/* ==========================================================
   SOCIALINKIA — Sistema de Diseño v5
   Mobile-first. Sin overflow horizontal.
   ========================================================== */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400;1,600&family=Inter:ital,opsz,wght@0,14..32,300;0,14..32,400;0,14..32,500;0,14..32,600;0,14..32,700;1,14..32,400&display=swap');

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{overflow-x:hidden}
img,video,svg{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{cursor:pointer;font:inherit;background:none;border:none}
input,select,textarea{font:inherit}
ul,ol{list-style:none}

:root{
  --bg:#f9f8f5;--bg2:#f2efe8;--bg3:#e8e4da;
  --white:#ffffff;--ink:#18181b;--ink2:#3f3f46;
  --muted:#71717a;--line:#e4e0d8;--line2:#ccc9be;
  --amber:#e07b25;--amber-h:#c96b1a;
  --amber-bg:rgba(224,123,37,.08);--amber-bd:rgba(224,123,37,.22);
  --green:#16a34a;--green-bg:rgba(22,163,74,.08);--red:#dc2626;
  --serif:'Playfair Display',Georgia,serif;
  --sans:'Inter',system-ui,-apple-system,sans-serif;
  --nav-h:62px;--max-w:1180px;
  --px:clamp(16px,4vw,40px);
  --gap:clamp(12px,1.8vw,20px);
  --r-sm:8px;--r-md:14px;--r-lg:20px;--r-xl:28px;--pill:999px;
  --sh1:0 1px 4px rgba(0,0,0,.06),0 4px 16px rgba(0,0,0,.06);
  --sh2:0 4px 12px rgba(0,0,0,.07),0 16px 40px rgba(0,0,0,.09);
  --sh3:0 8px 30px rgba(0,0,0,.12),0 32px 80px rgba(0,0,0,.12);
}

body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
.wrap{width:100%;max-width:var(--max-w);margin-inline:auto;padding-inline:var(--px)}

/* TIPO */
h1,h2,h3,h4,.serif{font-family:var(--serif);font-weight:400;line-height:1.18;letter-spacing:-.015em}
h1{font-size:clamp(1.9rem,4.8vw,3.4rem)}
h2{font-size:clamp(1.45rem,3.2vw,2.4rem)}
h3{font-size:clamp(1rem,1.8vw,1.25rem)}
p{color:var(--ink2);line-height:1.75}
strong{font-weight:600;color:var(--ink)}
em{font-style:italic;color:var(--amber)}
.overline{font-family:var(--sans);font-size:.67rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--amber);display:block;margin-bottom:.75rem}

/* SECCIÓN */
.sec{padding-block:clamp(48px,8vw,96px)}
.sec-sm{padding-block:clamp(32px,5vw,56px)}
.sec-alt{background:var(--bg2)}
.sec-white{background:var(--white)}
.sec-dark{background:var(--ink);color:var(--bg)}
.sec-dark p{color:rgba(249,248,245,.65)}

/* BOTONES */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;font-family:var(--sans);font-size:.83rem;font-weight:600;letter-spacing:.01em;line-height:1;padding:.72rem 1.6rem;border-radius:var(--pill);border:2px solid transparent;transition:all .18s ease;white-space:nowrap;cursor:pointer;-webkit-tap-highlight-color:transparent;text-decoration:none}
.btn-dark{background:var(--ink);color:var(--white);border-color:var(--ink)}
.btn-dark:hover{background:var(--amber);border-color:var(--amber);transform:translateY(-2px);box-shadow:0 6px 20px rgba(224,123,37,.3)}
.btn-amber{background:var(--amber);color:var(--white);border-color:var(--amber)}
.btn-amber:hover{background:var(--amber-h);border-color:var(--amber-h);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink2);border-color:var(--line2)}
.btn-ghost:hover{border-color:var(--ink);color:var(--ink);background:var(--bg2)}
.btn-ghost-w{background:transparent;color:rgba(255,255,255,.75);border-color:rgba(255,255,255,.22)}
.btn-ghost-w:hover{color:var(--white);border-color:var(--white);background:rgba(255,255,255,.08)}
.btn-sm{padding:.52rem 1.1rem;font-size:.76rem}
.btn-lg{padding:.9rem 2rem;font-size:.9rem}
.btn-full{width:100%;justify-content:center}

/* NAV */
#nav{position:fixed;inset-block-start:0;inset-inline:0;height:var(--nav-h);z-index:900;background:rgba(249,248,245,.95);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-bottom:1px solid transparent;transition:border-color .25s,box-shadow .25s}
#nav.stuck{border-color:var(--line);box-shadow:0 1px 0 var(--line),0 4px 20px rgba(0,0,0,.05)}
.nav-inner{display:flex;align-items:center;height:100%;gap:.25rem}

/* LOGO */
.nav-logo,.footer-logo{display:inline-flex;align-items:baseline;gap:0;letter-spacing:-.02em;line-height:1}
.nav-logo{flex-shrink:0;margin-right:auto}.logo-social{font-family:var(--sans);font-size:1.12rem;font-weight:700;color:var(--ink);letter-spacing:-.025em}
.logo-inkia{font-family:var(--serif);font-size:1.18rem;font-weight:700;color:var(--amber);letter-spacing:-.02em}
.logo-dot{display:none}

.footer-logo .logo-social{font-size:1rem;color:var(--bg)}
.footer-logo .logo-inkia{font-size:1.05rem}
.nav-links{display:flex;align-items:center;gap:.15rem}
.nav-links a{font-size:.8rem;font-weight:500;color:var(--muted);padding:.45rem .8rem;border-radius:var(--r-sm);transition:color .15s,background .15s}
.nav-links a:hover,.nav-links a.active{color:var(--ink);background:var(--bg2)}
.nav-cta{margin-left:.75rem}
.nav-ham{display:none;flex-direction:column;justify-content:center;gap:5px;width:36px;height:36px;margin-left:.5rem;padding:6px;border-radius:var(--r-sm);transition:background .15s}
.nav-ham:hover{background:var(--bg2)}
.nav-ham span{display:block;width:100%;height:1.5px;background:var(--ink);border-radius:2px;transition:transform .25s,opacity .25s}
.nav-ham[aria-expanded="true"] span:nth-child(1){transform:rotate(45deg) translate(4.5px,4.5px)}
.nav-ham[aria-expanded="true"] span:nth-child(2){opacity:0;transform:translateX(-6px)}
.nav-ham[aria-expanded="true"] span:nth-child(3){transform:rotate(-45deg) translate(4.5px,-4.5px)}
#nav-mobile{display:none;position:fixed;inset:var(--nav-h) 0 0;background:var(--white);z-index:899;overflow-y:auto;padding:1.25rem var(--px) 2rem;flex-direction:column;gap:.25rem;border-top:1px solid var(--line)}
#nav-mobile.open{display:flex}
#nav-mobile a{font-size:.95rem;font-weight:500;color:var(--ink2);padding:.85rem .5rem;border-bottom:1px solid var(--line);transition:color .15s,padding-left .15s}
#nav-mobile a:hover{color:var(--amber);padding-left:.75rem}
#nav-mobile .btn{margin-top:.75rem}
@media(max-width:860px){.nav-links,.nav-cta{display:none}.nav-ham{display:flex}}

/* PAGE HERO */
.page-hero{padding-block:calc(var(--nav-h) + clamp(2rem,5vw,4rem)) clamp(2rem,4vw,3.5rem);background:var(--white);border-bottom:1px solid var(--line)}
.page-hero h1{margin-bottom:.9rem}
.page-hero .lede{font-size:clamp(.9rem,2vw,1.06rem);color:var(--muted);max-width:540px;line-height:1.78}

/* CHIP */
.chip{display:inline-flex;align-items:center;gap:.3rem;font-size:.67rem;font-weight:600;letter-spacing:.07em;text-transform:uppercase;padding:.26rem .72rem;border-radius:var(--r-sm)}
.chip-amber{background:var(--amber-bg);color:var(--amber);border:1px solid var(--amber-bd)}
.chip-green{background:var(--green-bg);color:var(--green);border:1px solid rgba(22,163,74,.2)}
.chip-muted{background:var(--bg3);color:var(--muted)}
.chip-dark{background:var(--ink);color:var(--bg)}
.live-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--green);flex-shrink:0;animation:pulse 2s ease infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(1.5)}}

/* CARD */
.card{background:var(--white);border:1.5px solid var(--line);border-radius:var(--r-lg);padding:clamp(1.1rem,2.5vw,1.75rem);transition:border-color .18s,box-shadow .18s,transform .18s}
.card:hover{border-color:var(--line2);box-shadow:var(--sh2);transform:translateY(-3px)}

/* FORM */
.field{margin-bottom:1rem}
.field label{display:block;font-size:.72rem;font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);margin-bottom:.4rem}
.field input,.field select,.field textarea{width:100%;background:var(--bg);border:1.5px solid var(--line2);border-radius:var(--r-md);padding:.7rem 1rem;font-size:.88rem;color:var(--ink);outline:none;transition:border-color .18s,background .18s;-webkit-appearance:none;appearance:none}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--amber);background:var(--white)}
.field textarea{resize:vertical;min-height:110px}
.field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2371717a' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .9rem center;padding-right:2.5rem}

/* PLAN CARD */
.plan-card{background:var(--white);border:2px solid var(--line);border-radius:var(--r-lg);padding:clamp(1.25rem,3vw,2rem);display:flex;flex-direction:column;position:relative;transition:all .2s}
.plan-card.hl{border-color:var(--amber);box-shadow:0 0 0 4px var(--amber-bg),var(--sh2)}
.plan-badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--amber);color:#fff;font-size:.62rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:.3rem 1rem;border-radius:var(--pill);white-space:nowrap}
.plan-tier{font-size:.67rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:.5rem}
.plan-price{font-family:var(--serif);font-size:2.2rem;line-height:1;letter-spacing:-.03em;color:var(--ink);margin-bottom:.15rem}
.plan-price small{font-family:var(--sans);font-size:.82rem;font-weight:400;color:var(--muted)}
.plan-desc{font-size:.82rem;color:var(--muted);line-height:1.6;margin-bottom:.9rem}
.plan-ul{flex:1;display:flex;flex-direction:column;gap:.45rem;margin-bottom:1.25rem}
.plan-ul li{font-size:.82rem;color:var(--ink2);display:flex;align-items:flex-start;gap:.5rem;line-height:1.45}
.plan-ul li::before{content:"✓";color:var(--green);font-weight:700;flex-shrink:0;margin-top:.05rem}

/* RANK ROW */
.rank-row{display:grid;grid-template-columns:44px 1fr auto;gap:.75rem 1rem;align-items:center;background:var(--white);border:1.5px solid var(--line);border-radius:var(--r-lg);padding:1.1rem 1.4rem;transition:all .18s}
.rank-row:hover{border-color:var(--line2);box-shadow:var(--sh2);transform:translateX(3px)}
.rank-pos{font-family:var(--serif);font-size:1.6rem;color:var(--bg3);text-align:center;line-height:1}
.rank-row:nth-child(1) .rank-pos{color:var(--amber)}
.rank-row:nth-child(2) .rank-pos{color:#a07850}
.rank-row:nth-child(3) .rank-pos{color:#8a96a0}
.rank-tipo{font-size:.63rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--amber);margin-bottom:.2rem}
.rank-name{font-size:.93rem;font-weight:600;color:var(--ink);line-height:1.3;margin-bottom:.15rem}
.rank-sub{font-size:.78rem;color:var(--muted)}
.rank-right{text-align:right;flex-shrink:0}
.rank-pct{font-family:var(--serif);font-size:1.45rem;color:var(--ink);line-height:1}
.rank-pct-label{font-size:.67rem;color:var(--muted);margin-top:.1rem}
.rank-trend{font-size:.72rem;font-weight:700;color:var(--green);margin-top:.2rem}
@media(max-width:500px){.rank-row{grid-template-columns:36px 1fr}.rank-right{display:none}}

/* COURSE CARD */
.cc{background:var(--white);border:1.5px solid var(--line);border-radius:var(--r-lg);padding:1.3rem 1.4rem;display:grid;grid-template-columns:1fr auto;gap:1rem;align-items:start;transition:all .18s}
.cc:hover{border-color:var(--line2);box-shadow:var(--sh2);transform:translateY(-2px)}
.cc-tipo{font-size:.63rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--amber);margin-bottom:.3rem}
.cc-name{font-size:.95rem;font-weight:600;color:var(--ink);line-height:1.35;margin-bottom:.22rem}
.cc-centro{font-size:.82rem;color:var(--muted);margin-bottom:.6rem}
.cc-chips{display:flex;gap:.35rem;flex-wrap:wrap;margin-bottom:.65rem}
.cc-meta{display:flex;gap:1rem;flex-wrap:wrap}
.cc-meta span{font-size:.77rem;color:var(--muted)}
.cc-meta strong{color:var(--ink);font-weight:600}
.cc-right{display:flex;flex-direction:column;align-items:flex-end;gap:.5rem;min-width:100px}
.cc-precio{font-family:var(--serif);font-size:1.2rem;color:var(--ink);line-height:1;text-align:right}
.cc-precio small{font-family:var(--sans);font-size:.67rem;font-weight:400;color:var(--muted);display:block;margin-top:.1rem}
.cc-emp-bar{width:56px;height:4px;background:var(--bg3);border-radius:2px;overflow:hidden}
.cc-emp-fill{height:100%;border-radius:2px;transition:width .6s ease}
.cc-link{font-size:.76rem;font-weight:600;color:var(--amber);display:flex;align-items:center;gap:.25rem;transition:gap .15s}
.cc-link:hover{gap:.5rem}
@media(max-width:480px){.cc{grid-template-columns:1fr}.cc-right{flex-direction:row;align-items:center;flex-wrap:wrap}}

/* FAQ */
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;background:none;border:none;text-align:left;padding:1.1rem 0;display:flex;justify-content:space-between;align-items:center;gap:1rem;font-size:.95rem;font-weight:600;color:var(--ink);cursor:pointer;transition:color .15s;-webkit-tap-highlight-color:transparent}
.faq-q:hover{color:var(--amber)}
.faq-icon{flex-shrink:0;font-size:1.2rem;font-weight:300;color:var(--muted);transition:transform .25s,color .15s;line-height:1}
.faq-item.open .faq-icon{transform:rotate(45deg);color:var(--amber)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease}
.faq-item.open .faq-a{max-height:500px;padding-bottom:1.2rem}
.faq-a p{font-size:.9rem;color:var(--ink2);line-height:1.75}

/* FILTER */
.fchip{font-size:.78rem;font-weight:600;padding:.46rem 1rem;border-radius:var(--pill);border:1.5px solid var(--line2);background:var(--white);color:var(--muted);cursor:pointer;transition:all .15s;white-space:nowrap;-webkit-tap-highlight-color:transparent}
.fchip:hover{border-color:var(--ink);color:var(--ink)}
.fchip.on{background:var(--ink);color:var(--bg);border-color:var(--ink)}

/* SEARCH */
.s-wrap{position:relative}
.s-wrap input{width:100%;background:var(--white);border:1.5px solid var(--line2);border-radius:var(--pill);padding:.78rem 1.1rem .78rem 2.8rem;font-size:.9rem;color:var(--ink);outline:none;transition:border-color .18s;-webkit-appearance:none}
.s-wrap input:focus{border-color:var(--amber)}
.s-wrap input::placeholder{color:var(--muted)}
.s-icon{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none;font-size:.9rem;font-style:normal;line-height:1}

/* GRIDS */
.g2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap)}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.g4{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.ga{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));gap:var(--gap)}
@media(max-width:860px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:540px){.g2,.g3,.g4{grid-template-columns:1fr}}

/* REVEAL */
.rv{opacity:0;transform:translateY(18px);transition:opacity .5s ease,transform .5s ease}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.06s}.rv.d2{transition-delay:.12s}.rv.d3{transition-delay:.18s}.rv.d4{transition-delay:.24s}

/* FOOTER */
#footer{background:var(--ink);color:rgba(249,248,245,.6);padding-block:2.5rem}
.footer-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1.2rem}
.footer-logo{font-family:var(--serif);font-size:1.05rem;color:var(--bg)}
.footer-logo b{color:var(--amber)}
.footer-copy{font-size:.73rem}
.footer-links{display:flex;gap:1.5rem;flex-wrap:wrap}
.footer-links a{font-size:.75rem;transition:color .15s}
.footer-links a:hover{color:var(--bg)}
@media(max-width:600px){.footer-inner{flex-direction:column;align-items:flex-start}}

/* COOKIE */
#ck-wrap{position:fixed;inset-inline:1rem;bottom:1rem;z-index:9000;display:flex;justify-content:center}
#ck-banner{background:var(--white);border:1.5px solid var(--line2);border-radius:var(--r-lg);padding:1.1rem 1.4rem;display:flex;align-items:center;gap:1rem;flex-wrap:wrap;box-shadow:var(--sh3);max-width:860px;width:100%;animation:ckUp .4s .5s ease both}
@keyframes ckUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.ck-text{flex:1;min-width:180px;font-size:.8rem;color:var(--ink2);line-height:1.6}
.ck-text a{color:var(--amber)}
.ck-btns{display:flex;gap:.5rem;flex-wrap:wrap;flex-shrink:0}

/* NOTICE */
.notice{background:var(--amber-bg);border-left:3px solid var(--amber);border-radius:0 var(--r-sm) var(--r-sm) 0;padding:.85rem 1.1rem;font-size:.85rem;line-height:1.65;color:var(--ink2);margin-block:1.2rem}
.notice strong{color:var(--amber)}

::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--line2);border-radius:3px}