/* ═══════════════════════════════════════════════
   DMON V 1.0 — DCUBE AI
   Complete redesign: editorial dark theme
   ═══════════════════════════════════════════════ */

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: .55; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}

@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

:root {
  --bg:           #06090d;
  --bg-elevated:  #0c1118;
  --bg-card:      #111921;
  --bg-card-hover:#161f2b;
  --surface:      #1a2332;
  --text:         #e8edf3;
  --text-muted:   #7b8fa6;
  --text-dim:     #4a5d74;
  --accent:       #00e5c3;
  --accent-dim:   #00c4a7;
  --accent-glow:  rgba(0, 229, 195, .10);
  --accent-glow2: rgba(0, 229, 195, .06);
  --gold:         #f0c247;
  --red:          #ff5c5c;
  --border:       rgba(255,255,255,.06);
  --border-hover: rgba(255,255,255,.12);
  --border-accent:rgba(0,229,195,.25);
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body:    "Inter", system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", "Fira Code", monospace;
  --radius:       12px;
  --radius-lg:    20px;
  --radius-xl:    28px;
  --header-h:     68px;
  --shadow-sm:    0 2px 8px rgba(0,0,0,.2);
  --shadow-md:    0 8px 32px rgba(0,0,0,.3);
  --shadow-lg:    0 20px 60px rgba(0,0,0,.45);
  --shadow-glow:  0 0 40px rgba(0,229,195,.12);
  --transition:   .25s cubic-bezier(.4,0,.2,1);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-dim); }

.wrap { width: min(1200px, 100% - 2.5rem); margin-inline: auto; }
.wrap-narrow { width: min(900px, 100% - 2.5rem); margin-inline: auto; }

/* ═══ SCROLL REVEAL ═══ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .7s cubic-bezier(.4,0,.2,1), transform .7s cubic-bezier(.4,0,.2,1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ═══ HEADER ═══ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  border-bottom: 1px solid transparent;
  background: rgba(6,9,13,.6);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  backdrop-filter: blur(20px) saturate(1.4);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.site-header.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 4px 30px rgba(0,0,0,.35);
  background: rgba(6,9,13,.88);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}

.logo {
  display: flex;
  align-items: center;
  gap: .6rem;
  text-decoration: none;
  flex-shrink: 0;
}
.logo:hover { text-decoration: none; opacity: .9; }

.logo-img {
  height: 42px;
  width: auto;
  max-width: min(200px, 40vw);
  object-fit: contain;
  object-position: left center;
  filter: drop-shadow(0 0 8px rgba(0,229,195,.2));
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  letter-spacing: -.025em;
  white-space: nowrap;
}

.logo-text .ver {
  color: var(--accent);
  font-weight: 600;
  font-size: .8em;
  margin-left: .2em;
}

/* Nav */
.nav { display: flex; align-items: center; gap: .15rem; }

.nav a {
  color: var(--text-muted);
  font-size: .85rem;
  font-weight: 500;
  text-decoration: none;
  padding: .4rem .8rem;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
  position: relative;
}

.nav a:hover { color: var(--text); background: rgba(255,255,255,.04); }

.nav a.active {
  color: var(--accent);
  font-weight: 600;
}

.nav a.active::after {
  content: "";
  position: absolute;
  bottom: -.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.nav-cta {
  margin-left: .6rem;
  padding: .45rem 1.1rem !important;
  border-radius: 999px !important;
  background: var(--accent) !important;
  color: var(--bg) !important;
  font-weight: 600 !important;
  font-size: .82rem !important;
  letter-spacing: -.01em;
  box-shadow: 0 2px 12px rgba(0,229,195,.2);
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition) !important;
}
.nav-cta:hover {
  background: var(--accent-dim) !important;
  color: var(--bg) !important;
  box-shadow: 0 4px 20px rgba(0,229,195,.3);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .2s, opacity .2s; }

.nav-toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    gap: .25rem;
    background: rgba(12,17,24,.97);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    transform: translateY(-110%);
    opacity: 0;
    visibility: hidden;
    transition: transform .3s cubic-bezier(.4,0,.2,1), opacity .3s, visibility .3s;
  }

  .nav.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav a { padding: .9rem 1rem; border-radius: 10px; font-size: .95rem; }
  .nav a.active::after { display: none; }
  .nav a:hover { background: var(--bg-card); }
  .nav-cta { text-align: center; margin: .5rem 0 0 0 !important; }
}

/* ═══ HERO (Home) ═══ */
.hero {
  position: relative;
  padding: clamp(5rem, 12vw, 8rem) 0 clamp(5rem, 12vw, 8rem);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 140%;
  height: 100%;
  background: radial-gradient(ellipse 50% 60% at 50% 20%, rgba(0,229,195,.1), transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-accent), transparent);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-copy { display: flex; flex-direction: column; align-items: center; }
  .hero-actions { justify-content: center; }
}

.hero-copy { animation: fadeUp .8s ease both; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .18em;
  color: var(--accent);
  margin: 0 0 1.25rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -.04em;
  line-height: 1.05;
  margin: 0 0 1.5rem;
}

.hero-version { color: var(--accent); }

.hero-lead {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 42ch;
  margin: 0 0 2.5rem;
  line-height: 1.75;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-bottom: 1.75rem; }

.hero-meta { font-size: .85rem; color: var(--text-dim); margin: 0; }
.hero-meta a { color: var(--text-muted); }
.hero-meta a:hover { color: var(--accent); }

.hero-visual {
  display: flex;
  justify-content: center;
  animation: fadeUp .8s .15s ease both;
}

.hero-product-img {
  display: block;
  width: 100%;
  max-width: 580px;
  height: auto;
  border-radius: var(--radius-xl);
  filter: drop-shadow(0 30px 80px rgba(0,229,195,.12)) drop-shadow(0 20px 50px rgba(0,0,0,.6));
  animation: float 6s ease-in-out infinite;
  transition: opacity .4s ease;
}

/* ═══ PAGE HERO (sub-pages) ═══ */
.page-hero {
  position: relative;
  padding: clamp(4rem, 10vw, 6rem) 0 clamp(3rem, 6vw, 4rem);
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  top: -40%;
  left: 20%;
  width: 80%;
  height: 120%;
  background: radial-gradient(ellipse 60% 50% at 30% 30%, rgba(0,229,195,.08), transparent 70%);
  pointer-events: none;
}

.page-hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.page-hero .wrap { position: relative; }
.page-hero .eyebrow { margin-bottom: .75rem; }

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5.5vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1.1;
  margin: 0 0 1rem;
  animation: fadeUp .6s ease both;
}

.page-hero .lead {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 56ch;
  margin: 0;
  line-height: 1.7;
  animation: fadeUp .6s .1s ease both;
}

/* ═══ BUTTONS ═══ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  padding: .72rem 1.6rem;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .88rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.btn:active { transform: scale(.97); }

.btn-primary {
  background: var(--accent);
  color: var(--bg);
  box-shadow: 0 4px 20px rgba(0,229,195,.25);
}
.btn-primary:hover {
  background: var(--accent-dim);
  color: var(--bg);
  text-decoration: none;
  box-shadow: 0 6px 28px rgba(0,229,195,.35);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-hover);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
  background: rgba(0,229,195,.04);
}

.btn-wide { width: 100%; max-width: 280px; }

/* ═══ SECTIONS ═══ */
.section { padding: clamp(4rem, 8vw, 6rem) 0; position: relative; }

.section-alt { background: var(--bg-elevated); }

.section-alt::before,
.section-alt::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}
.section-alt::before { top: 0; }
.section-alt::after  { bottom: 0; }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -.025em;
  line-height: 1.15;
  margin: 0 0 .75rem;
}

.section-intro {
  color: var(--text-muted);
  max-width: 60ch;
  margin: 0 0 2.5rem;
  font-size: 1.05rem;
  line-height: 1.75;
}

/* ═══ CARDS ═══ */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.cards-trio { grid-template-columns: repeat(3, 1fr); }
.cards-mt { margin-top: 1rem; }

@media (max-width: 900px)  { .cards-trio { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px)  { .cards, .cards-trio { grid-template-columns: 1fr; } }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md), var(--shadow-glow);
  transform: translateY(-3px);
}
.card:hover::before { opacity: 1; }

.card .card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent-glow), rgba(0,229,195,.02));
  border: 1px solid rgba(0,229,195,.12);
  color: var(--accent);
  font-size: 1.3rem;
  margin-bottom: 1.15rem;
  flex-shrink: 0;
}

.card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 .5rem;
  color: var(--text);
  letter-spacing: -.01em;
}

.card p {
  margin: 0;
  color: var(--text-muted);
  font-size: .9rem;
  line-height: 1.65;
}

/* ═══ PROTOCOL GRID ═══ */
.protocol-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: .75rem;
}

.protocol-grid li {
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: .82rem;
  text-align: center;
  letter-spacing: .06em;
  color: var(--text);
  transition: all var(--transition);
}

.protocol-grid li:hover {
  border-color: var(--accent);
  background: rgba(0,229,195,.04);
  box-shadow: 0 0 20px rgba(0,229,195,.08);
}

/* ═══ SPEC TABLE ═══ */
.spec-table { margin: 0; max-width: 660px; }

.spec-table > div {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 1.5rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.spec-table > div:last-child { border-bottom: none; }
.spec-table dt { margin: 0; font-weight: 600; color: var(--text-dim); font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; font-family: var(--font-mono); }
.spec-table dd { margin: 0; font-size: .95rem; }

@media (max-width: 480px) { .spec-table > div { grid-template-columns: 1fr; gap: .25rem; } }

/* ═══ SUBSECTION / CHECK LIST ═══ */
.subsection-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -.01em;
  margin: 2.5rem 0 .75rem;
}

.check-list { margin: 0; padding: 0; list-style: none; max-width: 50ch; }

.check-list li {
  padding: .45rem 0 .45rem 1.75rem;
  position: relative;
  color: var(--text-muted);
  font-size: .92rem;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .75rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px rgba(0,229,195,.3);
}

/* ═══ PILL LIST ═══ */
.pill-list { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .5rem; }

.pill-list li {
  padding: .45rem 1.1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 500;
  font-family: var(--font-mono);
  letter-spacing: .02em;
  transition: all var(--transition);
}

.pill-list li:hover {
  border-color: var(--accent);
  background: rgba(0,229,195,.04);
}

/* ═══ SHOWCASE (case studies) ═══ */
.showcase {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 3rem;
  align-items: start;
  margin-top: 2rem;
}

@media (max-width: 800px) { .showcase { grid-template-columns: 1fr; } }

.showcase-img-wrap {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  line-height: 0;
  position: relative;
}

.showcase-img-wrap::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  box-shadow: inset 0 0 60px rgba(0,229,195,.06);
  pointer-events: none;
  z-index: 1;
}

.showcase-img { width: 100%; height: auto; }

.showcase-cta { margin-top: 1.5rem; }

.showcase-details h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -.01em;
  margin: 0 0 .75rem;
}

/* ═══ PATENT BLOCK ═══ */
.patent-block {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 3rem;
  align-items: start;
}

@media (max-width: 800px) { .patent-block { grid-template-columns: 1fr; } }

.patent-img-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  line-height: 0;
  background: #f7f3e8;
}

.patent-img { width: 100%; height: auto; }

.patent-copy .section-title { margin-top: .25rem; }
.patent-copy .spec-table { margin-top: 1.25rem; }

/* ═══ HARDWARE GALLERY ═══ */
/* Hardware showcase */
.hw-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
  margin-top: 2rem;
}

@media (max-width: 800px) { .hw-showcase { grid-template-columns: 1fr; } }

.hw-gallery { display: flex; flex-direction: column; align-items: center; gap: 1rem; }

.hw-hero-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 400px;
  aspect-ratio: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  cursor: zoom-in;
  transition: all var(--transition);
  overflow: hidden;
}

.hw-hero-link:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.hw-hero-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform .4s cubic-bezier(.4,0,.2,1);
}

.hw-hero-link:hover .hw-hero-img { transform: scale(1.05); }

.hw-thumbs { display: flex; gap: .6rem; }

.hw-thumb {
  width: 64px;
  height: 64px;
  padding: .4rem;
  border-radius: var(--radius);
  border: 2px solid var(--border);
  background: var(--bg-card);
  cursor: pointer;
  transition: all var(--transition);
  overflow: hidden;
}

.hw-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.hw-thumb:hover { border-color: var(--border-hover); }

.hw-thumb.is-active {
  border-color: var(--accent);
  box-shadow: 0 0 12px rgba(0,229,195,.2);
}

.hw-hint {
  font-size: .72rem;
  color: var(--text-dim);
  margin: 0;
  font-family: var(--font-mono);
  letter-spacing: .04em;
  text-transform: uppercase;
}

.hw-details { display: flex; flex-direction: column; gap: 1.75rem; }

.hw-spec-group h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -.01em;
  margin: 0 0 .75rem;
  color: var(--text);
}

.hw-conn-pills { display: flex; flex-wrap: wrap; gap: .5rem; }

.hw-pill {
  padding: .45rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--accent);
  letter-spacing: .02em;
  transition: all var(--transition);
}

.hw-pill:hover {
  border-color: var(--accent);
  background: rgba(0,229,195,.04);
}

/* ═══ PRICING ═══ */
.pricing-section { text-align: center; }

.pricing-inner .section-title,
.pricing-inner .section-intro { margin-left: auto; margin-right: auto; }

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
  text-align: left;
}

@media (max-width: 700px) { .pricing-grid { grid-template-columns: 1fr; } }

.pricing-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.pricing-step {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .88rem;
  font-weight: 500;
  color: var(--text-muted);
}

.pricing-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg);
  font-size: .8rem;
  font-weight: 700;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0,229,195,.3);
}

.pricing-step-arrow { color: var(--text-dim); font-size: 1.25rem; }

@media (max-width: 500px) {
  .pricing-step-arrow { display: none; }
  .pricing-steps { flex-direction: column; gap: .5rem; }
}

.pricing-cta { margin-top: 2rem; text-align: center; }

.price-card {
  display: flex;
  flex-direction: column;
  padding: 2.25rem 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}

.price-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transform: translateY(-3px);
}

.price-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 0%, var(--accent-glow), transparent);
  pointer-events: none;
}

.price-card-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 .75rem;
  color: var(--text);
  position: relative;
}

.price-includes { margin-top: 1.25rem; max-width: none; }

.price-highlight {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0 0 .5rem;
  position: relative;
}

.price-badge {
  display: inline-block;
  margin: 0 0 1rem;
  padding: .35rem .85rem;
  background: rgba(0,229,195,.12);
  color: var(--accent);
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  border-radius: 999px;
  position: relative;
  font-family: var(--font-mono);
}

.price-strike {
  margin: 0;
  font-size: 1.15rem;
  color: var(--text-dim);
  text-decoration: line-through;
  position: relative;
}

.price-current {
  margin: .25rem 0 .75rem;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -.03em;
  color: var(--text);
  position: relative;
}

.price-current .currency { font-size: .55em; vertical-align: super; opacity: .8; }
.price-current .suffix { font-size: .42em; font-weight: 600; opacity: .65; color: var(--text-muted); }

.price-note {
  margin: 0 0 1.75rem;
  color: var(--text-muted);
  font-size: .85rem;
  position: relative;
  line-height: 1.6;
}

/* ═══ CTA SECTION ═══ */
.cta-section { padding-bottom: clamp(4rem, 8vw, 5.5rem); }

.cta-box {
  text-align: center;
  padding: 3.5rem 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 60% at 50% 0%, rgba(0,229,195,.08), transparent),
    radial-gradient(ellipse 40% 40% at 80% 100%, rgba(0,229,195,.04), transparent);
  pointer-events: none;
}

.cta-box::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.cta-box h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  letter-spacing: -.025em;
  margin: 0 0 .6rem;
  position: relative;
}

.cta-box > p {
  margin: 0 0 2rem;
  color: var(--text-muted);
  font-size: 1.05rem;
  position: relative;
}

.cta-actions { display: flex; flex-wrap: wrap; gap: .75rem; justify-content: center; position: relative; }

/* ═══ FOOTER ═══ */
.site-footer {
  position: relative;
  padding: 4rem 0 2.5rem;
  background: var(--bg-elevated);
  text-align: center;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: .3;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-brand { line-height: 0; }

.footer-logo-link { display: inline-block; line-height: 0; }
.footer-logo-link:hover { opacity: .85; }

.footer-logo {
  height: 38px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  filter: drop-shadow(0 0 6px rgba(0,229,195,.18));
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .4rem;
}

.footer-nav a {
  color: var(--text-muted);
  font-size: .85rem;
  font-weight: 500;
  padding: .4rem .85rem;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}

.footer-nav a:hover {
  color: var(--accent);
  background: rgba(0,229,195,.04);
}

.footer-nav-sep {
  color: var(--text-dim);
  font-size: .7rem;
  align-self: center;
  opacity: .4;
  -webkit-user-select: none;
  user-select: none;
}

.footer-contact-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: .5rem 1.5rem;
  font-size: .82rem;
  color: var(--text-dim);
}

.footer-contact-row a {
  color: var(--text-muted);
  transition: color var(--transition);
}
.footer-contact-row a:hover { color: var(--accent); }

.footer-address {
  font-size: .82rem;
  color: var(--text-dim);
  font-style: normal;
  letter-spacing: .01em;
}

.footer-bottom {
  margin: 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: .75rem;
  color: var(--text-dim);
  letter-spacing: .02em;
}

/* ═══ STATS ROW ═══ */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

@media (max-width: 640px) { .stats-row { grid-template-columns: repeat(2, 1fr); } }

.stat {
  text-align: center;
  padding: 1.5rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.stat:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
  letter-spacing: -.03em;
}

.stat-label {
  font-size: .78rem;
  color: var(--text-dim);
  margin-top: .35rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-family: var(--font-mono);
}

/* ═══ ORDER CALCULATOR ═══ */
.calc-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 2.5rem;
  align-items: start;
}

@media (max-width: 900px) { .calc-layout { grid-template-columns: 1fr; } }

.calc-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  margin-bottom: 1.5rem;
  position: relative;
  overflow: hidden;
}

.calc-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: .5;
}

.calc-step-badge {
  display: inline-block;
  margin: 0 0 1rem;
  padding: .35rem .85rem;
  background: rgba(0,229,195,.12);
  color: var(--accent);
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  border-radius: 999px;
  position: relative;
  font-family: var(--font-mono);
}

.calc-step-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -.02em;
  margin: 0 0 .5rem;
  position: relative;
}

.calc-step-desc {
  color: var(--text-muted);
  font-size: .9rem;
  margin: 0 0 1.5rem;
  max-width: 50ch;
  position: relative;
}

.calc-field { position: relative; }

.calc-label {
  display: block;
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-dim);
  margin-bottom: .75rem;
  font-family: var(--font-mono);
}

.calc-stepper {
  display: inline-flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--border-hover);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-elevated);
}

.stepper-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 1.2rem;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-body);
}

.stepper-btn:hover { background: var(--accent-glow); color: var(--accent); }

.stepper-input {
  width: 64px;
  height: 46px;
  border: none;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  text-align: center;
  -moz-appearance: textfield;
  appearance: textfield;
}

.stepper-input::-webkit-inner-spin-button,
.stepper-input::-webkit-outer-spin-button { -webkit-appearance: none; appearance: none; margin: 0; }

.calc-field-note {
  margin: .75rem 0 0;
  font-size: .82rem;
  color: var(--text-muted);
  position: relative;
}

.price-strike-inline { text-decoration: line-through; opacity: .5; }

/* Device sliders */
.device-sliders { display: flex; flex-direction: column; gap: 1.25rem; position: relative; }

.device-slider-row {
  display: grid;
  grid-template-columns: 150px 1fr 48px;
  align-items: center;
  gap: 1rem;
}

@media (max-width: 500px) {
  .device-slider-row { grid-template-columns: 110px 1fr 40px; gap: .5rem; }
}

.device-label {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .88rem;
  font-weight: 500;
  color: var(--text);
}

.device-icon { font-size: 1.1rem; flex-shrink: 0; width: 1.5rem; text-align: center; }

.device-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--surface);
  outline: none;
  cursor: pointer;
}

.device-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(0,229,195,.4);
  transition: transform var(--transition), box-shadow var(--transition);
}

.device-range::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 4px 20px rgba(0,229,195,.5);
}

.device-range::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border: none;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(0,229,195,.4);
}

.device-count {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  text-align: right;
  min-width: 2ch;
}

.device-total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  position: relative;
}

.device-total-label { font-size: .88rem; font-weight: 600; color: var(--text); }

.device-total-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}

.calc-min-note {
  margin: .5rem 0 0;
  font-size: .78rem;
  color: var(--text-dim);
  position: relative;
  transition: color .2s;
  font-family: var(--font-mono);
}

.calc-min-note.warn { color: var(--red); }

/* Summary card */
.calc-summary { position: sticky; top: calc(var(--header-h) + 1.5rem); }

@media (max-width: 900px) { .calc-summary { position: static; } }

.calc-summary-inner {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.calc-summary-inner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), rgba(0,229,195,.2), var(--accent));
  background-size: 200% 100%;
  animation: gradientShift 3s ease infinite;
}

.calc-summary-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -.01em;
  margin: 0 0 1.5rem;
  position: relative;
}

.summary-line-group { margin-bottom: 1rem; position: relative; }

.summary-group-label {
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text-dim);
  margin: 0 0 .5rem;
  font-family: var(--font-mono);
}

.summary-line {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: .9rem;
  padding: .3rem 0;
  position: relative;
}

.summary-divider {
  height: 1px;
  background: var(--border);
  margin: 1rem 0;
  position: relative;
}

.summary-total { font-weight: 700; font-size: 1.05rem; }

.summary-total span:last-child {
  font-family: var(--font-display);
  color: var(--accent);
  font-size: 1.15rem;
}

.summary-daily { font-size: .82rem; color: var(--text-muted); }
.summary-daily span:last-child { color: var(--accent); font-weight: 600; }

.summary-includes { margin-bottom: 1.5rem; position: relative; }
.summary-includes .check-list { max-width: none; }
.summary-includes .check-list li { padding: .3rem 0 .3rem 1.5rem; font-size: .82rem; }

.calc-cta { margin-top: 0; width: 100%; max-width: none; text-align: center; position: relative; }

.calc-cta-note {
  margin: .75rem 0 0;
  font-size: .78rem;
  color: var(--text-dim);
  text-align: center;
  position: relative;
}

/* ═══ LIGHTBOX ═══ */
.lightbox-trigger {
  display: block;
  cursor: zoom-in;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.lightbox-trigger img { transition: transform var(--transition), filter var(--transition); }

.lightbox-trigger:hover img {
  transform: scale(1.03);
  filter: brightness(1.1);
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.88);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s ease, visibility .3s ease;
  cursor: zoom-out;
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 88vh;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  transform: scale(.92);
  transition: transform .35s cubic-bezier(.4,0,.2,1);
}

.lightbox.is-open .lightbox-img {
  transform: scale(1);
}

.lightbox-close {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 50%;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  z-index: 1;
}

.lightbox-close:hover {
  background: rgba(255,255,255,.2);
  transform: scale(1.1);
}

/* ═══ MOBILE RESPONSIVE ═══ */

/* Tablets */
@media (max-width: 900px) {
  .hero { padding: clamp(3.5rem, 8vw, 5rem) 0; }
  .hero-grid { gap: 2.5rem; }
  .hero-product-img { max-width: 420px; animation: none; }
  .showcase { gap: 2rem; }
  .patent-block { gap: 2rem; }
  .hw-showcase { gap: 2rem; }
  .cta-box { padding: 2.5rem 1.5rem; }
  .price-card { padding: 1.75rem 1.5rem; }
  .calc-step { padding: 1.5rem; }
  .calc-summary-inner { padding: 1.5rem; }
  .footer-inner { gap: 1.5rem; margin-bottom: 1.5rem; }
}

/* Mobile */
@media (max-width: 640px) {
  :root {
    --header-h: 60px;
    --radius-xl: 18px;
    --radius-lg: 14px;
  }

  .wrap { width: min(1200px, 100% - 1.5rem); }

  /* Header */
  .logo-img { height: 34px; }

  /* Hero */
  .hero { padding: 3rem 0; }
  .hero h1 { font-size: 2.25rem; }
  .hero-lead { font-size: 1rem; margin-bottom: 2rem; }
  .hero-product-img { max-width: 320px; }
  .hero-actions { gap: .5rem; }
  .hero-actions .btn { width: 100%; text-align: center; }

  /* Page hero */
  .page-hero { padding: 2.5rem 0 2rem; }
  .page-hero h1 { font-size: 1.75rem; }
  .page-hero .lead { font-size: .95rem; }

  /* Sections */
  .section { padding: 3rem 0; }
  .section-title { font-size: 1.5rem; }
  .section-intro { font-size: .95rem; margin-bottom: 1.75rem; }
  .eyebrow { font-size: .65rem; margin-bottom: 1rem; }

  /* Cards */
  .card { padding: 1.25rem; }
  .card .card-icon { width: 40px; height: 40px; font-size: 1.1rem; border-radius: 11px; margin-bottom: .85rem; }
  .card h3 { font-size: .95rem; }
  .card p { font-size: .85rem; }

  /* Stats */
  .stats-row { gap: .75rem; margin-top: 1rem; }
  .stat { padding: 1rem .75rem; }
  .stat-value { font-size: 1.5rem; }
  .stat-label { font-size: .68rem; }

  /* Protocol grid */
  .protocol-grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: .5rem; }
  .protocol-grid li { padding: .75rem .5rem; font-size: .75rem; }

  /* Spec table */
  .spec-table > div { grid-template-columns: 1fr; gap: .2rem; padding: .75rem 0; }
  .spec-table dt { font-size: .72rem; }
  .spec-table dd { font-size: .88rem; }

  /* Showcase */
  .showcase { gap: 1.5rem; }
  .showcase-details h3 { font-size: 1rem; }

  /* Patent */
  .patent-block { gap: 1.5rem; }
  .patent-img-wrap { max-width: 200px; margin-inline: auto; }

  /* Hardware showcase */
  .hw-hero-link { max-width: 280px; padding: 1rem; }
  .hw-thumb { width: 52px; height: 52px; padding: .3rem; }
  .hw-spec-group h3 { font-size: .92rem; }
  .hw-pill { font-size: .75rem; padding: .35rem .75rem; }

  /* Pricing */
  .pricing-steps { gap: .5rem; }
  .pricing-step { font-size: .8rem; }
  .price-card { padding: 1.5rem 1.25rem; }
  .price-current { font-size: 2rem; }
  .price-badge { font-size: .6rem; }
  .price-note { font-size: .8rem; }

  /* CTA */
  .cta-box { padding: 2rem 1.25rem; }
  .cta-box h2 { font-size: 1.3rem; }
  .cta-box > p { font-size: .92rem; }
  .cta-actions { flex-direction: column; align-items: center; }
  .cta-actions .btn { width: 100%; max-width: 280px; }

  /* Calculator */
  .calc-step { padding: 1.25rem; margin-bottom: 1rem; }
  .calc-step-title { font-size: 1.15rem; }
  .calc-step-desc { font-size: .85rem; }
  .stepper-btn { width: 40px; height: 40px; }
  .stepper-input { width: 52px; height: 40px; font-size: 1rem; }
  .device-slider-row { grid-template-columns: 100px 1fr 36px; gap: .4rem; }
  .device-label { font-size: .8rem; gap: .35rem; }
  .device-icon { font-size: .95rem; width: 1.25rem; }
  .device-count { font-size: .88rem; }
  .device-total-value { font-size: 1.25rem; }
  .calc-summary-inner { padding: 1.25rem; }
  .calc-summary-title { font-size: 1.05rem; }
  .summary-line { font-size: .82rem; }
  .summary-total { font-size: .95rem; }
  .summary-total span:last-child { font-size: 1.05rem; }

  /* Footer */
  .site-footer { padding: 2.5rem 0 1.5rem; }
  .footer-logo { height: 32px; }
  .footer-nav { gap: .2rem; }
  .footer-nav a { font-size: .78rem; padding: .35rem .6rem; }
  .footer-nav-sep { display: none; }
  .footer-contact-row { font-size: .75rem; gap: .3rem 1rem; }
  .footer-address { font-size: .75rem; }

  /* Lightbox */
  .lightbox-img { max-width: 95vw; max-height: 85vh; border-radius: var(--radius); }
  .lightbox-close { top: .75rem; right: .75rem; width: 38px; height: 38px; font-size: 1.25rem; }

  /* Buttons */
  .btn { padding: .65rem 1.3rem; font-size: .85rem; }

  /* Check list */
  .check-list li { font-size: .85rem; padding-left: 1.5rem; }
  .check-list li::before { width: 6px; height: 6px; }

  /* Pill list */
  .pill-list li { font-size: .75rem; padding: .35rem .85rem; }

  /* Subsection */
  .subsection-title { font-size: 1rem; margin-top: 2rem; }
}

/* Small phones */
@media (max-width: 380px) {
  .hero h1 { font-size: 1.85rem; }
  .hero-lead { font-size: .9rem; }
  .stats-row { grid-template-columns: 1fr 1fr; gap: .5rem; }
  .stat-value { font-size: 1.25rem; }
  .price-current { font-size: 1.75rem; }
  .device-slider-row { grid-template-columns: 80px 1fr 32px; }
  .device-label { font-size: .75rem; }
  .hw-hero-link { max-width: 220px; }
  .hw-thumb { width: 44px; height: 44px; }
}

/* Touch-device optimizations */
@media (hover: none) {
  .card:hover { transform: none; box-shadow: none; }
  .card:hover::before { opacity: 0; }
  .price-card:hover { transform: none; }
  .hw-hero-link:hover .hw-hero-img { transform: none; }
  .hardware-gallery img:hover { transform: none; }
  .hero-product-img { animation: none; }
  .stat:hover { box-shadow: none; }
  .protocol-grid li:hover { border-color: var(--border); background: var(--bg-card); box-shadow: none; }
}

/* ═══ UTILITIES ═══ */
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }