/* ============================================================
   Jeslur Rahman - Portfolio
   Design: dark "AI-era engineer" theme, terminal warmth, mint signal
   ============================================================ */

:root {
  --bg: #0b0e13;
  --bg-raised: #11151d;
  --bg-card: #131823;
  --line: #1f2735;
  --text: #dbe2ee;
  --text-dim: #8b95a7;
  --text-faint: #5b6678;
  --accent: #64f4ac;
  --accent-dim: rgba(100, 244, 172, 0.12);
  --accent-2: #7c8aff;
  --gradient: linear-gradient(120deg, #64f4ac 0%, #5ad7e6 50%, #7c8aff 100%);
  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;
  --nav-h: 72px;
  --radius: 14px;
  --shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.7);
}

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

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 16px); }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: #06281a; }

.mono { font-family: var(--font-mono); }
.container { width: min(1120px, 92%); margin-inline: auto; }
.accent { color: var(--accent); }
.accent-gradient {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

a { color: var(--accent); text-decoration: none; transition: opacity 0.2s; }
a:hover { opacity: 0.85; }

/* ---------- background canvas ---------- */
#neural-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.55;
}

/* ---------- ambient orbs (parallax on scroll) ---------- */
.orbs {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(95px);
  opacity: 0.32;
  will-change: transform;
}
.orb--1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(100, 244, 172, 0.55), transparent 70%);
  top: -12%; left: -10%;
}
.orb--2 {
  width: 620px; height: 620px;
  background: radial-gradient(circle, rgba(124, 138, 255, 0.5), transparent 70%);
  top: 28%; right: -14%;
}
.orb--3 {
  width: 460px; height: 460px;
  background: radial-gradient(circle, rgba(90, 215, 230, 0.45), transparent 70%);
  bottom: -14%; left: 26%;
}
.orb--4 {
  width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(255, 212, 121, 0.28), transparent 70%);
  top: 58%; left: -8%;
}

/* ---------- scroll progress ---------- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  z-index: 200;
  background: transparent;
}
.scroll-progress span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--gradient);
  transition: width 0.1s linear;
}

/* ---------- nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  backdrop-filter: blur(14px);
  background: rgba(11, 14, 19, 0.72);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s, transform 0.35s ease;
}
.nav.scrolled { border-bottom-color: var(--line); background: rgba(11, 14, 19, 0.9); }
.nav.nav--hidden { transform: translateY(-100%); }

.nav__inner {
  width: min(1240px, 94%);
  margin-inline: auto;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav__logo {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.02em;
}
.logo-bracket { color: var(--accent); }

.nav__links {
  display: flex;
  gap: 8px;
  margin-left: auto;
}
.nav__links a {
  position: relative;
  color: var(--text-dim);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 8px 13px;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 13px;
  right: 13px;
  bottom: 3px;
  height: 2px;
  border-radius: 2px;
  background: var(--gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.28s ease;
}
.nav__links a:hover, .nav__links a.active {
  color: var(--text);
  opacity: 1;
  background: rgba(255, 255, 255, 0.04);
}
.nav__links a:hover::after, .nav__links a.active::after { transform: scaleX(1); }

.nav__cta { margin-left: 4px; }
.nav__burger {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
}
.nav__burger span {
  width: 22px; height: 2px;
  background: var(--accent);
  transition: transform 0.3s, opacity 0.3s;
}
.nav__burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 26px;
  border-radius: 10px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, border-color 0.2s;
}
.btn--primary {
  background: var(--accent);
  color: #06281a;
  font-weight: 700;
}
.btn--primary:hover {
  opacity: 1;
  transform: translateY(-2px);
  box-shadow: 0 12px 32px -10px rgba(100, 244, 172, 0.45);
}
.btn--ghost {
  border-color: var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
}
.btn--ghost:hover {
  opacity: 1;
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.btn--lg { padding: 16px 34px; font-size: 0.95rem; }

.btn--rocket { gap: 9px; }
.btn--rocket svg { transition: transform 0.3s ease; }
.btn--rocket:hover svg { transform: translate(2px, -2px) rotate(8deg); }

/* hire me: pill shape, animated gradient + glow + shine sweep */
.btn--hire {
  position: relative;
  overflow: hidden;
  gap: 10px;
  color: #ffffff;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.45);
  border: 0;
  border-radius: 999px;
  padding: 14px 32px;
  background: linear-gradient(120deg, #00d084, #00b3d6, #8a5cff, #00b3d6, #00d084);
  background-size: 280% 280%;
  animation: hire-gradient 5s ease infinite, hire-glow 2.6s ease-in-out infinite;
}
.btn--hire svg { filter: drop-shadow(0 1px 6px rgba(0, 0, 0, 0.4)); }
@keyframes btn-spin { to { transform: rotate(360deg); } }
.btn--hire.is-loading svg { animation: btn-spin 0.7s linear infinite; }
.btn--hire:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 14px 44px -8px rgba(0, 208, 132, 0.65);
}
.btn--hire::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: -70px;
  width: 48px;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.6), transparent);
  transform: skewX(-20deg);
  animation: hire-shine 3.4s ease-in-out infinite;
}
.btn--hire svg { position: relative; transition: transform 0.3s ease; }
.btn--hire:hover svg { transform: translate(3px, -3px) rotate(8deg); }
@keyframes hire-gradient {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
@keyframes hire-glow {
  0%, 100% { box-shadow: 0 0 26px -8px rgba(100, 244, 172, 0.55); }
  50% { box-shadow: 0 0 42px -6px rgba(124, 138, 255, 0.65); }
}
@keyframes hire-shine {
  0%, 55% { left: -70px; }
  100% { left: calc(100% + 50px); }
}

/* flying rocket (hero hire me) */
.fly-rocket {
  position: fixed;
  z-index: 300;
  line-height: 1;
  pointer-events: none;
  filter: drop-shadow(0 6px 18px rgba(100, 244, 172, 0.55));
}
.fly-rocket svg { display: block; }
.fly-rocket.landed { animation: rocket-land 0.85s ease forwards; }
@keyframes rocket-land {
  0% { transform: translate(-50%, -50%) rotate(-45deg) scale(1); }
  35% { transform: translate(-50%, -50%) rotate(-45deg) scale(1.4); }
  100% { transform: translate(-50%, -50%) rotate(-45deg) scale(0.5); opacity: 0; }
}
.rocket-spark {
  position: fixed;
  z-index: 299;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #ffd479;
  box-shadow: 0 0 10px rgba(255, 212, 121, 0.8);
  pointer-events: none;
  transform: translate(-50%, -50%);
  animation: spark-fade 0.7s ease-out forwards;
}
@keyframes spark-fade {
  to { opacity: 0; transform: translate(-50%, 14px) scale(0.2); }
}
.rocket-ring {
  position: fixed;
  z-index: 299;
  width: 18px;
  height: 18px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%) scale(0.3);
  animation: ring-burst 0.75s ease-out forwards;
}
@keyframes ring-burst {
  to { transform: translate(-50%, -50%) scale(7); opacity: 0; }
}

/* ---------- hero ---------- */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--nav-h);
  position: relative;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
  position: relative;
  z-index: 1;
}

/* floating tech icons, fixed layer across the whole site */
.tech-icons {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: -1;
}
.tech-icon {
  position: absolute;
  opacity: 0;
  filter: drop-shadow(0 6px 18px rgba(0, 0, 0, 0.45));
  animation: icon-pop 4s ease forwards;
  will-change: transform, opacity;
}
@keyframes icon-pop {
  0% { opacity: 0; transform: translateY(18px) scale(0.3) rotate(var(--rot, 0deg)); }
  14% { opacity: 0.8; transform: translateY(0) scale(1.08) rotate(0deg); }
  24% { transform: scale(1); }
  72% { opacity: 0.75; }
  100% { opacity: 0; transform: translateY(-52px) scale(0.8); }
}
@property --ring-angle {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}
.hero__right {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
}
.hero__avatar {
  position: relative;
  width: 148px;
  height: 148px;
  border-radius: 50%;
  padding: 4px;
  background: conic-gradient(from var(--ring-angle), #64f4ac, #5ad7e6, #7c8aff, #5ad7e6, #64f4ac);
  animation: ring-spin 5s linear infinite;
  box-shadow: 0 0 34px -6px rgba(100, 244, 172, 0.35);
}
@keyframes ring-spin {
  to { --ring-angle: 360deg; }
}
.hero__avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--bg);
  display: block;
}
@keyframes avatar-turn {
  from { transform: perspective(700px) rotateY(0deg); }
  to { transform: perspective(700px) rotateY(360deg); }
}
.hero__avatar img.spin { animation: avatar-turn 1.1s cubic-bezier(0.5, 0, 0.3, 1); }
.hero__avatar:hover img { animation: avatar-turn 0.9s ease-in-out; }
.hero__avatar-status {
  position: absolute;
  bottom: 7px;
  right: 7px;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg);
  animation: pulse 2s ease-in-out infinite;
}

.hero__hello {
  color: var(--accent);
  font-size: 0.95rem;
  margin-bottom: 18px;
}
.hero__name {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 8vw, 5.6rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.03em;
}
.hero__role {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  font-weight: 500;
  color: var(--text-dim);
  margin-top: 18px;
  min-height: 1.4em;
}
.typed-wrap { color: var(--text); }
#typed {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.typed-caret {
  color: var(--accent);
  animation: blink 1s step-end infinite;
  font-weight: 400;
}
@keyframes blink { 50% { opacity: 0; } }
.cursor-blink { animation: blink 1.1s step-end infinite; }

.hero__bio {
  max-width: 540px;
  color: var(--text-dim);
  margin-top: 22px;
}
.hero__bio strong { color: var(--text); }

.hero__actions { display: flex; gap: 16px; margin-top: 34px; flex-wrap: wrap; }

.hero__social {
  display: flex;
  gap: 20px;
  list-style: none;
  margin-top: 36px;
}
.hero__social a {
  color: var(--text-faint);
  display: inline-flex;
  transition: color 0.2s, transform 0.2s;
}
.hero__social a:hover { color: var(--accent); transform: translateY(-3px); opacity: 1; }

/* terminal card */
.terminal {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transform: perspective(1200px) rotateY(-4deg) rotateX(2deg);
  transition: transform 0.5s ease;
}
.terminal:hover { transform: perspective(1200px) rotateY(0) rotateX(0); }
.terminal__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--bg-raised);
  border-bottom: 1px solid var(--line);
}
.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot--r { background: #ff5f57; }
.dot--y { background: #febc2e; }
.dot--g { background: #28c840; }
.terminal__title { margin-left: 10px; font-size: 0.74rem; color: var(--text-faint); }
.terminal__body {
  padding: 20px 22px;
  font-size: 0.82rem;
  line-height: 1.75;
  overflow-x: auto;
}
.t-cmd { color: var(--accent); }
.t-key { color: #7c8aff; }
.t-str { color: #ffd479; }
.t-num { color: #ff8a7a; }
.t-brace { color: var(--text-faint); }
.t-kw { color: #7c8aff; }
.t-fn { color: var(--accent); }

.hero__scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-faint);
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}
.hero__scroll-line {
  width: 1px; height: 48px;
  background: linear-gradient(var(--accent), transparent);
  animation: scroll-pulse 2s ease-in-out infinite;
}
@keyframes scroll-pulse { 50% { opacity: 0.3; transform: scaleY(0.7); transform-origin: top; } }

/* ---------- stats ---------- */
.stats { padding: 56px 0; border-block: 1px solid var(--line); background: rgba(17, 21, 29, 0.5); }
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat__num {
  display: block;
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  font-weight: 700;
  color: var(--accent);
}
.stat__label { color: var(--text-dim); font-size: 0.88rem; }

/* ---------- sections ---------- */
.section { padding: 110px 0; }
.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.5vw, 2.3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 48px;
}
.section__title::after {
  content: "";
  flex: 1;
  max-width: 280px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), var(--line));
  margin-left: 10px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.1s cubic-bezier(0.22, 1, 0.36, 1) 0.25s;
}
.section__title.visible::after { transform: scaleX(1); }
.section__index { color: var(--accent); font-size: 0.7em; font-weight: 400; }
.section__sub { color: var(--text-dim); margin: -28px 0 40px; }

/* ---------- about ---------- */
.about__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 56px;
  align-items: start;
}
.about__text p { color: var(--text-dim); margin-bottom: 18px; }
.about__text strong { color: var(--text); }
.about__highlights {
  list-style: none;
  margin-top: 26px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 24px;
  font-size: 0.84rem;
  color: var(--text-dim);
}
.about__highlights li::before { content: "▹ "; color: var(--accent); }

.about__card { display: flex; flex-direction: column; gap: 20px; }
.code-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 26px;
  font-size: 0.86rem;
  line-height: 1.9;
  color: var(--text-dim);
  box-shadow: var(--shadow);
}
.code-card__line { display: block; }
.code-card__line.ind { padding-left: 1.6em; }

.about__photo-frame {
  position: relative;
  border-radius: var(--radius);
  transform-style: preserve-3d;
  will-change: transform;
  transition: transform 0.18s ease-out;
}
.about__photo-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(255, 255, 255, 0.14), transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
  z-index: 1;
}
.about__photo-frame:hover::before { opacity: 1; }
.about__photo-frame img { transform: translateZ(26px); }
.about__photo-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  transform: translate(14px, 14px);
  z-index: -1;
  transition: transform 0.3s;
}
.about__photo-frame:hover::after { transform: translate(8px, 8px); }
.about__photo-placeholder {
  aspect-ratio: 1;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--bg-card), var(--bg-raised));
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
}
.about__photo-placeholder span {
  font-size: 4rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.about__photo-frame img {
  display: block;
  width: 100%;
  border-radius: var(--radius);
  filter: grayscale(35%) contrast(1.05);
  transition: filter 0.3s;
}
.about__photo-frame:hover img { filter: none; }

/* ---------- education ---------- */
.edu__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.edu-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  transition: transform 0.25s ease, border-color 0.25s, box-shadow 0.25s;
}
.edu-card:hover {
  transform: translateY(-6px);
  border-color: rgba(100, 244, 172, 0.35);
  box-shadow: var(--shadow);
}
.edu-card__icon {
  display: inline-grid;
  place-items: center;
  color: var(--accent);
  background: var(--accent-dim);
  border-radius: 12px;
  padding: 13px;
  margin-bottom: 18px;
}
.edu-card__icon--alt { color: var(--accent-2); background: rgba(124, 138, 255, 0.1); }
.edu-card__period { color: var(--accent); font-size: 0.78rem; letter-spacing: 0.05em; }
.edu-card__degree {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-top: 6px;
}
.edu-card__inst { color: var(--text-dim); font-size: 0.92rem; margin-top: 4px; margin-bottom: 6px; }

/* ---------- timeline ---------- */
.timeline {
  position: relative;
  padding-left: 36px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 8px; top: 6px; bottom: 6px;
  width: 1px;
  background: linear-gradient(var(--accent), var(--line) 40%, var(--line));
}
.timeline__item { position: relative; padding-bottom: 56px; }
.timeline__item:last-child { padding-bottom: 0; }
.timeline__marker {
  position: absolute;
  left: -36px; top: 6px;
  width: 17px; height: 17px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  display: grid;
  place-items: center;
}
.timeline__pulse {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(100, 244, 172, 0.5); }
  50% { box-shadow: 0 0 0 7px rgba(100, 244, 172, 0); }
}
.timeline__period { color: var(--accent); font-size: 0.8rem; letter-spacing: 0.05em; }
.timeline__role {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  margin-top: 6px;
}
.timeline__company { color: var(--accent); font-weight: 500; }
.timeline__location { color: var(--text-faint); font-size: 0.78rem; margin-top: 2px; }
.timeline__points {
  list-style: none;
  margin-top: 16px;
  color: var(--text-dim);
}
.timeline__points li { padding-left: 22px; position: relative; margin-bottom: 9px; }
.timeline__points li::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: var(--accent);
}
.timeline__points strong { color: var(--text); }

/* ---------- tags ---------- */
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.tags span {
  font-size: 0.72rem;
  padding: 4px 12px;
  border-radius: 99px;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(100, 244, 172, 0.18);
}
.tags--lg span { font-size: 0.8rem; padding: 7px 16px; }

/* ---------- projects ---------- */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.project {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, border-color 0.25s, box-shadow 0.25s;
}
.project:hover {
  transform: translateY(-7px);
  border-color: rgba(100, 244, 172, 0.35);
  box-shadow: var(--shadow);
}
.project--featured {
  grid-column: span 2;
  background: linear-gradient(135deg, rgba(100, 244, 172, 0.06), var(--bg-card) 55%);
}
.project__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}
.project__folder { color: var(--accent); }
.project__badge {
  font-size: 0.72rem;
  color: #ffd479;
  border: 1px solid rgba(255, 212, 121, 0.3);
  background: rgba(255, 212, 121, 0.08);
  padding: 5px 12px;
  border-radius: 99px;
}
.project__links { display: flex; gap: 14px; }
.project__links a { color: var(--text-faint); }
.project__links a:hover { color: var(--accent); opacity: 1; }
.project__name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 10px;
}
.project:hover .project__name { color: var(--accent); }
.project__desc { color: var(--text-dim); font-size: 0.92rem; flex: 1; }
.projects__more { text-align: center; margin-top: 44px; }

/* ---------- skills ---------- */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.skill-group {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  transition: border-color 0.25s;
}
.skill-group:hover { border-color: rgba(100, 244, 172, 0.3); }
.skill-group__title {
  color: var(--text-faint);
  font-size: 0.82rem;
  font-weight: 500;
  margin-bottom: 16px;
}

.certs {
  margin-top: 44px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.cert {
  display: flex;
  align-items: center;
  gap: 22px;
  background: linear-gradient(120deg, rgba(124, 138, 255, 0.08), var(--bg-card) 60%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 30px;
  flex-wrap: wrap;
  transition: transform 0.25s ease, border-color 0.25s;
}
.cert:hover { transform: translateY(-5px); border-color: rgba(124, 138, 255, 0.4); }
.cert__icon {
  color: var(--accent-2);
  background: rgba(124, 138, 255, 0.1);
  border-radius: 12px;
  padding: 14px;
  display: grid;
  place-items: center;
}
.cert__icon--ibm { color: #5ad7e6; background: rgba(90, 215, 230, 0.1); }
.cert__name { font-family: var(--font-display); font-size: 1.15rem; font-weight: 600; }
.cert__meta { color: var(--text-faint); font-size: 0.8rem; }
.cert__btn { margin-left: auto; }

/* ---------- writing ---------- */
.articles__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.article {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  color: var(--text);
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.article:hover {
  transform: translateY(-6px);
  border-color: rgba(100, 244, 172, 0.35);
  box-shadow: var(--shadow);
  opacity: 1;
}
.article__date { color: var(--text-faint); font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; }
.article__title {
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 600;
  line-height: 1.4;
  margin: 12px 0 10px;
}
.article:hover .article__title { color: var(--accent); }
.article__desc { color: var(--text-dim); font-size: 0.88rem; flex: 1; }
.article__cta { color: var(--accent); font-size: 0.78rem; margin-top: 18px; }

/* ---------- services ---------- */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.service {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.18s ease-out, border-color 0.25s, box-shadow 0.25s;
  transform-style: preserve-3d;
  will-change: transform;
}
.service::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(255, 255, 255, 0.09), transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.service:hover::after { opacity: 1; }
.service__icon, .service__name, .service__desc, .service__points {
  transform: translateZ(28px);
}

/* shared 3D tilt treatment for all cards */
.project, .article, .skill-group, .edu-card, .cert {
  position: relative;
  transform-style: preserve-3d;
  will-change: transform;
  transition: transform 0.18s ease-out, border-color 0.25s, box-shadow 0.25s;
}
.project::after, .article::after, .skill-group::after, .edu-card::after, .cert::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(255, 255, 255, 0.07), transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.project:hover::after, .article:hover::after, .skill-group:hover::after,
.edu-card:hover::after, .cert:hover::after { opacity: 1; }
.service::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}
.service:hover {
  transform: translateY(-7px);
  border-color: rgba(100, 244, 172, 0.35);
  box-shadow: var(--shadow);
}
.service:hover::before { transform: scaleX(1); }
.service__icon {
  display: inline-grid;
  place-items: center;
  width: 54px; height: 54px;
  border-radius: 14px;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(100, 244, 172, 0.2);
  margin-bottom: 20px;
  transition: transform 0.25s ease;
}
.service:hover .service__icon { transform: scale(1.08) rotate(-4deg); }
.service:nth-child(2) .service__icon { color: var(--accent-2); background: rgba(124, 138, 255, 0.1); border-color: rgba(124, 138, 255, 0.25); }
.service:nth-child(3) .service__icon { color: #5ad7e6; background: rgba(90, 215, 230, 0.1); border-color: rgba(90, 215, 230, 0.25); }
.service:nth-child(4) .service__icon { color: #ffd479; background: rgba(255, 212, 121, 0.08); border-color: rgba(255, 212, 121, 0.22); }
.service:nth-child(5) .service__icon { color: #ff8a7a; background: rgba(255, 138, 122, 0.08); border-color: rgba(255, 138, 122, 0.22); }
.service:nth-child(6) .service__icon { color: #e08aff; background: rgba(224, 138, 255, 0.08); border-color: rgba(224, 138, 255, 0.22); }
.service__name {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 600;
  margin-bottom: 10px;
}
.service__desc { color: var(--text-dim); font-size: 0.88rem; flex: 1; }
.service__points {
  list-style: none;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-size: 0.76rem;
  color: var(--text-dim);
}
.service__points li { margin-bottom: 7px; }
.service__points li::before { content: "▹ "; color: var(--accent); }

.services__cta {
  margin-top: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
  padding: 40px 44px;
  border-radius: var(--radius);
  border: 1px solid rgba(100, 244, 172, 0.25);
  background:
    radial-gradient(ellipse at top left, rgba(100, 244, 172, 0.1), transparent 55%),
    radial-gradient(ellipse at bottom right, rgba(124, 138, 255, 0.12), transparent 55%),
    var(--bg-card);
  box-shadow: var(--shadow);
}
.services__cta-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.services__cta-title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}
.services__cta-sub { color: var(--text-dim); margin-top: 8px; max-width: 520px; }

/* pulsing availability dot */
.pulse-dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
  animation: pulse 2s ease-in-out infinite;
}
.hero__availability {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--accent);
  border: 1px solid rgba(100, 244, 172, 0.25);
  background: var(--accent-dim);
  padding: 8px 16px;
  border-radius: 99px;
}

/* ---------- contact ---------- */
.section--contact { padding: 140px 0; }
.contact { text-align: center; max-width: 720px; }
.contact__index { color: var(--accent); font-size: 0.9rem; margin-bottom: 18px; }
.contact__title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5.5vw, 3.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.12;
}
.contact__text { color: var(--text-dim); margin: 26px auto 38px; max-width: 540px; }
.contact__actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.contact__phone { color: var(--text-faint); font-size: 0.82rem; margin-top: 34px; }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--line); padding: 30px 0; }
.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--text-faint);
}
.footer__inner strong { color: var(--text-dim); }
.footer__links { display: flex; gap: 22px; list-style: none; }
.footer__links a { color: var(--text-faint); }
.footer__links a:hover { color: var(--accent); }

/* ---------- reveal animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .typed-caret, .cursor-blink, .timeline__pulse, .hero__scroll-line { animation: none; }
  .terminal { transform: none; }
  #neural-bg { display: none; }
  .orb { display: none; }
  .section__title::after { transform: none; transition: none; }
  .hero__avatar, .hero__avatar-status, .pulse-dot { animation: none; }
  .hero__avatar img { animation: none !important; }
  .tech-icons { display: none; }
  .btn--hire, .btn--hire::before { animation: none; }
}

/* ---------- responsive ---------- */
@media (max-width: 1240px) {
  .nav__links { gap: 2px; }
  .nav__links a { padding: 8px 9px; font-size: 0.82rem; }
  .nav__links a::after { left: 9px; right: 9px; }
}
@media (max-width: 1024px) and (min-width: 761px) {
  .nav__cta { display: none; }
}
@media (max-width: 1024px) {
  .hero__grid { grid-template-columns: 1fr; gap: 48px; }
  .hero__terminal { max-width: 560px; }
  .projects__grid, .skills__grid, .articles__grid { grid-template-columns: 1fr 1fr; }
  .services__grid { grid-template-columns: 1fr 1fr; }
  .project--featured { grid-column: span 2; }
}

@media (max-width: 760px) {
  .nav__links {
    position: fixed;
    top: var(--nav-h);
    right: 0;
    flex-direction: column;
    background: var(--bg-raised);
    border-left: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: 28px 40px 32px;
    gap: 20px;
    transform: translateX(110%);
    transition: transform 0.3s ease;
    min-width: 230px;
    height: auto;
  }
  .nav__links.open { transform: none; }
  .nav__burger { display: flex; }
  .nav__cta { display: none; }

  .stats__grid { grid-template-columns: 1fr 1fr; gap: 32px 16px; }
  .about__grid { grid-template-columns: 1fr; }
  .edu__grid { grid-template-columns: 1fr; }
  .about__card { max-width: 380px; }
  .projects__grid, .skills__grid, .articles__grid { grid-template-columns: 1fr; }
  .services__grid { grid-template-columns: 1fr; }
  .services__cta { padding: 30px 26px; }
  .certs { grid-template-columns: 1fr; }
  .project--featured { grid-column: auto; }
  .section { padding: 80px 0; }
  .cert__btn { margin-left: 0; }
  .hero__scroll { display: none; }
  .hero__avatar { width: 104px; height: 104px; }
  .about__highlights { grid-template-columns: 1fr; }
}