/* ==========================================================================
   PERSONAL PROFESSIONAL PORTFOLIO - PRATAMA DYAS WICAKSANA, S.Kom.
   Design System: Modern Light Personal Professional
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties / Color Palette & Tokens
   -------------------------------------------------------------------------- */
:root {
    --bg-main: #FFFFFF;
    --bg-alt: #F8FAFC;
    --bg-card: #FFFFFF;
    --border-color: #E2E8F0;
    --border-hover: #CBD5E1;
    
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #64748B;
    
    --accent-blue: #2563EB;
    --accent-blue-hover: #1D4ED8;
    --accent-blue-light: #EFF6FF;
    --accent-blue-border: #BFDBFE;
    
    --accent-dark: #0F172A;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-full: 9999px;
    
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
}

/* --------------------------------------------------------------------------
   2. Base & Typography
   -------------------------------------------------------------------------- */
body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-main);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6, .font-heading {
    font-family: 'Poppins', 'Inter', sans-serif;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-blue-hover);
}

/* Section Spacing */
.section-padding {
    padding-top: 5rem;
    padding-bottom: 5rem;
    position: relative;
}

.section-padding-sm {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
    position: relative;
}

.bg-alt-section {
    background-color: var(--bg-alt);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

/* Section Headers */
.section-subtitle {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.85rem;
    background-color: var(--accent-blue-light);
    color: var(--accent-blue);
    border: 1px solid var(--accent-blue-border);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.25rem;
    margin-bottom: 1rem;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 680px;
}

/* --------------------------------------------------------------------------
   3. Navbar Component
   -------------------------------------------------------------------------- */
.navbar-custom {
    background-color: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-base);
    padding: 0.9rem 0;
    z-index: 1040;
}

.navbar-custom.scrolled {
    padding: 0.6rem 0;
    box-shadow: var(--shadow-sm);
}

.navbar-brand-name {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
}

.navbar-brand-tag {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: block;
    font-weight: 500;
}

.nav-link-custom {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 0.9rem !important;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-link-custom:hover,
.nav-link-custom.active {
    color: var(--accent-blue);
    background-color: var(--accent-blue-light);
}

/* Mobile Offcanvas */
.offcanvas-custom {
    border-left: 1px solid var(--border-color);
    z-index: 1050;
}

.offcanvas-nav-link {
    display: block;
    padding: 0.75rem 1rem;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    margin-bottom: 0.35rem;
}

.offcanvas-nav-link:hover,
.offcanvas-nav-link.active {
    background-color: var(--accent-blue-light);
    color: var(--accent-blue);
}

/* --------------------------------------------------------------------------
   4. Hero & Subpage Header Sections
   -------------------------------------------------------------------------- */
/* Homepage Hero */
.hero-section {
    padding-top: 8.5rem;
    padding-bottom: 5.5rem;
    background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
    position: relative;
}

/* Subpage Dedicated Header (Clears fixed navbar comfortably) */
.subpage-hero {
    padding-top: 8.5rem !important;
    padding-bottom: 4rem !important;
    background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
    border-bottom: 1px solid var(--border-color);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background-color: #F1F5F9;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
}

.hero-title {
    font-size: 2.8rem;
    line-height: 1.2;
    margin-bottom: 0.75rem;
}

.hero-positioning {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent-blue);
    margin-bottom: 1.25rem;
}

.hero-intro {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 580px;
    margin-bottom: 2rem;
}

.hero-tagline-box {
    display: inline-flex;
    gap: 1.5rem;
    padding: 0.75rem 1.25rem;
    background: var(--bg-main);
    border: 1px dashed var(--accent-blue-border);
    border-radius: var(--radius-md);
    margin-bottom: 2rem;
}

.hero-tagline-item {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

/* Transparent PNG Photo Container Styling */
.hero-image-wrapper {
    position: relative;
    text-align: center;
    max-width: 440px;
    margin: 0 auto;
}

/* Subtle soft backdrop glow behind transparent PNG */
.hero-image-wrapper::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 85%;
    height: 85%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.12) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    z-index: 1;
    pointer-events: none;
}

.hero-img-transparent {
    width: 100%;
    max-height: 490px;
    object-fit: contain;
    object-position: bottom center;
    position: relative;
    z-index: 2;
    /* Soft natural drop shadow for transparent PNG */
    filter: drop-shadow(0 12px 24px rgba(15, 23, 42, 0.15));
    transition: transform var(--transition-base);
}

.hero-img-transparent:hover {
    transform: translateY(-4px);
}

.hero-image-caption-seamless {
    margin-top: 0.75rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    position: relative;
    z-index: 2;
}

/* --------------------------------------------------------------------------
   5. Custom Buttons
   -------------------------------------------------------------------------- */
.btn-primary-custom {
    background-color: var(--accent-blue);
    color: #FFFFFF !important;
    border: 1px solid var(--accent-blue);
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-sm);
}

.btn-primary-custom:hover {
    background-color: var(--accent-blue-hover);
    border-color: var(--accent-blue-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-secondary-custom {
    background-color: var(--bg-main);
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color);
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-secondary-custom:hover {
    background-color: var(--bg-alt);
    border-color: var(--border-hover);
    transform: translateY(-1px);
}

.btn-wa-custom {
    background-color: #25D366;
    color: #FFFFFF !important;
    border: 1px solid #25D366;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-sm);
}

.btn-wa-custom:hover {
    background-color: #1EBE5D;
    border-color: #1EBE5D;
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   6. Custom Cards & Modules
   -------------------------------------------------------------------------- */
.custom-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    height: auto;
    transition: all var(--transition-base);
}

.custom-card.h-100 {
    height: 100%;
}

.custom-card:hover {
    border-color: var(--accent-blue-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.card-icon-box {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background-color: var(--accent-blue-light);
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 1.25rem;
}

/* Timeline Layout */
.timeline-wrapper {
    position: relative;
    padding-left: 2rem;
}

.timeline-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 7px;
    width: 2px;
    background-color: var(--border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 2.5rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -2rem;
    top: 0.25rem;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: var(--bg-main);
    border: 3px solid var(--accent-blue);
}

.timeline-date {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--accent-blue-light);
    color: var(--accent-blue);
    font-weight: 700;
    font-size: 0.85rem;
    border-radius: var(--radius-full);
    margin-bottom: 0.5rem;
}

.timeline-role {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.timeline-org {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
}

/* Gallery Carousel & Placeholder Box */
.custom-carousel {
    border: 1px solid var(--border-color);
    background-color: #0F172A;
}

.gallery-slide-container {
    position: relative;
    width: 100%;
    height: 480px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #0F172A;
    overflow: hidden;
}

.gallery-slide-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.gallery-placeholder-box {
    background-color: var(--bg-alt);
    border: 2px dashed var(--border-hover) !important;
}

/* Teaching Cards */
.teaching-card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    background: var(--bg-card);
    transition: all var(--transition-fast);
}

.teaching-card:hover {
    border-color: var(--accent-blue-border);
    box-shadow: var(--shadow-sm);
}

.teaching-badge {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    background-color: var(--bg-alt);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* What I Do Pill Cards */
.wid-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem 1.5rem;
    text-align: center;
    height: 100%;
    transition: all var(--transition-base);
}

.wid-card:hover {
    border-color: var(--accent-blue);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.wid-icon {
    font-size: 2.2rem;
    color: var(--accent-blue);
    margin-bottom: 1rem;
}

.wid-title {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

/* AI-Assisted Card */
.ai-box {
    background: linear-gradient(135deg, #F8FAFC 0%, #EFF6FF 100%);
    border: 1px solid var(--accent-blue-border);
    border-radius: var(--radius-md);
    padding: 1.75rem;
}

/* Entrepreneurship Section Box */
.entrepreneur-card {
    background-color: #0F172A;
    color: #FFFFFF;
    border-radius: var(--radius-lg);
    padding: 3rem 2.5rem;
    box-shadow: var(--shadow-lg);
}

.entrepreneur-card h2, 
.entrepreneur-card h3,
.entrepreneur-card h4 {
    color: #FFFFFF !important;
}

.entrepreneur-card p,
.entrepreneur-card div {
    color: #CBD5E1;
}

.btn-company {
    background-color: var(--accent-blue);
    color: #FFFFFF !important;
    padding: 0.8rem 1.75rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-fast);
}

.btn-company:hover {
    background-color: #3B82F6;
    transform: translateY(-2px);
}

/* Project Cards */
.project-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-base);
}

.project-card:hover {
    border-color: var(--accent-blue-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.project-card-header {
    padding: 1.5rem 1.5rem 0.5rem 1.5rem;
}

.project-tag {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background-color: var(--accent-blue-light);
    color: var(--accent-blue);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    margin-bottom: 0.5rem;
}

.project-card-body {
    padding: 0 1.5rem 1.5rem 1.5rem;
    flex-grow: 1;
}

.project-card-footer {
    padding: 1rem 1.5rem;
    background-color: var(--bg-alt);
    border-top: 1px solid var(--border-color);
}

/* Privacy Notice Badge */
.privacy-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    background: #F1F5F9;
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-sm);
}

/* Contact Module */
.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background-color: var(--accent-blue-light);
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
}

.contact-value {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   7. Social Links Component
   -------------------------------------------------------------------------- */
.social-links-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.social-btn {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-md);
    background-color: #1E293B;
    border: 1px solid #334155;
    color: #F8FAFC !important;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all var(--transition-fast);
}

.social-btn:hover {
    background-color: var(--accent-blue) !important;
    border-color: var(--accent-blue) !important;
    color: #FFFFFF !important;
    transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   8. Footer Component (High Contrast Dark Theme)
   -------------------------------------------------------------------------- */
.footer-custom {
    background-color: #0F172A !important;
    color: #CBD5E1 !important;
    padding-top: 4.5rem;
    padding-bottom: 2.5rem;
    border-top: 1px solid #1E293B;
}

.footer-custom h5,
.footer-custom h6 {
    color: #FFFFFF !important;
    font-size: 1.1rem;
    margin-bottom: 1.25rem;
    font-weight: 700;
}

.footer-custom p,
.footer-custom span,
.footer-custom div,
.footer-custom small,
.footer-custom .text-muted,
.footer-custom .text-secondary {
    color: #94A3B8 !important;
}

.footer-link {
    color: #CBD5E1 !important;
    display: block;
    margin-bottom: 0.6rem;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: #60A5FA !important;
}

.footer-custom .btn-outline-light {
    color: #F8FAFC !important;
    border-color: #475569 !important;
    background-color: transparent !important;
}

.footer-custom .btn-outline-light:hover {
    background-color: var(--accent-blue) !important;
    border-color: var(--accent-blue) !important;
    color: #FFFFFF !important;
}

.footer-bottom {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid #1E293B;
    font-size: 0.9rem;
    color: #94A3B8 !important;
}

.footer-bottom div,
.footer-bottom span {
    color: #94A3B8 !important;
}

/* --------------------------------------------------------------------------
   9. Scroll Reveal Animation Classes
   -------------------------------------------------------------------------- */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* --------------------------------------------------------------------------
   10. Responsive Tweaks
   -------------------------------------------------------------------------- */
@media (max-width: 991.98px) {
    .hero-section,
    .subpage-hero {
        padding-top: 7.5rem !important;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-image-wrapper {
        margin-top: 2rem;
    }
    
    .section-title {
        font-size: 1.85rem;
    }
    
    .entrepreneur-card {
        padding: 2rem 1.5rem;
    }

    .gallery-slide-container {
        height: 380px;
    }
}

@media (max-width: 575.98px) {
    .hero-section,
    .subpage-hero {
        padding-top: 7rem !important;
    }

    .hero-title {
        font-size: 1.85rem;
    }
    
    .hero-tagline-box {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .section-padding {
        padding-top: 3.5rem;
        padding-bottom: 3.5rem;
    }
    
    .timeline-wrapper {
        padding-left: 1.5rem;
    }
    
    .timeline-dot {
        left: -1.5rem;
    }

    .gallery-slide-container {
        height: 260px;
    }
}