@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,400&display=swap');

/* ── LIGHT default ── */
:root {
    --bg:#f0f4f8; --bg-card:rgba(255,255,255,.88); --bg-card-h:#fff;
    --border:rgba(0,0,0,.08); --border-h:rgba(0,0,0,.16);
    --text:#0f172a; --text-2:#475569; --text-3:#94a3b8;
    --nav-bg:rgba(240,244,248,.94); --nav-link:#334155;
    --collapse-bg:rgba(240,244,248,.98);
    --card-shadow:0 2px 10px rgba(0,0,0,.07);
    --shadow:0 8px 32px rgba(0,0,0,.10); --shadow-lg:0 20px 60px rgba(0,0,0,.15);
    --body-grad:radial-gradient(ellipse 80% 50% at 50% -10%,#dbeafe,#f0f4f8);
    --blue:#2563eb; --blue-g:rgba(37,99,235,.3);
    --purple:#9333ea; --purple-g:rgba(147,51,234,.3);
    --gold:#d97706; --gold-g:rgba(217,119,6,.3);
    --green:#059669; --green-g:rgba(5,150,105,.3);
    --red:#dc2626; --red-g:rgba(220,38,38,.3);
    --cyan:#0891b2; --cyan-g:rgba(8,145,178,.3);
    --radius:12px; --radius-sm:8px;
    --transition:all .3s cubic-bezier(.4,0,.2,1);
    --section-py:40px; --container-px:16px;
}
/* ── DARK ── */
[data-theme="dark"] {
    --bg:#020617; --bg-card:rgba(15,23,42,.6); --bg-card-h:rgba(22,33,62,.85);
    --border:rgba(255,255,255,.07); --border-h:rgba(255,255,255,.14);
    --text:#f1f5f9; --text-2:#94a3b8; --text-3:#475569;
    --nav-bg:rgba(2,6,23,.88); --nav-link:#94a3b8;
    --collapse-bg:rgba(2,6,23,.97);
    --card-shadow:none;
    --shadow:0 8px 32px rgba(0,0,0,.4); --shadow-lg:0 20px 60px rgba(0,0,0,.5);
    --body-grad:radial-gradient(ellipse 80% 50% at 50% -10%,#1e293b,#020617);
    --blue:#3b82f6; --blue-g:rgba(59,130,246,.35);
    --purple:#d946ef; --purple-g:rgba(217,70,239,.35);
    --gold:#f59e0b; --gold-g:rgba(245,158,11,.35);
    --green:#10b981; --green-g:rgba(16,185,129,.35);
    --red:#ef4444; --red-g:rgba(239,68,68,.35);
    --cyan:#06b6d4; --cyan-g:rgba(6,182,212,.35);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    font-family:'DM Sans',system-ui,sans-serif;
    background:var(--body-grad); color:var(--text);
    min-height:100vh; display:flex; flex-direction:column;
    -webkit-user-select:none; user-select:none; overflow-x:hidden;
    transition:background .35s ease,color .25s ease;
}
img{pointer-events:none;max-width:100%}
a{color:inherit;text-decoration:none}

/* ── NAVBAR ── */
.navbar{
    position:sticky;top:0;z-index:1000;
    background:var(--nav-bg);
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    border-bottom:1px solid var(--border);padding:10px 0;
    transition:background .35s,border-color .25s;
}
.brand-icon{
    width:36px;height:36px;background:var(--blue);border-radius:9px;
    display:flex;align-items:center;justify-content:center;
    font-size:1rem;color:#fff;box-shadow:0 0 16px var(--blue-g);flex-shrink:0;
}
/* NOMBRE: negro en light, blanco en dark */
.brand-name{
    font-family:'Sora',sans-serif;font-weight:700;font-size:1rem;
    letter-spacing:-.02em;color:var(--text);transition:color .25s;
}
.navbar .nav-link{
    font-size:.875rem;font-weight:500;color:var(--nav-link);
    padding:7px 14px;border-radius:8px;
    transition:var(--transition);display:flex;align-items:center;
}
.navbar .nav-link:hover,.navbar .nav-link.active{color:var(--blue);background:rgba(37,99,235,.08)}
[data-theme="dark"] .navbar .nav-link:hover,
[data-theme="dark"] .navbar .nav-link.active{color:var(--text);background:rgba(255,255,255,.06)}
.navbar-toggler{border:1px solid var(--border)!important;padding:6px 10px;border-radius:8px!important}
.navbar-toggler:focus{box-shadow:none!important}
.navbar-toggler-icon{
    background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(15,23,42,0.65)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e")!important;
}
[data-theme="dark"] .navbar-toggler-icon{
    background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(241,245,249,0.7)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e")!important;
}
.navbar-collapse{
    background:var(--collapse-bg);border-radius:var(--radius);
    padding:8px;margin-top:8px;border:1px solid var(--border);
}
@media(min-width:992px){.navbar-collapse{background:transparent;border:none;padding:0;margin-top:0}}

/* ── THEME TOGGLE ── */
.theme-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:36px;height:36px;border-radius:50%;
    border:1px solid var(--border);background:var(--bg-card);
    color:var(--text-2);cursor:pointer;font-size:1rem;
    transition:all .25s ease;flex-shrink:0;
}
.theme-toggle:hover{color:var(--blue);border-color:var(--blue);transform:rotate(20deg) scale(1.08);box-shadow:0 0 12px var(--blue-g)}

/* ── CONTAINER ── */
.container{width:100%;padding-left:var(--container-px);padding-right:var(--container-px);margin:0 auto}

/* ── CARD ── */
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);backdrop-filter:blur(8px);box-shadow:var(--card-shadow);transition:var(--transition)}
.card-hover:hover{background:var(--bg-card-h);border-color:var(--border-h);transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.icon-box{width:44px;height:44px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.25rem;flex-shrink:0;transition:transform .3s}
.card-hover:hover .icon-box{transform:scale(1.1)}

/* ── PILLS ── */
.pill{display:inline-flex;align-items:center;gap:5px;padding:.3em .75em;border-radius:50rem;font-size:.73rem;font-weight:600;border:1px solid var(--border);background:rgba(0,0,0,.04);letter-spacing:.02em;white-space:nowrap}
[data-theme="dark"] .pill{background:rgba(255,255,255,.04)}

/* ── COLORS ── */
.t-blue{color:var(--blue)!important} .t-gold{color:var(--gold)!important}
.t-green{color:var(--green)!important} .t-purple{color:var(--purple)!important}
.t-cyan{color:var(--cyan)!important} .t-red{color:var(--red)!important}
.t-muted{color:var(--text-2)!important}
.bg-blue{background:rgba(37,99,235,.1)!important} .bg-gold{background:rgba(217,119,6,.1)!important}
.bg-green{background:rgba(5,150,105,.1)!important} .bg-purple{background:rgba(147,51,234,.1)!important}
.bg-cyan{background:rgba(8,145,178,.1)!important} .bg-red{background:rgba(220,38,38,.1)!important}
[data-theme="dark"] .bg-blue{background:rgba(59,130,246,.12)!important}
[data-theme="dark"] .bg-gold{background:rgba(245,158,11,.12)!important}
[data-theme="dark"] .bg-green{background:rgba(16,185,129,.12)!important}
[data-theme="dark"] .bg-purple{background:rgba(217,70,239,.12)!important}
[data-theme="dark"] .bg-cyan{background:rgba(6,182,212,.12)!important}
[data-theme="dark"] .bg-red{background:rgba(239,68,68,.12)!important}

/* ── HOVER BORDERS ── */
.border-blue-h:hover{border-color:var(--blue)!important;box-shadow:0 10px 36px -8px var(--blue-g)}
.border-gold-h:hover{border-color:var(--gold)!important;box-shadow:0 10px 36px -8px var(--gold-g)}
.border-green-h:hover{border-color:var(--green)!important;box-shadow:0 10px 36px -8px var(--green-g)}
.border-purple-h:hover{border-color:var(--purple)!important;box-shadow:0 10px 36px -8px var(--purple-g)}

/* ── BUTTONS ── */
.btn{border-radius:50rem;font-weight:600;font-size:.85rem;transition:var(--transition)}
.btn-outline-blue{background:transparent;color:var(--blue);border:2px solid var(--blue)}
.btn-outline-blue:hover{background:var(--blue);color:#fff}
.btn-outline-gold{background:transparent;color:var(--gold);border:2px solid var(--gold)}
.btn-outline-gold:hover{background:var(--gold);color:#fff}
.btn-outline-green{background:transparent;color:var(--green);border:2px solid var(--green)}
.btn-outline-green:hover{background:var(--green);color:#fff}
.btn-outline-purple{background:transparent;color:var(--purple);border:2px solid var(--purple)}
.btn-outline-purple:hover{background:var(--purple);color:#fff}

/* ── DIVIDER ── */
.section-divider{display:flex;align-items:center;gap:14px;margin-bottom:24px}
.section-divider h5{font-family:'Sora',sans-serif;font-size:.875rem;font-weight:700;white-space:nowrap;margin:0;display:flex;align-items:center;gap:8px}
.section-divider .divider-line{flex:1;height:1px;min-width:20px;background:linear-gradient(90deg,var(--border),transparent)}

/* ── ANIMATIONS ── */
.fade-up{animation:fadeUp .7s ease-out backwards}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
.delay-1{animation-delay:.1s}.delay-2{animation-delay:.2s}.delay-3{animation-delay:.3s}
.delay-4{animation-delay:.4s}.delay-5{animation-delay:.5s}

/* ── HERO ── */
.hero-section{padding:var(--section-py) 0 32px;text-align:center}
.hero-section h1{font-family:'Sora',sans-serif;font-size:clamp(1.9rem,5vw,3.4rem);font-weight:800;letter-spacing:-.04em;line-height:1.15}
.hero-section p.lead{font-size:clamp(.9rem,2vw,1.05rem);color:var(--text-2);max-width:540px;margin:0 auto;line-height:1.7}

/* ── HUB CARDS ── */
.hub-card{
    display:flex;flex-direction:column;align-items:center;text-align:center;
    padding:clamp(24px,4vw,44px) clamp(20px,3vw,32px);
    border-radius:var(--radius);background:var(--bg-card);
    border:1px solid var(--border);box-shadow:var(--card-shadow);
    transition:var(--transition);color:var(--text);height:100%;
}
.hub-card:hover{background:var(--bg-card-h);border-color:var(--border-h);transform:translateY(-6px);box-shadow:var(--shadow-lg);color:var(--text)}
.hub-card .hub-icon{width:clamp(52px,8vw,66px);height:clamp(52px,8vw,66px);border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:clamp(1.5rem,3vw,1.9rem);margin-bottom:18px;transition:transform .3s}
.hub-card:hover .hub-icon{transform:scale(1.1) rotate(-4deg)}
.hub-card h3{font-family:'Sora',sans-serif;font-size:clamp(.95rem,2vw,1.15rem);font-weight:700;margin-bottom:8px}
.hub-card p{font-size:clamp(.8rem,1.5vw,.88rem);color:var(--text-2);margin:0;line-height:1.6}

/* ── PERFIL ── */
.perfil-avatar{width:76px;height:76px;border-radius:50%;background:rgba(37,99,235,.1);border:2px solid rgba(37,99,235,.35);display:inline-flex;align-items:center;justify-content:center;font-size:2rem}
[data-theme="dark"] .perfil-avatar{background:rgba(59,130,246,.15);border-color:rgba(59,130,246,.4)}
.perfil-title{font-family:'Sora',sans-serif;font-weight:700;font-size:clamp(1rem,2vw,1.2rem);margin-bottom:8px}
.perfil-desc{font-size:clamp(.84rem,1.5vw,.92rem);line-height:1.7}

/* ── FOOTER ── */
.site-footer{margin-top:auto;border-top:1px solid var(--border);padding:22px 0;font-size:.82rem;color:var(--text-2);transition:border-color .25s,color .25s}
.footer-inner{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:center}
.footer-brand{font-weight:600;color:var(--text);transition:color .25s}
.footer-sep{color:var(--text-3)}

/* ── STATUS PAGE ── */
@keyframes pulse-green{0%{box-shadow:0 0 0 0 rgba(5,150,105,.5)}70%{box-shadow:0 0 0 10px rgba(5,150,105,0)}100%{box-shadow:0 0 0 0 rgba(5,150,105,0)}}
[data-theme="dark"] @keyframes pulse-green{0%{box-shadow:0 0 0 0 rgba(16,185,129,.5)}70%{box-shadow:0 0 0 10px rgba(16,185,129,0)}100%{box-shadow:0 0 0 0 rgba(16,185,129,0)}}
.pulse-dot{width:10px;height:10px;border-radius:50%;display:inline-block;flex-shrink:0}
.pulse-dot.on{background:var(--green);animation:pulse-green 2s infinite}
.pulse-dot.off{background:var(--red)}
.srv-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--card-shadow);padding:clamp(14px,2.5vw,22px);display:flex;align-items:flex-start;gap:clamp(12px,2vw,16px);transition:var(--transition)}
.srv-card:hover{background:var(--bg-card-h);border-color:var(--border-h);transform:translateY(-4px)}
.srv-icon-wrap{width:46px;height:46px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.15rem;flex-shrink:0}
.srv-card .srv-title{font-weight:700;font-size:.95rem}
.srv-card .srv-desc{font-size:.8rem;color:var(--text-2);margin:4px 0 0;line-height:1.5}
.uptime-banner{background:rgba(5,150,105,.06);border:1px solid rgba(5,150,105,.2);border-radius:var(--radius);padding:18px 24px;display:flex;align-items:center;gap:14px}
[data-theme="dark"] .uptime-banner{background:rgba(16,185,129,.06);border-color:rgba(16,185,129,.2)}
.ping-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;text-align:center;box-shadow:var(--card-shadow);transition:var(--transition)}
.ping-val{font-family:'Sora',sans-serif;font-size:clamp(1rem,2vw,1.9rem);font-weight:800;line-height:1;word-break:break-all}
.ping-lbl{font-size:.78rem;color:var(--text-2);margin-top:4px}

/* ── ACADÉMICO ── */
.tag-tech{display:inline-flex;align-items:center;padding:.25em .7em;border-radius:6px;font-size:.72rem;font-weight:600;background:rgba(147,51,234,.08);color:#7c3aed;border:1px solid rgba(147,51,234,.2)}
[data-theme="dark"] .tag-tech{background:rgba(99,102,241,.1);color:#818cf8;border-color:rgba(99,102,241,.2)}
.estudio-num{font-family:'Sora',sans-serif;font-size:3rem;font-weight:800;color:rgba(147,51,234,.12);line-height:1;position:absolute;top:18px;right:22px}
[data-theme="dark"] .estudio-num{color:rgba(99,102,241,.12)}

/* ── RESPONSIVE ── */
@media(max-width:479px){
    :root{--section-py:28px;--container-px:14px}
    .hub-card{flex-direction:row;text-align:left;padding:18px 20px;gap:16px;height:auto}
    .hub-card .hub-icon{margin-bottom:0;width:48px;height:48px;font-size:1.3rem;flex-shrink:0}
    .hub-card h3{font-size:.95rem;margin-bottom:4px} .hub-card p{font-size:.78rem}
    .ping-card{padding:14px} .srv-icon-wrap{width:38px;height:38px;font-size:1rem}
}
@media(min-width:480px) and (max-width:767px){
    :root{--section-py:36px;--container-px:20px}
    .hub-card{flex-direction:row;text-align:left;padding:20px 24px;gap:18px;height:auto}
    .hub-card .hub-icon{margin-bottom:0;flex-shrink:0}
}
@media(min-width:768px) and (max-width:991px){
    :root{--section-py:52px;--container-px:24px}
}
@media(min-width:992px){
    :root{--section-py:72px;--container-px:24px}
    .container{max-width:1140px}
    .hub-card{flex-direction:column;text-align:center}
    .hub-card .hub-icon{margin-bottom:20px}
}
@media(min-width:1200px){.container{max-width:1200px}}