/* Lucenri — Email Verification feature page (standalone) */

:root {
  --ev-bg: var(--lv-space);
  --ev-bg-alt: var(--lv-navy-alt);
  --ev-surface: var(--lv-glass-strong);
  --ev-border: var(--lv-glass-border);
  --ev-gold: var(--lv-gold);
  --ev-gold-light: var(--lv-gold-light);
  --ev-gold-deep: var(--lv-gold-deep);
  --ev-blue: var(--lv-blue);
  --ev-blue-deep: var(--lv-blue-deep);
  --ev-wordmark: var(--lv-blue-bright);
  --ev-text: var(--lv-text);
  --ev-muted: var(--lv-muted);
  --ev-on-gold: var(--lv-on-gold);
  --ev-max: var(--lv-content-max);
  --ev-radius: var(--lv-radius-card);
  --ev-btn-radius: var(--lv-radius-button);
  --ev-nav-radius: var(--lv-radius-pill);
  --ev-focus: var(--lv-focus);
  --ev-cta-gradient: var(--lv-cta-gradient);
  --ev-cta-shadow: var(--lv-cta-shadow);
  --ev-space-1: 0.35rem;
  --ev-space-2: 0.65rem;
  --ev-space-3: 1rem;
  --ev-space-4: 1.35rem;
  --ev-space-5: 1.75rem;
  --ev-space-6: 2.5rem;
  --ev-section-y: var(--lv-section-y);
  --ev-hero-y: var(--lv-hero-y);
  --ev-card-pad: var(--lv-card-pad);
  --ev-h1-size: var(--lv-h1);
  --ev-h2-size: var(--lv-h2);
  --ev-lead-size: var(--lv-lead);
  --ev-btn-height: var(--lv-button-height);
  --ev-btn-pad-x: var(--lv-button-pad-x);
  --ev-trust-gap: var(--lv-trust-gap);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body.feature-page {
  margin: 0;
  min-height: 100vh;
  color: var(--ev-text);
  font-family: var(--lv-font-body);
  line-height: 1.6;
  background:
    radial-gradient(ellipse 70% 45% at 8% -6%, rgba(61, 90, 128, 0.4), transparent 55%),
    radial-gradient(ellipse 50% 35% at 92% 4%, rgba(196, 165, 116, 0.18), transparent 50%),
    radial-gradient(ellipse 45% 32% at 72% 28%, rgba(36, 59, 85, 0.22), transparent 58%),
    linear-gradient(180deg, #0B1020 0%, var(--ev-bg) 35%, #080C14 100%);
  background-attachment: fixed;
}

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

a {
  color: var(--ev-gold-light);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--ev-gold);
}

:focus-visible {
  outline: none;
  box-shadow: var(--ev-focus);
  border-radius: 6px;
}

.feature-shell {
  width: min(100% - 2rem, var(--ev-max));
  margin-inline: auto;
}

.feature-skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 1000;
  padding: 0.7rem 1rem;
  background: var(--ev-gold);
  color: #091427;
  font-weight: 700;
  text-decoration: none;
  border-radius: 8px;
}

.feature-skip-link:focus {
  top: 1rem;
}

/* Header — static visual twin of homepage chrome */

.feature-header {
  position: sticky;
  top: 0;
  z-index: 50;
  -webkit-backdrop-filter: blur(16px) saturate(1.15);
  backdrop-filter: blur(16px) saturate(1.15);
  background: rgba(11, 16, 32, 0.94);
  border-bottom: 1px solid rgba(61, 90, 128, 0.14);
}

.feature-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 3.35rem;
  padding-block: 0.55rem;
}

.feature-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
  min-width: 0;
  flex-shrink: 0;
}

.feature-logo__mark {
  flex: 0 0 auto;
  width: 52px;
  height: 52px;
}

.feature-logo__text {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.feature-logo__name {
  font-family: "Plus Jakarta Sans", "Segoe UI", sans-serif;
  font-weight: 800;
  font-size: 1.02rem;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--ev-wordmark);
  text-shadow: 0 0 18px rgba(61, 90, 128, 0.26);
}

.feature-logo__tagline {
  font-family: "Plus Jakarta Sans", "Segoe UI", sans-serif;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-transform: none;
  color: var(--ev-gold);
  line-height: 1.25;
  white-space: nowrap;
}

.feature-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: clamp(6px, 0.7vw, 10px);
  min-width: 0;
}

.feature-nav a:not(.feature-button) {
  display: inline-flex;
  align-items: center;
  color: rgba(248, 250, 252, 0.78);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  padding: 6px 14px;
  border-radius: var(--ev-nav-radius);
  white-space: nowrap;
  transition: color 180ms ease, background-color 180ms ease;
}

.feature-nav a:not(.feature-button):hover {
  color: rgba(248, 250, 252, 0.96);
  background: rgba(61, 90, 128, 0.14);
}

.feature-nav a:not(.feature-button)[aria-current="page"] {
  color: var(--ev-text);
  background: rgba(61, 90, 128, 0.2);
  font-weight: 600;
}

.feature-nav a:not(.feature-button):focus-visible {
  border-radius: var(--ev-nav-radius);
}

/* Breadcrumb */

.feature-breadcrumb {
  padding: 0.75rem 0 0.15rem;
}

.feature-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--ev-muted);
  font-size: 0.88rem;
}

.feature-breadcrumb li:not(:last-child)::after {
  content: "/";
  margin-left: 0.4rem;
  color: rgba(148, 163, 184, 0.55);
}

.feature-breadcrumb a {
  color: var(--ev-muted);
  text-decoration: none;
}

.feature-breadcrumb a:hover {
  color: var(--ev-gold-light);
}

.feature-breadcrumb [aria-current="page"] {
  color: var(--ev-text);
  font-weight: 600;
}

/* Hero */

.feature-hero {
  position: relative;
  isolation: isolate;
  overflow: clip;
  padding: var(--ev-hero-y) 0 1.15rem;
}

.feature-hero::before {
  content: "";
  position: absolute;
  z-index: -2;
  inset: -4rem 0 auto;
  height: 28rem;
  pointer-events: none;
  background:
    radial-gradient(ellipse 32% 48% at 69% 45%, rgba(91, 143, 216, 0.2), transparent 72%),
    radial-gradient(ellipse 22% 34% at 82% 58%, rgba(123, 170, 249, 0.1), transparent 72%),
    radial-gradient(ellipse 18% 28% at 59% 52%, rgba(196, 165, 116, 0.045), transparent 76%);
}

.feature-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 1.5rem 2rem;
  align-items: center;
}

.feature-hero__grid::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: 39%;
  right: -5%;
  top: 49%;
  height: 1px;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(91, 143, 216, 0.12) 22%,
    rgba(123, 170, 249, 0.32) 58%,
    rgba(242, 212, 122, 0.12) 84%,
    transparent
  );
  box-shadow: 0 0 18px rgba(91, 143, 216, 0.18);
}

.feature-eyebrow {
  margin: 0 0 0.55rem;
  color: var(--ev-gold);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.feature-hero h1 {
  margin: 0 0 var(--ev-space-2);
  font-family: Syne, "Plus Jakarta Sans", sans-serif;
  font-size: var(--ev-h1-size);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.02em;
}

.feature-lead,
.feature-intro {
  margin: 0 0 var(--ev-space-4);
  color: var(--ev-muted);
  font-size: var(--ev-lead-size);
  line-height: 1.65;
  max-width: 40rem;
}

.feature-hero .feature-lead {
  max-width: 36rem;
  margin-bottom: 0.9rem;
  line-height: 1.6;
}

.feature-note {
  margin: var(--ev-space-3) 0 0;
  color: rgba(148, 163, 184, 0.9);
  font-size: 0.88rem;
  line-height: 1.5;
}

.feature-hero .feature-note {
  margin: var(--ev-space-2) 0 0;
}

.feature-hero__visual {
  position: relative;
  isolation: isolate;
  display: grid;
  place-items: center;
  min-height: 270px;
  padding: 0.25rem;
  overflow: visible;
}

.feature-hero__visual::before,
.feature-hero__visual::after {
  content: "";
  position: absolute;
  z-index: 0;
  pointer-events: none;
}

.feature-hero__visual::before {
  inset: -6% -12%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 48%, rgba(123, 170, 249, 0.22), transparent 34%),
    radial-gradient(circle at 50% 52%, rgba(61, 90, 128, 0.17), transparent 58%);
  filter: blur(9px);
}

.feature-hero__visual::after {
  inset: 11% -5%;
  border: 1px solid rgba(123, 170, 249, 0.1);
  border-radius: 48% 52% 46% 54%;
  background:
    linear-gradient(118deg, rgba(255, 255, 255, 0.055), transparent 32%),
    linear-gradient(300deg, rgba(91, 143, 216, 0.045), transparent 42%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.055),
    0 0 44px rgba(91, 143, 216, 0.06);
  transform: rotate(-7deg);
}

.feature-hero__visual img {
  position: relative;
  z-index: 2;
  width: min(100%, 258px);
  height: auto;
  opacity: 0.94;
  mix-blend-mode: screen;
  filter:
    saturate(0.3)
    brightness(1.12)
    contrast(1.06)
    drop-shadow(0 16px 30px rgba(0, 0, 0, 0.38))
    drop-shadow(0 0 32px rgba(123, 170, 249, 0.34))
    drop-shadow(0 0 20px rgba(242, 212, 122, 0.12));
}

.feature-crystal-spectrum {
  position: absolute;
  z-index: 2;
  left: 50%;
  top: 50%;
  width: min(100%, 258px);
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  pointer-events: none;
  background:
    linear-gradient(
      146deg,
      transparent 43%,
      rgba(82, 178, 255, 0.48) 46%,
      rgba(150, 112, 255, 0.16) 48%,
      rgba(208, 62, 72, 0.18) 50%,
      rgba(242, 132, 46, 0.5) 52%,
      rgba(247, 207, 108, 0.38) 54%,
      transparent 57%
    ),
    linear-gradient(
      118deg,
      transparent 8%,
      rgba(80, 145, 255, 0.7) 20%,
      transparent 33%,
      rgba(255, 255, 255, 0.32) 42%,
      transparent 49%,
      rgba(242, 196, 92, 0.62) 59%,
      rgba(239, 133, 48, 0.34) 66%,
      rgba(205, 62, 54, 0.12) 71%,
      transparent 79%
    ),
    linear-gradient(
      28deg,
      transparent 18%,
      rgba(86, 165, 255, 0.38) 31%,
      transparent 39%,
      rgba(255, 244, 216, 0.3) 52%,
      rgba(242, 174, 70, 0.26) 58%,
      transparent 67%
    ),
    conic-gradient(
      from 214deg at 50% 48%,
      transparent 0deg,
      rgba(104, 178, 255, 0.32) 42deg,
      transparent 82deg,
      rgba(255, 224, 145, 0.3) 138deg,
      transparent 182deg,
      rgba(235, 111, 55, 0.13) 224deg,
      transparent 258deg,
      rgba(123, 170, 249, 0.24) 316deg,
      transparent 360deg
    );
  -webkit-mask: url("/assets/brand/lucenri-crystal-dark-512.webp") center / contain no-repeat;
  mask: url("/assets/brand/lucenri-crystal-dark-512.webp") center / contain no-repeat;
  mix-blend-mode: screen;
  opacity: 0.58;
  filter: saturate(1.05) contrast(1.08);
}

.feature-crystal-spectrum::before,
.feature-crystal-spectrum::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.feature-crystal-spectrum::before {
  background:
    linear-gradient(154deg, transparent 30%, rgba(230, 245, 255, 0.46) 36%, transparent 40%),
    linear-gradient(72deg, transparent 52%, rgba(255, 220, 138, 0.28) 58%, rgba(243, 121, 52, 0.12) 61%, transparent 65%);
  mix-blend-mode: screen;
}

.feature-crystal-spectrum::after {
  background:
    radial-gradient(ellipse 20% 38% at 36% 42%, rgba(112, 184, 255, 0.28), transparent 72%),
    radial-gradient(ellipse 18% 32% at 68% 62%, rgba(255, 196, 96, 0.22), transparent 72%);
  mix-blend-mode: color-dodge;
  opacity: 0.42;
}

.feature-crystal-refraction {
  position: absolute;
  z-index: 3;
  left: 50%;
  top: 50%;
  display: grid;
  align-content: center;
  gap: 0.46rem;
  width: 7.5rem;
  height: 6rem;
  overflow: hidden;
  transform: translate(-50%, -50%) rotate(-2deg);
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(216, 232, 248, 0.12), transparent 64%);
  clip-path: ellipse(44% 47% at 50% 50%);
  mix-blend-mode: screen;
  pointer-events: none;
}

.feature-crystal-refraction::before {
  content: "";
  position: absolute;
  inset: 18%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.14), rgba(123, 170, 249, 0.08) 46%, transparent 72%);
  filter: blur(3px);
  animation: feature-refraction-breathe 3.8s ease-in-out infinite;
}

.feature-crystal-refraction span {
  position: relative;
  display: block;
  height: 1px;
  background: linear-gradient(
    90deg,
    rgba(91, 143, 216, 0.22),
    rgba(123, 170, 249, 0.96) 35%,
    rgba(235, 245, 255, 0.96) 52%,
    rgba(242, 212, 122, 0.88) 68%,
    rgba(239, 133, 48, 0.48) 80%,
    rgba(205, 62, 54, 0.14) 88%,
    rgba(196, 165, 116, 0.1)
  );
  background-size: 180% 100%;
  box-shadow:
    -12px 0 8px rgba(91, 143, 216, 0.28),
    12px 0 8px rgba(196, 165, 116, 0.2);
  animation: feature-refraction-flow 2.8s ease-in-out infinite;
}

.feature-crystal-refraction span:nth-child(1) {
  transform: translateX(-0.35rem) rotate(4deg);
}

.feature-crystal-refraction span:nth-child(2) {
  animation-delay: 0.35s;
}

.feature-crystal-refraction span:nth-child(3) {
  transform: translateX(0.35rem) rotate(-4deg);
  animation-delay: 0.7s;
}

.feature-crystal-signal {
  position: absolute;
  z-index: 1;
  height: 1px;
  border-radius: 999px;
  pointer-events: none;
  background-size: 220% 100%;
  animation: feature-signal-flow 5.5s ease-in-out infinite;
}

.feature-crystal-signal::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(123, 170, 249, 0.96);
  box-shadow: 0 0 10px rgba(123, 170, 249, 0.78);
  transform: translateY(-50%);
  animation: feature-signal-particle 3.4s ease-in-out infinite;
}

.feature-crystal-signal--in {
  left: -24%;
  width: 74%;
  background-image: linear-gradient(90deg, transparent, rgba(91, 143, 216, 0.24), rgba(123, 170, 249, 0.9));
  box-shadow: 0 0 12px rgba(91, 143, 216, 0.28);
}

.feature-crystal-signal--out {
  left: 50%;
  width: 65%;
  background-image: linear-gradient(90deg, rgba(235, 245, 255, 0.92), rgba(242, 212, 122, 0.68), transparent);
  box-shadow: 0 0 10px rgba(196, 165, 116, 0.18);
}

.feature-crystal-signal--out::after {
  background: rgba(242, 212, 122, 0.95);
  box-shadow: 0 0 10px rgba(196, 165, 116, 0.72);
}

.feature-crystal-signal--one { top: 39%; transform: rotate(5deg); }
.feature-crystal-signal--two { top: 50%; transform: rotate(-1deg); animation-delay: 0.7s; }
.feature-crystal-signal--three { top: 61%; transform: rotate(-6deg); animation-delay: 1.4s; }
.feature-crystal-signal--four { top: 45%; transform: rotate(-4deg); animation-delay: 0.35s; }
.feature-crystal-signal--five { top: 57%; transform: rotate(5deg); animation-delay: 1.05s; }

.feature-crystal-particle {
  position: absolute;
  z-index: 3;
  display: grid;
  place-items: center;
  width: 1.35rem;
  height: 1.35rem;
  border: 1px solid rgba(123, 170, 249, 0.2);
  border-radius: 50%;
  color: rgba(216, 232, 248, 0.82);
  background: rgba(10, 18, 32, 0.66);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 0 14px rgba(91, 143, 216, 0.18);
  font-size: 0.68rem;
  pointer-events: none;
  animation: feature-particle-pulse 4s ease-in-out infinite;
}

.feature-crystal-particle::before {
  line-height: 1;
}

.feature-crystal-particle--mail {
  left: 7%;
  top: 43%;
}

.feature-crystal-particle--mail::before {
  content: "✉";
}

.feature-crystal-particle--verified {
  right: 5%;
  top: 52%;
  color: var(--ev-gold-light);
  border-color: rgba(196, 165, 116, 0.2);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 0 14px rgba(196, 165, 116, 0.16);
  animation-delay: 1.1s;
}

.feature-crystal-particle--verified::before {
  content: "✉";
}

.feature-crystal-particle--verified::after {
  content: "✓";
  position: absolute;
  right: -0.2rem;
  bottom: -0.2rem;
  display: grid;
  place-items: center;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  color: var(--ev-on-gold);
  background: var(--ev-gold-light);
  box-shadow: 0 0 9px rgba(196, 165, 116, 0.44);
  font-size: 0.48rem;
  font-weight: 800;
}

@keyframes feature-signal-flow {
  0%, 100% { background-position: 100% 0; opacity: 0.42; }
  50% { background-position: 0 0; opacity: 0.9; }
}

@keyframes feature-signal-particle {
  0% { left: 2%; opacity: 0; }
  18% { opacity: 1; }
  82% { opacity: 1; }
  100% { left: 96%; opacity: 0; }
}

@keyframes feature-refraction-flow {
  0%, 100% { background-position: 100% 0; opacity: 0.54; }
  50% { background-position: 0 0; opacity: 1; }
}

@keyframes feature-refraction-breathe {
  0%, 100% { opacity: 0.55; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.06); }
}

@keyframes feature-particle-pulse {
  0%, 100% { opacity: 0.55; transform: scale(0.92); }
  50% { opacity: 1; transform: scale(1); }
}

/* Trust strip */

.feature-trust {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.55rem 0.85rem;
  list-style: none;
  margin: var(--ev-trust-gap) 0 0;
  padding: 0.85rem 1rem;
  border-radius: 14px;
  border: 1px solid rgba(123, 170, 249, 0.18);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.045), transparent 44%),
    rgba(13, 22, 38, 0.54);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 10px 28px rgba(0, 0, 0, 0.2),
    0 0 28px rgba(91, 143, 216, 0.05);
  -webkit-backdrop-filter: blur(10px) saturate(1.08);
  backdrop-filter: blur(10px) saturate(1.08);
}

.feature-trust__item {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
}

.feature-trust__item::before {
  content: "";
  flex: 0 0 auto;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--ev-gold);
  box-shadow: 0 0 10px rgba(196, 165, 116, 0.55);
}

.feature-trust__item:nth-child(2n)::before {
  background: var(--ev-wordmark);
  box-shadow: 0 0 10px rgba(107, 154, 200, 0.5);
}

.feature-trust__label {
  font-size: 0.78rem;
  font-weight: 600;
  color: rgba(248, 250, 252, 0.9);
  line-height: 1.3;
  letter-spacing: 0.01em;
}

.feature-trust__note {
  margin: 0.55rem 0 0;
  padding: 0 0.15rem;
  font-size: 0.72rem;
  font-weight: 500;
  line-height: 1.4;
  color: rgba(148, 163, 184, 0.78);
}

/* Sections */

.feature-section {
  padding: var(--ev-section-y) 0;
}

.feature-hero + .feature-section {
  padding-top: 0.85rem;
}

.feature-hero + .feature-section .feature-card {
  border-color: rgba(123, 170, 249, 0.21);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.075), transparent 40%),
    rgba(13, 22, 38, 0.48);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 12px 26px rgba(0, 0, 0, 0.19),
    0 0 26px rgba(91, 143, 216, 0.065);
}

.feature-section--alt {
  background: linear-gradient(180deg, rgba(15, 21, 36, 0.72), rgba(10, 14, 24, 0.35));
  border-block: 1px solid rgba(61, 90, 128, 0.12);
}

.feature-section h2 {
  margin: 0 0 var(--ev-space-2);
  font-family: Syne, "Plus Jakarta Sans", sans-serif;
  font-size: var(--ev-h2-size);
  font-weight: 800;
  letter-spacing: -0.015em;
  line-height: 1.22;
}

.feature-section > .feature-shell > p {
  color: var(--ev-muted);
  max-width: 46rem;
}

.feature-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--ev-space-3);
  margin-top: var(--ev-space-5);
}

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

.feature-card {
  position: relative;
  overflow: hidden;
  padding: var(--ev-card-pad);
  border-radius: var(--ev-radius);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.075), transparent 38%),
    radial-gradient(circle at 90% 110%, rgba(196, 165, 116, 0.035), transparent 46%),
    rgba(15, 24, 40, 0.43);
  border: 1px solid rgba(123, 170, 249, 0.2);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.13),
    inset 1px 0 0 rgba(123, 170, 249, 0.035),
    inset -1px 0 0 rgba(196, 165, 116, 0.025),
    0 10px 24px rgba(0, 0, 0, 0.2),
    0 0 24px rgba(91, 143, 216, 0.06);
  backdrop-filter: blur(9px) saturate(1.06);
  -webkit-backdrop-filter: blur(9px) saturate(1.06);
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

.feature-card::before {
  content: "";
  position: absolute;
  inset: 0 12% auto;
  height: 1px;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(216, 232, 248, 0.24), rgba(196, 165, 116, 0.08), transparent);
  opacity: 0.72;
}

.feature-card:hover {
  border-color: rgba(196, 165, 116, 0.28);
  box-shadow:
    inset 0 1px 0 rgba(248, 250, 252, 0.08),
    0 12px 28px rgba(0, 0, 0, 0.26),
    0 0 28px rgba(196, 165, 116, 0.09);
  transform: translateY(-1px);
}

.feature-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ev-text);
}

.feature-card p {
  margin: 0;
  color: var(--ev-muted);
  font-size: 0.94rem;
  line-height: 1.55;
}

.feature-step-num {
  margin: 0 0 0.55rem !important;
  color: var(--ev-gold) !important;
  font-family: Syne, sans-serif;
  font-size: 1.15rem !important;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.feature-limitation {
  margin: 1.5rem 0 0;
  padding: 1rem 1.15rem;
  border-left: 3px solid var(--ev-blue);
  background: rgba(42, 64, 96, 0.18);
  color: var(--ev-muted);
  font-size: 0.95rem;
}

.feature-list {
  margin: 1.25rem 0 1.5rem;
  padding-left: 1.15rem;
  color: var(--ev-muted);
}

.feature-list li + li {
  margin-top: 0.4rem;
}

/* Buttons / CTAs */

.feature-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: var(--ev-space-1);
}

.feature-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--ev-btn-height);
  padding: 0.65rem var(--ev-btn-pad-x);
  border-radius: var(--ev-btn-radius);
  font-weight: 700;
  font-size: 0.94rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition:
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease,
    opacity 180ms ease;
}

.feature-button--compact {
  min-height: 2.25rem;
  padding: 0.4rem 0.95rem;
  font-size: 0.86rem;
}

.feature-button--primary {
  background: var(--ev-cta-gradient);
  color: var(--ev-on-gold);
  border-color: rgba(255, 236, 200, 0.3);
  box-shadow: var(--ev-cta-shadow);
}

.feature-button--primary:hover {
  color: var(--ev-on-gold);
  background: linear-gradient(135deg, #f5d06e 0%, #d4bc8a 50%, #d49436 100%);
  box-shadow: 0 6px 18px rgba(229, 168, 75, 0.38);
  transform: translateY(-1px);
}

.feature-button--secondary {
  background: rgba(61, 90, 128, 0.18);
  color: var(--ev-text);
  border-color: rgba(61, 90, 128, 0.4);
}

.feature-button--secondary:hover {
  color: var(--ev-text);
  border-color: rgba(196, 165, 116, 0.35);
}

.feature-button:focus-visible {
  box-shadow: var(--ev-focus);
}

.feature-button--primary:focus-visible {
  box-shadow: var(--ev-focus), var(--ev-cta-shadow);
}

/* FAQ */

.feature-faq {
  margin-top: 1.5rem;
  display: grid;
  gap: 0.65rem;
}

.feature-faq details {
  border: 1px solid rgba(123, 170, 249, 0.18);
  border-radius: var(--ev-radius);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.055), transparent 45%),
    rgba(15, 24, 40, 0.5);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.09),
    0 0 22px rgba(91, 143, 216, 0.05);
  -webkit-backdrop-filter: blur(10px) saturate(1.05);
  backdrop-filter: blur(10px) saturate(1.05);
  padding: 0.15rem 0;
}

.feature-faq summary {
  cursor: pointer;
  list-style: none;
  padding: 0.95rem 1.15rem;
  font-weight: 700;
  color: var(--ev-text);
}

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

.feature-faq summary::after {
  content: "+";
  float: right;
  color: var(--ev-gold);
  font-weight: 800;
}

.feature-faq details[open] summary::after {
  content: "–";
}

.feature-faq details p {
  margin: 0;
  padding: 0 1.15rem 1.05rem;
  color: var(--ev-muted);
}

.feature-faq summary:focus-visible {
  box-shadow: inset var(--ev-focus);
}

/* Final CTA */

.feature-final-cta {
  text-align: center;
  background:
    radial-gradient(ellipse 70% 80% at 50% 0%, rgba(123, 170, 249, 0.13), transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 100%, rgba(196, 165, 116, 0.08), transparent 55%),
    linear-gradient(180deg, rgba(15, 25, 42, 0.48), rgba(8, 13, 23, 0.82));
  border-top: 1px solid rgba(123, 170, 249, 0.14);
}

.feature-final-cta .feature-intro {
  margin-inline: auto;
}

.feature-final-cta .feature-cta-row {
  justify-content: center;
  margin-top: 1.25rem;
}

/* Footer */

.feature-footer {
  padding: 2.25rem 0 2.75rem;
  border-top: 1px solid rgba(61, 90, 128, 0.16);
  background: rgba(8, 12, 20, 0.88);
}

.feature-footer__inner {
  display: grid;
  gap: 0.85rem;
}

.feature-footer__brand {
  margin: 0;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-weight: 800;
  font-size: 1.02rem;
  color: var(--ev-wordmark);
  letter-spacing: -0.02em;
}

.feature-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.15rem;
}

.feature-footer__nav a {
  color: var(--ev-muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
}

.feature-footer__nav a:hover {
  color: var(--ev-gold-light);
}

.feature-footer__meta {
  margin: 0.35rem 0 0;
  color: rgba(148, 163, 184, 0.72);
  font-size: 0.85rem;
}

/* Responsive */

@media (max-width: 900px) {
  .feature-hero__grid {
    grid-template-columns: 1fr;
  }

  .feature-hero__grid::after {
    display: none;
  }

  .feature-hero__visual {
    order: -1;
    width: 100%;
    max-width: 340px;
    min-height: 230px;
    margin-inline: auto;
    padding: 0;
  }

  .feature-hero__visual img {
    width: min(100%, 230px);
  }

  .feature-crystal-spectrum {
    width: min(100%, 230px);
  }

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

  .feature-card-grid,
  .feature-card-grid--steps {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .feature-header__inner {
    flex-direction: column;
    align-items: flex-start;
    min-height: 0;
    padding-block: 0.55rem;
    gap: 0.65rem;
  }

  .feature-logo__mark {
    width: 52px;
    height: 52px;
  }

  .feature-logo__tagline {
    white-space: normal;
  }

  .feature-nav {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    gap: 4px;
    padding-bottom: 2px;
  }

  .feature-nav::-webkit-scrollbar {
    display: none;
  }

  .feature-nav a:not(.feature-button) {
    flex-shrink: 0;
    padding: 5px 12px;
  }

  .feature-nav .feature-button--compact {
    flex-shrink: 0;
  }

  .feature-hero {
    padding-top: 1rem;
  }

  .feature-crystal-signal--in {
    left: -8%;
    width: 58%;
  }

  .feature-crystal-signal--out {
    left: 50%;
    width: 58%;
  }

  .feature-section {
    padding: 2.15rem 0;
  }

  .feature-hero + .feature-section {
    padding-top: 1.1rem;
  }

  .feature-cta-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
  }

  .feature-cta-row .feature-button {
    width: 100%;
    max-width: 100%;
  }

  .feature-final-cta .feature-cta-row {
    align-items: stretch;
  }

  .feature-trust {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.7rem;
    padding: 0.85rem 0.95rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .feature-hero__visual,
  .feature-hero__visual::before,
  .feature-hero__visual::after,
  .feature-crystal-signal,
  .feature-crystal-signal::after,
  .feature-crystal-refraction::before,
  .feature-crystal-refraction span,
  .feature-crystal-particle,
  .feature-card,
  .feature-button,
  .feature-nav a:not(.feature-button) {
    animation: none !important;
    transition: none !important;
  }

  .feature-card:hover,
  .feature-button--primary:hover {
    transform: none;
  }

  .feature-button--primary:hover {
    box-shadow: var(--ev-cta-shadow);
  }
}