/* ============================================================
   GAVA GROUP — styles.css
   ============================================================ */

/* --- Variables --- */
:root {
  --black:   #0a0a0a;
  --blue:    #2563EB;
  --blue-dk: #1d4ed8;
  --blue-lt: #dbeafe;
  --white:   #ffffff;
  --g50:     #f9fafb;
  --g100:    #f3f4f6;
  --g200:    #e5e7eb;
  --g400:    #9ca3af;
  --g600:    #4b5563;
  --g800:    #1f2937;
  --wa:      #25D366;
  --r:       12px;
  --r-lg:    20px;
  --sh:      0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -1px rgba(0,0,0,.06);
  --sh-lg:   0 10px 25px -3px rgba(0,0,0,.15),0 4px 6px -2px rgba(0,0,0,.08);
  --ease:    all .3s cubic-bezier(.4,0,.2,1);
  --hh:      72px;
}

/* --- Reset --- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,sans-serif;color:var(--g800);background:var(--white);line-height:1.6;overflow-x:hidden}
img{display:block;max-width:100%;height:auto;object-fit:cover}
a{text-decoration:none;color:inherit}
ul{list-style:none}
button{cursor:pointer;border:none;background:none;font-family:inherit}

/* --- Container --- */
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 1rem}
@media(min-width:640px){.container{padding:0 1.5rem}}
@media(min-width:1024px){.container{padding:0 2rem}}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.625rem 1.25rem;border-radius:var(--r);font-weight:600;font-size:.9rem;transition:var(--ease);white-space:nowrap;border:2px solid transparent}
.btn--primary{background:var(--blue);color:var(--white);border-color:var(--blue)}
.btn--primary:hover{background:var(--blue-dk);border-color:var(--blue-dk);transform:translateY(-2px);box-shadow:0 6px 16px rgba(37,99,235,.4)}
.btn--outline{background:transparent;color:var(--blue);border-color:var(--blue)}
.btn--outline:hover{background:var(--blue);color:var(--white);transform:translateY(-2px)}
.btn--wa{display:flex;align-items:center;justify-content:center;gap:.5rem;width:100%;background:var(--wa);color:var(--white);border-radius:var(--r);padding:.75rem 1rem;font-weight:600;font-size:.875rem;transition:var(--ease);border:none}
.btn--wa:hover{background:#1ebe5d;transform:translateY(-2px);box-shadow:0 6px 16px rgba(37,211,102,.4)}
.btn--lg{padding:.875rem 2rem;font-size:1rem}
.btn--sm{padding:.375rem .875rem;font-size:.8rem}

/* ============================================================
   TOP BAR
   ============================================================ */
.top-bar{background:var(--black);color:rgba(255,255,255,.85);text-align:center;padding:.6rem 1rem;font-size:.8rem}
.top-bar a{color:var(--blue-lt);text-decoration:underline}

/* ============================================================
   HEADER
   ============================================================ */
.header{position:sticky;top:0;z-index:100;background:var(--white);border-bottom:1px solid var(--g200);transition:var(--ease)}
.header.scrolled{box-shadow:var(--sh-lg)}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:var(--hh);gap:1rem}

.logo{display:flex;align-items:center;gap:.625rem;font-size:1.1rem;font-weight:700;color:var(--black);flex-shrink:0}
.logo strong{color:var(--blue)}
.logo--white{color:var(--white)}
.logo--white strong{color:var(--blue-lt)}

.nav{display:none;gap:1.75rem;align-items:center}
.nav a{font-size:.9rem;font-weight:500;color:var(--g600);transition:var(--ease);position:relative}
.nav a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--blue);border-radius:2px;transition:width .3s}
.nav a:hover{color:var(--blue)}
.nav a:hover::after{width:100%}

.header__actions{display:flex;align-items:center;gap:.75rem}

.hamburger{display:flex;flex-direction:column;gap:5px;padding:.5rem}
.hamburger span{display:block;width:22px;height:2px;background:var(--black);border-radius:2px;transition:var(--ease)}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.nav.open{display:flex;flex-direction:column;position:absolute;top:var(--hh);left:0;right:0;background:var(--white);border-bottom:1px solid var(--g200);padding:1.5rem;box-shadow:var(--sh-lg);z-index:99;gap:1.25rem}

@media(min-width:768px){
  .nav{display:flex}
  .hamburger{display:none}
}

/* ============================================================
   SECTION HEADER
   ============================================================ */
.section-header{text-align:center;margin-bottom:3rem}
.section-tag{display:inline-block;background:var(--blue-lt);color:var(--blue);font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:.3rem .875rem;border-radius:100px;margin-bottom:.875rem}
.section-header h2{font-size:clamp(1.75rem,4vw,2.75rem);font-weight:800;color:var(--black);margin-bottom:.75rem;line-height:1.2}
.section-header p{color:var(--g600);font-size:1rem;max-width:480px;margin:0 auto}

/* ============================================================
   HERO
   ============================================================ */
.hero{background:linear-gradient(135deg,var(--black) 0%,#0f172a 55%,#1e1b4b 100%);color:var(--white);padding:5rem 0 4rem;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 70% 50%,rgba(37,99,235,.22) 0%,transparent 70%);pointer-events:none}

.hero__inner{display:grid;grid-template-columns:1fr;gap:3rem;align-items:center;position:relative;z-index:1}
@media(min-width:1024px){.hero__inner{grid-template-columns:1fr 1fr}.hero{padding:7rem 0 5rem}}

.badge{display:inline-flex;align-items:center;gap:.375rem;background:rgba(37,99,235,.18);border:1px solid rgba(37,99,235,.4);color:var(--blue-lt);font-size:.78rem;font-weight:600;padding:.375rem .875rem;border-radius:100px;margin-bottom:1.25rem}

.hero__content h1{font-size:clamp(2rem,5.5vw,3.75rem);font-weight:900;line-height:1.1;margin-bottom:1.25rem;letter-spacing:-.02em}
.rotating-word{color:var(--blue-lt);display:inline-block;transition:opacity .3s,transform .3s}
.hero__content p{color:rgba(255,255,255,.72);font-size:1.05rem;max-width:500px;margin-bottom:2rem}
.hero__ctas{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:2.5rem}
.hero__stats{display:flex;gap:2rem;flex-wrap:wrap}
.stat span{display:block;font-size:1.5rem;font-weight:800;color:var(--white)}
.stat p{font-size:.78rem;color:rgba(255,255,255,.55);margin:0}

/* Collage */
.hero__collage{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:.75rem;max-width:460px;margin:0 auto}
@media(min-width:1024px){.hero__collage{max-width:100%}}

.collage__main{grid-column:1;grid-row:1/3;border-radius:var(--r-lg);overflow:hidden;height:300px}
.collage__main img{width:100%;height:100%}
@media(min-width:1024px){.collage__main{height:420px}}

.collage__secondary{grid-column:2;display:flex;flex-direction:column;gap:.75rem}
.collage__secondary img{border-radius:var(--r);height:138px;width:100%}
@media(min-width:1024px){.collage__secondary img{height:196px}}

.collage__badge{position:absolute;background:var(--white);border-radius:var(--r);padding:.5rem .875rem;display:flex;align-items:center;gap:.375rem;box-shadow:var(--sh-lg);font-size:.78rem;font-weight:600;color:var(--black);animation:float 4s ease-in-out infinite;z-index:2}
.collage__badge--1{bottom:1.25rem;left:-1rem}
.collage__badge--2{top:.875rem;right:-.875rem;flex-direction:column;align-items:flex-start;gap:.1rem;animation-delay:2s}
.collage__badge--2 strong{font-size:1.1rem;color:var(--blue)}

@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* ============================================================
   BRANDS BAR
   ============================================================ */
.brands{padding:2rem 0;background:var(--g50);border-top:1px solid var(--g200);border-bottom:1px solid var(--g200);overflow:hidden}
.brands__label{text-align:center;font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--g400);margin-bottom:1.25rem}
.brands__overflow{overflow:hidden}
.brands__track{display:flex;align-items:center;gap:3rem;width:max-content;animation:marquee 22s linear infinite}
.brand-logo{opacity:.45;transition:opacity .3s;flex-shrink:0}
.brand-logo:hover{opacity:1}
@keyframes marquee{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* ============================================================
   PRODUCTS
   ============================================================ */
.products{padding:5rem 0;background:var(--white)}
.products__grid{display:grid;grid-template-columns:1fr;gap:1.5rem}
@media(min-width:580px){.products__grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.products__grid{grid-template-columns:repeat(3,1fr)}}

.product-card{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--g200);transition:var(--ease);background:var(--white)}
.product-card:hover{transform:translateY(-6px);box-shadow:var(--sh-lg);border-color:var(--blue-lt)}
.product-card__img{position:relative;height:215px;overflow:hidden}
.product-card__img img{width:100%;height:100%;transition:transform .5s ease}
.product-card:hover .product-card__img img{transform:scale(1.06)}
.product-card__tag{position:absolute;top:.75rem;left:.75rem;background:var(--blue);color:var(--white);font-size:.68rem;font-weight:700;padding:.25rem .625rem;border-radius:100px;text-transform:uppercase;letter-spacing:.05em}
.product-card__tag--hot{background:#ef4444}
.product-card__body{padding:1.25rem}
.product-card__cat{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--blue)}
.product-card__body h3{font-size:.97rem;font-weight:700;margin:.3rem 0;color:var(--black)}
.product-card__body p{font-size:.84rem;color:var(--g600);margin-bottom:.875rem;line-height:1.5}
.product-card__price{display:flex;align-items:baseline;gap:.5rem;margin-bottom:1rem}
.price-now{font-size:1.2rem;font-weight:800;color:var(--black)}
.price-old{font-size:.85rem;color:var(--g400);text-decoration:line-through}

/* ============================================================
   BEST SELLERS
   ============================================================ */
.bestsellers{padding:5rem 0;background:var(--g50)}
.bs-grid{display:grid;grid-template-columns:1fr;gap:1.25rem}
@media(min-width:580px){.bs-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.bs-grid{grid-template-columns:repeat(4,1fr)}}

.bs-card{background:var(--white);border-radius:var(--r-lg);overflow:hidden;position:relative;border:1px solid var(--g200);transition:var(--ease)}
.bs-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg)}
.bs-card img{width:100%;height:190px}
.bs-card__rank{position:absolute;top:.75rem;left:.75rem;background:rgba(0,0,0,.7);color:var(--white);font-size:.78rem;font-weight:800;padding:.25rem .625rem;border-radius:var(--r);backdrop-filter:blur(4px)}
.bs-card__info{padding:1rem}
.bs-card__info h3{font-size:.95rem;font-weight:700;color:var(--black);margin-bottom:.3rem}
.bs-card__info p{font-size:.8rem;color:var(--g600);margin-bottom:.875rem}
.bs-card__foot{display:flex;align-items:center;justify-content:space-between;gap:.5rem}
.bestsellers__cta{text-align:center;margin-top:2.5rem}

/* ============================================================
   CATEGORIES
   ============================================================ */
.categories{padding:5rem 0;background:var(--white)}
.cat-grid{display:grid;grid-template-columns:1fr;gap:1.5rem}
@media(min-width:768px){.cat-grid{grid-template-columns:repeat(3,1fr)}}

.cat-card{border-radius:var(--r-lg);overflow:hidden;position:relative;height:320px;transition:var(--ease)}
.cat-card:hover{transform:scale(1.02);box-shadow:var(--sh-lg)}
.cat-card img{width:100%;height:100%;transition:transform .5s ease}
.cat-card:hover img{transform:scale(1.08)}
.cat-card__overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.85) 0%,rgba(0,0,0,.25) 60%,transparent 100%);display:flex;flex-direction:column;justify-content:flex-end;padding:1.75rem;color:var(--white)}
.cat-card__icon{width:50px;height:50px;background:var(--cat-clr,var(--blue));border-radius:var(--r);display:flex;align-items:center;justify-content:center;margin-bottom:.875rem}
.cat-card__overlay h3{font-size:1.4rem;font-weight:800;margin-bottom:.25rem}
.cat-card__overlay p{font-size:.84rem;color:rgba(255,255,255,.72);margin-bottom:.875rem}
.cat-card__btn{display:inline-block;background:rgba(255,255,255,.14);backdrop-filter:blur(4px);border:1px solid rgba(255,255,255,.28);color:var(--white);font-size:.84rem;font-weight:600;padding:.375rem .875rem;border-radius:100px;transition:var(--ease)}
.cat-card:hover .cat-card__btn{background:var(--white);color:var(--black)}

/* ============================================================
   BENEFITS
   ============================================================ */
.benefits{padding:5rem 0;background:var(--g50)}

.benefit-block{display:grid;grid-template-columns:1fr;gap:2.5rem;align-items:center;margin-bottom:5rem}
.benefit-block:last-child{margin-bottom:0}
@media(min-width:1024px){
  .benefit-block{grid-template-columns:1fr 1fr;gap:4rem}
  .benefit-block--rev .benefit-block__text{order:-1}
}

.benefit-block__img{border-radius:var(--r-lg);overflow:hidden;height:340px}
.benefit-block__img img{width:100%;height:100%}

.benefit-tag{display:inline-block;background:var(--blue-lt);color:var(--blue);font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:.25rem .75rem;border-radius:100px;margin-bottom:.875rem}
.benefit-block__text h3{font-size:clamp(1.4rem,2.5vw,2rem);font-weight:800;color:var(--black);margin-bottom:1rem;line-height:1.25}
.benefit-block__text p{color:var(--g600);margin-bottom:1.5rem}
.benefit-list{display:flex;flex-direction:column;gap:.625rem;margin-bottom:1.75rem}
.benefit-list li{display:flex;align-items:center;gap:.625rem;font-size:.95rem;font-weight:500}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials{padding:5rem 0;background:var(--black);color:var(--white)}
.testimonials .section-tag{background:rgba(37,99,235,.25);color:var(--blue-lt)}
.testimonials .section-header h2{color:var(--white)}
.testimonials .section-header p{color:rgba(255,255,255,.55)}

.testi-wrapper{display:flex;align-items:center;gap:1rem}
.testi-track{flex:1;overflow:hidden;border-radius:var(--r-lg)}

.testi-card{display:none;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:var(--r-lg);padding:2rem 2.5rem;animation:fadein .4s ease}
.testi-card.active{display:block}

.testi-stars{color:#f59e0b;font-size:1.2rem;letter-spacing:.08em;margin-bottom:1rem}
.testi-card p{font-size:1rem;line-height:1.8;color:rgba(255,255,255,.82);margin-bottom:1.5rem;font-style:italic}
.testi-author{display:flex;align-items:center;gap:1rem}
.testi-author img{width:52px;height:52px;border-radius:50%;border:2px solid var(--blue);flex-shrink:0}
.testi-author strong{display:block;font-size:.95rem;font-weight:700;color:var(--white)}
.testi-author span{font-size:.8rem;color:rgba(255,255,255,.5)}

.testi-btn{display:flex;align-items:center;justify-content:center;width:44px;height:44px;min-width:44px;border-radius:50%;background:rgba(255,255,255,.09);color:var(--white);border:1px solid rgba(255,255,255,.18);transition:var(--ease)}
.testi-btn:hover{background:var(--blue);border-color:var(--blue)}

.testi-dots{display:flex;justify-content:center;gap:.5rem;margin-top:1.5rem}
.dot{width:8px;height:8px;border-radius:4px;background:rgba(255,255,255,.28);transition:var(--ease);cursor:pointer}
.dot.active{background:var(--blue);width:24px}

@keyframes fadein{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{background:#0a0a0a;color:rgba(255,255,255,.65);padding-top:4rem}
.footer__top{display:grid;grid-template-columns:1fr;gap:2.5rem;padding-bottom:3rem;border-bottom:1px solid rgba(255,255,255,.09)}
@media(min-width:640px){.footer__top{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer__top{grid-template-columns:2fr 1fr 1fr 2fr}}

.footer__brand p{font-size:.875rem;line-height:1.7;margin-top:1rem;max-width:270px}
.footer__social{display:flex;gap:.75rem;margin-top:1.25rem}
.footer__social a{width:38px;height:38px;border-radius:var(--r);background:rgba(255,255,255,.07);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.65);transition:var(--ease)}
.footer__social a:hover{background:var(--blue);color:var(--white)}

.footer__col h4{font-size:.875rem;font-weight:700;color:var(--white);margin-bottom:1.25rem}
.footer__col ul{display:flex;flex-direction:column;gap:.75rem}
.footer__col li{display:flex;align-items:center;gap:.5rem;font-size:.875rem}
.footer__col a{color:rgba(255,255,255,.55);transition:var(--ease)}
.footer__col a:hover{color:var(--white)}

.footer__newsletter h4{font-size:.875rem;font-weight:700;color:var(--white);margin-bottom:.5rem}
.footer__newsletter p{font-size:.875rem;margin-bottom:1rem}
.nl-form{display:flex;gap:.5rem;flex-wrap:wrap}
.nl-form input{flex:1;min-width:0;padding:.625rem 1rem;border-radius:var(--r);border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.07);color:var(--white);font-size:.875rem;outline:none;transition:var(--ease)}
.nl-form input::placeholder{color:rgba(255,255,255,.32)}
.nl-form input:focus{border-color:var(--blue)}

.footer__bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.5rem;padding:1.5rem 0;font-size:.78rem;color:rgba(255,255,255,.35)}

/* ============================================================
   WA FLOAT BUTTON
   ============================================================ */
.wa-float{position:fixed;bottom:1.75rem;right:1.75rem;z-index:200;width:56px;height:56px;border-radius:50%;background:var(--wa);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 18px rgba(37,211,102,.5);transition:var(--ease);animation:pulse-wa 3s ease-in-out infinite}
.wa-float:hover{transform:scale(1.12);animation:none;box-shadow:0 8px 28px rgba(37,211,102,.65)}
@keyframes pulse-wa{0%,100%{box-shadow:0 4px 18px rgba(37,211,102,.5)}50%{box-shadow:0 4px 28px rgba(37,211,102,.75),0 0 0 8px rgba(37,211,102,.12)}}

/* ============================================================
   FADE-IN ON SCROLL
   ============================================================ */
.fade-in{opacity:0;transform:translateY(24px);transition:opacity .65s ease,transform .65s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* ============================================================
   MOBILE TWEAKS (380px)
   ============================================================ */
@media(max-width:420px){
  .hero__ctas{flex-direction:column}
  .hero__ctas .btn{justify-content:center;text-align:center}
  .hero__stats{gap:1.25rem}
  .collage__badge--1{left:0}
  .collage__badge--2{right:0}
  .testi-card{padding:1.25rem}
  .footer__bottom{flex-direction:column;text-align:center}
}