/* ==========================================================================
   Saber Energy — Landing styles
   ========================================================================== */

:root {
  --bg: #07080c;
  --bg-2: #0d0f16;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-2: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.09);
  --text: #f4f5f8;
  --muted: #9aa0ae;
  --accent: #1e90ff;
  --accent-dark: #061a33;
  --accent-2: #ff7a1a;
  --danger: #ff4d6d;
  --success: #2ee59d;

  --font-display: "Unbounded", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;

  --radius: 22px;
  --radius-lg: 32px;
  --container: 1240px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --header-h: 76px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
svg { width: 1em; height: 1em; flex-shrink: 0; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.05; margin: 0; letter-spacing: -0.02em; }
p { margin: 0; }

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

.container { width: min(100% - 40px, var(--container)); margin-inline: auto; }

/* ---------- Decorative overlays ---------- */
.noise {
  position: fixed; inset: 0; z-index: 100; pointer-events: none; opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.cursor-glow {
  position: fixed; top: 0; left: 0; width: 520px; height: 520px; margin: -260px 0 0 -260px;
  border-radius: 50%; pointer-events: none; z-index: 0;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 16%, transparent), transparent 65%);
  transform: translate3d(var(--mx, -999px), var(--my, -999px), 0);
  transition: background .6s;
}
@media (hover: none) { .cursor-glow { display: none; } }

/* ---------- Utility ---------- */
.text-gradient {
  background: linear-gradient(100deg, var(--accent) 0%, color-mix(in srgb, var(--accent) 45%, #fff) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  transition: background .6s;
}
.glass {
  background: linear-gradient(160deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  border: 1px solid var(--border);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
}
.eyebrow {
  display: inline-flex; align-items: center; gap: .5em;
  font-size: .78rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase;
  color: var(--accent); padding: .5em 1em; border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  transition: color .6s, background .6s, border-color .6s;
}

/* ---------- Buttons ---------- */
.btn {
  --h: 56px;
  display: inline-flex; align-items: center; justify-content: center; gap: .6em;
  height: var(--h); padding: 0 1.8em; border-radius: 999px;
  font-weight: 700; font-size: .95rem; letter-spacing: .01em; white-space: nowrap;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s, color .3s, border-color .3s;
  position: relative; isolation: isolate; overflow: hidden;
}
.btn svg { transition: transform .3s var(--ease); }
.btn:hover svg { transform: translate(2px, -2px); }
.btn--primary {
  background: var(--accent); color: #05070b;
  box-shadow: 0 10px 40px -10px var(--accent), inset 0 1px 0 rgba(255,255,255,.4);
}
.btn--primary::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,.55) 50%, transparent 70%);
  transform: translateX(-120%); transition: transform .8s var(--ease);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 18px 50px -10px var(--accent); }
.btn--primary:hover::after { transform: translateX(120%); }
.btn--ghost { border: 1px solid var(--border); background: var(--surface); }
.btn--ghost:hover { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, transparent); }
.btn--sm { --h: 42px; padding: 0 1.2em; font-size: .85rem; }
.btn--block { width: 100%; }
.btn[disabled] { opacity: .6; pointer-events: none; }

.icon-btn {
  display: inline-grid; place-items: center; width: 48px; height: 48px; border-radius: 50%;
  border: 1px solid var(--border); background: var(--surface); font-size: 1.2rem;
  transition: background .3s, border-color .3s, transform .3s var(--ease), color .3s;
}
.icon-btn:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* ---------- Header ---------- */
.header {
  position: fixed; inset: 0 0 auto; z-index: 50; height: var(--header-h);
  transition: background .4s, border-color .4s, backdrop-filter .4s;
  border-bottom: 1px solid transparent;
}
.header.is-scrolled {
  background: rgba(7, 8, 12, .7); border-color: var(--border);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
}
.header__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { display: inline-flex; align-items: center; gap: 10px; }
.logo__mark {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 40%, #000));
  color: #fff; font-size: 1.25rem; box-shadow: 0 6px 24px -6px var(--accent);
  transition: background .6s, box-shadow .6s;
}
.logo__text { font-family: var(--font-display); font-weight: 900; font-size: 1.25rem; letter-spacing: .04em; line-height: 1; display: flex; flex-direction: column; }
.logo__text small { font-family: var(--font-body); font-weight: 600; font-size: .62rem; letter-spacing: .42em; color: var(--muted); text-transform: uppercase; margin-top: 3px; }

.nav { display: flex; align-items: center; gap: 6px; }
.nav__link {
  position: relative; padding: 10px 16px; font-weight: 600; font-size: .92rem; color: var(--muted);
  border-radius: 999px; transition: color .3s, background .3s;
}
.nav__link:hover, .nav__link.is-active { color: var(--text); background: var(--surface); }
.nav__cta { margin-left: 10px; }

.header__actions { display: flex; align-items: center; gap: 12px; }
.lang { display: flex; gap: 2px; padding: 4px; border-radius: 999px; background: var(--surface); border: 1px solid var(--border); }
.lang__btn { padding: 6px 10px; border-radius: 999px; font-size: .75rem; font-weight: 700; color: var(--muted); }
.lang__btn.is-active { background: var(--accent); color: #000; }

.burger { display: none; width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--border); position: relative; }
.burger span { position: absolute; left: 13px; right: 13px; height: 2px; background: currentColor; border-radius: 2px; transition: transform .35s var(--ease), top .35s var(--ease); }
.burger span:first-child { top: 18px; }
.burger span:last-child { top: 26px; }
.burger[aria-expanded="true"] span:first-child { top: 22px; transform: rotate(45deg); }
.burger[aria-expanded="true"] span:last-child { top: 22px; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  padding: calc(var(--header-h) + 40px) 0 80px; overflow: hidden; isolation: isolate;
}
.hero__bg { position: absolute; inset: 0; z-index: -2; }
.blob { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .55; animation: float 14s ease-in-out infinite; }
.blob--1 { width: 620px; height: 620px; right: -120px; top: 5%; background: var(--accent); }
.blob--2 { width: 420px; height: 420px; left: -160px; bottom: -120px; background: var(--accent-2); opacity: .25; animation-delay: -6s; }
.grid-lines {
  position: absolute; inset: 0; opacity: .5;
  background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 30%, transparent 75%);
}
.hero__word {
  position: absolute; z-index: -1; left: 50%; bottom: -4vw; transform: translateX(-50%);
  font-family: var(--font-display); font-weight: 900; font-size: 27vw; line-height: .8; letter-spacing: -.04em;
  color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.07); white-space: nowrap; user-select: none;
}
.hero__inner { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 40px; }
.hero__content { display: flex; flex-direction: column; align-items: flex-start; gap: 28px; }
.hero__title { font-size: clamp(2.4rem, 5.2vw, 4.6rem); font-weight: 900; text-transform: uppercase; }
.hero__title-thin { font-weight: 500; text-transform: lowercase; color: var(--muted); font-size: .55em; margin-left: .15em; letter-spacing: 0; }
.hero__lead { font-size: 1.15rem; color: var(--muted); max-width: 540px; }
.hero__lead strong { color: var(--text); }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; }
.hero__stats { display: flex; gap: 44px; margin: 12px 0 0; padding-top: 28px; border-top: 1px solid var(--border); }
.hero__stats dt { font-family: var(--font-display); font-size: 2.2rem; font-weight: 700; line-height: 1; }
.hero__stats dt small { font-size: .5em; color: var(--accent); margin-left: 2px; }
.hero__stats dd { margin: 6px 0 0; color: var(--muted); font-size: .85rem; text-transform: uppercase; letter-spacing: .12em; }

.hero__visual { position: relative; display: grid; place-items: center; aspect-ratio: 1 / 1.15; }
.hero__can {
  position: relative; z-index: 2; width: 100%; max-width: 520px; height: auto;
  mix-blend-mode: lighten;
  -webkit-mask-image: radial-gradient(ellipse 60% 55% at 50% 50%, #000 70%, transparent 100%);
  mask-image: radial-gradient(ellipse 60% 55% at 50% 50%, #000 70%, transparent 100%);
  animation: can-float 6s ease-in-out infinite;
  transform: translate3d(var(--px, 0), var(--py, 0), 0);
}
.hero__ring {
  position: absolute; width: 78%; aspect-ratio: 1; border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  box-shadow: 0 0 120px -20px var(--accent), inset 0 0 80px -30px var(--accent);
  animation: spin 30s linear infinite;
}
.hero__ring::before {
  content: ""; position: absolute; top: -5px; left: 50%; width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 20px 4px var(--accent);
}
.hero__ring--2 { width: 100%; border-style: dashed; opacity: .35; animation-duration: 60s; animation-direction: reverse; box-shadow: none; }
.hero__ring--2::before { display: none; }
.hero__badge {
  position: absolute; z-index: 3; left: 0; bottom: 14%; display: flex; align-items: center; gap: 12px;
  padding: 14px 20px 14px 14px; border-radius: 18px; line-height: 1.25; animation: float 8s ease-in-out infinite;
}
.hero__badge small { color: var(--muted); }
.hero__badge-icon { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; background: var(--success); color: #04110b; font-size: 1.3rem; }

.scroll-hint { position: absolute; left: 50%; bottom: 28px; transform: translateX(-50%); width: 26px; height: 42px; border: 2px solid var(--border); border-radius: 20px; }
.scroll-hint span { position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px; border-radius: 4px; background: var(--accent); animation: scroll 1.8s ease-in-out infinite; }

/* ---------- Marquee ---------- */
.marquee {
  position: relative; z-index: 2; overflow: hidden; padding: 22px 0;
  background: var(--accent); color: #05070b; transform: rotate(-2deg) scale(1.04);
  box-shadow: 0 20px 60px -20px var(--accent); transition: background .6s, box-shadow .6s;
}
.marquee__track { display: flex; align-items: center; gap: 36px; width: max-content; animation: marquee 30s linear infinite; }
.marquee span { font-family: var(--font-display); font-weight: 900; font-size: clamp(1.4rem, 3vw, 2.4rem); text-transform: uppercase; letter-spacing: -.01em; }
.marquee i { font-size: 1.6rem; display: grid; }

/* ---------- Sections ---------- */
.section { position: relative; padding: clamp(80px, 12vw, 160px) 0; }
.section__head { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 20px; max-width: 760px; margin: 0 auto clamp(48px, 7vw, 80px); }
.section__title { font-size: clamp(2.2rem, 5vw, 4rem); font-weight: 900; text-transform: uppercase; }
.section__lead { color: var(--muted); font-size: 1.1rem; max-width: 640px; }

/* ---------- Products showcase ---------- */
.products { overflow: hidden; isolation: isolate; }
.products__bg {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(ellipse 60% 50% at 50% 55%, color-mix(in srgb, var(--accent) 35%, transparent), transparent 70%),
    linear-gradient(180deg, var(--bg) 0%, var(--accent-dark) 50%, var(--bg) 100%);
  transition: background .8s var(--ease);
}
.showcase { position: relative; }
.showcase__word {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -58%); z-index: 0;
  font-family: var(--font-display); font-weight: 900; font-size: clamp(5rem, 17vw, 15rem); text-transform: uppercase;
  line-height: 1; white-space: nowrap; letter-spacing: -.04em; pointer-events: none;
  color: transparent; -webkit-text-stroke: 2px color-mix(in srgb, var(--accent) 35%, transparent);
  transition: opacity .4s, -webkit-text-stroke-color .6s;
}
.showcase__word.is-changing { opacity: 0; }
.showcase__stage { position: relative; display: grid; min-height: 620px; z-index: 1; }
.slide {
  grid-area: 1 / 1; display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 40px;
  opacity: 0; visibility: hidden; transition: opacity .6s var(--ease), visibility 0s .6s;
}
.slide.is-active { opacity: 1; visibility: visible; transition: opacity .6s var(--ease), visibility 0s; }
.slide__info { display: flex; flex-direction: column; gap: 18px; max-width: 480px; }
.slide__info > * { transform: translateY(30px); opacity: 0; transition: transform .7s var(--ease), opacity .7s var(--ease); }
.slide.is-active .slide__info > * { transform: none; opacity: 1; }
.slide.is-active .slide__info > :nth-child(2) { transition-delay: .06s; }
.slide.is-active .slide__info > :nth-child(3) { transition-delay: .12s; }
.slide.is-active .slide__info > :nth-child(4) { transition-delay: .18s; }
.slide.is-active .slide__info > :nth-child(5) { transition-delay: .24s; }
.slide__index { font-family: var(--font-display); color: var(--accent); font-weight: 700; letter-spacing: .2em; font-size: .85rem; }
.slide__name { font-size: clamp(2.8rem, 6vw, 5rem); font-weight: 900; text-transform: uppercase; }
.slide__tagline { font-size: 1.2rem; font-weight: 700; color: color-mix(in srgb, var(--accent) 60%, #fff); }
.slide__desc { color: var(--muted); font-size: 1.05rem; }
.chips { list-style: none; padding: 0; margin: 8px 0 0; display: flex; flex-wrap: wrap; gap: 10px; }
.chips li { padding: 10px 16px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--border); font-size: .85rem; color: var(--muted); }
.chips strong { color: var(--text); font-family: var(--font-display); }

.slide__visual { position: relative; display: grid; place-items: center; }
.slide__visual img {
  position: relative; z-index: 1; width: 100%; max-width: 440px; mix-blend-mode: lighten;
  -webkit-mask-image: radial-gradient(ellipse 62% 56% at 50% 50%, #000 70%, transparent 100%);
  mask-image: radial-gradient(ellipse 62% 56% at 50% 50%, #000 70%, transparent 100%);
  transform: translateY(60px) rotate(8deg) scale(.9); transition: transform 1s var(--ease);
}
.slide.is-active .slide__visual img { transform: none; animation: can-float 6s 1s ease-in-out infinite; }
.slide__glow { position: absolute; width: 70%; aspect-ratio: 1; border-radius: 50%; background: var(--accent); filter: blur(100px); opacity: .45; }

.showcase__controls { position: relative; z-index: 2; display: flex; align-items: center; justify-content: center; gap: 16px; margin-top: 40px; }
.tabs { display: flex; gap: 6px; padding: 6px; border-radius: 999px; background: rgba(0,0,0,.35); border: 1px solid var(--border); backdrop-filter: blur(10px); overflow-x: auto; scrollbar-width: none; }
.tab {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: 999px;
  font-weight: 700; font-size: .9rem; color: var(--muted); white-space: nowrap; transition: background .4s, color .4s;
}
.tab__dot { width: 10px; height: 10px; border-radius: 50%; background: var(--c); box-shadow: 0 0 10px var(--c); }
.tab:hover { color: var(--text); }
.tab.is-active { background: var(--c); color: #05070b; }
.tab.is-active .tab__dot { background: #05070b; box-shadow: none; }

/* ---------- Mission ---------- */
.mission { text-align: center; }
.mission__text {
  font-family: var(--font-display); font-weight: 700; font-size: clamp(1.6rem, 3.6vw, 3rem); line-height: 1.25;
  max-width: 1050px; margin: 0 auto; letter-spacing: -.02em;
}
.mission__text .w { opacity: .15; transition: opacity .4s; }
.mission__text .w.is-lit { opacity: 1; }
.mission__sign { margin-top: 36px; color: var(--muted); font-size: 1.1rem; }
.mission__sign strong { color: var(--accent); transition: color .6s; }

/* ---------- Composition / bento ---------- */
.bento { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.bento__card {
  position: relative; overflow: hidden; padding: 30px; border-radius: var(--radius);
  background: linear-gradient(165deg, var(--surface-2), var(--surface)); border: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 12px; min-height: 240px;
  transition: transform .5s var(--ease), border-color .4s;
}
.bento__card::before {
  content: ""; position: absolute; inset: 0; opacity: 0; transition: opacity .4s; pointer-events: none;
  background: radial-gradient(400px circle at var(--cx, 50%) var(--cy, 50%), color-mix(in srgb, var(--accent) 18%, transparent), transparent 60%);
}
.bento__card:hover { transform: translateY(-6px); border-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.bento__card:hover::before { opacity: 1; }
.bento__card h3 { font-size: 1.25rem; font-weight: 700; }
.bento__card p { color: var(--muted); font-size: .95rem; }
.bento__icon {
  display: grid; place-items: center; width: 54px; height: 54px; border-radius: 16px; font-size: 1.6rem;
  color: var(--accent); background: color-mix(in srgb, var(--accent) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent); margin-bottom: auto;
}
.bento__amount { font-family: var(--font-display); font-size: 2rem; font-weight: 900; color: var(--accent); line-height: 1; }
.bento__card--feature {
  grid-column: span 2; grid-row: span 2; flex-direction: row; align-items: flex-end; padding: 40px;
  background:
    radial-gradient(ellipse at 80% 40%, color-mix(in srgb, var(--accent) 40%, transparent), transparent 60%),
    linear-gradient(165deg, var(--accent-dark), var(--bg-2));
}
.bento__feature-text { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: flex-start; gap: 16px; max-width: 58%; }
.bento__feature-text h3 { font-size: clamp(1.5rem, 2.4vw, 2.2rem); font-weight: 900; }
.bento__can {
  position: absolute; right: -6%; bottom: -12%; width: 56%; mix-blend-mode: lighten;
  -webkit-mask-image: radial-gradient(ellipse 60% 55% at 50% 50%, #000 70%, transparent 100%);
  mask-image: radial-gradient(ellipse 60% 55% at 50% 50%, #000 70%, transparent 100%);
  transform: rotate(12deg); transition: transform .8s var(--ease);
}
.bento__card--feature:hover .bento__can { transform: rotate(4deg) translateY(-10px) scale(1.04); }

/* ---------- Social ---------- */
.social__card {
  position: relative; overflow: hidden; isolation: isolate; border-radius: var(--radius-lg); padding: clamp(36px, 6vw, 80px);
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center;
  background: linear-gradient(135deg, var(--bg-2), #10131c); border: 1px solid var(--border);
}
.social__glow { position: absolute; z-index: -1; width: 600px; height: 600px; right: -200px; top: -200px; border-radius: 50%; background: var(--accent); filter: blur(140px); opacity: .35; }
.social__content { display: flex; flex-direction: column; align-items: flex-start; gap: 20px; }
.social__links { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.social__link {
  display: flex; align-items: center; gap: 14px; padding: 18px; border-radius: 18px;
  background: var(--surface); border: 1px solid var(--border); font-weight: 700;
  transition: transform .4s var(--ease), background .4s, border-color .4s;
}
.social__link:hover { transform: translateY(-4px); background: var(--surface-2); border-color: var(--brand, var(--accent)); }
.social__icon { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 14px; font-size: 1.4rem; background: var(--brand, var(--accent)); color: #fff; }
.social__arrow { margin-left: auto; color: var(--muted); transition: transform .3s var(--ease), color .3s; }
.social__link:hover .social__arrow { transform: translate(3px, -3px); color: var(--text); }
.social__link--instagram { --brand: #e1306c; }
.social__link--instagram .social__icon { background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fd5949 45%, #d6249f 60%, #285aeb 90%); }
.social__link--telegram { --brand: #29a9eb; }
.social__link--tiktok { --brand: #25f4ee; }
.social__link--tiktok .social__icon { background: #000; box-shadow: -2px -2px 0 #25f4ee inset, 2px 2px 0 #fe2c55 inset; }
.social__link--youtube { --brand: #ff0033; }

/* ---------- Contact ---------- */
.contact__grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(40px, 6vw, 90px); align-items: start; }
.contact__intro { display: flex; flex-direction: column; align-items: flex-start; gap: 22px; position: sticky; top: calc(var(--header-h) + 40px); }
.contact__note { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-weight: 600; }
.contact__note svg { color: var(--danger); font-size: 1.3rem; }

.form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; padding: clamp(24px, 4vw, 44px); border-radius: var(--radius-lg); }
.form__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: .82rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.field input, .field textarea {
  width: 100%; padding: 16px 18px; border-radius: 14px; font: inherit; color: var(--text);
  background: rgba(0,0,0,.35); border: 1px solid var(--border); outline: none; resize: vertical;
  transition: border-color .3s, box-shadow .3s, background .3s;
}
.field input::placeholder, .field textarea::placeholder { color: #5d6270; }
.field input:focus, .field textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent); background: rgba(0,0,0,.5); }
.field.has-error input, .field.has-error textarea { border-color: var(--danger); }
.field__error { color: var(--danger); font-size: .82rem; min-height: 0; }
.field__error:empty { display: none; }

.check { display: flex; align-items: flex-start; gap: 12px; cursor: pointer; color: var(--muted); font-size: .92rem; user-select: none; }
.check input { position: absolute; opacity: 0; pointer-events: none; }
.check__box {
  flex-shrink: 0; display: grid; place-items: center; width: 22px; height: 22px; border-radius: 7px; margin-top: 1px;
  border: 1px solid var(--border); background: rgba(0,0,0,.35); color: #05070b; font-size: .8rem; transition: background .25s, border-color .25s;
}
.check__box svg { opacity: 0; transform: scale(.4); transition: opacity .25s, transform .25s var(--ease); }
.check input:checked + .check__box { background: var(--accent); border-color: var(--accent); }
.check input:checked + .check__box svg { opacity: 1; transform: none; }
.check input:focus-visible + .check__box { box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 25%, transparent); }

.form__status { text-align: center; font-weight: 600; min-height: 1.6em; }
.form__status.is-success { color: var(--success); }
.form__status.is-error { color: var(--danger); }
.btn.is-loading span::after { content: "…"; }

/* ---------- Footer ---------- */
.footer { position: relative; overflow: hidden; padding: 60px 0 30px; border-top: 1px solid var(--border); background: var(--bg-2); }
.footer__big {
  font-family: var(--font-display); font-weight: 900; font-size: 22vw; line-height: .8; letter-spacing: -.05em; text-align: center;
  background: linear-gradient(180deg, rgba(255,255,255,.08), transparent 85%); -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-bottom: 40px; user-select: none;
}
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr auto; gap: 40px; align-items: start; }
.footer__text { margin-top: 16px; color: var(--muted); max-width: 320px; }
.footer__nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 30px; }
.footer__nav a { color: var(--muted); transition: color .3s; }
.footer__nav a:hover { color: var(--accent); }
.footer__social { display: flex; gap: 10px; }
.footer__bottom { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--border); color: var(--muted); font-size: .85rem; }
.footer__warn { opacity: .7; }

/* ---------- Toasts ---------- */
.toasts { position: fixed; right: 20px; bottom: 20px; z-index: 200; display: flex; flex-direction: column; gap: 10px; }
.toast { padding: 14px 20px; border-radius: 14px; background: var(--bg-2); border: 1px solid var(--border); box-shadow: 0 20px 50px rgba(0,0,0,.5); animation: toast-in .5s var(--ease); }
.toast--success { border-color: var(--success); }
.toast--error { border-color: var(--danger); }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 1s var(--ease), transform 1s var(--ease); transition-delay: calc(var(--d, 0) * 80ms); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Keyframes ---------- */
@keyframes float { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(20px, -30px); } }
@keyframes can-float { 0%, 100% { translate: 0 0; rotate: -2deg; } 50% { translate: 0 -18px; rotate: 2deg; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes marquee { to { transform: translateX(-33.333%); } }
@keyframes scroll { 0% { opacity: 0; transform: translateY(0); } 40% { opacity: 1; } 100% { opacity: 0; transform: translateY(14px); } }
@keyframes toast-in { from { opacity: 0; transform: translateY(20px); } }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .bento { grid-template-columns: repeat(2, 1fr); }
  .social__card { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  :root { --header-h: 68px; }
  .burger { display: block; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto; flex-direction: column; align-items: stretch; gap: 4px;
    padding: 20px; background: rgba(7, 8, 12, .96); backdrop-filter: blur(20px); border-bottom: 1px solid var(--border);
    transform: translateY(-120%); opacity: 0; transition: transform .5s var(--ease), opacity .4s;
  }
  .nav.is-open { transform: none; opacity: 1; }
  .nav__link { padding: 14px 16px; font-size: 1.05rem; }
  .nav__cta { margin: 10px 0 0; }

  .hero__inner { grid-template-columns: 1fr; text-align: left; }
  .hero__visual { max-width: 340px; margin: 0 auto; order: -1; }
  .hero__badge { left: -10px; }
  .hero__stats { gap: 28px; }
  .scroll-hint { display: none; }

  .slide { grid-template-columns: 1fr; text-align: center; gap: 0; }
  .slide__info { margin: 0 auto; align-items: center; order: 2; }
  .slide__visual img { max-width: 300px; }
  .chips { justify-content: center; }
  .showcase__stage { min-height: 820px; }
  .showcase__controls { flex-wrap: wrap; }
  .tabs { order: -1; width: 100%; justify-content: flex-start; }

  .contact__grid { grid-template-columns: 1fr; }
  .contact__intro { position: static; }
  .footer__grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .bento { grid-template-columns: 1fr; }
  .bento__card--feature { grid-column: auto; min-height: 380px; }
  .bento__feature-text { max-width: 100%; }
  .bento__can { opacity: .5; }
  .social__links { grid-template-columns: 1fr; }
  .form { grid-template-columns: 1fr; }
  .hero__cta .btn { flex: 1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Multi-brand switcher (Header + Showcase) ---------- */
.brand-pills {
  display: inline-flex; align-items: center; gap: 4px; padding: 4px; margin-left: 10px;
  border-radius: 999px; background: var(--surface); border: 1px solid var(--border);
}
.brand-pill {
  display: inline-flex; align-items: center; gap: 7px; padding: 7px 14px; border-radius: 999px;
  font-size: .82rem; font-weight: 700; color: var(--muted); white-space: nowrap;
  transition: background .3s, color .3s, transform .3s var(--ease);
}
.brand-pill__dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--bc, var(--accent));
  box-shadow: 0 0 8px var(--bc, var(--accent));
}
.brand-pill:hover { color: var(--text); }
.brand-pill.is-active {
  background: var(--bc, var(--accent)); color: #05070b;
  box-shadow: 0 6px 20px -6px var(--bc, var(--accent));
}
.brand-pill.is-active .brand-pill__dot { background: #05070b; box-shadow: none; }

.brand-switcher {
  display: inline-flex; flex-wrap: wrap; justify-content: center; gap: 8px; padding: 6px;
  border-radius: 999px; background: var(--surface); border: 1px solid var(--border);
}
.brand-switcher__btn {
  display: inline-flex; align-items: center; gap: 9px; padding: 10px 20px; border-radius: 999px;
  font-family: var(--font-display); font-size: .82rem; font-weight: 700; color: var(--muted);
  transition: background .35s, color .35s, box-shadow .35s;
}
.brand-switcher__dot {
  width: 9px; height: 9px; border-radius: 50%; background: var(--bc, var(--accent));
  box-shadow: 0 0 10px var(--bc, var(--accent));
}
.brand-switcher__btn small {
  padding: 2px 7px; border-radius: 999px; font-family: var(--font-body); font-size: .72rem;
  background: rgba(255,255,255,.08); color: inherit;
}
.brand-switcher__btn:hover { color: var(--text); }
.brand-switcher__btn.is-active {
  background: var(--bc, var(--accent)); color: #05070b;
  box-shadow: 0 10px 30px -8px var(--bc, var(--accent));
}
.brand-switcher__btn.is-active .brand-switcher__dot { background: #05070b; box-shadow: none; }
.brand-switcher__btn.is-active small { background: rgba(0,0,0,.18); }

/* ---------- Full Multi-Brand Catalog ---------- */
.catalog { background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 50%, var(--bg) 100%); }
.catalog__filters {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 10px;
}
.filter-btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 11px 20px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--border); color: var(--muted);
  font-weight: 700; font-size: .9rem; transition: all .3s var(--ease);
}
.filter-btn small {
  padding: 2px 8px; border-radius: 999px; background: rgba(255,255,255,.07); font-size: .75rem;
}
.filter-btn:hover { color: var(--text); border-color: var(--bc, var(--accent)); }
.filter-btn.is-active {
  background: var(--bc, var(--accent)); border-color: var(--bc, var(--accent)); color: #05070b;
  box-shadow: 0 10px 30px -10px var(--bc, var(--accent));
}
.filter-btn.is-active small { background: rgba(0,0,0,.18); color: #05070b; }

.catalog__grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(275px, 1fr)); gap: 22px;
}
.product-card {
  position: relative; overflow: hidden; border-radius: var(--radius);
  background: linear-gradient(165deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border); display: flex; flex-direction: column;
  transition: transform .45s var(--ease), border-color .4s, box-shadow .45s var(--ease);
}
.product-card[hidden] { display: none !important; }
.product-card:hover {
  transform: translateY(-8px);
  border-color: color-mix(in srgb, var(--pc) 55%, transparent);
  box-shadow: 0 24px 50px -20px color-mix(in srgb, var(--pc) 40%, transparent);
}
.product-card__visual {
  position: relative; height: 270px; display: grid; place-items: center; padding: 24px;
  background: radial-gradient(circle at 50% 55%, color-mix(in srgb, var(--pc) 26%, transparent), var(--pd) 85%);
  overflow: hidden;
}
.product-card__glow {
  position: absolute; width: 65%; aspect-ratio: 1; border-radius: 50%;
  background: var(--pc); filter: blur(60px); opacity: .4;
}
.product-card__visual img {
  position: relative; z-index: 1; max-height: 225px; width: auto; mix-blend-mode: lighten;
  -webkit-mask-image: radial-gradient(ellipse 62% 56% at 50% 50%, #000 72%, transparent 100%);
  mask-image: radial-gradient(ellipse 62% 56% at 50% 50%, #000 72%, transparent 100%);
  transition: transform .6s var(--ease);
}
.product-card:hover .product-card__visual img { transform: scale(1.07) rotate(-3deg); }
.product-card__badge, .product-card__cat {
  position: absolute; top: 14px; z-index: 2; padding: 5px 11px; border-radius: 999px;
  font-size: .7rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
}
.product-card__badge {
  left: 14px; background: var(--pc); color: #05070b;
}
.product-card__cat {
  right: 14px; background: rgba(0,0,0,.55); border: 1px solid var(--border); color: var(--text);
  backdrop-filter: blur(8px);
}
.product-card__body {
  padding: 22px; display: flex; flex-direction: column; gap: 8px; flex: 1;
}
.product-card__title { font-size: 1.15rem; font-weight: 700; }
.product-card__tagline { font-size: .85rem; font-weight: 700; color: var(--pc); }
.product-card__desc { font-size: .9rem; color: var(--muted); flex: 1; }
.product-card__meta {
  display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; padding-top: 12px;
  border-top: 1px solid var(--border); font-size: .76rem; color: var(--muted);
}
.product-card__meta span {
  padding: 4px 10px; border-radius: 999px; background: var(--surface); border: 1px solid var(--border);
}

/* ---------- 4 Energy Series Section ---------- */
.series__grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.series-card {
  position: relative; overflow: hidden; border-radius: var(--radius);
  background: linear-gradient(170deg, var(--sd), var(--bg-2) 68%);
  border: 1px solid color-mix(in srgb, var(--sc) 28%, var(--border));
  display: flex; flex-direction: column;
  transition: transform .45s var(--ease), border-color .4s, box-shadow .45s var(--ease);
}
.series-card:hover {
  transform: translateY(-8px);
  border-color: var(--sc);
  box-shadow: 0 26px 55px -20px color-mix(in srgb, var(--sc) 50%, transparent);
}
.series-card__top {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 20px 20px 0; position: relative; z-index: 2;
}
.series-card__badge {
  padding: 5px 11px; border-radius: 999px; font-size: .7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .06em;
  background: color-mix(in srgb, var(--sc) 18%, transparent);
  border: 1px solid color-mix(in srgb, var(--sc) 45%, transparent);
  color: var(--sc);
}
.series-card__index {
  font-family: var(--font-display); font-weight: 900; font-size: .85rem; color: var(--muted);
}
.series-card__visual {
  position: relative; height: 245px; display: grid; place-items: center; padding: 14px;
}
.series-card__glow {
  position: absolute; width: 65%; aspect-ratio: 1; border-radius: 50%;
  background: var(--sc); filter: blur(55px); opacity: .45;
}
.series-card__visual img {
  position: relative; z-index: 1; max-height: 220px; width: auto; mix-blend-mode: lighten;
  -webkit-mask-image: radial-gradient(ellipse 62% 56% at 50% 50%, #000 72%, transparent 100%);
  mask-image: radial-gradient(ellipse 62% 56% at 50% 50%, #000 72%, transparent 100%);
  transition: transform .6s var(--ease);
}
.series-card:hover .series-card__visual img { transform: scale(1.08) translateY(-4px); }
.series-card__body {
  padding: 0 22px 22px; display: flex; flex-direction: column; gap: 10px; flex: 1;
}
.series-card__title {
  font-size: 1.25rem; font-weight: 900; text-transform: uppercase;
}
.series-card__tagline {
  font-size: .86rem; font-weight: 700; color: var(--sc);
}
.series-card__desc {
  font-size: .88rem; color: var(--muted); flex: 1;
}
.series-card__meter {
  margin-top: 6px; display: flex; flex-direction: column; gap: 6px;
}
.series-card__meter-head {
  display: flex; justify-content: space-between; font-size: .75rem; text-transform: uppercase;
  letter-spacing: .08em; color: var(--muted);
}
.series-card__meter-head strong { color: var(--sc); font-family: var(--font-display); }
.series-card__bar {
  height: 6px; border-radius: 999px; background: rgba(255,255,255,.08); overflow: hidden;
}
.series-card__bar span {
  display: block; height: 100%; border-radius: 999px;
  background: linear-gradient(90deg, var(--sc), color-mix(in srgb, var(--sc) 50%, #fff));
  box-shadow: 0 0 12px var(--sc);
}
.series-card__specs {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px;
  margin-top: 8px; padding-top: 12px; border-top: 1px solid var(--border);
  text-align: center;
}
.series-card__specs small {
  display: block; font-size: .68rem; color: var(--muted); text-transform: uppercase; letter-spacing: .06em;
}
.series-card__specs strong {
  font-family: var(--font-display); font-size: .82rem; color: var(--text);
}

@media (max-width: 1120px) {
  .series__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .series__grid { grid-template-columns: 1fr; }
}