/* ============================================================
   LightWeb s.r.o. — Production Stylesheet
   Senior-level CSS: BEM, custom properties, fluid type,
   performant animations, accessible focus states, dark theme.
   ============================================================ */

/* ===== RESET ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root {
    /* Brand */
    --indigo:    #6366f1;
    --indigo-d:  #4f46e5;
    --indigo-l:  #818cf8;
    --cyan:      #06b6d4;
    --cyan-d:    #0891b2;
    --violet:    #8b5cf6;
    --emerald:   #10b981;
    --amber:     #f59e0b;
    --red:       #ef4444;
    --green:     #22c55e;

    /* Surfaces */
    --bg-0:      #08080d;
    --bg-1:      #0e0e16;
    --bg-2:      #16161f;
    --bg-3:      #1e1e2a;
    --bg-4:      #262635;
    --border:    rgba(255,255,255,0.06);
    --border-l:  rgba(255,255,255,0.1);

    /* Text */
    --t1:        #f4f4f7;
    --t2:        #b0b0c4;
    --t3:        #70708a;

    /* Gradients */
    --grad:      linear-gradient(135deg, var(--indigo), var(--cyan));
    --grad-text: linear-gradient(135deg, var(--indigo-l), var(--cyan));

    /* Shadows */
    --sh-sm:     0 1px 3px rgba(0,0,0,.4);
    --sh-md:     0 4px 24px rgba(0,0,0,.5);
    --sh-lg:     0 12px 48px rgba(0,0,0,.6);
    --sh-glow:   0 0 60px rgba(99,102,241,.12);

    /* Radii */
    --r-sm: 8px;
    --r-md: 12px;
    --r-lg: 18px;
    --r-xl: 24px;

    /* Motion */
    --ease: cubic-bezier(.4,0,.2,1);
    --dur:  .3s;

    /* Font */
    --font: 'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
}

html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:var(--font);background:var(--bg-0);color:var(--t1);line-height:1.65;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;display:block}
button{font-family:var(--font)}

/* Focus ring for accessibility */
:focus-visible{outline:2px solid var(--indigo);outline-offset:3px;border-radius:4px}

/* ===== UTILITIES ===== */
.container{max-width:1180px;margin:0 auto;padding:0 24px}
.gradient-text{background:var(--grad-text);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.c-green{color:var(--emerald)!important}
.c-cyan{color:var(--cyan)!important}

/* Section header */
.section-head{text-align:center;margin-bottom:64px;max-width:680px;margin-left:auto;margin-right:auto}
.section-tag{display:inline-block;padding:6px 16px;background:rgba(99,102,241,.08);border:1px solid rgba(99,102,241,.15);border-radius:100px;font-size:.8rem;font-weight:600;color:var(--indigo-l);letter-spacing:.03em;margin-bottom:16px}
.section-tag--red{background:rgba(239,68,68,.08);border-color:rgba(239,68,68,.15);color:#f87171}
.section-tag--green{background:rgba(34,197,94,.08);border-color:rgba(34,197,94,.15);color:#4ade80}
.section-title{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;line-height:1.2;letter-spacing:-.025em;margin-bottom:12px}
.section-sub{font-size:1.05rem;color:var(--t2);line-height:1.7}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:var(--r-sm);font-weight:600;font-size:.9rem;border:none;cursor:pointer;transition:all var(--dur) var(--ease);white-space:nowrap}
.btn--lg{padding:16px 32px;font-size:.95rem;border-radius:var(--r-md)}
.btn--full{width:100%;justify-content:center}
.btn--nav{background:var(--grad);color:#fff;padding:10px 22px;font-size:.85rem}
.btn--glow{background:var(--grad);color:#fff;box-shadow:0 4px 25px rgba(99,102,241,.35)}
.btn--glow:hover{transform:translateY(-2px);box-shadow:0 8px 35px rgba(99,102,241,.45)}
.btn--outline{background:transparent;color:var(--t1);border:1px solid var(--border-l)}
.btn--outline:hover{background:var(--bg-3);border-color:var(--indigo)}
.btn--white{background:#fff;color:var(--indigo-d);font-weight:700;box-shadow:0 4px 20px rgba(0,0,0,.25)}
.btn--white:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(0,0,0,.35)}
.btn--ghost-white{background:transparent;color:rgba(255,255,255,.85);border:1px solid rgba(255,255,255,.25)}
.btn--ghost-white:hover{background:rgba(255,255,255,.1)}

/* ===== AVATAR ===== */
.avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.8rem;color:#fff;border:2px solid var(--bg-0);flex-shrink:0}

/* ===== NAV ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:14px 0;transition:all var(--dur) var(--ease)}
.nav--scrolled{background:rgba(8,8,13,.92);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border);padding:10px 0}
.nav__inner{display:flex;align-items:center;justify-content:space-between}
.nav__logo-img{height:32px;width:auto}
.nav__menu{display:flex;align-items:center;gap:28px}
.nav__menu a{font-size:.875rem;font-weight:500;color:var(--t2);transition:color var(--dur) var(--ease)}
.nav__menu a:hover{color:var(--t1)}
.nav__menu .btn{color:#fff}
.nav__right{display:flex;align-items:center;gap:12px;flex-shrink:0;margin-left:auto}
.nav__burger{display:none;background:none;border:none;cursor:pointer;padding:4px}
.nav__burger span{width:22px;height:2px;background:var(--t1);border-radius:2px;transition:all var(--dur) var(--ease)}

/* ===== HERO ===== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding:120px 0 80px;overflow:hidden}
.hero__bg{position:absolute;inset:0;z-index:0;pointer-events:none}
.hero__glow{position:absolute;top:-15%;right:-5%;width:700px;height:700px;background:radial-gradient(circle,rgba(99,102,241,.1)0%,transparent 65%);border-radius:50%}
.hero__grid-pattern{position:absolute;inset:0;background-image:linear-gradient(rgba(99,102,241,.025)1px,transparent 1px),linear-gradient(90deg,rgba(99,102,241,.025)1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse 80% 60% at 50% 40%,black,transparent)}
.hero__noise{position:absolute;inset:0;opacity:.03;background:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

.hero__inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.hero__pill{display:inline-flex;align-items:center;gap:8px;padding:7px 16px 7px 12px;background:rgba(99,102,241,.06);border:1px solid rgba(99,102,241,.12);border-radius:100px;font-size:.8rem;font-weight:500;color:var(--indigo-l);margin-bottom:24px}
.hero__pill-dot{width:8px;height:8px;background:var(--emerald);border-radius:50%;animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.8)}}

.hero__h1{font-size:clamp(2.2rem,5vw,3.6rem);font-weight:900;line-height:1.08;letter-spacing:-.035em;margin-bottom:24px}
.hero__h1-accent{background:var(--grad-text);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero__sub{font-size:1.1rem;color:var(--t2);line-height:1.75;margin-bottom:36px;max-width:500px}
.hero__sub strong{color:var(--t1);font-weight:600}
.hero__cta{display:flex;gap:14px;margin-bottom:48px}
.hero__proof{display:flex;align-items:center;gap:14px}
.hero__proof-avatars{display:flex}
.hero__proof-avatars .avatar{margin-left:-8px}
.hero__proof-avatars .avatar:first-child{margin-left:0}
.hero__proof-text{font-size:.85rem;color:var(--t2)}
.hero__proof-text strong{color:var(--t1)}

/* Hero Terminal */
.hero__visual{position:relative}
.hero__terminal{background:var(--bg-2);border:1px solid var(--border-l);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-lg),var(--sh-glow)}
.hero__terminal-bar{display:flex;gap:6px;padding:14px 18px;background:var(--bg-3);border-bottom:1px solid var(--border)}
.dot{width:10px;height:10px;border-radius:50%}
.dot--red{background:#f87171}
.dot--yellow{background:#fbbf24}
.dot--green{background:#4ade80}
.hero__terminal-body{padding:24px;font-family:'SF Mono','Fira Code','Cascadia Code',monospace;font-size:.85rem;line-height:2}
.code-line{white-space:nowrap}
.pl-1{padding-left:24px}
.c-keyword{color:var(--violet)}
.c-var{color:var(--t1)}
.c-key{color:var(--cyan)}
.c-string{color:var(--emerald)}
.c-fn{color:var(--amber)}
.c-comment{color:var(--t3);font-style:italic}

/* Hero floating cards */
.hero__float{position:absolute;display:flex;align-items:center;gap:12px;padding:14px 20px;background:var(--bg-2);border:1px solid var(--border-l);border-radius:var(--r-md);box-shadow:var(--sh-md);animation:float 6s ease-in-out infinite}
.hero__float--1{top:-16px;right:-24px;animation-delay:0s}
.hero__float--2{bottom:-16px;left:-16px;animation-delay:-3s}
.hero__float-emoji{font-size:1.4rem}
.hero__float-label{font-size:.72rem;color:var(--t3);text-transform:uppercase;letter-spacing:.05em;font-weight:600}
.hero__float-value{font-size:1rem;font-weight:800}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* ===== TRUST BAR ===== */
.trust{padding:48px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--bg-1)}
.trust .container{display:flex;align-items:center;gap:40px}
.trust__label{font-size:.78rem;color:var(--t3);text-transform:uppercase;letter-spacing:.06em;font-weight:600;white-space:nowrap}
.trust__logos{display:flex;gap:32px;flex-wrap:wrap;align-items:center}
.trust__logo{font-size:1.05rem;font-weight:700;color:var(--t3);letter-spacing:-.01em;opacity:.5;transition:opacity var(--dur) var(--ease)}
.trust__logo:hover{opacity:1}

/* ===== PROBLEM / SOLUTION ===== */
.problem{padding:100px 0}
.problem__grid{display:grid;grid-template-columns:1fr auto 1fr;gap:48px;align-items:start}
.problem__list{display:flex;flex-direction:column;gap:20px;margin-top:20px}
.problem__list li{display:flex;gap:14px;font-size:.95rem;color:var(--t2);line-height:1.6;align-items:flex-start}
.problem__icon{flex-shrink:0;margin-top:2px}
.problem__icon--x{color:var(--red);opacity:.7}
.problem__icon--check{color:var(--emerald)}
.problem__divider{display:flex;align-items:center;justify-content:center;padding-top:60px}
.problem__arrow{font-size:2rem;color:var(--t3);animation:arrowPulse 2s ease-in-out infinite}
@keyframes arrowPulse{0%,100%{opacity:.4;transform:translateX(0)}50%{opacity:1;transform:translateX(6px)}}

/* ===== SERVICES ===== */
.services{padding:120px 0;background:var(--bg-1)}
.services__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.svc{position:relative;padding:36px;background:var(--bg-2);border:1px solid var(--border);border-radius:var(--r-lg);transition:all var(--dur) var(--ease);overflow:hidden}
.svc::after{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad);opacity:0;transition:opacity var(--dur) var(--ease)}
.svc:hover{border-color:var(--border-l);transform:translateY(-4px);box-shadow:var(--sh-glow)}
.svc:hover::after{opacity:1}
.svc--featured{border-color:rgba(99,102,241,.2);background:linear-gradient(160deg,rgba(99,102,241,.04),rgba(6,182,212,.02))}
.svc__badge{position:absolute;top:16px;right:16px;padding:4px 12px;background:var(--grad);border-radius:100px;font-size:.7rem;font-weight:700;color:#fff;letter-spacing:.02em}
.svc__icon{width:48px;height:48px;border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.svc__icon--amber{background:rgba(245,158,11,.1);color:var(--amber)}
.svc__icon--indigo{background:rgba(99,102,241,.1);color:var(--indigo-l)}
.svc__icon--emerald{background:rgba(16,185,129,.1);color:var(--emerald)}
.svc__icon--violet{background:rgba(139,92,246,.1);color:var(--violet)}
.svc__icon--cyan{background:rgba(6,182,212,.1);color:var(--cyan)}
.svc__icon--red{background:rgba(239,68,68,.1);color:var(--red)}
.svc__title{font-size:1.2rem;font-weight:700;margin-bottom:8px}
.svc__desc{color:var(--t2);font-size:.9rem;margin-bottom:20px;line-height:1.6}
.svc__list{display:flex;flex-direction:column;gap:8px;margin-bottom:24px}
.svc__list li{font-size:.85rem;color:var(--t2);display:flex;align-items:center;gap:8px}
.svc__list li::before{content:'';width:5px;height:5px;background:var(--indigo);border-radius:50%;flex-shrink:0}
.svc__result{padding-top:20px;border-top:1px solid var(--border);display:flex;align-items:baseline;gap:8px}
.svc__result-number{font-size:1.5rem;font-weight:800;background:var(--grad-text);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.svc__result-label{font-size:.8rem;color:var(--t3)}

/* ===== RESULTS ===== */
.results{padding:100px 0;background:var(--bg-0)}
.results__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.results__card{text-align:center;padding:40px 20px;background:var(--bg-2);border:1px solid var(--border);border-radius:var(--r-lg);transition:all var(--dur) var(--ease)}
.results__card:hover{border-color:var(--border-l);transform:translateY(-4px)}
.results__number{font-size:3rem;font-weight:900;background:var(--grad-text);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;display:inline}
.results__suffix{font-size:1.5rem;font-weight:700;color:var(--t3);margin-left:2px}
.results__label{margin-top:8px;font-size:.85rem;color:var(--t2)}

/* ===== PROCESS ===== */
.process{padding:120px 0;background:var(--bg-1)}
.process__steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{position:relative;padding:32px 28px;background:var(--bg-2);border:1px solid var(--border);border-radius:var(--r-lg);transition:all var(--dur) var(--ease)}
.step:hover{border-color:var(--indigo);transform:translateY(-4px)}
.step__num{font-size:2.5rem;font-weight:900;background:var(--grad-text);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;opacity:.5;margin-bottom:12px}
.step__title{font-size:1rem;font-weight:700;margin-bottom:8px}
.step__desc{font-size:.85rem;color:var(--t2);line-height:1.6;margin-bottom:12px}
.step__time{font-size:.78rem;color:var(--t3);font-weight:500}

/* ===== PORTFOLIO ===== */
.portfolio{padding:120px 0}
.portfolio__filters{display:flex;justify-content:center;gap:8px;margin-bottom:48px;flex-wrap:wrap}
.portfolio__filter{padding:8px 20px;border-radius:100px;border:1px solid var(--border);background:transparent;color:var(--t2);font-family:var(--font);font-size:.85rem;font-weight:500;cursor:pointer;transition:all var(--dur) var(--ease)}
.portfolio__filter:hover{border-color:var(--indigo);color:var(--indigo-l)}
.portfolio__filter--active{background:var(--grad);border-color:transparent;color:#fff;font-weight:600}
.portfolio__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.project{border-radius:var(--r-lg);overflow:hidden;background:var(--bg-2);border:1px solid var(--border);transition:all .4s var(--ease);display:block;text-decoration:none}
.project:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:var(--border-l)}
.project--hidden{display:none}
.project__img{height:140px;position:relative;display:flex;align-items:center;justify-content:center;padding:16px}
.project__img--brand{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px}
.project__name{font-size:1.4rem;font-weight:800;color:rgba(255,255,255,.85);letter-spacing:-.02em;text-align:center}
.project__tag{position:absolute;top:12px;left:12px;padding:4px 10px;background:rgba(0,0,0,.5);backdrop-filter:blur(8px);border-radius:100px;font-size:.7rem;font-weight:600;color:rgba(255,255,255,.8)}
.project__body{padding:18px 22px 22px}
.project__title{font-size:1rem;font-weight:700;margin-bottom:6px}
.project__desc{font-size:.82rem;color:var(--t2);line-height:1.55;margin-bottom:0}
.project__tech{display:flex;flex-wrap:wrap;gap:6px}
.project__tech span{padding:4px 10px;background:var(--bg-4);border-radius:100px;font-size:.75rem;color:var(--t3);font-weight:500}

/* ===== TESTIMONIALS ===== */
.testimonials{padding:120px 0;background:var(--bg-1)}
.testimonials__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testimonial{padding:32px;background:var(--bg-2);border:1px solid var(--border);border-radius:var(--r-lg);display:flex;flex-direction:column;transition:all var(--dur) var(--ease)}
.testimonial:hover{border-color:var(--border-l);transform:translateY(-3px)}
.testimonial__stars{color:var(--amber);font-size:1rem;margin-bottom:16px;letter-spacing:2px}
.testimonial__text{font-size:.92rem;color:var(--t2);line-height:1.7;flex:1;margin-bottom:20px;font-style:italic}
.testimonial__author{display:flex;align-items:center;gap:12px;padding-top:16px;border-top:1px solid var(--border)}
.testimonial__name{font-weight:600;font-size:.87rem;display:block;font-style:normal}
.testimonial__role{font-size:.78rem;color:var(--t3)}

/* ===== TECH ===== */
.tech{padding:100px 0}
.tech__rows{display:flex;flex-direction:column;gap:20px}
.tech__row{display:flex;align-items:center;gap:24px;padding:24px 28px;background:var(--bg-2);border:1px solid var(--border);border-radius:var(--r-md)}
.tech__cat{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--t3);min-width:140px;flex-shrink:0}
.tech__pills{display:flex;flex-wrap:wrap;gap:8px}
.tech__pills span{padding:6px 14px;background:var(--bg-4);border:1px solid var(--border);border-radius:100px;font-size:.8rem;font-weight:500;color:var(--t2);transition:all var(--dur) var(--ease)}
.tech__pills span:hover{border-color:var(--indigo);color:var(--indigo-l);background:rgba(99,102,241,.05)}

/* ===== FAQ ===== */
.faq{padding:120px 0;background:var(--bg-0)}
.faq__list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq__item{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden;transition:border-color var(--dur) var(--ease)}
.faq__item[open]{border-color:var(--border-l)}
.faq__item[open] .faq__chevron{transform:rotate(180deg)}
.faq__question{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;cursor:pointer;font-size:.95rem;font-weight:600;color:var(--t1);list-style:none;user-select:none;transition:color var(--dur) var(--ease)}
.faq__question::-webkit-details-marker{display:none}
.faq__question::marker{display:none;content:''}
.faq__question:hover{color:var(--indigo-l)}
.faq__chevron{flex-shrink:0;color:var(--t3);transition:transform var(--dur) var(--ease)}
.faq__answer{padding:0 24px 20px;font-size:.9rem;color:var(--t2);line-height:1.75}
.faq__answer p{margin:0}
.faq__answer strong{color:var(--t1);font-weight:600}

/* ===== CTA ===== */
.cta{padding:80px 0}
.cta__box{position:relative;padding:72px 48px;background:var(--grad);border-radius:var(--r-xl);overflow:hidden;text-align:center}
.cta__deco{position:absolute;inset:0;pointer-events:none}
.cta__circle{position:absolute;border-radius:50%;background:rgba(255,255,255,.05)}
.cta__circle:first-child{width:350px;height:350px;top:-120px;right:-80px}
.cta__circle--2{width:200px;height:200px;bottom:-80px;left:-60px}
.cta__title{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:800;color:#fff;margin-bottom:12px;position:relative;z-index:1}
.cta__sub{font-size:1.05rem;color:rgba(255,255,255,.8);margin-bottom:32px;position:relative;z-index:1}
.cta__actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative;z-index:1}

/* ===== CONTACT ===== */
.contact{padding:120px 0;background:var(--bg-1)}
.contact__layout{display:grid;grid-template-columns:1fr 1.6fr;gap:40px;align-items:start}
.contact__sidebar{display:flex;flex-direction:column;gap:16px}
.contact__card{display:flex;align-items:center;gap:14px;padding:20px;background:var(--bg-2);border:1px solid var(--border);border-radius:var(--r-md)}
.contact__card-icon{width:42px;height:42px;background:rgba(99,102,241,.08);border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;color:var(--indigo-l);flex-shrink:0}
.contact__card h4{font-size:.85rem;font-weight:600;margin-bottom:2px}
.contact__card p,.contact__card a,.contact__email-text{font-size:.85rem;color:var(--t2)}
.contact__card a:hover{color:var(--indigo-l)}
.contact__email-text{user-select:all;cursor:text}
.contact__guarantee{display:flex;gap:14px;padding:20px;background:rgba(34,197,94,.04);border:1px solid rgba(34,197,94,.12);border-radius:var(--r-md);color:var(--emerald);margin-top:4px}
.contact__guarantee svg{flex-shrink:0;margin-top:2px}
.contact__guarantee strong{display:block;font-size:.85rem;margin-bottom:2px;color:var(--emerald)}
.contact__guarantee p{font-size:.8rem;color:var(--t2);line-height:1.5}

/* Form */
.form{padding:36px;background:var(--bg-2);border:1px solid var(--border);border-radius:var(--r-lg)}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form__field{margin-bottom:16px}
.form__field label{display:block;font-size:.8rem;font-weight:600;color:var(--t2);margin-bottom:6px}
.form__field input,.form__field select,.form__field textarea{width:100%;padding:12px 16px;background:var(--bg-3);border:1px solid var(--border);border-radius:var(--r-sm);font-family:var(--font);font-size:.9rem;color:var(--t1);transition:all var(--dur) var(--ease);outline:none}
.form__field input:focus,.form__field select:focus,.form__field textarea:focus{border-color:var(--indigo);box-shadow:0 0 0 3px rgba(99,102,241,.1)}
.form__field input::placeholder,.form__field textarea::placeholder{color:var(--t3)}
.form__field textarea{resize:vertical;min-height:100px}
.form__field select{appearance:none;cursor:pointer;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='%2370708a' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
.form__note{margin-top:12px;font-size:.75rem;color:var(--t3);text-align:center}

/* Form validation */
.form__field--error input,.form__field--error select,.form__field--error textarea{border-color:var(--red)!important;box-shadow:0 0 0 3px rgba(239,68,68,.1)!important}
.form__error{display:none;font-size:.75rem;color:#f87171;margin-top:5px;align-items:center;gap:5px}
.form__field--error .form__error{display:flex}
.form__field--success input,.form__field--success textarea{border-color:var(--emerald)!important}

/* Toast notification */
.toast{position:fixed;top:24px;right:24px;z-index:3000;padding:16px 24px;border-radius:var(--r-md);font-size:.9rem;font-weight:500;color:#fff;display:flex;align-items:center;gap:10px;transform:translateX(120%);transition:transform .4s var(--ease);box-shadow:var(--sh-lg)}
.toast--visible{transform:translateX(0)}
.toast--success{background:var(--emerald)}
.toast--error{background:var(--red)}

/* ===== LANGUAGE SWITCHER ===== */
.lang-switch{display:inline-flex;align-items:center;gap:7px;padding:7px 14px 7px 10px;background:var(--bg-3);border:1px solid var(--border);border-radius:100px;font-size:.8rem;font-weight:700;color:var(--t2);letter-spacing:.04em;transition:all var(--dur) var(--ease);text-decoration:none;flex-shrink:0}
.lang-switch:hover{border-color:var(--indigo);color:var(--indigo-l);background:rgba(99,102,241,.05)}
.lang-switch__flag{width:20px;height:14px;border-radius:2px;flex-shrink:0;object-fit:cover}

/* ===== FOOTER ===== */
.footer{padding:64px 0 28px;background:var(--bg-0);border-top:1px solid var(--border)}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer__brand p{color:var(--t3);margin-top:14px;font-size:.85rem;line-height:1.6;max-width:280px}
.footer__nav h4{font-size:.82rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--t3);margin-bottom:14px}
.footer__nav li{margin-bottom:8px}
.footer__nav a{font-size:.87rem;color:var(--t2);transition:color var(--dur) var(--ease)}
.footer__nav a:hover{color:var(--indigo-l)}
.footer__bottom{padding-top:24px;border-top:1px solid var(--border);text-align:center}
.footer__bottom p{font-size:.78rem;color:var(--t3)}

/* ===== SPINNER ===== */
@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}

/* ===== SCROLL REVEAL ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s var(--ease),transform .6s var(--ease)}.reveal.revealed{opacity:1;transform:translateY(0)}

/* ===== AI SEARCH OVERLAY ===== */
.search-trigger{position:fixed;bottom:28px;right:28px;z-index:900;width:56px;height:56px;border-radius:50%;background:var(--grad);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 4px 24px rgba(99,102,241,.4);transition:all var(--dur) var(--ease)}
.search-trigger:hover{transform:scale(1.08);box-shadow:0 6px 32px rgba(99,102,241,.55)}
.search-trigger__kbd{display:none}

.search-overlay{position:fixed;inset:0;z-index:2000;display:flex;align-items:flex-start;justify-content:center;padding-top:min(18vh,160px);opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s}
.search-overlay--open{opacity:1;visibility:visible}
.search-backdrop{position:absolute;inset:0;background:rgba(4,4,8,.8);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.search-modal{position:relative;width:94%;max-width:620px;background:var(--bg-2);border:1px solid var(--border-l);border-radius:var(--r-lg);box-shadow:var(--sh-lg),0 0 80px rgba(99,102,241,.1);overflow:hidden;transform:translateY(16px) scale(.97);transition:transform .25s var(--ease)}
.search-overlay--open .search-modal{transform:translateY(0) scale(1)}

.search-header{display:flex;align-items:center;gap:12px;padding:16px 20px;border-bottom:1px solid var(--border)}
.search-header svg{color:var(--indigo-l);flex-shrink:0}
.search-input{flex:1;background:none;border:none;font-family:var(--font);font-size:1rem;color:var(--t1);outline:none}
.search-input::placeholder{color:var(--t3)}
.search-close{background:none;border:1px solid var(--border);border-radius:6px;padding:2px 8px;font-size:.7rem;color:var(--t3);cursor:pointer;font-family:var(--font);transition:all var(--dur) var(--ease)}
.search-close:hover{border-color:var(--indigo);color:var(--indigo-l)}

.search-body{max-height:420px;overflow-y:auto;padding:8px}
.search-body::-webkit-scrollbar{width:4px}
.search-body::-webkit-scrollbar-track{background:transparent}
.search-body::-webkit-scrollbar-thumb{background:var(--bg-4);border-radius:4px}

.search-group{padding:8px 12px}
.search-group__label{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--t3);margin-bottom:8px}

.search-item{display:flex;align-items:center;gap:14px;padding:12px 16px;border-radius:var(--r-sm);cursor:pointer;transition:all .15s var(--ease)}
.search-item:hover,.search-item--active{background:rgba(99,102,241,.08)}
.search-item__icon{width:36px;height:36px;border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0}
.search-item__icon--amber{background:rgba(245,158,11,.1)}
.search-item__icon--indigo{background:rgba(99,102,241,.1)}
.search-item__icon--emerald{background:rgba(16,185,129,.1)}
.search-item__icon--violet{background:rgba(139,92,246,.1)}
.search-item__icon--cyan{background:rgba(6,182,212,.1)}
.search-item__icon--default{background:var(--bg-4)}
.search-item__text{flex:1;min-width:0}
.search-item__title{font-size:.87rem;font-weight:600;color:var(--t1);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.search-item__desc{font-size:.75rem;color:var(--t3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:1px}
.search-item__arrow{color:var(--t3);flex-shrink:0;opacity:0;transition:opacity .15s}
.search-item:hover .search-item__arrow{opacity:1}

.search-empty{padding:40px 20px;text-align:center}
.search-empty__icon{font-size:2rem;margin-bottom:12px;opacity:.5}
.search-empty__text{font-size:.9rem;color:var(--t3)}
.search-empty__hint{font-size:.8rem;color:var(--t3);margin-top:6px;opacity:.6}

.search-footer{padding:10px 20px;border-top:1px solid var(--border);display:flex;align-items:center;gap:16px}
.search-footer__hint{font-size:.7rem;color:var(--t3);display:flex;align-items:center;gap:4px}
.search-footer__hint kbd{background:var(--bg-4);border:1px solid var(--border);border-radius:4px;padding:1px 5px;font-size:.65rem;font-family:var(--font)}
.search-footer__ai{margin-left:auto;font-size:.7rem;color:var(--indigo-l);display:flex;align-items:center;gap:4px}

/* ===== RESPONSIVE ===== */

/* Large desktops */
@media(min-width:1281px){
    .container{max-width:1200px}
    .hero__h1{font-size:3.6rem}
}

/* Desktop (default styles above cover 1025px-1280px) */

/* Tablet landscape + small desktop */
@media(max-width:1024px){
    .hero__inner{grid-template-columns:1fr;gap:48px}
    .hero__visual{max-width:560px}
    .hero__float--1{right:0}
    .hero__float--2{left:0}
    .services__grid{grid-template-columns:repeat(2,1fr)}
    .process__steps{grid-template-columns:repeat(2,1fr)}
    .results__grid{grid-template-columns:repeat(4,1fr)}
    .testimonials__grid{grid-template-columns:repeat(2,1fr)}
    .contact__layout{grid-template-columns:1fr}
    .contact__sidebar{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;order:2}
    .form{order:1}
    .contact__guarantee{grid-column:1/-1}
    .problem__grid{grid-template-columns:1fr;gap:24px}
    .problem__divider{padding-top:0;transform:rotate(90deg)}
    .footer__grid{grid-template-columns:1.5fr 1fr 1fr;gap:32px}
    .tech__row{flex-direction:column;align-items:flex-start;gap:12px}
    .tech__cat{min-width:auto}
}

/* Tablet portrait */
@media(max-width:868px){
    .nav__menu{position:fixed;top:0;right:-100%;width:75%;max-width:320px;height:100vh;height:100dvh;background:var(--bg-1);border-left:1px solid var(--border);flex-direction:column;align-items:flex-start;padding:80px 28px;gap:20px;transition:right var(--dur) var(--ease);z-index:999;overflow-y:auto}
    .nav__menu--open{right:0}
    .nav__burger{display:flex;flex-direction:column;gap:5px;z-index:1001}
    .hero{min-height:auto;padding:120px 0 64px}
    .hero__visual{display:none}
    .hero__cta{flex-direction:row}
    .trust .container{flex-direction:column;gap:16px;text-align:center}
    .trust__logos{justify-content:center}
    .portfolio__grid{grid-template-columns:repeat(2,1fr)}
    .portfolio__filters{gap:6px}
    .results__grid{grid-template-columns:repeat(2,1fr)}
    .footer__grid{grid-template-columns:1fr;gap:32px}
    .cta__box{padding:56px 32px}
    .search-trigger__kbd{display:none}
}

/* Mobile landscape + large phones */
@media(max-width:640px){
    .container{padding:0 18px}
    .hero{padding:110px 0 56px}
    .hero__h1{font-size:clamp(1.8rem,7vw,2.6rem)}
    .hero__sub{font-size:1rem}
    .hero__cta{flex-direction:column}
    .hero__cta .btn{width:100%;justify-content:center}
    .hero__proof{flex-direction:column;align-items:flex-start;gap:10px}
    .services__grid{grid-template-columns:1fr}
    .svc{padding:28px 24px}
    .process__steps{grid-template-columns:1fr}
    .portfolio__grid{grid-template-columns:1fr}
    .testimonials__grid{grid-template-columns:1fr}
    .results__grid{grid-template-columns:repeat(2,1fr)}
    .results__card{padding:28px 16px}
    .results__number{font-size:2.2rem}
    .form__row{grid-template-columns:1fr}
    .form{padding:24px 20px}
    .cta__box{padding:40px 20px}
    .cta__title{font-size:1.4rem}
    .cta__actions{flex-direction:column}
    .cta__actions .btn{width:100%;justify-content:center}
    .contact__sidebar{grid-template-columns:1fr;order:2}
    .form{order:1}
    .section-head{margin-bottom:48px}
    .section-title{font-size:clamp(1.5rem,5vw,2rem)}
    .search-trigger{bottom:20px;right:20px;width:50px;height:50px}
}

/* Small phones */
@media(max-width:380px){
    .container{padding:0 14px}
    .hero{padding:100px 0 48px}
    .hero__h1{font-size:1.7rem}
    .hero__pill{font-size:.72rem;padding:6px 12px}
    .hero__proof-text{font-size:.78rem}
    .hero__stat-number{font-size:1.4rem}
    .nav__logo-img{height:28px}
    .results__grid{grid-template-columns:1fr 1fr}
    .results__number{font-size:1.8rem}
    .svc{padding:24px 20px}
    .svc__title{font-size:1.05rem}
    .step{padding:24px 20px}
    .problem__list li{font-size:.87rem}
    .trust__logos{gap:20px}
    .trust__logo{font-size:.9rem}
    .cta__title{font-size:1.2rem}
    .cta__sub{font-size:.9rem}
}

/* Height-constrained devices (landscape phones) */
@media(max-height:500px) and (orientation:landscape){
    .hero{min-height:auto;padding:80px 0 40px}
    .hero__inner{grid-template-columns:1fr 1fr;gap:32px}
    .hero__visual{display:block;max-width:none}
    .hero__h1{font-size:1.8rem}
    .hero__sub{font-size:.9rem;margin-bottom:20px}
    .hero__cta{margin-bottom:20px}
    .hero__proof-avatars .avatar{width:28px;height:28px;font-size:.65rem}
}

/* Hover-capable devices only get hover effects */
@media(hover:hover){
    .svc:hover{transform:translateY(-4px)}
    .step:hover{transform:translateY(-4px)}
    .project:hover{transform:translateY(-4px)}
    .testimonial:hover{transform:translateY(-3px)}
    .results__card:hover{transform:translateY(-4px)}
    .tech__pills span:hover{border-color:var(--indigo);color:var(--indigo-l)}
}
/* Touch devices: no transform on hover (prevents sticky hover) */
@media(hover:none){
    .svc:hover,.step:hover,.project:hover,.testimonial:hover,.results__card:hover{transform:none}
    .tech__pills span:hover{border-color:var(--border);color:var(--t2)}
}

/* Reduce motion for accessibility */
@media(prefers-reduced-motion:reduce){
    *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
    .reveal{opacity:1;transform:none}
    .hero__float{animation:none}
    .hero__pill-dot{animation:none}
    .problem__arrow{animation:none}
}

/* Safe area for notched devices */
@supports(padding:env(safe-area-inset-bottom)){
    .nav{padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}
    .footer__bottom{padding-bottom:calc(24px + env(safe-area-inset-bottom))}
    .search-trigger{bottom:calc(28px + env(safe-area-inset-bottom));right:calc(28px + env(safe-area-inset-right))}
}

/* Print styles */
@media print{
    .nav,.search-trigger,.hero__bg,.hero__visual,.cta,.search-overlay{display:none!important}
    body{background:#fff;color:#000}
    .hero{min-height:auto;padding:20px 0}
    .section-tag{border:1px solid #ccc}
    a[href]::after{content:" (" attr(href) ")";font-size:.8em;color:#666}
}