/* ═══════════════════════════════════════════════
   MarginPulse Pro — Global CSS
   Design tokens sourced from App.jsx & backend
   ═══════════════════════════════════════════════ */

:root {
  --slate:        #0f172a;
  --slate-hover:  #1e293b;
  --slate-mid:    #334155;
  --teal:         #18c496;
  --teal-mid:     #14b8a6;
  --teal-dark:    #0f6e56;
  --teal-light:   #eafbf5;
  --teal-border:  #99f6e4;
  --mint-support: #aee9da;
  --beige:        #f5f1eb;
  --deep-navy:    #1a3e5c;
  --amber:        #f59e0b;
  --amber-bg:     #fef3c7;
  --amber-text:   #92400e;
  --red:          #ef4444;
  --red-bg:       #fee2e2;
  --red-text:     #991b1b;
  --green:        #065f46;
  --green-bg:     #d1fae5;
  --indigo:       #6366f1;
  --indigo-bg:    #ede9fe;
  --bg:           #f8fafc;
  --white:        #ffffff;
  --border:       #e2e8f0;
  --text:         #1e293b;
  --muted:        #64748b;
  --muted-light:  #94a3b8;
  --radius:       8px;
  --radius-lg:    14px;
  --font:         -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --mono:         'SF Mono', 'Fira Code', Consolas, monospace;
  --transition:   150ms ease;
  --shadow:       0 4px 20px rgba(15,23,42,.08);
  --shadow-lg:    0 16px 48px rgba(15,23,42,.13);
  --shadow-xl:    0 32px 80px rgba(15,23,42,.2);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font); background: var(--white); color: var(--text);
       line-height: 1.6; -webkit-font-smoothing: antialiased; }
img  { max-width: 100%; display: block; }
a    { color: inherit; text-decoration: none; }
button { font-family: inherit; }
ul, ol { list-style: none; }
input, textarea, select { font-family: inherit; }

/* ── Container ── */
.container    { max-width: 1160px; margin: 0 auto; padding: 0 5%; }
.container-sm { max-width:  760px; margin: 0 auto; padding: 0 5%; }

/* ── Typography ── */
.eyebrow { display: block; font-size: 11px; font-weight: 700; letter-spacing: .1em;
           text-transform: uppercase; color: var(--teal); margin-bottom: 12px; }
.display { font-size: clamp(36px,5vw,68px); font-weight: 900; letter-spacing: -.03em;
           line-height: 1.05; color: var(--slate); }
.display em { font-style: normal; color: var(--teal-mid); }
.h2 { font-size: clamp(26px,3.5vw,44px); font-weight: 900; letter-spacing: -.025em;
      line-height: 1.1; color: var(--slate); }
.h3 { font-size: 20px; font-weight: 800; color: var(--slate); line-height: 1.3; }
.h4 { font-size: 15px; font-weight: 700; color: var(--slate); }
.lead { font-size: clamp(16px,2vw,19px); color: var(--muted); line-height: 1.7; }
.body-sm { font-size: 13px; color: var(--muted); line-height: 1.65; }

/* ── Buttons ── */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 22px;
       font-size: 14px; font-weight: 700; border-radius: var(--radius);
       border: 1.5px solid transparent; cursor: pointer;
       letter-spacing: -.01em; line-height: 1; white-space: nowrap;
       transition: background var(--transition), border-color var(--transition),
                   transform var(--transition), opacity var(--transition); }
.btn-lg { padding: 14px 28px; font-size: 15px; }
.btn-sm { padding: 7px 14px; font-size: 12px; }
.btn-primary  { background: var(--teal);  color: #fff; border-color: var(--teal); }
.btn-primary:hover  { background: var(--teal-dark); border-color: var(--teal-dark); transform: translateY(-1px); }
.btn-dark     { background: var(--slate); color: #fff; border-color: var(--slate); }
.btn-dark:hover     { background: var(--slate-hover); transform: translateY(-1px); }
.btn-outline  { background: transparent; color: var(--slate); border-color: var(--border); }
.btn-outline:hover  { border-color: var(--teal); color: var(--teal); }
.btn-ghost-light { background: rgba(255,255,255,.1); color: #e2e8f0;
                   border-color: rgba(255,255,255,.18); }
.btn-ghost-light:hover { background: rgba(255,255,255,.18); }

/* ── Badges ── */
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px;
         border-radius: 100px; font-size: 11px; font-weight: 700;
         text-transform: uppercase; letter-spacing: .05em; }
.badge-teal  { background: var(--teal-light); color: var(--teal-dark);
               border: 1px solid var(--teal-border); }
.badge-red   { background: var(--red-bg);   color: var(--red-text); }
.badge-amber { background: var(--amber-bg); color: var(--amber-text); }
.badge-green { background: var(--green-bg); color: var(--green); }
.badge-slate { background: #f1f5f9; color: var(--muted); }
.live-dot::before { content:''; width:6px; height:6px; background:var(--teal-mid);
                    border-radius:50%; display:inline-block;
                    animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.3} }

/* ── Cards ── */
.card { background: var(--white); border: 1px solid var(--border);
        border-radius: var(--radius-lg); padding: 28px; }
.card-hover { transition: box-shadow var(--transition), transform var(--transition); }
.card-hover:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }

/* ── Section ── */
.section    { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.section-gray { background: var(--bg); }
.section-dark { background: var(--slate); }
.section-gradient { background: linear-gradient(160deg,var(--slate) 0%,#134e4a 55%,var(--slate) 100%); }
.section-header { margin-bottom: 56px; }
.section-header.center { text-align: center; }
.section-header.center .lead { max-width: 580px; margin: 14px auto 0; }

/* ── Grid ── */
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }

/* ── Forms ── */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 12px; font-weight: 700; color: var(--muted);
              text-transform: uppercase; letter-spacing: .07em; margin-bottom: 7px; }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 10px 14px; border: 1.5px solid var(--border);
  border-radius: var(--radius); font-size: 14px; color: var(--text);
  background: var(--white); font-family: inherit; outline: none;
  transition: border-color var(--transition), box-shadow var(--transition); }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--teal); box-shadow: 0 0 0 3px rgba(13,148,136,.1); }
.form-textarea { resize: vertical; min-height: 110px; }
.form-hint  { font-size: 11px; color: var(--muted); margin-top: 5px; }
.form-success { padding: 12px 16px; background: var(--green-bg);
                border: 1px solid #a7f3d0; border-radius: var(--radius);
                font-size: 13px; font-weight: 600; color: var(--green); margin-top: 16px; }

/* ── Divider ── */
.divider { height: 1px; background: var(--border); }

/* ── Legal ── */
.legal-hero { padding: 60px 0 40px; background: var(--bg);
              border-bottom: 1px solid var(--border); }
.legal-body { max-width: 800px; margin: 0 auto; padding: 60px 5% 80px; }
.legal-body h2 { font-size: 20px; font-weight: 800; color: var(--slate);
                 margin: 40px 0 12px; padding-top: 16px;
                 border-top: 1px solid var(--border); }
.legal-body h3 { font-size: 15px; font-weight: 700; color: var(--slate); margin: 24px 0 8px; }
.legal-body p  { font-size: 14px; color: var(--muted); line-height: 1.85; margin-bottom: 14px; }
.legal-body ul { padding-left: 22px; margin-bottom: 14px; }
.legal-body ul li { font-size: 14px; color: var(--muted); line-height: 1.75;
                    margin-bottom: 6px; list-style: disc; }
.legal-body a  { color: var(--teal); text-decoration: underline; }
.legal-toc { background: var(--bg); border: 1px solid var(--border);
             border-radius: var(--radius); padding: 20px 24px; margin-bottom: 40px; }
.legal-toc h4 { font-size: 11px; font-weight: 700; color: var(--muted);
                text-transform: uppercase; letter-spacing: .08em; margin-bottom: 12px; }
.legal-toc a  { display: block; font-size: 13px; color: var(--teal); padding: 4px 0; }
.legal-toc a:hover { text-decoration: underline; }

/* ── Cookie Banner ── */
#cookie-banner { position: fixed; bottom: 0; left: 0; right: 0; z-index: 9999;
  background: var(--slate); padding: 16px 5%;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  border-top: 1px solid rgba(255,255,255,.07); flex-wrap: wrap;
  box-shadow: 0 -4px 24px rgba(15,23,42,.35); }
#cookie-banner.hidden { display: none; }
.cookie-text { font-size: 13px; color: #cbd5e1; flex: 1; min-width: 240px; line-height: 1.55; }
.cookie-text a { color: var(--teal-mid); text-decoration: underline; }
.cookie-actions { display: flex; gap: 10px; }
.cookie-accept { padding: 9px 20px; background: var(--teal); color: #fff;
                 font-size: 13px; font-weight: 700; border: none;
                 border-radius: var(--radius); cursor: pointer; }
.cookie-reject { padding: 9px 20px; background: rgba(255,255,255,.08); color: #cbd5e1;
                 font-size: 13px; font-weight: 600; border: 1px solid rgba(255,255,255,.12);
                 border-radius: var(--radius); cursor: pointer; }

/* ── Scroll to top ── */
#scroll-top { position: fixed; bottom: 80px; right: 24px; z-index: 500;
  width: 40px; height: 40px; background: var(--slate); color: #fff;
  border: none; border-radius: 50%; font-size: 18px;
  display: none; align-items: center; justify-content: center;
  cursor: pointer; box-shadow: var(--shadow); }
#scroll-top.show { display: flex; }

/* ── Utility ── */
.text-center   { text-align: center; }
.text-teal     { color: var(--teal); }
.text-muted    { color: var(--muted); }
.text-white    { color: #fff; }
.text-slate    { color: var(--slate); }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mt-64 { margin-top: 64px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.hidden { display: none !important; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 768px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .section, .section-lg { padding: 64px 0; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration:.01ms !important; transition-duration:.01ms !important; }
}