/* ==================================================================
   KAMI PORTFOLIO · Design System
   Warm parchment, ink-blue accent, serif authority
   ================================================================== */

:root {
    --parchment:   #f5f4ed;
    --ivory:       #faf9f5;
    --near-black:  #141413;
    --dark-warm:   #3d3d3a;
    --charcoal:    #4d4c48;
    --olive:       #5e5d59;
    --stone:       #87867f;
    --brand:       #1B365D;
    --brand-light: #2D5A8A;
    --border:      #e8e6dc;
    --border-soft: #e5e3d8;
    --tag-bg:      #E4ECF5;
    --ring-warm:   #d1cfc5;

    --serif: "Newsreader", "Charter", Georgia, serif;
    --sans:  "Inter", system-ui, -apple-system, sans-serif;
    --mono:  "JetBrains Mono", monospace;
}

@font-face { font-family: "Newsreader"; src: url("../fonts/Newsreader.woff2") format("woff2"); font-weight: 400; font-style: normal; }
@font-face { font-family: "Newsreader"; src: url("../fonts/Newsreader.woff2") format("woff2"); font-weight: 500; font-style: normal; }
@font-face { font-family: "Inter"; src: url("../fonts/Inter.woff2") format("woff2"); font-weight: 400; font-style: normal; }
@font-face { font-family: "Inter"; src: url("../fonts/Inter-500.woff2") format("woff2"); font-weight: 500; font-style: normal; }
@font-face { font-family: "Inter"; src: url("../fonts/Inter-600.woff2") format("woff2"); font-weight: 600; font-style: normal; }
@font-face { font-family: "JetBrains Mono"; src: url("../fonts/JetBrainsMono.woff2") format("woff2"); font-weight: 400; font-style: normal; }

/* Reset & Base */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    background-color: var(--parchment);
    color: var(--near-black);
    font-family: var(--serif);
    font-size: 11pt;
    line-height: 1.55;
    padding-bottom: 4rem;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
header {
    padding: 8rem 0 6rem;
}

.identity-lockup {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.profile-img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 1px solid var(--border);
    object-fit: cover;
    box-shadow: 0 0 0 4px var(--ivory);
}

.hero-title {
    font-size: 48pt;
    font-weight: 500;
    line-height: 1.05;
    letter-spacing: -1.5pt;
    color: var(--near-black);
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-family: var(--sans);
    color: var(--stone);
    font-size: 10pt;
    letter-spacing: 1.5pt;
    text-transform: uppercase;
    font-weight: 500;
}

/* Sections */
.era-block {
    margin-bottom: 4rem;
}

.static-block {
    margin-bottom: 6rem;
    padding: 2.5rem 2rem;
    background: var(--ivory);
    border-radius: 16px;
    border: 1px solid var(--border-soft);
}

.section-label {
    font-family: var(--serif);
    font-size: 18pt;
    font-weight: 500;
    color: var(--near-black);
    margin-bottom: 2rem;
    border-left: 3pt solid var(--brand);
    padding-left: 1rem;
    line-height: 1.2;
}

.static-block .section-label {
    border-left: none;
    padding-left: 0;
    text-align: center;
    font-size: 18pt;
    letter-spacing: -0.5pt;
    margin-bottom: 3rem;
}

.static-block .section-label::after {
    content: "";
    display: block;
    width: 40px;
    height: 2px;
    background: var(--brand);
    margin: 1rem auto 0;
}

/* Details/Summary overrides */
details.era-block summary {
    list-style: none;
    cursor: pointer;
    outline: none;
}
details.era-block summary::-webkit-details-marker { display: none; }

/* Project List */
.project-list {
    display: grid;
    gap: 3rem;
}

.project-item {
    display: grid;
    grid-template-columns: 80pt 1fr;
    gap: 2rem;
}

.project-meta {
    font-family: var(--mono);
    font-size: 8.5pt;
    color: var(--stone);
    padding-top: 4pt;
}

.project-content h3 {
    font-size: 16pt;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--near-black);
}

.project-desc {
    color: var(--olive);
    font-size: 10.5pt;
    line-height: 1.5;
    margin-bottom: 1.2rem;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6pt;
}

.tag {
    background: var(--tag-bg);
    color: var(--brand);
    font-family: var(--sans);
    font-size: 8pt;
    font-weight: 600;
    padding: 1pt 6pt;
    border-radius: 3pt;
    letter-spacing: 0.4pt;
    text-transform: uppercase;
}

.status-pill {
    font-family: var(--sans);
    font-size: 7pt;
    font-weight: 600;
    padding: 1px 6px;
    border-radius: 10px;
    background: var(--brand);
    color: var(--ivory);
    text-transform: uppercase;
    letter-spacing: 0.5pt;
    vertical-align: middle;
    margin-left: 8pt;
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 1rem;
}

.skill-cat h4 {
    font-family: var(--sans);
    font-size: 8.5pt;
    color: var(--stone);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1pt;
    font-weight: 600;
}

.skill-cat ul {
    list-style: none;
}

.skill-cat li {
    font-size: 10.5pt;
    color: var(--olive);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: baseline;
    gap: 8pt;
}

.skill-cat li::before {
    content: "—";
    color: var(--brand);
    font-weight: 500;
}

/* Certifications */
.cert-track {
    display: flex;
    flex-wrap: nowrap;
    gap: 1.2rem;
    padding: 1rem 0;
    justify-content: center;
}

.cert-item {
    flex: 0 0 90px;
    background: var(--ivory);
    border: 1px solid var(--border);
    border-radius: 12px;
    width: 90px;
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 0 1pt transparent;
}

.cert-item:hover {
    box-shadow: 0 0 0 1pt var(--ring-warm);
    transform: translateY(-4px);
}

.cert-item img {
    max-width: 100%;
    height: auto;
    filter: grayscale(0.5);
    transition: filter 0.3s;
}

.cert-item:hover img {
    filter: grayscale(0);
}

/* Modal */
.cert-blur-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(20, 20, 19, 0.4);
    backdrop-filter: blur(8px);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease;
}

.cert-blur-overlay.active {
    opacity: 1;
    visibility: visible;
}

.cert-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.98);
    z-index: 3000;
    width: 95%;
    max-width: 860px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.cert-modal.active {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--ivory);
    border: 1px solid var(--border);
    border-radius: 24px;
    display: flex;
    overflow: hidden;
    box-shadow: 0 40px 80pt rgba(0,0,0,0.1);
}

.modal-left {
    flex: 0 0 40%;
    background: var(--near-black);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
}

.modal-left img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

.modal-right {
    flex: 1;
    padding: 4rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.modal-right h3 {
    font-size: 20pt;
    margin-bottom: 0.5rem;
}

.modal-subtitle {
    font-family: var(--sans);
    color: var(--brand);
    font-size: 8.5pt;
    text-transform: uppercase;
    letter-spacing: 1.5pt;
    font-weight: 600;
}

.modal-divider {
    height: 1px;
    background: var(--border-soft);
    margin: 2.5rem 0;
    width: 40pt;
}

.modal-label {
    font-family: var(--sans);
    font-size: 7.5pt;
    text-transform: uppercase;
    color: var(--stone);
    letter-spacing: 2pt;
    margin-bottom: 1rem;
    font-weight: 600;
}

.modal-desc {
    color: var(--olive);
    font-size: 10.5pt;
    line-height: 1.6;
}

.modal-close-btn {
    background: var(--warm-sand);
    border: none;
    color: var(--charcoal);
    padding: 8pt 16pt;
    font-family: var(--sans);
    font-size: 8.5pt;
    font-weight: 600;
    cursor: pointer;
    border-radius: 8px;
    margin-top: 3rem;
    transition: all 0.2s;
    width: fit-content;
    box-shadow: 0 0 0 1pt var(--ring-warm);
}

.modal-close-btn:hover {
    box-shadow: 0 0 0 1pt var(--ring-deep);
}

/* Footer */
footer {
    padding: 8rem 0 4rem;
    text-align: center;
    border-top: 1px solid var(--border-soft);
    margin-top: 4rem;
}

.footer-links {
    margin-bottom: 2rem;
}

.footer-links a {
    color: var(--near-black);
    text-decoration: none;
    font-family: var(--sans);
    font-size: 8.5pt;
    font-weight: 600;
    margin: 0 1.5rem;
    letter-spacing: 1pt;
    text-transform: uppercase;
    transition: color 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.footer-links a:hover {
    color: var(--brand);
}

.copyright {
    font-size: 9pt;
    color: var(--stone);
    font-family: var(--serif);
}

@media (max-width: 900px) {
    .hero-title { font-size: 34pt; }
    .project-item { grid-template-columns: 1fr; gap: 0.5rem; }
    .project-meta { margin-bottom: 0.5rem; }
    .modal-content { flex-direction: column; }
    .modal-left { padding: 2rem; }
    .modal-right { padding: 3rem; }
}