@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600;700&family=DM+Sans:wght@300;400;500;600&display=swap');

/* ─── RESET ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: #0a0a0a;
  color: #f0f0f0;
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ─── CSS VARIABLES ──────────────────────────────────── */
:root {
  --bg: #0a0a0a;
  --surface: #111111;
  --border: #1e1e1e;
  --text: #f0f0f0;
  --text-secondary: #888888;
  --accent: #00ffcc;
  --accent-alt: #00ff88;
  --mono: 'IBM Plex Mono', monospace;
  --sans: 'DM Sans', sans-serif;
  --max-width: 1200px;
  --radius: 4px;
}

/* ─── GRID BACKGROUND ────────────────────────────────── */
.grid-bg {
  position: relative;
}
.grid-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 255, 204, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 204, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* ─── TYPOGRAPHY ─────────────────────────────────────── */
h1, h2, h3, h4 { font-family: var(--mono); font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: 1.2rem; }
p { color: var(--text-secondary); line-height: 1.7; }
a { color: var(--accent); text-decoration: none; transition: opacity 0.2s; }
a:hover { opacity: 0.8; }

/* ─── LAYOUT ─────────────────────────────────────────── */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 800px; margin: 0 auto; padding: 0 24px; }
.container--xs { max-width: 600px; margin: 0 auto; padding: 0 24px; }

/* ─── NAV ────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: background 0.3s, backdrop-filter 0.3s;
}
nav.scrolled {
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.nav-logo {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.1em;
}
.nav-logo span {
  display: block;
  font-size: 0.6rem;
  color: var(--accent);
  font-weight: 400;
  letter-spacing: 0.15em;
  margin-top: 2px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-decoration: none;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent); }
.nav-links .store-link {
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 6px 14px;
  border-radius: var(--radius);
  transition: background 0.2s, color 0.2s;
}
.nav-links .store-link:hover { background: var(--accent); color: var(--bg); }

/* hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--text);
  transition: transform 0.3s, opacity 0.3s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* mobile overlay */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 40px;
}
.nav-overlay.open { display: flex; }
.nav-overlay a {
  font-family: var(--mono);
  font-size: 1.5rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.nav-overlay a:hover { color: var(--accent); }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
}

/* ─── BUTTONS ────────────────────────────────────────── */
.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 14px 28px;
  border: 1px solid var(--accent);
  color: var(--accent);
  background: transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  text-decoration: none;
}
.btn:hover { background: var(--accent); color: var(--bg); opacity: 1; }
.btn--solid { background: var(--accent); color: var(--bg); }
.btn--solid:hover { background: transparent; color: var(--accent); }

/* ─── DIVIDER ────────────────────────────────────────── */
.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.3;
  margin: 60px 0;
}

/* ─── FADE IN ANIMATION ──────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ─── HOME — HERO ────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 60px;
  position: relative;
  overflow: hidden;
}
.hero-content { position: relative; z-index: 1; max-width: 800px; }
.hero-eyebrow {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.hero-eyebrow::before,
.hero-eyebrow::after {
  content: '';
  width: 40px;
  height: 1px;
  background: var(--accent);
  opacity: 0.5;
}
.hero h1 { color: var(--text); margin-bottom: 20px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero-sub {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 48px;
  font-family: var(--mono);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}
.hero-cta-group { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.hero-disclaimer {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-family: var(--mono);
  letter-spacing: 0.05em;
}

/* HUD corner decorations */
.hud-corner {
  position: absolute;
  width: 40px;
  height: 40px;
  opacity: 0.3;
}
.hud-corner--tl { top: 30px; left: 30px; border-top: 1px solid var(--accent); border-left: 1px solid var(--accent); }
.hud-corner--tr { top: 30px; right: 30px; border-top: 1px solid var(--accent); border-right: 1px solid var(--accent); }
.hud-corner--bl { bottom: 30px; left: 30px; border-bottom: 1px solid var(--accent); border-left: 1px solid var(--accent); }
.hud-corner--br { bottom: 30px; right: 30px; border-bottom: 1px solid var(--accent); border-right: 1px solid var(--accent); }

/* ─── BLOG PAGE ──────────────────────────────────────── */
.page-header {
  padding: 140px 24px 60px;
  text-align: center;
  position: relative;
}
.page-header h1 { color: var(--text); margin-bottom: 12px; }
.page-header p { font-size: 1rem; color: var(--text-secondary); }

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 0 24px 80px;
  max-width: var(--max-width);
  margin: 0 auto;
}
@media (max-width: 1024px) { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .blog-grid { grid-template-columns: 1fr; } }

.article-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
}
.article-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.article-card__image {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  background: var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.1em;
}
.article-card__image img { width: 100%; height: 100%; object-fit: cover; }
.article-card__placeholder {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  opacity: 0.6;
}
.article-card__body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.article-card__category {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.article-card__title {
  font-family: var(--mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.4;
}
.article-card__excerpt {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.article-card__meta-info {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}
.article-card__read {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.1em;
}

.blog-empty {
  text-align: center;
  padding: 80px 24px;
  font-family: var(--mono);
  color: var(--text-secondary);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  grid-column: 1 / -1;
}
.blog-loading {
  text-align: center;
  padding: 80px 24px;
  font-family: var(--mono);
  color: var(--accent);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  grid-column: 1 / -1;
  animation: pulse 1.5s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

/* ─── ARTICLE PAGE ───────────────────────────────────── */
.article-layout {
  padding: 120px 24px 80px;
  max-width: 720px;
  margin: 0 auto;
}
.article-header { margin-bottom: 40px; }
.article-category {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.article-title {
  font-family: var(--mono);
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  color: var(--text);
  margin-bottom: 20px;
  line-height: 1.3;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.article-cover {
  width: 100%;
  border-radius: var(--radius);
  margin-bottom: 40px;
  border: 1px solid var(--border);
}
.article-body { color: var(--text-secondary); line-height: 1.8; }
.article-body h1, .article-body h2, .article-body h3 {
  color: var(--text);
  font-family: var(--mono);
  margin: 32px 0 16px;
}
.article-body h2 { font-size: 1.4rem; border-left: 3px solid var(--accent); padding-left: 16px; }
.article-body h3 { font-size: 1.1rem; color: var(--accent); }
.article-body p { margin-bottom: 20px; }
.article-body ul, .article-body ol { margin: 0 0 20px 24px; }
.article-body li { margin-bottom: 8px; }
.article-body strong { color: var(--text); font-weight: 600; }
.article-body code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 2px;
  color: var(--accent);
}
.article-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 12px 20px;
  margin: 24px 0;
  background: var(--surface);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--text);
  font-style: italic;
}

.faqs { margin-top: 48px; }
.faqs h2 {
  font-family: var(--mono);
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 24px;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-question {
  padding: 16px 20px;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--surface);
}
.faq-question:hover { color: var(--accent); }
.faq-question::after { content: '+'; color: var(--accent); font-size: 1.2rem; transition: transform 0.2s; }
.faq-item.open .faq-question::after { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 0 20px;
}
.faq-item.open .faq-answer { max-height: 300px; padding: 16px 20px; }

.article-cta {
  margin-top: 60px;
  padding: 40px;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  text-align: center;
  background: rgba(0, 255, 204, 0.03);
}
.article-cta h3 {
  font-family: var(--mono);
  color: var(--text);
  margin-bottom: 8px;
  font-size: 1.1rem;
}
.article-cta p { margin-bottom: 24px; font-size: 0.9rem; }

/* ─── ABOUT PAGE ─────────────────────────────────────── */
.about-section { padding: 80px 0; }
.about-section + .about-section { border-top: 1px solid var(--border); }
.about-intro { font-size: 1.1rem; color: var(--text-secondary); line-height: 1.8; }
.about-intro p { margin-bottom: 16px; }
.about-intro strong { color: var(--accent); font-weight: 600; }

.covers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
@media (max-width: 600px) { .covers-grid { grid-template-columns: 1fr; } }

.covers-item {
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: border-color 0.2s;
}
.covers-item:hover { border-color: var(--accent); }
.covers-item__icon { font-size: 1.8rem; margin-bottom: 12px; }
.covers-item__title {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text);
  letter-spacing: 0.05em;
}

.how-it-works {
  display: flex;
  align-items: center;
  gap: 0;
  margin-top: 40px;
}
@media (max-width: 768px) { .how-it-works { flex-direction: column; } }
.how-step {
  flex: 1;
  text-align: center;
  padding: 28px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.how-step__number {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 8px;
  text-transform: uppercase;
}
.how-step__text {
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--text);
}
.how-arrow {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 1.2rem;
  padding: 0 12px;
  opacity: 0.5;
}
@media (max-width: 768px) { .how-arrow { transform: rotate(90deg); padding: 8px 0; } }

.about-cta { text-align: center; padding: 60px 0; }
.about-cta h2 { color: var(--text); margin-bottom: 8px; }
.about-cta p { margin-bottom: 28px; }

/* ─── CONTACT PAGE ───────────────────────────────────── */
.contact-section { padding: 140px 24px 80px; }
.contact-section h1 { color: var(--text); margin-bottom: 8px; }
.contact-section > p { margin-bottom: 40px; }

.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary);
}
.form-group input,
.form-group textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--sans);
  font-size: 0.95rem;
  padding: 14px 16px;
  outline: none;
  transition: border-color 0.2s;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--accent); }
.form-group textarea { min-height: 140px; }

.social-links {
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}
.social-links p {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 20px;
}
.social-icons { display: flex; gap: 16px; }
.social-icon {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: border-color 0.2s, color 0.2s;
}
.social-icon:hover { border-color: var(--accent); color: var(--accent); opacity: 1; }

/* ─── FOOTER ─────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 40px 24px;
  text-align: center;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.footer-logo {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
  text-transform: uppercase;
}
.footer-copy {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--text-secondary);
  opacity: 0.5;
  letter-spacing: 0.05em;
}
.footer-accent {
  width: 40px;
  height: 1px;
  background: var(--accent);
  opacity: 0.4;
}

/* ─── FOOTER LINKS ───────────────────────────────────── */
.footer-links {
  display: flex;
  gap: 24px;
  margin-bottom: 8px;
}
.footer-links a {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent); }