@font-face {
  font-family: 'DM Sans';
  src: url('/public/fonts/DM_Sans/DMSans-Thin.ttf') format('truetype');
  font-weight: 100;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'DM Sans';
  src: url('/public/fonts/DM_Sans/DMSans-Light.ttf') format('truetype');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'DM Sans';
  src: url('/public/fonts/DM_Sans/DMSans-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'DM Sans';
  src: url('/public/fonts/DM_Sans/DMSans-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'DM Sans';
  src: url('/public/fonts/DM_Sans/DMSans-Black.ttf') format('truetype');
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #f7faf7;
  --bg-soft: #eef5ef;
  --card: #ffffff;
  --text: #14241a;
  --muted: #5f7266;
  --line: #d7e3d9;
  --accent: #0f766e;
  --accent-hover: #0b5f59;
  --accent-light: #e6f4f1;
  --accent-ink: #134e4a;
  --success: #047857;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --warning: #d97706;
  --chip: #e6f4f1;
  --row-hover: #f3f8f4;
  --footer-bg: #eef5ef;
  --footer-border: #d7e3d9;
  --footer-bottom: #e4eee6;
  --shadow: 0 1px 2px rgba(20, 36, 26, 0.05), 0 4px 14px rgba(20, 36, 26, 0.04);
  --shadow-lg: 0 10px 30px rgba(20, 36, 26, 0.08);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --header-height: 72px;
  --font: 'DM Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --max-width: 1120px;
  --focus-ring: 0 0 0 3px rgba(15, 118, 110, 0.28);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

main {
  flex: 1 0 auto;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.page-shell {
  padding: calc(var(--header-height) + 40px) 0 80px;
  min-height: calc(100vh - 200px);
}

.page-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.page-header h1 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 12px;
}

.page-header p,
.page-lead {
  color: var(--muted);
  font-size: 1.05rem;
}

.section {
  padding: 72px 0;
}

.section-alt {
  background: var(--bg-soft);
}

.section-title {
  text-align: center;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-subtitle {
  text-align: center;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto 40px;
  font-size: 1.05rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease,
    box-shadow 0.15s ease, transform 0.15s ease;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn-secondary {
  background: var(--card);
  color: var(--text);
  border-color: var(--line);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-soft);
  border-color: var(--line);
}

.btn-ghost {
  background: transparent;
  color: var(--accent);
  border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
  background: var(--accent-light);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
  text-align: left;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--card);
  color: var(--text);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: var(--focus-ring);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.error-text,
.error-message {
  color: var(--danger);
  font-size: 0.8125rem;
  margin-top: 4px;
}

.error-input {
  border-color: var(--danger) !important;
  background: var(--danger-bg);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Features grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.feature-icon img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  margin: 0 auto;
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--muted);
  font-size: 0.95rem;
}

/* FAQ accordion */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  background: none;
  border: none;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
}

.faq-question:hover {
  background: var(--bg-soft);
}

.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  line-height: 1;
}

.faq-answer {
  display: none;
  padding: 0 20px 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-item.active .faq-icon {
  background: var(--accent);
  color: #fff;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast,
#toast {
  background: var(--text);
  color: #fff;
  padding: 12px 16px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  font-size: 0.875rem;
  font-weight: 500;
  pointer-events: auto;
}

.toast.success {
  background: var(--success);
}

.toast.error {
  background: var(--danger);
}

.toast.warning {
  background: var(--warning);
}

@media (max-width: 900px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 16px;
  }

  .page-shell {
    padding: calc(var(--header-height) + 28px) 0 56px;
  }

  .section {
    padding: 56px 0;
  }

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

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}