/* ===========================================================
   SOLTREE RENEWABLES — Design Tokens
   Palette pulled from the logo: forest green tree, gold sunburst,
   light leaf green. Warm cream paper instead of stark white.
   =========================================================== */
:root{
  --forest:#0B5E34;
  --forest-deep:#073D22;
  --leaf:#5BA64A;
  --leaf-light:#EAF5E5;
  --sun:#F5A623;
  --sun-light:#FFD976;
  --sun-pale:#FFF4DC;
  --sky:#2F8FD6;
  --sky-light:#E6F3FC;
  --cream:#F6FAF4;
  --paper:#FFFFFF;
  --ink:#16231C;
  --ink-soft:#4B5A52;
  --line:#E7ECE3;
  --danger:#C24A3F;

  /* Gradients — used for hero/CTA backgrounds, buttons, accents */
  --grad-brand: linear-gradient(120deg, var(--forest) 0%, var(--leaf) 55%, var(--sun) 130%);
  --grad-sun: linear-gradient(135deg, var(--sun) 0%, var(--sun-light) 100%);
  --grad-cool: linear-gradient(135deg, var(--sky) 0%, var(--leaf) 100%);
  --grad-soft: linear-gradient(180deg, #FFFFFF 0%, var(--cream) 100%);

  --font-display:'Sora', sans-serif;
  --font-body:'Inter', sans-serif;
  --font-mono:'JetBrains Mono', monospace;

  --radius:14px;
  --radius-sm:8px;
  --shadow-soft:0 6px 24px rgba(11,94,52,0.08);
  --shadow-card:0 10px 30px rgba(11,94,52,0.10);
  --container:1180px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;}
h1,h2,h3,h4{font-family:var(--font-display);margin:0 0 .5em;line-height:1.15;color:var(--forest-deep);}
p{margin:0 0 1em;color:var(--ink-soft);}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.mono{font-family:var(--font-mono);}

:focus-visible{outline:3px solid var(--sun);outline-offset:2px;}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-display);font-weight:600;font-size:.95rem;
  padding:14px 26px;border-radius:999px;border:none;cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
  text-align:center;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--sun);color:var(--forest-deep);box-shadow:0 8px 20px rgba(245,166,35,.35);}
.btn-primary:hover{background:var(--sun-light);}
.btn-outline{background:transparent;border:2px solid var(--forest);color:var(--forest);}
.btn-outline:hover{background:var(--forest);color:#fff;}
.btn-light{background:#fff;color:var(--forest-deep);}
.btn-block{width:100%;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--forest);background:var(--leaf-light);padding:6px 14px;border-radius:999px;
  margin-bottom:14px;font-weight:600;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--sun);}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:500;
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 12px rgba(11,94,52,0.06);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand img{height:64px;width:auto;}
.brand-tagline{display:flex;flex-direction:column;line-height:1.2;}
.brand-tagline{font-family:var(--font-display);font-size:.88rem;font-weight:700;color:var(--forest-deep);}
.brand-tagline em{font-style:normal;font-family:var(--font-mono);font-size:.6rem;letter-spacing:.06em;color:var(--ink-soft);font-weight:500;text-transform:uppercase;}
.footer-brand img{
  height:60px;
  background:#fff;
  border-radius:10px;
  padding:8px 14px;
  margin-bottom:10px;
  display:block;
}
.footer-brand-sub{color:rgba(255,255,255,.75);font-size:.78rem;margin-bottom:10px;font-style:italic;}
.main-nav ul{display:flex;gap:26px;align-items:center;list-style:none;}
.main-nav a{font-family:var(--font-display);font-weight:600;font-size:.92rem;color:var(--ink);position:relative;padding:6px 2px;}
.main-nav a::after{content:'';position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--sun);transition:width .2s;}
.main-nav a:hover::after, .main-nav a.active::after{width:100%;}
.header-cta{display:flex;align-items:center;gap:14px;}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:10px;margin:-10px -6px -10px 0;}
.nav-toggle span{display:block;width:26px;height:3px;background:var(--forest-deep);margin:5px 0;border-radius:2px;}

/* Dropdown: Solutions submenu */
.has-dropdown{position:relative;padding-bottom:18px;margin-bottom:-18px;}
.has-dropdown > a{display:inline-flex;align-items:center;gap:5px;}
.has-dropdown > a::after{display:none;}
.has-dropdown > a .caret{font-size:.65em;transition:transform .18s ease;display:inline-block;}
.has-dropdown:hover > a .caret, .has-dropdown:focus-within > a .caret, .has-dropdown.open > a .caret{transform:rotate(180deg);}
.dropdown-menu{
  position:absolute;top:100%;left:0;transform:translateY(6px);
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-card);
  min-width:230px;padding:8px;margin:0;list-style:none;
  display:flex;flex-direction:column;gap:2px;
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .18s ease, transform .18s ease;z-index:50;
}
.has-dropdown:hover .dropdown-menu, .has-dropdown:focus-within .dropdown-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0);}
.dropdown-menu li{width:100%;}
.dropdown-menu a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;font-size:.86rem;white-space:nowrap;}
.dropdown-menu a:hover{background:var(--leaf-light);}

@media (max-width:1100px){
  .main-nav{position:fixed;inset:78px 0 0 0;background:#fff;transform:translateY(-110%);transition:transform .25s ease;overflow-y:auto;z-index:600;}
  .main-nav.open{transform:translateY(0);}
  .main-nav ul{flex-direction:column;align-items:flex-start;padding:30px 28px;gap:18px;}
  .nav-toggle{display:block;}
  .header-cta .btn-outline{display:none;}
  .has-dropdown{width:100%;padding-bottom:0;margin-bottom:0;}
  .dropdown-menu{
    position:static;transform:none;opacity:1;visibility:visible;pointer-events:auto;
    box-shadow:none;border:none;padding:4px 0 0 14px;max-height:0;overflow:hidden;min-width:0;
    transition:max-height .25s ease;
  }
  .has-dropdown.open .dropdown-menu{max-height:240px;}
  .has-dropdown > a .caret{cursor:pointer;}
}
@media (max-width:600px){
  .header-inner{padding:10px 16px;}
  .brand img{height:46px;}
  .brand-tagline{display:none;}
  .header-cta{gap:8px;}
  .header-cta .btn{padding:10px 14px;font-size:.82rem;}
}
@media (max-width:380px){
  .header-cta .btn-primary{padding:9px 12px;font-size:.76rem;}
}

/* ---------- Animations ---------- */
@keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-14px);}}
@keyframes spinSlow{from{transform:rotate(0deg);}to{transform:rotate(360deg);}}
@keyframes sway{0%,100%{transform:rotate(-3deg);}50%{transform:rotate(3deg);}}
@keyframes pulseGlow{0%,100%{opacity:.5;transform:scale(1);}50%{opacity:.9;transform:scale(1.08);}}
@keyframes dashFlow{to{stroke-dashoffset:-40;}}
@keyframes gradientPan{0%{background-position:0% 50%;}50%{background-position:100% 50%;}100%{background-position:0% 50%;}}
@keyframes fadeSlideUp{from{opacity:0;transform:translateY(18px);}to{opacity:1;transform:none;}}
.anim-float{animation:floaty 5s ease-in-out infinite;}
.anim-spin{animation:spinSlow 18s linear infinite;}
.anim-sway{animation:sway 4s ease-in-out infinite;transform-origin:bottom center;}
.anim-pulse{animation:pulseGlow 3s ease-in-out infinite;}
.flow-line{stroke-dasharray:8 6;animation:dashFlow 1.2s linear infinite;}

/* ---------- Hero / Slider ---------- */
.hero{position:relative;overflow:hidden;padding:0;background:#fff;}
.hero-slider{position:relative;min-height:640px;}
.hero-slide{
  position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .6s ease;
  display:flex;align-items:center;padding:64px 0 90px;
}
.hero-slide.active{opacity:1;visibility:visible;position:relative;}
.hero-slide:not(.active){position:absolute;}
.hero-slide.bg-residential{background:linear-gradient(120deg,#FFF8E8 0%,#FFFFFF 55%);}
.hero-slide.bg-commercial{background:linear-gradient(120deg,#E8F6EF 0%,#FFFFFF 55%);}
.hero-slide.bg-industrial{background:linear-gradient(120deg,#EAF3FB 0%,#FFFFFF 55%);}
.hero-slide.bg-scheme{background:linear-gradient(120deg,#073D22 0%,#0B5E34 55%,#5BA64A 130%);}
.hero-slide.bg-scheme h1, .hero-slide.bg-scheme .hero-lead{color:#fff;}
.hero-slide.bg-scheme .hero-lead{color:rgba(255,255,255,.85);}
.hero-rays{position:absolute;top:-120px;right:-120px;width:480px;height:480px;opacity:.5;pointer-events:none;}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;position:relative;z-index:2;width:100%;}
.hero h1{font-size:clamp(1.9rem,4.2vw,3.2rem);}
.hero h1 .accent{
  background:var(--grad-sun);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:1.05rem;max-width:520px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:10px;}
.hero-stats{display:flex;gap:30px;margin-top:32px;flex-wrap:wrap;}
.hero-stats div{font-family:var(--font-mono);}
.hero-stats strong{display:block;font-size:1.5rem;color:var(--forest);}
.hero-stats span{font-size:.76rem;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.05em;}
.hero-illustration{display:flex;align-items:center;justify-content:center;}
.hero-illustration svg{width:100%;max-width:380px;height:auto;}

/* Slider controls */
.slide-dots{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);display:flex;gap:9px;z-index:5;}
.slide-dots button{width:9px;height:9px;border-radius:50%;border:none;background:rgba(11,94,52,.25);cursor:pointer;padding:0;transition:all .2s;}
.slide-dots button.active{background:var(--sun);width:26px;border-radius:6px;}
.slide-arrow{
  position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:42px;height:42px;border-radius:50%;
  background:rgba(255,255,255,.85);border:1px solid var(--line);box-shadow:var(--shadow-soft);cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:1.1rem;color:var(--forest-deep);
}
.slide-arrow.prev{left:18px;}
.slide-arrow.next{right:18px;}

/* Savings calculator card — signature interactive element */
.calc-card{
  background:var(--paper);border-radius:var(--radius);box-shadow:var(--shadow-card);
  padding:28px;border:1px solid var(--line);position:relative;width:100%;max-width:420px;margin-left:auto;
}
.calc-card::before{
  content:'';position:absolute;top:-14px;left:28px;width:40px;height:40px;
  background:var(--grad-sun);border-radius:50%;box-shadow:0 0 0 6px #fff;
}
.calc-title{font-family:var(--font-display);font-weight:700;font-size:1.05rem;margin-bottom:4px;}
.calc-sub{font-size:.85rem;color:var(--ink-soft);margin-bottom:18px;}
.calc-row{margin-bottom:18px;}
.calc-row label{display:flex;justify-content:space-between;flex-wrap:wrap;gap:4px;font-size:.85rem;font-weight:600;color:var(--ink);margin-bottom:8px;}
.calc-row label .val{font-family:var(--font-mono);color:var(--forest);}
input[type=range]{width:100%;accent-color:var(--sun);height:6px;}
.calc-result{
  background:var(--leaf-light);border-radius:var(--radius-sm);padding:16px;margin-top:6px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:10px;
}
.calc-result .item{min-width:0;}
.calc-result .item strong{display:block;font-family:var(--font-mono);font-size:1.15rem;color:var(--forest-deep);word-break:break-word;}
.calc-result .item span{font-size:.66rem;text-transform:uppercase;letter-spacing:.02em;color:var(--ink-soft);}
.calc-note{font-size:.72rem;color:var(--ink-soft);margin-top:12px;margin-bottom:0;}

@media (max-width:1024px){
  .hero-slide{padding:48px 0 70px;}
  .hero-slider{min-height:auto;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .calc-card{max-width:480px;margin:0 auto;}
  .hero-illustration{order:-1;max-width:260px;margin:0 auto;}
}
@media (max-width:760px){
  .hero h1{font-size:clamp(1.6rem,6vw,2.2rem);}
  .hero-stats{gap:18px;}
  .slide-arrow{width:34px;height:34px;font-size:.95rem;}
  .slide-arrow.prev{left:8px;}
  .slide-arrow.next{right:8px;}
}
@media (max-width:480px){
  .calc-card{padding:18px;}
  .calc-result{grid-template-columns:1fr 1fr;}
  .calc-result .item:first-child{grid-column:1 / -1;}
  .calc-result .item strong{font-size:1.05rem;}
  .hero-actions .btn{width:100%;}
  .hero-actions{flex-direction:column;}
}

/* ---------- Scheme banner (PM Surya Ghar) ---------- */
.scheme-banner{
  background:linear-gradient(100deg, var(--forest-deep) 0%, var(--forest) 55%, var(--leaf) 100%);
  color:#fff;position:relative;overflow:hidden;
}
.scheme-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:34px 0;position:relative;z-index:2;flex-wrap:wrap;
}
.scheme-badge{
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;
  background:rgba(255,255,255,.14);padding:6px 14px;border-radius:999px;display:inline-block;margin-bottom:10px;
}
.scheme-banner h2{color:#fff;font-size:1.6rem;max-width:560px;}
.scheme-banner p{color:rgba(255,255,255,.85);max-width:560px;margin-bottom:0;}
.scheme-points{display:flex;gap:22px;margin-top:16px;flex-wrap:wrap;}
.scheme-points div{font-family:var(--font-mono);font-size:.82rem;background:rgba(255,255,255,.1);padding:8px 14px;border-radius:8px;}
.scheme-cta{display:flex;flex-direction:column;gap:10px;min-width:220px;}
.scheme-sun{position:absolute;right:-60px;bottom:-90px;width:280px;height:280px;opacity:.18;}
@media (max-width:600px){
  .scheme-inner{padding:26px 0;}
  .scheme-banner h2{font-size:1.3rem;}
  .scheme-points{gap:10px;}
  .scheme-points div{font-size:.74rem;padding:6px 10px;}
  .scheme-cta{min-width:0;width:100%;}
}

/* ---------- Section scaffolding ---------- */
section{padding:80px 0;}

/* ---------- Responsive split layouts (savings strip / why-soltree) ---------- */
.split-calc{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;position:relative;z-index:2;}
.split-why{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:center;}
@media (max-width:920px){
  .split-calc{grid-template-columns:1fr;gap:32px;}
  .split-calc .calc-card{max-width:480px;margin:0 auto;}
  .split-why{grid-template-columns:1fr;gap:28px;}
  .split-why > div:first-child{max-width:420px;margin:0 auto;}
}
.section-head{max-width:680px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-alt{background:var(--cream);}
@media (max-width:760px){section{padding:56px 0;}.section-head{margin-bottom:32px;}}
@media (max-width:480px){section{padding:42px 0;}}

/* Divider — signature sun-to-leaf arc, used between key sections */
.arc-divider{display:block;width:100%;height:60px;margin:-1px 0;}

/* ---------- Use-case blocks (Residential / Commercial / Factory) ---------- */
.usecase-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.usecase-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-soft);transition:transform .2s ease, box-shadow .2s ease;
}
.usecase-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-card);}
.usecase-media{
  height:170px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;
}
.usecase-media.grad-1{background:var(--grad-sun);}
.usecase-media.grad-2{background:var(--grad-cool);}
.usecase-media.grad-3{background:linear-gradient(135deg,var(--forest) 0%, var(--forest-deep) 100%);}
.usecase-media svg{width:120px;height:120px;}
.usecase-body{padding:26px;}
.usecase-icon{
  width:52px;height:52px;border-radius:14px;background:var(--leaf-light);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.usecase-card h3{font-size:1.15rem;}
.usecase-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.usecase-card li{font-size:.88rem;color:var(--ink-soft);padding-left:20px;position:relative;}
.usecase-card li::before{content:'';position:absolute;left:0;top:7px;width:9px;height:9px;border-radius:50%;background:var(--sun);}
.usecase-card a.usecase-link{display:inline-flex;margin-top:16px;font-weight:600;color:var(--forest);font-size:.88rem;align-items:center;gap:6px;}

@media (max-width:880px){.usecase-grid{grid-template-columns:1fr;}}

/* ---------- System types (On/Off/Hybrid) ---------- */
.systems-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:48px;}
.system-card{background:var(--paper);border-radius:var(--radius);padding:28px;border:1px solid var(--line);}
.system-card .tag{font-family:var(--font-mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--forest);background:var(--leaf-light);padding:4px 10px;border-radius:6px;display:inline-block;margin-bottom:12px;}
.system-card h3{font-size:1.2rem;}
.system-card p{font-size:.92rem;}
.system-card .benefits{margin-top:12px;font-size:.86rem;color:var(--ink-soft);display:flex;flex-direction:column;gap:6px;}
.system-card .benefits li{list-style:none;padding-left:18px;position:relative;}
.system-card .benefits li::before{content:'✓';position:absolute;left:0;color:var(--leaf);font-weight:700;}

@media (max-width:880px){.systems-grid{grid-template-columns:1fr;}}

.compare-table-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow-soft);background:var(--paper);}
table.compare{width:100%;border-collapse:collapse;min-width:640px;}
table.compare th, table.compare td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);font-size:.92rem;}
table.compare thead th{background:var(--forest-deep);color:#fff;font-family:var(--font-display);font-size:.88rem;}
table.compare tbody tr:nth-child(odd){background:var(--cream);}
table.compare tbody td:first-child{font-weight:600;color:var(--forest-deep);}

@media (max-width:760px){
  .compare-table-wrap{overflow-x:visible;box-shadow:none;background:transparent;}
  table.compare{min-width:0;display:block;}
  table.compare thead{display:none;}
  table.compare tbody, table.compare tr{display:block;}
  table.compare tr{
    background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-sm);
    box-shadow:var(--shadow-soft);margin-bottom:14px;overflow:hidden;
  }
  table.compare td{
    display:flex;justify-content:space-between;align-items:center;gap:10px;
    border-bottom:1px solid var(--line);padding:12px 16px;text-align:right;
  }
  table.compare tr td:last-child{border-bottom:none;}
  table.compare td::before{content:attr(data-label);font-weight:600;color:var(--forest-deep);text-align:left;font-size:.82rem;}
  table.compare td:first-child{
    background:var(--forest-deep);color:#fff;font-weight:700;justify-content:flex-start;
  }
  table.compare td:first-child::before{content:'';}
}

/* ---------- Process steps ---------- */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.process-step{position:relative;padding-top:8px;}
.process-step .num{font-family:var(--font-mono);font-size:2.1rem;color:var(--sun);font-weight:700;}
.process-step h4{font-size:1rem;margin-top:6px;}
.process-step p{font-size:.86rem;}
@media (max-width:880px){.process-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:520px){.process-grid{grid-template-columns:1fr;}}

/* ---------- Why choose us ---------- */
.why-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.why-item{display:flex;gap:16px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px;}
.why-item .ico{flex:0 0 auto;width:42px;height:42px;border-radius:10px;background:var(--sun-pale);display:flex;align-items:center;justify-content:center;}
.why-item h4{margin-bottom:4px;font-size:1rem;}
.why-item p{font-size:.88rem;margin-bottom:0;}
@media (max-width:760px){.why-grid{grid-template-columns:1fr;}}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--grad-brand);border-radius:24px;padding:50px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
  color:#fff;background-size:200% 200%;animation:gradientPan 10s ease infinite;
}
.cta-band h2{color:#fff;font-size:1.7rem;max-width:480px;}
.cta-band p{color:rgba(255,255,255,.85);max-width:480px;}
@media (max-width:600px){
  .cta-band{padding:30px;border-radius:18px;}
  .cta-band h2{font-size:1.35rem;}
  .cta-band .btn{width:100%;}
}

/* ---------- Footer ---------- */
footer.site-footer{background:var(--forest-deep);color:rgba(255,255,255,.85);padding:60px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand p{color:rgba(255,255,255,.65);font-size:.88rem;}
footer h5{font-family:var(--font-display);color:#fff;font-size:.92rem;margin-bottom:16px;letter-spacing:.02em;}
footer ul{display:flex;flex-direction:column;gap:10px;}
footer a{font-size:.88rem;color:rgba(255,255,255,.7);}
footer a:hover{color:var(--sun-light);}
.footer-contact li{display:flex;gap:10px;font-size:.86rem;color:rgba(255,255,255,.75);align-items:flex-start;}
.footer-bottom{display:flex;justify-content:space-between;padding:20px 0;font-size:.78rem;color:rgba(255,255,255,.55);flex-wrap:wrap;gap:8px;}
@media (max-width:880px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr;}}

/* ---------- Forms (appointment / contact) ---------- */
.form-card{background:var(--paper);border-radius:var(--radius);box-shadow:var(--shadow-card);padding:40px;border:1px solid var(--line);}

/* ---------- Contact section: form + full contact-details panel ---------- */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:start;}
.contact-info{
  background:var(--forest-deep);color:#fff;border-radius:var(--radius);padding:36px;
  display:flex;flex-direction:column;gap:22px;
}
.contact-info-item{display:flex;gap:14px;align-items:flex-start;}
.contact-info-item .ico{
  flex:0 0 auto;width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:center;font-size:1.1rem;
}
.contact-info-item h4{color:#fff;font-size:.92rem;margin-bottom:4px;}
.contact-info-item p{color:rgba(255,255,255,.75);font-size:.88rem;margin-bottom:0;}
.contact-info-item a{color:#fff;font-weight:600;}
.contact-info-item a:hover{color:var(--sun-light);}
.contact-info .btn-outline{border-color:rgba(255,255,255,.5);color:#fff;margin-top:4px;}
.contact-info .btn-outline:hover{background:#fff;color:var(--forest-deep);}
@media (max-width:880px){
  .contact-grid{grid-template-columns:1fr;}
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:.84rem;font-weight:600;color:var(--ink);}
.field label .req{color:var(--danger);}
.field input, .field select, .field textarea{
  font-family:var(--font-body);font-size:.95rem;padding:12px 14px;border:1px solid var(--line);
  border-radius:var(--radius-sm);background:var(--cream);color:var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus{outline:2px solid var(--sun);background:#fff;}
.radio-group{display:flex;gap:10px;flex-wrap:wrap;}
.radio-pill{position:relative;}
.radio-pill input{position:absolute;opacity:0;width:0;height:0;}
.radio-pill span{
  display:inline-flex;padding:9px 16px;border:1px solid var(--line);border-radius:999px;font-size:.85rem;cursor:pointer;
  background:var(--cream);transition:all .15s ease;
}
.radio-pill input:checked + span{background:var(--forest);color:#fff;border-color:var(--forest);}
.form-note{font-size:.8rem;color:var(--ink-soft);}
.form-status{font-size:.88rem;padding:12px 16px;border-radius:var(--radius-sm);margin-top:14px;display:none;}
.form-status.show{display:block;}
.form-status.ok{background:var(--leaf-light);color:var(--forest-deep);}
.form-status.err{background:#FBEAE8;color:var(--danger);}
@media (max-width:760px){.form-grid{grid-template-columns:1fr;}.form-card{padding:24px;}}

.appt-hero{padding:56px 0 30px;background:var(--leaf-light);}
.appt-layout{display:grid;grid-template-columns:1fr 1.4fr;gap:36px;align-items:start;}
.appt-side{position:sticky;top:100px;}
.appt-side .why-item{background:var(--cream);}
@media (max-width:920px){.appt-layout{grid-template-columns:1fr;}.appt-side{position:static;}}

/* ---------- Page hero (simple inner pages) ---------- */
.page-hero{padding:54px 0 40px;background:var(--leaf-light);text-align:center;}
.page-hero h1{font-size:clamp(1.9rem,3.6vw,2.6rem);}
.breadcrumb{font-family:var(--font-mono);font-size:.78rem;color:var(--forest);margin-bottom:10px;}

/* ---------- Floating widgets: WhatsApp + Chatbot ---------- */
.float-stack{position:fixed;right:22px;bottom:22px;display:flex;flex-direction:column;align-items:flex-end;gap:14px;z-index:900;}
.fab{
  width:58px;height:58px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px rgba(0,0,0,.18);cursor:pointer;border:none;transition:transform .2s ease;
}
.fab:hover{transform:scale(1.07);}
.fab-whatsapp{background:#25D366;}
.fab-chat{background:var(--forest);}
.fab svg{width:28px;height:28px;}

/* Chatbot window */
.chat-window{
  width:340px;max-height:0;overflow:hidden;background:var(--paper);border-radius:18px;box-shadow:0 20px 50px rgba(0,0,0,.2);
  display:flex;flex-direction:column;border:1px solid var(--line);transition:max-height .3s ease, opacity .2s ease;opacity:0;
}
.chat-window.open{max-height:520px;opacity:1;}
.chat-head{background:var(--forest-deep);color:#fff;padding:16px 18px;display:flex;align-items:center;gap:10px;border-radius:18px 18px 0 0;}
.chat-head img{width:30px;height:30px;border-radius:50%;background:#fff;padding:3px;}
.chat-head div strong{display:block;font-size:.9rem;}
.chat-head div span{font-size:.72rem;color:rgba(255,255,255,.7);}
.chat-close{margin-left:auto;background:none;border:none;color:#fff;cursor:pointer;font-size:1.1rem;}
.chat-body{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;background:var(--cream);max-height:340px;}
.chat-msg{max-width:85%;padding:10px 14px;border-radius:14px;font-size:.86rem;line-height:1.4;}
.chat-msg.bot{background:#fff;border:1px solid var(--line);align-self:flex-start;border-bottom-left-radius:4px;}
.chat-msg.user{background:var(--forest);color:#fff;align-self:flex-end;border-bottom-right-radius:4px;}
.chat-quick{display:flex;flex-wrap:wrap;gap:8px;padding:0 16px 12px;}
.chat-quick button{
  font-family:var(--font-body);font-size:.78rem;padding:7px 12px;border-radius:999px;border:1px solid var(--forest);
  background:#fff;color:var(--forest);cursor:pointer;
}
.chat-quick button:hover{background:var(--forest);color:#fff;}
.chat-input-row{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line);background:#fff;border-radius:0 0 18px 18px;}
.chat-input-row input{flex:1;border:1px solid var(--line);border-radius:999px;padding:9px 14px;font-size:.85rem;background:var(--cream);}
.chat-input-row button{background:var(--sun);border:none;border-radius:50%;width:38px;height:38px;display:flex;align-items:center;justify-content:center;cursor:pointer;}
@media (max-width:480px){
  .chat-window{width:88vw;max-height:72vh;}
  .chat-window.open{max-height:72vh;}
  .chat-body{max-height:45vh;}
  .float-stack{right:14px;bottom:14px;}
  .fab{width:50px;height:50px;}
  .fab svg{width:24px;height:24px;}
}

/* Slide-in helper */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease, transform .5s ease;}
.reveal.in{opacity:1;transform:none;}

.skip-link{position:absolute;left:-999px;top:auto;}
.skip-link:focus{left:10px;top:10px;background:#fff;padding:8px 14px;border-radius:6px;z-index:1000;}

/* ===========================================================
   Solution sub-pages (Residential / Commercial / Industrial)
   =========================================================== */
.sub-hero{position:relative;overflow:hidden;padding:70px 0;}
.sub-hero.theme-residential{background:linear-gradient(120deg,#FFF3DA 0%,#fff 70%);}
.sub-hero.theme-commercial{background:linear-gradient(120deg,#E3F5EA 0%,#fff 70%);}
.sub-hero.theme-industrial{background:linear-gradient(120deg,#E4F0FB 0%,#fff 70%);}
.sub-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;position:relative;z-index:2;}
.sub-hero h1{font-size:clamp(1.9rem,4vw,2.8rem);}
.sub-hero svg{width:100%;max-width:380px;}
@media (max-width:920px){.sub-hero-grid{grid-template-columns:1fr;}.sub-hero svg{max-width:260px;margin:0 auto;}.sub-hero{text-align:center;padding:50px 0;}}

/* Alternating media + text feature rows, image-rich */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-bottom:64px;}
.feature-row.reverse .feature-media{order:2;}
.feature-media{
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-card);
  display:flex;align-items:center;justify-content:center;padding:30px;min-height:260px;
}
.feature-media svg{width:100%;max-width:320px;height:auto;}
.feature-media.grad-warm{background:var(--grad-sun);}
.feature-media.grad-cool{background:var(--grad-cool);}
.feature-media.grad-deep{background:linear-gradient(135deg,var(--forest) 0%, var(--forest-deep) 100%);}
.feature-text h3{font-size:1.5rem;}
.feature-text ul{margin-top:14px;display:flex;flex-direction:column;gap:10px;}
.feature-text li{font-size:.94rem;color:var(--ink-soft);padding-left:22px;position:relative;}
.feature-text li::before{content:'✓';position:absolute;left:0;color:var(--leaf);font-weight:700;}
@media (max-width:880px){
  .feature-row, .feature-row.reverse{grid-template-columns:1fr;gap:24px;margin-bottom:40px;}
  .feature-row.reverse .feature-media{order:0;}
  .feature-media{min-height:200px;padding:20px;}
}

/* Image-card gallery grid — used for "lots of images" sections */
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.gallery-grid.cols-4{grid-template-columns:repeat(4,1fr);}
.img-card{
  border-radius:var(--radius-sm);overflow:hidden;position:relative;aspect-ratio:4/3;
  display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-soft);
}
.img-card svg{width:55%;height:55%;}
.img-card figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:10px 12px;font-size:.78rem;font-weight:600;
  background:linear-gradient(0deg,rgba(0,0,0,.55),transparent);color:#fff;
}
@media (max-width:880px){.gallery-grid, .gallery-grid.cols-4{grid-template-columns:repeat(2,1fr);}}
@media (max-width:480px){.gallery-grid, .gallery-grid.cols-4{grid-template-columns:1fr;}}

/* Decorative floating gradient blobs (ambient motion, no external assets) */
.blob{position:absolute;border-radius:50%;filter:blur(40px);opacity:.35;z-index:1;pointer-events:none;}
.blob-1{background:var(--sun-light);width:220px;height:220px;}
.blob-2{background:var(--leaf);width:260px;height:260px;}
.blob-3{background:var(--sky);width:200px;height:200px;}

.grad-text{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}

/* Stagger reveal helper for grids of cards */
.reveal:nth-child(2){transition-delay:.08s;}
.reveal:nth-child(3){transition-delay:.16s;}
.reveal:nth-child(4){transition-delay:.24s;}

/* Sub-page sticky CTA strip for mobile */
.mini-cta-strip{
  position:sticky;bottom:0;background:#fff;border-top:1px solid var(--line);padding:12px 16px;
  display:none;z-index:600;box-shadow:0 -6px 16px rgba(0,0,0,.06);
}
@media (max-width:760px){
  .mini-cta-strip{display:flex;gap:10px;}
  .mini-cta-strip .btn{flex:1;}
}

/* ---------- Real photography inside media/gallery containers ---------- */
.hero-illustration img, .hero-illustration picture{width:100%;max-width:440px;border-radius:20px;box-shadow:var(--shadow-card);display:block;object-fit:cover;aspect-ratio:4/3;}
.usecase-media{padding:0;}
.usecase-media img{width:100%;height:100%;object-fit:cover;display:block;}
.usecase-media .media-tag{
  position:absolute;left:12px;bottom:12px;z-index:2;background:rgba(7,61,34,.78);color:#fff;
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.04em;text-transform:uppercase;
  padding:5px 10px;border-radius:999px;
}
.feature-media{padding:0;}
.feature-media img{width:100%;height:100%;min-height:260px;object-fit:cover;display:block;}
.img-card img{width:100%;height:100%;object-fit:cover;display:block;}
.sub-hero-media{border-radius:20px;overflow:hidden;box-shadow:var(--shadow-card);aspect-ratio:4/3;}
.sub-hero-media img{width:100%;height:100%;object-fit:cover;display:block;}
@media (max-width:920px){.sub-hero-media{max-width:420px;margin:0 auto;}}

/* Slider photo backdrop (full-bleed image behind a gradient tint, per slide) */
.hero-slide .slide-photo{
  position:absolute;inset:0;z-index:0;
}
.hero-slide .slide-photo img{width:100%;height:100%;object-fit:cover;display:block;}
.hero-slide .slide-photo::after{content:'';position:absolute;inset:0;}
.hero-slide.bg-residential .slide-photo::after{background:linear-gradient(100deg,#fff 0%,#fff 38%,rgba(255,255,255,.55) 60%,rgba(255,255,255,0) 100%);}
.hero-slide.bg-commercial .slide-photo::after{background:linear-gradient(100deg,#fff 0%,#fff 38%,rgba(255,255,255,.55) 60%,rgba(255,255,255,0) 100%);}
.hero-slide.bg-industrial .slide-photo::after{background:linear-gradient(100deg,#fff 0%,#fff 38%,rgba(255,255,255,.55) 60%,rgba(255,255,255,0) 100%);}
.hero-slide.bg-scheme .slide-photo::after{background:linear-gradient(100deg,#073D22 0%,rgba(7,61,34,.92) 42%,rgba(7,61,34,.55) 70%,rgba(7,61,34,.25) 100%);}
.hero-slide .hero-grid{position:relative;z-index:2;}
@media (max-width:760px){
  .hero-slide .slide-photo::after{background:rgba(255,255,255,.82) !important;}
  .hero-slide.bg-scheme .slide-photo::after{background:rgba(7,61,34,.86) !important;}
}

/* Photo credits footer link */
.photo-credit-link{font-size:.74rem;color:rgba(255,255,255,.45);}
.photo-credit-link:hover{color:rgba(255,255,255,.7);}

/* Simple GIF-like ambient motion badge (used instead of external animated GIFs) */
.live-badge{
  display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:.7rem;
  background:rgba(255,255,255,.85);color:var(--forest-deep);padding:5px 10px;border-radius:999px;
  position:absolute;top:14px;right:14px;z-index:2;box-shadow:var(--shadow-soft);
}
.live-badge .ping{width:7px;height:7px;border-radius:50%;background:var(--sun);animation:pulseGlow 1.4s ease-in-out infinite;}