/* ==========================================================================
   Component Styles — VEX Editor
   ========================================================================== */

/* ---- Landing Page ---- */
.hero {
  padding-block: var(--space-3xl) var(--space-2xl);
  text-align: center;
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
}

.hero__subtitle {
  font-size: var(--text-xl);
  color: var(--color-text);
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--space-xl);
}

.hero__actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ---- Format Grid ---- */
.format-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.format-grid__item {
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
}

.format-grid__name {
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--color-heading);
  margin-bottom: var(--space-xs);
}

.format-grid__versions {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

@media (max-width: 767px) {
  .format-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---- Steps ---- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  counter-reset: step;
}

.step {
  text-align: center;
  counter-increment: step;
}

.step::before {
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  margin: 0 auto var(--space-md);
  background: var(--color-accent);
  color: #FFFFFF;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  border-radius: var(--radius-full);
}

.step__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: var(--space-sm);
}

@media (max-width: 767px) {
  .steps {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

/* ---- Trust Signals ---- */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.trust-grid__item {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.trust-grid__icon {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  color: #FFFFFF;
  border-radius: var(--radius-md);
  font-size: var(--text-lg);
}

.trust-grid__title {
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: var(--space-xs);
}

@media (max-width: 767px) {
  .trust-grid {
    grid-template-columns: 1fr;
  }
}

/* ---- Section Headers ---- */
.section__header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section__title {
  margin-bottom: var(--space-sm);
}

.section__desc {
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  max-width: 600px;
  margin-inline: auto;
}

/* ---- Footer ---- */
.footer {
  padding-block: var(--space-2xl);
  border-top: 1px solid var(--color-divider);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  text-decoration: none;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer__brand:hover {
  color: var(--color-heading);
}

.footer__brand svg {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.footer__brand-text {
  line-height: 1.4;
}

.footer__brand-name {
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-heading);
  display: block;
}

.footer__brand-desc {
  font-size: var(--text-xs);
}

.footer__right {
  text-align: right;
  flex-shrink: 0;
}

.footer__right p {
  margin: 0;
}

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

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

@media (max-width: 767px) {
  .footer__inner {
    flex-direction: column;
    text-align: center;
    gap: var(--space-md);
  }
  .footer__right {
    text-align: center;
  }
}

/* ---- Built by Regusoft section (landing page) ---- */
.built-by {
  padding-block: var(--space-2xl) var(--space-xl);
  text-align: center;
}

.built-by__inner {
  max-width: 540px;
  margin: 0 auto;
}

.built-by__label {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.built-by__logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  margin-bottom: var(--space-md);
}

.built-by__logo svg {
  width: 32px;
  height: 32px;
}

.built-by__logo-text {
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: var(--text-xl);
  color: var(--color-heading);
}

.built-by__logo:hover .built-by__logo-text {
  color: var(--color-accent);
}

.built-by__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.built-by__link {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
}

.built-by__link:hover {
  text-decoration: underline;
}

/* ---- Editor Layout ---- */
.editor-layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  min-height: calc(100vh - var(--header-height));
}

.editor-sidebar {
  border-right: 1px solid var(--color-divider);
  background: var(--color-surface);
  overflow-y: auto;
  height: calc(100vh - var(--header-height));
  position: sticky;
  top: var(--header-height);
}

.editor-main {
  padding: var(--space-xl) var(--space-2xl);
  overflow-y: auto;
}

@media (max-width: 1023px) {
  .editor-layout {
    grid-template-columns: 1fr;
  }

  .editor-sidebar {
    position: static;
    height: auto;
    max-height: 40vh;
    border-right: none;
    border-bottom: 1px solid var(--color-divider);
  }
}

@media (max-width: 767px) {
  .editor-main {
    padding: var(--space-md);
  }
}

/* ---- Upload Zone ---- */
.upload-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  max-width: 600px;
  margin: var(--space-3xl) auto;
  padding: var(--space-3xl);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition-fast),
              background-color var(--transition-fast);
}

.upload-zone:hover,
.upload-zone--dragover {
  border-color: var(--color-accent);
  background: var(--color-status-fixed-bg);
}

.upload-zone__icon {
  font-size: 3rem;
  margin-bottom: var(--space-lg);
  color: var(--color-accent);
}

.upload-zone__title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: var(--space-sm);
}

.upload-zone__hint {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* ---- Security Page ---- */
.security-section {
  margin-bottom: var(--space-2xl);
}

.security-section__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

.data-flow {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  padding: var(--space-lg);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
}

.data-flow__step {
  padding: var(--space-sm) var(--space-md);
  background: var(--color-surface-alt);
  border-radius: var(--radius-md);
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 500;
}

.data-flow__arrow {
  color: var(--color-accent);
  font-weight: 700;
}

.network-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-ui);
  font-size: var(--text-sm);
}

.network-table th,
.network-table td {
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--color-divider);
}

.network-table th {
  font-weight: 600;
  color: var(--color-heading);
  background: var(--color-surface-alt);
}

.network-table code {
  font-size: var(--text-xs);
}

/* ---- Empty / Placeholder States ---- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-3xl);
  text-align: center;
  color: var(--color-text-muted);
}

.empty-state__icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
  opacity: 0.5;
}

/* ---- Animations ---- */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

.animate-fade-in {
  animation: fadeIn var(--transition-normal) ease-out;
}

.animate-slide-up {
  animation: slideUp var(--transition-slow) ease-out;
}