/* ============================================
   SHIV Inter-Comercial – Main Stylesheet
   ============================================ */

/* --- Reset & Base --- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;-webkit-text-size-adjust:100%}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;color:#1a1a2e;line-height:1.7;background:#fff;overflow-x:hidden}
img,svg{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:color .25s}
ul{list-style:none}
button,input,textarea{font-family:inherit;font-size:inherit;border:none;outline:none}
button{cursor:pointer}

/* --- Variables --- */
:root{
  --blue:#0b2545;
  --sky:#4aa3c0;
  --sky-light:#e8f6fb;
  --sky-dark:#2e8ba6;
  --navy:#081d36;
  --white:#ffffff;
  --gray-50:#f8f9fa;
  --gray-100:#f1f3f5;
  --gray-200:#e9ecef;
  --gray-400:#ced4da;
  --gray-600:#6c757d;
  --gray-800:#343a40;
  --radius:12px;
  --radius-lg:20px;
  --shadow-sm:0 2px 8px rgba(11,37,69,.06);
  --shadow-md:0 8px 30px rgba(11,37,69,.1);
  --shadow-lg:0 16px 48px rgba(11,37,69,.14);
  --transition:all .3s cubic-bezier(.4,0,.2,1);
  --container:1200px;
}

/* --- Container --- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* --- Loader --- */
.loader{position:fixed;inset:0;z-index:10000;background:var(--blue);display:flex;align-items:center;justify-content:center;transition:opacity .5s,visibility .5s}
.loader.hidden{opacity:0;visibility:hidden}
.loader-spinner{width:48px;height:48px;border:4px solid rgba(255,255,255,.15);border-top-color:var(--sky);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ============================================
   NAVBAR
   ============================================ */
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;background:transparent;transition:background .4s,padding .35s,box-shadow .4s;padding:14px 0}
.navbar.scrolled{background:rgba(11,37,69,.97);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 2px 24px rgba(0,0,0,.18);padding:8px 0}
.nav-container{display:flex;align-items:center;justify-content:space-between;gap:20px}

/* Logo */
.logo{display:flex;align-items:center;gap:12px;color:#fff;z-index:10;flex-shrink:0}
.logo-img{width:42px;height:42px;border-radius:10px;object-fit:cover;border:2px solid rgba(255,255,255,.15);transition:var(--transition)}
.navbar.scrolled .logo-img{width:36px;height:36px}
.logo-text-group{display:flex;flex-direction:column;line-height:1.2}
.logo-text{font-weight:800;font-size:1.15rem;letter-spacing:.3px}
.logo-highlight{color:var(--sky)}
.logo-sub{font-size:.6rem;font-weight:400;color:rgba(255,255,255,.5);letter-spacing:.8px;text-transform:uppercase}

/* Nav Links */
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{position:relative;color:rgba(255,255,255,.75);font-size:.88rem;font-weight:500;padding:10px 16px;border-radius:8px;transition:color .25s,background .25s;white-space:nowrap}
.nav-links a::after{content:'';position:absolute;bottom:4px;left:50%;width:0;height:2px;background:var(--sky);border-radius:2px;transform:translateX(-50%);transition:width .3s}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after,.nav-links a.active::after{width:55%}
.nav-links a.active{color:#fff}

/* Catalog mobile (hidden on desktop) */
.nav-catalog-mobile{display:none}

/* Nav Actions */
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}

/* Catalog Button */
.nav-catalog-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;background:var(--sky);color:#fff;font-size:.82rem;font-weight:600;border-radius:8px;transition:var(--transition);white-space:nowrap;letter-spacing:.2px}
.nav-catalog-btn:hover{background:var(--sky-dark);transform:translateY(-1px);box-shadow:0 4px 16px rgba(74,163,192,.35)}
.nav-catalog-btn svg{flex-shrink:0}

/* Language Switcher */
.lang-switcher{display:flex;align-items:center;gap:0;background:rgba(255,255,255,.08);border-radius:8px;padding:2px}
.lang-btn{padding:6px 10px;font-size:.75rem;font-weight:600;color:rgba(255,255,255,.5);background:transparent;border-radius:6px;transition:var(--transition);letter-spacing:.5px}
.lang-btn.active{background:rgba(255,255,255,.15);color:#fff}
.lang-btn:hover:not(.active){color:rgba(255,255,255,.85)}
.lang-divider{color:rgba(255,255,255,.15);font-size:.7rem;font-weight:300;user-select:none}

/* Hamburger */
.hamburger{display:none;flex-direction:column;gap:5px;padding:8px;background:none;z-index:10}
.hamburger span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:var(--transition)}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* ============================================
   HERO
   ============================================ */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;background:linear-gradient(135deg,var(--blue) 0%,#0d3060 50%,var(--navy) 100%);overflow:hidden;padding:100px 0 60px}

.hero-bg-shapes{position:absolute;inset:0;pointer-events:none}
.shape{position:absolute;border-radius:50%;opacity:.06;background:var(--sky)}
.shape-1{width:600px;height:600px;top:-200px;right:-150px}
.shape-2{width:400px;height:400px;bottom:-100px;left:-100px}
.shape-3{width:200px;height:200px;top:40%;left:50%;background:#fff;opacity:.03}

.hero-content{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;position:relative;z-index:2}
.hero-badge{display:inline-block;padding:8px 18px;background:rgba(74,163,192,.15);color:var(--sky);font-size:.85rem;font-weight:600;border-radius:50px;margin-bottom:20px;border:1px solid rgba(74,163,192,.2)}
.hero h1{font-size:clamp(2rem,5vw,3.2rem);color:#fff;line-height:1.2;font-weight:800;margin-bottom:20px}
.hero-tagline{color:rgba(255,255,255,.7);font-size:1.1rem;margin-bottom:32px;max-width:520px;line-height:1.8}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}

/* Hero Visual Cards */
.hero-visual{position:relative;display:flex;flex-direction:column;gap:20px;align-items:flex-end}
.hero-card{display:flex;align-items:center;gap:16px;background:rgba(255,255,255,.07);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1);padding:20px 28px;border-radius:16px;color:#fff;font-weight:500;font-size:.95rem;transition:var(--transition)}
.hero-card:hover{background:rgba(255,255,255,.12);transform:translateY(-4px)}
.hero-card-1{align-self:flex-start}
.hero-card-3{align-self:center}

@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.animate-float{animation:float 4s ease-in-out infinite}

.hero-scroll-indicator{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);animation:bounce 2s infinite}
@keyframes bounce{0%,20%,50%,80%,100%{transform:translateX(-50%) translateY(0)}40%{transform:translateX(-50%) translateY(-10px)}60%{transform:translateX(-50%) translateY(-5px)}}

/* ============================================
   BUTTONS
   ============================================ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 32px;border-radius:10px;font-weight:600;font-size:.95rem;transition:var(--transition);cursor:pointer;border:2px solid transparent}
.btn-primary{background:var(--sky);color:#fff;border-color:var(--sky)}
.btn-primary:hover{background:var(--sky-dark);border-color:var(--sky-dark);transform:translateY(-2px);box-shadow:0 8px 25px rgba(74,163,192,.35)}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.btn-outline:hover{background:rgba(255,255,255,.1);border-color:#fff;transform:translateY(-2px)}
.btn-full{width:100%}
.btn-whatsapp{background:#25D366;color:#fff;border-radius:12px;padding:14px 28px;font-weight:600;display:inline-flex;align-items:center;gap:10px;transition:var(--transition);border:none;font-size:.95rem;width:100%;justify-content:center}
.btn-whatsapp:hover{background:#1ebe5d;transform:translateY(-2px);box-shadow:0 8px 25px rgba(37,211,102,.3)}

/* ============================================
   SECTIONS
   ============================================ */
.section{padding:100px 0}
.section:nth-child(even){background:var(--gray-50)}
.section-header{text-align:center;max-width:640px;margin:0 auto 60px}
.section-label{display:inline-block;color:var(--sky);font-weight:600;font-size:.85rem;text-transform:uppercase;letter-spacing:2px;margin-bottom:12px}
.section-header h2{font-size:clamp(1.6rem,4vw,2.4rem);color:var(--blue);font-weight:800;margin-bottom:16px}
.section-desc{color:var(--gray-600);font-size:1.05rem}

/* ============================================
   CATEGORIES
   ============================================ */
.categories-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cat-card{background:#fff;border-radius:var(--radius-lg);padding:36px 28px;text-align:center;border:1px solid var(--gray-200);transition:var(--transition);position:relative;overflow:hidden}
.cat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--sky);transform:scaleX(0);transform-origin:left;transition:transform .4s}
.cat-card:hover::before{transform:scaleX(1)}
.cat-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}
.cat-icon{display:flex;align-items:center;justify-content:center;width:72px;height:72px;background:var(--sky-light);border-radius:16px;margin:0 auto 20px;color:var(--sky);transition:var(--transition)}
.cat-card:hover .cat-icon{background:var(--sky);color:#fff}
.cat-card h3{font-size:1.1rem;font-weight:700;color:var(--blue);margin-bottom:8px}
.cat-card p{font-size:.88rem;color:var(--gray-600);line-height:1.6}

/* ============================================
   FEATURED PRODUCTS
   ============================================ */
.featured{background:#fff !important}
.featured-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.product-card{background:#fff;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--gray-200);transition:var(--transition)}
.product-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}
.product-img{height:200px;display:flex;align-items:center;justify-content:center;position:relative}
.product-info{padding:24px}
.product-tag{display:inline-block;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--sky);background:var(--sky-light);padding:4px 12px;border-radius:50px;margin-bottom:10px}
.product-tag.tag-new{color:#e67e22;background:#fef3e2}
.product-card h3{font-size:1rem;font-weight:700;color:var(--blue);margin-bottom:8px}
.product-card p{font-size:.85rem;color:var(--gray-600);line-height:1.6}

/* ============================================
   PRINTERS
   ============================================ */
.printers{background:linear-gradient(135deg,var(--blue),#0d3060) !important}
.printers .section-label{color:var(--sky)}
.printers .section-header h2{color:#fff}
.printers .section-desc{color:rgba(255,255,255,.6)}
.printers-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}
.printer-block{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);padding:48px 40px;transition:var(--transition)}
.printer-block:hover{background:rgba(255,255,255,.1);transform:translateY(-6px)}
.printer-icon{margin-bottom:24px}
.printer-block h3{color:#fff;font-size:1.4rem;font-weight:700;margin-bottom:14px}
.printer-block p{color:rgba(255,255,255,.65);margin-bottom:24px;line-height:1.8}
.printer-features{display:flex;flex-direction:column;gap:10px}
.printer-features li{color:rgba(255,255,255,.8);font-size:.9rem;padding-left:24px;position:relative}
.printer-features li::before{content:'✓';position:absolute;left:0;color:var(--sky);font-weight:700}

/* ============================================
   ABOUT
   ============================================ */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.about-visual{position:relative;min-height:420px}
.about-shape{position:absolute;inset:20px;background:linear-gradient(135deg,var(--sky-light),#d4eef7);border-radius:var(--radius-lg);transform:rotate(-3deg)}
.about-stat-card{position:absolute;background:#fff;border-radius:var(--radius);padding:24px 28px;box-shadow:var(--shadow-md);z-index:2}
.about-stat-card strong{display:block;font-size:2rem;color:var(--sky);font-weight:800}
.about-stat-card span{font-size:.85rem;color:var(--gray-600)}
.about-stat-card:first-of-type{top:20px;left:20px}
.about-stat-card.card-2{top:50%;right:10px;transform:translateY(-50%)}
.about-stat-card.card-3{bottom:20px;left:40px}
.about-text .section-label{display:block;margin-bottom:12px}
.about-text h2{font-size:clamp(1.5rem,3.5vw,2.2rem);color:var(--blue);font-weight:800;margin-bottom:20px}
.about-text p{color:var(--gray-600);margin-bottom:16px;font-size:1rem;line-height:1.8}
.about-text .btn{margin-top:12px}

/* ============================================
   WHY US
   ============================================ */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.why-card{background:#fff;border-radius:var(--radius-lg);padding:40px 28px;text-align:center;border:1px solid var(--gray-200);transition:var(--transition)}
.why-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}
.why-icon{display:flex;align-items:center;justify-content:center;width:68px;height:68px;background:var(--sky-light);border-radius:16px;margin:0 auto 20px;color:var(--sky);transition:var(--transition)}
.why-card:hover .why-icon{background:var(--sky);color:#fff}
.why-card h3{font-size:1.05rem;font-weight:700;color:var(--blue);margin-bottom:10px}
.why-card p{font-size:.88rem;color:var(--gray-600);line-height:1.6}

/* ============================================
   CONTACT
   ============================================ */
.contact{background:#fff !important}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-form{background:var(--gray-50);padding:40px;border-radius:var(--radius-lg);border:1px solid var(--gray-200)}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-weight:600;font-size:.9rem;color:var(--blue);margin-bottom:8px}
.form-group input,.form-group textarea{width:100%;padding:14px 18px;border:1.5px solid var(--gray-200);border-radius:10px;background:#fff;font-size:.95rem;transition:var(--transition);color:var(--gray-800)}
.form-group input:focus,.form-group textarea:focus{border-color:var(--sky);box-shadow:0 0 0 3px rgba(74,163,192,.12)}
.form-group textarea{resize:vertical;min-height:120px}
.form-error{font-size:.8rem;color:#e74c3c;margin-top:6px;display:block;min-height:20px}
.form-success{background:#d4edda;color:#155724;padding:14px 20px;border-radius:10px;margin-top:16px;font-size:.9rem;font-weight:500;text-align:center}

.contact-info{display:flex;flex-direction:column;gap:20px}
.contact-card{display:flex;align-items:flex-start;gap:16px;padding:20px 24px;background:var(--gray-50);border-radius:var(--radius);border:1px solid var(--gray-200)}
.contact-card-icon{display:flex;align-items:center;justify-content:center;width:48px;height:48px;background:var(--sky-light);border-radius:12px;color:var(--sky);flex-shrink:0}
.contact-card h3{font-size:.95rem;font-weight:700;color:var(--blue);margin-bottom:4px}
.contact-card p{font-size:.88rem;color:var(--gray-600)}
.map-placeholder{border-radius:var(--radius);overflow:hidden;border:1px solid var(--gray-200);margin-top:4px}

/* ============================================
   FOOTER
   ============================================ */
.footer{background:var(--navy);color:rgba(255,255,255,.7);padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-logo{margin-bottom:16px}
.footer-about p{font-size:.9rem;line-height:1.7;margin-bottom:20px}
.social-icons{display:flex;gap:10px}
.social-link{display:flex;align-items:center;justify-content:center;width:38px;height:38px;background:rgba(255,255,255,.08);border-radius:10px;color:rgba(255,255,255,.6);transition:var(--transition)}
.social-link:hover{background:var(--sky);color:#fff;transform:translateY(-3px)}
.footer-links h3,.footer-contact h3{color:#fff;font-size:1rem;font-weight:700;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:.88rem;color:rgba(255,255,255,.6);transition:var(--transition)}
.footer-links a:hover{color:var(--sky);padding-left:4px}
.footer-contact p{font-size:.88rem;margin-bottom:8px}
.footer-bottom{padding:20px 0;text-align:center;font-size:.84rem;color:rgba(255,255,255,.4)}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top{position:fixed;bottom:90px;right:24px;width:46px;height:46px;border-radius:12px;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-md);opacity:0;visibility:hidden;transform:translateY(20px);transition:var(--transition);z-index:90;border:none}
.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{background:var(--sky);transform:translateY(-4px)}

/* ============================================
   WHATSAPP FLOAT
   ============================================ */
.whatsapp-float{position:fixed;bottom:24px;right:24px;width:56px;height:56px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(37,211,102,.4);z-index:90;transition:var(--transition)}
.whatsapp-float:hover{transform:scale(1.1);box-shadow:0 8px 30px rgba(37,211,102,.5)}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.scroll-animate{opacity:0;transform:translateY(40px);transition:opacity .7s cubic-bezier(.4,0,.2,1),transform .7s cubic-bezier(.4,0,.2,1);transition-delay:var(--delay,0s)}
.scroll-animate.visible{opacity:1;transform:translateY(0)}

/* ============================================
   RESPONSIVE
   ============================================ */
@media(max-width:1024px){
  .categories-grid{grid-template-columns:repeat(3,1fr)}
  .featured-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-links a{padding:10px 12px;font-size:.82rem}
  .nav-catalog-btn span{display:none}
  .nav-catalog-btn{padding:8px 10px}
}

@media(max-width:768px){
  .hamburger{display:flex}
  .nav-catalog-btn{display:none}
  .nav-menu{position:fixed;top:0;right:-100%;width:300px;height:100vh;background:linear-gradient(180deg,var(--blue) 0%,var(--navy) 100%);padding:100px 28px 40px;transition:right .4s cubic-bezier(.4,0,.2,1);box-shadow:-8px 0 40px rgba(0,0,0,.3);z-index:5;display:flex;flex-direction:column;gap:16px}
  .nav-menu.open{right:0}
  .nav-links{flex-direction:column;align-items:stretch;gap:2px}
  .nav-links a{padding:14px 18px;font-size:1rem;border-radius:10px;color:rgba(255,255,255,.8)}
  .nav-links a::after{display:none}
  .nav-links a:hover,.nav-links a.active{background:rgba(255,255,255,.08);color:#fff}
  .nav-catalog-mobile{display:flex;align-items:center;justify-content:center;gap:8px;padding:14px 20px;background:var(--sky);color:#fff;font-weight:600;font-size:.95rem;border-radius:12px;margin-top:8px;transition:var(--transition)}
  .nav-catalog-mobile:hover{background:var(--sky-dark)}
  .logo-sub{display:none}
  .logo-img{width:36px;height:36px}

  .hero-content{grid-template-columns:1fr;text-align:center;gap:40px}
  .hero-tagline{margin-left:auto;margin-right:auto}
  .hero-cta{justify-content:center}
  .hero-visual{align-items:center}
  .hero-card-1{align-self:center}

  .categories-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .featured-grid{grid-template-columns:1fr}
  .printers-grid{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr;gap:40px}
  .about-visual{min-height:320px}
  .why-grid{grid-template-columns:1fr 1fr;gap:16px}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}

  .section{padding:70px 0}
  .section-header{margin-bottom:40px}
}

@media(max-width:480px){
  .container{padding:0 16px}
  .categories-grid{grid-template-columns:1fr}
  .why-grid{grid-template-columns:1fr}
  .hero{padding:80px 0 50px}
  .hero h1{font-size:1.8rem}
  .hero-card{padding:16px 20px;font-size:.85rem}
  .btn{padding:12px 24px;font-size:.88rem}
  .contact-form{padding:28px 20px}
  .cat-card{padding:28px 20px}
  .printer-block{padding:32px 24px}
}