:root {
  /* ALTERAR: CORES DO TEMA DA MARCA */
  --color-primary: #00865f;
  --color-primary-dark: #00523d;
  --color-primary-light: #38c98e;
  --color-background: #f6faf8;
  --color-surface: #ffffff;
  --color-soft: #e7f5ef;
  --color-text: #12352b;
  --color-muted: #57736b;
  --color-border: #cfe4db;
  --color-whatsapp: #20bd5a;
  --color-white: #ffffff;
  --color-highlight-text: #c7f7e2;
  --shadow: 0 22px 55px -28px rgba(0, 82, 61, .42);
  --radius: 20px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { background: var(--color-background); color: var(--color-text); font-family: "Inter", system-ui, sans-serif; line-height: 1.55; -webkit-font-smoothing: antialiased; }
body, a, button { -webkit-tap-highlight-color: transparent; }
h1, h2, h3 { font-family: "Plus Jakarta Sans", system-ui, sans-serif; line-height: 1.08; letter-spacing: -.025em; }
a { color: inherit; text-decoration: none; }
.container { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.icon { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: 0 0 auto; }
.icon-defs { position: absolute; }

.nav { position: relative; z-index: 20; color: var(--color-primary-dark); background: var(--color-white); border-bottom: 1px solid rgba(0, 82, 61, .1); box-shadow: 0 5px 18px rgba(0, 55, 41, .05); }
.nav-inner { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand-name { display: inline-flex; align-items: center; width: 230px; height: 66px; }
.brand-name img { display: block; width: 100%; height: 100%; object-fit: contain; object-position: left center; }
.nav-menu { display: flex; align-items: center; gap: 28px; font-size: .9rem; font-weight: 600; }
.nav-menu a { opacity: .82; transition: .2s; }
.nav-menu a:hover { opacity: 1; }
.nav-phone { display: inline-flex; align-items: center; gap: 8px; padding: 9px 15px; border: 1px solid rgba(0,82,61,.2); border-radius: 999px; font-weight: 700; }

.hero { position: relative; overflow: hidden; padding: 72px 0 92px; color: var(--color-white); background: radial-gradient(circle at 78% 42%, rgba(102,230,178,.18), transparent 31%), linear-gradient(135deg, #003e30, var(--color-primary) 58%, #0da874); }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(18px); opacity: .2; }
.hero::before { width: 420px; height: 420px; right: -160px; top: -190px; background: var(--color-white); }
.hero::after { width: 330px; height: 330px; left: -170px; bottom: -210px; background: var(--color-primary-light); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.badge { display: inline-flex; align-items: center; gap: 9px; padding: 7px 14px; border: 1px solid rgba(255,255,255,.25); border-radius: 999px; background: rgba(255,255,255,.09); font-size: .74rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--color-primary-light); box-shadow: 0 0 0 5px rgba(255,255,255,.09); }
.hero h1 { max-width: 680px; margin-top: 22px; font-size: clamp(2.35rem, 5vw, 3.65rem); }
.hero .accent { color: var(--color-highlight-text); }
.lead { max-width: 620px; margin-top: 20px; color: rgba(255,255,255,.86); font-size: 1.06rem; }
.cta-row { display: flex; gap: 12px; margin-top: 32px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 54px; padding: 14px 25px; border: 0; border-radius: 999px; font: 700 1rem "Inter", sans-serif; transition: transform .2s, filter .2s, background .2s; }
.btn:hover { transform: translateY(-2px); }
.btn.btn-whatsapp { background: var(--color-whatsapp); color: var(--color-white); }
.btn.btn-whatsapp:hover { filter: brightness(1.06); }
.btn-ghost { color: var(--color-white); background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.28); }
.btn-ghost:hover { background: rgba(255,255,255,.14); }
.hero-meta { display: flex; flex-wrap: wrap; gap: 12px 22px; margin-top: 30px; color: rgba(255,255,255,.8); font-size: .88rem; }
.hero-meta > span { display: inline-flex; align-items: center; gap: 7px; }
.hero-meta .icon { width: 16px; height: 16px; color: var(--color-highlight-text); }

.cylinder-stage { position: relative; min-height: 475px; display: grid; place-items: center; }
.cylinder-stage::before { display: none; }
#cylinder-image { position: relative; z-index: 2; width: min(420px, 94%); max-height: 510px; object-fit: contain; filter: drop-shadow(0 30px 25px rgba(0,0,0,.25)); }
.cylinder-placeholder { position: relative; z-index: 2; width: min(360px, 88%); min-height: 300px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; border: 2px dashed rgba(255,255,255,.32); border-radius: 28px; color: rgba(255,255,255,.78); text-align: center; padding: 28px; }
.cylinder-placeholder .icon { width: 48px; height: 48px; }
.cylinder-placeholder strong { color: var(--color-white); font-size: 1.05rem; }
.cylinder-placeholder span { max-width: 260px; font-size: .82rem; }
.delivery-card { position: absolute; z-index: 3; left: 2%; bottom: 9%; display: flex; align-items: center; gap: 12px; min-width: 180px; padding: 15px 18px; border-radius: 16px; color: var(--color-text); background: var(--color-surface); box-shadow: var(--shadow); }
.delivery-card > .icon { width: 26px; height: 26px; color: var(--color-primary); }
.delivery-card small { display: block; color: var(--color-muted); font-size: .7rem; }
.delivery-card strong { display: block; font-size: .94rem; }

section { padding: 84px 0; }
.section-heading { max-width: 680px; margin: 0 auto 44px; text-align: center; }
.section-heading span, .eyebrow { color: var(--color-primary); font-size: .74rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.section-heading h2, .location-copy h2 { margin-top: 8px; font-size: clamp(1.9rem, 4vw, 2.45rem); }
.products-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.products-grid:has(.product-card:only-child) { grid-template-columns: minmax(280px, 430px); justify-content: center; }
.product-card { display: flex; flex-direction: column; min-height: 185px; padding: 23px; border: 1px solid var(--color-border); border-radius: 17px; background: var(--color-surface); box-shadow: 0 2px 4px rgba(20,48,80,.025); transition: .22s; }
.product-card:hover { transform: translateY(-4px); border-color: var(--color-primary); box-shadow: var(--shadow); }
.product-icon { width: 46px; height: 46px; display: grid; place-items: center; margin-bottom: 16px; border-radius: 13px; color: var(--color-primary); background: var(--color-soft); }
.product-card h3 { font-size: 1.06rem; }
.product-card p { margin-top: 7px; color: var(--color-muted); font-size: .87rem; }
.product-card .order-link { display: inline-flex; align-items: center; gap: 6px; margin-top: auto; padding-top: 16px; color: var(--color-primary); font-size: .84rem; font-weight: 700; }

.benefits-section { background: var(--color-soft); }
.benefits-grid, .reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.benefit, .review { padding: 27px; border: 1px solid rgba(15,70,130,.08); border-radius: var(--radius); background: var(--color-surface); box-shadow: 0 3px 9px rgba(20,48,80,.035); }
.benefit-icon { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 18px; border-radius: 14px; color: var(--color-white); background: var(--color-primary); }
.benefit h3 { font-size: 1.06rem; }
.benefit p { margin-top: 8px; color: var(--color-muted); font-size: .9rem; }
.reviews-section { background: var(--color-background); }
.stars { color: #f5aa00; font-size: 1.05rem; letter-spacing: 2px; }
.review blockquote { margin-top: 14px; color: var(--color-text); }
.review figcaption { margin-top: 17px; color: var(--color-muted); font-size: .8rem; font-weight: 700; }

.location-section { background: var(--color-soft); }
.location-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 54px; align-items: center; }
.location-copy > p { max-width: 500px; margin-top: 16px; color: var(--color-muted); }
.address-card, .hours-card { display: flex; align-items: flex-start; gap: 13px; margin-top: 22px; }
.address-card .icon, .hours-card .icon { margin-top: 2px; color: var(--color-primary); }
.address-card small, .hours-card small { display: block; color: var(--color-muted); font-size: .72rem; }
.address-card strong, .hours-card strong { display: block; margin-top: 2px; font-size: .93rem; }
.location-copy .btn { margin-top: 28px; }
.map-wrap { min-height: 410px; overflow: hidden; border: 1px solid var(--color-border); border-radius: 24px; background: var(--color-surface); box-shadow: var(--shadow); }
.map-wrap iframe { width: 100%; height: 410px; border: 0; display: block; }

.final-cta { color: var(--color-white); text-align: center; background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary)); }
.final-cta > .container > span { color: var(--color-highlight-text); font-size: .74rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.final-cta h2 { margin-top: 8px; font-size: clamp(2rem, 4vw, 2.6rem); }
.final-cta p { margin-top: 13px; color: rgba(255,255,255,.82); }
.final-cta .btn { margin-top: 28px; }

footer { padding: 54px 0 24px; color: var(--color-white); background: var(--color-primary-dark); }
.footer-grid { display: grid; grid-template-columns: 1.15fr .85fr 1fr; gap: 46px; }
.footer-name { font: 800 1.25rem "Plus Jakarta Sans", sans-serif; }
.footer-grid h3 { color: var(--color-highlight-text); font-size: .94rem; }
.footer-grid p { max-width: 390px; margin-top: 12px; color: rgba(255,255,255,.7); font-size: .88rem; }
.footer-grid a { display: block; width: fit-content; margin-top: 10px; color: rgba(255,255,255,.82); font-size: .88rem; }
.copyright { margin-top: 42px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.6); text-align: center; font-size: .74rem; }
.mobile-actions { display: none; }

@media (max-width: 900px) {
  .nav-menu { display: none; }
  .hero-grid, .location-grid { grid-template-columns: 1fr; }
  .hero-copy { text-align: center; }
  .lead { margin-inline: auto; }
  .cta-row, .hero-meta { justify-content: center; }
  .cylinder-stage { min-height: 410px; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .location-copy { text-align: center; }
  .location-copy > p { margin-inline: auto; }
  .address-card, .hours-card { justify-content: center; text-align: left; }
}

@media (max-width: 640px) {
  body { padding-bottom: 68px; }
  .container { width: min(100% - 30px, 1120px); }
  .nav-inner { min-height: 72px; }
  .brand-name { width: 188px; height: 54px; }
  .nav-phone { display: none; }
  .hero { padding: 54px 0 60px; }
  .hero-grid { gap: 38px; }
  .hero h1 { font-size: 2.18rem; }
  .lead { font-size: .98rem; }
  .cta-row { flex-direction: column; }
  .cta-row .btn { width: 100%; }
  .hero-meta { display: grid; justify-items: center; }
  .cylinder-stage { min-height: 340px; }
  #cylinder-image { max-height: 345px; }
  .cylinder-placeholder { min-height: 245px; }
  .delivery-card { left: 10px; bottom: -8px; min-width: 172px; padding: 13px 15px; transform: none; }
  section { padding: 64px 0; }
  .products-grid, .benefits-grid, .reviews-grid, .footer-grid { grid-template-columns: 1fr; }
  .product-card { min-height: 160px; }
  .map-wrap, .map-wrap iframe { min-height: 330px; height: 330px; }
  .footer-grid { gap: 30px; text-align: center; }
  .footer-grid p, .footer-grid a { margin-inline: auto; }
  .mobile-actions { position: fixed; z-index: 50; inset: auto 0 0; height: 68px; display: grid; grid-template-columns: 1fr 1.35fr; background: var(--color-surface); box-shadow: 0 -8px 24px rgba(10,35,65,.13); }
  .mobile-actions a { display: flex; align-items: center; justify-content: center; gap: 8px; color: var(--color-primary); font-weight: 800; }
  .mobile-actions .btn-whatsapp { color: var(--color-white); background: var(--color-whatsapp); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}