:root{--primary:#1497db;--primary-2:#43c3ff;--primary-dark:#0d6f9e;--ink:#0f172a;--muted:#5b6b7f;--soft:#eef5fa;--line:#d9e5ef;--white:#fff;--shadow:0 16px 40px rgba(15,23,42,.08);--shadow-lg:0 30px 80px rgba(15,23,42,.18);--radius:24px;--container:1200px}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;font-family:'Inter',system-ui,sans-serif;background:linear-gradient(180deg,#f7fbfe 0%,#f3f8fc 100%);color:var(--ink);line-height:1.6}
img{display:block;max-width:100%} a{text-decoration:none;color:inherit}
.container{width:min(var(--container),calc(100% - 2rem));margin:0 auto}.section{padding:88px 0}.section-sm{padding:56px 0}
.eyebrow,.shop-eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:.82rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--primary-dark);margin-bottom:14px}
.eyebrow::before,.shop-eyebrow::before{content:"";width:34px;height:2px;background:var(--primary)}
h1,h2,h3,h4{margin:0 0 14px;line-height:1.05;font-family:'Manrope',system-ui,sans-serif;letter-spacing:-.03em} h1{font-size:clamp(2.8rem,6vw,5.4rem)} h2{font-size:clamp(2rem,4vw,3.4rem)} h3{font-size:1.25rem}
p{margin:0 0 16px;color:var(--muted)} .small{font-size:.95rem}
header{position:sticky;top:0;z-index:999;background:rgba(9,18,33,.75);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.1)}
.nav{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo img{height:56px;width:auto}
.menu{display:flex;align-items:center;gap:22px;flex-wrap:wrap}.menu a{color:rgba(255,255,255,.88);font-weight:600;font-size:.95rem}.menu a:hover,.menu a.active{color:#fff}
.nav-cta,.btn,.shop-btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;font-weight:800;transition:.25s ease;text-decoration:none}
.nav-cta{height:44px;padding:0 18px;background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;box-shadow:0 12px 24px rgba(20,151,219,.28)}
.btn,.shop-btn{min-height:52px;padding:0 22px;border:1px solid transparent}
.btn:hover,.shop-btn:hover{transform:translateY(-2px)}
.btn-primary,.shop-btn--primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;box-shadow:0 18px 34px rgba(20,151,219,.28)}
.btn-secondary{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:#fff}
.shop-btn--secondary{background:#0f172a;color:#fff}.shop-btn--ghost{background:#fff;color:#0f172a;border-color:#d9e5ef}
.hero{position:relative;overflow:hidden;color:#fff;background:radial-gradient(circle at 15% 15%, rgba(67,195,255,.28), transparent 22%),radial-gradient(circle at 80% 10%, rgba(115,103,240,.18), transparent 22%),linear-gradient(135deg, rgba(8,16,30,.92), rgba(8,16,30,.76)),url('assets/hero.jpg') center/cover no-repeat}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg, rgba(13,20,37,.35), rgba(13,20,37,.65));pointer-events:none}
.hero-inner{position:relative;z-index:1;min-height:calc(100vh - 82px);display:grid;grid-template-columns:1.08fr .92fr;gap:34px;align-items:center;padding:72px 0}
.hero-copy p{color:rgba(255,255,255,.82);font-size:1.08rem;max-width:710px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.hero-panel{position:relative;z-index:1;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);box-shadow:var(--shadow-lg);border-radius:30px;padding:28px}
.hero-panel h3,.hero-panel p,.hero-panel strong{color:#fff}
.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:18px}.metric{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:20px;padding:16px}.metric strong{display:block;font-size:1.4rem;margin-bottom:4px}
.trust-row{margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);display:flex;gap:14px;flex-wrap:wrap;color:rgba(255,255,255,.86);font-weight:600;font-size:.92rem}
.floating-stats{margin-top:-42px;position:relative;z-index:4}.stats-card{background:#fff;border-radius:24px;border:1px solid var(--line);box-shadow:var(--shadow-lg);padding:22px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.stat strong{display:block;font-family:'Manrope',sans-serif;font-size:1.8rem;color:var(--ink)}.stat span{color:var(--muted);font-size:.95rem}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card,.course-card,.case-card,.post-card,.book-card{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);overflow:hidden}
.card{padding:28px;height:100%}.card-icon{width:58px;height:58px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(20,151,219,.12),rgba(67,195,255,.24));color:var(--primary-dark);font-weight:900;margin-bottom:18px}.card ul{padding-left:18px;margin:0;color:var(--muted)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:32px}.section-head p{max-width:560px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}.visual-stack{position:relative;min-height:520px;border-radius:30px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-lg);background:linear-gradient(180deg,#dff1fb,#f6fbfe)}.visual-main{position:absolute;inset:0 auto 0 0;width:100%;background:url('assets/capacitaciones_original.png') center top/cover no-repeat}.visual-card{position:absolute;right:24px;bottom:24px;width:min(360px,calc(100% - 48px));background:#fff;border-radius:22px;border:1px solid var(--line);padding:18px;box-shadow:var(--shadow-lg)}
.pill-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.pill{display:inline-flex;padding:10px 14px;border-radius:999px;background:#eaf7fd;color:var(--primary-dark);font-weight:700;font-size:.92rem}
.bg-soft{background:var(--soft)}.bg-dark{background:radial-gradient(circle at top right, rgba(67,195,255,.12), transparent 20%),linear-gradient(180deg,#0a1220,#0f172a);color:#fff}.bg-dark p{color:rgba(255,255,255,.76)}
.service-card{position:relative;overflow:hidden}.service-card::after{content:"";position:absolute;inset:auto -20% -35% auto;width:160px;height:160px;border-radius:50%;background:radial-gradient(circle, rgba(20,151,219,.15), transparent 70%)}
.media{height:210px;background-size:cover;background-position:center}.media-home{background-image:url('assets/home_original.png')}.media-cap{background-image:url('assets/capacitaciones_original.png')}.body{padding:24px}
.badge,.book-badge{display:inline-flex;padding:7px 12px;border-radius:999px;background:#eaf7fd;color:var(--primary-dark);font-weight:800;font-size:.78rem;margin-bottom:12px}.book-badge--accent{background:#0f172a;color:#fff}
.list-tight{padding-left:18px;margin:12px 0 0}.clients-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:start}.logo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.client-logo{background:#fff;border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow);padding:18px;min-height:112px;display:flex;align-items:center;justify-content:center}.client-logo img{max-height:62px;width:auto;object-fit:contain}
.authority-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.feature-list{display:grid;gap:16px}.feature{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px 20px;box-shadow:var(--shadow)}.feature strong{display:block;margin-bottom:6px}
.cta-band,.shop-info-strip__inner{border-radius:28px;padding:34px;background:linear-gradient(135deg,#0f172a,#1497db);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:22px;box-shadow:var(--shadow-lg)}.cta-band p,.shop-info-strip__inner p{color:rgba(255,255,255,.82);margin:0}.cta-actions,.shop-info-strip__actions{display:flex;gap:12px;flex-wrap:wrap}
.contact-wrap{display:grid;grid-template-columns:.95fr 1.05fr;gap:26px}.panel{background:#fff;border:1px solid var(--line);border-radius:28px;padding:30px;box-shadow:var(--shadow-lg)}.contact-list{display:grid;gap:14px;margin-top:20px}.contact-item{background:#f9fcfe;border:1px solid var(--line);border-radius:18px;padding:16px 18px}.socials{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.socials a{padding:11px 15px;border-radius:999px;background:#eaf7fd;color:var(--primary-dark);font-weight:800}
form{display:grid;gap:14px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}input,textarea,select{width:100%;border:1px solid #cad7e2;background:#fff;color:var(--ink);border-radius:14px;padding:14px 16px;font:inherit;outline:none}input:focus,textarea:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(20,151,219,.12)}textarea{resize:vertical;min-height:160px}
.shop-section{position:relative;padding:90px 0 70px;background:radial-gradient(circle at top left, rgba(20,151,219,.12), transparent 20%),linear-gradient(180deg, #f7fbfe 0%, #eef5fa 100%);overflow:hidden}.shop-products{padding:30px 0 90px;background:#f7fbfe}.shop-info-strip{padding:0 0 90px;background:#f7fbfe}.shop-hero{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center}.shop-hero__content h2{margin:0 0 16px;font-size:clamp(2rem,4vw,3.4rem);color:#0f172a}.shop-hero__content p{margin:0 0 18px;color:#5b6b7f;font-size:1.04rem;max-width:720px}.shop-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px}.shop-benefits{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:10px;color:#334155;font-weight:500}
.shop-hero__visual{position:relative;min-height:520px;display:flex;align-items:center;justify-content:center}.shop-hero__card{width:min(360px,85%);background:rgba(255,255,255,.7);border:1px solid rgba(255,255,255,.65);backdrop-filter:blur(10px);border-radius:28px;box-shadow:0 30px 80px rgba(15,23,42,.16);padding:18px;transform:rotate(-6deg)}.shop-hero__card img{width:100%;border-radius:18px;object-fit:cover}.shop-hero__card--secondary{position:absolute;right:0;bottom:20px;width:min(300px,70%);transform:rotate(7deg)}
.shop-section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}.shop-section-head h3{margin:0;font-size:clamp(1.5rem,3vw,2.3rem);color:#0f172a}.shop-section-head p{max-width:520px;margin:0;color:#5b6b7f}.shop-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:24px;align-items:start}
.book-card--featured{background:radial-gradient(circle at top right, rgba(20,151,219,.08), transparent 25%),#fff;border:1px solid #cfe4f0}.book-card__gallery{padding:22px 22px 0}.book-card__gallery img{width:100%;border-radius:18px;display:block}.book-card__gallery--pack{display:grid;grid-template-columns:1fr 1fr;gap:14px}.book-card__body{padding:24px}.book-card__body h3{margin:0 0 10px;font-size:1.45rem;line-height:1.1;color:#0f172a}.book-subtitle{margin:0 0 14px;color:#34506a;font-weight:700;line-height:1.35}.book-description{margin:0 0 18px;color:#5b6b7f}.book-price-block{display:grid;gap:10px;padding:16px 0;border-top:1px solid #e5eef5;border-bottom:1px solid #e5eef5;margin:18px 0}.book-price-line{display:flex;justify-content:space-between;gap:14px;align-items:center;color:#334155;font-weight:600}.book-price-line strong{font-family:'Manrope',sans-serif;font-size:1.15rem;color:#0f172a}.book-price-note{font-size:.92rem;color:#6b7c8f}.book-features{margin:0 0 22px;padding-left:18px;color:#5b6b7f}.book-actions{display:flex;flex-wrap:wrap;gap:12px}
footer{background:#091221;color:rgba(255,255,255,.72);border-top:1px solid rgba(255,255,255,.08);padding:28px 0}.footer-inner{display:flex;justify-content:space-between;gap:14px;align-items:center;flex-wrap:wrap}.muted-light{color:rgba(255,255,255,.72)}
@media (max-width:1120px){.hero-inner,.split,.clients-wrap,.contact-wrap,.authority-grid,.shop-hero,.shop-grid{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,1fr)}.stats-grid{grid-template-columns:repeat(2,1fr)}.nav{padding:16px 0;align-items:flex-start;flex-direction:column}.menu{justify-content:flex-start}.hero-inner{min-height:auto}.shop-hero__visual{min-height:420px}.shop-section-head,.shop-info-strip__inner{display:block}.shop-section-head p{margin-top:12px}.shop-info-strip__actions{margin-top:16px}}
@media (max-width:780px){.section,.shop-section,.shop-products{padding:68px 0}.grid-3,.logo-grid{grid-template-columns:1fr}.grid-2,.metric-grid,.stats-grid,.grid-4{grid-template-columns:1fr}.cta-band,.section-head,.footer-inner{display:block}.cta-actions{margin-top:16px}.logo img{height:46px}h1{font-size:2.7rem}.client-logo{min-height:96px}.client-logo img{max-height:52px}.shop-hero__card,.shop-hero__card--secondary{position:relative;transform:none;width:100%}.shop-hero__visual{display:grid;gap:16px;min-height:auto}.book-card__gallery--pack{grid-template-columns:1fr}.book-actions,.shop-hero__actions,.shop-info-strip__actions{display:grid}.shop-info-strip{padding-bottom:68px}}

/* =========================
   TIENDA SIMPLIFICADA + CARRITO
========================= */
.shop-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:start}
.product-list{display:grid;gap:20px}
.shop-product{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);overflow:hidden;display:grid;grid-template-columns:240px 1fr}
.shop-product__media{background:linear-gradient(180deg,#eef6fb,#f8fbfd);padding:18px;display:flex;align-items:center;justify-content:center}
.shop-product__media img{width:100%;max-width:180px;border-radius:14px}
.shop-product__body{padding:22px}
.shop-product__title{font-family:'Manrope',sans-serif;font-size:1.3rem;margin:0 0 8px}
.shop-product__variant{color:#34506a;font-weight:700;margin-bottom:8px}
.shop-product__desc{color:var(--muted);margin-bottom:14px}
.shop-product__meta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:14px}
.shop-tag{display:inline-flex;padding:8px 12px;border-radius:999px;background:#eef7fd;color:var(--primary-dark);font-weight:700;font-size:.82rem}
.shop-product__footer{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}
.shop-price{font-family:'Manrope',sans-serif;font-size:1.45rem;color:#0f172a}
.cart-panel{position:sticky;top:110px;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow-lg);overflow:hidden}
.cart-panel__head{padding:22px 22px 14px;border-bottom:1px solid #e7eef5}
.cart-panel__title{margin:0;font-family:'Manrope',sans-serif;font-size:1.4rem}
.cart-panel__body{padding:18px 22px 22px}
.cart-empty{color:var(--muted);font-size:.98rem}
.cart-items{display:grid;gap:14px;margin-bottom:16px}
.cart-item{border:1px solid #e7eef5;border-radius:18px;padding:14px;background:#fbfdff}
.cart-item__top{display:flex;justify-content:space-between;gap:10px;margin-bottom:8px}
.cart-item__name{font-weight:800;color:#163047;font-size:.95rem}
.cart-item__price{font-weight:800;color:#0f172a}
.cart-item__controls{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.qty-control{display:inline-flex;align-items:center;gap:8px}
.qty-btn,.remove-btn{border:none;background:#eaf7fd;color:var(--primary-dark);border-radius:10px;min-width:32px;height:32px;font-weight:800;cursor:pointer}
.remove-btn{background:#fff1f2;color:#be123c;padding:0 10px;width:auto}
.cart-summary{border-top:1px solid #e7eef5;padding-top:14px;display:grid;gap:10px}
.cart-row{display:flex;justify-content:space-between;gap:10px;color:#42586f}
.cart-row.total{font-weight:800;color:#0f172a;font-size:1.08rem}
.checkout-note{margin-top:12px;font-size:.92rem;color:#687b90}
.cart-actions{display:grid;gap:10px;margin-top:16px}
.order-box{margin-top:16px;padding:14px;border-radius:16px;background:#f8fbfe;border:1px solid #e7eef5}
.order-box textarea{min-height:120px}
@media (max-width:1080px){.shop-layout{grid-template-columns:1fr}.cart-panel{position:relative;top:auto}}
@media (max-width:720px){.shop-product{grid-template-columns:1fr}}

/* =========================
   CHECKOUT RÁPIDO FLOW READY
========================= */
.checkout-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:28px}
.checkout-card{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:24px}
.checkout-card h3{margin-bottom:10px}
.checkout-note{font-size:.94rem;color:#64748b}
.policy-box{margin-top:16px;padding:16px;border-radius:18px;background:#f8fbfe;border:1px solid #e7eef5}
.policy-box h4{margin:0 0 8px;font-family:'Manrope',sans-serif}
.policy-box p{margin:0 0 10px}
.policy-box p:last-child{margin-bottom:0}
.form-stack{display:grid;gap:14px}
.form-stack label{font-size:.92rem;font-weight:700;color:#163047}
.inline-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.mini-summary{display:grid;gap:12px}
.summary-list{display:grid;gap:10px}
.summary-item{display:flex;justify-content:space-between;gap:10px;padding:12px 0;border-bottom:1px solid #edf2f7}
.summary-item:last-child{border-bottom:none}
.summary-muted{color:#64748b;font-size:.92rem}
.summary-total{display:grid;gap:8px;padding-top:12px;border-top:1px solid #e7eef5}
.summary-line{display:flex;justify-content:space-between;gap:10px}
.summary-line.total{font-weight:800;color:#0f172a;font-size:1.08rem}
.stock-note{font-size:.88rem;color:#7c2d12;background:#fff7ed;border:1px solid #fed7aa;padding:10px 12px;border-radius:12px;margin-top:10px}
.action-bar{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
.secondary-link{font-size:.92rem;color:#0d6f9e;font-weight:700}
.steps-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}
.step-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:var(--shadow)}
.step-card strong{display:block;margin-bottom:6px}
.success-banner{margin-top:18px;padding:14px 16px;border-radius:16px;background:#ecfdf3;border:1px solid #bbf7d0;color:#166534;font-weight:600;display:none}
@media (max-width: 900px){
  .checkout-grid,.inline-2,.steps-strip{grid-template-columns:1fr}
}

.author-block{margin-top:32px;display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);overflow:hidden}
.author-block__image{min-height:360px;background:url('assets/pack_coleccion_completa.jpeg') center/cover no-repeat}
.author-block__content{padding:30px}.author-block__content h3{font-size:clamp(1.6rem,3vw,2.4rem)}
.featured-pack{margin-bottom:24px;background:linear-gradient(135deg,#0f172a,#1497db);color:#fff;border-radius:28px;overflow:hidden;box-shadow:var(--shadow-lg);display:grid;grid-template-columns:1fr 1fr}
.featured-pack img{width:100%;height:100%;object-fit:cover}.featured-pack__body{padding:34px}.featured-pack h3{font-size:clamp(1.8rem,3vw,2.7rem);color:#fff}.featured-pack p,.featured-pack li{color:rgba(255,255,255,.84)}
.amazon-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border-radius:999px;background:#fff;border:1px solid #d9e5ef;color:#0f172a;font-weight:800;transition:.25s ease}.amazon-btn:hover{transform:translateY(-2px)}
.book-long-desc{margin-top:14px;padding:14px;border-radius:16px;background:#f8fbfe;border:1px solid #e7eef5;color:#5b6b7f;font-size:.95rem}.book-long-desc details summary{cursor:pointer;color:#0d6f9e;font-weight:800}
@media (max-width:900px){.author-block,.featured-pack{grid-template-columns:1fr}.author-block__image{min-height:260px}}

/* =========================
   TIENDA V4.2 · BOTONES Y AMAZON
========================= */
.shop-product__media img{
  max-width:100%;
  max-height:320px;
  object-fit:contain;
}
.shop-product__footer{
  align-items:center;
}
.shop-format-btn{
  min-height:54px;
  padding:0 20px;
  border-radius:16px;
  background:linear-gradient(135deg,#1497db,#43c3ff);
  color:#fff;
  border:0;
  box-shadow:0 14px 28px rgba(20,151,219,.24);
  font-weight:900;
  cursor:pointer;
}
.shop-format-btn small{
  display:block;
  font-size:.72rem;
  font-weight:700;
  opacity:.9;
  margin-top:-2px;
}
.amazon-btn{
  gap:10px;
  min-height:54px;
  padding:0 20px;
  border-radius:16px;
  background:#fff;
  border:2px solid #ffb22c;
  color:#111827;
  box-shadow:0 12px 24px rgba(15,23,42,.08);
}
.amazon-btn img{
  width:28px;
  height:28px;
  object-fit:contain;
  border-radius:6px;
}
.amazon-btn span{
  font-weight:900;
}
.add-to-cart.shop-btn--primary{
  min-height:54px;
  border-radius:16px;
  font-weight:900;
}
.featured-pack .amazon-btn{
  border-color:rgba(255,255,255,.5);
}
@media (max-width:720px){
  .shop-format-btn,.amazon-btn,.add-to-cart.shop-btn--primary{
    width:100%;
  }
}

/* =========================
   TIENDA V4 FINAL · GALERÍA 2 FOTOS POR LIBRO
========================= */
.product-gallery{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:12px;
  width:100%;
  align-items:stretch;
}
.product-gallery img{
  width:100%;
  height:100%;
  min-height:220px;
  object-fit:contain;
  border-radius:16px;
  background:#fff;
}
.product-gallery img:first-child{
  object-fit:cover;
}
.product-gallery img:nth-child(2){
  padding:10px;
}
.shop-product__media{
  min-height:300px;
}
@media (max-width:720px){
  .product-gallery{
    grid-template-columns:1fr;
  }
  .product-gallery img{
    min-height:auto;
  }
}

/* =========================
   V5 MOBILE FIRST / HAMBURGER / FAVICON / AUTHOR
========================= */
.mobile-toggle{display:none;appearance:none;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);color:#fff;border-radius:14px;width:46px;height:46px;font-size:1.45rem;font-weight:900;cursor:pointer;line-height:1}
.mobile-cta-bar{display:none}
.author-block--portrait{grid-template-columns:.72fr 1.28fr}
.author-portrait{min-height:430px;background:#0f172a;display:flex;align-items:stretch;justify-content:center;overflow:hidden}
.author-portrait img{width:100%;height:100%;object-fit:cover;filter:grayscale(100%)}
.author-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.author-badges span{display:inline-flex;padding:10px 14px;border-radius:999px;background:#eaf7fd;color:#0d6f9e;font-weight:800;font-size:.9rem}
.product-gallery{display:grid!important;grid-template-columns:1fr!important;gap:16px!important}
.product-gallery img{width:100%;height:auto!important;min-height:0!important;max-height:none!important;object-fit:contain!important;border-radius:18px;background:#fff;box-shadow:0 12px 26px rgba(15,23,42,.08)}
.product-gallery img:first-child{object-fit:cover!important;aspect-ratio:1/1}
.product-gallery img:nth-child(2){padding:12px;max-height:420px!important}
.shop-product__media{align-items:flex-start!important;min-height:auto!important}
@media (max-width:980px){
header{background:rgba(9,18,33,.94)}
.nav{min-height:72px;padding:12px 0;flex-direction:row!important;align-items:center!important}
.logo img{height:44px}
.mobile-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto}
.menu{position:fixed;left:1rem;right:1rem;top:78px;display:none!important;flex-direction:column;align-items:stretch;gap:0;background:#fff;border:1px solid #d9e5ef;border-radius:22px;padding:12px;box-shadow:0 24px 70px rgba(15,23,42,.22);z-index:9999}
.menu.is-open{display:flex!important}
.menu a{color:#0f172a!important;padding:14px 16px;border-radius:14px;font-size:1rem}
.menu a:hover,.menu a.active{background:#eaf7fd;color:#0d6f9e!important}
.nav-cta{display:none}.hero-inner,.shop-hero{padding:54px 0}
h1{font-size:clamp(2.25rem,12vw,3rem)}h2{font-size:clamp(1.9rem,9vw,2.5rem)}
.hero-panel,.stats-card,.panel,.checkout-card,.cart-panel,.shop-product,.author-block,.featured-pack{border-radius:22px}
.shop-product{grid-template-columns:1fr!important}.shop-product__body{padding:20px}.shop-product__footer{display:grid!important;grid-template-columns:1fr}
.shop-format-btn,.amazon-btn,.add-to-cart.shop-btn--primary,.shop-btn{width:100%}
.cart-panel{position:relative!important;top:auto!important}.author-block--portrait{grid-template-columns:1fr}.author-portrait{min-height:360px}
.featured-pack{grid-template-columns:1fr!important}.clients-wrap,.contact-wrap,.split,.authority-grid,.checkout-grid,.shop-layout{grid-template-columns:1fr!important}
}
@media (max-width:680px){
body{padding-bottom:76px}.container{width:min(100% - 1.25rem, var(--container))}
.section,.shop-section,.shop-products{padding:56px 0}.section-head,.shop-section-head{display:block!important}
.stats-grid,.grid-3,.grid-4,.logo-grid,.metric-grid,.inline-2,.steps-strip{grid-template-columns:1fr!important}
.mobile-cta-bar{position:fixed;display:grid;grid-template-columns:1fr 1fr;gap:8px;left:10px;right:10px;bottom:10px;z-index:10000;padding:8px;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border:1px solid #d9e5ef;border-radius:18px;box-shadow:0 18px 48px rgba(15,23,42,.18)}
.mobile-cta-bar a{min-height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-weight:900}.mobile-cta-bar a:first-child{background:#0f172a;color:#fff}.mobile-cta-bar a:last-child{background:linear-gradient(135deg,#1497db,#43c3ff);color:#fff}
}