/* ===================== TOKENS ===================== */
:root{
  --cream: #F3F0E1;
  --cream-2: #EAE5D1;
  --ink: #20231C;
  --ink-soft: #4B5044;
  --sage: #6E7C63;
  --sage-dark: #4B5745;
  --sage-tint: #DDE3D1;
  --charcoal: #191B15;
  --charcoal-2: #23261D;
  --lime: #CFE666;
  --white: #FFFFFF;
  --border: rgba(32,35,28,.14);
  --border-light: rgba(255,255,255,.16);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --shadow: 0 20px 50px -20px rgba(32,35,28,.25);
  --font-head: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--cream);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-head);margin:0 0 .5em;line-height:1.08;letter-spacing:-.01em;font-weight:600}
p{margin:0 0 1em;line-height:1.65;color:var(--ink-soft)}
ul{list-style:none;margin:0;padding:0}
button{font-family:inherit;cursor:pointer}
svg{width:1em;height:1em;fill:none}

.wrap{max-width:1200px;margin:0 auto;padding:0 28px}
.wrap--narrow{max-width:820px}

.eyebrow{
  font-family:var(--font-head);
  font-size:.8rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--sage-dark);
  font-weight:600;
  margin-bottom:.9em;
}
.eyebrow--light{color:var(--lime)}

.section{padding:100px 0}
.section--tint{background:var(--cream-2)}
.section--dark{background:var(--charcoal);color:var(--cream)}
.section--dark h2, .section--dark p{color:var(--cream)}
.section h2{font-size:clamp(1.8rem,3.4vw,2.6rem);max-width:14ch}

/* ===================== BUTTONS ===================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55em;
  padding:1em 1.7em;
  border-radius:999px;
  font-weight:600;
  font-size:.96rem;
  border:1.5px solid transparent;
  transition:transform .18s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space:nowrap;
}
.btn svg{width:1.15em;height:1.15em;flex:none}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--ink);color:var(--cream)}
.btn-primary:hover{background:var(--sage-dark)}
.btn-sm{padding:.75em 1.3em;font-size:.88rem}
.btn-outline{border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:var(--cream)}
.section--dark .btn-outline{border-color:var(--border-light);color:var(--cream)}
.section--dark .btn-outline:hover{background:var(--cream);color:var(--ink)}
.btn-cta{background:var(--lime);color:var(--charcoal)}
.btn-cta:hover{background:#e2f19c}
.btn-cta:disabled{opacity:.6;cursor:not-allowed}

/* ===================== LANGUAGE GATE ===================== */
.lang-gate{
  position:fixed;inset:0;z-index:999;
  background:var(--charcoal);
  display:flex;align-items:center;justify-content:center;
  transition:opacity .5s ease, visibility .5s ease;
}
.lang-gate.is-hidden{opacity:0;visibility:hidden;pointer-events:none}
.lang-gate__inner{display:flex;flex-direction:column;align-items:center;text-align:center;padding:32px}
.lang-gate__logo{width:220px;height:auto;margin-bottom:24px}
.lang-gate__eyebrow{
  color:var(--cream);font-family:var(--font-head);font-size:1.3rem;font-weight:600;margin-bottom:36px;letter-spacing:.02em;
}
.lang-gate__choices{display:flex;gap:20px;flex-wrap:wrap;justify-content:center}
.lang-gate__btn{
  background:var(--charcoal-2);
  border:1.5px solid var(--border-light);
  color:var(--cream);
  border-radius:var(--radius-md);
  padding:28px 44px;
  min-width:220px;
  display:flex;flex-direction:column;gap:6px;
  transition:border-color .2s ease, background .2s ease, transform .2s ease;
}
.lang-gate__btn:hover{border-color:var(--lime);background:#2b2f22;transform:translateY(-3px)}
.lang-gate__name{font-family:var(--font-head);font-size:1.4rem;font-weight:600}
.lang-gate__hint{font-size:.85rem;color:#a9ad9c}

/* ===================== HEADER ===================== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(243,240,225,.85);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.site-header__inner{display:flex;align-items:center;gap:24px;padding:16px 28px}
.brand{display:flex;align-items:center;gap:10px}
.brand__logo{height:46px;width:auto;display:block}
.main-nav{display:flex;gap:28px;margin-left:auto}
.main-nav a{font-size:.92rem;font-weight:500;color:var(--ink-soft);transition:color .15s}
.main-nav a:hover{color:var(--ink)}
.header-actions{display:flex;align-items:center;gap:18px}
.lang-switch{display:flex;align-items:center;gap:6px;font-size:.85rem;font-weight:600;color:var(--ink-soft)}
.lang-switch button{background:none;border:none;color:inherit;padding:2px}
.lang-switch button.is-active{color:var(--ink);text-decoration:underline;text-underline-offset:3px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;padding:6px}
.nav-toggle span{width:22px;height:2px;background:var(--ink)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===================== HERO ===================== */
.hero{padding:64px 0 0}
.hero__inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding-bottom:64px}
.hero__sub{max-width:46ch;font-size:1.05rem}
.hero h1{font-size:clamp(2.2rem,4.4vw,3.6rem);max-width:15ch}
.hero__ctas{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0 26px}
.hero__flags{display:flex;gap:22px;flex-wrap:wrap}
.hero__flags li{display:flex;align-items:center;gap:8px;font-weight:600;font-size:.9rem;color:var(--sage-dark)}
.hero__flags svg{width:18px;height:18px;color:var(--sage-dark)}
.hero__media{
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  overflow:hidden;
  aspect-ratio:4/3;
}
.hero__media img{width:100%;height:100%;object-fit:cover;display:block}

/* ===================== STAT STRIP ===================== */
.stat-strip{background:var(--ink);color:var(--cream)}
.stat-strip__grid{display:grid;grid-template-columns:repeat(4,1fr);padding:36px 28px}
.stat{display:flex;flex-direction:column;gap:6px;padding:0 20px;border-left:1px solid var(--border-light)}
.stat:first-child{border-left:none;padding-left:0}
.stat__num{font-family:var(--font-head);font-size:2rem;font-weight:700;color:var(--lime)}
.stat__num small{font-size:.55em;color:var(--lime)}
.stat__num--sm{font-size:1.3rem}
.stat span:last-child{font-size:.85rem;color:#c7cabb}

/* ===================== STEPS ===================== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:46px}
.step{padding:28px 22px;background:var(--white);border:1px solid var(--border);border-radius:var(--radius-md)}
.step__num{font-family:var(--font-head);font-size:.85rem;font-weight:700;color:var(--sage);display:block;margin-bottom:14px}
.step h3{font-size:1.08rem;margin-bottom:.5em}
.step p{font-size:.92rem;margin:0}

/* ===================== TANK CARDS ===================== */
.tank-cards{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:46px}
.tank-card{
  position:relative;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:40px 36px;
}
.tank-card--featured{
  background:var(--ink);
  color:var(--cream);
  border-color:var(--ink);
}
.tank-card--featured h3, .tank-card--featured p{color:var(--cream)}
.tank-card__icon{width:48px;margin-bottom:20px}
.tank-card__icon img{width:100%;height:auto;display:block}
.tank-card h3{font-size:1.4rem}
.tank-card ul{display:flex;flex-direction:column;gap:10px;margin:22px 0 6px}
.tank-card li{display:flex;align-items:flex-start;gap:10px;font-size:.94rem;font-weight:500}
.tank-card li svg{width:18px;height:18px;flex:none;margin-top:2px;color:var(--sage-dark)}
.tank-card--featured li svg{color:var(--lime)}
.badge{
  position:absolute;top:-14px;left:36px;
  background:var(--lime);color:var(--charcoal);
  font-size:.75rem;font-weight:700;letter-spacing:.03em;text-transform:uppercase;
  padding:8px 16px;border-radius:999px;
}
.tank-card__link{display:inline-block;margin-top:20px;font-weight:600;font-size:.92rem;color:var(--lime);border-bottom:1.5px solid var(--lime);padding-bottom:2px}

/* ===================== GRANT ===================== */
.grant__lead{max-width:62ch;font-size:1.08rem}
.grant__stats{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin:44px 0 30px}
.grant__stat{padding:30px 26px;background:var(--charcoal-2);border-radius:var(--radius-md);border:1px solid var(--border-light)}
.grant__num{display:block;font-family:var(--font-head);font-size:2.2rem;font-weight:700;color:var(--lime);margin-bottom:8px}
.grant__stat span:last-child{font-size:.88rem;color:#c7cabb}
.grant__disclaimer{font-size:.8rem;color:#8b8f7d;max-width:70ch}

/* ===================== COMPARE TABLE ===================== */
.compare-table{margin-top:44px;border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden}
.compare-table__row{display:grid;grid-template-columns:1.2fr 1fr 1fr;border-top:1px solid var(--border)}
.compare-table__row:first-child{border-top:none}
.compare-table__row--head{background:var(--ink);color:var(--cream);font-family:var(--font-head);font-weight:600;font-size:.92rem}
.compare-table__row > div{padding:16px 22px;font-size:.94rem;display:flex;align-items:center;gap:8px}
.compare-table__row:not(.compare-table__row--head) > div:first-child{font-weight:600;background:var(--cream-2)}
.ok{color:var(--sage-dark);font-weight:600}
.ok svg{width:17px;height:17px}
.bad{color:#a15a4a;font-weight:600}
.bad svg{width:17px;height:17px}

/* ===================== GALLERY ===================== */
.gallery{padding:70px 0}
.gallery__caption{font-family:var(--font-head);font-size:1.3rem;margin-bottom:26px;color:var(--ink)}
.gallery__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:0 28px;max-width:1200px;margin:0 auto}
.gallery__item{border-radius:var(--radius-md);overflow:hidden;aspect-ratio:3/4}
.gallery__item--tall{aspect-ratio:3/5}
.gallery__item img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.gallery__item:hover img{transform:scale(1.06)}

/* ===================== FAQ / ACCORDION ===================== */
.accordion{margin-top:40px;border-top:1px solid var(--border)}
.accordion__item{border-bottom:1px solid var(--border)}
.accordion__q{
  width:100%;background:none;border:none;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;font-family:var(--font-head);font-size:1.02rem;font-weight:600;color:var(--ink);
}
.accordion__q svg{width:20px;height:20px;color:var(--sage-dark);flex:none;transition:transform .25s ease}
.accordion__item.is-open .accordion__q svg{transform:rotate(45deg)}
.accordion__a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.accordion__a p{padding:0 4px 22px;margin:0;max-width:68ch}

/* ===================== CONTACT ===================== */
.contact__sub{font-size:1.05rem;max-width:50ch}
.contact-form{margin-top:36px;display:flex;flex-direction:column;gap:20px}
.field{display:flex;flex-direction:column;gap:8px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
label{font-size:.85rem;font-weight:600;color:var(--ink-soft)}
input,select,textarea{
  font-family:inherit;font-size:.98rem;color:var(--ink);
  background:var(--white);
  border:1.5px solid var(--border);
  border-radius:var(--radius-sm);
  padding:.85em 1em;
  outline:none;
  transition:border-color .15s;
}
input:focus,select:focus,textarea:focus{border-color:var(--sage-dark)}
textarea{resize:vertical}
.contact-form__actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:8px}
.contact-form__hint{font-size:.82rem;color:var(--ink-soft);opacity:.75;margin-top:4px;transition:opacity .2s}
.contact-form__success{font-size:.95rem;font-weight:600;color:var(--sage-dark);background:var(--sage-tint);border-radius:var(--radius-sm);padding:14px 18px;margin-top:4px}
.field-hidden{position:absolute;left:-9999px;top:-9999px;opacity:0;pointer-events:none}
.contact-direct{display:flex;gap:32px;flex-wrap:wrap;margin-top:44px;padding-top:32px;border-top:1px solid var(--border)}
.contact-direct a{display:flex;align-items:center;gap:10px;font-weight:600;font-size:1rem}
.contact-direct svg{width:22px;height:22px;color:var(--sage-dark)}

/* ===================== FOOTER ===================== */
.site-footer{background:var(--charcoal);color:var(--cream);padding:64px 0 0}
.site-footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:48px}
.site-footer__brand .brand__logo{height:40px}
.site-footer__brand p{color:#c7cabb;margin-top:14px;max-width:32ch}
.site-footer__col{display:flex;flex-direction:column;gap:12px}
.site-footer__col h4{font-family:var(--font-head);font-size:.85rem;text-transform:uppercase;letter-spacing:.08em;color:var(--lime);margin-bottom:6px}
.site-footer__col a{color:#c7cabb;font-size:.94rem}
.site-footer__col a:hover{color:var(--cream)}
.site-footer__legal{border-top:1px solid var(--border-light);padding:26px 28px 32px;display:flex;flex-direction:column;gap:10px}
.site-footer__legal p{color:#8b8f7d;font-size:.78rem;margin:0;max-width:80ch}

/* ===================== RESPONSIVE ===================== */
@media (max-width:980px){
  .main-nav{
    display:none;
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;
    background:var(--cream);
    border-bottom:1px solid var(--border);
    padding:8px 28px 20px;
    gap:2px;
    box-shadow:var(--shadow);
  }
  .main-nav.is-open{display:flex}
  .main-nav a{padding:12px 0;border-bottom:1px solid var(--border)}
  .main-nav a:last-child{border-bottom:none}
  .site-header__inner{position:relative;flex-wrap:wrap}
  .nav-toggle{display:flex}
  .hero__inner{grid-template-columns:1fr;gap:40px}
  .hero__media{order:-1}
  .stat-strip__grid{grid-template-columns:repeat(2,1fr);gap:24px 0}
  .stat{border-left:none;border-top:1px solid var(--border-light);padding:20px 0 0}
  .stat:nth-child(-n+2){border-top:none}
  .steps{grid-template-columns:1fr 1fr}
  .tank-cards{grid-template-columns:1fr}
  .grant__stats{grid-template-columns:1fr}
  .compare-table__row{grid-template-columns:1fr 1fr;font-size:.9rem}
  .compare-table__row > div:nth-child(3){display:none}
  .compare-table__row--head > div:nth-child(3){display:none}
  .gallery__grid{grid-template-columns:1fr 1fr}
  .field-row{grid-template-columns:1fr}
  .site-footer__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:600px){
  .section{padding:64px 0}
  .steps{grid-template-columns:1fr}
  .gallery__grid{grid-template-columns:1fr 1fr}
  .site-footer__grid{grid-template-columns:1fr}
  .site-header__inner{padding:14px 20px;gap:12px}
  .header-actions{gap:10px}
  .header-actions .btn-primary{display:none}
  .brand__logo{height:38px}
  .hero__media{aspect-ratio:1/1}
  .lang-gate__choices{flex-direction:column;width:100%}
  .lang-gate__btn{min-width:0}
}