/* NeuralNexusNote — style.css */

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

:root {
  --bg:       #080c14;
  --bg2:      #0d1420;
  --card:     #111827;
  --border:   #1f2d3d;
  --purple:   #7c3aed;
  --purple-l: #a78bfa;
  --cyan:     #0e7490;
  --cyan-l:   #22d3ee;
  --text:     #e2e8f0;
  --dim:      #94a3b8;
  --muted:    #4b5563;
  --green:    #10b981;
  --grad:     linear-gradient(135deg, #7c3aed 0%, #0e7490 100%);
  --r:        10px;
  --shadow:   0 4px 24px rgba(0,0,0,.4);
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-weight: 700;
  line-height: 1.25;
}

a { color: var(--cyan-l); text-decoration: none; transition: color .2s; }
a:hover { color: var(--purple-l); }
img { max-width: 100%; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* ===== HEADER ===== */
header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(8,12,20,.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 1100px; margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.logo {
  font-family: 'Space Grotesk', sans-serif; font-size: 1.1rem; font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; white-space: nowrap;
}
nav { display: flex; align-items: center; gap: 28px; }
nav a { color: var(--dim); font-size: .875rem; font-weight: 500; }
nav a:hover { color: var(--text); }
.nav-cta {
  padding: 7px 18px;
  background: var(--grad);
  color: white !important;
  -webkit-text-fill-color: white !important;
  border-radius: 6px; font-size: .8rem; font-weight: 600;
}
.nav-cta:hover { opacity: .85; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-block; padding: 12px 28px; border-radius: 8px;
  font-size: .9rem; font-weight: 600; cursor: pointer;
  border: none; transition: all .2s; text-align: center;
}
.btn-primary { background: var(--grad); color: #fff; -webkit-text-fill-color: #fff; }
.btn-primary:hover { opacity: .85; color: #fff; transform: translateY(-1px); }
.btn-outline {
  background: transparent; color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--purple); color: var(--purple-l); }
.btn-sm { padding: 8px 18px; font-size: .8rem; }

/* ===== SECTIONS ===== */
section { padding: 80px 0; }
.bg-alt { background: var(--bg2); }

.section-tag {
  display: block; text-align: center;
  font-size: .72rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--purple-l); margin-bottom: 10px;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  text-align: center; margin-bottom: 12px;
}
.section-desc {
  text-align: center; color: var(--dim);
  max-width: 540px; margin: 0 auto 48px; font-size: .95rem;
}

/* ===== HERO ===== */
.hero {
  padding: 100px 0 80px; text-align: center;
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -180px; left: 50%;
  transform: translateX(-50%); width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(124,58,237,.13) 0%, transparent 65%);
  pointer-events: none;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 14px; background: rgba(124,58,237,.1);
  border: 1px solid rgba(124,58,237,.35); border-radius: 100px;
  font-size: .78rem; color: var(--purple-l); margin-bottom: 24px; font-weight: 500;
}
.hero h1 { font-size: clamp(2.2rem, 5.5vw, 3.8rem); margin-bottom: 20px; }
.hero h1 .grad {
  background: var(--grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 1.05rem; color: var(--dim);
  max-width: 500px; margin: 0 auto 36px;
}
.btn-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ===== PRODUCT CARDS ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(248px, 1fr));
  gap: 20px;
}
.p-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r); padding: 24px;
  position: relative; transition: border-color .2s, transform .2s;
  display: flex; flex-direction: column;
}
.p-card:hover { border-color: rgba(124,58,237,.5); transform: translateY(-2px); }
.p-card.featured { border-color: var(--purple); }
.badge-hot {
  position: absolute; top: -11px; right: 16px;
  background: var(--grad); color: white;
  font-size: .7rem; font-weight: 700;
  padding: 3px 11px; border-radius: 100px;
}
.p-tag {
  font-size: .7rem; font-weight: 700; color: var(--cyan-l);
  text-transform: uppercase; letter-spacing: .09em; margin-bottom: 6px;
}
.p-card h3 { font-size: 1.35rem; margin-bottom: 10px; }
.p-desc { font-size: .85rem; color: var(--dim); margin-bottom: 18px; flex: 1; }
.price-block { margin-bottom: 20px; }
.price-now { font-size: 1.7rem; font-weight: 700; }
.price-was { font-size: .85rem; color: var(--muted); text-decoration: line-through; margin-left: 8px; }
.price-note {
  display: inline-block; font-size: .72rem; color: var(--green);
  background: rgba(16,185,129,.1); border: 1px solid rgba(16,185,129,.3);
  padding: 2px 8px; border-radius: 4px; margin-top: 5px;
}
.p-feats { list-style: none; margin-bottom: 22px; }
.p-feats li {
  font-size: .8rem; color: var(--dim); padding: 5px 0;
  border-bottom: 1px solid rgba(31,45,61,.6);
  display: flex; align-items: center; gap: 7px;
}
.p-feats li::before { content: '✓'; color: var(--green); font-weight: 700; flex-shrink: 0; }
.btn-card { width: 100%; text-align: center; border-radius: 7px; font-size: .85rem; padding: 10px; font-weight: 600; }
.btn-ghost {
  background: transparent; border: 1px solid var(--border);
  color: var(--dim); transition: all .2s;
}
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan-l); }

.launch-box {
  background: rgba(124,58,237,.07);
  border: 1px solid rgba(124,58,237,.22);
  border-radius: var(--r); padding: 14px 20px;
  text-align: center; font-size: .85rem; color: var(--dim); margin-top: 28px;
}
.launch-box strong { color: var(--purple-l); }

/* ===== HOW TO BUY ===== */
.how-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.how-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r); padding: 28px;
}
.how-icon { font-size: 2.2rem; margin-bottom: 12px; }
.how-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.how-card p { font-size: .875rem; color: var(--dim); margin-bottom: 14px; }
.how-card ul { list-style: none; font-size: .8rem; color: var(--dim); margin-bottom: 14px; }
.how-card ul li { padding: 3px 0; }
.how-card ul li::before { content: '→ '; color: var(--cyan-l); }
.tag-badge {
  display: inline-block; font-size: .7rem; font-weight: 600;
  padding: 3px 9px; border-radius: 4px;
  background: rgba(14,116,144,.15); color: var(--cyan-l);
  border: 1px solid rgba(14,116,144,.3);
}

/* ===== ABOUT ===== */
.about-wrap {
  display: grid; grid-template-columns: 1.2fr 1fr;
  gap: 48px; align-items: center;
}
.about-text h2 { font-size: clamp(1.5rem, 3vw, 1.9rem); margin-bottom: 16px; }
.about-text p { font-size: .9rem; color: var(--dim); margin-bottom: 12px; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stat-box {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r); padding: 20px; text-align: center;
}
.stat-num {
  font-size: 1.8rem; font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-lbl { font-size: .75rem; color: var(--muted); margin-top: 4px; }

/* ===== FOOTER ===== */
footer {
  background: var(--bg2); border-top: 1px solid var(--border);
  padding: 44px 0 20px;
}
.footer-inner { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr;
  gap: 40px; margin-bottom: 36px;
}
.footer-brand .logo { display: block; margin-bottom: 10px; }
.footer-brand p { font-size: .82rem; color: var(--muted); max-width: 240px; line-height: 1.6; }
.footer-col h4 {
  font-size: .75rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: .1em; color: var(--dim); margin-bottom: 14px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 9px; }
.footer-col a { font-size: .82rem; color: var(--muted); }
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--border); padding-top: 18px;
  display: flex; justify-content: space-between; align-items: center;
  gap: 12px; flex-wrap: wrap;
}
.footer-bottom p, .footer-bottom a { font-size: .78rem; color: var(--muted); }
.footer-links-row { display: flex; gap: 16px; }

/* ===== LEGAL PAGES ===== */
.page-header {
  padding: 56px 0 32px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0;
}
.page-header h1 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 8px; }
.page-header p { color: var(--muted); font-size: .85rem; }

.legal-wrap {
  max-width: 820px; margin: 0 auto;
  padding: 48px 24px 80px;
}
.legal-wrap h2 {
  font-size: 1.1rem; margin: 32px 0 12px;
  padding-bottom: 8px; border-bottom: 1px solid var(--border);
  color: var(--text);
}
.legal-wrap h3 { font-size: .95rem; margin: 18px 0 8px; color: var(--text); }
.legal-wrap p { font-size: .875rem; color: var(--dim); margin-bottom: 10px; }
.legal-wrap ul, .legal-wrap ol {
  font-size: .875rem; color: var(--dim);
  padding-left: 20px; margin-bottom: 10px;
}
.legal-wrap li { margin-bottom: 5px; }
.legal-note {
  font-size: .8rem; color: var(--muted);
  margin-top: 16px; line-height: 1.8;
}

.tokutei-table {
  width: 100%; border-collapse: collapse;
  margin: 16px 0 24px; font-size: .875rem;
}
.tokutei-table th, .tokutei-table td {
  padding: 12px 16px; border: 1px solid var(--border); vertical-align: top;
}
.tokutei-table th {
  background: var(--card); font-weight: 600; text-align: left;
  color: var(--dim); white-space: nowrap; width: 200px;
}
.tokutei-table td { color: var(--text); }
.tokutei-table small { font-size: .78rem; color: var(--muted); }

/* ===== CONTACT ===== */
.contact-wrap {
  display: grid; grid-template-columns: 1fr 2fr; gap: 48px;
  max-width: 920px; margin: 0 auto; padding: 48px 24px 80px;
}
.contact-info h3 { font-size: 1rem; margin-bottom: 18px; color: var(--text); }
.c-item { display: flex; gap: 12px; margin-bottom: 22px; }
.c-icon { font-size: 1.2rem; line-height: 1; padding-top: 2px; }
.c-lbl { font-size: .72rem; color: var(--muted); margin-bottom: 3px; }
.c-val { font-size: .875rem; color: var(--text); word-break: break-all; }
.response-note {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r); padding: 14px 16px;
  font-size: .8rem; color: var(--dim); margin-top: 8px;
}
.form-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r); padding: 28px;
}
.form-card h3 { font-size: 1rem; margin-bottom: 20px; color: var(--text); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block; font-size: .8rem; font-weight: 500;
  color: var(--dim); margin-bottom: 6px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%; padding: 10px 12px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 7px; color: var(--text);
  font-size: .875rem; font-family: inherit;
  transition: border-color .2s; outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--purple); }
.form-group textarea { height: 120px; resize: vertical; }
.form-note { font-size: .75rem; color: var(--muted); margin-top: 12px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  nav { gap: 16px; flex-wrap: wrap; justify-content: center; }
  .hero { padding: 60px 0 60px; }
  .about-wrap { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .contact-wrap { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .header-inner { flex-direction: column; align-items: flex-start; gap: 10px; }
  nav a { font-size: .78rem; }
  .btn-row { flex-direction: column; align-items: center; }
  .tokutei-table { font-size: .8rem; }
  .tokutei-table th { width: auto; min-width: 90px; }
}