/* ============================================================
   SEGMENTACIÓN PRO — Estilos principales
   Tema: Dark SaaS premium con glassmorphism
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:ital,wght@0,300;0,400;0,500;0,600;1,400&display=swap');

/* ── Variables ───────────────────────────────────────────── */
:root {
  --bg-base:      #07080f;
  --bg-card:      rgba(255,255,255,.04);
  --bg-card-2:    rgba(255,255,255,.07);
  --border:       rgba(255,255,255,.09);
  --border-glow:  rgba(108,99,255,.45);

  --accent:       #6C63FF;
  --accent-2:     #A78BFA;
  --accent-green: #34d399;
  --accent-cyan:  #22d3ee;
  --accent-pink:  #f472b6;

  --text-1:  #f0f0ff;
  --text-2:  #a0a0c0;
  --text-3:  #606080;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --shadow: 0 8px 40px rgba(0,0,0,.55);
  --glow:   0 0 40px rgba(108,99,255,.18);
}

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

html { scroll-behavior:smooth; }

body {
  font-family:'DM Sans', sans-serif;
  background: var(--bg-base);
  color: var(--text-1);
  min-height:100vh;
  overflow-x:hidden;
  line-height:1.6;
}

/* ── Background mesh ─────────────────────────────────────── */
body::before {
  content:'';
  position:fixed;
  inset:0;
  background:
    radial-gradient(ellipse 80% 60% at 20% -10%, rgba(108,99,255,.18) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 110%, rgba(34,211,238,.10) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 60% 50%, rgba(167,139,250,.07) 0%, transparent 55%);
  pointer-events:none;
  z-index:0;
}

body > * { position:relative; z-index:1; }

/* ── Header ──────────────────────────────────────────────── */
.site-header {
  padding:28px 32px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  border-bottom:1px solid var(--border);
  backdrop-filter:blur(12px);
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(7,8,15,.75);
}

.logo-wrap { display:flex; align-items:center; gap:14px; }

.logo-icon {
  width:44px; height:44px;
  background:linear-gradient(135deg,#6C63FF,#22d3ee);
  border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  font-size:20px;
  box-shadow:0 0 20px rgba(108,99,255,.45);
}

.logo-text {
  font-family:'Syne', sans-serif;
  font-weight:800;
  font-size:20px;
  letter-spacing:.08em;
  background:linear-gradient(90deg, #fff 0%, var(--accent-2) 100%);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
}

.logo-tag {
  font-size:11px;
  color:var(--text-3);
  letter-spacing:.12em;
  text-transform:uppercase;
  font-weight:500;
}

.header-badge {
  display:flex; align-items:center; gap:8px;
  background:rgba(52,211,153,.10);
  border:1px solid rgba(52,211,153,.25);
  border-radius:999px;
  padding:6px 14px;
  font-size:12px;
  color:var(--accent-green);
  font-weight:600;
  letter-spacing:.06em;
}

.header-badge::before {
  content:'';
  width:7px; height:7px;
  background:var(--accent-green);
  border-radius:50%;
  box-shadow:0 0 8px var(--accent-green);
  animation:pulse 2s ease-in-out infinite;
}

/* ── Layout ──────────────────────────────────────────────── */
.main-wrap {
  max-width:1060px;
  margin:0 auto;
  padding:48px 24px 80px;
}

/* ── Hero ────────────────────────────────────────────────── */
.hero {
  text-align:center;
  padding:56px 0 48px;
}

.hero-eyebrow {
  display:inline-flex; align-items:center; gap:8px;
  background:rgba(108,99,255,.12);
  border:1px solid rgba(108,99,255,.30);
  border-radius:999px;
  padding:6px 16px;
  font-size:12px;
  color:var(--accent-2);
  font-weight:600;
  letter-spacing:.10em;
  text-transform:uppercase;
  margin-bottom:24px;
}

.hero-title {
  font-family:'Syne', sans-serif;
  font-size:clamp(36px, 6vw, 62px);
  font-weight:800;
  line-height:1.08;
  letter-spacing:-.01em;
  margin-bottom:20px;
}

.hero-title span {
  background:linear-gradient(90deg, var(--accent) 0%, var(--accent-2) 50%, var(--accent-cyan) 100%);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
}

.hero-desc {
  font-size:18px;
  color:var(--text-2);
  max-width:620px;
  margin:0 auto;
  line-height:1.7;
  font-weight:300;
}

/* ── Cards ───────────────────────────────────────────────── */
.card {
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:32px;
  backdrop-filter:blur(16px);
  box-shadow:var(--shadow);
  transition:border-color .25s, box-shadow .25s;
}

.card:hover {
  border-color:var(--border-glow);
  box-shadow:var(--shadow), var(--glow);
}

.card-header {
  display:flex; align-items:center; gap:12px;
  margin-bottom:24px;
}

.card-icon {
  width:40px; height:40px;
  border-radius:10px;
  display:flex; align-items:center; justify-content:center;
  font-size:18px;
  flex-shrink:0;
}

.card-icon.purple { background:rgba(108,99,255,.18); }
.card-icon.cyan   { background:rgba(34,211,238,.15); }
.card-icon.green  { background:rgba(52,211,153,.15); }
.card-icon.pink   { background:rgba(244,114,182,.15); }

.card-title {
  font-family:'Syne', sans-serif;
  font-size:17px;
  font-weight:700;
  color:var(--text-1);
}

.card-subtitle {
  font-size:13px;
  color:var(--text-3);
  margin-top:2px;
}

/* ── Upload zone ─────────────────────────────────────────── */
.upload-zone {
  border:2px dashed var(--border);
  border-radius:var(--radius-md);
  padding:52px 24px;
  text-align:center;
  cursor:pointer;
  transition:all .25s;
  background:rgba(108,99,255,.03);
  position:relative;
  overflow:hidden;
}

.upload-zone:hover,
.upload-zone.dragging {
  border-color:var(--accent);
  background:rgba(108,99,255,.07);
  box-shadow:0 0 30px rgba(108,99,255,.12);
}

.upload-zone input[type=file] {
  position:absolute;
  inset:0;
  opacity:0;
  cursor:pointer;
  font-size:0;
}

.upload-icon { font-size:48px; display:block; margin-bottom:16px; }

.upload-text {
  font-size:16px;
  font-weight:600;
  color:var(--text-1);
  margin-bottom:8px;
}

.upload-hint {
  font-size:13px;
  color:var(--text-3);
}

.upload-hint span {
  color:var(--accent-2);
  font-weight:600;
}

/* ── Preview ─────────────────────────────────────────────── */
.preview-wrap {
  display:none;
  margin-top:24px;
  position:relative;
}

.preview-wrap img {
  max-width:100%;
  max-height:380px;
  border-radius:var(--radius-md);
  object-fit:contain;
  display:block;
  margin:0 auto;
  border:1px solid var(--border);
  box-shadow:var(--shadow);
}

.preview-remove {
  position:absolute;
  top:10px; right:10px;
  width:32px; height:32px;
  background:rgba(0,0,0,.7);
  border:1px solid var(--border);
  border-radius:50%;
  color:var(--text-2);
  cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  font-size:16px;
  transition:all .2s;
}

.preview-remove:hover { background:#e53e3e; color:#fff; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:14px 28px;
  border-radius:var(--radius-sm);
  font-family:'DM Sans', sans-serif;
  font-weight:600;
  font-size:14px;
  letter-spacing:.04em;
  cursor:pointer;
  border:none;
  transition:all .22s;
  text-decoration:none;
  white-space:nowrap;
}

.btn-primary {
  background:linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  color:#fff;
  box-shadow:0 4px 20px rgba(108,99,255,.40);
  width:100%;
  padding:17px;
  font-size:15px;
  letter-spacing:.08em;
  text-transform:uppercase;
}

.btn-primary:hover:not(:disabled) {
  transform:translateY(-2px);
  box-shadow:0 8px 30px rgba(108,99,255,.55);
}

.btn-secondary {
  background:var(--bg-card-2);
  border:1px solid var(--border);
  color:var(--text-1);
}

.btn-secondary:hover:not(:disabled) {
  border-color:var(--accent);
  color:var(--accent-2);
}

.btn-green {
  background:linear-gradient(135deg, #059669, #34d399);
  color:#fff;
  box-shadow:0 4px 20px rgba(52,211,153,.30);
  width:100%;
  padding:17px;
  font-size:15px;
  letter-spacing:.08em;
  text-transform:uppercase;
}

.btn-green:hover:not(:disabled) {
  transform:translateY(-2px);
  box-shadow:0 8px 30px rgba(52,211,153,.45);
}

.btn-sm {
  padding:9px 18px;
  font-size:13px;
}

.btn:disabled {
  opacity:.45;
  cursor:not-allowed;
  transform:none !important;
}

/* ── Loader ──────────────────────────────────────────────── */
.loader-wrap {
  display:none;
  flex-direction:column;
  align-items:center;
  gap:16px;
  padding:32px;
}

.loader-wrap.active { display:flex; }

.spinner {
  width:48px; height:48px;
  border:3px solid rgba(108,99,255,.2);
  border-top-color:var(--accent);
  border-radius:50%;
  animation:spin .9s linear infinite;
}

.loader-text {
  font-size:14px;
  color:var(--text-2);
  font-weight:500;
  letter-spacing:.06em;
}

/* ── Analysis result ─────────────────────────────────────── */
.analysis-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
  margin-top:4px;
}

.analysis-item {
  background:rgba(255,255,255,.03);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  padding:14px 16px;
}

.analysis-label {
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.12em;
  color:var(--text-3);
  font-weight:600;
  margin-bottom:6px;
}

.analysis-value {
  font-size:14px;
  color:var(--text-1);
  line-height:1.5;
}

.analysis-item.full { grid-column:1/-1; }

/* ── States grid ─────────────────────────────────────────── */
.states-grid {
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(190px,1fr));
  gap:8px;
  margin-top:4px;
}

.checkbox-item {
  display:flex; align-items:center; gap:10px;
  padding:10px 14px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--border);
  border-radius:8px;
  cursor:pointer;
  transition:all .18s;
  user-select:none;
}

.checkbox-item:hover {
  border-color:var(--accent);
  background:rgba(108,99,255,.07);
}

.checkbox-item input[type=checkbox] {
  width:16px; height:16px;
  accent-color:var(--accent);
  cursor:pointer;
  flex-shrink:0;
}

.checkbox-item.highlight {
  border-color:var(--accent-green);
  background:rgba(52,211,153,.06);
}

.checkbox-item.highlight span { color:var(--accent-green); font-weight:700; }

.checkbox-item span {
  font-size:13px;
  color:var(--text-2);
  font-weight:500;
}

/* ── Form fields ─────────────────────────────────────────── */
.form-group { margin-bottom:20px; }

.form-label {
  display:block;
  font-size:13px;
  font-weight:600;
  color:var(--text-2);
  margin-bottom:8px;
  letter-spacing:.04em;
  text-transform:uppercase;
}

.form-control {
  width:100%;
  background:rgba(255,255,255,.04);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  padding:12px 16px;
  color:var(--text-1);
  font-family:'DM Sans', sans-serif;
  font-size:14px;
  outline:none;
  transition:border-color .2s, box-shadow .2s;
  resize:vertical;
}

.form-control::placeholder { color:var(--text-3); }

.form-control:focus {
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(108,99,255,.15);
}

select.form-control {
  cursor:pointer;
  appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23606080' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
  padding-right:36px;
}

.location-row {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}

/* ── Segmentation result ─────────────────────────────────── */
.result-section {
  display:none;
}

.result-section.active { display:block; }

.section-card {
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  overflow:hidden;
  margin-bottom:16px;
}

.section-card-header {
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 20px;
  background:rgba(255,255,255,.03);
  border-bottom:1px solid var(--border);
  cursor:pointer;
  user-select:none;
}

.section-card-title {
  display:flex; align-items:center; gap:10px;
  font-family:'Syne', sans-serif;
  font-size:15px;
  font-weight:700;
  color:var(--text-1);
}

.section-num {
  width:28px; height:28px;
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius:8px;
  display:flex; align-items:center; justify-content:center;
  font-size:12px;
  font-weight:800;
  color:#fff;
  flex-shrink:0;
}

.section-toggle {
  color:var(--text-3);
  font-size:18px;
  transition:transform .2s;
}

.section-card-header.open .section-toggle { transform:rotate(180deg); }

.section-card-body {
  padding:20px;
  display:none;
}

.section-card-body.open { display:block; }

.section-text {
  font-size:14px;
  color:var(--text-2);
  line-height:1.8;
  white-space:pre-wrap;
  word-wrap:break-word;
}

/* ── Copy buttons bar ────────────────────────────────────── */
.copy-bar {
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding:20px;
  background:rgba(255,255,255,.02);
  border-top:1px solid var(--border);
}

.copy-bar .btn { flex:1; min-width:140px; }

/* ── Action bar ──────────────────────────────────────────── */
.action-bar {
  display:flex; flex-wrap:wrap; gap:12px;
  padding-top:8px;
}

/* ── Toast ───────────────────────────────────────────────── */
.toast {
  position:fixed;
  bottom:28px; right:28px;
  background:rgba(30,32,48,.95);
  border:1px solid var(--border-glow);
  border-radius:12px;
  padding:14px 20px;
  display:flex; align-items:center; gap:10px;
  font-size:14px;
  color:var(--text-1);
  box-shadow:var(--shadow);
  z-index:9999;
  transform:translateY(80px);
  opacity:0;
  transition:all .3s cubic-bezier(.34,1.56,.64,1);
  pointer-events:none;
}

.toast.show {
  transform:translateY(0);
  opacity:1;
}

.toast-icon { font-size:18px; }

/* ── Error message ───────────────────────────────────────── */
.alert {
  padding:14px 18px;
  border-radius:var(--radius-sm);
  font-size:14px;
  display:flex; align-items:flex-start; gap:10px;
  margin-top:16px;
}

.alert-error {
  background:rgba(239,68,68,.10);
  border:1px solid rgba(239,68,68,.30);
  color:#fca5a5;
}

.alert-success {
  background:rgba(52,211,153,.10);
  border:1px solid rgba(52,211,153,.30);
  color:#6ee7b7;
}

/* ── Step indicator ──────────────────────────────────────── */
.steps-bar {
  display:flex; align-items:center;
  gap:0;
  margin-bottom:40px;
  padding:0;
  list-style:none;
  justify-content:center;
}

.step-item {
  display:flex; align-items:center; gap:0;
  font-size:13px;
  color:var(--text-3);
  font-weight:600;
}

.step-dot {
  width:32px; height:32px;
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-size:13px;
  font-weight:700;
  background:var(--bg-card);
  border:2px solid var(--border);
  transition:all .3s;
}

.step-item.active .step-dot {
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color:var(--accent);
  color:#fff;
  box-shadow:0 0 16px rgba(108,99,255,.4);
}

.step-item.done .step-dot {
  background:var(--accent-green);
  border-color:var(--accent-green);
  color:#fff;
}

.step-label {
  display:none;
}

.step-line {
  width:48px; height:2px;
  background:var(--border);
  flex-shrink:0;
}

.step-item.done + .step-item .step-line,
.step-item.active + * .step-line { background:var(--accent); }

/* ── Section divider ─────────────────────────────────────── */
.section-gap { height:32px; }

.section-label {
  font-family:'Syne', sans-serif;
  font-size:13px;
  font-weight:700;
  color:var(--accent-2);
  letter-spacing:.18em;
  text-transform:uppercase;
  margin-bottom:20px;
  display:flex; align-items:center; gap:12px;
}

.section-label::after {
  content:'';
  flex:1;
  height:1px;
  background:var(--border);
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width:700px) {
  .site-header { padding:18px 20px; }
  .header-badge { display:none; }
  .main-wrap { padding:32px 16px 60px; }
  .hero { padding:36px 0 32px; }
  .card { padding:22px 18px; }
  .analysis-grid { grid-template-columns:1fr; }
  .location-row { grid-template-columns:1fr; }
  .states-grid { grid-template-columns:1fr 1fr; }
  .copy-bar { flex-direction:column; }
  .copy-bar .btn { width:100%; }
  .action-bar { flex-direction:column; }
  .action-bar .btn { width:100%; }
}

/* ── Animations ──────────────────────────────────────────── */
@keyframes spin    { to { transform:rotate(360deg); } }
@keyframes pulse   { 0%,100% { opacity:1; } 50% { opacity:.4; } }
@keyframes fadeUp  {
  from { opacity:0; transform:translateY(20px); }
  to   { opacity:1; transform:translateY(0); }
}
@keyframes shimmer {
  0%   { background-position:200% center; }
  100% { background-position:-200% center; }
}

.fade-in { animation:fadeUp .4s ease both; }

.gradient-text {
  background:linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-cyan), var(--accent));
  background-size:300% auto;
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  animation:shimmer 4s linear infinite;
}

/* ── Scrollbar ───────────────────────────────────────────── */
::-webkit-scrollbar       { width:6px; height:6px; }
::-webkit-scrollbar-track  { background:var(--bg-base); }
::-webkit-scrollbar-thumb  { background:rgba(108,99,255,.4); border-radius:3px; }