/* ========================================================================
   Eter — Dark Premium Theme
   Design System: Obsidian & Light / Soft Gold / Warm Dark
   ======================================================================== */

:root {
  --bg-base: #0F0E0D;
  --bg-elevated: #191514;
  --bg-surface: rgba(232, 226, 216, 0.03);
  --bg-surface-hover: rgba(232, 226, 216, 0.06);
  --border-subtle: rgba(232, 226, 216, 0.06);
  --border-default: rgba(232, 226, 216, 0.1);
  --border-strong: rgba(232, 226, 216, 0.16);
  --text-primary: #E8E2D8;
  --text-secondary: #7A6E62;
  --text-tertiary: #5A5048;
  --primary: #C9A96E;
  --primary-strong: #B89A5F;
  --accent: #C9A96E;
  --accent-soft: rgba(201, 169, 110, 0.1);
  --accent-glow: rgba(201, 169, 110, 0.15);
  --gradient-brand: linear-gradient(135deg, #C9A96E, #A08B5E);
  --glow-primary: rgba(201, 169, 110, 0.15);
  --glow-accent: rgba(201, 169, 110, 0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-pill: 999px;
  --ease-out: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================================================
   Reset & Base
   ======================================================================== */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text-primary);
  background:
    radial-gradient(ellipse at 10% 0%, rgba(201, 169, 110, 0.04), transparent 50%),
    radial-gradient(ellipse at 90% 100%, rgba(201, 169, 110, 0.03), transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(201, 169, 110, 0.015), transparent 70%),
    var(--bg-base);
  font-family: 'Sora', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* ========================================================================
   Layout
   ======================================================================== */

.eter-container {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
}

.eter-main {
  overflow: clip;
}

/* ========================================================================
   Utility: Gradient Text
   ======================================================================== */

.eter-gradient-text {
  color: #E8E2D8;
  -webkit-text-fill-color: #E8E2D8;
  background: none;
  -webkit-background-clip: unset;
  background-clip: unset;
}

/* ========================================================================
   Utility: Highlight Text (Gold Accent)
   ======================================================================== */

.eter-highlight {
  color: #C9A96E;
  -webkit-text-fill-color: #C9A96E;
}

/* ========================================================================
   Header
   ======================================================================== */

.eter-header {
  position: sticky;
  top: 0;
  z-index: 80;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(25, 21, 20, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.eter-header-inner {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.eter-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #E8E2D8;
  font-weight: 800;
  letter-spacing: 0.45px;
}

.eter-brand img {
  width: 38px;
  height: 38px;
}

.eter-nav-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 16px;
}

.eter-nav-list a {
  position: relative;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.22px;
  transition: color var(--transition-base);
}

.eter-nav-list a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 2px;
  border-radius: 1px;
  background: #C9A96E;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-base);
}

.eter-nav-list a:hover,
.eter-nav-list a:focus-visible {
  color: var(--text-primary);
}

.eter-nav-list a:hover::after,
.eter-nav-list a:focus-visible::after {
  transform: scaleX(1);
}

.eter-header-cta {
  flex-shrink: 0;
}

/* Language Toggle */
.eter-lang-switch {
  display: flex;
  gap: 4px;
  align-items: center;
  flex-shrink: 0;
}

.eter-lang-btn {
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(201, 169, 110, 0.1);
  border: 1px solid rgba(232, 226, 216, 0.1);
  color: var(--text-secondary);
  font-family: 'Sora', sans-serif;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  line-height: 1;
}

.eter-lang-btn:hover {
  border-color: rgba(232, 226, 216, 0.2);
}

.eter-lang-btn:focus {
  outline: none;
}

.eter-lang-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.eter-lang-btn.is-active {
  background: #C9A96E;
  color: #0F0E0D;
  border-color: #C9A96E;
}

.eter-scroll-meter {
  height: 3px;
  width: 100%;
  background: #C9A96E;
  transform-origin: 0 50%;
  transform: scaleX(var(--eter-scroll, 0));
  transition: transform 70ms linear;
}

/* Hamburger menu toggle -- hidden on desktop */
.eter-menu-toggle {
  display: none;
  appearance: none;
  border: 1px solid var(--border-default);
  background: transparent;
  color: var(--text-primary);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  transition: background var(--transition-base), border-color var(--transition-base);
}

.eter-menu-toggle:hover,
.eter-menu-toggle:focus-visible {
  background: var(--bg-surface-hover);
  border-color: var(--border-strong);
}

.eter-menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.eter-menu-toggle span + span {
  margin-top: 5px;
}

.eter-menu-toggle.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.eter-menu-toggle.is-active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.eter-menu-toggle.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ========================================================================
   Buttons
   ======================================================================== */

.eter-btn {
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  min-height: 48px;
  padding: 0 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: #0F0E0D;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.18px;
  background: #C9A96E;
  box-shadow:
    0 0 0 1px rgba(201, 169, 110, 0.2),
    0 8px 24px rgba(201, 169, 110, 0.15);
  cursor: pointer;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    filter var(--transition-base);
}

.eter-btn:hover,
.eter-btn:focus-visible {
  transform: translateY(-2px);
  filter: brightness(1.08);
  box-shadow:
    0 0 0 1px rgba(201, 169, 110, 0.3),
    0 12px 32px rgba(201, 169, 110, 0.25),
    0 0 60px var(--glow-primary);
}

.eter-btn:active {
  transform: translateY(0);
}

.eter-btn-small {
  min-height: 40px;
  padding: 0 16px;
  font-size: 13px;
}

.eter-btn-ghost {
  border-color: rgba(201, 169, 110, 0.3);
  background: transparent;
  color: #C9A96E;
  box-shadow: none;
}

.eter-btn-ghost:hover,
.eter-btn-ghost:focus-visible {
  border-color: rgba(201, 169, 110, 0.5);
  background: rgba(201, 169, 110, 0.06);
  box-shadow: 0 0 30px rgba(201, 169, 110, 0.08);
  filter: none;
}

/* ========================================================================
   Hero
   ======================================================================== */

.eter-hero {
  position: relative;
  color: #E8E2D8;
  background:
    radial-gradient(ellipse at 70% 10%, rgba(201, 169, 110, 0.08), transparent 50%),
    radial-gradient(ellipse at 20% 80%, rgba(201, 169, 110, 0.06), transparent 45%),
    radial-gradient(ellipse at 50% 50%, rgba(201, 169, 110, 0.02), transparent 60%),
    linear-gradient(170deg, #141110 0%, #0F0E0D 50%, #0C0B0A 100%);
  padding: 96px 0 78px;
  overflow: hidden;
}

.eter-hero-noise {
  position: absolute;
  inset: 0;
  opacity: 0.15;
  background-image:
    url("../images/bg-texture.png"),
    radial-gradient(circle at 20% 25%, rgba(201, 169, 110, 0.1) 0, rgba(201, 169, 110, 0) 30%),
    radial-gradient(circle at 76% 65%, rgba(201, 169, 110, 0.08) 0, rgba(201, 169, 110, 0) 32%);
  background-size: cover, auto, auto;
  background-position: center, center, center;
  mix-blend-mode: screen;
  pointer-events: none;
}

.eter-hero-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(120px);
  opacity: 0.4;
}

.eter-hero-glow-1 {
  top: -15%;
  right: 10%;
  background: rgba(201, 169, 110, 0.2);
}

.eter-hero-glow-2 {
  bottom: -10%;
  left: 5%;
  background: rgba(201, 169, 110, 0.12);
}

.eter-crypto-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.3;
}

.eter-hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 34px;
  align-items: center;
}

.eter-hero-copy {
  position: relative;
  z-index: 2;
}

.eter-hero-center {
  position: relative;
  z-index: 2;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.eter-hero-center .eter-hero-points {
  text-align: left;
  max-width: 520px;
}

.eter-hero-sub {
  max-width: 640px;
  color: var(--text-secondary);
  font-size: 17px;
  line-height: 1.72;
  margin: 0 0 20px;
}

.eter-pill {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(201, 169, 110, 0.3);
  background: rgba(201, 169, 110, 0.08);
  color: #C9A96E;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.35px;
  text-transform: uppercase;
  margin-bottom: 15px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.eter-hero-logo {
  width: min(80%, 600px);
  height: auto;
  margin-bottom: 24px;
  opacity: 0;
  animation: eter-logo-reveal 1.2s ease-out 0.3s forwards;
}

@keyframes eter-logo-reveal {
  from {
    opacity: 0;
    transform: scale(0.92);
    filter: blur(8px);
  }
  to {
    opacity: 1;
    transform: scale(1);
    filter: blur(0);
  }
}

.eter-hero h1 {
  margin: 0 0 12px;
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  line-height: 1.2;
  font-weight: 400;
  letter-spacing: 0.02em;
  text-wrap: balance;
  color: var(--text-secondary);
  -webkit-text-fill-color: unset;
  background: none;
  -webkit-background-clip: unset;
  background-clip: unset;
}

.eter-hero h1 .eter-highlight {
  color: #E8E2D8;
  font-weight: 600;
}

.eter-hero p {
  margin: 0 0 18px;
  max-width: 640px;
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.7;
}

.eter-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
}

.eter-hero-points {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  color: var(--text-secondary);
  font-size: 14px;
}

.eter-hero-media-note {
  margin: 12px 0 0;
  color: var(--text-tertiary);
  font-size: 12px;
}

/* Hero Showcase -- mockups below hero text */
.eter-hero-showcase {
  position: relative;
  z-index: 2;
  margin-top: 48px;
}

.eter-hero-cards {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 20px;
  max-width: 820px;
  margin: 0 auto;
}

.eter-hero-cards .eter-stage-card {
  position: relative;
  inset: auto;
  width: auto;
  height: auto;
}

.eter-hero-cards .eter-stage-card img {
  max-width: 100%;
  max-height: 380px;
}

/* Hero Stage */
.eter-hero-stage {
  position: relative;
  min-height: 480px;
}

.eter-stage-card {
  position: absolute;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: rgba(25, 21, 20, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow:
    0 24px 48px rgba(0, 0, 0, 0.4),
    0 0 0 1px var(--border-subtle);
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.eter-stage-card:hover {
  border-color: rgba(201, 169, 110, 0.2);
  box-shadow:
    0 24px 48px rgba(0, 0, 0, 0.5),
    0 0 80px var(--glow-primary);
}

.eter-stage-card img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  background: linear-gradient(160deg, #120F0E, #191514);
  padding: 12px;
}

.eter-stage-card-main img {
  max-width: 66%;
  margin-inline: auto;
}

.eter-stage-card-side img {
  max-width: 52%;
  margin-inline: auto;
}

.eter-stage-card-main {
  inset: 56px 132px 128px 28px;
}

.eter-stage-card-side {
  width: 220px;
  height: 160px;
  right: 0;
  top: 0;
}

.eter-stage-media-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 2;
  margin-bottom: 0;
}

.eter-stage-overlay {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  padding: 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: rgba(25, 21, 20, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.eter-stage-overlay h2 {
  margin: 0 0 6px;
  font-size: 1.04rem;
  color: var(--text-primary);
}

.eter-stage-overlay p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.45;
}

/* Float Badges */
.eter-float-badge {
  position: absolute;
  width: 194px;
  padding: 12px 13px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: rgba(25, 21, 20, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow:
    0 12px 32px rgba(0, 0, 0, 0.4),
    0 0 40px var(--glow-primary);
  animation: eterFloat 4.2s ease-in-out infinite;
}

.eter-float-badge span {
  display: block;
  color: var(--text-primary);
  font-size: 1.02rem;
  font-weight: 800;
}

.eter-float-badge small {
  color: var(--text-secondary);
  font-size: 12px;
}

.eter-float-badge-1 {
  left: 22px;
  bottom: 30px;
}

.eter-float-badge-2 {
  right: 34px;
  bottom: 48px;
  animation-delay: 0.8s;
}

/* ========================================================================
   Live Strip
   ======================================================================== */

.eter-live-strip {
  padding: 24px 0 18px;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(201, 169, 110, 0.03), transparent 60%),
    var(--bg-elevated);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.eter-live-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.eter-live-card {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base);
}

.eter-live-card:hover {
  border-color: rgba(201, 169, 110, 0.2);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3), 0 0 60px var(--glow-primary);
  transform: translateY(-2px);
}

.eter-live-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  background: linear-gradient(165deg, #120F0E, #191514);
  padding: 12px;
  max-height: 250px;
  max-width: 84%;
  margin-inline: auto;
  display: block;
}

.eter-live-card div {
  padding: 14px;
}

.eter-live-card h3 {
  margin: 0 0 5px;
  font-size: 1rem;
  color: var(--text-primary);
}

.eter-live-card p {
  margin: 0;
  font-size: 13px;
  color: var(--text-secondary);
}

/* ========================================================================
   Visual Guide
   ======================================================================== */

.eter-visual-guide {
  padding: 22px 0;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(201, 169, 110, 0.03), transparent 50%),
    var(--bg-elevated);
  border-bottom: 1px solid var(--border-subtle);
}

.eter-visual-guide-title {
  margin: 0 0 4px;
  font-size: clamp(1.28rem, 2.3vw, 1.8rem);
  color: var(--text-primary);
  text-wrap: balance;
}

.eter-visual-guide-note {
  margin: 0 0 12px;
  color: var(--text-secondary);
  font-size: 13px;
}

.eter-visual-guide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.eter-visual-guide-card {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 12px 14px;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.eter-visual-guide-card:hover {
  border-color: rgba(201, 169, 110, 0.15);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.eter-visual-guide-card h3 {
  margin: 0 0 5px;
  font-size: 14px;
  color: var(--text-primary);
}

.eter-visual-guide-card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 13px;
}

/* ========================================================================
   Media Tags & Notes
   ======================================================================== */

.eter-media-tag {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 2px 9px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(201, 169, 110, 0.25);
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15px;
  margin-bottom: 8px;
}

.eter-media-note {
  margin: 0 0 12px;
  color: var(--text-secondary);
  font-size: 13px;
}

/* ========================================================================
   Section Badge
   ======================================================================== */

.eter-section-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(201, 169, 110, 0.25);
  background: rgba(201, 169, 110, 0.06);
  color: #C9A96E;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

/* ========================================================================
   Sections
   ======================================================================== */

.eter-section {
  padding: 76px 0;
}

.eter-section-alt {
  background:
    radial-gradient(ellipse at 15% 10%, rgba(201, 169, 110, 0.03), transparent 45%),
    radial-gradient(ellipse at 85% 85%, rgba(201, 169, 110, 0.02), transparent 40%),
    var(--bg-elevated);
}

.eter-section h2 {
  margin: 0 0 10px;
  font-size: clamp(1.9rem, 3.3vw, 3rem);
  font-weight: 800;
  line-height: 1.12;
  color: #E8E2D8;
  text-wrap: balance;
  -webkit-text-fill-color: #E8E2D8;
  background: none;
  -webkit-background-clip: unset;
  background-clip: unset;
}

.eter-section-intro {
  margin: 0 0 24px;
  max-width: 850px;
  color: var(--text-secondary);
}

/* Caso Master Section */
.eter-section-caso-master {
  background:
    radial-gradient(ellipse at 20% 20%, rgba(220, 38, 38, 0.04), transparent 45%),
    radial-gradient(ellipse at 80% 80%, rgba(201, 169, 110, 0.03), transparent 45%),
    var(--bg-elevated);
  border-top: 1px solid rgba(220, 38, 38, 0.08);
  border-bottom: 1px solid rgba(201, 169, 110, 0.08);
}

.eter-section-caso-master .eter-card {
  background: rgba(25, 21, 20, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-color: var(--border-default);
}

.eter-section-caso-master .eter-card:hover {
  background: rgba(25, 21, 20, 0.92);
}

.eter-check-list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.eter-check-list li {
  position: relative;
  padding-left: 28px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.eter-check-list li::before {
  position: absolute;
  left: 0;
  top: 2px;
  font-size: 15px;
  font-weight: 700;
}

.eter-check-list-danger li::before {
  content: "\26A0";
  color: #f59e0b;
}

.eter-check-list-danger li {
  color: var(--text-secondary);
}

.eter-check-list-safe li::before {
  content: "\2713";
  color: #C9A96E;
}

.eter-check-list-safe li {
  color: var(--text-primary);
}

.eter-caso-quote {
  margin: 32px auto 0;
  max-width: 780px;
  padding: 20px 24px;
  border-left: 3px solid #C9A96E;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: rgba(201, 169, 110, 0.04);
  color: var(--text-primary);
  font-size: 16px;
  font-style: italic;
  line-height: 1.7;
}

/* ========================================================================
   Grids
   ======================================================================== */

.eter-grid-2,
.eter-grid-3,
.eter-grid-4 {
  display: grid;
  gap: 14px;
}

.eter-grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.eter-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.eter-grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

/* ========================================================================
   Cards
   ======================================================================== */

.eter-card {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: #191514;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 18px;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base),
    background var(--transition-base);
}

.eter-card:hover {
  border-color: rgba(201, 169, 110, 0.2);
  background: var(--bg-surface-hover);
  box-shadow:
    0 16px 48px rgba(0, 0, 0, 0.25),
    0 0 60px var(--glow-primary);
  transform: translateY(-2px);
}

.eter-card h3 {
  margin: 0 0 8px;
  font-size: 1.04rem;
  color: var(--text-primary);
}

.eter-card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
}

.eter-card p + p {
  margin-top: 9px;
}

/* Glow Card variant */
.eter-glow-card {
  position: relative;
}

.eter-glow-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(135deg, #C9A96E, #A08B5E);
  opacity: 0;
  z-index: -1;
  transition: opacity var(--transition-base);
}

.eter-glow-card:hover::before {
  opacity: 0.4;
}

.eter-glow-card:hover {
  border-color: transparent;
  box-shadow:
    0 16px 48px rgba(0, 0, 0, 0.3),
    0 0 80px var(--glow-primary),
    0 0 40px var(--glow-accent);
}

/* ========================================================================
   Testimonial Cards
   ======================================================================== */

.eter-testimonial-card blockquote {
  margin: 0;
  position: relative;
  padding: 0;
}

.eter-testimonial-card blockquote::before {
  content: "\201C";
  font-size: 3rem;
  line-height: 1;
  display: block;
  margin-bottom: 4px;
  color: #C9A96E;
  -webkit-text-fill-color: #C9A96E;
  background: none;
  -webkit-background-clip: unset;
  background-clip: unset;
  opacity: 0.5;
}

.eter-testimonial-card blockquote p {
  margin: 0;
  font-style: italic;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.65;
}

.eter-testimonial-card footer {
  margin-top: 14px;
  display: grid;
  gap: 2px;
}

.eter-testimonial-card footer strong {
  color: var(--text-primary);
  font-size: 14px;
}

.eter-testimonial-card footer span {
  color: var(--text-secondary);
  font-size: 13px;
}

.eter-testimonial-card footer small {
  color: var(--text-tertiary);
  font-size: 11px;
  font-style: italic;
  margin-top: 6px;
}

/* ========================================================================
   Problem Section
   ======================================================================== */

.eter-problem-grid {
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  gap: 18px;
  align-items: start;
}

.eter-problem-visual {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-elevated);
}

.eter-problem-visual img {
  width: 100%;
  max-height: 320px;
  object-fit: cover;
  display: block;
}

.eter-risk-timeline {
  margin: 0;
  padding: 8px 0;
  list-style: none;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: relative;
}

.eter-risk-timeline::before {
  content: "";
  position: absolute;
  left: 40px;
  top: 24px;
  bottom: 24px;
  width: 2px;
  background: linear-gradient(180deg, #C9A96E, #A08B5E);
}

.eter-risk-timeline li {
  position: relative;
  padding: 16px 20px 16px 72px;
}

.eter-risk-timeline li::before {
  content: "";
  position: absolute;
  left: 32px;
  top: 22px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-base);
  border: 4px solid #C9A96E;
  box-shadow: 0 0 12px var(--glow-primary);
}

.eter-risk-timeline h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  color: var(--text-primary);
}

.eter-risk-timeline p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
}

/* ========================================================================
   Architecture Board
   ======================================================================== */

.eter-architecture-board {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.eter-board-card {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  overflow: hidden;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base);
}

.eter-board-card:hover {
  border-color: rgba(201, 169, 110, 0.2);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3), 0 0 60px var(--glow-primary);
  transform: translateY(-2px);
}

.eter-board-card img {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  background: linear-gradient(165deg, #120F0E, #191514);
  padding: 12px;
  max-height: 250px;
  max-width: 84%;
  margin-inline: auto;
}

.eter-board-card div {
  padding: 14px;
}

.eter-board-card h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  color: var(--text-primary);
}

.eter-board-card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 13px;
}

/* ========================================================================
   Cases / Tabs
   ======================================================================== */

.eter-case-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.eter-case-tabs button,
.eter-filter button {
  border: 1px solid var(--border-default);
  background: var(--bg-surface);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  min-height: 40px;
  padding: 0 14px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition:
    background var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.eter-case-tabs button.is-active,
.eter-filter button.is-active {
  background: #C9A96E;
  border-color: transparent;
  color: #0F0E0D;
  box-shadow: 0 4px 16px var(--glow-primary);
}

.eter-case-tabs button:hover,
.eter-filter button:hover,
.eter-case-tabs button:focus-visible,
.eter-filter button:focus-visible {
  background: var(--bg-surface-hover);
  border-color: var(--border-strong);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.eter-case-tabs button.is-active:hover,
.eter-filter button.is-active:hover {
  background: #C9A96E;
  color: #0F0E0D;
  filter: brightness(1.08);
}

.eter-case-panels {
  position: relative;
}

.eter-case-panel {
  display: none;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 16px;
}

.eter-case-panel.is-active {
  display: block;
  animation: eterFadeUp 240ms var(--ease-out);
}

.eter-case-layout {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 16px;
  align-items: start;
}

.eter-case-media {
  position: relative;
}

.eter-case-media .eter-media-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 2;
  margin-bottom: 0;
}

.eter-case-layout img {
  width: 100%;
  max-height: 340px;
  max-width: 88%;
  margin-inline: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: linear-gradient(165deg, #120F0E, #191514);
  object-fit: contain;
  padding: 10px;
  display: block;
}

.eter-case-layout h3 {
  margin: 0 0 8px;
  color: var(--text-primary);
}

.eter-case-layout p {
  margin: 0;
  color: var(--text-secondary);
}

.eter-case-layout p + p {
  margin-top: 9px;
}

/* ========================================================================
   UI Gallery
   ======================================================================== */

.eter-ui-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.eter-ui-card {
  margin: 0;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base);
}

.eter-ui-card:hover {
  border-color: rgba(201, 169, 110, 0.2);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3), 0 0 60px var(--glow-primary);
  transform: translateY(-2px);
}

.eter-ui-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  background: linear-gradient(165deg, #120F0E, #191514);
  padding: 12px;
  max-height: 250px;
  max-width: 84%;
  margin-inline: auto;
  display: block;
}

.eter-ui-card figcaption {
  display: grid;
  gap: 5px;
  padding: 14px;
}

.eter-ui-card strong {
  font-size: 1rem;
  color: var(--text-primary);
}

.eter-ui-card span {
  color: var(--text-secondary);
  font-size: 13px;
}

/* ========================================================================
   Compare Table
   ======================================================================== */

.eter-filter {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.eter-compare-wrap {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  background: var(--bg-elevated);
}

.eter-compare-table {
  width: 100%;
  min-width: 1120px;
  border-collapse: collapse;
}

.eter-compare-table th,
.eter-compare-table td {
  border-bottom: 1px solid var(--border-subtle);
  text-align: left;
  vertical-align: top;
  padding: 13px;
  font-size: 13px;
  color: var(--text-secondary);
}

.eter-compare-table th {
  background: var(--bg-surface);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.32px;
  color: var(--text-tertiary);
  font-weight: 700;
}

/* Eter column header gets gold accent */
.eter-compare-table th.is-eter {
  color: #C9A96E;
  background: rgba(201, 169, 110, 0.06);
}

.eter-compare-table td:first-child {
  color: var(--text-primary);
  font-weight: 600;
}

.eter-compare-table tbody tr {
  transition: background var(--transition-base);
}

.eter-compare-table tbody tr:hover {
  background: var(--bg-surface-hover);
}

.eter-compare-table tr.is-muted {
  opacity: 0.36;
}

.eter-note {
  margin-top: 12px;
  color: var(--text-secondary);
  font-size: 14px;
}

/* ========================================================================
   FAQ
   ======================================================================== */

.eter-search-wrap {
  display: grid;
  gap: 8px;
  max-width: 520px;
  margin-bottom: 14px;
}

.eter-search-wrap span {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
}

.eter-search-wrap input {
  min-height: 46px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-default);
  background: var(--bg-surface);
  padding: 0 14px;
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    background var(--transition-base);
}

.eter-search-wrap input::placeholder {
  color: var(--text-tertiary);
}

.eter-search-wrap input:focus-visible {
  outline: none;
  border-color: #C9A96E;
  box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.1), 0 0 20px rgba(201, 169, 110, 0.08);
  background: var(--bg-surface-hover);
}

.eter-faq {
  display: grid;
  gap: 10px;
}

.eter-faq details {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 12px 14px;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    background var(--transition-base);
}

.eter-faq details:hover {
  border-color: var(--border-default);
  background: var(--bg-surface-hover);
}

.eter-faq details[open] {
  border-color: rgba(201, 169, 110, 0.2);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.eter-faq summary {
  cursor: pointer;
  color: var(--text-primary);
  font-weight: 700;
  transition: color var(--transition-base);
  list-style: none;
}

.eter-faq summary::-webkit-details-marker {
  display: none;
}

.eter-faq summary::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  margin-right: 10px;
  border-radius: 6px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 700;
  vertical-align: middle;
  transition:
    background var(--transition-base),
    color var(--transition-base),
    transform var(--transition-base);
}

.eter-faq details[open] summary::before {
  content: "\2212";
  background: rgba(201, 169, 110, 0.1);
  color: #C9A96E;
  border-color: rgba(201, 169, 110, 0.25);
}

.eter-faq summary:hover {
  color: #E8E2D8;
}

.eter-faq p {
  margin: 10px 0 0;
  color: var(--text-secondary);
  padding-left: 32px;
}

.eter-no-results {
  margin-top: 12px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 700;
}

.is-hidden {
  display: none !important;
}

/* ========================================================================
   Final CTA
   ======================================================================== */

.eter-final-cta {
  color: #0F0E0D;
  background: linear-gradient(135deg, #C9A96E 0%, #A08B5E 100%);
  position: relative;
  overflow: hidden;
}

.eter-final-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.2);
  opacity: 1;
}

.eter-final-cta-inner {
  text-align: center;
}

.eter-final-cta h2 {
  color: #0F0E0D;
  -webkit-text-fill-color: #0F0E0D;
  background: none;
}

.eter-final-cta p {
  margin: 0 0 16px;
  color: rgba(25, 21, 20, 0.7);
}

.eter-final-cta .eter-section-badge {
  border-color: rgba(25, 21, 20, 0.2);
  background: rgba(25, 21, 20, 0.08);
  color: #0F0E0D;
}

.eter-final-cta .eter-btn {
  background: #0F0E0D;
  color: #C9A96E;
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.2),
    0 8px 24px rgba(0, 0, 0, 0.3);
}

.eter-final-cta .eter-btn:hover,
.eter-final-cta .eter-btn:focus-visible {
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.3),
    0 12px 32px rgba(0, 0, 0, 0.4),
    0 0 60px rgba(0, 0, 0, 0.15);
}

.eter-final-cta .eter-btn-ghost {
  background: transparent;
  border-color: rgba(25, 21, 20, 0.3);
  color: #0F0E0D;
  box-shadow: none;
}

.eter-final-cta .eter-btn-ghost:hover,
.eter-final-cta .eter-btn-ghost:focus-visible {
  border-color: rgba(25, 21, 20, 0.5);
  background: rgba(25, 21, 20, 0.08);
  box-shadow: none;
}

/* CTA Gold band utility class */
.eter-cta-gold {
  background: linear-gradient(135deg, #C9A96E 0%, #A08B5E 100%);
  color: #0F0E0D;
}

/* ========================================================================
   Footer
   ======================================================================== */

.eter-footer {
  background: #0C0B0A;
  color: var(--text-secondary);
  padding-top: 40px;
  position: relative;
}

.eter-footer-glow {
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(201, 169, 110, 0.08), transparent 70%);
  pointer-events: none;
  filter: blur(40px);
}

.eter-footer-logo {
  width: 160px;
  height: auto;
  margin-bottom: 12px;
}

.eter-footer-brand p {
  max-width: 280px;
  font-size: 14px;
  line-height: 1.6;
}

.eter-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201, 169, 110, 0.2), transparent);
  opacity: 1;
}

.eter-footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 22px;
}

.eter-footer h3,
.eter-footer h4 {
  margin: 0 0 8px;
  color: var(--text-primary);
}

.eter-footer p {
  margin: 0;
}

.eter-footer ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.eter-footer a {
  transition: color var(--transition-base);
}

.eter-footer a:hover,
.eter-footer a:focus-visible {
  color: #C9A96E;
}

.eter-footer-bottom {
  border-top: 1px solid var(--border-subtle);
  margin-top: 22px;
  padding: 16px 0 22px;
  color: var(--text-tertiary);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.eter-footer-tagline {
  color: var(--text-tertiary);
  font-style: italic;
}

/* ========================================================================
   Generic Page
   ======================================================================== */

.eter-page {
  padding: 56px 0;
}

.eter-page-inner {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 26px;
}

.eter-content p {
  margin-top: 0;
}

/* ========================================================================
   Legal Pages
   ======================================================================== */

.eter-legal-page {
  padding-top: 44px;
  padding-bottom: 72px;
}

.eter-legal-header {
  max-width: 860px;
  margin: 0 auto 18px;
}

.eter-legal-header h1 {
  margin: 0;
  font-size: clamp(1.8rem, 3.8vw, 2.6rem);
  line-height: 1.15;
  color: var(--text-primary);
}

.eter-legal-updated {
  margin: 10px 0 0;
  color: var(--text-secondary);
  font-size: 14px;
}

.eter-legal-card {
  max-width: 860px;
  margin: 0 auto;
}

.eter-legal-content[data-lang-block="en"] {
  display: none;
}

html[lang="en"] .eter-legal-content[data-lang-block="pt"] {
  display: none;
}

html[lang="en"] .eter-legal-content[data-lang-block="en"] {
  display: block;
}

.eter-legal-section {
  margin-bottom: 22px;
}

.eter-legal-section h2 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  line-height: 1.35;
  color: var(--text-primary);
}

.eter-legal-section p {
  margin: 0;
  color: var(--text-secondary);
}

.eter-legal-section p + p {
  margin-top: 8px;
}

.eter-legal-list {
  margin: 8px 0 0;
  padding-left: 20px;
  display: grid;
  gap: 7px;
  color: var(--text-secondary);
}

.eter-legal-note {
  margin-top: 24px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(201, 169, 110, 0.2);
  background: rgba(201, 169, 110, 0.05);
  color: var(--text-primary);
}

.eter-legal-divider {
  margin: 28px 0;
  border: 0;
  border-top: 1px solid var(--border-subtle);
}

.eter-legal-anchor {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.eter-legal-back-link {
  margin-top: 24px;
}

/* ========================================================================
   Motion Helpers
   ======================================================================== */

.eter-reveal-card {
  opacity: 0;
  transform: translateY(20px);
  transition:
    transform 440ms var(--ease-out),
    opacity 440ms var(--ease-out),
    box-shadow var(--transition-base);
}

.eter-reveal-card.is-in {
  opacity: 1;
  transform: translateY(0);
}

.eter-reveal-card:hover {
  box-shadow:
    0 16px 48px rgba(0, 0, 0, 0.25),
    0 0 60px var(--glow-primary);
}

.eter-tilt {
  transform-style: preserve-3d;
  transition: transform 180ms var(--ease-out);
}

/* Mobile sticky CTA */
.eter-mobile-sticky-cta {
  display: none;
}

/* Stagger and section motion */
[data-stagger] > * {
  opacity: 0;
  transform: translateY(20px) scale(0.985);
  filter: blur(3px);
  transition:
    opacity 420ms var(--ease-out),
    transform 420ms var(--ease-out),
    filter 420ms var(--ease-out);
}

[data-stagger].is-in > * {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
  transition-delay: var(--stagger-delay, 0ms);
}

.eter-section h2,
.eter-section .eter-section-intro {
  transition:
    opacity 380ms var(--ease-out),
    transform 380ms var(--ease-out),
    filter 380ms var(--ease-out);
}

.eter-section.is-section-in h2,
.eter-section.is-section-in .eter-section-intro {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

.eter-section:not(.is-section-in) h2,
.eter-section:not(.is-section-in) .eter-section-intro {
  opacity: 0.01;
  transform: translateY(12px);
  filter: blur(2px);
}

/* Hero load sequence */
.eter-load-seq {
  opacity: 0;
  transform: translateY(18px);
  filter: blur(4px);
  transition:
    opacity 600ms var(--ease-out),
    transform 600ms var(--ease-out),
    filter 600ms var(--ease-out);
}

body.is-mounted .eter-load-seq {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

body.is-mounted .eter-hero-stage.eter-load-seq {
  transition-delay: 120ms;
}

/* ========================================================================
   Keyframes
   ======================================================================== */

@keyframes eterFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@keyframes eterFadeUp {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes eterPulseGlow {
  0%,
  100% {
    box-shadow: 0 0 20px var(--glow-primary);
  }
  50% {
    box-shadow: 0 0 40px var(--glow-primary), 0 0 60px var(--glow-accent);
  }
}

@keyframes eterGradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* ========================================================================
   Scrollbar (Webkit)
   ======================================================================== */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-base);
}

::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.24);
}

/* Firefox scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) var(--bg-base);
}

/* ========================================================================
   Selection
   ======================================================================== */

::selection {
  background: rgba(201, 169, 110, 0.3);
  color: var(--text-primary);
}

/* ========================================================================
   Text Scramble
   ======================================================================== */

.eter-scramble-char {
  display: inline-block;
}

.eter-scramble-char.is-resolved {
  /* Final state -- normal */
}

.eter-scramble-char.is-scrambling {
  color: #C9A96E;
  opacity: 0.7;
}

/* ========================================================================
   Counters / Stats
   ======================================================================== */

.eter-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 48px 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.eter-stat {
  text-align: center;
}

.eter-stat-value {
  font-size: clamp(2.5rem, 4vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: #C9A96E;
  -webkit-text-fill-color: #C9A96E;
  background: none;
  -webkit-background-clip: unset;
  background-clip: unset;
}

.eter-stat-label {
  margin-top: 8px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
}

/* ========================================================================
   Typed Text Cursor
   ======================================================================== */

.eter-typed-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: #C9A96E;
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: eterBlink 1s steps(1) infinite;
}

@keyframes eterBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ========================================================================
   Magnetic Button
   ======================================================================== */

[data-magnetic] {
  transition: transform 200ms var(--ease-out);
}

/* ========================================================================
   Trust Strip / Infinite Scroll
   ======================================================================== */

.eter-trust-strip {
  padding: 32px 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  overflow: hidden;
}

.eter-trust-label {
  text-align: center;
  color: var(--text-tertiary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.eter-trust-scroll {
  display: flex;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.eter-trust-track {
  display: flex;
  align-items: center;
  gap: 48px;
  animation: eterScrollX 30s linear infinite;
  will-change: transform;
}

.eter-trust-scroll:hover .eter-trust-track {
  animation-play-state: paused;
}

.eter-trust-item {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-tertiary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2px;
  white-space: nowrap;
  transition: color var(--transition-base);
}

.eter-trust-item:hover {
  color: #C9A96E;
}

.eter-trust-item svg,
.eter-trust-item img {
  width: 24px;
  height: 24px;
  opacity: 0.5;
  transition: opacity var(--transition-base);
}

.eter-trust-item:hover svg,
.eter-trust-item:hover img {
  opacity: 0.8;
}

@keyframes eterScrollX {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ========================================================================
   FAQ Smooth Accordion
   ======================================================================== */

details[data-faq-item].is-animating {
  overflow: hidden;
}

/* ========================================================================
   SVG Line Drawing
   ======================================================================== */

.eter-svg-draw path,
.eter-svg-draw line,
.eter-svg-draw circle {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  transition: stroke-dashoffset 2s cubic-bezier(0.65, 0, 0.35, 1);
}

.eter-svg-draw.is-drawing path,
.eter-svg-draw.is-drawing line,
.eter-svg-draw.is-drawing circle {
  stroke-dashoffset: 0;
}

/* ========================================================================
   Floating Particles (canvas overlay)
   ======================================================================== */

.eter-particles-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  opacity: 0.5;
}

/* ========================================================================
   Aurora Gradient Pulse
   ======================================================================== */

.eter-aurora {
  position: relative;
}

.eter-aurora::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(201, 169, 110, 0.06), transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(201, 169, 110, 0.04), transparent 50%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 1s var(--ease-out);
}

.eter-aurora.is-aurora-active::after {
  opacity: 1;
  animation: eterAurora 8s ease-in-out infinite alternate;
}

@keyframes eterAurora {
  0% {
    background:
      radial-gradient(ellipse at 20% 50%, rgba(201, 169, 110, 0.06), transparent 50%),
      radial-gradient(ellipse at 80% 50%, rgba(201, 169, 110, 0.04), transparent 50%);
  }
  33% {
    background:
      radial-gradient(ellipse at 40% 30%, rgba(201, 169, 110, 0.08), transparent 50%),
      radial-gradient(ellipse at 60% 70%, rgba(201, 169, 110, 0.05), transparent 50%);
  }
  66% {
    background:
      radial-gradient(ellipse at 70% 60%, rgba(201, 169, 110, 0.05), transparent 50%),
      radial-gradient(ellipse at 30% 40%, rgba(201, 169, 110, 0.07), transparent 50%);
  }
  100% {
    background:
      radial-gradient(ellipse at 50% 20%, rgba(201, 169, 110, 0.06), transparent 50%),
      radial-gradient(ellipse at 50% 80%, rgba(201, 169, 110, 0.04), transparent 50%);
  }
}

/* ========================================================================
   Animated Gradient Border
   ======================================================================== */

.eter-border-anim {
  position: relative;
}

.eter-border-anim::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: conic-gradient(from var(--border-angle, 0deg), #C9A96E, #A08B5E, #C9A96E);
  opacity: 0;
  z-index: -2;
  transition: opacity 600ms var(--ease-out);
}

.eter-border-anim.is-border-active::after {
  opacity: 0.35;
  animation: eterBorderSpin 4s linear infinite;
}

.eter-border-anim:hover::after {
  opacity: 0.6;
}

@keyframes eterBorderSpin {
  to {
    --border-angle: 360deg;
  }
}

@property --border-angle {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}

/* ========================================================================
   Responsive -- 1060px
   ======================================================================== */

@media (max-width: 1060px) {
  .eter-hero-grid,
  .eter-visual-guide-grid,
  .eter-grid-3,
  .eter-grid-4,
  .eter-problem-grid,
  .eter-case-layout,
  .eter-ui-grid,
  .eter-footer-grid,
  .eter-live-grid,
  .eter-architecture-board {
    grid-template-columns: 1fr;
  }

  .eter-hero-stage {
    min-height: 460px;
  }

  .eter-stage-card-main {
    inset: 24px 0 134px 0;
  }

  .eter-stage-card-side {
    right: 0;
    left: 0;
    width: auto;
    top: auto;
    bottom: 0;
    height: 124px;
  }

  .eter-float-badge-1 {
    left: 12px;
    bottom: 144px;
  }

  .eter-float-badge-2 {
    right: 12px;
    bottom: 144px;
  }

  .eter-hero-cards {
    grid-template-columns: 1fr;
    max-width: 480px;
  }
}

/* ========================================================================
   Responsive -- 980px (Tablet + Mobile Nav)
   ======================================================================== */

@media (max-width: 980px) {
  .eter-header-inner {
    min-height: auto;
    padding: 12px 0;
    flex-wrap: wrap;
  }

  .eter-menu-toggle {
    display: flex;
  }

  .eter-header-cta {
    display: none;
  }

  .eter-lang-switch {
    order: 2;
    margin-left: auto;
    margin-right: 8px;
  }

  .eter-menu-toggle {
    order: 3;
  }

  .eter-nav {
    display: none;
    width: 100%;
    order: 4;
    padding: 16px 0;
    border-top: 1px solid var(--border-subtle);
    margin-top: 8px;
  }

  .eter-nav.is-menu-open {
    display: block;
    animation: eterFadeUp 200ms var(--ease-out);
  }

  .eter-nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .eter-nav-list a {
    display: block;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    transition: background var(--transition-base), color var(--transition-base);
  }

  .eter-nav-list a::after {
    display: none;
  }

  .eter-nav-list a:hover,
  .eter-nav-list a:focus-visible {
    background: var(--bg-surface-hover);
  }

  .eter-legal-page {
    padding-top: 32px;
    padding-bottom: 56px;
  }

  .eter-grid-2 {
    grid-template-columns: 1fr;
  }

  .eter-hero {
    padding-top: 78px;
  }

  .eter-hero h1 {
    font-size: clamp(2rem, 6vw, 3rem);
  }

  .eter-mobile-sticky-cta {
    display: inline-flex;
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: 12px;
    z-index: 90;
    min-height: 48px;
    border-radius: var(--radius-md);
    align-items: center;
    justify-content: center;
    color: #0F0E0D;
    font-size: 14px;
    font-weight: 700;
    background: #C9A96E;
    box-shadow:
      0 14px 32px rgba(0, 0, 0, 0.5),
      0 0 40px var(--glow-primary);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }

  .eter-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  body {
    padding-bottom: 74px;
  }
}

/* ========================================================================
   Responsive -- 640px (Small Mobile)
   ======================================================================== */

@media (max-width: 640px) {
  .eter-container {
    width: calc(100% - 24px);
  }

  .eter-section {
    padding: 48px 0;
  }

  .eter-hero {
    padding: 64px 0 48px;
  }

  .eter-hero h1 {
    font-size: clamp(1.75rem, 7vw, 2.5rem);
  }

  .eter-hero-stage {
    min-height: 360px;
  }

  .eter-float-badge {
    width: 160px;
    padding: 10px;
  }

  .eter-float-badge span {
    font-size: 0.9rem;
  }

  .eter-cta-row {
    flex-direction: column;
  }

  .eter-cta-row .eter-btn {
    width: 100%;
  }

  .eter-compare-wrap {
    border-radius: var(--radius-sm);
  }

  .eter-case-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
  }

  .eter-case-tabs button {
    white-space: nowrap;
    flex-shrink: 0;
  }

  .eter-footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .eter-stats {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .eter-trust-track {
    gap: 32px;
  }

  .eter-pill {
    font-size: 10px;
  }
}

/* ========================================================================
   Reduced Motion
   ======================================================================== */

@media (prefers-reduced-motion: reduce) {
  .eter-trust-track,
  .eter-aurora.is-aurora-active::after,
  .eter-border-anim.is-border-active::after,
  .eter-typed-cursor {
    animation: none !important;
  }

  .eter-svg-draw path,
  .eter-svg-draw line,
  .eter-svg-draw circle {
    stroke-dashoffset: 0 !important;
    transition: none !important;
  }
}

/* ── Badge "Novo" inline em cards de novidades ── */
.eter-badge-new {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  margin-left: 8px;
  border-radius: var(--radius-pill);
  background: rgba(201, 169, 110, 0.15);
  border: 1px solid rgba(201, 169, 110, 0.35);
  color: #C9A96E;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  vertical-align: middle;
}

/* ══════════════════════════════════════════════
   Página Desenvolvedores — Bug Bounty + Open Source
   ══════════════════════════════════════════════ */

.eter-dev-page .eter-legal-header p {
  font-size: 1.1rem;
  color: var(--text-secondary, #9E9890);
  margin-top: 8px;
}

/* ── Bounty severity grid ── */
.eter-dev-bounty-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.eter-dev-bounty-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.03);
}

.eter-dev-bounty-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  align-self: flex-start;
}

.eter-dev-bounty-critical .eter-dev-bounty-label {
  background: rgba(220, 60, 60, 0.15);
  color: #E56B6B;
  border: 1px solid rgba(220, 60, 60, 0.3);
}

.eter-dev-bounty-high .eter-dev-bounty-label {
  background: rgba(220, 140, 40, 0.15);
  color: #E5A84A;
  border: 1px solid rgba(220, 140, 40, 0.3);
}

.eter-dev-bounty-medium .eter-dev-bounty-label {
  background: rgba(100, 180, 120, 0.12);
  color: #6DBF85;
  border: 1px solid rgba(100, 180, 120, 0.25);
}

.eter-dev-bounty-desc {
  font-size: 0.875rem;
  color: var(--text-primary, #E8E2D8);
  line-height: 1.5;
}

.eter-dev-bounty-reward {
  font-size: 0.8rem;
  color: #C9A96E;
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

/* ── Open source library cards ── */
.eter-dev-libs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.eter-dev-lib-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(201, 169, 110, 0.15);
  background: rgba(201, 169, 110, 0.03);
  transition: border-color var(--transition-base);
}

.eter-dev-lib-card:hover {
  border-color: rgba(201, 169, 110, 0.35);
}

.eter-dev-lib-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.eter-dev-lib-name {
  font-size: 1rem;
  font-weight: 600;
  color: #C9A96E;
  font-family: 'Sora', monospace;
}

.eter-dev-lib-platform {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text-secondary, #9E9890);
}

.eter-dev-lib-desc {
  font-size: 0.875rem;
  color: var(--text-primary, #E8E2D8);
  line-height: 1.6;
  margin: 0;
}

.eter-dev-lib-desc code {
  font-family: 'Sora', monospace;
  font-size: 0.8rem;
  color: #C9A96E;
  background: rgba(201, 169, 110, 0.1);
  padding: 1px 6px;
  border-radius: 4px;
}

/* ── Code blocks ── */
.eter-dev-code-block {
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.06);
}

.eter-dev-code-label {
  display: block;
  padding: 6px 12px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text-secondary, #9E9890);
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.eter-dev-code-block pre {
  margin: 0;
  padding: 14px 16px;
  background: rgba(0,0,0,0.3);
  overflow-x: auto;
}

.eter-dev-code-block code {
  font-family: 'Sora', ui-monospace, monospace;
  font-size: 0.82rem;
  color: #E8E2D8;
  line-height: 1.6;
}

/* ── Library action links ── */
.eter-dev-lib-links {
  display: flex;
  gap: 8px;
  margin-top: auto;
  padding-top: 4px;
}

.eter-dev-lib-link {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-base);
  background: #C9A96E;
  color: #0F0E0D;
}

.eter-dev-lib-link:hover {
  background: #DFC088;
  color: #0F0E0D;
}

.eter-dev-lib-link-ghost {
  background: transparent;
  color: #C9A96E;
  border: 1px solid rgba(201, 169, 110, 0.4);
}

.eter-dev-lib-link-ghost:hover {
  background: rgba(201, 169, 110, 0.1);
  color: #DFC088;
}

/* ── Hall of Fame placeholder ── */
.eter-dev-hall-empty {
  color: var(--text-secondary, #9E9890);
  font-style: italic;
  text-align: center;
  padding: 32px 0;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .eter-dev-bounty-grid {
    grid-template-columns: 1fr;
  }

  .eter-dev-libs {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .eter-dev-lib-header {
    flex-direction: column;
    gap: 4px;
  }
}