/* ============================================================
   Jakub Vorlicek — AI Strategy & Implementation
   Technical / IT theme · GitHub-dark · electric blue + teal
   ============================================================ */

:root {
  --bg: #0a0c10;
  --bg-soft: #0e1117;
  --bg-card: #11151c;
  --bg-card-2: #141923;
  --ink: #e7eaf0;
  --ink-soft: #9aa3b2;
  --ink-faint: #5c6473;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);

  --accent: #5b9dff;
  --accent-2: #2dd4bf;
  --accent-soft: rgba(91, 157, 255, 0.12);
  --grad: linear-gradient(120deg, #5b9dff 0%, #2dd4bf 100%);

  --sans: "Inter", system-ui, sans-serif;
  --display: "Space Grotesk", "Inter", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --wrap: 1140px;
  --pad: clamp(1.25rem, 4vw, 2.5rem);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-weight: 400; line-height: 1.65;
  overflow-x: hidden;
}
@media (pointer: fine) { body { cursor: none; } }
a { color: inherit; text-decoration: none; }
img, svg, canvas { display: block; max-width: 100%; }
::selection { background: var(--accent); color: #06070a; }
em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- Centered container ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--pad); }

/* ---------- Background grid + grain ---------- */
.grid-bg {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 100% 70% at 50% 0%, #000 30%, transparent 80%);
}
.grain {
  position: fixed; inset: -200%; z-index: 9998; pointer-events: none;
  opacity: 0.04; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 0.6s steps(2) infinite;
}
@keyframes grain { 0%{transform:translate(0,0)} 50%{transform:translate(-3%,2%)} 100%{transform:translate(2%,-2%)} }

/* ---------- Custom cursor ---------- */
.cursor, .cursor-dot { position: fixed; top: 0; left: 0; z-index: 9999; pointer-events: none; border-radius: 50%; transform: translate(-50%,-50%); }
.cursor { width: 34px; height: 34px; border: 1px solid var(--accent); transition: width .3s var(--ease), height .3s var(--ease), background .3s, border-color .3s; }
.cursor-dot { width: 4px; height: 4px; background: var(--accent-2); }
.cursor.is-hover { width: 56px; height: 56px; background: var(--accent-soft); border-color: var(--accent-2); }
@media (pointer: coarse) { .cursor, .cursor-dot { display: none !important; } }

/* ---------- Scroll progress ---------- */
.scroll-progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 9000; }
.scroll-progress span { display: block; height: 100%; width: 0%; background: var(--grad); box-shadow: 0 0 14px rgba(91,157,255,0.6); }

/* ---------- Preloader ---------- */
.preloader { position: fixed; inset: 0; z-index: 10000; background: var(--bg); display: grid; place-items: center; transition: opacity .7s var(--ease), visibility .7s; }
.preloader.done { opacity: 0; visibility: hidden; }
.preloader__inner { width: min(80vw, 420px); text-align: center; }
.preloader__name { display: flex; justify-content: center; gap: .6em; font-family: var(--display); font-weight: 600; font-size: clamp(1.3rem, 4vw, 2rem); letter-spacing: .14em; overflow: hidden; }
.preloader__name span { display: inline-block; animation: rise .9s var(--ease) both; }
.preloader__name span:nth-child(2) { animation-delay: .12s; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
@keyframes rise { from { transform: translateY(110%) } to { transform: translateY(0) } }
.preloader__count { margin-top: 1.3rem; font-family: var(--mono); font-size: .82rem; color: var(--ink-soft); }
.preloader__count i { font-style: normal; color: var(--accent); }
.preloader__bar { margin-top: 1rem; height: 1px; background: var(--line); position: relative; overflow: hidden; }
.preloader__bar span { position: absolute; inset: 0; width: 0%; background: var(--grad); }

/* ---------- Navigation ---------- */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 800; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.1rem var(--pad); transition: padding .4s var(--ease), background .4s, backdrop-filter .4s, border-color .4s; border-bottom: 1px solid transparent; }
.nav.scrolled { padding-block: .75rem; background: rgba(10,12,16,0.72); backdrop-filter: blur(16px) saturate(140%); border-bottom-color: var(--line); }
.nav__brand { display: flex; align-items: center; gap: .65rem; }
.nav__mark { display: grid; place-items: center; transition: transform .5s var(--ease); }
.nav__logo { height: 26px; width: auto; display: block; }
.nav__brand:hover .nav__mark { transform: translateY(-1px) scale(1.05); }
.nav__brand-text { font-family: var(--mono); font-size: .9rem; letter-spacing: .01em; color: var(--ink); }
.nav__links { display: flex; align-items: center; gap: 1.8rem; }
.nav__links > a { font-family: var(--mono); font-size: .82rem; color: var(--ink-soft); position: relative; transition: color .3s; }
.nav__links > a::after { content: ""; position: absolute; left: 0; bottom: -5px; width: 0; height: 1px; background: var(--accent); transition: width .35s var(--ease); }
.nav__links > a:hover { color: var(--ink); }
.nav__links > a:hover::after { width: 100%; }
.nav__cta { display: inline-flex; align-items: center; gap: .45rem; padding: .55rem 1rem; border: 1px solid var(--line-strong); border-radius: 8px; color: var(--ink) !important; font-family: var(--sans); }
.nav__cta::after { display: none; }
.nav__cta svg { width: 15px; height: 15px; transition: transform .3s var(--ease); }
.nav__cta:hover { border-color: var(--accent); background: var(--accent-soft); }
.nav__cta:hover svg { transform: translateX(3px); }

.lang { display: flex; align-items: center; gap: .35rem; font-family: var(--mono); font-size: .8rem; }
.lang span { color: var(--ink-faint); }
.lang button { background: none; border: none; color: var(--ink-faint); font: inherit; cursor: pointer; padding: .1rem .15rem; transition: color .3s; }
.lang button:hover { color: var(--ink-soft); }
.lang button.active { color: var(--accent); }

.nav__burger { display: none; background: none; border: none; flex-direction: column; gap: 6px; cursor: pointer; padding: 4px; }
.nav__burger span { width: 24px; height: 1.5px; background: var(--ink); transition: .35s var(--ease); }
.nav__burger.open span:nth-child(1) { transform: translateY(3.75px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { transform: translateY(-3.75px) rotate(-45deg); }

.mobile-menu { position: fixed; inset: 0; z-index: 700; background: var(--bg-soft); display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 1rem; text-align: center; padding: var(--pad); transform: translateY(-100%); transition: transform .55s var(--ease); }
.mobile-menu.open { transform: translateY(0); }
.mobile-menu a { font-family: var(--display); font-weight: 500; font-size: clamp(1.8rem, 8vw, 3rem); }
.mobile-menu a:hover { color: var(--accent); }
.lang--mobile { margin-top: 1.5rem; font-size: 1.1rem; }

@media (max-width: 880px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }
}

/* ---------- Buttons ---------- */
.btn { position: relative; display: inline-flex; align-items: center; gap: .55rem; font-family: var(--sans); font-size: .95rem; font-weight: 500; padding: .9rem 1.5rem; border-radius: 10px; overflow: hidden; transition: transform .3s var(--ease), border-color .3s; will-change: transform; }
.btn svg { width: 18px; height: 18px; transition: transform .35s var(--ease); position: relative; z-index: 2; }
.btn span { position: relative; z-index: 2; }
.btn--primary { color: #06070a; background: var(--grad); box-shadow: 0 8px 30px -10px rgba(91,157,255,0.5); }
.btn--primary::before { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, #7fb4ff, #4ee0cf); opacity: 0; transition: opacity .35s; }
.btn--primary:hover::before { opacity: 1; }
.btn--primary:hover svg { transform: translateX(4px); }
.btn--ghost { color: var(--ink); border: 1px solid var(--line-strong); }
.btn--ghost::before { content: ""; position: absolute; inset: 0; background: var(--accent-soft); transform: scaleX(0); transform-origin: left; transition: transform .4s var(--ease); }
.btn--ghost:hover::before { transform: scaleX(1); }
.btn--ghost:hover { border-color: var(--accent); }
.btn--lg { padding: 1.05rem 2rem; font-size: 1rem; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease-out), transform .9s var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .grain, .hero__aura, .marquee__track, .contact__aura { animation: none !important; }
  .lang-banner { transition: none !important; }
  .lang-banner::before, .lang-banner__dot { animation: none !important; }
}

/* ---------- Section heads (centered) ---------- */
.section-head { text-align: center; max-width: 760px; margin-inline: auto; padding-top: clamp(4.5rem, 10vw, 8rem); }
.section-kicker { display: inline-block; font-family: var(--mono); font-size: .78rem; letter-spacing: .05em; color: var(--accent); margin-bottom: 1.1rem; }
.section-title { font-family: var(--display); font-weight: 600; font-size: clamp(2rem, 5.5vw, 3.8rem); line-height: 1.08; letter-spacing: -0.02em; }
.section-sub { margin: 1.2rem auto 0; font-size: clamp(1rem, 1.8vw, 1.15rem); color: var(--ink-soft); font-weight: 300; max-width: 560px; }

/* ============================================================
   HERO
   ============================================================ */
.hero { position: relative; min-height: 100vh; min-height: 100svh; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; padding: 8rem var(--pad) 8rem; overflow: hidden; }
.hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; opacity: 0.6; }
.hero__aura { position: absolute; z-index: 0; pointer-events: none; width: 80vw; height: 80vw; max-width: 760px; max-height: 760px; top: 8%; left: 50%; transform: translateX(-50%); background: radial-gradient(circle, rgba(91,157,255,0.16), rgba(45,212,191,0.06) 42%, transparent 66%); filter: blur(16px); animation: float 14s ease-in-out infinite alternate; }
@keyframes float { to { transform: translateX(-50%) translateY(6%) scale(1.1); } }
.hero__content { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: center; }

.hero__eyebrow { display: inline-flex; align-items: center; gap: .55rem; font-family: var(--mono); font-size: .76rem; letter-spacing: .04em; color: var(--ink-soft); padding: .5rem 1rem; border: 1px solid var(--line); border-radius: 100px; background: rgba(255,255,255,0.02); }
.hero__eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 10px var(--accent-2); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.35} }

.hero__title { font-family: var(--display); font-weight: 600; font-size: clamp(2.6rem, 8.5vw, 6.6rem); line-height: 1.0; letter-spacing: -0.03em; margin: 1.6rem 0 1.4rem; }
.hero__title .line { display: block; overflow: hidden; }
.hero__title .w { display: inline-block; transform: translateY(110%); }
/* paint the gradient on the text span itself, not the wrapping <em>,
   so the clipped fill renders over the transformed inline-block */
.hero__title em { background: none; -webkit-text-fill-color: currentColor; }
.hero__title em .w { background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.loaded .hero__title .w { transform: translateY(0); transition: transform 1s var(--ease); }
.loaded .hero__title .line:nth-child(2) .w { transition-delay: .07s; }
.loaded .hero__title .line:nth-child(3) .w { transition-delay: .14s; }

.hero__lede { max-width: 600px; font-size: clamp(1.02rem, 2vw, 1.25rem); color: var(--ink-soft); font-weight: 300; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; margin: 2.2rem 0 3.2rem; }
.hero__meta { display: flex; flex-wrap: wrap; gap: clamp(1.5rem, 4vw, 3rem); justify-content: center; padding-top: 2rem; border-top: 1px solid var(--line); }
.hero__meta div { display: flex; flex-direction: column; gap: .2rem; text-align: left; }
.hero__meta strong { font-family: var(--mono); font-weight: 500; font-size: 1rem; color: var(--accent-2); }
.hero__meta span { font-size: .82rem; color: var(--ink-faint); }

.hero__scroll { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); z-index: 2; display: flex; flex-direction: column; align-items: center; gap: .6rem; font-family: var(--mono); font-size: .68rem; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-faint); }
.hero__scroll-line { width: 1px; height: 44px; background: linear-gradient(var(--accent), transparent); position: relative; overflow: hidden; }
.hero__scroll-line::after { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 40%; background: var(--ink); animation: scrolldot 1.8s var(--ease) infinite; }
/* On short viewports the centered hero content reaches the bottom — hide the cue so it never overlaps the meta row */
@media (max-height: 760px) { .hero__scroll { display: none; } }
@keyframes scrolldot { 0%{transform:translateY(-100%)} 100%{transform:translateY(250%)} }

/* ============================================================
   MARQUEE
   ============================================================ */
.marquee { border-block: 1px solid var(--line); padding: 1.3rem 0; overflow: hidden; background: var(--bg-soft); }
.marquee__track { display: flex; align-items: center; gap: 2.2rem; white-space: nowrap; width: max-content; animation: scroll-x 38s linear infinite; }
.marquee__track span { font-family: var(--display); font-weight: 500; font-size: clamp(1.1rem, 2.6vw, 1.7rem); color: var(--ink); }
.marquee__track i { color: var(--accent); font-style: normal; font-size: .8rem; }
@keyframes scroll-x { to { transform: translateX(-50%); } }
.marquee:hover .marquee__track { animation-play-state: paused; }

/* ============================================================
   SERVICES
   ============================================================ */
.services { padding-bottom: clamp(4rem, 9vw, 7rem); }
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-top: clamp(2.5rem, 5vw, 4rem); }
.card { position: relative; padding: clamp(1.8rem, 3vw, 2.6rem); border: 1px solid var(--line); border-radius: 14px; background: linear-gradient(160deg, var(--bg-card), var(--bg-soft)); overflow: hidden; transition: border-color .5s var(--ease), transform .4s var(--ease); transform-style: preserve-3d; }
.card::before { content: ""; position: absolute; inset: 0; opacity: 0; background: radial-gradient(500px circle at var(--mx,50%) var(--my,0%), rgba(91,157,255,0.1), transparent 45%); transition: opacity .5s; pointer-events: none; }
.card:hover { border-color: var(--line-strong); }
.card:hover::before { opacity: 1; }
.card__num { position: absolute; top: 1.5rem; right: 1.6rem; font-family: var(--mono); font-size: .78rem; color: var(--ink-faint); }
.card__icon { width: 52px; height: 52px; display: grid; place-items: center; border: 1px solid var(--line-strong); border-radius: 12px; margin-bottom: 1.4rem; color: var(--accent); transition: background .4s, transform .5s var(--ease); }
.card__icon svg { width: 24px; height: 24px; }
.card:hover .card__icon { background: var(--accent-soft); transform: translateY(-3px); }
.card h3 { font-family: var(--display); font-weight: 500; font-size: clamp(1.3rem, 2.2vw, 1.6rem); margin-bottom: .7rem; }
.card p { color: var(--ink-soft); font-weight: 300; font-size: .96rem; margin-bottom: 1.3rem; }
.card ul { list-style: none; display: flex; flex-wrap: wrap; gap: .45rem; }
.card li { font-family: var(--mono); font-size: .7rem; color: var(--ink-soft); padding: .32rem .65rem; border: 1px solid var(--line); border-radius: 6px; }

/* ============================================================
   PROCESS / FLOW / TIMELINE
   ============================================================ */
.process { padding-bottom: clamp(5rem, 10vw, 8rem); }
.flow { max-width: 900px; margin-top: clamp(2.5rem, 5vw, 3.5rem); }
.flow__svg { width: 100%; height: auto; overflow: visible; }
.flow__base { stroke: var(--line); stroke-width: 1.5; }
.flow__draw { stroke: url(#flowg); stroke-width: 2; stroke-dasharray: 860; stroke-dashoffset: 860; }
.flow.in .flow__draw { animation: draw 2.2s var(--ease) forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.flow__nodes circle { fill: var(--bg); stroke: var(--accent); stroke-width: 1.6; }
.flow__nodes text { fill: var(--ink-soft); font-family: var(--mono); font-size: 13px; text-anchor: middle; }
.flow__pulse { fill: var(--accent); stroke: none; opacity: 0; transform-origin: center; transform-box: fill-box; }
.flow.in .flow__pulse { animation: nodepulse 2.6s ease-out infinite; }
.flow__nodes g:nth-child(2) .flow__pulse { animation-delay: .4s; }
.flow__nodes g:nth-child(3) .flow__pulse { animation-delay: .8s; }
.flow__nodes g:nth-child(4) .flow__pulse { animation-delay: 1.2s; }
@keyframes nodepulse { 0%{opacity:.5;transform:scale(1)} 70%,100%{opacity:0;transform:scale(3)} }

.timeline { position: relative; max-width: 760px; margin: clamp(3rem, 6vw, 4.5rem) auto 0; }
.timeline__progress { position: absolute; left: 36px; top: 0; bottom: 0; width: 1.5px; background: var(--line); }
.timeline__progress span { position: absolute; top: 0; left: 0; width: 100%; height: 0%; background: var(--grad); box-shadow: 0 0 12px rgba(91,157,255,0.5); }
.step { position: relative; display: grid; grid-template-columns: 74px 1fr; gap: 1.4rem; padding: 2rem 0; }
.step__index { position: relative; z-index: 2; }
.step__index span { width: 74px; height: 74px; display: grid; place-items: center; font-family: var(--display); font-weight: 600; font-size: 1.4rem; color: var(--accent); border: 1px solid var(--line-strong); border-radius: 14px; background: var(--bg); transition: .5s var(--ease); }
.step:hover .step__index span { background: var(--grad); color: #06070a; border-color: transparent; transform: translateY(-3px); }
.step__body { padding-top: .4rem; }
.step__body h3 { font-family: var(--display); font-weight: 500; font-size: clamp(1.5rem, 3.5vw, 2.3rem); margin-bottom: .5rem; transition: color .3s; }
.step:hover .step__body h3 { color: var(--accent); }
.step__body p { color: var(--ink-soft); font-weight: 300; max-width: 540px; margin-bottom: 1rem; }
.step__tags { display: flex; flex-wrap: wrap; gap: .45rem; }
.step__tags span { font-family: var(--mono); font-size: .7rem; color: var(--ink-faint); padding: .28rem .6rem; border: 1px solid var(--line); border-radius: 6px; }

/* ============================================================
   WORK
   ============================================================ */
.work { padding-bottom: clamp(4rem, 9vw, 7rem); }
.work__list { margin-top: clamp(3rem, 6vw, 4rem); border-top: 1px solid var(--line); }
.work-item { position: relative; display: flex; flex-direction: column; gap: .9rem; padding: clamp(1.8rem, 4vw, 3rem) 0; border-bottom: 1px solid var(--line); transition: padding .5s var(--ease); }
.work-item::before { content: ""; position: absolute; left: calc(-1 * var(--pad)); right: calc(-1 * var(--pad)); top: 0; bottom: 0; background: linear-gradient(160deg, var(--bg-card), transparent); opacity: 0; border-radius: 14px; transition: opacity .5s; z-index: -1; }
.work-item:hover { padding-left: clamp(.75rem, 2vw, 1.5rem); }
.work-item:hover::before { opacity: 1; }
.work-item__meta { display: flex; align-items: center; gap: 1rem; font-family: var(--mono); font-size: .74rem; }
.work-item__tag { color: var(--accent); }
.work-item__year { color: var(--ink-faint); }
.work-item__title { font-family: var(--display); font-weight: 500; font-size: clamp(1.5rem, 4vw, 2.6rem); line-height: 1.1; letter-spacing: -0.01em; max-width: 800px; transition: color .3s; }
.work-item:hover .work-item__title { color: var(--accent); }
.work-item__desc { color: var(--ink-soft); font-weight: 300; max-width: 640px; }
.work-item__stats { display: flex; flex-wrap: wrap; gap: clamp(1.5rem, 4vw, 3.5rem); margin-top: .5rem; }
.work-item__stats div { display: flex; flex-direction: column; }
.work-item__stats strong { font-family: var(--display); font-weight: 600; font-size: clamp(1.5rem, 3vw, 2.1rem); background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1.1; }
.work-item__stats span { font-size: .76rem; color: var(--ink-faint); }
.work-item__arrow { position: absolute; top: clamp(1.8rem, 4vw, 3rem); right: 0; width: 46px; height: 46px; display: grid; place-items: center; border: 1px solid var(--line-strong); border-radius: 12px; color: var(--accent); opacity: 0; transform: translateX(-10px); transition: .5s var(--ease); }
.work-item__arrow svg { width: 20px; height: 20px; }
.work-item:hover .work-item__arrow { opacity: 1; transform: translateX(0); background: var(--accent-soft); }
@media (max-width: 600px) { .work-item__arrow { display: none; } }

/* ============================================================
   ABOUT
   ============================================================ */
.about { padding-block: clamp(4.5rem, 10vw, 8rem); }
.about__grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2.5rem, 6vw, 5rem); align-items: center; }
.about__text .section-kicker { text-align: left; }
.about__text .section-title { font-family: var(--display); font-weight: 600; font-size: clamp(2rem, 4.5vw, 3.4rem); line-height: 1.08; letter-spacing: -0.02em; margin-bottom: 1.4rem; }
.about__text p { color: var(--ink-soft); font-weight: 300; font-size: 1.02rem; margin-bottom: 1.1rem; max-width: 560px; }
.expertise { margin: 1.6rem 0 .4rem; }
.expertise__label { font-family: var(--mono); font-size: .72rem; letter-spacing: .06em; color: var(--ink-faint); display: block; margin-bottom: .8rem; }
.expertise ul { list-style: none; display: flex; flex-wrap: wrap; gap: .45rem; }
.expertise li { font-family: var(--mono); font-size: .78rem; color: var(--ink-soft); padding: .4rem .8rem; border: 1px solid var(--line); border-radius: 6px; transition: .3s var(--ease); }
.expertise li:hover { border-color: var(--accent); color: var(--ink); transform: translateY(-2px); }
.about__text .btn { margin-top: 1.4rem; }
.about__stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.stat { background: var(--bg-card); padding: clamp(1.5rem, 3vw, 2.2rem); display: flex; flex-direction: column; gap: .5rem; transition: background .4s; }
.stat:hover { background: var(--bg-card-2); }
.stat strong { font-family: var(--display); font-weight: 600; font-size: clamp(2.2rem, 5vw, 3.2rem); background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1; }
.stat span { font-size: .82rem; color: var(--ink-faint); line-height: 1.4; }

/* ============================================================
   FAQ
   ============================================================ */
.faq { padding-bottom: clamp(4rem, 9vw, 7rem); }
.faq__list { max-width: 800px; margin: clamp(3rem, 6vw, 4rem) auto 0; }
.faq__item { border-top: 1px solid var(--line); }
.faq__item:last-child { border-bottom: 1px solid var(--line); }
.faq__item summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding: 1.5rem 0; font-family: var(--display); font-weight: 500; font-size: clamp(1.1rem, 2.4vw, 1.45rem); transition: color .3s; }
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary:hover { color: var(--accent); }
.faq__icon { position: relative; width: 16px; height: 16px; flex-shrink: 0; }
.faq__icon::before, .faq__icon::after { content: ""; position: absolute; background: var(--accent); transition: transform .35s var(--ease); }
.faq__icon::before { top: 50%; left: 0; width: 100%; height: 1.5px; transform: translateY(-50%); }
.faq__icon::after { left: 50%; top: 0; width: 1.5px; height: 100%; transform: translateX(-50%); }
.faq__item[open] .faq__icon::after { transform: translateX(-50%) scaleY(0); }
.faq__a { overflow: hidden; }
.faq__a p { color: var(--ink-soft); font-weight: 300; max-width: 680px; padding-bottom: 1.5rem; }
.faq__item[open] .faq__a { animation: faqopen .45s var(--ease); }
@keyframes faqopen { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }

/* ============================================================
   CONTACT
   ============================================================ */
.contact { position: relative; padding-block: clamp(5rem, 12vw, 9rem); overflow: hidden; border-top: 1px solid var(--line); }
.contact__aura { position: absolute; inset: 0; z-index: 0; background: radial-gradient(50% 55% at 50% 25%, rgba(91,157,255,0.12), transparent 70%); animation: float 16s ease-in-out infinite alternate; }
.contact__inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 6vw, 5rem); align-items: start; }
.contact__intro { text-align: left; }
.contact__intro .section-kicker { text-align: left; }
.contact__intro h2 { font-family: var(--display); font-weight: 600; font-size: clamp(2rem, 5vw, 3.6rem); line-height: 1.05; letter-spacing: -0.02em; margin-bottom: 1.1rem; }
.contact__intro > p { color: var(--ink-soft); font-weight: 300; font-size: 1.08rem; max-width: 440px; }

.contact__form { display: flex; flex-direction: column; gap: 1.4rem; }
.field { position: relative; }
.field input, .field textarea { width: 100%; background: rgba(255,255,255,0.02); color: var(--ink); border: 1px solid var(--line); border-radius: 10px; padding: 1.35rem 1rem .55rem; font-family: var(--sans); font-size: 1rem; transition: border-color .3s, background .3s; resize: vertical; }
.field textarea { padding-top: 1.5rem; }
.field label { position: absolute; left: 1rem; top: 1rem; color: var(--ink-faint); font-size: 1rem; pointer-events: none; transition: .25s var(--ease); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); background: rgba(255,255,255,0.04); }
.field input:focus + label, .field input:not(:placeholder-shown) + label,
.field textarea:focus + label, .field textarea:not(:placeholder-shown) + label { top: .45rem; font-size: .7rem; color: var(--accent); font-family: var(--mono); }
.field__error { display: none; margin-top: .35rem; font-size: .76rem; color: #ff8a8a; }
.field.invalid input, .field.invalid textarea { border-color: rgba(255,138,138,0.6); }
.field.invalid .field__error { display: block; }
.contact__form .btn { align-self: flex-start; margin-top: .3rem; }
.contact__status { font-family: var(--mono); font-size: .85rem; min-height: 1.2em; }
.contact__status.success { color: var(--accent-2); }
.contact__status.error { color: #ff8a8a; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { padding-block: clamp(3.5rem, 7vw, 5rem) 2.5rem; border-top: 1px solid var(--line); background: var(--bg-soft); }
.footer__cta { text-align: center; padding-bottom: clamp(2.5rem, 5vw, 3.5rem); border-bottom: 1px solid var(--line); }
.footer__email { font-family: var(--display); font-weight: 600; font-size: clamp(1.5rem, 5vw, 3rem); letter-spacing: -0.02em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; transition: opacity .3s; }
.footer__email:hover { opacity: .8; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2.5rem; padding-block: clamp(2.5rem, 5vw, 3.5rem); }
.footer__brand { display: flex; gap: 1rem; align-items: flex-start; max-width: 360px; }
.footer__mark { flex-shrink: 0; display: grid; place-items: center; padding-top: 4px; }
.footer__logo { height: 34px; width: auto; display: block; }
.footer__brand strong { font-family: var(--display); font-weight: 600; font-size: 1rem; display: block; margin-bottom: .4rem; }
.footer__brand p { color: var(--ink-soft); font-weight: 300; font-size: .9rem; }
.footer__links { display: flex; flex-direction: column; gap: .7rem; align-items: flex-start; }
.footer__heading { font-family: var(--mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: .3rem; }
.footer__links a { font-size: .9rem; color: var(--ink-soft); transition: color .3s; }
.footer__links a:hover { color: var(--accent); }
.footer__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; padding-top: 2rem; border-top: 1px solid var(--line); font-family: var(--mono); font-size: .76rem; color: var(--ink-faint); }

/* ============================================================
   LANGUAGE SUGGESTION BANNER
   ============================================================ */
@property --lb-angle { syntax: "<angle>"; initial-value: 0deg; inherits: false; }

.lang-banner {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: 8000;
  width: min(360px, calc(100vw - 2rem));
  padding: 1.4rem 1.5rem 1.5rem;
  border-radius: 16px;
  background: linear-gradient(160deg, var(--bg-card), var(--bg-soft));
  border: 1px solid var(--line-strong);
  box-shadow: 0 24px 60px -20px rgba(0,0,0,0.7), 0 0 44px -26px rgba(91,157,255,0.6);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  overflow: hidden;
  opacity: 0;
  transform: translateY(24px) scale(.98);
  transition: opacity .6s var(--ease-out), transform .6s var(--ease-out);
  will-change: transform, opacity;
}
.lang-banner.in { opacity: 1; transform: none; }
.lang-banner.out { opacity: 0; transform: translateY(24px) scale(.98); }

/* Rotating conic-gradient border ring (masked to a 1px edge) */
.lang-banner::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: conic-gradient(from var(--lb-angle),
    transparent 0deg, var(--accent) 70deg, var(--accent-2) 150deg, transparent 250deg, transparent 360deg);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  animation: lb-spin 6s linear infinite;
  pointer-events: none; z-index: 1;
}
@keyframes lb-spin { to { --lb-angle: 360deg; } }

/* Mouse-tracked glow — same technique as the service cards */
.lang-banner::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; z-index: 0;
  background: radial-gradient(300px circle at var(--mx, 85%) var(--my, 0%), rgba(91,157,255,0.14), transparent 45%);
  opacity: 0; transition: opacity .5s;
}
.lang-banner:hover::after { opacity: 1; }

.lang-banner > * { position: relative; z-index: 2; }

.lang-banner__readout {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .04em; color: var(--ink-faint);
  display: flex; align-items: center; gap: .5rem; margin-bottom: .85rem;
}
.lang-banner__dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--accent-2);
  box-shadow: 0 0 10px var(--accent-2); animation: pulse 2s infinite; flex-shrink: 0;
}
.lang-banner__title {
  font-family: var(--display); font-weight: 600; font-size: 1.3rem; line-height: 1.15;
  letter-spacing: -0.01em; margin-bottom: .5rem;
}
.lang-banner__text {
  font-size: .92rem; font-weight: 300; color: var(--ink-soft); line-height: 1.55; margin-bottom: 1.2rem;
}
.lang-banner__actions { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1rem; }
.lang-banner__accept { padding: .7rem 1.15rem; font-size: .9rem; }
.lang-banner__dismiss {
  background: none; border: none; cursor: pointer; font-family: var(--mono);
  font-size: .78rem; color: var(--ink-faint); padding: .4rem .2rem; transition: color .3s;
}
.lang-banner__dismiss:hover { color: var(--ink-soft); }
.lang-banner__close {
  position: absolute; top: .7rem; right: .7rem; z-index: 3;
  display: grid; place-items: center; width: 30px; height: 30px;
  background: none; border: 1px solid var(--line); border-radius: 8px;
  color: var(--ink-faint); cursor: pointer;
  transition: color .3s, border-color .3s, background .3s;
}
.lang-banner__close svg { width: 15px; height: 15px; }
.lang-banner__close:hover { color: var(--ink); border-color: var(--line-strong); background: rgba(255,255,255,0.03); }

@media (max-width: 480px) {
  .lang-banner { left: 1rem; right: 1rem; width: auto; }
}
@media (pointer: coarse) {
  /* Comfortable, accessible tap targets on touch devices */
  .lang-banner__close { width: 44px; height: 44px; top: .5rem; right: .5rem; }
  .lang-banner__dismiss { padding: .95rem .4rem; }
}

/* ============================================================
   RESPONSIVE — tablet & mobile
   ============================================================ */
@media (max-width: 980px) {
  .about__grid { grid-template-columns: 1fr; }
  .contact__inner { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 760px) {
  .cards { grid-template-columns: 1fr; }
  .flow__nodes text { font-size: 20px; }
}
@media (max-width: 560px) {
  .step { grid-template-columns: 54px 1fr; gap: 1rem; }
  .step__index span { width: 54px; height: 54px; font-size: 1.15rem; border-radius: 12px; }
  .timeline__progress { left: 27px; }
  .about__stats { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .hero__meta div { text-align: center; align-items: center; }
}

/* ============================================================
   Safe-area insets (viewport-fit=cover) + touch targets
   ============================================================ */
@supports (padding: max(0px, env(safe-area-inset-left))) {
  .nav { padding-left: max(var(--pad), env(safe-area-inset-left)); padding-right: max(var(--pad), env(safe-area-inset-right)); }
  .mobile-menu { padding-left: max(var(--pad), env(safe-area-inset-left)); padding-right: max(var(--pad), env(safe-area-inset-right)); }
  .wrap { padding-left: max(var(--pad), env(safe-area-inset-left)); padding-right: max(var(--pad), env(safe-area-inset-right)); }
}
@media (pointer: coarse) {
  /* Comfortable, accessible tap targets on touch devices */
  .nav__burger { min-width: 44px; min-height: 44px; align-items: center; justify-content: center; }
  .lang button { padding: .55rem .5rem; }
  .nav__links a { padding-block: .15rem; }
}