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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1rem);
  -webkit-text-size-adjust: 100%;
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--color-primary-deep-blue);
  color: var(--color-off-white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  color: var(--color-off-white);
}

p {
  margin-top: 0;
}

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent-neon);
  outline-offset: 3px;
  border-radius: .25rem;
}

img,
picture,
svg,
video {
  display: block;
  max-width: 100%;
  height: auto;
}

button {
  font: inherit;
  color: inherit;
}

address {
  font-style: normal;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

/* ===== Variables ===== */
:root {
  --color-primary-deep-blue: #0A1128;
  --color-accent-neon: #00FF87;
  --color-accent-bright-orange: #FF6B35;
  --color-background-ash: #1C1C24;
  --color-moss-green: #4A7C59;
  --color-terracotta: #C67B5C;
  --color-off-white: #F5F0E6;
  --color-glass: rgba(255, 255, 255, 0.06);

  --font-head: "Inter", "Noto Sans SC", "PingFang SC", sans-serif;
  --font-body: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --font-data: "JetBrains Mono", "Fira Code", "SFMono-Regular", monospace;

  --header-height: 4.5rem;
  --content-max: 1360px;
  --ease-out: cubic-bezier(0.22, 0.8, 0.26, 1);
}

/* ===== Layout ===== */
.container {
  width: min(100% - 2rem, var(--content-max));
  margin-inline: auto;
}

.section {
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.section--ash {
  background: var(--color-background-ash);
}

.section--deep {
  background: var(--color-primary-deep-blue);
}

.page-head {
  position: relative;
  padding: calc(var(--header-height) + clamp(2.5rem, 6vw, 5rem)) clamp(1rem, 4vw, 3rem) clamp(2.5rem, 5vw, 4rem);
  overflow: hidden;
  background:
    linear-gradient(120deg, rgba(0, 255, 135, 0.07), transparent 42%),
    linear-gradient(310deg, rgba(255, 107, 53, 0.08), transparent 45%),
    var(--color-primary-deep-blue);
}

.page-head__inner {
  position: relative;
  z-index: 1;
  max-width: var(--content-max);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(2.7rem, 6vw, 4.75rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.page-head__intro {
  max-width: 46rem;
  color: rgba(245, 240, 230, 0.72);
  font-size: 1.05rem;
}

/* ===== Grid ===== */
.grid {
  display: grid;
  gap: 1.5rem;
}

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

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

.grid--aside {
  grid-template-columns: minmax(0, 1fr) 360px;
  align-items: start;
}

@media (max-width: 900px) {
  .grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 620px) {
  .grid--3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ===== Headings ===== */
.section-heading {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--font-data);
  font-size: .78rem;
  letter-spacing: .14em;
  color: var(--color-accent-neon);
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 2rem;
  height: 1px;
  background: var(--color-accent-neon);
  box-shadow: 0 0 10px rgba(0, 255, 135, 0.6);
}

.section-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  font-weight: 800;
}

.section-lede {
  max-width: 46rem;
  margin: 0;
  color: rgba(245, 240, 230, 0.72);
  font-size: 1.05rem;
}

/* ===== Breadcrumb ===== */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin: 0 0 1.5rem;
  font-family: var(--font-data);
  font-size: .8rem;
  color: rgba(245, 240, 230, 0.55);
}

.breadcrumb a {
  color: var(--color-off-white);
  text-decoration: none;
  transition: color .3s;
}

.breadcrumb a:hover {
  color: var(--color-accent-neon);
}

.breadcrumb [aria-current="page"] {
  color: var(--color-accent-neon);
}

.breadcrumb-sep {
  color: rgba(245, 240, 230, 0.35);
}

/* ===== Prose ===== */
.prose {
  max-width: 70ch;
  color: rgba(245, 240, 230, 0.76);
  font-size: 1rem;
}

.prose h2,
.prose h3,
.prose h4 {
  margin: 2rem 0 .75rem;
  color: var(--color-off-white);
  letter-spacing: -0.02em;
}

.prose p {
  margin-bottom: 1rem;
}

/* ===== Skip Link ===== */
.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 1200;
  display: inline-flex;
  align-items: center;
  padding: .65rem 1rem;
  background: var(--color-accent-neon);
  color: var(--color-primary-deep-blue);
  font-weight: 700;
  font-size: .9rem;
  text-decoration: none;
  border-radius: .5rem;
  transform: translateY(-220%);
  opacity: 0;
  transition: transform .3s var(--ease-out), opacity .3s;
}

.skip-link:focus-visible {
  transform: translateY(0);
  opacity: 1;
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  color: var(--color-off-white);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background .45s ease, border-color .45s ease, box-shadow .45s ease;
}

.site-header.is-scrolled {
  background: rgba(10, 17, 40, 0.92);
  border-bottom-color: rgba(0, 255, 135, 0.14);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.header-inner {
  position: relative;
  max-width: var(--content-max);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-height);
  padding: .75rem clamp(1rem, 4vw, 3rem);
}

.header-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
  pointer-events: none;
}

.header-progress-thumb {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent-neon), var(--color-accent-bright-orange));
  box-shadow: 0 0 16px rgba(0, 255, 135, 0.55);
  transform: scaleX(0);
  transform-origin: 0 50%;
}

/* ===== Brand ===== */
.brand {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
  color: var(--color-off-white);
  flex-shrink: 0;
}

.brand-glyph {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: .6rem;
  background: linear-gradient(135deg, var(--color-accent-neon), var(--color-primary-deep-blue));
  border: 1px solid rgba(0, 255, 135, 0.4);
  box-shadow: 0 0 24px rgba(0, 255, 135, 0.18);
  transform: skewX(-8deg);
}

.brand-glyph-text {
  font-family: var(--font-data);
  font-size: .85rem;
  font-weight: 800;
  color: #071020;
  transform: skewX(8deg);
}

.brand-glyph-corner {
  position: absolute;
  right: -5px;
  top: -5px;
  width: 10px;
  height: 10px;
  border-top: 2px solid var(--color-accent-bright-orange);
  border-right: 2px solid var(--color-accent-bright-orange);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: .06em;
}

.brand-slogan {
  font-family: var(--font-data);
  font-size: .62rem;
  letter-spacing: .04em;
  color: var(--color-accent-neon);
  text-transform: uppercase;
}

/* ===== Main Navigation ===== */
.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: .15rem;
  list-style: none;
}

.nav-item {
  margin: 0;
}

.nav-link {
  position: relative;
  display: block;
  padding: .75rem .65rem;
  color: rgba(245, 240, 230, 0.72);
  font-family: var(--font-head);
  font-size: .88rem;
  font-weight: 500;
  letter-spacing: .02em;
  text-decoration: none;
  transition: color .3s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: .65rem;
  right: .65rem;
  bottom: .2rem;
  height: 2px;
  background: var(--color-accent-neon);
  box-shadow: 0 0 12px rgba(0, 255, 135, 0.5);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform .35s var(--ease-out);
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link[aria-current="page"] {
  color: var(--color-off-white);
}

.nav-link[aria-current="page"]::after,
.nav-link:hover::after,
.nav-link:focus-visible::after {
  transform: scaleX(1);
}

.nav-cta {
  flex-shrink: 0;
}

/* ===== Nav Toggle ===== */
.nav-toggle {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid transparent;
  border-radius: .5rem;
  cursor: pointer;
}

.nav-toggle-line {
  position: absolute;
  left: 10px;
  right: 10px;
  height: 2px;
  border-radius: 2px;
  background: var(--color-off-white);
  transition: transform .3s ease, top .3s ease, opacity .3s ease;
}

.nav-toggle-line:nth-child(1) {
  top: 13px;
}

.nav-toggle-line:nth-child(2) {
  top: 20px;
}

.nav-toggle-line:nth-child(3) {
  top: 27px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
  top: 20px;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2) {
  opacity: 0;
  transform: translateX(-8px);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
  top: 20px;
  transform: rotate(-45deg);
}

body.nav-open {
  overflow: hidden;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .8rem 1.5rem;
  border: 1px solid transparent;
  border-radius: 2rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .92rem;
  text-decoration: none;
  cursor: pointer;
  transition: transform .3s ease, box-shadow .3s ease, background .3s ease, color .3s ease, border-color .3s ease;
}

.btn--primary {
  background: var(--color-accent-bright-orange);
  color: var(--color-primary-deep-blue);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(255, 107, 53, 0.28);
}

.btn--accent {
  background: var(--color-accent-neon);
  color: var(--color-primary-deep-blue);
}

.btn--accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(0, 255, 135, 0.25);
}

.btn--ghost {
  background: transparent;
  border-color: rgba(245, 240, 230, 0.25);
  color: var(--color-off-white);
}

.btn--ghost:hover {
  border-color: var(--color-accent-neon);
  color: var(--color-accent-neon);
}

.nav-cta {
  padding: .55rem .95rem;
  font-size: .85rem;
}

/* ===== Panel ===== */
.panel {
  position: relative;
  background: var(--color-glass);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.panel--neon {
  border-top: 2px solid var(--color-accent-neon);
}

.panel--orange {
  border-left: 2px solid var(--color-accent-bright-orange);
}

.panel--data {
  font-family: var(--font-data);
  background: rgba(10, 17, 40, 0.9);
}

.panel-label {
  display: block;
  margin-bottom: .5rem;
  font-family: var(--font-data);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--color-accent-neon);
  text-transform: uppercase;
}

.panel-value {
  display: block;
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.03em;
}

/* ===== Tags ===== */
.tag {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .32rem .75rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--color-off-white);
  font-family: var(--font-data);
  font-size: .72rem;
  line-height: 1.4;
  white-space: nowrap;
}

.tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
}

.tag--neon {
  color: var(--color-accent-neon);
  border-color: rgba(0, 255, 135, 0.4);
  background: rgba(0, 255, 135, 0.08);
}

.tag--orange {
  color: var(--color-accent-bright-orange);
  border-color: rgba(255, 107, 53, 0.4);
  background: rgba(255, 107, 53, 0.08);
}

.tag--moss {
  color: var(--color-moss-green);
  border-color: rgba(74, 124, 89, 0.5);
  background: rgba(74, 124, 89, 0.08);
}

.tag--terracotta {
  color: var(--color-terracotta);
  border-color: rgba(198, 123, 92, 0.5);
  background: rgba(198, 123, 92, 0.08);
}

/* ===== Data Row ===== */
.data-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .6rem 1rem;
  padding: .85rem 0;
  border-bottom: 1px solid rgba(245, 240, 230, 0.08);
  font-family: var(--font-data);
  font-size: .9rem;
}

.data-row:last-child {
  border-bottom: 0;
}

.data-row__key {
  color: var(--color-off-white);
  opacity: .65;
}

.data-row__value {
  color: var(--color-accent-neon);
  font-weight: 700;
}

/* ===== Media Frame ===== */
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  min-height: 10rem;
  background: linear-gradient(135deg, rgba(10, 17, 40, 0.92), rgba(28, 28, 36, 0.92));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: .85rem;
}

.media-frame::before {
  content: "";
  display: block;
  padding-top: 56.25%;
}

.media-frame--4x3::before {
  padding-top: 75%;
}

.media-frame--portrait::before {
  padding-top: 130%;
}

.media-frame img,
.media-frame picture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: .6rem .85rem;
  background: linear-gradient(transparent, rgba(10, 17, 40, 0.92));
  color: var(--color-off-white);
  font-family: var(--font-data);
  font-size: .75rem;
}

.media-frame--placeholder::after {
  content: "BD//DATA";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-data);
  font-size: .85rem;
  letter-spacing: .16em;
  color: rgba(245, 240, 230, 0.16);
}

.media-frame--placeholder::before {
  background-image:
    linear-gradient(rgba(0, 255, 135, 0.11) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 135, 0.08) 1px, transparent 1px);
  background-size: 36px 36px;
}

/* ===== Tabs ===== */
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: .25rem;
  padding: 0;
  margin: 0 0 1.25rem;
  list-style: none;
  border-bottom: 1px solid rgba(245, 240, 230, 0.12);
}

.tab-button {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .65rem .9rem;
  margin-bottom: -1px;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  color: rgba(245, 240, 230, 0.62);
  font-family: var(--font-data);
  font-size: .85rem;
  cursor: pointer;
  transition: color .3s, border-color .3s, background .3s;
}

.tab-button:hover {
  color: var(--color-off-white);
}

.tab-button[aria-selected="true"] {
  color: var(--color-accent-neon);
  border-bottom-color: var(--color-accent-neon);
  background: rgba(0, 255, 135, 0.05);
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: block;
}

/* ===== Footer ===== */
.site-footer {
  position: relative;
  margin-top: auto;
  overflow: hidden;
  color: var(--color-off-white);
  background: rgba(8, 12, 25, 0.98);
  border-top: 1px solid rgba(0, 255, 135, 0.18);
}

.footer-decor {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.footer-decor-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 255, 135, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 135, 0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.75), transparent 88%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.75), transparent 88%);
}

.footer-decor-line {
  position: absolute;
  top: 0;
  left: 12%;
  width: 42%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent-neon), var(--color-accent-bright-orange), transparent);
  opacity: .5;
  animation: footer-drift 7s ease-in-out infinite alternate;
}

@keyframes footer-drift {
  from {
    transform: translateX(-6%);
  }

  to {
    transform: translateX(6%);
  }
}

.footer-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  max-width: var(--content-max);
  margin-inline: auto;
  padding: clamp(3rem, 6vw, 5.5rem) clamp(1rem, 4vw, 3rem) 2rem;
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.65fr);
  gap: clamp(2rem, 5vw, 4rem);
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(245, 240, 230, 0.08);
}

.footer-brand-block {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
  max-width: 24rem;
}

.footer-statement {
  margin: 0;
  font-size: .95rem;
  color: rgba(245, 240, 230, 0.64);
  line-height: 1.8;
}

.brand--footer .brand-name {
  font-size: 1.1rem;
}

.footer-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  min-width: 0;
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  min-width: 0;
}

.footer-title {
  margin: 0 0 .75rem;
  font-family: var(--font-data);
  font-size: .7rem;
  letter-spacing: .16em;
  color: var(--color-accent-neon);
  text-transform: uppercase;
}

.footer-link {
  width: fit-content;
  padding: .3rem 0;
  font-size: .9rem;
  color: rgba(245, 240, 230, 0.68);
  text-decoration: none;
  transition: color .3s, transform .3s;
}

.footer-link:hover {
  color: var(--color-off-white);
  transform: translateX(4px);
}

.footer-contact {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: .85rem;
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: .2rem;
  min-width: 0;
}

.contact-label {
  font-family: var(--font-data);
  font-size: .62rem;
  letter-spacing: .12em;
  color: var(--color-accent-neon);
  text-transform: uppercase;
}

.contact-value {
  font-size: .85rem;
  color: rgba(245, 240, 230, 0.72);
  overflow-wrap: anywhere;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  padding-top: 1.5rem;
  font-size: .8rem;
  color: rgba(245, 240, 230, 0.48);
}

.footer-copyright,
.footer-icp {
  margin: 0;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.footer-legal a {
  color: rgba(245, 240, 230, 0.6);
  text-decoration: none;
  transition: color .3s;
}

.footer-legal a:hover {
  color: var(--color-accent-neon);
}

/* ===== Scroll reveal ===== */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
}

.js [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ===== Scroll spy ===== */
[data-spy-link] {
  color: rgba(245, 240, 230, 0.62);
  text-decoration: none;
  transition: color .3s;
}

[data-spy-link].is-active {
  color: var(--color-accent-neon);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 1.25rem;
    padding: 2rem clamp(1.25rem, 6vw, 3rem);
    background: rgba(10, 17, 40, 0.96);
    border-top: 1px solid rgba(0, 255, 135, 0.18);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    overflow-y: auto;
    transform: translateX(100%);
    visibility: hidden;
    transition: transform .4s ease, visibility .4s ease;
  }

  .site-nav[data-open="true"] {
    transform: translateX(0);
    visibility: visible;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-link {
    padding: 1rem .25rem;
    font-size: 1.15rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav-link::after {
    left: .25rem;
    right: .25rem;
    bottom: .35rem;
  }

  .nav-cta {
    align-self: flex-start;
    margin-top: .5rem;
  }

  .footer-top {
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
  }

  .footer-contact {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (min-width: 1025px) {
  body.nav-open {
    overflow: auto;
  }
}

@media (max-width: 640px) {
  .footer-columns {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-contact {
    padding: 1rem;
  }

  .footer-legal {
    flex-direction: column;
    gap: .6rem;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .nav-cta {
    width: auto;
  }
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .js [data-reveal],
  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }

  .footer-decor-line {
    animation: none;
  }
}