:root {
  --ink: #101418;
  --muted: #5d6a6f;
  --paper: #f5f1e8;
  --surface: #fffaf0;
  --line: rgba(16, 20, 24, 0.12);
  --green: #2e7d5b;
  --green-dark: #16533d;
  --gold: #d59a2f;
  --blue: #2f6f8f;
  --coral: #d86445;
  --shadow: 0 20px 60px rgba(16, 20, 24, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

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

.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: #ffffff;
  background: linear-gradient(180deg, rgba(8, 12, 14, 0.74), rgba(8, 12, 14, 0));
}

.brand,
.nav,
.hero-actions,
.hero-stats,
.footer {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  color: #111714;
  background: linear-gradient(135deg, #f0c85a, #52b788);
}

.nav {
  gap: 24px;
  font-size: 14px;
  font-weight: 600;
}

.nav a,
.header-action {
  opacity: 0.86;
}

.nav a:hover,
.header-action:hover {
  opacity: 1;
}

.header-action {
  padding: 11px 16px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  backdrop-filter: blur(12px);
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: center;
  padding: 118px clamp(20px, 5vw, 72px) 96px;
  overflow: hidden;
  color: #ffffff;
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(6, 10, 10, 0.9), rgba(6, 10, 10, 0.58) 42%, rgba(6, 10, 10, 0.15)),
    linear-gradient(180deg, rgba(6, 10, 10, 0.18), rgba(6, 10, 10, 0.72));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, 100%);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  max-width: 680px;
  font-size: clamp(46px, 8vw, 96px);
  line-height: 0.94;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 650px;
  margin-bottom: 32px;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.55;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 14px 20px;
  border-radius: 8px;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

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

.primary {
  color: #ffffff;
  background: var(--green);
  box-shadow: 0 14px 30px rgba(46, 125, 91, 0.28);
}

.secondary {
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.26);
  background: rgba(255, 255, 255, 0.09);
}

.hero-actions {
  flex-wrap: wrap;
  gap: 14px;
}

.hero-stats {
  position: absolute;
  z-index: 1;
  right: clamp(20px, 5vw, 72px);
  bottom: 26px;
  gap: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(15, 20, 20, 0.56);
  backdrop-filter: blur(14px);
}

.hero-stats div {
  min-width: 150px;
  padding: 18px 20px;
  border-right: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-stats div:last-child {
  border-right: 0;
}

.hero-stats strong {
  display: block;
  font-size: 26px;
}

.hero-stats span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}

section {
  padding: 92px clamp(20px, 5vw, 72px);
}

.band {
  background: var(--surface);
}

.section-heading {
  width: min(760px, 100%);
  margin-bottom: 34px;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(32px, 4.8vw, 58px);
  line-height: 1.04;
  letter-spacing: 0;
}

.lead {
  width: min(920px, 100%);
  color: var(--muted);
  font-size: clamp(18px, 2.4vw, 25px);
  line-height: 1.55;
}

.roadmap {
  background: #eef3ee;
}

.timeline {
  position: relative;
  display: grid;
  gap: 18px;
  width: min(1120px, 100%);
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 38px;
  width: 2px;
  background: linear-gradient(var(--green), var(--gold), var(--blue));
}

.step {
  position: relative;
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 22px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 12px 32px rgba(16, 20, 24, 0.06);
}

.step-number {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 78px;
  height: 78px;
  border-radius: 8px;
  color: #ffffff;
  background: var(--green-dark);
  font-weight: 800;
}

.step h3,
.track-card h3,
.project-list h3 {
  margin-bottom: 10px;
  font-size: 24px;
}

.step p,
.track-card p,
.project-list p,
.cta p {
  color: var(--muted);
  line-height: 1.65;
}

.step ul {
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
  padding-left: 18px;
  color: #273238;
}

code {
  padding: 2px 5px;
  border-radius: 5px;
  background: rgba(46, 125, 91, 0.12);
  color: var(--green-dark);
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 0.92em;
}

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

.track-card,
.project-list article,
.week {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 10px 28px rgba(16, 20, 24, 0.06);
}

.track-card {
  padding: 28px;
}

.track-card span {
  display: inline-flex;
  margin-bottom: 18px;
  padding: 8px 10px;
  border-radius: 8px;
  color: #ffffff;
  background: var(--blue);
  font-size: 13px;
  font-weight: 800;
}

.track-card:nth-child(2) span {
  background: var(--green);
}

.track-card:nth-child(3) span {
  background: var(--coral);
}

.plan {
  background: #f6f7f2;
}

.weeks {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.week {
  padding: 24px;
  cursor: pointer;
}

.week span {
  display: block;
  margin-bottom: 42px;
  color: var(--gold);
  font-size: 28px;
  font-weight: 800;
}

.week strong {
  display: block;
  margin-bottom: 12px;
  font-size: 20px;
}

.week.active {
  color: #ffffff;
  background: var(--green-dark);
}

.week.active p {
  color: rgba(255, 255, 255, 0.74);
}

.project-list {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.project-list article {
  padding: 24px;
}

.cta {
  color: #ffffff;
  background: linear-gradient(135deg, #14231d, #214d3c 52%, #2f6f8f);
}

.cta h2,
.cta p {
  width: min(850px, 100%);
}

.cta p {
  color: rgba(255, 255, 255, 0.78);
  font-size: 19px;
}

.footer {
  justify-content: space-between;
  gap: 20px;
  padding: 26px clamp(20px, 5vw, 72px);
  color: rgba(255, 255, 255, 0.76);
  background: #101418;
}

.footer span:first-child {
  color: #ffffff;
  font-weight: 800;
}

@media (max-width: 920px) {
  .nav {
    display: none;
  }

  .hero {
    min-height: 860px;
    align-items: start;
    padding-top: 126px;
  }

  .hero-stats {
    left: 20px;
    right: 20px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .hero-stats div {
    min-width: 0;
  }

  .track-grid,
  .weeks,
  .project-list {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 14px 16px;
  }

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

  .hero {
    min-height: 820px;
    padding: 106px 18px 220px;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(6, 10, 10, 0.92), rgba(6, 10, 10, 0.48)),
      linear-gradient(180deg, rgba(6, 10, 10, 0.18), rgba(6, 10, 10, 0.82));
  }

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

  .hero-stats div {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  }

  .hero-stats div:last-child {
    border-bottom: 0;
  }

  section {
    padding: 68px 18px;
  }

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

  .timeline::before {
    display: none;
  }

  .track-grid,
  .weeks,
  .project-list {
    grid-template-columns: 1fr;
  }

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