/* =============================================================
   PEAK CURRICULUM — DESIGN SYSTEM
   Single source of truth. All pages reference these tokens.
   ============================================================= */

:root {
  /* COLOR — extracted from logo */
  --pk-navy:        #0d1b3d;      /* deep navy from logo bg / primary dark */
  --pk-navy-90:     #14254d;      /* one step lighter for layered surfaces */
  --pk-navy-80:     #1e3163;
  --pk-slate:       #5a8a9a;      /* slate-blue from "CURRICULUM" wordmark */
  --pk-slate-light: #8db0bd;
  --pk-blue-soft:   #c8dde5;      /* soft blue from logo mountain */
  --pk-orange:      #f29040;      /* primary orange from logo */
  --pk-orange-deep: #d97a2c;      /* hover state, slightly deeper */

  --pk-bg:          #f7f6f2;      /* warm off-white page background */
  --pk-surface:     #ffffff;      /* card surface */
  --pk-line:        #e8e5dd;      /* subtle border on light bg */
  --pk-line-dark:   rgba(255,255,255,0.08);

  --pk-ink:         #1a1f2e;      /* primary text on light */
  --pk-ink-muted:   #5a6478;      /* secondary text */
  --pk-ink-subtle:  #8a93a5;      /* tertiary / labels */
  --pk-ink-light:   rgba(255,255,255,0.95);
  --pk-ink-light-muted: rgba(255,255,255,0.65);
  --pk-ink-light-subtle: rgba(255,255,255,0.45);

  /* SPACING — strict 8pt scale */
  --pk-1:   4px;
  --pk-2:   8px;
  --pk-3:   16px;
  --pk-4:   24px;
  --pk-5:   32px;
  --pk-6:   48px;
  --pk-7:   64px;
  --pk-8:   96px;
  --pk-9:   128px;

  /* TYPOGRAPHY */
  --pk-font-display: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --pk-font-emphasis: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --pk-font-body:    'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Type ramp */
  --pk-text-xs:   12px;
  --pk-text-sm:   14px;
  --pk-text-base: 16px;
  --pk-text-lg:   18px;
  --pk-text-xl:   22px;
  --pk-text-2xl:  28px;
  --pk-text-3xl:  36px;
  --pk-text-4xl:  48px;
  --pk-text-5xl:  64px;

  /* RADIUS — single discipline */
  --pk-radius-sm: 6px;
  --pk-radius:    12px;
  --pk-radius-lg: 16px;

  /* ELEVATION */
  --pk-shadow-sm: 0 1px 2px rgba(13, 27, 61, 0.06);
  --pk-shadow:    0 4px 16px rgba(13, 27, 61, 0.08);
  --pk-shadow-lg: 0 12px 40px rgba(13, 27, 61, 0.12);

  /* MOTION */
  --pk-ease:      cubic-bezier(0.4, 0, 0.2, 1);
  --pk-duration:  220ms;

  /* LAYOUT */
  --pk-max-width: 1200px;
  --pk-content-width: 720px;
}

/* =============================================================
   RESET & BASE
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
  font-family: var(--pk-font-body);
  font-size: var(--pk-text-base);
  line-height: 1.6;
  color: var(--pk-ink);
  background: var(--pk-bg);
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* =============================================================
   NAVIGATION
   ============================================================= */
.pk-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 72px;
  padding: 0 var(--pk-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(13, 27, 61, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--pk-line-dark);
}
.pk-nav__logo {
  display: flex;
  align-items: center;
  height: 40px;
}
.pk-nav__logo img {
  height: 40px;
  width: auto;
}
.pk-nav__links {
  display: flex;
  align-items: center;
  gap: var(--pk-5);
  list-style: none;
}
.pk-nav__link {
  color: var(--pk-ink-light-muted);
  font-size: var(--pk-text-sm);
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color var(--pk-duration) var(--pk-ease);
}
.pk-nav__link:hover,
.pk-nav__link[aria-current="page"] {
  color: var(--pk-orange);
}
.pk-nav__cta {
  background: var(--pk-orange);
  color: white;
  padding: 10px 20px;
  border-radius: var(--pk-radius-sm);
  font-size: var(--pk-text-sm);
  font-weight: 600;
  transition: background var(--pk-duration) var(--pk-ease);
}
.pk-nav__cta:hover {
  background: var(--pk-orange-deep);
  color: white;
}

/* Demo indicator — restrained, sits under nav */
.pk-demo-tag {
  position: fixed;
  top: 72px; left: 0; right: 0;
  z-index: 99;
  background: var(--pk-navy-90);
  color: var(--pk-ink-light-muted);
  font-size: var(--pk-text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  padding: 8px var(--pk-3);
  border-bottom: 1px solid var(--pk-line-dark);
}
.pk-demo-tag strong { color: var(--pk-orange); font-weight: 600; }

/* =============================================================
   HERO
   ============================================================= */
.pk-hero {
  background: var(--pk-navy);
  color: var(--pk-ink-light);
  padding: 160px 0 var(--pk-8);
  position: relative;
  overflow: hidden;
}
.pk-hero--compact { padding: 144px 0 var(--pk-7); }
.pk-hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--pk-line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--pk-line-dark) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at top right, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at top right, black 20%, transparent 70%);
  pointer-events: none;
}
.pk-hero__inner {
  max-width: var(--pk-max-width);
  margin: 0 auto;
  padding: 0 var(--pk-5);
  position: relative;
}
.pk-eyebrow {
  display: inline-block;
  font-size: var(--pk-text-sm);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pk-orange-deep);
  margin-bottom: var(--pk-3);
}
.pk-hero__title {
  font-family: var(--pk-font-display);
  font-size: clamp(40px, 5vw, var(--pk-text-5xl));
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--pk-4);
  max-width: 16ch;
}
.pk-hero__title em { font-family: var(--pk-font-emphasis); font-style: normal; color: var(--pk-orange); font-weight: 700; }
.pk-hero__lede {
  font-size: var(--pk-text-lg);
  line-height: 1.55;
  color: var(--pk-ink-light-muted);
  max-width: 56ch;
  margin-bottom: var(--pk-5);
}
.pk-hero__actions { display: flex; gap: var(--pk-3); flex-wrap: wrap; align-items: center; }

/* =============================================================
   BUTTONS
   ============================================================= */
.pk-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--pk-2);
  padding: 12px 24px;
  border-radius: var(--pk-radius-sm);
  font-size: var(--pk-text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: all var(--pk-duration) var(--pk-ease);
  white-space: nowrap;
}
.pk-btn--primary {
  background: var(--pk-orange);
  color: white;
  box-shadow: var(--pk-shadow-sm);
}
.pk-btn--primary:hover {
  background: #F7A85C;
  color: var(--pk-navy);
  box-shadow: 0 8px 20px rgba(242, 144, 64, 0.35);
  transform: translateY(-2px);
}
.pk-btn--ghost-light {
  background: transparent;
  color: var(--pk-ink-light);
  border: 1px solid rgba(255, 255, 255, 0.45);
}
.pk-btn--ghost-light:hover {
  background: white;
  color: var(--pk-navy);
  border-color: white;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
  transform: translateY(-2px);
}
.pk-btn--ghost {
  background: transparent;
  color: var(--pk-navy);
  border: 1px solid var(--pk-line);
}
.pk-btn--ghost:hover { border-color: var(--pk-navy); }

.pk-btn__icon { width: 16px; height: 16px; flex-shrink: 0; }

/* =============================================================
   SECTIONS
   ============================================================= */
.pk-section {
  padding: var(--pk-8) var(--pk-5);
}
.pk-section--tight { padding: var(--pk-7) var(--pk-5); }
.pk-section--dark { background: var(--pk-navy); color: var(--pk-ink-light); }
.pk-container {
  max-width: var(--pk-max-width);
  margin: 0 auto;
}
.pk-section__head { margin-bottom: var(--pk-6); max-width: 56ch; }
.pk-section__title {
  font-family: var(--pk-font-display);
  font-size: clamp(28px, 3.5vw, var(--pk-text-3xl));
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--pk-navy);
  margin-bottom: var(--pk-3);
}
.pk-section--dark .pk-section__title { color: var(--pk-ink-light); }
.pk-section__title em { font-style: italic; color: var(--pk-orange); }
.pk-section__lede {
  font-size: var(--pk-text-lg);
  line-height: 1.6;
  color: var(--pk-ink-muted);
}
.pk-section--dark .pk-section__lede { color: var(--pk-ink-light-muted); }

/* =============================================================
   GRID & CARDS
   ============================================================= */
.pk-grid { display: grid; gap: var(--pk-3); }
.pk-grid--2 { grid-template-columns: repeat(2, 1fr); }
.pk-grid--3 { grid-template-columns: repeat(3, 1fr); }
.pk-grid--4 { grid-template-columns: repeat(4, 1fr); }

.pk-card {
  background: var(--pk-surface);
  border: 1px solid var(--pk-line);
  border-radius: var(--pk-radius);
  padding: var(--pk-5);
  transition: border-color var(--pk-duration) var(--pk-ease),
              box-shadow var(--pk-duration) var(--pk-ease),
              transform var(--pk-duration) var(--pk-ease);
  text-decoration: none;
  color: inherit;
  display: block;
}
.pk-card:hover {
  border-color: var(--pk-slate);
  box-shadow: var(--pk-shadow);
  transform: translateY(-2px);
}
.pk-card--planned { border-style: dashed; }
.pk-card--feature { border: 1px solid var(--pk-slate-light); background: linear-gradient(180deg, var(--pk-surface) 0%, rgba(200, 221, 229, 0.15) 100%); }
.pk-card--span-2 { grid-column: span 2; }
.pk-card--span-full { grid-column: 1 / -1; }

.pk-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--pk-radius-sm);
  background: rgba(90, 138, 154, 0.1);
  color: var(--pk-slate);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--pk-3);
}
.pk-card__icon--orange { background: rgba(242, 144, 64, 0.12); color: var(--pk-orange); }
.pk-card__icon svg { width: 22px; height: 22px; }
.pk-card__icon--badge { width: auto; height: auto; background: none; border: none; padding: 0; display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.25rem; }
.pk-card__icon--badge img { width: 48px; height: 48px; flex-shrink: 0; }

.pk-card__title {
  font-family: var(--pk-font-display);
  font-size: var(--pk-text-xl);
  font-weight: 700;
  line-height: 1.25;
  color: var(--pk-navy);
  margin-bottom: var(--pk-2);
}
.pk-card__body {
  font-size: var(--pk-text-sm);
  line-height: 1.65;
  color: var(--pk-ink-muted);
  margin-bottom: var(--pk-3);
}
.pk-card__footer {
  display: inline-flex;
  align-items: center;
  gap: var(--pk-1);
  font-size: var(--pk-text-sm);
  font-weight: 600;
  color: var(--pk-slate);
}
.pk-card:hover .pk-card__footer { color: var(--pk-orange); }

.pk-tag {
  display: inline-block;
  font-size: var(--pk-text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pk-slate);
  margin-bottom: var(--pk-2);
}
.pk-tag--orange { color: var(--pk-orange); }
.pk-tag--muted { color: var(--pk-ink-subtle); }

/* =============================================================
   STAT ROW
   ============================================================= */
.pk-stats {
  display: flex;
  gap: var(--pk-5);
  margin-top: var(--pk-3);
  padding-top: var(--pk-3);
  border-top: 1px solid var(--pk-line);
}
.pk-stat__value {
  font-family: var(--pk-font-display);
  font-size: var(--pk-text-2xl);
  font-weight: 700;
  color: var(--pk-navy);
  line-height: 1;
  margin-bottom: 4px;
}
.pk-stat__label {
  font-size: var(--pk-text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pk-ink-subtle);
}

/* =============================================================
   FOOTER
   ============================================================= */
.pk-footer {
  background: var(--pk-navy);
  color: var(--pk-ink-light-muted);
  padding: var(--pk-7) var(--pk-5) var(--pk-5);
  border-top: 1px solid var(--pk-line-dark);
}
.pk-footer__inner {
  max-width: var(--pk-max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--pk-6);
  margin-bottom: var(--pk-6);
}
.pk-footer__brand { max-width: 32ch; }
.pk-footer__brand img { height: 36px; margin-bottom: var(--pk-3); }
.pk-footer__brand p { font-size: var(--pk-text-sm); line-height: 1.6; }
.pk-footer__col h4 {
  font-size: var(--pk-text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--pk-ink-light);
  margin-bottom: var(--pk-3);
}
.pk-footer__col ul { list-style: none; display: flex; flex-direction: column; gap: var(--pk-2); }
.pk-footer__col a { font-size: var(--pk-text-sm); transition: color var(--pk-duration) var(--pk-ease); }
.pk-footer__col a:hover { color: var(--pk-orange); }
.pk-footer__base {
  max-width: var(--pk-max-width);
  margin: 0 auto;
  padding-top: var(--pk-4);
  border-top: 1px solid var(--pk-line-dark);
  font-size: var(--pk-text-xs);
  color: var(--pk-ink-light-subtle);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--pk-3);
}

/* =============================================================
   PROSE PAGE
   ============================================================= */
.pk-page { padding: 144px var(--pk-5) var(--pk-8); max-width: var(--pk-content-width); margin: 0 auto; }
.pk-page__title {
  font-family: var(--pk-font-display);
  font-size: clamp(32px, 4vw, var(--pk-text-4xl));
  font-weight: 700;
  line-height: 1.15;
  color: var(--pk-navy);
  margin-bottom: var(--pk-3);
  letter-spacing: -0.02em;
}
.pk-page__title em { font-style: italic; color: var(--pk-orange); }
.pk-page__lede { font-size: var(--pk-text-lg); line-height: 1.6; color: var(--pk-ink-muted); margin-bottom: var(--pk-6); }

.pk-note {
  background: var(--pk-surface);
  border: 1px solid var(--pk-line);
  border-radius: var(--pk-radius);
  padding: var(--pk-5);
  margin: var(--pk-5) 0;
}
.pk-note h3 {
  font-family: var(--pk-font-display);
  font-size: var(--pk-text-lg);
  font-weight: 700;
  color: var(--pk-navy);
  margin-bottom: var(--pk-2);
}
.pk-note p { font-size: var(--pk-text-sm); color: var(--pk-ink-muted); line-height: 1.65; }

.pk-back {
  display: inline-flex;
  align-items: center;
  gap: var(--pk-1);
  font-size: var(--pk-text-sm);
  font-weight: 600;
  color: var(--pk-slate);
  margin-top: var(--pk-5);
  transition: color var(--pk-duration) var(--pk-ease);
}
.pk-back:hover { color: var(--pk-orange); }

/* =============================================================
   FORMS (LOGIN)
   ============================================================= */
.pk-form-card {
  background: var(--pk-surface);
  border: 1px solid var(--pk-line);
  border-radius: var(--pk-radius);
  padding: var(--pk-6);
  max-width: 440px;
  margin-top: var(--pk-4);
}
.pk-form-card h3 { font-family: var(--pk-font-display); font-size: var(--pk-text-xl); color: var(--pk-navy); margin-bottom: var(--pk-1); }
.pk-form-card > p { font-size: var(--pk-text-sm); color: var(--pk-ink-muted); margin-bottom: var(--pk-4); }
.pk-field { margin-bottom: var(--pk-3); }
.pk-field label { display: block; font-size: var(--pk-text-xs); font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--pk-ink-muted); margin-bottom: var(--pk-1); }
.pk-field input {
  width: 100%;
  padding: 12px 14px;
  font-family: inherit;
  font-size: var(--pk-text-base);
  color: var(--pk-ink);
  background: var(--pk-bg);
  border: 1px solid var(--pk-line);
  border-radius: var(--pk-radius-sm);
  transition: border-color var(--pk-duration) var(--pk-ease);
  outline: none;
}
.pk-field input:focus { border-color: var(--pk-slate); }
.pk-form-card .pk-btn { width: 100%; justify-content: center; }
.pk-form-meta { font-size: var(--pk-text-xs); color: var(--pk-ink-subtle); text-align: center; margin-top: var(--pk-3); }
.pk-form-meta a { color: var(--pk-slate); font-weight: 600; }

/* =============================================================
   COURSE GRID (SafetyNET / AI Tutor)
   ============================================================= */
.pk-course-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--pk-3); }
.pk-course {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--pk-line-dark);
  border-radius: var(--pk-radius);
  overflow: hidden;
  transition: border-color var(--pk-duration) var(--pk-ease),
              transform var(--pk-duration) var(--pk-ease);
}
.pk-course:hover { border-color: var(--pk-slate); transform: translateY(-2px); }
.pk-course__thumb {
  height: 96px;
  background: linear-gradient(135deg, var(--pk-navy-90) 0%, var(--pk-navy-80) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--pk-blue-soft);
}
.pk-course__thumb svg { width: 32px; height: 32px; opacity: 0.7; }
.pk-course__thumb--orange { background: linear-gradient(135deg, rgba(242, 144, 64, 0.18) 0%, rgba(242, 144, 64, 0.08) 100%); }
.pk-course__thumb--orange svg { color: var(--pk-orange); }
.pk-course__thumb--slate { background: linear-gradient(135deg, rgba(90, 138, 154, 0.22) 0%, rgba(90, 138, 154, 0.1) 100%); color: var(--pk-slate-light); }
.pk-course__body { padding: var(--pk-3); }
.pk-course__title { font-size: var(--pk-text-sm); font-weight: 600; color: var(--pk-ink-light); line-height: 1.35; margin-bottom: 4px; }
.pk-course__meta { font-size: var(--pk-text-xs); color: var(--pk-ink-light-subtle); }
.pk-course-more {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--pk-4);
  border: 1px dashed var(--pk-line-dark);
  border-radius: var(--pk-radius);
  font-size: var(--pk-text-sm);
  color: var(--pk-ink-light-muted);
}
.pk-course-more strong { color: var(--pk-ink-light); }

/* =============================================================
   PRINCIPLE BANNER (Adult Led)
   ============================================================= */
.pk-principle {
  background: var(--pk-navy-90);
  padding: var(--pk-5);
  border-top: 2px solid var(--pk-orange);
}
.pk-principle__inner {
  max-width: var(--pk-max-width);
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  gap: var(--pk-4);
}
.pk-principle__icon {
  width: 48px; height: 48px;
  flex-shrink: 0;
  border-radius: var(--pk-radius-sm);
  background: rgba(242, 144, 64, 0.12);
  color: var(--pk-orange);
  display: flex; align-items: center; justify-content: center;
}
.pk-principle__icon svg { width: 24px; height: 24px; }
.pk-principle h3 { font-family: var(--pk-font-display); font-size: var(--pk-text-xl); color: var(--pk-ink-light); margin-bottom: 4px; }
.pk-principle p { font-size: var(--pk-text-sm); color: var(--pk-ink-light-muted); line-height: 1.65; max-width: 72ch; }

/* =============================================================
   CTA BAND
   ============================================================= */
.pk-cta-band {
  background: var(--pk-orange);
  padding: var(--pk-7) var(--pk-5);
  color: white;
  text-align: center;
}
.pk-cta-band__inner { max-width: 640px; margin: 0 auto; }
.pk-cta-band h2 {
  font-family: var(--pk-font-display);
  font-size: clamp(28px, 3.5vw, var(--pk-text-3xl));
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--pk-3);
}
.pk-cta-band p { font-size: var(--pk-text-lg); margin-bottom: var(--pk-4); opacity: 0.92; }
.pk-cta-band .pk-btn--primary { background: white; color: var(--pk-orange); }
.pk-cta-band .pk-btn--primary:hover { background: var(--pk-bg); color: var(--pk-orange-deep); }

/* =============================================================
   AI TUTOR CALLOUT (on products hub)
   ============================================================= */
.pk-tutor-callout {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--pk-4);
  align-items: start;
}

/* =============================================================
   ANIMATIONS — restrained, intent-based
   ============================================================= */
.pk-fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms var(--pk-ease), transform 600ms var(--pk-ease);
}
.pk-fade-in.is-visible { opacity: 1; transform: translateY(0); }

/* =============================================================
   RESPONSIVE
   ============================================================= */
@media (max-width: 960px) {
  .pk-grid--2, .pk-grid--3, .pk-grid--4 { grid-template-columns: 1fr; }
  .pk-card--span-2, .pk-card--span-full { grid-column: 1; }
  .pk-course-grid { grid-template-columns: repeat(2, 1fr); }
  .pk-footer__inner { grid-template-columns: 1fr 1fr; gap: var(--pk-5); }
  .pk-nav__links { gap: var(--pk-3); }
  .pk-nav__link:not(.pk-nav__cta) { display: none; }
  .pk-tutor-callout { grid-template-columns: 1fr; }
  .pk-stats { flex-wrap: wrap; gap: var(--pk-4); }
}
@media (max-width: 640px) {
  :root { --pk-8: 64px; --pk-7: 48px; }
  .pk-nav { padding: 0 var(--pk-3); }
  .pk-section, .pk-cta-band { padding-left: var(--pk-3); padding-right: var(--pk-3); }
}

/* =============================================================
   ADDITIONS — two-family architecture
   ============================================================= */
.pk-section--tint { background: linear-gradient(180deg, #fff 0%, var(--pk-bg) 100%); }
.pk-band {
  display: flex; align-items: center; justify-content: space-between; gap: var(--pk-5);
  background: var(--pk-surface); border: 1px solid var(--pk-line);
  border-radius: var(--pk-radius-lg); padding: var(--pk-6);
  box-shadow: var(--pk-shadow);
}
.pk-band .pk-btn { flex-shrink: 0; }
@media (max-width: 720px){ .pk-band { flex-direction: column; align-items: flex-start; } }
.pk-feature {
  background: var(--pk-surface); border: 1px solid var(--pk-line);
  border-radius: var(--pk-radius); padding: var(--pk-5);
  border-top: 3px solid var(--pk-orange);
}
.pk-feature h3 { font-family: var(--pk-font-display); font-size: var(--pk-text-xl); margin-bottom: var(--pk-2); color: var(--pk-navy); }
.pk-feature p { color: var(--pk-ink-muted); font-size: var(--pk-text-base); }
.pk-prose { max-width: var(--pk-content-width); }
.pk-prose p { color: var(--pk-ink-muted); font-size: var(--pk-text-lg); margin-bottom: var(--pk-4); }
.pk-prose p:last-child { margin-bottom: 0; }
.pk-prose ul { list-style: disc; padding-left: 1.4em; margin: 0 0 var(--pk-4); }
.pk-prose li { color: var(--pk-ink-muted); font-size: var(--pk-text-lg); margin-bottom: var(--pk-2); }
.pk-prose li::marker { color: var(--pk-orange, #f29040); }
.pk-prose ul:last-child { margin-bottom: 0; }

.pk-table { width: 100%; border-collapse: collapse; background: var(--pk-surface); border-radius: var(--pk-radius); overflow: hidden; box-shadow: var(--pk-shadow); }
.pk-table th { background: var(--pk-navy); color: #fff; text-align: left; padding: var(--pk-3) var(--pk-4); font-size: var(--pk-text-sm); font-weight: 600; letter-spacing: 0.02em; }
.pk-table td { padding: var(--pk-3) var(--pk-4); border-bottom: 1px solid var(--pk-line); font-size: var(--pk-text-base); }
.pk-table td:first-child { font-weight: 600; color: var(--pk-navy); }
.pk-table td:last-child { color: var(--pk-orange-deep); font-weight: 600; }
.pk-table tbody tr:last-child td { border-bottom: none; }

/* Homepage hero — shorter so the two-family cards peek above the fold */
.pk-hero--home { padding: 128px 0 var(--pk-6); }
.pk-hero--home .pk-hero__title { margin-bottom: var(--pk-3); }
.pk-hero--home .pk-hero__lede { max-width: 52ch; }
.pk-hero--home .pk-hero__actions { margin-top: var(--pk-5); }

/* Tighten the gap: first section after the home hero hugs it more closely */
.pk-hero--home + .pk-section { padding-top: var(--pk-6); }

/* ===== Pricing calculator ===== */
.pk-calc { max-width: 720px; margin: 0 auto; background: var(--pk-surface); border: 1px solid var(--pk-line);
  border-radius: var(--pk-radius-lg); box-shadow: var(--pk-shadow-lg); padding: var(--pk-6); border-top: 4px solid var(--pk-orange); }
.pk-calc__head h2 { font-family: var(--pk-font-display); font-size: var(--pk-text-2xl); color: var(--pk-navy); margin-bottom: var(--pk-2); }
.pk-calc__head p { color: var(--pk-ink-muted); margin-bottom: var(--pk-5); }
.pk-calc__input { margin-bottom: var(--pk-4); }
.pk-calc__input label { display: block; font-weight: 600; font-size: var(--pk-text-sm); color: var(--pk-navy); margin-bottom: var(--pk-2); }
.pk-calc__input input { width: 100%; font-size: var(--pk-text-xl); font-family: var(--pk-font-display);
  padding: var(--pk-3) var(--pk-4); border: 2px solid var(--pk-line); border-radius: var(--pk-radius);
  color: var(--pk-navy); background: var(--pk-bg); transition: border-color .15s; }
.pk-calc__input input:focus { outline: none; border-color: var(--pk-orange); }
.pk-calc__result { border-top: 1px solid var(--pk-line); padding-top: var(--pk-5); }
.pk-calc__price { text-align: center; margin-bottom: var(--pk-4); }
.pk-calc__label { display: block; font-size: var(--pk-text-sm); font-weight: 600; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--pk-slate); margin-bottom: var(--pk-2); }
.pk-calc__big { display: block; font-family: var(--pk-font-display); font-size: 56px; font-weight: 700;
  color: var(--pk-orange-deep); line-height: 1; margin-bottom: var(--pk-2); }
.pk-calc__sub { display: block; font-size: var(--pk-text-lg); color: var(--pk-ink-muted); }
.pk-calc__band { text-align: center; font-size: var(--pk-text-sm); color: var(--pk-slate); margin-bottom: var(--pk-5); }
.pk-calc__cta { text-align: center; }
.pk-calc__note { font-size: var(--pk-text-sm); color: var(--pk-ink-muted); margin-top: var(--pk-3); }
.pk-calc__enterprise { text-align: center; border-top: 1px solid var(--pk-line); padding-top: var(--pk-5); }
.pk-calc__enterprise p { color: var(--pk-ink-muted); margin: var(--pk-2) 0 var(--pk-4); }

/* ===== Details / expandable grid ===== */
.pk-details { max-width: var(--pk-container-narrow, 960px); margin: 0 auto; background: var(--pk-surface);
  border: 1px solid var(--pk-line); border-radius: var(--pk-radius); overflow: hidden; }
.pk-details summary { cursor: pointer; padding: var(--pk-4) var(--pk-5); font-weight: 600; color: var(--pk-navy);
  font-size: var(--pk-text-base); list-style: none; display: flex; align-items: center; justify-content: space-between; }
.pk-details summary::-webkit-details-marker { display: none; }
.pk-details summary::after { content: "＋"; color: var(--pk-orange); font-size: var(--pk-text-xl); }
.pk-details[open] summary::after { content: "－"; }
.pk-table-wrap { overflow-x: auto; padding: 0 var(--pk-4) var(--pk-4); }
.pk-table--grid { font-size: var(--pk-text-sm); }
.pk-table--grid th, .pk-table--grid td { padding: var(--pk-2) var(--pk-3); text-align: center; }
.pk-table--grid th:first-child, .pk-table--grid td:first-child { text-align: left; }
.pk-table--grid td:last-child { color: inherit; }
.pk-grid-bundle { background: var(--pk-orange-tint, #FBEEE0); font-weight: 700; color: var(--pk-orange-deep) !important; }
.pk-details .pk-note { padding: 0 var(--pk-5) var(--pk-4); }

/* ===== Lead capture form (Phase 1 — Constant Contact mockup) ===== */
.pk-lead { max-width: 640px; margin: 0 auto; background: var(--pk-navy); border-radius: var(--pk-radius-lg);
  padding: var(--pk-6); color: var(--pk-ink-light); box-shadow: var(--pk-shadow-lg); }
.pk-lead__eyebrow { display:inline-block; font-size: var(--pk-text-sm); font-weight:700; letter-spacing:0.1em;
  text-transform:uppercase; color: var(--pk-orange); margin-bottom: var(--pk-2); }
.pk-lead h3 { font-family: var(--pk-font-display); font-size: var(--pk-text-2xl); color:#fff; margin-bottom: var(--pk-2); }
.pk-lead p { color: rgba(255,255,255,0.72); margin-bottom: var(--pk-4); }
.pk-lead__row { display:flex; gap: var(--pk-2); flex-wrap:wrap; }
.pk-lead__row input { flex:1; min-width: 220px; padding: var(--pk-3) var(--pk-4); border-radius: var(--pk-radius);
  border: 1px solid rgba(255,255,255,0.2); background: rgba(255,255,255,0.08); color:#fff; font-size: var(--pk-text-base); }
.pk-lead__row input::placeholder { color: rgba(255,255,255,0.5); }
.pk-lead__row input:focus { outline:none; border-color: var(--pk-orange); }
.pk-lead__row button { background: var(--pk-orange); color:#fff; border:none; border-radius: var(--pk-radius);
  padding: var(--pk-3) var(--pk-5); font-weight:700; font-size: var(--pk-text-base); cursor:pointer; font-family:inherit; }
.pk-lead__row button:hover { background: var(--pk-orange-deep); }
.pk-lead__note { font-size: var(--pk-text-xs); color: rgba(255,255,255,0.5); margin-top: var(--pk-3); margin-bottom:0; }
.pk-lead__success { display:none; text-align:center; padding: var(--pk-4) 0; }
.pk-lead__success.show { display:block; }
.pk-lead__success h3 { color: var(--pk-orange); }
.pk-lead.is-done .pk-lead__form { display:none; }
.pk-lead.is-done .pk-lead__success { display:block; }

/* Ligatures off on headings — safety, avoids any fi/fl fusing */
.pk-hero__title, .pk-section__title, .pk-card__title, .pk-feature h3,
.pk-calc__head h2, .pk-cta h2, h1, h2, h3 {
  font-variant-ligatures: none;
  font-feature-settings: "liga" 0, "clig" 0, "dlig" 0;
}

.pk-card__sub { color: var(--pk-orange-deep); font-size: var(--pk-text-sm); font-weight: 600; margin-bottom: var(--pk-2); line-height: 1.45; }

/* =============================================================
   NAV DROPDOWNS
   ============================================================= */
.pk-nav__item { position: relative; display: flex; align-items: center; }
.pk-nav__trigger { display: inline-flex; align-items: center; gap: 5px; cursor: pointer; }
.pk-nav__trigger svg { width: 13px; height: 13px; transition: transform var(--pk-duration) var(--pk-ease); opacity: 0.8; }
.pk-nav__item:hover .pk-nav__trigger svg,
.pk-nav__item:focus-within .pk-nav__trigger svg { transform: rotate(180deg); }
.pk-nav__menu {
  position: absolute;
  top: 100%; left: 0;
  min-width: 250px;
  background: #fff;
  border: 1px solid var(--pk-line);
  border-radius: var(--pk-radius);
  box-shadow: 0 14px 36px rgba(13, 27, 61, 0.20);
  padding: var(--pk-3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--pk-duration) var(--pk-ease), transform var(--pk-duration) var(--pk-ease);
  z-index: 200;
}
.pk-nav__menu--right { left: auto; right: 0; }
.pk-nav__item:hover .pk-nav__menu,
.pk-nav__item:focus-within .pk-nav__menu {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.pk-nav__menu-group {
  font-size: 10px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--pk-slate); padding: var(--pk-2) var(--pk-2) 4px;
}
.pk-nav__menu-link {
  display: block; padding: 9px var(--pk-2); border-radius: var(--pk-radius-sm);
  color: var(--pk-navy); font-size: var(--pk-text-sm); font-weight: 500; white-space: nowrap;
  transition: background var(--pk-duration) var(--pk-ease), color var(--pk-duration) var(--pk-ease);
}
.pk-nav__menu-link:hover { background: var(--pk-surface); color: var(--pk-orange-deep); }
.pk-nav__menu hr { border: none; border-top: 1px solid var(--pk-line); margin: var(--pk-2) 0; }


/* ============================================================= 
   MOBILE NAV (hamburger + accordion)
   ============================================================= */
.pk-nav__toggle { display: none; background: none; border: none; color: var(--pk-ink-light); cursor: pointer; padding: 8px; margin-right: -8px; }
.pk-nav__toggle svg { width: 26px; height: 26px; display: block; }
.pk-nav__toggle .pk-nav__x { display: none; }
@media (max-width: 900px) {
  .pk-nav { z-index: 300; }
  .pk-nav__toggle { display: inline-flex; align-items: center; }
  .pk-nav.is-open .pk-nav__toggle .pk-nav__bars { display: none; }
  .pk-nav.is-open .pk-nav__toggle .pk-nav__x { display: block; }
  .pk-nav__links {
    position: fixed; top: 72px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--pk-navy);
    padding: var(--pk-2) var(--pk-4) var(--pk-6);
    max-height: calc(100vh - 72px); overflow-y: auto;
    border-top: 1px solid rgba(255,255,255,0.10);
    box-shadow: 0 22px 44px rgba(0,0,0,0.42);
    opacity: 0; visibility: hidden; transform: translateY(-10px);
    transition: opacity .22s ease, transform .22s ease;
    z-index: 300;
  }
  .pk-nav.is-open .pk-nav__links { opacity: 1; visibility: visible; transform: translateY(0); }
  .pk-nav__links > li { width: 100%; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .pk-nav__links > li:last-child { border-bottom: none; }
  .pk-nav__item { display: block; }
  .pk-nav__item .pk-nav__trigger { display: flex; width: 100%; justify-content: space-between; align-items: center; padding: 16px 2px; font-size: var(--pk-text-base); }
  .pk-nav__links > li > .pk-nav__link { display: block; padding: 16px 2px; font-size: var(--pk-text-base); }
  .pk-nav__cta { display: block; text-align: center; margin-top: var(--pk-4); padding: 14px; }
  .pk-nav__menu {
    position: static; display: none; min-width: 0; width: auto;
    opacity: 1; visibility: visible; transform: none;
    background: transparent; border: none; box-shadow: none;
    padding: 0 0 12px 10px;
  }
  .pk-nav__menu--right { left: auto; right: auto; }
  .pk-nav__item.is-open .pk-nav__menu { display: block; }
  .pk-nav__item .pk-nav__trigger svg { transition: transform .2s ease; }
  .pk-nav__item.is-open .pk-nav__trigger svg { transform: rotate(180deg); }
  .pk-nav__menu-group { color: var(--pk-slate); padding: 10px 8px 4px; }
  .pk-nav__menu-link { color: var(--pk-ink-light-muted); padding: 11px 8px; }
  .pk-nav__menu-link:hover, .pk-nav__menu-link:active { background: rgba(255,255,255,0.06); color: #fff; }
  .pk-nav__menu hr { border-top-color: rgba(255,255,255,0.12); margin: 8px 0; }
}


/* ============================================================= 
   HOME SPLIT HERO (text + photo, grid kept)
   ============================================================= */
.pk-hero--split .pk-hero__row {
  position: relative; z-index: 1;
  max-width: var(--pk-max-width); margin: 0 auto; padding: 0 var(--pk-5);
  display: flex; align-items: center; gap: var(--pk-6);
}
.pk-hero--split .pk-hero__copy { flex: 1 1 53%; min-width: 0; }
.pk-hero--split .pk-hero__copy .pk-hero__lede { max-width: 42ch; }
.pk-hero__media { flex: 1 1 47%; min-width: 0; }
.pk-hero__media img {
  width: 100%; height: 430px; object-fit: cover; object-position: 50% 38%;
  border-radius: var(--pk-radius-lg); box-shadow: 0 24px 55px rgba(0,0,0,0.42);
  display: block;
}
@media (max-width: 860px) {
  .pk-hero--split .pk-hero__row { flex-direction: column; align-items: stretch; gap: var(--pk-5); }
  .pk-hero--split .pk-hero__copy { flex: none; }
  .pk-hero__media img { height: 260px; }
}