/* CSS Variables based on provided image palette */
:root {
    --primary-navy: #122746; /* From image background */
    --primary-navy-dark: #0d1c33;
    --accent-orange: #EF7D00; /* From logo PindAI */
    --accent-orange-hover: #D96B27;
    --text-light: #F3F4F6;
    --text-muted: #9CA3AF;
    --text-dark: #1F2937;
    --bg-light: #FFFFFF;
    --bg-alt: #F8FAFC;
    --border-color: rgba(255, 255, 255, 0.1);
    --border-color-dark: rgba(0, 0, 0, 0.1);
}

/* Base Reset & Typography */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Typography classes */
h1 { font-size: 2.5rem; font-weight: 800; line-height: 1.2; margin-bottom: 1.5rem; }
h2 { font-size: 2rem; font-weight: 700; line-height: 1.3; margin-bottom: 1rem; }
h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 0.75rem; }
p { margin-bottom: 1rem; }

.eyebrow {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
    color: var(--accent-orange);
    margin-bottom: 1rem;
}

.lede {
    font-size: 1.125rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 2rem;
}

.text-center { text-align: center; }
.text-accent { color: var(--accent-orange); }

/* Sections */
section {
    padding: 5rem 0;
}
.pb-0 { padding-bottom: 0; }

.section-dark {
    background-color: var(--primary-navy);
    color: var(--text-light);
}

.section-light {
    background-color: var(--bg-light);
    color: var(--text-dark);
}

.section-header {
    margin-bottom: 3rem;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background-color: rgba(18, 39, 70, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--text-light);
}

.logo-sub {
    font-size: 0.75rem;
    color: var(--accent-orange);
    font-weight: 600;
}

.nav-links {
    display: none; /* Hidden on mobile */
    gap: 2rem;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--accent-orange);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.lang-toggle-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-light);
    padding: 0.4rem 0.75rem;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.8rem;
    transition: all 0.2s;
}

.lang-toggle-btn:hover {
    background-color: rgba(255,255,255,0.1);
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    text-align: center;
}

.btn-primary {
    background-color: var(--accent-orange);
    color: white;
    border: 1px solid var(--accent-orange);
}

.btn-primary:hover {
    background-color: var(--accent-orange-hover);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-light);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: rgba(255,255,255,0.1);
}

/* Hero Section */
#hero {
    padding-top: 8rem;
    padding-bottom: 4rem;
    border-left: 6px solid var(--accent-orange); /* Adding the accent line from the image */
}

.hero-content {
    max-width: 800px;
}

.hero-content h1 {
    font-size: 2.5rem;
}

.hero-content .subheadline {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 650px;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

/* Stat Strip */
.stat-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--accent-orange);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

/* Region Pill */
.region-pill {
    display: inline-flex;
    align-items: center;
    background-color: var(--bg-alt);
    border: 1px solid var(--border-color-dark);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2rem;
}

.region-pill .active {
    color: var(--accent-orange);
}

.region-pill .separator {
    margin: 0 0.5rem;
    color: #CBD5E1;
}

.about-body {
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.125rem;
    color: #475569;
}

/* Grids */
.mobile-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

/* Cards */
.card {
    padding: 1.5rem;
    border-radius: 8px;
    height: 100%;
}

.card-dark {
    background-color: var(--primary-navy-dark);
    border: 1px solid var(--border-color);
}

.card-dark p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

.card-light {
    background-color: var(--bg-alt);
    border: 1px solid var(--border-color-dark);
}

.card-light p {
    color: #475569;
    font-size: 0.9rem;
    margin: 0;
}

.border-accent {
    border-top: 3px solid var(--accent-orange);
}

.outcome-card {
    position: relative;
    padding-top: 2.5rem;
}

.outcome-number {
    position: absolute;
    top: 1rem;
    left: 1.5rem;
    font-size: 2rem;
    font-weight: 800;
    color: rgba(239, 125, 0, 0.15); /* Faded orange */
    line-height: 1;
}

/* Strict 1 Col - Cara Kami Mengajar */
.strict-col-1 {
    display: flex;
    flex-direction: column;
    max-width: 600px;
    margin: 0 auto;
}

.step-card {
    display: flex;
    gap: 1.5rem;
    background-color: var(--primary-navy-dark);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.step-number {
    flex-shrink: 0;
    width: 2.5rem;
    height: 2.5rem;
    background-color: var(--accent-orange);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
}

.step-content h3 { margin-bottom: 0.25rem; }
.step-content p { color: var(--text-muted); margin: 0; font-size: 0.95rem; }

.step-connector {
    width: 2px;
    height: 1.5rem;
    background-color: var(--border-color);
    margin-left: 2.75rem; /* Align with center of circle */
}

/* Tech Strip */
.tech-strip-container {
    background-color: var(--primary-navy-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

.tech-prefix {
    font-weight: 700;
    color: var(--accent-orange);
    font-size: 0.9rem;
}

.tech-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
}

.tech-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background-color: rgba(255,255,255,0.05);
    padding: 0.75rem 1rem;
    border-radius: 6px;
    flex: 1;
    min-width: 200px;
}

.tech-badge strong {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    color: var(--text-light);
}

.tech-badge span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Footer / CTA */
.footer-section {
    padding-top: 4rem;
    padding-bottom: 2rem;
}

.cta-box {
    background-color: var(--primary-navy-dark);
    border: 1px solid var(--accent-orange);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 4rem;
}

.cta-box p {
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-size: 1.125rem;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.brand-line {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    max-width: 400px;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
}

.footer-meta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: #6B7280;
}

/* Responsive Overrides */
@media (min-width: 768px) {
    h1 { font-size: 3.5rem; }
    
    .nav-links { display: flex; }
    
    .desktop-grid-4 {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .stat-strip {
        gap: 4rem;
    }

    .tech-strip-container {
        flex-direction: row;
        align-items: center;
        text-align: left;
    }

    .tech-prefix {
        flex-shrink: 0;
        margin-bottom: 0;
    }

    .tech-strip {
        justify-content: flex-start;
        flex-wrap: nowrap;
    }

    .tech-badge {
        align-items: flex-start;
        text-align: left;
    }

    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
    
    .footer-meta {
        align-items: flex-end;
    }
}

/* ======================================================
   WORKSHOP / MATERI PAGE — additional components
   ====================================================== */

.page-hero {
    padding-top: 7.5rem;
    padding-bottom: 3rem;
}

.breadcrumb-back {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    transition: color 0.2s;
}
.breadcrumb-back:hover { color: var(--accent-orange); }

.badge-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin: 1.5rem 0 2rem;
}

.pill-badge {
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--border-color);
    color: var(--text-light);
    padding: 0.4rem 0.9rem;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 600;
}
.section-light .pill-badge {
    background: var(--bg-alt);
    border-color: var(--border-color-dark);
    color: var(--text-dark);
}

/* Section sub-nav (jump links) */
.subnav-wrap {
    position: sticky;
    top: 68px;
    z-index: 50;
    background: rgba(18, 39, 70, 0.97);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
    white-space: nowrap;
}
.subnav {
    display: flex;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}
.subnav a {
    flex-shrink: 0;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 600;
    padding: 0.45rem 0.9rem;
    border-radius: 6px;
    border: 1px solid transparent;
    transition: all 0.2s;
}
.subnav a:hover, .subnav a.active {
    color: var(--text-light);
    background: rgba(239,125,0,0.15);
    border-color: var(--accent-orange);
}

/* Concept nested rings */
.nest-diagram {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-width: 640px;
    margin: 2rem auto 0;
}
.nest-layer {
    border-radius: 10px;
    padding: 1.25rem 1.5rem;
    border: 1px solid var(--border-color);
    text-align: left;
}
.nest-layer h4 { color: var(--accent-orange); font-size: 0.95rem; margin-bottom: 0.35rem; }
.nest-layer p { margin: 0; font-size: 0.88rem; color: var(--text-muted); }
.nest-layer.l1 { background: rgba(255,255,255,0.03); }
.nest-layer.l2 { background: rgba(255,255,255,0.05); margin-left: 1rem; }
.nest-layer.l3 { background: rgba(255,255,255,0.07); margin-left: 2rem; }
.nest-layer.l4 { background: rgba(239,125,0,0.12); margin-left: 3rem; border-color: var(--accent-orange); }

/* Compare grid (2 columns) */
.compare-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin-top: 1.5rem;
}
.compare-card h4 { margin-bottom: 0.5rem; }
.flow-strip {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-light);
    margin: 0.75rem 0;
}
.flow-strip .arrow { color: var(--accent-orange); }
.flow-chip {
    background: rgba(255,255,255,0.08);
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
}

/* Interactive apple demo */
.demo-box {
    background: var(--primary-navy-dark);
    border: 1px solid var(--accent-orange);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    max-width: 480px;
    margin: 2rem auto 0;
}
.demo-emoji { font-size: 3rem; margin-bottom: 0.5rem; }
.demo-result {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent-orange);
    margin: 0.75rem 0;
}
.demo-box input[type="range"] {
    width: 100%;
    accent-color: var(--accent-orange);
    margin: 1rem 0;
}
.demo-note {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 1rem;
}

/* Timeline (eras) */
.era-timeline {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}
.era-card {
    background: var(--card-bg, var(--primary-navy-dark));
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--accent-orange);
    border-radius: 8px;
    padding: 1.5rem;
}
.section-light .era-card { background: var(--bg-alt); border-color: var(--border-color-dark); border-left-color: var(--accent-orange); }
.era-year { font-size: 0.75rem; font-weight: 700; color: var(--accent-orange); text-transform: uppercase; letter-spacing: .04em; }
.era-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.75rem; }
.era-tags span {
    font-size: 0.72rem;
    background: rgba(255,255,255,0.06);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    color: var(--text-muted);
}
.section-light .era-tags span { background: rgba(0,0,0,0.05); }

/* Data table */
.table-wrap { overflow-x: auto; margin-top: 1.5rem; }
table.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
    min-width: 480px;
}
table.data-table th, table.data-table td {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    text-align: left;
}
.section-light table.data-table th, .section-light table.data-table td {
    border-color: var(--border-color-dark);
}
table.data-table th {
    background: rgba(239,125,0,0.12);
    color: var(--accent-orange);
    font-weight: 700;
}
.section-light table.data-table th { background: #FDEDD8; }

/* Tabs */
.tab-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 2.5rem;
}
.tab-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 0.65rem 1.25rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}
.tab-btn:hover { color: var(--text-light); border-color: var(--accent-orange); }
.tab-btn.active {
    background: var(--accent-orange);
    color: white;
    border-color: var(--accent-orange);
}
.tab-btn.jury-btn {
    border-style: dashed;
    opacity: 0.6;
    font-size: 0.75rem;
}
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn 0.35s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px);} to { opacity: 1; transform: translateY(0);} }

/* In-tab TOC */
.toc-box {
    background: var(--primary-navy-dark);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 2.5rem;
}
.section-light .toc-box { background: var(--bg-alt); border-color: var(--border-color-dark); }
.toc-box h4 { color: var(--accent-orange); font-size: 0.9rem; margin-bottom: 0.75rem; }
.toc-list { display: grid; grid-template-columns: 1fr; gap: 0.4rem; list-style: none; padding: 0; margin: 0;}
.toc-list a { color: inherit; text-decoration: none; font-size: 0.85rem; opacity: 0.85; }
.toc-list a:hover { color: var(--accent-orange); opacity: 1; }

/* Sub headings inside tab content */
.tab-panel h3.sub-h {
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    scroll-margin-top: 140px;
}
.section-light .tab-panel h3.sub-h { border-color: var(--border-color-dark); }
.tab-panel h3.sub-h:first-of-type { margin-top: 0; border-top: none; padding-top: 0; }

/* Code block */
.code-block {
    background: var(--primary-navy-dark);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--accent-orange);
    border-radius: 8px;
    padding: 1.1rem 1.25rem;
    font-family: 'Courier New', monospace;
    font-size: 0.82rem;
    color: #E2E8F0;
    white-space: pre-wrap;
    overflow-x: auto;
    margin: 1rem 0;
}
.prompt-label {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent-orange);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.5rem;
}

/* Accordion */
.accordion-item {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 0.75rem;
    overflow: hidden;
}
.section-light .accordion-item { border-color: var(--border-color-dark); }
.accordion-trigger {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--primary-navy-dark);
    color: var(--text-light);
    border: none;
    padding: 1rem 1.25rem;
    font-weight: 600;
    font-size: 0.92rem;
    cursor: pointer;
    text-align: left;
}
.section-light .accordion-trigger { background: var(--bg-alt); color: var(--text-dark); }
.accordion-trigger .chevron { transition: transform 0.25s; color: var(--accent-orange); }
.accordion-item.open .chevron { transform: rotate(180deg); }
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: rgba(255,255,255,0.02);
    padding: 0 1.25rem;
}
.section-light .accordion-content { background: rgba(0,0,0,0.015); }
.accordion-item.open .accordion-content { padding: 1rem 1.25rem 1.25rem; }
.accordion-content p, .accordion-content ul { font-size: 0.88rem; color: var(--text-muted); }
.section-light .accordion-content p, .section-light .accordion-content ul { color: #475569; }

/* Numbered step list (compact) */
.mini-steps { display: flex; flex-direction: column; gap: 1rem; margin-top: 1.5rem; }
.mini-step { display: flex; gap: 1rem; align-items: flex-start; }
.mini-step .num {
    flex-shrink: 0;
    width: 2rem; height: 2rem;
    border-radius: 50%;
    background: var(--accent-orange);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 0.9rem;
}
.mini-step .txt h4 { font-size: 0.95rem; margin-bottom: 0.25rem; }
.mini-step .txt p { font-size: 0.88rem; color: var(--text-muted); margin: 0; }
.section-light .mini-step .txt p { color: #475569; }

/* do / dont columns */
.do-dont { display: grid; grid-template-columns: 1fr; gap: 1rem; margin-top: 1.25rem; }
.do-dont .box { border-radius: 8px; padding: 1.25rem; }
.do-dont .do { background: rgba(34,197,94,0.08); border: 1px solid rgba(34,197,94,0.35); }
.do-dont .dont { background: rgba(239,68,68,0.08); border: 1px solid rgba(239,68,68,0.35); }
.do-dont h4 { font-size: 0.9rem; margin-bottom: 0.5rem; }
.do-dont ul { margin: 0; padding-left: 1.1rem; font-size: 0.87rem; color: var(--text-muted); }
.section-light .do-dont ul { color: #475569; }

/* Idea grid numbered cards */
.idea-card { position: relative; }
.idea-card .idea-num {
    display: inline-flex;
    width: 1.75rem; height: 1.75rem;
    border-radius: 50%;
    background: rgba(239,125,0,0.15);
    color: var(--accent-orange);
    align-items: center; justify-content: center;
    font-weight: 700; font-size: 0.85rem;
    margin-bottom: 0.75rem;
}

/* Jury toggle */
#jury-toggle-btn { margin-left: auto; }

@media (min-width: 768px) {
    .compare-grid { grid-template-columns: 1fr 1fr; }
    .toc-list { grid-template-columns: 1fr 1fr; }
    .do-dont { grid-template-columns: 1fr 1fr; }
    .era-timeline { gap: 1.25rem; }
}

/* =========================================
   Smart Multi-Language Switcher
   ========================================= */

/* 1. Default mode (Indonesian) -> Hide English and Thai */
body:not(.show-en):not(.show-th) .lang-en,
body:not(.show-en):not(.show-th) .lang-th {
    display: none !important;
}

/* 2. English mode (.show-en) -> Hide Indonesian and Thai */
body.show-en .lang-id,
body.show-en .lang-th {
    display: none !important;
}

/* 3. Thai mode (.show-th) -> Hide Indonesian and English */
body.show-th .lang-id,
body.show-th .lang-en {
    display: none !important;
}