/* ==========================================================================
   Sterilco — Hexamine (Urotropine) microsite
   Single stylesheet. No external fonts, no frameworks, no web requests.
   ========================================================================== */

/* --- 1. Tokens ---------------------------------------------------------- */
:root {
  /* Brand — sampled from the Sterilco logo & sterilco.pl */
  --navy-900: #08243f;
  --navy-800: #0b2e4f;
  --navy-700: #123f68;
  --navy-600: #17548a;
  --blue-500: #0084d6;
  --blue-400: #2ea1e8;
  --blue-300: #7fc6f2;
  --blue-100: #d9edfb;
  --blue-50:  #eef7fe;
  --leaf-600: #3f9142;
  --leaf-500: #56b45a;
  --leaf-100: #e4f4e5;

  /* Neutrals */
  --ink:      #14212e;
  --ink-soft: #3d4f60;
  --muted:    #6a7b8b;
  --line:     #e2eaf2;
  --line-soft:#eef3f8;
  --paper:    #ffffff;
  --paper-2:  #f5f9fd;
  --paper-3:  #eaf2f9;

  /* Type */
  --font: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "Cascadia Mono", Consolas, "SF Mono", "Roboto Mono", monospace;

  /* Space & shape */
  --r-sm: 8px;
  --r:    14px;
  --r-lg: 22px;
  --shadow-s: 0 1px 2px rgba(11, 46, 79, .06), 0 2px 8px rgba(11, 46, 79, .05);
  --shadow-m: 0 2px 6px rgba(11, 46, 79, .06), 0 12px 32px rgba(11, 46, 79, .09);
  --shadow-l: 0 6px 18px rgba(11, 46, 79, .08), 0 28px 60px rgba(11, 46, 79, .13);
  --ease: cubic-bezier(.22, .68, .3, 1);
  --wrap: 1180px;
}

/* --- 2. Reset ----------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-soft);
  background: var(--paper);
  overflow-x: hidden;
}
img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: var(--blue-500); text-decoration: none; }
a:hover { color: var(--navy-700); }
h1, h2, h3, h4 { color: var(--navy-800); font-weight: 700; line-height: 1.18; margin: 0 0 .5em; letter-spacing: -.02em; }
h1 { font-size: clamp(2.1rem, 1.3rem + 3vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 1.1rem + 2vw, 2.45rem); }
h3 { font-size: clamp(1.15rem, 1rem + .6vw, 1.4rem); }
h4 { font-size: 1.02rem; }
p  { margin: 0 0 1.1em; }
ul, ol { margin: 0 0 1.1em; padding-left: 1.25em; }
li { margin-bottom: .4em; }
strong { color: var(--navy-800); font-weight: 650; }
:focus-visible { outline: 3px solid var(--blue-400); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--blue-100); color: var(--navy-900); }

/* --- 3. Layout helpers -------------------------------------------------- */
.wrap { width: min(100% - 2.5rem, var(--wrap)); margin-inline: auto; }
.wrap-narrow { width: min(100% - 2.5rem, 860px); margin-inline: auto; }
.section { padding: clamp(3.5rem, 2rem + 6vw, 6.5rem) 0; position: relative; }
.section--tight { padding: clamp(2.5rem, 1.5rem + 4vw, 4.5rem) 0; }
.section--soft { background: var(--paper-2); }
.section--mesh {
  background:
    radial-gradient(60rem 32rem at 12% -10%, var(--blue-50), transparent 62%),
    radial-gradient(48rem 30rem at 92% 8%, #f0faf1, transparent 60%),
    var(--paper);
}
.grid { display: grid; gap: 1.5rem; }
.g-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem, 1rem + 4vw, 4.5rem); align-items: center; }
.center { text-align: center; }
.center .lead { margin-inline: auto; }
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--navy-800); color: #fff; padding: .8rem 1.2rem; border-radius: 0 0 var(--r-sm) 0;
}
.skip-link:focus { left: 0; color: #fff; }

/* --- 4. Type utilities -------------------------------------------------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: .55rem;
  font-size: .78rem; font-weight: 700; letter-spacing: .13em; text-transform: uppercase;
  color: var(--blue-500); margin-bottom: .9rem;
}
.eyebrow::before {
  content: ""; width: 22px; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--blue-500), var(--leaf-500));
}
.eyebrow--center::before { display: none; }
.lead { font-size: clamp(1.03rem, .98rem + .35vw, 1.2rem); color: var(--ink-soft); max-width: 62ch; }
.small { font-size: .87rem; }
.muted { color: var(--muted); }
.hl { color: var(--blue-500); }
.section-head { max-width: 68ch; margin-bottom: clamp(2rem, 1rem + 2vw, 3rem); }
.section-head.center { margin-inline: auto; }

/* --- 5. Buttons --------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  padding: .85rem 1.6rem; border-radius: 999px; border: 1.5px solid transparent;
  font-size: .96rem; font-weight: 650; font-family: inherit; line-height: 1.2;
  cursor: pointer; text-align: center;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.btn svg { flex: 0 0 auto; }
.btn--primary {
  background: linear-gradient(135deg, var(--blue-500), var(--navy-600) 65%, var(--navy-700));
  color: #fff; box-shadow: 0 6px 18px rgba(0, 132, 214, .28);
}
.btn--primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 12px 28px rgba(0, 132, 214, .36); }
.btn--ghost { background: rgba(255, 255, 255, .7); border-color: var(--line); color: var(--navy-800); }
.btn--ghost:hover { border-color: var(--blue-400); color: var(--navy-800); background: #fff; transform: translateY(-2px); }
.btn--leaf { background: linear-gradient(135deg, var(--leaf-500), var(--leaf-600)); color: #fff; box-shadow: 0 6px 18px rgba(63, 145, 66, .26); }
.btn--leaf:hover { color: #fff; transform: translateY(-2px); }
.btn--light { background: #fff; color: var(--navy-800); }
.btn--light:hover { color: var(--navy-900); transform: translateY(-2px); }
.btn--outline-light { border-color: rgba(255, 255, 255, .45); color: #fff; }
.btn--outline-light:hover { color: var(--navy-800); background: #fff; }
.btn--sm { padding: .6rem 1.15rem; font-size: .87rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: .8rem; }
.arrow-link { display: inline-flex; align-items: center; gap: .45rem; font-weight: 650; font-size: .93rem; }
.arrow-link::after { content: "\2192"; transition: transform .25s var(--ease); }
.arrow-link:hover::after { transform: translateX(4px); }

/* --- 6. Top bar & header ------------------------------------------------ */
.topbar {
  background: var(--navy-800); color: rgba(255, 255, 255, .78);
  font-size: .82rem; letter-spacing: .01em;
}
.topbar__inner { display: flex; justify-content: space-between; align-items: center; gap: 1rem; min-height: 40px; flex-wrap: wrap; }
.topbar__list { display: flex; gap: 1.4rem; list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
.topbar__list li { margin: 0; display: flex; align-items: center; gap: .45rem; }
.topbar a { color: rgba(255, 255, 255, .85); }
.topbar a:hover { color: #fff; }
.topbar__badge {
  display: inline-flex; align-items: center; gap: .4rem;
  background: rgba(86, 180, 90, .2); color: #a9e6ac;
  padding: .15rem .6rem; border-radius: 999px; font-weight: 650; font-size: .75rem;
}
.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--leaf-500); box-shadow: 0 0 0 0 rgba(86, 180, 90, .6); animation: pulse 2.4s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 7px rgba(86, 180, 90, 0); } 100% { box-shadow: 0 0 0 0 rgba(86, 180, 90, 0); } }

.site-header {
  position: sticky; top: 0; z-index: 90;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line-soft);
  transition: box-shadow .3s var(--ease), background .3s var(--ease);
}
.site-header.is-stuck { box-shadow: var(--shadow-s); background: rgba(255, 255, 255, .96); }
.nav { display: flex; align-items: center; gap: 1.2rem; min-height: 74px; }
.brand { display: flex; align-items: center; gap: .7rem; margin-right: auto; }
.brand img { width: 168px; }
.brand__tag {
  display: none; padding-left: .8rem; border-left: 1px solid var(--line);
  font-size: .72rem; line-height: 1.25; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; font-weight: 650;
}
@media (min-width: 1080px) { .brand__tag { display: block; } }

.nav__menu { display: flex; align-items: center; gap: .4rem; }
.nav__list { display: flex; align-items: center; gap: .25rem; list-style: none; margin: 0; padding: 0; }
.nav__list li { margin: 0; }
.nav__list a {
  display: block; padding: .55rem .85rem; border-radius: 999px;
  color: var(--navy-800); font-size: .94rem; font-weight: 600;
  transition: background .2s var(--ease), color .2s var(--ease);
}
.nav__list a:hover { background: var(--blue-50); }
.nav__list a[aria-current="page"] { color: var(--blue-500); background: var(--blue-50); }
.nav__cta { margin-left: .6rem; }
.nav-toggle {
  display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 12px;
  background: #fff; cursor: pointer; padding: 0; place-items: center;
}
.nav-toggle span { display: block; width: 19px; height: 2px; background: var(--navy-800); border-radius: 2px; position: relative; transition: transform .3s var(--ease), background .2s; }
.nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 0; width: 19px; height: 2px; background: var(--navy-800); border-radius: 2px; transition: transform .3s var(--ease), top .2s var(--ease);
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after  { top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after  { top: 0; transform: rotate(-45deg); }

@media (max-width: 960px) {
  .nav-toggle { display: grid; }
  .nav__menu {
    display: block;
    position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-m); padding: 1rem 1.25rem 1.6rem;
    transform: translateY(-12px); opacity: 0; visibility: hidden;
    transition: transform .28s var(--ease), opacity .28s var(--ease), visibility .28s var(--ease);
    max-height: calc(100vh - 120px); overflow-y: auto;
  }
  .nav__menu.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav__list { flex-direction: column; align-items: stretch; gap: .15rem; }
  .nav__list a { padding: .85rem 1rem; border-radius: var(--r-sm); font-size: 1.02rem; }
  .nav__cta { margin: .8rem 0 0; display: flex; }
  .nav__cta .btn { width: 100%; }
}

/* --- 7. Hero ------------------------------------------------------------ */
.hero { position: relative; overflow: hidden; background: linear-gradient(168deg, #f3f9ff 0%, #ffffff 46%, #f2fbf3 100%); }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='97' viewBox='0 0 56 97'%3E%3Cpath d='M28 0l28 16.2v32.3L28 64.7 0 48.5V16.2zM28 48.5l28 16.2v32.3' fill='none' stroke='%230084d6' stroke-width='1' opacity='.14'/%3E%3C/svg%3E");
  opacity: .8; pointer-events: none;
}
.hero__inner { position: relative; display: grid; grid-template-columns: 1.02fr .98fr; gap: clamp(2rem, 1rem + 3vw, 3.5rem); align-items: center; padding: clamp(3rem, 1.5rem + 5vw, 5.5rem) 0 clamp(3rem, 1.5rem + 4vw, 5rem); }
.hero__badge {
  display: inline-flex; align-items: center; gap: .5rem; background: #fff; border: 1px solid var(--line);
  border-radius: 999px; padding: .4rem .95rem .4rem .5rem; font-size: .8rem; font-weight: 650; color: var(--navy-700);
  box-shadow: var(--shadow-s); margin-bottom: 1.4rem;
}
.hero__badge b { background: var(--blue-500); color: #fff; border-radius: 999px; padding: .15rem .6rem; font-size: .72rem; letter-spacing: .06em; }
.hero h1 { color: var(--navy-900); margin-bottom: .55em; }
.hero h1 .grad {
  background: linear-gradient(100deg, var(--blue-500) 10%, var(--navy-700) 55%, var(--leaf-600));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__lead { font-size: clamp(1.05rem, 1rem + .4vw, 1.22rem); max-width: 54ch; }
.hero__cta { margin: 2rem 0 2.2rem; }
.hero__facts { display: flex; flex-wrap: wrap; gap: .5rem 2rem; border-top: 1px solid var(--line); padding-top: 1.4rem; }
.hero__fact { display: flex; flex-direction: column; }
.hero__fact b { font-size: 1.32rem; color: var(--navy-800); letter-spacing: -.02em; }
.hero__fact span { font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); font-weight: 600; }

/* Hero visual: photo + floating molecule + chips */
.hero__visual { position: relative; }
.hero__photo {
  position: relative; border-radius: 26px; overflow: hidden; box-shadow: var(--shadow-l);
  aspect-ratio: 4 / 3.1;
}
.hero__photo img { width: 100%; height: 100%; object-fit: cover; }
.hero__photo::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(200deg, rgba(0, 132, 214, .16), transparent 45%, rgba(11, 46, 79, .3));
}
.chip {
  position: absolute; z-index: 2; background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(226, 234, 242, .9); border-radius: 16px; padding: .7rem .95rem;
  box-shadow: var(--shadow-m); display: flex; align-items: center; gap: .7rem;
  animation: float 7s ease-in-out infinite;
}
.chip b { display: block; font-size: .95rem; color: var(--navy-800); line-height: 1.2; }
.chip span { font-size: .73rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; font-weight: 650; }
.chip__ico { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; flex: 0 0 auto; background: var(--blue-50); color: var(--blue-500); }
.chip--a { left: -18px; top: 12%; animation-delay: -1s; }
.chip--b { right: -14px; bottom: 16%; animation-delay: -3.5s; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

.molecule {
  position: absolute; right: -26px; top: -30px; width: 148px; z-index: 3;
  filter: drop-shadow(0 12px 26px rgba(11, 46, 79, .18));
}
.molecule svg { animation: spin 26s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Compact hero for inner pages */
.pagehead {
  position: relative; overflow: hidden; padding: clamp(2.5rem, 1.5rem + 3vw, 4rem) 0 clamp(2.5rem, 1.5rem + 3vw, 3.6rem);
  background: linear-gradient(160deg, var(--navy-800), var(--navy-700) 55%, #16608f);
  color: rgba(255, 255, 255, .84);
}
.pagehead::before {
  content: ""; position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='97' viewBox='0 0 56 97'%3E%3Cpath d='M28 0l28 16.2v32.3L28 64.7 0 48.5V16.2zM28 48.5l28 16.2v32.3' fill='none' stroke='%23ffffff' stroke-width='1' opacity='.12'/%3E%3C/svg%3E");
}
.pagehead::after {
  content: ""; position: absolute; right: -8%; top: -30%; width: 46rem; height: 46rem; border-radius: 50%;
  background: radial-gradient(circle, rgba(86, 180, 90, .28), transparent 62%);
}
.pagehead .wrap { position: relative; z-index: 1; }
.pagehead h1 { color: #fff; max-width: 20ch; }
.pagehead .lead { color: rgba(255, 255, 255, .82); }
.pagehead .eyebrow { color: var(--blue-300); }
.pagehead .eyebrow::before { background: linear-gradient(90deg, var(--blue-300), var(--leaf-500)); }

.crumbs { display: flex; flex-wrap: wrap; gap: .45rem; list-style: none; margin: 0 0 1.2rem; padding: 0; font-size: .82rem; }
.crumbs li { margin: 0; color: rgba(255, 255, 255, .6); }
.crumbs li + li::before { content: "/"; margin-right: .45rem; opacity: .5; }
.crumbs a { color: rgba(255, 255, 255, .78); }
.crumbs a:hover { color: #fff; }

/* --- 8. Cards ----------------------------------------------------------- */
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 1.7rem; box-shadow: var(--shadow-s); position: relative;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
  height: 100%;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-m); border-color: var(--blue-300); }
.card h3 { margin-bottom: .5rem; }
.card p:last-child { margin-bottom: 0; }
.card__num {
  font-family: var(--mono); font-size: .78rem; font-weight: 700; color: var(--blue-400);
  letter-spacing: .1em; display: block; margin-bottom: .8rem;
}
.card--flat { box-shadow: none; }
.card--flat:hover { transform: none; box-shadow: var(--shadow-s); }

.ico-hex {
  width: 54px; height: 54px; display: grid; place-items: center; margin-bottom: 1.1rem;
  color: var(--blue-500); background: linear-gradient(140deg, var(--blue-50), #fff);
  border: 1px solid var(--blue-100);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  transition: color .3s var(--ease), background .3s var(--ease);
}
.card:hover .ico-hex { color: #fff; background: linear-gradient(140deg, var(--blue-500), var(--navy-600)); }
.ico-hex--leaf { color: var(--leaf-600); background: linear-gradient(140deg, var(--leaf-100), #fff); border-color: #cfe9d0; }
.card:hover .ico-hex--leaf { background: linear-gradient(140deg, var(--leaf-500), var(--leaf-600)); color: #fff; }

/* --- 9. Spec table & data ---------------------------------------------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); background: #fff; box-shadow: var(--shadow-s); }
table { width: 100%; border-collapse: collapse; font-size: .95rem; min-width: 520px; }
caption { text-align: left; padding: 1rem 1.2rem; font-weight: 650; color: var(--navy-800); border-bottom: 1px solid var(--line); background: var(--paper-2); }
th, td { padding: .85rem 1.2rem; text-align: left; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
thead th { background: var(--paper-2); color: var(--navy-800); font-size: .78rem; text-transform: uppercase; letter-spacing: .09em; }
tbody tr:last-child td, tbody tr:last-child th { border-bottom: 0; }
tbody th { font-weight: 600; color: var(--navy-800); width: 38%; }
tbody tr:hover { background: var(--blue-50); }
td .mono, .mono { font-family: var(--mono); font-size: .93em; color: var(--navy-700); }

.stat-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.stat { background: #fff; padding: 1.6rem 1.3rem; text-align: center; }
.stat b { display: block; font-size: clamp(1.7rem, 1.2rem + 1.6vw, 2.4rem); color: var(--navy-800); letter-spacing: -.03em; line-height: 1.1; }
.stat span { font-size: .8rem; color: var(--muted); text-transform: uppercase; letter-spacing: .09em; font-weight: 650; }

/* Property strip */
.props { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1px; background: var(--line); border-radius: var(--r); overflow: hidden; border: 1px solid var(--line); }
.prop { background: #fff; padding: 1.2rem 1.1rem; transition: background .25s var(--ease); }
.prop:hover { background: var(--blue-50); }
.prop span { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); font-weight: 700; margin-bottom: .3rem; }
.prop b { font-size: 1.05rem; color: var(--navy-800); font-family: var(--mono); font-weight: 600; }

/* --- 10. Tabs (applications) ------------------------------------------- */
.tabs { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 2rem; }
.tab {
  border: 1px solid var(--line); background: #fff; color: var(--navy-800);
  padding: .6rem 1.15rem; border-radius: 999px; font: inherit; font-size: .89rem; font-weight: 600; cursor: pointer;
  transition: .25s var(--ease);
}
.tab:hover { border-color: var(--blue-400); }
.tab[aria-selected="true"] { background: var(--navy-800); border-color: var(--navy-800); color: #fff; }
.tab-panel[hidden] { display: none; }

/* --- 11. Accordion ------------------------------------------------------ */
.acc { border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; background: #fff; box-shadow: var(--shadow-s); }
.acc__item + .acc__item { border-top: 1px solid var(--line-soft); }
.acc__btn {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.1rem 1.4rem; background: none; border: 0; cursor: pointer;
  font: inherit; font-size: 1rem; font-weight: 650; color: var(--navy-800); text-align: left;
  transition: background .2s var(--ease);
}
.acc__btn:hover { background: var(--blue-50); }
.acc__btn::after {
  content: ""; flex: 0 0 auto; width: 11px; height: 11px; border-right: 2px solid var(--blue-500); border-bottom: 2px solid var(--blue-500);
  transform: rotate(45deg) translate(-2px, -2px); transition: transform .3s var(--ease);
}
.acc__btn[aria-expanded="true"]::after { transform: rotate(225deg) translate(-2px, -2px); }
.acc__panel { padding: 0 1.4rem 1.3rem; max-width: 78ch; }
.acc__panel[hidden] { display: none; }

/* --- 12. Feature media rows -------------------------------------------- */
.media { border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-m); position: relative; }
.media img { width: 100%; }
.media--tint::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0, 132, 214, .1), rgba(11, 46, 79, .22)); }
.media__caption {
  position: absolute; left: 1rem; right: 1rem; bottom: 1rem; z-index: 2;
  background: rgba(255, 255, 255, .93); border-radius: 12px; padding: .7rem .95rem;
  font-size: .84rem; color: var(--navy-800); box-shadow: var(--shadow-s);
}
.checklist { list-style: none; padding: 0; }
.checklist li { display: flex; gap: .7rem; margin-bottom: .75rem; align-items: flex-start; }
.checklist li::before {
  content: ""; flex: 0 0 auto; width: 20px; height: 20px; margin-top: .2rem; border-radius: 50%;
  background: var(--leaf-100) 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='%233f9142' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/12px no-repeat;
}

/* --- 13. Process / timeline -------------------------------------------- */
.steps { counter-reset: s; display: grid; gap: 1.2rem; }
.step { position: relative; padding-left: 4.2rem; }
.step::before {
  counter-increment: s; content: "0" counter(s);
  position: absolute; left: 0; top: 0; width: 3rem; height: 3rem; border-radius: 14px;
  display: grid; place-items: center; font-family: var(--mono); font-weight: 700; font-size: .95rem;
  color: var(--blue-500); background: var(--blue-50); border: 1px solid var(--blue-100);
}
.step h4 { margin-bottom: .3rem; }
.step p { margin: 0; font-size: .95rem; }

/* --- 14. Alerts / callouts ---------------------------------------------- */
.note {
  border-left: 4px solid var(--blue-500); background: var(--blue-50);
  padding: 1.1rem 1.3rem; border-radius: 0 var(--r-sm) var(--r-sm) 0; font-size: .95rem;
}
.note--warn { border-left-color: #e0a300; background: #fff8e6; }
.note--leaf { border-left-color: var(--leaf-600); background: var(--leaf-100); }
.note p:last-child { margin-bottom: 0; }
.note strong { display: block; margin-bottom: .25rem; }

.pill {
  display: inline-flex; align-items: center; gap: .4rem; padding: .3rem .75rem; border-radius: 999px;
  font-size: .78rem; font-weight: 650; background: var(--blue-50); color: var(--navy-700); border: 1px solid var(--blue-100);
}
.pill--leaf { background: var(--leaf-100); color: var(--leaf-600); border-color: #cfe9d0; }
.pill--warn { background: #fff8e6; color: #8a6500; border-color: #f2e0ac; }
.pill-row { display: flex; flex-wrap: wrap; gap: .5rem; }

/* --- 15. CTA band ------------------------------------------------------- */
.cta-band {
  position: relative; overflow: hidden; border-radius: var(--r-lg);
  background: linear-gradient(135deg, var(--navy-800), var(--navy-600) 60%, #12718f);
  color: rgba(255, 255, 255, .85); padding: clamp(2.2rem, 1.5rem + 3vw, 3.6rem);
}
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='97' viewBox='0 0 56 97'%3E%3Cpath d='M28 0l28 16.2v32.3L28 64.7 0 48.5V16.2zM28 48.5l28 16.2v32.3' fill='none' stroke='%23ffffff' stroke-width='1' opacity='.13'/%3E%3C/svg%3E");
}
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { color: #fff; }
.cta-band__inner { display: grid; grid-template-columns: 1.4fr auto; gap: 2rem; align-items: center; }

/* --- 16. Forms ---------------------------------------------------------- */
.form { display: grid; gap: 1.1rem; }
.field { display: grid; gap: .4rem; }
.field label { font-size: .86rem; font-weight: 650; color: var(--navy-800); }
.field .req { color: #c0392b; }
.field input, .field select, .field textarea {
  font: inherit; font-size: .96rem; color: var(--ink); background: #fff;
  border: 1.5px solid var(--line); border-radius: var(--r-sm); padding: .75rem .9rem; width: 100%;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--blue-400); box-shadow: 0 0 0 4px var(--blue-50);
}
.field textarea { min-height: 130px; resize: vertical; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.consent { display: flex; gap: .7rem; align-items: flex-start; font-size: .84rem; color: var(--muted); }
.consent input { width: 18px; height: 18px; margin-top: .2rem; flex: 0 0 auto; accent-color: var(--blue-500); }

/* --- 17. Contact tiles -------------------------------------------------- */
.contact-tile { display: flex; gap: 1rem; align-items: flex-start; padding: 1.3rem; border: 1px solid var(--line); border-radius: var(--r); background: #fff; transition: .3s var(--ease); }
.contact-tile:hover { border-color: var(--blue-300); box-shadow: var(--shadow-s); }
.contact-tile__ico { width: 42px; height: 42px; flex: 0 0 auto; border-radius: 12px; display: grid; place-items: center; background: var(--blue-50); color: var(--blue-500); }
.contact-tile h4 { margin-bottom: .15rem; }
.contact-tile p { margin: 0; font-size: .93rem; }

/* --- 18. Footer --------------------------------------------------------- */
.site-footer { background: var(--navy-900); color: rgba(255, 255, 255, .68); font-size: .93rem; padding-top: clamp(3rem, 2rem + 3vw, 4.5rem); margin-top: 0; }
.site-footer h4 { color: #fff; font-size: .82rem; text-transform: uppercase; letter-spacing: .12em; margin-bottom: 1.1rem; }
.site-footer a { color: rgba(255, 255, 255, .72); }
.site-footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 2.4rem; padding-bottom: 2.8rem; }
.footer-list { list-style: none; padding: 0; margin: 0; }
.footer-list li { margin-bottom: .55rem; }
.footer__logo { width: 172px; background: #fff; padding: .55rem .8rem; border-radius: 10px; margin-bottom: 1.1rem; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12); padding: 1.3rem 0 1.8rem;
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: .84rem;
}
.footer-bottom ul { display: flex; gap: 1.3rem; list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
.footer-bottom li { margin: 0; }

/* --- 19. Cookie consent ------------------------------------------------- */
.cookie {
  position: fixed; left: 1rem; right: 1rem; bottom: 1rem; z-index: 200;
  max-width: 460px; background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  box-shadow: var(--shadow-l); padding: 1.5rem; font-size: .9rem; line-height: 1.55;
  transform: translateY(140%); transition: transform .45s var(--ease); visibility: hidden;
}
.cookie.is-visible { transform: none; visibility: visible; }
.cookie h3 { font-size: 1.1rem; margin-bottom: .5rem; display: flex; align-items: center; gap: .55rem; }
.cookie p { margin-bottom: 1rem; color: var(--ink-soft); }
.cookie__actions { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; }
.cookie__actions .btn { width: 100%; padding: .72rem 1rem; font-size: .9rem; }
.cookie__link { display: inline-block; margin-top: .9rem; font-size: .82rem; font-weight: 650; }

.modal { position: fixed; inset: 0; z-index: 300; display: grid; place-items: center; padding: 1rem; }
.modal[hidden] { display: none; }
.modal__backdrop { position: absolute; inset: 0; background: rgba(8, 36, 63, .55); backdrop-filter: blur(3px); }
.modal__box {
  position: relative; background: #fff; border-radius: var(--r-lg); box-shadow: var(--shadow-l);
  width: min(100%, 620px); max-height: 88vh; overflow-y: auto; padding: 1.8rem;
}
.modal__close {
  position: absolute; right: 1rem; top: 1rem; width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--line); background: #fff; cursor: pointer; font-size: 1.2rem; line-height: 1; color: var(--muted);
}
.modal__close:hover { color: var(--navy-800); border-color: var(--blue-300); }
.switch-row { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; padding: 1rem 0; border-bottom: 1px solid var(--line-soft); }
.switch-row:last-of-type { border-bottom: 0; }
.switch-row p { margin: .2rem 0 0; font-size: .86rem; color: var(--muted); max-width: 46ch; }
.switch-row strong { font-size: .96rem; }
.switch { position: relative; flex: 0 0 auto; width: 46px; height: 26px; }
.switch input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; z-index: 2; }
.switch i { position: absolute; inset: 0; background: #cbd8e4; border-radius: 999px; transition: background .25s var(--ease); }
.switch i::before { content: ""; position: absolute; left: 3px; top: 3px; width: 20px; height: 20px; border-radius: 50%; background: #fff; transition: transform .25s var(--ease); box-shadow: 0 1px 3px rgba(0, 0, 0, .2); }
.switch input:checked + i { background: var(--blue-500); }
.switch input:checked + i::before { transform: translateX(20px); }
.switch input:disabled + i { background: var(--leaf-500); opacity: .65; cursor: not-allowed; }
.switch input:focus-visible + i { box-shadow: 0 0 0 3px var(--blue-100); }

/* --- 20. Back to top ---------------------------------------------------- */
.to-top {
  position: fixed; right: 1.2rem; bottom: 1.2rem; z-index: 80;
  width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--line);
  background: #fff; color: var(--navy-800); cursor: pointer; display: grid; place-items: center;
  box-shadow: var(--shadow-m); opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: .3s var(--ease);
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { border-color: var(--blue-400); color: var(--blue-500); }

/* --- 21. Reveal on scroll ---------------------------------------------- */
/* Content is visible by default. It is only hidden for the scroll animation when
   JS has confirmed it is running (.js on <html>), so a script failure, a blocked
   file or an observer that never fires can never leave the page blank. */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js .reveal.is-in { opacity: 1; transform: none; }
.reveal-fallback .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
.reveal-d1 { transition-delay: .08s; }
.reveal-d2 { transition-delay: .16s; }
.reveal-d3 { transition-delay: .24s; }
@media (prefers-reduced-motion: reduce) { .js .reveal { opacity: 1; transform: none; } }

/* --- 22. Prose (legal pages) -------------------------------------------- */
.prose { max-width: 76ch; }
.prose h2 { margin-top: 2.6rem; font-size: 1.5rem; scroll-margin-top: 100px; }
.prose h3 { margin-top: 1.8rem; font-size: 1.13rem; }
.prose ul { padding-left: 1.3rem; }
.prose table { min-width: 0; }
.toc { background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--r); padding: 1.4rem 1.6rem; }
.toc h4 { margin-bottom: .8rem; }
.toc ol { margin: 0; padding-left: 1.2rem; font-size: .93rem; }

/* --- 23. Responsive ----------------------------------------------------- */
@media (max-width: 980px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { order: -1; max-width: 560px; }
  .molecule { width: 110px; right: -8px; top: -18px; }
  .split { grid-template-columns: 1fr; }
  .g-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat-band { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .cta-band__inner { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .g-2, .g-3, .g-4 { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .chip--a { left: 4px; top: 8px; }
  .chip--b { right: 4px; bottom: 8px; }
  .cookie { max-width: none; }
  .topbar__list li.hide-sm { display: none; }
}

/* --- 24. Print ---------------------------------------------------------- */
@media print {
  .site-header, .topbar, .cookie, .modal, .to-top, .cta-band, .hero__visual { display: none !important; }
  body { font-size: 11pt; color: #000; }
  .section { padding: 1rem 0; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: .8em; color: #555; }
}