:root {
  color-scheme: light;
  --bg: #f5f8f7;
  --surface: #ffffff;
  --surface-soft: #eaf6f3;
  --ink: #102724;
  --ink-soft: #405853;
  --muted: #667873;
  --line: #d9e5e1;
  --accent: #0b7d6b;
  --accent-dark: #086454;
  --accent-ink: #ffffff;
  --danger: #9a3429;
  --danger-bg: #fff0ed;
  --success: #176a52;
  --success-bg: #e8f7f1;
  --shadow: 0 18px 45px rgba(17, 58, 50, 0.09);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.65 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0 0 auto;
  z-index: -1;
  height: 32rem;
  content: "";
  background: linear-gradient(180deg, #eaf7f3 0%, rgba(234, 247, 243, 0) 100%);
  pointer-events: none;
}

a {
  color: var(--accent-dark);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent);
}

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(100% - 2.5rem, 68rem);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 50;
  padding: 0.7rem 1rem;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  border-bottom: 1px solid rgba(217, 229, 225, 0.8);
  background: rgba(245, 248, 247, 0.92);
}

.nav-wrap {
  display: flex;
  min-height: 4.75rem;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand:hover {
  color: var(--ink);
}

.brand img {
  flex: 0 0 auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.85rem, 2.4vw, 1.6rem);
  font-size: 0.92rem;
  font-weight: 650;
}

.main-nav a {
  color: var(--ink-soft);
  text-decoration: none;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--accent-dark);
}

.hero {
  padding: clamp(3.4rem, 7vw, 6.2rem) 0 3.2rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(22rem, 1.12fr);
  align-items: center;
  gap: clamp(2.2rem, 6vw, 5.5rem);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0 0 1rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid #c7e4dd;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

h1,
h2,
h3 {
  margin-top: 0;
  color: var(--ink);
  line-height: 1.15;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

h1 {
  max-width: 13ch;
  margin-bottom: 1rem;
  font-size: clamp(2.35rem, 5vw, 4.5rem);
}

h2 {
  margin-bottom: 0.85rem;
  font-size: clamp(1.7rem, 3.6vw, 2.65rem);
}

h3 {
  margin-bottom: 0.5rem;
  font-size: 1.08rem;
  letter-spacing: -0.015em;
}

.lead {
  max-width: 37rem;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1.04rem, 2vw, 1.22rem);
}

.trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.1rem;
  margin: 1.5rem 0 0;
  padding: 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
  font-weight: 650;
  list-style: none;
}

.trust-list li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.trust-list li::before {
  color: var(--accent);
  content: "✓";
  font-weight: 900;
}

.upload-card,
.result-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.upload-card {
  padding: clamp(1rem, 3vw, 1.4rem);
}

.drop-zone {
  display: grid;
  min-height: 13rem;
  place-items: center;
  padding: 2.1rem 1.2rem;
  border: 1.5px dashed #abc9c2;
  border-radius: 13px;
  background: #fbfdfc;
  cursor: pointer;
  text-align: center;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.drop-zone:hover,
.drop-zone.is-over,
.drop-zone:focus-within {
  border-color: var(--accent);
  background: var(--surface-soft);
}

.drop-zone:active {
  transform: scale(0.995);
}

.upload-icon {
  display: grid;
  width: 3.1rem;
  height: 3.1rem;
  margin: 0 auto 0.9rem;
  place-items: center;
  border-radius: 13px;
  background: var(--surface-soft);
  color: var(--accent-dark);
  font-size: 1.45rem;
  font-weight: 800;
}

.drop-zone strong {
  display: block;
  font-size: 1.04rem;
}

.drop-zone span {
  display: block;
  margin-top: 0.3rem;
  color: var(--muted);
  font-size: 0.86rem;
}

.file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.file-name {
  min-height: 1.5rem;
  margin-top: 0.8rem;
  color: var(--accent-dark);
  font-size: 0.88rem;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.confirmation {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 0.7rem;
  margin: 1rem 0 0;
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.confirmation input {
  width: 1.05rem;
  height: 1.05rem;
  margin-top: 0.2rem;
  accent-color: var(--accent);
}

.primary-button,
.secondary-button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 750;
  text-decoration: none;
  transition: background 150ms ease, border-color 150ms ease, transform 150ms ease;
}

.primary-button {
  width: 100%;
  margin-top: 1rem;
  background: var(--accent);
  color: var(--accent-ink);
}

.primary-button:hover:not(:disabled) {
  background: var(--accent-dark);
  color: var(--accent-ink);
}

.primary-button:active:not(:disabled),
.secondary-button:active {
  transform: translateY(1px);
}

.primary-button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.secondary-button {
  padding: 0.66rem 1rem;
  border-color: var(--line);
  background: var(--surface);
  color: var(--ink);
}

.secondary-button:hover {
  border-color: #aac9c1;
  background: var(--surface-soft);
  color: var(--ink);
}

.upload-note,
.loading-message {
  margin: 0.8rem 0 0;
  color: var(--muted);
  font-size: 0.8rem;
  text-align: center;
}

.loading-message[hidden] {
  display: none;
}

.message {
  margin: 0 0 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid #efc7c1;
  border-radius: 10px;
  background: var(--danger-bg);
  color: var(--danger);
  font-size: 0.9rem;
}

.section {
  padding: clamp(3.8rem, 8vw, 6.5rem) 0;
}

.section-compact {
  padding-top: 0;
}

.section-header {
  max-width: 42rem;
  margin-bottom: 2rem;
}

.section-header p,
.feature-card p,
.step-card p,
.privacy-panel p,
.faq-list p,
.legal-content p,
.legal-content li,
.contact-card p {
  color: var(--ink-soft);
}

.steps-grid,
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.use-case-link {
  display: grid;
  gap: 0.3rem;
  padding: 1.2rem 1.3rem;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
  text-decoration: none;
  transition: border-color 150ms ease, background 150ms ease, transform 150ms ease;
}

.use-case-link:hover {
  border-color: #aac9c1;
  background: var(--surface);
  color: var(--ink);
  transform: translateY(-1px);
}

.use-case-link span {
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.landing-hero h1 {
  max-width: 15ch;
}

.prose-intro {
  max-width: 52rem;
}

.prose-intro .section-header {
  margin-bottom: 1.25rem;
}

.prose-intro > p {
  color: var(--ink-soft);
  font-size: 1.03rem;
}

.step-card,
.feature-card {
  padding: 1.45rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.78);
}

.step-number {
  display: grid;
  width: 2rem;
  height: 2rem;
  margin-bottom: 1rem;
  place-items: center;
  border-radius: 9px;
  background: var(--surface-soft);
  color: var(--accent-dark);
  font-size: 0.82rem;
  font-weight: 850;
}

.step-card p,
.feature-card p {
  margin: 0;
  font-size: 0.92rem;
}

.privacy-panel {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  padding: clamp(1.6rem, 4vw, 2.5rem);
  border: 1px solid #cbe4de;
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.privacy-panel p {
  margin-bottom: 0;
}

.privacy-points {
  display: grid;
  align-content: center;
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.privacy-points li {
  padding: 0.65rem 0.75rem;
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.74);
  color: var(--ink-soft);
  font-size: 0.88rem;
  font-weight: 650;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  position: relative;
  padding: 1.15rem 2.2rem 1.15rem 0;
  cursor: pointer;
  font-weight: 750;
  list-style: none;
}

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

.faq-list summary::after {
  position: absolute;
  top: 1.15rem;
  right: 0;
  color: var(--accent-dark);
  content: "+";
  font-size: 1.25rem;
  line-height: 1;
}

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

.faq-list p {
  max-width: 52rem;
  margin: -0.35rem 0 1.15rem;
}

.result-section {
  padding: clamp(3rem, 7vw, 5.5rem) 0;
}

.result-card {
  padding: clamp(1.2rem, 4vw, 2rem);
}

.success-label {
  display: inline-block;
  margin-bottom: 0.8rem;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  background: var(--success-bg);
  color: var(--success);
  font-size: 0.78rem;
  font-weight: 800;
}

.result-meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.transcript-field {
  width: 100%;
  min-height: 20rem;
  margin-top: 1.2rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fafcfb;
  color: var(--ink);
  line-height: 1.7;
  resize: vertical;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1rem;
}

.legal-hero {
  padding: clamp(3.5rem, 7vw, 5.5rem) 0 1.8rem;
}

.legal-hero h1 {
  max-width: 17ch;
  font-size: clamp(2.1rem, 4vw, 3.4rem);
}

.legal-content {
  max-width: 48rem;
  padding-bottom: 5rem;
}

.legal-content h2 {
  margin-top: 2.4rem;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.legal-content h3 {
  margin-top: 1.6rem;
}

.legal-content ul {
  padding-left: 1.25rem;
}

.legal-notice {
  margin: 1.3rem 0 2rem;
  padding: 1rem 1.1rem;
  border-left: 4px solid var(--accent);
  border-radius: 0 10px 10px 0;
  background: var(--surface-soft);
  color: var(--ink-soft);
}

.contact-card {
  max-width: 42rem;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #edf3f1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  padding-block: 2.3rem;
}

.brand-footer {
  font-size: 1rem;
}

.footer-grid p {
  max-width: 26rem;
  margin: 0.65rem 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.footer-grid nav {
  display: grid;
  align-content: start;
  gap: 0.4rem;
  min-width: 12rem;
  font-size: 0.86rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
}

:focus-visible {
  outline: 3px solid rgba(11, 125, 107, 0.35);
  outline-offset: 3px;
}

@media (max-width: 800px) {
  .hero-grid,
  .privacy-panel {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 3rem;
  }

  h1 {
    max-width: 15ch;
  }

  .steps-grid,
  .features-grid,
  .use-cases-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .container {
    width: min(100% - 1.5rem, 68rem);
  }

  .nav-wrap {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.65rem;
    padding-block: 0.8rem;
  }

  .main-nav {
    width: 100%;
    gap: 0.85rem;
    overflow-x: auto;
    padding-bottom: 0.25rem;
    white-space: nowrap;
  }

  .hero {
    padding-top: 2.5rem;
  }

  .drop-zone {
    min-height: 11.5rem;
  }

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

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .action-row > * {
    width: 100%;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}