/* ============================================================
   BoostYou Technologies — boostyoutechnologies.uk
   Design language: dark green-black + lime accent (Mirada) with
   structural white sections and giant grotesque type (Verdo).
   ============================================================ */

:root {
  --bg: #141414;
  --bg-deep: #0F100F;
  --ink: #FFFFFF;
  --muted: #9BA19D;
  --line: rgba(255, 255, 255, 0.16);
  --lime: #CDE95F;
  --lime-ink: #101204;
  --green-a: rgba(38, 84, 58, 0.85);
  --green-b: rgba(24, 52, 38, 0.5);

  --light-bg: #FAFAFA;
  --light-ink: #121312;
  --light-muted: #5D615E;
  --light-line: rgba(18, 19, 18, 0.7);

  --font: "Roboto", "Helvetica Neue", Arial, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --container: 1320px;
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1.125rem;
  font-weight: 300;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4.5vw, 3.5rem);
}

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--lime); color: var(--lime-ink);
  padding: 0.6rem 1rem; z-index: 200; font-weight: 500;
}
.skip-link:focus { left: 0; }

::selection { background: var(--lime); color: var(--lime-ink); }

/* ---------- Shared bits ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--lime); color: var(--lime-ink);
  font-weight: 500; font-size: 1.05rem;
  padding: 0.95rem 2.4rem; border-radius: 100px;
  transition: transform 0.35s var(--ease), background 0.3s;
}
.btn:hover { background: #DBF37A; transform: translateY(-2px); }

.circle-cta {
  width: clamp(150px, 14vw, 200px);
  height: clamp(150px, 14vw, 200px);
  flex: none; aspect-ratio: 1;
  border: 1.5px solid var(--lime); border-radius: 50%;
  display: grid; place-items: center;
  color: var(--lime); font-size: 1.6rem;
  transition: background 0.35s, color 0.35s, transform 0.5s var(--ease);
}
.circle-cta:hover { background: var(--lime); color: var(--lime-ink); transform: rotate(45deg); }
.circle-cta--lg { width: clamp(170px, 16vw, 230px); height: clamp(170px, 16vw, 230px); }

.label-pair { display: flex; flex-direction: column; gap: 0.2rem; }
.label-pair strong { font-weight: 500; font-size: 0.95rem; }
.label-pair span { color: var(--muted); font-size: 0.95rem; }

/* ---------- Nav ---------- */
.nav {
  position: fixed; inset-inline: 0; top: 0; z-index: 100;
  background: rgba(17, 18, 17, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  transition: background 0.35s;
}
.nav.is-scrolled { background: rgba(15, 16, 15, 0.92); }
.nav__inner {
  max-width: var(--container); margin-inline: auto;
  padding: 1.05rem clamp(1.25rem, 4.5vw, 3.5rem);
  display: flex; align-items: center; justify-content: space-between; gap: 2rem;
}
.nav__logo { display: inline-flex; align-items: center; gap: 0.7rem; }
.nav__mark {
  width: 34px; height: 22px; border-radius: 100px;
  background: var(--lime); flex: none;
}
.nav__wordmark { font-weight: 700; font-size: 1.45rem; letter-spacing: -0.01em; }

.nav__links { display: flex; gap: 2.6rem; }
.nav__links a {
  font-size: 1.02rem; font-weight: 400; color: var(--ink);
  transition: color 0.25s;
}
.nav__links a:hover { color: var(--lime); }

.nav__right { display: flex; align-items: center; gap: 1rem; }
.nav__social { display: flex; align-items: center; gap: 1.1rem; }
.nav__social a { color: var(--ink); transition: color 0.25s; }
.nav__social a:hover { color: var(--lime); }
.nav__social svg { width: 17px; height: 17px; }

.nav__burger {
  display: none; flex-direction: column; gap: 6px;
  background: none; border: 0; padding: 8px; cursor: pointer;
}
.nav__burger span {
  width: 24px; height: 2px; background: var(--ink);
  transition: transform 0.3s var(--ease);
}
.nav__burger[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

.mobile-menu {
  display: none; flex-direction: column;
  padding: 0.5rem clamp(1.25rem, 4.5vw, 3.5rem) 1.5rem;
  background: rgba(15, 16, 15, 0.97);
  border-bottom: 1px solid var(--line);
}
.mobile-menu a { padding: 0.7rem 0; font-size: 1.15rem; font-weight: 400; }
.mobile-menu a:hover { color: var(--lime); }
.mobile-menu.is-open { display: flex; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding-top: 7rem; padding-bottom: 3.5rem;
  overflow: hidden;
  background: var(--bg-deep);
}
.hero__glow {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 52% 75% at 78% 42%, var(--green-a), transparent 70%),
    radial-gradient(ellipse 40% 50% at 96% 90%, var(--green-b), transparent 75%);
}
.hero__inner {
  position: relative;
  display: grid; grid-template-columns: 1.35fr 1fr;
  gap: clamp(2.5rem, 6vw, 7rem);
  align-items: start;
  width: 100%;
}
.hero__title {
  font-weight: 500;
  font-size: clamp(3.2rem, 8.6vw, 7.5rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin-bottom: clamp(2rem, 4.5vh, 3.5rem);
}
.hero__title em { font-style: italic; font-weight: 400; }
.hero__rule {
  border: 0; border-top: 1px solid var(--line);
  margin-bottom: clamp(1.75rem, 4vh, 3rem);
}
.hero__sub {
  font-size: clamp(1.4rem, 2.3vw, 2rem);
  font-weight: 300;
  line-height: 1.35;
  max-width: 36rem;
  margin-bottom: clamp(2rem, 4.5vh, 3rem);
}
.hero__right {
  display: flex; flex-direction: column; align-items: flex-start;
  padding-top: clamp(1rem, 4vh, 4rem);
}
.industries {
  list-style: none;
  margin-top: 1rem;
  border-top: 1px solid var(--line);
  width: 100%;
}
.industries li {
  display: flex; align-items: baseline; gap: 1.4rem;
  padding: 0.95rem 0.25rem;
  border-bottom: 1px solid var(--line);
  font-weight: 400; font-size: 1.15rem;
}
.industries li span { color: var(--muted); font-size: 0.85rem; }
.hero__meta {
  position: relative;
  display: flex; gap: clamp(2.5rem, 8vw, 8rem); flex-wrap: wrap;
  margin-top: clamp(2.5rem, 6vh, 4.5rem);
}

/* ---------- About ---------- */
.about { background: var(--bg); }
.about .container { padding-block: clamp(5rem, 11vw, 9rem); }
.about__grid {
  display: grid; grid-template-columns: 1.25fr 1fr;
  gap: clamp(3rem, 6vw, 7rem);
  align-items: start;
}
.about__title {
  font-weight: 500;
  font-size: clamp(2.6rem, 5.6vw, 4.8rem);
  line-height: 1.05; letter-spacing: -0.02em;
  margin-bottom: 2.2rem;
}
.about__title em { font-style: italic; font-weight: 400; color: var(--lime); }
.about__lede {
  font-size: clamp(1.25rem, 1.9vw, 1.6rem);
  line-height: 1.45;
  color: var(--ink);
  max-width: 36rem;
  margin-bottom: clamp(2.5rem, 5vh, 4rem);
}
.about__stat { display: flex; align-items: flex-start; gap: 2rem; }
.about__stat-number {
  font-weight: 500;
  font-size: clamp(4.5rem, 9vw, 8rem);
  line-height: 0.95; letter-spacing: -0.03em;
}
.about__stat-caption { max-width: 20rem; padding-top: 0.6rem; }
.about__stat-caption strong {
  display: block; font-weight: 500; font-size: 1.15rem;
  margin-bottom: 0.4rem;
}
.about__stat-caption p { color: var(--muted); }
.about__side .about__steps,
.stack__rows,
.team-grid { margin-top: 1rem; }

.about__team {
  margin-top: clamp(3.5rem, 7vw, 6rem);
  border-top: 1px solid var(--line);
  padding-top: clamp(2.5rem, 5vw, 4rem);
  display: grid; grid-template-columns: 1.25fr 1fr;
  gap: clamp(3rem, 6vw, 7rem);
  align-items: start;
}
.about__team-head { display: flex; align-items: flex-start; gap: 2rem; }
.about__team-number {
  font-weight: 500;
  font-size: clamp(4.5rem, 9vw, 8rem);
  line-height: 0.95; letter-spacing: -0.03em;
  color: var(--lime);
}
.about__team-caption { color: var(--muted); max-width: 19rem; padding-top: 0.6rem; }
.team-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
}
.team-cell {
  display: flex; flex-direction: column; gap: 0.25rem;
  padding: 1.3rem 0.25rem;
  border-bottom: 1px solid var(--line);
}
.team-cell strong { font-weight: 500; font-size: clamp(1.3rem, 1.9vw, 1.7rem); letter-spacing: -0.01em; }
.team-cell span { color: var(--muted); font-size: 1rem; }
.team-cell:nth-child(odd) { padding-right: 1.5rem; }

.about__steps { border-top: 1px solid var(--line); }
.step-row {
  display: flex; align-items: baseline; gap: 1.6rem;
  padding: 1.15rem 0.25rem;
  border-bottom: 1px solid var(--line);
  transition: padding-left 0.35s var(--ease), background 0.3s;
}
.step-row:hover { padding-left: 0.9rem; background: rgba(255, 255, 255, 0.03); }
.step-row span { font-size: 0.85rem; color: var(--muted); }
.step-row strong { font-weight: 500; font-size: clamp(1.3rem, 1.9vw, 1.7rem); letter-spacing: -0.01em; }

/* ---------- Products (light, Verdo-style) ---------- */
.products { background: var(--light-bg); color: var(--light-ink); }
.products .container { padding-block: clamp(5rem, 11vw, 9rem); }
.products__head {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 2rem; flex-wrap: wrap;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}
.products__title {
  font-weight: 400;
  font-size: clamp(3.4rem, 8vw, 7rem);
  line-height: 1; letter-spacing: -0.03em;
}
.products__title .dot { font-size: 0.42em; vertical-align: 0.32em; }
.products__head-pair strong { color: var(--light-ink); }
.products__head-pair span { color: var(--light-muted); }

.cards {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.card {
  border-radius: 22px;
  padding: 2rem 1.9rem 1.9rem;
  display: flex; flex-direction: column;
  min-height: 420px;
  transition: transform 0.45s var(--ease);
}
.card:hover { transform: translateY(-8px); }
.card--dark { background: #060606; color: #FFFFFF; }
.card--lime { background: var(--lime); color: var(--lime-ink); }

.card__top {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: 2.4rem;
}
.card__emblem {
  width: 64px; height: 64px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1.5px solid currentColor;
}
.card--dark .card__emblem { color: var(--lime); }
.card--lime .card__emblem { background: var(--lime-ink); color: var(--lime); border-color: var(--lime-ink); }
.card__emblem svg { width: 30px; height: 30px; }

.card__status {
  font-size: 0.85rem; font-weight: 500;
  padding: 0.35rem 0.9rem; border-radius: 100px;
  border: 1px solid currentColor; opacity: 0.85;
}

.card__sector {
  font-size: 0.9rem; font-weight: 500;
  opacity: 0.6; margin-bottom: 0.4rem;
}
.card__name {
  font-weight: 500; font-size: 1.75rem; letter-spacing: -0.015em;
  margin-bottom: 0.9rem;
}
.card__desc {
  font-size: 0.98rem; font-weight: 300; line-height: 1.55;
  margin-bottom: 1.8rem; flex: 1;
}
.card--dark .card__desc { color: #C9CDC9; }

.card__link {
  display: inline-flex; align-items: center; justify-content: space-between;
  gap: 0.6rem; width: 100%;
  font-weight: 500; font-size: 1rem;
  padding-top: 1rem;
  border-top: 1px solid currentColor;
}
.card__link span { transition: transform 0.3s var(--ease); font-size: 1.2rem; }
.card__link:hover span { transform: translateX(6px); }

/* ---------- Stack ---------- */
.stack { background: var(--bg); border-top: 1px solid var(--line); }
.stack .container { padding-block: clamp(5rem, 11vw, 9rem); }
.stack__grid {
  display: grid; grid-template-columns: 1.1fr 1fr;
  gap: clamp(3rem, 6vw, 7rem);
  align-items: start;
}
.stack__title {
  font-weight: 500;
  font-size: clamp(2.6rem, 5.6vw, 4.8rem);
  line-height: 1.05; letter-spacing: -0.02em;
  margin-bottom: 2rem;
}
.stack__title em { font-style: italic; font-weight: 400; color: var(--lime); }
.stack__lede {
  font-size: clamp(1.15rem, 1.7vw, 1.45rem);
  line-height: 1.5; color: var(--muted); max-width: 33rem;
}
.stack__rows { border-top: 1px solid var(--line); }
.kv-row {
  display: flex; justify-content: space-between; align-items: baseline; gap: 1.5rem;
  padding: 1.35rem 0.25rem;
  border-bottom: 1px solid var(--line);
}
.kv-row span { color: var(--muted); font-size: 1rem; }
.kv-row strong { font-weight: 500; font-size: clamp(1.15rem, 1.7vw, 1.5rem); text-align: right; }

/* ---------- Contact ---------- */
.contact {
  position: relative; overflow: hidden;
  background: var(--bg-deep);
  border-top: 1px solid var(--line);
}
.contact__glow {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 45% 70% at 12% 75%, var(--green-b), transparent 72%);
}
.contact__grid {
  position: relative;
  padding-block: clamp(5rem, 11vw, 9rem);
  display: grid; grid-template-columns: 1.4fr auto;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: center;
}
.contact__title {
  color: var(--lime);
  font-weight: 400;
  font-size: clamp(3.6rem, 9vw, 8rem);
  line-height: 1; letter-spacing: -0.03em;
  margin-bottom: 1.8rem;
}
.contact__sub {
  font-size: clamp(1.25rem, 1.9vw, 1.6rem);
  font-weight: 300; line-height: 1.45;
  max-width: 32rem; margin-bottom: 2.4rem;
}
.contact__email {
  display: inline-block;
  font-size: clamp(1.1rem, 2.2vw, 1.6rem);
  font-weight: 400;
  padding-bottom: 0.3rem;
  border-bottom: 1.5px solid var(--lime);
  transition: color 0.3s;
}
.contact__email:hover { color: var(--lime); }

/* ---------- Footer ---------- */
.footer { background: var(--bg-deep); padding-block: 0 2rem; color: var(--muted); }
.footer__rule {
  position: relative; height: 1px; background: var(--ink);
  opacity: 0.85; margin-bottom: 3.5rem;
}
.footer__rule i {
  position: absolute; top: 50%; transform: translate(-50%, -50%);
  width: 26px; height: 26px; border: 1.5px solid var(--ink);
  border-radius: 50%; background: var(--bg-deep);
}
.footer__rule i:first-child { left: 0; transform: translate(-2px, -50%); }
.footer__rule i:last-child { right: 0; left: auto; transform: translate(2px, -50%); }

.footer__grid {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}
.footer__col { display: flex; flex-direction: column; gap: 0.55rem; }
.footer__col a { font-size: 1.02rem; color: var(--muted); transition: color 0.25s; width: fit-content; }
.footer__col a:hover { color: var(--lime); }
.footer__social { flex-direction: row; gap: 1.4rem; justify-self: end; }
.footer__social a { color: var(--ink); }
.footer__social svg { width: 18px; height: 18px; }

.footer__bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.75rem;
  padding-top: 1.75rem; border-top: 1px solid var(--line);
  font-size: 0.9rem;
}

/* ---------- Gallery (abstract renders) ---------- */
.gallery { background: var(--bg); }
.gallery .container { padding-block: 0 clamp(3rem, 6vw, 5rem); }
.gallery__grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem;
}
.gallery__panel {
  border-radius: 22px; overflow: hidden;
  background: var(--bg-deep);
  border: 1px solid var(--line);
}
.gallery__panel svg { width: 100%; height: 100%; display: block; }

/* ---------- Product pages ---------- */
.phero {
  position: relative;
  padding-top: clamp(7rem, 14vh, 9.5rem);
  background: var(--bg-deep);
  overflow: hidden;
}
.phero__glow {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 50% 65% at 80% 30%, var(--green-b), transparent 72%);
}
.phero__inner {
  position: relative;
  display: grid; grid-template-columns: 1.15fr 1fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: center;
  padding-bottom: clamp(3.5rem, 8vw, 6rem);
}
.phero__meta {
  display: flex; align-items: center; gap: 1rem;
  margin-bottom: 1.6rem;
}
.phero__sector { color: var(--muted); font-size: 0.95rem; }
.phero__title {
  font-weight: 500;
  font-size: clamp(2.8rem, 7vw, 6rem);
  line-height: 1.02; letter-spacing: -0.025em;
  margin-bottom: 1.4rem;
}
.phero__tag {
  font-size: clamp(1.2rem, 1.9vw, 1.6rem);
  font-weight: 300; line-height: 1.4;
  color: var(--muted);
  max-width: 30rem;
  margin-bottom: 2.4rem;
}
.phero__cta { display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.back-link {
  color: var(--muted); font-size: 1rem;
  transition: color 0.25s;
}
.back-link:hover { color: var(--lime); }
.phero__art {
  border-radius: 22px; overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg);
}
.phero__art svg { width: 100%; height: 100%; display: block; }

.psection { background: var(--bg); border-top: 1px solid var(--line); }
.psection .container { padding-block: clamp(4rem, 9vw, 7rem); }
.psection__grid {
  display: grid; grid-template-columns: 1fr 1.4fr;
  gap: clamp(2rem, 5vw, 6rem);
  align-items: start;
}
.plabel {
  display: inline-block;
  color: var(--lime); font-size: 0.95rem; font-weight: 500;
}
.psection__title {
  font-weight: 500;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.08; letter-spacing: -0.02em;
  margin-top: 0.9rem;
}
.psection__body p {
  font-size: clamp(1.15rem, 1.7vw, 1.4rem);
  font-weight: 300; line-height: 1.55;
}
.psection__body p + p { margin-top: 1.3rem; color: var(--muted); }
.psection__body .kv-row strong { max-width: 60%; }

.pcta {
  background: var(--bg-deep); border-top: 1px solid var(--line);
  position: relative; overflow: hidden;
}
.pcta__glow {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 45% 70% at 15% 80%, var(--green-b), transparent 72%);
}
.pcta .container {
  position: relative;
  padding-block: clamp(4rem, 9vw, 7rem);
  display: flex; justify-content: space-between; align-items: center;
  gap: 2.5rem; flex-wrap: wrap;
}
.pcta__title {
  font-weight: 400;
  font-size: clamp(2.4rem, 5.5vw, 4.5rem);
  letter-spacing: -0.025em; line-height: 1.05;
  color: var(--lime);
}
.pcta__sub { color: var(--muted); margin-top: 0.9rem; max-width: 30rem; }

/* ---------- Reveal animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }
.d1 { transition-delay: 0.1s; }
.d2 { transition-delay: 0.2s; }
.d3 { transition-delay: 0.3s; }
.d4 { transition-delay: 0.45s; }

.cards .card:nth-child(3n+2) { transition-delay: 0.1s; }
.cards .card:nth-child(3n) { transition-delay: 0.2s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { transition-duration: 0.01ms !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .nav__links, .nav__social { display: none; }
  .nav__burger { display: flex; }

  .hero__inner { grid-template-columns: 1fr; }
  .hero__right { padding-top: 0; }
  .circle-cta { width: 120px; height: 120px; }

  .about__grid, .stack__grid, .about__team { grid-template-columns: 1fr; }
  .phero__inner, .psection__grid, .gallery__grid { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; justify-items: start; }
}

@media (max-width: 640px) {
  .cards { grid-template-columns: 1fr; }
  .card { min-height: 0; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__social { justify-self: start; flex-direction: row; }
  .footer__bottom { flex-direction: column; }
}