:root {
  --accent: #C0441B;
  --accent-hover: #A53B16;
  --accent-light: #FFF0E8;
  --bg: #FFFBF5;
  --surface: #FFFFFF;
  --surface-2: #FDF6EF;
  --text: #1A1512;
  --text-muted: #7A6E67;
  --border: #EDE3DB;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 2px 8px rgba(60,30,10,0.07);
  --shadow-md: 0 4px 20px rgba(60,30,10,0.10);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 17px;
  overflow-x: hidden;
}

/* ── Nav ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,251,245,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}
.nav-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}
.nav-logo {
  font-weight: 700;
  font-size: 15px;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; gap: 24px; align-items: center; }
.nav-links a {
  font-size: 14px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 7px 16px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px !important;
  transition: background 0.15s !important;
}
.nav-cta:hover { background: var(--accent-hover) !important; color: #fff !important; }

/* ── Shared layout ── */
.container { max-width: 1000px; margin: 0 auto; padding: 0 24px; }
section { padding: 72px 0; }
section:nth-child(even) { background: var(--surface-2); }

h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 800; line-height: 1.2; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; line-height: 1.25; letter-spacing: -0.02em; }
h3 { font-size: 1.1rem; font-weight: 700; }
p { color: var(--text-muted); }
strong { color: var(--text); }

.label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

/* ── Hero ── */
#hero { padding: 80px 0 64px; }
.hero-inner { display: grid; gap: 48px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 24px;
  border: 1px solid rgba(232,100,42,0.2);
}
.hero-badge::before { content: "✦"; font-size: 10px; }
#hero h1 { margin-bottom: 20px; }
#hero h1 em { font-style: normal; color: var(--accent); }
#hero .lead {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 580px;
  margin-bottom: 36px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  padding: 13px 24px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  transition: background 0.15s, transform 0.1s;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  color: var(--text);
  padding: 13px 24px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  border: 1.5px solid var(--border);
  transition: border-color 0.15s, transform 0.1s;
}
.btn-secondary:hover { border-color: var(--accent); transform: translateY(-1px); }
.hero-note {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 16px;
}
.hero-note a { color: var(--accent); text-decoration: none; }

/* ── Why ── */
#why .section-header { margin-bottom: 48px; }
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.why-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}
.why-icon { font-size: 28px; margin-bottom: 14px; }
.why-card h3 { color: var(--text); margin-bottom: 10px; }
.why-card p { font-size: 15px; line-height: 1.65; }

/* ── Guide ── */
#guide { padding: 72px 0; }
#guide .section-header { margin-bottom: 36px; }
#guide .section-header p { font-size: 1.05rem; margin-top: 12px; max-width: 560px; }

/* ── Learn section (home page: guide + terms merged) ── */
section#learn { padding: 0; background: var(--surface-2); }
section#guide { padding: 0; }
section#guide > .container { padding: 72px 24px; }

/* Sticky bar — hidden until in-page picker scrolls off */
.learn-persona-sticky {
  position: fixed;
  top: 56px;
  left: 0;
  width: 100%;
  z-index: 50;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  display: none;
}
.learn-persona-sticky.visible { display: block; }
.sticky-desktop { padding: 10px 24px; }
.learn-persona-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
}
.sticky-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}
.sticky-description {
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  font-style: italic;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sticky-mobile { display: none; }

/* In-page persona picker */
.persona-picker {
  text-align: center;
  margin-bottom: 40px;
}
.picker-heading {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.persona-picker .persona-tabs { justify-content: center; margin-bottom: 14px; }
.persona-description {
  font-size: 15px;
  color: var(--accent);
  font-weight: 600;
  font-style: italic;
  min-height: 1.5em;
}

/* Horizontal scroll pill row */
.persona-tabs-scroll {
  flex-wrap: nowrap !important;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  justify-content: flex-start !important;
  padding: 8px 20px;
  mask-image: linear-gradient(to right, black 80%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, black 80%, transparent 100%);
}
.persona-tabs-scroll::-webkit-scrollbar { display: none; }

.persona-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.nav-persona-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}
.nav-persona-select {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 5px 10px;
  cursor: pointer;
  max-width: 180px;
}
.persona-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 999px;
  padding: 11px 18px;
  min-height: 44px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.persona-tab:hover { border-color: var(--accent); color: var(--text); }
.persona-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.persona-tab .emoji { font-size: 16px; }

.persona-panel { display: none; }
.persona-panel.active { display: block; }

.guide-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 40px;
  box-shadow: var(--shadow-md);
}
.guide-intro {
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.guide-q { margin-bottom: 28px; }
.guide-q h3 {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.guide-q p, .guide-q ul, .guide-q ol {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
}
.guide-q ul, .guide-q ol { padding-left: 20px; }
.guide-q li { margin-bottom: 6px; }
.panel-note {
  margin-top: 16px;
  padding: 12px 16px;
  background: var(--surface-2);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 14px;
  color: var(--text-muted);
}
.panel-note a { color: var(--accent); text-decoration: none; }
.panel-note a:hover { text-decoration: underline; }

/* ── Toolkit ── */
#toolkit .section-header { margin-bottom: 48px; }
.toolkit-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; margin-bottom: 48px; }
.toolkit-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: transform 0.15s, box-shadow 0.15s;
}
.toolkit-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.toolkit-card .card-icon { font-size: 24px; margin-bottom: 12px; }
.toolkit-card h3 { font-size: 15px; margin-bottom: 8px; }
.toolkit-card p { font-size: 14px; line-height: 1.6; }
.toolkit-card .tag-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.tag {
  font-size: 12px;
  font-weight: 600;
  background: var(--accent-light);
  color: var(--accent);
  padding: 3px 10px;
  border-radius: 999px;
}

.get-started {
  background: var(--accent-light);
  border: 1.5px solid rgba(232,100,42,0.2);
  border-radius: var(--radius);
  padding: 36px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.get-started h3 { font-size: 1.3rem; margin-bottom: 8px; }
.get-started p { font-size: 15px; max-width: 500px; }

/* ── Footer ── */
footer {
  background: var(--surface-2);
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  text-align: center;
}
footer p { font-size: 14px; color: var(--text-muted); }
footer a { color: var(--accent); text-decoration: none; }

/* ── Nav active state ── */
.nav-link-active {
  font-size: 14px;
  color: var(--text);
  font-weight: 600;
}

/* ── Terms ── */
#terms { padding: 72px 0; border-top: 1px solid var(--border); }
#terms .section-header { margin-bottom: 12px; }
#terms .section-header p { font-size: 1.05rem; margin-top: 12px; max-width: 560px; }
.persona-note {
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 28px;
}
.terms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.term-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 22px;
  box-shadow: var(--shadow);
}
.term-card h3 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.term-card p { font-size: 15px; line-height: 1.65; color: var(--text); }
.term-card a { color: var(--accent); text-decoration: none; }
.term-card a:hover { text-decoration: underline; }

/* ── Tools ── */
#tools { background: var(--surface-2); }
#tools .section-header { margin-bottom: 40px; }
.tools-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
.tool-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
}
.tool-card-live {
  transition: transform 0.15s, box-shadow 0.15s;
  text-decoration: none;
  color: inherit;
  display: block;
}
.tool-card-live:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.tool-card-coming { opacity: 0.55; }
.tool-icon { font-size: 28px; margin-bottom: 14px; }
.tool-card h3 { color: var(--text); margin-bottom: 8px; font-size: 1.1rem; }
.tool-card p { font-size: 14px; line-height: 1.6; }
.tool-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  background: var(--accent);
  color: #fff;
  padding: 2px 9px;
  border-radius: 999px;
  margin-top: 14px;
}
.tool-badge-soon {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  background: var(--surface-2);
  color: var(--text-muted);
  padding: 2px 9px;
  border-radius: 999px;
  border: 1px solid var(--border);
  margin-top: 14px;
}

/* ── Responsive ── */
@media (max-width: 640px) {
  section { padding: 52px 0; }
  .guide-card { padding: 24px 20px; }
  .get-started { flex-direction: column; }
  .nav-links .nav-link-hide { display: none; }
  .terms-grid { grid-template-columns: 1fr; }
  .tools-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .sticky-desktop { display: none; }
  .sticky-mobile { display: block; }
  .persona-picker .persona-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    padding: 0 4px 4px;
    scrollbar-width: none;
    margin-bottom: 14px;
    mask-image: linear-gradient(to right, black 80%, transparent 100%);
    -webkit-mask-image: linear-gradient(to right, black 80%, transparent 100%);
  }
  .persona-picker .persona-tabs::-webkit-scrollbar { display: none; }
}
@media (max-width: 480px) {
  .nav-persona-label { display: none; }
  .nav-persona-select { max-width: 140px; }
}