/* ============ Tokens ============ */
:root {
  --ink: #0d0b12;
  --ink-2: #17131f;
  --ink-3: #231d2e;
  --text: #2b2633;
  --muted: #6c6578;
  --line: #e7e3ee;
  --bg: #ffffff;
  --bg-soft: #f7f5fb;
  --purple: #a52cff;
  --purple-2: #c86bff;
  --purple-deep: #6f12c9;
  --purple-tint: #f3e8ff;
  --grad: linear-gradient(100deg, #c86bff 0%, #a52cff 45%, #7b2bff 100%);
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 10px 30px -12px rgba(40, 12, 70, .18);
  --shadow-lg: 0 30px 60px -20px rgba(70, 10, 130, .35);
  --display: "Anton", Impact, "Arial Narrow", sans-serif;
  --body: "Plus Jakarta Sans", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --header-h: 76px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }
body {
  margin: 0;
  font-family: var(--body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4, h5 { margin: 0 0 .5em; line-height: 1.12; color: var(--ink); }
p { margin: 0 0 1em; }
svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.container { width: min(1200px, 100% - 40px); margin-inline: auto; }
.section { padding: clamp(72px, 10vw, 120px) 0; position: relative; }

.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.kicker {
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--purple);
  margin-bottom: .9em;
}

h2 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  letter-spacing: .005em;
  text-transform: uppercase;
}

/* ============ Buttons ============ */
.btn {
  --pad: 15px 26px;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: var(--pad);
  border-radius: 999px;
  font: 700 .98rem/1 var(--body);
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 10px 24px -8px rgba(165, 44, 255, .6); }
.btn-primary:hover { box-shadow: 0 16px 32px -8px rgba(165, 44, 255, .75); }
.btn-ghost { border-color: rgba(255,255,255,.35); color: #fff; }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.btn-light { background: #fff; color: var(--ink); }
.btn-sm { --pad: 11px 18px; font-size: .9rem; }
.btn-lg { --pad: 19px 34px; font-size: 1.05rem; }
.btn-block { width: 100%; }
.btn-whatsapp { background: #1fae5b; color: #fff; margin-top: 8px; }
.btn-whatsapp svg { width: 20px; height: 20px; }

.link-arrow {
  font-weight: 700; text-decoration: none; color: var(--purple);
  display: inline-flex; align-items: center; gap: 8px;
}
.link-arrow::after { content: "→"; transition: transform .25s; }
.link-arrow:hover::after { transform: translateX(5px); }

/* ============ Header ============ */
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 50;
  height: var(--header-h);
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .3s, border-color .3s;
}
.site-header.scrolled { border-color: var(--line); box-shadow: 0 6px 20px -12px rgba(0,0,0,.2); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand img { height: 58px; width: auto; mix-blend-mode: multiply; }
.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav a:not(.btn) {
  text-decoration: none; font-weight: 600; font-size: .95rem; color: var(--ink);
  position: relative; padding: 6px 0;
}
.main-nav a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 100%;
  background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform .3s;
}
.main-nav a:not(.btn):hover::after, .main-nav a.active::after { transform: scaleX(1); }
.nav-toggle { display: none; }

/* ============ Hero ============ */
.hero {
  position: relative;
  min-height: 100vh;
  padding: calc(var(--header-h) + 60px) 0 0;
  background:
    radial-gradient(900px 500px at 85% 20%, rgba(165,44,255,.28), transparent 60%),
    radial-gradient(700px 500px at 0% 100%, rgba(123,43,255,.18), transparent 60%),
    var(--ink);
  color: #d9d3e4;
  overflow: hidden;
  display: flex; flex-direction: column;
}
#neural { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .55; }
.hero-inner {
  position: relative; z-index: 1; flex: 1;
  display: grid; grid-template-columns: 1.35fr 1fr; gap: 60px; align-items: center;
  padding-bottom: 60px;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 16px; border-radius: 999px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12);
  font-size: .85rem; font-weight: 600; color: #e9e2f5;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: #3ee07f; box-shadow: 0 0 0 4px rgba(62,224,127,.2); animation: pulse 2s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 8px rgba(62,224,127,0); } }
.hero h1 {
  font-family: var(--display); font-weight: 400; text-transform: uppercase;
  font-size: clamp(2.8rem, 6.6vw, 5.6rem); line-height: 1; color: #fff;
  margin: 22px 0 24px; letter-spacing: .005em;
}
.lead { font-size: clamp(1.05rem, 1.6vw, 1.2rem); max-width: 620px; color: #c9c1d6; }
.rotator { display: inline-block; color: #fff; font-weight: 700; position: relative; }
.rotator span { display: inline-block; transition: opacity .35s, transform .35s; }
.rotator span.out { opacity: 0; transform: translateY(-8px); }
.rotator::after { content: ""; position: absolute; left: 0; right: 0; bottom: 1px; height: 2px; background: var(--grad); }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin: 32px 0 44px; }
.hero-stats { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; max-width: 620px; }
.hero-stats li { border-left: 2px solid rgba(200,107,255,.5); padding-left: 14px; }
.hero-stats strong { display: block; font-family: var(--display); font-weight: 400; font-size: 2.3rem; color: #fff; line-height: 1.1; }
.hero-stats span { font-size: .85rem; color: #a99fb8; }

.hero-card {
  background: rgba(255,255,255,.96); color: var(--text);
  border-radius: 24px; padding: 28px; box-shadow: var(--shadow-lg);
  position: relative;
}
.hero-card::before {
  content: ""; position: absolute; inset: -2px; border-radius: 26px; z-index: -1;
  background: var(--grad); filter: blur(24px); opacity: .5;
}
.mode-switch {
  position: relative; display: grid; grid-template-columns: 1fr 1fr;
  background: var(--bg-soft); border-radius: 999px; padding: 5px; margin-bottom: 24px;
}
.mode-switch button {
  position: relative; z-index: 1; border: 0; background: none; cursor: pointer;
  padding: 12px; border-radius: 999px; font: 700 .92rem var(--body); color: var(--muted);
  transition: color .3s;
}
.mode-switch button.active { color: #fff; }
.mode-pill {
  position: absolute; top: 5px; bottom: 5px; left: 5px; width: calc(50% - 5px);
  border-radius: 999px; background: var(--grad); transition: transform .4s cubic-bezier(.6,.1,.2,1);
}
.mode-switch.with .mode-pill { transform: translateX(100%); }
.mode-panel { display: none; animation: fadeUp .45s ease; }
.mode-panel.active { display: block; }
.mode-panel h3 { font-size: 1.5rem; }
.mode-panel p { color: var(--muted); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.ticks { list-style: none; padding: 0; margin: 0 0 22px; display: grid; gap: 10px; }
.ticks li { position: relative; padding-left: 30px; font-weight: 500; }
.ticks li::before {
  content: "✓"; position: absolute; left: 0; top: 1px; width: 20px; height: 20px; border-radius: 50%;
  display: grid; place-items: center; font-size: .72rem; font-weight: 800;
  background: var(--purple-tint); color: var(--purple);
}

.marquee {
  position: relative; z-index: 1; border-top: 1px solid rgba(255,255,255,.1);
  overflow: hidden; padding: 18px 0; background: rgba(0,0,0,.25);
}
.marquee-track { display: flex; gap: 48px; width: max-content; animation: marquee 40s linear infinite; }
.marquee span {
  font-family: var(--display); text-transform: uppercase; font-size: 1.25rem; letter-spacing: .06em; color: rgba(255,255,255,.55);
  display: inline-flex; align-items: center; gap: 48px; white-space: nowrap;
}
.marquee span::after { content: "✦"; color: var(--purple-2); font-size: .9rem; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ============ Intro ============ */
.intro-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center; }
.intro-copy p:not(.kicker) { font-size: 1.1rem; color: var(--muted); }
.hats { position: relative; height: 360px; }
.hat {
  position: absolute; padding: 14px 22px; border-radius: 14px; font-weight: 700;
  background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow);
  animation: float 6s ease-in-out infinite;
}
.hat.h1 { top: 6%; left: 8%; transform: rotate(-6deg); }
.hat.h2 { top: 18%; right: 6%; animation-delay: -1.5s; }
.hat.h3 { bottom: 22%; left: 2%; animation-delay: -3s; }
.hat.h4 { bottom: 6%; right: 16%; animation-delay: -4.5s; }
.hat.you {
  top: 50%; left: 50%; translate: -50% -50%; text-align: center; animation: none;
  background: var(--ink); color: #fff; padding: 26px 30px; font-size: 1.1rem; border: 0;
  box-shadow: var(--shadow-lg);
}
.hat.you::before {
  content: ""; position: absolute; inset: -3px; border-radius: 17px; background: var(--grad); z-index: -1;
}
.hats.in .hat:not(.you) { text-decoration: line-through; text-decoration-color: var(--purple); text-decoration-thickness: 2px; color: var(--muted); }
@keyframes float { 50% { translate: 0 -10px; } }

.ways { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 70px; }
.way-card {
  padding: 36px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--bg-soft);
  transition: transform .3s, box-shadow .3s;
}
.way-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.way-card h3 { font-family: var(--display); font-weight: 400; text-transform: uppercase; font-size: 2rem; }
.way-card p:not(.kicker) { color: var(--muted); font-size: 1.05rem; }
.way-card.dark { background: var(--ink); border-color: var(--ink); }
.way-card.dark h3 { color: #fff; }
.way-card.dark p:not(.kicker) { color: #b9b0c7; }
.way-card.dark .link-arrow { color: var(--purple-2); }
.way-icon {
  width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center;
  background: var(--grad); color: #fff; margin-bottom: 22px;
}

/* ============ Section heads ============ */
.section-head { max-width: 780px; margin: 0 auto 48px; text-align: center; }
.section-head p:not(.kicker) { font-size: 1.08rem; color: var(--muted); }
.section-head.left { text-align: left; margin: 0; }
.section-head.light h2 { color: #fff; }
.section-head.light p:not(.kicker) { color: #b9b0c7; }

/* ============ Services ============ */
.services { background: var(--bg-soft); }
.filters { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 40px; }
.chip {
  border: 1px solid var(--line); background: #fff; color: var(--ink);
  padding: 10px 18px; border-radius: 999px; font: 600 .9rem var(--body); cursor: pointer;
  transition: all .25s;
}
.chip:hover { border-color: var(--purple); color: var(--purple); }
.chip.active { background: var(--ink); color: #fff; border-color: var(--ink); }

.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.service-card {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px; overflow: hidden;
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s, opacity .35s;
}
.service-card::before {
  content: ""; position: absolute; inset: 0 0 auto; height: 4px; background: var(--grad);
  transform: scaleX(0); transform-origin: left; transition: transform .4s;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.service-card:hover::before { transform: scaleX(1); }
.service-card.hide { display: none; }
.service-card.featured { grid-column: span 2; display: grid; grid-template-columns: 1fr 1.15fr; column-gap: 32px; align-content: start; }
.service-card.featured > :not(.timeline-table):not(.tiers) { grid-column: 1; }
.service-card.featured .timeline-table, .service-card.featured .tiers { grid-column: 2; grid-row: 1 / span 6; align-self: center; margin-top: 34px; }
.num { position: absolute; top: 22px; right: 26px; font-family: var(--display); font-size: 1.6rem; color: #ece6f4; }
.s-icon {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: var(--purple-tint); color: var(--purple); margin-bottom: 20px;
  transition: background .3s, color .3s, transform .3s;
}
.service-card:hover .s-icon { background: var(--grad); color: #fff; transform: rotate(-6deg); }
.service-card h3 { font-size: 1.22rem; font-weight: 800; padding-right: 40px; }
.tagline { font-weight: 700; color: var(--purple-deep); margin-bottom: .5em; }
.service-card p:not(.tagline) { color: var(--muted); font-size: .96rem; }
.meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.meta span { font-size: .76rem; font-weight: 700; padding: 5px 10px; border-radius: 999px; background: var(--bg-soft); color: var(--ink-3); }

.timeline-table { border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; font-size: .92rem; }
.tt-head, .tt-row { display: flex; justify-content: space-between; gap: 12px; padding: 12px 16px; }
.tt-head { background: var(--ink); color: #fff; font-weight: 700; font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
.tt-row { position: relative; border-top: 1px solid var(--line); }
.tt-row b { color: var(--purple-deep); white-space: nowrap; }
.tt-row i { position: absolute; left: 0; bottom: 0; height: 3px; width: 0; background: var(--grad); transition: width 1.2s cubic-bezier(.3,.7,.2,1); }
.service-card.in .tt-row i { width: var(--w); }

.tiers { display: grid; gap: 10px; }
.tier { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 14px 16px; transition: border-color .25s, background .25s; }
.tier:hover { border-color: var(--purple); background: #fcf9ff; }
.tier h4 { font-size: 1rem; margin-bottom: 4px; }
.tier p { margin-bottom: 6px; font-size: .9rem !important; }
.tier-time { font-size: .78rem; font-weight: 800; color: var(--purple); }

.cta-band {
  margin-top: 56px; padding: 40px 44px; border-radius: 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
  background: var(--grad); color: #fff; box-shadow: var(--shadow-lg);
}
.cta-band h3 { color: #fff; font-family: var(--display); font-weight: 400; font-size: 2rem; text-transform: uppercase; margin-bottom: 4px; }
.cta-band p { margin: 0; opacity: .92; font-size: 1.05rem; }

/* ============ Courses ============ */
.courses {
  background:
    radial-gradient(800px 400px at 100% 0%, rgba(165,44,255,.22), transparent 60%),
    var(--ink);
  color: #c9c1d6;
}
.sub-title { color: #fff; text-align: center; font-size: 1.4rem; margin-bottom: 28px; }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.why-card {
  background: var(--ink-2); border: 1px solid rgba(255,255,255,.08); border-radius: var(--radius); padding: 26px;
  transition: border-color .3s, transform .3s;
}
.why-card:hover { border-color: rgba(200,107,255,.55); transform: translateY(-4px); }
.why-n { display: block; font-family: var(--display); font-size: 2.4rem; line-height: 1; margin-bottom: 14px; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.why-card h4 { color: #fff; font-size: 1.08rem; }
.why-card p { margin: 0; font-size: .95rem; color: #a99fb8; }

.compare { display: grid; grid-template-columns: 1fr auto 1fr; gap: 20px; align-items: center; margin-top: 56px; }
.compare-col { border-radius: var(--radius); padding: 28px 30px; }
.compare-col h4 { font-size: 1.1rem; }
.compare-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.compare-col li { padding-left: 28px; position: relative; }
.compare-col.them { background: transparent; border: 1px dashed rgba(255,255,255,.18); }
.compare-col.them h4 { color: #8d839c; }
.compare-col.them li { color: #8d839c; text-decoration: line-through; text-decoration-color: rgba(255,255,255,.25); }
.compare-col.them li::before { content: "✕"; position: absolute; left: 0; color: #6c6578; }
.compare-col.us { background: #fff; color: var(--text); box-shadow: var(--shadow-lg); }
.compare-col.us li { font-weight: 600; }
.compare-col.us li::before { content: "✓"; position: absolute; left: 0; color: var(--purple); font-weight: 800; }
.compare-vs { font-family: var(--display); font-size: 1.6rem; color: var(--purple-2); }

/* ============ How + Explorer ============ */
.steps { list-style: none; padding: 0; margin: 0 0 110px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; position: relative; counter-reset: s; }
.steps::before {
  content: ""; position: absolute; top: 28px; left: 12%; right: 12%; height: 2px;
  background: repeating-linear-gradient(90deg, var(--purple-2) 0 8px, transparent 8px 16px); opacity: .5;
}
.step { position: relative; text-align: center; padding: 0 10px; }
.step-n {
  width: 58px; height: 58px; border-radius: 50%; margin: 0 auto 20px; display: grid; place-items: center;
  background: #fff; border: 2px solid var(--purple); color: var(--purple); font: 400 1.5rem var(--display);
  position: relative; z-index: 1; transition: background .3s, color .3s;
}
.step:hover .step-n { background: var(--grad); color: #fff; border-color: transparent; }
.step h4 { font-size: 1.15rem; }
.step p { color: var(--muted); font-size: .95rem; }

.explorer {
  display: grid; grid-template-columns: 380px 1fr; gap: 0;
  border: 1px solid var(--line); border-radius: 24px; overflow: hidden; background: #fff; box-shadow: var(--shadow);
}
.explorer-list { background: var(--bg-soft); padding: 12px; display: grid; gap: 4px; align-content: start; max-height: 620px; overflow-y: auto; }
.course-tab {
  display: flex; align-items: center; gap: 14px; width: 100%; text-align: left;
  border: 0; background: none; padding: 13px 14px; border-radius: 12px; cursor: pointer;
  font: 600 .95rem var(--body); color: var(--ink); transition: background .2s, color .2s;
}
.course-tab .ct-n { font: 400 1rem var(--display); color: var(--muted); width: 26px; flex-shrink: 0; }
.course-tab:hover { background: #fff; }
.course-tab.active { background: var(--ink); color: #fff; }
.course-tab.active .ct-n { color: var(--purple-2); }
.explorer-detail { padding: 44px; position: relative; }
.explorer-detail .cd-inner { animation: fadeUp .4s ease; }
.cd-top { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.cd-badge { font-size: .74rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; padding: 6px 12px; border-radius: 999px; background: var(--purple-tint); color: var(--purple-deep); }
.explorer-detail h3 { font-family: var(--display); font-weight: 400; text-transform: uppercase; font-size: clamp(1.8rem, 3vw, 2.5rem); }
.cd-desc { color: var(--muted); font-size: 1.05rem; }
.cd-box { margin: 26px 0; padding: 22px 24px; border-radius: var(--radius-sm); background: var(--ink); color: #fff; position: relative; overflow: hidden; }
.cd-box::after { content: ""; position: absolute; right: -40px; top: -40px; width: 140px; height: 140px; border-radius: 50%; background: var(--grad); opacity: .35; filter: blur(10px); }
.cd-box small { display: block; font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--purple-2); font-weight: 800; margin-bottom: 6px; }
.cd-box p { margin: 0; font-size: 1.12rem; font-weight: 600; position: relative; z-index: 1; }
.cd-tools small { display: block; font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); font-weight: 800; margin-bottom: 10px; }
.cd-tools div { display: flex; flex-wrap: wrap; gap: 8px; }
.cd-tools span { padding: 8px 14px; border-radius: 10px; border: 1px solid var(--line); font-weight: 700; font-size: .88rem; }
.cd-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; align-items: center; }
.cd-actions .link-arrow { font-size: .95rem; }
.fine { text-align: center; color: var(--muted); font-size: .9rem; margin-top: 18px; }

.industry {
  margin-top: 80px; padding: 44px; border-radius: 24px; background: var(--bg-soft);
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center;
}
.industry h3 { font-size: 1.8rem; }
.industry p:not(.kicker) { color: var(--muted); margin: 0; }
.industry-chips { display: flex; flex-wrap: wrap; gap: 12px; }
.industry-chips span {
  padding: 14px 20px; border-radius: 14px; background: #fff; border: 1px solid var(--line); font-weight: 700;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.industry-chips span:hover { transform: translateY(-3px) rotate(-1deg); box-shadow: var(--shadow); border-color: var(--purple); }

/* ============ FAQs ============ */
.faqs { background: var(--bg-soft); }
.faq-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 60px; align-items: start; }
.faq-grid .section-head { position: sticky; top: calc(var(--header-h) + 30px); }
.accordion { display: grid; gap: 12px; }
.accordion details { background: #fff; border: 1px solid var(--line); border-radius: 16px; transition: border-color .25s, box-shadow .25s; }
.accordion details[open] { border-color: rgba(165,44,255,.45); box-shadow: var(--shadow); }
.accordion summary {
  list-style: none; cursor: pointer; padding: 20px 60px 20px 24px; font-weight: 700; color: var(--ink); position: relative;
}
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after {
  content: "+"; position: absolute; right: 20px; top: 50%; translate: 0 -50%;
  width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center;
  background: var(--purple-tint); color: var(--purple); font-size: 1.2rem; transition: transform .3s, background .3s, color .3s;
}
.accordion details[open] summary::after { transform: rotate(45deg); background: var(--grad); color: #fff; }
.accordion details p { padding: 0 24px 20px; margin: 0; color: var(--muted); }
.accordion details p a { color: var(--purple); font-weight: 700; }

/* ============ Check-up CTA ============ */
.checkup { background: var(--ink); padding: 80px 0; overflow: hidden; }
.checkup::before { content: ""; position: absolute; inset: 0; background: radial-gradient(600px 300px at 20% 50%, rgba(165,44,255,.35), transparent 70%); }
.checkup-inner { position: relative; display: grid; grid-template-columns: auto 1fr auto; gap: 36px; align-items: center; }
.checkup h2 { color: #fff; font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 8px; }
.checkup p { color: #b9b0c7; margin: 0; font-size: 1.1rem; }
.checkup-badge {
  width: 120px; height: 120px; border-radius: 50%; display: grid; place-content: center; text-align: center;
  background: var(--grad); color: #fff; font-weight: 800; font-size: .78rem; letter-spacing: .14em; line-height: 1.1;
  animation: spin-slow 14s linear infinite; box-shadow: 0 0 0 10px rgba(165,44,255,.15);
}
.checkup-badge b { font-family: var(--display); font-weight: 400; font-size: 2.6rem; letter-spacing: 0; }
@keyframes spin-slow { 0%,100% { transform: rotate(-8deg); } 50% { transform: rotate(8deg); } }

/* ============ Contact ============ */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 60px; align-items: start; }
.contact-info > p { color: var(--muted); font-size: 1.08rem; }
.contact-list { list-style: none; padding: 0; margin: 28px 0; display: grid; gap: 16px; }
.contact-list li { display: flex; gap: 16px; align-items: center; }
.ci { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; background: var(--purple-tint); color: var(--purple); flex-shrink: 0; }
.contact-list small { display: block; font-size: .75rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); font-weight: 700; }
.contact-list a, .contact-list span { font-weight: 700; color: var(--ink); text-decoration: none; }
.contact-list a:hover { color: var(--purple); }

.contact-form {
  background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 36px; box-shadow: var(--shadow);
  display: grid; gap: 18px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form label { display: grid; gap: 8px; font-weight: 700; font-size: .9rem; color: var(--ink); }
.contact-form input, .contact-form select, .contact-form textarea {
  font: 500 1rem var(--body); color: var(--ink);
  padding: 14px 16px; border-radius: 12px; border: 1.5px solid var(--line); background: var(--bg-soft);
  transition: border-color .2s, box-shadow .2s, background .2s; width: 100%;
}
.contact-form textarea { resize: vertical; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--purple); background: #fff; box-shadow: 0 0 0 4px rgba(165,44,255,.12);
}
.contact-form .invalid { border-color: #e5484d; }
.form-status { margin: 0; font-weight: 600; min-height: 1.4em; text-align: center; }
.form-status.ok { color: #138a4a; }
.form-status.err { color: #d1343a; }

/* ============ Footer ============ */
.site-footer { background: #08070b; color: #a99fb8; padding: 70px 0 30px; }
.footer-inner { display: grid; grid-template-columns: 1fr 1.4fr; gap: 50px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.08); }
.logo-chip { display: inline-block; background: #fff; border-radius: 16px; padding: 6px 12px; margin-bottom: 18px; }
.logo-chip img { height: 64px; width: auto; }
.footer-brand p { max-width: 340px; }
.footer-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.footer-cols h5 { color: #fff; font-size: .82rem; text-transform: uppercase; letter-spacing: .14em; margin-bottom: 16px; }
.footer-cols a { display: block; text-decoration: none; padding: 5px 0; transition: color .2s; }
.footer-cols a:hover { color: var(--purple-2); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; padding-top: 26px; font-size: .88rem; }

/* ============ Floating buttons ============ */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 40; width: 58px; height: 58px; border-radius: 50%;
  display: grid; place-items: center; background: #1fae5b; color: #fff; box-shadow: 0 12px 28px -8px rgba(31,174,91,.7);
  transition: transform .25s;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 28px; height: 28px; }
.to-top {
  position: fixed; right: 30px; bottom: 92px; z-index: 40; width: 42px; height: 42px; border-radius: 50%;
  border: 0; background: var(--ink); color: #fff; font-size: 1.1rem; cursor: pointer;
  opacity: 0; pointer-events: none; transform: translateY(10px); transition: all .3s;
}
.to-top.show { opacity: 1; pointer-events: auto; transform: none; }

/* ============ Reveal ============ */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.service-card { opacity: 0; transform: translateY(28px); }
.service-card.in { opacity: 1; transform: none; }
.service-card.in:hover { transform: translateY(-6px); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal, .service-card { opacity: 1; transform: none; }
}

/* ============ Responsive ============ */
@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-card { max-width: 520px; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .explorer { grid-template-columns: 300px 1fr; }
  .checkup-inner { grid-template-columns: auto 1fr; }
  .checkup-inner .btn { grid-column: 1 / -1; justify-self: start; }
}

@media (max-width: 880px) {
  .nav-toggle {
    display: grid; gap: 5px; width: 44px; height: 44px; place-content: center;
    border: 0; background: var(--bg-soft); border-radius: 12px; cursor: pointer;
  }
  .nav-toggle span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .3s, opacity .3s; }
  .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); }
  .main-nav {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0; padding: 12px 20px 24px;
    background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 20px 30px -20px rgba(0,0,0,.25);
    transform: translateY(-120%); transition: transform .35s ease; z-index: -1;
  }
  .main-nav.open { transform: none; }
  .main-nav a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .main-nav a:not(.btn)::after { display: none; }
  .nav-cta { margin-top: 16px; }

  .intro-grid, .ways, .faq-grid, .contact-grid, .industry, .footer-inner { grid-template-columns: 1fr; }
  .hats { height: 300px; }
  .faq-grid .section-head { position: static; }
  .service-card.featured { grid-column: auto; display: block; }
  .service-card.featured .timeline-table, .service-card.featured .tiers { margin-top: 18px; }
  .steps { grid-template-columns: 1fr 1fr; row-gap: 40px; }
  .steps::before { display: none; }
  .explorer { grid-template-columns: 1fr; }
  .explorer-list { display: flex; overflow-x: auto; max-height: none; gap: 6px; scroll-snap-type: x mandatory; }
  .course-tab { flex: 0 0 auto; width: auto; white-space: nowrap; scroll-snap-align: start; }
  .explorer-detail { padding: 30px 24px; }
  .compare { grid-template-columns: 1fr; }
  .compare-vs { text-align: center; }
}

@media (max-width: 600px) {
  .container { width: calc(100% - 32px); }
  :root { --header-h: 68px; }
  .brand img { height: 48px; }
  .service-grid, .why-grid, .steps { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
  .hero-stats strong { font-size: 1.8rem; }
  .hero-stats span { font-size: .75rem; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form, .way-card, .industry { padding: 26px; }
  .cta-band { padding: 30px 26px; }
  .checkup-inner { grid-template-columns: 1fr; text-align: left; }
  .checkup-badge { width: 96px; height: 96px; }
  .checkup-badge b { font-size: 2rem; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
  .hat { padding: 10px 14px; font-size: .9rem; }
}