/* Sapphire Echo — NeuraNetSys Digital */
:root {
  --sapphire: #0b1f4a;
  --sapphire-mid: #163a7a;
  --sapphire-bright: #2f6fed;
  --cyan-glass: #5ee0f0;
  --cyan-soft: rgba(94, 224, 240, 0.35);
  --indigo-shadow: #06122e;
  --white-hl: #f4f8ff;
  --ink: #0e1a33;
  --ink-soft: #3a4a6a;
  --muted: #6a7a96;
  --surface: rgba(244, 248, 255, 0.72);
  --line: rgba(22, 58, 122, 0.16);
  --glass: rgba(255, 255, 255, 0.42);
  --font-display: "Syne", "Segoe UI", sans-serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;
  --space: clamp(1rem, 2vw, 1.75rem);
  --max: 70rem;
  --header-h: 4.1rem;
  --ease-crystal: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-wave: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1.05rem;
  line-height: 1.65;
  letter-spacing: 0.01em;
  color: var(--ink);
  background:
    radial-gradient(ellipse 50% 42% at 8% 0%, rgba(94, 224, 240, 0.22), transparent 55%),
    radial-gradient(ellipse 45% 38% at 92% 6%, rgba(47, 111, 237, 0.2), transparent 52%),
    radial-gradient(ellipse 55% 45% at 50% 100%, rgba(11, 31, 74, 0.12), transparent 58%),
    linear-gradient(175deg, #eef4ff 0%, #dce8fb 45%, #c5d6f2 100%);
  background-attachment: fixed;
}

body::before {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.5;
  background:
    repeating-linear-gradient(
      115deg,
      transparent 0,
      transparent 18px,
      rgba(94, 224, 240, 0.04) 18px,
      rgba(94, 224, 240, 0.04) 19px,
      transparent 19px,
      transparent 38px,
      rgba(47, 111, 237, 0.035) 38px,
      rgba(47, 111, 237, 0.035) 39px
    );
  animation: crystalShimmer 28s linear infinite;
}

@keyframes crystalShimmer {
  0% { background-position: 0 0; }
  100% { background-position: 120px 60px; }
}

@media (prefers-reduced-motion: reduce) {
  body::before { animation: none; }
}

main,
.site-header,
.site-footer,
.cookie-banner {
  position: relative;
  z-index: 1;
}

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

a {
  color: var(--sapphire-mid);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color 0.25s var(--ease-crystal);
}

a:hover {
  color: var(--sapphire-bright);
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--sapphire);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.45rem, 2.8vw, 2.05rem); }
h3 { font-size: 1.22rem; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: rgba(238, 244, 255, 0.78);
  border-bottom: 1px solid var(--line);
  box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.45);
}

.site-header__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.8rem var(--space);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}

.brand {
  font-family: var(--font-display);
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--sapphire);
  text-decoration: none;
  max-width: 14rem;
  line-height: 1.2;
}

.brand:hover {
  color: var(--sapphire-bright);
}

.site-nav ul {
  display: flex;
  gap: 1.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--ink-soft);
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--sapphire-bright);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  padding: 0.4rem;
  cursor: pointer;
}

.nav-toggle__bar {
  display: block;
  width: 1.4rem;
  height: 2px;
  margin: 0.28rem 0;
  background: var(--sapphire);
  border-radius: 2px;
}

@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(238, 244, 255, 0.97);
    border-bottom: 1px solid var(--line);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s var(--ease-crystal);
  }
  .site-nav.is-open { max-height: 20rem; }
  .site-nav ul {
    flex-direction: column;
    padding: 1rem var(--space) 1.4rem;
    gap: 0.9rem;
  }
}

/* Buttons — crystalline waveform */
.btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 0.65rem;
  padding: 0.9rem 1.55rem;
  cursor: pointer;
  transition:
    transform 0.35s var(--ease-wave),
    box-shadow 0.35s var(--ease-wave),
    background 0.35s var(--ease-crystal);
  --wave-x: 50%;
  --wave-y: 50%;
}

.btn--crystal {
  color: var(--white-hl);
  background:
    linear-gradient(135deg, var(--sapphire) 0%, var(--sapphire-mid) 45%, var(--sapphire-bright) 100%);
  box-shadow:
    0 12px 32px rgba(11, 31, 74, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.35),
    inset 0 -1px 0 rgba(94, 224, 240, 0.2);
}

.btn--crystal::after {
  content: "";
  position: absolute;
  left: var(--wave-x);
  top: var(--wave-y);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  background:
    radial-gradient(circle, rgba(94, 224, 240, 0.55) 0%, rgba(244, 248, 255, 0.25) 40%, transparent 70%);
  opacity: 0;
  pointer-events: none;
}

.btn--crystal.is-waving::after {
  animation: crystalWave 0.9s var(--ease-wave) forwards;
}

@keyframes crystalWave {
  0% {
    opacity: 0.9;
    transform: translate(-50%, -50%) scale(0);
    box-shadow: 0 0 0 0 rgba(94, 224, 240, 0.5);
  }
  60% {
    opacity: 0.45;
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(28);
    box-shadow: 0 0 0 18px transparent;
  }
}

.btn--crystal:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow:
    0 16px 36px rgba(47, 111, 237, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.btn--ghost {
  color: var(--sapphire);
  background: rgba(255, 255, 255, 0.4);
  border-color: var(--line);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.7);
  color: var(--indigo-shadow);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

/* Hero — full-bleed crystal chamber (anti-duplicate vs panel-below) */
.hero-crystal {
  position: relative;
  min-height: min(92vh, 52rem);
  display: grid;
  align-items: end;
  overflow: hidden;
}

.hero-crystal__plane {
  position: absolute;
  inset: 0;
  --echo-shift: 0px;
}

.hero-crystal__plane img {
  width: 100%;
  height: calc(100% + 64px);
  object-fit: cover;
  transform: translateY(calc(var(--echo-shift) * -1));
  filter: saturate(0.85) contrast(1.08) brightness(0.72);
}

.hero-crystal__echo {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 70% 55% at 30% 40%, rgba(94, 224, 240, 0.18), transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 70%, rgba(47, 111, 237, 0.28), transparent 55%),
    linear-gradient(180deg, rgba(6, 18, 46, 0.25) 0%, rgba(6, 18, 46, 0.15) 35%, rgba(6, 18, 46, 0.82) 100%);
}

.hero-crystal__echo::before,
.hero-crystal__echo::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 42%;
  width: min(70vw, 36rem);
  height: min(70vw, 36rem);
  border: 1px solid rgba(94, 224, 240, 0.22);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: echoRing 10s var(--ease-wave) infinite;
}

.hero-crystal__echo::after {
  width: min(50vw, 24rem);
  height: min(50vw, 24rem);
  border-color: rgba(244, 248, 255, 0.18);
  animation-delay: 1.4s;
}

@keyframes echoRing {
  0%, 100% { opacity: 0.35; transform: translate(-50%, -50%) scale(0.92); }
  50% { opacity: 0.7; transform: translate(-50%, -50%) scale(1.05); }
}

@media (prefers-reduced-motion: reduce) {
  .hero-crystal__echo::before,
  .hero-crystal__echo::after { animation: none; }
}

.hero-crystal__content {
  position: relative;
  z-index: 2;
  max-width: var(--max);
  width: 100%;
  margin: 0 auto;
  padding: clamp(2rem, 6vw, 4rem) var(--space) clamp(2.75rem, 7vw, 4.5rem);
  color: var(--white-hl);
  display: grid;
  gap: 0.85rem;
  justify-items: start;
}

.hero-crystal__brand {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 8vw, 5.2rem);
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.05em;
  max-width: 12ch;
  text-shadow: 0 8px 40px rgba(6, 18, 46, 0.55);
}

.hero-crystal__content h1 {
  margin: 0;
  color: var(--white-hl);
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  max-width: 28ch;
  text-shadow: 0 4px 24px rgba(6, 18, 46, 0.45);
}

.hero-crystal__lead {
  margin: 0;
  color: rgba(244, 248, 255, 0.88);
  font-size: 1.08rem;
  max-width: 36rem;
}

.hero-crystal__content .btn {
  margin-top: 0.5rem;
}

/* Hero variant — mid-slab resonance (anti-duplicate vs bottom-aligned crystal) */
.hero-resonance {
  position: relative;
  min-height: min(94vh, 54rem);
  display: grid;
  align-items: center;
  overflow: hidden;
}

.hero-resonance__plane {
  position: absolute;
  inset: 0;
  --echo-shift: 0px;
}

.hero-resonance__plane img {
  width: 100%;
  height: calc(100% + 80px);
  object-fit: cover;
  transform: translateY(calc(var(--echo-shift) * -1));
  filter: saturate(0.8) contrast(1.1) brightness(0.68);
}

.hero-resonance__veil {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 55% 70% at 18% 48%, rgba(6, 18, 46, 0.55), transparent 62%),
    linear-gradient(105deg, rgba(6, 18, 46, 0.88) 0%, rgba(6, 18, 46, 0.45) 42%, rgba(11, 31, 74, 0.25) 100%),
    radial-gradient(ellipse 40% 35% at 78% 30%, rgba(94, 224, 240, 0.2), transparent 55%);
}

.hero-resonance__veil::before {
  content: "";
  position: absolute;
  left: 12%;
  top: 20%;
  width: 2px;
  height: 55%;
  background: linear-gradient(180deg, transparent, rgba(94, 224, 240, 0.65), transparent);
  box-shadow: 0 0 18px rgba(94, 224, 240, 0.35);
  animation: resonancePulse 6s var(--ease-wave) infinite;
}

@keyframes resonancePulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-resonance__veil::before { animation: none; }
}

.hero-resonance__content {
  position: relative;
  z-index: 2;
  max-width: var(--max);
  width: 100%;
  margin: 0 auto;
  padding: clamp(5rem, 12vw, 7rem) var(--space);
  color: var(--white-hl);
  display: grid;
  gap: 0.9rem;
  justify-items: start;
}

.hero-resonance__brand {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 7vw, 4.6rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.05em;
  max-width: 11ch;
  text-shadow: 0 10px 42px rgba(6, 18, 46, 0.6);
}

.hero-resonance__content h1 {
  margin: 0;
  color: var(--white-hl);
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  max-width: 26ch;
}

.hero-resonance__lead {
  margin: 0;
  color: rgba(244, 248, 255, 0.9);
  font-size: 1.05rem;
  max-width: 34rem;
}

.hero-resonance__content .btn {
  margin-top: 0.45rem;
}

/* Sections */
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 4.5rem) var(--space);
}

.section--sapphire {
  background:
    linear-gradient(135deg, rgba(11, 31, 74, 0.06), rgba(94, 224, 240, 0.1));
  border-block: 1px solid var(--line);
  max-width: none;
  padding-left: 0;
  padding-right: 0;
}

.section--sapphire > .section__grid,
.section--sapphire > .section__head,
.section--sapphire > .section__cta,
.section--sapphire > ol,
.section--sapphire > h2,
.section--sapphire > p {
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space);
  padding-right: var(--space);
}

.section--glass {
  background:
    radial-gradient(ellipse 60% 80% at 100% 50%, rgba(94, 224, 240, 0.16), transparent 60%),
    rgba(255, 255, 255, 0.28);
  max-width: none;
}

.section--glass > * {
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space);
  padding-right: var(--space);
}

.section__grid--split {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

@media (max-width: 800px) {
  .section__grid--split {
    grid-template-columns: 1fr;
  }
}

.section__kicker,
.eyebrow {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sapphire-bright);
  margin: 0 0 0.6rem;
}

.section__head {
  margin-bottom: 2rem;
  max-width: 40rem;
}

.section__head p {
  color: var(--muted);
}

.section__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.75rem;
}

.price-line {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--sapphire-mid);
}

.text-link {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.03em;
}

.media-frame {
  margin: 0;
  border-radius: 1.1rem;
  overflow: hidden;
  box-shadow:
    0 20px 50px rgba(11, 31, 74, 0.14),
    inset 0 0 0 1px rgba(255, 255, 255, 0.45);
  background:
    linear-gradient(145deg, rgba(94, 224, 240, 0.15), rgba(47, 111, 237, 0.12));
  position: relative;
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(125deg, rgba(255, 255, 255, 0.28), transparent 40%, rgba(94, 224, 240, 0.12));
  mix-blend-mode: soft-light;
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 5 / 4;
}

.media-frame--sm img {
  aspect-ratio: 4 / 3;
}

/* Offer rail */
.offer-rail {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.offer-rail li {
  border-bottom: 1px solid var(--line);
}

.offer-rail a {
  display: grid;
  grid-template-columns: 8rem 1fr auto;
  gap: 1rem;
  align-items: baseline;
  padding: 1.35rem 0;
  text-decoration: none;
  color: inherit;
  transition: background 0.25s var(--ease-crystal), padding-left 0.25s var(--ease-crystal);
}

.offer-rail a:hover {
  background: rgba(255, 255, 255, 0.35);
  padding-left: 0.6rem;
}

.offer-rail__meta {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--muted);
}

.offer-rail__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--sapphire);
}

.offer-rail__short {
  grid-column: 2;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.offer-rail__price {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--sapphire-bright);
  white-space: nowrap;
}

@media (max-width: 720px) {
  .offer-rail a {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
  .offer-rail__short { grid-column: 1; }
}

.evidence {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.75rem;
  counter-reset: evidence;
}

.evidence li {
  counter-increment: evidence;
  padding-left: 3rem;
  position: relative;
}

.evidence li::before {
  content: counter(evidence, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--cyan-glass);
  text-shadow: 0 0 12px rgba(94, 224, 240, 0.45);
}

.evidence h3 { margin: 0 0 0.4rem; }
.evidence p { margin: 0; color: var(--ink-soft); }

.quote {
  margin: 0;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-radius: 1.25rem;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.55), rgba(94, 224, 240, 0.12));
  border: 1px solid var(--line);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.7),
    0 12px 40px rgba(11, 31, 74, 0.06);
  backdrop-filter: blur(8px);
}

.quote p {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  line-height: 1.45;
  margin: 0 0 1rem;
  color: var(--sapphire);
}

.quote footer {
  color: var(--muted);
  font-size: 0.95rem;
}

/* Page heroes */
.page-hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 4rem) var(--space) 1rem;
}

.page-hero--media {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  padding-bottom: 2rem;
}

@media (max-width: 800px) {
  .page-hero--media {
    grid-template-columns: 1fr;
  }
}

.page-hero h1 { margin: 0.3rem 0 0.8rem; }
.page-hero p { color: var(--ink-soft); max-width: 40rem; }

.service-index {
  display: grid;
  gap: 2rem;
}

.service-index__row {
  display: grid;
  grid-template-columns: minmax(0, 16rem) 1fr;
  gap: 1.5rem;
  align-items: center;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--line);
}

@media (max-width: 700px) {
  .service-index__row {
    grid-template-columns: 1fr;
  }
}

.service-index__row h2 {
  margin: 0 0 0.5rem;
  font-size: 1.45rem;
}

.service-index__row h2 a {
  text-decoration: none;
  color: var(--sapphire);
}

.service-index__row h2 a:hover {
  color: var(--sapphire-bright);
}

.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.65rem;
}

.check-list li {
  padding-left: 1.5rem;
  position: relative;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan-glass), var(--sapphire-bright));
  box-shadow: 0 0 0 3px rgba(94, 224, 240, 0.22);
}

.prose p {
  max-width: 42rem;
}

.prose.legal h2 {
  margin-top: 2rem;
  font-size: 1.25rem;
}

.process-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2rem;
}

.process-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  align-items: start;
  padding: 1.5rem;
  border-radius: 1.1rem;
  background: rgba(255, 255, 255, 0.4);
  border: 1px solid var(--line);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.7),
    0 10px 30px rgba(11, 31, 74, 0.05);
  backdrop-filter: blur(10px);
}

.process-steps .step-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--sapphire-bright);
  min-width: 2.5rem;
}

.process-steps h2 {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
}

.process-steps p {
  margin: 0;
  color: var(--ink-soft);
}

.blog-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2rem;
}

.blog-index__item a {
  display: grid;
  grid-template-columns: minmax(0, 16rem) 1fr;
  gap: 1.5rem;
  text-decoration: none;
  color: inherit;
  align-items: center;
}

@media (max-width: 700px) {
  .blog-index__item a {
    grid-template-columns: 1fr;
  }
}

.blog-index time {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--muted);
}

.blog-index h2 {
  margin: 0.35rem 0;
  font-size: 1.35rem;
}

.blog-index p {
  margin: 0;
  color: var(--ink-soft);
}

.contact-form {
  display: grid;
  gap: 1rem;
  padding: 1.5rem;
  border-radius: 1.2rem;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.62), rgba(94, 224, 240, 0.12));
  border: 1px solid var(--line);
  box-shadow:
    0 18px 40px rgba(11, 31, 74, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(12px);
}

.form-field {
  display: grid;
  gap: 0.35rem;
}

.form-field label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.92rem;
}

.form-field input,
.form-field textarea {
  font: inherit;
  color: var(--ink);
  padding: 0.75rem 0.9rem;
  border-radius: 0.75rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--sapphire-bright);
  box-shadow: 0 0 0 3px rgba(94, 224, 240, 0.3);
}

.form-field.is-invalid input,
.form-field.is-invalid textarea {
  border-color: #b3544a;
}

.field-error {
  margin: 0;
  color: #9a3f36;
  font-size: 0.88rem;
}

.form-status {
  margin: 0.4rem 0 0;
  font-weight: 600;
}

.form-status--success { color: #2f6b52; }
.form-status--error { color: #9a3f36; }

.site-footer {
  margin-top: 3rem;
  padding: 2.5rem var(--space) 1.5rem;
  background:
    linear-gradient(180deg, transparent, rgba(11, 31, 74, 0.07));
  border-top: 1px solid var(--line);
}

.site-footer__inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 1.75rem;
}

@media (max-width: 760px) {
  .site-footer__inner {
    grid-template-columns: 1fr;
  }
}

.site-footer__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  margin: 0 0 0.35rem;
  color: var(--sapphire);
}

.site-footer__legal {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.site-footer__legal a {
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
}

.site-footer__copy {
  max-width: var(--max);
  margin: 2rem auto 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
  color: var(--muted);
}

.cookie-banner {
  position: fixed;
  z-index: 60;
  left: var(--space);
  right: var(--space);
  bottom: var(--space);
  max-width: 34rem;
  margin: 0 auto;
  padding: 1.15rem 1.25rem;
  border-radius: 1.1rem;
  background:
    linear-gradient(145deg, rgba(6, 18, 46, 0.95), rgba(11, 31, 74, 0.92));
  color: var(--white-hl);
  box-shadow: 0 20px 50px rgba(6, 18, 46, 0.4);
  border: 1px solid rgba(94, 224, 240, 0.28);
}

.cookie-banner a {
  color: var(--cyan-glass);
}

.cookie-banner__inner {
  display: grid;
  gap: 0.9rem;
}

.cookie-banner__inner p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.5;
}

.cookie-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.cookie-banner .btn--ghost {
  color: var(--white-hl);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(94, 224, 240, 0.3);
}

.cookie-banner .btn--crystal {
  background: linear-gradient(135deg, var(--cyan-glass), var(--sapphire-bright));
  color: var(--indigo-shadow);
}

.error-page {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(4rem, 12vw, 8rem) var(--space);
  text-align: center;
}

.error-page h1 {
  margin-bottom: 0.75rem;
}

.error-page p {
  color: var(--ink-soft);
  max-width: 28rem;
  margin: 0 auto 1.5rem;
}