* ==================== */
footer {
    background: var(--navy);
    color: var(--white);
    padding: var(--space-6) 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: var(--space-5);
}

.footer-brand img {
    height: 32px;
    margin-bottom: var(--space-2);
    filter: brightness(0) invert(1);
}

.footer-tagline {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    max-width: 280px;
}

.footer-links {
    display: flex;
    gap: var(--space-6);
}

.footer-col h5 {
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-2);
    color: rgba(255, 255, 255, 0.5);
}

.footer-col a {
    display: block;
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-1);
    transition: color 0.2s;
}

.footer-col a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: var(--space-5);
    padding-top: var(--space-3);
    text-align: center;
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ==================== */
/* PAGE HEADER          */
/* ==================== */
.page-header {
    background: var(--white);
    padding: var(--space-6) 0;
    border-bottom: 1px solid var(--border);
    text-align: center;
}

.page-header h1 {
    margin-bottom: var(--space-1);
}

.page-header p {
    color: var(--text-muted);
    max-width: 500px;
    margin: 0 auto;
}

/* ==================== */
/* EXPLORE GRID         */
/* ==================== */
.explore-section {
    background: var(--bg);
}

.nonprofit-card {
    display: flex;
    gap: var(--space-3);
}

.nonprofit-logo {
    width: 64px;
    height: 64px;
    background: var(--bg-alt);
    border-radius: 8px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-muted);
}

.nonprofit-info h4 {
    color: var(--navy);
    margin-bottom: 4px;
}

.nonprofit-meta {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: var(--space-1);
}

.nonprofit-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tag {
    font-size: 0.75rem;
    padding: 2px 8px;
    background: var(--bg-alt);
    border-radius: 4px;
    color: var(--text-muted);
}

/* ==================== */
/* RESPONSIVE           */
/* ==================== */
@media (max-width: 900px) {

    .grid-3,
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .nav-links {
        display: none;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }
}

@media (max-width: 600px) {
    section {
        padding: var(--space-6) 0;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .hero-btns {
        flex-direction: column;
        align-items: center;
    }

    .footer-content {
        flex-direction: column;
    }

    .footer-links {
        flex-direction: column;
        gap: var(--space-4);
    }

    .trust-items {
        flex-direction: column;
        gap: var(--space-3);
    }
}

/* Focus states for accessibility */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--sage);
    outline-offset: 2px;
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--navy);
    color: var(--white);
    padding: 12px 24px;
    border-radius: 4px;
    z-index: 9999;
}

.skip-link:focus {
    top: 12px;
}