/* ============================================================
   MUHAMMAD FAIZAN — PORTFOLIO · PAGE LAYOUTS v2
   Home hero, marquee, card grids, detail pages, cert frames,
   timelines, CTA bands
   ============================================================ */

/* ============ HOME · HERO ============ */
.hero { position: relative; padding-block: clamp(3.2rem, 7vw, 6rem) clamp(2.5rem, 5vw, 4rem); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2rem, 4vw, 4rem); align-items: center; }
.hero-grid > * { min-width: 0; }

.hero-greet {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 7px 16px; border-radius: 999px;
  background: var(--glass); border: 1px solid var(--border-strong);
  font-size: 0.85rem; color: var(--text-soft);
  margin-bottom: 1.4rem;
}
.hero-greet .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--wa); box-shadow: 0 0 10px var(--wa); animation: pulse-dot 2s infinite; }

.hero-title {
  font-size: clamp(2.3rem, 5.4vw, 3.9rem);
  font-weight: 700; letter-spacing: -0.03em;
  margin-bottom: 0.9rem;
}
.hero-name { background: linear-gradient(120deg, #93c5fd, #3b82f6 40%, #a78bfa 75%, #60a5fa); background-size: 220% auto; -webkit-background-clip: text; background-clip: text; color: transparent; animation: grad-shift 7s ease infinite; }

.hero-type {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: clamp(1rem, 2.1vw, 1.3rem);
  color: var(--text-soft); min-height: 2.2em; margin-bottom: 1.2rem;
}
.hero-type .prompt { color: #6ee7b7; font-weight: 600; }
.hero-type .typed { color: var(--accent-bright); font-weight: 600; }
.hero-type .caret { display: inline-block; width: 10px; height: 1.25em; border-radius: 2px; background: var(--accent-bright); animation: caret-blink 1.1s infinite; vertical-align: text-bottom; }

.hero-lead { color: var(--text-soft); font-size: 1.07rem; max-width: 54ch; margin-bottom: 1.8rem; }
.hero-lead strong { color: var(--text); }

.hero-cta { display: flex; flex-wrap: wrap; gap: 13px; margin-bottom: 1.6rem; }

.hero-meta { display: flex; flex-wrap: wrap; gap: 8px 10px; align-items: center; }
.hero-meta .chip .ic { color: var(--accent-bright); }
.hero-meta .chip-gold .ic { color: var(--gold); }
.hero-meta .sep { width: 4px; height: 4px; border-radius: 50%; background: var(--text-faint); }

/* Code window */
.hero-visual { position: relative; }
.hero-visual-grid { display: grid; grid-template-columns: 1.04fr 0.96fr; gap: 20px; align-items: stretch; }
.hero-photo { aspect-ratio: 4/4.55; align-self: stretch; }
.hero-blob {
  position: absolute; inset: -8% -6%; z-index: -1; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(59,130,246,.28), rgba(139,92,246,.14), transparent 70%);
  filter: blur(18px); animation: blob-drift 12s ease-in-out infinite;
}

.code-window {
  position: relative;
  background: rgba(10, 15, 28, 0.88);
  border: 1px solid var(--border-strong);
  border-radius: 18px;
  box-shadow: var(--shadow), 0 0 60px rgba(59,130,246,.12);
  overflow: hidden;
  backdrop-filter: blur(14px);
}
.code-titlebar {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px; border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}
.code-dot { width: 11px; height: 11px; border-radius: 50%; }
.code-dot.r { background: #ff5f57; } .code-dot.y { background: #febc2e; } .code-dot.g { background: #28c840; }
.code-filename { margin-left: 8px; font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-faint); }
.code-body {
  padding: 16px 18px; font-family: var(--font-mono);
  font-size: 0.78rem; line-height: 1.85; color: #c9d5ee;
  min-height: 310px; white-space: pre; overflow-x: auto;
}
.code-body .ln { display: block; min-height: 1.9em; }
.tok-kw { color: #c792ea; } .tok-var { color: #82aaff; } .tok-str { color: #c3e88d; }
.tok-bool { color: #ff5874; } .tok-pun { color: #97b0d4; } .tok-cm { color: #7d8fb3; font-style: italic; }
.tok-arr { color: #f78c6c; } .tok-fn { color: #ffcb6b; }

.float-badge {
  position: absolute; z-index: 2;
  display: flex; align-items: center; gap: 10px;
  padding: 11px 16px; border-radius: 14px;
  background: rgba(17, 26, 48, 0.9);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
  font-size: 0.83rem; font-weight: 600; color: var(--text);
  animation: floaty 6s ease-in-out infinite;
}
.float-badge small { display: block; font-size: 0.72rem; font-weight: 400; color: var(--text-faint); }
.float-badge .fb-ic { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; flex: none; }
.fb-1 { top: -20px; right: -6px; animation-delay: 0s; }
.fb-2 { bottom: 46px; left: -26px; animation-delay: 1.6s; }
.fb-3 { bottom: -18px; right: 8%; animation-delay: 3.1s; }
.fb-ic.gold { background: var(--gold-soft); color: var(--gold); }
.fb-ic.blue { background: var(--accent-soft); color: var(--accent-bright); }
.fb-ic.green { background: var(--wa-soft); color: #4ade80; }

/* Stats strip */
.stats-strip {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
  margin-top: clamp(2.4rem, 5vw, 3.8rem);
}
.stat {
  text-align: center; padding: 22px 12px;
  background: linear-gradient(160deg, rgba(255,255,255,0.05), rgba(255,255,255,0.015));
  border: 1px solid var(--border); border-radius: var(--radius);
  backdrop-filter: blur(10px);
  transition: all var(--transition);
}
.stat:hover { border-color: rgba(96,165,250,.4); transform: translateY(-4px); }
.stat-num { font-family: var(--font-display); font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 700; background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat-label { font-size: 0.84rem; color: var(--text-soft); margin-top: 4px; }

/* ============ MARQUEE ============ */
.marquee-section { padding-block: 0.9rem; border-block: 1px solid var(--border); background: rgba(14, 20, 36, 0.35); overflow: hidden; }
.marquee { display: flex; overflow: hidden; user-select: none; gap: 0; mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; align-items: center; gap: 42px; padding-right: 42px; flex: none; animation: marquee-x 36s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-item { display: inline-flex; align-items: center; gap: 9px; font-family: var(--font-mono); font-size: 0.86rem; color: var(--text-soft); white-space: nowrap; }
.marquee-item .ic { width: 16px; height: 16px; color: var(--accent-bright); }

/* ============ HOME · ABOUT TEASER ============ */
.about-teaser { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(2rem, 4.5vw, 4rem); align-items: center; }
.about-teaser > * { min-width: 0; }
.teaser-photo { position: relative; max-width: 340px; }
.avatar-frame { position: relative; border-radius: 26px; overflow: hidden; border: 1px solid var(--border-strong); background: linear-gradient(160deg, rgba(59,130,246,.16), rgba(139,92,246,.1)); aspect-ratio: 4/4.6; display: grid; place-items: center; }
.avatar-mono { font-family: var(--font-display); font-size: clamp(4rem, 8vw, 6rem); font-weight: 700; background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; letter-spacing: -0.04em; }
.avatar-frame::after { content: ""; position: absolute; inset: 0; background: linear-gradient(200deg, transparent 55%, rgba(11,15,26,.55)); }
.teaser-photo .photo-note {
  position: absolute; bottom: 12px; left: 12px; right: 12px; z-index: 2;
  font-size: 0.72rem; color: var(--text-faint); text-align: center;
  font-family: var(--font-mono); padding: 6px; border-radius: 9px;
  background: rgba(9,12,22,.55); border: 1px dashed var(--border-strong);
}
.teaser-checks { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 18px; margin: 1.4rem 0; }
.teaser-checks li { list-style: none; display: flex; gap: 10px; align-items: flex-start; font-size: 0.93rem; color: var(--text-soft); }
.teaser-checks .ic { color: var(--wa); margin-top: 4px; }

/* ============ CARD GRIDS ============ */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.grid > * { min-width: 0; }

/* Award card */
.award-card { padding: 24px; display: flex; flex-direction: column; gap: 14px; }
.award-card .card-icon { color: var(--gold); background: var(--gold-soft); border-color: rgba(251,191,36,.3); }
.award-card:hover .card-icon { box-shadow: 0 0 22px rgba(251,191,36,.3); }
.award-card h3 { font-size: 1.06rem; line-height: 1.35; }
.award-card h3 a { color: var(--text); }
.award-card h3 a:hover { color: var(--accent-bright); }
.award-card p { font-size: 0.9rem; color: var(--text-soft); flex: 1; }
.award-meta { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-top: 12px; border-top: 1px solid var(--border); font-size: 0.8rem; color: var(--text-faint); }
.award-meta .chip { padding: 3px 10px; font-size: 0.74rem; }

/* Skill card */
.skill-card { padding: 24px; display: flex; flex-direction: column; gap: 13px; }
.skill-card h3 { font-size: 1.08rem; }
.skill-card h3 a { color: var(--text); } .skill-card h3 a:hover { color: var(--accent-bright); }
.skill-card p { font-size: 0.9rem; color: var(--text-soft); flex: 1; }
.skill-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.skill-tags .chip { font-size: 0.72rem; padding: 3px 10px; font-family: var(--font-mono); }
.skill-foot { display: flex; align-items: center; justify-content: space-between; padding-top: 12px; border-top: 1px solid var(--border); }
.cert-chip { display: inline-flex; align-items: center; gap: 6px; font-size: 0.78rem; font-weight: 600; color: #4ade80; }
.cert-chip .ic { color: #4ade80; }

/* Service card */
.service-card { padding: 26px; display: flex; flex-direction: column; gap: 14px; }
.service-card h3 { font-size: 1.1rem; }
.service-card h3 a { color: var(--text); } .service-card h3 a:hover { color: var(--accent-bright); }
.service-card > p { font-size: 0.91rem; color: var(--text-soft); }
.service-list { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.service-list .chip { font-size: 0.74rem; }
.service-foot { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: auto; padding-top: 14px; border-top: 1px solid var(--border); font-size: 0.8rem; color: var(--text-faint); }

/* Blog card */
.post-card { display: flex; flex-direction: column; overflow: hidden; }
.post-cover { position: relative; aspect-ratio: 16/7.5; display: grid; place-items: center; overflow: hidden; background: linear-gradient(135deg, rgba(59,130,246,.22), rgba(139,92,246,.18)); border-bottom: 1px solid var(--border); }
.post-cover .cover-ic { width: 52px; height: 52px; color: rgba(232,237,247,.85); transition: transform .35s ease; }
.post-card:hover .cover-ic { transform: scale(1.14) rotate(-5deg); }
.post-cover::after { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 90% at 70% 10%, rgba(59,130,246,.25), transparent 60%); }
.post-cover .cover-code { position: absolute; font-family: var(--font-mono); font-size: 3.2rem; font-weight: 600; color: rgba(255,255,255,.09); letter-spacing: -.04em; top: 8px; right: 16px; }
.post-body { padding: 22px 24px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.post-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 0.78rem; color: var(--text-faint); }
.post-meta .chip { font-size: 0.72rem; padding: 2px 10px; }
.post-body h3 { font-size: 1.12rem; line-height: 1.35; }
.post-body h3 a { color: var(--text); } .post-body h3 a:hover { color: var(--accent-bright); }
.post-body p { font-size: 0.9rem; color: var(--text-soft); flex: 1; }

/* ============ SUBPAGE HERO ============ */
.page-hero { position: relative; padding-block: clamp(2.8rem, 6vw, 4.6rem) clamp(2rem, 4vw, 3rem); overflow: hidden; }
.page-hero::before {
  content: ""; position: absolute; top: -40%; right: -10%; width: 480px; height: 480px; z-index: -1;
  background: radial-gradient(closest-side, rgba(59,130,246,.16), transparent 70%);
  filter: blur(10px);
}
.page-hero::after {
  content: ""; position: absolute; bottom: -60%; left: -14%; width: 420px; height: 420px; z-index: -1;
  background: radial-gradient(closest-side, rgba(139,92,246,.12), transparent 70%);
}
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 0.82rem; color: var(--text-faint); margin-bottom: 1.1rem; }
.breadcrumb a { color: var(--text-soft); } .breadcrumb a:hover { color: var(--accent-bright); }
.breadcrumb .sep { opacity: .5; }
.breadcrumb .current { color: var(--accent-bright); font-weight: 500; }
.page-hero .chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 1.2rem; }
.page-title { font-size: clamp(2rem, 4.6vw, 3.1rem); font-weight: 700; letter-spacing: -0.025em; margin-bottom: 0.8rem; max-width: 21ch; }
.page-lead { color: var(--text-soft); font-size: 1.06rem; max-width: 62ch; }
.page-lead strong { color: var(--text); }

/* ============ DETAIL PAGE LAYOUT (award/skill) ============ */
.detail-grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: clamp(2rem, 4vw, 3.4rem); align-items: start; }
.detail-grid > * { min-width: 0; }

/* Certificate frame */
.cert-frame {
  position: relative; border-radius: 20px; padding: 10px;
  background:
    linear-gradient(var(--surface), var(--surface)) padding-box,
    linear-gradient(140deg, rgba(251,191,36,.65), rgba(59,130,246,.4) 45%, rgba(139,92,246,.55)) border-box;
  border: 1.5px solid transparent;
  box-shadow: var(--shadow), 0 0 46px rgba(59,130,246,.1);
}
.cert-inner {
  position: relative; border-radius: 13px; overflow: hidden;
  background:
    radial-gradient(120% 90% at 50% 0%, rgba(59,130,246,.1), transparent 55%),
    linear-gradient(165deg, #0f1730, #0c1226);
  border: 1px solid var(--border-strong);
  padding: 34px 28px 26px;
  text-align: center;
}
.cert-inner::before {
  content: ""; position: absolute; inset: 9px; border-radius: 9px;
  border: 1px solid rgba(251,191,36,.28); pointer-events: none;
}
.cert-shine { position: absolute; top: 0; bottom: 0; width: 34%; left: 0; background: linear-gradient(105deg, transparent, rgba(255,255,255,.06), transparent); transform: translateX(-130%) skewX(-18deg); }
.cert-frame:hover .cert-shine { animation: shine-sweep 1.1s ease forwards; }
.cert-org { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 14px; }
.cert-label { font-size: 0.76rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold); font-weight: 600; margin-bottom: 10px; }
.cert-title { font-family: var(--font-display); font-size: 1.35rem; font-weight: 700; line-height: 1.3; margin-bottom: 8px; }
.cert-inst { font-size: 0.86rem; color: var(--text-soft); }
.cert-seal {
  width: 74px; height: 74px; margin: 20px auto 12px; border-radius: 50%;
  display: grid; place-items: center; color: var(--gold);
  background: radial-gradient(circle at 32% 28%, rgba(251,191,36,.25), rgba(251,191,36,.06));
  border: 1.5px dashed rgba(251,191,36,.5);
  position: relative;
}
.cert-seal::after { content: ""; position: absolute; inset: 6px; border-radius: 50%; border: 1px solid rgba(251,191,36,.3); animation: spin-slow 26s linear infinite; }
.cert-seal .ic { width: 30px; height: 30px; }
.cert-foot { font-size: 0.74rem; color: var(--text-faint); font-family: var(--font-mono); }
.cert-cap { margin-top: 12px; text-align: center; font-size: 0.76rem; color: var(--text-faint); display: flex; align-items: center; justify-content: center; gap: 6px; }
.cert-frame img.cert-scan { display: block; width: 100%; height: auto; border-radius: 13px; }
.cert-frame .cert-link { display: block; border-radius: 13px; overflow: hidden; position: relative; }
.cert-frame .cert-link::after { content: ""; position: absolute; inset: 0; background: linear-gradient(200deg, transparent 60%, rgba(11,15,26,.35)); pointer-events: none; }
.cert-frame .cert-link:hover img.cert-scan { transform: scale(1.015); }
.cert-frame img.cert-scan { transition: transform .5s cubic-bezier(.2,.7,.3,1); }

/* Facts panel (sidebar) — static by design: panels scroll with the page so
   they can never drift over each other or over the certificate above them. */
.facts-panel {
  position: static;
  display: grid; gap: 12px;
  padding: 22px; border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  border: 1px solid var(--border);
}
.fact { display: flex; align-items: flex-start; gap: 12px; padding-bottom: 12px; border-bottom: 1px dashed var(--border); }
.fact:last-child { padding-bottom: 0; border-bottom: none; }
.fact .ic { color: var(--accent-bright); margin-top: 3px; }
.fact strong { display: block; font-size: 0.93rem; }
.fact small { color: var(--text-faint); font-size: 0.78rem; }

/* Prose-lite for detail pages */
.dsection { margin-bottom: clamp(2rem, 4vw, 2.8rem); }
.dsection h2 {
  display: flex; align-items: center; gap: 12px;
  font-size: clamp(1.3rem, 2.6vw, 1.65rem); margin-bottom: 1rem;
}
.dsection h2 .h-ic { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: var(--accent-soft); color: var(--accent-bright); flex: none; }
.dsection p { color: var(--text-soft); margin-bottom: 1rem; font-size: 1.01rem; }
.dsection p strong, .dsection li strong { color: var(--text); }
.dsection ul, .dsection ol { color: var(--text-soft); margin: 0 0 1rem; }
.dsection li { margin-bottom: 0.5rem; }
.dsection blockquote {
  margin: 1.4rem 0; padding: 18px 22px; border-radius: 14px;
  background: var(--accent-soft); border-left: 3px solid var(--accent);
  color: var(--text); font-size: 1.02rem; font-style: italic;
}
.dsection blockquote footer { font-size: .82rem; font-style: normal; color: var(--text-faint); margin-top: 6px; }

/* Skill group boxes */
.skill-group {
  padding: 20px 22px; border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(255,255,255,.045), rgba(255,255,255,.01));
  border: 1px solid var(--border);
}
.skill-group h3 { display: flex; align-items: center; gap: 10px; font-size: 1.02rem; margin-bottom: 12px; }
.skill-group h3 .ic { color: var(--accent-bright); }
.skill-group p { font-size: 0.9rem; color: var(--text-soft); margin-bottom: 12px; }
.skill-group .tags { display: flex; flex-wrap: wrap; gap: 6px; }

/* ============ TIMELINE ============ */
.timeline { position: relative; padding-left: 34px; }
.timeline::before {
  content: ""; position: absolute; left: 10px; top: 6px; bottom: 6px; width: 2px;
  background: linear-gradient(180deg, var(--accent), rgba(139,92,246,.6), transparent);
  border-radius: 2px;
}
.tl-item { position: relative; padding-bottom: 26px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: -30px; top: 5px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--bg); border: 3px solid var(--accent-bright);
  box-shadow: 0 0 0 4px rgba(59,130,246,.15), 0 0 14px rgba(59,130,246,.5);
}
.tl-item .tl-when { font-family: var(--font-mono); font-size: 0.75rem; color: var(--accent-bright); letter-spacing: 0.06em; }
.tl-item h3 { font-size: 1.05rem; margin: 4px 0 6px; }
.tl-item p { font-size: 0.92rem; color: var(--text-soft); }

/* ============ CTA BAND ============ */
.cta-band {
  position: relative; overflow: hidden;
  padding: clamp(2.2rem, 5vw, 3.6rem);
  border-radius: 26px;
  background:
    radial-gradient(90% 140% at 15% 0%, rgba(59,130,246,.24), transparent 55%),
    radial-gradient(80% 130% at 90% 100%, rgba(139,92,246,.2), transparent 55%),
    linear-gradient(160deg, #101a33, #0d1426);
  border: 1px solid var(--border-strong);
  text-align: center;
}
.cta-band::after {
  content: ""; position: absolute; width: 300px; height: 300px; border-radius: 50%;
  border: 1px dashed rgba(96,165,250,.25); top: -140px; right: -80px;
  animation: spin-slow 40s linear infinite;
}
.cta-band h2 { font-size: clamp(1.5rem, 3.4vw, 2.2rem); margin-bottom: 0.7rem; }
.cta-band p { color: var(--text-soft); max-width: 58ch; margin: 0 auto 1.6rem; }
.cta-band .btn-row { display: flex; flex-wrap: wrap; gap: 13px; justify-content: center; }
.cta-contact-row { display: flex; flex-wrap: wrap; gap: 10px 26px; justify-content: center; margin-top: 1.4rem; font-size: 0.9rem; color: var(--text-soft); }
.cta-contact-row .ic { color: var(--accent-bright); }

/* ============ PROJECT PAGE ============ */
.proj-hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(2rem, 4vw, 3.6rem); align-items: center; }
.proj-hero-grid > * { min-width: 0; }
.proj-shot {
  position: relative; border-radius: 18px; overflow: hidden;
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow), 0 0 50px rgba(59,130,246,.12);
  background: var(--surface);
}
.proj-shot img { width: 100%; display: block; }
.proj-shot .shot-bar {
  display: flex; align-items: center; gap: 7px; padding: 10px 14px;
  border-bottom: 1px solid var(--border); background: rgba(255,255,255,.02);
}
.proj-shot .shot-url { margin-left: 6px; font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-faint); }

/* Terminal block */
.terminal {
  border-radius: 16px; overflow: hidden;
  border: 1px solid var(--border-strong); background: #0a0f1e;
  box-shadow: var(--shadow);
}
.terminal .term-bar { display: flex; align-items: center; gap: 8px; padding: 11px 15px; border-bottom: 1px solid var(--border); background: rgba(255,255,255,.03); }
.terminal .term-title { margin-left: 8px; font-family: var(--font-mono); font-size: 0.76rem; color: var(--text-faint); }
.terminal .term-body { padding: 18px 20px; font-family: var(--font-mono); font-size: 0.84rem; line-height: 2; color: #b7c5e2; overflow-x: auto; }
.term-line .p { color: #6ee7b7; font-weight: 600; }
.term-line .c { color: #5b6b8c; }
.term-line .ok { color: #4ade80; }

/* Pipeline / steps */
.pipeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.pipe-step { padding: 18px 16px; border-radius: 15px; background: linear-gradient(160deg, rgba(255,255,255,.05), rgba(255,255,255,.015)); border: 1px solid var(--border); text-align: center; position: relative; transition: all var(--transition); }
.pipe-step:hover { border-color: rgba(96,165,250,.4); transform: translateY(-4px); }
.pipe-step .pipe-ic { display: grid; place-items: center; width: 44px; height: 44px; margin: 0 auto 10px; border-radius: 13px; background: var(--accent-soft); color: var(--accent-bright); }
.pipe-step strong { display: block; font-size: 0.93rem; margin-bottom: 3px; }
.pipe-step small { color: var(--text-faint); font-size: 0.76rem; line-height: 1.5; display: block; }
.pipe-step .step-n {
  position: absolute; top: 10px; left: 12px; font-family: var(--font-mono);
  font-size: 0.66rem; color: var(--text-faint);
}

/* Tools grid (handy tools) */
.tools-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.tool-cell { display: flex; align-items: center; gap: 12px; padding: 15px 16px; border-radius: 14px; background: linear-gradient(160deg, rgba(255,255,255,.045), rgba(255,255,255,.012)); border: 1px solid var(--border); transition: all var(--transition); }
.tool-cell:hover { border-color: rgba(96,165,250,.4); transform: translateY(-3px); }
.tool-cell .ic { color: var(--accent-bright); flex: none; }
.tool-cell strong { display: block; font-size: 0.9rem; }
.tool-cell small { color: var(--text-faint); font-size: 0.76rem; }

/* Status badge (LearnFinity) */
.status-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 18px; border-radius: 999px;
  background: var(--wa-soft); border: 1px solid rgba(37,211,102,.35);
  font-size: 0.86rem; font-weight: 600; color: #4ade80;
}
.status-badge .dot { width: 9px; height: 9px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 10px #4ade80; animation: pulse-dot 1.6s infinite; }

/* ============ AVATAR ============ */
.avatar {
  display: grid; place-items: center; border-radius: 50%;
  background: var(--gradient); color: #fff;
  font-family: var(--font-display); font-weight: 700;
  flex: none; position: relative;
  box-shadow: 0 8px 24px rgba(59,130,246,.35);
}
.avatar::after { content: ""; position: absolute; inset: -5px; border-radius: 50%; border: 1.5px dashed rgba(96,165,250,.4); animation: spin-slow 30s linear infinite; }
.avatar-sm { width: 46px; height: 46px; font-size: 0.95rem; }
.avatar-md { width: 64px; height: 64px; font-size: 1.3rem; }
.avatar .avatar-img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; position: relative; z-index: 1; }
.avatar-frame img { width: 100%; height: 100%; object-fit: cover; display: block; }
.photo-frame { position: relative; border-radius: 26px; overflow: hidden; border: 1px solid var(--border-strong); box-shadow: 0 24px 60px rgba(2,6,17,.6); }
.photo-frame img { width: 100%; height: 100%; object-fit: cover; display: block; }
.photo-frame::after { content: ""; position: absolute; inset: 0; background: linear-gradient(200deg, transparent 55%, rgba(11,15,26,.5)); pointer-events: none; }

/* ============ RESPONSIVE ============ */
@media (max-width: 1120px) {
  .hero-visual-grid { grid-template-columns: 1fr; }
  .hero-photo { max-width: 400px; margin-inline: auto; aspect-ratio: 4/4.4; }
}
@media (max-width: 1020px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 560px; margin-inline: auto; }
  .detail-grid { grid-template-columns: 1fr; }
  .about-teaser { grid-template-columns: 1fr; }
  .teaser-photo { margin-inline: auto; }
  .proj-hero-grid { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .pipeline { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-3, .grid-2, .tools-grid { grid-template-columns: 1fr; }
  .stats-strip { grid-template-columns: repeat(2, 1fr); }
  .teaser-checks { grid-template-columns: 1fr; }
  .fb-2 { left: -6px; } .fb-1 { right: 0; }
  .float-badge { padding: 8px 12px; font-size: 0.75rem; }
  .float-badge small { display: none; }
  .code-body { min-height: 300px; font-size: 0.72rem; }
  .pipeline { grid-template-columns: 1fr; }
}

/* ============================================================
   CHARTS & INFOGRAPHICS · v4
   Home: growth area chart + teaching-fields donut
   Skills hub: animated proficiency bars
   Animations fire when the parent .reveal gets .in-view
   ============================================================ */
.charts-band { display: grid; grid-template-columns: 1.28fr 0.72fr; gap: 18px; align-items: stretch; }
.chart-card {
  position: relative; padding: 24px 24px 22px; border-radius: 20px; overflow: hidden;
  background: linear-gradient(160deg, rgba(255,255,255,.045), rgba(255,255,255,.015));
  border: 1px solid var(--border); backdrop-filter: blur(10px);
}
.chart-card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(96,165,250,.55), transparent); }
.chart-head h3 { font-family: var(--font-display); font-size: 1.05rem; letter-spacing: -0.01em; margin-bottom: 3px; }
.chart-head p { font-size: 0.84rem; color: var(--text-soft); margin-bottom: 1.1rem; }
.chart-box svg, .donut-flex svg { width: 100%; height: auto; display: block; }

/* --- growth area chart --- */
.growth-grid { stroke: rgba(148,163,184,.13); stroke-width: 1; }
.growth-axis { font: 500 11px var(--font-mono); fill: var(--text-faint); }
.growth-val { font: 600 12.5px var(--font-mono); fill: #93c5fd; }
.growth-area { opacity: 0; transition: opacity 1.1s ease 0.85s; }
.growth-line {
  fill: none; stroke: url(#gradLine); stroke-width: 3.5; stroke-linecap: round; stroke-linejoin: round;
  filter: drop-shadow(0 6px 14px rgba(59,130,246,.38));
  stroke-dasharray: 560; stroke-dashoffset: 560;
  transition: stroke-dashoffset 1.7s cubic-bezier(.4,0,.2,1) 0.2s;
}
.g-dot {
  fill: #0b0f1a; stroke: #60a5fa; stroke-width: 2.5;
  transform: scale(0); transform-box: fill-box; transform-origin: center;
  transition: transform 0.55s cubic-bezier(.34,1.56,.64,1);
}
.g-dot.g-gold { stroke: #fbbf24; filter: drop-shadow(0 0 9px rgba(251,191,36,.65)); }
.in-view .growth-line { stroke-dashoffset: 0; }
.in-view .growth-area { opacity: 1; }
.in-view .g-dot { transform: scale(1); }
.chart-notes { list-style: none; display: grid; gap: 7px; margin: 14px 0 0; padding: 14px 0 0; border-top: 1px dashed var(--border); }
.chart-notes li { display: flex; align-items: baseline; gap: 9px; font-size: 0.82rem; color: var(--text-soft); }
.chart-notes .cn-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gradient); flex: none; transform: translateY(-1px); }
.chart-notes strong { color: var(--text); font-weight: 600; }

/* --- teaching fields donut --- */
/* Centered composition: donut on top, legend wrapped below, everything
   symmetrically centered from each side of the card. */
.donut-flex { display: flex; flex-direction: column; align-items: center; gap: 20px; }
.donut-flex .donut-svg { width: 200px; flex: none; }
.chart-center .chart-head { text-align: center; }
.chart-center .chart-head p { margin-inline: auto; }
.donut-track { fill: none; stroke: rgba(148,163,184,.1); stroke-width: 21; }
.donut-seg { fill: none; stroke-width: 21; stroke-dasharray: 0 490.1; transition: stroke-dasharray 1.15s cubic-bezier(.4,0,.2,1) 0.25s; }
.in-view .donut-seg { stroke-dasharray: var(--seg) var(--rest); }
.donut-c { font: 700 34px var(--font-display); fill: var(--text); }
.donut-c2 { font: 500 9.5px var(--font-mono); fill: var(--text-faint); letter-spacing: 0.09em; text-transform: uppercase; }
.donut-legend { list-style: none; display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 28px; margin: 0; padding: 0; max-width: 300px; }
.donut-legend li { display: flex; align-items: center; gap: 9px; font-size: 0.85rem; color: var(--text-soft); }
.donut-legend .lg-dot { width: 10px; height: 10px; border-radius: 3px; background: var(--c); flex: none; box-shadow: 0 0 10px -1px var(--c); }
.donut-legend strong { margin-left: 7px; font-family: var(--font-mono); color: var(--text); font-size: 0.95rem; }

/* --- skills hub proficiency bars --- */
.bars-panel {
  padding: 26px 28px; border-radius: 20px; margin-top: 2.2rem;
  background: linear-gradient(160deg, rgba(255,255,255,.045), rgba(255,255,255,.015));
  border: 1px solid var(--border); backdrop-filter: blur(10px);
}
.bars { display: grid; gap: 17px; margin-top: 1.35rem; }
.bar-row { min-width: 0; }
.bar-meta { display: flex; justify-content: space-between; align-items: center; gap: 12px; font-size: 0.88rem; margin-bottom: 7px; color: var(--text-soft); }
.bar-meta .ic { color: var(--c1); margin-right: 2px; }
.bar-meta strong { font-family: var(--font-mono); color: var(--text); font-size: 0.92rem; }
.bar-track { height: 10px; border-radius: 999px; background: rgba(148,163,184,.12); overflow: hidden; }
.bar-fill {
  display: block; height: 100%; width: 0; border-radius: inherit;
  background: linear-gradient(90deg, var(--c1), var(--c2));
  box-shadow: 0 0 16px -3px var(--c2);
  transition: width 1.25s cubic-bezier(.22,.61,.36,1) 0.15s;
}
.in-view .bar-fill { width: var(--w); }
.bars-foot { margin-top: 1.2rem; font-size: 0.76rem; color: var(--text-faint); display: flex; align-items: center; gap: 7px; }
.bars-foot .ic { width: 13px; height: 13px; }

@media (max-width: 1020px) {
  .charts-band { grid-template-columns: 1fr; }
  .donut-flex .donut-svg { width: 168px; }
}
@media (max-width: 640px) {
  .donut-flex { flex-direction: column; }
  .donut-flex .donut-svg { width: 190px; }
  .donut-legend { width: 100%; }
  .bars-panel { padding: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  .growth-line, .growth-area, .g-dot, .donut-seg, .bar-fill { transition: none; }
}