/* ============================================
   Components — Buttons, Cards, Heroes, CTAs
   ============================================ */

/* --- Buttons --- */

.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.5;
  border: 2px solid transparent;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  text-align: center;
}

.btn--primary {
  background: var(--teal);
  color: var(--text-on-teal);
  border-color: var(--teal);
}

.btn--primary:hover {
  background: var(--teal-dark);
  border-color: var(--teal-dark);
  color: var(--text-on-teal);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn--secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
  color: var(--white);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.55);
}

.btn--outline:hover {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--text-on-teal);
}

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

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

.btn--lg {
  padding: 1rem 2.25rem;
  font-size: var(--text-base);
}

.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--text-xs);
}

/* --- Hero --- */

.hero {
  position: relative;
  padding: var(--space-5xl) 0;
  background: linear-gradient(135deg, var(--dark-charcoal) 0%, var(--near-black) 100%);
  color: var(--white);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(61, 212, 196, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(58, 80, 96, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero--centered .hero__content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero__eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--teal);
  margin-bottom: var(--space-lg);
}

.hero__title {
  color: var(--white);
  margin-bottom: var(--space-lg);
}

.hero__title span {
  color: var(--teal);
}

.hero__subtitle {
  font-size: var(--text-xl);
  color: var(--text-on-dark);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-2xl);
  opacity: 0.85;
}

.hero__actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero--centered .hero__actions {
  justify-content: center;
}

/* Hero — Page variant (smaller) */
.hero--page {
  padding: var(--space-3xl) 0;
}

.hero--page .hero__title {
  font-size: var(--text-4xl);
}

/* --- Feature Cards --- */

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
}

.feature-card {
  padding: var(--space-2xl);
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.feature-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: var(--space-lg);
  background: rgba(61, 212, 196, 0.1);
  color: var(--teal-dark);
}

.feature-card__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-sm);
}

.feature-card__text {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

/* 2-column variant */
.features-grid--2col {
  grid-template-columns: repeat(2, 1fr);
}

/* --- Product Card --- */

.product-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-3xl);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-2xl);
  align-items: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.product-card__eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--teal-dark);
  margin-bottom: var(--space-sm);
}

.product-card__name {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  margin-bottom: var(--space-md);
}

.product-card__text {
  color: var(--text-secondary);
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-xl);
}

/* --- Team Cards --- */

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
}

.team-card {
  text-align: center;
  padding: var(--space-2xl);
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
}

.team-card__avatar {
  width: 160px;
  height: 160px;
  border-radius: var(--radius-full);
  background: var(--slate-accent);
  margin: 0 auto var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-3xl);
  color: var(--teal);
  border: 2px solid var(--border-light);
}

.team-card__name {
  font-size: var(--text-xl);
  margin-bottom: var(--space-xs);
}

.team-card__role {
  font-size: var(--text-sm);
  color: var(--teal-dark);
  font-weight: 500;
  margin-bottom: var(--space-md);
}

.team-card__bio {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* --- CTA Banner --- */

.cta-banner {
  position: relative;
  padding: var(--space-4xl) 0;
  background: linear-gradient(135deg, var(--slate-accent) 0%, var(--dark-charcoal) 100%);
  color: var(--white);
  text-align: center;
  overflow: hidden;
}

.cta-banner::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(61, 212, 196, 0.1) 0%, transparent 60%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-banner h2 {
  color: var(--white);
  margin-bottom: var(--space-md);
}

.cta-banner p {
  font-size: var(--text-lg);
  opacity: 0.9;
  margin-bottom: var(--space-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner .btn {
  position: relative;
  z-index: 1;
}

/* --- Contact Form --- */

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--white);
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(61, 212, 196, 0.15);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.form-required {
  color: var(--teal-dark);
  font-weight: 400;
}

.form-error {
  display: block;
  font-size: var(--text-xs);
  font-style: italic;
  color: #C53030;
  margin-top: var(--space-xs);
  min-height: 1.2em;
  visibility: hidden;
}

.form-error:not(:empty) {
  visibility: visible;
}

.form-group--error input,
.form-group--error textarea {
  border-color: #C53030;
}

/* --- Responsive Components --- */

@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  .features-grid,
  .features-grid--2col {
    grid-template-columns: 1fr;
  }

  .team-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }

  .hero {
    padding: var(--space-4xl) 0;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    text-align: center;
  }

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