/* ============================================
   Solar Property Bali — Design System
   Apple-inspired Liquid Glass + Warm Tropics
   ============================================ */

/* --- Reset --- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
img,video,svg{display:block;max-width:100%;height:auto}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
button,input,textarea,select{font:inherit;border:none;outline:none;background:none}

/* --- Custom Properties --- */
:root{
  /* Brand */
  --accent:#1a6b4f;
  --accent-light:#2a9d6e;
  --accent-dark:#134f3b;
  --accent-bg:rgba(26,107,79,.06);
  --gold:#c5a05e;
  --gold-light:#dbb978;

  /* Neutrals */
  --bg:#ffffff;
  --bg-alt:#f7f8fa;
  --bg-warm:#faf9f6;
  --bg-dark:#0f1923;
  --bg-dark-alt:#162430;
  --text:#1a1d21;
  --text-secondary:#5a6068;
  --text-muted:#8c939d;
  --text-inverse:#f0f2f5;
  --border:#e4e7eb;
  --border-light:#f0f1f3;

  /* Liquid Glass */
  --glass-bg:rgba(255,255,255,.72);
  --glass-border:rgba(255,255,255,.82);
  --glass-highlight:inset 0 1px 0 rgba(255,255,255,.95);
  --glass-shadow:0 8px 32px rgba(0,0,0,.07),inset 0 1px 0 rgba(255,255,255,.95);
  --glass-blur:blur(24px) saturate(180%);

  /* Typography */
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --font-display:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;

  /* Spacing */
  --section-y:clamp(64px,8vw,120px);
  --container:1200px;
  --gap:24px;

  /* Shape */
  --radius:16px;
  --radius-sm:10px;
  --radius-lg:24px;
  --radius-xl:32px;

  /* Motion */
  --ease:cubic-bezier(.25,.46,.45,.94);
  --transition:.3s var(--ease);
  --transition-slow:.5s var(--ease);
}

/* --- Typography --- */
body{
  font-family:var(--font);
  font-size:16px;
  line-height:1.65;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
h1,h2,h3,h4,h5,h6{
  font-family:var(--font-display);
  font-weight:700;
  line-height:1.2;
  color:var(--text);
  letter-spacing:-.02em;
}
h1{font-size:clamp(2.25rem,5vw,3.5rem);font-weight:800}
h2{font-size:clamp(1.75rem,4vw,2.75rem)}
h3{font-size:clamp(1.25rem,2.5vw,1.75rem)}
h4{font-size:1.125rem}
p{margin-bottom:1em;color:var(--text-secondary)}
p:last-child{margin-bottom:0}
.lead{font-size:clamp(1.05rem,1.8vw,1.25rem);line-height:1.7;color:var(--text-secondary)}
.label{font-size:.75rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.label--gold{color:var(--gold)}

/* --- Layout --- */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 clamp(16px,4vw,32px);
}
.container--narrow{max-width:800px}
.container--wide{max-width:1400px}
section{padding:var(--section-y) 0}

/* --- Grid --- */
.grid{display:grid;gap:var(--gap)}
.grid--2{grid-template-columns:1fr}
.grid--3{grid-template-columns:1fr}
.grid--4{grid-template-columns:1fr}
@media(min-width:640px){
  .grid--2{grid-template-columns:repeat(2,1fr)}
  .grid--4{grid-template-columns:repeat(2,1fr)}
}
@media(min-width:768px){
  .grid--3{grid-template-columns:repeat(2,1fr)}
}
@media(min-width:1024px){
  .grid--3{grid-template-columns:repeat(3,1fr)}
  .grid--4{grid-template-columns:repeat(4,1fr)}
}

/* --- Header / Nav --- */
.header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.78);
  backdrop-filter:saturate(200%) blur(28px);
  -webkit-backdrop-filter:saturate(200%) blur(28px);
  border-bottom:1px solid var(--glass-border);
  box-shadow:0 1px 0 rgba(0,0,0,.03);
  transition:background var(--transition),box-shadow var(--transition);
}
.header--scrolled{
  background:rgba(255,255,255,.92);
  box-shadow:0 4px 20px rgba(0,0,0,.06);
}
.header__inner{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;
  max-width:var(--container);
  margin:0 auto;
  padding:0 clamp(16px,4vw,32px);
}
.header__logo{display:flex;align-items:center;gap:10px}
.header__logo img{height:40px;width:auto}
.header__logo span{font-weight:700;font-size:1.1rem;color:var(--text);white-space:nowrap}
.nav{display:flex;align-items:center;gap:32px}
.nav a{
  font-size:.9rem;font-weight:500;color:var(--text-secondary);
  transition:color var(--transition);
  position:relative;
}
.nav a:hover,.nav a.active{color:var(--accent)}
.nav a::after{
  content:'';position:absolute;bottom:-4px;left:0;right:0;
  height:2px;background:var(--accent);
  transform:scaleX(0);transition:transform var(--transition);
}
.nav a:hover::after,.nav a.active::after{transform:scaleX(1)}

/* Language switcher */
.lang{
  display:flex;align-items:center;gap:4px;
  font-size:.85rem;font-weight:500;
}
.lang a{
  padding:4px 10px;border-radius:8px;
  color:var(--text-muted);transition:all var(--transition);
}
.lang a:hover{color:var(--text)}
.lang a.active{background:var(--accent);color:#fff}

/* Mobile menu */
.burger{
  display:none;flex-direction:column;gap:5px;
  width:28px;cursor:pointer;padding:4px 0;
}
.burger span{display:block;height:2px;background:var(--text);border-radius:2px;transition:all var(--transition)}
@media(max-width:1023px){
  .nav{
    position:static;
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    padding:8px 0;
  }
  .js .nav{
    display:none;position:fixed;top:72px;left:0;right:0;bottom:0;
    background:rgba(255,255,255,.96);
    backdrop-filter:blur(32px);-webkit-backdrop-filter:blur(32px);
    padding:16px;overflow-y:auto;
  }
  .js .nav.open{display:flex}
  .nav a{padding:12px 16px;font-size:1.05rem;border-bottom:1px solid var(--border-light)}
  .nav a::after{display:none}
  .burger{display:none}
  .js .burger{display:flex}
}

/* --- Hero --- */
.hero{
  position:relative;
  min-height:85vh;
  display:flex;align-items:center;
  padding-top:72px;
  overflow:hidden;
}
.hero--dark{background:var(--bg-dark);color:var(--text-inverse)}
.hero--dark h1,.hero--dark h2,.hero--dark h3,.hero--dark p{color:var(--text-inverse)}
.hero--dark p{color:rgba(240,242,245,.75)}
.hero__bg{
  position:absolute;inset:0;z-index:0;
}
.hero__bg img{width:100%;height:100%;object-fit:cover}
.hero__bg::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,25,35,.65) 0%,rgba(15,25,35,.80) 100%);
}
.hero__content{
  position:relative;z-index:1;
  max-width:680px;
  padding:clamp(48px,8vw,96px) 0;
}
.hero__content .label{margin-bottom:16px;display:inline-block}
.hero__content h1{margin-bottom:24px}
.hero__content p{font-size:clamp(1rem,1.6vw,1.2rem);margin-bottom:32px;opacity:.85}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px}

/* --- Buttons --- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;
  font-size:.95rem;font-weight:600;
  border-radius:var(--radius-sm);
  cursor:pointer;
  transition:all var(--transition);
  white-space:nowrap;
}
.btn--primary{
  background:var(--accent);color:#fff;
  box-shadow:0 2px 8px rgba(26,107,79,.25);
}
.btn--primary:hover{
  background:var(--accent-light);
  box-shadow:0 4px 16px rgba(26,107,79,.30);
  transform:translateY(-1px);
}
.btn--secondary{
  background:var(--bg);color:var(--text);
  border:1px solid var(--border);
}
.btn--secondary:hover{border-color:var(--accent);color:var(--accent)}
.btn--glass{
  background:var(--glass-bg);color:var(--text);
  backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);
  border:1px solid var(--glass-border);
  box-shadow:var(--glass-highlight);
}
.btn--glass:hover{background:rgba(255,255,255,.85)}
.btn--white{background:#fff;color:var(--text)}
.btn--white:hover{background:rgba(255,255,255,.9);transform:translateY(-1px)}
.btn--ghost{color:#fff;border:1px solid rgba(255,255,255,.3)}
.btn--ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.5)}
.btn--sm{padding:10px 20px;font-size:.85rem}
.btn--lg{padding:18px 36px;font-size:1.05rem}
.btn--icon{width:48px;height:48px;padding:0;border-radius:50%}
.btn svg{width:18px;height:18px;flex-shrink:0}

/* --- Cards --- */
.card{
  background:var(--bg);
  border:1px solid var(--border-light);
  border-radius:var(--radius);
  overflow:hidden;
  transition:all var(--transition);
}
.card:hover{
  border-color:var(--border);
  box-shadow:0 12px 40px rgba(0,0,0,.06);
  transform:translateY(-4px);
}
.card__img{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
}
.card__img img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-slow)}
.card:hover .card__img img{transform:scale(1.04)}
.card__body{padding:24px}
.card__body h3{margin-bottom:8px}
.card__body p{font-size:.95rem;color:var(--text-secondary)}
.card__tag{
  position:absolute;top:12px;left:12px;
  padding:6px 12px;
  font-size:.75rem;font-weight:600;
  background:var(--accent);color:#fff;
  border-radius:6px;
}
.card__price{
  font-size:1.5rem;font-weight:700;color:var(--accent);
  margin-top:12px;
}
.card__meta{
  display:flex;gap:16px;
  margin-top:12px;
  font-size:.85rem;color:var(--text-muted);
}
.card__meta span{display:flex;align-items:center;gap:4px}

/* Glass card */
.card--glass{
  background:var(--glass-bg);
  backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);
  border:1px solid var(--glass-border);
  box-shadow:var(--glass-shadow);
}

/* Stat card */
.stat{text-align:center;padding:32px 24px}
.stat__number{
  font-size:clamp(2rem,4vw,3rem);font-weight:800;
  color:var(--accent);
  line-height:1;margin-bottom:8px;
}
.stat__label{font-size:.9rem;color:var(--text-secondary)}

/* --- Feature blocks --- */
.feature{
  display:flex;align-items:flex-start;gap:20px;
  padding:24px;
  border-radius:var(--radius);
  transition:background var(--transition);
}
.feature:hover{background:var(--accent-bg)}
.feature__icon{
  width:48px;height:48px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:var(--accent-bg);
  border-radius:12px;
  color:var(--accent);
}
.feature__icon svg{width:24px;height:24px}
.feature__text h4{margin-bottom:6px}
.feature__text p{font-size:.9rem;margin-bottom:0}

/* --- Sections --- */
.section--alt{background:var(--bg-alt)}
.section--warm{background:var(--bg-warm)}
.section--dark{background:var(--bg-dark);color:var(--text-inverse)}
.section--dark h2,.section--dark h3,.section--dark h4{color:var(--text-inverse)}
.section--dark p{color:rgba(240,242,245,.7)}
.section--dark .label{color:var(--gold-light)}

.section__header{text-align:center;max-width:680px;margin:0 auto clamp(40px,5vw,64px)}
.section__header .label{margin-bottom:12px;display:inline-block}
.section__header h2{margin-bottom:16px}

/* --- Pricing --- */
.pricing{
  background:var(--bg);
  border:2px solid var(--border-light);
  border-radius:var(--radius-lg);
  padding:40px 32px;
  text-align:center;
  transition:all var(--transition);
}
.pricing:hover{border-color:var(--accent);box-shadow:0 12px 40px rgba(26,107,79,.1)}
.pricing--featured{border-color:var(--accent);position:relative}
.pricing__badge{
  position:absolute;top:-14px;left:50%;transform:translateX(-50%);
  background:var(--accent);color:#fff;
  padding:6px 20px;border-radius:20px;
  font-size:.8rem;font-weight:600;white-space:nowrap;
}
.pricing__price{
  font-size:clamp(2.5rem,5vw,3.5rem);font-weight:800;color:var(--text);
  line-height:1;margin:20px 0 8px;
}
.pricing__price span{font-size:1rem;font-weight:500;color:var(--text-muted)}
.pricing__desc{margin-bottom:24px}
.pricing__list{text-align:left;margin-bottom:32px}
.pricing__list li{
  padding:10px 0;
  border-bottom:1px solid var(--border-light);
  font-size:.95rem;
  display:flex;align-items:center;gap:10px;
}
.pricing__list li::before{
  content:'';width:20px;height:20px;flex-shrink:0;
  background:var(--accent-bg);border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%231a6b4f' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center;
}

/* --- Steps --- */
.steps{counter-reset:step}
.step{
  position:relative;
  padding:32px;padding-left:80px;
  counter-increment:step;
}
.step::before{
  content:counter(step);
  position:absolute;left:24px;top:32px;
  width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;
  background:var(--accent);color:#fff;
  border-radius:50%;
  font-weight:700;font-size:1rem;
}
.step::after{
  content:'';
  position:absolute;left:43px;top:76px;bottom:0;
  width:2px;background:var(--border-light);
}
.step:last-child::after{display:none}
.step h4{margin-bottom:8px}
.step p{font-size:.95rem}

/* --- Portfolio --- */
.portfolio-card{position:relative;border-radius:var(--radius);overflow:hidden}
.portfolio-card img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform var(--transition-slow)}
.portfolio-card:hover img{transform:scale(1.06)}
.portfolio-card__overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(15,25,35,.85) 100%);
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:24px;
}
.portfolio-card__overlay h3{color:#fff;margin-bottom:4px;font-size:1.1rem}
.portfolio-card__overlay p{color:rgba(255,255,255,.7);margin-bottom:0;font-size:.9rem}
.portfolio-card__yield{
  display:inline-flex;align-items:center;gap:4px;
  margin-top:8px;
  padding:4px 12px;
  background:rgba(42,157,110,.9);color:#fff;
  border-radius:6px;font-size:.85rem;font-weight:600;
}

/* --- FAQ --- */
.faq-item{border-bottom:1px solid var(--border-light)}
.faq-item__q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;
  cursor:pointer;
  font-weight:600;font-size:1.05rem;
  color:var(--text);
  transition:color var(--transition);
}
.faq-item__q:hover{color:var(--accent)}
.faq-item__q svg{
  width:20px;height:20px;flex-shrink:0;
  transition:transform var(--transition);
  color:var(--text-muted);
}
.faq-item.open .faq-item__q svg{transform:rotate(180deg)}
.faq-item__a{
  overflow:hidden;
  transition:max-height .4s var(--ease),padding .4s var(--ease);
  padding-bottom:20px;
}
.js .faq-item__a{max-height:0;padding-bottom:0}
.js .faq-item.open .faq-item__a{max-height:500px;padding-bottom:20px}
.faq-item__a p{font-size:.95rem}

/* --- Reviews --- */
.review{
  padding:32px;
  background:var(--bg);
  border:1px solid var(--border-light);
  border-radius:var(--radius);
}
.review__stars{color:var(--gold);font-size:1.1rem;margin-bottom:12px;letter-spacing:2px}
.review__text{font-size:.95rem;font-style:italic;margin-bottom:16px}
.review__author{font-weight:600;font-size:.9rem}
.review__meta{font-size:.8rem;color:var(--text-muted)}

/* --- WhatsApp Float --- */
.wa-float{
  position:fixed;bottom:24px;right:24px;z-index:90;
  width:60px;height:60px;
  background:#25d366;color:#fff;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 20px rgba(37,211,102,.4);
  transition:all var(--transition);
}
.wa-float:hover{transform:scale(1.1);box-shadow:0 6px 28px rgba(37,211,102,.5)}
.wa-float svg{width:32px;height:32px}

/* --- Modal --- */
.modal-overlay{
  display:none;position:fixed;inset:0;z-index:200;
  background:rgba(15,25,35,.5);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  align-items:center;justify-content:center;
  padding:16px;
}
.modal-overlay.open{display:flex}
.modal{
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(48px) saturate(200%);
  -webkit-backdrop-filter:blur(48px) saturate(200%);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  padding:48px 40px;
  max-width:480px;width:100%;
  position:relative;
}
.modal__close{
  position:absolute;top:16px;right:16px;
  width:36px;height:36px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  cursor:pointer;
  color:var(--text-muted);
  transition:all var(--transition);
}
.modal__close:hover{background:var(--bg-alt);color:var(--text)}
.modal h3{margin-bottom:8px}
.modal p{margin-bottom:24px}

/* --- Forms --- */
.form__group{margin-bottom:16px}
.form__group label{display:block;font-size:.85rem;font-weight:500;margin-bottom:6px;color:var(--text)}
.form__group input,.form__group textarea,.form__group select{
  width:100%;
  padding:14px 16px;
  background:var(--bg-alt);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  font-size:.95rem;
  color:var(--text);
  transition:border-color var(--transition);
}
.form__group input:focus,.form__group textarea:focus,.form__group select:focus{
  border-color:var(--accent);
  box-shadow:0 0 0 3px var(--accent-bg);
}
.form__group textarea{resize:vertical;min-height:100px}

/* --- Footer --- */
.footer{
  background:var(--bg-dark);
  color:var(--text-inverse);
  padding:clamp(48px,6vw,80px) 0 32px;
}
.footer__grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  margin-bottom:48px;
}
@media(max-width:768px){
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:480px){
  .footer__grid{grid-template-columns:1fr}
}
.footer h4{color:#fff;margin-bottom:16px;font-size:1rem}
.footer p{color:rgba(240,242,245,.6);font-size:.9rem}
.footer__links a{
  display:block;padding:6px 0;
  font-size:.9rem;color:rgba(240,242,245,.6);
  transition:color var(--transition);
}
.footer__links a:hover{color:#fff}
.footer__contact a{
  display:flex;align-items:center;gap:8px;
  padding:6px 0;font-size:.9rem;color:rgba(240,242,245,.6);
  transition:color var(--transition);
}
.footer__contact a:hover{color:#fff}
.footer__contact svg{width:18px;height:18px;flex-shrink:0}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:24px;
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:16px;
  font-size:.8rem;color:rgba(240,242,245,.4);
}
.footer__social{display:flex;gap:12px}
.footer__social a{
  width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);
  border-radius:50%;
  color:rgba(240,242,245,.6);
  transition:all var(--transition);
}
.footer__social a:hover{background:var(--accent);color:#fff}
.footer__social svg{width:18px;height:18px}

/* --- Breadcrumbs --- */
.breadcrumbs{
  padding:12px 0;
  font-size:.85rem;color:var(--text-muted);
}
.breadcrumbs a{color:var(--text-muted);transition:color var(--transition)}
.breadcrumbs a:hover{color:var(--accent)}
.breadcrumbs span{margin:0 8px;opacity:.5}

/* --- CTA Section --- */
.cta{
  background:linear-gradient(135deg,var(--accent-dark) 0%,var(--accent) 50%,var(--accent-light) 100%);
  color:#fff;
  text-align:center;
  padding:clamp(64px,8vw,96px) 0;
  border-radius:var(--radius-xl);
  margin:0 clamp(16px,4vw,32px);
}
.cta h2{color:#fff;margin-bottom:16px}
.cta p{color:rgba(255,255,255,.8);max-width:560px;margin:0 auto 32px}
.cta .btn--white{box-shadow:0 4px 16px rgba(0,0,0,.15)}

/* --- Utilities --- */
.text-center{text-align:center}
.text-accent{color:var(--accent)}
.text-gold{color:var(--gold)}
.mt-0{margin-top:0}.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mt-4{margin-top:32px}.mt-5{margin-top:48px}
.mb-0{margin-bottom:0}.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}.mb-4{margin-bottom:32px}.mb-5{margin-bottom:48px}
.py-1{padding-top:8px;padding-bottom:8px}.py-2{padding-top:16px;padding-bottom:16px}.py-3{padding-top:24px;padding-bottom:24px}
.hidden{display:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

/* --- Animations --- */
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
.js .fade-up{opacity:0;transform:translateY(24px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.js .fade-up.visible{opacity:1;transform:translateY(0)}

/* --- Print --- */
@media print{
  .header,.footer,.wa-float,.modal-overlay{display:none!important}
  body{font-size:12pt;color:#000}
  a{color:#000;text-decoration:underline}
}