:root {
  --page: #f6f8fb;
  --surface: #ffffff;
  --surface-soft: #eef4fb;
  --ink: #111827;
  --muted: #64748b;
  --line: rgba(15, 23, 42, 0.1);
  --blue: #006eda;
  --blue-deep: #034ea2;
  --cyan: #43c8ff;
  --green: #10b981;
  --shadow: 0 24px 70px rgba(15, 23, 42, 0.12);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
}

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

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1180px, calc(100% - 32px));
  min-height: 72px;
  margin: 14px auto 0;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(18px);
  box-shadow: 0 10px 34px rgba(15, 23, 42, 0.08);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.92);
  border-color: var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand img {
  width: 46px;
  height: auto;
  max-height: 46px;
  object-fit: contain;
}

.brand-text strong,
.brand-text small {
  display: block;
  line-height: 1.05;
}

.brand-text strong {
  font-size: 22px;
}

.brand-text small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 26px;
  color: #475569;
  font-size: 14px;
}

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

.header-action,
.primary-button,
.secondary-button,
.signup-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 8px;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.header-action,
.primary-button,
.signup-form button {
  border: 0;
  background: var(--blue);
  color: #fff;
  box-shadow: 0 14px 32px rgba(0, 110, 218, 0.22);
}

.header-action {
  padding: 0 18px;
  font-size: 14px;
}

.primary-button,
.secondary-button {
  padding: 0 24px;
}

.secondary-button {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
}

.header-action:hover,
.primary-button:hover,
.secondary-button:hover,
.signup-form button:hover {
  transform: translateY(-1px);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  align-items: center;
  gap: 22px;
  min-height: calc(100svh - 100px);
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 52px 0 34px;
}

.hero::before {
  position: absolute;
  inset: 9% auto auto 18%;
  width: 44vw;
  height: 44vw;
  max-width: 620px;
  max-height: 620px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(67, 200, 255, 0.18), rgba(67, 200, 255, 0) 68%);
  content: "";
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 650px;
  margin-bottom: 22px;
  font-size: clamp(48px, 7vw, 86px);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(34px, 4.7vw, 58px);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  letter-spacing: 0;
}

.hero-text {
  max-width: 580px;
  margin-bottom: 30px;
  color: #475569;
  font-size: 20px;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 34px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 650px;
  margin: 0;
}

.hero-stats div {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.68);
}

.hero-stats dt {
  margin-bottom: 5px;
  color: var(--ink);
  font-weight: 800;
}

.hero-stats dd {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.hero-visual {
  position: relative;
  z-index: 1;
  overflow: hidden;
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.hero-visual img {
  width: 100%;
  min-height: 430px;
  object-fit: cover;
}

.notice-band {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  width: 100%;
  padding: 18px 24px;
  background: #0f172a;
  color: #fff;
  text-align: center;
}

.notice-band span {
  flex: 0 0 auto;
  padding: 6px 10px;
  border-radius: 8px;
  background: rgba(67, 200, 255, 0.16);
  color: #8be1ff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.section,
.feature-band,
.launch {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.section {
  padding: 92px 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 34px;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.category-card {
  min-height: 248px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.06);
}

.icon-box {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  margin-bottom: 34px;
  border-radius: 8px;
  background: var(--surface-soft);
  color: var(--blue);
}

.icon-box svg {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.category-card p,
.feature-list p,
.launch-copy p {
  color: var(--muted);
  line-height: 1.6;
}

.feature-band {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 40px;
  padding: 64px;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(0, 110, 218, 0.92), rgba(15, 23, 42, 0.96)),
    #0f172a;
  color: #fff;
}

.feature-band .eyebrow {
  color: #8be1ff;
}

.feature-list {
  display: grid;
  gap: 18px;
}

.feature-list div {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 0 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.feature-list div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.feature-list span {
  grid-row: span 2;
  color: var(--cyan);
  font-weight: 900;
}

.feature-list h3 {
  margin-bottom: 4px;
}

.feature-list p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
}

.launch {
  display: grid;
  grid-template-columns: 0.9fr minmax(360px, 0.7fr);
  gap: 42px;
  align-items: start;
  padding: 96px 0;
}

.launch-copy {
  max-width: 660px;
}

.signup-form {
  display: grid;
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.signup-form label {
  display: grid;
  gap: 8px;
  color: #334155;
  font-size: 13px;
  font-weight: 800;
}

.signup-form input,
.signup-form select {
  width: 100%;
  min-height: 48px;
  border: 1px solid rgba(15, 23, 42, 0.14);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  padding: 0 14px;
}

.signup-form input:focus,
.signup-form select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(0, 110, 218, 0.12);
  outline: 0;
}

.signup-form button {
  min-height: 50px;
  cursor: pointer;
  font: inherit;
}

.form-status {
  min-height: 22px;
  margin: 0;
  color: var(--green);
  font-size: 14px;
  font-weight: 700;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 26px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer span {
  color: var(--ink);
  font-weight: 800;
}

@media (max-width: 980px) {
  .nav-links {
    display: none;
  }

  .hero,
  .feature-band,
  .launch {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 42px;
  }

  .hero-visual {
    order: -1;
  }

  .hero-visual img {
    min-height: 320px;
  }

  .category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-band {
    padding: 42px 28px;
  }
}

@media (max-width: 640px) {
  .site-header {
    width: calc(100% - 20px);
    margin-top: 10px;
  }

  .header-action {
    display: none;
  }

  .hero {
    width: calc(100% - 20px);
    min-height: auto;
  }

  h1 {
    font-size: 46px;
  }

  .hero-text {
    font-size: 17px;
  }

  .hero-actions,
  .notice-band,
  .site-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .primary-button,
  .secondary-button {
    width: 100%;
  }

  .hero-stats,
  .category-grid {
    grid-template-columns: 1fr;
  }

  .section,
  .feature-band,
  .launch,
  .site-footer {
    width: calc(100% - 20px);
  }

  .section {
    padding: 66px 0;
  }

  .launch {
    padding: 72px 0;
  }

  .signup-form {
    padding: 18px;
  }
}