/**
 * AlgorivaTech — Reusable components
 */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.02em;
  border-radius: 0.5rem;
  transition: transform var(--duration-fast) var(--ease-out-expo),
              background-color var(--duration-normal) var(--ease-out-expo),
              box-shadow var(--duration-normal) var(--ease-out-expo),
              color var(--duration-fast) var(--ease-out-expo);
}

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

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

.btn-primary:hover {
  background: var(--color-accent-hover);
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  background: var(--color-surface-elevated);
  color: var(--color-text);
  border: 1px solid var(--color-border-strong);
}

.btn-secondary:hover {
  background: var(--color-surface);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-ghost {
  color: var(--color-text-muted);
}

.btn-ghost:hover {
  color: var(--color-accent);
}

/* Glass card */
.card-glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 1rem;
  padding: var(--space-block);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color var(--duration-normal) var(--ease-out-expo),
              box-shadow var(--duration-normal) var(--ease-out-expo),
              transform var(--duration-normal) var(--ease-out-expo);
}

.card-glass:hover {
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow-card);
}

/* Service / feature card */
.card-service {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 1rem;
  padding: var(--space-block);
  transition: border-color var(--duration-normal) var(--ease-out-expo),
              transform var(--duration-normal) var(--ease-out-expo),
              box-shadow var(--duration-normal) var(--ease-out-expo);
}

.card-service:hover {
  border-color: var(--color-accent-muted);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.card-service .card-icon {
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-muted);
  border-radius: 0.75rem;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
  font-size: 1.25rem;
}

.card-service .card-icon .card-icon-svg,
.card-service .card-icon svg {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
}

.card-service .link-accent {
  display: inline-block;
  margin-top: 1rem;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-accent);
  transition: transform var(--duration-fast) var(--ease-out-expo);
}

.card-service:hover .link-accent {
  transform: translateX(4px);
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 28rem;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: 0.5rem;
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-subtle);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-muted);
}

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

.form-status {
  font-size: var(--text-sm);
  padding: 0.5rem 0;
}

.form-status--success {
  color: var(--color-accent);
}

.form-status--error {
  color: #f87171;
}

/* Badge / label */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-muted);
  border-radius: 9999px;
}

/* Section heading block */
.section-head {
  margin-bottom: var(--space-block);
  max-width: 40rem;
}

.section-head .badge {
  margin-bottom: 1rem;
}

.section-head h2 {
  margin-bottom: 0.75rem;
}

.section-head p {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-inline);
  padding-right: var(--space-inline);
}

.container-narrow {
  max-width: var(--container-narrow);
}

/* Grid */
.grid {
  display: grid;
  gap: var(--space-block);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid-4,
  .grid-3,
  .grid-2 { grid-template-columns: 1fr; }
}