/* ============================================================
   MANGO | shared design system
   index.html (About) · contact.html · socials.html
   Dark = default · Light = html[data-theme="light"]
   ============================================================ */
:root{
  color-scheme:dark;
  --bg:#0A0A0A; --surface:#131313; --surface-lowest:#0e0e0e;
  --surface-container:#201f1f; --surface-container-high:#2a2a2a; --surface-container-highest:#353534;
  --on-surface:#e5e2e1; --on-surface-variant:#c3c5d9;
  --outline:#8d90a2; --outline-variant:#434656;
  --primary:#0052ff; --primary-tint:#b7c4ff; --primary-dim:#0038b6; --on-primary:#ffffff;
  --glass:rgba(38,38,38,.4); --border-glass:rgba(255,255,255,.1);
  --solid:rgba(19,19,19,.75); --solid-soft:rgba(19,19,19,.5); --solid-solid:rgba(19,19,19,.95);
  --input-bg:rgba(0,0,0,.5); --overlay-dim:rgba(14,14,14,.55); --term-bg:rgba(14,14,14,.92);
  --line:rgba(255,255,255,.1); --line-soft:rgba(255,255,255,.05); --line-strong:rgba(255,255,255,.3);
  --code-line:rgba(255,255,255,.12); --grid-line:rgba(255,255,255,.05);
  --dot:rgba(255,255,255,.1); --chip-bg:rgba(200,198,197,.2);
  --font-sans:'Geist',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,'Cascadia Code',Consolas,monospace;
  --r-sm:2px; --r-md:4px; --r-lg:6px; --r-xl:8px; --r-full:12px;
  --container:1440px; --margin:24px; --gutter:16px; --gap:20px;
  --ease:cubic-bezier(.16,1,.3,1);
}
html[data-theme="light"]{
  color-scheme:light;
  --bg:#f4f4f6; --surface:#ffffff; --surface-lowest:#ececef;
  --surface-container:#ececed; --surface-container-high:#e0e0e5; --surface-container-highest:#d4d4da;
  --on-surface:#17171c; --on-surface-variant:#4d4d5c;
  --outline:#6b6b78; --outline-variant:#b6b6c2;
  --primary:#0052ff; --primary-tint:#0038b6; --primary-dim:#c9d3ff; --on-primary:#ffffff;
  --glass:rgba(255,255,255,.6); --border-glass:rgba(0,0,0,.09);
  --solid:rgba(255,255,255,.85); --solid-soft:rgba(255,255,255,.65); --solid-solid:rgba(255,255,255,.98);
  --input-bg:rgba(255,255,255,.75); --overlay-dim:rgba(0,0,0,.3); --term-bg:rgba(255,255,255,.97);
  --line:rgba(0,0,0,.1); --line-soft:rgba(0,0,0,.05); --line-strong:rgba(0,0,0,.22);
  --code-line:rgba(0,0,0,.12); --grid-line:rgba(0,0,0,.05);
  --dot:rgba(0,0,0,.14); --chip-bg:rgba(0,0,0,.06);
}
*{box-sizing:border-box}
img{max-width:100%;height:auto;display:block}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--on-surface);
  font-family:var(--font-sans);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
  background-image:radial-gradient(var(--dot) 1px,transparent 1px);
  background-size:24px 24px;
}
::selection{background:var(--primary);color:#fff}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:2px}
.wrap{max-width:var(--container);margin:0 auto;padding:0 var(--margin)}

/* ============ TYPE ============ */
.display{font-family:var(--font-sans);font-weight:700;letter-spacing:-.04em;line-height:1.1;font-size:clamp(44px,6vw,68px);margin:0;overflow-wrap:anywhere}
.h2{font-family:var(--font-sans);font-weight:700;letter-spacing:-.03em;line-height:1.1;font-size:clamp(28px,3.6vw,40px);margin:0;display:flex;align-items:center;gap:16px;flex-wrap:wrap;overflow-wrap:anywhere}
.h2 .idx{font-family:var(--font-mono);font-size:18px;color:var(--primary);font-weight:500;letter-spacing:0}
.h3{font-family:var(--font-sans);font-weight:600;letter-spacing:-.02em;font-size:22px;margin:0}
.mono{font-family:var(--font-mono);font-weight:500;font-size:14px;line-height:1.5}
.label{font-family:var(--font-mono);font-weight:700;font-size:11px;letter-spacing:.1em;line-height:1.2;text-transform:uppercase}
.muted{color:var(--on-surface-variant)}
.primary{color:var(--primary)}
.tint{color:var(--primary-tint)}

/* ============ CARDS ============ */
.glass{
  background:var(--glass);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border:.5px solid var(--border-glass);border-radius:var(--r-xl);position:relative;
  transition:border-color .3s ease,box-shadow .3s ease,transform .3s ease;
}
.glass:hover{border-color:var(--line-strong);box-shadow:inset 0 0 10px rgba(0,82,255,.1)}
.terminal-dot{width:4px;height:4px;border-radius:50%;background:currentColor;position:absolute;top:12px;right:12px}
.chip{display:inline-flex;align-items:center;gap:8px;background:var(--solid-soft);border:1px solid var(--line);border-radius:var(--r-sm);padding:8px 12px;font-family:var(--font-mono);font-size:13px;font-weight:500;color:var(--on-surface)}
.tag{padding:4px 12px;font-size:11px;font-family:var(--font-mono);border:1px solid var(--line);border-radius:999px;color:var(--on-surface-variant);white-space:nowrap}
.tech-line{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);margin:0}
.data-grid{background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);background-size:20px 20px}

/* ============ BUTTONS ============ */
.btn{display:inline-flex;align-items:center;gap:10px;border:0;cursor:pointer;font-family:var(--font-mono);font-weight:700;font-size:12px;letter-spacing:.08em;padding:12px 20px;border-radius:var(--r-sm);transition:all .2s ease;min-height:44px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{box-shadow:0 0 12px rgba(0,82,255,.8);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--outline);border:.5px solid rgba(141,144,162,.5)}
.btn-ghost:hover{color:var(--on-surface);border-color:var(--line-strong)}
.btn:active{transform:translateY(0) scale(.98)}

/* ============ THEME TOGGLE ============ */
.theme-btn{display:inline-flex;align-items:center;justify-content:center;background:none;border:0;color:var(--on-surface-variant);cursor:pointer;padding:8px;border-radius:var(--r-sm);min-width:36px;min-height:36px;transition:color .2s,transform .2s}
.theme-btn:hover{color:var(--primary);transform:rotate(12deg)}
.theme-btn svg{width:17px;height:17px}
.theme-btn .ic-sun{display:block}
.theme-btn .ic-moon{display:none}
html[data-theme="light"] .theme-btn .ic-sun{display:none}
html[data-theme="light"] .theme-btn .ic-moon{display:block}

/* ============ NAV ============ */
nav{position:fixed;top:16px;left:0;right:0;z-index:60;display:flex;justify-content:center;padding:0 16px}
.nav-pill{display:flex;align-items:center;gap:16px;padding:8px 14px;border-radius:999px;background:var(--solid);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:.5px solid var(--border-glass);box-shadow:inset 0 0 10px rgba(0,82,255,.05);max-width:100%}
.brand{font-family:var(--font-mono);font-weight:700;font-size:13px;letter-spacing:-.02em;color:var(--primary);padding-right:16px;border-right:1px solid var(--line);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.nav-links{display:none;align-items:center;gap:22px}
.nav-links a{font-family:var(--font-mono);font-weight:700;font-size:11px;letter-spacing:.1em;color:var(--on-surface-variant);transition:color .3s}
.nav-links a:hover,.nav-links a.active{color:var(--primary)}
.nav-actions{display:flex;align-items:center;gap:10px;padding-left:16px;border-left:1px solid var(--line)}
.nav-term{padding:8px 14px;border-radius:var(--r-sm);background:rgba(0,82,255,.1);border:1px solid rgba(0,82,255,.3);color:var(--primary);font-family:var(--font-mono);font-weight:700;font-size:11px;letter-spacing:.1em;cursor:pointer;transition:background .2s;min-height:36px}
.nav-term:hover{background:rgba(0,82,255,.2)}
.nav-burger{display:flex;background:none;border:0;color:var(--on-surface-variant);cursor:pointer;padding:8px;border-radius:var(--r-sm)}
.nav-mobile{display:none;flex-direction:column;position:fixed;top:72px;left:16px;right:16px;z-index:59;border-radius:var(--r-xl);overflow:hidden}
.nav-mobile.open{display:flex}
.nav-mobile a{padding:14px 20px;font-family:var(--font-mono);font-weight:700;font-size:12px;letter-spacing:.1em;color:var(--on-surface-variant);background:var(--solid-solid);border-bottom:.5px solid var(--border-glass)}
.nav-mobile a:hover{color:var(--primary)}
@media(min-width:900px){.nav-links{display:flex}.nav-burger{display:none}}

/* ============ REVEAL ============ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease);transition-delay:var(--d,0ms)}
.reveal.active{opacity:1;transform:none}

/* ============ CURSOR PULSE ============ */
.cursor-pulse{display:inline-block;width:9px;height:1.05em;background:var(--primary);vertical-align:-.15em;margin-left:6px;animation:tpulse 1.1s steps(2,start) infinite}
@keyframes tpulse{0%,100%{opacity:1}50%{opacity:0}}

/* ============ HERO (About) ============ */
.hero{min-height:88vh;display:flex;align-items:center;padding:clamp(120px,16vh,150px) 0 clamp(60px,8vh,90px)}
.hero-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center}
@media(min-width:900px){.hero-grid{grid-template-columns:1.5fr 1fr}}
.hero .kicker{color:var(--primary);letter-spacing:.18em;margin:0 0 20px}
.hero .roles{font-family:var(--font-mono);font-size:clamp(15px,2vw,19px);text-transform:uppercase;letter-spacing:.08em;color:var(--on-surface-variant);border-left:2px solid rgba(0,82,255,.5);padding:6px 0 6px 16px;margin:28px 0 0;min-height:2.5em}
.hero .bio{margin:26px 0 0;max-width:56ch}
.hero .chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero .ctas{display:flex;flex-wrap:wrap;gap:14px;margin-top:40px}
.id-card{padding:32px 28px;overflow:visible}
.id-card .head{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
.avatar-box{width:64px;height:64px;border-radius:var(--r-md);background:rgba(0,82,255,.12);border:1px solid rgba(0,82,255,.35);display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-weight:700;font-size:22px;color:var(--primary);overflow:hidden}
.avatar-box img{width:100%;height:100%;object-fit:cover;object-position:50% 20%;display:block}
.id-rows{display:flex;flex-direction:column;gap:0}
.id-row{display:flex;justify-content:space-between;align-items:center;padding:13px 0;border-bottom:.5px solid var(--line-soft);font-size:13px}
.id-row:last-child{border-bottom:0}
.id-row .k{color:var(--on-surface-variant);font-size:11px;letter-spacing:.08em}
.id-row .v{color:var(--primary-tint);text-align:right}

/* ============ SECTIONS ============ */
section.wrap{padding:clamp(80px,12vw,128px) var(--margin);scroll-margin-top:100px}
.section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:clamp(28px,5vw,52px);gap:12px 16px;flex-wrap:wrap}
.stack-grid{display:grid;grid-template-columns:1fr;gap:var(--gap)}
@media(min-width:640px){.stack-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1100px){.stack-grid{grid-template-columns:repeat(4,1fr)}}
.stack-card{padding:30px 26px}
.stack-card .ic{width:40px;height:40px;border-radius:var(--r-md);background:rgba(0,82,255,.1);border:1px solid rgba(0,82,255,.2);display:flex;align-items:center;justify-content:center;margin-bottom:24px;color:var(--primary)}
.stack-card ul{list-style:none;margin:22px 0 0;padding:0;font-family:var(--font-mono);font-size:13px;color:var(--on-surface-variant)}
.stack-card li{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:.5px solid var(--line-soft)}
.stack-card li:last-child{border-bottom:0}
.stack-card li .lvl{color:var(--primary);white-space:nowrap}
.stack-card .proof{display:flex;align-items:center;gap:8px;margin-top:18px;padding-top:14px;border-top:1px dashed var(--line-strong);font-family:var(--font-mono);font-size:12px;color:var(--primary)}
.stack-card .proof svg{flex:0 0 auto}
.stat-strip{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap);margin-bottom:var(--gap)}
@media(min-width:900px){.stat-strip{grid-template-columns:repeat(4,1fr)}}
.stat-card{padding:20px 22px;text-align:left}
.stat-card .stat-num{font-family:var(--font-sans);font-size:clamp(30px,4vw,42px);font-weight:700;line-height:1;color:var(--primary);letter-spacing:-.02em}
.stat-card .stat-label{margin-top:8px;font-size:11px;letter-spacing:.12em;font-weight:600}
.tst-scroll{position:relative;overflow-x:auto;scroll-snap-type:x mandatory;display:flex;gap:var(--gap);padding:4px 2px;scroll-behavior:smooth;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.tst-scroll::-webkit-scrollbar{display:none}
.tst-card{flex:0 0 auto;scroll-snap-align:start;width:100%}
@media(min-width:640px){.tst-card{width:calc(50% - var(--gap)/2)}}
@media(min-width:1000px){.tst-card{width:calc(33.333% - var(--gap)*2/3)}}
.tst-card{padding:24px 24px;display:flex;flex-direction:column;gap:14px}
.tst-prod{display:inline-flex;align-items:center;align-self:flex-start;gap:8px;padding:4px 12px;border-radius:999px;border:1px solid var(--line);background:var(--solid-soft);color:var(--primary-tint);font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;font-weight:700}
.tst-card blockquote{margin:0;font-size:14px;line-height:1.7;color:var(--on-surface);font-style:italic;flex:1}
.tst-card blockquote::before{content:"\201C";color:var(--primary);font-size:22px;line-height:1}
.tst-who{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line-soft);padding-top:14px}
.tst-ava{width:38px;height:38px;border-radius:50%;background:rgba(0,82,255,.14);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-weight:700;font-size:13px;color:var(--primary);flex:0 0 auto}
.tst-controls{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:20px}
.tst-btn{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:var(--solid-soft);color:var(--on-surface-variant);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:border-color .2s,color .2s}
.tst-btn:hover{color:var(--primary);border-color:var(--primary)}
.tst-dots{display:flex;gap:6px;align-items:center}
.tst-dot{width:8px;height:8px;border-radius:999px;background:var(--line-strong);border:0;cursor:pointer;padding:0;transition:width .25s,background .25s}
.tst-dot.active{background:var(--primary);width:20px}
.collab-grid{display:grid;grid-template-columns:1fr;gap:var(--gap)}
@media(min-width:760px){.collab-grid{grid-template-columns:repeat(3,1fr);align-items:stretch}}
.collab-col{padding:34px 30px;display:flex;flex-direction:column;gap:18px;min-height:340px}
.collab-col .co-tag{font-size:11px;letter-spacing:.16em;font-weight:700;color:var(--primary)}
.collab-col ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:14px}
.collab-col li{display:flex;gap:12px;font-size:14px;line-height:1.7;color:var(--on-surface)}
.collab-col li>.tk{color:var(--primary);flex:0 0 auto;font-family:var(--font-mono);font-weight:700}
.collab-cta{margin-top:auto;display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--primary);text-decoration:none;padding-top:18px;border-top:1px dashed var(--line-strong)}
.tool-grid{display:grid;grid-template-columns:1fr;gap:var(--gap)}
@media(min-width:640px){.tool-grid{grid-template-columns:repeat(2,1fr)}}
.tool-card{padding:24px 22px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px}
.tool-logo{width:76px;height:76px;border-radius:var(--r-md);background:var(--surface);border:1px solid var(--line-soft);display:flex;align-items:center;justify-content:center;margin-bottom:4px}
.tool-logo img{max-width:68%;max-height:68%;object-fit:contain}
.tool-card p{margin:0;font-size:13px;color:var(--on-surface-variant);line-height:1.6}
.tl{padding:clamp(20px,4vw,36px);display:flex;flex-direction:column;gap:clamp(32px,6vh,56px)}
.tl-item{position:relative;padding-left:clamp(28px,5vw,44px);border-left:2px solid var(--code-line)}
.tl-item.current{border-left-color:var(--primary)}
.tl-dot{position:absolute;left:-9px;top:4px;width:16px;height:16px;border-radius:50%;background:var(--surface);border:2px solid var(--line-strong)}
.tl-item.current .tl-dot{border-color:var(--primary);box-shadow:0 0 12px rgba(0,82,255,.8)}
.tl-head{display:flex;flex-direction:column;gap:10px;margin-bottom:16px}
.tl-head .who{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px}
.tl-when{width:fit-content}
.tl-item p{margin:0 0 18px;max-width:64ch;color:var(--on-surface-variant)}
.prj-grid{display:grid;grid-template-columns:1fr;gap:var(--gap)}
@media(min-width:800px){.prj-grid{grid-template-columns:repeat(2,1fr)}}
.prj-card{padding:clamp(22px,4vw,32px) clamp(18px,4vw,30px);display:flex;flex-direction:column;gap:18px;border-top:1px solid var(--line)}
.prj-card:hover{transform:translateY(-2px)}
.prj-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;flex-wrap:wrap}
.prj-top h3{transition:color .3s;overflow-wrap:anywhere;word-break:break-word}
.prj-card:hover h3{color:var(--primary)}
.prj-desc{color:var(--on-surface-variant);margin:0;min-height:clamp(3.5em,12vw,5.2em);overflow-wrap:anywhere;word-break:break-word}
.prj-foot{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.prj-tech{color:var(--on-surface-variant);font-size:13px}
.prj-status{color:var(--primary);font-size:12px;letter-spacing:.06em}

/* ============ BEST PROJECTS (horizontal feature cards) ============ */
.bp-grid{display:flex;flex-direction:column;gap:var(--gap)}
.bp-card{display:flex;flex-direction:column;gap:0;padding:0;text-align:left;overflow:hidden}
.bp-banner-link{display:block;line-height:0;border-bottom:.5px solid var(--line-soft);flex:0 0 auto}
.bp-banner{width:100%;height:clamp(150px,26vw,210px);object-fit:cover;object-position:top;display:block;background:var(--surface);transition:transform .5s var(--ease)}
.bp-card:hover .bp-banner{transform:scale(1.04)}
.bp-body{display:flex;flex-direction:column;align-items:flex-start;gap:16px;padding:clamp(18px,3vw,26px);text-align:left;flex-grow:1}
.bp-card .bp-logo{width:52px;height:52px;flex:0 0 auto;border-radius:var(--r-md);background:var(--surface);border:1px solid var(--line-soft);display:flex;align-items:center;justify-content:center}
.bp-card .bp-logo img{max-width:80%;max-height:80%;object-fit:contain}
.bp-card h3{overflow-wrap:anywhere;word-break:break-word;margin:0}
.bp-card p{margin:0;font-size:14px;color:var(--on-surface-variant);line-height:1.6;overflow-wrap:anywhere;word-break:break-word;flex-grow:1}
.bp-card a.bp-link{font-family:var(--font-mono);font-weight:700;font-size:11px;letter-spacing:.1em;color:var(--primary);display:inline-flex;align-items:center;gap:6px;padding-top:4px;transition:gap .2s}
.bp-card a.bp-link:hover{gap:12px}
@media(min-width:760px){.bp-body{flex-direction:row;align-items:center}.bp-card p{flex-grow:1}}
.bp-card:hover{border-color:var(--line-strong)}
.vis-card{padding:clamp(28px,5vw,48px) clamp(20px,5vw,40px);background:var(--glass);min-height:clamp(420px,58vh,560px);display:flex;flex-direction:column;justify-content:center}
.vis-card .glow{position:absolute;width:260px;height:260px;border-radius:50%;background:rgba(0,82,255,.06);filter:blur(60px);pointer-events:none}
.vis-text{font-size:clamp(17px,2vw,21px);line-height:1.7;color:var(--on-surface-variant);max-width:70ch;margin:0 auto 40px;position:relative;z-index:1;text-align:center}
.vis-text b{color:var(--on-surface);font-weight:600}
.phase-row{display:flex;flex-direction:column;gap:10px;position:relative;z-index:1}
.phase{flex:1;text-align:center;padding:18px 14px;border-radius:var(--r-lg);background:var(--glass);border:.5px solid var(--border-glass);font-family:var(--font-mono);font-size:14px;color:var(--on-surface);transition:background .3s}
.phase:hover{background:var(--solid-soft)}
.phase span{display:block;color:var(--primary);opacity:.85;font-size:11px;letter-spacing:.1em;margin-bottom:6px;font-weight:700}
.phase.target{background:rgba(0,82,255,.08);border-color:rgba(0,82,255,.4);color:var(--primary);box-shadow:inset 0 0 15px rgba(0,82,255,.15);transform:scale(1.03)}
.phase.target span{color:var(--primary);opacity:1}
.phase-connector{display:none}
@media(min-width:760px){
  .tl-head{flex-direction:row;justify-content:space-between;align-items:baseline}
  .phase-row{flex-direction:row;align-items:center}
  .phase-connector{display:block;height:1px;flex:0 0 24px;background:var(--outline-variant)}
}
@media(max-width:759px){.phase-connector{display:block;width:1px;height:10px;margin:0 auto;background:var(--outline-variant)}}

/* ============ ACADEMICS / CERTIFICATIONS ============ */
.cert-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.cert-scroll{display:flex;flex-direction:column;gap:12px;max-height:clamp(400px,58vh,560px);overflow-y:auto;padding-right:8px;scrollbar-width:thin;scrollbar-color:rgba(0,82,255,.5) transparent}
.cert-scroll::-webkit-scrollbar{width:6px}
.cert-scroll::-webkit-scrollbar-thumb{background:rgba(0,82,255,.5);border-radius:99px}
.cert-scroll::-webkit-scrollbar-track{background:transparent}
.cert-box{
  display:flex;flex-direction:column;gap:8px;padding:16px 18px;flex:0 0 auto;
  background:var(--glass);border:.5px solid var(--border-glass);border-radius:var(--r-lg);
  transition:border-color .3s ease,transform .3s ease,box-shadow .3s ease;
}
.cert-box:hover{border-color:var(--line-strong);transform:translateX(2px);box-shadow:inset 0 0 12px rgba(0,82,255,.08)}
.cert-issuer{font-family:var(--font-mono);font-weight:700;font-size:11px;letter-spacing:.1em;text-transform:uppercase}
.cert-title{margin:0;font-family:var(--font-sans);font-size:16px;font-weight:600;letter-spacing:-.01em;line-height:1.35;color:var(--on-surface)}
.cert-meta{display:flex;flex-wrap:wrap;gap:6px}
.cert-meta .tag{font-size:10px;padding:3px 10px}
.cert-date{margin-top:4px;font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;color:var(--outline);font-weight:700}

/* ============ CONTACT ============ */
.page-head{padding:clamp(110px,16vh,150px) 0 0;text-align:left}
.page-head h1{font-family:var(--font-sans);font-weight:700;letter-spacing:-.03em;font-size:clamp(32px,4.5vw,52px);color:var(--primary);margin:0 0 14px}
.page-head p{max-width:62ch;margin:0}
.page-head .page-head-desc{max-width:58ch;margin-left:auto;margin-right:auto;text-align:center}
@media(min-width:900px){.page-head .page-head-desc{max-width:110ch}}
.contact-grid{display:grid;grid-template-columns:1fr;gap:var(--gap);padding:56px 0 100px;max-width:960px;margin:0 auto;width:100%}
.contact-card{padding:clamp(26px,4vw,40px);display:flex;flex-direction:column}
.contact-card .f-form{display:flex;flex-direction:column;gap:18px}
.contact-card input.f-input{min-height:52px;font-size:15px;padding:14px 16px}
.contact-card textarea.f-input{min-height:200px;resize:vertical;font-size:15px;padding:14px 16px}
.contact-card .f-field label{font-size:14px}
.contact-card .btn[type=submit]{justify-content:center;min-height:56px;font-size:13px;margin-top:6px}
.contact-card .card-label{font-family:var(--font-mono);font-weight:700;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--on-surface-variant);margin:0 0 18px}
.term-prompt{font-family:var(--font-mono);font-size:13px;color:var(--outline);margin:0 0 18px}
.f-form{display:flex;flex-direction:column;gap:16px;flex-grow:1}
.f-field label{display:block;font-family:var(--font-mono);font-size:13px;color:var(--primary-tint);margin-bottom:8px}
.f-field label .cur{display:inline-block;width:7px;height:13px;background:var(--primary);vertical-align:-2px;margin-left:2px;animation:tpulse 1.1s steps(2,start) infinite}
.f-input{width:100%;background:var(--input-bg);border:1px solid var(--outline-variant);color:var(--primary-tint);font-family:var(--font-mono);font-size:14px;padding:12px 14px;border-radius:var(--r-sm);min-height:44px;transition:border-color .2s,box-shadow .2s}
.f-input::placeholder{color:var(--outline)}
.f-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 5px rgba(0,82,255,.5)}
textarea.f-input{resize:vertical;min-height:130px}
.f-form .btn{align-self:flex-end;margin-top:4px}
.form-status{font-family:var(--font-mono);font-size:12px;color:var(--primary);min-height:1.4em;margin:12px 0 0}
.gcal-frame{border:0;width:100%;height:clamp(500px,72vh,600px);border-radius:var(--r-md);background:#fff}
[data-theme="dark"] .gcal-frame{filter:invert(.92) hue-rotate(180deg) contrast(.95) saturate(.9)}
.node{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px;border-radius:var(--r-sm);background:var(--solid-soft);border:1px solid var(--outline-variant);color:var(--on-surface-variant);cursor:pointer;transition:border-color .2s,color .2s;min-height:44px;font-family:var(--font-mono);font-size:13px;width:100%;text-align:left}
.node:hover{border-color:rgba(0,82,255,.5);color:var(--on-surface)}
.node .nname{display:flex;align-items:center;gap:12px}
.node .narr{transition:transform .2s}
.node:hover .narr{transform:translateX(3px)}
.comm-card{padding:28px;gap:12px}
.comm-card .card-label{margin-bottom:20px}
.comm-card .node{padding:16px 18px;min-height:58px;font-size:14px}
.comm-card .node .nname svg{width:20px;height:20px}
.booking-overlay{position:fixed;inset:0;z-index:60;display:flex;align-items:center;justify-content:center;padding:24px;background:rgba(8,9,12,.55);backdrop-filter:blur(6px);opacity:0;visibility:hidden;transition:opacity .35s ease,visibility .35s ease}
.booking-overlay.open{opacity:1;visibility:visible}
.booking-modal{position:relative;width:100%;max-width:720px;max-height:90vh;overflow:auto;padding:28px;transform:translateY(12px) scale(.98);transition:transform .35s var(--ease);background:var(--solid-solid);border:1px solid rgba(0,82,255,.5);border-radius:var(--r-lg);box-shadow:0 18px 60px rgba(0,0,0,.55),0 0 0 1px rgba(0,82,255,.12),inset 0 0 40px rgba(0,82,255,.06)}
.booking-overlay.open .booking-modal{transform:translateY(0) scale(1)}
.booking-close{position:absolute;top:14px;right:14px;width:34px;height:34px;border-radius:8px;border:1px solid var(--outline-variant);background:var(--solid-soft);color:var(--on-surface-variant);cursor:pointer;font-size:16px;line-height:1}
.booking-close:hover{border-color:var(--primary);color:var(--on-surface)}
#copyEmailBtn .nname{color:inherit}

/* ============ FOOTER ============ */
footer.wrap{padding-top:24px;padding-bottom:40px;display:flex;flex-direction:column;gap:20px;align-items:center;border-top:1px solid var(--line-soft);margin-top:80px}
.foot-links{display:flex;flex-wrap:wrap;gap:22px;justify-content:center}
.foot-links a{transition:color .3s}

/* ============ SOCIALS (link-in-bio, mobile-first) ============ */
body.socials{min-height:100vh;display:flex;flex-direction:column}
.soc-top{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;justify-content:space-between;align-items:center;padding:14px var(--gutter);background:var(--solid);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:.5px solid var(--line-soft)}
.soc-top .soc-brand{display:flex;align-items:center;gap:10px}
.soc-avatar{width:34px;height:34px;border-radius:50%;border:1px solid var(--line-strong);display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-weight:700;font-size:12px;color:var(--primary);background:rgba(0,82,255,.1);overflow:hidden}
.soc-avatar img{width:100%;height:100%;object-fit:cover;object-position:50% 20%;display:block}
.soc-share{background:none;border:0;color:var(--on-surface-variant);cursor:pointer;padding:8px;border-radius:var(--r-sm);min-width:40px;min-height:40px;display:flex;align-items:center;justify-content:center}
.soc-share:hover{color:var(--primary)}
.soc-main{padding:88px var(--gutter) 32px;width:100%;max-width:620px;margin:0 auto;display:flex;flex-direction:column;gap:var(--gap);flex-grow:1}
.profile-pod{padding:28px 20px;display:flex;flex-direction:column;align-items:center;text-align:center;overflow:hidden}
.profile-pod .big-avatar{width:96px;height:96px;border-radius:50%;border:2px solid var(--line);background:rgba(0,82,255,.14);display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-weight:700;font-size:30px;color:var(--primary);box-shadow:0 0 24px rgba(0,82,255,.18);overflow:hidden}
.profile-pod .big-avatar img{width:100%;height:100%;object-fit:cover;object-position:50% 20%;display:block;border-radius:50%}
.profile-pod h1{font-family:var(--font-mono);font-size:17px;letter-spacing:.03em;margin:16px 0 10px;font-weight:700}
.profile-pod .role-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}
.role-chip{font-family:var(--font-mono);font-weight:700;font-size:10px;letter-spacing:.1em;background:var(--chip-bg);color:var(--on-surface);padding:4px 10px;border-radius:var(--r-sm);border:1px solid var(--line-soft)}
.linkpod{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 18px;border-radius:var(--r-xl);min-height:56px;position:relative;overflow:hidden}
.linkpod .lp-idx{font-family:var(--font-mono);font-size:12px;color:var(--outline);transition:color .3s}
.linkpod .lp-name{font-family:var(--font-mono);font-size:14px;color:var(--on-surface);letter-spacing:.04em;flex:1;text-align:left}
.linkpod .lp-ic{color:var(--on-surface-variant);transition:color .3s,transform .2s;display:flex}
.linkpod::before{content:'';position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--primary);opacity:0;transition:opacity .2s}
.linkpod:hover::before{opacity:1}
.linkpod:hover .lp-ic{color:var(--primary);transform:translateX(2px)}
.linkpod:hover .lp-idx{color:var(--primary)}
.soc-foot{padding:24px var(--gutter) 36px;display:flex;flex-direction:column;align-items:center;gap:14px;border-top:1px solid var(--line-soft);max-width:620px;margin:0 auto;width:100%}
.soc-foot-links{display:flex;gap:28px}
.soc-foot-links a{font-family:var(--font-mono);font-size:13px;color:var(--on-surface-variant);text-decoration:underline;text-underline-offset:4px;transition:color .3s}
.soc-foot-links a:hover{color:var(--primary)}
.soc-ver{font-family:var(--font-mono);font-size:12px;color:var(--outline);opacity:.5}

/* ============ TERMINAL PAGE (chat with agent) ============ */
.chat-win{padding:0;overflow:hidden;display:flex;flex-direction:column;min-height:60vh;max-height:72vh}
.chat-head{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;border-bottom:.5px solid var(--line-soft);background:var(--solid-soft)}
.chat-out{padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:12px;flex-grow:1;scrollbar-width:thin;scrollbar-color:rgba(0,82,255,.4) transparent}
.msg{max-width:84%;padding:11px 15px;border-radius:var(--r-lg);font-family:var(--font-mono);font-size:13px;line-height:1.6;white-space:pre-wrap;word-break:break-word;animation:slideUpFade .3s var(--ease)}
.msg.user{align-self:flex-end;background:rgba(0,82,255,.16);border:.5px solid rgba(0,82,255,.35);color:var(--on-surface)}
.msg.ai{align-self:flex-start;background:var(--glass);border:.5px solid var(--border-glass);color:var(--on-surface)}
.msg.loading{color:var(--outline);animation:none}
.msg .ok{color:var(--primary)}
.msg .dim{color:var(--outline)}
.chat-in{display:flex;gap:10px;padding:14px 16px;border-top:.5px solid var(--line-soft);background:var(--solid-soft)}
.chat-in input{flex:1;min-width:0;background:var(--input-bg);border:1px solid var(--outline-variant);color:var(--primary-tint);font-family:var(--font-mono);font-size:14px;padding:12px 14px;border-radius:var(--r-sm);min-height:44px;transition:border-color .2s,box-shadow .2s}
.chat-in input::placeholder{color:var(--outline)}
.chat-in input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 5px rgba(0,82,255,.5)}
.chat-in .btn{white-space:nowrap}
.chat-sugs{display:flex;flex-wrap:wrap;gap:8px;padding:18px 0 90px}
.chat-sugs .chip{cursor:pointer;transition:border-color .2s,color .2s}
.chat-sugs .chip:hover{color:var(--primary);border-color:rgba(0,82,255,.5)}
@keyframes slideUpFade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* ============ TERMINAL OVERLAY / TOAST ============ */
.term-overlay{position:fixed;inset:0;z-index:100;display:none;align-items:flex-end;justify-content:center;background:var(--overlay-dim);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);padding:24px}
.term-overlay.open{display:flex}
.term-win{width:100%;max-width:760px;max-height:min(72vh,560px);display:flex;flex-direction:column;background:var(--term-bg);border:.5px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:0 24px 70px rgba(0,0,0,.6),inset 0 1px 0 rgba(0,82,255,.35);animation:termIn .3s var(--ease)}
@keyframes termIn{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
.term-bar{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:var(--solid-soft);border-bottom:.5px solid var(--line-soft)}
.term-close{background:none;border:0;color:var(--on-surface-variant);cursor:pointer;font-size:14px;padding:6px 8px;border-radius:var(--r-sm);min-width:32px;min-height:32px}
.term-close:hover{color:var(--on-surface);background:var(--line-soft)}
.term-out{padding:16px;overflow-y:auto;font-family:var(--font-mono);font-size:13px;line-height:1.7;color:var(--on-surface);flex-grow:1;min-height:220px;scrollbar-width:thin;scrollbar-color:rgba(0,82,255,.4) transparent}
.term-out .ln{display:block;white-space:pre-wrap;word-break:break-word}
.term-out .ln .ok{color:var(--primary-tint)}
.term-out .ln .cmd{color:var(--on-surface);font-weight:700}
.term-out .ln .err{color:#ff8a80}
.term-out .ln .dim{color:var(--outline)}
.term-in{display:flex;align-items:center;gap:10px;padding:12px 16px;border-top:.5px solid var(--line-soft);background:var(--solid-soft)}
.term-ps1{font-family:var(--font-mono);font-size:13px;color:var(--primary);white-space:nowrap;font-weight:700}
.term-input{flex:1;background:none;border:0;outline:none;color:var(--on-surface);font-family:var(--font-mono);font-size:13px;caret-color:var(--primary);min-height:32px}
.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%) translateY(80px);z-index:120;background:var(--solid-solid);border:.5px solid rgba(0,82,255,.5);color:var(--on-surface);font-family:var(--font-mono);font-size:12px;padding:12px 20px;border-radius:var(--r-md);opacity:0;transition:transform .35s var(--ease),opacity .35s var(--ease);pointer-events:none;box-shadow:0 0 18px rgba(0,82,255,.25);max-width:88vw;text-align:center}
.toast.show{transform:translateX(-50%) translateY(0);opacity:1}

/* ============ SMALL SCREENS (mobile / tablet) ============ */
@media(max-width:640px){
  :root{--margin:16px;--gap:14px}
  nav{padding:0 10px}
  .nav-pill{gap:10px;padding:8px 10px;width:100%;max-width:100%}
  .nav-links{display:none}
  .brand{font-size:12px;padding-right:10px}
  .nav-actions{padding-left:10px;gap:6px}
  .hero{min-height:0;padding-top:110px}
  .hero-grid{gap:28px}
  .hero .roles{min-height:auto;font-size:13px}
  .id-card{padding:24px 20px}
  .stack-card{padding:24px 18px}
  .tool-card{padding:22px 16px}
  .tool-logo{width:68px;height:68px}
  .chat-sugs{padding-bottom:56px}
  .chat-in{flex-wrap:wrap}
  .chat-in .btn{width:100%;justify-content:center}
  .msg{max-width:100%}
  .f-form .btn{width:100%;justify-content:center}
  .foot-links{gap:12px 18px}
  .f-field label,.term-prompt,.node,.prj-desc,.vis-text,.soc-top,.chat-head{overflow-wrap:anywhere;word-break:break-word}
  .toast{font-size:11px;padding:10px 14px}
  .term-overlay{padding:12px}
  .term-in{flex-wrap:wrap}
  .term-ps1{font-size:12px}
  .tl-when{white-space:normal}
  .gcal-frame{height:clamp(440px,60vh,560px)}
}
@media(max-width:380px){
  .display{font-size:clamp(34px,10vw,44px)}
  .cert-box{padding:14px 14px}
  .soc-foot-links{gap:16px}
  .soc-foot-links a{font-size:12px}
}

/* ============ REDUCED MOTION ============ */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
  .cursor-pulse{animation:none;opacity:1}
}