/* ==========================================================================
   EPI — Environmental Performance Indicator Co. Ltd.
   Elegant theme stylesheet (template). Edit the tokens below to re-skin.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. DESIGN TOKENS
   -------------------------------------------------------------------------- */
:root {
  /* Brand palette */
  --color-primary:      #1f8b4c;  /* core brand green     */
  --color-primary-2:    #0b9444;  /* brighter green       */
  --color-primary-dark: #14532b;  /* deep green           */
  --color-pine:         #234d31;  /* forest / overlay     */
  --color-accent:       #b69974;  /* warm tan / sand      */

  /* Neutrals / surfaces */
  --color-ink:     #1b1b1b;  /* headings  */
  --color-body:    #5c5c5c;  /* body copy */
  --color-cream:   #ece8e0;  /* primary off-white section bg */
  --color-cream-2: #f4f1eb;
  --color-dark:    #1a1a1a;  /* footer / dark sections */
  --color-white:   #ffffff;
  --color-line:    #ddd8cf;

  /* Typography */
  --font-body:    "DM Sans", -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: "Poppins", "DM Sans", sans-serif;

  /* Layout */
  --container: 1240px;
  --gutter: 24px;
  --section-y: 130px;     /* generous vertical rhythm */
  --radius: 12px;

  --transition: .4s cubic-bezier(.22,.61,.36,1);
  --shadow: 0 30px 70px rgba(0,0,0,.12);
}

/* --------------------------------------------------------------------------
   2. RESET / BASE
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  color: var(--color-body);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  max-width: 100%;
}
/* Hard stop: nothing may create a horizontal scroll area on small screens */
@media (max-width: 560px){
  html, body { overflow-x: clip; }
  /* Horizontal scroll-reveal offsets push content off-screen on phones,
     causing a sideways scroll and header flicker — use vertical-only reveal. */
  [data-reveal="left"], [data-reveal="right"] { transform: translateY(46px); }
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
svg { display: block; }

/* --------------------------------------------------------------------------
   3. TYPOGRAPHY
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 { font-family: var(--font-display); color: var(--color-ink); line-height: 1.12; font-weight: 600; letter-spacing: -0.5px; }
.display { font-weight: 500; }
h1 { font-size: clamp(2.8rem, 6vw, 5rem); font-weight: 400; letter-spacing: -1px; }
h2 { font-size: clamp(2.1rem, 4.4vw, 3.6rem); font-weight: 500; }
h3 { font-size: clamp(1.4rem, 2.4vw, 1.9rem); font-weight: 500; }
h4 { font-size: 1.25rem; font-weight: 500; }
p  { margin-bottom: 1.1rem; }

.eyebrow {
  font-family: var(--font-display);
  text-transform: uppercase; letter-spacing: 3px;
  font-size: .78rem; font-weight: 600; color: var(--color-primary-2);
  display: inline-block; margin-bottom: 18px;
}
.lead { font-size: 1.06rem; }
.justify { text-align: justify; }
.text-center { text-align: center; }
.narrow { max-width: 760px; }
.muted { color: var(--color-body); }

/* --------------------------------------------------------------------------
   4. LAYOUT
   -------------------------------------------------------------------------- */
.container { width: min(var(--container), 100% - 2 * var(--gutter)); margin-inline: auto; }
.section { padding-block: var(--section-y); }
.section--cream   { background: var(--color-cream); }
.section--cream-2 { background: var(--color-cream-2); }
.section--dark { background: var(--color-dark); color: #b9b9b9; }
.section--dark h1,.section--dark h2,.section--dark h3,.section--dark h4 { color: #fff; }
.grid { display: grid; gap: var(--gutter); }
.grid-2 { grid-template-columns: repeat(2,1fr); }
.grid-3 { grid-template-columns: repeat(3,1fr); }
.grid-4 { grid-template-columns: repeat(4,1fr); }

/* --------------------------------------------------------------------------
   5. BUTTONS
   -------------------------------------------------------------------------- */
/* Circular arrow button + label (the site's signature CTA) */
.btn-circle { display: inline-flex; align-items: center; gap: 18px; font-family: var(--font-display); font-weight: 500; color: var(--color-ink); }
.btn-circle .circle {
  width: 58px; height: 58px; border-radius: 50%; background: var(--color-primary-2);
  display: grid; place-items: center; flex: none; transition: var(--transition);
}
.btn-circle .circle svg { width: 22px; height: 22px; stroke: #fff; }
.btn-circle:hover .circle { transform: rotate(-45deg); background: var(--color-primary-dark); }
.btn-circle.on-dark { color: #fff; }
.btn-circle.light .circle { background: #fff; }
.btn-circle.light .circle svg { stroke: var(--color-primary-dark); }

/* Pill buttons (secondary) */
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 15px 34px; border-radius: 999px; font-family: var(--font-display); font-weight: 500; font-size: .95rem; transition: var(--transition); }
.btn-primary { background: var(--color-primary-2); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-3px); }
.btn-outline-light { border: 1px solid rgba(255,255,255,.5); color: #fff; }
.btn-outline-light:hover { background: #fff; color: var(--color-ink); }

/* --------------------------------------------------------------------------
   6. HEADER (transparent over hero -> solid on scroll)
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
  padding: 10px 0;
}
.site-header.solid { background: rgba(244,241,235,.96); backdrop-filter: blur(10px); box-shadow: 0 6px 26px rgba(0,0,0,.07); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.nav__logo { display: block; }
.nav__logo img { height: 58px; transition: var(--transition); }
.nav__logo .logo-dark { display: none; }
.site-header.solid .logo-light { display: none; }
.site-header.solid .logo-dark { display: block; }

.nav__menu { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav__link { display: inline-flex; align-items: center; gap: 7px; padding: 10px 16px; font-family: var(--font-display); font-weight: 500; font-size: .98rem; color: #fff; }
.site-header.solid .nav__link { color: var(--color-ink); }
.nav__link:hover { color: var(--color-primary-2); }
.site-header.solid .nav__link:hover { color: var(--color-primary-2); }
.nav__item { position: relative; }
.nav__item--has-dropdown > .nav__link::after { content:""; width:6px; height:6px; border-right:2px solid currentColor; border-bottom:2px solid currentColor; transform: rotate(45deg); margin-top:-3px; opacity:.8; transition: var(--transition); }
.nav__item--has-dropdown:hover > .nav__link::after { transform: rotate(225deg); margin-top:2px; }

.nav__icons { display: flex; align-items: center; gap: 18px; padding-left: 10px; }
.nav__icons button { color: #fff; display: grid; place-items: center; }
.site-header.solid .nav__icons button { color: var(--color-ink); }
.nav__icons svg { width: 22px; height: 22px; }

/* Dropdown */
.dropdown { position: absolute; top: 100%; left: 0; min-width: 320px; background: var(--color-dark); border-radius: 0; box-shadow: var(--shadow); padding: 30px 34px; opacity: 0; visibility: hidden; transform: translateY(14px); transition: var(--transition); }
.nav__item:hover > .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown a { display: block; padding: 12px 0; font-size: 1.08rem; font-weight: 500; color: rgba(255,255,255,.65); font-family: var(--font-display); }
.dropdown a:hover { background: none; color: #fff; padding-left: 8px; }

/* Mega menu */
.mega { position: absolute; top: 100%; left: 50%; transform: translate(-50%,14px); width: min(900px,92vw); background: #fff; border-radius: 18px; box-shadow: var(--shadow); padding: 22px; opacity: 0; visibility: hidden; transition: var(--transition); }
.nav__item--mega:hover > .mega { opacity: 1; visibility: visible; transform: translate(-50%,0); }
.mega__grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.mega__card { border-radius: var(--radius); overflow: hidden; background: var(--color-cream); }
.mega__card img { aspect-ratio: 4/3; object-fit: cover; transition: transform .6s ease; }
.mega__card:hover img { transform: scale(1.08); }
.mega__card span { display: block; padding: 11px 12px; font-family: var(--font-display); font-size: .82rem; font-weight: 500; color: var(--color-ink); line-height: 1.3; }
.mega__card:hover span { color: var(--color-primary-2); }

.lang { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-display); font-size: .92rem; font-weight: 500; }
.nav__toggle { display: none; }

/* Hamburger that opens the off-canvas drawer */
.nav__burger {
  display: inline-grid; gap: 5px; align-content: center; justify-items: center;
  width: 44px; height: 44px; padding: 11px 8px; border-radius: 50%;
  background: rgba(0,0,0,.28); backdrop-filter: blur(4px);
  transition: background var(--transition);
}
.nav__burger:hover { background: rgba(0,0,0,.42); }
.nav__burger span { display: block; height: 2px; width: 22px; background: #fff; border-radius: 2px; transition: var(--transition); }
/* On the solid (light) header, use a subtle tint with dark bars */
.site-header.solid .nav__burger { background: rgba(27,27,27,.08); }
.site-header.solid .nav__burger:hover { background: rgba(27,27,27,.16); }
.site-header.solid .nav__burger span { background: var(--color-ink); }

/* Off-canvas drawer */
.drawer__overlay { position: fixed; inset: 0; background: rgba(0,0,0,.5); opacity: 0; visibility: hidden; pointer-events: none; transition: var(--transition); z-index: 199; }
.drawer__overlay.open { opacity: 1; visibility: visible; pointer-events: auto; }
.drawer { position: fixed; top: 0; right: 0; bottom: 0; width: min(400px, 90vw); background: #fff; z-index: 200; transform: translateX(110%); pointer-events: none; transition: transform .42s cubic-bezier(.22,.61,.36,1); padding: 36px 34px; overflow-y: auto; box-shadow: var(--shadow); }
.drawer.open { transform: translateX(0); pointer-events: auto; }
.drawer__close { position: absolute; top: 22px; right: 26px; font-size: 2rem; line-height: 1; color: var(--color-ink); }
.drawer__logo img { height: 54px; margin-bottom: 30px; }
.drawer__nav { display: flex; flex-direction: column; margin-bottom: 30px; }
.drawer__nav a { padding: 14px 0; font-family: var(--font-display); font-weight: 500; font-size: 1.1rem; color: var(--color-ink); border-bottom: 1px solid var(--color-line); }
.drawer__nav a:hover { color: var(--color-primary-2); padding-left: 8px; }
.drawer__contact h4 { font-family: var(--font-display); color: var(--color-ink); margin-bottom: 12px; }
.drawer__contact p { font-size: .95rem; margin-bottom: 8px; }
.drawer__contact .socials a { color: var(--color-ink); border-color: var(--color-line); }
.drawer__contact .socials a:hover { color: #fff; }

/* --------------------------------------------------------------------------
   7. HERO
   -------------------------------------------------------------------------- */
.hero { position: relative; isolation: isolate; min-height: 100vh; display: flex; align-items: center; color: #fff; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.hero::after { content:""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(110deg, rgba(20,30,25,.72) 0%, rgba(28,60,45,.45) 55%, rgba(15,40,25,.3) 100%); }
.hero > .container, .hero__bottom { position: relative; z-index: 2; }
.hero__content { max-width: 780px; padding-top: 90px; }
.hero h1 { color: #fff; }
.hero__bottom { position: absolute; left: 0; right: 0; bottom: 46px; }
.hero__bottom .container { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.hero__bottom p { max-width: 460px; color: rgba(255,255,255,.9); margin: 0; }
.hero__chips { display: flex; flex-wrap: wrap; gap: 12px; }
.chip { padding: 10px 24px; border-radius: 999px; border: 1px solid rgba(255,255,255,.45); font-family: var(--font-display); font-size: .9rem; font-weight: 500; transition: var(--transition); }
.chip:hover { background: var(--color-primary-2); border-color: var(--color-primary-2); }

/* Hero multi-image slider */
.hero__slides { position: absolute; inset: 0; z-index: 0; }
.hero__slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.4s ease; }
.hero__slide img { width: 100%; height: 100%; object-fit: cover; }
.hero__slide.active { opacity: 1; }
.hero__slide.active img { animation: kenburns 8s ease-out forwards; }
@keyframes kenburns { from { transform: scale(1); } to { transform: scale(1.12); } }
.hero__dots { position: absolute; left: 0; right: 0; bottom: 120px; display: flex; gap: 12px; justify-content: center; z-index: 3; }
.hero__dot { width: 11px; height: 11px; border-radius: 999px; border: 1px solid rgba(255,255,255,.7); background: transparent; cursor: pointer; transition: var(--transition); padding: 0; }
.hero__dot.active { background: var(--color-primary-2); border-color: var(--color-primary-2); width: 32px; }
.hero__arrow { position: absolute; top: 50%; transform: translateY(-50%); z-index: 3; width: 56px; height: 56px; border-radius: 50%; border: 1px solid rgba(255,255,255,.4); display: grid; place-items: center; color: #fff; background: rgba(0,0,0,.12); transition: var(--transition); }
.hero__arrow svg { width: 22px; height: 22px; }
.hero__arrow:hover { background: var(--color-primary-2); border-color: var(--color-primary-2); }
.hero__arrow--prev { left: 28px; }
.hero__arrow--next { right: 28px; }
@media (max-width: 860px){ .hero__arrow { display: none; } .hero__dots { bottom: 24px; } }

/* --------------------------------------------------------------------------
   8. SPLIT (intro / about)
   -------------------------------------------------------------------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.split--text-narrow .split__body { max-width: 560px; }
.split__body .btn-circle { margin-top: 18px; }

/* Our Story media — framed image with green accent */
.story-media { position: relative; }
.story-media img { position: relative; z-index: 1; width: 100%; aspect-ratio: 5/4; object-fit: cover; border-radius: 18px; box-shadow: var(--shadow); }
.story-media::after { content: ""; position: absolute; right: -20px; bottom: -20px; width: 60%; height: 62%; border: 2px solid var(--color-primary-2); border-radius: 18px; z-index: 0; }
@media (max-width: 860px){ .story-media::after { display: none; } }

/* Editorial mosaic — wide lead image + two equal below */
.collage { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.collage img { width: 100%; height: 100%; object-fit: cover; border-radius: 16px; box-shadow: var(--shadow); transition: transform .5s ease; }
.collage img:hover { transform: scale(1.025); position: relative; z-index: 2; }
.collage img:nth-of-type(1) { grid-column: 1 / -1; aspect-ratio: 16 / 8.5; }
.collage img:nth-of-type(2), .collage img:nth-of-type(3) { aspect-ratio: 4 / 3.1; }
.collage__badge { position: absolute; left: 22px; bottom: 22px; z-index: 3; background: rgba(255,255,255,.94); backdrop-filter: blur(6px); border-radius: 14px; padding: 14px 18px; box-shadow: var(--shadow); }
.collage__badge strong { display: block; font-family: var(--font-display); font-size: 1.4rem; color: var(--color-primary-2); line-height: 1; }
.collage__badge span { font-family: var(--font-display); font-size: .72rem; letter-spacing: 1.5px; text-transform: uppercase; color: var(--color-ink); }

/* --------------------------------------------------------------------------
   9. FULL-BLEED OVERLAY SECTION (Our Scope, Hydrology)
   -------------------------------------------------------------------------- */
.fullbleed { position: relative; isolation: isolate; color: #fff; padding-block: 120px; overflow: hidden; }
.fullbleed__bg { position: absolute; inset: 0; z-index: 0; }
.fullbleed__bg img { width: 100%; height: 100%; object-fit: cover; }
.fullbleed::after { content:""; position:absolute; inset:0; z-index:1; background: linear-gradient(180deg, rgba(20,40,30,.82), rgba(15,35,25,.88)); }
.fullbleed > .container { position: relative; z-index: 2; }
.fullbleed .eyebrow { color: #8fe3ad; }
.fullbleed h2 { color: #fff; text-align: center; margin-bottom: 30px; }
.fullbleed .head { text-align: center; margin-bottom: 30px; }

/* Collapsible accordion (Our Scope) */
.accordion { max-width: 880px; margin: 0 auto; }
.accordion__item { border-bottom: 1px solid rgba(255,255,255,.22); }
.accordion__head { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 26px 6px; font-family: var(--font-display); font-size: clamp(1.15rem,2vw,1.55rem); font-weight: 500; color: rgba(255,255,255,.6); text-align: left; transition: color var(--transition), padding var(--transition); }
.accordion__head:hover { color: #8fe3ad; padding-left: 16px; }
.accordion__item.open > .accordion__head { color: #fff; }
.accordion__head .arrow { width: 24px; height: 24px; flex: none; transform: rotate(90deg); transition: transform var(--transition); }
.accordion__item.open > .accordion__head .arrow { transform: rotate(0deg); }
.accordion__body { max-height: 0; overflow: hidden; transition: max-height .45s cubic-bezier(.4,0,.2,1); }
.accordion__body-inner { padding: 0 6px 30px; }
.accordion__body ul li { position: relative; padding-left: 26px; margin-bottom: 13px; color: rgba(255,255,255,.85); }
.accordion__body ul li:last-child { margin-bottom: 0; }
.accordion__body ul li::before { content:""; position:absolute; left:0; top:11px; width:8px; height:8px; border-radius:50%; background: #8fe3ad; }

/* List rows with diagonal arrow */
.scope-list { max-width: 760px; margin: 0 auto; }
.scope-list a, .scope-list div.row { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 26px 8px; border-bottom: 1px solid rgba(255,255,255,.22); font-family: var(--font-display); font-size: clamp(1.1rem,2vw,1.5rem); font-weight: 500; color: #fff; transition: var(--transition); }
.scope-list a:hover { padding-left: 22px; color: #8fe3ad; }
.scope-list .arrow { width: 22px; height: 22px; flex: none; transition: var(--transition); }
.scope-list a:hover .arrow { transform: rotate(45deg); }

/* --------------------------------------------------------------------------
   10. ICON ROWS (Groundwater / Hydrology capabilities)
   -------------------------------------------------------------------------- */
.icon-rows { display: grid; grid-template-columns: repeat(4,1fr); gap: 0 40px; }
.icon-rows__item { padding-top: 6px; }
.icon-rows__icon { width: 56px; height: 56px; margin-bottom: 22px; color: var(--color-primary-2); }
.icon-rows__icon svg { width: 100%; height: 100%; stroke: currentColor; fill: none; stroke-width: 1.5; }
.icon-rows__item h4 { color: var(--color-ink); margin-bottom: 26px; min-height: 2.4em; }
.icon-rows__item p { font-size: .95rem; margin: 0; padding-top: 24px; border-top: 1px solid var(--color-line); }
.section--dark .icon-rows__item h4 { color: #fff; }
.section--dark .icon-rows__item p { border-color: rgba(255,255,255,.18); color: #b9b9b9; }

/* --------------------------------------------------------------------------
   11. NUMBERED FEATURE CARDS (Why Us)
   -------------------------------------------------------------------------- */
.features { display: grid; grid-template-columns: repeat(4,1fr); gap: 30px; }
.feature { position: relative; }
.feature__num { font-family: var(--font-display); font-size: 2.6rem; font-weight: 600; color: var(--color-line); line-height: 1; transition: var(--transition); }
.feature:hover .feature__num { color: var(--color-primary-2); }
.feature h4 { margin: 14px 0 10px; }
.feature p { font-size: .95rem; }
.feature::before { content:""; position:absolute; top:8px; left:-15px; width:4px; height:0; background: var(--color-primary-2); transition: var(--transition); }
.feature:hover::before { height: 60px; }

/* Horizontal expanding accordion (Why Us) */
.haccordion { display: flex; gap: 12px; height: 480px; }
.haccordion__panel { position: relative; flex: 1; min-width: 0; border-radius: 10px; overflow: hidden; cursor: pointer; color: #fff; transition: flex .6s cubic-bezier(.22,.61,.36,1); }
.haccordion__panel.active { flex: 4.5; }
.haccordion__panel img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; transition: transform .8s ease; }
.haccordion__panel.active img { transform: scale(1.06); }
.haccordion__panel::after { content:""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(15,30,20,.15), rgba(12,26,18,.82)); }
.haccordion__num { position: absolute; right: 22px; bottom: 14px; z-index: 2; font-family: var(--font-display); font-weight: 600; font-size: clamp(3.4rem, 6vw, 6.5rem); line-height: .8; color: rgba(255,255,255,.9); transition: var(--transition); }
.haccordion__panel.active .haccordion__num { color: rgba(255,255,255,.22); }
.haccordion__body { position: absolute; inset: 0; z-index: 2; display: flex; flex-direction: column; justify-content: flex-end; padding: 36px; }
.haccordion__title { color: #fff; font-family: var(--font-display); font-weight: 500; font-size: 1.6rem; line-height: 1.15; opacity: 0; transform: translateY(14px); transition: opacity .5s ease .15s, transform .5s ease .15s; }
.haccordion__desc { max-width: 440px; margin: 12px 0 0; color: rgba(255,255,255,.85); font-size: .98rem; opacity: 0; transform: translateY(14px); transition: opacity .5s ease .22s, transform .5s ease .22s; }
.haccordion__panel.active .haccordion__title, .haccordion__panel.active .haccordion__desc { opacity: 1; transform: none; }
@media (max-width: 860px){
  .haccordion { flex-direction: column; height: auto; }
  .haccordion__panel { height: 92px; transition: height .5s cubic-bezier(.22,.61,.36,1); }
  .haccordion__panel.active { height: 300px; flex: none; }
  .haccordion__num { font-size: 3rem; right: 24px; bottom: auto; top: 18px; }
  .haccordion__panel.active .haccordion__num { top: 18px; }
}

/* --------------------------------------------------------------------------
   12. V / M / G / V image cards
   -------------------------------------------------------------------------- */
.vmgv { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.vmgv__card { position: relative; isolation: isolate; border-radius: 14px; overflow: hidden; min-height: 440px; display: flex; align-items: flex-end; color: #fff; }
.vmgv__card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; transition: transform .7s ease; }
.vmgv__card::after { content:""; position:absolute; inset:0; z-index:1; background: linear-gradient(180deg, transparent 28%, rgba(15,30,20,.9)); }
.vmgv__card:hover img { transform: scale(1.08); }
.vmgv__body { position: relative; z-index: 2; padding: 30px; }
.vmgv__num { font-family: var(--font-display); font-weight: 600; color: #8fe3ad; letter-spacing: 2px; font-size: .85rem; }
.vmgv__card h3 { color: #fff; margin: 6px 0 10px; }
.vmgv__card p { color: rgba(255,255,255,.88); font-size: .92rem; margin: 0; }

/* --------------------------------------------------------------------------
   13. SERVICE CARDS
   -------------------------------------------------------------------------- */
.card { background: #fff; border-radius: 16px; overflow: hidden; box-shadow: 0 14px 40px rgba(0,0,0,.06); transition: var(--transition); }
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.card__media { overflow: hidden; aspect-ratio: 16/11; }
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s ease; }
.card:hover .card__media img { transform: scale(1.07); }
.card__body { padding: 26px; }
.card__body h4 { margin-bottom: 10px; }
.card__body p { font-size: .92rem; margin-bottom: 16px; }

/* --------------------------------------------------------------------------
   14. TABS (services page)
   -------------------------------------------------------------------------- */
.tabs__nav { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 46px; }
.tab-btn { padding: 13px 30px; border-radius: 999px; font-family: var(--font-display); font-weight: 500; color: var(--color-ink); background: #fff; border: 1px solid var(--color-line); transition: var(--transition); }
.tab-btn:hover { border-color: var(--color-primary-2); color: var(--color-primary-2); }
.tab-btn.active { background: var(--color-primary-2); color: #fff; border-color: var(--color-primary-2); }
.tab-panel { display: none; animation: fadeIn .5s ease; }
.tab-panel.active { display: block; }
.scope-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 30px; }
.scope-item h4 { color: var(--color-primary-2); margin-bottom: 10px; }
/* Client request: hide the column sub-headings in the Materials Testing tabs */
#materials .scope-item h4 { display: none; }
.scope-item ul li { position: relative; padding-left: 24px; margin-bottom: 9px; font-size: .95rem; }
.scope-item ul li::before { content:""; position:absolute; left:0; top:11px; width:8px; height:8px; border-radius:50%; background: var(--color-accent); }

/* Goals — icon cards */
.goals { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.goal { background: #fff; border: 1px solid var(--color-line); border-radius: 18px; padding: 34px 30px; transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition); }
.goal:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.goal__icon { width: 56px; height: 56px; border-radius: 15px; background: #e7f4ec; color: var(--color-primary-2); display: grid; place-items: center; margin-bottom: 20px; transition: var(--transition); }
.goal:hover .goal__icon { background: var(--color-primary-2); color: #fff; }
.goal__icon svg { width: 28px; height: 28px; stroke: currentColor; fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.goal h4 { margin-bottom: 9px; }
.goal p { margin: 0; font-size: .94rem; }
@media (max-width: 1024px){ .goals { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 860px){ .goals { grid-template-columns: 1fr; } }

/* Project / experience cards */
.projects { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.project { position: relative; background: #fff; border: 1px solid var(--color-line); border-radius: 18px; padding: 34px 34px 32px; overflow: hidden; transition: transform var(--transition), box-shadow var(--transition); }
.project::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--color-primary-2); transform: scaleY(0); transform-origin: top; transition: transform var(--transition); }
.project:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.project:hover::after { transform: scaleY(1); }
.project__index { position: absolute; right: 20px; top: 6px; z-index: 0; font-family: var(--font-display); font-weight: 600; font-size: 4.6rem; line-height: 1; color: var(--color-cream); transition: color var(--transition); pointer-events: none; }
.project:hover .project__index { color: #e6f3ea; }
.project__tag { position: relative; z-index: 1; font-family: var(--font-display); font-size: .72rem; font-weight: 600; letter-spacing: 1.6px; text-transform: uppercase; color: var(--color-primary-2); }
.project h4 { position: relative; z-index: 1; margin: 8px 0 10px; padding-right: 40px; }
.project p { position: relative; z-index: 1; margin: 0; font-size: .94rem; }
@media (max-width: 860px){ .projects { grid-template-columns: 1fr; } }

/* Service tab: image + scope grid */
.svc-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 48px; align-items: center; }
.svc-grid__media img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 16px; box-shadow: var(--shadow); }
/* Cross-fade slideshow (two stacked images) */
.svc-grid__media .img-fade { position: relative; width: 100%; aspect-ratio: 4/3; border-radius: 16px; overflow: hidden; box-shadow: var(--shadow); }
.svc-grid__media .img-fade img { position: absolute; inset: 0; width: 100%; height: 100%; aspect-ratio: auto; object-fit: cover; border-radius: 0; box-shadow: none; }
.svc-grid__media .img-fade img:last-child { animation: chemfade 9s ease-in-out infinite; }
@keyframes chemfade { 0%, 42% { opacity: 1; } 50%, 92% { opacity: 0; } 100% { opacity: 1; } }
/* Multi-image fading slideshow (e.g. Aggregate, 8 frames over 32s) */
.svc-grid__media .slideshow { position: relative; width: 100%; aspect-ratio: 4/3; border-radius: 16px; overflow: hidden; box-shadow: var(--shadow); }
.svc-grid__media .slideshow img { position: absolute; inset: 0; width: 100%; height: 100%; aspect-ratio: auto; object-fit: cover; border-radius: 0; box-shadow: none; opacity: 0; animation: slideShow 32s linear infinite; }
.svc-grid__media .slideshow img:nth-child(1){ animation-delay: 0s; }
.svc-grid__media .slideshow img:nth-child(2){ animation-delay: 4s; }
.svc-grid__media .slideshow img:nth-child(3){ animation-delay: 8s; }
.svc-grid__media .slideshow img:nth-child(4){ animation-delay: 12s; }
.svc-grid__media .slideshow img:nth-child(5){ animation-delay: 16s; }
.svc-grid__media .slideshow img:nth-child(6){ animation-delay: 20s; }
.svc-grid__media .slideshow img:nth-child(7){ animation-delay: 24s; }
.svc-grid__media .slideshow img:nth-child(8){ animation-delay: 28s; }
@keyframes slideShow { 0%{opacity:0} 1.2%{opacity:1} 11.3%{opacity:1} 12.5%{opacity:0} 100%{opacity:0} }
/* 4-frame variant (24s) */
.svc-grid__media .slideshow--4 img { animation: slideShow4 24s linear infinite; }
.svc-grid__media .slideshow--4 img:nth-child(1){ animation-delay: 0s; }
.svc-grid__media .slideshow--4 img:nth-child(2){ animation-delay: 6s; }
.svc-grid__media .slideshow--4 img:nth-child(3){ animation-delay: 12s; }
.svc-grid__media .slideshow--4 img:nth-child(4){ animation-delay: 18s; }
@keyframes slideShow4 { 0%{opacity:0} 2%{opacity:1} 22%{opacity:1} 25%{opacity:0} 100%{opacity:0} }
@media (max-width: 860px){ .svc-grid { grid-template-columns: 1fr; gap: 28px; } }

/* Titled scope list (Services) */
.scope-card-list { display: grid; }
.scope-line { padding: 18px 2px; border-top: 1px solid var(--color-line); }
.scope-line:first-child { border-top: none; padding-top: 0; }
.scope-line h4 { margin-bottom: 5px; color: var(--color-ink); }
.scope-line p { margin: 0; font-size: .94rem; }

/* Plain text tabs (Mission / Vision / Objectives on dark full-bleed) */
.tabs--plain { display: flex; flex-wrap: wrap; gap: 36px; justify-content: flex-start; margin-bottom: 34px; max-width: 880px; margin-inline: auto; }
.tabs--plain .tab-btn { background: none; border: none; padding: 6px 0; border-radius: 0; color: rgba(255,255,255,.55); font-size: clamp(1.2rem,2vw,1.6rem); font-weight: 500; }
.tabs--plain .tab-btn:hover { color: #8fe3ad; }
.tabs--plain .tab-btn.active { color: #fff; background: none; border: none; }
.tabs--plain + .tab-panels { max-width: 880px; margin: 0 auto; }
.bullets { max-width: 880px; margin: 0 auto; }
.bullets li { position: relative; padding-left: 26px; margin-bottom: 14px; color: rgba(255,255,255,.85); }
.bullets li::before { content:""; position:absolute; left:0; top:11px; width:8px; height:8px; border-radius:50%; background: #8fe3ad; }

/* --------------------------------------------------------------------------
   15. PARTNERS marquee
   -------------------------------------------------------------------------- */
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent); mask-image: linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent); }
.marquee__track { display: flex; align-items: center; gap: 64px; width: max-content; animation: scroll-x 45s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee img { height: 58px; width: auto; object-fit: contain; filter: grayscale(1); opacity: .65; transition: var(--transition); }
.marquee img:hover { filter: none; opacity: 1; }

/* --------------------------------------------------------------------------
   16. FOOTER
   -------------------------------------------------------------------------- */
.footer { background: var(--color-dark); color: #9a9a9a; padding-top: 90px; }
.footer__top { display: grid; grid-template-columns: 1.5fr 1.3fr 1.4fr; gap: 0; padding-bottom: 60px; }
.footer__col { padding: 0 46px; border-left: 1px solid #2e2e2e; }
.footer__col:first-child { padding-left: 0; border-left: none; }
.footer__logo { height: 60px; margin-bottom: 24px; }
.footer__col p { font-size: .94rem; }
.footer h4 { color: #fff; font-weight: 500; }
.footer__head { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; }
.footer a:hover { color: var(--color-primary-2); }
.footer__contact p { margin-bottom: 10px; }
.footer__news { border-top: 1px solid #2e2e2e; padding-top: 18px; margin-top: 6px; }
.socials { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.socials a { padding: 8px 18px; border-radius: 999px; border: 1px solid #3a3a3a; font-family: var(--font-display); font-size: .85rem; transition: var(--transition); }
.socials a:hover { background: var(--color-primary-2); border-color: var(--color-primary-2); color: #fff; }
.footer__bottom { border-top: 1px solid #2e2e2e; padding: 24px 0; text-align: center; font-size: .85rem; color: #777; }

/* --------------------------------------------------------------------------
   17. PAGE BANNER (interior pages)
   -------------------------------------------------------------------------- */
.page-banner { position: relative; isolation: isolate; padding: 200px 0 100px; color: #fff; text-align: center; overflow: hidden; }
.page-banner img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.page-banner::after { content:""; position:absolute; inset:0; z-index:1; background: linear-gradient(120deg, rgba(20,40,30,.85), rgba(15,35,25,.78)); }
.page-banner > .container { position: relative; z-index: 2; }
.page-banner h1 { color: #fff; }
.breadcrumb { font-family: var(--font-display); font-size: .92rem; color: rgba(255,255,255,.85); margin-top: 10px; }
.breadcrumb a:hover { color: #fff; }

/* --------------------------------------------------------------------------
   18. CONTACT
   -------------------------------------------------------------------------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 60px; align-items: start; }
.contact-card { border-bottom: 1px solid var(--color-line); padding: 22px 0; }
.field { margin-bottom: 18px; }
.field label { display:block; font-family: var(--font-display); font-size:.85rem; font-weight:500; color: var(--color-ink); margin-bottom: 7px; }
.field input, .field textarea { width:100%; padding:15px 18px; border-radius: var(--radius); border:1px solid var(--color-line); background:#fff; font-family:inherit; font-size:.95rem; }
.field input:focus, .field textarea:focus { outline:none; border-color: var(--color-primary-2); }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.map-embed iframe { width:100%; height:420px; border:0; border-radius: var(--radius); display:block; }

/* --------------------------------------------------------------------------
   19. LIGHTBOX
   -------------------------------------------------------------------------- */
.lightbox { position: fixed; inset:0; background: rgba(0,0,0,.92); display:none; place-items:center; z-index:1000; padding:30px; }
.lightbox.open { display:grid; }
.lightbox img { max-width:90vw; max-height:88vh; border-radius:10px; }
.lightbox__close { position:absolute; top:24px; right:32px; color:#fff; font-size:2.4rem; line-height:1; }

/* --------------------------------------------------------------------------
   20. SCROLL-REVEAL
   -------------------------------------------------------------------------- */
[data-reveal] { opacity:0; transform: translateY(46px); transition: opacity .8s ease, transform .8s cubic-bezier(.22,.61,.36,1); }
[data-reveal="left"] { transform: translateX(-46px); }
[data-reveal="right"] { transform: translateX(46px); }
[data-reveal].is-visible { opacity:1; transform:none; }
[data-delay="1"]{transition-delay:.1s}[data-delay="2"]{transition-delay:.2s}[data-delay="3"]{transition-delay:.3s}[data-delay="4"]{transition-delay:.4s}[data-delay="5"]{transition-delay:.5s}
@keyframes fadeIn { from{opacity:0} to{opacity:1} }
@keyframes scroll-x { to { transform: translateX(-50%); } }

/* --------------------------------------------------------------------------
   21. RESPONSIVE
   -------------------------------------------------------------------------- */
@media (max-width: 1024px){
  :root{ --section-y: 90px; }
  .vmgv,.features,.icon-rows,.mega__grid{ grid-template-columns: repeat(2,1fr); }
  .icon-rows{ gap: 40px 40px; }
  .footer__top{ grid-template-columns:1fr; }
  .footer__col{ border-left:none; padding:30px 0; border-top:1px solid #2e2e2e; }
  .footer__col:first-child{ border-top:none; padding-top:0; }
}
@media (max-width: 860px){
  :root{ --section-y: 70px; }
  .nav__menu{ display: none; }   /* mobile nav handled by the off-canvas drawer */
  .nav__icons{ display: flex; }
  .split,.contact-grid,.scope-grid,.form-row{ grid-template-columns:1fr; gap:40px; }
  .grid-2,.grid-3,.grid-4,.vmgv,.features,.icon-rows{ grid-template-columns:1fr; gap:34px; }
  .collage{ grid-template-columns:1fr 1fr; }
  .collage img, .collage img:nth-of-type(1){ aspect-ratio:16/10; grid-column:auto; }
  .collage img:nth-of-type(1){ grid-column:1 / -1; }
  .collage__badge{ left:16px; bottom:16px; padding:11px 15px; }
  .hero{ display:flex; flex-direction:column; justify-content:center; align-items:stretch; min-height:90vh; padding:120px 0 46px; text-align:center; }
  .hero__content{ padding-top:0; max-width:none; }
  .hero__bottom{ position:static; margin-top:26px; }
  .hero__bottom .container{ flex-direction:column; align-items:center; gap:18px; }
  .hero__bottom p{ max-width:520px; margin-inline:auto; font-size:.98rem; color:rgba(255,255,255,.92); }
  .hero__chips{ justify-content:center; }
  .hero__dot{ width:9px; height:9px; }
  .hero__dot.active{ width:26px; }
  .hero__dots{ position:static; margin-top:28px; justify-content:center; padding:0 24px; }
  .page-banner{ padding:140px 0 72px; }
  .footer__top{ grid-template-columns:1fr; }
}
@media (max-width: 560px){
  .hero h1{ font-size: 2.4rem; line-height: 1.14; letter-spacing:-.5px; }
  .hero__content .eyebrow{ margin-bottom: 12px; }
  .chip{ padding: 8px 18px; font-size: .82rem; }
  .page-banner{ padding:128px 0 60px; }
  .page-banner h1{ font-size: 2.4rem; }
  /* Keep the header from overflowing so the hamburger stays on-screen */
  .nav{ gap: 8px; flex-wrap: nowrap; min-width: 0; }
  .nav__logo{ min-width: 0; flex: 0 1 auto; }
  .nav__logo img{ height: 40px; max-width: 100%; }
  .nav__icons{ gap: 8px; padding-left: 0; flex: 0 0 auto; margin-left: auto; }
  .nav__burger{ width: 40px; height: 40px; padding: 10px 8px; flex: 0 0 auto; }
}

/* ===================== OUR STORY — big heading + image mosaic strip (option 90) ===================== */
.story-strip{background:#fff;padding:var(--section-y,110px) 24px 0}
.story-strip__head{max-width:900px;margin:0 auto 44px;text-align:center}
.story-strip__head h2{font-weight:300;font-size:clamp(2.4rem,5.4vw,4rem);margin:14px 0 16px;letter-spacing:-.5px}
.story-strip__head p{margin:0 auto;max-width:560px;color:#555}
.story-strip__grid{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;align-items:stretch}
.story-strip__grid img{width:100%;height:340px;object-fit:cover}
@media(max-width:860px){.story-strip__grid{grid-template-columns:repeat(2,1fr)}.story-strip__grid img{height:220px}}

/* BUILD-MARKER 20260621c — hero mobile centered + enhanced */