/* ============================================================
   Oskolkov Web — estudio de diseño y desarrollo web
   Tema oscuro "cinema" + acento rojo · Archivo / Space Grotesk
   ============================================================ */

:root{
    --bg:#0F172A;
    --bg-2:#0B1220;
    --surface:#18253B;
    --surface-2:#1E2E48;
    --text:#F8FAFC;
    --muted:#94A3B8;
    --muted-2:#64748B;
    --accent:#DC2626;
    --accent-2:#EF4444;
    --accent-soft:rgba(220,38,38,.14);
    --accent-glow:rgba(220,38,38,.40);
    --border:rgba(148,163,184,.14);
    --border-strong:rgba(148,163,184,.26);

    --font-head:'Archivo', system-ui, sans-serif;
    --font-body:'Space Grotesk', system-ui, sans-serif;

    --maxw:1180px;
    --radius:18px;
    --radius-sm:12px;
    --ease:cubic-bezier(.16,1,.3,1);
    --shadow:0 24px 60px -20px rgba(0,0,0,.6);
}

*{ margin:0; padding:0; box-sizing:border-box; }

html{
    scroll-behavior:smooth;
    scroll-padding-top:90px;
}

body{
    font-family:var(--font-body);
    background:var(--bg);
    color:var(--text);
    line-height:1.65;
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
}

/* Arte animado de fondo (canvas de constelación) */
#bg-art{
    position:fixed;
    inset:0;
    width:100%;
    height:100%;
    z-index:-1;
    display:block;
    pointer-events:none;
    opacity:1;
}
@media (prefers-reduced-motion: reduce){
    #bg-art{ display:none; }
}

/* Fondo global: rejilla técnica + resplandores suaves de marca */
body::before{
    content:"";
    position:fixed; inset:0; z-index:-1;
    pointer-events:none;
    background:
        radial-gradient(680px circle at 12% 8%, rgba(220,38,38,.10), transparent 60%),
        radial-gradient(760px circle at 88% 94%, rgba(59,130,246,.08), transparent 60%),
        linear-gradient(rgba(148,163,184,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148,163,184,.045) 1px, transparent 1px);
    background-size:100% 100%, 100% 100%, 46px 46px, 46px 46px;
    background-position:0 0, 0 0, center, center;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }

h1,h2,h3,h4{ font-family:var(--font-head); line-height:1.1; font-weight:800; letter-spacing:-.02em; }

.section{
    max-width:var(--maxw);
    margin:0 auto;
    padding:110px 32px;
}

/* ===== Encabezado de sección ===== */
.section-head{ text-align:center; max-width:640px; margin:0 auto 56px; }
.kicker{
    display:inline-block;
    font-family:var(--font-head);
    font-size:13px;
    font-weight:700;
    letter-spacing:.16em;
    text-transform:uppercase;
    color:var(--accent-2);
    padding:6px 14px;
    border:1px solid var(--accent-soft);
    background:var(--accent-soft);
    border-radius:100px;
    margin-bottom:18px;
}
.section h2{
    font-size:clamp(28px, 4.4vw, 44px);
    margin-bottom:16px;
}
.section-sub{
    color:var(--muted);
    font-size:17px;
}

/* ===== Botones ===== */
.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:9px;
    font-family:var(--font-head);
    font-weight:600;
    font-size:15.5px;
    padding:14px 26px;
    border-radius:100px;
    border:1px solid transparent;
    cursor:pointer;
    transition:transform .35s var(--ease), box-shadow .35s var(--ease), background .25s, color .25s, border-color .25s;
    will-change:transform;
}
.btn svg{ flex-shrink:0; }
.btn-primary{
    background:var(--accent);
    color:#fff;
    box-shadow:0 10px 30px -8px var(--accent-glow);
}
.btn-primary:hover{
    background:var(--accent-2);
    box-shadow:0 16px 42px -8px var(--accent-glow);
    transform:translateY(-2px);
}
.btn-ghost{
    background:rgba(255,255,255,.04);
    border-color:var(--border-strong);
    color:var(--text);
}
.btn-ghost:hover{ background:rgba(255,255,255,.09); transform:translateY(-2px); }
.btn-outline{
    background:transparent;
    border-color:var(--border-strong);
    color:var(--text);
    width:100%;
}
.btn-outline:hover{ border-color:var(--accent); color:var(--accent-2); }

/* ===== HEADER ===== */
#site-header{
    position:fixed;
    top:0; left:0;
    width:100%;
    z-index:1000;
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:16px 32px;
    transition:padding .3s var(--ease), background .3s, border-color .3s, backdrop-filter .3s;
    border-bottom:1px solid transparent;
}
#site-header.scrolled{
    padding:11px 32px;
    background:rgba(15,23,42,.72);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid var(--border);
}
.logo{ display:flex; align-items:center; gap:11px; }
.logo img{ width:38px; height:38px; }
/* Logotipo: marca (SVG) + texto (Montserrat, como el logo original) */
.logo img.logo-mark{ width:auto; height:50px; }
.logo-word{
    font-family:'Montserrat', var(--font-head);
    font-weight:800;
    font-size:29px;
    letter-spacing:-.01em;
    line-height:1;
    color:#fff;
    white-space:nowrap;
}
.logo-word b{ color:var(--accent-2); font-weight:800; }
#site-footer .logo img.logo-mark{ height:42px; }
#site-footer .logo-word{ font-size:24px; }
.logo-text{
    font-family:var(--font-head);
    font-weight:800;
    font-size:21px;
    letter-spacing:-.02em;
    color:var(--text);
}
.logo-text b{ color:var(--accent-2); font-weight:800; }

#main-nav{ display:flex; align-items:center; gap:30px; }
#main-nav > a{
    font-family:var(--font-head);
    font-weight:500;
    font-size:15px;
    color:var(--muted);
    transition:color .2s;
    position:relative;
}
#main-nav > a:hover{ color:var(--text); }
#main-nav > a:not(.nav-cta)::after{
    content:"";
    position:absolute;
    left:0; bottom:-6px;
    width:0; height:2px;
    background:var(--accent);
    border-radius:2px;
    transition:width .3s var(--ease);
}
#main-nav > a:not(.nav-cta):hover::after{ width:100%; }
.nav-cta{
    padding:9px 20px;
    border:1px solid var(--border-strong);
    border-radius:100px;
    color:var(--text)!important;
}
.nav-cta:hover{ background:var(--accent); border-color:var(--accent); }

/* Selector de idioma */
.language-dropdown{ position:relative; }
.flag-ico{
    width:20px; height:auto; border-radius:3px;
    box-shadow:0 0 0 1px rgba(0,0,0,.2);
    flex-shrink:0;
}
.language-btn{
    display:flex; align-items:center; gap:8px;
    background:rgba(255,255,255,.04);
    border:1px solid var(--border-strong);
    border-radius:100px;
    padding:7px 13px;
    cursor:pointer;
    color:var(--text);
    font-family:var(--font-head); font-weight:600; font-size:13.5px;
    transition:background .2s, border-color .2s;
}
.language-btn:hover{ background:rgba(255,255,255,.08); border-color:var(--accent); }
.language-btn .chev{ color:var(--muted); transition:transform .3s var(--ease); }
.language-dropdown.open .chev{ transform:rotate(180deg); }

.language-menu{
    position:absolute; top:calc(100% + 10px); right:0;
    min-width:186px;
    background:rgba(24,37,59,.92);
    backdrop-filter:blur(18px); -webkit-backdrop-filter:blur(18px);
    border:1px solid var(--border-strong);
    border-radius:14px;
    padding:7px;
    box-shadow:var(--shadow);
    display:flex; flex-direction:column; gap:3px;
    opacity:0; transform:translateY(-8px) scale(.97);
    transform-origin:top right;
    pointer-events:none; visibility:hidden;
    transition:opacity .22s var(--ease), transform .22s var(--ease), visibility .22s;
    z-index:50;
}
.language-dropdown.open .language-menu{
    opacity:1; transform:none; pointer-events:auto; visibility:visible;
}
.lang-opt{
    display:flex; align-items:center; gap:11px;
    width:100%;
    background:none; border:none; cursor:pointer;
    padding:10px 12px; border-radius:10px;
    color:var(--muted);
    font-family:var(--font-head); font-weight:500; font-size:14.5px;
    text-align:left;
    transition:background .18s, color .18s;
}
.lang-opt > span{ flex:1; }
.lang-opt:hover{ background:rgba(255,255,255,.06); color:var(--text); }
.lang-opt .check{ color:var(--accent-2); opacity:0; transition:opacity .18s; }
.lang-opt.active{ color:var(--text); background:var(--accent-soft); }
.lang-opt.active .check{ opacity:1; }

/* Botón hamburguesa */
.menu-toggle{
    display:none;
    flex-direction:column; gap:5px;
    background:none; border:none; cursor:pointer;
    padding:8px; margin:-8px;
}
.menu-toggle span{
    width:24px; height:2px; background:var(--text); border-radius:2px;
    transition:transform .3s var(--ease), opacity .2s;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* ===== HERO ===== */
.hero{
    position:relative;
    min-height:100svh;
    display:flex;
    align-items:center;
    justify-content:center;
    text-align:center;
    padding:120px 32px 80px;
    overflow:hidden;
    isolation:isolate;
}
.hero-glow{
    position:absolute;
    border-radius:50%;
    filter:blur(90px);
    z-index:-2;
    opacity:.55;
}
.hero-glow-1{
    width:520px; height:520px;
    background:radial-gradient(circle, rgba(220,38,38,.55), transparent 65%);
    top:-140px; left:50%;
    transform:translateX(-60%);
    animation:floatA 14s ease-in-out infinite;
}
.hero-glow-2{
    width:460px; height:460px;
    background:radial-gradient(circle, rgba(59,130,246,.30), transparent 65%);
    bottom:-160px; right:8%;
    animation:floatB 18s ease-in-out infinite;
}
.hero-grid{
    position:absolute; inset:0; z-index:-3;
    background-image:
        linear-gradient(rgba(148,163,184,.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148,163,184,.05) 1px, transparent 1px);
    background-size:56px 56px;
    mask-image:radial-gradient(ellipse 70% 60% at 50% 40%, #000 30%, transparent 75%);
    -webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 40%, #000 30%, transparent 75%);
}
.hero::after{
    content:"";
    position:absolute; inset:0; z-index:-1;
    background:linear-gradient(180deg, transparent 55%, var(--bg) 100%);
    pointer-events:none;
}
.hero-inner{ max-width:820px; }
.badge{
    display:inline-flex; align-items:center; gap:8px;
    font-family:var(--font-head); font-size:13px; font-weight:600;
    letter-spacing:.06em;
    color:var(--muted);
    padding:7px 16px;
    border:1px solid var(--border);
    background:rgba(255,255,255,.03);
    border-radius:100px;
    margin-bottom:26px;
}
.badge::before{
    content:""; width:7px; height:7px; border-radius:50%;
    background:var(--accent-2); box-shadow:0 0 10px var(--accent-2);
}
.hero-title{
    font-size:clamp(38px, 7vw, 76px);
    font-weight:900;
    letter-spacing:-.03em;
    margin-bottom:24px;
}
.hero-title .line{ display:block; }
.hero-title .accent,
.hero-title .accent .word{
    background:linear-gradient(120deg, var(--accent-2), #fb923c);
    -webkit-background-clip:text; background-clip:text;
    color:transparent;
}
.hero-sub{
    font-size:clamp(16px, 2.2vw, 20px);
    color:var(--muted);
    max-width:600px;
    margin:0 auto 34px;
}
.hero-buttons{
    display:flex; gap:14px; justify-content:center; flex-wrap:wrap;
    margin-bottom:40px;
}
.hero-meta{
    display:flex; align-items:center; justify-content:center;
    gap:16px; flex-wrap:wrap;
    font-size:14.5px; color:var(--muted);
}
.hero-meta b{ color:var(--text); font-family:var(--font-head); }
.hero-meta .dot{ width:4px; height:4px; border-radius:50%; background:var(--muted-2); }

/* ===== SERVICIOS ===== */
.cards{
    display:grid;
    grid-template-columns:repeat(5, 1fr);
    gap:20px;
}
.card{
    background:linear-gradient(180deg, var(--surface), var(--surface-2));
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:30px 26px;
    transition:transform .4s var(--ease), border-color .3s, box-shadow .4s;
    position:relative;
    overflow:hidden;
}
.card::before{
    content:""; position:absolute; inset:0;
    background:radial-gradient(400px circle at 50% 0%, var(--accent-soft), transparent 70%);
    opacity:0; transition:opacity .4s;
}
.card:hover{
    transform:translateY(-8px);
    border-color:var(--border-strong);
    box-shadow:var(--shadow);
}
.card:hover::before{ opacity:1; }
.card-icon{
    width:52px; height:52px;
    display:flex; align-items:center; justify-content:center;
    border-radius:14px;
    background:var(--accent-soft);
    color:var(--accent-2);
    margin-bottom:20px;
}
.card-icon svg{ width:26px; height:26px; }
.card h3{ font-size:19px; margin-bottom:9px; }
.card p{ color:var(--muted); font-size:15px; }

/* ===== CASO ALSISA ===== */
.case-inner{
    display:grid;
    grid-template-columns:1.1fr 1fr;
    gap:56px;
    align-items:center;
}
.browser-frame{
    border-radius:16px;
    overflow:hidden;
    border:1px solid var(--border-strong);
    background:var(--surface);
    box-shadow:var(--shadow);
    transition:transform .5s var(--ease);
}
.browser-frame:hover{ transform:translateY(-6px) scale(1.01); }
.browser-bar{
    display:flex; align-items:center; gap:8px;
    padding:12px 16px;
    background:var(--bg-2);
    border-bottom:1px solid var(--border);
}
.browser-bar span[class^="dot-"]{ width:11px; height:11px; border-radius:50%; }
.dot-r{ background:#ff5f57; } .dot-y{ background:#febc2e; } .dot-g{ background:#28c840; }
.browser-url{
    margin-left:12px;
    font-size:13px; color:var(--muted);
    background:rgba(255,255,255,.05);
    padding:4px 14px; border-radius:100px;
    font-family:var(--font-body);
}
/* Vista previa en vivo (iframe escalado). La imagen de respaldo se ve si el iframe no carga. */
.browser-shot{
    position:relative;
    display:block;
    aspect-ratio:16/10;
    overflow:hidden;
    background:var(--surface-2) url("images/alsisa-case.jpg") center/cover no-repeat;
}
.browser-shot iframe{
    position:absolute; top:0; left:0;
    width:227%; height:227%;      /* 1/0.44 → viewport interno ≈ 2,27× el contenedor */
    border:0;
    transform:scale(.44);
    transform-origin:top left;
    pointer-events:none;          /* no interactivo: es una vista previa */
}
.browser-shot .shot-link{
    position:absolute; inset:0; z-index:2; display:block;
}
.case-text .kicker{ margin-bottom:16px; }
.case-text h2{ font-size:clamp(26px, 3.6vw, 38px); margin-bottom:18px; }
.case-text p{ color:var(--muted); font-size:16.5px; margin-bottom:24px; }
.tags{ list-style:none; display:flex; flex-wrap:wrap; gap:10px; margin-bottom:30px; }
.tags li{
    font-family:var(--font-head); font-size:13px; font-weight:500;
    color:var(--muted);
    padding:6px 14px;
    border:1px solid var(--border);
    border-radius:100px;
    background:rgba(255,255,255,.03);
}

/* ===== DEMOS (capacidades en vivo) ===== */
.demo-grid{
    display:grid;
    grid-template-columns:repeat(2, 1fr);
    gap:22px;
}
.demo-card{
    background:linear-gradient(180deg, var(--surface), var(--surface-2));
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:24px;
    transition:transform .4s var(--ease), border-color .3s, box-shadow .4s;
}
.demo-card:hover{
    transform:translateY(-6px);
    border-color:var(--border-strong);
    box-shadow:var(--shadow);
}
.demo-card h3{ font-size:19px; margin:20px 0 8px; }
.demo-card > p{ color:var(--muted); font-size:15px; }
.demo-note{
    margin-top:12px !important;
    color:var(--accent-2) !important;
    font-family:var(--font-head);
    font-size:13.5px !important;
    font-weight:600;
    display:flex; align-items:center; gap:8px;
}
.demo-note::before{
    content:""; flex-shrink:0;
    width:6px; height:6px; border-radius:50%;
    background:var(--accent-2);
    box-shadow:0 0 8px var(--accent-2);
}

/* Escenario de cada demo */
.demo-stage{
    height:190px;
    border-radius:var(--radius-sm);
    background:var(--bg-2);
    border:1px solid var(--border);
    display:flex;
    align-items:center;
    justify-content:center;
    overflow:hidden;
    position:relative;
}

/* --- Demo 1: idiomas --- */
.demo-lang{ text-align:center; }
.demo-lang-word{
    font-family:var(--font-head);
    font-size:clamp(30px, 4vw, 40px);
    font-weight:900;
    letter-spacing:-.02em;
    min-height:1.2em;
    background:linear-gradient(120deg, var(--text), var(--muted));
    -webkit-background-clip:text; background-clip:text;
    color:transparent;
    transition:opacity .3s var(--ease), transform .3s var(--ease);
}
.demo-lang-word.swap{ opacity:0; transform:translateY(10px); }
.demo-lang-flags{
    display:flex; gap:8px; justify-content:center; margin-top:16px;
}
.demo-flag{
    font-family:var(--font-head);
    font-size:11.5px; font-weight:700; letter-spacing:.06em;
    color:var(--muted-2);
    padding:4px 10px;
    border:1px solid var(--border);
    border-radius:100px;
    transition:all .3s var(--ease);
}
.demo-flag.on{
    color:#fff;
    background:var(--accent);
    border-color:var(--accent);
    box-shadow:0 4px 14px -4px var(--accent-glow);
    transform:scale(1.08);
}

/* --- Demo 2: pantalla adaptable --- */
.demo-device{
    width:200px;
    background:var(--surface);
    border:1.5px solid var(--border-strong);
    border-radius:10px;
    overflow:hidden;
    animation:deviceMorph 7s var(--ease) infinite;
    box-shadow:0 14px 34px -14px rgba(0,0,0,.5);
}
.demo-device-bar{
    display:flex; gap:4px;
    padding:6px 8px;
    background:var(--bg-2);
    border-bottom:1px solid var(--border);
}
.demo-device-bar span{ width:6px; height:6px; border-radius:50%; background:var(--muted-2); opacity:.5; }
.demo-device-body{ padding:9px; display:flex; flex-direction:column; gap:7px; }
.dd-hero{
    height:34px; border-radius:5px;
    background:linear-gradient(120deg, var(--accent-soft), rgba(59,130,246,.14));
}
.dd-cols{ display:flex; gap:6px; }
.dd-block{
    flex:1; height:22px; border-radius:4px;
    background:rgba(148,163,184,.14);
}
.dd-btn{
    height:14px; width:56%; margin:0 auto; border-radius:100px;
    background:var(--accent);
    opacity:.85;
}
@keyframes deviceMorph{
    0%, 32%       { width:200px; }
    46%, 78%      { width:96px;  }
    92%, 100%     { width:200px; }
}
/* En pantalla estrecha los bloques se apilan: flex-wrap hace la magia */
.demo-device .dd-cols{ flex-wrap:wrap; }
.demo-device .dd-block{ min-width:40px; }

/* --- Demo 3: velocidad --- */
.demo-speed{ width:100%; padding:0 22px; display:flex; flex-direction:column; gap:22px; }
.ds-row{ display:flex; align-items:center; gap:12px; }
.ds-label{
    font-family:var(--font-head); font-size:12.5px; font-weight:600;
    color:var(--muted-2);
    width:74px; flex-shrink:0; text-align:right;
}
.ds-label-mine{ color:var(--accent-2); }
.ds-track{
    flex:1; height:10px; border-radius:100px;
    background:rgba(148,163,184,.12);
    overflow:hidden;
}
.ds-bar{ height:100%; border-radius:100px; width:0; }
.ds-slow{
    background:linear-gradient(90deg, #475569, #64748B);
    animation:loadSlow 5s linear infinite;
}
.ds-fast{
    background:linear-gradient(90deg, var(--accent), #fb923c);
    box-shadow:0 0 12px -2px var(--accent-glow);
    animation:loadFast 5s var(--ease) infinite;
}
.ds-time{
    font-family:var(--font-head); font-size:13px; font-weight:700;
    width:44px; flex-shrink:0;
}
.ds-time-slow{ color:var(--muted-2); }
.ds-time-fast{ color:var(--accent-2); }
@keyframes loadSlow{
    0%{ width:0; } 88%{ width:74%; } 96%,100%{ width:100%; }
}
@keyframes loadFast{
    0%{ width:0; } 13%{ width:100%; } 100%{ width:100%; }
}

/* --- Demo 4: tarjeta con tilt 3D --- */
.demo-tilt{
    width:190px; height:120px;
    perspective:600px;
    cursor:pointer;
}
.demo-tilt-inner{
    width:100%; height:100%;
    border-radius:14px;
    background:linear-gradient(135deg, var(--surface-2), var(--surface));
    border:1px solid var(--border-strong);
    display:flex; flex-direction:column;
    align-items:center; justify-content:center; gap:8px;
    transform-style:preserve-3d;
    transition:transform .25s ease-out, box-shadow .3s;
    position:relative;
    overflow:hidden;
    box-shadow:0 14px 30px -14px rgba(0,0,0,.55);
}
.dt-shine{
    position:absolute; inset:0;
    background:radial-gradient(220px circle at var(--sx,50%) var(--sy,50%), rgba(255,255,255,.14), transparent 60%);
    opacity:0; transition:opacity .3s;
}
.demo-tilt:hover .dt-shine{ opacity:1; }
.dt-emoji{ font-size:26px; transform:translateZ(24px); }
.dt-text{
    font-family:var(--font-head); font-size:12.5px; font-weight:600;
    color:var(--muted); letter-spacing:.03em;
    transform:translateZ(18px);
}
/* Balanceo automático mientras nadie lo toca */
@keyframes tiltIdle{
    0%,100%{ transform:rotateX(4deg) rotateY(-6deg); }
    50%    { transform:rotateX(-4deg) rotateY(6deg); }
}
.demo-tilt:not(.live) .demo-tilt-inner{ animation:tiltIdle 5.5s ease-in-out infinite; }

/* ===== PRECIOS ===== */
/* Precios: 3 planes principales  ·o·  Reparación */
.pricing-split{
    display:flex;
    align-items:stretch;
    gap:0;
}
.plans-main{
    flex:3 1 0;
    display:grid;
    grid-template-columns:repeat(3, 1fr);
    gap:18px;
    align-items:stretch;
}
.plans-repair{
    flex:1 1 0;
    display:flex;
}
.plans-repair .plan{ width:100%; }
.pricing-or{
    flex:0 0 auto;
    align-self:stretch;
    display:flex; flex-direction:column; align-items:center;
    padding:0 24px;
}
.pricing-or::before, .pricing-or::after{
    content:""; width:1px; flex:1; background:var(--border);
}
.pricing-or span{
    margin:16px 0;
    width:46px; height:46px; border-radius:50%;
    display:flex; align-items:center; justify-content:center;
    background:var(--surface);
    border:1px solid var(--border-strong);
    color:var(--muted);
    font-family:var(--font-head); font-weight:700; font-size:15px;
}
.plan{
    display:flex; flex-direction:column;
    background:linear-gradient(180deg, var(--surface), var(--surface-2));
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:34px 30px;
    transition:transform .4s var(--ease), border-color .3s, box-shadow .4s;
}
.plan:hover{ transform:translateY(-6px); border-color:var(--border-strong); box-shadow:var(--shadow); }
.plan-featured{
    border-color:var(--accent);
    background:linear-gradient(180deg, rgba(220,38,38,.10), var(--surface-2));
    position:relative;
    box-shadow:0 20px 50px -24px var(--accent-glow);
}
.plan-badge{
    position:absolute; top:-13px; left:50%; transform:translateX(-50%);
    font-family:var(--font-head); font-size:12px; font-weight:700;
    letter-spacing:.05em; text-transform:uppercase;
    color:#fff; background:var(--accent);
    padding:6px 16px; border-radius:100px;
    box-shadow:0 8px 20px -6px var(--accent-glow);
}

/* Reparación: tarjeta de entrada, más modesta que las 3 principales */
.plan-lite{
    background:var(--bg-2);
    border:1px dashed var(--border-strong);
    box-shadow:none;
}
.plan-lite:hover{ border-color:var(--accent); box-shadow:var(--shadow); }
.plan-tag{
    align-self:flex-start;
    font-family:var(--font-head); font-size:11px; font-weight:700;
    letter-spacing:.09em; text-transform:uppercase;
    color:var(--muted);
    padding:5px 12px; border:1px solid var(--border); border-radius:100px;
    margin-bottom:14px;
}
.plan-lite .plan-price .amount{ font-size:44px; }
.plan-price .from{
    align-self:center;
    font-family:var(--font-head); font-size:14px; font-weight:600;
    color:var(--muted); margin-right:2px;
}
.plan-name{ font-size:22px; margin-bottom:10px; }
.plan-price{ display:flex; align-items:flex-start; gap:3px; margin-bottom:6px; }
.plan-price .amount{ font-family:var(--font-head); font-size:52px; font-weight:900; line-height:1; letter-spacing:-.03em; }
.plan-price .cur{ font-family:var(--font-head); font-size:24px; font-weight:700; color:var(--muted); margin-top:6px; }
.plan-for{ color:var(--muted); font-size:15px; margin-bottom:22px; }
.plan-feats{ list-style:none; display:flex; flex-direction:column; gap:13px; margin-bottom:28px; flex:1; }
.plan-feats li{
    display:flex; align-items:flex-start; gap:11px;
    font-size:15px; color:var(--text);
}
.plan-feats li::before{
    content:"";
    flex-shrink:0; margin-top:3px;
    width:18px; height:18px; border-radius:50%;
    background:var(--accent-soft);
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23EF4444' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
    background-repeat:no-repeat; background-position:center;
}
.pricing-note{
    text-align:center; color:var(--muted-2); font-size:14px;
    margin-top:28px; max-width:620px; margin-left:auto; margin-right:auto;
}

/* ===== POR QUÉ RÁPIDO ===== */
.why{ max-width:100%; padding-left:0; padding-right:0; }
.why{
    background:var(--bg-2);
    border-top:1px solid var(--border);
    border-bottom:1px solid var(--border);
}
.why .section-head, .why .why-grid{ max-width:var(--maxw); margin-left:auto; margin-right:auto; }
.why-grid{
    display:grid; grid-template-columns:repeat(4,1fr); gap:24px;
    padding:0 32px;
}
.why-item{
    padding:28px 22px;
    border-left:2px solid var(--accent);
    background:linear-gradient(90deg, var(--accent-soft), transparent 80%);
    border-radius:0 var(--radius-sm) var(--radius-sm) 0;
}
.why-value{
    font-family:var(--font-head); font-weight:900;
    font-size:30px; letter-spacing:-.02em;
    color:var(--accent-2);
    margin-bottom:10px;
}
.why-item h3{ font-size:17px; margin-bottom:8px; }
.why-item p{ color:var(--muted); font-size:14.5px; }

/* ===== CONTACTO ===== */
.contact-inner{
    max-width:720px; margin:0 auto; text-align:center;
    background:linear-gradient(180deg, var(--surface), var(--surface-2));
    border:1px solid var(--border);
    border-radius:24px;
    padding:52px 44px;
    box-shadow:var(--shadow);
}
.contact-inner .kicker{ margin-bottom:16px; }
#quote-form{
    display:grid; grid-template-columns:1fr 1fr; gap:18px;
    margin-top:34px; text-align:left;
}
.field{ display:flex; flex-direction:column; gap:8px; }
.field-full{ grid-column:1 / -1; }
.field label{ font-family:var(--font-head); font-size:14px; font-weight:500; color:var(--muted); }
.field-hint{ font-size:13px; color:var(--muted-2); margin-top:-1px; }
#quote-form input[type="text"],
#quote-form textarea{
    width:100%;
    background:var(--bg);
    border:1px solid var(--border-strong);
    border-radius:12px;
    padding:14px 16px;
    color:var(--text);
    font-family:var(--font-body); font-size:15.5px;
    transition:border-color .2s, box-shadow .2s;
    resize:vertical;
}
#quote-form input::placeholder, #quote-form textarea::placeholder{ color:var(--muted-2); }
#quote-form input:focus, #quote-form textarea:focus{
    outline:none;
    border-color:var(--accent);
    box-shadow:0 0 0 3px var(--accent-soft);
}
.consent{
    display:flex; align-items:flex-start; gap:11px;
    font-size:14px; color:var(--muted);
}
.consent input{ width:18px; height:18px; margin-top:2px; flex-shrink:0; accent-color:var(--accent); cursor:pointer; }
.consent a{ color:var(--accent-2); text-decoration:underline; }
#submit-button{ margin-top:4px; }

/* ===== FOOTER ===== */
#site-footer{
    background:var(--bg-2);
    border-top:1px solid var(--border);
    padding:56px 32px 28px;
}
.footer-inner{
    max-width:var(--maxw); margin:0 auto;
    display:flex; justify-content:space-between; gap:40px; flex-wrap:wrap;
    padding-bottom:36px; border-bottom:1px solid var(--border);
}
.footer-brand{ max-width:320px; }
.footer-brand .logo{ margin-bottom:14px; }
.footer-brand p{ color:var(--muted); font-size:15px; }
.footer-contact h4{ font-family:var(--font-head); font-size:15px; margin-bottom:14px; color:var(--text); }
.footer-contact p{ margin-bottom:9px; }
.footer-contact a{ color:var(--muted); font-size:15px; transition:color .2s; }
.footer-contact a:hover{ color:var(--accent-2); }
.footer-bottom{
    max-width:var(--maxw); margin:22px auto 0;
    display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap;
    color:var(--muted-2); font-size:13.5px;
}

/* ============================================================
   ANIMACIONES
   ============================================================ */
@keyframes floatA{ 0%,100%{ transform:translateX(-60%) translateY(0); } 50%{ transform:translateX(-55%) translateY(30px); } }
@keyframes floatB{ 0%,100%{ transform:translateY(0); } 50%{ transform:translateY(-40px); } }
@keyframes wordUp{ to{ opacity:1; transform:none; } }

/* Reveal al hacer scroll (base = visible; se oculta solo si hay motion permitido) */
.reveal{ opacity:1; }

@media (prefers-reduced-motion: no-preference){
    .reveal{
        opacity:0;
        transform:translateY(28px);
        transition:opacity .7s var(--ease), transform .7s var(--ease);
        transition-delay:calc(var(--ri, 0) * 80ms);
    }
    .reveal.visible{ opacity:1; transform:none; }

    /* Aparición de palabras del hero */
    .hero-title .word{
        display:inline-block;
        opacity:0;
        transform:translateY(1.05em);
        animation:wordUp .85s var(--ease) forwards;
        animation-delay:calc(var(--wi) * .07s + .12s);
    }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px){
    .cards{ grid-template-columns:repeat(3, 1fr); }
    .demo-grid{ grid-template-columns:1fr; max-width:560px; margin:0 auto; }
    .pricing-split{ flex-direction:column; max-width:440px; margin:0 auto; }
    .plans-main{ grid-template-columns:1fr; gap:20px; }
    .pricing-or{ flex-direction:row; align-self:auto; padding:24px 0; }
    .pricing-or::before, .pricing-or::after{ width:auto; height:1px; }
    .pricing-or span{ margin:0 16px; }
    .why-grid{ grid-template-columns:repeat(2, 1fr); }
    .case-inner{ gap:40px; }
}

@media (max-width: 768px){
    .section{ padding:76px 20px; }
    .why-grid{ padding:0 20px; }

    /* Header + menú móvil */
    #site-header{ padding:13px 18px; }
    #site-header.scrolled{ padding:11px 18px; }
    .logo img.logo-mark{ height:42px; }
    .logo-word{ font-size:25px; }
    .menu-toggle{ display:flex; }
    #main-nav{
        position:absolute;
        top:100%; left:0; right:0;
        flex-direction:column;
        align-items:stretch;
        gap:0;
        padding:14px 18px 22px;
        background:rgba(15,23,42,.97);
        backdrop-filter:blur(16px);
        -webkit-backdrop-filter:blur(16px);
        border-bottom:1px solid var(--border);
        box-shadow:var(--shadow);
        transform:translateY(-12px);
        opacity:0;
        visibility:hidden;
        pointer-events:none;
        transition:opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
    }
    #main-nav.open{ opacity:1; visibility:visible; transform:none; pointer-events:auto; }
    #main-nav > a{
        padding:15px 6px;
        font-size:17px;
        color:var(--text);
        border-bottom:1px solid var(--border);
    }
    #main-nav > a::after{ display:none; }
    .nav-cta{
        margin-top:14px; text-align:center;
        border:none!important; background:var(--accent);
        padding:15px!important;
    }

    #main-nav .language-dropdown{ width:100%; margin-top:10px; }
    #main-nav .language-btn{ display:none; }
    #main-nav .language-menu{
        position:static;
        min-width:0;
        opacity:1; transform:none; visibility:visible; pointer-events:auto;
        flex-direction:row; justify-content:center; flex-wrap:wrap; gap:10px;
        background:transparent; border:none; box-shadow:none;
        backdrop-filter:none; -webkit-backdrop-filter:none;
        padding:0;
    }
    #main-nav .lang-opt{
        width:auto;
        background:rgba(255,255,255,.06);
        border:1px solid var(--border);
        border-radius:100px;
        padding:9px 16px;
    }
    #main-nav .lang-opt.active{ border-color:var(--accent); }
    #main-nav .lang-opt .check{ display:none; }

    /* Hero */
    .hero{ padding:110px 22px 70px; }
    .hero-buttons .btn{ width:100%; max-width:320px; }

    /* Caso */
    .case-inner{ grid-template-columns:1fr; gap:32px; }
    .case-media{ order:-1; }

    /* Contacto */
    .contact-inner{ padding:38px 24px; }
    #quote-form{ grid-template-columns:1fr; }

    .footer-inner{ flex-direction:column; gap:28px; }
    .footer-bottom{ flex-direction:column; gap:8px; text-align:center; }
}

@media (max-width: 460px){
    .cards{ grid-template-columns:1fr; }
    .why-grid{ grid-template-columns:1fr; }
    .hero-meta{ gap:10px; }
}

/* Respeto total a quien pide menos movimiento */
@media (prefers-reduced-motion: reduce){
    *{ animation:none!important; transition:none!important; scroll-behavior:auto!important; }
    .hero-glow{ animation:none; }
    /* Las demos quedan en un estado final legible */
    .ds-slow{ width:74%; }
    .ds-fast{ width:100%; }
}