:root {
  --bg: #f5f5f3;
  --surface: #ffffff;
  --text: #161616;
  --muted: #4f4f4f;
  --line: rgba(22, 22, 22, 0.12);
  --accent: #5ab3ff;
  --accent-soft: #dff0ff;
  --accent-strong: #2e98f3;
  --container: 1280px;
  --radius: 28px;
  --shadow: 0 14px 40px rgba(22, 22, 22, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.4;
}

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

button,
a,
input {
  transition: all 0.25s ease;
}

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

.container {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(245, 245, 243, 0.82);
  border-bottom: 1px solid rgba(22, 22, 22, 0.06);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 76px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.logo__mark {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  background: var(--accent-strong);
  transform: rotate(18deg);
}

.logo__text {
  font-size: 1.1rem;
}

.nav {
  display: none;
  align-items: center;
  gap: 28px;
  color: var(--muted);
  font-size: 0.95rem;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 28px;
  border-radius: 999px;
  border: 1px solid var(--text);
  background: var(--text);
  color: #fff;
  font-weight: 600;
  text-align: center;
  box-shadow: var(--shadow);
}

.button:hover {
  transform: translateY(-2px);
  background: var(--accent-strong);
  border-color: var(--accent-strong);
}

.button--small {
  min-height: 46px;
  padding: 0 20px;
  font-size: 0.95rem;
  box-shadow: none;
}

.button--dark {
  background: transparent;
  color: var(--text);
  box-shadow: none;
}

.button--dark:hover {
  color: #fff;
}

.hero,
.audience,
.problem,
.solution {
  position: relative;
  overflow: clip;
}

.hero {
  min-height: calc(100svh - 76px);
  display: flex;
  align-items: center;
  padding: 72px 0 56px;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 920px;
}

.eyebrow,
.section-label {
  display: inline-block;
  margin: 0 0 18px;
  color: var(--accent-strong);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero__title,
.problem__title,
.section-title {
  margin: 0;
  font-size: clamp(2.8rem, 9vw, 6.2rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
  font-weight: 800;
}

.hero__text {
  margin: 28px auto 0;
  max-width: 760px;
  font-size: clamp(1.05rem, 2.4vw, 1.45rem);
  line-height: 1.45;
  color: var(--muted);
}

.hero__actions {
  margin-top: 34px;
}

.hero__shape {
  position: absolute;
  background: linear-gradient(135deg, rgba(90, 179, 255, 0.08), rgba(90, 179, 255, 0.2));
  border: 1px solid rgba(90, 179, 255, 0.14);
}

.hero__shape--one {
  top: 8%;
  left: -6%;
  width: 44vw;
  height: 22vw;
  min-width: 240px;
  min-height: 140px;
  transform: rotate(-24deg);
  border-radius: 26px;
}

.hero__shape--two {
  right: -10%;
  top: 18%;
  width: 36vw;
  height: 20vw;
  min-width: 220px;
  min-height: 140px;
  transform: rotate(20deg);
  border-radius: 999px;
}

.hero__shape--three {
  left: 25%;
  bottom: -8%;
  width: 42vw;
  height: 18vw;
  min-width: 260px;
  min-height: 140px;
  transform: rotate(-16deg);
  border-radius: 34px;
}

.audience {
  padding: 96px 0;
  background: var(--accent-soft);
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 40px;
}

.section-head--compact {
  max-width: 980px;
}

.audience__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.audience-card {
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(22, 22, 22, 0.08);
  border-radius: var(--radius);
  padding: 26px 22px;
}

.audience-card h3 {
  margin: 0 0 12px;
  font-size: 1.35rem;
  letter-spacing: -0.04em;
}

.audience-card p {
  margin: 0;
  font-size: 1rem;
  color: var(--muted);
}

.section-cta {
  margin-top: 36px;
  display: flex;
  justify-content: center;
}

.section-cta--left {
  justify-content: flex-start;
}

.problem {
  padding: 96px 0;
  background: var(--bg);
}

.problem__inner {
  display: grid;
  gap: 36px;
}

.problem__title {
  max-width: 760px;
}

.problem__content {
  display: grid;
  gap: 34px;
}

.problem__lead,
.problem__note {
  max-width: 680px;
  font-size: clamp(1.2rem, 2.2vw, 2rem);
  line-height: 1.35;
  color: #262626;
}

.problem__note {
  justify-self: end;
}

.problem__result {
  margin: 12px 0 0;
  max-width: 820px;
  font-size: clamp(2rem, 4.3vw, 4.4rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
  font-weight: 800;
}

.solution {
  padding: 96px 0 112px;
  background: var(--surface);
}

.solution__inner {
  display: grid;
  gap: 28px;
}

.solution__text {
  max-width: 780px;
  margin: 0;
  font-size: clamp(1.1rem, 2.3vw, 1.65rem);
  line-height: 1.45;
  color: var(--muted);
}

.solution__points {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.solution-point {
  min-height: 96px;
  display: flex;
  align-items: center;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(180deg, #ffffff, #f8fbff);
}

.solution-point span {
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.problem__result--fullwidth {
  max-width: 100%;
  grid-column: 1 / -1;
  font-size: clamp(2rem, 5.5vw, 5.2rem);
  letter-spacing: -0.05em;
}

/* Blue accent text */
.text-blue {
  color: var(--accent-strong);
}

/* Full-width section heads */
.section-head--fullwidth {
  max-width: 100%;
}

/* Wide letter spacing for big titles */
.section-title--wide {
  max-width: 100%;
  letter-spacing: -0.01em;
}

/* Problem result - full width */
.problem__result--wide {
  max-width: 100%;
  font-size: clamp(2rem, 5.5vw, 5.2rem);
  letter-spacing: -0.05em;
}

@media (min-width: 768px) {
  .container {
    width: min(calc(100% - 64px), var(--container));
  }

  .nav {
    display: flex;
  }

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

  .problem__inner {
    grid-template-columns: 1.1fr 1fr;
    align-items: start;
  }

  .problem__content {
    padding-top: 84px;
  }
}

@media (min-width: 1024px) {
  .hero {
    padding: 90px 0 80px;
  }

  .audience,
  .problem,
  .solution {
    padding-top: 120px;
    padding-bottom: 120px;
  }

  .solution__points {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 767px) {
  .header__inner {
    flex-wrap: wrap;
    padding: 14px 0;
  }

  .button--small {
    width: 100%;
  }

  .hero {
    min-height: auto;
  }

  .hero__text {
    max-width: 100%;
  }

  .problem__note {
    justify-self: start;
  }

  .solution__points {
    grid-template-columns: 1fr;
  }
}