:root {
    /* University of Embu brand colors, sampled from the crest */
    --embu-blue: #37ACE2;
    --embu-blue-dark: #1E6E96;
    --embu-navy: #123A56;
    --embu-green: #248746;
    --embu-green-dark: #1A6234;
    --embu-gold: #FCD726;
    --embu-tan: #BFA159;

    --sand: #F7FAFC;
    --sand-deep: #EAF3F8;
    --rift: var(--embu-blue-dark);
    --rift-dark: var(--embu-navy);
    --indigo: var(--embu-navy);
    --gold: var(--embu-tan);
    --gold-light: #D9BE7C;
    --clay: #A6392A;
    --ink: #1B2126;
    --ink-soft: #4C5560;
    --line: #DCE7EE;
    --success: #248746;
    --error: #A6392A;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Karla', -apple-system, "Segoe UI", sans-serif;
    color: var(--ink);
    background: var(--sand);
    line-height: 1.65;
}

h1, h2, h3, .brand, .hero-theme, .footer-title {
    font-family: 'Fraunces', Georgia, serif;
}

h2 { font-size: 1.7rem; font-weight: 600; }

.wrap {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
}

/* -- Header / nav -------------------------------------------------- */

.site-header {
    background: var(--rift);
    color: var(--sand);
}

.site-header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    padding-bottom: 16px;
    flex-wrap: wrap;
    gap: 10px;
}

.site-header .brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--sand);
    text-decoration: none;
}
.brand-logo { height: 44px; width: auto; display: block; }
.brand-text { font-weight: 600; font-size: 1.1rem; letter-spacing: 0.01em; }
.brand-text em { color: var(--embu-gold); font-style: normal; font-weight: 400; }

.site-header nav a {
    color: var(--sand);
    text-decoration: none;
    margin-left: 18px;
    opacity: 0.85;
    font-size: 0.95rem;
}
.site-header nav a:hover { opacity: 1; text-decoration: underline; }

.site-header nav a.nav-cta {
    background: var(--embu-gold);
    color: var(--embu-navy);
    padding: 7px 16px;
    border-radius: 4px;
    font-weight: 700;
    opacity: 1;
}
.site-header nav a.nav-cta:hover { background: #FFE45C; text-decoration: none; }

main.wrap { padding: 0 24px 60px; }

/* -- Full-bleed helper: breaks a section out of the .wrap container -- */
.breakout {
    width: 100vw;
    position: relative;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
}

/* -- Slider ------------------------------------------------------------ */

.slider {
    position: relative;
    overflow: hidden;
    color: var(--sand);
}

.slide {
    display: none;
    padding: 76px 24px 64px;
    background-size: cover;
    background-position: center;
}
.slide.is-active { display: block; }

.slide-1 { background: linear-gradient(120deg, var(--embu-navy), var(--embu-blue-dark) 70%); }
.slide-2 { background: linear-gradient(120deg, var(--embu-green-dark), var(--embu-green) 75%); }
.slide-3 { background: linear-gradient(120deg, var(--embu-navy), var(--embu-green-dark) 80%); }

.slide-inner { max-width: 780px; margin: 0 auto; }

.hero-kicker {
    font-size: 0.95rem;
    color: var(--embu-gold);
    font-weight: 700;
    margin: 0 0 18px;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 600;
    line-height: 1.1;
    margin: 0 0 14px;
    color: var(--sand);
    max-width: 16ch;
}

.hero-theme {
    font-size: 1.15rem;
    font-style: italic;
    font-weight: 400;
    color: #E4F0F7;
    max-width: 46ch;
    margin: 0 0 30px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.slider-dots {
    position: absolute;
    bottom: 18px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 10px;
    z-index: 2;
}
.slider-dots button {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 1.5px solid rgba(255,255,255,0.7);
    background: transparent;
    padding: 0;
    cursor: pointer;
}
.slider-dots button.is-active { background: var(--embu-gold); border-color: var(--embu-gold); }

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(18,58,86,0.45);
    color: #fff;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    z-index: 2;
}
.slider-arrow:hover { background: rgba(18,58,86,0.7); }
.slider-arrow.prev { left: 16px; }
.slider-arrow.next { right: 16px; }

/* -- Counter (below slider) --------------------------------------------- */

.counter-strip {
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 28px 24px;
}
.counter-inner {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
}
.counter-label {
    font-weight: 700;
    color: var(--embu-navy);
    font-family: 'Fraunces', serif;
    margin-right: 8px;
}

.countdown { display: flex; gap: 14px; flex-wrap: wrap; }

.countdown-unit {
    background: var(--sand-deep);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 10px 16px;
    min-width: 74px;
    text-align: center;
}

.countdown-unit span {
    display: block;
    font-family: 'Fraunces', serif;
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--embu-blue-dark);
}

.countdown-unit label {
    font-size: 0.72rem;
    color: var(--ink-soft);
}

/* -- Buttons ----------------------------------------------------------- */

.btn {
    display: inline-block;
    background: var(--rift);
    color: var(--sand);
    padding: 12px 24px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-family: inherit;
}
.btn:hover { background: var(--rift-dark); }

.btn-gold { background: var(--embu-gold); color: var(--embu-navy); }
.btn-gold:hover { background: #FFE45C; }

.btn-ghost {
    background: transparent;
    color: var(--sand);
    border: 1.5px solid rgba(242,233,216,0.5);
}
.btn-ghost:hover { background: rgba(242,233,216,0.1); border-color: var(--sand); }

.btn-outline {
    background: transparent;
    color: var(--rift);
    border: 1.5px solid var(--rift);
}

/* -- Generic sections --------------------------------------------------- */

section.page-section { padding: 56px 0; border-bottom: 1px solid var(--line); }
section.page-section:last-of-type { border-bottom: none; }

.section-heading { max-width: 640px; margin-bottom: 32px; }
.section-heading h2 { margin-bottom: 10px; }
.section-heading p { color: var(--ink-soft); font-size: 1.05rem; }

/* -- About / theme ------------------------------------------------------ */

.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
    align-items: start;
}

.about-grid p { max-width: 62ch; }

.info-card {
    background: #fff;
    border: 1px solid var(--line);
    border-top: 4px solid var(--embu-blue);
    border-radius: 10px;
    padding: 22px;
    box-shadow: 0 8px 24px rgba(18,58,86,0.06);
}
.info-card dt { font-weight: 600; color: var(--embu-navy); font-size: 0.85rem; margin-top: 14px; }
.info-card dt:first-child { margin-top: 0; }
.info-card dd { margin: 2px 0 0; color: var(--ink-soft); }

/* -- Sub-themes ----------------------------------------------------------- */

.subtheme-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 18px;
}

.subtheme-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 22px;
    box-shadow: 0 6px 18px rgba(18,58,86,0.06);
    border-top: 4px solid var(--embu-green);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.subtheme-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 24px rgba(18,58,86,0.1);
}
.subtheme-card h3 {
    font-size: 1rem;
    font-family: 'Karla', sans-serif;
    font-weight: 700;
    color: var(--embu-navy);
    margin: 0 0 6px;
}
.subtheme-card p { margin: 0; font-size: 0.92rem; color: var(--ink-soft); }

/* -- Speakers -------------------------------------------------------------- */

.speaker-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.speaker-card {
    text-align: center;
    background: #fff;
    border: 1px solid var(--line);
    border-top: 4px solid var(--embu-gold);
    border-radius: 10px;
    padding: 28px 16px;
    box-shadow: 0 6px 18px rgba(18,58,86,0.06);
}

.speaker-avatar {
    width: 64px;
    height: 64px;
    margin: 0 auto 14px;
    border-radius: 50%;
    background: var(--sand-deep);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--rift);
}

.speaker-card h3 { font-size: 1rem; margin: 0 0 4px; color: var(--ink); }
.speaker-card p { margin: 0; font-size: 0.85rem; color: var(--ink-soft); }

/* -- Committee -------------------------------------------------------------- */

.committee-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
}

.committee-row {
    background: #fff;
    border: 1px solid var(--line);
    border-left: 4px solid var(--embu-blue);
    border-radius: 8px;
    padding: 14px 16px;
    box-shadow: 0 4px 14px rgba(18,58,86,0.05);
}
.committee-row .name { display: block; font-weight: 700; color: var(--embu-navy); }
.committee-row .role { display: block; color: var(--ink-soft); font-size: 0.88rem; margin-top: 2px; }

/* -- Registration landing page --------------------------------------------- */

.reg-hero {
    text-align: center;
    padding: 48px 20px 64px;
    background: linear-gradient(120deg, var(--embu-navy), var(--embu-blue-dark) 70%);
}
.reg-badge {
    display: inline-block;
    background: var(--embu-gold);
    color: var(--embu-navy);
    font-weight: 700;
    font-size: 0.78rem;
    letter-spacing: 0.03em;
    padding: 5px 14px;
    border-radius: 20px;
    margin-bottom: 16px;
}
.reg-hero h1 {
    margin: 0 auto 8px;
    color: var(--sand);
    font-size: clamp(1.8rem, 4.5vw, 2.6rem);
    max-width: 20ch;
}
.reg-hero-theme {
    font-style: italic;
    color: #E4F0F7;
    max-width: 46ch;
    margin: 0 auto 6px;
}
.reg-hero p { color: #E4F0F7; margin: 0; }
.reg-hero .reg-signin { margin-top: 18px; font-size: 0.9rem; color: #E4F0F7; }
.reg-hero .reg-signin a { color: var(--embu-gold); }

.reg-card {
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 16px 40px rgba(18,58,86,0.12);
    padding: 36px;
    max-width: 780px;
    margin: -48px auto 60px;
    position: relative;
    z-index: 2;
}
.reg-card h2.reg-title { text-align: center; margin-bottom: 4px; }
.reg-card > p.reg-sub { text-align: center; color: var(--ink-soft); margin: 0 0 28px; }
.reg-card h3.reg-section { font-size: 1.05rem; margin: 28px 0 14px; color: var(--embu-navy); }
.reg-card h3.reg-section:first-of-type { margin-top: 0; }

.type-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
}
.type-option {
    display: block;
    border: 1.5px solid var(--line);
    border-radius: 10px;
    padding: 16px 18px;
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
}
.type-option:hover { border-color: var(--embu-blue); background: var(--sand-deep); }
.type-option.is-selected { border-color: var(--embu-blue); background: var(--sand-deep); box-shadow: 0 0 0 1px var(--embu-blue); }
.type-option input[type="radio"] { width: auto; margin-right: 8px; }
.type-option strong { color: var(--embu-navy); }
.type-option p { margin: 6px 0 0; font-size: 0.86rem; color: var(--ink-soft); }

.form-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 20px;
}
.form-grid-2 > div { min-width: 0; }
@media (max-width: 600px) {
    .form-grid-2 { grid-template-columns: 1fr; }
}

.callout {
    background: var(--sand-deep);
    border-left: 4px solid var(--embu-blue);
    border-radius: 6px;
    padding: 14px 18px;
    font-size: 0.9rem;
    color: var(--ink-soft);
    margin: 20px 0;
}
.callout strong { color: var(--embu-navy); }

.reg-card [data-group] { display: none; }
.reg-card [data-group].is-visible { display: block; }

/* -- CTA panel ---------------------------------------------------------------- */

.cta-panel {
    background: linear-gradient(120deg, var(--embu-navy), var(--embu-green-dark));
    color: #fff;
    padding: 48px 24px;
    text-align: center;
}
.cta-panel h2 { color: #fff; margin: 0 0 8px; }
.cta-panel p { max-width: 46ch; margin: 0 auto 26px; color: #DCEAF2; }
.cta-panel .btn { margin: 0 6px; }

/* -- Forms (register/login/submit) ------------------------------------------- */

.form-page { max-width: 480px; margin: 0 auto; padding-top: 24px; }

form label { display: block; margin-top: 14px; margin-bottom: 4px; font-weight: 600; }

form input[type="text"],
form input[type="email"],
form input[type="password"],
form input[type="number"],
form input[type="file"],
form select,
form textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    background: #fff;
    color: var(--ink);
}

form button { margin-top: 20px; }

.alert { padding: 12px 16px; border-radius: 6px; margin-bottom: 16px; }
.alert-error { background: #FBEAE6; color: var(--error); border: 1px solid var(--error); }
.alert-success { background: #E9F6EA; color: var(--success); border: 1px solid var(--success); }

.submissions-table { width: 100%; border-collapse: collapse; margin-top: 12px; }
.submissions-table th, .submissions-table td { text-align: left; padding: 10px; border-bottom: 1px solid var(--line); }

.status {
    text-transform: capitalize;
    padding: 2px 10px;
    border-radius: 12px;
    background: var(--line);
    font-size: 0.85rem;
    display: inline-block;
}
.status-pending, .status-submitted { background: #EFE7D0; color: #7A6420; }
.status-under_review { background: #DCEFFB; color: var(--embu-blue-dark); }
.status-approved, .status-accepted { background: #DCF3E3; color: var(--embu-green-dark); }
.status-rejected { background: #FBE0DC; color: var(--error); }
.status-revise { background: #F3E3D3; color: #8A5A1F; }
.status-not_required { background: transparent; color: var(--ink-soft); }
.status-awaiting_code { background: #EFE7D0; color: #7A6420; }
.status-pending_verification { background: #DCEFFB; color: var(--embu-blue-dark); }
.status-verified { background: #DCF3E3; color: var(--embu-green-dark); }
.status-invalid { background: #FBE0DC; color: var(--error); }

.admin-tabs {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--line);
    margin-bottom: 28px;
}
.admin-tabs a {
    padding: 10px 16px;
    text-decoration: none;
    color: var(--ink-soft);
    font-weight: 600;
    font-size: 0.92rem;
    border-bottom: 3px solid transparent;
}
.admin-tabs a.is-active { color: var(--embu-navy); border-bottom-color: var(--embu-blue); }
.admin-tabs a:hover { color: var(--embu-navy); }

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 14px;
    margin: 20px 0 32px;
}
.stat-tile {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 18px;
    box-shadow: 0 4px 14px rgba(18,58,86,0.05);
}
.stat-tile .num { font-family: 'Fraunces', serif; font-size: 1.8rem; font-weight: 600; color: var(--embu-navy); display: block; }
.stat-tile .label { font-size: 0.82rem; color: var(--ink-soft); }

/* -- Footer -------------------------------------------------------------------- */

.site-footer {
    background: var(--indigo);
    color: #C9CEDB;
    padding-top: 32px;
    margin-top: 40px;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
    padding-bottom: 24px;
}
.footer-title { color: var(--sand); font-size: 1rem; margin: 0 0 6px; }
.site-footer a { color: #C9CEDB; }
.footer-fine {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 16px 0;
    font-size: 0.82rem;
    color: #8E93A8;
}

/* -- Responsive ------------------------------------------------------------------ */

@media (max-width: 640px) {
    .about-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .slider-arrow { display: none; }
}

/* -- Accessibility ----------------------------------------------------------------- */

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
    outline: 2px solid var(--embu-blue);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; }
}