/* =========================================================================
   Kelly Technologies — Site Styles
   Palette (Brandmark): #FCFCFC · #373545 · #7F7B9A · #67647E · #4F4C61
   ========================================================================= */

:root {
  --bg:           #FCFCFC;
  --paper:        #FFFFFF;

  --ink:          #373545;
  --ink-soft:     rgba(55,53,69,.68);
  --ink-muted:    rgba(55,53,69,.48);

  --line:         rgba(55,53,69,.10);
  --line-strong:  rgba(55,53,69,.24);

  --accent:       #7F7B9A;
  --accent-soft:  #9A97B4;
  --accent-deep:  #4F4C61;
  --accent-ink:   #FCFCFC;

  --font-serif: "Playfair Display", "Noto Serif SC", "Iowan Old Style", Georgia, serif;
  --font-sans:  Arial, Helvetica, sans-serif;
  --font-mono:  Arial, Helvetica, sans-serif;

  --container: 1080px;
  --pad: clamp(1.25rem, 4vw, 2.5rem);

  --ease: cubic-bezier(.2,.7,.2,1);
}

/* Base */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  opacity: 0;
  transition: opacity .35s var(--ease);
}
body.loaded { opacity: 1; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
img, svg { display: block; max-width: 100%; }
.nb { white-space: nowrap; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, #FCFCFC 82%, transparent);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s var(--ease);
  color: var(--ink);
}
.site-header.scrolled { border-bottom-color: var(--line); }

.nav {
  display: flex;
  align-items: center;
  height: 68px;
}
.brand { display: inline-flex; align-items: center; color: var(--ink); }
.brand-logo { display: block; height: 30px; width: auto; }

/* Language toggle */
.lang-toggle {
  margin-left: auto;
  display: inline-flex;
  align-items: baseline;
  gap: .5rem;
  font-family: var(--font-sans);
  font-size: .82rem;
  letter-spacing: .05em;
}
.lang-toggle button {
  background: none;
  border: 0;
  padding: .15rem 0;
  cursor: pointer;
  color: var(--ink-muted);
  font: inherit;
  letter-spacing: inherit;
  transition: color .18s var(--ease);
}
.lang-toggle button:hover { color: var(--ink-soft); }
.lang-toggle button.is-active {
  color: var(--ink);
  font-weight: 700;
}
.lang-sep { color: var(--line-strong); }

/* Hero */
.hero {
  position: relative;
  min-height: 80vh;
  overflow: hidden;
  background: var(--ink);
  color: #FFFFFF;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(5rem, 10vw, 7rem) 0 clamp(2.5rem, 5vw, 4rem);
}
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
}
.hero::before {
  inset: -20px;
  background: url('hero-bg.jpg') center/cover no-repeat;
  filter: blur(1px) brightness(.65);
  opacity: 1;
  z-index: 0;
}
.hero::after {
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(20,18,30,0) 30%,
    rgba(20,18,30,.45) 75%,
    rgba(20,18,30,.70) 100%
  );
  z-index: 1;
}
.hero-grain {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3CfeComponentTransfer%3E%3CfeFuncR type='linear' slope='0.9' intercept='0.1'/%3E%3CfeFuncG type='linear' slope='0.9' intercept='0.1'/%3E%3CfeFuncB type='linear' slope='0.9' intercept='0.1'/%3E%3C/feComponentTransfer%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 240px 240px;
  opacity: 1;
  mix-blend-mode: overlay;
}
.hero .container {
  position: relative;
  z-index: 3;
  width: 100%;
}
.hero-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(2.4rem, 4.8vw, 3.9rem);
  line-height: 1.45;
  letter-spacing: -.01em;
  margin: 0;
  max-width: 54ch;
  color: #FFFFFF;
  text-shadow: 0 1px 16px rgba(20,18,30,.35);
  text-wrap: balance;
}
.hero-title mark {
  background: var(--accent-deep);
  color: var(--accent-ink);
  padding: 0 .2em;
  text-shadow: none;
}
.hero-title + .hero-title {
  margin-top: .65em;
}

/* Sections */
.section {
  padding: clamp(3.5rem, 8vw, 6rem) 0;
  border-top: 1px solid var(--line);
}
.section-eyebrow {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 1.5rem;
}
.section-title {
  font-family: var(--font-serif);
  font-weight: 350;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.25;
  letter-spacing: -.015em;
  margin: 0;
  max-width: 32ch;
  color: var(--ink);
  text-wrap: balance;
}

/* Strategies — 2-column with vol surface */
.strategies-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.strategies-grid .section-title { max-width: none; }
.strategies-viz { position: relative; }
.vol-surface {
  width: 100%;
  height: auto;
  display: block;
  max-width: 560px;
  margin: 0 auto;
  overflow: visible;
}
.vol-surface path {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.vol-surface .smile { stroke: var(--accent-deep); }
.vol-surface .rib   { stroke: var(--accent); }
.vol-surface .wall        { stroke: none; }
.vol-surface .wall-bottom { fill: var(--accent);      fill-opacity: .06; }
.vol-surface .wall-left   { fill: var(--accent-deep); fill-opacity: .10; }

@media (max-width: 860px) {
  .strategies-grid { grid-template-columns: 1fr; }
  .vol-surface { max-width: 460px; }
}

/* Team */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}
.team-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 2rem 1.75rem;
  transition: transform .25s var(--ease), border-color .25s var(--ease);
}
.team-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
}
.team-portrait {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color: var(--accent-ink);
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: .03em;
  margin-bottom: 1.25rem;
}
.team-card h3 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.3rem;
  margin: 0;
  letter-spacing: -.01em;
  color: var(--ink);
}
.team-card .role {
  color: var(--accent);
  font-size: .88rem;
  font-weight: 500;
  margin: .25rem 0 1rem;
}
.bio {
  margin: 0;
  color: var(--ink-soft);
  font-size: .9rem;
  line-height: 1.55;
  text-wrap: balance;
}

/* Contact */
.contact-address {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ink-soft);
  margin: 0 0 1.5rem;
  text-wrap: balance;
}
.contact-mail {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 2.2vw, 1.75rem);
  color: var(--ink);
  letter-spacing: -.01em;
  border-bottom: 1px solid var(--ink-muted);
  padding-bottom: .15rem;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.contact-mail:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* Footer */
.site-footer {
  background: var(--ink);
  color: rgba(252,252,252,.62);
  padding: 2.25rem 0;
  border-top: 1px solid rgba(252,252,252,.06);
}
.footer-disclaimer {
  font-size: .82rem;
  line-height: 1.6;
  margin: 0;
  text-wrap: pretty;
}

/* Reveal-on-scroll */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* Selection */
::selection {
  background: var(--accent-deep);
  color: var(--accent-ink);
}