/* ═══════════════════════════════════════════════════════════════════════════
   landing.css — Styles for landing page, login, and register pages
   ═══════════════════════════════════════════════════════════════════════════ */

:root {
  --bg-body: #0d1117;
  --bg-surface: #161b22;
  --bg-card: #1c2128;
  --border-color: #30363d;
  --accent-blue: #58a6ff;
  --accent-green: #3fb950;
  --accent-yellow: #d29922;
  --accent-red: #f85149;
  --accent-purple: #a371f7;
  --text-primary: #e6edf3;
  --text-muted: #8b949e;
}

* { box-sizing: border-box; }

body {
  background: var(--bg-body);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  min-height: 100vh;
}

/* ── Nav ───────────────────────────────────────────────────────────────────── */

.landing-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
}

.landing-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.25rem;
}

.landing-brand i {
  font-size: 1.5rem;
  color: var(--accent-blue);
}

.landing-brand:hover {
  color: var(--accent-blue);
}

/* ── Hero ──────────────────────────────────────────────────────────────────── */

.hero {
  padding: 10rem 0 5rem;
  background:
    radial-gradient(ellipse 60% 50% at 50% -10%, rgba(88, 166, 255, 0.12) 0%, transparent 70%),
    var(--bg-body);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 1rem;
  margin-bottom: 1.5rem;
  border-radius: 2rem;
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--accent-blue);
  font-size: 0.85rem;
  font-weight: 500;
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.text-gradient {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  max-width: 560px;
  margin: 0 auto;
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ── Board Preview ─────────────────────────────────────────────────────────── */

.hero-preview {
  perspective: 1000px;
}

.preview-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  max-width: 720px;
  margin: 0 auto;
  padding: 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  transform: rotateX(4deg);
  transition: transform 0.4s ease;
}

.preview-board:hover {
  transform: rotateX(0deg);
}

.preview-col {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.preview-col-header {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--col-color);
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--col-color);
}

.preview-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 0.6rem 0.75rem;
  font-size: 0.8rem;
  border-left: 3px solid var(--border-color);
}

.preview-card--alta  { border-left-color: var(--accent-red); }
.preview-card--media { border-left-color: var(--accent-yellow); }
.preview-card--baixa { border-left-color: var(--accent-green); }

/* ── Features ──────────────────────────────────────────────────────────────── */

.features {
  padding: 6rem 0;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
}

.feature-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 2rem 1.5rem;
  height: 100%;
  transition: border-color 0.25s, transform 0.25s;
}

.feature-card:hover {
  border-color: var(--accent-blue);
  transform: translateY(-4px);
}

.feature-icon {
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.75rem;
  background: rgba(88, 166, 255, 0.1);
  color: var(--accent, var(--accent-blue));
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0;
  line-height: 1.6;
}

/* ── CTA ───────────────────────────────────────────────────────────────────── */

.cta {
  padding: 5rem 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.cta-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

/* ── How It Works ──────────────────────────────────────────────────────────── */

.how-it-works {
  padding: 6rem 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.section-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-blue);
  margin-bottom: 0.5rem;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 2rem 1.5rem;
  height: 100%;
  position: relative;
  transition: border-color 0.25s, transform 0.25s;
}

.step-card:hover {
  border-color: var(--accent-blue);
  transform: translateY(-4px);
}

.step-number {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.step-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.step-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0;
  line-height: 1.6;
}

/* ── Tech Stack ────────────────────────────────────────────────────────────── */

.tech-stack {
  padding: 6rem 0;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1.5rem 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  transition: border-color 0.2s, transform 0.2s;
  line-height: 1.4;
}

.tech-item:hover {
  border-color: var(--border-color);
  transform: translateY(-3px);
  color: var(--text-primary);
}

.tech-item small {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 400;
}

.tech-icon {
  font-size: 1.8rem;
}

/* ── Stats Section ─────────────────────────────────────────────────────────── */

.stats-section {
  padding: 5rem 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.stat-number {
  font-size: clamp(2.2rem, 5vw, 3rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  margin-bottom: 0.4rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ── Footer ────────────────────────────────────────────────────────────────── */

.landing-footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border-color);
}

.footer-link {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s;
}

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

/* ═══════════════════════════════════════════════════════════════════════════
   Auth pages (login / register)
   ═══════════════════════════════════════════════════════════════════════════ */

.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem 1rem;
  background:
    radial-gradient(ellipse 50% 40% at 50% 20%, rgba(88, 166, 255, 0.08) 0%, transparent 70%),
    var(--bg-body);
}

.auth-wrapper {
  width: 100%;
  max-width: 420px;
}

.auth-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 2.5rem 2rem;
}

.auth-back {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: none;
  margin-bottom: 1.25rem;
  transition: color 0.15s;
}

.auth-back:hover {
  color: var(--accent-blue);
}

.auth-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.auth-link {
  color: var(--accent-blue);
  text-decoration: none;
  font-weight: 500;
}

/* ── Login mode toggle ──────────────────────────────────────────────────────────── */

.login-mode-toggle {
  display: flex;
  background: var(--bg-body, #0d1117);
  border: 1px solid var(--border-color, #30363d);
  border-radius: 0.6rem;
  padding: 3px;
  gap: 3px;
}

.login-mode-btn {
  flex: 1;
  padding: 0.45rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 500;
  border: none;
  border-radius: 0.45rem;
  background: transparent;
  color: var(--text-muted, #8b949e);
  cursor: pointer;
  transition: background 0.18s, color 0.18s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
}

.login-mode-btn--active {
  background: var(--bg-surface, #161b22);
  color: var(--text-primary, #e6edf3);
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.login-mode-btn:hover:not(.login-mode-btn--active) {
  color: var(--text-secondary, #c9d1d9);
}

.enterprise-page {
  min-height: 100vh;
  background: var(--bg-body, #0d1117);
  padding-top: 56px; /* space for topbar */
}

/* Top navigation bar */
.enterprise-topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1.5rem;
  background: var(--bg-surface, #161b22);
  border-bottom: 1px solid var(--border-color, #30363d);
  z-index: 1000;
}

.enterprise-topbar .landing-brand {
  margin-right: auto;
}

.enterprise-topbar__badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: 2rem;
  background: rgba(88, 166, 255, 0.1);
  color: #58a6ff;
  border: 1px solid rgba(88, 166, 255, 0.25);
}

.enterprise-topbar__link {
  font-size: 0.8rem;
  color: var(--text-muted, #8b949e);
  text-decoration: none;
  transition: color 0.15s;
}

.enterprise-topbar__link:hover {
  color: var(--accent-blue, #58a6ff);
}

/* Two-column layout */
.enterprise-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: calc(100vh - 56px);
}

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

/* ── Sidebar ───────────────────────────────────────────────────────────────── */

.enterprise-sidebar {
  background: var(--bg-surface, #161b22);
  border-right: 1px solid var(--border-color, #30363d);
  padding: 2rem 0;
  position: sticky;
  top: 56px;
  height: calc(100vh - 56px);
  overflow-y: auto;
}

.enterprise-sidebar__inner {
  padding: 0 1.5rem;
}

.enterprise-sidebar__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  color: var(--text-primary, #e6edf3);
}

.enterprise-sidebar__sub {
  font-size: 0.8rem;
  color: var(--text-muted, #8b949e);
  margin-bottom: 1.75rem;
}

/* Step indicators */
.enterprise-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.enterprise-step {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  padding: 0.65rem 0.75rem;
  border-radius: 0.5rem;
  transition: background 0.15s;
  color: var(--text-muted, #8b949e);
}

.enterprise-step--active {
  background: rgba(88, 166, 255, 0.08);
  color: #58a6ff;
}

.enterprise-step--done {
  color: #3fb950;
}

.enterprise-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  flex-shrink: 0;
  font-size: 0.8rem;
  font-weight: 700;
  background: var(--border-color, #30363d);
  color: var(--text-muted, #8b949e);
  transition: background 0.2s, color 0.2s;
}

.enterprise-step--active .enterprise-step__num {
  background: #58a6ff;
  color: #0d1117;
}

.enterprise-step--done .enterprise-step__num {
  background: #3fb950;
  color: #0d1117;
}

.enterprise-step__label {
  font-size: 0.875rem;
  font-weight: 600;
}

.enterprise-step__desc {
  font-size: 0.75rem;
  opacity: 0.7;
}

/* Plan summary card */
.plan-summary {
  margin-top: 1.5rem;
  padding: 1rem;
  background: rgba(88, 166, 255, 0.06);
  border: 1px solid rgba(88, 166, 255, 0.2);
  border-radius: 0.6rem;
}

.plan-summary__name {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #58a6ff;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.plan-summary__seats {
  font-size: 0.8rem;
  color: var(--text-secondary, #c9d1d9);
}

.plan-summary__price {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary, #e6edf3);
  margin-top: 0.3rem;
}

/* Trust badges */
.enterprise-trust {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.trust-item {
  font-size: 0.78rem;
  color: var(--text-muted, #8b949e);
}

/* ── Main content area ─────────────────────────────────────────────────────── */

.enterprise-main {
  padding: 2.5rem 2rem;
  overflow-y: auto;
  max-width: 860px;
}

.enterprise-section__title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  color: var(--text-primary, #e6edf3);
}

/* ── Plan cards grid ───────────────────────────────────────────────────────── */

.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

@media (max-width: 900px) {
  .plan-grid { grid-template-columns: 1fr; }
}

.plan-card {
  display: flex;
  flex-direction: column;
  border: 2px solid var(--border-color, #30363d);
  border-radius: 0.8rem;
  padding: 1.25rem 1rem;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
  background: var(--bg-surface, #161b22);
  position: relative;
  user-select: none;
}

.plan-card:hover {
  border-color: rgba(88, 166, 255, 0.4);
  transform: translateY(-2px);
}

.plan-card--selected,
.plan-card--featured.plan-card--selected {
  border-color: #58a6ff;
  box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.2);
}

.plan-card--featured {
  border-color: rgba(88, 166, 255, 0.5);
}

.plan-card__ribbon {
  position: absolute;
  top: -1px;
  right: -1px;
  background: #58a6ff;
  color: #0d1117;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: 0 0.8rem 0 0.5rem;
}

.plan-card__head {
  text-align: center;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color, #30363d);
}

.plan-card__icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.5rem;
  font-size: 1.2rem;
  color: var(--text-secondary, #c9d1d9);
}

.plan-card__icon--blue { background: rgba(88, 166, 255, 0.1); color: #58a6ff; }
.plan-card__icon--purple { background: rgba(163, 113, 247, 0.12); color: #a371f7; }

.plan-card__name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary, #e6edf3);
  margin-bottom: 0.15rem;
}

.plan-card__price {
  font-size: 1.1rem;
  font-weight: 700;
  color: #58a6ff;
}

.plan-card__period {
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--text-muted, #8b949e);
}

.plan-card__seats {
  font-size: 0.78rem;
  color: var(--text-muted, #8b949e);
  margin-top: 0.15rem;
}

.plan-card__features {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.8rem;
  color: var(--text-secondary, #c9d1d9);
}

.plan-card__features li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.plan-card__badge {
  text-align: center;
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  border-radius: 2rem;
  background: rgba(255,255,255,0.05);
  color: var(--text-muted, #8b949e);
  border: 1px solid var(--border-color, #30363d);
}

.plan-card__badge--blue   { background: rgba(88, 166, 255, 0.08); color: #58a6ff; border-color: rgba(88,166,255,0.2); }
.plan-card__badge--purple { background: rgba(163,113,247,0.08); color: #a371f7; border-color: rgba(163,113,247,0.2); }

/* ── Buttons ───────────────────────────────────────────────────────────────── */

.btn-enterprise-next {
  padding: 0.6rem 1.5rem;
  font-weight: 600;
  border-radius: 0.5rem;
}

.btn-enterprise-back {
  padding: 0.55rem 1.25rem;
  font-size: 0.9rem;
  border-radius: 0.5rem;
  color: var(--text-muted, #8b949e);
}

/* ── Password strength bar ─────────────────────────────────────────────────── */

.pw-strength-bar {
  height: 4px;
  background: var(--border-color, #30363d);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 0.4rem;
}

.pw-strength-fill {
  height: 100%;
  width: 0;
  border-radius: 2px;
  transition: width 0.3s ease, background-color 0.3s ease;
}

/* ── Summary card ──────────────────────────────────────────────────────────── */

.enterprise-summary {
  background: var(--bg-surface, #161b22);
  border: 1px solid var(--border-color, #30363d);
  border-radius: 0.65rem;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
}

.enterprise-summary__title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--text-muted, #8b949e);
  margin-bottom: 0.75rem;
}

.enterprise-summary__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem 1.5rem;
}

.enterprise-summary__row {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.enterprise-summary__key {
  font-size: 0.72rem;
  color: var(--text-muted, #8b949e);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.enterprise-summary__val {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary, #e6edf3);
}

/* ── Success state ─────────────────────────────────────────────────────────── */

.success-icon {
  width: 4rem;
  height: 4rem;
  background: rgba(63, 185, 80, 0.12);
  border: 2px solid #3fb950;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: #3fb950;
  margin: 0 auto 1.5rem;
}

.success-checklist {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.success-check-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary, #c9d1d9);
}

.auth-link:hover {
  text-decoration: underline;
}

/* Input group styling */
.auth-card .input-group-text {
  background: var(--bg-card);
  border-color: var(--border-color);
  color: var(--text-muted);
}

.auth-card .form-control {
  background: var(--bg-card);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.auth-card .form-control:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 0.2rem rgba(88, 166, 255, 0.15);
}

.auth-card .form-control::placeholder {
  color: var(--text-muted);
  opacity: 0.6;
}

/* ── Responsive ────────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
  .hero { padding: 8rem 0 3rem; }

  .preview-board {
    grid-template-columns: 1fr;
    transform: none;
  }

  .preview-board:hover {
    transform: none;
  }

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

  .auth-card {
    padding: 2rem 1.5rem;
  }
}

/* ── Google Sign-In ─────────────────────────────────────────────────────────── */

.auth-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
}

.btn-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  width: 100%;
  padding: 0.6rem 1rem;
  background: #fff;
  color: #3c4043;
  border: 1px solid #dadce0;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, box-shadow 0.15s;
}

.btn-google:hover {
  background: #f8f9fa;
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

.btn-google:active {
  background: #f1f3f4;
}

.g-signin-container {
  display: flex;
  justify-content: center;
  min-height: 44px;
}