/* ==========================================================================
   Nithish Marneni — Portfolio
   Direction: "Trading Terminal meets Editorial"
   ==========================================================================*/

:root {
    /* Palette */
    --bg:           #0a0b0d;
    --bg-raised:    #111215;
    --bg-sunken:    #06070a;
    --panel:        #0f1013;

    --fg:           #ede8dc;
    --fg-muted:     #a09a8f;
    --fg-dim:       #6a665f;
    --fg-faint:     #3d3a35;

    --accent:       #d4ff3a;
    --accent-dim:   #8ba526;
    --warn:         #ff5c39;
    --ok:           #7ed957;

    --border:       rgba(237, 234, 226, 0.08);
    --border-strong: rgba(237, 234, 226, 0.18);
    --border-accent: rgba(212, 255, 58, 0.4);

    /* Typography */
    --f-serif:  "Instrument Serif", "Iowan Old Style", Georgia, serif;
    --f-sans:   "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
    --f-mono:   "JetBrains Mono", ui-monospace, Menlo, monospace;

    /* Scale */
    --wrap:     1280px;
    --gutter:   clamp(20px, 4vw, 48px);

    /* Easing */
    --ease:     cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; margin: 0; }

body {
    background: var(--bg);
    color: var(--fg);
    font-family: var(--f-sans);
    font-weight: 400;
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

::selection { background: var(--accent); color: #0a0b0d; }

/* ---------- Atmospheric layers ---------- */
.bg-grid, .bg-grain, .bg-gradient {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}
.bg-grid {
    background-image:
        linear-gradient(to right, rgba(237,234,226,0.028) 1px, transparent 1px);
    background-size: calc(100% / 12) 100%;
    mask-image: linear-gradient(to bottom, transparent, #000 120px, #000 calc(100% - 120px), transparent);
}
.bg-grain {
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.93 0 0 0 0 0.91 0 0 0 0 0.86 0 0 0 0.04 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    opacity: 0.8;
    mix-blend-mode: overlay;
}
.bg-gradient {
    background:
        radial-gradient(900px 600px at 85% -10%, rgba(212, 255, 58, 0.06), transparent 70%),
        radial-gradient(700px 500px at 0% 30%, rgba(255, 92, 57, 0.04), transparent 70%);
}

/* ---------- Layout ---------- */
.wrap {
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 0 var(--gutter);
    position: relative;
    z-index: 1;
}
main { position: relative; z-index: 1; }

.section {
    padding: clamp(80px, 12vw, 160px) 0;
    position: relative;
}
.section + .section { border-top: 1px solid var(--border); }

.section__head {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: clamp(16px, 3vw, 48px);
    align-items: baseline;
    margin-bottom: clamp(48px, 7vw, 96px);
    padding-bottom: clamp(32px, 5vw, 56px);
    border-bottom: 1px solid var(--border);
}
.section__num {
    font-family: var(--f-mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    color: var(--fg-dim);
    font-weight: 500;
    padding-top: 10px;
}
.section__title {
    font-family: var(--f-serif);
    font-weight: 400;
    font-size: clamp(40px, 6.5vw, 84px);
    line-height: 0.98;
    letter-spacing: -0.02em;
    margin: 0;
    grid-column: 2;
    color: var(--fg);
}
.section__title em {
    font-style: italic;
    color: var(--accent);
}
.section__kicker {
    grid-column: 2;
    max-width: 640px;
    color: var(--fg-muted);
    margin: 18px 0 0;
    font-size: 15px;
    line-height: 1.6;
}

/* ---------- Navigation ---------- */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 16px 0;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    background: rgba(10, 11, 13, 0.58);
    border-bottom: 1px solid transparent;
    transition: border-color .3s var(--ease), background .3s var(--ease);
}
.nav.is-scrolled {
    border-bottom-color: var(--border);
    background: rgba(10, 11, 13, 0.78);
}
.nav__inner {
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 0 var(--gutter);
    display: flex;
    align-items: center;
    gap: 24px;
}
.nav__brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-family: var(--f-mono);
    font-size: 12px;
    letter-spacing: 0.08em;
    color: var(--fg);
}
.nav__mark {
    display: inline-grid;
    place-items: center;
    width: 28px; height: 28px;
    background: var(--accent);
    color: #0a0b0d;
    font-weight: 600;
    border-radius: 4px;
    letter-spacing: 0;
}
.nav__divider { width: 20px; height: 1px; background: var(--border-strong); }
.nav__role { color: var(--fg-muted); text-transform: uppercase; }

.nav__menu {
    display: flex;
    gap: 22px;
    margin: 0 auto;
    font-family: var(--f-sans);
    font-size: 13.5px;
    color: var(--fg-muted);
}
.nav__menu a {
    display: inline-flex;
    align-items: baseline;
    gap: 6px;
    padding: 6px 4px;
    transition: color .25s var(--ease);
}
.nav__menu a:hover { color: var(--fg); }
.nav__menu a:hover .nav__num { color: var(--accent); }
.nav__num {
    font-family: var(--f-mono);
    font-size: 10px;
    color: var(--fg-dim);
    letter-spacing: 0.08em;
    transition: color .25s var(--ease);
}

.nav__cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border: 1px solid var(--border-strong);
    border-radius: 100px;
    font-family: var(--f-mono);
    font-size: 11.5px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--fg);
    transition: background .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease);
}
.nav__cta:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #0a0b0d;
}

.nav__burger {
    display: none;
    width: 34px; height: 34px;
    position: relative;
    border: 1px solid var(--border-strong);
    border-radius: 6px;
}
.nav__burger span {
    position: absolute;
    left: 8px; right: 8px;
    height: 1px;
    background: var(--fg);
    transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.nav__burger span:nth-child(1) { top: 13px; }
.nav__burger span:nth-child(2) { bottom: 13px; }
.nav.is-open .nav__burger span:nth-child(1) { transform: translateY(4px) rotate(45deg); }
.nav.is-open .nav__burger span:nth-child(2) { transform: translateY(-4px) rotate(-45deg); }

/* ---------- Eyebrow + dot ---------- */
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--f-mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--fg-muted);
    margin: 0 0 28px;
    padding: 6px 12px 6px 10px;
    border: 1px solid var(--border);
    border-radius: 100px;
    background: rgba(237, 234, 226, 0.02);
}
.dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--accent);
}
.dot--live {
    box-shadow: 0 0 0 0 rgba(212, 255, 58, 0.7);
    animation: pulse 1.6s infinite;
}
@keyframes pulse {
    0%   { box-shadow: 0 0 0 0 rgba(212, 255, 58, 0.6); }
    70%  { box-shadow: 0 0 0 8px rgba(212, 255, 58, 0); }
    100% { box-shadow: 0 0 0 0 rgba(212, 255, 58, 0); }
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 22px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.01em;
    transition: transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
    white-space: nowrap;
}
.btn--primary {
    background: var(--accent);
    color: #0a0b0d;
    border: 1px solid var(--accent);
}
.btn--primary:hover {
    transform: translateY(-1px);
    background: #e3ff5e;
}
.btn--ghost {
    border: 1px solid var(--border-strong);
    color: var(--fg);
    font-family: var(--f-mono);
    font-size: 13px;
}
.btn--ghost:hover {
    border-color: var(--fg);
    transform: translateY(-1px);
}

/* ==========================================================================
   HERO
   ==========================================================================*/
.hero {
    padding: clamp(120px, 16vh, 180px) 0 clamp(60px, 8vw, 110px);
    position: relative;
    overflow: hidden;
}
.hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 80px);
    align-items: start;
}
.hero__lead { padding-top: 10px; }

.hero__title {
    font-family: var(--f-serif);
    font-weight: 400;
    font-size: clamp(44px, 7vw, 96px);
    line-height: 0.96;
    letter-spacing: -0.025em;
    margin: 0 0 32px;
    color: var(--fg);
}
.hero__title em {
    font-style: italic;
    position: relative;
    color: var(--accent);
}
.hero__title em::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: 0.05em;
    height: 2px;
    background: currentColor;
    opacity: 0.18;
}

.hero__sub {
    max-width: 520px;
    color: var(--fg-muted);
    font-size: 16.5px;
    line-height: 1.65;
    margin: 0 0 40px;
}

.hero__cta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 42px;
}

.hero__socials {
    display: flex;
    flex-wrap: wrap;
    gap: 28px;
    font-family: var(--f-mono);
    font-size: 12px;
    letter-spacing: 0.05em;
    color: var(--fg-muted);
}
.hero__socials a {
    position: relative;
    padding-bottom: 2px;
    transition: color .25s var(--ease);
}
.hero__socials a::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 1px;
    background: var(--fg-dim);
    transform: scaleX(0.3);
    transform-origin: left;
    transition: transform .3s var(--ease), background .3s var(--ease);
}
.hero__socials a:hover { color: var(--fg); }
.hero__socials a:hover::after { transform: scaleX(1); background: var(--accent); }

/* ---------- Console (terminal pane) ---------- */
.console {
    background: linear-gradient(180deg, #0d0e12 0%, #0a0b0d 100%);
    border: 1px solid var(--border-strong);
    border-radius: 10px;
    overflow: hidden;
    box-shadow:
        0 1px 0 rgba(255,255,255,0.03) inset,
        0 20px 60px rgba(0,0,0,0.6);
    position: relative;
}
.console::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(212,255,58,0.06), transparent 15%);
    pointer-events: none;
}

.console__bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    background: rgba(255,255,255,0.015);
}
.console__dots {
    display: inline-flex;
    gap: 6px;
}
.console__dots span {
    width: 9px; height: 9px;
    border-radius: 50%;
    background: rgba(237,234,226,0.14);
}
.console__dots span:first-child { background: rgba(255,92,57,0.55); }
.console__dots span:nth-child(2) { background: rgba(255,195,0,0.45); }
.console__dots span:last-child  { background: rgba(126,217,87,0.55); }
.console__title {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--fg-dim);
    letter-spacing: 0.03em;
}
.console__status {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-family: var(--f-mono);
    font-size: 10.5px;
    color: var(--accent);
    letter-spacing: 0.12em;
}

.console__body {
    padding: 18px 18px 16px;
    font-family: var(--f-mono);
    font-size: 12.5px;
    line-height: 1.7;
    color: var(--fg);
}
.console__meta {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    padding-bottom: 14px;
    margin-bottom: 14px;
    border-bottom: 1px dashed var(--border);
    font-size: 11px;
}
.console__meta .k {
    display: block;
    color: var(--fg-dim);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 9.5px;
    margin-bottom: 3px;
}
.console__meta .v { color: var(--fg); font-weight: 500; }

.console__log {
    margin: 0;
    min-height: 230px;
    white-space: pre-wrap;
    word-break: break-word;
    font-size: 11.5px;
    line-height: 1.85;
    color: var(--fg-muted);
}
.console__log .ts   { color: var(--fg-dim); }
.console__log .id   { color: var(--fg); }
.console__log .score{ color: var(--fg); }
.console__log .allow{ color: var(--ok); }
.console__log .block{ color: var(--warn); }
.console__log .caret {
    display: inline-block;
    width: 7px; height: 12px;
    background: var(--accent);
    margin-left: 4px;
    transform: translateY(1px);
    animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.console__footer {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    padding-top: 14px;
    margin-top: 14px;
    border-top: 1px dashed var(--border);
    font-size: 11px;
    text-align: left;
}
.console__footer .k {
    color: var(--fg-dim);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 9.5px;
    margin-right: 6px;
}
.console__footer .v { font-weight: 500; }
.console__footer .accent { color: var(--accent); }

/* ---------- Marquee ---------- */
.marquee {
    margin-top: clamp(56px, 9vw, 96px);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 22px 0;
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
}
.marquee__track {
    display: flex;
    gap: 40px;
    white-space: nowrap;
    font-family: var(--f-serif);
    font-size: clamp(22px, 3vw, 36px);
    font-style: italic;
    letter-spacing: -0.01em;
    color: var(--fg);
    animation: marquee 42s linear infinite;
    will-change: transform;
}
.marquee__item {}
.marquee__sep {
    color: var(--accent);
    font-size: 0.5em;
    align-self: center;
}
@keyframes marquee {
    to { transform: translateX(-50%); }
}

/* ==========================================================================
   IMPACT STRIP
   ==========================================================================*/
.impact {
    padding: clamp(60px, 9vw, 110px) 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.impact__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
}
.impact__cell {
    padding: clamp(20px, 2.5vw, 32px) clamp(20px, 2.8vw, 40px);
    border-left: 1px solid var(--border);
    position: relative;
}
.impact__cell:first-child { border-left: 0; padding-left: 0; }
.impact__num {
    font-family: var(--f-serif);
    font-size: clamp(54px, 7vw, 96px);
    line-height: 1;
    letter-spacing: -0.03em;
    color: var(--fg);
    margin-bottom: 18px;
    display: flex;
    align-items: baseline;
    gap: 4px;
}
.impact__num .unit {
    font-family: var(--f-mono);
    font-size: 0.28em;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-style: normal;
    font-weight: 500;
    transform: translateY(-0.6em);
}
.impact__label {
    color: var(--fg-muted);
    font-size: 13px;
    line-height: 1.55;
    max-width: 260px;
}

/* ==========================================================================
   ABOUT
   ==========================================================================*/
.section--about { padding-top: clamp(90px, 12vw, 140px); padding-bottom: clamp(90px, 12vw, 140px); }

.about {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.25fr);
    gap: clamp(40px, 6vw, 96px);
    align-items: start;
}

.about__portrait {
    margin: 0;
    position: sticky;
    top: 110px;
    align-self: start;
}
.about__frame {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-strong);
    background: linear-gradient(180deg, #1a1a1a, #0f0f0f);
    aspect-ratio: 4 / 5;
    box-shadow:
        0 40px 80px -30px rgba(0, 0, 0, 0.7),
        0 0 0 1px rgba(212, 255, 58, 0.04) inset;
}
.about__frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 50% 30%;
    display: block;
    filter: contrast(1.03) saturate(0.95);
    transition: transform 1.2s var(--ease), filter .6s var(--ease);
}
.about__frame::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(120% 80% at 20% 0%, rgba(212,255,58,0.08), transparent 55%),
        linear-gradient(180deg, transparent 55%, rgba(10,11,13,0.5) 100%);
    pointer-events: none;
    z-index: 1;
}
.about__frame::after {
    content: "";
    position: absolute;
    inset: 10px;
    border: 1px solid rgba(237, 234, 226, 0.1);
    border-radius: 4px;
    pointer-events: none;
    z-index: 2;
}
.about__portrait:hover .about__frame img { transform: scale(1.02); }

.about__portrait figcaption {
    margin-top: 16px;
    display: flex;
    gap: 14px;
    align-items: baseline;
    font-family: var(--f-mono);
    font-size: 10.5px;
    letter-spacing: 0.08em;
    color: var(--fg-dim);
}
.about__portrait figcaption .k {
    color: var(--accent);
    text-transform: uppercase;
}
.about__portrait figcaption .v {
    color: var(--fg-muted);
    text-transform: uppercase;
}

.about__body { padding-top: 6px; }
.about__body .section__num {
    display: block;
    margin-bottom: 20px;
}
.about__title {
    font-family: var(--f-serif);
    font-weight: 400;
    font-size: clamp(44px, 6.5vw, 90px);
    line-height: 0.98;
    letter-spacing: -0.025em;
    margin: 0 0 32px;
    color: var(--fg);
}
.about__title em {
    font-style: italic;
    color: var(--accent);
}
.about__lede {
    font-size: 18px;
    line-height: 1.55;
    color: var(--fg);
    margin: 0 0 22px;
    max-width: 60ch;
}
.about__para {
    font-size: 15.5px;
    line-height: 1.68;
    color: var(--fg-muted);
    margin: 0 0 18px;
    max-width: 64ch;
}
.about__para:last-of-type { margin-bottom: 40px; }

.about__facts {
    margin: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border-top: 1px solid var(--border);
}
.about__facts > div {
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: 16px;
    align-items: baseline;
    padding-right: 20px;
}
.about__facts > div:nth-child(even) { padding-left: 20px; padding-right: 0; border-left: 1px solid var(--border); }
.about__facts dt {
    font-family: var(--f-mono);
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--fg-dim);
    font-weight: 500;
}
.about__facts dd {
    margin: 0;
    font-size: 14px;
    color: var(--fg);
    line-height: 1.35;
}
.about__facts dd a {
    color: var(--fg);
    border-bottom: 1px solid var(--border-strong);
    padding-bottom: 1px;
    transition: border-color .25s var(--ease), color .25s var(--ease);
}
.about__facts dd a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* ==========================================================================
   TIMELINE / ROLES
   ==========================================================================*/
.timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
}
.role {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: clamp(32px, 5vw, 80px);
    padding: clamp(40px, 5vw, 64px) 0;
    border-top: 1px solid var(--border);
    position: relative;
}
.role:first-child { border-top: 0; padding-top: 0; }

.role__meta {
    position: sticky;
    top: 110px;
    align-self: start;
}
.role__years {
    font-family: var(--f-mono);
    font-size: 13px;
    color: var(--fg);
    letter-spacing: 0.04em;
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}
.role__years span:nth-child(2) { color: var(--fg-dim); }
.role__location {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--fg-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.role__tag {
    display: inline-block;
    margin-top: 14px;
    padding: 4px 10px;
    border: 1px solid var(--border-accent);
    color: var(--accent);
    font-family: var(--f-mono);
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: 100px;
    background: rgba(212, 255, 58, 0.06);
}

.role__company {
    font-family: var(--f-serif);
    font-weight: 400;
    font-size: clamp(32px, 4vw, 50px);
    letter-spacing: -0.02em;
    margin: 0 0 4px;
    color: var(--fg);
}
.role__title {
    font-family: var(--f-mono);
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--fg-muted);
    margin: 0 0 18px;
}
.role__lede {
    font-size: 16px;
    color: var(--fg);
    line-height: 1.55;
    margin: 0 0 28px;
    max-width: 64ch;
}

.role__bullets {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 28px;
}
.role__bullets li {
    display: grid;
    grid-template-columns: 32px 1fr;
    align-items: baseline;
    padding-left: 0;
    color: var(--fg);
    font-size: 15px;
    line-height: 1.6;
    position: relative;
}
.role__bullets li::before {
    content: "";
    width: 18px;
    height: 1px;
    background: var(--accent);
    transform: translateY(-6px);
    align-self: center;
    margin-top: 0;
}
.role__bullets b { color: var(--accent); font-weight: 500; }

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.chips li {
    font-family: var(--f-mono);
    font-size: 10.5px;
    letter-spacing: 0.04em;
    padding: 5px 10px;
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--fg-muted);
    background: rgba(237, 234, 226, 0.02);
    transition: color .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}
.chips li:hover {
    color: var(--fg);
    border-color: var(--border-strong);
    background: rgba(237, 234, 226, 0.04);
}
.chips--sm li { font-size: 10px; padding: 4px 8px; }

/* ==========================================================================
   PROJECTS
   ==========================================================================*/
.projects {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    border-top: 1px solid var(--border);
}
.project {
    padding: clamp(36px, 5vw, 64px) 0;
    border-bottom: 1px solid var(--border);
    display: grid;
    grid-template-columns: 80px minmax(0, 1fr) 320px;
    gap: clamp(24px, 4vw, 56px);
    align-items: start;
    position: relative;
    transition: background .3s var(--ease);
}
.project:hover { background: linear-gradient(90deg, transparent, rgba(212,255,58,0.02), transparent); }

.project__index {
    font-family: var(--f-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--fg-dim);
    padding-top: 12px;
}

.project__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-family: var(--f-mono);
    font-size: 10.5px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--fg-muted);
    grid-column: 2;
    margin-bottom: 14px;
}
.project__meta span:nth-child(even) { color: var(--fg-dim); }

.project__title {
    font-family: var(--f-serif);
    font-weight: 400;
    font-size: clamp(32px, 4vw, 54px);
    line-height: 1.02;
    letter-spacing: -0.02em;
    margin: 0 0 18px;
    grid-column: 2;
    color: var(--fg);
}
.project__title em {
    font-style: italic;
    color: var(--accent);
}

.project__desc {
    grid-column: 2;
    max-width: 62ch;
    color: var(--fg-muted);
    font-size: 15px;
    line-height: 1.65;
    margin: 0 0 22px;
}

.project__metrics {
    grid-column: 3;
    grid-row: 2 / span 3;
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: rgba(237,234,226,0.015);
}
.project__metrics div {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.project__metrics .m {
    font-family: var(--f-serif);
    font-size: 34px;
    line-height: 1;
    letter-spacing: -0.02em;
    color: var(--fg);
    display: inline-flex;
    align-items: baseline;
    gap: 2px;
}
.project__metrics .m i {
    font-family: var(--f-mono);
    font-style: normal;
    font-size: 0.4em;
    color: var(--accent);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-weight: 500;
}
.project__metrics .l {
    font-family: var(--f-mono);
    font-size: 10.5px;
    color: var(--fg-muted);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.project .chips {
    grid-column: 2;
    margin-top: 8px;
}

/* ==========================================================================
   STACK
   ==========================================================================*/
.stack {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border-top: 1px solid var(--border);
    border-left: 1px solid var(--border);
}
.stack__col {
    padding: clamp(24px, 3vw, 36px);
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: rgba(237,234,226,0.008);
    transition: background .3s var(--ease);
}
.stack__col:hover { background: rgba(212,255,58,0.015); }

.stack__col h4 {
    font-family: var(--f-mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 500;
    margin: 0 0 22px;
    padding-bottom: 12px;
    border-bottom: 1px dashed var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
}
.stack__col h4::before {
    content: "◆";
    font-size: 8px;
    color: var(--accent);
}
.stack__list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-family: var(--f-sans);
    font-size: 14.5px;
    color: var(--fg);
}
.stack__list li {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    padding: 2px 0;
}
.stack__list li::before {
    content: "";
    display: inline-block;
    width: 4px; height: 4px;
    background: var(--fg-dim);
    border-radius: 50%;
    margin-right: 10px;
    transform: translateY(-2px);
}
.stack__list li span {
    font-family: var(--f-mono);
    font-size: 10px;
    color: var(--fg-dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* ==========================================================================
   CREDENTIALS
   ==========================================================================*/
.creds {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(32px, 4vw, 64px);
}
.creds__block {}
.creds__label {
    font-family: var(--f-mono);
    font-size: 10.5px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--fg-dim);
    margin: 0 0 24px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
    font-weight: 500;
}

/* Education */
.edu {
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: 14px;
    padding: 16px 0;
    border-bottom: 1px dashed var(--border);
}
.edu:last-child { border-bottom: 0; }
.edu__years {
    font-family: var(--f-mono);
    font-size: 10.5px;
    color: var(--fg-muted);
    letter-spacing: 0.04em;
    padding-top: 4px;
}
.edu h5 {
    font-family: var(--f-serif);
    font-size: 20px;
    font-weight: 400;
    margin: 0 0 2px;
    letter-spacing: -0.01em;
    color: var(--fg);
}
.edu p {
    margin: 0;
    font-size: 13px;
    color: var(--fg-muted);
}
.edu__note { color: var(--accent) !important; font-family: var(--f-mono); font-size: 11px !important; margin-top: 6px !important; letter-spacing: 0.04em; }

/* Certs list */
.cert-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.cert-list li {
    display: grid;
    grid-template-columns: 72px 1fr;
    gap: 14px;
    padding: 12px 0;
    border-bottom: 1px dashed var(--border);
    align-items: baseline;
}
.cert-list li:last-child { border-bottom: 0; }
.cert__issuer {
    font-family: var(--f-mono);
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 500;
}
.cert__name {
    color: var(--fg);
    font-size: 14px;
    line-height: 1.4;
}

/* Awards */
.award { padding: 16px 0; border-bottom: 1px dashed var(--border); }
.award:last-child { border-bottom: 0; }
.award h5 {
    font-family: var(--f-serif);
    font-size: 22px;
    font-weight: 400;
    margin: 0 0 4px;
    letter-spacing: -0.01em;
    color: var(--fg);
}
.award__org {
    font-family: var(--f-mono) !important;
    font-size: 10.5px !important;
    color: var(--fg-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin: 0 0 8px !important;
}
.award p {
    margin: 0 0 10px;
    font-size: 13.5px;
    color: var(--fg-muted);
    line-height: 1.55;
}
.award__link {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--accent);
    letter-spacing: 0.04em;
    border-bottom: 1px solid transparent;
    padding-bottom: 2px;
    transition: border-color .25s var(--ease);
}
.award__link:hover { border-bottom-color: var(--accent); }

/* ==========================================================================
   CONTACT
   ==========================================================================*/
.section--contact .section__title { font-size: clamp(48px, 8vw, 120px); }

.contact {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 0;
    border-top: 1px solid var(--border);
    border-left: 1px solid var(--border);
}
.contact__card {
    padding: clamp(28px, 4vw, 44px);
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 10px;
    position: relative;
    background: rgba(237,234,226,0.006);
    transition: background .3s var(--ease);
}
.contact__card:hover { background: rgba(212,255,58,0.04); }

.contact__kind {
    font-family: var(--f-mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--fg-dim);
}
.contact__value {
    font-family: var(--f-serif);
    font-size: clamp(18px, 1.6vw, 22px);
    color: var(--fg);
    letter-spacing: -0.01em;
    line-height: 1.2;
    margin-top: 4px;
    overflow-wrap: anywhere;
}
.contact__arrow {
    position: absolute;
    top: 20px; right: 20px;
    font-family: var(--f-mono);
    font-size: 16px;
    color: var(--fg-dim);
    transition: color .25s var(--ease), transform .25s var(--ease);
}
.contact__card:hover .contact__arrow {
    color: var(--accent);
    transform: translate(2px, -2px);
}

/* ==========================================================================
   FOOTER
   ==========================================================================*/
.footer {
    border-top: 1px solid var(--border);
    padding: clamp(56px, 7vw, 88px) 0 40px;
    position: relative;
    z-index: 1;
    background: var(--bg-sunken);
}
.footer__inner {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    align-items: start;
}
.footer__brand {
    display: flex;
    flex-direction: column;
    gap: 14px;
    font-size: 13px;
    color: var(--fg-muted);
}
.footer__mark {
    display: inline-grid;
    place-items: center;
    width: 32px; height: 32px;
    background: var(--accent);
    color: #0a0b0d;
    font-family: var(--f-mono);
    font-weight: 600;
    border-radius: 4px;
    font-size: 12px;
}
.footer__col {
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 13px;
    color: var(--fg-muted);
}
.footer__col a {
    color: var(--fg);
    transition: color .25s var(--ease);
}
.footer__col a:hover { color: var(--accent); }
.footer__label {
    font-family: var(--f-mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--fg-dim);
    margin-bottom: 4px;
}

/* ---------- Back to top ---------- */
.totop {
    position: fixed;
    bottom: 24px; right: 24px;
    width: 42px; height: 42px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--bg-raised);
    border: 1px solid var(--border-strong);
    color: var(--fg);
    z-index: 90;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity .3s var(--ease), transform .3s var(--ease), background .25s var(--ease), border-color .25s var(--ease);
    pointer-events: none;
}
.totop.is-visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}
.totop:hover {
    background: var(--accent);
    color: #0a0b0d;
    border-color: var(--accent);
}

/* ==========================================================================
   Profile card (replaces about portrait when no photo)
   ==========================================================================*/
.about__frame--card {
    display: flex;
    background: linear-gradient(165deg, #14161a 0%, #0c0d10 60%, #0a0b0d 100%);
    overflow: hidden;
    isolation: isolate;
}
.about__frame--card::before {
    background:
        radial-gradient(120% 80% at 80% 0%, rgba(212,255,58,0.10), transparent 55%),
        radial-gradient(60% 50% at 0% 100%, rgba(255, 92, 57, 0.05), transparent 60%);
}
.card {
    position: relative;
    z-index: 3;
    width: 100%;
    padding: clamp(24px, 4%, 36px);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    color: var(--fg);
}
.card__top {
    display: flex;
    justify-content: space-between;
    font-family: var(--f-mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--fg-dim);
}
.card__center { padding: 8px 0; }
.card__mark {
    font-family: var(--f-mono);
    font-size: 11px;
    letter-spacing: 0.2em;
    color: var(--accent);
    margin-bottom: 18px;
}
.card__name {
    font-family: var(--f-serif);
    font-style: italic;
    font-weight: 400;
    font-size: clamp(40px, 5vw, 60px);
    line-height: 0.96;
    letter-spacing: -0.025em;
    color: var(--fg);
    margin-bottom: 14px;
}
.card__role {
    font-family: var(--f-mono);
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--fg-muted);
}
.card__facts {
    margin: 0;
    padding-top: 22px;
    border-top: 1px dashed var(--border-strong);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 22px;
}
.card__facts > div { display: flex; flex-direction: column; gap: 4px; }
.card__facts dt {
    font-family: var(--f-mono);
    font-size: 9.5px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
    margin: 0;
}
.card__facts dd {
    font-family: var(--f-sans);
    font-size: 13px;
    color: var(--fg);
    margin: 0;
    line-height: 1.35;
}

/* ==========================================================================
   Open Source / GitHub repos
   ==========================================================================*/
.repos {
    margin-top: clamp(40px, 6vw, 72px);
    padding-top: clamp(28px, 4vw, 44px);
    border-top: 1px solid var(--border);
}
.repos__head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 28px;
}
.repos__label {
    font-family: var(--f-mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
}
.repos__more {
    font-family: var(--f-mono);
    font-size: 11.5px;
    letter-spacing: 0.06em;
    color: var(--fg-muted);
    border-bottom: 1px solid var(--border);
    padding-bottom: 2px;
    transition: color .25s var(--ease), border-color .25s var(--ease);
}
.repos__more:hover { color: var(--accent); border-bottom-color: var(--accent); }

.repos__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border-top: 1px solid var(--border);
    border-left: 1px solid var(--border);
}
.repo {
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: rgba(237,234,226,0.008);
    transition: background .3s var(--ease);
}
.repo:hover { background: rgba(212,255,58,0.018); }
.repo a {
    display: block;
    padding: clamp(20px, 2.4vw, 28px);
    height: 100%;
    color: inherit;
}
.repo__head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}
.repo__name {
    font-family: var(--f-mono);
    font-size: 13.5px;
    letter-spacing: 0.01em;
    color: var(--fg);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: color .25s var(--ease);
}
.repo:hover .repo__name { color: var(--accent); }
.repo__lang {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--f-mono);
    font-size: 10px;
    letter-spacing: 0.06em;
    color: var(--fg-muted);
    text-transform: uppercase;
    flex-shrink: 0;
}
.repo__dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
}
.repo__desc {
    font-size: 13.5px;
    line-height: 1.55;
    color: var(--fg-muted);
    margin: 0 0 18px;
}
.repo__meta {
    display: flex;
    gap: 8px;
    font-family: var(--f-mono);
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--fg-dim);
}
.repo__meta span:nth-child(2) { opacity: 0.6; }

/* ==========================================================================
   Scroll reveal
   ==========================================================================*/
.reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity .7s var(--ease), transform .7s var(--ease);
    will-change: transform, opacity;
}
.reveal.is-in {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Responsive
   ==========================================================================*/
@media (max-width: 1080px) {
    .hero__grid { grid-template-columns: 1fr; }
    .console { max-width: 560px; }

    .about { grid-template-columns: 1fr; gap: 40px; }
    .about__portrait { position: static; max-width: 440px; }
    .about__facts { grid-template-columns: 1fr; }
    .about__facts > div { border-left: 0 !important; padding-left: 0 !important; padding-right: 0 !important; }

    .impact__grid { grid-template-columns: repeat(2, 1fr); }
    .impact__cell { padding: 24px 20px; border-left: 1px solid var(--border); border-top: 1px solid var(--border); }
    .impact__cell:nth-child(2n+1) { border-left: 0; padding-left: 0; }
    .impact__cell:nth-child(-n+2) { border-top: 0; padding-top: 0; }

    .project { grid-template-columns: 60px 1fr; }
    .project__metrics {
        grid-column: 2;
        grid-row: auto;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 20px 32px;
    }
    .project__metrics div { flex: 1 1 130px; }

    .stack { grid-template-columns: repeat(2, 1fr); }
    .repos__grid { grid-template-columns: repeat(2, 1fr); }
    .creds { grid-template-columns: 1fr; }
    .contact { grid-template-columns: repeat(2, 1fr); }
    .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 780px) {
    .nav__menu { display: none; }
    .nav.is-open .nav__menu {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%; left: 0; right: 0;
        background: rgba(10, 11, 13, 0.96);
        backdrop-filter: blur(18px);
        border-top: 1px solid var(--border);
        padding: 20px var(--gutter);
        gap: 6px;
        margin: 0;
    }
    .nav__burger { display: block; }
    .nav__cta { display: none; }
    .nav__divider { display: none; }
    .nav__role { display: none; }

    .section__head { grid-template-columns: 1fr; gap: 8px; }
    .section__num { padding-top: 0; }
    .section__title,
    .section__kicker { grid-column: 1; }

    .role { grid-template-columns: 1fr; }
    .role__meta { position: static; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
    .role__meta .role__tag { margin-top: 0; }

    .project { grid-template-columns: 1fr; gap: 8px; }
    .project__index { padding-top: 0; }
    .project__meta, .project__title, .project__desc, .project .chips, .project__metrics { grid-column: 1; }
    .project__metrics { flex-direction: column; gap: 14px; }

    .stack { grid-template-columns: 1fr; }
    .repos__grid { grid-template-columns: 1fr; }
    .contact { grid-template-columns: 1fr; }
    .contact__card { border-right: 0; }

    .footer__inner { grid-template-columns: 1fr; gap: 28px; }

    .hero { padding-top: 110px; }
    .hero__title { font-size: 46px; }

    .impact__grid { grid-template-columns: 1fr; }
    .impact__cell { border-left: 0; padding-left: 0; border-top: 1px solid var(--border); }
    .impact__cell:first-child { border-top: 0; }
}

/* Prefers reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    .marquee__track { animation: none; }
    .dot--live { animation: none; }
}