/* ==========================================================================
   Gutierre Menezes · Site Institucional
   Editorial, claro e navegável (distinto da página de captura "Golden Hour",
   porém na mesma identidade: Fraunces + Josefin Sans, azul petróleo + dourado).
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  --night: #162738;
  --petroleo: #1D4369;
  --ink: #17324c;
  --body: #40536a;
  --gold: #BF7733;
  --gold-ink: #8F5622;
  --gold-soft: #E8C79E;
  --gold-cta: #9C5D22;
  --sand: #F3C89F;
  --cream: #FBF7F0;
  --cream-2: #F4ECDD;
  --white: #FFFFFF;
  --line: rgba(29, 67, 105, 0.12);
  --line-strong: rgba(29, 67, 105, 0.22);
  --line-dark: rgba(243, 200, 159, 0.18);
  --shadow-sm: 0 2px 14px rgba(22, 39, 56, 0.06);
  --shadow-md: 0 14px 44px rgba(22, 39, 56, 0.10);
  --shadow-gold: 0 16px 44px rgba(191, 119, 51, 0.22);

  --font-display: 'Fraunces', Georgia, serif;
  --font-support: 'Josefin Sans', 'Segoe UI', sans-serif;
  --fs-hero: clamp(2.5rem, 5.6vw, 4.4rem);
  --fs-h2: clamp(1.95rem, 3.8vw, 2.9rem);
  --fs-h3: clamp(1.25rem, 2vw, 1.6rem);
  --fs-lead: clamp(1.12rem, 1.5vw, 1.32rem);
  --fs-body: clamp(1.02rem, 1.1vw, 1.1rem);
  --fs-eyebrow: 0.78rem;

  --nav-h: 72px;
  --gutter: clamp(1.25rem, 5vw, 3rem);
  --container: 1180px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { overflow-x: hidden; overflow-x: clip; scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 12px); }
body {
  font-family: var(--font-support);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--body);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
h1, h2, h3, h4 { font-family: var(--font-display); color: var(--petroleo); line-height: 1.1; font-weight: 420; }
::selection { background: var(--gold); color: #FFF8EF; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 4px; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.measure { max-width: 62ch; }

/* Reveal on scroll (só com JS; sem JS o conteúdo aparece normalmente) */
.js-anim [data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.js-anim [data-reveal].is-in { opacity: 1; transform: none; }
.js-anim [data-reveal][data-delay="1"] { transition-delay: 0.08s; }
.js-anim [data-reveal][data-delay="2"] { transition-delay: 0.16s; }
.js-anim [data-reveal][data-delay="3"] { transition-delay: 0.24s; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js-anim [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* ---------- 3. Eyebrow, botões, títulos ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.7rem;
  font-family: var(--font-support); font-weight: 600;
  font-size: var(--fs-eyebrow); letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--gold-ink);
}
.eyebrow::before { content: ''; width: 26px; height: 1px; background: var(--gold); }
.eyebrow--light { color: var(--sand); }
.eyebrow--light::before { background: var(--sand); }
.eyebrow--center { justify-content: center; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.55rem;
  font-family: var(--font-support); font-weight: 600; font-size: 1rem;
  letter-spacing: 0.01em;
  padding: 0.9rem 1.7rem; min-height: 48px;
  border-radius: var(--radius-pill);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background-color 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.btn svg { width: 18px; height: 18px; transition: transform 0.25s var(--ease); }
.btn-primary { background: var(--gold-cta); color: #FFF8EF; box-shadow: var(--shadow-gold); }
.btn-primary:hover { transform: translateY(-2px); background: #B06B2A; }
.btn-primary:hover svg { transform: translate(2px, -2px); }
.btn-ghost { border: 1.5px solid var(--line-strong); color: var(--petroleo); }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold-ink); }
.btn-ghost--light { border-color: rgba(243, 200, 159, 0.4); color: var(--sand); }
.btn-ghost--light:hover { border-color: var(--sand); color: #FFF8EF; }

.section { padding: clamp(4.5rem, 9vw, 8rem) 0; }
.section--tint { background: var(--cream-2); }
.section__head { max-width: 46rem; margin-bottom: clamp(2.5rem, 4vw, 3.5rem); }
.section__head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section__title { font-size: var(--fs-h2); margin-top: 1rem; }
.section__title em { font-style: normal; color: var(--gold-ink); }
.section__lead { font-size: var(--fs-lead); color: var(--body); margin-top: 1.2rem; }

/* ---------- 4. Navegação ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  transition: background-color 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav__inner { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.nav__brand { display: flex; align-items: center; gap: 0.65rem; }
.nav__brand img { width: 34px; height: auto; }
.nav__brand-name { font-family: var(--font-display); font-size: 1.05rem; color: var(--sand); line-height: 1.1; transition: color 0.35s var(--ease); }
.nav__brand-name span { display: block; font-family: var(--font-support); font-size: 0.58rem; font-weight: 600; letter-spacing: 0.22em; text-transform: uppercase; color: var(--gold); margin-top: 2px; }
.nav__links { display: flex; align-items: center; gap: 1.9rem; }
.nav__links a { font-size: 0.92rem; color: rgba(243, 200, 159, 0.82); transition: color 0.25s var(--ease); position: relative; }
.nav__links a:hover { color: #FFF8EF; }
.nav__cta { padding: 0.6rem 1.2rem; min-height: 40px; font-size: 0.9rem; }
.nav__toggle { display: none; width: 44px; height: 44px; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.nav__toggle span { display: block; width: 22px; height: 2px; background: var(--sand); border-radius: 2px; transition: transform 0.3s var(--ease), opacity 0.2s; }

/* Nav sólida ao rolar */
.nav.scrolled { background: rgba(251, 247, 240, 0.92); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom-color: var(--line); box-shadow: var(--shadow-sm); }
.nav.scrolled .nav__brand-name { color: var(--petroleo); }
.nav.scrolled .nav__links a { color: var(--body); }
.nav.scrolled .nav__links a:hover { color: var(--gold-ink); }
.nav__links a.nav__cta, .nav__links a.nav__cta:hover,
.nav.scrolled .nav__links a.nav__cta, .nav.scrolled .nav__links a.nav__cta:hover { color: #FFF8EF; }
.nav.scrolled .nav__brand img.mark--gold { display: none; }
.nav.scrolled .nav__brand img.mark--blue { display: block; }
.nav.scrolled .nav__toggle span { background: var(--petroleo); }
.nav__brand img.mark--blue { display: none; }

/* ---------- 5. Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(120% 90% at 82% -10%, rgba(191, 119, 51, 0.26), transparent 46%),
    radial-gradient(90% 80% at 0% 100%, rgba(29, 67, 105, 0.5), transparent 55%),
    linear-gradient(160deg, #172A3E 0%, #142334 60%, #101d2b 100%);
  color: #E9E2D6;
  padding: calc(var(--nav-h) + clamp(2.5rem, 6vw, 5rem)) 0 clamp(3rem, 6vw, 5.5rem);
}
.hero__grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.hero__title { font-size: var(--fs-hero); color: #F4EEE3; margin: 1.3rem 0; font-variation-settings: 'opsz' 120, 'wght' 380; }
.hero__title em { font-style: italic; color: var(--sand); }
.hero__lead { font-size: var(--fs-lead); color: rgba(233, 226, 214, 0.82); max-width: 40ch; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 2rem; }
.hero__chips { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 2.4rem; }
.hero__chip { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.5rem 1rem; border: 1px solid var(--line-dark); border-radius: var(--radius-pill); font-size: 0.82rem; color: var(--sand); background: rgba(243, 200, 159, 0.05); }
.hero__chip svg { width: 15px; height: 15px; color: var(--gold-soft); }
.hero__figure { position: relative; justify-self: center; }
.hero__photo { position: relative; width: min(30vw, 380px); border-radius: 220px 220px var(--radius-lg) var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); border: 1px solid rgba(243, 200, 159, 0.18); }
.hero__photo img { width: 100%; height: 100%; object-fit: cover; }
.hero__photo::after { content: ''; position: absolute; inset: 0; background: linear-gradient(200deg, transparent 55%, rgba(191, 119, 51, 0.24)); mix-blend-mode: screen; }
.hero__seal { position: absolute; bottom: -18px; left: -22px; background: var(--cream); color: var(--petroleo); border-radius: var(--radius); padding: 0.85rem 1.1rem; box-shadow: var(--shadow-md); display: flex; align-items: center; gap: 0.6rem; max-width: 15rem; }
.hero__seal svg { width: 26px; height: 26px; color: var(--gold); flex-shrink: 0; }
.hero__seal b { font-family: var(--font-display); font-weight: 500; color: var(--petroleo); display: block; font-size: 0.95rem; line-height: 1.15; }
.hero__seal span { font-size: 0.74rem; color: var(--body); }

/* ---------- 6. Sobre ---------- */
.about__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.about__body p { margin-top: 1.1rem; }
.about__body p:first-of-type { margin-top: 1.4rem; }
.about__pillars { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 1.8rem; }
.about__pillars span { font-family: var(--font-display); font-style: italic; color: var(--gold-ink); font-size: 1.05rem; padding: 0.3rem 0.9rem; border-left: 2px solid var(--gold); }
.about__media { position: relative; }
.about__media img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); object-fit: cover; aspect-ratio: 4 / 5; }
.about__quote { position: absolute; right: -8%; bottom: 8%; background: var(--white); border-radius: var(--radius); padding: 1.3rem 1.5rem; box-shadow: var(--shadow-md); max-width: 18rem; }
.about__quote p { font-family: var(--font-display); font-style: italic; color: var(--petroleo); font-size: 1.05rem; line-height: 1.4; }

/* ---------- 7. Formação e certificações ---------- */
.form__grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(1.5rem, 3vw, 2.2rem); }
.harvard {
  background: linear-gradient(155deg, #1a3049, #14263a); color: #E9E2D6;
  border-radius: var(--radius-lg); padding: clamp(1.8rem, 3vw, 2.6rem);
  border: 1px solid var(--line-dark); position: relative; overflow: hidden;
}
.harvard::before { content: ''; position: absolute; top: -40%; right: -20%; width: 60%; height: 120%; background: radial-gradient(closest-side, rgba(191, 119, 51, 0.22), transparent 70%); }
.harvard__label { position: relative; font-size: var(--fs-eyebrow); letter-spacing: 0.2em; text-transform: uppercase; color: var(--sand); font-weight: 600; }
.harvard__title { position: relative; color: #F4EEE3; font-size: var(--fs-h3); margin: 0.8rem 0 0.4rem; }
.harvard__prog { position: relative; color: rgba(233, 226, 214, 0.8); font-style: italic; font-family: var(--font-display); }
.harvard__meta { position: relative; display: flex; flex-wrap: wrap; gap: 0.5rem 1.4rem; margin-top: 1.2rem; font-size: 0.86rem; color: rgba(233, 226, 214, 0.72); }
.harvard__profs { position: relative; margin-top: 1.4rem; padding-top: 1.2rem; border-top: 1px solid var(--line-dark); }
.harvard__profs h4 { color: var(--sand); font-family: var(--font-support); font-weight: 600; font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: 0.7rem; }
.harvard__profs li { list-style: none; margin-top: 0.6rem; font-size: 0.92rem; color: rgba(233, 226, 214, 0.85); }
.harvard__profs li b { color: #F4EEE3; font-weight: 600; }
.cred-cards { display: flex; flex-direction: column; gap: clamp(1.5rem, 3vw, 2.2rem); }
.cred-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem 1.5rem; box-shadow: var(--shadow-sm); display: flex; gap: 1rem; align-items: flex-start; }
.cred-card svg { width: 30px; height: 30px; color: var(--gold); flex-shrink: 0; margin-top: 2px; }
.cred-card h3 { font-family: var(--font-display); font-weight: 600; color: var(--petroleo); font-size: 1.12rem; }
.cred-card p { font-size: 0.94rem; margin-top: 0.3rem; }
/* Slots de imagem de certificado */
.certs { margin-top: clamp(1.8rem, 3vw, 2.4rem); }
.certs__row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-top: 1.4rem; }
.cert-slot { aspect-ratio: 4 / 3; border: 1px dashed var(--line-strong); border-radius: var(--radius); background: var(--white); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.5rem; color: var(--body); text-align: center; padding: 1rem; }
.cert-slot svg { width: 30px; height: 30px; color: var(--gold-soft); }
.cert-slot span { font-size: 0.8rem; opacity: 0.8; }
.cert-slot img { width: 100%; height: 100%; object-fit: cover; border-radius: inherit; }

/* ---------- 8. Método / ferramentas ---------- */
.tools { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.1rem, 2vw, 1.6rem); }
.tool { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.5rem, 2.4vw, 2rem); box-shadow: var(--shadow-sm); transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease); }
.tool:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--gold-soft); }
.tool__ic { width: 52px; height: 52px; border-radius: 14px; background: rgba(191, 119, 51, 0.1); display: flex; align-items: center; justify-content: center; margin-bottom: 1.1rem; }
.tool__ic svg { width: 26px; height: 26px; color: var(--gold); }
.tool h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
.tool p { font-size: 0.96rem; }
.method__steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.2rem, 2.5vw, 2rem); margin-bottom: clamp(2.5rem, 4vw, 3.5rem); }
.mstep { position: relative; padding-left: 3.4rem; }
.mstep__n { position: absolute; left: 0; top: -4px; font-family: var(--font-display); font-size: 2.4rem; color: var(--gold-soft); line-height: 1; }
.mstep h3 { font-size: 1.2rem; margin-bottom: 0.4rem; }
.mstep p { font-size: 0.96rem; }

/* ---------- 9. Histórias / depoimentos ---------- */
.stories { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(1.2rem, 2.4vw, 1.8rem); }
.story { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.6rem, 2.6vw, 2.1rem); box-shadow: var(--shadow-sm); }
.story__q { width: 34px; height: 26px; color: var(--gold-soft); margin-bottom: 0.9rem; }
.story p { font-family: var(--font-display); font-style: italic; font-size: 1.14rem; line-height: 1.5; color: var(--ink); }
.story cite { display: block; margin-top: 1rem; font-family: var(--font-support); font-style: normal; font-size: 0.82rem; letter-spacing: 0.04em; color: var(--gold-ink); }
.videos { margin-top: clamp(2.5rem, 4vw, 3.5rem); }
.videos__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-top: 1.4rem; }
.video-slot { position: relative; aspect-ratio: 16 / 10; border-radius: var(--radius); overflow: hidden; background: linear-gradient(155deg, #1c3550, #14263a); border: 1px solid var(--line-dark); display: flex; align-items: center; justify-content: center; color: var(--sand); }
.video-slot__play { width: 58px; height: 58px; border-radius: 50%; background: rgba(191, 119, 51, 0.9); display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-gold); }
.video-slot__play svg { width: 22px; height: 22px; color: #FFF8EF; margin-left: 3px; }
.video-slot__label { position: absolute; bottom: 12px; left: 14px; font-size: 0.78rem; color: rgba(243, 200, 159, 0.85); }

/* ---------- 10. Onde atende ---------- */
.places { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(1.2rem, 2.5vw, 1.8rem); }
.place { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.6rem, 2.6vw, 2.2rem); box-shadow: var(--shadow-sm); }
.place__ic { display: inline-flex; width: 46px; height: 46px; border-radius: 12px; background: rgba(29, 67, 105, 0.08); align-items: center; justify-content: center; margin-bottom: 1rem; }
.place__ic svg { width: 24px; height: 24px; color: var(--petroleo); }
.place h3 { font-size: 1.35rem; margin-bottom: 0.5rem; }
.place p { font-size: 0.98rem; }
.place__tag { display: inline-block; margin-top: 1rem; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--gold-ink); }
.reach { margin-top: 1.8rem; font-size: 0.98rem; color: var(--body); }

/* ---------- 11. Faixa da consulta (CTA) ---------- */
.invite {
  background:
    radial-gradient(100% 120% at 80% 0%, rgba(191, 119, 51, 0.3), transparent 55%),
    linear-gradient(155deg, #1a3049, #12212f);
  color: #E9E2D6; border-radius: var(--radius-lg);
  padding: clamp(2.5rem, 5vw, 4.5rem); text-align: center;
  position: relative; overflow: hidden;
}
.invite h2 { color: #F4EEE3; font-size: var(--fs-h2); max-width: 22ch; margin: 1rem auto 1.1rem; }
.invite p { color: rgba(233, 226, 214, 0.82); font-size: var(--fs-lead); max-width: 52ch; margin: 0 auto 2rem; }

/* ---------- 12. FAQ ---------- */
.faq { max-width: 46rem; margin: 0 auto; }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__q { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem; text-align: left; padding: 1.35rem 0; font-family: var(--font-display); font-size: 1.12rem; color: var(--petroleo); }
.faq__q:hover { color: var(--gold-ink); }
.faq__ic { position: relative; width: 20px; height: 20px; flex-shrink: 0; }
.faq__ic::before, .faq__ic::after { content: ''; position: absolute; background: var(--gold); border-radius: 2px; transition: transform 0.3s var(--ease); }
.faq__ic::before { top: 9px; left: 0; width: 20px; height: 2px; }
.faq__ic::after { left: 9px; top: 0; width: 2px; height: 20px; }
.faq__q[aria-expanded="true"] .faq__ic::after { transform: scaleY(0); }
.faq__a { overflow: hidden; max-height: 0; transition: max-height 0.4s var(--ease); }
.faq__a p { padding-bottom: 1.35rem; font-size: 0.98rem; color: var(--body); max-width: 60ch; }

/* ---------- 13. Rodapé / contato ---------- */
.footer { background: linear-gradient(160deg, #15263a 0%, #101d2b 100%); color: rgba(233, 226, 214, 0.78); padding: clamp(3.5rem, 6vw, 5rem) 0 2rem; }
.footer__grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 2.5rem; }
.footer__brand img { width: 40px; margin-bottom: 1rem; }
.footer__brand p { max-width: 32ch; font-size: 0.95rem; }
.footer__col h3 { font-family: var(--font-support); color: var(--sand); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: 1rem; }
.footer__col a, .footer__col p { display: flex; align-items: center; gap: 0.5rem; font-size: 0.95rem; color: rgba(233, 226, 214, 0.78); padding: 0.3rem 0; }
.footer__col a:hover { color: #FFF8EF; }
.footer__col svg { width: 17px; height: 17px; color: var(--gold-soft); }
.footer__notice { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--line-dark); font-size: 0.84rem; color: rgba(233, 226, 214, 0.55); max-width: 70ch; }
.footer__credit { margin-top: 1rem; font-size: 0.82rem; color: rgba(233, 226, 214, 0.55); }
.footer__credit a { color: var(--sand); text-decoration: underline; text-underline-offset: 3px; }

/* CTA flutuante WhatsApp (mobile) */
.wa-float { position: fixed; right: 16px; bottom: 16px; z-index: 90; width: 56px; height: 56px; border-radius: 50%; background: #25D366; display: none; align-items: center; justify-content: center; box-shadow: 0 8px 24px rgba(0,0,0,0.25); }
.wa-float svg { width: 30px; height: 30px; color: #fff; }

/* ---------- 14. Responsivo ---------- */
@media (max-width: 900px) {
  .hero__grid, .about__grid, .form__grid { grid-template-columns: 1fr; }
  .hero__figure { order: -1; }
  .hero__photo { width: min(64vw, 300px); }
  .tools, .method__steps, .certs__row, .videos__grid, .stories, .places, .footer__grid { grid-template-columns: 1fr 1fr; }
  .about__quote { position: static; margin-top: 1rem; max-width: none; }
}
@media (max-width: 640px) {
  :root { --nav-h: 62px; }
  .nav__links { display: none; }
  .nav__links.open {
    display: flex; flex-direction: column; align-items: flex-start; gap: 1.2rem;
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    background: rgba(20, 35, 52, 0.98); backdrop-filter: blur(12px);
    padding: 1.6rem var(--gutter) 2rem; border-bottom: 1px solid var(--line-dark);
  }
  .nav__links.open a { color: var(--sand); font-size: 1.1rem; }
  .nav__links.open .nav__cta { align-self: stretch; }
  .nav__toggle { display: flex; }
  .nav.scrolled .nav__links.open { background: rgba(251, 247, 240, 0.98); }
  .nav.scrolled .nav__links.open a { color: var(--petroleo); }
  .tools, .method__steps, .certs__row, .videos__grid, .stories, .places, .footer__grid { grid-template-columns: 1fr; }
  .hero__seal { left: 0; }
  .wa-float { display: flex; }
  .mstep { padding-left: 3rem; }
}