/* ======================
   0x711 // minimal pentester portfolio
   black & white only
   ==================== */

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

:root {
  --black: #000000;
  --white: #ffffff;
  --gray-dark: #111111;
  --gray-mid: #333333;
  --gray-light: #888888;
  --gray-lighter: #cccccc;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "SF Mono", "Fira Code", "Cascadia Code", "JetBrains Mono", "Consolas", monospace;
  background: var(--black);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  cursor: default;
}

::selection {
  background: var(--white);
  color: var(--black);
}

/* Scanline overlay */
.scanline {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(255, 255, 255, 0.015) 2px,
    rgba(255, 255, 255, 0.015) 4px
  );
}

/* ---- Typography ---- */

h1, h2, h3 {
  font-weight: 400;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1rem;
  text-transform: lowercase;
  color: var(--gray-light);
  margin-bottom: 3rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--gray-mid);
}

a {
  color: var(--white);
  text-decoration: none;
  transition: opacity 0.2s;
}

a:hover {
  opacity: 0.6;
}

.mono {
  font-family: inherit;
}

/* ---- Container ---- */

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ---- Navigation ---- */

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-mid);
}

.logo {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.blink {
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.8rem;
  color: var(--gray-light);
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--white);
  opacity: 1;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--gray-mid);
  color: var(--white);
  font-family: inherit;
  font-size: 1rem;
  padding: 0.25rem 0.5rem;
  cursor: pointer;
}

/* ---- Hero ---- */

#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 2rem 4rem;
}

.hero-content {
  text-align: center;
}

.hero-pre {
  font-size: 0.85rem;
  color: var(--gray-light);
  margin-bottom: 1rem;
}

.hero-content h1 {
  font-size: clamp(3rem, 10vw, 8rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 1.5rem;
}

.hero-tagline {
  font-size: 0.9rem;
  color: var(--gray-light);
  margin-bottom: 3rem;
  letter-spacing: 0.1em;
}

.hero-prompt {
  font-size: 0.85rem;
  color: var(--gray-light);
  margin-bottom: 3rem;
  min-height: 1.5em;
}

.cursor {
  animation: blink 0.7s step-end infinite;
}

.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border: 1px solid var(--white);
  font-family: inherit;
  font-size: 0.85rem;
  color: var(--white);
  transition: all 0.2s;
  letter-spacing: 0.05em;
}

.btn:hover {
  background: var(--white);
  color: var(--black);
  opacity: 1;
}

/* ---- Sections ---- */

section {
  padding: 6rem 0;
  border-top: 1px solid var(--gray-mid);
}

/* ---- About ---- */

.about-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-text p {
  color: var(--gray-lighter);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.about-stats {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

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

.stat-num {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--gray-light);
  text-transform: lowercase;
}

/* ---- Services ---- */

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--gray-mid);
}

.service-card {
  background: var(--black);
  padding: 2.5rem;
  transition: background 0.3s;
}

.service-card:hover {
  background: var(--gray-dark);
}

.service-icon {
  font-size: 1rem;
  color: var(--gray-light);
  margin-bottom: 1.5rem;
}

.service-card h3 {
  font-size: 1rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.service-card p {
  font-size: 0.8rem;
  color: var(--gray-light);
  line-height: 1.7;
}

/* ---- Arsenal ---- */

.arsenal-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3rem;
}

.arsenal-category h3 {
  font-size: 0.8rem;
  color: var(--gray-light);
  margin-bottom: 1.5rem;
  text-transform: lowercase;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--gray-mid);
}

.arsenal-category ul {
  list-style: none;
}

.arsenal-category li {
  font-size: 0.85rem;
  color: var(--gray-lighter);
  padding: 0.4rem 0;
  transition: color 0.2s;
}

.arsenal-category li:hover {
  color: var(--white);
}

.arsenal-category li::before {
  content: "> ";
  color: var(--gray-mid);
}

/* ---- Contact ---- */

.contact-content > p {
  font-size: 1.2rem;
  margin-bottom: 3rem;
  color: var(--gray-lighter);
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.contact-item {
  display: flex;
  align-items: baseline;
  gap: 2rem;
  font-size: 0.85rem;
}

.contact-label {
  color: var(--gray-light);
  min-width: 60px;
  text-transform: lowercase;
}

.contact-item a,
.contact-item .mono {
  color: var(--white);
}

.contact-note p {
  font-size: 0.75rem;
  color: var(--gray-mid);
  font-style: italic;
}

/* ---- Footer ---- */

footer {
  border-top: 1px solid var(--gray-mid);
  padding: 2rem 0;
}

footer p {
  font-size: 0.75rem;
  color: var(--gray-mid);
  text-align: center;
}

/* ---- Scroll Reveal ---- */

.scroll-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ---- Blog Listing Page ---- */

.blog-header {
  padding: 8rem 2rem 2rem;
  text-align: center;
}

.blog-header h1 {
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-bottom: 0.5rem;
}

.blog-header .blog-subtitle {
  font-size: 0.85rem;
  color: var(--gray-light);
  margin-bottom: 0;
}

.blog-listing {
  padding: 2rem 0 6rem;
}

.blog-listing-header {
  font-size: 0.75rem;
  color: var(--gray-mid);
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--gray-mid);
  margin-bottom: 0;
  display: grid;
  grid-template-columns: 100px 100px 90px 1fr;
  gap: 1rem;
}

.blog-entry {
  display: grid;
  grid-template-columns: 100px 100px 90px 1fr;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--gray-dark);
  font-size: 0.85rem;
  color: var(--gray-lighter);
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.blog-entry:hover {
  background: var(--gray-dark);
  color: var(--white);
  opacity: 1;
}

.blog-entry .entry-perms {
  color: var(--gray-mid);
  font-size: 0.75rem;
}

.blog-entry .entry-date {
  color: var(--gray-light);
  font-size: 0.8rem;
}

.blog-entry .entry-difficulty {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.blog-entry .entry-difficulty.easy {
  color: var(--gray-light);
}

.blog-entry .entry-difficulty.medium {
  color: var(--gray-lighter);
}

.blog-entry .entry-difficulty.hard {
  color: var(--white);
}

.blog-entry .entry-difficulty.insane {
  color: var(--white);
  text-decoration: underline;
}

.blog-entry .entry-name {
  color: var(--white);
  font-weight: 600;
}

.blog-empty {
  padding: 3rem 0;
  color: var(--gray-mid);
  font-size: 0.85rem;
  text-align: center;
  font-style: italic;
}

/* ---- Writeup Page ---- */

.writeup-nav {
  padding: 6rem 0 0.5rem;
  font-size: 0.8rem;
}

.writeup-nav a {
  color: var(--gray-light);
  transition: color 0.2s;
}

.writeup-nav a:hover {
  color: var(--white);
  opacity: 1;
}

.writeup-header {
  padding: 6rem 0 2rem;
  border-bottom: 1px solid var(--gray-mid);
  margin-bottom: 3rem;
}

.writeup-header h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.writeup-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: 0.8rem;
}

.writeup-meta .meta-item {
  display: flex;
  gap: 0.5rem;
}

.writeup-meta .meta-label {
  color: var(--gray-mid);
  text-transform: lowercase;
}

.writeup-meta .meta-value {
  color: var(--gray-lighter);
}

.writeup-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.writeup-tags .tag {
  font-size: 0.7rem;
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--gray-mid);
  color: var(--gray-light);
}

.writeup-content {
  padding-bottom: 4rem;
}

.writeup-content h2 {
  font-size: 1rem;
  color: var(--gray-light);
  margin-top: 3rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--gray-mid);
  text-transform: lowercase;
}

.writeup-content h2:first-child {
  margin-top: 0;
}

.writeup-content p {
  font-size: 0.85rem;
  color: var(--gray-lighter);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.writeup-content ul,
.writeup-content ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.writeup-content li {
  font-size: 0.85rem;
  color: var(--gray-lighter);
  line-height: 1.8;
  margin-bottom: 0.25rem;
}

.writeup-content li::marker {
  color: var(--gray-mid);
}

/* Code blocks */
.code-block {
  background: var(--gray-dark);
  border: 1px solid var(--gray-mid);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  overflow-x: auto;
  font-size: 0.8rem;
  line-height: 1.7;
}

.code-block code {
  font-family: inherit;
  color: var(--gray-lighter);
}

.code-block .code-prompt {
  color: var(--white);
  font-weight: 600;
}

.code-block .code-comment {
  color: var(--gray-mid);
  font-style: italic;
}

.code-block .code-keyword {
  color: var(--white);
  font-weight: 700;
}

.code-block .code-string {
  color: var(--gray-lighter);
}

.code-block .code-output {
  color: var(--gray-light);
}

.code-block .code-highlight {
  color: var(--white);
  background: var(--gray-mid);
  padding: 0 0.25rem;
}

/* Inline code */
.writeup-content code {
  font-family: inherit;
  background: var(--gray-dark);
  padding: 0.15rem 0.4rem;
  font-size: 0.8rem;
  border: 1px solid var(--gray-mid);
}

/* Flag display */
.flag-block {
  border: 1px solid var(--gray-mid);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  background: var(--black);
}

.flag-block .flag-label {
  font-size: 0.7rem;
  color: var(--gray-mid);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.flag-block .flag-value {
  font-size: 0.9rem;
  color: var(--white);
  font-weight: 600;
  word-break: break-all;
}

/* Writeup bottom nav */
.writeup-bottom-nav {
  padding: 2rem 0;
  border-top: 1px solid var(--gray-mid);
  margin-top: 2rem;
  font-size: 0.8rem;
}

.writeup-bottom-nav a {
  color: var(--gray-light);
  transition: color 0.2s;
}

.writeup-bottom-nav a:hover {
  color: var(--white);
  opacity: 1;
}

/* ---- Mobile ---- */

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.95);
    padding: 1.5rem 2rem;
    gap: 1rem;
    border-bottom: 1px solid var(--gray-mid);
  }

  .nav-links.active {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .about-stats {
    flex-direction: row;
    gap: 3rem;
  }

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

  .arsenal-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }

  .blog-listing-header {
    grid-template-columns: 80px 80px 70px 1fr;
    gap: 0.75rem;
    font-size: 0.65rem;
  }

  .blog-entry {
    grid-template-columns: 80px 80px 70px 1fr;
    gap: 0.75rem;
    font-size: 0.8rem;
  }

  .writeup-meta {
    flex-direction: column;
    gap: 0.75rem;
  }

}

@media (max-width: 480px) {
  nav {
    padding: 1rem 1.5rem;
  }

  .container {
    padding: 0 1.5rem;
  }

  section {
    padding: 4rem 0;
  }

  .about-stats {
    flex-direction: column;
    gap: 1.5rem;
  }

  .arsenal-list {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .contact-item {
    flex-direction: column;
    gap: 0.25rem;
  }

  .blog-listing-header {
    display: none;
  }

  .blog-entry {
    grid-template-columns: 1fr;
    gap: 0.25rem;
    padding: 1rem 0;
  }

  .blog-entry .entry-perms {
    display: none;
  }

  .blog-entry .entry-date {
    order: 2;
    font-size: 0.7rem;
  }

  .blog-entry .entry-name {
    order: 1;
    font-size: 0.9rem;
  }

  .blog-entry .entry-difficulty {
    order: 3;
  }

  .writeup-header {
    padding: 4rem 0 1.5rem;
  }

  .code-block {
    font-size: 0.7rem;
    padding: 1rem;
  }
}