/* ============================================
   Cloud Pratica — Components
   ============================================ */

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--gradient-cta);
  color: white;
  box-shadow: var(--shadow-md), 0 0 20px rgba(107, 163, 247, 0.2);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 0 40px rgba(107, 163, 247, 0.3);
  color: white;
}

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

.btn--outline {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-border-accent);
}

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

.btn--ghost {
  background: transparent;
  color: var(--color-text-secondary);
  padding: var(--space-2) var(--space-4);
}

.btn--ghost:hover {
  color: var(--color-text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.btn--lg {
  padding: var(--space-4) var(--space-10);
  font-size: var(--text-lg);
  border-radius: var(--radius-xl);
}

.btn--sm {
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
}

.btn__icon {
  width: 20px;
  height: 20px;
}

/* ── Cards ── */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

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

.card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-glow);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
  color: var(--color-accent);
  font-size: var(--text-2xl);
}

.card__title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-3);
}

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

.card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.card__meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.card__link-icon {
  position: absolute;
  top: 12px;
  right: 12px;
  left: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-md);
  background: rgba(107, 163, 247, 0.1);
  color: #6BA3F7;
  opacity: 0.5;
  transition: opacity var(--transition-base), background var(--transition-base);
  z-index: 3;
}

.course-card:hover .card__link-icon {
  opacity: 1;
  background: rgba(107, 163, 247, 0.2);
}

/* ── Course Card (specific) ── */
.course-card {
  cursor: pointer;
  text-decoration: none;
  display: block;
  color: inherit;
}

.course-card .card__badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: var(--color-accent-glow);
  color: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

/* ── Course Card Tags ── */
.card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: var(--space-3);
}

.card__tag {
  display: inline-block;
  padding: 2px 10px;
  font-size: 0.7rem;
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  white-space: nowrap;
  letter-spacing: 0.01em;
  line-height: 1.6;
}

/* ── Grid ── */
.grid {
  display: grid;
  gap: var(--space-8);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }

  table, tbody, tr, th, td {
    display: block;
    width: 100%;
  }

  tr {
    border-bottom: 1px solid var(--color-border);
  }

  tr:last-child {
    border-bottom: none;
  }

  th {
    width: 100% !important;
    white-space: normal;
    padding: var(--space-3) var(--space-4);
    border-bottom: none;
    background: rgba(255, 255, 255, 0.06);
  }

  td {
    padding: var(--space-3) var(--space-4) var(--space-5);
    border-bottom: none;
  }
}

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

.stat__number {
  font-size: var(--text-5xl);
  font-weight: var(--weight-extrabold);
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-2);
}

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

.stat__suffix {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-2);
  letter-spacing: 0.02em;
}

/* ── Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-full);
  background: var(--color-accent-glow);
  color: var(--color-accent);
  border: 1px solid rgba(107, 163, 247, 0.2);
}

/* ── Tag / Tech Tag ── */
.tech-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: var(--weight-medium);
  transition: all var(--transition-fast);
}

.tech-tag:hover {
  border-color: var(--color-border-hover);
  color: var(--color-text-primary);
  background: var(--color-accent-glow);
}

/* ── Accordion ── */
.accordion {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.accordion__item {
  border-bottom: 1px solid var(--color-border);
}

.accordion__item:last-child {
  border-bottom: none;
}

.accordion__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-4) var(--space-6);
  background: transparent;
  border: none;
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  cursor: pointer;
  transition: background var(--transition-fast);
  text-align: left;
}

.accordion__header:hover {
  background: rgba(255, 255, 255, 0.03);
}

.accordion__icon {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-base);
  flex-shrink: 0;
  color: var(--color-text-muted);
}

.accordion__item.active .accordion__icon {
  transform: rotate(180deg);
}

.accordion__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.accordion__content {
  padding: 0 var(--space-6) var(--space-4);
}

.accordion__task {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.accordion__task-number {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  min-width: 28px;
  flex-shrink: 0;
  padding-top: 2px;
}

/* ── Table ── */
.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: var(--space-4) var(--space-6);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

th {
  background: rgba(255, 255, 255, 0.03);
  font-weight: var(--weight-semibold);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  width: 160px;
  white-space: nowrap;
}

td {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  word-break: break-word;
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* ── Header ── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  padding: var(--space-4) 0;
  border-bottom: 1px solid transparent;
  transition: background var(--transition-base), padding var(--transition-base), border-color var(--transition-base), backdrop-filter var(--transition-base), -webkit-backdrop-filter var(--transition-base);
}

.header.scrolled {
  background: var(--color-bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--color-border);
  padding: var(--space-3) 0;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  height: 23px;
  width: auto;
  transform: scaleX(1.2);
  transform-origin: left center;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.header__link {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  text-decoration: none;
}

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

.header__cta {
  margin-left: var(--space-4);
  order: 99;
}

/* Mobile menu button */
.header__menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.header__menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: all var(--transition-base);
}

@media (max-width: 768px) {
  .header__logo {
    height: 18px;
  }

  .header__nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: rgba(45, 58, 80, 0.98);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-12) var(--space-8);
    gap: var(--space-3);
    transition: right var(--transition-slow);
    border-left: 1px solid rgba(107, 163, 247, 0.2);
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.5);
    z-index: var(--z-sticky);
  }

  .header__nav.open {
    right: 0;
  }

  .header:has(.header__nav.open) {
    background: rgba(45, 58, 80, 0.98);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .header:has(.header__nav.open) .header__menu-btn span {
    background: #fff;
  }

  .header__menu-btn {
    display: flex;
  }

  .header__cta {
    margin-left: 0;
    margin-top: var(--space-4);
    width: 100%;
    justify-content: center;
  }
}

/* ── Mobile Course List (inside hamburger) ── */
.mobile-course-menu {
  display: none;
}

@media (max-width: 768px) {
  .mobile-course-menu {
    display: block;
    width: 100%;
  }

  .header__link--courses {
    display: none;
  }

  .mobile-course-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-text-secondary);
    text-decoration: none;
    margin-bottom: var(--space-3);
    transition: color var(--transition-fast);
  }

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

  .mobile-course-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding-left: var(--space-3);
    border-left: 2px solid rgba(107, 163, 247, 0.15);
    margin-bottom: var(--space-4);
  }

  .mobile-course-link {
    display: block;
    padding: 5px 0;
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
    line-height: 1.4;
  }

  .mobile-course-link:hover {
    color: #6BA3F7;
  }
}

/* ── Footer ── */
.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-16) 0 var(--space-8);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 2fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer__logo {
  height: 26px;
  width: auto;
  transform: scaleX(1.2);
  transform-origin: left center;
}

.footer__brand-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
  max-width: 320px;
  line-height: var(--leading-relaxed);
}

.footer__heading {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

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

.footer__links--courses {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2) var(--space-6);
}

.footer__link {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  text-decoration: none;
}

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

.footer__bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .footer__inner {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer__logo {
    height: 18px;
  }
}

/* ── CTA Section ── */
.cta-section {
  text-align: center;
  padding: var(--space-24) 0;
  position: relative;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border-accent), transparent);
}

.cta-section__title {
  font-size: var(--text-3xl);
  font-weight: var(--weight-extrabold);
  margin-bottom: var(--space-4);
}

.cta-section__text {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.cta-section__description {
  max-width: 620px;
  margin: var(--space-8) auto var(--space-10);
  text-align: left;
}

.cta-section__topics {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.cta-section__topics li {
  position: relative;
  padding-left: var(--space-6);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  line-height: var(--leading-relaxed);
  font-weight: var(--weight-medium);
}

.cta-section__topics li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: var(--weight-bold);
}

/* ── CTA Appeal Points ── */
.cta-appeal {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
  max-width: 720px;
  margin: var(--space-8) auto var(--space-10);
  text-align: center;
}

.cta-appeal__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-6) var(--space-5);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.cta-appeal__item:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.cta-appeal__item--highlight {
  border-color: rgba(107, 163, 247, 0.35);
  background: rgba(107, 163, 247, 0.06);
  box-shadow: 0 0 20px rgba(107, 163, 247, 0.08);
}

.cta-appeal__item--highlight:hover {
  border-color: rgba(107, 163, 247, 0.5);
  box-shadow: 0 8px 32px rgba(107, 163, 247, 0.18);
}

.cta-appeal__icon {
  font-size: 2rem;
  line-height: 1;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-lg);
}

.cta-appeal__body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.cta-appeal__heading {
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  line-height: 1.4;
}

.cta-appeal__heading strong {
  color: var(--color-accent);
  font-size: var(--text-lg);
}

.cta-appeal__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin: 0;
}

.cta-appeal__tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
}

.cta-appeal__tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: var(--space-1) var(--space-3);
  background: rgba(107, 163, 247, 0.08);
  border: 1px solid rgba(107, 163, 247, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-accent);
  white-space: nowrap;
}

.cta-appeal__tag svg {
  flex-shrink: 0;
  opacity: 0.8;
}

@media (max-width: 640px) {
  .cta-appeal {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
  }

  .cta-appeal__item {
    padding: var(--space-4) var(--space-3);
    gap: var(--space-2);
  }

  .cta-appeal__icon {
    font-size: 1.5rem;
    width: 44px;
    height: 44px;
  }

  .cta-appeal__heading {
    font-size: var(--text-sm);
  }

  .cta-appeal__desc {
    font-size: var(--text-xs);
  }
}

/* ── Mobile Overlay ── */
.nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: calc(var(--z-sticky) - 1);
}

.nav-overlay.active {
  display: block;
}

/* ── Page Header (for sub pages) ── */
.page-header {
  padding: var(--space-16) 0;
  text-align: center;
  position: relative;
  background: linear-gradient(180deg, rgba(13, 59, 122, 0.15) 0%, transparent 100%);
}

.page-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.page-header__title {
  font-size: var(--text-4xl);
  font-weight: var(--weight-extrabold);
  margin-bottom: var(--space-4);
}

.page-header__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
}

/* ── Breadcrumb ── */
.breadcrumb {
  margin-top: 60px;
  padding: var(--space-2) 0;
  background: rgba(13, 59, 122, 0.1);
  border-bottom: 1px solid var(--color-border);
}

.breadcrumb__list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-1);
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: var(--text-xs);
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.breadcrumb__item:not(:last-child)::after {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='9 18 15 12 9 6'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  flex-shrink: 0;
}

.breadcrumb__link {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

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

.breadcrumb__current {
  color: var(--color-text-secondary);
  white-space: nowrap;
}

@media (max-width: 768px) {
  .breadcrumb {
    padding: 6px 0;
  }

  .breadcrumb__list {
    font-size: 10px;
  }

  .breadcrumb__item:not(:last-child)::after {
    width: 10px;
    height: 10px;
  }
}

/* ── Legal pages ── */
.legal-content {
  padding: var(--space-16) 0;
}

.legal-content h2 {
  font-size: var(--text-2xl);
  margin-top: var(--space-12);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.legal-content h3 {
  font-size: var(--text-xl);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.legal-content p {
  margin-bottom: var(--space-4);
}

.legal-content ul {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

.legal-content ul li {
  position: relative;
  padding-left: var(--space-4);
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.legal-content ul li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

/* ── Tokushoho env grid ── */
.tokushoho-env-grid {
  grid-template-columns: 1fr 1fr;
}

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