/* Arkano-IA · cyber-premium */
:root {
  --bg: #07080F;
  --bg-2: #0C0E1C;
  --surface: #11142A;
  --surface-2: #181C36;
  --surface-3: #1F244A;
  --border: #2A3060;
  --border-soft: #1A1F40;
  --text: #ECEEFF;
  --muted: #8E94BD;
  --muted-2: #5C6394;
  --cyan: #4DD4FF;
  --cyan-soft: rgba(77,212,255,0.14);
  --magenta: #C84BE0;
  --magenta-soft: rgba(200,75,224,0.16);
  --violet: #7C5BFF;
  --grad: linear-gradient(120deg, #4DD4FF 0%, #7C5BFF 50%, #C84BE0 100%);
  --grad-soft: linear-gradient(120deg, rgba(77,212,255,0.18), rgba(200,75,224,0.18));
  --display: 'Space Grotesk', system-ui, sans-serif;
  --body: 'Sora', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --radius: 18px;
  --radius-sm: 10px;
  --pad-section: clamp(64px, 9vw, 128px) clamp(20px, 6vw, 96px);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Background atmosphere */
.bg-atmosphere {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.bg-atmosphere::before {
  content: '';
  position: absolute;
  inset: -10%;
  background:
    radial-gradient(60% 50% at 12% 8%, rgba(77,212,255,0.18), transparent 60%),
    radial-gradient(45% 40% at 92% 18%, rgba(200,75,224,0.20), transparent 60%),
    radial-gradient(70% 50% at 70% 100%, rgba(124,91,255,0.15), transparent 60%);
  filter: blur(40px);
}
.bg-atmosphere::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
}
.bg-noise {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.4;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.5'/></svg>");
}

/* Light theme override */
body.theme-light {
  --bg: #F4F2EE;
  --bg-2: #ECEAE3;
  --surface: #FFFFFF;
  --surface-2: #F8F6F1;
  --surface-3: #EFEDE6;
  --border: #1A1B22;
  --border-soft: #D7D3C8;
  --text: #0E0F1A;
  --muted: #4D5066;
  --muted-2: #8A8E9E;
  --cyan: #0086C7;
  --magenta: #B22DCC;
  --violet: #4F2DD9;
  --grad: linear-gradient(120deg, #0086C7 0%, #4F2DD9 50%, #B22DCC 100%);
  --grad-soft: linear-gradient(120deg, rgba(0,134,199,0.10), rgba(178,45,204,0.10));
}
body.theme-light .bg-atmosphere::before {
  background:
    radial-gradient(60% 50% at 12% 8%, rgba(0,134,199,0.18), transparent 60%),
    radial-gradient(45% 40% at 92% 18%, rgba(178,45,204,0.16), transparent 60%);
}
body.theme-light .bg-noise { display: none; }

/* Typography helpers */
.h-display { font-family: var(--display); font-weight: 600; letter-spacing: -0.03em; line-height: 0.96; }
.mono { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.eyebrow { font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--cyan); }

/* Container */
.app { position: relative; z-index: 2; }
.container { width: 100%; max-width: 1320px; margin: 0 auto; padding: 0 clamp(20px, 4vw, 48px); }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(18px) saturate(140%);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  border-bottom: 1px solid var(--border-soft);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px clamp(20px, 4vw, 48px);
  max-width: 1320px; margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 12px; cursor: pointer; user-select: none; }
.brand-logo {
  width: 38px; height: 38px;
  background: url('assets/logo.png') center/cover;
  border-radius: 9px;
  box-shadow: 0 0 24px rgba(124,91,255,0.4);
}
.brand-name {
  font-family: var(--display); font-weight: 600;
  font-size: 17px; letter-spacing: -0.01em;
}
.brand-tag { font-family: var(--mono); font-size: 10px; color: var(--muted); letter-spacing: 0.16em; }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-link {
  font-size: 13.5px; color: var(--text); opacity: 0.78; cursor: pointer;
  letter-spacing: -0.005em; transition: opacity 0.2s;
  background: none; border: none; padding: 0; font-family: inherit;
}
.nav-link:hover { opacity: 1; }
.nav-link.active { opacity: 1; color: var(--cyan); }
.nav-cta {
  padding: 10px 18px; font-size: 13px; font-weight: 500;
  background: var(--text); color: var(--bg);
  border: none; border-radius: 999px; cursor: pointer;
  font-family: inherit; transition: transform 0.2s;
}
.nav-cta:hover { transform: translateY(-1px); }

@media (max-width: 880px) {
  .nav-links { display: none; }
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; border-radius: 999px;
  font-family: var(--body); font-size: 14px; font-weight: 500;
  cursor: pointer; border: 1px solid transparent;
  transition: all 0.2s ease; letter-spacing: -0.005em;
}
.btn-primary {
  background: var(--grad); color: #fff;
  box-shadow: 0 8px 28px -8px rgba(77,212,255,0.5), 0 0 0 1px rgba(255,255,255,0.05) inset;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 40px -10px rgba(200,75,224,0.55); }
.btn-ghost {
  background: transparent; color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.btn-solid {
  background: var(--text); color: var(--bg);
}
.btn-solid:hover { transform: translateY(-1px); }

/* Hero */
.hero { padding: clamp(40px, 8vw, 96px) 0 clamp(60px, 9vw, 120px); position: relative; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 14px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--border-soft);
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.18em;
  color: var(--muted); text-transform: uppercase;
}
.hero-eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 10px var(--cyan);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero-title {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(44px, 8.5vw, 124px);
  line-height: 0.94; letter-spacing: -0.035em;
  margin: 28px 0 0;
  max-width: 14ch;
}
.hero-title .grad {
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  color: transparent; font-style: italic; font-weight: 500;
}
.hero-sub {
  margin-top: 28px; max-width: 56ch;
  font-size: clamp(16px, 1.4vw, 19px); color: var(--muted); line-height: 1.5;
}
.hero-actions { margin-top: 40px; display: flex; gap: 14px; flex-wrap: wrap; }

.hero-grid {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(24px, 4vw, 64px);
  align-items: end;
}
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
}

/* Hero stat block */
.hero-stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1px;
  background: var(--border-soft);
  border: 1px solid var(--border-soft); border-radius: var(--radius);
  overflow: hidden;
}
.hero-stat {
  background: var(--surface); padding: 22px 24px;
}
.hero-stat .num {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(32px, 4vw, 44px); line-height: 1;
  letter-spacing: -0.03em;
}
.hero-stat .num .grad {
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-stat .lbl { margin-top: 10px; font-size: 12.5px; color: var(--muted); line-height: 1.4; }

/* Featured workshop card (hero) */
.feat-card {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--surface), var(--bg-2));
  overflow: hidden; position: relative;
}
.feat-card::before {
  content: ''; position: absolute; inset: 0;
  background: var(--grad-soft); opacity: 0.5; pointer-events: none;
}
.feat-card-img {
  height: 220px;
  position: relative;
  overflow: hidden;
}
.feat-card-img-el {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
.feat-card-img::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, var(--surface) 100%);
  pointer-events: none;
}
.feat-card-body { padding: 22px 24px 24px; position: relative; }
.feat-card .code { font-family: var(--mono); font-size: 10.5px; color: var(--cyan); letter-spacing: 0.16em; }
.feat-card h3 { font-family: var(--display); font-weight: 600; font-size: 24px; margin: 8px 0 4px; letter-spacing: -0.02em; }
.feat-card .sub { color: var(--muted); font-size: 13.5px; }
.feat-card .meta {
  display: flex; flex-wrap: wrap; gap: 16px; margin-top: 16px;
  font-size: 12.5px; color: var(--muted-2);
}
.feat-card .meta b { color: var(--text); font-weight: 500; }

/* Section base */
.section { padding: var(--pad-section); position: relative; }
.section-head {
  display: grid; grid-template-columns: 1fr auto;
  gap: 24px; align-items: end; margin-bottom: 48px;
}
@media (max-width: 720px) {
  .section-head { grid-template-columns: 1fr; }
}
.section-title {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(32px, 4.4vw, 56px);
  letter-spacing: -0.025em; line-height: 1.02;
  max-width: 18ch;
}

/* Workshop grid */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px;
  padding: 8px; border: 1px solid var(--border-soft);
  border-radius: 999px; background: var(--surface);
  width: fit-content; max-width: 100%;
}
.filter-pill {
  padding: 8px 16px; font-size: 12.5px; border-radius: 999px;
  background: transparent; color: var(--muted); border: none; cursor: pointer;
  font-family: inherit; transition: all 0.2s;
}
.filter-pill:hover { color: var(--text); }
.filter-pill.active {
  background: var(--text); color: var(--bg);
}

.ws-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 1100px) { .ws-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 720px) { .ws-grid { grid-template-columns: 1fr; } }

.ws-card {
  position: relative; border-radius: var(--radius);
  border: 1px solid var(--border-soft);
  background: var(--surface);
  padding: 22px; cursor: pointer; overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s, box-shadow 0.3s;
}
.ws-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(120% 80% at 0% 0%, var(--cyan-soft), transparent 50%);
  opacity: 0; transition: opacity 0.3s;
  pointer-events: none;
}
.ws-card.accent-magenta::before {
  background: radial-gradient(120% 80% at 100% 0%, var(--magenta-soft), transparent 50%);
}
.ws-card:hover { transform: translateY(-4px); border-color: var(--border); box-shadow: 0 16px 40px -16px rgba(0,0,0,0.6); }
.ws-card:hover::before { opacity: 1; }

.ws-card-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: 28px; gap: 12px;
}
.ws-tag {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em;
  padding: 5px 9px; border-radius: 6px;
  background: var(--surface-2); color: var(--muted);
  text-transform: uppercase;
}
.ws-tag.accent { background: var(--cyan-soft); color: var(--cyan); }
.ws-tag.accent-magenta { background: var(--magenta-soft); color: var(--magenta); }
.ws-code { font-family: var(--mono); font-size: 10.5px; color: var(--muted-2); letter-spacing: 0.16em; }

.ws-card h3 {
  font-family: var(--display); font-weight: 600;
  font-size: 22px; line-height: 1.1; letter-spacing: -0.02em;
  margin: 0 0 6px;
}
.ws-card .ws-sub { color: var(--muted); font-size: 13.5px; line-height: 1.45; }

.ws-card-foot {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-top: 22px; padding-top: 18px;
  border-top: 1px dashed var(--border-soft);
}
.ws-meta { font-size: 12px; color: var(--muted); line-height: 1.5; }
.ws-meta b { color: var(--text); font-weight: 500; }
.ws-price { font-family: var(--display); font-size: 22px; font-weight: 600; letter-spacing: -0.02em; }
.ws-price .currency { font-size: 13px; color: var(--muted); margin-right: 3px; }
.ws-arrow {
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--border); display: grid; place-items: center;
  transition: all 0.2s; flex-shrink: 0;
}
.ws-card:hover .ws-arrow { background: var(--cyan); color: var(--bg); border-color: var(--cyan); transform: rotate(-45deg); }

/* Cupo bar */
.cupo-bar {
  height: 4px; background: var(--surface-2); border-radius: 999px;
  overflow: hidden; margin-top: 14px;
}
.cupo-bar-fill {
  height: 100%; background: var(--grad);
  border-radius: 999px;
}
.cupo-text {
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em;
  color: var(--muted); margin-top: 6px; text-transform: uppercase;
}

/* Services */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border-soft); border: 1px solid var(--border-soft); border-radius: var(--radius); overflow: hidden; }
@media (max-width: 980px) { .svc-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .svc-grid { grid-template-columns: 1fr; } }
.svc { background: var(--surface); padding: 32px 28px; position: relative; transition: background 0.3s; }
.svc:hover { background: var(--surface-2); }
.svc .code { font-family: var(--mono); font-size: 10.5px; color: var(--muted-2); letter-spacing: 0.16em; }
.svc h3 { font-family: var(--display); font-weight: 600; font-size: 22px; margin: 12px 0 8px; letter-spacing: -0.02em; }
.svc p { color: var(--muted); font-size: 14px; margin: 0 0 22px; }
.svc-foot { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--muted); }
.svc-foot b { color: var(--text); font-weight: 500; font-family: var(--display); font-size: 18px; }

/* Cases */
.cases-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
@media (max-width: 800px) { .cases-grid { grid-template-columns: 1fr; } }
.case-card {
  border-radius: var(--radius); padding: 32px;
  background: var(--surface); border: 1px solid var(--border-soft);
  display: grid; grid-template-columns: 160px 1fr; gap: 28px;
  transition: border-color 0.3s;
}
.case-card:hover { border-color: var(--border); }
@media (max-width: 600px) { .case-card { grid-template-columns: 1fr; } }
.case-metric {
  font-family: var(--display); font-weight: 600;
  font-size: 56px; line-height: 0.95; letter-spacing: -0.04em;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.case-metric-lbl { font-family: var(--mono); font-size: 10px; color: var(--muted); letter-spacing: 0.14em; text-transform: uppercase; margin-top: 8px; }
.case-card h3 { font-family: var(--display); font-weight: 600; font-size: 22px; margin: 0 0 8px; letter-spacing: -0.02em; }
.case-sector { font-size: 12.5px; color: var(--cyan); font-family: var(--mono); letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 14px; }
.case-card p { color: var(--muted); font-size: 14px; margin: 0 0 8px; }
.case-card p b { color: var(--text); font-weight: 500; }

/* CTA band */
.cta-band {
  border-radius: 24px;
  padding: clamp(40px, 5vw, 72px);
  background: linear-gradient(120deg, var(--surface) 0%, var(--surface-3) 100%);
  border: 1px solid var(--border-soft);
  position: relative; overflow: hidden;
}
.cta-band::before {
  content: ''; position: absolute; inset: 0;
  background: var(--grad-soft); opacity: 0.6;
}
.cta-band > * { position: relative; }
.cta-band h2 {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(28px, 4vw, 52px); letter-spacing: -0.025em;
  margin: 0; max-width: 18ch; line-height: 1;
}
.cta-band p { color: var(--muted); margin: 18px 0 28px; max-width: 56ch; font-size: 16px; }

/* Cita form */
.cita-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(28px, 5vw, 80px); align-items: start; }
@media (max-width: 900px) { .cita-grid { grid-template-columns: 1fr; } }
.cita-types { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 18px; }
@media (max-width: 540px) { .cita-types { grid-template-columns: 1fr; } }
.cita-type {
  padding: 14px 16px; border-radius: var(--radius-sm);
  background: var(--surface); border: 1px solid var(--border-soft);
  cursor: pointer; transition: all 0.2s;
  font-family: inherit; color: var(--text); text-align: left;
}
.cita-type:hover { border-color: var(--border); }
.cita-type.active { border-color: var(--cyan); background: var(--cyan-soft); }
.cita-type .ct-code { font-family: var(--mono); font-size: 10px; color: var(--muted); letter-spacing: 0.14em; }
.cita-type .ct-title { font-size: 14.5px; margin-top: 4px; font-weight: 500; }

/* Form fields */
.field { display: block; margin-bottom: 16px; }
.field label { display: block; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em; color: var(--muted); margin-bottom: 8px; text-transform: uppercase; }
.field input, .field textarea, .field select {
  width: 100%; padding: 14px 16px;
  background: var(--surface); border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm); color: var(--text);
  font-family: inherit; font-size: 14.5px;
  transition: border-color 0.2s;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-soft);
}
.field textarea { resize: vertical; min-height: 96px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 540px) { .field-row { grid-template-columns: 1fr; } }

/* Footer */
.footer {
  border-top: 1px solid var(--border-soft);
  padding: 64px clamp(20px, 4vw, 48px) 32px;
  position: relative;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; max-width: 1320px; margin: 0 auto; }
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-brand p { color: var(--muted); font-size: 14px; max-width: 30ch; margin: 16px 0 0; }
.footer h4 { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; color: var(--muted); text-transform: uppercase; margin: 0 0 16px; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 10px; font-size: 13.5px; }
.footer a, .footer button { color: var(--text); opacity: 0.78; text-decoration: none; cursor: pointer; background: none; border: none; padding: 0; font-family: inherit; font-size: inherit; }
.footer a:hover, .footer button:hover { opacity: 1; color: var(--cyan); }
.footer-bottom { max-width: 1320px; margin: 48px auto 0; padding-top: 24px; border-top: 1px solid var(--border-soft); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em; color: var(--muted-2); text-transform: uppercase; }

/* Detail view */
.detail { padding: 32px 0 80px; min-height: 90vh; }
.back-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: none; border: none; color: var(--muted);
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em;
  cursor: pointer; padding: 8px 0; text-transform: uppercase;
}
.back-btn:hover { color: var(--cyan); }

.detail-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: clamp(28px, 4vw, 64px); align-items: start; margin-top: 28px; }
@media (max-width: 980px) { .detail-grid { grid-template-columns: 1fr; } }

.detail h1 {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(36px, 5.5vw, 72px); line-height: 0.96;
  letter-spacing: -0.03em; margin: 12px 0 16px;
}
.detail-sub { font-size: 19px; color: var(--muted); max-width: 50ch; }

.detail-meta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.detail-meta-item {
  padding: 8px 14px; border-radius: 999px;
  border: 1px solid var(--border-soft); background: var(--surface);
  font-size: 12.5px; color: var(--muted);
}
.detail-meta-item b { color: var(--text); font-weight: 500; }

/* Carousel */
.carousel {
  margin-top: 36px; border-radius: var(--radius);
  border: 1px solid var(--border); overflow: hidden;
  background: var(--surface);
}
.carousel-main { aspect-ratio: 16/10; position: relative; overflow: hidden; }
.carousel-slide {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transition: opacity 0.5s, transform 0.5s;
}
.carousel-slide.placeholder {
  background: repeating-linear-gradient(135deg, var(--surface-2) 0 24px, var(--surface) 24px 48px);
  display: grid; place-items: center;
  color: var(--muted-2); font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
}
.carousel-nav { display: flex; padding: 12px; gap: 8px; align-items: center; border-top: 1px solid var(--border-soft); }
.carousel-thumb {
  width: 64px; aspect-ratio: 16/10;
  border-radius: 6px; border: 1px solid var(--border-soft);
  background-size: cover; background-position: center; cursor: pointer;
  opacity: 0.55; transition: all 0.2s; flex-shrink: 0;
}
.carousel-thumb.placeholder {
  background: repeating-linear-gradient(135deg, var(--surface-2) 0 8px, var(--surface) 8px 16px);
}
.carousel-thumb.active { opacity: 1; border-color: var(--cyan); }
.carousel-counter { margin-left: auto; font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; color: var(--muted); text-transform: uppercase; padding-right: 8px; }

/* Detail sections */
.d-block { margin-top: 40px; }
.d-block h3 { font-family: var(--display); font-weight: 600; font-size: 22px; letter-spacing: -0.02em; margin: 0 0 18px; }
.d-list { list-style: none; padding: 0; margin: 0; }
.d-list li {
  padding: 14px 0; border-bottom: 1px dashed var(--border-soft);
  display: grid; grid-template-columns: 32px 1fr; gap: 14px; align-items: start;
  font-size: 14.5px; color: var(--text);
}
.d-list li:last-child { border-bottom: none; }
.d-list .num {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.1em;
  color: var(--cyan); padding-top: 3px;
}

/* Sidebar registration */
.reg-card {
  position: sticky; top: 92px;
  border-radius: var(--radius); padding: 28px;
  background: var(--surface); border: 1px solid var(--border);
  box-shadow: 0 16px 40px -16px rgba(0,0,0,0.5);
}
.reg-price-row { display: flex; align-items: baseline; gap: 8px; margin-bottom: 6px; }
.reg-price { font-family: var(--display); font-weight: 600; font-size: 44px; letter-spacing: -0.03em; line-height: 1; }
.reg-price .currency { font-size: 18px; color: var(--muted); margin-right: 4px; }
.reg-cur { font-size: 13px; color: var(--muted); }
.reg-status { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em; color: var(--cyan); text-transform: uppercase; margin-bottom: 22px; }

.reg-spec { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 12px; margin: 22px 0; padding: 18px 0; border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }
.reg-spec-item .lbl { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.14em; color: var(--muted); text-transform: uppercase; }
.reg-spec-item .val { font-size: 13.5px; margin-top: 2px; }

.reg-stepper { margin-top: 18px; }
.reg-step-head {
  display: flex; gap: 6px; margin-bottom: 18px;
}
.reg-step-dot {
  flex: 1; height: 3px; border-radius: 999px; background: var(--surface-2);
}
.reg-step-dot.active { background: var(--cyan); }
.reg-step-dot.done { background: var(--magenta); }

.success-state {
  text-align: center; padding: 28px 12px;
}
.success-icon {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--grad); margin: 0 auto 18px;
  display: grid; place-items: center; color: #fff;
  font-size: 24px; box-shadow: 0 0 30px rgba(77,212,255,0.5);
}

/* Floating brand mark */
.float-mark {
  position: fixed; right: -40px; bottom: 12vh;
  width: 240px; height: 240px;
  background: url('assets/logo.png') center/cover;
  filter: blur(2px); opacity: 0.07; pointer-events: none;
  z-index: 0;
}

/* Marquee */
.marquee {
  border-block: 1px solid var(--border-soft);
  padding: 18px 0;
  overflow: hidden;
  background: var(--surface);
  position: relative;
}
.marquee-track {
  display: flex; gap: 64px;
  animation: scroll 38s linear infinite;
  width: max-content;
  font-family: var(--display); font-weight: 500;
  font-size: clamp(22px, 3vw, 36px); letter-spacing: -0.02em;
  white-space: nowrap;
}
.marquee-track .grad {
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  color: transparent; font-style: italic;
}
.marquee-track .dot { color: var(--muted-2); }
@keyframes scroll {
  to { transform: translateX(-50%); }
}

/* Density compact */
body.density-compact { --pad-section: clamp(40px, 6vw, 72px) clamp(20px, 4vw, 48px); }
body.density-compact .ws-card { padding: 18px; }
body.density-compact .feat-card-img { height: 180px; }
body.density-compact .feat-card-body { padding: 18px 20px 20px; }

/* Hero v2 (asymmetric) */
body.hero-v2 .hero-grid { grid-template-columns: 1fr; }
body.hero-v2 .hero-title { max-width: 18ch; }
body.hero-v2 .hero-aside { display: grid; grid-template-columns: 2fr 1fr; gap: 24px; margin-top: 56px; }
@media (max-width: 980px) { body.hero-v2 .hero-aside { grid-template-columns: 1fr; } }

/* Hero v3 (centered editorial) */
body.hero-v3 .hero { text-align: center; }
body.hero-v3 .hero-grid { grid-template-columns: 1fr; }
body.hero-v3 .hero-title { margin-left: auto; margin-right: auto; max-width: 16ch; }
body.hero-v3 .hero-sub { margin-left: auto; margin-right: auto; }
body.hero-v3 .hero-actions { justify-content: center; }
body.hero-v3 .hero-eyebrow-wrap { display: flex; justify-content: center; }

/* Selection */
::selection { background: var(--cyan); color: var(--bg); }

/* ── Agentes / TRINI Chat ── */
.agent-banner-wrap {
  width: 100%;
  margin-bottom: 48px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 0 48px rgba(124, 91, 255, 0.15), 0 0 0 1px var(--border);
}
.agent-banner-img {
  width: 100%;
  height: auto;
  display: block;
}
@media (max-width: 640px) {
  .agent-banner-wrap { margin-bottom: 32px; }
}

.agent-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}
@media (max-width: 960px) {
  .agent-layout { grid-template-columns: 1fr; }
}

/* Agent card (left) */
.agent-card {
  border-radius: var(--radius);
  border: 1px solid var(--border-soft);
  background: var(--surface);
  padding: 28px;
  position: sticky;
  top: 92px;
}

.agent-avatar-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}
.agent-avatar {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--grad);
  display: grid; place-items: center;
  font-family: var(--display);
  font-size: 26px; font-weight: 700;
  color: #fff;
  box-shadow: 0 0 28px rgba(77,212,255,0.4);
  flex-shrink: 0;
}
.agent-online {
  display: flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.14em; color: var(--muted);
  text-transform: uppercase;
}
.agent-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 8px #4ade80;
  animation: pulse 2s infinite;
  flex-shrink: 0;
}
.agent-name {
  font-family: var(--display); font-weight: 600;
  font-size: 26px; letter-spacing: -0.02em;
  margin: 0 0 4px;
}

.agent-tags {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin: 18px 0 20px;
}
.agent-tag {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.12em; text-transform: uppercase;
  padding: 5px 10px; border-radius: 6px;
  background: var(--cyan-soft); color: var(--cyan);
}

.agent-cases { margin-bottom: 22px; }
.agent-case-row {
  display: flex; align-items: baseline; gap: 10px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--border-soft);
}
.agent-case-row:last-child { border-bottom: none; }
.agent-case-metric {
  font-family: var(--display); font-weight: 600;
  font-size: 16px; letter-spacing: -0.02em;
  background: var(--grad); -webkit-background-clip: text;
  background-clip: text; color: transparent;
  white-space: nowrap;
}
.agent-case-label {
  font-size: 12px; color: var(--muted); line-height: 1.4;
}

.agent-config-btn {
  width: 100%; justify-content: center;
  font-size: 12.5px; padding: 10px 16px;
}
.agent-config {
  margin-top: 14px;
  padding: 16px;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
}
.agent-config-input {
  width: 100%; padding: 11px 14px;
  background: var(--bg); border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm); color: var(--text);
  font-family: var(--mono); font-size: 12px;
  transition: border-color 0.2s;
}
.agent-config-input:focus {
  outline: none; border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-soft);
}

/* Chat (right) */
.chat-container {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  overflow: hidden;
  display: flex; flex-direction: column;
  min-height: 520px;
}

.chat-header {
  display: flex; align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-soft);
  background: var(--surface-2);
}
.chat-avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--grad);
  display: grid; place-items: center;
  font-family: var(--display); font-weight: 700;
  font-size: 15px; color: #fff;
  flex-shrink: 0;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px 20px;
  display: flex; flex-direction: column; gap: 14px;
  scroll-behavior: smooth;
  max-height: 420px;
}
.chat-messages::-webkit-scrollbar { width: 4px; }
.chat-messages::-webkit-scrollbar-track { background: transparent; }
.chat-messages::-webkit-scrollbar-thumb { background: var(--border); border-radius: 999px; }

.chat-msg {
  display: flex; align-items: flex-end; gap: 10px;
  max-width: 82%;
}
.chat-msg-assistant { align-self: flex-start; }
.chat-msg-user {
  align-self: flex-end;
  flex-direction: row-reverse;
}
.chat-msg-avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--grad);
  display: grid; place-items: center;
  font-family: var(--display); font-weight: 700;
  font-size: 12px; color: #fff;
  flex-shrink: 0;
}
.chat-bubble {
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 14px; line-height: 1.55;
  word-break: break-word;
}
.chat-msg-assistant .chat-bubble {
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  border-bottom-left-radius: 4px;
  color: var(--text);
}
.chat-msg-user .chat-bubble {
  background: var(--grad);
  color: #fff;
  border-bottom-right-radius: 4px;
}

/* Typing dots */
.chat-typing {
  display: flex; align-items: center; gap: 5px;
  padding: 14px 18px;
}
.chat-typing span {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--muted);
  animation: blink 1.4s infinite both;
}
.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes blink {
  0%, 80%, 100% { opacity: 0.3; transform: scale(0.85); }
  40% { opacity: 1; transform: scale(1.1); }
}

/* Suggestions */
.chat-suggestions {
  display: flex; flex-wrap: wrap; gap: 8px;
  padding: 8px 20px 12px;
}
.chat-suggestion {
  padding: 8px 14px; border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  font-size: 12.5px; color: var(--text);
  cursor: pointer; font-family: inherit;
  transition: all 0.2s;
  white-space: nowrap;
}
.chat-suggestion:hover {
  border-color: var(--cyan); color: var(--cyan);
  background: var(--cyan-soft);
}

/* Input */
.chat-input-row {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px;
  border-top: 1px solid var(--border-soft);
  background: var(--surface);
}
.chat-input {
  flex: 1; padding: 11px 16px;
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  color: var(--text); font-family: inherit; font-size: 14px;
  transition: border-color 0.2s;
}
.chat-input:focus {
  outline: none; border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-soft);
}
.chat-input:disabled { opacity: 0.5; }
.chat-input::placeholder { color: var(--muted-2); }

.chat-send {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--grad);
  border: none; cursor: pointer;
  display: grid; place-items: center;
  font-size: 18px; color: #fff;
  transition: transform 0.2s, opacity 0.2s;
  flex-shrink: 0;
}
.chat-send:hover:not(:disabled) { transform: scale(1.08); }
.chat-send:disabled { opacity: 0.35; cursor: default; }