/* ===== RESET & BASE ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --clr-primary:   #1a56db;
  --clr-primary-d: #1443b0;
  --clr-primary-l: #e8effc;
  --clr-accent:    #0ea5e9;
  --clr-accent-l:  #e0f4fd;
  --clr-dark:      #0f172a;
  --clr-text:      #334155;
  --clr-muted:     #64748b;
  --clr-border:    #e2e8f0;
  --clr-bg:        #ffffff;
  --clr-bg-alt:    #f8fafc;
  --clr-success:   #10b981;
  --clr-warning:   #f59e0b;
  --clr-danger:    #ef4444;
  --radius:        10px;
  --radius-lg:     16px;
  --shadow-sm:     0 1px 3px rgba(0,0,0,.06);
  --shadow:        0 4px 14px rgba(0,0,0,.08);
  --shadow-lg:     0 12px 36px rgba(0,0,0,.1);
  --transition:    .25s cubic-bezier(.4,0,.2,1);
  --font:          'Inter',system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --max-w:         1180px;
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font);color:var(--clr-text);line-height:1.6;background:var(--clr-bg);-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}
h1,h2,h3,h4{color:var(--clr-dark);line-height:1.2;font-weight:700}
h1{font-size:clamp(2rem,5vw,3.25rem)}
h2{font-size:clamp(1.6rem,3.5vw,2.25rem)}
h3{font-size:1.2rem}
p{max-width:62ch}

/* ===== UTILITY ===== */
.container{width:100%;max-width:var(--max-w);margin:0 auto;padding:0 1.25rem}
.section{padding:5rem 0}
.section--alt{background:var(--clr-bg-alt)}
.text-center{text-align:center}
.badge{display:inline-block;font-size:.75rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;padding:.3em .85em;border-radius:6px;background:transparent;color:var(--clr-primary);border:1.5px solid var(--clr-primary)}
.badge--accent{background:transparent;color:#0284c7;border-color:#0284c7}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font);font-weight:600;font-size:.95rem;padding:.7rem 1.6rem;border-radius:var(--radius);border:none;cursor:pointer;transition:var(--transition);white-space:nowrap}
.btn--primary{background:var(--clr-primary);color:#fff}
.btn--primary:hover{background:var(--clr-primary-d);box-shadow:0 4px 18px rgba(26,86,219,.35)}
.btn--outline{background:transparent;color:var(--clr-primary);border:1.5px solid var(--clr-primary)}
.btn--outline:hover{background:var(--clr-primary);color:#fff}
.hero .btn--outline{color:#fff;border-color:rgba(255,255,255,.5)}
.hero .btn--outline:hover{background:rgba(255,255,255,.15);border-color:#fff}
.btn--white{background:#fff;color:var(--clr-primary)}
.btn--white:hover{background:var(--clr-primary-l)}
.btn--ghost{background:transparent;color:var(--clr-primary)}
.btn--ghost:hover{background:var(--clr-primary-l)}
.btn svg{width:18px;height:18px}

/* ===== NAV ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--clr-border);transition:background .35s ease,border-color .35s ease,box-shadow .35s ease}
.nav.scrolled{box-shadow:var(--shadow-sm)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.nav__logo{display:flex;align-items:center;gap:.55rem;font-size:1.25rem;font-weight:800;color:var(--clr-dark);transition:color var(--transition)}
.nav__logo-img{width:34px;height:34px;object-fit:contain}
.nav__cta{margin-left:.75rem}
.nav__back{display:inline-flex;align-items:center;gap:.4rem;margin-left:1rem;margin-right:auto;font-size:.9rem;font-weight:600;padding:.45rem .7rem;border-radius:var(--radius);color:var(--clr-text);white-space:nowrap;transition:var(--transition)}
.nav__back svg{width:18px;height:18px}
.nav__back:hover{color:var(--clr-primary);background:var(--clr-primary-l)}
.nav--transparent .nav__back{color:rgba(255,255,255,.85)}
.nav--transparent .nav__back:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav--transparent.scrolled .nav__back{color:var(--clr-text)}
.nav--transparent.scrolled .nav__back:hover{color:var(--clr-primary);background:var(--clr-primary-l)}

/* Nav transparent state — over dark hero the bar shows the hero straight through
   so it blends seamlessly at the top, with no tint and no divider line. */
.nav--transparent{background:transparent;backdrop-filter:none;border-bottom-color:transparent}
.nav--transparent .nav__logo{color:#fff}
.nav--transparent .lang-btn{color:rgba(255,255,255,.85);border-color:rgba(255,255,255,.25)}
.nav--transparent .lang-btn:hover{border-color:#fff;color:#fff}
.nav--transparent .nav__cta{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);color:#fff}
.nav--transparent .nav__cta:hover{background:rgba(255,255,255,.22)}
/* When scrolled, revert to solid white */
.nav--transparent.scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom-color:var(--clr-border)}
.nav--transparent.scrolled .nav__logo{color:var(--clr-dark)}
.nav--transparent.scrolled .lang-btn{color:var(--clr-text);border-color:var(--clr-border)}
.nav--transparent.scrolled .nav__cta{background:var(--clr-primary);border-color:var(--clr-primary);color:#fff}
/* About page: header paints the SAME viewport-fixed background as .about-hero,
   so it's opaque (content can't show through) yet lines up seamlessly with the
   hero at the top — no divider. On scroll the .scrolled rules above flip it white. */
.nav--hero{background:radial-gradient(125% 120% at 78% 4%,#19295680 0%,transparent 55%),linear-gradient(160deg,#0c1428 0%,#0a1020 55%,#070b16 100%);background-attachment:fixed;backdrop-filter:none;border-bottom-color:transparent}

/* ===== HERO ===== */
.hero{padding:11rem 0 6.5rem;position:relative;overflow:hidden;background:#0a0f1e url('') center/cover no-repeat;min-height:85vh;display:flex;align-items:center}
.hero--bg{background-image:url('../images/sb_langing_bg.png?v=2');background-position:center 40%}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,15,30,.72) 0%,rgba(10,15,30,.55) 50%,rgba(10,15,30,.8) 100%);z-index:1}
.hero::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(26,86,219,.18) 0%,transparent 50%,rgba(14,165,233,.12) 100%);z-index:1;pointer-events:none}
.hero__inner{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;text-align:center;gap:1.5rem}
.hero h1{max-width:780px;color:#fff;text-shadow:0 2px 24px rgba(0,0,0,.4)}
.hero h1 span{color:#5eafff;text-shadow:0 0 30px rgba(94,175,255,.3)}
.hero p{max-width:580px;font-size:1.1rem;color:rgba(255,255,255,.8)}
.hero__actions{display:flex;gap:.75rem;flex-wrap:wrap;justify-content:center;margin-top:.5rem}
.hero .badge{background:rgba(255,255,255,.12);color:#fff;backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.15)}

/* ===== PRODUCT HERO (subpages) ===== */
.product-hero{padding:8rem 0 4rem;text-align:center;position:relative;overflow:hidden}
.product-hero--safety{background:linear-gradient(165deg,#ecfdf5 0%,#d1fae5 40%,#fff 100%)}
.product-hero--partner{background:linear-gradient(165deg,#eff6ff 0%,#dbeafe 40%,#fff 100%)}
.product-hero--eam{background:linear-gradient(165deg,#fef3c7 0%,#fde68a33 40%,#fff 100%)}
.product-hero .badge{margin-bottom:.75rem}
.product-hero h1{margin-bottom:1rem}
.product-hero p{margin:0 auto;font-size:1.1rem;color:var(--clr-muted);max-width:580px}
.product-hero__actions{display:flex;gap:.75rem;justify-content:center;margin-top:1.75rem}

/* ===== ECOSYSTEM CARDS ===== */
.eco{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:3rem}
.eco__card{background:#fff;border:1px solid var(--clr-border);border-radius:20px;padding:0;display:flex;flex-direction:column;transition:var(--transition);position:relative;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.04)}
.eco__card:hover{transform:translateY(-5px);box-shadow:0 16px 40px rgba(0,0,0,.12);border-color:transparent}
/* Card image area */
.eco__img{width:100%;height:200px;overflow:hidden;position:relative}
.eco__img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.eco__card:hover .eco__img img{transform:scale(1.06)}
.eco__img::after{content:'';position:absolute;bottom:0;left:0;right:0;height:50%;background:linear-gradient(to top,rgba(0,0,0,.15),transparent);pointer-events:none}
/* Fallback icon (for cards without images yet) */
.eco__icon{width:100%;height:200px;display:grid;place-items:center;flex-shrink:0;background:linear-gradient(135deg,#f0f5ff 0%,#e8effc 100%)}
.eco__icon svg{width:48px;height:48px;opacity:.5}
.eco__icon--safety{background:linear-gradient(135deg,#ecfdf5,#d1fae5);color:#059669}
.eco__icon--partner{background:linear-gradient(135deg,#eff6ff,#dbeafe);color:#2563eb}
.eco__icon--eam{background:linear-gradient(135deg,#fffbeb,#fef3c7);color:#d97706}
.eco__icon--energy{background:linear-gradient(135deg,#f0fdfa,#ccfbf1);color:#0d9488}
/* Card body */
.eco__body{padding:1.5rem 1.5rem 1.25rem;display:flex;flex-direction:column;gap:.6rem;flex:1}
.eco__card h3{font-size:1.15rem;font-weight:700}
.eco__card p{color:var(--clr-muted);font-size:.9rem;line-height:1.55;flex:1}
/* Card button */
.eco__btn{display:flex;align-items:center;justify-content:center;gap:.4rem;margin:0 1.5rem 1.5rem;padding:.7rem 1rem;border-radius:var(--radius);font-weight:600;font-size:.9rem;color:var(--clr-dark);background:var(--clr-bg-alt);border:1px solid var(--clr-border);transition:var(--transition)}
.eco__card:hover .eco__btn{background:var(--clr-primary);color:#fff;border-color:var(--clr-primary)}
.eco__btn svg{width:16px;height:16px}
/* Legacy inline link (unused now but kept for safety) */
.eco__link{display:inline-flex;align-items:center;gap:.35rem;font-weight:600;font-size:.9rem;color:var(--clr-primary);transition:var(--transition)}
.eco__link:hover{gap:.6rem}
.eco__link svg{width:16px;height:16px}

/* ===== ABOUT ===== */
.about__grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center;margin-top:2.5rem}
.about__text{display:flex;flex-direction:column;gap:1.25rem}
.about__text p{color:var(--clr-muted)}
.about__stats{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}
.stat{background:#fff;border:1px solid var(--clr-border);border-radius:var(--radius);padding:1.5rem;text-align:center}
.stat__number{font-size:2rem;font-weight:800;color:var(--clr-primary);line-height:1}
.stat__label{font-size:.85rem;color:var(--clr-muted);margin-top:.35rem}
.about__visual{display:flex;align-items:center;justify-content:center}
.about__img{width:100%;max-width:480px;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);object-fit:cover}

/* ===== FEATURES GRID ===== */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:3rem}
.feature{background:#fff;border:1px solid var(--clr-border);border-radius:var(--radius-lg);padding:1.75rem;transition:var(--transition)}
.feature:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.feature__icon{width:44px;height:44px;border-radius:10px;display:grid;place-items:center;margin-bottom:1rem}
.feature__icon svg{width:22px;height:22px}
.feature__icon--green{background:#d1fae5;color:#059669}
.feature__icon--blue{background:#dbeafe;color:#2563eb}
.feature__icon--amber{background:#fef3c7;color:#d97706}
.feature__icon--purple{background:#ede9fe;color:#7c3aed}
.feature__icon--rose{background:#ffe4e6;color:#e11d48}
.feature__icon--teal{background:#ccfbf1;color:#0d9488}
.feature h3{margin-bottom:.5rem}
.feature p{color:var(--clr-muted);font-size:.9rem}

/* ===== BENEFITS ===== */
.benefits__grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-top:3rem}
.benefit{display:flex;gap:1rem;align-items:flex-start;background:#fff;border:1px solid var(--clr-border);border-radius:var(--radius);padding:1.5rem;transition:var(--transition)}
.benefit:hover{box-shadow:var(--shadow-sm)}
.benefit__icon{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;flex-shrink:0;background:var(--clr-primary-l);color:var(--clr-primary)}
.benefit__icon svg{width:20px;height:20px}
.benefit h4{margin-bottom:.25rem;font-size:1rem}
.benefit p{color:var(--clr-muted);font-size:.88rem}

/* ===== CTA ===== */
.cta{background:var(--clr-primary);color:#fff;text-align:center;padding:4.5rem 0;position:relative;overflow:hidden}
.cta::before{content:'';position:absolute;top:-60px;right:-60px;width:300px;height:300px;background:rgba(255,255,255,.05);border-radius:50%}
.cta h2{color:#fff;margin-bottom:.75rem}
.cta p{color:rgba(255,255,255,.8);margin:0 auto .5rem;max-width:520px}
.cta__actions{display:flex;gap:.75rem;justify-content:center;margin-top:1.75rem;flex-wrap:wrap}

/* ===== FOOTER ===== */
.footer{background:var(--clr-dark);color:#94a3b8;padding:3.5rem 0 1.5rem}
.footer__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;text-align:center}
.footer__brand .nav__logo{justify-content:center;transform:translateX(-1.34rem)}
.footer__brand p{font-size:.88rem;margin:.75rem auto 0;max-width:280px;line-height:1.7}
.footer h4{color:#fff;font-size:.85rem;text-transform:uppercase;letter-spacing:.06em;margin-bottom:1rem}
.footer ul li a{display:block;font-size:.88rem;padding:.25rem 0;transition:var(--transition)}
.footer ul li a:hover{color:#fff}
.footer__bottom{border-top:1px solid #1e293b;margin-top:2.5rem;padding-top:1.25rem;display:flex;align-items:center;justify-content:center;gap:1.5rem;text-align:center;font-size:.82rem}

/* ===== LANGUAGE SELECTOR ===== */
.lang-selector{position:relative;margin-left:auto}
.lang-btn{display:flex;align-items:center;gap:.4rem;background:none;border:1px solid var(--clr-border);border-radius:var(--radius);padding:.35rem .65rem;cursor:pointer;font-family:var(--font);font-size:.82rem;font-weight:500;color:var(--clr-text);transition:var(--transition)}
.lang-btn:hover{border-color:var(--clr-primary);color:var(--clr-primary)}
.lang-btn svg{width:16px;height:16px;flex-shrink:0}
.lang-btn__code{text-transform:uppercase;font-weight:700;font-size:.75rem}
.lang-dropdown{position:absolute;top:calc(100% + 6px);right:0;background:#fff;border:1px solid var(--clr-border);border-radius:var(--radius);box-shadow:var(--shadow-lg);width:200px;max-height:320px;overflow-y:auto;z-index:200;opacity:0;visibility:hidden;transform:translateY(-6px);transition:var(--transition)}
.lang-dropdown.open{opacity:1;visibility:visible;transform:none}
.lang-dropdown button{display:flex;align-items:center;gap:.6rem;width:100%;background:none;border:none;padding:.55rem .85rem;font-family:var(--font);font-size:.85rem;color:var(--clr-text);cursor:pointer;transition:var(--transition);text-align:left}
.lang-dropdown button:hover{background:var(--clr-primary-l);color:var(--clr-primary)}
.lang-dropdown button.active{background:var(--clr-primary-l);color:var(--clr-primary);font-weight:600}
.lang-dropdown button .flag{width:20px;height:14px;border-radius:2px;object-fit:cover;flex-shrink:0;background:var(--clr-border);display:inline-flex;align-items:center;justify-content:center;font-size:.6rem;font-weight:700;text-transform:uppercase;color:var(--clr-muted)}
.lang-dropdown::-webkit-scrollbar{width:4px}
.lang-dropdown::-webkit-scrollbar-thumb{background:var(--clr-border);border-radius:4px}

/* ===== ABOUT PAGE ===== */
/* Hero — dark industrial: blueprint grid, accent glow, bracketed portrait */
.about-hero{position:relative;overflow:hidden;padding:11rem 0 6rem;background:radial-gradient(125% 120% at 78% 4%,#19295680 0%,transparent 55%),linear-gradient(160deg,#0c1428 0%,#0a1020 55%,#070b16 100%);background-attachment:fixed;color:#fff}
/* faint blueprint grid, fading toward edges */
.about-hero__grid{position:absolute;inset:0;background-image:linear-gradient(rgba(120,160,230,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(120,160,230,.07) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:radial-gradient(circle at 72% 36%,#000 0%,transparent 72%);mask-image:radial-gradient(circle at 72% 36%,#000 0%,transparent 72%);pointer-events:none}
/* atmospheric accent glow behind the portrait */
.about-hero__glow{position:absolute;top:5%;right:-4%;width:min(560px,55vw);height:560px;background:radial-gradient(circle,rgba(14,165,233,.22) 0%,rgba(26,86,219,.12) 35%,transparent 68%);pointer-events:none}
.about-hero__inner{position:relative;z-index:1;display:grid;grid-template-columns:1.25fr .75fr;gap:3rem;align-items:center}

/* Text column */
.about-hero__text h1{color:#fff;max-width:20ch;letter-spacing:-.02em;text-shadow:0 2px 40px rgba(0,0,0,.45)}
.about-hero__rule{display:block;width:74px;height:4px;border-radius:99px;background:linear-gradient(90deg,#5eafff,#0ea5e9);margin:1rem 0 1rem;box-shadow:0 0 20px rgba(94,175,255,.55)}
.about-hero__text p{color:rgba(214,224,242,.82);font-size:1.08rem;line-height:1.7;max-width:52ch}

/* Portrait column — grayscale photo, glass frame, accent corner brackets */
.about-hero__media{display:flex;justify-content:flex-end}
.about-hero__figure{position:relative;display:flex;flex-direction:column;width:100%;max-width:330px}
.about-hero__photo-wrap{position:relative;width:100%}
.about-hero__photo-wrap::before,.about-hero__photo-wrap::after{content:'';position:absolute;width:46px;height:46px;z-index:2;pointer-events:none}
.about-hero__photo-wrap::before{top:-11px;left:-11px;border-top:2px solid var(--clr-accent);border-left:2px solid var(--clr-accent);border-top-left-radius:8px}
.about-hero__photo-wrap::after{bottom:-11px;right:-11px;border-bottom:2px solid var(--clr-accent);border-right:2px solid var(--clr-accent);border-bottom-right-radius:8px}
.about-hero__frame{display:block;position:relative;width:100%;border-radius:16px;overflow:hidden;box-shadow:0 32px 70px rgba(0,0,0,.6);outline:1px solid rgba(255,255,255,.1);outline-offset:-1px}
.about-hero__frame img{display:block;width:100%;aspect-ratio:3/4;object-fit:cover;filter:grayscale(100%) contrast(1.05)}
.about-hero__frame::after{content:'';position:absolute;inset:0;background:linear-gradient(120deg,rgba(26,86,219,.28) 0%,transparent 55%),linear-gradient(180deg,transparent 50%,rgba(7,11,22,.6) 100%);pointer-events:none}

/* Orchestrated load reveal */
@keyframes ah-rise{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
.about-hero__text h1,.about-hero__rule,.about-hero__text p,.about-hero__figure{opacity:0;animation:ah-rise .7s cubic-bezier(.4,0,.2,1) forwards}
.about-hero__text h1{animation-delay:.06s}
.about-hero__rule{animation-delay:.24s}
.about-hero__text p{animation-delay:.32s}
.about-hero__figure{animation-delay:.18s;animation-duration:.85s}
@media(prefers-reduced-motion:reduce){
  .about-hero__text h1,.about-hero__rule,.about-hero__text p,.about-hero__figure{animation:none;opacity:1}
}

/* Prose blocks */
.about-prose{display:flex;flex-direction:column;gap:1.25rem;max-width:72ch;margin:0 auto}
.about-prose--wide{max-width:var(--max-w)}
.about-sign{display:block;margin-top:1.5rem;text-align:left;font-weight:400;font-size:1.02rem;color:var(--clr-dark);letter-spacing:.01em}
.about-prose p{max-width:none;color:var(--clr-text);font-size:1.05rem;line-height:1.75}
.about-prose strong{color:var(--clr-dark);font-weight:700}
.about-prose--center{text-align:center;margin-top:2rem}
.about-prose--center p{color:var(--clr-muted)}

/* Headline stat band */
.stat-band{margin:2.5rem auto 0;max-width:760px}
.stat-band__lead{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--clr-primary),#2563eb);color:#fff;border-radius:var(--radius-lg);padding:2.25rem 2rem;display:flex;align-items:center;gap:1.75rem;box-shadow:0 16px 40px rgba(26,86,219,.28)}
.stat-band__lead::before{content:'';position:absolute;top:-40px;right:-40px;width:200px;height:200px;background:rgba(255,255,255,.08);border-radius:50%}
.stat-band__num{font-size:clamp(2.6rem,7vw,4rem);font-weight:800;line-height:1;flex-shrink:0;letter-spacing:-.02em}
.stat-band__cap{font-size:1.02rem;line-height:1.5;color:rgba(255,255,255,.92);max-width:34ch;position:relative}

/* Stat cards */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem;margin-top:1.5rem}
.stat-card{background:#fff;border:1px solid var(--clr-border);border-radius:var(--radius-lg);padding:1.6rem 1.4rem;transition:var(--transition)}
.stat-card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:transparent}
.stat-card__num{font-size:2.1rem;font-weight:800;color:var(--clr-primary);line-height:1;letter-spacing:-.02em}
.stat-card__num small{font-size:.9rem;font-weight:600;color:var(--clr-accent);margin-left:.2rem}
.stat-card__label{font-weight:700;color:var(--clr-dark);margin:.75rem 0 .4rem;font-size:.98rem}
.stat-card__desc{font-size:.86rem;color:var(--clr-muted);line-height:1.55;max-width:none}

/* Lean 8 wastes (DOWNTIME) — interactive tabs */
.waste{max-width:860px;margin:1.75rem auto 0}
.waste__tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:.6rem}
.waste__tab{display:flex;align-items:center;gap:.55rem;text-align:left;padding:.7rem .8rem;background:#fff;border:1px solid var(--clr-border);border-radius:var(--radius);cursor:pointer;font-family:var(--font);transition:var(--transition)}
.waste__tab:hover{border-color:var(--clr-primary);box-shadow:var(--shadow-sm)}
.waste__tab.active{border-color:var(--clr-primary);background:var(--clr-primary-l);box-shadow:0 4px 14px rgba(26,86,219,.16)}
.waste__letter{display:grid;place-items:center;width:26px;height:26px;flex-shrink:0;border-radius:7px;background:var(--clr-primary-l);color:var(--clr-primary);font-weight:800;font-size:.85rem;line-height:1}
.waste__tab.active .waste__letter{background:var(--clr-primary);color:#fff}
.waste__name{font-weight:600;font-size:.82rem;color:var(--clr-dark);line-height:1.2}
.waste__panels{margin-top:1.1rem}
.waste__panel{display:none;background:#fff;border:1px solid var(--clr-border);border-radius:var(--radius-lg);padding:2rem 2.1rem;box-shadow:var(--shadow-sm)}
.waste__panel.active{display:block;animation:waste-fade .35s ease}
@keyframes waste-fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.waste__phead{display:flex;align-items:center;gap:1rem;margin-bottom:1rem}
.waste__letter--lg{width:48px;height:48px;border-radius:12px;font-size:1.4rem}
.waste__pname{font-size:1.6rem;font-weight:800;color:var(--clr-dark);line-height:1.15;margin:0}
.waste__pdesc{color:var(--clr-text);font-size:1.02rem;line-height:1.7;margin:0;max-width:none}
.waste__note{text-align:center;font-size:.85rem;color:var(--clr-muted);margin:1.1rem auto 0}

/* What I do differently */
.diff-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-top:3rem}
.diff-card{position:relative;background:#fff;border:1px solid var(--clr-border);border-radius:var(--radius-lg);padding:2rem;transition:var(--transition)}
.diff-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.diff-card .feature__icon{position:absolute;top:-16px;left:-16px;margin-bottom:0;box-shadow:0 6px 16px rgba(0,0,0,.12)}
.diff-card h3{font-size:1.25rem;margin-bottom:.75rem}
.diff-card p{color:var(--clr-muted);font-size:.95rem;line-height:1.7;max-width:none}

/* Principles */
.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem;margin-top:3rem}
.principle{background:#fff;border:1px solid var(--clr-border);border-radius:var(--radius);padding:1.5rem;transition:var(--transition)}
.principle:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:transparent}
.principle__head{display:flex;align-items:center;gap:.6rem;margin-bottom:.5rem}
.principle__letter{display:grid;place-items:center;width:30px;height:30px;flex-shrink:0;border-radius:8px;background:var(--clr-primary-l);color:var(--clr-primary);font-weight:800;font-size:.95rem;line-height:1}
.principle:hover .principle__letter{background:var(--clr-primary);color:#fff}
.principle__tag{font-weight:800;color:var(--clr-dark);font-size:1.1rem}
.principle p{color:var(--clr-muted);font-size:.9rem;line-height:1.55;max-width:none}
.about-closing{max-width:64ch;margin:3rem auto 0;text-align:center;font-size:1.15rem;line-height:1.7;color:var(--clr-text)}

/* ===== ANIMATIONS ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:none}

/* ===== RESPONSIVE ===== */
@media(max-width:960px){
  .eco,.features{grid-template-columns:1fr 1fr}
  .about__grid{grid-template-columns:1fr;gap:2rem}
  .footer__grid{grid-template-columns:1fr 1fr}
  .benefits__grid{grid-template-columns:1fr}
  .about-hero__inner{grid-template-columns:1fr;gap:2.25rem;justify-items:center}
  .about-hero__text{order:1;text-align:center}
  .about-hero__text h1,.about-hero__text p{max-width:none;margin-left:auto;margin-right:auto}
  .about-hero__rule{margin-left:auto;margin-right:auto}
  .about-hero__media{order:0}
  .stat-grid{grid-template-columns:1fr 1fr}
  .diff-grid{grid-template-columns:1fr}
  .principles{grid-template-columns:1fr 1fr}
  .waste__tabs{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:700px){
  .nav__logo{font-size:0;gap:0}
  .nav__back{margin-left:.5rem}
  .eco,.features{grid-template-columns:1fr}
  .hero{padding:7rem 0 3.5rem}
  .section{padding:3.5rem 0}
  .footer__grid{grid-template-columns:1fr}
  .footer__brand .nav__logo{transform:none}
  .footer__bottom{flex-direction:column;gap:.5rem;text-align:center}
  .about-hero{padding:7rem 0 3.5rem}
  .stat-grid,.principles{grid-template-columns:1fr}
  .stat-band__lead{flex-direction:column;text-align:center;gap:.75rem;padding:1.75rem 1.5rem}
  .stat-band__cap{max-width:none}
  .waste__panel{padding:1.5rem 1.4rem}
}