/* Stero Sonic Labs — light product-led system (Sarvam-inspired, original) */
:root {
  --bg: #fafaf7;
  --bg-elevated: #ffffff;
  --surface: #f3f2ed;
  --border: #e4e2da;
  --text: #0b1220;
  --text-muted: #5c6578;
  --cyan: #0088ff;       /* STERO / blue face */
  --magenta: #ff2b8a;    /* SONIC / pink face */
  --cyan-glow: rgba(0, 136, 255, 0.45);
  --magenta-glow: rgba(255, 43, 138, 0.42);
  --accent: #0b1220;
  --accent-ink: #ffffff;
  --link: #0b6e8a;
  --danger: #c23b3b;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --max: 1180px;
  --font-display: "Fraunces", "Times New Roman", serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --font-tiles: "Orbitron", monospace;
  --shadow: 0 24px 60px rgba(11, 18, 32, 0.08);
  --header-h: 68px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@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;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--text); }
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 0.75rem 1rem;
  z-index: 10000;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

/* Soft light atmosphere */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(900px 520px at 70% -5%, rgba(0, 136, 255, 0.14), transparent 55%),
    radial-gradient(700px 420px at 15% 5%, rgba(255, 43, 138, 0.09), transparent 50%),
    radial-gradient(800px 500px at 50% 40%, rgba(180, 190, 220, 0.12), transparent 60%),
    var(--bg);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  background: rgba(250, 250, 247, 0.86);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.site-header.is-scrolled {
  border-bottom-color: var(--border);
  background: rgba(255, 255, 255, 0.92);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}
.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.3rem;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.03em;
}
.brand span { color: var(--text-muted); font-weight: 500; }

.nav-desktop { display: none; align-items: center; gap: 0.15rem; }
@media (min-width: 960px) { .nav-desktop { display: flex; } }

.nav-desktop > a,
.nav-dropdown > a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.5rem 0.7rem;
  border-radius: var(--radius-pill);
  font-size: 0.95rem;
  font-weight: 500;
}
.nav-desktop > a:hover,
.nav-dropdown > a:hover,
.nav-desktop a[aria-current="page"] { color: var(--text); }

.nav-dropdown { position: relative; }
.nav-dropdown__panel {
  display: none;
  position: absolute;
  top: calc(100% + 0.35rem);
  left: 0;
  min-width: 240px;
  padding: 0.45rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.nav-dropdown:hover .nav-dropdown__panel,
.nav-dropdown:focus-within .nav-dropdown__panel { display: grid; gap: 0.1rem; }
.nav-dropdown__panel a {
  display: block;
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.75rem;
  color: var(--text);
  text-decoration: none;
  font-size: 0.92rem;
}
.nav-dropdown__panel a:hover { background: var(--surface); }

.nav-cta { display: none; margin-left: 0.4rem; }
@media (min-width: 960px) { .nav-cta { display: inline-flex; } }

.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--bg-elevated);
  color: var(--text);
  cursor: pointer;
}
@media (min-width: 960px) { .menu-toggle { display: none; } }

.nav-mobile {
  display: none;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
  padding: 1rem 0 1.25rem;
}
.nav-mobile.is-open { display: block; }
.nav-mobile a {
  display: block;
  color: var(--text);
  text-decoration: none;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  font-weight: 500;
}
.nav-mobile .sub { padding-left: 1rem; color: var(--text-muted); font-size: 0.95rem; font-weight: 400; }

/* Buttons — beat link/footer color overrides on <a class="btn"> */
a.btn { text-decoration: none; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.8rem 1.45rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-weight: 650;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 0.18s cubic-bezier(0.22, 1, 0.36, 1),
    background 0.18s ease,
    border-color 0.18s ease,
    box-shadow 0.18s ease,
    color 0.18s ease;
}
.btn:active { transform: translateY(1px) scale(0.98); }
.btn-primary,
a.btn-primary,
a.btn-primary:hover,
a.btn-primary:focus-visible,
.site-footer a.btn-primary,
.site-footer a.btn-primary:hover,
.nav-desktop a.btn-primary,
.nav-desktop a.btn-primary:hover,
.nav-mobile a.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
  box-shadow: 0 8px 20px rgba(11, 18, 32, 0.16);
}
.btn-primary:hover,
a.btn-primary:hover,
.site-footer a.btn-primary:hover,
.nav-desktop a.btn-primary:hover {
  background: #152038;
  color: var(--accent-ink);
  border-color: #152038;
  box-shadow:
    0 10px 28px rgba(11, 18, 32, 0.2),
    0 0 0 1px rgba(0, 136, 255, 0.25);
  transform: translateY(-1px);
}
.btn-secondary,
a.btn-secondary,
a.btn-secondary:hover,
a.btn-secondary:focus-visible,
.site-footer a.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text);
  border-color: var(--border);
  box-shadow: 0 1px 2px rgba(11, 18, 32, 0.04);
}
.btn-secondary:hover,
a.btn-secondary:hover {
  border-color: #b8b4a8;
  color: var(--text);
  background: #fff;
  box-shadow: 0 6px 18px rgba(11, 18, 32, 0.08);
  transform: translateY(-1px);
}
.btn-block { width: 100%; }

/* Type */
.eyebrow,
.eyebrow--plain,
.hero-platform {
  margin: 0 0 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  font-weight: 600;
  text-decoration: none;
}
.hero-platform {
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  color: var(--text);
  font-weight: 650;
}
h1, h2, h3, .display {
  font-family: var(--font-display);
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin: 0 0 1rem;
  font-weight: 560;
  color: var(--text);
  text-wrap: balance;
}
h1, .display { font-size: clamp(2.75rem, 6.2vw, 4.35rem); font-weight: 500; }
h2 { font-size: clamp(1.75rem, 3.2vw, 2.75rem); font-weight: 500; }
h3 { font-size: 1.2rem; font-family: var(--font-body); font-weight: 650; letter-spacing: -0.02em; }
.lead { font-size: 1.125rem; color: var(--text-muted); max-width: 36rem; line-height: 1.6; }
.muted { color: var(--text-muted); }
.section { padding: clamp(4rem, 9vw, 7.5rem) 0; }
.section--tight { padding: clamp(2.5rem, 5vw, 3.5rem) 0; }
.section--alt { background: var(--surface); border-block: 1px solid var(--border); }
.section-head { margin-bottom: 2.25rem; max-width: 40rem; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .lead { margin-inline: auto; }

/* Hero */
.hero {
  padding: clamp(3rem, 8vw, 5.5rem) 0 clamp(3.25rem, 7vw, 5rem);
  text-align: center;
}
.hero .lead {
  margin-inline: auto;
  max-width: 38rem;
  font-size: clamp(1.125rem, 2.2vw, 1.3rem);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 2rem;
}
.hero-actions--start { justify-content: flex-start; }

/* STERO / SONIC tiles — blue ↔ pink flip */
.stero-tiles-container { margin-bottom: 2rem; }
.stero-tiles {
  display: flex;
  gap: clamp(0.5rem, 1.8vw, 1rem);
  justify-content: center;
  flex-wrap: nowrap;
  perspective: 1200px;
}
.stero-tiles:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 8px;
  border-radius: 14px;
}
.tile {
  width: clamp(60px, 12.5vw, 88px);
  height: clamp(60px, 12.5vw, 88px);
  position: relative;
  transform-style: preserve-3d;
  transition:
    transform 0.65s cubic-bezier(0.16, 1, 0.3, 1),
    border-color 0.4s ease,
    box-shadow 0.4s ease,
    background 0.4s ease;
  border-radius: 18px;
  border: 2.5px solid var(--cyan);
  background: linear-gradient(160deg, #ffffff 0%, #f0f7ff 100%);
  box-shadow:
    0 10px 28px rgba(0, 136, 255, 0.18),
    0 2px 0 rgba(255, 255, 255, 0.65) inset;
  cursor: pointer;
  will-change: transform;
}
.tile-face {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 15px;
  font-family: var(--font-tiles);
  font-weight: 700;
  font-size: clamp(1.3rem, 3.4vw, 1.85rem);
  letter-spacing: 0.02em;
}
.tile-face.front {
  color: var(--cyan);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.55);
}
.tile-face.back {
  color: var(--magenta);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.55);
  transform: rotateY(180deg);
  background: linear-gradient(160deg, #fff5fa 0%, #ffffff 100%);
}
.tile.flipped {
  transform: rotateY(180deg) scale(1.05);
  border-color: var(--magenta);
  background: linear-gradient(160deg, #fff5fa 0%, #ffffff 100%);
  box-shadow:
    0 14px 32px rgba(255, 43, 138, 0.22),
    0 2px 0 rgba(255, 255, 255, 0.65) inset;
}
.stero-tiles:hover .tile:not(.flipped) {
  box-shadow:
    0 14px 32px rgba(0, 136, 255, 0.22),
    0 2px 0 rgba(255, 255, 255, 0.65) inset;
}
.labs-text {
  margin-top: 0.9rem;
  font-family: var(--font-body);
  font-weight: 650;
  font-size: clamp(1.05rem, 2.6vw, 1.35rem);
  letter-spacing: 0.48em;
  text-indent: 0.48em;
  color: var(--text);
}

/* Trust strip */
.trust-strip {
  padding: 2rem 0 2.75rem;
  text-align: center;
  border-top: 1px solid var(--border);
}
.trust-strip__label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 1.15rem;
}
.trust-names {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.trust-names li {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  letter-spacing: -0.015em;
}

/* Platform showcase */
.showcase {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.showcase__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 1rem 1rem 0.75rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.showcase__tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--text-muted);
  font: inherit;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.65rem 0.95rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
}
.showcase__tab[aria-selected="true"] {
  background: var(--bg-elevated);
  color: var(--text);
  box-shadow: 0 1px 3px rgba(11, 18, 32, 0.08);
}
.showcase__body { padding: clamp(1.25rem, 3vw, 2rem); }
.showcase__panel[hidden] { display: none; }
.showcase__grid {
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 860px) {
  .showcase__grid { grid-template-columns: 1fr 1.15fr; align-items: start; }
}
.mock-ui {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1rem;
  min-height: 220px;
}
.mock-ui__bar {
  display: flex;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
}
.mock-ui__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #d0cec6;
}
.mock-row {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.65rem 0.7rem;
  border-radius: 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}
.mock-row strong { display: block; font-size: 0.88rem; }
.mock-row span { color: var(--text-muted); font-size: 0.82rem; }
.mock-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-pill);
  background: rgba(11, 110, 138, 0.12);
  color: var(--link);
  white-space: nowrap;
}
.showcase__title {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}
.showcase__body-text { margin: 0 0 1.25rem; }
.mock-row__text { flex: 1; min-width: 0; }

/* Grids / cards */
.offer-grid,
.feature-grid,
.work-grid,
.process-grid,
.faq-list { display: grid; gap: 1.25rem; }
@media (min-width: 768px) {
  .offer-grid { grid-template-columns: repeat(3, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .work-grid { grid-template-columns: repeat(3, 1fr); }
  .process-grid { grid-template-columns: repeat(4, 1fr); }
}

.offer-card,
.feature-card,
.work-card,
.panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 2px);
  padding: 1.5rem;
}
a.work-card {
  display: block;
  color: inherit;
  text-decoration: none;
  transition: border-color 0.2s ease, transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s ease;
}
a.work-card:hover,
a.work-card:focus-visible {
  border-color: #cfcabe;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  color: inherit;
}
.work-more { margin-top: 1.75rem; }
.offer-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.offer-card:hover {
  border-color: #cfcabe;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  color: inherit;
}
.offer-card p { color: var(--text-muted); flex: 1; margin: 0 0 1.25rem; }
.offer-card .linkish { color: var(--link); font-weight: 600; text-decoration: none; }

.offer-split {
  display: grid;
  gap: 1.5rem;
  padding: 1.75rem 0;
  border-top: 1px solid var(--border);
}
@media (min-width: 800px) {
  .offer-split { grid-template-columns: 1fr 1.2fr; gap: 3rem; align-items: start; }
}
.offer-split:first-child { border-top: 0; padding-top: 0; }

.product-band {
  display: grid;
  gap: 1.5rem;
  align-items: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: clamp(1.5rem, 4vw, 2.75rem);
  box-shadow: var(--shadow);
}
@media (min-width: 800px) {
  .product-band { grid-template-columns: 1.4fr 1fr; }
}

.process-step .num {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  background: var(--surface);
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  padding: 0;
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 1.1rem 1.25rem;
  font-weight: 650;
  font-family: var(--font-body);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p {
  margin: 0;
  padding: 0 1.25rem 1.25rem;
  color: var(--text-muted);
}

.tag-row { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 1rem; }
.tag {
  font-size: 0.75rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
  background: var(--surface);
}

.cta-band {
  text-align: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: clamp(2rem, 5vw, 3.25rem);
  box-shadow: var(--shadow);
}
.cta-band .lead { margin-inline: auto; }

/* Forms */
.form { display: grid; gap: 1rem; max-width: 36rem; }
.form label {
  display: grid;
  gap: 0.4rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}
.form input,
.form select,
.form textarea {
  width: 100%;
  min-height: 48px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  padding: 0.7rem 0.85rem;
  font: inherit;
}
.form textarea { min-height: 140px; resize: vertical; }
.form-status { min-height: 1.25rem; font-size: 0.9rem; }
.form-status.is-error { color: var(--danger); }
.form-status.is-success { color: #0a7a4b; }

/* Page hero */
.page-hero { padding: clamp(3rem, 7vw, 4.5rem) 0 2rem; }
.page-hero .lead { max-width: 40rem; }
.page-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}
.split-list { display: grid; gap: 1rem; }
@media (min-width: 720px) { .split-list { grid-template-columns: 1fr 1fr; } }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.breadcrumb a { color: var(--text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--text); }

.note {
  margin: 1rem 0 0;
  padding: 0.85rem 1rem;
  background: var(--surface);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
}
.product-band__side { background: var(--surface); }

.legal { max-width: 42rem; }
.legal p { color: var(--text-muted); }

.blog-list { display: grid; gap: 1rem; }
.blog-card {
  display: block;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  color: inherit;
  text-decoration: none;
}
.blog-card:hover { border-color: #cfcabe; color: inherit; box-shadow: var(--shadow); }

.work-card .status {
  font-size: 0.8rem;
  color: var(--link);
  margin-bottom: 0.75rem;
  font-weight: 600;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
  margin-top: 2rem;
  background: var(--bg-elevated);
}
.footer-grid {
  display: grid;
  gap: 2rem;
}
@media (min-width: 800px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
}
.site-footer h3 {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
  font-family: var(--font-body);
  font-weight: 700;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.45rem; }
.site-footer a { color: var(--text); text-decoration: none; font-weight: 500; }
.site-footer a:hover { color: var(--link); }
.footer-social {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.25rem;
}
.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}
.social-link:hover {
  color: var(--link);
  border-color: #c9c6bb;
  background: #fff;
  transform: translateY(-1px);
}
.site-footer a.social-link,
.site-footer a.social-link:hover {
  color: var(--text);
  text-decoration: none;
}
.site-footer a.social-link:hover { color: var(--link); }

.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
}

.capability-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 2rem;
}
.capability-strip span {
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 0.85rem;
  background: rgba(255, 255, 255, 0.7);
}