/* =========================
   AmeriEu • Boutique — UI Kit
   Mobile-first · rem-first · suave y humano
========================= */

:root{
  /* ---- Color tokens ---- */
  --c-bg: #0b0f14;
  --c-card: #101823;
  --c-text: #e7eef8;
  --c-muted: #a8b4c3;
  --c-line: rgba(255,255,255,.10);

  --c-brand-1: #6ee7ff;
  --c-brand-2: #a78bfa;

  --c-btn: rgba(255,255,255,.10);
  --c-btn-hover: rgba(255,255,255,.16);

  --c-focus: rgba(110,231,255,.28);
  --c-pill: rgba(167,139,250,.10);

  --c-wa: #25D366;

  /* ---- Layout + UI tokens ---- */
  --wrap: 68.75rem;

  --r-sm: .75rem;
  --r-md: 1rem;
  --r-lg: 1.25rem;
  --r-pill: 999rem;

  --s-1: .25rem;
  --s-2: .5rem;
  --s-3: .75rem;
  --s-4: 1rem;
  --s-5: 1.25rem;
  --s-6: 1.5rem;
  --s-7: 2rem;
  --s-8: 2.5rem;

  --shadow: 0 1.125rem 3.125rem rgba(0,0,0,.35);
  --shadow-soft: 0 .75rem 2rem rgba(0,0,0,.22);

  --blur: .75rem;
  --line: .0625rem;

  --ease: cubic-bezier(.2,.7,.2,1);
  --t-fast: 120ms;
  --t-med: 180ms;

  /* Typography */
  --fs-xs: .75rem;
  --fs-sm: .875rem;
  --fs-md: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.5rem;
  --fs-2xl: 1.75rem;

  --lh-tight: 1.15;
  --lh: 1.55;
}

[data-theme="light"]{
  --c-bg: #f6f8fc;
  --c-card: #ffffff;
  --c-text: #0c1420;
  --c-muted: #516173;
  --c-line: rgba(12,20,32,.10);

  --c-brand-1: #0077ff;
  --c-brand-2: #7c3aed;

  --c-btn: rgba(12,20,32,.06);
  --c-btn-hover: rgba(12,20,32,.10);

  --c-focus: rgba(0,119,255,.18);
  --c-pill: rgba(124,58,237,.10);

  --shadow: 0 1.125rem 3.125rem rgba(12,20,32,.12);
  --shadow-soft: 0 .75rem 2rem rgba(12,20,32,.10);
}

/* ---------- Base ---------- */

*{ box-sizing: border-box; }

html{
  font-size: 16px; /* rem baseline */
  scroll-behavior: smooth;
}

body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  color: var(--c-text);
  background:
    radial-gradient(70rem 35rem at 15% -10%, rgba(167,139,250,.16), transparent 60%),
    radial-gradient(60rem 32rem at 92% 0%, rgba(110,231,255,.16), transparent 55%),
    var(--c-bg);
  min-height: 100vh;
  text-rendering: optimizeLegibility;
}

a{ color: inherit; text-decoration: none; }
button{ font: inherit; }

img, svg{ max-width: 100%; display: block; }

:focus-visible{
  outline: none;
  box-shadow: 0 0 0 .2rem var(--c-focus);
}

::selection{
  background: rgba(110,231,255,.22);
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce){
  *{
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Helpers ---------- */

.wrap{
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--s-4);
}

section{ padding: var(--s-4) 0; }

.card{
  background:
    linear-gradient(180deg, rgba(255,255,255,.06), transparent 72%),
    var(--c-card);
  border: var(--line) solid var(--c-line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-soft);
}

/* ---------- Topbar ---------- */

.topbar{
  position: sticky;
  top: 0;
  z-index: 50;

  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));

  border-bottom: var(--line) solid var(--c-line);
  background: linear-gradient(to bottom, rgba(0,0,0,.44), rgba(0,0,0,.12));
}

[data-theme="light"] .topbar{
  background: linear-gradient(to bottom, rgba(246,248,252,.92), rgba(246,248,252,.70));
}

.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: var(--s-4);
  padding: var(--s-4) 0;
}

.brand{
  display:flex;
  align-items:center;
  gap: var(--s-3);
  min-width: 0;
}

.logo{
  width: 2.375rem;
  height: 2.375rem;
  border-radius: .9rem;
  background: linear-gradient(135deg, var(--c-brand-1), var(--c-brand-2));
  box-shadow: var(--shadow-soft);
  flex: 0 0 auto;
}

.brand h1{
  margin: 0;
  font-size: var(--fs-sm);
  letter-spacing: .02rem;
  line-height: 1.1;
}

.brand small{
  display:block;
  margin-top: .15rem;
  color: var(--c-muted);
  font-size: var(--fs-xs);
}

/* ---------- Buttons ---------- */

.actions{
  display:flex;
  align-items:center;
  gap: var(--s-3);
}

.theme-label{
  font-size: var(--fs-xs);
  color: var(--c-muted);
}

.btn,
.icon-btn{
  border: var(--line) solid var(--c-line);
  background: var(--c-btn);
  color: var(--c-text);

  padding: .65rem .85rem;
  border-radius: .95rem;

  cursor: pointer;
  display:inline-flex;
  align-items:center;
  gap: .55rem;

  transition:
    background var(--t-med) var(--ease),
    border-color var(--t-med) var(--ease),
    transform var(--t-fast) var(--ease),
    box-shadow var(--t-med) var(--ease);
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.btn:hover,
.icon-btn:hover{
  background: var(--c-btn-hover);
}

.btn:active,
.icon-btn:active{
  transform: translateY(.06rem);
}

.btn.primary{
  background: linear-gradient(135deg, rgba(110,231,255,.20), rgba(167,139,250,.20));
  border-color: rgba(110,231,255,.28);
  box-shadow: 0 .75rem 2rem rgba(110,231,255,.10);
}

.btn.primary:hover{
  border-color: rgba(110,231,255,.38);
  box-shadow: 0 .9rem 2.25rem rgba(167,139,250,.12);
}

.hamburger{
  width: 2.85rem;
  justify-content:center;
}

/* ---------- Drawer ---------- */

.drawer-backdrop{
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.58);
  display:none;
  z-index: 100;
}
.drawer-backdrop.open{ display:block; }

.drawer{
  position: fixed;
  top: 0;
  right: -24rem;
  width: min(22rem, 92vw);
  height: 100%;

  background: var(--c-card);
  border-left: var(--line) solid var(--c-line);
  box-shadow: var(--shadow);

  z-index: 110;
  transition: right 220ms var(--ease);

  padding: var(--s-6);
  display:flex;
  flex-direction:column;
  gap: var(--s-4);
}

.drawer.open{ right: 0; }

.drawer .row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: var(--s-3);
}

.drawer h2{
  margin: 0;
  font-size: var(--fs-sm);
  letter-spacing: .01rem;
}

.navlink{
  padding: .85rem .9rem;
  border-radius: .95rem;
  border: var(--line) solid var(--c-line);
  background: var(--c-btn);

  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: var(--s-3);

  cursor:pointer;
  transition: background var(--t-med) var(--ease), transform var(--t-fast) var(--ease);
}

.navlink:hover{ background: var(--c-btn-hover); }
.navlink:active{ transform: translateY(.06rem); }

.submenu{
  margin-top: .25rem;
  border-left: .125rem solid var(--c-line);
  padding-left: var(--s-3);

  display:none;
  gap: var(--s-2);
  flex-direction:column;
}
.submenu.open{ display:flex; }

.sublink{
  padding: .7rem .85rem;
  border-radius: .95rem;
  border: var(--line) solid var(--c-line);
  background: transparent;
  color: var(--c-text);
  cursor:pointer;
  text-align: left;

  transition: background var(--t-med) var(--ease);
}
.sublink:hover{ background: var(--c-btn-hover); }

.drawer-footer{
  margin-top: auto;
  color: var(--c-muted);
  font-size: var(--fs-xs);
  line-height: var(--lh);

  border-top: var(--line) solid var(--c-line);
  padding-top: var(--s-4);
}

/* ---------- Section heads ---------- */

.section-head{
  display: grid;
  gap: .25rem;
  margin: .25rem 0 .75rem;
}

.section-head h4{
  margin: 0;
  font-size: var(--fs-md);
  letter-spacing: .01rem;
}

.section-head p{
  margin: 0;
  color: var(--c-muted);
  font-size: var(--fs-xs);
  line-height: var(--lh);
}

.section-head--compact{
  margin: 0 0 var(--s-3);
}

/* ---------- Hero ---------- */

.hero{
  padding: var(--s-7) 0 var(--s-4);
}

.hero-grid{
  display:grid;
  grid-template-columns: 1fr;
  gap: var(--s-4);
  align-items:stretch;
}

.hero-left,
.hero-right{
  padding: var(--s-6);
}

.kicker{
  color: var(--c-muted);
  font-size: var(--fs-xs);
  letter-spacing: .02rem;
}

.hero h3{
  margin: var(--s-3) 0 var(--s-2);
  font-size: clamp(1.45rem, 3.6vw, 1.85rem);
  line-height: var(--lh-tight);
  letter-spacing: -.02rem;
}

.hero p{
  margin: 0;
  color: var(--c-muted);
  line-height: var(--lh);
  font-size: var(--fs-sm);
}

.pillrow{
  display:flex;
  gap: var(--s-3);
  flex-wrap:wrap;
  margin-top: var(--s-4);
  padding: 0;
  list-style: none;
}

.pill{
  border: var(--line) solid var(--c-line);
  background: var(--c-pill);

  padding: .5rem .7rem;
  border-radius: var(--r-pill);

  font-size: var(--fs-xs);
  color: var(--c-text);
}

.hero-cta{
  display:flex;
  gap: var(--s-3);
  flex-wrap:wrap;
  margin-top: var(--s-4);
}

/* ---------- Stats ---------- */

.stats{
  display:grid;
  grid-template-columns: 1fr;
  gap: var(--s-4);
}

.stat{
  padding: var(--s-4);
  border-radius: var(--r-lg);
  border: var(--line) solid var(--c-line);
  background: rgba(0,0,0,.12);
}

[data-theme="light"] .stat{
  background: rgba(12,20,32,.04);
}

.stat b{
  display:block;
  font-size: var(--fs-md);
  letter-spacing: -.01rem;
}

.stat span{
  display:block;
  margin-top: .15rem;
  color: var(--c-muted);
  font-size: var(--fs-xs);
}

.hero-quote{
  margin-top: var(--s-4);
  color: var(--c-muted);
  font-size: var(--fs-xs);
  line-height: 1.5;
  border-left: .2rem solid rgba(110,231,255,.35);
  padding-left: var(--s-3);
}

/* ---------- Filters / Inputs ---------- */

.filters{
  margin: var(--s-4) 0 0;
  display: grid;
  gap: var(--s-3);
  align-items:center;
}

.input,
select{
  width: 100%;
  padding: .85rem .9rem;
  border-radius: .95rem;
  border: var(--line) solid var(--c-line);
  background: rgba(0,0,0,.06);
  color: var(--c-text);
  outline: none;

  transition:
    border-color var(--t-med) var(--ease),
    background var(--t-med) var(--ease),
    transform var(--t-fast) var(--ease);
}

[data-theme="light"] .input,
[data-theme="light"] select{
  background: rgba(12,20,32,.03);
}

.input::placeholder{
  color: rgba(168,180,195,.75);
}

.input:focus,
select:focus{
  border-color: rgba(110,231,255,.42);
  background: rgba(0,0,0,.10);
}

select option{ color: #0c1420; }
[data-theme="dark"] select option{ color: #0c1420; }

/* ---------- Grid / Products ---------- */

.grid{
  display:grid;
  grid-template-columns: 1fr;
  gap: var(--s-4);
  margin-top: var(--s-4);
}

.product{
  padding: var(--s-4);
}

.thumb{
  height: 9rem;
  border-radius: var(--r-lg);
  border: var(--line) solid var(--c-line);

  background:
    radial-gradient(7.5rem 5rem at 18% 28%, rgba(110,231,255,.30), transparent 60%),
    radial-gradient(9rem 6rem at 88% 16%, rgba(167,139,250,.24), transparent 62%),
    rgba(0,0,0,.10);

  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  padding: var(--s-3);
  overflow: hidden;
}

[data-theme="light"] .thumb{
  background:
    radial-gradient(7.5rem 5rem at 18% 28%, rgba(0,119,255,.18), transparent 60%),
    radial-gradient(9rem 6rem at 88% 16%, rgba(124,58,237,.16), transparent 62%),
    rgba(12,20,32,.04);
}

.badge,
.price{
  font-size: .7rem;
  border-radius: var(--r-pill);
  padding: .38rem .55rem;
  border: var(--line) solid var(--c-line);
  backdrop-filter: blur(.35rem);
  -webkit-backdrop-filter: blur(.35rem);
}

.badge{ background: rgba(0,0,0,.18); }
.price{ background: rgba(0,0,0,.22); font-weight: 700; }

[data-theme="light"] .badge,
[data-theme="light"] .price{
  background: rgba(12,20,32,.06);
}

.product h5{
  margin: var(--s-3) 0 var(--s-2);
  font-size: var(--fs-sm);
  letter-spacing: -.01rem;
}

.meta{
  display:flex;
  gap: var(--s-2);
  flex-wrap:wrap;
  color: var(--c-muted);
  font-size: var(--fs-xs);
  line-height: 1.4;
}

.product .btn{
  width: 100%;
  justify-content: center;
  margin-top: var(--s-3);
}

/* ---------- Contact ---------- */

.two{
  display:grid;
  grid-template-columns: 1fr;
  gap: var(--s-4);
}

.contact-card{ padding: var(--s-6); }

.contact-card h4{ margin: 0 0 var(--s-2); }

.contact-card p{
  margin: 0 0 var(--s-4);
  color: var(--c-muted);
  line-height: var(--lh);
}

.form{
  display:grid;
  gap: var(--s-3);
}

textarea.input{
  min-height: 6.5rem;
  resize: vertical;
}

.row2{
  display:grid;
  grid-template-columns: 1fr;
  gap: var(--s-3);
}

.hint{
  color: var(--c-muted);
  font-size: var(--fs-xs);
  margin-top: var(--s-2);
  line-height: var(--lh);
}

.tips{
  margin: 0;
  padding-left: 1.125rem;
  color: var(--c-muted);
  line-height: 1.65;
}

/* ---------- Footer ---------- */

.site-footer,
footer{
  padding: var(--s-7) 0 var(--s-8);
  color: var(--c-muted);
  font-size: var(--fs-xs);
}

/* ---------- WhatsApp FAB ---------- */

.wa-fab{
  position: fixed;
  right: var(--s-4);
  bottom: var(--s-4);
  z-index: 120;

  display:flex;
  align-items:center;
  gap: var(--s-3);

  padding: .85rem 1rem;
  border-radius: var(--r-pill);
  border: var(--line) solid var(--c-line);

  background: linear-gradient(135deg, rgba(37,211,102,.22), rgba(110,231,255,.14));
  box-shadow: var(--shadow);
  cursor:pointer;
  -webkit-tap-highlight-color: transparent;

  transition: transform var(--t-fast) var(--ease), background var(--t-med) var(--ease);
}

.wa-fab:hover{
  transform: translateY(-.06rem);
}

.wa-fab:active{
  transform: translateY(.06rem);
}

.wa-dot{
  width: .65rem;
  height: .65rem;
  border-radius: var(--r-pill);
  background: var(--c-wa);
  box-shadow: 0 0 0 .25rem rgba(37,211,102,.14);
}

.wa-label{ font-weight: 700; color: var(--c-text); }
.wa-sub{ color: var(--c-muted); font-size: var(--fs-xs); }

/* ---------- Accessibility helpers (keep your classes) ---------- */

.sr-only{
  position: absolute !important;
  width: .0625rem; height: .0625rem;
  padding: 0; margin: -.0625rem;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

.skip-link{
  position: absolute;
  left: -999rem;
  top: var(--s-3);
  padding: .6rem .8rem;
  border-radius: .9rem;
  border: var(--line) solid var(--c-line);
  background: var(--c-card);
  box-shadow: var(--shadow-soft);
}
.skip-link:focus{
  left: var(--s-4);
  z-index: 9999;
}

/* ---------- Responsive steps (mobile-first) ---------- */

@media (min-width: 32.5rem){
  .wrap{ padding: 0 var(--s-5); }

  .stats{ grid-template-columns: 1fr 1fr; }
  .row2{ grid-template-columns: 1fr 1fr; }

  .hero-left,
  .hero-right{ padding: var(--s-7); }

  .thumb{ height: 9.5rem; }
}

@media (min-width: 45rem){
  .topbar-inner{ padding: var(--s-5) 0; }

  /* filters: 2-3 columns, still flexible */
  .filters{
    grid-template-columns: 1.2fr .9fr .9fr;
    gap: var(--s-3);
    align-items: end;
  }

  .grid{ grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 56.25rem){
  .hero-grid{ grid-template-columns: 1.1fr .9fr; }
  .grid{ grid-template-columns: repeat(4, 1fr); }

  .card{ box-shadow: var(--shadow-soft); }
}

@media (min-width: 70rem){
  /* un poquito más “premium” en pantallas grandes */
  .wrap{ padding: 0 var(--s-6); }
}