/* ============================================================
   ASTROTCG — Stylesheet
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=JetBrains+Mono:wght@400;600&display=swap');

/* ---- Reset ---- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
img { display: block; max-width: 100%; }
a { text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
ul { list-style: none; }

/* ---- CSS Variables (Dark default) ---- */
:root {
  --bg:          #070714;
  --bg2:         #0b0b1e;
  --surface:     #101025;
  --surface2:    #161630;
  --surface3:    #1c1c3a;

  --border:      rgba(120,130,255,0.12);
  --border2:     rgba(120,130,255,0.25);
  --border3:     rgba(120,130,255,0.4);

  --cyan:        #22d3ee;
  --cyan-dim:    #0891b2;
  --indigo:      #818cf8;
  --purple:      #a78bfa;
  --green:       #10b981;
  --yellow:      #fbbf24;

  --cyan-glow:   rgba(34,211,238,0.10);
  --cyan-glow2:  rgba(34,211,238,0.20);
  --indigo-glow: rgba(129,140,248,0.10);

  --text:        #e2e8f0;
  --text2:       #94a3b8;
  --text3:       #5a6a85;

  --warn-bg:     rgba(251,191,36,0.08);
  --warn-border: rgba(251,191,36,0.25);
  --warn-text:   #fcd34d;
  --tip-bg:      rgba(34,211,238,0.06);
  --tip-border:  rgba(34,211,238,0.22);
  --tip-text:    #67e8f9;
  --note-bg:     rgba(129,140,248,0.07);
  --note-border: rgba(129,140,248,0.22);
  --note-text:   #a5b4fc;

  --gradient:    linear-gradient(135deg, #22d3ee 0%, #818cf8 100%);
  --gradient2:   linear-gradient(135deg, #818cf8 0%, #a78bfa 100%);
  --hero-glow:   radial-gradient(ellipse 80% 50% at 50% 0%, rgba(34,211,238,0.12) 0%, transparent 70%);

  --shadow:      0 4px 24px rgba(0,0,0,0.5);
  --shadow-lg:   0 8px 40px rgba(0,0,0,0.6);
  --shadow-cyan: 0 0 40px rgba(34,211,238,0.12);
  --shadow-card: 0 2px 16px rgba(0,0,0,0.3);

  --r:    12px;
  --r-sm:  8px;
  --r-lg: 16px;
  --tr:   0.2s ease;
}

/* ---- Light Theme ---- */
[data-theme="light"] {
  --bg:          #f0f4ff;
  --bg2:         #e8eeff;
  --surface:     #ffffff;
  --surface2:    #f5f7ff;
  --surface3:    #eef0ff;

  --border:      rgba(99,102,241,0.12);
  --border2:     rgba(99,102,241,0.22);
  --border3:     rgba(99,102,241,0.38);

  --cyan-glow:   rgba(34,211,238,0.06);
  --cyan-glow2:  rgba(34,211,238,0.12);
  --indigo-glow: rgba(99,102,241,0.06);

  --text:        #0f172a;
  --text2:       #475569;
  --text3:       #94a3b8;

  --warn-bg:     rgba(251,191,36,0.07);
  --warn-border: rgba(245,158,11,0.22);
  --tip-bg:      rgba(34,211,238,0.04);
  --tip-border:  rgba(34,211,238,0.18);
  --note-bg:     rgba(99,102,241,0.05);
  --note-border: rgba(99,102,241,0.18);

  --hero-glow:   radial-gradient(ellipse 80% 50% at 50% 0%, rgba(34,211,238,0.07) 0%, transparent 70%);
  --shadow:      0 4px 24px rgba(99,102,241,0.1);
  --shadow-lg:   0 8px 40px rgba(99,102,241,0.15);
  --shadow-cyan: 0 0 40px rgba(34,211,238,0.08);
  --shadow-card: 0 2px 16px rgba(99,102,241,0.08);
}

/* ---- Base ---- */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.65;
  transition: background var(--tr), color var(--tr);
  font-size: 16px;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: 64px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 2rem;
  background: rgba(7,7,20,0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  transition: background var(--tr), border-color var(--tr);
}
[data-theme="light"] .nav {
  background: rgba(240,244,255,0.88);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}
.nav-logo-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: 6px;
}
.nav-logo-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.nav-logo-name {
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.nav-logo-tag {
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--text3);
  text-transform: uppercase;
  font-family: 'JetBrains Mono', monospace;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.125rem;
}
.nav-links a {
  color: var(--text2);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.45rem 0.9rem;
  border-radius: var(--r-sm);
  transition: color var(--tr), background var(--tr);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--cyan);
  background: var(--cyan-glow);
}

.nav-right { display: flex; align-items: center; gap: 0.75rem; justify-self: end; }

.theme-toggle {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--r-sm);
  padding: 0.4rem 0.65rem;
  color: var(--text2);
  font-size: 1.05rem;
  transition: all var(--tr);
  line-height: 1;
}
.theme-toggle:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--cyan-glow);
}

/* Mobile hamburger */
.nav-hamburger {
  display: none;
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--r-sm);
  padding: 0.4rem 0.5rem;
  color: var(--text2);
  font-size: 1.2rem;
  transition: all var(--tr);
}
.nav-hamburger:hover { border-color: var(--cyan); color: var(--cyan); }

/* Mobile nav overlay */
.nav-mobile {
  display: none;
  position: fixed;
  top: 64px; left: 0; right: 0;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 1rem;
  z-index: 199;
  flex-direction: column;
  gap: 0.25rem;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  color: var(--text2);
  font-weight: 500;
  padding: 0.65rem 1rem;
  border-radius: var(--r-sm);
  transition: all var(--tr);
}
.nav-mobile a:hover, .nav-mobile a.active {
  color: var(--cyan);
  background: var(--cyan-glow);
}

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
main { padding-top: 64px; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.container-sm {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section { padding: 5rem 0; }

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}
.section-header h2 { font-size: 2rem; font-weight: 800; margin-bottom: 0.75rem; }
.section-header p { color: var(--text2); font-size: 1.05rem; max-width: 540px; margin: 0 auto; }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.gradient-text2 {
  background: var(--gradient2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 900; line-height: 1.1; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; line-height: 1.2; }
h3 { font-size: 1.15rem; font-weight: 700; }
h4 { font-size: 1rem; font-weight: 700; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.6rem;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  transition: all var(--tr);
  cursor: pointer;
  line-height: 1;
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 0 24px rgba(34,211,238,0.22);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 36px rgba(34,211,238,0.38);
}
.btn-outline {
  background: transparent;
  color: var(--cyan);
  border: 1px solid var(--border3);
}
.btn-outline:hover {
  background: var(--cyan-glow);
  border-color: var(--cyan);
  transform: translateY(-2px);
}
.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border2);
}
.btn-ghost:hover {
  border-color: var(--border3);
  transform: translateY(-1px);
}
.btn-danger {
  background: rgba(239,68,68,0.12);
  color: #f87171;
  border: 1px solid rgba(239,68,68,0.2);
}
.btn-danger:hover { background: rgba(239,68,68,0.2); }
.btn-sm { padding: 0.45rem 1rem; font-size: 0.8rem; }
.btn-lg { padding: 0.9rem 2rem; font-size: 1rem; }

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.5rem;
  transition: all var(--tr);
}
.card:hover {
  border-color: var(--border2);
  box-shadow: var(--shadow-cyan);
  transform: translateY(-2px);
}
.card-glow {
  box-shadow: var(--shadow-cyan);
  border-color: var(--border2);
}

/* ============================================================
   BADGES
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.65rem;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-family: 'JetBrains Mono', monospace;
}
.badge-cyan   { background: var(--cyan-glow2); color: var(--cyan); border: 1px solid rgba(34,211,238,0.25); }
.badge-indigo { background: var(--indigo-glow); color: var(--indigo); border: 1px solid rgba(129,140,248,0.25); }
.badge-yellow { background: rgba(251,191,36,0.1); color: var(--yellow); border: 1px solid rgba(251,191,36,0.22); }
.badge-purple { background: rgba(167,139,250,0.1); color: var(--purple); border: 1px solid rgba(167,139,250,0.22); }
.badge-green  { background: rgba(16,185,129,0.1); color: var(--green); border: 1px solid rgba(16,185,129,0.22); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  padding: 7rem 0 6rem;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--hero-glow);
  pointer-events: none;
}
/* Starfield dots */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 20% 30%, rgba(34,211,238,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 70% 20%, rgba(129,140,248,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 85% 55%, rgba(34,211,238,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 15% 70%, rgba(167,139,250,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 55% 80%, rgba(34,211,238,0.25) 0%, transparent 100%),
    radial-gradient(1px 1px at 40% 15%, rgba(129,140,248,0.3) 0%, transparent 100%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
}
.hero-content h1 { margin-bottom: 1.25rem; }
.hero-content p {
  color: var(--text2);
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0 auto 2rem;
}
.hero-btns {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-badge { margin-bottom: 1.5rem; }

/* ============================================================
   FEATURES
   ============================================================ */
.features { background: var(--bg2); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.feature-card { text-align: center; }
.feature-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  display: block;
  filter: drop-shadow(0 0 12px rgba(34,211,238,0.4));
}
.feature-card h3 { margin-bottom: 0.5rem; }
.feature-card p { color: var(--text2); font-size: 0.9rem; }

/* ============================================================
   STATS
   ============================================================ */
.stats {
  background: var(--bg);
  padding: 4rem 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}
.stat-num {
  font-size: 2.5rem;
  font-weight: 900;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.4rem;
}
.stat-label { color: var(--text2); font-size: 0.875rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em; }

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials { background: var(--bg2); }
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.testimonial-card { display: flex; flex-direction: column; gap: 1rem; }
.testimonial-stars { color: var(--yellow); font-size: 0.9rem; letter-spacing: 0.1em; }
.testimonial-card p { color: var(--text2); font-size: 0.9rem; font-style: italic; flex: 1; }
.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}
.author-name { font-weight: 700; font-size: 0.875rem; }

/* ============================================================
   FOOTER CTA
   ============================================================ */
.footer-cta { background: var(--bg); }
.footer-cta-inner {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--r-lg);
  padding: 3.5rem;
  text-align: center;
  box-shadow: var(--shadow-cyan);
  position: relative;
  overflow: hidden;
}
.footer-cta-inner::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse 60% 60% at 50% 0%, rgba(34,211,238,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.footer-cta-inner h2 { margin-bottom: 0.75rem; font-size: 2rem; }
.footer-cta-inner p { color: var(--text2); margin-bottom: 2rem; max-width: 460px; margin-left: auto; margin-right: auto; }

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1.5rem;
}
.footer-inner > *:last-child { justify-self: end; }
.footer-brand-name {
  font-size: 1.05rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.footer-brand-tag {
  font-size: 0.65rem;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text3);
  letter-spacing: 0.12em;
  margin-top: 2px;
}
.footer-links {
  display: flex;
  gap: 1.5rem;
}
.footer-links a { color: var(--text2); font-size: 0.85rem; transition: color var(--tr); }
.footer-links a:hover { color: var(--cyan); }
.footer-copy { color: var(--text3); font-size: 0.78rem; }

/* ============================================================
   PRICING PAGE
   ============================================================ */
.pricing-hero { padding: 4rem 0 3rem; text-align: center; }
.pricing-hero h1 { font-size: clamp(2rem, 4vw, 2.8rem); margin-bottom: 0.75rem; }
.pricing-hero p { color: var(--text2); }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: start;
}
.pricing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transition: all var(--tr);
  position: relative;
}
.pricing-card:hover { border-color: var(--border2); box-shadow: var(--shadow-cyan); transform: translateY(-3px); }
.pricing-card.featured {
  border-color: rgba(34,211,238,0.3);
  box-shadow: var(--shadow-cyan), 0 0 0 1px rgba(34,211,238,0.08);
  background: var(--surface2);
}
.pricing-card.vip-card {
  border-color: rgba(167,139,250,0.3);
  box-shadow: 0 0 40px rgba(167,139,250,0.1);
  background: var(--surface2);
}

.pricing-popular {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.9rem;
  border-radius: 100px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}
.pricing-vip-label {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient2);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.9rem;
  border-radius: 100px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.pricing-header h3 { font-size: 1.2rem; margin-bottom: 0.3rem; }
.pricing-header p { color: var(--text2); font-size: 0.85rem; }
.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 0.2rem;
}
.pricing-price .amount { font-size: 2.8rem; font-weight: 900; line-height: 1; }
.pricing-price .period { color: var(--text2); font-size: 0.85rem; }
.pricing-price .free-text { font-size: 2rem; font-weight: 900; color: var(--green); }

.pricing-features { display: flex; flex-direction: column; gap: 0.7rem; }
.pricing-feature {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.875rem;
  color: var(--text2);
}
.pricing-feature .check { color: var(--green); font-size: 0.85rem; flex-shrink: 0; margin-top: 0.1rem; }
.pricing-feature.muted { color: var(--text3); }
.pricing-feature.muted .check { color: var(--text3); }

.pricing-cta { margin-top: auto; }

.pricing-enterprise {
  margin-top: 3rem;
  text-align: center;
  padding: 2.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
}
.pricing-enterprise h3 { margin-bottom: 0.5rem; }
.pricing-enterprise p { color: var(--text2); margin-bottom: 1.25rem; }

.pricing-note {
  text-align: center;
  margin-top: 2rem;
  color: var(--text3);
  font-size: 0.8rem;
}

/* ============================================================
   GUIDE PAGE
   ============================================================ */
.guide-hero {
  padding: 4rem 0 2rem;
  text-align: center;
}
.guide-hero h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 0.75rem; }
.guide-hero p { color: var(--text2); max-width: 520px; margin: 0 auto; }

.guide-body { padding: 2rem 0 5rem; }

.chapter {
  margin-bottom: 3.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.chapter-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 2rem;
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  user-select: none;
  transition: background var(--tr);
}
.chapter-header:hover { background: var(--surface3); }
.chapter-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--cyan);
  background: var(--cyan-glow);
  border: 1px solid rgba(34,211,238,0.2);
  border-radius: var(--r-sm);
  padding: 0.25rem 0.6rem;
  white-space: nowrap;
}
.chapter-title { font-size: 1.05rem; font-weight: 700; flex: 1; }
.chapter-toggle { color: var(--text3); font-size: 0.8rem; transition: transform 0.25s; }
.chapter-toggle.open { transform: rotate(180deg); }

.chapter-body { padding: 2rem; display: flex; flex-direction: column; gap: 1.75rem; }

.step {
  display: flex;
  gap: 1.25rem;
}
.step-num {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
  color: white;
  margin-top: 0.1rem;
}
.step-content { flex: 1; }
.step-content h4 { margin-bottom: 0.4rem; font-size: 0.95rem; }
.step-content p { color: var(--text2); font-size: 0.9rem; line-height: 1.7; }
.step-content p + p { margin-top: 0.5rem; }
.step-content ul { margin-top: 0.5rem; display: flex; flex-direction: column; gap: 0.3rem; }
.step-content ul li { color: var(--text2); font-size: 0.9rem; padding-left: 1rem; position: relative; }
.step-content ul li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--cyan);
}

.channel-list { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 0.5rem; }
.channel-item {
  display: flex;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
}
.channel-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--cyan);
  min-width: 160px;
  flex-shrink: 0;
}
.channel-desc { color: var(--text2); font-size: 0.85rem; }

.warn-box {
  display: flex;
  gap: 0.75rem;
  padding: 0.9rem 1.1rem;
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  border-radius: var(--r-sm);
  margin-top: 0.75rem;
}
.warn-box-icon { font-size: 1rem; flex-shrink: 0; margin-top: 0.05rem; }
.warn-box p { color: var(--warn-text); font-size: 0.85rem; line-height: 1.6; }

.tip-box {
  display: flex;
  gap: 0.75rem;
  padding: 0.9rem 1.1rem;
  background: var(--tip-bg);
  border: 1px solid var(--tip-border);
  border-radius: var(--r-sm);
  margin-top: 0.75rem;
}
.tip-box-icon { font-size: 1rem; flex-shrink: 0; margin-top: 0.05rem; }
.tip-box p { color: var(--tip-text); font-size: 0.85rem; line-height: 1.6; }

.note-box {
  display: flex;
  gap: 0.75rem;
  padding: 0.9rem 1.1rem;
  background: var(--note-bg);
  border: 1px solid var(--note-border);
  border-radius: var(--r-sm);
  margin-top: 0.75rem;
}
.note-box-icon { font-size: 1rem; flex-shrink: 0; margin-top: 0.05rem; }
.note-box p { color: var(--note-text); font-size: 0.85rem; line-height: 1.6; }

.code-inline {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82em;
  background: var(--surface3);
  border: 1px solid var(--border2);
  border-radius: 4px;
  padding: 0.15em 0.4em;
  color: var(--cyan);
}

.img-placeholder {
  background: var(--surface2);
  border: 2px dashed var(--border2);
  border-radius: var(--r-sm);
  padding: 2rem;
  text-align: center;
  color: var(--text3);
  font-size: 0.85rem;
  margin-top: 0.75rem;
}
.img-placeholder .ph-icon { font-size: 2rem; margin-bottom: 0.5rem; display: block; }

.guide-footer-cta {
  text-align: center;
  padding: 3rem 2rem;
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-cyan);
}
.guide-footer-cta h3 { margin-bottom: 0.5rem; }
.guide-footer-cta p { color: var(--text2); margin-bottom: 1.25rem; font-size: 0.9rem; }
.security-note { margin-top: 0.75rem; color: var(--text3); font-size: 0.78rem; display: flex; align-items: center; justify-content: center; gap: 0.3rem; }

/* ============================================================
   SUBMIT FORM
   ============================================================ */
.submit-hero { padding: 4rem 0 2rem; text-align: center; }
.submit-hero h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); margin-bottom: 0.75rem; }
.submit-hero p { color: var(--text2); font-size: 0.95rem; display: flex; align-items: center; justify-content: center; gap: 0.4rem; }

/* Progress Bar */
.progress-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin: 2rem auto 3rem;
  max-width: 600px;
}
.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  flex: 1;
  position: relative;
}
.progress-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 16px;
  left: 50%;
  width: 100%;
  height: 2px;
  background: var(--border2);
  z-index: 0;
  transition: background 0.4s;
}
.progress-step.completed:not(:last-child)::after { background: var(--gradient); }

.progress-dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
  border: 2px solid var(--border2);
  background: var(--surface);
  color: var(--text3);
  position: relative;
  z-index: 1;
  transition: all 0.3s;
  font-family: 'JetBrains Mono', monospace;
}
.progress-step.active .progress-dot {
  border-color: var(--cyan);
  background: var(--cyan-glow);
  color: var(--cyan);
  box-shadow: 0 0 16px rgba(34,211,238,0.3);
}
.progress-step.completed .progress-dot {
  border-color: var(--green);
  background: rgba(16,185,129,0.15);
  color: var(--green);
}
.progress-label { font-size: 0.72rem; color: var(--text3); font-weight: 600; text-align: center; transition: color 0.3s; white-space: nowrap; }
.progress-step.active .progress-label { color: var(--cyan); }
.progress-step.completed .progress-label { color: var(--green); }

/* Form Card */
.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 2.5rem;
  max-width: 680px;
  margin: 0 auto;
}
.form-card-header { margin-bottom: 2rem; }
.form-card-header h2 { font-size: 1.4rem; margin-bottom: 0.3rem; }
.form-card-header p { color: var(--text2); font-size: 0.9rem; }

.form-step { display: none; }
.form-step.active { display: block; }

.form-group { margin-bottom: 1.4rem; }
.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text);
}
.form-label .required { color: var(--cyan); margin-left: 0.2rem; }
.form-sublabel { font-size: 0.78rem; color: var(--text3); font-weight: 400; margin-top: 0.15rem; margin-bottom: 0.4rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.form-input, .form-select {
  width: 100%;
  padding: 0.7rem 0.9rem;
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: var(--r-sm);
  color: var(--text);
  font-size: 0.9rem;
  font-family: inherit;
  transition: all var(--tr);
  outline: none;
}
.form-input::placeholder { color: var(--text3); }
.form-input:focus, .form-select:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(34,211,238,0.08);
  background: var(--surface3);
}
.form-input.error { border-color: #f87171; box-shadow: 0 0 0 3px rgba(248,113,113,0.08); }
.form-error { color: #f87171; font-size: 0.78rem; margin-top: 0.3rem; display: none; }
.form-error.visible { display: block; }

.form-hint { font-size: 0.78rem; color: var(--text3); margin-top: 0.35rem; }
.form-hint a { color: var(--cyan); }
.form-hint a:hover { text-decoration: underline; }

/* Password field wrapper */
.password-wrap { position: relative; }
.password-wrap .form-input { padding-right: 2.8rem; }
.password-toggle {
  position: absolute;
  right: 0.7rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text3);
  font-size: 0.9rem;
  cursor: pointer;
  padding: 0.2rem;
  transition: color var(--tr);
}
.password-toggle:hover { color: var(--cyan); }

/* Account cards */
.accounts-list { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1rem; }
.account-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 1.25rem;
  position: relative;
}
.account-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}
.account-card-num { font-size: 0.8rem; font-weight: 700; color: var(--text3); font-family: 'JetBrains Mono', monospace; }
.account-card .btn-danger { padding: 0.3rem 0.7rem; font-size: 0.75rem; }
.account-card .form-group { margin-bottom: 0.9rem; }
.account-card .form-group:last-child { margin-bottom: 0; }

.add-account-btn {
  width: 100%;
  padding: 0.75rem;
  background: var(--surface2);
  border: 2px dashed var(--border2);
  border-radius: var(--r-sm);
  color: var(--text3);
  font-size: 0.875rem;
  font-weight: 600;
  transition: all var(--tr);
  cursor: pointer;
  font-family: inherit;
}
.add-account-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--cyan-glow);
}

/* Form navigation */
.form-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.form-nav-left { display: flex; gap: 0.75rem; align-items: center; }
.form-test-btn { font-size: 0.78rem; padding: 0.4rem 0.9rem; }

/* Review step */
.review-section { margin-bottom: 1.5rem; }
.review-section h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text3); font-family: 'JetBrains Mono', monospace; margin-bottom: 0.75rem; }
.review-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; }
.review-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.65rem 0.9rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
}
.review-key { font-size: 0.72rem; color: var(--text3); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.review-val { font-size: 0.9rem; font-weight: 600; font-family: 'JetBrains Mono', monospace; color: var(--text); }

.review-accounts { display: flex; flex-direction: column; gap: 0.5rem; }
.review-account {
  padding: 0.65rem 0.9rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  font-size: 0.85rem;
}
.review-account .acct-label { color: var(--text3); font-size: 0.72rem; margin-bottom: 0.15rem; font-family: 'JetBrains Mono', monospace; text-transform: uppercase; }
.review-account .acct-email { color: var(--cyan); font-weight: 600; }

/* Success state */
.success-state {
  text-align: center;
  padding: 2rem 1rem;
}
.success-icon {
  width: 64px;
  height: 64px;
  background: rgba(16,185,129,0.15);
  border: 2px solid rgba(16,185,129,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 1.25rem;
}
.success-state h3 { font-size: 1.4rem; margin-bottom: 0.5rem; }
.success-state p { color: var(--text2); margin-bottom: 1.5rem; }

/* ============================================================
   AGREEMENT BOX
   ============================================================ */
.agreement-box {
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: var(--r);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
  color: var(--text2);
  line-height: 1.7;
  max-height: 160px;
  overflow-y: auto;
}
.agreement-box h4 {
  font-size: 0.875rem;
  color: var(--text);
  margin-bottom: 0.5rem;
}
.agreement-box::-webkit-scrollbar { width: 4px; }
.agreement-box::-webkit-scrollbar-track { background: var(--surface3); }
.agreement-box::-webkit-scrollbar-thumb { background: var(--border3); border-radius: 2px; }

/* Checkbox agreements */
.check-agreement {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: all var(--tr);
  margin-bottom: 0.75rem;
}
.check-agreement:hover { border-color: var(--border2); }
.check-agreement.checked { border-color: rgba(34,211,238,0.3); background: var(--cyan-glow); }
.check-agreement input[type="checkbox"] { display: none; }
.check-box {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  border: 2px solid var(--border3);
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--tr);
  margin-top: 0.05rem;
  font-size: 0.8rem;
  color: transparent;
}
.check-agreement.checked .check-box {
  background: var(--gradient);
  border-color: transparent;
  color: white;
}
.check-label { font-size: 0.875rem; color: var(--text2); line-height: 1.5; }
.check-label a { color: var(--cyan); }
.check-label strong { color: var(--text); }

/* ============================================================
   RETAILER SECTIONS (quantities + accounts)
   ============================================================ */
.qty-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.qty-item { }
.qty-item .form-label { font-size: 0.8rem; }
.qty-item .form-input { text-align: center; font-family: 'JetBrains Mono', monospace; font-weight: 700; }
.qty-hint { font-size: 0.72rem; color: var(--text3); text-align: center; margin-top: 0.25rem; }

.pkc-note {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1rem;
  background: var(--note-bg);
  border: 1px solid var(--note-border);
  border-radius: var(--r-sm);
  font-size: 0.83rem;
  color: var(--note-text);
}

.retailer-section {
  margin-bottom: 1.75rem;
}
.retailer-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}
.retailer-label {
  font-size: 0.8rem;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.retailer-icon { font-size: 1rem; }

/* ============================================================
   FILE UPLOAD
   ============================================================ */
.file-upload-zone {
  border: 2px dashed var(--border2);
  border-radius: var(--r-sm);
  padding: 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--tr);
  position: relative;
  background: var(--surface2);
}
.file-upload-zone:hover, .file-upload-zone.drag-over {
  border-color: var(--cyan);
  background: var(--cyan-glow);
}
.file-upload-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}
.file-upload-icon { font-size: 1.5rem; margin-bottom: 0.4rem; }
.file-upload-text { font-size: 0.83rem; color: var(--text3); }
.file-upload-text strong { color: var(--cyan); }

.file-selected {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.6rem 0.9rem;
  background: rgba(16,185,129,0.08);
  border: 1px solid rgba(16,185,129,0.2);
  border-radius: var(--r-sm);
  margin-top: 0.5rem;
}
.file-selected-name { font-size: 0.83rem; font-family: 'JetBrains Mono', monospace; color: var(--green); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-remove { background: none; border: none; color: var(--text3); cursor: pointer; font-size: 0.85rem; padding: 0.1rem 0.3rem; transition: color var(--tr); }
.file-remove:hover { color: #f87171; }

.template-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.template-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 1rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text2);
  font-size: 0.85rem;
  transition: all var(--tr);
}
.template-link:hover { border-color: var(--cyan); color: var(--cyan); }
.template-link .tl-icon { font-size: 1rem; }
.template-link .tl-label { flex: 1; font-weight: 600; }
.template-link .tl-arrow { color: var(--text3); font-size: 0.75rem; }

/* IMAP format hint */
.format-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: var(--r-sm);
  margin-top: 0.5rem;
}
.format-box-label { font-size: 0.72rem; color: var(--text3); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; white-space: nowrap; }
.format-box-code { font-family: 'JetBrains Mono', monospace; font-size: 0.83rem; color: var(--cyan); }

/* ============================================================
   PROFILE CARDS (Step 4)
   ============================================================ */
.profile-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.5rem;
  margin-bottom: 1rem;
}
.profile-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.25rem;
}
.profile-card-title {
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--cyan);
}
.profile-section-header {
  font-size: 0.68rem;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
  margin: 1.25rem 0 0.75rem;
}

.form-row-3 {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 0.75rem;
}
.form-row-4 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 0.75rem;
}

/* ============================================================
   CSV DOWNLOAD BUTTONS (Step 5 Review)
   ============================================================ */
.csv-buttons { display: flex; flex-direction: column; gap: 0.75rem; margin: 1.25rem 0; }
.csv-btn-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  transition: all var(--tr);
}
.csv-btn-row:hover { border-color: var(--border2); }
.csv-btn-info { flex: 1; }
.csv-btn-label { font-weight: 700; font-size: 0.875rem; margin-bottom: 0.15rem; }
.csv-btn-desc { color: var(--text3); font-size: 0.78rem; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .features-grid,
  .testimonials-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .review-grid { grid-template-columns: 1fr; }
  .qty-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
  /* Switch nav to flex so logo stays left and controls stay right when links hide */
  .nav { display: flex; justify-content: space-between; align-items: center; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; align-items: center; justify-content: center; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
  .footer-inner > *:last-child { justify-self: center; }
  .footer-cta-inner { padding: 2rem 1.5rem; }
  .form-card { padding: 1.5rem; }
  .chapter-body { padding: 1.25rem; }
  .chapter-header { padding: 1.1rem 1.25rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .progress-label { display: none; }
  .form-row-3 { grid-template-columns: 1fr 1fr; }
  .form-row-4 { grid-template-columns: 1fr 1fr; }
  .csv-btn-row { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .hero { padding: 5rem 0 4rem; }
  section { padding: 3.5rem 0; }
  .hero-btns { flex-direction: column; align-items: center; }
  .btn-lg { width: 100%; justify-content: center; }
}