:root {
  --font-title: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --blue: #0f2d52;
  --turquoise: #11b5ae;
  --yellow: #ffb400;
  --ink: #10233f;
  --muted: #526174;
  --mist: #eef2f4;
  --white: #ffffff;
  --line: rgba(15, 45, 82, 0.12);
  --shadow: 0 20px 48px rgba(15, 45, 82, 0.12);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: #ffffff;
  color: var(--ink);
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

.site-header {
  align-items: center;
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 24px;
  justify-content: space-between;
  left: 0;
  padding: 14px max(22px, env(safe-area-inset-left)) 14px max(22px, env(safe-area-inset-right));
  position: sticky;
  right: 0;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
}

.brand img {
  display: block;
  height: 42px;
  width: auto;
}

.site-nav {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.site-nav a {
  border-radius: 999px;
  color: var(--blue);
  font-size: 0.9rem;
  font-weight: 800;
  padding: 9px 12px;
}

.site-nav a:hover {
  background: var(--mist);
}

.hero {
  background:
    linear-gradient(90deg, rgba(15, 45, 82, 0.92) 0%, rgba(15, 45, 82, 0.74) 42%, rgba(15, 45, 82, 0.14) 78%),
    url("assets/opobus-landing-hero.png") center/cover no-repeat;
  color: #ffffff;
  min-height: calc(100vh - 72px);
  min-height: calc(100dvh - 72px);
  padding: 80px max(22px, env(safe-area-inset-left)) 90px max(22px, env(safe-area-inset-right));
  position: relative;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin: 0 auto;
  max-width: 1180px;
  min-height: calc(100vh - 242px);
  min-height: calc(100dvh - 242px);
}

.eyebrow,
.section-kicker {
  align-self: flex-start;
  border-radius: 999px;
  display: inline-flex;
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0;
  line-height: 1;
  padding: 9px 12px;
  text-transform: uppercase;
}

.eyebrow {
  background: rgba(255, 180, 0, 0.95);
  color: var(--blue);
  margin-bottom: 18px;
}

.hero h1,
.section h2,
.final-cta h2 {
  font-family: var(--font-title);
  font-weight: 900;
  letter-spacing: 0;
}

.hero h1 {
  color: #ffffff;
  font-size: 4.8rem;
  line-height: 0.98;
  max-width: 900px;
}

.hero h1::first-line {
  color: #ffffff;
}

.hero p {
  color: rgba(255, 255, 255, 0.90);
  font-size: 1.22rem;
  line-height: 1.62;
  margin-top: 24px;
  max-width: 710px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.hero-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero-steps span {
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  color: #ffffff;
  font-weight: 900;
  padding: 9px 12px;
}

.hero-steps span:nth-child(2) {
  background: var(--yellow);
  border-color: var(--yellow);
  color: var(--blue);
}

.hero-steps span:nth-child(3) {
  background: var(--turquoise);
  border-color: var(--turquoise);
  color: #ffffff;
}

.hero-note {
  font-size: 0.95rem !important;
  max-width: 620px !important;
}

.btn {
  align-items: center;
  border: 0;
  border-radius: 12px;
  cursor: pointer;
  display: inline-flex;
  font-family: var(--font-body);
  font-size: 0.98rem;
  font-weight: 900;
  gap: 10px;
  justify-content: center;
  min-height: 48px;
  padding: 13px 20px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--turquoise), #0b9690);
  box-shadow: 0 16px 28px rgba(17, 181, 174, 0.28);
  color: #ffffff;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.34);
  color: #ffffff;
}

.section {
  margin: 0 auto;
  max-width: 1180px;
  padding: 88px 22px;
}

.section-copy {
  max-width: 760px;
}

.section-kicker {
  background: rgba(17, 181, 174, 0.12);
  color: #087f79;
  margin-bottom: 14px;
}

.section h2,
.final-cta h2 {
  color: var(--blue);
  font-size: 2.85rem;
  line-height: 1.04;
}

.section-copy p,
.split-section p,
.solution-panel p,
.beta-copy p,
.final-cta p {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.7;
  margin-top: 18px;
}

.problem-section {
  display: grid;
  gap: 34px;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
}

.problem-grid,
.feature-grid,
.steps-grid {
  display: grid;
  gap: 16px;
}

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

.problem-grid div,
.feature-card,
.steps-grid article,
.waitlist-form,
.faq-list details,
.price-note {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 12px 28px rgba(15, 45, 82, 0.07);
}

.problem-grid div {
  align-items: flex-start;
  color: var(--blue);
  display: flex;
  font-weight: 800;
  gap: 12px;
  line-height: 1.45;
  padding: 18px;
}

.problem-grid i,
.feature-card i,
.price-note i {
  color: var(--turquoise);
}

.solution-section {
  max-width: none;
  padding-left: 22px;
  padding-right: 22px;
}

.solution-panel {
  background: linear-gradient(135deg, var(--blue), #124f74 64%, var(--turquoise));
  border-radius: 18px;
  box-shadow: var(--shadow);
  color: #ffffff;
  margin: 0 auto;
  max-width: 1180px;
  padding: 54px;
}

.solution-panel h2,
.solution-panel p {
  color: #ffffff;
  max-width: 820px;
}

.solution-panel .section-kicker {
  background: var(--yellow);
  color: var(--blue);
}

.solution-panel strong {
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 12px;
  display: inline-flex;
  font-size: 1.1rem;
  margin-top: 26px;
  padding: 14px 16px;
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 32px;
}

.feature-card {
  min-height: 210px;
  padding: 24px;
}

.feature-card i {
  align-items: center;
  background: rgba(17, 181, 174, 0.12);
  border-radius: 12px;
  display: inline-flex;
  font-size: 1.2rem;
  height: 44px;
  justify-content: center;
  margin-bottom: 18px;
  width: 44px;
}

.feature-card.highlight i {
  background: rgba(255, 180, 0, 0.18);
  color: #b87500;
}

.feature-card h3,
.steps-grid h3 {
  color: var(--blue);
  font-family: var(--font-title);
  font-size: 1.22rem;
  font-weight: 900;
}

.feature-card p,
.steps-grid p,
.faq-list p,
.form-note,
.form-success {
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.62;
  margin-top: 10px;
}

.split-section,
.beta-section {
  align-items: start;
  display: grid;
  gap: 34px;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
}

.audience-section {
  background: var(--mist);
  max-width: none;
}

.audience-section .section-copy,
.audience-list {
  margin-left: auto;
  margin-right: auto;
  max-width: 1180px;
}

.audience-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.audience-list span {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--blue);
  font-weight: 800;
  padding: 11px 14px;
}

.steps-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 30px;
}

.steps-grid article {
  padding: 26px;
}

.steps-grid span {
  align-items: center;
  background: var(--yellow);
  border-radius: 50%;
  color: var(--blue);
  display: inline-flex;
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 900;
  height: 42px;
  justify-content: center;
  margin-bottom: 20px;
  width: 42px;
}

.beta-section {
  background:
    radial-gradient(circle at 88% 16%, rgba(255, 180, 0, 0.20), transparent 30%),
    linear-gradient(135deg, rgba(238, 242, 244, 0.98), rgba(255, 255, 255, 1) 58%, rgba(17, 181, 174, 0.12));
  border-radius: 18px;
  margin-bottom: 88px;
  max-width: 1180px;
  padding: 42px;
}

.price-note {
  align-items: flex-start;
  display: flex;
  gap: 14px;
  margin-top: 24px;
  padding: 18px;
}

.price-note strong {
  color: var(--blue);
}

.price-note p {
  font-size: 0.95rem;
  margin-top: 6px;
}

.waitlist-form {
  display: grid;
  gap: 14px;
  padding: 22px;
}

.waitlist-form label {
  color: var(--blue);
  display: grid;
  font-size: 0.9rem;
  font-weight: 900;
  gap: 7px;
}

.waitlist-form input {
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--blue);
  font: inherit;
  min-height: 48px;
  outline: none;
  padding: 12px 13px;
}

.waitlist-form input:focus {
  border-color: var(--turquoise);
  box-shadow: 0 0 0 4px rgba(17, 181, 174, 0.14);
}

.form-success {
  color: #087f79;
  font-weight: 800;
  min-height: 24px;
}

.faq-section {
  padding-top: 0;
}

.faq-list {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.faq-list details {
  padding: 18px 20px;
}

.faq-list summary {
  color: var(--blue);
  cursor: pointer;
  font-weight: 900;
}

.final-cta {
  background: linear-gradient(135deg, var(--blue), var(--turquoise));
  color: #ffffff;
  margin: 0 auto 70px;
  max-width: 1180px;
  padding: 58px 28px;
  text-align: center;
}

.final-cta h2,
.final-cta p {
  color: #ffffff;
  margin-left: auto;
  margin-right: auto;
  max-width: 760px;
}

.final-cta .btn {
  margin-top: 28px;
}

.site-footer {
  align-items: center;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 18px;
  justify-content: space-between;
  padding: 24px 22px;
}

.site-footer img {
  height: 36px;
  width: auto;
}

.site-footer p {
  color: var(--muted);
  font-size: 0.88rem;
  max-width: 720px;
  text-align: right;
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .hero h1 {
    font-size: 3.35rem;
  }

  .hero p {
    font-size: 1.05rem;
  }

  .problem-section,
  .split-section,
  .beta-section {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .steps-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .site-header {
    position: relative;
  }

  .site-nav a {
    background: var(--mist);
    flex: 1 1 auto;
    text-align: center;
  }

  .hero {
    min-height: auto;
    padding-bottom: 62px;
    padding-top: 54px;
  }

  .hero-inner {
    min-height: auto;
  }

  .hero h1 {
    font-size: 2.45rem;
    line-height: 1.05;
  }

  .hero-actions,
  .hero-actions .btn,
  .waitlist-form .btn {
    width: 100%;
  }

  .section {
    padding-bottom: 62px;
    padding-top: 62px;
  }

  .section h2,
  .final-cta h2 {
    font-size: 2rem;
  }

  .problem-grid,
  .feature-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .solution-panel,
  .beta-section {
    border-radius: 0;
    margin-left: -22px;
    margin-right: -22px;
    padding: 34px 22px;
  }

  .audience-list span {
    border-radius: 12px;
    width: 100%;
  }

  .final-cta {
    margin-bottom: 0;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-footer p {
    text-align: left;
  }
}