/* ============================================================
   COMPONENTS — Reusable UI elements
   ============================================================ */

/* ─── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.875rem var(--space-8);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  line-height: 1;
  transition: all var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.08);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

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

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

/* Primary button */
.btn-primary {
  background: var(--accent);
  color: var(--text-inverse);
  border-color: var(--accent);
  box-shadow: 0 0 0 0 var(--accent-glow-lg);
}

.btn-primary:hover {
  background: var(--accent-bright);
  border-color: var(--accent-bright);
  box-shadow: 0 4px 24px var(--accent-glow-lg);
  transform: translateY(-1px);
}

/* Secondary button */
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-secondary:hover {
  border-color: var(--border-gold);
  color: var(--accent);
  transform: translateY(-1px);
}

/* Ghost button (text-like) */
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: transparent;
  padding-inline: var(--space-4);
}

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

.btn-ghost::after {
  display: none;
}

/* Size variants */
.btn-sm {
  padding: 0.625rem var(--space-5);
  font-size: var(--text-sm);
}

.btn-lg {
  padding: 1.125rem var(--space-10);
  font-size: var(--text-lg);
}

/* ─── Navigation ───────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  height: var(--nav-height);
  transition: background var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
  border-bottom: 1px solid transparent;
}

.nav--scrolled {
  background: rgba(9,9,14,0.88);
  border-bottom-color: var(--border-subtle);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.nav__inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: var(--space-8);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.nav__logo-mark {
  flex-shrink: 0;
}

.nav__logo-text {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.nav__logo-text span {
  color: var(--accent);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-left: auto;
}

.nav__link {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.nav__link:hover,
.nav__link.active {
  color: var(--text-primary);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-left: var(--space-4);
  flex-shrink: 0;
}

/* Language toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: border-color var(--transition-fast);
  gap: 2px;
}

.lang-toggle:hover,
.lang-toggle:focus-visible {
  border-color: var(--border-gold);
  outline: none;
}

.lang-toggle__option {
  padding: 0.25rem 0.5rem;
  border-radius: 20px;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.04em;
  color: var(--text-muted);
  transition: all var(--transition-fast);
  line-height: 1;
}

.lang-toggle__option.active {
  background: var(--accent);
  color: var(--text-inverse);
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: var(--space-2);
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  cursor: pointer;
  margin-left: auto;
}

.nav__hamburger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}

.nav__hamburger.open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.nav__hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav__hamburger.open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--nav-height);
  z-index: calc(var(--z-nav) - 1);
  background: rgba(9,9,14,0.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: var(--space-8) var(--container-pad);
  flex-direction: column;
  gap: var(--space-2);
  transform: translateY(-8px);
  opacity: 0;
  transition: all var(--transition-base);
  pointer-events: none;
}

.mobile-menu.open {
  display: flex;
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.mobile-menu__link {
  display: block;
  padding: var(--space-4) var(--space-4);
  font-size: var(--text-lg);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
  transition: color var(--transition-fast);
}

.mobile-menu__link:hover {
  color: var(--text-primary);
}

.mobile-menu__cta {
  margin-top: var(--space-6);
}

.mobile-menu__lang {
  margin-top: var(--space-4);
}

/* ─── Cards ────────────────────────────────────────────────── */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  position: relative;
  transition: border-color var(--transition-base), background var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 40% at 50% 0%, var(--accent-glow), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.card:hover {
  border-color: var(--border-gold);
  background: var(--bg-elevated);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card), 0 0 40px var(--accent-glow);
}

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

/* ─── Service card icon ────────────────────────────────────── */
.service-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--accent-glow);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
  transition: background var(--transition-base), transform var(--transition-base);
}

.card:hover .service-card__icon {
  background: var(--accent-glow-md);
  transform: scale(1.05);
}

.service-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-3);
  line-height: var(--leading-snug);
}

.service-card__desc {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* ─── Stat display ─────────────────────────────────────────── */
.stat {
  text-align: center;
}

.stat__value {
  font-family: var(--font-display);
  font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
  background: linear-gradient(135deg, var(--text-primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat__label {
  font-size: var(--text-base);
  color: var(--text-secondary);
  font-weight: var(--weight-medium);
}

/* ─── Testimonial card ─────────────────────────────────────── */
.testimonial-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  position: relative;
}

.testimonial-card::before {
  content: '\201C';
  font-family: var(--font-display);
  font-size: 5rem;
  line-height: 1;
  color: var(--accent-dim);
  position: absolute;
  top: var(--space-4);
  left: var(--space-6);
  opacity: 0.6;
}

.testimonial-card__quote {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--text-primary);
  padding-top: var(--space-8);
  position: relative;
  z-index: 1;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-top: auto;
}

.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-glow-md);
  border: 1px solid var(--border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--accent);
  flex-shrink: 0;
}

.testimonial-card__name {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  line-height: 1.3;
}

.testimonial-card__role {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-top: 2px;
}

/* ─── FAQ item ─────────────────────────────────────────────── */
.faq-item {
  border-bottom: 1px solid var(--border-subtle);
}

.faq-item:first-child {
  border-top: 1px solid var(--border-subtle);
}

.faq-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  width: 100%;
  padding: var(--space-6) 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: var(--weight-medium);
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.faq-trigger:hover {
  color: var(--accent);
}

.faq-trigger__icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

.faq-trigger__icon svg {
  transition: transform var(--transition-base);
}

.faq-item.open .faq-trigger__icon {
  background: var(--accent-glow);
  border-color: var(--border-gold);
}

.faq-item.open .faq-trigger__icon svg {
  transform: rotate(45deg);
}

.faq-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--transition-slow), padding var(--transition-base);
}

.faq-item.open .faq-answer {
  max-height: 400px;
}

.faq-answer__inner {
  padding-bottom: var(--space-6);
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 680px;
}

/* ─── Form elements ────────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.875rem var(--space-4);
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--text-base);
  font-family: var(--font-body);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  min-height: 48px;
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
  line-height: var(--leading-relaxed);
}

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

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

.form-input:focus-visible,
.form-textarea:focus-visible {
  outline: none;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.form-privacy {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.form-privacy svg {
  flex-shrink: 0;
  color: var(--accent);
}

.form-success {
  text-align: center;
  padding: var(--space-12) var(--space-8);
  font-size: var(--text-lg);
  color: var(--success);
  font-weight: var(--weight-medium);
}

/* ─── Process step ─────────────────────────────────────────── */
.process-step {
  position: relative;
  display: flex;
  gap: var(--space-8);
}

.process-step__num {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.process-step__num-badge {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--accent);
  position: relative;
  z-index: 1;
}

.process-step__connector {
  width: 1px;
  flex: 1;
  min-height: 40px;
  background: linear-gradient(to bottom, var(--border-gold), transparent);
  margin-top: var(--space-2);
}

.process-step:last-child .process-step__connector {
  display: none;
}

.process-step__content {
  padding-bottom: var(--space-12);
  flex: 1;
}

.process-step:last-child .process-step__content {
  padding-bottom: 0;
}

.process-step__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-3);
  margin-top: var(--space-3);
}

.process-step__desc {
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 480px;
}

/* ─── Benefit item ─────────────────────────────────────────── */
.benefit-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  transition: border-color var(--transition-base), background var(--transition-base);
}

.benefit-item:hover {
  border-color: var(--border-gold);
  background: var(--bg-elevated);
}

.benefit-item__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--accent-glow);
  border: 1px solid var(--border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
}

.benefit-item__title {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

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

/* ─── Contact info item ────────────────────────────────────── */
.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.contact-info-item__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: var(--accent-glow);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.contact-info-item__label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: var(--space-1);
}

.contact-info-item__value {
  font-size: var(--text-base);
  color: var(--text-primary);
  font-weight: var(--weight-medium);
  transition: color var(--transition-fast);
}

a.contact-info-item__value:hover {
  color: var(--accent);
}

@media (max-width: 768px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}