/* ============================================================
   Instituto Natália Ribeiro — Landing Page
   Paleta editorial: mocha · rosewood · marfim · linho · bege
   ============================================================ */

:root {
  --ivory:    #F8F3EC;   /* fundo principal, marfim */
  --cream:    #F2EADD;   /* creme suave */
  --linen:    #EADFCE;   /* bege envelope */
  --sand:     #E1D2C0;
  --blush:    #D5BFAE;
  --rosewood: #A67E6E;   /* acento — rosé amarronzado (títulos dela) */
  --rose:     #B58E80;
  --mocha:    #8B6C57;   /* marrom da marca (fundo do logo) */
  --mocha-d:  #6F5340;
  --taupe:    #6F5848;
  --cocoa:    #4A3A2F;
  --espresso: #382C24;
  --ink:      #271E19;
  --gold:     #B08A5B;

  --line:     rgba(80, 60, 46, .14);
  --line-2:   rgba(80, 60, 46, .22);
  --shadow:   0 30px 70px -32px rgba(45, 34, 26, .5);
  --shadow-sm:0 16px 40px -22px rgba(45, 34, 26, .42);

  --serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --sans:  'Jost', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --container: 1200px;
}

/* ---------- Reset ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--sans);
  color: var(--cocoa);
  background: var(--ivory);
  line-height: 1.7;
  font-weight: 300;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.06; color: var(--espresso); letter-spacing: .2px; }
em { font-style: italic; }

.container { width: min(var(--container), 90%); margin-inline: auto; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 1s cubic-bezier(.2,.7,.2,1), transform 1s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* ---------- Eyebrow ---------- */
.eyebrow {
  font-family: var(--sans);
  text-transform: uppercase;
  letter-spacing: .38em;
  font-size: .7rem;
  font-weight: 500;
  color: var(--rosewood);
  margin-bottom: 1.2rem;
}
.eyebrow.light { color: var(--blush); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  font-family: var(--sans);
  font-weight: 500;
  font-size: .78rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  padding: 1.1em 2.3em;
  border-radius: 999px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .35s ease, background .35s ease, color .35s ease, box-shadow .35s ease, border-color .35s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--mocha); color: var(--ivory); box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--espresso); transform: translateY(-2px); }
.btn-outline { background: transparent; border-color: var(--line-2); color: var(--taupe); }
.btn-outline:hover { background: var(--mocha); color: var(--ivory); border-color: var(--mocha); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--taupe); border-color: var(--line-2); }
.btn-ghost:hover { border-color: var(--mocha); color: var(--espresso); }
.btn-nav { padding: .72em 1.6em; background: var(--espresso); color: var(--ivory); font-size: .68rem; }
.btn-nav:hover { background: var(--mocha); }
.btn-light { background: var(--ivory); color: var(--espresso); }
.btn-light:hover { background: var(--linen); transform: translateY(-2px); }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: 1.3rem 0;
  transition: background .4s ease, box-shadow .4s ease, padding .4s ease;
}
.site-header.scrolled {
  background: rgba(248, 243, 236, .9);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--line);
  padding: .75rem 0;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }

/* Logo lockup horizontal (monograma + nome) */
.brand { display: flex; align-items: center; gap: 1rem; }
.brand-monogram {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 2.1rem;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--espresso);
  display: inline-flex;
  align-items: baseline;
}
.mono-r { margin-left: -.18em; font-style: italic; }
.brand-divider { width: 1px; height: 30px; background: var(--line-2); }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-family: var(--serif); font-size: 1.15rem; color: var(--espresso); font-weight: 400; letter-spacing: .5px; }
.brand-tag { font-family: var(--sans); font-size: .54rem; letter-spacing: .42em; text-transform: uppercase; color: var(--rosewood); margin-top: 2px; }

.nav { display: flex; align-items: center; gap: 2.1rem; }
.nav a:not(.btn) {
  font-family: var(--sans);
  font-size: .82rem;
  letter-spacing: .06em;
  color: var(--cocoa);
  font-weight: 400;
  position: relative;
  transition: color .3s ease;
}
.nav a:not(.btn)::after { content: ''; position: absolute; left: 0; bottom: -6px; width: 0; height: 1px; background: var(--rosewood); transition: width .3s ease; }
.nav a:not(.btn):hover { color: var(--espresso); }
.nav a:not(.btn):hover::after { width: 100%; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; z-index: 101; }
.nav-toggle span { width: 26px; height: 2px; background: var(--espresso); border-radius: 2px; transition: transform .3s ease, opacity .3s ease; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO — split editorial com foto
   ============================================================ */
.hero {
  position: relative;
  padding: 10.5rem 0 5.5rem;
  background:
    radial-gradient(90% 80% at 100% 0%, var(--linen) 0%, transparent 55%),
    linear-gradient(165deg, var(--ivory) 0%, var(--cream) 60%, var(--sand) 130%);
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 4rem;
  align-items: center;
}
.hero-copy { position: relative; z-index: 2; }
.hero-title {
  font-size: clamp(2.8rem, 5.6vw, 4.9rem);
  font-weight: 400;
  letter-spacing: -.5px;
  margin: .4rem 0 1.7rem;
  color: var(--espresso);
}
.hero-title em { font-style: italic; color: var(--rosewood); }
.hero-sub {
  font-size: clamp(1.02rem, 1.6vw, 1.2rem);
  max-width: 520px;
  color: var(--taupe);
  font-weight: 300;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin: 2.4rem 0 2.8rem; }
.hero-badges { display: flex; align-items: center; gap: 1.8rem; flex-wrap: wrap; }
.badge { display: flex; flex-direction: column; }
.badge strong { font-family: var(--serif); font-size: 1.8rem; color: var(--espresso); font-weight: 500; line-height: 1; }
.badge span { font-size: .74rem; color: var(--taupe); letter-spacing: .04em; margin-top: .35rem; }
.badge:first-of-type .stars-inline { color: var(--gold); letter-spacing: .12em; }
.badge-divider { width: 1px; height: 46px; background: var(--line-2); }

/* Foto do hero em arco */
.hero-media { position: relative; }
.hero-photo {
  position: relative;
  aspect-ratio: 4 / 4.7;
  border-radius: 260px 260px 26px 26px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: linear-gradient(160deg, var(--sand), var(--blush));
  z-index: 2;
}
.hero-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 20%; }
.hero-media::before {
  content: '';
  position: absolute;
  inset: -8% -6% -6% -8%;
  border-radius: 300px 300px 40px 40px;
  border: 1px solid var(--blush);
  z-index: 1;
  opacity: .6;
}
.hero-tagchip {
  position: absolute;
  left: -20px; bottom: 40px;
  z-index: 3;
  background: var(--ivory);
  border-radius: 16px;
  padding: .95rem 1.25rem;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: .7rem;
  max-width: 220px;
}
.hero-tagchip .tc-mono { font-family: var(--serif); font-size: 2rem; color: var(--mocha); line-height: .8; }
.hero-tagchip span { font-size: .74rem; color: var(--taupe); line-height: 1.35; }

/* ============================================================
   MANIFESTO
   ============================================================ */
.manifesto {
  background: linear-gradient(120deg, var(--mocha-d) 0%, var(--mocha) 32%, var(--rosewood) 62%, var(--rose) 82%, var(--mocha) 100%);
  background-size: 260% 260%;
  animation: manifestoShift 20s ease-in-out infinite;
  color: var(--ivory);
  text-align: center;
  padding: 7.5rem 0;
  position: relative;
  overflow: hidden;
}
@keyframes manifestoShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
.manifesto .container { position: relative; z-index: 2; }

/* Marca d'água com o nome */
.manifesto-watermark {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(5rem, 20vw, 20rem);
  line-height: 1;
  white-space: nowrap;
  color: rgba(255, 255, 255, .07);
  letter-spacing: -.02em;
  z-index: 1;
  pointer-events: none;
  user-select: none;
}
/* Brilho suave que flutua sobre o fundo */
.manifesto-glow {
  position: absolute;
  width: 55%; aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.22) 0%, transparent 68%);
  filter: blur(30px);
  z-index: 1;
  pointer-events: none;
  animation: manifestoGlow 16s ease-in-out infinite;
}
@keyframes manifestoGlow {
  0%   { left: 5%;  top: 12%; opacity: .5; }
  50%  { left: 62%; top: 45%; opacity: .85; }
  100% { left: 5%;  top: 12%; opacity: .5; }
}
@media (prefers-reduced-motion: reduce) {
  .manifesto { animation: none; }
  .manifesto-glow { animation: none; opacity: .6; left: 55%; top: 20%; }
}
.manifesto-quote {
  font-family: var(--serif);
  font-size: clamp(2rem, 4.8vw, 3.5rem);
  font-weight: 400;
  line-height: 1.16;
  color: #fff;
}
.manifesto-quote em { font-style: italic; }
.manifesto-quote span { opacity: .82; }
.manifesto-sub {
  max-width: 560px;
  margin: 1.8rem auto 0;
  font-size: 1.05rem;
  color: rgba(248,243,236,.9);
  font-weight: 300;
}

/* ============================================================
   SOBRE — editorial com cartão bege (estilo post real)
   ============================================================ */
.sobre { padding: 7.5rem 0; background: var(--ivory); }
.sobre-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 4.5rem; align-items: center; }

/* Cartão "envelope" bege recriando o post da marca */
.sobre-card {
  position: relative;
  background: var(--linen);
  border: 1px solid rgba(139,108,87,.2);
  border-radius: 8px;
  padding: 3.5rem 2.6rem 2.8rem;
  box-shadow: var(--shadow);
  text-align: center;
}
.sobre-card::before {
  content: '';
  position: absolute;
  top: 18px; left: 50%; transform: translateX(-50%);
  width: 46px; height: 46px;
  border: 1px solid rgba(139,108,87,.4);
  border-radius: 50%;
}
.sobre-card-eyebrow {
  font-family: var(--sans);
  text-transform: uppercase;
  letter-spacing: .34em;
  font-size: .6rem;
  color: var(--taupe);
  margin-bottom: 1.6rem;
}
.sobre-card-eyebrow strong { color: var(--espresso); font-weight: 600; }
.sobre-card-quote {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  line-height: 1.24;
  color: var(--mocha-d);
  font-weight: 400;
}
.sobre-card-quote em { font-style: italic; color: var(--rosewood); }
.sobre-card-sign {
  margin-top: 1.8rem;
  font-family: var(--sans);
  font-size: .62rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--taupe);
}
.sobre-card-sign strong { color: var(--espresso); font-weight: 600; }

.sobre-content h2 { font-size: clamp(2.1rem, 4vw, 3.1rem); margin-bottom: 1.4rem; }
.sobre-content > p { margin-bottom: 1.15rem; color: var(--taupe); font-size: 1.06rem; }
.sobre-content strong { color: var(--espresso); font-weight: 500; }
.sobre-stats { display: flex; gap: 2.4rem; margin: 2rem 0; flex-wrap: wrap; }
.sobre-stat strong { display: block; font-family: var(--serif); font-size: 2.4rem; color: var(--mocha); line-height: 1; font-weight: 500; }
.sobre-stat span { font-size: .8rem; color: var(--taupe); letter-spacing: .04em; }
.sobre-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .7rem 1.4rem;
  margin: 0 0 2.2rem;
}
.sobre-list li { position: relative; padding-left: 1.6rem; font-size: .95rem; color: var(--cocoa); }
.sobre-list li::before { content: ''; position: absolute; left: 0; top: .62em; width: 7px; height: 7px; border-radius: 50%; background: var(--rosewood); }

/* ============================================================
   SERVIÇOS
   ============================================================ */
.servicos { padding: 7.5rem 0; background: linear-gradient(180deg, var(--ivory) 0%, var(--cream) 100%); }
.section-head { text-align: center; max-width: 660px; margin: 0 auto 3.8rem; }
.section-head h2 { font-size: clamp(2.1rem, 4.4vw, 3.3rem); }
.section-lead { margin-top: 1.15rem; color: var(--taupe); font-size: 1.05rem; }

.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.3rem; }
.card {
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 2.3rem 1.7rem;
  transition: transform .4s ease, box-shadow .4s ease, border-color .4s ease, background .4s ease;
}
.card:hover { transform: translateY(-7px); box-shadow: var(--shadow); border-color: transparent; }
.card-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: linear-gradient(150deg, var(--linen), var(--blush));
  display: grid; place-items: center;
  color: var(--mocha-d);
  margin-bottom: 1.4rem;
}
.card-icon svg { width: 27px; height: 27px; }
.card h3 { font-size: 1.42rem; margin-bottom: .6rem; }
.card p { font-size: .91rem; color: var(--taupe); }

/* ============================================================
   TRATAMENTOS
   ============================================================ */
.tratamentos { padding: 7.5rem 0; }
.tratamentos-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 4.5rem; align-items: center; }
.tratamentos-intro h2 { font-size: clamp(2.1rem, 4vw, 3.1rem); margin-bottom: 1.3rem; }
.tratamentos-intro h2 em { font-style: italic; color: var(--rosewood); }
.tratamentos-intro p { color: var(--taupe); font-size: 1.08rem; margin-bottom: 2rem; }
.tratamentos-list { display: flex; flex-wrap: wrap; gap: .7rem; }
.chip {
  font-family: var(--sans);
  font-size: .86rem;
  font-weight: 400;
  color: var(--taupe);
  background: var(--cream);
  border: 1px solid var(--line);
  padding: .72em 1.35em;
  border-radius: 999px;
  transition: background .3s ease, color .3s ease, transform .3s ease, border-color .3s ease;
}
.chip:hover { background: var(--mocha); color: var(--ivory); transform: translateY(-2px); border-color: transparent; }

/* ============================================================
   DIFERENCIAIS
   ============================================================ */
.diferenciais { padding: 7.5rem 0; background: var(--espresso); color: var(--ivory); }
.diferenciais .eyebrow { color: var(--blush); }
.diferenciais h2 { color: var(--ivory); font-size: clamp(2.1rem, 4.4vw, 3.3rem); }
.dif-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
.dif { padding-top: 1.7rem; border-top: 1px solid rgba(213,191,174,.25); }
.dif-num { font-family: var(--serif); font-size: 1.6rem; color: var(--blush); display: block; margin-bottom: 1rem; font-style: italic; }
.dif h3 { color: var(--ivory); font-size: 1.5rem; margin-bottom: .6rem; }
.dif p { font-size: .93rem; color: rgba(248,243,236,.72); }

/* ============================================================
   DEPOIMENTOS
   ============================================================ */
.depoimentos { padding: 7.5rem 0; background: linear-gradient(180deg, var(--cream), var(--linen)); }
.stars-line { display: flex; align-items: center; gap: .7rem; justify-content: center; margin-top: 1rem; font-size: .9rem; color: var(--taupe); flex-wrap: wrap; }
.stars { color: var(--gold); letter-spacing: .15em; font-size: 1rem; }
.depo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.depo {
  background: var(--ivory);
  border-radius: 18px;
  padding: 2.3rem 2rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.depo p { font-family: var(--serif); font-size: 1.3rem; font-style: italic; color: var(--cocoa); line-height: 1.42; }
.depo cite { font-style: normal; font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--rosewood); font-weight: 500; }

/* ============================================================
   CURSOS
   ============================================================ */
.cursos {
  padding: 7.5rem 0;
  background:
    radial-gradient(100% 120% at 12% 15%, var(--taupe) 0%, transparent 58%),
    linear-gradient(135deg, var(--cocoa), var(--espresso));
  color: var(--ivory);
  text-align: center;
}
.cursos-inner { max-width: 640px; margin-inline: auto; }
.cursos h2 { color: var(--ivory); font-size: clamp(2.2rem, 5vw, 3.5rem); margin-bottom: 1.3rem; }
.cursos h2 em { font-style: italic; color: var(--blush); }
.cursos p { color: rgba(248,243,236,.8); font-size: 1.08rem; margin-bottom: 2.2rem; }

/* ============================================================
   CONTATO
   ============================================================ */
.contato { padding: 7.5rem 0; }
.contato-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: stretch; }
.contato-info h2 { font-size: clamp(2.1rem, 4vw, 3.1rem); margin-bottom: 1.2rem; }
.contato-lead { color: var(--taupe); font-size: 1.05rem; margin-bottom: 2rem; }
.contato-list { list-style: none; display: flex; flex-direction: column; gap: 1.4rem; margin-bottom: 2.2rem; }
.contato-list li { display: flex; gap: 1rem; align-items: flex-start; }
.ci {
  flex-shrink: 0;
  width: 46px; height: 46px;
  border-radius: 12px;
  background: linear-gradient(150deg, var(--linen), var(--blush));
  display: grid; place-items: center;
  color: var(--mocha-d);
}
.ci svg { width: 22px; height: 22px; }
.contato-list strong { display: block; font-family: var(--serif); font-size: 1.18rem; color: var(--espresso); font-weight: 500; margin-bottom: .1rem; }
.contato-list div { font-size: .95rem; color: var(--taupe); line-height: 1.5; }
.contato-list a { color: var(--rosewood); transition: color .3s ease; }
.contato-list a:hover { color: var(--espresso); }
.contato-actions { display: flex; flex-wrap: wrap; gap: 1rem; }
.contato-map {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
  min-height: 460px;
  border: 1px solid var(--line);
}
.contato-map iframe { width: 100%; height: 100%; min-height: 460px; border: 0; filter: grayscale(.15) sepia(.18) saturate(1.05); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { background: var(--ink); color: var(--blush); padding: 4.8rem 0 2rem; }
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: 2.5rem; padding-bottom: 3rem; border-bottom: 1px solid rgba(213,191,174,.16); }
.footer-mono { color: var(--ivory); font-size: 2.8rem; }
.footer-brand .brand-name { color: var(--ivory); font-size: 1.35rem; margin-top: .6rem; }
.footer-tag { font-size: .78rem; color: var(--blush); letter-spacing: .04em; margin-top: .3rem; }
.footer-nav { display: flex; flex-direction: column; gap: .7rem; }
.footer-nav a { font-size: .9rem; color: var(--blush); transition: color .3s ease; }
.footer-nav a:hover { color: var(--ivory); }
.footer-contact p { font-size: .9rem; color: var(--blush); margin-bottom: .7rem; line-height: 1.5; }
.footer-contact a { color: var(--rose); transition: color .3s ease; }
.footer-contact a:hover { color: var(--ivory); }
.footer-ig { display: inline-block; margin-top: .3rem; }
.footer-base { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding-top: 1.6rem; font-size: .76rem; color: rgba(213,191,174,.55); }

/* ============================================================
   FLOATING WHATSAPP
   ============================================================ */
.wa-float {
  position: fixed;
  right: 22px; bottom: 22px;
  z-index: 90;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 14px 30px -8px rgba(37,211,102,.6);
  transition: transform .3s ease;
  animation: waPulse 2.8s infinite;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 32px; height: 32px; }
@keyframes waPulse {
  0% { box-shadow: 0 0 0 0 rgba(37,211,102,.5), 0 14px 30px -8px rgba(37,211,102,.6); }
  70% { box-shadow: 0 0 0 16px rgba(37,211,102,0), 0 14px 30px -8px rgba(37,211,102,.6); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0), 0 14px 30px -8px rgba(37,211,102,.6); }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1000px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .dif-grid { grid-template-columns: repeat(2, 1fr); gap: 2rem 1.8rem; }
  .hero-inner { grid-template-columns: 1fr; gap: 3rem; }
  .hero-media { max-width: 420px; margin-inline: auto; width: 100%; }
  .sobre-grid, .tratamentos-grid, .contato-grid { grid-template-columns: 1fr; gap: 3rem; }
  .sobre-card { max-width: 500px; margin-inline: auto; width: 100%; }
  .depo-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(320px, 82%);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 1.6rem;
    background: var(--ivory);
    padding: 2rem 2.4rem;
    box-shadow: -20px 0 60px -20px rgba(45,34,26,.4);
    transform: translateX(105%);
    transition: transform .4s cubic-bezier(.5,.05,.2,1);
  }
  .nav.open { transform: translateX(0); }
  .nav a:not(.btn) { font-size: 1.1rem; }
  .btn-nav { align-self: stretch; }
  .nav-toggle { display: flex; }
  .site-header { background: rgba(248,243,236,.92); backdrop-filter: blur(12px); }
  .hero { padding: 8.5rem 0 4.5rem; }
  .cards { grid-template-columns: 1fr; }
  .dif-grid { grid-template-columns: 1fr; }
  .sobre-list { grid-template-columns: 1fr; }
  .hero-badges { gap: 1.2rem; }
  .badge-divider { display: none; }
  .brand-text { display: none; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-base { flex-direction: column; gap: .4rem; }
}

@media (max-width: 420px) {
  .btn { padding: 1em 1.7em; font-size: .74rem; }
  .hero-tagchip { left: 8px; }
  .sobre-card { padding: 3rem 1.6rem 2.4rem; }
}