/* assets/css/main.css — SmartSwap Original Brand (restored) */

:root {
  --c-bg:        #F5F2EC;
  --c-bg2:       #EDEAE3;
  --c-surface:   #FFFFFF;
  --c-text:      #1C1B18;
  --c-text2:     #5C5A54;
  --c-text3:     #9C9A94;
  --c-accent:    #2D6A4F;
  --c-accent2:   #40916C;
  --c-accent3:   #B7E4C7;
  --c-sleep:     #3D405B;
  --c-gut:       #8B5E3C;
  --c-breath:    #2D6A4F;
  --c-gold:      #D4A853;
  --c-danger:    #C0392B;
  --c-border:    rgba(28,27,24,0.10);
  --c-border2:   rgba(28,27,24,0.06);
  --font-serif:  'Playfair Display', Georgia, serif;
  --font-sans:   'DM Sans', system-ui, sans-serif;
  --r-sm:        8px;
  --r-md:        12px;
  --r-lg:        20px;
  --r-xl:        32px;
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.06);
  --shadow-md:   0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg:   0 12px 40px rgba(0,0,0,0.12);
  --max-w:       1100px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--c-bg);
  color: var(--c-text);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

h1,h2,h3,h4 { font-family: var(--font-serif); font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: 1.25rem; }
em { font-style: italic; color: var(--c-accent2); }
p  { color: var(--c-text2); }
a  { color: var(--c-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 28px; border-radius: var(--r-md);
  font-family: var(--font-sans); font-size: 15px; font-weight: 500;
  cursor: pointer; text-decoration: none; border: 1.5px solid transparent;
  transition: all 0.2s ease; white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary  { background: var(--c-accent); color: #fff; border-color: var(--c-accent); }
.btn-primary:hover { background: var(--c-accent2); border-color: var(--c-accent2); }
.btn-outline  { background: transparent; color: var(--c-text); border-color: var(--c-border); }
.btn-outline:hover { background: var(--c-bg2); }
.btn-ghost    { background: transparent; color: var(--c-text2); border-color: transparent; }
.btn-ghost:hover { color: var(--c-text); }
.btn-danger   { background: var(--c-danger); color: #fff; border-color: var(--c-danger); }
.btn-lg  { padding: 16px 36px; font-size: 16px; }
.btn-sm  { padding: 8px 18px; font-size: 13px; }
.btn-block { width: 100%; }

/* NAV */
.nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; height: 64px;
  background: rgba(245,242,236,0.92); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border2);
}
.nav-logo {
  font-family: var(--font-serif); font-size: 1.4rem; font-weight: 700;
  color: var(--c-text); text-decoration: none; letter-spacing: -0.5px;
  display: flex; align-items: center; gap: 8px;
}
.nav-logo img { height: 32px; width: auto; }
.nav-logo span { color: var(--c-accent); }
.nav-logo .logo-smart { font-weight: 700; color: var(--c-text); font-family: var(--font-serif); }
.nav-logo .logo-swap  { font-weight: 400; color: var(--c-accent); font-family: var(--font-serif); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { font-size: 14px; color: var(--c-text2); font-weight: 500; }
.nav-links a:hover { color: var(--c-text); text-decoration: none; }

/* SECTIONS */
.section { padding: 100px 0; }
.section-eyebrow {
  font-size: 12px; font-weight: 500; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--c-accent); margin-bottom: 12px;
}
.section-title { margin-bottom: 16px; }
.section-sub { font-size: 1.1rem; color: var(--c-text2); max-width: 560px; margin-bottom: 48px; }

/* HERO */
.hero {
  position: relative; min-height: 92vh;
  display: flex; align-items: center;
  padding: 100px 0 80px; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: radial-gradient(ellipse 80% 60% at 70% 40%, rgba(64,145,108,0.08) 0%, transparent 70%),
              radial-gradient(ellipse 60% 50% at 20% 70%, rgba(183,228,199,0.12) 0%, transparent 60%);
}
.hero-content { position: relative; z-index: 1; max-width: 720px; }
.hero-eyebrow {
  display: inline-block; font-size: 12px; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--c-accent);
  background: rgba(45,106,79,0.08); padding: 6px 14px; border-radius: 99px; margin-bottom: 20px;
}
.hero-title { margin-bottom: 24px; }
.hero-sub { font-size: 1.2rem; color: var(--c-text2); margin-bottom: 36px; max-width: 560px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.hero-note { font-size: 13px; color: var(--c-text3); margin-bottom: 48px; }
.hero-stats { display: flex; align-items: center; gap: 24px; padding: 20px 0; border-top: 1px solid var(--c-border); }
.hero-stat strong { display: block; font-size: 1.5rem; font-family: var(--font-serif); color: var(--c-text); }
.hero-stat span { font-size: 13px; color: var(--c-text3); }
.hero-stat-div { width: 1px; height: 36px; background: var(--c-border); }

/* DEMO */
.section-demo { padding: 80px 0; background: var(--c-surface); border-top: 1px solid var(--c-border2); border-bottom: 1px solid var(--c-border2); }
.section-demo .container { text-align: center; }
.demo-label { font-size: 12px; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--c-text3); margin-bottom: 36px; }
.breathwork-demo { display: flex; flex-direction: column; align-items: center; gap: 16px; max-width: 320px; margin: 0 auto 24px; }
#breathCanvas { display: block; }
.breath-phase { font-family: var(--font-serif); font-size: 1.3rem; color: var(--c-text); min-height: 32px; }
.breath-timer { font-size: 2rem; font-weight: 300; color: var(--c-text2); letter-spacing: 0.05em; }
.demo-presets { display: flex; gap: 8px; }
.preset-btn {
  padding: 6px 16px; border-radius: 99px; border: 1px solid var(--c-border);
  background: transparent; cursor: pointer; font-size: 13px; color: var(--c-text2);
  font-family: var(--font-sans); transition: all 0.15s;
}
.preset-btn.active, .preset-btn:hover { background: var(--c-accent); color: #fff; border-color: var(--c-accent); }
.demo-note { font-size: 14px; color: var(--c-text3); max-width: 480px; margin: 0 auto; }

/* SWAPS */
.section-swaps { background: var(--c-bg); }
.swaps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.swap-card { background: var(--c-surface); border-radius: var(--r-lg); padding: 24px; border: 1px solid var(--c-border2); box-shadow: var(--shadow-sm); }
.swap-topic { font-size: 11px; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 12px; }
.swap-sleep  .swap-topic { color: var(--c-sleep); }
.swap-gut    .swap-topic { color: var(--c-gut); }
.swap-breath .swap-topic { color: var(--c-breath); }
.swap-label-old,.swap-label-new { display: block; font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 4px; }
.swap-label-old { color: var(--c-text3); }
.swap-label-new { color: var(--c-accent); }
.swap-old { padding: 12px; background: var(--c-bg); border-radius: var(--r-sm); font-size: 14px; color: var(--c-text2); line-height: 1.5; text-decoration: line-through; text-decoration-color: rgba(0,0,0,0.2); }
.swap-arrow { text-align: center; font-size: 11px; font-weight: 600; letter-spacing: 0.1em; color: var(--c-accent); padding: 8px 0; }
.swap-new { padding: 12px; background: rgba(45,106,79,0.06); border-radius: var(--r-sm); font-size: 14px; color: var(--c-text); line-height: 1.5; border-left: 3px solid var(--c-accent); }

/* FEATURES */
.section-features { background: var(--c-bg2); }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.feature-card { background: var(--c-surface); border-radius: var(--r-lg); padding: 28px; border: 1px solid var(--c-border2); }
.feature-card.feature-main { grid-column: span 2; background: var(--c-accent); }
@media (max-width: 700px) { .feature-card.feature-main { grid-column: span 1; } }
.feature-main h3,.feature-main p { color: #fff; }
.feature-main .feature-list { color: rgba(255,255,255,0.85); }
.feature-icon { font-size: 28px; margin-bottom: 12px; }
.feature-card h3 { margin-bottom: 10px; }
.feature-list { list-style: none; margin-top: 16px; display: flex; flex-direction: column; gap: 6px; }
.feature-list li { font-size: 14px; padding-left: 20px; position: relative; }
.feature-list li::before { content: '✓'; position: absolute; left: 0; color: var(--c-accent3); font-weight: 600; }
.feature-main .feature-list li::before { color: rgba(255,255,255,0.6); }

/* SCIENCE */
.section-science { background: var(--c-text); color: #fff; }
.section-science .section-eyebrow { color: var(--c-accent3); }
.section-science h2 { color: #fff; }
.section-science p { color: rgba(255,255,255,0.7); margin-bottom: 16px; }
.science-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
@media (max-width: 700px) { .science-grid { grid-template-columns: 1fr; } }
.nerve-diagram { display: flex; flex-direction: column; align-items: center; gap: 0; position: relative; }
.nerve-node { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.15); border-radius: var(--r-md); padding: 16px 28px; text-align: center; font-family: var(--font-serif); font-size: 1.1rem; font-weight: 700; color: #fff; min-width: 180px; }
.nerve-node span { display: block; font-family: var(--font-sans); font-size: 12px; font-weight: 400; color: rgba(255,255,255,0.5); font-style: normal; margin-top: 2px; }
.nerve-line { width: 2px; height: 36px; background: linear-gradient(to bottom, rgba(183,228,199,0.6), rgba(183,228,199,0.2)); }
.nerve-badge { margin-top: 20px; font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--c-accent3); border: 1px solid rgba(183,228,199,0.3); padding: 6px 16px; border-radius: 99px; }

/* TESTIMONIALS */
.section-testimonials { background: var(--c-bg); }
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.testimonial-card { background: var(--c-surface); border-radius: var(--r-lg); padding: 28px; border: 1px solid var(--c-border2); }
.testimonial-stars { color: var(--c-gold); font-size: 14px; margin-bottom: 12px; }
.testimonial-quote { font-family: var(--font-serif); font-size: 1rem; color: var(--c-text); line-height: 1.7; margin-bottom: 20px; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--c-accent); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 600; font-size: 15px; flex-shrink: 0; }
.testimonial-author strong { display: block; font-size: 14px; color: var(--c-text); }
.testimonial-author span { font-size: 12px; color: var(--c-text3); }

/* PRICING */
.section-pricing { background: var(--c-bg2); }
.section-pricing .section-sub { margin: 0 auto 48px; }
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; align-items: start; }
.pricing-card { background: var(--c-surface); border-radius: var(--r-xl); padding: 32px; border: 1px solid var(--c-border); position: relative; }
.pricing-featured { border-color: var(--c-accent); box-shadow: 0 0 0 3px rgba(45,106,79,0.1); transform: scale(1.02); }
.pricing-badge { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--c-accent); color: #fff; font-size: 12px; font-weight: 600; padding: 4px 18px; border-radius: 99px; white-space: nowrap; }
.pricing-header { margin-bottom: 28px; }
.pricing-header h3 { font-size: 1.1rem; margin-bottom: 10px; }
.pricing-amount { display: flex; align-items: baseline; gap: 4px; margin-bottom: 4px; }
.price { font-family: var(--font-serif); font-size: 2.8rem; font-weight: 700; color: var(--c-text); }
.period { font-size: 14px; color: var(--c-text3); }
.pricing-header p { font-size: 13px; color: var(--c-text3); }
.pricing-features { list-style: none; margin-bottom: 28px; display: flex; flex-direction: column; gap: 10px; }
.pricing-features li { font-size: 14px; padding-left: 22px; position: relative; }
.pricing-features li.yes { color: var(--c-text2); }
.pricing-features li.no  { color: var(--c-text3); }
.pricing-features li.yes::before { content: '✓'; position: absolute; left: 0; color: var(--c-accent); font-weight: 700; }
.pricing-features li.no::before  { content: '–'; position: absolute; left: 0; color: var(--c-text3); }
.pricing-footnote { text-align: center; font-size: 13px; color: var(--c-text3); margin-top: 24px; }

/* FAQ */
.section-faq { background: var(--c-bg); }
.faq-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(440px, 1fr)); gap: 0; }
@media (max-width: 600px) { .faq-grid { grid-template-columns: 1fr; } }
.faq-item { padding: 24px 0; border-bottom: 1px solid var(--c-border); }
.faq-q { font-family: var(--font-serif); font-size: 1.05rem; color: var(--c-text); margin-bottom: 8px; font-weight: 700; }
.faq-a { font-size: 14px; color: var(--c-text2); line-height: 1.7; }

/* FINAL CTA */
.section-final-cta { background: var(--c-bg2); padding: 80px 0; }
.final-cta-box { text-align: center; background: var(--c-surface); border-radius: var(--r-xl); padding: 64px 48px; border: 1px solid var(--c-border2); box-shadow: var(--shadow-lg); max-width: 640px; margin: 0 auto; }
.final-cta-box h2 { margin-bottom: 16px; }
.final-cta-box p { margin-bottom: 28px; }
.final-note { font-size: 13px; color: var(--c-text3); margin-top: 12px; }

/* FOOTER */
.footer { background: var(--c-text); color: rgba(255,255,255,0.6); padding: 60px 0 24px; }
.footer-inner { display: flex; justify-content: space-between; gap: 48px; flex-wrap: wrap; margin-bottom: 48px; }
.footer-brand .nav-logo { color: #fff; }
.footer-brand .nav-logo span { color: var(--c-accent3); }
.footer-brand p { font-size: 14px; margin-top: 8px; }
.footer-links { display: flex; gap: 48px; }
.footer-links div { display: flex; flex-direction: column; gap: 10px; }
.footer-links strong { color: #fff; font-size: 13px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,0.5); }
.footer-links a:hover { color: #fff; text-decoration: none; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px; }
.footer-bottom p { font-size: 13px; }

/* FORMS */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 14px; font-weight: 500; margin-bottom: 6px; color: var(--c-text); }
.form-input { width: 100%; padding: 12px 16px; border: 1.5px solid var(--c-border); border-radius: var(--r-sm); background: var(--c-surface); color: var(--c-text); font-family: var(--font-sans); font-size: 15px; transition: border-color 0.15s; }
.form-input:focus { outline: none; border-color: var(--c-accent); }
.form-error { font-size: 13px; color: var(--c-danger); margin-top: 4px; }
.form-hint  { font-size: 13px; color: var(--c-text3); margin-top: 4px; }

/* ALERTS */
.alert { padding: 14px 18px; border-radius: var(--r-sm); font-size: 14px; margin-bottom: 20px; }
.alert-success { background: rgba(45,106,79,0.1); color: var(--c-accent); border: 1px solid rgba(45,106,79,0.2); }
.alert-error   { background: rgba(192,57,43,0.08); color: var(--c-danger); border: 1px solid rgba(192,57,43,0.15); }
.alert-info    { background: rgba(61,64,91,0.08); color: var(--c-sleep); border: 1px solid rgba(61,64,91,0.15); }

/* APP LAYOUT */
.app-layout { display: flex; min-height: 100vh; }
/* ── Sidebar ────────────────────────────────────────────── */
.sidebar {
  width: 220px; flex-shrink: 0; background: var(--c-surface);
  border-right: 1px solid var(--c-border2); padding: 0; position: sticky;
  top: 0; height: 100vh; overflow-y: auto; display: flex; flex-direction: column;
}
.sidebar-nav { display: flex; flex-direction: column; flex: 1; }
.sidebar-section {
  font-size: 9.5px; font-weight: 700; letter-spacing: 0.11em; text-transform: uppercase;
  color: var(--c-text3); padding: 14px 18px 4px; display: block;
}
.sidebar-link {
  display: flex; align-items: center; gap: 9px;
  padding: 7px 18px; font-size: 13px; color: var(--c-text2);
  text-decoration: none; border-left: 2px solid transparent; transition: all 0.12s;
}
.sidebar-link:hover  { color: var(--c-text); background: rgba(0,0,0,0.03); text-decoration: none; }
.sidebar-link.active { border-left-color: var(--c-accent); color: var(--c-accent); background: rgba(45,106,79,0.06); font-weight: 500; }
.sidebar-footer {
  padding: 10px 18px 14px; border-top: 1px solid var(--c-border2);
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 4px;
}
.sidebar-footer a {
  font-size: 11px; color: var(--c-text3); text-decoration: none; transition: color 0.12s;
}
.sidebar-footer a:hover { color: var(--c-text2); }

.app-main { flex: 1; padding: 40px; overflow-y: auto; background: var(--c-bg); }
.app-header { margin-bottom: 32px; }
.app-header h1 { font-size: 1.8rem; margin-bottom: 4px; }

/* CARDS */
.card { background: var(--c-surface); border-radius: var(--r-lg); padding: 24px; border: 1px solid var(--c-border2); box-shadow: var(--shadow-sm); margin-bottom: 20px; }
.card-title { font-size: 15px; font-weight: 500; margin-bottom: 16px; color: var(--c-text); }

/* STATS */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.stat-card { background: var(--c-surface); border-radius: var(--r-md); padding: 20px; border: 1px solid var(--c-border2); text-align: center; }
.stat-value { font-family: var(--font-serif); font-size: 2rem; color: var(--c-text); font-weight: 700; }
.stat-label { font-size: 12px; color: var(--c-text3); margin-top: 2px; }

/* BREATHWORK */
.breath-container { display: flex; flex-direction: column; align-items: center; text-align: center; }
.technique-selector {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  width: 100%;
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--c-border2);
}
@media (max-width: 700px) {
  .technique-selector { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 380px) {
  .technique-selector { grid-template-columns: 1fr 1fr; gap: 8px; }
}
.technique-card { padding: 12px 14px; border-radius: var(--r-md); border: 1.5px solid var(--c-border); background: var(--c-surface); cursor: pointer; text-align: center; transition: all 0.15s; display: flex; flex-direction: column; justify-content: center; align-items: center; min-height: 64px; }
.technique-card:hover { border-color: var(--c-accent2); }
.technique-card.selected { border-color: var(--c-accent); background: rgba(45,106,79,0.04); }
.technique-name   { font-size: 14px; font-weight: 500; color: var(--c-text); }
.technique-ratio  { font-size: 12px; color: var(--c-text3); margin-top: 2px; }
.technique-premium { font-size: 10px; color: var(--c-gold); font-weight: 600; }

/* RANGE */
input[type=range] { -webkit-appearance: none; width: 100%; height: 4px; border-radius: 2px; background: var(--c-bg2); outline: none; }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%; background: var(--c-accent); cursor: pointer; }

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav-links a:not(.btn) { display: none; }
  .app-layout { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; }
  .app-main { padding: 20px; }
  .pricing-featured { transform: none; }
  .science-grid { grid-template-columns: 1fr; }
}

/* UTILITIES */
.text-center { text-align: center; }
.text-muted { color: var(--c-text3); }
.mt-4 { margin-top: 16px; } .mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; } .gap-8 { gap: 8px; }
.flex { display: flex; } .flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; } .justify-between { justify-content: space-between; }
.premium-lock { font-size: 12px; color: var(--c-gold); }

/* ── PWA STANDALONE MODE ──────────────────────────── */
/* Applied when running as installed app (not browser) */

/* Safe area insets for iPhone notch/home bar */
.is-app .sidebar  { padding-top: env(safe-area-inset-top, 0); }
.is-app .app-main { padding-bottom: calc(40px + env(safe-area-inset-bottom, 0)); }
.is-app .landing-nav,
.is-app .nav      { padding-top: env(safe-area-inset-top, 0); height: calc(64px + env(safe-area-inset-top, 0)); }

/* Hide browser chrome hints when in standalone */
.is-app .pwa-hide { display: none !important; }

/* Bottom tab bar for standalone mobile (optional — enabled by pwa.js) */
.pwa-tab-bar {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0;
  background: var(--c-surface); border-top: 1px solid var(--c-border2);
  padding: 8px 0 calc(8px + env(safe-area-inset-bottom, 0));
  z-index: 500;
}
.is-app .pwa-tab-bar { display: flex; }
.pwa-tab-item {
  flex: 1; display: flex; flex-direction: column; align-items: center;
  gap: 3px; text-decoration: none; padding: 4px 0;
}
.pwa-tab-item span:first-child { font-size: 20px; }
.pwa-tab-item span:last-child  { font-size: 10px; font-weight: 500; color: var(--c-text3); }
.pwa-tab-item.active span:last-child { color: var(--c-accent); }

/* ── ONBOARDING TUTORIAL ─────────────────────────── */
.tour-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(28,27,24,0.55);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  animation: tourFadeIn 0.4s ease;
}
@keyframes tourFadeIn { from { opacity:0 } to { opacity:1 } }

.tour-card {
  background: var(--c-surface);
  border-radius: 24px;
  max-width: 640px; width: 100%;
  box-shadow: 0 24px 80px rgba(0,0,0,0.22);
  overflow: hidden;
  position: relative;
  animation: tourSlideUp 0.4s cubic-bezier(0.22,1,0.36,1);
}
@keyframes tourSlideUp {
  from { opacity:0; transform: translateY(28px) }
  to   { opacity:1; transform: translateY(0) }
}

.tour-progress-bar {
  height: 3px; background: var(--c-bg2);
}
.tour-progress-fill {
  height: 100%; background: var(--c-accent);
  transition: width 0.4s ease;
}

.tour-header {
  padding: 28px 32px 0;
  display: flex; align-items: flex-start; justify-content: space-between;
}
.tour-step-label {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.12em; color: var(--c-accent);
}
.tour-dismiss {
  background: none; border: none; cursor: pointer; font-size: 18px;
  color: var(--c-text3); padding: 0; line-height: 1;
  transition: color 0.15s;
}
.tour-dismiss:hover { color: var(--c-text); }

.tour-body { padding: 20px 32px 28px; }

.tour-icon {
  font-size: 52px; margin-bottom: 16px; display: block;
  animation: tourIconPop 0.5s cubic-bezier(0.34,1.56,0.64,1) 0.15s both;
}
@keyframes tourIconPop {
  from { transform: scale(0.5); opacity:0 }
  to   { transform: scale(1);   opacity:1 }
}

.tour-title {
  font-family: var(--font-serif); font-size: 1.65rem; font-weight: 700;
  color: var(--c-text); margin-bottom: 10px; line-height: 1.25;
}
.tour-desc {
  font-size: 15px; color: var(--c-text2); line-height: 1.75;
  margin-bottom: 20px;
}
.tour-value {
  background: rgba(45,106,79,0.06);
  border-left: 3px solid var(--c-accent);
  border-radius: 0 10px 10px 0;
  padding: 12px 16px;
  font-size: 14px; color: var(--c-text2); line-height: 1.65;
  margin-bottom: 22px;
}
.tour-value strong { color: var(--c-text); }

.tour-action-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--c-accent); color: #fff;
  padding: 13px 24px; border-radius: 12px;
  font-size: 15px; font-weight: 600;
  text-decoration: none; border: none; cursor: pointer;
  font-family: var(--font-sans);
  transition: background 0.15s, transform 0.15s;
}
.tour-action-btn:hover {
  background: var(--c-accent2); text-decoration: none; color: #fff;
  transform: translateY(-1px);
}

.tour-footer {
  padding: 18px 32px 24px;
  display: flex; align-items: center; justify-content: space-between;
  border-top: 1px solid var(--c-border2);
  gap: 12px;
}
.tour-dots { display: flex; gap: 6px; }
.tour-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--c-bg2); transition: all 0.2s;
  cursor: pointer; border: none; padding: 0;
}
.tour-dot.active { background: var(--c-accent); width: 20px; border-radius: 4px; }
.tour-dot.done   { background: var(--c-accent3); }

.tour-nav { display: flex; gap: 8px; }
.tour-btn-prev {
  background: none; border: 1.5px solid var(--c-border);
  color: var(--c-text2); padding: 9px 18px; border-radius: 10px;
  font-size: 14px; font-weight: 500; cursor: pointer;
  font-family: var(--font-sans); transition: all 0.15s;
}
.tour-btn-prev:hover { border-color: var(--c-text2); color: var(--c-text); }
.tour-btn-next {
  background: var(--c-text); color: #fff;
  border: none; padding: 9px 22px; border-radius: 10px;
  font-size: 14px; font-weight: 600; cursor: pointer;
  font-family: var(--font-sans); transition: all 0.15s;
}
.tour-btn-next:hover { background: #000; }
.tour-btn-next.final { background: var(--c-accent); }
.tour-btn-next.final:hover { background: var(--c-accent2); }

/* Step-specific visual accents */
.tour-module-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 8px; margin-bottom: 20px;
}
.tour-module-item {
  display: flex; align-items: center; gap: 10px;
  background: var(--c-bg); border-radius: 10px; padding: 10px 12px;
  border: 1px solid var(--c-border2);
}
.tour-module-item .icon { font-size: 20px; flex-shrink: 0; }
.tour-module-item .text { font-size: 13px; }
.tour-module-item .text strong { display: block; color: var(--c-text); font-size: 13px; }
.tour-module-item .text span { color: var(--c-text3); font-size: 11px; }

.tour-path-step {
  display: flex; align-items: flex-start; gap: 12px;
  margin-bottom: 14px;
}
.tour-path-num {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--c-accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; flex-shrink: 0; margin-top: 1px;
}
.tour-path-text strong { font-size: 14px; color: var(--c-text); display: block; margin-bottom: 2px; }
.tour-path-text span   { font-size: 13px; color: var(--c-text2); line-height: 1.5; }

@media (max-width: 600px) {
  .tour-card { border-radius: 20px; }
  .tour-header, .tour-body, .tour-footer { padding-left: 20px; padding-right: 20px; }
  .tour-title { font-size: 1.35rem; }
  .tour-module-grid { grid-template-columns: 1fr; }
}