/* ============================================================
   MAJD EID — Personal Site
   Aesthetic: Engineering precision × Pollock expressionism
   ============================================================ */

/* ── Tokens ───────────────────────────────────────────────── */
:root {
  --bg:            #09090d;
  --surface:       #111118;
  --surface-raise: #16161f;
  --border:        rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.16);

  --text:          #edeef4;
  --muted:         #8a8fa8;
  --faint:         rgba(255,255,255,0.35);

  --accent:        #6378ff;
  --accent-warm:   #e05c3a;
  --accent-gold:   #d4a532;
  --accent-teal:   #2ec4b6;

  --accent-glow:   rgba(99,120,255,0.22);
  --accent-soft:   rgba(99,120,255,0.12);

  --radius-sm:  0.6rem;
  --radius-md:  1.2rem;
  --radius-lg:  1.8rem;
  --shadow:     0 24px 60px rgba(0,0,0,0.45);
  --shadow-sm:  0 8px 24px rgba(0,0,0,0.28);
}

/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  line-height: 1.75;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a   { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(1.5rem, 3vw, 2rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.65rem); }
h4 { font-size: 1.05rem; }
h5 { font-size: 0.95rem; }

p { margin: 0.75rem 0 0; }
p:first-child { margin-top: 0; }

ul {
  margin: 0.75rem 0 0;
  padding-left: 1.25rem;
  color: var(--muted);
}
ul li { margin-bottom: 0.55rem; line-height: 1.7; }

/* ── Pollock canvas ───────────────────────────────────────── */
#pollock-bg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.65;
}

/* ── Layout ───────────────────────────────────────────────── */
.container {
  width: min(1120px, calc(100% - 2.5rem));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ── Typography utilities ─────────────────────────────────── */
.eyebrow {
  display: inline-block;
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

/* ── Header ───────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0.9rem 0 0;
}

.site-header,
.header-grid,
.logo,
.brand-name,
.brand-sub,
.site-nav a {
  transition: all 0.22s ease;
}

.site-header.scrolled {
  padding-top: 0.45rem;
}

.site-header.scrolled .header-grid {
  padding: 0.55rem 0.78rem 0.55rem 0.7rem;
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.34), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.site-header.scrolled .logo {
  width: 2.45rem;
  height: 2.45rem;
}

.site-header.scrolled .brand-name {
  font-size: 1.2rem;
}

.site-header.scrolled .brand-sub {
  font-size: 0.74rem;
}

.header-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.72rem 0.95rem 0.72rem 0.8rem;
  border-radius: 999px;
  background: rgba(13, 16, 24, 0.74);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.38), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px) saturate(170%);
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-sub {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
  font-family: 'Space Mono', monospace;
  letter-spacing: 0.04em;
}

.brand-name {
  margin: 0;
  font-family: 'Sora', 'Space Grotesk', system-ui, sans-serif;
  font-size: 1.32rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.02;
  background: linear-gradient(92deg, #2F6DFF 0%, #5CA5FF 43%, #CF916C 76%, #FF8A2A 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.logo {
  display: block;
  width: 2.8rem;
  height: 2.8rem;
  flex-shrink: 0;
  object-fit: contain;
  filter: drop-shadow(0 4px 12px rgba(12, 16, 24, 0.45));
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.site-nav a {
  font-family: 'Space Mono', monospace;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.18s, background 0.18s, transform 0.18s;
  padding: 0.52rem 0.84rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.02);
  position: relative;
  isolation: isolate;
}

.site-nav a::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(92deg, #2F6DFF 0%, #5CA5FF 43%, #CF916C 76%, #FF8A2A 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.55;
  pointer-events: none;
  transition: opacity 0.18s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
  text-decoration: none;
  background: rgba(99, 120, 255, 0.14);
  transform: translateY(-1px);
}

.site-nav a:hover::before,
.site-nav a:focus-visible::before {
  opacity: 1;
}

/* ── Buttons ──────────────────────────────────────────────── */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  border-radius: 3px;
  border: 1px solid transparent;
  background: var(--accent);
  color: #fff;
  font-family: 'Space Mono', monospace;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  transition: transform 0.18s, box-shadow 0.18s, background 0.18s;
  cursor: pointer;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px var(--accent-glow);
  text-decoration: none;
}

.button-outline {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text);
}

.button-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: none;
}

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  padding: 6rem 0 5rem;
  position: relative;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
}

.hero-text h2 {
  max-width: 14ch;
  margin-top: 0.5rem;
}

.hero-copy {
  color: var(--muted);
  line-height: 1.85;
  max-width: 56ch;
  margin-top: 1.25rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2.5rem;
}

.hero-panel {
  display: flex;
  justify-content: flex-end;
}

.panel-card {
  padding: 2rem;
  border: 1px solid var(--border-strong);
  border-left: 3px solid var(--accent);
  background: var(--surface);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  box-shadow: var(--shadow);
  min-width: 18rem;
  position: relative;
  overflow: hidden;
}

.panel-card::after {
  content: '';
  position: absolute;
  top: -20px;
  right: -20px;
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(224,92,58,0.18), transparent 70%);
  pointer-events: none;
}

.panel-label {
  display: block;
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.panel-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
  color: var(--text);
}

.panel-card li {
  padding-left: 1.1rem;
  position: relative;
  font-size: 0.92rem;
  line-height: 1.5;
}

.panel-card li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent-warm);
  font-size: 0.85rem;
}

/* ── Section: Expertise ───────────────────────────────────── */
.section-alt {
  padding: 5rem 0;
  position: relative;
}

.section-alt::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(99,120,255,0.04) 0%, transparent 100%);
  pointer-events: none;
}

.section-intro {
  margin-bottom: 2.5rem;
}

.section-intro h3 {
  max-width: 28ch;
}

.feature-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--border);
}

.feature-card {
  background: var(--surface);
  padding: 1.75rem;
  transition: background 0.2s;
  position: relative;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-warm));
  opacity: 0;
  transition: opacity 0.2s;
}

.feature-card:hover { background: var(--surface-raise); }
.feature-card:hover::before { opacity: 1; }

.feature-card h4 {
  color: var(--text);
  margin-bottom: 0.6rem;
  font-size: 0.95rem;
}

.feature-card p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: 0;
}

/* ── CV Section ───────────────────────────────────────────── */
.cv-section {
  padding: 5rem 0;
  position: relative;
}

.cv-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent,
    var(--accent-gold) 30%,
    var(--accent-teal) 70%,
    transparent
  );
  opacity: 0.5;
}

/* ── Profile card ─────────────────────────────────────────── */
.profile-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2.5rem;
  align-items: start;
  padding: 2.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
}

.profile-summary h2 {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  margin-top: 0.35rem;
}

.profile-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.profile-details strong {
  display: block;
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.3rem;
}

.profile-details span {
  color: var(--text);
  font-size: 0.9rem;
}

.profile-details a { color: var(--accent); }

.profile-photo {
  max-width: 220px;
  width: 100%;
}

.profile-photo img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  object-fit: cover;
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-sm);
}

/* ── Accordion ────────────────────────────────────────────── */
.accordion {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  overflow: hidden;
  transition: border-color 0.2s;
}

.accordion[open] {
  border-color: var(--border-strong);
}

.accordion[open] .acc-arrow::after {
  transform: rotate(180deg);
}

.accordion-trigger {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.4rem 1.75rem;
  cursor: pointer;
  user-select: none;
  transition: background 0.18s;
}

.accordion-trigger::-webkit-details-marker { display: none; }

.accordion[open] > .accordion-trigger {
  background: var(--surface-raise);
  border-bottom: 1px solid var(--border);
}

.accordion-trigger:hover { background: var(--surface-raise); }

.acc-eyebrow {
  font-family: 'Space Mono', monospace;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  min-width: 6.5rem;
  flex-shrink: 0;
}

.acc-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
  flex: 1;
}

.acc-arrow {
  margin-left: auto;
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent-soft);
  flex-shrink: 0;
}

.acc-arrow::after {
  content: '';
  display: block;
  width: 0.45rem;
  height: 0.45rem;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-body {
  padding: 1.75rem;
  overflow: hidden;
  max-height: none;
  opacity: 1;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.3s ease;
}

/* ── Timeline ─────────────────────────────────────────────── */
.timeline {
  display: grid;
  gap: 1.25rem;
}

.timeline-item {
  padding: 1.75rem;
  background: var(--surface-raise);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border-strong);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  transition: border-left-color 0.2s;
}

.timeline-item:hover { border-left-color: var(--accent); }

.timeline-item h4 {
  color: var(--text);
  font-size: 1.02rem;
  margin-bottom: 0.4rem;
}

.timeline-item > span {
  display: block;
  font-family: 'Space Mono', monospace;
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.04em;
  line-height: 1.6;
}

.milestone-card .position-timeline {
  position: relative;
  border-left: 2px solid rgba(99,120,255,0.3);
  margin-left: 0.5rem;
  padding-left: 1.5rem;
  margin-top: 1.25rem;
}

.milestone-card .position-step {
  position: relative;
  padding-bottom: 1.75rem;
}

.milestone-card .position-step:last-child { padding-bottom: 0; }

.milestone-card .position-marker {
  position: absolute;
  left: -1.15rem;
  top: 0.45rem;
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  box-shadow: 0 0 0 2px rgba(99,120,255,0.3);
}

.milestone-card .position-body h5 {
  margin-bottom: 0.2rem;
  font-size: 0.95rem;
  color: var(--text);
}

.milestone-card .position-body > span {
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem;
  color: var(--muted);
  display: block;
  margin-bottom: 0.75rem;
}

.promotion-note {
  margin-top: 1.25rem;
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.04em;
  padding: 0.6rem 1rem;
  background: var(--accent-soft);
  border-radius: var(--radius-sm);
  display: inline-block;
}

/* ── Education ────────────────────────────────────────────── */
.education-grid {
  display: grid;
  gap: 0.75rem;
}

.education-card {
  padding: 1.5rem;
  background: var(--surface-raise);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color 0.2s;
}

.education-card:hover { border-color: var(--accent); }

.education-head {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.education-logo {
  width: 52px;
  height: 52px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.06);
  padding: 0.4rem;
  flex-shrink: 0;
}

.education-card h4 {
  font-size: 0.95rem;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.education-card span {
  display: block;
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.03em;
  line-height: 1.5;
}

/* ── Skills grid ──────────────────────────────────────────── */
.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.25rem;
}

.skill-list span {
  padding: 0.45rem 0.9rem;
  border-radius: 3px;
  border: 1px solid var(--border);
  background: var(--surface-raise);
  color: var(--text);
  font-family: 'Space Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  transition: border-color 0.18s, color 0.18s;
}

.skill-list span:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Summary list ─────────────────────────────────────────── */
.summary-list { color: var(--muted); }

/* ── Contact ──────────────────────────────────────────────── */
.contact-section { padding: 5rem 0; }

.contact-card {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 2rem;
  padding: 3rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent-warm);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: '';
  position: absolute;
  bottom: -40px;
  right: -40px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212,165,50,0.12), transparent 70%);
  pointer-events: none;
}

.contact-card h3 { margin-top: 0.5rem; max-width: 30ch; }
.contact-card p  { color: var(--muted); margin-top: 0.75rem; max-width: 44ch; }

/* ── Footer ───────────────────────────────────────────────── */
.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-brand {
  gap: 0.85rem;
}

.footer-name {
  margin: 0;
  font-family: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  font-size: 0.95rem;
  line-height: 1.1;
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0;
}

.footer-grid p {
  margin: 0;
  font-family: 'Space Mono', monospace;
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}

.footer-mono { color: var(--faint) !important; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; }
  .hero-panel   { justify-content: stretch; }
  .panel-card   { min-width: unset; width: 100%; }
  .feature-cards { grid-template-columns: repeat(2, 1fr); }
  .profile-card { grid-template-columns: 1fr; }
  .profile-photo { max-width: 180px; }
  .contact-card { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .hero { padding: 4rem 0 3rem; }
  .feature-cards { grid-template-columns: 1fr; }
  .site-header { padding-top: 0.65rem; }
  .site-nav {
    width: 100%;
    gap: 0.35rem;
    justify-content: space-between;
  }
  .site-nav a {
    flex: 1;
    text-align: center;
    font-size: 0.62rem;
    letter-spacing: 0.09em;
    padding: 0.5rem 0.2rem;
  }
  .header-grid {
    flex-direction: column;
    align-items: stretch;
    gap: 0.8rem;
    border-radius: 1.25rem;
    padding: 0.75rem;
  }
  .brand-name { font-size: 1.12rem; }
  .brand-sub { font-size: 0.7rem; }
  .button { width: 100%; text-align: center; }
  .accordion-trigger { padding: 1.1rem 1.25rem; }
  .accordion-body { padding: 1.25rem; }
  .acc-eyebrow { display: none; }
}