/* Implementations page — premium light editorial redesign (2026-09-03).
   Scoped entirely under body.impl; the rest of the site is untouched.
   Palette: warm off-white paper, white surfaces, near-black ink, one blue accent. */

body.impl {
  --paper: #FAF8F4;
  --white: #FFFFFF;
  --ink: #12151C;
  --ink-2: #4C5464;
  --ink-3: #8B93A5;
  --line: #E6E2D8;
  --line-dark: rgba(18, 21, 28, 0.14);
  --iaccent: #0F62FE;
  --iaccent-ink: #0B4ECC;
  --dark: #101319;
  /* Remap the base theme variables so every shared component (cards, tiers,
     steps, forms, FAQ, stats…) flips to the light editorial palette without
     touching page markup. */
  --bg: var(--paper);
  --surface: var(--white);
  --surface-2: #F2EFE8;
  --border: var(--line);
  --accent: var(--iaccent);
  --accent-strong: var(--iaccent-ink);
  --green: #0E9F6E;
  --text: var(--ink-2);
  --muted: #6E7686;
  --heading: var(--ink);
  --shadow: 0 14px 44px rgba(18, 21, 28, 0.08);
  --card-grad: var(--white);
  --card-grad-alt: var(--white);
  --card-inset: inset 0 0 0 0 transparent;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--paper);
  color: var(--ink-2);
}

body.impl h1, body.impl h2, body.impl h3, body.impl h4 {
  font-family: 'Inter Tight', 'Inter', sans-serif;
  color: var(--ink);
  letter-spacing: -0.025em;
}
body.impl a { color: var(--iaccent); }

/* ---------- Header & footer: light variants ---------- */
body.impl .site-header { background: rgba(250, 248, 244, 0.92); border-bottom: 1px solid var(--line); }
body.impl .site-header.scrolled { background: rgba(250, 248, 244, 0.97); box-shadow: 0 8px 30px rgba(18, 21, 28, 0.07); }
body.impl .logo { color: var(--ink); }
body.impl .logo .logo-it { color: var(--iaccent); }
body.impl .nav-link { color: var(--ink-2); }
body.impl .nav-link:hover { color: var(--ink); }
body.impl .dropdown { background: var(--white); border-color: var(--line); box-shadow: 0 18px 50px rgba(18, 21, 28, 0.1); }
body.impl .dropdown a { color: var(--ink); }
body.impl .dropdown a small { color: var(--ink-3); }
body.impl .dropdown a:hover { background: var(--paper); color: var(--iaccent); }
body.impl .nav-toggle { border-color: var(--line-dark); color: var(--ink); }
body.impl .btn-primary { background: var(--iaccent); color: #fff; }
body.impl .btn-primary:hover { background: var(--iaccent-ink); box-shadow: 0 10px 26px rgba(15, 98, 254, 0.28); }
body.impl .btn-ghost { color: var(--ink); border-color: var(--line-dark); }
body.impl .btn-ghost:hover { border-color: var(--ink); color: var(--ink); }
@media (max-width: 960px) {
  body.impl .site-nav { background: var(--white); border-bottom: 1px solid var(--line); }
  body.impl .site-nav > ul > li { border-color: var(--line); }
}

body.impl .site-footer { background: var(--white); border-top: 1px solid var(--line); }
body.impl .footer-brand p, body.impl .footer-meta { color: var(--ink-3); }
body.impl .footer-col h4 { color: var(--ink-3); }
body.impl .footer-col a { color: var(--ink-2); }
body.impl .footer-col a:hover { color: var(--iaccent); }
body.impl .footer-meta { border-color: var(--line); }

/* ---------- Editorial hero ---------- */
.ix-hero { padding: clamp(4.5rem, 9vw, 7.5rem) 0 clamp(3rem, 6vw, 5rem); }
.ix-hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(2.5rem, 6vw, 5rem); align-items: center; }
.ix-kicker {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--iaccent); margin-bottom: 1.4rem;
}
.ix-kicker::before { content: ""; width: 30px; height: 1px; background: var(--iaccent); }
.ix-hero h1 {
  font-size: clamp(2.6rem, 5.4vw, 4.3rem);
  line-height: 1.04;
  font-weight: 700;
  max-width: 14ch;
}
.ix-hero h1 em { font-style: normal; color: var(--iaccent); }
.ix-lede { margin-top: 1.6rem; max-width: 56ch; font-size: 1.1rem; line-height: 1.75; color: var(--ink-2); }
.ix-hero .hero-actions { margin-top: 2.4rem; display: flex; gap: 0.9rem; flex-wrap: wrap; }
.ix-visual svg { width: 100%; height: auto; }

/* ---------- Differentiator strip ---------- */
.ix-diff { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--white); }
.ix-diff-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.ix-diff-item { padding: 1.9rem 1.6rem; border-left: 1px solid var(--line); }
.ix-diff-item:first-child { border-left: none; }
.ix-diff-item .ix-diff-num { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.12em; color: var(--iaccent); }
.ix-diff-item h3 { font-size: 1.06rem; margin: 0.5rem 0 0.35rem; font-weight: 600; letter-spacing: -0.01em; }
.ix-diff-item p { font-size: 0.9rem; color: var(--ink-3); line-height: 1.55; }

/* ---------- Section scaffolding ---------- */
.ix-section { padding: clamp(4rem, 8vw, 6.5rem) 0; }
.ix-head { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: end; margin-bottom: clamp(2.4rem, 5vw, 3.8rem); }
.ix-head h2 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); line-height: 1.1; font-weight: 700; }
.ix-head p { color: var(--ink-2); font-size: 1.02rem; line-height: 1.7; max-width: 52ch; }
.ix-eyebrow { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 0.9rem; }

/* ---------- Platform showcase: editorial rows, not cards ---------- */
.ix-platforms { border-top: 1px solid var(--line-dark); }
.ix-row {
  display: grid; grid-template-columns: 0.75fr 1.25fr auto; gap: 2rem; align-items: baseline;
  padding: 2.1rem 0.4rem; border-bottom: 1px solid var(--line-dark);
  position: relative; transition: background 0.25s ease, padding-left 0.25s ease;
}
.ix-row::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--iaccent); transform: scaleY(0); transition: transform 0.25s ease;
}
.ix-row:hover { background: var(--white); padding-left: 1.4rem; }
.ix-row:hover::before { transform: scaleY(1); }
.ix-row-name { display: flex; align-items: baseline; gap: 1rem; }
.ix-row-name .ix-num { font-size: 0.8rem; font-weight: 600; color: var(--ink-3); letter-spacing: 0.08em; }
.ix-row-name h3 { font-size: clamp(1.35rem, 2.4vw, 1.8rem); font-weight: 650; transition: color 0.2s ease; }
.ix-row:hover .ix-row-name h3 { color: var(--iaccent); }
.ix-row p { font-size: 0.98rem; line-height: 1.7; color: var(--ink-2); max-width: 62ch; }
.ix-row .ix-arrow { color: var(--ink-3); font-size: 1.3rem; transition: transform 0.25s ease, color 0.25s ease; align-self: center; }
.ix-row:hover .ix-arrow { transform: translateX(6px); color: var(--iaccent); }

/* ---------- Process: dark editorial band, oversized numerals ---------- */
.ix-process { background: var(--dark); color: #B9C0CE; }
.ix-process .ix-eyebrow { color: #6E7789; }
body.impl .ix-process h2 { color: #F5F7FA; }
.ix-process .ix-head p { color: #9AA3B4; }
.ix-stages { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid rgba(255, 255, 255, 0.14); }
.ix-stages--3 { grid-template-columns: repeat(3, 1fr); }
.ix-stage { padding: 2.4rem 1.8rem 0.6rem 0; border-right: 1px solid rgba(255, 255, 255, 0.1); margin-right: 1.8rem; }
.ix-stage:last-child { border-right: none; margin-right: 0; }
.ix-stage .ix-big {
  font-family: 'Inter Tight', 'Inter', sans-serif;
  font-size: clamp(3.4rem, 6vw, 5rem); font-weight: 700; line-height: 1;
  color: transparent; -webkit-text-stroke: 1px rgba(255, 255, 255, 0.28);
}
body.impl .ix-stage h3 { color: #F5F7FA; font-size: 1.2rem; margin: 1.1rem 0 0.6rem; font-weight: 650; }
.ix-stage p { font-size: 0.92rem; line-height: 1.65; color: #9AA3B4; }
.ix-process .ix-note { margin-top: 2.6rem; color: #9AA3B4; font-size: 0.95rem; max-width: 70ch; }
.ix-process .ix-note a { color: #7FB2FF; }

/* ---------- Whole-stack architecture ---------- */
.ix-stack-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 6vw, 5rem); align-items: center; }
.ix-stack-grid svg { width: 100%; height: auto; }
.ix-stack-copy h2 { font-size: clamp(1.8rem, 3.2vw, 2.5rem); margin-bottom: 1.1rem; }
.ix-stack-copy p { font-size: 1.02rem; line-height: 1.75; }

/* ---------- CTA ---------- */
.ix-cta { text-align: center; padding: clamp(4rem, 9vw, 7rem) 0; border-top: 1px solid var(--line); background: var(--white); }
.ix-cta h2 { font-size: clamp(1.9rem, 3.8vw, 2.9rem); max-width: 22ch; margin: 0 auto 1rem; }
.ix-cta p { max-width: 52ch; margin: 0 auto 2rem; font-size: 1.05rem; line-height: 1.7; }

/* ---------- Whole-site re-theme of shared components ---------- */

/* Heroes: light paper with a whisper of accent, no dark glows */
body.impl .hero, body.impl .page-hero {
  background: radial-gradient(ellipse 55% 55% at 82% -10%, rgba(15, 98, 254, 0.07), transparent 60%), var(--paper);
}
body.impl .hero::before, body.impl .page-hero::before {
  background-image:
    linear-gradient(rgba(18, 21, 28, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 21, 28, 0.03) 1px, transparent 1px);
}
body.impl .hero::after { background: linear-gradient(90deg, transparent 5%, rgba(15, 98, 254, 0.5) 35%, rgba(14, 159, 110, 0.35) 65%, transparent 95%); }
body.impl .hero .kicker, body.impl .section-head .kicker { color: var(--iaccent); }
body.impl .hero .kicker::before { background: var(--iaccent); }
body.impl h1 { font-weight: 700; }

/* Sections: paper with faint ink dot texture; bands are white with hairlines */
body.impl .section {
  background-image: radial-gradient(rgba(18, 21, 28, 0.03) 1px, transparent 1.5px);
  background-size: 28px 28px;
}
body.impl .section--alt {
  background:
    linear-gradient(rgba(18, 21, 28, 0.016) 1px, transparent 1px) 0 0 / 44px 44px,
    linear-gradient(90deg, rgba(18, 21, 28, 0.016) 1px, transparent 1px) 0 0 / 44px 44px,
    var(--white);
}

/* Cards & tiles: white surfaces, 1px borders, soft shadow on hover only */
body.impl .card, body.impl .step, body.impl .tier, body.impl .case, body.impl .form-card {
  box-shadow: none;
}
body.impl .card:hover, body.impl .step:hover, body.impl .case:hover {
  border-color: rgba(15, 98, 254, 0.45);
  box-shadow: 0 16px 40px rgba(18, 21, 28, 0.1);
}
body.impl .card-icon { background: rgba(15, 98, 254, 0.09); color: var(--iaccent); }
body.impl .card:hover .card-icon { background: rgba(15, 98, 254, 0.15); }
body.impl .card-icon--green { background: rgba(14, 159, 110, 0.1); color: var(--green); }
body.impl .step::before { color: var(--iaccent); background: rgba(15, 98, 254, 0.09); }
body.impl .tier { box-shadow: none; }
body.impl .tier:hover { box-shadow: 0 16px 40px rgba(18, 21, 28, 0.1); }
body.impl .tier--popular { box-shadow: 0 0 0 1px var(--iaccent), var(--shadow); }
body.impl .tier .tier-badge { background: var(--iaccent); color: #fff; }
body.impl .faq-item { background: var(--white); box-shadow: none; }
body.impl .case .case-tag { color: var(--green); background: rgba(14, 159, 110, 0.1); }

/* CTA band: dark ink block for rhythm against the light page */
body.impl .cta-band {
  background: var(--dark);
  border-color: var(--dark);
}
body.impl .cta-band::before { background-image: radial-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px); }
body.impl .cta-band h2 { color: #F5F7FA; }
body.impl .cta-band p { color: #9AA3B4; }

/* Forms & inputs */
body.impl .form-field input, body.impl .form-field select, body.impl .form-field textarea {
  background: var(--white); border-color: var(--line); color: var(--ink);
}
body.impl .form-field input:focus, body.impl .form-field select:focus, body.impl .form-field textarea:focus {
  border-color: var(--iaccent); box-shadow: 0 0 0 3px rgba(15, 98, 254, 0.14);
}
body.impl .form-status.success { color: #0B7A55; background: rgba(14, 159, 110, 0.1); border-color: rgba(14, 159, 110, 0.4); }
body.impl .form-status.error { color: #B42318; background: rgba(239, 68, 68, 0.08); border-color: rgba(239, 68, 68, 0.35); }

/* Decorative circuits: ink-toned on paper */
body.impl .section-deco { opacity: 0.1; }
body.impl .section-deco g[stroke] { stroke: var(--iaccent); }
body.impl .section-deco g[fill] { fill: var(--iaccent); }

/* Hero illustration reads as a dark product window on the light page — give
   it a soft plinth so it sits intentionally. */
body.impl .hero-visual svg { filter: drop-shadow(0 24px 50px rgba(18, 21, 28, 0.18)); }

/* ---------- Motion (restrained) ---------- */
body.impl .reveal { transform: translateY(16px); }

/* ---------- Responsive collapse ---------- */
@media (max-width: 1024px) {
  .ix-diff-grid { grid-template-columns: 1fr 1fr; }
  .ix-diff-item:nth-child(3) { border-left: none; }
  .ix-diff-item { border-top: 1px solid var(--line); }
  .ix-diff-item:nth-child(-n+2) { border-top: none; }
  .ix-stages { grid-template-columns: 1fr 1fr; }
  .ix-stage { border-right: none; margin-right: 0; border-top: 1px solid rgba(255, 255, 255, 0.1); }
  .ix-stage:nth-child(-n+2) { border-top: none; }
}
@media (max-width: 960px) {
  .ix-hero-grid, .ix-head, .ix-stack-grid { grid-template-columns: 1fr; }
  .ix-visual { max-width: 460px; }
  .ix-row { grid-template-columns: 1fr; gap: 0.7rem; }
  .ix-row .ix-arrow { display: none; }
}
@media (max-width: 640px) {
  .ix-diff-grid { grid-template-columns: 1fr; }
  .ix-diff-item { border-left: none; border-top: 1px solid var(--line); }
  .ix-diff-item:first-child { border-top: none; }
  .ix-stages { grid-template-columns: 1fr; }
  .ix-stage { border-top: 1px solid rgba(255, 255, 255, 0.1); }
  .ix-stage:first-child { border-top: none; }
}