/* ============================================================
   Jonathan Frias — v3 (editorial restraint)
   Warm-dark palette. Newsreader (serif display) + Geist (body sans)
   + JetBrains Mono (accents). One amber accent used sparingly.
   ============================================================ */

/* ===== TOKENS ===== */
:root {
    /* Warm-dark palette */
    --bg: #0d0c0a;
    --bg-2: #100f0c;
    --surface: rgba(236, 232, 220, 0.025);
    --surface-2: rgba(236, 232, 220, 0.05);
    --hairline: rgba(236, 232, 220, 0.07);
    --hairline-2: rgba(236, 232, 220, 0.12);

    --accent: #d4a574;
    --accent-soft: rgba(212, 165, 116, 0.15);
    --accent-faint: rgba(212, 165, 116, 0.06);

    --text: #ecebe6;
    --text-2: #99968e;
    --text-3: #5e5c57;

    --measure: 64ch;
    --max-w: 1120px;
    --gutter: clamp(1.25rem, 4vw, 2.5rem);

    --r-sm: 4px;
    --r: 8px;
    --r-lg: 16px;
    --r-pill: 999px;

    --ease: cubic-bezier(0.32, 0.72, 0.24, 1);

    --font-display: 'Newsreader', 'Iowan Old Style', 'Apple Garamond', Georgia, serif;
    --font-sans: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;
}

[data-theme="light"] {
    --bg: #f6f3ec;
    --bg-2: #ece8de;
    --surface: rgba(13, 12, 10, 0.025);
    --surface-2: rgba(13, 12, 10, 0.05);
    --hairline: rgba(13, 12, 10, 0.08);
    --hairline-2: rgba(13, 12, 10, 0.16);

    --accent: #a06a30;
    --accent-soft: rgba(160, 106, 48, 0.16);
    --accent-faint: rgba(160, 106, 48, 0.06);

    --text: #1a1814;
    --text-2: #6a655c;
    --text-3: #a09b91;
}

/* ===== RESET / BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; -webkit-text-size-adjust: 100%; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    transition: background 0.4s var(--ease), color 0.4s var(--ease);
}

img, svg { display: block; max-width: 100%; }
a {
    color: var(--text);
    text-decoration: none;
    transition: color 0.2s var(--ease);
}
a:hover { color: var(--accent); }
button { font: inherit; cursor: pointer; background: none; border: 0; color: inherit; }

strong { color: var(--text); font-weight: 600; }
em {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 400;
    color: var(--text);
}

code {
    font-family: var(--font-mono);
    font-size: 0.86em;
    background: var(--surface-2);
    padding: 0.1em 0.4em;
    border-radius: var(--r-sm);
    color: var(--accent);
}

::selection { background: var(--accent-soft); color: var(--text); }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--gutter); }

.skip-link {
    position: absolute; left: -9999px; top: 0;
    background: var(--accent); color: var(--bg);
    padding: 0.6em 1em; border-radius: var(--r-sm);
    font-weight: 600; z-index: 200;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* ===== TOP BAR ===== */
.topbar {
    position: fixed; top: 0; left: 0; right: 0;
    z-index: 50;
    background: color-mix(in oklab, var(--bg) 80%, transparent);
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    border-bottom: 1px solid var(--hairline);
}
.topbar-inner {
    display: flex; align-items: center; justify-content: space-between;
    gap: 1.5rem;
    padding: 1rem var(--gutter);
}
.brand {
    display: inline-flex; align-items: center; gap: 0.65rem;
    color: var(--text);
}
.brand:hover { color: var(--text); }
.brand-mark {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent);
    border: 1px solid var(--accent);
    padding: 0.2em 0.5em;
    border-radius: var(--r-sm);
    letter-spacing: 0.04em;
}
.brand-name {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: -0.005em;
}
.top-nav {
    display: flex; gap: 1.75rem;
    font-size: 0.88rem;
}
.top-nav a {
    color: var(--text-2);
    transition: color 0.2s var(--ease);
}
.top-nav a:hover { color: var(--text); }
.topbar-actions { display: flex; align-items: center; gap: 0.75rem; }
.theme-toggle {
    width: 32px; height: 32px;
    border-radius: 50%;
    display: inline-grid; place-items: center;
    color: var(--text-2);
    transition: all 0.2s var(--ease);
}
.theme-toggle:hover { color: var(--accent); background: var(--surface); }
.theme-toggle .icon-sun { display: none; }
[data-theme="light"] .theme-toggle .icon-sun { display: block; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

@media (max-width: 760px) {
    .top-nav { display: none; }
}
@media (max-width: 480px) {
    .brand-name { display: none; }
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex; align-items: center; gap: 0.45em;
    padding: 0.65em 1.15em;
    border-radius: var(--r-pill);
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 0.9rem;
    line-height: 1;
    border: 1px solid transparent;
    transition: all 0.2s var(--ease);
    white-space: nowrap;
}
.btn-sm { padding: 0.45em 0.9em; font-size: 0.82rem; }
.btn-primary {
    background: var(--accent);
    color: var(--bg);
    border-color: var(--accent);
}
.btn-primary:hover {
    background: transparent;
    color: var(--accent);
}
.btn-ghost {
    color: var(--text);
    border-color: var(--hairline-2);
    background: transparent;
}
.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ===== REVEAL (subtle) ===== */
[data-reveal] {
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
[data-reveal].revealed { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
    position: relative;
    padding: 9rem 0 6rem;
    overflow: hidden;
}
.hero-bg {
    position: absolute; inset: 0;
    background:
        radial-gradient(70% 50% at 80% 0%, var(--accent-faint), transparent 60%),
        radial-gradient(50% 40% at 0% 30%, var(--accent-faint), transparent 70%);
    pointer-events: none;
    z-index: 0;
}
.hero-container {
    position: relative; z-index: 1;
    display: grid;
    grid-template-columns: 1.45fr 1fr;
    gap: 4rem;
    align-items: center;
}
.hero-text { max-width: 56ch; }
.status-pill {
    display: inline-flex; align-items: center; gap: 0.5em;
    padding: 0.35em 0.85em;
    border-radius: var(--r-pill);
    background: var(--surface);
    border: 1px solid var(--hairline-2);
    font-family: var(--font-mono);
    font-size: 0.74rem;
    color: var(--text-2);
    margin-bottom: 2rem;
}
.status-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent-soft);
}
.hero-title {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(2.8rem, 7vw, 5rem);
    line-height: 1.02;
    letter-spacing: -0.025em;
    color: var(--text);
    margin-bottom: 1.75rem;
}
.hero-lede {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(1.05rem, 1.65vw, 1.25rem);
    line-height: 1.55;
    color: var(--text-2);
    margin-bottom: 2.5rem;
}
.hero-lede a {
    color: var(--text);
    border-bottom: 1px solid var(--hairline-2);
    transition: border-color 0.2s var(--ease);
}
.hero-lede a:hover { color: var(--accent); border-color: var(--accent); }
.hero-actions {
    display: flex; flex-wrap: wrap; gap: 0.75rem;
    margin-bottom: 2.5rem;
}
.hero-meta {
    list-style: none;
    display: flex; flex-wrap: wrap; gap: 0;
    font-size: 0.85rem;
}
.hero-meta li:not(:last-child)::after {
    content: '·';
    color: var(--text-3);
    margin: 0 0.7rem;
}
.hero-meta a { color: var(--text-2); }
.hero-meta a:hover { color: var(--accent); }

/* Portrait */
.hero-portrait {
    justify-self: center;
    text-align: center;
}
.portrait-frame {
    position: relative;
    width: clamp(220px, 28vw, 320px);
    aspect-ratio: 1;
    border-radius: 50%;
    padding: 8px;
    background: linear-gradient(135deg, var(--accent-soft), transparent 60%, var(--accent-soft));
    box-shadow:
        0 0 0 1px var(--hairline-2),
        0 30px 60px -20px rgba(0,0,0,0.5);
    transition: transform 0.5s var(--ease);
}
.portrait-frame::before {
    content: '';
    position: absolute; inset: -1px;
    border-radius: 50%;
    background: conic-gradient(from 220deg, transparent 0deg, var(--accent-soft) 90deg, transparent 180deg, transparent 360deg);
    z-index: -1;
}
.portrait-frame img {
    width: 100%; height: 100%;
    object-fit: cover;
    object-position: center 20%;
    border-radius: 50%;
    border: 1px solid var(--hairline-2);
}
.portrait-frame:hover {
    transform: translateY(-4px);
}
.hero-portrait figcaption {
    margin-top: 1rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-3);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* ============================================================
   SECTION SHELL
   ============================================================ */
.section {
    padding: clamp(5rem, 9vw, 7rem) 0;
    position: relative;
}
.section-alt {
    background: var(--bg-2);
    border-top: 1px solid var(--hairline);
    border-bottom: 1px solid var(--hairline);
}
.section-head {
    max-width: 720px;
    margin-bottom: 4rem;
}
.kicker {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-2);
    letter-spacing: 0.05em;
    margin-bottom: 1.25rem;
    display: flex; align-items: center; gap: 0.5rem;
}
.kicker span {
    color: var(--accent);
    font-weight: 500;
}
.section-title {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(1.7rem, 3.2vw, 2.5rem);
    line-height: 1.18;
    letter-spacing: -0.018em;
    color: var(--text);
    max-width: 28ch;
}

/* ============================================================
   ABOUT
   ============================================================ */
.prose {
    max-width: var(--measure);
    color: var(--text-2);
    margin-bottom: 4rem;
}
.prose p {
    font-family: var(--font-display);
    font-size: 1.08rem;
    font-weight: 400;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}
.prose p:last-child { margin-bottom: 0; }

.highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0;
    border-top: 1px solid var(--hairline);
    margin-bottom: 4rem;
}
.highlights > div {
    padding: 1.75rem 1.5rem 1.75rem 0;
    border-bottom: 1px solid var(--hairline);
    border-right: 1px solid var(--hairline);
}
.highlights > div:last-child { border-right: none; }
.highlights dt {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 3vw, 2.1rem);
    font-weight: 500;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 0.6rem;
    letter-spacing: -0.02em;
}
.hl-suffix {
    color: var(--text-3);
    font-size: 0.6em;
    margin-left: 0.1em;
}
.highlights dd {
    color: var(--text-2);
    font-size: 0.86rem;
    line-height: 1.5;
}

/* Skills */
.skills-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: 1.75rem;
    color: var(--text);
}
.skills-list {
    border-top: 1px solid var(--hairline);
}
.skills-list > div {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 2rem;
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--hairline);
    align-items: baseline;
}
.skills-list dt {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-2);
    letter-spacing: 0.04em;
}
.skills-list dd {
    color: var(--text);
    font-size: 0.95rem;
    line-height: 1.6;
}

@media (max-width: 640px) {
    .skills-list > div {
        grid-template-columns: 1fr;
        gap: 0.4rem;
    }
}

/* ============================================================
   EXPERIENCE (roles)
   ============================================================ */
.roles {
    list-style: none;
    border-top: 1px solid var(--hairline);
}
.role {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 3rem;
    padding: 2.5rem 0;
    border-bottom: 1px solid var(--hairline);
}
.role-date {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-2);
    letter-spacing: 0.02em;
    line-height: 1.5;
    padding-top: 0.25rem;
}
.role-body { max-width: 64ch; }
.role-title {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 500;
    line-height: 1.3;
    margin-bottom: 0.35rem;
    color: var(--text);
    letter-spacing: -0.005em;
}
.role-org {
    color: var(--text-2);
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
}
.role-org span { color: var(--text-3); }
.role-body ul {
    list-style: none;
    margin-bottom: 1.5rem;
}
.role-body ul li {
    color: var(--text-2);
    font-size: 0.94rem;
    line-height: 1.65;
    margin-bottom: 0.85em;
    padding-left: 1.2em;
    position: relative;
}
.role-body ul li::before {
    content: '—';
    position: absolute;
    left: 0; top: 0;
    color: var(--accent);
}
.role-tech {
    list-style: none;
    display: flex; flex-wrap: wrap; gap: 0;
    margin-top: 1rem;
}
.role-tech li {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    color: var(--text-2);
    padding: 0.25em 0;
}
.role-tech li:not(:last-child)::after {
    content: '·';
    margin: 0 0.6em;
    color: var(--text-3);
}

@media (max-width: 760px) {
    .role { grid-template-columns: 1fr; gap: 0.75rem; }
}

/* ============================================================
   PROJECTS
   ============================================================ */
.projects {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 0;
    border-top: 1px solid var(--hairline);
}
.project {
    padding: 2rem;
    border-bottom: 1px solid var(--hairline);
    border-right: 1px solid var(--hairline);
    transition: background 0.3s var(--ease);
    position: relative;
}
.project:nth-child(3n) { border-right: 1px solid var(--hairline); }
@media (min-width: 640px) {
    .project:nth-child(2n) { border-right: none; }
}
@media (min-width: 980px) {
    .project { border-right: 1px solid var(--hairline); }
    .project:nth-child(2n) { border-right: 1px solid var(--hairline); }
    .project:nth-child(3n) { border-right: none; }
}
.project:hover {
    background: var(--surface);
}
.project-head {
    display: flex; align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 0.6rem;
}
.project-head h3 {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 500;
    color: var(--text);
    letter-spacing: -0.005em;
}
.project-badge {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    padding: 0.25em 0.65em;
    background: var(--accent-faint);
    border: 1px solid var(--accent-soft);
    border-radius: var(--r-pill);
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}
.project-tag {
    color: var(--text);
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1rem;
    margin-bottom: 0.85rem;
}
.project p {
    color: var(--text-2);
    font-size: 0.92rem;
    line-height: 1.7;
    margin-bottom: 1.25rem;
}
.project-tech {
    list-style: none;
    display: flex; flex-wrap: wrap; gap: 0;
    margin-bottom: 1.25rem;
}
.project-tech li {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-2);
}
.project-tech li:not(:last-child)::after {
    content: '·';
    margin: 0 0.55em;
    color: var(--text-3);
}
.project-link {
    color: var(--text);
    font-size: 0.86rem;
    font-weight: 500;
    display: inline-flex; align-items: center; gap: 0.3em;
    border-bottom: 1px solid var(--hairline-2);
    padding-bottom: 1px;
    transition: all 0.2s var(--ease);
}
.project-link span { transition: transform 0.2s var(--ease); display: inline-block; }
.project-link:hover {
    color: var(--accent);
    border-color: var(--accent);
}
.project-link:hover span { transform: translateX(3px); }
.projects-footer {
    margin-top: 3rem;
    color: var(--text-2);
    font-size: 0.92rem;
    max-width: var(--measure);
}
.projects-footer a {
    color: var(--text);
    border-bottom: 1px solid var(--hairline-2);
}
.projects-footer a:hover { color: var(--accent); border-color: var(--accent); }

/* ============================================================
   EDUCATION
   ============================================================ */
.edu {
    max-width: 780px;
}
.edu-head h3 {
    font-family: var(--font-display);
    font-size: 1.7rem;
    font-weight: 500;
    color: var(--text);
    letter-spacing: -0.012em;
}
.edu-head p {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text-2);
    margin-top: 0.4rem;
    margin-bottom: 2.5rem;
}
.edu-gpa {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border-top: 1px solid var(--hairline);
    border-bottom: 1px solid var(--hairline);
    margin-bottom: 2.5rem;
}
.edu-gpa > div {
    padding: 1.5rem 1.25rem 1.5rem 0;
    border-right: 1px solid var(--hairline);
}
.edu-gpa > div:last-child { border-right: none; }
.edu-gpa-highlight {
    padding-left: 1.25rem !important;
    background: var(--accent-faint);
}
.edu-gpa-highlight dt {
    color: var(--accent) !important;
}
.edu-gpa dt {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-2);
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}
.edu-gpa dd {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 500;
    color: var(--text);
    line-height: 1;
    letter-spacing: -0.025em;
}
.edu-gpa-highlight dd { color: var(--accent); }
.edu-gpa dd span {
    font-size: 0.8rem;
    color: var(--text-3);
    font-weight: 400;
    margin-left: 0.2em;
    letter-spacing: 0;
}
.edu-story {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1.1rem;
    color: var(--text);
    line-height: 1.55;
    border-left: 1px solid var(--accent);
    padding: 0.4rem 0 0.4rem 1.4rem;
    margin-bottom: 2.5rem;
    max-width: 60ch;
}
.edu-meta p {
    color: var(--text-2);
    font-size: 0.92rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}
.edu-meta strong {
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 500;
    margin-right: 0.5em;
}

@media (max-width: 640px) {
    .edu-gpa { grid-template-columns: 1fr; }
    .edu-gpa > div { border-right: none; border-bottom: 1px solid var(--hairline); }
    .edu-gpa > div:last-child { border-bottom: none; }
}

/* ============================================================
   CONTACT
   ============================================================ */
.section-contact { padding-bottom: 6rem; }
.contact-lede {
    font-family: var(--font-display);
    font-size: clamp(1.15rem, 2vw, 1.4rem);
    line-height: 1.5;
    color: var(--text-2);
    margin-bottom: 3rem;
    max-width: 52ch;
}
.contact-list {
    list-style: none;
    border-top: 1px solid var(--hairline);
    max-width: 640px;
}
.contact-list li {
    display: grid;
    grid-template-columns: 140px 1fr;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--hairline);
}
.contact-label {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-2);
    letter-spacing: 0.05em;
}
.contact-list a {
    font-size: 1.02rem;
    color: var(--text);
    border-bottom: 1px solid transparent;
    width: fit-content;
    transition: all 0.2s var(--ease);
}
.contact-list a:hover {
    color: var(--accent);
    border-color: var(--accent);
}

@media (max-width: 540px) {
    .contact-list li { grid-template-columns: 1fr; gap: 0.25rem; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    border-top: 1px solid var(--hairline);
    padding: 2.5rem 0;
}
.footer-inner {
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 0.6rem;
}
.footer-inner p, .footer-inner a {
    color: var(--text-3);
    font-size: 0.82rem;
}
.footer-inner a:hover { color: var(--accent); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 880px) {
    .hero {
        padding: 7rem 0 4rem;
    }
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .hero-portrait { order: -1; }
}
@media (max-width: 540px) {
    .highlights > div { border-right: none !important; padding-right: 0; }
}