/* =========================================================
   NBS ONE — Reference Theme Match
   Black · Gold · Inter · Glass · Pill CTAs
   ========================================================= */

:root {
  --bg: #000000;
  --bg-secondary: #0a0a0a;
  --card: #121212;
  --border: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.16);
  --accent: #ffbf00;
  --accent-hover: #ffd033;
  --accent-soft: rgba(255, 191, 0, 0.14);
  --accent-glow: rgba(255, 191, 0, 0.35);
  --text: #ffffff;
  --text-secondary: #a8a8a8;
  --text-muted: #6b6b6b;

  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --fs-hero: clamp(2.25rem, 5.5vw, 4.5rem);
  --fs-h2: clamp(1.85rem, 3.6vw, 3.25rem);
  --fs-h3: 1.35rem;
  --fs-body: 16px;
  --fs-small: 14px;
  --lh-tight: 1.05;
  --lh-body: 1.65;

  --container: 1180px;
  --gutter: clamp(1.25rem, 5.5vw, 5.5rem);
  --radius-pill: 999px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --header-h: 76px;

  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration: 0.45s;
  --duration-fast: 0.28s;

  --shadow-soft: 0 16px 48px rgba(0, 0, 0, 0.45);
  --shadow-lift: 0 28px 64px rgba(0, 0, 0, 0.55), 0 0 40px rgba(255, 191, 0, 0.08);
  --shadow-btn: 0 8px 28px rgba(255, 191, 0, 0.32);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: var(--lh-body);
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button {
  font: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

/* ---------- Ambient ---------- */
.bg-ambient {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
  background: #000;
}

.bg-radial {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.75;
}

.bg-radial--1 {
  width: 65vw;
  height: 65vw;
  top: -25%;
  left: -15%;
  background: radial-gradient(circle, rgba(255, 191, 0, 0.08) 0%, transparent 68%);
}

.bg-radial--2 {
  width: 50vw;
  height: 50vw;
  top: 25%;
  right: -18%;
  background: radial-gradient(circle, rgba(60, 80, 140, 0.18) 0%, transparent 70%);
}

.bg-radial--3 {
  width: 45vw;
  height: 45vw;
  bottom: -15%;
  left: 30%;
  background: radial-gradient(circle, rgba(255, 191, 0, 0.05) 0%, transparent 70%);
}

.bg-noise {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

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

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 72px;
}

.section-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.section-title {
  font-size: var(--fs-h2);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: var(--lh-tight);
  margin-bottom: 14px;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.text-accent {
  color: var(--accent);
}

/* ---------- Buttons — pill, gold ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font);
  font-weight: 700;
  font-size: 14.5px;
  letter-spacing: -0.01em;
  padding: 14px 26px;
  border-radius: var(--radius-pill);
  border: 1.5px solid transparent;
  transition:
    transform var(--duration-fast) var(--ease-out),
    box-shadow var(--duration) var(--ease),
    background var(--duration) var(--ease),
    border-color var(--duration) var(--ease),
    filter var(--duration-fast) var(--ease);
  white-space: nowrap;
}

.btn--primary {
  background: var(--accent);
  color: #000;
  box-shadow: var(--shadow-btn);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--accent-hover);
  transform: scale(1.04) translateY(-1px);
  box-shadow: 0 12px 36px rgba(255, 191, 0, 0.42);
}

.btn--primary:active {
  transform: scale(0.97);
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.28);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.05);
  transform: scale(1.03);
}

.btn--sm {
  padding: 11px 20px;
  font-size: 13.5px;
}

.btn__arrow {
  font-weight: 600;
  transition: transform var(--duration-fast) var(--ease-out);
}

.btn:hover .btn__arrow {
  transform: translateX(3px);
}

.btn__play-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border: 1.5px solid rgba(255, 255, 255, 0.55);
  border-radius: 50%;
}

.btn__play {
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 4px 0 4px 7px;
  border-color: transparent transparent transparent var(--text);
  margin-left: 2px;
}

/* ---------- Logo — image lockup ---------- */
.logo {
  display: inline-flex;
  align-items: center;
  z-index: 2;
  transition: opacity var(--duration-fast) var(--ease), transform var(--duration-fast) var(--ease);
}

.logo:hover {
  opacity: 0.92;
  transform: translateY(-0.5px);
}

.logo__img {
  display: block;
  height: 28px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
}

.logo--footer .logo__img {
  height: 24px;
  max-width: 160px;
}

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition:
    background 0.4s var(--ease),
    border-color 0.4s var(--ease),
    backdrop-filter 0.4s var(--ease),
    box-shadow 0.4s var(--ease);
}

.header.is-scrolled {
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(24px) saturate(1.5);
  -webkit-backdrop-filter: blur(24px) saturate(1.5);
  border-bottom-color: var(--border);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  width: min(100% - 2 * var(--gutter), var(--container));
  margin-inline: auto;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav__link {
  font-size: 13.5px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.88);
  transition: color 0.25s var(--ease);
  position: relative;
  padding: 4px 0;
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.3s var(--ease-out);
}

.nav__link:hover,
.nav__link:focus-visible,
.nav__link.is-active {
  color: var(--text);
}

.nav__link:hover::after,
.nav__link:focus-visible::after,
.nav__link.is-active::after {
  width: 100%;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.cart-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--text);
  border-radius: 10px;
  transition: background 0.25s var(--ease);
}

.cart-btn:hover {
  background: rgba(255, 255, 255, 0.06);
}

.cart-btn__badge {
  position: absolute;
  top: 4px;
  right: 2px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  background: var(--accent);
  color: #000;
  font-size: 10px;
  font-weight: 700;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  border-radius: 10px;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s var(--ease-out), opacity 0.25s var(--ease);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
  padding: 48px 0 88px;
  overflow: hidden;
}

.hero__dashboard {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 75% 48%, rgba(255, 191, 0, 0.08), transparent 58%),
    radial-gradient(ellipse 45% 40% at 85% 70%, rgba(70, 90, 160, 0.16), transparent 52%),
    linear-gradient(180deg, transparent 50%, #000 100%);
  pointer-events: none;
}

.hero__dashboard::before {
  content: "";
  position: absolute;
  inset: 8% 0 15% 48%;
  background:
    radial-gradient(ellipse at 55% 45%, rgba(30, 36, 55, 0.9) 0%, transparent 65%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.03), transparent 50%);
  filter: blur(40px);
  opacity: 0.85;
}

.hero__waves {
  position: absolute;
  right: 7%;
  top: 50%;
  transform: translateY(-50%);
  width: 420px;
  height: 420px;
  pointer-events: none;
  z-index: 0;
}

.wave {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 191, 0, 0.12);
  border-radius: 50%;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.hero__tagline {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 26px;
  text-transform: uppercase;
}

.hero__title {
  font-size: var(--fs-hero);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: var(--lh-tight);
  margin-bottom: 22px;
  max-width: 12ch;
}

.hero__desc {
  max-width: 420px;
  color: var(--text-secondary);
  font-size: 1.0625rem;
  line-height: 1.65;
  letter-spacing: -0.01em;
  margin-bottom: 36px;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 36px;
}

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  background: rgba(18, 18, 18, 0.85);
  border: 1px solid var(--border);
  border-radius: 14px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-secondary);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease), transform 0.25s var(--ease-out);
}

.badge:hover {
  border-color: rgba(255, 191, 0, 0.3);
  color: var(--text);
  transform: translateY(-2px);
}

.badge__icon--apple {
  color: #34c759;
}

.badge__icon--android {
  color: #3ddc84;
}

.hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 520px;
  perspective: 1000px;
}

.hero__glow-ring {
  position: absolute;
  width: 280px;
  height: 70px;
  bottom: 14%;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 50%;
  border: 2px solid rgba(255, 191, 0, 0.55);
  box-shadow:
    0 0 30px rgba(255, 191, 0, 0.35),
    0 0 60px rgba(255, 191, 0, 0.15),
    inset 0 0 20px rgba(255, 191, 0, 0.15);
  z-index: 0;
}

.hero__glow {
  position: absolute;
  width: 75%;
  height: 40%;
  bottom: 10%;
  left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(255, 191, 0, 0.5) 0%, rgba(255, 191, 0, 0.12) 40%, transparent 70%);
  filter: blur(28px);
  opacity: 0.8;
  z-index: 0;
}

.hero__product {
  position: relative;
  z-index: 1;
  width: min(100%, 500px);
  will-change: transform;
  transform-style: preserve-3d;
}

.hero__img {
  width: 100%;
  filter:
    drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3))
    drop-shadow(0 28px 50px rgba(0, 0, 0, 0.55));
  transition: transform 0.65s var(--ease-out), filter 0.65s var(--ease);
}

.hero__product:hover .hero__img {
  transform: scale(1.04) translateY(-8px);
  filter:
    drop-shadow(0 8px 16px rgba(0, 0, 0, 0.35))
    drop-shadow(0 36px 60px rgba(0, 0, 0, 0.55))
    drop-shadow(0 0 40px rgba(255, 191, 0, 0.2));
}

.hero__reflection {
  position: absolute;
  left: 12%;
  right: 12%;
  bottom: -8%;
  height: 18%;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.1), transparent);
  filter: blur(8px);
  opacity: 0.4;
  transform: scaleY(-1);
  pointer-events: none;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.45), transparent);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.45), transparent);
}

/* ---------- Feature Strip ---------- */
.feature-strip {
  background: #000;
  border-block: 1px solid var(--border);
  padding: 32px 0;
}

.feature-strip__inner {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
}

.feature-strip__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
  padding: 12px 16px;
  position: relative;
  transition: transform 0.3s var(--ease-out);
}

.feature-strip__item:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 18%;
  bottom: 18%;
  width: 1px;
  background: var(--border);
}

.feature-strip__item:hover {
  transform: translateY(-3px);
}

.feature-strip__icon {
  width: 34px;
  height: 34px;
  color: var(--accent);
}

.feature-strip__text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.feature-strip__text strong {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}

.feature-strip__text span {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 400;
}

/* ---------- Products ---------- */
.products {
  padding: 120px 0 100px;
}

.products__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}

.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.055) 0%, transparent 42%),
    rgba(18, 18, 18, 0.75);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px 26px;
  overflow: hidden;
  backdrop-filter: blur(20px) saturate(1.3);
  -webkit-backdrop-filter: blur(20px) saturate(1.3);
  box-shadow: var(--shadow-soft);
  transition:
    transform 0.5s var(--ease-out),
    border-color 0.5s var(--ease),
    box-shadow 0.5s var(--ease);
  transform-style: preserve-3d;
}

.product-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.28), transparent);
  z-index: 2;
  pointer-events: none;
}

.product-card:hover {
  transform: translateY(-12px);
  border-color: rgba(255, 191, 0, 0.22);
  box-shadow: var(--shadow-lift);
}

.product-card--featured {
  border-color: rgba(255, 191, 0, 0.2);
}

.product-card__glow {
  position: absolute;
  width: 80%;
  height: 130px;
  left: 10%;
  top: 30%;
  background: radial-gradient(ellipse, var(--accent-soft), transparent 70%);
  filter: blur(24px);
  opacity: 0.3;
  transition: opacity 0.5s var(--ease);
  pointer-events: none;
}

.product-card:hover .product-card__glow {
  opacity: 0.9;
}

.product-card__media {
  position: relative;
  height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
}

.product-card__img {
  max-height: 230px;
  width: auto;
  max-width: 88%;
  object-fit: contain;
  filter: drop-shadow(0 16px 28px rgba(0, 0, 0, 0.5));
  transition: transform 0.6s var(--ease-out);
}

.product-card:hover .product-card__img {
  transform: scale(1.08) translateY(-4px);
}

.product-card__reflection {
  position: absolute;
  left: 20%;
  right: 20%;
  bottom: 2px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.07), transparent);
  filter: blur(6px);
  opacity: 0.45;
  pointer-events: none;
  transform: scaleY(-1);
}

.product-card__body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
  position: relative;
  z-index: 1;
}

.product-card__heading {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.product-card__title {
  font-size: var(--fs-h3);
  font-weight: 700;
  letter-spacing: -0.025em;
}

.product-card__tag {
  display: inline-flex;
  align-items: center;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #000;
  background: var(--accent);
  padding: 4px 9px;
  border-radius: var(--radius-pill);
}

.product-card__desc {
  color: var(--text-secondary);
  font-size: var(--fs-small);
  line-height: 1.55;
}

.product-card__features {
  display: grid;
  gap: 9px;
  margin: 4px 0 6px;
}

.product-card__features li {
  position: relative;
  padding-left: 22px;
  font-size: 13px;
  color: var(--text-secondary);
}

.product-card__features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.4em;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-soft);
  box-shadow: inset 0 0 0 1.5px var(--accent);
}

.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.product-card__price {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

/* Sale + MRP pricing */
.price {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 10px;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.price__sale {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--accent);
}

.price__mrp {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: line-through;
  text-decoration-thickness: 1.5px;
  text-decoration-color: rgba(169, 169, 169, 0.85);
}

.price__off {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #0a0a0a;
  background: var(--accent);
  padding: 3px 8px;
  border-radius: 999px;
  align-self: center;
}

.price--detail .price__sale {
  font-size: 2rem;
}

.price--detail .price__mrp {
  font-size: 1.1rem;
}

.price--detail .price__off {
  font-size: 12px;
  padding: 4px 10px;
}

.product-detail__price {
  margin-bottom: 8px;
}

/* ---------- Trust bar ---------- */
.trust-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  background: rgba(18, 18, 18, 0.65);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.trust-bar__item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 28px 24px;
  position: relative;
  color: var(--accent);
}

.trust-bar__item:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 22%;
  bottom: 22%;
  width: 1px;
  background: var(--border);
}

.trust-bar__item div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.trust-bar__item strong {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
}

.trust-bar__item span {
  font-size: 12.5px;
  color: var(--text-secondary);
  font-weight: 400;
}

/* ---------- Features ---------- */
.features {
  padding: 100px 0;
  background: linear-gradient(180deg, transparent, rgba(10, 10, 10, 0.8), transparent);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.feature-block {
  padding: 32px 26px;
  background: rgba(18, 18, 18, 0.7);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color 0.4s var(--ease), transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease);
}

.feature-block:hover {
  border-color: rgba(255, 191, 0, 0.22);
  transform: translateY(-5px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}

.feature-block__num {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 20px;
}

.feature-block__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.feature-block__text {
  color: var(--text-secondary);
  font-size: var(--fs-small);
  line-height: 1.6;
}

/* ---------- Compatibility ---------- */
.compatibility {
  padding: 120px 0;
}

.compatibility__inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}

.compatibility .section-title,
.compatibility .section-subtitle,
.compatibility .section-eyebrow {
  text-align: left;
}

.compatibility .section-subtitle {
  margin-bottom: 28px;
  max-width: 420px;
}

.compat-list {
  display: grid;
  gap: 14px;
  margin-bottom: 32px;
}

.compat-list li {
  position: relative;
  padding-left: 26px;
  color: var(--text-secondary);
  font-size: 15px;
}

.compat-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 8px;
  height: 8px;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
}

.compatibility__visual {
  display: flex;
  justify-content: center;
}

.compat-orb {
  position: relative;
  width: 320px;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.compat-orb__ring {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 191, 0, 0.15);
  border-radius: 50%;
}

.compat-orb__ring:nth-child(2) {
  inset: 18%;
  border-color: rgba(255, 191, 0, 0.25);
}

.compat-orb__core {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  width: 180px;
  height: 180px;
  justify-content: center;
  text-align: center;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.07), transparent 50%), rgba(18, 18, 18, 0.85);
  border: 1px solid var(--border);
  border-radius: 50%;
  backdrop-filter: blur(16px);
  box-shadow: 0 0 60px rgba(255, 191, 0, 0.15), 0 20px 40px rgba(0, 0, 0, 0.4);
}

.compat-orb__core span:nth-child(2) {
  color: var(--accent);
  font-size: 18px;
}

/* ---------- Why ---------- */
.why {
  padding: 100px 0 120px;
}

.why__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.why-card {
  padding: 40px 32px;
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.04), transparent 45%), rgba(18, 18, 18, 0.7);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: transform 0.45s var(--ease-out), border-color 0.45s var(--ease), box-shadow 0.45s var(--ease);
}

.why-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: 0 22px 48px rgba(0, 0, 0, 0.4);
}

.why-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.why-card p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.65;
}

/* ---------- Support ---------- */
.support {
  padding: 40px 0 120px;
}

.support__panel {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 56px 48px;
  background:
    radial-gradient(ellipse at 0% 50%, rgba(255, 191, 0, 0.1), transparent 50%),
    rgba(18, 18, 18, 0.8);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
}

.support .section-title,
.support .section-subtitle,
.support .section-eyebrow {
  text-align: left;
}

.support .section-subtitle {
  margin-bottom: 28px;
}

.support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.support__meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.support__stat {
  text-align: center;
  padding: 24px 12px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: transform 0.3s var(--ease-out), border-color 0.3s var(--ease);
}

.support__stat:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 191, 0, 0.25);
}

.support__stat-value {
  display: block;
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 6px;
  letter-spacing: -0.03em;
}

.support__stat-label {
  font-size: 11px;
  color: var(--text-secondary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 36px 0;
  background: #000;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer__copy {
  color: var(--text-muted);
  font-size: 13px;
}

.footer__nav {
  display: flex;
  gap: 24px;
}

.footer__nav a {
  font-size: 13px;
  color: var(--text-secondary);
  transition: color 0.25s var(--ease);
}

.footer__nav a:hover,
.footer__nav a:focus-visible {
  color: var(--accent);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

::selection {
  background: var(--accent);
  color: #000;
}

/* ---------- Floating WhatsApp ---------- */
.whatsapp-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 1100;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  box-shadow:
    0 4px 14px rgba(37, 211, 102, 0.4),
    0 8px 28px rgba(0, 0, 0, 0.35);
  transition:
    transform var(--duration-fast) var(--ease-out),
    box-shadow var(--duration) var(--ease),
    filter var(--duration-fast) var(--ease);
}

.whatsapp-float:hover,
.whatsapp-float:focus-visible {
  transform: scale(1.08) translateY(-2px);
  filter: brightness(1.05);
  box-shadow:
    0 6px 20px rgba(37, 211, 102, 0.5),
    0 12px 36px rgba(0, 0, 0, 0.4);
  color: #fff;
}

.whatsapp-float:active {
  transform: scale(0.96);
}

.whatsapp-float__icon {
  display: block;
  flex-shrink: 0;
}

.whatsapp-float__tooltip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  white-space: nowrap;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
  background: rgba(18, 18, 18, 0.95);
  border: 1px solid var(--border);
  padding: 8px 12px;
  border-radius: 10px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.25s var(--ease),
    visibility 0.25s var(--ease),
    transform 0.25s var(--ease-out);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.whatsapp-float:hover .whatsapp-float__tooltip,
.whatsapp-float:focus-visible .whatsapp-float__tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(0);
}

@keyframes waPulse {
  0%,
  100% {
    box-shadow:
      0 4px 14px rgba(37, 211, 102, 0.4),
      0 8px 28px rgba(0, 0, 0, 0.35),
      0 0 0 0 rgba(37, 211, 102, 0.35);
  }
  50% {
    box-shadow:
      0 4px 14px rgba(37, 211, 102, 0.45),
      0 8px 28px rgba(0, 0, 0, 0.35),
      0 0 0 12px rgba(37, 211, 102, 0);
  }
}

.whatsapp-float {
  animation: waPulse 2.8s ease-out infinite;
}

.whatsapp-float:hover {
  animation-play-state: paused;
}

/* ---------- Multi-page: page hero ---------- */
.page-hero {
  position: relative;
  padding: 72px 0 48px;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(ellipse 60% 80% at 50% 0%, rgba(255, 191, 0, 0.07), transparent 60%),
    transparent;
}

.page-hero__inner {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
}

.page-hero__title {
  font-size: var(--fs-h2);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: var(--lh-tight);
  margin-bottom: 14px;
}

.page-hero__desc {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
  max-width: 480px;
  margin-inline: auto;
}

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

.home-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 48px;
}

.products--home {
  padding-bottom: 100px;
}

.products--home .products__grid {
  margin-bottom: 0;
}

.page-cta-band {
  padding: 0 0 100px;
}

.support__title {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  margin-bottom: 12px;
}

/* Support form */
.support-form {
  display: grid;
  gap: 16px;
  margin-top: 28px;
  max-width: 440px;
}

.support-form__row {
  display: grid;
  gap: 8px;
}

.support-form__label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.support-form__input {
  width: 100%;
  padding: 13px 16px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.support-form__input::placeholder {
  color: var(--text-muted);
}

.support-form__input:focus {
  outline: none;
  border-color: rgba(255, 191, 0, 0.45);
  box-shadow: 0 0 0 3px rgba(255, 191, 0, 0.12);
}

.support-form__textarea {
  resize: vertical;
  min-height: 110px;
}

.support-form__hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: -2px;
}

.support-form__error {
  font-size: 12.5px;
  color: #ff6b6b;
  font-weight: 500;
}

.support-form__input.is-invalid {
  border-color: rgba(255, 107, 107, 0.65);
  box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.12);
}

.support-form__status {
  font-size: 14px;
  font-weight: 500;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.support-form__status.is-success {
  color: #7dffa0;
  background: rgba(37, 211, 102, 0.08);
  border-color: rgba(37, 211, 102, 0.28);
}

.support-form__status.is-error {
  color: #ff8f8f;
  background: rgba(255, 107, 107, 0.08);
  border-color: rgba(255, 107, 107, 0.28);
}

.support-form__status[hidden],
.support-form__error[hidden] {
  display: none;
}

.btn.is-loading {
  opacity: 0.7;
  pointer-events: none;
}

.support-form select.support-form__input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1.5 6 6.5 11 1.5' stroke='%23a8a8a8' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

body[data-page="why"] .why__grid {
  grid-template-columns: repeat(3, 1fr);
}

body[data-page="products"] .products {
  padding-top: 64px;
}

body[data-page="support"] .support {
  padding-top: 48px;
}

body[data-page="features"] .features {
  padding-top: 64px;
}

body[data-page="compatibility"] .compatibility {
  padding-top: 64px;
  padding-bottom: 64px;
}

body[data-page="why"] .why {
  padding-top: 64px;
}

/* ---------- Product detail pages ---------- */
.product-detail {
  padding: 48px 0 40px;
}

.product-detail__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.product-detail__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 420px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.product-detail__glow {
  position: absolute;
  width: 70%;
  height: 40%;
  bottom: 12%;
  left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(ellipse, var(--accent-glow), transparent 70%);
  filter: blur(28px);
  opacity: 0.55;
}

.product-detail__img {
  position: relative;
  z-index: 1;
  width: min(100%, 480px);
  filter: drop-shadow(0 24px 48px rgba(0, 0, 0, 0.45));
}

.product-detail__heading {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.product-detail__name {
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.product-detail__short {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 20px;
  max-width: 40ch;
}

.product-detail__meta {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.product-detail__highlights {
  display: grid;
  gap: 10px;
  margin-bottom: 28px;
}

.product-detail__highlights li {
  position: relative;
  padding-left: 22px;
  color: var(--text-secondary);
  font-size: 14.5px;
}

.product-detail__highlights li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
}

.product-detail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.product-specs {
  padding: 64px 0 100px;
}

.product-specs__layout {
  display: grid;
  gap: 24px;
}

.product-specs__block {
  background: rgba(18, 18, 18, 0.7);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
}

.product-specs__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}

.product-specs__list {
  display: grid;
  gap: 10px;
}

.product-specs__list li {
  position: relative;
  padding-left: 18px;
  color: var(--text-secondary);
  font-size: 14.5px;
  line-height: 1.55;
}

.product-specs__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
}

.spec-table th,
.spec-table td {
  padding: 12px 10px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  vertical-align: top;
}

.spec-table th {
  width: 38%;
  color: var(--text-muted);
  font-weight: 600;
}

.spec-table td {
  color: var(--text-secondary);
}

.spec-table tr:last-child th,
.spec-table tr:last-child td {
  border-bottom: none;
}

@media (max-width: 992px) {
  .product-detail__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .product-detail__visual {
    min-height: 320px;
  }
}

@media (max-width: 576px) {
  .product-detail__actions {
    flex-direction: column;
  }

  .product-detail__actions .btn {
    width: 100%;
  }

  .product-detail__price .price__sale {
    font-size: 1.65rem;
  }
}