/* ==================== Tokens ==================== */
:root{
  --bg:#F5F8FC;
  --bg-elevated:#FFFFFF;
  --bg-soft:#EEF3FA;
  --text:#0B1220;
  --text-muted:#4B5568;
  --navy:#0B1F3A;
  --blue:#2563EB;
  --blue-dark:#1447C4;
  --cyan:#06B6D4;
  --border:#E2E8F0;
  --shadow:0 10px 30px -12px rgba(11,31,58,.18);
  --shadow-lg:0 25px 60px -15px rgba(11,31,58,.28);
  --radius:16px;
  --radius-sm:10px;
  --grad: linear-gradient(135deg,#2563EB 0%,#06B6D4 100%);
  --grad-soft: linear-gradient(135deg, rgba(37,99,235,.12), rgba(6,182,212,.12));
  --maxw:1180px;
  --ff: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color-scheme: light;
}
:root[data-theme="dark"]{
  --bg:#070D18;
  --bg-elevated:#0F1B2E;
  --bg-soft:#111F35;
  --text:#EAF1FB;
  --text-muted:#93A4BE;
  --border:#1D2B42;
  --shadow:0 10px 30px -12px rgba(0,0,0,.5);
  --shadow-lg:0 25px 60px -15px rgba(0,0,0,.6);
  --grad-soft: linear-gradient(135deg, rgba(37,99,235,.22), rgba(6,182,212,.16));
  color-scheme: dark;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--ff);
  background:var(--bg);
  color:var(--text);
  transition:background .3s ease, color .3s ease;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.15;letter-spacing:-.02em}
p{margin:0 0 1em;color:var(--text-muted);line-height:1.7}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-999px;top:0;background:var(--blue);color:#fff;padding:10px 16px;border-radius:0 0 8px 0;z-index:999}
.skip-link:focus{left:0}

/* ==================== Buttons ==================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:999px;border:1px solid transparent;
  font-weight:600;font-size:.95rem;cursor:pointer;transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 8px 24px -8px rgba(37,99,235,.55)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px -8px rgba(37,99,235,.65)}
.btn--ghost{background:transparent;border-color:var(--border);color:var(--text)}
.btn--ghost:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
.btn--light{background:#fff;color:var(--navy)}
.btn--light:hover{transform:translateY(-2px)}
.btn--sm{padding:9px 18px;font-size:.85rem}
.btn--block{width:100%}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}

/* ==================== Navbar ==================== */
.navbar{
  position:sticky;top:0;z-index:100;
  background:color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s ease, box-shadow .3s ease, background .3s ease;
}
.navbar.is-scrolled{border-color:var(--border);box-shadow:0 6px 24px -18px rgba(0,0,0,.3)}
.navbar__inner{display:flex;align-items:center;justify-content:space-between;height:76px;gap:20px}
.brand{display:flex;align-items:center;gap:10px}
.brand__logo{height:46px;width:auto;display:block}
:root[data-theme="dark"] .brand__logo{filter:brightness(1.6) contrast(.9)}
.nav{display:flex;align-items:center;gap:30px}
.nav a{font-size:.92rem;font-weight:500;color:var(--text-muted);position:relative;padding:6px 0;transition:color .2s ease}
.nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--grad);transition:width .25s ease;border-radius:2px}
.nav a:hover{color:var(--text)}
.nav a:hover::after{width:100%}
.nav a.active{color:var(--text)}
.nav a.active::after{width:100%}
.navbar__actions{display:flex;align-items:center;gap:10px}
.theme-toggle{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--border);background:var(--bg-elevated);
  display:flex;align-items:center;justify-content:center;color:var(--text);transition:transform .3s ease, border-color .2s ease;
}
.theme-toggle:hover{border-color:var(--blue);transform:rotate(20deg)}
.theme-toggle svg{fill:none;stroke:currentColor;stroke-width:1.8}
.theme-toggle .icon-moon{display:none;fill:currentColor;stroke:none}
:root[data-theme="dark"] .theme-toggle .icon-sun{display:none}
:root[data-theme="dark"] .theme-toggle .icon-moon{display:block}
.navbar__cta{display:inline-flex}
.hamburger{display:none;width:38px;height:38px;border:none;background:transparent;flex-direction:column;justify-content:center;gap:5px;align-items:center}
.hamburger span{width:20px;height:2px;background:var(--text);border-radius:2px;transition:transform .3s ease,opacity .3s ease}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-menu{
  display:flex;flex-direction:column;gap:2px;max-height:0;overflow:hidden;
  background:var(--bg-elevated);border-bottom:1px solid transparent;
  transition:max-height .35s ease, border-color .3s ease;
}
.mobile-menu.is-open{max-height:480px;border-color:var(--border)}
.mobile-menu a{padding:14px 24px;font-weight:500;border-bottom:1px solid var(--border)}
.mobile-menu .btn{margin:14px 24px}

/* ==================== Layout helpers ==================== */
main{display:block;min-height:60vh}
.section{padding:96px 0}
.section--tight{padding:64px 0}
.section--soft{background:var(--bg-soft)}
.page-hero{position:relative;overflow:hidden}
.page-hero .hero__particles{z-index:0}
.page-hero > .container{position:relative;z-index:1}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--blue);background:var(--grad-soft);padding:7px 14px;border-radius:999px;margin-bottom:18px;
}
.section__head{max-width:640px;margin:0 0 48px}
.section__head.center{margin-left:auto;margin-right:auto;text-align:center}
.section__head h2{font-size:clamp(1.7rem,3vw,2.4rem)}
.grid{display:grid;gap:28px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.2,.7,.3,1), transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.is-visible{opacity:1;transform:translateY(0)}

/* ==================== Hero ==================== */
.hero{position:relative;overflow:hidden;min-height:600px;display:flex;align-items:center;padding:96px 0 60px}
.hero__video-bg{position:absolute;inset:0;z-index:0}
.hero__video-bg video{width:100%;height:100%;display:block;object-fit:cover}
.hero__overlay{
  position:absolute;inset:0;z-index:1;
  background:
    radial-gradient(ellipse 65% 75% at 50% 42%, rgba(4,9,18,.88), transparent 70%),
    linear-gradient(rgba(4,9,18,.5), rgba(4,9,18,.5));
}
.hero__particles{position:absolute;inset:0;z-index:2;display:block;width:100%;height:100%;pointer-events:none}
.hero__inner{position:relative;z-index:3;width:100%;text-align:center}
.hero__inner > div{max-width:680px;margin:0 auto}
.hero h1{font-size:clamp(2.2rem,4.4vw,3.4rem);color:#fff}
.hero h1 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__lead{font-size:1.08rem;max-width:560px;color:rgba(255,255,255,.82);margin-left:auto;margin-right:auto}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:8px;justify-content:center}
.hero .eyebrow{background:rgba(255,255,255,.14);color:#fff}
.hero .btn--ghost{border-color:rgba(255,255,255,.4);color:#fff}
.hero .btn--ghost:hover{border-color:#fff;color:#fff}

/* ==================== Stats ==================== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{text-align:center;padding:28px 16px;border-radius:var(--radius);background:var(--bg-elevated);border:1px solid var(--border)}
.stat strong{display:block;font-size:clamp(1.8rem,3vw,2.4rem);background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:800}
.stat span{font-size:.85rem;color:var(--text-muted)}

/* ==================== Cards ==================== */
.card{
  background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);
  padding:30px;transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.card__icon{width:52px;height:52px;border-radius:14px;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;margin-bottom:20px;flex-shrink:0}
.card__icon svg{stroke:currentColor;fill:none;stroke-width:1.7}
.card__icon img{width:26px;height:26px;object-fit:contain}
.card h3{font-size:1.15rem}
.card__list{list-style:none;margin:16px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}
.card__list li{display:flex;gap:8px;font-size:.88rem;color:var(--text-muted)}
.card__list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);margin-top:7px;flex-shrink:0}
.card__link{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-weight:600;color:var(--blue);font-size:.88rem}
.card__link svg{transition:transform .2s ease}
.card:hover .card__link svg{transform:translateX(4px)}

/* ==================== Service page blocks ==================== */
.service-block{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center;padding:64px 0;border-bottom:1px solid var(--border)}
.service-block:last-child{border-bottom:none}
.service-block:nth-child(even){direction:rtl}
.service-block:nth-child(even) > *{direction:ltr}
.service-block__visual{
  aspect-ratio:4/3;border-radius:var(--radius);background:var(--grad-soft);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;
}
.service-block__visual svg{width:46%;height:46%;color:var(--blue);opacity:.9}
.service-block__visual img{width:100%;height:100%;object-fit:cover;display:block}
.service-block__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.tag{font-size:.75rem;font-weight:600;padding:6px 12px;border-radius:999px;background:var(--bg-soft);border:1px solid var(--border);color:var(--text-muted)}

/* ==================== Casos de éxito / trayectoria ==================== */
.logo-marquee{overflow:hidden;margin-top:8px;-webkit-mask-image:linear-gradient(90deg,transparent,black 10%,black 90%,transparent);mask-image:linear-gradient(90deg,transparent,black 10%,black 90%,transparent)}
.logo-marquee__track{display:flex;align-items:center;gap:20px;width:max-content;animation:marqueeScroll 22s linear infinite}
.logo-marquee:hover .logo-marquee__track{animation-play-state:paused}
@keyframes marqueeScroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.logo-chip{
  flex-shrink:0;min-width:160px;height:72px;display:flex;align-items:center;justify-content:center;
  background:#FFFFFF;border:1px solid var(--border);border-radius:var(--radius-sm);
  box-shadow:var(--shadow);padding:14px 26px;
}
.logo-chip img{max-height:100%;max-width:100%;width:auto;height:auto;object-fit:contain}
.logo-chip--lg{padding:6px 22px}

.client-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.client-card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:transform .3s ease,box-shadow .3s ease}
.client-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.client-card__top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px}
.client-card__top h3{font-size:1.1rem;margin:0}
.client-card__period{flex-shrink:0;font-size:.72rem;font-weight:700;color:var(--text-muted);background:var(--bg-soft);border:1px solid var(--border);padding:4px 10px;border-radius:999px}
.client-card__label{display:block;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--blue);margin-bottom:10px}

.distinguish-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 24px;margin-top:8px}
.distinguish-item{display:flex;align-items:flex-start;gap:10px;font-size:.92rem;color:var(--text)}
.distinguish-item svg{flex-shrink:0;margin-top:3px;color:#22C55E;stroke:currentColor}
.distinguish-callout{margin-top:32px;background:var(--bg-soft);border-left:4px solid var(--blue);border-radius:0 var(--radius) var(--radius) 0;padding:26px 30px}
.distinguish-callout p{margin:0;font-size:1rem;color:var(--text);font-weight:500}

/* ==================== CTA band ==================== */
.cta-band{
  background:var(--navy);background-image:radial-gradient(ellipse 60% 100% at 20% 0%, rgba(37,99,235,.5), transparent),radial-gradient(ellipse 60% 100% at 90% 100%, rgba(6,182,212,.35), transparent);
  border-radius:24px;padding:64px;text-align:center;color:#fff;
}
.cta-band h2{color:#fff}
.cta-band p{color:#B9C6DE;max-width:560px;margin-inline:auto}
.cta-band .hero__cta{justify-content:center}

/* ==================== About page ==================== */

/* Misión / Visión / Objetivos — tarjetas 3D que voltean al hacer clic o Enter */
.mvo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.mvo-card{perspective:1600px;height:300px;cursor:pointer;outline:none;border-radius:var(--radius)}
.mvo-card:focus-visible{box-shadow:0 0 0 3px rgba(37,99,235,.45)}
.mvo-card__inner{position:relative;width:100%;height:100%;transition:transform .7s cubic-bezier(.2,.8,.2,1);transform-style:preserve-3d}
.mvo-card:hover .mvo-card__inner{transform:translateY(-4px)}
.mvo-card.is-flipped .mvo-card__inner{transform:rotateY(180deg)}
.mvo-card.is-flipped:hover .mvo-card__inner{transform:rotateY(180deg)}
.mvo-card__face{
  position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:var(--radius);
  padding:34px 30px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
  box-shadow:var(--shadow);overflow:auto;
}
.mvo-card__face--front{background:var(--grad);color:#fff}
.mvo-card:nth-child(2) .mvo-card__face--front{background:linear-gradient(135deg,#0B1F3A,#2563EB)}
.mvo-card:nth-child(3) .mvo-card__face--front{background:linear-gradient(135deg,#06B6D4,#0B1F3A)}
.mvo-card__num{position:absolute;top:18px;left:22px;font-size:.74rem;font-weight:800;letter-spacing:.06em;opacity:.55}
.mvo-card__icon{width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:#fff}
.mvo-card__icon svg{stroke:currentColor;fill:none;stroke-width:1.7}
.mvo-card__face--front h3{font-size:1.35rem;margin-bottom:8px}
.mvo-card__hint{font-size:.82rem;opacity:.85;margin-bottom:20px}
.mvo-card__flip-cta{display:inline-flex;align-items:center;gap:6px;font-size:.76rem;font-weight:700;background:rgba(255,255,255,.16);padding:8px 16px;border-radius:999px}
.mvo-card__face--back{background:var(--bg-elevated);border:1px solid var(--border);transform:rotateY(180deg);text-align:left;align-items:flex-start;justify-content:center}
.mvo-card__icon--sm{width:44px;height:44px;border-radius:12px;background:var(--grad-soft);color:var(--blue);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.mvo-card__icon--sm svg{stroke:currentColor;fill:none;stroke-width:1.7}
.mvo-card__face--back h3{font-size:1.1rem;margin-bottom:10px;color:var(--text)}
.mvo-card__face--back p{font-size:.92rem;color:var(--text-muted);margin:0}

.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.pillar{padding:26px;border-radius:var(--radius);background:var(--bg-elevated);border:1px solid var(--border);text-align:left}
.pillar__icon{width:44px;height:44px;border-radius:12px;background:var(--grad-soft);color:var(--blue);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.pillar__icon svg{stroke:currentColor;fill:none;stroke-width:1.8}
.timeline{display:flex;flex-direction:column;gap:0;border-left:2px solid var(--border);margin-left:10px}
.timeline__item{position:relative;padding:0 0 40px 34px}
.timeline__item:last-child{padding-bottom:0}
.timeline__item::before{content:"";position:absolute;left:-7px;top:2px;width:12px;height:12px;border-radius:50%;background:var(--grad);box-shadow:0 0 0 4px var(--bg)}
.timeline__item h4{margin-bottom:4px;font-size:1.02rem}

/* ==================== Nuestras Soluciones ==================== */
.solutions-accordion{display:flex;flex-direction:column;gap:18px;max-width:900px;margin:0 auto}

.solution-item{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:box-shadow .3s ease,border-color .3s ease}
.solution-item.is-open{box-shadow:var(--shadow-lg);border-color:transparent}
.solution-item__header{
  width:100%;display:flex;align-items:center;gap:18px;padding:22px 26px;background:transparent;border:none;
  text-align:left;cursor:pointer;color:var(--text);
}
.solution-item__icon{
  width:50px;height:50px;border-radius:14px;background:var(--grad-soft);color:var(--blue);flex-shrink:0;
  display:flex;align-items:center;justify-content:center;transition:background .3s ease,color .3s ease;
}
.solution-item.is-open .solution-item__icon{background:var(--grad);color:#fff}
.solution-item__heading{flex:1;display:flex;flex-direction:column;gap:3px;min-width:0}
.solution-item__heading strong{font-size:1.1rem}
.solution-item__heading span{font-size:.85rem;color:var(--text-muted)}
.solution-item__chevron{flex-shrink:0;color:var(--text-muted);transition:transform .3s ease,color .3s ease}
.solution-item.is-open .solution-item__chevron{transform:rotate(180deg);color:var(--blue)}

.solution-item__body{max-height:0;overflow:hidden;transition:max-height .45s cubic-bezier(.2,.7,.3,1)}
.solution-item__body-inner{padding:0 26px 30px}
.solution-item__body-inner h3{font-size:1.25rem;margin-bottom:6px}
.solution-item__tagline{color:var(--blue);font-weight:600;font-size:.92rem;margin-bottom:12px}
.solution-item__cols{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:18px}
.solution-item__cols h4{font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text);margin-bottom:10px}
.check-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
.check-list li{display:flex;gap:8px;align-items:flex-start;font-size:.87rem;color:var(--text-muted)}
.check-list li svg{flex-shrink:0;color:#22C55E;stroke:currentColor;margin-top:2px}

.ecosystem-callout{max-width:800px;margin:0 auto;text-align:center}
.ecosystem-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:22px}

/* ==================== Contact ==================== */
.contact-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:start}
.form-card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);padding:36px;box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.field label{font-size:.85rem;font-weight:600}
.field input,.field select,.field textarea{
  padding:12px 14px;border-radius:10px;border:1px solid var(--border);background:var(--bg);color:var(--text);
  font-family:inherit;font-size:.92rem;transition:border-color .2s ease, box-shadow .2s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,235,.15)}
.field textarea{resize:vertical;min-height:110px}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:#EF4444}
.field__error{font-size:.78rem;color:#EF4444;min-height:16px}
.form-success{display:flex;flex-direction:column;align-items:center;text-align:center;gap:14px;padding:30px 10px}
.form-success svg{color:#22C55E;width:52px;height:52px}
.spinner{width:16px;height:16px;border-radius:50%;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.contact-info{display:flex;flex-direction:column;gap:16px}
.info-card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);padding:22px;display:flex;gap:14px;align-items:flex-start}
.info-card__icon{width:42px;height:42px;border-radius:12px;background:var(--grad-soft);color:var(--blue);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.info-card__icon svg{stroke:currentColor;fill:none;stroke-width:1.8}
.info-card h4{margin-bottom:4px;font-size:.95rem}
.info-card p, .info-card a{margin:0;font-size:.86rem}

/* ==================== 404 ==================== */
.notfound{text-align:center;padding:120px 0}
.notfound strong{font-size:5rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ==================== Chatbot ==================== */
.chatbot{position:fixed;right:24px;bottom:24px;z-index:200}
.chatbot__fab{
  width:60px;height:60px;border-radius:50%;background:var(--grad);border:none;color:#fff;
  display:flex;align-items:center;justify-content:center;box-shadow:0 12px 28px -8px rgba(37,99,235,.6);
  position:relative;transition:transform .25s ease;
}
.chatbot__fab:hover{transform:scale(1.06)}
.chatbot__fab svg{stroke:currentColor;fill:none;stroke-width:1.8}
.chatbot__fab .icon-close{display:none;position:absolute}
.chatbot.is-open .chatbot__fab .icon-chat{display:none}
.chatbot.is-open .chatbot__fab .icon-close{display:block}
.chatbot__pulse{position:absolute;inset:-4px;border-radius:50%;border:2px solid var(--cyan);animation:pulse 2.4s ease-out infinite}
.chatbot.is-open .chatbot__pulse{display:none}
@keyframes pulse{0%{transform:scale(.9);opacity:.8}100%{transform:scale(1.35);opacity:0}}

.chatbot__panel{
  position:absolute;bottom:76px;right:0;width:360px;max-width:calc(100vw - 40px);height:480px;max-height:70vh;
  background:var(--bg-elevated);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow-lg);
  display:flex;flex-direction:column;overflow:hidden;
  opacity:0;transform:translateY(16px) scale(.97);pointer-events:none;transition:opacity .25s ease, transform .25s ease;
}
.chatbot.is-open .chatbot__panel{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}
.chatbot__header{background:var(--grad);color:#fff;padding:16px 18px;display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.chatbot__header strong{display:block;font-size:.95rem}
.chatbot__status{display:flex;align-items:center;gap:6px;font-size:.74rem;opacity:.9}
.chatbot__status i{width:6px;height:6px;border-radius:50%;background:#4ADE80;display:inline-block}
.chatbot__clear{flex-shrink:0;font-size:.72rem;font-weight:600;color:#fff;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:5px 12px;transition:background .2s ease}
.chatbot__clear:hover{background:rgba(255,255,255,.3)}
.chatbot__messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px}
.msg{max-width:82%;padding:10px 14px;border-radius:14px;font-size:.86rem;line-height:1.5;animation:msgIn .25s ease}
@keyframes msgIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.msg--bot{align-self:flex-start;background:var(--bg-soft);border-bottom-left-radius:4px}
.msg--bot ul{margin:6px 0 0;padding-left:18px}
.msg--bot li{margin-bottom:2px}
.msg--bot a{color:var(--blue);font-weight:600}
.msg--bot strong{color:var(--text)}
.msg--user{align-self:flex-end;background:var(--grad);color:#fff;border-bottom-right-radius:4px}
.msg--typing{align-self:flex-start;background:var(--bg-soft);display:flex;gap:4px;padding:14px;border-bottom-left-radius:4px}
.msg--typing span{width:6px;height:6px;border-radius:50%;background:var(--text-muted);animation:blink 1.2s infinite}
.msg--typing span:nth-child(2){animation-delay:.2s}
.msg--typing span:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{opacity:.3}40%{opacity:1}}
.chatbot__quick{display:flex;flex-wrap:wrap;gap:6px;padding:0 14px 10px}
.chip-btn{font-size:.76rem;font-weight:600;padding:7px 12px;border-radius:999px;background:var(--bg-soft);border:1px solid var(--border);color:var(--text);transition:border-color .2s ease}
.chip-btn:hover{border-color:var(--blue);color:var(--blue)}
.chatbot__input{display:flex;gap:8px;padding:12px 14px;border-top:1px solid var(--border)}
.chatbot__input input{flex:1;border:1px solid var(--border);background:var(--bg);border-radius:10px;padding:10px 12px;color:var(--text);font-family:inherit;font-size:.86rem}
.chatbot__input input:focus{outline:none;border-color:var(--blue)}
.chatbot__input button{width:38px;height:38px;border-radius:10px;background:var(--grad);border:none;color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0}

/* ==================== Toast ==================== */
.toast{
  position:fixed;left:50%;bottom:28px;transform:translate(-50%,140%);background:var(--navy);color:#fff;
  padding:14px 22px;border-radius:12px;font-size:.88rem;font-weight:600;box-shadow:var(--shadow-lg);z-index:300;
  transition:transform .35s cubic-bezier(.2,.8,.3,1);display:flex;align-items:center;gap:10px;
}
.toast.is-visible{transform:translate(-50%,0)}

/* ==================== Footer ==================== */
.footer{border-top:1px solid var(--border);margin-top:60px;padding-top:56px;background:var(--bg-soft)}
.footer__inner{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px}
.footer__brand{display:flex;gap:12px}
.footer__logo{height:34px;width:auto;display:block;margin-bottom:10px}
:root[data-theme="dark"] .footer__logo{filter:brightness(1.6) contrast(.9)}
.footer__brand p{font-size:.85rem;max-width:280px}
.footer__col{display:flex;flex-direction:column;gap:10px}
.footer__col h4{font-size:.85rem;margin-bottom:4px}
.footer__col a,.footer__col span{font-size:.85rem;color:var(--text-muted)}
.footer__col a:hover{color:var(--blue)}
.footer__bottom{border-top:1px solid var(--border);padding:20px 24px;display:flex;justify-content:space-between;font-size:.78rem;color:var(--text-muted);flex-wrap:wrap;gap:8px}

/* ==================== Page transition ==================== */
.view-enter{animation:viewIn .45s cubic-bezier(.2,.7,.3,1)}
@keyframes viewIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}

/* ==================== Responsive ==================== */
@media(max-width:980px){
  .nav,.navbar__cta{display:none}
  .hamburger{display:flex}
  .hero{min-height:560px;padding:120px 0 90px}
  .grid--3,.grid--4,.client-grid,.blog-grid,.pillars{grid-template-columns:repeat(2,1fr)}
  .service-block,.contact-layout{grid-template-columns:1fr}
  .service-block:nth-child(even){direction:ltr}
  .footer__inner{grid-template-columns:1fr 1fr}
  .stats,.distinguish-grid{grid-template-columns:repeat(2,1fr)}
  .mvo-grid{grid-template-columns:1fr;max-width:520px;margin:0 auto;gap:22px}
  .mvo-card{height:320px}
}
@media(max-width:640px){
  .brand__logo{height:36px}
  .section{padding:64px 0}
  .hero{min-height:520px;padding:110px 0 70px}
  .hero__overlay{background:linear-gradient(180deg, rgba(4,9,18,.7) 0%, rgba(4,9,18,.92) 55%, rgba(4,9,18,.96) 100%)}
  .grid--3,.grid--4,.client-grid,.blog-grid,.pillars,.stats,.form-row,.distinguish-grid{grid-template-columns:1fr}
  .footer__inner{grid-template-columns:1fr}
  .cta-band{padding:40px 24px}
  .chatbot{right:16px;bottom:16px}
  .solution-item__header{padding:18px 18px;gap:12px}
  .solution-item__body-inner{padding:0 18px 24px}
  .solution-item__cols{grid-template-columns:1fr}
  .chatbot__panel{width:calc(100vw - 32px);right:-8px}
  .distinguish-callout{border-left-width:3px;padding:20px}
  .mvo-grid{max-width:100%}
  .mvo-card{height:340px}
  .mvo-card__face{padding:28px 24px}
  .mvo-card__icon{width:54px;height:54px;margin-bottom:12px}
  .mvo-card__face--front h3{font-size:1.2rem}
  .mvo-card__face--back p{font-size:.88rem}
}