/* STFLOW — dark tech / streetwear */
:root {
  --bg: #0a0a0f;
  --bg-elev: #121219;
  --bg-card: #16161f;
  --border: #232330;
  --border-strong: #2d2d40;
  --text: #f5f5f7;
  --text-dim: #a1a1aa;
  --text-mute: #71717a;
  --cyan: #00f2fe;
  --violet: #8b5cf6;
  --accent-grad: linear-gradient(135deg, #00f2fe 0%, #4facfe 40%, #8b5cf6 100%);
  --glow-cyan: 0 0 50px rgba(0, 242, 254, 0.4);
  --glow-violet: 0 0 50px rgba(139, 92, 246, 0.4);

  --font-display: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
  --font-body: 'Inter', ui-sans-serif, system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; color: inherit; }

/* Grid backdrop */
.grid-bg {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: -1px -1px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse at center top, black 0%, transparent 80%);
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
}
@media (max-width: 640px) {
  .container { padding: 0 20px; }
}

/* Top nav */
.nav {
  position: sticky;
  top: 20px;
  z-index: 50;
  background: rgba(22, 22, 31, 0.6);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  max-width: 1280px;
  margin: 20px auto 0;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}
@media (max-width: 1320px) {
  .nav { margin: 20px 20px 0; }
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.06em;
}
.nav-logo img { width: 36px; height: 36px; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  color: var(--text-dim);
}
.nav-links a:hover { color: var(--text); }
@media (max-width: 840px) { .nav-links { display: none; } }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.02em;
  transition: transform .15s ease, box-shadow .2s ease, background .2s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent-grad);
  color: white;
  box-shadow: 0 8px 32px -8px rgba(139, 92, 246, 0.6);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px -8px rgba(139, 92, 246, 0.8); }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text);
}
.btn-ghost:hover { background: var(--bg-elev); border-color: var(--cyan); }

/* Hero */
.hero {
  position: relative;
  padding: 80px 0 100px;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -150px;
  left: 40%;
  width: 1000px;
  height: 1000px;
  background: radial-gradient(circle at center, rgba(139, 92, 246, 0.35), transparent 65%);
  pointer-events: none;
  z-index: 0;
  animation: pulseBg 10s ease-in-out infinite alternate;
}
.hero::after {
  content: '';
  position: absolute;
  top: 100px;
  right: -100px;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle at center, rgba(0, 242, 254, 0.25), transparent 65%);
  pointer-events: none;
  z-index: 0;
  animation: pulseBg 12s ease-in-out infinite alternate-reverse;
}
@keyframes pulseBg {
  0% { transform: scale(1) translate(0, 0); opacity: 0.8; }
  100% { transform: scale(1.1) translate(-20px, 20px); opacity: 1; }
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: center;
}
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: 0.4; } }

.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(48px, 7.5vw, 104px);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin-top: 24px;
  padding-left: 4px;
}
.hero h1 .grad {
  display: inline-block;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-style: italic;
  padding-right: 0.1em;
  margin-right: -0.1em;
}
.hero-sub {
  font-size: 19px;
  color: var(--text-dim);
  max-width: 540px;
  margin-top: 24px;
  line-height: 1.55;
}
.hero-ctas {
  display: flex;
  gap: 14px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.hero-meta {
  display: flex;
  gap: 40px;
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.hero-meta .stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hero-meta .num {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 28px;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-meta .lbl {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Hero visual — stacked logo cards */
.hero-viz {
  position: relative;
  aspect-ratio: 1;
  max-width: 520px;
  width: 100%;
  justify-self: center;
}
@media (max-width: 900px) { .hero-viz { max-width: 420px; margin-top: 40px; } }
.hero-viz .card-stack {
  position: absolute;
  inset: 0;
  perspective: 1000px;
}
.viz-card {
  position: absolute;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(22, 22, 31, 0.6);
  overflow: hidden;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}
.viz-card-1 {
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(0,242,254,0.15), transparent 60%),
              radial-gradient(circle at 80% 80%, rgba(139,92,246,0.15), transparent 60%),
              rgba(22, 22, 31, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  transform: rotate(-2deg);
  box-shadow: 0 40px 100px -20px rgba(0,0,0,.8), var(--glow-violet);
  animation: float1 6s ease-in-out infinite;
}
.viz-card-1 img { width: 55%; filter: drop-shadow(0 20px 40px rgba(0,0,0,0.5)); }

.viz-card-2 {
  top: 5%;
  right: -12%;
  width: 48%;
  aspect-ratio: 1;
  transform: rotate(6deg) translateZ(30px);
  background: rgba(15, 15, 20, 0.8);
  padding: 16px;
  box-shadow: 0 30px 80px -20px rgba(0,0,0,.8);
  animation: float2 7s ease-in-out infinite reverse;
}
.viz-card-2::before {
  content: '';
  position: absolute;
  inset: 16px;
  background: repeating-linear-gradient(-45deg, rgba(26,26,36,0.5), rgba(26,26,36,0.5) 8px, transparent 8px, transparent 16px);
  border-radius: 12px;
}
.viz-card-2 .tag {
  position: absolute; bottom: 20px; left: 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.1em;
  text-shadow: 0 0 10px var(--cyan);
}

.viz-card-3 {
  bottom: -5%;
  left: -12%;
  width: 55%;
  aspect-ratio: 1.4;
  transform: rotate(-5deg) translateZ(40px);
  background: rgba(15, 15, 20, 0.8);
  padding: 20px;
  box-shadow: 0 30px 80px -20px rgba(0,0,0,.8);
  animation: float3 8s ease-in-out infinite;
}
.viz-card-3::before {
  content: '';
  position: absolute;
  inset: 18px 18px 45px 18px;
  background: repeating-linear-gradient(45deg, rgba(28,28,40,0.5), rgba(28,28,40,0.5) 6px, transparent 6px, transparent 12px);
  border-radius: 10px;
}
.viz-card-3 .tag {
  position: absolute; bottom: 16px; left: 22px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--violet);
  letter-spacing: 0.1em;
  text-shadow: 0 0 10px var(--violet);
}

@keyframes float1 {
  0% { transform: rotate(-2deg) translateY(0); }
  50% { transform: rotate(-1deg) translateY(-15px); }
  100% { transform: rotate(-2deg) translateY(0); }
}
@keyframes float2 {
  0% { transform: rotate(6deg) translateY(0) translateZ(30px); }
  50% { transform: rotate(8deg) translateY(-20px) translateZ(30px); }
  100% { transform: rotate(6deg) translateY(0) translateZ(30px); }
}
@keyframes float3 {
  0% { transform: rotate(-5deg) translateY(0) translateZ(40px); }
  50% { transform: rotate(-4deg) translateY(15px) translateZ(40px); }
  100% { transform: rotate(-5deg) translateY(0) translateZ(40px); }
}

/* Section defaults */
section { position: relative; z-index: 1; padding: 100px 0; }
@media (max-width: 640px) { section { padding: 72px 0; } }

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}
.section-head .left { max-width: 720px; }
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 20px;
}
.section-tag::before {
  content: '';
  width: 28px; height: 1px;
  background: var(--cyan);
}
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  padding-left: 2px;
}
.section-head h2 em { font-style: normal; background: var(--accent-grad); -webkit-background-clip: text; background-clip: text; color: transparent; padding-right: 0.05em; }
.section-head p {
  margin-top: 16px;
  color: var(--text-dim);
  font-size: 17px;
  line-height: 1.55;
}

/* Audience row */
.audience-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
@media (max-width: 1000px) { .audience-row { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .audience-row { grid-template-columns: 1fr; } }
.aud-card {
  padding: 32px 24px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  background: rgba(22, 22, 31, 0.6);
  backdrop-filter: blur(12px);
  transition: all .3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}
.aud-card:hover { 
  border-color: rgba(0, 242, 254, 0.3); 
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 242, 254, 0.1);
}
.aud-card .num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-mute);
  letter-spacing: 0.1em;
}
.aud-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  margin-top: 40px;
  letter-spacing: -0.01em;
}
.aud-card p {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.5;
}
.aud-card .icon {
  position: absolute;
  top: 22px;
  right: 22px;
  width: 32px; height: 32px;
  color: var(--cyan);
}

/* Techniques */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
@media (max-width: 800px) { .tech-grid { grid-template-columns: 1fr; } }
.tech-card {
  padding: 36px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(22, 22, 31, 0.7) 0%, rgba(18, 18, 26, 0.7) 100%);
  backdrop-filter: blur(16px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px;
  align-items: start;
  transition: all .3s;
  position: relative;
  overflow: hidden;
}
.tech-card:hover { border-color: var(--border-strong); }
.tech-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--x,50%) var(--y,50%), rgba(43,184,217,0.08), transparent 50%);
  opacity: 0;
  transition: opacity .3s;
  pointer-events: none;
}
.tech-card:hover::after { opacity: 1; }
.tech-icon {
  width: 64px; height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(0,242,254,0.15), rgba(139,92,246,0.15));
  border: 1px solid rgba(0, 242, 254, 0.3);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: #fff;
  text-shadow: 0 0 10px var(--cyan);
  box-shadow: inset 0 0 20px rgba(0, 242, 254, 0.2), 0 0 20px rgba(139, 92, 246, 0.2);
}
.tech-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: -0.01em;
}
.tech-card .ideal {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--violet);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.tech-card p {
  margin-top: 14px;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.6;
}
.tech-card .meta {
  margin-top: 16px;
  display: flex;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-mute);
}
.tech-card .meta b {
  color: var(--text);
  font-weight: 500;
}

/* Cotizador */
.quoter {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 32px;
  background: rgba(22, 22, 31, 0.6);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 30px 80px rgba(0,0,0,0.5), inset 0 0 0 1px rgba(255,255,255,0.05);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 420px;
  position: relative;
}
@media (max-width: 960px) { .quoter { grid-template-columns: 1fr; } }
.quoter::before {
  content: '';
  position: absolute;
  top: -200px; left: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,242,254,0.15), transparent 70%);
  pointer-events: none;
}
.quoter::after {
  content: '';
  position: absolute;
  bottom: -200px; right: 200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(139,92,246,0.15), transparent 70%);
  pointer-events: none;
}
.quoter-main { padding: 40px 40px 48px; position: relative; }
@media (max-width: 640px) { .quoter-main { padding: 28px 24px 40px; } }
.quoter-summary {
  border-left: 1px solid var(--border);
  background: #0a0a11;
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  position: relative;
}
@media (max-width: 960px) {
  .quoter-summary { border-left: none; border-top: 1px solid var(--border); }
}

.steps {
  display: flex;
  gap: 8px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.step {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px 8px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-mute);
  transition: all .2s;
}
.step.active {
  border-color: var(--cyan);
  color: var(--text);
  background: rgba(43,184,217,0.08);
}
.step.done { color: var(--cyan); border-color: rgba(43,184,217,0.4); }
.step .num {
  width: 20px; height: 20px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-elev);
  font-size: 10px;
}
.step.active .num { background: var(--accent-grad); color: white; }
.step.done .num { background: rgba(43,184,217,0.2); color: var(--cyan); }

.q-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 28px;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}
.q-sub {
  color: var(--text-dim);
  font-size: 14px;
  margin-bottom: 28px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}
.product-tile {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg-card);
  cursor: pointer;
  transition: all .2s;
  text-align: left;
  position: relative;
}
.product-tile:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.product-tile.selected {
  border-color: var(--cyan);
  background: linear-gradient(135deg, rgba(0,242,254,0.1), rgba(139,92,246,0.1));
  box-shadow: 0 0 30px rgba(0, 242, 254, 0.2), inset 0 0 15px rgba(0, 242, 254, 0.1);
  transform: translateY(-2px);
}
.product-tile .ico {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: #1a1a24;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  margin-bottom: 14px;
}
.product-tile .nm {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
}
.product-tile .pr {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-mute);
}
.product-tile .chk {
  position: absolute;
  top: 14px; right: 14px;
  width: 20px; height: 20px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px;
  color: white;
}
.product-tile.selected .chk {
  background: var(--accent-grad);
  border-color: transparent;
}

.option-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}
.opt {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-card);
  cursor: pointer;
  transition: all .2s;
  text-align: left;
}
.opt:hover { border-color: var(--border-strong); }
.opt.selected { border-color: var(--cyan); background: rgba(0,242,254,0.1); box-shadow: 0 0 20px rgba(0, 242, 254, 0.15); transform: translateY(-1px); }
.opt .nm {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
}
.opt .note {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.qty-row {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.qty-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.qty-label b {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.02em;
}
.slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--border-strong);
  outline: none;
}
.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--accent-grad);
  cursor: pointer;
  box-shadow: 0 0 20px rgba(125,63,217,0.5);
}
.slider::-moz-range-thumb {
  width: 22px; height: 22px; border-radius: 50%;
  background: #7d3fd9; cursor: pointer; border: none;
}

.qty-presets {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.preset {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  transition: all .15s;
}
.preset:hover { border-color: var(--cyan); color: var(--text); }
.preset.active { background: var(--cyan); color: #0a0a0f; border-color: var(--cyan); font-weight: 600; }

.addons {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.addon {
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-card);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: all .2s;
}
.addon:hover { border-color: var(--border-strong); }
.addon.on { border-color: var(--cyan); background: rgba(43,184,217,0.06); }
.addon .info {
  display: flex; flex-direction: column; gap: 2px;
}
.addon .nm { font-weight: 500; font-size: 14px; }
.addon .desc { font-size: 12px; color: var(--text-mute); }
.addon .pr {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}
.toggle {
  width: 38px; height: 22px;
  border-radius: 999px;
  background: var(--border-strong);
  position: relative;
  transition: background .2s;
  flex-shrink: 0;
}
.toggle::before {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: white;
  transition: transform .2s;
}
.addon.on .toggle { background: var(--cyan); }
.addon.on .toggle::before { transform: translateX(16px); }

.nav-btns {
  margin-top: 32px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

/* Summary panel */
.sum-head {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 6px;
}
.sum-total {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 56px;
  letter-spacing: -0.03em;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}
.sum-currency {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-mute);
  margin-top: 6px;
}
.sum-unit {
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-dim);
}
.sum-unit b { color: var(--text); font-weight: 500; }

.sum-divider {
  height: 1px;
  background: var(--border);
  margin: 24px 0;
}
.sum-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.sum-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 13px;
}
.sum-row .k {
  color: var(--text-dim);
}
.sum-row .v {
  font-family: var(--font-mono);
  color: var(--text);
}
.sum-row.strong { padding-top: 12px; border-top: 1px dashed var(--border); }
.sum-row.strong .k { color: var(--text); font-weight: 500; }
.sum-row.strong .v { color: var(--cyan); font-size: 14px; }

.sum-cta {
  margin-top: auto;
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.sum-cta .btn { justify-content: center; }
.sum-small {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-mute);
  text-align: center;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 8px;
}

.empty-summary {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text-mute);
  padding: 40px 20px;
  min-height: 300px;
}
.empty-summary .big {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--text);
  margin-bottom: 8px;
}

/* B2B section */
.b2b-block {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 32px;
  padding: 60px 48px;
  background: rgba(22, 22, 31, 0.6);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  overflow: hidden;
}
@media (max-width: 860px) { .b2b-block { grid-template-columns: 1fr; padding: 40px 28px; } }
.b2b-block::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(139,92,246,0.3), transparent 60%);
  pointer-events: none;
}
.b2b-block::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(45deg, rgba(255,255,255,0.02) 0px, rgba(255,255,255,0.02) 1px, transparent 1px, transparent 20px);
  pointer-events: none;
}
.b2b-block h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(32px, 4vw, 48px);
  letter-spacing: -0.01em;
  line-height: 1.05;
  padding-left: 2px;
}
.b2b-block p {
  margin-top: 20px;
  color: var(--text-dim);
  font-size: 16px;
  line-height: 1.6;
}
.b2b-list {
  list-style: none;
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.b2b-list li {
  padding: 10px 0 10px 28px;
  position: relative;
  font-size: 15px;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}
.b2b-list li:last-child { border-bottom: none; }
.b2b-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-family: var(--font-mono);
}

.b2b-pricing {
  position: relative;
  z-index: 1;
}
.vol-row {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.vol {
  padding: 18px 22px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg-card);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.vol.highlight { border-color: var(--cyan); box-shadow: var(--glow-cyan); }
.vol .q {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
}
.vol .d {
  font-family: var(--font-mono);
  font-size: 22px;
  color: var(--cyan);
  font-weight: 600;
}
.vol .n {
  display: block;
  font-size: 12px;
  color: var(--text-mute);
  margin-top: 2px;
  font-family: var(--font-body);
}

/* Process */
.process {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  background: rgba(22, 22, 31, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}
@media (max-width: 1100px) { .process { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 640px) { .process { grid-template-columns: repeat(2, 1fr); } }
.proc-step {
  padding: 32px 24px;
  border-right: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid transparent;
  position: relative;
  transition: background .3s;
}
.proc-step:hover {
  background: linear-gradient(180deg, rgba(0,242,254,0.05), transparent);
}
.proc-step:last-child { border-right: none; }
@media (max-width: 1100px) {
  .proc-step:nth-child(3n) { border-right: none; }
  .proc-step:nth-child(-n+3) { border-bottom: 1px solid var(--border); }
}
@media (max-width: 640px) {
  .proc-step { border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); }
  .proc-step:nth-child(3n) { border-right: 1px solid var(--border); }
  .proc-step:nth-child(2n) { border-right: none; }
}
.proc-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.2em;
  margin-bottom: 24px;
  text-shadow: 0 0 10px rgba(0, 242, 254, 0.5);
}
.proc-step h4 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.01em;
}
.proc-step p {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.55;
}
.proc-step .tm {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-mute);
  padding-top: 14px;
  border-top: 1px dashed var(--border);
}

/* Policies */
.pol-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 900px) { .pol-grid { grid-template-columns: 1fr; } }
.pol-card {
  padding: 36px 32px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 24px;
  background: rgba(22, 22, 31, 0.6);
  backdrop-filter: blur(12px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.3);
  transition: transform .3s, border-color .3s;
}
.pol-card:hover { transform: translateY(-4px); border-color: rgba(139, 92, 246, 0.3); }
.pol-card h4 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}
.pol-card .k {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--violet);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.pol-list {
  list-style: none;
  display: flex; flex-direction: column; gap: 14px;
}
.pol-list li {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.55;
  padding-left: 22px;
  position: relative;
}
.pol-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 8px;
  width: 10px; height: 2px;
  background: var(--cyan);
}

/* FAQ */
.faq-wrap {
  max-width: 900px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.faq-q {
  width: 100%;
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  text-align: left;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: color .2s;
}
.faq-q:hover { color: var(--cyan); }
.faq-q .plus {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(0, 242, 254, 0.3);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--cyan);
  text-shadow: 0 0 10px var(--cyan);
  box-shadow: inset 0 0 10px rgba(0,242,254,0.1);
  flex-shrink: 0;
  transition: all .3s cubic-bezier(0.4, 0, 0.2, 1);
}
.faq-item.open .plus {
  background: var(--cyan);
  color: #0a0a0f;
  transform: rotate(45deg);
  box-shadow: 0 0 20px rgba(0,242,254,0.5);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease, padding .3s ease;
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.65;
}
.faq-item.open .faq-a {
  max-height: 500px;
  padding: 0 0 28px;
}

/* Contact */
.contact-block {
  border-radius: 36px;
  padding: 80px 56px;
  background: rgba(22, 22, 31, 0.6);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 40px 100px rgba(0,0,0,0.6);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.contact-block::before {
  content: '';
  position: absolute;
  top: -200px; left: -100px;
  width: 600px; height: 600px;
  background: radial-gradient(circle at center, rgba(0,242,254,0.3), transparent 60%);
  pointer-events: none;
}
.contact-block::after {
  content: '';
  position: absolute;
  bottom: -200px; right: -100px;
  width: 600px; height: 600px;
  background: radial-gradient(circle at center, rgba(139,92,246,0.3), transparent 60%);
  pointer-events: none;
}
@media (max-width: 640px) { .contact-block { padding: 48px 24px; } }
.contact-block h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(38px, 6vw, 72px);
  letter-spacing: -0.02em;
  line-height: 1.02;
  padding-left: 2px;
}
.contact-block h2 em { font-style: normal; background: var(--accent-grad); -webkit-background-clip: text; background-clip: text; color: transparent; padding-right: 0.05em; }
.contact-block p {
  margin-top: 20px;
  color: var(--text-dim);
  font-size: 17px;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}
.contact-ctas {
  margin-top: 40px;
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.contact-info {
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: left;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
@media (max-width: 640px) { .contact-info { grid-template-columns: 1fr; text-align: center; } }
.contact-info .k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 6px;
}
.contact-info .v {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 500;
}

/* Footer */
.footer {
  padding: 60px 0 40px;
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 1;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}
.footer-logo { display: flex; align-items: center; gap: 12px; }
.footer-logo img { width: 32px; height: 32px; }
.footer-logo b {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.1em;
}
.footer-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-mute);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Marquee */
.marquee {
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  transform: rotate(-1deg) scale(1.02);
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
  position: relative;
  z-index: 10;
}
.marquee-track {
  display: flex;
  gap: 56px;
  animation: scroll 40s linear infinite;
  white-space: nowrap;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  color: var(--text-mute);
  letter-spacing: 0.03em;
}
.marquee-track span.hl {
  color: var(--text);
}
.marquee-track em {
  display: inline-block;
  font-style: italic;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  padding-right: 0.15em;
  margin-right: -0.15em;
}
@keyframes scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Floating WA */
.fab-wa {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 40;
  background: #25D366;
  color: white;
  width: 56px; height: 56px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 30px -8px rgba(37, 211, 102, 0.6);
  transition: transform .15s;
}
.fab-wa:hover { transform: scale(1.08); }
.fab-wa svg { width: 28px; height: 28px; }

/* fade in */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .6s ease, transform .6s ease;
}
[data-reveal].visible {
  opacity: 1; transform: translateY(0);
}
