/* ============================================================
   Vistachem Silica — Global Stylesheet
   Design tokens, layout system, shared components
   ============================================================ */

:root {
  /* --- Color: graphite + silica-white + a precise teal signal + warm sand --- */
  --ink:        #14201f;   /* near-black graphite green */
  --ink-2:      #223634;   /* softer ink for body copy */
  --ink-3:      #5a6f6c;   /* muted captions / meta */
  --line:       #dfe4e1;   /* hairline dividers */
  --line-2:     #eef1ee;   /* very light fill */
  --paper:      #ffffff;   /* silica white */
  --paper-2:    #f6f8f6;   /* section alt */
  --paper-3:    #eef2ef;   /* card fill */

  --teal:       #0c6b5e;   /* primary signal — deep engineered teal */
  --teal-600:   #0a5a4f;
  --teal-700:   #08463d;
  --teal-tint:  #e6f1ee;   /* teal wash */
  --sand:       #c8a86a;   /* warm powder / mineral accent */
  --sand-tint:  #f4ecdb;

  /* --- Type --- */
  --font-display: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;

  /* --- Metrics --- */
  --wrap: 1200px;
  --gap: clamp(1rem, 2.5vw, 2rem);
  --radius: 4px;
  --radius-lg: 8px;
  --header-h: 68px;

  --shadow-sm: 0 1px 2px rgba(20,32,31,.06), 0 2px 8px rgba(20,32,31,.04);
  --shadow-md: 0 4px 12px rgba(20,32,31,.08), 0 12px 32px rgba(20,32,31,.06);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink-2);
  background: var(--paper);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-display); color: var(--ink); line-height: 1.12; font-weight: 600; margin: 0 0 .5em; letter-spacing: -.01em; }
p { margin: 0 0 1rem; }
ul { margin: 0 0 1rem; padding-left: 1.15rem; }
li { margin-bottom: .4rem; }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; }

/* ---------- Layout ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: clamp(1rem, 4vw, 2rem); }
.section { padding-block: clamp(3.5rem, 7vw, 6rem); }
.section--alt { background: var(--paper-2); }
.section--ink { background: var(--ink); color: #dfe7e5; }
.section--ink h2, .section--ink h3 { color: #fff; }

.eyebrow {
  font-family: var(--font-display);
  font-size: .74rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--teal);
  font-weight: 600;
  margin: 0 0 1rem;
  display: inline-flex;
  align-items: center;
  gap: .6rem;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 1.5px;
  background: var(--teal);
  display: inline-block;
}
.section--ink .eyebrow { color: var(--sand); }
.section--ink .eyebrow::before { background: var(--sand); }

.section-title { font-size: clamp(1.6rem, 3.4vw, 2.5rem); max-width: 22ch; }
.section-lead { font-size: clamp(1rem, 1.4vw, 1.15rem); color: var(--ink-3); max-width: 60ch; }
.section--ink .section-lead { color: #a9bcb8; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--font-display); font-weight: 500; font-size: .95rem;
  padding: .8rem 1.5rem; border-radius: var(--radius);
  border: 1.5px solid transparent; cursor: pointer;
  transition: transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--teal); color: #fff; }
.btn--primary:hover { background: var(--teal-600); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--teal); color: var(--teal); }
.btn--light { background: #fff; color: var(--ink); }
.btn--light:hover { background: var(--sand-tint); }
.btn--sand { background: var(--sand); color: var(--ink); }
.btn--sand:hover { background: #b8965a; }
.btn__arrow { transition: transform .2s ease; }
.btn:hover .btn__arrow { transform: translateX(3px); }

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.94);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar {
  background: var(--ink); color: #b9cbc8;
  font-size: .78rem; letter-spacing: .02em;
}
.topbar .wrap { display: flex; justify-content: space-between; align-items: center; min-height: 34px; gap: 1rem; }
.topbar a { color: #cdddd9; transition: color .2s; }
.topbar a:hover { color: #fff; }
.topbar__links { display: flex; gap: 1.25rem; align-items: center; }
.topbar__contact { display: flex; gap: 1.25rem; align-items: center; }
.topbar__lang { display: inline-flex; gap: .35rem; }
.topbar__lang a.is-active { color: #fff; font-weight: 600; }

.nav { display: flex; align-items: center; justify-content: space-between; min-height: var(--header-h); gap: 1.5rem; }
.brand { display: flex; align-items: center; gap: .65rem; flex-shrink: 0; }
.brand__mark { width: 34px; height: 34px; flex-shrink: 0; }
.brand__text { font-family: var(--font-display); font-weight: 600; font-size: 1.18rem; color: var(--ink); letter-spacing: -.02em; line-height: 1; }
.brand__text span { color: var(--teal); }
.brand__sub { display: block; font-family: var(--font-body); font-weight: 500; font-size: .62rem; letter-spacing: .22em; text-transform: uppercase; color: var(--ink-3); margin-top: 3px; }

.nav__links { display: flex; align-items: center; gap: .35rem; list-style: none; margin: 0; padding: 0; }
.nav__links > li { position: relative; }
.nav__links > li > a {
  display: inline-flex; align-items: center; gap: .3rem;
  padding: .6rem .85rem; font-size: .93rem; font-weight: 500;
  color: var(--ink-2); border-radius: var(--radius);
  font-family: var(--font-display); transition: color .2s, background .2s;
}
.nav__links > li > a:hover, .nav__links > li.is-open > a { color: var(--teal); background: var(--teal-tint); }
.nav__links > li > a[aria-current="page"] { color: var(--teal); }
.caret { width: 10px; height: 10px; opacity: .6; transition: transform .2s; }
.nav__links > li.is-open .caret { transform: rotate(180deg); }

.nav__actions { display: flex; align-items: center; gap: .6rem; flex-shrink: 0; }

/* Mega dropdown */
.mega {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(6px);
  width: min(680px, 90vw); background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md); padding: 1.25rem;
  opacity: 0; visibility: hidden; transition: opacity .18s ease, transform .18s ease;
  display: grid; grid-template-columns: 1fr 1fr; gap: .35rem;
}
.nav__links > li.is-open .mega { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.mega--single { grid-template-columns: 1fr; width: min(300px, 90vw); }
.mega__item { display: flex; gap: .8rem; padding: .7rem .75rem; border-radius: var(--radius); transition: background .18s; }
.mega__item:hover { background: var(--paper-2); }
.mega__num { font-family: var(--font-display); font-size: .78rem; font-weight: 600; color: var(--teal); flex-shrink: 0; width: 1.5rem; padding-top: .1rem; }
.mega__body strong { display: block; font-family: var(--font-display); font-size: .92rem; color: var(--ink); font-weight: 600; margin-bottom: .1rem; }
.mega__body span { font-size: .8rem; color: var(--ink-3); line-height: 1.4; }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: .5rem; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 4px 0; transition: .25s; }

/* ============================================================
   HERO
   ============================================================ */
.hero { position: relative; background: var(--ink); color: #eaf1ef; overflow: hidden; }
.hero__grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse 90% 80% at 70% 30%, #000 30%, transparent 75%);
}
.hero__glow { position: absolute; width: 620px; height: 620px; right: -120px; top: -160px; border-radius: 50%;
  background: radial-gradient(circle, rgba(12,107,94,.55), transparent 62%); filter: blur(20px); }
.hero__inner { position: relative; z-index: 2; padding-block: clamp(3.5rem, 8vw, 6.5rem); display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: center; }
.hero__eyebrow { color: var(--sand); }
.hero__eyebrow::before { background: var(--sand); }
.hero h1 { color: #fff; font-size: clamp(2.1rem, 5vw, 3.6rem); letter-spacing: -.02em; margin-bottom: 1.1rem; }
.hero h1 em { font-style: normal; color: var(--sand); }
.hero__lead { font-size: clamp(1.02rem, 1.5vw, 1.22rem); color: #b6c8c4; max-width: 46ch; margin-bottom: 1.6rem; }
.hero__cta { display: flex; gap: .8rem; flex-wrap: wrap; margin-bottom: 2.2rem; }
.hero__motto { display: flex; gap: 1.5rem; flex-wrap: wrap; border-top: 1px solid rgba(255,255,255,.12); padding-top: 1.4rem; }
.hero__motto div { }
.hero__motto strong { display: block; font-family: var(--font-display); color: var(--sand); font-size: 1.05rem; font-weight: 600; }
.hero__motto span { font-size: .82rem; color: #93a8a4; }

.hero__panel { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius-lg); padding: 1.5rem; backdrop-filter: blur(4px); }
.hero__panel h3 { color: #fff; font-size: 1rem; margin-bottom: 1rem; display: flex; align-items: center; gap: .5rem; }
.hero__panel-list { list-style: none; margin: 0; padding: 0; }
.hero__panel-list li { display: flex; justify-content: space-between; gap: 1rem; padding: .7rem 0; border-bottom: 1px solid rgba(255,255,255,.08); font-size: .9rem; }
.hero__panel-list li:last-child { border-bottom: 0; }
.hero__panel-list a { color: #dbe6e3; display: flex; justify-content: space-between; width: 100%; transition: color .2s; }
.hero__panel-list a:hover { color: var(--sand); }
.hero__panel-list .tag { font-family: var(--font-display); font-size: .72rem; color: var(--teal); background: var(--teal-tint); padding: .1rem .5rem; border-radius: 100px; }

/* ============================================================
   TRUST BAR
   ============================================================ */
.trustbar { border-bottom: 1px solid var(--line); background: #fff; }
.trustbar .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem 2rem; padding-block: 1.3rem; }
.trust-stat { display: flex; flex-direction: column; }
.trust-stat b { font-family: var(--font-display); font-size: 1.5rem; color: var(--ink); font-weight: 600; line-height: 1; }
.trust-stat span { font-size: .78rem; color: var(--ink-3); margin-top: .3rem; letter-spacing: .02em; }
.trust-stat b em { font-style: normal; color: var(--teal); }

/* ============================================================
   SOLUTIONS GRID (six tracks)
   ============================================================ */
.grid { display: grid; gap: 1.25rem; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.sol-card {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  position: relative;
}
.sol-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
.sol-card__top { padding: 1.5rem 1.5rem 0; display: flex; justify-content: space-between; align-items: flex-start; }
.sol-card__num { font-family: var(--font-display); font-size: .82rem; font-weight: 600; color: var(--teal); letter-spacing: .08em; }
.sol-card__icon { width: 44px; height: 44px; color: var(--teal); }
.sol-card__body { padding: 1rem 1.5rem 1.5rem; display: flex; flex-direction: column; flex: 1; }
.sol-card h3 { font-size: 1.16rem; margin-bottom: .5rem; }
.sol-card__apps { font-size: .82rem; color: var(--ink-3); margin-bottom: .9rem; }
.sol-card__desc { font-size: .92rem; color: var(--ink-2); margin-bottom: 1.1rem; flex: 1; }
.sol-card__sell {
  font-family: var(--font-display); font-size: .92rem; font-weight: 600; color: var(--ink);
  padding: .7rem .9rem; background: var(--sand-tint); border-radius: var(--radius);
  border-left: 3px solid var(--sand); margin-bottom: 1.1rem;
}
.sol-card__link { font-family: var(--font-display); font-size: .88rem; font-weight: 600; color: var(--teal); display: inline-flex; align-items: center; gap: .4rem; }
.sol-card__link .btn__arrow { transition: transform .2s; }
.sol-card:hover .sol-card__link .btn__arrow { transform: translateX(4px); }

/* Feature / value cards */
.feature { padding: 1.6rem; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); }
.feature__icon { width: 40px; height: 40px; color: var(--teal); margin-bottom: 1rem; }
.feature h3 { font-size: 1.08rem; margin-bottom: .5rem; }
.feature p { font-size: .92rem; color: var(--ink-3); margin: 0; }

/* Pain points — numbered */
.pain { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.pain__card { background: var(--paper-2); border-radius: var(--radius-lg); padding: 1.6rem; border-top: 3px solid var(--teal); }
.pain__num { font-family: var(--font-display); font-size: 2.4rem; font-weight: 700; color: var(--line); line-height: 1; margin-bottom: .6rem; }
.pain__card h3 { font-size: 1.1rem; margin-bottom: .5rem; }
.pain__card p { font-size: .9rem; color: var(--ink-3); margin: 0; }
.pain__card .fix { font-size: .88rem; color: var(--teal); font-weight: 500; margin-top: .8rem; display: block; }

/* ============================================================
   METHOD / PROCESS
   ============================================================ */
.method { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; counter-reset: step; }
.method__step { position: relative; padding: 1.5rem 1.2rem 1.5rem 0; }
.method__step::before { counter-increment: step; content: counter(step, decimal-leading-zero); font-family: var(--font-display); font-size: .8rem; font-weight: 600; color: var(--teal); display: block; margin-bottom: .8rem; }
.method__step::after { content: ""; position: absolute; left: 0; top: 2.9rem; width: 100%; height: 1px; background: var(--line); }
.method__step h4 { font-size: 1rem; margin-bottom: .35rem; }
.method__step p { font-size: .84rem; color: var(--ink-3); margin: 0; }
.method__step .dot { position: absolute; left: 0; top: 2.6rem; width: 9px; height: 9px; border-radius: 50%; background: var(--teal); transform: translateY(-50%); z-index: 2; }

/* ============================================================
   SELECTOR TABLE (application × grade)
   ============================================================ */
.tablewrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-lg); }
table.data { width: 100%; border-collapse: collapse; font-size: .9rem; min-width: 640px; }
table.data th, table.data td { text-align: left; padding: .85rem 1rem; border-bottom: 1px solid var(--line); }
table.data thead th { background: var(--ink); color: #fff; font-family: var(--font-display); font-weight: 500; font-size: .82rem; letter-spacing: .03em; position: sticky; top: 0; }
table.data tbody tr:hover { background: var(--teal-tint); }
table.data td:first-child { font-weight: 600; color: var(--ink); font-family: var(--font-display); }
.grade-tag { display: inline-block; font-family: var(--font-display); font-size: .78rem; font-weight: 600; color: var(--teal-700); background: var(--teal-tint); padding: .15rem .55rem; border-radius: 4px; margin: .1rem .2rem .1rem 0; }

/* ============================================================
   CTA STRIP
   ============================================================ */
.cta-strip { background: var(--teal); color: #fff; border-radius: var(--radius-lg); padding: clamp(2rem, 4vw, 3rem); display: grid; grid-template-columns: 1.4fr auto; gap: 2rem; align-items: center; }
.cta-strip h2 { color: #fff; font-size: clamp(1.4rem, 2.6vw, 2rem); margin-bottom: .5rem; }
.cta-strip p { color: #cdeae4; margin: 0; max-width: 50ch; }
.cta-strip__actions { display: flex; gap: .8rem; flex-wrap: wrap; }

/* Inline expert CTA (repeated) */
.expert-cta { background: var(--paper-3); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 1.4rem 1.6rem; display: flex; align-items: center; justify-content: space-between; gap: 1.2rem; flex-wrap: wrap; }
.expert-cta__text strong { font-family: var(--font-display); color: var(--ink); font-size: 1.05rem; display: block; }
.expert-cta__text span { font-size: .88rem; color: var(--ink-3); }

/* ============================================================
   BREADCRUMB + PAGE HEAD
   ============================================================ */
.page-head { background: var(--paper-2); border-bottom: 1px solid var(--line); }
.page-head .wrap { padding-block: clamp(2rem, 4vw, 3.2rem); }
.crumbs { font-size: .82rem; color: var(--ink-3); margin-bottom: 1rem; display: flex; gap: .5rem; flex-wrap: wrap; }
.crumbs a:hover { color: var(--teal); }
.crumbs span { color: var(--ink-3); }
.page-head h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); max-width: 24ch; }
.page-head p { font-size: 1.05rem; color: var(--ink-3); max-width: 62ch; margin-top: .5rem; }

/* ============================================================
   SOLUTION DETAIL
   ============================================================ */
.detail-hero { background: var(--ink); color: #e7efed; position: relative; overflow: hidden; }
.detail-hero .hero__grid { mask-image: radial-gradient(ellipse 80% 100% at 80% 20%, #000 20%, transparent 70%); }
.detail-hero__inner { position: relative; z-index: 2; padding-block: clamp(3rem, 6vw, 5rem); display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: end; }
.detail-hero h1 { color: #fff; font-size: clamp(1.9rem, 4vw, 3rem); }
.detail-hero .lead { color: #b4c6c2; font-size: 1.1rem; max-width: 52ch; }
.detail-hero__sell { background: var(--sand); color: var(--ink); font-family: var(--font-display); font-weight: 600; font-size: 1.1rem; padding: 1rem 1.4rem; border-radius: var(--radius); white-space: nowrap; }

.split { display: grid; grid-template-columns: 1.6fr 1fr; gap: 3rem; align-items: start; }
.prose h2 { font-size: 1.5rem; margin-top: 2.2rem; margin-bottom: .8rem; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 1.15rem; margin-top: 1.6rem; }
.prose ul li { color: var(--ink-2); }
.prose ul li::marker { color: var(--teal); }

.sidecard { background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 1.5rem; position: sticky; top: calc(var(--header-h) + 1rem); }
.sidecard h3 { font-size: 1rem; margin-bottom: 1rem; padding-bottom: .8rem; border-bottom: 1px solid var(--line); }
.sidecard dl { margin: 0; }
.sidecard dt { font-family: var(--font-display); font-size: .74rem; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); margin-top: 1rem; }
.sidecard dd { margin: .2rem 0 0; font-size: .92rem; color: var(--ink); }
.sidecard .btn { width: 100%; justify-content: center; margin-top: 1.4rem; }

.chip-row { display: flex; flex-wrap: wrap; gap: .5rem; margin: .5rem 0 1.5rem; }
.chip { font-family: var(--font-display); font-size: .82rem; font-weight: 500; color: var(--teal-700); background: var(--teal-tint); padding: .35rem .8rem; border-radius: 100px; }

.competitor-note { font-size: .82rem; color: var(--ink-3); background: var(--paper-2); border-left: 3px solid var(--line); padding: .8rem 1rem; border-radius: 4px; }

/* ============================================================
   FORMS
   ============================================================ */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.field { display: flex; flex-direction: column; gap: .35rem; }
.field--full { grid-column: 1 / -1; }
.field label { font-family: var(--font-display); font-size: .84rem; font-weight: 500; color: var(--ink); }
.field label .req { color: var(--teal); }
.field input, .field select, .field textarea {
  font-family: var(--font-body); font-size: .95rem; color: var(--ink);
  padding: .7rem .85rem; border: 1px solid var(--line); border-radius: var(--radius);
  background: #fff; transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px var(--teal-tint); }
.field textarea { resize: vertical; min-height: 120px; }
.checkbox { display: flex; gap: .6rem; align-items: flex-start; font-size: .84rem; color: var(--ink-3); }
.checkbox input { margin-top: .2rem; }
.form-note { font-size: .8rem; color: var(--ink-3); }

/* ============================================================
   DOWNLOAD / RESOURCE LIST
   ============================================================ */
.dl-list { display: grid; gap: .6rem; }
.dl-item { display: flex; align-items: center; gap: 1rem; padding: 1rem 1.2rem; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); transition: border-color .2s, box-shadow .2s; }
.dl-item:hover { border-color: var(--teal); box-shadow: var(--shadow-sm); }
.dl-item__ext { font-family: var(--font-display); font-size: .72rem; font-weight: 600; color: #fff; background: var(--teal); padding: .3rem .5rem; border-radius: 4px; flex-shrink: 0; min-width: 46px; text-align: center; }
.dl-item__ext.pdf { background: #b23a3a; }
.dl-item__ext.locked { background: var(--ink-3); }
.dl-item__body { flex: 1; }
.dl-item__body strong { display: block; font-size: .95rem; color: var(--ink); font-family: var(--font-display); font-weight: 500; }
.dl-item__body span { font-size: .8rem; color: var(--ink-3); }
.dl-item__cta { font-size: .85rem; color: var(--teal); font-weight: 600; font-family: var(--font-display); white-space: nowrap; }

/* ============================================================
   FAQ
   ============================================================ */
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q { width: 100%; text-align: left; background: none; border: 0; cursor: pointer; padding: 1.2rem 0; display: flex; justify-content: space-between; align-items: center; gap: 1rem; font-family: var(--font-display); font-size: 1.05rem; font-weight: 500; color: var(--ink); }
.faq-q .icon { flex-shrink: 0; transition: transform .25s; color: var(--teal); }
.faq-item.is-open .faq-q .icon { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a__inner { padding-bottom: 1.2rem; color: var(--ink-3); font-size: .95rem; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { background: var(--ink); color: #9fb3af; padding-block: 3.5rem 2rem; font-size: .9rem; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 2rem; padding-bottom: 2.5rem; border-bottom: 1px solid rgba(255,255,255,.1); }
.site-footer h4 { color: #fff; font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 1rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: .55rem; }
.site-footer a { color: #9fb3af; transition: color .2s; }
.site-footer a:hover { color: var(--sand); }
.footer-brand .brand__text { color: #fff; }
.footer-brand p { margin: 1rem 0; max-width: 34ch; color: #8ba39e; }
.footer-brand .std-line { font-size: .82rem; color: #7c948f; font-style: italic; border-left: 2px solid var(--sand); padding-left: .8rem; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; padding-top: 1.5rem; font-size: .8rem; color: #7c948f; }
.footer-bottom a { color: #7c948f; }
.footer-bottom__links { display: flex; gap: 1.25rem; flex-wrap: wrap; }

/* ============================================================
   FLOATING ACTIONS
   ============================================================ */
.floaters { position: fixed; right: 18px; bottom: 18px; z-index: 90; display: flex; flex-direction: column; gap: .6rem; }
.floater { width: 50px; height: 50px; border-radius: 50%; display: grid; place-items: center; box-shadow: var(--shadow-md); cursor: pointer; transition: transform .18s; border: 0; }
.floater:hover { transform: scale(1.08); }
.floater--wa { background: #25D366; color: #fff; }
.floater--top { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.floater svg { width: 24px; height: 24px; }

/* ============================================================
   MISC
   ============================================================ */
.badge-row { display: flex; flex-wrap: wrap; gap: .8rem; align-items: center; }
.badge { display: inline-flex; align-items: center; gap: .5rem; padding: .55rem .95rem; border: 1px solid var(--line); border-radius: 100px; font-family: var(--font-display); font-size: .82rem; font-weight: 500; color: var(--ink-2); background: #fff; }
.badge svg { width: 16px; height: 16px; color: var(--teal); }

.logo-wall { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.logo-wall__cell { background: #fff; aspect-ratio: 3/2; display: grid; place-items: center; padding: 1rem; }
.logo-wall__cell span { font-family: var(--font-display); font-weight: 600; color: var(--ink-3); font-size: .95rem; letter-spacing: .02em; opacity: .7; }

.map-wrap { position: relative; background: var(--ink); border-radius: var(--radius-lg); overflow: hidden; padding: 2rem; }

.quote-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 1.8rem; }
.quote-card blockquote { font-family: var(--font-display); font-size: 1.1rem; color: var(--ink); line-height: 1.5; margin: 0 0 1.2rem; }
.quote-card blockquote::before { content: "“"; font-size: 2.5rem; color: var(--sand); line-height: 0; vertical-align: -.4em; margin-right: .1em; }
.quote-card cite { font-style: normal; font-size: .88rem; color: var(--ink-3); }
.quote-card cite strong { display: block; color: var(--ink); font-family: var(--font-display); }

.timeline { position: relative; padding-left: 2rem; }
.timeline::before { content: ""; position: absolute; left: 6px; top: .5rem; bottom: .5rem; width: 2px; background: var(--line); }
.timeline__item { position: relative; padding-bottom: 1.8rem; }
.timeline__item::before { content: ""; position: absolute; left: -2rem; top: .35rem; width: 14px; height: 14px; border-radius: 50%; background: #fff; border: 3px solid var(--teal); }
.timeline__item b { font-family: var(--font-display); color: var(--teal); font-size: .95rem; }
.timeline__item h4 { margin: .2rem 0 .3rem; font-size: 1.05rem; }
.timeline__item p { font-size: .9rem; color: var(--ink-3); margin: 0; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1000px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__panel { order: -1; display: none; }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .method { grid-template-columns: repeat(2, 1fr); }
  .method__step::after { display: none; }
  .split { grid-template-columns: 1fr; }
  .sidecard { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .detail-hero__inner { grid-template-columns: 1fr; }
  .logo-wall { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 860px) {
  .nav__links, .topbar__links span.hide-sm { display: none; }
  .nav-toggle { display: block; }
  .nav__actions .btn--ghost { display: none; }
  .site-header.nav-open .nav__links {
    display: flex; flex-direction: column; align-items: stretch;
    position: absolute; top: 100%; left: 0; right: 0; background: #fff;
    border-bottom: 1px solid var(--line); box-shadow: var(--shadow-md); padding: 1rem;
  }
  .site-header.nav-open .nav__links > li > a { padding: .9rem; }
  .site-header.nav-open .mega { position: static; transform: none; opacity: 1; visibility: visible; box-shadow: none; border: 0; padding: 0 0 .5rem 1.5rem; width: auto; grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .grid--3, .grid--2, .grid--4 { grid-template-columns: 1fr; }
  .pain { grid-template-columns: 1fr; }
  .method { grid-template-columns: 1fr; }
  .cta-strip { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .trustbar .wrap { gap: 1.2rem; }
  .trust-stat { flex: 1 1 40%; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

/* ---------- Scroll reveal ---------- */
[data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
[data-reveal].in { opacity: 1; transform: none; }