:root {
  --bg: #050312;
  --panel: #11101b;
  --border: rgba(142, 141, 168, 0.25);
  --text: #f4f4f8;
  --muted: #b3b3c2;
  --accent: #11f1c0;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(60% 35% at 50% 58%, rgba(0, 188, 129, 0.18), transparent 72%),
    linear-gradient(180deg, #03020b 0%, #020108 58%, #010106 100%);
  line-height: 1.35;
  position: relative;
}

.page-grid {
  pointer-events: none;
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(rgba(146, 145, 170, 0.13) 1px, transparent 1px) 0 0 / 100% 176px,
    linear-gradient(90deg, rgba(146, 145, 170, 0.13) 1px, transparent 1px) 0 0 / 18% 100%;
}

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

.container {
  width: min(1120px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.15rem 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.logo-image {
  display: block;
  width: clamp(108px, 13vw, 140px);
  height: auto;
}

.logo-mark {
  width: 22px;
  height: 18px;
  border-radius: 9px;
  background:
    linear-gradient(#fff 0 0) center 3px / 100% 4px no-repeat,
    linear-gradient(#fff 0 0) center 9px / 82% 4px no-repeat,
    linear-gradient(#fff 0 0) center 15px / 100% 4px no-repeat;
  opacity: 0.95;
}

.logo-text {
  font-size: 2.1rem;
  line-height: 1;
  letter-spacing: -0.02em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  padding: 0.78rem 1.35rem;
  font: 400 1.05rem/1 "Helvetica Neue", Helvetica, Arial, sans-serif;
  text-decoration: none;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(180deg, #1dffcf, #00dcae);
  color: #032d24;
  box-shadow: 0 0 0 2px rgba(26, 238, 190, 0.17), 0 8px 22px rgba(17, 241, 192, 0.2);
}

.hero {
  padding: 7.8rem 0 3.8rem;
  text-align: center;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.6rem, 7vw, 5rem);
  letter-spacing: -0.03em;
  font-weight: 400;
}

.hero p {
  max-width: 700px;
  margin: 1.25rem auto 2rem;
  color: var(--muted);
  font-size: clamp(0.9rem, 1.2vw, 1.35rem);
}

.hero-image,
.image-medium,
.wide-strip {
  border: 1px solid rgba(165, 164, 190, 0.25);
  border-radius: 24px;
  overflow: hidden;
  position: relative;
}

.image-large {
  margin-top: 1.2rem;
  min-height: 590px;
  background: #101225 url("./first.avif") center / cover no-repeat;
}

.image-large::before,
.image-medium::before,
.wide-strip::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 60% 34%, rgba(255, 196, 149, 0.7), transparent 28%),
    linear-gradient(132deg, rgba(255, 89, 115, 0.65) 24%, rgba(255, 241, 112, 0.56) 40%, rgba(84, 255, 235, 0.5) 54%, rgba(130, 115, 255, 0.45) 72%, transparent 86%),
    linear-gradient(180deg, #222058 0%, #3b2c6c 44%, #161739 100%);
}

.image-large::after,
.image-medium::after,
.wide-strip::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 23% 79%, rgba(225, 233, 255, 0.75) 0 11%, transparent 11.8%),
    radial-gradient(circle at 48% 77%, rgba(228, 235, 255, 0.85) 0 12%, transparent 12.7%),
    radial-gradient(circle at 63% 85%, rgba(225, 233, 255, 0.75) 0 14%, transparent 14.7%),
    radial-gradient(circle at 79% 82%, rgba(222, 232, 255, 0.65) 0 12%, transparent 12.9%),
    radial-gradient(circle at 8% 90%, rgba(223, 233, 255, 0.68) 0 11%, transparent 11.8%),
    radial-gradient(circle at 35% 92%, rgba(223, 233, 255, 0.5) 0 10%, transparent 10.7%);
  filter: drop-shadow(0 -10px 20px rgba(14, 11, 26, 0.6));
  opacity: 0.9;
}

.image-large::before {
  display: none;
}

.image-large::after {
  display: none;
}

.problem {
  margin-top: 5.8rem;
  padding: 4.5rem 0 5.3rem;
  border-block: 1px solid rgba(141, 140, 165, 0.2);
  background: linear-gradient(180deg, rgba(16, 14, 29, 0.66), rgba(8, 6, 21, 0.72));
}

.section-head {
  text-align: center;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(1.8rem, 3.2vw, 3rem);
  letter-spacing: -0.03em;
  font-weight: 400;
}

.section-head p {
  margin: 0.95rem 0 0;
  font-size: 1.08rem;
  color: var(--muted);
}

.cards-two {
  margin-top: 3.3rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border: 1px solid rgba(142, 141, 168, 0.2);
}

.problem-card {
  padding: 1.6rem;
  min-height: 174px;
}

.problem-card + .problem-card {
  border-left: 1px solid rgba(142, 141, 168, 0.2);
}

.icon-circle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 30% 20%, #181a31, #0b0a19 72%);
  border: 1px solid rgba(163, 162, 190, 0.22);
  color: #fff;
}

.problem-card h3 {
  margin: 1.45rem 0 0.7rem;
  font-size: 2rem;
  font-weight: 400;
  letter-spacing: -0.015em;
}

.problem-card p {
  margin: 0;
  color: var(--muted);
  font-size: 1.28rem;
}

.split-intro {
  margin-top: 4.2rem;
  border: 1px solid rgba(142, 141, 168, 0.2);
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.intro-copy {
  --intro-grid-offset: clamp(2.4rem, 4.2vw, 3.6rem);
  padding: 2.8rem var(--intro-grid-offset) 3rem 0;
  background: rgba(8, 7, 17, 0.86);
}

.eyebrow {
  margin: 0 0 0 var(--intro-grid-offset);
  font-size: 1.05rem;
  color: #d7d7e4;
}

.intro-copy h2 {
  margin: 0.55rem 0 1.25rem var(--intro-grid-offset);
  font-size: clamp(3rem, 8vw, 5.2rem);
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 0.95;
}

.intro-copy p {
  max-width: 430px;
  margin: 0 0 0 var(--intro-grid-offset);
  color: var(--muted);
  font-size: 1.25rem;
}

.image-medium {
  border: 0;
  border-radius: 0;
  min-height: 368px;
  background: #0b1228 url("./second.avif") center / cover no-repeat;
}

.image-medium::before {
  display: none;
}

.image-medium::after {
  display: none;
}

.wide-strip {
  margin-top: 2rem;
  min-height: 194px;
  background: #111b39 url("./third.avif") center / cover no-repeat;
}

.wide-strip::before {
  display: none;
}

.wide-strip::after {
  display: none;
}

.signup-section {
  padding: 5.7rem 0 5rem;
}

.signup-card {
  margin: 2rem auto 0;
  width: min(720px, 100%);
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 2rem;
  background:
    radial-gradient(50% 110% at 50% 100%, rgba(0, 204, 147, 0.16), transparent 70%),
    linear-gradient(110deg, rgba(28, 24, 41, 0.78), rgba(14, 14, 26, 0.9));
}

.signup-card label {
  display: block;
  margin: 0.5rem 0 0.65rem;
  font-size: 1.2rem;
}

.signup-card input {
  width: 100%;
  border: 0;
  border-radius: 18px;
  padding: 1.05rem 1.3rem;
  margin-bottom: 1rem;
  font: 400 1.55rem/1.4 "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: #272737;
}

.signup-card input::placeholder {
  color: #9a9aa8;
}

.signup-card .btn {
  margin-top: 0.6rem;
}

.signup-card .btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.form-status {
  min-height: 1.4em;
  margin: 0.9rem 0 0;
  font-size: 0.95rem;
}

.form-status[data-state="success"] {
  color: #7affcf;
}

.form-status[data-state="error"] {
  color: #ff9494;
}

.site-footer {
  border-top: 1px solid rgba(142, 141, 168, 0.2);
  padding: 1.9rem 0 2.7rem;
}

.site-footer p {
  margin: 1rem 0 0;
  font-size: 1.15rem;
  color: #cdcfde;
}

@media (max-width: 900px) {
  .logo-text {
    font-size: 1.65rem;
  }

  .problem-card h3 {
    font-size: 1.3rem;
  }

  .problem-card p {
    font-size: 1.02rem;
  }

  .split-intro {
    grid-template-columns: 1fr;
  }

  .image-medium {
    min-height: 290px;
  }

  .site-footer p {
    font-size: 1rem;
  }
}

@media (max-width: 740px) {
  .container {
    width: min(1120px, calc(100% - 1.25rem));
  }

  .site-header {
    padding-top: 0.9rem;
  }

  .site-header .btn {
    padding: 0.72rem 1.08rem;
    font-size: 0.95rem;
  }

  .hero {
    padding-top: 4.25rem;
  }

  .hero p {
    font-size: 1.06rem;
  }

  .intro-copy {
    --intro-grid-offset: 1.2rem;
  }

  .image-large {
    min-height: 360px;
  }

  .cards-two {
    grid-template-columns: 1fr;
  }

  .problem-card + .problem-card {
    border-left: 0;
    border-top: 1px solid rgba(142, 141, 168, 0.2);
  }

  .signup-card {
    padding: 1.2rem;
    border-radius: 20px;
  }

  .signup-card label {
    font-size: 1.05rem;
  }

  .signup-card input {
    font-size: 1rem;
    border-radius: 12px;
  }
}