/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg:        #f4f6fb;
  --paper:     #ffffff;
  --glass:     rgba(255, 255, 255, 0.55);
  --glass-2:   rgba(255, 255, 255, 0.3);
  --glass-border: rgba(255, 255, 255, 0.65);
  --ink:       #000033;
  --ink-soft:  #3a3a5c;
  --ink-mute:  #75758f;
  --accent:    #0033cc;
  --accent-2:  #000080;
  --accent-bright: #0055ff;
  --accent-soft: rgba(0, 51, 204, 0.1);
  --line:      rgba(0, 0, 51, 0.1);

  --sans: "Montserrat", system-ui, -apple-system, sans-serif;
  --display: "Arvo", "Montserrat", system-ui, serif;

  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --nav-h: 76px;
  --container: 1180px;
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  tab-size: 2;
  scroll-behavior: smooth;
}
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
}
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.05; letter-spacing: -0.01em; font-family: var(--display); font-weight: 400; }
ul { list-style: none; padding: 0; }
input, textarea { font: inherit; color: inherit; }
::selection { background: var(--accent); color: #fff; }

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* =============================================================
   3. Utilities
   ============================================================= */
.skip-link {
  position: fixed; top: -100px; left: 1rem;
  padding: .6rem 1rem; background: var(--ink); color: #fff;
  z-index: 9999; border-radius: 8px; font-weight: 500;
  transition: top .2s var(--ease-out);
}
.skip-link:focus { top: 1rem; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-split] { opacity: 1; transform: none; }

/* =============================================================
   4. Buttons
   ============================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .85rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: .95rem;
  transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out), background .3s ease;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 12px 30px -10px rgba(0, 51, 204, 0.5);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -8px rgba(0, 51, 204, 0.55); }

.btn-glass {
  background: var(--glass);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border: 1px solid var(--glass-border);
  color: var(--ink);
}
@supports not (backdrop-filter: blur(1px)) {
  .btn-glass { background: rgba(255,255,255,0.85); }
}
.btn-glass:hover { transform: translateY(-2px); background: rgba(255,255,255,0.7); }

.btn-ghost {
  color: var(--ink-soft);
  padding-inline: .2rem;
  position: relative;
}
.btn-ghost::after {
  content: "";
  position: absolute; left: 0; right: 100%; bottom: -2px;
  height: 1.5px; background: var(--ink);
  transition: right .35s var(--ease-out);
}
.btn-ghost:hover::after { right: 0; }

/* =============================================================
   5. Nav
   ============================================================= */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: rgba(243, 245, 249, 0.55);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease, background .3s ease;
}
.nav.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(243, 245, 249, 0.85);
}
.nav-inner {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
}
.brand {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}
.brand-mark {
  width: 32px; height: auto;
  display: block;
  flex-shrink: 0;
}
.brand-word {
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.01em;
}
.brand-tagline {
  display: none;
  font-family: var(--sans);
  font-weight: 500;
  font-size: .66rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--ink-mute);
  padding-left: .55rem;
  border-left: 1px solid var(--line);
}
@media (min-width: 640px) {
  .brand-tagline { display: inline-block; }
}
.nav-links {
  display: none;
  align-items: center;
  gap: 2rem;
}
.nav-links a { font-size: .95rem; font-weight: 500; color: var(--ink-soft); }
.nav-links a:hover { color: var(--ink); }
.nav-cta { display: none; }
.nav-toggle {
  display: inline-flex;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
}

.nav-links.is-open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%; left: 0; right: 0;
  padding: 1.25rem 1.5rem 1.5rem;
  background: rgba(243, 245, 249, 0.97);
  border-bottom: 1px solid var(--line);
  gap: 1.1rem;
}

@media (min-width: 720px) {
  .nav-links { display: flex; }
  .nav-links.is-open { position: static; background: none; border: 0; padding: 0; flex-direction: row; }
  .nav-cta { display: inline-flex; }
  .nav-toggle { display: none; }
}

/* =============================================================
   6. Hero
   ============================================================= */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  overflow: clip;
}
.hero-mesh {
  position: absolute;
  inset: -10% -10% -10% -10%;
  z-index: -1;
  background:
    radial-gradient(at 18% 22%, rgba(0, 51, 204, 0.35) 0%, transparent 55%),
    radial-gradient(at 82% 18%, rgba(0, 0, 128, 0.32) 0%, transparent 55%),
    radial-gradient(at 55% 85%, rgba(0, 85, 255, 0.2) 0%, transparent 60%);
  filter: blur(70px) saturate(150%);
  animation: meshDrift 26s ease-in-out infinite;
}
@keyframes meshDrift {
  0%, 100% { transform: scale(1) rotate(0deg); }
  50%      { transform: scale(1.15) rotate(8deg); }
}
.hero-grid {
  position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 40%, transparent 100%);
  opacity: .5;
}

.hero-inner { padding-block: 4rem; }
.hero-mark { width: 68px; height: auto; margin-bottom: 1.4rem; }
.hero-title {
  font-size: clamp(2.4rem, 6.6vw, 4.6rem);
  margin-top: 1.1rem;
  max-width: 16ch;
}
.hero-title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-subtitle {
  margin-top: .7rem;
  max-width: 60ch;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--ink-soft);
}
.hero-sub {
  margin-top: 1.4rem;
  max-width: 60ch;
  font-size: 1.1rem;
  color: var(--ink-soft);
}
.hero-actions {
  margin-top: 2.2rem;
  display: flex; flex-wrap: wrap;
  gap: 1rem;
}
.hero-meta {
  margin-top: 3rem;
  display: flex; flex-wrap: wrap;
  gap: .6rem 1.2rem;
  font-size: .85rem;
  color: var(--ink-mute);
}
.hero-meta span { display: inline-flex; align-items: center; gap: .4rem; }
.hero-meta span::before { content: "—"; color: var(--line); }
.hero-meta span:first-child::before { content: none; }

/* =============================================================
   7. Sections
   ============================================================= */
.section { padding-block: clamp(4rem, 9vw, 7rem); position: relative; }
.section-head { max-width: 640px; margin-bottom: 3rem; }
.section-title { font-size: clamp(1.8rem, 3.4vw, 2.6rem); margin-top: .8rem; }
.section-sub { margin-top: 1rem; color: var(--ink-soft); font-size: 1.05rem; }

/* Services */
.services-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) { .services-grid { grid-template-columns: repeat(3, 1fr); } }

.glass-card {
  padding: 2rem 1.75rem;
  border-radius: 22px;
  background: rgba(255,255,255,0.7);
  border: 1px solid var(--glass-border);
  transition: transform .4s var(--ease-out), box-shadow .4s var(--ease-out), border-color .4s ease;
}
@supports (backdrop-filter: blur(20px)) {
  .glass-card {
    background: var(--glass);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
  }
}
.glass-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 50px -20px rgba(16, 23, 42, 0.25);
  border-color: rgba(0, 51, 204, 0.3);
}
.card-icon {
  width: 46px; height: 46px;
  border-radius: 14px;
  display: grid; place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: 1.2rem;
}
.card-title { font-size: 1.2rem; margin-bottom: .6rem; }
.card-desc { color: var(--ink-soft); font-size: .95rem; }

/* Process */
.process-list {
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 720px) { .process-list { grid-template-columns: repeat(3, 1fr); } }
.process-item { position: relative; padding-left: 0; }
.process-num {
  font-family: var(--display);
  font-size: 2.4rem;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--accent);
  opacity: .5;
}
.process-title { margin-top: .6rem; font-size: 1.1rem; }
.process-desc { margin-top: .5rem; color: var(--ink-soft); font-size: .95rem; }

/* About / manifesto */
.manifesto {
  display: grid;
  gap: 2rem;
}
@media (min-width: 960px) { .manifesto { grid-template-columns: .8fr 1.2fr; align-items: start; } }
.manifesto-lead {
  font-family: var(--display);
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  line-height: 1.3;
}
.manifesto-body p { color: var(--ink-soft); margin-top: 1rem; }
.manifesto-body p:first-child { margin-top: 0; }

/* Contact */
.contact-wrap {
  display: grid;
  gap: 2rem;
}
@media (min-width: 960px) { .contact-wrap { grid-template-columns: 1fr 1.1fr; } }

.contact-card {
  padding: 2rem;
  border-radius: 24px;
}
.contact-links { margin-top: 1.5rem; display: flex; flex-direction: column; gap: .9rem; }
.contact-link {
  display: flex; align-items: center; gap: .8rem;
  font-size: 1rem; font-weight: 500;
  padding: .9rem 1rem;
  border-radius: 14px;
  background: rgba(255,255,255,0.5);
  border: 1px solid var(--glass-border);
  transition: background .3s ease, transform .3s var(--ease-out);
}
.contact-link:hover { background: rgba(255,255,255,0.85); transform: translateX(4px); }
.contact-link .ico {
  width: 36px; height: 36px; border-radius: 10px;
  display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent);
  flex-shrink: 0;
}

.form-grid { display: grid; gap: 1rem; }
.field { display: flex; flex-direction: column; gap: .4rem; }
.field label { font-size: .85rem; font-weight: 600; color: var(--ink-soft); }
.field input, .field textarea {
  padding: .85rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.7);
  transition: border-color .3s ease, background .3s ease;
}
.field input:focus, .field textarea:focus {
  border-color: var(--accent);
  background: #fff;
  outline: none;
}
.field textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: .82rem; color: var(--ink-mute); margin-top: .3rem; }
.form-status { font-size: .9rem; margin-top: .6rem; min-height: 1.2em; color: var(--accent); }

/* Footer */
.footer {
  padding-block: 2.5rem;
  border-top: 1px solid var(--line);
}
.footer-inner {
  display: flex; flex-wrap: wrap;
  align-items: center; justify-content: space-between;
  gap: 1rem;
}
.footer-brand { display: flex; flex-direction: column; gap: .35rem; }
.footer-note { display: inline-flex; align-items: center; gap: .5rem; font-size: .85rem; color: var(--ink-mute); }
.footer-mark { width: 18px; height: auto; opacity: .8; }
.footer-wordmark { font-family: var(--display); font-weight: 700; color: var(--ink); }
.footer-handle { margin-left: .3rem; padding-left: .55rem; border-left: 1px solid var(--line); color: var(--ink-mute); }
.footer-copy { font-size: .78rem; color: var(--ink-mute); }
.footer-links { display: flex; gap: 1.4rem; }
.footer-links a { font-size: .85rem; color: var(--ink-soft); }
.footer-links a:hover { color: var(--ink); }

/* =============================================================
   8. Responsive helpers
   ============================================================= */
@media (min-width: 1280px) {
  .hero-title { max-width: 18ch; }
}

/* =============================================================
   9. Reduced motion — only truly intrusive
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  .hero-mesh { animation: none; }
}