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

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #000;
  color: #f5f5f5;
  overflow-x: hidden;
}

/* ================= NAVBAR ================= */
.navbar {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 2rem 2rem;
  position: relative;
  z-index: 100;
}

.nav-logo {
  justify-self: start;
}

.nav-logo a {
  color: white;
  text-decoration: none;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 0.3rem;
}

.nav-center {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4rem;
}

.nav-center a {
  color: white;
  text-decoration: none;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.08rem;
  transition: opacity 0.3s ease;
}

.nav-center a:hover {
  opacity: 0.7;
}

.nav-right {
  justify-self: end;
}

.meet-btn {
  display: inline-block;
  background: white;
  color: black;
  text-decoration: none;
  font-size: 1.2rem;
  font-weight: 700;
  padding: 1rem 2rem;
  border-radius: 999px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.meet-btn:hover {
  transform: translateY(-2px);
  opacity: 0.9;
}

/* ================= HERO ================= */
.about-hero {
  min-height: 100vh;
  padding-top: 140px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
}

.about-big-title {
  font-size: clamp(4rem, 12vw, 9rem);
  line-height: 0.9;
  letter-spacing: 0.08em;
  font-weight: 800;
  color: #fff;
  text-shadow: 0 0 40px rgba(255, 255, 255, 0.08);
}

.about-subtitle {
  margin-top: 22px;
  max-width: 700px;
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.7;
  padding: 0 20px;
}

/* ================= ROADMAP ================= */
/* ================= ROADMAP ================= */
.about-roadmap {
  min-height: 100vh;
  padding: 80px 0 120px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 35%, rgba(255,255,255,0.08), transparent 22%),
    radial-gradient(circle at 50% 35%, rgba(255,255,255,0.04), transparent 38%),
    linear-gradient(135deg, rgba(255,255,255,0.03) 0%, transparent 28%),
    linear-gradient(315deg, rgba(255,255,255,0.03) 0%, transparent 26%),
    #000;
}

.about-roadmap::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      125deg,
      transparent 0%,
      transparent 35%,
      rgba(255,255,255,0.03) 35%,
      rgba(255,255,255,0.03) 46%,
      transparent 46%,
      transparent 100%
    );
  pointer-events: none;
}

.roadmap-container {
  width: min(1320px, 94%);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.roadmap-header {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  margin-top: 20px;
  margin-bottom: 90px;
}

.roadmap-big-number {
  font-size: clamp(5rem, 10vw, 8rem);
  line-height: 0.9;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: -4px;
  flex-shrink: 0;
}

.roadmap-title-wrap {
  padding-top: 6px;
}

.roadmap-label {
  color: #ff5a1f;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.9rem;
  margin-bottom: 14px;
  font-weight: 600;
}

.roadmap-title-wrap h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1.03;
  font-weight: 800;
  color: #fff;
  margin-bottom: 18px;
  max-width: 760px;
}

.roadmap-subtitle {
  max-width: 780px;
  font-size: 1.05rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.72);
}

.glass {
  background: rgba(255, 255, 255, 0.055);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow:
    0 10px 40px rgba(0,0,0,0.35),
    inset 0 1px 0 rgba(255,255,255,0.03);
}

/* ================= DESKTOP ROADMAP ================= */
.roadmap-desktop {
  position: relative;
  min-height: 860px; /* important: more height so bottom cards stay below */
  display: block;
}

.road-line {
  position: absolute;
  border-top: 2px dashed rgba(255,255,255,0.42);
}

.road-line-top {
  left: 8%;
  top: 95px;
  width: 76%;
}

.road-line-bottom {
  left: 24%;
  top: 500px;
  width: 42%;
}

.road-curve {
  position: absolute;
  right: 8%;
  top: 95px;
  width: 120px;
  height: 405px;
  border-top: 2px dashed rgba(255,255,255,0.42);
  border-right: 2px dashed rgba(255,255,255,0.42);
  border-bottom: 2px dashed rgba(255,255,255,0.42);
  border-left: none;
  border-radius: 0 150px 150px 0;
}

/* arrows */
.arrow {
  position: absolute;
  width: 0;
  height: 0;
  border-top: 9px solid transparent;
  border-bottom: 9px solid transparent;
}

.arrow-top-1,
.arrow-top-2,
.arrow-top-3 {
  border-left: 12px solid #ff5a1f;
  top: 86px;
}

.arrow-bottom-1,
.arrow-bottom-2 {
  border-right: 12px solid #ff5a1f;
  top: 491px;
}

.arrow-top-1 { left: 28%; }
.arrow-top-2 { left: 58%; }
.arrow-top-3 { left: 85%; }

.arrow-bottom-1 { left: 64%; }
.arrow-bottom-2 { left: 45%; }

.roadmap-step {
  position: absolute;
  width: 270px;
}

.step-circle {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.18);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 16px;
  box-shadow: 0 0 0 6px rgba(255, 90, 31, 0.08);
  position: relative;
  z-index: 3;
}

.step-card {
  border-radius: 24px;
  padding: 24px 20px 22px;
  min-height: 240px;
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

.step-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 90, 31, 0.35);
  box-shadow:
    0 18px 40px rgba(0,0,0,0.4),
    0 0 30px rgba(255, 90, 31, 0.08);
}

.step-icon {
  font-size: 1.8rem;
  margin-bottom: 14px;
}

.step-card h3 {
  color: #fff;
  font-size: 1.18rem;
  line-height: 1.2;
  margin-bottom: 12px;
  font-weight: 700;
}

.step-card p {
  color: rgba(255,255,255,0.72);
  font-size: 0.96rem;
  line-height: 1.7;
}

/* TOP ROW */
.step-1 {
  left: 6%;
  top: 24px;
}

.step-2 {
  left: 37%;
  top: 24px;
}

.step-3 {
  right: 5%;
  top: 24px;
}

/* BOTTOM ROW - moved LOWER and spaced out */
.step-4 {
  left: 54%;
  top: 430px;
}

.step-5 {
  left: 20%;
  top: 430px;
}

/* ================= MOBILE ROADMAP ================= */
.roadmap-mobile {
  display: none;
  position: relative;
  padding-left: 32px;
}

.mobile-line {
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 22px;
  border-left: 2px dashed rgba(255,255,255,0.35);
}

.mobile-step {
  position: relative;
  margin-bottom: 26px;
}

.mobile-step .step-circle {
  position: relative;
  left: -10px;
}

.mobile-step .step-card {
  margin-left: 24px;
  min-height: auto;
}

/* ================= RESPONSIVE ================= */
@media (max-width: 1180px) {
  .roadmap-desktop {
    display: none;
  }

  .roadmap-mobile {
    display: block;
  }
}

@media (max-width: 900px) {
  .roadmap-header {
    flex-direction: column;
    gap: 10px;
    margin-bottom: 42px;
  }

  .roadmap-big-number {
    font-size: 5.5rem;
  }

  .roadmap-title-wrap h1 {
    font-size: clamp(2rem, 9vw, 3rem);
  }

  .roadmap-subtitle {
    font-size: 0.98rem;
    line-height: 1.7;
  }

  .about-roadmap {
    padding: 40px 0 80px;
  }
}

@media (max-width: 560px) {
  .roadmap-container {
    width: min(92%, 100%);
  }

  .roadmap-big-number {
    font-size: 4.5rem;
  }

  .roadmap-label {
    font-size: 0.78rem;
  }

  .roadmap-title-wrap h1 {
    font-size: 1.9rem;
  }

  .step-card {
    padding: 18px 16px;
    border-radius: 18px;
  }

  .step-card h3 {
    font-size: 1.05rem;
  }

  .step-card p {
    font-size: 0.92rem;
  }

  .step-icon {
    font-size: 1.5rem;
  }

  .step-circle {
    width: 42px;
    height: 42px;
    font-size: 1rem;
  }
}
/* ================= FINAL ASTRONAUT SECTION ================= */
.final-book-section {
  min-height: 100vh;
  padding: 120px 8vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  position: relative;
  opacity: 0;
  transform: translateY(60px);
  transition: opacity 1s ease, transform 1s ease;
}

.final-book-section.visible {
  opacity: 1;
  transform: translateY(0);
}

.final-book-content {
  max-width: 560px;
  z-index: 2;
}

.final-label {
  font-size: 0.9rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 16px;
}

.final-book-content h2 {
  font-size: clamp(2.3rem, 5vw, 4.6rem);
  line-height: 1.02;
  margin-bottom: 22px;
  color: #fff;
}

.final-text {
  font-size: 1.05rem;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.72);
  max-width: 500px;
  margin-bottom: 30px;
}

.final-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 26px;
  border-radius: 999px;
  background: #fff;
  color: #000;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease;
}

.final-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(255, 255, 255, 0.14);
  opacity: 0.94;
}

.final-book-visual {
  flex: 1;
  min-height: 540px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(
    circle at center,
    rgba(255,255,255,0.08),
    rgba(255,255,255,0.02) 40%,
    transparent 72%
  );
}

.final-glow {
  position: absolute;
  width: min(42vw, 560px);
  height: min(42vw, 560px);
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(255,255,255,0.12) 0%,
    rgba(255,255,255,0.04) 35%,
    rgba(255,255,255,0) 72%
  );
  filter: blur(52px);
  animation: glowPulse 5.5s ease-in-out infinite;
}

.astronaut {
  position: relative;
  z-index: 2;
  width: min(48vw, 620px);
  height: min(48vw, 620px);
  min-width: 320px;
  min-height: 320px;
  background: transparent;
  pointer-events: none;
  filter:
    drop-shadow(0 0 40px rgba(255,255,255,0.15))
    drop-shadow(0 0 120px rgba(255,255,255,0.08));
}

@keyframes glowPulse {
  0%, 100% {
    transform: scale(0.96);
    opacity: 0.75;
  }
  50% {
    transform: scale(1.06);
    opacity: 1;
  }
}

/* ================= RESPONSIVE ================= */
@media (max-width: 1180px) {
  .roadmap-desktop {
    display: none;
  }

  .roadmap-mobile {
    display: block;
  }
}

@media (max-width: 900px) {
  .navbar {
    grid-template-columns: 1fr;
    gap: 1.2rem;
    text-align: center;
    padding: 1.5rem 1.2rem;
  }

  .nav-logo,
  .nav-right {
    justify-self: center;
  }

  .nav-center {
    gap: 2rem;
    flex-wrap: wrap;
  }

  .nav-logo a {
    font-size: 1.5rem;
    letter-spacing: 0.18rem;
  }

  .nav-center a {
    font-size: 1rem;
  }

  .meet-btn {
    font-size: 1rem;
    padding: 0.85rem 1.5rem;
  }

  .roadmap-header {
    flex-direction: column;
    gap: 10px;
    margin-bottom: 42px;
  }

  .roadmap-big-number {
    font-size: 5.5rem;
  }

  .roadmap-title-wrap h1 {
    font-size: clamp(2rem, 9vw, 3rem);
  }

  .roadmap-subtitle {
    font-size: 0.98rem;
    line-height: 1.7;
  }

  .about-roadmap {
    padding: 40px 0 80px;
  }

  .final-book-section {
    flex-direction: column;
    padding: 90px 7vw;
    text-align: center;
  }

  .final-book-content {
    max-width: 100%;
  }

  .final-text {
    max-width: 100%;
  }

  .final-book-visual {
    width: 100%;
    min-height: 420px;
  }
}

@media (max-width: 560px) {
  .roadmap-container {
    width: min(92%, 100%);
  }

  .about-big-title {
    font-size: clamp(3.1rem, 18vw, 5rem);
  }

  .about-subtitle {
    font-size: 0.98rem;
  }

  .roadmap-big-number {
    font-size: 4.5rem;
  }

  .roadmap-label {
    font-size: 0.78rem;
  }

  .roadmap-title-wrap h1 {
    font-size: 1.9rem;
  }

  .step-card {
    padding: 18px 16px;
    border-radius: 18px;
  }

  .step-card h3 {
    font-size: 1.05rem;
  }

  .step-card p {
    font-size: 0.92rem;
  }

  .step-icon {
    font-size: 1.5rem;
  }

  .step-circle {
    width: 42px;
    height: 42px;
    font-size: 1rem;
  }

  .astronaut {
    min-width: 260px;
    min-height: 260px;
    width: 82vw;
    height: 82vw;
  }
}