*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --black: #0a0a0a; --white: #ffffff; --gray-50: #fafafa; --gray-200: #e8e8e8;
  --gray-400: #a0a0a0; --gray-600: #606060; --gray-800: #1a1a1a;
  --accent: #7C5CFC; --accent-light: #a78bfa; --accent-muted: #ede9fe;
  --warning: #d97706; --warning-bg: #fef3c7;
  --radius: 16px; --radius-sm: 8px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; background: var(--white); color: var(--black); line-height: 1.6; overflow-x: hidden; }

/* NAV */
nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; display: flex; align-items: center; justify-content: space-between; padding: 20px 60px; background: rgba(255,255,255,0.92); backdrop-filter: blur(18px); border-bottom: 1px solid var(--gray-200); }
.logo { font-size: 1.35rem; font-weight: 800; letter-spacing: -0.5px; color: var(--black); text-decoration: none; }
.logo span { color: var(--accent); }

.nav-links { display: flex; align-items: center; gap: 36px; list-style: none; }
.nav-links a { font-size: 0.875rem; font-weight: 500; color: var(--gray-600); text-decoration: none; transition: color var(--transition); }
.nav-links a:hover { color: var(--black); }

.nav-cta { background: var(--black); color: var(--white) !important; padding: 10px 22px; border-radius: 100px; font-size: 0.875rem; font-weight: 600 !important; text-decoration: none; transition: background var(--transition), transform var(--transition) !important; }
.nav-cta:hover { background: var(--accent) !important; transform: translateY(-1px); color: var(--white) !important; }

/* PAGE HEADER */
.page-header { padding: 160px 60px 80px; background: var(--gray-50); text-align: center; position: relative; overflow: hidden; }
.page-header::before { content: ''; position: absolute; top: -150px; left: 50%; transform: translateX(-50%); width: 700px; height: 700px; background: radial-gradient(circle, rgba(124,92,252,0.07) 0%, transparent 70%); pointer-events: none; }
.page-label { display: inline-block; font-size: 0.75rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--accent); background: var(--accent-muted); padding: 6px 16px; border-radius: 100px; margin-bottom: 24px; }
.page-header h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 900; letter-spacing: -2px; line-height: 1.08; color: var(--black); max-width: 700px; margin: 0 auto 20px; }
.page-header p { font-size: 1.05rem; color: var(--gray-600); max-width: 500px; margin: 0 auto; line-height: 1.75; }

/* LAYOUT */
.layout { display: grid; grid-template-columns: 260px 1fr; gap: 0; max-width: 1280px; margin: 0 auto; padding: 80px 60px; align-items: start; }
.sidebar { position: sticky; top: 100px; display: flex; flex-direction: column; gap: 8px; padding-right: 40px; }
.sidebar-label { font-size: 0.7rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--gray-400); margin-bottom: 12px; padding-left: 16px; }
.sidebar-link { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-radius: var(--radius-sm); font-size: 0.9rem; font-weight: 500; color: var(--gray-600); text-decoration: none; transition: all var(--transition); border: 1px solid transparent; }
.sidebar-link:hover, .sidebar-link.active { background: var(--accent-muted); color: var(--accent); border-color: rgba(124,92,252,0.2); font-weight: 600; }
.sidebar-link .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gray-200); flex-shrink: 0; transition: background var(--transition); }
.sidebar-link:hover .dot, .sidebar-link.active .dot { background: var(--accent); }

/* PANELS */
.panels { display: flex; flex-direction: column; gap: 80px; }
.detail-panel { border: 1px solid var(--gray-200); border-radius: var(--radius); overflow: hidden; scroll-margin-top: 120px; }

.panel-header { padding: 48px; background: var(--gray-50); border-bottom: 1px solid var(--gray-200); display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; flex-wrap: wrap; }
.panel-header-left { flex: 1; min-width: 200px; }

.panel-icon { width: 56px; height: 56px; background: var(--accent-muted); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; }
.panel-icon svg { width: 24px; height: 24px; stroke: var(--accent); stroke-width: 1.75; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.panel-icon.warning-icon { background: var(--warning-bg); }
.panel-icon.warning-icon svg { stroke: var(--warning); }

.service-badge { display: inline-block; font-size: 0.7rem; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.service-badge.warning { color: var(--warning); }
.panel-header h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 800; letter-spacing: -1px; line-height: 1.15; color: var(--black); }
.panel-header-right { text-align: right; }
.price-main { font-size: 2.4rem; font-weight: 900; letter-spacing: -1.5px; color: var(--accent); line-height: 1; }
.price-main.muted { color: var(--gray-400); }
.price-sub { font-size: 0.8rem; color: var(--gray-400); margin-top: 6px; }
.price-rows { display: flex; flex-direction: column; gap: 6px; text-align: right; }
.price-row { display: flex; gap: 16px; align-items: center; justify-content: flex-end; }
.price-row-label { font-size: 0.72rem; font-weight: 600; color: var(--gray-400); text-transform: uppercase; letter-spacing: 0.5px; }
.price-row-value { font-size: 1.1rem; font-weight: 800; color: var(--accent); letter-spacing: -0.5px; }

/* PANEL BODY */
.panel-body { padding: 48px; }
.panel-lead { font-size: 1.05rem; color: var(--gray-600); line-height: 1.75; max-width: 680px; margin-bottom: 40px; }
.status-alert { display: flex; align-items: flex-start; gap: 12px; background: var(--warning-bg); border: 1px solid rgba(217,119,6,0.3); border-radius: var(--radius-sm); padding: 16px 20px; margin-bottom: 36px; font-size: 0.875rem; color: #92400e; font-weight: 500; }
.status-alert strong { color: #78350f; }
.status-alert svg { width: 16px; height: 16px; stroke: #d97706; stroke-width: 2; fill: none; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; margin-top: 1px; }

.specs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-bottom: 40px; }
.spec-col h3 { font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--black); margin-bottom: 16px; padding-bottom: 10px; border-bottom: 1px solid var(--gray-200); }
.spec-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.spec-col li { font-size: 0.9rem; color: var(--gray-600); display: flex; align-items: center; gap: 10px; }
.spec-col li::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }

.consult-note { border-left: 3px solid var(--accent); padding: 12px 20px; background: var(--accent-muted); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-size: 0.9rem; color: var(--gray-600); margin-bottom: 28px; line-height: 1.65; }
.consult-note.warning { border-color: var(--warning); background: var(--warning-bg); color: #92400e; }

.panel-cta { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.btn-primary { background: var(--black); color: var(--white); padding: 14px 30px; border-radius: 100px; font-size: 0.9rem; font-weight: 600; text-decoration: none; border: none; cursor: pointer; font-family: 'Inter', sans-serif; transition: all var(--transition); box-shadow: 0 4px 16px rgba(0,0,0,0.1); display: inline-block; }
.btn-primary:hover { background: var(--accent); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(124,92,252,0.25); }
.btn-outline { background: transparent; color: var(--warning); padding: 14px 30px; border-radius: 100px; font-size: 0.9rem; font-weight: 600; text-decoration: none; border: 2px solid var(--warning); cursor: pointer; font-family: 'Inter', sans-serif; transition: all var(--transition); }
.btn-outline:hover { background: var(--warning); color: var(--white); }

/* FOOTER */
footer { background: var(--black); padding: 60px 60px 40px; margin-top: 40px; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.footer-logo { font-size: 1.2rem; font-weight: 800; color: var(--white); text-decoration: none; }
.footer-logo span { color: var(--accent-light); }
.footer-links { display: flex; gap: 28px; list-style: none; }
.footer-links a { font-size: 0.875rem; color: rgba(255,255,255,0.45); text-decoration: none; transition: color var(--transition); }
.footer-links a:hover { color: var(--white); }
.footer-copy { font-size: 0.8rem; color: rgba(255,255,255,0.25); }

/* ===================== WAITLIST MODAL ===================== */
.waitlist-modal {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.waitlist-modal[hidden] { display: none; }

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(4px);
  cursor: pointer;
}

.modal-content {
  position: relative;
  z-index: 1;
  background: var(--white);
  border-radius: var(--radius);
  padding: 48px;
  width: 100%;
  max-width: 480px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.2);
  animation: modalIn 0.3s cubic-bezier(0.4,0,0.2,1);
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(20px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-close {
  position: absolute;
  top: 20px; right: 20px;
  background: var(--gray-100);
  border: none;
  border-radius: 50%;
  width: 32px; height: 32px;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--gray-600);
  transition: background var(--transition), color var(--transition);
}
.modal-close:hover { background: var(--gray-200); color: var(--black); }

.modal-header { margin-bottom: 28px; }
.modal-tag {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--warning);
  display: block;
  margin-bottom: 10px;
}
.modal-header h2 {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--black);
  line-height: 1.2;
}

.waitlist-form { display: flex; flex-direction: column; gap: 18px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.78rem; font-weight: 600; color: var(--black); letter-spacing: 0.3px; }
.form-group input,
.form-group textarea {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  color: var(--black);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124,92,252,0.1);
}

.form-status {
  font-size: 0.875rem;
  font-weight: 500;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  display: none;
}
.form-status:not(:empty) { display: block; }
.form-status.success { background: #d1fae5; color: #065f46; border: 1px solid #6ee7b7; }
.form-status.error   { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }

.submit-btn { width: 100%; margin-top: 4px; }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1024px) {
  .layout { grid-template-columns: 1fr; padding: 60px 30px; }
  .sidebar { position: static; flex-direction: row; flex-wrap: wrap; padding-right: 0; margin-bottom: 40px; }
  .sidebar-label { display: none; }
  nav { padding: 18px 30px; }
  footer { padding: 48px 30px 32px; }
}
@media (max-width: 768px) {
  nav { padding: 16px 20px; }
  .page-header { padding: 120px 24px 60px; }
  .layout { padding: 40px 20px; }
  .panel-header { padding: 28px; flex-direction: column; }
  .panel-header-right { text-align: left; }
  .panel-body { padding: 28px; }
  .specs-grid { grid-template-columns: 1fr; }
  footer { padding: 40px 20px 28px; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 20px; }
  .footer-links { flex-wrap: wrap; gap: 16px; }
  .modal-content { padding: 32px 24px; }
}