/* ============================================
   Components — Thest.io
   ============================================ */

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.92rem 1.55rem;
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1;
  border: 1px solid transparent;
  border-radius: 12px;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: var(--color-white);
  box-shadow: 0 10px 24px rgba(22, 146, 74, 0.24);
}

.btn--primary:hover {
  background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(22, 146, 74, 0.3);
}

.btn--primary:active {
  background: linear-gradient(135deg, var(--color-accent-dark) 0%, #136b34 100%);
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(22, 163, 74, 0.2);
}

.btn--primary-dark {
  background: var(--color-white);
  color: var(--color-primary);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.btn--primary-dark:hover {
  background: rgba(255, 255, 255, 0.93);
  color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

.btn--secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-strong);
  backdrop-filter: blur(4px);
}

.btn--secondary:hover {
  background: rgba(22, 163, 74, 0.06);
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn--outline {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-border-strong);
  backdrop-filter: blur(4px);
}

.btn--outline:hover {
  color: var(--color-accent);
  background: rgba(22, 163, 74, 0.1);
  border-color: var(--color-accent);
}

.btn--ghost {
  padding: 0;
  color: var(--color-accent);
  background: transparent;
  border: 0;
  border-radius: 0;
}

.btn--ghost:hover {
  color: var(--color-accent-light);
  filter: none;
}

.btn--ghost svg,
.btn--ghost .arrow {
  transition: transform var(--transition-fast);
}

.btn--ghost:hover svg,
.btn--ghost:hover .arrow {
  transform: translateX(4px);
}

.btn--lg {
  padding: 1.04rem 1.9rem;
  font-size: var(--font-size-base);
}

.btn--sm {
  padding: 0.62rem 1.1rem;
  font-size: var(--font-size-sm);
}

.btn:focus-visible {
  box-shadow: 0 0 0 4px var(--color-ring);
}

/* ---- Cards ---- */
.card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  padding: var(--space-xl);
  box-shadow: var(--shadow-card);
  transition:
    border-color var(--transition-base),
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.card:hover {
  border-color: rgba(22, 163, 74, 0.28);
  box-shadow: var(--shadow-card-hover);
}

@media (hover: hover) {
  .card:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 48px rgba(10, 25, 17, 0.12);
  }
}

.card__icon {
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(22, 163, 74, 0.1);
  border: 1px solid rgba(22, 163, 74, 0.24);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  color: var(--color-accent);
  transition:
    background var(--transition-base),
    box-shadow var(--transition-base);
}

@media (hover: hover) {
  .card:hover .card__icon {
    background: rgba(22, 163, 74, 0.18);
    box-shadow: 0 0 20px rgba(22, 163, 74, 0.15);
  }
}

.card__icon svg {
  width: 28px;
  height: 28px;
}

.card__title {
  font-family: var(--font-family-display);
  font-size: clamp(1.26rem, 1.06rem + 0.8vw, 1.52rem);
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.card__text {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  margin-bottom: var(--space-lg);
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-accent);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.card__link:hover {
  gap: var(--space-sm);
  color: var(--color-accent-light);
}

/* Shared tech tag */
.tech-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.01em;
  white-space: nowrap;
  background: rgba(22, 163, 74, 0.1);
  color: var(--color-accent);
  border: 1px solid var(--color-border);
}

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

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

.form-group label .required {
  color: var(--color-error);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.82rem 0.95rem;
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  border: 1px solid rgba(15, 23, 42, 0.14);
  border-radius: 12px;
  background: var(--color-surface-alt);
  color: var(--color-text);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

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

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-ring);
  background: var(--color-white);
  outline: none;
}

.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: var(--color-error);
}

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

.form-error {
  display: none;
  font-size: var(--font-size-sm);
  color: var(--color-error);
  margin-top: var(--space-xs);
}

.form-group.has-error .form-error {
  display: block;
}

.form-success {
  padding: var(--space-md) var(--space-lg);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-md);
  color: var(--color-success);
  text-align: center;
  font-weight: var(--font-weight-medium);
}

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

.form-error-message {
  padding: var(--space-md) var(--space-lg);
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-md);
  color: var(--color-error);
  text-align: center;
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-lg);
}

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

/* Honeypot */
.form-hp {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
  overflow: hidden;
}

.form-hp input {
  display: none;
}

/* ---- Badges ---- */
.badge {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: var(--radius-full);
  background: rgba(22, 163, 74, 0.1);
  color: var(--color-accent);
}

.badge--primary {
  background: rgba(22, 163, 74, 0.1);
  color: var(--color-accent);
}

/* ---- Divider ---- */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-2xl) 0;
}

/* ---- Cookie Consent ---- */
.cookie-consent {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: var(--color-white);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
  transform: translateY(100%);
  transition: transform .4s ease;
  padding: var(--space-lg);
}

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

.cookie-consent--hidden {
  transform: translateY(100%);
}

.cookie-consent__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
}

.cookie-consent__inner p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

.cookie-consent__actions {
  display: flex;
  gap: var(--space-sm);
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .cookie-consent__inner {
    flex-direction: column;
    text-align: center;
  }
}

/* ---- Business Unit Cards ---- */
.unit-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-card);
  transition:
    border-color var(--transition-base),
    transform var(--transition-base),
    box-shadow var(--transition-base);
  overflow: hidden;
}

.unit-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--unit-gradient, var(--gradient-accent));
  opacity: 0.8;
  transition: opacity var(--transition-base);
}

.unit-card--advisory {
  --unit-color: var(--color-unit-advisory);
  --unit-gradient: var(--gradient-unit-advisory);
  --unit-light: var(--color-unit-advisory-light);
}

.unit-card--engineering {
  --unit-color: var(--color-unit-engineering);
  --unit-gradient: var(--gradient-unit-engineering);
  --unit-light: var(--color-unit-engineering-light);
}

.unit-card--enablement {
  --unit-color: var(--color-unit-enablement);
  --unit-gradient: var(--gradient-unit-enablement);
  --unit-light: var(--color-unit-enablement-light);
}

@media (hover: hover) {
  .unit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--unit-color, var(--color-accent));
  }
  
  .unit-card:hover::before {
    opacity: 1;
  }
}

.unit-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--unit-light, rgba(22, 163, 74, 0.1));
  border: 1px solid var(--unit-color, var(--color-accent));
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  color: var(--unit-color, var(--color-accent));
  transition:
    background var(--transition-base),
    box-shadow var(--transition-base);
}

@media (hover: hover) {
  .unit-card:hover .unit-card__icon {
    background: var(--unit-light, rgba(22, 163, 74, 0.18));
    box-shadow: 0 0 24px var(--unit-light, rgba(22, 163, 74, 0.2));
  }
}

.unit-card__icon svg {
  width: 26px;
  height: 26px;
}

.unit-card__code {
  display: inline-block;
  font-family: var(--font-family-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--unit-color, var(--color-accent));
  background: var(--unit-light, rgba(22, 163, 74, 0.1));
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
}

.unit-card__title {
  font-family: var(--font-family-display);
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.unit-card__text {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  margin-bottom: var(--space-lg);
}

.unit-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--unit-color, var(--color-accent));
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.unit-card__link:hover {
  gap: var(--space-sm);
}

/* ---- Differentiator Cards ---- */
.diff-card {
  position: relative;
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

@media (hover: hover) {
  .diff-card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-card);
  }
}

.diff-card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(22, 163, 74, 0.1);
  border: 1px solid rgba(22, 163, 74, 0.24);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  color: var(--color-accent);
}

.diff-card__icon svg {
  width: 22px;
  height: 22px;
}

.diff-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.diff-card__text {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-base);
}

/* ---- Mobile Sticky CTA ---- */
.mobile-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: var(--space-md);
  z-index: 998;
  display: none;
  justify-content: center;
  pointer-events: none;
  transform: translateY(110%);
  transition: transform var(--transition-base);
}

.mobile-cta--visible {
  transform: translateY(0);
}

.mobile-cta__btn {
  pointer-events: auto;
  box-shadow: var(--shadow-accent);
}

@media (max-width: 1024px) {
  .mobile-cta {
    display: flex;
  }
}

@media (max-width: 480px) {
  .mobile-cta {
    left: var(--space-md);
    right: var(--space-md);
  }

  .mobile-cta__btn {
    width: 100%;
  }
}