/* ==========================================================================
   KYANSI PARISH DATA MANAGEMENT SYSTEM
   Landing page stylesheet
   ========================================================================== */

/* -------------------- 1. Reset & base -------------------- */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Spectral', Georgia, 'Times New Roman', serif;
    color: var(--text);
    line-height: 1.2;
    margin: 0 0 0.6em;
    font-weight: 600;
}

p {
    margin: 0 0 1em;
    line-height: 1.65;
    color: var(--text-muted);
}

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

ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

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

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

.container {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--primary);
    color: #fff;
    padding: 12px 18px;
    z-index: 1000;
    border-radius: 0 0 8px 0;
}
.skip-link:focus {
    left: 0;
}

:focus-visible {
    outline: 3px solid var(--focus-ring);
    outline-offset: 2px;
}

/* -------------------- 2. Theme tokens -------------------- */
:root {
    /* Core palette */
    --primary: #17497A;
    --primary-dark: #0E3155;
    --secondary: #4E93C7;
    --accent-green: #2F8F5B;

    /* Sector colors */
    --sector-hospital: #1D6FB8;
    --sector-church: #6B4E9C;
    --sector-school: #2F8F5B;
    --sector-farm: #C4732B;

    /* Surfaces */
    --bg: #FFFFFF;
    --bg-alt: #F2F7FB;
    --surface: #FFFFFF;
    --surface-border: #DCE7F0;

    /* Text */
    --text: #10233B;
    --text-muted: #435368;
    --text-on-primary: #FFFFFF;

    --focus-ring: #2F8F5B;
    --shadow: 0 10px 30px -12px rgba(16, 35, 59, 0.18);

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;

    --transition: 200ms ease;
}

[data-theme="dark"] {
    --primary: #5B9BD8;
    --primary-dark: #3E7CB8;
    --secondary: #4E93C7;
    --accent-green: #4CB37F;

    --sector-hospital: #4E9EE3;
    --sector-church: #A084D1;
    --sector-school: #4CB37F;
    --sector-farm: #E08E42;

    --bg: #0C1622;
    --bg-alt: #101E30;
    --surface: #142335;
    --surface-border: #223650;

    --text: #EAF1F8;
    --text-muted: #A9BACB;
    --text-on-primary: #0C1622;

    --shadow: 0 10px 30px -12px rgba(0, 0, 0, 0.55);
}

/* -------------------- 3. Buttons & shared components -------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 22px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    border: 1.5px solid transparent;
    transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.btn:hover {
    transform: translateY(-1px);
}
.btn-primary {
    background: var(--primary);
    color: #fff;
}
.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: var(--shadow);
}
.btn-outline {
    background: transparent;
    border-color: var(--primary);
    color: var(--primary);
}
.btn-outline:hover {
    background: var(--primary);
    color: #fff;
}
.btn-sm {
    padding: 9px 18px;
    font-size: 0.85rem;
}
.btn-block {
    width: 100%;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 14px;
    border-radius: 999px;
    background: var(--bg-alt);
    border: 1px solid var(--surface-border);
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
}

/* Brand mark: 2x2 quadrant motif representing the four sectors */
.brand-mark {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 3px;
    width: 34px;
    height: 34px;
    flex-shrink: 0;
    border-radius: 8px;
    overflow: hidden;
}
.brand-mark span:nth-child(1) { background: var(--sector-hospital); }
.brand-mark span:nth-child(2) { background: var(--sector-church); }
.brand-mark span:nth-child(3) { background: var(--sector-school); }
.brand-mark span:nth-child(4) { background: var(--sector-farm); }

/* -------------------- 4. Header -------------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 500;
    background: var(--surface);
    border-bottom: 1px solid var(--surface-border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    height: 76px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
}
.brand-title {
    font-family: 'Spectral', serif;
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: 0.02em;
    color: var(--text);
}
.brand-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.main-nav ul {
    display: flex;
    gap: 32px;
}
.nav-link {
    font-weight: 500;
    color: var(--text-muted);
    padding: 6px 2px;
    border-bottom: 2px solid transparent;
    transition: color var(--transition), border-color var(--transition);
}
.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    border-color: var(--primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--surface-border);
    background: var(--bg-alt);
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    transition: background var(--transition), transform var(--transition);
}
.theme-toggle:hover {
    background: var(--surface-border);
}

.hamburger {
    display: none;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
}
.hamburger span {
    width: 22px;
    height: 2px;
    background: var(--text);
    transition: transform var(--transition), opacity var(--transition);
}
.hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
    display: none;
    max-height: 0;
    overflow: hidden;
    background: var(--surface);
    border-bottom: 1px solid var(--surface-border);
    transition: max-height var(--transition);
}
.mobile-menu.is-open {
    max-height: 400px;
}
.mobile-menu ul {
    padding: 16px 24px 24px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.mobile-menu .nav-link {
    display: block;
    padding: 8px 0;
    border-bottom: none;
}

/* -------------------- 5. Hero -------------------- */
.hero {
    background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%);
    padding: 72px 0 96px;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 56px;
}

.hero h1 {
    font-size: clamp(2rem, 3.6vw, 2.75rem);
    margin-bottom: 0.5em;
}

.hero-lead {
    font-size: 1.05rem;
    max-width: 46ch;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin: 28px 0 20px;
    max-width: 460px;
}

.login-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 20px;
    background: var(--surface);
    border: 1.5px solid var(--surface-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.login-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}
.login-card-admin:hover { border-color: var(--primary); }
.login-card-entrant:hover { border-color: var(--accent-green); }

.login-card-icon {
    width: 46px;
    height: 46px;
    flex-shrink: 0;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: #fff;
}
.login-card-admin .login-card-icon { background: var(--primary); }
.login-card-entrant .login-card-icon { background: var(--accent-green); }

.login-card-text {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}
.login-card-title {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text);
}
.login-card-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
}
.login-card-arrow {
    color: var(--text-muted);
    transition: transform var(--transition);
}
.login-card:hover .login-card-arrow {
    transform: translateX(4px);
    color: var(--primary);
}

.secure-note {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

/* Hero visual: quadrant sector panel */
.hero-visual {
    display: flex;
    justify-content: center;
}
.sector-panel {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 16px;
    width: 100%;
    max-width: 380px;
    aspect-ratio: 1 / 1;
}
.sector-tile {
    background: var(--surface);
    border: 1.5px solid var(--surface-border);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: var(--shadow);
}
.sector-tile i {
    font-size: 1.6rem;
}
.tile-hospital { color: var(--sector-hospital); }
.tile-church { color: var(--sector-church); }
.tile-school { color: var(--sector-school); }
.tile-farm { color: var(--sector-farm); }

.sector-panel-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    box-shadow: 0 0 0 8px var(--bg), var(--shadow);
}

/* -------------------- 6. Section heading -------------------- */
.section-heading {
    max-width: 640px;
    margin: 0 auto 44px;
    text-align: center;
}
.section-heading h2 {
    font-size: clamp(1.6rem, 2.6vw, 2.1rem);
}
.section-heading p {
    margin: 0;
}

.sectors, .access-levels, .about {
    padding: 88px 0;
}
.sectors { background: var(--bg); }
.access-levels { background: var(--bg-alt); }
.about { background: var(--bg); }

/* -------------------- 7. Sector cards -------------------- */
.sector-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.sector-card {
    background: var(--surface);
    border: 1.5px solid var(--surface-border);
    border-radius: var(--radius-md);
    padding: 30px 26px;
    border-top: 3px solid var(--card-accent, var(--primary));
    transition: transform var(--transition), box-shadow var(--transition);
}
.sector-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}
.sector-card.sector-hospital { --card-accent: var(--sector-hospital); }
.sector-card.sector-church { --card-accent: var(--sector-church); }
.sector-card.sector-school { --card-accent: var(--sector-school); }
.sector-card.sector-farm { --card-accent: var(--sector-farm); }

.sector-card-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 18px;
    background: color-mix(in srgb, var(--card-accent) 14%, transparent);
    color: var(--card-accent);
}
.sector-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.4em;
}
.sector-card p {
    font-size: 0.92rem;
    min-height: 4.6em;
}
.sector-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    margin-top: 6px;
    border-top: 1px solid var(--surface-border);
    font-size: 0.82rem;
}
.sector-folder {
    font-family: 'Inter', sans-serif;
    color: var(--text-muted);
}
.sector-card-footer i {
    color: var(--card-accent);
    transition: transform var(--transition);
}
.sector-card:hover .sector-card-footer i {
    transform: translateX(4px);
}

/* -------------------- 8. Access levels -------------------- */
.access-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}
.access-card {
    background: var(--surface);
    border: 1.5px solid var(--surface-border);
    border-radius: var(--radius-lg);
    padding: 38px;
}
.access-card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    background: var(--bg-alt);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 18px;
}
.access-list {
    margin: 16px 0 26px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.access-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.94rem;
}
.access-list li::before {
    content: '';
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent-green);
    flex-shrink: 0;
}

/* -------------------- 9. About -------------------- */
.about-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}
.about-text p {
    font-size: 1.02rem;
}
.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}
.stat {
    background: var(--bg-alt);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-md);
    padding: 26px 20px;
    text-align: center;
}
.stat-value {
    display: block;
    font-family: 'Spectral', serif;
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 6px;
}
.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* -------------------- 10. Footer -------------------- */
.site-footer {
    background: var(--primary-dark);
    color: #E7EFF7;
}
.footer-inner {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 40px;
    padding: 60px 0 40px;
}
.footer-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}
.footer-title {
    font-family: 'Spectral', serif;
    font-weight: 700;
    margin: 0;
    color: #fff;
}
.footer-subtitle {
    margin: 2px 0 0;
    font-size: 0.85rem;
    color: #B9CBDF;
}
.footer-col h4 {
    color: #fff;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    margin-bottom: 14px;
}
.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-col a {
    color: #B9CBDF;
    font-size: 0.9rem;
    transition: color var(--transition);
}
.footer-col a:hover {
    color: #fff;
}
.footer-tagline p {
    color: #B9CBDF;
    font-size: 0.9rem;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.12);
    padding: 18px 0;
}
.footer-bottom p {
    margin: 0;
    font-size: 0.82rem;
    color: #9FB4CB;
    text-align: center;
}

/* -------------------- 11. Scroll reveal -------------------- */
.reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 500ms ease, transform 500ms ease;
}
.reveal.is-visible {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .btn:hover,
    .login-card:hover,
    .sector-card:hover {
        transform: none;
    }
}

/* -------------------- 12. Responsive breakpoints -------------------- */
@media (max-width: 1024px) {
    .sector-grid {
        grid-template-columns: 1fr 1fr;
    }
    .hero-inner {
        grid-template-columns: 1fr;
    }
    .hero-visual {
        order: -1;
    }
    .sector-panel {
        max-width: 320px;
        margin: 0 auto;
    }
}

@media (max-width: 860px) {
    .main-nav {
        display: none;
    }
    .header-login {
        display: none;
    }
    .hamburger {
        display: flex;
    }
    .mobile-menu {
        display: block;
    }
    .access-grid {
        grid-template-columns: 1fr;
    }
    .about-inner {
        grid-template-columns: 1fr;
    }
    .footer-inner {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .container {
        padding: 0 18px;
    }
    .sector-grid {
        grid-template-columns: 1fr;
    }
    .about-stats {
        grid-template-columns: 1fr 1fr;
    }
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .hero {
        padding: 48px 0 64px;
    }
    .sectors, .access-levels, .about {
        padding: 64px 0;
    }
}