/* ==========================================================================
   Walltron Solar — shared stylesheet
   Evolves the Walltron design system (Figtree, teal/indigo tokens, glassy
   header, rounded cards, panning photo bands, dark bands, FAQ accordion)
   into a photo-forward solar identity with one warm sun/gold accent.
   ========================================================================== */

:root{
  --c1:#6779E8;          /* indigo */
  --c2:#10D1A2;          /* teal   */
  --c3:#1AE5B4;          /* bright teal */
  --c4:#1E1E1E;          /* ink    */
  --c5:#F5F7FD;          /* paper  */
  --c6:#69C0FF;          /* sky    */
  --grey:#EAEEF5;
  --sand:#D4CCBA;
  --sun:#F5A623;         /* warm solar accent — used sparingly */
  --sun-deep:#C77A12;    /* accessible amber for text on light */
  --ink-indigo:#4750C7;  /* accessible indigo for kickers / links on light */
  --hero-ink:#15171d;    /* hero copy panel base */
  --muted:rgba(30,30,30,.70);
  --shadow-sm:0 8px 24px rgba(15,23,42,.06);
  --shadow-md:0 14px 34px rgba(15,23,42,.10);
  --shadow-lg:0 22px 50px rgba(15,23,42,.16);
  --r-lg:34px;
  --r-md:26px;
  --r-sm:18px;
}

/* ---------- base ---------- */
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:clip}
body{
  margin:0;
  font-family:'Figtree', Arial, Helvetica, sans-serif;
  color:var(--c4);
  background:var(--c5);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
h1,h2,h3,h4,p{margin:0}
a{color:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.container-wide{max-width:1440px;margin:0 auto;padding:0 24px}

/* ---------- accessibility helpers ---------- */
.skip-link{
  position:absolute;left:16px;top:-60px;z-index:200;
  background:var(--c4);color:#fff;padding:12px 18px;border-radius:12px;
  font-weight:600;text-decoration:none;transition:top .2s ease;
}
.skip-link:focus{top:16px}

:focus-visible{
  outline:3px solid var(--c1);
  outline-offset:3px;
  border-radius:6px;
}
.on-dark :focus-visible,
.hero-copy :focus-visible,
.stats :focus-visible,
.wide-band :focus-visible,
.about :focus-visible,
.contact :focus-visible,
.footer :focus-visible{
  outline-color:var(--c3);
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:15px 24px;border-radius:999px;text-decoration:none;font-weight:700;
  font-size:16px;line-height:1.1;border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease, box-shadow .22s ease, background-color .22s ease, border-color .22s ease;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(0,0,0,.16)}
.btn-primary{background:var(--c2);color:var(--c4)}
.btn-primary:hover{background:var(--c3)}
.btn-secondary{
  color:#fff;border-color:rgba(255,255,255,.45);background:rgba(255,255,255,.08);
}
.btn-secondary:hover{background:rgba(255,255,255,.16)}
.btn-dark{background:var(--c4);color:#fff}
.btn-dark:hover{background:#000}
.btn-light{background:#fff;color:var(--c4);border-color:rgba(30,30,30,.10)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  background:rgba(255,255,255,.80);
  border-bottom:1px solid rgba(30,30,30,.07);
}
.header-inner{
  max-width:1280px;margin:0 auto;padding:13px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none;flex:0 0 auto}
.brand img{height:38px;width:auto;display:block}
.header-right{display:flex;align-items:center;gap:20px;flex-wrap:wrap;justify-content:flex-end}
.main-nav{display:flex;align-items:center;gap:22px;flex-wrap:wrap;justify-content:flex-end}
.main-nav a{
  color:var(--c4);text-decoration:none;font-size:15px;font-weight:600;opacity:.82;
  transition:opacity .2s ease, color .2s ease;
}
.main-nav a:hover{opacity:1;color:var(--ink-indigo)}
.header-cta{padding:11px 18px;font-size:14px;white-space:nowrap;box-shadow:none}
.lang-switcher{
  display:inline-flex;align-items:center;gap:4px;padding:4px;border-radius:999px;
  background:rgba(30,30,30,.06);border:1px solid rgba(30,30,30,.08);flex:0 0 auto;
}
.lang-link{
  display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:34px;
  padding:0 12px;border-radius:999px;text-decoration:none;font-size:13px;font-weight:700;
  letter-spacing:.06em;color:var(--c4);opacity:.72;transition:all .2s ease;
}
.lang-link:hover{opacity:1}
.lang-link.active{background:var(--c4);color:#fff;opacity:1;box-shadow:0 6px 14px rgba(0,0,0,.12)}

/* ---------- division identity (Solar ⇄ BESS) ----------
   Each division carries its own energy color: Solar = amber sun,
   BESS = the original Walltron indigo. The wordmark under the logo
   states where you are; the switcher moves you to the other branch. */
.brand-cluster{display:flex;align-items:center;gap:18px;flex:0 0 auto}
.brand{flex-direction:column;align-items:flex-start;gap:4px}
.brand-division{
  font-size:10px;font-weight:700;letter-spacing:.34em;text-transform:uppercase;
  color:var(--sun-deep);line-height:1;padding-left:2px;
}
.division-switcher{
  display:inline-flex;align-items:center;gap:4px;padding:4px;border-radius:999px;
  background:rgba(30,30,30,.06);border:1px solid rgba(30,30,30,.08);flex:0 0 auto;
}
.division-link{
  display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 14px;
  border-radius:999px;text-decoration:none;font-size:13px;font-weight:700;
  letter-spacing:.04em;color:var(--c4);opacity:.72;
  transition:opacity .2s ease, background-color .2s ease, color .2s ease, box-shadow .2s ease;
}
.division-link:hover{opacity:1}
.division-link svg{width:13px;height:13px;flex:0 0 auto}
.division-link.active{
  opacity:1;color:var(--c4);
  background:linear-gradient(135deg,#FFD27A,var(--sun));
  box-shadow:0 6px 14px rgba(245,166,35,.35);
}

/* mobile nav toggle — hidden on desktop, shown ≤640px (see responsive block) */
.nav-toggle{
  display:none;flex:0 0 auto;width:44px;height:44px;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  background:rgba(30,30,30,.06);border:1px solid rgba(30,30,30,.10);
  border-radius:12px;cursor:pointer;
}
.nav-toggle-bar{
  display:block;width:20px;height:2px;border-radius:2px;background:var(--c4);
  transition:transform .25s ease, opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- shared section heads ---------- */
.kicker{
  display:inline-flex;align-items:center;gap:9px;
  color:var(--ink-indigo);font-weight:700;text-transform:uppercase;
  letter-spacing:.16em;font-size:13px;margin-bottom:14px;
}
.kicker::before{
  content:"";width:9px;height:9px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%, #FFD27A, var(--sun));
  box-shadow:0 0 0 4px rgba(245,166,35,.16);
}
.kicker.on-dark{color:#A6B1FF}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(32px,4.6vw,54px);line-height:1.03;letter-spacing:-.035em}
.section-head p{margin-top:16px;font-size:19px;color:var(--muted)}

/* ---------- hero (editorial split) ---------- */
.hero{
  position:relative;overflow:hidden;
  background:radial-gradient(120% 120% at 0% 0%, #1c2333 0%, var(--hero-ink) 55%);
}
.hero-grid{
  max-width:1440px;margin:0 auto;
  display:grid;grid-template-columns:1.04fr .96fr;align-items:stretch;
  min-height:clamp(560px,78vh,760px);
}
.hero-copy{
  position:relative;z-index:2;color:#fff;
  padding:clamp(64px,8vh,104px) clamp(28px,5vw,72px);
  display:flex;flex-direction:column;justify-content:center;
}
.hero-copy::before{        /* amber sun-glow echoing golden hour */
  content:"";position:absolute;right:-80px;top:8%;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle, rgba(245,166,35,.26) 0%, rgba(245,166,35,.06) 40%, rgba(245,166,35,0) 70%);
  filter:blur(8px);pointer-events:none;z-index:-1;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;align-self:flex-start;
  padding:9px 16px;border-radius:999px;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.30);color:#fff;font-weight:600;font-size:14px;
  letter-spacing:.02em;margin-bottom:22px;backdrop-filter:blur(8px);
  animation:fadeUp .9s ease both;
}
.eyebrow::before{
  content:"";width:9px;height:9px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%, #FFE2A6, var(--sun));
}
.hero h1{
  font-size:clamp(40px,5.4vw,66px);line-height:1.0;font-weight:700;letter-spacing:-.035em;
  max-width:14ch;color:#fff;animation:fadeUp 1s ease .08s both;
}
.hero .lead{
  color:rgba(255,255,255,.90);font-size:clamp(17px,1.5vw,21px);max-width:46ch;margin-top:22px;
  animation:fadeUp 1s ease .16s both;
}
.hero-buttons{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px;animation:fadeUp 1s ease .24s both}
.hero-meta{
  margin-top:26px;display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;
  font-size:14px;font-weight:600;color:rgba(255,255,255,.72);
  animation:fadeUp 1s ease .32s both;
}
.hero-meta span{display:inline-flex;align-items:center;gap:10px}
.hero-meta span+span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--c3);margin-right:8px}
.hero-media{position:relative;overflow:hidden;min-height:380px;background:#0f1117}
.hero-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 38%}
.hero-media::after{        /* blend seam into the copy panel + warm top light */
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(90deg, var(--hero-ink) 0%, rgba(21,23,29,.35) 14%, rgba(21,23,29,0) 34%),
    linear-gradient(0deg, rgba(15,17,23,.35) 0%, rgba(15,17,23,0) 30%),
    linear-gradient(180deg, rgba(245,166,35,.10) 0%, rgba(245,166,35,0) 30%);
}

/* ---------- stats strip (dark, count-up) ---------- */
.stats{
  position:relative;overflow:hidden;background:#1b1f26;color:#fff;padding:64px 0;
}
.stats::before{
  content:"";position:absolute;right:-50px;top:-10px;width:380px;height:170px;
  background:url('motif-powerlines.svg') center/contain no-repeat;opacity:.16;pointer-events:none;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative;z-index:1}
.stat{
  padding:26px 24px;border-radius:var(--r-md);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);
  backdrop-filter:blur(8px);
}
.stat-value{
  font-size:clamp(38px,4.6vw,52px);line-height:1;font-weight:700;letter-spacing:-.04em;
  color:#fff;display:block;
}
.stat-value .accent{color:var(--c3)}
.stat-label{display:block;margin-top:12px;font-size:15px;color:rgba(255,255,255,.74)}
.stat::after{content:"";display:block;width:40px;height:3px;border-radius:3px;margin-top:18px;
  background:linear-gradient(90deg,var(--c2),var(--sun))}

/* ---------- generic light section ---------- */
.section{padding:88px 0}
.section.tint{background:linear-gradient(180deg,#FFFFFF 0%, #F2F5FB 100%)}
.section.paper{background:var(--c5)}

/* ---------- services ---------- */
.svc-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.svc-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);background:#fff;
  border:1px solid rgba(30,30,30,.06);box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform .25s ease, box-shadow .25s ease;
}
.svc-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.svc-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#dfe6f2}
.svc-media img,.svc-media video{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.svc-card:hover .svc-media img{transform:scale(1.05)}
.svc-media::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.20),transparent 55%)}
.svc-body{padding:30px;display:flex;flex-direction:column;gap:12px;flex:1}
.svc-body h3{font-size:28px;font-weight:700;letter-spacing:-.02em}
.svc-body p{color:var(--muted);font-size:17px}
.svc-tag{
  position:absolute;left:18px;top:18px;z-index:2;padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--c4);font-size:13px;font-weight:700;
  letter-spacing:.04em;box-shadow:0 6px 16px rgba(0,0,0,.12);
}
/* EV add-on card — visually lighter, secondary to the two PV services */
.svc-ev{
  grid-column:1 / -1;display:grid;grid-template-columns:auto 1fr;gap:26px;align-items:center;
  padding:30px 34px;border-radius:var(--r-lg);
  background:linear-gradient(135deg,#F4F6FC 0%, #EAF0FB 100%);
  border:1px dashed rgba(103,121,232,.35);box-shadow:none;
}
.svc-ev:hover{transform:none;box-shadow:var(--shadow-sm)}
.svc-ev .ev-icon{
  width:72px;height:72px;border-radius:20px;display:flex;align-items:center;justify-content:center;
  background:#fff;color:var(--ink-indigo);box-shadow:var(--shadow-sm);flex:0 0 auto;
}
.svc-ev .ev-icon svg{width:36px;height:36px}
.svc-ev h3{font-size:24px;font-weight:700;letter-spacing:-.02em}
.svc-ev p{color:var(--muted);font-size:16px;margin-top:8px;max-width:62ch}

/* ---------- references ---------- */
.ref-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ref-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);background:#fff;
  border:1px solid rgba(30,30,30,.06);box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;transition:transform .25s ease, box-shadow .25s ease;
}
.ref-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.ref-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:#dfe6f2}
.ref-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.ref-card:hover .ref-media img{transform:scale(1.05)}
.ref-media::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.28),transparent 52%)}
.ref-badge{
  position:absolute;right:16px;top:16px;z-index:2;padding:9px 15px;border-radius:999px;
  background:var(--c2);color:var(--c4);font-size:14px;font-weight:700;letter-spacing:-.01em;
  box-shadow:0 8px 18px rgba(0,0,0,.18);
}
.ref-body{padding:26px 26px 30px;display:flex;flex-direction:column;gap:10px;flex:1}
.ref-name{display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.ref-name h3{font-size:26px;font-weight:700;letter-spacing:-.02em}
.ref-kind{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--ink-indigo)}
.ref-body p{color:var(--muted);font-size:16px}

/* ---------- wide animated photo / video band ---------- */
.wide-band{position:relative;overflow:hidden;min-height:480px;background:#0f1117;margin-top:48px;border-radius:var(--r-lg)}
.wide-bg-video,.wide-bg-img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  background-position:center;background-size:cover;will-change:transform;
  transform:translate3d(0,0,0) scale(1.02);animation:panSlow 30s ease-in-out infinite alternate;z-index:0;
}
.wide-overlay{
  position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    linear-gradient(90deg, rgba(15,17,23,.82) 0%, rgba(15,17,23,.45) 46%, rgba(15,17,23,.10) 100%),
    linear-gradient(180deg, rgba(103,121,232,.16), rgba(16,209,162,.10));
}
.wide-content{position:relative;z-index:2;min-height:480px;display:flex;align-items:center;padding:56px 0}
.wide-copy{max-width:560px;color:#fff}
.wide-copy h2{font-size:clamp(30px,4vw,46px);line-height:1.04;letter-spacing:-.035em;margin-top:8px}
.wide-copy p{margin-top:16px;font-size:18px;color:rgba(255,255,255,.90);max-width:48ch}
.wide-note{
  position:absolute;right:22px;bottom:22px;z-index:3;display:inline-flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.22);
  color:#fff;border-radius:14px;padding:10px 14px;font-size:13px;font-weight:600;
  backdrop-filter:blur(10px);
}
.wide-note .dot{width:8px;height:8px;border-radius:50%;background:var(--c3);box-shadow:0 0 0 4px rgba(26,229,180,.22)}

/* ---------- process ---------- */
.process{position:relative;overflow:hidden;background:linear-gradient(180deg,#F7F8FB 0%, #ECEFF5 100%);padding:88px 0}
.process::after{
  content:"";position:absolute;right:-70px;top:60px;width:440px;height:190px;
  background:url('motif-powerlines.svg') center/contain no-repeat;opacity:.22;pointer-events:none;
}
/* Each step is a card pairing its photograph with its copy; the amber
   index badge bridges the two. Numbering here encodes a real sequence. */
.proc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:8px}
.proc-step{
  position:relative;background:#fff;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(30,30,30,.06);box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform .25s ease, box-shadow .25s ease;
}
.proc-step:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.proc-media{position:relative;aspect-ratio:3/2;overflow:hidden;background:#dfe6f2}
.proc-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.proc-step:hover .proc-media img{transform:scale(1.05)}
.proc-media::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.16),transparent 48%)}
.proc-copy{position:relative;padding:36px 26px 28px;flex:1}
.step-index{
  position:absolute;left:20px;top:-27px;width:48px;height:48px;border-radius:999px;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:19px;
  color:var(--c4);background:radial-gradient(circle at 35% 30%, #FFD27A, var(--sun));
  box-shadow:0 8px 18px rgba(245,166,35,.30);border:3px solid #fff;
}
.proc-copy h3{font-size:23px;letter-spacing:-.02em}
.proc-copy p{margin-top:8px;color:var(--muted);font-size:16px}
.proc-note{margin-top:16px;text-align:right;font-size:13px;color:rgba(30,30,30,.45)}

/* ---------- about ---------- */
.about{padding:88px 0;background:#111}
.about-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:linear-gradient(135deg,#232323 0%, #313131 100%);color:#fff;
  display:grid;grid-template-columns:1.06fr .94fr;min-height:480px;
  box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.05);
}
.about-copy{position:relative;z-index:2;padding:clamp(34px,4vw,52px)}
.about-chip{
  display:inline-flex;align-items:center;gap:9px;padding:8px 14px;border-radius:999px;background:#171717;
  color:#fff;font-size:13px;font-weight:700;letter-spacing:.04em;margin-bottom:20px;
  border:1px solid rgba(255,255,255,.08);
}
.about-chip .dot{width:9px;height:9px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#FFD27A,var(--sun))}
.about-title{font-size:clamp(30px,3.4vw,44px);line-height:1.04;letter-spacing:-.035em;font-weight:700;margin-bottom:20px;max-width:18ch}
.about-text p{margin:0 0 14px;font-size:16px;line-height:1.62;color:rgba(255,255,255,.88);max-width:58ch}
.about-text p:last-child{margin-bottom:0}
.about-visual{position:relative;min-height:480px;overflow:hidden}
.about-visual::before{
  content:"";position:absolute;left:0;top:0;width:60%;height:100%;z-index:1;
  background:linear-gradient(135deg, rgba(16,209,162,.16) 0%, rgba(245,166,35,.08) 55%, rgba(16,209,162,0) 80%);
}
.about-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center top;z-index:0}
.about-person{position:absolute;left:26px;bottom:24px;z-index:2;color:#fff;text-shadow:0 2px 12px rgba(0,0,0,.5)}
.about-person .name{font-size:20px;font-weight:700;letter-spacing:-.02em;line-height:1.1}
.about-person .role{font-size:14px;color:rgba(255,255,255,.85);margin-top:4px}

/* ---------- faq ---------- */
.faq{position:relative;overflow:hidden;background:#EEF2F7;padding:88px 0}
.faq::after{
  content:"";position:absolute;right:-80px;bottom:36px;width:440px;height:210px;
  background:url('motif-powerlines.svg') center/contain no-repeat;opacity:.20;pointer-events:none;
}
.faq::before{
  content:"";position:absolute;left:-40px;top:26px;width:300px;height:130px;
  background:url('motif-swoosh.svg') center/contain no-repeat;opacity:.14;transform:rotate(-6deg);pointer-events:none;
}
.faq-wrap{display:grid;grid-template-columns:.86fr 1.14fr;gap:34px;align-items:start;position:relative;z-index:1}
.faq-copy h2{font-size:clamp(30px,4vw,50px);line-height:1.04;letter-spacing:-.035em}
.faq-copy p{margin-top:16px;font-size:18px;color:var(--muted);max-width:42ch}
.faq-list{display:grid;gap:14px}
.faq-item{background:#fff;border-radius:var(--r-md);box-shadow:var(--shadow-sm);overflow:hidden}
.faq-question{
  width:100%;border:0;background:#fff;padding:22px 24px;text-align:left;cursor:pointer;font:inherit;
  color:var(--c4);display:flex;align-items:center;justify-content:space-between;gap:18px;
}
.faq-question h3{font-size:20px;letter-spacing:-.02em;font-weight:700;margin:0}
.faq-icon{
  flex:0 0 auto;width:36px;height:36px;border-radius:999px;background:rgba(103,121,232,.10);
  color:var(--ink-indigo);display:flex;align-items:center;justify-content:center;font-size:24px;line-height:1;
  transition:transform .25s ease, background-color .25s ease, color .25s ease;
}
/* Answers are open by default so content is fully accessible without JS;
   the collapse/accordion behaviour is layered on only when JS is active. */
.faq-answer{display:grid;grid-template-rows:1fr}
.faq-answer-inner{overflow:hidden}
.faq-answer p{padding:0 24px 22px;color:var(--muted);margin:0;font-size:16px}
.js .faq-answer{grid-template-rows:0fr;transition:grid-template-rows .28s ease}
.js .faq-item.open .faq-answer{grid-template-rows:1fr}
.faq-item.open .faq-icon{transform:rotate(45deg);background:rgba(16,209,162,.18);color:#0c9c79}
/* without JS the +/× toggle does nothing, so hide it (answers already show) */
html:not(.js) .faq-icon{display:none}

/* ---------- contact ---------- */
.contact{background:#EEF2F7;padding:0 0 88px}
.contact-box{
  background:linear-gradient(135deg,var(--c4),#2b2b2b);border-radius:var(--r-lg);color:#fff;
  padding:clamp(34px,4vw,54px);display:grid;grid-template-columns:1.04fr .96fr;gap:34px;align-items:start;
  box-shadow:var(--shadow-lg);position:relative;overflow:hidden;
}
.contact-box::before{
  content:"";position:absolute;right:-90px;top:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle, rgba(245,166,35,.18) 0%, rgba(245,166,35,0) 70%);pointer-events:none;
}
.contact-copy h2{font-size:clamp(30px,4vw,48px);line-height:1.03;letter-spacing:-.03em}
.contact-copy p{max-width:46ch;color:rgba(255,255,255,.78);font-size:18px;margin-top:14px}
.contact-actions{margin-top:26px;display:flex;gap:14px;flex-wrap:wrap}
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.contact-item{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10);border-radius:var(--r-sm);
  padding:18px;backdrop-filter:blur(8px);
}
.contact-item strong{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.14em;color:rgba(255,255,255,.60);margin-bottom:8px}
.contact-item a,.contact-item span{color:#fff;font-size:17px;text-decoration:none;word-break:break-word}
.contact-item a:hover{color:var(--c3)}

/* ---------- footer ---------- */
.footer{background:#161616;color:rgba(255,255,255,.78);padding:46px 0}
.footer-grid{display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:32px;align-items:start}
.footer-brand img{height:46px;width:auto;margin-bottom:14px}
.footer-brand p{max-width:38ch;color:rgba(255,255,255,.62);font-size:15px}
.footer-col h4{color:#fff;font-size:13px;text-transform:uppercase;letter-spacing:.14em;margin-bottom:14px}
.footer-list{display:grid;gap:8px;font-size:15px;color:rgba(255,255,255,.66)}
.footer-list a{color:rgba(255,255,255,.66);text-decoration:none}
.footer-list a:hover{color:var(--c3)}
.footer-bottom{
  margin-top:30px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:14px;color:rgba(255,255,255,.5);
}

/* ---------- scroll reveal (only when JS active) ---------- */
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease, transform .7s ease}
.js .reveal.is-visible{opacity:1;transform:none}

/* ---------- keyframes ---------- */
@keyframes fadeUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
@keyframes panSlow{0%{transform:translate3d(-0.6%,0,0) scale(1.02)}100%{transform:translate3d(0.6%,0,0) scale(1.05)}}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width:1000px){
  .hero-grid{grid-template-columns:1fr;min-height:0}
  .hero-copy{padding:64px 28px 56px}
  .hero-media{min-height:clamp(300px,46vw,460px)}
  .hero-media img{object-position:center 42%}
  .hero-media::after{
    background:
      linear-gradient(0deg, rgba(15,17,23,.55) 0%, rgba(15,17,23,0) 38%),
      linear-gradient(180deg, rgba(245,166,35,.10) 0%, rgba(245,166,35,0) 30%);
  }
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .svc-grid{grid-template-columns:1fr}
  .ref-grid{grid-template-columns:1fr 1fr}
  .proc-grid{grid-template-columns:1fr;max-width:560px}
  .proc-media{aspect-ratio:16/9}
  .about-card{grid-template-columns:1fr}
  .about-visual{min-height:420px;order:-1}
  .about-visual::before{width:100%;height:55%}
  .faq-wrap{grid-template-columns:1fr}
  .contact-box{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .container,.container-wide{padding:0 18px}
  .section{padding:62px 0}
  .process,.about,.faq{padding:62px 0}
  .header-inner{padding:11px 16px;gap:12px;flex-wrap:wrap}
  .brand img{height:30px}
  /* On phones, when JS is active, the inline nav becomes a hamburger that
     toggles a full-width dropdown panel (wired in main.js). Without JS the
     nav simply stays visible inline (it wraps) so every link still works. */
  .js .nav-toggle{display:inline-flex}
  .js .main-nav{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(255,255,255,.98);
    backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
    border-top:1px solid rgba(30,30,30,.07);
    box-shadow:0 18px 30px rgba(15,23,42,.14);
    padding:6px 16px 12px;
  }
  .js .main-nav.is-open{display:flex}
  .js .main-nav a{opacity:1;font-size:16px;padding:13px 4px;border-bottom:1px solid rgba(30,30,30,.06)}
  .js .main-nav a:last-child{border-bottom:0}
  .header-right{gap:10px;justify-content:flex-end;flex:1}
  .header-cta{padding:9px 14px;font-size:13px}
  .brand-cluster{gap:10px}
  .division-link{height:30px;padding:0 11px;font-size:12px}
  .division-link svg{width:12px;height:12px}
  .hero-copy{padding-left:20px;padding-right:20px}
  .hero h1{font-size:clamp(28px,7.3vw,40px);overflow-wrap:break-word;hyphens:auto}
  .hero-buttons .btn{flex:1 1 auto;text-align:center}
  .stats-grid{grid-template-columns:1fr 1fr;gap:14px}
  .stat{padding:22px 18px}
  .ref-grid{grid-template-columns:1fr}
  .svc-ev{grid-template-columns:1fr;text-align:left}
  .wide-band,.wide-content{min-height:380px}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{font-size:13px}
}

@media (max-width:420px){
  /* icons carry the switcher on the smallest screens */
  .division-word{display:none}
  .division-link{padding:0 10px;gap:0}
  .division-link svg{width:14px;height:14px}
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .wide-bg-video,.wide-bg-img{transform:none !important}
  .js .reveal{opacity:1 !important;transform:none !important}
}