:root {
  --plus1-blue: #1f5be8;
  --plus1-blue-strong: #0f4cdf;
  --ink: #0f172a;
  --muted: #3f4a60;
  --line: #d2d9e5;
  --card-bg: rgba(255, 255, 255, 0.9);
  --feature-bg: rgba(255, 255, 255, 0.86);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  color: var(--ink);
  background-color: #f5f7fb;
  display: grid;
  place-items: center;
  padding: clamp(16px, 3vw, 36px);
  position: relative;
  overflow: auto;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image: url("./field-lines-white.svg");
  background-size: 640px 640px;
  background-repeat: repeat;
  opacity: 0.82;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 8% 15%, rgba(31, 91, 232, 0.13), transparent 30%),
    radial-gradient(circle at 85% 82%, rgba(15, 23, 42, 0.07), transparent 30%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.84) 0%, rgba(255, 255, 255, 0.52) 100%);
}

.landing-shell {
  width: 100%;
  display: flex;
  justify-content: center;
}

.landing-card {
  width: min(860px, 100%);
  border: 1px solid #dbe3ef;
  border-radius: 26px;
  background: var(--card-bg);
  backdrop-filter: blur(4px);
  box-shadow: 0 26px 55px rgba(15, 23, 42, 0.12);
  padding: clamp(28px, 5vw, 54px);
  text-align: center;
  position: relative;
  overflow: hidden;
  animation: card-enter 500ms ease-out;
}

.landing-card::before {
  content: "";
  position: absolute;
  left: 26px;
  right: 26px;
  top: 0;
  height: 4px;
  border-radius: 0 0 999px 999px;
  background: linear-gradient(90deg, #0f172a 0%, var(--plus1-blue) 56%, #7ea9ff 100%);
}

.landing-card::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  right: -112px;
  bottom: -132px;
  border: 2px solid rgba(31, 91, 232, 0.14);
  border-radius: 28px;
  transform: rotate(-14deg);
  pointer-events: none;
}

.eyebrow {
  margin: 2px 0 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid #d3def3;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.93) 0%, rgba(242, 247, 255, 0.93) 100%);
  padding: 6px 12px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: #1e3a8a;
}

.brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 2.2vw, 20px);
}

.brand-logo {
  width: clamp(64px, 7vw, 82px);
  height: auto;
  flex: 0 0 auto;
}

.brand h1 {
  margin: 0;
  font-family: "Sora", sans-serif;
  font-size: clamp(2.15rem, 4.8vw, 3.2rem);
  letter-spacing: -0.02em;
  line-height: 0.97;
}

.hero-title {
  margin: 18px auto 0;
  max-width: 17ch;
  font-family: "Sora", sans-serif;
  font-size: clamp(1.55rem, 3.9vw, 2.4rem);
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.hero-title span {
  color: var(--plus1-blue);
}

.tagline {
  margin: 12px auto 0;
  max-width: 34ch;
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  font-weight: 700;
  color: var(--muted);
}

.hero-copy {
  margin: clamp(22px, 4vw, 32px) auto 0;
  max-width: 100%;
  display: grid;
  gap: 12px;
}

.feature {
  margin: 0;
  border: 1px solid #dce4f2;
  border-radius: 14px;
  background: var(--feature-bg);
  padding: 14px 14px 14px 16px;
  text-align: left;
  position: relative;
  box-shadow: 0 6px 14px rgba(15, 23, 42, 0.06);
}

.feature::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 4px;
  border-radius: 0 999px 999px 0;
  background: linear-gradient(180deg, var(--plus1-blue) 0%, #7ea9ff 100%);
}

.feature h3 {
  margin: 0 0 4px;
  padding-left: 8px;
  font-size: clamp(1.05rem, 1.9vw, 1.2rem);
  font-weight: 800;
  color: #111827;
}

.feature p {
  margin: 0;
  padding-left: 8px;
  font-size: clamp(0.98rem, 1.65vw, 1.04rem);
  color: #334155;
  line-height: 1.48;
}

.diss-line {
  border: 1px solid #cddcfb;
  background: linear-gradient(180deg, rgba(31, 91, 232, 0.12) 0%, rgba(31, 91, 232, 0.03) 100%);
}

.store-buttons {
  margin-top: clamp(24px, 4vw, 34px);
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}

.store-btn {
  text-decoration: none;
  font-weight: 800;
  font-size: 0.98rem;
  letter-spacing: 0.004em;
  border-radius: 999px;
  padding: 14px 24px;
  min-width: 238px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.store-btn:hover {
  transform: translateY(-3px);
  filter: saturate(1.05);
}

.store-btn:focus-visible {
  outline: 3px solid rgba(31, 91, 232, 0.35);
  outline-offset: 2px;
}

.store-btn::after {
  content: "";
  position: absolute;
  width: 64px;
  height: 180%;
  top: -40%;
  left: -90px;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.23) 50%, transparent 100%);
  transform: skewX(-18deg);
  transition: left 0.3s ease;
}

.store-btn:hover::after {
  left: calc(100% + 22px);
}

.app-store {
  background: linear-gradient(180deg, #111827 0%, #0b1220 100%);
  color: #ffffff;
  box-shadow: 0 10px 20px rgba(17, 24, 39, 0.24);
}

.play-store {
  background: linear-gradient(180deg, var(--plus1-blue) 0%, var(--plus1-blue-strong) 100%);
  color: #ffffff;
  box-shadow: 0 10px 22px rgba(31, 91, 232, 0.32);
}

.micro-copy {
  margin: 14px auto 0;
  max-width: 44ch;
  color: #526178;
  font-size: 0.96rem;
  font-weight: 600;
}

@media (min-width: 760px) {
  .hero-copy {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-copy .feature:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 560px) {
  .landing-card {
    border-radius: 18px;
    padding: 22px 16px 24px;
  }

  .brand {
    gap: 9px;
  }

  .hero-title {
    margin-top: 14px;
  }

  .feature {
    padding: 12px 12px 12px 14px;
  }

  .store-btn {
    flex: 1 1 100%;
    min-width: 0;
  }
}

@keyframes card-enter {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}