/* =========================================================
   Portfolio Chapter 1: Professional Foundations
   Reflection-aligned layout
   ========================================================= */

:root {
    --portfolio-ink: #0f172a;
    --portfolio-muted: #64748b;
    --portfolio-soft: #f8fafc;
    --portfolio-line: #e2e8f0;
    --portfolio-card: #ffffff;
    --portfolio-blue: #4f46e5;
    --portfolio-blue-soft: #eef2ff;
    --portfolio-green: #059669;
    --portfolio-green-soft: #ecfdf5;
    --portfolio-orange: #ea580c;
    --portfolio-orange-soft: #fff7ed;
    --portfolio-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: #ffffff;
    color: var(--portfolio-ink);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.7;
}

p {
    color: #334155;
}

a {
    color: inherit;
}

.portfolio-shell {
    width: min(1120px, calc(100% - 2rem));
    margin: 0 auto;
}

/* =========================================================
   Hero
   ========================================================= */

.portfolio-hero {
    padding: 5.5rem 0 4rem;
    background:
        radial-gradient(circle at top left, rgba(79, 70, 229, 0.14), transparent 34%),
        radial-gradient(circle at bottom right, rgba(234, 88, 12, 0.10), transparent 32%),
        #f8fafc;
    border-bottom: 1px solid var(--portfolio-line);
}

.portfolio-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
    gap: 2rem;
    align-items: center;
}

.portfolio-label,
.portfolio-section-kicker,
.portfolio-card-kicker,
.portfolio-evidence-number {
    margin: 0 0 0.7rem;
    color: var(--portfolio-muted);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.portfolio-hero h1 {
    max-width: 780px;
    margin: 0;
    font-size: clamp(3.1rem, 7vw, 6.2rem);
    font-weight: 760;
    letter-spacing: -0.06em;
    line-height: 0.95;
}

.portfolio-hero-subtitle {
    max-width: 720px;
    margin: 1.4rem 0 0;
    color: #475569;
    font-size: clamp(1.12rem, 2vw, 1.35rem);
    line-height: 1.6;
}

.portfolio-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 2rem;
}

.portfolio-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.65rem 1.2rem;
    border-radius: 999px;
    border: 1px solid #0f172a;
    background: #0f172a;
    color: white;
    font-size: 0.92rem;
    font-weight: 750;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.portfolio-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.18);
}

.portfolio-button-secondary {
    background: white;
    color: #0f172a;
    border-color: #cbd5e1;
}

.portfolio-snapshot-card {
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-radius: 30px;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.82);
    box-shadow: var(--portfolio-shadow);
    backdrop-filter: blur(14px);
}

.portfolio-snapshot-card h2 {
    margin: 0 0 1rem;
    font-size: 1.55rem;
    line-height: 1.18;
}

.portfolio-snapshot-list {
    display: grid;
    gap: 1rem;
    margin: 0;
}

.portfolio-snapshot-list div {
    padding-top: 1rem;
    border-top: 1px solid var(--portfolio-line);
}

.portfolio-snapshot-list dt {
    margin-bottom: 0.25rem;
    color: var(--portfolio-muted);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.portfolio-snapshot-list dd {
    margin: 0;
    color: #1e293b;
    font-weight: 680;
    line-height: 1.45;
}

/* =========================================================
   Navigation
   ========================================================= */

.portfolio-anchor-nav {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--portfolio-line);
}

.portfolio-anchor-nav .portfolio-shell {
    display: flex;
    gap: 0.55rem;
    overflow-x: auto;
    padding: 0.6rem 0;
    scrollbar-width: none;
}

.portfolio-anchor-nav .portfolio-shell::-webkit-scrollbar {
    display: none;
}

.portfolio-anchor-nav a {
    flex: 0 0 auto;
    padding: 0.45rem 0.78rem;
    border-radius: 999px;
    color: #334155;
    font-size: 0.84rem;
    font-weight: 720;
    text-decoration: none;
    transition: background 0.2s ease, color 0.2s ease;
}

.portfolio-anchor-nav a:hover {
    background: #0f172a;
    color: white;
}

/* =========================================================
   General sections and cards
   ========================================================= */

.portfolio-section {
    padding: 4rem 0;
    scroll-margin-top: 4.5rem;
}

.portfolio-soft-section {
    background: #f8fafc;
    border-top: 1px solid var(--portfolio-line);
    border-bottom: 1px solid var(--portfolio-line);
}

.portfolio-content-card,
.portfolio-evidence-detail-card,
.portfolio-next-card {
    background: var(--portfolio-card);
    border: 1px solid var(--portfolio-line);
    border-radius: 28px;
    padding: 2rem;
    box-shadow: 0 10px 32px rgba(15, 23, 42, 0.05);
}

.portfolio-content-card h2,
.portfolio-section-heading h2,
.portfolio-evidence-detail-card h2,
.portfolio-next-card h2 {
    margin: 0 0 1rem;
    font-size: clamp(1.75rem, 3vw, 2.55rem);
    letter-spacing: -0.035em;
    line-height: 1.12;
}

.portfolio-content-card p:last-child,
.portfolio-section-heading p:last-child,
.portfolio-next-card p:last-child {
    margin-bottom: 0;
}

.portfolio-intro-grid,
.portfolio-link-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
    gap: 1.25rem;
    align-items: stretch;
}

.portfolio-lead-card {
    border-top: 5px solid var(--portfolio-blue);
}

.portfolio-reader-card {
    background: var(--portfolio-blue-soft);
    border-color: #c7d2fe;
}

.portfolio-check-list {
    margin: 0;
    padding-left: 1.1rem;
    color: #334155;
}

.portfolio-check-list li {
    margin-bottom: 0.7rem;
}

.portfolio-check-list li::marker {
    color: var(--portfolio-blue);
    font-weight: 900;
}

.portfolio-section-heading {
    max-width: 820px;
    margin-bottom: 1.8rem;
}

/* =========================================================
   Evidence overview cards
   ========================================================= */

.portfolio-evidence-overview-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.portfolio-overview-card {
    display: block;
    min-height: 250px;
    padding: 1.35rem;
    border: 1px solid var(--portfolio-line);
    border-radius: 24px;
    background: white;
    color: inherit;
    text-decoration: none;
    box-shadow: 0 10px 26px rgba(15, 23, 42, 0.045);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.portfolio-overview-card:hover {
    transform: translateY(-4px);
    border-color: #c7d2fe;
    box-shadow: 0 18px 42px rgba(15, 23, 42, 0.09);
}

.portfolio-overview-card span {
    display: inline-flex;
    margin-bottom: 1rem;
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    background: var(--portfolio-blue-soft);
    color: #3730a3;
    font-size: 0.76rem;
    font-weight: 850;
}

.portfolio-overview-card h3 {
    margin: 0 0 0.65rem;
    font-size: 1.25rem;
    line-height: 1.2;
}

.portfolio-overview-card p {
    margin: 0;
    color: #475569;
}

/* =========================================================
   Detailed evidence cards
   ========================================================= */

.portfolio-evidence-detail-card {
    position: relative;
    overflow: hidden;
    border-top: 6px solid var(--portfolio-blue);
}

.portfolio-evidence-detail-card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto auto;
    width: 220px;
    height: 220px;
    border-radius: 999px;
    background: rgba(79, 70, 229, 0.08);
    transform: translate(40%, -40%);
    pointer-events: none;
}

.portfolio-evidence-accent-green {
    border-top-color: var(--portfolio-green);
}

.portfolio-evidence-accent-green::before {
    background: rgba(5, 150, 105, 0.08);
}

.portfolio-evidence-accent-orange {
    border-top-color: var(--portfolio-orange);
}

.portfolio-evidence-accent-orange::before {
    background: rgba(234, 88, 12, 0.09);
}

.portfolio-evidence-header {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(240px, 0.55fr);
    gap: 1.25rem;
    align-items: start;
    margin-bottom: 1.3rem;
}

.portfolio-evidence-detail-card h2 {
    margin-bottom: 0;
}

.portfolio-evidence-summary {
    margin: 0;
    padding: 1rem;
    border-radius: 20px;
    background: #f8fafc;
    border: 1px solid var(--portfolio-line);
    color: #475569;
    font-weight: 650;
}

.portfolio-reflection-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.portfolio-reflection-panel {
    padding: 1.1rem;
    border: 1px solid var(--portfolio-line);
    border-radius: 22px;
    background: #ffffff;
}

.portfolio-reflection-panel h3 {
    margin: 0 0 0.55rem;
    color: #0f172a;
    font-size: 1rem;
}

.portfolio-reflection-panel p {
    margin: 0;
    color: #475569;
}

.portfolio-wide-panel {
    grid-column: 1 / -1;
    background: #f8fafc;
}

.portfolio-focus-strip {
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-top: 1.2rem;
    padding: 1rem;
    border: 1px dashed #cbd5e1;
    border-radius: 22px;
    background: rgba(248, 250, 252, 0.7);
}

.portfolio-focus-strip span {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 0.35rem 0.72rem;
    border-radius: 999px;
    background: #eef2ff;
    color: #3730a3;
    font-size: 0.78rem;
    font-weight: 820;
}

.portfolio-evidence-accent-green .portfolio-focus-strip span {
    background: var(--portfolio-green-soft);
    color: #065f46;
}

.portfolio-evidence-accent-orange .portfolio-focus-strip span {
    background: var(--portfolio-orange-soft);
    color: #9a3412;
}

.portfolio-evidence-extract {
    position: relative;
    z-index: 1;
    margin-top: 1.2rem;
    border: 1px solid var(--portfolio-line);
    border-radius: 22px;
    background: #ffffff;
    overflow: hidden;
}

.portfolio-evidence-extract summary {
    cursor: pointer;
    padding: 1rem 1.2rem;
    background: #0f172a;
    color: white;
    font-weight: 800;
    list-style-position: inside;
}

.portfolio-evidence-extract summary::marker {
    color: #cbd5e1;
}

.portfolio-evidence-extract div {
    padding: 1.2rem;
}

.portfolio-evidence-extract p {
    margin-top: 0;
}

.portfolio-evidence-extract p:last-child {
    margin-bottom: 0;
}

.portfolio-context-table-wrap {
    overflow-x: auto;
}

.portfolio-context-table {
    width: 100%;
    min-width: 680px;
    border-collapse: collapse;
    border-radius: 16px;
    overflow: hidden;
}

.portfolio-context-table th,
.portfolio-context-table td {
    padding: 0.9rem 1rem;
    border-bottom: 1px solid var(--portfolio-line);
    vertical-align: top;
    text-align: left;
}

.portfolio-context-table th {
    width: 210px;
    background: #f8fafc;
    color: #0f172a;
    font-weight: 850;
}

.portfolio-context-table td {
    color: #475569;
}

.portfolio-context-table tr:last-child th,
.portfolio-context-table tr:last-child td {
    border-bottom: 0;
}

/* =========================================================
   Closing section
   ========================================================= */

.portfolio-next-card {
    background: #0f172a;
    color: white;
    box-shadow: 0 20px 48px rgba(15, 23, 42, 0.18);
}

.portfolio-next-card h2,
.portfolio-next-card p,
.portfolio-next-card .portfolio-card-kicker {
    color: white;
}

.portfolio-next-card p {
    opacity: 0.86;
}

.portfolio-next-card .portfolio-button {
    margin-top: 0.5rem;
    background: white;
    color: #0f172a;
    border-color: white;
}

/* =========================================================
   Responsive
   ========================================================= */

@media (max-width: 900px) {
    .portfolio-hero-grid,
    .portfolio-intro-grid,
    .portfolio-link-grid,
    .portfolio-evidence-header,
    .portfolio-reflection-grid,
    .portfolio-evidence-overview-grid {
        grid-template-columns: 1fr;
    }

    .portfolio-overview-card {
        min-height: auto;
    }

    .portfolio-section {
        padding: 3rem 0;
    }
}

@media (max-width: 640px) {
    .portfolio-shell {
        width: min(1120px, calc(100% - 1rem));
    }

    .portfolio-hero {
        padding: 4rem 0 2.5rem;
    }

    .portfolio-content-card,
    .portfolio-evidence-detail-card,
    .portfolio-next-card,
    .portfolio-snapshot-card {
        padding: 1.2rem;
        border-radius: 22px;
    }

    .portfolio-hero h1 {
        font-size: clamp(2.6rem, 18vw, 4.2rem);
    }

    .portfolio-anchor-nav .portfolio-shell {
        padding-left: 0.25rem;
        padding-right: 0.25rem;
    }

    .portfolio-context-table {
        min-width: 560px;
    }
}

/* =========================================================
   Evidence PDF preview card and full-screen PDF viewer
   ========================================================= */

.portfolio-pdf-viewer-card {
    position: relative;
    z-index: 1;
    margin-top: 1.4rem;
    padding: 1.2rem;
    border: 1px dashed #cbd5e1;
    border-radius: 24px;
    background: rgba(248, 250, 252, 0.72);
}

.portfolio-pdf-viewer-heading {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(260px, 1.2fr);
    gap: 1rem;
    align-items: start;
    margin-bottom: 1rem;
}

.portfolio-pdf-viewer-heading h3 {
    margin: 0;
    color: var(--portfolio-ink);
    font-size: 1.25rem;
    line-height: 1.2;
}

.portfolio-pdf-modal {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: none;
    background: rgba(15, 23, 42, 0.92);
    padding: 1rem;
}

.portfolio-pdf-modal.is-open {
    display: grid;
    grid-template-rows: auto 1fr;
    gap: 0.8rem;
}

.portfolio-pdf-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.portfolio-pdf-modal-title {
    margin: 0;
    color: white;
    font-size: 1rem;
    font-weight: 800;
}

.portfolio-pdf-modal-close {
    width: 46px;
    height: 46px;
    border: none;
    border-radius: 999px;
    background: white;
    color: #0f172a;
    font-size: 1.8rem;
    cursor: pointer;
}

.portfolio-pdf-modal-frame {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 22px;
    background: white;
}

/* =========================================================
   Inline PDF preview inside evidence cards
   ========================================================= */

.portfolio-inline-pdf {
    width: 100%;
    height: 520px;
    margin-top: 1rem;
    overflow: hidden;
    border: 1px solid var(--portfolio-line);
    border-radius: 22px;
    background: white;
    box-shadow: 0 14px 34px rgba(15, 23, 42, 0.08);
}

.portfolio-inline-pdf iframe {
    width: 100%;
    height: 100%;
    border: none;
    background: white;
}

@media (max-width: 640px) {
    .portfolio-inline-pdf {
        height: 420px;
        border-radius: 18px;
    }
}

/* =========================================================
   Show PDF pages as images
   ========================================================= */

.portfolio-evidence-image-stack {
    display: grid;
    gap: 1rem;
    margin-top: 1rem;
}

.portfolio-evidence-image-stack img {
    width: 100%;
    max-height: 720px;
    object-fit: contain;
    border: 1px solid var(--portfolio-line);
    border-radius: 18px;
    background: white;
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
}

/* =========================================================
   Floating portfolio chapter menu
   ========================================================= */
/*
.portfolio-floating-menu {
    position: fixed;
    right: clamp(0.85rem, 2vw, 1.35rem);
    bottom: clamp(0.85rem, 2vw, 1.35rem);
    z-index: 1000;
    max-width: calc(100vw - 1.5rem);
    font-family: inherit;
}*/

.portfolio-floating-menu {
    position: fixed;
    left: clamp(0.85rem, 2vw, 1.35rem);
    top: 4.8rem;
    right: auto;
    bottom: auto;
    z-index: 1000;
    max-width: calc(100vw - 1.5rem);
    font-family: inherit;
}
/* */

.portfolio-floating-menu > summary {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    min-height: 46px;
    padding: 0.68rem 1rem;
    border: 1px solid rgba(15, 23, 42, 0.10);
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.94);
    color: #ffffff;
    box-shadow: 0 18px 42px rgba(15, 23, 42, 0.22);
    cursor: pointer;
    list-style: none;
    user-select: none;
    backdrop-filter: blur(14px);
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.portfolio-floating-menu > summary::-webkit-details-marker {
    display: none;
}

.portfolio-floating-menu > summary:hover {
    transform: translateY(-2px);
    background: #020617;
    box-shadow: 0 22px 52px rgba(15, 23, 42, 0.28);
}

.portfolio-floating-menu[open] > summary {
    background: #020617;
}

.portfolio-floating-menu-icon {
    display: inline-grid;
    place-items: center;
    width: 1.35rem;
    height: 1.35rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    font-size: 0.92rem;
    line-height: 1;
}

.portfolio-floating-menu-label {
    font-size: 0.9rem;
    font-weight: 850;
    letter-spacing: 0.01em;
}

.portfolio-floating-panel {
    position: absolute;
    /*right: 0;
    bottom: calc(100% + 0.7rem);*/
    left: 0;
    top: calc(100% + 0.7rem);
    /* */
    width: min(330px, calc(100vw - 1.5rem));
    padding: 0.85rem;
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-radius: 26px;
    background:
        radial-gradient(circle at top left, rgba(79, 70, 229, 0.09), transparent 42%),
        #ffffff;
    box-shadow: 0 24px 70px rgba(15, 23, 42, 0.20);
}

.portfolio-floating-panel-heading {
    padding: 0.35rem 0.45rem 0.65rem;
}

.portfolio-floating-panel-heading p {
    margin: 0 0 0.1rem;
    color: var(--portfolio-muted);
    font-size: 0.72rem;
    font-weight: 850;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.portfolio-floating-panel-heading strong {
    color: var(--portfolio-ink);
    font-size: 1.1rem;
    line-height: 1.2;
}

.portfolio-floating-home,
.portfolio-floating-chapters a {
    display: grid;
    gap: 0.55rem;
    align-items: center;
    color: #1e293b;
    text-decoration: none;
    transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.portfolio-floating-home {
    grid-template-columns: 2.35rem minmax(0, 1fr);
    padding: 0.72rem;
    border: 1px solid var(--portfolio-line);
    border-radius: 18px;
    background: #f8fafc;
}

.portfolio-floating-home:hover {
    background: #0f172a;
    color: #ffffff;
    transform: translateY(-1px);
}

.portfolio-floating-home:hover small,
.portfolio-floating-home:hover strong {
    color: #ffffff;
}

.portfolio-floating-home-icon {
    display: grid;
    place-items: center;
    width: 2.35rem;
    height: 2.35rem;
    border-radius: 14px;
    background: var(--portfolio-blue-soft);
    color: #3730a3;
    font-weight: 900;
}

.portfolio-floating-home strong,
.portfolio-floating-home small {
    display: block;
}

.portfolio-floating-home strong {
    color: #0f172a;
    font-size: 0.92rem;
    line-height: 1.2;
}

.portfolio-floating-home small {
    margin-top: 0.12rem;
    color: #64748b;
    font-size: 0.76rem;
    line-height: 1.25;
}

.portfolio-floating-chapters {
    display: grid;
    gap: 0.35rem;
    max-height: min(52vh, 420px);
    margin-top: 0.75rem;
    overflow-y: auto;
    padding-right: 0.15rem;
}

.portfolio-floating-chapters a {
    grid-template-columns: 2.15rem minmax(0, 1fr);
    padding: 0.62rem 0.65rem;
    border-radius: 16px;
}

.portfolio-floating-chapters a:hover {
    background: #f8fafc;
    transform: translateX(-2px);
}

.portfolio-floating-chapters a.is-active {
    background: var(--portfolio-blue-soft);
    color: #3730a3;
}

.portfolio-floating-chapters a span {
    display: inline-grid;
    place-items: center;
    width: 2.15rem;
    height: 2.15rem;
    border-radius: 999px;
    background: #f1f5f9;
    color: #475569;
    font-size: 0.76rem;
    font-weight: 900;
}

.portfolio-floating-chapters a.is-active span {
    background: #4f46e5;
    color: #ffffff;
}

.portfolio-floating-chapters a strong {
    font-size: 0.86rem;
    line-height: 1.18;
}

@media (max-width: 720px) {
    /*.portfolio-floating-menu {
        right: 0.75rem;
        bottom: 0.75rem;
    }

    .portfolio-floating-panel {
        right: 0;
        width: min(340px, calc(100vw - 1.5rem));
        max-height: calc(100vh - 7rem);
        overflow: hidden;
    }*/

    .portfolio-floating-menu {
        left: 0.75rem;
        top: 4.8rem;
        right: auto;
        bottom: auto;
    }

    .portfolio-floating-panel {
        left: 0;
        top: calc(100% + 0.7rem);
        right: auto;
        bottom: auto;
        width: min(340px, calc(100vw - 1.5rem));
        max-height: calc(100vh - 7rem);
        overflow: hidden;
    }
    /**/
    .portfolio-floating-chapters {
        max-height: min(48vh, 360px);
    }

    .portfolio-floating-menu-label {
        font-size: 0.84rem;
    }
}

@media print {
    .portfolio-floating-menu {
        display: none;
    }
}