/* ============================================================
   Mindlever — brand system
   Dark slate + green→blue gradient, friendly geometric type
   ============================================================ */

:root {
  /* Brand colors sampled from logo */
  --slate-900: #1b242b;
  --slate-850: #212c34;
  --slate-800: #26333c;
  --slate-700: #2c3d47;   /* exact logo background */
  --slate-600: #3a4d59;
  --slate-500: #56707e;

  --mint:      #84d2a8;   /* green from logo */
  --mint-deep: #57bf91;
  --blue:      #4a9fd6;   /* blue from logo */
  --blue-deep: #2f7fbf;

  /* Accent gradient (tweakable) */
  --g1: var(--mint);
  --g2: var(--blue);
  --grad: linear-gradient(100deg, var(--g1), var(--g2));
  --accent: var(--blue-deep);

  /* Light surfaces */
  --paper:   #f4f7f9;
  --paper-2: #ffffff;
  --paper-3: #eaeff2;
  --line:    #dde5ea;

  /* Ink (text on light) */
  --ink:      #1b262d;
  --ink-2:    #3f4f5a;
  --ink-3:    #6b7c87;

  /* Text on dark */
  --on-dark:    #f3f7fa;
  --on-dark-2:  #aebcc6;
  --on-dark-3:  #7e909c;

  /* Shape */
  --r-sm: 12px;
  --r:    18px;
  --r-lg: 28px;
  --r-xl: 36px;
  --shadow-sm: 0 2px 8px rgba(27,38,45,.06);
  --shadow:    0 18px 50px -22px rgba(27,38,45,.30);
  --shadow-lg: 0 40px 90px -30px rgba(27,38,45,.45);

  --maxw: 1200px;
  --gut: clamp(20px, 5vw, 64px);

  --font-head: "Outfit", system-ui, sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.wrap { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gut); }
.section { padding: clamp(72px, 11vw, 140px) 0; }

/* gradient text */
.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* eyebrow label */
.eyebrow {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 2px;
  background: var(--grad);
  border-radius: 2px;
}
.on-dark .eyebrow { color: var(--mint); }

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 15px;
  padding: 14px 26px;
  border-radius: 100px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s, color .3s, border-color .3s;
  white-space: nowrap;
}
.btn svg { width: 17px; height: 17px; }
.btn-primary {
  background: var(--grad);
  color: #0e1a16;
  box-shadow: 0 10px 30px -10px color-mix(in oklab, var(--blue) 60%, transparent);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 40px -12px color-mix(in oklab, var(--blue) 70%, transparent); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.on-dark .btn-ghost { color: var(--on-dark); border-color: rgba(255,255,255,.22); }
.on-dark .btn-ghost:hover { border-color: var(--mint); color: var(--mint); }

/* ============ Nav ============ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px var(--gut);
  transition: background .35s var(--ease), padding .35s var(--ease), box-shadow .35s var(--ease), backdrop-filter .35s;
}
.nav.scrolled {
  background: color-mix(in oklab, var(--slate-700) 86%, transparent);
  backdrop-filter: blur(16px) saturate(1.3);
  -webkit-backdrop-filter: blur(16px) saturate(1.3);
  padding-block: 12px;
  box-shadow: 0 1px 0 rgba(255,255,255,.06), 0 18px 40px -28px rgba(0,0,0,.7);
}
.nav__logo img { height: 30px; width: auto; }
.nav__menu { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav__links a {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 15px;
  color: var(--on-dark-2);
  padding: 9px 16px;
  border-radius: 100px;
  transition: color .25s, background .25s;
}
.nav__links a:hover { color: var(--on-dark); background: rgba(255,255,255,.07); }
.nav__cta { display: flex; align-items: center; gap: 12px; margin-left: 14px; }
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav__burger span {
  width: 24px; height: 2px;
  background: var(--on-dark);
  border-radius: 2px;
  transition: transform .3s var(--ease), opacity .3s;
}
.nav.open .nav__burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav.open .nav__burger span:nth-child(2) { opacity: 0; }
.nav.open .nav__burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============ Hero ============ */
.hero {
  position: relative;
  background:
    radial-gradient(120% 90% at 80% -10%, color-mix(in oklab, var(--blue) 26%, transparent), transparent 55%),
    radial-gradient(90% 80% at 5% 110%, color-mix(in oklab, var(--mint) 22%, transparent), transparent 55%),
    var(--slate-700);
  color: var(--on-dark);
  overflow: hidden;
  padding-top: clamp(140px, 18vh, 220px);
  padding-bottom: clamp(80px, 12vh, 150px);
}
.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: .5;
  pointer-events: none;
  animation: float 18s ease-in-out infinite;
}
.hero__orb.a { width: 480px; height: 480px; background: var(--blue); top: -160px; right: -120px; }
.hero__orb.b { width: 420px; height: 420px; background: var(--mint); bottom: -180px; left: -100px; animation-delay: -6s; }
@keyframes float {
  0%,100% { transform: translate(0,0) scale(1); }
  50% { transform: translate(30px,-30px) scale(1.08); }
}
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(80% 70% at 50% 30%, #000, transparent 80%);
  pointer-events: none;
}
.hero__inner { position: relative; z-index: 2; max-width: 920px; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 10px;
  white-space: nowrap;
  padding: 7px 16px 7px 8px;
  border-radius: 100px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  font-size: 13.5px; font-weight: 500;
  color: var(--on-dark-2);
  margin-bottom: 30px;
}
.hero__badge b {
  font-family: var(--font-head); font-weight: 600;
  white-space: nowrap;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
  padding: 3px 10px; border-radius: 100px; font-size: 12px; letter-spacing: .04em;
  border: 1px solid rgba(255,255,255,.14);
}
.hero h1 {
  color: var(--on-dark);
  font-size: clamp(40px, 7vw, 84px);
  font-weight: 600;
  margin-bottom: 26px;
}
.hero h1 .grad-text { font-weight: 700; }
.hero__sub {
  font-size: clamp(17px, 2.1vw, 21px);
  color: var(--on-dark-2);
  max-width: 640px;
  margin-bottom: 38px;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.hero__note { color: var(--on-dark-3); font-size: 14px; margin-left: 4px; }

/* marquee of capabilities */
.marquee {
  position: relative; z-index: 2;
  margin-top: clamp(56px, 8vw, 90px);
  border-top: 1px solid rgba(255,255,255,.10);
  border-bottom: 1px solid rgba(255,255,255,.10);
  padding: 22px 0;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee__track {
  display: flex; gap: 56px; width: max-content;
  animation: scroll 32s linear infinite;
}
.marquee__track span {
  font-family: var(--font-head); font-weight: 500;
  color: var(--on-dark-3); font-size: 17px;
  display: inline-flex; align-items: center; gap: 56px;
  white-space: nowrap;
}
.marquee__track span::after { content: "✦"; color: color-mix(in oklab, var(--mint) 70%, transparent); font-size: 11px; }
@keyframes scroll { to { transform: translateX(-50%); } }

/* ============ Section header ============ */
.sec-head { max-width: 720px; margin-bottom: clamp(44px, 6vw, 68px); }
.sec-head.center { margin-inline: auto; text-align: center; }
.sec-head.center .eyebrow { justify-content: center; }
.sec-head h2 {
  font-size: clamp(30px, 4.6vw, 50px);
  margin: 18px 0 18px;
}
.sec-head p { font-size: clamp(16px, 1.9vw, 19px); color: var(--ink-2); }

/* ============ Services grid (6 pillars) ============ */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.pillar {
  position: relative;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 34px 32px 32px;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s;
  overflow: hidden;
}
.pillar::before {
  content: "";
  position: absolute; inset: 0 0 auto 0; height: 4px;
  background: var(--grad);
  transform: scaleX(0); transform-origin: left;
  transition: transform .45s var(--ease);
}
.pillar:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.pillar:hover::before { transform: scaleX(1); }
.pillar__icon {
  width: 54px; height: 54px;
  border-radius: 15px;
  display: grid; place-items: center;
  background: color-mix(in oklab, var(--mint) 16%, var(--paper-2));
  color: var(--blue-deep);
  margin-bottom: 22px;
}
.pillar__icon svg { width: 26px; height: 26px; }
.pillar__num {
  position: absolute; top: 30px; right: 30px;
  font-family: var(--font-head); font-weight: 600;
  font-size: 14px; color: var(--ink-3);
  opacity: .5;
}
.pillar h3 { font-size: 22px; margin-bottom: 12px; }
.pillar p { color: var(--ink-2); font-size: 15.5px; }
.pillar__tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 18px; }
.pillar__tags span {
  font-size: 12.5px; font-weight: 500;
  white-space: nowrap;
  color: var(--ink-2);
  background: var(--paper-3);
  padding: 5px 11px; border-radius: 100px;
}

/* ============ Products ============ */
.products { background: var(--slate-700); color: var(--on-dark); }
.products .sec-head h2 { color: var(--on-dark); }
.products .sec-head p { color: var(--on-dark-2); }
.prod-list { display: flex; flex-direction: column; gap: clamp(48px, 8vw, 110px); }
.prod {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(36px, 6vw, 80px);
  align-items: center;
}
.prod:nth-child(even) .prod__media { order: -1; }
.prod__tag {
  display: inline-flex; align-items: center; gap: 8px;
  white-space: nowrap;
  font-family: var(--font-head); font-weight: 600; font-size: 13px;
  letter-spacing: .04em;
  color: var(--mint);
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  padding: 6px 14px; border-radius: 100px;
  margin-bottom: 20px;
}
.prod h3 { color: var(--on-dark); font-size: clamp(26px, 3.4vw, 38px); margin-bottom: 16px; }
.prod p { color: var(--on-dark-2); font-size: 16.5px; margin-bottom: 22px; max-width: 520px; }
.prod__feats { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.prod__feats li { display: flex; gap: 12px; color: var(--on-dark-2); font-size: 15.5px; }
.prod__feats li svg { width: 20px; height: 20px; color: var(--mint); flex-shrink: 0; margin-top: 2px; }

/* placeholder media */
.ph {
  position: relative;
  border-radius: var(--r-lg);
  border: 1px solid rgba(255,255,255,.14);
  background:
    repeating-linear-gradient(135deg, rgba(255,255,255,.04) 0 14px, rgba(255,255,255,0) 14px 28px),
    linear-gradient(160deg, color-mix(in oklab, var(--blue) 22%, var(--slate-800)), var(--slate-850));
  aspect-ratio: 4/3;
  display: grid; place-items: center;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.ph::after {
  content: attr(data-label);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12.5px; letter-spacing: .04em;
  color: var(--on-dark-3);
  background: rgba(0,0,0,.28);
  border: 1px solid rgba(255,255,255,.12);
  padding: 7px 13px; border-radius: 100px;
}
.ph__glow { position: absolute; width: 60%; height: 60%; border-radius: 50%; background: var(--grad); filter: blur(70px); opacity: .35; }

/* ============ Approach ============ */
.approach { background: var(--paper-2); }
.approach__grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(40px, 6vw, 80px); align-items: start; }
.steps { display: flex; flex-direction: column; gap: 0; }
.step {
  display: grid; grid-template-columns: auto 1fr; gap: 22px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.step:last-child { border-bottom: 0; }
.step__n {
  width: 46px; height: 46px; border-radius: 14px;
  background: var(--grad);
  display: grid; place-items: center;
  font-family: var(--font-head); font-weight: 700; font-size: 17px;
  color: #11201a;
}
.step h4 { font-size: 19px; margin-bottom: 7px; }
.step p { color: var(--ink-2); font-size: 15.5px; }
.approach__aside {
  position: sticky; top: 110px;
  background: var(--slate-700);
  color: var(--on-dark);
  border-radius: var(--r-xl);
  padding: 40px;
  overflow: hidden;
}
.approach__aside .eyebrow { color: var(--mint); }
.approach__aside h3 { color: var(--on-dark); font-size: 26px; margin: 16px 0 14px; }
.approach__aside p { color: var(--on-dark-2); font-size: 15.5px; margin-bottom: 26px; }
.dims { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; }
.dims span {
  display: flex; align-items: center; gap: 10px;
  white-space: nowrap;
  font-family: var(--font-head); font-weight: 500; font-size: 14.5px;
  color: var(--on-dark);
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  padding: 12px 14px; border-radius: 12px;
}
.dims span i { width: 7px; height: 7px; border-radius: 50%; background: var(--grad); }

/* ============ Stats / scope band ============ */
.band { background: var(--paper-3); }
.band__grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; text-align: center; }
.stat .num { font-family: var(--font-head); font-weight: 700; font-size: clamp(36px,5vw,56px); background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1; }
.stat .lbl { color: var(--ink-2); font-size: 14.5px; margin-top: 10px; }

/* ============ About ============ */
.about__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px,6vw,80px); align-items: center; }
.about__media .ph { aspect-ratio: 1/1; background:
    repeating-linear-gradient(135deg, rgba(27,38,45,.04) 0 14px, transparent 14px 28px),
    linear-gradient(160deg, var(--paper-3), var(--paper-2)); }
.about__media .ph::after { color: var(--ink-3); background: rgba(255,255,255,.6); border-color: var(--line); }
.about__media .ph { border-color: var(--line); box-shadow: var(--shadow); }
.feature-row { display: flex; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.feature-row:last-of-type { border-bottom: 0; }
.feature-row svg { width: 24px; height: 24px; color: var(--blue-deep); flex-shrink: 0; }
.feature-row h4 { font-size: 17px; margin-bottom: 5px; }
.feature-row p { color: var(--ink-2); font-size: 15px; }

/* ============ CTA ============ */
.cta {
  background:
    radial-gradient(90% 120% at 90% 10%, color-mix(in oklab, var(--blue) 30%, transparent), transparent 60%),
    radial-gradient(80% 100% at 0% 100%, color-mix(in oklab, var(--mint) 24%, transparent), transparent 60%),
    var(--slate-700);
  color: var(--on-dark);
  text-align: center;
}
.cta__card { max-width: 760px; margin-inline: auto; }
.cta h2 { color: var(--on-dark); font-size: clamp(32px,5vw,56px); margin-bottom: 20px; }
.cta p { color: var(--on-dark-2); font-size: 18px; margin-bottom: 34px; }
.cta .hero__actions { justify-content: center; }

/* ============ Footer ============ */
.footer { background: var(--slate-850); color: var(--on-dark-2); padding: 70px 0 36px; }
.footer__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer__brand img { height: 30px; margin-bottom: 18px; }
.footer__brand p { font-size: 14.5px; color: var(--on-dark-3); max-width: 280px; }
.footer h5 { font-family: var(--font-head); color: var(--on-dark); font-size: 14px; letter-spacing: .04em; margin-bottom: 16px; }
.footer ul { list-style: none; display: flex; flex-direction: column; gap: 11px; }
.footer ul a { font-size: 14.5px; color: var(--on-dark-2); transition: color .2s; }
.footer ul a:hover { color: var(--mint); }
.footer__bot { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding-top: 26px; font-size: 13.5px; color: var(--on-dark-3); flex-wrap: wrap; }

/* ============ Reveal animation ============ */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.instant { transition: none !important; }
.reveal[data-d="1"] { transition-delay: .08s; }
.reveal[data-d="2"] { transition-delay: .16s; }
.reveal[data-d="3"] { transition-delay: .24s; }
.reveal[data-d="4"] { transition-delay: .32s; }
.reveal[data-d="5"] { transition-delay: .40s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__orb, .marquee__track { animation: none; }
  html { scroll-behavior: auto; }
}

/* Tweaks: disable motion */
body.no-motion .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
body.no-motion .hero__orb,
body.no-motion .marquee__track { animation: none !important; }
body.no-motion * { scroll-behavior: auto; }

/* ============ Responsive ============ */
@media (max-width: 980px) {
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .band__grid { grid-template-columns: repeat(2,1fr); gap: 36px 24px; }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 36px; }
  .approach__grid { grid-template-columns: 1fr; }
  .approach__aside { position: static; }
}
@media (max-width: 760px) {
  .nav__burger { display: flex; }
  .nav__menu {
    position: fixed; inset: 0 0 auto 0;
    margin-left: 0;
    padding: 92px var(--gut) 28px;
    background: color-mix(in oklab, var(--slate-700) 97%, transparent);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    flex-direction: column; align-items: stretch; gap: 2px;
    transform: translateY(-115%);
    transition: transform .42s var(--ease);
    box-shadow: var(--shadow-lg);
  }
  .nav.open .nav__menu { transform: translateY(0); }
  .nav__links { flex-direction: column; align-items: stretch; gap: 2px; width: 100%; }
  .nav__links a { font-family: var(--font-head); font-size: 19px; color: var(--on-dark); padding: 14px 4px; border-radius: 0; border-bottom: 1px solid rgba(255,255,255,.08); }
  .nav__cta { flex-direction: column; align-items: stretch; margin: 18px 0 0; gap: 10px; }
  .nav__cta .btn { justify-content: center; }
  .prod { grid-template-columns: 1fr; }
  .prod:nth-child(even) .prod__media { order: 0; }
  .about__grid { grid-template-columns: 1fr; }
  .about__media { order: -1; }
  .footer__bot { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 540px) {
  .pillars { grid-template-columns: 1fr; }
  .band__grid { grid-template-columns: 1fr 1fr; }
}