:root {
  --font-sans: "Montserrat", "Trebuchet MS", "Segoe UI", Arial, Helvetica,
    sans-serif;
  --content-max: 1200px;
  --gutter: clamp(1.5rem, 4vw, 3.5rem);
  --radius: 24px;
  --shadow-soft: 0 30px 60px rgba(0, 0, 0, 0.12);
  --transition: 220ms ease;
}

:root[data-theme="light"] {
  --bg: #ffffff;
  --text: #0b0b0e;
  --muted: #445665;
  --surface: #f5f7f9;
  --outline: #d5e1e7;
  --accent-1: #a2d3ea;
  --accent-2: #32acc7;
  --accent-3: #023047;
  --accent-4: #ffb703;
  --accent-5: #fb8500;
  --ambient-opacity: 0.2;
  --toggle-knob: #fb8500;
  --link: var(--accent-3);
  --btn-primary-bg: var(--accent-5);
  --btn-primary-hover: var(--accent-4);
  --btn-secondary-bg: var(--accent-1);
  --btn-secondary-hover: var(--accent-2);
  --btn-text: #0b0b0e;
  --chip-dark-bg: var(--accent-3);
  --chip-warm-bg: var(--accent-2);
  --chip-cool-bg: var(--accent-1);
  --toast-text: #0b0b0e;
  --toast-error-text: #b00020;
}

:root[data-theme="dark"] {
  --bg: #0b0b0e;
  --text: #f7f7f7;
  --muted: #b8b8c6;
  --surface: #15151b;
  --outline: #2a2b34;
  --accent-1: #de1ffa;
  --accent-2: #f5297b;
  --accent-3: #ff4a0e;
  --accent-4: #ee9321;
  --accent-5: #f9c924;
  --ambient-opacity: 0.12;
  --toggle-knob: #de1ffa;
  --link: var(--accent-1);
  --btn-primary-bg: var(--accent-1);
  --btn-primary-hover: var(--accent-2);
  --btn-secondary-bg: var(--accent-3);
  --btn-secondary-hover: var(--accent-4);
  --btn-text: #f7f7f7;
  --chip-dark-bg: var(--accent-3);
  --chip-warm-bg: var(--accent-1);
  --chip-cool-bg: var(--accent-5);
  --toast-text: #f7f7f7;
  --toast-error-text: #f9c924;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: -30% -10% -10% -10%;
  background:
    radial-gradient(circle at 10% 10%, rgba(255, 183, 3, 0.2), transparent 45%),
    radial-gradient(circle at 80% 20%, rgba(50, 172, 199, 0.16), transparent 50%),
    radial-gradient(circle at 25% 80%, rgba(2, 48, 71, 0.14), transparent 40%);
  opacity: var(--ambient-opacity);
  pointer-events: none;
  z-index: -1;
}

a {
  color: var(--link);
  text-decoration: none;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem var(--gutter);
  background: color-mix(in srgb, var(--bg) 94%, transparent);
  border-bottom: 1px solid var(--outline);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  gap: 0.85rem;
  align-items: center;
}

.brand-logo {
  width: 48px;
  height: 48px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.brand-tag {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--muted);
}

.site-nav {
  display: flex;
  gap: 1.5rem;
  font-weight: 500;
  font-size: 0.95rem;
}

.site-nav a {
  position: relative;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.4rem;
  width: 100%;
  height: 2px;
  background: var(--accent-4);
  opacity: 0;
  transform: scaleX(0.7);
  transition: var(--transition);
}

.site-nav a:hover::after,
.site-nav a:focus::after {
  opacity: 1;
  transform: scaleX(1);
}

.theme-toggle {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.toggle-text {
  color: var(--muted);
}

:root[data-theme="light"] .toggle-text--light {
  color: var(--text);
}

:root[data-theme="dark"] .toggle-text--dark {
  color: var(--text);
}

.toggle-button {
  width: 54px;
  height: 30px;
  border-radius: 999px;
  border: 1px solid var(--outline);
  background: var(--surface);
  padding: 0;
  position: relative;
  cursor: pointer;
  transition: var(--transition);
}

.toggle-knob {
  position: absolute;
  top: 3px;
  left: 4px;
  width: 22px;
  height: 22px;
  background: var(--toggle-knob);
  border-radius: 50%;
  transition: var(--transition);
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.2);
}

:root[data-theme="dark"] .toggle-knob {
  transform: translateX(24px);
}

main {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.section {
  position: relative;
  padding: 5.5rem var(--gutter);
  border-top: 1px solid var(--outline);
  overflow: hidden;
}

.section::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--gutter);
  right: var(--gutter);
  height: 4px;
  background: var(--section-accent);
  border-radius: 999px;
}

.section::after {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  background: radial-gradient(
    circle,
    color-mix(in srgb, var(--section-accent) 35%, transparent) 0%,
    transparent 70%
  );
  top: 20%;
  right: 6%;
  opacity: 0.5;
}

.section-content {
  max-width: var(--content-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.section.hero {
  padding-top: 6.5rem;
}

.section.overlap {
  margin-top: -2.5rem;
  padding-top: 7rem;
  z-index: 1;
}

.section.accent-1 {
  --section-accent: var(--accent-1);
}

.section.accent-2 {
  --section-accent: var(--accent-2);
}

.section.accent-3 {
  --section-accent: var(--accent-3);
}

.section.accent-4 {
  --section-accent: var(--accent-4);
}

.section.accent-5 {
  --section-accent: var(--accent-5);
}

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
  align-items: center;
}

.split.reverse .text-block {
  order: 2;
}

.split.reverse .media-block {
  order: 1;
}

.feature-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
  align-items: center;
}

.feature-row.reverse .feature-media {
  order: 2;
}

.feature-row.reverse .feature-text {
  order: 1;
}

.feature-text h3 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.2rem, 2.4vw, 1.8rem);
  font-weight: 600;
}

.feature-text p {
  margin: 0;
  color: var(--muted);
}

.feature-row.flow {
  display: block;
}

.feature-row.flow::after {
  content: "";
  display: block;
  clear: both;
}

.feature-row.flow .feature-media {
  float: right;
  width: min(52%, 540px);
  margin: 0 0 1.5rem 1.5rem;
}

.text-block h1,
.text-block h2,
.text-block h3 {
  margin: 0 0 1rem;
  line-height: 1.15;
}

.text-block h1 {
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  font-weight: 700;
}

.text-block h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 600;
}

.text-block p {
  margin: 0 0 1rem;
  color: var(--muted);
}

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

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.25em;
  font-size: 0.75rem;
  color: var(--section-accent);
  margin-bottom: 1rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 1.5rem 0 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.8rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
}

.btn.primary {
  background: var(--btn-primary-bg);
  color: var(--btn-text);
}

.btn.primary:hover,
.btn.primary:focus {
  background: var(--btn-primary-hover);
}

.btn.ghost {
  background: var(--btn-secondary-bg);
  color: var(--btn-text);
}

.btn.ghost:hover,
.btn.ghost:focus {
  background: var(--btn-secondary-hover);
}

.logo-strip {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.logo-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
}

.chip-dark {
  background: var(--chip-dark-bg);
}

.chip-warm {
  background: var(--chip-warm-bg);
}

.chip-cool {
  background: var(--chip-cool-bg);
}

.logo {
  width: 28px;
  height: 28px;
}

.media-block {
  position: relative;
  display: grid;
  gap: 1.5rem;
}

.roadmap-card {
  border-radius: var(--radius);
  border: 2px solid var(--section-accent);
  min-height: 320px;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  display: flex;
  align-items: center;
  justify-content: center;
}

.roadmap-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  width: 100%;
}

.roadmap-list li {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 0.75rem;
  align-items: center;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text);
}

.roadmap-icon {
  width: 32px;
  height: 32px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  line-height: 1;
  color: var(--roadmap-icon, var(--section-accent));
  background: color-mix(
    in srgb,
    var(--roadmap-icon, var(--section-accent)) 18%,
    transparent
  );
  font-family: "Material Symbols Outlined";
  font-variation-settings: "FILL" 0, "wght" 500, "GRAD" 0, "opsz" 24;
}

.roadmap-icon.icon-harmony {
  --roadmap-icon: color-mix(in srgb, var(--accent-4) 70%, var(--text));
}

.roadmap-icon.icon-melody {
  --roadmap-icon: color-mix(in srgb, var(--accent-2) 70%, var(--text));
}

.roadmap-icon.icon-linear {
  --roadmap-icon: color-mix(in srgb, var(--accent-1) 70%, var(--text));
}

.roadmap-icon.icon-vertical {
  --roadmap-icon: color-mix(in srgb, var(--accent-3) 70%, var(--text));
}

.roadmap-icon.icon-audio {
  --roadmap-icon: color-mix(in srgb, var(--accent-5) 70%, var(--text));
}

.roadmap-icon.icon-ideas {
  --roadmap-icon: color-mix(in srgb, var(--accent-4) 55%, var(--text));
}

.screen-placeholder {
  border-radius: var(--radius);
  border: 2px solid var(--section-accent);
  min-height: 260px;
  padding: 1.5rem;
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.screen-placeholder.has-image {
  padding: 0;
  overflow: hidden;
}

.screen-placeholder.has-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: var(--surface);
}

.screen-placeholder.large {
  min-height: 360px;
}

.screen-placeholder.tall {
  min-height: 420px;
}

.screen-placeholder.mini {
  min-height: 200px;
  max-width: 320px;
}

.video-placeholder {
  position: relative;
  border-radius: var(--radius);
  border: 2px solid var(--section-accent);
  width: 100%;
  padding: clamp(0.75rem, 2vw, 1.5rem) 0;
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--section-accent) 25%, transparent) 0%,
    var(--surface) 70%
  );
  display: block;
  cursor: pointer;
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.video-placeholder.has-video {
  overflow: hidden;
  background: #000;
}

.video-placeholder .video-frame {
  width: 100%;
  position: relative;
  display: block;
  padding-top: 56.25%;
  background: #000;
  border-radius: calc(var(--radius) - 6px);
  overflow: hidden;
}

.video-placeholder.has-video video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.screen-placeholder:hover,
.screen-placeholder:focus,
.video-placeholder:hover,
.video-placeholder:focus {
  transform: translateY(-4px);
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.16);
}

.floating-card {
  position: absolute;
  bottom: -2rem;
  right: -1rem;
  background: var(--surface);
  border-radius: 20px;
  border: 1px solid var(--outline);
  padding: 1rem 1.2rem;
  width: min(260px, 80%);
  box-shadow: var(--shadow-soft);
}

.floating-title {
  margin: 0 0 0.4rem;
  font-weight: 600;
}

.floating-copy {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.callout {
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--section-accent);
  background: color-mix(in srgb, var(--surface) 70%, transparent);
  border-radius: 12px;
}

.triple-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.stacked .screen-placeholder.offset {
  transform: translate(8%, -15%);
  border-style: dashed;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.chip {
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--outline);
  font-size: 0.8rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.form-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 2rem;
  border: 1px solid var(--outline);
  display: grid;
  grid-template-rows: auto auto auto 1fr auto auto;
  gap: 1rem;
  height: 100%;
  align-content: start;
}

.form-title {
  margin: 0;
}

.form-field {
  display: grid;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.hp-field {
  position: absolute;
  left: -9999px;
  height: 1px;
  width: 1px;
  overflow: hidden;
}

.form-grow {
  align-content: start;
}

input,
textarea {
  padding: 0.75rem 0.9rem;
  border-radius: 12px;
  border: 1px solid var(--outline);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
}

.form-field textarea {
  min-height: 180px;
}

input:focus,
textarea:focus {
  outline: 2px solid var(--section-accent);
  outline-offset: 2px;
}

.checkbox-group {
  border: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.checkbox-group legend {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.checkbox-group input {
  accent-color: var(--section-accent);
  margin-right: 0.4rem;
}

.form-note {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 0;
}

.form-notes {
  display: grid;
  gap: 0.4rem;
}

.cf-turnstile {
  align-self: start;
  justify-self: center;
}

.toast-container {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1.5rem, 4vw, 3rem);
  background: rgba(0, 0, 0, 0.55);
  opacity: 0;
  pointer-events: none;
  transition: 220ms ease;
  z-index: 40;
}

.toast-container.show {
  opacity: 1;
  pointer-events: auto;
}

.toast-panel {
  position: relative;
  background: var(--surface);
  color: var(--toast-text);
  border: 2px solid color-mix(in srgb, var(--accent-2) 60%, var(--outline));
  border-radius: 16px;
  padding: 1.5rem 1.6rem;
  width: min(560px, 92vw);
  box-shadow: var(--shadow-soft);
}

.toast-panel.success {
  border-color: color-mix(in srgb, var(--accent-2) 60%, var(--outline));
}

.toast-panel.error {
  border-color: color-mix(in srgb, var(--accent-3) 70%, var(--outline));
  color: var(--toast-error-text);
}

.toast-body {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 1rem;
  align-items: start;
}

.toast-logo {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--bg);
  border: 1px solid var(--outline);
  padding: 0.4rem;
}

.toast-title {
  font-size: 1.1rem;
  margin: 0 0 0.4rem;
  font-weight: 600;
}

.toast-message {
  margin: 0;
  color: inherit;
  white-space: pre-wrap;
}

.toast-close {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid var(--outline);
  background: var(--surface);
  color: inherit;
  font-weight: 700;
  cursor: pointer;
}

.toast-close:hover,
.toast-close:focus {
  background: var(--accent-2);
  color: #0b0b0e;
}

.form-action {
  grid-row: 5;
  width: 100%;
  justify-self: stretch;
}

.form-notes {
  grid-row: 6;
}

.site-footer {
  text-align: center;
  padding: 3rem var(--gutter);
  color: var(--muted);
  border-top: 1px solid var(--outline);
}

.lightbox-modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1.5rem, 4vw, 3.5rem);
  background: rgba(0, 0, 0, 0.65);
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
  z-index: 30;
}

.lightbox-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-panel {
  position: relative;
  width: min(1320px, 100%);
  height: 85vh;
  max-height: 85vh;
  overflow: hidden;
  background: var(--bg);
  border-radius: var(--radius);
  border: 2px solid var(--lightbox-border, var(--accent-1));
  padding: clamp(0.75rem, 2.5vw, 1.5rem);
  box-shadow: var(--shadow-soft);
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: 0.5rem;
}

.lightbox-body {
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-image {
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 16px;
  border: 1px solid var(--outline);
  background: var(--surface);
}

.lightbox-video-frame {
  width: 100%;
  position: relative;
  padding-top: 56.25%;
  border-radius: 16px;
  border: 1px solid var(--outline);
  background: #000;
  overflow: hidden;
}

.lightbox-video-frame[hidden] {
  display: none;
}

.lightbox-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.lightbox-modal.is-video .lightbox-panel {
  height: auto;
  max-height: 90vh;
  padding: 0;
  gap: 0.5rem;
  grid-template-rows: auto auto;
}

.lightbox-modal.is-video .lightbox-body {
  width: 100%;
  display: block;
  padding: clamp(0.75rem, 2vw, 1.5rem) 0;
}

.lightbox-modal.is-video .lightbox-caption {
  padding: 0 1rem 1rem;
}

.lightbox-modal.is-video .lightbox-image {
  display: none;
}

.lightbox-fallback {
  height: 100%;
  min-height: 0;
  width: 100%;
  border-radius: 16px;
  border: 1px dashed var(--outline);
  display: flex;
  align-items: center;
  justify-content: center;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 600;
  color: var(--muted);
}

.lightbox-caption {
  margin: 0;
  color: var(--muted);
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid var(--outline);
  background: var(--surface);
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}

.lightbox-close:hover,
.lightbox-close:focus {
  background: var(--lightbox-border, var(--accent-1));
  color: #0b0b0e;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: 600ms ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

@media (max-width: 900px) {
  .site-header {
    flex-wrap: wrap;
    gap: 1rem;
  }

  .site-nav {
    width: 100%;
    justify-content: space-between;
    flex-wrap: wrap;
  }

  .floating-card {
    position: static;
    width: 100%;
  }

  .feature-row.flow .feature-media {
    float: none;
    width: 100%;
    margin: 0 0 1.5rem 0;
  }
}