/* =========================================================
   NUTERRA NUTS — Design System
   Palette: deep green / cream / natural brown / gold accent
   Display: Fraunces (warm editorial serif)
   Body:    Inter
   Signature motif: "provenance stamp" — a circular customs/
   certificate-style seal used sparingly to mark origin & trust
   ========================================================= */

:root{
  --green-950:#12211A;
  --green-900:#1F3B2C;
  --green-800:#284A37;
  --green-700:#33604A;
  --cream:#F5EFE6;
  --cream-soft:#FBF8F2;
  --brown:#8B5E3C;
  --gold:#C9A45C;
  --gold-soft:#E3CB98;
  --white:#FFFFFF;
  --ink:#211D17;
  --ink-soft:#5B554B;
  --line:#E4DACB;

  --font-display:"Fraunces", Georgia, serif;
  --font-body:"Inter", -apple-system, BlinkMacSystemFont, sans-serif;

  --container:1180px;
  --radius:4px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:600;
  color:var(--green-900);
  line-height:1.15;
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}
p{margin:0 0 1em;color:var(--ink-soft);}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
section{padding:96px 0;}
@media(max-width:768px){ section{padding:64px 0;} }

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brown);font-weight:600;margin-bottom:16px;
}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--gold);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:15px 30px;border-radius:var(--radius);
  font-family:var(--font-body);font-weight:600;font-size:14.5px;
  letter-spacing:.01em;border:1px solid transparent;cursor:pointer;
  transition:all .25s var(--ease);
}
.btn-primary{background:var(--green-900);color:var(--white);}
.btn-primary:hover{background:var(--green-800);transform:translateY(-1px);}
.btn-outline{background:transparent;color:var(--green-900);border-color:var(--green-900);}
.btn-outline:hover{background:var(--green-900);color:var(--white);}
.btn-gold{background:var(--gold);color:var(--green-950);}
.btn-gold:hover{background:var(--gold-soft);}
.btn-light{background:var(--white);color:var(--green-900);}
.btn-light:hover{background:var(--cream);}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.site-header.scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 4px 24px rgba(18,33,26,.05);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:84px;
}
.logo{
  font-family:var(--font-display);font-size:22px;font-weight:600;
  color:var(--green-900);letter-spacing:.01em;
  display:flex;align-items:baseline;gap:6px;
}
.logo span{color:var(--gold);font-size:22px;}
.logo-img{height:58px;width:auto;display:block;}
.main-nav{display:flex;align-items:center;gap:36px;}
.main-nav a{
  font-size:14.5px;font-weight:500;color:var(--ink);
  position:relative;padding:6px 0;
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1px;
  background:var(--gold);transition:width .25s var(--ease);
}
.main-nav a:hover::after,.main-nav a.active::after{width:100%;}
.main-nav a.active{color:var(--green-900);}
.header-right{display:flex;align-items:center;gap:22px;}
.lang-select{
  display:flex;align-items:center;gap:2px;font-size:12.5px;font-weight:600;color:var(--ink-soft);
  border:1px solid var(--line);border-radius:30px;padding:4px;background:var(--cream-soft);
}
.lang-select a{
  cursor:pointer;padding:5px 12px;color:var(--ink-soft);border-radius:20px;
  transition:all .2s var(--ease);
}
.lang-select a:not(:last-child)::after{content:none;}
.lang-select a.active{color:var(--white);background:var(--green-900);}
.lang-select a:hover:not(.active){color:var(--green-900);}

/* Top utility bar — carries the language selector above the main header on desktop */
.utility-bar{
  background:var(--green-950);color:rgba(255,255,255,.7);
  font-size:12px;letter-spacing:.03em;
}
.utility-bar .container{
  display:flex;justify-content:flex-end;align-items:center;height:34px;gap:16px;
}
.utility-bar .lang-select{
  background:transparent;border-color:rgba(255,255,255,.2);
}
.utility-bar .lang-select a{color:rgba(255,255,255,.65);}
.utility-bar .lang-select a.active{background:var(--gold);color:var(--green-950);}
.utility-bar .lang-select a:hover:not(.active){color:var(--white);}
@media(max-width:920px){.utility-bar{display:none;}}

.mobile-nav-langs{
  display:flex;gap:8px;padding:16px 24px;border-bottom:1px solid var(--line);
}
.mobile-nav-langs a{
  flex:1;text-align:center;padding:9px 0;border:1px solid var(--line);border-radius:6px;
  font-size:13px;font-weight:600;color:var(--ink-soft);
}
.mobile-nav-langs a.active{background:var(--green-900);color:var(--white);border-color:var(--green-900);}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:8px;}
.burger span{width:22px;height:2px;background:var(--green-900);}
.mobile-nav{display:none;flex-direction:column;background:var(--white);border-top:1px solid var(--line);}
.mobile-nav a{padding:16px 24px;border-bottom:1px solid var(--line);font-size:15px;}
.mobile-nav .btn{margin:16px 24px;}
.mobile-nav.open{display:flex;}

@media(max-width:920px){
  .main-nav,.header-right .btn{display:none;}
  .burger{display:flex;}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;background:var(--green-950);color:var(--white);
  overflow:hidden;padding:150px 0 120px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(201,164,92,.16), transparent 55%),
    radial-gradient(ellipse at 10% 90%, rgba(51,96,74,.5), transparent 60%);
}
.hero-grain{
  position:absolute;inset:0;opacity:.5;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.35'/></svg>");
}
.hero-inner{position:relative;z-index:2;max-width:760px;}
.hero h1{
  color:var(--white);font-size:clamp(38px,6vw,64px);margin-bottom:.35em;
  font-weight:600;
}
.hero h1 em{font-style:italic;color:var(--gold-soft);}
.hero p.lead{color:rgba(255,255,255,.78);font-size:18px;max-width:540px;margin-bottom:36px;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:40px;}
.hero-trust{
  display:flex;gap:10px;align-items:center;font-size:12.5px;
  letter-spacing:.08em;text-transform:uppercase;color:var(--gold-soft);
  font-weight:600;
}
.hero-trust .dot{width:3px;height:3px;border-radius:50%;background:var(--gold-soft);}

.page-hero{
  background:var(--green-950);color:var(--white);padding:120px 0 80px;position:relative;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse at 85% 0%, rgba(201,164,92,.18), transparent 55%);
}
.page-hero .container{position:relative;z-index:2;}
.page-hero .eyebrow{color:var(--gold-soft);}
.page-hero .eyebrow::before{background:var(--gold-soft);}
.page-hero h1{color:var(--white);font-size:clamp(32px,4.5vw,48px);max-width:680px;}
.page-hero p{color:rgba(255,255,255,.75);max-width:560px;font-size:17px;}

/* ---------- Placeholder photography block ---------- */
.photo{
  position:relative;border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(135deg,var(--green-800),var(--brown) 140%);
  aspect-ratio:4/3;
}
.photo::before{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.3'/></svg>");
}
.photo img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1;
  transition:transform .6s var(--ease);
}
.card:hover .photo img{transform:scale(1.06);}
.photo{overflow:hidden;}
.photo .ph-label{
  position:absolute;left:16px;bottom:16px;z-index:2;
  background:rgba(18,33,26,.72);color:var(--gold-soft);
  font-size:11px;letter-spacing:.06em;text-transform:uppercase;
  padding:8px 12px;border-radius:2px;font-weight:600;
}
.photo.square{aspect-ratio:1/1;}
.photo.wide{aspect-ratio:16/9;}
.photo.tall{aspect-ratio:3/4;}

/* ---------- Provenance stamp (signature element) ---------- */
.stamp{
  width:88px;height:88px;border-radius:50%;
  border:1.5px solid var(--gold);
  display:flex;align-items:center;justify-content:center;
  position:relative;flex-shrink:0;
}
.stamp::before{
  content:"";position:absolute;inset:6px;border-radius:50%;
  border:1px dashed var(--gold-soft);
}
.stamp span{
  font-family:var(--font-display);font-size:11px;font-weight:600;
  color:var(--gold);text-transform:uppercase;letter-spacing:.06em;
  text-align:center;line-height:1.3;
}

/* ---------- Sections ---------- */
.section-head{max-width:640px;margin-bottom:56px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:clamp(28px,3.4vw,40px);}
.section-alt{background:var(--cream-soft);}
.section-dark{background:var(--green-950);color:var(--white);}
.section-dark h2,.section-dark h3{color:var(--white);}
.section-dark p{color:rgba(255,255,255,.72);}

/* Product cards */
.grid{display:grid;gap:28px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
@media(max-width:920px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}}
@media(max-width:620px){.grid-3,.grid-4,.grid-2{grid-template-columns:1fr;}}

.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .3s var(--ease), box-shadow .3s var(--ease);
  display:block;
}
.card:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(18,33,26,.09);}
.card-body{padding:24px;}
.card-body h3{font-size:19px;margin-bottom:8px;}
.card-body p{font-size:14.5px;margin-bottom:16px;}
.card-link{
  font-size:13.5px;font-weight:600;color:var(--green-900);
  display:inline-flex;align-items:center;gap:6px;
}
.card-link::after{content:"→";transition:transform .2s var(--ease);}
.card-link:hover::after{transform:translateX(3px);}

/* Benefits */
.benefit{display:flex;gap:20px;}
.benefit .num{
  font-family:var(--font-display);font-size:15px;color:var(--gold);
  font-weight:600;flex-shrink:0;
}
.benefit h3{font-size:18px;margin-bottom:6px;}
.benefit p{font-size:14.5px;}

/* Timeline (Global Sourcing — a real ordered process, numbering justified) */
.timeline{position:relative;padding-left:4px;}
.tl-step{
  display:grid;grid-template-columns:56px 1fr;gap:24px;
  padding-bottom:48px;position:relative;
}
.tl-step:last-child{padding-bottom:0;}
.tl-step::before{
  content:"";position:absolute;left:27px;top:56px;bottom:0;width:1px;
  background:repeating-linear-gradient(to bottom,var(--gold) 0 4px,transparent 4px 9px);
}
.tl-step:last-child::before{display:none;}
.tl-node{
  width:56px;height:56px;border-radius:50%;background:var(--green-900);
  color:var(--gold-soft);display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-weight:600;font-size:18px;z-index:2;
}
.tl-content h3{font-size:19px;margin-bottom:6px;}
.tl-content p{font-size:14.5px;margin:0;}

/* Quality checklist */
.qgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.qcell{background:var(--white);padding:32px 28px;}
.qcell h3{font-size:17px;margin-bottom:8px;}
.qcell p{font-size:14px;margin:0;}
@media(max-width:768px){.qgrid{grid-template-columns:1fr;}}

.doc-list{display:flex;flex-wrap:wrap;gap:12px;}
.doc-chip{
  border:1px solid var(--line);border-radius:30px;padding:10px 18px;
  font-size:13.5px;font-weight:500;color:var(--ink-soft);
  display:flex;align-items:center;gap:8px;
}
.doc-chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);}

.disclaimer{
  font-size:13px;color:var(--ink-soft);border-left:2px solid var(--gold);
  padding-left:16px;margin-top:32px;font-style:italic;
}

/* Forms */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:20px;}
.field.full{grid-column:1/-1;}
.field label{font-size:13px;font-weight:600;color:var(--green-900);letter-spacing:.02em;}
.field input,.field select,.field textarea{
  border:1px solid var(--line);border-radius:var(--radius);
  padding:13px 14px;font-family:var(--font-body);font-size:14.5px;
  background:var(--white);color:var(--ink);
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(201,164,92,.15);
}
.field textarea{resize:vertical;min-height:110px;}
@media(max-width:620px){.form-grid{grid-template-columns:1fr;}}

.form-success{
  display:none;background:var(--green-950);color:var(--white);
  padding:40px;border-radius:var(--radius);text-align:center;
}
.form-success.show{display:block;}
.form-success h3{color:var(--gold-soft);}

/* Contact */
.contact-item{display:flex;gap:16px;align-items:flex-start;padding:20px 0;border-bottom:1px solid var(--line);}
.contact-item:last-child{border-bottom:none;}
.contact-item .label{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--brown);font-weight:600;margin-bottom:4px;}
.contact-item .value{font-size:16px;color:var(--green-900);font-weight:500;}
.placeholder-tag{
  background:var(--cream);color:var(--brown);font-size:10.5px;font-weight:700;
  padding:2px 7px;border-radius:3px;letter-spacing:.04em;margin-left:8px;vertical-align:middle;
}

/* CTA band */
.cta-band{
  background:var(--green-900);color:var(--white);padding:72px 0;text-align:center;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse at 50% 0%,rgba(201,164,92,.2),transparent 60%);
}
.cta-band .container{position:relative;z-index:2;}
.cta-band h2{color:var(--white);}
.cta-band p{color:rgba(255,255,255,.75);max-width:520px;margin:0 auto 32px;}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}

/* Footer */
.site-footer{background:var(--green-950);color:rgba(255,255,255,.65);padding:72px 0 28px;}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;margin-bottom:56px;}
.footer-brand .logo{color:var(--white);margin-bottom:14px;}
.footer-brand p{font-size:14px;max-width:280px;}
.footer-col h4{
  color:var(--gold-soft);font-size:12px;letter-spacing:.1em;text-transform:uppercase;
  margin-bottom:18px;font-family:var(--font-body);font-weight:700;
}
.footer-col a{display:flex;align-items:center;gap:9px;font-size:14px;padding:6px 0;color:rgba(255,255,255,.65);}
.footer-col a svg{flex-shrink:0;opacity:.85;}
.footer-col a:hover{color:var(--gold-soft);}
.footer-social{display:flex;gap:12px;margin-top:8px;}
.footer-social a{
  width:36px;height:36px;border:1px solid rgba(255,255,255,.2);border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:12px;padding:0;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:24px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:12.5px;color:rgba(255,255,255,.45);
}
@media(max-width:768px){.footer-top{grid-template-columns:1fr 1fr;}}
@media(max-width:480px){.footer-top{grid-template-columns:1fr;}}

/* Reveal on scroll */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease);}
.reveal.in{opacity:1;transform:none;}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
}

/* ---------- RTL (Persian) ---------- */
html[dir="rtl"] body{font-family:"Vazirmatn",var(--font-body);}
html[dir="rtl"] h1,html[dir="rtl"] h2,html[dir="rtl"] h3,html[dir="rtl"] h4{font-family:"Vazirmatn",var(--font-display);font-weight:700;}
html[dir="rtl"] .eyebrow::before{content:none;}
html[dir="rtl"] .eyebrow::after{content:"";width:24px;height:1px;background:var(--gold);margin-inline-start:10px;order:2;}
html[dir="rtl"] .card-link::after{content:"←";}
html[dir="rtl"] .disclaimer{border-left:none;border-right:2px solid var(--gold);padding-left:0;padding-right:16px;}
html[dir="rtl"] .contact-item,html[dir="rtl"] .benefit,html[dir="rtl"] .tl-step,html[dir="rtl"] .doc-chip{direction:rtl;}
html[dir="rtl"] .lang-select{direction:ltr;}

/* Article / blog */
.article-body{max-width:720px;margin:0 auto;font-size:17px;line-height:1.75;}
.article-body h2{font-size:28px;margin-top:1.6em;}
.article-body h3{font-size:21px;margin-top:1.3em;}
.article-body p{color:var(--ink);margin-bottom:1.1em;}
.article-body ul,.article-body ol{color:var(--ink);margin:0 0 1.2em;padding-inline-start:22px;}
.article-body li{margin-bottom:.5em;}
.article-body .photo{margin:32px 0;}
.article-meta{
  display:flex;gap:16px;align-items:center;color:rgba(255,255,255,.65);
  font-size:13px;letter-spacing:.03em;margin-top:18px;
}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:rgba(255,255,255,.5);}
.blog-card .photo{aspect-ratio:16/10;}
.blog-tag{
  display:inline-block;background:var(--cream);color:var(--brown);
  font-size:11px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  padding:4px 10px;border-radius:20px;margin-bottom:10px;
}

/* Hero media slot — structural placeholder ready for a future image / GIF / video.
   Currently falls back to the existing textured gradient background (hero-grain).
   To swap in real media later: add <img> or <video> inside .hero-media and it will
   cover the hero automatically (object-fit: cover), with .hero::before / .hero-grain
   still providing the dark overlay so text stays legible. */
.hero-media{
  position:absolute;inset:0;z-index:0;overflow:hidden;
}
.hero-media img,.hero-media video{
  width:100%;height:100%;object-fit:cover;display:block;
}
.hero-grain{z-index:1;}
.hero-scrim{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg, rgba(18,33,26,.78) 0%, rgba(18,33,26,.55) 45%, rgba(18,33,26,.82) 100%);
}
.hero-eyebrow-brand{
  font-family:var(--font-body);font-size:13px;font-weight:700;letter-spacing:.22em;
  text-transform:uppercase;color:var(--gold-soft);margin-bottom:14px;
}
.hero-subline{
  font-size:15px;letter-spacing:.04em;text-transform:uppercase;font-weight:600;
  color:rgba(255,255,255,.65);margin-bottom:22px;
}

/* Sourcing flow strip — Supplier -> Quality Control -> Logistics -> Global Buyer */
.flow-strip{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;
  margin-bottom:56px;
}
.flow-node{
  display:flex;flex-direction:column;align-items:center;gap:10px;flex:1;min-width:120px;text-align:center;
}
.flow-node .dot-icon{
  width:52px;height:52px;border-radius:50%;background:var(--green-900);color:var(--gold-soft);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:600;font-size:15px;
}
.flow-node span{font-size:12.5px;font-weight:600;color:var(--green-900);letter-spacing:.02em;}
.flow-arrow{color:var(--gold);font-size:20px;flex-shrink:0;}
@media(max-width:768px){.flow-arrow{transform:rotate(90deg);}}

/* 8-field product spec grid */
.spec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin:28px 0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
.spec-grid .spec-cell{padding:16px 18px;background:var(--white);border-right:1px solid var(--line);border-bottom:1px solid var(--line);}
.spec-grid .spec-cell:nth-child(4n){border-right:none;}
.spec-grid .spec-cell:nth-last-child(-n+4){border-bottom:none;}
@media(max-width:768px){
  .spec-grid{grid-template-columns:repeat(2,1fr);}
  .spec-grid .spec-cell{border-right:1px solid var(--line);border-bottom:1px solid var(--line);}
  .spec-grid .spec-cell:nth-child(2n){border-right:none;}
  .spec-grid .spec-cell:nth-last-child(-n+2){border-bottom:none;}
}

/* Utility */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
@media(max-width:860px){.two-col{grid-template-columns:1fr;gap:36px;}}
.mt-0{margin-top:0;}