:root {
  --ink: #17201d;
  --muted: #58645f;
  --paper: #f7f6ef;
  --surface: #ffffff;
  --teal: #0f766e;
  --teal-dark: #075c54;
  --coral: #e96f52;
  --gold: #d89a2b;
  --line: rgba(23, 32, 29, 0.14);
  --shadow: 0 24px 70px rgba(9, 34, 29, 0.2);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

a {
  color: inherit;
}

.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 56px);
  color: #fff;
  background: linear-gradient(to bottom, rgba(5, 31, 27, 0.74), rgba(5, 31, 27, 0));
}

.brand,
.site-header nav {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand {
  font-weight: 900;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: var(--ink);
  background: #fff;
  border-radius: 50%;
  font-size: 13px;
  letter-spacing: 0.08em;
}

.site-header nav a {
  padding: 8px 10px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 430px);
  align-items: end;
  gap: clamp(24px, 5vw, 70px);
  padding: 124px clamp(18px, 5vw, 72px) 58px;
  color: #fff;
  overflow: hidden;
}

.hero-media,
.hero-media::after {
  position: absolute;
  inset: 0;
}

.hero-media {
  z-index: -2;
  background-image: url("assets/hero-prizes.svg");
  background-size: cover;
  background-position: center;
}

.hero-media::after {
  content: "";
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(4, 25, 23, 0.82) 0%, rgba(4, 25, 23, 0.5) 46%, rgba(4, 25, 23, 0.16) 100%),
    linear-gradient(0deg, rgba(4, 25, 23, 0.7) 0%, rgba(4, 25, 23, 0) 42%);
}

.hero-content {
  max-width: 760px;
  padding-bottom: 18px;
}

.eyebrow,
.panel-kicker {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 20px;
  font-size: clamp(42px, 7vw, 92px);
  line-height: 0.98;
  font-weight: 900;
}

.hero-copy {
  max-width: 660px;
  margin-bottom: 28px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(17px, 2vw, 22px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-actions span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 8px 13px;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
  font-size: 14px;
  font-weight: 700;
}

.signup-panel {
  width: 100%;
  padding: clamp(22px, 3vw, 34px);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.76);
  border-radius: 8px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.signup-panel h2,
.section h2 {
  margin-bottom: 12px;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.08;
}

.panel-copy,
.fine-print,
.section p,
.legal-grid p,
.privacy-list p {
  color: var(--muted);
}

form {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

label {
  font-weight: 800;
}

.input-row {
  display: grid;
  gap: 10px;
}

input[type="email"] {
  width: 100%;
  height: 56px;
  padding: 0 16px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  outline: none;
}

input[type="email"]:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.14);
}

button {
  height: 56px;
  border: 0;
  border-radius: 8px;
  color: #fff;
  background: var(--teal);
  font: inherit;
  font-weight: 900;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease;
}

button:hover {
  background: var(--teal-dark);
  transform: translateY(-1px);
}

.consent {
  display: grid;
  grid-template-columns: 20px 1fr;
  align-items: start;
  gap: 10px;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
}

.consent input {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  accent-color: var(--teal);
}

.consent a {
  color: var(--teal-dark);
  font-weight: 900;
}

.form-message {
  min-height: 24px;
  margin: 0;
  font-size: 14px;
  font-weight: 800;
}

.form-message.is-error {
  color: #b42318;
}

.form-message.is-success {
  color: var(--teal-dark);
}

.fine-print {
  margin: 18px 0 0;
  font-size: 12px;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.trust-strip div {
  padding: 28px clamp(18px, 4vw, 52px);
  background: var(--surface);
}

.trust-strip strong,
.trust-strip span {
  display: block;
}

.trust-strip strong {
  margin-bottom: 4px;
  font-size: 18px;
}

.trust-strip span {
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: clamp(58px, 8vw, 108px) clamp(18px, 5vw, 72px);
}

.prize-section {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: clamp(32px, 7vw, 90px);
  align-items: start;
}

.section-copy {
  max-width: 620px;
}

.prize-grid {
  display: grid;
  gap: 14px;
}

.prize-grid article,
.legal-grid article,
.privacy-list div {
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.prize-grid span {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  margin-bottom: 18px;
  color: #fff;
  background: var(--coral);
  border-radius: 50%;
  font-weight: 900;
}

.prize-grid h3,
.legal-grid h3,
.privacy-list h3 {
  margin-bottom: 8px;
  font-size: 20px;
}

.details {
  background: #ebf4f1;
}

.details > div:first-child {
  max-width: 720px;
  margin-bottom: 32px;
}

.legal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.privacy {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(32px, 7vw, 90px);
}

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

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 26px clamp(18px, 5vw, 72px);
  color: rgba(255, 255, 255, 0.78);
  background: #10221f;
  font-size: 13px;
}

@media (max-width: 960px) {
  .hero,
  .prize-section,
  .privacy {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 110px;
  }

  .signup-panel {
    max-width: 560px;
  }

  .legal-grid,
  .trust-strip {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
    padding: 16px;
  }

  .site-header nav {
    gap: 6px;
  }

  .site-header nav a {
    padding: 7px 8px;
    font-size: 12px;
  }

  .brand span:last-child {
    display: none;
  }

  .hero {
    padding: 96px 16px 34px;
  }

  h1 {
    font-size: clamp(40px, 13vw, 58px);
  }

  .hero-copy {
    font-size: 16px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-actions span {
    border-radius: 8px;
  }

  .privacy-list {
    grid-template-columns: 1fr;
  }

  .site-footer {
    flex-direction: column;
  }
}