:root {
  --navy: #071d3d;
  --ink: #102343;
  --muted: #5d6b82;
  --teal: #0797b6;
  --purple: #6932a8;
  --green: #6ead2f;
  --orange: #ff7a12;
  --line: #d9e2ef;
  --surface: #f6f9fc;
  --white: #ffffff;
  --shadow: 0 18px 45px rgba(7, 29, 61, .14);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: Inter, system-ui, -apple-system, Segoe UI, sans-serif;
  background: var(--white);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 78px;
  padding: 10px clamp(18px, 4vw, 56px);
  background: rgba(255,255,255,.92);
  border-bottom: 1px solid rgba(217,226,239,.8);
  backdrop-filter: blur(16px);
}
.brand img { width: 180px; max-height: 58px; object-fit: contain; object-position: left center; }
.nav { display: flex; align-items: center; gap: 22px; margin-left: auto; color: var(--muted); font-weight: 800; font-size: 14px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--teal); }
.header-cta, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 8px;
  padding: 0 18px;
  font-weight: 900;
}
.header-cta { color: var(--white); background: var(--purple); box-shadow: 0 10px 24px rgba(105,50,168,.24); }
.btn.primary { color: var(--white); background: var(--teal); }
.btn.ghost { color: var(--navy); border: 2px solid var(--line); background: rgba(255,255,255,.78); }
.hero {
  position: relative;
  min-height: 720px;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 70px clamp(20px, 6vw, 82px) 52px;
}
.hero-bg, .hero-overlay { position: absolute; inset: 0; }
.hero-bg { background: url('assets/hero-students.jpg') right center / cover no-repeat; transform: scale(1.02); }
.hero-overlay { background: linear-gradient(90deg, rgba(255,255,255,.98) 0%, rgba(255,255,255,.94) 34%, rgba(255,255,255,.54) 62%, rgba(255,255,255,.1) 100%); }
.hero::after, .page-hero::after, .stripe {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 14px;
  background: linear-gradient(90deg, var(--purple), var(--teal), var(--green), var(--orange));
}
.hero-content { position: relative; z-index: 2; width: min(760px, 100%); }
.hero-logo {
  display: block;
  width: min(430px, 72vw);
  max-height: 190px;
  object-fit: contain;
  object-position: left center;
  margin: 0 0 18px;
}
.eyebrow, .section-kicker { margin: 0 0 12px; color: var(--purple); font-weight: 900; text-transform: uppercase; letter-spacing: .08em; font-size: 13px; }
h1, h2, h3, h4, p, span, strong, a, li { overflow-wrap: normal; word-break: normal; hyphens: none; }
h1 { margin: 0; color: var(--navy); font-size: clamp(34px, 4.6vw, 58px); line-height: 1.08; font-weight: 900; letter-spacing: 0; }
.subtitle { margin: 8px 0 0; color: var(--navy); font-size: clamp(25px, 3vw, 42px); font-weight: 800; }
.hero-copy { max-width: 650px; color: #243653; font-size: 19px; line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.skill-strip { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 34px; }
.skill-strip span { padding: 10px 12px; border-radius: 8px; color: var(--navy); background: rgba(255,255,255,.82); border: 1px solid var(--line); font-weight: 800; }
.section { padding: 84px clamp(20px, 5vw, 72px); }
.section-inner { width: min(1180px, 100%); margin: 0 auto; }
.split { display: grid; grid-template-columns: .95fr 1.05fr; gap: 56px; align-items: center; }
h2 { margin: 0 0 18px; color: var(--navy); font-size: clamp(28px, 3vw, 42px); line-height: 1.14; letter-spacing: 0; }
.lead, .section p { font-size: 18px; line-height: 1.65; }
.challenge, .team, .soft { background: var(--surface); }
.stat-grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
.stat { display: grid; grid-template-columns: 118px 1fr; gap: 18px; align-items: center; min-height: 112px; padding: 22px; border-radius: 8px; background: var(--white); border: 1px solid var(--line); box-shadow: 0 12px 28px rgba(7,29,61,.08); }
.stat strong { display: block; color: var(--navy); font-size: clamp(38px, 4vw, 54px); line-height: 1; white-space: nowrap; }
.stat span { display: block; margin-top: 0; color: var(--muted); font-weight: 800; line-height: 1.35; }
.area-grid, .program-grid, .format-grid, .team-grid, .feature-grid { display: grid; gap: 18px; }
.area-grid { grid-template-columns: repeat(4, 1fr); margin-top: 34px; }
.area { padding: 26px; border-radius: 8px; border: 1px solid var(--line); background: var(--white); box-shadow: 0 12px 30px rgba(7,29,61,.08); }
.area .icon { display: inline-grid; place-items: center; width: 48px; height: 48px; border-radius: 50%; color: var(--white); font-weight: 900; }
.area h3 { margin: 22px 0 10px; font-size: 22px; }
.area p { margin: 0; color: var(--muted); font-size: 16px; }
.purple .icon { background: var(--purple); } .teal .icon { background: var(--teal); } .green .icon { background: var(--green); } .orange .icon { background: var(--orange); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 30px; }
.section-heading p:last-child { max-width: 430px; color: var(--muted); }
.program-grid { grid-template-columns: repeat(3, 1fr); }
.program { overflow: hidden; border-radius: 8px; border: 1px solid var(--line); background: var(--white); box-shadow: var(--shadow); }
.program { display: block; transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.program:hover { transform: translateY(-4px); border-color: rgba(7, 151, 182, .45); box-shadow: 0 22px 54px rgba(7,29,61,.18); }
.program img { width: 100%; height: 220px; object-fit: cover; display: block; }
.program div { padding: 22px; }
.program p { margin: 0 0 6px; color: var(--purple); font-weight: 900; font-size: 14px; }
.program h3 { margin: 0 0 8px; color: var(--navy); font-size: 24px; line-height: 1.15; }
.program span { color: var(--muted); font-weight: 800; }
.program strong { display: inline-block; margin-top: 18px; color: var(--teal); font-size: 14px; }
.neuro-home {
  background:
    linear-gradient(90deg, rgba(255,255,255,.96), rgba(255,255,255,.82)),
    url('assets/neurofriendly-maravillosamente.jpg') right center / cover no-repeat;
}
.neuro-mini-grid {
  display: grid;
  gap: 12px;
}
.neuro-mini-grid article {
  padding: 20px;
  border-radius: 8px;
  background: rgba(255,255,255,.9);
  border: 1px solid var(--line);
  box-shadow: 0 12px 28px rgba(7,29,61,.08);
}
.neuro-mini-grid strong {
  display: block;
  color: var(--navy);
  font-size: 20px;
  line-height: 1.2;
}
.neuro-mini-grid span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-weight: 800;
}
.neuro-explain {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.neuro-explain article {
  padding: 26px;
  border-radius: 8px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 12px 30px rgba(7,29,61,.08);
}
.neuro-explain strong {
  display: block;
  margin-bottom: 12px;
  color: var(--navy);
  font-size: 22px;
  line-height: 1.18;
}
.neuro-explain p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.58;
}
.neuro-path {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.neuro-path article {
  padding: 26px;
  border-radius: 8px;
  background: var(--white);
  border-left: 6px solid var(--teal);
  box-shadow: 0 12px 30px rgba(7,29,61,.08);
}
.neuro-path article:nth-child(2) { border-color: var(--purple); }
.neuro-path article:nth-child(3) { border-color: var(--orange); }
.neuro-path span {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  color: var(--white);
  background: var(--navy);
  font-weight: 900;
}
.neuro-path h3 {
  margin: 18px 0 8px;
  color: var(--navy);
  font-size: 23px;
  line-height: 1.15;
}
.neuro-path p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}
.neuro-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.neuro-card {
  overflow: hidden;
  border-radius: 8px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.neuro-card img {
  display: block;
  width: 100%;
  height: 210px;
  object-fit: cover;
}
.neuro-card div { padding: 22px; }
.neuro-card p {
  margin: 0 0 8px;
  color: var(--purple);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.neuro-card h3 {
  margin: 0 0 10px;
  color: var(--navy);
  font-size: 25px;
  line-height: 1.14;
}
.neuro-card span {
  display: block;
  color: var(--muted);
  font-weight: 750;
  line-height: 1.48;
}
.neuro-card ul {
  margin: 16px 0 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}
.neuro-card li { margin-bottom: 6px; }
.neuro-card li::marker { color: var(--teal); }
.neuro-card a {
  display: inline-flex;
  margin-top: 18px;
  color: var(--teal);
  font-weight: 900;
}
.neuro-hero .section-inner { max-width: 980px; }
.methodology { position: relative; min-height: 620px; color: var(--white); overflow: hidden; display: grid; align-items: center; }
.method-image { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7,29,61,.93), rgba(7,29,61,.8), rgba(7,29,61,.2)), url('assets/methodology.jpg') right center / cover no-repeat; }
.method-content { position: relative; z-index: 2; }
.methodology h2, .methodology p { color: var(--white); max-width: 730px; }
.methodology .section-kicker { color: #85d7e7; }
.method-list { display: flex; flex-wrap: wrap; gap: 10px; max-width: 900px; margin-top: 28px; }
.method-list span { border: 1px solid rgba(255,255,255,.32); border-radius: 8px; padding: 12px 14px; background: rgba(255,255,255,.12); font-weight: 800; }
.format-grid { grid-template-columns: repeat(5, 1fr); margin-top: 30px; }
.format-grid article, .feature-grid article { padding: 24px; border-radius: 8px; background: var(--surface); border-top: 5px solid var(--teal); }
.format-grid article:nth-child(1) { border-color: var(--purple); } .format-grid article:nth-child(3) { border-color: var(--green); } .format-grid article:nth-child(4) { border-color: var(--orange); }
.format-grid h3, .feature-grid h3 { margin: 0 0 12px; color: var(--navy); font-size: 21px; }
.format-grid p, .feature-grid p { margin: 0 0 18px; color: var(--muted); font-size: 15px; }
.format-grid strong { color: var(--teal); }
.team-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 30px; }
.member { display: grid; grid-template-columns: 1fr; gap: 18px; align-items: start; padding: 22px; border-radius: 8px; background: var(--white); border: 1px solid var(--line); box-shadow: 0 10px 26px rgba(7,29,61,.08); }
.member img { width: 100%; height: 280px; object-fit: cover; object-position: center; border-radius: 8px; }
.member p:first-child { margin: 0; color: var(--purple); font-size: 13px; font-weight: 900; text-transform: uppercase; }
.member h3 { margin: 6px 0 4px; color: var(--navy); font-size: 24px; line-height: 1.15; }
.member span { display: block; color: var(--teal); font-weight: 900; }
.member p:last-child { margin: 14px 0 0; color: var(--muted); font-size: 15px; }
.contact { display: grid; grid-template-columns: .8fr 1.2fr; min-height: 560px; background: var(--navy); color: var(--white); }
.contact-media { background: linear-gradient(rgba(7,29,61,.1), rgba(7,29,61,.25)), url('assets/contact-clean.jpg') center / cover no-repeat; }
.contact-content { align-self: center; padding: clamp(36px, 6vw, 76px); }
.contact h1, .contact h2, .contact p { color: var(--white); }
.contact .section-kicker { color: #8fdcec; }
.contact-links { display: grid; gap: 12px; margin-top: 28px; max-width: 520px; }
.contact-links a { display: flex; align-items: center; gap: 12px; padding: 16px 18px; border-radius: 8px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18); font-weight: 800; }
.contact-links a:hover { background: rgba(255,255,255,.18); }
.contact-links svg { width: 22px; height: 22px; flex: 0 0 auto; color: #8fdcec; }
.download-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  margin-top: 34px;
  padding: 22px;
  border-radius: 8px;
  color: var(--white);
  background: var(--navy);
}
.download-band h3 { margin: 0 0 4px; color: var(--white); font-size: 22px; }
.download-band p { margin: 0; color: rgba(255,255,255,.82); font-size: 15px; }
.download-band .btn { flex: 0 0 auto; background: var(--orange); color: var(--white); }
.more-link { margin-top: 26px; }
.whatsapp-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 18px;
  border-radius: 8px;
  color: var(--white);
  background: #25d366;
  box-shadow: 0 16px 34px rgba(7, 29, 61, .24);
  font-weight: 900;
}
.whatsapp-float svg { width: 22px; height: 22px; flex: 0 0 auto; }
.page-hero {
  position: relative;
  overflow: hidden;
  padding: 92px clamp(20px, 5vw, 72px);
  background: linear-gradient(110deg, rgba(255,255,255,.98) 0%, rgba(255,255,255,.86) 55%, rgba(255,255,255,.52) 100%), var(--hero-image) right center / cover no-repeat;
}
.page-hero .section-inner { max-width: 1180px; }
.page-hero h1 { max-width: 760px; font-size: clamp(34px, 4vw, 52px); line-height: 1.08; }
.page-hero p:not(.eyebrow) { max-width: 680px; color: #263855; font-size: 20px; line-height: 1.55; }
.feature-grid { grid-template-columns: repeat(3, 1fr); margin-top: 28px; }
.program-details { scroll-margin-top: 92px; }
.detail-layout { display: grid; grid-template-columns: minmax(0, .9fr) minmax(360px, 1.1fr); gap: 44px; align-items: start; }
.detail-panel {
  padding: 28px;
  border-radius: 8px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 12px 30px rgba(7,29,61,.08);
}
.detail-panel h3 { margin: 0 0 12px; color: var(--navy); font-size: 20px; line-height: 1.2; }
.detail-panel h3 + ul { margin-top: 0; }
.detail-panel ul { margin: 0 0 26px; padding-left: 20px; color: var(--muted); font-size: 16px; line-height: 1.65; }
.detail-panel ul:last-child { margin-bottom: 0; }
.detail-panel li::marker { color: var(--teal); }
.faq-hero {
  background:
    linear-gradient(110deg, rgba(255,255,255,.98) 0%, rgba(255,255,255,.9) 54%, rgba(255,255,255,.56) 100%),
    var(--hero-image) center 38% / cover no-repeat;
}
.faq-section { background: var(--surface); }
.faq-layout {
  display: grid;
  grid-template-columns: minmax(280px, .72fr) minmax(0, 1.28fr);
  gap: 56px;
  align-items: start;
}
.faq-intro {
  position: sticky;
  top: 112px;
}
.faq-intro > p:not(.section-kicker) { color: var(--muted); }

.shop-hero {
  position: relative;
  overflow: hidden;
  padding: 96px clamp(20px, 5vw, 72px);
  background:
    radial-gradient(circle at 88% 18%, rgba(255,122,18,.18), transparent 26%),
    radial-gradient(circle at 72% 78%, rgba(105,50,168,.15), transparent 30%),
    linear-gradient(135deg, #ffffff 0%, #f5fbfd 58%, #f8f3ff 100%);
  border-bottom: 1px solid var(--line);
}
.shop-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 14px;
  background: linear-gradient(90deg, var(--purple), var(--teal), var(--green), var(--orange));
}
.shop-hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(290px, .65fr);
  gap: 64px;
  align-items: center;
}
.launch-card {
  padding: 34px;
  border-radius: 18px;
  color: var(--white);
  background: var(--navy);
  box-shadow: 0 26px 60px rgba(7,29,61,.24);
}
.launch-label {
  display: inline-flex;
  padding: 7px 10px;
  border-radius: 999px;
  color: var(--navy);
  background: #fff2a6;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.launch-card > strong {
  display: block;
  margin-top: 26px;
  font-size: 30px;
  line-height: 1.12;
}
.launch-price {
  display: block;
  margin-top: 18px;
  color: #8fdcec;
  font-size: 42px;
  font-weight: 900;
}
.launch-price small { font-size: 15px; }
.launch-card p { margin: 8px 0 24px; color: rgba(255,255,255,.78); }
.launch-card a { color: #8fdcec; font-weight: 900; }
.shop-section { background: var(--surface); }
.shop-heading > p { max-width: 510px; }
.book-grid { display: grid; gap: 28px; }
.book-card {
  display: grid;
  grid-template-columns: minmax(220px, 310px) minmax(0, 1fr);
  gap: 38px;
  align-items: stretch;
  overflow: hidden;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
  box-shadow: 0 18px 46px rgba(7,29,61,.09);
}
.featured-book { border-color: rgba(105,50,168,.32); box-shadow: 0 22px 58px rgba(105,50,168,.14); }
.book-cover-wrap {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 390px;
  padding: 16px;
  border-radius: 14px;
  background: #eaf0f6;
}
.book-cover-wrap img {
  display: block;
  width: 100%;
  height: 390px;
  object-fit: contain;
  filter: drop-shadow(0 16px 18px rgba(7,29,61,.2));
}
.book-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 8px 11px;
  border-radius: 999px;
  color: var(--white);
  background: var(--orange);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.book-info { display: flex; flex-direction: column; padding: 12px 6px; }
.book-kind { margin: 0 0 10px !important; color: var(--purple); font-size: 13px !important; font-weight: 900; text-transform: uppercase; letter-spacing: .06em; }
.book-info h3 { margin: 0; color: var(--navy); font-size: clamp(28px, 3vw, 40px); line-height: 1.08; }
.book-author { margin: 8px 0 16px !important; color: var(--teal); font-size: 15px !important; font-weight: 900; }
.book-info > p:not(.book-kind):not(.book-author) { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.62; }
.book-features { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0 0; padding: 0; list-style: none; }
.book-features li { padding: 8px 11px; border-radius: 999px; color: var(--navy); background: var(--surface); border: 1px solid var(--line); font-size: 13px; font-weight: 800; }
.book-buy {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  margin-top: auto;
  padding-top: 28px;
}
.book-buy div span { display: block; color: var(--muted); font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
.book-buy div strong { display: block; margin-top: 5px; color: var(--navy); font-size: 25px; }
.buy-button, .notify-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 0;
  border-radius: 8px;
  font: inherit;
  font-weight: 900;
}
.buy-button[disabled] { color: #607086; background: #e7edf3; cursor: not-allowed; }
.webpay-form { margin: 0; }
.webpay-button { color: var(--white); background: var(--purple); cursor: pointer; box-shadow: 0 9px 20px rgba(105,50,168,.2); }
.webpay-button:hover { background: #57258f; transform: translateY(-1px); }
.notify-button { color: var(--white); background: var(--teal); }
.coming-soon { border-top: 1px solid var(--line); }
.shop-process { background: var(--white); }
.purchase-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 32px; }
.purchase-steps article { padding: 26px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.purchase-steps span { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; color: var(--white); background: var(--purple); font-weight: 900; }
.purchase-steps article:nth-child(2) span { background: var(--teal); }
.purchase-steps article:nth-child(3) span { background: var(--orange); }
.purchase-steps h3 { margin: 20px 0 8px; color: var(--navy); font-size: 21px; }
.purchase-steps p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.55; }
.payments-note { margin: 28px 0 0; padding: 18px 20px; border-left: 5px solid var(--orange); color: var(--muted); background: #fff8ef; font-size: 15px !important; }
.payment-page { min-height: 100vh; display: grid; place-items: center; padding: 42px 20px; background: linear-gradient(135deg, #f5fbfd, #f7f2fc); }
.payment-panel { width: min(680px, 100%); padding: 46px; border: 1px solid var(--line); border-radius: 18px; background: var(--white); box-shadow: 0 24px 60px rgba(7,29,61,.13); }
.payment-panel > img { width: 150px; height: auto; margin-bottom: 30px; }
.payment-panel h1 { margin: 8px 0 14px; color: var(--navy); font-size: clamp(34px, 6vw, 54px); line-height: 1.02; }
.payment-panel > p:not(.section-kicker) { margin: 0 0 26px; color: var(--muted); font-size: 18px; line-height: 1.65; }
.payment-download { margin: 4px 12px 22px 0; }
.payment-receipt { margin: 4px 0 24px; padding: 18px 20px; border-left: 5px solid var(--green); background: #f3faed; color: var(--navy); line-height: 1.8; }

@media (max-width: 980px) {
  .shop-hero-layout { grid-template-columns: 1fr; gap: 32px; }
  .book-card { grid-template-columns: minmax(190px, 260px) minmax(0, 1fr); gap: 26px; }
}

@media (max-width: 720px) {
  .shop-hero { padding-top: 68px; }
  .book-card { grid-template-columns: 1fr; padding: 18px; }
  .book-cover-wrap { min-height: 360px; }
  .book-cover-wrap img { height: 360px; }
  .book-buy { align-items: stretch; flex-direction: column; }
  .purchase-steps { grid-template-columns: 1fr; }
}
.faq-intro .btn { margin-top: 12px; }
.faq-list { display: grid; gap: 14px; }
.faq-list details {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--white);
  box-shadow: 0 10px 28px rgba(7,29,61,.07);
}
.faq-list summary {
  position: relative;
  padding: 23px 64px 23px 24px;
  color: var(--navy);
  font-size: 18px;
  font-weight: 900;
  line-height: 1.35;
  cursor: pointer;
  list-style: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 23px;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  color: var(--white);
  background: var(--teal);
  transform: translateY(-50%);
}
.faq-list details[open] summary::after { content: "−"; background: var(--purple); }
.faq-list details[open] summary { color: var(--purple); border-bottom: 1px solid var(--line); }
.faq-list details p {
  margin: 0;
  padding: 20px 24px 24px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}
.faq-list details p a { color: var(--teal); font-weight: 900; }
.faq-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 54px clamp(20px, 5vw, 72px);
  color: var(--white);
  background: var(--navy);
}
.faq-cta > div { max-width: 760px; }
.faq-cta h2 { color: var(--white); margin-bottom: 10px; }
.faq-cta p:not(.section-kicker) { margin: 0; color: #c7d5e9; font-size: 17px; line-height: 1.6; }
.faq-cta .section-kicker { color: #8fdcec; }
.site-footer { display: flex; justify-content: space-between; gap: 18px; padding: 24px clamp(20px, 5vw, 72px); color: var(--white); background: #05152d; font-weight: 800; }
.site-footer a { color: #8fdcec; }
@media (max-width: 980px) {
  .site-header {
    flex-wrap: wrap;
    gap: 10px 16px;
    padding: 10px 18px 12px;
  }
  .brand img { width: 150px; }
  .nav {
    order: 3;
    display: flex;
    width: 100%;
    margin-left: 0;
    gap: 14px;
    overflow-x: auto;
    padding: 4px 0 2px;
    scrollbar-width: thin;
  }
  .nav a {
    flex: 0 0 auto;
    white-space: nowrap;
    padding: 6px 2px;
  }
  .header-cta { margin-left: auto; }
  .hero-overlay { background: linear-gradient(90deg, rgba(255,255,255,.98), rgba(255,255,255,.82)); }
  .split, .contact, .detail-layout, .faq-layout { grid-template-columns: 1fr; }
  .faq-intro { position: static; }
  .area-grid, .program-grid, .format-grid, .team-grid, .feature-grid, .neuro-grid, .neuro-explain, .neuro-path { grid-template-columns: 1fr 1fr; }
  .contact-media { min-height: 260px; }
}
@media (max-width: 680px) {
  .site-header { min-height: 70px; padding: 8px 14px 10px; }
  .brand img { width: 132px; }
  .header-cta { min-height: 40px; padding: 0 12px; font-size: 13px; }
  .nav { font-size: 13px; gap: 12px; }
  .hero { padding: 66px 18px 42px; min-height: 680px; }
  .hero-logo { width: min(310px, 86vw); max-height: 140px; }
  .hero-bg { background-position: 62% center; }
  .hero-overlay { background: linear-gradient(180deg, rgba(255,255,255,.98) 0%, rgba(255,255,255,.91) 58%, rgba(255,255,255,.74) 100%); }
  .hero-copy, .lead, .section p { font-size: 16px; }
  .btn { width: 100%; }
  .download-band { display: block; }
  .download-band .btn { width: 100%; margin-top: 16px; }
  .section, .page-hero { padding: 58px 18px; }
  .stat-grid, .area-grid, .program-grid, .format-grid, .team-grid, .feature-grid, .neuro-grid, .neuro-explain, .neuro-path { grid-template-columns: 1fr; }
  .stat { grid-template-columns: 1fr; min-height: auto; }
  .stat strong { font-size: 42px; }
  .section-heading { display: block; }
  .program img { height: 190px; }
  .member { grid-template-columns: 1fr; }
  .member img { width: 100%; height: 300px; }
  .site-footer { display: block; }
  .site-footer a { display: inline-block; margin-top: 10px; }
  .faq-cta { display: block; padding: 44px 18px; }
  .faq-cta .btn { margin-top: 22px; }
  .faq-list summary { padding: 20px 58px 20px 18px; font-size: 16px; }
  .faq-list details p { padding: 18px; }
  .whatsapp-float { right: 14px; bottom: 14px; min-height: 48px; padding: 0 14px; }
}