/* ── Reset & Base ── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #080808;
  --surface: #111111;
  --border: #1e1e1e;
  --red: #cc0000;
  --red-glow: #ff000066;
  --green: #00ff41;
  --dim: #888;
  --text: #d4d4d4;
  --white: #f0f0f0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Courier New', Courier, monospace;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── CRT scanlines overlay ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(0deg,
      transparent,
      transparent 2px,
      rgba(0, 0, 0, 0.08) 2px,
      rgba(0, 0, 0, 0.08) 4px);
  pointer-events: none;
  z-index: 9999;
}

/* ── Noise texture ── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9998;
  opacity: 0.4;
}

/* ── Nav ── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: rgba(8, 8, 8, 0.85);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(6px);
}

.nav-logo {
  color: var(--red);
  font-size: 1.3rem;
  font-weight: bold;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--dim);
  text-decoration: none;
  font-size: 1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--red);
}

/* ── Hero ── */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 6rem 2rem 4rem;
  position: relative;
  overflow: visible;
}

/* Blood drip border */
#hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--red);
  box-shadow: 0 0 20px var(--red-glow), 0 0 60px var(--red-glow);
}

.hero-name {
  font-size: clamp(3rem, 10vw, 7rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  line-height: 1;
  color: var(--white);
  position: relative;
  cursor: default;
  animation:
    glitch-base 4s infinite steps(1) -2.8s,
    flicker-a 6.7s infinite steps(1) -5.1s,
    flicker-b 2.9s infinite steps(1) -1.9s,
    shake 5s infinite steps(1) -2.7s;
}

/* Glitch layers */
.hero-name::before,
.hero-name::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  font: inherit;
}

.hero-name::before {
  color: var(--red);
  animation: glitch-1 4s infinite steps(1);
  clip-path: polygon(0 20%, 100% 20%, 100% 40%, 0 40%);
}

.hero-name::after {
  color: var(--green);
  animation: glitch-2 4s infinite steps(1);
  clip-path: polygon(0 60%, 100% 60%, 100% 80%, 0 80%);
}

@keyframes shake {

  0%, 74%, 100% { transform: translate(0, 0) scale(1);        opacity: 1; }
  75%  { transform: translate(0, 0)        scale(1.06);       opacity: 1; }
  76%  { transform: translate(0, 0)        scale(1.1);        opacity: 1; }
  77%  { transform: translate(0, 0)        scale(1.13);       opacity: 1; }
  78%  { transform: translate(0, 0)        scale(1.13);       opacity: 1; }
  78.3% { transform: translate(-5px, 2px)  scale(1.13);       opacity: 0; }
  78.6% { transform: translate(6px, -3px)  scale(1.13);       opacity: 1; }
  78.9% { transform: translate(-4px, 4px)  scale(1.13);       opacity: 0; }
  79.2% { transform: translate(7px, -1px)  scale(1.13);       opacity: 1; }
  79.5% { transform: translate(-6px, 3px)  scale(1.13);       opacity: 0.2; }
  79.8% { transform: translate(4px, -4px)  scale(1.13);       opacity: 1; }
  80.1% { transform: translate(-3px, 2px)  scale(1.13);       opacity: 0; }
  80.4% { transform: translate(5px, -2px)  scale(1.13);       opacity: 1; }
  80.7% { transform: translate(-7px, 1px)  scale(1.13);       opacity: 0.15; }
  81.0% { transform: translate(3px, 3px)   scale(1.13);       opacity: 1; }
  81.3% { transform: translate(-4px, -3px) scale(1.13);       opacity: 0; }
  81.6% { transform: translate(6px, 2px)   scale(1.13);       opacity: 1; }
  81.9% { transform: translate(0, 0)       scale(1);          opacity: 1; }
}

@keyframes flicker-a {

  0%, 88%, 100% { opacity: 1; }
  88.2% { opacity: 0; }
  88.5% { opacity: 1; }
  88.8% { opacity: 0.15; }
  89.1% { opacity: 1; }
  89.3% { opacity: 0; }
  89.6% { opacity: 1; }
}

@keyframes flicker-b {

  0%, 93%, 100% { opacity: 1; }
  93.4% { opacity: 0; }
  93.8% { opacity: 1; }
}

@keyframes glitch-base {

  0%, 90%, 100% { opacity: 1; }
  91%  { opacity: 0; }
  92%  { opacity: 1; }
  93%  { opacity: 0.2; }
  94%  { opacity: 1; }
  95%  { opacity: 0; }
  96%  { opacity: 1; }
  97%  { opacity: 0; }
  98%  { opacity: 1; }
}

@keyframes glitch-1 {

  0%, 90%, 100% { transform: translate(0, 0); opacity: 0; }
  91% { transform: translate(-4px, -2px); opacity: 1; }
  93% { transform: translate(4px, 1px);   opacity: 1; }
  95% { transform: translate(-2px, 3px);  opacity: 1; }
  97% { transform: translate(0, 0);       opacity: 0; }
}

@keyframes glitch-2 {

  0%, 88%, 100% { transform: translate(0, 0);    opacity: 0; }
  89% { transform: translate(3px, 2px);   opacity: 1; }
  92% { transform: translate(-3px, -1px); opacity: 1; }
  94% { transform: translate(0, 0);       opacity: 0; }
}

.hero-title {
  margin-top: 1rem;
  font-size: clamp(0.9rem, 2.5vw, 1.3rem);
  letter-spacing: 0.3em;
  color: var(--dim);
  text-transform: uppercase;
}

.hero-title span {
  color: var(--red);
}

.hero-cta {
  margin-top: 3rem;
  display: inline-block;
  padding: 0.75rem 2.2rem;
  border: 1px solid var(--red);
  color: var(--red);
  text-decoration: none;
  letter-spacing: 0.2em;
  font-size: 0.8rem;
  text-transform: uppercase;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}

.hero-cta:hover {
  background: var(--red);
  color: #000;
  box-shadow: 0 0 30px var(--red-glow);
}

/* ── Section base ── */
section {
  max-width: 960px;
  margin: 0 auto;
  padding: 6rem 2rem;
}

.section-label {
  font-size: 0.7rem;
  letter-spacing: 0.4em;
  color: var(--red);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  will-change: opacity;
}

.section-title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 900;
  text-transform: uppercase;
  color: var(--white);
  letter-spacing: 0.05em;
  margin-bottom: 3rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  display: block;
  margin-top: 0.4rem;
  height: 2px;
  width: 60%;
  background: var(--red);
  box-shadow: 0 0 12px var(--red-glow);
}

/* ── About ── */
#about-inner::after {
  content: '';
  display: table;
  clear: both;
}

.about-details {
  float: right;
  margin-left: 2.5rem;
  margin-bottom: 1rem;
  border-left: 1px solid var(--border);
  padding-left: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.about-bio p {
  line-height: 1.8;
  color: var(--text);
  margin-bottom: 1rem;
}

.about-bio p+p {
  margin-top: 0;
}

.detail-row {
  display: flex;
  gap: 1rem;
  font-size: 0.82rem;
}

.detail-label {
  color: var(--red);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  min-width: 90px;
}

.detail-value {
  color: var(--text);
}

/* ── Skills ── */
.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.skill-tag {
  border: 1px solid var(--border);
  padding: 0.5rem 0.8rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--dim);
  text-transform: uppercase;
  transition: border-color 0.2s, color 0.2s, box-shadow 0.2s;
  cursor: default;
}

.skill-tag:hover {
  border-color: var(--red);
  color: var(--red);
  box-shadow: 0 0 14px var(--red-glow);
}

/* ── Projects ── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  padding: 1.5rem;
  position: relative;
  transition: border-color 0.2s, box-shadow 0.2s;
  background: var(--surface);
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -1px;
  width: 3px;
  height: 100%;
  background: var(--red);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.3s;
  will-change: transform;
}

.project-card:hover {
  border-color: #333;
}

.project-card:hover::before {
  transform: scaleY(1);
}

.project-number {
  font-size: 0.65rem;
  color: var(--red);
  letter-spacing: 0.2em;
  margin-bottom: 0.8rem;
}

.project-title {
  font-size: 1rem;
  font-weight: bold;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.6rem;
}

.project-desc {
  font-size: 0.82rem;
  color: var(--dim);
  line-height: 1.7;
  margin-bottom: 1.2rem;
}

.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.2rem;
}

.stack-tag {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--green);
  border: 1px solid rgba(0, 255, 65, 0.2);
  padding: 0.2rem 0.5rem;
  text-transform: uppercase;
}

.project-links {
  margin-top: auto;
  display: flex;
  gap: 1rem;
}

.project-link {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dim);
  text-decoration: none;
  transition: color 0.2s;
}

.project-link:hover {
  color: var(--red);
}

.project-link::before {
  content: '↗ ';
}

/* ── Contact ── */
#contact {
  border-top: 1px solid var(--border);
}

.contact-intro {
  color: var(--dim);
  line-height: 1.8;
  margin-bottom: 2.5rem;
  max-width: 520px;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--border);
  color: var(--dim);
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: border-color 0.2s, color 0.2s, box-shadow 0.2s;
}

.contact-link:hover {
  border-color: var(--red);
  color: var(--red);
  box-shadow: 0 0 20px var(--red-glow);
}

.contact-link svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

/* ── Footer ── */
footer {
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--border);
  font-size: 0.7rem;
  color: #333;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* ── Cursor blink ── */
.cursor {
  display: inline-block;
  width: 0.6em;
  height: 1em;
  background: var(--green);
  animation: blink 1s step-end infinite;
  vertical-align: middle;
  margin-left: 2px;
}

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

/* ── Fade-in on scroll ── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
}

.reveal.visible {
  animation: revealIn 0.7s ease-out forwards;
}

@keyframes revealIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Responsive ── */
@media (max-width: 680px) {
  nav {
    padding: 0.9rem 1.2rem;
  }

  .nav-links {
    gap: 1.2rem;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  section {
    padding: 4rem 1.2rem;
  }
}

@media (max-width: 576px) {
  .about-details {
    float: none;
    margin-left: 0;
    border-left: none;
    padding-left: 0;
    border-top: 1px solid var(--border);
    padding-top: 1.5rem;
    margin-top: 1.5rem;
  }
}

@media (max-width: 420px) {
  .nav-links {
    display: none;
  }
}