/* ===== DentalIA design tokens ===== */
:root {
  --color-primary: #0EA5A4;
  --color-primary-dark: #0B8684;
  --color-primary-soft: #CCFBF1;
  --color-accent: #8B5CF6;
  --color-accent-soft: #EDE9FE;
  --color-bg: #FFFFFF;
  --color-bg-soft: #F8FAFC;
  --color-ink: #0F172A;
  --color-ink-soft: #475569;
  --color-border: #E2E8F0;
  --color-danger: #E11D48;
  --color-success: #16A34A;
  --color-warning: #D97706;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-sm: 0 1px 2px rgba(15,23,42,.04);
  --shadow-md: 0 8px 24px rgba(15,23,42,.08);
  --shadow-lg: 0 20px 40px rgba(15,23,42,.10);

  --font-body: 'Inter', -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Plus Jakarta Sans', 'Inter', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: var(--font-display); letter-spacing: -.02em; line-height: 1.15; margin: 0 0 .5em; }
h1 { font-size: clamp(2.25rem, 4vw + 1rem, 3.75rem); font-weight: 800; }
h2 { font-size: clamp(1.75rem, 2.5vw + 1rem, 2.5rem); font-weight: 700; }
h3 { font-size: 1.375rem; font-weight: 700; }
p  { margin: 0 0 1rem; color: var(--color-ink-soft); }
a  { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-dark); }
img { max-width: 100%; height: auto; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== Buttons ===== */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 22px; border-radius: var(--radius-md); font-weight: 600; font-family: inherit; font-size: 15px; border: 1px solid transparent; cursor: pointer; transition: all .15s ease; }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-ghost { background: transparent; color: var(--color-ink); }
.btn-ghost:hover { background: var(--color-bg-soft); }
.btn-outline { background: transparent; color: var(--color-ink); border-color: var(--color-border); }
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-accent { background: var(--color-accent); color: #fff; }
.btn-accent:hover { background: #7C3AED; color: #fff; }
.btn-block { width: 100%; justify-content: center; }
.btn-sm { padding: 8px 14px; font-size: 14px; }

/* ===== Header ===== */
.site-header { position: sticky; top: 0; z-index: 40; background: rgba(255,255,255,.85); backdrop-filter: saturate(180%) blur(12px); border-bottom: 1px solid var(--color-border); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.site-logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 800; font-size: 20px; color: var(--color-ink); }
.site-logo svg { width: 32px; height: 32px; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a { color: var(--color-ink); font-weight: 500; font-size: 15px; }
.site-nav a:hover { color: var(--color-primary); }
.site-nav .btn { margin-left: 8px; }
@media (max-width: 780px) {
  .site-nav { display: none; }
}

/* ===== Hero ===== */
.hero { position: relative; padding: 96px 0 72px; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -120px; right: -120px; width: 500px; height: 500px; background: radial-gradient(circle, var(--color-primary-soft), transparent 70%); border-radius: 50%; z-index: -1; }
.hero::after { content: ''; position: absolute; bottom: -200px; left: -80px; width: 400px; height: 400px; background: radial-gradient(circle, var(--color-accent-soft), transparent 70%); border-radius: 50%; z-index: -1; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 64px; align-items: center; }
@media (max-width: 960px) { .hero-grid { grid-template-columns: 1fr; gap: 48px; } }
.hero .eyebrow { display: inline-flex; align-items: center; gap: 8px; background: var(--color-primary-soft); color: var(--color-primary-dark); padding: 6px 14px; border-radius: 999px; font-weight: 600; font-size: 13px; margin-bottom: 18px; }
.hero p.lead { font-size: 19px; color: var(--color-ink-soft); max-width: 560px; }
.hero-ctas { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }
.hero-kpis { display: flex; gap: 32px; margin-top: 48px; }
.hero-kpi .v { font-family: var(--font-display); font-size: 28px; font-weight: 800; color: var(--color-ink); }
.hero-kpi .l { font-size: 13px; color: var(--color-ink-soft); }

.hero-visual { position: relative; background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-xl); box-shadow: var(--shadow-lg); padding: 24px; }
.hero-visual h4 { font-size: 14px; color: var(--color-ink-soft); font-weight: 600; margin-bottom: 12px; letter-spacing: .02em; text-transform: uppercase; }
.hero-visual .chart-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 16px; }
.donut { width: 140px; height: 140px; border-radius: 50%; background: conic-gradient(var(--color-primary) 0 45%, var(--color-accent) 45% 72%, #FEC84B 72% 88%, #E2E8F0 88% 100%); position: relative; margin: 0 auto; }
.donut::after { content: ''; position: absolute; inset: 18px; border-radius: 50%; background: #fff; }
.chart-legend { display: flex; flex-direction: column; gap: 10px; justify-content: center; font-size: 13px; }
.chart-legend .item { display: flex; align-items: center; gap: 8px; }
.chart-legend .dot { width: 12px; height: 12px; border-radius: 3px; }

/* ===== Sections ===== */
section.block { padding: 80px 0; }
section.block.alt { background: var(--color-bg-soft); }
.section-title { text-align: center; margin-bottom: 56px; }
.section-title .eyebrow { color: var(--color-primary); font-weight: 700; font-size: 14px; letter-spacing: .08em; text-transform: uppercase; }

/* ===== Cards ===== */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 28px; transition: all .2s ease; }
.card:hover { border-color: var(--color-primary); transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card .icon { width: 44px; height: 44px; border-radius: 12px; background: var(--color-primary-soft); color: var(--color-primary-dark); display: inline-flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.card p { font-size: 15px; margin-bottom: 0; }

/* ===== Pricing ===== */
.plans-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.plan { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 32px; position: relative; display: flex; flex-direction: column; }
.plan.is-featured { border: 2px solid var(--color-primary); transform: scale(1.02); box-shadow: var(--shadow-lg); }
.plan.is-featured::before { content: 'Más popular'; position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--color-primary); color: #fff; padding: 6px 14px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.plan h3 { margin: 0 0 4px; }
.plan .price { font-family: var(--font-display); font-size: 40px; font-weight: 800; color: var(--color-ink); margin: 16px 0 4px; }
.plan .price small { font-size: 16px; font-weight: 500; color: var(--color-ink-soft); }
.plan ul { list-style: none; padding: 0; margin: 24px 0; flex: 1; }
.plan ul li { padding: 10px 0; padding-left: 28px; position: relative; font-size: 14px; border-bottom: 1px dashed var(--color-border); color: var(--color-ink); }
.plan ul li:last-child { border-bottom: none; }
.plan ul li::before { content: '✓'; position: absolute; left: 0; color: var(--color-primary); font-weight: 800; }
.plan ul li.no::before { content: '—'; color: #CBD5E1; }
.plan ul li.no { color: var(--color-ink-soft); }

/* ===== Footer ===== */
.site-footer { background: var(--color-ink); color: #CBD5E1; padding: 64px 0 32px; margin-top: 0; }
.site-footer .container { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 48px; }
@media (max-width: 780px) { .site-footer .container { grid-template-columns: 1fr 1fr; } }
.site-footer h4 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.site-footer a { color: #CBD5E1; display: block; padding: 4px 0; font-size: 14px; }
.site-footer a:hover { color: #fff; }
.site-footer .brand { color: #fff; font-size: 14px; max-width: 280px; line-height: 1.6; }
.copyright { grid-column: 1/-1; border-top: 1px solid #1E293B; padding-top: 24px; font-size: 13px; color: #64748B; text-align: center; }

/* ===== Forms / Auth ===== */
.auth-page { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
@media (max-width: 900px) { .auth-page { grid-template-columns: 1fr; } .auth-panel { display: none; } }
.auth-form-wrap { padding: 40px; display: flex; flex-direction: column; justify-content: center; }
.auth-form-wrap .inner { width: 100%; max-width: 400px; margin: 0 auto; }
.auth-form-wrap .logo { margin-bottom: 32px; }
.auth-form-wrap h1 { font-size: 28px; margin-bottom: 8px; }
.auth-form-wrap p.muted { color: var(--color-ink-soft); margin-bottom: 28px; }
.auth-panel { background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%); padding: 48px; display: flex; flex-direction: column; justify-content: center; color: #fff; }
.auth-panel blockquote { font-family: var(--font-display); font-size: 24px; font-weight: 600; line-height: 1.4; margin: 0 0 24px; }
.auth-panel .author { font-weight: 600; }
.auth-panel .author small { display: block; opacity: .8; font-weight: 400; }

.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--color-ink); }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 11px 14px; border: 1px solid var(--color-border); border-radius: var(--radius-md); font-family: inherit; font-size: 15px; background: #fff; transition: border-color .15s, box-shadow .15s; color: var(--color-ink); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(14,165,164,.15); }
.form-group .error { color: var(--color-danger); font-size: 13px; margin-top: 4px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.checkbox-inline { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.checkbox-inline input { width: auto; margin: 0; }
.divider { display: flex; align-items: center; gap: 14px; color: var(--color-ink-soft); margin: 24px 0; font-size: 13px; }
.divider::before, .divider::after { content: ''; flex: 1; border-top: 1px solid var(--color-border); }

.btn-google { background: #fff; color: var(--color-ink); border: 1px solid var(--color-border); }
.btn-google:hover { border-color: var(--color-ink); }

/* ===== Alerts ===== */
.alert { padding: 12px 16px; border-radius: var(--radius-md); margin-bottom: 18px; font-size: 14px; border: 1px solid transparent; }
.alert-success { background: #F0FDF4; color: #166534; border-color: #BBF7D0; }
.alert-error { background: #FEF2F2; color: #991B1B; border-color: #FECACA; }
.alert-info { background: #EFF6FF; color: #1E40AF; border-color: #BFDBFE; }

/* ===== Admin / Panel ===== */
.app-shell { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; }
.app-sidebar { background: #0B1020; color: #CBD5E1; padding: 24px 16px; }
.app-sidebar .logo { color: #fff; display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 800; padding: 8px 10px 24px; }
.app-sidebar nav a { display: flex; align-items: center; gap: 10px; padding: 10px 14px; color: #CBD5E1; border-radius: var(--radius-md); font-size: 14px; font-weight: 500; margin-bottom: 4px; }
.app-sidebar nav a:hover { background: #1E293B; color: #fff; }
.app-sidebar nav a.is-active { background: var(--color-primary); color: #fff; }
.app-sidebar .section-label { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: #64748B; padding: 20px 14px 8px; }
.app-main { background: var(--color-bg-soft); padding: 32px; }
.app-main h1 { font-size: 28px; margin-bottom: 6px; }
.app-main .app-topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid var(--color-border); }
.app-main .user-chip { display: flex; align-items: center; gap: 10px; background: #fff; padding: 6px 6px 6px 14px; border: 1px solid var(--color-border); border-radius: 999px; font-size: 14px; }
.app-main .user-chip .avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--color-primary); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 20px; }
.stat-card .label { font-size: 13px; color: var(--color-ink-soft); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }
.stat-card .value { font-family: var(--font-display); font-size: 28px; font-weight: 800; color: var(--color-ink); margin-top: 6px; }

.panel { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 24px; margin-bottom: 20px; }
.panel h2 { font-size: 18px; margin-bottom: 16px; }
.panel-section { border-top: 1px solid var(--color-border); padding-top: 20px; margin-top: 20px; }

.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th { text-align: left; font-weight: 600; padding: 10px 12px; border-bottom: 1px solid var(--color-border); color: var(--color-ink-soft); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; }
.table td { padding: 12px; border-bottom: 1px solid var(--color-border); }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge-ok { background: #DCFCE7; color: #166534; }
.badge-soft { background: var(--color-bg-soft); color: var(--color-ink-soft); }
.badge-warn { background: #FEF3C7; color: #92400E; }

@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .app-sidebar { display: none; }
}