/* ============================================
   Stept — Marketing Site Design System
   ============================================ */

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

:root {
  --ink: #171916;
  --ink-soft: #3A3E38;
  --paper: #F6F8F5;
  --paper-raised: #FFFFFF;
  --sage: #7FA88E;
  --sage-deep: #4F6F5C;
  --sage-pale: #E4EFE7;
  --line: #DCE3DD;
  --amber: #D9A441;

  --font-display: 'Poppins', sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;

  --max-w: 1120px;
  --radius: 18px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- Type ---------- */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  margin: 0;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.6rem, 5.2vw, 4.4rem); }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.7rem); }
h3 { font-size: 1.35rem; }

p { margin: 0 0 1em; color: var(--ink-soft); max-width: 62ch; }

.lede {
  font-size: 1.2rem;
  line-height: 1.55;
  color: var(--ink-soft);
}

/* ---------- Nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 248, 245, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  gap: 9px;
}

.brand-mark {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--sage);
  display: grid;
  place-items: center;
}
.brand-mark svg { width: 15px; height: 15px; }

.nav-links {
  display: flex;
  gap: 32px;
  font-size: 0.96rem;
  font-weight: 500;
}

.nav-links a {
  color: var(--ink-soft);
  transition: color 0.15s;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--ink); }

.nav-cta {
  background: var(--ink);
  color: var(--paper) !important;
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
  border-radius: 2px;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--ink);
  color: var(--paper);
  box-shadow: 0 8px 20px -8px rgba(23, 25, 22, 0.4);
}
.btn-primary:hover { box-shadow: 0 12px 24px -8px rgba(23, 25, 22, 0.5); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--line);
}
.btn-ghost:hover { border-color: var(--sage-deep); }

/* ---------- Hero ---------- */

.hero {
  padding: 76px 0 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--sage-pale);
  color: var(--sage-deep);
  padding: 7px 15px;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 600;
  margin-bottom: 22px;
}
.eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--sage-deep);
}

.hero h1 { margin-bottom: 22px; }
.hero .lede { margin-bottom: 34px; max-width: 46ch; }

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-note {
  margin-top: 22px;
  font-size: 0.88rem;
  color: #7A8177;
}

/* Step ring visual */
.ring-wrap {
  position: relative;
  display: flex;
  justify-content: center;
}

.ring-card {
  background: var(--paper-raised);
  border-radius: 32px;
  padding: 44px;
  box-shadow: 0 30px 60px -30px rgba(23, 25, 22, 0.22);
  border: 1px solid var(--line);
  width: 100%;
  max-width: 380px;
}

.ring-figure {
  position: relative;
  width: 220px;
  height: 220px;
  margin: 0 auto 26px;
}

.ring-figure svg { width: 100%; height: 100%; transform: rotate(-90deg); }

.ring-track { fill: none; stroke: var(--sage-pale); stroke-width: 14; }
.ring-progress {
  fill: none;
  stroke: var(--sage);
  stroke-width: 14;
  stroke-linecap: round;
  stroke-dasharray: 597;
  stroke-dashoffset: 597;
  animation: ring-fill 1.6s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
}
@keyframes ring-fill { to { stroke-dashoffset: 108; } }

.ring-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.ring-count {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.1rem;
  color: var(--ink);
}
.ring-label { font-size: 0.85rem; color: var(--ink-soft); margin-top: 2px; }

.ring-stats {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
.ring-stat { text-align: center; }
.ring-stat b {
  display: block;
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--ink);
}
.ring-stat span { font-size: 0.78rem; color: var(--ink-soft); }

/* ---------- Logo strip / trust ---------- */

.strip {
  padding: 30px 0 70px;
  color: #8A9187;
  font-size: 0.85rem;
  text-align: center;
}

/* ---------- Feature grid ---------- */

.section { padding: 90px 0; }
.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head h2 { margin-bottom: 16px; }

.feature-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  background: var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.feature {
  background: var(--paper-raised);
  padding: 38px 32px;
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--sage-pale);
  display: grid;
  place-items: center;
  margin-bottom: 22px;
}
.feature-icon svg { width: 22px; height: 22px; }

.feature h3 { margin-bottom: 10px; }
.feature p { margin: 0; font-size: 0.98rem; }

/* ---------- Alternating showcase ---------- */

.showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 60px 0;
}
.showcase.reverse .showcase-media { order: 2; }
.showcase.reverse .showcase-copy { order: 1; }

.showcase-copy .tag {
  color: var(--sage-deep);
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: 14px;
  display: block;
}
.showcase-copy h2 { margin-bottom: 18px; }

.mini-card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px;
  box-shadow: 0 24px 50px -30px rgba(23, 25, 22, 0.18);
}

.friend-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.friend-row:last-child { border-bottom: none; }
.friend-rank { font-weight: 700; color: #A8AFA4; width: 18px; font-size: 0.9rem; }
.avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--sage-pale);
  display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 600; font-size: 0.85rem;
  color: var(--sage-deep);
}
.friend-name { font-weight: 600; font-size: 0.95rem; flex: 1; }
.friend-count { font-weight: 700; color: var(--sage-deep); font-size: 0.95rem; }

/* ---------- CTA band ---------- */

.cta-band {
  background: var(--ink);
  border-radius: 28px;
  padding: 70px 60px;
  text-align: center;
  color: var(--paper);
  margin: 20px 0 100px;
}
.cta-band h2 { color: var(--paper); margin-bottom: 16px; }
.cta-band p { color: #B9C2B4; margin: 0 auto 32px; }
.cta-band .btn-primary { background: var(--sage); color: var(--ink); }

/* ---------- Footer ---------- */

.footer {
  border-top: 1px solid var(--line);
  padding: 56px 0 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 44px;
}
.footer-brand p { font-size: 0.92rem; max-width: 32ch; }
.footer-col h4 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #8A9187;
  margin-bottom: 16px;
  font-family: var(--font-body);
  font-weight: 600;
}
.footer-col a {
  display: block;
  font-size: 0.94rem;
  color: var(--ink-soft);
  padding: 6px 0;
  transition: color 0.15s;
}
.footer-col a:hover { color: var(--sage-deep); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  color: #8A9187;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- Simple page (legal/about/contact/faq) ---------- */

.page-hero {
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--line);
}
.page-hero .eyebrow { margin-bottom: 18px; }
.page-hero .updated { color: #8A9187; font-size: 0.9rem; margin-top: 14px; }

.legal-body {
  padding: 56px 0 100px;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 64px;
}

.legal-toc {
  position: sticky;
  top: 100px;
  align-self: start;
  font-size: 0.88rem;
}
.legal-toc a {
  display: block;
  padding: 7px 0;
  color: var(--ink-soft);
  border-left: 2px solid var(--line);
  padding-left: 14px;
}
.legal-toc a:hover { color: var(--sage-deep); border-color: var(--sage); }

.legal-content h2 {
  font-size: 1.3rem;
  margin: 46px 0 14px;
  scroll-margin-top: 100px;
}
.legal-content h2:first-child { margin-top: 0; }
.legal-content p, .legal-content li { color: var(--ink-soft); font-size: 0.98rem; max-width: 70ch; }
.legal-content ul { padding-left: 22px; }
.legal-content li { margin-bottom: 8px; }
.legal-content strong { color: var(--ink); }

/* FAQ */
.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 26px 0;
}
.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  gap: 20px;
}
.faq-q h3 { font-size: 1.08rem; font-weight: 600; }
.faq-plus {
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 1.5px solid var(--line);
  flex-shrink: 0;
  display: grid;
  place-items: center;
  position: relative;
  transition: transform 0.2s, border-color 0.2s;
}
.faq-plus::before, .faq-plus::after {
  content: '';
  position: absolute;
  background: var(--ink);
}
.faq-plus::before { width: 10px; height: 1.5px; }
.faq-plus::after { width: 1.5px; height: 10px; transition: opacity 0.2s; }
.faq-item.open .faq-plus { transform: rotate(45deg); border-color: var(--sage); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-item.open .faq-a { max-height: 300px; }
.faq-a p { padding-top: 14px; margin: 0; }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  padding: 56px 0 100px;
}
.contact-card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  margin-bottom: 16px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
}
.contact-card .feature-icon { margin-bottom: 0; flex-shrink: 0; }
.contact-card h3 { margin-bottom: 6px; font-size: 1.05rem; }
.contact-card p { margin: 0; font-size: 0.92rem; }
.contact-card a { color: var(--sage-deep); font-weight: 600; }

.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 20px;
}
.about-value h3 { margin-bottom: 10px; font-size: 1.1rem; }
.about-value p { font-size: 0.95rem; margin: 0; }

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .hero-grid { grid-template-columns: 1fr; }
  .ring-wrap { order: -1; margin-bottom: 10px; }
  .feature-row { grid-template-columns: 1fr; }
  .showcase, .showcase.reverse { grid-template-columns: 1fr; }
  .showcase.reverse .showcase-media,
  .showcase.reverse .showcase-copy { order: unset; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .legal-body { grid-template-columns: 1fr; }
  .legal-toc { position: static; display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 20px; }
  .legal-toc a { border-left: none; border: 1px solid var(--line); padding: 6px 12px; border-radius: 999px; }
  .contact-grid { grid-template-columns: 1fr; }
  .about-values { grid-template-columns: 1fr; }
  .cta-band { padding: 50px 30px; }
}

@media (prefers-reduced-motion: reduce) {
  .ring-progress { animation: none; stroke-dashoffset: 108; }
}