/* ==========================================================================
   YallaEat V4 - Shared Design System
   style.css - Production-ready - Mobile-first
   Fonts: Poppins (400-900) + Playfair Display (italic 700)
   Palette: Cream / Green / Gold / Blue
========================================================================== */

/* 01. RESET & ROOT VARIABLES */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --cream:#fff9f2;--cream-d:#fef3e5;--peach:#fdead2;--peach-l:#fbe3d9;
  --gold:#f9ad4d;--gold-d:#d49341;--gold-l:#fabd71;
  --green-d:#0d4f3d;--green:#4b916d;--green-m:#97c693;--green-l:#daf3c0;--green-xl:#effae5;
  --blue:#1a6aff;--blue-d:#094bcc;--blue-l:#597dff;
  --black:#0a0a0a;--gray:#6e6e6e;--gray-l:#b0b0b0;
  --radius:16px;--radius-sm:10px;
  --shadow-sm:0 2px 12px rgba(0,0,0,.05);
  --shadow-md:0 4px 30px rgba(0,0,0,.07);
  --shadow-lg:0 16px 60px rgba(0,0,0,.1);
  --shadow-xl:0 30px 80px rgba(0,0,0,.12);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --ease-smooth:cubic-bezier(.4,0,.2,1);
  --max-width:1100px;--nav-h:72px;
}

/* 02. BASE */
html{scroll-behavior:smooth;overflow-x:hidden;font-size:16px}
body{font-family:Poppins,system-ui,sans-serif;background:var(--cream);color:var(--black);overflow-x:hidden;-webkit-font-smoothing:antialiased;line-height:1.6}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible,.reveal.revealed{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

/* 03. NAV — dark variant (index.html) */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;padding:0 24px;background:transparent;transition:all .4s var(--ease-smooth)}
.nav.scrolled{background:rgba(26,46,26,.96);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 2px 24px rgba(0,0,0,.2)}
.nav__inner{width:min(1200px,92vw);margin-inline:auto;display:flex;align-items:center;justify-content:space-between;gap:2rem}
.nav__logo,.nav-logo{font-weight:800;font-size:1.5rem;letter-spacing:-1px;color:#fff;display:flex;align-items:center;gap:8px}
.nav__logo span,.nav-logo span{color:var(--gold)}
.nav__links,.nav-links{display:flex;align-items:center;gap:28px;list-style:none}
.nav__links a,.nav-links a{color:rgba(255,255,255,.85);font-size:.85rem;font-weight:500;letter-spacing:.3px;transition:color .3s}
.nav__links a:hover,.nav-links a:hover{color:var(--gold-l)}
.nav__cta{background:var(--gold);color:#fff!important;font-weight:700!important;padding:.6rem 1.4rem;border-radius:50px;font-size:.85rem!important;transition:all .3s}
.nav__cta:hover{background:var(--gold-l)!important;transform:translateY(-1px);box-shadow:0 4px 16px rgba(249,173,77,.4)}
.nav__burger,.nav-burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;z-index:1001}
.nav__burger span,.nav-burger span{display:block;width:24px;height:2px;background:#fff;border-radius:2px;transition:all .3s}
.nav__burger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__burger.active span:nth-child(2){opacity:0}
.nav__burger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav__mobile{display:none;position:fixed;inset:var(--nav-h) 0 0 0;background:rgba(26,46,26,.97);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);flex-direction:column;align-items:center;justify-content:center;gap:2.5rem;z-index:999}
.nav__mobile.open{display:flex}
.nav__mobile a{color:#fff;font-size:1.4rem;font-weight:600;transition:color .3s}
.nav__mobile a:hover{color:var(--gold-l)}
.nav__mobile .nav__cta{font-size:1rem!important;padding:.8rem 2rem}

/* 04. NAV — light variant (inner pages) */
.nav--light{background:transparent}
.nav--light.scrolled{background:rgba(255,249,242,.92);backdrop-filter:blur(20px);box-shadow:0 2px 30px rgba(0,0,0,.06)}
.nav--light .nav-logo,.nav--light .nav__logo{color:var(--black)}
.nav--light .nav-logo span,.nav--light .nav__logo span{color:var(--green-d)}
.nav--light .nav-links a,.nav--light .nav__links a{color:var(--black);opacity:.85}
.nav--light .nav-links a:hover,.nav--light .nav__links a:hover,.nav--light .nav-links a.active{color:var(--green-d);opacity:1}
.nav--light .nav-burger span,.nav--light .nav__burger span{background:var(--black)}

/* 05. PAGE HERO */
.page-hero{padding:140px 5% 70px;text-align:center;position:relative;overflow:hidden;background:linear-gradient(165deg,var(--green-d) 0%,#0a3d2e 100%);color:#fff;min-height:50vh;display:flex;align-items:center;justify-content:center}
.page-hero__content{position:relative;z-index:1;max-width:760px;margin:0 auto}
.hero-tag{font-size:.7em;font-weight:700;text-transform:uppercase;letter-spacing:3px;color:var(--gold);margin-bottom:16px;display:inline-block}
.page-hero h1{font-size:clamp(2.4em,5vw,4em);font-weight:900;line-height:1.05;letter-spacing:-2px;margin-bottom:16px}
.page-hero h1 em{font-family:'Playfair Display',serif;font-style:italic;color:var(--gold)}
.page-hero p{color:rgba(255,255,255,.65);font-size:1.05em;max-width:520px;margin:0 auto;line-height:1.7}
.float-decor{position:absolute;font-size:3em;opacity:.12;z-index:0;animation:floaty 12s ease-in-out infinite}
@keyframes floaty{0%{transform:translateY(0) rotate(0deg)}50%{transform:translateY(-28px) rotate(5deg)}100%{transform:translateY(0) rotate(0deg)}}

/* 06. BREADCRUMB */
.breadcrumb{max-width:var(--max-width);margin:0 auto;padding:20px 5% 0;font-size:.78em;color:var(--gray);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.breadcrumb a{color:var(--green-d);font-weight:500;transition:opacity .3s}
.breadcrumb a:hover{opacity:.7}
.breadcrumb-sep{color:var(--gray-l)}

/* 07. SECTION HEADERS */
.section-wrap{padding:80px 5% 0;max-width:1200px;margin:0 auto}
.section-header{text-align:center;max-width:640px;margin:0 auto 56px}
.section-eyebrow{font-size:.7em;font-weight:700;text-transform:uppercase;letter-spacing:3px;color:var(--green);display:block;margin-bottom:12px}
.section-header h2{font-size:clamp(1.8em,4vw,2.8em);font-weight:900;letter-spacing:-1.5px;line-height:1.1}
.section-header p{font-size:.95em;color:var(--gray);max-width:520px;margin:16px auto 0;line-height:1.7}

/* 08. BUTTONS */
.btn-cta{display:inline-flex;align-items:center;gap:.5rem;background:var(--gold);color:var(--black);padding:10px 24px;border-radius:50px;font-weight:600;font-size:.85em;transition:all .3s ease;box-shadow:0 4px 20px rgba(249,173,77,.3)}
.btn-cta:hover{transform:translateY(-2px);background:var(--gold-d)}
.btn-green{display:inline-flex;align-items:center;gap:.5rem;background:var(--green-d);color:#fff;padding:14px 36px;border-radius:50px;font-weight:700;font-size:.95em;transition:all .3s ease;box-shadow:0 6px 24px rgba(13,79,61,.3)}
.btn-green:hover{transform:translateY(-2px);background:var(--green);box-shadow:0 8px 30px rgba(13,79,61,.4)}
.btn-primary{display:inline-block;background:var(--gold);color:var(--black);padding:14px 36px;border-radius:50px;font-weight:700;font-size:.95rem;transition:all .3s;box-shadow:0 6px 24px rgba(249,173,77,.4)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 10px 36px rgba(249,173,77,.55);background:var(--gold-l)}
.btn-order{display:inline-block;background:var(--gold);color:var(--black);padding:16px 40px;border-radius:50px;font-weight:700;font-size:1em;transition:all .3s ease;box-shadow:0 8px 30px rgba(249,173,77,.4)}
.btn-order:hover{transform:translateY(-3px);background:var(--gold-d)}

/* 09. ARTICLE BODY */
.article-body{max-width:720px;margin:0 auto;padding:48px 5% 80px;line-height:1.8}
.article-body h2{font-size:clamp(1.3em,3vw,1.8em);font-weight:800;letter-spacing:-.8px;margin:48px 0 16px;color:var(--green-d)}
.article-body h3{font-size:1.1em;font-weight:700;margin:28px 0 10px;color:var(--black)}
.article-body p{margin:0 0 18px;color:#333;font-size:.95em}
.article-body strong{color:var(--green-d)}
.article-body ul,.article-body ol{margin:0 0 18px 24px;color:#333;font-size:.95em}
.article-body li{margin-bottom:8px}
.article-body a{color:var(--green-d);text-decoration:underline;text-underline-offset:3px;transition:color .3s}
.article-body a:hover{color:var(--green)}

/* 10. FAQ SECTION */
.faq-section{padding:80px 5%;max-width:900px;margin:0 auto}
.faq-header{text-align:center;margin-bottom:48px}
.faq-header h2{font-size:clamp(1.6em,3.5vw,2.4em);font-weight:900;letter-spacing:-1px}
.faq-item{border-bottom:1px solid rgba(0,0,0,.08);overflow:hidden}
.faq-item:first-child{border-top:1px solid rgba(0,0,0,.08)}
.faq-question,.faq-q{width:100%;text-align:left;padding:20px 0;font-size:.95em;font-weight:700;color:var(--black);background:none;display:flex;justify-content:space-between;align-items:center;gap:16px;cursor:pointer;font-family:inherit;border:none}
.faq-icon{font-size:1.2em;color:var(--green-d);transition:transform .3s ease;flex-shrink:0}
.faq-question[aria-expanded="true"] .faq-icon,.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(45deg)}
.faq-answer,.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-answer.open,.faq-a.open{max-height:240px}
.faq-answer p,.faq-a p{padding:0 0 20px;font-size:.87em;color:var(--gray);line-height:1.7;margin:0}
.faq-answer a{color:var(--green-d);text-decoration:underline}

/* 11. BLOG CARDS */
.articles-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.article-card{background:#fff;border-radius:var(--radius);border:1px solid rgba(0,0,0,.05);overflow:hidden;display:flex;flex-direction:column;transition:all .35s var(--ease-out)}
.article-card:hover{transform:translateY(-5px);box-shadow:0 20px 56px rgba(0,0,0,.09);border-color:rgba(13,79,61,.1)}
.article-card__band,.article-card-band{height:5px;background:linear-gradient(90deg,var(--gold-d),var(--gold-l),var(--gold))}
.article-card__body,.article-card-body{padding:28px;display:flex;flex-direction:column;flex:1;gap:12px}
.article-card__tag,.article-cat{display:inline-block;font-size:.65em;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;padding:4px 12px;border-radius:20px;align-self:flex-start}
.cat-guide{background:var(--green-xl);color:var(--green-d)}
.cat-nutrition{background:#e8f4ff;color:#1a5aaa}
.cat-recette{background:var(--cream-d);color:var(--gold-d)}
.cat-coulisses{background:var(--peach);color:#8a5a2b}
.article-card__title,.article-card h2{font-size:1.05em;font-weight:700;letter-spacing:-.3px;line-height:1.35;color:var(--black);transition:color .3s}
.article-card:hover h2,.article-card:hover .article-card__title{color:var(--green-d)}
.article-card__excerpt,.article-excerpt{font-size:.82em;color:var(--gray);line-height:1.7;flex:1}
.article-meta{display:flex;align-items:center;gap:16px;font-size:.7em;color:var(--gray-l);margin-top:4px;flex-wrap:wrap}
.article-meta span{display:flex;align-items:center;gap:5px}
.article-card__link,.article-read-link{display:inline-flex;align-items:center;gap:6px;font-size:.8em;font-weight:600;color:var(--green-d);margin-top:4px;transition:gap .25s ease}
.article-card__link:hover,.article-read-link:hover{gap:10px}
.article-card.featured{grid-column:1/-1;flex-direction:row;align-items:stretch}
.article-card.featured .article-card-band,.article-card.featured .article-card__band{width:5px;height:auto;background:linear-gradient(180deg,var(--gold-d),var(--gold-l),var(--gold))}
.article-card.featured .article-card-body,.article-card.featured .article-card__body{padding:36px}
.article-card.featured h2{font-size:1.25em}
.article-card.featured .article-excerpt,.article-card.featured .article-card__excerpt{font-size:.88em}

/* 12. CTA BANNER */
.cta-banner{background:var(--green-d);border-radius:24px;padding:56px 40px;text-align:center;color:#fff;max-width:var(--max-width);margin:0 auto;position:relative;overflow:hidden}
.cta-banner__inner{position:relative;z-index:1}
.cta-banner h2{font-size:clamp(1.6em,3vw,2.4em);font-weight:800;letter-spacing:-.5px;margin-bottom:10px}
.cta-banner h2 em{font-family:'Playfair Display',serif;font-style:italic;color:var(--gold)}
.cta-banner p{color:rgba(255,255,255,.55);font-size:.9em;margin-bottom:32px}

/* 13. FOOTER — unified 3-column layout */
.site-footer,.footer{padding:3rem 5% 2rem;background:var(--black);border-top:1px solid rgba(255,255,255,.06);color:#fff}
.footer__inner{max-width:var(--max-width);margin:0 auto;display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:2.5rem;margin-bottom:2rem}
.footer__brand{display:flex;flex-direction:column;gap:.8rem}
.footer__logo{font-size:1.4rem;font-weight:800;color:#fff;margin-bottom:.6rem}
.footer__logo span{color:var(--gold)}
.footer__tagline{font-size:.83rem;color:rgba(255,255,255,.6);line-height:1.6}
.footer__col h3{font-size:.78rem;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--gold);margin-bottom:1rem}
.footer__col ul{list-style:none;display:flex;flex-direction:column;gap:.5rem}
.footer__col ul a{font-size:.85rem;color:rgba(255,255,255,.72);transition:color .3s}
.footer__col ul a:hover{color:var(--gold)}
.footer__bottom{border-top:1px solid rgba(255,255,255,.07);padding-top:1.5rem;max-width:var(--max-width);margin:0 auto;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.75rem}
.footer__copy{font-size:.78rem;color:rgba(255,255,255,.3)}
.footer__legal{font-size:.78rem;color:rgba(255,255,255,.3);transition:color .3s}
.footer__legal:hover{color:rgba(255,255,255,.6)}
/* Legacy flat footer compat (blog articles) */
.footer-inner{max-width:var(--max-width);margin:0 auto;display:flex;flex-direction:column;align-items:center;gap:24px;text-align:center}
.footer-logo{font-weight:800;font-size:1.4rem;letter-spacing:-1px;color:#fff;text-decoration:none}
.footer-logo span{color:var(--gold)}
.footer-tagline{font-size:.83rem;color:rgba(255,255,255,.45);line-height:1.6}
.footer-links,.footer-nav{display:flex;flex-wrap:wrap;gap:20px;justify-content:center}
.footer-links a,.footer-nav a{font-size:.82rem;color:rgba(255,255,255,.5);transition:color .3s}
.footer-links a:hover,.footer-nav a:hover{color:#fff}
.footer-copy{font-size:.75rem;color:rgba(255,255,255,.3);width:100%;text-align:center}

/* 14. CONTENT GRID */
.content-section{padding:64px 5%;max-width:1200px;margin:0 auto}
.content-section--alt{background:var(--cream-d);max-width:100%;padding:64px 5%}
.content-section--alt>div{max-width:1200px;margin:0 auto}
.content-section h2{font-size:clamp(1.5em,3.5vw,2.2em);font-weight:900;letter-spacing:-1px;margin-bottom:16px;color:var(--green-d)}
.content-section h2 em{font-family:'Playfair Display',serif;font-style:italic;color:var(--gold)}
.content-section p{font-size:.95em;color:#333;line-height:1.8;margin-bottom:16px}
.content-section ul{margin:0 0 18px 24px;font-size:.95em;color:#333;line-height:1.8}
.content-section li{margin-bottom:8px}
.content-section a:not(.btn-cta):not(.btn-green):not(.feature-card){color:var(--green-d);text-decoration:underline;text-underline-offset:3px}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:40px}
.feature-card{background:#fff;border-radius:var(--radius);padding:32px 28px;box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s;border:1px solid rgba(0,0,0,.06)}
.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(13,79,61,.12)}
.feature-card__icon{font-size:2.5rem;margin-bottom:16px;display:block}
.feature-card h3{font-size:1.05rem;font-weight:700;color:var(--green-d);margin:0 0 10px}
.feature-card p{font-size:.9rem;color:var(--gray);line-height:1.65;margin:0 0 8px}

/* 15. BACK TO TOP */
.back-top,.back-to-top{position:fixed;bottom:28px;right:28px;width:44px;height:44px;border-radius:50%;background:var(--green-d);color:#fff;font-size:1.1em;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:all .3s ease;z-index:500;box-shadow:0 4px 16px rgba(13,79,61,.3);border:none;cursor:pointer}
.back-top.visible,.back-to-top.visible{opacity:1;pointer-events:all}
.back-top:hover,.back-to-top:hover{transform:translateY(-3px);background:var(--green)}

/* 16. RESPONSIVE */
@media(max-width:900px){
  .nav__links,.nav-links{display:none}
  .nav__burger,.nav-burger{display:flex}
  .nav--light .nav-links.open{position:fixed;inset:0;background:var(--cream);flex-direction:column;justify-content:center;gap:32px;display:flex;opacity:1;pointer-events:all;z-index:999}
  .nav--light .nav-links.open a{font-size:1.4em;color:var(--black)}
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .footer__inner{grid-template-columns:1fr 1fr 1fr;gap:2rem}
  .footer__brand{grid-column:1/-1}
  .footer__bottom{flex-direction:column;text-align:center}
}
@media(max-width:600px){
  .articles-grid{grid-template-columns:1fr}
  .article-card.featured{flex-direction:column}
  .article-card.featured .article-card-band,.article-card.featured .article-card__band{width:auto;height:5px}
  .features-grid{grid-template-columns:1fr}
  .footer__inner{grid-template-columns:1fr!important;gap:1.5rem;text-align:center}
  .footer__brand{text-align:center}
  .footer__col{text-align:center}
  .footer__col ul{align-items:center}
  .footer__bottom{flex-direction:column;text-align:center}
  .page-hero{padding:120px 5% 60px;min-height:40vh}
  .page-hero h1{letter-spacing:-1px}
  .cta-banner{padding:40px 24px;border-radius:20px}
}