/* ============================================================
   COPXMR.CO — COP ↔ XMR Exchange Rate Tracker
   Bloomberg Terminal Aesthetic · IBM Plex Mono · Pure Utility
   ============================================================ */

/* --- CSS Variables --- */
:root {
  --black: #000000;
  --bg-dark: #050505;
  --bg-card: #0a0a0a;
  --bg-card-hover: #111111;
  --orange: #FF6600;
  --orange-dim: #cc5200;
  --orange-glow: rgba(255, 102, 0, 0.15);
  --orange-glow-strong: rgba(255, 102, 0, 0.3);
  --green: #4ADE80;
  --green-dim: rgba(74, 222, 128, 0.15);
  --red: #EF4444;
  --red-dim: rgba(239, 68, 68, 0.15);
  --gray: #6B7280;
  --gray-light: #9CA3AF;
  --gray-dark: #374151;
  --white: #E5E7EB;
  --white-bright: #F9FAFB;
  --font: 'IBM Plex Mono', monospace;
  --max-width: 1200px;
  --nav-height: 60px;
  --radius: 2px;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.7;
  color: var(--white);
  background: var(--black);
  overflow-x: hidden;
}

a { color: var(--orange); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--white-bright); }

img { max-width: 100%; display: block; }
ul, ol { list-style: none; }

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

/* --- Utility --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-label::before {
  content: '>';
  color: var(--gray);
}

.section-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--white-bright);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-desc {
  font-size: 14px;
  color: var(--gray-light);
  max-width: 640px;
  margin-bottom: 40px;
}

.divider {
  border: none;
  border-top: 1px solid #1a1a1a;
  margin: 0;
}

/* --- Scanline Overlay (subtle CRT effect) --- */
body::after {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.03) 2px,
    rgba(0,0,0,0.03) 4px
  );
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}

.nav.scrolled {
  border-bottom-color: #1a1a1a;
  background: rgba(0,0,0,0.95);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--white-bright);
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-logo .ticker {
  color: var(--orange);
  font-weight: 400;
  font-size: 13px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--gray-light);
  transition: color var(--transition);
}

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

.lang-toggle {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--gray);
  cursor: pointer;
  border: 1px solid var(--gray-dark);
  padding: 4px 10px;
  border-radius: var(--radius);
  transition: all var(--transition);
  background: transparent;
  font-family: var(--font);
}

.lang-toggle:hover {
  border-color: var(--orange);
  color: var(--orange);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.97);
  z-index: 999;
  padding: 40px 24px;
  flex-direction: column;
  gap: 24px;
}

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

.mobile-nav a {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--gray-light);
}

.mobile-nav a:hover { color: var(--orange); }

/* ============================================================
   HERO — Rate Display
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(255,102,0,0.06) 0%, transparent 60%),
    var(--black);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    linear-gradient(rgba(255,102,0,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,102,0,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-pair {
  font-size: 14px;
  color: var(--gray);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.hero-headline {
  font-size: clamp(48px, 10vw, 96px);
  font-weight: 700;
  color: var(--white-bright);
  letter-spacing: -3px;
  line-height: 1;
  margin-bottom: 32px;
}

.hero-headline .arrow {
  color: var(--orange);
}

/* Rate Card */
.rate-card {
  background: var(--bg-card);
  border: 1px solid #1a1a1a;
  border-radius: var(--radius);
  padding: 32px 40px;
  margin: 0 auto 32px;
  max-width: 520px;
  text-align: left;
  position: relative;
  overflow: hidden;
}

.rate-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--orange);
}

.rate-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.rate-card-label {
  font-size: 11px;
  color: var(--gray);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.rate-card-status {
  font-size: 11px;
  color: var(--green);
  display: flex;
  align-items: center;
  gap: 6px;
}

.rate-card-status .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.rate-value {
  font-size: clamp(32px, 6vw, 48px);
  font-weight: 700;
  color: var(--white-bright);
  letter-spacing: -1px;
  margin-bottom: 12px;
  line-height: 1;
}

.rate-value .currency {
  font-size: 0.5em;
  color: var(--gray);
  font-weight: 400;
}

.rate-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.rate-meta-item {
  font-size: 12px;
  color: var(--gray);
}

.rate-meta-item .label {
  margin-right: 8px;
}

.rate-meta-item .value {
  color: var(--white);
}

.rate-meta-item .positive { color: var(--green); }
.rate-meta-item .negative { color: var(--red); }

.rate-updated {
  font-size: 11px;
  color: var(--gray);
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid #1a1a1a;
}

/* Hero CTAs */
.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 24px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--orange);
  color: var(--black);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary:hover {
  background: var(--white-bright);
  color: var(--black);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: transparent;
  color: var(--orange);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  border: 1px solid var(--orange);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-secondary:hover {
  background: var(--orange-glow);
  color: var(--white-bright);
  border-color: var(--white-bright);
}

/* ============================================================
   HOW TO SWAP
   ============================================================ */
.swap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.swap-card {
  background: var(--bg-card);
  border: 1px solid #1a1a1a;
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all var(--transition);
  position: relative;
}

.swap-card:hover {
  border-color: var(--orange);
  background: var(--bg-card-hover);
}

.swap-card-number {
  font-size: 11px;
  font-weight: 700;
  color: var(--orange);
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.swap-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--white-bright);
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}

.swap-card-desc {
  font-size: 13px;
  color: var(--gray-light);
  margin-bottom: 20px;
  line-height: 1.6;
}

.swap-card-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius);
  margin-bottom: 16px;
}

.tag-fastest {
  background: var(--orange-glow);
  color: var(--orange);
  border: 1px solid rgba(255,102,0,0.3);
}

.tag-exchange {
  background: var(--green-dim);
  color: var(--green);
  border: 1px solid rgba(74,222,128,0.3);
}

.tag-private {
  background: rgba(139,92,246,0.15);
  color: #A78BFA;
  border: 1px solid rgba(139,92,246,0.3);
}

.swap-card-steps {
  font-size: 12px;
  color: var(--gray);
  line-height: 2;
}

.swap-card-steps li::before {
  content: '$ ';
  color: var(--green);
}

.swap-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--orange);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 20px;
  transition: gap var(--transition);
}

.swap-card-link:hover { gap: 10px; color: var(--white-bright); }

/* ============================================================
   OTC DIRECTORY (Placeholder)
   ============================================================ */
.otc-placeholder {
  background: var(--bg-card);
  border: 1px dashed #2a2a2a;
  border-radius: var(--radius);
  padding: 60px 40px;
  text-align: center;
}

.otc-placeholder-icon {
  font-size: 48px;
  margin-bottom: 20px;
  opacity: 0.5;
}

.otc-placeholder-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--white-bright);
  margin-bottom: 12px;
}

.otc-placeholder-desc {
  font-size: 13px;
  color: var(--gray);
  max-width: 480px;
  margin: 0 auto 24px;
}

.otc-notify-form {
  display: flex;
  gap: 8px;
  max-width: 400px;
  margin: 0 auto;
}

.otc-notify-form input {
  flex: 1;
  padding: 10px 14px;
  background: var(--black);
  border: 1px solid #2a2a2a;
  border-radius: var(--radius);
  color: var(--white);
  font-family: var(--font);
  font-size: 13px;
  outline: none;
  transition: border-color var(--transition);
}

.otc-notify-form input::placeholder { color: var(--gray); }
.otc-notify-form input:focus { border-color: var(--orange); }

.otc-notify-form button {
  padding: 10px 20px;
  background: var(--orange);
  color: var(--black);
  font-family: var(--font);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition);
}

.otc-notify-form button:hover { background: var(--white-bright); }

/* ============================================================
   SAFETY GUIDE
   ============================================================ */
.safety-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.safety-card {
  background: var(--bg-card);
  border: 1px solid #1a1a1a;
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color var(--transition);
}

.safety-card:hover { border-color: var(--green); }

.safety-card-icon {
  font-size: 24px;
  margin-bottom: 16px;
}

.safety-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--white-bright);
  margin-bottom: 8px;
}

.safety-card-text {
  font-size: 13px;
  color: var(--gray-light);
  line-height: 1.7;
}

/* Hardware wallet CTA */
.hw-cta {
  margin-top: 40px;
  background: var(--bg-card);
  border: 1px solid var(--orange-glow-strong);
  border-radius: var(--radius);
  padding: 28px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.hw-cta-text {
  font-size: 14px;
  color: var(--white);
}

.hw-cta-text strong {
  color: var(--orange);
}

.hw-cta-links {
  display: flex;
  gap: 12px;
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-list {
  max-width: 800px;
}

.faq-item {
  border-bottom: 1px solid #1a1a1a;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  color: var(--white-bright);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  text-align: left;
  padding: 20px 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: color var(--transition);
}

.faq-question:hover { color: var(--orange); }

.faq-question .icon {
  font-size: 18px;
  color: var(--gray);
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-question .icon {
  transform: rotate(45deg);
  color: var(--orange);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer-inner {
  padding-bottom: 20px;
  font-size: 13px;
  color: var(--gray-light);
  line-height: 1.8;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid #1a1a1a;
  padding: 48px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--white-bright);
  margin-bottom: 12px;
}

.footer-brand-desc {
  font-size: 12px;
  color: var(--gray);
  line-height: 1.7;
  max-width: 280px;
}

.footer-col-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 12px;
  color: var(--gray-light);
  margin-bottom: 10px;
  transition: color var(--transition);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid #1a1a1a;
  font-size: 11px;
  color: var(--gray);
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom a { color: var(--gray); }
.footer-bottom a:hover { color: var(--orange); }

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ============================================================
   AFFILIATE DISCLOSURE BAR
   ============================================================ */
.affiliate-bar {
  background: #0a0a0a;
  border-bottom: 1px solid #1a1a1a;
  padding: 8px 24px;
  text-align: center;
  font-size: 11px;
  color: var(--gray);
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .swap-grid { grid-template-columns: 1fr; }
  .safety-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

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

  .hero { padding: 100px 24px 60px; min-height: auto; }
  .hero-headline { letter-spacing: -1px; }

  .rate-card { padding: 24px 20px; }
  .rate-meta { flex-direction: column; gap: 8px; }

  .section { padding: 60px 0; }
  .section-title { font-size: 22px; }

  .hw-cta { flex-direction: column; text-align: center; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ============================================================
   PAGE-SPECIFIC: Inner Pages
   ============================================================ */
.page-hero {
  padding: 120px 0 60px;
  text-align: center;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(255,102,0,0.04) 0%, transparent 50%),
    var(--black);
}

.page-hero-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--white-bright);
  letter-spacing: -1px;
  margin-bottom: 12px;
}

.page-hero-sub {
  font-size: 14px;
  color: var(--gray-light);
}

.page-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 24px;
}

.page-content h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--white-bright);
  margin: 40px 0 16px;
  letter-spacing: -0.3px;
}

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

.page-content p {
  font-size: 13px;
  color: var(--gray-light);
  line-height: 1.8;
  margin-bottom: 16px;
}

.page-content ul {
  margin-bottom: 16px;
}

.page-content ul li {
  font-size: 13px;
  color: var(--gray-light);
  line-height: 1.8;
  padding-left: 16px;
  position: relative;
}

.page-content ul li::before {
  content: '>';
  position: absolute;
  left: 0;
  color: var(--orange);
}

.page-content a { text-decoration: underline; }

/* Contact form */
.contact-form {
  max-width: 560px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--gray-light);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-card);
  border: 1px solid #2a2a2a;
  border-radius: var(--radius);
  color: var(--white);
  font-family: var(--font);
  font-size: 13px;
  outline: none;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--orange);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray);
}

.form-error {
  font-size: 11px;
  color: var(--red);
  margin-top: 6px;
  display: none;
}

.form-group.error .form-error { display: block; }
.form-group.error input,
.form-group.error textarea {
  border-color: var(--red);
}

/* Blog listing */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid #1a1a1a;
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color var(--transition);
}

.blog-card:hover { border-color: var(--orange); }

.blog-card-tag {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 12px;
}

.blog-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--white-bright);
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}

.blog-card-excerpt {
  font-size: 12px;
  color: var(--gray-light);
  line-height: 1.7;
  margin-bottom: 16px;
}

.blog-card-meta {
  font-size: 11px;
  color: var(--gray);
}

@media (max-width: 768px) {
  .blog-grid { grid-template-columns: 1fr; }
  .page-hero-title { font-size: 28px; }
}

/* ============================================================
   NOINDEX PAGES (thanks, 404)
   ============================================================ */
.status-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
}

.status-code {
  font-size: 96px;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
  margin-bottom: 16px;
}

.status-message {
  font-size: 18px;
  color: var(--white-bright);
  margin-bottom: 12px;
}

.status-desc {
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 32px;
}