/* ----- Theme tokens ----- */
:root {
  --bg: hsl(220, 20%, 8%);
  --bg-elev: hsl(220, 22%, 12%);
  --bg-card: hsla(220, 22%, 14%, 0.5);
  --bg-card-hover: hsla(220, 22%, 14%, 0.85);
  --fg: hsl(210, 20%, 98%);
  --muted: hsl(215, 15%, 65%);
  --border: hsl(220, 22%, 18%);
  --primary: hsl(199, 89%, 60%);
  --primary-soft: hsla(199, 89%, 60%, 0.12);
  --primary-fg: hsl(220, 20%, 8%);
  --radius: 0.4rem;
  --max: 56rem;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;
}

/* ----- Reset ----- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  padding-bottom: 6rem;
}
::selection {
  background: var(--primary-soft);
  color: var(--primary);
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  display: block;
}
ul {
  list-style: none;
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.accent {
  color: var(--primary);
}
.muted {
  color: var(--muted);
}

/* ----- Navigation ----- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  border-bottom: 1px solid hsla(220, 22%, 18%, 0.5);
  background: hsla(220, 20%, 8%, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 3.5rem;
  max-width: 64rem;
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary);
}
.nav__links {
  display: flex;
  gap: 1rem;
}
.nav__links a {
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  transition: color 0.2s ease;
}
.nav__links a:hover {
  color: var(--primary);
}

/* ----- Main layout ----- */
.main {
  padding-top: 8rem;
  display: flex;
  flex-direction: column;
  gap: 8rem;
}

/* ----- Hero ----- */
.hero {
  position: relative;
}
.grid-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.2;
  background-size: 40px 40px;
  background-image:
    linear-gradient(to right, hsla(220, 22%, 30%, 0.4) 1px, transparent 1px),
    linear-gradient(to bottom, hsla(220, 22%, 30%, 0.4) 1px, transparent 1px);
  -webkit-mask-image: linear-gradient(to bottom, white, transparent);
  mask-image: linear-gradient(to bottom, white, transparent);
}
.hero__status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
}
.hero__status .dot {
  display: inline-block;
  width: 4px;
  height: 4px;
  border-radius: 999px;
  background: var(--primary);
}
.pulse {
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}

.hero__title {
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
  font-weight: 800;
  margin-bottom: 1.5rem;
}
.hero__lead {
  font-size: clamp(1.05rem, 1.6vw, 1.35rem);
  color: var(--muted);
  max-width: 42rem;
  line-height: 1.6;
  margin-bottom: 3rem;
}

.metrics {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 768px) {
  .metrics {
    grid-template-columns: repeat(4, 1fr);
  }
}
.metric {
  border-left: 1px solid var(--border);
  padding: 0.25rem 0 0.25rem 1rem;
}
.metric__value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-shadow: 0 0 10px hsla(199, 89%, 60%, 0.5);
}
.metric__label {
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.25rem;
}

/* ----- Section heading ----- */
.section__heading {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  font-weight: 700;
}

/* ----- Experience ----- */
.exp-list {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}
.exp__row {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 1rem;
}
@media (min-width: 768px) {
  .exp__row {
    flex-direction: row;
    gap: 3rem;
    align-items: baseline;
  }
}
.exp__date {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--muted);
  flex-shrink: 0;
}
@media (min-width: 768px) {
  .exp__date {
    width: 12rem;
  }
}
.exp__title {
  font-size: 1.25rem;
  font-weight: 700;
}
.exp__company {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--muted);
  margin-top: 0.25rem;
}
.exp__company.accent {
  color: var(--primary);
}
.exp__body {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  color: var(--muted);
}
@media (min-width: 768px) {
  .exp__body {
    margin-left: 15rem;
  }
}
.exp__body .strong {
  color: var(--fg);
}

/* ----- Technical Arsenal ----- */
.arsenal {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .arsenal {
    grid-template-columns: repeat(2, 1fr);
  }
}
.arsenal__card {
  padding: 1.5rem;
  border: 1px solid var(--border);
  background: var(--bg-card);
  border-radius: 0.5rem;
  transition: border-color 0.25s ease;
}
.arsenal__card:hover {
  border-color: hsla(199, 89%, 60%, 0.5);
}
.arsenal__card--wide {
  grid-column: 1 / -1;
}
.arsenal__label {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}
.icons {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.icon {
  position: relative;
  width: 2rem;
  height: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: default;
}
.icon img {
  width: 1.75rem;
  height: 1.75rem;
  filter: brightness(0.9);
  transition:
    filter 0.25s ease,
    transform 0.25s ease;
}
.icon:hover img {
  transform: translateY(-2px);
}
.icon__svg {
  width: 1.75rem;
  height: 1.75rem;
  transition: transform 0.25s ease;
}
.icon:hover .icon__svg {
  transform: translateY(-2px);
}
.icon span {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: -1.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--fg);
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}
.icon:hover span {
  opacity: 1;
}

/* ----- Projects ----- */
.projects {
  display: grid;
  gap: 1.5rem;
}
.project {
  position: relative;
  overflow: hidden;
  padding: 1.5rem;
  border: 1px solid var(--border);
  background: hsla(220, 22%, 14%, 0.3);
  border-radius: 0.75rem;
  transition:
    background 0.25s ease,
    border-color 0.25s ease;
}
@media (min-width: 768px) {
  .project {
    padding: 2rem;
  }
}
.project:hover {
  background: var(--bg-card-hover);
  border-color: hsla(199, 89%, 60%, 0.3);
}
.project__deco {
  position: absolute;
  right: 0;
  top: 0;
  width: 8rem;
  height: 8rem;
  background: hsla(199, 89%, 60%, 0.05);
  border-bottom-left-radius: 9999px;
  transition: background 0.25s ease;
  z-index: 0;
}
.project:hover .project__deco {
  background: hsla(199, 89%, 60%, 0.1);
}
.project__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
  position: relative;
}
.project__head h3 {
  font-size: 1.5rem;
  font-weight: 700;
}
.tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--primary);
  padding: 0.25rem 0.5rem;
  background: var(--primary-soft);
  border-radius: 0.25rem;
  white-space: nowrap;
}
.project p {
  color: var(--muted);
  margin-bottom: 1.5rem;
  position: relative;
}
.project__tech {
  display: grid;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--muted);
  position: relative;
}
@media (min-width: 768px) {
  .project__tech {
    grid-template-columns: repeat(2, 1fr);
  }
}
.project__tech > div {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.chev {
  color: var(--primary);
  font-weight: 700;
}

/* ----- Education ----- */
.edu {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.edu__item {
  border-left: 2px solid var(--border);
  padding: 0.25rem 0 0.25rem 1.5rem;
}
.edu__item--accent {
  border-color: hsla(199, 89%, 60%, 0.3);
}
.edu__date {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 0.25rem;
}
.edu__date.accent {
  color: var(--primary);
}
.edu__item h3 {
  font-size: 1.25rem;
  font-weight: 700;
}
.edu__org {
  color: var(--muted);
  margin-top: 0.25rem;
  margin-bottom: 0.75rem;
}
.edu__item ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.875rem;
}
.edu__item li {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
}
.edu__item li .accent {
  margin-top: 0.15rem;
}
.edu__item p {
  color: var(--muted);
  font-size: 0.875rem;
}

.courses {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 3rem;
}
@media (min-width: 768px) {
  .courses {
    grid-template-columns: repeat(4, 1fr);
  }
}
.course {
  padding: 1rem;
  background: hsla(220, 22%, 14%, 0.3);
  border: 1px solid var(--border);
  border-radius: 0.25rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
}
.course .accent {
  display: block;
  margin-top: 0.25rem;
}

/* ----- Contact ----- */
.contact {
  padding-top: 4rem;
  padding-bottom: 8rem;
  border-top: 1px solid hsla(220, 22%, 18%, 0.5);
}
.contact__grid {
  display: grid;
  gap: 3rem;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .contact__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
.contact__title {
  font-size: 1.875rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.contact__lead {
  color: var(--muted);
  margin-bottom: 2rem;
}
.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--primary);
  color: var(--primary-fg);
  padding: 0.75rem 1.5rem;
  border-radius: 0.25rem;
  font-family: var(--font-mono);
  font-weight: 700;
  transition:
    background 0.25s ease,
    transform 0.15s ease;
}
.cta:hover {
  background: hsl(199, 89%, 55%);
}
.cta:active {
  transform: translateY(1px);
}

.contact__list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.contact__row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--muted);
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.25rem;
  background: hsla(220, 22%, 14%, 0.3);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  transition:
    color 0.2s ease,
    border-color 0.2s ease;
}
a.contact__row:hover {
  color: var(--primary);
  border-color: hsla(199, 89%, 60%, 0.4);
}
.contact__row--static {
  cursor: default;
}
.contact__socials {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, 1fr);
  padding-top: 1rem;
}
.contact__socials .contact__row {
  justify-content: center;
}

/* ----- Reveal animations ----- */
.reveal,
.reveal-up,
.reveal-x {
  opacity: 0;
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
  transition-delay: var(--d, 0s);
}
.reveal {
  transform: translateY(20px);
}
.reveal-up {
  transform: translateY(20px);
}
.reveal-x {
  transform: translateX(-20px);
}
.is-visible {
  opacity: 1 !important;
  transform: translate(0, 0) !important;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal,
  .reveal-up,
  .reveal-x {
    opacity: 1;
    transform: none;
  }
  #egypt-bg {
    display: none;
  }
}

/* ----- Egyptian background shapes ----- */
#egypt-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}
#egypt-bg svg {
  width: 100%;
  height: 100%;
}

/* Sun disk of Ra */
.egy-sun {
  fill: none;
  stroke: #38bdf8;
  stroke-width: 3;
  opacity: 0.055;
}
.egy-sun-inner {
  fill: none;
  stroke: #0ea5e9;
  stroke-width: 1.5;
  opacity: 0.04;
  stroke-dasharray: 7 11;
}
.egy-ray {
  fill: none;
  stroke: #7dd3fc;
  stroke-width: 1.8;
  stroke-linecap: round;
  opacity: 0.04;
}

/* Obelisk */
.egy-obelisk {
  fill: none;
  stroke: #7dd3fc;
  stroke-linecap: round;
  stroke-width: 1.5;
  opacity: 0.065;
}

/* Eye of Horus */
.egy-eye {
  fill: none;
  stroke: #0ea5e9;
  stroke-linecap: round;
  stroke-width: 1.8;
  opacity: 0.055;
}
.egy-eye-pupil {
  fill: #38bdf8;
  stroke: none;
  opacity: 0.5;
}

/* Pyramid */
.egy-pyramid {
  fill: none;
  stroke: #0284c7;
  stroke-linecap: round;
  stroke-width: 1.8;
  opacity: 0.048;
}

/* Ankh */
.egy-ankh {
  fill: none;
  stroke: #38bdf8;
  stroke-linecap: round;
  stroke-width: 1.2;
  opacity: 0.055;
}

/* Cartouche badge */
.egy-cartouche {
  fill: none;
  stroke: #0369a1;
  stroke-width: 1.5;
  opacity: 0.055;
}

/* Sand / star scatter dots */
.egy-dot {
  fill: #7dd3fc;
  opacity: 0.14;
}

/* Hide heavier shapes on small screens */
@media (max-width: 768px) {
  .egy-pyramid,
  .egy-ankh,
  .egy-cartouche {
    display: none;
  }
  .egy-sun {
    opacity: 0.04;
  }
}