/* NeuroStep Pro — style_neurostep_v1.css */
:root {
  --cream: #faf7f2;
  --cream-dark: #f0ebe1;
  --cream-border: #e8e0d0;
  --navy: #1a2744;
  --navy-light: #2d3d6b;
  --accent: #4a7c8e;
  --accent-light: #6ba3b8;
  --accent-hover: #3a6070;
  --text: #2c2c2c;
  --text-muted: #6b6b6b;
  --text-light: #9a9a9a;
  --white: #ffffff;
  --red: #c0392b;
  --green: #27ae60;
  --warn-bg: #fff8e1;
  --warn-border: #f4c430;
  --radius: 10px;
  --radius-lg: 18px;
  --shadow: 0 2px 20px rgba(0,0,0,0.07);
  --shadow-md: 0 4px 30px rgba(0,0,0,0.10);
  --font: 'Inter', 'Segoe UI', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--cream);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
}

/* ===== ADV BAR ===== */
.adv-bar {
  background: var(--navy);
  color: #b0bcd4;
  text-align: center;
  font-size: 11px;
  padding: 7px 16px;
  letter-spacing: 0.04em;
}
.adv-bar a { color: #b0bcd4; text-decoration: none; }
.adv-label {
  display: inline-block;
  background: var(--accent);
  color: var(--white);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: 3px;
  margin-right: 8px;
  text-transform: uppercase;
}

/* ===== NAV ===== */
nav {
  background: var(--white);
  border-bottom: 1px solid var(--cream-border);
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 8px rgba(0,0,0,0.06);
}
.nav-brand {
  font-size: 20px;
  font-weight: 800;
  color: var(--navy);
  text-decoration: none;
  letter-spacing: -0.02em;
  flex-shrink: 0;
  white-space: nowrap;
}
.nav-brand span { color: var(--accent); }

/* ===== TYPOGRAPHY ===== */
h1 { font-size: clamp(1.6rem, 4vw, 2.6rem); font-weight: 800; line-height: 1.2; color: var(--navy); }
h2 { font-size: clamp(1.3rem, 3vw, 2rem); font-weight: 700; color: var(--navy); margin-bottom: 16px; }
h3 { font-size: 1.15rem; font-weight: 700; color: var(--navy); margin-bottom: 10px; }
p { margin-bottom: 16px; color: var(--text); }

/* ===== LAYOUT ===== */
.container { max-width: 820px; margin: 0 auto; padding: 0 20px; }
.container-wide { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
section { padding: 56px 0; }
.section-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

/* ===== HERO ===== */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  padding: 64px 20px;
  text-align: center;
}
.hero h1 { color: var(--white); margin-bottom: 16px; }
.hero .subtitle { color: #b0c4d8; font-size: 1.1rem; margin-bottom: 28px; }
.hero-meta { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; margin-bottom: 32px; }
.hero-meta-item { color: #8fa8bf; font-size: 13px; }
.hero-meta-item strong { color: #cdd8e6; }

/* ===== DOCTOR BOX ===== */
.doctor-box {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  margin: 32px 0;
  border: 1px solid var(--cream-border);
  box-shadow: var(--shadow);
}
.doctor-box img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 3px solid var(--cream-border);
}
.doctor-name { font-weight: 700; color: var(--navy); font-size: 1rem; }
.doctor-title { font-size: 13px; color: var(--text-muted); margin-top: 2px; }

/* ===== ARTICLE ===== */
.article-img {
  width: 100%;
  border-radius: var(--radius);
  margin: 24px 0;
  display: block;
}
blockquote {
  border-left: 4px solid var(--accent);
  background: var(--cream-dark);
  padding: 16px 20px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 24px 0;
  font-style: italic;
  color: var(--navy-light);
}
blockquote cite { display: block; font-size: 13px; margin-top: 8px; font-style: normal; color: var(--text-muted); }

/* ===== STATS STRIP ===== */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 32px 0;
}
.stat-card {
  background: var(--white);
  border: 1px solid var(--cream-border);
  border-radius: var(--radius);
  padding: 20px 16px;
  text-align: center;
}
.stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  display: block;
}
.stat-desc { font-size: 12px; color: var(--text-muted); margin-top: 6px; }

/* ===== SYMPTOM LIST ===== */
.symptom-list {
  list-style: none;
  background: var(--white);
  border: 1px solid var(--cream-border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 20px 0;
}
.symptom-list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--cream-border);
  padding-left: 24px;
  position: relative;
  color: var(--text);
}
.symptom-list li:last-child { border-bottom: none; }
.symptom-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
  font-size: 1.2em;
}

/* ===== VIDEO CTA BOX ===== */
.video-cta-box {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  margin: 36px 0;
  color: var(--white);
}
.video-cta-box h3 { color: var(--white); font-size: 1.25rem; margin-bottom: 8px; }
.video-cta-box p { color: #b0c4d8; margin-bottom: 20px; }

/* ===== PRODUCT SECTION ===== */
.product-section {
  background: var(--white);
  border-top: 1px solid var(--cream-border);
  border-bottom: 1px solid var(--cream-border);
}
.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.product-gallery { display: flex; flex-direction: column; gap: 12px; }
.product-main-img {
  width: 100%;
  border-radius: var(--radius-lg);
  display: block;
  border: 1px solid var(--cream-border);
  background: #f5f5f5;
}
.product-thumbs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.product-thumb {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--cream-border);
  cursor: pointer;
  transition: border-color 0.2s;
}
.product-thumb:hover { border-color: var(--accent); }
.product-badge {
  display: inline-block;
  background: var(--accent);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
}
.product-name { font-size: 2rem; font-weight: 800; color: var(--navy); line-height: 1.1; margin-bottom: 8px; }
.product-sub { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 20px; }
.feature-list { list-style: none; margin: 16px 0 24px; }
.feature-list li {
  padding: 7px 0;
  padding-left: 28px;
  position: relative;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--cream-border);
}
.feature-list li:last-child { border-bottom: none; }
.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 700;
}

/* PRICE */
.price-box { background: var(--cream); border: 1px solid var(--cream-border); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 20px; }
.price-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; }
.price-main { font-size: 2.4rem; font-weight: 800; color: var(--navy); line-height: 1; }
.price-note { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* ===== BUTTONS ===== */
.btn-primary {
  display: block;
  width: 100%;
  background: var(--accent);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  padding: 16px 24px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: background 0.2s, transform 0.1s;
  letter-spacing: 0.02em;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
  border-radius: var(--radius);
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: all 0.2s;
}
.btn-secondary:hover { background: var(--accent); color: var(--white); }
.btn-white {
  display: inline-block;
  background: var(--white);
  color: var(--navy);
  border: none;
  border-radius: var(--radius);
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s;
}
.btn-white:hover { transform: translateY(-1px); }
.trust-strip { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 12px; }
.trust-item { font-size: 12px; color: var(--text-muted); display: flex; align-items: center; gap: 5px; }
.trust-item::before { content: '✓'; color: var(--green); font-weight: 700; }

/* ===== STEPPER FORM ===== */
#order { scroll-margin-top: 70px; }
.form-section { background: var(--cream-dark); border-top: 1px solid var(--cream-border); }
.form-wrapper {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  max-width: 560px;
  margin: 0 auto;
}
.form-header {
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  padding: 24px 28px;
  text-align: center;
}
.form-header h3 { color: var(--white); font-size: 1.2rem; margin-bottom: 4px; }
.form-header p { color: #b0c4d8; font-size: 0.9rem; margin: 0; }
.stepper-track {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  padding: 20px 28px 0;
  background: var(--white);
}
.step-dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--cream-border);
  background: var(--white);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  transition: all 0.3s;
  flex-shrink: 0;
}
.step-dot.active { border-color: var(--accent); background: var(--accent); color: var(--white); }
.step-dot.done { border-color: var(--green); background: var(--green); color: var(--white); }
.step-line { flex: 1; height: 2px; background: var(--cream-border); max-width: 80px; }
.step-line.done { background: var(--green); }
.step-labels {
  display: flex;
  justify-content: space-between;
  padding: 6px 28px 20px;
  background: var(--white);
}
.step-label { font-size: 11px; color: var(--text-muted); text-align: center; flex: 1; }
.step-label.active { color: var(--accent); font-weight: 600; }
.form-body { padding: 24px 28px 28px; }
.form-step { display: none; }
.form-step.active { display: block; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--navy); margin-bottom: 6px; }
.form-group input, .form-group select {
  width: 100%;
  border: 1.5px solid var(--cream-border);
  border-radius: 8px;
  padding: 11px 14px;
  font-size: 15px;
  color: var(--text);
  background: var(--cream);
  outline: none;
  transition: border-color 0.2s;
  font-family: var(--font);
}
.form-group input:focus, .form-group select:focus { border-color: var(--accent); background: var(--white); }
.form-group input.error { border-color: var(--red); }
.field-error { font-size: 12px; color: var(--red); margin-top: 4px; display: none; }
.field-error.visible { display: block; }
.checkbox-group { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 16px; }
.checkbox-group input[type="checkbox"] { width: 18px; height: 18px; margin-top: 2px; flex-shrink: 0; accent-color: var(--accent); }
.checkbox-group label { font-size: 13px; color: var(--text-muted); line-height: 1.5; }
.checkbox-group label a { color: var(--accent); }
.step-nav { display: flex; gap: 12px; margin-top: 4px; }
.btn-next, .btn-prev, .btn-submit {
  flex: 1;
  padding: 14px;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}
.btn-next, .btn-submit { background: var(--accent); color: var(--white); }
.btn-next:hover, .btn-submit:hover { background: var(--accent-hover); }
.btn-prev { background: var(--cream-dark); color: var(--text-muted); }
.btn-prev:hover { background: var(--cream-border); }
.confirm-box {
  background: var(--cream);
  border: 1px solid var(--cream-border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 20px;
}
.confirm-row { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px solid var(--cream-border); font-size: 14px; }
.confirm-row:last-child { border-bottom: none; font-weight: 700; color: var(--navy); }
.form-success {
  display: none;
  text-align: center;
  padding: 40px 28px;
}
.form-success .success-icon { font-size: 3rem; margin-bottom: 16px; }
.form-success h3 { color: var(--navy); margin-bottom: 8px; }
.form-success p { color: var(--text-muted); }

/* ===== FAQ ===== */
.faq-section { background: var(--white); }
.faq-item {
  border-bottom: 1px solid var(--cream-border);
}
.faq-q {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 20px 40px 20px 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
  cursor: pointer;
  position: relative;
  font-family: var(--font);
}
.faq-q::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  color: var(--accent);
  transition: transform 0.25s;
}
.faq-q.open::after { transform: translateY(-50%) rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-a-inner { padding: 0 0 18px; color: var(--text-muted); font-size: 0.95rem; }

/* ===== FOOTER ===== */
footer {
  background: var(--navy);
  color: #7a8fac;
  padding: 40px 20px 24px;
  font-size: 13px;
}
.footer-inner { max-width: 820px; margin: 0 auto; }
.footer-brand { color: var(--white); font-weight: 800; font-size: 1.1rem; margin-bottom: 8px; }
.footer-brand span { color: var(--accent-light); }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 20px; margin: 16px 0 12px; }
.footer-links a { color: #7a8fac; text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--accent-light); }
.footer-disclaimer { font-size: 11px; color: #55677d; line-height: 1.6; margin-top: 16px; border-top: 1px solid #243352; padding-top: 16px; }

/* ===== LEGAL PAGES ===== */
.legal-body { max-width: 700px; margin: 0 auto; padding: 40px 20px 60px; }
.legal-body h1 { font-size: 1.8rem; margin-bottom: 8px; }
.legal-body h2 { font-size: 1.2rem; margin: 28px 0 10px; }
.legal-body p, .legal-body li { color: var(--text-muted); margin-bottom: 12px; }
.legal-body ul { padding-left: 20px; }
.legal-date { font-size: 13px; color: var(--text-light); margin-bottom: 28px; }

/* ===== VIDEO PAGE (lpv5) ===== */
.video-hero {
  background: linear-gradient(160deg, var(--navy) 0%, #0d1b35 100%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.video-section { padding: 36px 20px; flex: 1; }
.video-embed-wrap {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #000;
  margin-bottom: 28px;
}
.video-embed-wrap iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
.video-title { color: var(--white); font-size: clamp(1.3rem, 3.5vw, 2rem); font-weight: 800; margin-bottom: 12px; text-align: center; }
.video-sub { color: #8fa8bf; text-align: center; margin-bottom: 28px; }
.video-product-strip {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}
.video-product-strip .product-name { color: var(--white); font-size: 1.5rem; }
.video-product-strip .price-main { color: var(--accent-light); }

/* ===== RESPONSIVE ===== */
@media (max-width: 700px) {
  .product-grid { grid-template-columns: 1fr; }
  .stats-strip { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .doctor-box { flex-direction: column; }
  .doctor-box img { width: 64px; height: 64px; }
}
@media (max-width: 480px) {
  .stats-strip { grid-template-columns: 1fr; }
  h1 { font-size: 1.5rem; }
}