/* Trivelo Marketing — lightning chevrons + stacked energy bands */
:root {
  --teal:        #0090A8;
  --teal-bright: #00B4C8;
  --teal-deep:   #006A7C;
  --ink:         #0B0D0E;
  --ink-2:       #121618;
  --ink-3:       #1A2224;
  --paper:       #F3F8F9;
  --white:       #FFFFFF;
  --line:        #C9D8DC;
  --line-dark:   #243033;
  --muted:       #4A585C;
  --on-dark:     #F3F8F9;
  --on-dark-soft:#CDE0E4;
  --display:     "Titan One", "Impact", system-ui, sans-serif;
  --body:        "Overpass", system-ui, sans-serif;
  --maxw:        1140px;
  --ease:        cubic-bezier(.22, .61, .36, 1);
  --header-h:    72px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; max-width: 100%; }
html, body { width: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, .brand-name, .band-n, .step-n, blockquote p {
  font-family: var(--display);
  font-weight: 400;
  letter-spacing: 0.01em;
  line-height: 1.12;
  margin: 0;
}

h1 { font-size: clamp(2.05rem, 5.4vw, 3.85rem); color: var(--on-dark); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.55rem); }
h3 { font-size: 1.25rem; }

p { margin: 0; overflow-wrap: break-word; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; height: auto; }
svg { max-width: 100%; display: block; }
ol, ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--teal); color: var(--ink); padding: 10px 16px; font-weight: 700;
}
.skip-link:focus { left: 0; }

.kicker {
  font-size: 12px; letter-spacing: .22em; text-transform: uppercase;
  font-weight: 700; color: var(--teal-deep); margin: 0 0 12px;
}
.kicker-on-dark { color: var(--teal-bright); }

/* Buttons: bolt-cut corners, not sprint chevrons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 22px; font-weight: 700; font-size: 14px;
  letter-spacing: .06em; text-transform: uppercase;
  border: 1px solid transparent; cursor: pointer;
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.btn-primary { background: var(--teal); color: var(--ink); }
.btn-ghost { background: transparent; color: var(--on-dark); border-color: var(--on-dark-soft); clip-path: none; }

/* Header */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(11, 13, 14, .92);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom-color: var(--line-dark);
  box-shadow: 0 8px 28px -22px rgba(0, 0, 0, .5);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand img { border-radius: 4px; background: var(--white); }
.brand-name { font-size: 17px; color: var(--on-dark); letter-spacing: .04em; }
.brand-name em { font-style: normal; font-family: var(--body); font-weight: 600; font-size: 13px; letter-spacing: .16em; text-transform: uppercase; color: var(--teal-bright); margin-left: 6px; }

.nav { display: flex; align-items: center; gap: 28px; }
.nav a {
  font-size: 13px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--on-dark-soft); font-weight: 600; transition: color .2s var(--ease);
}
.nav .nav-cta {
  color: var(--ink); background: var(--teal); padding: 9px 16px;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--on-dark); border-radius: 1px; transition: transform .3s var(--ease), opacity .3s var(--ease); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero: storm field + flashing bolts */
.hero {
  position: relative;
  background: var(--ink);
  color: var(--on-dark);
  padding: calc(var(--header-h) + 56px) 0 72px;
  overflow: hidden;
  min-height: 100vh;
}
.storm { position: absolute; inset: 0; pointer-events: none; }
.storm-svg { width: 100%; height: 100%; opacity: .9; }
.bolt {
  fill: none;
  stroke: url(#boltGlow);
  stroke-width: 2.4;
  stroke-linejoin: miter;
  stroke-linecap: square;
  filter: drop-shadow(0 0 8px #0090A8);
  stroke-dasharray: 18 10 6 22;
  animation: bolt-flash 4.6s var(--ease) infinite;
}
.bolt-a { animation-duration: 4.2s; }
.bolt-b { animation-duration: 5.1s; animation-delay: 1.1s; opacity: .7; }
.bolt-c { animation-duration: 4.8s; animation-delay: 2.2s; }
.bolt-d { animation-duration: 3.4s; animation-delay: .6s; stroke-width: 1.6; opacity: .55; }

@keyframes bolt-flash {
  0%, 72% { opacity: .12; stroke-dashoffset: 80; }
  76% { opacity: 1; stroke-dashoffset: 0; }
  79% { opacity: .18; }
  83% { opacity: 1; }
  90%, 100% { opacity: .22; stroke-dashoffset: 0; }
}

.scan-band {
  position: absolute; left: -8%; right: -8%;
  height: 42px;
  background: linear-gradient(90deg, transparent 0%, rgba(0, 144, 168, .08) 18%, rgba(0, 180, 200, .18) 50%, rgba(0, 144, 168, .08) 82%, transparent 100%);
  transform: skewY(-8deg);
  animation: band-drift 9s linear infinite;
}
.scan-1 { top: 22%; animation-duration: 8.5s; }
.scan-2 { top: 48%; animation-duration: 11s; animation-delay: -3s; opacity: .7; }
.scan-3 { top: 74%; animation-duration: 9.8s; animation-delay: -6s; opacity: .55; }

@keyframes band-drift {
  0% { transform: skewY(-8deg) translateX(-6%); }
  100% { transform: skewY(-8deg) translateX(6%); }
}

.hero-grid {
  position: relative; z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, .85fr);
  gap: 48px;
  align-items: center;
}

.industry {
  display: inline-block;
  font-size: 12px; letter-spacing: .2em; text-transform: uppercase; font-weight: 700;
  color: var(--teal-bright);
  border: 1px solid rgba(0, 180, 200, .35);
  padding: 6px 12px;
  margin: 0 0 18px;
}

.cluster {
  display: grid;
  grid-template-columns: 10px 10px;
  grid-template-rows: 10px 10px;
  gap: 4px;
  margin: 0 0 18px 2px;
  width: 24px;
}
.cluster span { background: var(--teal); }
.cluster span:nth-child(1) { grid-column: 2; }
.cluster span:nth-child(2) { grid-column: 1; grid-row: 1; transform: translate(6px, 8px); width: 8px; height: 8px; }
.cluster span:nth-child(3) { grid-column: 1; grid-row: 2; }
.cluster span:nth-child(4) { grid-column: 2; grid-row: 2; }

.lede {
  margin-top: 18px;
  max-width: 58ch;
  color: var(--on-dark-soft);
  font-size: 1.05rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

/* Stacked lightning blades (marketing energy, not sprint lanes) */
.blade-stack {
  display: flex; flex-direction: column; gap: 10px;
  padding-top: 8px;
}
.blade {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 14px;
  align-items: center;
  padding: 16px 20px 16px 16px;
  background: var(--ink-3);
  border: 1px solid var(--line-dark);
  color: var(--on-dark);
  clip-path: polygon(0 0, calc(100% - 34px) 0, 100% 50%, calc(100% - 34px) 100%, 0 100%, 14px 72%, 0 50%, 14px 28%);
  animation: blade-charge 5.2s var(--ease) infinite;
  transition: transform .25s var(--ease), background .25s var(--ease), box-shadow .25s var(--ease);
}
.blade-2 { animation-delay: .7s; margin-left: 18px; }
.blade-3 { animation-delay: 1.4s; margin-left: 36px; }
.blade-4 { animation-delay: 2.1s; margin-left: 54px; }
.blade strong {
  display: block;
  font-family: var(--display);
  font-size: 1.35rem;
  letter-spacing: .02em;
}
.blade-k {
  display: block;
  font-size: 11px; letter-spacing: .18em; text-transform: uppercase; font-weight: 700;
  color: var(--teal-bright); margin-bottom: 4px;
}
.mini-bolt { width: 18px; height: 36px; }
.mini-bolt path { fill: var(--teal-bright); }

@keyframes blade-charge {
  0%, 78%, 100% { box-shadow: inset 0 0 0 0 rgba(0, 180, 200, 0); background: var(--ink-3); }
  82% { box-shadow: inset 0 0 0 1px var(--teal), 0 0 24px -6px rgba(0, 180, 200, .7); background: #163238; }
  86% { box-shadow: none; background: var(--ink-3); }
  90% { box-shadow: inset 0 0 0 1px var(--teal-bright), 0 0 28px -4px rgba(0, 180, 200, .85); background: #1A3C44; }
}

/* Energy bands: stacked full-bleed layers */
.bands { position: relative; background: var(--ink); }
.seam {
  display: block; width: 100%; height: 22px;
  background: var(--ink);
}
.seam polyline {
  fill: none; stroke: var(--teal); stroke-width: 2;
  filter: drop-shadow(0 0 6px #0090A8);
  animation: seam-spark 3.8s linear infinite;
}
@keyframes seam-spark {
  0%, 100% { opacity: .45; }
  40% { opacity: 1; }
  55% { opacity: .3; }
  70% { opacity: 1; }
}

.band {
  position: relative;
  overflow: hidden;
  color: var(--on-dark);
  border-top: 1px solid rgba(0, 144, 168, .22);
}
.band-data { background: var(--ink-2); }
.band-audience { background: #0E2A30; }
.band-campaigns { background: var(--teal-deep); }

.surge {
  position: absolute; top: 0; bottom: 0; width: 38%;
  left: -40%;
  background: linear-gradient(90deg, transparent, rgba(243, 248, 249, .16), transparent);
  animation: surge-run 6.4s linear infinite;
  pointer-events: none;
}
.band-audience .surge { animation-delay: -2.1s; animation-duration: 7.2s; }
.band-campaigns .surge { animation-delay: -4s; animation-duration: 5.8s; }

@keyframes surge-run {
  0% { transform: translateX(0); }
  100% { transform: translateX(380%); }
}

.band-inner {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: minmax(140px, 220px) minmax(0, 1fr);
  gap: 28px;
  padding: 56px 24px;
  align-items: start;
}
.band-n {
  display: block;
  font-size: clamp(2.4rem, 6vw, 3.4rem);
  color: var(--teal-bright);
  line-height: 1;
  margin-bottom: 8px;
}
.band-kicker {
  font-size: 12px; letter-spacing: .18em; text-transform: uppercase; font-weight: 700;
  color: var(--on-dark-soft);
}
.band-copy h2 { color: var(--on-dark); margin-bottom: 12px; }
.band-copy p { color: var(--on-dark-soft); max-width: 62ch; font-size: 1.05rem; }

/* Charge path: vertical bolt connecting steps */
.charge { background: var(--paper); padding: 88px 0; }
.charge-head { max-width: 640px; margin-bottom: 48px; }
.charge-head h2 { color: var(--ink); margin-bottom: 12px; }
.charge-head p { color: var(--muted); }

.charge-path {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  position: relative;
}
.charge-path::before {
  content: "";
  position: absolute;
  left: 8%; right: 8%; top: 28px;
  height: 3px;
  background: linear-gradient(90deg, var(--teal-deep), var(--teal), var(--teal-bright), var(--teal));
  clip-path: polygon(0 0, 12% 100%, 24% 0, 36% 100%, 48% 0, 60% 100%, 72% 0, 84% 100%, 100% 0, 100% 100%, 0 100%);
  opacity: .55;
}
.step {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  padding: 28px 22px 24px;
  clip-path: polygon(16px 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%, 0 16px);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.step-bolt {
  position: absolute; top: 18px; right: 16px;
  width: 10px; height: 22px;
  background: var(--teal);
  clip-path: polygon(50% 0, 100% 42%, 62% 42%, 80% 100%, 0 52%, 40% 52%);
  animation: bolt-tick 2.8s var(--ease) infinite;
}
.step:nth-child(2) .step-bolt { animation-delay: .4s; }
.step:nth-child(3) .step-bolt { animation-delay: .8s; }
.step:nth-child(4) .step-bolt { animation-delay: 1.2s; }
@keyframes bolt-tick {
  0%, 70%, 100% { opacity: .45; filter: none; }
  78% { opacity: 1; filter: drop-shadow(0 0 6px #0090A8); }
  86% { opacity: .3; }
  92% { opacity: 1; }
}
.step-n {
  display: block;
  color: var(--teal);
  font-size: 1.6rem;
  margin-bottom: 10px;
}
.step h3 { margin-bottom: 8px; color: var(--ink); }
.step p { color: var(--muted); font-size: .98rem; }

/* Quote flash banner */
.quote-flash {
  position: relative;
  background: var(--ink);
  color: var(--on-dark);
  padding: 88px 24px;
  overflow: hidden;
  text-align: center;
}
.flash-bar {
  position: absolute; inset: 36% -10% auto;
  height: 64px;
  background: linear-gradient(90deg, transparent, rgba(0, 180, 200, .22), transparent);
  transform: skewY(-6deg);
  animation: flash-pass 3.6s var(--ease) infinite;
}
@keyframes flash-pass {
  0% { opacity: .15; transform: skewY(-6deg) translateX(-8%); }
  45% { opacity: 1; }
  100% { opacity: .2; transform: skewY(-6deg) translateX(8%); }
}
.quote-flash blockquote { position: relative; z-index: 1; max-width: 820px; margin: 0 auto; }
.quote-flash p {
  font-size: clamp(1.55rem, 3.2vw, 2.35rem);
  color: var(--on-dark);
  line-height: 1.2;
}
.quote-flash cite {
  display: block;
  margin-top: 18px;
  font-style: normal;
  font-size: 13px; letter-spacing: .2em; text-transform: uppercase; font-weight: 700;
  color: var(--teal-bright);
}

/* FAQ */
.faq-sec { background: var(--paper); padding: 88px 0; }
.faq-grid {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: 48px;
  align-items: start;
}
.faq-lead h2 { color: var(--ink); margin-bottom: 12px; }
.faq-lead p { color: var(--muted); }

.faq-item {
  border-bottom: 1px solid var(--line);
  transition: background .25s var(--ease);
}
.faq-q {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  background: none; border: 0; padding: 18px 4px;
  text-align: left; cursor: pointer;
  font-size: 1.08rem; font-weight: 700; color: var(--ink);
}
.faq-ico {
  flex: 0 0 18px; width: 18px; height: 18px; position: relative;
}
.faq-ico::before, .faq-ico::after {
  content: ""; position: absolute; background: var(--teal);
}
.faq-ico::before { left: 0; right: 0; top: 8px; height: 2px; }
.faq-ico::after { top: 0; bottom: 0; left: 8px; width: 2px; transition: transform .25s var(--ease), opacity .25s var(--ease); }
.faq-item.open .faq-ico::after { transform: rotate(90deg); opacity: 0; }
.faq-a {
  display: none;
  padding: 0 4px 18px;
  color: var(--muted);
  max-width: 62ch;
}
.faq-item.open .faq-a { display: block; }

/* Contact */
.contact {
  background: var(--teal-deep);
  color: var(--on-dark);
  padding: 88px 0;
}
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}
.contact h2 { color: var(--on-dark); margin-bottom: 12px; }
.contact-copy p { color: var(--on-dark-soft); max-width: 48ch; }
.contact-email {
  display: inline-block;
  margin-top: 22px;
  font-family: var(--display);
  font-size: clamp(1.2rem, 2.4vw, 1.7rem);
  color: var(--on-dark);
  border-bottom: 2px solid var(--teal-bright);
  padding-bottom: 4px;
  transition: transform .25s var(--ease), border-color .25s var(--ease);
}
.contact-addr { margin-top: 12px; font-size: .95rem; color: var(--on-dark-soft); }

.contact-form {
  background: var(--ink);
  padding: 28px;
  clip-path: polygon(20px 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%, 0 20px);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.field { margin-bottom: 16px; }
.field label {
  display: block; font-size: 12px; letter-spacing: .16em; text-transform: uppercase;
  font-weight: 700; color: var(--on-dark-soft); margin-bottom: 6px;
}
.field input, .field textarea {
  width: 100%;
  background: var(--ink-3);
  color: var(--on-dark);
  border: 1px solid var(--line-dark);
  padding: 12px 14px;
  font: inherit;
  border-radius: 0;
}
.field input:focus, .field textarea:focus {
  outline: 2px solid var(--teal);
  outline-offset: 1px;
}

/* Footer */
.site-footer {
  background: var(--ink);
  color: var(--on-dark);
  padding: 48px 0 24px;
  border-top: 1px solid var(--line-dark);
}
.footer-inner {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 28px; flex-wrap: wrap;
  padding-bottom: 28px; border-bottom: 1px solid var(--line-dark);
}
.footer-tag { color: var(--on-dark-soft); margin-top: 12px; font-size: .95rem; }
.footer-nav { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-nav a { color: var(--on-dark-soft); font-size: 15px; font-weight: 600; }
.footer-bottom {
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  color: var(--on-dark-soft); font-size: 14px; padding-top: 20px;
}

/* Reveal must sit before hover transforms */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .bolt, .scan-band, .blade, .surge, .seam polyline, .step-bolt, .flash-bar { animation: none !important; }
  .bolt { opacity: .45; stroke-dashoffset: 0; }
}

@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover {
    transform: translateY(-3px);
    background: var(--teal-bright);
    box-shadow: 0 16px 32px -12px rgba(0, 144, 168, .55);
  }
  .btn-ghost:hover {
    transform: translateY(-3px);
    border-color: var(--teal-bright);
    color: var(--teal-bright);
  }
  .nav a:hover { color: var(--on-dark); }
  .nav .nav-cta:hover { background: var(--teal-bright); }
  .js .reveal.in.blade:hover,
  .blade:hover {
    transform: translateY(-4px);
    background: #1A3C44;
    box-shadow: 0 18px 32px -18px rgba(0, 180, 200, .55);
  }
  .js .reveal.in.step:hover,
  .step:hover {
    transform: translateY(-5px);
    border-color: var(--teal);
    box-shadow: 0 20px 36px -24px rgba(11, 13, 14, .35);
  }
  .faq-q:hover { color: var(--teal-deep); }
  .faq-item:hover { background: #E7F1F3; }
  .contact-email:hover { border-bottom-color: var(--on-dark); transform: translateY(-2px); }
  .js .reveal.in.contact-form:hover,
  .contact-form:hover {
    transform: translateY(-6px);
    box-shadow: 0 22px 40px -24px rgba(0, 0, 0, .45);
  }
  .footer-nav a:hover { color: var(--on-dark); }
}

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .blade-2, .blade-3, .blade-4 { margin-left: 0; }
  .blade-stack { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  .charge-path { grid-template-columns: 1fr 1fr; }
  .charge-path::before { display: none; }
  .faq-grid, .contact-grid { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    flex-direction: column; gap: 0; align-items: stretch;
    background: var(--ink); border-bottom: 1px solid var(--line-dark);
    padding: 8px 22px 22px;
    transform: translateY(-120%);
    transition: transform .35s var(--ease);
    z-index: 90;
  }
  .nav.open { transform: translateY(0); }
  .nav a {
    color: var(--on-dark-soft); padding: 14px 0; font-size: 17px;
    border-bottom: 1px solid var(--line-dark);
  }
  .nav .nav-cta {
    text-align: center; margin-top: 14px; color: var(--ink);
  }
  .hero { padding: calc(var(--header-h) + 36px) 0 48px; min-height: auto; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .blade-stack { grid-template-columns: 1fr; }
  .band-inner { grid-template-columns: 1fr; gap: 12px; padding: 40px 24px; }
  .charge, .faq-sec, .contact { padding: 64px 0; }
  .quote-flash { padding: 64px 20px; }
}

@media (max-width: 430px) {
  :root { --header-h: 64px; }
  .container { padding: 0 18px; }
  h1 { font-size: clamp(1.85rem, 9vw, 2.4rem); }
  .industry { font-size: 11px; letter-spacing: .12em; }
  .lede { font-size: 1rem; }
  .blade { clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 50%, calc(100% - 22px) 100%, 0 100%, 10px 72%, 0 50%, 10px 28%); padding: 14px 16px; }
  .charge-path { grid-template-columns: 1fr; gap: 12px; }
  .contact-form { padding: 22px 18px; }
  .footer-inner, .footer-bottom { flex-direction: column; }
  .band-inner { padding: 36px 18px; }
}