/* swapclean — design v5 : minimaliste premium, accent or */

:root {
  --bg: #FCFAF5;
  --bg-card: #FFFFFF;
  --bg-soft: #F5F1E6;
  --bg-dark: #14110B;
  --ink: #0F0E0C;
  --text: #1A1815;
  --text-muted: #6B655A;
  --text-dim: #B8B0A0;
  --border: #E8E1CC;
  --border-soft: #F0EAD6;

  --gold: #C9A961;
  --gold-deep: #A6864A;
  --gold-light: #E6CB85;
  --gold-subtle: #FAF4E1;
}

*, *::before, *::after {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-feature-settings: 'ss01', 'cv02', 'cv11';
  color: var(--text);
  background: var(--bg);
  font-size: 1rem;
  line-height: 1.6;
}

/* === Typography === */
h1, h2, h3, h4 {
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.1;
}

h1 { letter-spacing: -0.04em; line-height: 1; }

.display {
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 0.95;
}

.text-balance { text-wrap: balance; }
.text-pretty { text-wrap: pretty; }

.font-mono {
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
  font-feature-settings: 'liga' 0;
}

/* === Reveal === */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }

/* === Glass navbar === */
.glass {
  background: rgba(252, 250, 245, 0.88);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--border);
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.5rem;
  border-radius: 0.625rem;
  font-weight: 500;
  font-size: 0.9375rem;
  letter-spacing: -0.01em;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
  border: 1px solid transparent;
  position: relative;
}

.btn-primary {
  background: var(--ink);
  color: var(--bg);
}

.btn-primary:hover {
  background: var(--gold-deep);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px -8px rgba(166, 134, 74, 0.35);
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-deep) 100%);
  color: var(--ink);
  font-weight: 600;
}

.btn-gold:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px -8px rgba(201, 169, 97, 0.5);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--gold);
  color: var(--gold-deep);
  background: var(--gold-subtle);
}

/* Shimmer on hover for buttons */
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.25) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
  pointer-events: none;
}

.btn:hover::before {
  transform: translateX(100%);
}

/* === Chip === */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 500;
  background: var(--gold-subtle);
  border: 1px solid var(--gold-light);
  color: var(--gold-deep);
}

.chip-dark {
  background: var(--bg-dark);
  border-color: var(--bg-dark);
  color: var(--gold-light);
}

/* === Pulse === */
.pulse-dot {
  position: relative;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
}

.pulse-dot::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.45;
  animation: pulse-ring 2s ease-out infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.5); opacity: 0.5; }
  100% { transform: scale(2); opacity: 0; }
}

/* === Stats === */
.stat-num {
  font-weight: 700;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--gold-deep) 0%, var(--gold) 50%, var(--gold-light) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* === Arrow link === */
.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  color: var(--gold-deep);
  transition: color 0.25s ease;
}

.arrow-link .arrow {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.arrow-link:hover .arrow {
  transform: translateX(6px);
}

/* === Marquee for features === */
.marquee {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, var(--bg) 8%, var(--bg) 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, var(--bg) 8%, var(--bg) 92%, transparent);
  padding: 2rem 0;
}

.marquee-inner {
  display: flex;
  align-items: center;
  gap: 3.5rem;
  animation: marquee 35s linear infinite;
  width: max-content;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.marquee-inner .star {
  color: var(--gold);
  font-size: 1.3rem;
}

@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* === Feature card === */
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.75rem;
  transition: border-color 0.3s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  border-color: var(--gold);
  transform: translateY(-3px);
  box-shadow: 0 18px 40px -20px rgba(15, 14, 12, 0.12);
}

.feature-card .feat-icon {
  width: 44px;
  height: 44px;
  border-radius: 0.625rem;
  background: var(--gold-subtle);
  border: 1px solid var(--gold-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-deep);
  margin-bottom: 1.25rem;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.feature-card:hover .feat-icon {
  transform: rotate(-5deg) scale(1.05);
}

/* === Persona block (CTA hero blocks) === */
.persona-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  padding: 2.5rem;
  transition: border-color 0.3s ease, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
  position: relative;
  overflow: hidden;
}

.persona-block::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--gold-deep), var(--gold), var(--gold-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.persona-block:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
  box-shadow: 0 24px 50px -25px rgba(166, 134, 74, 0.25);
}

.persona-block:hover::before {
  transform: scaleX(1);
}

/* === Comparison table === */
.compare-table {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  overflow: hidden;
}

.compare-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  border-bottom: 1px solid var(--border);
}

.compare-row:last-child { border-bottom: none; }

.compare-cell {
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
}

.compare-header {
  background: var(--bg-soft);
  font-weight: 600;
  color: var(--ink);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.compare-header .swap-col {
  color: var(--gold-deep);
  position: relative;
}

.compare-header .swap-col::after {
  content: '';
  position: absolute;
  inset: 0.25rem 0.5rem;
  background: var(--gold-subtle);
  border-radius: 0.375rem;
  z-index: -1;
}

.compare-cell.label {
  color: var(--text);
  font-weight: 500;
}

.compare-cell.swap {
  color: var(--gold-deep);
  font-weight: 600;
  background: var(--gold-subtle);
}

.compare-cell.other {
  color: var(--text-muted);
}

/* === FAQ === */
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 0;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--ink);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: color 0.2s ease;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary:hover { color: var(--gold-deep); }

.faq-item .toggle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  flex-shrink: 0;
  color: var(--gold-deep);
}

.faq-item[open] .toggle {
  background: var(--gold);
  color: var(--ink);
  border-color: var(--gold);
  transform: rotate(45deg);
}

.faq-item p {
  margin-top: 1rem;
  color: var(--text-muted);
  line-height: 1.65;
  font-size: 1rem;
}

/* === Step (numbered) === */
.step-item {
  position: relative;
  padding-left: 4rem;
}

.step-item .step-num {
  position: absolute;
  left: 0;
  top: -0.25rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gold-deep);
  letter-spacing: 0.1em;
}

.step-item::before {
  content: '';
  position: absolute;
  left: 1.5rem;
  top: 2rem;
  bottom: -2rem;
  width: 1px;
  background: linear-gradient(180deg, var(--gold) 0%, transparent 100%);
}

.step-item:last-child::before { display: none; }

/* === Section divider star === */
.divider-stars {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  color: var(--gold);
  margin: 4rem 0;
  font-size: 1.25rem;
}

.divider-stars::before,
.divider-stars::after {
  content: '';
  flex: 1;
  max-width: 200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

/* === Selection === */
::selection {
  background: var(--gold);
  color: var(--ink);
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* === Hero gold glow === */
.gold-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--gold-light) 0%, transparent 65%);
  filter: blur(80px);
  opacity: 0.5;
  pointer-events: none;
  z-index: -1;
}

/* === Dark CTA section === */
.dark-section {
  background: var(--bg-dark);
  color: var(--bg);
  position: relative;
  overflow: hidden;
}

.dark-section h1,
.dark-section h2,
.dark-section h3 {
  color: var(--bg);
}

.dark-section .text-muted-dark {
  color: var(--text-dim);
}

.gold-text {
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 50%, var(--gold-deep) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* === Icon wiggle === */
.icon-wiggle {
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.icon-wiggle:hover {
  transform: rotate(-8deg) scale(1.05);
}