/* ============================================================
   Greenly — shared design system
   Fonts: Inter (UI/body) + Playfair Display (editorial headlines)
   ============================================================ */

:root{
  --forest-dark:#162d1e;
  --forest:#1b3a29;
  --forest-mid:#2d5a3d;
  --green:#4caf50;
  --green-dark:#2a7a42;
  --green-deep:#1a5c2e;
  --bg:#f7faf8;
  --bg-alt:#eef6f0;
  --ink:#1c2e24;
  --ink-soft:#3a5a44;
  --muted:#4a6354;
  --muted-soft:#7a9a7a;
  --border:#e5ede9;
  --white:#fff;
  --shadow-sm:0 4px 20px rgba(0,0,0,.06);
  --shadow-md:0 12px 40px rgba(0,0,0,.10);
  --radius:16px;
  --radius-sm:10px;
  --font-body:'Inter','Segoe UI',sans-serif;
  --font-display:'Playfair Display',serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:var(--font-body);background:var(--bg);color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{line-height:1.25;margin:0;}
p{margin:0;}
main{display:block;}

/* ===================== NAV ===================== */
.site-nav{
  background:#fff;border-bottom:1px solid var(--border);
  padding:0 48px;display:flex;align-items:center;justify-content:space-between;
  height:80px;position:sticky;top:0;z-index:1000;
}
.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;}
.nav-logo img{height:52px;}
.nav-logo .badge{
  background:var(--green);color:#fff;font-size:10px;font-weight:700;letter-spacing:2px;
  padding:4px 10px;border-radius:20px;text-transform:uppercase;white-space:nowrap;
}
.nav-links{display:flex;gap:36px;align-items:center;}
.nav-links a{font-size:1rem;font-weight:600;color:var(--ink-soft);transition:color .2s;}
.nav-links a:hover,.nav-links a.active{color:var(--green);}
.nav-toggle{
  display:none;background:none;border:none;cursor:pointer;padding:8px;width:40px;height:40px;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--forest);border-radius:2px;transition:transform .25s,opacity .25s;}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.active span:nth-child(2){opacity:0;}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

@media (max-width:860px){
  .site-nav{padding:0 20px;}
  .nav-toggle{display:flex;}
  .nav-links{
    position:absolute;top:80px;left:0;right:0;background:#fff;
    flex-direction:column;align-items:flex-start;gap:0;
    max-height:0;overflow:hidden;border-bottom:1px solid var(--border);
    box-shadow:0 12px 24px rgba(0,0,0,.06);transition:max-height .3s ease;
  }
  .nav-links.open{max-height:420px;}
  .nav-links a{width:100%;padding:16px 24px;border-bottom:1px solid var(--border);}
}

/* ===================== BUTTONS ===================== */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--green);color:#fff;font-weight:600;font-size:.98rem;
  padding:14px 32px;border-radius:50px;border:2px solid var(--green);
  transition:background .25s,color .25s,transform .2s;cursor:pointer;
}
.btn:hover{background:var(--green-deep);border-color:var(--green-deep);transform:translateY(-2px);}
.btn-outline{background:transparent;color:var(--forest);border:2px solid var(--forest);}
.btn-outline:hover{background:var(--forest);color:#fff;transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--green-dark);border:2px solid #fff;}
.btn-light:hover{background:transparent;color:#fff;transform:translateY(-2px);}

/* ===================== LAYOUT ===================== */
.container{max-width:1180px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-alt{background:var(--bg-alt);}
.section-title{max-width:720px;margin:0 auto 56px;text-align:center;}
.section-title.left{margin:0 0 44px;text-align:left;}
.eyebrow{
  display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:2px;text-transform:uppercase;
  color:var(--green-dark);background:#e3f5ec;padding:5px 14px;border-radius:20px;margin-bottom:16px;
}
.section-title h2{font-family:var(--font-display);font-size:clamp(1.8rem,3.4vw,2.6rem);font-weight:800;color:var(--forest-dark);margin-bottom:14px;}
.section-title p{font-size:1.05rem;color:var(--muted);line-height:1.75;}

/* ===================== HERO (home) ===================== */
.hero-home{
  position:relative;min-height:600px;display:flex;align-items:center;
  background-size:cover;background-position:center;overflow:hidden;
}
.hero-home::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(11,26,17,.88) 0%,rgba(14,34,22,.72) 45%,rgba(20,45,28,.45) 100%);
}
.hero-home .container{position:relative;z-index:2;}
.hero-home .eyebrow{background:rgba(76,175,80,.22);color:#a8e6ac;}
.hero-home h1{font-family:var(--font-display);font-weight:800;color:#fff;font-size:clamp(2.2rem,5vw,3.6rem);line-height:1.15;max-width:680px;margin-bottom:20px;}
.hero-home p{font-size:1.15rem;color:#d7e8da;max-width:560px;margin-bottom:34px;line-height:1.7;}
.hero-home .hero-actions{display:flex;gap:16px;flex-wrap:wrap;}

/* ===================== HERO (interior page) ===================== */
.hero-page{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--forest-dark) 0%,var(--forest-mid) 100%);
  color:#fff;padding:110px 24px 76px;text-align:center;
}
.hero-page::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(ellipse 640px 320px at 50% 0%,rgba(127,232,148,.16),transparent 70%);
}
.hero-page>*{position:relative;z-index:1;}
.hero-page .eyebrow{background:rgba(76,175,80,.22);color:#8de09a;letter-spacing:2.5px;}
.hero-page h1{
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(2.1rem,4.4vw,3.1rem);line-height:1.15;margin-bottom:18px;
  text-shadow:0 2px 24px rgba(0,0,0,.18);
}
.hero-page h1.as-button{
  display:inline-block;padding:16px 46px;border-radius:16px;
  background:rgba(255,255,255,.06);border:2px solid rgba(127,232,148,.55);
  box-shadow:0 8px 30px rgba(0,0,0,.22);
  transition:background .25s,border-color .25s,transform .25s;
}
.hero-page h1.as-button:hover{background:rgba(255,255,255,.1);border-color:#7fe894;transform:translateY(-2px);}
.hero-page h1.as-button::after{display:none;}
.hero-page h1::after{
  content:"";display:block;width:64px;height:3px;margin:20px auto 0;
  background:linear-gradient(90deg,var(--green),#7fe894);border-radius:3px;
}
.hero-page p{font-size:1.1rem;color:#c3ddc7;max-width:640px;margin:0 auto;line-height:1.75;}

/* ===================== CARDS / GRID ===================== */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;}
.card-grid.cols-2{grid-template-columns:repeat(2,1fr);}
.card-grid.cols-4{grid-template-columns:repeat(4,1fr);}
@media (max-width:960px){.card-grid,.card-grid.cols-4{grid-template-columns:1fr 1fr;}}
@media (max-width:620px){.card-grid,.card-grid.cols-2,.card-grid.cols-4{grid-template-columns:1fr;}}

.card{
  background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;transition:transform .3s ease,box-shadow .3s ease;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);}
.card img{width:100%;height:210px;object-fit:cover;}
.card-body{padding:26px;flex:1;display:flex;flex-direction:column;}
.card h3{font-size:1.15rem;font-weight:700;color:var(--forest-dark);margin-bottom:12px;}
.card p{font-size:.95rem;color:var(--muted);line-height:1.7;flex:1;margin-bottom:18px;}

.read-link{display:inline-flex;align-items:center;gap:6px;font-size:.9rem;font-weight:700;color:var(--green-dark);transition:gap .2s;}
.read-link:hover{gap:10px;color:var(--green-deep);}
.read-link::after{content:"→";}

/* icon tiles (services) */
.icon-tile{
  background:#fff;border-radius:var(--radius);padding:40px 30px;text-align:center;
  box-shadow:var(--shadow-sm);transition:transform .3s ease,box-shadow .3s ease;
}
.icon-tile:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);}
.icon-tile .icon-circle{
  width:76px;height:76px;border-radius:50%;background:var(--bg-alt);
  display:flex;align-items:center;justify-content:center;margin:0 auto 22px;font-size:2rem;
}
.icon-tile img{width:38px;height:38px;object-fit:contain;margin:0 auto;}
.icon-tile h3{font-size:1.08rem;font-weight:700;color:var(--forest-dark);margin-bottom:10px;}
.icon-tile p{font-size:.92rem;color:var(--muted);line-height:1.7;}

/* ===================== TAGS ===================== */
.tag{font-size:.72rem;font-weight:700;letter-spacing:.5px;padding:4px 12px;border-radius:20px;text-transform:uppercase;display:inline-block;}
.tag.climate{background:#e3f5ec;color:#1a5c3a;}
.tag.plastic{background:#e8f0ff;color:#2b4f9c;}
.tag.biodiversity{background:#fff3e0;color:#8a4500;}
.tag.energy{background:#fff9db;color:#8a6d00;}
.tag.water{background:#e0f7fa;color:#00636b;}
.tag.food{background:#f3e8ff;color:#6a2fa0;}
.tag.fashion{background:#ffe8f0;color:#9c2b5c;}
.tag.air{background:#eef1f8;color:#3a4a7a;}
.tag.waste{background:#f5efe0;color:#7a5a1f;}

/* ===================== STAT BOXES ===================== */
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:2rem 0;}
@media (max-width:700px){.stat-row{grid-template-columns:1fr;}}
.stat-box{background:var(--forest-dark);color:#fff;border-radius:12px;padding:26px 20px;text-align:center;}
.stat-box .num{font-size:2rem;font-weight:700;color:#7fe894;line-height:1;margin-bottom:8px;font-family:var(--font-display);}
.stat-box .label{font-size:.8rem;color:rgba(255,255,255,.75);line-height:1.5;}

/* ===================== BLOG LISTING ===================== */
.blog-hero{background:linear-gradient(135deg,var(--forest-dark) 0%,var(--forest-mid) 100%);color:#fff;text-align:center;padding:80px 20px 70px;}
.blog-hero .eyebrow{background:rgba(76,175,80,.25);color:#8de09a;}
.blog-hero h1{font-family:var(--font-display);font-size:clamp(2rem,4.5vw,2.8rem);font-weight:800;margin-bottom:14px;}
.blog-hero p{font-size:1.05rem;color:#b5d5c0;max-width:640px;margin:0 auto;}

.card-meta{display:flex;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap;}
.meta-text{font-size:.78rem;color:var(--muted-soft);}
.meta-sep{color:#c5d9cc;}
.card h2{font-size:1.12rem;font-weight:700;line-height:1.4;margin-bottom:12px;color:#162d1e;}

.insight-box{
  margin-top:60px;background:linear-gradient(135deg,#e8f5ed,#f3fbf5);
  border-left:4px solid var(--green);border-radius:12px;padding:40px 44px;
}
.insight-box h2{font-size:1.5rem;font-weight:700;color:#162d1e;margin-bottom:14px;font-family:var(--font-display);}
.insight-box p{font-size:.97rem;line-height:1.8;color:var(--ink-soft);margin-bottom:14px;}
.insight-box p:last-child{margin-bottom:0;}
.insight-box strong{color:var(--green-dark);}

/* ===================== ARTICLE (blog post) ===================== */
.article-hero{position:relative;height:520px;overflow:hidden;}
.article-hero img{width:100%;height:100%;object-fit:cover;filter:brightness(.45);}
.article-hero .hero-content{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;
  padding:60px 24px;text-align:center;color:#fff;
}
.article-hero .hero-tag{
  display:inline-block;background:var(--green);color:#fff;font-size:.72rem;font-weight:700;
  letter-spacing:1.5px;text-transform:uppercase;padding:5px 14px;border-radius:20px;margin-bottom:20px;
}
.article-hero h1{font-family:var(--font-display);font-size:clamp(1.8rem,4vw,3.2rem);font-weight:800;line-height:1.2;max-width:820px;margin-bottom:20px;}
.hero-meta{font-size:.88rem;color:rgba(255,255,255,.75);display:flex;gap:16px;flex-wrap:wrap;justify-content:center;}
.hero-meta span::before{content:"·";margin-right:16px;}
.hero-meta span:first-child::before{content:"";margin-right:0;}

.article-wrap{max-width:740px;margin:64px auto 80px;padding:0 24px;}
.article-wrap p{font-size:1.05rem;line-height:1.85;color:#2a3d20;margin-bottom:1.5rem;}
.article-wrap h2{font-family:var(--font-display);font-size:1.6rem;font-weight:700;color:#1b3a24;margin:2.8rem 0 1rem;}
.article-wrap h3{font-size:1.05rem;font-weight:700;color:#2d5a35;margin:1.8rem 0 .6rem;}

.lead{font-size:1.2rem!important;font-weight:500;color:#1b3a24!important;border-left:4px solid var(--green);padding-left:20px;margin-bottom:2rem!important;}

.pullquote{
  background:#f0faf2;border-left:5px solid var(--green);border-radius:0 12px 12px 0;
  padding:28px 32px;margin:2.5rem 0;font-size:1.15rem;font-style:italic;color:#1b3a24;line-height:1.6;
}
.pullquote cite{display:block;font-size:.82rem;font-style:normal;color:#6a8c6a;margin-top:10px;font-weight:600;}

.tip-list{list-style:none;margin:1rem 0 1.5rem;padding:0;}
.tip-list li{padding:10px 14px 10px 42px;position:relative;border-radius:8px;margin-bottom:8px;font-size:.97rem;background:#f7faf8;color:#2a3d20;}
.tip-list li::before{content:"▶";position:absolute;left:14px;color:var(--green);font-size:.65rem;top:13px;}

.sources-box{background:#f7faf8;border-radius:12px;padding:28px 32px;margin-top:3rem;}
.sources-box h4{font-size:.85rem;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--green);margin-bottom:12px;}
.sources-box ol{padding-left:20px;margin:0;}
.sources-box li{font-size:.82rem;color:#5a7a5a;line-height:1.6;margin-bottom:6px;}

.related{border-top:2px solid var(--border);margin-top:60px;padding-top:40px;}
.related h3{font-size:1rem;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--green);margin-bottom:24px;}
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.related-card{display:block;}
.related-card img{width:100%;height:160px;object-fit:cover;border-radius:10px;margin-bottom:12px;}
.related-card .rtag{font-size:.7rem;font-weight:700;letter-spacing:.5px;text-transform:uppercase;color:var(--green);margin-bottom:6px;}
.related-card h4{font-size:.95rem;font-weight:600;color:#1a2612;line-height:1.4;}
.related-card:hover h4{color:var(--green);}
@media (max-width:600px){.related-grid{grid-template-columns:1fr;}}

.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--green);font-size:.88rem;font-weight:600;margin-bottom:40px;}
.back-link:hover{color:var(--green-deep);}
.back-link::before{content:"←";}

/* ===================== FORMS (contact) ===================== */
.form-card{background:#fff;border-radius:var(--radius);padding:40px;box-shadow:var(--shadow-sm);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
@media (max-width:620px){.form-row{grid-template-columns:1fr;}}
.form-group{margin-bottom:18px;}
.form-group label{display:block;font-size:.85rem;font-weight:600;color:var(--ink-soft);margin-bottom:8px;}
.form-group input,.form-group textarea{
  width:100%;padding:14px 16px;border:1.5px solid var(--border);border-radius:10px;
  font-family:var(--font-body);font-size:.98rem;color:var(--ink);background:var(--bg);transition:border-color .2s;
}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--green);}
.form-success{margin-top:15px;padding:12px 18px;background:#e6f4ea;border:1px solid var(--green);border-radius:8px;color:#256029;font-size:.92rem;}

.contact-info-item{display:flex;gap:14px;margin-bottom:26px;}
.contact-info-item .ic{
  width:44px;height:44px;border-radius:50%;background:var(--bg-alt);color:var(--green-dark);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:1.1rem;
}
.contact-info-item h3{font-size:1rem;font-weight:700;color:var(--forest-dark);margin-bottom:4px;}
.contact-info-item p,.contact-info-item a{font-size:.9rem;color:var(--muted);}

/* ===================== FOOTER ===================== */
.site-footer{background:var(--forest-dark);color:#cfe0d3;}
.footer-top{max-width:1180px;margin:0 auto;padding:64px 24px 40px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
@media (max-width:860px){.footer-top{grid-template-columns:1fr 1fr;}}
@media (max-width:520px){.footer-top{grid-template-columns:1fr;}}
.footer-brand img{height:40px;margin-bottom:16px;}
.footer-brand p{font-size:.9rem;line-height:1.7;color:#9fb8a5;max-width:280px;}
.footer-col h4{font-size:.82rem;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:#7fe894;margin-bottom:18px;}
.footer-col h4:has(.footer-cta){margin-bottom:20px;}
.footer-col .footer-cta{
  display:inline-block;color:#fff!important;background:rgba(76,175,80,.15);
  border:1.5px solid rgba(127,232,148,.5);border-radius:10px;
  padding:9px 18px;font-size:.82rem;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;
  transition:background .2s,border-color .2s;
}
.footer-col .footer-cta:hover{background:rgba(76,175,80,.25);border-color:#7fe894;color:#fff!important;}
.footer-col a,.footer-col span{display:block;font-size:.9rem;color:#b8cdbb;margin-bottom:12px;transition:color .2s;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:20px 24px;text-align:center;
  font-size:.8rem;color:#8fab93;
}
.footer-bottom strong{color:var(--green);}
.footer-bottom strong.credit{color:#e0e0e0;}

/* ===================== BACK TO TOP ===================== */
.back-to-top{
  position:fixed;bottom:28px;right:28px;z-index:998;width:46px;height:46px;border-radius:50%;
  background:var(--forest-dark);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 20px rgba(0,0,0,.2);opacity:0;pointer-events:none;transform:translateY(10px);
  transition:opacity .25s,transform .25s;font-size:1.1rem;
}
.back-to-top.show{opacity:1;pointer-events:auto;transform:translateY(0);}
.back-to-top:hover{background:var(--green);}

/* ===================== PROGRESS BARS ===================== */
.progress-wrap{margin-top:14px;}
.progress-bar{width:100%;height:8px;background:var(--bg-alt);border-radius:10px;overflow:hidden;margin-bottom:8px;}
.progress-fill{height:100%;background:linear-gradient(to right,#7fcf9a,#bde5cc);}
.progress-text{font-size:.82rem;color:var(--ink-soft);font-weight:600;line-height:1.5;}

/* ===================== UTILITIES ===================== */
.text-center{text-align:center;}
.mt-0{margin-top:0;}