/* ============================================
   WAjeh — QA Engineer Portfolio
   Cyber / Matrix Terminal Theme
============================================ */

:root {
  --bg: #060a08;
  --bg-alt: #0a100c;
  --surface: #0d1712;
  --surface-2: #101d16;
  --border: #1c3324;
  --border-soft: #14251b;

  --green: #39ff88;
  --green-bright: #7dffb0;
  --green-dim: #1fae5c;
  --green-glow: rgba(57, 255, 136, 0.45);

  --red: #ff4d5e;
  --amber: #ffbe3d;

  --text: #d7ffe4;
  --text-dim: #7fa38c;
  --text-faint: #4d6b5a;

  --font: 'JetBrains Mono', 'Fira Code', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --max-width: 1180px;
  --radius: 10px;
  --transition: 0.25s ease;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--green);
  color: #04120a;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
img { max-width: 100%; display: block; }

:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- background layers ---------- */

#matrix-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.16;
  pointer-events: none;
}

.scanlines {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 0px,
    rgba(0, 0, 0, 0) 2px,
    rgba(0, 0, 0, 0.12) 3px,
    rgba(0, 0, 0, 0) 4px
  );
  mix-blend-mode: overlay;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(ellipse at 50% 0%, rgba(57,255,136,0.06), transparent 60%),
              radial-gradient(ellipse at 50% 100%, rgba(0,0,0,0.5), transparent 60%);
}

main, header, footer { position: relative; z-index: 2; }

/* ---------- layout helpers ---------- */

.section {
  padding: 110px 24px;
  position: relative;
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-kicker {
  color: var(--green);
  font-size: 0.9rem;
  margin: 0 0 8px;
  opacity: 0.85;
}

.section-title {
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  margin: 0 0 48px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* ---------- reveal on scroll ---------- */

.reveal {
  opacity: 1;
  transform: none;
}

html.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

html.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- navbar ---------- */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(6, 10, 8, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition);
}

.navbar.scrolled {
  background: rgba(6, 10, 8, 0.85);
  border-bottom-color: var(--border);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-weight: 700;
  font-size: 1rem;
  color: var(--green-bright);
  display: flex;
  align-items: baseline;
  gap: 2px;
  text-shadow: 0 0 12px var(--green-glow);
}
.brand-tilde { color: var(--text-dim); }
.brand-cursor { color: var(--green); animation: blink 1.1s steps(1) infinite; margin-left: 2px; }

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-link {
  color: var(--text-dim);
  font-size: 0.92rem;
  position: relative;
  padding: 4px 2px;
  transition: color var(--transition);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -4px;
  width: 0%;
  height: 1px;
  background: var(--green);
  box-shadow: 0 0 8px var(--green-glow);
  transition: width var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--green-bright);
}
.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--green);
  transition: transform var(--transition), opacity var(--transition);
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.92rem;
  font-weight: 600;
  border: 1px solid var(--green-dim);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  cursor: pointer;
}

.btn-primary {
  background: var(--green);
  color: #04120a;
  box-shadow: 0 0 22px var(--green-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 32px var(--green-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--green-bright);
}
.btn-ghost:hover {
  background: rgba(57,255,136,0.08);
  transform: translateY(-2px);
}

/* ---------- hero ---------- */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 120px;
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
}

.hero-kicker {
  color: var(--green);
  margin: 0 0 10px;
  font-size: 0.95rem;
}

.hero-name {
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  text-shadow: 0 0 30px var(--green-glow);
}

.blink-cursor {
  color: var(--green);
  animation: blink 1.1s steps(1) infinite;
}

.hero-role {
  font-size: clamp(1.1rem, 2.4vw, 1.5rem);
  color: var(--green-bright);
  margin: 10px 0 18px;
  font-weight: 600;
  min-height: 1.6em;
}
.type-cursor {
  color: var(--green);
  animation: blink 0.9s steps(1) infinite;
}

.hero-tagline {
  color: var(--text-dim);
  max-width: 480px;
  margin: 0 0 34px;
  font-size: 1rem;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 34px;
}

.hero-socials {
  display: flex;
  gap: 14px;
}

.icon-btn {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-dim);
  transition: color var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.icon-btn svg { width: 19px; height: 19px; }
.icon-btn:hover {
  color: var(--green);
  border-color: var(--green-dim);
  box-shadow: 0 0 18px var(--green-glow);
  transform: translateY(-3px);
}

/* hero visual */

.hero-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 26px;
}

.avatar-ring {
  position: relative;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-ring-spin {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--green), transparent 30%, transparent 70%, var(--green));
  filter: blur(0.5px);
  animation: spin 5s linear infinite;
  box-shadow: 0 0 40px var(--green-glow);
}

.avatar-img {
  position: relative;
  width: calc(100% - 14px);
  height: calc(100% - 14px);
  border-radius: 50%;
  object-fit: cover;
  object-position: 50% 18%;
  background: var(--surface);
  border: 3px solid var(--bg);
  z-index: 1;
}

.terminal-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 30px rgba(57,255,136,0.08);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 14px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot-red { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green { background: #28c840; }
.terminal-title {
  margin-left: 8px;
  color: var(--text-faint);
  font-size: 0.78rem;
}

.terminal-body {
  margin: 0;
  padding: 16px 18px;
  font-size: 0.82rem;
  color: var(--green-bright);
  min-height: 190px;
  white-space: pre-wrap;
  word-break: break-word;
}

/* scroll hint */

.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 34px;
  transform: translateX(-50%);
  width: 26px;
  height: 42px;
  border: 2px solid var(--border);
  border-radius: 20px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}
.scroll-hint span {
  width: 4px;
  height: 8px;
  background: var(--green);
  border-radius: 2px;
  animation: scrollhint 1.6s ease infinite;
}

/* ---------- about ---------- */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
.about-text, .about-code { min-width: 0; }

.about-text p {
  color: var(--text-dim);
  margin: 0 0 18px;
  font-size: 1rem;
}
.about-text strong { color: var(--green-bright); }

.code-window {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 0 30px rgba(57,255,136,0.06);
}

.code-body {
  margin: 0;
  padding: 20px;
  font-size: 0.85rem;
  overflow-x: auto;
  color: var(--text);
}
.tok-key { color: var(--green-bright); }
.tok-str { color: var(--amber); }
.tok-status { color: var(--green); }
.tok-brace { color: var(--text-faint); }

/* ---------- skills ---------- */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 22px;
}

.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.skill-card:hover {
  border-color: var(--green-dim);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.4), 0 0 20px rgba(57,255,136,0.08);
}

.skill-cat {
  margin: 0 0 16px;
  font-size: 1rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.cat-prompt { color: var(--green); }

.skill-list li {
  color: var(--text-dim);
  font-size: 0.9rem;
  padding: 6px 0;
  border-bottom: 1px dashed var(--border-soft);
  display: flex;
  align-items: center;
  gap: 8px;
}
.skill-list li:last-child { border-bottom: none; }
.skill-list li::before {
  content: "✓";
  color: var(--green);
}

/* ---------- projects ---------- */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--green-dim);
  box-shadow: 0 16px 40px rgba(0,0,0,0.45), 0 0 24px rgba(57,255,136,0.1);
}

.project-card .terminal-bar {
  justify-content: space-between;
}

.status-badge {
  margin-left: auto;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 3px 9px;
  border-radius: 100px;
  border: 1px solid currentColor;
}
.status-pass { color: var(--green); }
.status-progress { color: var(--amber); }

.project-body { padding: 22px 24px 26px; }
.project-body h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
  color: var(--text);
}
.project-body p {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin: 0 0 16px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}
.tags span {
  font-size: 0.72rem;
  color: var(--green-bright);
  background: rgba(57,255,136,0.08);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 100px;
}

.project-links {
  display: flex;
  gap: 20px;
}
.project-links a {
  font-size: 0.85rem;
  color: var(--text-dim);
  transition: color var(--transition);
}
.project-links a:hover { color: var(--green); }

.link-pending {
  color: var(--text-faint);
  font-size: 0.8rem;
  font-style: italic;
}

.project-card-empty {
  border-style: dashed;
  display: flex;
  flex-direction: column;
}
.project-empty-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 50px 24px;
}
.project-empty-text {
  color: var(--green-bright);
  font-size: 1rem;
  margin: 0 0 8px;
}
.project-empty-sub {
  color: var(--text-faint);
  font-size: 0.85rem;
  margin: 0;
}

/* ---------- contact ---------- */

.contact-sub {
  color: var(--text-dim);
  max-width: 520px;
  margin: -30px 0 44px;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: 28px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.contact-card svg {
  width: 26px;
  height: 26px;
  color: var(--green);
}
.contact-card:hover {
  transform: translateY(-5px);
  border-color: var(--green-dim);
  box-shadow: 0 14px 34px rgba(0,0,0,0.4), 0 0 22px rgba(57,255,136,0.1);
}
.contact-label {
  font-weight: 700;
  color: var(--text);
  font-size: 0.98rem;
}
.contact-value {
  color: var(--text-dim);
  font-size: 0.82rem;
  word-break: break-word;
}

/* ---------- footer ---------- */

.footer {
  padding: 40px 24px 50px;
  text-align: center;
  border-top: 1px solid var(--border-soft);
}
.footer-line {
  color: var(--green-bright);
  font-size: 0.88rem;
  margin: 0 0 10px;
}
.footer-copy {
  color: var(--text-faint);
  font-size: 0.78rem;
  margin: 0;
}

/* ---------- back to top ---------- */

.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--green-dim);
  background: var(--surface);
  color: var(--green);
  font-size: 1.1rem;
  cursor: pointer;
  z-index: 40;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.back-to-top:hover {
  box-shadow: 0 0 22px var(--green-glow);
}

/* ---------- keyframes ---------- */

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes scrollhint {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(14px); opacity: 0; }
}

/* ---------- responsive ---------- */

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-tagline { margin-left: auto; margin-right: auto; }
  .hero-actions, .hero-socials { justify-content: center; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }

  .nav-links {
    position: fixed;
    top: 64px;
    right: 0;
    left: 0;
    background: rgba(6,10,8,0.97);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: center;
    padding: 22px 0;
    gap: 22px;
    transform: translateY(-120%);
    opacity: 0;
    transition: transform var(--transition), opacity var(--transition);
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
  }
  .nav-toggle { display: flex; }
}

@media (max-width: 480px) {
  .section { padding: 80px 18px; }
  .terminal-card { max-width: 100%; }
}

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { transition: none; opacity: 1; transform: none; }
  .avatar-ring-spin, .blink-cursor, .type-cursor, .brand-cursor, .scroll-hint span {
    animation: none;
  }
}