/* =========================================================
   LANCEI NO DIGITAL — V1 (frontend-design)
   Dark cinematic · electric BLUE · editorial motion
   ========================================================= */

:root {
  /* palette */
  --bg:        #0A0B0D;
  --bg-2:      #0E1012;
  --surface:   #131619;
  --surface-2: #191D21;
  --line:      rgba(255, 255, 255, .09);
  --line-soft: rgba(255, 255, 255, .05);

  --text:  #EEF2F8;
  --muted: #98A2B3;
  --faint: #616B7A;

  --accent:   #3D7EFF;   /* electric blue */
  --accent-2: #2ED9F0;   /* cyan */
  --accent-3: #6C63FF;   /* indigo (mesh depth) */
  --accent-ink: #FFFFFF;

  /* type */
  --font-display: "Bricolage Grotesque", "Hanken Grotesk", sans-serif;
  --font-body: "Hanken Grotesk", system-ui, sans-serif;
  --font-mono: "Space Mono", ui-monospace, monospace;

  /* rhythm */
  --maxw: 1240px;
  --pad: clamp(20px, 5vw, 80px);
  --radius: 18px;

  --ease: cubic-bezier(.22, 1, .36, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: clamp(16px, 1.05vw, 18px);
  line-height: 1.6;
  letter-spacing: -.01em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img, svg { display: block; max-width: 100%; }
em { font-style: normal; color: var(--text); }
::selection { background: var(--accent); color: var(--accent-ink); }

/* ---------- version switcher ---------- */
.switcher {
  position: fixed; left: 16px; bottom: 16px; z-index: 70;
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--text); background: rgba(20,23,26,.8); backdrop-filter: blur(10px);
  border: 1px solid var(--line); padding: 9px 14px; border-radius: 100px;
  transition: border-color .3s var(--ease), color .3s var(--ease);
}
.switcher:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- utility ---------- */
.text-accent { color: var(--accent); }
.kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: .72rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--muted);
}
.kicker__dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(61,126,255,.18), 0 0 18px var(--accent);
  animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.35} }

/* =========================================================
   ATMOSPHERE: grain, spotlight, scroll progress
   ========================================================= */
.grain {
  position: fixed; inset: 0; z-index: 3; pointer-events: none;
  opacity: .05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.spotlight {
  position: fixed; z-index: 1; pointer-events: none; inset: 0;
  background: radial-gradient(340px circle at var(--mx, 50%) var(--my, 30%),
              rgba(61,126,255,.12), transparent 62%);
  transition: opacity .4s var(--ease);
}
.scroll-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 60;
  pointer-events: none;
}
.scroll-progress span {
  display: block; height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 14px var(--accent);
}

/* =========================================================
   NAV
   ========================================================= */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 18px var(--pad);
  transition: padding .4s var(--ease), background .4s var(--ease), border-color .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  padding-top: 12px; padding-bottom: 12px;
  background: rgba(10,11,13,.72);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--text); }
.brand__mark { color: var(--accent); flex: none; }
.brand__text {
  font-family: var(--font-display); font-weight: 800; font-size: 1.12rem;
  letter-spacing: -.02em; line-height: 1;
}
.brand__accent { color: var(--accent); }
.brand--lg .brand__text { font-size: 1.5rem; }

.nav__links { display: flex; gap: 34px; }
.nav__links a {
  font-size: .93rem; color: var(--muted); position: relative; padding: 4px 0;
  transition: color .3s var(--ease);
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 2px; width: 0;
  background: var(--accent); transition: width .35s var(--ease);
}
.nav__links a:hover { color: var(--text); }
.nav__links a:hover::after { width: 100%; }

.nav__burger {
  display: none; flex-direction: column; gap: 6px; background: none; border: 0;
  cursor: pointer; padding: 8px;
}
.nav__burger span {
  width: 26px; height: 2px; background: var(--text); border-radius: 2px;
  transition: transform .35s var(--ease), opacity .3s var(--ease);
}
.nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { transform: translateY(-0px) rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: 0; z-index: 45;
  background: rgba(10,11,13,.96); backdrop-filter: blur(20px);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 26px;
  opacity: 0; visibility: hidden; transition: opacity .4s var(--ease), visibility .4s;
}
.mobile-menu.is-open { opacity: 1; visibility: visible; }
.mobile-menu a { font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; }
.mobile-menu .btn { font-size: 1.05rem; margin-top: 10px; }

/* =========================================================
   BUTTONS
   ========================================================= */
.btn {
  --bh: 56px;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: var(--bh); padding: 0 26px; border-radius: 100px;
  font-family: var(--font-body); font-weight: 700; font-size: .98rem; letter-spacing: -.01em;
  background: var(--accent); color: var(--accent-ink);
  border: 1px solid var(--accent);
  cursor: pointer; white-space: nowrap;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease);
  box-shadow: 0 10px 30px -12px rgba(61,126,255,.6);
  will-change: transform;
}
.btn:hover { box-shadow: 0 16px 40px -10px rgba(61,126,255,.75); background: #5C93FF; }
.btn:active { transform: scale(.97); }
.btn svg { transition: transform .3s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn--sm { --bh: 44px; font-size: .9rem; padding: 0 20px; }
.btn--lg { --bh: 62px; font-size: 1.05rem; padding: 0 32px; }
.btn--ghost {
  background: transparent; color: var(--text); border: 1px solid var(--line);
  box-shadow: none;
}
.btn--ghost:hover { background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.25); }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative; min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 140px var(--pad) 90px;
  overflow: hidden;
}
.hero__inner { position: relative; z-index: 4; max-width: var(--maxw); margin: 0 auto; width: 100%; }

/* animated mesh */
.hero__mesh { position: absolute; inset: -20% -10% 0; z-index: 0; filter: blur(60px); }
.blob { position: absolute; border-radius: 50%; opacity: .5; mix-blend-mode: screen; }
.blob--1 { width: 46vw; height: 46vw; left: -6vw; top: 2vw;
  background: radial-gradient(circle, var(--accent) 0%, transparent 64%);
  animation: drift1 20s var(--ease) infinite alternate; }
.blob--2 { width: 40vw; height: 40vw; right: -4vw; top: -6vw;
  background: radial-gradient(circle, var(--accent-2) 0%, transparent 66%); opacity: .38;
  animation: drift2 26s var(--ease) infinite alternate; }
.blob--3 { width: 34vw; height: 34vw; left: 34vw; bottom: -14vw;
  background: radial-gradient(circle, var(--accent-3) 0%, transparent 68%); opacity: .3;
  animation: drift3 30s var(--ease) infinite alternate; }
@keyframes drift1 { to { transform: translate(14%, 8%) scale(1.15); } }
@keyframes drift2 { to { transform: translate(-12%, 14%) scale(1.2); } }
@keyframes drift3 { to { transform: translate(10%, -12%) scale(1.1); } }

/* grid */
.hero__grid {
  position: absolute; inset: 0; z-index: 1; opacity: .5;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 78%);
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.7rem, 8.2vw, 7rem);
  line-height: .98; letter-spacing: -.035em;
  margin: 26px 0 0;
}
.hero__title .line { display: block; overflow: hidden; }

/* rotator */
.rotator { position: relative; display: inline-grid; vertical-align: bottom; }
.rotator__word {
  grid-area: 1 / 1;
  color: var(--accent);
  opacity: 0; transform: translateY(60%) rotate(4deg);
  transition: opacity .5s var(--ease), transform .6s var(--ease);
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.rotator__word.is-active { opacity: 1; transform: translateY(0) rotate(0); }
.rotator__word.is-leaving { opacity: 0; transform: translateY(-60%) rotate(-4deg); }

.hero__sub {
  max-width: 620px; margin: 32px 0 0;
  font-size: clamp(1.05rem, 1.5vw, 1.32rem); color: var(--muted); line-height: 1.55;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 40px; }

.hero__stats {
  display: flex; flex-wrap: wrap; gap: clamp(28px, 5vw, 64px);
  margin-top: 64px; padding-top: 34px; border-top: 1px solid var(--line);
}
.hero__stats li { display: flex; flex-direction: column; gap: 4px; }
.hero__stats strong {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(1.9rem, 3.4vw, 2.9rem); line-height: 1; letter-spacing: -.03em;
  color: var(--text);
}
.hero__stats span { font-size: .86rem; color: var(--faint); max-width: 150px; }

.hero__scroll {
  position: absolute; z-index: 4; left: 50%; bottom: 26px; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: .66rem; letter-spacing: .22em;
  text-transform: uppercase; color: var(--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(--accent); animation: scrolldot 2s var(--ease) infinite; }
@keyframes scrolldot { 0%{transform:translateY(-100%)} 100%{transform:translateY(280%)} }

/* =========================================================
   MARQUEE
   ========================================================= */
.marquee {
  overflow: hidden; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: var(--bg-2); padding: 22px 0;
}
.marquee__track { display: flex; width: max-content; animation: marquee 28s linear infinite; }
.marquee__track span {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.4rem, 3.2vw, 2.4rem); letter-spacing: -.02em;
  color: var(--text); padding-right: 1rem; white-space: nowrap;
}
.marquee__track b { color: var(--accent); font-weight: 400; }
@keyframes marquee { to { transform: translateX(-50%); } }
.marquee:hover .marquee__track { animation-play-state: paused; }

/* =========================================================
   SECTIONS shared
   ========================================================= */
.section { max-width: var(--maxw); margin: 0 auto; padding: clamp(80px, 12vw, 150px) var(--pad); }
.section__head { max-width: 780px; margin-bottom: clamp(48px, 7vw, 84px); }
.section__title {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.6rem); line-height: 1.02; letter-spacing: -.03em;
  margin-top: 18px;
}
.section__lead { margin-top: 22px; font-size: clamp(1.02rem, 1.4vw, 1.2rem); color: var(--muted); max-width: 620px; }

/* =========================================================
   SERVICES
   ========================================================= */
.svc-list { border-top: 1px solid var(--line); }
.svc {
  position: relative; display: grid;
  grid-template-columns: 90px 1fr 240px; gap: clamp(20px, 4vw, 56px); align-items: center;
  padding: clamp(30px, 4vw, 46px) 0;
  border-bottom: 1px solid var(--line);
  transition: background .4s var(--ease);
}
.svc::before {
  content: ""; position: absolute; left: calc(var(--pad) * -1); right: calc(var(--pad) * -1); top: 0; bottom: 0;
  background: linear-gradient(90deg, rgba(61,126,255,.08), transparent 60%);
  opacity: 0; transition: opacity .4s var(--ease); z-index: -1;
}
.svc:hover::before { opacity: 1; }
.svc__num {
  font-family: var(--font-mono); font-size: 1rem; color: var(--faint);
  transition: color .35s var(--ease);
}
.svc:hover .svc__num { color: var(--accent); }
.svc__title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.7rem, 3.6vw, 2.9rem); line-height: 1; letter-spacing: -.03em;
  transition: transform .4s var(--ease);
}
.svc:hover .svc__title { transform: translateX(8px); }
.svc__tag { margin-top: 10px; color: var(--accent); font-weight: 600; font-size: 1rem; }
.svc__desc { margin-top: 14px; color: var(--muted); max-width: 560px; }
.svc__chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.svc__chips li {
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .04em;
  color: var(--muted); padding: 5px 12px; border: 1px solid var(--line);
  border-radius: 100px; background: var(--surface);
}
.svc__art {
  height: 150px; border-radius: var(--radius); border: 1px solid var(--line);
  background: var(--surface); position: relative; overflow: hidden;
}
.svc__art::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(120px circle at 30% 20%, rgba(61,126,255,.4), transparent 60%),
    radial-gradient(120px circle at 80% 90%, rgba(46,217,240,.32), transparent 60%);
  transition: transform .6s var(--ease); transform: scale(1.05);
}
.svc:hover .svc__art::before { transform: scale(1.3) rotate(8deg); }
.svc__art::after {
  content: attr(data-art); position: absolute; inset: 0;
  display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 800; font-size: 5rem;
  color: rgba(255,255,255,.06);
}

/* =========================================================
   METHOD
   ========================================================= */
.steps { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.steps__line {
  position: absolute; top: 26px; left: 0; right: 0; height: 2px;
  background: var(--line);
}
.steps__line span {
  display: block; height: 100%; width: 0; transition: width 1.4s var(--ease);
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 12px var(--accent);
}
.steps.is-drawn .steps__line span { width: 100%; }
.step__num {
  width: 52px; height: 52px; border-radius: 50%;
  display: grid; place-items: center; position: relative; z-index: 2;
  font-family: var(--font-mono); font-size: .95rem; font-weight: 700;
  background: var(--surface); border: 1px solid var(--line); color: var(--accent);
}
.step h3 { font-family: var(--font-display); font-size: 1.35rem; font-weight: 700; margin: 22px 0 10px; letter-spacing: -.02em; }
.step p { color: var(--muted); font-size: .96rem; }

/* =========================================================
   MANIFESTO
   ========================================================= */
.manifesto {
  position: relative; overflow: hidden;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: clamp(90px, 14vw, 180px) var(--pad);
}
.manifesto__mesh {
  position: absolute; inset: 0; z-index: 0; opacity: .5;
  background:
    radial-gradient(50vw 40vw at 20% 30%, rgba(46,217,240,.14), transparent 60%),
    radial-gradient(50vw 40vw at 80% 70%, rgba(61,126,255,.16), transparent 60%);
}
.manifesto__text {
  position: relative; z-index: 1; max-width: 1000px; margin: 0 auto; text-align: center;
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.7rem, 4.4vw, 3.4rem); line-height: 1.15; letter-spacing: -.025em;
}

/* =========================================================
   NUMBERS
   ========================================================= */
.numbers__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.num {
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface);
  padding: 34px 28px; display: flex; flex-direction: column; gap: 12px;
  transition: transform .4s var(--ease), border-color .4s var(--ease), background .4s var(--ease);
}
.num:hover { transform: translateY(-6px); border-color: rgba(61,126,255,.5); background: var(--surface-2); }
.num strong {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2.2rem, 4vw, 3.2rem); line-height: 1; letter-spacing: -.03em;
  background: linear-gradient(120deg, var(--text), var(--accent));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.num span { color: var(--muted); font-size: .92rem; }
.numbers__note { margin-top: 26px; font-family: var(--font-mono); font-size: .72rem; color: var(--faint); }

/* =========================================================
   CTA
   ========================================================= */
.cta { padding-top: clamp(40px, 6vw, 80px); }
.cta__card {
  position: relative; overflow: hidden;
  border: 1px solid var(--line); border-radius: 28px;
  background: linear-gradient(180deg, var(--surface), var(--bg-2));
  padding: clamp(44px, 7vw, 92px) clamp(28px, 6vw, 80px);
  text-align: center;
}
.cta__mesh {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(40vw 30vw at 15% 10%, rgba(61,126,255,.24), transparent 60%),
    radial-gradient(40vw 30vw at 85% 100%, rgba(46,217,240,.18), transparent 60%);
}
.cta__card > * { position: relative; z-index: 1; }
.cta .kicker { justify-content: center; margin-bottom: 22px; }
.cta__title {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2rem, 5.6vw, 4rem); line-height: 1.02; letter-spacing: -.03em;
}
.cta__sub { max-width: 560px; margin: 22px auto 0; color: var(--muted); font-size: clamp(1rem, 1.4vw, 1.18rem); }
.cta__actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: 40px; }

/* =========================================================
   FOOTER
   ========================================================= */
.footer { border-top: 1px solid var(--line); padding: clamp(56px, 8vw, 90px) var(--pad) 34px; background: var(--bg-2); }
.footer__top {
  max-width: var(--maxw); margin: 0 auto;
  display: grid; grid-template-columns: 1.2fr 1.8fr; gap: 48px;
}
.footer__brand p { margin-top: 18px; color: var(--muted); max-width: 320px; }
.footer__nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer__nav h4 {
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--faint); margin-bottom: 16px; font-weight: 400;
}
.footer__nav a { display: block; color: var(--muted); padding: 5px 0; font-size: .95rem; transition: color .3s var(--ease); }
.footer__nav a:hover { color: var(--accent); }
.footer__bottom {
  max-width: var(--maxw); margin: 48px auto 0; padding-top: 24px; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-family: var(--font-mono); font-size: .74rem; color: var(--faint);
}

/* =========================================================
   REVEAL ANIMATION
   ========================================================= */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease-out), transform .8s var(--ease-out); }
[data-reveal].is-in { opacity: 1; transform: none; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 960px) {
  .nav__links { display: none; }
  .nav > .btn--sm { display: none; }
  .nav__burger { display: flex; }
  .svc { grid-template-columns: 60px 1fr; }
  .svc__art { display: none; }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 40px 24px; }
  .steps__line { display: none; }
  .numbers__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__top { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 560px) {
  .hero { padding-top: 120px; }
  .hero__stats { gap: 24px 34px; }
  .steps { grid-template-columns: 1fr; }
  .numbers__grid { grid-template-columns: 1fr; }
  .footer__nav { grid-template-columns: 1fr 1fr; }
  .switcher { left: 12px; bottom: 12px; }
}

/* =========================================================
   MOTION SAFETY
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  [data-reveal] { opacity: 1; transform: none; }
}