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

:root {
  --color-bg: #ffffff;
  --color-text: #1a1a2e;
  --color-text-light: #555;
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-accent-bg: #f0f4ff;
  --color-card-bg: #ffffff;
  --color-border: #e2e8f0;
  --color-success: #059669;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --max-width: 960px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  line-height: 1.6;
  background: var(--color-bg);
}

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

/* Hero */
.hero {
  padding: 80px 24px 64px;
  text-align: center;
  background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 100%);
  color: #fff;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero .subtitle {
  font-size: clamp(1.05rem, 2.5vw, 1.25rem);
  opacity: 0.9;
  max-width: 640px;
  margin: 0 auto 32px;
  line-height: 1.5;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 6px;
  font-size: 1.05rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: background 0.2s, transform 0.1s;
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.hero .btn:focus-visible {
  outline-color: #fff;
}

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

.hero .btn-primary:hover {
  background: #f0f4ff;
}

/* Pain Points */
.pain-points {
  padding: 72px 24px;
}

.pain-points h2,
.process h2,
.benefits h2,
.social-proof h2,
.faq h2,
.contact h2 {
  text-align: center;
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  margin-bottom: 40px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 28px 24px;
  transition: box-shadow 0.2s, transform 0.2s;
}

.card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}

.card-icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

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

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

/* Process Steps */
.process {
  padding: 72px 24px;
  background: var(--color-accent-bg);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
}

.step {
  text-align: center;
  position: relative;
}

.step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 24px;
  right: -16px;
  width: 32px;
  height: 2px;
  background: var(--color-primary);
  opacity: 0.3;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: #fff;
  font-size: 1.25rem;
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: 16px;
}

.step h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.step p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  max-width: 300px;
  margin: 0 auto;
}

/* Benefits */
.benefits {
  padding: 72px 24px;
}

.benefit-list {
  list-style: none;
  max-width: 640px;
  margin: 0 auto;
}

.benefit-list li {
  padding: 12px 0 12px 32px;
  position: relative;
  font-size: 1.05rem;
  border-bottom: 1px solid var(--color-border);
}

.benefit-list li:last-child {
  border-bottom: none;
}

.benefit-list li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 700;
  font-size: 1.1rem;
}

/* Social Proof */
.social-proof {
  padding: 72px 24px;
  background: var(--color-accent-bg);
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.testimonial {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 32px 28px 24px;
  position: relative;
  transition: box-shadow 0.2s;
}

.testimonial:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.testimonial::before {
  content: "\201C";
  position: absolute;
  top: 12px;
  left: 20px;
  font-size: 3rem;
  line-height: 1;
  color: var(--color-primary);
  opacity: 0.2;
  font-family: Georgia, serif;
}

.testimonial blockquote {
  font-style: italic;
  color: var(--color-text-light);
  margin-bottom: 16px;
  font-size: 0.95rem;
  line-height: 1.6;
}

.testimonial cite {
  font-style: normal;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
}

/* FAQ */
.faq {
  padding: 72px 24px;
}

.faq-list {
  max-width: 700px;
  margin: 0 auto;
}

details {
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
}

details:first-child {
  border-top: 1px solid var(--color-border);
}

summary {
  font-weight: 600;
  font-size: 1.05rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

summary::-webkit-details-marker {
  display: none;
}

summary:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

summary::after {
  content: "+";
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--color-text-light);
  transition: transform 0.2s;
}

details[open] summary::after {
  content: "\2212";
}

details p {
  margin-top: 12px;
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Contact Form */
.contact {
  padding: 72px 24px;
  background: var(--color-accent-bg);
}

.contact > .container > p {
  text-align: center;
  color: var(--color-text-light);
  max-width: 560px;
  margin: -20px auto 32px;
}

.contact-form {
  max-width: 640px;
  margin: 0 auto;
}

/* Honeypot — hidden from real users, visible to naive bots */
.hp-field {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-error {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 6px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
  font-size: 0.9rem;
  text-align: center;
}

.upload-status {
  margin-top: 12px;
  text-align: center;
  color: var(--color-text-light);
  font-size: 0.9rem;
}

button[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group.full-width {
  margin-bottom: 16px;
}

label {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.optional {
  font-weight: 400;
  color: var(--color-text-light);
}

/* Help tooltip */
.help-tip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: 50%;
  cursor: help;
  position: relative;
  vertical-align: middle;
  margin-left: 4px;
}

.help-tooltip {
  display: none;
  margin-top: 10px;
  width: 100%;
  background: var(--color-accent-bg);
  color: var(--color-text);
  font-size: 0.85rem;
  font-weight: 400;
  line-height: 1.6;
  padding: 14px 16px;
  border-radius: 6px;
  border: 1px solid var(--color-border);
}

.help-tooltip.visible {
  display: block;
}

input, textarea {
  font-family: var(--font-sans);
  font-size: 1rem;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: #fff;
  transition: border-color 0.2s;
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

textarea {
  resize: vertical;
}

input[type="file"] {
  font-size: 0.95rem;
  padding: 8px;
  border: 1px dashed var(--color-border);
  cursor: pointer;
}

input[type="file"]:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.contact-form .btn-primary {
  width: 100%;
  padding: 14px;
  font-size: 1.1rem;
  margin-top: 8px;
}

.form-note {
  text-align: center;
  color: var(--color-text-light);
  font-size: 0.85rem;
  margin-top: 12px;
}

.form-success {
  text-align: center;
  padding: 32px;
  max-width: 640px;
  margin: 0 auto;
}

.form-success h3 {
  color: var(--color-success);
  margin-bottom: 8px;
}

/* Footer */
.footer {
  padding: 32px 24px;
  text-align: center;
  color: var(--color-text-light);
  font-size: 0.85rem;
  border-top: 1px solid var(--color-border);
}

.footer p {
  margin-bottom: 4px;
}

.footer a {
  color: var(--color-primary);
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 600px) {
  .hero {
    padding: 56px 20px 48px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

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

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

  .step:not(:last-child)::after {
    display: none;
  }
}