/* style.css — Quiet Signal Labs Design System */

/* ============================================
   FONTS: Instrument Serif + DM Sans
   ============================================ */

/* ============================================
   TYPE SCALE — Fluid with clamp()
   ============================================ */
:root {
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.9rem  + 0.5vw,  1.125rem);
  --text-lg:   clamp(1.125rem, 0.95rem + 0.85vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1rem    + 1.5vw,  2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    8rem);

  /* ============================================
     SPACING — 4px base grid
     ============================================ */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* ============================================
     FONT FAMILIES
     ============================================ */
  --font-display: 'Instrument Serif', 'Georgia', serif;
  --font-body: 'DM Sans', 'Helvetica Neue', sans-serif;

  /* ============================================
     RADIUS
     ============================================ */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* ============================================
     TRANSITIONS
     ============================================ */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* ============================================
     CONTENT WIDTHS
     ============================================ */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;
}

/* ============================================
   LIGHT MODE (DEFAULT) — Editorial White
   Warm, clean, premium editorial feel
   ============================================ */
:root, [data-theme="light"] {
  /* --- Surfaces (warm white editorial) --- */
  --color-bg:               #f9f9f7;
  --color-surface:          #ffffff;
  --color-surface-2:        #f5f5f3;
  --color-surface-offset:   #f0efed;
  --color-surface-offset-2: #e9e8e5;
  --color-surface-dynamic:  #e2e1de;
  --color-divider:          #d8d7d3;
  --color-border:           #cdccc8;

  /* --- Text --- */
  --color-text:           #1a1a1a;
  --color-text-muted:     #6b6b6b;
  --color-text-faint:     #a3a3a3;
  --color-text-inverse:   #f9f9f7;

  /* --- Primary Accent (Clean Blue) --- */
  --color-primary:          #2563eb;
  --color-primary-hover:    #1d4ed8;
  --color-primary-active:   #1e40af;
  --color-primary-highlight: #dbeafe;

  /* --- Secondary Accent (Warm Teal) --- */
  --color-teal:             #0d9488;
  --color-teal-hover:       #0f766e;
  --color-teal-active:      #115e59;
  --color-teal-highlight:   #ccfbf1;

  /* --- Semantic: Success --- */
  --color-success:          #16a34a;
  --color-success-hover:    #15803d;
  --color-success-active:   #166534;
  --color-success-highlight: #dcfce7;

  /* --- Semantic: Warning --- */
  --color-warning:          #d97706;
  --color-warning-hover:    #b45309;
  --color-warning-active:   #92400e;
  --color-warning-highlight: #fef3c7;

  /* --- Semantic: Error --- */
  --color-error:            #dc2626;
  --color-error-hover:      #b91c1c;
  --color-error-active:     #991b1b;
  --color-error-highlight:  #fee2e2;

  /* --- Shadows (warm-tinted) --- */
  --shadow-sm: 0 1px 2px oklch(0.2 0.01 80 / 0.06);
  --shadow-md: 0 4px 12px oklch(0.2 0.01 80 / 0.08);
  --shadow-lg: 0 12px 32px oklch(0.2 0.01 80 / 0.1);
}

/* ============================================
   DARK MODE — Warm Charcoal/Slate
   NOT near-black, warm and readable
   ============================================ */
[data-theme="dark"] {
  /* --- Surfaces (warm charcoal/slate) --- */
  --color-bg:               #1e2028;
  --color-surface:          #252730;
  --color-surface-2:        #2c2e38;
  --color-surface-offset:   #23252e;
  --color-surface-offset-2: #2f3140;
  --color-surface-dynamic:  #383a48;
  --color-divider:          #3a3c4a;
  --color-border:           #464858;

  /* --- Text --- */
  --color-text:           #e4e4e7;
  --color-text-muted:     #9ca3af;
  --color-text-faint:     #6b7280;
  --color-text-inverse:   #1e2028;

  /* --- Primary Accent (Brighter blue for dark bg) --- */
  --color-primary:          #60a5fa;
  --color-primary-hover:    #3b82f6;
  --color-primary-active:   #2563eb;
  --color-primary-highlight: #1e3a5f;

  /* --- Secondary Accent (Warm Teal — Dark) --- */
  --color-teal:             #5eead4;
  --color-teal-hover:       #2dd4bf;
  --color-teal-active:      #14b8a6;
  --color-teal-highlight:   #1a3a38;

  /* --- Semantic: Success --- */
  --color-success:          #4ade80;
  --color-success-hover:    #22c55e;
  --color-success-active:   #16a34a;
  --color-success-highlight: #1a3a2a;

  /* --- Semantic: Warning --- */
  --color-warning:          #fbbf24;
  --color-warning-hover:    #f59e0b;
  --color-warning-active:   #d97706;
  --color-warning-highlight: #3a3520;

  /* --- Semantic: Error --- */
  --color-error:            #f87171;
  --color-error-hover:      #ef4444;
  --color-error-active:     #dc2626;
  --color-error-highlight:  #3a2020;

  /* --- Shadows (dark mode) --- */
  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.2);
  --shadow-md: 0 4px 12px oklch(0 0 0 / 0.3);
  --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.4);
}

/* System preference fallback */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:               #1e2028;
    --color-surface:          #252730;
    --color-surface-2:        #2c2e38;
    --color-surface-offset:   #23252e;
    --color-surface-offset-2: #2f3140;
    --color-surface-dynamic:  #383a48;
    --color-divider:          #3a3c4a;
    --color-border:           #464858;
    --color-text:           #e4e4e7;
    --color-text-muted:     #9ca3af;
    --color-text-faint:     #6b7280;
    --color-text-inverse:   #1e2028;
    --color-primary:          #60a5fa;
    --color-primary-hover:    #3b82f6;
    --color-primary-active:   #2563eb;
    --color-primary-highlight: #1e3a5f;
    --color-teal:             #5eead4;
    --color-teal-hover:       #2dd4bf;
    --color-teal-active:      #14b8a6;
    --color-teal-highlight:   #1a3a38;
    --color-success:          #4ade80;
    --color-success-hover:    #22c55e;
    --color-success-active:   #16a34a;
    --color-success-highlight: #1a3a2a;
    --color-warning:          #fbbf24;
    --color-warning-hover:    #f59e0b;
    --color-warning-active:   #d97706;
    --color-warning-highlight: #3a3520;
    --color-error:            #f87171;
    --color-error-hover:      #ef4444;
    --color-error-active:     #dc2626;
    --color-error-highlight:  #3a2020;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.2);
    --shadow-md: 0 4px 12px oklch(0 0 0 / 0.3);
    --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.4);
  }
}

/* ============================================
   GLOBAL COMPONENT STYLES
   ============================================ */

/* Headings */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-text);
}

h1 { font-size: var(--text-3xl); font-weight: 400; }
h2 { font-size: var(--text-2xl); font-weight: 400; }
h3 { font-size: var(--text-xl);  font-weight: 400; }
h4 { font-size: var(--text-lg);  font-weight: 400; }

/* Links */
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
a:hover {
  color: var(--color-primary-hover);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-interactive),
              color var(--transition-interactive),
              box-shadow var(--transition-interactive),
              transform var(--transition-interactive);
  text-decoration: none;
  line-height: 1.4;
  min-height: 44px;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border: none;
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-md);
}
.btn-primary:active {
  background: var(--color-primary-active);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border: none;
  padding: var(--space-2) var(--space-4);
}
.btn-ghost:hover {
  background: var(--color-primary-highlight);
  color: var(--color-primary-hover);
}

/* Container */
.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
.container--default {
  max-width: var(--content-default);
}
.container--narrow {
  max-width: var(--content-narrow);
}

/* Sections */
.section {
  padding: clamp(var(--space-12), 6vw, var(--space-24)) var(--space-4);
}

/* Cards */
.card {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: box-shadow var(--transition-interactive),
              border-color var(--transition-interactive);
}

/* Badge / Pill */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
}

/* Form inputs */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-interactive),
              box-shadow var(--transition-interactive);
  min-height: 44px;
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-highlight);
}
.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-faint);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* Divider */
.divider {
  border: none;
  border-top: 1px solid var(--color-divider);
  margin: var(--space-8) 0;
}

/* Overline label */
.overline {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* Section heading */
.section-heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.section-subheading {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
  line-height: 1.6;
}

/* ============================================
   SCROLL ANIMATIONS — CSS-only fade-in
   ============================================ */
.fade-in {
  opacity: 1;
}

@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 100%;
  }
}

@keyframes reveal-fade {
  to { opacity: 1; }
}

/* ============================================
   NAVIGATION
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: oklch(from var(--color-bg) l c h / 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
  max-width: var(--content-wide);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.site-logo:hover {
  color: var(--color-text);
}
.site-logo .material-symbols-outlined {
  font-size: 28px;
  color: var(--color-primary);
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: var(--space-6);
  margin-left: auto;
}
@media (min-width: 768px) {
  .nav-desktop {
    display: flex;
  }
}

.nav-link {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
  padding: var(--space-2) 0;
}
.nav-link:hover {
  color: var(--color-text);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-left: var(--space-6);
}

/* Theme toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: background var(--transition-interactive),
              color var(--transition-interactive);
}
.theme-toggle:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}

/* Mobile menu toggle */
.mobile-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-text);
  border-radius: var(--radius-md);
  transition: background var(--transition-interactive);
}
.mobile-menu-toggle:hover {
  background: var(--color-surface-offset);
}
@media (min-width: 768px) {
  .mobile-menu-toggle {
    display: none;
  }
}

/* Mobile nav overlay */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  top: 57px;
  z-index: 99;
  background: var(--color-bg);
  padding: var(--space-6) var(--space-4);
  flex-direction: column;
  gap: var(--space-4);
}
.mobile-nav.is-open {
  display: flex;
}
.mobile-nav .nav-link {
  font-size: var(--text-lg);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--color-surface-offset);
  border-top: 1px solid var(--color-divider);
  padding: clamp(var(--space-12), 6vw, var(--space-20)) var(--space-4);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  max-width: var(--content-wide);
  margin-inline: auto;
}
@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer-brand p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 32ch;
}

.footer-col h4 {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-col a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer-col a:hover {
  color: var(--color-text);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  max-width: var(--content-wide);
  margin-inline: auto;
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
}

.footer-bottom p,
.footer-bottom a {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.footer-bottom a {
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer-bottom a:hover {
  color: var(--color-text-muted);
}

.footer-legal {
  display: flex;
  gap: var(--space-4);
}

/* Social links */
.social-links {
  display: flex;
  gap: var(--space-3);
}
.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive),
              background var(--transition-interactive);
}
.social-link:hover {
  color: var(--color-text);
  background: var(--color-surface-dynamic);
}

/* ============================================
   HERO SECTIONS
   ============================================ */
.hero {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) var(--space-4);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero--with-bg {
  background-size: 0 0 !important;
}
.hero--with-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: inherit;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.15;
  pointer-events: none;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  font-style: italic;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  max-width: 18ch;
  margin-inline: auto;
  line-height: 1.1;
}

.hero-subhead {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 56ch;
  margin-inline: auto;
  margin-bottom: var(--space-6);
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.hero-small {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-align: center;
  display: block;
  margin-inline: auto;
}

/* ============================================
   LEGAL PROSE (Privacy, Terms)
   ============================================ */
.legal-prose h2 {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}
.legal-prose h3 {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-top: var(--space-5);
  margin-bottom: var(--space-2);
}
.legal-prose p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-4);
}
.legal-prose ul {
  list-style-type: disc;
  padding-left: var(--space-5);
  margin-bottom: var(--space-5);
}
.legal-prose li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-2);
}
.legal-prose strong {
  font-weight: 600;
  color: var(--color-text);
}
.legal-prose a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.legal-prose a:hover {
  text-decoration: underline;
}

/* ============================================
   ACCORDION (FAQ)
   ============================================ */
.accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.accordion-item {
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-interactive);
}
.accordion-item:hover {
  border-color: oklch(from var(--color-text) l c h / 0.15);
}

.accordion-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-4) var(--space-5);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  background: none;
  border: none;
  min-height: 44px;
  gap: var(--space-4);
  transition: background var(--transition-interactive);
}
.accordion-trigger:hover {
  background: var(--color-surface-offset);
}

.accordion-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  transition: transform var(--transition-interactive);
}
.accordion-item.is-open .accordion-icon {
  transform: rotate(45deg);
}

.accordion-content {
  display: none;
  padding: 0 var(--space-5) var(--space-5);
}
.accordion-item.is-open .accordion-content {
  display: block;
}
.accordion-content p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ============================================
   STAT BAR
   ============================================ */
.stat-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-lg);
}

.stat-item {
  text-align: center;
}
.stat-value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text);
  font-weight: 400;
}
.stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ============================================
   WEEK TIMELINE
   ============================================ */
.timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.timeline-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  align-items: start;
}

.timeline-marker {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-sm);
  flex-shrink: 0;
}

.timeline-content h4 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
}

.timeline-content p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ============================================
   PRICING CARD
   ============================================ */
.pricing-card {
  background: var(--color-surface);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  max-width: 480px;
  margin-inline: auto;
}

.pricing-card .price {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.pricing-card .price-note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  text-align: left;
  margin-bottom: var(--space-6);
}

.pricing-features li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}
.pricing-features li::before {
  content: "✓";
  color: var(--color-primary);
  font-weight: 700;
  flex-shrink: 0;
}

.guarantee {
  margin-top: var(--space-6);
  padding: var(--space-4);
  background: var(--color-primary-highlight);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: 500;
}

[data-theme="dark"] .guarantee {
  color: var(--color-primary);
}

/* ============================================
   PATH/FUNNEL CARDS
   ============================================ */
.path-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: var(--space-4);
}

.path-card {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: box-shadow var(--transition-interactive),
              border-color var(--transition-interactive);
}
.path-card:hover {
  box-shadow: var(--shadow-md);
  border-color: oklch(from var(--color-text) l c h / 0.15);
}

.path-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  font-style: italic;
}

.path-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  flex-grow: 1;
}

.path-card a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

/* ============================================
   CALLOUT BOX
   ============================================ */
.callout {
  padding: var(--space-5) var(--space-6);
  background: var(--color-surface-offset);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.7;
}

/* ============================================
   CHECK LIST (for "This is for you if" etc.)
   ============================================ */
.check-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.6;
}
.check-list li::before {
  content: "→";
  color: var(--color-primary);
  font-weight: 600;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ============================================
   FORM LAYOUT
   ============================================ */
.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
@media (min-width: 640px) {
  .form-grid--2col {
    grid-template-columns: 1fr 1fr;
  }
}

.form-grid .full-width {
  grid-column: 1 / -1;
}

/* ============================================
   DETAILS LIST (for session details)
   ============================================ */
.details-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

.detail-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.detail-item .detail-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-faint);
  font-weight: 500;
}

.detail-item .detail-value {
  font-size: var(--text-base);
  color: var(--color-text);
  font-weight: 500;
}

/* ============================================
   SKIP LINK
   ============================================ */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 200;
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  text-decoration: none;
}
.skip-link:focus {
  top: var(--space-2);
}

/* ============================================
   DATA INSIGHTS SECTION
   ============================================ */
.data-insights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr));
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.data-insight-card {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  transition: box-shadow var(--transition-interactive),
              border-color var(--transition-interactive);
}
.data-insight-card:hover {
  box-shadow: var(--shadow-md);
  border-color: oklch(from var(--color-text) l c h / 0.15);
}

.data-insight-value {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-style: italic;
  color: var(--color-primary);
  line-height: 1.1;
  margin-bottom: var(--space-2);
}

.data-insight-label {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  line-height: 1.4;
}

.data-insight-source {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  line-height: 1.4;
}

.data-insight-source a {
  color: var(--color-text-faint);
  text-decoration: underline;
  text-decoration-color: oklch(from var(--color-text-faint) l c h / 0.4);
  text-underline-offset: 2px;
}
.data-insight-source a:hover {
  color: var(--color-text-muted);
}

/* ============================================
   RESPONSIVE UTILITIES
   ============================================ */
@media (max-width: 767px) {
  .hide-mobile {
    display: none !important;
  }
}
@media (min-width: 768px) {
  .hide-desktop {
    display: none !important;
  }
}