/* ---------------------------------------------------------
   Pulser.fit — shared site styles
   Brand: Strength in Sync
   Colors: #0A0A0F background, #FF3B47 accent
--------------------------------------------------------- */

:root {
  --bg: #0A0A0F;
  --bg-elev: #12121A;
  --bg-elev-2: #1A1A24;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #FFFFFF;
  --text-muted: rgba(255, 255, 255, 0.65);
  --text-dim: rgba(255, 255, 255, 0.45);
  --accent: #FF3B47;
  --accent-soft: rgba(255, 59, 71, 0.12);
  --accent-strong: #FF5260;
  --success: #22C55E;
  --warning: #F59E0B;
}

* {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-feature-settings: 'ss01', 'cv11';
  letter-spacing: -0.01em;
  overflow-x: hidden;
}

/* Background gradient aura */
.bg-aura {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(255, 59, 71, 0.15), transparent 60%),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(255, 59, 71, 0.08), transparent 60%);
}

main, header, footer, section {
  position: relative;
  z-index: 1;
}

/* Typography */
.heading-xl {
  font-size: clamp(2.5rem, 6vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.035em;
  font-weight: 700;
}

.heading-lg {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.heading-md {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-radius: 0.625rem;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-strong);
  transform: translateY(-1px);
  box-shadow: 0 12px 32px -8px rgba(255, 59, 71, 0.5);
}
.btn-ghost {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.25);
}
.btn-lg {
  padding: 0.95rem 1.6rem;
  font-size: 1rem;
}

/* Cards */
.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.75rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover {
  border-color: var(--border-strong);
}
.card-accent {
  background: linear-gradient(180deg, rgba(255, 59, 71, 0.08), rgba(255, 59, 71, 0.02));
  border-color: rgba(255, 59, 71, 0.3);
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(10, 10, 15, 0.72);
  border-bottom: 1px solid var(--border);
}
.nav-link {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.15s ease;
}
.nav-link:hover,
.nav-link.is-active {
  color: var(--text);
}
.nav-link.is-active {
  position: relative;
}
.nav-link.is-active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -22px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

/* Logo */
.logo-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  font-size: 1.05rem;
}
.logo-mark svg {
  width: 28px;
  height: 28px;
  overflow: visible;
}

/* Live pulse animation — arcs ripple outward from the filled cap */
@keyframes pulse-ring {
  0%   { opacity: 0.35; transform: scale(0.92); }
  40%  { opacity: 1;    transform: scale(1.00); }
  100% { opacity: 0.35; transform: scale(0.92); }
}
.logo-mark svg .pulse-ring {
  transform-origin: 50% 50%;
  animation: pulse-ring 2.2s ease-in-out infinite;
}
.logo-mark svg .pulse-ring-2 { animation-delay: 0.35s; }
.logo-mark svg .pulse-ring-3 { animation-delay: 0.7s;  }

/* Standalone large/hero version of the mark reuses these utility classes */
.brand-symbol {
  display: inline-block;
  line-height: 0;
}
.brand-symbol svg {
  width: 100%;
  height: auto;
  overflow: visible;
}

/* Gradient text */
.gradient-red {
  background: linear-gradient(135deg, #FF3B47, #FF8A92);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Shadowed glow */
.glow-red {
  box-shadow: 0 0 0 1px rgba(255, 59, 71, 0.3), 0 20px 60px -20px rgba(255, 59, 71, 0.4);
}

/* Divider */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
}

/* Footer */
.site-footer {
  background: #07070B;
  border-top: 1px solid var(--border);
}

/* Tables (used on comparison page) */
.cmp-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.95rem;
}
.cmp-table th, .cmp-table td {
  padding: 0.9rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.cmp-table th {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.cmp-table td.pulser-col {
  background: rgba(255, 59, 71, 0.06);
  color: #fff;
  font-weight: 600;
}
.cmp-table th.pulser-col {
  background: rgba(255, 59, 71, 0.06);
  color: var(--accent);
}

/* Utilities */
.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { scrollbar-width: none; }

/* Mobile menu */
.mobile-menu {
  display: none;
}
.mobile-menu.is-open {
  display: block;
}

/* Form inputs — make typed text visible on dark background */
input, textarea, select {
  color: #FFFFFF !important;
  caret-color: #FF3B47;
}
input::placeholder,
textarea::placeholder {
  color: rgba(255, 255, 255, 0.35);
}
select option {
  color: #FFFFFF;
  background: #12121A;
}
/* Autofill fix */
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus,
textarea:-webkit-autofill,
select:-webkit-autofill {
  -webkit-text-fill-color: #FFFFFF !important;
  -webkit-box-shadow: 0 0 0 1000px #14141C inset !important;
  caret-color: #FF3B47;
  transition: background-color 5000s ease-in-out 0s;
}

/* Language switcher */
.lang-switcher {
  position: relative;
}
.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.7rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}
.lang-btn:hover {
  color: var(--text);
  border-color: var(--border-strong);
}
.lang-dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  min-width: 180px;
  max-height: 340px;
  overflow-y: auto;
  background: #101018;
  border: 1px solid var(--border-strong);
  border-radius: 0.75rem;
  padding: 0.4rem;
  box-shadow: 0 20px 50px -12px rgba(0, 0, 0, 0.6);
  display: none;
  z-index: 60;
}
.lang-dropdown.is-open {
  display: block;
}
.lang-dropdown button {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  width: 100%;
  padding: 0.5rem 0.7rem;
  background: transparent;
  border: 0;
  border-radius: 0.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-align: left;
  cursor: pointer;
  transition: all 0.1s ease;
}
.lang-dropdown button:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}
.lang-dropdown button.is-active {
  background: rgba(255, 59, 71, 0.12);
  color: var(--accent);
}
.lang-code {
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.4);
  min-width: 22px;
}
html[dir="rtl"] {
  direction: rtl;
}

/* Subtle grain */
.grain::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.04 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  pointer-events: none;
  opacity: 0.5;
  mix-blend-mode: overlay;
}