/* ============================================
   MY YOUNG LEARNERS — Design System
   Warmer, brighter palette — same typographic DNA as parent press
   ============================================ */

:root {
  /* Color palette — playful and bright
     Primary: leafy green (#3DA827, mid-green for readable typography;
     bright #4CB52C for accents — sampled from the logo) */
  --green: #2EB818;
  --green-deep: #1F8410;
  --green-bright: #23C907;
  --green-soft: #7BC862;
  --navy: #0B1556;
  --navy-soft: #1F2A75;
  --cream: #faf6ee;
  --cream-deep: #f0e7d5;
  --paper: #fffcf5;
  --sage: #7a8b6c;
  --sage-soft: #a4b59a;
  --ink: #1f1f1f;
  --ink-soft: #4e4e4e;
  --rule: #e0d5be;
  --sun: #f0c97a;
  --accent-red: #E73B2E;
  --accent-magenta: #C03BC4;

  /* Typography — shared with parent press */
  --font-display: 'Fraunces', 'Times New Roman', Georgia, serif;
  --font-body: 'Source Serif 4', 'Times New Roman', Georgia, serif;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4.5rem;
  --space-8: 6rem;
  --space-9: 9rem;

  /* Layout */
  --max-w: 1200px;
  --max-w-text: 720px;
  --max-w-narrow: 580px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  font-feature-settings: 'kern' 1, 'liga' 1;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--green); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; transition: color 0.15s; }
a:hover { color: var(--navy); }

button { font-family: inherit; cursor: pointer; }

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  color: var(--navy);
  letter-spacing: -0.01em;
  font-variation-settings: 'SOFT' 60, 'WONK' 1;
}

h1 { font-size: clamp(2.5rem, 5.5vw, 4.5rem); letter-spacing: -0.025em; font-variation-settings: 'SOFT' 80, 'WONK' 1; }
h2 { font-size: clamp(1.875rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.375rem, 2.2vw, 1.75rem); }
h4 { font-size: 1.1875rem; letter-spacing: 0.02em; text-transform: uppercase; color: var(--green); font-weight: 700; }

p { margin-bottom: var(--space-3); }
p:last-child { margin-bottom: 0; }

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: var(--space-4);
  display: inline-block;
}

.lead {
  font-size: clamp(1.125rem, 1.6vw, 1.375rem);
  line-height: 1.5;
  color: var(--ink-soft);
  font-weight: 300;
}

/* Containers */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--space-4); }
.container-text { max-width: var(--max-w-text); margin: 0 auto; padding: 0 var(--space-4); }
.container-narrow { max-width: var(--max-w-narrow); margin: 0 auto; padding: 0 var(--space-4); }

.section { padding: var(--space-8) 0; }
.section-sm { padding: var(--space-6) 0; }
.section-lg { padding: var(--space-9) 0; }

.section-cream { background: var(--cream); }
.section-warm { background: linear-gradient(180deg, var(--cream) 0%, var(--cream-deep) 100%); }
.section-navy { background: var(--navy); color: var(--cream); }
.section-navy h1, .section-navy h2, .section-navy h3 { color: var(--cream); }
.section-navy h4 { color: var(--sun); }
.section-navy a { color: var(--sun); }
.section-navy a:hover { color: var(--cream); }
.section-terracotta { background: var(--green); color: var(--cream); }
.section-terracotta h1, .section-terracotta h2, .section-terracotta h3, .section-terracotta h4 { color: var(--cream); }
.section-terracotta .eyebrow { color: var(--sun); }
.section-terracotta a { color: var(--sun); }

/* HEADER */
.site-header {
  border-bottom: 1px solid var(--rule);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: rgba(255, 252, 245, 0.95);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) 0;
  gap: var(--space-4);
}

.brand {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--navy);
  text-decoration: none;
  letter-spacing: -0.01em;
  line-height: 1.1;
  font-variation-settings: 'SOFT' 80, 'WONK' 1;
}
.brand small { display: block; font-size: 0.7rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--green); font-weight: 600; margin-top: 2px; font-family: var(--font-body); }

.nav-links { display: flex; gap: var(--space-4); list-style: none; align-items: center; }
.nav-links a { font-size: 0.875rem; text-decoration: none; color: var(--ink); font-weight: 500; }
.nav-links a:hover, .nav-links a.active { color: var(--green); }

.nav-toggle { display: none; background: none; border: none; padding: var(--space-2); color: var(--navy); }
.nav-toggle svg { width: 24px; height: 24px; }

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
    padding: var(--space-4);
    gap: var(--space-3);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: all 0.2s;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-links a { padding: var(--space-2) 0; border-bottom: 1px solid var(--rule); width: 100%; }
}

/* HERO */
.hero {
  padding: var(--space-9) 0 var(--space-8);
  background: linear-gradient(135deg, var(--cream) 0%, var(--paper) 60%, var(--cream-deep) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(200, 88, 28, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(122, 139, 108, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-7);
  align-items: center;
  position: relative;
}

.hero h1 { margin-bottom: var(--space-4); }
.hero-copy .lead { margin-bottom: var(--space-5); max-width: 32rem; }

.hero-visual {
  position: relative;
  aspect-ratio: 3/4;
  background: var(--cream-deep);
  border: 1px solid var(--rule);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 30px 60px -20px rgba(26, 41, 66, 0.25);
  transform: rotate(1deg);
}

.hero-visual img { width: 100%; height: 100%; object-fit: cover; }

@media (max-width: 800px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--space-5); }
  .hero-visual { max-width: 320px; margin: 0 auto; transform: none; }
  .hero { padding: var(--space-7) 0 var(--space-6); }
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.875rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  border: 1.5px solid var(--green);
  background: var(--green);
  color: var(--cream);
  transition: all 0.2s;
  cursor: pointer;
}

.btn:hover { background: var(--navy); border-color: var(--navy); color: var(--cream); }

.btn-outline { background: transparent; color: var(--green); }
.btn-outline:hover { background: var(--green); color: var(--cream); }

.btn-navy { background: var(--navy); border-color: var(--navy); }
.btn-navy:hover { background: var(--green); border-color: var(--green); color: var(--cream); }

.btn-group { display: flex; gap: var(--space-3); flex-wrap: wrap; }

.link-arrow { display: inline-flex; align-items: center; gap: 0.5rem; font-weight: 600; text-decoration: none; color: var(--green); border-bottom: 1px solid currentColor; padding-bottom: 2px; transition: all 0.15s; }
.link-arrow::after { content: '→'; transition: transform 0.2s; }
.link-arrow:hover { color: var(--navy); }
.link-arrow:hover::after { transform: translateX(4px); }

/* SERIES OVERVIEW GRID — Home */
.series-grid-7 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-4);
}

.mini-book {
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  transition: transform 0.2s;
}
.mini-book:hover { transform: translateY(-4px); }
.mini-book:hover .mini-book-cover { box-shadow: 0 16px 32px -8px rgba(26, 41, 66, 0.3); }

.mini-book-cover {
  aspect-ratio: 3/4;
  background: var(--cream-deep);
  border: 1px solid var(--rule);
  overflow: hidden;
  box-shadow: 0 8px 24px -8px rgba(26, 41, 66, 0.2);
  transition: box-shadow 0.25s;
}

.mini-book-title { font-family: var(--font-display); font-size: 0.95rem; font-weight: 600; color: var(--navy); line-height: 1.2; }
.mini-book-price { font-size: 0.85rem; color: var(--green); font-weight: 600; }

/* BOOK CARDS */
.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-6);
}

.book {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.book-cover {
  aspect-ratio: 3/4;
  background: var(--cream-deep);
  border: 1px solid var(--rule);
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 24px -8px rgba(26, 41, 66, 0.2);
  transition: transform 0.25s, box-shadow 0.25s;
}

.book:hover .book-cover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px -8px rgba(26, 41, 66, 0.3);
}

.book-cover img { width: 100%; height: 100%; object-fit: cover; }

.book-cover-placeholder {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--cream);
}
.book-cover-placeholder .ph-band {
  background: var(--navy);
  color: var(--cream);
  padding: var(--space-3);
  text-align: center;
  font-family: var(--font-body);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 700;
}
.book-cover-placeholder .ph-title {
  padding: var(--space-3);
  text-align: center;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.2;
}
.book-cover-placeholder .ph-art {
  flex: 1;
  background: linear-gradient(135deg, var(--cream-deep) 0%, var(--cream) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-soft);
  font-size: 0.75rem;
  font-style: italic;
  padding: var(--space-3);
  text-align: center;
}
.book-cover-placeholder .ph-foot {
  background: var(--green);
  color: var(--cream);
  padding: var(--space-2) var(--space-3);
  text-align: center;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.book-meta { font-size: 0.75rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--green); font-weight: 600; }

.book-title { font-family: var(--font-display); font-size: 1.375rem; font-weight: 600; color: var(--navy); line-height: 1.2; }
.book-subtitle { font-size: 0.95rem; font-style: italic; color: var(--ink-soft); }
.book-desc { font-size: 0.95rem; line-height: 1.55; color: var(--ink); }
.book-best { font-size: 0.875rem; color: var(--ink-soft); padding: var(--space-2) var(--space-3); background: var(--cream); border-left: 2px solid var(--green); }
.book-best strong { color: var(--navy); }
.book-price { font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; color: var(--navy); margin-top: auto; }

.book-buttons { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.book-buttons .btn { padding: 0.5rem 1rem; font-size: 0.8125rem; flex: 1; justify-content: center; min-width: 120px; }

/* TRUST STRIP */
.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.trust-item {
  padding: var(--space-4);
  background: var(--paper);
  border-top: 3px solid var(--green);
}

.trust-item h4 { margin-bottom: var(--space-2); }
.trust-item p { font-size: 0.95rem; color: var(--ink-soft); }

@media (max-width: 800px) { .trust-strip { grid-template-columns: 1fr; gap: var(--space-4); } }

/* PROSE */
.prose { max-width: var(--max-w-text); margin: 0 auto; }
.prose h2 { margin-top: var(--space-6); margin-bottom: var(--space-4); }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: var(--space-5); margin-bottom: var(--space-3); color: var(--navy); }
.prose p { margin-bottom: var(--space-3); }
.prose ul { margin: var(--space-3) 0 var(--space-4) var(--space-4); }
.prose ul li { margin-bottom: var(--space-2); padding-left: var(--space-2); }
.prose ul li::marker { color: var(--green); }
.prose strong { color: var(--navy); font-weight: 600; }
.prose .pull-quote {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  line-height: 1.4;
  color: var(--green-deep);
  border-left: 3px solid var(--green);
  padding: var(--space-3) 0 var(--space-3) var(--space-4);
  margin: var(--space-5) 0;
  font-style: italic;
  font-variation-settings: 'SOFT' 80;
}

/* COMING SOON */
.coming-soon-block {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-7);
  align-items: center;
}

.coming-soon-cover {
  aspect-ratio: 3/4;
  max-width: 380px;
  margin: 0 auto;
  box-shadow: 0 30px 60px -20px rgba(26, 41, 66, 0.4);
  border: 1px solid var(--rule);
}

.coming-soon-cover img { width: 100%; height: 100%; object-fit: cover; }

@media (max-width: 800px) { .coming-soon-block { grid-template-columns: 1fr; } }

/* BENEFITS / PILLARS */
.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-4);
  margin: var(--space-5) 0;
}

.pillar {
  padding: var(--space-5);
  background: var(--paper);
  border-top: 4px solid var(--green);
  position: relative;
}

.pillar-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--green-bright);
  line-height: 1;
  opacity: 0.6;
  margin-bottom: var(--space-2);
  font-variation-settings: 'SOFT' 80, 'WONK' 1;
}

.pillar h3 {
  color: var(--navy);
  font-size: 1.375rem;
  margin-bottom: var(--space-3);
}

.pillar p { font-size: 0.95rem; line-height: 1.55; }
.pillar ul { margin-top: var(--space-3); padding-left: var(--space-4); font-size: 0.9rem; }
.pillar ul li { margin-bottom: var(--space-2); }
.pillar ul li::marker { color: var(--green); }

/* FORMS */
.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-3);
}

.form-field label {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.form-field input,
.form-field select,
.form-field textarea {
  padding: 0.75rem var(--space-3);
  border: 1px solid var(--rule);
  background: var(--paper);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  transition: border-color 0.15s;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--green);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

/* FEATURE LIST */
.feature-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3) var(--space-5);
  padding: var(--space-5);
  background: var(--cream);
  border-left: 3px solid var(--green);
}

.feature-list li {
  position: relative;
  padding-left: var(--space-4);
  font-size: 0.95rem;
}

.feature-list li::before {
  content: '✦';
  position: absolute;
  left: 0;
  color: var(--green);
  font-size: 0.85rem;
  top: 0.25rem;
}

@media (max-width: 600px) { .feature-list { grid-template-columns: 1fr; } }

/* CALENDAR / USAGE TABLE */
.usage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-4);
  margin: var(--space-5) 0;
}

.usage-card {
  padding: var(--space-4);
  background: var(--paper);
  border-left: 3px solid var(--sage);
}

.usage-card h4 { color: var(--sage); }
.usage-card p { font-size: 0.95rem; margin-top: var(--space-2); }

/* FOOTER */
.site-footer {
  background: var(--navy);
  color: var(--cream);
  padding: var(--space-7) 0 var(--space-4);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.footer-grid h4 {
  color: var(--sun);
  font-size: 0.75rem;
  margin-bottom: var(--space-3);
}

.footer-brand .brand { color: var(--cream); font-size: 1.375rem; }
.footer-brand p { font-size: 0.875rem; color: rgba(250, 246, 238, 0.7); font-style: italic; margin-top: var(--space-2); }

.footer-grid ul { list-style: none; }
.footer-grid ul li { margin-bottom: var(--space-2); }
.footer-grid a { color: rgba(250, 246, 238, 0.85); text-decoration: none; font-size: 0.9375rem; }
.footer-grid a:hover { color: var(--sun); }

.footer-bottom {
  border-top: 1px solid rgba(250, 246, 238, 0.15);
  padding-top: var(--space-4);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: 0.8125rem;
  color: rgba(250, 246, 238, 0.6);
}

.disclaimer-link { color: rgba(250, 246, 238, 0.7); text-decoration: underline; }

@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-4); } }
@media (max-width: 500px) { .footer-grid { grid-template-columns: 1fr; } }

/* PAGE HEADERS */
.page-header {
  padding: var(--space-7) 0 var(--space-6);
  background: linear-gradient(180deg, var(--cream) 0%, var(--cream-deep) 100%);
  border-bottom: 1px solid var(--rule);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -5%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(240, 201, 122, 0.25) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.page-header h1 { max-width: var(--max-w-text); margin-bottom: var(--space-3); position: relative; }
.page-header .lead { max-width: var(--max-w-text); position: relative; }
.page-header .container { position: relative; }

/* UTILITIES */
.text-center { text-align: center; }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }

hr.rule { border: none; border-top: 1px solid var(--rule); margin: var(--space-6) 0; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-up { animation: fadeUp 0.6s ease-out backwards; }


/* ============================================
   LOGO STYLING (added for brand integration)
   ============================================ */
.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.brand-logo {
  height: 48px;
  width: auto;
  flex-shrink: 0;
  border-radius: 4px;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
@media (max-width: 600px) {
  .brand-logo { height: 36px; }
}

/* Homepage hero — logo as visual (transparent PNG sits on cream) */
.hero-logo-frame {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 30px 60px -20px rgba(11, 21, 86, 0.4);
  aspect-ratio: auto;
  background: transparent;
  padding: 0;
}
.hero-logo-frame img {
  width: 100%;
  height: auto;
  display: block;
}