/* HS Oscilloscopes — promo site styles v2 (enhanced with animations) */

:root {
  --color-bg: #0a0e14;
  --color-bg-alt: #111820;
  --color-surface: #000000;
  --color-surface-hover: #223040;
  --color-text: #e8edf2;
  --color-muted: #8a9ab0;
  --color-accent: #00d4ff;
  --color-accent-glow: rgba(0, 212, 255, 0.3);
  --color-accent-dark: #00a8cc;
  --color-link: #5fb3f9;
  --color-wave: rgba(0, 212, 255, 0.15);
  --color-wave-bright: rgba(0, 212, 255, 0.4);
  --radius: 12px;
  --font: "Rajdhani", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-display: "Orbitron", "Rajdhani", sans-serif;
  --font-mono: "Share Tech Mono", monospace;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: var(--color-link); transition: var(--transition); }
a:hover { color: var(--color-accent); }

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

/* ===== Scroll-triggered animations ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.15s; }
.reveal-delay-2 { transition-delay: 0.3s; }
.reveal-delay-3 { transition-delay: 0.45s; }
.reveal-delay-4 { transition-delay: 0.6s; }

/* ===== Header / nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 20, 0.7);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border-bottom: 1px solid rgba(0, 212, 255, 0.1);
  transition: var(--transition);
}

.site-header.scrolled {
  background: rgba(10, 14, 20, 0.98);
  border-bottom-color: rgba(0, 212, 255, 0.2);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
}

.nav__logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 2px;
  color: var(--color-accent);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-shadow: 0 0 20px var(--color-accent-glow), 0 0 40px var(--color-accent-glow);
}

.nav__logo span {
  color: var(--color-text);
  font-weight: 400;
}

.nav__logo:hover { color: var(--color-accent); }

.nav__menu {
  display: flex;
  gap: 1.8rem;
  list-style: none;
}

.nav__menu a {
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  position: relative;
  padding: 0.3rem 0;
}

.nav__menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width 0.3s ease;
  border-radius: 1px;
}

.nav__menu a:hover {
  color: var(--color-accent);
}

.nav__menu a:hover::after {
  width: 100%;
}

.nav__toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 6rem 0 5rem;
  text-align: center;
  overflow: hidden;
  background: linear-gradient(180deg, #0a0e14 0%, #0f1720 40%, #0a0e14 100%);
}

.hero__canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

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

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  margin-bottom: 1.5rem;
  font-weight: 900;
  line-height: 1.1;
  background: linear-gradient(135deg, #fff 0%, var(--color-accent) 50%, #0066ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 30px var(--color-accent-glow));
}

.hero__lead {
  max-width: 640px;
  margin: 0 auto 2.2rem;
  color: var(--color-muted);
  font-size: clamp(1rem, 2.5vw, 1.15rem);
  font-weight: 300;
  letter-spacing: 2px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.8rem 1.8rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: #000;
  box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 212, 255, 0.5);
  color: #000;
}

.btn--orange {
  background: linear-gradient(135deg, #ffb347 0%, #ff9a26 100%);
  color: #1a0e00;
  box-shadow: 0 3px 10px rgba(255, 140, 26, 0.25);
}

.btn--orange:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, #ffbd5c 0%, #ffa53d 100%);
  box-shadow: 0 5px 16px rgba(255, 140, 26, 0.35);
  color: #1a0e00;
}

.btn--ghost {
  border: 1.5px solid rgba(138, 154, 176, 0.4);
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.03);
}

.btn--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(0, 212, 255, 0.08);
  transform: translateY(-2px);
}

/* ===== Sections ===== */
.section { padding: 5rem 0; position: relative; }
.section--alt { background: var(--color-bg-alt); }

/* Products section — dark background like v1 */
#products {
  background: linear-gradient(180deg, #0a0a0f 0%, #12121a 50%, #0a0a0f 100%);
}

/* ===== Coming Soon banner (parallax) ===== */
.promo-banner {
  position: relative;
  width: 100%;
  aspect-ratio: 1400 / 630;
  overflow: hidden;
  border-top: 1px solid rgba(0, 212, 255, 0.1);
  border-bottom: 1px solid rgba(0, 212, 255, 0.1);
}

.promo-banner__track {
  position: absolute;
  left: 10%;
  top: -6%;
  width: 80%;
  will-change: transform;
}

.promo-banner__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

/* Pulsing glow over the line under "COMING SOON" in the banner image */
.promo-banner__pulse {
  position: absolute;
  top: 31%;
  left: 4%;
  width: 43%;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent) 20%, var(--color-accent) 80%, transparent);
  animation: promo-pulse 2s ease-in-out infinite;
}

@keyframes promo-pulse {
  0%, 100% {
    opacity: 0.5;
    box-shadow: 0 0 8px var(--color-accent-glow), 0 0 16px var(--color-accent-glow);
  }
  50% {
    opacity: 1;
    box-shadow: 0 0 18px var(--color-accent), 0 0 42px var(--color-accent-glow), 0 0 70px var(--color-accent-glow);
  }
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 0.8rem;
  font-weight: 700;
  text-align: center;
  background: linear-gradient(135deg, #fff 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-line {
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-dark));
  margin: 1.5rem auto;
  border-radius: 2px;
  box-shadow: 0 0 15px var(--color-accent-glow);
}

.section__intro {
  color: var(--color-muted);
  max-width: 720px;
  margin: 0 auto 2.5rem;
  font-size: 1.05rem;
  text-align: center;
}

/* ===== Product cards ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.8rem;
}

.card {
  background: var(--color-surface);
  border: 1px solid rgba(0, 212, 255, 0.1);
  border-radius: 16px;
  padding: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: all 0.4s ease;
  position: relative;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), #0066ff);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 1;
}

.card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 212, 255, 0.4);
  box-shadow: 0 20px 60px rgba(0, 212, 255, 0.15), 0 0 40px rgba(0, 212, 255, 0.05);
}

.card:hover::before {
  opacity: 1;
}

.card__image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--color-bg-alt);
  border-bottom: 1px solid rgba(0, 212, 255, 0.06);
  transition: transform 0.5s ease;
}

.card:hover .card__image {
  transform: scale(1.03);
}

.card__content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card__badge {
  font-family: var(--font-mono);
  color: var(--color-accent);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
}

/* Distributors page — country names in orange */
.page-distributors .card__badge {
  color: #ff9a26;
}

/* Distributors page — email links turn white on hover */
.page-distributors .card__specs a {
  color: var(--color-muted);
  text-decoration: none;
}

.page-distributors .card__specs a:hover {
  color: #fff;
}

/* Distributors page — WhatsApp QR code */
.card__qr {
  width: 150px;
  height: 150px;
  margin:auto;
  border-radius: 4px;
  border: 1px solid rgba(0, 212, 255, 0.15);
}

.card__title { font-family: var(--font-display); margin-bottom: 0.5rem; font-size: 1.5rem; }

.card__desc {
  color: var(--color-muted);
  margin-bottom: 1rem;
  font-size: 0.9rem;
  line-height: 1.6;
}

.card__specs {
  list-style: none;
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
}

.card__specs li {
  padding: 0.4rem 0;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card__specs li::before {
  content: "◆";
  color: var(--color-accent);
  font-size: 0.6rem;
}

.card__note {
  color: var(--color-muted);
  font-size: 0.82rem;
  margin-bottom: 1.2rem;
  font-style: italic;
}

.card .btn {
  --btn-glow: rgba(0, 212, 255, 0.45);
  margin-top: auto;
  text-align: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 12px 24px;
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: 0;
  animation: btn-pulse-glow 1.2s ease-in-out infinite;
}

.card .btn:hover {
  background: var(--color-accent);
  color: var(--color-bg);
  transform: none;
}

/* Pulsing glow behind the card buttons */
@keyframes btn-pulse-glow {
  0%, 100% { box-shadow: 0 0 4px rgba(0, 0, 0, 0); }
  50% { box-shadow: 0 0 18px var(--btn-glow), 0 0 36px var(--btn-glow); }
}

.card .btn.btn--orange {
  --btn-glow: rgba(255, 154, 38, 0.5);
  background: transparent;
  color: #ff9a26;
  border: 1px solid #ff9a26;
}

.card .btn.btn--orange:hover {
  background: #ff9a26;
  color: var(--color-bg);
  transform: none;
}

/* ===== Comparison table (v4 technical-spec style) ===== */
.table-wrap {
  overflow-x: auto;
  border-radius: 4px;
  border: 1px solid rgba(0, 212, 255, 0.15);
}

.compare-table {
  width: 100%;
  min-width: 700px;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.compare-table th,
.compare-table td {
  text-align: left;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.compare-table thead th {
  background: rgba(0, 161, 255, 0.2);
  color: var(--color-accent);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-bottom: 2px solid rgba(0, 212, 255, 0.3);
  padding: 1.2rem 1.5rem;
}

.compare-table thead th:first-child { width: 30%; }

.compare-table tbody tr {
  transition: background 0.2s ease;
}

.compare-table tbody tr:hover td {
  background: rgba(0, 212, 255, 0.03);
}

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

.compare-table tbody td {
  color: var(--color-muted);
  font-weight: 500;
}

.compare-table tbody td:first-child {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 1px;
  color: var(--color-text);
}

.compare-table tbody td.highlight {
  color: var(--color-accent);
  font-weight: 700;
}

.spec-check { color: #00ff88; font-weight: bold; }
.spec-cross { color: #ff4444; font-weight: bold; }

.table-note {
  margin-top: 1.2rem;
  color: var(--color-muted);
  font-size: 0.85rem;
}

/* ===== Feature list ===== */
.feature-list {
  list-style: none;
  max-width: 720px;
}

.feature-list li {
  padding: 0.8rem 0 0.8rem 2rem;
  position: relative;
  border-bottom: 1px dashed rgba(0, 212, 255, 0.1);
  transition: var(--transition);
}

.feature-list li:hover {
  padding-left: 2.3rem;
  color: var(--color-text);
}

.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0.3rem;
  color: var(--color-accent);
  font-weight: bold;
  font-size: 1rem;
}

/* ===== Stats bar ===== */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 2rem;
  text-align: center;
}

.stat {
  padding: 1.5rem;
}

.stat__value {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 0.4rem;
  background: linear-gradient(135deg, #ffc46b 0%, #ff8c1a 45%, #ff5e00 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 18px rgba(255, 140, 26, 0.35));
}

.stat__label {
  font-family: var(--font-mono);
  color: var(--color-muted);
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===== CTA Section ===== */
.cta-section {
  text-align: center;
  padding: 5rem 0;
  position: relative;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.3), transparent);
}

.cta-section h2 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.cta-section p {
  color: var(--color-muted);
  margin-bottom: 1.8rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== Footer (v4 style) ===== */
.site-footer {
  padding: 60px 0 30px;
  background: #050508;
  border-top: 1px solid rgba(0, 212, 255, 0.08);
  color: var(--color-muted);
  font-size: 0.9rem;
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 3px;
  margin-bottom: 1rem;
  text-shadow: 0 0 20px var(--color-accent-glow);
}

.footer-brand span { color: var(--color-muted); }

.footer-tagline {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s;
}

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

.footer-copy {
  color: var(--color-muted);
  font-size: 0.8rem;
  font-family: var(--font-mono);
}

.footer-copy a { color: var(--color-muted); }
.footer-copy a:hover { color: var(--color-accent); }

/* ===== Scroll progress bar ===== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-dark));
  z-index: 1000;
  width: 0%;
  transition: width 0.1s linear;
}

/* ===== Mobile nav ===== */
@media (max-width: 900px) {
  .nav__toggle { display: block; }

  .nav__menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(17, 24, 32, 0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 212, 255, 0.15);
  }

  .nav__menu.is-open { display: flex; }

  .nav__menu li { border-top: 1px solid rgba(0, 212, 255, 0.08); }

  .nav__menu a {
    display: block;
    padding: 0.9rem 4%;
  }

  .hero { padding: 4rem 0 3rem; }
  .section { padding: 3.5rem 0; }
  .stat__value { font-size: 2rem; }
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .card:hover {
    transform: none;
  }
  .card .btn {
    animation: none;
  }
  .promo-banner__pulse {
    animation: none;
  }
}