/* =========================================================
   Ovid Org — Design System
   Modern minimalist black & white + techy electric accent
   ========================================================= */

:root {
  /* Color */
  --ink: #0A0A0A;
  --ink-2: #1A1A1A;
  --graphite: #4A4A4A;
  --slate: #6B7280;
  --line: #E6E6E3;
  --paper: #FFFFFF;
  --paper-2: #FAFAF8;
  --paper-3: #F2F2EF;
  --accent: #2F6BFF;
  --accent-2: #00D4FF;
  --accent-ink: #0B3FB0;
  --accent-soft: #EAF1FF;
  --success: #0F9D58;

  /* Type */
  --font-display: "Space Grotesk", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-body: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Scale */
  --step--1: clamp(0.83rem, 0.8rem + 0.15vw, 0.92rem);
  --step-0: clamp(1rem, 0.96rem + 0.2vw, 1.08rem);
  --step-1: clamp(1.2rem, 1.1rem + 0.5vw, 1.45rem);
  --step-2: clamp(1.5rem, 1.3rem + 1vw, 2rem);
  --step-3: clamp(2rem, 1.6rem + 2vw, 3rem);
  --step-4: clamp(2.6rem, 1.9rem + 3.4vw, 4.5rem);
  --step-5: clamp(3.2rem, 2.2rem + 5vw, 6rem);

  /* Space */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 9rem;

  --container: 1180px;
  --radius: 14px;
  --radius-lg: 26px;
  --shadow-sm: 0 1px 2px rgba(10,10,10,.06), 0 2px 8px rgba(10,10,10,.04);
  --shadow-md: 0 8px 30px rgba(10,10,10,.08);
  --shadow-lg: 0 24px 60px rgba(10,10,10,.12);
  --ease: cubic-bezier(.16,.84,.44,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,*::before,*::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}
body {
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img,svg,video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; }
button { font: inherit; cursor: pointer; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* ---------- Typography ---------- */
h1,h2,h3,h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.08; letter-spacing: -0.02em; }
h1 { font-size: var(--step-4); }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-2); }
h4 { font-size: var(--step-1); }
p { color: var(--graphite); }
.lead { font-size: var(--step-1); color: var(--graphite); line-height: 1.5; }
.eyebrow {
  font-family: var(--font-display);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent-ink);
  display: inline-flex; align-items: center; gap: .6rem;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--accent); display: inline-block; }
.accent-text { color: var(--accent); }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: clamp(1.1rem, 4vw, 2rem); }
.container-narrow { max-width: 780px; }
section { padding-block: var(--space-xl); }
.section-tight { padding-block: var(--space-lg); }
.stack > * + * { margin-top: var(--space-sm); }
.center { text-align: center; }
.grid { display: grid; gap: var(--space-md); }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .cols-3,.cols-4 { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 600px) { .cols-2,.cols-3,.cols-4 { grid-template-columns: 1fr; } }
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem,5vw,4.5rem); align-items: center; }
@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; }
  /* Reset desktop left/right column flips so headings always come before callout cards on mobile */
  .split > * { order: 0 !important; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  font-family: var(--font-display); font-weight: 600; font-size: var(--step-0);
  padding: .85rem 1.6rem; border-radius: 100px; border: 1.5px solid transparent;
  transition: transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease), box-shadow .25s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 1.05em; height: 1.05em; }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-ink); transform: translateY(-2px); box-shadow: 0 10px 30px rgba(47,107,255,.35); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--ink); transform: translateY(-2px); }
.btn-lg { padding: 1.05rem 2rem; font-size: var(--step-1); }
.btn-arrow { transition: transform .25s var(--ease); }
.btn:hover .btn-arrow { transform: translateX(3px); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.72); backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent; transition: border-color .3s, box-shadow .3s, background .3s;
}
.site-header.scrolled { border-bottom-color: var(--line); box-shadow: var(--shadow-sm); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); height: 76px; }
.brand { display: inline-flex; align-items: center; gap: .65rem; color: var(--ink); }
.brand__mark { width: 34px; height: 34px; color: var(--ink); flex: none; }
.brand__name { font-family: var(--font-display); font-weight: 600; font-size: 1.18rem; letter-spacing: -0.01em; line-height: 1; }
.brand__name span { display:block; font-weight: 400; font-size: .72rem; letter-spacing: .26em; text-transform: uppercase; color: var(--slate); margin-top: 2px; }
.nav__links { display: flex; align-items: center; gap: clamp(.6rem, 1.8vw, 1.8rem); }
.nav__links a { font-family: var(--font-display); font-weight: 500; font-size: .98rem; color: var(--graphite); padding: .4rem 0; position: relative; transition: color .2s; }
.nav__links a:hover, .nav__links a[aria-current="page"] { color: var(--ink); }
.nav__links a::after { content:""; position:absolute; left:0; bottom:-2px; height:2px; width:0; background: var(--accent); transition: width .25s var(--ease); }
.nav__links a:hover::after, .nav__links a[aria-current="page"]::after { width:100%; }
.nav__cta { display: flex; align-items: center; gap: .8rem; }
.nav__toggle { display: none; background: transparent; border: 0; padding: .4rem; color: var(--ink); }
.nav__toggle svg { width: 28px; height: 28px; }
@media (max-width: 940px) {
  .nav__links, .nav__cta .btn { display: none; }   /* hide BOTH header buttons; use hamburger instead */
  .nav__toggle { display: inline-flex; }
  .mobile-nav.open { display: flex; }
}
.mobile-nav {
  display: none; flex-direction: column; gap: .25rem;
  padding: var(--space-sm) clamp(1.1rem,4vw,2rem) var(--space-md);
  border-bottom: 1px solid var(--line); background: var(--paper);
}
.mobile-nav a { font-family: var(--font-display); font-weight: 500; font-size: 1.15rem; padding: .8rem 0; border-bottom: 1px solid var(--line); }
.mobile-nav .btn { margin-top: var(--space-sm); }

/* ---------- Hero ---------- */
.hero { position: relative; padding-block: clamp(3.5rem, 8vw, 7rem) var(--space-xl); overflow: hidden; }
.hero__grid-bg { position: absolute; inset: 0; z-index: -2;
  background-image: linear-gradient(var(--paper-3) 1px, transparent 1px), linear-gradient(90deg, var(--paper-3) 1px, transparent 1px);
  background-size: 56px 56px; opacity: .6;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, #000 40%, transparent 100%);
}
.hero__glow { position: absolute; top: -10%; right: -5%; width: 50vw; height: 50vw; max-width: 720px; max-height: 720px; z-index: -1;
  background: radial-gradient(circle, rgba(0,212,255,.18), rgba(47,107,255,.10) 40%, transparent 70%); filter: blur(10px); }
.hero h1 { max-width: 16ch; }
.hero .lead { max-width: 56ch; margin-top: var(--space-sm); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); margin-top: var(--space-md); }
.hero__stats { display: flex; flex-wrap: wrap; gap: clamp(1.5rem,5vw,3.5rem); margin-top: var(--space-lg); padding-top: var(--space-md); border-top: 1px solid var(--line); }
.stat__num { font-family: var(--font-display); font-size: var(--step-3); font-weight: 600; letter-spacing: -.03em; line-height: 1; }
.stat__label { font-size: var(--step--1); color: var(--slate); margin-top: .35rem; }

/* ---------- Cards ---------- */
.card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: var(--space-md); transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
  height: 100%; display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
.card__icon { width: 50px; height: 50px; display: grid; place-items: center; border-radius: 12px; background: var(--ink); color: #fff; margin-bottom: var(--space-sm); transition: background .3s; }
.card:hover .card__icon { background: var(--accent); }
.card__icon svg { width: 26px; height: 26px; }
.card h3 { font-size: var(--step-1); }
.card p { font-size: var(--step--1); margin-top: .5rem; }
.card--link { position: relative; }
.card--link .card__more { margin-top: auto; padding-top: var(--space-sm); font-family: var(--font-display); font-weight: 600; font-size: .92rem; color: var(--accent-ink); display: inline-flex; align-items: center; gap: .4rem; }

/* Service list chips */
.chips { display: flex; flex-wrap: wrap; gap: .6rem; }
.chip { font-family: var(--font-display); font-size: var(--step--1); font-weight: 500; padding: .5rem 1rem; border: 1px solid var(--line); border-radius: 100px; background: var(--paper-2); transition: all .2s; }
.chip:hover { border-color: var(--accent); color: var(--accent-ink); background: var(--accent-soft); }

/* ---------- Sections w/ tint ---------- */
.bg-tint { background: var(--paper-2); }
.bg-ink { background: var(--ink); color: #fff; }
.bg-ink h1,.bg-ink h2,.bg-ink h3 { color: #fff; }
.bg-ink p { color: #C9C9C9; }
.bg-ink .eyebrow { color: var(--accent-2); }
.bg-ink .eyebrow::before { background: var(--accent-2); }

/* ---------- Feature row ---------- */
.feature-media { border-radius: var(--radius-lg); border: 1px solid var(--line); overflow: hidden; background: var(--paper-2); box-shadow: var(--shadow-md); }
.feature-media svg { width: 100%; height: auto; }

/* ---------- Steps / Process ---------- */
.steps { counter-reset: step; display: grid; gap: var(--space-md); }
.step { display: grid; grid-template-columns: auto 1fr; gap: var(--space-sm); align-items: start; }
.step__num { counter-increment: step; font-family: var(--font-display); font-weight: 600; font-size: var(--step-1);
  width: 54px; height: 54px; border-radius: 50%; border: 1.5px solid var(--line); display: grid; place-items: center; color: var(--accent-ink); }
.step__num::before { content: counter(step, decimal-leading-zero); }

/* ---------- Logos / trust ---------- */
.marquee-label { text-align: center; font-size: var(--step--1); letter-spacing: .14em; text-transform: uppercase; color: var(--slate); margin-bottom: var(--space-md); }

/* ---------- CTA band ---------- */
.cta-band { border-radius: var(--radius-lg); padding: clamp(2.5rem,6vw,4.5rem); background: var(--ink); color: #fff; position: relative; overflow: hidden; text-align: center; }
.cta-band::after { content:""; position:absolute; inset:0; pointer-events: none; background: radial-gradient(circle at 80% 120%, rgba(0,212,255,.25), transparent 50%); }
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { color:#fff; max-width: 18ch; margin-inline: auto; }
.cta-band p { color:#C9C9C9; max-width: 50ch; margin: var(--space-sm) auto var(--space-md); }

/* ---------- FAQ ---------- */
.faq details { border-bottom: 1px solid var(--line); padding: var(--space-sm) 0; }
.faq summary { font-family: var(--font-display); font-weight: 600; font-size: var(--step-1); list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 1rem; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-weight: 400; font-size: 1.6em; line-height: 1; color: var(--accent); transition: transform .25s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin-top: var(--space-sm); }

/* ---------- Page hero (interior) ---------- */
.page-hero { padding-block: clamp(3rem,7vw,5.5rem) var(--space-lg); position: relative; }
.page-hero h1 { max-width: 18ch; }
.page-hero .lead { max-width: 60ch; margin-top: var(--space-sm); }
.breadcrumbs { font-size: var(--step--1); color: var(--slate); margin-bottom: var(--space-md); }
.breadcrumbs a:hover { color: var(--ink); }
.breadcrumbs span { margin-inline: .4rem; }

/* ---------- Contact form ---------- */
.form { display: grid; gap: var(--space-sm); }
.field { display: grid; gap: .4rem; }
.field label { font-family: var(--font-display); font-weight: 500; font-size: .95rem; }
.field input, .field select, .field textarea {
  font: inherit; font-size: var(--step-0); padding: .85rem 1rem; border: 1.5px solid var(--line); border-radius: 10px;
  background: var(--paper); color: var(--ink); transition: border-color .2s, box-shadow .2s; width: 100%;
}
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-sm); }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }
.form-note { font-size: var(--step--1); color: var(--slate); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(2rem,5vw,4rem); align-items: start; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-detail { display: flex; gap: .9rem; align-items: flex-start; padding: var(--space-sm) 0; border-bottom: 1px solid var(--line); }
.contact-detail svg { width: 22px; height: 22px; color: var(--accent); flex: none; margin-top: 3px; }
.form-status { padding: var(--space-sm); border-radius: 10px; font-size: var(--step--1); display: none; }
.form-status.show { display: block; }
.form-status.success { background: #E7F6EE; color: #0B6B3A; }
.form-status.error { background: #FCE9E9; color: #9B1C1C; }

/* ---------- Stats / metrics ---------- */
.metric { text-align: center; padding: var(--space-md) var(--space-sm); }
.metric__num { font-family: var(--font-display); font-size: var(--step-4); font-weight: 600; letter-spacing: -.03em; line-height: 1; background: linear-gradient(120deg,var(--ink),var(--accent)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.metric__label { color: var(--slate); margin-top: .5rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: #C9C9C9; padding-block: var(--space-lg) var(--space-md); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: var(--space-md); }
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer .brand { color: #fff; }
.site-footer .brand__mark { color: #fff; }
.site-footer .brand__name span { color: var(--slate); }
.footer-about { max-width: 34ch; margin-top: var(--space-sm); font-size: var(--step--1); }
.footer-col h4 { color: #fff; font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; font-weight: 600; margin-bottom: var(--space-sm); }
.footer-col a { display: block; padding: .35rem 0; font-size: .95rem; color: #B5B5B5; transition: color .2s; }
.footer-col a:hover { color: #fff; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-sm); margin-top: var(--space-lg); padding-top: var(--space-md); border-top: 1px solid #2A2A2A; font-size: var(--step--1); color: var(--slate); }
.social { display: flex; gap: .8rem; }
.social a { width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid #2A2A2A; border-radius: 50%; color: #C9C9C9; transition: all .2s; }
.social a:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.social svg { width: 18px; height: 18px; }

/* ---------- Misc ---------- */
.tag { display:inline-block; font-family: var(--font-display); font-size: var(--step--1); font-weight: 600; color: var(--accent-ink); background: var(--accent-soft); padding: .3rem .8rem; border-radius: 100px; }
.divider { height: 1px; background: var(--line); border: 0; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--ink); color:#fff; padding: .8rem 1.2rem; z-index: 200; border-radius: 0 0 8px 0; }
.skip-link:focus { left: 0; }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Mobile spacing & polish ---------- */
@media (max-width: 760px) {
  :root {
    --space-2xl: 4rem;
    --space-xl: 3.25rem;   /* was 6rem — tightens section padding on phones */
    --space-lg: 2.5rem;    /* was 4rem */
  }
  .hero { padding-block: 2.25rem 3rem; }
  .hero__stats { gap: 1.25rem 2rem; }
  .cta-band { padding: 2.25rem 1.5rem; }
  .nav { height: 64px; }
  .split { gap: 1.75rem; }
}
@media (max-width: 420px) {
  .btn-lg { font-size: var(--step-0); padding: .9rem 1.4rem; }
  .hero__actions .btn { width: 100%; }   /* full-width stacked CTAs on tiny screens */
}

/* prose */
.prose p { margin-top: var(--space-sm); }
.prose h2 { margin-top: var(--space-lg); }
.prose h3 { margin-top: var(--space-md); }
.prose ul.bullets { margin-top: var(--space-sm); display: grid; gap: .6rem; }
.prose ul.bullets li { position: relative; padding-left: 1.8rem; color: var(--graphite); }
.prose ul.bullets li::before { content: ""; position: absolute; left: 0; top: .55em; width: 8px; height: 8px; border-radius: 2px; background: var(--accent); }