/* ============================================
   SOUNDTREE PUBLISHING — Global Stylesheet
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;1,400&family=Inter:wght@400;500&display=swap');

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  color: #19499d;
  background: #ffffff;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: 'Inter', sans-serif; }

/* --- CSS Variables --- */
:root {
  --dark-blue: #19499d;
  --mid-blue: #2977a4;
  --mint: #9be2dc;
  --pale-mint: #e8f9f8;
  --pale-blue: #eaf3f9;
  --white: #ffffff;
  --text-muted: rgba(41, 119, 164, 0.7);
  --border: rgba(41, 119, 164, 0.15);
  --border-mid: rgba(41, 119, 164, 0.25);
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
}

/* --- Typography --- */
.serif { font-family: 'Playfair Display', serif; }
h1, h2, h3, h4 { font-family: 'Playfair Display', serif; font-weight: 400; color: var(--dark-blue); line-height: 1.25; }
h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.125rem; }
p { color: var(--mid-blue); }

/* --- Layout --- */
.container { max-width: 1100px; margin: 0 auto; padding: 0 2rem; }
.section { padding: 4rem 0; }
.section-sm { padding: 2.5rem 0; }

/* --- Navigation --- */
.nav {
  background: var(--dark-blue);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(155, 226, 220, 0.1);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.25rem;
  color: var(--white);
  font-weight: 400;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.8125rem;
  color: rgba(155, 226, 220, 0.8);
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--mint); }

.nav-cta {
  background: var(--mint);
  color: var(--dark-blue);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  transition: opacity 0.2s;
}

.nav-cta:hover { opacity: 0.88; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
}

.nav-hamburger span {
  width: 22px;
  height: 1.5px;
  background: var(--mint);
  display: block;
  transition: all 0.3s;
}

/* --- Buttons --- */
.btn-primary {
  display: inline-block;
  background: var(--mint);
  color: var(--dark-blue);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.625rem 1.375rem;
  border-radius: var(--radius-md);
  border: none;
  transition: opacity 0.2s, transform 0.15s;
}

.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }

.btn-ghost {
  display: inline-block;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.875rem;
  padding: 0.625rem 1.375rem;
  border-radius: var(--radius-md);
  transition: border-color 0.2s, color 0.2s;
}

.btn-ghost:hover { border-color: rgba(255,255,255,0.6); color: #fff; }

.btn-outline {
  display: inline-block;
  border: 1px solid var(--border-mid);
  color: var(--mid-blue);
  font-size: 0.875rem;
  padding: 0.625rem 1.375rem;
  border-radius: var(--radius-md);
  transition: background 0.2s;
}

.btn-outline:hover { background: var(--pale-blue); }

.btn-dark {
  display: inline-block;
  background: var(--dark-blue);
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.625rem 1.375rem;
  border-radius: var(--radius-md);
  border: none;
  width: 100%;
  text-align: center;
  transition: opacity 0.2s;
}

.btn-dark:hover { opacity: 0.88; }

.btn-wa {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--mint);
  color: var(--dark-blue);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.625rem 1.375rem;
  border-radius: var(--radius-md);
  border: none;
  transition: opacity 0.2s;
}

.btn-wa:hover { opacity: 0.88; }

/* --- Cards --- */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

.card-surface {
  background: var(--pale-blue);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

/* --- Tags & Badges --- */
.tag {
  display: inline-block;
  font-size: 0.6875rem;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--pale-mint);
  color: var(--mid-blue);
  border: 1px solid rgba(41, 119, 164, 0.2);
}

.badge-young {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--pale-mint);
  color: var(--mid-blue);
  border: 1px solid rgba(41, 119, 164, 0.2);
}

.badge-adult {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--dark-blue);
  color: var(--mint);
}

.badge-new {
  display: inline-block;
  font-size: 0.625rem;
  font-weight: 500;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--mint);
  color: var(--dark-blue);
  margin-left: 6px;
  vertical-align: middle;
}

.section-label {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--mid-blue);
  text-transform: uppercase;
  margin-bottom: 0.625rem;
  display: block;
}

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

/* --- Forms --- */
.form-group { margin-bottom: 1rem; }
.form-label { display: block; font-size: 0.75rem; color: var(--mid-blue); margin-bottom: 0.375rem; }

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-md);
  background: #f7fbfd;
  color: var(--dark-blue);
  font-size: 0.875rem;
  font-family: 'Inter', sans-serif;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--mid-blue);
  box-shadow: 0 0 0 3px rgba(41, 119, 164, 0.1);
}

.form-textarea { resize: vertical; min-height: 100px; }

/* --- Icon box --- */
.icon-box {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--mid-blue);
  font-size: 1rem;
}

/* --- Service items --- */
.svc-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.875rem 0;
  border-bottom: 1px solid rgba(41, 119, 164, 0.1);
}

.svc-item:last-child { border-bottom: none; }
.svc-item-check { color: var(--mid-blue); flex-shrink: 0; margin-top: 3px; }
.svc-item-title { font-size: 0.875rem; font-weight: 500; color: var(--dark-blue); margin-bottom: 2px; }
.svc-item-desc { font-size: 0.75rem; color: var(--mid-blue); margin: 0; }

/* --- Spectrum bar --- */
.spectrum-wrap { padding: 0.5rem 0 0; }
.spectrum-bar {
  height: 4px;
  background: rgba(41, 119, 164, 0.15);
  border-radius: 999px;
  margin: 1.5rem 0 0.5rem;
  position: relative;
}
.spectrum-fill {
  position: absolute; left: 0; top: 0;
  height: 4px; width: 100%;
  background: var(--mid-blue);
  border-radius: 999px;
}
.spectrum-dot {
  position: absolute; top: 50%;
  transform: translateY(-50%);
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--dark-blue);
  border: 2px solid var(--mint);
}
.spectrum-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.6875rem;
  color: var(--mid-blue);
}

/* --- Step list --- */
.step { display: flex; align-items: flex-start; gap: 0.875rem; margin-bottom: 1rem; }
.step-num {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--dark-blue);
  color: var(--mint);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 500;
  flex-shrink: 0; margin-top: 2px;
}
.step-title { font-size: 0.875rem; font-weight: 500; color: var(--dark-blue); margin-bottom: 2px; }
.step-desc { font-size: 0.75rem; color: var(--mid-blue); margin: 0; }

/* --- Footer --- */
.footer {
  background: var(--dark-blue);
  padding: 2rem;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.125rem;
  color: var(--white);
}

.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { font-size: 0.75rem; color: rgba(155, 226, 220, 0.7); transition: color 0.2s; }
.footer-links a:hover { color: var(--mint); }
.footer-copy { font-size: 0.6875rem; color: rgba(255,255,255,0.3); }

/* --- Pricing selector --- */
.pricing-selector { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-bottom: 1rem; }
.pricing-opt {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.pricing-opt:hover { border-color: rgba(41,119,164,0.4); }
.pricing-opt.selected { border: 2px solid var(--dark-blue); background: var(--pale-blue); }
.pricing-opt-title { font-size: 0.875rem; font-weight: 500; color: var(--dark-blue); margin: 0 0 3px; }
.pricing-opt-sub { font-size: 0.75rem; color: var(--mid-blue); margin: 0; line-height: 1.5; }
.pricing-form { display: none; background: rgba(255,255,255,0.08); border-radius: var(--radius-lg); padding: 1.25rem; margin-top: 1rem; }
.pricing-form.visible { display: block; }
.pricing-form .form-label { color: rgba(155,226,220,0.8); }
.pricing-form .form-input,
.pricing-form .form-select { background: rgba(255,255,255,0.1); border-color: rgba(155,226,220,0.2); color: var(--white); }
.pricing-form .form-input::placeholder { color: rgba(255,255,255,0.35); }
.pricing-hint { font-size: 0.6875rem; color: rgba(255,255,255,0.4); margin-top: 0.75rem; }

/* --- Selection cards (consultation form) --- */
.select-group { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.5rem; margin-bottom: 0.75rem; }
.select-opt {
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-md);
  padding: 0.75rem 0.5rem;
  text-align: center;
  cursor: pointer;
  background: #f7fbfd;
  transition: border-color 0.15s, background 0.15s;
}
.select-opt:hover { border-color: rgba(41,119,164,0.4); }
.select-opt.active { border: 2px solid var(--dark-blue); background: var(--pale-blue); }
.select-opt-label { font-size: 0.75rem; font-weight: 500; color: var(--dark-blue); display: block; margin: 4px 0 2px; }
.select-opt-sub { font-size: 0.6875rem; color: var(--mid-blue); display: block; line-height: 1.4; }

/* --- Blockquote --- */
blockquote {
  border-left: 3px solid var(--mint);
  padding-left: 1.25rem;
  margin: 0;
}

blockquote p { font-family: 'Playfair Display', serif; font-size: 1rem; color: var(--dark-blue); line-height: 1.6; }
blockquote cite { font-size: 0.75rem; color: var(--mid-blue); font-style: normal; margin-top: 6px; display: block; }

/* --- Grids --- */
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }

/* --- Book cover placeholder --- */
.book-cover {
  width: 60px; height: 85px;
  border-radius: 3px;
  background: var(--pale-mint);
  border: 1px solid rgba(41,119,164,0.2);
  flex-shrink: 0;
  object-fit: cover;
}

/* --- Founder circle --- */
.founder-circle {
  width: 88px; height: 88px;
  border-radius: 50%;
  background: var(--pale-blue);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.375rem; font-weight: 500;
  color: var(--mid-blue);
  flex-shrink: 0;
  overflow: hidden;
}

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

/* --- Who card icon --- */
.who-icon {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 0.75rem;
  font-size: 1.125rem;
  color: var(--mid-blue);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  h1 { font-size: 1.625rem; }
  h2 { font-size: 1.25rem; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--dark-blue); padding: 1rem 2rem 1.5rem; gap: 1rem; border-top: 1px solid rgba(155,226,220,0.1); }
  .nav-links.open { display: flex; }
  .nav-hamburger { display: flex; }
  .nav-cta { display: none; }
  .footer-inner { flex-direction: column; text-align: center; }
  .pricing-selector { grid-template-columns: 1fr; }
  .select-group { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
  .section { padding: 2.5rem 0; }
}