@font-face {
  font-family: "Instrument Sans";
  src: url("assets/fonts/InstrumentSans-Regular.ttf") format("truetype");
  font-display: swap;
  font-weight: 400;
}

@font-face {
  font-family: "Instrument Sans";
  src: url("assets/fonts/InstrumentSans-Bold.ttf") format("truetype");
  font-display: swap;
  font-weight: 700;
}

:root {
  --bg: #f6f0e4;
  --bg-strong: #efe6d5;
  --surface: rgba(255, 255, 255, 0.86);
  --surface-strong: #ffffff;
  --surface-muted: #f3ebdd;
  --ink: #0f3b2d;
  --ink-soft: #4f6b61;
  --ink-faint: #73867f;
  --brand: #117a50;
  --brand-strong: #0c6040;
  --brand-soft: #d7f0de;
  --line: rgba(15, 59, 45, 0.12);
  --line-strong: rgba(15, 59, 45, 0.22);
  --shadow: 0 28px 70px rgba(23, 51, 42, 0.08);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at top left, rgba(130, 206, 156, 0.24), transparent 36%),
    radial-gradient(circle at 88% 12%, rgba(17, 122, 80, 0.12), transparent 24%),
    linear-gradient(180deg, #fbf6ed 0%, var(--bg) 40%, #f1e8d8 100%);
  color: var(--ink);
  font-family: "Instrument Sans", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(15, 59, 45, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 59, 45, 0.025) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 82%);
  z-index: -1;
}

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

a {
  color: inherit;
}

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

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(17, 122, 80, 0.28);
  outline-offset: 4px;
}

.skip-link {
  position: absolute;
  top: -3rem;
  left: 1rem;
  z-index: 20;
  padding: 0.8rem 1rem;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
}

.skip-link:focus {
  top: 1rem;
}

.page-shell {
  width: min(var(--max-width), calc(100% - 1.6rem));
  margin: 0 auto;
  padding-bottom: 3.5rem;
}

.section {
  margin-top: 4rem;
}

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--brand);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

h1,
h2,
h3,
summary {
  margin: 0;
  letter-spacing: -0.04em;
  line-height: 0.97;
}

h1 {
  font-size: clamp(3rem, 7vw, 5.7rem);
  max-width: 10ch;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.35rem);
  max-width: 13ch;
}

h3 {
  font-size: 1.24rem;
  line-height: 1.08;
}

p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.68;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 25;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0 0.85rem;
}

.topbar.is-scrolled::before {
  opacity: 1;
}

.topbar::before {
  content: "";
  position: absolute;
  inset: 0 -1rem;
  border-bottom: 1px solid rgba(15, 59, 45, 0.08);
  background: rgba(248, 243, 233, 0.8);
  backdrop-filter: blur(18px);
  opacity: 0;
  transition: opacity 180ms ease;
  z-index: -1;
}

.brand {
  display: inline-flex;
  align-items: center;
  width: min(18rem, 44vw);
}

.brand img {
  width: 100%;
  height: auto;
}

.nav {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
}

.nav a {
  padding: 0.78rem 1rem;
  border-radius: 999px;
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.96rem;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.55);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 700;
}

.header-cta {
  min-height: 3rem;
  padding: 0 1.2rem;
  background: var(--ink);
  color: #fefcf7;
  box-shadow: var(--shadow);
}

.header-cta:hover,
.button-primary:hover {
  transform: translateY(-1px);
  background: #0b2d22;
}

.nav-toggle {
  display: none;
  width: 3rem;
  height: 3rem;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
}

.button {
  min-height: 3.3rem;
  padding: 0 1.4rem;
}

.button-primary {
  background: var(--ink);
  color: #fff;
  box-shadow: var(--shadow);
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.75);
  color: var(--ink);
}

.button-secondary:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
  background: #fff;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
  gap: 1.5rem;
  align-items: stretch;
  padding-top: 1.5rem;
}

.hero-copy,
.hero-visual,
.benefit-card,
.logic-card,
.workflow-card,
.template-card,
.resource-panel,
.faq-item,
.cta-banner,
.footer-shell {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(255, 255, 255, 0.74));
  box-shadow: var(--shadow);
}

.hero-copy,
.hero-visual,
.cta-banner {
  min-height: 100%;
}

.hero-copy {
  padding: 2.5rem;
}

.hero-copy::after,
.hero-visual::after,
.cta-banner::after {
  content: "";
  position: absolute;
  inset: auto auto -7rem -5rem;
  width: 16rem;
  height: 16rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(114, 201, 152, 0.34), transparent 68%);
  pointer-events: none;
}

.hero-dek {
  max-width: 60ch;
  margin-top: 1.2rem;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.8rem;
}

.signal-note {
  margin-top: 1.4rem;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(17, 122, 80, 0.14);
  border-radius: 18px;
  background: rgba(215, 240, 222, 0.56);
  color: var(--ink);
  font-size: 0.95rem;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 2rem;
}

.trust-chip {
  padding: 0.72rem 0.9rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: 0.94rem;
}

.hero-visual {
  padding: 1.3rem;
  background:
    radial-gradient(circle at top right, rgba(114, 201, 152, 0.2), transparent 30%),
    linear-gradient(180deg, rgba(250, 246, 238, 0.95), rgba(243, 236, 224, 0.85));
}

.window-bar,
.stat-meta,
.template-meta,
.logic-meta,
.workflow-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.workflow-window {
  height: 100%;
  padding: 1.05rem;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(15, 59, 45, 0.08);
}

.window-bar {
  margin-bottom: 1rem;
  color: var(--ink-faint);
  font-size: 0.9rem;
}

.window-status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.window-status::before {
  content: "";
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: var(--brand);
}

.workflow-canvas {
  display: grid;
  gap: 1rem;
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  align-items: center;
}

.flow-block {
  min-height: 12.5rem;
  padding: 1.15rem;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: #ffffff;
}

.flow-block p,
.logic-card p,
.workflow-card p,
.template-card p {
  font-size: 0.96rem;
}

.flow-label {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 1rem;
  padding: 0.5rem 0.75rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.flow-block.trigger .flow-label {
  background: #d7f0de;
  color: var(--brand-strong);
}

.flow-block.condition .flow-label {
  background: #eef5ef;
  color: var(--ink);
}

.flow-block.action {
  background: linear-gradient(180deg, #0f3b2d, #144535);
  color: #f8f4eb;
}

.flow-block.action p {
  color: rgba(248, 244, 235, 0.82);
}

.flow-block.action .flow-label {
  background: rgba(255, 255, 255, 0.12);
  color: #f8f4eb;
}

.flow-arrow {
  justify-self: center;
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.78);
  color: var(--brand-strong);
  font-size: 1.15rem;
}

.canvas-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.stat-card {
  padding: 1rem;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(250, 248, 243, 0.92);
}

.stat-card strong {
  display: block;
  font-size: 1.05rem;
}

.stat-card span {
  display: block;
  margin-top: 0.35rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.benefit-strip,
.logic-grid,
.workflow-grid-list,
.template-grid {
  display: grid;
  gap: 1rem;
}

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

.benefit-card,
.logic-card,
.workflow-card,
.template-card,
.resource-panel,
.cta-banner,
.footer-shell {
  padding: 1.4rem;
}

.benefit-card h3,
.logic-card h3,
.workflow-card h3,
.template-card h3 {
  margin-bottom: 0.7rem;
}

.section-heading {
  display: grid;
  gap: 0.8rem;
  margin-bottom: 1.4rem;
}

.logic-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.logic-meta,
.workflow-meta,
.template-meta {
  margin-top: 1rem;
  color: var(--ink-faint);
  font-size: 0.88rem;
}

.workflow-grid-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.workflow-card {
  min-height: 17rem;
}

.workflow-badge,
.template-badge {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 0.9rem;
  padding: 0.42rem 0.7rem;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand-strong);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.template-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 1rem;
}

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

.template-card {
  min-height: 21rem;
}

.template-logic {
  display: grid;
  gap: 0.65rem;
  margin-top: 1.1rem;
}

.template-step {
  display: grid;
  gap: 0.25rem;
  padding: 0.75rem;
  border-radius: 18px;
  background: rgba(243, 236, 224, 0.76);
  border: 1px solid rgba(15, 59, 45, 0.08);
}

.template-step strong {
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.resource-panel {
  background:
    radial-gradient(circle at top right, rgba(114, 201, 152, 0.26), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(247, 241, 231, 0.9));
}

.resource-list,
.footer-links {
  display: grid;
  gap: 0.8rem;
  margin-top: 1.1rem;
}

.resource-link,
.footer-links a {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
}

.resource-link:hover,
.footer-links a:hover {
  border-color: var(--line-strong);
  transform: translateY(-1px);
}

.faq-list {
  display: grid;
  gap: 1rem;
}

.faq-item {
  padding: 0;
}

.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.4rem;
  cursor: pointer;
  font-size: 1.14rem;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-size: 1.6rem;
  color: var(--brand-strong);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  padding: 0 1.4rem 1.4rem;
}

.cta-banner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  background:
    radial-gradient(circle at top left, rgba(114, 201, 152, 0.26), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(244, 238, 228, 0.95));
}

.cta-banner .button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.4rem;
}

.cta-mark {
  width: 7rem;
  padding: 0.9rem;
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid var(--line);
}

.footer-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  margin-top: 4rem;
}

.footer-meta p {
  max-width: 60ch;
}

.footer-copy {
  margin-top: 0.75rem;
  color: var(--ink-faint);
  font-size: 0.92rem;
}

@media (max-width: 980px) {
  .topbar {
    grid-template-columns: auto 1fr auto;
  }

  .header-cta {
    display: none;
  }

  .hero,
  .template-layout,
  .cta-banner,
  .footer-shell {
    grid-template-columns: 1fr;
  }

  .benefit-strip,
  .workflow-grid-list,
  .template-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 840px) {
  .topbar {
    grid-template-columns: auto 1fr auto;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 0.4rem);
    display: none;
    flex-direction: column;
    padding: 0.6rem;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: rgba(250, 246, 238, 0.96);
    box-shadow: var(--shadow);
  }

  .nav[data-open="true"] {
    display: flex;
  }

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

  .flow-arrow {
    transform: rotate(90deg);
  }

  .benefit-strip,
  .logic-grid,
  .workflow-grid-list,
  .template-grid,
  .canvas-stats {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(var(--max-width), calc(100% - 1rem));
  }

  .hero-copy,
  .hero-visual,
  .benefit-card,
  .logic-card,
  .workflow-card,
  .template-card,
  .resource-panel,
  .cta-banner,
  .footer-shell {
    border-radius: 26px;
  }

  .hero-copy,
  .cta-banner,
  .footer-shell {
    padding: 1.3rem;
  }

  .hero-visual,
  .benefit-card,
  .logic-card,
  .workflow-card,
  .template-card,
  .resource-panel {
    padding: 1.1rem;
  }

  .workflow-window {
    padding: 0.85rem;
  }

  .trust-chip,
  .resource-link,
  .footer-links a {
    font-size: 0.92rem;
  }
}