/* ============================================================
   Lambdaserve — dark primary · blue + white secondary
   low-poly atmosphere referencing the Otaru theme
   ============================================================ */

:root{
  --bg:#0b0e14;
  --bg-2:#11151f;
  --panel:#121723;
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.16);
  --ink:#f3f6fc;
  --ink-2:#aab4c4;
  --ink-dim:#727d90;
  --acc:#3b82f6;
  --acc-bright:#6aa6ff;
  --acc-deep:#2563eb;
  --acc-tint:rgba(59,130,246,.14);
  --acc-line:rgba(59,130,246,.4);
  --r:14px;
  --maxw:1140px;
  --hex:polygon(25% 5%,75% 5%,100% 50%,75% 95%,25% 95%,0% 50%);
  --ease:cubic-bezier(.22,.61,.36,1);
  --display:"Syne",sans-serif;
  --body:"Sora",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--ink-2);
  font-family:var(--body);font-weight:300;line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,svg{display:block}
a{color:inherit;text-decoration:none}
strong{color:var(--ink);font-weight:500}

/* ── brand lockup ───────────────────────────────────── */
.brand{display:inline-flex;align-items:center}
.brand img{height:30px;width:auto}

/* ── nav ────────────────────────────────────────────── */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:1rem clamp(1.25rem,5vw,3rem);
  transition:background .35s var(--ease),border-color .35s,backdrop-filter .35s;
  border-bottom:1px solid transparent;
}
.nav.is-stuck{background:rgba(11,14,20,.72);backdrop-filter:blur(14px) saturate(140%);border-bottom-color:var(--line)}
.nav__links{display:flex;align-items:center;gap:clamp(1rem,2.4vw,2rem)}
.nav__links a{font-size:.92rem;color:var(--ink-2);transition:color .25s}
.nav__links a:not(.nav__cta):hover{color:var(--ink)}
.nav__cta{background:var(--acc);color:#fff;border-radius:100px;padding:.52rem 1.1rem;
  transition:background .25s,transform .25s var(--ease),box-shadow .25s}
.nav__cta:hover{background:var(--acc-deep);transform:translateY(-1px);box-shadow:0 10px 26px -10px var(--acc)}
@media(max-width:600px){.nav__links a:not(.nav__cta){display:none}}

/* ── hero ───────────────────────────────────────────── */
.hero{position:relative;padding:clamp(8rem,15vh,11rem) clamp(1.25rem,5vw,3rem) clamp(3.5rem,7vw,6rem);overflow:hidden}
.hero__bg{position:absolute;inset:0;z-index:-2;background:url("/assets/lowpoly-dark.png") center/cover no-repeat}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(60% 55% at 80% 16%,rgba(59,130,246,.26),transparent 60%),
    linear-gradient(180deg,rgba(11,14,20,.5) 0%,rgba(11,14,20,.74) 55%,var(--bg) 100%)}
.hero__inner{max-width:var(--maxw);margin:0 auto}
.hero__title{
  font-family:var(--display);font-weight:800;color:var(--ink);
  font-size:clamp(2rem,4.4vw,3.5rem);line-height:1.07;letter-spacing:-.02em;max-width:17ch;
}
.hero__title span{display:block}
.accent{color:var(--acc-bright)}
.hero__lede{color:var(--ink-2);font-size:clamp(1rem,1.4vw,1.15rem);max-width:52ch;margin-top:1.5rem}
.hero__actions{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:2rem}

/* ── buttons ────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;gap:.55rem;font-size:.93rem;
  padding:.78rem 1.4rem;border-radius:100px;border:1px solid transparent;cursor:pointer;
  transition:transform .25s var(--ease),background .25s,box-shadow .25s,border-color .25s,color .25s}
.btn span{transition:transform .25s var(--ease)}
.btn:hover span{transform:translateX(4px)}
.btn--primary{background:var(--acc);color:#fff}
.btn--primary:hover{background:var(--acc-deep);transform:translateY(-2px);box-shadow:0 16px 34px -14px var(--acc)}
.btn--ghost{border-color:var(--line-2);color:var(--ink);background:rgba(255,255,255,.03)}
.btn--ghost:hover{border-color:var(--acc);color:var(--acc-bright)}
.btn--lg{padding:.95rem 1.65rem;font-size:1rem}

/* ── sections ───────────────────────────────────────── */
.section{max-width:var(--maxw);margin:0 auto;padding:clamp(3.5rem,8vw,6rem) clamp(1.25rem,5vw,3rem)}
.eyebrow{display:inline-flex;align-items:center;gap:.55rem;
  font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--acc-bright);margin-bottom:.85rem}
.hex{width:11px;height:12px;background:var(--acc);clip-path:var(--hex);display:inline-block}
.section__head{max-width:600px;margin-bottom:clamp(1.8rem,3.5vw,2.6rem)}
.section__title{font-family:var(--display);font-weight:700;color:var(--ink);
  font-size:clamp(1.6rem,3.2vw,2.3rem);line-height:1.1;letter-spacing:-.02em}
.section__sub{color:var(--ink-2);font-size:1rem;margin-top:.9rem;max-width:50ch}

/* ── products (uniform cards) ───────────────────────── */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.card{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  padding:1.5rem 1.4rem;min-height:230px;display:flex;flex-direction:column;
  transition:transform .3s var(--ease),border-color .3s,background .3s}
.card:hover{transform:translateY(-5px);border-color:var(--line-2);background:var(--bg-2)}
.card__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem}
.card__no{font-family:var(--mono);font-size:.74rem;color:var(--ink-dim);letter-spacing:.1em}
.card__name{font-family:var(--display);font-weight:700;color:var(--ink);font-size:1.25rem;
  letter-spacing:-.01em;margin-bottom:.5rem}
.card__body{color:var(--ink-2);font-size:.92rem;flex:1}
.card .link{margin-top:1.1rem}
@media(max-width:880px){.cards{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.cards{grid-template-columns:1fr}.card{min-height:0}}

.link{font-family:var(--mono);font-size:.83rem;color:var(--acc-bright);
  display:inline-flex;gap:.4rem;align-items:center;transition:gap .25s}
.link:hover{gap:.7rem}

/* ── tags ───────────────────────────────────────────── */
.tag{display:inline-flex;align-items:center;gap:.4rem;font-family:var(--mono);
  font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;
  padding:.3rem .6rem;border-radius:6px;border:1px solid var(--line-2);width:fit-content}
.tag__dot{width:6px;height:6px;border-radius:50%;background:var(--acc-bright)}
.tag--live{color:var(--acc-bright);border-color:var(--acc-line);background:var(--acc-tint)}
.tag--soon{color:var(--ink-dim)}

/* ── cloud ──────────────────────────────────────────── */
.section--cloud{border-top:1px solid var(--line)}
.partners{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-bottom:1.4rem}
.partner{background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:1.7rem 1.2rem;min-height:150px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;
  transition:transform .3s var(--ease),box-shadow .3s}
.partner img{height:44px;width:auto;object-fit:contain}
.partner__name{font-family:var(--mono);font-size:.82rem;color:#0b1220;letter-spacing:.02em;text-align:center}
.partner__via{display:block;font-size:.66rem;color:var(--acc-deep);margin-top:.3rem;letter-spacing:.01em}
.partner--link{cursor:pointer}
.partner--link:hover{transform:translateY(-5px);box-shadow:0 22px 44px -22px rgba(0,0,0,.6)}
.partners{margin-bottom:2.6rem}
@media(max-width:640px){.partners{grid-template-columns:1fr}}

.services{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.service{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  padding:1.8rem 1.6rem;transition:transform .3s var(--ease),border-color .3s,background .3s}
.service:hover{transform:translateY(-4px);border-color:var(--acc-line);background:var(--bg-2)}
.service h3{font-family:var(--display);font-weight:700;color:var(--ink);font-size:1.22rem;
  margin-bottom:.55rem;letter-spacing:-.01em}
.service p{color:var(--ink-2);font-size:.95rem}
@media(max-width:680px){.services{grid-template-columns:1fr}}

/* ── contact ────────────────────────────────────────── */
.cta__panel{position:relative;overflow:hidden;text-align:center;border-radius:20px;
  border:1px solid var(--acc-line);padding:clamp(2.5rem,6vw,4.5rem) 1.5rem}
.cta__bg{position:absolute;inset:0;z-index:0;background:url("/assets/lowpoly-dark.png") center/cover;opacity:.9}
.cta__panel::after{content:"";position:absolute;inset:0;z-index:1;
  background:radial-gradient(80% 120% at 50% 0%,rgba(59,130,246,.35),rgba(11,14,20,.72) 70%)}
.cta__title,.cta__sub,.cta__panel .btn{position:relative;z-index:2}
.cta__title{font-family:var(--display);font-weight:700;color:var(--ink);
  font-size:clamp(1.6rem,3.6vw,2.5rem);line-height:1.1;letter-spacing:-.02em}
.cta__sub{color:var(--ink-2);margin:.7rem 0 1.8rem;font-size:1rem}

/* ── footer ─────────────────────────────────────────── */
.footer{border-top:1px solid var(--line);max-width:var(--maxw);margin:0 auto;
  padding:clamp(2.5rem,5vw,3.5rem) clamp(1.25rem,5vw,3rem) 2.2rem}
.footer__top{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:2.5rem;align-items:start}
.footer__brand p{color:var(--ink-dim);font-size:.9rem;margin-top:.9rem;max-width:28ch}
.footer__address{font-style:normal;color:var(--ink-dim);font-size:.88rem;line-height:1.75}
.footer__links{display:flex;flex-direction:column;gap:.7rem;font-size:.9rem}
.footer__links a{color:var(--ink-2);transition:color .25s}
.footer__links a:hover{color:var(--acc-bright)}
.footer__base{margin-top:2.4rem;padding-top:1.5rem;border-top:1px solid var(--line);
  text-align:center;font-family:var(--mono);font-size:.76rem;color:var(--ink-dim)}
@media(max-width:680px){.footer__top{grid-template-columns:1fr;gap:1.8rem}}

/* ── reveals ────────────────────────────────────────── */
.reveal,.reveal-up{opacity:0}
.reveal{animation:fadeUp .7s var(--ease) forwards;animation-delay:var(--d,0s)}
.reveal-up{transform:translateY(20px)}
.reveal-up.in{animation:fadeUp .6s var(--ease) forwards;animation-delay:var(--d,0s)}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto}
  .reveal,.reveal-up{opacity:1;transform:none}
}