/* ========================================
   COMPONENTS — NAVBAR, FOOTER, CARDS, BUTTONS, FORM
   ======================================== */

/* -------- NAVBAR -------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  height: var(--navbar-height);
  display: flex;
  align-items: center;
  padding: 0 var(--space-5);
  transition: background var(--transition-normal), border-color var(--transition-normal), backdrop-filter var(--transition-normal);
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  background: rgba(17, 17, 17, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-color: var(--color-border);
}

.navbar-inner {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.navbar-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.navbar-logo img,
.navbar-logo-img {
  height: 38px;
  width: auto;
  display: block;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.navbar-nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  position: relative;
  transition: color var(--transition-fast);
}

.navbar-nav a::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: var(--space-3);
  right: var(--space-3);
  height: 1px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.navbar-nav a:hover,
.navbar-nav a.active {
  color: var(--color-text);
}

.navbar-nav a:hover::after,
.navbar-nav a.active::after {
  transform: scaleX(1);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* Lang Toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 3px;
}

.lang-btn {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  cursor: pointer;
  background: none;
  border: none;
}

.lang-btn.active {
  background: var(--color-gold);
  color: var(--color-bg);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: var(--radius-full);
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav Drawer */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--navbar-height);
  right: 0;
  bottom: 0;
  width: min(320px, 85vw);
  background: var(--color-surface);
  border-left: 1px solid var(--color-border);
  z-index: var(--z-overlay);
  padding: var(--space-5);
  flex-direction: column;
  gap: var(--space-2);
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  overflow-y: auto;
}

.mobile-nav.open {
  transform: translateX(0);
}

.mobile-nav a {
  display: block;
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text-muted);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.mobile-nav a:hover,
.mobile-nav a.active {
  color: var(--color-text);
  background: var(--color-surface-2);
}

.mobile-nav-lang {
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: calc(var(--z-overlay) - 1);
  backdrop-filter: blur(2px);
}

.mobile-overlay.open {
  display: block;
}

@media (max-width: 1024px) {
  .navbar-nav {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .mobile-nav {
    display: flex;
  }
}

@media (max-width: 640px) {
  .navbar {
    padding: 0 var(--space-4);
  }
}

/* -------- FOOTER -------- */
.footer {
  background: var(--color-surface);
  border-top: 1px solid transparent;
  background-image: linear-gradient(to right, var(--color-gold), transparent 60%);
  background-size: 100% 1px;
  background-repeat: no-repeat;
  background-position: top;
  padding: var(--space-7) 0 var(--space-5);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-6);
  align-items: start;
  margin-bottom: var(--space-6);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-logo {
  height: 28px;
  width: auto;
}

.footer-logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
  font-weight: 700;
}

.footer-tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-style: italic;
}

.footer-links {
  display: flex;
  gap: var(--space-6);
}

.footer-links-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-links-title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-gold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-1);
}

.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-text);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer-copy {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.footer-social {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  color: var(--color-gold);
  border-color: var(--color-gold);
  background: var(--color-gold-muted);
}

.footer-social svg {
  width: 16px;
  height: 16px;
}

@media (max-width: 768px) {
  .footer-inner {
    grid-template-columns: 1fr;
  }
  .footer-links {
    flex-wrap: wrap;
    gap: var(--space-4);
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* -------- BUTTONS -------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  border: 1px solid transparent;
  letter-spacing: 0.01em;
}

.btn:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--color-gold);
  color: var(--color-bg);
  border-color: var(--color-gold);
}

.btn-primary:hover {
  background: var(--color-gold-hover);
  border-color: var(--color-gold-hover);
  box-shadow: var(--shadow-gold);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-ghost:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  background: var(--color-gold-muted);
  transform: translateY(-1px);
}

.btn-ghost:active {
  transform: translateY(0);
}

.btn-icon {
  padding: 10px;
  border-radius: var(--radius-md);
}

.btn-sm {
  font-size: var(--text-xs);
  padding: 8px 16px;
}

.btn-lg {
  font-size: var(--text-base);
  padding: 14px 32px;
}

/* -------- PROJECT CARD -------- */
.project-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-gold);
  box-shadow: var(--shadow-gold);
}

.project-card-image {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--color-surface-2);
}

.project-card-image .placeholder-img {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-2);
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

.project-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-card-image img {
  transform: scale(1.04);
}

.project-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0);
  transition: background var(--transition-normal);
}

.project-card:hover .project-card-overlay {
  background: rgba(0, 0, 0, 0.3);
}

.project-card-body {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}

.project-card-category {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-gold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project-card-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text);
  line-height: 1.3;
}

.project-card-description {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-card-stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.stack-chip {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

.project-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}

.project-card-year {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.project-card-cta {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gold);
  transition: gap var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.project-card-cta:hover {
  gap: var(--space-2);
}

/* -------- SKILL BADGE -------- */
.skill-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.skill-badge:hover {
  border-color: var(--color-gold);
  background: var(--color-gold-muted);
  color: var(--color-text);
}

.skill-badge img {
  width: 18px;
  height: 18px;
}

/* -------- SKILL GROUP CARD -------- */
.skill-group {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.skill-group-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.skill-group-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gold-muted);
  border-radius: var(--radius-md);
  color: var(--color-gold);
}

.skill-group-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
}

.skill-group-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* -------- DOWNLOAD CARD -------- */
.download-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  transition: all var(--transition-normal);
}

.download-card:hover {
  border-color: var(--color-gold);
  box-shadow: var(--shadow-gold);
}

.download-card-icon {
  width: 48px;
  height: 48px;
  background: var(--color-gold-muted);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-gold);
}

.download-card-icon svg {
  width: 24px;
  height: 24px;
}

.download-card-info {
  flex: 1;
  min-width: 0;
}

.download-card-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.download-card-meta {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-family: var(--font-mono);
}

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

.form-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}

.form-input,
.form-textarea {
  width: 100%;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  color: var(--color-text);
  font-size: var(--text-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

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

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

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

.form-feedback {
  margin-top: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  display: none;
}

.form-feedback.success {
  display: block;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: var(--color-success);
}

.form-feedback.error {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--color-error);
}

/* -------- CONTACT INFO CARD -------- */
.contact-info-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}

.contact-info-item:hover {
  border-color: var(--color-gold);
}

.contact-info-icon {
  width: 40px;
  height: 40px;
  background: var(--color-gold-muted);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
  flex-shrink: 0;
}

.contact-info-icon svg {
  width: 18px;
  height: 18px;
}

.contact-info-label {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 2px;
}

.contact-info-value {
  font-size: var(--text-sm);
  color: var(--color-text);
  font-weight: 500;
}

/* -------- AVAILABILITY BADGE -------- */
.availability-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-success);
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
}

.availability-dot {
  width: 8px;
  height: 8px;
  background: var(--color-success);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.6; transform: scale(0.85); }
}

/* -------- TIMELINE -------- */
.timeline {
  position: relative;
  padding-left: var(--space-6);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-gold), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-6);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-6) - 5px);
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--color-gold);
  border-radius: 50%;
  border: 2px solid var(--color-bg);
}

.timeline-year {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-gold);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-1);
}

.timeline-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.timeline-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* -------- FILTER BAR -------- */
.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--color-gold);
  color: var(--color-text);
}

.filter-btn.active {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-bg);
}

/* -------- STAT CARD -------- */
.stat-card {
  text-align: center;
  padding: var(--space-4);
}

.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

/* -------- SERVICE PILL -------- */
.service-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
}

.service-pill:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.service-pill-dot {
  width: 6px;
  height: 6px;
  background: var(--color-gold);
  border-radius: 50%;
}

/* -------- PAGE HERO -------- */
.page-hero {
  padding-top: calc(var(--navbar-height) + var(--space-8));
  padding-bottom: var(--space-7);
  border-bottom: 1px solid var(--color-border);
}

.page-hero-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-gold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.page-hero-title {
  font-family: var(--font-display);
  font-size: var(--text-6xl);
  color: var(--color-text);
  line-height: 1.1;
  margin-bottom: var(--space-4);
}

.page-hero-desc {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 640px;
  line-height: 1.7;
}

@media (max-width: 768px) {
  .page-hero-title {
    font-size: var(--text-4xl);
  }
}

/* -------- SPINNER -------- */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}