:root {
  --navy: #0f2f45;
  --navy-deep: #0a2233;
  --blue: #1185b5;
  --teal: #27b6bf;
  --paper: #f6fbfd;
  --white: #ffffff;
  --text: #17384d;
  --muted: #627888;
  --line: #d8e6ee;
  --soft: #eef6fa;
  --shadow: 0 14px 36px rgba(15, 47, 69, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: Manrope, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1,
h2,
h3,
h4 {
  color: var(--navy);
}

.site-header,
.site-footer,
.hero,
.survey-section,
.page-hero,
.terms-content {
  padding-right: clamp(20px, 6vw, 88px);
  padding-left: clamp(20px, 6vw, 88px);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 18px;
  padding-bottom: 18px;
  background: var(--navy-deep);
  color: var(--white);
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand img {
  display: block;
  width: min(182px, 46vw);
  height: auto;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 0.95rem;
  font-weight: 700;
}

.top-nav a {
  text-decoration: none;
}

.top-nav a:hover,
.top-nav a:focus-visible {
  color: #9adfe7;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(240px, 360px);
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
  padding-top: clamp(40px, 8vw, 88px);
  padding-bottom: clamp(40px, 7vw, 72px);
}

.hero__content {
  max-width: 700px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
}

.hero h1 {
  margin-bottom: 18px;
  font-size: clamp(2.2rem, 6vw, 4.2rem);
  line-height: 1.02;
}

.hero__lead {
  max-width: 620px;
  margin-bottom: 26px;
  color: var(--muted);
  font-size: clamp(1rem, 1.7vw, 1.18rem);
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 0.96rem;
  font-weight: 700;
}

.hero__meta span {
  display: inline-flex;
  align-items: center;
}

.hero__meta span:not(:last-child)::after {
  content: "";
  width: 4px;
  height: 4px;
  margin-left: 18px;
  border-radius: 999px;
  background: var(--line);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 12px 20px;
  border-radius: 6px;
  font-weight: 800;
  text-decoration: none;
}

.button--primary {
  background: var(--navy);
  color: var(--white);
}

.button--secondary {
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--navy);
}

.button--card {
  width: 100%;
  background: var(--navy);
  color: var(--white);
}

.hero__visual {
  display: grid;
  justify-items: center;
  gap: 16px;
}

.hero__visual img {
  display: block;
  width: min(100%, 300px);
  height: auto;
}

.prize-note {
  width: 100%;
  max-width: 320px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.prize-note h2 {
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.prize-note p {
  margin-bottom: 0;
  color: var(--muted);
}

.survey-section {
  padding-top: 12px;
  padding-bottom: clamp(52px, 7vw, 90px);
}

.section-heading {
  max-width: 680px;
  margin-bottom: 24px;
}

.section-heading h2 {
  margin-bottom: 10px;
  font-size: clamp(1.7rem, 4vw, 2.6rem);
}

.section-heading p {
  margin-bottom: 0;
  color: var(--muted);
}

.survey-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.survey-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  min-height: 280px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff 0%, #f9fcfd 100%);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.survey-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--teal) 0%, var(--blue) 100%);
}

.survey-card:nth-child(1) {
  background: linear-gradient(180deg, #ffffff 0%, #f4fbfc 100%);
}

.survey-card:nth-child(2) {
  background: linear-gradient(180deg, #ffffff 0%, #f6f9fd 100%);
}

.survey-card:nth-child(3) {
  background: linear-gradient(180deg, #ffffff 0%, #f7fcf8 100%);
}

.survey-card:nth-child(2)::before {
  background: linear-gradient(90deg, #5aa9e6 0%, #1185b5 100%);
}

.survey-card:nth-child(3)::before {
  background: linear-gradient(90deg, #51b37a 0%, #27b6bf 100%);
}

.survey-card__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 20px;
  border-radius: 999px;
  background: linear-gradient(180deg, #f3fbfd 0%, #e5f4fa 100%);
  color: var(--navy);
  box-shadow: inset 0 0 0 1px rgba(17, 133, 181, 0.12);
  font-weight: 800;
}

.survey-card__label {
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.45;
}

.survey-card:nth-child(2) .survey-card__label {
  color: var(--muted);
}

.survey-card:nth-child(3) .survey-card__label {
  color: var(--muted);
}

.survey-card h3 {
  margin-bottom: 18px;
  color: var(--navy);
  font-size: 1.38rem;
  line-height: 1.15;
}

.survey-card > p:not(.survey-card__label) {
  margin-bottom: 22px;
  color: var(--muted);
}

.survey-card .button {
  margin-top: auto;
}

.button--card {
  box-shadow: 0 10px 24px rgba(15, 47, 69, 0.14);
}

.survey-card:nth-child(1) .button--card {
  background: linear-gradient(90deg, var(--teal) 0%, var(--blue) 100%);
}

.survey-card:nth-child(2) .button--card {
  background: linear-gradient(90deg, #5aa9e6 0%, #1185b5 100%);
}

.survey-card:nth-child(3) .button--card {
  background: linear-gradient(90deg, #51b37a 0%, #27b6bf 100%);
}

.page-hero {
  padding-top: clamp(34px, 6vw, 54px);
  padding-bottom: clamp(28px, 5vw, 44px);
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.page-hero h1 {
  margin-bottom: 12px;
  font-size: clamp(2rem, 5vw, 3rem);
}

.page-hero p {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--muted);
}

.terms-content {
  max-width: 860px;
  padding-top: clamp(28px, 5vw, 44px);
  padding-bottom: clamp(60px, 8vw, 88px);
}

.terms-intro {
  margin-bottom: 26px;
  color: var(--muted);
}

.terms-group + .terms-group {
  margin-top: 28px;
}

.terms-group h2 {
  margin-bottom: 10px;
  font-size: 1.3rem;
}

.terms-group p {
  margin-bottom: 12px;
  color: var(--muted);
}

.terms-group p:last-child {
  margin-bottom: 0;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 24px;
  padding-bottom: 24px;
  border-top: 1px solid var(--line);
  background: var(--white);
}

.site-footer img {
  width: 140px;
  height: auto;
}

.site-footer p {
  margin-bottom: 6px;
  color: var(--muted);
}

.site-footer a {
  color: var(--blue);
  font-weight: 800;
  text-decoration: none;
}

@media (max-width: 860px) {
  .hero,
  .survey-grid,
  .site-footer {
    grid-template-columns: 1fr;
  }

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

  .hero__visual {
    justify-items: start;
  }

  .hero__visual img {
    width: min(100%, 240px);
  }

  .prize-note {
    max-width: none;
  }

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

@media (max-width: 640px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .top-nav {
    width: 100%;
    justify-content: space-between;
  }

  .hero__actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}