*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Cool near-black */
  --black:    #0C0D10;
  --black-2:  #15171C;
  --black-3:  #1F222A;
  /* Cool off-white */
  --white:    #F2F3F3;
  --white-2:  #E6E7E9;
  /* Text */
  --ink-text: #0C0D10;
  --muted-l:  #686C75;
  --bone:     #ECEDEF;
  --muted-d:  #888D97;
  /* Accent: electric cobalt */
  --accent:    #2C42FF;
  --accent-d:  #5E6FFF;          /* brighter, for dark backgrounds */
  --accent-soft: rgba(44,66,255,0.10);

  --border-d: rgba(236,237,239,0.14);
  --border-l: rgba(12,13,16,0.14);

  --font: 'Helvetica Neue', Helvetica, Arial, sans-serif;

  --ac: var(--accent);            /* context-aware accent */
}

html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--bone);
  font-family: var(--font);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.005em;
}

a { text-decoration: none; color: inherit; }
::selection { background: var(--accent); color: #fff; }

/* Fine grain overlay */
body::after {
  content: ''; position: fixed; inset: 0; z-index: 9000; pointer-events: none;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Shared kicker label */
.kicker {
  font-size: 11px; font-weight: 600; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ac); display: inline-flex; align-items: center; gap: 0.85rem;
}
.kicker::before { content: ''; display: block; width: 2.2rem; height: 2px; background: var(--ac); }

/* ─────────── NAV ─────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.5rem 5vw;
  transition: background 0.4s ease, padding 0.4s ease, border-color 0.4s ease;
  border-bottom: 1px solid transparent;
}
nav.scrolled {
  background: rgba(242,243,243,0.82); backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid var(--border-l); padding: 1rem 5vw;
}
.nav-logo {
  font-weight: 700; font-size: 0.95rem; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--bone); transition: color 0.4s ease; display: flex; align-items: center;
}
.nav-logo .dot { color: var(--accent-d); margin: 0 0.12em; }
nav.scrolled .nav-logo { color: var(--ink-text); }
nav.scrolled .nav-logo .dot { color: var(--accent); }

nav ul { display: flex; align-items: center; gap: 2.6rem; list-style: none; }
nav ul a { font-size: 12px; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted-d); transition: color 0.25s; }
nav.scrolled ul a { color: var(--muted-l); }
nav ul a:hover { color: var(--accent); }

.nav-cta { border: 1px solid var(--border-d); padding: 0.55rem 1.3rem !important; color: var(--bone) !important; transition: all 0.25s !important; }
nav.scrolled .nav-cta { border-color: var(--border-l); color: var(--ink-text) !important; }
.nav-cta:hover { background: var(--accent); border-color: var(--accent); color: #fff !important; }

/* ─────────── HERO ─────────── */
#hero {
  --ac: var(--accent-d);
  position: relative; min-height: 100vh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 8rem 5vw 6rem; overflow: hidden; background: var(--black);
}
.bloom { position: absolute; border-radius: 50%; filter: blur(90px); pointer-events: none; z-index: 0; }
.bloom-1 { width: 46vw; height: 46vw; top: -8%; right: -6%; background: radial-gradient(circle, rgba(44,66,255,0.42), transparent 64%); animation: drift1 26s ease-in-out infinite; }
.bloom-2 { width: 40vw; height: 40vw; bottom: -14%; left: -10%; background: radial-gradient(circle, rgba(94,111,255,0.20), transparent 66%); animation: drift2 32s ease-in-out infinite; }
@keyframes drift1 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(-5vw,4vw)} }
@keyframes drift2 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(6vw,-3vw)} }

#hero::before {
  content: ''; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--border-d) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-d) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: radial-gradient(circle at 28% 50%, #000 0%, transparent 78%);
  opacity: 0.55;
}

.hero-inner { position: relative; z-index: 2; max-width: 1400px; width: 100%; margin: 0 auto; }
.hero-label { margin-bottom: 2rem; }

h1 {
  font-weight: 700; font-size: clamp(3rem, 9vw, 9.5rem);
  line-height: 0.92; letter-spacing: -0.035em; color: var(--bone);
}
h1 .ac { color: var(--accent-d); }

.hero-sub { margin-top: 2.5rem; max-width: 540px; font-size: 1.05rem; color: var(--muted-d); line-height: 1.7; font-weight: 400; }

.hero-cta-row { display: flex; align-items: center; gap: 1.8rem; margin-top: 2.8rem; flex-wrap: wrap; }

.btn-primary {
  display: inline-flex; align-items: center; gap: 0.7rem; background: var(--accent); color: #fff;
  font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 1rem 1.8rem; cursor: pointer; transition: transform 0.25s, box-shadow 0.25s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 40px rgba(44,66,255,0.4); }
.btn-primary svg { width: 15px; height: 15px; stroke: #fff; }

.btn-ghost { font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted-d); display: inline-flex; align-items: center; gap: 0.45rem; transition: color 0.25s; cursor: pointer; }
.btn-ghost:hover { color: var(--bone); }
.btn-ghost .arrow { transition: transform 0.25s; }
.btn-ghost:hover .arrow { transform: translateX(4px); }

.hero-scroll { position: absolute; left: 5vw; bottom: 3rem; z-index: 2; display: flex; align-items: center; gap: 0.85rem; font-size: 10px; font-weight: 600; letter-spacing: 0.25em; text-transform: uppercase; color: var(--muted-d); }
.scroll-line { width: 52px; height: 1px; background: var(--muted-d); position: relative; overflow: hidden; }
.scroll-line::after { content:''; position:absolute; inset:0; background: var(--accent-d); transform: translateX(-100%); animation: scrollSweep 2.4s ease infinite; }
@keyframes scrollSweep { 0%{transform:translateX(-100%)} 60%{transform:translateX(100%)} 100%{transform:translateX(100%)} }

/* ─────────── MARQUEE (accent band) ─────────── */
.marquee-wrap { overflow: hidden; background: var(--accent); padding: 0.95rem 0; position: relative; z-index: 3; }
.marquee-track { display: flex; width: max-content; animation: marquee 38s linear infinite; }
.marquee-track:hover { animation-play-state: paused; }
.marquee-track span { font-size: 0.92rem; font-weight: 500; letter-spacing: 0.02em; color: #fff; padding: 0 1.6rem; white-space: nowrap; display: inline-flex; align-items: center; }
.marquee-track .sep { font-size: 0.65rem; opacity: 0.6; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ─────────── LIGHT SECTIONS ─────────── */
.light { --ac: var(--accent); background: var(--white); color: var(--ink-text); position: relative; z-index: 2; padding: 9rem 5vw; }
.wrap { max-width: 1400px; margin: 0 auto; }

h2 { font-weight: 700; font-size: clamp(2.4rem, 5.2vw, 4.6rem); line-height: 0.98; letter-spacing: -0.03em; color: var(--ink-text); }
h2 .ac { color: var(--ac); }

.sec-head { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 4rem; align-items: end; margin-bottom: 4.5rem; }
.sec-head .lead { margin-top: 1.4rem; }
.sec-intro { font-size: 1.05rem; color: var(--muted-l); line-height: 1.75; max-width: 460px; font-weight: 400; }

/* ── Services: editorial index ── */
.svc-list { border-top: 1px solid var(--border-l); }
.svc-row {
  display: grid; grid-template-columns: 80px 1.1fr 1.4fr auto; gap: 2rem; align-items: baseline;
  padding: 2.2rem 0.5rem; border-bottom: 1px solid var(--border-l); position: relative;
  transition: background 0.35s, padding-left 0.35s; cursor: default;
}
.svc-row::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--accent); transform: scaleY(0); transform-origin: top; transition: transform 0.4s ease; }
.svc-row:hover { background: var(--white-2); padding-left: 1.4rem; }
.svc-row:hover::before { transform: scaleY(1); }
.svc-num { font-size: 13px; font-weight: 600; color: var(--accent); letter-spacing: 0.04em; }
.svc-title { font-weight: 600; font-size: clamp(1.4rem, 2.5vw, 2rem); line-height: 1.05; letter-spacing: -0.025em; color: var(--ink-text); }
.svc-desc { font-size: 0.95rem; color: var(--muted-l); line-height: 1.65; font-weight: 400; }
.svc-pill { font-size: 10px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); border: 1px solid var(--border-l); padding: 0.35rem 0.8rem; white-space: nowrap; transition: background 0.3s, color 0.3s, border-color 0.3s; }
.svc-row:hover .svc-pill { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ─────────── DARK SECTIONS ─────────── */
.dark { --ac: var(--accent-d); background: var(--black); color: var(--bone); position: relative; z-index: 2; padding: 9rem 5vw; }
.dark::before { content: ''; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(60vw 50vw at 85% 0%, rgba(44,66,255,0.12), transparent 70%); }
.dark .wrap { position: relative; }
.dark h2 { color: var(--bone); }
.dark .sec-intro { color: var(--muted-d); }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--border-d); border-bottom: 1px solid var(--border-d); margin-bottom: 4.5rem; }
.stat { padding: 2.4rem 1.6rem; border-right: 1px solid var(--border-d); transition: background 0.3s; }
.stat:last-child { border-right: none; }
.stat:hover { background: var(--black-2); }
.stat-num { font-weight: 700; font-size: clamp(2.6rem, 4.5vw, 3.6rem); line-height: 1; color: var(--accent-d); letter-spacing: -0.03em; }
.stat-label { font-size: 11px; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted-d); margin-top: 0.7rem; line-height: 1.45; }

.cred-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border-d); border: 1px solid var(--border-d); margin-bottom: 4.5rem; }
.cred-card { background: var(--black); padding: 2.4rem 2rem; position: relative; overflow: hidden; transition: background 0.35s; }
.cred-card:hover { background: var(--black-2); }
.cred-card::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--accent-d), transparent); transform: scaleX(0); transform-origin: left; transition: transform 0.45s ease; }
.cred-card:hover::after { transform: scaleX(1); }
.cred-label { font-size: 10px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent-d); margin-bottom: 1.1rem; }
.cred-title { font-weight: 600; font-size: 1.3rem; line-height: 1.15; color: var(--bone); margin-bottom: 0.85rem; letter-spacing: -0.02em; }
.cred-body { font-size: 0.92rem; color: var(--muted-d); line-height: 1.65; font-weight: 400; }

.skills-head { font-size: 11px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted-d); margin-bottom: 1.4rem; }
.skills-row { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.skill-pill { font-size: 11px; font-weight: 500; letter-spacing: 0.02em; color: var(--muted-d); border: 1px solid var(--border-d); padding: 0.45rem 0.95rem; transition: color 0.2s, border-color 0.2s, background 0.2s; }
.skill-pill:hover { color: #fff; border-color: var(--accent-d); background: var(--accent-soft); }

/* ─────────── PROCESS (light) ─────────── */
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 4rem; position: relative; }
.process-steps::before { content: ''; position: absolute; top: 7px; left: 0; right: 0; height: 1px; background: var(--border-l); }
.process-step { padding-right: 2rem; }
.step-dot { width: 14px; height: 14px; border-radius: 50%; border: 2px solid var(--accent); background: var(--white); position: relative; z-index: 1; margin-bottom: 1.6rem; transition: background 0.3s; }
.process-step:hover .step-dot { background: var(--accent); }
.step-num { font-size: 12px; font-weight: 600; letter-spacing: 0.1em; color: var(--accent); margin-bottom: 0.6rem; }
.step-title { font-weight: 600; font-size: 1.4rem; color: var(--ink-text); margin-bottom: 0.7rem; letter-spacing: -0.025em; }
.step-desc { font-size: 0.92rem; color: var(--muted-l); line-height: 1.65; font-weight: 400; }

/* ─────────── CONTACT (dark) ─────────── */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; }
.contact-tagline { font-weight: 700; font-size: clamp(2.2rem, 4vw, 3.6rem); line-height: 1; letter-spacing: -0.035em; margin: 1.6rem 0; color: var(--bone); }
.contact-tagline .ac { color: var(--accent-d); }
.contact-desc { font-size: 1rem; color: var(--muted-d); line-height: 1.7; max-width: 400px; margin-bottom: 2.6rem; font-weight: 400; }
.contact-link { display: flex; align-items: center; gap: 0.9rem; font-size: 12px; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted-d); margin-bottom: 1rem; transition: color 0.2s; }
.contact-link:hover { color: var(--accent-d); }
.contact-link svg { width: 15px; height: 15px; opacity: 0.6; flex-shrink: 0; }

.contact-form { display: flex; flex-direction: column; gap: 1.2rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-label { font-size: 10px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted-d); }
.form-group input, .form-group textarea, .form-group select {
  background: var(--black-2); border: 1px solid var(--border-d); color: var(--bone);
  font-family: var(--font); font-size: 0.95rem; font-weight: 400; padding: 0.9rem 1rem; outline: none;
  transition: border-color 0.2s; resize: none; -webkit-appearance: none;
}
.form-group select option { background: var(--black-2); color: var(--bone); }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--accent-d); }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--muted-d); }
.form-submit { background: var(--accent); border: 1px solid var(--accent); color: #fff; font-family: var(--font); font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; padding: 1.1rem 2rem; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 1rem; transition: transform 0.25s, box-shadow 0.25s; width: 100%; }
.form-submit:hover { transform: translateY(-2px); box-shadow: 0 12px 36px rgba(44,66,255,0.4); }
.form-submit svg { width: 16px; height: 16px; stroke: #fff; }
.form-submit:disabled { opacity: 0.9; cursor: default; transform: none; box-shadow: none; }
.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-result { font-size: 0.9rem; line-height: 1.5; min-height: 1.2em; margin-top: -0.2rem; }
.form-result.ok { color: var(--accent-d); }
.form-result.err { color: #FF6B5E; }

/* ─────────── FOOTER ─────────── */
footer { position: relative; z-index: 2; background: var(--black); border-top: 1px solid var(--border-d); padding: 2.4rem 5vw; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1.2rem; }
.footer-logo { font-weight: 700; font-size: 0.9rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--bone); display: flex; align-items: center; }
.footer-logo .dot { color: var(--accent-d); margin: 0 0.12em; }
.footer-copy { font-size: 12px; letter-spacing: 0.02em; color: var(--muted-d); }
.footer-links { display: flex; gap: 1.8rem; list-style: none; }
.footer-links a { font-size: 11px; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted-d); transition: color 0.2s; }
.footer-links a:hover { color: var(--accent-d); }

/* ─────────── REVEAL ─────────── */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.8s cubic-bezier(.22,1,.36,1), transform 0.8s cubic-bezier(.22,1,.36,1); }
.reveal.visible { opacity: 1; transform: none; }
.d1 { transition-delay: 0.08s; } .d2 { transition-delay: 0.18s; } .d3 { transition-delay: 0.3s; } .d4 { transition-delay: 0.42s; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } .bloom, .scroll-line::after, .marquee-track { animation: none; } }

/* ─────────── RESPONSIVE ─────────── */
@media (max-width: 980px) {
  .sec-head { grid-template-columns: 1fr; gap: 1.6rem; align-items: start; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--border-d); }
  .cred-grid { grid-template-columns: 1fr 1fr; }
  .process-steps { grid-template-columns: 1fr 1fr; gap: 2.5rem 1.5rem; }
  .process-steps::before { display: none; }
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
}
@media (max-width: 760px) {
  nav ul li:not(.cta-li) { display: none; }
  .light, .dark { padding: 5.5rem 6vw; }
  #hero { padding: 7rem 6vw 5rem; }
  .svc-row { grid-template-columns: 50px 1fr; gap: 0.6rem 1rem; padding: 1.8rem 0.3rem; }
  .svc-desc, .svc-pill { grid-column: 2 / 3; }
  .svc-pill { justify-self: start; }
  .cred-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-copy { order: 3; flex-basis: 100%; }
}