/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-bg: #f0f2f8;
  --color-surface: #ffffff;
  --color-border: #d8dce8;
  --color-text: #111827;
  --color-text-muted: #6b7280;
  --color-primary: #1d4ed8;
  --color-primary-light: #dbeafe;
  --color-success: #16a34a;
  --color-success-bg: #dcfce7;
  --color-warning: #d97706;
  --color-warning-bg: #fef3c7;
  --color-neutral-bg: #f3f4f6;
  --color-dot-grid: rgba(100, 116, 139, 0.15);
  --font: 'Inter', system-ui, sans-serif;
  --radius: 12px;
  --radius-sm: 6px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  background-image:
    radial-gradient(circle, var(--color-dot-grid) 1px, transparent 1px);
  background-size: 28px 28px;
  min-height: 100vh;
}

/* ===== Layout ===== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===== Header ===== */
.site-header {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-border);
  background: rgba(240, 242, 248, 0.85);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.site-header__separator { color: var(--color-border); }

.site-header__nav {
  display: flex;
  gap: 0.25rem;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: background 0.15s, color 0.15s;
}

.nav-link:hover {
  background: var(--color-border);
  color: var(--color-text);
}

/* ===== Hero ===== */
.hero {
  padding: 5rem 0 4rem;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 3rem;
  align-items: start;
}

.hero__eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero__eyebrow::before {
  content: '';
  display: block;
  width: 2rem;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}

.hero__title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero__description {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 480px;
  margin-bottom: 2rem;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.15s;
  border: 2px solid transparent;
}

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

.btn--primary:hover {
  background: #374151;
}

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

.btn--outline:hover {
  background: var(--color-surface);
  border-color: #9ca3af;
}

/* ===== Status Card ===== */
.status-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.status-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.status-card__label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.3rem 0.6rem;
  border-radius: 100px;
  background: var(--color-neutral-bg);
  color: var(--color-text-muted);
}

.status-badge--active {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.status-badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.status-card__phase-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.status-card__phase-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.progress-bar {
  height: 4px;
  background: var(--color-border);
  border-radius: 4px;
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: 4px;
  transition: width 0.5s ease;
}

/* ===== Phase Timeline ===== */
.phase-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.phase-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.phase-item__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 2px solid var(--color-border);
  background: white;
}

.phase-item__dot--done { background: var(--color-success); border-color: var(--color-success); }
.phase-item__dot--active { background: var(--color-primary); border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-light); }
.phase-item__dot--planned { background: white; border-color: var(--color-border); }

.phase-item__info { flex: 1; }

.phase-item__name {
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.3;
}

.phase-item__time {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.phase-item__badge {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.5rem;
  border-radius: 100px;
}

.badge--done { background: var(--color-success-bg); color: var(--color-success); }
.badge--active { background: var(--color-primary-light); color: var(--color-primary); }
.badge--planned { background: var(--color-neutral-bg); color: var(--color-text-muted); }

/* ===== Info Sections ===== */
.section {
  padding: 3.5rem 0;
}

.section--alt {
  background: rgba(255,255,255,0.6);
}

.section__header {
  margin-bottom: 2.5rem;
}

.section__eyebrow {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.section__title {
  font-size: 1.875rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

/* ===== Cards Grid ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: 0 1px 8px rgba(0,0,0,0.04);
}

.card__icon {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.card__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.card__text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===== News / Posts ===== */
.post-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.post-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.15s;
}

.post-item:hover { box-shadow: var(--shadow); }

.post-item__date {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  white-space: nowrap;
  min-width: 90px;
  padding-top: 0.1rem;
}

.post-item__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.post-item__excerpt {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* ===== FAQ ===== */
.faq-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

details.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

details.faq-item summary {
  padding: 1.1rem 1.5rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
  gap: 1rem;
}

details.faq-item summary::-webkit-details-marker { display: none; }

details.faq-item summary::after {
  content: '+';
  font-size: 1.25rem;
  color: var(--color-text-muted);
  flex-shrink: 0;
  transition: transform 0.2s;
}

details.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item__answer {
  padding: 0 1.5rem 1.25rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  border-top: 1px solid var(--color-border);
  padding-top: 1rem;
}

/* ===== Post Page ===== */
.post-content {
  max-width: 700px;
  margin: 3rem auto;
  padding: 0 1.5rem;
}

.post-content h1 {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.post-content .post-meta {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.post-content .body { line-height: 1.8; }
.post-content .body h2 { font-size: 1.25rem; font-weight: 700; margin: 1.5rem 0 0.5rem; }
.post-content .body p { margin-bottom: 1rem; }
.post-content .body ul { padding-left: 1.5rem; margin-bottom: 1rem; }

/* ===== Page (generic) ===== */
.page-content {
  max-width: 800px;
  margin: 3rem auto;
  padding: 0 1.5rem;
}

.page-content h1 {
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

/* ===== Footer ===== */
.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--color-border);
  margin-top: 4rem;
}

.site-footer__text {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-align: center;
}

.site-footer__text a {
  color: var(--color-text-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ===== Responsive ===== */

/* Tablet */
@media (max-width: 900px) {
  .hero .container {
    grid-template-columns: 1fr;
  }
  .hero__title { font-size: clamp(2rem, 6vw, 3rem); }
  .status-card { margin-top: 0; }
}

/* Mobile */
@media (max-width: 640px) {
  .hero { padding: 2.5rem 0 2rem; }

  .hero__title { font-size: 2rem; letter-spacing: -0.02em; }

  .hero__description { font-size: 1rem; }

  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }

  .section { padding: 2rem 0; }
  .section__title { font-size: 1.5rem; }

  .cards-grid { grid-template-columns: 1fr; }

  .post-item {
    flex-direction: column;
    gap: 0.4rem;
  }
  .post-item__date { min-width: unset; }

  .post-content { margin: 1.5rem auto; }
  .post-content h1 { font-size: 1.5rem; }

  .page-content { margin: 1.5rem auto; }
  .page-content h1 { font-size: 1.75rem; }

  .site-header { padding: 0.6rem 0; }
  .site-header .container { flex-direction: column; align-items: stretch; gap: 0.3rem; }
  .site-header__brand { font-size: 0.65rem; }
  .site-header__nav { display: flex; gap: 0; justify-content: space-between; }
  .nav-link { font-size: 0.8rem; padding: 0.35rem 0.4rem; flex: 1; text-align: center; }

  .status-card__header { flex-wrap: wrap; gap: 0.5rem; }
}