/* Matteo Bonfanti — Kinetic Lab */
/* Warm white + deep charcoal + electric cyan, high-contrast performance */

:root {
  --accent: oklch(0.72 0.18 195);
  --accent-hover: oklch(0.62 0.16 195);
  --accent-glow: oklch(0.72 0.18 195 / 0.2);
  --bg: oklch(0.98 0.002 260);
  --surface: oklch(0.96 0.003 260);
  --text: oklch(0.18 0.005 260);
  --muted: oklch(0.48 0.008 260);
  --border: oklch(0.90 0.004 260);
  --hero-bg: oklch(0.14 0.004 260);
  --hero-text: oklch(0.98 0.002 260);
  --footer-bg: oklch(0.12 0.003 260);
  --footer-text: oklch(0.72 0.006 260);
  --card-bg: oklch(0.99 0.001 260);
  --radius: 8px;
  --shadow: 0 4px 20px rgba(0,0,0,0.06);
}
@supports not (color: oklch(0 0 0)) {
  :root {
    --accent: #00b4d8;
    --accent-hover: #0096b7;
    --accent-glow: rgba(0,180,216,0.2);
    --bg: #fafbfc;
    --surface: #f5f6f7;
    --text: #2d3135;
    --muted: #7a7e82;
    --border: #e4e6e8;
    --hero-bg: #232629;
    --hero-text: #fafbfc;
    --footer-bg: #1e2023;
    --footer-text: #b8bbbe;
  }
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
p { margin: 0; }
ul { padding-left: 1.1rem; }
img, svg { display: block; max-width: 100%; }

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

/* Typography */
h1, h2, h3 {
  font-family: 'Inter', -apple-system, sans-serif;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}
h1 { font-size: clamp(1.6rem, 4.2vw, 2.6rem); }
h2 { font-size: clamp(1.3rem, 3.2vw, 2rem); }
h3 { font-size: clamp(0.95rem, 1.8vw, 1.15rem); text-transform: none; letter-spacing: -0.02em; font-weight: 700; }

.kicker {
  display: inline-flex;
  align-items: center; gap: 10px;
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 0.7rem;
}
.kicker::before {
  content: '';
  width: 20px; height: 2px;
  background: var(--accent);
}
.eyebrow {
  display: inline-flex;
  padding: 6px 14px;
  background: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--hero-bg);
  border-radius: 2px;
}

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: oklch(0.98 0.002 260 / 0.95);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 60px; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand__mark {
  width: 36px; height: 36px; border-radius: var(--radius);
  background: var(--text); color: var(--bg);
  display: grid; place-items: center;
  font-weight: 900; font-size: 0.75rem; letter-spacing: 0.08em; flex-shrink: 0;
}
.brand__text { display: flex; flex-direction: column; min-width: 0; }
.brand__title {
  font-weight: 800; font-size: 0.88rem; letter-spacing: -0.02em; text-transform: uppercase;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.brand__subtitle { font-size: 0.72rem; color: var(--muted); letter-spacing: 0.06em; text-transform: uppercase; }

.nav { display: none; gap: 24px; align-items: center; }
.nav a { font-size: 0.8rem; font-weight: 700; color: var(--muted); transition: color 0.2s; letter-spacing: 0.06em; text-transform: uppercase; }
.nav a:hover { color: var(--text); }
.nav__cta {
  padding: 8px 18px; background: var(--accent); color: var(--hero-bg) !important;
  border-radius: var(--radius); font-weight: 800; transition: background 0.2s;
  letter-spacing: 0.06em; text-transform: uppercase; font-size: 0.75rem;
}
.nav__cta:hover { background: var(--accent-hover); }

.menu-toggle {
  display: flex; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 8px;
}
.menu-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--text); border-radius: 1px;
  transition: transform 0.3s, opacity 0.3s;
}

/* Hero */
.hero {
  padding: 48px 0 56px;
  background: var(--hero-bg);
  color: var(--hero-text);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%; right: -20%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}
.hero__grid {
  position: relative; display: grid; gap: 36px; align-items: start;
}
.hero__content { display: grid; gap: 18px; }
.hero h1 { color: var(--hero-text); }
.hero p { font-size: 1rem; color: rgba(255,255,255,0.7); max-width: 52ch; line-height: 1.7; font-weight: 400; letter-spacing: 0; text-transform: none; }

.hero__meta { display: flex; flex-wrap: wrap; gap: 8px; }
.meta-pill {
  padding: 5px 12px; border-radius: 2px;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--hero-text);
}

.cta-row { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 26px; border-radius: var(--radius); font-weight: 800;
  font-size: 0.85rem; border: none; cursor: pointer;
  letter-spacing: 0.06em; text-transform: uppercase;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary {
  background: var(--accent); color: var(--hero-bg);
  box-shadow: 0 6px 24px var(--accent-glow);
}
.btn--primary:hover { background: var(--accent-hover); }
.btn--secondary {
  background: rgba(255,255,255,0.08); color: var(--hero-text);
  border: 1px solid rgba(255,255,255,0.2);
}
.btn--outline {
  background: transparent; color: var(--accent);
  border: 2px solid var(--accent);
}
.btn--outline:hover { background: var(--accent); color: var(--hero-bg); }

/* Hero card */
.hero-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius); padding: 26px;
  display: grid; gap: 18px;
}
.hero-card__label {
  font-size: 0.68rem; text-transform: uppercase;
  letter-spacing: 0.12em; color: rgba(255,255,255,0.4); font-weight: 700;
}
.hero-card__phone { font-size: 1.5rem; font-weight: 900; letter-spacing: 0.02em; }
.hero-card__phone a { color: var(--hero-text); }
.hero-card__list { display: grid; gap: 12px; }
.hero-card__item { display: grid; gap: 2px; }
.hero-card__item span { font-size: 0.82rem; color: rgba(255,255,255,0.55); }
.hero-card__item strong { font-size: 0.9rem; font-weight: 600; }

/* Sections */
.section { padding: 64px 0; }
.section--alt { background: var(--surface); }
.section-head { display: grid; gap: 12px; margin-bottom: 36px; max-width: 620px; }
.section-head p { color: var(--muted); font-size: 1rem; line-height: 1.7; text-transform: none; letter-spacing: 0; font-weight: 400; }

/* Approach */
.approach-grid { display: grid; gap: 16px; }
.approach-step {
  padding: 28px 24px; background: var(--card-bg);
  border: 1px solid var(--border); border-radius: var(--radius);
  display: grid; gap: 10px;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  position: relative;
}
.approach-step:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: var(--accent); }
.approach-step::after {
  content: attr(data-step);
  position: absolute; top: 12px; right: 16px;
  font-size: 3rem; font-weight: 900;
  color: var(--border);
  line-height: 1;
}
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--accent); color: var(--hero-bg);
  font-size: 0.75rem; font-weight: 800;
  margin-bottom: 10px;
}
.approach-step h3 { margin: 0; }
.approach-step p { color: var(--muted); font-size: 0.9rem; line-height: 1.65; }

/* Services */
.services-list { display: grid; gap: 12px; }
.service-item {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 20px 22px; background: var(--card-bg);
  border: 1px solid var(--border); border-radius: var(--radius);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.service-item:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: var(--accent); }
.service-dot {
  width: 36px; height: 36px; border-radius: var(--radius);
  background: var(--accent); color: var(--hero-bg);
  display: grid; place-items: center;
  font-size: 1rem; flex-shrink: 0;
  font-weight: 700;
}
.service-item h3 { margin: 0 0 4px; font-size: 0.98rem; }
.service-item p { color: var(--muted); font-size: 0.88rem; line-height: 1.6; }

/* About */
.about-grid { display: grid; gap: 32px; align-items: start; }
.about-text { display: grid; gap: 16px; }
.about-text p { color: var(--muted); font-size: 1rem; line-height: 1.7; }
.about-highlights { list-style: none; padding: 0; display: grid; gap: 10px; }
.about-highlights li {
  position: relative; padding-left: 22px; font-size: 0.9rem; line-height: 1.6;
}
.about-highlights li::before {
  content: '→'; position: absolute; left: 0; top: 0;
  color: var(--accent); font-weight: 700;
}
.about-accent {
  background: var(--hero-bg); color: var(--hero-text);
  border-radius: var(--radius); padding: 32px 28px;
  display: grid; gap: 12px;
  border: 1px solid rgba(255,255,255,0.08);
}
.about-accent::before {
  content: '';
  display: block;
  width: 40px; height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin-bottom: 8px;
}
.about-accent blockquote {
  font-size: 1rem; font-weight: 500; line-height: 1.65; opacity: 0.9;
}
.about-accent cite { font-size: 0.78rem; font-style: normal; opacity: 0.5; letter-spacing: 0.08em; text-transform: uppercase; }

/* Contact */
.contact-grid { display: grid; gap: 32px; }
.contact-info { display: grid; gap: 16px; }
.contact-card {
  padding: 22px 24px; background: var(--card-bg);
  border: 1px solid var(--border); border-radius: var(--radius);
}
.contact-card h3 {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.12em; color: var(--accent); margin-bottom: 8px;
}
.contact-card p, .contact-card a { font-size: 0.95rem; }
.contact-card a { color: var(--accent); font-weight: 700; }
.contact-cta { display: grid; gap: 16px; }
.contact-cta p { color: var(--muted); font-size: 1rem; line-height: 1.7; }

/* Footer */
.footer {
  background: var(--footer-bg); color: var(--footer-text);
  padding: 44px 0 28px;
}
.footer__grid { display: grid; gap: 28px; margin-bottom: 28px; }
.footer-card h3 {
  font-size: 0.7rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.12em; margin-bottom: 10px; color: rgba(255,255,255,0.5);
}
.footer-card p, .footer-card li { font-size: 0.85rem; color: var(--footer-text); }
.footer-card ul { list-style: none; padding: 0; display: grid; gap: 4px; }
.footer-card a { color: var(--hero-text); font-weight: 600; }
.footer__copy {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 22px; font-size: 0.78rem;
  color: rgba(255,255,255,0.3);
  letter-spacing: 0.02em;
}

/* Reveal */
.reveal {
  opacity: 0; transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (min-width: 760px) {
  .nav { display: flex; }
  .menu-toggle { display: none; }
  .hero { padding: 64px 0 72px; }
  .hero__grid { grid-template-columns: 1.1fr 0.9fr; gap: 44px; align-items: center; }
  .approach-grid { grid-template-columns: repeat(3, 1fr); }
  .services-list { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 980px) {
  .hero { padding: 80px 0 88px; }
  .services-list { grid-template-columns: repeat(3, 1fr); }
  .section { padding: 80px 0; }
}