/* ============================================================
   Osama Feshier — Personal Site
   Design system: deep "data lab" dark theme, fluorescent rose single-accent
   ============================================================ */

:root {
    --bg: #020604;
    --bg-alt: #050e0a;
    --surface: #09130e;
    --surface-2: #0d1c15;
    --border: #14251b;
    --border-lit: #1a3426;

    --text: #e4ede8;
    --muted: #8da897;
    --faint: #7e9388;

    --accent: oklch(82% 0.26 115);
    --accent-rgb: 150, 255, 55;
    --on-accent: #060e04;

    --maxw: 1120px;
    --radius: 16px;
    --radius-sm: 10px;

    --font-sans: "Satoshi", system-ui, -apple-system, sans-serif;
    --font-mono: "JetBrains Mono", ui-monospace, monospace;

    --shadow: 0 24px 60px -20px rgba(2, 2, 6, 0.8);

    /* Easing curves */
    --ease-out-quint: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 88px;
}

body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* subtle ambient glow — much quieter */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    background: radial-gradient(
        500px 350px at 78% -8%,
        oklch(82% 0.26 115 / 0.06),
        transparent 70%
    );
    pointer-events: none;
    z-index: 0;
}

.container {
    width: 100%;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 24px;
}

a {
    color: inherit;
    text-decoration: none;
}

.skip-link {
    position: absolute;
    left: -999px;
    top: 0;
    background: var(--accent);
    color: #fff;
    padding: 10px 16px;
    z-index: 200;
    border-radius: 0 0 8px 0;
}
.skip-link:focus {
    left: 0;
}

/* ───────── Focus states (keyboard) ───────── */
.nav__links a:focus-visible,
.nav__cta:focus-visible,
.nav__toggle:focus-visible,
.btn:focus-visible,
.card__links a:focus-visible,
.tl__at a:focus-visible,
.contact__link:focus-visible,
.certificate-card__link:focus-visible,
.carousel-btn:focus-visible,
.certificates-carousel:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

/* ───────── Navigation ───────── */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(7, 11, 18, 0.6);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid transparent;
    transition:
        border-color 0.3s,
        background 0.3s;
    will-change: transform;
    transform: translateZ(0);
}
.nav.is-scrolled {
    border-bottom-color: var(--border);
    background: rgba(7, 11, 18, 0.82);
}
.nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav__brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
}
.nav__brand-mark {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--accent);
    color: var(--on-accent);
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 15px;
}
.nav__brand-text {
    letter-spacing: 0.2px;
}

.nav__links {
    display: flex;
    align-items: center;
    gap: 30px;
}
.nav__links a {
    color: var(--muted);
    font-size: 15px;
    font-weight: 500;
    transition: color 0.2s;
}
.nav__links a:hover {
    color: var(--text);
}
.nav__cta {
    color: var(--text) !important;
    border: 1px solid var(--border-lit);
    padding: 8px 18px;
    border-radius: 999px;
    background: var(--surface);
}
.nav__cta:hover {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.15);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: 0;
    cursor: pointer;
    padding: 8px;
}
.nav__toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: 0.25s;
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav__toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}
.nav__toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ───────── Hero ───────── */
.hero {
    position: relative;
    padding: 140px 0 80px;
    overflow: hidden;
}

/* Background layers */
.hero__grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 46px 46px;
    -webkit-mask-image: radial-gradient(
        500px 300px at 70% 28%,
        #000 0%,
        transparent 80%
    );
    mask-image: radial-gradient(
        500px 300px at 70% 28%,
        #000 0%,
        transparent 80%
    );
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.8s ease-out;
}
.hero.is-loaded .hero__grid-bg {
    opacity: 0.2;
}

.hero__canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0;
    transition: opacity 1s ease-out 0.2s;
}
.hero.is-loaded .hero__canvas {
    opacity: 1;
}

.hero__inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 0.95fr;
    gap: 48px;
    align-items: center;
}
.hero__copy > * {
    opacity: 0;
    transform: translateY(12px);
}
.hero.is-loaded .hero__copy > * {
    opacity: 1;
    transform: none;
    transition:
        opacity 0.5s var(--ease-out-quint),
        transform 0.5s var(--ease-out-quint);
    transition-delay: var(--d, 0s);
}

.hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--accent);
    letter-spacing: 0.5px;
    border: 1px solid var(--border);
    background: var(--surface);
    padding: 7px 14px;
    border-radius: 999px;
}
.hero__eyebrow .dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    animation: dot-pulse 2.4s ease-out infinite;
}

.hero__title {
    font-size: clamp(2rem, 4.2vw, 3rem);
    line-height: 1.1;
    font-weight: 700;
    letter-spacing: -0.8px;
    margin: 20px 0 16px;
    text-wrap: balance;
}
.hero__title .accent {
    color: var(--accent);
}

.hero__word {
    display: inline-block;
    opacity: 0;
    transform: translateY(8px);
}
.hero.is-loaded .hero__word {
    opacity: 1;
    transform: none;
    transition:
        opacity 0.45s var(--ease-out-quint),
        transform 0.45s var(--ease-out-quint);
}
.hero.is-loaded .hero__word:nth-child(1) {
    transition-delay: 0.12s;
}
.hero.is-loaded .hero__word:nth-child(2) {
    transition-delay: 0.18s;
}
.hero.is-loaded .hero__word:nth-child(3) {
    transition-delay: 0.24s;
}
.hero.is-loaded .hero__word:nth-child(4) {
    transition-delay: 0.3s;
}

.hero__greeting {
    font-size: 1.28rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: -0.2px;
    margin-bottom: 18px;
}
.hero__lead {
    color: var(--muted);
    font-size: 1.08rem;
    max-width: 540px;
    text-wrap: pretty;
}
.hero__lead strong {
    color: var(--text);
    font-weight: 600;
}

.hero__actions {
    display: flex;
    gap: 14px;
    margin: 28px 0 36px;
    flex-wrap: wrap;
}
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 15px;
    padding: 12px 24px;
    border-radius: 999px;
    transition:
        transform 0.15s,
        box-shadow 0.25s,
        background 0.25s,
        border-color 0.25s;
}
.btn--primary {
    background: var(--accent);
    color: var(--on-accent);
}
.btn--primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 24px -8px rgba(var(--accent-rgb), 0.4);
}
.btn--ghost {
    border: 1px solid var(--border-lit);
    color: var(--text);
    background: var(--surface);
}
.btn--ghost:hover {
    border-color: var(--accent);
    transform: translateY(-1px);
}

.hero__stats {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px 28px;
}
.hero__stats li {
    display: flex;
    flex-direction: column;
}
.stat__num {
    font-family: var(--font-mono);
    font-size: 2.2rem;
    font-weight: 600;
    color: var(--text);
    line-height: 1;
}
.stat__label {
    font-size: 0.86rem;
    color: var(--faint);
    letter-spacing: 0.3px;
    max-width: 130px;
    line-height: 1.3;
    margin-top: 4px;
}

/* Hero visual */
.hero__visual {
    display: grid;
    place-items: center;
}
.hero__portrait {
    position: relative;
    width: min(460px, 90vw);
    aspect-ratio: 1;
    opacity: 0;
    transform: scale(0.96);
}
.hero.is-loaded .hero__portrait {
    opacity: 1;
    transform: scale(1);
    transition:
        opacity 0.7s var(--ease-out-quint) 0.15s,
        transform 0.7s var(--ease-out-quint) 0.15s;
}
.hero__portrait::before {
    content: "";
    position: absolute;
    inset: -4%;
    background: var(--accent);
    filter: blur(48px);
    opacity: 0.08;
    border-radius: 50%;
    z-index: -1;
    transition: opacity 0.6s ease-out;
}
.hero__portrait-inner {
    width: 100%;
    height: 100%;
    will-change: transform;
    border-radius: 50%;
    overflow: hidden;
}
.hero__portrait-inner picture {
    display: block;
    width: 100%;
    height: 100%;
}
.hero__portrait-inner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 50% 18%;
    mix-blend-mode: screen;
}

/* Hero loop animations */
@keyframes dot-pulse {
    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(150, 255, 55, 0.5);
    }
    60% {
        box-shadow: 0 0 0 7px rgba(150, 255, 55, 0);
    }
}
@keyframes portrait-glow-breathe {
    0%,
    100% {
        opacity: 0.06;
    }
    50% {
        opacity: 0.18;
    }
}
.hero.is-loaded .hero__portrait::before {
    animation: portrait-glow-breathe 5.5s ease-in-out 0.8s infinite both;
}

/* ───────── Sections ───────── */
.section {
    position: relative;
    z-index: 1;
    padding: 100px 0;
    contain: paint;
}
.section--alt {
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.section--signal {
    background:
        radial-gradient(
            560px 220px at 88% 0%,
            rgba(var(--accent-rgb), 0.07),
            transparent 68%
        ),
        linear-gradient(180deg, rgba(5, 14, 10, 0.92), rgba(2, 6, 4, 0.98));
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.section__kicker {
    font-family: var(--font-mono);
    color: var(--accent);
    font-size: 0.82rem;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}
.section__title {
    font-size: clamp(1.5rem, 3vw, 2.1rem);
    font-weight: 700;
    letter-spacing: -0.4px;
    margin-bottom: 40px;
    text-wrap: balance;
}
.section__desc {
    color: var(--muted);
    font-size: 1.05rem;
    margin-top: -28px;
    margin-bottom: 40px;
}
.section__header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.72fr);
    gap: 20px 28px;
    align-items: end;
    margin-bottom: 40px;
}
.section__header .section__title {
    margin-bottom: 14px;
}
.section__header .section__desc {
    margin: 0;
    max-width: 60ch;
}
/* About */
.about__grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 48px;
    align-items: start;
}
.about__recommendations {
    display: grid;
    gap: 24px;
    margin-top: 44px;
}
.about__recommendations-copy {
    display: grid;
    gap: 14px;
    max-width: 72ch;
}
.about__recommendations-label {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--accent);
    letter-spacing: 0.04em;
}
.about__recommendations-title {
    font-size: clamp(1.45rem, 2.5vw, 2.15rem);
    line-height: 1.04;
    letter-spacing: -0.035em;
    text-wrap: balance;
    max-width: 16ch;
}
.about__recommendations-text {
    color: var(--muted);
    max-width: 60ch;
    text-wrap: pretty;
}
.recs-strip--embedded {
    width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    border: 0;
    border-top: 0;
    border-bottom: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    overflow: hidden;
}
.recs-strip--embedded .recs__overflow {
    padding: 22px 0 20px;
    background: transparent;
    -webkit-mask-image: none;
    mask-image: none;
}
.recs-strip--embedded .recs__track {
    padding: 0 24px;
}
.recs-strip--embedded .rec-card {
    background: rgba(9, 19, 14, 0.74);
    border-color: rgba(26, 52, 38, 0.62);
    box-shadow: none;
}
.about__intro {
    display: grid;
}
.about__text {
    font-size: 1.08rem;
    color: var(--muted);
    text-wrap: pretty;
}
.about__text strong {
    color: var(--text);
}
.about__pillars {
    list-style: none;
    display: grid;
    gap: 14px;
    margin: 0;
    padding: 0;
}
.about__pillars li {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px 18px;
    transition: border-color 0.25s;
}
.about__pillars li:hover {
    border-color: var(--border-lit);
}
.pillar__icon {
    color: var(--accent);
    font-size: 1.1rem;
    line-height: 1.3;
}
.about__pillars strong {
    display: block;
}
.about__pillars p {
    color: var(--faint);
    font-size: 0.88rem;
}

/* ── Skills: capability board ── */
.skills__desc {
    max-width: 58ch;
}

.skills-board {
    display: grid;
    gap: 6px;
}

.skills-board__meta {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) auto;
    gap: 18px 24px;
    align-items: end;
    padding-bottom: 26px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 6px;
}

.skills-board__summary {
    color: var(--muted);
    font-size: 0.98rem;
    max-width: 62ch;
    text-wrap: pretty;
}

.skills-board__legend {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px;
}

.skills-legend {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--surface);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--muted);
    white-space: nowrap;
}

.skills-legend__meter,
.skill-pill__meter {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.skills-domain {
    display: grid;
    grid-template-columns: minmax(240px, 0.9fr) minmax(0, 1.5fr);
    gap: 22px 28px;
    align-items: start;
    padding: 24px 0;
    border-bottom: 1px solid var(--border);
}

.skills-domain:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.skills-domain__lead {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 18px;
    align-items: start;
}

.skills-domain__icon {
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    width: 56px;
    min-width: 56px;
    color: var(--accent);
    opacity: 0.96;
    flex-shrink: 0;
    padding-top: 2px;
}

.skills-domain__icon svg {
    width: 56px;
    height: 56px;
    overflow: visible;
}

.skills-domain__icon path,
.skills-domain__icon circle,
.skills-domain__icon ellipse,
.skills-domain__icon rect,
.skills-domain__icon polyline,
.skills-domain__icon line,
.skills-domain__icon polygon {
    vector-effect: non-scaling-stroke;
}

.skills-domain__name {
    font-size: 1.04rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 6px;
}

.skills-domain__summary {
    color: var(--muted);
    font-size: 0.92rem;
    line-height: 1.6;
    max-width: 34ch;
    text-wrap: pretty;
}

.skills-domain__skills {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.skill-pill {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-height: 52px;
    padding: 12px 14px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--surface);
    min-width: min(100%, 230px);
    flex: 1 1 180px;
    transition:
        border-color 0.25s,
        background 0.25s,
        transform 0.25s var(--ease-out-quint);
}

.skill-pill:hover {
    border-color: var(--border-lit);
    background: var(--surface-2);
    transform: translateY(-1px);
}

.skill-pill__name {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: -0.01em;
}

.skill-pill__meta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.skill-pill__level {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent);
    white-space: nowrap;
}

.skill-pill__dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    border: 1px solid var(--border-lit);
    background: rgba(var(--accent-rgb), 0.08);
}

.skill-pill__dot.is-on {
    background: var(--accent);
    border-color: transparent;
    box-shadow: 0 0 0 1px rgba(var(--accent-rgb), 0.14);
}

/* ───────── Experience — Interactive Impact Timeline ───────── */
.exp-timeline {
    position: relative;
    display: grid;
    gap: 0;
}

/* The vertical stem line */
.exp-timeline::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--border);
}

.exp-entry {
    position: relative;
    padding-left: 28px;
    border-bottom: 1px solid var(--border);
    background-color: transparent;
    transition:
        margin 0.25s ease,
        padding-right 0.25s ease,
        border-color 0.25s ease,
        box-shadow 0.25s ease,
        background-color 0.25s ease;
}
.exp-entry:last-child {
    border-bottom: 0;
}
.exp-entry.is-open {
    margin: 10px 0;
    padding-right: 18px;
    background-color: rgba(16, 14, 26, 0.82);
    border: 1px solid var(--border-lit);
    border-radius: var(--radius);
    box-shadow: 0 24px 60px -20px rgba(2, 2, 6, 0.42);
}
.exp-entry.is-open:last-child {
    border-bottom: 1px solid var(--border-lit);
}

/* Timeline node dot */
.exp-entry::before {
    content: "";
    position: absolute;
    left: -4px;
    top: 28px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--accent);
    z-index: 1;
}

/* ── Trigger (the clickable header row) ── */
.exp-entry__trigger {
    display: grid;
    grid-template-columns: 140px 1fr auto;
    align-items: center;
    gap: 24px;
    width: 100%;
    padding: 24px 4px 24px 0;
    background: transparent;
    border: 0;
    color: inherit;
    font: inherit;
    cursor: pointer;
    text-align: left;
    transition: background-color 0.2s ease;
}
.exp-entry__trigger:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: -2px;
    border-radius: var(--radius-sm);
}

/* ── Metric (the visual anchor on the left) ── */
.exp-entry__metric {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.exp-entry__number {
    font-family: var(--font-mono);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1.1;
    letter-spacing: -0.02em;
}
.exp-entry__number--label {
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}
.exp-entry__label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 500;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    line-height: 1.3;
}

/* ── Body (role + meta) ── */
.exp-entry__body {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}
.exp-entry__head {
    display: flex;
    align-items: baseline;
    gap: 10px;
    flex-wrap: wrap;
}
.exp-entry__role {
    font-size: 1.18rem;
    font-weight: 700;
    text-wrap: balance;
}
.exp-entry__at {
    font-weight: 500;
    color: var(--muted);
    font-size: 0.98rem;
}
.exp-entry__meta {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--faint);
}

/* ── Indicator chevron ── */
.exp-entry__indicator {
    display: flex;
    align-items: center;
    color: var(--faint);
    transition:
        transform 0.3s var(--ease-out-quint),
        color 0.2s ease;
    flex-shrink: 0;
}
.exp-entry__trigger[aria-expanded="true"] .exp-entry__indicator {
    transform: rotate(180deg);
    color: var(--accent);
}

/* ── Active state glow ── */
.exp-entry.is-open .exp-entry__trigger {
    background: transparent;
}

/* ── Detail panel ── */
.exp-entry__detail {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    background: transparent;
    transition:
        max-height 0.45s var(--ease-out-quint),
        opacity 0.2s ease;
}
.exp-entry__trigger[aria-expanded="true"] + .exp-entry__detail {
    max-height: 1600px;
    opacity: 1;
}

.exp-entry__detail-inner {
    padding: 0 0 28px 0;
}
.exp-entry__detail ul {
    list-style: none;
    display: grid;
    gap: 10px;
}
.exp-entry__detail ul li {
    position: relative;
    padding-left: 18px;
    color: var(--muted);
    font-size: 0.94rem;
    line-height: 1.6;
    max-width: 72ch;
    text-wrap: pretty;
}
.exp-entry__detail ul li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--accent);
}
.exp-entry__detail ul li strong {
    color: var(--text);
}

.exp-entry__note {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--muted);
    margin-bottom: 18px;
}

/* ── Internal role / client groups ── */
.exp-entry__role-block + .exp-entry__role-block {
    margin-top: 22px;
    padding-top: 22px;
    border-top: 1px solid var(--border);
}
.exp-entry__role-head,
.exp-entry__client-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
    flex-wrap: wrap;
}
.exp-entry__role-head {
    margin-bottom: 12px;
}
.exp-entry__role-head h4 {
    font-size: 1rem;
    color: var(--text);
    font-weight: 700;
}
.exp-entry__role-head span,
.exp-entry__client-head span {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--faint);
}
.exp-entry__role-block > ul {
    margin: 0;
}
.exp-entry__role-block .exp-entry__note {
    margin-bottom: 14px;
}
.exp-entry__client-group + .exp-entry__client-group {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}
.exp-entry__client-head {
    margin-bottom: 10px;
}
.exp-entry__client-head h5 {
    font-size: 0.96rem;
    color: var(--muted);
    font-weight: 600;
}
.exp-entry__client-group ul {
    list-style: none;
    display: grid;
    gap: 8px;
}
.exp-entry__client-group ul li {
    position: relative;
    padding-left: 18px;
    color: var(--muted);
    font-size: 0.94rem;
    max-width: 72ch;
}
.exp-entry__client-group ul li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--accent);
}
.exp-entry__client-group ul li strong {
    color: var(--text);
}

/* ── Scroll reveal ── */
.exp-reveal {
    opacity: 0;
    transform: translateX(-12px);
    transition:
        opacity 0.55s var(--ease-out-quint) calc(var(--i, 0) * 100ms),
        transform 0.55s var(--ease-out-quint) calc(var(--i, 0) * 100ms);
}
.exp-reveal.is-visible {
    opacity: 1;
    transform: none;
}

/* Timeline dot reveal — scales up on entry */
.exp-reveal::before {
    transform: scale(0);
    transition: transform 0.35s var(--ease-out-expo) calc(var(--i, 0) * 100ms);
}
.exp-reveal.is-visible::before {
    transform: scale(1);
}

/* Hover signal glow on the dot */
.exp-entry:hover::before {
    box-shadow: 0 0 10px 3px rgba(var(--accent-rgb), 0.3);
}

/* Projects */
.projects-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 36px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 20px;
}
.filter-btn {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    font-weight: 500;
    color: var(--muted);
    background: transparent;
    border: 1px solid var(--border);
    padding: 6px 14px;
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.25s var(--ease-out-quint);
}
.filter-btn:hover {
    color: var(--text);
    border-color: var(--border-lit);
    background: var(--surface);
}
.filter-btn.is-active {
    color: var(--on-accent);
    background: var(--accent);
    border-color: var(--accent);
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(var(--accent-rgb), 0.15);
}
.filter-btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}
.projects {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
    transition:
        opacity 0.22s var(--ease-out-quint),
        transform 0.22s var(--ease-out-quint);
}
.projects.is-filtering {
    opacity: 0;
    transform: translateY(6px);
}
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    flex-direction: column;
    transition:
        border-color 0.3s,
        transform 0.3s,
        box-shadow 0.3s;
}
.card.is-filtered-out {
    display: none !important;
}
.card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
    border-color: var(--border-lit);
}
.card__top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}
.card__tag {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--accent);
    border: 1px solid var(--border);
    padding: 4px 10px;
    border-radius: 999px;
}
.card__num {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    color: var(--border-lit);
    font-weight: 600;
}
.card__title {
    font-size: 1.18rem;
    font-weight: 700;
    margin-bottom: 10px;
    text-wrap: balance;
}
.card__desc {
    color: var(--muted);
    font-size: 0.94rem;
    flex: 1;
    text-wrap: pretty;
}
.card__stack {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 16px 0;
}
.card__stack li {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--muted);
    background: var(--surface-2);
    border: 1px solid var(--border);
    padding: 4px 9px;
    border-radius: 6px;
}
.card__links {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    align-items: center;
    min-height: 24px;
}
.card__links a {
    color: var(--accent);
    font-weight: 600;
    font-size: 0.88rem;
    transition: color 0.2s;
}
.card__links a:hover {
    color: var(--text);
}
.card__link-note {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--faint);
    border: 1px dashed var(--border);
    padding: 3px 8px;
    border-radius: 4px;
}

/* Education */
.edu {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.edu__item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: border-color 0.25s;
}
.edu__item:hover {
    border-color: var(--border-lit);
}
.edu__item h3 {
    font-size: 1.08rem;
    font-weight: 700;
    margin-bottom: 6px;
    text-wrap: balance;
}
.edu__meta {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    color: var(--accent);
    display: block;
    margin-bottom: 12px;
}
.edu__item ul {
    list-style: none;
    display: grid;
    gap: 8px;
}
.edu__item li {
    position: relative;
    padding-left: 16px;
    color: var(--muted);
    font-size: 0.92rem;
}
.edu__item li::before {
    content: "◦";
    position: absolute;
    left: 0;
    color: var(--accent);
}
.edu__item strong {
    color: var(--text);
}

/* Contact */
.section--contact {
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
}
.contact {
    text-align: center;
}
.contact .section__kicker {
    display: inline-block;
}
.contact__lead {
    color: var(--muted);
    font-size: 1.05rem;
    max-width: 500px;
    margin: 0 auto 32px;
    text-wrap: pretty;
}
.contact__form {
    display: grid;
    gap: 14px;
    max-width: 680px;
    margin: 0 auto 32px;
    text-align: left;
}
.contact__input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--text);
    font: inherit;
}
.contact__input::placeholder {
    color: var(--faint);
}
.contact__textarea {
    min-height: 150px;
    resize: vertical;
}
.contact__actions {
    display: flex;
    justify-content: flex-end;
    padding-top: 4px;
}
.contact__input:focus-visible,
.contact__submit:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-color: var(--accent);
}
.contact__submit {
    border: 0;
    cursor: pointer;
}
.contact__submit-icon {
    display: inline-flex;
    align-items: center;
}
.contact__submit-icon svg {
    width: 16px;
    height: 16px;
}
.contact__links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
}
.contact__link {
    display: flex;
    align-items: center;
    gap: 14px;
    text-align: left;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 22px;
    min-width: 230px;
    transition:
        border-color 0.25s,
        transform 0.25s,
        background 0.25s;
}
.contact__link:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    background: var(--surface-2);
}
.contact__icon {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--accent);
    color: var(--on-accent);
    font-size: 1rem;
    flex-shrink: 0;
}
.contact__link strong {
    font-size: 0.92rem;
}
.contact__link span:last-child {
    color: var(--muted);
    font-size: 0.84rem;
    line-height: 1.4;
}

/* Footer */
.footer {
    border-top: 1px solid var(--border);
    padding: 24px 0;
    position: relative;
    z-index: 1;
}
.footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    color: var(--faint);
    font-size: 0.84rem;
}
.footer__built {
    font-family: var(--font-mono);
}

/* ───────── Recommendations Strip ───────── */
.recs-strip {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: var(--bg);
    overflow: hidden;
}
.recs__overflow {
    overflow: hidden;
    padding: 18px 0;
    -webkit-mask-image: linear-gradient(
        to right,
        transparent,
        #000 5%,
        #000 95%,
        transparent
    );
    mask-image: linear-gradient(
        to right,
        transparent,
        #000 5%,
        #000 95%,
        transparent
    );
}
.recs__track {
    display: flex;
    gap: 18px;
    width: max-content;
    padding: 0 24px;
    animation: rec-marquee 70s linear infinite;
    will-change: transform;
    transform: translateZ(0);
}
.recs__track:hover {
    animation-play-state: paused;
}
.rec-card {
    width: min(400px, calc(100vw - 72px));
    flex-shrink: 0;
    padding: 18px 20px;
    border: 1px solid rgba(26, 52, 38, 0.72);
    border-radius: calc(var(--radius) + 4px);
    background: rgba(9, 19, 14, 0.9);
    box-shadow: 0 10px 24px -22px rgba(0, 0, 0, 0.35);
}
.rec-card__head {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 14px;
    align-items: center;
    margin-bottom: 14px;
}
.rec-card__avatar {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(var(--accent-rgb), 0.1);
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.04em;
}
.rec-card__head strong {
    display: block;
    font-size: 0.95rem;
    line-height: 1.2;
}
.rec-card__head span {
    color: var(--faint);
    font-size: 0.8rem;
    line-height: 1.4;
}
.rec-card__quote {
    color: var(--muted);
    font-size: 0.94rem;
    line-height: 1.65;
    text-wrap: pretty;
}
@keyframes rec-marquee {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(-50%);
    }
}

/* ───────── Certificates ───────── */
.certificates__desc {
    max-width: 58ch;
}
.certificates__header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 18px 24px;
    align-items: end;
    margin-bottom: 28px;
}
.certificates__intro {
    color: var(--muted);
    max-width: 60ch;
    text-wrap: pretty;
}
.certificates__controls {
    display: inline-flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: flex-end;
}
.carousel-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-height: 44px;
    padding: 10px 14px;
    border-radius: 999px;
    border: 1px solid var(--border-lit);
    background: var(--surface);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    cursor: pointer;
    transition:
        transform 0.2s var(--ease-out-quint),
        border-color 0.2s ease,
        color 0.2s ease,
        background 0.2s ease;
}
.carousel-btn:hover {
    transform: translateY(-1px);
    border-color: var(--accent);
    color: var(--accent);
    background: var(--surface-2);
}
.certificates-carousel {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(340px, 420px);
    gap: 24px;
    overflow-x: auto;
    padding-bottom: 12px;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
    scrollbar-color: var(--border-lit) transparent;
}
.certificates-carousel::-webkit-scrollbar {
    height: 10px;
}
.certificates-carousel::-webkit-scrollbar-thumb {
    background: var(--border-lit);
    border-radius: 999px;
}
.certificate-card {
    scroll-snap-align: start;
    display: grid;
    grid-template-rows: auto 1fr;
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) + 4px);
    overflow: hidden;
    background: linear-gradient(
        180deg,
        rgba(13, 28, 21, 0.96),
        rgba(9, 19, 14, 0.99)
    );
    box-shadow: 0 24px 60px -30px rgba(0, 0, 0, 0.68);
}
.certificate-card__image {
    display: grid;
    place-items: center;
    aspect-ratio: 1.02;
    min-height: 320px;
    padding: 12px;
    border-bottom: 1px solid var(--border);
    background: radial-gradient(
        circle at top,
        rgba(var(--accent-rgb), 0.1),
        transparent 58%
    );
}
.certificate-card__image img {
    display: block;
    width: min(100%, 340px);
    height: auto;
    max-height: 100%;
    object-fit: contain;
    border-radius: calc(var(--radius) - 4px);
}
.certificate-card__body {
    display: grid;
    align-content: start;
    align-items: start;
    grid-template-rows: auto auto 1fr auto;
    gap: 14px;
    padding: 24px;
}
.certificate-card__meta {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--accent);
    letter-spacing: 0.04em;
}
.certificate-card__title {
    font-size: 1.18rem;
    line-height: 1.15;
    letter-spacing: -0.02em;
}
.certificate-card__text {
    color: var(--muted);
    font-size: 0.95rem;
    text-wrap: pretty;
}
.certificate-card__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: fit-content;
    min-height: 42px;
    margin-top: auto;
    padding: 10px 14px;
    border-radius: 999px;
    border: 1px solid var(--border-lit);
    background: rgba(255, 255, 255, 0.02);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    transition:
        transform 0.2s var(--ease-out-quint),
        border-color 0.2s ease,
        color 0.2s ease;
}
.certificate-card__link:hover {
    transform: translateY(-1px);
    border-color: var(--accent);
    color: var(--accent);
}

/* Reveal on scroll — gentler */
.reveal {
    opacity: 0;
    transform: translateY(16px);
    transition:
        opacity 0.5s ease,
        transform 0.5s ease;
}
.reveal.is-visible {
    opacity: 1;
    transform: none;
}

/* ───────── Responsive ───────── */
@media (max-width: 900px) {
    .hero__inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .hero__visual {
        order: -1;
    }
    .section__header,
    .about__grid,
    .certificates__header {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .about__recommendations {
        margin-top: 32px;
    }
    .skills-board__meta,
    .skills-domain {
        grid-template-columns: 1fr;
    }
    .skills-board__legend,
    .certificates__controls {
        justify-content: flex-start;
    }
    .edu {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 720px) {
    .nav__links {
        position: fixed;
        inset: 70px 0 auto 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: var(--bg-alt);
        border-bottom: 1px solid var(--border);
        padding: 8px 24px 20px;
        transform: translateY(-130%);
        visibility: hidden;
        transition:
            transform 0.3s ease,
            visibility 0.3s;
        box-shadow: var(--shadow);
    }
    .nav__links.is-open {
        transform: translateY(0);
        visibility: visible;
    }
    .nav__links a {
        padding: 14px 0;
        border-bottom: 1px solid var(--border);
    }
    .nav__cta {
        text-align: center;
        margin-top: 10px;
        border-bottom: 0;
    }
    .nav__toggle {
        display: flex;
    }
    .hero {
        padding-top: 110px;
    }
    .hero__stats {
        gap: 24px;
    }
    .about__recommendations {
        gap: 18px;
    }
    .exp-entry__trigger {
        grid-template-columns: 1fr auto;
        gap: 12px;
        padding: 18px 4px 18px 0;
    }
    .exp-entry__metric {
        grid-column: 1 / -1;
    }
    .exp-entry__head {
        flex-direction: column;
        align-items: flex-start;
        gap: 2px;
    }
    .exp-entry__role-head,
    .exp-entry__client-head {
        flex-direction: column;
        gap: 2px;
    }
    .card__links a {
        display: inline-flex;
        align-items: center;
        min-height: 44px;
    }
    .skill-pill {
        min-width: 100%;
    }
    .contact__actions {
        justify-content: stretch;
    }
    .contact__submit {
        width: 100%;
        justify-content: center;
    }
    .skills-domain__icon {
        width: 50px;
        min-width: 50px;
    }
    .skills-domain__icon svg {
        width: 50px;
        height: 50px;
    }
    .rec-card {
        width: calc(100vw - 56px);
    }
    .certificates-carousel {
        grid-auto-columns: minmax(calc(100vw - 56px), calc(100vw - 56px));
    }
    .certificate-card__image {
        min-height: 280px;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto;
    }
    .reveal {
        opacity: 1;
        transform: none;
    }
    .exp-reveal {
        opacity: 1 !important;
        transform: none !important;
    }
    .exp-reveal::before {
        transform: scale(1) !important;
    }
    .hero__copy > *,
    .hero__word,
    .hero__portrait {
        opacity: 1 !important;
        transform: none !important;
    }
    .hero__canvas {
        display: none !important;
    }
    .recs__track {
        animation: none !important;
    }
}

/* ───────── Blog ───────── */
.blog__list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 32px;
}
@media (min-width: 720px) {
    .blog__list {
        grid-template-columns: 1fr 1fr;
    }
}
.blog-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition:
        border-color 0.3s,
        transform 0.3s,
        box-shadow 0.3s,
        background-color 0.3s;
}
.blog-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
    border-color: var(--border-lit);
    background: var(--surface-2);
}
.blog-card__image {
    width: calc(100% + 48px);
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: var(--radius) var(--radius) 0 0;
    margin: -24px -24px 4px;
}
.blog-card__meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--muted);
}
.blog-card__excerpt {
    color: var(--muted);
    font-size: 0.94rem;
    flex: 1;
    text-wrap: pretty;
}
.blog-card__tags {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 6px;
}
.blog__empty {
    margin-top: 32px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 24px;
    text-align: center;
    color: var(--muted);
}
.blog__post {
    max-width: 65ch;
    margin: 0 auto;
}
.blog__post-image {
    width: 100%;
    max-height: 420px;
    object-fit: cover;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    margin: 20px 0 8px;
}
.blog__prose h2,
.blog__prose h3 {
    margin-top: 32px;
    margin-bottom: 12px;
    font-weight: 700;
}
.blog__prose p {
    margin-bottom: 16px;
    color: var(--text);
}
.blog__prose a {
    color: var(--accent);
}
.blog__prose code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 2px 6px;
}
.blog__prose pre {
    font-family: var(--font-mono);
    font-size: 0.88rem;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px;
    overflow-x: auto;
    margin-bottom: 16px;
}
.blog__prose pre code {
    background: none;
    border: none;
    padding: 0;
}
.blog__prose blockquote {
    border-left: 3px solid var(--border-lit);
    padding-left: 16px;
    margin: 16px 0;
    color: var(--muted);
}