/* Ripple Import — Website design system (matches app branding) */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Sans:wght@400;500;600;700&display=swap');

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

:root {
  /* Brand purples */
  --ri-purple: #7d66fd;
  --ri-purple-light: #9485f9;
  --ri-purple-lighter: #a99dfa;
  --ri-purple-bg: #eeedfc;
  --ri-purple-bg-soft: #f9f7ff;
  --ri-purple-deep: #554bad;

  /* Brand navy */
  --ri-navy: #1f014d;
  --ri-navy-deep: #1b024b;
  --ri-navy-soft: #252059;

  /* Teal accent */
  --ri-teal: #1d7c7f;
  --ri-teal-light: #4a9699;
  --ri-teal-bg: #dbeaeb;

  /* Neutrals */
  --text: #1a1a2e;
  --text-secondary: #5a5b78;
  --text-muted: #8c8fa3;
  --bg: #ffffff;
  --bg-soft: #fafbff;
  --bg-section: #f9f7ff;
  --border: #e6e3f5;
  --border-soft: #f0eef9;

  /* Gradient */
  --grad-purple: linear-gradient(135deg, #7d66fd 0%, #9485f9 50%, #a99dfa 100%);
  --grad-purple-soft: linear-gradient(135deg, #f9f7ff 0%, #eeedfc 100%);
  --grad-hero: radial-gradient(ellipse 80% 60% at 50% 0%, #eeedfc 0%, #f9f7ff 50%, #ffffff 100%);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(31, 1, 77, 0.04), 0 1px 4px rgba(31, 1, 77, 0.04);
  --shadow-md: 0 4px 12px rgba(125, 102, 253, 0.08), 0 2px 6px rgba(31, 1, 77, 0.04);
  --shadow-lg: 0 12px 32px rgba(125, 102, 253, 0.12), 0 4px 12px rgba(31, 1, 77, 0.06);
  --shadow-purple: 0 8px 24px rgba(125, 102, 253, 0.25);

  --font: "Instrument Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: var(--ri-purple); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--ri-purple-deep); }

img, svg { display: block; max-width: 100%; }

/* --- Nav --- */
.nav {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1180px; margin: 0 auto; padding: 22px 32px;
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
}
.nav-brand {
  display: flex; align-items: center; gap: 12px;
  font-size: 19px; font-weight: 700; color: var(--ri-navy);
  text-decoration: none;
  letter-spacing: -0.3px;
  white-space: nowrap;
}
.nav-brand:hover { color: var(--ri-navy); }
.nav-brand img { width: 36px; height: 36px; border-radius: 8px; }

.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a {
  color: var(--text-secondary); font-size: 15px; font-weight: 500;
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--ri-purple); text-decoration: none; }

/* Hamburger menu (mobile) */
.nav-toggle { display: none; }
.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  background: var(--ri-purple-bg);
  border-radius: 10px;
  margin-left: 12px;
  transition: background 0.2s;
}
.nav-burger:hover { background: var(--ri-purple-bg); }
.nav-burger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ri-navy);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}
.nav-toggle:checked + .nav-burger span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle:checked + .nav-burger span:nth-child(2) {
  opacity: 0;
}
.nav-toggle:checked + .nav-burger span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-cta {
  padding: 10px 22px; border-radius: 10px;
  background: var(--grad-purple);
  color: #fff !important;
  font-weight: 600; font-size: 14px;
  box-shadow: var(--shadow-purple);
  transition: transform 0.15s, box-shadow 0.2s;
  white-space: nowrap;
}
.nav-cta .cta-short { display: none; }
.nav-cta .cta-full { display: inline; }
.nav-cta:hover {
  background: var(--grad-purple);
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(125, 102, 253, 0.32);
  color: #fff !important;
}

/* --- Hero --- */
.hero {
  text-align: center;
  padding: 90px 24px 100px;
  background: var(--grad-hero);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%; left: 50%;
  transform: translateX(-50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(148, 133, 249, 0.1) 0%, transparent 60%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; max-width: 820px; margin: 0 auto; }

.hero-eyebrow {
  display: inline-block;
  padding: 7px 16px;
  background: var(--ri-purple-bg);
  color: var(--ri-purple-deep);
  font-size: 13px;
  font-weight: 600;
  border-radius: 20px;
  margin-bottom: 24px;
  letter-spacing: 0.2px;
  border: 1px solid rgba(125, 102, 253, 0.15);
}

.hero h1 {
  font-size: 56px;
  font-weight: 700;
  line-height: 1.08;
  margin-bottom: 22px;
  letter-spacing: -1.2px;
  color: var(--ri-navy);
}
.hero h1 .grad {
  background: var(--grad-purple);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 19px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.65;
}

.hero-cta {
  display: inline-block;
  padding: 16px 40px;
  border-radius: 12px;
  background: var(--grad-purple);
  color: #fff !important;
  font-size: 16px;
  font-weight: 600;
  box-shadow: var(--shadow-purple);
  transition: transform 0.15s, box-shadow 0.2s;
}
.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(125, 102, 253, 0.35);
  color: #fff !important;
}

.hero-sub { font-size: 14px; color: var(--text-muted); margin-top: 16px; }

/* --- Section base --- */
.section { padding: 96px 24px; }
.section-inner { max-width: 1180px; margin: 0 auto; }
.section-header { text-align: center; max-width: 680px; margin: 0 auto 64px; }
.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ri-purple);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: 12px;
}
.section-header h2 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: -0.8px;
  color: var(--ri-navy);
  line-height: 1.15;
}
.section-header p {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- Features --- */
.features { background: var(--bg); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature-card {
  padding: 36px 30px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--bg);
  transition: box-shadow 0.25s, transform 0.25s, border-color 0.25s;
  position: relative;
}
.feature-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--ri-purple-lighter);
}
.feature-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--grad-purple-soft);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
  border: 1px solid var(--ri-purple-bg);
}
.feature-icon svg { width: 28px; height: 28px; }
.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--ri-navy);
}
.feature-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* --- How it works --- */
.how-it-works {
  background: var(--bg-section);
  position: relative;
  overflow: hidden;
}
.how-it-works::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--ri-purple-bg), transparent);
}
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}
.step {
  text-align: center;
  padding: 0 12px;
}
.step-number {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--grad-purple);
  color: #fff;
  font-size: 26px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 22px;
  box-shadow: var(--shadow-purple);
  position: relative;
}
.step h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--ri-navy);
}
.step p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 280px;
  margin: 0 auto;
}

/* --- Pricing --- */
.pricing { background: var(--bg); }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1080px;
  margin: 0 auto;
}
.pricing-card {
  padding: 40px 32px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--bg);
  text-align: left;
  position: relative;
  transition: transform 0.25s, box-shadow 0.25s;
}
.pricing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.pricing-card.popular {
  background: var(--grad-purple);
  border-color: transparent;
  color: #fff;
  box-shadow: var(--shadow-lg);
  transform: scale(1.04);
}
.pricing-card.popular:hover { transform: scale(1.04) translateY(-4px); }

.pricing-badge {
  position: absolute;
  top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--ri-navy);
  color: #fff;
  font-size: 11px; font-weight: 700;
  padding: 6px 16px; border-radius: 14px;
  text-transform: uppercase; letter-spacing: 0.8px;
  box-shadow: var(--shadow-md);
}
.pricing-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--ri-navy);
  margin-bottom: 4px;
}
.pricing-card.popular h3 { color: #fff; }

.pricing-amount {
  font-size: 48px;
  font-weight: 700;
  color: var(--ri-navy);
  margin: 18px 0 4px;
  letter-spacing: -1px;
  line-height: 1;
}
.pricing-card.popular .pricing-amount { color: #fff; }

.pricing-period {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 28px;
}
.pricing-card.popular .pricing-period { color: rgba(255,255,255,0.85); }

.pricing-feature {
  font-size: 15px;
  color: var(--text-secondary);
  padding: 12px 0;
  border-top: 1px solid var(--border-soft);
  display: flex; align-items: center; gap: 12px;
}
.pricing-card.popular .pricing-feature {
  color: rgba(255,255,255,0.95);
  border-color: rgba(255,255,255,0.18);
}
.pricing-feature .check {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--ri-purple-bg);
  color: var(--ri-purple);
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
}
.pricing-card.popular .pricing-feature .check {
  background: rgba(255,255,255,0.22);
  color: #fff;
}

/* --- CTA banner --- */
.cta-banner {
  margin: 0 24px 80px;
  max-width: 1080px;
  margin-left: auto;
  margin-right: auto;
  border-radius: 24px;
  padding: 64px 48px;
  background: var(--grad-purple);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%; right: -10%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 60%);
}
.cta-banner h2 {
  font-size: 36px;
  color: #fff;
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: -0.6px;
  position: relative;
}
.cta-banner p {
  font-size: 18px;
  color: rgba(255,255,255,0.9);
  margin-bottom: 32px;
  position: relative;
}
.cta-banner .hero-cta {
  background: #fff;
  color: var(--ri-purple-deep) !important;
  position: relative;
}
.cta-banner .hero-cta:hover {
  background: #fff;
  color: var(--ri-navy) !important;
}

/* --- Footer --- */
.footer {
  padding: 56px 24px 40px;
  background: var(--bg-section);
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1180px; margin: 0 auto;
  display: flex; flex-direction: column; align-items: center; gap: 24px;
}
.footer-brand {
  display: flex; align-items: center; gap: 12px;
  font-size: 17px; font-weight: 700; color: var(--ri-navy);
}
.footer-brand img { width: 32px; height: 32px; border-radius: 7px; }

.footer-links {
  display: flex; gap: 32px; justify-content: center; flex-wrap: wrap;
}
.footer-links a {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
}
.footer-links a:hover { color: var(--ri-purple); }
.footer-copy {
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
}

/* --- Legal pages --- */
.legal-page { background: var(--bg-soft); min-height: 100vh; }
.legal {
  max-width: 760px;
  margin: 0 auto;
  padding: 64px 32px 96px;
}
.legal-card {
  background: var(--bg);
  border-radius: 18px;
  padding: 56px 56px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.legal h1 {
  font-size: 38px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--ri-navy);
  letter-spacing: -0.6px;
}
.legal .updated {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 36px;
  display: inline-block;
  padding: 5px 14px;
  background: var(--ri-purple-bg-soft);
  border-radius: 14px;
}
.legal h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 36px 0 14px;
  color: var(--ri-navy);
}
.legal p, .legal li {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 14px;
}
.legal ul {
  padding-left: 22px;
  margin-bottom: 14px;
}
.legal a { color: var(--ri-purple); font-weight: 500; }
.legal strong { color: var(--ri-navy); font-weight: 600; }

/* --- Responsive --- */
@media (max-width: 980px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 480px; }
  .pricing-card.popular { transform: none; }
  .pricing-card.popular:hover { transform: translateY(-4px); }
  .steps { grid-template-columns: 1fr; gap: 40px; }
  .hero h1 { font-size: 44px; }
  .section-header h2 { font-size: 32px; }
  .legal-card { padding: 40px 32px; }
}

@media (max-width: 860px) {
  .nav {
    padding: 16px 22px;
    flex-wrap: wrap;
  }
  .nav-brand { font-size: 18px; gap: 11px; }
  .nav-brand img { width: 32px; height: 32px; }
  .nav-burger { display: flex; }

  .nav-links {
    order: 3;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease, margin 0.3s ease;
  }
  .nav-toggle:checked ~ .nav-links {
    max-height: 360px;
    padding-top: 14px;
    margin-top: 14px;
    border-top: 1px solid var(--border);
  }
  .nav-links a:not(.nav-cta) {
    display: block;
    padding: 14px 6px;
    font-size: 16px;
    border-bottom: 1px solid var(--border-soft);
  }
  .nav-links a.nav-cta {
    margin-top: 14px;
    text-align: center;
    padding: 13px 22px;
    font-size: 15px;
  }
  .nav-links a.nav-cta .cta-full { display: inline; }
  .nav-links a.nav-cta .cta-short { display: none; }
}

@media (max-width: 640px) {
  .nav { padding: 14px 18px; }
  .nav-brand { font-size: 17px; gap: 10px; }
  .nav-brand img { width: 30px; height: 30px; }

  .hero { padding: 64px 22px 80px; }
  .hero h1 { font-size: 34px; letter-spacing: -0.8px; }
  .hero p { font-size: 16px; }
  .hero-cta { padding: 14px 32px; font-size: 15px; }
  .section { padding: 64px 22px; }
  .section-header h2 { font-size: 28px; }
  .section-header p { font-size: 16px; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card { padding: 28px 24px; }
  .pricing-card { padding: 32px 26px; }
  .pricing-amount { font-size: 40px; }
  .cta-banner { padding: 48px 28px; margin: 0 16px 60px; }
  .cta-banner h2 { font-size: 26px; }
  .cta-banner p { font-size: 16px; }
  .legal-card { padding: 32px 24px; }
  .legal h1 { font-size: 30px; }
}