/* ═══════════════════════════════════
   PIXEL THEME — Ahmed Seko Profile
   ═══════════════════════════════════ */

:root {
  --bg:       #0a0e0a;
  --bg-soft:  #0f160f;
  --card:     #111a11;
  --ink:      #e8ffe8;
  --muted:    #7a9e7a;
  --accent:   #ff7a1a;
  --accent-2: #3bd2a2;
  --border:   #1e301e;
  --border-px: rgba(255,122,26,0.35);
  --shadow-px: 4px 4px 0px rgba(255,122,26,0.3);
  --font-head: "Press Start 2P", monospace;
  --font-body: "VT323", monospace;
}

body.theme-light {
  --bg:       #f0f4e8;
  --bg-soft:  #ffffff;
  --card:     #ffffff;
  --ink:      #1a2010;
  --muted:    #4a6040;
  --border:   #c8d8b0;
  --border-px: rgba(255,122,26,0.4);
}

/* ── Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 1.15rem;
  color: var(--ink);
  background-color: var(--bg);
  background-image: radial-gradient(var(--border-px) 1px, transparent 1px);
  background-size: 28px 28px;
  min-height: 100vh;
  line-height: 1.6;
}

body.theme-light {
  background-image: radial-gradient(rgba(255,122,26,0.1) 1px, transparent 1px);
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { display: block; max-width: 100%; }

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ════════════════════════
   PIXEL ANIMATIONS
   ════════════════════════ */

/* Cursor blink */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* Photo ring pulse — color swap between orange & teal */
@keyframes ring-pulse {
  0%, 100% {
    box-shadow:
      0 0 0 5px var(--bg),
      0 0 0 10px var(--accent),
      0 0 0 15px var(--bg),
      0 0 0 20px var(--accent-2),
      0 0 0 25px var(--bg),
      0 0 0 28px rgba(255,122,26,0.15);
  }
  50% {
    box-shadow:
      0 0 0 5px var(--bg),
      0 0 0 10px var(--accent-2),
      0 0 0 15px var(--bg),
      0 0 0 20px var(--accent),
      0 0 0 25px var(--bg),
      0 0 0 32px rgba(59,210,162,0.25);
  }
}

/* Logo ring mini pulse */
@keyframes logo-ring-pulse {
  0%, 100% {
    box-shadow:
      0 0 0 3px var(--bg),
      0 0 0 5px var(--accent),
      0 0 0 8px var(--bg),
      0 0 0 10px var(--accent-2);
  }
  50% {
    box-shadow:
      0 0 0 3px var(--bg),
      0 0 0 5px var(--accent-2),
      0 0 0 8px var(--bg),
      0 0 0 10px var(--accent);
  }
}

/* Glitch — triggers occasionally on h1 */
@keyframes glitch {
  0%, 85%, 100% { transform: none; text-shadow: none; }
  86% { transform: translate(-3px, 0); text-shadow: 3px 0 var(--accent-2); color: var(--ink); }
  87% { transform: translate(3px, 1px); text-shadow: -3px 0 var(--accent); }
  88% { transform: translate(-2px, -1px); text-shadow: 2px 0 var(--accent-2); }
  89% { transform: none; text-shadow: none; }
  90% { transform: translate(4px, 0); text-shadow: -4px 0 var(--accent); }
  91%, 100% { transform: none; text-shadow: none; }
}

/* Stat value glow pulse */
@keyframes stat-glow {
  0%, 100% { text-shadow: none; }
  50% { text-shadow: 0 0 12px var(--accent), 0 0 24px rgba(255,122,26,0.4); }
}

/* Floating pixels rise */
@keyframes float-up {
  0%   { transform: translateY(0) rotate(0deg); opacity: 0; }
  10%  { opacity: 0.7; }
  90%  { opacity: 0.4; }
  100% { transform: translateY(-105vh) rotate(180deg); opacity: 0; }
}

/* Click spark burst */
@keyframes spark-out {
  0%   { transform: translate(-50%, -50%) translate(0px, 0px) scale(1); opacity: 1; }
  100% { transform: translate(-50%, -50%) translate(var(--dx), var(--dy)) scale(0); opacity: 0; }
}

/* Scanline flicker */
@keyframes scanline-move {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

/* Card border flicker on hover */
@keyframes border-flicker {
  0%, 100% { border-color: var(--border-px); }
  50% { border-color: var(--accent); }
}

/* ── Apply animations ── */

/* Scanline overlay */
body:not(.theme-light)::after {
  content: "";
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(0,0,0,0.06) 3px,
    rgba(0,0,0,0.06) 4px
  );
  pointer-events: none;
  z-index: 9990;
}

/* Floating pixel container */
.pixel-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.floating-pixel {
  position: absolute;
  bottom: -10px;
  animation: float-up linear infinite;
}

/* Click sparks */
.pixel-spark {
  position: fixed;
  width: 6px;
  height: 6px;
  pointer-events: none;
  z-index: 9999;
  animation: spark-out 0.55s steps(8) forwards;
}

/* Logo ring animated */
.logo-mark img {
  animation: logo-ring-pulse 4s steps(2) infinite;
}

/* Stat glow */
.stat-value {
  animation: stat-glow 2.5s steps(2) infinite;
}

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5vw;
  height: 60px;
  background: var(--bg);
  border-bottom: 2px solid var(--border-px);
}

.logo-mark {
  display: flex;
  align-items: center;
  gap: 18px;
  text-decoration: none;
  padding: 6px 0;
}

.logo-mark img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  box-shadow:
    0 0 0 3px var(--bg),
    0 0 0 5px var(--accent),
    0 0 0 8px var(--bg),
    0 0 0 10px var(--accent-2);
}

.logo-name {
  font-family: var(--font-head);
  font-size: 0.6rem;
  color: var(--ink);
  display: block;
  line-height: 1.8;
}

.logo-sub {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--muted);
  display: block;
}

.nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav a {
  font-family: var(--font-head);
  font-size: 0.45rem;
  color: var(--muted);
  transition: color 0.15s;
  letter-spacing: 0.05em;
}

.nav a:hover, .nav a.nav-active { color: var(--accent); }

.nav a.back-link {
  color: var(--accent-2);
}

.theme-toggle {
  background: transparent;
  border: 2px solid var(--border-px);
  color: var(--ink);
  width: 44px;
  height: 44px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0;
  transition: border-color 0.2s;
}

.theme-toggle:hover { border-color: var(--accent); }

.theme-icon { width: 18px; height: 18px; display: none; image-rendering: pixelated; }
body:not(.theme-light) .theme-icon-dark { display: block; }
body.theme-light .theme-icon-light { display: block; }

/* ── Pixel Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  font-family: var(--font-head);
  font-size: 0.5rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
  transition: transform 0.1s, box-shadow 0.1s;
  border-radius: 0;
}

.btn:hover {
  transform: translate(-2px, -2px);
}

.btn.primary {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
  box-shadow: 3px 3px 0 #7a3000;
}

.btn.primary:hover { box-shadow: 5px 5px 0 #7a3000; }

.btn.ghost {
  background: transparent;
  border-color: var(--border-px);
  color: var(--ink);
  box-shadow: 3px 3px 0 var(--border-px);
}

.btn.ghost:hover { box-shadow: 5px 5px 0 var(--border-px); }

.btn.mini { padding: 7px 14px; font-size: 0.45rem; }

/* ── Layout ── */
.section {
  padding: 64px 5vw;
  max-width: 1100px;
  margin: 0 auto;
}

.section-header { margin-bottom: 40px; }

.eyebrow {
  font-family: var(--font-head);
  font-size: 0.5rem;
  color: var(--accent);
  display: block;
  margin-bottom: 16px;
  letter-spacing: 0.1em;
}

.eyebrow::after {
  content: "_";
  animation: blink 1s step-end infinite;
}

.section-header h2 {
  font-family: var(--font-head);
  font-size: clamp(0.9rem, 2.5vw, 1.3rem);
  font-weight: 400;
  color: var(--ink);
  margin-bottom: 14px;
  line-height: 1.7;
}

.section-header p {
  font-family: var(--font-body);
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 520px;
}

/* ── Hero ── */
.hero {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 56px;
  align-items: center;
  padding: 64px 5vw 56px;
  max-width: 1100px;
  margin: 0 auto;
}

.hero-photo {
  width: 340px;
  height: 340px;
  flex-shrink: 0;
  overflow: hidden;
  border-radius: 50%;
  border: 4px solid var(--accent);
  animation: ring-pulse 3s steps(2) infinite;
}

.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.05) saturate(0.9);
}

.hero-copy .eyebrow { margin-bottom: 16px; }

.hero-copy h1 {
  font-family: var(--font-head);
  font-size: clamp(1rem, 3vw, 1.8rem);
  font-weight: 400;
  line-height: 1.7;
  margin-bottom: 10px;
  color: var(--ink);
  animation: glitch 9s steps(1) infinite;
}

.hero-copy .subhead {
  font-family: var(--font-body);
  font-size: 1.25rem;
  color: var(--accent-2);
  font-weight: 400;
  margin-bottom: 16px;
}

.hero-copy .lead {
  font-family: var(--font-body);
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 500px;
  margin-bottom: 10px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

/* ── Stats ── */
.stat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border-px);
}

.stat { display: flex; flex-direction: column; gap: 4px; }

.stat-value {
  font-family: var(--font-head);
  font-size: 1.1rem;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--muted);
}

/* ── Pixel Cards ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.card {
  background: var(--card);
  border: 2px solid var(--border-px);
  box-shadow: var(--shadow-px);
  padding: 24px;
  border-radius: 0;
  transition: transform 0.1s, box-shadow 0.1s;
}

.card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 rgba(255,122,26,0.3);
}

.card h3 {
  font-family: var(--font-head);
  font-size: 0.55rem;
  font-weight: 400;
  color: var(--accent);
  margin-bottom: 20px;
  letter-spacing: 0.08em;
  line-height: 1.8;
  border-bottom: 1px solid var(--border-px);
  padding-bottom: 12px;
}

/* ── Skill bars ── */
.skill-item { margin-bottom: 16px; }
.skill-item:last-child { margin-bottom: 0; }

.skill-meta {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
}

.skill-name {
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: var(--ink);
}

.skill-score {
  font-family: var(--font-head);
  font-size: 0.45rem;
  color: var(--accent);
}

.skill-bar-wrap {
  height: 8px;
  background: var(--border);
  border: 1px solid var(--border-px);
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  background: repeating-linear-gradient(
    90deg,
    var(--accent) 0px,
    var(--accent) 6px,
    transparent 6px,
    transparent 8px
  );
  width: 0;
  transition: width 0.9s steps(20);
}

.skill-bar-fill.teal {
  background: repeating-linear-gradient(
    90deg,
    var(--accent-2) 0px,
    var(--accent-2) 6px,
    transparent 6px,
    transparent 8px
  );
}

/* ── Timeline ── */
.timeline-list {
  position: relative;
  padding-left: 28px;
  display: flex;
  flex-direction: column;
}

.timeline-list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: repeating-linear-gradient(
    to bottom,
    var(--border-px) 0px,
    var(--border-px) 4px,
    transparent 4px,
    transparent 8px
  );
}

.timeline-entry { position: relative; padding-bottom: 32px; }
.timeline-entry:last-child { padding-bottom: 0; }

.timeline-entry::before {
  content: "▶";
  position: absolute;
  left: -26px;
  top: 3px;
  font-size: 0.7rem;
  color: var(--accent);
  font-family: var(--font-head);
}

.timeline-entry .period {
  font-family: var(--font-head);
  font-size: 0.45rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.timeline-entry h4 {
  font-family: var(--font-head);
  font-size: 0.55rem;
  font-weight: 400;
  color: var(--ink);
  line-height: 1.7;
  margin-bottom: 4px;
}

.timeline-entry .company {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--muted);
  margin-bottom: 10px;
}

.timeline-entry ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.timeline-entry ul li {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--muted);
  padding-left: 16px;
  position: relative;
}

.timeline-entry ul li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--accent-2);
}

/* ── Badges ── */
.badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }

.badge {
  font-family: var(--font-head);
  font-size: 0.38rem;
  padding: 5px 10px;
  border: 1px solid var(--border-px);
  color: var(--accent);
  background: rgba(255,122,26,0.06);
  letter-spacing: 0.05em;
}

.badge.teal {
  color: var(--accent-2);
  border-color: rgba(59,210,162,0.3);
  background: rgba(59,210,162,0.05);
}

/* ── Contact cards ── */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.contact-item-card {
  background: var(--card);
  border: 2px solid var(--border-px);
  padding: 18px 20px;
  transition: transform 0.1s, box-shadow 0.1s;
}

.contact-item-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--border-px);
}

.contact-item-card .label {
  font-family: var(--font-head);
  font-size: 0.4rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
  display: block;
}

.contact-item-card a,
.contact-item-card p {
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: var(--ink);
  line-height: 1.5;
}

.contact-item-card a:hover { color: var(--accent); }

/* ── Divider ── */
.section-divider {
  height: 2px;
  background: repeating-linear-gradient(
    90deg,
    var(--border-px) 0px,
    var(--border-px) 8px,
    transparent 8px,
    transparent 14px
  );
  margin: 0 5vw;
}

/* ── Footer ── */
.site-footer {
  padding: 28px 5vw;
  font-family: var(--font-head);
  font-size: 0.4rem;
  color: var(--muted);
  border-top: 2px solid var(--border-px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  letter-spacing: 0.05em;
  line-height: 2;
}

.site-footer a { color: var(--accent-2); }
.site-footer a:hover { color: var(--accent); }

/* ── Back-to-top ── */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  background: var(--accent);
  color: #000;
  border: 2px solid #7a3000;
  box-shadow: 3px 3px 0 #7a3000;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.1s;
  z-index: 999;
  border-radius: 0;
  font-family: var(--font-body);
}

.back-to-top.visible { opacity: 1; pointer-events: auto; }
.back-to-top:hover { transform: translate(-2px, -2px); box-shadow: 5px 5px 0 #7a3000; }

/* ── Reveal ── */
[data-reveal] { opacity: 0; transform: translateY(12px); transition: opacity 0.4s ease, transform 0.4s ease; }
[data-reveal].is-visible { opacity: 1; transform: none; }

/* ── Responsive ── */
@media (max-width: 720px) {
  .hero { grid-template-columns: 1fr; text-align: center; gap: 28px; padding-top: 48px; }
  .hero-photo { width: 220px; height: 220px; margin: 0 auto; }
  .hero-copy .lead { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .nav { gap: 12px; }
  .nav a { font-size: 0.38rem; }
  .nav a.back-link { display: none; }
  .site-footer { flex-direction: column; align-items: center; text-align: center; }
  .stat-row { justify-content: center; }
}

@media (max-width: 480px) {
  .site-header { padding: 0 4vw; }
  .section { padding: 48px 4vw; }
  .hero { padding: 48px 4vw 36px; }
}