:root {
  --ink: #0a2027;
  --teal-950: #071f26;
  --teal-900: #0b3742;
  --teal-800: #124e5c;
  --teal-700: #1b6473;
  --teal-600: #2a7f8c;
  --mint: #78e4a8;
  --mint-strong: #3ccc78;
  --cyan: #30b4fc;
  --peach: #f6c08a;
  --paper: #f6f3ec;
  --paper-deep: #ece7dc;
  --white: #ffffff;
  --muted: #52676b;
  --muted-2: #7e9093;
  --muted-3: #5f7275;
  --line: rgba(10, 32, 39, 0.12);
  --line-strong: rgba(10, 32, 39, 0.2);
  --line-dark: rgba(255, 255, 255, 0.14);
  --shadow: 0 24px 60px -30px rgba(7, 31, 38, 0.35);
  --font-display: "Montserrat", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "DM Mono", "SFMono-Regular", Consolas, monospace;
  --container: 1240px;
  --gutter: clamp(20px, 4vw, 48px);
  --ease: cubic-bezier(0.22, 0.7, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

body.menu-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

h1,
h2,
h3,
p,
figure,
blockquote,
dl,
dd {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

::selection {
  background: var(--mint);
  color: var(--teal-950);
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.container {
  width: min(100% - (var(--gutter) * 2), var(--container));
  margin-inline: auto;
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  padding: 10px 14px;
  border-radius: 6px;
  background: var(--mint);
  color: var(--ink);
  font-weight: 600;
  transform: translateY(-160%);
  transition: transform 0.2s var(--ease);
}

.skip-link:focus {
  transform: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 13px 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-family: var(--font-display);
  font-size: 0.86rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition:
    background-color 0.25s var(--ease),
    border-color 0.25s var(--ease),
    color 0.25s var(--ease),
    transform 0.25s var(--ease);
}

.btn svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.25s var(--ease);
}

.btn:hover svg {
  transform: translateX(3px);
}

.btn--mint {
  background: var(--mint);
  color: var(--teal-950);
}

.btn--mint:hover {
  background: #8ff0bb;
}

.btn--ghost {
  border-color: var(--line-dark);
  background: rgba(255, 255, 255, 0.03);
  color: var(--white);
}

.btn--ghost:hover {
  border-color: rgba(120, 228, 168, 0.5);
  background: rgba(120, 228, 168, 0.08);
}

.btn--dark {
  background: var(--teal-900);
  color: var(--white);
}

.btn--dark:hover {
  background: var(--teal-800);
}

.btn--outline {
  border-color: var(--line-strong);
  background: transparent;
  color: var(--ink);
}

.btn--outline:hover {
  border-color: var(--teal-700);
  background: rgba(18, 78, 92, 0.05);
}

.btn--sm {
  min-height: 38px;
  padding: 10px 15px;
  font-size: 0.76rem;
}

.btn--lg {
  min-height: 52px;
  padding: 16px 24px;
  font-size: 0.94rem;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  width: 100%;
  padding: 20px 0;
  border-bottom: 1px solid transparent;
  transition:
    padding 0.3s var(--ease),
    background-color 0.3s var(--ease),
    border-color 0.3s var(--ease);
}

.site-header.is-scrolled {
  padding: 12px 0;
  border-bottom-color: rgba(255, 255, 255, 0.1);
  background: rgba(7, 31, 38, 0.88);
  backdrop-filter: blur(16px);
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  flex: none;
}

.brand img {
  width: 132px;
  height: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav > a:not(.nav-cta) {
  position: relative;
  padding: 4px 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.8rem;
  font-weight: 500;
  transition: color 0.2s var(--ease);
}

.nav > a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: var(--mint);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s var(--ease);
}

.nav > a:not(.nav-cta):hover,
.nav > a:not(.nav-cta).is-active {
  color: var(--white);
}

.nav > a:not(.nav-cta):hover::after,
.nav > a:not(.nav-cta).is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-cta {
  display: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-cta svg {
  width: 14px;
  height: 14px;
}

.menu-toggle {
  position: relative;
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line-dark);
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  position: absolute;
  right: 12px;
  left: 12px;
  height: 1.5px;
  background: var(--white);
  transition:
    top 0.25s var(--ease),
    transform 0.25s var(--ease);
}

.menu-toggle span:first-child {
  top: 17px;
}

.menu-toggle span:last-child {
  top: 24px;
}

.menu-toggle[aria-expanded="true"] span:first-child {
  top: 21px;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:last-child {
  top: 21px;
  transform: rotate(-45deg);
}

.hero {
  position: relative;
  display: flex;
  min-height: 100svh;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  padding: clamp(128px, 15vh, 180px) 0 24px;
  background: var(--teal-950);
  color: var(--white);
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-texture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
  filter: saturate(0.7) contrast(1.05);
  mix-blend-mode: screen;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at 62% 42%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse at 62% 42%, #000 0%, transparent 72%);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
}

.hero-glow--mint {
  top: 12%;
  right: 4%;
  width: 520px;
  height: 520px;
  background: #2f9b70;
  opacity: 0.36;
}

.hero-glow--cyan {
  bottom: -18%;
  left: 38%;
  width: 420px;
  height: 420px;
  background: #1b6b8f;
  opacity: 0.28;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 100%, rgba(7, 31, 38, 0.7), transparent 55%),
    linear-gradient(90deg, rgba(7, 31, 38, 0.5), transparent 55%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
  padding-bottom: clamp(32px, 5vw, 58px);
}

.hero-copy {
  position: relative;
  z-index: 3;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 4px rgba(120, 228, 168, 0.14);
  animation: pulse 2.4s var(--ease) infinite;
}

.hero h1 {
  max-width: 16ch;
  margin: 22px 0 24px;
  font-family: var(--font-display);
  font-size: clamp(2.65rem, 4.8vw, 4.35rem);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.hero-accent {
  position: relative;
  display: inline-block;
  color: var(--mint);
}

.hero-accent::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -0.08em;
  left: 0;
  height: 0.06em;
  background: linear-gradient(90deg, var(--mint), transparent);
}

.hero-lede {
  max-width: 46ch;
  color: rgba(255, 255, 255, 0.7);
  font-size: clamp(1rem, 1.25vw, 1.16rem);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.play-icon {
  display: inline-grid;
  width: 22px;
  height: 22px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
}

.play-icon svg {
  width: 11px;
  height: 11px;
  margin-left: 1px;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 30px;
  list-style: none;
}

.hero-trust li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.52);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.04em;
}

.hero-trust li::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--mint);
}

.hero-stage {
  position: relative;
  display: flex;
  min-height: 560px;
  align-items: center;
  justify-content: center;
}

.stage-ring {
  position: absolute;
  width: min(100%, 560px);
  aspect-ratio: 1;
  border: 1px solid rgba(120, 228, 168, 0.18);
  border-radius: 50%;
  box-shadow: inset 0 0 80px rgba(120, 228, 168, 0.05);
}

.stage-ring::before {
  content: "";
  position: absolute;
  inset: 8%;
  border: 1px dashed rgba(255, 255, 255, 0.13);
  border-radius: 50%;
  animation: spin 70s linear infinite;
}

.stage-ring::after {
  content: "";
  position: absolute;
  inset: 20%;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 50%;
}

.stage-shadow {
  position: absolute;
  bottom: 10%;
  width: 68%;
  height: 56px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(0, 0, 0, 0.55), transparent 70%);
  filter: blur(16px);
}

.hero-product {
  position: relative;
  z-index: 2;
  width: min(100%, 560px);
  height: auto;
  filter:
    drop-shadow(0 40px 60px rgba(0, 0, 0, 0.48))
    drop-shadow(0 0 40px rgba(120, 228, 168, 0.12));
  transform: rotate(-3deg);
  animation: float 8s ease-in-out infinite;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 72%, rgba(0, 0, 0, 0.55) 84%, transparent 94%);
  mask-image: linear-gradient(to bottom, #000 0%, #000 72%, rgba(0, 0, 0, 0.55) 84%, transparent 94%);
}

.float-card {
  position: absolute;
  z-index: 3;
  width: 190px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 14px;
  background: rgba(8, 37, 44, 0.8);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(12px);
}

.float-card--live {
  top: 5%;
  left: -8%;
}

.float-card--saving {
  right: -7%;
  bottom: 6%;
}

.float-head {
  display: flex;
  align-items: center;
  gap: 7px;
  color: rgba(255, 255, 255, 0.58);
  font-family: var(--font-mono);
  font-size: 0.56rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.float-head .mono {
  margin-left: auto;
  color: var(--mint);
  font-size: 0.5rem;
}

.status-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 3px rgba(120, 228, 168, 0.15);
}

.float-value {
  margin-top: 6px;
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.float-value span {
  color: rgba(255, 255, 255, 0.48);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 400;
}

.bars {
  display: flex;
  height: 30px;
  align-items: flex-end;
  gap: 3px;
  margin-top: 10px;
}

.bars span {
  flex: 1;
  height: var(--h);
  border-radius: 2px;
  background: linear-gradient(to top, var(--mint), rgba(120, 228, 168, 0.16));
  opacity: 0.82;
}

.sparkline {
  margin-top: 8px;
}

.sparkline svg {
  width: 100%;
  height: 32px;
}

.stage-chip {
  position: absolute;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  background: rgba(8, 37, 44, 0.62);
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--font-mono);
  font-size: 0.56rem;
  letter-spacing: 0.04em;
  backdrop-filter: blur(8px);
}

.stage-chip svg {
  width: 12px;
  height: 12px;
  fill: none;
  stroke: var(--mint);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.stage-chip--wifi {
  top: 7%;
  right: 7%;
}

.stage-chip--ct {
  bottom: 3%;
  left: 2%;
}

.hero-strip {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-strip > .mono {
  flex: none;
  color: rgba(255, 255, 255, 0.38);
  font-size: 0.58rem;
  letter-spacing: 0.16em;
}

.hero-strip-items {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
  color: rgba(255, 255, 255, 0.58);
  font-family: var(--font-mono);
  font-size: 0.62rem;
}

.hero-strip-items span {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-strip-items span::before {
  content: "";
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--mint);
}

.scroll-cue {
  position: absolute;
  bottom: 18px;
  left: 50%;
  z-index: 3;
  display: grid;
  width: 22px;
  height: 34px;
  place-items: start center;
  padding-top: 7px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  transform: translateX(-50%);
}

.scroll-cue span {
  width: 3px;
  height: 7px;
  border-radius: 999px;
  background: var(--mint);
  animation: scroll 2.2s var(--ease) infinite;
}

.section {
  position: relative;
  padding: clamp(80px, 9.5vw, 136px) 0;
}

.section--paper {
  background: var(--paper);
}

.section--white {
  background: var(--white);
}

.section--dark {
  background: var(--teal-950);
  color: var(--white);
}

.section-head {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(28px, 5vw, 72px);
  align-items: end;
  margin-bottom: clamp(40px, 6vw, 72px);
}

.section-index {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--teal-700);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section-index span {
  display: inline-grid;
  width: 26px;
  height: 26px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--teal-800);
  font-size: 0.56rem;
  letter-spacing: 0;
}

.section-index--light {
  color: var(--mint);
}

.section-index--light span {
  border-color: rgba(120, 228, 168, 0.3);
  color: var(--mint);
}

.section-title {
  max-width: 18ch;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.35vw, 4rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.muted {
  color: var(--muted-2);
}

.muted-light {
  color: rgba(255, 255, 255, 0.44);
}

.section-aside {
  max-width: 40ch;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.7;
}

.section--dark .section-aside {
  color: rgba(255, 255, 255, 0.6);
}

.problem-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: clamp(40px, 7vw, 100px);
  align-items: start;
}

.problem-copy .lead {
  max-width: 26ch;
  margin-bottom: 18px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 1.7vw, 1.5rem);
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: -0.02em;
}

.problem-copy > p:not(.lead):not(.footnote) {
  max-width: 52ch;
  color: var(--muted);
  line-height: 1.75;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 36px 0 16px;
  border-top: 1px solid var(--line-strong);
}

.stat {
  padding: 18px 18px 0;
  border-right: 1px solid var(--line);
}

.stat:first-child {
  padding-left: 0;
}

.stat:last-child {
  border-right: 0;
}

.stat-value {
  display: block;
  color: var(--teal-800);
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 2.8vw, 2.5rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.05em;
}

.stat-label {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.45;
}

.footnote {
  max-width: 62ch;
  color: var(--muted-3);
  font-size: 0.68rem;
  line-height: 1.6;
}

.portrait-card {
  position: relative;
  width: 100%;
  max-width: 460px;
  margin-left: auto;
}

.portrait-media {
  position: relative;
}

.portrait-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  border-radius: 18px;
  object-fit: cover;
  object-position: center 28%;
  filter: saturate(0.9) contrast(1.02);
}

.portrait-media::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 18px;
  background: linear-gradient(to top, rgba(7, 31, 38, 0.5), transparent 45%);
  pointer-events: none;
}

.portrait-card figcaption {
  position: relative;
  z-index: 2;
  margin-top: 9px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  line-height: 1.45;
  letter-spacing: 0.02em;
}

.bill-card {
  position: absolute;
  top: 9%;
  right: -5%;
  z-index: 3;
  width: 190px;
  padding: 16px;
  border-radius: 12px;
  background: var(--white);
  color: var(--ink);
  box-shadow: 0 24px 50px rgba(7, 31, 38, 0.18);
  transform: rotate(2.5deg);
}

.bill-card .mono {
  color: var(--muted);
  font-size: 0.52rem;
  letter-spacing: 0.12em;
}

.bill-card strong {
  display: block;
  margin: 4px 0 12px;
  font-family: var(--font-display);
  font-size: 1.45rem;
  letter-spacing: -0.03em;
}

.bill-bars {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 12px;
}

.bill-bars span {
  position: relative;
  height: 6px;
  border-radius: 3px;
  background: var(--paper-deep);
}

.bill-bars span::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--w);
  border-radius: 3px;
  background: var(--mint-strong);
}

.bill-row {
  display: flex;
  justify-content: space-between;
  padding: 3px 0;
  color: var(--muted);
  font-size: 0.6rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-bottom: clamp(40px, 6vw, 72px);
  border-top: 1px solid var(--line-strong);
  list-style: none;
}

.step {
  position: relative;
  min-height: 250px;
  padding: 28px 24px 8px 0;
  border-right: 1px solid var(--line);
}

.step:last-child {
  border-right: 0;
}

.step:not(:first-child) {
  padding-left: 24px;
}

.step::after {
  content: "";
  position: absolute;
  top: -3px;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mint-strong);
  box-shadow: 0 0 0 4px var(--white);
}

.step:not(:first-child)::after {
  left: 24px;
}

.step-num {
  color: var(--teal-700);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
}

.step-icon {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  margin: 18px 0;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--teal-800);
}

.step-icon svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.step h3 {
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-size: 1.08rem;
  letter-spacing: -0.02em;
}

.step p {
  max-width: 30ch;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.65;
}

.install-band {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  overflow: hidden;
  border-radius: 20px;
  background: var(--teal-950);
  color: var(--white);
}

.install-media {
  position: relative;
  min-height: 400px;
  overflow: hidden;
}

.install-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
  opacity: 0.84;
  filter: saturate(0.85) contrast(1.03);
}

.install-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 48%, var(--teal-950) 100%);
}

.media-tag {
  position: absolute;
  bottom: 16px;
  left: 16px;
  z-index: 2;
  padding: 6px 8px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 4px;
  background: rgba(7, 31, 38, 0.6);
  color: rgba(255, 255, 255, 0.6);
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 0.06em;
  backdrop-filter: blur(6px);
}

.install-band-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(28px, 4vw, 48px);
}

.install-band-copy .mono {
  color: var(--mint);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
}

.install-band-copy h3 {
  margin: 14px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.install-band-copy p {
  margin-bottom: 22px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.9rem;
  line-height: 1.7;
}

.ticks {
  display: grid;
  gap: 10px;
  list-style: none;
}

.ticks li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.5;
}

.install-band .ticks li,
.price-card--featured .ticks li,
.section--dark .ticks li {
  color: rgba(255, 255, 255, 0.72);
}

.ticks li::before {
  content: "";
  width: 14px;
  height: 14px;
  flex: none;
  margin-top: 2px;
  border-radius: 50%;
  background-color: var(--mint);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.2 6.2 4.6 8.6 9.8 3.4' fill='none' stroke='%23071f26' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 9px;
}

.product-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
}

.product-visual {
  position: relative;
  display: flex;
  min-height: 540px;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: clamp(28px, 4vw, 48px);
  border-radius: 20px;
  background:
    radial-gradient(circle at 50% 42%, rgba(120, 228, 168, 0.12), transparent 45%),
    linear-gradient(145deg, #0c323b, #071f26 70%);
}

.tech-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(120, 228, 168, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 228, 168, 0.07) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(circle at 50% 50%, #000, transparent 74%);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000, transparent 74%);
}

.product-visual > img {
  position: relative;
  z-index: 2;
  width: 76%;
  max-width: 400px;
  height: auto;
  filter:
    drop-shadow(0 30px 40px rgba(0, 0, 0, 0.5))
    drop-shadow(0 0 24px rgba(120, 228, 168, 0.06));
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 70%, rgba(0, 0, 0, 0.45) 86%, transparent 96%);
  mask-image: linear-gradient(to bottom, #000 0%, #000 70%, rgba(0, 0, 0, 0.45) 86%, transparent 96%);
}

.dim {
  position: absolute;
  z-index: 3;
  color: rgba(255, 255, 255, 0.5);
  font-family: var(--font-mono);
  font-size: 0.54rem;
  letter-spacing: 0.08em;
}

.dim--w {
  top: 28px;
  right: 22%;
  left: 22%;
  height: 1px;
  background: rgba(120, 228, 168, 0.34);
}

.dim--w span {
  position: absolute;
  top: -18px;
  left: 50%;
  white-space: nowrap;
  transform: translateX(-50%);
}

.dim--w::before,
.dim--w::after {
  content: "";
  position: absolute;
  top: -4px;
  width: 1px;
  height: 9px;
  background: rgba(120, 228, 168, 0.5);
}

.dim--w::before {
  left: 0;
}

.dim--w::after {
  right: 0;
}

.dim--h {
  top: 25%;
  bottom: 25%;
  left: 30px;
  width: 1px;
  background: rgba(120, 228, 168, 0.34);
}

.dim--h span {
  position: absolute;
  top: 50%;
  left: 8px;
  white-space: nowrap;
  writing-mode: vertical-rl;
  transform: translateY(-50%);
}

.dim--h::before,
.dim--h::after {
  content: "";
  position: absolute;
  left: -4px;
  width: 9px;
  height: 1px;
  background: rgba(120, 228, 168, 0.5);
}

.dim--h::before {
  top: 0;
}

.dim--h::after {
  bottom: 0;
}

.dim-chip {
  position: absolute;
  bottom: 18px;
  left: 50%;
  z-index: 3;
  padding: 6px 9px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 4px;
  color: rgba(255, 255, 255, 0.56);
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 0.06em;
  white-space: nowrap;
  transform: translateX(-50%);
}

.callout {
  position: absolute;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 8px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 4px;
  background: rgba(7, 31, 38, 0.7);
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 0.04em;
  backdrop-filter: blur(6px);
}

.callout::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 3px rgba(120, 228, 168, 0.14);
}

.callout--led {
  top: 30%;
  right: 7%;
}

.callout--ct {
  right: 9%;
  bottom: 30%;
}

.specs {
  display: grid;
  gap: 24px;
}

.spec-group {
  padding-top: 14px;
  border-top: 1px solid var(--line-strong);
}

.spec-group h3 {
  margin-bottom: 12px;
  color: var(--teal-700);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.spec-group dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 22px;
}

.spec-group dl > div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 7px;
  border-bottom: 1px solid var(--line);
}

.spec-group dt {
  color: var(--muted);
  font-size: 0.72rem;
}

.spec-group dd {
  font-size: 0.72rem;
  font-weight: 600;
  text-align: right;
}

.specs .footnote {
  margin-top: -4px;
}

.specs .btn {
  justify-self: start;
  margin-top: 2px;
}

.app-section {
  overflow: hidden;
}

.app-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.app-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  opacity: 0.22;
  filter: blur(3px) saturate(0.7);
  transform: scale(1.04);
}

.app-section::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 72% 45%, rgba(120, 228, 168, 0.1), transparent 40%),
    linear-gradient(90deg, var(--teal-950) 0%, rgba(7, 31, 38, 0.86) 48%, rgba(7, 31, 38, 0.7) 100%);
}

.app-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(40px, 7vw, 100px);
  align-items: center;
}

.app-copy .lead {
  max-width: 44ch;
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.96rem;
  line-height: 1.75;
}

.feature-list {
  display: grid;
  gap: 20px;
  margin: 32px 0;
  list-style: none;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 15px;
}

.feature-icon {
  display: grid;
  width: 38px;
  height: 38px;
  flex: none;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  color: var(--mint);
}

.feature-icon svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature-list h3 {
  margin-bottom: 3px;
  font-family: var(--font-display);
  font-size: 0.96rem;
  letter-spacing: -0.01em;
}

.feature-list p {
  max-width: 40ch;
  color: rgba(255, 255, 255, 0.52);
  font-size: 0.82rem;
  line-height: 1.6;
}

.phone-wrap {
  position: relative;
  display: flex;
  min-height: 640px;
  align-items: center;
  justify-content: center;
}

.phone-wrap::before {
  content: "";
  position: absolute;
  width: 430px;
  height: 430px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(120, 228, 168, 0.17), transparent 66%);
  filter: blur(18px);
}

.phone {
  position: relative;
  z-index: 2;
  width: 300px;
  aspect-ratio: 300 / 620;
  padding: 9px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 46px;
  background: #06171c;
  box-shadow:
    0 60px 110px rgba(0, 0, 0, 0.55),
    inset 0 0 0 2px rgba(255, 255, 255, 0.04);
  transform: rotate(-2deg);
}

.phone::before {
  content: "";
  position: absolute;
  top: 17px;
  left: 50%;
  z-index: 4;
  width: 92px;
  height: 23px;
  border-radius: 999px;
  background: #06171c;
  transform: translateX(-50%);
}

.phone::after {
  content: "";
  position: absolute;
  inset: 9px;
  z-index: 3;
  border-radius: 37px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  pointer-events: none;
}

.phone-screen {
  display: flex;
  height: 100%;
  flex-direction: column;
  gap: 12px;
  overflow: hidden;
  padding: 34px 17px 15px;
  border-radius: 37px;
  background:
    radial-gradient(circle at 70% 10%, rgba(120, 228, 168, 0.08), transparent 40%),
    linear-gradient(180deg, #0d2b33, #081e24);
}

.app-top {
  display: flex;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.42);
  font-family: var(--font-mono);
  font-size: 0.5rem;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 2px;
}

.app-header .mono {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.52rem;
  letter-spacing: 0.12em;
}

.live {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 0.48rem;
  letter-spacing: 0.06em;
}

.live i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--mint);
  animation: pulse 2.4s var(--ease) infinite;
}

.app-saving {
  margin-top: 8px;
}

.app-saving > span:first-child {
  display: block;
  color: rgba(255, 255, 255, 0.48);
  font-size: 0.58rem;
}

.app-saving strong {
  display: block;
  margin: 2px 0;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1.1;
}

.positive {
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 0.5rem;
}

.app-chart {
  padding: 8px 8px 6px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.025);
}

.app-chart svg {
  display: block;
  width: 100%;
  height: 78px;
}

.app-line {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
}

.app-section.is-visible .app-line {
  animation: draw 1.4s var(--ease) 0.2s forwards;
}

.chart-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.28);
  font-family: var(--font-mono);
  font-size: 0.4rem;
}

.app-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
}

.app-cards > div {
  padding: 9px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.035);
}

.app-cards span {
  display: block;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.48rem;
}

.app-cards strong {
  display: block;
  margin-top: 2px;
  font-family: var(--font-display);
  font-size: 0.82rem;
}

.app-alert {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px;
  border: 1px solid rgba(246, 192, 138, 0.2);
  border-radius: 10px;
  background: rgba(246, 192, 138, 0.08);
}

.alert-dot {
  width: 18px;
  height: 18px;
  flex: none;
  border-radius: 50%;
  background: var(--peach);
  box-shadow: inset 0 0 0 5px rgba(7, 31, 38, 0.2);
}

.app-alert strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.57rem;
}

.app-alert div span {
  display: block;
  margin-top: 1px;
  color: rgba(255, 255, 255, 0.46);
  font-family: var(--font-mono);
  font-size: 0.44rem;
}

.alert-arrow {
  margin-left: auto;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.9rem;
}

.app-nav {
  display: flex;
  justify-content: space-around;
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  color: rgba(255, 255, 255, 0.3);
}

.app-nav svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.app-nav svg:first-child {
  color: var(--mint);
}

.app-note {
  position: absolute;
  z-index: 3;
  padding: 11px 13px;
  border: 1px solid rgba(120, 228, 168, 0.2);
  border-radius: 10px;
  background: rgba(8, 37, 44, 0.92);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
}

.app-note .mono {
  display: block;
  margin-bottom: 3px;
  color: var(--mint);
  font-size: 0.46rem;
  letter-spacing: 0.12em;
}

.app-note strong {
  font-size: 0.68rem;
  font-weight: 600;
}

.app-note--1 {
  top: 16%;
  left: -2%;
}

.app-note--2 {
  right: -1%;
  bottom: 14%;
}

.roi-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(40px, 7vw, 100px);
  align-items: center;
}

.roi-copy .lead {
  max-width: 42ch;
  margin-top: 20px;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.75;
}

.roi-copy .ticks {
  margin: 26px 0 20px;
}

.roi-card {
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  background: var(--white);
  box-shadow: 0 30px 60px rgba(7, 31, 38, 0.06);
}

.roi-input label {
  display: block;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.roi-input output {
  display: block;
  margin: 4px 0 16px;
  color: var(--teal-900);
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.6vw, 2.9rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1.1;
}

input[type="range"] {
  width: 100%;
  height: 6px;
  appearance: none;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    var(--teal-800) 0%,
    var(--teal-800) var(--p, 16.7%),
    var(--paper-deep) var(--p, 16.7%),
    var(--paper-deep) 100%
  );
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  width: 22px;
  height: 22px;
  appearance: none;
  border: 3px solid var(--teal-800);
  border-radius: 50%;
  background: var(--white);
  box-shadow: 0 2px 8px rgba(7, 31, 38, 0.18);
  cursor: grab;
}

input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border: 3px solid var(--teal-800);
  border-radius: 50%;
  background: var(--white);
  box-shadow: 0 2px 8px rgba(7, 31, 38, 0.18);
  cursor: grab;
}

input[type="range"]:active::-webkit-slider-thumb {
  cursor: grabbing;
}

.range-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  color: var(--muted-3);
  font-family: var(--font-mono);
  font-size: 0.52rem;
}

.roi-results {
  margin: 26px 0 20px;
  border-top: 1px solid var(--line);
}

.roi-result {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.roi-result span {
  color: var(--muted);
  font-size: 0.8rem;
}

.roi-result strong {
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.32rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
  white-space: nowrap;
}

.roi-result--accent strong {
  color: var(--teal-700);
}

.roi-assumptions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.roi-assumptions span {
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.5rem;
}

.roi-card .btn {
  width: 100%;
}

.section--impact {
  overflow: hidden;
  background: var(--teal-950);
  color: var(--white);
}

.section--impact::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 31, 38, 0.96) 0%, rgba(7, 31, 38, 0.8) 46%, rgba(7, 31, 38, 0.34) 100%),
    linear-gradient(0deg, rgba(7, 31, 38, 0.92), transparent 52%);
}

.impact-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.55;
  filter: saturate(0.82) contrast(1.03);
}

.impact-inner {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.impact-inner .lead {
  max-width: 52ch;
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.64);
  font-size: 0.96rem;
  line-height: 1.75;
}

.impact-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 40px 0 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.impact-stats > div {
  padding: 20px 20px 0 0;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.impact-stats > div:last-child {
  border-right: 0;
}

.impact-stats strong {
  display: block;
  color: var(--mint);
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 2.8vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1;
}

.impact-stats span {
  display: block;
  max-width: 18ch;
  margin-top: 5px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.7rem;
  line-height: 1.45;
}

.impact-note {
  max-width: 64ch;
  color: rgba(255, 255, 255, 0.38);
  font-size: 0.64rem;
  line-height: 1.6;
}

.validation-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(40px, 7vw, 100px);
  align-items: start;
}

.validation-stats {
  border-top: 1px solid var(--line-strong);
}

.validation-stats > div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 18px;
  align-items: baseline;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.validation-stats strong {
  color: var(--teal-800);
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1;
}

.validation-stats span {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.55;
}

.roadmap {
  padding-left: 30px;
  border-left: 1px solid var(--line-strong);
}

.roadmap-item {
  position: relative;
  padding-bottom: 28px;
}

.roadmap-item:last-child {
  padding-bottom: 0;
}

.roadmap-item::before {
  content: "";
  position: absolute;
  top: 4px;
  left: -36px;
  width: 11px;
  height: 11px;
  border: 2px solid var(--line-strong);
  border-radius: 50%;
  background: var(--white);
}

.roadmap-item.is-available::before {
  border-color: var(--mint-strong);
  background: var(--mint-strong);
  box-shadow: 0 0 0 4px rgba(60, 204, 120, 0.14);
}

.roadmap-item.is-dev::before {
  border-color: var(--cyan);
}

.badge {
  display: inline-flex;
  padding: 5px 8px;
  border-radius: 999px;
  background: rgba(60, 204, 120, 0.12);
  color: #1d7a49;
  font-family: var(--font-mono);
  font-size: 0.48rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge--cyan {
  background: rgba(48, 180, 252, 0.12);
  color: #0c6d9e;
}

.badge--outline {
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--muted);
}

.roadmap-item h3 {
  margin: 8px 0 4px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.roadmap-item p {
  max-width: 42ch;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.6;
}

.roadmap-item > .mono {
  color: var(--muted-3);
  font-size: 0.52rem;
}

.validation .footnote,
#validacion .footnote {
  margin-top: 36px;
}

.section-head--center {
  display: block;
  max-width: 800px;
  margin-inline: auto;
  text-align: center;
}

.section-head--center .section-index {
  justify-content: center;
}

.section-head--center .section-title {
  max-width: none;
}

.section-head--center .section-aside {
  margin: 16px auto 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 24px;
  max-width: 1000px;
  margin-inline: auto;
  align-items: stretch;
}

.price-card {
  display: flex;
  flex-direction: column;
  padding: clamp(26px, 4vw, 42px);
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  background: var(--white);
}

.price-card--featured {
  border-color: transparent;
  background: var(--teal-950);
  color: var(--white);
  box-shadow: 0 30px 60px rgba(7, 31, 38, 0.18);
}

.price-head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.price-head h3 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  letter-spacing: -0.03em;
}

.price-card--featured .badge {
  background: rgba(120, 228, 168, 0.12);
  color: var(--mint);
}

.price {
  display: flex;
  align-items: flex-start;
  margin-top: 22px;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.055em;
  line-height: 1;
}

.price > span {
  margin-top: 5px;
  font-size: 1.2rem;
}

.price small {
  align-self: flex-end;
  margin: 0 0 8px 7px;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 0.66rem;
  font-weight: 400;
  letter-spacing: 0;
}

.price-card--featured .price small {
  color: rgba(255, 255, 255, 0.48);
}

.price-sub {
  margin-top: 5px;
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.price--custom {
  color: var(--mint);
  font-size: clamp(2.2rem, 3.5vw, 2.9rem);
}

.price-desc {
  max-width: 34ch;
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.65;
}

.price-card .ticks {
  margin: 24px 0 30px;
}

.price-card--featured .ticks li {
  color: rgba(255, 255, 255, 0.72);
}

.price-card .btn {
  width: 100%;
  margin-top: auto;
}

.price-note {
  margin-top: 14px;
  color: var(--muted-3);
  font-size: 0.58rem;
  line-height: 1.55;
}

.price-card--featured .price-note {
  color: rgba(255, 255, 255, 0.36);
}

.faq-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(40px, 7vw, 100px);
  align-items: start;
}

.faq-head {
  position: sticky;
  top: 110px;
}

.faq-head .section-aside {
  margin-top: 18px;
}

.faq-head .btn {
  margin-top: 24px;
}

.faq-list {
  border-top: 1px solid var(--line-strong);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 0;
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  list-style: none;
  cursor: pointer;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  flex: none;
  color: var(--teal-700);
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 400;
  transition: transform 0.25s var(--ease);
}

.faq-list details[open] summary::after {
  transform: rotate(45deg);
}

.faq-list details p {
  max-width: 62ch;
  margin: -4px 40px 22px 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.72;
}

.section--cta {
  overflow: hidden;
  background: var(--teal-950);
  color: var(--white);
}

.section--cta::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 31, 38, 0.96), rgba(7, 31, 38, 0.7)),
    radial-gradient(circle at 70% 30%, rgba(120, 228, 168, 0.12), transparent 45%);
}

.cta-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  filter: saturate(0.82);
}

.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 880px;
}

.cta-inner .lead {
  max-width: 48ch;
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.98rem;
  line-height: 1.75;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.cta-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.42);
  font-family: var(--font-mono);
  font-size: 0.56rem;
}

.cta-meta span {
  display: flex;
  align-items: center;
  gap: 8px;
}

.cta-meta span::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--mint);
}

.footer {
  padding: 64px 0 24px;
  background: #061f26;
  color: var(--white);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 0.7fr);
  gap: 40px;
}

.footer-brand img {
  width: 148px;
  height: auto;
  margin-bottom: 18px;
}

.footer-brand p {
  max-width: 28ch;
  margin-bottom: 16px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.8rem;
  line-height: 1.7;
}

.footer-brand .mono {
  color: rgba(255, 255, 255, 0.32);
  font-size: 0.52rem;
  letter-spacing: 0.12em;
}

.footer h3 {
  margin-bottom: 14px;
  color: rgba(255, 255, 255, 0.38);
  font-family: var(--font-mono);
  font-size: 0.56rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.footer-grid a,
.footer-grid > div > span:not(.mono) {
  display: block;
  padding: 5px 0;
  color: rgba(255, 255, 255, 0.64);
  font-size: 0.8rem;
  transition: color 0.2s var(--ease);
}

.footer-grid a:hover {
  color: var(--mint);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 20px;
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  color: rgba(255, 255, 255, 0.32);
  font-family: var(--font-mono);
  font-size: 0.52rem;
  line-height: 1.6;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a:hover {
  color: var(--mint);
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.7s var(--ease) var(--delay, 0s),
    transform 0.7s var(--ease) var(--delay, 0s);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@keyframes pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(120, 228, 168, 0.34);
  }
  60% {
    box-shadow: 0 0 0 7px rgba(120, 228, 168, 0);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0) rotate(-3deg);
  }
  50% {
    transform: translateY(-12px) rotate(-3deg);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes scroll {
  0%,
  100% {
    opacity: 0.3;
    transform: translateY(0);
  }
  50% {
    opacity: 1;
    transform: translateY(7px);
  }
}

@keyframes draw {
  to {
    stroke-dashoffset: 0;
  }
}

@media (max-width: 1100px) {
  .hero-inner {
    gap: 40px;
  }

  .hero-stage {
    min-height: 500px;
  }

  .float-card--live {
    left: 0;
  }

  .float-card--saving {
    right: 0;
  }

  .phone-wrap {
    min-height: 590px;
  }

  .phone {
    width: 278px;
  }

  .app-note--1 {
    left: 0;
  }

  .app-note--2 {
    right: 0;
  }
}

@media (max-width: 900px) {
  .site-header {
    padding: 14px 0;
  }

  .brand img {
    width: 118px;
  }

  .nav {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 16px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    background: var(--teal-950);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.35);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition:
      opacity 0.25s var(--ease),
      transform 0.25s var(--ease);
  }

  .nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .nav > a:not(.nav-cta) {
    padding: 13px 12px;
    border-radius: 8px;
    color: rgba(255, 255, 255, 0.76);
    font-size: 0.95rem;
  }

  .nav > a:not(.nav-cta):hover {
    background: rgba(255, 255, 255, 0.05);
  }

  .nav > a:not(.nav-cta)::after {
    display: none;
  }

  .nav-cta {
    display: flex;
    margin-top: 8px;
  }

  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .hero {
    min-height: auto;
    padding-top: 128px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 22px;
    padding-bottom: 42px;
  }

  .hero-copy {
    max-width: 680px;
  }

  .hero h1 {
    max-width: 14ch;
    font-size: clamp(2.7rem, 9vw, 4.4rem);
  }

  .hero-stage {
    min-height: 460px;
    margin-top: 8px;
  }

  .hero-product {
    width: min(82%, 430px);
  }

  .stage-ring {
    width: min(82%, 430px);
  }

  .float-card--live {
    top: 8%;
    left: 2%;
  }

  .float-card--saving {
    right: 2%;
    bottom: 6%;
  }

  .hero-strip {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding-bottom: 18px;
  }

  .scroll-cue {
    display: none;
  }

  .section-head {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .section-title {
    max-width: 20ch;
  }

  .problem-grid,
  .product-grid,
  .app-grid,
  .roi-grid,
  .validation-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .problem-grid {
    gap: 44px;
  }

  .portrait-card {
    max-width: 420px;
    margin-left: 0;
  }

  .bill-card {
    top: auto;
    right: 4%;
    bottom: 5%;
  }

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

  .step:nth-child(2n) {
    border-right: 0;
  }

  .step:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .install-band {
    grid-template-columns: 1fr;
  }

  .install-media {
    min-height: 320px;
  }

  .install-media::after {
    background: linear-gradient(0deg, var(--teal-950) 0%, transparent 55%);
  }

  .product-visual {
    min-height: 440px;
  }

  .product-visual > img {
    width: min(72%, 360px);
  }

  .app-grid {
    gap: 52px;
  }

  .phone-wrap {
    min-height: 560px;
  }

  .app-note {
    display: none;
  }

  .roi-card {
    max-width: 620px;
  }

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

  .roadmap {
    max-width: 600px;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 620px;
  }

  .faq-head {
    position: static;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 72px 0;
  }

  .hero {
    padding-top: 116px;
  }

  .hero h1 {
    font-size: clamp(2.35rem, 9.5vw, 3.2rem);
  }

  .hero-lede {
    font-size: 0.96rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-trust {
    gap: 8px 14px;
  }

  .hero-trust li {
    font-size: 0.56rem;
  }

  .hero-stage {
    min-height: 360px;
  }

  .hero-product {
    width: min(92%, 340px);
  }

  .stage-ring {
    width: min(92%, 340px);
  }

  .float-card {
    width: 150px;
    padding: 10px 12px;
  }

  .float-value {
    font-size: 1.2rem;
  }

  .float-head {
    font-size: 0.48rem;
  }

  .float-card--live {
    top: 2%;
    left: 0;
  }

  .float-card--saving {
    right: 0;
    bottom: 2%;
  }

  .stage-chip {
    display: none;
  }

  .hero-strip-items {
    gap: 10px 18px;
    font-size: 0.56rem;
  }

  .section-index {
    margin-bottom: 14px;
  }

  .section-title {
    font-size: clamp(1.85rem, 8vw, 2.7rem);
  }

  .section-aside {
    font-size: 0.9rem;
  }

  .problem-copy .lead {
    font-size: 1.15rem;
  }

  .stat-row {
    grid-template-columns: 1fr;
    margin-top: 28px;
  }

  .stat {
    padding: 16px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .stat:last-child {
    border-bottom: 0;
  }

  .bill-card {
    right: 3%;
    width: 160px;
    padding: 12px;
  }

  .bill-card strong {
    font-size: 1.2rem;
  }

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

  .step {
    min-height: auto;
    padding: 24px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .step:not(:first-child) {
    padding-left: 0;
  }

  .step::after,
  .step:not(:first-child)::after {
    left: 0;
  }

  .step:last-child {
    border-bottom: 0;
  }

  .step:nth-child(n + 3) {
    border-top: 0;
  }

  .install-media {
    min-height: 250px;
  }

  .product-visual {
    min-height: 380px;
    padding: 24px;
  }

  .product-visual > img {
    width: 78%;
  }

  .spec-group dl {
    grid-template-columns: 1fr;
  }

  .app-grid {
    gap: 42px;
  }

  .phone-wrap {
    min-height: 540px;
  }

  .phone {
    width: min(278px, 78vw);
  }

  .roi-result {
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
  }

  .roi-result strong {
    font-size: 1.2rem;
  }

  .impact-stats {
    grid-template-columns: 1fr;
  }

  .impact-stats > div {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 18px;
    padding: 16px 0;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .impact-stats > div:last-child {
    border-bottom: 0;
  }

  .impact-stats strong {
    font-size: 1.8rem;
  }

  .impact-stats span {
    max-width: 20ch;
    margin-top: 0;
    text-align: right;
  }

  .validation-stats > div {
    grid-template-columns: 82px 1fr;
    gap: 14px;
  }

  .validation-stats strong {
    font-size: 2.1rem;
  }

  .roadmap {
    padding-left: 24px;
  }

  .roadmap-item::before {
    left: -30px;
  }

  .price-head {
    gap: 8px;
  }

  .faq-list summary {
    font-size: 0.92rem;
  }

  .faq-list details p {
    margin-right: 20px;
  }

  .cta-actions {
    flex-direction: column;
  }

  .cta-actions .btn {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

@media (max-width: 420px) {
  .hero h1 {
    font-size: 2.2rem;
  }

  .hero-stage {
    min-height: 320px;
  }

  .float-card--live {
    display: none;
  }

  .float-card--saving {
    right: 0;
    bottom: 0;
  }

  .hero-strip > .mono {
    font-size: 0.52rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}