/* =============================================
   GudangSoal - Custom Stylesheet
   Bootstrap 5 Override & Custom Components
   ============================================= */

/* --- Root Variables --- */
:root {
    --gs-primary:        #1d4ed8;
    --gs-primary-dark:   #1e3a8a;
    --gs-primary-medium: #2563eb;
    --gs-primary-light:  #3b82f6;
    --gs-primary-lighter:#93c5fd;
    --gs-primary-pale:   #dbeafe;
    --gs-primary-ghost:  #eff6ff;
    --gs-accent:         #0ea5e9;
    --gs-warning:        #f59e0b;
    --gs-success:        #10b981;
    --gs-text-dark:      #1e293b;
    --gs-text-medium:    #475569;
    --gs-text-light:     #94a3b8;
    --gs-border:         #e2e8f0;
    --gs-bg-soft:        #f8fafc;
    --bs-primary:        #1d4ed8;
    --bs-primary-rgb:    29, 78, 216;
}

/* --- Base Reset --- */
*,
*::before,
*::after {
    font-family: Arial, Helvetica, sans-serif;
    box-sizing: border-box;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    color: var(--gs-text-dark);
    background-color: #fff;
    -webkit-font-smoothing: antialiased;
}

/* =============================================
   NAVBAR
   ============================================= */
#mainNavbar {
    background: var(--gs-primary-dark) !important;
    padding: 14px 0;
    transition: padding 0.3s ease, box-shadow 0.3s ease;
}

#mainNavbar.gs-scrolled {
    padding: 9px 0;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.18) !important;
}

.navbar-brand .brand-icon {
    font-size: 1.6rem;
    color: #60a5fa;
}

.navbar-brand .brand-text {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.3px;
    color: #fff;
}

.navbar-brand .brand-text span {
    color: #60a5fa;
}

#mainNavbar .nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    padding: 6px 14px !important;
    color: rgba(255,255,255,0.82) !important;
    border-radius: 6px;
    transition: background 0.2s, color 0.2s;
}

#mainNavbar .nav-link:hover,
#mainNavbar .nav-link.active {
    color: #fff !important;
    background: rgba(255,255,255,0.1);
}

.btn-gs-outline-nav {
    border: 1.5px solid rgba(255,255,255,0.4);
    color: #fff !important;
    background: transparent;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 6px 18px;
    border-radius: 8px;
    transition: all 0.2s;
}

.btn-gs-outline-nav:hover {
    border-color: #fff;
    background: rgba(255,255,255,0.1);
}

.btn-gs-nav {
    background: #fff;
    color: var(--gs-primary) !important;
    font-size: 0.875rem;
    font-weight: 700;
    padding: 6px 20px;
    border-radius: 8px;
    border: none;
    transition: all 0.2s;
}

.btn-gs-nav:hover {
    background: var(--gs-primary-pale);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(0,0,0,0.15);
}

/* =============================================
   HERO SECTION
   ============================================= */
.gs-hero {
    background: linear-gradient(140deg, #0f2560 0%, #1e3a8a 35%, #1d4ed8 70%, #2563eb 100%);
    padding: 148px 0 100px;
    position: relative;
    overflow: hidden;
    min-height: 88vh;
    display: flex;
    align-items: center;
}

/* Decorative blobs */
.gs-hero::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(96,165,250,0.12) 0%, transparent 70%);
    top: -150px;
    right: -100px;
    pointer-events: none;
}

.gs-hero::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(96,165,250,0.08) 0%, transparent 70%);
    bottom: 0;
    left: -80px;
    pointer-events: none;
}

.gs-hero-wave {
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    overflow: hidden;
    line-height: 0;
}

.gs-hero-wave svg {
    display: block;
    width: 100%;
    height: 70px;
}

.gs-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.2);
    color: #bfdbfe;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 100px;
    backdrop-filter: blur(4px);
    margin-bottom: 20px;
}

.gs-hero h1 {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800;
    color: #fff;
    line-height: 1.15;
    letter-spacing: -0.5px;
    margin-bottom: 18px;
}

.gs-hero h1 .gs-highlight {
    color: #fbbf24;
    position: relative;
}

.gs-hero .gs-hero-sub {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.68);
    line-height: 1.65;
    margin-bottom: 36px;
    max-width: 560px;
}

/* Search bar */
.gs-search-wrap {
    background: #fff;
    border-radius: 14px;
    padding: 6px;
    display: flex;
    gap: 6px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.22);
    max-width: 680px;
}

.gs-search-wrap .form-select {
    border: none;
    box-shadow: none !important;
    background: #f1f5f9;
    border-radius: 10px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gs-text-dark);
    min-width: 160px;
    max-width: 185px;
    padding: 10px 14px;
}

.gs-search-wrap .form-control {
    border: none;
    box-shadow: none !important;
    font-size: 0.9rem;
    color: var(--gs-text-dark);
    padding: 10px 14px;
    flex: 1;
}

.gs-search-wrap .form-control::placeholder {
    color: var(--gs-text-light);
}

.gs-search-wrap .btn-search {
    background: var(--gs-primary);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 700;
    padding: 10px 24px;
    transition: background 0.2s, transform 0.15s;
    white-space: nowrap;
}

.gs-search-wrap .btn-search:hover {
    background: var(--gs-primary-dark);
    transform: translateY(-1px);
}

/* Quick tags */
.gs-quick-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin-top: 18px;
}

.gs-quick-tags .ql {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.5);
}

.gs-quick-tag {
    font-size: 0.8rem;
    font-weight: 500;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.18);
    color: #bfdbfe;
    padding: 4px 12px;
    border-radius: 100px;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
}

.gs-quick-tag:hover {
    background: rgba(255,255,255,0.22);
    color: #fff;
}

/* Hero stats */
.gs-hero-stats {
    margin-top: 52px;
    display: flex;
    gap: 0;
    flex-wrap: wrap;
}

.gs-stat-item {
    flex: 1;
    min-width: 120px;
    text-align: center;
    padding: 12px 16px;
    border-right: 1px solid rgba(255,255,255,0.12);
}

.gs-stat-item:last-child { border-right: none; }

.gs-stat-item .stat-num {
    font-size: 1.7rem;
    font-weight: 800;
    color: #fff;
    line-height: 1;
    display: block;
}

.gs-stat-item .stat-label {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.5);
    margin-top: 4px;
    display: block;
}

/* Hero mockup card */
.gs-hero-mockup {
    position: relative;
}

.gs-mockup-card {
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 30px 80px rgba(0,0,0,0.3);
    overflow: hidden;
    position: relative;
}

.gs-mockup-topbar {
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
    padding: 10px 16px;
    display: flex;
    gap: 6px;
    align-items: center;
}

.gs-mockup-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.gs-mockup-body {
    padding: 20px;
}

.gs-mockup-title {
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--gs-text-dark);
    margin-bottom: 14px;
}

.gs-mockup-q {
    background: var(--gs-primary-ghost);
    border-left: 3px solid var(--gs-primary);
    padding: 10px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    color: var(--gs-text-dark);
    margin-bottom: 10px;
    line-height: 1.4;
}

.gs-mockup-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 10px;
    border-radius: 7px;
    border: 1.5px solid #e2e8f0;
    font-size: 0.73rem;
    color: var(--gs-text-medium);
    margin-bottom: 6px;
    cursor: pointer;
    transition: all 0.15s;
}

.gs-mockup-option.active {
    border-color: var(--gs-primary);
    background: var(--gs-primary-pale);
    color: var(--gs-primary);
    font-weight: 600;
}

.gs-mockup-option .opt-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid currentColor;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gs-mockup-option.active .opt-dot::after {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gs-primary);
}

.gs-mockup-progress {
    margin-top: 14px;
}

.gs-mockup-progress-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    color: var(--gs-text-light);
    margin-bottom: 4px;
}

.gs-float-badge {
    position: absolute;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
    padding: 10px 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.78rem;
    white-space: nowrap;
}

.gs-float-badge-1 {
    top: -18px;
    right: -24px;
}

.gs-float-badge-2 {
    bottom: 30px;
    left: -28px;
}

.gs-float-badge .badge-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.gs-float-badge .badge-title {
    font-weight: 700;
    color: var(--gs-text-dark);
    line-height: 1.2;
}

.gs-float-badge .badge-sub {
    color: var(--gs-text-light);
    font-size: 0.7rem;
}

/* =============================================
   SECTION COMMONS
   ============================================= */
.gs-section {
    padding: 80px 0;
}

.gs-section-alt {
    background: var(--gs-bg-soft);
}

.gs-section-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--gs-primary-pale);
    color: var(--gs-primary);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding: 5px 14px;
    border-radius: 100px;
    margin-bottom: 12px;
}

.gs-section-title {
    font-size: clamp(1.6rem, 3.5vw, 2.1rem);
    font-weight: 800;
    color: var(--gs-text-dark);
    letter-spacing: -0.3px;
    margin-bottom: 10px;
    line-height: 1.2;
}

.gs-section-sub {
    font-size: 0.98rem;
    color: var(--gs-text-medium);
    line-height: 1.6;
}

/* =============================================
   PREVIEW CARDS (Featured Tryout)
   ============================================= */
.gs-preview-card {
    border: none;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0,0,0,0.07);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: #fff;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.gs-preview-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(29, 78, 216, 0.14);
}

.gs-preview-img-wrap {
    position: relative;
    overflow: hidden;
    height: 210px;
    flex-shrink: 0;
}

.gs-preview-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.gs-preview-card:hover .gs-preview-img-wrap img {
    transform: scale(1.06);
}

.gs-preview-img-wrap .gs-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15,37,96,0.5) 0%, transparent 60%);
}

.gs-preview-badge {
    position: absolute;
    top: 12px;
    left: 14px;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 4px 11px;
    border-radius: 100px;
}

.gs-preview-label {
    position: absolute;
    top: 12px;
    right: 14px;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 4px 11px;
    border-radius: 100px;
    background: var(--gs-success);
    color: #fff;
}

.gs-preview-card .card-body {
    padding: 20px 22px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.gs-preview-category {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--gs-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.gs-preview-card .card-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--gs-text-dark);
    margin-bottom: 8px;
    line-height: 1.35;
}

.gs-preview-card .card-text {
    font-size: 0.84rem;
    color: var(--gs-text-medium);
    line-height: 1.55;
    flex: 1;
}

.gs-preview-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid var(--gs-border);
    font-size: 0.8rem;
    color: var(--gs-text-medium);
}

.gs-rating-stars {
    color: #f59e0b;
    font-size: 12px;
}

.gs-btn-card {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--gs-primary-ghost);
    color: var(--gs-primary);
    font-size: 0.82rem;
    font-weight: 700;
    padding: 8px 18px;
    border-radius: 10px;
    border: none;
    text-decoration: none;
    transition: all 0.2s;
    margin-top: 14px;
    align-self: flex-start;
}

.gs-btn-card:hover {
    background: var(--gs-primary);
    color: #fff;
}

/* =============================================
   CATEGORY CARDS
   ============================================= */
.gs-cat-card {
    border: 2px solid var(--gs-border);
    border-radius: 18px;
    padding: 28px 20px 22px;
    background: #fff;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: block;
    position: relative;
    overflow: hidden;
}

.gs-cat-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gs-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.gs-cat-card:hover {
    border-color: var(--gs-primary-lighter);
    box-shadow: 0 10px 36px rgba(29, 78, 216, 0.13);
    transform: translateY(-5px);
}

.gs-cat-card:hover::after {
    transform: scaleX(1);
}

.gs-cat-icon {
    width: 62px;
    height: 62px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 26px;
    transition: transform 0.3s ease;
}

.gs-cat-card:hover .gs-cat-icon {
    transform: scale(1.1) rotate(-4deg);
}

.gs-cat-name {
    font-weight: 700;
    font-size: 0.92rem;
    color: var(--gs-text-dark);
    margin-bottom: 5px;
    line-height: 1.25;
}

.gs-cat-count {
    font-size: 0.78rem;
    color: var(--gs-text-light);
    font-weight: 400;
}

.gs-cat-count strong {
    color: var(--gs-primary);
    font-weight: 700;
}

/* Hidden categories */
.gs-cat-hidden {
    display: none !important;
}

.gs-cat-hidden.gs-cat-show {
    display: block !important;
    animation: gs-fadeIn 0.35s ease forwards;
}

@keyframes gs-fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* =============================================
   CTA BANNER
   ============================================= */
.gs-cta {
    background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 60%, #2563eb 100%);
    border-radius: 24px;
    padding: 64px 56px;
    position: relative;
    overflow: hidden;
    color: #fff;
}

.gs-cta::before,
.gs-cta::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
    pointer-events: none;
}

.gs-cta::before {
    width: 420px;
    height: 420px;
    top: -150px;
    right: -80px;
}

.gs-cta::after {
    width: 280px;
    height: 280px;
    bottom: -120px;
    left: 40px;
}

.gs-cta h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    margin-bottom: 12px;
    line-height: 1.2;
}

.gs-cta p {
    color: rgba(255,255,255,0.7);
    font-size: 0.98rem;
    margin-bottom: 0;
}

.btn-gs-white {
    background: #fff;
    color: var(--gs-primary);
    font-weight: 700;
    font-size: 0.9rem;
    padding: 12px 28px;
    border-radius: 10px;
    border: none;
    text-decoration: none;
    display: inline-block;
    transition: all 0.2s;
}

.btn-gs-white:hover {
    background: var(--gs-primary-pale);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
    color: var(--gs-primary);
}

.btn-gs-ghost {
    background: rgba(255,255,255,0.1);
    color: #fff;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 12px 28px;
    border-radius: 10px;
    border: 1.5px solid rgba(255,255,255,0.25);
    text-decoration: none;
    display: inline-block;
    transition: all 0.2s;
}

.btn-gs-ghost:hover {
    background: rgba(255,255,255,0.18);
    color: #fff;
}

/* =============================================
   FOOTER
   ============================================= */
.gs-footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 64px 0 0;
}

.gs-footer-brand {
    font-size: 1.3rem;
    font-weight: 800;
    color: #fff;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    margin-bottom: 14px;
}

.gs-footer-brand .fi-icon {
    font-size: 1.4rem;
    color: #60a5fa;
}

.gs-footer-brand .fi-name span {
    color: #60a5fa;
}

.gs-footer p.gs-footer-desc {
    font-size: 0.88rem;
    line-height: 1.65;
    color: #64748b;
    max-width: 280px;
}

.gs-footer h6.gs-footer-heading {
    color: #e2e8f0;
    font-weight: 700;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 18px;
}

.gs-footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.gs-footer-links li {
    margin-bottom: 10px;
}

.gs-footer-links a {
    color: #64748b;
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.gs-footer-links a:hover {
    color: #93c5fd;
}

.gs-footer-social {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.gs-footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 9px;
    background: rgba(255,255,255,0.07);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #64748b;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.2s;
}

.gs-footer-social a:hover {
    background: var(--gs-primary);
    color: #fff;
    transform: translateY(-2px);
}

.gs-footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.07);
    padding: 22px 0;
    margin-top: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.82rem;
    color: #475569;
}

.gs-footer-bottom a {
    color: #475569;
    text-decoration: none;
    transition: color 0.2s;
}

.gs-footer-bottom a:hover {
    color: #93c5fd;
}

/* =============================================
   UTILS & RESPONSIVE
   ============================================= */
.text-gs-primary   { color: var(--gs-primary) !important; }
.bg-gs-pale        { background: var(--gs-primary-ghost) !important; }
.border-gs-primary { border-color: var(--gs-primary) !important; }

.btn-gs-primary {
    background: var(--gs-primary);
    color: #fff;
    font-weight: 700;
    border: none;
    border-radius: 10px;
    padding: 12px 28px;
    font-size: 0.9rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
}

.btn-gs-primary:hover {
    background: var(--gs-primary-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(29, 78, 216, 0.3);
}

.btn-gs-outline {
    background: transparent;
    color: var(--gs-primary);
    font-weight: 700;
    border: 2px solid var(--gs-primary);
    border-radius: 10px;
    padding: 10px 26px;
    font-size: 0.9rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
}

.btn-gs-outline:hover {
    background: var(--gs-primary);
    color: #fff;
}

@media (max-width: 991.98px) {
    .gs-hero {
        padding: 120px 0 80px;
        min-height: auto;
        text-align: center;
    }

    .gs-hero .gs-hero-sub {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }

    .gs-search-wrap {
        max-width: 100%;
        flex-wrap: wrap;
    }

    .gs-search-wrap .form-select {
        max-width: 100%;
        min-width: 0;
        flex: 1;
    }

    .gs-quick-tags {
        justify-content: center;
    }

    .gs-hero-stats {
        justify-content: center;
    }

    .gs-stat-item {
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        flex: 0 0 40%;
    }

    .gs-hero-mockup {
        display: none;
    }

    .gs-cta {
        padding: 42px 30px;
        text-align: center;
    }

    .gs-cta .d-flex {
        justify-content: center;
    }
}

@media (max-width: 575.98px) {
    .gs-section { padding: 56px 0; }
    .gs-stat-item { flex: 0 0 48%; }
    .gs-cta { padding: 36px 20px; }

    .gs-search-wrap {
        flex-direction: column;
    }

    .gs-search-wrap .form-select,
    .gs-search-wrap .form-control,
    .gs-search-wrap .btn-search {
        max-width: 100%;
        border-radius: 10px !important;
    }
}