/*
Theme Name:  Etherna
Theme URI:   https://clinicaetherna.org
Author:      Clínica Etherna
Author URI:  https://clinicaetherna.org
Description: Tema premium para a Clínica Etherna — Funchal, Madeira. Medicina Integrativa & Estética. Questrial + Montserrat. Paleta Gold · Rose · Sage · Black.
Version:     2.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License:     GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: etherna
Tags:        full-width-template, custom-colors, custom-menu, featured-images, gutenberg-blocks
*/

/* ══════════════════════════════════════════════════════════════════
   CLÍNICA ETHERNA — Tema WordPress v2.0
   Questrial (títulos) + Montserrat (corpo)
   Gold #C9A96E · Black #1A1A1A · Rose #D4919A · Sage #8DAF93
   ══════════════════════════════════════════════════════════════════ */

/* ── CSS Custom Properties ──────────────────────────────────────── */
:root {
  /* Dourados */
  --eth-gold-light:     #F0D898;
  --eth-gold:           #C9A96E;
  --eth-gold-dark:      #9E7A45;
  --eth-gold-border:    rgba(201,169,110,0.30);

  /* Pretos */
  --eth-black:          #1A1A1A;
  --eth-black-soft:     #3A3835;
  --eth-black-mid:      #4A4846;

  /* Rosas */
  --eth-rose-blush:     #FDF0F2;
  --eth-rose-pale:      #F5E6E8;
  --eth-rose-soft:      #E8B4BA;
  --eth-rose:           #D4919A;
  --eth-rose-deep:      #B5687A;

  /* Sage */
  --eth-sage-pale:      #EDF3EE;
  --eth-sage-soft:      #C2D9C6;
  --eth-sage:           #8DAF93;
  --eth-sage-deep:      #5A8B63;

  /* Neutros */
  --eth-cream:          #FAF8F5;
  --eth-cream-warm:     #F0EBE3;
  --eth-white:          #FFFFFF;

  /* Texto */
  --eth-text:           #1A1A1A;
  --eth-text-mid:       #4A4846;
  --eth-text-light:     #808080;
  --eth-text-muted:     #BBBBBB;

  /* Tipografia */
  --eth-font-title:     'Questrial', sans-serif;
  --eth-font-body:      'Montserrat', sans-serif;

  /* Layout */
  --eth-side-pad:       clamp(1.5rem, 8vw, 7rem);
  --eth-max-width:      1280px;
  --eth-radius:         4px;

  /* Animação */
  --eth-ease:           cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --eth-ease-bounce:    cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ── Reset & Base ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--eth-font-body);
  font-weight: 300;
  color: var(--eth-text);
  background-color: var(--eth-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ── Tipografia ─────────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6,
.wp-element-heading {
  font-family: var(--eth-font-title) !important;
  font-weight: 400 !important;
  line-height: 1.3;
  color: var(--eth-text);
}
h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.2rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.9rem; }

p {
  font-family: var(--eth-font-body);
  font-size: 1rem;
  line-height: 1.9;
  color: var(--eth-text-mid);
  font-weight: 300;
}

a {
  color: var(--eth-gold);
  text-decoration: none;
  transition: color 0.3s var(--eth-ease);
}
a:hover { color: var(--eth-gold-dark); }

img { max-width: 100%; height: auto; display: block; }

/* ── Scrollbar personalizada ────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--eth-cream); }
::-webkit-scrollbar-thumb { background: var(--eth-gold); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--eth-gold-dark); }

/* ── Seleção de texto ───────────────────────────────────────────── */
::selection { background: var(--eth-gold); color: var(--eth-black); }

/* ══════════════════════════════════════════════════════════════════
   HEADER / NAVEGAÇÃO
   ══════════════════════════════════════════════════════════════════ */
.etherna-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background 0.4s var(--eth-ease), padding 0.4s var(--eth-ease), box-shadow 0.4s var(--eth-ease);
  padding: 1.5rem var(--eth-side-pad);
}
.etherna-header.transparent { background: transparent; }
.etherna-header.scrolled {
  background: rgba(26,26,26,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 1rem var(--eth-side-pad);
  box-shadow: 0 2px 40px rgba(0,0,0,0.25);
}

.etherna-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--eth-max-width);
  margin: 0 auto;
  gap: 2rem;
}

/* Logo */
.etherna-logo { display: flex; align-items: center; flex-shrink: 0; }
.etherna-logo img { height: 44px; width: auto; transition: height 0.4s var(--eth-ease); }
.etherna-header.scrolled .etherna-logo img { height: 36px; }
.etherna-logo-text {
  font-family: var(--eth-font-title);
  font-size: 1.4rem;
  color: var(--eth-white);
  letter-spacing: 0.08em;
}

/* Nav */
.etherna-nav ul {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  list-style: none;
}
.etherna-nav ul li { position: relative; }
.etherna-nav ul li a {
  font-family: var(--eth-font-body);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  padding: 0.6rem 0.9rem;
  display: block;
  transition: color 0.3s var(--eth-ease);
}
.etherna-nav ul li a:hover { color: var(--eth-gold); }

/* Dropdown */
.etherna-nav ul li:hover > ul { opacity: 1; visibility: visible; transform: translateY(0); }
.etherna-nav ul ul {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 220px;
  background: rgba(26,26,26,0.97);
  backdrop-filter: blur(12px);
  border-top: 2px solid var(--eth-gold);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.3s var(--eth-ease);
  z-index: 100;
}
.etherna-nav ul ul li a {
  padding: 0.7rem 1.2rem;
  font-size: 0.68rem;
  color: rgba(255,255,255,0.75);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.etherna-nav ul ul li a:hover { color: var(--eth-gold); background: rgba(201,169,110,0.06); }

/* CTA Agendar */
.etherna-nav-cta a {
  background: var(--eth-gold) !important;
  color: var(--eth-black) !important;
  padding: 0.65rem 1.5rem !important;
  font-weight: 500 !important;
  letter-spacing: 0.2em !important;
  transition: background 0.3s var(--eth-ease) !important;
}
.etherna-nav-cta a:hover { background: var(--eth-gold-dark) !important; color: var(--eth-white) !important; }

/* Hamburger mobile */
.etherna-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.etherna-hamburger span {
  display: block;
  width: 26px;
  height: 1.5px;
  background: var(--eth-white);
  transition: all 0.3s var(--eth-ease);
}
.etherna-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 4.5px); }
.etherna-hamburger.open span:nth-child(2) { opacity: 0; }
.etherna-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -4.5px); }

/* Mobile nav drawer */
.etherna-mobile-nav {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(26,26,26,0.98);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  opacity: 0;
  transition: opacity 0.4s var(--eth-ease);
}
.etherna-mobile-nav.open { display: flex; opacity: 1; }
.etherna-mobile-nav ul { list-style: none; text-align: center; }
.etherna-mobile-nav ul li a {
  font-family: var(--eth-font-title);
  font-size: clamp(1.4rem, 5vw, 2rem);
  color: var(--eth-white);
  display: block;
  padding: 0.8rem 2rem;
  transition: color 0.3s var(--eth-ease);
}
.etherna-mobile-nav ul li a:hover { color: var(--eth-gold); }
.etherna-mobile-nav-cta {
  margin-top: 2rem;
  background: var(--eth-gold);
  color: var(--eth-black);
  font-family: var(--eth-font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  padding: 1rem 3rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}

/* ══════════════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════════════ */
.etherna-footer {
  background: var(--eth-black);
  padding: 5rem var(--eth-side-pad) 2rem;
}
.etherna-footer-grid {
  max-width: var(--eth-max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.etherna-footer-brand img { height: 48px; width: auto; margin-bottom: 1.5rem; }
.etherna-footer-brand-name {
  font-family: var(--eth-font-title);
  font-size: 1.3rem;
  color: var(--eth-white);
  margin-bottom: 1rem;
}
.etherna-footer-desc {
  font-size: 0.85rem;
  line-height: 1.9;
  color: rgba(255,255,255,0.45);
  font-weight: 300;
  margin-bottom: 1.5rem;
}
.etherna-footer-social { display: flex; gap: 1rem; }
.etherna-footer-social a {
  width: 38px; height: 38px;
  border: 1px solid rgba(255,255,255,0.15);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  transition: all 0.3s var(--eth-ease);
}
.etherna-footer-social a:hover { border-color: var(--eth-gold); color: var(--eth-gold); }

.etherna-footer-col h4 {
  font-family: var(--eth-font-body);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--eth-gold);
  margin-bottom: 1.5rem;
}
.etherna-footer-col ul { list-style: none; }
.etherna-footer-col ul li { margin-bottom: 0.6rem; }
.etherna-footer-col ul li a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
  font-weight: 300;
  transition: color 0.3s var(--eth-ease);
}
.etherna-footer-col ul li a:hover { color: var(--eth-gold); }
.etherna-footer-col p {
  font-size: 0.82rem;
  line-height: 1.9;
  color: rgba(255,255,255,0.4);
  font-weight: 300;
}
.etherna-footer-col p strong { color: rgba(255,255,255,0.65); font-weight: 400; }

.etherna-footer-bottom {
  max-width: var(--eth-max-width);
  margin: 0 auto;
  padding-top: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.etherna-footer-copy {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.25);
  font-weight: 300;
  letter-spacing: 0.05em;
}
.etherna-footer-legal { display: flex; gap: 1.5rem; }
.etherna-footer-legal a {
  font-size: 0.68rem;
  color: rgba(255,255,255,0.25);
  font-weight: 300;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.3s;
}
.etherna-footer-legal a:hover { color: var(--eth-gold); }

/* ══════════════════════════════════════════════════════════════════
   CONTEÚDO PRINCIPAL
   ══════════════════════════════════════════════════════════════════ */
.etherna-main {
  padding-top: 0; /* páginas com hero full-height */
  min-height: 60vh;
}

/* Largura máxima para conteúdo inline */
.etherna-content-wrap {
  max-width: var(--eth-max-width);
  margin: 0 auto;
  padding: 5rem var(--eth-side-pad);
}

/* ══════════════════════════════════════════════════════════════════
   GUTENBERG — OVERRIDES & MELHORIAS
   ══════════════════════════════════════════════════════════════════ */

/* Alinhamento full */
.wp-block-cover.alignfull,
.wp-block-group.alignfull,
.wp-block-columns.alignfull {
  max-width: 100% !important;
  width: 100% !important;
}

/* Wide */
.alignwide { max-width: min(var(--eth-max-width), calc(100% - 2rem)); margin-left: auto; margin-right: auto; }

/* Separadores */
.sep-gold  { background-color: var(--eth-gold)      !important; border-color: var(--eth-gold)      !important; height: 1px !important; }
.sep-rose  { background-color: var(--eth-rose-soft)  !important; border-color: var(--eth-rose-soft)  !important; height: 1px !important; }
.sep-sage  { background-color: var(--eth-sage-soft)  !important; border-color: var(--eth-sage-soft)  !important; height: 1px !important; }
.sep-black { background-color: var(--eth-black)      !important; border-color: var(--eth-black)      !important; height: 1px !important; }

/* Navegação WP */
.wp-block-navigation a {
  font-family: var(--eth-font-body) !important;
  font-size: 0.72rem !important;
  letter-spacing: 0.15em !important;
  text-transform: uppercase !important;
}

/* ══════════════════════════════════════════════════════════════════
   BOTÕES ETHERNA
   ══════════════════════════════════════════════════════════════════ */
.wp-block-button__link {
  font-family: var(--eth-font-body) !important;
  border-radius: 0 !important;
  transition: background-color 0.4s var(--eth-ease), color 0.4s var(--eth-ease), letter-spacing 0.4s var(--eth-ease), border-color 0.4s var(--eth-ease) !important;
}
/* Gold → Black */
.cta-dourado .wp-block-button__link:hover  { background-color: var(--eth-black)      !important; color: var(--eth-gold)      !important; }
/* Black → Gold */
.cta-preto .wp-block-button__link:hover   { background-color: var(--eth-gold)       !important; color: var(--eth-black)     !important; letter-spacing: 0.28em !important; }
/* Rose → Deep Rose */
.cta-rosa .wp-block-button__link:hover    { background-color: var(--eth-rose-deep)  !important; }
/* Sage → Deep Sage */
.cta-sage .wp-block-button__link:hover    { background-color: var(--eth-sage-deep)  !important; color: #fff !important; }
/* Outline branco */
.cta-outline-branco .wp-block-button__link { background-color: transparent !important; border: 1px solid rgba(255,255,255,0.45) !important; }
.cta-outline-branco .wp-block-button__link:hover { background-color: var(--eth-gold) !important; border-color: var(--eth-gold) !important; color: var(--eth-black) !important; }

/* ══════════════════════════════════════════════════════════════════
   ANIMAÇÕES DE SCROLL
   ══════════════════════════════════════════════════════════════════ */
.fade-in-up {
  opacity: 0; transform: translateY(44px);
  transition: opacity 1s var(--eth-ease), transform 1s var(--eth-ease);
}
.fade-in-up.is-visible { opacity: 1; transform: translateY(0); }

.slide-in-left {
  opacity: 0; transform: translateX(-52px);
  transition: opacity 1.1s var(--eth-ease), transform 1.1s var(--eth-ease);
}
.slide-in-left.is-visible { opacity: 1; transform: translateX(0); }

.slide-in-right {
  opacity: 0; transform: translateX(52px);
  transition: opacity 1.1s var(--eth-ease), transform 1.1s var(--eth-ease);
}
.slide-in-right.is-visible { opacity: 1; transform: translateX(0); }

.fade-in { opacity: 0; transition: opacity 1.3s var(--eth-ease); }
.fade-in.is-visible { opacity: 1; }

/* Delays escalonados */
.tratamento-card:nth-child(2) { transition-delay: 0.12s; }
.tratamento-card:nth-child(3) { transition-delay: 0.24s; }
.tratamento-card:nth-child(4) { transition-delay: 0.36s; }
.tratamento-card:nth-child(5) { transition-delay: 0.48s; }
.valor-card:nth-child(2)      { transition-delay: 0.18s; }
.valor-card:nth-child(3)      { transition-delay: 0.36s; }
.membro-equipa:nth-child(2)   { transition-delay: 0.15s; }
.membro-equipa:nth-child(3)   { transition-delay: 0.30s; }
.membro-equipa:nth-child(4)   { transition-delay: 0.45s; }

/* ══════════════════════════════════════════════════════════════════
   COMPONENTES ETHERNA
   ══════════════════════════════════════════════════════════════════ */

/* Hero */
.etherna-hero .wp-block-cover__inner-container {
  animation: ethHero 1.8s var(--eth-ease) forwards;
}
@keyframes ethHero {
  from { opacity: 0; transform: translateY(36px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Cards de tratamento */
.tratamento-card {
  transition: transform 0.45s var(--eth-ease), box-shadow 0.45s var(--eth-ease);
  overflow: hidden;
}
.tratamento-card:hover { transform: translateY(-8px); box-shadow: 0 24px 48px rgba(0,0,0,0.10); }
.tratamento-card img { transition: transform 0.6s var(--eth-ease); }
.tratamento-card:hover img { transform: scale(1.04); }

/* Equipa */
.membro-equipa { transition: transform 0.4s var(--eth-ease); text-align: center; }
.membro-equipa:hover { transform: translateY(-6px); }
.etherna-img-circle img { border-radius: 50% !important; object-fit: cover !important; }
.etherna-img-round  img { border-radius: var(--eth-radius) !important; object-fit: cover !important; }

/* Blog cards */
.blog-card { transition: transform 0.4s var(--eth-ease), box-shadow 0.4s var(--eth-ease); overflow: hidden; }
.blog-card:hover { transform: translateY(-6px); box-shadow: 0 16px 32px rgba(0,0,0,0.08); }

/* Stats bar divisores */
.etherna-stats .stat-item { position: relative; }
.etherna-stats .stat-item:not(:last-child)::after {
  content: '';
  position: absolute; right: 0; top: 15%; height: 70%;
  width: 1px; background: rgba(90,62,27,0.3);
}

/* Pilares hover */
.pilar-integrativa, .pilar-estetica { transition: filter 0.4s var(--eth-ease) !important; }
.pilar-integrativa:hover { filter: brightness(0.97); }
.pilar-estetica:hover    { filter: brightness(0.97); }

/* ══════════════════════════════════════════════════════════════════
   PÁGINA DE BLOG / ARQUIVO
   ══════════════════════════════════════════════════════════════════ */
.etherna-blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}
.etherna-post-card {
  background: var(--eth-white);
  overflow: hidden;
  transition: transform 0.4s var(--eth-ease), box-shadow 0.4s var(--eth-ease);
}
.etherna-post-card:hover { transform: translateY(-6px); box-shadow: 0 20px 40px rgba(0,0,0,0.08); }
.etherna-post-card-img { aspect-ratio: 16/9; overflow: hidden; }
.etherna-post-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--eth-ease); }
.etherna-post-card:hover .etherna-post-card-img img { transform: scale(1.04); }
.etherna-post-card-body { padding: 1.8rem; }
.etherna-post-cat {
  font-size: 0.6rem; font-weight: 500; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--eth-gold); margin-bottom: 0.8rem; display: block;
}
.etherna-post-title { font-family: var(--eth-font-title); font-size: 1.15rem; font-weight: 400; line-height: 1.35; color: var(--eth-text); margin-bottom: 0.8rem; }
.etherna-post-title a { color: inherit; }
.etherna-post-title a:hover { color: var(--eth-gold); }
.etherna-post-excerpt { font-size: 0.88rem; line-height: 1.85; color: var(--eth-text-mid); font-weight: 300; margin-bottom: 1.2rem; }
.etherna-read-more {
  font-size: 0.65rem; font-weight: 500; letter-spacing: 0.22em; text-transform: uppercase; color: var(--eth-gold);
  display: inline-flex; align-items: center; gap: 0.4rem; transition: gap 0.3s var(--eth-ease);
}
.etherna-read-more:hover { color: var(--eth-gold-dark); gap: 0.8rem; }
.etherna-post-meta { font-size: 0.72rem; color: var(--eth-text-light); font-weight: 300; margin-bottom: 0.8rem; }

/* ══════════════════════════════════════════════════════════════════
   PÁGINA SINGLE POST
   ══════════════════════════════════════════════════════════════════ */
.etherna-single-hero { position: relative; height: min(65vh, 520px); overflow: hidden; }
.etherna-single-hero img { width: 100%; height: 100%; object-fit: cover; }
.etherna-single-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(26,26,26,0.2) 0%, rgba(26,26,26,0.65) 100%);
}
.etherna-single-hero-content {
  position: absolute; bottom: 4rem; left: var(--eth-side-pad); right: var(--eth-side-pad);
}
.etherna-single-content {
  max-width: 760px; margin: 0 auto;
  padding: 4rem var(--eth-side-pad);
}
.etherna-single-content p { font-size: 1.02rem; line-height: 2; margin-bottom: 1.5rem; }
.etherna-single-content h2 { font-size: clamp(1.3rem, 2.5vw, 1.9rem); margin: 2.5rem 0 1rem; }
.etherna-single-content h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); margin: 2rem 0 0.8rem; }
.etherna-single-content ul, .etherna-single-content ol { padding-left: 1.5rem; margin-bottom: 1.5rem; }
.etherna-single-content li { font-size: 1rem; line-height: 1.9; color: var(--eth-text-mid); margin-bottom: 0.5rem; }
.etherna-single-content blockquote {
  border-left: 3px solid var(--eth-gold);
  padding: 1.5rem 2rem;
  margin: 2rem 0;
  background: var(--eth-cream);
  font-family: var(--eth-font-title);
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--eth-text);
}

/* ══════════════════════════════════════════════════════════════════
   PAGINAÇÃO
   ══════════════════════════════════════════════════════════════════ */
.etherna-pagination {
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 3rem var(--eth-side-pad);
}
.etherna-pagination a, .etherna-pagination span {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--eth-font-body); font-size: 0.78rem; font-weight: 400;
  color: var(--eth-text-mid);
  border: 1px solid rgba(0,0,0,0.12);
  transition: all 0.3s var(--eth-ease);
}
.etherna-pagination a:hover { border-color: var(--eth-gold); color: var(--eth-gold); }
.etherna-pagination .current { background: var(--eth-gold); color: var(--eth-black); border-color: var(--eth-gold); }

/* ══════════════════════════════════════════════════════════════════
   PÁGINA 404
   ══════════════════════════════════════════════════════════════════ */
.etherna-404 {
  min-height: 80vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center;
  padding: 4rem var(--eth-side-pad);
}
.etherna-404-num {
  font-family: var(--eth-font-title); font-size: clamp(6rem, 20vw, 14rem);
  color: var(--eth-gold); opacity: 0.15; line-height: 1; display: block;
}

/* ══════════════════════════════════════════════════════════════════
   RESPONSIVO
   ══════════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .etherna-footer-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
}
@media (max-width: 768px) {
  .etherna-nav, .etherna-nav-cta { display: none; }
  .etherna-hamburger { display: flex; }
  .etherna-footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .etherna-footer-bottom { flex-direction: column; text-align: center; }
  .etherna-stats .stat-item::after { display: none; }
  .etherna-single-hero { height: 55vw; }
  .etherna-single-content { padding: 3rem 1.5rem; }
}
@media (max-width: 480px) {
  .etherna-blog-grid { grid-template-columns: 1fr; }
}

/* ══════════════════════════════════════════════════════════════════
   UTILITÁRIOS
   ══════════════════════════════════════════════════════════════════ */
.eth-text-gold    { color: var(--eth-gold) !important; }
.eth-text-rose    { color: var(--eth-rose) !important; }
.eth-text-sage    { color: var(--eth-sage) !important; }
.eth-bg-cream     { background: var(--eth-cream) !important; }
.eth-bg-blush     { background: var(--eth-rose-blush) !important; }
.eth-bg-sage-pale { background: var(--eth-sage-pale) !important; }
.eth-bg-black     { background: var(--eth-black) !important; }
.eth-hidden       { display: none !important; }
.eth-sr-only      { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }