/* ============================================================
   RSSF Landing Page (site/index)
   ============================================================ */
.rssf-landing {
    --landing-purple: #7c3aed;
    --landing-purple-dark: #5b21b6;
    --landing-indigo: #1e1b4b;
    --landing-orange: #ea580c;
    --landing-surface: #fbfaff;
    --landing-border: #e9e5ff;
    background: linear-gradient(180deg, #eef2ff 0%, #f8f7ff 28%, #fff 55%);
    margin: -16px -16px 0;
    padding-bottom: 0;
}

/* ---- Hero / Banner ---- */
.rssf-landing-hero {
    position: relative;
    max-width: 960px;
    margin: 0 auto;
    padding: 28px 32px 0;
}

.rssf-landing-hero::before,
.rssf-landing-hero::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}

.rssf-landing-hero::before {
    top: 8px;
    right: 8%;
    width: 180px;
    height: 180px;
    background: radial-gradient(circle, rgba(124, 58, 237, .18) 0%, transparent 70%);
}

.rssf-landing-hero::after {
    bottom: 40px;
    left: 4%;
    width: 140px;
    height: 140px;
    background: radial-gradient(circle, rgba(37, 99, 235, .12) 0%, transparent 70%);
}

.rssf-landing .rssf-banner {
    position: relative;
    z-index: 1;
    max-width: none;
    margin: 0;
    padding: 0;
}

.rssf-landing .rssf-banner-link {
    border-radius: 20px;
    overflow: hidden;
    box-shadow:
        0 4px 6px rgba(30, 27, 75, .06),
        0 20px 48px rgba(91, 33, 182, .14);
    transition: transform .2s ease, box-shadow .2s ease;
}

.rssf-landing .rssf-banner-link:hover {
    opacity: 1;
    transform: translateY(-3px);
    box-shadow:
        0 8px 12px rgba(30, 27, 75, .08),
        0 28px 56px rgba(91, 33, 182, .2);
}

.rssf-landing .rssf-banner-img {
    border-radius: 20px;
}

.rssf-landing-hint {
    text-align: center;
    font-size: 13px;
    color: #64748b;
    margin-top: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.rssf-landing-hint i {
    color: var(--landing-purple);
    font-size: 12px;
}

/* ---- Action Bar (floating card) ---- */
.rssf-landing .rssf-landing-actions {
    max-width: 960px;
    padding: 0 32px;
    margin-top: -20px;
    position: relative;
    z-index: 2;
}

.rssf-landing .landing-actions-inner {
    background: #fff;
    border: 1px solid var(--landing-border);
    border-radius: 20px;
    padding: 18px 22px;
    box-shadow: 0 16px 40px rgba(91, 33, 182, .1);
    gap: 16px;
}

.rssf-landing .btn-landing-primary {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 55%, #5b21b6 100%);
    box-shadow: 0 6px 20px rgba(91, 33, 182, .35);
    font-size: 19px;
    letter-spacing: .01em;
}

.rssf-landing .btn-landing-secondary {
    background: linear-gradient(135deg, #f5f3ff 0%, #fff 100%);
    border: 2px solid #c4b5fd;
    color: var(--landing-purple-dark);
}

.rssf-landing .btn-landing-secondary:hover {
    background: #ede9fe;
    border-color: var(--landing-purple);
}

.rssf-landing-quicknav {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 16px;
    padding-bottom: 8px;
}

.rssf-landing-quicknav a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    color: var(--landing-purple-dark);
    background: rgba(255, 255, 255, .85);
    border: 1px solid var(--landing-border);
    text-decoration: none;
    transition: background .15s, border-color .15s, color .15s;
}

.rssf-landing-quicknav a:hover {
    background: #fff;
    border-color: #c4b5fd;
    color: var(--landing-purple);
    text-decoration: none;
}

/* ---- Section headers ---- */
.landing-section-head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 28px;
}

.landing-section-eyebrow {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--landing-purple);
    background: #f5f3ff;
    border: 1px solid #ddd6fe;
    padding: 4px 14px;
    border-radius: 999px;
    margin-bottom: 10px;
}

.landing-section-head h2 {
    font-size: 26px;
    font-weight: 800;
    color: var(--landing-indigo);
    margin: 0 0 8px;
    line-height: 1.3;
}

.landing-section-head p {
    font-size: 16px;
    color: #64748b;
    margin: 0;
    line-height: 1.6;
}

/* ---- Info cards ---- */
.rssf-landing .rssf-info-section {
    padding: 52px 32px 56px;
    background: transparent;
}

.rssf-landing .rssf-info-section .cards-grid {
    gap: 24px;
}

.rssf-landing .info-card {
    text-align: left;
    padding: 26px 24px 22px;
    border-radius: 20px;
    border: 1px solid var(--landing-border);
    box-shadow: 0 8px 24px rgba(91, 33, 182, .07);
}

.rssf-landing .info-card::before {
    height: 5px;
    background: linear-gradient(90deg, var(--landing-purple), #3b82f6);
}

.rssf-landing .info-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(91, 33, 182, .14);
}

.rssf-landing .info-card-featured {
    border-color: #c4b5fd;
    background: linear-gradient(160deg, #fff 0%, #faf5ff 100%);
    box-shadow: 0 12px 32px rgba(124, 58, 237, .12);
}

.rssf-landing .info-card .info-icon {
    margin: 0 0 16px;
    width: 52px;
    height: 52px;
    border-radius: 14px;
    font-size: 22px;
}

.rssf-landing .info-card h5 {
    font-size: 18px;
    margin-bottom: 10px;
}

.rssf-landing .info-card p {
    font-size: 15px;
    line-height: 1.65;
}

.rssf-landing .card-link {
    margin-top: 16px;
    padding: 10px 16px;
    background: #f5f3ff;
    border-radius: 10px;
    font-size: 14px;
    transition: background .15s, color .15s;
}

.rssf-landing .card-link:hover {
    background: #ede9fe;
}

.rssf-landing .info-card-featured .card-link {
    background: linear-gradient(135deg, var(--landing-purple), #6366f1);
    color: #fff;
}

.rssf-landing .info-card-featured .card-link:hover {
    color: #fff;
    opacity: .92;
}

/* ---- About / documents ---- */
.rssf-landing .rssf-about-section {
    padding: 40px 32px 48px;
    background: linear-gradient(180deg, #fff 0%, var(--landing-surface) 100%);
    border-top: 1px solid var(--landing-border);
    scroll-margin-top: 72px;
}

.rssf-landing .about-section-inner {
    max-width: 960px;
    margin: 0 auto;
}

.rssf-landing .rssf-docs-wrap {
    border-radius: 20px;
    overflow: hidden;
    box-shadow:
        0 4px 6px rgba(30, 27, 75, .06),
        0 20px 48px rgba(91, 33, 182, .12);
    border: 1px solid var(--landing-border);
    line-height: 0;
    background: #fff;
}

.rssf-landing .rssf-docs-img {
    width: 100%;
    height: auto;
    display: block;
}

.rssf-landing .landing-section-head .about-section-title {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 26px;
    margin-bottom: 8px;
}

.rssf-landing .about-section-title i {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, #ede9fe, #ddd6fe);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--landing-purple);
    flex-shrink: 0;
}

/* Doc groups wrapper */
.rssf-landing .about-card {
    background: #fff;
    border: 1px solid var(--landing-border);
    border-radius: 20px;
    padding: 20px;
    box-shadow: 0 8px 28px rgba(91, 33, 182, .06);
    margin-bottom: 20px;
}

.rssf-landing .doc-groups {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.rssf-landing .doc-group-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    font-weight: 700;
    color: var(--landing-purple-dark);
    text-transform: uppercase;
    letter-spacing: .07em;
    padding-bottom: 10px;
    border-bottom: 1.5px solid #ede9fe;
    margin-bottom: 10px;
}

.rssf-landing .doc-group-label i {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--landing-purple), #6366f1);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    flex-shrink: 0;
    box-shadow: 0 3px 8px rgba(124, 58, 237, .22);
}

/* 2-column grid list */
.rssf-landing .about-doc-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.rssf-landing .about-doc-list > li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 12px;
    background: #faf5ff;
    border: 1px solid #ede9fe;
    font-size: 14px;
    line-height: 1.6;
    color: #334155;
    transition: background .12s, border-color .12s;
}

.rssf-landing .about-doc-list > li::before {
    display: none;
}

.rssf-landing .about-doc-list > li:hover {
    background: #f5f3ff;
    border-color: #c4b5fd;
}

.rssf-landing .doc-num {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--landing-purple), #6366f1);
    color: #fff;
    font-size: 12px;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 3px 8px rgba(124, 58, 237, .22);
    margin-top: 1px;
}

/* optional tag (ถ้ามี) */
.rssf-landing .doc-optional {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    color: #6366f1;
    background: #eef2ff;
    border: 1px solid #c7d2fe;
    border-radius: 6px;
    padding: 1px 7px;
    margin-left: 4px;
    vertical-align: middle;
    white-space: nowrap;
}

/* ---- Notes card (redesigned) ---- */
.rssf-landing .about-card-notes {
    padding: 0;
    background: #fff;
    border: 1px solid #fde68a;
    border-top: 4px solid #f59e0b;
    box-shadow: 0 8px 24px rgba(245, 158, 11, .08);
    overflow: hidden;
}

.rssf-landing .about-notes-head {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 22px 16px;
    background: linear-gradient(135deg, #fffbeb, #fef9c3);
    border-bottom: 1px solid #fde68a;
}

.rssf-landing .about-notes-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(245, 158, 11, .3);
}

.rssf-landing .about-notes-title {
    font-size: 17px;
    font-weight: 800;
    color: #78350f;
    margin: 0;
}

.rssf-landing .about-notes-title small {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: #92400e;
    opacity: .75;
    margin-top: 2px;
}

.rssf-landing .about-notes-body {
    padding: 16px 20px;
}

.rssf-landing .about-notes-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.rssf-landing .about-notes-list > li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    background: #fffbeb;
    border: 1px solid #fef08a;
    border-radius: 12px;
    font-size: 14px;
    line-height: 1.65;
    color: #57534e;
}

.rssf-landing .note-num {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    border-radius: 8px;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
    font-size: 12px;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 3px 8px rgba(245, 158, 11, .28);
    margin-top: 1px;
}

/* address sub-list inside notes */
.rssf-landing .note-locations {
    list-style: none;
    padding: 0;
    margin: 10px 0 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.rssf-landing .note-locations li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 10px 12px;
    background: rgba(255, 255, 255, .85);
    border: 1px solid #fde68a;
    border-radius: 10px;
    font-size: 13px;
    color: #44403c;
    line-height: 1.55;
}

.rssf-landing .note-locations li i {
    color: #d97706;
    font-size: 12px;
    margin-top: 2px;
    flex-shrink: 0;
}

/* ---- Footer ---- */
.rssf-landing .rssf-landing-footer {
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #1e3a5f 100%);
    padding: 40px 32px;
    text-align: center;
}

.rssf-landing .footer-inner {
    max-width: 960px;
    margin: 0 auto;
}

.rssf-landing .footer-logo {
    font-size: 17px;
    margin-bottom: 16px;
}

.rssf-landing .footer-logo i {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(255, 255, 255, .12);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #c4b5fd;
}

.rssf-landing .footer-contacts {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px 24px;
    margin-bottom: 20px;
}

.rssf-landing .footer-contact-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    color: rgba(255, 255, 255, .85);
    text-decoration: none;
    padding: 8px 14px;
    border-radius: 10px;
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .12);
    transition: background .15s;
}

.rssf-landing .footer-contact-item:hover {
    background: rgba(255, 255, 255, .14);
    color: #fff;
    text-decoration: none;
}

.rssf-landing .footer-contact-item i {
    color: #a5b4fc;
}

.rssf-landing .footer-meta {
    font-size: 14px;
    color: rgba(255, 255, 255, .5);
    margin: 0;
    line-height: 1.8;
}

.rssf-landing .footer-divider {
    width: 48px;
    height: 3px;
    background: linear-gradient(90deg, transparent, #7c3aed, transparent);
    margin: 0 auto 20px;
    border-radius: 2px;
}

/* ---- Responsive ---- */
@media (max-width: 767.98px) {
    .rssf-landing {
        margin-left: -12px;
        margin-right: -12px;
    }

    .rssf-landing-hero,
    .rssf-landing .rssf-landing-actions,
    .rssf-landing .rssf-info-section,
    .rssf-landing .rssf-about-section,
    .rssf-landing .rssf-landing-footer {
        padding-left: 16px;
        padding-right: 16px;
    }

    .rssf-landing-hero {
        padding-top: 20px;
    }

    .landing-section-head h2,
    .rssf-landing .about-section-title {
        font-size: 22px;
    }

    .rssf-landing .about-doc-list {
        grid-template-columns: 1fr;
    }

    .rssf-landing .about-card {
        padding: 14px;
        border-radius: 16px;
    }

    .rssf-landing .about-card-notes {
        border-radius: 16px;
    }

    .rssf-landing .about-notes-head {
        padding: 14px 16px;
    }

    .rssf-landing .about-notes-body {
        padding: 12px 14px;
    }

    .rssf-landing .landing-actions-inner {
        padding: 14px;
    }

    .rssf-landing .btn-landing-primary,
    .rssf-landing .btn-landing-secondary {
        font-size: 17px;
    }
}