/* ===================================================================
   AUREON ONE — style.css
   Premium product landing page
   Structure:
     1.  Design tokens
     2.  Reset & base
     3.  Utilities (container, eyebrow, buttons, ripple)
     4.  Global chrome (grain, cursor, progress bar)
     5.  Loader
     6.  Navigation + mobile menu
     7.  Hero
     8.  Marquee
     9.  Showcase
     10. Features (split + cinematic)
     11. Stack (pinned panels)
     12. Gallery / Details
     13. Specifications
     14. Performance
     15. Testimonials
     16. FAQ
     17. Reserve CTA
     18. Footer
     19. Responsive
     20. Reduced motion / a11y
   =================================================================== */

/* ===================================================================
   1. DESIGN TOKENS
   =================================================================== */
:root {
  /* Color */
  --bg: #000000;
  --bg-raised: #0a0a0b;
  --bg-soft: #111113;
  --text: #ffffff;
  --muted: #9a9a9a;
  --faint: #555557;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);

  /* Surfaces */
  --glass: rgba(255, 255, 255, 0.03);
  --glass-strong: rgba(255, 255, 255, 0.06);
  --radius: 22px;
  --radius-lg: 32px;
  --radius-pill: 999px;

  /* Type */
  --font-display: "Inter Tight", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.65, 0, 0.35, 1);
  --dur: 0.7s;

  /* Layout */
  --nav-h: 76px;
  --container: 1480px;
  --pad: clamp(20px, 4.5vw, 64px);
  --section-pad: clamp(96px, 16vh, 180px);
}

/* ===================================================================
   2. RESET & BASE
   =================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: auto; /* Lenis owns scrolling */
  -webkit-text-size-adjust: 100%;
}

html,
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.6;
  overflow-x: clip;
}

body {
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img,
svg,
video,
canvas {
  display: block;
  max-width: 100%;
}

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

ul {
  list-style: none;
}

::selection {
  background: rgba(255, 255, 255, 0.9);
  color: #000;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 9px;
}
::-webkit-scrollbar-track {
  background: #000;
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.14);
  border-radius: 99px;
  border: 2px solid #000;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.28);
}

:focus-visible {
  outline: 1px solid rgba(255, 255, 255, 0.55);
  outline-offset: 4px;
  border-radius: 4px;
}

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

/* ===================================================================
   3. UTILITIES
   =================================================================== */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--pad);
}
.container-half {
  padding-inline: var(--pad);
}

/* Section scaffolding */
section {
  position: relative;
}

/* Eyebrow label */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--muted);
}
.eyebrow__line {
  width: 34px;
  height: 1px;
  background: linear-gradient(90deg, #fff, transparent);
}

/* Headline helper */
.split .line,
h1 .line,
h2 .line,
h3 .line {
  display: block;
  overflow: hidden;
  padding-bottom: 0.12em;
  margin-bottom: -0.12em;
}

/* Row-mask reveal: wraps each headline row in an overflow mask so the
   row (including outlined / <em> styling) can slide up intact. */
.row-mask {
  display: block;
  overflow: hidden;
  padding-bottom: 0.16em;
  margin-bottom: -0.16em;
}
.row-mask > * {
  display: block;
}

/* -------- Buttons -------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 18px 34px;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden; /* clips the ripple */
  transition: background 0.45s var(--ease-out),
    border-color 0.45s var(--ease-out), box-shadow 0.45s var(--ease-out), color 0.45s var(--ease-out);
  will-change: transform;
}
.btn--sm {
  padding: 12px 24px;
  font-size: 12.5px;
}
.btn--lg {
  padding: 22px 46px;
  font-size: 15px;
}
.btn--solid {
  background: var(--text);
  color: #000;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08), 0 8px 30px -8px rgba(255, 255, 255, 0.35);
}
.btn--solid:hover {
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.2), 0 14px 44px -8px rgba(255, 255, 255, 0.5);
}
.btn--ghost {
  border: 1px solid var(--line-strong);
  color: var(--text);
  background: transparent;
}
.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.34);
}

/* Ripple click effect */
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.28);
  transform: scale(0);
  animation: ripple 0.7s var(--ease-out) forwards;
  pointer-events: none;
}
@keyframes ripple {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* ===================================================================
   4. GLOBAL CHROME
   =================================================================== */

/* Film grain */
.grain {
  position: fixed;
  inset: -100px;
  z-index: 2000;
  pointer-events: none;
  opacity: 0.055;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 1.2s steps(6) infinite;
}
@keyframes grain {
  0%, 100% { transform: translate(0, 0); }
  20% { transform: translate(-2%, 1%); }
  40% { transform: translate(1%, -2%); }
  60% { transform: translate(-1%, 2%); }
  80% { transform: translate(2%, -1%); }
}

/* Scroll progress bar */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 1500;
  background: transparent;
}
.scroll-progress span {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.2), #fff, rgba(255, 255, 255, 0.2));
  transform-origin: left;
  transform: scaleX(0);
}

/* Custom cursor (fine-pointer devices only) */
@media (hover: hover) and (pointer: fine) {
  html.has-cursor,
  html.has-cursor a,
  html.has-cursor button {
    cursor: none;
  }
}
.cursor {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 2500;
  pointer-events: none;
  display: none;
}
.cursor.is-on {
  display: block;
}
.cursor__dot {
  position: fixed;
  width: 6px;
  height: 6px;
  margin: -3px 0 0 -3px;
  border-radius: 50%;
  background: #fff;
  mix-blend-mode: difference;
}
.cursor__ring {
  position: fixed;
  width: 38px;
  height: 38px;
  margin: -19px 0 0 -19px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.35);
  transition: width 0.4s var(--ease-out), height 0.4s var(--ease-out),
    margin 0.4s var(--ease-out), border-color 0.4s var(--ease-out), background 0.4s var(--ease-out);
}
.cursor.is-hover .cursor__ring {
  width: 64px;
  height: 64px;
  margin: -32px 0 0 -32px;
  border-color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.06);
}
.cursor.is-down .cursor__ring {
  width: 28px;
  height: 28px;
  margin: -14px 0 0 -14px;
}

/* ===================================================================
   5. LOADER
   =================================================================== */
.loader {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 34px;
  background: var(--bg);
  transition: visibility 0s 1.2s; /* hides only after the exit slide completes */
}
.loader.is-done {
  visibility: hidden;
}
.loader__brand {
  display: flex;
  font-family: var(--font-display);
  font-size: clamp(28px, 6vw, 46px);
  font-weight: 300;
  letter-spacing: 0.32em;
  text-indent: 0.32em; /* optically centers the letterspacing */
}
.loader__letter {
  display: inline-block;
  opacity: 0;
  transform: translateY(30px);
}
.loader__bar {
  width: min(220px, 50vw);
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
}
.loader__bar span {
  display: block;
  height: 100%;
  width: 100%;
  background: #fff;
  transform-origin: left;
  transform: scaleX(0);
}
.loader__meta {
  position: absolute;
  bottom: 40px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  padding-inline: var(--pad);
  font-size: 10.5px;
  font-weight: 400;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--faint);
}
.loader__count {
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--text);
}

/* ===================================================================
   6. NAVIGATION
   =================================================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: background 0.5s var(--ease-out), border-color 0.5s var(--ease-out),
    backdrop-filter 0.5s var(--ease-out), transform 0.5s var(--ease-out);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(0, 0, 0, 0.55);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border-bottom-color: var(--line);
}
.nav.is-hidden {
  transform: translateY(-100%);
}
.nav__inner {
  height: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav__logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.26em;
  text-indent: 0.26em;
}
.nav__logo-mark {
  width: 20px;
  height: 20px;
}
.nav__word {
  line-height: 1;
}

.nav__links {
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav__link {
  position: relative;
  z-index: 1;
  padding: 9px 16px;
  font-size: 12.5px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--muted);
  border-radius: var(--radius-pill);
  transition: color 0.35s var(--ease-out);
}
.nav__link:hover {
  color: var(--text);
}
.nav__link.is-active {
  color: var(--text);
}
/* The floating pill that slides between links */
.nav__indicator {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--line);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
}

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

/* Hamburger */
.nav__burger {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line);
  align-items: center;
  justify-content: center;
  transition: border-color 0.3s var(--ease-out), background 0.3s var(--ease-out);
}
.nav__burger:hover {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.05);
}
.nav__burger span {
  position: absolute;
  width: 18px;
  height: 1.5px;
  background: #fff;
  transition: transform 0.4s var(--ease-smooth), opacity 0.3s;
}
.nav__burger span:nth-child(1) {
  transform: translateY(-3.5px);
}
.nav__burger span:nth-child(2) {
  transform: translateY(3.5px);
}
.nav__burger.is-open span:nth-child(1) {
  transform: rotate(45deg);
}
.nav__burger.is-open span:nth-child(2) {
  transform: rotate(-45deg);
}

/* Mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 900;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: calc(var(--nav-h) + 30px) var(--pad) 48px;
  background: rgba(0, 0, 0, 0.92);
  -webkit-backdrop-filter: blur(28px);
  backdrop-filter: blur(28px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.5s var(--ease-out), visibility 0s linear 0.5s;
}
.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition: opacity 0.5s var(--ease-out), visibility 0s;
}
.mobile-menu__link {
  display: block;
  padding: 14px 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 9vw, 54px);
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--muted);
  transition: color 0.3s var(--ease-out), transform 0.5s var(--ease-out);
}
.mobile-menu__link:hover {
  color: var(--text);
}

/* ===================================================================
   7. HERO
   =================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  perspective: 1400px; /* gives the light blade its 3D tilt */
}
.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero__aurora {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 45% at 70% 20%, rgba(255, 255, 255, 0.09), transparent 70%),
    radial-gradient(50% 40% at 20% 80%, rgba(255, 255, 255, 0.06), transparent 70%);
  animation: aurora 18s ease-in-out infinite alternate;
}
@keyframes aurora {
  0%   { transform: translate3d(-2%, -1%, 0) scale(1); opacity: 0.8; }
  100% { transform: translate3d(2%, 2%, 0) scale(1.12); opacity: 1; }
}
.hero__glow {
  position: absolute;
  bottom: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 120%;
  height: 70%;
  background: radial-gradient(50% 50% at 50% 50%, rgba(255, 255, 255, 0.12), transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: clamp(80px, 10vw, 140px) clamp(80px, 10vw, 140px);
  -webkit-mask-image: radial-gradient(75% 70% at 50% 45%, #000 30%, transparent 100%);
  mask-image: radial-gradient(75% 70% at 50% 45%, #000 30%, transparent 100%);
}
.hero__horizon {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
}

.hero__content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--pad);
  padding-top: calc(var(--nav-h) + 6vh);
  padding-bottom: 34vh;
}
.hero__eyebrow {
  margin-bottom: 30px;
}
.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3.4rem, 11vw, 10.5rem);
  font-weight: 500;
  line-height: 0.96;
  letter-spacing: -0.035em;
  text-transform: uppercase;
}
.hero__title-row {
  display: block;
}
.hero__title-row--outline {
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.85);
}
.hero__sub {
  max-width: 460px;
  margin-top: 34px;
  font-size: clamp(15px, 1.5vw, 17px);
  font-weight: 300;
  line-height: 1.75;
  color: var(--muted);
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 42px;
}

/* Signature light blade */
.hero-product {
  position: absolute;
  left: 50%;
  bottom: 6vh;
  transform: translateX(-50%);
  width: min(76vw, 920px);
  z-index: 2;
  perspective: 1200px;
  transform-style: preserve-3d;
}
.hero-product__track {
  position: absolute;
  top: 50%;
  left: -4%;
  right: -4%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
}
.hero-product__blade {
  position: relative;
  height: clamp(34px, 5vw, 58px);
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, #ffffff, #c9c9c9);
  box-shadow: 0 0 60px rgba(255, 255, 255, 0.45), 0 0 140px rgba(255, 255, 255, 0.22),
    inset 0 0 30px rgba(255, 255, 255, 0.6);
}
.hero-product__blade::after {
  content: "";
  position: absolute;
  inset: 8px 14%;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, transparent 5%, rgba(0, 0, 0, 0.55) 50%, transparent 95%);
}
.hero-product__reflect {
  position: absolute;
  top: 100%;
  left: 8%;
  right: 8%;
  height: clamp(10px, 1.6vw, 20px);
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.16), transparent);
  filter: blur(8px);
  transform: rotateX(180deg);
}
.hero-product__chip {
  position: absolute;
  top: 50%;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.4);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  transform: translateY(-50%);
}
.hero-product__chip strong {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.01em;
}
.hero-product__chip span {
  font-size: 9.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}
.hero-product__chip--left { left: 0; }
.hero-product__chip--right { right: 0; }

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 30px;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.hero__scroll-label {
  font-size: 9.5px;
  font-weight: 400;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--faint);
}
.hero__scroll-line {
  position: relative;
  width: 1px;
  height: 52px;
  background: rgba(255, 255, 255, 0.14);
  overflow: hidden;
}
.hero__scroll-line::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 40%;
  background: #fff;
  animation: scrollline 2s var(--ease-smooth) infinite;
}
@keyframes scrollline {
  0%   { transform: translateY(-100%); }
  60%  { transform: translateY(250%); }
  100% { transform: translateY(250%); }
}

/* ===================================================================
   8. MARQUEE
   =================================================================== */
.marquee {
  overflow: hidden;
  padding: clamp(24px, 5vh, 60px) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee 36s linear infinite;
}
.marquee:hover .marquee__track {
  animation-play-state: paused;
}
.marquee__group {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.marquee__group span {
  font-family: var(--font-display);
  font-size: clamp(3rem, 9vw, 8rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.32);
  padding-inline: 0.35em;
}
.marquee__star {
  font-size: clamp(1rem, 2.4vw, 2rem);
  font-style: normal;
  color: rgba(255, 255, 255, 0.8);
  padding-inline: 0.6em;
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ===================================================================
   9. SHOWCASE
   =================================================================== */
.showcase {
  padding: var(--section-pad) 0;
}
.showcase__head-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: clamp(28px, 5vh, 60px);
}
.showcase__index {
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--faint);
}
.showcase__title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6.5vw, 5.8rem);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.03em;
}
.showcase__title-row {
  display: block;
}
.showcase__title-row--muted {
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.7);
}

.showcase__item {
  margin-top: clamp(60px, 10vh, 130px);
}
.showcase__figure {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(160deg, #19191c, #060607);
  aspect-ratio: 21 / 11;
  transform: translateZ(0);
}
.showcase__figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.14);
  will-change: transform;
  filter: saturate(0.9) contrast(1.06);
}
.showcase__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(90% 70% at 50% 50%, transparent 40%, rgba(0, 0, 0, 0.55) 100%);
  pointer-events: none;
}
.showcase__caption {
  display: flex;
  align-items: baseline;
  gap: 26px;
  margin-top: 26px;
}
.showcase__num {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 300;
  color: var(--faint);
  letter-spacing: 0.1em;
}
.showcase__caption h3 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.6vw, 2.4rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}
.showcase__caption p {
  max-width: 520px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ===================================================================
   10. FEATURES
   =================================================================== */
.features {
  padding-top: calc(var(--section-pad) / 2);
}

.feature--split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(30px, 5vw, 80px);
  min-height: 100vh;
  padding-block: clamp(60px, 9vh, 120px);
}
.feature--reverse .feature__media { order: 2; }
.feature--reverse .feature__copy  { order: 1; }

.feature__frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: linear-gradient(160deg, #18181b, #060607);
  transform: translateZ(0);
}
.feature__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.16);
  will-change: transform;
  filter: saturate(0.9) contrast(1.05);
}
.feature__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(80% 80% at 50% 40%, transparent 45%, rgba(0, 0, 0, 0.45) 100%);
  pointer-events: none;
}

.feature__title {
  margin: 22px 0 24px;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.4vw, 4.6rem);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.03em;
}
.feature__title span {
  display: block;
}
.feature__text {
  max-width: 470px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}
.feature__facts {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.feature__facts li {
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--muted);
  background: var(--glass);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transition: border-color 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}
.feature__facts li:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}
.feature__facts strong {
  font-weight: 500;
  color: var(--text);
}

/* Cinematic full-bleed feature */
.feature--cinematic {
  position: relative;
  min-height: 110vh;
  display: flex;
  align-items: flex-end;
  margin-top: var(--section-pad);
  overflow: hidden;
}
.feature__cinematic-frame {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background: #060607;
}
.feature__cinematic-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.12);
  filter: saturate(0.85) contrast(1.05) brightness(0.8);
}
.feature__cinematic-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.5), transparent 30%, transparent 55%, rgba(0, 0, 0, 0.9) 100%);
}
.feature__cinematic-copy {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding: var(--pad);
  padding-bottom: clamp(48px, 9vh, 110px);
}
.feature__cinematic-title {
  margin: 18px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 6vw, 5.2rem);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.03em;
}
.feature__cinematic-title span {
  display: block;
}
.feature__cinematic-text {
  max-width: 480px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ===================================================================
   11. STACK — pinned panels
   =================================================================== */
.stack {
  position: relative;
  height: 340vh;
}
.stack__stage {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
}
.stack__panel {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(30px, 5vw, 70px);
  padding-inline: var(--pad);
  background: var(--bg);
  will-change: transform;
  backface-visibility: hidden;
}
.stack__visual {
  max-width: 560px;
  justify-self: end;
}
.stack__eyebrow {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
}
.stack__title {
  margin: 20px 0 22px;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.6vw, 4rem);
  font-weight: 400;
  line-height: 1.04;
  letter-spacing: -0.03em;
}
.stack__title em {
  font-style: normal;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.7);
}
.stack__text {
  max-width: 460px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

.stack__media {
  position: relative;
  height: clamp(340px, 62vh, 620px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  overflow: hidden;
  background:
    radial-gradient(60% 50% at 50% 60%, rgba(255, 255, 255, 0.06), transparent 70%),
    linear-gradient(160deg, #141417, #050506);
}
.stack__big {
  position: absolute;
  left: 50%;
  bottom: 8%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.stack__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  animation: stackpulse 9s ease-in-out infinite alternate;
}
.stack__glow--battery { width: 55%; height: 55%; left: 22%; top: 8%; background: radial-gradient(circle, rgba(255, 255, 255, 0.28), transparent 70%); }
.stack__glow--aero    { width: 60%; height: 60%; right: 5%; top: 12%; background: radial-gradient(circle, rgba(255, 255, 255, 0.22), transparent 70%); animation-delay: -3s; }
.stack__glow--cabin   { width: 55%; height: 55%; left: 15%; bottom: 5%; background: radial-gradient(circle, rgba(255, 255, 255, 0.24), transparent 70%); animation-delay: -6s; }
@keyframes stackpulse {
  from { transform: scale(0.9); opacity: 0.6; }
  to   { transform: scale(1.15); opacity: 1; }
}

/* Battery cell graphic */
.stack__battery {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -58%);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  width: min(70%, 380px);
}
.stack__battery-cell {
  aspect-ratio: 1;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.03));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2);
  animation: cellpulse 4s ease-in-out infinite;
}
.stack__battery-cell:nth-child(2n) { animation-delay: 0.8s; }
.stack__battery-cell:nth-child(3n) { animation-delay: 1.6s; }
@keyframes cellpulse {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}

/* Wind lines graphic */
.stack__windlines {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
}
.stack__windlines i {
  display: block;
  height: 1px;
  margin: 16px 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
  animation: wind 5s linear infinite;
  transform-origin: right;
}
.stack__windlines i:nth-child(2) { animation-duration: 6s; animation-delay: 1s; }
.stack__windlines i:nth-child(3) { animation-duration: 7s; animation-delay: 2s; }
.stack__windlines i:nth-child(4) { animation-duration: 8s; animation-delay: 3s; }
@keyframes wind {
  from { transform: scaleX(0.2); opacity: 0; }
  30%  { opacity: 1; }
  to   { transform: scaleX(1); opacity: 0; }
}

/* Sound rings graphic */
.stack__rings {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.stack__rings i {
  position: absolute;
  left: 50%;
  top: 50%;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: ring 5s ease-out infinite;
}
.stack__rings i:nth-child(1) { width: 120px; height: 120px; }
.stack__rings i:nth-child(2) { width: 220px; height: 220px; animation-delay: 1.4s; }
.stack__rings i:nth-child(3) { width: 320px; height: 320px; animation-delay: 2.8s; }
@keyframes ring {
  0%   { transform: translate(-50%, -50%) scale(0.4); opacity: 0; }
  25%  { opacity: 0.9; }
  100% { transform: translate(-50%, -50%) scale(1.05); opacity: 0; }
}

/* ===================================================================
   12. GALLERY / DETAILS
   =================================================================== */
.gallery {
  padding: var(--section-pad) 0;
}
.gallery__title {
  margin-top: 22px;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6.5vw, 5.8rem);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.03em;
}
.gallery__title span {
  display: block;
}
.gallery__title-muted {
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.7);
}

.gallery__grid {
  margin-top: clamp(48px, 8vh, 90px);
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: clamp(16px, 2vw, 26px);
}
.gallery__card {
  position: relative;
  grid-column: span 2;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  overflow: hidden;
  background: #080809;
  transform: translateZ(0);
  transition: border-color 0.5s var(--ease-out);
}
.gallery__card:hover {
  border-color: var(--line-strong);
}
.gallery__card--tall { grid-column: span 2; grid-row: span 2; }
.gallery__card--wide { grid-column: span 3; }

.gallery__media {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 260px;
  overflow: hidden;
}
.gallery__card--tall .gallery__media { min-height: 540px; }
.gallery__card--wide .gallery__media { min-height: 320px; }
.gallery__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.001);
  transition: transform 1.1s var(--ease-out), filter 1.1s var(--ease-out);
  filter: saturate(0.85) contrast(1.05);
}
.gallery__card:hover .gallery__media img {
  transform: scale(1.07);
}
/* Mouse-follow glow */
.gallery__card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(300px circle at var(--mx, 50%) var(--my, 50%), rgba(255, 255, 255, 0.14), transparent 65%);
  opacity: 0;
  transition: opacity 0.5s var(--ease-out);
  pointer-events: none;
}
.gallery__card:hover::after {
  opacity: 1;
}
.gallery__card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, transparent 55%, rgba(0, 0, 0, 0.85) 100%);
  pointer-events: none;
}
.gallery__caption {
  position: absolute;
  left: 22px;
  bottom: 20px;
  right: 22px;
  z-index: 2;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  transition: transform 0.5s var(--ease-out);
}
.gallery__card:hover .gallery__caption {
  transform: translateY(-4px);
}
.gallery__caption span {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.01em;
}
.gallery__caption em {
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ===================================================================
   13. SPECIFICATIONS
   =================================================================== */
.specs {
  padding: var(--section-pad) 0;
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.02) 50%, transparent);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.specs__title {
  margin-top: 22px;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6.5vw, 5.8rem);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.03em;
}
.specs__title span {
  display: block;
}
.specs__grid {
  margin-top: clamp(48px, 8vh, 90px);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.spec-card {
  background: var(--bg);
  padding: clamp(26px, 3.4vw, 46px);
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: background 0.5s var(--ease-out);
}
.spec-card:hover {
  background: var(--bg-raised);
}
.spec-card__icon {
  width: 26px;
  height: 26px;
  color: var(--muted);
  transition: color 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}
.spec-card:hover .spec-card__icon {
  color: var(--text);
  transform: translateY(-2px);
}
.spec-card__value {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4vw, 3.8rem);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1;
}
.spec-card__value i {
  font-style: normal;
  font-size: 0.42em;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--muted);
  margin-left: 6px;
}
.spec-card__label {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ===================================================================
   14. PERFORMANCE
   =================================================================== */
.performance {
  position: relative;
  padding: var(--section-pad) 0;
  overflow: hidden;
  background: #050506;
}
.performance__light {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.6;
  pointer-events: none;
  animation: perfglow 12s ease-in-out infinite alternate;
}
.performance__light--a {
  width: 60vw;
  height: 60vw;
  left: -20vw;
  top: -10vw;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.16), transparent 70%);
}
.performance__light--b {
  width: 50vw;
  height: 50vw;
  right: -15vw;
  bottom: -15vw;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.12), transparent 70%);
  animation-delay: -6s;
}
@keyframes perfglow {
  from { transform: translate(0, 0) scale(1); opacity: 0.5; }
  to   { transform: translate(4vw, 3vw) scale(1.2); opacity: 0.8; }
}
.performance__head { position: relative; }
.performance__title {
  margin-top: 22px;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6.5vw, 5.8rem);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.03em;
}
.performance__title span {
  display: block;
}

.performance__stats {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(20px, 3vw, 40px);
  margin-top: clamp(48px, 9vh, 110px);
  padding: clamp(30px, 4vw, 60px) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.performance__stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.performance__number {
  font-family: var(--font-display);
  font-size: clamp(3.4rem, 7.5vw, 8rem);
  font-weight: 200;
  letter-spacing: -0.04em;
  line-height: 0.9;
  background: linear-gradient(180deg, #fff 30%, rgba(255, 255, 255, 0.4));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.performance__unit {
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.performance__bars {
  position: relative;
  margin-top: clamp(40px, 7vh, 80px);
  display: flex;
  flex-direction: column;
  gap: 34px;
}
.bar__top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 12px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.bar__top strong {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
}
.bar__track {
  position: relative;
  height: 2px;
  background: rgba(255, 255, 255, 0.09);
  overflow: hidden;
}
.bar__track i {
  position: absolute;
  inset: 0;
  width: 0%;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.5), #fff);
  box-shadow: 0 0 18px rgba(255, 255, 255, 0.5);
  transform-origin: left;
}

/* ===================================================================
   15. TESTIMONIALS / VOICES
   =================================================================== */
.voices {
  padding: var(--section-pad) 0;
}
.voices__title {
  margin-top: 22px;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6.5vw, 5.8rem);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.03em;
}
.voices__title span {
  display: block;
}
.voices__title-muted {
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.7);
}

.voices__grid {
  margin-top: clamp(48px, 8vh, 90px);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(16px, 2vw, 26px);
}
.voice {
  position: relative;
  padding: clamp(28px, 3.4vw, 46px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  transition: border-color 0.5s var(--ease-out), transform 0.5s var(--ease-out), background 0.5s var(--ease-out);
}
.voice:hover {
  border-color: var(--line-strong);
  background: var(--glass-strong);
  transform: translateY(-4px);
}
.voice blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.8vw, 1.5rem);
  font-weight: 300;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: #e9e9e9;
}
.voice figcaption {
  margin-top: 26px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.voice figcaption strong {
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
}
.voice figcaption span {
  font-size: 12px;
  color: var(--muted);
}

/* ===================================================================
   16. FAQ
   =================================================================== */
.faq {
  padding: var(--section-pad) 0;
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.02) 50%, transparent);
  border-top: 1px solid var(--line);
}
.faq__title {
  margin-top: 22px;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6.5vw, 5.8rem);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.03em;
}
.faq__title span {
  display: block;
}
.faq__title-muted {
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.7);
}

.faq__list {
  margin-top: clamp(48px, 8vh, 90px);
  max-width: 900px;
}
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-item__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 26px 4px;
  text-align: left;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.9vw, 1.4rem);
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--text);
  transition: color 0.3s var(--ease-out);
}
.faq-item__q:hover {
  color: #c9c9c9;
}
.faq-item__icon {
  position: relative;
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}
.faq-item__icon span {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 20px;
  height: 1px;
  background: var(--muted);
  transform: translate(-50%, -50%);
  transition: transform 0.45s var(--ease-smooth), background 0.3s;
}
.faq-item__icon span:last-child {
  transform: translate(-50%, -50%) rotate(90deg);
}
.faq-item.is-open .faq-item__icon span:last-child {
  transform: translate(-50%, -50%) rotate(0deg);
}
.faq-item.is-open .faq-item__icon span:first-child {
  background: #fff;
}
.faq-item__a {
  height: 0;
  overflow: hidden;
}
.faq-item__a-inner {
  padding: 0 44px 30px 4px;
}
.faq-item__a-inner p {
  max-width: 640px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ===================================================================
   17. RESERVE / CTA
   =================================================================== */
.reserve {
  position: relative;
  padding: var(--section-pad) 0;
  overflow: hidden;
  text-align: center;
  border-bottom: 1px solid var(--line);
}
.reserve__glow {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 80vw;
  height: 60vw;
  background: radial-gradient(50% 50% at 50% 50%, rgba(255, 255, 255, 0.1), transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}
.reserve__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 26px;
}
.reserve__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 9vw, 8.5rem);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.035em;
  text-transform: uppercase;
}
.reserve__title span {
  display: block;
}
.reserve__title-outline {
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.8);
}
.reserve__sub {
  font-size: 15px;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.reserve__cta {
  margin-top: 18px;
}

/* ===================================================================
   18. FOOTER
   =================================================================== */
.footer {
  padding: clamp(70px, 12vh, 130px) 0 40px;
}
.footer__top {
  display: grid;
  grid-template-columns: 1.4fr 2fr 1.2fr;
  gap: clamp(30px, 4vw, 60px);
  padding-bottom: clamp(40px, 7vh, 70px);
  border-bottom: 1px solid var(--line);
}
.footer__tag {
  margin-top: 22px;
  max-width: 260px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}
.footer__cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.footer__col h4,
.footer__news h4 {
  margin-bottom: 18px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--faint);
}
.footer__col a {
  display: block;
  padding: 7px 0;
  font-size: 14px;
  color: var(--muted);
  transition: color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}
.footer__col a:hover {
  color: var(--text);
  transform: translateX(4px);
}
.footer__news p {
  margin-top: 12px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--muted);
}
.footer__form {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}
.footer__form input {
  flex: 1;
  min-width: 0;
  padding: 13px 16px;
  font: inherit;
  font-size: 13.5px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  outline: none;
  transition: border-color 0.35s var(--ease-out), background 0.35s var(--ease-out);
}
.footer__form input::placeholder {
  color: var(--faint);
}
.footer__form input:focus {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.07);
}
.footer__form-msg {
  font-size: 12.5px;
  color: #cfcfcf;
}
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
  padding-top: 34px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--faint);
}
.footer__socials {
  display: flex;
  gap: 12px;
}
.footer__socials a {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--muted);
  transition: color 0.4s var(--ease-out), border-color 0.4s var(--ease-out),
    transform 0.4s var(--ease-out), background 0.4s var(--ease-out);
}
.footer__socials a:hover {
  color: #000;
  background: #fff;
  border-color: #fff;
  transform: translateY(-3px);
}
.footer__socials svg {
  width: 16px;
  height: 16px;
}

/* ===================================================================
   19. RESPONSIVE
   =================================================================== */

/* Small laptops */
@media (max-width: 1100px) {
  .performance__stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .gallery__card--wide { grid-column: span 6; }
  .gallery__card { grid-column: span 3; }
  .gallery__card--tall { grid-column: span 3; grid-row: span 1; }
  .gallery__card--tall .gallery__media { min-height: 340px; }
}

/* Tablet */
@media (max-width: 900px) {
  .nav__links,
  .nav__indicator {
    display: none;
  }
  .nav__burger {
    display: inline-flex;
  }

  .hero__content {
    padding-bottom: 38vh;
  }
  .hero-product__chip {
    display: none;
  }

  .feature--split {
    grid-template-columns: 1fr;
    min-height: 0;
  }
  .feature--reverse .feature__media { order: 0; }
  .feature--reverse .feature__copy  { order: 1; }
  .feature__frame {
    aspect-ratio: 16 / 11;
    max-height: 60vh;
  }

  .stack {
    height: auto;
  }
  .stack__stage {
    position: relative;
    height: auto;
  }
  .stack__panel {
    position: relative;
    grid-template-columns: 1fr;
    gap: 30px;
    padding: clamp(80px, 14vh, 160px) var(--pad);
  }
  .stack__visual {
    justify-self: start;
  }
  .stack__media {
    height: clamp(300px, 48vh, 440px);
    width: 100%;
  }

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

  .voices__grid {
    grid-template-columns: 1fr;
  }

  .footer__top {
    grid-template-columns: 1fr 1fr;
  }
  .footer__news {
    grid-column: 1 / -1;
  }
}

/* Mobile */
@media (max-width: 640px) {
  :root {
    --section-pad: clamp(80px, 14vh, 120px);
  }

  .btn {
    padding: 16px 28px;
  }

  .hero__title {
    font-size: clamp(2.9rem, 14vw, 4.4rem);
  }
  .hero__cta {
    flex-direction: column;
    align-items: stretch;
  }
  .hero__cta .btn {
    width: 100%;
  }
  .hero-product {
    bottom: 9vh;
    width: 86vw;
  }
  .hero__scroll {
    display: none;
  }

  .showcase__figure {
    aspect-ratio: 4 / 3;
  }
  .showcase__caption {
    flex-direction: column;
    gap: 10px;
  }

  .feature__cinematic-title {
    font-size: clamp(1.9rem, 8vw, 3rem);
  }

  .gallery__grid {
    grid-template-columns: 1fr;
  }
  .gallery__card,
  .gallery__card--tall,
  .gallery__card--wide {
    grid-column: auto;
    grid-row: auto;
  }
  .gallery__card .gallery__media,
  .gallery__card--tall .gallery__media,
  .gallery__card--wide .gallery__media {
    min-height: 260px;
  }

  .specs__grid {
    grid-template-columns: 1fr;
  }
  .performance__stats {
    grid-template-columns: 1fr 1fr;
  }
  .performance__number {
    font-size: clamp(2.8rem, 12vw, 4rem);
  }

  .footer__top {
    grid-template-columns: 1fr;
  }
  .footer__news {
    grid-column: auto;
  }
  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ===================================================================
   20. REDUCED MOTION & NO-JS SAFETY
   =================================================================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .grain {
    animation: none;
  }
}