:root {
  --bg: #000000;
  --yellow: #ffe600;
  --yellow-soft: #f5c518;
  --red: #e51e47;
  --text: #ffe600;
  --muted: #999999;
  --border-radius: 4px;
  --container: 1280px;
}

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

html,
body {
  background: var(--bg);
  color: var(--text);
  font-family: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---------- Header ---------- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 64px;
}

.nav {
  display: flex;
  gap: 56px;
  margin-left: 120px;
}

.nav-link {
  color: var(--yellow);
  text-decoration: none;
  font-size: 18px;
  font-weight: 500;
}

.nav-link.active {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.nav-link:hover {
  filter: brightness(1.2);
}

.login-btn {
  background: var(--red);
  color: #1a0007;
  padding: 14px 36px;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 700;
  font-size: 17px;
  transition: filter 0.2s ease-in-out;
}

.login-btn:hover {
  filter: brightness(1.1);
}

/* ---------- Hero ---------- */
.hero {
  padding: 60px 64px 20px;
}

.hero-title {
  color: var(--yellow);
  font-size: clamp(72px, 17vw, 280px);
  font-weight: 900;
  letter-spacing: -0.045em;
  line-height: 0.95;
  text-align: left;
}

/* ---------- Intro ---------- */
.intro {
  padding: 60px 64px 80px;
}

.intro-inner {
  max-width: 640px;
}

.intro-text {
  color: var(--yellow);
  font-size: 22px;
  line-height: 1.45;
  font-weight: 400;
  margin-bottom: 36px;
}

.cta-btn {
  display: inline-block;
  background: var(--red);
  color: #1a0007;
  padding: 16px 32px;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 700;
  font-size: 17px;
  transition: filter 0.2s ease-in-out;
}

.cta-btn:hover {
  filter: brightness(1.1);
}

/* ---------- Features (3 cards) ---------- */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding: 80px 64px;
}

.feature-card {
  background: #0a0a0a;
  padding: 32px;
  display: flex;
  flex-direction: column;
}

.feature-art {
  position: relative;
  overflow: hidden;
  height: 280px;
  margin: -32px -32px 24px;
  background: radial-gradient(
      ellipse at 30% 40%,
      rgba(229, 30, 71, 0.25),
      transparent 60%
    ),
    radial-gradient(
      ellipse at 70% 70%,
      rgba(255, 230, 0, 0.18),
      transparent 60%
    ),
    #0a0a0a;
}

.feature-art img,
.feature-art video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-title {
  color: var(--yellow);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.feature-text {
  color: var(--yellow);
  font-size: 16px;
  line-height: 1.5;
  font-weight: 400;
  opacity: 0.9;
}

/* ---------- Pitch ---------- */
.pitch {
  padding: 80px 64px;
  display: flex;
  justify-content: flex-end;
}

.pitch-inner {
  max-width: 540px;
}

.pitch-title {
  color: var(--yellow);
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
}

.pitch-text {
  color: var(--yellow);
  font-size: 18px;
  line-height: 1.55;
  font-weight: 400;
}

/* ---------- Banner ---------- */
.banner {
  height: 240px;
  background: var(--red);
}

/* ---------- Join (form) ---------- */
.join {
  padding: 80px 64px;
}

.join-title {
  color: var(--yellow);
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 32px;
}

.join-form {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 24px;
  align-items: end;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field-label {
  color: var(--yellow);
  font-size: 14px;
  font-weight: 500;
}

input {
  padding: 14px 12px;
  border: 1px solid var(--red);
  background: transparent;
  color: var(--yellow);
  font-size: 16px;
  font-family: inherit;
  border-radius: 0;
}

input:focus {
  outline: none;
  border-color: var(--yellow);
}

button {
  background: var(--yellow);
  border: none;
  color: #1a0007;
  padding: 16px 40px;
  cursor: pointer;
  font-weight: 700;
  font-size: 16px;
  font-family: inherit;
  border-radius: var(--border-radius);
  transition: filter 0.2s ease-in-out;
  min-height: 50px;
}

button:hover:not(:disabled) {
  filter: brightness(1.05);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

/* ---------- Footer ---------- */
.site-footer {
  margin-top: auto;
  padding: 48px 64px 40px;
}

.footer-row {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 32px;
}

.footer-link {
  color: var(--yellow);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.footer-divider {
  flex: 1;
  height: 1px;
  background: var(--red);
}

.footer-copy {
  color: var(--yellow);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .site-header {
    padding: 20px 24px;
  }
  .nav {
    margin-left: 0;
    gap: 24px;
  }
  .nav-link {
    font-size: 16px;
  }
  .login-btn {
    padding: 10px 22px;
    font-size: 15px;
  }
  .hero,
  .intro,
  .features,
  .pitch,
  .join,
  .site-footer {
    padding-left: 24px;
    padding-right: 24px;
  }
  .features {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .pitch {
    justify-content: flex-start;
  }
  .join-form {
    grid-template-columns: 1fr;
  }
  .footer-row {
    flex-wrap: wrap;
    gap: 12px;
  }
  .footer-divider {
    display: none;
  }
}

@media (max-width: 600px) {
  .hero {
    padding-top: 40px;
  }
  .intro-text {
    font-size: 18px;
  }
  .pitch-title,
  .join-title {
    font-size: 28px;
  }
}


/* ========== Hamburger Menu (Mobile) ========== */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px 8px;
  margin-left: auto;
  z-index: 100;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--yellow);
  margin: 5px 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 2px;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: block;
    order: 2;
  }

  .site-header {
    position: relative;
  }

  .nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #0a0a0a;
    border-top: 1px solid rgba(255, 230, 0, 0.15);
    padding: 20px 24px 28px;
    gap: 12px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
    z-index: 99;
    margin-left: 0;
  }

  .nav.open {
    display: flex;
  }

  .nav-link {
    font-size: 17px;
    padding: 10px 0;
    display: block;
  }

  .login-btn {
    order: 3;
    margin-left: 12px;
  }

  /* Hamburger to X animation */
  .nav-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .nav-toggle.open span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}