/* ============================================================
   SolutionMall — Ethernet Training Guide
   Unified Design System (Template-Compliant)
   ============================================================ */

:root {
  --bg: #f7fafc;
  --surface: rgba(255,255,255,0.92);
  --surface-solid: #ffffff;
  --text: #0f172a;
  --text-soft: #475569;
  --line: rgba(148,163,184,0.24);
  --brand: #0ea5e9;
  --brand-2: #06b6d4;
  --brand-dark: #0369a1;
  --shadow: 0 18px 40px rgba(15,23,42,0.08);
  --shadow-sm: 0 4px 16px rgba(15,23,42,0.06);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --container: 1320px;
  --header-height: 88px;
  --transition: 240ms ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(180deg, #f8fbff 0%, #f4f7fb 100%);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
}
img { display: block; width: 100%; max-width: 100%; object-fit: cover; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 500;
  transition: background var(--transition), box-shadow var(--transition);
}

.header-shell { padding: 14px 0; }

.header-bar {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  border-radius: 999px;
  padding: 10px 16px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.96);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition: all var(--transition);
}

.site-header[data-tone="solid"] .header-bar {
  background: rgba(255,255,255,0.97);
  border-color: #dbe7f4;
  color: var(--text);
  box-shadow: 0 8px 28px rgba(15,23,42,0.09);
}

/* Brand */
.brand {
  width: 220px;
  min-width: 220px;
  max-width: 220px;
  display: block;
  flex-shrink: 0;
}
.brand img {
  width: 220px;
  height: auto;
  object-fit: contain;
  display: block;
}

/* Nav */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  min-width: 0;
  flex-wrap: nowrap;
  overflow: hidden;
  white-space: nowrap;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 6px 11px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 700;
  white-space: nowrap;
  line-height: 1;
  transition: background var(--transition), color var(--transition);
  color: inherit;
}
.nav-link:hover {
  background: rgba(255,255,255,0.18);
}
.site-header[data-tone="solid"] .nav-link:hover {
  background: rgba(26,111,232,0.1);
  color: var(--brand-dark);
}

/* Header Tools */
.header-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  flex-shrink: 0;
}

/* Partner CRM Button */
.btn-crm {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 700;
  white-space: nowrap;
  background: rgba(255,255,255,0.16);
  border: 1px solid rgba(255,255,255,0.28);
  color: inherit;
  transition: all var(--transition);
  cursor: pointer;
}
.btn-crm:hover {
  background: rgba(255,255,255,0.28);
}
.site-header[data-tone="solid"] .btn-crm {
  background: #f0f7ff;
  border-color: #c3d9f5;
  color: var(--brand-dark);
}
.site-header[data-tone="solid"] .btn-crm:hover {
  background: #dbeeff;
}

/* Language Switcher */
.lang-wrap { position: relative; }

.lang-button {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.28);
  background: rgba(255,255,255,0.14);
  color: inherit;
  font: inherit;
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition);
}
.lang-button:hover {
  background: rgba(255,255,255,0.26);
}
.site-header[data-tone="solid"] .lang-button {
  background: #fff;
  border-color: #dbe7f4;
  color: var(--text);
}
.site-header[data-tone="solid"] .lang-button:hover {
  background: #f0f7ff;
}

.lang-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  min-width: 180px;
  padding: 8px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid #dbe7f4;
  box-shadow: 0 22px 50px rgba(15,23,42,0.18);
  display: none;
  z-index: 9999;
}
.lang-wrap[data-open="true"] .lang-menu { display: block; }

.lang-option {
  display: block;
  width: 100%;
  border: 0;
  border-radius: 10px;
  padding: 9px 12px;
  background: transparent;
  text-align: left;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  transition: background var(--transition);
}
.lang-option:hover { background: #eff6ff; color: var(--brand-dark); }
.lang-option.is-active { background: #e0f0ff; color: var(--brand-dark); font-weight: 800; }

/* Primary Button */
.btn-primary {
  display: inline-flex;
  align-items: center;
  padding: 11px 20px;
  border-radius: 999px;
  font: inherit;
  font-size: 13.5px;
  font-weight: 800;
  white-space: nowrap;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  border: 0;
  box-shadow: 0 8px 24px rgba(26,111,232,0.32);
  transition: all var(--transition);
  cursor: pointer;
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 32px rgba(26,111,232,0.42);
}

/* Secondary Button */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  padding: 11px 20px;
  border-radius: 999px;
  font: inherit;
  font-size: 13.5px;
  font-weight: 800;
  white-space: nowrap;
  background: rgba(255,255,255,0.16);
  border: 1.5px solid rgba(255,255,255,0.5);
  color: #fff;
  transition: all var(--transition);
  cursor: pointer;
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.28);
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.28);
  border-radius: 10px;
  cursor: pointer;
  padding: 0;
}
.mobile-menu-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: all var(--transition);
}
.site-header[data-tone="solid"] .mobile-menu-btn {
  background: #f0f7ff;
  border-color: #c3d9f5;
  color: var(--text);
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 12px 16px 16px;
  background: rgba(255,255,255,0.97);
  border-radius: 0 0 22px 22px;
  border: 1px solid #dbe7f4;
  border-top: 0;
  box-shadow: 0 16px 32px rgba(15,23,42,0.1);
  margin-top: -6px;
}
.mobile-nav.is-open { display: flex; }
.mobile-nav .nav-link { color: var(--text); padding: 10px 14px; }
.mobile-nav .nav-link:hover { background: #f0f7ff; color: var(--brand-dark); }
.mobile-nav-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  padding: calc(var(--header-height) + 60px) 0 60px;
  color: #fff;
  overflow: hidden;
  min-height: 92vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(5,23,47,0.75) 0%, rgba(5,23,80,0.58) 100%);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 28px;
  align-items: stretch;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
  padding: 40px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  min-height: 360px;
}

.hero-eyebrow {
  display: inline-flex;
  align-self: flex-start;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.16);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-copy h1 {
  font-size: clamp(1.9rem, 3.5vw, 3.2rem);
  line-height: 1.1;
  font-weight: 800;
}

.hero-copy p {
  font-size: 1.05rem;
  opacity: 0.9;
  max-width: 55ch;
}

.hero-tagline {
  font-size: 1rem;
  font-style: italic;
  opacity: 0.8;
  padding-left: 14px;
  border-left: 3px solid rgba(255,255,255,0.4);
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.hero-visual {
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.16);
  box-shadow: var(--shadow);
  min-height: 360px;
}
.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  opacity: 0.6;
  color: #fff;
}
.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid rgba(255,255,255,0.7);
  border-bottom: 2px solid rgba(255,255,255,0.7);
  transform: rotate(45deg);
  animation: scrollBounce 1.6s ease-in-out infinite;
}
@keyframes scrollBounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50% { transform: rotate(45deg) translateY(5px); }
}

/* ============================================================
   CONTENT SECTIONS
   ============================================================ */
.content-section {
  padding: 80px 0;
  background: var(--bg);
}
.content-section:nth-child(even) {
  background: #fff;
}

.section-dark {
  background: #0f172a !important;
  color: #fff;
}
.section-blue {
  background: linear-gradient(135deg, #1a3a6e 0%, #0f2a5a 100%) !important;
  color: #fff;
}
.section-scenarios {
  background: linear-gradient(135deg, #1e3a5f 0%, #0d2340 100%) !important;
  color: #fff;
}
.section-summary {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%) !important;
  color: #fff;
}
.section-survey {
  background: #f0f7ff !important;
}
.section-cta {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%) !important;
  color: #fff;
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-header.light { color: #fff; }

.section-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  margin: 0 auto 16px;
}

.section-header h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 12px;
}

.section-desc {
  font-size: 1.05rem;
  opacity: 0.7;
}

.sub-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text);
}
.section-dark .sub-title,
.section-blue .sub-title,
.section-scenarios .sub-title { color: #fff; }

.subsection-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 40px 0 20px;
  color: var(--text);
}
.subsection-title.light { color: #fff; }

/* Section Grid (2-col with visual) */
.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.95fr);
  gap: 28px;
  align-items: start;
}

.section-copy { min-width: 0; }

.section-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #eaf2fb;
  min-height: 280px;
}
.section-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}

/* Two Equal Columns */
.two-col-equal {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  align-items: start;
}

/* ============================================================
   INSIGHT BANNER
   ============================================================ */
.insight-banner {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 24px;
  background: linear-gradient(135deg, #eff6ff, #e0f2fe);
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-lg);
  margin-bottom: 40px;
}
.insight-icon { font-size: 1.5rem; flex-shrink: 0; margin-top: 2px; }
.insight-text { font-size: 0.97rem; line-height: 1.7; color: #1e3a5f; }
.insight-text strong { display: block; margin-bottom: 4px; font-size: 1rem; color: var(--brand-dark); }

/* ============================================================
   ROLES GRID
   ============================================================ */
.roles-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.role-card {
  padding: 20px;
  background: var(--surface);
  border: 1px solid rgba(226,232,240,0.88);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.role-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(15,23,42,0.1);
}
.role-icon { font-size: 1.6rem; margin-bottom: 10px; }
.role-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; color: var(--brand-dark); }
.role-card p { font-size: 0.9rem; color: var(--text-soft); }

/* ============================================================
   ACCORDION
   ============================================================ */
.accordion { display: grid; gap: 8px; }

.acc-item {
  border: 1px solid rgba(226,232,240,0.88);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface);
}

.acc-header {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 14px 18px;
  background: transparent;
  border: 0;
  cursor: pointer;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  text-align: left;
  transition: background var(--transition);
}
.acc-header:hover { background: #f8fbff; }
.acc-header.is-open { background: #eff6ff; color: var(--brand-dark); }

.acc-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  flex-shrink: 0;
}

.acc-header span:nth-child(2) { flex: 1; }

.acc-arrow {
  flex-shrink: 0;
  transition: transform var(--transition);
  color: var(--text-soft);
}
.acc-header.is-open .acc-arrow { transform: rotate(180deg); color: var(--brand); }

.acc-body {
  display: none;
  padding: 0 18px 16px 58px;
}
.acc-body.is-open { display: block; }
.acc-body p { font-size: 0.92rem; color: var(--text-soft); line-height: 1.7; }

/* Quote Box */
.quote-box {
  margin-top: 20px;
  padding: 20px 24px;
  background: linear-gradient(135deg, rgba(26,111,232,0.08), rgba(14,165,233,0.06));
  border-left: 4px solid var(--brand);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.quote-box blockquote { font-size: 0.95rem; font-style: italic; color: var(--brand-dark); line-height: 1.7; }

/* ============================================================
   FULL IMAGE BLOCK
   ============================================================ */
.full-img-block {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 36px;
  max-height: 340px;
}
.full-img-block img { width: 100%; height: 340px; object-fit: cover; }

/* ============================================================
   TABS
   ============================================================ */
.tab-nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.tab-btn {
  padding: 10px 20px;
  border-radius: 999px;
  border: 1.5px solid rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.8);
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.tab-btn:hover { background: rgba(255,255,255,0.2); color: #fff; }
.tab-btn.active {
  background: #fff;
  color: var(--brand-dark);
  border-color: #fff;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.tab-content { display: none; }
.tab-content.active { display: block; }

/* Cable Cards */
.cable-cards {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.cable-card {
  padding: 20px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: var(--radius-lg);
  color: #fff;
  transition: all var(--transition);
}
.cable-card:hover { background: rgba(255,255,255,0.18); transform: translateY(-3px); }
.cable-card.featured {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.4);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.cable-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}
.cable-badge.standard { background: rgba(148,163,184,0.3); }
.cable-badge.recommended { background: rgba(34,197,94,0.3); color: #86efac; }
.cable-badge.upgrade { background: rgba(234,179,8,0.3); color: #fde047; }
.cable-badge.shielded { background: rgba(168,85,247,0.3); color: #d8b4fe; }
.cable-badge.datacenter { background: rgba(239,68,68,0.3); color: #fca5a5; }

.cable-cat { font-size: 1.6rem; font-weight: 800; margin-bottom: 4px; }
.cable-spec { font-size: 0.82rem; opacity: 0.7; margin-bottom: 10px; }
.cable-card p { font-size: 0.88rem; opacity: 0.85; line-height: 1.6; }

/* Shield Grid */
.shield-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.shield-card {
  padding: 20px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: var(--radius-lg);
  color: #fff;
  text-align: center;
  transition: all var(--transition);
}
.shield-card:hover { background: rgba(255,255,255,0.18); transform: translateY(-3px); }
.shield-card.featured { background: rgba(255,255,255,0.18); border-color: rgba(255,255,255,0.4); }
.shield-icon {
  font-size: 0.85rem;
  font-weight: 800;
  padding: 6px 12px;
  background: rgba(26,111,232,0.4);
  border-radius: 8px;
  display: inline-block;
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}
.shield-card h4 { font-size: 1.1rem; font-weight: 800; margin-bottom: 8px; }
.shield-card p { font-size: 0.88rem; opacity: 0.85; line-height: 1.6; }

/* Tip Box */
.tip-box {
  padding: 16px 20px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  color: rgba(255,255,255,0.9);
}
.tip-box strong { color: #fde047; margin-right: 6px; }

/* Form Grid */
.form-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.form-card {
  padding: 24px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: var(--radius-lg);
  color: #fff;
  transition: all var(--transition);
}
.form-card:hover { background: rgba(255,255,255,0.18); transform: translateY(-3px); }
.form-card.featured { background: rgba(255,255,255,0.18); border-color: rgba(255,255,255,0.4); }
.form-icon { font-size: 2rem; margin-bottom: 12px; }
.form-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.form-card p { font-size: 0.88rem; opacity: 0.85; line-height: 1.6; }

/* App Tags */
.app-tags { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 24px; }
.app-tag {
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.9);
  font-size: 0.88rem;
  font-weight: 600;
  transition: all var(--transition);
}
.app-tag:hover { background: rgba(255,255,255,0.22); }
.app-tag.highlight { background: rgba(26,111,232,0.4); border-color: rgba(26,111,232,0.6); color: #fff; }

.app-image-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.app-img {
  border-radius: var(--radius-md);
  height: 180px;
  object-fit: cover;
  width: 100%;
}

/* Priority Section */
.priority-section { margin-top: 48px; }

.priority-layout {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.priority-pyramid { display: grid; gap: 8px; }

.pyramid-level {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  color: #fff;
  font-size: 0.88rem;
}
.pyramid-level strong { font-size: 1rem; font-weight: 800; }
.pyramid-level.l1 { background: linear-gradient(135deg, var(--brand), var(--brand-2)); }
.pyramid-level.l2 { background: rgba(255,255,255,0.2); }
.pyramid-level.l3 { background: rgba(255,255,255,0.12); }

.priority-notes { display: grid; gap: 12px; }

.priority-note {
  padding: 16px 20px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
}
.priority-note.cat6 { border-left: 4px solid var(--brand-2); }
.priority-note.cat6a { border-left: 4px solid #fde047; }
.priority-note.poe { border-left: 4px solid #86efac; }
.priority-note h4 { font-size: 0.95rem; font-weight: 700; color: #fff; margin-bottom: 6px; }
.priority-note p { font-size: 0.88rem; color: rgba(255,255,255,0.8); line-height: 1.6; }

/* ============================================================
   REASON LIST
   ============================================================ */
.reason-list { display: grid; gap: 14px; }

.reason-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px;
  background: var(--surface);
  border: 1px solid rgba(226,232,240,0.88);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition);
}
.reason-item:hover { transform: translateX(4px); }

.reason-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  flex-shrink: 0;
}

.reason-item h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 4px; color: var(--brand-dark); }
.reason-item p { font-size: 0.88rem; color: var(--text-soft); line-height: 1.6; }

/* ============================================================
   SEGMENTS
   ============================================================ */
.segments-section { margin-top: 48px; }

.seg-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.seg-tab {
  padding: 9px 18px;
  border-radius: 999px;
  border: 1.5px solid #dbe7f4;
  background: #fff;
  color: var(--text-soft);
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.seg-tab:hover { border-color: var(--brand); color: var(--brand-dark); }
.seg-tab.active { background: var(--brand); border-color: var(--brand); color: #fff; }

.seg-content { display: none; }
.seg-content.active { display: block; }

.tag-cloud { display: flex; gap: 10px; flex-wrap: wrap; }

.seg-tag {
  padding: 8px 16px;
  border-radius: 999px;
  background: #f0f7ff;
  border: 1px solid #c3d9f5;
  color: var(--brand-dark);
  font-size: 0.88rem;
  font-weight: 600;
  transition: all var(--transition);
}
.seg-tag:hover { background: var(--brand); color: #fff; border-color: var(--brand); }

/* Personas */
.personas-section { margin-top: 48px; }

.personas-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.persona-card {
  padding: 24px 20px;
  text-align: center;
  background: var(--surface);
  border: 1px solid rgba(226,232,240,0.88);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.persona-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(15,23,42,0.1); }
.persona-avatar { font-size: 2.2rem; margin-bottom: 12px; }
.persona-card h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 6px; color: var(--brand-dark); }
.persona-card p { font-size: 0.85rem; color: var(--text-soft); }

/* ============================================================
   SCENARIOS
   ============================================================ */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.scenario-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  transition: all var(--transition);
}
.scenario-card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(0,0,0,0.3); }

.sc-img-wrap {
  position: relative;
  height: 160px;
  overflow: hidden;
}
.sc-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 400ms ease; }
.scenario-card:hover .sc-img-wrap img { transform: scale(1.05); }
.sc-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.5), transparent);
}

.sc-info { padding: 14px 16px; color: #fff; }
.sc-info h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 4px; }
.sc-info p { font-size: 0.82rem; opacity: 0.75; margin-bottom: 8px; }
.sc-cta { font-size: 0.8rem; font-weight: 700; color: var(--brand-2); }

.core-principle-box {
  padding: 24px 28px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-lg);
  color: #fff;
}
.core-principle-box h4 { font-size: 1rem; font-weight: 800; margin-bottom: 8px; color: var(--brand-2); }
.core-principle-box p { font-size: 0.92rem; opacity: 0.9; line-height: 1.7; }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5,23,47,0.75);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(6px);
}
.modal-overlay.is-open { display: flex; }

.modal-box {
  position: relative;
  background: #fff;
  border-radius: var(--radius-xl);
  max-width: 680px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 32px 80px rgba(0,0,0,0.3);
  animation: modalIn 280ms ease;
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(16px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 0;
  background: rgba(15,23,42,0.08);
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: background var(--transition);
}
.modal-close:hover { background: rgba(15,23,42,0.16); }

.modal-img-wrap { height: 220px; overflow: hidden; border-radius: var(--radius-xl) var(--radius-xl) 0 0; }
.modal-img-wrap img { width: 100%; height: 100%; object-fit: cover; }

.modal-content { padding: 28px; }
.modal-content h2 { font-size: 1.4rem; font-weight: 800; margin-bottom: 16px; color: var(--brand-dark); }

.modal-points { display: grid; gap: 8px; margin-bottom: 16px; }
.modal-points li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.92rem;
  color: var(--text-soft);
  line-height: 1.6;
}
.modal-points li::before {
  content: "→";
  color: var(--brand);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.modal-tip {
  display: flex;
  gap: 10px;
  padding: 14px 16px;
  background: #eff6ff;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  color: var(--brand-dark);
}
.modal-tip strong { flex-shrink: 0; }
.modal-tip p { margin: 0; line-height: 1.6; }

/* ============================================================
   PRINCIPLES & BOUNDARIES
   ============================================================ */
.principle-list,
.boundary-list { display: grid; gap: 12px; }

.principle-item,
.boundary-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px;
  background: var(--surface);
  border: 1px solid rgba(226,232,240,0.88);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.principle-icon,
.boundary-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 2px; }

.principle-item h4,
.boundary-item h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 4px; }
.principle-item h4 { color: #15803d; }
.boundary-item h4 { color: #b45309; }
.principle-item p,
.boundary-item p { font-size: 0.88rem; color: var(--text-soft); line-height: 1.6; }

/* ============================================================
   ECOSYSTEM
   ============================================================ */
.quote-block {
  padding: 24px 32px;
  background: rgba(255,255,255,0.1);
  border-left: 4px solid var(--brand-2);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-bottom: 40px;
}
.quote-block blockquote { font-size: 1.05rem; font-style: italic; color: rgba(255,255,255,0.9); line-height: 1.7; }

.ecosystem-diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  margin-bottom: 40px;
  padding: 32px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-xl);
}

.eco-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.eco-core {
  padding: 16px 32px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  font-size: 1.1rem;
  font-weight: 800;
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(26,111,232,0.4);
}

.eco-nodes {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.eco-node {
  padding: 9px 16px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 999px;
  color: rgba(255,255,255,0.85);
  font-size: 0.88rem;
  font-weight: 600;
  transition: all var(--transition);
}
.eco-node:hover { background: rgba(255,255,255,0.2); }
.eco-node.highlight { background: rgba(26,111,232,0.3); border-color: rgba(26,111,232,0.5); color: #fff; }

.paths-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.path-card {
  padding: 20px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-lg);
  color: #fff;
  transition: all var(--transition);
}
.path-card:hover { background: rgba(255,255,255,0.14); transform: translateY(-3px); }
.path-arrow { font-size: 1.4rem; font-weight: 800; color: var(--brand-2); margin-bottom: 8px; }
.path-card h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 6px; }
.path-card p { font-size: 0.88rem; opacity: 0.8; line-height: 1.6; }

/* ============================================================
   VALUES
   ============================================================ */
.values-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 48px;
}

.value-card {
  padding: 24px 20px;
  background: var(--surface);
  border: 1px solid rgba(226,232,240,0.88);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.value-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(15,23,42,0.1); }
.value-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  margin-bottom: 12px;
}
.value-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 8px; color: var(--brand-dark); }
.value-card p { font-size: 0.88rem; color: var(--text-soft); line-height: 1.6; }

.slogans-section { margin-bottom: 48px; }

.slogans-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.slogan-card {
  padding: 18px 20px;
  background: linear-gradient(135deg, #eff6ff, #e0f2fe);
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--brand-dark);
  text-align: center;
  transition: all var(--transition);
}
.slogan-card:hover { background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #fff; border-color: transparent; transform: translateY(-2px); }

/* Compare Table */
.compare-table-wrap { overflow-x: auto; border-radius: var(--radius-lg); }

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.compare-table th {
  padding: 14px 18px;
  background: var(--brand-dark);
  color: #fff;
  font-weight: 700;
  text-align: left;
}
.compare-table th:first-child { border-radius: var(--radius-md) 0 0 0; }
.compare-table th:last-child { border-radius: 0 var(--radius-md) 0 0; }
.compare-table td {
  padding: 12px 18px;
  border-bottom: 1px solid rgba(226,232,240,0.7);
  color: var(--text-soft);
}
.compare-table tr:last-child td { border-bottom: 0; }
.compare-table tr:nth-child(odd) td { background: #f8fbff; }
.compare-table .low-col { color: #dc2626; }
.compare-table .pro-col { color: #15803d; font-weight: 700; }

/* ============================================================
   OBJECTIONS
   ============================================================ */
.objections-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.obj-card {
  padding: 20px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-lg);
  color: #fff;
  transition: all var(--transition);
}
.obj-card:hover { background: rgba(255,255,255,0.14); transform: translateY(-3px); }

.obj-q {
  font-size: 0.92rem;
  font-weight: 700;
  color: #fde047;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  line-height: 1.5;
}
.obj-a { font-size: 0.88rem; opacity: 0.85; line-height: 1.65; }

/* ============================================================
   SUMMARY
   ============================================================ */
.summary-box {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding: 48px 40px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(10px);
}
.summary-box h2 { font-size: clamp(1.4rem, 2.5vw, 2rem); font-weight: 800; margin-bottom: 24px; }
.summary-quote {
  font-size: 1.1rem;
  font-style: italic;
  line-height: 1.75;
  opacity: 0.95;
  margin-bottom: 24px;
  padding: 20px 24px;
  background: rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
}
.mantra-box {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 12px 20px;
  background: rgba(255,255,255,0.2);
  border-radius: 999px;
  font-size: 0.95rem;
}

/* ============================================================
   SURVEY
   ============================================================ */
.survey-benefits { display: grid; gap: 10px; margin: 20px 0 28px; }

.survey-benefit {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 0.92rem;
  color: var(--text-soft);
}

.benefit-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  flex-shrink: 0;
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-inner {
  text-align: center;
  padding: 60px 40px;
  max-width: 700px;
  margin: 0 auto;
}
.cta-inner h2 { font-size: clamp(1.6rem, 2.8vw, 2.2rem); font-weight: 800; margin-bottom: 16px; }
.cta-inner p { font-size: 1rem; opacity: 0.85; margin-bottom: 32px; line-height: 1.7; }

.cta-btns {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: rgba(255,255,255,0.97);
  border-top: 1px solid #e2e8f0;
}

.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding: 28px 0;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  width: 220px;
  flex-shrink: 0;
}
.footer-brand img {
  width: 180px;
  height: auto;
  object-fit: contain;
}
.footer-url {
  font-size: 12px;
  color: var(--brand);
  font-weight: 600;
  transition: color var(--transition);
}
.footer-brand:hover .footer-url { color: var(--brand-dark); }

.footer-mid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-contact-items { display: flex; flex-direction: column; gap: 8px; }

.footer-contact-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-soft);
  transition: color var(--transition);
}
.footer-contact-link:hover { color: var(--brand); }
.footer-contact-link svg { flex-shrink: 0; color: var(--brand); }

.footer-socials {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: nowrap;
}

.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #eff6ff;
  color: var(--brand);
  transition: all var(--transition);
  flex-shrink: 0;
}
.social-icon:hover {
  background: var(--brand);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(26,111,232,0.3);
}

.footer-bottom {
  border-top: 1px solid #e2e8f0;
  padding: 16px 0;
  text-align: center;
}
.footer-bottom p { font-size: 0.82rem; color: var(--text-soft); }

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 560ms ease, transform 560ms ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1200px) {
  .cable-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .values-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .scenario-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 1024px) {
  :root { --header-height: 76px; }
  .header-bar {
    grid-template-columns: 220px auto;
    row-gap: 0;
  }
  .nav-links { display: none; }
  .mobile-menu-btn { display: flex; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .section-grid { grid-template-columns: 1fr; }
  .two-col-equal { grid-template-columns: 1fr; }
  .priority-layout { grid-template-columns: 1fr; }
  .personas-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .scenario-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .objections-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .paths-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .container { width: min(var(--container), calc(100% - 20px)); }
  .content-section { padding: 56px 0; }
  .cable-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .shield-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .form-grid { grid-template-columns: 1fr; }
  .app-image-row { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .slogans-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .scenario-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .objections-grid { grid-template-columns: 1fr; }
  .roles-grid { grid-template-columns: 1fr; }
  .personas-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-row { flex-direction: column; align-items: flex-start; }
  .footer-socials { flex-wrap: wrap; }
  .hero-copy { padding: 28px 24px; }
  .summary-box { padding: 32px 24px; }
  .cta-inner { padding: 40px 24px; }
  .header-bar { grid-template-columns: 1fr auto; border-radius: 18px; }
}

@media (max-width: 480px) {
  .cable-cards { grid-template-columns: 1fr; }
  .shield-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .slogans-grid { grid-template-columns: 1fr; }
  .scenario-grid { grid-template-columns: 1fr; }
  .personas-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .cta-btns { flex-direction: column; align-items: center; }
  .btn-crm { display: none; }
}