/* ============================================================
   Atlantic Lighting Solutions — Design System & Styles
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Unbounded:wght@400;500;600;700;800;900&family=Manrope:wght@300;400;500;600;700;800&display=swap');

:root{
  --bg:#04070b;
  --bg-soft:#070b12;
  --surface:#0d131c;
  --surface-2:#121a26;
  --border:rgba(255,255,255,.09);
  --border-soft:rgba(255,255,255,.05);
  --ink:#f4f8fc;
  --ink-dim:#b7c4d4;
  --muted:#7f8ea3;
  --nav-ink:#e3e6ea;

  --blue:#2ea3ff;
  --blue-bright:#7fdcff;
  --blue-soft:#4fc1ff;
  --blue-deep:#0a4fc4;
  --silver:#cfd8e3;

  --grad-brand:linear-gradient(135deg,#8fe3ff 0%,#2ea3ff 45%,#0a4fc4 100%);
  --grad-brand-soft:linear-gradient(135deg,rgba(143,227,255,.15),rgba(46,163,255,.10) 45%,rgba(10,79,196,.15));
  --glow-sm:0 0 24px rgba(46,163,255,.35);
  --glow-md:0 0 48px rgba(46,163,255,.30);
  --glow-lg:0 12px 80px rgba(46,163,255,.22);

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

  --container:1240px;
  --radius-sm:10px;
  --radius-md:18px;
  --radius-lg:28px;

  --ease-out:cubic-bezier(.16,1,.3,1);
  --ease-soft:cubic-bezier(.22,.61,.36,1);

  --fs-h1:clamp(2.6rem, 5.4vw + 1rem, 5.6rem);
  --fs-h2:clamp(2rem, 3.2vw + 1rem, 3.4rem);
  --fs-h3:clamp(1.3rem, 1.2vw + 1rem, 1.7rem);
  --fs-lead:clamp(1.05rem, .4vw + 1rem, 1.25rem);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;overflow-x:hidden;max-width:100%;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-weight:400;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
button{font:inherit;cursor:pointer;}
input,textarea,select{font:inherit;}

::selection{background:var(--blue);color:#04070b;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 clamp(1.25rem, 4vw, 3rem);}

.skip-link{
  position:absolute;left:-999px;top:0;background:var(--blue);color:#04070b;padding:.8rem 1.2rem;
  z-index:999;border-radius:0 0 8px 0;font-weight:700;
}
.skip-link:focus{left:0;}

/* ---------- Background ambience ---------- */
body::before{
  content:"";
  position:fixed;inset:0;
  background:
    radial-gradient(60vw 40vw at 12% -5%, rgba(46,163,255,.10), transparent 60%),
    radial-gradient(50vw 40vw at 100% 20%, rgba(10,79,196,.12), transparent 60%);
  pointer-events:none;z-index:0;
}

/* ---------- Preloader ---------- */
#preloader{
  position:fixed;inset:0;z-index:9999;background:var(--bg);
  display:flex;align-items:center;justify-content:center;
  transition:opacity .6s var(--ease-out), visibility .6s var(--ease-out);
}
#preloader img{width:72px;height:72px;animation:pulseLogo 1.4s ease-in-out infinite;}
#preloader.is-hidden{opacity:0;visibility:hidden;pointer-events:none;}
@keyframes pulseLogo{
  0%,100%{transform:scale(1);filter:drop-shadow(0 0 6px rgba(46,163,255,.5));}
  50%{transform:scale(1.08);filter:drop-shadow(0 0 22px rgba(111,212,255,.85));}
}

/* ---------- Cursor glow (desktop only) ---------- */
#cursorGlow{
  display:none;
  position:fixed;top:0;left:0;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle, rgba(46,163,255,.16), transparent 65%);
  transform:translate(-50%,-50%);pointer-events:none;z-index:2;
  opacity:0;transition:opacity .4s ease;will-change:transform;
}
@media (hover:hover) and (pointer:fine){
  #cursorGlow{display:block;}
  #cursorGlow.is-active{opacity:1;}
}

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:500;
  padding:1.35rem 0;
  max-width:100vw;overflow-x:hidden;
  transition:padding .4s var(--ease-out), background .4s var(--ease-out), border-color .4s var(--ease-out), box-shadow .4s var(--ease-out);
  border-bottom:1px solid transparent;
}
.nav.is-scrolled{
  padding:.85rem 0;
  background:rgba(4,7,11,.72);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom-color:var(--border);
  box-shadow:0 10px 40px rgba(0,0,0,.35);
}
.nav__inner{
  display:grid;grid-template-columns:minmax(0,auto) 1fr minmax(0,auto);align-items:center;gap:1.5rem;
  width:100%;max-width:100%;padding:0 clamp(1.25rem, 2.8vw, 3rem);
}
.nav__brand{display:flex;align-items:center;gap:.75rem;justify-self:start;grid-column:1;white-space:nowrap;min-width:0;}
.nav__brand img{width:50px;height:50px;flex-shrink:0;transition:transform .4s var(--ease-out);}
.nav__brand:hover img{transform:rotate(-8deg) scale(1.08);}
.nav__brand-text{font-family:var(--font-display);font-weight:700;font-size:1.15rem;letter-spacing:.01em;line-height:1.15;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;}
.nav__brand-text span{display:block;font-family:var(--font-body);font-weight:600;font-size:.72rem;letter-spacing:.18em;color:var(--blue-bright);text-transform:uppercase;margin-top:.2rem;}

.nav__links{display:flex;align-items:center;justify-content:center;gap:1.7rem;justify-self:center;grid-column:2;}
.nav__link{
  position:relative;font-size:.94rem;font-weight:600;color:var(--nav-ink);white-space:nowrap;
  padding:.3rem 0;transition:color .3s ease;
}
.nav__link::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--grad-brand);
  transition:width .35s var(--ease-out);border-radius:2px;
}
.nav__link:hover{color:var(--ink);}
.nav__link:hover::after{width:100%;}

.nav__actions{display:flex;align-items:center;gap:1rem;justify-self:end;grid-column:3;white-space:nowrap;min-width:0;flex-shrink:0;}
.nav__phone{
  display:flex;align-items:center;gap:.5rem;font-size:.9rem;font-weight:700;color:var(--nav-ink);
  border:1px solid var(--border);padding:.65rem 1.1rem;border-radius:99px;transition:all .3s ease;white-space:nowrap;
}
.nav__phone:hover{color:var(--ink);border-color:rgba(46,163,255,.5);box-shadow:var(--glow-sm);}
.nav__phone svg{width:17px;height:17px;stroke:var(--blue-bright);flex-shrink:0;}
.nav__actions .btn--primary{padding:.95rem 1.7rem;font-size:.92rem;box-shadow:none;}
.nav__actions .btn--primary:hover{box-shadow:none;}

.hamburger{
  display:none;flex-direction:column;gap:5px;background:none;border:0;padding:.5rem;z-index:600;
}
.hamburger span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:transform .35s var(--ease-out),opacity .3s ease;}
.hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.is-open span:nth-child(2){opacity:0;}
.hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.mobile-menu{
  position:fixed;inset:0;z-index:450;background:rgba(4,7,11,.98);backdrop-filter:blur(10px);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2rem;
  opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:opacity .45s var(--ease-out), transform .45s var(--ease-out), visibility .45s;
}
.mobile-menu.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.mobile-menu a{font-family:var(--font-display);font-size:1.5rem;font-weight:600;color:var(--ink);}
.mobile-menu a:hover{color:var(--blue-bright);}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
  padding:1rem 1.9rem;border-radius:99px;font-weight:700;font-size:.9rem;letter-spacing:.01em;
  border:1px solid transparent;overflow:hidden;isolation:isolate;
  transition:transform .35s var(--ease-out), box-shadow .35s var(--ease-out), border-color .35s ease;
  white-space:nowrap;
}
.btn:active{transform:scale(.97);}
.btn--primary{background:var(--grad-brand);color:#031019;box-shadow:0 8px 30px rgba(46,163,255,.35);}
.btn--primary::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(120deg, transparent 20%, rgba(255,255,255,.55) 45%, transparent 70%);
  transform:translateX(-120%);transition:transform .7s var(--ease-out);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 14px 44px rgba(46,163,255,.5);}
.btn--primary:hover::before{transform:translateX(120%);}

.btn--ghost{background:transparent;color:var(--ink);border-color:var(--border);}
.btn--ghost:hover{border-color:rgba(46,163,255,.55);box-shadow:var(--glow-sm);transform:translateY(-2px);}
.btn--ghost svg{width:16px;height:16px;stroke:var(--blue-bright);}

.btn--block{width:100%;}
.btn svg{width:17px;height:17px;}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;min-height:min(100svh, 880px);display:flex;flex-direction:column;justify-content:center;
  overflow:hidden;padding-top:6rem;
}
.hero__bg{position:absolute;inset:0;z-index:0;}
.hero__bg img{width:100%;height:100%;object-fit:cover;object-position:center 32%;transform:scale(1.08);will-change:transform;}
.hero__scrim{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(180deg, rgba(3,6,10,.55) 0%, rgba(3,6,10,.35) 28%, rgba(4,7,11,.55) 62%, rgba(4,7,11,.97) 100%),
    linear-gradient(90deg, rgba(3,6,10,.55), transparent 45%, transparent 60%, rgba(3,6,10,.55));
}
.hero__glow{position:absolute;z-index:1;border-radius:50%;filter:blur(70px);opacity:.55;pointer-events:none;}
.hero__glow--a{width:38vw;height:38vw;top:-8%;left:-8%;background:radial-gradient(circle, rgba(46,163,255,.45), transparent 70%);animation:driftA 16s ease-in-out infinite;}
.hero__glow--b{width:30vw;height:30vw;bottom:-6%;right:-4%;background:radial-gradient(circle, rgba(111,212,255,.35), transparent 70%);animation:driftB 20s ease-in-out infinite;}
@keyframes driftA{0%,100%{transform:translate(0,0);}50%{transform:translate(3vw,4vw);}}
@keyframes driftB{0%,100%{transform:translate(0,0);}50%{transform:translate(-3vw,-3vw);}}

.hero__content{position:relative;z-index:2;}
.eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:var(--font-body);font-weight:700;font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;
  color:var(--blue-bright);margin-bottom:1.6rem;
  opacity:0;transform:translateY(14px);animation:riseIn .8s var(--ease-out) .15s forwards;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--grad-brand);border-radius:2px;}

.hero__title{
  font-family:var(--font-display);font-weight:800;font-size:var(--fs-h1);line-height:1.03;
  letter-spacing:-.01em;max-width:16ch;margin:0 0 1.6rem;
}
.hero__title .line{display:block;overflow:hidden;padding-bottom:.08em;}
.hero__title .line span{
  display:block;opacity:0;transform:translateY(100%);
  animation:riseIn .9s var(--ease-out) forwards;
}
.hero__title .line:nth-child(1) span{animation-delay:.25s;}
.hero__title .line:nth-child(2) span{animation-delay:.4s;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}

@keyframes riseIn{to{opacity:1;transform:translateY(0);}}

.hero__sub{
  font-size:var(--fs-lead);color:var(--ink-dim);max-width:44ch;margin:0 0 2.4rem;
  opacity:0;transform:translateY(14px);animation:riseIn .8s var(--ease-out) .6s forwards;
}
.hero__ctas{display:flex;flex-wrap:wrap;gap:1rem;opacity:0;transform:translateY(14px);animation:riseIn .8s var(--ease-out) .75s forwards;}

.hero__meta{
  position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:2.4rem;margin-top:clamp(2.6rem,7vw,4.5rem);
  opacity:0;transform:translateY(14px);animation:riseIn .8s var(--ease-out) .9s forwards;
}
.hero__meta-item{display:flex;align-items:baseline;gap:.5rem;}
.hero__meta-num{font-family:var(--font-display);font-weight:700;font-size:1.5rem;color:var(--ink);}
.hero__meta-label{font-size:.74rem;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;}

.scroll-cue{
  position:absolute;left:50%;bottom:2.2rem;transform:translateX(-50%);z-index:2;
  display:flex;flex-direction:column;align-items:center;gap:.6rem;color:var(--muted);
  opacity:0;animation:riseIn .8s var(--ease-out) 1.2s forwards;
}
.scroll-cue span{font-size:.62rem;letter-spacing:.22em;text-transform:uppercase;}
.scroll-cue .stick{width:1px;height:34px;background:linear-gradient(var(--blue-bright), transparent);position:relative;overflow:hidden;}
.scroll-cue .stick::after{
  content:"";position:absolute;top:-40%;left:0;width:100%;height:40%;background:var(--ink);
  animation:cueDrop 1.8s ease-in-out infinite;
}
@keyframes cueDrop{0%{top:-40%;}100%{top:100%;}}

/* ============================================================
   MARQUEE
   ============================================================ */
.marquee{
  position:relative;border-top:1px solid var(--border-soft);border-bottom:1px solid var(--border-soft);
  background:var(--bg-soft);padding:1.1rem 0;overflow:hidden;z-index:3;
}
.marquee__track{display:flex;width:max-content;gap:3.2rem;animation:marqueeScroll 32s linear infinite;}
.marquee:hover .marquee__track{animation-play-state:paused;}
.marquee__item{
  display:flex;align-items:center;gap:1rem;font-family:var(--font-display);font-weight:600;
  font-size:.95rem;letter-spacing:.04em;color:var(--muted);white-space:nowrap;text-transform:uppercase;
}
.marquee__item svg{width:14px;height:14px;stroke:var(--blue);flex-shrink:0;}
@keyframes marqueeScroll{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ============================================================
   SECTION SHARED
   ============================================================ */
.section{position:relative;padding:clamp(5rem,10vw,8.5rem) 0;z-index:1;}
.section--tight{padding:clamp(3.5rem,7vw,6rem) 0;}
.section__head{max-width:56ch;margin-bottom:clamp(3rem,6vw,4.5rem);}
.section__head.center{margin-left:auto;margin-right:auto;text-align:center;}
.kicker{
  display:flex;align-items:center;gap:.7rem;font-family:var(--font-body);font-weight:700;
  font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;color:var(--blue-bright);margin-bottom:1.1rem;
}
.section__head.center .kicker{justify-content:center;}
.kicker::before{content:"";width:22px;height:2px;background:var(--grad-brand);border-radius:2px;}
.section__title{font-family:var(--font-display);font-weight:700;font-size:var(--fs-h2);line-height:1.08;letter-spacing:-.01em;margin:0 0 1.1rem;}
.section__desc{color:var(--ink-dim);font-size:var(--fs-lead);}
.text-grad{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}

/* reveal-on-scroll */
[data-reveal]{opacity:0;transform:translateY(34px);transition:opacity .9s var(--ease-out), transform .9s var(--ease-out);}
[data-reveal].is-visible{opacity:1;transform:translateY(0);}
[data-reveal="fade"]{transform:none;}
[data-reveal="left"]{transform:translateX(-40px);}
[data-reveal="left"].is-visible{transform:translateX(0);}
[data-reveal="right"]{transform:translateX(40px);}
[data-reveal="right"].is-visible{transform:translateX(0);}
[data-reveal="scale"]{transform:scale(.9);}
[data-reveal="scale"].is-visible{transform:scale(1);}

/* ============================================================
   SYSTEM SECTION
   ============================================================ */
.system__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2.5rem,5vw,5rem);align-items:center;}
.feature-list{display:flex;flex-direction:column;}
.feature-item{
  display:grid;grid-template-columns:auto 1fr;gap:1.4rem;padding:1.7rem 0;border-top:1px solid var(--border-soft);
  transition:padding-left .4s var(--ease-out);
}
.feature-item:last-child{border-bottom:1px solid var(--border-soft);}
.feature-item:hover{padding-left:.6rem;}
.feature-item__num{
  font-family:var(--font-display);font-weight:700;font-size:1.05rem;color:transparent;
  -webkit-text-stroke:1px var(--blue-bright);width:2.4rem;
}
.feature-item__title{font-family:var(--font-display);font-weight:600;font-size:1.08rem;margin:0 0 .5rem;}
.feature-item__text{color:var(--ink-dim);font-size:.95rem;max-width:46ch;}

.system__media{position:relative;}
.media-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);
  box-shadow:var(--glow-lg);
}
.media-card img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease-out);}
.media-card:hover img{transform:scale(1.06);}
.media-card__tag{
  position:absolute;left:1.2rem;bottom:1.2rem;display:flex;align-items:center;gap:.5rem;
  background:rgba(4,7,11,.6);backdrop-filter:blur(10px);border:1px solid var(--border);
  padding:.5rem .9rem;border-radius:99px;font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
}
.media-card__tag .dot{width:7px;height:7px;border-radius:50%;background:var(--blue-bright);box-shadow:0 0 10px var(--blue-bright);animation:blink 1.8s ease-in-out infinite;}
@keyframes blink{0%,100%{opacity:1;}50%{opacity:.3;}}

.float-badge{
  position:absolute;top:-1.4rem;right:-1.2rem;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-md);padding:1.1rem 1.3rem;box-shadow:0 20px 50px rgba(0,0,0,.4);
  animation:floatY 5s ease-in-out infinite;max-width:190px;
}
.float-badge strong{display:block;font-family:var(--font-display);font-size:1.3rem;color:var(--blue-bright);}
.float-badge span{font-size:.72rem;color:var(--muted);}
@keyframes floatY{0%,100%{transform:translateY(0);}50%{transform:translateY(-12px);}}

/* ============================================================
   SCENES
   ============================================================ */
.scenes__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem;}
.scene-card{
  position:relative;border-radius:var(--radius-md);overflow:hidden;aspect-ratio:3/4.1;border:1px solid var(--border);
  isolation:isolate;
}
.scene-card img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transform:scale(1.05);transition:transform 1s var(--ease-out), filter .5s ease;filter:saturate(1.05);
}
.scene-card:hover img{transform:scale(1.16);}
.scene-card::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg, rgba(4,7,11,.05) 0%, rgba(4,7,11,.35) 45%, rgba(4,7,11,.96) 100%);
}
.scene-card__content{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:1.4rem;}
.scene-card__tag{
  display:inline-block;font-size:.65rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--blue-bright);border:1px solid rgba(127,220,255,.4);padding:.3rem .7rem;border-radius:99px;
  margin-bottom:.8rem;background:rgba(4,7,11,.45);backdrop-filter:blur(6px);
}
.scene-card__title{font-family:var(--font-display);font-weight:600;font-size:1.15rem;margin:0 0 .4rem;}
.scene-card__desc{
  font-size:.85rem;color:var(--ink-dim);max-height:0;opacity:0;overflow:hidden;
  transition:max-height .5s var(--ease-out), opacity .4s ease, margin .4s ease;
}
.scene-card:hover .scene-card__desc, .scene-card:focus-within .scene-card__desc{max-height:6rem;opacity:1;}

/* ============================================================
   CONTROL SECTION
   ============================================================ */
.control__grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:clamp(2.5rem,5vw,5rem);align-items:center;}
.control__media{position:relative;display:flex;flex-direction:column;align-items:center;}
.control__glowring{position:absolute;width:120%;height:120%;top:-10%;left:-10%;border-radius:50%;
  background:radial-gradient(circle, rgba(46,163,255,.16), transparent 65%);z-index:-1;filter:blur(20px);}

.control__floatbadge{
  display:inline-flex;align-items:center;gap:.55rem;margin-top:1.5rem;padding:.55rem 1rem;border-radius:99px;
  background:var(--surface);border:1px solid var(--border);font-size:.72rem;font-weight:700;
  letter-spacing:.06em;text-transform:uppercase;color:var(--ink-dim);
}
.control__floatbadge .dot{width:7px;height:7px;border-radius:50%;background:var(--blue-bright);box-shadow:0 0 10px var(--blue-bright);animation:blink 1.8s ease-in-out infinite;}

/* ---------- iPhone mockup ---------- */
.phone{
  position:relative;width:min(290px, 72vw);aspect-ratio:9/19.3;border-radius:52px;
  background:linear-gradient(155deg,#333c4a,#12161d 45%,#05070a);
  padding:11px;box-shadow:
    0 0 0 1px rgba(255,255,255,.08) inset,
    0 45px 90px rgba(0,0,0,.55),
    0 0 70px rgba(46,163,255,.2);
  animation:phoneFloat 6s ease-in-out infinite;
}
@keyframes phoneFloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-10px);}}
.phone__side{position:absolute;background:linear-gradient(90deg,#161b23,#080a0d);}
.phone__side--mute{left:-3px;top:18%;width:3px;height:20px;border-radius:2px 0 0 2px;}
.phone__side--vol1{left:-3px;top:25.5%;width:3px;height:36px;border-radius:2px 0 0 2px;}
.phone__side--vol2{left:-3px;top:34.5%;width:3px;height:36px;border-radius:2px 0 0 2px;}
.phone__side--power{right:-3px;top:24%;width:3px;height:48px;border-radius:0 2px 2px 0;}

.phone__screen{
  position:relative;width:100%;height:100%;border-radius:41px;overflow:hidden;
  background:linear-gradient(190deg,#0c111a,#05070b 65%);
  border:1px solid rgba(255,255,255,.06);
  display:flex;flex-direction:column;padding:13px 15px 12px;
}

.phone__statusbar{position:relative;display:flex;align-items:center;justify-content:space-between;flex-shrink:0;height:22px;}
.phone__time{font-size:.72rem;font-weight:700;color:#fff;letter-spacing:.01em;}
.phone__island{position:absolute;left:50%;top:-1px;transform:translateX(-50%);width:64px;height:16px;background:#000;border-radius:99px;}
.phone__status-icons{display:flex;align-items:center;gap:3px;}
.phone__status-icons svg{height:10px;width:auto;fill:#fff;}
.icon-wifi{fill:none;stroke:#fff;}
.icon-battery{opacity:.95;}
.icon-battery rect:first-child{stroke:rgba(255,255,255,.7);fill:none;}
.icon-battery rect:nth-child(2){fill:#fff;}
.icon-battery rect:nth-child(3){fill:rgba(255,255,255,.7);}

.phone__appbar{display:flex;align-items:center;gap:.55rem;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:12px;flex-shrink:0;}
.phone__back{width:14px;height:14px;stroke:#fff;flex-shrink:0;}
.phone__apptitle{flex:1;display:flex;flex-direction:column;gap:2px;min-width:0;}
.phone__apptitle span{font-family:var(--font-display);font-size:.68rem;font-weight:600;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.phone__apptitle em{font-style:normal;font-size:.54rem;color:#57d98c;font-weight:600;}
.phone__power-btn{width:24px;height:24px;border-radius:50%;background:var(--grad-brand);display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 0 10px rgba(46,163,255,.5);}
.phone__power-btn svg{width:12px;height:12px;stroke:#04070b;}

.phone__slides{position:relative;flex:1;min-height:0;}
.phone__slide{
  position:absolute;inset:0;display:flex;flex-direction:column;
  opacity:0;transform:scale(.97);pointer-events:none;
  transition:opacity .55s var(--ease-out), transform .55s var(--ease-out);
}
.phone__slide.is-active{opacity:1;transform:scale(1);pointer-events:auto;}

.phone__section-label{font-size:.58rem;text-transform:uppercase;letter-spacing:.12em;color:#7f8ea3;margin:0 0 10px;flex-shrink:0;}

.phone__wheel-wrap{position:relative;width:132px;height:132px;margin:0 auto 14px;flex-shrink:0;}
.phone__wheel{
  position:absolute;inset:0;border-radius:50%;
  background:conic-gradient(from 180deg, #ff3b3b, #f59e0b, #fde047, #22c55e, #06b6d4, #2ea3ff, #a855f7, #ff3b3b);
  box-shadow:0 0 0 4px rgba(255,255,255,.05), 0 12px 26px rgba(0,0,0,.45), inset 0 0 18px rgba(0,0,0,.3);
}
.phone__wheel-center{
  position:absolute;inset:23%;border-radius:50%;background:#0b0f16;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;
  box-shadow:inset 0 2px 8px rgba(0,0,0,.55);
}
.phone__wheel-hex{font-family:var(--font-display);font-size:.62rem;font-weight:600;color:#fff;}
.phone__wheel-caption{font-size:.52rem;color:var(--blue-bright);}
.phone__wheel-handle{
  position:absolute;top:50%;left:50%;width:18px;height:18px;border-radius:50%;
  background:#2ea3ff;border:3px solid #fff;box-shadow:0 0 12px rgba(46,163,255,.9), 0 2px 6px rgba(0,0,0,.4);
  transform:translate(-50%,-50%) rotate(255deg) translate(50px) rotate(-255deg);
}

.phone__swatches{display:flex;justify-content:center;gap:9px;margin-bottom:14px;flex-shrink:0;}
.phone__swatch{
  width:24px;height:24px;border-radius:50%;background:var(--c);border:2px solid rgba(255,255,255,.18);
  padding:0;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .3s ease;
}
.phone__swatch.is-active{border-color:#fff;box-shadow:0 0 0 3px rgba(46,163,255,.4), 0 0 14px rgba(46,163,255,.65);transform:scale(1.15);}
.phone__swatch svg{width:11px;height:11px;}

.phone__slider{margin-bottom:14px;flex-shrink:0;}
.phone__slider-label{display:flex;justify-content:space-between;font-size:.6rem;color:#9fb0c3;margin-bottom:6px;}
.phone__slider-label b{color:#fff;font-weight:700;}
.phone__slider-track{position:relative;height:5px;border-radius:99px;background:rgba(255,255,255,.09);}
.phone__slider-fill{position:absolute;left:0;top:0;bottom:0;width:82%;border-radius:99px;background:var(--grad-brand);}
.phone__slider-handle{position:absolute;left:82%;top:50%;transform:translate(-50%,-50%);width:14px;height:14px;border-radius:50%;background:#fff;box-shadow:0 2px 6px rgba(0,0,0,.4), 0 0 0 4px rgba(46,163,255,.28);}

.phone__scenes{display:grid;grid-template-columns:1fr 1fr;gap:8px;flex-shrink:0;margin-bottom:12px;}
.phone__scene{
  position:relative;height:58px;border-radius:13px;border:1px solid rgba(255,255,255,.12);
  background:var(--g);display:flex;align-items:flex-end;padding:8px;overflow:hidden;cursor:pointer;
}
.phone__scene::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg, rgba(0,0,0,0) 35%, rgba(0,0,0,.6));}
.phone__scene span:not(.phone__scene-check){position:relative;z-index:1;font-size:.6rem;font-weight:700;color:#fff;text-align:left;}
.phone__scene.is-active{box-shadow:0 0 0 2px var(--blue-bright), 0 0 16px rgba(46,163,255,.55);}
.phone__scene-check{position:absolute;top:6px;right:6px;width:16px;height:16px;border-radius:50%;background:var(--blue-bright);display:flex;align-items:center;justify-content:center;z-index:2;}
.phone__scene-check svg{width:9px;height:9px;}

.phone__livecard{position:relative;flex:1;min-height:0;border-radius:15px;overflow:hidden;border:1px solid rgba(255,255,255,.12);}
.phone__livecard img{width:100%;height:100%;object-fit:cover;}
.phone__livecard::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg, rgba(4,7,11,0) 45%, rgba(4,7,11,.9));}
.phone__live-badge{
  position:absolute;top:10px;left:10px;z-index:2;display:flex;align-items:center;gap:5px;
  background:rgba(4,7,11,.55);backdrop-filter:blur(6px);padding:.3rem .6rem;border-radius:99px;
  font-size:.56rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#fff;
}
.phone__live-badge .dot{width:6px;height:6px;border-radius:50%;background:#ff4646;box-shadow:0 0 8px #ff4646;animation:blink 1.4s ease-in-out infinite;}
.phone__live-caption{position:absolute;left:11px;right:11px;bottom:10px;z-index:2;}
.phone__live-caption strong{display:block;font-family:var(--font-display);font-size:.72rem;font-weight:600;color:#fff;}
.phone__live-caption span{font-size:.58rem;color:var(--blue-bright);}

.phone__tabbar{margin-top:auto;display:flex;justify-content:space-between;padding-top:11px;border-top:1px solid rgba(255,255,255,.08);flex-shrink:0;}
.phone__tab{display:flex;flex-direction:column;align-items:center;gap:3px;color:#576578;flex:1;cursor:pointer;background:none;border:0;font:inherit;transition:color .3s ease;}
.phone__tab svg{width:16px;height:16px;stroke:currentColor;}
.phone__tab span{font-size:.52rem;font-weight:600;}
.phone__tab.is-active{color:var(--blue-bright);}

.phone__dots{display:flex;justify-content:center;gap:7px;margin-top:1.3rem;}
.phone__dot{width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.22);border:0;padding:0;cursor:pointer;transition:all .35s ease;}
.phone__dot.is-active{width:20px;border-radius:99px;background:var(--blue-bright);box-shadow:0 0 8px rgba(46,163,255,.6);}

.control__list{display:grid;gap:1.1rem;margin-top:2rem;}
.control__item{
  display:flex;align-items:flex-start;gap:1rem;padding:1.1rem 1.3rem;border-radius:var(--radius-md);
  background:var(--surface);border:1px solid var(--border-soft);transition:border-color .35s ease, transform .35s ease, background .35s ease;
}
.control__item:hover{border-color:rgba(46,163,255,.4);transform:translateX(6px);background:var(--surface-2);}
.control__icon{
  flex-shrink:0;width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--grad-brand-soft);border:1px solid rgba(127,220,255,.25);
}
.control__icon svg{width:20px;height:20px;stroke:var(--blue-bright);}
.control__item h4{font-family:var(--font-display);font-size:1rem;font-weight:600;margin:0 0 .3rem;}
.control__item p{margin:0;color:var(--ink-dim);font-size:.9rem;}

/* ============================================================
   WHY US
   ============================================================ */
.why__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem;}
.why-card{
  position:relative;padding:2rem 1.6rem;border-radius:var(--radius-md);background:var(--surface);
  border:1px solid var(--border-soft);overflow:hidden;transition:transform .4s var(--ease-out), border-color .4s ease;
}
.why-card:hover{transform:translateY(-8px);border-color:rgba(46,163,255,.4);}
.why-card::before{
  content:"";position:absolute;inset:-1px;border-radius:var(--radius-md);padding:1px;
  background:var(--grad-brand);opacity:0;transition:opacity .4s ease;
  -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.why-card:hover::before{opacity:.5;}
.why-card__num{font-family:var(--font-display);font-weight:800;font-size:2.6rem;color:transparent;-webkit-text-stroke:1.3px rgba(127,220,255,.5);margin-bottom:1rem;display:block;}
.why-card h3{font-family:var(--font-display);font-size:1.05rem;font-weight:600;margin:0 0 .7rem;}
.why-card p{color:var(--ink-dim);font-size:.9rem;margin:0;}

/* ============================================================
   VIDEO SHOWCASE
   ============================================================ */
.video-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.6rem;}
.video-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);box-shadow:var(--glow-lg);aspect-ratio:16/10;}
.video-card video{width:100%;height:100%;object-fit:cover;display:block;}
.video-card__scrim{position:absolute;inset:0;background:linear-gradient(180deg, transparent 55%, rgba(4,7,11,.9) 100%);pointer-events:none;}
.video-card__caption{position:absolute;left:1.4rem;bottom:1.3rem;right:1.4rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;}
.video-card__caption h4{font-family:var(--font-display);font-size:1.05rem;font-weight:600;margin:0;}
.video-card__caption span{font-size:.78rem;color:var(--ink-dim);}
.sound-badge{display:flex;align-items:center;gap:.4rem;font-size:.68rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--blue-bright);border:1px solid rgba(127,220,255,.35);padding:.35rem .7rem;border-radius:99px;background:rgba(4,7,11,.5);backdrop-filter:blur(6px);flex-shrink:0;}

/* ============================================================
   AREAS + STATS
   ============================================================ */
.areas__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin-bottom:clamp(3rem,6vw,4.5rem);}
.area-card{
  padding:2.2rem 1.8rem;border-radius:var(--radius-md);background:linear-gradient(160deg, var(--surface), var(--bg-soft));
  border:1px solid var(--border-soft);transition:transform .4s var(--ease-out), border-color .4s ease;
}
.area-card:hover{transform:translateY(-6px);border-color:rgba(46,163,255,.4);}
.area-card__icon{width:46px;height:46px;border-radius:12px;background:var(--grad-brand-soft);border:1px solid rgba(127,220,255,.3);display:flex;align-items:center;justify-content:center;margin-bottom:1.3rem;}
.area-card__icon svg{width:22px;height:22px;stroke:var(--blue-bright);}
.area-card h3{font-family:var(--font-display);font-size:1.15rem;margin:0 0 .6rem;}
.area-card p{color:var(--ink-dim);font-size:.9rem;margin:0;}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem;border-top:1px solid var(--border-soft);padding-top:clamp(2.5rem,5vw,3.5rem);}
.stat{text-align:center;}
.stat__num{font-family:var(--font-display);font-weight:800;font-size:clamp(2rem,3vw,2.8rem);background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat__label{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;margin-top:.4rem;}

/* ============================================================
   GALLERY
   ============================================================ */
.gallery__grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1.1rem;}
@media (min-width:1081px){
  .gallery__grid > .gallery__item:last-child:nth-child(5n+1){grid-column:1/-1;max-width:calc(20% - .88rem);margin:0 auto;}
}
.gallery__item{position:relative;aspect-ratio:16/9;background:var(--bg-soft);border-radius:var(--radius-md);overflow:hidden;cursor:pointer;border:1px solid var(--border-soft);}
.gallery__item img{width:100%;height:100%;object-fit:contain;transition:transform .8s var(--ease-out), filter .4s ease;}
.gallery__item:hover img{transform:scale(1.12);filter:brightness(1.1);}
.gallery__item::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg, transparent 60%, rgba(4,7,11,.75));
  opacity:0;transition:opacity .4s ease;
}
.gallery__item:hover::after{opacity:1;}
.gallery__item-label{
  position:absolute;left:1rem;bottom:1rem;font-size:.78rem;font-weight:700;letter-spacing:.05em;
  opacity:0;transform:translateY(8px);transition:all .4s ease;z-index:2;
}
.gallery__item:hover .gallery__item-label{opacity:1;transform:translateY(0);}

.expand-icon{position:absolute;top:.9rem;right:.9rem;width:34px;height:34px;border-radius:50%;background:rgba(4,7,11,.55);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;opacity:0;transform:scale(.7);transition:all .4s ease;backdrop-filter:blur(6px);z-index:2;}
.gallery__item:hover .expand-icon{opacity:1;transform:scale(1);}
.expand-icon svg{width:14px;height:14px;stroke:var(--ink);}

/* Lightbox */
.lightbox{
  position:fixed;inset:0;z-index:1000;background:rgba(3,6,10,.94);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;padding:4rem 1.5rem;
  opacity:0;visibility:hidden;transition:opacity .4s ease, visibility .4s ease;
}
.lightbox.is-open{opacity:1;visibility:visible;}
.lightbox img{max-width:min(90vw,1000px);max-height:80vh;border-radius:var(--radius-md);border:1px solid var(--border);box-shadow:0 30px 100px rgba(0,0,0,.6);transform:scale(.92);transition:transform .4s var(--ease-out);}
.lightbox.is-open img{transform:scale(1);}
.lightbox__close, .lightbox__nav{
  position:absolute;background:rgba(13,19,28,.7);border:1px solid var(--border);border-radius:50%;
  width:46px;height:46px;display:flex;align-items:center;justify-content:center;transition:all .3s ease;
}
.lightbox__close:hover, .lightbox__nav:hover{border-color:var(--blue-bright);box-shadow:var(--glow-sm);}
.lightbox__close{top:1.5rem;right:1.5rem;}
.lightbox__close svg{width:18px;height:18px;stroke:var(--ink);}
.lightbox__nav svg{width:20px;height:20px;stroke:var(--ink);}
.lightbox__nav--prev{left:1.5rem;top:50%;transform:translateY(-50%);}
.lightbox__nav--next{right:1.5rem;top:50%;transform:translateY(-50%);}

/* ============================================================
   FAQ
   ============================================================ */
.faq{max-width:840px;margin:0 auto;}
.faq-item{border-top:1px solid var(--border-soft);}
.faq-item:last-child{border-bottom:1px solid var(--border-soft);}
.faq-item__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:1.5rem;
  padding:1.6rem 0;background:none;border:0;color:var(--ink);text-align:left;
  font-family:var(--font-display);font-size:1.02rem;font-weight:500;
}
.faq-item__q:hover{color:var(--blue-bright);}
.faq-item__icon{flex-shrink:0;width:30px;height:30px;border-radius:50%;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;position:relative;transition:transform .4s var(--ease-out), border-color .3s ease;}
.faq-item__icon::before, .faq-item__icon::after{content:"";position:absolute;background:var(--ink);border-radius:2px;transition:transform .3s ease, opacity .3s ease;}
.faq-item__icon::before{width:11px;height:1.5px;}
.faq-item__icon::after{width:1.5px;height:11px;}
.faq-item.is-open .faq-item__icon{transform:rotate(180deg);border-color:var(--blue-bright);}
.faq-item.is-open .faq-item__icon::after{opacity:0;}
.faq-item__a{max-height:0;overflow:hidden;transition:max-height .5s var(--ease-out);}
.faq-item__a p{margin:0 0 1.6rem;color:var(--ink-dim);max-width:64ch;font-size:.95rem;}

/* ============================================================
   QUOTE / CONTACT
   ============================================================ */
.quote__grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:clamp(2.5rem,5vw,4.5rem);align-items:start;}
.quote-info{position:sticky;top:7rem;min-width:0;}
.info-card{background:var(--surface);border:1px solid var(--border-soft);border-radius:var(--radius-md);padding:1.6rem 1.8rem;margin-bottom:1rem;display:flex;align-items:center;gap:1rem;transition:border-color .3s ease, transform .3s ease;}
.info-card:hover{border-color:rgba(46,163,255,.4);transform:translateX(4px);}
.info-card__icon{width:44px;height:44px;border-radius:12px;background:var(--grad-brand-soft);border:1px solid rgba(127,220,255,.3);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--blue-bright);}
.info-card__icon svg{width:20px;height:20px;stroke:var(--blue-bright);}
.info-card div p{margin:0;}
.info-card__label{font-size:.72rem;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:.25rem !important;}
.info-card__value{font-family:var(--font-display);font-weight:600;font-size:1rem;}

.quote-form{background:var(--surface);border:1px solid var(--border-soft);border-radius:var(--radius-lg);padding:clamp(1.8rem,4vw,2.6rem);min-width:0;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;}
.field{position:relative;margin-bottom:1.2rem;}
.field.full{grid-column:1/-1;}
.field label{display:block;font-size:.78rem;font-weight:700;letter-spacing:.04em;color:var(--ink-dim);margin-bottom:.55rem;text-transform:uppercase;}
.field input, .field select, .field textarea{
  width:100%;background:var(--bg-soft);border:1px solid var(--border);border-radius:12px;padding:.9rem 1rem;
  color:var(--ink);transition:border-color .3s ease, box-shadow .3s ease;
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline:none;border-color:var(--blue);box-shadow:0 0 0 4px rgba(46,163,255,.15);
}
.field textarea{resize:vertical;min-height:110px;}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%237fdcff' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1rem center;padding-right:2.4rem;}

.checkbox-group{display:flex;flex-wrap:wrap;gap:.7rem;}
.checkbox-pill{position:relative;}
.checkbox-pill input{position:absolute;opacity:0;width:100%;height:100%;cursor:pointer;margin:0;}
.checkbox-pill span{
  display:inline-block;padding:.6rem 1.1rem;border-radius:99px;border:1px solid var(--border);
  font-size:.82rem;font-weight:600;color:var(--ink-dim);transition:all .3s ease;
}
.checkbox-pill input:checked + span{background:var(--grad-brand-soft);border-color:rgba(46,163,255,.6);color:var(--ink);box-shadow:var(--glow-sm);}
.checkbox-pill input:focus-visible + span{outline:2px solid var(--blue-bright);outline-offset:2px;}

.form-note{font-size:.8rem;color:var(--muted);margin-top:1rem;text-align:center;}
.form-success{
  display:none;align-items:center;gap:.8rem;background:rgba(46,163,255,.1);border:1px solid rgba(46,163,255,.4);
  border-radius:12px;padding:1rem 1.2rem;margin-top:1.2rem;font-size:.88rem;color:var(--blue-bright);
}
.form-success.is-visible{display:flex;}
.form-success svg{width:20px;height:20px;stroke:var(--blue-bright);flex-shrink:0;}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{position:relative;z-index:1;border-top:1px solid var(--border-soft);padding:clamp(3.5rem,7vw,5rem) 0 2rem;background:var(--bg-soft);}
.footer__grid{display:grid;grid-template-columns:1.3fr .8fr .8fr 1fr;gap:2.5rem;margin-bottom:3rem;}
.footer__brand{display:flex;align-items:center;gap:.8rem;margin-bottom:1.1rem;}
.footer__brand img{width:44px;height:44px;}
.footer__brand-text{font-family:var(--font-display);font-weight:700;font-size:1rem;}
.footer__brand-text span{display:block;font-family:var(--font-body);font-weight:600;font-size:.62rem;letter-spacing:.2em;color:var(--blue-bright);text-transform:uppercase;margin-top:.2rem;}
.footer p.lead{color:var(--ink-dim);font-size:.9rem;max-width:34ch;}
.footer h5{font-family:var(--font-display);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);margin:0 0 1.2rem;}
.footer__col ul{display:flex;flex-direction:column;gap:.8rem;}
.footer__col a{font-size:.9rem;color:var(--ink-dim);transition:color .3s ease;}
.footer__col a:hover{color:var(--blue-bright);}
.footer__social{display:flex;gap:.8rem;margin-top:1.4rem;}
.footer__social a{width:40px;height:40px;border-radius:50%;border:1px solid var(--border);background:var(--surface);display:flex;align-items:center;justify-content:center;color:var(--ink-dim);transition:all .3s ease;}
.footer__social a:hover{border-color:rgba(46,163,255,.55);box-shadow:var(--glow-sm);transform:translateY(-3px);color:var(--blue-bright);}
.footer__social svg{width:17px;height:17px;stroke:currentColor;fill-opacity:1;}
.footer__bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem;padding-top:2rem;border-top:1px solid var(--border-soft);font-size:.8rem;color:var(--muted);}

/* ---------- Back to top ---------- */
.back-to-top{
  position:fixed;right:1.6rem;bottom:1.6rem;z-index:400;width:48px;height:48px;border-radius:50%;
  background:var(--surface);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(12px);transition:all .4s var(--ease-out);
}
.back-to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.back-to-top:hover{border-color:var(--blue-bright);box-shadow:var(--glow-sm);transform:translateY(-4px);}
.back-to-top svg{width:18px;height:18px;stroke:var(--ink);}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1080px){
  .system__grid, .control__grid{grid-template-columns:1fr;}
  .system__media{order:-1;}
  .control__media{margin-bottom:1rem;}
  .why__grid{grid-template-columns:repeat(2,1fr);}
  .scenes__grid{grid-template-columns:repeat(2,1fr);}
  .areas__grid{grid-template-columns:1fr;}
  .stats{grid-template-columns:repeat(2,1fr);row-gap:2rem;}
  .footer__grid{grid-template-columns:1fr 1fr;}
  .gallery__grid{grid-template-columns:repeat(3,1fr);}
  .gallery__grid > .gallery__item:last-child:nth-child(3n+1){grid-column:1/-1;max-width:calc(33.33% - .73rem);margin:0 auto;}
}

@media (max-width:1360px){
  .nav__links{display:none;}
  .nav__phone span{display:none;}
  .nav__actions .btn--primary{display:none;}
  .hamburger{display:flex;}
}

@media (max-width:860px){
  .quote__grid{grid-template-columns:1fr;}
  .quote-info{position:static;}
  .video-grid{grid-template-columns:1fr;}
}

@media (max-width:400px){
  .nav__phone{display:none;}
}

@media (max-width:430px){
  .nav__brand img{width:40px;height:40px;}
  .nav__brand-text{font-size:.98rem;max-width:46vw;}
  .nav__inner{gap:.75rem;}
}

@media (max-width:640px){
  #system{padding-bottom:3rem;}
  #scenes{padding-top:3rem;}
  .float-badge{right:.5rem;max-width:150px;padding:.9rem 1rem;}
  .why__grid{grid-template-columns:1fr;}
  .scenes__grid{grid-template-columns:1fr 1fr;}
  .gallery__grid{grid-template-columns:repeat(2,1fr);}
  .gallery__grid > .gallery__item:last-child:nth-child(2n+1){grid-column:1/-1;max-width:calc(50% - .55rem);margin:0 auto;}
  .form-grid{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr 1fr;}
  .footer__grid{grid-template-columns:1fr;gap:2rem;}
  .lightbox__nav{width:38px;height:38px;}
  .lightbox__close{width:38px;height:38px;top:1rem;right:1rem;}

  /* Hero: zoomed-out, centered, locked (no parallax) background with better text contrast */
  .hero__bg img{
    object-position:center;
    transform:scale(1) !important;
  }
  .hero__scrim{
    backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);
    background:
      linear-gradient(180deg, rgba(3,6,10,.72) 0%, rgba(3,6,10,.6) 30%, rgba(4,7,11,.72) 62%, rgba(4,7,11,.98) 100%),
      linear-gradient(90deg, rgba(3,6,10,.4), transparent 50%, rgba(3,6,10,.4));
  }

  /* Hero stats: neat, evenly spaced 3-column layout instead of a cramped wrap */
  .hero__meta{
    display:grid;grid-template-columns:repeat(3,1fr);gap:.75rem;
    padding:1.1rem .5rem;border-radius:var(--radius-md);
    background:rgba(13,19,28,.55);border:1px solid var(--border-soft);backdrop-filter:blur(6px);
  }
  .hero__meta-item{flex-direction:column;align-items:flex-start;gap:.3rem;}
  .hero__meta-num{font-size:1.25rem;}
  .hero__meta-label{font-size:.64rem;letter-spacing:.06em;}

  /* App Control: heading first, phone preview after on mobile */
  .control__grid{display:flex;flex-direction:column;}
  .control__grid .control__media{order:2;margin-top:2rem;}
  .control__grid > div:not(.control__media){order:1;}

  /* Give the taller stats panel room — the scroll cue is a desktop-only nicety */
  .scroll-cue{display:none;}
}

@media (max-width:420px){
  .scenes__grid{grid-template-columns:1fr;}
  .btn{padding:.9rem 1.5rem;font-size:.84rem;}
}