@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Montserrat:wght@500;600;700;800&display=swap");
:root {
  --blue: #106b6e;
  --violet: #d6417a;
  --coral: #f2b542;
  --text: #123a3d;
  --muted: #5a7473;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}
html,
body {
  min-width: 320px;
  height: 100%;
  min-height: 100%;
}
html {
  background: #f4faf9;
}
body {
  color: var(--text);
  font-family: Inter, Arial, sans-serif;
  background: radial-gradient(
      circle at 8% 18%,
      rgba(16, 107, 110, 0.16),
      transparent 28%
    ),
    radial-gradient(circle at 92% 12%, rgba(242, 181, 66, 0.16), transparent 25%),
    radial-gradient(
      circle at 78% 88%,
      rgba(214, 65, 122, 0.12),
      transparent 28%
    ),
    linear-gradient(150deg, #f6fbfa, #eaf4f2 52%, #fdf3e8);
  background-attachment: fixed;
}
body::before {
  position: fixed;
  z-index: 0;
  inset: 0;
  content: "";
  background-image: radial-gradient(
    rgba(16, 107, 110, 0.13) 1px,
    transparent 1px
  );
  background-size: 24px 24px;
  mask-image: linear-gradient(to bottom, black, transparent 72%);
  pointer-events: none;
}
a {
  color: inherit;
  font: inherit;
  text-decoration: none;
}
.app-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 320px;
  height: 100%;
  min-height: 100%;
  padding-bottom: 30px;
  overflow-x: hidden;
}
.container {
  display: flex;
  flex: 1 0 auto;
  flex-direction: column;
  width: min(100% - 28px, 760px);
  height: 100%;
  min-height: 100%;
  margin: 0 auto;
}
.start {
  position: relative;
  display: flex;
  min-height: min(780px, calc(100vh - 110px));
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: clamp(28px, 7vw, 64px) clamp(18px, 5vw, 48px);
  text-align: center;
  animation: rise-in 0.65s ease both;
}
.start__eyebrow {
  margin-bottom: 12px;
  color: var(--blue);
  font-family: Montserrat, sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.start__title {
  max-width: 650px;
  font-family: Montserrat, sans-serif;
  font-size: clamp(36px, 8vw, 66px);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.045em;
  text-wrap: balance;
}
.start__visual {
  position: relative;
  display: grid;
  width: min(78vw, 370px);
  margin: 10px auto 4px;
  place-items: center;
}
.start__img {
  position: relative;
  z-index: 2;
  display: block;
  width: 100%;
  max-width: 250px;
  animation: brain-float 4.4s ease-in-out infinite;
}
.start__orb {
  position: absolute;
  width: 55%;
  aspect-ratio: 1;
  border-radius: 50%;
  filter: blur(38px);
  opacity: 0.32;
}
.start__orb--blue {
  left: 3%;
  background: var(--blue);
}
.start__orb--coral {
  right: 3%;
  background: var(--coral);
}
.start__text {
  max-width: 570px;
  color: var(--muted);
  font-size: clamp(15px, 2.6vw, 18px);
  font-weight: 500;
  line-height: 1.55;
}
.start__btn-wrapper {
  width: min(100%, 390px);
  margin: 26px auto 0;
}
.start-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  width: 100%;
  max-width: 390px;
  min-height: 62px;
  padding: 14px 28px;
  border-radius: 18px;
  background: linear-gradient(
    110deg,
    var(--blue),
    var(--violet) 48%,
    var(--coral)
  );
  box-shadow: 0 16px 34px rgba(16, 107, 110, 0.27);
  color: #fff;
  font-family: Montserrat, sans-serif;
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}
.start-button::after {
  position: absolute;
  inset: -20% auto -20% -35%;
  width: 28%;
  content: "";
  background: rgba(255, 255, 255, 0.36);
  animation: sheen 3.2s ease-in-out infinite;
}
.start-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 42px rgba(16, 107, 110, 0.34);
}
.start-button[aria-disabled="true"] {
  pointer-events: none;
}
.footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 550px;
  padding: 0 16px;
  margin: 0 auto;
  color: gray;
  font-size: 11px;
  line-height: normal;
}
.footer p {
  margin: 0;
  text-align: center;
}
.footer a {
  color: inherit;
  text-decoration: none;
}
@keyframes brain-float {
  0%,
  100% {
    transform: translateY(0);
    filter: drop-shadow(0 18px 24px rgba(16, 107, 110, 0.2));
  }
  50% {
    transform: translateY(-9px) rotate(1deg);
    filter: drop-shadow(0 27px 30px rgba(242, 181, 66, 0.24));
  }
}
@keyframes sheen {
  from {
    transform: translateX(-130%) skewX(-18deg);
  }
  to {
    transform: translateX(330%) skewX(-18deg);
  }
}
@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (orientation: landscape) {
  .start {
    justify-content: flex-start;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}