/* ===== RESET & BASE ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;-webkit-font-smoothing:antialiased}
body{font-family:var(--font-body);color:var(--dark);background:var(--white);line-height:1.6;overflow-x:hidden}
h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:800;line-height:1.2;color:var(--dark)}
h1{font-size:clamp(2.2rem,5vw,3.8rem)}
h2{font-size:clamp(1.8rem,4vw,3rem)}
h3{font-size:clamp(1.3rem,2.5vw,1.8rem)}
h4{font-size:clamp(1.1rem,2vw,1.4rem)}
p{color:var(--gray-600);line-height:1.7;font-size:1.05rem}
a{text-decoration:none;color:inherit;transition:color var(--transition-fast)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;border:none;outline:none}
button{cursor:pointer}
::selection{background:var(--primary);color:var(--white)}

/* ===== UTILITIES ===== */
.container{width:100%;max-width:var(--container-xl);margin:0 auto;padding:0 24px}
.container-sm{max-width:var(--container-md);margin:0 auto;padding:0 24px}
.flex{display:flex}.flex-col{flex-direction:column}.flex-wrap{flex-wrap:wrap}
.items-center{align-items:center}.justify-center{justify-content:center}
.justify-between{justify-content:space-between}.gap-1{gap:8px}.gap-2{gap:16px}.gap-3{gap:24px}.gap-4{gap:32px}.gap-5{gap:48px}
.grid{display:grid}.grid-2{display:grid;grid-template-columns:repeat(2,1fr)}.grid-3{display:grid;grid-template-columns:repeat(3,1fr)}.grid-4{display:grid;grid-template-columns:repeat(4,1fr)}
.text-center{text-align:center}.text-white{color:var(--white)}.text-primary{color:var(--primary)}.text-secondary{color:var(--secondary)}.text-accent{color:var(--accent)}
.text-sm{font-size:0.875rem}.text-xs{font-size:0.75rem}.text-lg{font-size:1.125rem}.text-xl{font-size:1.25rem}
.font-bold{font-weight:700}.font-semibold{font-weight:600}.font-medium{font-weight:500}
.bg-primary{background:var(--primary)}.bg-secondary{background:var(--secondary)}.bg-dark{background:var(--dark)}.bg-gray{background:var(--gray-50)}.bg-white{background:var(--white)}
.rounded{border-radius:var(--radius-md)}.rounded-lg{border-radius:var(--radius-lg)}.rounded-full{border-radius:var(--radius-full)}
.shadow{box-shadow:var(--shadow-md)}.shadow-lg{box-shadow:var(--shadow-lg)}
.section{padding:100px 0}
.section-sm{padding:60px 0}
.mx-auto{margin:0 auto}
.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}.mb-4{margin-bottom:32px}.mb-5{margin-bottom:48px}.mb-6{margin-bottom:64px}
.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}
.relative{position:relative}.absolute{position:absolute}
.overflow-hidden{overflow:hidden}
.w-full{width:100%}
.hidden{display:none}
.block{display:block}
.inline-block{display:inline-block}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 32px;border-radius:var(--radius-full);font-weight:700;font-size:1rem;transition:all var(--transition-base);position:relative;overflow:hidden;border:2px solid transparent}
.btn::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,0.2),transparent);opacity:0;transition:opacity var(--transition-fast)}
.btn:hover::after{opacity:1}
.btn-primary{background:var(--secondary);color:var(--white);border-color:var(--secondary);box-shadow:0 4px 15px rgba(248,130,41,0.35)}
.btn-primary:hover{background:var(--secondary-dark);transform:translateY(-2px);box-shadow:0 8px 25px rgba(248,130,41,0.4)}
.btn-secondary{background:var(--primary);color:var(--white);border-color:var(--primary);box-shadow:0 4px 15px rgba(102,153,255,0.3)}
.btn-secondary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 25px rgba(102,153,255,0.4)}
.btn-outline{background:transparent;color:var(--white);border-color:var(--white)}
.btn-outline:hover{background:var(--white);color:var(--primary)}
.btn-outline-dark{background:transparent;color:var(--dark);border-color:var(--gray-200)}
.btn-outline-dark:hover{border-color:var(--primary);color:var(--primary);background:rgba(102,153,255,0.05)}
.btn-whatsapp{background:#25D366;color:var(--white);border-color:#25D366}
.btn-whatsapp:hover{background:#1DA851;transform:translateY(-2px)}
.btn-sm{padding:10px 22px;font-size:0.9rem}
.btn-lg{padding:18px 40px;font-size:1.1rem}
.btn-icon{width:48px;height:48px;padding:0;border-radius:50%}
.btn:active{transform:translateY(0) scale(0.98)}

/* ===== CARDS ===== */
.card{background:var(--white);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-sm);border:1px solid var(--gray-100);transition:all var(--transition-base)}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:var(--primary-light)}
.card-glass{background:rgba(255,255,255,0.08);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,0.15);border-radius:var(--radius-lg)}
.card-featured{border:2px solid var(--primary);position:relative}
.card-featured::before{content:'Más popular';position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--secondary);color:var(--white);padding:4px 20px;border-radius:var(--radius-full);font-size:0.85rem;font-weight:700}

/* ===== FORMS ===== */
.form-group{margin-bottom:20px}
.form-label{display:block;margin-bottom:8px;font-weight:600;color:var(--dark);font-size:0.95rem}
.form-input{width:100%;padding:14px 18px;border:2px solid var(--gray-200);border-radius:var(--radius-md);font-size:1rem;transition:all var(--transition-fast);background:var(--white);color:var(--dark)}
.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(102,153,255,0.15)}
.form-input::placeholder{color:var(--gray-400)}
.form-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236B7280' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:40px}
textarea.form-input{min-height:120px;resize:vertical}
.form-checkbox{display:flex;align-items:flex-start;gap:10px;cursor:pointer}
.form-checkbox input[type="checkbox"]{width:20px;height:20px;accent-color:var(--primary);margin-top:2px;cursor:pointer}

/* ===== BADGE ===== */
.badge{display:inline-flex;align-items:center;padding:4px 14px;border-radius:var(--radius-full);font-size:0.8rem;font-weight:700;text-transform:uppercase;letter-spacing:0.05em}
.badge-primary{background:rgba(102,153,255,0.12);color:var(--primary)}
.badge-success{background:rgba(16,185,129,0.12);color:var(--success)}
.badge-warning{background:rgba(245,158,11,0.12);color:var(--warning)}
.badge-danger{background:rgba(239,68,68,0.12);color:var(--danger)}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .grid-4,.grid-3,.grid-2{grid-template-columns:1fr}
  .section{padding:60px 0}
  .container{padding:0 16px}
  .btn-lg{padding:14px 28px;font-size:1rem}
  .hidden-mobile{display:none!important}
  .flex-col-mobile{flex-direction:column}
}