/* ==========================================================================
   Komunitas Frontend Stylesheet - Pure Vanilla CSS
   Tokens: Kinetic Orange #FF6105 | Surfaces: #FFFFFF & #FAFAFA | Zero Shadows
   ========================================================================== */

/* ─── 1. Design Tokens ─────────────────────────────────────────────────── */
:root {
    --color-primary: #FF6105;
    --color-primary-hover: #E05300;
    --color-primary-active: #D44D00;
    --color-accent-glow: #FFA069;
    --color-accent-wash: #FFF3EC;
    --color-accent-wash-border: #FFCCB0;
    --color-accent-text: #C24A00;
    
    --color-canvas: #FFFFFF;
    --color-paper: #FAFAFA;
    --color-linen: #F3F4F3;
    --color-ink: #0A0A0A;
    
    --color-text-heading: #0A0A0A;
    --color-text-body: #202120;
    --color-text-secondary: #3C3E3D;
    --color-text-muted: #7A7B7B;
    --color-text-inverted: #FFFFFF;
    
    --color-border-hairline: #E5E5E5;
    --color-border-mid: #D4D4D4;
    
    --color-success: #10B981;
    --color-info: #0EA5E9;
    --color-warning: #F59E0B;
    --color-danger: #EF4444;
    
    --r-xs: 4px;
    --r-sm: 5px;
    --r-md: 8px;
    --r-lg: 12px;
    --r-xl: 20px;
    --r-pill: 50px;
    --r-full: 9999px;
    
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    --container-max: 1200px;
}

/* ─── 2. Global Resets & Zero Shadows Rule ─────────────────────────────── */
*, *::before, *::after {
    box-sizing: border-box;
    box-shadow: none !important;
}

html {
    scroll-behavior: smooth;
    max-width: 100%;
    overflow-x: hidden;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-body);
    color: var(--color-text-body);
    background-color: var(--color-canvas);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    max-width: 100%;
    overflow-x: hidden;
}

/* 48px Touch Target Standard for Mobile Ergonomics */
button,
a.btn-primary,
a.btn-secondary,
a.btn-whatsapp,
.btn-primary,
.btn-secondary,
.btn-whatsapp,
.faq-item-header,
.mobile-toggle,
.duration-pill-btn {
    min-height: 48px;
}

::selection {
    background-color: var(--color-primary);
    color: var(--color-text-inverted);
}

a {
    color: inherit;
    text-decoration: none;
}

img, svg {
    display: block;
    max-width: 100%;
}

button, input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* ─── 3. Layout & Containers ───────────────────────────────────────────── */
.container {
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
}

section {
    padding-top: 96px;
    padding-bottom: 96px;
    position: relative;
}

@media (max-width: 768px) {
    section {
        padding-top: 64px;
        padding-bottom: 64px;
    }
}

.bg-canvas { background-color: var(--color-canvas); }
.bg-paper { background-color: var(--color-paper); }
.bg-linen { background-color: var(--color-linen); }
.bg-ink { background-color: var(--color-ink); color: var(--color-text-inverted); }

/* ─── 4. Typography Scale & Two-Tone Headings ──────────────────────────── */
.section-tag-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background-color: var(--color-accent-wash);
    color: var(--color-primary);
    border: 1px solid var(--color-accent-wash-border);
    border-radius: var(--r-pill);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 20px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 3.5vw, 2.75rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin: 0 0 16px 0;
    color: var(--color-text-heading);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    max-width: 640px;
    margin: 0 auto;
}

/* Two-Tone Hero Headline (Zero-Pill Rule Compliant) */
.hero-headline {
    font-family: var(--font-heading);
    font-size: clamp(2.75rem, 6vw, 4.25rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.08;
    margin: 0 0 24px 0;
}

.hero-headline .line-highlight {
    display: block;
    color: var(--color-text-inverted);
}

.hero-headline .line-muted {
    display: block;
    color: rgba(255, 255, 255, 0.45);
}

/* ─── 5. Button & Action Component Tokens ──────────────────────────────── */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 36px;
    background-color: var(--color-primary);
    color: #FFFFFF;
    border: none;
    border-radius: var(--r-pill);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

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

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    background-color: transparent;
    color: var(--color-text-body);
    border: 1px solid var(--color-border-hairline);
    border-radius: var(--r-pill);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.btn-secondary:hover {
    background-color: var(--color-paper);
    border-color: var(--color-border-mid);
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background-color: var(--color-success);
    color: #FFFFFF;
    border: none;
    border-radius: var(--r-pill);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.btn-whatsapp:hover {
    opacity: 0.92;
}

/* ─── 6. Floating Pill Navbar ──────────────────────────────────────────── */
.navbar-wrapper {
    position: sticky;
    top: 0;
    z-index: 1000;
    padding-top: 16px;
    padding-left: 16px;
    padding-right: 16px;
}

.navbar-pill {
    max-width: var(--container-max);
    margin: 0 auto;
    height: 60px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--color-border-hairline);
    border-radius: var(--r-pill);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--color-text-heading);
}

.nav-brand img {
    height: 32px;
    width: auto;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 24px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color 0.2s ease;
}

.nav-menu a:hover {
    color: var(--color-primary);
}

.nav-cta-btn {
    padding: 10px 22px;
    background-color: var(--color-primary);
    color: #FFFFFF;
    border-radius: var(--r-pill);
    font-size: 0.875rem;
    font-weight: 700;
    transition: background-color 0.2s ease;
}

.nav-cta-btn:hover {
    background-color: var(--color-primary-hover);
}

/* Mobile Nav Toggle */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    color: var(--color-text-heading);
}

@media (max-width: 900px) {
    .nav-menu {
        display: none;
    }
    .mobile-toggle {
        display: block;
    }
}

/* ─── 7. Inside Community & Showcase Component ─────────────────────────── */
.showcase-stage {
    background: #FFFFFF;
    border: 1px solid var(--color-border-hairline);
    border-radius: var(--r-lg);
    overflow: hidden;
    margin-top: 40px;
}

.showcase-header-bar {
    background: var(--color-paper);
    padding: 12px 20px;
    border-bottom: 1px solid var(--color-border-hairline);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.window-dots {
    display: flex;
    gap: 6px;
}

.window-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #D4D4D4;
}

.showcase-content-grid {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: 380px;
}

@media (max-width: 768px) {
    .showcase-content-grid {
        grid-template-columns: 1fr;
    }
    .showcase-sidebar {
        display: none;
    }
}

.showcase-sidebar {
    background: var(--color-paper);
    border-right: 1px solid var(--color-border-hairline);
    padding: 16px;
}

.channel-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: var(--r-sm);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    cursor: pointer;
    margin-bottom: 4px;
}

.channel-item.is-active {
    background: var(--color-accent-wash);
    color: var(--color-primary);
    font-weight: 600;
}

.showcase-feed {
    padding: 24px;
    background: #FFFFFF;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.feed-card {
    border: 1px solid var(--color-border-hairline);
    border-radius: var(--r-md);
    padding: 16px;
    background: #FFFFFF;
}

/* ─── 8. Benefits & Bento Grids ────────────────────────────────────────── */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.benefit-card {
    background: #FFFFFF;
    border: 1px solid var(--color-border-hairline);
    border-radius: var(--r-md);
    padding: 32px 28px;
    transition: border-color 0.2s ease;
}

.benefit-card:hover {
    border-color: var(--color-primary);
}

.benefit-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: var(--r-sm);
    background: var(--color-accent-wash);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.benefit-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 0 10px 0;
    color: var(--color-text-heading);
}

.benefit-desc {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

/* ─── 9. How It Works Timeline ─────────────────────────────────────────── */
.timeline-track {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    position: relative;
    margin-top: 48px;
}

@media (max-width: 768px) {
    .timeline-track {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

.timeline-step {
    background: #FFFFFF;
    border: 1px solid var(--color-border-hairline);
    border-radius: var(--r-md);
    padding: 32px 24px;
    position: relative;
}

.step-badge {
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    color: #FFFFFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1rem;
    margin-bottom: 20px;
}

/* ─── 10. Pricing & Interactive Calculator ──────────────────────────────── */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.pricing-card {
    background: #FFFFFF;
    border: 1px solid var(--color-border-hairline);
    border-radius: var(--r-lg);
    padding: 36px 32px;
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card.is-popular {
    border-color: var(--color-primary);
}

.popular-badge {
    position: absolute;
    top: -12px;
    right: 24px;
    background: var(--color-primary);
    color: #FFFFFF;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: var(--r-pill);
    text-transform: uppercase;
}

.tier-price {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--color-text-heading);
    margin: 16px 0 8px 0;
}

.tier-cycle {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.tier-features {
    list-style: none;
    padding: 0;
    margin: 24px 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1;
}

.tier-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.925rem;
    color: var(--color-text-secondary);
}

.tier-features li svg {
    flex-shrink: 0;
    margin-top: 3px;
    color: var(--color-success);
}

/* Calculator Surface */
.calculator-box {
    background: var(--color-paper);
    border: 1px solid var(--color-border-hairline);
    border-radius: var(--r-lg);
    padding: 36px;
    max-width: 800px;
    margin: 0 auto;
}

.duration-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 16px 0;
}

.duration-pill-btn {
    padding: 10px 20px;
    border: 1px solid var(--color-border-hairline);
    background: #FFFFFF;
    border-radius: var(--r-pill);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-text-body);
    cursor: pointer;
    transition: all 0.2s ease;
}

.duration-pill-btn.is-active {
    background: var(--color-primary);
    color: #FFFFFF;
    border-color: var(--color-primary);
}

/* ─── 11. FAQ Accordion ────────────────────────────────────────────────── */
.faq-accordion {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 800px;
    margin: 0 auto 48px auto;
}

.faq-item {
    border: 1px solid var(--color-border-hairline);
    border-radius: var(--r-md);
    background: #FFFFFF;
    overflow: hidden;
    transition: border-color 0.2s ease;
}

.faq-item.is-active {
    border-color: var(--color-accent-wash-border);
}

.faq-item-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    background: #FFFFFF;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-text-heading);
    transition: background-color 0.2s ease;
}

.faq-item.is-active .faq-item-header {
    background-color: var(--color-accent-wash);
    color: var(--color-accent-text);
}

.faq-item-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    transition: transform 0.3s ease, color 0.2s ease;
}

.faq-item.is-active .faq-item-icon {
    transform: rotate(45deg);
    color: var(--color-primary);
}

.faq-item-body {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: #FFFFFF;
}

.faq-item.is-active .faq-item-body {
    grid-template-rows: 1fr;
}

.faq-item-content {
    overflow: hidden;
    padding: 0 24px;
}

.faq-item.is-active .faq-item-content {
    padding: 0 24px 24px 24px;
}

/* ─── 12. Modal Window ─────────────────────────────────────────────────── */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 10, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 20px;
}

.modal-backdrop.is-open {
    display: flex;
}

.modal-card {
    background: #FFFFFF;
    border: 1px solid var(--color-border-hairline);
    border-radius: var(--r-lg);
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 32px;
    position: relative;
}

.modal-close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-muted);
    padding: 6px;
}

.modal-close-btn:hover {
    color: var(--color-text-heading);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border-mid);
    border-radius: var(--r-sm);
    outline: none;
    box-sizing: border-box;
    font-size: 0.95rem;
    transition: border-color 0.2s ease;
}

.form-control:focus {
    border-color: var(--color-primary);
}

/* ─── 13. Floating WhatsApp Button ─────────────────────────────────────── */
.whatsapp-float-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: var(--color-success);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    transition: transform 0.2s ease;
}

.whatsapp-float-btn:hover {
    transform: scale(1.05);
}