/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  line-height: 1.5;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

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

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

.btn-white {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

.btn-white:hover {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn-outline-white {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline-white:hover {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

/* ===== Cards ===== */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.card-bordered {
  box-shadow: none;
  border: 1px solid var(--color-gray-200);
}

.card-bordered:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

/* ===== Badges ===== */
.badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
}

.badge-blue {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.badge-green {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
}

.badge-amber {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
}

.badge-indigo {
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
}

.badge-gray {
  background: var(--color-gray-100);
  color: var(--color-gray-600);
}

/* ===== Navigation ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.site-header .nav {
  height: 72px;
}

/* Default: transparent over hero — white text */
.nav-logo img {
  height: 36px;
  filter: brightness(0) invert(1);
  transition: filter var(--transition-base);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-white);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-white);
  border-radius: 1px;
  transition: background var(--transition-fast);
}

/* CTA button in nav: outline-white style when over hero */
.nav-link.btn {
  color: var(--color-white);
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.8);
}

.nav-link.btn:hover {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

/* Scrolled: white background — dark text */
.nav-scrolled {
  background: rgba(11, 17, 32, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

.nav-scrolled .nav-logo img {
  filter: brightness(0) invert(1);
}

.nav-scrolled .nav-link {
  color: var(--color-gray-600);
}

.nav-scrolled .nav-link:hover,
.nav-scrolled .nav-link.active {
  color: var(--color-white);
}

.nav-scrolled .nav-link.active::after {
  background: var(--color-primary);
}

.nav-scrolled .nav-link.btn {
  color: var(--color-white);
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.nav-scrolled .nav-link.btn:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.nav-scrolled .nav-toggle span {
  background: var(--color-gray-600);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 1px;
  transition: all var(--transition-fast);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-surface);
    padding: var(--space-6);
    gap: var(--space-4);
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--color-gray-200);
  }

  .nav-links.nav-open {
    display: flex;
  }

  /* Mobile dropdown — light text on dark surface */
  .nav-links .nav-link {
    color: var(--color-gray-600);
  }

  .nav-links .nav-link:hover,
  .nav-links .nav-link.active {
    color: var(--color-white);
  }

  .nav-links .nav-link.btn {
    color: var(--color-white);
    background: var(--color-primary);
    border-color: var(--color-primary);
  }
}

/* ===== Footer ===== */
.site-footer {
  background: #060a14;
  color: var(--color-gray-500);
  padding: var(--space-16) 0 var(--space-8);
  border-top: 1px solid var(--color-gray-200);
}

.footer-grid {
  display: grid;
  grid-template-columns: auto auto 1fr 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
  margin-bottom: var(--space-12);
}

.footer-brand p {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  max-width: 280px;
}

.footer-brand img {
  height: 28px;
  filter: brightness(0) invert(1);
}

.footer-links h4 {
  color: var(--color-white);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: var(--space-8);
  text-align: center;
  font-size: var(--text-sm);
}

.footer-compliance {
  display: flex;
  align-items: start;
  margin-left: 0;
}

.footer-compliance .compliance-badge {
  height: 90px;
  width: auto;
  object-fit: contain;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

/* ===== Mode Cards ===== */
.mode-card {
  text-align: center;
  padding: var(--space-10) var(--space-8);
}

.mode-card .badge {
  margin-bottom: var(--space-4);
}

.mode-card h3 {
  margin-bottom: var(--space-4);
}

.mode-card-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-6);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}

.mode-card-icon i {
  line-height: 1;
}

/* ===== Feature Icons ===== */
.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(59, 130, 246, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  font-size: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.feature-icon i {
  line-height: 1;
}

/* ===== Problem Cards ===== */
.problem-card {
  text-align: center;
  padding: var(--space-8);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-200);
}

.problem-card h4 {
  margin-bottom: var(--space-3);
  color: var(--color-gray-900);
}

.problem-card p {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  line-height: var(--leading-relaxed);
}

.problem-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: rgba(220, 38, 38, 0.15);
  color: #f87171;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin: 0 auto var(--space-5);
}

.problem-icon i {
  line-height: 1;
}

/* ===== Solution Cards ===== */
.solution-card {
  text-align: center;
  padding: var(--space-8);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-200);
}

.solution-card h4 {
  margin-bottom: var(--space-3);
  color: var(--color-gray-900);
}

.solution-card p {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  line-height: var(--leading-relaxed);
}

.solution-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin: 0 auto var(--space-5);
}

.solution-icon i {
  line-height: 1;
}

/* ===== Security Callout ===== */
.security-callout {
  background: var(--color-surface-raised);
  color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-12) var(--space-10);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
}

.security-callout h3 {
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.security-callout > p {
  color: var(--color-gray-400);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
}

.security-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.security-feature {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.security-feature-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(37, 99, 235, 0.15);
  color: #60a5fa;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.security-feature-icon i {
  line-height: 1;
}

.security-feature strong {
  display: block;
  color: var(--color-white);
  font-size: var(--text-sm);
  margin-bottom: var(--space-1);
}

.security-feature p {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  line-height: var(--leading-relaxed);
}

@media (max-width: 768px) {
  .security-callout {
    grid-template-columns: 1fr;
    padding: var(--space-8) var(--space-6);
  }
}

/* ===== Testimonials ===== */
.testimonial-card {
  background: var(--color-surface);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.testimonial-quote {
  font-size: var(--text-sm);
  color: var(--color-gray-700);
  line-height: var(--leading-relaxed);
  flex: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  object-fit: cover;
  flex-shrink: 0;
}

.testimonial-author strong {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-gray-900);
}

.testimonial-author span {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
}

/* ===== Step Numbers ===== */
.step-number {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-lg);
  flex-shrink: 0;
}

/* ===== Screenshot ===== */
.screenshot {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.screenshot img {
  width: 100%;
  height: auto;
}

.screenshot-placeholder {
  background: var(--color-surface);
  border: 2px dashed var(--color-gray-300);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-500);
  font-size: var(--text-sm);
  min-height: 200px;
  padding: var(--space-6);
  text-align: center;
  line-height: var(--leading-relaxed);
}

/* ===== Integration Logo Grid ===== */
.integration-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-8);
  padding: var(--space-6) 0;
}

.integration-bar img {
  height: 32px;
  opacity: 0.6;
  filter: grayscale(100%);
  transition: all var(--transition-base);
}

.integration-bar img:hover {
  opacity: 1;
  filter: grayscale(0%);
}

.integration-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4);
  text-align: center;
}

.integration-logo span {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  font-weight: 500;
}

/* ===== Pricing Table ===== */
.pricing-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-10);
  border: 1px solid var(--color-gray-200);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
}

.pricing-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  position: relative;
}

.pricing-card.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: var(--color-white);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-price {
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--color-gray-900);
  margin: var(--space-4) 0;
}

.pricing-price span {
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-gray-500);
}

.pricing-features {
  flex: 1;
  margin: var(--space-8) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-gray-600);
}

.pricing-features li::before {
  font-family: 'Font Awesome 6 Pro';
  font-weight: 300;
  content: '\f00c';
  color: var(--color-green);
  flex-shrink: 0;
}

.pricing-features li.disabled {
  color: var(--color-gray-400);
}

.pricing-features li.disabled::before {
  content: '\f068';
  color: var(--color-gray-300);
}

/* ===== FAQ Accordion ===== */
.faq-item {
  border-bottom: 1px solid var(--color-gray-200);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: var(--space-6) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-gray-900);
  cursor: pointer;
  text-align: left;
}

.faq-question::after {
  font-family: 'Font Awesome 6 Pro';
  font-weight: 300;
  content: '\2b';
  font-size: var(--text-lg);
  color: var(--color-gray-400);
  transition: transform var(--transition-fast);
}

.faq-item.open .faq-question::after {
  content: '\f068';
}

.faq-answer {
  display: none;
  padding-bottom: var(--space-6);
  color: var(--color-gray-600);
  line-height: var(--leading-relaxed);
}

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

/* ===== Scroll Animations ===== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Contact Form ===== */
.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: var(--space-2);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  background: var(--color-surface);
  color: var(--color-gray-800);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.input-error {
  border-color: #ef4444;
}

/* ===== Cookie Consent Banner ===== */
#cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-gray-300);
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  z-index: 9999;
  transform: translateY(100%);
  transition: transform var(--transition-base);
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.3);
}

#cookie-banner.visible {
  transform: translateY(0);
}

#cookie-banner p {
  font-size: var(--text-sm);
  color: var(--color-gray-700);
  margin: 0;
}

#cookie-banner a {
  color: var(--color-primary);
  text-decoration: underline;
}

.cookie-banner-buttons {
  display: flex;
  gap: var(--space-3);
  flex-shrink: 0;
}

.cookie-btn {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: opacity var(--transition-fast);
}

.cookie-btn:hover {
  opacity: 0.85;
}

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

.cookie-btn-decline {
  background: transparent;
  color: var(--color-gray-600);
  border: 1px solid var(--color-gray-400);
}

@media (max-width: 640px) {
  #cookie-banner {
    flex-direction: column;
    text-align: center;
    padding: var(--space-4);
  }
}