/* =============================================================
   SECTIONS — hero, projects, experience, certs, blog, contact
   ============================================================= */

/* =============================================================
   HERO
   ============================================================= */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  padding-bottom: 4rem;
  overflow: hidden;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  width: 100%;
}

.hero__available {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 0.9rem 0.4rem 0.75rem;
  border-radius: 99px;
  border: 1px solid var(--accent-line);
  background: var(--accent-soft);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.75rem;
}

.hero__available i {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2.2s infinite;
}

.hero__name {
  font-size: clamp(2.6rem, 7.5vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
  margin-bottom: 1.1rem;
}

.hero__name span { display: block; }
.hero__name .ln2 {
  background: linear-gradient(100deg, var(--accent), var(--blue) 50%, var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Typed role line */
.hero__role {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.1em;
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 1.9vw, 1.08rem);
  color: var(--text-2);
  margin-bottom: 1.5rem;
}
.hero__role .prompt { color: var(--accent); flex: none; }
.hero__typed { border-right: 2px solid var(--accent); padding-right: 3px; }
.hero__typed.blink { animation: caret 1s step-end infinite; }
@keyframes caret { 50% { border-color: transparent; } }

.hero__lede {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: var(--text-2);
  max-width: 52ch;
  margin-bottom: 2rem;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 2.25rem;
  font-size: 0.85rem;
  color: var(--text-3);
}
.hero__meta span { display: inline-flex; align-items: center; gap: 0.45rem; }
.hero__meta svg { width: 15px; height: 15px; color: var(--accent); }

/* Stat strip */
.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 3rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
  overflow: hidden;
}

.stat {
  padding: 1.1rem 1rem;
  background: color-mix(in srgb, var(--surface) 80%, transparent);
  backdrop-filter: blur(10px);
  transition: background-color 0.3s var(--ease);
}
.stat:hover { background: var(--surface-2); }

.stat__v {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--accent);
  line-height: 1;
}
.stat__l {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-top: 0.4rem;
}

/* =============================================================
   PORTRAIT — framed headshot with tech treatment
   ============================================================= */
.portrait {
  position: relative;
  width: min(100%, 420px);
  margin-inline: auto;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  isolation: isolate;
  will-change: transform;
  transition: transform 0.4s var(--ease);
}

/* Glow bloom behind the frame */
.portrait::before {
  content: "";
  position: absolute;
  inset: -14%;
  z-index: -2;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 45%,
    rgba(45, 226, 197, 0.28), rgba(91, 140, 255, 0.16) 45%, transparent 70%);
  filter: blur(38px);
  animation: bloom 7s var(--ease) infinite alternate;
}

@keyframes bloom {
  from { opacity: 0.65; transform: scale(0.95); }
  to   { opacity: 1;    transform: scale(1.06); }
}

.portrait__frame {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  box-shadow: var(--shadow);
}

/* Gradient edge */
.portrait__frame::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 3;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(155deg,
    var(--accent), transparent 35%, transparent 62%, var(--blue));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* Scanlines + colour grade over the photo */
.portrait__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    linear-gradient(180deg, transparent 55%, rgba(4, 6, 13, 0.72) 100%),
    repeating-linear-gradient(180deg,
      rgba(45, 226, 197, 0.045) 0px,
      rgba(45, 226, 197, 0.045) 1px,
      transparent 1px,
      transparent 4px);
}

.portrait__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 22%;
  filter: contrast(1.04) saturate(0.94);
  transition: transform 0.7s var(--ease), filter 0.5s var(--ease);
}

.portrait:hover .portrait__img {
  transform: scale(1.035);
  filter: contrast(1.08) saturate(1.02);
}

/* Sweeping scan line */
.portrait__scan {
  position: absolute;
  left: 0; right: 0;
  height: 22%;
  z-index: 2;
  background: linear-gradient(180deg,
    transparent, rgba(45, 226, 197, 0.13), transparent);
  animation: scanSweep 5.5s var(--ease) infinite;
  pointer-events: none;
}

@keyframes scanSweep {
  0%, 100% { top: -25%; opacity: 0; }
  15%      { opacity: 1; }
  85%      { opacity: 1; }
  95%      { top: 105%; opacity: 0; }
}

/* Targeting brackets */
.portrait__bracket {
  position: absolute;
  z-index: 4;
  width: 26px; height: 26px;
  border: 2px solid var(--accent);
  opacity: 0.75;
  transition: all 0.45s var(--ease);
}
.portrait__bracket.tl { top: 14px;    left: 14px;    border-right: 0; border-bottom: 0; border-radius: 6px 0 0 0; }
.portrait__bracket.tr { top: 14px;    right: 14px;   border-left: 0;  border-bottom: 0; border-radius: 0 6px 0 0; }
.portrait__bracket.bl { bottom: 14px; left: 14px;    border-right: 0; border-top: 0;    border-radius: 0 0 0 6px; }
.portrait__bracket.br { bottom: 14px; right: 14px;   border-left: 0;  border-top: 0;    border-radius: 0 0 6px 0; }

.portrait:hover .portrait__bracket { opacity: 1; }
.portrait:hover .portrait__bracket.tl { transform: translate(-5px, -5px); }
.portrait:hover .portrait__bracket.tr { transform: translate(5px, -5px); }
.portrait:hover .portrait__bracket.bl { transform: translate(-5px, 5px); }
.portrait:hover .portrait__bracket.br { transform: translate(5px, 5px); }

/* Caption strip pinned to the bottom of the frame */
.portrait__tag {
  position: absolute;
  left: 1rem; right: 1rem; bottom: 1rem;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 0.85rem;
  border-radius: 11px;
  border: 1px solid var(--line-strong);
  background: rgba(6, 10, 20, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.portrait__tag i {
  width: 7px; height: 7px;
  flex: none;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2.2s infinite;
}
.portrait__tag b {
  font-family: var(--font-display);
  font-size: 0.86rem;
  font-weight: 600;
  color: #e8eefb;
  letter-spacing: -0.01em;
}
.portrait__tag span {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

/* Small circular variant for the about/footer */
.portrait--round {
  width: 128px;
  aspect-ratio: 1;
  margin: 0;
}
.portrait--round .portrait__frame { border-radius: 50%; }
.portrait--round .portrait__frame::before { border-radius: 50%; }
.portrait--round .portrait__bracket,
.portrait--round .portrait__tag { display: none; }

/* Hero side panel — the "security console" card */
.console {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-strong);
  background: color-mix(in srgb, var(--surface) 82%, transparent);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.console::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(140deg, var(--accent-line), transparent 45%, transparent 60%, rgba(91,140,255,0.35));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.console__bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
}
.console__dots { display: flex; gap: 0.35rem; }
.console__dots i {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--surface-3);
}
.console__dots i:nth-child(1) { background: #ff5f57; }
.console__dots i:nth-child(2) { background: #febc2e; }
.console__dots i:nth-child(3) { background: #28c840; }
.console__title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-3);
  margin-left: 0.4rem;
}

.console__body { padding: 1.15rem 1.25rem 1.35rem; }

.console__row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0;
  border-bottom: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 0.76rem;
}
.console__row:last-child { border-bottom: 0; }
.console__k { color: var(--text-3); flex: none; min-width: 8.5rem; }
.console__v { color: var(--text); margin-left: auto; text-align: right; }
.console__v.ok { color: var(--accent); }
.console__v.warn { color: var(--amber); }

/* Framework readiness meters */
.meter { margin-top: 1.1rem; }
.meter__top {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-2);
  margin-bottom: 0.4rem;
}
.meter__track {
  height: 4px;
  border-radius: 99px;
  background: var(--surface-3);
  overflow: hidden;
}
.meter__fill {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--blue));
  transition: width 1.4s var(--ease);
  transition-delay: var(--meter-delay, 0ms);
}

.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 1.75rem;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-3);
}
.hero__scroll i {
  width: 1px; height: 34px;
  background: linear-gradient(180deg, var(--accent), transparent);
  animation: scrollHint 2s var(--ease) infinite;
}
@keyframes scrollHint {
  0%, 100% { opacity: 0.25; transform: scaleY(0.5); transform-origin: top; }
  50%      { opacity: 1;    transform: scaleY(1);   transform-origin: top; }
}

@media (max-width: 980px) {
  .hero__grid { grid-template-columns: 1fr; }
  .console { order: 2; }
  .hero__scroll { display: none; }
}
@media (max-width: 620px) {
  .hero__stats { grid-template-columns: repeat(2, 1fr); }
}

/* =============================================================
   ABOUT
   ============================================================= */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.about__body p {
  color: var(--text-2);
  font-size: 1.02rem;
  margin-bottom: 1.15rem;
}
.about__body strong { color: var(--text); font-weight: 600; }

.cap-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 1.25rem 1.35rem;
  margin-bottom: 0.85rem;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease),
              background-color 0.3s var(--ease);
}
.cap-card:hover {
  border-color: var(--accent-line);
  background: var(--surface-2);
  transform: translateX(4px);
}

.cap-card__head {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 0.9rem;
}
.cap-card__ico {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border-radius: 9px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  color: var(--accent);
  flex: none;
}
.cap-card__ico svg { width: 16px; height: 16px; }
.cap-card__title { font-size: 0.98rem; font-weight: 600; }

@media (max-width: 900px) { .about__grid { grid-template-columns: 1fr; } }

/* =============================================================
   BANNERS — 16:9 artwork on cards, modals and articles
   ============================================================= */
.banner {
  position: relative;
  overflow: hidden;
  background: var(--surface-2);
  aspect-ratio: 16 / 9;
}

.banner__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.65s var(--ease), filter 0.45s var(--ease);
}

/* Fades the artwork into the card so the text below sits on solid ground */
.banner__scrim {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg,
    transparent 45%,
    color-mix(in srgb, var(--surface) 60%, transparent) 78%,
    var(--surface) 100%);
}

/* Card variant: bleeds past the card's padding to meet its edges */
.banner--card {
  margin: -1.6rem -1.6rem 1.2rem;
  border-bottom: 1px solid var(--line);
}

.proj-card:hover .banner__img,
.post-card:hover .banner__img {
  transform: scale(1.055);
  filter: saturate(1.15) brightness(1.08);
}

/* Modal variant: sits flush at the top of the panel */
.banner--modal {
  aspect-ratio: 21 / 8;
  border-bottom: 1px solid var(--line);
}
.banner--modal .banner__scrim {
  background: linear-gradient(180deg,
    transparent 35%,
    color-mix(in srgb, var(--surface) 70%, transparent) 75%,
    var(--surface) 100%);
}

/* Article hero */
.banner--hero {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow);
}
.banner--hero .banner__scrim {
  background: linear-gradient(180deg, transparent 60%, rgba(4, 6, 13, 0.45) 100%);
}

@media (max-width: 620px) {
  .banner--card { margin: -1.25rem -1.25rem 1rem; }
}

/* =============================================================
   PROJECTS
   ============================================================= */
.proj-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.25rem;
}

.filter {
  padding: 0.48rem 1rem;
  border-radius: 99px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.03em;
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease),
              background-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}
.filter:hover { color: var(--text); border-color: var(--line-strong); }
.filter.is-on {
  color: #04060d;
  font-weight: 600;
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 22px -6px var(--accent);
}
.filter span { opacity: 0.6; margin-left: 0.3rem; }

.proj-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 380px), 1fr));
  gap: 1.35rem;
}

.proj-card {
  position: relative;
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 1.6rem;
  overflow: hidden;
  isolation: isolate;
  transform-style: preserve-3d;
  transition: border-color 0.35s var(--ease), box-shadow 0.35s var(--ease),
              transform 0.18s var(--ease);
}

/* Mouse-following spotlight */
.proj-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background: radial-gradient(
    30rem 30rem at var(--mx, 50%) var(--my, 50%),
    rgba(45, 226, 197, 0.11),
    transparent 42%
  );
  opacity: 0;
  transition: opacity 0.35s var(--ease);
}

.proj-card:hover {
  border-color: var(--accent-line);
  box-shadow: 0 24px 60px -30px rgba(45, 226, 197, 0.55);
}
.proj-card:hover::before { opacity: 1; }

.proj-card.is-hidden { display: none; }

.proj-card__top {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.1rem;
}

.proj-card__idx {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-3);
  letter-spacing: 0.06em;
}

.proj-card__title {
  font-size: 1.28rem;
  margin-bottom: 0.35rem;
  transition: color 0.25s var(--ease);
}
.proj-card:hover .proj-card__title { color: var(--accent); }

.proj-card__sub {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-3);
  margin-bottom: 0.95rem;
  line-height: 1.5;
}

.proj-card__summary {
  color: var(--text-2);
  font-size: 0.93rem;
  margin-bottom: 1.2rem;
}

.proj-card__metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-bottom: 1.2rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--line);
  overflow: hidden;
}
.proj-metric { padding: 0.7rem 0.6rem; background: var(--surface-2); text-align: center; }
.proj-metric b {
  display: block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.proj-metric span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-top: 0.2rem;
}

.proj-card__foot {
  margin-top: auto;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.proj-card__more {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--accent);
  flex: none;
}
.proj-card__more svg { width: 14px; height: 14px; transition: transform 0.25s var(--ease); }
.proj-card:hover .proj-card__more svg { transform: translateX(4px); }

/* Corner bracket accents */
.proj-card__corner {
  position: absolute;
  width: 16px; height: 16px;
  border: 1.5px solid var(--accent);
  opacity: 0;
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
}
.proj-card__corner.tl { top: 10px; left: 10px; border-right: 0; border-bottom: 0; transform: translate(5px, 5px); }
.proj-card__corner.br { bottom: 10px; right: 10px; border-left: 0; border-top: 0; transform: translate(-5px, -5px); }
.proj-card:hover .proj-card__corner { opacity: 0.85; transform: none; }

/* --- Project detail modal --- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1100;
  display: none;
  justify-content: center;
  align-items: flex-start;
  padding: max(4vh, 1rem) 1rem;
  overflow-y: auto;
  background: rgba(2, 4, 10, 0.78);
  backdrop-filter: blur(10px);
}
.modal.is-open { display: flex; animation: fade 0.22s var(--ease); }

.modal__panel {
  position: relative;
  width: min(820px, 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-strong);
  background: var(--surface);
  box-shadow: var(--shadow), 0 0 90px -40px rgba(45, 226, 197, 0.4);
  animation: cmdkIn 0.3s var(--ease);
  overflow: hidden;
}

.modal__head {
  padding: 2rem 2rem 1.5rem;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(160deg, var(--accent-soft), transparent 60%);
}
.modal__title { font-size: clamp(1.4rem, 3.2vw, 2rem); margin: 0.75rem 0 0.4rem; }
.modal__sub { font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-3); }

.modal__close {
  position: absolute;
  top: 1.15rem; right: 1.15rem;
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--text-2);
  transition: all 0.2s var(--ease);
}
.modal__close:hover { color: var(--rose); border-color: var(--rose); }
.modal__close svg { width: 16px; height: 16px; }

.modal__body { padding: 1.75rem 2rem 2rem; }

.modal__block { margin-bottom: 1.75rem; }
.modal__h {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.17em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.85rem;
}
.modal__h::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-line), transparent);
}
.modal__block p { color: var(--text-2); font-size: 0.96rem; }

.modal__list { display: flex; flex-direction: column; gap: 0.6rem; }
.modal__list li {
  display: flex;
  gap: 0.7rem;
  color: var(--text-2);
  font-size: 0.94rem;
}
.modal__list li::before {
  content: "";
  flex: none;
  width: 5px; height: 5px;
  margin-top: 0.62rem;
  border-radius: 50%;
  background: var(--accent);
}
.modal__list--check li::before {
  content: "✓";
  width: auto; height: auto;
  margin-top: 0;
  border-radius: 0;
  background: none;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.85rem;
}

@media (max-width: 620px) {
  .modal__head, .modal__body { padding-inline: 1.25rem; }
  .proj-card { padding: 1.25rem; }
}

/* =============================================================
   EXPERIENCE TIMELINE
   ============================================================= */
.timeline { position: relative; padding-left: 2.5rem; }

.timeline__rail {
  position: absolute;
  left: 9px; top: 8px; bottom: 8px;
  width: 2px;
  background: var(--line);
  border-radius: 2px;
}
.timeline__rail i {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 0;
  border-radius: inherit;
  background: linear-gradient(180deg, var(--accent), var(--blue), var(--violet));
  box-shadow: 0 0 14px rgba(45, 226, 197, 0.6);
  will-change: height;
}

.tl-item { position: relative; padding-bottom: 2.75rem; }
.tl-item:last-child { padding-bottom: 0; }

.tl-item__node {
  position: absolute;
  left: -2.5rem;
  top: 6px;
  width: 20px; height: 20px;
  border-radius: 50%;
  border: 2px solid var(--line-strong);
  background: var(--bg);
  display: grid;
  place-items: center;
  transition: all 0.4s var(--ease);
}
.tl-item__node::after {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--text-3);
  transition: all 0.4s var(--ease);
}
.tl-item.is-in .tl-item__node { border-color: var(--accent-line); }
.tl-item.is-in .tl-item__node::after {
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}
.tl-item--current .tl-item__node::after { animation: pulse 2.2s infinite; }

.tl-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 1.4rem 1.5rem;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease),
              box-shadow 0.3s var(--ease);
}
.tl-card:hover {
  border-color: var(--accent-line);
  transform: translateX(5px);
  box-shadow: 0 18px 44px -28px rgba(45, 226, 197, 0.6);
}

.tl-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.7rem;
}
.tl-card__date {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 0.22rem 0.6rem;
  border-radius: 5px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
}
.tl-card__loc { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-3); }

.tl-card__role { font-size: 1.16rem; margin-bottom: 0.2rem; }
.tl-card__co {
  font-size: 0.92rem;
  color: var(--text-2);
  font-weight: 550;
  margin-bottom: 1rem;
}
.tl-card__co b { color: var(--blue); font-weight: 600; }

.tl-card__bullets { display: flex; flex-direction: column; gap: 0.6rem; margin-bottom: 1.1rem; }
.tl-card__bullets li {
  display: flex;
  gap: 0.7rem;
  color: var(--text-2);
  font-size: 0.9rem;
  line-height: 1.6;
}
.tl-card__bullets li::before {
  content: "▸";
  flex: none;
  color: var(--accent);
  font-size: 0.75rem;
  line-height: 1.9;
}

/* Collapse long bullet lists */
.tl-card__bullets.is-clamped li:nth-child(n + 4) { display: none; }
.tl-more {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 1rem;
}
.tl-more:hover { text-decoration: underline; }

@media (max-width: 620px) {
  .timeline { padding-left: 1.9rem; }
  .tl-item__node { left: -1.9rem; width: 16px; height: 16px; }
  .timeline__rail { left: 7px; }
  .tl-card { padding: 1.15rem 1.15rem; }
}

/* =============================================================
   CERTIFICATIONS
   ============================================================= */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 235px), 1fr));
  gap: 1rem;
  perspective: 1400px;
}

.cert {
  position: relative;
  padding: 1.4rem 1.25rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  overflow: hidden;
  isolation: isolate;
  transform-style: preserve-3d;
  transition: border-color 0.35s var(--ease), box-shadow 0.35s var(--ease),
              transform 0.15s var(--ease);
}

/* Holographic sheen that tracks the pointer */
.cert::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background:
    radial-gradient(18rem 18rem at var(--mx, 50%) var(--my, 50%),
      rgba(45, 226, 197, 0.20), transparent 45%),
    linear-gradient(120deg,
      transparent 20%,
      rgba(169, 123, 255, 0.16) 40%,
      rgba(91, 140, 255, 0.16) 55%,
      transparent 75%);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}

/* Shine sweep */
.cert::after {
  content: "";
  position: absolute;
  top: 0; left: -60%;
  width: 45%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,0.14), transparent);
  transform: skewX(-18deg);
  transition: left 0.75s var(--ease);
  pointer-events: none;
}

.cert:hover {
  border-color: var(--accent-line);
  box-shadow: 0 22px 52px -28px rgba(45, 226, 197, 0.65);
}
.cert:hover::before { opacity: 1; }
.cert:hover::after { left: 120%; }

.cert.is-hidden { display: none; }

.cert__abbr {
  font-family: var(--font-display);
  font-size: 1.32rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 0.45rem;
  transition: color 0.3s var(--ease);
}
.cert:hover .cert__abbr { color: var(--accent); }

.cert__name {
  font-size: 0.82rem;
  color: var(--text-2);
  line-height: 1.45;
  margin-bottom: 1rem;
  min-height: 2.9em;
}

.cert__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
}
.cert__issuer {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--text-3);
  letter-spacing: 0.03em;
}

.cert__seal {
  width: 26px; height: 26px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  color: var(--text-3);
  transition: all 0.35s var(--ease);
}
.cert__seal svg { width: 13px; height: 13px; }
.cert:hover .cert__seal {
  color: var(--accent);
  border-color: var(--accent);
  transform: rotate(360deg);
}

/* Elite tier — gold-ish top edge */
.cert--elite { background: linear-gradient(170deg, rgba(45,226,197,0.05), var(--surface) 45%); }
.cert--elite .cert__abbr {
  background: linear-gradient(100deg, var(--accent), var(--blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.cert--elite::before { opacity: 0.25; }

.cert__tier {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--blue), transparent);
}

/* Education inline cards */
.edu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 1rem;
  margin-top: 2.5rem;
}
.edu {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.2rem 1.35rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: all 0.3s var(--ease);
}
.edu:hover { border-color: var(--accent-line); transform: translateY(-3px); }
.edu__ico {
  width: 36px; height: 36px;
  flex: none;
  display: grid; place-items: center;
  border-radius: 10px;
  background: var(--blue-soft);
  border: 1px solid rgba(91,140,255,0.3);
  color: var(--blue);
}
.edu__ico svg { width: 17px; height: 17px; }
.edu__degree { font-size: 0.95rem; font-weight: 600; margin-bottom: 0.25rem; }
.edu__school { font-size: 0.84rem; color: var(--text-2); }
.edu__date {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-3);
  margin-top: 0.35rem;
}

/* =============================================================
   BLOG
   ============================================================= */
.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
  gap: 1.35rem;
}

.post-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1.6rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--surface);
  overflow: hidden;
  transition: border-color 0.35s var(--ease), transform 0.35s var(--ease),
              box-shadow 0.35s var(--ease);
}
.post-card::after {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--blue));
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.45s var(--ease);
}
.post-card:hover {
  border-color: var(--accent-line);
  transform: translateY(-5px);
  box-shadow: 0 26px 60px -32px rgba(45, 226, 197, 0.6);
}
.post-card:hover::after { transform: scaleX(1); }

.post-card__meta {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-3);
  margin-bottom: 0.9rem;
}
.post-card__meta i { width: 3px; height: 3px; border-radius: 50%; background: var(--text-3); }

.post-card__title {
  font-size: 1.2rem;
  line-height: 1.3;
  margin-bottom: 0.65rem;
  transition: color 0.25s var(--ease);
}
.post-card:hover .post-card__title { color: var(--accent); }

.post-card__excerpt {
  color: var(--text-2);
  font-size: 0.91rem;
  margin-bottom: 1.25rem;
}

.post-card__foot {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}
.post-card__read {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  color: var(--accent);
}
.post-card__read svg { width: 14px; height: 14px; transition: transform 0.25s var(--ease); }
.post-card:hover .post-card__read svg { transform: translateX(4px); }

/* --- Article page --- */
.article { max-width: 74ch; margin-inline: auto; }

.article__head {
  padding-top: calc(var(--nav-h) + 4rem);
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 2.5rem;
}
.article__title {
  font-size: clamp(1.9rem, 5vw, 3rem);
  margin: 1rem 0 1.1rem;
}
.article__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  color: var(--text-3);
}

.article__body { font-size: 1.05rem; color: var(--text-2); line-height: 1.8; }
.article__body > * + * { margin-top: 1.4rem; }
.article__body h2 {
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  color: var(--text);
  margin-top: 2.75rem;
  padding-top: 0.5rem;
}
.article__body h3 {
  font-size: 1.12rem;
  color: var(--text);
  margin-top: 2rem;
}
.article__body strong { color: var(--text); font-weight: 600; }
.article__body a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.article__body ul, .article__body ol {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding-left: 0.25rem;
}
.article__body ul li { display: flex; gap: 0.75rem; }
.article__body ul li::before {
  content: "";
  flex: none;
  width: 5px; height: 5px;
  margin-top: 0.75rem;
  border-radius: 50%;
  background: var(--accent);
}
.article__body ol { counter-reset: n; }
.article__body ol li { display: flex; gap: 0.75rem; counter-increment: n; }
.article__body ol li::before {
  content: counter(n) ".";
  flex: none;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding-top: 0.15rem;
}

.article__body blockquote {
  margin: 2rem 0;
  padding: 1.15rem 1.5rem;
  border-left: 2px solid var(--accent);
  border-radius: 0 10px 10px 0;
  background: var(--accent-soft);
  color: var(--text);
  font-size: 1.02rem;
}

.article__body code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  padding: 0.15em 0.42em;
  border-radius: 5px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  color: var(--accent);
}
.article__body pre {
  padding: 1.2rem 1.35rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.65;
}
.article__body pre code { padding: 0; border: 0; background: none; color: var(--text-2); }

.article__foot {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

/* =============================================================
   CONTACT
   ============================================================= */
.contact {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-strong);
  background:
    radial-gradient(40rem 24rem at 15% 0%, rgba(45,226,197,0.10), transparent 60%),
    radial-gradient(38rem 24rem at 85% 100%, rgba(91,140,255,0.10), transparent 60%),
    var(--surface);
  padding: clamp(2.25rem, 6vw, 4rem);
  overflow: hidden;
  text-align: center;
}

.contact::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, #000, transparent 75%);
  opacity: 0.55;
  pointer-events: none;
}

.contact > * { position: relative; }

.contact__title { font-size: clamp(1.8rem, 4.5vw, 2.9rem); margin-bottom: 1rem; }
.contact__lede { color: var(--text-2); max-width: 48ch; margin-inline: auto; margin-bottom: 2rem; }
.contact .btn-row { justify-content: center; }

.contact__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.75rem;
  margin-top: 2.25rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}
.contact__links a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-2);
  transition: color 0.22s var(--ease);
}
.contact__links a:hover { color: var(--accent); }
.contact__links svg { width: 15px; height: 15px; }

/* =============================================================
   PAGE HEADER (projects.html / blog.html)
   ============================================================= */
.page-head {
  padding-top: calc(var(--nav-h) + clamp(3.5rem, 9vh, 6rem));
  padding-bottom: clamp(2rem, 5vh, 3.5rem);
}
.page-head__title { font-size: clamp(2.2rem, 6vw, 3.8rem); margin-bottom: 1rem; }
.page-head__lede { color: var(--text-2); font-size: clamp(1rem, 1.8vw, 1.12rem); max-width: 56ch; }

/* =============================================================
   MOBILE REFINEMENTS
   ============================================================= */
@media (hover: none), (pointer: coarse), (max-width: 880px) {
  /* Filter pills sit at 37px tall on the desktop scale — under the 44px
     touch minimum, and they're the primary control on two pages. */
  .filter {
    min-height: 44px;
    padding: 0.7rem 1.05rem;
  }

  /* Defined at 36px earlier in this file, so the override belongs here
     rather than in core.css, which the cascade would let this beat. */
  .modal__close { width: 44px; height: 44px; }

  /* Email and phone are the two things a visitor on a phone is most likely
     to tap, and they were 20px tall. */
  .contact__links a { min-height: 44px; }
  .contact__links   { gap: 0.75rem 1.75rem; }
}

@media (max-width: 880px) {
  /* Mono labels shrink below legibility at phone and tablet width. */
  .stat__l         { font-size: 0.72rem; }
  .proj-card__idx  { font-size: 0.76rem; }
  .proj-card__sub  { font-size: 0.78rem; }
  .cert__issuer    { font-size: 0.7rem; }
  .tl-card__loc,
  .tl-card__date   { font-size: 0.74rem; }
  .post-card__meta { font-size: 0.74rem; }
  .article__meta   { font-size: 0.78rem; }
  .console__row    { font-size: 0.8rem; }
  .edu__date       { font-size: 0.72rem; }
  .filter          { font-size: 0.78rem; }

  /* Three metric columns get tight; ease the label and let it wrap. */
  .proj-metric        { padding: 0.65rem 0.35rem; }
  .proj-metric b      { font-size: 0.92rem; }
  .proj-metric span   { font-size: 0.66rem; letter-spacing: 0.02em; line-height: 1.35; }

  /* Give the console key/value rows room to stack rather than squeeze. */
  .console__k { min-width: 0; }

  .portrait__tag span { font-size: 0.7rem; }
  .portrait__tag b    { font-size: 0.9rem; }
}

/* Empty state */
.empty {
  padding: 4rem 1rem;
  text-align: center;
  color: var(--text-3);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
}
.empty b { display: block; color: var(--text-2); margin-bottom: 0.4rem; font-size: 1.05rem; }