@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Sora:wght@600;700;800&display=swap');

:root {
  --bg: #f5f3ee;
  --surface: #ffffff;
  --surface-soft: #eef4e8;
  --text: #111111;
  --muted: #5a5a5a;
  --line: #111111;
  --accent: #b8ff65;
  --accent-deep: #99df4f;
  --shadow: 8px 8px 0 #111111;
  --radius: 24px;
  --container: 980px;
  --font-display: "Sora", sans-serif;
  --font-body: "Inter", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(184, 255, 101, 0.18), transparent 22%),
    linear-gradient(180deg, #fbfaf7 0%, var(--bg) 100%);
}

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

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

button,
input,
textarea {
  font: inherit;
}

.page-shell {
  overflow: clip;
}

.container {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
}

.section {
  padding: 80px 0 0;
  scroll-margin-top: 40px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(245, 243, 238, 0.88);
  border-bottom: 1px solid rgba(17, 17, 17, 0.1);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
}

.brand {
  display: flex;
  align-items: center;
  min-width: 0;
}

.brand img {
  height: 63px;
  width: auto;
  object-fit: contain;
  display: block;
}

h1,
h2,
h3,
.button,
.card-index,
.eyebrow,
.section-kicker,
.trust-title {
  font-family: var(--font-display);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.main-nav a {
  font-size: 0.98rem;
  font-weight: 600;
  color: #242424;
}

.mobile-menu-btn {
  display: none;
}

.header-cta {
  white-space: nowrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 28px;
  border-radius: 18px;
  border: 2px solid var(--line);
  box-shadow: 4px 4px 0 var(--line);
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
  font-size: 0.98rem;
  font-weight: 700;
}

.mobile-nav-cta {
  display: none;
}

.button:hover,
.button:focus-visible {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--line);
}

.button-primary {
  background: var(--accent);
}

.button-secondary {
  background: var(--surface);
}

.button-dark {
  color: #fff;
  background: #111111;
}

.hero {
  padding: 16px 0 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: stretch;
}

.hero-copy,
.surface-card {
  border: 2px solid var(--line);
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 40px;
}

.eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border: 2px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

h1 {
  margin: 18px 0 18px;
  font-size: clamp(3rem, 5.6vw, 5.4rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
  max-width: 12ch;
}

.hero-lead {
  max-width: 62ch;
  color: #2e2e2e;
  font-size: 1.14rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 28px 0 42px;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.hero-points li {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.4;
}

.hero-points li::before {
  content: "";
  display: inline-block;
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent) url('data:image/svg+xml;utf8,<svg viewBox="0 0 24 24" fill="none" stroke="%23111" stroke-width="3" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><polyline points="20 6 9 17 4 12"></polyline></svg>') no-repeat center;
  background-size: 13px;
  border: 1.5px solid var(--line);
}

.hero-system {
  padding: 26px;
  background:
    radial-gradient(circle at top center, rgba(184, 255, 101, 0.22), transparent 34%),
    #fff;
}

.system-head,
.system-grid {
  display: grid;
  grid-template-columns: 1fr 1.08fr 1fr 0.9fr;
  gap: 14px;
}

.system-head {
  margin-bottom: 14px;
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  color: #2c2c2c;
}

.system-column {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mini-card,
.result-card {
  min-height: 62px;
  padding: 14px 16px;
  border: 2px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  display: flex;
  align-items: center;
}

.mini-card {
  font-weight: 700;
}

.system-core {
  padding: 14px 16px 18px;
  border: 2px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(184, 255, 101, 0.28), rgba(184, 255, 101, 0.08));
}

.ai-core {
  display: grid;
  place-items: center;
  min-height: 128px;
  margin-bottom: 12px;
  border: 2px solid var(--line);
  border-radius: 22px;
  background: var(--accent);
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 4.6rem);
  font-weight: 800;
  letter-spacing: -0.06em;
}

.system-core ul {
  padding: 0;
  margin: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.system-core li {
  position: relative;
  padding-left: 20px;
  color: #323232;
  font-size: 0.96rem;
  font-weight: 600;
}

.system-core li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--accent);
  border: 1.5px solid var(--line);
}

.result-card {
  min-height: 117.5px;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 4px;
  background: linear-gradient(180deg, rgba(184, 255, 101, 0.22), rgba(184, 255, 101, 0.08));
}

.result-card strong {
  font-size: 1.8rem;
  line-height: 1;
}

.result-card span {
  color: #343434;
  font-size: 0.94rem;
  line-height: 1.4;
}

.trust-strip {
  padding: 40px 0 0;
}

.trust-wrapper {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.trust-heading h2 {
  margin: 0 0 12px;
}

.trust-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 1.1rem;
}

.trust-grid-2x2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.trust-card {
  padding: 28px;
  border: 2px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.trust-card h3 {
  margin: 0 0 12px;
  font-size: 1.25rem;
}

.trust-card p {
  margin: 0;
  color: #383838;
  line-height: 1.6;
}

.section-intro {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 460px);
  gap: 28px;
  align-items: end;
  margin-bottom: 30px;
}

h2 {
  margin: 14px 0 0;
  font-size: clamp(2.1rem, 4vw, 3.6rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
}

.section-intro p:last-child,
.faq-side p,
.cta-panel > p {
  color: var(--muted);
  font-size: 1.03rem;
  line-height: 1.7;
}

.scenario-grid,
.results-grid {
  display: grid;
  gap: 18px;
}

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

.scenario-card {
  padding: 26px;
}

.card-index {
  display: inline-block;
  margin-bottom: 18px;
  color: #1c1c1c;
  font-size: 1.3rem;
  font-weight: 800;
}

.scenario-card h3,
.process-card h3 {
  margin: 0 0 12px;
  font-size: 1.35rem;
  line-height: 1.2;
}

.scenario-card p,
.process-card p {
  margin: 0;
  color: #424242;
  line-height: 1.65;
}

.scenario-card a {
  display: inline-flex;
  margin-top: 20px;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.process-card {
  min-height: 100%;
  padding: 26px;
  border: 2px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.88);
}

.process-card span {
  display: inline-block;
  margin-bottom: 16px;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
}

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

.result-tile {
  min-height: 180px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.result-tile h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
  line-height: 1.2;
}

.result-tile p {
  color: #373737;
  font-size: 1rem;
  line-height: 1.45;
}

.faq-layout {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 22px;
}

.faq-side,
.faq-list {
  border: 2px solid var(--line);
  border-radius: 32px;
  box-shadow: var(--shadow);
  background: rgba(255, 255, 255, 0.92);
}

.faq-side {
  padding: 30px;
}

.faq-list {
  overflow: hidden;
}

.faq-item + .faq-item {
  border-top: 2px solid var(--line);
}

.faq-question {
  width: 100%;
  padding: 22px 24px;
  border: 0;
  background: transparent;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  font-size: 1.08rem;
  font-weight: 700;
  cursor: pointer;
}

.faq-question[aria-expanded="true"] {
  background: rgba(184, 255, 101, 0.28);
}

.faq-mark {
  flex: 0 0 auto;
  font-family: var(--font-display);
  font-size: 1.5rem;
  transition: transform 0.2s ease;
}

.faq-question[aria-expanded="true"] .faq-mark {
  transform: rotate(45deg);
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.24s ease;
}

.faq-answer p {
  overflow: hidden;
  margin: 0;
  padding: 0 24px;
  color: #404040;
  line-height: 1.7;
}

.faq-item.is-open .faq-answer {
  grid-template-rows: 1fr;
}

.faq-item.is-open .faq-answer p {
  padding: 0 24px 24px;
}

.final-cta {
  padding: 80px 0;
}

.cta-panel {
  padding: 34px;
  border: 2px solid var(--line);
  border-radius: 34px;
  background: linear-gradient(180deg, rgba(184, 255, 101, 0.82), rgba(184, 255, 101, 0.72));
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: 1.25fr 1fr auto;
  gap: 24px;
  align-items: center;
}

.cta-panel h2 {
  margin-top: 12px;
}

@media (max-width: 1200px) {
  .hero-grid,
  .faq-layout,
  .section-intro,
  .cta-panel {
    grid-template-columns: 1fr;
  }

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

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

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

  .trust-grid-2x2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .header-cta {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 32px;
    height: 22px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 50;
  }

  .mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--text);
    border-radius: 4px;
    transition: all 0.3s ease;
  }

  .mobile-menu-btn.is-active span:nth-child(1) {
    transform: translateY(9.5px) rotate(45deg);
  }
  .mobile-menu-btn.is-active span:nth-child(2) {
    opacity: 0;
  }
  .mobile-menu-btn.is-active span:nth-child(3) {
    transform: translateY(-9.5px) rotate(-45deg);
  }

  .main-nav {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 340px;
    height: 100vh;
    background: var(--surface);
    border-left: 2px solid var(--line);
    padding: 100px 32px 32px;
    gap: 20px;
    transition: right 0.3s ease;
    z-index: 40;
    box-shadow: -8px 0 0 rgba(0,0,0,0.1);
  }

  .main-nav.is-open {
    right: 0;
  }

  .mobile-nav-cta {
    display: inline-flex;
    margin-bottom: 24px;
    width: 100%;
  }

  .main-nav a:not(.button) {
    font-size: 1.4rem;
    font-weight: 700;
    padding: 12px 0;
    border-bottom: 2px solid rgba(17, 17, 17, 0.1);
  }

  .header-inner {
    flex-wrap: nowrap;
  }

  .system-head,
  .system-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .trust-grid-2x2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .section {
    padding: 56px 0 0;
    scroll-margin-top: 64px;
  }
  .final-cta {
    padding: 56px 0;
  }

  .hero {
    padding-top: 30px;
  }

  .hero-copy,
  .hero-system,
  .faq-side,
  .cta-panel,
  .scenario-card,
  .process-card,
  .result-tile {
    padding: 22px;
  }

  h1 {
    font-size: 2.65rem;
    max-width: none;
  }

  .brand {
    align-items: flex-start;
  }

  .header-cta,
  .hero-actions .button,
  .cta-panel .button {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }

  .system-head,
  .system-grid,
  .scenario-grid,
  .process-grid,
  .results-grid {
    grid-template-columns: 1fr;
  }

  .button {
    min-height: 54px;
  }

  .faq-question {
    font-size: 1rem;
    padding: 18px 20px;
  }

  .faq-answer p,
  .faq-item.is-open .faq-answer p {
    padding-left: 20px;
    padding-right: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}