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

:root {
  --bg: #fafaf8;
  --surface: #f2f1ee;
  --dark: #1a1a18;
  --mid: #4a4a46;
  --muted: #8a8a84;
  --rule: #d8d6d0;
  --accent: #c0392b;
  --accent-lt: #e8ebe6;
  --mono: sans-serif;
  --sans: sans-serif;
  --serif: sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--dark);
  font-family: var(--sans);

  line-height: 1.7;
  overflow-x: hidden;
}

/* ── UTILS ── */
.max {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 3rem;
}

.label {
  font-family: var(--mono);
  font-size: 0.88rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.rule {
  border: none;
  border-top: 1px solid var(--rule);
}

.accent-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--accent);
  color: #fff;
  padding: 0.2rem 0.55rem;
}

/* ── REVEAL ── */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.in {
  opacity: 1;
  transform: none;
}

.d1 {
  transition-delay: 0.08s;
}

.d2 {
  transition-delay: 0.16s;
}

.d3 {
  transition-delay: 0.24s;
}

.d4 {
  transition-delay: 0.32s;
}

/* ════════════════════════════════
       HERO
    ════════════════════════════════ */
.hero {
  background: var(--dark);
  color: #fff;
  padding: 11rem 3rem 9rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(0deg, transparent, transparent 47px, rgba(255, 255, 255, 0.03) 47px, rgba(255, 255, 255, 0.03) 48px), repeating-linear-gradient(90deg, transparent, transparent 47px, rgba(255, 255, 255, 0.03) 47px, rgba(255, 255, 255, 0.03) 48px);
  pointer-events: none;
}

.hero-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 500px;
  gap: 6rem;
  align-items: start;
}

.hero-kicker {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero-kicker span {
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
}

.hero-kicker::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(255, 255, 255, 0.12);
}

.hero h1 {
  font-family: var(--serif);
  font-size: clamp(4.5rem, 7vw, 8rem);
  font-weight: bold;
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
  color: #fff;
}

.hero-sub {
  font-size: 1.38rem;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.6);
  max-width: 620px;
  margin-bottom: 3.5rem;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  padding: 1.2rem 2.4rem;
  font-family: var(--mono);
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: opacity 0.2s;
}

.hero-cta:hover {
  opacity: 0.85;
}

/* hero stats panel */
.hero-panel {
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 3rem;
  background: rgba(255, 255, 255, 0.04);
}

.hero-panel-title {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.35);
  margin-bottom: 1.7rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 1.1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.stat-row:last-child {
  border-bottom: none;
}

.stat-key {
  font-family: var(--mono);
  font-size: 1.3rem;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.05em;
}

.stat-val {
  font-family: var(--mono);
  font-size: 1.2rem;
  font-weight: 500;
  color: #fff;
}

.stat-val.hi {
  color: #e07060;
}

/* ════════════════════════════════
       INTRO / CHALLENGE
    ════════════════════════════════ */
.intro {
  padding: 9rem 0;
  border-bottom: 1px solid var(--rule);
}

.intro-grid {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 6rem;
  align-items: start;
}


.intro-sidebar h2 {
  font-family: var(--serif);
  font-size: 2.9rem;
  font-weight: bold;
  line-height: 1.2;
  margin-bottom: 1.2rem;
}

.intro-sidebar p {
  font-size: 1.4rem;
  color: var(--mid);
  line-height: 1.8;
}


.intro-body p {
  font-size: 1.4rem;
  line-height: 1.9;
  color: var(--mid);
  margin-bottom: 1.6rem;
}

.intro-body p:last-child {
  margin-bottom: 0;
}

.intro-body strong {
  color: var(--dark);
  font-weight: 600;
}

/* ════════════════════════════════
       ARCHITECTURE CALLOUT
    ════════════════════════════════ */
.arch-callout {
  background: var(--dark);
  color: #fff;
  padding: 8rem 0;
}

.arch-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
}

.arch-text .label {
  color: rgba(255, 255, 255, 0.35);
  margin-bottom: 1rem;
}

.arch-text h2 {
  font-family: var(--serif);
  font-size: 3rem;
  font-weight: bold;
  line-height: 1.2;
  margin-bottom: 1.75rem;
  color: #fff;
}

.arch-text p {
  font-size: 1.4rem;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 1.2rem;
}

.arch-text p:last-child {
  margin-bottom: 0;
}

.arch-diagram {
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 2.5rem;
}

.arch-diagram .diag-label {
  font-family: var(--mono);
  font-size: 1rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.3);
  margin-bottom: 2rem;
}

.diag-layer {
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 1rem 1.25rem;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--mono);
  font-size: 1.2em;
  color: rgba(255, 255, 255, 0.7);
}

.diag-layer.active {
  border-color: var(--accent);
  background: rgba(192, 57, 43, 0.08);
  color: #fff;
}

.diag-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  flex-shrink: 0;
}

.diag-dot.red {
  background: var(--accent);
}

.diag-arrow {
  text-align: center;
  font-family: var(--mono);
  font-size: 1em;
  color: rgba(255, 255, 255, 0.2);
  padding: 0.25rem 0;
  margin-bottom: 0.5rem;
}

/* ════════════════════════════════
       FEATURES
    ════════════════════════════════ */
.features {
  padding: 9rem 0;
  border-bottom: 1px solid var(--rule);
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 4.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--rule);
}

.section-header h2 {
  font-family: var(--serif);
  font-size: 3.1rem;
  font-weight: bold;
  line-height: 1.1;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--rule);
}

.feature-item {
  padding: 3rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  position: relative;
}

.feature-item:nth-child(3n) {
  border-right: none;
}

.feature-item:nth-last-child(-n+3) {
  border-bottom: none;
}

.feature-num {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  margin-bottom: 0.9rem;
}

.feature-item h3 {
  font-family: var(--sans);
  font-size: 1.7rem;
  font-weight: 600;
  margin-bottom: 0.9rem;
  line-height: 1.3;
}

.feature-item p {
  font-size: 1.3rem;
  color: var(--mid);
  line-height: 1.82;
}

.feature-item:hover {
  background: var(--surface);
}

/* ════════════════════════════════
       SD-LAN SERVICE
    ════════════════════════════════ */
.sdlan {
  padding: 9rem 0;
  background: var(--surface);
  border-bottom: 1px solid var(--rule);
}

.sdlan-header {
  margin-bottom: 3.5rem;
}

.sdlan-header h2 {
  font-family: var(--serif);
  font-size: 3.1rem;
  font-weight: bold;
  margin-top: 0.6rem;
}

.sdlan-header p {
  font-size: 1.7rem;
  color: var(--mid);
  max-width: 860px;
  margin-top: 1.2rem;
  line-height: 1.85;
}

.sdlan-pillars {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--rule);
}

.pillar {
  background: var(--bg);
  padding: 2.75rem 2.5rem;
}

.pillar-icon {
  width: 38px;
  height: 38px;
  border: 1px solid var(--rule);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--accent);
}

.pillar h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.pillar p {
  font-size: 1.4rem;
  color: var(--mid);
  line-height: 1.78;
}

/* ════════════════════════════════
       CAPABILITIES TABLE
    ════════════════════════════════ */
.capabilities {
  padding: 9rem 0;
  border-bottom: 1px solid var(--rule);
}

.cap-table-wrap {
  overflow-x: auto;
}

.cap-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.cap-table thead tr {
  border-bottom: 2px solid var(--dark);
}

.cap-table thead th {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--muted);
  text-align: left;
  padding: 1rem 1.25rem;
}

.cap-table thead th:first-child {
  padding-left: 0;
}

.cap-table tbody tr {
  border-bottom: 1px solid var(--rule);
}

.cap-table tbody tr:hover {
  background: var(--surface);
}

.cap-table tbody td {
  padding: 1.1rem 1.25rem;
  vertical-align: top;
  color: var(--mid);
  line-height: 1.65;
}

.cap-table tbody td:first-child {
  font-weight: 600;
  color: var(--dark);
  font-size: 0.95rem;
  white-space: nowrap;
  padding-left: 0;
}

.cap-table ul {
  list-style: none;
}

.cap-table ul li {
  padding-left: 1rem;
  position: relative;
  margin-bottom: 0.25rem;
  font-size: 0.9rem;
}

.cap-table ul li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--muted);
}

/* ════════════════════════════════
       APPLIANCES
    ════════════════════════════════ */
.appliances {
  padding: 7rem 0;
  border-bottom: 1px solid var(--rule);
}

.appliance-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--rule);
}

.appliance {
  background: var(--bg);
  padding: 3rem;
}

.appliance-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 2.25rem;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--rule);
}

.appliance h3 {
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: bold;
  line-height: 1.1;
}

.appliance-sku {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  background: var(--surface);
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--rule);
  white-space: nowrap;
}

.spec-table {
  width: 100%;
}

.spec-table tr {
  border-bottom: 1px solid var(--rule);
}

.spec-table tr:last-child {
  border-bottom: none;
}

.spec-table td {
  padding: 0.8rem 0;
  font-size: 0.9rem;
  vertical-align: top;
}

.spec-table td:first-child {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  width: 150px;
  padding-right: 1.25rem;
  white-space: nowrap;
}

.spec-table td:last-child {
  color: var(--dark);
}

.throughput-badge {
  display: inline-block;
  background: var(--dark);
  color: #fff;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.8rem;
  margin-top: 2rem;
}

/* ════════════════════════════════
       VIRTUAL EDGE REQUIREMENTS
    ════════════════════════════════ */
.virtual {
  padding: 9rem 0;
  background: var(--surface);
  border-bottom: 1px solid var(--rule);
}

.virtual-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.virtual h2 {
  font-family: var(--serif);
  font-size: 2.4rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
}

.virtual-intro {
  font-size: 1.4rem;
  color: var(--mid);
  line-height: 1.8;
  margin-bottom: 2.25rem;
}

.req-table {
  width: 100%;
  border-collapse: collapse;
}

.req-table tr {
  border-bottom: 1px solid var(--rule);
}

.req-table tr:last-child {
  border-bottom: none;
}

.req-table td {
  padding: 0.85rem 0;
  font-size: 1.7rem;
  vertical-align: top;
}

.req-table td:first-child {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  width: 170px;
  white-space: nowrap;
}

.req-table td:last-child {
  color: var(--dark);
}

/* ════════════════════════════════
       ORDERING
    ════════════════════════════════ */
.ordering {
  padding: 9rem 0;
  border-bottom: 1px solid var(--rule);
}

.ordering h2 {
  font-family: var(--serif);
  font-size: 2.6rem;
  font-weight: bold;
}

.order-section {
  margin-bottom: 3.5rem;
}

.order-section-title {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 0;
}

.order-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2.5rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--rule);
  align-items: start;
}

.order-sku {
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--dark);
}

.order-desc {
  font-size: 0.92rem;
  color: var(--mid);
  line-height: 1.7;
}

.order-desc strong {
  color: var(--dark);
  font-weight: 600;
}

/* power cords grid */
.cords-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--rule);
  margin-top: 0;
}

.cord-item {
  background: var(--bg);
  padding: 1.1rem 1.25rem;
}

.cord-sku {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

.cord-region {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--dark);
}

/* ════════════════════════════════
       BENEFITS STRIP
    ════════════════════════════════ */
.benefits-strip {
  padding: 7rem 0;
  background: var(--dark);
  color: #fff;
}

.benefits-strip .label {
  color: rgba(255, 255, 255, 0.3);
  margin-bottom: 1.7rem;
}

.benefits-strip h2 {
  font-family: var(--serif);
  font-size: 2.6rem;
  font-weight: bold;
  color: #fff;
  margin-bottom: 3rem;
}

.benefits-cols {
  columns: 2;
  column-gap: 5rem;
}

.benefit-entry {
  break-inside: avoid;
  padding: 1.7rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  gap: 1.7rem;
  align-items: start;
}

.benefit-entry:last-child {
  border-bottom: none;
}

.benefit-num {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--accent);
  padding-top: 0.15rem;
  flex-shrink: 0;
  width: 28px;
}

.benefit-body h4 {
  font-size: 2rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.4rem;
}

.benefit-body p {
  font-size: 1.7rem;
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.7;
}

/* ════════════════════════════════
       ABOUT / FOOTER CTA
    ════════════════════════════════ */
.page-footer-cta {
  padding: 5rem 0;
  border-top: 2px solid var(--dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
}

.page-footer-cta p {
  font-size: 1rem;
  color: var(--mid);
  max-width: 640px;
  line-height: 1.75;
}

.page-footer-cta a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--dark);
  color: #fff;
  text-decoration: none;
  padding: 1rem 2rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: background 0.2s;
  flex-shrink: 0;
}

.page-footer-cta a:hover {
  background: var(--accent);
}

/* ════════════════════════════════
       RESPONSIVE
    ════════════════════════════════ */
@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-panel {
    display: none;
  }

  .intro-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .arch-inner {
    grid-template-columns: 1fr;
  }

  .features-grid {
    grid-template-columns: 1fr 1fr;
  }

  .feature-item:nth-child(3n) {
    border-right: 1px solid var(--rule);
  }

  .feature-item:nth-child(2n) {
    border-right: none;
  }

  .sdlan-pillars {
    grid-template-columns: repeat(3, 1fr);
  }

  .appliance-pair {
    grid-template-columns: 1fr;
  }

  .virtual-grid {
    grid-template-columns: 1fr;
  }

  .cords-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .benefits-cols {
    columns: 1;
  }

  .page-footer-cta {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .features-grid {
    grid-template-columns: 1fr;
  }

  .sdlan-pillars {
    grid-template-columns: 1fr 1fr;
  }

  .cords-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .order-row {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}

/* ── MINI CONTACT CTA ── */
.mini-cta {
  border-top: 1px solid var(--rule);
  padding: 2rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  background: var(--surface);
}

.mini-cta p {
  font-size: 1.1em;
  color: var(--mid);
  margin: 0;
}

.mini-cta a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #2a4ca0;
  color: #fff;
  font-family: var(--mono);
  font-size: 1.1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.85rem 1.7rem;
  white-space: nowrap;
  transition: opacity 0.2s;
}

.mini-cta a:hover {
  opacity: 0.85;
}

@media (max-width: 700px) {
  .mini-cta {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.7rem 1.7rem;
  }
}