/* NextSkill Roadshow Pitch — Light Mode (untuk Guru) */

:root {
    --bg: #fafbfc;
    --bg-card: #ffffff;
    --bg-subtle: #f1f5f9;
    --text: #1a1f36;
    --text-secondary: #556270;
    --text-muted: #8899aa;
    --accent: #7a2fa6;
    --accent-subtle: #f5f0ff;
    --accent-glow: rgba(122, 47, 166, 0.12);
    --cyan: #a855f7;
    --success: #059669;
    --warning: #d97706;
    --danger: #dc2626;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
    --radius: 12px;
    --radius-lg: 16px;
    --font-display: 'Plus Jakarta Sans', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    overflow: hidden;
}

/* SLIDE BASE */
.slide {
    position: fixed;
    inset: 0;
    height: 100dvh;
    padding: 32px 48px 80px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
    overflow-y: auto;
}

.slide.active {
    opacity: 1;
    pointer-events: all;
}

/* COVER */
.slide-cover {
    justify-content: center;
    align-items: center;
    text-align: center;
    background: linear-gradient(160deg, #f8faff 0%, #eff6ff 40%, #ffffff 100%);
}

.cover-logo {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.logo-img {
    height: 56px;
    width: auto;
}

.logo-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo-brand {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.4em;
    color: var(--text);
}

.logo-sub {
    font-size: 0.75em;
    color: var(--text-muted);
}

.cover-meta {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 20px;
    flex-wrap: wrap;
}

.meta-tag {
    background: var(--accent-subtle);
    color: var(--accent);
    font-weight: 600;
    font-size: 0.8em;
    padding: 8px 20px;
    border-radius: 100px;
    border: 1px solid rgba(37, 99, 235, 0.15);
}

/* TYPOGRAPHY */
.slide-label {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.65em;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 8px;
}

.slide-title {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(1.4rem, 3vw, 2.2rem);
    line-height: 1.15;
    margin-bottom: 8px;
    color: var(--text);
}

.slide-title span {
    background: linear-gradient(135deg, var(--accent), var(--cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.slide-subtitle {
    font-size: 0.92em;
    color: var(--text-secondary);
    line-height: 1.5;
    max-width: 680px;
    margin-bottom: 24px;
}

/* DATA GRID */
.data-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.data-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.data-value {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(1.2rem, 2.2vw, 1.7rem);
    margin-bottom: 6px;
}

.data-value.accent { color: var(--accent); }

.data-label {
    font-size: 0.8em;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* HIGHLIGHT BOX */
.highlight-box {
    background: var(--accent-subtle);
    border: 1px solid rgba(37, 99, 235, 0.12);
    border-left: 4px solid var(--accent);
    border-radius: var(--radius);
    padding: 12px 16px;
    font-size: 0.9em;
    color: var(--text-secondary);
    line-height: 1.6;
}

.highlight-box strong { color: var(--text); }

/* TWO COLUMN */
.two-col {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.col-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: var(--shadow-sm);
}

.col-card h3 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.95em;
    margin-bottom: 12px;
    color: var(--accent);
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    font-size: 0.85em;
    color: var(--text-secondary);
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
    line-height: 1.5;
}

.feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 8px;
    height: 8px;
    border-radius: 2px;
    background: var(--accent);
}

/* CARD GRID (4-col benefits) */
.card-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.benefit-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: var(--shadow-sm);
}

.benefit-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: var(--accent-subtle);
    color: var(--accent);
    margin-bottom: 14px;
}

.benefit-card h3 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.95em;
    margin-bottom: 8px;
}

.benefit-card p {
    font-size: 0.82em;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* CONCERN GRID */
.concern-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.concern-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--danger);
}

.concern-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: #fef2f2;
    color: var(--danger);
    margin-bottom: 14px;
}

.concern-card h3 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.95em;
    margin-bottom: 8px;
    color: var(--danger);
}

.concern-card p {
    font-size: 0.82em;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* PROFILE GRID */
.profile-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.profile-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.profile-avatar {
    width: 80px;
    height: 80px;
    margin: 0 auto 16px;
    background: var(--accent-subtle);
    color: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-card h3 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1em;
    margin-bottom: 8px;
}

.profile-card p {
    font-size: 0.82em;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* REASON GRID */
.reason-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.reason-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: var(--shadow-sm);
}

.reason-number {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.6em;
    color: var(--accent);
    opacity: 0.3;
    margin-bottom: 8px;
}

.reason-card h3 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.95em;
    margin-bottom: 8px;
}

.reason-card p {
    font-size: 0.82em;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* TESTIMONIAL SLIDER */
.testimonial-slider {
    max-width: 700px;
    margin: 0 auto;
}

.testimonial-track {
    position: relative;
    min-height: 200px;
}

.testimonial-slide {
    display: none;
    animation: fadeIn 0.4s ease;
}

.testimonial-slide.active {
    display: block;
}

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

.testimonial-slide .testimonial-quote {
    font-size: 0.95em;
    color: var(--text);
    line-height: 1.7;
    font-style: italic;
    margin-bottom: 20px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    border-left: 4px solid var(--accent);
    box-shadow: var(--shadow-sm);
}

.testimonial-slide .testimonial-author {
    text-align: center;
}

.testimonial-slide .testimonial-author strong {
    display: block;
    font-size: 0.95em;
    font-weight: 700;
    color: var(--text);
}

.testimonial-slide .testimonial-author span {
    font-size: 0.8em;
    color: var(--text-muted);
}

.testimonial-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 20px;
}

.testimonial-btn {
    width: 36px;
    height: 36px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 1em;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.testimonial-btn:hover {
    background: var(--accent-subtle);
    color: var(--accent);
    border-color: var(--accent);
}

.testimonial-dots {
    display: flex;
    gap: 8px;
}

.testimonial-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border);
    cursor: pointer;
    transition: all 0.2s;
}

.testimonial-dot.active {
    background: var(--accent);
    width: 24px;
    border-radius: 4px;
}

/* CTA */
.slide-cta {
    background: linear-gradient(160deg, #f8faff 0%, #eff6ff 40%, #ffffff 100%);
}

.wa-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: #25d366;
    color: white;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1em;
    padding: 14px 28px;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.2s;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
}

.wa-button:hover {
    background: #1fb855;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.wa-button svg {
    flex-shrink: 0;
}

.cta-divider {
    text-align: center;
    font-size: 0.8em;
    color: var(--text-muted);
    padding: 8px 0;
}

.cta-box {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 560px;
}

.cta-step {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow-sm);
}

.cta-number {
    width: 40px;
    height: 40px;
    min-width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: var(--accent);
    color: white;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1em;
}

.cta-icon-circle {
    width: 40px;
    height: 40px;
    min-width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: var(--accent-subtle);
    color: var(--accent);
    border: 1px solid rgba(122, 47, 166, 0.15);
}

.cta-step h3 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.95em;
    margin-bottom: 4px;
}

.cta-step p {
    font-size: 0.82em;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* NAV BAR */
.nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 0 24px;
    z-index: 100;
}

.nav-btn {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 1.1em;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.nav-btn:hover {
    background: var(--bg-subtle);
    color: var(--text);
}

.progress-bar {
    width: 200px;
    height: 3px;
    background: var(--border);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--cyan));
    border-radius: 4px;
    transition: width 0.4s ease;
    width: 10%;
}

.slide-counter {
    font-family: var(--font-body);
    font-size: 0.8em;
    color: var(--text-muted);
    font-weight: 500;
    min-width: 60px;
    text-align: center;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .slide { padding: 36px 40px 100px; }
    .data-grid { grid-template-columns: repeat(3, 1fr); }
    .reason-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    body { overflow: auto; }
    .slide {
        position: relative;
        display: none;
        height: auto;
        min-height: 100dvh;
        padding: 36px 24px 120px;
    }
    .slide.active { display: flex; }
    .data-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .two-col { grid-template-columns: 1fr; }
    .card-grid { grid-template-columns: 1fr; }
    .concern-grid { grid-template-columns: 1fr; }
    .profile-grid { grid-template-columns: 1fr; }
    .reason-grid { grid-template-columns: 1fr; }
    .testimonial-grid { grid-template-columns: 1fr; }
    .cover-meta { flex-direction: column; align-items: center; }
    .progress-bar { width: 100px; }
}

@media (max-width: 480px) {
    .slide { padding: 20px 16px 120px; }
    .data-grid { grid-template-columns: 1fr; }
}