:root {
  color-scheme: dark;
  --bg: #04101d;
  --bg-soft: #071827;
  --surface: rgba(13, 31, 48, 0.74);
  --surface-strong: rgba(18, 43, 63, 0.92);
  --line: rgba(159, 218, 255, 0.13);
  --text: #f2f8ff;
  --muted: #9bb0c8;
  --cyan: #00d9ff;
  --cyan-soft: rgba(0, 217, 255, 0.16);
  --green: #66ffb8;
  --yellow: #ffd45a;
  --red: #ff6070;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
  --radius: 28px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 80% 12%, rgba(0, 217, 255, 0.14), transparent 26rem),
    radial-gradient(circle at 12% 35%, rgba(102, 255, 184, 0.08), transparent 22rem),
    linear-gradient(180deg, #020913 0%, var(--bg) 42%, #020913 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px clamp(18px, 5vw, 64px);
  background: rgba(4, 16, 29, 0.74);
  border-bottom: 1px solid rgba(159, 218, 255, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: block;
  object-fit: cover;
  border-radius: 50%;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 0.94rem;
}

.nav-links a {
  transition: color 180ms ease;
}

.nav-links a:hover {
  color: var(--text);
}

.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.language-switch a {
  display: inline-grid;
  place-items: center;
  min-width: 34px;
  min-height: 28px;
  border-radius: 999px;
  transition: color 180ms ease, background 180ms ease;
}

.language-switch a:hover,
.language-switch a.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.section {
  width: min(1120px, calc(100vw - 36px));
  margin: 0 auto;
  padding: 72px 0;
}

.hero {
  display: grid;
  gap: 42px;
  align-items: center;
  min-height: calc(100vh - 68px);
  padding-top: 44px;
}

.hero-copy {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 14px;
  font-size: clamp(4rem, 18vw, 7.8rem);
  line-height: 0.92;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(2rem, 8vw, 4.25rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.08rem;
}

.hero-subtitle {
  margin-bottom: 16px;
  color: #dcf7ff;
  font-size: clamp(1.5rem, 7vw, 3rem);
  font-weight: 750;
  line-height: 1.06;
}

.hero-text,
.section-heading p:not(.eyebrow),
.difference-panel p,
.feature-card p,
.philosophy-grid p,
.mini-screen p,
.faq p,
.footer p {
  color: var(--muted);
  line-height: 1.7;
}

.hero-text {
  max-width: 580px;
  font-size: 1.05rem;
}

.hero-text span,
.hero-text strong {
  display: block;
}

.hero-text span {
  line-height: 1.42;
}

.hero-text strong {
  margin-top: 16px;
  color: #dffaff;
  font-size: 1.12em;
  font-weight: 850;
  line-height: 1.35;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  white-space: nowrap;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.button:not(.button-disabled):hover {
  transform: translateY(-2px);
}

.button-disabled,
.button-disabled:hover {
  cursor: not-allowed;
  opacity: 0.48;
  pointer-events: none;
  transform: none;
}

.button-primary {
  color: #03111f;
  background: var(--cyan);
  box-shadow: 0 0 34px rgba(0, 217, 255, 0.34);
}

.button-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--line);
}

.store-icon {
  display: inline-grid;
  place-items: center;
  min-width: 34px;
  height: 24px;
  padding: 0 6px;
  border-radius: 999px;
  background: rgba(3, 17, 31, 0.16);
  font-size: 0.72rem;
}

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
}

.hero-visual::before {
  content: "";
  position: absolute;
  width: min(74vw, 460px);
  height: min(74vw, 460px);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 217, 255, 0.32), rgba(0, 217, 255, 0.08) 38%, transparent 68%);
  filter: blur(10px);
  opacity: 0.9;
  transform: translateY(18px);
}

.phone {
  position: relative;
  z-index: 1;
  width: min(82vw, 330px);
  min-height: 660px;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 42px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.03));
  box-shadow: var(--shadow), 0 0 110px rgba(0, 217, 255, 0.28);
  transform: rotate(2.4deg);
  animation: phoneFloat 6s ease-in-out infinite;
}

.phone-speaker {
  width: 88px;
  height: 6px;
  margin: 4px auto 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.26);
}

.app-screen,
.mini-screen,
.feature-card,
.philosophy-grid article,
.feeling-card,
.use-case-grid article,
.difference-panel,
.faq details {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--surface), rgba(5, 17, 30, 0.78));
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.18);
}

.app-screen {
  position: relative;
  min-height: 610px;
  padding: 22px;
  border-radius: 32px;
  overflow: hidden;
}

.app-screen::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(118deg, rgba(255, 255, 255, 0.13), transparent 28%),
    radial-gradient(circle at 82% 8%, rgba(0, 217, 255, 0.13), transparent 24rem);
  opacity: 0.64;
  mix-blend-mode: screen;
}

.app-screen > * {
  position: relative;
  z-index: 1;
}

.screen-top,
.metrics-row,
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.screen-top {
  color: var(--muted);
  font-size: 0.9rem;
}

.status-pill {
  padding: 7px 10px;
  color: var(--green);
  background: rgba(102, 255, 184, 0.1);
  border: 1px solid rgba(102, 255, 184, 0.18);
  border-radius: 999px;
}

.run-ring {
  display: grid;
  place-items: center;
  align-content: center;
  width: 216px;
  height: 216px;
  margin: 44px auto 28px;
  border: 12px solid rgba(0, 217, 255, 0.16);
  border-top-color: var(--green);
  border-right-color: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 36px rgba(0, 217, 255, 0.28), inset 0 0 40px rgba(0, 217, 255, 0.08);
  animation: ringGlow 3.4s ease-in-out infinite;
}

.ring-time {
  font-size: 2.3rem;
  font-weight: 850;
}

.ring-label {
  color: var(--muted);
  font-size: 0.86rem;
}

.metrics-row > div,
.message-card {
  padding: 16px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.055);
}

.metrics-row > div {
  flex: 1;
}

.metrics-row span,
.message-card strong {
  display: block;
  font-weight: 850;
}

.metrics-row small,
.message-card span {
  color: var(--muted);
}

.segments,
.mini-bars {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 9px;
  margin: 22px 0;
}

.segment,
.mini-bars span {
  height: 58px;
  border-radius: 999px;
}

.good {
  background: var(--green);
}

.medium {
  background: var(--yellow);
}

.slow {
  background: var(--red);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 28px;
}

.philosophy-grid,
.feature-grid,
.preview-grid,
.feelings-grid,
.use-case-grid {
  display: grid;
  gap: 16px;
}

.philosophy-grid article,
.feature-card,
.mini-screen,
.feeling-card,
.use-case-grid article,
.faq details {
  border-radius: var(--radius);
  padding: 22px;
}

.dot,
.feature-icon {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
  border-radius: 50%;
  color: #02111f;
  font-size: 0.78rem;
  font-weight: 900;
}

.cyan {
  background: var(--cyan);
}

.green {
  background: var(--green);
}

.yellow {
  background: var(--yellow);
}

.feature-card {
  min-height: 220px;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 217, 255, 0.34);
  box-shadow: 0 24px 64px rgba(0, 217, 255, 0.11);
}

.feature-icon {
  background: var(--cyan-soft);
  color: var(--cyan);
  border: 1px solid rgba(0, 217, 255, 0.28);
}

.feedback-icon {
  background: conic-gradient(var(--green), var(--yellow), var(--red), var(--green));
  border: 0;
}

.preview-grid {
  align-items: stretch;
}

.mini-screen {
  min-height: 330px;
}

.mini-header {
  width: 64%;
  height: 18px;
  margin-bottom: 36px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
}

.mini-ring {
  width: 138px;
  height: 138px;
  margin-bottom: 30px;
  border: 9px solid rgba(255, 255, 255, 0.08);
  border-top-color: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 28px rgba(102, 255, 184, 0.16);
}

.mini-bars {
  height: 170px;
  align-items: end;
  grid-template-columns: repeat(4, 1fr);
}

.mini-bars span:nth-child(1) {
  height: 88px;
}

.mini-bars span:nth-child(2) {
  height: 118px;
}

.mini-bars span:nth-child(3) {
  height: 150px;
}

.mini-bars span:nth-child(4) {
  height: 72px;
}

.stat-list {
  display: grid;
  gap: 12px;
  margin-bottom: 32px;
}

.stat-list span {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.stat-list b {
  color: var(--text);
}

.difference-panel {
  display: grid;
  gap: 22px;
  padding: clamp(28px, 6vw, 60px);
  border-radius: 32px;
  background:
    radial-gradient(circle at 18% 15%, rgba(0, 217, 255, 0.16), transparent 24rem),
    linear-gradient(180deg, var(--surface-strong), rgba(5, 17, 30, 0.86));
  border-color: rgba(0, 217, 255, 0.22);
}

.difference-list {
  display: grid;
  gap: 16px;
  padding: 0;
  margin: 30px 0 0;
  list-style: none;
}

.difference-list li {
  min-height: 82px;
  display: flex;
  align-items: center;
  padding: 20px 24px;
  color: #e8fbff;
  border: 1px solid rgba(0, 217, 255, 0.42);
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(0, 217, 255, 0.2), rgba(255, 255, 255, 0.05)),
    rgba(4, 16, 29, 0.38);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 18px 42px rgba(0, 217, 255, 0.13);
  font-size: clamp(1.15rem, 4vw, 1.36rem);
  letter-spacing: 0.035em;
  font-weight: 850;
}

.difference-copy {
  display: grid;
  gap: 14px;
}

.difference-copy p:last-child {
  margin-bottom: 0;
}

.feelings {
  padding-top: 44px;
}

.feeling-card {
  min-height: 160px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 180ms ease, border-color 180ms ease;
}

.feeling-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 217, 255, 0.3);
}

.feeling-card h3 {
  margin-bottom: 0;
  font-size: clamp(1.45rem, 5vw, 2.2rem);
}

.use-cases {
  padding-top: 34px;
}

.compact-heading {
  margin-bottom: 18px;
}

.compact-heading h2 {
  font-size: clamp(1.75rem, 5vw, 3rem);
}

.use-case-grid article {
  min-height: 118px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: end;
  gap: 18px;
  background:
    linear-gradient(180deg, rgba(13, 31, 48, 0.58), rgba(5, 17, 30, 0.76));
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.use-case-grid article:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 217, 255, 0.32);
  box-shadow: 0 22px 48px rgba(0, 217, 255, 0.1);
}

.use-case-dot {
  align-self: flex-start;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  box-shadow: 0 0 14px currentColor, 0 0 28px rgba(0, 217, 255, 0.08);
}

.use-case-grid h3 {
  margin-bottom: 0;
  font-size: 1.16rem;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq summary {
  cursor: pointer;
  font-weight: 800;
}

.faq summary::marker {
  color: var(--cyan);
}

.faq p {
  margin: 14px 0 0;
}

.legal-page {
  width: min(920px, calc(100vw - 36px));
  margin: 0 auto;
  padding: 72px 0;
}

.legal-hero {
  width: auto;
  min-height: 0;
  padding: 28px 0 42px;
  display: block;
}

.legal-hero h1 {
  font-size: clamp(3rem, 12vw, 6.4rem);
}

.lead {
  max-width: 720px;
  color: #dcf7ff;
  font-size: clamp(1.25rem, 4vw, 2rem);
  font-weight: 750;
  line-height: 1.18;
}

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

.legal-content {
  display: grid;
  gap: 18px;
  padding-top: 10px;
}

.legal-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(13, 31, 48, 0.58), rgba(5, 17, 30, 0.76));
}

.legal-content h2 {
  margin: 26px 0 0;
  font-size: clamp(1.35rem, 4vw, 2rem);
}

.legal-card h2 {
  margin-top: 0;
}

.legal-content p,
.legal-content li {
  color: var(--muted);
  line-height: 1.75;
}

.legal-content ul {
  margin: 0;
  padding-left: 1.25rem;
}

.legal-content a {
  color: var(--cyan);
}

.final-cta {
  text-align: center;
}

.final-cta .hero-actions {
  justify-content: center;
}

.footer {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: 34px 0 44px;
  border-top: 1px solid var(--line);
  flex-direction: column;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-bottom: 24px;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-links a {
  transition: color 180ms ease;
}

.footer-links a:hover {
  color: var(--text);
}

.footer p {
  margin-bottom: 0;
}

.footer-small {
  font-size: 0.9rem;
}

@keyframes ringGlow {
  0%,
  100% {
    box-shadow: 0 0 32px rgba(0, 217, 255, 0.22), inset 0 0 34px rgba(0, 217, 255, 0.08);
  }

  50% {
    box-shadow: 0 0 54px rgba(0, 217, 255, 0.42), inset 0 0 44px rgba(102, 255, 184, 0.11);
  }
}

@keyframes phoneFloat {
  0%,
  100% {
    transform: rotate(2.4deg) translateY(0);
  }

  50% {
    transform: rotate(2.4deg) translateY(-10px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .phone {
    transform: rotate(2.4deg);
  }
}

@media (min-width: 680px) {
  .nav-links {
    display: flex;
  }

  .hero-actions {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .button {
    width: auto;
  }

  .philosophy-grid,
  .preview-grid,
  .feelings-grid,
  .use-case-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

@media (min-width: 980px) {
  .hero {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .feature-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .difference-panel {
    grid-template-columns: 0.95fr 1fr;
    align-items: center;
  }

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

  .difference-list li {
    min-height: 116px;
    align-items: end;
  }
}

@media (max-width: 679px) {
  .section {
    width: min(354px, calc(100vw - 36px));
  }

  .hero-actions {
    width: 100%;
  }

  .button {
    width: 100%;
    padding-inline: 14px;
    font-size: 0.95rem;
  }

  .phone {
    width: min(78vw, 304px);
  }
}

@media (max-width: 420px) {
  .site-header {
    padding-inline: 16px;
  }

  .section {
    width: min(362px, calc(100vw - 28px));
  }

  .hero-actions {
    width: 100%;
  }

  .button {
    width: 100%;
    padding-inline: 14px;
    font-size: 0.95rem;
  }

  .phone {
    width: min(78vw, 304px);
    min-height: 610px;
    transform: rotate(1.6deg);
  }

  .app-screen {
    min-height: 560px;
    padding: 18px;
  }

  .run-ring {
    width: 186px;
    height: 186px;
  }

  .ring-time {
    font-size: 2rem;
  }
}