/* ============================================================
   TVISI ELECTRIC — SOLARGY  |  Design system
   Palette
   --ink       #10222B  deep indigo-charcoal (headings, dark bg)
   --paper     #F7F2E6  warm ivory (light bg)
   --marigold  #F2A73B  sun gold  (primary accent / CTA)
   --copper    #BD5B39  clay copper (secondary accent / hover)
   --teal      #175C54  electric teal (links, EV/lithium accent)
   --slate     #57666C  muted body text
   Type
   Display  — 'Space Grotesk'   (bold, technical, unmistakably electric)
   Body     — 'IBM Plex Sans'
   Data/mono— 'IBM Plex Mono'   (specs, kWh, rupee figures)
   Signature — the "ray mark" (radiating sunburst tick) used as an eyebrow,
   and the Subsidy Ladder staircase chart on the subsidy page.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root{
  --ink:#10222B;
  --ink-2:#16303C;
  --paper:#F7F2E6;
  --paper-2:#EFE7D3;
  --marigold:#F2A73B;
  --marigold-2:#D88F22;
  --copper:#BD5B39;
  --teal:#175C54;
  --teal-2:#0E413B;
  --slate:#57666C;
  --line:rgba(16,34,43,0.12);
  --line-light:rgba(247,242,230,0.18);
  --radius:14px;
  --shadow:0 24px 60px -20px rgba(16,34,43,0.35);
  --maxw:1180px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'IBM Plex Sans',sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{
  font-family:'Space Grotesk',sans-serif;
  font-weight:700;
  line-height:1.1;
  margin:0 0 .6em;
  letter-spacing:-0.01em;
}
p{margin:0 0 1em;}
.mono{font-family:'IBM Plex Mono',monospace;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
section{padding:96px 0;}
@media(max-width:768px){section{padding:64px 0;}}

:focus-visible{outline:3px solid var(--marigold);outline-offset:3px;}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important;animation-iteration-count:1 !important;transition-duration:0.001ms !important;scroll-behavior:auto !important;}
}

/* ---------- Ray mark (signature eyebrow) ---------- */
.ray-mark{display:inline-flex;align-items:center;gap:10px;font-family:'IBM Plex Mono',monospace;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--copper);font-weight:600;margin-bottom:14px;}
.ray-mark svg{width:18px;height:18px;flex:none;}
.ray-mark.on-dark{color:var(--marigold);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:1rem;
  padding:15px 30px;border-radius:100px;border:2px solid transparent;
  cursor:pointer;transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--marigold);color:var(--ink);box-shadow:0 14px 30px -12px rgba(242,167,59,.65);}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 36px -12px rgba(242,167,59,.75);background:var(--marigold-2);}
.btn-outline{background:transparent;border-color:currentColor;color:inherit;}
.btn-outline:hover{background:rgba(255,255,255,.12);transform:translateY(-3px);}
.btn-dark{background:var(--ink);color:var(--paper);}
.btn-dark:hover{background:var(--ink-2);transform:translateY(-3px);}
.btn-wa{background:#1FA855;color:#fff;}
.btn-wa:hover{background:#178A45;transform:translateY(-3px);}
.btn-sm{padding:10px 20px;font-size:.9rem;}
.btn-block{width:100%;}

/* ---------- Top utility bar ---------- */
.util-bar{background:var(--ink);color:rgba(247,242,230,.78);font-size:.82rem;padding:9px 0;}
.util-bar .container{display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;}
.util-bar .util-left{display:flex;flex-wrap:wrap;gap:22px;align-items:center;}
.util-bar .util-left>*{display:inline-flex;align-items:center;gap:7px;white-space:nowrap;}
.util-bar svg{width:15px;height:15px;flex:none;}
.util-bar a{transition:color .2s;}
.util-bar a:hover{color:var(--marigold);}
@media(max-width:820px){.util-bar .util-left{gap:14px;font-size:.78rem;}}
@media(max-width:640px){.util-bar .util-left span{display:none;}}
.util-badge{color:var(--marigold);font-weight:600;letter-spacing:.02em;}

/* ---------- Header / nav ---------- */
header.site-header{position:sticky;top:0;z-index:500;background:rgba(247,242,230,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:16px 0;}
.brand{display:flex;align-items:center;gap:10px;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:1.4rem;color:var(--ink);}
.brand .brand-mark{width:38px;height:38px;flex:none;}
.brand small{display:block;font-family:'IBM Plex Mono',monospace;font-size:.6rem;letter-spacing:.16em;font-weight:600;color:var(--copper);text-transform:uppercase;}
nav.main-nav ul{display:flex;gap:4px;align-items:center;}
nav.main-nav a{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:.94rem;padding:10px 16px;border-radius:100px;transition:.25s;}
nav.main-nav a:hover,nav.main-nav a.active{background:var(--ink);color:var(--paper);}
.nav-cta{display:flex;align-items:center;gap:10px;}
.nav-cta .btn span.short{display:none;}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;}
.nav-toggle span{display:block;width:26px;height:2px;background:var(--ink);margin:6px 0;border-radius:2px;}

@media(max-width:940px){
  nav.main-nav{position:fixed;inset:0 0 0 30%;background:var(--ink);padding:100px 30px 30px;transform:translateX(100%);transition:transform .35s ease;z-index:480;}
  nav.main-nav.open{transform:translateX(0);}
  nav.main-nav ul{flex-direction:column;align-items:flex-start;gap:6px;}
  nav.main-nav a{color:var(--paper);width:100%;padding:14px 10px;}
  nav.main-nav a:hover,nav.main-nav a.active{background:rgba(242,167,59,.16);color:var(--marigold);}
  .nav-toggle{display:block;}
  .nav-cta .btn span.long{display:none;}
  .nav-cta .btn span.short{display:inline;}
}

/* ---------- Hero ---------- */
.hero{background:var(--ink);color:var(--paper);position:relative;overflow:hidden;padding:88px 0 100px;}
.hero .container{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
@media(max-width:940px){.hero .container{grid-template-columns:1fr;}}
.hero h1{font-size:clamp(2.5rem,5vw,3.75rem);color:#fff;}
.hero h1 em{font-style:normal;color:var(--marigold);}
.hero p.lede{font-size:1.15rem;color:rgba(247,242,230,.82);max-width:46ch;}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin:30px 0 40px;}
.trust-strip{display:flex;gap:34px;flex-wrap:wrap;border-top:1px solid var(--line-light);padding-top:26px;}
.trust-item .num{font-family:'IBM Plex Mono',monospace;font-size:1.6rem;font-weight:600;color:var(--marigold);}
.trust-item .lbl{font-size:.82rem;color:rgba(247,242,230,.7);}
.hero-art{position:relative;}

/* ---------- Sunburst / arc SVG art ---------- */
.sunplug-svg{width:100%;height:auto;}

/* ---------- Section heads ---------- */
.section-head{max-width:640px;margin:0 auto 52px;text-align:center;}
.section-head.left{margin:0 0 52px;text-align:left;}
.section-head h2{font-size:clamp(2rem,3.6vw,2.85rem);}
.section-head p{color:var(--slate);font-size:1.08rem;}

/* ---------- Cards ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px 30px;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent;}
.card .icon{width:56px;height:56px;border-radius:12px;background:var(--paper-2);display:flex;align-items:center;justify-content:center;margin-bottom:20px;}
.card .icon svg{width:28px;height:28px;color:var(--teal);}
.card h3{font-size:1.3rem;}
.card p{color:var(--slate);font-size:.98rem;margin-bottom:0;}
.grid{display:grid;gap:26px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
@media(max-width:940px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}}
@media(max-width:640px){.grid-3,.grid-4,.grid-2{grid-template-columns:1fr;}}

/* ---------- Bands ---------- */
.band-dark{background:var(--ink);color:var(--paper);}
.band-dark .section-head p{color:rgba(247,242,230,.75);}
.band-teal{background:linear-gradient(155deg,var(--teal-2),var(--teal));color:#fff;}
.band-paper2{background:var(--paper-2);}

/* ---------- Subsidy ladder (signature chart) ---------- */
.ladder{display:flex;align-items:flex-end;gap:18px;justify-content:center;margin:50px 0 10px;flex-wrap:wrap;}
.ladder .step{background:linear-gradient(180deg,var(--marigold),var(--marigold-2));border-radius:10px 10px 0 0;width:150px;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding-top:18px;color:var(--ink);box-shadow:0 -10px 30px -14px rgba(242,167,59,.6);}
.ladder .step .amt{font-family:'IBM Plex Mono',monospace;font-weight:600;font-size:1.3rem;}
.ladder .step .lbl{font-size:.78rem;font-weight:600;margin-top:2px;text-align:center;padding:0 8px 14px;}
.ladder .step:nth-child(1){height:150px;}
.ladder .step:nth-child(2){height:210px;}
.ladder .step:nth-child(3){height:270px;background:linear-gradient(180deg,#fff,var(--marigold));border:2px solid var(--marigold);}

/* ---------- Table (specs) ---------- */
.spec-table{width:100%;border-collapse:collapse;font-size:.98rem;}
.spec-table tr{border-bottom:1px solid var(--line);}
.spec-table td{padding:16px 14px;}
.spec-table td:first-child{color:var(--slate);width:46%;}
.spec-table td:last-child{font-family:'IBM Plex Mono',monospace;font-weight:600;}
.spec-table tr:nth-child(odd){background:rgba(16,34,43,.03);}

/* ---------- Timeline / pillars list ---------- */
.pillars{display:grid;gap:20px;}
.pillar-row{display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--line);align-items:flex-start;}
.pillar-row .n{font-family:'IBM Plex Mono',monospace;color:var(--copper);font-weight:600;flex:none;width:44px;}
.pillar-row h4{margin-bottom:4px;font-size:1.15rem;}
.pillar-row p{color:var(--slate);margin:0;}

/* ---------- People / leadership ---------- */
.people-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;}
@media(max-width:940px){.people-grid{grid-template-columns:1fr;}}
.person-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .3s ease,box-shadow .3s ease;}
.person-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.person-top{background:var(--ink);color:var(--paper);padding:34px 28px 60px;position:relative;}
.person-avatar{width:78px;height:78px;border-radius:50%;background:var(--marigold);color:var(--ink);display:flex;align-items:center;justify-content:center;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:1.5rem;position:absolute;bottom:-39px;left:28px;border:5px solid #fff;}
.person-body{padding:52px 28px 28px;}
.person-body h3{font-size:1.25rem;margin-bottom:2px;}
.person-role{color:var(--copper);font-weight:600;font-size:.92rem;margin-bottom:14px;}
.person-body p{color:var(--slate);font-size:.95rem;}

/* ---------- Forms ---------- */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px;box-shadow:var(--shadow);}
.form-card.on-dark{background:rgba(247,242,230,.06);border-color:var(--line-light);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:.82rem;font-weight:600;margin-bottom:6px;font-family:'Space Grotesk',sans-serif;}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border-radius:9px;border:1.5px solid var(--line);
  font-family:'IBM Plex Sans',sans-serif;font-size:.98rem;background:var(--paper);color:var(--ink);
  transition:border-color .2s, box-shadow .2s;
}
.on-dark .field input,.on-dark .field select,.on-dark .field textarea{background:rgba(255,255,255,.94);}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--marigold);box-shadow:0 0 0 4px rgba(242,167,59,.22);}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
@media(max-width:560px){.field-row{grid-template-columns:1fr;}}
.form-note{font-size:.8rem;color:var(--slate);margin-top:10px;}
.on-dark .form-note{color:rgba(247,242,230,.6);}
.alert-success{background:rgba(31,168,85,.12);border:1.5px solid #1FA855;color:#0E5C2C;padding:14px 18px;border-radius:10px;font-weight:600;margin-top:16px;font-size:.92rem;}
.on-dark .alert-success{color:#7CF0AA;background:rgba(31,168,85,.18);}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(120deg,var(--copper),var(--marigold));color:var(--ink);border-radius:24px;padding:56px;display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap;}
.cta-band h2{margin-bottom:6px;font-size:2rem;}
.cta-band p{margin-bottom:0;color:rgba(16,34,43,.78);}

/* ---------- Footer ---------- */
footer.site-footer{background:var(--ink);color:rgba(247,242,230,.7);padding-top:76px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:50px;border-bottom:1px solid var(--line-light);}
@media(max-width:820px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr;}}
footer h5{font-family:'Space Grotesk',sans-serif;color:#fff;font-size:.92rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:18px;}
footer ul li{margin-bottom:11px;font-size:.92rem;}
footer a:hover{color:var(--marigold);}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:26px 0;font-size:.8rem;color:rgba(247,242,230,.5);}
.social-row{display:flex;gap:10px;}
.social-row a{width:38px;height:38px;border-radius:50%;border:1px solid var(--line-light);display:flex;align-items:center;justify-content:center;transition:.25s;}
.social-row a:hover{background:var(--marigold);border-color:var(--marigold);color:var(--ink);}
.social-row svg{width:17px;height:17px;}

/* ---------- Floating WhatsApp ---------- */
.wa-float{position:fixed;bottom:26px;right:26px;width:62px;height:62px;border-radius:50%;background:#1FA855;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 14px 30px -8px rgba(31,168,85,.6);z-index:600;animation:waPulse 2.6s infinite;}
.wa-float svg{width:30px;height:30px;}
@keyframes waPulse{0%{box-shadow:0 0 0 0 rgba(31,168,85,.55);}70%{box-shadow:0 0 0 18px rgba(31,168,85,0);}100%{box-shadow:0 0 0 0 rgba(31,168,85,0);}}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease;}
.reveal.visible{opacity:1;transform:translateY(0);}

/* ---------- Breadcrumb / page hero (inner pages) ---------- */
.page-hero{background:var(--ink);color:var(--paper);padding:64px 0 60px;}
.page-hero h1{color:#fff;font-size:clamp(2.1rem,4.4vw,3.1rem);margin-bottom:10px;}
.breadcrumb{font-family:'IBM Plex Mono',monospace;font-size:.78rem;color:rgba(247,242,230,.6);letter-spacing:.05em;}
.breadcrumb a:hover{color:var(--marigold);}
.page-hero p.lede{color:rgba(247,242,230,.78);max-width:60ch;}

/* ---------- Image / gallery slider ---------- */
.slider{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);}
.slider-track{display:flex;transition:transform .55s cubic-bezier(.65,0,.35,1);}
.slide{flex:0 0 100%;position:relative;}
.slide img{width:100%;height:420px;object-fit:cover;display:block;}
@media(max-width:640px){.slide img{height:260px;}}
.slide-caption{position:absolute;left:0;right:0;bottom:0;padding:26px 30px;background:linear-gradient(0deg,rgba(16,34,43,.92),rgba(16,34,43,0));color:#fff;}
.slide-caption h3{color:#fff;margin-bottom:4px;font-size:1.35rem;}
.slide-caption p{margin:0;color:rgba(247,242,230,.85);font-size:.95rem;max-width:52ch;}
.slider-nav{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;background:rgba(16,34,43,.55);color:#fff;border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:5;transition:.2s;}
.slider-nav:hover{background:var(--marigold);color:var(--ink);}
.slider-prev{left:16px;}
.slider-next{right:16px;}
.slider-dots{position:absolute;bottom:16px;right:24px;display:flex;gap:8px;z-index:5;}
.slider-dots button{width:9px;height:9px;border-radius:50%;border:none;background:rgba(255,255,255,.45);cursor:pointer;padding:0;}
.slider-dots button.active{background:var(--marigold);width:22px;border-radius:5px;transition:.25s;}
@media(max-width:640px){.slider-nav{width:38px;height:38px;}.slide-caption{padding:18px 20px;}.slide-caption h3{font-size:1.1rem;}}

/* ---------- Mobile sticky action bar ---------- */
.mobile-action-bar{display:none;}
@media(max-width:768px){
  .mobile-action-bar{
    display:grid;grid-template-columns:1fr 1fr 1.3fr;
    position:fixed;left:0;right:0;bottom:0;z-index:650;
    background:var(--ink);border-top:1px solid var(--line-light);
    box-shadow:0 -10px 30px -10px rgba(16,34,43,.5);
    padding-bottom:env(safe-area-inset-bottom,0);
  }
  .mobile-action-bar a{
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
    padding:10px 6px;font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:.72rem;
    color:rgba(247,242,230,.9);border-right:1px solid var(--line-light);
  }
  .mobile-action-bar a:last-child{border-right:none;background:var(--marigold);color:var(--ink);}
  .mobile-action-bar svg{width:20px;height:20px;}
  .mobile-action-bar a.mab-wa{color:#4CE38A;}
  body{padding-bottom:64px;}
  .wa-float{bottom:80px;}
}

/* ---------- FAQ accordion ---------- */
.faq-list{display:grid;gap:14px;max-width:820px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:6px 26px;transition:border-color .2s;}
.faq-item[open]{border-color:var(--marigold);}
.faq-item summary{padding:18px 0;font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:1.05rem;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:1.4rem;color:var(--marigold);flex:none;transition:transform .25s;}
.faq-item[open] summary::after{content:"\2212";}
.faq-item p{color:var(--slate);padding-bottom:18px;margin:0;}

/* ---------- Misc utility ---------- */
.d-none{display:none !important;}
.text-center{text-align:center;}
.mt-0{margin-top:0;}
.mb-0{margin-bottom:0;}
.badge{display:inline-flex;align-items:center;gap:6px;background:var(--paper-2);border-radius:100px;padding:6px 14px;font-size:.78rem;font-weight:600;color:var(--teal);}