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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #111827;
  background: #f3f4f6;
  line-height: 1.5;
}

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

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

.container {
  width: min(1120px, 100% - 2.5rem);
  margin-inline: auto;
}

/* top bar */

.topbar {
  background: #ffffffcc;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #e5e7eb;
  position: sticky;
  top: 0;
  z-index: 20;
}

.topbar_inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 0.8rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
}

.logo_mark {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: linear-gradient(135deg, #f97316, #fb923c);
  display: grid;
  place-items: center;
  color: #ffffff;
  font-size: 0.8rem;
}

.logo_text {
  letter-spacing: 0.04em;
}

.main_nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.95rem;
}

.main_nav a {
  position: relative;
  padding-block: 0.2rem;
}

.main_nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: #f97316;
  transition: width 0.2s;
}

.main_nav a:hover::after {
  width: 100%;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
}

.primary_btn {
  background: linear-gradient(135deg, #f97316, #ea580c);
  color: #ffffff;
  box-shadow: 0 10px 20px rgba(234, 88, 12, 0.35);
}

.primary_btn:hover {
  transform: translateY(-1px);
}

.small_btn {
  font-size: 0.9rem;
  padding-inline: 1rem;
}

/* hero */

.hero {
  padding-block: 3rem 3.5rem;
}

.hero_inner {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.5fr);
  align-items: center;
  gap: 2.5rem;
}

.hero_text h1 {
  font-size: clamp(2rem, 3.1vw, 3rem);
  margin-bottom: 1rem;
}

.hero_text p {
  margin-bottom: 1.4rem;
  color: #4b5563;
}

.hero_form {
  background: #ffffff;
  padding: 1rem;
  border-radius: 1.25rem;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.11);
}

.form_row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.hero_form input[type="email"] {
  flex: 1 1 180px;
  border-radius: 999px;
  border: 1px solid #e5e7eb;
  padding: 0.7rem 0.9rem;
  font-size: 0.95rem;
}

.hero_form input[type="email"]:focus {
  outline: 2px solid #f9731633;
  border-color: #f97316;
}

.full_btn {
  flex: 1 1 160px;
}

.helper_text {
  margin-top: 0.4rem;
  font-size: 0.8rem;
  color: #6b7280;
}

.hero_side {
  position: relative;
}

.card {
  border-radius: 1.4rem;
  padding: 1.4rem;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.3);
}

.reading_card {
  background: radial-gradient(circle at top left, #f97316, #0f172a);
  color: #ffe4d5;
}

.reading_card h2 {
  font-size: 1.1rem;
  margin-bottom: 0.8rem;
}

.reading_card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: 0.9rem;
}

.reading_card li span {
  display: block;
  color: #fed7aa;
  font-size: 0.8rem;
}

.hero_badge {
  position: absolute;
  right: -1rem;
  bottom: -1rem;
  background: #ffffff;
  padding: 0.9rem 1.1rem;
  border-radius: 0.9rem;
  box-shadow: 0 16px 30px rgba(15, 23, 42, 0.18);
  font-size: 0.85rem;
}

.hero_badge strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 0.1rem;
}

/* sections shared */

.section {
  padding-block: 3rem;
}

.section_alt {
  background: #ffffff;
}

.section_title {
  font-size: 1.6rem;
  margin-bottom: 2rem;
  text-align: center;
}

.grid_two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.8rem;
  font-size: 0.98rem;
  color: #4b5563;
}

/* steps */

.steps_grid {
  display: grid;
  gap: 1.3rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.step_card {
  background: #fff7ed;
  border-radius: 1rem;
  padding: 1.2rem;
  border: 1px solid #fed7aa;
}

.step_number {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: #ffedd5;
  color: #ea580c;
  display: grid;
  place-items: center;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.step_card h3 {
  margin-bottom: 0.4rem;
  font-size: 1rem;
}

.step_card p {
  font-size: 0.9rem;
  color: #4b5563;
}

/* info cards */

.cards_grid {
  display: grid;
  gap: 1.3rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.info_card {
  background: #f9fafb;
  border-radius: 1rem;
  padding: 1.3rem;
  border: 1px solid #e5e7eb;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.info_card h3 {
  font-size: 1.05rem;
}

.info_card p {
  font-size: 0.9rem;
  color: #4b5563;
}

.info_meta {
  font-size: 0.8rem;
  color: #6b7280;
}

/* join section */

.join_grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.3fr);
  align-items: start;
}

.benefits_list {
  list-style: none;
  margin-top: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.95rem;
}

.benefits_list li::before {
  content: "• ";
  color: #ea580c;
}

.join_form {
  background: #f9fafb;
  padding: 1.4rem;
  border-radius: 1.3rem;
  border: 1px solid #e5e7eb;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.form_group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.85rem;
}

.join_form label {
  color: #4b5563;
}

.join_form input,
.join_form textarea {
  border-radius: 0.75rem;
  border: 1px solid #d1d5db;
  padding: 0.6rem 0.75rem;
  font-size: 0.95rem;
  resize: vertical;
}

.join_form input:focus,
.join_form textarea:focus {
  outline: 2px solid #f9731633;
  border-color: #f97316;
}

/* footer */

.site_footer {
  padding-block: 1.8rem;
  border-top: 1px solid #e5e7eb;
  background: #ffffff;
  font-size: 0.85rem;
  color: #6b7280;
}

.footer_inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

/* responsive */

@media (max-width: 960px) {
  .hero_inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero_side {
    order: -1;
  }

  .main_nav {
    display: none;
  }

  .steps_grid,
  .cards_grid,
  .join_grid,
  .grid_two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .hero {
    padding-block: 2.2rem 2.8rem;
  }

  .hero_badge {
    position: static;
    margin-top: 1rem;
  }

  .section {
    padding-block: 2.4rem;
  }

  .steps_grid,
  .cards_grid,
  .join_grid,
  .grid_two {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer_inner {
    flex-direction: column;
    text-align: center;
  }

  .form_row {
    flex-direction: column;
  }

  .small_btn {
    display: none;
  }
}