/* ============================================
   theme.css - BS5 Site Theme
   Replaces clean-blog.css for Bootstrap 5 migration
   ============================================ */

/* ---- CSS Custom Properties ---- */
:root {
    --color-text: #2D2D2D;
    --color-text-muted: #6B7280;
    --color-accent: #4A7BA7;
    --color-accent-hover: #3A6389;
    --color-surface: #FAFAF9;
    --color-surface-dark: #1A1A2E;
    --color-border: #E5E7EB;
}

/* ---- Skip Link (accessibility) ---- */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    padding: 0.5rem 1rem;
    background: var(--color-accent);
    color: #fff;
    z-index: 9999;
    transition: top 0.2s;
}
.skip-link:focus {
    top: 0;
    color: #fff;
}

/* ---- Base Typography ---- */
body {
    font-family: 'Lora', 'Times New Roman', serif;
    font-size: 1.125rem;
    color: var(--color-text);
    -webkit-tap-highlight-color: var(--color-accent);
}

p {
    line-height: 1.6;
    margin: 1.5rem 0;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Inter', 'Helvetica Neue', sans-serif;
    font-weight: 800;
}

a {
    color: var(--color-text);
    transition: color 0.2s ease, transform 0.2s ease;
}
a:hover,
a:focus {
    color: var(--color-accent);
}
a:not(.btn):not(.nav-link):not(.navbar-brand):not(.hp-card a):not(.venture-card a):hover {
    transform: translateY(-1px);
}

a img:hover,
a img:focus {
    cursor: zoom-in;
}

blockquote {
    color: var(--color-text-muted);
    font-style: italic;
    border-left: 4px solid var(--color-border);
    padding-left: 1rem;
}

::selection {
    color: white;
    text-shadow: none;
    background: var(--color-accent);
}
::-moz-selection {
    color: white;
    text-shadow: none;
    background: var(--color-accent);
}
img::selection {
    color: white;
    background: transparent;
}
img::-moz-selection {
    color: white;
    background: transparent;
}

/* ---- Navbar ---- */
.navbar {
    font-family: 'Inter', sans-serif;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}
.navbar .navbar-brand {
    font-weight: 800;
    font-size: 1rem;
    letter-spacing: 0.5px;
}
.navbar .nav-link {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text);
}
.navbar .nav-link:hover,
.navbar .nav-link:focus {
    color: var(--color-accent);
}
.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

/* Transparent navbar over header images */
.navbar-transparent {
    background-color: transparent !important;
    border-bottom-color: transparent !important;
    box-shadow: none !important;
}
.navbar-transparent .navbar-brand,
.navbar-transparent .nav-link {
    color: white !important;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}
.navbar-transparent .navbar-brand:hover,
.navbar-transparent .nav-link:hover {
    color: rgba(255, 255, 255, 0.8) !important;
}
/* Ensure hamburger visible on transparent navbar */
.navbar-transparent .navbar-toggler {
    border-color: rgba(255, 255, 255, 0.4);
    background-color: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}
.navbar-transparent .navbar-toggler-icon {
    filter: invert(1);
}
.navbar-transparent.scrolled {
    background-color: rgba(255, 255, 255, 0.95) !important;
    border-bottom: 1px solid var(--color-border) !important;
}
.navbar-transparent.scrolled .navbar-brand,
.navbar-transparent.scrolled .nav-link {
    color: var(--color-text) !important;
    text-shadow: none;
}
.navbar-transparent.scrolled .navbar-brand:hover,
.navbar-transparent.scrolled .nav-link:hover {
    color: var(--color-accent) !important;
}
.navbar-transparent.scrolled .navbar-toggler {
    border-color: rgba(0, 0, 0, 0.1);
    background-color: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}
.navbar-transparent.scrolled .navbar-toggler-icon {
    filter: none;
}
/* When collapsed menu is open on transparent navbar, add background */
.navbar-transparent .navbar-collapse.show,
.navbar-transparent .navbar-collapse.collapsing {
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: 0.5rem;
    padding: 0.5rem;
    margin-top: 0.5rem;
}
.navbar-transparent .navbar-collapse.show .nav-link,
.navbar-transparent .navbar-collapse.collapsing .nav-link {
    color: var(--color-text) !important;
}

/* ---- Responsive Video Embed ---- */
.video-embed {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    overflow: hidden;
}
.video-embed iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* ---- Intro Header ---- */
.intro-header {
    background-color: #808080;
    background: no-repeat center center;
    background-size: cover;
    margin-bottom: 3rem;
    position: relative;
}
.intro-header.has-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.45), rgba(0, 0, 0, 0.3));
    z-index: 1;
}
.intro-header.has-overlay .container {
    position: relative;
    z-index: 2;
}

.intro-header .site-heading,
.intro-header .post-heading,
.intro-header .page-heading {
    padding: 6rem 0 3rem;
    color: white;
}
@media (min-width: 768px) {
    .intro-header .site-heading,
    .intro-header .post-heading,
    .intro-header .page-heading {
        padding: 9rem 0 5rem;
    }
}

/* Site/page heading (centered) */
.intro-header .site-heading,
.intro-header .page-heading {
    text-align: center;
}
.intro-header .site-heading h1,
.intro-header .page-heading h1 {
    margin-top: 0;
    font-size: 2.75rem;
}
.intro-header .site-heading .subheading,
.intro-header .page-heading .subheading {
    font-size: 1.25rem;
    line-height: 1.1;
    display: block;
    font-family: 'Lora', serif;
    font-weight: 400;
    font-style: italic;
    margin: 0.75rem 0 0;
    color: rgba(255, 255, 255, 0.85);
}
@media (min-width: 768px) {
    .intro-header .site-heading h1,
    .intro-header .page-heading h1 {
        font-size: 4rem;
    }
    .intro-header .site-heading .subheading,
    .intro-header .page-heading .subheading {
        font-size: 1.5rem;
    }
}

/* Post heading (left-aligned) */
.intro-header .post-heading h1 {
    font-size: 2rem;
    color: inherit;
}
.intro-header .post-heading h2 {
    color: inherit;
}
.intro-header .post-heading .subheading {
    font-family: 'Lora', serif;
    font-size: 1.25rem;
    margin: 0.75rem 0 1.5rem;
    font-weight: 400;
    font-style: italic;
    line-height: 1.1;
    display: block;
}
.intro-header .post-heading .meta {
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    font-size: 0.9375rem;
    letter-spacing: 0.3px;
    line-height: 1.1;
    display: block;
    color: inherit;
}
.intro-header .post-heading .meta a {
    color: white;
}
@media (min-width: 768px) {
    .intro-header .post-heading h1 {
        font-size: 3rem;
    }
    .intro-header .post-heading .subheading {
        font-size: 1.5rem;
    }
}

/* ---- Post Content ---- */
article p {
    line-height: 1.6;
}
article p a {
    text-decoration: underline;
}
article img {
    max-width: 100%;
    height: auto;
}

/* Code blocks */
article pre {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    padding: 1rem;
    overflow-x: auto;
}
article code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875em;
}
article pre code {
    background: none;
    padding: 0;
}
article :not(pre) > code {
    background-color: var(--color-surface);
    padding: 0.15em 0.4em;
    border-radius: 0.25rem;
}

/* ---- Post Previews (blog listing) ---- */
.post-preview > a {
    color: var(--color-text);
    text-decoration: none;
}
.post-preview > a:hover,
.post-preview > a:focus {
    text-decoration: none;
    color: var(--color-accent);
}
.post-preview > a > .post-title {
    font-size: 1.75rem;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}
.post-preview > a > .post-subtitle {
    margin: 0 0 0.5rem;
    font-weight: 400;
    font-family: 'Lora', serif;
    color: var(--color-text-muted);
    font-size: 1rem;
}
.post-preview > .post-meta {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-top: 0;
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    letter-spacing: 0.3px;
}
@media (min-width: 768px) {
    .post-preview > a > .post-title {
        font-size: 2rem;
    }
}

/* ---- Prev/Next Navigation ---- */
.post-nav {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}
.post-nav a {
    font-family: 'Inter', sans-serif;
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-decoration: none;
    color: var(--color-text);
    transition: color 0.2s ease;
}
.post-nav a:hover {
    color: var(--color-accent);
}
.post-nav .post-nav-next {
    margin-left: auto;
    text-align: right;
}

/* ---- Components ---- */

/* Caption */
.caption {
    text-align: center;
    font-family: 'Inter', sans-serif;
    font-size: 0.8125rem;
    font-weight: 400;
    padding: 0.5rem;
    margin: 0;
    display: block;
    color: var(--color-text-muted);
}

/* Section heading */
.section-heading {
    font-size: 2rem;
    margin-top: 3rem;
    font-weight: 700;
}

/* HR styling */
hr.small {
    max-width: 100px;
    margin: 1rem auto;
    border-width: 4px;
    border-color: white;
}

/* ---- Buttons ---- */
.btn {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    letter-spacing: 0.5px;
    transition: transform 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                background-color 0.2s ease,
                border-color 0.2s ease,
                color 0.2s ease;
}
.btn:hover {
    transform: scale(1.03);
}

/* Accent button */
.btn-accent {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
}
.btn-accent:hover,
.btn-accent:focus {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: #fff;
}

/* Outline accent button */
.btn-outline-accent {
    border-color: var(--color-border);
    color: var(--color-text);
    background-color: transparent;
}
.btn-outline-accent:hover,
.btn-outline-accent:focus {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background-color: transparent;
}

/* Alert adjustments */
.alert {
    border-radius: 0.5rem;
    font-size: 1rem;
}

/* Lead paragraph */
.lead {
    font-size: 1.25rem;
    font-weight: 400;
}

/* ---- Noise Overlay ---- */
.hp-wrapper::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---- Scroll Reveal ---- */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal-stagger > .reveal:nth-child(1) { transition-delay: 0s; }
.reveal-stagger > .reveal:nth-child(2) { transition-delay: 0.08s; }
.reveal-stagger > .reveal:nth-child(3) { transition-delay: 0.16s; }

@media (prefers-reduced-motion: reduce) {
    .reveal, .reveal.visible {
        transition: none;
        opacity: 1;
        transform: none;
    }
}

/* ---- Footer ---- */

/* ---- Mono Utility ---- */
.font-mono {
    font-family: 'JetBrains Mono', monospace;
}

/* ---- Homepage Sections ---- */

/* Hero */
.hp-hero {
    padding-top: 7.5rem;
    padding-bottom: 4rem;
}
.hp-hero-photo img {
    border-radius: 1rem;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}
.hp-name {
    font-weight: 700;
    font-size: 3rem;
    line-height: 1.1;
}
.hp-tagline {
    font-family: 'Lora', serif;
    font-style: italic;
    font-size: 1.375rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}
.hp-bio p {
    font-size: 1.125rem;
    line-height: 1.6;
}
@media (max-width: 991.98px) {
    .hp-hero { padding-top: 5.5rem; }
    .hp-name { font-size: 2.25rem; }
    .hp-tagline { font-size: 1.125rem; }
    .hp-hero-photo {
        margin-left: calc(-0.5 * var(--bs-gutter-x, 1.5rem));
        margin-right: calc(-0.5 * var(--bs-gutter-x, 1.5rem));
    }
    .hp-hero-photo img { border-radius: 0; }
}

/* Credibility bar */
.hp-credibility {
    background-color: var(--color-surface);
}
.hp-logos {
    display: grid;
    grid-template-columns: repeat(9, 1fr);
    gap: 1.5rem 1rem;
    margin: 0 auto;
}
.hp-logo-cell {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 44px;
}
.hp-logo-cell img {
    max-height: 38px;
    max-width: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.55;
    transition: opacity 0.3s ease;
}
.hp-logo-cell img:hover {
    opacity: 1;
}
@media (max-width: 767.98px) {
    .hp-logos {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem 0.75rem;
    }
    .hp-logo-cell img {
        max-height: 28px;
    }
}

/* Post cards (homepage) */
.hp-card {
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    overflow: hidden;
    transition: transform 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                box-shadow 0.2s ease;
}
.hp-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}
.hp-card a {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    height: 100%;
}
.hp-card a:hover { color: inherit; }
.hp-card-img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}
.hp-card-body {
    display: flex;
    flex-direction: column;
    flex: 1;
}
.hp-card-excerpt {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.hp-card-date {
    margin-top: auto;
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    font-size: 0.8125rem;
    letter-spacing: 0.3px;
}

/* About teaser (homepage) */
.hp-about {
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
}
.hp-about-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.hp-about-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-family: 'Inter', sans-serif;
    font-weight: 400;
}
.hp-about-list li:last-child {
    border-bottom: none;
}

/* ---- Pagination ---- */
.pagination .page-link {
    font-family: 'Inter', sans-serif;
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text);
    border-color: var(--color-border);
    padding: 0.75rem 1.25rem;
}
.pagination .page-link:hover {
    color: white;
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}
.pagination .page-item.disabled .page-link {
    color: var(--color-text-muted);
}

/* ---- Form Styles ---- */
.form-control:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 0.2rem rgba(74, 123, 167, 0.25);
}

/* ---- Images ---- */
.img-fluid {
    max-width: 100%;
    height: auto;
}

/* ---- Homepage Hero Sky Background (desktop only) ---- */
@media (min-width: 992px) {
    .hp-hero {
        background: url('/img/digital-marketing-consultant.jpg') no-repeat center top;
        background-size: cover;
        position: relative;
        padding-top: 9rem;
    }
    .hp-hero::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(to bottom, rgba(255,255,255,0) 0%, rgba(255,255,255,0.7) 40%, rgba(255,255,255,1) 70%);
        z-index: 0;
    }
    .hp-hero > .container {
        position: relative;
        z-index: 1;
    }
}

/* ---- About Page ---- */
.about-photo img {
    border-radius: 1rem;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

/* ---- Timeline ---- */
.timeline {
    position: relative;
    padding-left: 2rem;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--color-border);
}
.timeline-item {
    position: relative;
    padding-bottom: 1.5rem;
}
.timeline-item:last-child {
    padding-bottom: 0;
}
.timeline-item::before {
    content: '';
    position: absolute;
    left: -2rem;
    top: 0.35rem;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--color-accent);
    transform: translateX(-4px);
}
.timeline-year {
    font-family: 'Inter', sans-serif;
    font-weight: 800;
    font-size: 1.125rem;
    color: var(--color-text);
    margin-bottom: 0.25rem;
}
.timeline-item ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: 0;
}
.timeline-item li {
    padding: 0.25rem 0;
    color: var(--color-text-muted);
    font-family: 'Inter', sans-serif;
    font-size: 0.875rem;
    font-weight: 400;
}

/* ---- Venture Cards ---- */
.venture-card {
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    padding: 1.5rem;
    height: 100%;
    transition: transform 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                box-shadow 0.2s ease;
}
.venture-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}
.venture-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}
.venture-card h3 a {
    text-decoration: none;
    color: var(--color-text);
}
.venture-card h3 a:hover {
    color: var(--color-accent);
}
.venture-card .venture-role {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
}
.venture-card p:last-child {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    margin-bottom: 0;
    line-height: 1.5;
}

/* ---- Bio Card ---- */
.bio-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    padding: 2rem;
}

/* ---- Contact Card ---- */
.contact-card {
    background-color: #fff;
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    padding: 2rem;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

/* ---- Enhanced Footer ---- */
.site-footer-enhanced {
    background-color: var(--color-surface-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 3rem 0 2rem;
    font-family: 'Inter', sans-serif;
    font-size: 0.9375rem;
    font-weight: 400;
}
.site-footer-enhanced a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.2s ease;
}
.site-footer-enhanced a:hover {
    color: #fff;
}
.site-footer-enhanced h6 {
    color: #fff;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 1rem;
}
.site-footer-enhanced .footer-divider {
    border-color: rgba(255, 255, 255, 0.1);
    margin: 1.5rem 0;
}
.site-footer-enhanced .footer-bottom {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.4);
}
.site-footer-enhanced .footer-bottom a {
    color: rgba(255, 255, 255, 0.4);
}
.site-footer-enhanced .footer-bottom a:hover {
    color: rgba(255, 255, 255, 0.7);
}
.site-footer-enhanced .social-icon svg {
    width: 40px;
    height: 40px;
    transition: opacity 0.2s ease;
}
.site-footer-enhanced .social-icon:hover svg {
    opacity: 0.8;
}