*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --black: #050a0a;
  --dark-teal: #07121a;
  --mint: #00ffb4;
  --cyan: #00d4ff;
  --white: #ffffff;
  --muted: rgba(255, 255, 255, 0.5);
  --surface: rgba(255, 255, 255, 0.05);
  --surface-strong: rgba(255, 255, 255, 0.09);
  --border: rgba(0, 255, 180, 0.38);
  --shadow: 0 0 20px rgba(0, 255, 180, 0.4);
}

html {
  scroll-behavior: smooth;
  background: var(--black);
  cursor: crosshair;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 15% 0%, rgba(0, 255, 180, 0.12), transparent 34rem),
    linear-gradient(180deg, var(--black) 0%, var(--dark-teal) 48%, var(--black) 100%);
  color: var(--white);
  font-family: "DM Sans", sans-serif;
  line-height: 1.45;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), transparent 74%);
}

a,
button {
  cursor: crosshair;
}

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

.display {
  font-family: "Bebas Neue", sans-serif;
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 0.86;
}

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.15rem clamp(1rem, 4vw, 3.5rem);
  background: linear-gradient(180deg, rgba(5, 10, 10, 0.86), rgba(5, 10, 10, 0.36));
  border-bottom: 1px solid rgba(0, 255, 180, 0.12);
  backdrop-filter: blur(18px);
  animation: fadeDown 0.7s ease both;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-icon {
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid rgba(0, 255, 180, 0.28);
  border-radius: 0.9rem;
  box-shadow: 0 0 22px rgba(0, 255, 180, 0.18);
  object-fit: cover;
}

.wordmark {
  color: var(--mint);
  font-family: "Bebas Neue", sans-serif;
  font-size: clamp(2rem, 4vw, 2.6rem);
  letter-spacing: 0.12em;
  line-height: 1;
}

.nav-cta,
.btn,
.app-badge {
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background 180ms ease;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.7rem;
  padding: 0 1.15rem;
  border-radius: 999px;
  background: var(--mint);
  color: var(--black);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.nav-cta:hover,
.btn:hover,
.app-badge:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow);
}

main,
footer {
  position: relative;
  z-index: 1;
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(0, 760px) minmax(16rem, 1fr);
  align-items: center;
  padding: 7rem clamp(1rem, 6vw, 5rem) 4rem;
  isolation: isolate;
  overflow: hidden;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 720px;
  transform: translateZ(0);
}

.eyebrow {
  display: inline-flex;
  margin-bottom: 1.1rem;
  color: var(--mint);
  font-family: "DM Mono", monospace;
  font-size: clamp(0.72rem, 1.4vw, 0.82rem);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  animation: fadeUp 0.7s ease 0.25s both;
}

h1 {
  position: relative;
  max-width: 760px;
  color: var(--white);
  font-size: clamp(4.2rem, 11vw, 7.7rem);
  text-transform: uppercase;
  text-wrap: balance;
}

h1 .slash {
  position: relative;
  display: inline-block;
}

h1 .slash::after {
  content: "";
  position: absolute;
  left: 6%;
  right: -4%;
  bottom: 0.02em;
  height: 0.075em;
  background: linear-gradient(90deg, var(--mint), var(--cyan));
  transform: skewX(-24deg);
  transform-origin: left center;
  box-shadow: var(--shadow);
}

.hero-subhead {
  max-width: 580px;
  margin-top: 1.35rem;
  color: rgba(255, 255, 255, 0.62);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  animation: fadeUp 0.8s ease 0.55s both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2.1rem;
  animation: fadeUp 0.8s ease 0.72s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.35rem;
  padding: 0 1.35rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-weight: 800;
  letter-spacing: 0.015em;
}

.btn-primary {
  background: var(--mint);
  color: var(--black);
  border-color: var(--mint);
}

.section {
  position: relative;
  padding: clamp(5rem, 11vw, 8rem) clamp(1rem, 5vw, 4rem);
}

.section-inner {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.section-label {
  margin-bottom: 0.8rem;
  color: var(--mint);
  font-family: "DM Mono", monospace;
  font-size: 0.76rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.section-title {
  max-width: 850px;
  font-size: clamp(3.4rem, 8vw, 6.6rem);
  text-transform: uppercase;
}

.features {
  padding-top: clamp(3.5rem, 7vw, 5rem);
  background:
    radial-gradient(circle at 100% 12%, rgba(0, 212, 255, 0.14), transparent 28rem),
    rgba(5, 10, 10, 0.62);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2.8rem;
}

.feature-card {
  position: relative;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: clamp(1.15rem, 2.4vw, 1.6rem);
  border: 1px solid var(--border);
  border-radius: 2rem;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.025)),
    var(--surface);
  opacity: 0;
  transform: translateY(42px);
  transition: opacity 700ms ease, transform 700ms ease, border-color 220ms ease;
}

.feature-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.feature-card:hover {
  border-color: var(--mint);
}

.feature-number {
  display: block;
  color: var(--mint);
  font-family: "Bebas Neue", sans-serif;
  font-size: clamp(5rem, 11vw, 7.6rem);
  line-height: 0.85;
  text-shadow: 0 0 28px rgba(0, 255, 180, 0.42);
}

.feature-card h3 {
  margin-top: 1.15rem;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.feature-card p {
  max-width: 25rem;
  margin-top: 0.55rem;
  margin-bottom: 1.75rem;
  color: var(--muted);
  font-size: 0.98rem;
}

.phone {
  --phone-rotate: -4deg;
  position: relative;
  width: min(74%, 230px);
  aspect-ratio: 9 / 19;
  margin: auto auto -0.2rem;
  padding: 0.8rem;
  border: 1px solid rgba(0, 255, 180, 0.42);
  border-radius: 2.2rem;
  background: linear-gradient(145deg, rgba(0, 255, 180, 0.18), rgba(0, 212, 255, 0.06));
  box-shadow: 0 0 42px rgba(0, 255, 180, 0.16), inset 0 0 18px rgba(255, 255, 255, 0.08);
  transform: rotate(var(--phone-rotate));
  animation: phoneFloat 4.6s ease-in-out infinite;
}

.feature-card:nth-child(2) .phone {
  --phone-rotate: 3deg;
  animation-delay: -1s;
}

.feature-card:nth-child(3) .phone {
  --phone-rotate: -2deg;
  animation-delay: -2s;
}

.phone-screen {
  position: relative;
  height: 100%;
  overflow: hidden;
  border-radius: 1.55rem;
  background:
    radial-gradient(circle at 50% 20%, rgba(0, 255, 180, 0.18), transparent 35%),
    linear-gradient(180deg, #07121a, #020505);
}

.phone-screen::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0.55rem;
  width: 34%;
  height: 0.34rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  transform: translateX(-50%);
  z-index: 1;
  pointer-events: none;
}

.phone-screen-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  padding: 0;
  background: rgba(0, 255, 180, 0.16);
}

.stat {
  min-height: 14rem;
  display: grid;
  place-items: center;
  padding: 2rem;
  background:
    radial-gradient(circle at 50% 0%, rgba(0, 255, 180, 0.11), transparent 70%),
    rgba(7, 18, 26, 0.78);
  text-align: center;
}

.stat strong {
  display: block;
  color: var(--white);
  font-family: "Bebas Neue", sans-serif;
  font-size: clamp(4rem, 10vw, 7rem);
  line-height: 0.85;
}

.stat span {
  display: block;
  margin-top: 0.8rem;
  color: var(--mint);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.how {
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(7, 18, 26, 0.72), rgba(5, 10, 10, 0.82));
}

.steps {
  position: relative;
  display: grid;
  gap: 2rem;
  margin-top: 3rem;
}

.steps::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 2rem;
  bottom: 2rem;
  width: 1px;
  background: linear-gradient(var(--mint), transparent);
  opacity: 0.3;
  transform: translateX(-50%) rotate(10deg);
}

.step {
  position: relative;
  width: min(560px, 92%);
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid rgba(0, 255, 180, 0.28);
  border-radius: 1.8rem;
  background: var(--surface);
  backdrop-filter: blur(14px);
  opacity: 0;
  transition: opacity 760ms ease, transform 760ms ease;
}

.step:nth-child(odd) {
  justify-self: start;
  transform: translateX(-60px);
}

.step:nth-child(even) {
  justify-self: end;
  transform: translateX(60px);
}

.step:nth-child(2) {
  margin-top: -0.6rem;
}

.step.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.step-number {
  color: var(--mint);
  font-family: "Bebas Neue", sans-serif;
  font-size: clamp(5rem, 12vw, 8rem);
  line-height: 0.8;
}

.step h3 {
  margin-top: 0.9rem;
  font-size: clamp(1.45rem, 3vw, 2rem);
  letter-spacing: -0.04em;
}

.step p {
  max-width: 33rem;
  margin-top: 0.55rem;
  color: var(--muted);
}

.faq {
  background:
    radial-gradient(circle at 0% 20%, rgba(0, 255, 180, 0.1), transparent 28rem),
    linear-gradient(180deg, rgba(5, 10, 10, 0.86), rgba(7, 18, 26, 0.72));
}

.faq-list {
  display: grid;
  gap: 1rem;
  margin-top: 2.6rem;
}

.faq-item {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 1.35rem;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.02)),
    var(--surface);
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 700ms ease, transform 700ms ease, border-color 220ms ease;
}

.faq-item.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.faq-item[open],
.faq-item:hover {
  border-color: rgba(0, 255, 180, 0.5);
}

.faq-item summary {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.35rem clamp(1.1rem, 3vw, 1.7rem);
  color: var(--white);
  cursor: pointer;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  list-style: none;
}

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

.faq-item summary::after {
  content: "";
  width: 2rem;
  height: 2rem;
  flex: 0 0 auto;
  border: 1px solid rgba(0, 255, 180, 0.42);
  border-radius: 50%;
  background:
    linear-gradient(var(--mint), var(--mint)) center / 0.72rem 2px no-repeat,
    linear-gradient(var(--mint), var(--mint)) center / 2px 0.72rem no-repeat;
  transition: transform 180ms ease, background 180ms ease;
}

.faq-item[open] summary::after {
  background:
    linear-gradient(var(--mint), var(--mint)) center / 0.72rem 2px no-repeat,
    linear-gradient(var(--mint), var(--mint)) center / 2px 0.72rem no-repeat,
    rgba(0, 255, 180, 0.1);
  transform: rotate(45deg);
}

.faq-item p {
  max-width: 58rem;
  padding: 0 clamp(1.1rem, 3vw, 1.7rem) 1.45rem;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.75;
}

.final-cta {
  display: grid;
  min-height: 72vh;
  place-items: center;
  text-align: center;
  background:
    radial-gradient(circle at 50% 48%, rgba(0, 255, 180, 0.16), transparent 34rem),
    linear-gradient(180deg, rgba(5, 10, 10, 0.74), rgba(2, 5, 5, 0.86));
}

.final-cta .section-inner {
  display: grid;
  justify-items: center;
}

.final-cta h2 {
  max-width: 1000px;
  font-size: clamp(4rem, 10vw, 8.5rem);
  text-transform: uppercase;
}

.final-cta .btn-primary {
  margin-top: 2rem;
}

.app-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 2rem;
  padding: 0.85rem 1.25rem;
  border: 1px solid var(--mint);
  border-radius: 1rem;
  background: rgba(0, 255, 180, 0.1);
  color: var(--mint);
}

.app-badge svg {
  width: 2.15rem;
  height: 2.4rem;
  flex: 0 0 auto;
  fill: currentColor;
}

.app-badge small,
.app-badge strong {
  display: block;
  text-align: left;
}

.app-badge small {
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.app-badge strong {
  font-size: 1.15rem;
  line-height: 1.05;
}

.availability {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1rem;
  align-items: center;
  padding: 1.5rem clamp(1rem, 4vw, 3.5rem);
  border-top: 1px solid rgba(0, 255, 180, 0.16);
  background: rgba(2, 5, 5, 0.9);
  color: var(--muted);
  font-size: 0.86rem;
}

footer .wordmark {
  font-size: 2rem;
}

.footer-link {
  position: relative;
  justify-self: end;
  color: var(--white);
}

.footer-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.25rem;
  height: 1px;
  background: var(--mint);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.footer-link:hover::after {
  transform: scaleX(1);
}

@keyframes fadeDown {
  from {
    opacity: 0;
    transform: translateY(-18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(26px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes phoneFloat {
  0%, 100% {
    translate: 0 0;
  }
  50% {
    translate: 0 -12px;
  }
}

@media (max-width: 900px) {
  .features-grid,
  .stats {
    grid-template-columns: 1fr;
  }

  .feature-card {
    min-height: 0;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: 100svh;
  }

  footer {
    grid-template-columns: 1fr;
    text-align: center;
  }

  footer .wordmark,
  .footer-link {
    justify-self: center;
  }
}

@media (max-width: 768px) {
  .site-nav {
    padding: 0.85rem 1rem;
  }

  .nav-cta {
    min-height: 2.4rem;
    padding: 0 0.9rem;
  }

  .hero {
    min-height: 100svh;
    padding: 6.5rem 1rem 4rem;
  }

  .brand-icon {
    width: 2.35rem;
    height: 2.35rem;
    border-radius: 0.75rem;
  }

  .hero-copy {
    padding-right: 1rem;
    padding-left: 1rem;
  }

  h1 {
    font-size: clamp(3.5rem, 18vw, 5.8rem);
  }

  .hero-subhead {
    font-size: 1rem;
  }

  .btn {
    width: 100%;
  }

  .steps::before {
    left: 1rem;
    transform: none;
  }

  .step,
  .step:nth-child(odd),
  .step:nth-child(even) {
    width: 100%;
    justify-self: stretch;
    transform: translateY(44px);
  }

  .step.is-visible {
    transform: translateY(0);
  }

  .phone {
    width: min(68%, 210px);
    margin-top: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}