/* ============================================================
   EverByte Labs — styles
   Dark, technical, precise.
   ============================================================ */

:root {
  --bg:        #0a0a0b;
  --bg-elev:   #0f0f11;
  --bg-card:   #101013;
  --line:      rgba(255, 255, 255, 0.08);
  --line-soft: rgba(255, 255, 255, 0.05);

  --text:      #ededee;
  --muted:     #9a9aa2;
  --faint:     #6c6c74;

  --accent:        #5fd3e0;
  --accent-bright: #7ee6f1;
  --accent-soft:   rgba(95, 211, 224, 0.10);

  --maxw: 1140px;
  --pad: clamp(1.25rem, 4vw, 2.5rem);
  --radius: 14px;

  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; }
ul, ol { list-style: none; padding: 0; }

::selection { background: var(--accent); color: #04161a; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #04161a;
  padding: 0.6rem 1rem;
  border-radius: 0 0 8px 0;
  z-index: 100;
  font-weight: 600;
}
.skip-link:focus { left: 0; }

/* ---------- shared type ---------- */
.kicker {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.2rem;
}

.section__title {
  font-size: clamp(1.7rem, 3.6vw, 2.7rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.section__sub {
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  max-width: 56ch;
  margin-top: 1.1rem;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 500;
  font-size: 0.94rem;
  padding: 0.78rem 1.4rem;
  border-radius: 9px;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease),
              border-color 0.25s var(--ease), color 0.25s var(--ease);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn--solid {
  background: var(--accent);
  color: #04161a;
  font-weight: 600;
}
.btn--solid:hover { background: var(--accent-bright); }

.btn--ghost {
  border-color: var(--line);
  color: var(--text);
}
.btn--ghost:hover { border-color: var(--accent); color: var(--accent-bright); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  color: var(--accent);
  margin-top: 1.6rem;
  width: max-content;
}
.link-arrow span { transition: transform 0.25s var(--ease); }
.link-arrow:hover span { transform: translateX(4px); }

/* ---------- nav ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease),
              backdrop-filter 0.3s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(10, 10, 11, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--line);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--accent);
}
.brand__mark { flex: none; }
.brand__name {
  color: var(--text);
  font-weight: 600;
  letter-spacing: -0.02em;
  font-size: 1.02rem;
}
.brand__dim { color: var(--faint); font-weight: 500; }

.nav__links {
  display: flex;
  gap: 2rem;
  font-size: 0.92rem;
}
.nav__links a {
  color: var(--muted);
  transition: color 0.2s var(--ease);
  position: relative;
}
.nav__links a:hover { color: var(--text); }

.nav__cta { padding: 0.55rem 1.1rem; }

@media (max-width: 760px) {
  .nav__links { display: none; }
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding-top: clamp(8rem, 18vh, 11rem);
  padding-bottom: clamp(4rem, 10vh, 7rem);
  overflow: hidden;
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 28%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 28%, #000 0%, transparent 78%);
  pointer-events: none;
}
.hero__grid::after {
  content: "";
  position: absolute;
  top: -20%;
  left: 50%;
  width: 60vw;
  height: 60vh;
  transform: translateX(-50%);
  background: radial-gradient(circle, var(--accent-soft) 0%, transparent 65%);
  filter: blur(40px);
}
.hero__inner { position: relative; }

.hero__title {
  font-size: clamp(2.7rem, 8vw, 5.4rem);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.045em;
  margin-top: 0.4rem;
}
.hero__lede {
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.32rem);
  line-height: 1.55;
  max-width: 54ch;
  margin-top: 1.6rem;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2.4rem;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 4rem;
  max-width: 760px;
}
.stats__item { background: var(--bg); padding: 1.4rem 1.5rem; }
.stats__item dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 0.5rem;
}
.stats__item dd { color: var(--text); font-weight: 500; font-size: 0.98rem; }
@media (max-width: 620px) {
  .stats { grid-template-columns: 1fr; }
}

/* ---------- sections ---------- */
.section {
  padding-block: clamp(4.5rem, 11vh, 8rem);
  border-top: 1px solid var(--line);
}
.section--alt { background: var(--bg-elev); }
.section__head { margin-bottom: clamp(2.5rem, 5vw, 3.5rem); max-width: 64ch; }

/* ---------- divisions ---------- */
.divisions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
@media (max-width: 800px) { .divisions { grid-template-columns: 1fr; } }

.division {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.6rem, 3vw, 2.4rem);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.division:hover { border-color: rgba(95, 211, 224, 0.4); transform: translateY(-3px); }
.division__top { display: flex; align-items: center; gap: 0.9rem; margin-bottom: 1.2rem; }
.division__index {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  border: 1px solid var(--line);
  background: var(--accent-soft);
  padding: 0.32rem 0.55rem;
  border-radius: 6px;
}
.division__name { font-size: 1.45rem; font-weight: 600; letter-spacing: -0.02em; }
.division__desc { color: var(--muted); margin-bottom: 1.4rem; }
.division__list { display: grid; gap: 0.75rem; }
.division__list li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--text);
  font-size: 0.96rem;
}
.division__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--accent);
}

/* ---------- capabilities ---------- */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
@media (max-width: 860px) { .cap-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .cap-grid { grid-template-columns: 1fr; } }

.cap {
  background: var(--bg);
  padding: clamp(1.5rem, 2.6vw, 2.1rem);
  transition: background 0.3s var(--ease);
}
.cap:hover { background: var(--bg-card); }
.cap__no {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--accent);
}
.cap h3 { font-size: 1.16rem; font-weight: 600; margin: 0.9rem 0 0.6rem; letter-spacing: -0.02em; }
.cap p { color: var(--muted); font-size: 0.94rem; }

/* ---------- capital ---------- */
.capital {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
@media (max-width: 860px) { .capital { grid-template-columns: 1fr; } }
.capital__intro .btn { margin-top: 1.8rem; }

.thesis { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.thesis__item {
  display: flex;
  gap: 1.3rem;
  align-items: flex-start;
  background: var(--bg-card);
  padding: 1.5rem clamp(1.4rem, 2.5vw, 2rem);
  transition: background 0.3s var(--ease);
}
.thesis__item:hover { background: var(--bg-elev); }
.thesis__n {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.9rem;
  min-width: 2.2rem;
  padding-top: 0.15rem;
}
.thesis__item h3 { font-size: 1.1rem; font-weight: 600; letter-spacing: -0.02em; margin-bottom: 0.35rem; }
.thesis__item p { color: var(--muted); font-size: 0.95rem; }

/* ---------- principles ---------- */
.principles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
@media (max-width: 700px) { .principles { grid-template-columns: 1fr; } }
.principle {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 3vw, 2.1rem);
  background: var(--bg-card);
}
.principle h3 {
  font-size: 1.18rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.6rem;
}
.principle h3::before {
  content: "→ ";
  color: var(--accent);
}
.principle p { color: var(--muted); font-size: 0.96rem; }

/* ---------- contact ---------- */
.contact { text-align: center; }
.contact__inner { max-width: 60ch; margin-inline: auto; }
.contact__title {
  font-size: clamp(1.9rem, 4.5vw, 3.1rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
}
.contact__sub { color: var(--muted); margin-top: 1.2rem; font-size: 1.08rem; }
.contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  justify-content: center;
  margin-top: 2.2rem;
}

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--line); padding-block: 2.6rem; }
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.footer__brand p { color: var(--faint); font-size: 0.88rem; margin-top: 0.35rem; }
.footer__meta {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--muted);
  font-size: 0.88rem;
  font-family: var(--font-mono);
}
.footer__meta a:hover { color: var(--accent); }
.footer__dot { color: var(--faint); }

/* ---------- scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }