/* ============================================================
   TRON THEME — Danny Nassar Portfolio
   ============================================================ */
@font-face {
  font-family: 'Tron';
  src: url('fonts/Tron.ttf') format('truetype');
  font-weight: 400;
  font-display: swap;
}

:root {
  --bg: #02060c;
  --bg-panel: rgba(4, 14, 24, 0.85);
  --cyan: #00e5ff;
  --cyan-soft: #6fc3df;
  --cyan-dim: rgba(0, 229, 255, 0.35);
  --cyan-faint: rgba(0, 229, 255, 0.08);
  --white: #eafcff;
  --text: #b8d4dd;
  --orange: #ff9f1c; /* Tron rival accent, used sparingly */
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Rajdhani', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.6;
  overflow-x: hidden;
}

::selection { background: var(--cyan); color: #001218; }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: #010409; }
::-webkit-scrollbar-thumb { background: #0a3947; border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--cyan-dim); }

/* ===== Background grid ===== */
.grid-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 100% 80% at 50% 30%, black 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 100% 80% at 50% 30%, black 40%, transparent 100%);
}

.scanline {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent 0px,
    transparent 3px,
    rgba(0, 0, 0, 0.12) 4px
  );
}

/* ===== Custom TRON cursor ===== */
/* 20-step sprite extracted from TRONnormal.ani; enabled by JS on fine pointers */
.cursor-fx {
  position: fixed;
  top: 0; left: 0;
  width: 32px;
  height: 32px;
  background: url('cursor/tron-cursor-sprite.png') 0 0 / 640px 32px no-repeat;
  pointer-events: none;
  z-index: 9999;
  display: none;
  will-change: transform;
  animation: cursorPulse 3.4s steps(20) infinite;
}

/* !important so element-level cursor rules (e.g. button pointer) can't leak through */
body.has-cursor-fx,
body.has-cursor-fx * { cursor: none !important; }

body.has-cursor-fx .cursor-fx { display: block; }

@keyframes cursorPulse {
  from { background-position: 0 0; }
  to { background-position: -640px 0; }
}

/* Pointing-hand variant (TRONlink.ani, 18 steps); hotspot sits at the fingertip */
.cursor-fx.is-link {
  background-image: url('cursor/tron-link-sprite.png');
  background-size: 576px 32px;
  margin-left: -9px;
  animation: cursorPulseLink 1.5s steps(18) infinite;
}

@keyframes cursorPulseLink {
  from { background-position: 0 0; }
  to { background-position: -576px 0; }
}

/* ===== Nav ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(2, 6, 12, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--cyan-dim);
  box-shadow: 0 0 24px rgba(0, 229, 255, 0.12);
}

.nav-inner {
  /* full-bleed: logo hugs the left edge, links hug the right on wide screens */
  padding: 0.85rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: 'Tron', var(--font-display);
  font-weight: 400;
  font-size: 1.4rem;
  color: var(--cyan);
  text-decoration: none;
  letter-spacing: 2px;
  text-shadow: 0 0 12px var(--cyan-dim);
}

.logo-dot {
  /* TRON face has no plain underscore glyph — render the dash in Orbitron */
  font-family: var(--font-display);
  font-weight: 900;
  animation: blink 1.1s steps(2) infinite;
}

.nav-links {
  display: flex;
  gap: 1.8rem;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--cyan-soft);
  text-decoration: none;
  padding: 0.3rem 0;
  border-bottom: 1px solid transparent;
  transition: color 0.25s, border-color 0.25s, text-shadow 0.25s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  text-shadow: 0 0 10px var(--cyan-dim);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan-dim);
  transition: transform 0.3s, opacity 0.3s;
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  padding: 6rem 1.5rem 4rem;
  overflow: hidden;
}

.hero-content { position: relative; z-index: 2; }

.hero-pre {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 6px;
  color: var(--cyan-soft);
  margin-bottom: 1.2rem;
  animation: flicker 4s infinite;
}

.hero-name {
  font-family: 'Tron', var(--font-display);
  font-weight: 400; /* single-weight font — heavier values trigger ugly faux-bold */
  /* TRON face is much wider than Orbitron — sized down to fit small screens */
  font-size: clamp(1.5rem, 6.5vw, 4.5rem);
  letter-spacing: clamp(2px, 1vw, 10px);
  color: var(--white);
  text-shadow:
    0 0 6px var(--cyan),
    0 0 24px var(--cyan-dim),
    0 0 60px rgba(0, 229, 255, 0.25);
}

/* Glitch effect — two clipped color-shifted copies flash briefly */
.glitch { position: relative; }

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  opacity: 0.75;
  pointer-events: none;
  clip-path: inset(0 0 100% 0);
}

.glitch::before {
  color: var(--orange);
  text-shadow: -2px 0 var(--orange);
  transform: translateX(-3px);
  animation: glitchSlice 5s steps(1) infinite;
}

.glitch::after {
  color: var(--cyan);
  text-shadow: 2px 0 var(--cyan);
  transform: translateX(3px);
  animation: glitchSlice 5s steps(1) infinite;
  animation-delay: 2.5s;
}

@keyframes glitchSlice {
  0%, 100% { clip-path: inset(0 0 100% 0); }
  2% { clip-path: inset(15% 0 65% 0); }
  4% { clip-path: inset(60% 0 25% 0); }
  6% { clip-path: inset(35% 0 45% 0); }
  8% { clip-path: inset(0 0 100% 0); }
}

.hero-divider {
  width: min(420px, 70%);
  height: 2px;
  margin: 1.6rem auto;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  box-shadow: 0 0 16px var(--cyan-dim);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(0.95rem, 3vw, 1.4rem);
  letter-spacing: 3px;
  color: var(--cyan);
  min-height: 1.8em;
  text-transform: uppercase;
}

.cursor {
  color: var(--cyan);
  animation: blink 1s steps(2) infinite;
}

.hero-sub {
  margin-top: 1rem;
  font-size: 1.1rem;
  letter-spacing: 4px;
  color: var(--text);
  text-transform: uppercase;
}

.hero-cta {
  margin-top: 2.5rem;
  display: flex;
  gap: 1.2rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.85rem 2rem;
  border: 1px solid var(--cyan);
  position: relative;
  transition: all 0.25s;
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
}

.btn-primary {
  background: var(--cyan);
  color: #001218;
  font-weight: 700;
  box-shadow: 0 0 20px var(--cyan-dim);
}

.btn-primary:hover {
  background: var(--white);
  border-color: var(--white);
  box-shadow: 0 0 32px rgba(0, 229, 255, 0.6);
}

.btn-ghost {
  background: var(--cyan-faint);
  color: var(--cyan);
}

.btn-ghost:hover {
  background: rgba(0, 229, 255, 0.18);
  box-shadow: 0 0 24px var(--cyan-dim), inset 0 0 12px rgba(0, 229, 255, 0.15);
  text-shadow: 0 0 8px var(--cyan-dim);
}

/* Hero horizon glow */
.hero-horizon {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 22%;
  z-index: 0;
  background:
    linear-gradient(to top, rgba(0, 229, 255, 0.12), transparent 70%);
  perspective: 400px;
  overflow: hidden;
}

.hero-horizon::before {
  content: '';
  position: absolute;
  inset: -100% -50% 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.25) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.25) 1px, transparent 1px);
  background-size: 60px 60px;
  transform: rotateX(62deg);
  transform-origin: bottom;
  animation: gridMove 14s linear infinite;
  mask-image: linear-gradient(to top, black 30%, transparent 90%);
  -webkit-mask-image: linear-gradient(to top, black 30%, transparent 90%);
}

.hero-horizon::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  box-shadow: 0 0 30px 4px var(--cyan-dim);
}

/* ===== Sections ===== */
.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 5.5rem 1.5rem 2rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 700;
  letter-spacing: 6px;
  color: var(--white);
  margin-bottom: 2.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  text-shadow: 0 0 14px var(--cyan-dim);
}

.section-title::before {
  content: attr(data-num);
  font-size: 0.85rem;
  color: var(--cyan);
  border: 1px solid var(--cyan-dim);
  padding: 0.25rem 0.6rem;
  letter-spacing: 2px;
}

.section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan-dim), transparent);
}

/* ===== Panels ===== */
.panel {
  background: var(--bg-panel);
  border: 1px solid var(--cyan-dim);
  padding: 1.8rem;
  position: relative;
  box-shadow: 0 0 18px rgba(0, 229, 255, 0.06), inset 0 0 30px rgba(0, 229, 255, 0.03);
  clip-path: polygon(16px 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%, 0 16px);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.panel:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 28px rgba(0, 229, 255, 0.18), inset 0 0 30px rgba(0, 229, 255, 0.05);
}

/* ===== About ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

.about-text { margin-bottom: 1rem; font-size: 1.12rem; }
.about-text:last-of-type { margin-bottom: 0; }

.hl {
  color: var(--cyan);
  text-shadow: 0 0 8px var(--cyan-dim);
  font-weight: 600;
}

.about-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 1.8rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--cyan-faint);
  flex-wrap: wrap;
}

.stat { display: flex; flex-direction: column; }

.stat-num, .stat-plus {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--cyan);
  text-shadow: 0 0 14px var(--cyan-dim);
  display: inline;
}

.stat-num + .stat-plus { margin-left: 2px; }

.stat { flex-direction: row; flex-wrap: wrap; align-items: baseline; column-gap: 0; }
.stat .stat-label {
  width: 100%;
  font-size: 0.78rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text);
}

/* Identity card */
.id-card { font-size: 0.98rem; }

.id-header {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 4px;
  color: var(--cyan);
  border-bottom: 1px solid var(--cyan-dim);
  padding-bottom: 0.7rem;
  margin-bottom: 1rem;
  text-shadow: 0 0 10px var(--cyan-dim);
}

.id-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.45rem 0;
  border-bottom: 1px dashed rgba(0, 229, 255, 0.12);
}

.id-row:last-child { border-bottom: none; }

.id-key {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 2px;
  color: var(--cyan-soft);
  padding-top: 0.25rem;
}

.id-val { color: var(--white); text-align: right; }
.id-val.online { color: #3dff8f; text-shadow: 0 0 10px rgba(61, 255, 143, 0.5); }

/* ===== Timeline ===== */
.timeline {
  position: relative;
  padding-left: 2.2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(to bottom, var(--cyan), rgba(0, 229, 255, 0.1));
  box-shadow: 0 0 10px var(--cyan-dim);
}

.t-item { position: relative; margin-bottom: 2rem; }

.t-marker {
  position: absolute;
  left: -2.2rem;
  top: 8px;
  width: 16px; height: 16px;
  background: var(--bg);
  border: 2px solid var(--cyan);
  transform: rotate(45deg);
  box-shadow: 0 0 12px var(--cyan-dim);
}

.t-card {
  background: var(--bg-panel);
  border: 1px solid var(--cyan-dim);
  border-left: 3px solid var(--cyan);
  padding: 1.5rem 1.8rem;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}

.t-card:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 26px rgba(0, 229, 255, 0.15);
  transform: translateX(4px);
}

.t-date {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 2px;
  color: #001218;
  background: var(--cyan);
  padding: 0.25rem 0.7rem;
  display: inline-block;
  margin-bottom: 0.8rem;
  font-weight: 700;
}

.t-role {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--white);
  text-transform: uppercase;
}

.t-org {
  color: var(--cyan-soft);
  font-size: 0.95rem;
  letter-spacing: 1px;
  margin: 0.2rem 0 0.9rem;
  text-transform: uppercase;
}

.t-points {
  list-style: none;
  display: grid;
  gap: 0.45rem;
}

.t-points li {
  padding-left: 1.3rem;
  position: relative;
}

.t-points li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--cyan);
}

/* ===== Skills ===== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.skill-cat {
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 3px;
  color: var(--cyan);
  margin-bottom: 1.1rem;
  text-shadow: 0 0 10px var(--cyan-dim);
  text-transform: uppercase;
}

.tags { display: flex; flex-wrap: wrap; gap: 0.6rem; }

.tag {
  font-family: var(--font-display);
  font-size: 0.68rem;
  letter-spacing: 1.5px;
  color: var(--white);
  background: var(--cyan-faint);
  border: 1px solid var(--cyan-dim);
  padding: 0.4rem 0.85rem;
  transition: all 0.25s;
  cursor: default;
}

.tag:hover {
  background: var(--cyan);
  color: #001218;
  box-shadow: 0 0 16px var(--cyan-dim);
  font-weight: 700;
}

/* ===== Certificates ===== */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.cert-card { text-align: center; padding: 2.2rem 1.5rem; }

.cert-icon {
  font-size: 2.2rem;
  color: var(--cyan);
  text-shadow: 0 0 18px var(--cyan-dim);
  margin-bottom: 0.8rem;
  animation: pulse 3s ease-in-out infinite;
}

.cert-card h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 1.5px;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.cert-issuer {
  font-family: var(--font-display);
  font-size: 0.62rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--cyan);
  text-shadow: 0 0 8px var(--cyan-dim);
  margin-top: 0.35rem;
}

.edu-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

/* ===== Contact ===== */
.contact-panel { padding: 2.5rem; }

.contact-lead {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 5px;
  color: var(--cyan-soft);
  margin-bottom: 1.8rem;
  animation: flicker 5s infinite;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1.1rem 1.3rem;
  border: 1px solid var(--cyan-faint);
  background: rgba(0, 229, 255, 0.03);
  text-decoration: none;
  transition: all 0.25s;
}

a.contact-item:hover {
  border-color: var(--cyan);
  background: var(--cyan-faint);
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.12);
  transform: translateY(-2px);
}

.contact-key {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 3px;
  color: var(--cyan);
}

.contact-val { color: var(--white); font-size: 1.05rem; }

/* ===== Contact form ===== */
.contact-form {
  margin-top: 1.5rem;
  padding: 2.5rem;
  display: grid;
  gap: 1.3rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.3rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-key {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 3px;
  color: var(--cyan);
}

.form-field input,
.form-field textarea {
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: var(--white);
  background: rgba(0, 229, 255, 0.03);
  border: 1px solid var(--cyan-faint);
  padding: 0.8rem 1rem;
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
}

.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--cyan);
  background: var(--cyan-faint);
  box-shadow: 0 0 18px rgba(0, 229, 255, 0.15);
}

.form-field ::placeholder {
  color: rgba(184, 212, 221, 0.45);
}

.form-field textarea {
  resize: vertical;
  min-height: 140px;
}

.honey {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

button.btn {
  cursor: pointer;
  justify-self: start;
}

button.btn:disabled {
  opacity: 0.5;
  cursor: wait;
}

.form-status {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 2px;
  min-height: 1.2em;
}

.form-status.ok { color: #3dff8f; text-shadow: 0 0 10px rgba(61, 255, 143, 0.4); }
.form-status.err { color: var(--orange); text-shadow: 0 0 10px rgba(255, 159, 28, 0.4); }

/* ===== Footer ===== */
.footer {
  margin-top: 5rem;
  padding: 2rem 1.5rem;
  text-align: center;
  border-top: 1px solid var(--cyan-dim);
  background: rgba(0, 229, 255, 0.02);
}

.footer p {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 4px;
  color: var(--cyan-soft);
}

/* ===== Reveal animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Keyframes ===== */
@keyframes blink { 50% { opacity: 0; } }

@keyframes gridMove {
  from { background-position: 0 0; }
  to { background-position: 0 60px; }
}

@keyframes pulse {
  0%, 100% { text-shadow: 0 0 12px var(--cyan-dim); }
  50% { text-shadow: 0 0 28px var(--cyan), 0 0 50px var(--cyan-dim); }
}

@keyframes flicker {
  0%, 100% { opacity: 1; }
  92% { opacity: 1; }
  93% { opacity: 0.4; }
  94% { opacity: 1; }
  96% { opacity: 0.6; }
  97% { opacity: 1; }
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .logo-dot,
  .cursor,
  .hero-pre,
  .contact-lead,
  .cert-icon,
  .hero-horizon::before,
  .glitch::before,
  .glitch::after {
    animation: none;
  }

  .glitch::before,
  .glitch::after { content: none; }

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

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .about-grid, .skills-grid, .edu-grid, .contact-grid, .form-row { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: 1fr; }

  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: 56px;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(2, 6, 12, 0.97);
    border-left: 1px solid var(--cyan-dim);
    border-bottom: 1px solid var(--cyan-dim);
    width: 220px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
  }

  .nav-links.open { transform: translateX(0); }

  .nav-links li { border-bottom: 1px solid var(--cyan-faint); }
  .nav-links a { display: block; padding: 1rem 1.5rem; border-bottom: none; }

  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}