:root {
  --green-primary: #009848;
  --green-dark: #007236;
  --green-darker: #004c24;
  --green-light: #33ad6d;
  --green-glow: rgba(0, 152, 72, 0.35);
  --yellow: #ffcc00;
  --navy: #113358;
  --bg-dark: #0b1929;
  --bg-card: #112240;
  --bg-elevated: #0f1e38;
  --text-primary: #FFFFFF;
  --text-secondary: rgba(255, 255, 255, 0.72);
  --text-muted: rgba(255, 255, 255, 0.45);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --gradient-brand: linear-gradient(135deg, var(--green-primary) 0%, var(--yellow) 100%);
  --gradient-card: linear-gradient(145deg, var(--bg-card) 0%, var(--bg-elevated) 100%);
  --font-heading: 'Montserrat', 'Avenir', 'Avenir Next', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Helvetica Neue', 'Helvetica', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --section-padding: 3rem 0;
  --container-max: 1100px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--bg-dark);
  background-image: url('bg.jpeg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  font-size: clamp(14px, 1.1vw, 18px);
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: rgba(11, 25, 41, 0.88);
  pointer-events: none;
  z-index: 0;
}

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

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

.page-wrapper {
  position: relative;
  z-index: 1;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.text-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  transition: all var(--transition-smooth);
  cursor: pointer;
  border: none;
}

.btn--primary {
  background: var(--green-primary);
  color: var(--text-primary);
  box-shadow: 0 4px 20px var(--green-glow), 0 0 0 1px rgba(0, 152, 72, 0.15);
  border-bottom: 3px solid var(--green-darker);
}

.btn--primary:hover {
  background: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--green-glow), 0 0 0 1px rgba(0, 152, 72, 0.3);
}

.btn--primary:active {
  transform: translateY(0);
  background: var(--green-darker);
}

.btn--large {
  padding: 0.7rem 1.2rem;
  font-size: 0.75rem;
  max-width: 260px;
}

.btn__arrow {
  transition: transform var(--transition-fast);
}

.btn:hover .btn__arrow {
  transform: translate(3px, -3px);
}

.hero {
  position: relative;
  overflow: hidden;
  background: var(--bg-dark);
}

.hero__image {
  display: block;
  width: 100%;
  height: auto;
}

.info-bar {
  position: relative;
  z-index: 5;
  padding: 0;
  margin-top: 2rem;
}

.info-bar__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--navy);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.info-bar__item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 0.8rem;
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-fast);
}

.info-bar__item:nth-child(odd) {
  border-right: 1px solid var(--border-subtle);
}

.info-bar__item:nth-child(3),
.info-bar__item:nth-child(4) {
  border-bottom: none;
}

.info-bar__item:last-child {
  border-right: none;
}

.info-bar__text {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.info-bar__label {
  font-family: var(--font-body);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--yellow);
  font-weight: 700;
  margin-bottom: 0.15rem;
}

.info-bar__value {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 900;
  color: var(--text-primary);
}

.section {
  padding: var(--section-padding);
}

.section__header {
  text-align: center;
  margin-bottom: 2rem;
}

.section__title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.step {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
  padding: 1rem 1rem;
  border-left: 3px solid var(--border-subtle);
  transition: border-color var(--transition-smooth);
}

.step:hover {
  border-left-color: var(--green-primary);
  border-left-width: 4px;
  padding-left: calc(1rem - 1px);
}

.step__number {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--green-primary);
  line-height: 1;
  flex-shrink: 0;
  min-width: 2.2rem;
}

.step__title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 900;
  margin-bottom: 0.35rem;
}

.step__desc {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.how-to-play {
  padding-bottom: 3rem;
}

.prizes {
  background: var(--bg-elevated);
  position: relative;
}

.prizes::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--green-primary) 50%, transparent 100%);
  opacity: 0.3;
}

.prizes__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.8rem;
  margin: 0 auto;
}

.prize-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1rem;
  text-align: center;
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
}

.prizes__sub {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: -0.2rem;
}

.prize-card:hover {
  border-color: var(--yellow);
  box-shadow: 0 0 0 2px var(--yellow), 0 8px 32px rgba(0, 0, 0, 0.3);
}

.prize-card__value {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 900;
  line-height: 1.1;
}

.prize-card:first-child .prize-card__value {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.prize-card:nth-child(2) .prize-card__value {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.prize-card:nth-child(3) .prize-card__value {
  color: var(--yellow);
}

.prize-card__icon {
  width: 36px;
  height: 36px;
  margin-bottom: 0.3rem;
  color: var(--green-light);
}

.prize-card:first-child .prize-card__icon {
  width: 44px;
  height: 44px;
  color: var(--yellow);
}

.prize-card:nth-child(2) .prize-card__icon {
  color: var(--green-primary);
}

.prize-card:nth-child(3) .prize-card__icon {
  color: var(--yellow);
}

.prize-card__label {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 900;
  color: var(--text-muted);
}

.prize-card:first-child {
  padding: 1.8rem 1rem;
}

.tiers__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  max-width: 800px;
  margin: 0 auto;
}

.tier-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-top: 4px solid var(--green-primary);
  border-radius: var(--radius-lg);
  padding: 1.8rem 1.2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  transition: all var(--transition-smooth);
}

.tier-card:hover {
  border-color: var(--green-primary);
  box-shadow: inset 0 0 0 1px var(--green-primary), 0 8px 32px rgba(0, 0, 0, 0.3);
}

.tier-card--accent {
  border-color: rgba(255, 204, 0, 0.2);
  border-top-color: var(--yellow);
}

.tier-card--accent:hover {
  border-color: var(--yellow);
  box-shadow: inset 0 0 0 1px var(--yellow), 0 8px 32px rgba(0, 0, 0, 0.3);
}

.tier-card__label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 900;
  color: var(--green-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.tier-card--accent .tier-card__label {
  color: var(--yellow);
}

.tier-card__number {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.03em;
}

.tier-card__currency {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.tier-card__milestone {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
}

.tier-card__desc {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-secondary);
  max-width: 260px;
  line-height: 1.5;
}

.tier-card .btn {
  margin-top: 0.5rem;
}

.terms {
  background: #f5f7fa;
  padding: 1.5rem 0;
}

.terms .section__title {
  color: #111111;
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
}

.terms__content {
  max-width: 800px;
  margin: 0 auto;
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-lg);
  padding: 1rem 1.2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.terms__list {
  list-style: none;
  counter-reset: terms-counter;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.terms__list li {
  counter-increment: terms-counter;
  position: relative;
  padding-left: 2rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: #444444;
  line-height: 1.65;
}

.terms__list li::before {
  content: counter(terms-counter) ".";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 0.9rem;
  color: var(--green-primary);
  min-width: 1.8rem;
}

.terms__list li strong {
  color: var(--green-primary);
}

.cta {
  padding: 3rem 0;
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.cta::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 600px;
  height: 600px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, var(--green-glow) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0.35;
}

.cta__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.cta__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 0.8rem;
}

.cta__desc {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 1.5vw, 1.2rem);
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  :root {
    --section-padding: 4rem 0;
    --container-max: 960px;
  }

  .steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .step {
    padding: 2rem 1.8rem;
  }

  .prizes__grid {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    max-width: 700px;
  }

  .prize-card:first-child {
    grid-column: 1 / -1;
    padding: 2.5rem 1.2rem;
  }

  .prize-card:first-child .prize-card__value {
    font-size: 2rem;
  }

  .prize-card {
    padding: 2rem 1.2rem;
  }

  .prize-card__value {
    font-size: 1.6rem;
  }

  .tiers__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .tier-card {
    padding: 2.5rem 2rem;
  }

  .tier-card__number {
    font-size: 3.5rem;
  }

  .tier-card__currency {
    font-size: 1.4rem;
  }

  .terms__content {
    padding: 1.5rem 1.5rem 1.2rem;
  }

  .terms__list li {
    font-size: 0.9rem;
    padding-left: 2.5rem;
  }

  .terms__list li::before {
    font-size: 0.9rem;
  }

  .btn--large {
    padding: 0.75rem 1.8rem;
    font-size: 0.9rem;
    max-width: none;
  }

  .cta {
    padding: 4rem 0;
  }

  .section__header {
    margin-bottom: 3rem;
  }

  .info-bar {
    margin-top: 1.5rem;
  }

  .info-bar__grid {
    grid-template-columns: repeat(4, 1fr);
    border-radius: var(--radius-lg);
  }

  .info-bar__item {
    padding: 1.2rem 1rem;
    justify-content: flex-start;
    border-bottom: none;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
  }

  .info-bar__item:nth-child(odd) {
    border-right: 1px solid rgba(255, 255, 255, 0.1);
  }

  .info-bar__item:last-child {
    border-right: none;
  }

  .info-bar__text {
    align-items: flex-start;
    text-align: left;
  }

  .info-bar__label {
    font-size: 0.72rem;
  }

  .info-bar__value {
    font-size: 0.95rem;
  }
}

@media (min-width: 1024px) {
  :root {
    --section-padding: 5rem 0;
    --container-max: 1100px;
  }
}

@media (min-width: 1440px) {
  :root {
    --section-padding: 5.5rem 0;
    --container-max: 1280px;
  }

  .cta__content {
    max-width: 700px;
  }
}

@media (min-width: 1920px) {
  :root {
    --section-padding: 7rem 0;
    --container-max: 1600px;
  }

  body {
    font-size: 18px;
  }

  .section__title {
    font-size: clamp(2.8rem, 3vw, 3.8rem);
  }

  .step {
    padding: 2.5rem 2.2rem;
  }

  .step__number {
    font-size: 3rem;
  }

  .step__title {
    font-size: 1.4rem;
  }

  .step__desc {
    font-size: 1.05rem;
  }

  .terms__content {
    max-width: 1000px;
    padding: 2rem 2rem;
  }

  .terms__list li {
    font-size: 1rem;
  }

  .cta__content {
    max-width: 800px;
  }

  .cta__title {
    font-size: clamp(3rem, 3.5vw, 4.5rem);
  }

  .cta__desc {
    font-size: 1.2rem;
  }

  .btn--large {
    padding: 1rem 2.5rem;
    font-size: 1rem;
  }

  .info-bar__value {
    font-size: 1.1rem;
  }

  .info-bar__label {
    font-size: 0.85rem;
  }
}

@media (max-width: 360px) {
  .container {
    padding: 0 1rem;
  }

  .btn--large {
    font-size: 0.7rem;
    padding: 0.6rem 1rem;
  }
}