/* =============================================
   PM60S - Hacker Theme Styles
   Fonts: Orbitron, Share Tech Mono, JetBrains Mono
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&family=Share+Tech+Mono&family=JetBrains+Mono:ital,wght@0,400;0,700;1,400&display=swap');

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

:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #0d1117;
  --bg-card: #111822;
  --green: #00ff41;
  --green-dim: #00cc33;
  --green-glow: rgba(0, 255, 65, 0.15);
  --cyan: #00f0ff;
  --cyan-dim: #00b8c8;
  --cyan-glow: rgba(0, 240, 255, 0.12);
  --white: #e0e0e0;
  --gray: #6b7280;
  --red: #ff3355;
  --border: #1a2332;
  --font-display: 'Orbitron', monospace;
  --font-body: 'Share Tech Mono', monospace;
  --font-mono: 'JetBrains Mono', monospace;
  --max-width: 800px;
  --glitch-duration: 3s;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--white);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ---- Scanline overlay ---- */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 255, 65, 0.015) 2px,
    rgba(0, 255, 65, 0.015) 4px
  );
  pointer-events: none;
  z-index: 9999;
}

/* ---- Container ---- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 20px 60px;
  position: relative;
}

/* ---- Header / Hero ---- */
.hero {
  text-align: center;
  padding: 60px 0 30px;
  position: relative;
}

.hero::after {
  content: '';
  display: block;
  width: 60%;
  height: 1px;
  margin: 30px auto 0;
  background: linear-gradient(90deg, transparent, var(--green), transparent);
  box-shadow: 0 0 10px var(--green-glow);
}

.badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--green);
  border: 1px solid var(--green-dim);
  padding: 4px 14px;
  margin-bottom: 20px;
  opacity: 0.8;
}

/* ---- Glitch heading ---- */
.glitch-wrapper {
  position: relative;
  margin-bottom: 10px;
}

.glitch {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 5vw, 2.4rem);
  font-weight: 800;
  text-transform: uppercase;
  color: var(--green);
  text-shadow:
    0 0 7px var(--green-glow),
    0 0 20px var(--green-glow);
  position: relative;
  display: inline-block;
  letter-spacing: 2px;
  animation: glitch-skew var(--glitch-duration) infinite linear alternate-reverse;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.glitch::before {
  color: var(--cyan);
  animation: glitch-1 var(--glitch-duration) infinite linear alternate-reverse;
  clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
}

.glitch::after {
  color: var(--red);
  animation: glitch-2 var(--glitch-duration) infinite linear alternate-reverse;
  clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
}

@keyframes glitch-1 {
  0%, 85%, 100% { transform: none; opacity: 0; }
  86% { transform: translate(-2px, 1px); opacity: 1; }
  87% { transform: translate(1px, -1px); }
  88% { transform: translate(-1px, 2px); }
  89% { transform: translate(2px, -2px); opacity: 0; }
}

@keyframes glitch-2 {
  0%, 90%, 100% { transform: none; opacity: 0; }
  91% { transform: translate(1px, -1px); opacity: 1; }
  92% { transform: translate(-2px, 1px); }
  93% { transform: translate(2px, -2px); }
  94% { transform: translate(-1px, 2px); opacity: 0; }
}

@keyframes glitch-skew {
  0%, 80%, 100% { transform: skew(0deg); }
  81% { transform: skew(1deg); }
  82% { transform: skew(-0.5deg); }
  83% { transform: skew(0.5deg); }
}

/* ---- Subtitle / Lead ---- */
.lead {
  font-size: clamp(0.85rem, 2.5vw, 1rem);
  color: var(--gray);
  max-width: 650px;
  margin: 16px auto 8px;
  line-height: 1.8;
}

.lead a {
  color: var(--cyan);
  text-decoration: none;
  transition: all 0.3s;
}

.lead a:hover {
  text-shadow: 0 0 10px var(--cyan-glow);
  text-decoration: underline;
}

.hotline {
  display: inline-block;
  margin-top: 10px;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 4vw, 1.8rem);
  font-weight: 700;
  color: var(--green);
  text-decoration: none;
  letter-spacing: 3px;
  text-shadow: 0 0 15px var(--green-glow);
  transition: all 0.3s;
  cursor: pointer;
  padding: 8px 18px;
  border: 1px solid transparent;
  border-radius: 4px;
}

.hotline:hover {
  text-shadow: 0 0 25px var(--green-glow), 0 0 50px var(--green-glow);
  border-color: var(--green-dim);
  background: rgba(0, 255, 65, 0.03);
}

/* ---- OTP Section ---- */
.otp-section {
  margin: 40px auto;
  max-width: 480px;
  text-align: center;
  padding: 30px 20px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-card);
  position: relative;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.otp-section.hidden {
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  max-height: 0;
  padding: 0 20px;
  margin: 0 auto;
  overflow: hidden;
  border-color: transparent;
}

.otp-label {
  font-size: 0.85rem;
  color: var(--gray);
  margin-bottom: 16px;
  display: block;
}

.otp-input-group {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.otp-input {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 1.3rem;
  letter-spacing: 4px;
  padding: 12px 20px;
  width: 220px;
  border-radius: 4px;
  outline: none;
  transition: all 0.3s;
  text-align: center;
}

.otp-input:focus {
  border-color: var(--green);
  box-shadow: 0 0 20px var(--green-glow);
}

.otp-input::placeholder {
  color: #2a3a2a;
  letter-spacing: 2px;
  font-size: 0.85rem;
}

.otp-btn {
  background: transparent;
  border: 1px solid var(--green);
  color: var(--green);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 12px 28px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s;
}

.otp-btn:hover {
  background: var(--green);
  color: var(--bg-primary);
  box-shadow: 0 0 25px var(--green-glow);
}

.otp-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.otp-error {
  color: var(--red);
  font-size: 0.8rem;
  margin-top: 12px;
  min-height: 20px;
  opacity: 0;
  transition: opacity 0.3s;
}

.otp-error.show {
  opacity: 1;
}

/* ---- Typing / Content ---- */
.content-section {
  margin-top: 20px;
  display: none;
}

.content-section.active {
  display: block;
  animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Typing cursor */
.typing-cursor::after {
  content: '|';
  color: var(--green);
  animation: blink 0.8s step-end infinite;
}

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

.content-typer {
  min-height: 100px;
}

/* ---- Content Styling ---- */
.article h2 {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  font-weight: 700;
  color: var(--green);
  margin: 40px 0 16px;
  letter-spacing: 1px;
  text-shadow: 0 0 10px var(--green-glow);
}

.article h3 {
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 2.5vw, 1.1rem);
  font-weight: 600;
  color: var(--cyan);
  margin: 28px 0 12px;
  letter-spacing: 0.5px;
}

.article p {
  margin-bottom: 14px;
  font-size: 0.95rem;
  line-height: 1.8;
}

.article strong {
  color: var(--green);
  font-weight: 700;
}

.article a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed var(--cyan-dim);
  transition: all 0.3s;
}

.article a:hover {
  text-shadow: 0 0 8px var(--cyan-glow);
  border-bottom-color: var(--cyan);
}

.article ul,
.article ol {
  margin: 12px 0 18px;
  padding-left: 24px;
}

.article li {
  margin-bottom: 8px;
  font-size: 0.95rem;
  line-height: 1.7;
}

.article li strong {
  color: var(--cyan);
}

.article hr {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--green-dim), transparent);
  margin: 40px 0;
  box-shadow: 0 0 8px var(--green-glow);
}

/* ---- Table ---- */
.table-wrap {
  overflow-x: auto;
  margin: 20px 0 30px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-card);
}

.table-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.table-wrap th {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--green);
  background: rgba(0, 255, 65, 0.04);
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.table-wrap td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(26, 35, 50, 0.5);
  color: var(--white);
}

.table-wrap tr:last-child td {
  border-bottom: none;
}

.table-wrap tr:hover td {
  background: rgba(0, 255, 65, 0.02);
}

/* ---- Loading spinner ---- */
.loading {
  display: inline-block;
  color: var(--green);
  font-family: var(--font-body);
  font-size: 0.9rem;
  animation: pulse 1.2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

/* ---- Footer ---- */
.footer {
  text-align: center;
  padding: 30px 20px 20px;
  border-top: 1px solid var(--border);
  margin-top: 50px;
}

.footer p {
  font-size: 0.75rem;
  color: var(--gray);
  line-height: 1.6;
}

.footer a {
  color: var(--cyan-dim);
  text-decoration: none;
  transition: color 0.3s;
}

.footer a:hover {
  color: var(--cyan);
}

/* ---- Matrix rain background (subtle) ---- */
#matrix-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.06;
  pointer-events: none;
}

.container {
  z-index: 1;
  position: relative;
}

/* ---- Responsive ---- */
@media (max-width: 600px) {
  .container {
    padding: 20px 14px 40px;
  }

  .hero {
    padding: 30px 0 20px;
  }

  .otp-input-group {
    flex-direction: column;
    align-items: center;
  }

  .otp-input {
    width: 100%;
    max-width: 280px;
  }

  .glitch {
    letter-spacing: 1px;
  }

  .article ul,
  .article ol {
    padding-left: 18px;
  }

  .table-wrap th,
  .table-wrap td {
    padding: 10px 12px;
    font-size: 0.8rem;
  }
}

@media (max-width: 400px) {
  .glitch {
    font-size: 1.1rem;
  }

  .hotline {
    font-size: 1.1rem;
    letter-spacing: 1px;
  }
}