/* =================================================================
   QUADRIFOGLIO 2010 S.r.l.s. — Impianti Tecnologici · Lavori Edili
   Modern interactive landing page
   Author: Senior FE / UI-UX build
   ================================================================= */

/* ---------- 1. DESIGN TOKENS ---------- */
:root {
  /* Brand greens — lighter & more vivid than the original #41745b */
  --brand:      #41745b;      /* original logo green (reference) */
  --green-900:  #0e2319;
  --green-800:  #163225;
  --green-700:  #1d4332;
  --green-600:  #2a6347;
  --green-500:  #38995c;
  --green-400:  #4cb872;
  --emerald:    #2fbf71;
  --mint:       #6fe39a;
  --spring:     #43c59e;
  --lime:       #8bd450;

  /* Sharp, intentional accent — sunlit amber/gold */
  --accent:     #ffb100;
  --accent-2:   #ffd166;
  --accent-deep:#e08a00;

  /* Neutrals */
  --ink:        #102018;
  --ink-soft:   #36473e;
  --muted:      #6b7d72;
  --line:       #e3ece5;
  --paper:      #ffffff;
  --cream:      #f3f8f3;
  --cream-2:    #eaf3ec;

  /* Effects */
  --ease:       cubic-bezier(0.25, 0.8, 0.25, 1);
  --shadow-sm:  0 4px 14px rgba(16, 50, 35, 0.08);
  --shadow-md:  0 14px 34px rgba(16, 50, 35, 0.12);
  --shadow-lg:  0 30px 70px rgba(13, 45, 30, 0.22);
  --radius:     20px;
  --radius-sm:  14px;
  --maxw:       1200px;

  --grad-brand: linear-gradient(120deg, var(--emerald), var(--green-500) 45%, var(--green-600));
  --grad-accent:linear-gradient(120deg, var(--accent), var(--accent-2));
}

/* ---------- 2. RESET ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: 'Space Grotesk', 'Inter', system-ui, sans-serif; line-height: 1.08; font-weight: 700; letter-spacing: -0.02em; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }
::selection { background: var(--emerald); color: #fff; }

/* ---------- 3. LAYOUT HELPERS ---------- */
.wrap { width: min(100% - 2.5rem, var(--maxw)); margin-inline: auto; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: 'Space Grotesk', sans-serif;
  font-size: .78rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  color: var(--green-600);
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--grad-accent); border-radius: 2px; }
.section { padding: clamp(4rem, 9vw, 7.5rem) 0; position: relative; }
.section-head { max-width: 640px; margin-bottom: 3.2rem; }
.section-head h2 { font-size: clamp(1.9rem, 4.6vw, 3rem); margin: .9rem 0 .8rem; }
.section-head p { color: var(--ink-soft); font-size: 1.06rem; }
.text-grad {
  background: linear-gradient(110deg, var(--emerald), var(--green-600) 60%, var(--brand));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  padding-right: .12em; margin-right: -.08em; /* evita il taglio dell'ultima lettera in corsivo */
}

/* ---------- 4. ATMOSPHERIC BACKGROUND ---------- */
.bg-stage { position: fixed; inset: 0; z-index: -2; overflow: hidden; pointer-events: none; }
.blob { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .55; mix-blend-mode: multiply; }
.blob.b1 { width: 46vw; height: 46vw; left: -10vw; top: -8vw;
  background: radial-gradient(circle at 30% 30%, var(--mint), transparent 65%); animation: drift1 26s var(--ease) infinite; }
.blob.b2 { width: 40vw; height: 40vw; right: -8vw; top: 12vh;
  background: radial-gradient(circle at 50% 50%, var(--spring), transparent 65%); animation: drift2 32s var(--ease) infinite; }
.blob.b3 { width: 38vw; height: 38vw; left: 20vw; bottom: -14vw;
  background: radial-gradient(circle at 50% 50%, var(--accent-2), transparent 60%); opacity: .3; animation: drift3 30s var(--ease) infinite; }
.bg-grid { position: fixed; inset: 0; z-index: -2; pointer-events: none; opacity: .5;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px; mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 70%); }
#particles { position: fixed; inset: 0; z-index: -1; pointer-events: none; }

@keyframes drift1 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(6vw,5vh) scale(1.12); } }
@keyframes drift2 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-5vw,7vh) scale(1.1); } }
@keyframes drift3 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(4vw,-6vh) scale(1.15); } }

/* ---------- 5. HEADER / NAV ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: all .4s var(--ease);
  padding: 1.1rem 0;
}
.site-header.scrolled {
  background: rgba(255,255,255,.78);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  box-shadow: var(--shadow-sm); padding: .65rem 0;
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.brand { display: flex; align-items: center; gap: .7rem; }
.brand .logo-svg { width: 44px; height: 44px; object-fit: contain; transition: transform .5s var(--ease); }
.brand:hover .logo-svg { transform: rotate(-12deg) scale(1.06); }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-text strong { font-family: 'Space Grotesk', sans-serif; font-size: 1.18rem; letter-spacing: -.01em; color: var(--green-700); }
.brand-text span { font-size: .64rem; letter-spacing: .22em; text-transform: uppercase; color: var(--muted); margin-top: 3px; }

.nav-links { display: flex; align-items: center; gap: .35rem; }
.nav-links a {
  position: relative; padding: .55rem .9rem; font-size: .94rem; font-weight: 500; color: var(--ink-soft);
  border-radius: 10px; transition: all .3s var(--ease);
}
.nav-links a::after {
  content: ""; position: absolute; left: .9rem; right: .9rem; bottom: .32rem; height: 2px;
  background: var(--grad-accent); border-radius: 2px; transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease);
}
.nav-links a:hover { color: var(--green-700); }
.nav-links a:hover::after { transform: scaleX(1); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .8rem 1.5rem; border-radius: 999px; font-weight: 600; font-size: .95rem;
  transition: all .3s var(--ease); will-change: transform; position: relative; overflow: hidden;
}
.btn svg { width: 18px; height: 18px; transition: transform .3s var(--ease); }
.btn-primary { background: var(--grad-brand); color: #fff; box-shadow: 0 10px 24px rgba(47,191,113,.34); }
.btn-primary::before {
  content: ""; position: absolute; inset: 0; background: var(--grad-accent); opacity: 0; transition: opacity .35s var(--ease);
}
.btn-primary span, .btn-primary svg { position: relative; z-index: 1; }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 32px rgba(255,177,0,.4); }
.btn-primary:hover::before { opacity: 1; }
.btn-primary:hover svg { transform: translateX(4px); }
.btn-primary:active { transform: translateY(-1px) scale(.98); }

.btn-ghost { background: rgba(255,255,255,.6); color: var(--green-700); border: 1.5px solid var(--line); backdrop-filter: blur(6px); }
.btn-ghost:hover { transform: translateY(-3px); border-color: var(--emerald); color: var(--green-800); box-shadow: var(--shadow-sm); }

.nav-cta { display: flex; align-items: center; gap: .6rem; }
.nav-toggle { display: none; width: 44px; height: 44px; border-radius: 12px; position: relative; }
.nav-toggle span { position: absolute; left: 11px; right: 11px; height: 2px; background: var(--green-700); border-radius: 2px; transition: all .3s var(--ease); }
.nav-toggle span:nth-child(1) { top: 15px; }
.nav-toggle span:nth-child(2) { top: 21px; }
.nav-toggle span:nth-child(3) { top: 27px; }
.nav-toggle.open span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { top: 21px; transform: rotate(-45deg); }

/* ---------- 6. HERO (asymmetrical split) ---------- */
.hero { position: relative; padding-top: clamp(7rem, 16vh, 11rem); padding-bottom: clamp(3rem, 8vh, 6rem); overflow: hidden; }
.hero-grid {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: .6rem; padding: .5rem .9rem .5rem .6rem;
  background: rgba(255,255,255,.7); border: 1px solid var(--line); border-radius: 999px;
  font-size: .82rem; font-weight: 500; color: var(--green-700); box-shadow: var(--shadow-sm); backdrop-filter: blur(6px);
}
.hero-badge b { background: var(--grad-brand); color: #fff; padding: .2rem .6rem; border-radius: 999px; font-size: .72rem; font-weight: 700; letter-spacing: .04em; }
.hero h1 { font-size: clamp(2.5rem, 6.2vw, 4.4rem); margin: 1.4rem 0 1.2rem; }
.hero h1 .line { display: block; overflow: visible; padding-right: .08em; }
.hero p.lead { font-size: clamp(1.05rem, 2vw, 1.22rem); color: var(--ink-soft); max-width: 33ch; margin-bottom: 2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-bottom: 2.6rem; }
.hero-stats { display: flex; gap: 2.4rem; flex-wrap: wrap; }
.hero-stats .stat .num { font-family: 'Space Grotesk', sans-serif; font-size: clamp(1.6rem, 3.4vw, 2.3rem); font-weight: 700; color: var(--green-700); }
.hero-stats .stat .num span { color: var(--accent-deep); }
.hero-stats .stat .lbl { font-size: .82rem; color: var(--muted); letter-spacing: .02em; }

/* Hero visual side */
.hero-visual { position: relative; min-height: 460px; display: grid; place-items: center; }
.clover-stage { position: relative; width: min(420px, 80%); aspect-ratio: 1; display: grid; place-items: center; }
.clover-ring {
  position: absolute; inset: 0; border-radius: 50%;
  background: conic-gradient(from 0deg, var(--emerald), var(--spring), var(--lime), var(--accent-2), var(--emerald));
  filter: blur(2px); opacity: .25; animation: spin 22s linear infinite;
}
.clover-ring.r2 { inset: 9%; opacity: .14; animation-duration: 32s; animation-direction: reverse; }
.clover-disc {
  position: absolute; inset: 14%; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #ffffff, var(--cream-2) 70%, var(--cream));
  box-shadow: var(--shadow-lg), inset 0 0 0 1px rgba(255,255,255,.7);
}
.clover-hero { position: relative; width: 58%; height: auto; display: block; animation: floaty 6s ease-in-out infinite; transform-style: preserve-3d; filter: drop-shadow(0 18px 30px rgba(13,45,30,.22)); }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes floaty { 0%,100% { transform: translateY(0) rotate(0deg); } 50% { transform: translateY(-14px) rotate(3deg); } }

/* floating glass chips around the clover */
.chip {
  position: absolute; display: flex; align-items: center; gap: .55rem; padding: .6rem .85rem;
  background: rgba(255,255,255,.82); border: 1px solid rgba(255,255,255,.9); border-radius: 14px;
  box-shadow: var(--shadow-md); font-size: .82rem; font-weight: 600; color: var(--green-800);
  backdrop-filter: blur(8px); animation: floaty 5s ease-in-out infinite;
}
.chip i { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 9px; background: var(--grad-brand); color: #fff; }
.chip i svg { width: 17px; height: 17px; }
.chip.c1 { top: 6%; left: -6%; animation-delay: .2s; }
.chip.c2 { top: 40%; right: -10%; animation-delay: 1.1s; }
.chip.c3 { bottom: 4%; left: 4%; animation-delay: .6s; }
.chip.c2 i { background: var(--grad-accent); color: var(--green-900); }

.scroll-cue { position: absolute; left: 50%; bottom: 1.2rem; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: .4rem; color: var(--muted); font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; }
.scroll-cue .mouse { width: 22px; height: 36px; border: 2px solid var(--muted); border-radius: 12px; position: relative; }
.scroll-cue .mouse::after { content: ""; position: absolute; top: 6px; left: 50%; width: 3px; height: 7px; background: var(--green-600); border-radius: 2px; transform: translateX(-50%); animation: wheel 1.6s var(--ease) infinite; }
@keyframes wheel { 0% { opacity: 0; transform: translate(-50%,0); } 40% { opacity: 1; } 100% { opacity: 0; transform: translate(-50%,10px); } }

/* ---------- 7. MARQUEE (sectors strip) ---------- */
.marquee { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.5); padding: 1.1rem 0; overflow: hidden; }
.marquee-track { display: flex; gap: 3rem; width: max-content; animation: scrollx 28s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span { font-family: 'Space Grotesk', sans-serif; font-weight: 600; color: var(--green-700); font-size: 1.05rem; display: inline-flex; align-items: center; gap: .8rem; opacity: .85; }
.marquee-track span::before { content: "✦"; color: var(--accent); }
@keyframes scrollx { to { transform: translateX(-50%); } }

/* ---------- 8. SERVICES ---------- */
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.3rem; }
/* keep 4 per row as long as they fit; drop to 2 only when too narrow */
@media (max-width: 720px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
.card {
  position: relative; padding: 2rem 1.7rem; border-radius: var(--radius); background: var(--paper);
  border: 1px solid var(--line); box-shadow: var(--shadow-sm); overflow: hidden;
  transition: all .3s var(--ease); transform-style: preserve-3d; will-change: transform;
}
.card::before {
  content: ""; position: absolute; inset: 0; opacity: 0; transition: opacity .35s var(--ease);
  background: linear-gradient(150deg, rgba(111,227,154,.14), rgba(255,209,102,.1)); pointer-events: none;
}
.card::after {
  content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: var(--grad-brand);
  transform: scaleX(0); transform-origin: left; transition: transform .4s var(--ease);
}
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.card:hover::before { opacity: 1; }
.card:hover::after { transform: scaleX(1); }
.card .icon {
  width: 58px; height: 58px; border-radius: 16px; display: grid; place-items: center; margin-bottom: 1.2rem;
  background: linear-gradient(145deg, var(--cream-2), #fff); color: var(--green-600); box-shadow: var(--shadow-sm);
  transition: all .4s var(--ease); position: relative; z-index: 1;
}
.card .icon svg { width: 28px; height: 28px; transition: transform .4s var(--ease); }
.card:hover .icon { background: var(--grad-brand); color: #fff; transform: rotate(-6deg) scale(1.05); }
.card:hover .icon svg { transform: scale(1.08); }
.card h3 { font-size: 1.24rem; margin-bottom: .5rem; position: relative; z-index: 1; }
.card p { color: var(--ink-soft); font-size: .96rem; position: relative; z-index: 1; }
.card .tag { display: inline-block; margin-top: 1rem; font-size: .76rem; font-weight: 600; letter-spacing: .04em; color: var(--green-600); position: relative; z-index: 1; }

/* feature card spanning bigger */
.card.feature { grid-column: span 2; background: var(--grad-brand); color: #fff; border: none; }
.card.feature::after { display: none; }
.card.feature h3 { color: #fff; font-size: 1.7rem; }
.card.feature p { color: rgba(255,255,255,.9); max-width: 46ch; }
.card.feature .icon { background: rgba(255,255,255,.16); color: #fff; }
.card.feature:hover .icon { background: var(--accent); color: var(--green-900); }
.card.feature .btn-ghost { margin-top: 1.4rem; background: rgba(255,255,255,.14); color: #fff; border-color: rgba(255,255,255,.3); }
.card.feature .btn-ghost:hover { background: #fff; color: var(--green-700); }

/* full-width green strip variant */
.card.feature.full { grid-column: 1 / -1; }
.card.feature.full .icon { margin-bottom: 1.4rem; }
@media (min-width: 760px) {
  .card.feature.full { padding: 2.4rem 2.6rem; }
  .card.feature.full p { max-width: 70ch; }
}

/* ---------- 9. SECTORS (split panels) ---------- */
.sectors { background: linear-gradient(180deg, transparent, rgba(234,243,236,.6)); }
.sectors-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.3rem; }
.sector {
  position: relative; padding: 2.4rem 2rem; border-radius: var(--radius); overflow: hidden;
  min-height: 230px; display: flex; flex-direction: column; justify-content: flex-end;
  color: #fff; transition: all .4s var(--ease); isolation: isolate;
}
.sector::before { content: ""; position: absolute; inset: 0; z-index: -1; transition: transform .6s var(--ease); }
.sector.s-civ::before  { background: linear-gradient(135deg, var(--green-600), var(--emerald)); }
.sector.s-ind::before  { background: linear-gradient(135deg, var(--green-800), var(--green-600)); }
.sector.s-pub::before  { background: linear-gradient(135deg, var(--brand), var(--spring)); }
.sector.s-priv::before { background: linear-gradient(135deg, var(--green-700), var(--lime)); }
.sector::after { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(circle at 80% 0%, rgba(255,255,255,.25), transparent 55%); }
.sector:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.sector:hover::before { transform: scale(1.08); }
.sector .s-num { font-family: 'Space Grotesk', sans-serif; font-size: .85rem; opacity: .7; letter-spacing: .1em; }
.sector h3 { font-size: 1.55rem; margin: .4rem 0 .5rem; }
.sector p { font-size: .96rem; color: rgba(255,255,255,.92); max-width: 40ch; }
.sector .badge-mepa { position: absolute; top: 1.4rem; right: 1.4rem; background: var(--accent); color: var(--green-900); font-weight: 700; font-size: .72rem; padding: .3rem .7rem; border-radius: 999px; letter-spacing: .04em; z-index: 1; }

/* ---------- 10. ABOUT / WHY ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.about-visual { position: relative; border-radius: var(--radius); overflow: hidden; min-height: 420px;
  background: linear-gradient(160deg, var(--green-700), var(--green-600) 50%, var(--emerald)); box-shadow: var(--shadow-lg); display: grid; place-items: center; }
.about-visual .ghost-clover { width: 70%; opacity: .9; filter: drop-shadow(0 20px 40px rgba(0,0,0,.25)); animation: floaty 7s ease-in-out infinite; }
.about-visual .glow { position: absolute; width: 60%; height: 60%; background: radial-gradient(circle, rgba(255,209,102,.5), transparent 70%); filter: blur(40px); }
.about-single { max-width: 920px; margin-inline: auto; }
.about-single .section-head { max-width: none; margin-bottom: 0; }

/* Certification card + certificate button */
.cert-card {
  display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap;
  margin-top: 1.8rem; padding: 1.3rem 1.5rem; border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(47,191,113,.10), rgba(255,209,102,.10));
  border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  transition: all .3s var(--ease);
}
.cert-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: var(--emerald); }
.cert-ic { flex: 0 0 auto; width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center; background: var(--grad-brand); color: #fff; box-shadow: var(--shadow-sm); }
.cert-ic svg { width: 28px; height: 28px; }
.cert-body { flex: 1 1 240px; min-width: 0; }
.cert-body strong { display: block; font-family: 'Space Grotesk', sans-serif; font-size: 1.06rem; color: var(--green-800); }
.cert-body span { font-size: .9rem; color: var(--ink-soft); }
.cert-btn { flex: 0 0 auto; }

/* Colored, borderless, animated CTA button (-> certifications / people pages) */
.cert-cta { margin-top: 1.6rem; display: flex; }
.btn-pulse {
  display: inline-flex; align-items: center; gap: .7rem;
  padding: 1rem 2rem; border: none; border-radius: 999px;
  font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1.02rem; letter-spacing: .01em;
  color: #fff; cursor: pointer; position: relative; overflow: hidden; isolation: isolate;
  background: linear-gradient(120deg, var(--emerald), var(--spring) 45%, var(--lime));
  background-size: 220% 220%;
  box-shadow: 0 12px 30px rgba(47,191,113,.42), 0 2px 8px rgba(16,50,35,.16);
  transition: all .3s var(--ease); will-change: transform;
  animation: bpGlow 2.6s var(--ease) infinite, bpGrad 6s ease infinite;
}
.btn-pulse > * { position: relative; z-index: 1; }
.btn-pulse .bp-ic, .btn-pulse .bp-arrow { width: 19px; height: 19px; transition: transform .3s var(--ease); }
/* moving shine sweep */
.btn-pulse::before {
  content: ""; position: absolute; top: 0; left: -60%; width: 45%; height: 100%; z-index: 0;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.5), transparent);
  transform: skewX(-18deg); animation: bpShine 3.4s var(--ease) infinite;
}
.btn-pulse:hover { transform: translateY(-4px) scale(1.03); box-shadow: 0 20px 42px rgba(47,191,113,.5), 0 4px 12px rgba(16,50,35,.2); animation-play-state: paused; }
.btn-pulse:hover .bp-arrow { transform: translateX(5px); }
.btn-pulse:hover .bp-ic { transform: rotate(-8deg) scale(1.1); }
.btn-pulse:active { transform: translateY(-1px) scale(.99); }
@keyframes bpGlow {
  0%,100% { box-shadow: 0 12px 30px rgba(47,191,113,.42), 0 2px 8px rgba(16,50,35,.16); }
  50%     { box-shadow: 0 16px 40px rgba(67,197,158,.6), 0 2px 8px rgba(16,50,35,.16); }
}
@keyframes bpGrad { 0%,100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
@keyframes bpShine { 0% { left: -60%; } 55%,100% { left: 130%; } }

/* ---------- CERTIFICATIONS / PEOPLE SUB-PAGES ---------- */
.subpage-hero { padding-top: clamp(8rem, 18vh, 12rem); padding-bottom: clamp(1rem, 4vh, 2.5rem); text-align: center; }
.subpage-hero .section-head { margin-inline: auto; margin-bottom: 0; }
.back-link {
  display: inline-flex; align-items: center; gap: .5rem; margin-bottom: 1.2rem;
  font-size: .9rem; font-weight: 600; color: var(--green-600); transition: all .3s var(--ease);
}
.back-link svg { width: 17px; height: 17px; transition: transform .3s var(--ease); }
.back-link:hover { color: var(--green-800); }
.back-link:hover svg { transform: translateX(-4px); }
.subpage-wrap { max-width: 880px; margin-inline: auto; }

/* centered version of the CTA button */
.cert-cta.center { justify-content: center; margin-top: 2.4rem; }

/* People accordion */
.people { display: grid; gap: 1.1rem; margin-top: 1rem; }
.person {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); overflow: hidden; transition: all .3s var(--ease);
}
.person:hover { box-shadow: var(--shadow-md); border-color: var(--emerald); }
.person.open { box-shadow: var(--shadow-md); border-color: transparent; }
.person-head {
  width: 100%; display: flex; align-items: center; gap: 1.1rem; text-align: left;
  padding: 1.4rem 1.6rem; background: none; transition: background .3s var(--ease);
}
.person.open .person-head { background: linear-gradient(135deg, rgba(47,191,113,.10), rgba(255,209,102,.10)); }
.person-avatar {
  flex: 0 0 auto; width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center;
  background: var(--grad-brand); color: #fff; font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1.2rem;
  box-shadow: var(--shadow-sm); transition: transform .4s var(--ease);
}
.person.open .person-avatar { transform: scale(1.05) rotate(-4deg); }
.person-info { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; }
.person-name { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1.18rem; color: var(--green-800); letter-spacing: -.01em; }
.person-role { font-size: .82rem; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; margin-top: 2px; }
.person-chevron { flex: 0 0 auto; width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; background: var(--cream-2); color: var(--green-600); transition: all .35s var(--ease); }
.person-chevron svg { width: 19px; height: 19px; transition: transform .35s var(--ease); }
.person.open .person-chevron { background: var(--grad-brand); color: #fff; }
.person.open .person-chevron svg { transform: rotate(180deg); }
.person-panel { max-height: 0; overflow: hidden; transition: max-height .45s var(--ease); }
.person-panel-inner { padding: .4rem 1.6rem 1.6rem; }
.cert-list { display: grid; gap: .7rem; }
.cert-list li {
  background: var(--cream); border: 1px solid var(--line); border-radius: var(--radius-sm);
  transition: all .3s var(--ease);
}
.cert-list li:hover { border-color: var(--emerald); background: #fff; transform: translateX(4px); box-shadow: var(--shadow-sm); }
.cert-list a.cl-link {
  display: flex; align-items: center; gap: .8rem; padding: .9rem 1.1rem;
  font-size: .95rem; color: var(--ink-soft); border-radius: var(--radius-sm);
}
.cert-list .cl-ic { flex: 0 0 auto; width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center; background: rgba(47,191,113,.14); color: var(--green-600); transition: all .3s var(--ease); }
.cert-list .cl-ic svg { width: 16px; height: 16px; }
.cert-list li:hover .cl-ic { background: var(--grad-brand); color: #fff; }
.cert-list .cl-txt { flex: 1 1 auto; min-width: 0; }
.cert-list b { color: var(--green-800); font-weight: 600; }
.cert-list .cl-ext { flex: 0 0 auto; width: 18px; height: 18px; color: var(--muted); transition: all .3s var(--ease); }
.cert-list li:hover .cl-ext { color: var(--green-600); transform: translate(2px,-2px); }
.cert-empty { font-size: .92rem; color: var(--muted); font-style: italic; padding: .4rem 0; }

.why-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 1.8rem; }
@media (max-width: 820px) { .why-list { grid-template-columns: 1fr; } }
.why-item { display: flex; flex-direction: column; gap: .8rem; padding: 1.4rem 1.3rem; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-sm); transition: all .3s var(--ease); }
.why-item:hover { transform: translateY(-5px); border-color: var(--emerald); box-shadow: var(--shadow-md); }
.why-item .wi-ic { flex: 0 0 auto; width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--grad-brand); color: #fff; }
.why-item .wi-ic svg { width: 22px; height: 22px; }
.why-item h4 { font-size: 1.06rem; margin-bottom: .2rem; }
.why-item p { font-size: .92rem; color: var(--ink-soft); }

/* ---------- 11. CTA BANNER ---------- */
.cta-banner { position: relative; border-radius: clamp(20px, 4vw, 34px); padding: clamp(2.6rem, 6vw, 4.5rem); overflow: hidden;
  background: linear-gradient(130deg, var(--green-800), var(--green-600) 55%, var(--emerald)); color: #fff; text-align: center; box-shadow: var(--shadow-lg); }
.cta-banner::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 20% 20%, rgba(255,209,102,.3), transparent 40%), radial-gradient(circle at 85% 80%, rgba(111,227,154,.4), transparent 45%); }
.cta-banner > * { position: relative; z-index: 1; }
.cta-banner h2 { font-size: clamp(1.8rem, 4.6vw, 3rem); margin-bottom: 1rem; }
.cta-banner p { color: rgba(255,255,255,.9); max-width: 50ch; margin: 0 auto 2rem; font-size: 1.08rem; }
.cta-banner .hero-actions { justify-content: center; }
.cta-banner .btn-ghost { background: rgba(255,255,255,.14); color: #fff; border-color: rgba(255,255,255,.35); }
.cta-banner .btn-ghost:hover { background: #fff; color: var(--green-700); }

/* ---------- 12. CONTACT ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2rem,5vw,3.5rem); }
.contact-info { display: grid; gap: 1.1rem; align-content: start; }
.contact-line { display: flex; gap: 1rem; align-items: center; padding: 1.1rem 1.3rem; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-sm); transition: all .3s var(--ease); }
.contact-line:hover { border-color: var(--emerald); transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.contact-line .ci { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: var(--cream-2); color: var(--green-600); flex: 0 0 auto; transition: all .3s var(--ease); }
.contact-line:hover .ci { background: var(--grad-brand); color: #fff; }
.contact-line .ci svg { width: 22px; height: 22px; }
.contact-line small { color: var(--muted); display: block; font-size: .76rem; text-transform: uppercase; letter-spacing: .08em; }
.contact-line b { font-size: 1.02rem; color: var(--green-800); font-weight: 600; }

form.contact-form { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.6rem, 4vw, 2.4rem); box-shadow: var(--shadow-sm); }
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-size: .84rem; font-weight: 600; color: var(--green-800); margin-bottom: .4rem; }
.field input, .field textarea, .field select {
  width: 100%; padding: .85rem 1rem; border: 1.5px solid var(--line); border-radius: 12px; font: inherit; color: var(--ink);
  background: var(--cream); transition: all .3s var(--ease); resize: vertical;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--emerald); background: #fff; box-shadow: 0 0 0 4px rgba(47,191,113,.14); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.form-note { font-size: .8rem; color: var(--muted); margin-top: .8rem; }
.form-success { display: none; padding: .9rem 1rem; border-radius: 12px; background: rgba(47,191,113,.12); color: var(--green-700); font-weight: 600; font-size: .92rem; margin-bottom: 1rem; }
.form-success.show { display: block; animation: pop .4s var(--ease); }
@keyframes pop { from { transform: scale(.96); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* ---------- 13. FOOTER ---------- */
.site-footer { background: var(--green-900); color: rgba(255,255,255,.82); padding: clamp(3rem,6vw,4.5rem) 0 2rem; margin-top: 4rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2rem; margin-bottom: 2.6rem; }
.site-footer h5 { font-family: 'Space Grotesk', sans-serif; color: #fff; font-size: .82rem; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 1rem; }
.site-footer a { color: rgba(255,255,255,.72); font-size: .94rem; display: inline-block; padding: .25rem 0; transition: all .3s var(--ease); }
.site-footer a:hover { color: var(--mint); transform: translateX(4px); }
.footer-brand p { font-size: .92rem; max-width: 32ch; margin-top: 1rem; color: rgba(255,255,255,.7); }
.footer-brand .brand-text strong { color: #fff; }
.footer-logo-wrap {
  display: inline-block; padding: .9rem 2rem; border-radius: 16px;
  background: #ffffff;
  border: 1px solid rgba(255,255,255,.6);
  box-shadow: 0 10px 26px rgba(0,0,0,.22), inset 0 1px 0 rgba(255,255,255,.9);
  transition: all .3s var(--ease);
}
.footer-logo-wrap:hover { transform: translateY(-3px); box-shadow: 0 16px 34px rgba(0,0,0,.28), inset 0 1px 0 rgba(255,255,255,.9); }
.footer-logo { display: block; width: 230px; max-width: 100%; height: auto; }
.foot-addr { display: inline-block; margin-top: .5rem; font-size: .9rem; line-height: 1.5; color: rgba(255,255,255,.62); }
.footer-legal {
  border-top: 1px solid rgba(255,255,255,.12); padding-top: 1.4rem; margin-bottom: 1.4rem;
  display: flex; flex-wrap: wrap; gap: .55rem 1.6rem; font-size: .84rem; color: rgba(255,255,255,.65);
}
.footer-legal span { display: inline-flex; gap: .35rem; }
.footer-legal strong { color: rgba(255,255,255,.82); font-weight: 600; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding-top: 1.6rem; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: .84rem; color: rgba(255,255,255,.6); }

/* ---------- 14. REVEAL ON SCROLL ---------- */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .08s; }
.reveal[data-d="2"] { transition-delay: .16s; }
.reveal[data-d="3"] { transition-delay: .24s; }
.reveal[data-d="4"] { transition-delay: .32s; }
.reveal[data-d="5"] { transition-delay: .40s; }

/* ---------- 15. STAGGERED PAGE-LOAD REVEAL ---------- */
.load { opacity: 0; transform: translateY(26px); animation: loadIn .9s var(--ease) forwards; }
.load-1 { animation-delay: .15s; } .load-2 { animation-delay: .30s; }
.load-3 { animation-delay: .45s; } .load-4 { animation-delay: .60s; }
.load-5 { animation-delay: .75s; } .load-6 { animation-delay: .90s; }
.load-7 { animation-delay: 1.05s; }
@keyframes loadIn { to { opacity: 1; transform: none; } }
.hero-visual.load { animation-delay: .35s; animation-duration: 1.1s; }

/* ---------- 16. RESPONSIVE ---------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero p.lead { margin-inline: auto; }
  .hero-actions, .hero-stats { justify-content: center; }
  .hero-visual { order: -1; min-height: 360px; }
  .scroll-cue { display: none; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .card.feature { grid-column: span 1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .nav-toggle { display: block; }
  .site-header.menu-open .nav-links {
    display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(255,255,255,.97); backdrop-filter: blur(14px); padding: 1rem 1.25rem 1.5rem; gap: .2rem;
    box-shadow: var(--shadow-md); border-top: 1px solid var(--line);
  }
  .site-header.menu-open .nav-links a { padding: .8rem 1rem; }
  .sectors-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 420px) {
  .hero-stats { gap: 1.4rem; }
  .chip { display: none; }
}

/* ---------- 17. ACCESSIBILITY: REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .load, .reveal { opacity: 1 !important; transform: none !important; }
  .blob, .clover-ring, .clover-hero, .chip, .marquee-track, .about-visual .ghost-clover { animation: none !important; }
  .btn-pulse { animation: none !important; }
  .btn-pulse::before { display: none; }
  #particles { display: none; }
}

/* focus visibility for keyboard users */
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 6px; }