/* ============================================================
   Joseph Alfartosy — Portfolio v3
   Dark cinematic theme · Space Grotesk + JetBrains Mono
   ============================================================ */

:root {
  --bg: #0a0a0f;
  --bg-soft: #101018;
  --surface: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.09);
  --text: #e8e8f0;
  --text-dim: #9a9ab0;
  --accent: #6c5ce7;
  --accent-2: #00d2ff;
  --accent-3: #ff4d8d;
  --grad: linear-gradient(120deg, var(--accent-2), var(--accent) 50%, var(--accent-3));
  --font-body: "Space Grotesk", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-expo: cubic-bezier(0.87, 0, 0.13, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
  line-height: 1.6;
}

::selection { background: var(--accent); color: #fff; }

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
kbd {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 0.15rem 0.4rem;
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-dim);
}

/* custom scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--accent), var(--accent-3));
  border-radius: 6px;
  border: 2px solid var(--bg);
}

/* glow vignette over everything */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 3;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(108, 92, 231, 0.08), transparent 60%),
    radial-gradient(ellipse at 80% 100%, rgba(255, 77, 141, 0.05), transparent 55%);
}

/* party mode! */
body.party { animation: party-hue 3s linear infinite; }
@keyframes party-hue { to { filter: hue-rotate(360deg); } }

/* ============ Preloader ============ */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
.preloader__curtain {
  position: absolute;
  top: 0; bottom: 0;
  width: 50.5%;
  background: #07070b;
  transition: transform 0.9s var(--ease-expo);
}
.preloader__curtain--l { left: 0; transform-origin: left; }
.preloader__curtain--r { right: 0; transform-origin: right; }
.preloader--done .preloader__curtain--l { transform: translateX(-101%); }
.preloader--done .preloader__curtain--r { transform: translateX(101%); }
.preloader__center {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  width: min(320px, 74vw);
  transition: opacity 0.3s;
}
.preloader--done .preloader__center { opacity: 0; }
.preloader__name {
  font-size: clamp(1.8rem, 5.5vw, 3rem);
  font-weight: 700;
  letter-spacing: 0.14em;
  min-height: 1.3em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-family: var(--font-mono);
}
.preloader__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.preloader__pct { color: var(--accent-2); font-size: 0.95rem; }
.preloader__bar {
  height: 2px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
}
.preloader__bar-fill {
  height: 100%;
  width: 0%;
  background: var(--grad);
}

/* ============ Custom cursor ============ */
.cursor, .cursor-dot {
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 99;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
.cursor {
  width: 36px; height: 36px;
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  transition: width 0.25s, height 0.25s, border-color 0.25s, background 0.25s;
  display: grid;
  place-items: center;
}
.cursor--hover {
  width: 60px; height: 60px;
  border-color: var(--accent-2);
  background: rgba(0, 210, 255, 0.08);
}
.cursor--label {
  width: 74px; height: 74px;
  border-color: var(--accent-3);
  background: rgba(255, 77, 141, 0.12);
  backdrop-filter: blur(2px);
}
.cursor__label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  opacity: 0;
  transition: opacity 0.2s;
  white-space: nowrap;
}
.cursor--label .cursor__label { opacity: 1; }
.cursor-dot {
  width: 5px; height: 5px;
  background: var(--accent-2);
}
@media (hover: none), (pointer: coarse) {
  .cursor, .cursor-dot { display: none; }
}

/* ============ Canvases / orbs / progress ============ */
#bg-canvas { position: fixed; inset: 0; z-index: 0; }
#fx-canvas { position: fixed; inset: 0; z-index: 60; pointer-events: none; }

.orbs { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.35;
  will-change: transform;
}
.orb--1 { width: 420px; height: 420px; background: #2d1e7a; top: 8%; left: -6%; }
.orb--2 { width: 360px; height: 360px; background: #0a4b63; top: 60%; right: -8%; }
.orb--3 { width: 300px; height: 300px; background: #5c1440; top: 130%; left: 22%; }

.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: var(--grad);
  z-index: 50;
}

/* ============ Nav ============ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem clamp(1.25rem, 5vw, 4rem);
  transition: background 0.4s, backdrop-filter 0.4s, border-color 0.4s, padding 0.4s, transform 0.4s;
  border-bottom: 1px solid transparent;
}
.nav--scrolled {
  background: rgba(10, 10, 15, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
  padding-top: 0.7rem;
  padding-bottom: 0.7rem;
}
.nav--hidden { transform: translateY(-100%); }
.nav__logo, .footer__logo {
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.02em;
  font-family: var(--font-mono);
}
.nav__logo-dot { color: var(--accent-2); }
.nav__links { display: flex; gap: 2rem; }
.nav__link {
  font-size: 0.92rem;
  color: var(--text-dim);
  transition: color 0.25s;
  position: relative;
  font-family: var(--font-mono);
}
.nav__link-num { font-size: 0.7rem; color: var(--accent-2); margin-right: 0.15rem; }
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -5px;
  width: 100%;
  height: 1.5px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s var(--ease-out);
}
.nav__link:hover, .nav__link--active { color: var(--text); }
.nav__link:hover::after, .nav__link--active::after {
  transform: scaleX(1);
  transform-origin: left;
}
.nav__right { display: flex; align-items: center; gap: 1rem; }
.nav__palette-hint {
  display: flex;
  gap: 0.25rem;
  padding: 0.35rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.nav__palette-hint:hover { border-color: var(--accent-2); box-shadow: 0 0 14px rgba(0, 210, 255, 0.25); }
.nav__cta {
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.5rem 1.15rem;
  border: 1px solid var(--accent);
  border-radius: 999px;
  color: var(--text);
  transition: background 0.3s, box-shadow 0.3s;
}
.nav__cta:hover {
  background: rgba(108, 92, 231, 0.18);
  box-shadow: 0 0 24px rgba(108, 92, 231, 0.45);
}
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 0.5rem;
  z-index: 46;
}
.nav__burger span {
  width: 26px; height: 2px;
  background: var(--text);
  transition: transform 0.35s var(--ease-out), opacity 0.3s;
}
body.menu-open .nav__burger span:nth-child(1) { transform: translateY(4px) rotate(45deg); }
body.menu-open .nav__burger span:nth-child(2) { transform: translateY(-4px) rotate(-45deg); }

/* ============ Mobile menu ============ */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 45;
  background: rgba(8, 8, 12, 0.96);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 clamp(2rem, 10vw, 4rem);
  clip-path: circle(0% at calc(100% - 3rem) 2.4rem);
  visibility: hidden;
  transition: clip-path 0.7s var(--ease-expo), visibility 0.7s;
}
body.menu-open .mobile-menu {
  clip-path: circle(150% at calc(100% - 3rem) 2.4rem);
  visibility: visible;
}
.mobile-menu__list { display: flex; flex-direction: column; gap: 1.4rem; }
.mobile-menu__link {
  font-size: clamp(2rem, 9vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  display: flex;
  align-items: baseline;
  gap: 1rem;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out), color 0.3s;
}
.mobile-menu__link:hover { color: var(--accent-2); }
.mobile-menu__link span {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-2);
}
body.menu-open .mobile-menu__link { opacity: 1; transform: none; }
body.menu-open .mobile-menu__link:nth-child(1) { transition-delay: 0.25s; }
body.menu-open .mobile-menu__list li:nth-child(1) .mobile-menu__link { transition-delay: 0.22s; }
body.menu-open .mobile-menu__list li:nth-child(2) .mobile-menu__link { transition-delay: 0.3s; }
body.menu-open .mobile-menu__list li:nth-child(3) .mobile-menu__link { transition-delay: 0.38s; }
body.menu-open .mobile-menu__list li:nth-child(4) .mobile-menu__link { transition-delay: 0.46s; }
.mobile-menu__footer {
  display: flex;
  gap: 1.6rem;
  margin-top: 3rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-dim);
}
.mobile-menu__footer a:hover { color: var(--accent-2); }

/* ============ Command palette ============ */
.palette {
  position: fixed;
  inset: 0;
  z-index: 70;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 14vh;
}
.palette--open { display: flex; }
.palette__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 5, 9, 0.7);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.palette__panel {
  position: relative;
  width: min(560px, 92vw);
  background: #101018;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(108, 92, 231, 0.15), 0 0 60px rgba(108, 92, 231, 0.12);
  animation: palette-in 0.25s var(--ease-out);
}
@keyframes palette-in {
  from { opacity: 0; transform: translateY(-14px) scale(0.98); }
}
.palette__search {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.95rem 1.1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
}
.palette__search input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
}
.palette__list { max-height: 320px; overflow-y: auto; padding: 0.45rem; }
.palette__item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 0.85rem;
  border-radius: 9px;
  cursor: pointer;
  color: var(--text-dim);
  font-size: 0.93rem;
}
.palette__item svg { flex-shrink: 0; }
.palette__item--active {
  background: rgba(108, 92, 231, 0.16);
  color: var(--text);
}
.palette__item-hint {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-dim);
  opacity: 0.7;
}
.palette__empty {
  padding: 1.4rem;
  text-align: center;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.palette__footer {
  display: flex;
  gap: 1.3rem;
  padding: 0.6rem 1.1rem;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-dim);
}
.palette__footer span { display: flex; align-items: center; gap: 0.3rem; }

/* ============ Layout helpers ============ */
main { position: relative; z-index: 1; }

.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: clamp(5rem, 12vh, 9rem) clamp(1.25rem, 5vw, 3rem);
}
.section__header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: clamp(2.5rem, 6vh, 4.5rem);
}
.section__num {
  font-family: var(--font-mono);
  color: var(--accent-2);
  font-size: 1rem;
}
.section__title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.section__rule {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.1s 0.3s var(--ease-out);
}
.reveal--visible .section__rule { transform: scaleX(1); }
.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* reveal-on-scroll */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.reveal--visible { opacity: 1; transform: none; }

/* split-letter animation */
.split-letter {
  display: inline-block;
  transform: translateY(115%);
  animation: letter-rise 0.7s var(--ease-out) forwards;
  animation-delay: var(--d, 0s);
}
@keyframes letter-rise { to { transform: translateY(0); } }

/* ============ Hero ============ */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  max-width: 1120px;
  margin: 0 auto;
  padding: 7rem clamp(1.25rem, 5vw, 3rem) 4rem;
}
.hero__eyebrow {
  font-family: var(--font-mono);
  color: var(--accent-2);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.hero__eyebrow-line { width: 48px; height: 1px; background: var(--accent-2); }
.hero__title {
  font-size: clamp(3.2rem, 11vw, 7.5rem);
  line-height: 1.02;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  /* mouse spotlight */
  --sx: 50%; --sy: 50%;
}
.hero__title-line { display: block; overflow: hidden; padding-bottom: 0.08em; }
.hero__title-word { display: inline-block; }
.hero__title-word--outline .split-letter,
.hero__title-word--outline {
  color: transparent;
  -webkit-text-stroke: 2px rgba(232, 232, 240, 0.85);
}
.hero__title-word--outline:hover .split-letter {
  animation-name: letter-rise; /* keep rise */
}
.hero__title-word .split-letter { transition: color 0.3s, -webkit-text-stroke-color 0.3s, transform 0.3s; }
.hero__title-word--outline .split-letter:hover {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-stroke-color: transparent;
}
.hero__title-word:not(.hero__title-word--outline) .split-letter:hover {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__role {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.4vw, 1.35rem);
  margin-bottom: 1.5rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 1.8em;
}
.hero__role-dynamic { color: var(--text); font-weight: 500; }
.hero__role-caret {
  width: 10px; height: 1.25em;
  background: var(--accent-2);
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.hero__para {
  max-width: 540px;
  color: var(--text-dim);
  font-size: 1.05rem;
  margin-bottom: 2.25rem;
}
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.5rem; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.85rem 1.7rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s;
}
.btn--primary {
  background: var(--grad);
  background-size: 160% 160%;
  color: #fff;
  box-shadow: 0 8px 32px rgba(108, 92, 231, 0.35);
  animation: grad-shift 5s ease infinite;
}
@keyframes grad-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.btn--primary:hover { box-shadow: 0 12px 44px rgba(108, 92, 231, 0.55); }
.btn--ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn--ghost:hover { border-color: var(--accent-2); background: rgba(0, 210, 255, 0.06); }

.hero__socials { display: flex; gap: 0.85rem; }
.hero__social {
  width: 44px; height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-dim);
  transition: color 0.3s, border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}
.hero__social:hover {
  color: var(--accent-2);
  border-color: var(--accent-2);
  box-shadow: 0 0 20px rgba(0, 210, 255, 0.35);
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}
.hero__scroll-mouse {
  width: 24px; height: 38px;
  border: 1.5px solid var(--text-dim);
  border-radius: 14px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}
.hero__scroll-wheel {
  width: 3px; height: 7px;
  border-radius: 2px;
  background: var(--accent-2);
  animation: wheel 1.6s ease-in-out infinite;
}
@keyframes wheel {
  0% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(12px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* ============ Marquee ============ */
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 1.1rem 0;
  background: rgba(255, 255, 255, 0.015);
  position: relative;
  z-index: 1;
}
.marquee__track {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  width: max-content;
  animation: marquee 28s linear infinite;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--text-dim);
  white-space: nowrap;
  will-change: transform;
  transition: none;
}
.marquee__track i { color: var(--accent); font-style: normal; font-size: 0.7rem; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ============ About ============ */
.about__grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.about__text p { color: var(--text-dim); margin-bottom: 1.25rem; font-size: 1.05rem; }
.about__text b { color: var(--text); }
.about__stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}
.about__stat {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: baseline;
  max-width: 140px;
}
.about__stat-num, .about__stat-plus {
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.about__stat-label {
  width: 100%;
  font-size: 0.8rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  margin-top: 0.3rem;
}
.about__skills-title {
  font-family: var(--font-mono);
  color: var(--accent-2);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 1.1rem;
}
.skills { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 2rem; }
.skill {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  padding: 0.45rem 0.95rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-dim);
  background: var(--surface);
  transition: transform 0.3s var(--ease-out), border-color 0.3s, color 0.3s, box-shadow 0.3s;
  cursor: default;
}
.skill:hover {
  transform: translateY(-4px) rotate(-1.5deg);
  border-color: var(--accent-2);
  color: var(--text);
  box-shadow: 0 6px 18px rgba(0, 210, 255, 0.2);
}

.about__terminal {
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: #0c0c14;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
.about__terminal-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0.6rem 0.9rem;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid var(--border);
}
.about__terminal-bar span {
  width: 11px; height: 11px;
  border-radius: 50%;
  background: #ff5f57;
}
.about__terminal-bar span:nth-child(2) { background: #febc2e; }
.about__terminal-bar span:nth-child(3) { background: #28c840; }
.about__terminal-bar p {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-left: auto;
  margin-right: auto;
}
.about__terminal-body {
  padding: 1.1rem 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.9;
  color: var(--text-dim);
  overflow-x: auto;
  min-height: 9.5em;
  white-space: pre-wrap;
}
.t-green { color: #28c840; }
.t-blue { color: var(--accent-2); }
.t-yellow { color: #febc2e; }
.t-caret { animation: blink 1s steps(1) infinite; color: var(--accent-2); }

/* ============ Research ============ */
.research-list {
  display: flex;
  flex-direction: column;
  gap: clamp(1.5rem, 4vh, 2.5rem);
}
.research-card {
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--surface);
  padding: clamp(1.5rem, 3.5vw, 2.5rem);
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  will-change: transform;
}
.research-card__head {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  margin-bottom: 1.1rem;
}
.research-card__icon {
  width: 54px; height: 54px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: var(--accent-2);
  background: rgba(0, 210, 255, 0.08);
  border: 1px solid rgba(0, 210, 255, 0.25);
}
.research-card:nth-child(2) .research-card__icon {
  color: #b8aef5;
  background: rgba(108, 92, 231, 0.12);
  border-color: rgba(108, 92, 231, 0.35);
}
.research-card__title {
  font-size: clamp(1.25rem, 2.6vw, 1.7rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}
.research-card__meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
}
.research-card__index {
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--accent-2);
  font-size: 0.85rem;
  align-self: flex-start;
}
.research-card__desc {
  color: var(--text-dim);
  max-width: 62ch;
  margin-bottom: 1.3rem;
}
.research-card__desc b { color: var(--text); }
.research-card .project-card__tags { margin-bottom: 0; }

/* ============ Certifications ============ */
.about__certs { margin-top: 2.4rem; }
.about__certs-title {
  font-family: var(--font-mono);
  color: var(--accent-2);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.9rem;
}
.certs { display: flex; flex-direction: column; gap: 0.55rem; }
.cert {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.92rem;
  color: var(--text-dim);
}
.cert__icon {
  color: var(--accent-3);
  font-size: 0.8rem;
  width: 22px; height: 22px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 77, 141, 0.35);
  border-radius: 6px;
  background: rgba(255, 77, 141, 0.08);
  flex-shrink: 0;
}

/* section lede */
.section__lede {
  color: var(--text-dim);
  font-size: 1.02rem;
  max-width: 56ch;
  margin: -1.8rem 0 2.6rem;
}

/* ============ Projects ============ */
.project-list {
  display: flex;
  flex-direction: column;
  gap: clamp(3rem, 8vh, 5.5rem);
}
.project-card {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  padding: clamp(1.25rem, 3vw, 2.25rem);
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--surface);
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  will-change: transform;
}
.project-card--flip { grid-template-columns: 1fr 1.15fr; }
.project-card--flip .project-card__media { order: 2; }
.project-card__glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s;
  background: radial-gradient(600px circle at var(--mx, 50%) var(--my, 50%), rgba(108, 92, 231, 0.15), transparent 45%);
}
.project-card__glare {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s;
  background: linear-gradient(105deg, transparent 40%, rgba(255, 255, 255, 0.045) 45%, rgba(255, 255, 255, 0.09) 50%, rgba(255, 255, 255, 0.045) 55%, transparent 60%);
  background-position: var(--glare-x, 50%) 0;
  background-size: 220% 100%;
}
.project-card:hover .project-card__glow,
.project-card:hover .project-card__glare { opacity: 1; }
.project-card__media {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  transform: translateZ(30px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}
.project-card__media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top;
  transition: transform 0.6s var(--ease-out), filter 0.6s;
  filter: saturate(0.85);
  will-change: transform;
}
.project-card:hover .project-card__media img {
  transform: scale(1.06) translateY(var(--py, 0px));
  filter: saturate(1.1);
}
.project-card__body { transform: translateZ(20px); }
.project-card__index {
  font-family: var(--font-mono);
  color: var(--accent-2);
  font-size: 0.85rem;
}
.project-card__title {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 700;
  margin: 0.4rem 0 0.8rem;
  letter-spacing: -0.01em;
}
.project-card__desc { color: var(--text-dim); margin-bottom: 1.2rem; }
.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.4rem;
}
.project-card__tags li {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  background: rgba(108, 92, 231, 0.14);
  border: 1px solid rgba(108, 92, 231, 0.35);
  color: #b8aef5;
  transition: background 0.3s, transform 0.3s;
}
.project-card__tags li:hover { background: rgba(108, 92, 231, 0.3); transform: translateY(-2px); }
.project-card__links { display: flex; gap: 1rem; }
.project-card__links a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dim);
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  transition: color 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.project-card__links a:hover {
  color: var(--accent-2);
  border-color: var(--accent-2);
  box-shadow: 0 0 18px rgba(0, 210, 255, 0.25);
}

/* ============ Mini cards (smaller builds) ============ */
.mini-title {
  font-family: var(--font-mono);
  color: var(--accent-2);
  font-size: 0.9rem;
  font-weight: 500;
  margin: clamp(3rem, 7vh, 4.5rem) 0 1.4rem;
}
.mini-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}
.mini-card {
  display: flex;
  flex-direction: column;
  padding: 1.4rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  transition: transform 0.35s var(--ease-out), border-color 0.35s, box-shadow 0.35s;
}
.mini-card:hover {
  transform: translateY(-6px);
  border-color: rgba(108, 92, 231, 0.55);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.45), 0 0 24px rgba(108, 92, 231, 0.15);
}
.mini-card__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}
.mini-card__icon {
  width: 42px; height: 42px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  color: var(--accent-2);
  background: rgba(0, 210, 255, 0.08);
  border: 1px solid rgba(0, 210, 255, 0.22);
}
.mini-card__arrow {
  color: var(--text-dim);
  transition: transform 0.3s var(--ease-out), color 0.3s;
}
.mini-card:hover .mini-card__arrow {
  transform: translate(3px, -3px);
  color: var(--accent-2);
}
.mini-card__title { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.45rem; }
.mini-card__desc {
  font-size: 0.88rem;
  color: var(--text-dim);
  margin-bottom: 1.1rem;
  flex: 1;
}
.mini-card__tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.mini-card__tags li {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  padding: 0.22rem 0.6rem;
  border-radius: 999px;
  background: rgba(108, 92, 231, 0.14);
  border: 1px solid rgba(108, 92, 231, 0.35);
  color: #b8aef5;
}

/* ============ Contact ============ */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.contact__headline {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 1.2rem;
}
.contact__para { color: var(--text-dim); margin-bottom: 2rem; }
.contact__email {
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: var(--accent-2);
  border-bottom: 1px dashed rgba(0, 210, 255, 0.4);
  padding-bottom: 2px;
  transition: border-color 0.3s;
  position: relative;
  text-align: left;
}
.contact__email:hover { border-bottom-style: solid; }
.contact__email-copied {
  position: absolute;
  top: -1.6em;
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  font-size: 0.7rem;
  color: #28c840;
  opacity: 0;
  transition: opacity 0.3s, transform 0.3s;
  white-space: nowrap;
}
.contact__email--copied .contact__email-copied { opacity: 1; transform: translateX(-50%) translateY(0); }
.contact__meta { display: flex; gap: 2.5rem; margin-top: 2.2rem; }
.contact__meta-item { display: flex; flex-direction: column; gap: 0.2rem; }
.contact__meta-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.contact__meta-value {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}
.pulse-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #28c840;
  position: relative;
}
.pulse-dot::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: #28c840;
  animation: pulse 2s ease-out infinite;
}
@keyframes pulse {
  from { transform: scale(1); opacity: 0.8; }
  to { transform: scale(3); opacity: 0; }
}

.contact__form { display: flex; flex-direction: column; gap: 1.4rem; }
.field { position: relative; }
.field__input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.1rem;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.98rem;
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.field__input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.2);
}
.field__input--area { min-height: 150px; resize: vertical; }
.field__label {
  position: absolute;
  left: 1rem;
  top: 1rem;
  color: var(--text-dim);
  font-size: 0.95rem;
  pointer-events: none;
  transition: transform 0.25s var(--ease-out), font-size 0.25s, color 0.25s, background 0.25s;
  padding: 0 0.3rem;
}
.field__input:focus + .field__label,
.field__input:not(:placeholder-shown) + .field__label {
  transform: translateY(-1.65rem);
  font-size: 0.72rem;
  color: var(--accent-2);
  background: var(--bg);
  border-radius: 4px;
}
.contact__submit { align-self: flex-start; }
.contact__submit[disabled] { opacity: 0.6; pointer-events: none; }
.contact__status {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  min-height: 1.4em;
}
.contact__status--ok { color: #28c840; }
.contact__status--err { color: var(--accent-3); }

/* ============ Mega CTA ============ */
.mega-cta {
  padding: clamp(4rem, 14vh, 9rem) clamp(1.25rem, 5vw, 3rem);
  text-align: center;
  overflow: hidden;
}
.mega-cta__link { display: inline-block; }
.mega-cta__line {
  display: block;
  font-size: clamp(2.6rem, 10vw, 7rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  transition: letter-spacing 0.5s var(--ease-out);
}
.mega-cta__line--outline {
  color: transparent;
  -webkit-text-stroke: 2px rgba(232, 232, 240, 0.7);
}
.mega-cta__link:hover .mega-cta__line { letter-spacing: 0.02em; }
.mega-cta__link:hover .mega-cta__line--outline {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-stroke-color: transparent;
}

/* ============ Footer ============ */
.footer {
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 1;
  background: rgba(255, 255, 255, 0.015);
}
.footer__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 2rem clamp(1.25rem, 5vw, 3rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.footer__note {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
}
.footer__secret {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: rgba(154, 154, 176, 0.4);
  transition: color 0.3s;
}
.footer__secret:hover { color: var(--accent-3); }
.footer__links { display: flex; gap: 1.5rem; }
.footer__links a {
  font-size: 0.85rem;
  color: var(--text-dim);
  transition: color 0.25s;
}
.footer__links a:hover { color: var(--accent-2); }

/* ============ Toast ============ */
.toast {
  position: fixed;
  bottom: 1.6rem;
  left: 50%;
  transform: translateX(-50%) translateY(160%);
  z-index: 80;
  background: #14141f;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.7rem 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.6);
  transition: transform 0.45s var(--ease-out);
  pointer-events: none;
  white-space: nowrap;
}
.toast--show { transform: translateX(-50%) translateY(0); }

/* ============ Responsive ============ */
@media (max-width: 880px) {
  .about__grid, .contact__grid { grid-template-columns: 1fr; }
  .mini-grid { grid-template-columns: 1fr; }
  .project-card, .project-card--flip { grid-template-columns: 1fr; }
  .project-card--flip .project-card__media { order: 0; }
  .nav__links, .nav__palette-hint, .nav__cta { display: none; }
  .nav__burger { display: flex; }
  .hero__scroll { display: none; }
}

/* ============ Reduced motion ============ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
  .split-letter { transform: none; animation: none; }
  .section__rule { transform: scaleX(1); }
}