:root {
  --ink: #0b1f19;
  --muted: #5e6e68;
  --green: #00a651;
  --green-dark: #087440;
  --lime: #b7e23a;
  --paper: #f6faf7;
  --white: #ffffff;
  --line: #dbe7df;
  --shadow: 0 18px 55px rgba(4, 55, 30, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, "Segoe UI", Arial, sans-serif; font-size: 16px; line-height: 1.6; }
img { max-width: 100%; display: block; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.site-header { position: sticky; top: 0; z-index: 20; height: 88px; padding: 0 clamp(24px, 6vw, 96px); display: flex; align-items: center; justify-content: space-between; background: rgba(246,250,247,.94); border-bottom: 1px solid rgba(11,31,25,.08); backdrop-filter: blur(16px); }
.brand img { width: 138px; height: 72px; object-fit: contain; }
nav { display: flex; align-items: center; gap: 34px; }
nav a { text-decoration: none; text-transform: uppercase; font-size: .82rem; font-weight: 800; letter-spacing: .11em; position: relative; }
nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -7px; height: 2px; background: var(--green); transition: right .2s ease; }
nav a:hover::after, nav a:focus-visible::after { right: 0; }
.menu-toggle { display: none; }

.hero { min-height: calc(100vh - 88px); padding: clamp(64px, 8vw, 120px) clamp(24px, 7vw, 112px); display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(48px, 7vw, 110px); align-items: center; overflow: hidden; background: radial-gradient(circle at 79% 42%, rgba(183,226,58,.24), transparent 25%), linear-gradient(135deg, #f9fcfa 0%, #eaf5ee 100%); }
.hero-copy { max-width: 720px; }
.eyebrow { margin: 0 0 14px; color: var(--green-dark); text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; font-weight: 900; }
h1, h2, h3 { margin-top: 0; line-height: 1.05; letter-spacing: -.035em; }
h1 { margin-bottom: 26px; font-size: clamp(3.4rem, 7vw, 7.3rem); max-width: 820px; }
h2 { margin-bottom: 24px; font-size: clamp(2.25rem, 4vw, 4.4rem); }
h3 { font-size: 1.22rem; }
.hero-text { max-width: 610px; margin: 0 0 34px; color: var(--muted); font-size: clamp(1.05rem, 1.5vw, 1.3rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.button { min-height: 52px; padding: 14px 22px; border-radius: 3px; display: inline-flex; align-items: center; justify-content: center; font-weight: 800; text-decoration: none; }
.button.primary { color: white; background: var(--green); }
.button.secondary { border: 1px solid var(--ink); }
.market-line { margin-top: 38px; display: flex; flex-wrap: wrap; gap: 10px 20px; color: var(--muted); font-size: .84rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }
.market-line span { position: relative; }
.market-line span:not(:last-child)::after { content: "/"; position: absolute; right: -13px; color: #9aaba4; }
.hero-visual { position: relative; min-height: 610px; display: flex; align-items: center; justify-content: center; }
.hero-visual > img { position: relative; z-index: 2; width: min(100%, 470px); max-height: 650px; object-fit: cover; object-position: top center; border-radius: 150px 12px 150px 12px; box-shadow: var(--shadow); }
.solar-ring { position: absolute; width: min(38vw, 540px); aspect-ratio: 1; border: 2px dashed rgba(0,166,81,.35); border-radius: 50%; animation: rotate 30s linear infinite; }
.solar-ring::before, .solar-ring::after { content: ""; position: absolute; inset: 9%; border: 1px solid rgba(0,166,81,.20); border-radius: 50%; }
.solar-ring::after { inset: 22%; background: rgba(183,226,58,.18); }
.hero-stat { position: absolute; z-index: 3; right: 0; bottom: 8%; width: 190px; padding: 18px; color: white; background: var(--ink); box-shadow: var(--shadow); }
.hero-stat strong { display: block; color: var(--lime); font-size: 2.4rem; line-height: 1; }
.hero-stat span { font-size: .84rem; line-height: 1.3; }
@keyframes rotate { to { transform: rotate(360deg); } }

.section { padding: clamp(82px, 10vw, 150px) clamp(24px, 7vw, 112px); scroll-margin-top: 80px; }
.section-heading { max-width: 880px; }
.about { background: var(--ink); color: white; }
.about .eyebrow { color: var(--lime); }
.about-grid { margin-top: 56px; display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(50px, 9vw, 140px); }
.about-story { color: #c5d1cc; font-size: 1.12rem; }
.about-story p:first-child { color: white; font-size: 1.4rem; }
.about-points { border-top: 1px solid #33453f; }
.about-points article { padding: 24px 0; display: grid; grid-template-columns: 52px 1fr; border-bottom: 1px solid #33453f; }
.about-points span { grid-row: span 2; color: var(--lime); font-weight: 900; }
.about-points h3, .about-points p { margin: 0; }
.about-points p { color: #aebdb7; }

.products { background: var(--white); }
.products-heading { max-width: none; display: grid; grid-template-columns: 1fr 390px; align-items: end; gap: 40px; }
.products-heading > p { color: var(--muted); margin: 0 0 26px; }
.series-tabs { margin: 48px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); }
.series-tab { padding: 20px; border: 0; border-right: 1px solid var(--line); color: var(--muted); background: white; font: inherit; font-weight: 800; cursor: pointer; }
.series-tab:last-child { border-right: 0; }
.series-tab span { margin-left: 7px; padding: 2px 8px; border-radius: 100px; background: #edf4ef; font-size: .76rem; }
.series-tab.active { color: white; background: var(--green-dark); }
.series-tab.active span { color: var(--ink); background: var(--lime); }
.series-intro { margin: 26px 0 28px; display: flex; align-items: center; justify-content: space-between; color: var(--muted); }
.series-intro strong { color: var(--ink); }
.product-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
.product-card { position: relative; min-width: 0; border: 1px solid var(--line); background: white; transition: transform .2s ease, box-shadow .2s ease; }
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.product-open { width: 100%; padding: 0; border: 0; background: transparent; color: inherit; text-align: left; cursor: pointer; }
.product-image { aspect-ratio: 4 / 3; overflow: hidden; background: #edf3ef; border-bottom: 1px solid var(--line); }
.product-image img { width: 100%; height: 100%; object-fit: cover; object-position: center 24%; transition: transform .3s ease; }
.product-card:hover .product-image img { transform: scale(1.025); }
.product-info { min-height: 178px; padding: 19px 19px 16px; }
.product-number { display: block; margin-bottom: 12px; color: var(--green-dark); font-size: .72rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.product-info h3 { margin: 0 0 12px; color: var(--green-dark); font-size: 1.22rem; line-height: 1.25; overflow-wrap: anywhere; }
.product-info p { margin: 0; color: var(--muted); font-size: .88rem; line-height: 1.45; overflow-wrap: anywhere; }
.product-info p strong { color: var(--ink); }
.view-sheet { display: block; padding: 15px 19px 17px; color: var(--green-dark); font-size: .8rem; font-weight: 900; text-transform: uppercase; letter-spacing: .06em; }

.workshop { background: #edf6ef; }
.workshop-intro { color: var(--muted); }
.workshop-intro > p { margin: 0 0 18px; }
.workshop-grid { margin-top: 54px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.workshop-card { overflow: hidden; border: 1px solid var(--line); background: white; box-shadow: 0 12px 35px rgba(4, 55, 30, .08); }
.workshop-card video { display: block; width: 100%; aspect-ratio: 16 / 10; background: #0b1f19; object-fit: cover; }
.workshop-card h3 { margin: 18px 18px 4px; color: var(--green-dark); font-size: 1.12rem; }
.workshop-card p { margin: 0 18px 19px; color: var(--muted); font-size: .9rem; }

.contact { display: grid; grid-template-columns: 1fr minmax(360px, 520px); gap: clamp(55px, 10vw, 150px); align-items: center; background: linear-gradient(125deg, #dff3e6, #f4fae7); }
.contact-copy p:last-child { max-width: 570px; color: var(--muted); font-size: 1.12rem; }
.contact-card { padding: clamp(28px, 4vw, 50px); background: white; box-shadow: var(--shadow); }
.contact-card > div { padding: 18px 0; display: grid; grid-template-columns: 110px 1fr; border-bottom: 1px solid var(--line); }
.contact-card > div:last-child { border-bottom: 0; }
.contact-card .contact-divider { margin-top: 18px; padding-top: 28px; border-top: 2px solid var(--line); }
.contact-card span { color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; }
.contact-card a, .contact-card strong { font-size: 1.08rem; text-decoration: none; }
.contact-card a:hover { color: var(--green-dark); }

footer { padding: 28px clamp(24px, 7vw, 112px); display: grid; grid-template-columns: auto 1fr auto; gap: 32px; align-items: center; color: #bac7c1; background: #06130f; font-size: .84rem; }
footer img { width: 108px; background: transparent; }
footer p { margin: 0; }

.whatsapp-float { position: fixed; z-index: 18; right: 24px; bottom: 24px; width: 56px; height: 56px; display: inline-flex; align-items: center; justify-content: center; color: white; background: #16a34a; border-radius: 999px; box-shadow: 0 12px 28px rgba(4, 55, 30, .22); text-decoration: none; transition: transform .2s ease, background .2s ease; }
.whatsapp-float:hover, .whatsapp-float:focus-visible { color: white; background: #0e873d; transform: translateY(-3px); }
.whatsapp-float svg { width: 27px; height: 27px; fill: currentColor; }
.whatsapp-anna { bottom: 92px; background: #16a34a; }
.whatsapp-anna:hover, .whatsapp-anna:focus-visible { background: #0e873d; }

dialog { width: min(96vw, 990px); max-height: 92vh; padding: 0; border: 0; color: var(--ink); background: white; box-shadow: 0 30px 100px rgba(0,0,0,.4); }
dialog::backdrop { background: rgba(1,12,8,.82); backdrop-filter: blur(5px); }
.dialog-close { position: sticky; z-index: 3; top: 12px; float: right; margin: 12px 12px -64px 0; width: 46px; height: 46px; border: 0; border-radius: 50%; color: white; background: rgba(6,19,15,.9); font-size: 1.8rem; cursor: pointer; }
.dialog-copy { padding: 34px 72px 22px 34px; border-bottom: 1px solid var(--line); }
.dialog-copy h2 { margin-bottom: 8px; font-size: clamp(1.7rem, 4vw, 3rem); }
.dialog-copy p:last-child { margin: 0; color: var(--muted); }
#dialog-image { width: 100%; height: auto; }

@media (max-width: 1100px) {
  .hero { grid-template-columns: 1fr 1fr; }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 780px) {
  .site-header { height: 74px; }
  .brand img { width: 112px; height: 60px; }
  .menu-toggle { display: block; padding: 10px 14px; border: 0; background: transparent; font: inherit; font-weight: 800; }
  nav { position: absolute; left: 0; right: 0; top: 74px; padding: 24px; display: none; flex-direction: column; align-items: flex-start; background: var(--paper); border-bottom: 1px solid var(--line); }
  nav.open { display: flex; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding-top: 70px; }
  .hero-visual { min-height: 470px; }
  .solar-ring { width: 92vw; }
  .hero-visual > img { width: min(84vw, 420px); max-height: 500px; }
  .about-grid, .products-heading, .contact { grid-template-columns: 1fr; }
  .workshop-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .series-tabs { grid-template-columns: 1fr; }
  .series-tab { border-right: 0; border-bottom: 1px solid var(--line); }
  .series-tab:last-child { border-bottom: 0; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  footer { grid-template-columns: 1fr; }
}

@media (max-width: 510px) {
  h1 { font-size: 3rem; }
  .hero-stat { right: 2%; width: 160px; }
  .product-grid { grid-template-columns: 1fr; }
  .workshop-grid { grid-template-columns: 1fr; }
  .product-info { min-height: 0; }
  .contact-card > div { grid-template-columns: 1fr; gap: 4px; }
  .whatsapp-float { right: 15px; bottom: 15px; width: 52px; height: 52px; }
  .whatsapp-anna { bottom: 79px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}