/* ─────────────────────────────────────────────────
   Hero — full-bleed, cinematic, Apple-typographic
   ───────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-total);
  overflow: hidden;
  isolation: isolate;
}

.hero__bg {
  position: absolute;
  inset: -10%;
  z-index: -1;
  pointer-events: none;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  will-change: transform;
  mix-blend-mode: screen;
}

:root[data-theme="light"] .orb { mix-blend-mode: multiply; opacity: 0.5; }

.orb--1 {
  width: clamp(400px, 60vw, 820px);
  height: clamp(400px, 60vw, 820px);
  background: radial-gradient(circle at 30% 30%, var(--accent), transparent 65%);
  top: -22%;
  right: -14%;
  animation: orbitDrift 30s ease-in-out infinite;
  opacity: 0.55;
}

.orb--2 {
  width: clamp(300px, 50vw, 640px);
  height: clamp(300px, 50vw, 640px);
  background: radial-gradient(circle at 50% 50%, var(--accent-2), transparent 65%);
  bottom: -18%;
  left: -10%;
  animation: orbitDrift 38s ease-in-out infinite;
  animation-delay: -10s;
  opacity: 0.5;
}

.orb--3 {
  width: clamp(180px, 30vw, 400px);
  height: clamp(180px, 30vw, 400px);
  background: radial-gradient(circle at 50% 50%, var(--hue-pink), transparent 65%);
  top: 35%;
  left: 40%;
  animation: orbitDrift 44s ease-in-out infinite;
  animation-delay: -22s;
  opacity: 0.28;
}

.hero__grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--hairline) 1px, transparent 1px),
    linear-gradient(90deg, var(--hairline) 1px, transparent 1px);
  background-size: 60px 60px;
  background-position: 50% 50%;
  -webkit-mask-image: radial-gradient(60% 60% at 50% 50%, #000 0%, transparent 80%);
          mask-image: radial-gradient(60% 60% at 50% 50%, #000 0%, transparent 80%);
  opacity: 0.45;
}

.hero__content {
  position: relative;
  width: 100%;
  /* Top/bottom only — the element is also a .container, so the padding
     shorthand would wipe out its horizontal gutters. */
  padding-top: 5rem;
  padding-bottom: 6rem;
}

.hero__pill {
  margin-bottom: 1.75rem;
}

.hero__name {
  font-family: var(--font-display);
  font-size: var(--fs-display);
  letter-spacing: var(--tracking-tightest);
  line-height: 0.92;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--ink-0);
}

.hero__name .stack { display: block; }

.hero__name .grad {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 60%, var(--hue-pink) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero__sub {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.6vw, 2rem);
  font-weight: 500;
  letter-spacing: var(--tracking-tighter);
  color: var(--ink-1);
  max-width: 28ch;
  margin-bottom: 1rem;
  line-height: 1.15;
  min-height: 1.2em;
}

.hero__tagline {
  font-size: var(--fs-lead);
  color: var(--ink-2);
  max-width: 48ch;
  margin-bottom: 2.75rem;
  line-height: 1.5;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}

/* ─────────────────────────────────────────────────
   About
   ───────────────────────────────────────────────── */
.about__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.about__bio {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  font-size: var(--fs-lead);
  color: var(--ink-1);
  line-height: 1.55;
  margin-bottom: 2rem;
  max-width: 56ch;
}

.about__bio p:first-child {
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  color: var(--ink-0);
  letter-spacing: -0.012em;
  line-height: 1.45;
}

/* ─────────────────────────────────────────────────
   Featured project (hero showcase card)
   ───────────────────────────────────────────────── */
.feature-tile {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 0;
  border-radius: var(--r-xl);
  border: 1px solid var(--hairline);
  overflow: hidden;
  background:
    radial-gradient(90% 80% at 100% 0%, rgba(110,108,255,0.18) 0%, transparent 60%),
    linear-gradient(180deg, var(--surface-2), var(--surface-1));
  isolation: isolate;
  text-decoration: none;
  color: inherit;
  transition: transform var(--t-3) var(--ease), box-shadow var(--t-3) var(--ease);
  min-height: 460px;
}

.feature-tile:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.feature-tile__copy {
  padding: clamp(2rem, 4vw, 3.5rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.feature-tile__title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4.5vw, 3.5rem);
  font-weight: 600;
  letter-spacing: var(--tracking-tighter);
  line-height: 1.05;
  margin: 0.75rem 0 1rem;
}

.feature-tile__lead {
  font-size: var(--fs-lead);
  color: var(--ink-2);
  line-height: 1.5;
  margin-bottom: 1.5rem;
  max-width: 38ch;
}

.feature-tile__visual {
  position: relative;
  display: grid;
  place-items: center;
  background:
    radial-gradient(70% 70% at 50% 30%, rgba(110,108,255,0.18), transparent 70%),
    radial-gradient(70% 70% at 50% 90%, rgba(102,212,207,0.12), transparent 70%);
  overflow: hidden;
  min-height: 320px;
}

.feature-tile__device {
  position: relative;
  width: 78%;
  aspect-ratio: 9 / 19;
  max-height: 80%;
  border-radius: 36px;
  border: 1px solid var(--hairline-strong);
  background: linear-gradient(180deg, #15151c, #0a0a0e);
  box-shadow:
    0 30px 80px rgba(0,0,0,0.5),
    inset 0 0 0 4px rgba(255,255,255,0.02);
  overflow: hidden;
  transform: rotate(-6deg) translateY(20px);
  transition: transform 1.2s var(--ease);
}

.feature-tile:hover .feature-tile__device { transform: rotate(-3deg) translateY(0); }

.feature-tile__device::before {
  content: '';
  position: absolute;
  inset: 6px;
  border-radius: 30px;
  background:
    radial-gradient(70% 50% at 30% 20%, rgba(255,107,107,0.25), transparent 60%),
    radial-gradient(80% 60% at 80% 80%, rgba(110,108,255,0.25), transparent 60%),
    linear-gradient(180deg, #1a1a22, #0e0e14);
}

.feature-tile__device::after {
  content: 'AirMesh';
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--ink-0);
  font-size: 1.6rem;
  letter-spacing: -0.025em;
  background: linear-gradient(135deg, #ff6b6b, #6e6cff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

@media (max-width: 880px) {
  .feature-tile { grid-template-columns: 1fr; }
  .feature-tile__visual { min-height: 280px; }
}

/* ─────────────────────────────────────────────────
   Projects grid (homepage)
   ───────────────────────────────────────────────── */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.25rem, 2.4vw, 1.75rem);
}

@media (max-width: 720px) {
  .projects__grid { grid-template-columns: 1fr; }
}

/* ─────────────────────────────────────────────────
   Blog preview grid
   ───────────────────────────────────────────────── */
.blog-preview__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.25rem, 2.4vw, 1.75rem);
}

@media (max-width: 1024px) {
  .blog-preview__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .blog-preview__grid { grid-template-columns: 1fr; }
}

/* ─────────────────────────────────────────────────
   Contact (let's talk)
   ───────────────────────────────────────────────── */
.contact {
  position: relative;
  background: var(--surface-1);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  overflow: hidden;
  isolation: isolate;
}

.contact .halo { opacity: 0.6; }

.contact__inner {
  max-width: 760px;
  position: relative;
  z-index: 1;
}

.contact__heading {
  font-size: clamp(2.5rem, 6vw, 5rem);
  letter-spacing: var(--tracking-tightest);
  line-height: 1;
  margin-bottom: 1.5rem;
}

.contact__sub {
  color: var(--ink-2);
  font-size: var(--fs-lead);
  margin-bottom: 2.75rem;
  max-width: 52ch;
  line-height: 1.5;
}

.contact__email-block {
  display: inline-flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}

.contact__email-label {
  font-size: 0.78rem;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--ink-3);
}

.contact__email {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  font-weight: 500;
  letter-spacing: var(--tracking-tighter);
  color: var(--ink-0);
  position: relative;
  display: inline-block;
}

.contact__email::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-3) var(--ease);
}
.contact__email:hover::after { transform: scaleX(1); }

.contact__social {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
}

.contact__social a {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border: 1px solid var(--hairline-strong);
  border-radius: 50%;
  color: var(--ink-1);
  transition: all var(--t-1) var(--ease);
}

.contact__social svg { width: 18px; height: 18px; }
.contact__social a:hover {
  border-color: var(--ink-0);
  color: var(--surface-0);
  background: var(--ink-0);
  transform: translateY(-2px);
}

/* ─────────────────────────────────────────────────
   Quote section (signature manifesto block)
   ───────────────────────────────────────────────── */
.manifesto {
  padding: clamp(5rem, 10vw, 9rem) 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  background: var(--surface-0);
}

.manifesto__quote {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 3.25rem);
  font-weight: 500;
  letter-spacing: var(--tracking-tighter);
  line-height: 1.15;
  color: var(--ink-0);
  max-width: 22ch;
  margin: 0 auto;
  text-align: center;
}

.manifesto__quote em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.manifesto__attribution {
  margin-top: 2rem;
  font-size: 0.85rem;
  color: var(--ink-3);
  text-align: center;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
}

/* ─────────────────────────────────────────────────
   Section variant — alt surface
   ───────────────────────────────────────────────── */
.section--alt {
  background: var(--surface-1);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

/* ─────────────────────────────────────────────────
   AI chapter
   ───────────────────────────────────────────────── */
.ai {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.ai__halo {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(50% 50% at 85% 0%, var(--accent-soft) 0%, transparent 60%),
    radial-gradient(40% 40% at 10% 100%, rgba(102,212,207,0.12) 0%, transparent 60%);
}

.ai__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.25rem, 2.4vw, 1.75rem);
  margin-top: 1rem;
}

.ai-card {
  position: relative;
  padding: 2rem;
  border-radius: var(--r-lg);
  border: 1px solid var(--hairline);
  background: linear-gradient(180deg, var(--surface-2), var(--surface-1));
  transition: transform var(--t-2) var(--ease), border-color var(--t-2) var(--ease), box-shadow var(--t-3) var(--ease);
}

.ai-card:hover {
  transform: translateY(-4px);
  border-color: var(--hairline-strong);
  box-shadow: var(--shadow-md);
}

.ai-card__tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.3rem 0.7rem;
  border-radius: var(--r-pill);
  margin-bottom: 1.1rem;
}

.ai-card--team .ai-card__tag { color: var(--accent-2); background: rgba(102,212,207,0.16); }
.ai-card--build .ai-card__tag { color: var(--life-accent); background: rgba(255,138,107,0.16); }

.ai-card h3 {
  font-family: var(--font-display);
  font-size: var(--fs-h5);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  margin-bottom: 0.65rem;
  color: var(--ink-0);
}

.ai-card p {
  font-size: 0.98rem;
  color: var(--ink-2);
  line-height: 1.55;
}

.ai__note {
  position: relative;
  margin: clamp(2.5rem, 5vw, 3.5rem) auto 0;
  max-width: 760px;
  padding-left: 1.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.2vw, 1.6rem);
  font-weight: 500;
  letter-spacing: var(--tracking-tight);
  line-height: 1.4;
  color: var(--ink-1);
}

.ai__note-mark {
  position: absolute;
  left: 0; top: 0.1em; bottom: 0.1em;
  width: 3px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
}

@media (max-width: 880px) {
  .ai__grid { grid-template-columns: 1fr; }
}

/* ─────────────────────────────────────────────────
   Projects — group titles + new tiles
   ───────────────────────────────────────────────── */
.projects__group-title {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--ink-3);
  margin: clamp(2.5rem, 5vw, 3.5rem) 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.projects__group-title:first-of-type { margin-top: 0.5rem; }

.projects__group-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--hairline);
}

.tile--grove   { --tile-chip: #5fa566; --tile-glow: rgba(95,165,102,0.16); --tile-edge: rgba(95,165,102,0.34); --tile-edge-2: rgba(139,180,106,0.22); }
.tile--samara  { --tile-chip: #cb8a45; --tile-glow: rgba(199,125,60,0.15); --tile-edge: rgba(199,125,60,0.34); --tile-edge-2: rgba(176,86,111,0.22); }
.tile--sutra   { --tile-chip: #3d7df6; --tile-glow: rgba(61,125,246,0.16); --tile-edge: rgba(61,125,246,0.35); --tile-edge-2: rgba(52,214,240,0.22); }
.tile--openscan { --tile-chip: #38bdf8; --tile-glow: rgba(56,189,248,0.15); --tile-edge: rgba(56,189,248,0.34); --tile-edge-2: rgba(99,102,241,0.22); }

.tile__badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--ink-2);
  background: var(--surface-elev);
  border: 1px solid var(--hairline-strong);
  padding: 0.25rem 0.6rem;
  border-radius: var(--r-pill);
}

.tile__icon--mono {
  color: var(--tile-chip, var(--accent));
  background: color-mix(in srgb, var(--tile-chip, var(--accent)) 12%, var(--surface-elev));
}

.tile__icon--mono svg { width: 26px; height: 26px; }

.tile--soon { cursor: default; }
.tile--soon:hover { transform: translateY(-4px); }

.tile__soon-tag {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--ink-3);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.tile__soon-tag::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--tile-chip, var(--accent));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--tile-chip, var(--accent)) 22%, transparent);
}

/* ─────────────────────────────────────────────────
   Skills
   ───────────────────────────────────────────────── */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.25rem, 2.4vw, 1.75rem);
}

.skillset {
  padding: 1.75rem;
  border-radius: var(--r-lg);
  border: 1px solid var(--hairline);
  background: linear-gradient(180deg, var(--surface-2), var(--surface-1));
}

.skillset--ai {
  grid-column: 1 / -1;
  background:
    radial-gradient(60% 120% at 100% 0%, var(--accent-soft) 0%, transparent 55%),
    linear-gradient(180deg, var(--surface-2), var(--surface-1));
}

.skillset__title {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 1.1rem;
}

.skillset__tags {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skillset__tags li {
  font-size: 0.88rem;
  color: var(--ink-1);
  background: var(--surface-elev);
  border: 1px solid var(--hairline);
  padding: 0.4rem 0.85rem;
  border-radius: var(--r-pill);
  transition: border-color var(--t-1) var(--ease), color var(--t-1) var(--ease);
}

.skillset__tags li:hover { border-color: var(--accent); color: var(--ink-0); }

@media (max-width: 720px) {
  .skills__grid { grid-template-columns: 1fr; }
}

/* ─────────────────────────────────────────────────
   Education & Publications
   ───────────────────────────────────────────────── */
.edu__layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2.5rem, 6vw, 5rem);
}

.edu__col .section__eyebrow { display: block; margin-bottom: 1.75rem; }

.edu__list, .pub__list {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.edu__item { padding-bottom: 1.5rem; border-bottom: 1px solid var(--hairline); }
.edu__item:last-child { padding-bottom: 0; border-bottom: 0; }

.edu__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.edu__head h3 {
  font-family: var(--font-display);
  font-size: var(--fs-h6);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  color: var(--ink-0);
}

.edu__year {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  color: var(--ink-3);
}

.edu__org { font-size: 0.95rem; color: var(--ink-2); margin-top: 0.4rem; }
.edu__org a { color: var(--accent); }

.pub__item {
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  background: var(--surface-2);
  transition: border-color var(--t-2) var(--ease), transform var(--t-2) var(--ease);
}

.pub__item:hover { border-color: var(--hairline-strong); transform: translateY(-2px); }

.pub__link { display: block; padding: 1.35rem 1.5rem; text-decoration: none; color: inherit; }

.pub__link h3 {
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  line-height: 1.4;
  color: var(--ink-0);
  margin-bottom: 0.55rem;
}

.pub__meta {
  font-size: 0.82rem;
  color: var(--ink-3);
  font-family: var(--font-mono);
}

.pub__arrow { color: var(--accent); font-family: var(--font-text); }

@media (max-width: 880px) {
  .edu__layout { grid-template-columns: 1fr; gap: clamp(2.5rem, 6vw, 3rem); }
}