:root {
  --bg: #f4f8f8;
  --surface: #ffffff;
  --surface-soft: #eef5f3;
  --text: #193336;
  --muted: #587173;
  --line: #d6e3e0;
  --primary: #0f766e;
  --primary-dark: #0b5a54;
  --accent: #d6f0eb;
  --shadow: 0 18px 45px rgba(14, 51, 55, 0.12);
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "DM Sans", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(214, 240, 235, 0.9), transparent 32%),
    linear-gradient(180deg, #fbfdfd 0%, var(--bg) 100%);
  line-height: 1.6;
}

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

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

button,
a {
  transition:
    transform 180ms ease,
    background-color 180ms ease,
    color 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

button {
  font: inherit;
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
}

.section {
  padding: 5rem 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(251, 253, 253, 0.84);
  border-bottom: 1px solid rgba(214, 227, 224, 0.75);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--primary), #159488);
  color: #ffffff;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.brand-copy {
  display: grid;
}

.brand-copy strong,
.footer-title,
h1,
h2,
h3 {
  font-family: "Fraunces", serif;
}

.brand-copy small {
  color: var(--muted);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.site-nav a {
  color: var(--muted);
  font-weight: 500;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--primary);
}

.hero {
  padding: 5.5rem 0 4rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.85fr);
  gap: 2rem;
  align-items: center;
}

.eyebrow,
.section-kicker,
.panel-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 1rem;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.8rem, 5vw, 4.8rem);
  line-height: 0.95;
}

.hero h2 {
  margin: 0.75rem 0 1rem;
  font-size: clamp(1.35rem, 2vw, 2rem);
  color: var(--primary-dark);
}

.hero-text,
.section-heading p,
.module-card p,
.prompt-card p,
.reminder-card p,
.site-footer p,
.site-footer a {
  color: var(--muted);
}

.hero-text {
  max-width: 58ch;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
}

.button:hover,
.button:focus-visible,
.text-link:hover,
.text-link:focus-visible,
.prompt-chip:hover,
.prompt-chip:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 12px 24px rgba(15, 118, 110, 0.22);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--primary-dark);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.7);
  border-color: var(--line);
  color: var(--text);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: var(--primary);
  color: var(--primary);
}

.hero-panel {
  position: relative;
}

.panel-card,
.module-card,
.prompt-card,
.reminder-card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(214, 227, 224, 0.95);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.panel-card {
  padding: 2rem;
}

.feature-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--text);
}

.feature-list li + li {
  margin-top: 0.8rem;
}

.section-heading {
  max-width: 48rem;
  margin-bottom: 2rem;
}

.section-heading h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(2rem, 3vw, 2.8rem);
}

.card-grid,
.prompt-grid,
.footer-grid {
  display: grid;
  gap: 1.25rem;
}

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

.module-card {
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
  padding: 1.6rem;
}

.module-card:hover,
.module-card:focus-within,
.prompt-card:hover,
.prompt-card:focus-within {
  border-color: rgba(15, 118, 110, 0.35);
  box-shadow: 0 22px 36px rgba(14, 51, 55, 0.15);
}

.card-accent {
  width: 3rem;
  height: 0.35rem;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), #8ed2c6);
}

.module-card h3,
.prompt-card h3,
.reminder-card h2 {
  margin: 0;
}

.text-link {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin-top: auto;
  color: var(--primary);
  font-weight: 700;
}

.starter-prompt {
  margin-top: 1rem;
  padding: 1rem;
  background: linear-gradient(180deg, #f7fbfa 0%, #eef6f4 100%);
  border: 1px solid rgba(15, 118, 110, 0.18);
  border-radius: var(--radius-sm);
}

.starter-prompt-label {
  margin: 0 0 0.45rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
}

.starter-prompt-text {
  margin: 0;
  color: var(--text);
  font-weight: 500;
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--primary-dark);
}

.how-it-works {
  background: linear-gradient(180deg, rgba(238, 245, 243, 0.45), rgba(255, 255, 255, 0));
}

.prompt-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.prompt-card {
  padding: 1.6rem;
}

.prompt-card h3 {
  margin-bottom: 1rem;
}

.prompt-chip {
  display: block;
  width: 100%;
  margin-top: 0.85rem;
  padding: 0.95rem 1rem;
  text-align: left;
  color: var(--text);
  background: var(--surface-soft);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.prompt-chip:hover,
.prompt-chip:focus-visible {
  border-color: rgba(15, 118, 110, 0.45);
  background: #f7fbfa;
}

.prompt-chip.copied {
  border-color: rgba(15, 118, 110, 0.55);
  background: var(--accent);
}

.reminder-card {
  padding: 2rem;
  background:
    linear-gradient(135deg, rgba(214, 240, 235, 0.75), rgba(255, 255, 255, 0.95)),
    #ffffff;
}

.site-footer {
  padding: 2rem 0 1.5rem;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.75);
}

.footer-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: start;
}

.footer-title {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--primary);
}

.footer-bottom {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.site-nav a:focus-visible,
.button:focus-visible,
.text-link:focus-visible,
.prompt-chip:focus-visible,
.brand:focus-visible,
.site-footer a:focus-visible {
  outline: 3px solid rgba(15, 118, 110, 0.22);
  outline-offset: 3px;
}

@media (max-width: 960px) {
  .hero-grid,
  .card-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

  .hero {
    padding-top: 4.5rem;
  }
}

@media (max-width: 720px) {
  .section {
    padding: 4rem 0;
  }

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

  .site-nav {
    gap: 0.85rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    width: 100%;
  }

  .panel-card,
  .module-card,
  .prompt-card,
  .reminder-card {
    border-radius: 20px;
  }
}