@charset "utf-8";

:root {
  color-scheme: dark;
  --page: #202023;
  --surface: #303033;
  --surface-raised: #4d4d4f;
  --surface-soft: #39393c;
  --blue: #0073c8;
  --blue-bright: #1597ed;
  --text: #f5f6f8;
  --muted: #b9bbc1;
  --line: rgba(255, 255, 255, .12);
  --content: 1180px;
  --radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  padding-top: 78px;
  color: var(--text);
  background: var(--page);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  line-height: 1.6;
}
img { max-width: 100%; }
a { color: inherit; }
button, input { font: inherit; }
:focus-visible { outline: 3px solid #65baff; outline-offset: 4px; }

/* Shared header */
.navbar {
  position: fixed;
  z-index: 1000;
  inset: 0 0 auto;
  min-height: 78px;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 0 clamp(20px, 5vw, 64px);
  background: rgba(32, 32, 35, .94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}
.logo { display: inline-flex; align-items: center; flex: 0 0 auto; }
.logo-img { display: block; width: auto; height: 62px; object-fit: contain; }
.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(16px, 2.2vw, 32px);
  margin-left: auto;
}
.nav-links a {
  color: #dedfe2;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-decoration: none;
  transition: color .2s ease;
}
.nav-links a:hover, .nav-links a.active { color: #65baff; }
.quote-button, .btn, .play-btn{
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 22px;
  border: 1px solid var(--blue);
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.quote-button { flex: 0 0 auto; min-height: 44px; padding-inline: 18px; font-size: .88rem; }
.quote-button:hover, .btn:hover, .play-btn:hover:not(:disabled){ transform: translateY(-2px); background: var(--blue-bright); border-color: var(--blue-bright); }
.nav-toggle { display: none; }

/* Home hero */
.hero {
  position: relative;
  isolation: isolate;
  min-height: min(760px, calc(100svh - 78px));
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: clamp(76px, 10vw, 140px) max(6vw, calc((100vw - var(--content)) / 2));
  background: var(--page);
}
.hero::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, rgba(32,32,35,.98) 0%, rgba(32,32,35,.88) 42%, rgba(32,32,35,.22) 100%);
}
.hero::after {
  position: absolute;
  z-index: -1;
  inset: 0;
  content: "";
  opacity: .16;
  background-image: linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, #000, transparent 78%);
}
.hero-glow { position: absolute; z-index: -2; inset: 0 0 0 28%; overflow: hidden; }
.car-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: .8;
  mask-image: linear-gradient(90deg, transparent 0%, #000 43%);
}
.hero-content { width: min(100%, 700px); position: relative; z-index: 1; }
.hero-label, .eyebrow {
  display: block;
  margin: 0 0 18px;
  color: #65baff;
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .19em;
  line-height: 1.5;
  text-transform: uppercase;
}
.hero-title { margin: 0 0 24px; font-size: clamp(2.8rem, 7vw, 5.8rem); font-weight: 850; letter-spacing: -.065em; line-height: .98; }
.hero-title span { display: block; }
.hero-title .line-2 { color: transparent; -webkit-text-stroke: 1.5px rgba(255,255,255,.58); }
.hero-title .line-4 { color: #35a6f4; }
.hero-desc { max-width: 560px; margin: 0 0 30px; color: #d0d1d5; font-size: 1.02rem; line-height: 1.75; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.btn-secondary { border-color: rgba(255,255,255,.42); background: rgba(32,32,35,.42); }
.btn-secondary:hover { background: var(--surface-raised); border-color: #fff; }
.audio-visualizer { height: 78px; display: flex; align-items: center; gap: 5px; overflow: hidden; padding: 12px 0 0; }
.audio-visualizer .bar { flex: 1; min-width: 2px; max-width: 8px; height: 12%; border-radius: 20px 20px 0 0; background: linear-gradient(to top, #075cff, #008dff 55%, #00d9ff); opacity: .78; }

/* Service ribbon */
.marquee { padding: 20px 24px; border-block: 1px solid var(--line); background: var(--surface-raised); }
.marquee-track { width: min(var(--content), 100%); display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 12px 22px; margin: 0 auto; }
.marquee-track span { flex-shrink: 0; }
.marquee-item { color: #f4f5f7; font-size: .93rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.marquee-item.outline { color: #f4f5f7; -webkit-text-stroke: 0; }
.diamond { color: #76c5ff; font-size: .7rem; }

/* Audio comparison */
.layout { display: grid; grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr); gap: clamp(36px, 7vw, 92px); align-items: center; width: min(var(--content), calc(100% - 48px)); margin: 0 auto; padding: 112px 0; }
.copy .eyebrow { margin-bottom: 14px; }
.copy h2 { margin: 0 0 20px; color: #fff; font-size: clamp(2.2rem, 4vw, 3.5rem); letter-spacing: -.055em; line-height: 1.05; }
.copy h2 span { color: #59b8ff; }
.copy .intro { max-width: 490px; margin: 0 0 26px; color: var(--muted); }
.toggle { display: inline-flex; gap: 5px; margin: 0 0 25px; padding: 5px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); }
.toggle button { border: 0; border-radius: 999px; padding: 10px 16px; background: transparent; color: #d9dbe0; cursor: pointer; }
.toggle button[aria-pressed="true"] { background: var(--blue); color: #fff; }
.specs { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; color: #aeb0b6; font-size: .68rem; font-weight: 700; letter-spacing: .1em; }
.play-symbol { width: 9px; height: 9px; border-radius: 50%; background: #31a6f5; box-shadow: 0 0 14px #31a6f5; }
.visualizer {
  min-width: 0;
  min-height: 540px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  padding: clamp(28px, 3vw, 46px);
  border: 1px solid rgba(0, 115, 200, .32);
  border-radius: 30px;
  color: #fff;
  background: linear-gradient(145deg, #080d17, #030812 72%);
  box-shadow: none;
}
.panel-top, .metrics { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.panel-title, .profile, .metric-label, .upload-hint { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; text-transform: uppercase; letter-spacing: .2em; }
.panel-title { color: #fff; font-size: .82rem; font-weight: 700; }
.profile { padding: 10px 18px; border-radius: 999px; background: var(--blue); color: #fff; font-size: .7rem; letter-spacing: .06em; white-space: nowrap; }
.bars-wrap { height: 220px; margin: 30px 0 24px; }
#bars { display: block; width: 100%; height: 100%; }
.metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.metric { min-width: 0; min-height: 92px; padding: 17px 8px 12px; border: 1px solid var(--blue); border-radius: 17px; background: rgba(3, 8, 18, .72); text-align: center; }
.metric strong { display: block; margin-bottom: 10px; color: #fff; font-size: clamp(1rem, 1.4vw, 1.35rem); letter-spacing: -.04em; }
.metric-label { color: #718098; font-size: .62rem; letter-spacing: .17em; line-height: 1.5; }
.audio-controls { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.file-label, .play-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 16px; border: 1px solid rgba(0, 215, 255, .34); border-radius: 999px; color: #dcefff; background: rgba(0, 80, 255, .12); font-size: .82rem; font-weight: 650; cursor: pointer; }
.file-label input { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.file-label:focus-within { outline: 3px solid #65baff; outline-offset: 3px; }
.play-btn { transition: background .2s ease, border-color .2s ease; }
.play-btn:disabled { opacity: .45; cursor: not-allowed; }
.upload-hint { color: #75849b; font-size: .62rem; letter-spacing: .11em; line-height: 1.6; }
.visualizer audio { display: none; }

/* Featured work */
.services-section { padding: 100px 24px; background: var(--surface); }
.services-container { width: min(var(--content), 100%); margin: 0 auto; }
.services-header { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 38px; }
.services-header .eyebrow { margin-bottom: 12px; }
.services-header h2 { margin: 0; font-size: clamp(2rem, 4vw, 3.2rem); letter-spacing: -.05em; line-height: 1.08; }
.all-services { display: inline-flex; gap: 10px; align-items: center; padding-bottom: 6px; color: #78c8ff; font-weight: 700; text-decoration: none; white-space: nowrap; }
.all-services:hover { color: #fff; }
.services-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.service-card { position: relative; isolation: isolate; min-height: 290px; display: flex; align-items: end; overflow: hidden; padding: 28px; border: 1px solid rgba(255,255,255,.2); border-radius: var(--radius); background-color: var(--surface-raised); background-clip: padding-box; background-size: cover; background-position: center; color: white; transition: transform .25s ease, border-color .25s ease; }
.card-one { background-image: url("../images/red-lit-dual-subwoofer-trunk-build.jpeg"); }
.card-two { background-image: url("../images/rear-view-camera-display-installation.jpg"); background-image: image-set(url("../images/rear-view-camera-display-installation.webp") type("image/webp"), url("../images/rear-view-camera-display-installation.jpg") type("image/jpeg")); }
.card-three { background-image: url("../images/vehicle-window-tint-application.jpg"); background-image: image-set(url("../images/vehicle-window-tint-application.webp") type("image/webp"), url("../images/vehicle-window-tint-application.jpg") type("image/jpeg")); }
.card-four { background-image: url("../images/car-audio-fabrication-workshop.jpg"); background-image: image-set(url("../images/car-audio-fabrication-workshop.webp") type("image/webp"), url("../images/car-audio-fabrication-workshop.jpg") type("image/jpeg")); }
.service-card:hover { transform: translateY(-4px); border-color: rgba(255,255,255,.34); }
.card-overlay { position: absolute; z-index: -1; inset: 1px; border-radius: calc(var(--radius) - 1px); background: linear-gradient(180deg, rgba(20,20,22,.08) 8%, rgba(20,20,22,.88) 100%); pointer-events: none; }
.card-content { position: static; width: 100%; }
.card-number { display: block; margin-bottom: 8px; color: #75c7ff; font-size: .76rem; font-weight: 700; letter-spacing: .14em; }
.card-content h3 { max-width: 430px; margin: 0; font-size: clamp(1.2rem, 2.4vw, 1.7rem); line-height: 1.2; }
.card-service-links { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 14px; }
.card-service-link { display: inline-flex; align-items: center; gap: 6px; color: #9bd7ff; font-size: .9rem; font-weight: 700; text-decoration: none; text-underline-offset: 4px; }
.card-primary-link { position: static; }
.card-primary-link::after { position: absolute; z-index: 1; inset: 0; border-radius: calc(var(--radius) - 1px); content: ""; }
.card-primary-link:focus-visible { outline: none; }
.card-primary-link:focus-visible::after { box-shadow: inset 0 0 0 3px #75c7ff; }
.card-secondary-link { position: relative; z-index: 2; }
.card-service-link:hover, .card-service-link:focus-visible { color: #fff; text-decoration: underline; }
.card-service-link:focus-visible { outline: 2px solid #75c7ff; outline-offset: 4px; border-radius: 2px; }

/* Brand promise */
.testimonials { padding: 100px 24px; background: var(--page); text-align: center; }
.testimonials .label { margin-bottom: 12px; color: #75c7ff; font-size: .75rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
.testimonials .title { max-width: 680px; margin: 0 auto 42px; color: #fff; font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -.045em; line-height: 1.12; }
.testimonials .cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; width: min(var(--content), 100%); margin: 0 auto; }
.testimonials .card { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); text-align: left; }
.testimonials .card h3 { margin: 0 0 12px; color: #79c8ff; font-size: 1.05rem; }
.testimonials .quote { margin: 0; color: var(--muted); font-size: .94rem; line-height: 1.7; }

/* Consultation banner */
.hero-section { position: relative; isolation: isolate; min-height: 390px; display: grid; place-items: center; overflow: hidden; padding: 72px 24px; background: linear-gradient(125deg, #4d4d4f, #303033 55%, #202023); text-align: center; }
.hero-section::before { position: absolute; z-index: -1; inset: 0; content: ""; opacity: .14; background-image: radial-gradient(#8dcfff 1px, transparent 1px); background-size: 20px 20px; }
.hero-section .waves { position: absolute; z-index: -1; inset: 0; display: flex; align-items: center; justify-content: space-between; gap: 0; padding-inline: clamp(16px, 3vw, 56px); opacity: .12; }
.hero-section .waves .bar { flex: 0 0 5px; width: 5px; height: 30%; border-radius: 8px; background: #51b5ff; transform-origin: center; animation: wave 1.4s ease-in-out infinite; }
.hero-section .waves .bar:nth-child(1)  { height: 120px; animation-delay: 0.0s; }
.hero-section .waves .bar:nth-child(2)  { height: 135px; animation-delay: 0.1s; }
.hero-section .waves .bar:nth-child(3)  { height: 155px; animation-delay: 0.2s; }
.hero-section .waves .bar:nth-child(4)  { height: 180px; animation-delay: 0.15s; }
.hero-section .waves .bar:nth-child(5)  { height: 145px; animation-delay: 0.3s; }
.hero-section .waves .bar:nth-child(6)  { height: 170px; animation-delay: 0.05s; }
.hero-section .waves .bar:nth-child(7)  { height: 130px; animation-delay: 0.25s; }
.hero-section .waves .bar:nth-child(8)  { height: 190px; animation-delay: 0.1s; }
.hero-section .waves .bar:nth-child(9)  { height: 150px; animation-delay: 0.35s; }
.hero-section .waves .bar:nth-child(10) { height: 165px; animation-delay: 0.2s; }
.hero-section .waves .bar:nth-child(11) { height: 140px; animation-delay: 0.4s; }
.hero-section .waves .bar:nth-child(12) { height: 175px; animation-delay: 0.15s; }
.hero-section .waves .bar:nth-child(13) { height: 125px; animation-delay: 0.3s; }
.hero-section .waves .bar:nth-child(14) { height: 185px; animation-delay: 0.05s; }
.hero-section .waves .bar:nth-child(15) { height: 155px; animation-delay: 0.25s; }
.hero-section .waves .bar:nth-child(16) { height: 135px; animation-delay: 0.35s; }
.hero-section .waves .bar:nth-child(17) { height: 170px; animation-delay: 0.1s; }
.hero-section .waves .bar:nth-child(18) { height: 145px; animation-delay: 0.2s; }
.hero-section .waves .bar:nth-child(19) { height: 160px; animation-delay: 0.15s; }
.hero-section .waves .bar:nth-child(20) { height: 130px; animation-delay: 0.3s; }
.hero-section .waves .bar:nth-child(21) { height: 180px; animation-delay: 0.05s; }
.hero-section .waves .bar:nth-child(22) { height: 150px; animation-delay: 0.25s; }
.hero-section .waves .bar:nth-child(23) { height: 140px; animation-delay: 0.4s; }
.hero-section .waves .bar:nth-child(24) { height: 165px; animation-delay: 0.1s; }
.hero-section .waves .bar:nth-child(25) { height: 125px; animation-delay: 0.35s; }
.hero-section .waves .bar:nth-child(26) { height: 175px; animation-delay: 0.2s; }
.hero-section .waves .bar:nth-child(27) { height: 155px; animation-delay: 0.15s; }
.hero-section .waves .bar:nth-child(28) { height: 135px; animation-delay: 0.3s; }
.hero-section .waves .bar:nth-child(29) { height: 190px; animation-delay: 0.05s; }
.hero-section .waves .bar:nth-child(30) { height: 145px; animation-delay: 0.25s; }
.hero-section .waves .bar:nth-child(31) { height: 160px; animation-delay: 0.1s; }
.hero-section .waves .bar:nth-child(32) { height: 130px; animation-delay: 0.4s; }
.hero-section .waves .bar:nth-child(33) { height: 170px; animation-delay: 0.15s; }
.hero-section .waves .bar:nth-child(34) { height: 150px; animation-delay: 0.2s; }
.hero-section .waves .bar:nth-child(35) { height: 140px; animation-delay: 0.35s; }
.hero-section .waves .bar:nth-child(36) { height: 180px; animation-delay: 0.05s; }
.hero-section .waves .bar:nth-child(37) { height: 125px; animation-delay: 0.3s; }
.hero-section .waves .bar:nth-child(38) { height: 165px; animation-delay: 0.25s; }
.hero-section .waves .bar:nth-child(39) { height: 145px; animation-delay: 0.1s; }
.hero-section .waves .bar:nth-child(40) { height: 155px; animation-delay: 0.15s; }
.hero-section .waves .bar:nth-child(41) { height: 170px; animation-delay: 0.2s; }
.hero-section .waves .bar:nth-child(42) { height: 135px; animation-delay: 0.3s; }
.hero-section .waves .bar:nth-child(43) { height: 150px; animation-delay: 0.05s; }
.hero-section .waves .bar:nth-child(44) { height: 180px; animation-delay: 0.25s; }
.hero-section .waves .bar:nth-child(45) { height: 140px; animation-delay: 0.15s; }
.hero-section .waves .bar:nth-child(46) { height: 160px; animation-delay: 0.35s; }
.hero-section .waves .bar:nth-child(47) { height: 125px; animation-delay: 0.1s; }
.hero-section .waves .bar:nth-child(48) { height: 175px; animation-delay: 0.2s; }
.hero-section .waves .bar:nth-child(49) { height: 145px; animation-delay: 0.4s; }
.hero-section .waves .bar:nth-child(50) { height: 155px; animation-delay: 0.05s; }
.hero-section .waves .bar:nth-child(51) { height: 150px; animation-delay: 0.05s; }
.hero-section .waves .bar:nth-child(52) { height: 180px; animation-delay: 0.25s; }
.hero-section .waves .bar:nth-child(53) { height: 140px; animation-delay: 0.15s; }
.hero-section .waves .bar:nth-child(54) { height: 160px; animation-delay: 0.35s; }
.hero-section .waves .bar:nth-child(55) { height: 125px; animation-delay: 0.1s; }
.hero-section .waves .bar:nth-child(56) { height: 175px; animation-delay: 0.2s; }
.hero-section .waves .bar:nth-child(57) { height: 145px; animation-delay: 0.4s; }
.hero-section .waves .bar:nth-child(58) { height: 155px; animation-delay: 0.05s; }
.hero-section .waves .bar:nth-child(59) { height: 150px; animation-delay: 0.05s; }
.hero-section .waves .bar:nth-child(60) { height: 130px; animation-delay: 0.25s; }
.hero-section .waves .bar:nth-child(61) { height: 150px; animation-delay: 0.15s; }
.hero-section .waves .bar:nth-child(62) { height: 165px; animation-delay: 0.35s; }
.hero-section .waves .bar:nth-child(63) { height: 125px; animation-delay: 0.1s; }
.hero-section .waves .bar:nth-child(64) { height: 185px; animation-delay: 0.2s; }
.hero-section .waves .bar:nth-child(65) { height: 165px; animation-delay: 0.4s; }
.hero-section .waves .bar:nth-child(66) { height: 145px; animation-delay: 0.05s; }
.hero-section .waves .bar:nth-child(67) { height: 130px; animation-delay: 0.15s; }
.hero-section .waves .bar:nth-child(68) { height: 115px; animation-delay: 0.35s; }
.hero-section .waves .bar:nth-child(69) { height: 105px; animation-delay: 0.1s; }
.hero-section .waves .bar:nth-child(70) { height: 165px; animation-delay: 0.2s; }
.hero-section .waves .bar:nth-child(71) { height: 195px; animation-delay: 0.4s; }
.hero-section .waves .bar:nth-child(72) { height: 125px; animation-delay: 0.05s; }
.hero-section .waves .bar:nth-child(73) { height: 130px; animation-delay: 0.15s; }
.hero-section .waves .bar:nth-child(74) { height: 175px; animation-delay: 0.35s; }
.hero-section .waves .bar:nth-child(75) { height: 145px; animation-delay: 0.1s; }
.hero-section .waves .bar:nth-child(76) { height: 135px; animation-delay: 0.2s; }
.hero-section .waves .bar:nth-child(77) { height: 125px; animation-delay: 0.4s; }
.hero-section .waves .bar:nth-child(78) { height: 115px; animation-delay: 0.05s; }
@keyframes wave { 0%, 100% { transform: scaleY(.4); opacity: .6; } 50% { transform: scaleY(1.3); opacity: 1; } }
.hero-section .content { max-width: 760px; }
.hero-section h2 { margin: 0 0 16px; font-size: clamp(2.5rem, 6vw, 4.4rem); letter-spacing: -.055em; line-height: 1.02; }
.hero-section p { max-width: 600px; margin: 0 auto 26px; color: #d2d3d7; font-size: 1.05rem; }
.hero-section .btn { background: var(--blue); }
.hero-section .btn svg { width: 18px; height: 18px; }

@media (max-width: 980px) {
  .navbar { gap: 16px; }
  .nav-links { gap: 14px; }
  .nav-links a { font-size: .69rem; }
  .quote-button { padding-inline: 13px; font-size: .78rem; }
  .layout { gap: 34px; }
}
@media (max-width: 760px) {
  body { padding-top: 70px; }
  .navbar { min-height: 70px; justify-content: space-between; padding-inline: 18px; }
  .logo-img { height: 54px; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 0 14px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); color: white; cursor: pointer; }
  .nav-links { position: absolute; top: calc(100% + 1px); inset-inline: 0; display: none; align-items: stretch; gap: 0; margin: 0; padding: 8px 18px 16px; border-bottom: 1px solid var(--line); background: #202023; }
  .navbar.menu-open .nav-links { display: flex; flex-direction: column; }
  .nav-links a { padding: 13px 4px; border-bottom: 1px solid var(--line); font-size: .8rem; }
  .quote-button { margin-left: auto; }
  .hero { min-height: calc(100svh - 70px); flex-direction: column; align-items: stretch; justify-content: center; gap: 28px; padding: clamp(44px, 8svh, 78px) 22px 42px; }
  .hero-glow { inset: 0; opacity: .42; }
  .car-img { object-position: 68% center; mask-image: linear-gradient(180deg, #000 0%, rgba(0,0,0,.72) 68%, rgba(0,0,0,.46) 100%); }
  .hero::before { background: linear-gradient(180deg, rgba(32,32,35,.88) 0%, rgba(32,32,35,.78) 55%, rgba(32,32,35,.95) 100%); }
  .hero::after { background-size: 54px 54px; mask-image: linear-gradient(180deg, #000, transparent 85%); }
  .hero-content { width: 100%; max-width: 620px; }
  .hero-label { max-width: 38ch; margin-bottom: 14px; font-size: .7rem; letter-spacing: .12em; }
  .hero-title { margin-bottom: 19px; font-size: clamp(2.15rem, 9.5vw, 3.7rem); letter-spacing: -.055em; line-height: .96; }
  .hero-desc { max-width: 48ch; margin-bottom: 24px; font-size: clamp(.94rem, 3.8vw, 1.02rem); line-height: 1.65; }
  .hero-cta { width: min(100%, 380px); flex-direction: column; align-items: stretch; gap: 10px; }
  .hero-cta .btn { width: 100%; min-height: 48px; }
  .audio-visualizer { width: 100%; height: 48px; flex: 0 0 48px; padding-top: 4px; }
  .layout { grid-template-columns: 1fr; width: min(100% - 36px, 620px); padding: 76px 0; }
  .services-section, .testimonials { padding: 76px 18px; }
  .services-header { align-items: flex-start; flex-direction: column; gap: 18px; }
  .services-grid { gap: 14px; }
  .service-card { min-height: 245px; padding: 22px; }
  .testimonials .cards { grid-template-columns: 1fr; max-width: 560px; }
}
@media (max-width: 520px) {
  .quote-button { width: 42px; min-width: 42px; padding: 0; font-size: 0; }
  .quote-button .arrow { font-size: 22px; }
  .hero { min-height: calc(100svh - 70px); gap: 22px; padding: 42px 18px 34px; }
  .hero-label { font-size: .66rem; letter-spacing: .1em; }
  .hero-title { font-size: clamp(2rem, 9.8vw, 3.1rem); }
  .hero-desc { font-size: .93rem; }
  .marquee { padding: 18px 16px; }
  .marquee-track { gap: 10px 14px; }
  .marquee-item { font-size: .72rem; }
  .visualizer { min-height: 460px; padding: 23px 17px; border-radius: 25px; }
  .panel-title { font-size: .62rem; letter-spacing: .12em; }
  .profile { padding: 8px 10px; font-size: .58rem; }
  .bars-wrap { height: 190px; margin: 26px 0 20px; }
  .metrics { align-items: stretch; gap: 7px; }
  .metric { min-height: 82px; padding: 14px 4px 10px; border-radius: 12px; }
  .metric strong { margin-bottom: 8px; font-size: .94rem; }
  .metric-label { font-size: .5rem; letter-spacing: .07em; }
  .audio-controls { align-items: flex-start; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 260px; }
}