/* ============================================================
   Neo Innovations — neoinnovations.tech
   ============================================================ */

:root {
  --ink:        #1d1d1f;
  --ink-soft:   #6e6e73;
  --ink-faint:  #86868b;
  --bg:         #ffffff;
  --bg-alt:     #f5f5f7;
  --navy:       #0d2c60;
  --navy-deep:  #081d42;
  --gold:       #c1973c;
  --hair:       rgba(0, 0, 0, 0.10);

  --wrap:       1160px;
  --gut:        clamp(22px, 5vw, 40px);

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

  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
          "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.5;
  letter-spacing: -0.012em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.028em; line-height: 1.08; }
p  { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img { max-width: 100%; height: auto; display: block; }

a { color: inherit; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding-inline: var(--gut);
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: 12px 18px;
  z-index: 100;
  border-radius: 0 0 10px 0;
  text-decoration: none;
}
.skip:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--navy);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ------------------------------------------------------------
   Navigation
   ------------------------------------------------------------ */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.72);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}
.nav.is-stuck { border-bottom-color: var(--hair); }

.nav__inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding-inline: var(--gut);
  height: 52px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.018em;
  color: var(--navy);
  white-space: nowrap;
  flex: none;
}
.nav__brand img { width: auto; height: 22px; }

.nav__links {
  display: flex;
  gap: clamp(16px, 3vw, 30px);
  margin-inline: auto;
}
.nav__links a {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: -0.004em;
  color: var(--ink);
  text-decoration: none;
  opacity: 0.86;
  transition: opacity 0.25s ease;
}
.nav__links a:hover { opacity: 1; }

.nav__cta {
  flex: none;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  color: #fff;
  background: var(--navy);
  padding: 7px 15px;
  border-radius: 980px;
  transition: background 0.25s ease;
}
.nav__cta:hover { background: #143d80; }

/* ------------------------------------------------------------
   Buttons & inline links
   ------------------------------------------------------------ */

.btn {
  display: inline-block;
  background: var(--navy);
  color: #fff;
  text-decoration: none;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.01em;
  padding: 13px 26px;
  border-radius: 980px;
  transition: background 0.25s ease, transform 0.25s var(--ease);
}
.btn:hover { background: #143d80; }
.btn:active { transform: scale(0.98); }

.link {
  color: var(--navy);
  text-decoration: none;
  font-size: 17px;
  font-weight: 400;
  letter-spacing: -0.01em;
}
.link:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ------------------------------------------------------------
   Hero
   ------------------------------------------------------------ */

.hero {
  position: relative;
  padding: clamp(96px, 17vh, 172px) 0 clamp(90px, 15vh, 156px);
  text-align: center;
  overflow: hidden;
}

/* a very quiet wash of brand navy behind the headline */
.hero::before {
  content: "";
  position: absolute;
  inset: -30% 0 auto;
  height: 150%;
  background:
    radial-gradient(58% 46% at 50% 34%, rgba(13, 44, 96, 0.055), transparent 72%);
  pointer-events: none;
}
.hero > .wrap { position: relative; }

.hero__title {
  font-size: clamp(42px, 7.4vw, 86px);
  letter-spacing: -0.035em;
  line-height: 1.04;
  max-width: 15ch;
  margin-inline: auto;
}

.hero__sub {
  margin: clamp(20px, 3vw, 28px) auto 0;
  max-width: 34rem;
  font-size: clamp(18px, 1.7vw, 21px);
  line-height: 1.48;
  letter-spacing: -0.014em;
  color: var(--ink-soft);
}

.hero__actions {
  margin-top: clamp(30px, 4vw, 42px);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 14px 30px;
}

/* ------------------------------------------------------------
   Statement band
   ------------------------------------------------------------ */

.statement {
  background: var(--navy-deep);
  color: #fff;
  padding: clamp(88px, 13vw, 152px) 0;
}

.statement__lede {
  font-size: clamp(26px, 3.7vw, 44px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.14;
  max-width: 22ch;
}

.statement__body {
  margin-top: clamp(22px, 3vw, 32px);
  max-width: 38rem;
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.55;
  letter-spacing: -0.012em;
  color: rgba(255, 255, 255, 0.66);
}

/* ------------------------------------------------------------
   Chapters (01 / 02 / 03)
   ------------------------------------------------------------ */

.chapter {
  padding: clamp(84px, 12vw, 150px) 0;
  scroll-margin-top: 52px;
}
.chapter--alt { background: var(--bg-alt); }

.chapter__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(44px, 6vw, 76px);
}

.eyebrow {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 20px;
}
.eyebrow span {
  color: var(--gold);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

.chapter__head h2 {
  font-size: clamp(30px, 3.9vw, 46px);
  letter-spacing: -0.032em;
  line-height: 1.09;
  max-width: 20ch;
}

.chapter__body {
  margin-top: clamp(20px, 2.4vw, 28px);
  max-width: 40rem;
  font-size: clamp(17px, 1.5vw, 19px);
  line-height: 1.58;
  color: var(--ink-soft);
}

/* the specifics: a two-column editorial list, hairline separated */
.detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  column-gap: clamp(32px, 5vw, 64px);
}
.detail li {
  padding: 26px 0;
  border-top: 1px solid var(--hair);
}
.detail h3 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.018em;
}
.detail p {
  margin-top: 8px;
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 46ch;
}

/* ------------------------------------------------------------
   Capabilities index
   ------------------------------------------------------------ */

.caps {
  background: var(--bg-alt);
  padding: clamp(84px, 12vw, 148px) 0;
  scroll-margin-top: 52px;
}

.caps__title {
  font-size: clamp(28px, 3.6vw, 44px);
  letter-spacing: -0.032em;
  margin-bottom: clamp(40px, 5vw, 64px);
}

.caps__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(32px, 4vw, 48px) clamp(24px, 4vw, 48px);
}

.caps__col h3 {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--hair);
  margin-bottom: 14px;
}
.caps__col li {
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  letter-spacing: -0.012em;
}

/* ------------------------------------------------------------
   Approach
   ------------------------------------------------------------ */

.approach {
  padding: clamp(84px, 12vw, 150px) 0;
  scroll-margin-top: 52px;
}

.approach__title {
  font-size: clamp(28px, 3.6vw, 44px);
  letter-spacing: -0.032em;
  margin-bottom: clamp(38px, 5vw, 58px);
}

.principles {
  counter-reset: p;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: 1px solid var(--hair);
}
.principles li {
  counter-increment: p;
  padding: 26px 0;
  border-bottom: 1px solid var(--hair);
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: 0 6px;
  align-items: start;
}
.principles li::before {
  content: counter(p, decimal-leading-zero);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
  padding-top: 5px;
}
.principles h3 {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.principles p {
  grid-column: 2;
  margin-top: 8px;
  font-size: 16px;
  line-height: 1.58;
  color: var(--ink-soft);
  max-width: 54ch;
}

/* ------------------------------------------------------------
   Contact
   ------------------------------------------------------------ */

.contact {
  background: var(--bg-alt);
  padding: clamp(90px, 13vw, 158px) 0;
  text-align: center;
  scroll-margin-top: 52px;
}

.contact h2 {
  font-size: clamp(30px, 4.4vw, 54px);
  letter-spacing: -0.032em;
  max-width: 16ch;
  margin-inline: auto;
}

.contact__body {
  margin: clamp(20px, 2.6vw, 28px) auto 0;
  max-width: 36rem;
  font-size: clamp(17px, 1.5vw, 19px);
  line-height: 1.58;
  color: var(--ink-soft);
}

.contact__mail {
  margin-top: clamp(34px, 4.5vw, 48px);
}
.contact__mail a {
  font-size: clamp(21px, 3.1vw, 36px);
  font-weight: 600;
  letter-spacing: -0.028em;
  color: var(--navy);
  text-decoration: none;
  border-bottom: 2px solid rgba(13, 44, 96, 0.22);
  padding-bottom: 3px;
  transition: border-color 0.3s ease;
  overflow-wrap: anywhere;
}
.contact__mail a:hover { border-bottom-color: var(--navy); }

/* ------------------------------------------------------------
   Footer
   ------------------------------------------------------------ */

.foot {
  padding: clamp(52px, 7vw, 76px) 0 clamp(44px, 6vw, 64px);
  border-top: 1px solid var(--hair);
}

.foot__inner {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.foot__logo { width: auto; height: 42px; opacity: 0.9; }

.foot__meta p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-faint);
  letter-spacing: -0.006em;
}
.foot__name {
  font-weight: 600;
  color: var(--ink) !important;
  letter-spacing: -0.014em;
}
.foot__meta a {
  color: var(--navy);
  text-decoration: none;
}
.foot__meta a:hover { text-decoration: underline; text-underline-offset: 3px; }
.foot__copy { margin-top: 12px !important; }

/* ------------------------------------------------------------
   Scroll reveal
   ------------------------------------------------------------ */

.reveal {
  opacity: 0;
  transform: translateY(16px);
}
.reveal.is-in {
  opacity: 1;
  transform: none;
  transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
}
.js-off .reveal { opacity: 1; transform: none; }

/* ------------------------------------------------------------
   Breakpoints
   ------------------------------------------------------------ */

@media (min-width: 720px) {
  .detail { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .caps__grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .principles { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: clamp(32px, 5vw, 64px); }
  .principles li:nth-last-child(-n+2) { border-bottom: none; }
  .foot__inner { flex-direction: row; align-items: flex-end; justify-content: space-between; }
  .foot__meta { text-align: right; }
}

@media (min-width: 980px) {
  .chapter__grid {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1fr);
    column-gap: clamp(56px, 7vw, 96px);
    align-items: start;
  }
  .detail { grid-template-columns: minmax(0, 1fr); }
  .detail li:first-child { padding-top: 0; border-top: none; }
}

@media (max-width: 640px) {
  .nav__links { display: none; }
  .nav__inner { justify-content: space-between; }
  .hero__title { max-width: none; }
  .principles li { grid-template-columns: 2.2rem minmax(0, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .reveal.is-in {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .btn, .nav__cta { transition: none; }
}