:root {
    --bg: #07111f;
    --bg-soft: #f4f7fb;
    --surface: rgba(7, 17, 31, 0.72);
    --surface-light: #ffffff;
    --text: #f5f7fb;
    --text-dark: #162033;
    --muted: #8da0bd;
    --line: rgba(140, 166, 198, 0.22);
    --red: #ff3b30;
    --blue: #2783ff;
    --green: #59c83d;
    --white: #eef4ff;
    --navy: #0b1f3b;
    --shadow: 0 24px 60px rgba(5, 16, 31, 0.18);
    --radius-xl: 28px;
    --radius-lg: 22px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Manrope", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(39, 131, 255, 0.16), transparent 32%),
        radial-gradient(circle at 85% 18%, rgba(255, 59, 48, 0.12), transparent 24%),
        radial-gradient(circle at 82% 82%, rgba(89, 200, 61, 0.16), transparent 26%),
        linear-gradient(180deg, #08101d 0%, #0b1930 54%, #0e2444 100%);
    line-height: 1.65;
}

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

.section-space {
    padding: 6rem 0;
}

#divisions {
    background:
        radial-gradient(circle at 14% 16%, rgba(39, 131, 255, 0.13), transparent 34%),
        radial-gradient(circle at 86% 18%, rgba(255, 59, 48, 0.1), transparent 30%),
        linear-gradient(180deg, #0b1930 0%, #0e2444 100%);
    color: var(--text);
}

.section-flow {
    position: relative;
    overflow: hidden;
    border-top: 1px solid rgba(151, 184, 226, 0.14);
}

.section-flow::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.section-flow .container {
    position: relative;
    z-index: 1;
}

.about-section {
    background:
        radial-gradient(circle at 12% 12%, rgba(39, 131, 255, 0.12), transparent 34%),
        radial-gradient(circle at 88% 22%, rgba(89, 200, 61, 0.08), transparent 30%),
        linear-gradient(180deg, #e8edf5 0%, #d8e0ec 100%);
    color: var(--text-dark);
}

.about-section::before {
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.45), transparent 32%, rgba(7, 17, 31, 0.04));
}

.industries-section {
    background:
        radial-gradient(circle at 16% 18%, rgba(255, 59, 48, 0.1), transparent 30%),
        radial-gradient(circle at 82% 18%, rgba(89, 200, 61, 0.1), transparent 34%),
        radial-gradient(circle at 52% 86%, rgba(39, 131, 255, 0.12), transparent 36%),
        linear-gradient(180deg, #18202c 0%, #111827 100%);
    color: var(--text);
}

.industries-section::before {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), transparent 46%);
}

.bg-soft {
    background: var(--bg-soft);
    color: var(--text-dark);
}

.glass-nav {
    padding: 1rem 0;
    background: rgba(7, 17, 31, 0.48);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: background-color 0.25s ease, padding 0.25s ease, box-shadow 0.25s ease;
}

.glass-nav.nav-scrolled {
    padding: 0.65rem 0;
    background: rgba(7, 17, 31, 0.82);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
}

.navbar-toggler {
    filter: invert(1);
}

.brand-logo {
    width: 85px;
    height: 85px;
    object-fit: contain;
}

.brand-title,
.brand-subtitle {
    display: block;
}

.brand-title {
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.35rem;
    line-height: 1.1;
    color: #fff;
}

.brand-subtitle {
    margin-top: 0.15rem;
    font-size: 0.78rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.78);
}

.nav-link {
    color: rgba(255, 255, 255, 0.82);
    font-weight: 600;
}

.nav-link:hover,
.nav-link:focus,
.footer-links a:hover,
.footer-links a:focus {
    color: #fff;
}

.btn-brand {
    background: linear-gradient(135deg, var(--red), var(--blue) 56%, var(--green));
    color: #fff;
    border: 0;
    box-shadow: 0 18px 36px rgba(39, 131, 255, 0.22);
}

.btn-brand:hover,
.btn-brand:focus {
    color: #fff;
    transform: translateY(-1px);
}

.hero-section {
    padding: 10rem 0 6rem;
}

.hero-orb {
    position: absolute;
    border-radius: 999px;
    filter: blur(40px);
    opacity: 0.42;
}

.orb-red {
    top: 10%;
    right: 12%;
    width: 14rem;
    height: 14rem;
    background: rgba(255, 59, 48, 0.52);
}

.orb-blue {
    top: 28%;
    left: 48%;
    width: 18rem;
    height: 18rem;
    background: rgba(39, 131, 255, 0.44);
}

.orb-green {
    bottom: 8%;
    right: 22%;
    width: 16rem;
    height: 16rem;
    background: rgba(89, 200, 61, 0.4);
}

.eyebrow {
    display: inline-block;
    margin-bottom: 1rem;
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: #8ec2ff;
}

.section-heading {
    max-width: 52rem;
    margin-bottom: 2rem;
}

.section-heading h2,
.hero-section h1,
.narrative-panel h2,
.cta-panel h2,
.hero-brand-card h2 {
    font-family: "Space Grotesk", sans-serif;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.hero-copy,
.section-heading p {
    font-size: 1.08rem;
    color: rgba(245, 247, 251, 0.86);
}

.bg-soft .section-heading p,
.bg-soft .eyebrow,
.narrative-panel p {
    color: #4d5d77;
}

.section-flow .section-heading p,
.section-flow .narrative-panel p,
.section-flow .mini-panel p {
    color: rgba(225, 236, 250, 0.84);
}

.about-section .section-heading p,
.about-section .mini-panel p {
    color: #4d5d77;
}

.about-section .section-heading h2 {
    color: var(--text-dark);
}

.about-section .eyebrow {
    color: #236dbd;
}

.tagline-bar {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    padding: 0.85rem 1rem;
    margin-top: 1rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    font-weight: 800;
    letter-spacing: 0.03em;
}

.tag-red { color: var(--red); }
.tag-blue { color: #5ca7ff; }
.tag-white { color: var(--white); }
.tag-green { color: #7ddd63; }

.hero-stats .stat-card,
.hero-brand-card,
.overview-panel,
.map-frame,
.division-card,
.structure-card,
.narrative-panel,
.cta-panel,
.mini-panel {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.stat-card {
    height: 100%;
    padding: 1.1rem 1rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-card strong {
    display: block;
    font-size: 1.8rem;
    line-height: 1;
}

.stat-card span {
    display: block;
    margin-top: 0.45rem;
    color: rgba(255, 255, 255, 0.78);
}

.hero-brand-card {
    position: relative;
    padding: 2rem;
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.04));
    border: 1px solid rgba(255, 255, 255, 0.12);
    overflow: hidden;
}

.hero-brand-card::after {
    content: "";
    position: absolute;
    inset: auto -10% -18% auto;
    width: 16rem;
    height: 16rem;
    background: radial-gradient(circle, rgba(39, 131, 255, 0.26), transparent 66%);
}

.hero-logo {
    width: min(100%, 340px);
    margin: 0 auto 1.5rem;
}

.mini-label {
    margin-bottom: 0.35rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.78rem;
    color: #9fc6ff;
}

.overview-panel,
.map-frame,
.narrative-panel,
.cta-panel,
.mini-panel {
    background: var(--surface-light);
    color: var(--text-dark);
    border: 1px solid rgba(14, 29, 55, 0.08);
}

.section-flow .narrative-panel,
.section-flow .mini-panel {
    position: relative;
    overflow: hidden;
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.105), rgba(255, 255, 255, 0.045));
    color: var(--text);
    border: 1px solid rgba(165, 198, 238, 0.18);
    box-shadow: 0 24px 60px rgba(2, 8, 18, 0.28);
}

.section-flow .narrative-panel::before,
.section-flow .mini-panel::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    background: linear-gradient(180deg, var(--red), var(--blue), var(--green));
}

.section-flow .narrative-panel::after {
    content: "";
    position: absolute;
    right: -5rem;
    bottom: -6rem;
    width: 17rem;
    height: 17rem;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(39, 131, 255, 0.24), transparent 64%);
    pointer-events: none;
}

.industries-section .narrative-panel {
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
    overflow: visible;
}

.industries-section .narrative-panel::before,
.industries-section .narrative-panel::after {
    content: none;
}

.industries-section .mini-panel {
    min-height: 100%;
    padding: 1.35rem;
    background:
        radial-gradient(circle at 18% 0%, rgba(255, 255, 255, 0.08), transparent 38%),
        linear-gradient(145deg, rgba(30, 34, 40, 0.96), rgba(12, 15, 19, 0.98));
    border-color: rgba(166, 198, 236, 0.18);
    box-shadow: 0 22px 52px rgba(0, 0, 0, 0.32);
}

.section-flow .mini-panel h3 {
    color: #ffffff;
}

.about-section .mini-panel {
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.86), rgba(246, 249, 253, 0.72));
    color: var(--text-dark);
    border-color: rgba(14, 29, 55, 0.1);
    box-shadow: 0 18px 46px rgba(30, 48, 74, 0.16);
}

.about-section .mini-panel h3 {
    color: var(--text-dark);
}

.industry-card-heading {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    margin-bottom: 0.85rem;
}

.industry-card-heading h3 {
    margin: 0;
}

.industry-icon {
    position: relative;
    z-index: 1;
    flex: 0 0 auto;
    display: inline-grid;
    place-items: center;
    width: 3rem;
    height: 3rem;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
    font-size: 1.35rem;
}

.industries-section .row > div:nth-child(1) .industry-icon { background: rgba(39, 131, 255, 0.2); color: #9fc6ff; }
.industries-section .row > div:nth-child(2) .industry-icon { background: rgba(89, 200, 61, 0.18); color: #9be985; }
.industries-section .row > div:nth-child(3) .industry-icon { background: rgba(255, 123, 0, 0.2); color: #ffbc7a; }
.industries-section .row > div:nth-child(4) .industry-icon { background: rgba(142, 194, 255, 0.18); color: #b7d7ff; }

.section-flow .row > div:nth-child(1) .mini-panel::before { background: linear-gradient(180deg, var(--blue), #5ca7ff); }
.section-flow .row > div:nth-child(2) .mini-panel::before { background: linear-gradient(180deg, #18a957, var(--green)); }
.section-flow .row > div:nth-child(3) .mini-panel::before { background: linear-gradient(180deg, #ff7b00, var(--red)); }
.section-flow .row > div:nth-child(4) .mini-panel::before { background: linear-gradient(180deg, #8ec2ff, #335884); }

.overview-panel,
.narrative-panel,
.cta-panel {
    padding: 2rem;
}

.map-frame {
    padding: 1rem;
    height: 100%;
}

.feature-list {
    display: grid;
    gap: 1rem;
    padding: 0;
    list-style: none;
    margin: 1.5rem 0 0;
}

.feature-list li {
    display: flex;
    gap: 0.9rem;
    align-items: flex-start;
}

.feature-list i,
.division-icon {
    flex: 0 0 auto;
    display: inline-grid;
    place-items: center;
    border-radius: 18px;
}

.feature-list i {
    width: 2.6rem;
    height: 2.6rem;
    background: rgba(39, 131, 255, 0.1);
    color: var(--navy);
}

.division-card {
    display: flex;
    flex-direction: column;
    padding: 1.8rem;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.09);
    position: relative;
    overflow: hidden;
}

.division-card::before {
    content: "";
    position: absolute;
    inset: auto -2rem -3rem auto;
    width: 10rem;
    height: 10rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    pointer-events: none;
}

.division-it { background: linear-gradient(180deg, #102347, #12346c); }
.division-studio { background: linear-gradient(180deg, #061d1b, #0f5c4d); }
.division-hatchery { background: linear-gradient(180deg, #502100, #ff7b00); }
.division-sound {
    background: linear-gradient(120deg, #121821, #1e2e46 50%, #335884);
    border-color: rgba(132, 178, 239, 0.28);
}

.division-card-wide {
    padding: 2rem 2.2rem;
}

.sound-card-layout {
    width: 100%;
    display: grid;
    grid-template-columns: minmax(24rem, 30rem) 1fr;
    gap: 1.4rem 2rem;
    align-items: stretch;
}

.sound-brand-panel {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: linear-gradient(170deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.03));
}

.sound-icon {
    min-height: 16.5rem;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sound-brand-panel .sound-logo {
    width: auto;
    max-width: 100%;
    max-height: 15.5rem;
}

.sound-domain {
    margin: 0;
    letter-spacing: 0.18em;
}

.sound-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sound-details h3 {
    margin: 0;
    font-size: 2.05rem;
    line-height: 1.05;
}

.sound-summary {
    margin: 0;
    font-size: 1.02rem;
    color: rgba(245, 248, 255, 0.9);
}

.sound-lead {
    margin: 0;
    font-size: 1.07rem;
    color: rgba(245, 248, 255, 0.9);
}

.sound-feature-grid {
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
}

.sound-feature-item {
    margin: 0;
    padding: 0.85rem 0.95rem;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: rgba(255, 255, 255, 0.05);
}

.sound-feature-grid strong {
    display: block;
    margin-bottom: 0.25rem;
}

.sound-feature-grid span {
    display: block;
    color: rgba(245, 248, 255, 0.86);
}

.sound-cta {
    width: min(100%, 18rem);
}

.sound-brand-cta {
    width: 100%;
    margin-top: auto;
}

.division-icon {
    width: 100%;
    min-height: 5.8rem;
    margin-bottom: 1rem;
    padding: 0.45rem 0.7rem;
    background: rgba(255, 255, 255, 0.12);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.division-logo {
    width: min(16.4rem, 100%);
    max-width: 100%;
    height: auto;
    max-height: 4.4rem;
    object-fit: contain;
}

.division-kicker {
    margin-bottom: 0.35rem;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: rgba(255, 255, 255, 0.76);
}

.division-card ul,
.structure-card ul,
.contact-list {
    padding-left: 1.1rem;
}

.division-card li,
.structure-card li {
    margin-bottom: 0.65rem;
}

.division-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin-top: auto;
    padding: 0.72rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.85);
    border-radius: 12px;
    text-decoration: none;
    color: #fff;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.06);
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.division-cta:visited {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.85);
    background: rgba(255, 255, 255, 0.06);
}

.division-cta:hover,
.division-cta:focus-visible {
    color: #0f1a2d;
    background: #fff;
    transform: translateY(-1px);
}

.structure-card {
    height: 100%;
    padding: 1.5rem;
    background: #fff;
    border: 1px solid rgba(14, 29, 55, 0.08);
}

.structure-card h3,
.overview-panel h3,
.division-card h3,
.narrative-panel h2,
.cta-panel h2,
.mini-panel h3 {
    margin-bottom: 1rem;
}

.structure-umbrella { border-top: 5px solid var(--navy); }
.structure-it { border-top: 5px solid var(--blue); }
.structure-studio { border-top: 5px solid #18a957; }
.structure-hatchery { border-top: 5px solid #ff7b00; }

.value-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1rem 1.25rem;
    border: 1px solid rgba(14, 29, 55, 0.1);
    border-radius: 999px;
    background: #fff;
    color: var(--text-dark);
    box-shadow: var(--shadow);
}

.value-strip span {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-weight: 700;
}

.value-strip i {
    color: var(--blue);
}

.mini-panel {
    padding: 1.2rem;
}

.contact-list {
    margin: 1.25rem 0 0;
    padding: 0;
    list-style: none;
}

.contact-list a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.85rem;
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 700;
}

.contact-list a:hover,
.contact-list a:focus {
    color: var(--blue);
}

.cta-note {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(14, 29, 55, 0.1);
    color: #50627b;
}

.site-footer {
    padding: 3.25rem 0 2.2rem;
    color: rgba(236, 243, 252, 0.94);
    background:
        radial-gradient(circle at 12% 8%, rgba(66, 126, 208, 0.2), transparent 42%),
        radial-gradient(circle at 88% 12%, rgba(34, 56, 84, 0.26), transparent 38%),
        linear-gradient(180deg, #2f3a4a 0%, #222d3d 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.11);
}

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

.site-footer .footer-brandmark .brand-title,
.site-footer .footer-brandmark .brand-subtitle,
.site-footer .footer-legal p,
.footer-links a {
    color: inherit;
    text-decoration: none;
}

.footer-structure-heading {
    max-width: none;
    width: 100%;
    margin-bottom: 1.35rem;
}

.site-footer .eyebrow {
    color: #9ec9ff;
}

.site-footer .section-heading p {
    color: rgba(223, 234, 250, 0.82);
    max-width: 56rem;
}

.group-contact-drawer {
    --bs-offcanvas-width: min(100vw, 38rem);
    background: linear-gradient(180deg, #0f1c2c 0%, #0c1725 100%);
    color: #f2f7ff;
    border-left: 1px solid rgba(150, 184, 226, 0.24);
}

.group-contact-drawer .offcanvas-header {
    border-bottom: 1px solid rgba(150, 184, 226, 0.2);
}

.group-contact-drawer .drawer-kicker {
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    font-weight: 800;
    color: #8ec2ff;
}

.group-contact-drawer .offcanvas-title {
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.35rem;
    color: #ffffff;
}

.group-contact-drawer .drawer-copy,
.group-contact-drawer .form-label {
    color: rgba(226, 236, 250, 0.9);
}

.group-contact-drawer .form-control,
.group-contact-drawer .form-select {
    color: #edf4ff;
    background-color: rgba(8, 16, 28, 0.72);
    border-color: rgba(150, 184, 226, 0.3);
}

.group-contact-drawer .form-control::placeholder {
    color: rgba(194, 212, 238, 0.7);
}

.group-contact-drawer .form-control:focus,
.group-contact-drawer .form-select:focus {
    border-color: rgba(92, 167, 255, 0.72);
    box-shadow: 0 0 0 0.2rem rgba(56, 140, 239, 0.2);
    background-color: rgba(9, 18, 31, 0.86);
}

.footer-structure-grid .structure-card {
    height: 100%;
    padding: 1.05rem 1rem 0.9rem;
    background: rgba(13, 22, 34, 0.72);
    color: rgba(241, 246, 255, 0.95);
    border: 1px solid rgba(161, 193, 234, 0.22);
    border-top: 4px solid rgba(161, 193, 234, 0.4);
    box-shadow: 0 12px 28px rgba(2, 8, 16, 0.3);
}

.footer-structure-grid .structure-it {
    border-top-color: var(--blue);
}

.footer-structure-grid .structure-studio {
    border-top-color: #18a957;
}

.footer-structure-grid .structure-hatchery {
    border-top-color: #ff7b00;
}

.footer-structure-grid .structure-umbrella {
    border-top-color: #ff3b30;
}

.footer-structure-grid .structure-card h3 {
    font-size: 1rem;
    margin-bottom: 0.65rem;
}

.footer-structure-grid .structure-domain {
    margin: 0 0 0.4rem;
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(171, 206, 246, 0.88);
    font-weight: 700;
}

.footer-structure-grid .structure-card ul {
    margin-bottom: 0;
    padding-left: 1rem;
}

.footer-structure-grid .structure-card li {
    margin-bottom: 0.38rem;
    line-height: 1.35;
    font-size: 0.86rem;
    color: rgba(226, 236, 250, 0.9);
}

.footer-structure-grid .structure-card li a {
    color: rgba(228, 238, 252, 0.9);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all 0.2s ease;
}

.footer-structure-grid .structure-card li a:hover,
.footer-structure-grid .structure-card li a:focus {
    color: #ffffff;
    border-bottom-color: rgba(255, 255, 255, 0.5);
}

.footer-nav-strip {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    padding: 0.72rem 1rem;
    gap: 0.35rem 0.78rem;
    border-radius: 16px;
    background: rgba(10, 20, 33, 0.72);
    border: 1px solid rgba(166, 198, 236, 0.2);
    color: rgba(234, 242, 255, 0.95);
    box-shadow: 0 14px 28px rgba(4, 10, 18, 0.28);
}

.footer-nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 0.78rem;
}

.footer-nav-strip span {
    font-size: 0.88rem;
    font-weight: 800;
}

.footer-nav-strip .bi-dot {
    font-size: 0.9rem;
    color: #8bb5f0;
}

.footer-social-links {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 0.42rem;
}

.footer-social-links a {
    width: 1.9rem;
    height: 1.9rem;
    display: inline-grid;
    place-items: center;
    border-radius: 999px;
    border: 1px solid rgba(177, 205, 238, 0.3);
    color: rgba(231, 241, 255, 0.92);
    text-decoration: none;
    background: rgba(255, 255, 255, 0.04);
    transition: transform 0.2s ease, color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.footer-social-links a:hover,
.footer-social-links a:focus {
    color: #ffffff;
    border-color: rgba(210, 228, 250, 0.72);
    background: rgba(113, 167, 236, 0.18);
    transform: translateY(-1px);
}

.footer-meta {
    margin-top: 1.2rem;
}

.footer-brandmark {
    margin-right: auto;
}

.footer-brandmark .brand-logo {
    width: 62px;
    height: 62px;
}

.footer-brandmark .brand-title {
    font-size: 1.15rem;
}

.footer-brandmark .brand-subtitle {
    font-size: 0.68rem;
    letter-spacing: 0.14em;
}

.footer-legal-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem 0.85rem;
}

.footer-legal-links a {
    color: rgba(228, 238, 252, 0.9);
    font-size: 0.87rem;
    text-decoration: none;
    border-bottom: 1px solid transparent;
}

.footer-legal-links a:hover,
.footer-legal-links a:focus {
    color: #fff;
    border-bottom-color: rgba(255, 255, 255, 0.7);
}

.footer-amp {
    color: #ffffff;
}

.reveal-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, var(--blue) 0%, #2569d4 100%);
    border: none;
    border-radius: 50%;
    color: #ffffff;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: scale(0.8) translateY(20px);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 8px 24px rgba(39, 131, 255, 0.32);
    z-index: 999;
}

.back-to-top:hover {
    transform: scale(1.1) translateY(0);
    box-shadow: 0 12px 32px rgba(39, 131, 255, 0.48);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: scale(1) translateY(0);
}

@media (max-width: 991.98px) {
    .hero-section {
        padding-top: 8.5rem;
    }

    .glass-nav {
        background: rgba(7, 17, 31, 0.9);
    }

    .sound-card-layout {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .sound-feature-grid {
        grid-template-columns: 1fr;
    }

    .sound-details h3 {
        font-size: 1.7rem;
    }
}

@media (max-width: 767.98px) {
    .section-space {
        padding: 4.5rem 0;
    }

    .hero-section h1 {
        font-size: 2.55rem;
    }

    .brand-title {
        font-size: 1.15rem;
    }

    .brand-subtitle {
        font-size: 0.7rem;
        letter-spacing: 0.11em;
    }

    .value-strip {
        border-radius: 24px;
    }

    .footer-nav-strip {
        border-radius: 14px;
    }

    .footer-social-links {
        margin-left: 0;
    }

    .footer-legal-links {
        justify-content: flex-start;
    }
}
