:root {
  --color-primary: #d32f2f;
  --color-primary-dark: #b71c1c;
  --color-secondary-light: #f5f5f5;
  --color-bg-white: #ffffff;
  --color-text-primary: #333333;
  --color-text-secondary: #666666;
  --color-border: #e0e0e0;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Roboto, Arial, sans-serif;
  background-color: var(--color-secondary-light);
  color: var(--color-text-primary);
  line-height: 1.6;
}

body.modal-open {
  overflow: hidden;
}

.landing-container {
  max-width: 980px;
  margin: 0 auto;
  padding: 20px;
}

.landing-header {
  text-align: center;
  margin: 24px 0 34px;
}

.project-logo {
  width: 72px;
  height: 72px;
  object-fit: contain;
}

h1,
h2,
h3 {
  margin: 0 0 10px;
}

h1 {
  color: var(--color-primary);
  font-size: 2.4rem;
}

.landing-header p,
.hero-section > p,
.golden-section p,
.landing-footer p {
  color: var(--color-text-secondary);
}

.text-highlight {
  color: var(--color-primary);
  font-weight: 700;
}

.hero-section,
.form-section,
.golden-section {
  background: var(--color-bg-white);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
  margin-bottom: 20px;
}

.hero-ctas {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 16px 0 0;
}

.hero-ctas .btn {
  width: 230px;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.feature {
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 14px;
  background: #fff;
}

.feature h3 {
  color: var(--color-primary);
  font-size: 1.05rem;
}

.lead-form {
  display: grid;
  gap: 12px;
}

.form-group {
  display: grid;
  gap: 6px;
}

label {
  font-weight: 700;
}

input {
  width: 100%;
  border: 1px solid #d9d9d9;
  border-radius: 10px;
  padding: 12px;
  font-size: 1rem;
}

input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 999px;
  padding: 12px 18px;
  min-height: 48px;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: 0.2s ease;
}

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

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

.btn-secondary {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  background: transparent;
}

.btn-secondary:hover {
  background: #ffeaea;
}

.form-message {
  min-height: 1.25rem;
  margin: 0;
  font-size: 0.95rem;
}

.form-message.success {
  color: #2e7d32;
}

.form-message.error {
  color: var(--color-primary-dark);
}

.hidden {
  display: none;
}

#successModal.hidden {
  display: none;
}

.modal-overlay.hidden {
  display: none;
}

.contact-form.hidden {
  display: none;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3000;
  padding: 18px;
}

.modal-card {
  width: min(520px, 100%);
  background: #fff;
  border-radius: 18px;
  padding: 26px 20px;
  text-align: center;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

.success-badge {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  background: #2ecc71
}

.modal-card h2 {
  color: #1d7f3d;
  margin-bottom: 10px;
}

.modal-subtitle {
  color: var(--color-text-secondary);
  margin: 0 0 18px;
}

.modal-btn {
  width: 100%;
  margin-top: 10px;
}

.landing-footer {
  max-width: 980px;
  margin: 12px auto 26px;
  text-align: center;
  padding: 0 20px;
}

.legal-note {
  font-size: 0.72rem;
  color: var(--color-text-secondary);
  opacity: 0.68;
  max-width: 760px;
  margin: 8px auto 0;
  line-height: 1.45;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 10px 0;
}

.brand-logo {
  width: 220px;
  max-width: 80vw;
  height: auto;
}

.contact-container {
  max-width: 760px;
  margin: 0 auto;
  padding: 16px;
}

.contact-header {
  text-align: center;
  margin: 14px 0 18px;
}

.contact-header p {
  color: var(--color-text-secondary);
  margin: 0;
}

.contact-card {
  background: var(--color-bg-white);
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}

.selector-title {
  margin-bottom: 8px;
}

.profile-selector {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 10px 0 18px;
}

.profile-btn {
  width: 100%;
  border-radius: 12px;
  border: 2px solid var(--color-border);
  background: #fff;
  color: var(--color-text-primary);
  padding: 12px 14px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
}

.profile-btn.active {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: #fff5f5;
}

.contact-form {
  display: grid;
  gap: 12px;
}

.contact-form.fade-in {
  animation: contactFormFadeIn 1s ease;
}

@keyframes contactFormFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

textarea {
  width: 100%;
  border: 1px solid #d9d9d9;
  border-radius: 10px;
  padding: 12px;
  font-size: 1rem;
  resize: vertical;
  min-height: 120px;
}

textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.sticky-submit {
  position: sticky;
  bottom: 0;
  background: linear-gradient(to top, #fff 75%, rgba(255, 255, 255, 0));
  padding: 8px 0 calc(6px + env(safe-area-inset-bottom));
}

.sticky-submit .btn {
  width: 100%;
}

.modal-actions {
  display: grid;
  gap: 10px;
  margin-top: 6px;
}

@media (max-width: 768px) {
  .features {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 2rem;
  }

  .hero-section,
  .form-section,
  .golden-section {
    padding: 18px;
  }

  .hero-ctas .btn {
    width: 100%;
    min-width: 0;
  }
}

@media (min-width: 769px) {
  .profile-selector {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}