/* ============================================
   COMPONENTS
   ============================================ */

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.875rem 2rem;
  font-weight: var(--fw-semibold);
  font-size: var(--fs-body);
  line-height: 1;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), rgba(255,255,255,0));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before {
  opacity: 1;
}

.btn-primary {
  background: var(--gradient-accent);
  color: var(--color-white);
  box-shadow: 0 4px 15px rgba(0, 180, 216, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 180, 216, 0.4);
  color: var(--color-white);
}

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  background: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-2px);
}

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

.btn-dark:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
  color: var(--color-white);
}

.btn-sm {
  padding: 0.625rem 1.25rem;
  font-size: var(--fs-small);
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: var(--fs-body-lg);
}

.btn-icon {
  width: 48px;
  height: 48px;
  padding: 0;
  border-radius: var(--radius-full);
}

/* ── Cards ── */
.card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-slow);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.card:hover::before {
  transform: scaleX(1);
}

/* Glass Card */
.card-glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  transition: all var(--transition-slow);
}

.card-glass:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}

/* ── Card Icon ── */
.card-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  background: linear-gradient(135deg, rgba(0, 180, 216, 0.1), rgba(0, 201, 167, 0.1));
  color: var(--color-accent);
  font-size: 1.75rem;
  transition: all var(--transition-base);
}

.card:hover .card-icon,
.card-glass:hover .card-icon {
  background: var(--gradient-accent);
  color: var(--color-white);
  transform: scale(1.05);
}

.card-icon-dark {
  background: rgba(0, 180, 216, 0.15);
}

.card-glass:hover .card-icon-dark {
  background: var(--gradient-accent);
  color: var(--color-white);
}

.card-title {
  font-size: var(--fs-h4);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-sm);
}

.card-text {
  font-size: var(--fs-body);
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-md);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-small);
  color: var(--color-accent);
  transition: all var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
}

.card-link:hover {
  gap: var(--space-sm);
  color: var(--color-accent-hover);
}

.card-link svg,
.card-link .arrow {
  transition: transform var(--transition-fast);
}

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

/* ── Badges ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  padding: 0.375rem 0.875rem;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  border-radius: var(--radius-full);
  border: 1px solid rgba(0, 180, 216, 0.3);
  color: var(--color-accent);
  background: rgba(0, 180, 216, 0.08);
}

.badge-light {
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--color-accent);
  background: rgba(0, 180, 216, 0.1);
}

/* ── Section Headers ── */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-3xl);
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  padding: 0.375rem 1rem;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  border-radius: var(--radius-full);
  border: 1px solid rgba(0, 180, 216, 0.3);
  color: var(--color-accent);
  background: rgba(0, 180, 216, 0.06);
  margin-bottom: var(--space-lg);
}

.section-title {
  font-size: var(--fs-h2);
  font-weight: var(--fw-bold);
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

.section-title-light {
  color: var(--color-white);
}

.section-subtitle {
  font-size: var(--fs-body-lg);
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
}

.section-subtitle-light {
  color: var(--color-text-light);
}

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

.form-label {
  display: block;
  font-size: var(--fs-label);
  font-weight: var(--fw-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
}

.form-label-light {
  color: var(--color-text-on-dark);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.875rem 1.25rem;
  font-size: var(--fs-body);
  background: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

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

/* Dark form fields */
.form-input-dark,
.form-textarea-dark {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
}

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

.form-input-dark:focus,
.form-textarea-dark:focus {
  border-color: var(--color-accent);
  background: rgba(255, 255, 255, 0.08);
}

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

/* ── Stats ── */
.stat-item {
  text-align: center;
}

.stat-number {
  font-family: var(--font-accent);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--fw-bold);
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: var(--fs-small);
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
  font-weight: var(--fw-medium);
}

/* ── Divider ── */
.divider {
  width: 60px;
  height: 3px;
  background: var(--gradient-accent);
  border-radius: var(--radius-full);
  margin: var(--space-lg) auto;
}

/* ── Tooltip ── */
.tooltip {
  position: relative;
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  padding: 0.5rem 0.75rem;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: var(--fs-xs);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.tooltip:hover::after {
  opacity: 1;
}

/* ── Technology Logos ── */
.tech-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-2xl);
}

.tech-logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-body-lg);
  color: var(--color-text-light);
  opacity: 0.6;
  transition: all var(--transition-base);
}

.tech-logo:hover {
  opacity: 1;
  color: var(--color-accent);
}

/* ── Breadcrumbs ── */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--fs-small);
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
}

.breadcrumbs a {
  color: var(--color-text-light);
  transition: color var(--transition-fast);
}

.breadcrumbs a:hover {
  color: var(--color-accent);
}

.breadcrumbs .separator {
  color: var(--color-text-light);
  opacity: 0.5;
}

/* ── Feature List ── */
.feature-list {
  list-style: none;
  padding: 0;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  font-size: var(--fs-body);
  color: var(--color-text-secondary);
}

.feature-list li .check-icon {
  color: var(--color-success);
  font-size: 1.25rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ── Process Steps ── */
.process-step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xl);
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--color-border);
}

.process-step:last-child {
  border-bottom: none;
}

.step-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-accent);
  font-size: var(--fs-h4);
  font-weight: var(--fw-bold);
  background: var(--gradient-accent);
  color: var(--color-white);
}

/* ── Language Switcher ── */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 2px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-full);
  padding: 3px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.lang-btn {
  padding: 0.375rem 0.75rem;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--color-text-light);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
  cursor: pointer;
  border: none;
  background: none;
}

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

.lang-btn.active {
  background: var(--color-accent);
  color: var(--color-white);
}

/* ── Scroll indicator ── */
.scroll-indicator {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--gradient-accent);
  z-index: var(--z-toast);
  transition: width 100ms linear;
}