/* Burse landing page styles */

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

:root {
  --bg:         #0B0B12;
  --surface:    #13131F;
  --surface2:   #1A1A2A;
  --border:     rgba(255,255,255,0.08);
  --mint:       #3DFFC0;
  --mint-dim:   rgba(61,255,192,0.12);
  --sky:        #38BDF8;
  --gold:       #FBBF24;
  --rose:       #FB7185;
  --text:       #FFFFFF;
  --text2:      rgba(255,255,255,0.60);
  --text3:      rgba(255,255,255,0.35);
  --radius-sm:  8px;
  --radius-md:  14px;
  --radius-lg:  20px;
  --radius-xl:  28px;
  --font:       -apple-system, "SF Pro Display", BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

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

/* ── Utility ─────────────────────────────────────────────────────────────── */

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ── Nav ─────────────────────────────────────────────────────────────────── */

nav {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(11,11,18,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  height: 60px;
  gap: 32px;
}

.wordmark {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text);
  text-decoration: none;
  flex-shrink: 0;
}

.wordmark span { color: var(--mint); }

.nav-links {
  display: flex;
  gap: 24px;
  list-style: none;
  margin-left: auto;
}

.nav-links a {
  font-size: 14px;
  color: var(--text2);
  text-decoration: none;
  transition: color 0.15s;
}

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

.nav-cta {
  background: var(--mint);
  color: var(--bg) !important;
  font-weight: 600 !important;
  padding: 8px 16px;
  border-radius: 99px;
  transition: opacity 0.15s !important;
}

.nav-cta:hover { opacity: 0.85 !important; color: var(--bg) !important; }

/* ── Hero ────────────────────────────────────────────────────────────────── */

.hero {
  padding: 96px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
  background-image:
    linear-gradient(rgba(11,11,18,0.78), rgba(11,11,18,0.88)),
    url('frog-beach.jpg');
  background-size: cover;
  background-position: center 40%;
}

/* Glow orb behind headline */
.hero::before {
  content: "";
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(ellipse, rgba(61,255,192,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--mint-dim);
  border: 1px solid rgba(61,255,192,0.25);
  border-radius: 99px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--mint);
  margin-bottom: 28px;
  letter-spacing: 0.2px;
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mint);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.85); }
}

h1 {
  font-size: clamp(40px, 7vw, 72px);
  font-weight: 800;
  letter-spacing: -2px;
  line-height: 1.05;
  margin-bottom: 20px;
}

.headline-accent {
  background: linear-gradient(135deg, var(--mint) 0%, var(--sky) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(17px, 2.5vw, 21px);
  color: var(--text2);
  max-width: 520px;
  margin: 0 auto 40px;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--mint);
  color: var(--bg);
  font-weight: 700;
  font-size: 16px;
  padding: 14px 28px;
  border-radius: var(--radius-xl);
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 0 32px rgba(61,255,192,0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(61,255,192,0.35);
}

.btn-primary svg { flex-shrink: 0; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text2);
  font-size: 15px;
  text-decoration: none;
  transition: color 0.15s;
}

.btn-secondary:hover { color: var(--text); }

/* ── App mockup ──────────────────────────────────────────────────────────── */

.hero-mockup {
  max-width: 360px;
  margin: 0 auto;
  filter: drop-shadow(0 40px 80px rgba(0,0,0,0.6)) drop-shadow(0 0 60px rgba(61,255,192,0.08));
}

.mockup-phone {
  width: 100%;
}

/* ── Trust bar ───────────────────────────────────────────────────────────── */

.trust-bar {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 24px 0;
}

.trust-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text3);
  font-size: 13px;
  font-weight: 500;
}

.trust-item svg { opacity: 0.5; }
.trust-divider { width: 1px; height: 20px; background: var(--border); }

/* ── Section shared ──────────────────────────────────────────────────────── */

section { padding: 96px 0; }

.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--mint);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 18px;
  color: var(--text2);
  max-width: 520px;
  line-height: 1.6;
}

/* ── How it works ────────────────────────────────────────────────────────── */

.steps-section { background: var(--surface); }

.steps-header { text-align: center; margin-bottom: 64px; }
.steps-header .section-sub { margin: 0 auto; }

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.step-card {
  background: var(--surface);
  padding: 40px 36px;
  position: relative;
}

.step-number {
  font-size: 56px;
  font-weight: 800;
  letter-spacing: -2px;
  color: rgba(61,255,192,0.18);
  line-height: 1;
  margin-bottom: 20px;
  font-variant-numeric: tabular-nums;
}

.step-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 22px;
}

.step-icon-scan   { background: rgba(61,255,192,0.12); }
.step-icon-assign { background: rgba(56,189,248,0.12); }
.step-icon-pay    { background: rgba(251,191,36,0.12); }

.step-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}

.step-body {
  font-size: 15px;
  color: var(--text2);
  line-height: 1.65;
}

/* ── Features ────────────────────────────────────────────────────────────── */

.features-header { margin-bottom: 40px; }

/* ── iMessage featured card ──────────────────────────────────────────────── */

.feature-card-featured {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 16px;
  border-color: rgba(61,255,192,0.25);
  background: linear-gradient(135deg, rgba(61,255,192,0.06) 0%, var(--surface) 60%);
}

.feature-icon-large {
  font-size: 40px;
  flex-shrink: 0;
  margin-bottom: 0;
}

.feature-card-featured .feature-body {
  font-size: 15px;
  line-height: 1.7;
}

.feature-card-featured .feature-title {
  font-size: 18px;
  margin-bottom: 10px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: rgba(61,255,192,0.25);
  transform: translateY(-3px);
}

.feature-icon {
  font-size: 28px;
  margin-bottom: 16px;
  display: block;
}

.feature-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.2px;
}

.feature-body {
  font-size: 14px;
  color: var(--text2);
  line-height: 1.65;
}

/* ── Security strip ──────────────────────────────────────────────────────── */

.security-section {
  background: var(--surface);
  padding: 72px 0;
}

.security-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.security-text .section-sub { margin-bottom: 32px; }

.security-badges {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.security-badge {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
}

.security-badge-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--mint-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.security-badge-label {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 2px;
}

.security-badge-sub {
  font-size: 13px;
  color: var(--text2);
}

/* ── FAQ ─────────────────────────────────────────────────────────────────── */

.faq-header { text-align: center; margin-bottom: 56px; }

.faq-list {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

details {
  background: var(--surface);
}

summary {
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: color 0.15s;
  user-select: none;
}

summary::-webkit-details-marker { display: none; }
summary:hover { color: var(--mint); }

.faq-chevron {
  font-size: 18px;
  color: var(--text3);
  transition: transform 0.2s;
  flex-shrink: 0;
}

details[open] summary .faq-chevron { transform: rotate(180deg); color: var(--mint); }
details[open] summary { color: var(--mint); }

.faq-answer {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--text2);
  line-height: 1.7;
  border-top: 1px solid var(--border);
}

/* ── CTA banner ──────────────────────────────────────────────────────────── */

.cta-section {
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(61,255,192,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.cta-section h2 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  letter-spacing: -1.5px;
  margin-bottom: 16px;
  line-height: 1.1;
}

.cta-section p {
  font-size: 18px;
  color: var(--text2);
  margin-bottom: 40px;
}

.cta-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* App Store badge */
.app-store-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--text);
  color: var(--bg);
  font-weight: 700;
  font-size: 15px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: opacity 0.15s;
}

.app-store-badge:hover { opacity: 0.9; }
.app-store-badge small { font-size: 11px; font-weight: 500; opacity: 0.7; display: block; line-height: 1; margin-bottom: 2px; }

/* ── Footer ──────────────────────────────────────────────────────────────── */

footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-wordmark {
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.4px;
}

.footer-wordmark span { color: var(--mint); }

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  font-size: 14px;
  color: var(--text3);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-links a:hover { color: var(--text2); }

.footer-copy {
  font-size: 13px;
  color: var(--text3);
}

/* ── Responsive ──────────────────────────────────────────────────────────── */

@media (max-width: 820px) {
  .steps-grid    { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .security-inner { grid-template-columns: 1fr; gap: 40px; }
  .nav-links li:not(:last-child) { display: none; }
  .feature-card-featured { flex-direction: column; gap: 12px; }
  .feature-icon-large { font-size: 32px; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-badge-dot { animation: none; }
}

@media (max-width: 540px) {
  section { padding: 64px 0; }
  .hero   { padding: 64px 0 48px; }
  .hero-actions { flex-direction: column; align-items: stretch; text-align: center; }
  .btn-primary { justify-content: center; }
  .features-grid { grid-template-columns: 1fr; }
  .trust-bar-inner { gap: 20px; }
  .trust-divider { display: none; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 16px; }
}