:root {
    --brand: #0d6efd;
    --navy: #1e293b;
    --navy-dark: #0f172a;
    --gold: #b8935a;
    --gold-light: #d4b483;
    --bg: #f8fafc;
    --card-bg: #ffffff;
    --border: #e2e8f0;
    --text: #334155;
    --text-light: #64748b;
}
body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}
.footer {
    margin-top: auto;
}
.navbar-brand {
    font-size: 1.35rem;
    letter-spacing: -0.5px;
}
.card {
    border-radius: 0.75rem;
}
.card.shadow-sm:hover .section-block {
    border-left: 4px solid var(--brand);
}
.section-block .card-header {
    border-radius: 0.75rem 0.75rem 0 0;
}
.table thead th {
    white-space: nowrap;
}
.list-group-item {
    border-radius: 0.5rem !important;
}

/* ===== Landing page (JMoodle — Academic) ===== */

/* -- Navbar -- */
.landing-nav {
    background: rgba(255, 255, 255, 0.97) !important;
    border-bottom: 1px solid var(--border);
    transition: box-shadow 0.3s ease, background 0.3s ease;
    position: sticky;
    top: 0;
    z-index: 1040;
}
.landing-nav.scrolled {
    box-shadow: 0 1px 12px rgba(15, 23, 42, 0.08);
}
.landing-nav .navbar-brand {
    color: var(--navy) !important;
    letter-spacing: -0.4px;
}
.landing-nav .navbar-brand .brand-ico {
    color: var(--navy);
    margin-right: 0.3rem;
}
.landing-nav .nav-link {
    color: var(--text-light);
    padding: 0.5rem 0.95rem;
    font-weight: 500;
    transition: color 0.2s;
}
.landing-nav .nav-link:hover { color: var(--navy); }
.btn-navy {
    background: var(--navy);
    color: #fff;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    padding: 0.45rem 1rem;
    transition: background 0.2s;
}
.btn-navy:hover { background: var(--navy-dark); color: #fff; }

/* -- Hero -- */
.hero {
    background: var(--bg);
    padding: 6rem 0 5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 3px;
    background: var(--gold);
    border-radius: 2px;
}
.hero-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 1.2rem;
}
.hero h1 {
    color: var(--navy-dark);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -1px;
}
.hero-sub {
    color: var(--text-light);
    max-width: 580px;
    font-size: 1.15rem;
    line-height: 1.65;
    margin: 0 auto 2.2rem;
}
.btn-primary-hero {
    background: var(--navy);
    color: #fff;
    border: none;
    padding: 0.75rem 2rem;
    font-weight: 600;
    border-radius: 0.5rem;
    transition: background 0.2s, transform 0.15s;
}
.btn-primary-hero:hover {
    background: var(--navy-dark);
    transform: translateY(-1px);
    color: #fff;
}
.btn-outline-hero {
    border: 1.5px solid var(--border);
    color: var(--text);
    padding: 0.75rem 2rem;
    font-weight: 500;
    border-radius: 0.5rem;
    background: transparent;
    transition: border-color 0.2s, color 0.2s;
}
.btn-outline-hero:hover {
    border-color: var(--text-light);
    color: var(--navy);
    background: transparent;
}
.hero-arrow {
    display: inline-block;
    margin-top: 2.5rem;
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
}
.hero-arrow:hover { color: var(--gold); }

/* -- Sticky TOC -- */
.nav-scroll {
    background: #fff;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 58px;
    z-index: 1035;
}
.nav-scroll .nav-link {
    color: var(--text-light);
    padding: 0.5rem 1rem;
    font-weight: 500;
    border-radius: 0;
    border-bottom: 2px solid transparent;
    transition: color 0.2s, border-color 0.2s;
}
.nav-scroll .nav-link:hover { color: var(--navy); }
.nav-scroll .nav-link.active {
    color: var(--navy);
    border-bottom-color: var(--gold);
    background: transparent;
}

/* -- Sections -- */
.section { scroll-margin-top: 120px; }
.section-label {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 0.7rem;
}
.section h2 {
    color: var(--navy-dark);
    font-weight: 700;
}
.section-sub {
    color: var(--text-light);
    font-size: 1.05rem;
}
.section-divider {
    width: 50px;
    height: 2px;
    background: var(--gold);
    border: none;
    margin: 0 auto 1.5rem;
}

/* -- Feature cards -- */
.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 0.8rem;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    position: relative;
    overflow: hidden;
}
.feature-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: width 0.3s ease;
}
.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}
.feature-card:hover::after { width: 60px; }
.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--navy);
    background: var(--bg);
    margin: 0 auto 1.2rem;
    border: 1px solid var(--border);
    transition: background 0.25s, color 0.25s;
}
.feature-card:hover .feature-icon {
    background: var(--navy);
    color: #fff;
    border-color: var(--navy);
}
.feature-card h5 {
    color: var(--navy);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* -- Step cards (horizontal) -- */
.step-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 0.7rem;
    padding: 1.3rem 1.5rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 1.2rem;
    transition: box-shadow 0.25s, transform 0.25s, border-color 0.25s;
    position: relative;
    overflow: hidden;
}
.step-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background: var(--gold);
    transition: width 0.3s ease;
}
.step-card:hover {
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.05);
    transform: translateX(4px);
    border-color: transparent;
}
.step-card:hover::before { width: 3px; }
.step-num {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 0.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--navy);
    background: var(--bg);
    border: 1px solid var(--border);
}
.step-card h5 {
    color: var(--navy);
    font-weight: 600;
    margin-bottom: 0.2rem;
    font-size: 1rem;
}
.step-card h5 i {
    color: var(--gold);
    margin-right: 0.4rem;
    font-size: 0.95rem;
}
.step-card p {
    color: var(--text-light);
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* -- FAQ accordion -- */
.faq-item {
    border: 1px solid var(--border);
    border-radius: 0.6rem;
    margin-bottom: 0.6rem;
    overflow: hidden;
    background: #fff;
    transition: box-shadow 0.2s;
}
.faq-item:hover { box-shadow: 0 2px 10px rgba(15, 23, 42, 0.04); }
.faq-btn {
    width: 100%;
    padding: 1.05rem 1.3rem;
    border: none;
    background: #fff;
    text-align: left;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--navy);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: color 0.2s;
}
.faq-btn:hover { color: var(--gold); }
.faq-btn .faq-chevron {
    transition: transform 0.25s;
    color: var(--text-light);
    font-size: 0.9rem;
}
.faq-item.open .faq-btn .faq-chevron { transform: rotate(180deg); }
.faq-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
    padding: 0 1.3rem;
}
.faq-item.open .faq-body {
    max-height: 300px;
    padding: 0 1.3rem 1.1rem;
}
.faq-body p {
    color: var(--text-light);
    margin: 0;
    font-size: 0.92rem;
    line-height: 1.6;
}

/* -- CTA panel -- */
.cta-panel {
    background: var(--navy-dark);
    border-radius: 1rem;
    padding: 4rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-panel::before {
    content: '';
    position: absolute;
    top: -30px;
    right: -30px;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(184, 147, 90, 0.1);
}
.cta-panel h2 { color: #fff; font-weight: 700; }
.cta-panel p { color: rgba(255,255,255,0.65); }
.btn-white {
    background: #fff;
    color: var(--navy);
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    padding: 0.75rem 2rem;
    transition: background 0.2s;
}
.btn-white:hover { background: #f1f5f9; color: var(--navy); }
.btn-outline-white {
    border: 1.5px solid rgba(255,255,255,0.4);
    color: #fff;
    background: transparent;
    border-radius: 0.5rem;
    font-weight: 600;
    padding: 0.72rem 2rem;
    transition: border-color 0.2s, background 0.2s;
}
.btn-outline-white:hover {
    border-color: #fff;
    background: rgba(255,255,255,0.08);
    color: #fff;
}

/* -- Footer (landing) -- */
.landing-footer {
    background: var(--navy-dark);
    color: rgba(255,255,255,0.5);
    padding: 1.5rem 0;
    font-size: 0.85rem;
}

/* -- Fade-in on scroll -- */
.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.in-view {
    opacity: 1;
    transform: none;
}

/* -- Auth pages -- */
.auth-body {
    min-height: 100vh;
    background: var(--bg);
}
.auth-brand {
    color: var(--navy) !important;
    letter-spacing: -0.5px;
}
.auth-brand .brand-ico { color: var(--navy); }
.auth-card {
    border: 1px solid var(--border);
    border-radius: 0.8rem;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.05);
}
.btn-navy-auth {
    background: var(--navy);
    color: #fff;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    padding: 0.6rem;
    transition: background 0.2s;
}
.btn-navy-auth:hover { background: var(--navy-dark); color: #fff; }