/* Caleida website — core styles */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Manrope:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg:          #05030a;
  --bg-scene:    #030208;
  --bg-2:        #0a0715;
  --bg-3:        #0e0a1c;

  --ink:         #e8e6f0;
  --ink-dim:     #8a85a8;
  --ink-faint:   #4a4668;

  --accent:      #7F77DD;
  --accent-2:    #AFA9EC;
  --accent-deep: #3C3489;
  --accent-hot:  #534AB7;

  --line:        rgba(175, 169, 236, 0.14);
  --line-strong: rgba(175, 169, 236, 0.30);

  --ch-whatsapp: #25D366;
  --ch-email:    #AFA9EC;
  --ch-voice:    #F0997B;
  --ch-ai:       #7F77DD;
  --ch-won:      #5DCAA5;

  --font-display: 'Instrument Serif', Georgia, serif;
  --font-sans:    'Manrope', ui-sans-serif, system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, Menlo, monospace;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-med: 220ms;
  --dur-slow: 420ms;

  --content-max: 1360px;
  --density: 1;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body {
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(83, 74, 183, 0.18), transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(127, 119, 221, 0.08), transparent 60%),
    var(--bg);
  min-height: 100vh;
}

/* Fixed grid backdrop */
.grid-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(175, 169, 236, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(175, 169, 236, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 40%, transparent 100%);
}

/* Selection */
::selection { background: var(--accent-hot); color: var(--ink); }

/* Typography helpers */
.t-display {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.025em;
}
.t-serif { font-family: var(--font-display); font-weight: 400; }
.t-mono { font-family: var(--font-mono); }
.t-gradient {
  background: linear-gradient(135deg, var(--accent-2) 0%, var(--accent) 50%, var(--accent-hot) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.t-italic { font-style: italic; }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-2);
  font-weight: 500;
}
.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 100px;
  background: rgba(127, 119, 221, 0.06);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-2);
  font-weight: 500;
}
.eyebrow-pill::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* Kickers with number */
.num-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
}

/* Marquee strip top */
.strip {
  position: relative;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 32px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-dim);
  background: rgba(5, 3, 10, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  gap: 24px;
}
.strip-brand { color: var(--ink); display: flex; align-items: center; gap: 10px; font-weight: 500; }
.strip-brand .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
.strip-meta { display: flex; gap: 28px; flex-wrap: wrap; }
.strip-meta span { display: inline-flex; align-items: center; gap: 6px; }
.strip-meta span::before { content: "▸"; opacity: 0.5; }

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(5, 3, 10, 0.85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  padding: 14px 32px;
  gap: 32px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  text-decoration: none;
}
.nav-logo img { height: 22px; width: auto; }
.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
  justify-content: center;
}
.nav-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-dim);
  cursor: pointer;
  background: none;
  border: none;
  font-family: inherit;
  padding: 6px 0;
  position: relative;
  letter-spacing: -0.005em;
  transition: color var(--dur-med) var(--ease-out);
}
.nav-link:hover { color: var(--ink); }
.nav-link.active { color: var(--ink); }
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  bottom: -15px;
  height: 1px;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}
.nav-right { display: flex; align-items: center; gap: 14px; }

/* Language toggle */
.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
}
.lang-toggle button {
  background: none;
  border: none;
  padding: 5px 10px;
  color: var(--ink-faint);
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  letter-spacing: inherit;
  border-radius: 999px;
  transition: all var(--dur-med) var(--ease-out);
  font-weight: 500;
}
.lang-toggle button.on {
  background: var(--accent);
  color: var(--bg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  border-radius: 2px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.005em;
  cursor: pointer;
  border: none;
  transition: all var(--dur-med) var(--ease-out);
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #0a0715;
}
.btn-primary:hover { background: var(--accent-2); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-strong);
}
.btn-ghost:hover {
  border-color: var(--accent-2);
  background: rgba(175, 169, 236, 0.06);
}
.btn-link {
  background: transparent;
  color: var(--accent-2);
  padding: 4px 0;
  border: none;
  font-weight: 500;
}
.btn-link:hover { color: var(--accent); }
.btn-link::after {
  content: "→";
  margin-left: 4px;
  transition: transform var(--dur-med) var(--ease-out);
}
.btn-link:hover::after { transform: translateX(4px); }

/* Content containers */
.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 32px;
}
.block {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: calc(96px * var(--density)) 32px;
  position: relative;
}
.block-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  margin-bottom: 64px;
  align-items: end;
}
.block-header .num-kicker { margin-bottom: 14px; display: block; }
.block-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 4.2vw, 58px);
  font-weight: 400;
  line-height: 1.04;
  letter-spacing: -0.022em;
  max-width: 720px;
}
.block-title em {
  font-style: italic;
  color: var(--accent-2);
  font-weight: 400;
}
.block-intro {
  font-size: 16px;
  color: var(--ink-dim);
  max-width: 420px;
  line-height: 1.65;
}

/* Card */
.card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 28px;
  box-shadow: 0 1px 0 rgba(255,255,255,0.03) inset, 0 10px 30px rgba(0,0,0,0.45);
  transition: border-color var(--dur-med) var(--ease-out);
}
.card:hover { border-color: var(--line-strong); }

/* HUD corners */
.hud-corner {
  position: absolute;
  width: 14px; height: 14px;
  pointer-events: none;
}
.hud-corner.tl { top: -1px; left: -1px; border-top: 1px solid var(--line-strong); border-left: 1px solid var(--line-strong); }
.hud-corner.tr { top: -1px; right: -1px; border-top: 1px solid var(--line-strong); border-right: 1px solid var(--line-strong); }
.hud-corner.bl { bottom: -1px; left: -1px; border-bottom: 1px solid var(--line-strong); border-left: 1px solid var(--line-strong); }
.hud-corner.br { bottom: -1px; right: -1px; border-bottom: 1px solid var(--line-strong); border-right: 1px solid var(--line-strong); }

/* Metric card */
.metric {
  padding: 28px 24px;
  border: 1px solid var(--line);
  border-radius: 2px;
  position: relative;
  background: var(--bg-2);
  display: flex;
  flex-direction: column;
  min-height: 180px;
}
.metric-big {
  font-family: var(--font-mono);
  font-size: 44px;
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 4px;
}
.metric-big .unit {
  font-size: 22px;
  color: var(--accent-2);
  margin-left: 2px;
}
.metric-label {
  font-size: 13px;
  color: var(--ink-dim);
  line-height: 1.45;
  margin-top: 12px;
  flex: 1;
}
.metric-source {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}

/* Left-bar stat */
.stat-left {
  border-left: 2px solid var(--accent-deep);
  padding: 4px 0 4px 16px;
}
.stat-left-num {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}
.stat-left-label {
  font-size: 12px;
  color: var(--ink-dim);
  line-height: 1.4;
}

/* Channel badge */
.ch-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
}
.ch-badge .sw {
  width: 8px; height: 8px; border-radius: 50%;
}
.ch-badge.wa { color: var(--ch-whatsapp); }
.ch-badge.wa .sw { background: var(--ch-whatsapp); box-shadow: 0 0 6px var(--ch-whatsapp); }
.ch-badge.em { color: var(--ch-email); }
.ch-badge.em .sw { background: var(--ch-email); box-shadow: 0 0 6px var(--ch-email); }
.ch-badge.ph { color: var(--ch-voice); }
.ch-badge.ph .sw { background: var(--ch-voice); box-shadow: 0 0 6px var(--ch-voice); }
.ch-badge.ai { color: var(--ch-ai); }
.ch-badge.ai .sw { background: var(--ch-ai); box-shadow: 0 0 6px var(--ch-ai); }
.ch-badge.ok { color: var(--ch-won); }
.ch-badge.ok .sw { background: var(--ch-won); box-shadow: 0 0 6px var(--ch-won); }

/* Dashed source line */
.source-line {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}

/* Inputs */
.input {
  width: 100%;
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 12px 14px;
  color: var(--ink);
  font-family: inherit;
  font-size: 14px;
  transition: border-color var(--dur-med) var(--ease-out);
}
.input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(175,169,236,0.15);
}
.input::placeholder { color: var(--ink-faint); }
.label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 8px;
  font-weight: 500;
}

/* Divider */
.divider {
  height: 1px;
  background: var(--line);
  margin: 0;
  border: none;
}

/* Page fade */
.page-enter {
  animation: pageEnter 420ms var(--ease-out) forwards;
}
@keyframes pageEnter {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

/* Utility */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.flex-between { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.text-ink { color: var(--ink); }
.text-dim { color: var(--ink-dim); }
.text-faint { color: var(--ink-faint); }
.text-accent { color: var(--accent-2); }

/* ---- Responsive layout classes ---- */
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 560px;
}
.manifesto-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--bg-2);
}
.manifesto-cell {
  padding: 32px 24px;
  border-right: 1px solid var(--line);
  position: relative;
}
.manifesto-cell:last-child { border-right: none; }
.compare-row {
  display: grid;
  grid-template-columns: auto 1fr 2fr;
  gap: 32px;
  padding: 28px 32px;
  align-items: center;
}
.split-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: end; }
.split-demo { display: grid; grid-template-columns: 1fr 1.3fr; gap: 80px; align-items: start; }
.split-contact { display: grid; grid-template-columns: 0.9fr 1.3fr; gap: 64px; align-items: start; }
.split-faq { display: grid; grid-template-columns: 1fr 2fr; gap: 64px; }
.cases-row {
  display: grid;
  grid-template-columns: auto 1.8fr 2fr;
  gap: 40px;
  padding: 48px 40px;
  align-items: center;
}
.platform-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
}
.platform-cell {
  padding: 32px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  min-height: 240px;
  position: relative;
}
.platform-cell:nth-child(3n) { border-right: none; }
.platform-cell:nth-child(n+4) { border-bottom: none; }
.article-toc { display: grid; grid-template-columns: 220px 1fr; gap: 80px; align-items: start; }
.legal-layout { display: grid; grid-template-columns: 260px 1fr 220px; gap: 48px; align-items: start; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 56px; }
.cta-band-inner { display: grid; grid-template-columns: 1.4fr 1fr; gap: 64px; align-items: end; }
.author-row {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 20px 0;
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 32px;
  align-items: center;
}

/* ---- Mobile hamburger nav ---- */
.nav-hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--ink);
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
  align-items: flex-end;
}
.nav-hamburger span {
  display: block;
  height: 1.5px;
  background: currentColor;
  border-radius: 2px;
  transition: all var(--dur-med) var(--ease-out);
}
.nav-hamburger span:nth-child(1) { width: 22px; }
.nav-hamburger span:nth-child(2) { width: 16px; }
.nav-hamburger span:nth-child(3) { width: 22px; }
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 45;
  background: rgba(5, 3, 10, 0.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  flex-direction: column;
  padding: 80px 28px 48px;
  overflow-y: auto;
}
.mobile-menu.open { display: flex; }
.mobile-menu-links { display: flex; flex-direction: column; }
.mobile-menu-links .nav-link {
  font-size: 26px;
  font-family: var(--font-display);
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  text-align: left;
  letter-spacing: -0.01em;
}
.mobile-menu-close {
  position: absolute;
  top: 18px;
  right: 20px;
  background: none;
  border: 1px solid var(--line);
  color: var(--ink-dim);
  cursor: pointer;
  font-size: 18px;
  padding: 6px 12px;
  font-family: var(--font-mono);
  border-radius: 2px;
  line-height: 1;
}
.mobile-menu-bottom {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ---- Responsive breakpoints ---- */
@media (max-width: 900px) {
  .hero-section { padding: 48px 20px 64px !important; }

  /* Nav */
  .nav-inner { grid-template-columns: auto auto; padding: 12px 20px; }
  .nav-links { display: none; }
  .nav-right { display: none; }
  .nav-hamburger { display: flex; }

  /* Strip */
  .strip { padding: 10px 20px; font-size: 10px; }
  .strip-meta { display: none; }

  /* Block / Container */
  .block { padding: 56px 20px; }
  .container { padding: 0 20px; }
  .block-header { grid-template-columns: 1fr; gap: 24px; }

  /* Utility grids */
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

  /* Layout classes */
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-stats { max-width: 100%; }
  .manifesto-grid { grid-template-columns: 1fr 1fr; }
  .manifesto-cell { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .manifesto-cell:nth-child(even) { border-right: none; }
  .manifesto-cell:last-child { border-bottom: none; border-right: none; }
  .compare-row { grid-template-columns: 1fr; gap: 10px; padding: 20px; }
  .split-2, .split-demo, .split-contact { grid-template-columns: 1fr; gap: 40px; }
  .split-faq { grid-template-columns: 1fr; gap: 32px; }
  .cases-row { grid-template-columns: 1fr; gap: 12px; padding: 24px 20px; }
  .platform-features { grid-template-columns: 1fr 1fr; }
  .platform-cell { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .platform-cell:nth-child(3n) { border-right: 1px solid var(--line); }
  .platform-cell:nth-child(even) { border-right: none; }
  .platform-cell:nth-child(n+4) { border-bottom: 1px solid var(--line); }
  .platform-cell:nth-last-child(-n+2) { border-bottom: none; }
  .article-toc { grid-template-columns: 1fr; }
  .article-toc > aside { display: none; }
  .legal-layout { grid-template-columns: 1fr; }
  .legal-layout > aside { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; gap: 24px; margin-bottom: 40px; }
  .cta-band-inner { grid-template-columns: 1fr; gap: 32px; }
  .author-row { grid-template-columns: 1fr 1fr; }
  .author-row > div:last-child { display: none; }
  .pipeline-section { display: none; }
  .flow-track-grid { grid-template-columns: 1fr 1fr !important; row-gap: 40px; }
  .flow-track-connector { display: none; }
}

@media (max-width: 600px) {
  .block { padding: 40px 16px; }
  .container { padding: 0 16px; }
  .manifesto-grid { grid-template-columns: 1fr; }
  .manifesto-cell { border-right: none; border-bottom: 1px solid var(--line); }
  .manifesto-cell:nth-child(even) { border-right: none; }
  .manifesto-cell:last-child { border-bottom: none; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 16px; }
  .platform-features { grid-template-columns: 1fr; }
  .platform-cell:nth-child(even) { border-right: none; }
  .platform-cell:nth-last-child(-n+2) { border-bottom: 1px solid var(--line); }
  .platform-cell:last-child { border-bottom: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .author-row { grid-template-columns: 1fr; gap: 12px; }
  .cases-row > div:first-child { display: none; }
  .grid-2 { gap: 16px; }
  .nav-inner { padding: 10px 16px; }
  .strip { display: none; }
  .flow-track-grid { grid-template-columns: 1fr !important; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent-deep); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-hot); }