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

@import url('https://fonts.googleapis.com/css2?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-body: 'Share Tech Mono', monospace;
  --font-mono: 'JetBrains Mono', monospace;
  --max-width: 1200px;
}

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: 1200px;
  margin: 0 auto;
  padding: 40px 20px 60px;
  position: relative;
  z-index: 1;
}

/* ---- Header / Hero ---- */
.hero {
  text-align: center;
  padding: 50px 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);
}

/* ---- Main Title ---- */
.main-title {
  font-family: var(--font-body);
  font-weight: 700;
  color: var(--green);
  text-shadow: 0 0 10px var(--green-glow);
  line-height: 1.4;
  letter-spacing: 0.5px;
  margin-bottom: 24px;
}

/* ---- 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-body);
  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);
}

/* ---- Main Image (zoomable) ---- */
.image-section {
  margin: 35px auto;
  max-width: 800px;
  text-align: center;
}

.image-wrapper {
  position: relative;
  display: inline-block;
  cursor: zoom-in;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  transition: border-color 0.3s;
  max-width: 100%;
}

.image-wrapper:hover {
  border-color: var(--green-dim);
  box-shadow: 0 0 20px var(--green-glow);
}

.image-wrapper img {
  display: block;
  max-width: 100%;
  height: auto;
  transition: transform 0.3s;
}

.image-wrapper .zoom-hint {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0, 0, 0, 0.7);
  color: var(--green);
  font-size: 0.7rem;
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid var(--green-dim);
  opacity: 0.7;
  pointer-events: none;
}

/* Zoom overlay (fullscreen) */
.zoom-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  z-index: 10000;
  cursor: zoom-out;
  justify-content: center;
  align-items: center;
  animation: fadeIn 0.3s ease;
}

.zoom-overlay.active {
  display: flex;
}

.zoom-overlay img {
  max-width: 95vw;
  max-height: 95vh;
  object-fit: contain;
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: 0 0 40px var(--green-glow);
}

.zoom-overlay .zoom-close {
  position: absolute;
  top: 20px;
  right: 25px;
  color: var(--gray);
  font-family: var(--font-body);
  font-size: 1.2rem;
  cursor: pointer;
  transition: color 0.3s;
  background: none;
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 4px;
}

.zoom-overlay .zoom-close:hover {
  color: var(--green);
  border-color: var(--green-dim);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ---- Button ---- */
.btn-section {
  text-align: center;
  margin: 30px auto 10px;
}

.btn-primary {
  display: inline-block;
  background: transparent;
  border: 1px solid var(--green);
  color: var(--green);
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 2.5vw, 1.1rem);
  letter-spacing: 3px;
  text-transform: uppercase;
  padding: 14px 40px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s;
  position: relative;
  text-decoration: none;
}

.btn-primary:hover {
  background: var(--green);
  color: var(--bg-primary);
  box-shadow: 0 0 30px var(--green-glow), 0 0 60px var(--green-glow);
}

.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  box-shadow: none;
}

.btn-primary:disabled:hover {
  background: transparent;
  color: var(--green);
}

/* ---- Content (revealed after button) ---- */
.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 */
#content-typer {
  min-height: 100px;
}

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

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

/* ---- Scroll Reveal (lazy parts) ---- */
.reveal-part {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ---- Content Article Styling ---- */
.article h2 {
  font-family: var(--font-body);
  font-size: clamp(1.2rem, 4vw, 1.55rem);
  font-weight: 700;
  color: var(--green);
  margin: 50px 0 20px;
  padding-top: 20px;
  letter-spacing: 1px;
  text-shadow: 0 0 10px var(--green-glow);
  border-top: 1px solid var(--border);
  position: relative;
}

.article h2::before {
  content: '▸';
  color: var(--cyan);
  margin-right: 8px;
  font-size: 0.8em;
}

.article h3 {
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 2.5vw, 1.05rem);
  font-weight: 700;
  color: var(--cyan);
  margin: 28px 0 12px;
  letter-spacing: 0.5px;
}

.article p {
  margin-bottom: 16px;
  font-size: 1.05rem;
  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: 10px;
  font-size: 1.05rem;
  line-height: 1.8;
}

.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);
}

/* Article images */
.article img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: 6px;
  margin: 20px auto;
  display: block;
}

/* Images in paragraphs should also be centered */
.article p:has(> img) {
  text-align: center;
}

/* ---- Table ---- */
.table-wrap,
.article table {
  overflow-x: auto;
  margin: 20px 0 30px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-card);
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.table-wrap th,
.article table th {
  font-family: var(--font-body);
  font-size: 0.8rem;
  letter-spacing: 1px;
  color: var(--green);
  background: rgba(0, 255, 65, 0.04);
  padding: 14px 16px;
  text-align: left;
  border: 1px solid var(--border);
}

.table-wrap td,
.article table td {
  padding: 12px 16px;
  border: 1px solid rgba(26, 35, 50, 0.7);
  color: var(--white);
}

.table-wrap tr:last-child td,
.article table tr:last-child td {
  border-bottom: 1px solid rgba(26, 35, 50, 0.7);
}

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

/* ---- Loading ---- */
.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);
}

/* ---- Call Now Button (mobile only) ---- */
#callnowbutton {
  display: none;
  width: 55px;
  height: 55px;
  border-radius: 50%;
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.3);
  background-position: center;
  background-size: 35px 35px;
  background-repeat: no-repeat;
  background-color: rgb(0, 153, 0);
  background-image: url("data:image/svg+xml;base64,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");
  transform: scale(1.1);
  position: fixed;
  bottom: 15px;
  right: 20px;
  z-index: 2147483647;
  touch-action: manipulation;
}

/* Hiển thị khi màn hình nhỏ hơn 750px */
@media (max-width: 750px) {
  #callnowbutton {
    display: block;
  }
}

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

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

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

  .btn-primary {
    padding: 12px 28px;
    font-size: 0.85rem;
    letter-spacing: 2px;
  }

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

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

  .zoom-overlay .zoom-close {
    top: 12px;
    right: 14px;
    font-size: 1rem;
    padding: 4px 10px;
  }
}