/* ---------------------------------------------------
   Design tokens — swap these when brand is defined
--------------------------------------------------- */
:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f4f4f6;
  --color-text: #111114;
  --color-text-muted: #55555c;
  --color-accent: #2b2bff;
  --color-accent-2: #e2957f;
  --color-border: #e2e2e6;
  --color-surface: #ffffff;

  --font-display: "Instrument Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 7rem;

  --radius: 14px;
  --max-width: 1120px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------------------------------------------------
   Reset / base
--------------------------------------------------- */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  transition: background 0.3s ease, color 0.3s ease;
}

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.08;
  margin: 0 0 var(--space-2);
  font-weight: 600;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.75rem, 6vw, 4.75rem); }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.75rem); }
h3 { font-size: 1.1875rem; font-weight: 600; }

p { margin: 0 0 var(--space-2); color: var(--color-text-muted); }

a { color: inherit; }

ul { margin: 0; padding: 0; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

/* ---------------------------------------------------
   Scroll reveal
--------------------------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------------------------------------------------
   Nav
--------------------------------------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 72%, transparent);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid var(--color-border);
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
}

.nav__brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1875rem;
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav__links {
  display: flex;
  gap: var(--space-3);
}

.nav__links a {
  position: relative;
  text-decoration: none;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  transition: color 0.15s ease;
  padding-bottom: 4px;
}

.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}

.nav__links a:hover { color: var(--color-text); }
.nav__links a.is-active {
  color: var(--color-text);
}
.nav__links a.is-active::after { transform: scaleX(1); }

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav__burger {
  display: none;
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: 999px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.nav__burger span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--color-text);
  transition: transform 0.2s var(--ease), opacity 0.2s ease;
}

body.nav-open .nav__burger span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
body.nav-open .nav__burger span:nth-child(2) { opacity: 0; }
body.nav-open .nav__burger span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

.nav__links-mobile {
  display: none;
  flex-direction: column;
  padding: 0 var(--space-3) var(--space-2);
  gap: var(--space-2);
}

.nav__links-mobile a {
  text-decoration: none;
  font-size: 1rem;
  color: var(--color-text-muted);
  padding: var(--space-1) 0;
  border-bottom: 1px solid var(--color-border);
}

.nav__links-mobile a.is-active { color: var(--color-text); }

/* ---------------------------------------------------
   Hero
--------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: var(--space-4) var(--space-3);
  isolation: isolate;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(color-mix(in srgb, var(--color-text) 6%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--color-text) 6%, transparent) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 45%, black 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 45%, black 20%, transparent 75%);
}

.hero__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(60vh, 60vw);
  height: min(60vh, 60vw);
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle at center, color-mix(in srgb, var(--color-accent) 22%, transparent), transparent 70%);
  filter: blur(30px);
  animation: pulse 7s ease-in-out infinite;
  pointer-events: none;
}

@keyframes pulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.hero__content .eyebrow,
.hero__content h1 {
  text-shadow:
    0 0 1px var(--color-bg),
    0 0 5px var(--color-bg),
    0 0 11px var(--color-bg);
}

.hero__eyebrow {
  opacity: 0;
  transform: translateY(10px);
  animation: eyebrow-in 0.8s var(--ease) forwards;
  animation-delay: 4.6s;
}

@keyframes eyebrow-in {
  to { opacity: 1; transform: translateY(0); }
}

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

.hero__title { margin: 0 0 var(--space-3); }

.word {
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
  padding-bottom: 0.08em;
}

.word__inner {
  display: inline-block;
  transform: translateY(115%);
  opacity: 0;
  animation: word-in 0.8s var(--ease) forwards;
  animation-delay: calc(3.2s + var(--i) * 0.07s);
}

@keyframes word-in {
  to { transform: translateY(0); opacity: 1; }
}

.word__inner--brand {
  color: var(--color-accent);
  animation: word-in 0.8s var(--ease) forwards;
  animation-delay: calc(3.2s + var(--i) * 0.07s);
}

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

.hero__cta {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(10px);
  animation: eyebrow-in 0.8s var(--ease) forwards;
  animation-delay: 5.6s;
}

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

.hero__scroll-cue {
  position: absolute;
  bottom: var(--space-3);
  left: 50%;
  transform: translateX(-50%);
  width: 22px;
  height: 36px;
  border: 1.5px solid var(--color-border);
  border-radius: 999px;
  z-index: 1;
}

.hero__scroll-cue span {
  position: absolute;
  top: 6px;
  left: 50%;
  width: 4px;
  height: 8px;
  border-radius: 999px;
  background: var(--color-accent);
  transform: translateX(-50%);
  animation: scroll-cue 1.8s ease-in-out infinite;
}

@keyframes scroll-cue {
  0% { opacity: 0; top: 6px; }
  30% { opacity: 1; }
  70% { opacity: 1; }
  100% { opacity: 0; top: 18px; }
}

/* ---------------------------------------------------
   Sections
--------------------------------------------------- */
.section {
  padding: var(--space-6) var(--space-3);
  position: relative;
}

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

.section__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section__lede {
  max-width: 620px;
  font-size: 1.0625rem;
  margin-bottom: var(--space-4);
}

.feature-grid,
.usecase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-3);
}

.feature,
.usecase {
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  transition: transform 0.3s var(--ease), border-color 0.3s ease, box-shadow 0.3s ease;
}

.feature:hover,
.usecase:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--color-accent) 50%, var(--color-border));
  box-shadow: 0 16px 40px -20px color-mix(in srgb, var(--color-accent) 35%, transparent);
}

.feature__num {
  display: block;
  font-family: var(--font-display);
  font-size: 0.8125rem;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
  letter-spacing: 0.08em;
}

.feature h3,
.usecase h3 {
  margin-bottom: var(--space-1);
}

.feature p,
.usecase p {
  margin: 0;
  font-size: 0.9375rem;
}

/* ---------------------------------------------------
   Control app phone mockup
--------------------------------------------------- */
.app-preview {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
}

.app-preview__copy {
  flex: 1;
  min-width: 240px;
}

.app-preview__copy h3 { margin-bottom: var(--space-1); }
.app-preview__copy p {
  margin: 0;
  max-width: 420px;
}

.app-preview__phone {
  --app-primary: #7c5cbf;
  --app-on-primary: #ffffff;
  --app-primary-container: #eddcff;
  --app-on-primary-container: #270057;
  --app-secondary-container: #e8def8;
  --app-on-secondary-container: #1e192b;
  --app-surface: #fffbfe;
  --app-surface-variant: #e7e0ec;
  --app-on-surface: #1c1b1f;
  --app-on-surface-variant: #49454e;
  --app-background: #f4eff9;
  --app-success: #386a20;

  flex-shrink: 0;
  position: relative;
  width: 260px;
  height: 540px;
  background: #3f4247;
  border-radius: 40px;
  padding: 12px;
  box-shadow: 0 30px 60px -25px rgba(0, 0, 0, 0.45);
}

.app-preview__notch {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 90px;
  height: 22px;
  background: #3f4247;
  border-radius: 0 0 14px 14px;
  z-index: 2;
}

.app-preview__screen {
  position: relative;
  width: 100%;
  height: 100%;
  background: var(--app-background);
  border-radius: 28px;
  overflow: hidden;
  padding: 28px 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-family: var(--font-sans);
}

.app-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2px;
}

.app-topbar__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--app-primary);
}

.app-status-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--app-primary-container);
  color: var(--app-on-primary-container);
  font-size: 0.6875rem;
  font-weight: 600;
}

.app-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--app-success);
}

.app-now-playing {
  background: var(--app-primary-container);
  border-radius: 18px;
  padding: 14px 16px;
}

.app-now-playing__label {
  font-size: 0.625rem;
  color: var(--app-on-primary-container);
  opacity: 0.7;
}

.app-now-playing__title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--app-on-primary-container);
  margin-top: 2px;
}

.app-now-playing__meta {
  font-size: 0.6875rem;
  color: var(--app-on-primary-container);
  opacity: 0.65;
  margin-top: 2px;
}

.app-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.app-fab {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 0.9375rem;
}

.app-fab--sm {
  width: 36px;
  height: 36px;
  background: var(--app-secondary-container);
  color: var(--app-on-secondary-container);
}

.app-fab--lg {
  width: 48px;
  height: 48px;
  background: var(--app-primary);
  color: var(--app-on-primary);
  font-size: 1.125rem;
}

.app-card-title {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--app-on-surface-variant);
  padding: 0 2px;
}

.app-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.app-list__item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--app-surface);
  border-radius: 12px;
}

.app-list__item--active {
  background: var(--app-primary-container);
  border-left: 3px solid var(--app-primary);
}

.app-list__pos {
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--app-on-surface-variant);
  width: 14px;
  text-align: center;
  flex-shrink: 0;
}

.app-list__thumb {
  width: 28px;
  height: 22px;
  border-radius: 5px;
  background: var(--app-secondary-container);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6875rem;
  flex-shrink: 0;
}

.app-list__name {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--app-on-surface);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (max-width: 720px) {
  .app-preview { flex-direction: column; text-align: center; }
  .app-preview__copy p { margin-left: auto; margin-right: auto; }
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-3);
}

.showcase-tile {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  transition: transform 0.4s var(--ease);
  margin: 0;
}

.showcase-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.showcase-tile:hover { transform: scale(1.02); }

.checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-width: 420px;
}

.checklist li {
  padding-left: var(--space-3);
  position: relative;
  color: var(--color-text);
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-accent) 18%, transparent);
}

/* ---------------------------------------------------
   Buttons / forms
--------------------------------------------------- */
.button {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.8rem 1.65rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9375rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), opacity 0.2s ease, box-shadow 0.25s ease, background 0.2s ease;
}

.button--primary {
  background: var(--color-accent);
  color: #ffffff;
  box-shadow: 0 8px 24px -10px color-mix(in srgb, var(--color-accent) 60%, transparent);
}

.button--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px -12px color-mix(in srgb, var(--color-accent) 70%, transparent);
}

.button--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.button--ghost:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-width: 420px;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.contact-form input,
.contact-form textarea {
  font-family: inherit;
  font-size: 1rem;
  padding: 0.7rem 0.85rem;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 20%, transparent);
}

.contact-form button {
  align-self: flex-start;
  margin-top: var(--space-1);
}

.contact-form__status {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  min-height: 1.2em;
}

.contact-form__status.is-error {
  color: var(--color-accent-2);
}

/* ---------------------------------------------------
   Footer
--------------------------------------------------- */
.footer {
  border-top: 1px solid var(--color-border);
}

.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-3);
  display: flex;
  justify-content: center;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer__inner a {
  text-decoration: none;
  transition: color 0.15s ease;
}

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

/* ---------------------------------------------------
   Responsive
--------------------------------------------------- */
@media (max-width: 640px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  body.nav-open .nav__links-mobile { display: flex; }

  .footer__inner { flex-direction: column; gap: var(--space-1); text-align: center; }

  .section { padding: var(--space-5) var(--space-2); }
  .section__lede { font-size: 1rem; }

  .hero {
    padding: var(--space-1) var(--space-2) var(--space-2);
    min-height: 78vh;
    align-items: stretch;
  }
  .hero__scroll-cue { display: none; }
  .hero__content {
    display: flex;
    flex-direction: column;
    flex: 1;
  }
  .hero__cta {
    flex-direction: row;
    flex-wrap: nowrap;
    width: 100%;
    gap: var(--space-1);
    margin-top: auto;
  }
  .hero__cta .button {
    flex: 1 1 0;
    padding: 0.65rem 0.75rem;
    font-size: 0.8125rem;
    justify-content: center;
    white-space: nowrap;
    text-align: center;
  }

  .feature-grid,
  .usecase-grid,
  .showcase-grid { grid-template-columns: 1fr; }

  .contact-form { max-width: 100%; }
}