:root {
  --bg-day: #f7efe4;
  --bg-night: #0f141b;
  --paper-day: rgba(255, 249, 241, 0.8);
  --paper-night: rgba(23, 30, 40, 0.78);
  --surface-day: #fff9f2;
  --surface-night: #151d27;
  --ink-day: #171311;
  --ink-night: #f7efe6;
  --muted-day: #6d6159;
  --muted-night: #bcc8d8;
  --line-day: rgba(23, 19, 17, 0.08);
  --line-night: rgba(255, 255, 255, 0.09);
  --accent: #d56e37;
  --accent-deep: #a6481f;
  --accent-soft: rgba(213, 110, 55, 0.14);
  --shadow-day: 0 24px 70px rgba(33, 23, 18, 0.08);
  --shadow-night: 0 24px 70px rgba(0, 0, 0, 0.3);
  --radius-xl: 2rem;
  --radius-lg: 1.35rem;
  --radius-md: 1rem;
  --transition: 500ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", "Segoe UI", sans-serif;
  transition: background var(--transition), color var(--transition);
}

body.theme-day {
  color: var(--ink-day);
  background:
    radial-gradient(circle at 12% 6%, rgba(213, 110, 55, 0.2), transparent 23%),
    radial-gradient(circle at 82% 10%, rgba(255, 255, 255, 0.75), transparent 28%),
    linear-gradient(180deg, #fbf6ef 0%, var(--bg-day) 100%);
}

body.theme-night {
  color: var(--ink-night);
  background:
    radial-gradient(circle at 80% 8%, rgba(233, 186, 113, 0.18), transparent 16%),
    radial-gradient(circle at 18% 18%, rgba(95, 135, 196, 0.16), transparent 24%),
    linear-gradient(180deg, #0c1117 0%, var(--bg-night) 100%);
}

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

button {
  font: inherit;
}

.container {
  width: min(1160px, calc(100% - 2rem));
  margin: 0 auto;
}

.page-shell {
  position: relative;
  min-height: 100vh;
  overflow: clip;
}

.ambient {
  position: fixed;
  inset: auto;
  pointer-events: none;
  z-index: 0;
  transition: opacity var(--transition), transform var(--transition), background var(--transition);
}

.ambient--sun {
  top: 5.5rem;
  right: 7%;
  width: 10rem;
  height: 10rem;
  border-radius: 999px;
}

body.theme-day .ambient--sun {
  opacity: 1;
  background: radial-gradient(circle, rgba(255, 230, 164, 0.96) 0%, rgba(255, 204, 110, 0.3) 48%, transparent 70%);
  animation: drift-sun 9s ease-in-out infinite;
}

body.theme-night .ambient--sun {
  opacity: 0.9;
  background: radial-gradient(circle, rgba(245, 225, 182, 0.8) 0%, rgba(245, 225, 182, 0.08) 42%, transparent 68%);
  transform: scale(0.68);
  animation: drift-moon 10s ease-in-out infinite;
}

.ambient--glow {
  bottom: 8%;
  left: 6%;
  width: 18rem;
  height: 18rem;
  border-radius: 999px;
  filter: blur(48px);
}

body.theme-day .ambient--glow {
  background: rgba(213, 110, 55, 0.16);
  opacity: 0.9;
}

body.theme-night .ambient--glow {
  background: rgba(71, 100, 148, 0.18);
  opacity: 1;
}

.ambient--stars {
  inset: 0;
  opacity: 0;
}

.ambient--stars span {
  position: absolute;
  width: 0.22rem;
  height: 0.22rem;
  border-radius: 999px;
  background: rgba(255, 244, 220, 0.92);
  box-shadow: 0 0 12px rgba(255, 244, 220, 0.55);
}

.ambient--stars span:nth-child(1) { top: 12%; left: 14%; }
.ambient--stars span:nth-child(2) { top: 19%; left: 62%; }
.ambient--stars span:nth-child(3) { top: 29%; left: 84%; }
.ambient--stars span:nth-child(4) { top: 43%; left: 9%; }
.ambient--stars span:nth-child(5) { top: 56%; left: 72%; }
.ambient--stars span:nth-child(6) { top: 76%; left: 41%; }

body.theme-night .ambient--stars {
  opacity: 1;
}

body.theme-night .ambient--stars span {
  animation: twinkle 3.4s ease-in-out infinite;
}

body.theme-night .ambient--stars span:nth-child(2n) {
  animation-delay: 1.2s;
}

body.theme-night .ambient--stars span:nth-child(3n) {
  animation-delay: 2.1s;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  transition: background var(--transition), border-color var(--transition);
}

body.theme-day .site-header {
  background: rgba(251, 246, 239, 0.72);
  border-bottom: 1px solid rgba(23, 19, 17, 0.04);
}

body.theme-night .site-header {
  background: rgba(13, 18, 24, 0.68);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-row {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.45rem;
  height: 2.45rem;
  border-radius: 0.9rem;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-deep) 100%);
  color: #fff8f2;
  font-family: "Fraunces", Georgia, serif;
  font-size: 1rem;
}

.brand__text {
  font-size: 1.02rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.site-nav a {
  font-size: 0.95rem;
  font-weight: 600;
  transition: color 160ms ease;
}

body.theme-day .site-nav a {
  color: var(--muted-day);
}

body.theme-night .site-nav a {
  color: var(--muted-night);
}

.site-nav a:hover {
  color: var(--accent);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  border: 1px solid;
}

body.theme-day .nav-cta {
  border-color: rgba(23, 19, 17, 0.14);
  background: rgba(255, 255, 255, 0.56);
  color: var(--ink-day) !important;
}

body.theme-night .nav-cta {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink-night) !important;
}

.nav-toggle {
  display: none;
  border: 1px solid;
  border-radius: 999px;
  padding: 0.75rem 1rem;
  font-weight: 700;
}

body.theme-day .nav-toggle {
  border-color: rgba(23, 19, 17, 0.14);
  background: rgba(255, 255, 255, 0.56);
  color: var(--ink-day);
}

body.theme-night .nav-toggle {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink-night);
}

.hero,
.section,
.positioning,
.sense-section,
.marketing-section,
.contact-section {
  position: relative;
  z-index: 1;
}

.hero {
  padding: 4.8rem 0 2rem;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(440px, 560px);
  gap: 2rem;
  align-items: center;
}

.hero__copy h1,
.positioning-card h2,
.sense-copy h2,
.section-head h2,
.marketing-panel h2,
.contact-panel h2 {
  margin: 0;
  font-family: "Fraunces", Georgia, serif;
  font-weight: 600;
  letter-spacing: -0.05em;
  line-height: 0.96;
}

.hero__copy h1 {
  font-size: clamp(3rem, 6vw, 5.5rem);
}

.status-pill,
.section-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 2.2rem;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

body.theme-day .status-pill,
body.theme-day .section-kicker {
  background: rgba(255, 255, 255, 0.58);
  color: var(--accent-deep);
}

body.theme-night .status-pill,
body.theme-night .section-kicker {
  background: rgba(255, 255, 255, 0.06);
  color: #f1c79f;
}

.hero__subhead {
  margin: 1.1rem 0 0;
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.7;
}

.hero__lede,
.positioning-card p,
.sense-copy p,
.feature-card p,
.marketing-panel p,
.contact-panel p,
.footer-note {
  line-height: 1.8;
}

.hero__lede {
  max-width: 40rem;
  margin: 0.9rem 0 0;
}

body.theme-day .hero__lede,
body.theme-day .positioning-card p,
body.theme-day .sense-copy p,
body.theme-day .feature-card p,
body.theme-day .marketing-panel p,
body.theme-day .contact-panel p,
body.theme-day .footer-note,
body.theme-day .footer-links a,
body.theme-day .footer-bottom p {
  color: var(--muted-day);
}

body.theme-night .hero__lede,
body.theme-night .positioning-card p,
body.theme-night .sense-copy p,
body.theme-night .feature-card p,
body.theme-night .marketing-panel p,
body.theme-night .contact-panel p,
body.theme-night .footer-note,
body.theme-night .footer-links a,
body.theme-night .footer-bottom p {
  color: var(--muted-night);
}

.hero__actions {
  display: flex;
  gap: 0.9rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.2rem;
  padding: 0.9rem 1.2rem;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button--primary {
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-deep) 100%);
  color: #fff8f2;
}

.button--ghost {
  border: 1px solid;
}

body.theme-day .button--ghost {
  border-color: rgba(23, 19, 17, 0.16);
  background: rgba(255, 255, 255, 0.52);
  color: var(--ink-day);
}

body.theme-night .button--ghost {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink-night);
}

.visual-stage {
  display: grid;
  grid-template-columns: minmax(170px, 0.88fr) minmax(250px, 1.08fr) minmax(170px, 0.88fr);
  gap: 1rem;
  align-items: stretch;
}

.visual-column {
  display: grid;
  grid-template-rows: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.visual-column--left {
  padding-top: 1.8rem;
}

.visual-column--right {
  padding-top: 0.8rem;
}

.device-card,
.micro-card,
.positioning-card,
.sense-panel,
.feature-card,
.marketing-panel,
.contact-panel,
.step-card {
  border: 1px solid;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

body.theme-day .device-card,
body.theme-day .micro-card,
body.theme-day .positioning-card,
body.theme-day .sense-panel,
body.theme-day .feature-card,
body.theme-day .contact-panel,
body.theme-day .step-card {
  background: var(--paper-day);
  border-color: var(--line-day);
  box-shadow: var(--shadow-day);
}

body.theme-night .device-card,
body.theme-night .micro-card,
body.theme-night .positioning-card,
body.theme-night .sense-panel,
body.theme-night .feature-card,
body.theme-night .contact-panel,
body.theme-night .step-card {
  background: var(--paper-night);
  border-color: var(--line-night);
  box-shadow: var(--shadow-night);
}

.device-card {
  position: relative;
  padding: 1.15rem;
  border-radius: 1.8rem;
  overflow: hidden;
}

body.theme-day .device-card {
  background:
    radial-gradient(circle at bottom center, rgba(213, 110, 55, 0.16), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.8), rgba(255, 249, 241, 0.96));
}

body.theme-night .device-card {
  background:
    radial-gradient(circle at bottom center, rgba(213, 110, 55, 0.18), transparent 24%),
    linear-gradient(180deg, rgba(21, 29, 39, 0.95), rgba(18, 24, 33, 0.98));
}

.device-card__top,
.priority-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.device-card__top {
  font-size: 0.75rem;
  font-weight: 700;
}

.device-card__hero {
  padding: 1.6rem 0 1rem;
}

.device-card__hero h2 {
  margin: 0;
  font-family: "Fraunces", Georgia, serif;
  font-size: 2rem;
}

.device-card__hero p {
  margin: 0.45rem 0 0;
  line-height: 1.75;
}

.priority-stack {
  display: grid;
  gap: 0.75rem;
}

.priority-row {
  padding: 0.85rem 0.95rem;
  border-radius: 1rem;
  font-size: 0.82rem;
  font-weight: 700;
}

body.theme-day .priority-row {
  background: rgba(255, 255, 255, 0.62);
}

body.theme-night .priority-row {
  background: rgba(255, 255, 255, 0.05);
}

.priority-row--critical span { color: #c25527; }
.priority-row--important span { color: #92711f; }
.priority-row--soft span { color: #7d5c9f; }

.micro-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1rem;
  border-radius: 1.3rem;
  min-height: 11.5rem;
}

.micro-card__label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.micro-card strong,
.feature-card h3,
.step-card h3 {
  display: block;
  font-size: 1rem;
}

.micro-card p {
  margin: 0.45rem 0 0;
  font-size: 0.95rem;
  line-height: 1.7;
}

.micro-card--warm {
  background:
    linear-gradient(180deg, rgba(213, 110, 55, 0.12), rgba(213, 110, 55, 0.04));
}

.micro-card--dark {
  color: #f7efe6;
  background:
    linear-gradient(180deg, rgba(27, 35, 46, 0.94), rgba(16, 22, 30, 0.96));
}

.positioning {
  padding: 1rem 0 1.3rem;
}

.positioning-card {
  padding: 1.6rem;
  border-radius: var(--radius-xl);
}

.positioning-card h2,
.sense-copy h2,
.section-head h2,
.marketing-panel h2,
.contact-panel h2 {
  margin-top: 0.8rem;
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.positioning-card p {
  max-width: 50rem;
  margin: 1rem 0 0;
}

.sense-section,
.section,
.marketing-section,
.contact-section {
  padding: 1.5rem 0;
}

.sense-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 1.5rem;
  align-items: center;
}

.sense-copy p {
  margin: 0.9rem 0 0;
}

.sense-panel {
  padding: 1.25rem;
  border-radius: var(--radius-xl);
}

.sense-panel__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.sense-panel article {
  padding: 1rem;
  border-radius: 1rem;
}

body.theme-day .sense-panel article {
  background: rgba(255, 255, 255, 0.58);
}

body.theme-night .sense-panel article {
  background: rgba(255, 255, 255, 0.05);
}

.sense-panel span {
  display: block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.sense-panel strong {
  display: block;
  margin-top: 0.45rem;
  font-size: 1rem;
}

.section-head {
  max-width: 44rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.feature-card {
  padding: 1.2rem;
  border-radius: var(--radius-lg);
}

.feature-card p {
  margin: 0.7rem 0 0;
}

.marketing-panel {
  padding: 1.7rem;
  border-radius: var(--radius-xl);
}

body.theme-day .marketing-panel {
  background:
    linear-gradient(135deg, #1e1916 0%, #332b25 100%);
  border-color: rgba(255, 255, 255, 0.05);
  box-shadow: var(--shadow-day);
  color: #fff8f0;
}

body.theme-night .marketing-panel {
  background:
    linear-gradient(135deg, #141b24 0%, #1f2a38 100%);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-night);
  color: #fff8f0;
}

.marketing-panel p {
  max-width: 42rem;
  margin: 1rem 0 0;
}

body.theme-day .marketing-panel p,
body.theme-night .marketing-panel p {
  color: rgba(255, 248, 240, 0.74);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.step-card {
  padding: 1.15rem;
  border-radius: var(--radius-lg);
}

.step-card__index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.3rem;
  height: 2.3rem;
  margin-bottom: 0.8rem;
  border-radius: 999px;
  background: var(--accent);
  color: #fff8f2;
  font-size: 0.9rem;
  font-weight: 800;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.5rem;
  align-items: center;
  padding: 1.6rem;
  border-radius: var(--radius-xl);
}

.contact-panel__copy p {
  max-width: 42rem;
  margin: 1rem 0 0;
}

.contact-panel__button {
  white-space: nowrap;
}

.site-footer {
  position: relative;
  z-index: 1;
  padding: 1rem 0 2rem;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid;
}

body.theme-day .footer-row {
  border-color: rgba(23, 19, 17, 0.08);
}

body.theme-night .footer-row {
  border-color: rgba(255, 255, 255, 0.08);
}

.brand--footer {
  margin-bottom: 0.6rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-content: flex-start;
  justify-content: flex-end;
}

.footer-bottom {
  padding-top: 1rem;
}

.fade-in {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes drift-sun {
  0%, 100% { transform: translateY(0px) scale(1); }
  50% { transform: translateY(-8px) scale(1.03); }
}

@keyframes drift-moon {
  0%, 100% { transform: scale(0.68) translateY(0px); }
  50% { transform: scale(0.72) translateY(-6px); }
}

@keyframes twinkle {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.5); }
}

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

  .ambient--sun,
  .ambient--stars span,
  .fade-in,
  .button {
    animation: none !important;
    transition: none !important;
  }

  .fade-in {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 1080px) {
  .hero__grid,
  .sense-layout,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .steps-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .visual-stage {
    max-width: 48rem;
    margin: 0 auto;
  }

  .visual-column--left,
  .visual-column--right {
    padding-top: 0;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 1rem;
    left: 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    border-radius: 1.2rem;
    border: 1px solid;
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.16);
  }

  body.theme-day .site-nav {
    background: rgba(255, 249, 241, 0.98);
    border-color: rgba(23, 19, 17, 0.08);
  }

  body.theme-night .site-nav {
    background: rgba(15, 21, 28, 0.98);
    border-color: rgba(255, 255, 255, 0.08);
  }

  .site-nav.is-open {
    display: flex;
  }

  .visual-stage {
    grid-template-columns: 1fr;
  }

  .visual-column {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 1rem, 100%);
  }

  .hero {
    padding-top: 3.5rem;
  }

  .hero__actions,
  .footer-row,
  .footer-links,
  .contact-panel {
    flex-direction: column;
    align-items: stretch;
  }

  .button,
  .contact-panel__button {
    width: 100%;
  }

  .feature-grid,
  .steps-grid,
  .sense-panel__grid,
  .visual-column {
    grid-template-columns: 1fr;
  }
}