/* ═══════════════════════════════════════════════════════════════
   RAJAT KUMAR — PORTFOLIO
   An editorial-engineered maker's index.
   Vanilla CSS · design tokens · dark + light · reduced-motion aware
   ═══════════════════════════════════════════════════════════════ */

/* ---------- TOKENS ---------- */
:root {
    /* dark theme (default) */
    --bg:        #08090d;
    --bg-1:      #0c0e14;
    --bg-2:      #12141c;
    --surface:   rgba(255,255,255,.024);
    --surface-2: rgba(255,255,255,.045);
    --line:      rgba(255,255,255,.09);
    --line-2:    rgba(255,255,255,.06);

    --fg:        #f3f1ea;
    --fg-2:      #a7a69f;
    --fg-3:      #6d6c66;

    --accent:      #ffb02e;
    --accent-soft: #ffcf85;
    --accent-deep: #e0921f;
    --glow:      rgba(255,176,46,.20);
    --glow-soft: rgba(255,176,46,.10);

    --shadow-1: 0 2px 8px rgba(0,0,0,.3);
    --shadow-2: 0 24px 60px -24px rgba(0,0,0,.7);
    --shadow-3: 0 40px 120px -40px rgba(0,0,0,.85);

    --radius:   18px;
    --radius-sm:12px;
    --maxw:     1200px;

    --font-display: 'Bricolage Grotesque', 'Inter', system-ui, sans-serif;
    --font-body:    'Inter', system-ui, -apple-system, sans-serif;
    --font-mono:    'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

    --ease: cubic-bezier(.22,1,.36,1);
    --ease-out: cubic-bezier(.16,1,.3,1);

    color-scheme: dark;
}

[data-theme="light"] {
    --bg:        #f3efe6;
    --bg-1:      #f8f5ee;
    --bg-2:      #ffffff;
    --surface:   rgba(20,17,10,.03);
    --surface-2: rgba(20,17,10,.05);
    --line:      rgba(30,25,15,.14);
    --line-2:    rgba(30,25,15,.09);

    --fg:        #191712;
    --fg-2:      #5c584f;
    --fg-3:      #8f8a7e;

    --accent:      #b9740b;
    --accent-soft: #d8890f;
    --accent-deep: #96590a;
    --glow:      rgba(201,127,17,.18);
    --glow-soft: rgba(201,127,17,.08);

    --shadow-1: 0 2px 8px rgba(60,45,20,.08);
    --shadow-2: 0 24px 60px -28px rgba(60,45,20,.28);
    --shadow-3: 0 40px 110px -44px rgba(60,45,20,.32);

    color-scheme: light;
}

/* ---------- RESET / BASE ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: clip; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--fg);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: clip;
    position: relative;
    transition: background .5s var(--ease), color .5s var(--ease);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: none; }
::selection { background: var(--accent); color: #08090d; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.skip-link {
    position: fixed; top: -60px; left: 16px; z-index: 200;
    background: var(--accent); color: #08090d; font-weight: 600;
    padding: .6rem 1.1rem; border-radius: 10px; transition: top .25s var(--ease);
}
.skip-link:focus { top: 16px; }

.shell { max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(1.25rem, 5vw, 3rem); width: 100%; }

/* ---------- ATMOSPHERE ---------- */
#scroll-progress {
    position: fixed; top: 0; left: 0; height: 2px; width: 0;
    background: linear-gradient(90deg, var(--accent-deep), var(--accent), var(--accent-soft));
    z-index: 120; box-shadow: 0 0 12px var(--glow); transition: width .1s linear;
}

.grain {
    position: fixed; inset: 0; z-index: 1; pointer-events: none; opacity: .04;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    mix-blend-mode: overlay;
}
[data-theme="light"] .grain { opacity: .06; mix-blend-mode: multiply; }

.ambient {
    position: fixed; border-radius: 50%; filter: blur(90px); z-index: 0;
    pointer-events: none; opacity: .5;
}
.ambient-a { top: -14%; right: -8%; width: 46vw; height: 46vw; max-width: 640px; max-height: 640px;
    background: radial-gradient(circle, var(--glow), transparent 68%); }
.ambient-b { bottom: 4%; left: -12%; width: 42vw; height: 42vw; max-width: 560px; max-height: 560px;
    background: radial-gradient(circle, rgba(90,120,255,.12), transparent 70%); opacity: .4; }
[data-theme="light"] .ambient-b { background: radial-gradient(circle, rgba(90,120,255,.14), transparent 70%); }

.cursor-glow {
    position: fixed; top: 0; left: 0; width: 460px; height: 460px; border-radius: 50%;
    background: radial-gradient(circle, var(--glow-soft), transparent 62%);
    pointer-events: none; z-index: 2; opacity: 0; transform: translate(-50%,-50%);
    transition: opacity .3s ease; will-change: transform; mix-blend-mode: screen;
}
[data-theme="light"] .cursor-glow { mix-blend-mode: multiply; }

/* ---------- TYPE HELPERS ---------- */
.section-tag {
    font-family: var(--font-mono); font-size: .72rem; font-weight: 500;
    letter-spacing: .22em; text-transform: uppercase; color: var(--fg-2);
    display: inline-flex; align-items: center; gap: .7rem; margin-bottom: 1.6rem;
}
.section-tag .st-idx { color: var(--accent); font-weight: 700; }
.section-title {
    font-family: var(--font-display); font-weight: 700;
    font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.02; letter-spacing: -.02em;
    max-width: 16ch;
}
.section-kicker { color: var(--fg-2); max-width: 52ch; margin-top: 1.1rem; font-size: 1.02rem; }
.section-head { margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.block { padding-block: clamp(5rem, 11vw, 9rem); position: relative; z-index: 3; }

.m-accent { color: var(--accent); }

/* ---------- BUTTONS ---------- */
.btn {
    display: inline-flex; align-items: center; gap: .6rem;
    font-family: var(--font-body); font-weight: 600; font-size: .95rem;
    padding: .85rem 1.4rem; border-radius: 12px; border: 1px solid transparent;
    transition: transform .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease), box-shadow .25s var(--ease);
    will-change: transform; white-space: nowrap;
}
.btn .ico { width: 1.05em; height: 1.05em; }
.btn-primary { background: var(--accent); color: #08090d; box-shadow: 0 10px 30px -10px var(--glow); }
.btn-primary:hover { background: var(--accent-soft); box-shadow: 0 16px 40px -12px var(--glow); }
.btn-ghost { background: var(--surface); color: var(--fg); border-color: var(--line); }
.btn-ghost:hover { background: var(--surface-2); border-color: var(--accent); color: var(--accent); }
.btn-text { padding: .85rem .4rem; color: var(--fg-2); }
.btn-text:hover { color: var(--accent); }
.btn-text .bt-arrow { transition: transform .25s var(--ease); }
.btn-text:hover .bt-arrow { transform: translateX(4px); }
.btn-lg { padding: 1.05rem 1.8rem; font-size: 1.02rem; }
.btn-mini { padding: .5rem 1rem; font-size: .85rem; background: var(--surface); border-color: var(--line); }
.btn-mini:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- HEADER / NAV ---------- */
#header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    transition: background .4s var(--ease), border-color .4s var(--ease), backdrop-filter .4s var(--ease);
    border-bottom: 1px solid transparent;
}
#header.scrolled {
    background: color-mix(in srgb, var(--bg) 72%, transparent);
    backdrop-filter: blur(16px) saturate(1.4); -webkit-backdrop-filter: blur(16px) saturate(1.4);
    border-bottom-color: var(--line-2);
}
.nav-inner {
    max-width: var(--maxw); margin: 0 auto; padding: 1rem clamp(1.25rem, 5vw, 3rem);
    display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
}
.brand { display: inline-flex; align-items: center; gap: .7rem; font-weight: 600; }
.brand-text { font-size: .98rem; letter-spacing: -.01em; }
.monogram {
    position: relative; display: inline-grid; place-items: center;
    width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 10px;
    background: var(--surface); font-family: var(--font-display); font-weight: 800;
    font-size: .92rem; letter-spacing: -.04em; color: var(--fg);
    transition: border-color .3s var(--ease), color .3s var(--ease), transform .4s var(--ease);
}
.brand:hover .monogram { border-color: var(--accent); color: var(--accent); transform: rotate(-4deg); }
.mono-dot { position: absolute; right: 5px; bottom: 5px; width: 4px; height: 4px; border-radius: 50%; background: var(--accent); }
.monogram-sm { width: 44px; height: 44px; font-size: 1.05rem; }

.nav-links { display: flex; gap: .35rem; }
.nav-links a {
    display: inline-flex; align-items: baseline; gap: .5rem;
    padding: .5rem .9rem; border-radius: 9px; font-size: .92rem; color: var(--fg-2);
    transition: color .25s var(--ease), background .25s var(--ease);
}
.nav-links a .nav-idx { font-family: var(--font-mono); font-size: .68rem; color: var(--fg-3); transition: color .25s var(--ease); }
.nav-links a:hover { color: var(--fg); background: var(--surface); }
.nav-links a.active { color: var(--accent); }
.nav-links a.active .nav-idx { color: var(--accent); }

.nav-actions { display: flex; align-items: center; gap: .6rem; }
.icon-btn {
    width: 40px; height: 40px; display: grid; place-items: center; border-radius: 10px;
    border: 1px solid var(--line); background: var(--surface); color: var(--fg-2);
    transition: border-color .25s var(--ease), color .25s var(--ease), background .25s var(--ease);
    position: relative;
}
.icon-btn:hover { border-color: var(--accent); color: var(--accent); }
.icon-btn .ico { width: 18px; height: 18px; position: absolute; transition: opacity .3s var(--ease), transform .4s var(--ease); }
.ico-sun { opacity: 0; transform: rotate(-40deg) scale(.6); }
.ico-moon { opacity: 1; transform: rotate(0) scale(1); }
[data-theme="light"] .ico-sun { opacity: 1; transform: rotate(0) scale(1); }
[data-theme="light"] .ico-moon { opacity: 0; transform: rotate(40deg) scale(.6); }

.hamburger { display: none; width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); position: relative; }
.hamburger span { position: absolute; left: 11px; right: 11px; height: 1.6px; background: var(--fg); border-radius: 2px; transition: transform .3s var(--ease), opacity .3s var(--ease); }
.hamburger span:nth-child(1) { top: 15px; }
.hamburger span:nth-child(2) { bottom: 15px; }
.hamburger.open span:nth-child(1) { top: 19px; transform: rotate(45deg); }
.hamburger.open span:nth-child(2) { bottom: 19px; transform: rotate(-45deg); }

/* ---------- MOBILE MENU ---------- */
.mobile-menu {
    position: fixed; inset: 0; z-index: 90; background: color-mix(in srgb, var(--bg) 96%, transparent);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    display: flex; flex-direction: column; justify-content: center; gap: .4rem;
    padding: clamp(1.5rem, 8vw, 4rem); opacity: 0; visibility: hidden;
    transform: translateY(-8px); transition: opacity .35s var(--ease), transform .35s var(--ease), visibility .35s;
}
.mobile-menu.open { opacity: 1; visibility: visible; transform: none; }
.mobile-link {
    display: flex; align-items: center; gap: 1rem; padding: 1rem 0;
    font-family: var(--font-display); font-weight: 600; font-size: clamp(1.8rem, 9vw, 2.8rem);
    border-bottom: 1px solid var(--line-2); color: var(--fg);
    transition: color .25s var(--ease), padding-left .3s var(--ease);
}
.mobile-link .m-idx { font-family: var(--font-mono); font-size: .8rem; color: var(--accent); font-weight: 500; }
.mobile-link .ico { width: 24px; height: 24px; margin-left: auto; color: var(--fg-3); }
.mobile-link:hover, .mobile-link:focus-visible { color: var(--accent); padding-left: .6rem; }
.mobile-foot { display: flex; gap: 1.6rem; margin-top: 2.4rem; font-family: var(--font-mono); font-size: .8rem; color: var(--fg-2); }
.mobile-foot a:hover { color: var(--accent); }

/* ---------- HERO ---------- */
#hero { min-height: 100svh; display: flex; flex-direction: column; justify-content: center; position: relative; z-index: 3; padding-top: 6rem; padding-bottom: 3rem; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(2rem, 6vw, 5rem); align-items: center; }

.eyebrow {
    display: inline-flex; align-items: center; gap: .6rem; font-family: var(--font-mono);
    font-size: .76rem; letter-spacing: .04em; color: var(--fg-2);
    padding: .5rem .9rem; border: 1px solid var(--line); border-radius: 100px; background: var(--surface);
    margin-bottom: 1.8rem;
}
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); position: relative; flex: none; }
.status-dot::after { content: ''; position: absolute; inset: -4px; border-radius: 50%; border: 1px solid var(--accent); animation: pulse 2.4s var(--ease) infinite; }
@keyframes pulse { 0% { transform: scale(.6); opacity: .9; } 100% { transform: scale(1.9); opacity: 0; } }

.hero-name { font-family: var(--font-display); font-weight: 800; line-height: .9; letter-spacing: -.035em; font-size: clamp(3.6rem, 12vw, 8.2rem); margin-bottom: 1.6rem; }
.hn-line { display: block; overflow: hidden; padding-bottom: .04em; }
.hn-word { display: inline-block; }
.hn-accent { color: transparent; background: linear-gradient(120deg, var(--accent-soft), var(--accent) 55%, var(--accent-deep)); -webkit-background-clip: text; background-clip: text; }

.hero-role { font-family: var(--font-mono); font-size: clamp(.9rem, 2vw, 1.05rem); color: var(--fg); letter-spacing: .01em; margin-bottom: 1.6rem; display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }
.hero-role .role-key { color: var(--fg-3); font-size: .7rem; letter-spacing: .2em; border: 1px solid var(--line); padding: .2rem .5rem; border-radius: 6px; }
.hero-role .role-sep { color: var(--accent); }
.hero-bio { color: var(--fg-2); font-size: clamp(1rem, 1.4vw, 1.12rem); max-width: 46ch; margin-bottom: 2.2rem; }
.hero-bio strong { color: var(--fg); font-weight: 600; }

.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .8rem; margin-bottom: 3rem; }

.hero-readout {
    display: grid; grid-template-columns: repeat(4, auto); gap: clamp(1.2rem, 4vw, 2.8rem);
    padding-top: 1.8rem; border-top: 1px solid var(--line-2); width: fit-content; max-width: 100%;
}
.hero-readout .ro dt { font-family: var(--font-mono); font-size: .66rem; letter-spacing: .16em; text-transform: uppercase; color: var(--fg-3); margin-bottom: .35rem; }
.hero-readout .ro dd { font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; color: var(--fg); }
.hero-readout .ro dd span { color: var(--accent); }

/* PORTRAIT */
.portrait { justify-self: center; perspective: 1200px; width: 100%; max-width: 380px; }
.portrait-stage { position: relative; transform-style: preserve-3d; transition: transform .5s var(--ease-out); }
.portrait-glow { position: absolute; inset: -18% -12% -22% -12%; background: radial-gradient(60% 60% at 60% 30%, var(--glow), transparent 70%); filter: blur(30px); z-index: 0; }
.portrait-frame {
    position: relative; z-index: 1; border-radius: 20px; overflow: hidden;
    border: 1px solid var(--line); background: var(--bg-1);
    box-shadow: var(--shadow-3); aspect-ratio: 1 / 1.08;
}
.portrait-frame img { width: 100%; height: 100%; object-fit: cover; object-position: center 18%; filter: saturate(1.02) contrast(1.02); transform: scale(1.02); }
.portrait-grade { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 45%, rgba(8,9,13,.06) 62%, rgba(8,9,13,.55) 100%), radial-gradient(120% 80% at 50% 0%, rgba(255,176,46,.10), transparent 55%); }
[data-theme="light"] .portrait-grade { background: linear-gradient(180deg, transparent 55%, rgba(30,25,15,.28) 100%), radial-gradient(120% 80% at 50% 0%, rgba(201,127,17,.10), transparent 55%); }
.pf-corner { position: absolute; width: 16px; height: 16px; border: 1.5px solid var(--accent); z-index: 3; opacity: .8; }
.pf-corner.tl { top: 12px; left: 12px; border-right: none; border-bottom: none; }
.pf-corner.tr { top: 12px; right: 12px; border-left: none; border-bottom: none; }
.pf-corner.bl { bottom: 12px; left: 12px; border-right: none; border-top: none; }
.pf-corner.br { bottom: 12px; right: 12px; border-left: none; border-top: none; }
.portrait-cap { position: absolute; left: 16px; bottom: 14px; z-index: 3; display: flex; flex-direction: column; }
.portrait-cap .pc-name { font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; color: #fff; letter-spacing: -.01em; }
.portrait-cap .pc-loc { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .12em; color: rgba(255,255,255,.7); text-transform: uppercase; }
.portrait-idx { position: absolute; top: -1.6rem; right: 0; font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; color: var(--fg-3); z-index: 3; }

.scroll-cue { position: absolute; bottom: 1.5rem; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: .7rem; font-family: var(--font-mono); font-size: .66rem; letter-spacing: .22em; text-transform: uppercase; color: var(--fg-3); }
.sc-rail { width: 1px; height: 42px; background: var(--line); position: relative; overflow: hidden; }
.sc-dot { position: absolute; top: 0; left: 0; width: 1px; height: 14px; background: var(--accent); animation: scrolldot 2s var(--ease) infinite; }
@keyframes scrolldot { 0% { transform: translateY(-14px); } 60%,100% { transform: translateY(42px); } }

/* ---------- TICKER ---------- */
.ticker { border-block: 1px solid var(--line-2); padding: 1.1rem 0; overflow: hidden; position: relative; z-index: 3; background: var(--surface); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.ticker-track { display: flex; gap: 3rem; width: max-content; animation: ticker 42s linear infinite; }
.ticker-item { font-family: var(--font-mono); font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; color: var(--fg-2); display: inline-flex; align-items: center; gap: 3rem; }
.ticker-item::after { content: '✦'; color: var(--accent); font-size: .7rem; }
@keyframes ticker { to { transform: translateX(-50%); } }
.ticker:hover .ticker-track { animation-play-state: paused; }

/* ---------- MANIFESTO ---------- */
.manifesto { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.9rem, 5.4vw, 4rem); line-height: 1.06; letter-spacing: -.02em; max-width: 20ch; margin-bottom: 1.6rem; }
.manifesto-sub { color: var(--fg-2); font-size: clamp(1.02rem, 1.6vw, 1.2rem); max-width: 60ch; margin-bottom: clamp(3rem, 6vw, 5rem); }
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line-2); border: 1px solid var(--line-2); border-radius: var(--radius); overflow: hidden; }
.pillar { background: var(--bg); padding: clamp(1.6rem, 3vw, 2.2rem); position: relative; transition: background .35s var(--ease); }
.pillar:hover { background: var(--bg-1); }
.pillar-idx { font-family: var(--font-mono); font-size: .7rem; color: var(--accent); letter-spacing: .1em; }
.pillar h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.5rem; margin: 1.6rem 0 .7rem; letter-spacing: -.01em; }
.pillar p { color: var(--fg-2); font-size: .95rem; }

/* ---------- FEATURED ---------- */
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.8rem, 4vw, 3.4rem); background: linear-gradient(160deg, var(--bg-1), var(--bg)); position: relative; overflow: hidden; box-shadow: var(--shadow-2); }
.feature::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--accent), transparent); opacity: .5; }
.feature-cat { font-family: var(--font-mono); font-size: .74rem; letter-spacing: .18em; text-transform: uppercase; color: var(--accent); margin-bottom: 1rem; }
.feature-name { font-family: var(--font-display); font-weight: 800; font-size: clamp(2.4rem, 5vw, 3.6rem); letter-spacing: -.03em; line-height: 1; }
.feature-tagline { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.1rem, 2vw, 1.4rem); color: var(--fg); margin: .8rem 0 1.4rem; }
.feature-desc { color: var(--fg-2); margin-bottom: 1.6rem; max-width: 52ch; }
.feature-points { display: flex; flex-direction: column; gap: .7rem; margin-bottom: 1.8rem; }
.feature-points li { position: relative; padding-left: 1.6rem; color: var(--fg-2); font-size: .94rem; }
.feature-points li::before { content: ''; position: absolute; left: 0; top: .5em; width: 8px; height: 8px; border: 1.5px solid var(--accent); border-radius: 2px; transform: rotate(45deg); }
.feature-actions { margin-top: .4rem; }

.chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.chip { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .03em; padding: .35rem .7rem; border: 1px solid var(--line); border-radius: 7px; color: var(--fg-2); background: var(--surface); }
.feature-chips { margin-bottom: 1.8rem; }

/* forensic console visual */
.feature-visual { display: grid; place-items: center; }
.fv-panel { width: 100%; max-width: 400px; border: 1px solid var(--line); border-radius: 14px; background: color-mix(in srgb, var(--bg) 60%, #000 6%); padding: 1.1rem; font-family: var(--font-mono); box-shadow: var(--shadow-2), inset 0 1px 0 rgba(255,255,255,.04); }
.fv-head { display: flex; justify-content: space-between; align-items: center; font-size: .66rem; letter-spacing: .08em; color: var(--fg-2); margin-bottom: .9rem; }
.fv-status { display: inline-flex; align-items: center; gap: .4rem; color: var(--accent); }
.fv-status i { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: blink 1.4s steps(2) infinite; }
@keyframes blink { 50% { opacity: .25; } }
.fv-scan { position: relative; aspect-ratio: 16/10; border-radius: 8px; overflow: hidden; background: repeating-linear-gradient(115deg, rgba(255,176,46,.05) 0 2px, transparent 2px 9px), radial-gradient(80% 120% at 50% 0%, rgba(90,120,255,.14), transparent 60%), var(--bg-2); border: 1px solid var(--line-2); }
.fv-face { position: absolute; left: 50%; top: 46%; transform: translate(-50%,-50%); width: 34%; aspect-ratio: 3/4; border-radius: 44% 44% 46% 46%/38% 38% 58% 58%; border: 1.5px dashed rgba(255,176,46,.55); }
.fv-bracket { position: absolute; width: 14px; height: 14px; border: 1.5px solid var(--accent); opacity: .7; }
.fv-bracket.tl { top: 8px; left: 8px; border-right: none; border-bottom: none; }
.fv-bracket.tr { top: 8px; right: 8px; border-left: none; border-bottom: none; }
.fv-bracket.bl { bottom: 8px; left: 8px; border-right: none; border-top: none; }
.fv-bracket.br { bottom: 8px; right: 8px; border-left: none; border-top: none; }
.fv-scanline { position: absolute; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, transparent, var(--accent), transparent); box-shadow: 0 0 12px var(--glow); animation: scanmove 3.4s var(--ease) infinite; }
@keyframes scanmove { 0%,100% { top: 6%; } 50% { top: 92%; } }
.fv-verdict { position: absolute; left: 8px; bottom: 8px; font-size: .58rem; letter-spacing: .06em; color: var(--fg); background: color-mix(in srgb, var(--bg) 70%, transparent); padding: .25rem .45rem; border-radius: 5px; border: 1px solid var(--line-2); }
.fv-verdict b { color: var(--accent); }
.fv-hash { font-size: .62rem; color: var(--fg-3); margin: .8rem 0 .7rem; letter-spacing: .04em; }
.fv-timeline { display: flex; gap: 5px; margin-bottom: .9rem; }
.fv-tick { flex: 1; height: 22px; border-radius: 3px; background: var(--surface-2); border: 1px solid var(--line-2); }
.fv-tick.on { background: linear-gradient(180deg, var(--accent), var(--accent-deep)); border-color: transparent; }
.fv-meta { display: flex; justify-content: space-between; font-size: .6rem; letter-spacing: .06em; color: var(--fg-2); }

/* ---------- WORK GRID ---------- */
.work-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.case {
    position: relative; display: flex; flex-direction: column; min-height: 260px;
    padding: 1.6rem; border: 1px solid var(--line); border-radius: var(--radius);
    background: var(--bg-1); overflow: hidden;
    transition: transform .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease);
}
.case::before { content: ''; position: absolute; inset: 0; border-radius: inherit; opacity: 0; transition: opacity .4s var(--ease); background: radial-gradient(340px circle at var(--mx,50%) var(--my,50%), var(--glow-soft), transparent 60%); pointer-events: none; }
.case:hover { transform: translateY(-5px); border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); box-shadow: var(--shadow-2); }
.case:hover::before { opacity: 1; }
.case-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 1.5rem; }
.case-num { font-family: var(--font-mono); font-size: .72rem; color: var(--accent); letter-spacing: .1em; }
.case-cat { font-family: var(--font-mono); font-size: .64rem; letter-spacing: .14em; text-transform: uppercase; color: var(--fg-3); border: 1px solid var(--line-2); padding: .28rem .55rem; border-radius: 100px; }
.case-name { font-family: var(--font-display); font-weight: 700; font-size: 1.5rem; letter-spacing: -.015em; margin-bottom: .55rem; display: flex; align-items: center; gap: .5rem; }
.case-name .case-arrow { width: 15px; height: 15px; opacity: 0; transform: translate(-4px,4px); transition: opacity .3s var(--ease), transform .3s var(--ease); color: var(--accent); }
.case:hover .case-name .case-arrow { opacity: 1; transform: none; }
.case-desc { color: var(--fg-2); font-size: .92rem; margin-bottom: 1.3rem; flex: 1; }
.case-foot { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-top: auto; }
.case-tech { display: flex; flex-wrap: wrap; gap: .35rem; }
.case-tech span { font-family: var(--font-mono); font-size: .66rem; color: var(--fg-3); }
.case-tech span:not(:last-child)::after { content: '·'; margin-left: .35rem; color: var(--line); }
.case-lang { display: inline-flex; align-items: center; gap: .4rem; font-family: var(--font-mono); font-size: .68rem; color: var(--fg-2); }
.case-lang .dot { width: 9px; height: 9px; border-radius: 50%; }
.case-stars { font-family: var(--font-mono); font-size: .68rem; color: var(--fg-3); display: inline-flex; align-items: center; gap: .3rem; }
.case-stars .ico { width: 12px; height: 12px; }

/* skeleton */
.sk { min-height: 260px; border: 1px solid var(--line-2); border-radius: var(--radius); padding: 1.6rem; background: var(--bg-1); position: relative; overflow: hidden; }
.sk::after { content: ''; position: absolute; inset: 0; transform: translateX(-100%); background: linear-gradient(90deg, transparent, var(--surface-2), transparent); animation: shimmer 1.5s infinite; }
@keyframes shimmer { 100% { transform: translateX(100%); } }
.sk-line { height: 12px; border-radius: 6px; background: var(--surface-2); margin-bottom: 1rem; }
.work-empty { grid-column: 1 / -1; text-align: center; color: var(--fg-2); padding: 3rem 0; }
.work-empty a { color: var(--accent); }

.view-all { margin-top: 2.6rem; display: flex; justify-content: center; }

/* live language-distribution telemetry (real GitHub data) */
.langbar { margin-top: 2.2rem; max-width: 660px; }
.langbar-head { display: flex; justify-content: space-between; align-items: center; font-family: var(--font-mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--fg-3); margin-bottom: .75rem; }
.langbar-live { display: inline-flex; align-items: center; gap: .4rem; color: var(--accent); }
.langbar-live i { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: blink 1.4s steps(2) infinite; }
.langbar-track { display: flex; gap: 2px; height: 8px; border-radius: 100px; overflow: hidden; background: var(--surface-2); }
.langbar-seg { height: 100%; transition: opacity .25s var(--ease); }
.langbar:hover .langbar-seg { opacity: .55; }
.langbar-seg:hover { opacity: 1; }
.langbar-legend { display: flex; flex-wrap: wrap; gap: .5rem 1.3rem; margin-top: .85rem; }
.langbar-key { font-family: var(--font-mono); font-size: .72rem; color: var(--fg-2); display: inline-flex; align-items: center; gap: .45rem; }
.langbar-key b { color: var(--fg); font-weight: 600; }
.langbar-key .dot { width: 8px; height: 8px; border-radius: 2px; flex: none; }

/* ---------- STACK ---------- */
.stack-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line-2); border: 1px solid var(--line-2); border-radius: var(--radius); overflow: hidden; }
.stack-cat { background: var(--bg); padding: clamp(1.5rem, 3vw, 2.2rem); transition: background .35s var(--ease); }
.stack-cat:hover { background: var(--bg-1); }
.stack-cat-head { display: flex; align-items: baseline; gap: .7rem; margin-bottom: 1.4rem; }
.stack-cat-head .sc-num { font-family: var(--font-mono); font-size: .7rem; color: var(--accent); }
.stack-cat-head h3 { font-family: var(--font-mono); font-size: .8rem; letter-spacing: .18em; text-transform: uppercase; color: var(--fg-2); font-weight: 500; }
.stack-items { display: flex; flex-wrap: wrap; gap: .55rem; }
.stack-item { display: inline-flex; align-items: center; gap: .5rem; padding: .5rem .85rem; border: 1px solid var(--line); border-radius: 9px; background: var(--surface); font-size: .9rem; font-weight: 500; transition: transform .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease); }
.stack-item:hover { transform: translateY(-2px); border-color: var(--accent); color: var(--accent); }
.stack-item .si-dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }

/* ---------- APPROACH ---------- */
.approach-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem; }
.approach-step { display: flex; gap: 1.4rem; padding: clamp(1.6rem, 3vw, 2.2rem); border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-1); position: relative; transition: border-color .35s var(--ease), transform .35s var(--ease); }
.approach-step:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); transform: translateY(-3px); }
.as-idx { font-family: var(--font-mono); font-size: 1.1rem; font-weight: 700; color: var(--accent); flex: none; }
.as-body h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.4rem; margin-bottom: .5rem; }
.as-body p { color: var(--fg-2); font-size: .95rem; }

/* ---------- CONTACT ---------- */
.contact-card { position: relative; text-align: center; padding: clamp(3rem, 8vw, 6rem) clamp(1.5rem, 5vw, 4rem); border: 1px solid var(--line); border-radius: calc(var(--radius) + 6px); background: linear-gradient(160deg, var(--bg-1), var(--bg)); overflow: hidden; box-shadow: var(--shadow-2); }
.cc-glow { position: absolute; top: -40%; left: 50%; transform: translateX(-50%); width: 120%; height: 100%; background: radial-gradient(50% 50% at 50% 50%, var(--glow), transparent 65%); pointer-events: none; }
.contact-card .section-tag { justify-content: center; }
.contact-title { font-family: var(--font-display); font-weight: 700; font-size: clamp(2.2rem, 6.5vw, 4.6rem); line-height: 1.02; letter-spacing: -.025em; margin-bottom: 1.4rem; position: relative; }
.contact-sub { color: var(--fg-2); max-width: 48ch; margin: 0 auto 2.6rem; font-size: 1.05rem; position: relative; }
.contact-actions { display: flex; flex-direction: column; align-items: center; gap: 1.6rem; position: relative; }
.contact-links { display: flex; gap: 1.8rem; }
.contact-links .cl { display: inline-flex; align-items: center; gap: .5rem; font-family: var(--font-mono); font-size: .85rem; color: var(--fg-2); padding: .4rem .2rem; border-bottom: 1px solid transparent; transition: color .25s var(--ease), border-color .25s var(--ease); }
.contact-links .cl .ico { width: 16px; height: 16px; }
.contact-links .cl:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* ---------- FOOTER ---------- */
footer { border-top: 1px solid var(--line-2); padding: clamp(2.5rem, 5vw, 3.5rem) 0; position: relative; z-index: 3; }
.footer-in { max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(1.25rem, 5vw, 3rem); display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 1.5rem 2rem; }
.footer-brand { display: flex; align-items: center; gap: .9rem; }
.footer-name { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; }
.footer-role { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .06em; color: var(--fg-2); }
.footer-avail { font-family: var(--font-mono); font-size: .74rem; letter-spacing: .06em; color: var(--fg-3); text-align: center; }
.footer-links { display: flex; gap: .6rem; justify-self: end; }
.footer-link { width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 10px; color: var(--fg-2); background: var(--surface); transition: color .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease); }
.footer-link:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-2px); }
.footer-link .ico { width: 18px; height: 18px; }
.footer-copy { grid-column: 1 / -1; font-family: var(--font-mono); font-size: .72rem; color: var(--fg-3); text-align: center; padding-top: 1.4rem; margin-top: .4rem; border-top: 1px solid var(--line-2); }

.ico { width: 20px; height: 20px; stroke: currentColor; stroke-width: 1.7; fill: none; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* ---------- REVEAL ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }
.reveal.visible { opacity: 1; transform: none; }

/* ═══════════ RESPONSIVE ═══════════ */
@media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1.1fr .9fr; gap: 2.5rem; }
    .work-grid { grid-template-columns: repeat(2, 1fr); }
    .pillars { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
    .nav-links { display: none; }
    .hamburger { display: block; }
    .btn-mini { display: none; }
    #hero { min-height: auto; padding-top: 8rem; }
    .hero-grid { grid-template-columns: 1fr; gap: 3rem; }
    .portrait { grid-row: 1; max-width: 300px; }
    .feature { grid-template-columns: 1fr; }
    .feature-visual { order: -1; }
    .stack-grid { grid-template-columns: 1fr; }
    .approach-list { grid-template-columns: 1fr; }
    .scroll-cue { display: none; }
}

@media (max-width: 560px) {
    .work-grid { grid-template-columns: 1fr; }
    .pillars { grid-template-columns: 1fr; }
    .hero-readout { grid-template-columns: repeat(2, 1fr); gap: 1.4rem 1.5rem; width: 100%; }
    .hero-actions { gap: .6rem; }
    .hero-actions .btn-primary, .hero-actions .btn-ghost { flex: 1 1 auto; justify-content: center; }
    .hero-actions .btn-text { flex-basis: 100%; }
    .footer-in { grid-template-columns: 1fr; text-align: center; justify-items: center; }
    .footer-links { justify-self: center; }
    .contact-links { flex-direction: column; gap: 1rem; }
    .portrait-idx { display: none; }
}

@media (max-width: 380px) {
    body { font-size: 15px; }
    .hero-readout { grid-template-columns: 1fr 1fr; }
}

/* ═══════════ REDUCED MOTION ═══════════ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
    .reveal { opacity: 1; transform: none; }
    .ticker-track { animation: none; }
    .status-dot::after, .sc-dot, .fv-scanline, .fv-status i { animation: none; }
    .cursor-glow { display: none; }
}

/* pointer-coarse: disable hover-dependent flourishes */
@media (hover: none) {
    .cursor-glow { display: none; }
    .case:hover { transform: none; }
}